CN214967924U

CN214967924U - Adjustable wheelchair pedal

Info

Publication number: CN214967924U
Application number: CN202120405919.4U
Authority: CN
Inventors: 朱荣明; 郝欢; 曹义东
Original assignee: Xi'an Xing Qiu Tong Equipment Technology Co ltd
Current assignee: Xi'an Xing Qiu Tong Equipment Technology Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-12-03
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to the technical field of wheelchair pedals, in particular to an adjustable wheelchair pedal, which comprises a frame, a pedal, a sliding seat and a leg pad, and further comprises a lifting mechanism, wherein the lifting mechanism comprises a guide block, a guide rod, a fixed seat and a telescopic rod, the pedal is hinged with the bottom of the sliding seat, the leg pad is connected with the sliding seat, the leg pad and the pedal are arranged on the front side of the sliding seat, the fixed seat is arranged on the back side of the sliding seat, the guide block is arranged on two sides of the fixed seat, a through hole is arranged on the guide block, the guide rod passes through the guide block along the through hole, the bottom of the guide rod is connected with the fixed seat, the top of the guide rod is connected with the fixed seat, the telescopic rod is arranged inside the fixed seat, the bottom of the telescopic rod is connected with the sliding seat, the top of the telescopic rod is connected with the fixed seat, and the top of the fixed seat is connected with the frame; make the height of running-board can carry out infinitely variable control according to user's actual conditions through increasing elevating system, satisfy user's demand, increase humanized design, improve application scope.

Description

Adjustable wheelchair pedal

Technical Field

The utility model relates to a wheelchair footboard technical field, specificly relate to a wheelchair running-board with adjustable.

Background

With the increasing age of people, all functions of the body gradually age, are influenced by chronic diseases, and the dependence degree on action auxiliary tools is increased increasingly due to the aggravation of traffic accidents, natural disasters, personal accidents and aging trends, so that the electric wheelchair becomes the most popular and practical wheelchair product with the advantages of high-performance power, intelligent operation, safety, reliability and humanization.

Electric wheelchairs generally have a foot pedal at the front for supporting the foot, and the foot pedal is divided into a fixed type and an adjustable type according to whether the foot pedal can be adjusted or not. In the existing electric wheelchair, the pedals with fixed structures are common, and the length and the angle of the pedals cannot be adjusted, so that the electric wheelchair cannot be suitable for the physical conditions of most people; the adjustable pedal is generally adjusted by manual or mechanical pushing, and although the purpose of adjustment can be achieved, the adjustable pedal is time-consuming and labor-consuming, and even needs other equipment for auxiliary operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wheelchair running-board with adjustable solves among the prior art problem that the flexible regulation of running-board is wasted time and energy.

The technical scheme for achieving the aim comprises the following steps: an adjustable wheelchair pedal comprises a frame, a pedal, a sliding seat and a leg pad, and is characterized by further comprising a lifting mechanism, wherein the lifting mechanism comprises a guide block, a guide rod, a fixed seat and a telescopic rod;

the frame is located the top of running-board, sliding seat, leg pad and elevating system, the running-board is articulated with the sliding seat bottom, the leg pad is connected with the sliding seat to the leg pad all establishes in the front of sliding seat with the running-board, the fixing base is established at the back of sliding seat, the guide block symmetry is established in the fixing base both sides, has seted up vertical through-hole on the guide block, the guide bar passes the guide block along vertical through-hole, and the guide bar bottom is connected with the fixing base, and the guide bar top is connected with the fixing base, the telescopic link is established at the fixing base inboard, and the telescopic link bottom is connected with the sliding seat, and the telescopic link top is connected with the fixing base, and the top and the vehicle frame of fixing base are connected.

The adjustable wheelchair pedal further comprises a turning block and a connecting block, the turning block is arranged on two sides of the top end of the fixing seat, the rotating end of the connecting block is arranged on the inner side of the fixing seat, two sides of the rotating end of the connecting block are rotatably connected with the fixing seat, the fixed end of the connecting block is connected with a frame, and the fixing seat is connected with the frame through a power device.

Further inject, the connecting block both sides all are equipped with the pivot, pivot one end is rotated with the fixing base and is connected, and the pivot other end passes through the pin and is connected with the connecting block.

Further inject, the sliding seat is including articulated seat, articulated seat is established in the bottom of sliding seat to the front end and the rear end of articulated seat are located the sliding seat both sides respectively, and the otic placode hole has all been seted up to the front end and the rear end of articulated seat, and articulated seat rear end passes through the otic placode hole and is connected with the telescopic link, and articulated seat front end passes through the otic placode hole and is articulated mutually with the pedal plate, and articulated seat front end bottom is equipped with horizontal baffle, the pedal plate is established in the baffle top.

