US20130029816A1

US20130029816A1 - Health bicycle with arm exercise function

Info

Publication number: US20130029816A1
Application number: US13/640,156
Authority: US
Inventors: Hun Geun Park
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-04-08
Filing date: 2011-04-08
Publication date: 2013-01-31
Also published as: CN102284178B; CN102284178A; KR20110113120A; KR101124662B1

Abstract

Disclosed is a sporting apparatus for handstand which makes it possible to protect a user's ankle, knee and waist during an exercise by distributing the loads which focus on a user's ankle while a user's lying-down posture with his back on a backrest board is rotated to a handstand posture, so a weak and old person or a user whose bones can easily fracture can do exercise in safe. The sporting apparatus comprises a base mounted on the ground and having a handle being installed on the upper side of it; a backrest board which is rotatably hinged to the base and supports a user's back; an angle-shaped lower body mounting part which is integrally engaged to a lower side of the backrest board and on which is disposed a sitting board allowing a user to sit on it, an ankle fixing rod is formed at a lower side, and bumper part connecting the backrest board and the base while providing a bumper force.

Description

BACKGROUND OF THE INVENTION

The present invention relates to a sporting apparatus for handstand, and in particular to a sporting apparatus for handstand which makes it possible to protect a user's ankle, knee and waist during an exercise by distributing the loads which focus on a user's ankle while a user's lying-down posture with his back on a backrest board is rotated to a handstand posture, so a weak or old person or a user whose bones can easily fracture can do exercise in safe.
The sporting apparatus for handstand is widely used because bone joints can be loosened as a body is turned upside down, and a waist pain can be cured, and a blood circulation can be made smooth, so it is generally used as a therapy apparatus or a health assistant apparatus.
The above mentioned conventional sporting apparatus for handstand comprises a support part installed on the ground, a backrest board hinged to the support part, a rotation part configured to adjust the rotation angle of the backrest board and an ankle fixing apparatus installed at the backrest board and configured to fix a user's ankle.
The above described sporting apparatus for handstand is classified into a motored type featuring in that a backrest board rotates by means of the operation of a motor and a manual type featuring in that the backrest board is rotated by the weight of a user.
The conventional sporting apparatus for handstand is configured to hold and support only the user's ankles, so the loads focus only on the ankles in a handstand posture of a user. When a user handstands for a long time, the user grows sufferings causing a lot of pain. A person who suffers weak muscles and bones or an old person might have bad side effects.

SUMMARY OF THE INVENTION

Accordingly, the present invention is made to improve the problems encountered in the conventional art. It is an object of the present invention to provide a sporting apparatus for handstand which makes it possible to distribute the fixed loads, which used to focus only on the ankles, to the knees in such a way that the ankles are fixed and the knees are bent and hung while keeping a fixed posture, so a weak old person or a patient can easily do exercise without physical loads.
To achieve the above objects, there is provided a sporting apparatus comprising a base mounted on the ground and having a handle being installed on the upper side of it; a backrest board which is rotatably hinged to the base and supports a user's back; an angle-shaped lower body mounting part which is integrally engaged to a lower side of the backrest board and on which is disposed a sitting board allowing a user to sit on it, an ankle fixing rod is formed at a lower side, and bumper part connecting the backrest board and the base while providing a bumper force.
The base features in that the upper sides of the front legs and the rear legs are hinged by way of the pivot pin. The base comprises a connection part connecting the front legs and the rear legs.
The backrest board comprises an upper board and a lower board, and a frame connecting the upper board and the lower board. The frame is formed of a bolding part by which the upper board and the lower board can be foldable.
The folding part comprises a first engaging part one side of which is open, and the cross section of which is formed in a U-shape, and a second engaging part which is rotatably engaged to the first engaging part by way of a pivot pin.
The lower body mounting part comprises a support part which is integrally engaged to a lower side of the backrest part and has an ankle fixing rod, and a sitting board formed on an upper side of the support part.
A position setting part is further provided for limiting the rotation angle of a backrest board while ensuring that the min position and the max position of the backrest board can be set.
The position setting part comprises an engaging part which is attached to the rear legs and has a plurality of engaging grooves, and a stopper which is hinged to the rear legs and is caught on the engaging groove.

