Adjustable pedal and wheelchair

By designing adjustable foot pedals on a wheelchair, the combined structure of transverse support rods, suspension parts, height adjustment rods, C-shaped tubes and L-shaped support rods can be used to adjust the height and length of the foot pedals, solving the problem that users with different leg lengths in the prior art cannot meet the problem and improving the comfort of use.

CN223208616UActive Publication Date: 2025-08-12YOULEBU REHABILITATION EQUIP (KUNSHAN) CO LTD
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Patent Information

Application Number
CN202422192638.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-08-12
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

The pedals of existing wheelchairs cannot be adjusted in height and length, which cannot meet the needs of users with different leg lengths, resulting in discomfort.

Method used

An adjustable foot pedal is designed, and the height and length of the foot pedal is adjusted through a combined structure of the transverse support rod, suspension part, height adjustment rod, C-shaped tube, L-shaped support rod and foot pedal body, and adjustable by the connection between bolts and nuts.

Benefits of technology

Meet the needs of users with different legs, avoid discomfort, and improve the practicality of wheelchair cars.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wheelchairs, and particularly discloses an adjustable pedal and a wheelchair, the adjustable pedal comprises a transverse support rod and two suspension parts, and first round holes are formed in the lower side walls of the two suspension parts; a plurality of transverse through holes are formed in the peripheries of the two height adjusting rods in the height direction of the height adjusting rods, bolts are arranged on the two suspension parts and penetrate through the first round holes and the through holes, two insertion pipes are arranged in the C-shaped pipe in an outward extending mode, and second round holes are formed in the peripheries, extending out of the C-shaped pipe, of the two insertion pipes respectively; the transverse parts of the two L-shaped supporting rods are inserted into the two inserting pipes correspondingly, bolts are screwed to the outer portions of the two inserting pipes correspondingly, and the bolts penetrate through the second round holes and the third round holes to be fixed to the transverse parts of the two L-shaped supporting rods. The situation that a user feels uncomfortable during use is avoided, and compared with the prior art, the method has high practicability.
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Description

Technical Field

[0001] The present application relates to the technical field of wheelchairs, and in particular to an adjustable foot pedal and a wheelchair. Background Art

[0002] Wheelchairs are commonly used medical rehabilitation assistive devices for patients with limited mobility or the elderly. As society becomes increasingly progressive, research and production of wheelchairs, a common medical rehabilitation assistive device that facilitates the use of patients and the elderly, is increasing, and a wide variety of wheelchairs with various functions have appeared on the market.

[0003] The footrests designed for wheelchairs on the market cannot be adjusted in height and length for users of different heights. As a result, people with long legs find it uncomfortable to use the footrests, while people with short legs cannot place their feet on the footrests.

[0004] In order to solve the above problems, the present application discloses an adjustable foot pedal. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the present application discloses an adjustable footrest and a wheelchair.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the present application is: an adjustable footrest, comprising: a transverse support rod, the transverse support rod being a part of the frame of the wheelchair;

[0007] Two suspension parts, the two suspension parts are sleeved on the transverse support rod, and the lower side walls of the two suspension parts are each provided with a first circular hole;

[0008] Two height adjustment rods, each having a plurality of transverse through holes formed along its height direction, the two height adjustment rods being respectively disposed within the two sets of suspension parts, the two suspension parts being provided with bolts passing through the first circular hole and the through hole, and the ends of the two bolts being respectively screwed with nuts to secure the two suspension parts to the two height adjustment rods;

[0009] A C-shaped tube, wherein two inserting tubes are provided extending outward from the interior of the C-shaped tube, and the two inserting tubes are respectively provided with a second circular hole on the circumference side extending out of the C-shaped tube;

[0010] Two L-shaped support rods, the vertical parts of the two L-shaped support rods are detachably fixed to the bottoms of the two height adjustment rods, and the transverse parts of the two L-shaped support rods are respectively provided with several third circular holes along their length directions. The transverse parts of the two L-shaped support rods are respectively inserted into the two inserting tubes and the outsides of the two inserting tubes are respectively screwed with bolts that pass through the second circular holes and the third circular holes to be fixed to the transverse parts of the two L-shaped support rods.

[0011] The pedal body is fixed on the upper part of the C-shaped tube.

[0012] Further preferably, the suspension portion includes two suspension plates, and the lower side walls of the two suspension plates are each provided with a first circular hole.

[0013] Further preferably, the height adjustment rod is provided between two suspension plates.

