CN218833038U - Head connecting structure for wheelchair - Google Patents

Abstract

The utility model provides a locomotive connection structure for wheelchair, a serial communication port, include: the first butt joint assembly comprises a hook frame, a locking switch and a pull cable, and the hook frame is arranged on a vertical pipe of the locomotive through a through hole in the hook frame; the locking switch is connected with the hook frame through the inhaul cable and is arranged on a handlebar of the vehicle head; and one end of the second butt joint component is connected with the hook frame, and the other end of the second butt joint component is connected with the chair legs of the wheelchair. The utility model has the characteristics of small volume and small weight, and has the advantages of convenient assembly and disassembly, stable connection and universality, when the head is connected with the wheelchair, accessories do not need to be installed on the wheelchair, and the weight of the wheelchair can not be increased; and the locking switch is arranged on the handlebar, so that the waist bending operation of a user is avoided, and the locking switch can be conveniently used by a user without strength of the isosceles part of the high paraplegia.

Description

Head connecting structure for wheelchair

Technical Field

The utility model relates to a wheelchair technical field, specificly relate to a locomotive connection structure for wheelchair.

Background

The users of the manual wheelchair are mostly patients, disabled people and old people, and usually, the users push the wheelchair by hands or operate the hand rims by themselves to move the wheelchair, which is particularly not beneficial to the users to go out for a long distance independently. Therefore, a wheel chair capable of being ridden appears on the market, the wheel chair capable of being ridden consists of a vehicle head and a wheel chair, the vehicle head and the wheel chair are detachably connected through a connecting structure, and the electric riding function of the manual wheel chair is achieved.

However, the connection structure in the prior art generally requires the attachment to be mounted on the wheelchair, and when the manual wheelchair is used alone, the weight of the wheelchair is increased, which affects the normal use of the manual wheelchair. In addition, the existing connection structure of the locomotive and the wheelchair is too complex in design, huge and heavy in total, and the position design of the locking switch is unreasonable, so that the wheelchair needs to be stooped to operate, and is not convenient for high-level paraplegics and other users without strength on waist to assemble and disassemble.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a connection structure of locomotive and wheelchair, have little volume and little weight characteristics, when connecting locomotive and wheelchair, need not to install the annex on the wheelchair, can not increase the weight of wheelchair itself, install and remove the facility simultaneously, can make things convenient for the user of the no strength of high-order paraplegia isosceles part to use.

In order to achieve the above objects and other objects, the present invention is achieved by the following technical solutions: the utility model provides a locomotive connection structure for wheelchair which characterized in that includes: the first butt joint assembly comprises a hook frame, a locking switch and a pull cable, and the hook frame is arranged on a vertical pipe of the locomotive through a through hole in the hook frame; the locking switch is connected with the hook frame through the inhaul cable and is arranged on a handlebar of the vehicle head; one end of the second butt joint component is connected with the hook frame, and the other end of the second butt joint component is connected with the chair legs of the wheelchair.

In one embodiment, the hook rack further comprises a groove, and the lock tongue fixing seat and the lock tongue are arranged in the groove.

In one embodiment, the bolt fixing seat is fixed on the hook rack through a countersunk head bolt, the bolt is connected with the bolt fixing seat through a return spring, and the bolt moves up and down in the bolt fixing seat.

In one embodiment, one end of the inhaul cable is fixedly connected to the locking switch, and the other end of the inhaul cable penetrates through the bolt fixing seat and the return spring to be connected with the bolt.

In an embodiment, a limiting post is arranged above the front of the lock tongue, and the limiting post is fixedly arranged on the hook rack and located above the lock tongue fixing seat and used for limiting the movable distance of the lock tongue in the lock tongue fixing seat.

In an embodiment, a locking knob is further disposed on the rear side of the bolt fixing seat and used for screwing and fixing the bolt.

In one embodiment, the second docking assembly comprises a connecting rod, a hook and clamps, the hook is rotatably mounted in the middle of the connecting rod, the two clamps are respectively mounted at the left end and the right end of the connecting rod through adjusting pieces, and the second docking assembly is fixedly mounted on the chair leg through the clamps.

In one embodiment, the adjustment member moves left and right on the link to adjust the distance between the two clamps.

