WO2012128156A1

WO2012128156A1 - Display device

Info

Publication number: WO2012128156A1
Application number: PCT/JP2012/056602
Authority: WO
Inventors: 柳田　洋介
Original assignee: 株式会社ニフコ
Priority date: 2011-03-22
Filing date: 2012-03-14
Publication date: 2012-09-27
Also published as: JP2012197024A

Abstract

A display device comprises: a case with an open upper side and a hollow interior; an image display member provided so as to be capable of protruding from the upper side opening of the case (the upper side opening of a cover, for example); a slide mechanism for moving the image display member vertically so as to be either housed in the hollow interior of the case or protruding from the upper side opening (the upper side opening of the cover, for example); a lid which is axially supported by the case and opens or closes the upper side opening of the case (the upper side opening of the cover, for example); and a link which joins the movable part of one end of the lid and the shaft part of the slide mechanism (the shaft part of a holder, for example).

Description

Display device

This invention relates to a display device, and in the state in which an image display member is projected, by opening the upper surface opening of the case, the inside of the case can be used as an accessory case.

2. Description of the Related Art Conventionally, a navigation device including a display provided on an upper surface of an instrument panel so as to be freely protruded is known (see, for example, paragraph number “0010” of Patent Document 1 and FIGS. 1 to 4).

Patent 3440973

However, the conventional navigation device described above has a problem in that, when a small object is placed in front of the display in a state where the display is protruded, the visual field of the display is hindered.
Therefore, the present invention has been made in view of the above-described problems of the prior art, and the object of the present invention is to allow the inside of the case to be used as an accessory case. .

The present invention has been made to achieve the above object, and the present invention is characterized by the following points.

The first is a display device.
Second, the display device has the following configuration.
(1) Case The case has an open top surface and a hollow portion inside.

(2) Image display member The image display member is provided so as to protrude from the upper surface opening of the case (for example, the upper surface opening of the cover).
(3) Slide mechanism The slide mechanism is variable between a state in which the image display member is moved up and down and stored in the hollow portion of the case, and a state in which the image display member protrudes from the upper surface opening (for example, the upper surface opening of the cover).

(4) Lid The lid is pivotally supported by the case and opens and closes the upper surface opening of the case (for example, the upper surface opening of the cover).
(5) Link The link connects the movable part on one end side of the lid and the shaft part of the slide mechanism (for example, the shaft part of the holder).
The present invention may be characterized by the following points.

First, the link is pivotally supported at one end thereof so that the shaft portion of the slide mechanism (for example, the shaft portion of the holder) is rotatable, and the other end portion is provided with a hole shape formed long in the longitudinal direction of the link. The movable part of the lid is pivotally supported so as to be linearly movable along the length direction of the hole shape.
Second, the case is provided with a support shaft that is positioned between the shaft portion of the slide mechanism (for example, the shaft portion of the holder) and the movable portion of the lid and engages with the hole shape.

Third, the image display member is moved up and down with the support shaft of the case engaged in the hole shape as a fulcrum, thereby rotating the link and opening and closing the lid.
In this case, the lid can be opened and closed in conjunction with the vertical movement of the image display member by a relatively simple mechanism using a link.
The present invention may be characterized by the following points.

First, the lid is pivotally supported by the case so as to open downward toward the hollow portion of the case.
Second, in the hollow portion of the case, in a state where the lid is lowered and opened, a space is formed with the inner peripheral surface of the case as a side surface and the upper surface portion of the lid as a bottom surface.
In this case, the lid can be opened and closed without lowering the field of view of the image display member by opening the lid downward toward the hollow portion of the case.
The present invention may be characterized by the following points.

First, the slide mechanism has the following configuration.
(1) Biasing means (eg constant load spring)
The biasing means (for example, a constant load spring) biases the image display member in a direction protruding from the upper surface opening of the case (for example, the upper surface opening of the cover).

(2) Lock mechanism The lock mechanism locks the image display member in a state of being housed in the hollow portion of the case against the urging force of the urging means (for example, a constant load spring).
(3) Damping device (for example, rotary damper)
The damping device (for example, a rotary damper) attenuates the biasing force of the biasing means (for example, a constant load spring).

Second, the image display member is projected from the upper surface opening of the case (for example, the upper surface opening of the cover) by the urging force of the urging means (for example, a constant load spring) by the unlocking operation of the lock mechanism.
In this case, the image display member can be slowly and quietly projected by the unlocking operation of the lock mechanism.
The present invention may be characterized by the following points.