[0014] It is further preferred that an inverted L-shaped block is fixed to the bottom of the height adjustment rod, a positive L-shaped block is fixed to the top of the L-shaped support rod, a fourth circular hole is provided on the vertical side wall of the inverted L-shaped block, and a fifth circular hole is provided on the vertical part of the positive L-shaped block. The positive L-shaped block and the inverted L-shaped block are spliced together, and bolts are provided on the outside of the inverted L-shaped block to pass through the fourth circular hole and the fifth circular hole, and nuts are screwed on the ends of the bolts to fix the inverted L-shaped block and the positive L-shaped block.

[0015] It is further preferred that the two insertion tubes are arranged parallel to each other, and at least one reinforcement rod is connected between the two insertion tubes.

[0016] Further preferably, the upper surface of the pedal body is provided with a water groove and a plurality of anti-slip protrusions.

[0017] A wheelchair comprises the adjustable foot pedal as described in any one of the above items.

[0018] This application achieves the following beneficial effects:

[0019] The foot pedal designed in this application can be adjusted in height and length, meeting the needs of users with different leg lengths and avoiding discomfort when users use it. Compared with the existing technology, it has higher practicality.

[0020] Other features and advantages of the present application will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present application. The purpose and other advantages of the present application can be realized and obtained through the structures indicated in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure of the present application and, together with the description, serve to explain the principles of the disclosure.

[0022] Figure 1 A schematic diagram of the overall structure disclosed in this application;

[0023] Figure 2 This is a schematic diagram of the explosion structure disclosed in this application;

[0024] Figure 3 This is a schematic diagram of the structure of the wheelchair disclosed in this application;

[0025] In the figure: 10, horizontal support rod; 20, suspension portion; 21, suspension plate; 211, first circular hole; 30, height adjustment rod; 31, through hole; 32, inverted L-shaped block; 40, C-shaped tube; 50, insert tube; 51, second circular hole; 60, L-shaped support rod; 61, third circular hole; 62, regular L-shaped block; 70, pedal body; 71, drainage groove; 72, anti-slip protrusion; 80, reinforcement rod; 90, bolt. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0027] In the description of the present application, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present application.

[0028] Example

[0029] In order to solve the problem that the wheelchair footrest in the prior art cannot be adjusted in height and length, and cannot meet the needs of users with different leg lengths, reference Figure 1 and Figure 2 As shown, the present application discloses an adjustable footrest, comprising: a transverse support rod 10, which is a part of the frame of the wheelchair;

[0030] Two suspension parts 20, the two suspension parts 20 are separately sleeved on the horizontal support rod 10, and the lower side walls of the two suspension parts 20 are each provided with a first circular hole 211;

[0031] Two height adjustment rods 30, each having a plurality of transverse through holes 31 extending along its height direction. The two height adjustment rods 30 are respectively disposed within the two sets of suspension parts 20. Bolts 90 are provided on each of the two suspension parts 20, passing through the first circular holes 211 and the through holes 31. Nuts are screwed onto the ends of the two bolts 90 to secure the two suspension parts 20 to the two height adjustment rods 30.

[0032] A C-shaped tube 40 is provided with two insert tubes 50 extending outward from the interior of the C-shaped tube 40. The two insert tubes 50 are respectively provided with second circular holes 51 on the circumference of the extending side of the C-shaped tube 40.

[0033] Two L-shaped support rods 60, the vertical parts of the two L-shaped support rods 60 are respectively detachably fixed to the bottoms of the two height adjustment rods 30, and the lateral parts of the two L-shaped support rods 60 are respectively provided with several third circular holes 61 along their length directions. The lateral parts of the two L-shaped support rods 60 are respectively inserted into the two insert tubes 50 and the outsides of the two insert tubes 50 are respectively screwed with bolts 90 that pass through the second circular holes 51 and the third circular holes 61 to be fixed to the lateral parts of the two L-shaped support rods 60.

[0034] The pedal body 70 is fixed on the top of the C-shaped tube 40 .

[0035] When adjusting the height of the pedal body 70 , the user can pass the bolt 90 through the first circular hole 211 and lock it into the through hole 31 at different positions;

[0036] When adjusting the length of the pedal body 70 , the user passes the bolt 90 through the second circular hole 51 and locks it into the third circular hole 61 at different positions.

[0037] In one specific embodiment, the suspension part 20 of the present application includes two suspension plates 21, the lower side walls of the two suspension plates 21 are each provided with a first circular hole 211, and the height adjustment rod 30 is arranged between the two suspension plates 21. In this way, the two suspension parts 20 can stably and highly secure the two height adjustment rods 30.

