CN213242987U

CN213242987U - Charging plug fixed knot constructs, charging plug and charging terminal

Info

Publication number: CN213242987U
Application number: CN202022037799.5U
Authority: CN
Inventors: 徐威; 穆晓鹏; 张成森; 黄飞; 冯志建; 韩增雪; 刘学宝
Original assignee: Qingdao Teld New Energy Technology Co Ltd
Current assignee: Qingdao Teld New Energy Technology Co Ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-18
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a charging plug fixed knot constructs, charging plug and charging terminal, this charging plug fixed knot constructs includes: the connecting body is used for being fixedly connected with the charging plug; the first limiting part is arranged on the connecting body and is used for abutting against the first step part of the conductive rod of the charging plug so as to axially limit the conductive rod; and the first sleeve hole is arranged in the connecting body and is used for wrapping the peripheral part of the extending end of the conductive rod. After the connecting body is fixedly connected with the charging plug, the first limiting part and the insulating supporting part of the charging plug are respectively abutted against the two sides of the first step part of the conductive rod, and the conductive rod is axially limited by the combined action of the first limiting part and the insulating supporting part, so that the conductive rod is prevented from axially falling off. Meanwhile, the first sleeving hole is wrapped on the peripheral part of the extending end of the conductive rod, so that the insulation between the conductive rod and the ground is improved. This charging plug includes above-mentioned charging plug fixed knot constructs, and this charging terminal includes above-mentioned charging plug.

Description

Charging plug fixed knot constructs, charging plug and charging terminal

Technical Field

The utility model relates to an electric vehicle battery charging outfit technical field, more specifically say, relate to a charging plug fixed knot constructs. Furthermore, the utility model discloses still relate to a charging plug including above-mentioned charging plug fixed knot constructs and including this charging plug's charging terminal.

Background

For electric vehicles such as electric vehicles and hybrid electric vehicles, a charging terminal product is generally used to charge the electric vehicles, and during charging, a charging plug of the charging terminal product is plugged into a socket of the electric vehicle.

The charging plug in the prior art mainly comprises an insulating support part, an electrode part, a conducting rod, a power transmission element and the like, wherein the electrode part is arranged on the insulating support part so as to fix and support the electrode part through the insulating support part, the insulating support part is provided with a conducting channel, the conducting rod is inserted into the conducting channel and is connected with the corresponding electrode part, one end, far away from the electrode part, of the conducting rod is an extending end, and the conducting rod extends out of the insulating support part and then is electrically connected with the power transmission element.

The first step part is arranged at the extending end of the conductive rod, so that the conductive rod is axially limited by abutting against the insulating supporting part through the first step part, namely, when the first step part is contacted with the insulating supporting part, the conductive rod is inserted in place, and at the moment, the inserting end of the conductive rod is tightly sleeved and fixed with the electrode part.

However, this fitting structure makes the conductive rod easy to axially fall off; moreover, the protruding end of the conductive rod is exposed to the outside, and the insulation between the conductive rod and the ground is poor.

Therefore, a problem to be solved by those skilled in the art is how to avoid the conductive rod from falling off axially and improve the insulation between the conductive rod and the ground.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a charging plug fixed knot constructs to carry out axial spacing to charging plug's conducting rod, avoid the conducting rod axial to drop.

Another object of the present invention is to provide a charging plug including the above-mentioned charging plug fixing structure, wherein the conductive rod is not easy to axially fall off.

Another object of the present invention is to provide a charging terminal including the above charging plug, the charging plug has high reliability.

In order to achieve the above object, the present invention provides the following technical solutions:

a charging plug fixing structure comprising:

the connecting body is used for being fixedly connected with the charging plug;

the first limiting part is arranged on the connecting body and is used for being abutted against the first step part of the conductive rod of the charging plug so as to axially limit the conductive rod;

and the first sleeve hole is arranged in the connecting body and is used for wrapping the peripheral part of the extending end of the conductive rod.

Preferably, the connector further comprises a second socket hole provided in the connector body for forming an insulation gap with an outer circumferential portion of the conductive channel of the charging plug.

Preferably, the connection body is provided with a second limiting portion, which is used for abutting against one side of the second step portion of the grounding rod of the charging plug, so as to axially limit the grounding rod.

Preferably, the charging plug further comprises a grounding rod limiting shell fixedly connected with the charging plug, and a third limiting portion used for being abutted against the other side of the second stepped portion is arranged on the grounding rod limiting shell.

Preferably, the ground rod limiting shell is a ground shell.