That is, the hollow portion of the case has adjustment means (for example, a lid adjustment spring) that abuts against the movable portion of the lid and biases the lid upward. In this case, rattling of the lid can be prevented by using the biasing force of the adjusting means.

Since the present invention is configured as described above, the inside of the case can be used as an accessory case by opening the upper surface opening of the case with the image display member protruding.

It is a disassembled perspective view of the display apparatus which concerns on embodiment of this invention. It is a perspective view of a display apparatus. FIG. 4 is a perspective view showing a state in which the image display member protrudes and the lid is lowered and opened corresponding to FIG. 2. It is a top view of a display apparatus. It is a front view of a display apparatus. It is a side view of a display apparatus. It is a schematic sectional drawing of a display apparatus. FIG. 8 is a schematic cross-sectional view corresponding to FIG. 7 in a state where the image display member protrudes and the lid is lowered and opened.

(Display device 10)
In the figure, reference numeral 10 relates to a display device, and is attached to a vehicle interior, for example.
Although not shown, the display device 10 fixes the case 20 in an embedded manner to an instrument panel (not shown) in the passenger compartment. As shown in FIGS. 1 to 3, the case 20 includes an image display member 40 supported so as to be slidable in the vertical direction, and a lid 60 supported so as to be rotatable and opened downward. The image display member 40 and the lid 60 are linked via a link 70 so that when the image display member 40 rises and protrudes as shown in FIGS. 3 and 8, the lid 60 is lowered and opened. It is configured.

The display device 10 includes the following parts as shown in FIG.
The following (1) to (6) will be described later.
(1) Case 20
(2) Cover 30
(3) Image display member 40
(4) Slide mechanism 50
(5) Lid 60
(6) Link 70
The parts of the display device 10 are not limited to the above (1) to (6).
(Case 20)
As shown in FIG. 1, the case 20 is formed in a hollow box shape having an open top surface, and is integrally formed of a thermoplastic synthetic resin having an appropriate rigidity, for example, an ABS resin. Although not shown, the case 20 is fixed in an embedded manner to an instrument panel (not shown) in the passenger compartment.

As shown in FIG. 1, the case 20 is roughly divided into the following parts.
In addition, each part of case 20 is not limited to following (1) and (2).
(1) Hollow part 21
As shown in FIG. 1, the hollow portion 21 is surrounded by a wall at the bottom and the periphery, and the top surface is open.
(2) Support shaft 22
As shown in FIG. 1, the support shaft 22 protrudes in a cylindrical shape from the inner surface of the case 20 into the hollow portion 21. As shown in FIGS. 7 and 8, the support shaft 22 fits into a hole shape 71 of a link 70 described later, and relatively moves along the hole shape 71.
(Cover 30)
As shown in FIG. 1, the cover 30 is attached to the opened upper surface of the case 20 and closes a part thereof. Similar to the case 20, the cover 30 is integrally formed of a thermoplastic synthetic resin having an appropriate rigidity, for example, an ABS resin.

As shown in FIG. 1, the cover 30 has the following parts.
In addition, each part of the cover 30 is not limited to following (1).
(1) Opening top 31
As shown in FIG. 1, the opening upper surface 31 penetrates vertically and communicates with the hollow portion 21 of the case 20.
(Image display member 40)
The image display member 40 is supported so as to be slidable in the vertical direction with respect to the case 20 via a slide mechanism 50 described later, as shown in FIGS.

As shown in FIGS. 2 and 7, the image display member 40 is lowered and the upper end portion of the image display member 40 protrudes partly from the upper surface of the cover 30 even when stored in the hollow portion 21 of the case 20.
Although the upper end portion of the image display member 40 is partially protruded from the upper surface of the cover 30, the present invention is not limited to this, and the end surface of the upper end portion of the image display member 40 may be flush with the upper surface of the cover 30. When the end surface of the upper end portion of the image display member 40 is flush with the upper surface of the cover 30, it is positioned around the upper end portion of the image display member 40 so that the upper end portion of the image display member 40 can be pushed into the cover 30. A part of the upper surface of the cover 30 to be recessed may be recessed.

As shown in FIGS. 3 and 8, the image display member 40 projects upward through the opening upper surface 31 of the cover 30 in the raised state.
The image display member 40 may be a liquid crystal display capable of displaying an image by itself, or may be a liquid crystal screen that projects projection light.
As shown in FIG. 1, the image display member 40 includes the following units.

