New energy automobile charging gun

Abstract

The utility model relates to a new energy automobile charging gun which comprises a gun head shell, a gun body shell, a glue pouring shell and a wire, and the gun head shell is fixedly connected with the gun body shell; a pin groove integrally formed with the gun head shell is formed in an inner cavity of the gun head shell, and a charging pin is installed in the pin groove. The wire penetrates through one end of the gun body shell, enters an inner cavity of the gun body shell and is electrically connected with the charging pin. The outer side of the gun head shell extends to form a circle of protrusion, the glue pouring shell wraps the whole gun body shell to the protrusion position of the gun head shell, the glue pouring thickness of the glue pouring shell is not larger than the height of the protrusion, and the glue pouring shell is a shell formed through the glue pouring technology. The gun body and the gun head lower half part are wrapped by the glue pouring shell so as to be completely sealed, and the waterproof performance of the new energy automobile charging gun is improved.

Description

Technical Field

[0001] The utility model relates to the field of automobile charging plugs, in particular to a new energy automobile charging gun. Background Art

[0002] New energy vehicle charging stations are usually built outdoors, and the charging guns of new energy vehicles are easily affected by rain and other humid weather outdoors, which places very high demands on the waterproof performance of the charging guns. At present, the charging guns are usually sealed with sealing rings, but the inside of the charging gun is still breathable, that is, there are sealing gaps. In the rain or the return of the south wind, water mist may penetrate into the charging gun and cause safety accidents. Utility Model Content

[0003] Based on this, it is necessary to provide a new energy vehicle charging gun to address the problem of poor sealing of new energy vehicle charging guns.

[0004] The utility model provides a new energy vehicle charging gun, comprising a gun head shell, a gun body shell, a glue-filled shell and a wire, wherein the gun head shell is fixedly connected to the gun body shell; the inner cavity of the gun head shell is provided with a pin slot integrally formed with the gun head shell, and the pin slot is provided with a charging pin; the wire passes through one end of the gun body shell, enters the inner cavity of the gun body shell, and is electrically connected to the charging pin;

[0005] A circle of protrusions extends from the outside of the gun head shell, and the glue-filled shell wraps the entire gun body shell to the protruding position of the gun head shell. The glue-filled thickness of the glue-filled shell is not greater than the height of the protrusion, and the glue-filled shell is a shell formed by a glue-filling process.

[0006] In some of the embodiments, a plurality of circles of first grooves are provided on the outer side of the gun head shell between the protruding position and an end close to the gun body shell.

[0007] In some embodiments, a plurality of partitions are provided in the first groove and are integrally formed with the first groove.

[0008] In some of the embodiments, a plurality of second grooves are arranged on the outer side of the gun body shell.

[0009] In some of the embodiments, the gun body shell includes an upper shell and a lower shell, the upper shell is snap-connected to the lower shell, and the snap-connected portion is exposed on the outside of the gun body shell.

[0010] In some of the embodiments, a fixing frame is provided at the connection between the charging pin and the wire, and the fixing frame is fixedly connected to the inner side of the gun head housing.

[0011] In some of the embodiments, the inner cavity of the gun body shell and the inner cavity of the gun head shell are filled with sealant.

[0012] In some of the embodiments, a gun head waterproof cover adapted to the gun head is further included, and the gun head waterproof cover is provided with a connecting rope fixedly connected to the glue filling shell.

[0013] In some of the embodiments, a fixing ring is provided at one end of the connecting rope, and the glue-filled housing is provided with a fixing groove adapted to the fixing ring.

[0014] In some of the embodiments, a plurality of sealing rings are provided on the inner side of the gun head waterproof cover, and the sealing rings are interference fit with the gun head housing.

[0015] Compared with the prior art, the present invention has at least the following beneficial effects:

[0016] 1. Wrap the gun body and the lower part of the gun head with a glue-filled shell to completely seal the gun body and the lower part of the gun head to improve the waterproof performance of the new energy vehicle charging gun.

[0017] 2. By setting multiple circles of first grooves on the gun head shell, the bite force between the glue filling shell and the gun head shell is improved, thereby improving the sealing durability; by setting multiple partitions, the probability of deformation of the first groove is reduced.

[0018] 3. By filling the inner cavity of the gun body and the gun head with glue, the sealing of the charging gun can be further improved.

