Supporting assembly of stair-climbing wheelchair

Abstract

The utility model discloses a supporting assembly of a stair climbing wheelchair, which comprises a supporting piece and a connecting piece, the connecting piece is adjustably arranged on the supporting piece, the connecting piece is provided with a third connecting hole, the supporting piece is provided with a second connecting hole, and the connecting piece is provided with a second connecting hole. The fixing piece can penetrate through the third connecting holes and the second connecting holes so that the connecting piece can be installed on the supporting piece, and the number of the third connecting holes is multiple. The wheelchair has the advantages that the supporting height of the wheelchair can be adjusted according to postures of different old people through the supporting piece with the multiple first connecting holes and the connecting piece with the multiple third connecting holes, 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.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wheelchair part technical field, concretely relates to a support assembly of stair climbing wheelchair. BACKGROUND

[0002] Now's old people's home or maintenance center undertakes many old people's auxiliary work, and many old people must use a wheelchair to walk or exercise, for the auxiliary mechanism, it is impossible to use a new wheelchair to walk for each old person, but each old person is different for personal body condition, and the height or length requirement of the required wheelchair is also different, but most of the current wheelchair frame is not adjustable, therefore, it is very necessary to design a support assembly capable of adjusting the 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.

[0004] In order to achieve the above object, the utility model provides the following technical scheme:

[0005] The utility model provides a support assembly of stair climbing wheelchair, including support piece and connecting piece, the connecting piece adjustable installation on 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 connecting 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 a 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 second connecting hole is an internal thread hole.

[0013] Preferably, the first connecting hole is a rotation-stopping hole.

[0014] The beneficial effect is that the support member provided with the plurality of first connecting holes and the connecting member provided with the 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, and the front-to-back size can be adjusted by adjusting the second connecting hole of the support member and the third connecting hole of the connecting member, so that the structure is simple and convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. 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.

[0016] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0017] Figure 2 is a schematic diagram of the structure of the support member of the present application;

[0018] Figure 3 is a schematic diagram of the structure of the connecting member of the present application:

[0019] Figure 4 is a schematic diagram of the structure of the present application in use.

[0020] The following is an explanation of the reference signs:

[0021] 1, support member; 101, first connecting hole; 102, second connecting hole; 103, mounting groove; 104, first boss; 2, connecting member; 201, second boss; 202, third connecting hole; 203, support groove; 204, support part; 3, support; 4, driving shaft. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme of the present application will be described in detail below. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0023] Referring to Figures 1-4The utility model provides a support assembly of stair -climbing wheelchair, including support piece 1 and connecting piece 2, connecting piece 2 adjustable installation on support piece 1.

[0024] In the embodiment, the connecting piece 2 is provided with a third connecting hole 202, the support piece 1 is provided with a second connecting hole 102, and a fixing member can pass through the third connecting hole 202 and the second connecting hole 102 to mount the connecting piece 2 on the support piece 1. The third connecting hole 202 is multiple, and the relative position of the third connecting hole 202 and the second connecting hole 102 can be adjusted as needed to further adjust the front and back of the seat.

[0025] In the embodiment, the support piece 1 is provided with a first connecting hole 101, the first connecting hole 101 is multiple, and the first connecting hole 101 is used for mounting a connecting drive shaft 4. The overall gravity center height can be reduced as needed to make the seat more stable and firm.

[0026] In the embodiment, the support piece 1 is further provided with a mounting groove 103, the connecting piece 2 is provided with a second boss 201, and the second boss 201 cooperates with the mounting groove 103.

[0027] In the embodiment, the support piece 1 is further provided with a first boss 104, the connecting piece 2 is provided with a support part 204, the support part 204 cooperates with the first boss 104, and the cooperation of the support part 204 and the first boss 104 can increase the contact area of the connection and the firmness of the connection.

[0028] In the embodiment, the connecting piece 2 is provided with a support groove 203, the support groove 203 is U-shaped, and a support 3 is installed in the support groove 203. The U-shaped structure can directly install the support 3 in the U-shaped structure, and the installation operation is convenient.

[0029] In the embodiment, the number of the second connecting hole 102 is at least two, and at least two can ensure the reliability of the connection.

[0030] In the embodiment, the second connecting hole 102 is an internal thread hole.

[0031] In the embodiment, the first connecting hole 101 is a rotation-stopping hole, which can cooperate with the shaft of the drive shaft 4. The shaft is provided with a step, so that the support plate can not rotate relative to the drive shaft 4.

[0032] The beneficial effect lies in: the support piece 1 provided with multiple first connecting holes 101 and the connecting piece 2 provided with multiple third connecting holes 202 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 101, and the adjustment of the front and back sizes can be completed by adjusting the second connecting hole 102 of the support piece 1 and the third connecting hole 202 of the connecting piece 2, so that the structure is simple and the operation is convenient.

[0033] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A support assembly for a stair climbing wheelchair, characterised in that: The support and the connecting piece are provided, and the connecting piece is adjustably mounted on the support; The connecting piece is provided with a third connecting hole, the support is provided with a second connecting hole, a fixing piece can pass through the third connecting hole and the second connecting hole to mount the connecting piece on the support, and the third connecting hole is multiple; The support is provided with a first connecting hole, the first connecting hole is multiple, and the first connecting hole is used for mounting a connecting driving shaft.

2. The support assembly of claim 1, wherein: The support 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.

3. The support assembly of claim 2, wherein: The support is further provided with a first boss, the connecting piece is provided with a supporting part, and the supporting part and the first boss are matched.

4. The support assembly of claim 3, wherein: The connecting piece is provided with a supporting groove, the supporting groove is U-shaped, and a bracket is mounted in the supporting groove.

5. The support assembly of claim 1, wherein: The number of the second connecting hole is at least two.

6. The support assembly of claim 5, wherein: The second connecting hole is an internally threaded hole.

7. The support assembly of claim 1, wherein: The first connecting hole is a rotation-stopping hole.

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