CN212547441U - Frame connecting piece, headstock connecting piece, frame, headstock and wheelchair - Google Patents

Abstract

The utility model relates to a frame connecting piece, a headstock connecting piece, a frame, a headstock and a wheelchair, which comprises a dismountable headstock and a frame; the frame comprises a frame sleeve, and the front end of the frame sleeve is connected with a frame connecting piece; the frame connecting piece comprises a connecting chuck for being fixed at the front end of a frame sleeve, and the front side of the connecting chuck is provided with a connecting spigot with an opening positioned at the front part and the bottom part. The utility model discloses a couple, link up link plate, plug, take the pivot of torsional spring, opening and the cooperation setting of stay cord, make the utility model discloses can stimulate the stay cord when dismantling at the in-process that uses and can accomplish the dismantlement process, loosen the stay cord, make the couple be in the horizontality and can lock locomotive connecting piece and frame connection spare, when the locking force that the torsional spring can provide is not enough, can manually twist and move butterfly bolt to support dead couple, prevent to connect the position shake, accomplish the locking process, the utility model discloses simple structure, it is practical convenient, be convenient for extensive the popularization.

Description

Frame connecting piece, headstock connecting piece, frame, headstock and wheelchair

Technical Field

The utility model relates to a tool technical field, concretely relates to vehicle frame connecting piece, locomotive connecting piece, frame, locomotive and wheelchair instead of walk.

Background

With the development of social welfare and the improvement of living standards of people, disabled people increasingly use rehabilitation wheelchairs, the wheelchairs become indispensable transportation tools for people with lower limb disabilities and old and weak people, the labor of caring personnel is saved, the wheelchair is convenient to transfer in hospitals and can be conveniently moved by oneself in real life, the wheelchairs in the market at present are mainly divided into folding manual wheelchairs and non-folding manual wheelchairs, the folding manual wheelchairs generally consist of four parts, namely a wheelchair frame, wheels, a brake device and a seat rest, the wheelchairs can be flexibly folded in actual use and are convenient to store, the wheelchair does not need to be attached with electric energy in actual walking as the non-folding manual wheelchairs, the advancing power needs to depend on hand rims fixed on the wheels, and the purpose of advancing or retreating of the wheelchair is achieved by operating the hand rims, however, the hand wheel ring is usually made of stainless steel materials, the palm of a patient directly acts on a smooth hand wheel, so that the friction force is small, the driving is hard, in order to solve the problem, a layer of rubber sleeve wraps the outer layer of a part of the wheel ring of the wheelchair hand, the friction force between the palm and the hand wheel ring is increased, but the friction force can only be met in daily basic activities, if the wheelchair is used for walking for a long distance, the surface of the rubber sleeve is rough, the hand is seriously injured, the calluses of light people are heavy, and the skin is cracked and burst, so certain defects also exist.

An electric drive locomotive device for a wheelchair is disclosed in chinese patent CN107280873A, the electric drive locomotive device for the wheelchair, although simple structure, creation novelty, organic combination of the advantages of manual wheelchair and electric wheelchair, convenience for the use of the old or the disabled, and flexible assembly and disassembly, and excellent expandability, which improves the quality of life of the old or the disabled, the user can control the wheelchair at will, the appearance is exquisite, convenient operation, excellent quality, long service life, and novel design, but the connection mode between the electric drive locomotive device for the wheelchair, the connection of the locomotive, the frame, the locomotive and the wheelchair is complicated, the assembly and disassembly are very inconvenient, and the structure of the frame connection, the locomotive connection is also very complicated, undoubtedly increasing the manufacturing cost and the operation difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a frame connecting piece, locomotive connecting piece, frame, locomotive and wheelchair to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model discloses a frame connecting piece, locomotive connecting piece, frame, locomotive and wheelchair adopt following technical scheme: the frame connecting piece comprises a connecting chuck fixed at the front end of the frame sleeve, the front side of the connecting chuck is provided with a connecting spigot with an opening positioned at the front part and the bottom part, and the top side wall of the connecting spigot is provided with a connecting hole taking the vertical direction as the depth direction; the frame comprises a frame sleeve, and the front end of the frame sleeve is connected with a frame connecting piece; the bicycle comprises a bicycle head and a bicycle frame, wherein the bicycle head comprises a bicycle head front fork, and the rear part of the bicycle frame front fork is connected with a bicycle head connecting piece; the head connecting piece comprises a connecting hanging plate used for being fixed at the rear part of a head front fork, a plug used for being inserted into a connecting hole of the frame connecting piece is vertically arranged at the top of the connecting hanging plate, a hook capable of turning in a pitching mode is hinged to the bottom of the connecting hanging plate, the rear part of the hook is exposed from the rear part of the connecting hanging plate and is provided with a hook part which turns upwards and is used for being hooked at the bottom of the side wall of the rear part of a connecting chuck of the frame connecting piece, and the hook is connected with a spring used for pressing the hook part to turn upwards and a pull rope capable of; the wheelchair comprises a detachable vehicle head and a vehicle frame.