Further limiting, the baffle is arranged in parallel with the hinged seat, and the rotation angle of the pedal is 0-90 degrees.

Further limiting, sliding plates are arranged on two sides of the sliding seat and are vertically connected with the sliding seat, and the leg pads are connected with the sliding seat through the sliding plates.

Further, the telescopic rod is a controllable gas spring.

Further, the guide block is a box-type sliding block.

The utility model has the advantages that:

1. the height of the pedal can be adjusted in an infinite way by adding the lifting mechanism according to the actual condition of a user, so that the requirements of the user are met, the humanized design is increased, and the application range is widened;

2. the angle of the pedal plate and the leg pad is adjusted through the turnover block, different use requirements of different users are met, the adjustment is convenient and fast, the operation difficulty is reduced, and the use portability is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic partial structure diagram of an embodiment of the present invention;

fig. 3 is a schematic structural view of a sliding seat according to an embodiment of the present invention;

FIG. 4 is a partial cross-sectional view of the top end of the mounting base in accordance with an embodiment of the present invention;

in the figure: 1-a vehicle frame; 2-leg pad; 3-leg pad mounting plate; 4-a guide block; 5-a guide rod; 6, fixing a frame; 7-a fixed seat; 8, a telescopic rod; 9-a sliding seat; 91-a sliding plate; 92-a hinged seat; 10-a foot pedal; 11-turning over the block; 12-connecting blocks; 13-limit pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: an adjustable wheelchair pedal comprises a frame 1, a pedal 10, a leg pad 2, a sliding seat 9, a turning block 11, a connecting block 12, a hinged seat 92 and a lifting mechanism, wherein the lifting mechanism comprises a guide block 4, a guide rod 5, a fixed seat 7 and a telescopic rod 8.

Sliding seat 9 is the rectangle structure, and the symmetry both sides of sliding seat 9 are equipped with sliding plate 91, and sliding plate 91 accessible is connected with sliding seat 9 welded mode, perhaps forms sliding plate 91 through buckling sliding seat 9 symmetry both sides, and sliding plate 91 and sliding seat 9 are mutually perpendicular, and leg pad 2 is connected with sliding plate 91 through leg pad mounting panel 3, and leg pad 2 is located the front of sliding seat 9 and sets up with sliding seat 9 parallel.

Articulated seat 92 is established in 9 bottom intermediate positions of sliding seat, articulated seat 92 both ends are located the both sides of sliding seat 9, the otic placode hole has all been seted up with the front end to the rear end of articulated seat 92, articulated seat 92 rear end is passed through the otic placode hole and is connected with 8 bottoms of telescopic link, telescopic link 8 can select the air spring, the model can select SPR10-06, the front end of articulated seat 92 is equipped with the baffle, baffle and articulated seat 92 parallel arrangement, articulated seat 92 is articulated with running-board 10 through the otic placode hole, carry on spacingly through the baffle to running-board 10, make running-board 10 can realize 0 ~ 90 arbitrary upset.

Fixing base 7 is located the back of sliding seat 9, and guide block 4 is located the both sides of fixing base 7, and guide block 4 is connected with sliding seat 9, has seted up vertical through-hole on the guide block 4, and guide block 4 is optional to be box slider, and the model is optional to be SMYC12LUU, and guide bar 5 bottom passes guide block 4 and is connected with fixing base 7 through mount 6 along vertical through-hole, and the top of guide bar 5 is connected with fixing base 7's top.

The telescopic link 8 is located the inboard of fixing base 7, and the top of telescopic link 8 is connected with fixing base 7 for sliding seat 9 can drive guide block 4 along guide bar 5 reciprocating motion from top to bottom under the control of telescopic link 8, thereby drives running-board 10 and leg pad 2 flexible.

Upset piece 11 quantity is two and establishes the outside both sides on fixing base 7 top, and upset piece 11 comprises connecting rod and connecting pipe, and connecting rod quantity is two, and connecting pipe quantity is 1, and the connecting pipe is hollow pipe, and the one end of two connecting rods and the top fixed connection of connecting pipe, the other end pass through drive arrangement and are connected with frame 1, the stiff end and the fixing base 7 fixed connection of connecting pipe, and the connected mode all can select for use the welded mode to be connected.

