CN221162018U - Wheelchair front wheel mechanism with adjusting structure - Google Patents
Wheelchair front wheel mechanism with adjusting structure Download PDFInfo
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- CN221162018U CN221162018U CN202323303570.1U CN202323303570U CN221162018U CN 221162018 U CN221162018 U CN 221162018U CN 202323303570 U CN202323303570 U CN 202323303570U CN 221162018 U CN221162018 U CN 221162018U
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- deflection
- rotary drum
- front wheel
- supporting
- wheelchair
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- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 230000007704 transition Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a wheelchair front wheel mechanism with an adjusting structure, which comprises a clamping and connecting component, a transfer supporting component, a bearing and adapter component, a deflection bearing component, a deflection positioning component and a support walking component.
Description
Technical Field
The utility model relates to a wheelchair, in particular to a wheelchair front wheel mechanism with an adjusting structure.
Background
Patent document CN213553033U discloses a front wheel structure of a wheelchair, which comprises a pair of front wheel frame connecting arms and a pair of front wheel frames, wherein the upper ends of the pair of front wheel frame connecting arms are hinged with the front parts of two sides of a seat frame, the upper parts of the pair of front wheel frames are connected with the lower ends of the pair of front wheel frame connecting arms through front wheel frame transitional connecting mechanisms, a front wheel is rotatably arranged on each of the pair of front wheel frames, a front wheel frame shaft hole is respectively arranged at the middle position of the top of the pair of front wheel frames, a connecting arm joint is respectively fixed at the lower ends of the pair of front wheel frame connecting arms, and the front wheel frame transitional connecting mechanisms are connected between the front wheel frame shaft hole and the connecting arm joint, so that the prior art is abandoned, the front wheel frames are fixedly connected with the front parts of two sides of the seat frame in a welding mode, the front wheel frame connecting arms and the front wheel frames can be conveniently manufactured and are in detachable connection which is beneficial to maintenance, and the front wheel frames and the folding of the front wheel frames relative to the seat frame can not be interfered. However, the connecting arm of the front wheel is a fixed structure, so that the angle and the height of the connecting arm cannot be adjusted according to the actual situation of a rider. Therefore, it is necessary to optimize its structure to overcome the above drawbacks.
Disclosure of utility model
The utility model aims to provide a wheelchair front wheel mechanism with an adjusting structure, so as to improve the use flexibility.
The utility model adopts the technical proposal for solving the technical problems that:
A wheelchair front wheel mechanism having an adjustment structure comprising:
A clamp engagement member that is form-fit with the wheelchair frame, mountable in the wheelchair frame by a connector;
a transfer support member connected to the clamp engagement member, the transfer support member being operable to support the wheelchair frame via the clamp engagement member;
A socket-and-spigot member connected to the adaptor bracket member and having a spigot space therein;
a deflection carrying member mounted in the socket member by a rotating structure, deflectable in the socket member and carrying the switch bracket member by the socket member;
A deflection positioning member located between the deflection carrying member and the bearing adapter member, the deflection angle of the deflection carrying member being positioned by the deflection positioning member;
and a supporting walking member connected with the deflection bearing member and adapted with the bearing adapter member, which can deflect together with the deflection bearing member and support the deflection bearing member.
Specifically, the sandwiching the engagement member includes:
The clamping hoop is vertically arranged, the diameter of the clamping hoop is larger than that of the wheelchair frame, the clamping hoop can be clamped on the wheelchair frame, an expansion joint is formed in the side wall of the clamping hoop, and the expansion joint is locked and fixed through a locking bolt.
The transfer bracket member includes:
And the supporting vertical arm is formed at the side part of the clamping hoop and extends obliquely downwards to the clamping hoop, and supports the wheelchair frame through the clamping hoop.
The socket adapter member includes:
The rotary drum bearing shell is formed at the bottom of the supporting vertical arm, is transversely arranged, forms a matching space in the rotary drum bearing shell, is provided with a clearance gap on the side wall, extends along the circumferential direction of the rotary drum bearing shell, is communicated with the matching space, and is matched with the supporting walking member in shape.
The deflection carrying member comprises:
and the deflection end shaft is arranged in the rotary drum bearing shell, can deflect in the rotary drum bearing shell, is provided with a joint opening at the middle part, corresponds to the clearance gap in position and is matched with the shape of the supporting travelling member.
The deflection positioning member includes:
The positioning side edge is formed at one end of the deflection end shaft, extends along the circumferential direction of the deflection end shaft, protrudes along the radial direction to the outer side of the deflection end shaft and can deflect along with the deflection end shaft;
The movable ribs are provided with a group, each movable rib is respectively formed on the inner wall of the positioning side edge, extends along the radial direction of the movable flange, protrudes outwards along the axial direction of the movable flange, is sequentially arranged along the circumferential direction of the movable flange, and a gap is reserved between every two adjacent movable flanges;
The fixed ribs are provided with a group, each fixed rib is formed at one end of the rotary drum bearing shell, extends along the radial direction of the rotary drum bearing shell, protrudes outwards along the axial direction of the rotary drum bearing shell, is sequentially arranged along the circumferential direction of the rotary drum bearing shell, gaps are reserved between adjacent fixed ribs, when the deflection end shaft is arranged in the rotary drum bearing shell, the positioning side edges are abutted against the end part of the rotary drum bearing shell, the movable flange is meshed with the fixed ribs, and the deflection angles of the deflection end shaft are positioned by the movable ribs and the fixed ribs;
The locating end piece is arranged at the other end of the rotary drum bearing shell, the diameter of the locating end piece is larger than that of the rotary drum bearing shell, the locating end piece is connected with the deflection end shaft through the locking bolt, and axial pressure is applied to the two ends of the rotary drum bearing shell through the locating end piece and the locating side edge, so that the movable flange is tightly meshed with the fixing convex edge.