Preferably, the connecting body and the corresponding position of the ground rod limiting shell are respectively provided with a first connecting hole and a second connecting hole for the connecting rod of the charging plug to pass through, so that the connecting body and the ground rod limiting shell are locked through nuts after the connecting rod passes through the first connecting hole and the second connecting hole.

Preferably, the charging plug further comprises an elastic assembly with flexibility for adjusting the posture of the charging plug, and the elastic assembly is fixedly connected with the connecting body or the grounding rod limiting shell.

Preferably, the elastic component is fixedly connected with the connecting body or the grounding rod limiting shell through a first bolt, and the elastic component further comprises a screw sealing shield for preventing the first bolt from being exposed.

The utility model provides a charging plug, includes the plug body, still includes any one of the above-mentioned charging plug fixed knot construct, charging plug fixed knot construct the connection body with plug body fixed connection, charging plug fixed knot construct first spacing portion with the first step portion looks butt of the conducting rod of plug body, charging plug fixed knot construct first cover connect the hole wrap in the peripheral part of the end that stretches out of conducting rod.

A charging terminal comprises a charging plug, wherein the charging plug is the charging plug.

The utility model provides a charging plug fixed knot constructs, its connection body and charging plug fixed connection back, the insulating supporting part of first spacing portion and charging plug respectively with the both sides looks butt of the first step portion of conducting rod to the combined action through first spacing portion and insulating supporting part, it is spacing to carry out two side axial to the conducting rod, and connection body and charging plug fixed connection, the stability of the position of first spacing portion has been guaranteed, consequently, compare in prior art, can prevent that the conducting rod axial from droing.

Simultaneously, owing to connect the body and charging plug fixed connection back, first joggle wraps the peripheral part in the end that stretches out of conducting rod to avoid the conducting rod to stretch out the exposure of end, consequently improved the insulating nature between conducting rod and the ground connection.

The utility model provides a charging plug, including above-mentioned charging plug fixed knot structure, its conducting rod is difficult for the axial to drop.

The utility model provides a charging terminal, including above-mentioned charging plug, its charging plug's reliability is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is an exploded view of a charging plug according to an embodiment of the present invention;

FIG. 2 is an assembled view of FIG. 1;

FIG. 3 is a full sectional view of FIG. 2;

FIG. 4 is another cross-sectional view of FIG. 2 (the cross-section is offset from the axis of the charging plug and coplanar with the axis of the collector bar);

fig. 5 is a schematic structural view of a connection body of a charging plug fixing structure according to an embodiment of the present invention;

fig. 6 is a schematic structural view of the ground rod limiting shell of the charging plug fixing structure according to the embodiment of the present invention.

The reference numerals in fig. 1 to 6 are as follows:

1 is a connection body, 111 is a first socket hole, 112 is a first socket hole, 12 is a ground rod limit shell, 121 is a second socket hole, 122 is a ground rod jack, 123 is an abdication hole, 13 is an elastic component, 131 is a spring, 132 is a rubber sheath, 133 is a connection flange, 14 is a first bolt, 15 is a screw seal shield, 151 is a first half ring, 152 is a second half ring, 153 is a mounting hole, 2 is a plug body, 21 is a conductive rod, 211 is a first step portion, 22 is a conductive channel, 23 is a ground rod, 24 is a connection rod, 25 is a nut, 26 is an insulation support portion, and 3 is an insulation gap.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The core of the utility model is to provide a charging plug fixed knot constructs to it is spacing to carry out the axial to charging plug's conducting rod 21, avoids the conducting rod 21 axial to drop. The other core of the utility model is to provide a charging plug including above-mentioned charging plug fixed knot constructs, its conducting rod 21 is difficult for the axial to drop. The utility model discloses a still another core is to provide a charging terminal including above-mentioned charging plug, its charging plug's reliability is high.

Referring to fig. 1 to 6, fig. 1 is an exploded view of a charging plug according to an embodiment of the present invention; FIG. 2 is an assembled view of FIG. 1; FIG. 3 is a full sectional view of FIG. 2; FIG. 4 is another cross-sectional view of FIG. 2 (the cross-section is offset from the axis of the charging plug and coplanar with the axis of the collector bar); FIG. 5 is a schematic structural view of the connecting body; fig. 6 is a schematic structural view of the ground rod limiting shell.

The utility model provides a charging plug fixed knot constructs mainly including connecting body 11, first spacing portion and first suit of holes 111.