BRIEF DESCRIPTION OF DRAWINGS

FIG. 1 is a perspective view illustrating a sporting apparatus for handstand according to the present invention.

FIGS. 2 and 3 are side views illustrating a sporting apparatus for handstand according to the present invention.

FIGS. 4 and 5 are side views illustrating an operation of another embodiment of a sporting apparatus for handstand according to the present invention.

FIG. 6 is a perspective view illustrating a length adjusting apparatus of another embodiment of a sporting apparatus for handstand according to the present invention.

FIG. 7 is a perspective view illustrating an operation lever of a length adjusting apparatus of another embodiment of a sporting apparatus for handstand according to the present invention.

DETAILED DESCRIPTION OF THE INVENTION

The preferred embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is a perspective view illustrating a sporting apparatus for handstand according to the present invention.
FIGS. 2 and 3 are side views illustrating a sporting apparatus for handstand according to the present invention.
As shown in FIGS. 1 to 3, the sporting apparatus A for handstand according to the present invention comprises:
a base 2 which is mounted on the ground and has a handle 28 at its upper side;
a backrest board 3 which is rotatably hinged to the base 2;
a support part 44 which is integrally engaged to a lower side of the backrest board 3 and has an ankle fixing rod 445 at its lower side and a popliteal fossa engaging rod 446 at its upper side;
a lower body mounting part 4 formed of a sitting board 42 formed on an upper side of the support part 44; and
a bumper part 5 which connects the backrest board 3 and the base 2 for thereby providing a bumper force.
The base 2 is formed of a connection part 26 which is hinged by way of a pivot pin “P” after the upper sides of the front legs 22 and the upper sides of the rear legs 24 are crossed and connects the front legs 22 and the rear legs 24. When viewing from its sides, it looks like the letter “A”.
The handle 28 is formed of an arc shaped rod and is configured for a user to hold and keep balance during a rotation movement.
Both ends of the connection part 26 is hinged to the front legs 22 and the rear legs 24 by way of the pivot pin, so it can be disassembled and assembled. The connection part 26 is formed of a hinge part 263 at its intermediate potion, so it can be folded upward, which makes foldable the front legs 22 and the rear legs 24.
The backrest board 3 is made from a plate-shaped board having a certain surface area so that a user can lie down on it.
The backrest board 3 is formed of an upper board 32 and a lower board 34 which are foldable, and a frame “F” which is configured to connect the upper board 32 and the lower board 34 and has a folding part 36.
In other words, the upper board 32 and the lower board 34 can be folded with the aid of the folding part 36 of the frame F, so the whole volume can be reduced.
As shown in FIG. 1, the folding part 36 comprises a first engaging part 361 which has a U-shaped cross section as part of the upper surface of the frame “F” is cut away and open and is installed on the upper board 32, and a second engaging part 362 which is rotatably engaged to the first engaging part 361 by way of the pivot pin 363 and is installed on the lower board 34.
The upper board 32 can be folded and overlapped on the lower board 34.
The lower mounting part 4 comprises a support part 44 which is integrally engaged to the lower side of the backrest board 3 and has an ankle fixing rod 445 at a lower side and a popliteal fossa 446 at its upper side, and a sitting board 42 formed at the upper side of the support part 44.
The support part 44 is formed in an angled shape when viewing it from its side, and two pipes 441 and 442 are inserted and engaged at the vertical part of the lower side for the sake of a height adjustment, so the engaged state can be maintained by inserting a pin 444 into a plurality of pin holes 443 formed at the side surface.
The two-pipe insertion and engagement structure is also formed at one side end corresponding to the engaging portion 445 of the support part 44 and the backrest part 3, so the support part 44 can be inserted or disengaged, thus adjusting the distance.
The popliteal fossa of the user's knee is fixedly hung on the popliteal fossa engaging rod 446 after the ankles are hung on the ankle fixing rod 445 while the user is sitting on the sitting board 42, so the user can rotate while leaning on the backrest board 3 in a sitting posture.