In addition, each part of the image display member 40 is not limited to following (1).
(1) Display surface 41
As shown in FIG. 3, the display surface 41 is positioned toward the lid 60 described later in a state where the display surface 41 protrudes upward through the opening upper surface 31 of the cover 30.
(Slide mechanism 50)
The slide mechanism 50 moves the image display member 40 up and down so that it is housed in the hollow portion of the case as shown in FIGS. 2 and 7, and the upper surface of the cover 30 as shown in FIGS. It is variable to a state protruding from the opening.

As shown in FIG. 1, the slide mechanism 50 includes the following units.
The following (1) to (5) will be described later.
(1) Holder 90
(2) Constant load spring 100 (biasing means)
(3) Lock mechanism 110
(4) Rotary damper 120 (attenuator)
(5) Slide adjustment spring 130
Each part of the slide mechanism 50 is not limited to the above (1) to (5).
(Lid 60)
As shown in FIGS. 1, 7, and 8, the lid 60 is pivotally supported by the case 20 and opens and closes the upper surface opening of the case 20, that is, the upper surface opening 31 of the cover 30. Similar to the case 20, the lid 60 is integrally formed of a thermoplastic synthetic resin having an appropriate rigidity, for example, an ABS resin.

As shown in FIG. 1, the lid 60 has the following parts.
In addition, each part of the lid 60 is not limited to the following (1) and (2).
(1) Lid shaft 61
As shown in FIGS. 1, 7, and 8, the lid shaft 61 is integrally provided on the lower surface of one end portion of the lid 60 on the image display member 40 side, and is fixed in the hollow portion 21 of the case 20. .

(2) Movable part 62
As shown in FIGS. 1, 7 and 8, the movable portion 62 is located at the other end of the lid 60 on the side away from the image display member 40, and is formed separately from the lid 60 and formed in a cylindrical shape. Has been. The movable portion 62 is pivotally supported so as to be linearly movable along a hole shape 71 of the link 70 described later.
(Link 70)
As shown in FIGS. 1, 7, and 8, the link 70 connects the movable portion 62 of the lid 60 and the slide mechanism 50, that is, the shaft portion 91 of the holder 90 described later. Like the case 20, the link 70 is integrally formed of a thermoplastic synthetic resin having an appropriate rigidity, for example, a POM (polyacetal) resin.

As shown in FIG. 1, the link 70 has the following parts.
Each part of the link 70 is not limited to the following (1) and (2).
(1) Hole shape 71
As shown in FIGS. 1, 7 and 8, the hole shape 71 extends from one end of the link 70 to the middle of its length, and is formed in a long oval shape in the longitudinal direction.

The movable portion 62 of the lid 60 is fitted into the hole shape 71, and the movable portion 62 of the lid 60 is pivotally supported so as to be linearly movable along the length direction of the hole shape 71.
The hole shape 71 is fitted with a support shaft 22 protruding in a cylindrical shape from the inner surface of the case 20 into the hollow portion 21, and the link 70 is rotatably supported with respect to the case 20 with the support shaft 22 as a fulcrum. Is done.
Both the movable part 62 of the lid 60 and the support shaft 22 of the case 20 fit into the hole shape 71, and the support shaft 22 of the case 20 can be rotated in a shaft hole 72 located at one end of a link 70 described later. It is positioned between the shaft portion 91 of the holder 90 that is pivotally fixed to the moving portion 62 of the lid 60.

(2) Shaft hole 72
As shown in FIGS. 1, 7, and 8, the shaft hole 72 is located at the other end portion in the longitudinal direction of the link 70 and penetrates in a circular shape in the thickness direction. In the shaft hole 72, a shaft portion 91 of a holder 90 to be described later is pivotally supported.
(Holder 90)
As shown in FIGS. 1, 7 and 8, the holder 90 supports the lower side of the image display member 40 and is supported in the hollow portion 21 of the case 20 so as to be slidable in the vertical direction. The holder 90 is integrally formed of a thermoplastic synthetic resin having an appropriate rigidity, for example, a POM (polyacetal) resin.

As shown in FIG. 1, the holder 90 has the following parts.
Each part of the holder 90 is not limited to the following (1).
(1) Shaft 91
As shown in FIGS. 1, 7, and 8, the shaft portion 91 is integrally formed on the side surface of the holder 90 on the lid 60 side, and is formed in a cylindrical shape. The shaft portion 91 is fixed to the shaft hole 72 of the link 70.
(Constant load spring 100 (biasing means))
As shown in FIGS. 1, 7, and 8, the constant load spring 100 urges the holder 90 in the upward direction in the hollow portion 21 of the case 20, and constitutes an urging means. The constant load spring 100 raises the holder 90 to cause the image display member 40 held by the holder 90 to protrude from the opening upper surface 31 of the cover 30.

