CN219480642U - Multifunctional exercise assisting equipment for wheelchair - Google Patents

Abstract

The utility model discloses a multifunctional auxiliary exercise device for a wheelchair, which comprises two auxiliary devices and a conversion handle which are connected with each other; the switching handle comprises a first operation handle and a second operation handle which can be spliced or separated for use, and the other ends of the two operation handles are respectively connected with an auxiliary device which can rotate relatively; the auxiliary device comprises an auxiliary device shell, an auxiliary device front plate, an auxiliary device rear plate and an auxiliary device rotating shaft, wherein the auxiliary device front plate and the auxiliary device rear plate are arranged on the outer end surfaces of two sides of the auxiliary device shell; the auxiliary device comprises an auxiliary device shell, an operating handle, a power arm rod, a switching handle, a pull-down exercise assembly and an auxiliary device back plate. The multifunctional auxiliary exercise equipment for the wheelchair provided by the utility model has multiple double-hand rehabilitation exercise functions, and the functions can be conveniently switched so as to fully improve the rehabilitation exercise effect.

Description

Multifunctional exercise assisting equipment for wheelchair

Technical Field

The utility model relates to the technical field of exercise equipment, in particular to multifunctional auxiliary exercise equipment for a wheelchair.

Background

The wheelchair not only can be used as a tool for replacing walking and caring family members of wounded, patients, disabled people and other inconvenient people, but also has the function of double-hand rehabilitation exercise. At present, the rehabilitation exercise function of the hands of the arms on the wheelchair is single, so that rehabilitation exercise can be performed in the vertical, horizontal and inclined directions, and the limited space of the wheelchair is fully utilized, a multifunctional exercise mode switching handle is necessarily designed, the exercise mode switching handle can be used in the vertical and horizontal directions and in the inclined directions, and meanwhile, the rehabilitation exercise function of multiple hands is set on the multifunctional exercise mode switching handle, and the functions can be conveniently switched to improve the rehabilitation exercise effect.

Disclosure of Invention

In view of the above, the present utility model proposes a multifunctional exercise assisting apparatus for a wheelchair.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a multifunctional exercise assisting apparatus for a wheelchair includes two assistants and a switching handle connected to each other; the switching handle comprises a first operation handle and a second operation handle which can be spliced or separated for use, and the other ends of the two operation handles are respectively connected with an auxiliary device which can rotate relatively; the auxiliary device comprises an auxiliary device shell, an auxiliary device front plate, an auxiliary device rear plate and an auxiliary device rotating shaft, wherein the auxiliary device front plate and the auxiliary device rear plate are arranged on the outer end surfaces of two sides of the auxiliary device shell;

the auxiliary device shell is fixed through an auxiliary device shell supporting frame;

the auxiliary device rotating shaft is sleeved with a force arm rod which extends out of the auxiliary device shell and is connected with the operating handle, the force arm rod is connected with the conversion handle, and one end of the force arm rod, which is positioned in the auxiliary device shell, is connected with a buckling end face; a pull-down exercise assembly is arranged between the force arm rod and the auxiliary device rear plate; the pull-down exercise assembly comprises a first button which is arranged on the front plate of the auxiliary device in a telescopic way and a first spring which is sleeved on the rotating shaft of the auxiliary device, one end of the first spring is arranged on the upper part of the other end of the first convex disc in a penetrating way, the first convex disc is arranged on the rotating shaft of the auxiliary device in a rotating way, a first force transmission plate matched with the force arm rod is connected with the upper part of one end of the first convex disc in a pin joint way, and a first return spring is connected between the first convex disc and the first force transmission plate; the first button is provided with a jacking block, the jacking block is formed by integrating a cylindrical jacking block and a conical jacking block, the conical surface and the cylindrical surface of the jacking block are tangent to the first force transmission plate along with the movement of the first button, and the buckled end face of the first force transmission plate and the buckled end face of the force arm rod are intermittently controlled to be buckled with each other.

It is further characterized by:

the first operating handle or the second operating handle comprises a vertical adjusting rod, a horizontal adjusting rod, a vertical rotating sleeve, a horizontal rotating sleeve, a right-angle connecting sleeve, an exercise handle, an inward-folding and outward-unfolding handle, an exercise handle mode converting sleeve and a handle coupler; the vertical rotating sleeves of the first operating handle or the second operating handle are respectively connected with the arm levers of the two auxiliary devices in a rotating way, one ends of vertical adjusting rods are fixedly arranged in the vertical rotating sleeves in a penetrating way, the other ends of the vertical adjusting rods are fixedly arranged in the horizontal rotating sleeves in a penetrating way, the upper ends of the horizontal rotating sleeves are fixedly provided with horizontal adjusting rods in a penetrating way, the other ends of the horizontal adjusting rods are fixedly arranged in one port of the right-angle connecting sleeve, the other ports of the right-angle connecting sleeve are fixedly provided with exercise handle end parts in a penetrating way, the exercise handles are connected with inner folding and outer unfolding handles in a pin way, handle grooves for the inner folding and outer unfolding handles to rotate are formed in the bottom ends of the exercise handles in a penetrating way, the inner folding and outer unfolding handles are connected with exercise handle mode switching sleeves in a threaded way, a containing distance is reserved between the exercise handle mode switching sleeves and the joint end faces of the exercise handles, the inner folding and the other end faces of the first operating handles and the handle end faces of the second operating handles are connected with a handle coupling in a threaded way; the handle coupling of first operating handle and second operating handle is interior joint screw thread connection has a handle to unite the bolt, the keyway has been seted up to one side tip of handle unite the bolt, threaded connection has holding screw on the adduction abduction handle of first operating handle and holding screw stretches into in the keyway.