In one embodiment, the clamp is telescopically movable back and forth within the adjustment member to increase the distance between the link and the wheelchair.

The utility model has the characteristics of small volume and small weight, and has the advantages of convenient assembly and disassembly and stable connection, when the wheelchair is connected with the headstock, accessories do not need to be installed on the wheelchair, and the weight of the wheelchair can not be increased; and the locking switch is arranged on the handlebar, so that the bending operation of a user is avoided, and the locking switch can be conveniently used by a user without strength at the isosceles part of the high paraplegia. In addition, the second butt joint component can be adjusted up and down, left and right and in angle, and is suitable for wheelchairs with different sizes.

Drawings

Fig. 1 shows a schematic three-dimensional structure of the wheelchair connecting the vehicle head and the wheelchair.

Fig. 2 is a schematic view showing a three-dimensional structure of a head connection structure for a wheelchair according to the present invention.

Fig. 3 is a schematic view of the first butt-joint component and the hook member in the groove of the present invention.

Fig. 4 shows a schematic structural view of the first butt joint assembly installed on the vehicle head.

Fig. 5 is a schematic structural diagram of a second docking assembly according to the present invention.

Fig. 6 is a schematic view showing a state in which a user connects the vehicle head and the wheelchair.

Fig. 7 is a schematic view showing a state after the user connects the vehicle head and the wheelchair.

Detailed Description

Please refer to fig. 1 to 7. The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. It should be understood that numerous specific details are set forth in the following description in order to provide a thorough understanding of the invention, however, the invention may be practiced in other ways than those specifically described herein, and thus the scope of the invention is not limited by the specific embodiments disclosed below.

Meanwhile, the terms "upper", "lower", "left", "right", "middle", "front", "rear", and the like in the present specification indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, the present invention provides a head connecting structure 100 for a wheelchair, wherein a head 200 is detachably mounted on the wheelchair 300 through the connecting structure 100. The connecting structure 100 is simple in structure, small in size and small in mass, and the head 200 and the wheelchair 300 can be easily assembled through the connecting structure 100, so that the wheelchair 300 is changed into an electric tricycle, and a user can conveniently go out in a long distance.

Referring to fig. 2, 3 and 4, the connection structure 100 includes a first docking assembly 110, the first docking assembly 110 includes a hanger bracket 111, a locking switch 112 and a cable 113, the locking switch 112 is mounted on a handlebar 210 of the locomotive 200, and the locking switch 112 is connected to the hanger bracket 111 through the cable 113. The hanger bracket 111 includes a through hole 1111, and the hanger bracket 111 is fixedly installed on the head pipe 220 of the vehicle 200 through the through hole 1111. The hook rack 111 further comprises a groove 1112, a bolt fixing seat 1113, a bolt 1114 and a limit post 1115 are arranged in the groove 1112, the bolt fixing seat 1113 is installed and fixed on the hook rack 111 through a countersunk bolt 1116, the bolt 1114 is connected with the bolt fixing seat 1113 through a return spring 1117, the bolt 1114 can move up and down in the bolt fixing seat 1113, and the limit post 1115 is fixedly arranged on the hook rack 111 and is located above the front of the bolt 1114 and above the bolt fixing seat 1113 and used for limiting the movable distance of the bolt 1114 in the bolt fixing seat 1113. The rear side of the bolt fixing seat 1113 is also provided with a locking knob 1118 for screwing and fixing the bolt 1114. One end of the cable 113 is fixedly connected to the locking switch 112, and the other end of the cable penetrates through the bolt fixing seat 1113 and the return spring 1117 to be connected to the bolt 1114, so that the bolt 1114 can be pulled to move freely in the bolt fixing seat 1113 by toggling the locking switch 112.

As shown in fig. 2 and with reference to fig. 5, the connecting structure 100 further includes a second docking assembly 120, where the second docking assembly 120 includes a connecting rod 121, a hook 122 and two clamps 123, the hook 122 is rotatably installed in the middle of the connecting rod 121, and the two clamps 123 are respectively installed at the left and right ends of the connecting rod 121 through an adjusting member 124. Referring to fig. 6, the second docking assembly 120 is fixedly mounted on the legs 310 of the wheelchair 300 through the clamp 123. The distance between the two clamps 123 can be adjusted by adjusting the position of the adjusting part 124 on the connecting rod 121 in a left-right movement manner, so that wheelchairs with different leg intervals can be adapted. Further, the clamp 123 can move back and forth in the adjusting member 124 in a telescopic manner, so as to increase the distance between the connecting rod 121 and the wheelchair 300, thereby meeting different requirements.

