Pedal assembly and wheelchair with same
By introducing a detection part and a reset member into the wheelchair pedal assembly, the automatic reset function is realized, which solves the problem of manual reset in the prior art, and improves the user experience and equipment applicability.
Patent Information
- Application Number
- CN202411453983.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-17
- Publication Date
- 2024-12-27
AI Technical Summary
The existing wheelchair pedal assembly needs to be reset manually after use, which affects the user's convenience, especially for users with limited mobility, it is difficult for them to reset.
A pedal assembly including a base, a foot pedal part, a plurality of reset parts and a detection part is designed. The detection part detects the usage of the foot pedal part. When the detection result is less than a predetermined value, the first reset part drives the foot pedal part. Perform axial reset to achieve automatic reset.
It improves the automatic reset capability of the pedal assembly, improves the user experience and convenience, meets the user's needs, and ensures the applicability and comfort of the pedal assembly.
Smart Images

Figure CN119184979A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of wheelchairs, and in particular to a pedal assembly and a wheelchair having the pedal assembly. Background Art
[0002] In the prior art, when a user uses a wheelchair, the user sits on the wheelchair body and then places the foot on the pedal assembly. The relative position of the pedal in the pedal assembly is adjusted to improve the comfort of the user using the wheelchair. In the prior art, when the user finishes using the wheelchair, the position of the pedal needs to be manually reset by the user. However, the user of the wheelchair is often not very mobile, which affects the convenience of using the wheelchair. If the direct reset is adopted, the user's use demand of the wheelchair will be affected. Summary of the invention
[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the present invention is to provide a pedal assembly, wherein the pedal assembly is provided with a plurality of reset members to achieve the reset of the pedal assembly, so as to facilitate the subsequent use of the pedal assembly. In addition, the use of the pedal assembly is detected by the detection unit, so that when the detection result on the pedal portion is detected to be less than a predetermined value, it is suitable to indicate that the pedal portion can be reset, and therefore the first reset member is used to reset the pedal portion, so that the automatic reset use of the pedal assembly can meet the needs of users.
[0004] Another object of the present invention is to provide a wheelchair, wherein the wheelchair is provided with the pedal assembly as shown above.
[0005] According to an embodiment of the present invention, the pedal assembly includes: a base, a pedal portion, a plurality of reset members and a detection portion, wherein the detection portion is arranged on the pedal portion; the plurality of reset members include a first reset member, and the pedal portion is rotatably connected to the base; the detection portion is arranged on the pedal portion; the first reset member is arranged on the base, and the free end of the first reset member is connected to the pedal portion; when the pedal portion rotates, the first reset member elastically deforms, and when the pedal portion stops rotating and the detection result of the detection portion is less than a predetermined value, the first reset member drives the pedal portion to axially reset.
[0006] According to the pedal assembly of the embodiment of the present invention, a plurality of reset members are provided between the pedal part and the base, so that the reset members can drive the pedal part to perform multiple resets after the pedal part is used. While realizing the automatic reset of the pedal assembly, it can also facilitate the subsequent use of the pedal part, so that the user's subsequent use experience of the pedal assembly is improved, and the applicability of the pedal assembly can be improved, so as to better meet the user's use needs. In addition, a first reset member is provided between the base and the pedal part, so that the first reset member can axially reset the pedal part, so that the subsequent use of the pedal part can meet multiple use needs, so that the user's use experience of the pedal assembly is improved. At the same time, a detection part is provided on the pedal part. When the detection result of the detection part is less than a predetermined value, it is suitable to indicate that the pedal part can be reset. Therefore, the first reset member is used to reset the pedal part, so that the automatic reset use of the pedal assembly can meet the user's needs.
[0007] In some embodiments, a first connection portion and a second connection portion are respectively formed at two ends of the first resetting member, the first connection portion is fixedly connected to the base, and the second connection portion is connected to the pedal portion.
[0008] In some embodiments, the first return member is a coil spring.
[0009] In some embodiments, the pedal portion includes a bearing rod and a pedal member, one end of the bearing rod is connected to the base, and the pedal member is rotatably connected to the bearing rod.
[0010] In some embodiments, the supporting rod includes: a first rod body and a second rod body, the first rod body is fixedly connected to the base; the second rod body is connected to the first rod body, and the extension direction of the second rod body is perpendicular to the extension direction of the first rod body, and the foot pedal is rotatably connected to the second supporting rod.
[0011] In some embodiments, it further includes: a limiting member, wherein the limiting member is disposed on the second rod body, and the free end of the limiting member is disposed opposite to the pedal portion, and the limiting member is configured to limit the pedal portion to an initial position.
[0012] In some embodiments, the reset member further includes: a second reset member, the second reset member is fixedly connected in the base, and the free end of the second reset member is arranged opposite to the bearing rod to drive the bearing rod to rotate vertically and reset.
