CN215535768U

CN215535768U - Traction part of wheelchair

Info

Publication number: CN215535768U
Application number: CN202023343764.0U
Authority: CN
Inventors: 王伟东
Original assignee: Zhejiang Jiuselu Automobile Co ltd
Current assignee: Zhejiang Jiuselu Automobile Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-01-18
Anticipated expiration: 2030-12-31

Abstract

The utility model provides a traction part of a wheelchair, and belongs to the technical field of traction parts of wheelchairs. It has solved the problem that current manual wheelchair does not possess and switches into the function of advancing voluntarily. This traction element includes horizontal stake body, vertical fixed setting has the vertical stake body that the chamber was held in horizontal stake body front end and inside, rotate the wheel handle axle that sets up on vertical stake body and pass vertical stake body inside appearance chamber, fixed setting is at the wheel carrier of wheel handle axle bottom, rotate the wheel body that sets up on the wheel carrier, fixed setting holds the intracavity and can drive wheel body pivoted drive assembly in vertical stake body inside, fixed setting is at the hand (hold) subassembly at wheel handle axle top, the fastening assembly of setting in horizontal stake body rear end. Compared with the prior art, the traction part can be installed and integrated on the wheelchair without electric drive, the connection mode is good in universality, and the traction part can be suitable for different types of wheelchair.

Description

Traction part of wheelchair

Technical Field

The utility model belongs to the technical field of wheelchair accessories and relates to a traction part of a wheelchair.

Background

Wheelchair vehicles are chairs equipped with wheels to assist in replacing walking, and are classified into electric and manual folding wheelchairs. The multifunctional wheelchair is an important mobile tool for home rehabilitation, turnover transportation, treatment and outgoing activities of wounded persons, patients and disabled persons, not only meets the requirements of physically disabled persons and persons with mobility disabilities for riding instead of walking, but also is more important to facilitate the family members to move and take care of the patients, so that the patients can do physical exercise and participate in social activities by means of the wheelchair.

The wheelchair generally includes an electric wheelchair and a manual wheelchair, and in the generation process, the electric wheelchair is added with a driving device for driving wheels of the electric wheelchair to step more than the manual wheelchair, so that the electric wheelchair can be used more conveniently.

However, some users feel a lot of effort in using the manual wheelchair, and therefore it is necessary to provide a traction mechanism with a forward power.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a traction component of a wheelchair, aiming at the problem that the conventional manual wheelchair does not have the function of switching to the automatic advancing function.

The purpose of the utility model can be realized by the following technical scheme:

a traction component of a wheelchair, characterized in that: comprises a transverse bracket body, a vertical bracket body which is vertically and fixedly arranged at the front end of the transverse bracket body and is provided with an inner containing cavity, a wheel handle shaft which is rotatably arranged on the vertical bracket body and penetrates through the inner containing cavity of the vertical bracket body, a wheel carrier which is fixedly arranged at the bottom of the wheel handle shaft, a wheel body which is rotatably arranged on the wheel carrier, a driving assembly which is fixedly arranged in the inner containing cavity of the vertical bracket body and can drive the wheel body to rotate, a handle assembly which is fixedly arranged at the top of the wheel handle shaft, and a fastening assembly which is arranged at the rear end of the transverse bracket body, wherein the fastening assembly comprises a fastening bracket which is fixedly arranged at the rear end of the transverse bracket body, a rotating rod which is rotatably arranged on the fastening bracket, and a fastening rod which is vertically and fixedly arranged at the outermost end part of the rotating rod, a through hole is axially arranged on the fastening rod, an adjusting rod is arranged in the through hole, one section of the inner wall of the through hole of the fastening rod is provided with an external thread, and the other end is a smooth surface, adjust the pole and include ejector pin and push rod, the outer wall of ejector pin has the external screw thread, the ejector pin passes through the scalable setting of thread form in the through-hole, the push rod slides and sets up in the through-hole, the one end of push rod towards the ejector pin is equipped with the interior hook hole of echelonment, interior hook hole links up by the different cylinder hole of two diameters and forms, wherein the cylinder hole that the diameter is little is in the outside, the one end of ejector pin towards the push rod is equipped with the interior hook piece of shape and interior hook hole size unanimity, interior hook piece rotates to set up in interior hook hole and can rotate the ejector pin relative push rod simultaneously the ejector pin also move about along with it when the through-hole axial activity, the outer end tip of push rod is equipped with the coupler body, the below department that is in the coupler body on the fastening support is equipped with the breach that is used for passing wheelchair front end horizontal cradling pole, the other horizontal fixed hook axle that still is equipped with of breach on the fastening support, the hook body is hooked on the hook axle.

In the traction part of the wheelchair, the end part of the ejector rod is provided with a pressure plate, a first compression spring is arranged between the pressure plate and the fastening rod, and the compression spring is sleeved on the ejector rod.