Although the urging means is composed of the constant load spring 100, it is not limited to this, and it may be composed of a coil spring or a simple leaf spring.
(Lock mechanism 110)
As shown in FIGS. 1, 7, and 8, the lock mechanism 110 locks the holder 90 in a lowered position in the hollow portion 21 of the case 20 against the spring force of the constant load spring 100. The lock mechanism 110 locks the holder 90 in the lowered position so that the image display member 40 held by the holder 90 is housed in the hollow portion 21 of the case 20 as shown in FIGS. To lock.

In the locked state of the lock mechanism 110, the upper end portion of the image display member 40 is partially protruded from the upper surface of the cover 30.
In the locked state of the lock mechanism 110, the upper end portion of the image display member 40 is partially protruded from the upper surface of the cover 30. However, the present invention is not limited to this, and the end surface of the upper end portion of the image display member 40 is It may be flush with the top surface. When the end surface of the upper end portion of the image display member 40 is flush with the upper surface of the cover 30, it is positioned around the upper end portion of the image display member 40 so that the upper end portion of the image display member 40 can be pushed into the cover 30. A part of the upper surface of the cover 30 to be recessed may be recessed.

As shown in FIGS. 1, 7 and 8, the lock mechanism 110 is roughly composed of the following parts.
The parts of the lock mechanism 110 are not limited to the following (1) and (2).
(1) Latch 111
As shown in FIGS. 1, 7 and 8, the latch 111 is fixed to the bottom side of the hollow portion 21 of the case 20 and engages with a strike 112 described later.

(2) Strike 112
As shown in FIGS. 1, 7, and 8, the strike 112 is located below the holder 90, moves up and down in the hollow portion 21 of the case 20 integrally with the holder 90, and engages with the latch 111 in the lowered position. Match.
That is, as shown in FIG. 7, when the holder 90 is lowered, the strike 112 is locked while being held in the latch 111. For this reason, the holder 90 is locked in the lowered position against the spring force of the constant load spring 100. At this time, the image display member 40 held by the holder 90 is stationary while being accommodated in the hollow portion 21 of the case 20.

When the upper end portion of the image display member 40 that partially protrudes from the upper surface of the cover 30 is pushed up into the hollow portion 21 of the case 20, the holder 90 is further lowered. At this time, by pushing the latch 111 by the strike 112, the locked state of the latch 111 is released and the strike 112 is released. For this reason, the holder 90 is raised by the spring force of the constant load spring 100 as shown in FIG. At this time, the image display member 40 held by the holder 90 protrudes from the opening upper surface 31 of the cover 30.

On the other hand, when the protruding image display member 40 is pushed down into the hollow portion 21 of the case 20, the holder 90 is lowered as shown in FIG. When the holder 90 is lowered, the strike 112 and the latch 111 are engaged again, and the latch 111 is locked again with the strike 112 being held.
(Rotating damper 120 (attenuator))
As shown in FIG. 1, the rotary damper 120 attenuates the urging force of the constant load spring 100 and constitutes a damping device. The rotary damper 120 uses oil and is fixed to the holder 90. Although not shown, the rotary damper 120 meshes with a rack formed in the hollow portion 21 of the case 20 and is rotated when the holder 90 is raised and lowered, so that the urging force of the constant load spring 100 is attenuated.

In addition, although the rotary damper 120 using oil was illustrated as an attenuation device, it is not limited to this, You may use a piston and cylinder type damper.
(Slide adjustment spring 130)
As shown in FIGS. 1, 7, and 8, the slide adjustment spring 130 fits into the shaft portion 91 of the holder 90 and prevents rattling with the link 70. The slide adjustment spring 130 uses a coil spring, and has a smaller spring force than the constant load spring 100.

In addition, although the coil spring was illustrated as the slide adjustment spring 130, it is not limited to this, You may use a leaf | plate spring.
(Lid adjustment spring 140 (adjustment means))
On the other hand, as shown in FIGS. 1, 7, and 8, the hollow portion 21 of the case 20 is in contact with the movable portion 62 of the lid 60 and urges the lid 60 toward the cover 30 side. 140. The lid adjustment spring 140 uses a coil spring and, like the slide adjustment spring 130, has a smaller spring force than the constant load spring 100, and constitutes adjustment means.

