CN211508048U

CN211508048U - A kind of interface unit

Info

Publication number: CN211508048U
Application number: CN202020607375.5U
Authority: CN
Inventors: 蒋雯雯; 陈勇; 许兵
Original assignee: Sichuan Yonggui Science and Technology Co Ltd
Current assignee: Sichuan Yonggui Science and Technology Co Ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-09-15
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses a connector, which comprises a socket and a plug, wherein the socket comprises a socket shell, a plurality of first bulge structures are arranged on the inner wall surface of the opposite plugging end of the socket shell, and a first groove is arranged on the outer wall surface of the opposite plugging end of the socket shell; the plug comprises a head shell and a locking sleeve which is arranged on the head shell and can rotate, a second bulge structure is arranged on the inner wall surface of the locking sleeve, and a plurality of second grooves are axially arranged on the outer wall surface of the head shell; after the head shell and the seat shell are connected in an opposite inserting mode, an elastic piece is arranged between the end face of the seat shell and the head shell, and a sealing piece is arranged between the seat shell and the head shell. The utility model discloses a blind plug effect that the structure had solved single key location in the current connector is poor, and elastic element installs the back after-loading and moves in the casing, and the end face seal compression volume reduces to the risk of leaking. The plug has the advantages of blind plugging, good error-proofing plugging effect, prevention of water leakage risk caused by reduced sealing performance due to backward movement of the shell and the like.

Description

A kind of interface unit

Technical Field

The utility model relates to a connector field, concretely relates to be used for radial seal, elastic element preceding dress and mistake proofing location's connector.

Background

In the field of existing connectors, there is a constant effort by the skilled person to make various technical improvements to ensure a reliable connection between the plug and the socket. Between connector and seat, adopt the single bond location to be used for solving blind insertion, but obviously, along with the different upgrading of demand, original single bond location structure can not satisfy the needs of market and technique. In order to meet the requirement that after the connector is connected, the falling-off of the plug and the socket is avoided, the elastic piece is used for buffering, but when the installation structure of the elastic piece is damaged or fails, the falling-off between the plug and the socket can occur at any time. The existing connector starts from the conductive piece in the aspect of water leakage safety performance, water leakage or short circuit of the connector is avoided, however, the socket can leak water from the side edge of the conductive piece due to the fixed installation of the socket, and the existing socket structure basically has no waterproof function, so that potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a connector of high reliability realizes having good performance to the connector location of inserting, radial seal, through carrying out preceding setting with elastic element and avoiding the casing to move backward and lead to the leakproofness to reduce and the risk of leaking.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a connector comprises a socket and a plug, wherein the socket comprises a socket shell, a plurality of first bulge structures are arranged on the inner wall surface of the opposite insertion end of the socket shell, and a first groove is arranged on the outer wall surface of the opposite insertion end of the socket shell;

the plug comprises a head shell and a locking sleeve which is arranged on the head shell and can rotate, a second bulge structure is arranged on the inner wall surface of the locking sleeve, and a plurality of second grooves are axially arranged on the outer wall surface of the head shell;

after the head shell and the seat shell are connected in an opposite inserting mode, an elastic piece is arranged between the end face of the seat shell and the head shell, and a sealing piece is arranged between the seat shell and the head shell.

In the above technical solution, the first protrusion structure is disposed along an axial direction of the seat housing.

In the above technical solution, the first protrusion structures are distributed along a circumferential direction of the seat shell.

In the above technical solution, the first groove is spirally arranged on the outer wall surface along the axis of the opposite insertion end.

Have three first recesses among the above-mentioned technical scheme on the butt joint end, three first recess evenly distributed is on the outer wall surface of butt joint end.

In the above technical solution, the third groove is arranged along the axial direction of the head housing, and the second groove is matched with the first protrusion structure.

When the head shell and the seat shell are oppositely inserted in the technical scheme, the head shell is inserted into the seat shell, and the first protruding structure on the seat shell is inserted into the second groove on the head shell.

After the head shell and the seat shell are oppositely inserted in the technical scheme, the second protruding structure on the locking sleeve is inserted into the first groove on the seat shell, the locking sleeve is rotated, and the second protruding structure slides in the first groove.

In the above technical solution, the elastic member is disposed between the rotary sleeve and the head housing.

In the technical scheme, the outer surface of the head shell is provided with a convex outer edge along the radial direction, the rotary sleeve is coaxially connected with the head shell into a whole through the convex outer edge, the rotary sleeve is provided with a gasket, and the elastic piece is arranged between the gasket and the outer edge.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model discloses a blind plug effect that the structure had solved single key location in the current connector is poor, and elastic element installs the back after-loading and moves in the casing, and the end face seal compression volume reduces to the risk of leaking. The plug has the advantages of blind plugging, good error-proofing plugging effect, prevention of water leakage risk caused by reduced sealing performance due to backward movement of the shell and the like.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the overall cross-sectional structure of the utility model after butt-joint connection;

FIG. 2 is a schematic view of the socket structure of the present invention;

fig. 3 is a schematic view of the plug structure of the present invention;

FIG. 4 is a schematic view of the sealing radial fit of the present invention;

fig. 5 is a schematic view of the fixing mode of the housing according to the present invention.

Wherein: 1 is a collar, 2-1 is a needle insulator, 3 is a seal, 4 is a seat housing, 4-1 is a spiral groove, 4-2 is a projecting key, 5 is a head housing, 5-1 is a keyway, 6 is a staple, 7 is a seal ring, 8 is a washer, 9 is an elastic element, 10 is a locking sleeve, 11 is a collar, 2-2 is a bore insulator, 12 is a seal ring, 13 is a tail attachment, 14 is a contact.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In this embodiment:

a first projecting structure such as a projecting key 4-2 in fig. 2 provided on the inner surface of the socket housing 4 axially along the socket housing axis, a second projecting structure such as a staple 6 in fig. 3 provided on the locking sleeve 10, a first groove such as a spiral groove 4-1 in fig. 2 provided on the outer surface of the socket housing 4, and a second groove such as a key groove 5-1 in fig. 3 provided on the outer surface of the head housing 5 along the head housing axis.

