A new energy automobile charging plug with high sealing performance

Abstract

This utility model discloses a highly airtight charging plug for new energy vehicles, including a charging gun body. A charging plug is located at the end of the charging gun body. A storage groove located behind the charging plug is formed inside the charging gun body. A protective cover is slidably connected inside the storage groove. A retraction groove communicating with the storage groove is formed inside the charging gun body. A sliding foot is integrally connected to one side of the protective cover. The sliding foot is slidably connected to the inside of the retraction groove. A push-out spring is provided inside the retraction groove. A movable groove is formed on the outer circumference of the charging plug. A guide rod is fixedly installed inside the movable groove. A sliding block located inside the movable groove is slidably connected to the guide rod. A return spring is sleeved on the outside of the guide rod. The protective cover protects the vehicle's charging port and charging plug internally, preventing rainwater from entering the charging port and the connection point of the charging plug.

Description

Technical Field

[0001] This utility model relates to the field of charging gun technology, specifically a new energy vehicle charging plug with high sealing performance. Background Technology

[0002] Energy-saving and environmentally friendly electric vehicles have become an inevitable trend in the automotive industry. However, while automakers around the world are focusing on developing electric vehicle technology, the charging standards for electric vehicles are also an important factor affecting their popularization. As electric vehicles receive more and more support in various countries, more and more charging stations are being built, which in turn leads to an increase in the use of charging guns.

[0003] When using a charging gun outdoors, it may encounter rainy weather. In this case, water may seep into the connection between the charging head and the car, causing rainwater to enter the charging gun and damage it.

[0004] Therefore, we propose a new energy vehicle charging plug with high sealing performance. Utility Model Content

[0005] The purpose of this invention is to provide a new energy vehicle charging plug with high sealing performance to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-sealing new energy vehicle charging plug, comprising a charging gun body, a charging plug at the end of the charging gun body, a storage groove located behind the charging plug inside the charging gun body, a protective cover slidably connected inside the storage groove, a shrinking groove communicating with the storage groove inside the charging gun body, a sliding foot integrally connected to one side of the protective cover, the sliding foot slidably connected to the inside of the shrinking groove, a push-out spring inside the shrinking groove, a movable groove on the outer circumference of the charging plug, a guide slide rod fixedly installed inside the movable groove, a sliding block slidably connected through the guide slide rod inside the movable groove, a return spring sleeved outside the guide slide rod, a connecting collar fixedly installed at the end of the sliding block wrapping around the charging plug, a telescopic groove inside the connecting collar, a buffer spring inside the telescopic groove, telescopic columns slidably connected through both ends of the telescopic groove, and a sealing ring fixedly installed at the other end of the telescopic column inside the protective cover.

[0007] Optionally, the length of the shrink groove is greater than the depth of the receiving groove, one end of the ejector spring is fixedly installed to the bottom of the shrink groove, and the other end of the ejector spring is in close contact with the sliding foot.

[0008] Optionally, one end of the movable slot is flush with the end of the charging gun body, and the other end of the movable slot is located in the middle of the outer peripheral surface of the charging plug.

[0009] Optionally, the inner ring surface of the sealing ring is in a sealing sliding connection with the outer peripheral surface of the charging plug, and the outer ring surface of the sealing ring is in sealing sliding contact with the inner wall of the protective cover.

[0010] Optionally, the length of the protective cover is greater than the length of the charging plug, the end of the protective cover is flush with the end of the charging plug, and a rubber ring is provided at the end of the protective cover.

[0011] Optionally, the sliding block is slidably connected to the interior of the movable groove, the sliding block is integrally connected to the middle part of the inner wall of the connecting collar, and the thickness of the connecting collar is less than the thickness of the sealing ring.

[0012] Optionally, one end of the reset spring is in close contact with the end of the movable groove near the charging gun body, and the other end of the reset spring is in close contact with the side of the sliding block.

