CN221041762U

CN221041762U - Connection structure

Info

Publication number: CN221041762U
Application number: CN202322851153.4U
Authority: CN
Inventors: 王彦英; 范坤
Original assignee: Shanghai Anshibo Energy Technology Co ltd
Current assignee: Shanghai Anshibo Energy Technology Co ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-05-28
Anticipated expiration: 2033-10-23

Abstract

The utility model discloses a connecting structure, which comprises a plug and a converter, wherein one end of the plug is provided with a first end wall, a contact pin is arranged on the first end wall, a first connecting part is arranged on the plug, one end of the converter is provided with a second end wall which is in butt joint with the first end wall, the second end wall is provided with a jack which is in butt joint with the contact pin, and the converter is provided with a second connecting part; when the second end wall is in butt joint with the first end wall, the contact pin is spliced with the jack; when the contact pin is connected with the jack, the first connecting part is connected with the second connecting part, so that a closed structure wrapping the contact pin and the jack is formed between the plug and the converter.

Description

Connection structure

Technical Field

The utility model relates to the technical field of charging connectors, in particular to a connecting structure.

Background

Along with the increasing popularization of new energy automobiles, the types of the charging piles and the chargers of the new energy automobiles are also more and more abundant. Because the new energy automobile generally adopts an electric power function and has a basic charging and discharging function, the existing charging and discharging connection modes are numerous, and the existing industry does not have a uniform connection mode. Therefore, the portable converter can realize the connection requirements of vehicle power supply and vehicle discharge under various conditions, and can realize the quick connection of the new energy vehicle and peripheral power equipment or electric equipment.

However, the charging plug of the existing equipment is directly connected with the portable conversion, the charging plug is easy to fall off, the connecting parts of the charging plug and the portable conversion are exposed to the outside, and water is easy to enter in rainy and snowy days to short-circuit, so that safety accidents occur.

Disclosure of utility model

The utility model mainly aims to provide a connecting structure, which aims to solve the technical problems that a connecting part of a charging plug and a converter of external equipment to be charged is easy to fall off and water is short-circuited in the prior art.

The utility model proposes a connection structure comprising:

The plug is provided with a first end wall at one end, a contact pin is arranged on the first end wall, and a first connecting part is arranged on the plug;

The converter is provided with a second end wall which is in butt joint with the first end wall, the second end wall is provided with an inserting hole which is in plug connection with the contact pin, and the converter is provided with a second connecting part;

When the second end wall is in butt joint with the first end wall, the contact pin is inserted into the jack, and the first connecting part is connected with the second connecting part, so that a closed structure wrapping the contact pin and the jack is formed between the plug and the converter.

According to the connecting structure provided by the utility model, the first connecting part is arranged on the plug, the second connecting part is arranged on the converter, and when the contact pin of the plug is spliced with the jack of the converter, the first connecting part is connected with the second connecting part, so that a closed structure for wrapping the contact pin and the jack is formed between the plug and the converter, the plug can be prevented from falling off from the converter, the contact pin and the jack can be isolated from the external environment, safety accidents such as electric leakage and the like caused by water inlet of the converter in outdoor rainy and snowy weather are avoided, the use scene of the converter is increased, and the use safety of the converter is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a connecting structure according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a connection structure according to an embodiment of the present utility model;

Fig. 3 is a schematic cross-sectional structure of a connection structure according to another embodiment of the present invention.

Description of the drawings: 100. a converter; 100A, jack; 101. an end head; 102. an end body; 103. a main body; 200. a plug; 200A, a contact pin; 300. a first connection portion; 301. a first threaded portion; 400. a second connecting portion; 401. a first waterproof cover; 401A, a second threaded portion; 500. and a second waterproof cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1-3, the present utility model provides a connection structure including a plug 200 and a converter 100. The converter 100 is configured to convert direct current of a charging pile of a new energy automobile into alternating current, and the plug 200 may be a plug 200 of various electrical storage devices or electrical consumers, such as a socket, a storage battery, and the like.

One end of the plug 200 has a first end wall, on which a pin is provided, and the plug 200 is provided with a first connection portion 300. One end of the converter 100 is provided with a second end wall which is in butt joint with the first end wall, the second end wall is provided with a jack which is in plug connection with the contact pin, and the converter 100 is provided with a second connecting part 400.