A plurality of adjusting holes are formed in the vertical adjusting rod of the first operating handle or the second operating handle, a self-locking quick-release pin is arranged on the vertical rotating sleeve in a penetrating manner, and the self-locking quick-release pin is arranged in one adjusting hole of the vertical adjusting rod in a penetrating manner; the horizontal adjusting rod of the first operating handle or the second operating handle is provided with a plurality of adjusting holes, the horizontal rotating sleeve is provided with a self-locking quick-release pin in a penetrating way, and the self-locking quick-release pin is arranged in one adjusting hole of the horizontal adjusting rod.

The pull-down exercise assembly further comprises a first adjusting knob penetrating through the auxiliary device shell, one end of the first adjusting knob extending into the auxiliary device shell is sleeved on the first spring, threads of the first adjusting knob penetrate through a first adjusting column, and the first adjusting column is rotationally arranged between the auxiliary device front plate and the auxiliary device rear plate.

The outer end face of the auxiliary device rotating shaft is provided with a gear, and the gear is attached to the outer end face of the auxiliary device rear plate; the front plate of the auxiliary device is provided with a telescopic horizontal bar button in a penetrating way, the horizontal bar button can extend into the arc-shaped groove and is attached to the lower part of the force arm lever, and the horizontal bar button can retract to a position which does not reach the arc-shaped groove; the bottom end mounting of auxiliary ware casing is equipped with auxiliary ware casing support frame, auxiliary ware casing support frame links to each other with horizontal vertical conversion seat pin.

An upward pushing exercise assembly is arranged between the other side of the force arm rod and the front plate of the auxiliary device and comprises a second spring, a second adjusting knob, a second adjusting column, a second return spring, a second convex disc, a second force transmission plate and an upward pushing button; the second spring is sleeved on the other end of the rotating shaft of the auxiliary device, one end of the second spring is arranged on the inner end of the second adjusting knob in a penetrating manner, the other end of the second spring is arranged on the upper part of the other end of the second convex disc in a penetrating manner, and the second convex disc is arranged on the rotating shaft of the auxiliary device in a rotating manner; the second adjusting column is rotatably arranged between the front plate of the auxiliary device and the rear plate of the auxiliary device, and is penetrated and connected with a second adjusting knob in a threaded manner; a second force transmission plate is connected with the lower part of one end of the second convex disc in a pin joint manner; the two ends of the second return spring are respectively penetrated through the lower part of one end of the second convex disc and the lower part of one end of the second force transmission plate; the push-up button is arranged on the front plate of the auxiliary device in a telescopic penetrating mode, the push-up button is provided with a jacking block, the jacking block is integrally formed by a cylindrical jacking block and a conical jacking block, when the push-up button is in a natural extending state, a conical surface of the jacking block is tangent to the second force transmission plate, and the second return spring is in a natural state, when the push-up button stretches into the rear plate of the auxiliary device, a cylindrical surface of the jacking block is in tangent contact with the second force transmission plate, and the second return spring is in a stretching state, and at the moment, a buckled end face of the second force transmission plate and a buckled end face of the force arm rod are buckled with each other.

The horizontal adjusting rods of the first operating handle and the second operating handle are respectively sleeved with a left-right rotary sleeve ring, the left-right rotary sleeve rings of the first operating handle and the second operating handle are respectively provided with a quick-release pin in a penetrating manner, and the quick-release pins are respectively penetrated into an adjusting hole of the horizontal adjusting rod; the lower ends of the left-handed lantern rings of the first operating handle and the second operating handle are respectively buckled with a diagonal elastic band.

The auxiliary device shell is provided with a first groove for the first adjusting knob to penetrate and extend out; the auxiliary device shell is provided with a second groove for the second adjusting column to penetrate and extend out.

The inner end of the front plate of the auxiliary device is fixedly provided with a button front bracket corresponding to the penetrating positions of the first button, the push-up button and the horizontal bar button; the outer circumferential surfaces of the first button, the push-up button and the horizontal bar button, which are close to the front plate direction of the auxiliary device, are respectively provided with shaft end check rings, and when the first button, the push-up button and the horizontal bar button are in an extending state, all the shaft end check rings are limited and blocked on the front plate of the auxiliary device; the positioning springs are fixedly arranged in the front button brackets, a first limiting groove and a second limiting groove are formed in the outer circumferential surfaces, close to the front plate direction of the auxiliary device, of the first button, the push-up button and the horizontal bar button, when the first button, the push-up button and the horizontal bar button are in an extending state, all the positioning springs are clamped in the first limiting groove, and when the first button, the push-up button and the horizontal bar button extend into the rear plate of the auxiliary device, the positioning springs are clamped in the second limiting groove; the auxiliary device rear plate is fixedly provided with a button rear bracket corresponding to the penetrating positions of the first button, the push-up button and the horizontal bar button.

A torsion spring gasket is arranged between the rear plate of the auxiliary device and the first convex disc; a torsion spring gasket is arranged between the front plate of the auxiliary device and the second convex disc.

