Gun wire protection structure for charging gun

Abstract

The utility model discloses a gun wire protection structure for a charging gun, which comprises a plug, a tail cover, a wire sealing body and a cable, one end of the tail cover is plugged with the plug and covers the plug, the wire sealing body is arranged in the other end of the tail cover in a limiting manner, the cable is arranged in the wire sealing body in a penetrating manner, and a cable stripping part of the cable penetrates through the wire sealing body and is arranged at one end, close to the plug, in the tail cover. And the cable sealing body is in interference fit with the tail cover and the cable, so that the cable and the tail cover are sealed through the cable sealing body. According to the utility model, multiple sealing parts are adopted, and the cable stripping part of the cable is sealed in the tail cover through the cable sealing body, so that the cable stripping part is prevented from being exposed, and the safety risk problem caused by water invasion of the charging gun and the like is avoided; and the cable sealing body is made of materials with compression amount, such as rubber, so that the cable sealing body can be in interference fit with the tail cover and the cable, the expansion amount of the cable is not prevented and the cable is not abraded while sealing is realized, and thus the service life of the whole charging gun cable is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy charging systems, and in particular to a gun line protection structure for a charging gun. Background Art

[0002] As the concept of environmental protection becomes more popular, more and more people choose new energy vehicles to travel. The growth of this product has also promoted the development of the new energy vehicle charging gun industry. Various types of charging guns have been born in the market, and the charging safety of new energy vehicles has always been the most concerned issue for car owners.

[0003] In the prior art, the internal sealing structure of the two-half structure of the AC charging gun generally includes a plug, a tail cover, and a cable. However, in the prior art, the cable stripping part is exposed, which cannot avoid the safety risk of leakage caused by water entering the cable stripping part when the charging gun is immersed in water. Utility Model Content

[0004] The purpose of the utility model is to provide a gun wire protection structure for a charging gun, so as to solve the technical problem in the background technology that the cable stripping part is exposed, which easily leads to leakage and other safety risks.

[0005] The utility model solves the above problems through the following technical solutions:

[0006] A gun wire protection structure for a charging gun comprises a plug, a tail cover, a wire sealing body and a cable, wherein one end of the tail cover is plugged into the plug and covers the outside of the plug, and the other end of the tail cover is provided with a wire sealing body as a limit position inside, and the cable is penetrated by the wire sealing body, and the cable stripping part of the cable passes through the wire sealing body and is arranged in the tail cover near one end of the plug, and the wire sealing body, the tail cover and the cable are interference fit so as to seal the cable and the tail cover through the wire sealing body; a sealing groove for setting a sealing ring is formed on the outside of one end of the plug near the tail cover, and the sealing ring is interference fit with the tail cover to achieve sealing between the tail cover and the plug.

[0007] As a further improvement of the present invention, a sealing ring is provided between the plug and the tail cover.

[0008] As a further improvement of the utility model, the plug is provided with a plurality of rib strips and a plurality of limiting protrusions on the outside of one end close to the tail cover, and the tail cover is provided with a plurality of U-shaped openings matching with the rib strips, and a plurality of mouth-shaped openings snap-fitting with the limiting protrusions.

[0009] As a further improvement of the utility model, a through hole is provided in the tail cover, and a tail hole is formed in the through hole at one end of the tail cover away from the plug, and the axial position of the sealing body is limited by the tail hole.

[0010] As a further improvement of the utility model, a through hole for the cable to pass through is provided inside the wire sealing body, and a plurality of lip edges arranged along the circumferential direction are formed outside the wire sealing body, and the plurality of lip edges are arranged at intervals.

[0011] As a further improvement of the utility model, a plurality of tail cover reinforcement ribs are arranged outside one end of the sealing line body of the tail cover, and the plurality of tail cover reinforcement ribs are evenly distributed.