When the second end wall is in butt joint with the first end wall, the pins are spliced with the jacks, and the first connecting portion 300 is connected with the second connecting portion 400, so that a closed structure wrapping the pins and the jacks is formed between the plug 200 and the converter 100.

It should be noted that the pins mentioned above refer to a generic term for all pin members on the same end wall of the plug 200, that is, the pins may represent three pins of the three-pin plug 200 or two pins of the two-pin plug 200. Similarly, the receptacles described above represent all pin openings in the same end wall of the transducer 100.

It can be appreciated that the plug 200 and the converter 100 form a closed structure for wrapping the contact pin and the jack, so that the plug 200 can be prevented from falling off the converter 100, the contact pin and the jack can be isolated from the external environment, safety accidents such as electric leakage and the like caused by water inflow of the converter 100 in outdoor rainy and snowy weather are avoided, the use scene of the converter 100 is increased, and the use safety of the converter 100 is improved.

In some embodiments, the plug 200 and the converter 100 are both generally cylindrical structures. The first connecting portion 300 is a first threaded portion 301 disposed on a side wall of the plug 200, the second connecting portion 400 is a first waterproof cover 401 disposed on an end portion of the converter 100, the first waterproof cover 401 is rotatably disposed on the end portion of the converter 100, the second end wall is located in the first waterproof cover 401, a second threaded portion 401A which is in matched connection with the first threaded portion 301 is disposed on an inner wall of the first waterproof cover 401, when the first end wall is in butt joint with the second end wall, the first waterproof cover 401 is sleeved on the side wall of the plug 200, the first threaded portion 301 is connected with the second threaded portion 401A, and a sealing cavity which wraps the first end wall and the second end wall is formed by the first waterproof cover 401 in cooperation with the side wall of the plug 200.

It will be appreciated that the first waterproof cover 401 is rotatably disposed at the end of the converter 100 so as to surround the second end wall thereof, and when the first end wall is docked with the second end wall, the first waterproof cover 401 is sleeved on the side wall of the plug 200 to wrap the plug 200. Meanwhile, the second threaded portion 401A provided inside the first waterproof cover 401 is connected to the first threaded portion 301 on the side wall of the plug 200, forming a threaded sealing structure. The first waterproof cover 401 and the plug 200 are matched to form a sealing cavity wrapping the first end wall and the second end wall, and the first threaded portion 301 and the second threaded portion 401A are connected to form a threaded sealing structure, so that the inside and the outside of the sealing cavity are isolated, and the sealing performance of the sealing cavity is further improved.

Meanwhile, the first screw portion 301 and the second screw portion 401A are connected, so that the connection stability between the first waterproof cover 401 and the plug 200, that is, the connection stability between the converter 100 and the plug 200 can be improved, and the disconnection can be prevented.

Specifically, in some embodiments, the structure of the converter 100 is: the end 101, the end body 102 and the main body 103 are sequentially connected, wherein the diameter of the end 101 is larger than that of the end body 102 and smaller than that of the main body 103, and the first end wall is one end of the end 101 away from the main body 103. The first waterproof cover 401 is also in a cylindrical structure, one end of the first waterproof cover is provided with a full opening, the other end of the first waterproof cover is provided with a back cover, and the back cover is provided with a mounting opening, and the diameter of the mounting opening is the same as that of the end body 102. One end of the first waterproof cover 401 having a back cover is disposed on the end body 102 so as to be rotatable with respect to the converter 100, so that the second threaded portion 401A is connected with the first threaded portion 301.

The first waterproof cover 401 is made of plastic so as to be capable of being sleeved on the end body 102 from the end 101.

In some embodiments, the first waterproof cover 401 completely encloses the side walls of the plug 200 when the first end wall is docked with the second end wall.

Specifically, the height of the first waterproof cover 401 is equal to or greater than the height of the plug 200, so that the first waterproof cover 401 can completely wrap the side wall of the plug 200, and the sealing performance of a sealing cavity formed by the first waterproof cover 401 and the plug 200 is improved.

Further, when the height of the first waterproof cover 401 is greater than the height of the plug 200, the first waterproof cover 401 wraps the end portion of the plug 200 away from the first end wall.

