CN215020789U

CN215020789U - Wheelchair armrest quick detach structure

Info

Publication number: CN215020789U
Application number: CN202121618010.3U
Authority: CN
Inventors: 曹红花
Original assignee: Jiangsu Changrui Machinery Co ltd
Current assignee: Jiangsu Changrui Machinery Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-12-07
Anticipated expiration: 2031-07-15

Abstract

The utility model relates to the technical field of wheelchair devices, in particular to a wheelchair armrest quick-release structure, two grab bars are arranged in a relative position through a telescopic component, a connecting component is detachably arranged on a wheelchair through the connecting component, and one side of the grab bar close to one of the grab bars is provided with a foldable table lying component; the telescopic part comprises a first telescopic rod and a second telescopic rod, the first telescopic rod is arranged on one of the grab bar through a first installation rod, the second telescopic rod is arranged on the other grab bar through a second installation rod, a connection cavity is arranged in the second telescopic rod, and the end part of the first telescopic rod is telescopic while the second telescopic rod is connected with the connection cavity. Twist and move adapting unit and dismantle the handrail pole from the wheelchair, can conveniently dismantle, can shorten the distance between the handrail pole through flexible part to practice thrift the space of putting, simultaneously, also can fold the table part of lying prone of opening.

Description

Wheelchair armrest quick detach structure

Technical Field

The utility model relates to a technical field of wheelchair device, concretely relates to wheelchair handrail rapid disassembly structure.

Background

Wheelchairs are important tools for rehabilitation, not only for physically disabled and handicapped persons, but more importantly for them to exercise physically and participate in social activities with the aid of wheelchairs, it is important to provide appropriately positioned armrests attached to the wheelchairs, which provide good stability. The handrail mounting structure on current wheelchair is complicated, has reduced the installation effectiveness, consequently, the utility model designs a wheelchair handrail rapid disassembly structure.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem in this application, the utility model provides a wheelchair handrail rapid disassembly structure.

The utility model provides a following technical scheme: a wheelchair armrest quick-release structure comprises armrest rods, telescopic parts, connecting parts and a table-lying part, wherein the two armrest rods are arranged in opposite positions through the telescopic parts, the armrest rods are detachably arranged on a wheelchair through the connecting parts, and the table-lying part is foldable on one side close to one of the armrest rods; the telescopic part comprises a first telescopic rod and a second telescopic rod, the first telescopic rod is arranged on one of the grab bar through a first installation rod, the second telescopic rod is arranged on the other grab bar through a second installation rod, a connection cavity is arranged in the second telescopic rod, and the end part of the first telescopic rod is telescopic while the second telescopic rod is connected with the connection cavity.

Preferably, keep away from on the first telescopic link bar one end is equipped with first installation cavity, keep away from on the second telescopic link bar one end is equipped with the second installation cavity, the second installation cavity communicate in connect the chamber, be equipped with the connecting pin in the first installation cavity, the connecting pin bottom through spring coupling in the bottom of first installation cavity.

Preferably, the upper end surface of the connecting pin is arc-shaped, and the lower end opening of the second mounting cavity is arc-shaped.

Preferably, two the terminal surface respectively is equipped with one under the bar adapting unit, adapting unit includes the bracing piece, screws up cover and connecting rod, the bracing piece is vertical install the lower part of bar, connecting rod upper portion rotatable connect in the lower part of bracing piece, the connecting rod with the junction of bracing piece is equipped with and drives connecting rod pivoted screw up the cover.

Preferably, the upper portion of connecting rod is equipped with circular ball, the lower part of bracing piece be equipped with the ball matches roll the chamber, the connecting rod lower part is equipped with the external screw thread.

Preferably, the tightening sleeve has a cylindrical shape, and is connected to the connecting rod by a mounting plate.

Preferably, one of them the lower part of handrail pole is equipped with the assembly pole, the table part of lying prone folding is installed on the assembly pole.

Preferably, the table part of lying prone includes head rod, second connecting rod and table, be equipped with first installation piece, second installation piece from last to down in proper order on the assembly pole, the one end of head rod articulates in first installation piece, its other end fixed connection in the table, the third installation piece is installed to the lower extreme of table, the one end of second connecting rod articulate in second installation piece, its other end detachable articulate in third installation piece.

Preferably, the third mounting block is provided with a connecting groove, one side of the third mounting block is provided with a first through hole, the second connecting rod is provided with a second through hole, and the first through hole and the second through hole are provided with matched bolts.