[0013] Compared with the prior art, the beneficial effects of this utility model are: This highly airtight new energy vehicle charging plug features a protective cover. When the charging plug is inserted into the car's charging port, the cover comes into tight contact with the outside of the charging port to create a seal. When the charging plug is unplugged, the cover extends as the plug moves, protecting the charging port and the charging plug inside and preventing rainwater from entering the connection between the charging port and the charging plug.

[0014] This highly sealed new energy vehicle charging plug features a sealing ring. When the charging plug is plugged in or unplugged, the connecting collar moves along the movable groove, preventing rainwater from moving along the outer circumference of the charging plug to the connection between the charging gun body and the charging plug, thus preventing water ingress. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a high-sealing charging plug for new energy vehicles according to this utility model. Figure 2 This is a schematic diagram of the charging gun body of a new energy vehicle charging plug with high sealing performance according to this utility model. Figure 3 This is a schematic diagram of the connecting collar of a new energy vehicle charging plug with high sealing performance according to this utility model. Figure 4 This is a schematic diagram of the connecting collar of a new energy vehicle charging plug with high sealing performance according to this utility model.

[0016] In the diagram: 1. Charging gun body; 2. Charging plug; 3. Storage slot; 4. Ejection spring; 5. Protective cover; 6. Sliding foot; 7. Movable slot; 8. Guide slide rod; 9. Reset spring; 10. Sliding block; 11. Connecting collar; 12. Telescopic slot; 13. Buffer spring; 14. Telescopic column; 15. Sealing ring. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figures 1 to 4 This utility model provides a highly sealed charging plug for new energy vehicles, including a charging gun body 1, a charging plug 2 at the end of the charging gun body 1, a storage groove 3 located behind the charging plug 2 inside the charging gun body 1, a protective cover 5 slidably connected inside the storage groove 3, a shrinkage groove 16 communicating with the storage groove 3 inside the charging gun body 1, a sliding foot 6 integrally connected to one side of the protective cover 5, the sliding foot 6 slidably connected to the inside of the shrinkage groove 16, a push-out spring 4 inside the shrinkage groove 16, a movable groove 7 on the outer periphery of the charging plug 2, a guide slide rod 8 fixedly installed inside the movable groove 7, a sliding block 10 slidably connected through the guide slide rod 8 inside the movable groove 7, and a sleeve on the outside of the guide slide rod 8. A return spring 9 is provided. The end of the sliding block 10 is fixedly installed with a connecting collar 11 that wraps around the charging plug 2. The connecting collar 11 has a telescopic groove 12 inside. A buffer spring 13 is provided inside the telescopic groove 12. Telescopic columns 14 are slidably connected through both ends of the telescopic groove 12. A sealing ring 15 located inside the protective cover 5 is fixedly installed at the other end of the telescopic column 14. By setting the protective cover 5, when the charging plug 2 is inserted into the charging port of the car, the protective cover 5 is in close contact with the outside of the charging port of the car to seal it. When the charging plug 2 is unplugged, the protective cover 5 extends with the movement of the charging plug 2. The protective cover 5 protects the charging port of the car and the charging plug 2 inside, preventing rainwater from entering the charging port and the connection of the charging plug 2.

[0019] The length of the shrink groove 16 is greater than the depth of the storage groove 3. One end of the ejector spring 4 is fixedly installed at the bottom of the shrink groove 16, and the other end of the ejector spring 4 is in close contact with the sliding foot 6. One end of the movable groove 7 is flush with the end of the charging gun body 1, and the other end of the movable groove 7 is located in the middle of the outer circumference of the charging plug 2. The inner ring surface of the sealing ring 15 is in a sealing sliding connection with the outer circumference of the charging plug 2, and the outer ring surface of the sealing ring 15 is in sealing sliding contact with the inner wall of the protective cover 5. The length of the protective cover 5 is greater than the length of the charging plug 2, and the end of the protective cover 5 is flush with the end of the charging plug 2. The end of the protective cover 5 is set with... There is a rubber ring, the sliding block 10 is slidably connected to the inside of the movable groove 7, the sliding block 10 is integrally connected to the middle of the inner wall of the connecting collar 11, the thickness of the connecting collar 11 is less than the thickness of the sealing ring 15, one end of the return spring 9 is in close contact with the end of the movable groove 7 near the charging gun body 1, and the other end of the return spring 9 is in close contact with the side of the sliding block 10. By setting the sealing ring 15, when the charging plug 2 is plugged in or unplugged, the connecting collar 11 moves along the movable groove 7, while preventing rainwater from moving along the outer circumference of the charging plug 2 to the connection between the charging gun body 1 and the charging plug 2, thus preventing water from entering.