In some embodiments, a gasket is also provided on the second end wall end face, the gasket being located between the first end wall and the second end wall when the first end wall is docked with the second end wall.

It is understood that the sealing gasket is used for sealing the gap between the end surfaces of the first end wall and the second end wall when the first end wall is connected with the second end wall, so that the tightness of the connection between the first end wall and the second end wall is further improved.

In some embodiments, the inner wall of the first waterproof cover 401 is further provided with a gasket, the gasket is disposed around the inner wall of the first waterproof cover 401, and when the first end wall is abutted with the second end wall, the gasket is located between the inner wall of the first waterproof cover 401 and the side wall of the plug 200, and is located on the side of the first threaded portion 301 away from the first end wall.

It will be appreciated that the gasket is disposed between the inner wall of the waterproof cover and the side wall of the plug 200, and can improve the sealability between the first waterproof cover 401 and the side wall of the plug 200.

Specifically, the gasket is disposed around the inner wall of the first waterproof cover 401, that is, the gasket is disposed along the circumferential direction of the first waterproof cover 401.

In some embodiments, the side wall of the plug 200 is provided with a first groove in a surrounding manner, the first groove is disposed on a side of the first threaded portion 301 away from the first end wall, and when the first end wall is abutted with the second end wall, one end of the first waterproof cover 401 is connected with the first groove in a matching manner.

It should be noted that, the connection between one end of the first waterproof cover 401 and the first groove is a concave-convex matching structure, and the connection between one end of the first waterproof cover 401 and the first groove is an interference connection, so that the end of the first waterproof cover 401 and the first groove form a concave-convex sealing structure, and the connection tightness between the first waterproof cover 401 and the plug 200 is further enhanced.

Specifically, the end of the first waterproof cover 401 away from the second end wall is bent inwards, and the bent part is inserted into the first groove to form concave-convex fit connection with the first groove.

In some embodiments, a driving motor is further disposed on the converter 100, and the driving motor is used to drive the first waterproof cover 401 to rotate around its central axis.

That is, the first waterproof cover 401 is driven to rotate by the driving motor, so that the second screw portion 401A of the first waterproof cover 401 is automatically connected to the first screw portion 301.

In some embodiments, the first connection 300 further includes a second waterproof cover 500, the second waterproof cover 500 being connected to a side wall of the plug 200, the first end wall being located in the second waterproof cover 500, the second waterproof cover 500 being configured to: when the first screw portion 301 is connected to the second screw portion 401A, the second waterproof cover 500 wraps the first waterproof cover 401.

It should be noted that, the second waterproof cover 500 has the same structure as the first waterproof cover 401, but the diameter of the second waterproof cover is larger than that of the first waterproof cover 401, so that the first waterproof cover 401 can be wrapped therein, and when the first waterproof cover 401 is wrapped by the second waterproof cover 500, the connection part between the first waterproof cover 401 and the side wall of the plug 200 can be shielded, so that rainwater is further prevented from entering the sealing cavity formed by the first waterproof cover 401 and the side wall of the end 101.

In some embodiments, the first connection portion 300 is a third waterproof cover disposed on a side wall of the plug 200, a third threaded portion is disposed on an inner wall of the third waterproof cover, the second connection portion 400 is a fourth threaded portion disposed on a side wall of the converter 100, when the first end wall is abutted with the second end wall, the third waterproof cover is sleeved on the converter 100, the third threaded portion is connected with the fourth threaded portion, and the third waterproof cover cooperates with the side wall of the converter 100 to form a sealed cavity wrapping the first end wall and the second end wall.

It is to be understood that the manner in which the third waterproof cover is connected to the side wall of the converter 100 to form the sealed cavity is the same as the manner in which the first waterproof cover 401 is connected to the side wall of the converter 100 to form the sealed cavity in the foregoing embodiment, and will not be described in detail herein.

In some embodiments, the first connection portion 300 is a first fixed cover disposed on a side wall of the plug 200, the first end wall is disposed in the first fixed cover, the second connection portion 400 is a second groove disposed around the jack, the second groove is disposed on the second end wall, when the pin is docked with the jack, an end portion of the first fixed cover is inserted into the second groove to be connected with the second groove, and the first fixed cover and the second end wall cooperate to form a sealed cavity wrapping the pin and the jack.

