Electric vehicle frame with protective structure
By designing protective plates and plug-in rods on the frame of the electric bicycle, the problem of the knee being blown directly by the wind in cold environments is solved, effective protection during driving is achieved, and the health and safety of riders are improved.
Patent Information
- Application Number
- CN202422138731.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-02
AI Technical Summary
When riding an electric bicycle in cold environments, the knees are easily blown directly by cold wind, which increases the chance of joint rheumatism, and the existing frames lack effective protection.
An electric vehicle frame with a protective structure is designed, including components such as protective plates, plug rods, baffles and springs. The protective plates are rotated to block the wind flow, ensuring effective protection of the knees during driving.
It effectively reduces the possibility of cold wind blowing directly on the knees and improves the health protection and safety of cyclists.
Smart Images

Figure CN223174259U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric bicycle frames, in particular to an electric vehicle frame with a protection structure. Background Art
[0002] An electric bicycle refers to a vehicle that uses a battery as an auxiliary energy source and is based on an ordinary bicycle, with a motor, a controller, a battery, a handlebar brake handle and other operating components and a display instrument system installed. Among them, the frame of the electric bicycle, as the main body, its stability determines the safety of the vehicle, which is of utmost importance.
[0003] During the process of a person riding an electric bicycle assembled with this vehicle frame, when the ambient wind is relatively cold, the person's knees will be directly blown by the wind current. After long-term riding without wearing protective gear and still being directly blown by the cold wind on the knees, it will increase the probability of the user suffering from joint rheumatism, thereby reducing the protection of the vehicle frame for the person. Therefore, an electric vehicle frame with a protection structure is hereby proposed. Summary of the Utility Model
[0004] The purpose of the utility model is to provide an electric vehicle frame with a protection structure, which solves the problem that when the ambient wind is relatively cold in the prior art, the person's knees will be directly blown by the wind current. After long-term riding without wearing protective gear and still being directly blown by the cold wind on the knees, it will increase the probability of the user suffering from joint rheumatism, thereby reducing the protection of the vehicle frame for the person.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] An electric vehicle frame with a protection structure includes a frame body. One side of the frame body is fixedly connected with a front fork. A battery box is arranged below the frame body. Cross bars are arranged on both sides of the outer ring of the front fork. A round rod is vertically arranged in the inner cavity of the cross bar. A short block is sleeved on the outer ring of the round rod. One side of the short block is fixedly connected with a protection plate. The top of the round rod penetrates through the top of the inner cavity of the cross bar and is fixedly connected with a porous disc. One side of the top of the cross bar is fixedly connected with a vertical block. One side of the vertical block is fixedly connected with a structure box. An insertion rod adapted to the porous disc is vertically arranged in the inner cavity of the structure box. The bottom of the insertion rod penetrates through the bottom of the inner cavity of the structure box and is inserted into the inner cavity of the porous disc.
[0007] Preferably, sleeves are sleeved on both sides of the outer ring of the front fork, and one side of the outer ring of each sleeve is fixedly connected with one end of the adjacent cross bar.
[0008] Preferably, the bottom of the round rod is rotatably connected to the bottom of the adjacent crossbar cavity via a rotating shaft, and the top of the round rod passes through the top of the corresponding crossbar cavity via a shaft sleeve.
[0009] Preferably, the outer ring of the insertion rod is sleeved with a baffle, the bottom of the baffle is against the bottom of the inner cavity of the adjacent structure box, and the top of the insertion rod passes through the top of the inner cavity of the corresponding structure box and is fixedly connected to a handle.
[0010] Preferably, a spring is installed on the outer ring of the insertion rod, and the top of the blocking piece is elastically connected to the top of the inner cavity of the adjacent structural box through the spring.
[0011] Preferably, both sides of the battery box are fixedly connected to the bottom of the frame body through connecting rods.
[0012] The utility model has at least the following beneficial effects:
[0013] When a person rides an electric bicycle assembled with the motorcycle frame, if the ambient wind is relatively cold, in order to prevent the cold wind from blowing directly on the knees, the person can first pull the insertion rod to make the insertion rod disengage from the inside of the porous disc, and then contact the restriction of the porous disc. The person rotates the protective plate to a suitable angle, and then the person releases the insertion rod, and transmits the force of the spring to the insertion rod through the baffle, so that the insertion rod is re-inserted into the inner cavity of the matching porous disc, and the person can drive normally. The protective plate can block the wind flow when the vehicle is moving. Through the structural design, the electric bicycle assembled with the frame is enhanced, and the effective protection effect on the user's knees during driving is enhanced, and the situation where the user's knees are directly exposed to the wind is reduced, thereby protecting the user's health and improving the safety protection performance for the user.