The driving device comprises a guiding telescopic rod and an electric push rod, the model of the electric push rod can be selected from HF-TGE, the model of the guiding telescopic rod can be selected from YQ16, and the turnover blocks 11 on the two outer sides of the top end of the fixed seat 7 are respectively connected with the telescopic rod and the electric push rod in a one-to-one correspondence manner;

connecting block 12 rotates the end and is located the inboard of fixing base 7, connecting block 12 rotates the both sides of end and passes through the articulated shaft and is connected with 7 rotations of fixing base, the one end of articulated shaft is passed fixing base 7 and is extended to the inside of connecting pipe, the articulated shaft passes through the bearing and is connected with 7 rotations of fixing base, the other end of articulated shaft passes through spacing pin 13 and is connected with the rotation end of connecting block 12, the stiff end of connecting block 12 is connected with frame 1, make electric putter promote upset piece 11 and drive fixing base 7 and rotate around the articulated shaft, thereby drive running-board 10 and leg pad 2 and rotate, the direction telescopic link plays the guide effect, realize the angle modulation function.

The working principle is as follows: before using, with running-board 10 upset down to the level, telescopic link 8 is in not telescopic state, the user sits the wheelchair afterwards, puts the foot on running-board 10, relies on the gravity of shank and foot to make running-board 10 drive sliding seat 9 and slide downwards, needs manual regulation when avoiding using, reduces the regulation degree of difficulty, satisfies user's user demand simultaneously.

To the user that needs fixed angle to the shank, need adjust the push rod in advance when using, drive fixing base 7 tilting through upset piece 11, and then drive running-board 10 and leg pad 2 and carry out angle modulation, satisfy different use objects, improve application range.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An adjustable wheelchair pedal comprises a frame (1), a pedal (10), a sliding seat (9) and a leg pad (2), and is characterized by further comprising a lifting mechanism, wherein the lifting mechanism comprises a guide block (4), a guide rod (5), a fixed seat (7) and a telescopic rod (8);

the frame (1) is positioned above the pedal (10), the sliding seat (9), the leg pads (2) and the lifting mechanism, the pedal (10) is hinged to the bottom of the sliding seat (9), the leg pads (2) are connected with the sliding seat (9), the leg pads (2) and the pedal (10) are arranged on the front face of the sliding seat (9), the fixing seat (7) is arranged on the back face of the sliding seat (9), the guide blocks (4) are symmetrically arranged on two sides of the fixing seat (7), vertical through holes are formed in the guide blocks (4), the guide rods (5) penetrate through the guide blocks (4) along the vertical through holes, the bottoms of the guide rods (5) are connected with the fixing seat (7), the tops of the guide rods (5) are connected with the fixing seat (7), the telescopic rods (8) are arranged on the inner side of the fixing seat (7), the bottoms of the telescopic rods (8) are connected with the sliding seat (9), and the tops of the telescopic rods (8) are connected with the fixing seat (7), the top of the fixed seat (7) is connected with the frame (1).

2. The adjustable wheelchair footboard of claim 1, further comprising a turning block (11) and a connecting block (12), wherein the turning block (11) is arranged on two sides of the outside of the top end of the fixed seat (7), the rotating end of the connecting block (12) is arranged on the inner side of the fixed seat (7), two sides of the rotating end of the connecting block (12) are rotatably connected with the fixed seat (7), the fixed end of the connecting block (12) is connected with the frame (1), and the fixed seat (7) is connected with the frame (1) through a power device.

3. The adjustable wheelchair footrest according to claim 2, wherein two sides of the connecting block (12) are provided with a rotating shaft, one end of the rotating shaft is rotatably connected with the fixed seat (7), and the other end of the rotating shaft is connected with the connecting block (12) through a pin (13).

4. The adjustable wheelchair footboard of claim 3, wherein the sliding seat (9) comprises a hinged seat (92), the hinged seat (92) is arranged at the bottom of the sliding seat (9), the front end and the rear end of the hinged seat (92) are respectively arranged at two sides of the sliding seat (9), the front end and the rear end of the hinged seat (92) are respectively provided with an ear plate hole, the rear end of the hinged seat (92) is connected with the telescopic rod (8) through the ear plate hole, the front end of the hinged seat (92) is hinged with the footboard (10) through the ear plate hole, the bottom of the front end of the hinged seat (92) is provided with a horizontal baffle, and the footboard (10) is arranged above the baffle.

5. The adjustable wheelchair footrest of claim 4, wherein the baffles are arranged parallel to the hinge base (92) and the rotation angle of the footrest (10) is 0-90 °.

6. The adjustable wheelchair footrest according to any one of claims 1 to 5, characterized in that sliding plates (91) are provided on both sides of the sliding seat (9), the sliding plates (91) are vertically connected to the sliding seat (9), and the leg pad (2) is connected to the sliding seat (9) via the sliding plates (91).

7. The adjustable wheelchair footrest according to claim 6, characterized in that the extension rod (8) is a controllable gas spring.

8. The adjustable wheelchair footrest according to claim 6, characterized in that the guide blocks (4) are box-type slides.