Compared with the prior art, the utility model has the beneficial effects that: the multifunctional auxiliary exercise equipment for the wheelchair provided by the utility model has 6 double-hand rehabilitation exercise functions:

(1) The two-hand rehabilitation exercise function in the vertical direction comprises a push-up function, a first function and a horizontal bar function;

(2) The horizontal double-hand rehabilitation exercise function comprises an adduction function and an abduction function;

(3) The function of double-hand rehabilitation exercise in the inclined direction comprises a diagonal function;

the rehabilitation exercise functions of the 6 hands can be conveniently switched to fully improve the rehabilitation exercise effect; the exercise function conversion auxiliary device can be used as body-building equipment, rehabilitation equipment and the like.

Drawings

FIG. 1 is a schematic overall perspective view of the present utility model;

FIG. 2 is an overall top view of the present utility model;

FIG. 3 is a cross-sectional view taken along line A-A in FIG. 2;

FIG. 4 is a schematic view of the overall abduction exercise mode of the present utility model;

FIG. 5 is a schematic view of the overall adduction exercise mode of the present utility model;

FIG. 6 is a schematic perspective view of an accessory according to the present utility model;

FIG. 7 is a schematic perspective view of an assist device according to the present utility model;

FIG. 8 is a schematic view showing the internal perspective structure of the auxiliary device of the present utility model;

FIG. 9 is a schematic view showing the internal perspective structure of the auxiliary device of the present utility model;

FIG. 10 is a schematic view showing the internal perspective structure of the auxiliary device of the present utility model;

FIG. 11 is a schematic view showing the internal perspective structure of the auxiliary device of the present utility model;

FIG. 12 is a sectional view showing the initial state of the arm lever when the first button is pressed by the aid of the present utility model;

FIG. 13 is a first state cross-sectional view of the lever arm when the first button is depressed by the aid of the present utility model;

FIG. 14 is a schematic view showing the overall structure of the lever arm in a first state when the first button is pressed by the aid of the present utility model;

FIG. 15 is a schematic view showing the overall internal structure of the arm lever in a first state when the first button is pressed by the aid of the present utility model;

FIG. 16 is a sectional view showing the initial state of the arm lever when the push-up button is pressed by the aid of the present utility model;

FIG. 17 is a schematic view showing the whole structure of the initial state of the arm lever when the push-up button is pressed by the aid of the utility model;

FIG. 18 is a sectional view showing a push-up state of the arm lever when the push-up button is pressed by the assist device of the present utility model;

fig. 19 is a schematic view showing the whole structure of the push-up state of the arm lever when the push-up button is pressed by the aid of the present utility model.

In the figure: 1. an auxiliary front plate; 2. an auxiliary rear plate; 3. an auxiliary device rotating shaft; 4. an auxiliary device housing; 5. an auxiliary device shell support frame; 6. a horizontal-vertical conversion seat; 7. a horizontal bar button; 8. a gear; 9. a first spring; 10. a first adjustment knob; 11. a first adjustment column; 12. a first return spring; 13. a first cam; 14. a first force transfer plate; 15. a first button; 16. a force arm lever; 17. a second spring; 18. a second adjustment knob; 19. a second adjustment column; 20. a second return spring; 21. a second cam; 22. a second force transfer plate; 23. pushing up the button; 24. a button front support; 25. a button rear bracket; 26. a shaft end retainer ring; 27. a positioning spring; 28. a first limit groove; 29. the second limit groove; 30. a torsion spring spacer; 31. a first operating handle; 32. a second operating handle; 33. a vertical adjusting rod; 34. a horizontal adjusting rod; 35. a vertical rotating sleeve; 36. a horizontal rotating sleeve; 37. a right-angle connecting sleeve; 38. exercise handles; 39. an inner folding and outer unfolding handle; 40. exercise handle mode conversion sleeve; 41. a handle coupling; 42. a handle joint bolt; 43. a set screw; 44. a left-right handed collar; 45. a diagonal elastic band.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" means that the azimuth or positional relationship indicated by two "front end", "rear end", "head", "tail", etc. is based on the azimuth or positional relationship shown in the drawings, and is merely for convenience of description and to simplify the description, and does not indicate or imply that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1 to 19, the multifunctional exercise assisting apparatus for a wheelchair of the present embodiment includes two assistants and a switching handle connected to each other;

the conversion handle comprises a first operation handle 31 and a second operation handle 32 which can be spliced or separated for use, and the other ends of the two operation handles are respectively connected with an auxiliary device which can rotate relatively;

the auxiliary comprises an auxiliary shell 4, an auxiliary front plate 1 and an auxiliary rear plate 2 which are arranged on the outer end surfaces of two sides of the auxiliary shell 4, and an auxiliary rotating shaft 3 which is arranged between the auxiliary front plate 1 and the auxiliary rear plate 2;

the auxiliary device rotating shaft 3 is sleeved with a force arm rod 16 which extends out of the auxiliary device shell 4 and is connected with an operation handle, the force arm rod 16 is connected with a conversion handle, and one end of the force arm rod 16 positioned in the auxiliary device shell 4 is connected with a buckling end face;

a pull-down exercise assembly is arranged between the arm lever 16 and the auxiliary rear plate 2;