[0019] 4. The gun head waterproof cover is detachably connected to the glue filling housing to prevent the gun head waterproof cover from being lost; the gun head waterproof cover is interference fit with the gun head housing to improve the waterproof performance of the gun head pins. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of a new energy vehicle charging gun according to an embodiment of the present utility model;

[0021] Figure 2 This is a schematic diagram of the explosion structure of a new energy vehicle charging gun according to an embodiment of the utility model;

[0022] Figure 3 This is a schematic diagram of the explosion structure of a gun head shell according to an embodiment of the utility model;

[0023] Figure 4 This is a schematic diagram of the cross-sectional structure of a gun head housing according to an embodiment of the utility model;

[0024] Figure 5 This is a schematic diagram of the explosion structure of a gun body shell according to an embodiment of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of a new energy vehicle charging gun shown in another embodiment of the utility model;

[0026] Figure 7 This is a schematic diagram of the explosion structure of a new energy vehicle charging gun according to another embodiment of the utility model. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0028] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. In contrast, when an element is referred to as being "directly on" another element, there is no intermediate element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only."

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0030] See also Figures 1 to 4 The utility model shows a new energy vehicle charging gun, comprising a gun head shell 1, a gun body shell 2, a glue-filled shell 3 and a wire 4, wherein the gun head shell 1 is fixedly connected to the gun body shell 2; the inner cavity of the gun head shell 1 is provided with a pin slot 11 integrally formed with the gun head shell 1, and the pin slot 11 is installed with a charging pin 12; the wire 4 passes through one end of the gun body shell 2, enters the inner cavity of the gun body shell 2, and is electrically connected to the charging pin 12;

[0031] A circle of protrusions 13 extends from the outside of the gun head shell 1, and the glue-filled shell 3 wraps the entire gun body shell 2 to the position of the protrusion 13 of the gun head shell 1. The glue-filled thickness of the glue-filled shell 3 is not greater than the height of the protrusion 13. The glue-filled shell 3 is a shell that is formed by glue-filling the entire gun body shell 2 to the position of the protrusion 13 of the gun head shell 1 through a glue-filling process.

[0032] In this embodiment, a slot is provided at the bottom of the pin slot 11, and a wiring slot is provided at the needle head of the charging pin 12. The wiring slot is provided with an integrated partition to divide the wiring slot into one end connected to the wire and the other end connected to the charging interface of the new energy vehicle; when the charging pin 12 is installed in the pin slot 11, the slot of the pin slot 11 is connected to the wiring slot of the charging pin 12 for connection to the charging interface of the new energy vehicle. The gun head shell 1 and the gun body shell 2 are detachably connected to facilitate the connection of the wire 4 to the charging pin 12 and the insertion of the charging pin 12 into the pin slot 11; and then the entire gun body shell 2 and one end of the gun head shell 1 are completely wrapped with a glue-filled shell 3 to completely ensure that water cannot enter the gun body, thereby improving the waterproof performance of the charging gun.

[0033] like Figure 2 As shown, in some embodiments, the outer side of the gun head shell 1 is provided with multiple circles of first grooves 14 between the position of the protrusion 13 and one end close to the gun body shell 2. Optionally, multiple partitions 141 integrally formed with the first groove 14 are provided in the first groove 14. In this embodiment, by providing multiple circles of first grooves 14 on the gun head shell 1, the bite force between the glue potting shell 3 and the gun head shell 1 is improved, thereby avoiding debonding and improving the durability of the seal; by providing multiple partitions 141, the probability of deformation of the first groove is reduced, thereby reducing the probability of loosening of the glue potting due to deformation, and improving the sealing performance.

[0034] like Figure 2 As shown, in some embodiments, a plurality of second grooves 21 are arranged on the outer side of the gun body shell 2. In this embodiment, the second grooves 21 are provided to improve the bite force between the glue potting shell 3 and the gun body shell 2, prevent the glue potting from loosening, and improve the sealing performance.

[0035] like Figure 5 As shown, in some embodiments, the gun body housing 2 includes an upper housing 22 and a lower housing 23, the upper housing 22 and the lower housing 23 are snap-connected, and the snap-connected portion is exposed on the outside of the gun body housing 2. In this embodiment, the gun body housing 2 is configured to be detachably connected, so as to facilitate the wiring and layout inside the gun body housing, and improve the convenience of production; and the snap is exposed on the outside of the gun body housing 2, which can improve the bite force between the glue-filled housing and the gun body housing, and improve the sealing performance.

[0036] like Figure 3As shown, in some embodiments, a fixing frame 15 is provided at the connection between the charging pin 12 and the wire 4, and the fixing frame 15 is fixedly connected to the inner side of the gun head housing 1. In this embodiment, the fixing frame 15 is provided to facilitate the connection between the wire 4 and the plurality of charging pins 12, and to ensure that the connection point is not affected by the vibration generated during the use of the charging gun, thereby improving the stability of the connection.

