Electric bicycle backrest convenient to adjust
By setting height adjustment components and rotation adjustment components on the backrest of the electric bicycle, the problem that the existing backrest cannot be adjusted is solved, and the height and angle of the backrest body are easily adjusted, which improves the user experience.
Patent Information
- Application Number
- CN202422575149.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-10-24
AI Technical Summary
The backrests of existing electric bicycles cannot be adjusted to the angle and height, making it inconvenient to use.
An electric bicycle backrest including a height adjustment assembly and a rotation adjustment assembly is designed. The height and angle adjustment of the backrest body is achieved through the combination of a movable rod, a fixing rod, an operating groove, a plug plate, an adjustment head, a screw and a threaded groove.
It realizes convenient adjustment of the height and angle of the backrest body, improving the comfort and safety of use.
Smart Images

Figure CN223237798U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric bicycle backrests, in particular to an electric bicycle backrest which is easy to adjust. Background Art
[0002] Nowadays, there are more and more electric bicycles, which are gradually replacing pedal bicycles. Every household has an electric bicycle, which makes it convenient to go out. A backrest is set behind the rear seat to prevent the rear passenger from falling backward due to inertia when starting suddenly or braking suddenly.
[0003] However, the backrest of existing electric bicycles is generally fixed and cannot be adjusted in angle and height, which is inconvenient to use and has a certain adverse effect on people's use process. Therefore, we propose an electric bicycle backrest that is easy to adjust. Utility Model Content
[0004] (1) Technical problems solved
[0005] In view of the shortcomings of the existing technology, the present invention provides an easily adjustable electric bicycle backrest, which has the advantages of easy adjustment of the height of the backrest body and easy adjustment of the angle of the backrest body, and can effectively solve the problems in the background technology.
[0006] (2) Technical solution
[0007] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an electric bicycle backrest that is easy to adjust, comprising a base and a backrest body, wherein connecting foot plates are fixedly installed on the left and right sides of the outer surface of one side of the base, and one end of the outer surface of the upper end of the connecting foot plate is provided with a mounting groove, and height adjustment components are fixedly installed on the left and right sides of the outer surface of the lower end of the backrest body, and the left and right sides of the outer surface of the upper end of the base are fixedly installed with a rotation adjustment component, and the lower end outer surface of the height adjustment component is fixedly connected to one side of the upper end outer surface of the rotation adjustment component, and the number of the rotation adjustment component and the height adjustment component are both two groups, and the height adjustment component includes a movable rod, a fixed rod, an operating groove, a plug plate, an adjustment head, a movable groove, a screw and a threaded groove, and the rotation adjustment component includes a rotating base, a swing base, a connecting plate, a nut and a connecting rod, and the lower end outer surface of the fixed rod is fixedly connected to the upper end outer surface of the swing base.
[0008] Preferably, the upper outer surface of the movable rod is fixedly connected to the lower outer surface of the backrest body, the operating groove is opened on the upper part of the outer surface of one side of the movable rod, the plug plate is located at one end of the operating groove, and the adjustment head is located in the operating groove.
[0009] Preferably, the movable groove is opened on the outer surface of the lower end of the movable rod, the screw is fixedly installed in the middle of the outer surface of the lower end of the adjusting head, the threaded groove is opened in the middle of the outer surface of the upper end of the fixed rod, the fixed rod is threadedly connected to the outer wall of the screw through the threaded groove, and the outer wall of the fixed rod and the movable groove are slidably connected.
[0010] Preferably, one side of the rotating base and the swinging base is provided with a tooth structure, and the density of the tooth structure is determined by the minimum adjustment angle.
[0011] Preferably, threaded holes are provided inside the rotating base and the swinging base, a threaded ring is provided on the outer wall of one end of the connecting rod, and the other end of the connecting rod is in the shape of a hexagonal head.
[0012] Preferably, the outer wall of one end of the connecting rod and the rotating base, the swing base and the nut are all threadedly connected.
[0013] (3) Beneficial effects
[0014] Compared with the prior art, the utility model provides an easily adjustable electric bicycle backrest, which has the following beneficial effects:
[0015] 1. The electric bicycle backrest is easy to adjust. The height of the backrest body is easy to adjust by providing a height adjustment component.
