Support structure for wheelchair

By designing an adjustable wheelchair support structure, and utilizing multiple connecting holes and bosses in the support and connector components, the height and front-to-back dimensions of the wheelchair can be adjusted, solving the problem of the non-adjustable nature of existing wheelchair supports and improving the wheelchair's applicability and stability.

CN223746589UActive Publication Date: 2026-01-02SHENZHEN WEILANDA ROBOT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423169563.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-01-02
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Most existing wheelchairs have non-adjustable frames, making it impossible to adapt to the different physical conditions of elderly people and thus preventing personalized adjustments to height and length.

Method used

Design a support structure for wheelchairs, including a support component and a bracket assembly. The support height and front-to-back dimensions are adjustable through the cooperation of multiple connecting holes and bosses of the support and connectors. The bracket assembly includes an upper armrest support tube, a connecting support, a rear support tube, and a lower support tube, which are installed in different connecting holes via a drive shaft for adjustment.

Benefits of technology

It enables flexible adjustment of wheelchair support height and front-to-back dimensions to meet the physical needs of different elderly people. Its simple structure and easy operation improve its stability and applicability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a support structure for a wheelchair, which comprises a support component and a support component, and the support component is mounted on a driving shaft through the support component. The supporting assembly comprises a supporting piece and a connecting piece, and the connecting piece is adjustably installed on the supporting piece. The wheelchair has the advantages that the supporting assembly is formed by the supporting piece with the multiple first connecting holes and the connecting piece with the multiple third connecting holes, a user can adjust the supporting height of the wheelchair according to the postures of different old people, and the height of the whole wheelchair can be adjusted by installing the driving shaft in the different first connecting holes; through adjustment of the second connecting hole of the supporting piece and the third connecting hole of the connecting piece, front-back size adjustment can be completed, the structure is simple, and operation is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a wheelchair technical field, concretely relates to a support structure for wheelchair. BACKGROUND

[0002] With the development of society, the aging is more and more serious, and the old-age support becomes a big problem of society, and the old-age support agency or maintenance center bears a lot of old-age support auxiliary work, and a lot of old people must use a wheelchair to walk or exercise, for the auxiliary agency, it is impossible to use a new wheelchair to walk for each old person, but each old person is different for personal physical condition, and the height or length requirement of required wheelchair is also different, but most of the wheelchair frame at present is not adjustable, therefore it is very necessary to design a support assembly of adjustable support. UTILITY MODEL CONTENT

[0003] The utility model discloses a purpose in order to solve the above -mentioned problem and provides, see the elaboration below in detail.

[0004] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] The utility model provides a support structure for wheelchair, including support assembly and support assembly, the support assembly is installed on the drive shaft through support assembly, the support assembly includes support piece and connecting piece, the connecting piece is adjustably installed on the support piece.

[0006] As preferred, the connecting piece is provided with a third connecting hole, the support piece is provided with a second connecting hole, a fixing piece can pass through the third connecting hole and the second connecting hole to install the connecting piece on the support piece, and the third connecting hole is multiple.

[0007] As preferred, the support piece is provided with a first connecting hole, the first connecting hole is multiple, and the first connecting hole is used to install the drive shaft.

[0008] As preferred, the support piece is further provided with a mounting groove, the connecting piece is provided with a second boss, and the second boss and the mounting groove are matched.

[0009] As preferred, the support piece is further provided with a first boss, the connecting piece is provided with a support part, and the support part and the first boss are matched.

[0010] As preferred, the connecting piece is provided with a support groove, the support groove is U-shaped, and the support is installed in the support groove.

[0011] As preferred, the number of the second connecting hole is at least two.

[0012] As preferred, the support assembly comprises an upper handrail support pipe, a connecting support, a rear support pipe and a lower support pipe; the upper handrail support pipe and the lower support pipe are both two, the two upper handrail support pipes are connected together through the connecting support, and the two lower support pipes are connected together through the connecting support; the rear support pipe is installed at one end of the upper handrail support pipe and the lower support pipe.

[0013] As preferred, a pedal is further included; the pedal is installed on the upper handrail support pipe through a connecting pipe.

[0014] As preferred, a bottom plate is further included, and the bottom plate is installed between the two lower support pipes.

[0015] As preferred, the second connecting hole is an internally threaded hole.

[0016] As preferred, the first connecting hole is a rotation-stopping hole.

[0017] The beneficial effect is that: the support assembly formed by the support piece provided with a plurality of first connecting holes and the connecting piece provided with a plurality of third connecting holes can adjust the support height of the wheelchair according to the body state of different old people, the height of the whole wheelchair can be adjusted by installing the driving shaft in different first connecting holes, the front and back sizes can be adjusted through the second connecting hole of the support piece and the third connecting hole of the connecting piece, and the structure is simple and convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 is a structure schematic view of the use state of the present application;

[0020] Figure 2 is a structure schematic view of the use state of the present application without wheels;

[0021] Figure 3 is a three-dimensional structure schematic view of the present application;

[0022] Figure 4 is a structure schematic view of the support piece of the present application;

[0023] Figure 5 is a structure schematic view of the connecting piece of the present application.

[0024] The following is the explanation of the reference signs:

[0025] 1, support assembly; 101, support; 1012, first connecting hole; 1012, second connecting hole; 1013, mounting groove; 1014, first boss; 102, connecting piece; 1021, second boss; 1022, third connecting hole; 1023, support groove; 1024, support part; 2, upper handrail branch pipe; 3, rear support pipe; 4, drive shaft; 5, pedal; 6, bottom plate; 7, lower support pipe; 8, connecting support. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making creative labor belong to the scope protected by the utility model.