[0013] In some embodiments, the base includes a first connecting rod and a second connecting rod, the second connecting rod is sleeved in the first connecting rod, and the second connecting rod is slidably arranged relative to the first connecting rod, the foot pedal is connected to the second connecting rod and the first reset member is provided in the second connecting rod.
[0014] In some embodiments, the reset member also includes: a third reset member, one end of the second reset member is fixedly connected to the fixed end of the first connecting rod, the other end of the third reset member is fixedly connected to the free end of the second connecting rod, and the third reset member is configured to drive the second connecting rod to vertically reset.
[0015] A wheelchair according to an embodiment of the present invention comprises: the pedal assembly as described above.
[0016] According to the wheelchair of the embodiment of the present invention, a plurality of reset members are provided between the pedal part and the base, so that the plurality of reset members can drive the pedal part to reset in various ways after the pedal part is used. While realizing the automatic reset of the pedal assembly, it can also facilitate the subsequent use of the pedal part, so that the user's subsequent use experience of the pedal assembly is improved, and the applicability of the pedal assembly can be improved, so as to better meet the user's use needs. At the same time, a detection part is provided on the pedal part. When the detection result of the detection part is less than a predetermined value, it is suitable to indicate that the pedal part can be reset. Therefore, the first reset member is used to reset the pedal part, so that the automatic reset of the pedal assembly can meet the user's needs.
[0017] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0019] Figure 1 is a schematic structural diagram of a pedal assembly according to an embodiment of the present invention;
[0020] Figure 2 is a schematic structural diagram of a wheelchair according to an embodiment of the present invention;
[0021] Reference numerals:
[0022] Pedal assembly 10,
[0023] Base 100, first connecting rod 110, second connecting rod 120,
[0024] The pedal part 200, the bearing rod 210, the first rod body 211, the second rod body 212, the pedal member 220,
[0025] Reset member 300, limit member 400,
[0026] The detection unit 500,
[0027] Wheelchair20. DETAILED DESCRIPTION
[0028] Embodiments of the present invention are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. Embodiments of the present invention are described in detail below.
[0029] Reference below Figure 1-Figure 2 The pedal assembly 10 according to the embodiment of the present invention includes a base 100 , a pedal portion 200 , a plurality of reset members 300 and a detection portion 500 .
[0030] Specifically, the pedal portion 200 is rotatably connected to the base 100; the plurality of reset members 300 include a first reset member, which is disposed on the base 100 and a free end of which is connected to the pedal portion 200; the detection portion 500 is disposed on the pedal portion 200, and when the pedal portion 200 rotates, the first reset member elastically deforms, and when the pedal portion 200 stops rotating and the detection result of the detection portion 500 is less than a predetermined value, the first reset member drives the pedal portion 200 to axially reset.
[0031] It should be noted that when the user uses the wheelchair 20, the user is suitable for sitting on the main body of the wheelchair 20, and then placing the feet on the pedal assembly 10, and the relative position of the footrest 200 in the pedal assembly 10 is adjusted to improve the comfort of the user using the wheelchair 20. When the user finishes using the wheelchair 20, the footrest 200 needs to be reset so that the user can continue to use the wheelchair 20. In the prior art, the position of the footrest 200 needs to be manually reset by the user, which affects the convenience of using the wheelchair 20.
[0032] In the present application, a pedal assembly 10 is provided. During the construction of the pedal assembly 10, a footrest 200 is constructed on the base 100. Since the footrest 200 is rotatably connected to the base 100, the user can adjust the position of the footrest 200, so that the user's comfort when using the wheelchair 20 is improved. In other words, when the user sits on the wheelchair 20, the pedal assembly 10 can be adjusted through the footrest 200, so that the user's legs can be better prevented from being on the pedal assembly 10, so as to improve the user's experience of using the pedal assembly 10.
[0033] In addition, the base 100 is also suitable for constructing a plurality of reset members 300. After the user has finished using the pedal part 200, the first reset member is suitable for performing multiple resets on the pedal part 200, so that the pedal part 200 is in a suitable position for subsequent continued use. At the same time, in order to avoid the influence of the reset member 300 on the pedal part 200, a detection unit 500 is provided on the pedal part 200. When the detection result of the detection unit 500 is less than a predetermined value, it is suitable for indicating that the pedal assembly 10 can be reset, so that the first reset member drives the pedal part 200 to reset.