Preferably, the connecting hole is a through hole which is communicated up and down, an orifice at the lower end of the connecting hole is communicated with a notch positioned on the side wall of the rear part of the connecting chuck, and the bottom of the notch is positioned below the side wall of the top part of the connecting chuck.

Preferably, the side wall of the bottom of the notch is a slope surface or an arc surface with the front side lower than the rear side, and the front surface of the connecting chuck is convexly provided with a connecting column positioned below the slope surface or the arc surface.

Preferably, the front part of the hook is exposed from the front part of the connecting hanging plate, and the pull rope is connected to the front position of the exposed part.

Preferably, the front side of the connecting hanging plate is fixed with a connecting column which extends forwards and backwards, a through hole which extends upwards and downwards is formed in the connecting column, a butterfly bolt which can stretch upwards and downwards is connected with the through hole in an internal thread mode, and the bottom of the butterfly bolt is opposite to the exposed part of the front portion of the hook and used for downwards abutting against the front portion of the hook.

Preferably, the linking hanging plate is hinged with the hook through a hinge shaft extending left and right, the spring is a torsion spring sleeved on the hinge shaft, and a linking jack for inserting a linking column on the linking chuck is formed in the linking hanging plate.

The utility model has the advantages that: the utility model discloses a couple, link up link plate, plug, take the pivot of torsional spring, opening and the cooperation setting of stay cord, make the utility model discloses can stimulate the stay cord when dismantling at the in-process that uses and can accomplish the dismantlement process, loosen the stay cord, make the couple be in the horizontality and can lock locomotive connecting piece and frame connection spare, when the locking force that the torsional spring can provide is not enough, can manually twist and move butterfly bolt to support dead couple, prevent to connect the position shake, accomplish the locking process, the utility model discloses simple structure, it is practical convenient, be convenient for extensive the popularization.

Drawings

FIG. 1 is a schematic view of a first form of a three-dimensional structure of a headstock connecting part of the present invention;

fig. 2 is a schematic view of a second form of the three-dimensional structure of the headstock connecting member of the present invention;

FIG. 3 is a schematic view of the frame connecting member of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the frame connecting member of the present invention.

In the figure: 1. engaging the chuck; 2. connecting the seam allowance; 3. connecting holes; 4. connecting the hanging plates; 5. a plug; 6. hooking; 7. a hook portion; 8. pulling a rope; 9. opening the gap; 10. connecting columns; 11. a through hole; 12. a butterfly bolt; 13. a hinge shaft; 14. connecting the column; 15. and (7) inserting holes.

Detailed Description

In one embodiment of the present invention, as shown in fig. 1-4, a wheelchair comprises a detachable head and a frame; the frame comprises a frame sleeve, and the front end of the frame sleeve is connected with a frame connecting piece; the frame connecting piece comprises a connecting chuck 1 fixed at the front end of a frame sleeve, wherein a connecting spigot 2 with an opening positioned at the front part and the bottom is arranged on the front side of the connecting chuck 1, a connecting hole 3 with the upper direction and the lower direction as the depth direction is arranged on the side wall of the top part of the connecting spigot 2, the connecting hole 3 is a through hole which is communicated up and down, an opening 9 positioned on the side wall of the rear part of the connecting chuck is communicated with the lower end orifice of the connecting hole 3, the bottom of the opening 9 is positioned below the side wall of the top part of the connecting chuck 1, the side wall of the bottom of the opening 9 is a slope or a cambered surface with the front side lower than the rear side, a plug 5 is conveniently inserted and simultaneously plays a role of fixing the plug 5; the bicycle comprises a bicycle head and a bicycle frame, wherein the bicycle head comprises a bicycle head front fork, and the rear part of the bicycle frame front fork is connected with a bicycle head connecting piece; the headstock connecting piece comprises a connecting hanging plate 4 fixed at the rear part of a headstock front fork, a connecting jack for inserting a connecting column on a connecting chuck is formed in the connecting hanging plate, a plug 5 inserted into a connecting hole 3 of the frame connecting piece is vertically arranged at the top of the connecting hanging plate 4, a connecting column 10 extending forwards and backwards is fixed at the front side of the connecting hanging plate 4, a through hole 11 extending upwards and downwards is formed in the connecting column 10, a butterfly bolt 12 capable of stretching upwards and downwards is connected with the through hole 11 in an internal thread mode, the bottom of the butterfly bolt 12 is opposite to the exposed part of the front part of a hook 6 and is used for downwards abutting against the front part of the hook 6, the connecting hanging plate 4 is hinged with the hook 6 through a hinge shaft 13 extending leftwards and rightwards, the spring is a torsion spring sleeved on the hinge shaft 13, a hook 6 capable of turning in a pitching mode is hinged to the bottom of the connecting hanging plate 4, the rear part of the hook 6 is exposed from the The hook 6 is connected with a spring used for pressing the hook 7 to be turned upwards and a pull rope 8 capable of pulling the hook 7 to be turned downwards, the front part of the hook 6 is exposed from the front part of the connecting hanging plate 4, and the pull rope 8 is connected at the front position of the exposed part.

