CN214100092U

CN214100092U - Plug assembly

Info

Publication number: CN214100092U
Application number: CN202023056713.XU
Authority: CN
Inventors: 张文俊
Original assignee: Kunshan Yi Lian Sheng Intelligent Technology Co ltd
Current assignee: Kunshan Yi Lian Sheng Intelligent Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-08-31
Anticipated expiration: 2030-12-17

Abstract

The present application provides a plug assembly comprising: the male connector comprises a first outer sleeve, a first plug connector and a first conductive part, the first plug connector is fixedly connected with the first outer sleeve, and the first conductive part is fixedly connected with the first plug connector; the first plug connector is provided with a first fool-proof part; the female connector comprises a second outer sleeve, a second plug connector and a second conductive part, the second plug connector is connected with the second outer sleeve, the second conductive part is connected with the second plug connector, and the second plug connector is provided with a second fool-proof part matched with the first fool-proof part; the first plug connector is used for being simultaneously in plug-in fit with the second plug connector and the second outer sleeve, and the first conductive part is used for being in plug-in fit with the second conductive part. After the male connector and the female connector are connected in an inserting mode, the first inserting connector is connected with the second inserting connector and the second outer sleeve in an inserting mode, a sealing portion is formed between the first inserting connector and the second inserting connector, the sealing portion is formed between the first inserting connector and the second outer sleeve, the sealing effect is good, and the waterproof performance is good.

Description

Plug assembly

Technical Field

The utility model relates to an electrical product field particularly, relates to a plug subassembly.

Background

At present, when the plug is in plug-in fit with the socket, in order to avoid errors when the plug is plugged in the socket, the pin of the plug and the jack on the socket are damaged, the identification parts are required to be arranged on the plug and the socket, and the plug and the socket are subjected to close plug-in pairing operation when aligned through the identification parts, so that the probability of inserting errors of the plug and the socket is reduced.

The inventor researches and discovers that the existing plug and socket plug-in has the following defects:

the identification part which is arranged on the plug and the socket and is used for preventing wrong insertion is not easy to identify, and the difficulty of inserting operation is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plug assembly, it can reduce the grafting operation degree of difficulty, reduces and inserts wrong probability, and user experience degree is high.

The embodiment of the utility model is realized like this:

the utility model provides a plug assembly, include:

the male connector comprises a first outer sleeve, a first plug connector and a first conductive part, the first plug connector is fixedly connected with the first outer sleeve, and the first conductive part is fixedly connected with the first plug connector; the first plug connector is provided with a first fool-proof part;

the female connector comprises a second outer sleeve, a second plug connector and a second conductive part, the second plug connector is connected with the second outer sleeve, the second conductive part is connected with the second plug connector, and the second plug connector is provided with a second fool-proof part matched with the first fool-proof part; the first plug connector is used for being simultaneously in plug-in fit with the second plug connector and the second outer sleeve, and the first conductive part is used for being in plug-in fit with the second conductive part.

In an alternative embodiment, the first fool-proof portion is configured as a slot, and the second fool-proof portion is configured as a protrusion for mating with the slot.

In an optional embodiment, the number of the slots is multiple, and the multiple slots are arranged at intervals in the circumferential direction of the first plug connector; the number of the bulges is multiple, and the bulges are used for being correspondingly spliced with the slots one by one.

In an alternative embodiment, at least two of the plurality of slots differ in at least one of shape and size.

In an alternative embodiment, the first plug connector is plugged into the first housing and is adhesively fixed to the first housing.

In an alternative embodiment, the inner peripheral wall of the first outer sleeve is provided with a first concave-convex part, the outer peripheral wall of the first plug is provided with a second concave-convex part, and the first concave-convex part is in clamping fit with the second concave-convex part.

In an optional embodiment, the plug assembly further includes a sealing ring, the sealing ring is sleeved outside the first plug connector, and the sealing ring is used for sealing a gap between the first plug connector and the second outer sleeve.

In an optional embodiment, the sealing rings are arranged in a plurality, the sealing rings are arranged at intervals in the extending direction of the first plug connector, and the sealing rings are used for sealing a gap between the first plug connector and the second outer sleeve.

In an optional embodiment, the outer peripheral wall of the first plug is provided with a first annular positioning groove, and the sealing ring is clamped in the first annular positioning groove.

In an alternative embodiment, the inner peripheral wall of the second outer sleeve is provided with a second annular positioning groove for snap-fitting with the sealing ring.

