CN215621472U

CN215621472U - Cable fixing structure

Info

Publication number: CN215621472U
Application number: CN202121339773.4U
Authority: CN
Inventors: 李彭云; 陈捷凯; 程泽勇; 汪廷松; 许永祥
Original assignee: Wanbang Digital Energy Co Ltd; Wanbang Star Charge Technology Co Ltd
Current assignee: Wanbang Digital Energy Co Ltd; Wanbang Star Charge Technology Co Ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-25
Anticipated expiration: 2031-06-17

Abstract

The utility model provides a cable fixing structure which comprises a clamping ring and a shell connecting part, wherein the clamping ring is sleeved on a cable, and a plurality of bosses are arranged on the clamping ring; casing connecting portion are used for connecting rifle body and the cable that charges, the inboard periphery of casing connecting portion seted up with the recess that the boss suited, just the recess quantity that the inboard periphery of casing connecting portion was seted up is greater than or equal to the quantity of boss has solved the cable and has passed through snap ring structure fixed in the traditional rifle that charges, and the problem that the insulating crust of cable leads to the short circuit or even takes place the incident probably to pierce through the latch on the snap ring structure, has effectively avoided the rifle that charges to lead to the risk of short circuit because of the latch in the use, improves safe use coefficient, and simple structure, reduction assembly cost.

Description

Cable fixing structure

Technical Field

The utility model relates to the technical field of automobile charging piles, in particular to a fixing structure for fixing a cable in a charging gun.

Background

With the development and popularization of new energy automobiles, the market occupation of plug-in electric automobiles serving as main new energy automobiles is continuously increased, and charging piles matched with the plug-in electric automobiles for charging are widely used to form industries.

Fill electric pile as new energy automobile and promote and use an important ring in, be used for mainly charging for electric automobile battery, only can obtain the electric energy through filling electric pile rechargeable automobile battery, electric automobile just has the electric energy to travel. Fill electric pile mainly has pile body itself and the rifle that charges that links to each other through the cable with the pile body, and the rifle head and the cable that charge are as the physics interface with the car interface connection that charges, are undertaking the effect of electric energy transmission channel.

The cable in the traditional rifle that charges passes through snap ring structure and realizes fixing, but the latch on the snap ring structure probably punctures the insulating crust of the intracavity cable that charges and leads to the short circuit to take place, even takes place the incident.

SUMMERY OF THE UTILITY MODEL

The cable fixing structure disclosed by the utility model solves the problem that a cable in a traditional charging gun is fixed through a snap ring structure, and a latch on the snap ring structure can pierce a cable insulation sheath to cause short circuit and even safety accidents, effectively avoids the risk of short circuit caused by the latch in the use process of the charging gun, improves the safe use coefficient, has a simple structure and reduces the assembly cost.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

the utility model discloses a cable fixing structure, which comprises a clamping ring and a shell connecting part, wherein the clamping ring is sleeved on a cable, and a plurality of bosses are arranged on the clamping ring; the shell connecting part is used for connecting the charging gun body and the cable, grooves matched with the bosses are formed in the inner circumferential surface of the shell connecting part, and the number of the grooves formed in the inner circumferential surface of the shell connecting part is larger than or equal to that of the bosses.

Furthermore, the clamping ring is sleeved on the cable in a crimping mode.

Furthermore, two bosses are arranged on the clamping ring.

Further, two bosses are radially symmetrical along the clamping ring.

Furthermore, four grooves are formed in the circumferential surface of the inner side of the shell connecting part.

Further, four of the grooves extend in the axial direction of the housing connecting portion.

The beneficial technical effects are as follows:

the utility model discloses a cable fixing structure, which comprises a clamping ring and a shell connecting part, wherein the clamping ring is sleeved on a cable, and a plurality of bosses are arranged on the clamping ring; casing connecting portion are used for connecting rifle body and the cable that charges, the inboard periphery of casing connecting portion seted up with the recess that the boss suited, just the recess quantity that the inboard periphery of casing connecting portion was seted up is greater than or equal to the quantity of boss has solved the cable and has passed through snap ring structure fixed in the traditional rifle that charges, and the problem that the insulating crust of cable leads to the short circuit or even takes place the incident probably to pierce through the latch on the snap ring structure, has effectively avoided the rifle that charges to lead to the risk of short circuit because of the latch in the use, improves safe use coefficient, and simple structure, reduction assembly cost.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a cross-sectional view of a cable fixing structure according to the present invention;

fig. 2 is a schematic structural view of a clamping ring in a cable fixing structure according to the present invention after being crimped;

FIG. 3 is a schematic view of a snap ring crimped to a cable;

fig. 4 is a schematic structural view of a housing connection portion in a cable fixing structure according to the present invention;

fig. 5 is an internal assembly structure view of a cable fixing structure according to the present invention.