The support walking member includes:
The supporting end is vertically arranged, the top of the supporting end extends into the gap of the side wall of the rotary drum bearing shell and is connected to the joint opening of the deflection end shaft, so that the deflection end shaft is fixedly connected with the supporting end;
the walking wheel body is arranged at the bottom of the supporting end head and can move through the walking wheel body.
The utility model has the advantages that:
This front wheel mechanism is through deflecting the angle that the locating component was born the weight of the component to deflecting, and the locating side reason can be accurate fixed deflection angle with the design of movable bead, fixed bead, ensures the positioning accuracy who deflects the bearing component, cooperates the walking wheel body to realize the wheelchair walking, can provide firm support and regulatory function, satisfies the demand of user under different circumstances, improves the travelling comfort and the flexibility of wheelchair.
Drawings
FIG. 1 is a schematic view of a front wheel mechanism of a wheelchair with an adjustment mechanism according to the present utility model;
FIG. 2 is an exploded view of the front wheel mechanism;
FIG. 3 is a schematic structural view of the bearing cartridge housing;
fig. 4 is a schematic structural view of the deflection end shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 4, the wheelchair front wheel mechanism with the adjusting structure provided by the utility model comprises a clamping and jointing member, a transferring and supporting member, a supporting and adapting member, a deflection bearing member, a deflection positioning member and a supporting and walking member, wherein the clamping and jointing member is matched with the wheelchair frame in shape and can be installed in the wheelchair frame through a connecting piece, the transferring and supporting member is connected with the clamping and jointing member, the wheelchair frame can be supported through the clamping and jointing member, the supporting and adapting member is connected with the transferring and supporting member, an adapting space is formed inside the supporting and adapting member, the deflection bearing member is installed in the supporting and adapting member through a rotating structure, can deflect in the supporting and adapting member, and bears the transferring and supporting member through the supporting and adapting member, the deflection positioning member is positioned between the deflection bearing member and the supporting and adapting member, and the supporting and walking member is connected with the deflection bearing member and adapting member, and can deflect along with the deflection bearing member.
In this embodiment, the clamping engagement member includes a clamping hoop 100, which is disposed vertically, has a diameter larger than that of the wheelchair frame, and is clampable to the wheelchair frame, and has an expansion joint formed in a side wall thereof, and is fastened and fixed at the expansion joint by a locking bolt.
The transfer support member includes support arms 200 formed at the sides of the clamping hoop and extending obliquely downward of the clamping hoop, which support the wheelchair frame through the clamping hoop.
The socket-rotor coupling member includes a socket-rotor housing 300 formed at the bottom of the supporting upright arm and arranged in a lateral direction, forming a coupling space therein, and a socket-rotor housing sidewall provided with a socket-rotor gap 310 extending in the circumferential direction of the socket-rotor housing and communicating with the coupling space in a shape adapted to the supporting traveling member.
The deflecting carrier comprises a deflecting end shaft 400 mounted in the casing, deflectable in the casing, and provided with an engagement opening 410 in the middle, which corresponds in position to the clearance gap and is adapted in shape to the supporting running member.
The deflection positioning member includes a positioning side edge 510, a movable rib 520, a fixing rib 530 and a positioning end piece 540, wherein the positioning side edge is formed at one end of the deflection end shaft, extends along the circumferential direction of the deflection end shaft, protrudes along the outer side of the deflection end shaft in the radial direction, and can deflect along with the deflection end shaft, the movable rib is provided with a group, each movable rib is respectively formed on the inner wall of the positioning side edge, extends along the radial direction of the movable flange, protrudes outwards along the axial direction of the movable flange, is sequentially arranged along the circumferential direction of the movable flange, a gap is reserved between adjacent movable flanges, the fixing rib is provided with a group, each fixing rib is respectively formed at one end of the rotation end shaft, extends along the radial direction of the rotation end shaft, protrudes outwards along the axial direction of the rotation end shaft, is sequentially arranged along the circumferential direction of the rotation end shaft, a gap is reserved between the adjacent fixing ribs, when the deflection end shaft is installed in the rotation end shaft, the positioning side edge is propped against the end of the rotation end shaft, the movable flange and the fixing rib are mutually meshed, the movable flange positions the deflection angle of the deflection shaft by the movable flange and the fixing rib, the positioning end piece is installed at the other end of the rotation end shaft, the diameter of the rotation end shaft is larger than the rotation end shaft, the rotation end shaft is tightly meshed with the positioning end bolt through the two opposite rotation end bolts, and the two fixing flanges are tightly meshed with the positioning end bolts.