the pull-down exercise assembly comprises a first spring 9, a first adjustment knob 10, a first adjustment post 11, a first return spring 12, a first cam 13, a first force transfer plate 14 and a first button 15; the first spring 9 is sleeved on one side end of the auxiliary rotating shaft 3, one end of the first spring 9 is penetrated on the inner end of the first adjusting knob 10, the other end of the first spring 9 is penetrated on the lower part of the other end of the first convex disc 13, and the first convex disc 13 is rotatably arranged on the auxiliary rotating shaft 3; the first adjusting column 11 is rotatably arranged between the front plate 1 of the auxiliary device and the rear plate 2 of the auxiliary device, and the first adjusting column 11 is penetrated and connected with a first adjusting knob 10 in a threaded manner; a first force transmission plate 14 is pin-connected to the upper part of one end of the first convex disc 13; the two ends of the first return spring 12 are respectively penetrated through the upper part of one end of the first convex disc 13 and the upper part of one end of the first force transmission plate 14; the first button 15 is telescopically arranged on the front plate 1 of the auxiliary device in a penetrating way, the first button 15 is provided with a jacking block, the jacking block is integrally formed by a cylindrical jacking block and a conical jacking block, when the first button 15 is in an extending state, the conical surface of the jacking block is tangent to the first force transmission plate 14, and the first return spring 12 is in a natural state.

An upward pushing exercise component is arranged between the other side of the arm lever 16 and the front plate 1 of the auxiliary device, and the downward pulling exercise component and the upward pushing exercise component are both positioned in the auxiliary device shell 4; a telescopic horizontal bar button 7 is arranged on the front plate 1 of the auxiliary device in a penetrating way, the horizontal bar button 7 can extend into the arc-shaped groove and is attached to the lower part of the force arm lever 16, and the horizontal bar button 7 can retract to a position which does not reach the arc-shaped groove; an auxiliary device shell supporting frame 5 is fixedly arranged at the bottom end of the auxiliary device shell 4, and the auxiliary device shell supporting frame 5 is connected with a horizontal and vertical conversion seat 6 through a pin joint pin; when the auxiliary housing support 5 of the two auxiliary devices is rotated 90 degrees along the pin joint shaft, the gears 8 of the two auxiliary devices are engaged with each other.

The switching handle is formed by mutually splicing and connecting a first operating handle 31 and a second operating handle 32.

The first operating handle 31 or the second operating handle 32 each includes a vertical adjusting lever 33, a horizontal adjusting lever 34, a vertical rotating sleeve 35, a horizontal rotating sleeve 36, a right angle connecting sleeve 37, an exercise handle 38, an inner folding and outer unfolding handle 39, an exercise handle mode converting sleeve 40, and a handle coupler 41; the vertical rotating sleeves 35 of the first operating handle 31 or the second operating handle 32 are respectively and rotatably connected with the force arm rods (16) of the two auxiliary devices, one ends of the vertical adjusting rods 33 are fixedly arranged in the vertical rotating sleeves 35 in a penetrating manner, the other ends of the vertical adjusting rods 33 are fixedly arranged in the horizontal rotating sleeves 36 in a penetrating manner, the upper ends of the horizontal rotating sleeves 36 are fixedly provided with the horizontal adjusting rods 34 in a penetrating manner, the other ends of the horizontal adjusting rods 34 are fixedly arranged in one port of the right-angle connecting sleeve 37, the other ports of the right-angle connecting sleeve 37 are fixedly provided with the end parts of the exercise handles 38 in a penetrating manner, the exercise handles 38 are respectively connected with an inner extending handle 39 in a pin manner, the bottom ends of the exercise handles 38 are respectively provided with handle grooves for the inner extending handles 39 to rotate, the inner extending handles 39 are respectively connected with the exercise handle mode converting sleeves 40 in a threaded manner, the joint end faces of the exercise handle mode converting sleeves 40 are respectively, when the exercise handle mode converting sleeves 40 are in a threaded manner and are attached to the exercise handles 38, the inner extending handles 39 are locked with the exercise handles 38 in the horizontal direction, the other ends of the inner extending handles 31 or the second operating handles 32 are connected with the inner extending handles 41 in a threaded manner, and the inner extending handles 41 of the inner extending handles 32 are respectively, and the inner connecting shafts 41 are respectively connected with the inner connecting shafts of the inner extending handles 41 and outer handles 41 respectively; a handle joint bolt 42 is connected with the handle coupler 41 of the first operating handle 31 and the second operating handle 32 in a threaded manner, a key groove is formed in one side end portion of the handle joint bolt 42, a set screw 43 is connected with the inner folding and outer unfolding handle 39 of the first operating handle 31 in a threaded manner, and the set screw 43 stretches into the key groove.

The vertical adjusting rod 33 of the first operating handle 31 or the second operating handle 32 is provided with a plurality of adjusting holes, the vertical rotating sleeve 35 is provided with a self-locking quick-release pin in a penetrating way, the self-locking quick-release pin is arranged in one adjusting hole of the vertical adjusting rod 33 in a penetrating way, and different arm lengths can be formed by inserting different hole positions; the horizontal adjusting rod 34 of the first operating handle 31 or the second operating handle 32 is provided with a plurality of adjusting holes, the horizontal rotating sleeve 36 is provided with a self-locking quick-release pin in a penetrating way, and the self-locking quick-release pin is inserted into one adjusting hole of the horizontal adjusting rod 34 to form different arm lengths by inserting into different holes.