The embodiment of the utility model provides a beneficial effect is:

to sum up, the plug assembly that this embodiment provided, during public head and female head grafting cooperation, because public head and female overhead first fool-proof portion and the second that is provided with mutually supporting prevent slow-witted portion, the structure of first fool-proof portion and second prevent slow-proof portion is convenient for discern, shortens the adjustment public head and female head position required time, improves the efficiency of grafting operation. Meanwhile, during plugging, due to the structural design of the first fool-proof portion and the second fool-proof portion, when the two portions are not aligned, the first conductive portion on the male connector and the second conductive portion on the female connector cannot be matched in a plugging mode, and therefore the probability that the first conductive portion and the second conductive portion are damaged is reduced.

Meanwhile, after the male connector and the female connector are connected in an inserting mode, the first inserting connector is connected with the second inserting connector and the second outer sleeve in an inserting mode, a sealing portion is formed between the first inserting connector and the second inserting connector, a sealing portion is formed between the first inserting connector and the second outer sleeve, the sealing effect is good, and the waterproof performance is good.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a plug assembly according to an embodiment of the present invention;

fig. 2 is an exploded view of a plug assembly according to an embodiment of the present invention;

fig. 3 is an exploded view of a plug assembly according to an embodiment of the present invention at a second viewing angle;

fig. 4 is a schematic structural diagram of a first plug according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second jacket according to an embodiment of the present invention.

Icon:

100-male; 110-a first casing; 111-a first fixation groove; 120-a first plug-in connector; 121-a first fool-proof portion; 1211 — a first groove; 1212 — a second groove; 1213-third groove; 122-a first annular seal groove; 130-a first conductive portion; 200-female head; 210-a second casing; 211-a second annular seal groove; 212-a second fixation slot; 220-a second plug connector; 221-a second fool-proof portion; 230-a second conductive portion; 300-sealing ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

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, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

When the plug and the socket are in plug-in fit, the electric connection performance of the plug and the socket is guaranteed, and the plug and the socket are required to be guaranteed to have good waterproofness, so that the probability of occurrence of safety accidents such as short circuit is reduced. The existing plug and socket are waterproof only by means of the insertion and matching of the convex part on the plug and the concave part on the socket, and therefore the plug and socket are poor in waterproofness and safety.

Referring to fig. 1-5, in view of the above, the present embodiment provides a plug assembly, which not only has good power-on performance, but also has good waterproof performance, and is low in difficulty in plugging and mating, less prone to error, and high in plugging operation efficiency.

Referring to fig. 1-3, in the present embodiment, the plug assembly includes:

the male connector 100, the male connector 100 includes a first housing 110, a first plug 120 and a first conductive part 130, the first plug 120 is fixedly connected with the first housing 110, and the first conductive part 130 is fixedly connected with the first plug 120; the first plug 120 is provided with a first fool-proof portion 121;

the female connector 200 comprises a second outer sleeve 210, a second plug connector 220 and a second conductive part 230, the second plug connector 220 is connected with the second outer sleeve 210, the second conductive part 230 is connected with the second plug connector 220, and the second plug connector 220 is provided with a second fool-proof part 221 which is used for being matched with the first fool-proof part 121; the first plug 120 is used for simultaneously plugging and matching with the second plug 220 and the second housing 210, and the first conductive part 130 is used for plugging and matching with the second conductive part 230.

When the plug assembly provided by the embodiment is plugged and matched with the male head 100 and the female head 200, the first fool-proof part 121 and the second fool-proof part 221 which are matched with each other are arranged on the male head 100 and the female head 200, and the structures of the first fool-proof part 121 and the second fool-proof part 221 are convenient to identify, so that the time required for adjusting the positions of the male head 100 and the female head 200 is shortened, and the efficiency of plugging operation is improved. Meanwhile, during plugging, due to the structural design of the first fool-proof portion 121 and the second fool-proof portion 221, when the two portions are not aligned, the first conductive portion 130 on the male header 100 and the second conductive portion 230 on the female header 200 cannot be plugged and matched, so that the probability that the first conductive portion 130 and the second conductive portion 230 are damaged is reduced.

Meanwhile, after the male connector 100 and the female connector 200 are plugged, the first plug connector 120 is simultaneously plugged with the second plug connector 220 and the second outer sleeve 210, a sealing part is formed between the first plug connector 120 and the second plug connector 220, and a sealing part is formed between the first plug connector 120 and the second outer sleeve 210, namely, after the male connector 100 and the female connector 200 are plugged, the double-layer sealing part is formed, the sealing effect is good, and the waterproof performance is good.