[0034] According to the pedal assembly 10 of the embodiment of the present invention, a plurality of reset members 300 are provided between the pedal portion 200 and the base 100, so that the reset members 300 can drive the pedal portion 200 to perform various resets after the pedal portion 200 is used. While realizing the automatic reset of the pedal assembly 10, it can also facilitate the subsequent use of the pedal portion 200, so that the user's subsequent use experience of the pedal assembly 10 is improved, and the applicability of the pedal assembly 10 can be improved, so as to better meet the user's use needs. In addition, a first reset member is provided between the base 100 and the pedal portion 200, so that the first reset member can axially reset the pedal portion 200, so that the subsequent use of the pedal portion 200 can meet various use needs, so that the user's use experience of the pedal assembly 10 is improved. At the same time, a detection part 500 is provided on the pedal part 200. When the detection result of the detection part 500 is less than a predetermined value, it is suitable to indicate that the pedal part 200 can be reset. Therefore, the first reset member is used to reset the pedal part 200, so that the automatic reset use of the pedal assembly 10 can meet user needs.
[0035] In some embodiments, the first return member is formed with a first connection portion and a second connection portion at both ends, the first connection portion is fixedly connected to the base 100, and the second connection portion is connected to the pedal portion 200. That is to say, during the construction of the first return member, the first connection portion and the second connection portion are also formed at both ends of the first return member, so that the first return member is fixed to the base 100 through the first connection portion, and during the use of the pedal portion 200, the pedal portion 200 is suitable for flipping to drive the first return member to be compressed, and when the user finishes using the pedal portion 200, the first return member is suitable for driving the pedal portion 200 to be reset through the second connection portion, so that the subsequent use of the pedal assembly 10 is simpler and more convenient.
[0036] In some embodiments, the first reset member is a coil spring. Thus, by setting the first reset member as a coil spring, the first reset member has a higher structural reliability, and the first reset member can be deformed more reliably, so that the first reset member can reset the pedal portion 200, so as to facilitate the subsequent use of the pedal assembly 10.
[0037] In some embodiments, the pedal portion 200 includes a load-bearing rod 210 and a pedal member 220, one end of the load-bearing rod 210 is connected to the base 100, and the pedal member 220 is rotatably connected to the load-bearing rod 210. Thus, the pedal portion 200 is suitable for including the pedal member 220 and the load-bearing rod 210, the load-bearing rod 210 is suitable for being connected to the base 100, and the pedal member 220 is suitable for being set according to user needs, so that the user can adjust the sitting posture on the wheelchair 20 through the pedal member 220 to improve comfort.
[0038] In some embodiments, the bearing rod 210 includes: a first rod body 211 and a second rod body 212, the first rod body 211 is fixedly connected to the base 100; the second rod body 212 is connected to the first rod body 211, and the extension direction of the second rod body 212 is perpendicular to the extension direction of the first rod body 211, and the pedal part 200 is rotatably connected to the second bearing rod 210. In other words, the first rod body 211 is suitable for connecting with the base 100, and the second rod body 212 is suitable for providing a position for the rotation setting of the pedal part 200, so that the extension directions of the first rod body 211 and the second rod body 212 are perpendicularly set. In this way, the pedal part 200 can be more reliably set on the bearing rod 210 for use, so that the performance and comfort of the pedal assembly 10 are improved.
[0039] In some embodiments, the pedal assembly 10 further includes: a stopper 400, the stopper 400 is disposed on the second rod body 212, and the free end of the stopper 400 is disposed opposite to the pedal portion 200, and the stopper 400 is configured to limit the pedal portion 200 to an initial position. In this way, by providing the stopper 400 on the second rod body 212, the stopper 400 is disposed opposite to the pedal portion 200, thereby avoiding excessive resetting of the first resetting member during resetting, so that the pedal portion 200 can be relocated to a suitable position for subsequent use, so that the user comfort of the pedal assembly 10 is improved.
[0040] In some embodiments, the pedal assembly 10 further includes: a second reset member, which is fixedly connected to the base 100, and the free end of the second reset member is arranged opposite to the bearing rod 210 to drive the bearing rod 210 to rotate and reset vertically. That is to say, during the use of the pedal assembly 10, it is also suitable to be provided with a second reset member, which is suitable for axially rotating and resetting the bearing rod 210, so that the user can use the pedal assembly 10, and it is also suitable for rotating the footrest 200 outwards, so that the user can get on the wheelchair 20, or the user can get off the wheelchair 20. After meeting the user's use needs, the second reset member is suitable for resetting the bearing rod 210, and the first reset member resets the footrest 200 together, so that the pedal assembly 10 can be reset to the initial position according to the design for subsequent use, so that the user's comfort of using the pedal assembly 10 is improved, thereby improving the user's use experience of the pedal assembly 10.