In foretell traction element of a wheelchair car, fastening support bottom be equipped with and be used for adjusting the wheel body and be in with ground contact or the jacking parts of the state of floating, jacking parts is including fixed dead lever that sets up on the fastening support, with the cover body of dead lever with the butt joint of screw thread form, the second pressure spring on the dead lever is established to the cover, relative cover body can rotate but can not carry out gliding T shape cradling piece, the fixed lantern ring that is equipped with on the dead lever, second pressure spring's both ends sticis respectively on the lantern ring and the cover body, T shape cradling piece comprises the montant of horizontal pole and vertical fixation setting in the middle of the horizontal pole, the montant docks with the cover body.

In the traction component of the wheelchair, the outer wall of the sleeve body is provided with a circle of straight grains.

Compared with the prior art, the traction part can be installed and integrated on the wheelchair without electric drive, the connection mode is good in universality, and the traction part can be suitable for different types of wheelchair.

Drawings

FIG. 1 is a schematic structural view of the present component;

in the figure: 1. a transverse stent body; 2. a vertical support body; 3. a wheel handle shaft; 4. a wheel carrier; 5. a wheel body; 6. a handle assembly; 7. fastening a bracket; 8. rotating the rod; 9. a fastening rod; 10. adjusting a rod; 11. a hook body; 12. a notch; 13. a hook shaft; 14. a platen; 15. a first hold-down spring; 16. fixing the rod; 17. a sleeve body; 18. a second hold-down spring; 19. t-shaped support rods.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, the traction component of the wheelchair comprises a transverse support body 1, a vertical support body 2 vertically and fixedly arranged at the front end of the transverse support body 1 and provided with an internal containing cavity, a wheel handle shaft 3 rotatably arranged on the vertical support body 2 and penetrating through the internal containing cavity of the vertical support body 2, a wheel frame 4 fixedly arranged at the bottom of the wheel handle shaft 3, a wheel body 5 rotatably arranged on the wheel frame 4, a driving component fixedly arranged in the internal containing cavity of the vertical support body 2 and capable of driving the wheel body 5 to rotate, a handle component 6 fixedly arranged at the top of the wheel handle shaft 3, and a fastening component arranged at the rear end of the transverse support body 1.

Wherein: the fastening component comprises a fastening support 7 fixedly arranged at the rear end of the transverse support body 1, a rotating rod 8 rotatably arranged on the fastening support 7, a fastening rod 9 vertically and fixedly arranged at the outermost end part of the rotating rod 8, a through hole is axially formed in the fastening rod 9, an adjusting rod 10 is arranged in the through hole, one section of the inner wall of the through hole of the fastening rod 9 is provided with an external thread, the other end of the through hole is a smooth surface, the adjusting rod 10 comprises an ejector rod and a push rod, the outer wall of the ejector rod is provided with the external thread, the ejector rod is telescopically arranged in the through hole in a threaded manner, the push rod is slidably arranged in the through hole, one end of the push rod facing the ejector rod is provided with a stepped inner hook hole, the inner hook hole is formed by joining two cylindrical holes with different diameters, wherein the cylindrical hole with the small diameter is positioned at the outer side, one end of the ejector rod facing the push rod is provided with an inner hook block with the same size as the inner hook hole, the inner hook block is rotatably arranged in the inner hook hole so as to realize that the ejector rod can rotate relative to the ejector rod and the push rod moves along with the through hole when the axial direction, the end part of the outer end of the push rod is provided with a hook body 11, a notch 12 used for penetrating through a front end transverse support rod of the wheelchair is arranged below the hook body 11 on the fastening support 7, a hook shaft 13 is transversely and fixedly arranged beside the notch 12 on the fastening support 7, the hook body 11 can be hooked on the hook shaft 13, the end part of the ejector rod is provided with a pressure plate 14, a first compression spring 15 is arranged between the pressure plate 14 and the fastening rod 9, and the compression spring is sleeved on the ejector rod.

Fastening support 7 bottom is equipped with the jack-up part that is used for adjusting wheel body 5 to be in with ground contact or the state of floating, the jack-up part is including fixed dead lever 16 that sets up on fastening support 7, cover body 17 with the butt joint of dead lever 16 with the screw thread form, the second pressure spring 18 on dead lever 16 is established to the cover, relative cover body 17 can rotate but can not carry out gliding T shape cradling piece 19, the fixed lantern ring that is equipped with on dead lever 16, the both ends of second pressure spring 18 sticis respectively on the lantern ring and cover body 17, T shape cradling piece 19 comprises horizontal pole and the vertical fixation montant that sets up in the middle of the horizontal pole, the montant docks with cover body 17, cover body 17 outer wall is equipped with the straight line of round.

