Offset assembly structure of electric vehicle
By adopting a bias assembly structure in the electric bicycle, the installation point of the middle brace is raised to the upper part of the chain, which solves the problem of insufficient ground clearance of the entire vehicle and improves the passability and driving comfort.
Patent Information
- Application Number
- CN202422588222.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-10-25
AI Technical Summary
The center brace installation points of existing electric bicycles are arranged under the chain, resulting in a reduction in the ground clearance of the whole vehicle, poor passability, and affecting driving comfort.
Using a bias assembly structure, the mounting member is arranged symmetrically along the second central plane, connected between the fork and the middle brace, and biased to one side of the first central plane, forming a space for avoidance, so that the middle brace installation point is moved to the upper part of the chain, and the ground clearance is raised.
It improves the passing of the entire vehicle, extends the effective travel of the front and rear shock absorbers, and improves driving comfort.
Smart Images

Figure CN223266959U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric bicycles, in particular to a biasing assembly structure of an electric bicycle. Background Art
[0002] Low-carbon travel is becoming an increasingly popular choice. As a green, energy-saving, and emission-reducing means of transportation, electric bicycles have become a primary mode of transportation in daily life due to their economical use, convenient parking, and clean energy. Consequently, people have higher expectations for the comfort and maneuverability of electric bicycles. Raising the ground clearance of the vehicle significantly improves maneuverability, thereby increasing the effective travel of the front and rear shock absorbers and improving overall driving comfort.
[0003] In the existing vehicle structure of electric bicycles, the height of the center support mounting point is an important factor affecting the minimum ground clearance of the vehicle. The flat fork and center support of the commonly used electric bicycles are both symmetrically arranged along the center plane of the vehicle body. In order to ensure that there is enough movement clearance between the center support and the chain when the center support is folded, the mounting point of the center support is often moved down until it is arranged below the chain. This will reduce the ground clearance of the vehicle to a certain extent, resulting in poor vehicle passability. Utility Model Content
[0004] The purpose of the utility model is to provide an offset assembly structure of an electric vehicle, which can raise the ground clearance of the entire vehicle and effectively improve the passability of the entire vehicle.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] The utility model provides an offset assembly structure of an electric vehicle, wherein the body of the electric vehicle is symmetrically arranged along a first central plane, and the first central plane extends in a front-to-rear direction. The electric vehicle includes a fork, a center support, and a chain. The fork and the center support are both symmetrically arranged along the first central plane, and the fork is connected to the body. The offset assembly structure includes:
[0007] The mounting member is symmetrically arranged along a second center plane, the second center plane extends along the front-to-back direction, the mounting member is connected between the flat fork and the center support, and the second center plane is offset to one side of the first center plane so that the mounting member and the chain form an avoidance space along the left-right direction.
[0008] As an optimal technical solution for the offset assembly structure of the above-mentioned electric vehicle, the mounting part includes a support frame and a lifting lug, and the support frame and the lifting lug are symmetrically arranged along the second center plane. The support frame is fixedly connected to the flat fork, and the lifting lug is fixedly connected to the middle support, and the support frame is connected to the lifting lug.
[0009] As a preferred technical solution for the bias assembly structure of the above-mentioned electric vehicle, the lifting ear includes two supporting ears and a connecting rod, the two supporting ears are respectively connected to the two ends of the connecting rod, the support frame includes two first side plates arranged at intervals along the left and right directions, and a second side plate connected between the two first side plates, the two first side plates are fixedly connected to the flat fork, and the two supporting ears are connected to the two first side plates in a one-to-one correspondence.
[0010] As a preferred technical solution of the offset assembly structure of the above-mentioned electric vehicle, the first center plane and the second center plane are parallel to each other.
[0011] As a preferred technical solution for the offset assembly structure of the above-mentioned electric vehicle, the flat fork includes a main pipe, a left rocker arm and a right rocker arm, the main pipe extends in the left-right direction, the left rocker arm and the right rocker arm both extend in the front-back direction, one end of the left rocker arm is connected to one end of the main pipe, and one end of the right rocker arm is connected to the other end of the main pipe, the left rocker arm and the right rocker arm are symmetrically arranged along the first center plane, and the electric vehicle also includes a left shock absorber and a right shock absorber, the left shock absorber is connected to the left rocker arm, and the right shock absorber is connected to the right rocker arm.
[0012] As a preferred technical solution for the offset assembly structure of the above-mentioned electric vehicle, the flat fork also includes a left mounting ear and a right mounting ear, the left mounting ear is connected between the left shock absorber and the left rocker arm, and the right mounting ear is connected between the right shock absorber and the right rocker arm.