[0038] In order to install the height adjustment rod 30 and the L-shaped support rod 60, the present application fixes an inverted L-shaped block 32 at the bottom of the height adjustment rod 30, and fixes a positive L-shaped block 62 at the top of the L-shaped support rod 60. A fourth circular hole (not marked) is provided on the vertical side wall of the inverted L-shaped block 32, and a fifth circular hole (not marked) is provided on the vertical part of the positive L-shaped block 62. The positive L-shaped block 62 and the inverted L-shaped block 32 are spliced together, and a bolt 90 is provided on the outside of the inverted L-shaped block 32 to pass through the fourth circular hole and the fifth circular hole, and a nut is screwed on the end of the bolt 90 to fix the inverted L-shaped block 32 and the positive L-shaped block 62.

[0039] In one of the preferred embodiments, the two cannulas 50 of the present application are arranged parallel to each other, and at least one reinforcement rod 80 is connected between the two cannulas 50, so that the C-shaped tube 40 will not be easily deformed when subjected to external force and has strong stability.

[0040] In addition to the above structure, the upper surface of the pedal body 70 of the present application is provided with a drainage groove 71 and several anti-slip protrusions 72. If it encounters rain, the pedal body 70 of the present application can quickly drain water and also play an anti-slip role, which is highly practical.

[0041] refer to Figure 3As shown, the present application also claims protection for a wheelchair comprising an adjustable footrest as described in any one of the above.

[0042] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0043] The above embodiments are intended only to illustrate the technical concepts and features of this application. Their purpose is to enable those skilled in the art to understand the content of this application and implement it accordingly. They are not intended to limit the scope of protection of this application. Any equivalent changes or modifications made in accordance with the spirit of this application shall be included in the scope of protection of this application.

Claims

1. An adjustable foot pedal, characterized in that: include: A transverse support rod (10), wherein the transverse support rod (10) is a part of the frame of the wheelchair; Two suspension parts (20), the two suspension parts (20) are separately sleeved on the transverse support rod (10), and the lower side walls of the two suspension parts (20) are both provided with a first circular hole (211); Two height adjustment rods (30), each of which has a plurality of transverse through holes (31) along its height direction, are provided. The two height adjustment rods (30) are respectively arranged inside the two sets of suspension parts (20). The two suspension parts (20) are both provided with bolts (90) passing through the first circular hole (211) and the through hole (31). The ends of the two bolts (90) are respectively screwed with nuts to fix the two suspension parts (20) and the two height adjustment rods (30). A C-shaped tube (40), wherein two inserting tubes (50) are provided extending outward from the interior of the C-shaped tube (40), and the two inserting tubes (50) are respectively provided with second circular holes (51) on the circumferential sides extending out of the C-shaped tube (40); Two L-shaped support rods (60), the vertical parts of the two L-shaped support rods (60) are respectively detachably fixed to the bottoms of the two height adjustment rods (30), the lateral sides of the two L-shaped support rods (60) are respectively provided with a plurality of third circular holes (61) along the length direction thereof, the lateral parts of the two L-shaped support rods (60) are respectively inserted into the two insertion tubes (50), and the exteriors of the two insertion tubes (50) are respectively screwed with bolts (90) passing through the second circular holes (51) and the third circular holes (61) to be fixed to the lateral parts of the two L-shaped support rods (60); A pedal body (70) is fixed above the C-shaped tube (40).

2. The adjustable foot pedal according to claim 1, characterized in that: The suspension portion (20) comprises two suspension pieces (21), and the lower side walls of the two suspension pieces (21) are each provided with a first circular hole (211).

3. The adjustable foot pedal according to claim 2, characterized in that: The height adjustment rod (30) is arranged between the two suspension plates (21).

4. The adjustable foot pedal according to claim 1, characterized in that: An inverted L-shaped block (32) is fixed to the bottom of the height adjustment rod (30), and a positive L-shaped block (62) is fixed to the top of the L-shaped support rod (60). A fourth circular hole is opened on the vertical side wall of the inverted L-shaped block (32), and a fifth circular hole is opened on the vertical part of the positive L-shaped block (62). The positive L-shaped block (62) and the inverted L-shaped block (32) are spliced together. A bolt (90) is provided on the outside of the inverted L-shaped block (32) and passes through the fourth circular hole and the fifth circular hole. The end of the bolt (90) is screwed with a nut to fix the inverted L-shaped block (32) and the positive L-shaped block (62).

5. The adjustable foot pedal according to claim 1, characterized in that: The two insertion tubes (50) are arranged parallel to each other, and at least one reinforcement rod (80) is connected between the two insertion tubes (50).

6. The adjustable foot pedal according to claim 1, characterized in that: The upper surface of the pedal body (70) is provided with a drainage groove (71) and a plurality of anti-slip protrusions (72).

7. A wheelchair, characterized in that: Comprising the adjustable foot pedal according to any one of claims 1-6.