The utility model relates to a wheelchair handrail rapid disassembly structure, its beneficial effect lies in: twist and move adapting unit and dismantle the handrail pole from the wheelchair, can conveniently dismantle, can shorten the distance between the handrail pole through flexible part to practice thrift the space of putting, simultaneously, also can fold the table part of lying prone of opening.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a wheelchair;

FIG. 2 is a schematic top view of the grab bar of the present embodiment;

FIG. 3 is a schematic side view of the grab bar of the device of the present invention;

fig. 4 is a schematic view of the installation structure of the bending table component of the device of the present invention;

FIG. 5 is a schematic view of the assembly structure of the end of the second connecting rod and the third mounting block in the device of the present invention;

FIG. 6 is an enlarged partial schematic view at A of FIG. 1;

labeled as: 1. a grab rail; 101. assembling a rod; 2. a telescopic member; 21. a first telescopic rod; 22. a second telescopic rod; 3. a connecting member; 31. a support bar; 32. screwing the sleeve; 33. a connecting rod; 4. a table-bending component; 41. a first connecting rod; 42. a second connecting rod; 43. a table plate; 5. a first mounting bar; 6. a second mounting bar; 7. a connecting cavity; 8. a first mounting cavity; 9. a second mounting cavity; 10. a spring; 11. screwing the sleeve; 12. a ball bearing; 13. a rolling cavity; 14. mounting a plate; 15. a first mounting block; 16. a second mounting block; 17. a third mounting block; 18. connecting grooves; 19. a bolt; 20. and (7) connecting pins.

Detailed Description

The conception, the specific structure and the technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.

The following describes preferred embodiments of the present invention in detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, a wheelchair armrest quick release structure comprises two armrest rods 1, telescopic parts 2, connecting parts 3 and a table bending part 4, wherein the two armrest rods 1 are arranged at opposite positions through the telescopic parts 2, the armrest rods 1 are detachably mounted on a wheelchair through the connecting parts 3, and one side close to one of the armrest rods 1 is provided with the foldable table bending part 4; the telescopic part 2 comprises a first telescopic rod 21 and a second telescopic rod 22, the first telescopic rod 21 is arranged below one of the grab bar 1 through a first mounting rod 15, the second telescopic rod 22 is arranged below the other grab bar 1 through a second mounting rod 16, a connecting cavity 7 is formed in the second telescopic rod 22, and the end part of the first telescopic rod 21 can be telescopic in the connecting cavity 7 of the second telescopic rod 22. During the installation, the relative motion of two handspikes 1 of pulling, first telescopic link 21 removes in the connection chamber 7 of second telescopic link 22, makes the interval grow between the handrail 1, makes whole handrail 1 install the wheelchair through adapting unit 3 on, during the use, can open the folding table part 4 of lying prone. During the dismantlement, twist and move adapting unit 3 and dismantle handrail pole 1 from the wheelchair, can shorten the distance between the handrail pole 1 through flexible part 2 to practice thrift the space of putting, simultaneously, also can be with the table part of lying prone of opening folding.

Keep away from on the first telescopic link 21 1 one end of bar is equipped with first installation cavity 8, keep away from on the second telescopic link 22 1 one end of bar is equipped with second installation cavity 9, second installation cavity 9 communicate in connect the cavity 7, be equipped with connecting pin 20 in the first installation cavity 8, connecting pin 20 bottom through spring 10 connect in the bottom of first installation cavity 8. The upper end surface of the connecting pin 20 is arc-shaped, and the lower end opening of the second mounting cavity 9 is arc-shaped. When the grab bar 1 is pulled to enable the distance between the grab bar and the grab bar to be larger, the connecting pin 20 moves along with the first telescopic rod 21 in the connecting cavity 7, and when the first mounting cavity 8 and the second mounting cavity 9 are aligned, the top end of the connecting pin 20 is bounced into the second mounting cavity 9 under the action of the spring 10, so that the first telescopic rod 21 is locked on the second telescopic rod 22; after the grab bars are disassembled, the distance between the grab bars 1 is shortened, the connecting pin 20 is pressed to enable the first telescopic rod 21 to be telescopic in the connecting cavity 7, the upper end face of the connecting pin 20 and the lower port of the second mounting cavity 9 are arc-shaped, and when one telescopic rod 21 is pushed, the connecting pin 20 which can be convenient slides into the connecting cavity.