[0013] As a preferred technical solution of the offset assembly structure of the above-mentioned electric vehicle, the flat fork further includes a reinforcing arm, and the reinforcing arm is connected between the left rocker arm and the right rocker arm.
[0014] As an optimal technical solution for the offset assembly structure of the above-mentioned electric vehicle, the middle support is in a U-shaped tube shape, and the middle support has a first supporting end and a second supporting end. The offset assembly structure also includes a left bottom plate and a right bottom plate. The left bottom plate is arranged at the first supporting end, and the right bottom plate is arranged at the second supporting end. The left bottom plate has a first supporting surface, and the right bottom plate has a second supporting surface. Both the first supporting surface and the second supporting surface are used to fit with the ground.
[0015] As an optimal technical solution for the biasing assembly structure of the above-mentioned electric vehicle, the biasing assembly structure also includes a pedal plate, a pedal rod and a reinforcement plate. The pedal plate is fixedly connected to one end of the pedal rod, the other end of the pedal rod is fixedly connected to the middle support, and the reinforcement plate is connected between the pedal rod and the middle support.
[0016] As an optimal technical solution for the bias assembly structure of the above-mentioned electric vehicle, the bias assembly structure also includes a first spring pin, a second spring pin and an elastic member, the first spring pin is arranged on the middle support, the second spring pin is arranged on the flat fork, and the elastic member is hung between the first spring pin and the second spring pin.
[0017] The beneficial effects of the utility model are:
[0018] The utility model provides an offset assembly structure for an electric vehicle, wherein the vehicle body of the electric vehicle is symmetrically arranged along a first center plane, the first center plane extending in a front-to-rear direction, the electric vehicle includes a fork, a center support, and a chain, the fork and the center support both being symmetrically arranged along the first center plane, and the fork connected to the vehicle body, and the offset assembly structure including a mounting member, the mounting member being symmetrically arranged along a second center plane, the second center plane extending in the front-to-rear direction, the mounting member being connected between the fork and the center support, the second center plane being offset to one side of the first center plane so as to form a clearance space between the mounting member and the chain in the left-right direction. In this arrangement, the mounting member connected between the fork and the center support is offset to form a clearance space for the chain in the left-to-right direction, thereby allowing the center support mounting point to be moved upward above the chain, thereby increasing ground clearance without interfering with chain movement, improving vehicle passability, and lengthening the effective stroke of the front and rear shock absorbers, thereby improving driving comfort. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 Schematic diagram of the bias assembly structure of the electric vehicle provided by the utility model Figure 1 ;
[0020] Figure 2 Schematic diagram of the bias assembly structure of the electric vehicle provided by the utility model Figure 2 ;
[0021] Figure 3 The structure diagram of the flat fork provided by the utility model Figure 1 ;
[0022] Figure 4 The structure diagram of the flat fork provided by the utility model Figure 2 ;
[0023] Figure 5 The structure diagram of the middle support provided by the utility model Figure 1 ;
[0024] Figure 6 The structure diagram of the middle support provided by the utility model Figure 2 .
[0025] in:
[0026] 100, flat fork; 200, center support; 300, mounting piece; 3001, support frame; 3002, lifting lug; 400, chain;
[0027] 1. Support ear; 2. Connecting rod; 3. First side plate; 4. Second side plate; 5. Main pipe; 6. Left rocker arm; 7. Right rocker arm; 8. Left mounting ear; 9. Right mounting ear; 10. Reinforcement arm; 11. Left bottom plate; 12. Right bottom plate; 13. Pedal plate; 14. Pedal rod; 15. Reinforcement plate; 16. First spring hook. DETAILED DESCRIPTION
[0028] The following describes in detail embodiments of the present invention. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.
[0029] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions.
[0030] Unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," and "fixed" should be interpreted broadly. For example, they may refer to fixed or removable connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on specific circumstances.
[0031] Unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in contact with the second feature through another feature between them instead of being in direct contact. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.
[0032] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific implementation methods.
