Waterproof structure of electric vehicle controller

By designing waterproof mounting components and cable positioning components on the electric vehicle controller, the problem of water leakage in rainy weather was solved, the sealing effect was improved and the cable was stably positioned, ensuring the normal operation of the electric vehicle.

CN223957764UActive Publication Date: 2026-02-27TIANJIN ONDA ELECTRIC BICYCLE CO LTD
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Patent Information

Application Number
CN202520404876.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-02-27
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Existing electric vehicle controllers are prone to water leakage at the connection points during rainy days, which can affect their normal operation.

Method used

It employs waterproof installation components and cable positioning components, including rubber rings, insert plates, slots, posts, nuts, inclined protective box bottom walls, and drainage holes. Combined with the sealing design of the rubber rings and the stable positioning of the cables, the sealing effect is enhanced.

Benefits of technology

It effectively prevents external water from entering the controller, ensuring the electric vehicle operates normally in rainy weather. Water in the protective box is drained smoothly, and the cable is stably positioned to avoid shaking and affecting the seal.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223957764U_ABST
Patent Text Reader

Abstract

The utility model discloses an electric vehicle controller waterproof structure, which comprises a base, the top of the base is fixedly connected with a protection box, the inside of the protection box is fixedly connected with a controller body, and the top of the protection box is detachably provided with a top cover. The utility model belongs to the technical field of electric vehicle controllers, and particularly relates to a waterproof structure of an electric vehicle controller, which solves the problem that external water is easy to enter through a joint since the electric vehicle controller is only mounted through a cover plate.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to electric motor car controller technical field especially relates to a waterproof structure of electric motor car controller. BACKGROUND

[0002] Electric motor car controller is used to control the starting, running, advancing and retreating, speed, stopping of electric motor car motor and other electronic devices of electric motor car, and it is like the brain of electric motor car, and is an important part on electric motor car.

[0003] Because the internal structure of electric motor car is easy to enter water when going out in the rainy day, the electric motor car controller in the prior art is only installed through the cover plate, so that the water from outside is easy to enter the controller through the connecting part and affects the normal use. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem that the electric motor car controller is only installed through the cover plate and the water from outside is easy to enter.

[0005] In order to solve the above technical problem, the utility model adopts the following technical scheme: a waterproof structure of electric motor car controller, including the base, the top of base is fixedly connected with the protection box, the inside of protection box is fixedly connected with the controller body, the top of protection box is detachably equipped with the top cover, further including

[0006] Waterproof installation assembly is arranged on the top cover and the protection box, including rubber ring one and rubber ring two, the inside wall of protection box is fixedly connected with the inner ring plate, and the section is L type setting, rubber ring one is fixedly connected on the inner wall of protection box, and it is located in the inner ring plate, rubber ring two is fixedly connected on the bottom wall of top cover, and the bottom is located between the inner ring plate and rubber ring one, the bottom wall of top cover is equipped with the plugboard, the top wall of protection box is equipped with the slot around, the plugboard is inserted in the slot, the both side walls of top cover are equipped with the side block, the both sides of protection box are equipped with the protruding block, the bottom wall of side block is fixedly connected with the plug post, the lower end of plug post is vertically through the protruding block and is slidably connected with it, the plug post is screw threadedly connected with the nut, and it is located below the protruding plate.

[0007] Cable positioning assembly is arranged on one side of the protection box, and it is linearly arranged and distributed, and is used for the positioning of wire.

[0008] Further, the inner bottom wall of the protection box is inclined, one side of the bottom of the protection box is provided with a water leakage hole, the water leakage holes are uniformly arranged and distributed, one side of the protection box is provided with a linearly arranged and distributed threading hole, and the threading hole is provided with a sealing ring.