The supporting running component comprises a supporting end 610 and a running wheel body 620, wherein the supporting end is vertically arranged, the top of the supporting end extends into the gap of the side wall of the rotary drum shell and is connected into the joint opening of the deflection end shaft, so that the deflection end shaft is fixedly connected with the supporting end, and the running wheel body is arranged at the bottom of the supporting end and can move through the running wheel body.
In this embodiment, a spacer body 630 is also provided between the bearing ends and the bearing shell to increase the stability of the engagement of the bearing ends with the bearing shell.
In the description of the present utility model, it should be noted that, when terms such as "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships, are to be understood as being based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships conventionally put in use of the inventive product, or the orientations or positional relationships conventionally understood by those skilled in the art, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, when used herein, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "mounted," "configured," and "connected" are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Claims (7)
1. A wheelchair front wheel mechanism having an adjustment mechanism, comprising:
A clamp engagement member that is form-fit with the wheelchair frame, mountable in the wheelchair frame by a connector;
a transfer support member connected to the clamp engagement member, the transfer support member being operable to support the wheelchair frame via the clamp engagement member;
A socket-and-spigot member connected to the adaptor bracket member and having a spigot space therein;
a deflection carrying member mounted in the socket member by a rotating structure, deflectable in the socket member;
A deflection positioning member located between the deflection carrying member and the bearing adapter member, the deflection angle of the deflection carrying member being positioned by the deflection positioning member;
And a supporting running member connected with the deflection bearing member and adapted with the bearing adapter member, and capable of deflecting together with the deflection bearing member.
2. The wheelchair front wheel mechanism of claim 1 wherein the clamping engagement member comprises:
the clamping hoop is vertically arranged, the diameter of the clamping hoop is larger than that of the wheelchair frame, the clamping hoop can be clamped on the wheelchair frame, and the side wall of the clamping hoop is provided with expansion joints.
3. A wheelchair front wheel mechanism with adjustment mechanism according to claim 2 wherein the transition support member comprises:
And the supporting vertical arm is formed at the side part of the clamping hoop and extends obliquely downwards to the clamping hoop, and supports the wheelchair frame through the clamping hoop.
4. A wheelchair front wheel mechanism with adjustment structure according to claim 3 wherein the socket adapter member comprises:
The rotary drum bearing shell is formed at the bottom of the supporting vertical arm, is transversely arranged, forms a matching space in the rotary drum bearing shell, is provided with a clearance gap on the side wall, extends along the circumferential direction of the rotary drum bearing shell, is communicated with the matching space, and is matched with the supporting walking member in shape.
5. The wheelchair front wheel mechanism of claim 4 wherein the yaw bearing member comprises:
and the deflection end shaft is arranged in the rotary drum bearing shell, can deflect in the rotary drum bearing shell, is provided with a joint opening at the middle part, corresponds to the clearance gap in position and is matched with the shape of the supporting travelling member.
6. The wheelchair front wheel mechanism of claim 5 wherein the yaw alignment member comprises:
A positioning side edge formed at one end of the deflection end shaft, extending in a circumferential direction of the deflection end shaft, and protruding radially outward of the deflection end shaft;
The movable ribs are provided with a group, each movable rib is respectively formed on the inner wall of the positioning side edge, extends along the radial direction of the movable flange, protrudes outwards along the axial direction of the movable flange, is sequentially arranged along the circumferential direction of the movable flange, and a gap is reserved between every two adjacent movable flanges;
The fixed ribs are provided with a group, each fixed rib is formed at one end of the rotary drum shell, extends along the radial direction of the rotary drum shell, protrudes outwards along the axial direction of the rotary drum shell, and is sequentially arranged along the circumferential direction of the rotary drum shell, gaps are reserved between adjacent fixed ribs, and the movable flanges and the fixed ribs are meshed with each other;
And the positioning end piece is arranged at the other end of the rotary drum bearing shell, has a diameter larger than that of the rotary drum bearing shell and is jointed with the deflection end shaft through a locking bolt.
7. The wheelchair front wheel mechanism of claim 5 wherein supporting the running gear comprises:
The supporting end is vertically arranged, and the top of the supporting end extends into the gap of the side wall of the rotary drum bearing shell and is connected to the joint opening of the deflection end shaft;
the walking wheel body is arranged at the bottom of the supporting end head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323303570.1U CN221162018U (en) | 2023-12-05 | 2023-12-05 | Wheelchair front wheel mechanism with adjusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323303570.1U CN221162018U (en) | 2023-12-05 | 2023-12-05 | Wheelchair front wheel mechanism with adjusting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221162018U true CN221162018U (en) | 2024-06-18 |
Family
ID=91530696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323303570.1U Active CN221162018U (en) | 2023-12-05 | 2023-12-05 | Wheelchair front wheel mechanism with adjusting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221162018U (en) |
-
2023
- 2023-12-05 CN CN202323303570.1U patent/CN221162018U/en active Active
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