[0033] like Figures 1 to 6 As shown, this embodiment provides an offset assembly structure of an electric vehicle, wherein the body of the electric vehicle is symmetrically arranged along a first center plane, and the first center plane extends along the front-to-back direction. The electric vehicle includes a fork 100, a center support 200 and a chain 400. The fork 100 and the center support 200 are both symmetrically arranged along the first center plane, and the fork 100 is connected to the body. The offset assembly structure includes: a mounting member 300, which is symmetrically arranged along a second center plane, and the second center plane extends along the front-to-back direction. The mounting member 300 is connected between the fork 100 and the center support 200, and the second center plane is offset to one side of the first center plane so that the mounting member 300 and the chain 400 form an avoidance space along the left-right direction. With this arrangement, the mounting member 300 connected between the fork 100 and the center support 200 is offset to form a clearance space for the chain 400 in the left and right directions, so that the mounting point of the center support 200 can be moved up to above the chain 400. This increases the ground clearance without interfering with the movement of the chain 400, improves the vehicle's passability, lengthens the effective stroke of the front and rear shock absorbers, and improves driving comfort. It should be noted that the first center plane and the second center plane are respectively as follows: Figure 2 As shown in A and B.
[0034] Optionally, the mounting member 300 includes a support frame 3001 and a lifting lug 3002 , which are symmetrically arranged along the second center plane. The support frame 3001 is fixedly connected to the flat fork 100 , the lifting lug 3002 is fixedly connected to the middle support 200 , and the support frame 3001 is connected to the lifting lug 3002 .
[0035] Furthermore, in order to enhance the connection stability between the support frame 3001 and the lifting ear 3002, the lifting ear 3002 includes two supporting ears 1 and a connecting rod 2. The two supporting ears 1 are respectively connected to the two ends of the connecting rod 2. The support frame 3001 includes two first side panels 3 spaced apart in the left and right directions, and a second side panel 4 connected between the two first side panels 3. The two first side panels 3 are fixedly connected to the flat fork 100. The two supporting ears 1 and the two first side panels 3 are arranged in a one-to-one correspondence and are assembled and connected by bolts to realize the driving and parking functions of the electric vehicle.
[0036] Optionally, the first center plane and the second center plane are parallel to each other. Of course, in other embodiments, the first center plane and the second center plane can also be set at an angle according to the avoidance space requirement between the mounting member 300 and the chain 400, and no further limitation is made here.
[0037] Specifically, the following scheme is exemplarily given in this embodiment: the flat fork 100 includes a main pipe 5, a left rocker arm 6 and a right rocker arm 7, the main pipe 5 extends in the left-right direction, the left rocker arm 6 and the right rocker arm 7 are both extended in the front-back direction, one end of the left rocker arm 6 is connected to one end of the main pipe 5, and one end of the right rocker arm 7 is connected to the other end of the main pipe 5, and the left rocker arm 6 and the right rocker arm 7 are symmetrically arranged along the first center plane. The electric vehicle also includes a left shock absorber and a right shock absorber, the left shock absorber is connected to the left rocker arm 6, and the right shock absorber is connected to the right rocker arm 7.
[0038] Optionally, in order to enhance the connection stability between the left shock absorber and the right shock absorber, the flat fork 100 further includes a left mounting ear 8 and a right mounting ear 9, the left mounting ear 8 being connected between the left shock absorber and the left rocker arm 6, and the right mounting ear 9 being connected between the right shock absorber and the right rocker arm 7.
[0039] Optionally, in order to enhance the connection stability between the left rocker arm 6 and the right rocker arm 7 , the flat fork 100 further includes a reinforcing arm 10 , which is connected between the left rocker arm 6 and the right rocker arm 7 .
[0040] In this embodiment, please refer to Figure 5 and Figure 6 As shown, the middle support 200 is in a U-shaped tube shape, and the middle support 200 has a first supporting end and a second supporting end. The offset assembly structure also includes a left bottom plate 11 and a right bottom plate 12. The left bottom plate 11 is arranged at the first supporting end, and the right bottom plate 12 is arranged at the second supporting end. The left bottom plate 11 has a first supporting surface, and the right bottom plate 12 has a second supporting surface. Both the first supporting surface and the second supporting surface are used to fit with the ground.
[0041] Optionally, in order to facilitate the driver to fold up and lower the center support 200, the offset assembly structure also includes a pedal plate 13, a pedal rod 14 and a reinforcement plate 15. The pedal plate 13 is fixedly connected to one end of the pedal rod 14, and the other end of the pedal rod 14 is fixedly connected to the center support 200. The reinforcement plate 15 is connected between the pedal rod 14 and the center support 200.
[0042] Optionally, the bias assembly structure further includes a first spring hanger pin 16, a second spring hanger pin, and an elastic member. The first spring hanger pin 16 is disposed on the center support 200, the second spring hanger pin is disposed on one of the first side plates 3, and the elastic member is hung between the first spring hanger pin 16 and the second spring hanger pin. Specifically, the elastic member is a tension spring.
