Wheelchair carbon fiber protective plate
The design of the limiting mechanism solves the problem of loose bolts on the carbon fiber guard plate of the wheelchair, enabling a more stable installation and disassembly process.
Patent Information
- Application Number
- CN202422598386.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The bolts on existing carbon fiber guard plates for wheelchairs are prone to loosening after prolonged use, leading to unstable installation and a lack of effective limit protection.
A limiting mechanism is designed, comprising a combination of a fixed frame, a limiting rod, a push plate, a bearing plate, and a spring. The spring force pushes the push plate to move, causing the limiting rod to engage with the connector, thereby limiting the threaded column and preventing loosening.
It improves the installation stability of carbon fiber plates, prevents threaded posts from coming loose, and enhances the stability and convenience of use.
Smart Images
Figure CN223516566U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of wheelchair carbon fiber maintenance board, especially a wheelchair carbon fiber maintenance board. BACKGROUND
[0002] It is known that the wheelchair is usually a commonly used tool, and the wheelchair can enable personnel with inconvenient legs to ride, and then can be pushed by hand or by others to move, so as to go to the desired place, and the wheelchair is various.
[0003] The prior art wheelchair usually sets the guard plate on the side, thereby shielding and protecting the user, and part of the wheelchair uses the carbon fiber maintenance board for protection, the carbon fiber maintenance board usually has a mounting piece fixedly installed at the bottom, mounting holes are formed in the mounting piece, and then the carbon fiber maintenance board is installed by using the mounting holes.
[0004] The carbon fiber maintenance board is matched with the mounting holes by using a plurality of bolts, and then the mounting piece is fixed with the wheelchair, thereby installing the carbon fiber maintenance board, but after long-time use of the wheelchair, the bolt used for the carbon fiber maintenance board may be loosened due to self-rotation, which affects the use of the carbon fiber plate, and the carbon fiber plate is not convenient for limiting and protecting the bolt, and has certain limitation. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a wheelchair carbon fiber maintenance board to solve the problems in the above background.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wheelchair carbon fiber maintenance board, comprising:
[0007] The carbon fiber plate is fixedly connected with a mounting piece for connecting and supporting at the bottom end, a plurality of mounting holes are formed in the front surface of the mounting piece, a threaded hole is threadedly connected with a threaded column for locking and fixing in the inner cavity of the mounting hole, and a connecting head for driving movement is fixedly connected to one end of the threaded column.
[0008] A plurality of limiting mechanisms for limiting and protecting the connecting head are arranged on the front surface of the mounting piece, and the limiting mechanism comprises:
[0009] A fixed frame is provided with a limiting rod for connecting and limiting the connecting head in the inside, and a plurality of limiting grooves matched with the limiting rod are annularly arranged on the outer wall of the connecting head.
[0010] A push plate is used to drive the limiting rod to move.
[0011] Preferably, the limiting mechanism further comprises:
[0012] A bearing plate is arranged in the inside of the fixed frame.
[0013] a spring for driving the push plate to move, one end of the spring being in abutment with the push plate, and the other end of the spring being in abutment with the bearing plate.
[0014] Preferably, the side of the fixed frame is fixedly connected with the mounting piece, the top end of the fixed frame is provided with a first sliding groove, the limiting rod is in slidingly penetrating connection with the first sliding groove and the inner cavity of the fixed frame, and the outer wall of the limiting rod is in slidingly penetrating connection with the bearing plate.
[0015] Preferably, the bottom end of the bearing plate is fixedly connected with a bearing frame for supporting the bearing plate, the bottom end of the fixed frame is fixedly connected with a bearing seat, and the bottom end of the inner wall of the bearing frame is fixedly connected with the bearing seat.
[0016] Preferably, one side of the push plate is fixedly connected with the limiting rod, and the two sides of the fixed frame are provided with second sliding grooves, and the push plate is in slidingly penetrating connection with the inner cavities of the second sliding grooves.
[0017] Preferably, the top end of the inner wall of the fixed frame is fixedly connected with a plurality of supporting rods for guiding the deformation of the spring, and the outer wall of the supporting rod is in slidingly penetrating connection with the push plate.