[0009] Further, the cable positioning assembly comprises a horizontal plate, a placing block and a pressing block, the horizontal plate is fixedly connected to the outer wall of the protection box, the placing block is fixedly connected to the top wall of the horizontal plate, symmetrically distributed vertical plates are fixedly connected to the top of the horizontal plate, a bending plate is rotatably connected between the vertical plates, springs are fixedly connected between the bottom end of the bending plate and the horizontal plate, the pressing block is fixedly connected to the bottom of the bending plate, a cylinder is fixedly connected to the bottom end of the bending plate, a side hole is arranged on one side of the horizontal plate, the lower end of the cylinder passes through the side hole and is located below the horizontal plate, a positioning block is threadedly connected to the cylinder and located below the horizontal plate.

[0010] Further, the protection box is provided with guide rods rotatably connected between the inner walls of the protection box and symmetrically distributed above and below, and the guide rods are provided with grooves linearly arranged and distributed.

[0011] Further, the bottom wall of the pressing block and the top wall of the placing block are recessed, and the recessed portions are in a trapezoidal shape, and the pressing block is arranged directly above the placing block.

[0012] Further, the grooves, the wire passing holes, the placing block and the pressing block are one-to-one corresponding.

[0013] After the above structure is adopted, the beneficial effects of the present application are as follows:

[0014] (1) The sealing and waterproof effect of the connection portion can be increased by inserting the plug plate into the plug groove, and inserting the rubber ring II into the inner portion of the inner ring plate, and the outer wall of the rubber ring II is attached to the outer wall of the rubber ring I;

[0015] (2) The stability of the cable can be ensured by pressing the cable between the pressing block and the placing block, and the sealing effect of the connection portion of the protection box can be prevented from being deteriorated due to the shaking of the cable;

[0016] (3) The inclination of the inner bottom wall of the protection box and the arrangement of the water leakage hole are arranged to prevent accidents and facilitate the outflow of the water infiltrated into the protection box. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the embodiments of the present application to explain the present application, and do not constitute a limitation on the present application.

[0018] Figure 1 The overall structure of the waterproof structure of the electric vehicle controller is shown in the schematic diagram of the present application;

[0019] Figure 2 The three-dimensional structure of the waterproof structure of the electric vehicle controller is shown in the schematic diagram of the present application;

[0020] Figure 3 The front view of the waterproof structure of the electric vehicle controller is shown in the schematic diagram of the present application;

[0021] Figure 4 This is a cross-sectional view of a waterproof structure for an electric vehicle controller proposed in this utility model;

[0022] Figure 5 This is a schematic diagram of the cable positioning component structure of a waterproof structure for an electric vehicle controller proposed in this utility model.

[0023] In the attached diagram: 1. Base, 2. Protective box, 3. Controller body, 4. Top cover, 5. Rubber ring one, 6. Rubber ring two, 7. Inner ring plate, 8. Insert plate, 9. Slot, 10. Side block, 11. Protrusion, 12. Insert post, 13. Nut, 14. Drain hole, 15. Wiring hole, 16. Sealing ring, 17. Horizontal plate, 18. Placement block, 19. Pressure block, 20. Vertical plate, 21. Bending plate, 22. Spring, 23. Side hole, 24. Cylinder, 25. Positioning block, 26. Guide rod, 27. Groove. Detailed Implementation

[0024] like Figures 1-2 As shown, a waterproof structure for an electric vehicle controller includes a base 1, a protective box 2 fixedly connected to the top of the base 1, a controller body 3 fixedly connected inside the protective box 2, a detachable top cover 4 on the top of the protective box 2, and also includes a waterproof installation component and a cable positioning component.