Two the terminal surface respectively is equipped with one under the bar 1 adapting unit 3, adapting unit 3 includes bracing piece 31, screws up cover 32 and connecting rod 33, the bracing piece 31 is vertical install the lower part of bar 1, connecting rod 33 upper portion rotatable connect in the lower part of bracing piece 31, connecting rod 33 with the junction of bracing piece 31 is equipped with and drives connecting rod 33 pivoted screw up cover 32. The upper portion of connecting rod 33 is equipped with circular ball 12, the lower part of bracing piece 31 is equipped with ball 12 matches roll chamber 13, the connecting rod 33 lower part is equipped with the external screw thread. The tightening sleeve 32 is cylindrical and is connected to the connecting rod 33 by the mounting plate 14. When the grab rail 1 is installed, the connecting rod 33 is aligned with the installation hole on the wheelchair, and the tightening sleeve is screwed to drive the connecting rod 33 to rotate in the installation hole, so that the connecting rod 33 can be in threaded connection with the installation hole.

One of them the lower part of handrail pole 1 is equipped with assembly pole 101, table part 4 folding the installation of lying prone is in on the assembly pole 101. The table part 4 of lying prone includes head rod 41, second connecting rod 42 and table 43, be equipped with first installation piece 15, second installation piece 16 from last to down in proper order on the assembly pole 101, the one end of head rod 41 articulates in first installation piece 15, its other end fixed connection in table 43, third installation piece 17 is installed to the lower extreme of table 43, the one end of second connecting rod 42 articulate in second installation piece 16, its other end detachable articulate in third installation piece 17. The third mounting block 17 is provided with a connecting groove 18, one side of the connecting groove is provided with a first through hole, the second connecting rod 42 is provided with a second through hole, and the first through hole and the second through hole are provided with a matched bolt 19. When it is desired to open the table 43, the end of the second connecting rod 42 is inserted into the connecting slot 18, the first and second insertion holes are aligned, and the latch 19 is inserted into the first and second insertion holes.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wheelchair armrest quick-release structure is characterized by comprising two armrest rods, telescopic parts, connecting parts and a lying table part, wherein the two armrest rods are arranged in opposite positions through the telescopic parts; the telescopic part comprises a first telescopic rod and a second telescopic rod, the first telescopic rod is arranged on one of the grab bar through a first installation rod, the second telescopic rod is arranged on the other grab bar through a second installation rod, a connection cavity is arranged in the second telescopic rod, and the end part of the first telescopic rod is telescopic while the second telescopic rod is connected with the connection cavity.

2. The wheelchair armrest quick-release structure of claim 1, wherein a first mounting cavity is formed in one end of the first telescopic rod, which is far away from the armrest rod, a second mounting cavity is formed in one end of the second telescopic rod, which is far away from the armrest rod, the second mounting cavity is communicated with the connecting cavity, a connecting pin is arranged in the first mounting cavity, and the bottom of the connecting pin is connected to the bottom of the first mounting cavity through a spring.

3. The wheelchair armrest quick-release structure of claim 2, wherein the upper end surface of the connecting pin is arc-shaped, and the lower port of the second mounting cavity is arc-shaped.

4. The wheelchair armrest rapid disassembly structure of claim 1, wherein the connecting member is disposed on each of the lower end surfaces of the two armrest rods, and comprises a supporting rod, a tightening sleeve and a connecting rod, the supporting rod is vertically disposed on the lower portion of the armrest rod, the upper portion of the connecting rod is rotatably connected to the lower portion of the supporting rod, and the tightening sleeve is disposed at the joint of the connecting rod and the supporting rod for driving the connecting rod to rotate.

5. The wheelchair armrest quick release structure of claim 4, wherein the upper part of the connecting rod is provided with a round ball, the lower part of the supporting rod is provided with a rolling cavity matched with the ball, and the lower part of the connecting rod is provided with an external thread.

6. The wheelchair armrest quick release structure of claim 4 or 5 wherein the tightening sleeve is cylindrical and is connected to the connecting rod by a mounting plate.

7. The wheelchair armrest quick release structure of claim 1, wherein a mounting rod is provided at a lower portion of one of the armrest rods, and the bending table member is foldably mounted on the mounting rod.

8. The wheelchair armrest quick-release structure of claim 7, wherein the lying table component comprises a first connecting rod, a second connecting rod and a table plate, the assembling rod is sequentially provided with a first mounting block and a second mounting block from top to bottom, one end of the first connecting rod is hinged to the first mounting block, the other end of the first connecting rod is fixedly connected to the table plate, a third mounting block is mounted at the lower end of the table plate, one end of the second connecting rod is hinged to the second mounting block, and the other end of the second connecting rod is detachably hinged to the third mounting block.

9. The wheelchair armrest quick release structure of claim 8 wherein the third mounting block is provided with a connecting slot, one side of the third mounting block is provided with a first insertion hole therethrough, the second connecting rod is provided with a second insertion hole, and the first insertion hole and the second insertion hole are provided with matching pins.