[0020] Working principle: When the charging plug 2 is inserted into the car's charging port, the protective cover 5 comes into close contact with the outside of the car's charging port to seal it. When the charging plug 2 is unplugged, the protective cover 5 extends as the charging plug 2 moves, protecting the car's charging port and the charging plug 2 inside, preventing rainwater from entering the charging port and the connection of the charging plug 2. When the charging plug 2 is plugged in or unplugged, the connecting collar 11 moves along the movable groove 7, preventing rainwater from moving along the outer circumference of the charging plug 2 to the connection between the charging gun body 1 and the charging plug 2, thus preventing water from entering.

[0021] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A new energy vehicle charging plug with high sealing performance, comprising a charging gun body (1), characterized in that, The charging gun body (1) has a charging plug (2) at its end. The charging gun body (1) has a storage slot (3) located behind the charging plug (2). A protective cover (5) is slidably connected inside the storage slot (3). The charging gun body (1) has a shrinkage slot (16) communicating with the storage slot (3). A sliding foot (6) is integrally connected to one side of the protective cover (5). The sliding foot (6) is slidably connected to the inside of the shrinkage slot (16). A push-out spring (4) is provided inside the shrinkage slot (16). A movable slot (7) is provided on the outer circumferential surface of the charging plug (2). The movable slot (7) has a fixed... A guide slide rod (8) is fixedly installed. The guide slide rod (8) is slidably connected to a sliding block (10) located inside the movable groove (7). A reset spring (9) is sleeved on the outside of the guide slide rod (8). A connecting collar (11) wrapped around the charging plug (2) is fixedly installed at the end of the sliding block (10). A telescopic groove (12) is opened inside the connecting collar (11). A buffer spring (13) is set inside the telescopic groove (12). Telescopic columns (14) are slidably connected through both ends of the telescopic groove (12). A sealing ring (15) located inside the protective cover (5) is fixedly installed at the other end of the telescopic column (14).

2. The new energy vehicle charging plug with high sealing property according to claim 1, characterized in that, The length of the shrinkage groove (16) is greater than the depth of the storage groove (3). One end of the ejection spring (4) is fixedly installed at the bottom of the shrinkage groove (16), and the other end of the ejection spring (4) is in close contact with the sliding foot (6).

3. The high-sealing new energy vehicle charging plug according to claim 1, wherein One end of the movable groove (7) is flush with the end of the charging gun body (1), and the other end of the movable groove (7) is located in the middle of the outer peripheral surface of the charging plug (2).

4. The high-sealing new energy vehicle charging plug according to claim 1, wherein The inner ring surface of the sealing ring (15) is in a sealed sliding connection with the outer peripheral surface of the charging plug (2), and the outer ring surface of the sealing ring (15) is in a sealed sliding contact with the inner wall of the protective cover (5).

5. The high-sealing new energy vehicle charging plug according to claim 1, wherein The length of the protective cover (5) is greater than the length of the charging plug (2), the end of the protective cover (5) is flush with the end of the charging plug (2), and a rubber ring is provided at the end of the protective cover (5).

6. The high-sealing new energy vehicle charging plug according to claim 1, wherein The sliding block (10) is slidably connected to the inside of the movable groove (7), and the sliding block (10) is integrally connected to the middle part of the inner wall of the connecting collar (11). The thickness of the connecting collar (11) is less than the thickness of the sealing ring (15).

7. The high-sealing new energy vehicle charging plug according to claim 3, characterized in that, One end of the reset spring (9) is in close contact with the end of the movable groove (7) near the charging gun body (1), and the other end of the reset spring (9) is in close contact with the side of the sliding block (10).

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