[0037] like Figure 6 As shown, in some embodiments, the inner cavity of the gun body shell 2 and the inner cavity of the gun head shell 1 are filled with sealant. In this embodiment, the inner cavity of the gun body and the inner cavity of the gun head are filled with sealant, which can completely isolate the inside of the charging gun from water seepage.

[0038] like Figure 7 As shown, in some embodiments, a gun head waterproof cover 5 adapted to the gun head housing 1 is further included, and the gun head waterproof cover 5 is provided with a connecting rope 51 fixedly connected to the glue pouring housing 3. Optionally, one end of the connecting rope 51 is provided with a fixing ring 52, and the glue pouring housing 3 is provided with a fixing groove 31 adapted to the fixing ring 52. In this embodiment, the gun head waterproof cover is detachably connected to the glue pouring housing to prevent the gun head waterproof cover from being lost.

[0039] like Figure 7 As shown, in some embodiments, a plurality of sealing rings 53 are provided inside the gun head waterproof cover 5, and the sealing rings 53 are interference fit with the gun head housing 1. The interference fit effectively prevents water from penetrating, thereby ensuring the waterproofness of the gun head.

[0040] By way of example and not limitation, Figures 1 to 7 As shown, the wire 4 is connected to the charging pin 12, and then the charging pin 12 is passed through the fixing frame 15 and inserted into the pin slot 11; after all the charging pins 12 are inserted, the wire 4 is fixed to the upper shell 22 and the lower shell 23 of the gun body shell 2, the upper shell 22 is fixedly connected with the lower shell 23, and then the gun head shell 1 is fixedly connected with the gun body shell 2; glue is poured from the gun body shell 2 to the protrusion 13 of the gun head shell 1 through a glue pouring mold to form a glue pouring shell 3; finally, the gun head waterproof cover 5 is detachably connected to the glue pouring shell 3 through a connecting rope 51.

[0041] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0042] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A new energy vehicle charging gun, characterized in that: It comprises a gun head shell, a gun body shell, a glue-filled shell and a wire, wherein the gun head shell is fixedly connected to the gun body shell; the inner cavity of the gun head shell is provided with a pin slot integrally formed with the gun head shell, and the pin slot is provided with a charging pin; the wire passes through one end of the gun body shell, enters the inner cavity of the gun body shell, and is electrically connected to the charging pin; A circle of protrusions extends from the outside of the gun head shell, and the glue-filled shell wraps the entire gun body shell to the protruding position of the gun head shell. The glue-filled thickness of the glue-filled shell is not greater than the height of the protrusion, and the glue-filled shell is a shell formed by a glue-filling process.

2. The new energy vehicle charging gun according to claim 1, characterized in that: A plurality of circles of first grooves are arranged on the outer side of the gun head shell between the protruding position and an end close to the gun body shell.

3. The new energy vehicle charging gun according to claim 2, characterized in that: A plurality of partitions are provided in the first groove and are integrally formed with the first groove.

4. The new energy vehicle charging gun according to claim 1, characterized in that: A plurality of second grooves are arranged on the outer side of the gun body shell.

5. The new energy vehicle charging gun according to claim 1, characterized in that: The gun body shell comprises an upper shell and a lower shell, the upper shell is snap-connected to the lower shell, and the snap-connected portion is exposed on the outside of the gun body shell.

6. The new energy vehicle charging gun according to claim 1, characterized in that: A fixing frame is provided at the connection between the charging pin and the wire, and the fixing frame is fixedly connected to the inner side of the gun head shell.

7. The new energy vehicle charging gun according to claim 1, characterized in that: The inner cavity of the gun body shell and the inner cavity of the gun head shell are filled with sealant.

8. The new energy vehicle charging gun according to claim 1, characterized in that: It also includes a gun head waterproof cover adapted to the gun head shell, and the gun head waterproof cover is provided with a connecting rope fixedly connected to the glue-filling shell.

9. The new energy vehicle charging gun according to claim 8, characterized in that: One end of the connecting rope is provided with a fixing ring, and the glue-filled housing is provided with a fixing groove adapted to the fixing ring.

10. The new energy vehicle charging gun according to claim 8, characterized in that: A plurality of sealing rings are arranged on the inner side of the gun head waterproof cover, and the sealing rings are interference fit with the gun head housing.

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