In the use process: through the card on the front end horizontal support pole with breach 12 card, then move fastening rod 9, fastening rod 9 rotates along with dwang 8, lets hook body 11 move to the position department of hook shaft 13 simultaneously, then the rotating ejector pin, the purpose is in order to let hook body 11 retract, it is on hook shaft 13 to retract back hook body 11 fastening hook, horizontal support pole will be fastened and can not break away from with this fastening support 7 this moment, this part just can be used for driving that the wheelchair is step-by-step so far.

In order to improve the reliability, the design additionally provides a T-shaped support rod 19 to be fixed with a support on the wheelchair, and if the form of the fastening position is defined as a second fastening position, and the form of the previous fastening position with the notch 12 and the front end transverse support rod of the wheelchair is defined as a first fastening position, the fastening effect of the component after two fastening positions is better, meanwhile, the height of the wheel body 5 can be changed by changing the sleeve body 17, so that the wheel body 5 is in fastening contact with the ground and cannot be in a floating state, and the process of implementation after adjustability is better.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended sense, i.e., in a sense equivalent to "including at least … …", and not in a closed sense, i.e., in a sense not to be interpreted as "including only … …".

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A traction component of a wheelchair, characterized in that: comprises a transverse bracket body (1), a vertical bracket body (2) which is vertically and fixedly arranged at the front end of the transverse bracket body (1) and is provided with an inner containing cavity, a wheel handle shaft (3) which is rotatably arranged on the vertical bracket body (2) and penetrates through the inner containing cavity of the vertical bracket body (2), a wheel carrier (4) which is fixedly arranged at the bottom of the wheel handle shaft (3), a wheel body (5) which is rotatably arranged on the wheel carrier (4), a driving component which is fixedly arranged in the inner containing cavity of the vertical bracket body (2) and can drive the wheel body (5) to rotate, a handle component (6) which is fixedly arranged at the top of the wheel handle shaft (3), and a fastening component which is arranged at the rear end of the transverse bracket body (1), wherein the fastening component comprises a fastening bracket (7) which is fixedly arranged at the rear end of the transverse bracket body (1), a rotating rod (8) which is rotatably arranged on the fastening bracket (7), and a fastening rod (9) which is vertically and fixedly arranged at the outermost end part of the rotating rod (8), a through hole is axially formed in the fastening rod (9), an adjusting rod (10) is arranged in the through hole, one section of the inner wall of the through hole of the fastening rod (9) is provided with an external thread, the other end of the inner wall of the through hole is a smooth surface, the adjusting rod (10) comprises an ejector rod and a push rod, the outer wall of the ejector rod is provided with the external thread, the ejector rod is telescopically arranged in the through hole in a thread form, the push rod is slidably arranged in the through hole, one end of the push rod, which faces the ejector rod, is provided with a step-shaped inner hook hole, the inner hook hole is formed by joining two cylindrical holes with different diameters, wherein the cylindrical hole with the small diameter is positioned on the outer side, one end of the ejector rod, which faces the push rod, is provided with an inner hook block with the shape consistent with the size of the inner hook hole, the inner hook block is rotatably arranged in the inner hook hole so that the ejector rod can rotate relative to the push rod, and the push rod moves along with the inner axis of the through hole when the ejector rod moves axially, a hook body (11) is arranged at the end of the push rod, a notch (12) for passing through the front end of the wheelchair is arranged at the fastening bracket (7), a hook shaft (13) is transversely and fixedly arranged beside the notch (12) on the fastening bracket (7), and the hook body (11) can be hooked on the hook shaft (13).

2. The traction member for a wheelchair as claimed in claim 1, wherein: the end part of the ejector rod is provided with a pressure plate (14), a first compression spring (15) is arranged between the pressure plate (14) and the fastening rod (9), and the compression spring is sleeved on the ejector rod.

3. A traction member for a wheelchair as claimed in claim 1 or 2, wherein: fastening support (7) bottom be equipped with the jack-up part that is used for adjusting wheel body (5) to be in with ground contact or the state of floating, the jack-up part is including fixed dead lever (16) that sets up on fastening support (7), with the cover body (17) of dead lever (16) with the butt joint of screw thread form, establish second pressure spring (18) on dead lever (16), relative cover body (17) can rotate but can not carry out gliding T shape cradling piece (19), the fixed lantern ring that is equipped with on dead lever (16), the both ends of second pressure spring (18) are sticis respectively on the lantern ring and the cover body (17), T shape cradling piece (19) comprise horizontal pole and the montant of vertical fixation setting in the middle of the horizontal pole, the montant docks with the cover body (17).

4. A traction member for a wheelchair as claimed in claim 3, wherein: the outer wall of the sleeve body (17) is provided with a circle of straight grains.