[0012] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0013] The utility model seals the cable stripping part of the cable in the tail cover through the wire sealing body, so as to prevent the cable stripping part from being exposed and avoid the safety risk problems caused by water intrusion of the charging gun. The wire sealing body is made of a material with a compressible amount such as rubber, so that it can have an interference fit with the tail cover and the cable, and can achieve sealing while not preventing the expansion and contraction of the cable and causing no wear to the cable, thereby increasing the service life of the entire charging gun cable.

[0014] In addition, structural improvements have been made to the tail cover and the plug to ensure the strength of the tail cover while making the installation of the tail cover and the plug more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a gun wire protection structure for a charging gun of the utility model;

[0016] Figure 2 This is an explosion diagram of a gun wire protection structure for a charging gun of the utility model;

[0017] Figure 3 This is a front side schematic diagram of a gun wire protection structure for a charging gun of the utility model;

[0018] Figure 4 The utility model is a cross-sectional schematic diagram of a gun wire protection structure for a charging gun.

[0019] Reference numerals:

[0020] 1. Plug; 11. Rib strip; 12. Limiting protrusion; 2. Sealing ring; 3. Tail cover; 31. U-shaped opening; 32. Mouth-shaped opening; 33. Through hole in the tail cover; 34. Tail cover reinforcement rib; 4. Sealing body; 41. Lip; 5. Cable. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0022] On the contrary, the present application covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present application as defined by the claims. Further, in order to make the public have a better understanding of the present application, some specific details are described in detail in the detailed description of the present application below. Those skilled in the art can fully understand the present application without the description of these details.

[0023] The following will be combined Figure 1-4 A gun line protection structure for a charging gun involved in an embodiment of the present application is described in detail. It should be noted that the following embodiments are only used to explain the present application and do not constitute a limitation on the present application.

[0024] Example

[0025] like Figure 1-4 As shown, a gun wire protection structure for a charging gun comprises a plug 1, a sealing ring 2, a tail cover 3, a wire sealing body 4 and a cable 5, wherein one end of the tail cover 3 is plugged into the plug 1 and covers the outside of one end of the plug 1, a sealing ring 2 is arranged in a sealing groove on the outside of one end of the plug 1 near the tail cover, and the sealing ring 2 performs internal and external compression sealing to achieve the sealing of the tail cover 3 and the plug 1. Preferably, the tail cover and the sealing ring are interference fitted; a wire sealing body 4 is arranged at an inner limit position at the other end of the tail cover 3, one end of the cable 5 passes through the wire sealing body 4, and the cable stripping part of the cable passes through the wire sealing body and is arranged in the tail cover near one end of the plug, and the wire sealing body 4 has a compression amount to achieve interference fit with the tail cover 3 and the cable 5, so that the cable stripping part of the cable is sealed in the tail cover 3 through the wire sealing body, so as to prevent the cable stripping part from being exposed and avoid safety risks caused by water intrusion on the charging gun.

[0026] During installation, first install the sealing ring 2 in the sealing groove of the plug 1, and then cover the tail cover on one end of the plug 1, and the tail cover 3 and the plug 1 are sealed by the sealing ring; then the wire sealing body 4 is sleeved on the outside of the cable 5, and interference fit in the wire sealing body installation hole of the tail cover 3, and the cable 5 and the tail cover 3 are sealed by the interference fit of the wire sealing body 4, so that the cable stripping point is sealed inside the gun body.

[0027] In some embodiments, the cable stripping portion is sealed inside the gun body and is not limited to the cable stripping length and the number of cables.

[0028] like Figure 3-4 As shown, in this embodiment, the tail cover 3 is arranged on the outside of the plug 1, and a plurality of rib strips 11 and a plurality of limiting protrusions 12 are arranged on the outside of the end of the plug 1 close to the tail cover 3, and a plurality of U-shaped openings 31 matching with the rib strips 11 and a plurality of mouth-shaped openings 32 snap-fitting with the limiting protrusions 12 are arranged on the end of the tail cover 3 close to the plug, so as to limit the installation position of the plug and the tail cover through the U-shaped opening and the mouth-shaped opening, and prevent the plug and the tail cover from rotating relative to each other.