When in use, firstly, the head and the frame are assembled, the structures of the head, the frame and the wheelchair are completely the same as those of a comparison document, the specific process of the assembly is that a head connecting piece connected with the head and a frame connecting piece connected with the frame are inserted together through a plug 5 and a notch 9, a connecting column 14 is inserted in an inserting hole 15, unhooking can be prevented after the 14 and the 15 are combined, after the insertion, the hook 6 is in a horizontal state due to the action of a torsional spring on a hinge shaft 13, at the moment, the hook part of the hook 6 is abutted against the rear side of a connecting scraper 4, the head and the frame are in a locking state, when the wheelchair meets a rugged road surface, in order to avoid the situation that the locking force of the torsional spring is insufficient, the butterfly bolt 12 can be screwed before driving, one end of the butterfly bolt 12 is abutted against the upper surface of the hook 6, so as to form a locking mechanism consisting of the butterfly bolt 12, the hinge shaft 13, guarantee the security of the in-process of traveling, when needs are dismantled, only need unscrew butterfly bolt 12 to stimulate stay cord 8 simultaneously, make hook portion 7 upset downwards can remove the locking, the utility model discloses simple structure, convenient to use has effectively avoided the complicated structure that adopts between locomotive and the frame in the contrast file CN107280873A, has reduced the cost of manufacture, has improved the convenience of using, the extensive popularization of being convenient for.

To sum up, the utility model discloses a couple 6, link up link plate 4, plug 5, take the pivot 13 of torsional spring, opening 9 and stay cord 8's cooperation setting, make the utility model discloses can stimulate stay cord 8 when dismantling and can accomplish the dismantlement process at the in-process that uses, loosen stay cord 8, make couple 6 be in the horizontality and can lock locomotive connecting piece and frame connection spare, when the locking force that the torsional spring can provide is not enough, can manually twist and move butterfly bolt 12 to support the couple of dying, prevent to connect the position shake, accomplish the locking process, the utility model discloses simple structure, it is practical convenient, the extensive popularization of being convenient for.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, but should not be construed as limiting the claims, and the present invention is not limited to the above-described embodiments, but may be modified in various ways. In summary, all changes that can be made within the scope of the independent claims of the present invention are within the scope of the present invention.

Claims (10)

1. The frame connecting piece comprises a connecting chuck for being fixed at the front end of a frame sleeve, and is characterized in that the front side of the connecting chuck is provided with a connecting spigot with an opening positioned at the front part and the bottom part, and the top side wall of the connecting spigot is provided with a connecting groove or a hole which is used as the depth direction along the upper direction and the lower direction.

2. The frame connector of claim 1, wherein: the connecting hole is a through hole which is communicated from top to bottom, an orifice at the lower end of the connecting hole is communicated with an opening which is positioned on the side wall of the rear part of the joining chuck, and the bottom of the opening is positioned below the side wall of the top part of the joining chuck.

3. The frame connector of claim 2, wherein: the side wall of the bottom of the opening is a slope surface or an arc surface with the front side lower than the rear side, and the front side of the connecting chuck is convexly provided with a connecting column positioned below the slope surface or the arc surface.

4. The headstock connecting piece comprises a connecting hanging plate used for being fixed at the rear part of a headstock front fork, and is characterized in that a plug used for being inserted into a connecting groove or a hole of a frame connecting piece is vertically arranged at the top of the connecting hanging plate, a hook capable of turning in every single move is hinged to the bottom of the connecting hanging plate, the rear part of the hook is exposed from the rear part of the connecting hanging plate and is provided with a hook part which turns upwards and is used for hooking the bottom of the side wall of the rear part of a connecting chuck of the frame connecting piece, and the hook is connected with a spring used for pressing the hook part to turn upwards and a pull rope capable of.

5. The vehicle head connecting piece according to claim 4, wherein a front portion of the hanger is exposed from a front of the engaging link plate, and the pulling rope is connected at a position on a front side of the exposed portion.

6. The vehicle head connecting piece according to claim 5, wherein a connecting column extending forwards and backwards is fixed on the front side of the connecting hanging plate, a through hole extending upwards and downwards is formed in the connecting column, a butterfly bolt capable of stretching upwards and downwards is connected in the through hole in a threaded manner, and the bottom of the butterfly bolt is opposite to the exposed part of the front part of the hook and is used for downwards abutting against the front part of the hook.

7. The headstock connecting member according to claim 4, 5 or 6, wherein the engagement hanging plate is provided with an engagement insertion hole for inserting the engagement post on the engagement chuck.

8. Frame, comprising a frame sleeve, characterized in that the frame sleeve is connected at its front end with a frame connection according to any of the claims 1-3.

9. Vehicle head, comprising a front fork, characterized in that the rear part of the front fork of the frame is connected with a vehicle head connection element according to any of the claims 4-7.

10. Wheelchair comprising a removable head and a frame, characterized in that the head is according to claim 9 and the frame is according to claim 8.

Images