[0027] Referring to Figures 1-5 The utility model provides a kind of support structure for wheelchair, including support assembly 1 and support assembly, the support assembly 1 is installed on drive shaft 4 by the support assembly 1;The support assembly 1 includes support 101 and connecting piece 102, the connecting piece 102 is adjustably installed on the support 101.

[0028] In the embodiment, the connecting piece 102 is provided with third connecting hole 1022, the support 101 is provided with second connecting hole 1012, fixing piece can pass through third connecting hole 1022 and second connecting hole 1012 to install connecting piece 102 on support 101, and third connecting hole 1022 is multiple, the relative position of third connecting hole 1022 and second connecting hole 1012 can be adjusted as required, to further adjust the front and back of seat.

[0029] In the embodiment, the support 101 is provided with first connecting hole 1012, the first connecting hole 1012 is multiple, and the first connecting hole 1012 is used to install and connect drive shaft 4, the height of gravity of whole can be reduced as required, to make seat more stable and firm.

[0030] In the embodiment, the support 101 is further provided with mounting groove 1013, the connecting piece 102 is provided with second boss 1021, and the second boss 1021 cooperates with the mounting groove 1013.

[0031] In the embodiment, the support piece 101 is further provided with a first boss 1014, the connecting piece 102 is provided with a support part 1024, the support part 1024 cooperates with the first boss 1014; the cooperation of the support part 1024 and the first boss 1014 can increase the contact area of the connection, and meanwhile, the firmness of the connection is increased.

[0032] In the embodiment, the connecting piece 102 is provided with a support groove 1023, the support groove 1023 is U-shaped, and the bracket is installed in the support groove 1023; the U-shaped structure can directly install the bracket in the U-shaped structure, and the installation operation is convenient.

[0033] In the embodiment, the number of the second connecting holes 1012 is at least two.

[0034] In the embodiment, the bracket assembly comprises upper handrail support pipes 2, connecting supports 8, rear support pipes 3 and lower support pipes 7; the upper handrail support pipes 2 and the lower support pipes 7 are both two, the two upper handrail support pipes 2 are connected together through the connecting supports 8, the two lower support pipes 7 are connected together through the connecting supports 8, and the rear support pipes 3 are installed at one end of the upper handrail support pipes 2 and the lower support pipes 7; the connection between the upper handrail support pipes 2, the connecting supports 8, the rear support pipes 3 and the lower support pipes 7 can be fixed connection or detachable connection.

[0035] In the embodiment, a pedal 5 is further included; the pedal 5 is installed on the upper handrail support pipe 2 through a connecting pipe, and the connection can be detachable connection or fixed connection.

[0036] In the embodiment, a bottom plate 6 is further included; the bottom plate 6 is installed between the two lower support pipes 7.

[0037] In the embodiment, the second connecting hole 1012 is an internal thread hole.

[0038] In the embodiment, the first connecting hole 1012 is a rotation-stopping hole; the shaft of the driving shaft 4 can be matched with the rotation-stopping hole, and the shaft is provided with a step, so that the rotation of the support plate relative to the driving shaft 4 can be prevented.

[0039] The support assembly 1 formed by the support piece 101 provided with a plurality of first connecting holes 1012 and the connecting piece 102 provided with a plurality of third connecting holes 1022 can adjust the support height of the wheelchair according to the body state of different old people, the height of the whole wheelchair can be adjusted by installing the driving shaft 4 in different first connecting holes 1012, the front-rear size can be adjusted through the adjustment of the second connecting hole 1012 of the support piece 101 and the third connecting hole 1022 of the connecting piece 102, and the structure is simple and the operation is convenient.

[0040] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A support structure for a wheelchair, characterized by: The support assembly comprises a support member and a connecting member, the connecting member is adjustably mounted on the support member; The connecting member is provided with third connecting holes, the support member is provided with second connecting holes, a fixing member can pass through the third connecting holes and the second connecting holes to mount the connecting member on the support member, and the third connecting holes are multiple; The support member is provided with first connecting holes, the first connecting holes are multiple, and the first connecting holes are used to mount the driving shaft.

2. The support structure for a wheelchair according to claim 1, characterized by: The support member is further provided with a mounting groove, the connecting member is provided with a second boss, and the second boss and the mounting groove are matched.

3. The support structure for a wheelchair according to claim 2, characterized in that: The support member is further provided with a first boss, the connecting member is provided with a support part, and the support part and the first boss are matched.

4. The support structure for a wheelchair according to claim 3, characterized in that: The connecting member is provided with a support groove, the support groove is U-shaped, and a bracket is mounted in the support groove.

5. The support structure for a wheelchair according to claim 4, characterized in that: The number of the second connecting holes is at least two.

6. The support structure for a wheelchair according to any one of claims 1 to 5, characterized in that: The bracket assembly comprises upper handrail support pipes, connecting supports, a rear support pipe and lower support pipes; the upper handrail support pipes and the lower support pipes are both two, the two upper handrail support pipes are connected together through the connecting supports, the two lower support pipes are connected together through the connecting supports, and the rear support pipe is mounted at one end of the upper handrail support pipes and the lower support pipes.

7. The support structure for a wheelchair according to claim 6, characterized in that: A pedal is further included, and the pedal is mounted on the upper handrail support pipes through a connecting pipe.

8. The support structure for a wheelchair according to claim 7, characterized in that: A bottom plate is further included, and the bottom plate is mounted between the two lower support pipes.