The horizontal adjusting rods 34 of the first operating handle 31 and the second operating handle 32 are respectively sleeved with a left-right rotary sleeve ring 44, quick release pins are respectively arranged on the left-right rotary sleeve rings 44 of the first operating handle 31 and the second operating handle 32 in a penetrating manner, and the quick release pins are respectively arranged in an adjusting hole of the horizontal adjusting rod 34 in a penetrating manner, so that different arm lengths can be formed by inserting different hole sites; the lower ends of the left-handed and right-handed collars 44 of the first operating handle 31 and the second operating handle 32 are respectively buckled with an elastic component, and the elastic components are diagonal elastic bands 45.

The handle joint bolt 42 can be moved left (locked) or right (unlocked) by turning the handle coupler 41; when the handle joint bolt 42 moves left (is locked), as shown in fig. 1-3, the first operation handle 31 and the second operation handle 32 are spliced and connected with each other to form a conversion handle, and at this time, the two-hand rehabilitation exercise function capable of being performed in the vertical direction comprises a push-up function, a first function and a horizontal bar function; as shown in fig. 4 to 5, when the handle joint bolt 42 is moved right (loosened), the two assistants are rotated 90 degrees to the horizontal direction, the gears 8 of the assistants are engaged with each other, the two vertical rotating sleeves 35 are rotated 90 degrees, and the two adduction and abduction handles 39 are rotated 90 degrees, the first operating handle 31 and the second operating handle 32 are not spliced together any more and are separated, and at this time, the two-hand rehabilitation exercise function in the horizontal direction including adduction function and abduction function can be performed; the diagonal function is established under the condition of horizontal bar function, the diagonal elastic band 45 can be buckled on the left-right rotary sleeve ring 44, a user can disassemble and assemble the diagonal elastic band by himself, in the diagonal mode, the diagonal elastic band 45 can be pulled in a telescopic mode, and the user can realize rehabilitation exercise in an inclined direction.

The push-up exercise assembly comprises a second spring 17, a second adjustment knob 18, a second adjustment post 19, a second return spring 20, a second cam 21, a second force transfer plate 22 and a push-up button 23; the second spring 17 is sleeved on the other end of the auxiliary rotating shaft 3, one end of the second spring 17 is penetrated on the inner end of the second adjusting knob 18, the other end of the second spring 17 is penetrated on the upper part of the other end of the second convex disc 21, and the second convex disc 21 is rotatably arranged on the auxiliary rotating shaft 3; the second adjusting column 19 is rotatably arranged between the front plate 1 of the auxiliary device and the rear plate 2 of the auxiliary device, and the second adjusting column 19 is penetrated and connected with a second adjusting knob 18 in a threaded manner; a second force transmission plate 22 is pin-connected to the lower part of one end of the second convex disc 21; the two ends of the second return spring 20 are respectively penetrated through the lower part of one end of the second convex disc 21 and the lower part of one end of the second force transmission plate 22; the push-up button 23 is telescopically arranged on the front plate 1 of the auxiliary device in a penetrating way, the push-up button 23 is provided with a jacking block, the jacking block is integrally formed by a cylindrical jacking block and a conical jacking block, when the push-up button 23 is in a natural extending state, the conical surface of the jacking block is tangent with the second force transmission plate 22, and the second return spring 20 is in a natural state.

The first initial value can be adjusted by turning the first adjusting knob 10; the initial value of the upward thrust can be adjusted by turning the second adjustment knob 18.

The auxiliary device shell 4 is provided with a first groove for the first adjusting knob 10 to penetrate and extend out; the auxiliary device shell 4 is provided with a second groove for the second adjusting column 19 to penetrate and extend.

The inner end of the front plate 1 of the auxiliary device is fixedly provided with a button front bracket 24 corresponding to the penetrating positions of the first button 15, the push-up button 23 and the horizontal bar button 7; the outer circumferential surfaces of the first button 15, the push-up button 23 and the horizontal bar button 7, which are close to the direction of the front plate 1 of the auxiliary device, are respectively provided with a shaft end check ring 26, and when the first button 15, the push-up button 23 and the horizontal bar button 7 are in an extending state, all the shaft end check rings 26 are limited and blocked on the front plate 1 of the auxiliary device; the positioning springs 27 are fixedly arranged in the button front support 24, a first limiting groove 28 and a second limiting groove 29 are formed in the outer circumferential surfaces of the first button 15, the push-up button 23 and the horizontal bar button 7, which are close to the direction of the front plate 1 of the auxiliary device, when the first button 15, the push-up button 23 and the horizontal bar button 7 are in an extending state, all the positioning springs 27 are clamped in the first limiting groove 28, and when the first button 15, the push-up button 23 and the horizontal bar button 7 extend into the rear plate 2 of the auxiliary device, the positioning springs 27 are clamped in the second limiting groove 29; the auxiliary rear plate 2 is fixedly provided with a button rear bracket 25 corresponding to the penetrating positions of the first button 15, the push-up button 23 and the horizontal bar button 7.

A torsion spring gasket 30 is arranged between the auxiliary rear plate 2 and the first convex disc 13; a torsion spring washer 30 is arranged between the front plate 1 of the auxiliary device and the second cam 21.