[0043] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. Those skilled in the art will appreciate that other variations or modifications can be made based on the above description. It is not necessary and impossible to enumerate all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.
Claims
1. An offset assembly structure of an electric vehicle, wherein the vehicle body of the electric vehicle is symmetrically arranged along a first central plane, the first central plane extending in a front-to-rear direction, the electric vehicle comprising a flat fork (100), a center support (200) and a chain (400), the flat fork (100) and the center support (200) being symmetrically arranged along the first central plane, and the flat fork (100) being connected to the vehicle body, It is characterized in that The offset assembly structure includes: The mounting member (300) is symmetrically arranged along a second center plane, the second center plane extends in a front-to-rear direction, the mounting member (300) is connected between the flat fork (100) and the center support (200), and the second center plane is offset to one side of the first center plane so that the mounting member (300) and the chain (400) form an avoidance space in the left-right direction.
2. The bias assembly structure of an electric vehicle according to claim 1, characterized in that: The mounting member (300) comprises a support frame (3001) and a lifting lug (3002), wherein the support frame (3001) and the lifting lug (3002) are both symmetrically arranged along the second center plane, the support frame (3001) is fixedly connected to the flat fork (100), the lifting lug (3002) is fixedly connected to the middle support (200), and the support frame (3001) is connected to the lifting lug (3002).
3. The bias assembly structure of an electric vehicle according to claim 2, characterized in that: The lifting lug (3002) includes two supporting lugs (1) and a connecting rod (2), the two supporting lugs (1) are respectively connected to the two ends of the connecting rod (2), the supporting frame (3001) includes two first side plates (3) spaced apart in the left-right direction, and a second side plate (4) connected between the two first side plates (3), the two first side plates (3) are fixedly connected to the flat fork (100), and the two supporting lugs (1) are connected to the two first side plates (3) in a one-to-one correspondence.
4. The bias assembly structure of an electric vehicle according to claim 1, characterized in that: The first center plane and the second center plane are parallel to each other.
5. The bias assembly structure of an electric vehicle according to claim 1, characterized in that: The flat fork (100) includes a main pipe (5), a left rocker arm (6) and a right rocker arm (7), wherein the main pipe (5) is extended in the left-right direction, and the left rocker arm (6) and the right rocker arm (7) are both extended in the front-back direction, one end of the left rocker arm (6) is connected to one end of the main pipe (5), and one end of the right rocker arm (7) is connected to the other end of the main pipe (5), and the left rocker arm (6) and the right rocker arm (7) are symmetrically arranged along the first central plane. The electric vehicle also includes a left shock absorber and a right shock absorber, wherein the left shock absorber is connected to the left rocker arm (6), and the right shock absorber is connected to the right rocker arm (7).
6. The bias assembly structure of an electric vehicle according to claim 5, characterized in that: The flat fork (100) further comprises a left mounting ear (8) and a right mounting ear (9), wherein the left mounting ear (8) is connected between the left shock absorber and the left rocker arm (6), and the right mounting ear (9) is connected between the right shock absorber and the right rocker arm (7).
7. The bias assembly structure of an electric vehicle according to claim 5, characterized in that: The flat fork (100) further comprises a reinforcing arm (10), wherein the reinforcing arm (10) is connected between the left rocker arm (6) and the right rocker arm (7).
8. The bias assembly structure of an electric vehicle according to claim 1, characterized in that: The middle support (200) is in a U-shaped tube shape and has a first supporting end and a second supporting end. The offset assembly structure further includes a left bottom plate (11) and a right bottom plate (12). The left bottom plate (11) is arranged at the first supporting end, and the right bottom plate (12) is arranged at the second supporting end. The left bottom plate (11) has a first supporting surface, and the right bottom plate (12) has a second supporting surface. Both the first supporting surface and the second supporting surface are used to fit the ground.
9. The bias assembly structure of an electric vehicle according to claim 1, characterized in that: The biasing assembly structure further comprises a pedal plate (13), a pedal rod (14) and a reinforcing plate (15), wherein the pedal plate (13) is fixedly connected to one end of the pedal rod (14), the other end of the pedal rod (14) is fixedly connected to the middle support (200), and the reinforcing plate (15) is connected between the pedal rod (14) and the middle support (200).
10. The bias assembly structure of an electric vehicle according to claim 1, characterized in that: The biasing assembly structure also includes a first spring hanger (16), a second spring hanger and an elastic member, wherein the first spring hanger (16) is arranged on the middle support (200), the second spring hanger is arranged on the flat fork (100), and the elastic member is hung between the first spring hanger (16) and the second spring hanger.