The ankle fixing rod 445 is formed of a plurality of rollers so as to support the heels and tops of the feet. In particular, the rollers supporting the tops of the feet can be configured to be tightened or loosened with the aid of the motored means.
The popliteal fossa engaging rod 446 is provided so as to support the popliteal fossa which corresponds to a rear side of the knee when the knee is folded and is formed in a straight shape for the rollers to be symmetrical.
A fixing band 422 is formed at both side ends of the sitting board 42 for binding and fixing the thighs. The fixing band 422 is made from a flexible band and is fixed at both ends with the velcro tapes which are connected with each other.
The bumper part 5 is provided to prevent a prompt ascent and descent of the backrest board 3, one end of which being hinged to the rear legs 24 and the other end of which working as a shock absorber hinged to the backrest board 3, specifically, at a side portion of the lower board 34. Preferably, the shock absorber is filled with gas.
There is further provided a position setting part 6 limiting the rotation angle of the backrest board 3 so as to limit the min position and the max position of the backrest board 3.
The position setting part 6 comprises an engaging part 62 attached on the rear legs 24 and having a plurality of engaging grooves 622, and a stopper 65 which is hinged to the rear legs 24 and is hooked by the engaging grooves 522.
The engaging part 62 is made from a rectangular board material having a plurality of tooth-shaped engaging grooves 622 on its upper surface.
The stopper 65 is a means for limiting the downward rotation angle of the backrest board 3 and can be embodied in various types.
The stopper 65 of the present invention is preferably an upside down channel-shaped rod both the ends of which are rotatably engaged to a pair of the rear legs 24.
The backrest board 3 comes into contact with the stopper 65 being caught on the engaging groove 622, so the above-mentioned state can be fixed.
The operations of the present invention will be described as follows.
As shown in FIG. 2, with the upper board 32 and the lower board 34 belonging to the backrest board 3 being unfolded, the pivot pin 63 is fixedly inserted into the folding part 36.
Afterward, the stopper 63 is rotated downward for thereby setting an angle that the user wants.
The stopper 65 is hooked in a certain engaging groove 622 of the lower side of the engaging part 62 for the purpose of setting in consideration of the angle to be limited when the backrest board 3 is downwardly rotated.
Sitting on the sitting board 42 of the lower body mounting part 4, the user fixes the thighs, and the ankles are hung on the ankle fixing rod 445.
Holding the handle 28, the user gives a force to the backrest board 3 and rotates slowly backward.
As the user's body grows upside down, when the backrest board 3 comes into contact with the stopper 65, it no longer rotates and stops.
Since the user keeps upside down in a posture that the ankles and knees are folded, the loads used to focus on only the ankles can be distributed, thus minimizing the loads to the body along with a good exercise effect.
After the exercise is finished, the upper board 32 and the lower board 34 of the backrest board 3 are folded, and the intermediate hinge part 263 of the connection part 26 is folded.
In addition, the bumper part 5 is separated, and the front legs 22 and the rear legs 24 are folded, which results in a minimized volume for the sake of easier storage.
FIGS. 4 and 5 are side views illustrating an operation of another embodiment of a sporting apparatus for handstand according to the present invention. FIG. 6 is a perspective view illustrating a length adjusting apparatus of another embodiment of a sporting apparatus for handstand according to the present invention. FIG. 7 is a perspective view illustrating an operation lever of a length adjusting apparatus of another embodiment of a sporting apparatus for handstand according to the present invention.
As shown in FIGS. 4 to 7, another embodiment of the present invention comprises a neck towing part 7 at an upper side of the backrest board 3 for resting the neck.