As shown in fig. 2, the seat housing 4 includes three portions, which are an integral structure. Wherein, five convex keys 4-2 are arranged on the inner wall surface of the opposite insertion end of the seat shell 4 along the axial direction of the seat shell, and the convex keys 4-2 are used for positioning the head shell 5 of the opposite insertion. The outer surface of the opposite insertion end of the seat shell 4 is provided with three uniform spiral grooves 4-1 for locking after opposite insertion. A clamping groove is formed in the inner wall surface of the tail portion of the seat shell 4 along the circumferential direction, a clamping spring is arranged in the clamping groove, and when the needle insulator 2-1 is arranged in the seat shell 4, the clamping spring is used for clamping and fixing the needle insulator 2-1. The rear end of seat casing 4 is provided with convex mounting disc with to inserting between the end and is used for installing the fixing base casing, and the cover is equipped with the sealed pad unanimous with the mounting disc size on the rear end of seat casing for play water-proof effects behind the fixed mounting of seat casing.

As shown in fig. 3, the head housing 5 also includes three parts, and five concave key grooves 5-1 are provided on the outer wall surface of the opposite insertion end of the head housing 5 along the axial direction thereof, and the key grooves 5-1 are matched with the convex keys 4-2 in the opposite insertion end housing 4. A convex connecting disc is arranged between the rear end and the opposite insertion end of the head shell 5, and a locking sleeve 10 is coaxially arranged with the opposite insertion end of the head shell 5 after being connected to the connecting disc from the rear end of the head shell 5 through a clamping ring 11. Three raised staples 6 are provided on the inner wall of the locking sleeve 10 for mating with the helical groove 4-1 on the counter socket housing 4.

As shown in fig. 1, when the receptacle of the entire connector is connected to the plug, the head housing 5 is inserted into the receptacle housing 4, and the locking sleeve 10 is fitted over the receptacle housing 4. The convex key 4-2 on the seat shell 4 is inserted into the key groove 5-1 of the head shell 5, and the staple bolt 6 on the locking sleeve 10 slides into the spiral groove 4-1 on the seat shell 4; by rotating the locking sleeve 10, the clamp 6 slides from the end of the locking groove 4-1 to the other end for locking. It should be noted that, in order to obtain a good positioning effect, the protruding keys 4-2 in this embodiment are not uniformly distributed along the circumferential direction of the seat shell, and the same key slots 4-1 are not uniformly distributed, so that the non-uniform distribution can ensure the connection reliability of the connector during blind plugging, and avoid mis-plugging.

As shown in fig. 4 and 5, in this embodiment, in order to prevent the separation between the counter housing 5 and the socket housing 4, a recessed step opposite to the counter end is radially provided on the inner wall of the locking sleeve 10, a washer 8 is provided on the recessed step, an elastic member 9 is provided between the washer 8 and the connecting disc of the head housing, the outer ring diameter of the elastic member 9 is smaller than the inner ring diameter of the washer 8, so that the elastic member 9 is always limited at the recessed step of the locking sleeve, and the elastic member 9 is sleeved on the counter end of the head housing 5. The design changes the defect that the traditional elastic element is arranged at the rear part of the opposite plug end and can cause the elastic element to be separated after being damaged.

As shown in fig. 5, in order to obtain a good sealing effect, an inward concave groove is provided on the outer wall surface of the head housing 5 along the radial direction, a seal ring 7 is provided in the groove, and when the head housing 5 is inserted into the seat housing 4, the inner wall of the seat housing 4 presses the seal ring 7 to the head housing 5, so that sealing is achieved between the head housing 5 and the seat housing 4.

The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.

Claims

1. A connector comprising a socket and a plug, characterized in that:

the socket comprises a socket shell, wherein a plurality of first bulge structures are arranged on the inner wall surface of the opposite insertion end of the socket shell, and a first groove is arranged on the outer wall surface of the opposite insertion end of the socket shell;

2. A connector according to claim 1, wherein: the first projection structure is disposed along an axial direction of the seat housing.

3. A connector according to claim 1 or 2, wherein: the first raised structures are distributed along a circumferential direction of the seat housing.

4. A connector according to claim 1, wherein: the first groove is spirally arranged on the outer wall surface along the axis of the opposite insertion end.

5. A connector according to claim 1 or 4, wherein: the opposite insertion end is provided with three first grooves which are uniformly distributed on the outer wall surface of the opposite insertion end.

6. A connector according to claim 1, wherein: the second groove is arranged along the axial direction of the head shell, and the second groove is matched with the first protruding structure.

7. A connector according to claim 6, wherein: when the head shell is inserted into the socket shell, and the first protruding structure on the socket shell is inserted into the second groove on the head shell.

8. A connector according to any one of claims 1, 4 and 7, wherein: after the head shell and the seat shell are oppositely inserted, the second protruding structure on the locking sleeve is inserted into the first groove on the seat shell, the locking sleeve is rotated, and the second protruding structure slides in the first groove.

9. A connector according to claim 1, wherein: the elastic piece ring sleeve is arranged between the rotary sleeve and the head shell.

10. A connector according to claim 9, wherein: the outer surface of the head shell is provided with a convex outer edge along the radial direction, the rotary sleeve is coaxially connected with the head shell into a whole through the convex outer edge, the rotary sleeve is provided with a gasket, and the elastic piece is arranged between the gasket and the outer edge.