[0014] The utility model also has the following beneficial effects:
[0015] The setting of the sleeve ensures the stability of the cross bar and indirectly ensures the balance of the protective plate. The setting of the round rod allows the protective plate to be driven to rotate at an angle. The setting of the baffle allows the force of the spring to be transmitted to the plug rod, so that it is tightly connected with the inner cavity of the porous disc. The setting of the structural box protects its internal structure from external forces. The setting of the battery box facilitates the installation of batteries. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0017] Figure 1 This is a schematic diagram of the structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the protective plate of the utility model;
[0019] Figure 3 This is a cross-sectional view of the sleeve of the utility model.
[0020] In the figure: 1. Front fork; 2. Battery box; 3. Sleeve; 4. Protective plate; 5. Crossbar; 6. Short block; 7. Vertical block; 8. Perforated disc; 9. Structural box; 10. Round rod; 11. Insert rod; 12. Block; 13. Spring; 14. Handle; 15. Frame body. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0022] Reference Figures 1 - 3 , an electric vehicle frame with a protective structure, including a frame body 15, one side of the frame body 15 is fixedly connected to a front fork 1, a battery box 2 is arranged below the frame body 15, cross bars 5 are arranged on both sides of the outer ring of the front fork 1, the inner cavity of the cross bar 5 is vertically provided with a round rod 10, the outer ring of the round rod 10 is sleeved with a short block 6, one side of the short block 6 is fixedly connected to a protective plate 4, the top of the round rod 10 passes through the top of the inner cavity of the cross bar 5 and is fixedly connected to a porous disc 8, one side of the top of the cross bar 5 is fixedly connected to a vertical block 7, one side of the vertical block 7 is fixedly connected to a structural box 9, the inner cavity of the structural box 9 is vertically provided with an insertion rod 11 adapted to the porous disc 8, the bottom of the insertion rod 11 passes through the bottom of the inner cavity of the structural box 9 and is plugged into the inner cavity of the porous disc 8. Specifically, in the process of a person riding an electric bicycle after the motorcycle frame is assembled, the environmental wind is relatively cold. In cold conditions, in order to prevent the cold wind from blowing directly at the knees, the person can first pull the insertion rod 11 so that the insertion rod 11 is separated from the inside of the porous disc 8 and then contacts the restriction of the porous disc 8. The person rotates the protective plate 4 to a suitable angle, and then releases the insertion rod 11. The force of the spring 13 is transmitted to the insertion rod 11 through the baffle 12, so that the insertion rod 11 is re-inserted into the inner cavity of the corresponding porous disc 8. The person can then drive normally. The protective plate 4 can block the wind flow when the vehicle is moving. The structural design enhances the effective protection effect of the electric bicycle assembled with the frame, and reduces the situation where the user's knees are directly exposed to the wind, thereby protecting the user's health and improving the safety protection performance for the user.
[0023] This program has the following working process:
[0024] When a person rides the electric bicycle assembled with the motorcycle frame, if the ambient wind is relatively cold, in order to prevent the cold wind from blowing directly on the knees, the person can first pull the insertion rod 11 to make the insertion rod 11 disengage from the inside of the porous disc 8, and then contact the restriction of the porous disc 8. The person rotates the protective plate 4 to a suitable angle, and then the person releases the insertion rod 11, and transmits the force of the spring 13 to the insertion rod 11 through the baffle 12, so that the insertion rod 11 is re-inserted into the inner cavity of the corresponding porous disc 8. The person can then drive normally, and the protective plate 4 can be used to block the wind flow when the vehicle is moving.
[0025] According to the above working process, we can know that:
[0026] Through structural design, the electric bicycle assembled using the frame is enhanced to effectively protect the user's knees during driving, reducing the situation where the user's knees are directly exposed to wind, thereby protecting the user's health and improving the safety protection performance for the user.
[0027] Furthermore, sleeves 3 are sleeved on both sides of the outer ring of the front fork 1, and one side of the outer ring of the sleeve 3 is fixedly connected to one end of the adjacent cross bar 5. Specifically, through the setting of the sleeve 3, the stability of the cross bar 5 is ensured, and the balance of the protective plate 4 is indirectly ensured.
[0028] Furthermore, the bottom of the round rod 10 is rotatably connected to the bottom of the inner cavity of the adjacent cross bar 5 through a rotating shaft, and the top of the round rod 10 passes through the top of the inner cavity of the corresponding cross bar 5 through a shaft sleeve. Specifically, through the setting of the round rod 10, the protective plate 4 can be driven to rotate at an angle.