[0029] like Figure 3-4 As shown, in the present embodiment, the wire sealing body 4 is arranged in the tail cover 3, and is sealed with the cable through the wire sealing body, and a penetrating tail cover inner through hole 33 is arranged in the tail cover, and the inner diameter of the tail cover inner through hole close to the plug 1 is smaller than the inner diameter of the end away from the plug, and the wire sealing body 4 is arranged in the tail hole of the tail cover away from the end of the tail cover inner through hole, and the inner diameter of the tail cover inner through hole changes in a step-like manner to form a step, so as to realize the axial limitation of the wire sealing body.

[0030] Preferably, the wire sealing body is interference-fitted in the tail hole of the tail cover, and the tail cover is used for axial positioning. The wire sealing body is made of rubber or other materials and has a certain amount of compression. Specifically, a through hole for the cable 5 to pass through is provided inside the wire sealing body, and a plurality of lip edges 41 arranged along the circumferential direction are formed on the wire sealing body, the plurality of lip edges are arranged at intervals, and the plurality of lip edges are not less than two, preferably three.

[0031] Furthermore, since a tail cover tail hole with a larger inner diameter is provided inside the tail cover 3, the hardness of the end of the tail cover away from the plug is easily weakened. In this embodiment, a plurality of tail cover reinforcement ribs 34 are provided outside the end of the tail cover 3 away from the plug. The plurality of tail cover reinforcement ribs 34 are evenly distributed outside the tail cover to improve the strength of the tail cover.

[0032] Although the present invention is described herein with reference to the illustrative embodiments of the present invention, the above embodiments are merely preferred embodiments of the present invention, and the embodiments of the present invention are not limited to the above embodiments. It should be understood that those skilled in the art can design many other modifications and implementations, which will fall within the scope and spirit of the principles disclosed in this application.

Claims

1. A gun wire protection structure for a charging gun, characterized in that: It includes a plug, a tail cover, a wire sealing body and a cable. One end of the tail cover is plugged into the plug and covers the outside of the plug. The other end of the tail cover is provided with a wire sealing body at an inner limit position. The cable is penetrated by the wire sealing body. The cable stripping part of the cable passes through the wire sealing body and is arranged in the tail cover near one end of the plug. The wire sealing body, the tail cover and the cable are interference fit so as to seal the cable and the tail cover through the wire sealing body. A sealing groove for setting a sealing ring is formed on the outside of one end of the plug near the tail cover, and the sealing ring is interference fit with the tail cover to achieve sealing between the tail cover and the plug.

2. According to claim 1, a gun wire protection structure for a charging gun is characterized in that: A sealing ring is arranged between the plug and the tail cover.

3. According to claim 1, a gun wire protection structure for a charging gun is characterized in that: The plug is provided with a plurality of rib strips and a plurality of limiting protrusions outside one end close to the tail cover, and the tail cover is provided with a plurality of U-shaped openings matched with the rib strips, and a plurality of mouth-shaped openings matched with the limiting protrusions by snapping.

4. According to claim 1, a gun wire protection structure for a charging gun is characterized in that: The tail cover is provided with a through hole in the tail cover, and a tail hole of the tail cover is formed in the through hole in the tail cover at one end away from the plug, and the axis of the sealing body is limited by the tail hole of the tail cover.

5. The gun wire protection structure for a charging gun according to claim 1, characterized in that: The wire sealing body is provided with a through hole for the cable to pass through, and the wire sealing body is formed with a plurality of lip edges arranged along the circumferential direction, and the plurality of lip edges are arranged at intervals.

6. The gun wire protection structure for a charging gun according to claim 5, characterized in that: A plurality of tail cover reinforcement ribs are arranged outside one end of the sealing line body of the tail cover, and the plurality of tail cover reinforcement ribs are evenly distributed.

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