The charging gun comprises a clamping ring 1, a boss 11, a channel 12, a cable 2, a shell connecting part 3, a groove 31, a charging gun body 4 and a stop nut 5.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The utility model discloses a cable fixing structure, and referring to fig. 1, the cable fixing structure comprises a clamping ring 1 and a shell connecting part 3, wherein the clamping ring 1 is sleeved on a cable 2, preferably, the clamping ring 1 is sleeved on the cable 2 in a crimping mode, a polygonal columnar structure extends out of the clamping ring 1 after being crimped along the axial direction to form a channel 12 so as to fix the direction of the cable 2, and the structure refers to fig. 2 and 3, but certainly, the sleeving mode is not limited; the clamping ring 1 is provided with a plurality of bosses 11, and preferably, the clamping ring 1 is provided with two bosses 11 which are symmetrical along the radial direction; the case connecting part 3 is used for connecting the charging gun body 4 and the cable 2, referring to fig. 4 and 5, a groove 31 adapted to the boss 11 is formed on the inner circumferential surface of the case connecting part 3, and the number of the grooves 31 opened on the inner circumferential surface of the shell connecting portion 3 is greater than or equal to the number of the bosses 11, preferably, four grooves 31 adapted to the bosses 11 are opened on the inner circumferential surface of the shell connecting portion 3, and the grooves 31 extend along the axial direction of the shell connecting portion 3, two of the radially symmetrical grooves 31 are through-housing connection 3, so-called through-grooves, so that the cable 2 can pass through the charging gun body, the other two radially symmetrical grooves 31 do not need to penetrate through the shell connecting part 3 and are called as non-penetrating grooves, the non-penetrating grooves are clamped with the radially symmetrical bosses 11 on the clamping ring 1, and the clamping ring 1 is effectively prevented from sliding back and forth.

The working principle of the cable fixing structure disclosed by the utility model is as follows:

the clamping ring 1 is connected to the cable 2 in a sleeved mode in a compression joint mode, the clamping ring 1 extends out of a polygonal cylindrical body along the axial direction of the clamping ring 1 after the compression joint mode, the cable is connected with the shell connecting portion 3 after compression joint, the cable 2 penetrates through the charging gun body through a through groove in the shell connecting portion 3, after the cable 2 and a terminal are assembled, the cable 2 only needs to be pulled back along the through groove in the shell connecting portion 3, then the clamping ring 1 rotates for a certain angle, two bosses 11 arranged along the radial direction on the clamping ring 1 are clamped with two non-through grooves, the clamping ring 1 is prevented from moving forwards, after the assembly is completed, a stop nut 5 is screwed at the joint of the charging gun body 4 and the clamping ring 1, the clamping ring 1 is prevented from moving backwards, and the cable is guaranteed to be always in a correct position.

The cable fixing structure disclosed by the utility model avoids the problem of short circuit caused by the fact that the clamping teeth pierce the insulating sheath of the cable in the use process of the charging gun, improves the use safety, has a simple and reliable structure, and reduces the device and assembly cost.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A cable fixing structure, comprising:

the clamping ring (1) is sleeved on the cable (2), and a plurality of bosses (11) are arranged on the clamping ring (1);

the charging gun comprises a shell connecting portion (3), wherein the shell connecting portion (3) is used for connecting a charging gun body (4) and a cable (2), a groove (31) matched with the boss (11) is formed in the inner side circumferential surface of the shell connecting portion (3), and the number of the grooves (31) formed in the inner side circumferential surface of the shell connecting portion (3) is larger than or equal to the number of the bosses (11).

2. A cable fixing structure according to claim 1, wherein the snap ring (1) is crimped onto the cable (2).

3. A cable fixing structure according to claim 2, wherein the snap ring (1) is provided with two bosses (11).

4. A cable fixing structure according to claim 3, wherein the two bosses (11) are radially symmetrical with respect to the snap ring (1).

5. A cable fixing structure according to claim 1, wherein four grooves (31) are formed on the inner circumferential surface of the housing connecting portion (3).

6. A cable fixing structure according to claim 5, wherein four of said grooves (31) extend in the axial direction of the housing connecting portion (3).