[0041] In some embodiments, the base 100 includes a first connecting rod 110 and a second connecting rod 120, the second connecting rod 120 is sleeved in the first connecting rod 110, and the second connecting rod 120 is relatively slidably arranged relative to the first connecting rod 110, the footrest 200 is connected to the second connecting rod 120, and a first reset member is arranged in the second connecting rod 120. It is understood that the base 100 is also suitable for including a base 100 body, and when the user uses the pedal assembly 10, it is suitable to sit on the base 100 body, and then place the foot on the footrest 200 and make subsequent adjustments to improve the user's comfort. The lower part of the base 100 body is suitable for constructing the first connecting rod 110 and the second connecting rod 120, the first connecting rod 110 is suitable for connecting to the base 100 body, and the second connecting rod 120 is suitable for connecting to the first connecting rod 110, so that the second connecting rod 120 can adjust its position in a sliding manner, so that the position of the footrest 200 can be adjusted according to the needs of the user, so as to improve the applicability of the pedal assembly 10.
[0042] In some embodiments, the pedal assembly 10 further includes: a third reset member, one end of the second reset member is fixedly connected to the fixed end of the first connecting rod 110, the other end of the third reset member is fixedly connected to the free end of the second connecting rod 120, and the third reset member is configured to drive the second connecting rod 120 to reset vertically. That is to say, after the wheelchair 20 is used, not only can the position of the footrest 200 be reset by the first reset member and the second reset member, but it is also suitable to be provided with a third reset member so that the third reset member can reset the use of the second connecting rod 120, so that the position of the footrest 200 can be restored to the initial position, so that the pedal assembly 10 can be automatically reset, so as to improve the user's comfort.
[0043] The wheelchair 20 according to the embodiment of the present invention comprises: the pedal assembly 10 as described above. Thus, by providing a plurality of reset members 300 between the pedal portion 200 and the base 100, the plurality of reset members 300 can drive the pedal portion 200 to perform multiple resets after the pedal portion 200 is used. While realizing the automatic reset of the pedal assembly 10, it can also facilitate the subsequent use of the pedal portion 200, so that the user's subsequent use experience of the pedal assembly 10 is improved, and the applicability of the pedal assembly 10 can be improved, so as to better meet the user's use needs. At the same time, a detection unit 500 is provided on the pedal portion 200. When the detection result of the detection unit 500 is less than a predetermined value, it is suitable to indicate that the pedal portion 200 can be reset. Therefore, the first reset member is used to reset the pedal portion 200, so that the automatic reset of the pedal assembly 10 can meet the user's needs.
[0044] Other structures and operations of the wheelchair 20 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail here.
[0045] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example.
[0046] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.
Claims
1. A pedal assembly, characterized in that: include: Base; A pedal portion, the pedal portion being rotatably connected to the base; A plurality of reset members, the plurality of reset members including a first reset member, the first reset member is arranged on the base, and a free end of the first reset member is connected to the pedal portion; A detection unit, the detection unit is arranged on the pedal unit; When the pedal part rotates, the first reset member is elastically deformed. When the pedal part stops rotating and the detection result of the detection part is less than a predetermined value, the first reset member drives the pedal part to reset axially.
2. The pedal assembly according to claim 1, characterized in that: A first connecting portion and a second connecting portion are respectively formed at two ends of the first restoring member, the first connecting portion is fixedly connected to the base, and the second connecting portion is connected to the pedal portion.
3. The pedal assembly according to claim 1, characterized in that: The first restoring member is a coil spring.
4. The pedal assembly according to claim 1, characterized in that: The pedal portion comprises: A bearing rod, one end of which is connected to the base; A pedal member is rotatably connected to the bearing rod.
5. The pedal assembly according to claim 4, characterized in that: The bearing rod comprises: A first rod body, the first rod body is fixedly connected to the base; The second rod body is connected to the first rod body, and the extension direction of the second rod body and the extension direction of the first rod body are perpendicular to each other. The pedal part is rotatably connected to the second bearing rod.
6. The pedal assembly according to claim 5, characterized in that: It also includes: a limiting member, which is arranged on the second rod body, and the free end of the limiting member is arranged opposite to the pedal part, and the limiting member is configured to limit the pedal part to an initial position.
7. The pedal assembly according to claim 4, characterized in that: The reset member further comprises: a second reset member, the second reset member is fixedly connected in the base, and the free end of the second reset member is arranged opposite to the bearing rod to drive the bearing rod to rotate vertically and reset.
8. The pedal assembly according to claim 7, characterized in that: The base comprises: a first connecting rod; A second connecting rod is connected to the first connecting rod and is slidably arranged relative to the first connecting rod. The pedal portion is connected to the second connecting rod and the first reset member is arranged in the second connecting rod.
9. The pedal assembly according to claim 8, characterized in that: The reset member also includes: a third reset member, one end of the second reset member is fixedly connected to the fixed end of the first connecting rod, the other end of the third reset member is fixedly connected to the free end of the second connecting rod, and the third reset member is configured to drive the second connecting rod to reset vertically.
10. A wheelchair, characterized in that: include: A pedal assembly as claimed in any one of claims 1 to 9.