Referring to fig. 2-4, in the present embodiment, optionally, the first outer casing 110, the first plug 120, and the first conductive part 130 are fixed together by injection molding or vulcanization, which results in a tight structure, high structural strength, and long service life. The first conductive portion 130 is a conductive column, and the number of the first conductive portions 130 is multiple, which may be selected as needed, and is not limited in this embodiment.

Optionally, the cross-sectional outer contour of the first plug 120 is circular, for example, the first plug 120 may be a cylindrical structure or a structure formed by combining a plurality of coaxially arranged cylinders. The first fool-proof portion 121 of the first plug 120 is a slot, the slot is located on the outer peripheral wall of the first plug 120, and one end of the slot extends to the end face of the first plug 120 for inserting the second plug 220, so that the second fool-proof portion 221 of the second plug 220 can be inserted into the slot conveniently.

Alternatively, the cross-sectional shape of the slot may be an arc shape or a polygonal shape, for example, the slot is a semicircular slot or a rectangular slot.

In addition, the number of the slots is set as required, and when the number of the slots is plural, the slots are arranged at intervals in the circumferential direction of the first connector 120.

It should be understood that the shape and size of the plurality of slots may be configured differently. Obviously, the shape and size of the plurality of slots may not be set to be identical, for example, at least one of the shape and size of at least two sockets in the plurality of slots is different, so that the fool-proof performance can be improved.

In one embodiment, the number of the insertion grooves is three, the first groove 1211, the second groove 1212 and the third groove 1213 are arranged in sequence in the circumferential direction of the first connector 120, the first groove 1211, the second groove 1212 and the third groove 1213 are all arc-shaped grooves, the inner diameter of the second groove 1212 is smaller than the inner diameters of the first groove 1211 and the third groove 1213, and the first groove 1211 and the third groove 1213 are symmetrically arranged with respect to the center line of the second groove 1212. The first fool-proof structure is easily recognized, thereby facilitating the insertion-fitting of the male and

female heads

100 and 200.

In this embodiment, optionally, a part of the first conductive parts 130 in the plurality of first conductive parts 130 are located in the slots, so that the space of the slots is reasonably utilized, and the structure of the male header 100 is more compact.

In this embodiment, optionally, a first annular positioning groove is formed in the outer peripheral wall of the first plug 120, and a sealing ring 300 is disposed in the first annular positioning groove.

Optionally, the number of the first annular positioning grooves may be multiple, and the multiple first annular sealing grooves 122 are arranged at intervals in the extending direction of the first plug 120. A seal ring 300 is disposed within each first annular seal groove 122. When the male connector 100 and the female connector 200 are in splicing fit, the first plug connector 120 and the second plug connector 220 are spliced, meanwhile, the second outer sleeve 210 is sleeved outside the first plug connector 120, and the plurality of sealing rings 300 are positioned between the second outer sleeve 210 and the first plug connector 120, so that the sealing and waterproof effects are achieved.

It should be appreciated that the first annular seal groove 122 may be an arcuate groove that mates with the "O" ring seal 300. In addition, the dimensions and sizes of the first annular seal grooves 122 may not be exactly the same, and may be matched with the corresponding seal rings 300.

In other embodiments, the first plug 120 can be adhesively mated with the first housing 110. Specifically, the first housing 110 is provided with a first fixing groove 111, and the first plug 120 is inserted into the first fixing groove 111 and fixedly connected to the first housing 110 through an adhesive layer.

Furthermore, the first plug 120 is connected with the first housing 110 through a concave-convex structure, and the connection structure of the first plug 120 and the first housing 110 is firm and is not easy to loosen. For example, the inner peripheral wall of the first outer sleeve 110 is provided with a first concave-convex portion, the outer peripheral wall of the first connector 120 is provided with a second concave-convex portion, and the first concave-convex portion and the second concave-convex portion are engaged with each other.

Referring to fig. 2, fig. 3 and fig. 5, in the present embodiment, optionally, the second housing 210, the second plug 220 and the second conductive part 230 of the female connector 200 may be fixed together by an injection molding or a vulcanization process. The second conductive part 230 is a conductive groove, and when the male head 100 and the female head 200 are in plug-in fit, the conductive column is in plug-in fit with the conductive groove, so that electrical connection is achieved.

The second outer cover 210 is an insulating waterproof cover, for example, the second outer cover 210 is a plastic cover. The second housing 210 is provided with a second fixing groove 212, one end of the second plug 220 is plugged into the second fixing groove 212, and the second plug 220 and the second housing 210 can be fixed by gluing.

