Waterproof structure of power line

Abstract

The utility model relates to a battery protection structure, and discloses a waterproof structure of a power line, which is characterized in that an elastic lead column (13) which penetrates through a threading hole (12) and penetrates through a second elastic sealing gasket (9) vertically extends from the plane, close to the second elastic sealing gasket (9), of a first elastic sealing gasket (8), and a threading groove (14) for a power line (3) to penetrate through penetrates through the elastic lead column (13); according to the waterproof structure of the power line, the power line (3) arranged on the battery pack (2) can penetrate through the end cover (5) through the threading groove (14) in the elastic lead column (13) so as to supply power to the outside. When the power line (3) is pulled by an external force, the hard threading hole (12) on the hard end cover (5) can support the elastic wire column (13) and the power line (3) arranged in the elastic wire column (13) in a penetrating manner, so that the stability of the joint of the power line (3) and the end cover (5) is ensured. The elastic wire column (13) can deform synchronously along with the power line (3), so that the deformation gap generated by the power line (3) is reduced, and the waterproofness of the hole of the power line (3) is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery protection structure especially relates to power cord waterproof structure. BACKGROUND

[0002] Battery as energy storage element, must be in dry, stable and suitable temperature environment when using, so battery pack must be installed in sealed and structure stable protection cavity. Since battery is also used as energy supply element, must be through the connection power cord output electric energy, therefore power opening is also necessary structure. The utility model patent discloses a kind of similar power cord in the announcement No. CN214671917U. Power cord is usually inevitably subjected to external force pulling in use environment, to cause bending deformation, when power cord is deformed to one side, the other side will correspondingly appear gap, influence the waterproof performance of power opening, therefore there is still room for improvement. UTILITY MODEL CONTENT

[0003] The utility model provides a kind of power cord waterproof structure for the shortcomings of prior art, can still keep the waterproofness of power opening when power cord is subjected to external force pulling.

[0004] To solve the above technical problems, the utility model solves by the following technical scheme:

[0005] A kind of power cord waterproof structure, including battery compartment and the battery pack being set in battery compartment, power cord is set on battery pack, hard end cap is covered at the opening of battery compartment, end cap includes cover plate and the surrounding board of the edge of cover plate and is inserted in the surrounding board of the opening of battery compartment, the outer plate face of cover plate is attached and is set with first elastic sealing gasket, the inner plate face of cover plate is attached and is set with second elastic sealing gasket, the plate face of cover plate is penetrated and is connected with hole, elastic connecting column is worn in connection hole, and the two ends of elastic connecting column are fixed to first elastic sealing gasket and second elastic sealing gasket respectively;The plate face of cover plate is also penetrated and is threaded, and the plane of first elastic sealing gasket close to second elastic sealing gasket is vertically extended and is threaded in threaded hole and passes through second elastic sealing gasket elastic wire column, and threaded hole is penetrated and is threaded with the wire slot of power cord, and the inner wall of wire slot is interference fit with power cord.

[0006] Using the above scheme, battery compartment can form protection outside battery pack, hard end cap can seal the opening of battery compartment, to prevent battery pack from leaving battery compartment. Power cord set on battery pack can pass through end cap through the wire slot on elastic wire column to supply power externally. When power cord is subjected to external force pulling, the hard threaded hole on hard end cap can provide support to elastic wire column and power cord threaded in elastic wire column, to ensure the stability of power cord and end cap connection. And elastic wire column can be deformed synchronously with power cord, to reduce the deformation gap generated by power cord, thereby improving the waterproofness of power cord opening.

[0007] Preferably, the inner side wall of the threading groove is annularly provided with a stable sealing ring near the first elastic sealing pad.

[0008] With the above arrangement, the stable sealing ring can make the power cord and the threading groove near the first elastic sealing pad more closely combined, so as to improve the stability of the connection between the power cord and the end cover.

[0009] Preferably, the inner side wall of the threading groove is annularly provided with a stable sealing ring near the first elastic sealing pad.

[0010] With the above arrangement, when the power cord is stretched and deformed, the stable sealing ring can keep the elastic wire column in a wrapped and sealed state, so that the waterproof performance of the connection between the power cord and the end cover is not affected.

[0011] Preferably, the stable sealing ring is provided with two, and the two stable sealing rings are arranged along the length direction of the threading groove.

[0012] With the above arrangement, the two stable sealing rings can further improve the wrapping and sealing performance of the elastic wire column, thereby further improving the waterproof performance of the power cord.

[0013] Preferably, the outer circumferential surface of the elastic wire column is annularly provided with a positioning clamping groove corresponding to the position of the stable sealing ring, and a positioning clamping ring is annularly clamped in the positioning clamping groove.