The neck towing part 7 comprises a slider 72 having a certain length with an end of it being engaged with the backrest board 3, a neck rest part 73 engaged to the other end of the slider 72, a jaw strip 732 engaged at the neck rest part 73 for fixing a user's jaw and a tension part 74 which is formed of a body 742 one end of which is engaged to the backrest board 3 and a piston rod 744 engaged to the body 742 and the neck rest part 73, respectively.
The slider 72 is configured to connect the backrest part 3 and the neck rest part 73, and preferably it is equipped with an adjusting part adjusting the length for the purpose of a user's convenience when using it.
As an example of the adjusting part, a plurality of adjusting holes are formed in the slider 72, and at the neck support part is formed a slider groove into which the slider 72 is inserted, and at the slide groove is formed a ball stopper elastically supported by a spring and inserted into the adjusting hole for thereby adjusting the length.
The tension part 74 comprises a cylindrical body 742 and a piston rod 744 engaged to the body 742 for the purpose of a reciprocation inside it. A driving force helping disengage the neck rest part 73 can be generated by making the piston rod 744 receive a disengaging force with the aid of a pressurizing part in the interior of the body 742.
The pressurizing means is preferably formed of an air spring.
In addition, there is provided a length adjusting apparatus 9 for adjusting the length of the neck rest part 73.
The length adjusting apparatus 9 comprises a variable box 92 formed at the base 2 and having a multiply-staged adjusting groove 93, an operation lever 94 which is rotatably engaged to the variable box 92 and is inserted into the adjusting groove 93, a horizontal bar 95 which is integrally connected to the operation lever 94, and a link rod 96 one end of which is connected to the horizontal bar 95, and the other end of which is connected with the neck rest part 73, the link rod 96 being configured to have a certain length.
The variable box 92 is formed of a plurality of adjusting grooves 93 in a tooth shape similar with the shape of a gear transmission, and the operation lever 94 is rotatably engaged in the same.
The plurality of the adjusting grooves 93 are formed of the first to fifth stages 931˜935, each stage being configured to increase or decrease the length of the link rod 96 by 10˜15 mm.
The number of the adjusting grooves 93 and the length adjusting value of the link rod 96 can be freely adjusted depending on the size of the user.
The operation lever 94 is configured to adjust the length of the link rod 96 while changing step by step the adjusting grooves 93, and as the tension part increases or decreases depending on the change of the length of the link rod 96, the length of the neck rest part 73 can be adjusted.
The operations of another embodiment of the present invention will be described.
After the user sits on the sitting board 42 and the backrest board 3 and the user's head is leaned on the neck rest part 7, the jaw is fixed by binding the jaw strip 732.
The neck rest part 73 is raised thus towing the neck step by step by gradually adjusting depending on the user's body size among the first to fifth stages 931 to 935 by operating the operation lever 94.
As shown in FIGS. 5 and 7, when the operation lever 94 is inserted into the adjusting groove 931 of the first stage of the most lower portion, the link rod 96 is extended in max, thus raising the neck rest part 73, and the piston rod 744 of the tension part 74 receives a pushing force, so that the neck rest part 73 is disengaged in max.
The neck is gradually extended step by step by means of the disengaging operation of the neck rest part 73, so a physical therapy effect can be obtained.
On the contrary, as shown in FIGS. 4 and 7, when the operation lever 94 is inserted into the adjusting groove 935 which is the highest level among the five stages, the link rod 96 is pulled, and the neck rest part 73 is lowered, and the piston rod 744 of the tension part 74, so the neck rest part 73 moves in.
Though the present invention has been described along with the above explained embodiments, an ordinary person skilled in the art can modify and change without parting from the scope and concept of the present invention, and it is obvious that such modification and change belong to the present invention.
The present invention makes it possible to distribute the fixed loads, which were focused on only the ankles, to the knees of a user, so a weak and old person can easily do exercise without feeling a physical load.