Referring to fig. 1-7, in practical use, the following operations may be performed in advance: firstly, the first docking assembly 110 is installed on the locomotive 200; the hook 122 of the second docking assembly 120 is then mounted to the hook holder 111. The installation does not need to be disassembled and assembled back and forth after being completed, so that the installation is convenient for practical use. Therefore, the assembly operations that need to be completed are generally used: when a user sits on the wheelchair 300, a caregiver mounts the head 200, which is pre-assembled with the connecting structure 100, on the legs 310 through the clamp 123; then, the user pulls the locking switch 112 and pushes the handle bar 210 forward and upward, and when a click sound that the hook 1221 of the hook 122 slides into the locking tongue 1114 is heard, the locking knob 1118 is tightened to prevent unhooking. At this time, the front wheels of the wheelchair 300 are about 5cm away from the ground, and the head 200 can move the wheelchair 300, so that the wheelchair 300 becomes an electric tricycle.

To sum up, the utility model has the characteristics of small volume and small weight, simple structure compromises the convenience of installing and removing and connection stability, connects locomotive 200 with during wheelchair 300, need not to install the annex on the wheelchair, can not increase the weight of wheelchair itself. The locking switch 112 is mounted on the handlebar 210, so that the user is prevented from bending down, and the locking switch can be conveniently used by a user without strength of the isosceles part of the high paraplegia. Furthermore, in the present invention, the second docking assembly 120 can be adjusted vertically, horizontally and angularly, and is suitable for wheelchairs of different sizes, and has universality.

Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value. The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (9)

1. The utility model provides a locomotive connection structure for wheelchair which characterized in that includes:

the first butt joint assembly comprises a hook frame, a locking switch and a pull cable, and the hook frame is arranged on a vertical pipe of the locomotive through a through hole in the hook frame; the locking switch is connected with the hook frame through the inhaul cable and is arranged on a handlebar of the vehicle head;

and one end of the second butt joint component is connected with the hook frame, and the other end of the second butt joint component is connected with the chair legs of the wheelchair.

2. The vehicle head connecting structure for the wheelchair as claimed in claim 1, wherein the hook frame further comprises a groove, and a bolt fixing seat and a bolt are arranged in the groove.

3. The vehicle head connecting structure for the wheelchair as claimed in claim 2, wherein the bolt fixing seat is fixed on the hook frame through a countersunk bolt, the bolt is connected with the bolt fixing seat through a return spring, and the bolt moves up and down in the bolt fixing seat.

4. The vehicle head connecting structure for the wheelchair as claimed in claim 3, wherein one end of the cable is fixedly connected to the locking switch, and the other end of the cable penetrates through the lock tongue fixing seat and the return spring to be connected with the lock tongue.

5. The vehicle head connecting structure for the wheelchair as claimed in claim 3, wherein a limiting column is arranged above the front of the lock tongue, the limiting column is fixedly arranged on the hook frame and above the lock tongue fixing seat, and is used for limiting the movable distance of the lock tongue in the lock tongue fixing seat.

6. The vehicle head connecting structure for the wheelchair as claimed in claim 2, wherein a locking knob is further provided at a rear side of the locking tongue fixing seat for screwing and fixing the locking tongue.

7. The vehicle head connecting structure for the wheelchair as claimed in claim 1, wherein the second docking assembly comprises a connecting rod, a hook and clamps, the hook is rotatably mounted in the middle of the connecting rod, the two clamps are respectively mounted at the left end and the right end of the connecting rod through adjusting pieces, and the second docking assembly is fixedly mounted on the chair legs through the clamps.

8. The vehicle head connecting structure for the wheelchair as claimed in claim 7, wherein the adjusting member moves left and right on the link to adjust a distance between the two clamps.

9. The vehicle head connecting structure for the wheelchair as claimed in claim 7, wherein the clamp is telescopically moved back and forth in the adjusting member to increase a distance between the link and the wheelchair.

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