[0014] With the above arrangement, the clamping cooperation between the positioning clamping ring and the positioning clamping groove can further improve the connection tightness between the power cord and the threading groove, thereby further increasing the waterproof performance of the elastic wire column to the power cord.

[0015] Preferably, the outer side wall of the surrounding plate is provided with a buckle, and the inner wall of the battery compartment is annularly provided with a clamping groove for buckling the buckle near the opening.

[0016] With the above arrangement, the clamping cooperation between the buckle and the clamping groove can increase the connection stability between the surrounding plate and the opening of the battery compartment, thereby improving the protection performance of the end cover to the battery pack.

[0017] Preferably, the buckle is provided with two and is arranged on both sides of the surrounding plate, and the clamping groove is also provided with two and is arranged on the two side walls of the battery compartment.

[0018] With the above arrangement, the two buckles and the two clamping grooves are one-to-one correspondingly clamped, which can further improve the connection stability between the end cover and the opening of the battery compartment.

[0019] This invention, by employing the above technical solutions, achieves significant technical advantages: the battery compartment provides protection on the outside of the battery pack, and the rigid end cap seals the opening of the battery compartment to prevent the battery pack from leaving it. The power cords mounted on the battery pack pass through the end cap via the threaded grooves on the elastic conductor posts to supply power. When the power cords are pulled by external force, the rigid threaded holes on the rigid end cap provide support for the elastic conductor posts and the power cords passing through them, ensuring the stability of the connection between the power cords and the end cap. Furthermore, the elastic conductor posts deform synchronously with the power cords, reducing the deformation gaps created by the power cords and thus improving the waterproofing at the openings of the power cords. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of Embodiment 1;

[0021] Figure 2 The explosion in this embodiment one Figure 1 ;

[0022] Figure 3 For the explosion in this embodiment one Figure 2 ;

[0023] Figure 4 For the explosion in this embodiment one Figure 3 ;

[0024] Figure 2 for Figure 6 An enlarged schematic diagram of part A shown;

[0025] Figure 7 This is a schematic diagram of the structure of Embodiment 2;

[0026] Figure 6 for Figures 1 to 4 An enlarged schematic diagram of part B shown.

[0027] The parts referred to by the numbers in the above attached diagrams are as follows: 1. Battery compartment; 2. Battery pack; 3. Power cord; 4. Opening; 5. End cap; 6. Cover plate; 7. Enclosure plate; 8. First elastic sealing gasket; 9. Second elastic sealing gasket; 10. Connecting hole; 11. Elastic connecting post; 12. Wire hole; 13. Elastic wire post; 14. Wire groove; 15. Retaining sealing ring; 16. Accompanying sealing ring; 17. Positioning slot; 18. Positioning ring; 19. Buckle; 20. Snap-fit ​​groove. Detailed Implementation

[0028] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0029] Example 1

[0030] like Figure 5As shown, the power cord waterproof structure disclosed by the embodiment comprises a battery compartment 1 and a battery pack 2 arranged in the battery compartment 1. The battery compartment 1 is preferably made of aluminum alloy, which is not only light but also structurally strong. The battery pack 2 is electrically connected with a power cord 3. A hard end cover 5 is arranged at an opening 4 of the battery compartment 1. The hard end cover 5 is a plastic part. Specifically, the hard end cover 5 comprises a cover plate 6 and a surrounding plate 7 arranged around the edge of the cover plate 6 and inserted into the opening 4 of the battery compartment 1. A first elastic sealing gasket 8 is arranged on the outer surface of the cover plate 6. A second elastic sealing gasket 9 is arranged on the inner surface of the cover plate 6. A connecting hole 10 is arranged through the surface of the cover plate 6. An elastic connecting column 11 is arranged in the connecting hole 10. The two ends of the elastic connecting column 11 are fixed to the first elastic sealing gasket 8 and the second elastic sealing gasket 9, respectively. The first elastic sealing gasket 8, the second elastic sealing gasket 9 and the elastic connecting column 11 are integrally formed by soft glue injection molding. A wire hole 12 is arranged through the surface of the cover plate 6. An elastic wire column 13 is arranged through the wire hole 12 and the second elastic sealing gasket 9. The elastic wire column 13 is integrally connected to the first elastic sealing gasket 8. A wire slot 14 is arranged through the elastic wire column 13. The inner wall of the wire slot 14 is in interference fit with the power cord 3.

[0031] As shown in Figure 6 In order to ensure the stability of the connection between the end cover 5 and the battery compartment 1, the outer side wall of the surrounding plate 7 is provided with a buckle 19. The inner wall of the battery compartment 1 is provided with a clamping groove 20 for clamping the buckle 19 at a position close to the opening 4.