[0025] like Figures 1-4 As shown, to enhance the sealing effect at the connection between the protective box 2 and the top cover 4, a waterproof mounting assembly is provided on the top cover 4 and the protective box 2, including a rubber ring 5 and a rubber ring 6. An inner ring plate 7 is fixedly connected to the inner wall of the protective box 2, and its cross-section is L-shaped. The rubber ring 5 is fixedly connected to the inner wall of the protective box 2 and is located inside the inner ring plate 7. The rubber ring 6 is fixedly connected to the bottom wall of the top cover 4, and its bottom is located between the inner ring plate 7 and the rubber ring 5. The bottom wall of the top cover 4 is provided with an insert plate 8, and the top wall of the protective box 2 is provided with slots 9 around its perimeter. The insert plate 8 is inserted into the slots 9. Side blocks 10 are provided on both sides of the top cover 4, and side blocks 10 are provided on both sides of the protective box 2. The bottom wall of the protrusion 11 and the side block 10 is fixedly connected with the insertion post 12. The lower end of the insertion post 12 vertically penetrates the protrusion 11 and is slidably connected to it. The insertion post 12 is threaded with a nut 13 and is located below the protrusion. The inner bottom wall of the protective box 2 is inclined. A water leakage hole 14 is provided on one side of the bottom of the protective box 2. The water leakage hole 14 is evenly distributed. A wire hole 15 is linearly distributed on one side of the protective box 2. A sealing ring 16 is provided inside the wire hole 15. The insertion plate 8 is inserted into the slot 9, and the rubber ring 6 enters the inner ring plate 7. Its outer wall is in contact with the outer wall of the rubber ring 5, which can increase the sealing and waterproof effect of the connection.

[0026] like Figure 4 and 5As shown, in order to avoid water from the cable and protective box 2 connection, cable positioning assembly is arranged on one side of the protective box 2, and it is linearly arranged for the positioning of the wire, the cable positioning assembly includes a horizontal plate 17, a placing block 18 and a pressing block 19, the horizontal plate 17 is fixedly connected to the outer wall of the protective box 2, the placing block 18 is fixedly connected to the top wall of the horizontal plate 17, the top of the horizontal plate 17 is fixedly connected with symmetrically distributed vertical plates 20, the vertical plates 20 are rotatably connected with the bending plate 21, the bottom end of the bending plate 21 and the horizontal plate 17 are fixedly connected with the spring 22, the pressing block 19 is fixedly connected to the bottom of the bending plate 21, the bottom wall of the pressing block 19 and the top wall of the placing block 18 are concave, and the concave part is trapezoidal, the pressing block 19 is arranged directly above the placing block 18, the grooves 27, the wire hole 15, the placing block 18 and the pressing block 19 correspond one by one, the bottom end of the bending plate 21 is fixedly connected with a cylinder 24, one side of the horizontal plate 17 is provided with a side hole 23, the lower end of the cylinder 24 passes through the side hole 23 and is located below the horizontal plate 17, the cylinder 24 is threadedly connected with a positioning block 25, the positioning block 25 is located below the horizontal plate 17, guide rods 26 are rotatably connected between the inner walls of the protective box 2 and are symmetrically distributed above and below, the guide rods 26 are provided with linearly arranged grooves 27, the guide rods 26 and the grooves 27 can guide the cables inside the protective box 2, avoid the internal cable too messy, the cable is compressed by the placing block 18 and the pressing block 19, the stability of the cable is ensured, and the sealing effect of the connection with the protective box 2 is avoided.

[0027] In specific use, the end of the bending plate 21 close to the spring 22 is pressed to make the pressing block 19 move up, the wire on the controller body 3 passes through the grooves 27 between the guide rods 26, the sealing ring 16 inside the wire hole 15 and between the pressing block 19 and the placing block 18, then the bending plate 21 is released, the pressing block 19 moves down under the action of the spring 22, the cylinder 24 moves in the side hole 23 in the movement of the bending plate 21, the pressing block 19 moves down until the cable is compressed between the pressing block 19 and the placing block 18, then the positioning hole is screwed to the position close to the bottom wall of the horizontal plate 17, which can ensure the stability of the cable and avoid the sealing effect of the connection with the protective box 2 caused by the shaking of the cable, then the plug plate 8 at the bottom of the top cover 4 is inserted into the plug slot 9, the plug column 12 is inserted into the protruding block 11, at this time the rubber ring two 6 enters the inside of the inner ring plate 7, and the outer wall thereof is fitted with the outer wall of the rubber ring one 5, which increases the sealing and waterproof effect of the connection, then the nut 13 is screwed to the lower end of the plug column 12, which can complete the installation of the top cover 4.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents. In general, if a person skilled in the art is inspired by the present application, without departing from the purpose of the present application, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the present application.