Claims

1. A sporting apparatus for handstand, comprising:

a base 2 including a connection part 26 which is mounted on the ground and is hinged by way of a pivot pin “P” after the upper sides of a pair of front legs 22 and a pair of rear legs 24 are crossed and connects the front legs 22 and the rear legs 24, with a handle 28 being installed on the upper side of the base 2;

a backrest board 3 which is rotatably hinged to the base 2 and supports a user's back;

a lower body mounting part 4 including a support part 44 which is integrally engaged to a lower side of the backrest board 3, with an ankle fixing rod 445 being formed at its lowers side, and with a popliteal fossa engaging rod 446 being formed at its upper side, and a sitting board 42 formed on an upper side of the support part 44; and

a bumper part 5 which is configured to connect the backrest board 3 and the base 2 while generating a bumper force.

2. The apparatus of claim 1, wherein the backrest part 3 comprises an upper board 32 and a lower board 34 which are foldable, and a frame “F” connecting the upper board 32 and the lower board 34, and a folding part 36 is formed at the frame F, so the upper board 32 and the lower board 34 can be folded.

3. The apparatus of claim 2, wherein the folding part 36 comprises:

a first engaging part 361 one end of which is open, and a cross section is formed in a U-shape and which is installed at the upper board 32; and

a second engaging part 362 which is rotatably engaged to the first engaging part 361 by means of a pivot pin 363 and is installed at the lower board 34.

4. The apparatus of claim 1, further comprising:

a position setting part 6 which is configured to limit a rotation angle of the backrest part so that the lowest position and the highest position of the backrest board 3 can be limited, and the position setting part 6 comprises an engaging part 62 which is attached to the rear legs 24 and has a plurality of engaging grooves 622, and a stopper 65 which is hinged at the rear legs 24 and is caught on the engaging groove 622.

5. The apparatus of claim 1, further comprising:

a fixing band 422 which is provided at both the end portions of the sitting board 42 for thereby binding and fixing the user's thighs.

6. The apparatus of claim 1, wherein the support part 44 is formed in an angled shape when viewing it from its side, and two pipes 441 and 442 are inserted and engaged to a lower side for the sake of a height adjustment, and a pin 444 is inserted into each pin hole 443 formed at a side surface, and an insertion and engagement structure is formed at an end portion of an engaged portion 445 of the support part 44 and the backrest board 3, so the distance can be adjusted by inputting or disengaging the support part 44.

7. The apparatus of claim 1, wherein both ends of the connection part 26 are hinged to the front legs 22 and the rear legs 24 by way of a pivot pin and can be assembled or disassembled, and a hinge part 263 is formed at an intermediate portion, so it can be foldable.

8. The apparatus of claim 1, wherein said bumper part 5 is configured to prevent a prompt descent and ascent of the backrest part 3, with one end of which being hinged to the rear legs 24, and the other end of which working as a gas-filled shock absorber hinged to a side surface of the backrest part 3.

9. The apparatus of claim 1, wherein there is provided a neck towing part 7 at an upper side of the backrest board 3 for resting the neck, and the neck towing part 7 comprises a slider 72 having a certain length with an end of it being engaged with the backrest board 3, a neck rest part 73 engaged to the other end of the slider 72, a jaw strip 732 engaged at the neck rest part 73 for fixing a user's jaw and a tension part 74 which is formed of a body 742 one end of which is engaged to the backrest board 3 and a piston rod 744 engaged to the body 742 and the neck rest part 73, respectively.

10. The apparatus of claim 9, wherein the tension part 4 is formed of a body 742, and a piston rod 744 which is engaged to the body 742 and reciprocates, and the piston rod 744 generates a driving force for disengaging the neck rest part 73 with the aid of a pressurizing means disposed in the interior of the body 742.

11. The apparatus of claim 9, wherein there is provided a length adjusting apparatus 9 for adjusting the length of the neck rest part 73, and the length adjusting apparatus 9 comprises a variable box 92 formed at the base 2 and having a multiply-staged adjusting groove 93, an operation lever 94 which is rotatably engaged to the variable box 92 and is inserted into the adjusting groove 93, a horizontal bar 95 which is integrally connected to the operation lever 94, and a link rod 96 one end of which is connected to the horizontal bar 95, and the other end of which is connected with the neck rest part 73, the link rod 96 being configured to have a certain length.

12. The apparatus of claim 11, wherein the variable box 92 features in that a multiple-stage adjusting groove 93 is formed in a tooth shape, and an operation lever 94 is rotatably engaged in the interior of the variable box 92, and the multiple-stage adjusting groove 93 is configured to increase or decrease the length of the link rod 96 depending on each stage.