The working principle of the utility model is as follows:

the horizontal and vertical conversion seat 6 is arranged on the integral auxiliary device support frame, the integral auxiliary device support frame is placed on the ground, so that the auxiliary exercise equipment can be installed, and meanwhile, the auxiliary exercise equipment can also be installed on the back of a wheelchair;

when the first button 15 is pressed, the first button 15 stretches into the rear plate of the auxiliary device, at the moment, the positioning spring 27 is clamped in the second limiting groove 29, the cylindrical surface of the top block of the first button 15 is tangential to the first force transmission plate 14, the first return spring 12 is in a stretching state, at the moment, the buckled end surface of the first force transmission plate 14 is buckled with the buckled end surface of the force arm rod 16, the push-up button 23 and the horizontal bar button 7 are pulled out, the push-up button 23 and the shaft end retainer 26 of the horizontal bar button 7 stop pulling out when blocked and limited, at the moment, the horizontal bar button 7 is not positioned below the force arm rod 16, the conical surface of the top block of the push-up button 23 is tangential to the second force transmission plate 22, and the second return spring 20 is in a natural state, so that the force arm rod 16 cannot be contacted with the second force transmission plate 22 when rotating; when the rotating handle and the arm lever 16 are rotated downwards by both hands, as shown in fig. 8-10, as the arm lever 16 and the first force transfer plate 14 are buckled with each other, the rotating handle and the arm lever 16 drive the first force transfer plate 14 to rotate anticlockwise, the first force transfer plate 14 drives the first cam 13 to rotate, in the anticlockwise rotation process of the first force transfer plate 14 and the first cam 13, the connecting end of the first spring 9 and the first cam 13 deforms, the first return spring 12 keeps the previous stretching state, the first spring 9 is fixed with the connecting end of the first adjusting knob 10, and the first adjusting column 11 and the first adjusting knob 10 do not rotate and move; when the first rotation of the rotating handle and the force arm rod 16 reaches the lowest point, the energy is stored due to the deformation of the first spring 9, and the return force is used for assisting in returning during return, so that the upward unidirectional rehabilitation exercise is realized;

16-17, when the push-up button 23 is pressed, the push-up button 23 stretches into the rear plate of the auxiliary device, at this time, the positioning spring 27 is clamped in the second limiting groove 29, the cylindrical surface of the top block of the push-up button 23 is in tangential contact with the second force transmission plate 22, and the second return spring 20 is in a stretched state, at this time, the buckled end surface of the second force transmission plate 22 is buckled with the buckling end surface of the force arm rod 16, the first button 15 and the horizontal bar button 7 are pulled out, the pull-out is stopped when the shaft end retainer 26 of the first button 15 and the horizontal bar button 7 are blocked and limited, at this time, the horizontal bar button 7 is not positioned below the force arm rod 16, and the conical surface of the top block of the first button 15 is tangential to the first force transmission plate 14 and the first return spring 12 is in a natural state, so that the force arm rod 16 is not contacted with the first force transmission plate 14 when rotating; when the rotating handle and the arm lever 16 are rotated upwards by both hands, as shown in fig. 18-19, as the arm lever 16 and the second force transmission plate 22 are buckled with each other, the rotating handle and the arm lever 16 will rotate clockwise with the second force transmission plate 22, the second force transmission plate 22 drives the second cam 21 to rotate, during the clockwise rotation of the second force transmission plate 22 and the second cam 21, the connection end of the second spring 17 and the second cam 21 deforms along with the rotation of the second cam 21, and the second return spring 20 keeps the previous stretching state, the connection end of the second spring 17 and the second adjusting knob 18 is fixed, and the second adjusting column 19 and the second adjusting knob 18 is pulled to not rotate and move, thereby completing the upward pushing exercise process; when the rotating handle and the arm lever 16 push up and rotate to the highest point, the second spring 17 deforms to store energy, and return force is used for assisting in returning during return, so that upward unidirectional rehabilitation exercise is realized;

as shown in fig. 1-6, the horizontal bar button 7 extends into the arc-shaped groove and is attached to the lower part of the arm lever 16, and at this time, the upper part and the lower part of the arm lever 16 are respectively limited by the arc-shaped groove and the horizontal bar button 7, so that a person needing to exercise can grasp the arm lever 16 to perform horizontal bar movement;

because the support frame 5 of the auxiliary device shell and the horizontal and vertical conversion seat 6 are mutually pinned, the support frame 5 of the auxiliary device shell of the 2 auxiliary devices can be relatively rotated on the horizontal and vertical conversion seat 6 by 90 degrees, at the moment, the gears 8 of the 2 auxiliary devices are mutually meshed, at the moment, the rotating handles and the arm levers 16 are retracted by two hands, namely, the first rotating handles and the arm levers 16 correspond to the two hands, as shown in fig. 5; the two hands are outwards extended to rotate the handle and the arm lever 16, namely the handle and the arm lever 16 are correspondingly pushed by the two hands upwards, as shown in fig. 4; therefore, the multifunctional auxiliary exercise equipment for the wheelchair can also perform rehabilitation exercise of inward and outward folding of the hands in the horizontal direction.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims (10)