[0016] 2. The easily adjustable backrest of the electric bicycle makes it easy to adjust the angle of the backrest body by means of a rotating adjustment component. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 The utility model is a schematic diagram of the overall structure of an easily adjustable electric bicycle backrest.
[0018] Figure 2 The utility model is a structural schematic diagram of a base of an electric bicycle backrest which is easy to adjust.
[0019] Figure 3 The utility model is a schematic diagram of the structural decomposition of a rotary adjustment component in an easily adjustable electric bicycle backrest.
[0020] Figure 4 The utility model is a structural schematic diagram of a height adjustment component of an electric bicycle backrest that is easy to adjust.
[0021] Figure 5 The utility model is a side cross-sectional view of a height adjustment assembly of an electric bicycle backrest that is easy to adjust.
[0022] In the figure: 1. Base; 2. Connecting foot plate; 3. Backrest body; 4. Rotation adjustment assembly; 5. Height adjustment assembly; 6. Mounting slot; 7. Rotation base; 8. Swing base; 9. Connecting plate; 10. Nut; 11. Connecting rod; 12. Movable rod; 13. Fixed rod; 14. Operating slot; 15. Plug plate; 16. Adjustment head; 17. Movable slot; 18. Screw; 19. Threaded slot. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0024] This embodiment is an electric bicycle backrest that is easy to adjust.
[0025] like Figure 1-5 As shown, it includes a base 1 and a backrest body 3, and connecting foot plates 2 are fixedly installed on the left and right sides of the outer surface of one side of the base 1, and an installation groove 6 is opened at one end of the upper outer surface of the connecting foot plate 2, and height adjustment components 5 are fixedly installed on the left and right sides of the lower outer surface of the backrest body 3, and rotation adjustment components 4 are fixedly installed on the left and right sides of the upper outer surface of the base 1, and the lower end outer surface of the height adjustment component 5 is fixedly connected to one side of the upper end outer surface of the rotation adjustment component 4, and the number of rotation adjustment components 4 and height adjustment components 5 are both two groups, the height adjustment component 5 includes a movable rod 12, a fixed rod 13, an operating groove 14, a plug plate 15, an adjusting head 16, a movable groove 17, a screw 18 and a threaded groove 19, the rotation adjustment component 4 includes a rotating base 7, a swinging base 8, a connecting plate 9, a nut 10 and a connecting rod 11, and the lower end outer surface of the fixed rod 13 is fixedly connected to the upper end outer surface of the swinging base 8.
[0026] The outer surface of the upper end of the movable rod 12 is fixedly connected to the outer surface of the lower end of the backrest body 3, the operating groove 14 is opened at the upper part of the outer surface of one side of the movable rod 12, the plug plate 15 is located at one end of the operating groove 14, and the adjustment head 16 is located in the operating groove 14; the movable groove 17 is opened at the outer surface of the lower end of the movable rod 12, the screw 18 is fixedly installed in the middle of the outer surface of the lower end of the adjustment head 16, the threaded groove 19 is opened at the middle of the outer surface of the upper end of the fixed rod 13, and the fixed rod 13 is connected to the screw 1 through the threaded groove 19. 8 is threadedly connected, and the outer wall of the fixed rod 13 is slidingly connected to the movable groove 17; a tooth structure is provided on one side of the rotating base 7 and the swing base 8, and the density of the tooth structure is determined by the minimum adjustment angle; threaded holes are provided inside the rotating base 7 and the swing base 8, and a threaded ring is provided on the outer wall of one end of the connecting rod 11, and the other end of the connecting rod 11 is hexagonal; the outer wall of one end of the connecting rod 11 is threadedly connected to the rotating base 7, the swing base 8 and the nut 10.