Claims

1. An electric vehicle controller waterproof structure, comprising a base (1), the top of the base (1) is fixedly connected with a protective box (2), the inside of the protective box (2) is fixedly connected with a controller body (3), and the top of the protective box (2) is detachably provided with a top cover (4), characterized in that: Also includes ​ The waterproof installation assembly is arranged on the top cover (4) and the protection box (2), including rubber ring one (5) and rubber ring two (6), the inner wall of the protection box (2) is fixedly connected with the inner ring plate (7), and the section is L-shaped arrangement, the rubber ring one (5) is fixedly connected on the inner wall of the protection box (2), and it is located in the inner ring plate (7), the rubber ring two (6) is fixedly connected on the bottom wall of the top cover (4), and the bottom is located between the inner ring plate (7) and the rubber ring one (5), the bottom wall of the top cover (4) is provided with the plugboard (8), the top wall of the protection box (2) is provided with the slot (9), the plugboard (8) is inserted into the slot (9), the both side walls of the top cover (4) are provided with the side block (10), the both sides of the protection box (2) are provided with the lug (11), the bottom wall of the side block (10) is fixedly connected with the plug column (12), the lower end of the plug column (12) penetrates through the lug (11) and is slidably connected with the lug (11), the plug column (12) is threadedly connected with the nut (13), and the nut (13) is located below the lug. The cable positioning assembly is arranged on one side of the protection box (2) and is linearly arranged and distributed for positioning the wire.

2. The waterproof structure of an electric vehicle controller according to claim 1, characterized in that: The inner bottom wall of the protection box (2) is inclinedly arranged, one side of the bottom of the protection box (2) is provided with a water leakage hole (14), the water leakage holes (14) are uniformly arranged and distributed, one side of the protection box (2) is provided with linearly arranged and distributed wire holes (15), and the wire holes (15) are provided with sealing rings (16) inside.

3. The waterproof structure of an electric vehicle controller according to claim 1 or 2, characterized in that: The cable positioning assembly includes a horizontal plate (17), a placement block (18) and a pressing block (19), the horizontal plate (17) is fixedly connected to the outer wall of the protection box (2), the placement block (18) is fixedly connected to the top wall of the horizontal plate (17), the top of the horizontal plate (17) is fixedly connected with symmetrically distributed vertical plates (20), the vertical plates (20) are rotatably connected with the bent plate (21) between them, the bottom of the bent plate (21) is fixedly connected with the spring (22) between one end and the horizontal plate (17), the pressing block (19) is fixedly connected to the bottom of the bent plate (21), one end of the bottom of the bent plate (21) is fixedly connected with a cylinder (24), one side of the horizontal plate (17) is provided with a side hole (23), the lower end of the cylinder (24) penetrates through the side hole (23) and is located below the horizontal plate (17), the cylinder (24) is threadedly connected with a positioning block (25), and the positioning block (25) is located below the horizontal plate (17).

4. The waterproof structure of an electric vehicle controller according to claim 3, characterized in that: The inner wall of the protection box (2) is rotatably connected with guide rods (26), which are symmetrically distributed above and below, and the guide rods (26) are provided with linearly arranged and distributed grooves (27).

5. The waterproof structure of an electric vehicle controller according to claim 4, characterized in that: The bottom wall of the pressing block (19) and the top wall of the placement block (18) are recessed, and the recesses are trapezoidal, and the pressing block (19) is arranged directly above the placement block (18).

6. The waterproof structure of an electric vehicle controller according to claim 5, characterized in that: The grooves (27), the wire holes (15), the placement block (18) and the pressing block (19) correspond one by one.