[0018] The technical effects and advantages of the present application are as follows:
[0019] The present application utilizes the cooperation of the connecting head, the fixed frame, the limiting rod, the push plate, the bearing plate and the spring, the spring pushes the push plate to move, the push plate drives the limiting rod to move, the limiting rod is in penetrating connection with the connecting head, thereby being beneficial to limiting the connecting head, being convenient for limiting and protecting the connecting head and the threaded column, being convenient for preventing the threaded column from being separated at will, and being convenient for increasing the stability of the installation of the carbon fiber plate. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a front structure schematic view of the present application.
[0021] Figure 2 It is a front structure schematic view of the threaded column of the present application.
[0022] Figure 3 It is a front sectional structure schematic view of the fixed frame of the present application.
[0023] Figure 4 It is a front sectional structure schematic view of the limiting rod of the present application.
[0024] In the drawings: 1, carbon fiber plate; 2, mounting piece; 3, threaded column; 4, connecting head; 5, limiting mechanism; 51, fixed frame; 52, limiting rod; 53, push plate; 54, bearing plate; 55, spring; 56, supporting rod; 6, bearing frame; 7, bearing seat. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0026] The utility model provides a kind of wheelchair carbon fiber maintenance board as shown in Figures 1-4 The utility model provides a kind of wheelchair carbon fiber maintenance board as shown in The front of mounting piece 2 is provided with a plurality of mounting holes, the inner cavity of mounting hole is threadedly connected with threaded column 3 for locking and fixing, threaded column 3 is favorable for connecting mounting piece 2 with wheelchair, and it is convenient to install and dismount carbon fiber plate 1, and then it is favorable for installing and dismounting carbon fiber plate 1, one end of threaded column 3 is fixedly connected with connecting head 4 for driving its movement, connecting head 4 is favorable for rotating threaded column 3, and it is convenient to limit the installation position of threaded column 3, while it is favorable for rotating operation of threaded column 3.
[0027] Further, the front surface of the mounting piece 2 is provided with a plurality of limiting mechanisms 5 for connecting head 4 limiting protection, the limiting mechanism 5 includes a fixed frame 51, the fixed frame 51 is beneficial to make the limiting rod 52 slide in its inside, convenient for sliding support of the limiting rod 52, while facilitating the sliding of the push plate 53 on it, convenient for sliding support of the push plate 53, the side of the fixed frame 51 is fixedly connected with the mounting piece 2, the top end of the fixed frame 51 is provided with a first sliding groove, the limiting rod 52 is slidably connected with the first sliding groove and the inner cavity of the fixed frame 51, the outer wall of the limiting rod 52 is slidably connected with the bearing plate 54, the inside of the fixed frame 51 is provided with the limiting rod 52 for connecting the limiting of the connecting head 4, the limiting rod 52 is beneficial to limit the position of the connecting head 4, in turn, is beneficial to the limiting of the threaded column 3, avoid the arbitrary rotation of the threaded column 3, convenient to increase the stability of the use of carbon fiber plate 1, the outer wall of the connecting head 4 is annular array and is provided with a plurality of limiting grooves matched with the limiting rod 52, the push plate 53, the push plate 53 is beneficial to push the limiting rod 52 to move, convenient for the limiting rod 52 to connect or separate from the connecting head 4, convenient for pushing operation of the limiting rod 52, the push plate 53 is used to drive the limiting rod 52 to move, when the rotating operation of the connecting head 4 is needed, the push plate 53 is moved, the push plate 53 drives the limiting rod 52 to move, makes the limiting rod 52 slide on the fixed frame 51, then makes the limiting rod 52 separate from the limiting groove on the connecting head 4, at this time, the position limitation of the connecting head 4 is removed, then the connecting head 4 is rotated, makes the connecting head 4 drive the threaded column 3 to rotate, convenient for the threaded column 3 to separate from the wheelchair, in turn, the carbon fiber plate 1 can be disassembled.