Specifically, the connecting body 11 is used for being fixedly connected with a charging plug, the first limiting portion and the first socket 111 are respectively arranged on the connecting body 11, and the first limiting portion is used for abutting against a first step portion 211 of a conductive rod 21 of the charging plug so as to axially limit the conductive rod 21; the first engaging hole 111 is provided to surround an outer peripheral portion of the protruding end of the conductive rod 21.

That is to say, when in use, the connecting body 11 of the charging plug fixing structure is fixedly connected with the charging plug, after the two are connected, the first limiting portion is abutted to the first step portion 211 of the conductive rod 21 of the charging plug, and the first engaging hole 111 is wrapped around the outer periphery of the extending end of the conductive rod 21.

It can be understood that, the utility model provides a charging plug fixed knot constructs, it connects body 11 and charging plug fixed connection back, first spacing portion and charging plug's insulating supporting part 26 respectively with the both sides looks butt of the first step portion 211 of conducting rod 21, with the combined action through first spacing portion and insulating supporting part 26, it is spacing to carry out two side axial to conducting rod 21, and connect body 11 and charging plug fixed connection, the stability of the position of first spacing portion has been guaranteed, therefore, compare in prior art, can prevent that the conducting rod 21 axial from droing.

Meanwhile, after the connection body 11 is fixedly connected with the charging plug, the first connection hole 111 is wrapped around the outer periphery of the extending end of the conductive rod 21 to prevent the extending end of the conductive rod 21 from being exposed, so that the insulation between the conductive rod 21 and the ground is improved.

It should be noted that the first limiting portion, the first engaging hole 111 and the connecting body 11 may be integrally formed, or may be connected together.

In order to further improve the insulation of the conductive bar 21, on the basis of the above embodiment, the charging plug fixing structure further includes a second socket hole provided in the connecting body 11 for forming the insulating gap 3 with the outer peripheral portion of the conductive passage 22 of the charging plug.

That is to say, after the connection body 11 is fixedly connected to the charging plug, the second contact hole is wrapped around the outer periphery of the conductive channel 22, and a certain gap, that is, the insulation gap 3, is formed between the inner wall of the second contact hole and the outer periphery of the conductive channel 22, so as to further improve the insulation property of the conductive rod 21.

It should be noted that, the utility model discloses do not restrict the specific quantity of first spacing portion, first box hole 111 and second box hole, obviously, first spacing portion, first box hole 111 and second box hole respectively with the conducting rod 21 one-to-one, technical personnel in the art can confirm the quantity and the position of setting etc. of first spacing portion, first box hole 111 and second box hole according to the quantity and the distribution etc. of the conducting rod 21 of charging plug.

As a preferable scheme, as shown in fig. 4, the first engaging hole 111 and the second engaging hole form a first stepped hole, and a first position-limiting portion is formed on a stepped surface at a junction of the first engaging hole 111 and the second engaging hole.

As shown in fig. 5, the number of the first coupling holes 111 is four, the first position-limiting portion is located inside the first coupling holes 111, and the first position-limiting portion and the second coupling holes are not shown.

Meanwhile, in order to avoid the axial misalignment of the grounding rod 23 of the charging plug, on the basis of the above embodiment, the connecting body 11 is provided with a second limiting portion for abutting against one side of the second stepped portion of the grounding rod 23 of the charging plug so as to axially limit the grounding rod 23.

Preferably, as shown in fig. 3, the connecting body 11 is provided with a second stepped hole, and a second limiting portion is formed on a stepped surface inside the second stepped hole, so that after the second stepped hole is respectively matched with the ground rod 23 and the outer peripheral surface of the second stepped portion thereof, the second limiting portion is in abutting contact with one side end surface of the second stepped portion.

In view of the axial position-limiting problem of the other side of the second stepped portion of the grounding rod 23, on the basis of the above embodiment, the grounding rod position-limiting housing 12 for fixedly connecting with the charging plug is further included, and is provided with a third position-limiting portion for abutting against the other side of the second stepped portion.

Preferably, as shown in fig. 6, the bottom shell of the ground rod limiting shell 12 is provided with a ground rod insertion hole 122 for inserting the ground rod 23, and after the ground rod 23 is inserted in place, the step end surface of the second step portion is overlapped with the end surface edge portion of the ground rod insertion hole 122, so that the ground rod limiting shell 12 and the second limiting portion act together to axially limit the ground rod 23.

In order to improve the grounding performance of the grounding rod 23, on the basis of the above embodiment, the grounding rod limiting shell 12 is a grounding shell.