Further, the second housing 210 and the second plug 220 are engaged with each other via a concave-convex structure, so as to enhance the firmness of the connection structure between the two. Meanwhile, after the second plug 220 is plugged and matched with the second outer sleeve 210, the end face of the second plug 220 where the notch of the second fixing groove 212 is located has a distance, so that when the male connector 100 is plugged and matched with the female connector 200, and the first plug 120 is plugged with the second plug 220, the first plug 120 can be further inserted into the second fixing groove 212, so that the outer peripheral wall of the first plug 120 and the inner peripheral wall of the second outer sleeve 210 form a sealing band.

Further, the inner peripheral wall of the second outer sleeve 210 is provided with a second annular seal groove 211, and after the male head 100 and the female head 200 are plugged, the seal ring 300 is embedded into the second annular seal ring 300, that is, the seal ring 300 is simultaneously embedded into the first annular seal ring 300 and the second annular seal ring 300, and the seal ring 300 not only plays a role in sealing the connection position between the first plug 120 and the second outer sleeve 210, but also plays a role in enhancing the plugging firmness of the first plug 120 and the second outer sleeve 210.

In this embodiment, optionally, the second plug 220 may be a cylindrical structure, the second fool-proof portion 221 on the second plug 220 is a protrusion, the protrusion is in insertion fit with the slot, and the shape and structure of the protrusion and the slot are the same, so as to perform the fool-proof function.

It should be understood that the number of the protrusions is equal to the number of the slots, and the plurality of protrusions and the plurality of slots are in one-to-one correspondence and are in splicing fit, so that the fool-proof purpose is achieved.

Optionally, the second conductive portion 230 is configured as a conductive slot pre-mated with the first conductive portion 130. The size and number of the second conductive parts 230 correspond to those of the first conductive parts 130, so that the first conductive parts 130 and the second conductive parts 230 can be correspondingly plugged and matched when the male header 100 and the female header 200 are plugged and matched.

In the plug assembly provided by the present embodiment, when the male connector 100 and the female connector 200 are mated, the fool-proof structure is provided, so that the error is not easy to occur, and the first conductive portion 130 and the second conductive portion 230 are not easy to be damaged. Meanwhile, the first plug connector 120 is simultaneously in plug fit with the second plug connector 220 and the second outer sleeve 210, so that the sealing surface is large, the sealing performance is good, and the waterproof effect is good.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A plug assembly, comprising:

the female head comprises a second outer sleeve, a second plug connector and a second conductive part, the second plug connector is connected with the second outer sleeve, the second conductive part is connected with the second plug connector, and the second plug connector is provided with a second fool-proof part matched with the first fool-proof part; the first plug connector is used for being simultaneously in plug-in fit with the second plug connector and the second outer sleeve, and the first conductive part is used for being in plug-in fit with the second conductive part.

2. The plug assembly of claim 1, wherein:

the first fool-proof portion is arranged as a slot, and the second fool-proof portion is arranged as a protrusion which is used for being matched with the slot in an inserting mode.

3. The plug assembly of claim 2, wherein:

the number of the slots is multiple, and the slots are distributed at intervals in the circumferential direction of the first plug connector; the number of the bulges is multiple, and the bulges are used for being correspondingly spliced with the slots one by one.

4. The plug assembly of claim 3, wherein:

at least two of the plurality of slots differ in at least one of shape and size.

5. The plug assembly of claim 1, wherein:

the first plug connector is plugged in the first outer sleeve and is fixedly bonded with the first outer sleeve.

6. The plug assembly of claim 1, wherein:

the inner peripheral wall of the first outer sleeve is provided with a first concave-convex part, the outer peripheral wall of the first plug connector is provided with a second concave-convex part, and the first concave-convex part is in clamping fit with the second concave-convex part.

7. The plug assembly of claim 1, wherein:

the plug assembly further comprises a sealing ring, the sealing ring is sleeved outside the first plug connector, and the sealing ring is used for sealing a gap between the first plug connector and the second outer sleeve.

8. The plug assembly of claim 7, wherein:

the sealing rings are arranged in a plurality of intervals in the extending direction of the first plug connector and are used for sealing a gap between the first plug connector and the second outer sleeve.

9. The plug assembly of claim 7 or 8, wherein:

the periphery wall of first bayonet joint is equipped with first annular constant head tank, the sealing washer joint in first annular constant head tank.

10. The plug assembly of claim 9, wherein:

the internal perisporium of second overcoat be equipped with be used for with sealing washer joint complex annular constant head tank.