[0032] Embodiment two

[0033] As shown in Figure 6 On the basis of the first embodiment, a stable sealing ring 15 is arranged around the inner side wall of the wire slot 14 at a position close to the first elastic sealing gasket 8. A following sealing ring 16 is arranged around the inner side wall of the wire slot 14 at a position away from the first elastic sealing gasket 8. The following sealing ring 16 is provided with two, which are arranged along the length direction of the wire slot 14. The stable sealing ring 15 and the following sealing ring 16 are integrally connected to the inner wall of the wire slot 14 by soft glue injection molding.

[0034] As shown in Figure 7 and ​ In order to further improve the connection tightness between the wire slot 14 and the power cord 3, a positioning clamping groove 17 is arranged around the outer circumferential surface of the elastic wire column 13 at a position corresponding to the following sealing ring 16. A positioning clamping ring 18 is clamped around the positioning clamping groove 17. The positioning clamping ring 18 is preferably a self-locking type of cable tie, which is not only convenient to operate but also has strong binding ability.

[0035] The working principle will be described in combination with Embodiment One and Embodiment Two:

[0036] The battery compartment 1 can form a protection outside the battery pack 2, and the hard end cover 5 can seal the opening 4 of the battery compartment 1 to prevent the battery pack 2 from leaving the battery compartment 1. The power line 3 arranged on the battery pack 2 can pass through the end cover 5 through the threading groove 14 on the elastic lead post 13 to supply power externally. When the power line 3 is pulled by external force, the hard threading hole 12 on the hard end cover 5 can provide support for the elastic lead post 13 and the power line 3 threaded in the elastic lead post 13 to ensure the stability of the connection between the power line 3 and the end cover 5. The elastic lead post 13 can deform synchronously with the power line 3 to reduce the deformation gap generated by the power line 3, thereby improving the waterproofness of the opening of the power line 3. The stable sealing ring 15 arranged in the threading groove 14 can further stabilize the connection between the power line 3 and the end cover 5, and the two accompanying sealing rings 16 arranged in the threading groove 14 can increase the wrapping sealing performance of the elastic connecting post 11 to the power line 3, further improving the waterproof performance of the connection between the power line 3 and the end cover 5.

Claims

1. A power line waterproof structure, comprising a battery compartment (1) and a battery pack (2) arranged in the battery compartment (1), a power line (3) being arranged on the battery pack (2), characterized in that: The opening (4) of the battery compartment (1) is covered by a hard end cover (5), the end cover (5) comprises a cover plate (6) and a surrounding plate (7) surrounding the edge of the cover plate (6) and inserted into the opening (4) of the battery compartment (1), the outer plate surface of the cover plate (6) is attached with a first elastic sealing gasket (8), the inner plate surface of the cover plate (6) is attached with a second elastic sealing gasket (9), the plate surface of the cover plate (6) is penetrated by a connecting hole (10), an elastic connecting column (11) is inserted into the connecting hole (10), and the two ends of the elastic connecting column (11) are fixed to the first elastic sealing gasket (8) and the second elastic sealing gasket (9) respectively; the plate surface of the cover plate (6) is also penetrated by a threading hole (12), the plane of the first elastic sealing gasket (8) close to the second elastic sealing gasket (9) is vertically extended with an elastic wire column (13) inserted into the threading hole (12) and passing through the second elastic sealing gasket (9), the elastic wire column (13) is penetrated by a threading groove (14) for inserting the power cord (3), and the inner wall of the threading groove (14) is in interference fit with the power cord (3).

2. The power cord waterproofing structure of claim 1, wherein: The inner side wall of the threading groove (14) is annularly provided with a stable sealing ring (15) close to the first elastic sealing gasket (8).

3. The power cord waterproofing structure according to claim 1 or 2, characterized by: The inner side wall of the threading groove (14) is annularly provided with a following sealing ring (16) away from the first elastic sealing gasket (8).

4. The power cord waterproofing structure of claim 3, wherein: The following sealing ring (16) is provided with two, and the two following sealing rings (16) are arranged along the length direction of the threading groove (14).

5. The power cord waterproofing structure of claim 3, wherein: The outer peripheral surface of the elastic wire column (13) is annularly provided with a positioning clamping groove (17) corresponding to the position of the following sealing ring (16), and the positioning clamping groove (17) is annularly clamped with a positioning clamping ring (18).

6. The power cord waterproofing structure according to claim 1 or 2, characterized by: The outer side wall of the surrounding plate (7) is provided with a buckle (19), and the inner wall of the battery compartment (1) is provided with a clamping groove (20) close to the opening (4) for buckling (19).

7. The power cord waterproofing structure of claim 6, wherein: The buckle (19) is provided with two and is arranged on both sides of the surrounding plate (7), and the clamping groove (20) is also provided with two and is arranged on both side walls of the battery compartment (1).

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