That is, the grounding rod 23 is grounded through the contact between the second step portion and the third limiting portion and the limiting shell 12 of the grounding rod, so that the grounding performance of the grounding rod 23 is improved, and the safety in use is improved.

In order to further improve the safety in use, it is preferable that the ground rod limiting housing 12 includes a side housing that is circumferentially closed, and the connecting body 11 is fitted in the side housing, as shown in fig. 4 and 6.

As shown in fig. 6, it is apparent that the bottom case of the ground rod limiting case 12 is provided with a relief hole 123 for passing through the outer peripheries of the conductive rod 21 and the conductive channel 22, so that the outer peripheries of the conductive rod 21 and the conductive channel 22 are respectively fitted with the first and second coupling holes 111 and 111 of the connection case.

It should be noted that, the utility model discloses do not limit with charging plug's fixed connection mode respectively connecting body 11 and the spacing casing of earth bar 12, as long as can realize connecting body 11 and the spacing casing of earth bar 12 respectively with charging plug's fixed connection can.

As a preferable scheme, on the basis of the above embodiment, as shown in fig. 5 and 6, the corresponding positions of the connection body 11 and the ground rod limiting shell 12 are respectively provided with a first connection hole 112 and a second connection hole 121 for the connection rod 24 of the charging plug to pass through, so that after the connection rod 24 passes through the first connection hole 112 and the second connection hole 121, the connection body 11 and the ground rod limiting shell 12 are locked by the nut 25, and the connection body 11 and the ground rod limiting shell 12 are respectively and fixedly connected with the charging plug.

In addition, in order to adjust the overall posture of the charging plug, so as to ensure the smooth connection between the charging plug and the power receiving socket, on the basis of the above embodiment, the charging plug further comprises an elastic component 13 for adjusting the posture of the charging plug, which is fixedly connected with the connecting body 11 or the grounding rod limiting shell 12.

It can be understood that the elastic component 13 has a certain amount of flexibility, so that after the elastic component 13 is fixedly connected with the connecting body 11 or the grounding rod limiting shell 12, the connecting body 11 or the grounding rod limiting shell 12 can drive the charging plug to integrally adjust the posture through the inclined deformation of the elastic component 13, so as to ensure that the charging plug has a correct position.

It should be noted that, the specific structure of the elastic assembly 13 is not limited in this embodiment, and preferably, as shown in fig. 3 and 4, the elastic assembly 13 includes a spring 131 and a rubber sheath 132, two ends of the spring 131 are respectively provided with a limiting plate for axially limiting the spring, and the two limiting plates are respectively fixedly connected with two ends of the rubber sheath 132.

As shown in fig. 3 and 4, the stopper plate is preferably a bent plate to form a groove together with the inner sidewall of the rubber boot 132, and both ends of the spring 131 are respectively inserted into the grooves.

It can be understood that the rubber sheath 132 surrounds the outer periphery of the spring 131, and acts as a shield and a hiding function for the spring 131, so as to ensure the integrity of the charging plug housing after assembly, and make the overall structure of the charging plug more compact.

It should be noted that, in the present embodiment, the fixing connection manner of the elastic component 13 and the connection body 11 or the ground rod limiting casing 12 is not particularly limited.

In view of the convenience of connection, on the basis of the above embodiment, the elastic assembly 13 is fixedly connected with the connecting body 11 or the ground rod limiting shell 12 through the first bolt 14, and further includes a screw sealing shield 15 for preventing the first bolt 14 from being exposed.

It can be understood that the screw sealing shield 15 is used for covering the first bolt 14, preventing the first bolt 14 from being exposed, protecting the first bolt 14, preventing the first bolt from rusting, and the like, and improving the reliability of connection.

Preferably, the elastic assembly 13 is fixedly connected with the grounding rod limiting shell 12 through a first bolt 14. As shown in fig. 3, a connecting flange 133 ring is disposed at one end of the elastic component 13 facing the ground rod limiting shell 12, fixing holes for the first bolts 14 are respectively disposed at corresponding positions of the connecting flange 133 ring and the ground rod limiting shell 12, and a predetermined gap is formed between the connecting flange 133 and an end surface of the elastic component 13 to form an installation space for the first bolts 14, so as to facilitate installation of the first bolts 14.

In addition, the specific structure of the screw sealing and protecting cover 15 is not limited in this embodiment, and as shown in fig. 1, preferably, the screw sealing and protecting cover 15 includes a first half ring 151 and a second half ring 152, which are abutted to form a ring, and the ring is embedded in the gap between the connecting flange 133 and the elastic component 13 and circumferentially encloses each first bolt 14.