[0029] Furthermore, the outer ring of the insertion rod 11 is sleeved with a baffle 12, the bottom of the baffle 12 is against the bottom of the inner cavity of the adjacent structural box 9, and the top of the insertion rod 11 passes through the top of the inner cavity of the corresponding structural box 9 and is fixedly connected with a handle 14. Specifically, through the setting of the baffle 12, the force of the spring 13 can be transmitted to the insertion rod 11, so that it is tightly connected with the inner cavity of the porous disc 8.
[0030] Furthermore, a spring 13 is installed on the outer ring of the insertion rod 11, and the top of the baffle 12 is elastically connected to the top of the inner cavity of the adjacent structural box 9 through the spring 13. Specifically, through the setting of the structural box 9, its internal structure is protected from external forces.
[0031] Furthermore, both sides of the battery box 2 are fixedly connected to the bottom of the frame body 15 through connecting rods. Specifically, the arrangement of the battery box 2 makes it easier for personnel to install batteries.
[0032] To sum up: when a person is riding an electric bicycle assembled with the motorcycle frame, if the ambient wind is relatively cold, in order to prevent the cold wind from blowing directly on the knees, the person can first pull the insertion rod 11 to make the insertion rod 11 disengage from the inside of the porous disc 8, and then contact the restriction of the porous disc 8. The person rotates the protective plate 4 to a suitable angle, and then the person loosens the insertion rod 11, and transmits the force of the spring 13 to the insertion rod 11 through the baffle 12, so that the insertion rod 11 is re-inserted into the inner cavity of the matching porous disc 8, and the person can then drive normally. The protective plate 4 can block the wind flow when the vehicle is moving. The setting of the sleeve 3 ensures the stability of the cross bar 5, which indirectly ensures The balance of the protective plate 4 is ensured. The provision of the round rod 10 allows the protective plate 4 to be driven to rotate at an angle. The provision of the baffle 12 allows the force of the spring 13 to be transmitted to the insertion rod 11, so that it is tightly connected to the inner cavity of the porous disc 8. The provision of the structural box 9 protects its internal structure from external forces. The provision of the battery box 2 facilitates personnel to install batteries. The structural design enhances the effective protection effect of the electric bicycle assembled using the frame on the user's knees during driving, reduces the situation where the user's knees are directly exposed to the wind, thereby protecting the user's health and improving the safety protection performance for the user.
[0033] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions merely illustrate the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed for the present invention is defined by the appended claims and their equivalents.
Claims
1. An electric vehicle frame with a protective structure, comprising a frame body (15), characterized in that, On one side of the frame body (15), a front fork (1) is fixedly connected. A battery box (2) is arranged below the frame body (15). On both sides of the outer ring of the front fork (1), cross bars (5) are arranged. Inside the cross bars (5), round bars (10) are vertically arranged. A short block (6) is sleeved on the outer ring of the round bar (10). On one side of the short block (6), a protection plate (4) is fixedly connected. The top of the round bar (10) penetrates through the top of the inner cavity of the cross bar (5) and is fixedly connected with a porous disc (8). On one side of the top of the cross bar (5), a vertical block (7) is fixedly connected. On one side of the vertical block (7), a structure box (9) is fixedly connected. Inside the structure box (9), an insertion rod (11) adapted to the porous disc (8) is vertically arranged. The bottom of the insertion rod (11) penetrates through the bottom of the inner cavity of the structure box (9) and is inserted into the inner cavity of the porous disc (8).
2. The electric vehicle frame with a protective structure according to claim 1, characterized in that, On both sides of the outer ring of the front fork (1), sleeves (3) are sleeved. On one side of the outer ring of the sleeve (3), it is fixedly connected with one end of the adjacent cross bar (5).
3. The electric vehicle frame with a protection structure according to claim 1, wherein, The bottom of the round bar (10) is rotatably connected with the bottom of the inner cavity of the adjacent cross bar (5) through a rotating shaft. The top of the round bar (10) penetrates through the top of the inner cavity of the corresponding cross bar (5) through a bushing.
4. A frame of an electric vehicle with a protection structure according to claim 1, wherein, A retaining piece (12) is sleeved on the outer ring of the insertion rod (11). The bottom of the retaining piece (12) abuts against the bottom of the inner cavity of the adjacent structure box (9). The top of the insertion rod (11) penetrates through the top of the inner cavity of the corresponding structure box (9) and is fixedly connected with a grip (14).
5. A frame of an electric vehicle with a protective structure according to claim 4, characterized in that, A spring (13) is installed on the outer ring of the insertion rod (11). The top of the retaining piece (12) is elastically connected with the top of the inner cavity of the adjacent structure box (9) through the spring (13).
6. The electric vehicle frame with a protection structure according to claim 1, wherein, On both sides of the battery box (2), it is fixedly connected with the bottom of the frame body (15) through connecting rods.