In addition, although the lid adjustment spring 140 using a coil spring was illustrated as an adjustment means, it is not limited to this, You may use a leaf | plate spring.
(How to use the display device 10)
Next, a method of using the display device 10 having the above configuration will be described.
As shown in FIG. 7, when the image display member 40 is housed in the hollow portion 21 of the case 20, when the upper end portion of the image display member 40 partially protruding from the upper surface of the cover 30 is pushed into the case 20, The lock mechanism 110 is released.

When the lock mechanism 110 is released, the image display member 40 is raised integrally with the holder 90 by the spring force of the constant load spring 100 and protrudes from the opening upper surface 31 of the cover 30 as shown in FIG.
At this time, the damping force of the rotary damper 120 works, and the image display member 40 rises slowly and quietly integrally with the holder 90.
On the other hand, as the holder 90 rises, the shaft portion 91 also rises as shown in FIG. For this reason, the shaft hole 72 positioned at one end of the link 70 to which the shaft portion 91 is pivoted rises, and the link 70 rotates around the support shaft 22 of the case 20 fitted in the hole shape 71. For this reason, the other end portion of the link 70 is lowered, and the movable portion 62 of the lid 60 fitted in the hole shape 71 is lowered and approaches the support shaft 22 of the case 20. When the movable portion 62 of the lid 60 is lowered, the lid 60 is rotated downward about the lid shaft 61 and opens so as to descend within the hollow portion 21 of the case 20.

When the lid 60 is lowered and opened, a space 150 having the inner peripheral surface of the case 20 as a side surface and the upper surface portion of the lid 60 as a bottom surface is formed.
On the other hand, as shown in FIG. 8, in order to lower the protruding image display member 40 into the case 20, the image display member 40 is pushed down into the case 20 as shown in FIG. good.
When the image display member 40 is pushed down, the image display member 40 is lowered integrally with the holder 90 as shown in FIG. In a state where the image display member 40 is housed in the hollow portion 21 of the case 20, the lock mechanism 110 is activated and is locked again.

On the other hand, as the holder 90 is lowered, the shaft portion 91 is also lowered as shown in FIG. For this reason, the shaft hole 72 positioned at one end of the link 70 to which the shaft portion 91 is fixed is lowered, and the link 70 rotates around the support shaft 22 of the case 20 fitted in the hole shape 71. For this reason, the other end portion of the link 70 is raised, and the movable portion 62 of the lid 60 fitted in the hole shape 71 is raised and separated from the support shaft 22 of the case 20. When the movable part 62 of the lid 60 rises, the lid 60 rotates upward about the lid shaft 61 and closes the opening upper surface 31 of the cover 30.

The entire contents of the specification, claims, drawings, and abstract of Japanese Patent Application No. 2011-062336 filed on March 22, 2011 are incorporated herein as the disclosure of the specification of the present invention. Is.

Claims

In the display device,
A case having an upper surface opened and a hollow portion inside;
An image display member provided so as to be freely protruded from an upper surface opening of the case;
A slide mechanism capable of changing between a state in which the image display member is moved up and down to be housed in a hollow portion of the case and a state in which the image display member protrudes from the upper surface opening;
A lid that is pivotally supported by the case and opens and closes an upper surface opening of the case;
A display device, comprising: a link connecting a movable portion on one end side of the lid and a shaft portion of the slide mechanism.
The link is
The shaft portion of the slide mechanism is pivotally supported at one end portion thereof,
The other end is provided with a hole shape formed long in the longitudinal direction of the link,
The movable part of the lid is pivotally supported so as to be linearly movable along the length direction of the hole shape,
In the case,
A support shaft is provided between the shaft portion of the slide mechanism and the movable portion of the lid, and is engaged with the hole shape.
2. The lid is opened and closed by rotating the image display member up and down with the support shaft of the case engaged with the hole shape as a fulcrum, and rotating the link. Display device.
The lid is
It is pivotally supported by the case so as to descend and open toward the hollow part of the case,
In the hollow part of the case,
In the state where the lid is lowered and opened,
The inner peripheral surface of the case is a side surface,
The display device according to claim 1, wherein a space having a bottom surface of an upper surface portion of the lid is formed.
In the slide mechanism,
Biasing means for biasing the image display member in a direction protruding from the upper surface opening of the case;
A locking mechanism that locks the image display member in a state of being housed in the hollow portion of the case against the urging force of the urging means;
A damping device for damping the biasing force of the biasing means,
4. The image display member according to claim 1, wherein the image display member is protruded from the upper surface opening of the case by an urging force of the urging means by an unlocking operation of the lock mechanism. The display device as described.
In the hollow part of the case,
The display device according to any one of claims 1 to 4, further comprising an adjusting unit that abuts on the movable portion of the lid and biases the lid upward.