1. A multi-functional exercise assisting apparatus for a wheelchair, comprising two assistants and a switching handle connected to each other;

the switching handle comprises a first operating handle (31) and a second operating handle (32) which can be spliced or separated for use, and the other ends of the two operating handles are respectively connected with an auxiliary device which can rotate relatively;

the auxiliary comprises an auxiliary shell (4), an auxiliary front plate (1) and an auxiliary rear plate (2) which are arranged on the outer end surfaces of two sides of the auxiliary shell (4), and an auxiliary rotating shaft (3) which is arranged between the auxiliary front plate (1) and the auxiliary rear plate (2);

the auxiliary device shell (4) is fixed through an auxiliary device shell supporting frame (5);

the auxiliary device rotating shaft (3) is sleeved with a force arm rod (16) which extends out of the auxiliary device shell (4) and is connected with the operating handle, the force arm rod (16) is connected with the switching handle, and one end of the force arm rod (16) positioned in the auxiliary device shell (4) is connected with a buckling end face;

a pull-down exercise assembly is arranged between the force arm rod (16) and the auxiliary device rear plate (2);

the pull-down exercise assembly comprises a first button (15) which is telescopically arranged on a front plate (1) of the auxiliary device in a penetrating mode, and a first spring (9) which is sleeved on a rotating shaft (3) of the auxiliary device, one end of the first spring (9) is arranged on the upper portion of the other end of a first convex disc (13) in a penetrating mode, the first convex disc (13) is rotatably arranged on the rotating shaft (3) of the auxiliary device, a first force transmission plate (14) which is matched with a force arm rod (16) is connected with the upper portion of one end of the first convex disc (13) in a pin joint mode, and a first return spring (12) is connected between the first convex disc (13) and the first force transmission plate (14);

the first button (15) is provided with a jacking block, the jacking block is formed by integrating a cylindrical jacking block and a conical jacking block, the conical surface and the cylindrical surface of the jacking block are tangent to the first force transmission plate (14) along with the movement of the first button (15), and the buckled end face of the first force transmission plate (14) and the buckled end face of the force arm rod (16) are intermittently controlled to be buckled with each other.

2. A multi-functional exercise assisting apparatus for wheelchair according to claim 1, characterized in that the first operating handle (31) or the second operating handle (32) each comprises a vertical adjusting lever (33), a horizontal adjusting lever (34), a vertical rotating sleeve (35), a horizontal rotating sleeve (36), a right angle connecting sleeve (37), an exercise handle (38), an inner-outer-expanding handle (39), an exercise handle mode converting sleeve (40) and a handle coupling (41); the vertical rotating sleeves (35) of the first operating handle (31) or the second operating handle (32) are respectively connected with the arm levers (16) of the two auxiliary devices in a rotating mode, one ends of the vertical adjusting rods (33) are fixedly arranged in the vertical rotating sleeves (35) in a penetrating mode, the other ends of the vertical adjusting rods (33) are fixedly arranged in the horizontal rotating sleeves (36) in a penetrating mode, the upper ends of the horizontal rotating sleeves (36) are fixedly provided with the horizontal adjusting rods (34), the other ends of the horizontal adjusting rods (34) are fixedly arranged in one end opening of the right-angle connecting sleeve (37), the other ends of the right-angle connecting sleeve (37) are fixedly provided with the ends of the exercise handles (38) in a penetrating mode, the exercise handles (38) are all connected with the inner retracting and outer extending handles (39) in a pin mode, the bottom ends of the exercise handles (38) are all provided with handle grooves for the inner retracting and outer extending handles (39) to rotate, the inner retracting and outer extending handles (39) are all connected with the exercise mode converting sleeves (40) in a threaded mode, the other ends of the exercise handles (40) are all connected with the inner handles (38) in a threaded mode, the second operating shaft coupler (41) is arranged between the handles (31), the end faces of the handle couplings (41) of the first operating handle (31) and the second operating handle (32) are spliced in a pasting mode; a handle joint bolt (42) is connected with the handle coupler (41) of the first operating handle (31) and the handle coupler (32) in a threaded mode, a key groove is formed in one side end portion of the handle joint bolt (42), a set screw (43) is connected with the inner folding and outer unfolding handle (39) of the first operating handle (31) in a threaded mode, and the set screw (43) stretches into the key groove.

3. The multifunctional exercise assisting device for the wheelchair according to claim 2, wherein a plurality of adjusting holes are formed in a vertical adjusting rod (33) of the first operating handle (31) or the second operating handle (32), a self-locking quick release pin is arranged on the vertical rotating sleeve (35) in a penetrating manner, and the self-locking quick release pin is arranged in one adjusting hole of the vertical adjusting rod (33); a plurality of adjusting holes are formed in the horizontal adjusting rod (34) of the first operating handle (31) or the second operating handle (32), a self-locking quick-release pin is arranged on the horizontal rotating sleeve (36) in a penetrating mode, and the self-locking quick-release pin is arranged in one adjusting hole of the horizontal adjusting rod (34) in a penetrating mode.

4. The multifunctional exercise assisting device for a wheelchair according to claim 1, wherein the pull-down exercise assembly further comprises a first adjusting knob (10) penetrating through the assisting device housing (4), one end of the first adjusting knob (10) extending into the assisting device housing (4) is sleeved on the first spring (9), the first adjusting knob (10) penetrates through the first adjusting column (11) in a threaded manner, and the first adjusting column (11) is rotatably arranged between the assisting device front plate (1) and the assisting device rear plate (2).