[0027] It should be noted that the present invention is an electric bicycle backrest that is easy to adjust. Through the height adjustment component 5, when adjusting the height of the backrest body 3, the plug plate 15 is removed, one end of the wrench is inserted into the interior of the operating groove 14 and stuck with the adjusting head 16, and then the adjusting head 16 is rotated to drive the screw 18 to rotate. The fixed rod 13 is threadedly connected to the outer wall of the screw 18 through the thread groove 19, so that the rotation of the screw 18 drives the fixed rod 13 to rise and fall along the movable groove 17, so that the fixed rod 13 and the movable rod 12 move relative to each other, so that the height of the backrest body 3 is easy to adjust. Adjustment, through the setting of the rotation adjustment component 4, one side of the rotating base 7 and the swing base 8 are designed with a tooth structure, the density of the teeth is determined by the minimum adjustment angle, a threaded hole is opened inside the swing base 8, a threaded ring is provided on one side of the connecting rod 11, and the other end is a hexagonal head. After adjusting to the appropriate position, the tooth surfaces of the rotating base 7 and the swing base 8 fit together, and are locked by the connecting rod 11. Finally, the locking nut 10 is tightened to prevent loosening. It has strong load-bearing capacity, high angle adjustment accuracy, easy adjustment, will not slip due to vibration, and has high reliability. Through the setting of the connecting foot plate 2, the connecting foot plate 2 is fixedly connected to the rear seat of the electric bicycle.
[0028] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements that are inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including a..." do not exclude the presence of other identical elements in the process, method, article or device that includes the elements.
[0029] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.
Claims
1. An adjustable electric bicycle backrest, comprising a base (1) and a backrest body (3), characterized in that: The base (1) has a connecting foot plate (2) fixedly mounted on the left and right sides of the outer surface of one side, and a mounting groove (6) is provided at one end of the upper outer surface of the connecting foot plate (2). The backrest body (3) has a height adjustment assembly (5) fixedly mounted on the left and right sides of the lower outer surface, and a rotation adjustment assembly (4) fixedly mounted on the left and right sides of the upper outer surface of the base (1), and the lower outer surface of the height adjustment assembly (5) is fixedly connected to one side of the upper outer surface of the rotation adjustment assembly (4), and the rotation adjustment assembly (4) is fixedly mounted on the left and right sides of the upper outer surface of the height adjustment assembly (5). The number of height adjustment components (5) is two, and the height adjustment components (5) include a movable rod (12), a fixed rod (13), an operating groove (14), a plug plate (15), an adjustment head (16), a movable groove (17), a screw rod (18) and a threaded groove (19); the rotation adjustment component (4) includes a rotating base (7), a swing base (8), a connecting plate (9), a nut (10) and a connecting rod (11), and the outer surface of the lower end of the fixed rod (13) is fixedly connected to the outer surface of the upper end of the swing base (8).
2. The easily adjustable electric bicycle backrest according to claim 1, characterized in that: The outer surface of the upper end of the movable rod (12) is fixedly connected to the outer surface of the lower end of the backrest body (3); the operating groove (14) is opened at the upper part of the outer surface of one side of the movable rod (12); the plug plate (15) is located at one end of the operating groove (14); and the adjustment head (16) is located in the operating groove (14).
3. The easily adjustable electric bicycle backrest according to claim 2, characterized in that: The movable groove (17) is formed on the outer surface of the lower end of the movable rod (12), the screw rod (18) is fixedly mounted on the middle portion of the outer surface of the lower end of the regulating head (16), the threaded groove (19) is formed on the middle portion of the outer surface of the upper end of the fixed rod (13), the fixed rod (13) is threadedly connected to the outer wall of the screw rod (18) through the threaded groove (19), and the outer wall of the fixed rod (13) and the movable groove (17) are in sliding connection.
4. The easily adjustable electric bicycle backrest according to claim 3, characterized in that: One side of the rotating base (7) and the swinging base (8) is provided with a tooth structure, and the density of the tooth structure is determined by the minimum adjustment angle.
5. The easily adjustable electric bicycle backrest according to claim 4, characterized in that: The rotating base (7) and the swinging base (8) are both provided with threaded holes inside, the outer wall of one end of the connecting rod (11) is provided with a threaded ring, and the other end of the connecting rod (11) is in the shape of a hexagonal head.
6. The easily adjustable electric bicycle backrest according to claim 5, characterized in that: The outer wall of one end of the connecting rod (11) is threadedly connected to the rotating base (7), the swinging base (8) and the nut (10).