It should be noted that, the end portion of the first fixing cover is inserted into the second groove, so that the first fixing cover and the second end wall form a sealing cavity to wrap the contact pin and the jack, thereby avoiding the contact pin from contacting with rain and snow or the jack from water entering, and improving the safety of the connection and use of the converter 100 and the plug 200.

Specifically, the end part of the first fixed cover and the second groove form concave-convex connection, and the concave-convex connection is in interference fit.

In some embodiments, the first connection portion 300 is a third groove disposed around the pin, the third groove is disposed on the first end wall, the second connection portion 400 is a second fixed cover disposed on the side wall of the converter 100, and when the pin is plugged into the jack, an end of the second fixed cover is inserted into the third groove to be connected with the third groove, and the second fixed cover and the first end wall cooperate to form a sealed cavity wrapping the pin and the jack.

The connection manner of the third groove and the second fixed cover in this embodiment is similar to that of the first fixed cover and the second groove in the foregoing embodiment, and will not be described here again.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A connection structure, characterized by comprising:

When the second end wall is in butt joint with the first end wall, the contact pin is inserted into the jack, and the first connecting part is connected with the second connecting part, so that a sealing cavity wrapping the contact pin and the jack is formed.

2. The connection structure according to claim 1, wherein the first connection portion is a first threaded portion provided on a side wall of the plug, the second connection portion is a first waterproof cover provided on an end portion of the converter, the first waterproof cover is rotatably provided on the end portion of the converter, the second end wall is located in the first waterproof cover, a second threaded portion connected with the first threaded portion in a matching manner is provided on an inner wall of the first waterproof cover, when the first end wall is abutted with the second end wall, the first waterproof cover is sleeved on the side wall of the plug, the first threaded portion is connected with the second threaded portion, and the first waterproof cover cooperates with the side wall of the plug to form a sealing cavity wrapping the first end wall and the second end wall.

3. The connection of claim 2, wherein the first waterproof cover completely encloses the side wall of the plug when the first end wall is mated with the second end wall.

4. The connection according to claim 2, wherein a gasket is further provided on the second end wall end face, the gasket being located between the first end wall and the second end wall when the first end wall is docked with the second end wall.

5. The connection structure according to claim 2, wherein a side wall of the plug is provided with a first groove around, the first groove being provided at a side of the first threaded portion remote from the first end wall; the end part of the first waterproof cover is inwards bent, and when the first end wall is in butt joint with the second end wall, the bent part of the first waterproof cover is connected with the first groove in a matched mode.

6. The connection structure according to claim 2, wherein a driving motor is further provided on the converter, the driving motor being configured to drive the first waterproof cover to rotate about its central axis.

7. The connection structure of claim 6, wherein the first connection portion further comprises a second waterproof cover connected to a side wall of the plug, the first end wall being located in the second waterproof cover, the second waterproof cover configured to: when the first thread part is connected with the second thread part, the second waterproof cover wraps the first waterproof cover.

8. The connection structure according to claim 1, wherein the first connection portion is a third waterproof cover disposed on the plug side wall, a third threaded portion is disposed on an inner wall of the third waterproof cover, the second connection portion is a fourth threaded portion disposed on the converter side wall, when the first end wall is in butt joint with the second end wall, the third waterproof cover is sleeved on the converter, the third threaded portion is connected with the fourth threaded portion, and the third waterproof cover cooperates with the side wall of the converter to form a sealing cavity wrapping the first end wall and the second end wall.

9. The connection structure according to claim 1, wherein the first connection portion is a first fixed cover provided on the plug side wall, the first end wall is located in the first fixed cover, the second connection portion is a second groove provided around the jack, the second groove is provided on the second end wall, when the pin is abutted to the jack, an end portion of the first fixed cover is inserted into the second groove to be connected with the second groove, and the first fixed cover and the second end wall cooperate to form a sealed cavity for wrapping the pin and the jack.

10. The connection structure according to claim 1, wherein the first connection is a third groove provided around the pin, the third groove is provided on the first end wall, the second connection portion is a second fixing cover provided on the side wall of the converter, when the pin is plugged into the jack, an end portion of the second fixing cover is inserted into the third groove to be connected with the third groove, and the second fixing cover cooperates with the first end wall to form a sealing cavity for wrapping the pin with the jack.