[0028] Further, the limiting mechanism 5 further includes a bearing plate 54, the bearing plate 54 is beneficial to make the limiting rod 52 slide on it, convenient for sliding support of the limiting rod 52, the bearing plate 54 is beneficial to compress the spring 55, the bearing plate 54 is located in the inside of the fixed frame 51, the spring 55, the elastic force of the spring 55 is beneficial to push the push plate 53 to move, convenient for the push plate 53 and the limiting rod 52 to move back to the original position, convenient for repeated operation of the limiting rod 52, the spring 55 is used to drive the push plate 53 to move, one end of the spring 55 is matched with the push plate 53, the other end of the spring 55 is matched with the bearing plate 54, the bottom end of the bearing plate 54 is fixedly connected with the bearing frame 6 for its connection support, the bearing frame 6 is L-shaped, the bearing frame 6 is beneficial to support the bearing plate 54, convenient for installation of the bearing plate 54, the bottom end of the inner wall of the bearing frame 6 is fixedly connected with the bearing seat 7, the side of the push plate 53 is fixedly connected with the limiting rod 52, the two sides of the fixed frame 51 are provided with a second sliding groove, the push plate 53 is slidably connected with the inner cavity of the second sliding groove.
[0029] Further, the top end of the inner wall of the fixed frame 51 is fixedly connected with a plurality of support rods 56 for guiding the deformation of the spring 55, the spring 55 is sleeved on the outer wall of the support rod 56, the support rod 56 is beneficial to guide the deformation of the spring 55, and the spring 55 is stably deformed, and the outer wall of the support rod 56 is slidingly inserted into the push plate 53.
[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.
Claims
1. A wheelchair carbon fiber maintenance plate, comprising: a carbon fiber plate (1), the bottom end of the carbon fiber plate (1) is fixedly connected with a mounting sheet (2) for connecting support, the front surface of the mounting sheet (2) is provided with a plurality of mounting holes, the inner cavity of the mounting hole is threadedly connected with a threaded column (3) for locking fixation, one end of the threaded column (3) is fixedly connected with a connecting head (4) for driving movement thereof; characterized in that the front surface of the mounting sheet (2) is provided with a plurality of limiting mechanisms (5) for limiting protection of the connecting head (4), the limiting mechanism (5) comprises: a fixed frame (51), the inside of the fixed frame (51) is provided with a limiting rod (52) for connecting and limiting of the connecting head (4), the outer wall of the connecting head (4) is annularly arranged and provided with a plurality of limiting grooves matched with the limiting rod (52); a push plate (53) for driving movement of the limiting rod (52).
2. The carbon fiber backrest of claim 1, wherein, The limiting mechanism (5) further comprises: a bearing plate (54) located inside the fixed frame (51); a spring (55) for driving movement of the push plate (53), one end of the spring (55) is in close contact with the push plate (53), the other end of the spring (55) is in close contact with the bearing plate (54).
3. The carbon fiber backrest of claim 1, wherein, The side of the fixed frame (51) is fixedly connected with the mounting sheet (2), the top end of the fixed frame (51) is provided with a first sliding groove, the limiting rod (52) is slidably and penetratingly connected with the first sliding groove and the inner cavity of the fixed frame (51), the outer wall of the limiting rod (52) is slidably and penetratingly connected with the bearing plate (54).
4. The carbon fiber backrest of claim 2, wherein, The bottom end of the bearing plate (54) is fixedly connected with a bearing frame (6) for connecting support in a symmetrical manner, the bottom end of the fixed frame (51) is fixedly connected with a bearing seat (7) in a symmetrical manner, the bottom end of the inner wall of the bearing frame (6) is fixedly connected with the bearing seat (7).
5. The carbon fiber backrest of claim 1, wherein, One side of the push plate (53) is fixedly connected with the limiting rod (52), both sides of the fixed frame (51) are provided with a second sliding groove, the push plate (53) is slidably and penetratingly connected with the inner cavity of the second sliding groove.
6. The carbon fiber backrest of claim 1, wherein, The top end of the inner wall of the fixed frame (51) is fixedly connected with a plurality of support rods (56) for deformation guidance of the spring (55), the outer wall of the support rod (56) is slidably and penetratingly connected with the push plate (53).