5. A multi-function exercise assisting apparatus for a wheelchair in accordance with claim 4, wherein: the outer end face of the auxiliary rotating shaft (3) is provided with a gear (8), and the gear (8) is attached to the outer end face of the auxiliary rear plate (2); a telescopic horizontal bar button (7) is arranged on the front plate (1) of the auxiliary device in a penetrating way, the horizontal bar button (7) can extend into the arc-shaped groove and is arranged below the force arm lever (16) in a pasting way, and the horizontal bar button (7) can retract to a position which does not reach the arc-shaped groove; the bottom end fixing of the auxiliary device shell (4) is provided with an auxiliary device shell supporting frame (5), and the auxiliary device shell supporting frame (5) is connected with the horizontal-vertical conversion seat (6) in a pin joint mode.

6. The multifunctional auxiliary exercise device for wheelchair according to claim 4, wherein a push-up exercise assembly is provided between the other side of the arm lever (16) and the front plate (1) of the auxiliary device, the push-up exercise assembly comprising a second spring (17), a second adjusting knob (18), a second adjusting post (19), a second return spring (20), a second cam (21), a second force transfer plate (22) and a push-up button (23); the second spring (17) is sleeved on the other end of the rotating shaft (3) of the auxiliary device, one end of the second spring (17) is arranged on the inner end of the second adjusting knob (18) in a penetrating mode, the other end of the second spring (17) is arranged on the upper portion of the other end of the second convex disc (21) in a penetrating mode, and the second convex disc (21) is arranged on the rotating shaft (3) of the auxiliary device in a rotating mode; the second adjusting column (19) is rotatably arranged between the auxiliary front plate (1) and the auxiliary rear plate (2), and the second adjusting column (19) is penetrated and connected with a second adjusting knob (18) in a threaded manner; a second force transmission plate (22) is connected with the lower part of one end of the second convex disc (21) in a pin joint mode; the two ends of the second return spring (20) are respectively penetrated through the lower part of one end of the second convex disc (21) and the lower part of one end of the second force transmission plate (22); the push-up button (23) is arranged on the front plate (1) of the auxiliary device in a telescopic penetrating mode, a jacking block is arranged on the push-up button (23) and is formed by a cylindrical jacking block and a conical jacking block in an integrated mode, when the push-up button (23) is in a natural extending state, the conical surface of the jacking block is tangent to the second force transmission plate (22) and the second return spring (20) is in a natural state, when the push-up button (23) extends into the rear plate (2) of the auxiliary device, the cylindrical surface of the jacking block is in tangent contact with the second force transmission plate (22) and the second return spring (20) is in a stretching state, and at the moment, the buckled end surface of the second force transmission plate (22) and the buckled end surface of the force arm rod (16) are buckled with each other.

7. The multifunctional exercise assisting device for wheelchairs according to claim 5, wherein the horizontal adjusting rods (34) of the first operating handle (31) and the second operating handle (32) are respectively sleeved with a left-right rotating collar (44), the left-right rotating collars (44) of the first operating handle (31) and the second operating handle (32) are respectively provided with a quick release pin in a penetrating way, and the quick release pins are respectively penetrated into an adjusting hole of the horizontal adjusting rod (34); elastic components are buckled at the lower ends of left-handed and right-handed lantern rings (44) of the first operating handle (31) and the second operating handle (32).

8. The multifunctional exercise assisting device for wheelchair according to claim 5, characterized in that the assisting device housing (4) is provided with a first groove for the first adjusting knob (10) to extend through; a second groove for the second adjusting column (19) to penetrate and extend out is formed in the auxiliary device shell (4).

9. A multi-functional exercise assisting apparatus for wheelchair according to claim 5, characterized in that the inner end of the front plate (1) of the assisting apparatus is fixedly provided with a button front bracket (24) corresponding to the penetrating positions of the first button (15), the push-up button (23) and the horizontal bar button (7); the first button (15), the push-up button (23) and the horizontal bar button (7) are respectively provided with a shaft end check ring (26) on the outer circumferential surface close to the direction of the front plate (1) of the auxiliary device, and when the first button (15), the push-up button (23) and the horizontal bar button (7) are in an extending state, all the shaft end check rings (26) are limited and blocked on the front plate (1) of the auxiliary device; all the button front brackets (24) are internally and fixedly provided with positioning springs (27), a first limiting groove (28) and a second limiting groove (29) are formed in the outer circumferential surfaces of the first button (15), the push-up button (23) and the horizontal bar button (7) close to the direction of the front plate (1) of the auxiliary device, when the first button (15), the push-up button (23) and the horizontal bar button (7) are in an extending state, all the positioning springs (27) are clamped in the first limiting groove (28), and when the first button (15), the push-up button (23) and the horizontal bar button (7) extend into the rear plate (2) of the auxiliary device, the positioning springs (27) are clamped in the second limiting groove (29); the auxiliary device rear plate (2) is fixedly provided with a button rear bracket (25) corresponding to the penetrating positions of the first button (15), the push-up button (23) and the horizontal bar button (7).

10. A multi-functional exercise assisting device for wheelchair according to claim 1, characterized in that a torsion spring washer (30) is provided between the assisting rear plate (2) and the first cam (13); a torsion spring gasket (30) is arranged between the front plate (1) of the auxiliary device and the second convex disc (21).