Preferably, the abutting end surfaces of the first half ring 151 and the second half ring 152 are respectively provided with a second bolt fixing hole, the first half ring 151 or the second half ring 152 is provided with a mounting hole 153 communicated with the second bolt fixing hole, and after the first half ring 151 and the second half ring 152 are abutted, a second bolt is put into the mounting hole 153, so that the second bolt is screwed with the second bolt fixing hole on the first half ring 151 and the second half ring 152.

In addition to above-mentioned charging plug fixed knot constructs, the utility model discloses still provide a charging plug including the charging plug fixed knot structure that above-mentioned embodiment is disclosed, this charging plug still includes plug body 2, charging plug fixed knot constructs connecting body 11 and plug body 2 fixed connection, charging plug fixed knot construct first spacing portion and plug body 2's the conducting rod 21 first step portion 211 looks butt, charging plug fixed knot constructs first set of contact hole 111 wraps up in the peripheral part of the end that stretches out of conducting rod 21.

It should be noted that the main structure of the plug body 2 is the same as that of a conventional charging plug in the prior art, and details are not repeated herein.

The important point of this embodiment is that the charging plug fixing structure disclosed in any one of the above embodiments is fixedly connected to the plug body 2, so that the first limiting portion and the insulating support portion 26 of the charging plug jointly limit the conductive rod 21 in the axial direction on both sides, so as to prevent the conductive rod 21 from falling off in the axial direction; meanwhile, the first engaging hole 111 is formed around the outer periphery of the protruding end of the conductive rod 21, thereby improving insulation between the conductive rod 21 and the ground.

Except the above-mentioned charging plug, the utility model discloses still provide a charging terminal including the charging plug that the above-mentioned embodiment is disclosed, the structure of other each parts of this charging terminal please refer to prior art, and this text is no longer repeated.

It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above the utility model provides a charging plug fixed knot constructs, charging plug and charging terminal have carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A charging plug fixing structure, comprising:

a connecting body (11) for fixed connection with a charging plug;

the first limiting part is arranged on the connecting body (11) and is used for being abutted against a first step part (211) of a conductive rod (21) of the charging plug so as to axially limit the conductive rod (21);

and a first sleeve hole (111) arranged in the connecting body (11) and used for wrapping the peripheral part of the extending end of the conductive rod (21).

2. The charging plug fixing structure according to claim 1, further comprising a second staking hole provided in the connecting body (11) for forming an insulating gap (3) with an outer peripheral portion of the conductive passage (22) of the charging plug.

3. The charging plug fixing structure according to claim 1, wherein the connecting body (11) is provided with a second stopper portion for abutting against one side of the second stepped portion of the grounding rod (23) of the charging plug to axially stopper the grounding rod (23).

4. The charging plug fixing structure according to claim 3, further comprising a ground rod stopper housing (12) for fixed connection with the charging plug, which is provided with a third stopper portion for abutting against the other side of the second stepped portion.

5. Charging plug fixing structure according to claim 4, characterised in that the grounding rod limiting housing (12) is a grounding housing.

6. The charging plug fixing structure according to claim 4, wherein the corresponding positions of the connection body (11) and the ground rod stopper housing (12) are respectively provided with a first connection hole (112) and a second connection hole (121) for passing a connection rod (24) of the charging plug, so that the connection body (11) and the ground rod stopper housing (12) are locked by a nut (25) after the connection rod (24) passes the first connection hole (112) and the second connection hole (121).

7. The charging plug fixing structure according to any one of claims 4 to 6, further comprising an elastic member (13) having flexibility to adjust the posture of the charging plug, which is fixedly connected to the connection body (11) or the ground rod stopper housing (12).

8. The charging plug fixing structure according to claim 7, wherein the elastic member (13) is fixedly connected to the connection body (11) or the ground rod stopper housing (12) by a first bolt (14), and further comprises a screw seal shield (15) for preventing the first bolt (14) from being exposed.

9. A charging plug, comprising a plug body (2), and further comprising the charging plug fixing structure of any one of claims 1 to 8, wherein the connecting body (11) of the charging plug fixing structure is fixedly connected with the plug body (2), the first position-limiting portion of the charging plug fixing structure abuts against the first step portion (211) of the conductive rod (21) of the plug body (2), and the first engaging hole (111) of the charging plug fixing structure is wrapped around the outer peripheral portion of the extending end of the conductive rod (21).

10. A charging terminal comprising a charging plug, wherein the charging plug is the charging plug of claim 9.