CN219498259U

CN219498259U - Improved interference fit structure of DC socket connector

Info

Publication number: CN219498259U
Application number: CN202320491484.9U
Authority: CN
Inventors: 刘永辉; 刘新江
Original assignee: Dongguan Xingte Electronics Co ltd
Current assignee: Dongguan Xingte Electronics Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-08-08
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses an interference fit improved structure of a DC socket connector, which comprises a plug connector and a plug seat; the plug connector is provided with a plug part extending forwards; the socket is provided with a socket hole matched with the plug, the socket part is in interference fit with the socket hole, the inner side wall of the socket hole is integrally provided with a plurality of contact parts in an outward interval protruding mode, and the outer wall of the socket part abuts against the contact parts. Through offer on the bayonet socket with plug complex spliced eye, interference fit between grafting portion and the spliced eye to the integrative outside interval of cooperation spliced eye inside wall is protruding to be equipped with a plurality of contact portions, and the outer wall of grafting portion supports on the contact portion, makes the contact between through contact portion and grafting portion when surplus to be full of the cooperation, changes current face contact into line contact, avoids the grafting portion to prop the spliced eye and split in the assembly process, avoids the cost waste that causes in the assembly process, has guaranteed the stability of assembly process, has still effectively increased the holistic life of socket connector simultaneously.

Description

Improved interference fit structure of DC socket connector

Technical Field

The utility model relates to the technical field of socket connectors, in particular to an improved interference fit structure of a DC socket connector.

Background

The DC socket is a socket matched with a special power supply of a computer display, and consists of a transverse socket, a longitudinal socket, an insulating base, a fork-shaped contact spring piece and a directional key slot, wherein the two fork-shaped contact spring pieces are positioned at the center of the base and are not connected with each other in a longitudinal and transverse arrangement. One end of the fork-shaped contact spring piece is a wiring port and is exposed out of the top surface of the base cylinder for connecting an input power cord or a flexible cable, the other end of the fork-shaped contact spring piece consists of two elastic arms which are interconnected by a base body and is arranged in an insulating base jack in the DC plug inserting direction, and the plug is used for a computer display to work normally.

The plug and the mounting seat in the existing DC socket connector are generally fixed in an interference fit manner, and the mounting seat is generally in interference fit with the surface contact of the plug through the hole, and the plug is easy to prop the hole to be split in the assembly process due to the surface contact between the plug and the hole, so that the plug hole can be damaged, the cost is wasted, the structural strength of the plug hole can be influenced, the assembly process is unstable, and the whole service life can be influenced; accordingly, there is a need for further improvements over existing DC jack connector configurations.

Disclosure of Invention

In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its primary objective is to provide an improved structure for interference fit of a DC socket connector, which can effectively solve the problems of larger interference fit stress between a plug and a mounting seat of the existing DC socket connector, easy cost waste in the assembly process, short service life and influence on the stability of the connection process.

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

an improved interference fit structure of a DC socket connector comprises a plug connector and a plug seat; the plug connector is provided with a plug part extending forwards; the socket is provided with a socket hole matched with the plug, the socket part is in interference fit with the socket hole, the inner side wall of the socket hole is integrally provided with a plurality of contact parts in an outward interval protruding mode, and the outer wall of the socket part abuts against the contact parts.

As a preferable scheme, the plug connector comprises a main body part and a connecting rod arranged on the main body part, wherein the main body part is provided with a mounting hole, the connecting rod is arranged on the main body part through the mounting hole, and the plug connector integrally extends forwards from the front end of the connecting rod and outwards extends out of the main body part through the mounting hole.

As a preferable scheme, the rear end opening of the mounting hole is integrally concavely provided with a positioning groove to the outside, and the outer peripheral side wall of the connecting rod is convexly provided with a positioning part matched with the positioning groove.

As a preferable scheme, the main body part is internally provided with an inserting cavity, and the rear end of the inserting cavity is internally provided with a limiting piece; correspondingly, the plug seat comprises a body and a plug part integrally extending backwards from the rear end of the body, and the plug part extends into the plug cavity and abuts against the front end surface of the limiting piece.

As a preferable scheme, the limiting piece is provided with a spring piece extending back and forth, and the plug connector is provided with a fixing piece which is propped against the upper surface of the spring piece.

As a preferable scheme, the left end and the right end of the limiting piece are respectively outwards extended to form guide parts, and the left end and the right end of the inserting cavity are respectively inwards concavely provided with guide grooves matched with the guide parts.

As a preferable scheme, a fixing piece is arranged on the plug seat, a fixing hole matched with the plug part is formed in the fixing piece, and the fixing piece is sleeved on the plug part through the fixing hole and is attached to the front end face of the plug seat.

As a preferable scheme, an inclined plane for connecting the plug holes is concavely arranged at the opening of the rear end face of the plug holes.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:

through offer on the bayonet socket with plug complex spliced eye, interference fit between spliced eye and the spliced eye, and the integrative outside interval of cooperation spliced eye inside wall is protruding to be equipped with a plurality of contact portions, the outer wall of aforesaid spliced eye supports on the contact portion, be through the contact between contact portion and the spliced eye when making the surplus cooperation, change current face contact into line contact, the spliced eye props the split with the spliced eye in the avoidance of assembly process, prevent the problem of damaging the spliced eye in the spliced eye installation, the cost waste that causes in the avoidance of assembly process, structural strength in spliced eye also can not be influenced during the assembly, the stability of assembly process has been guaranteed, the holistic life of socket connector has still been effectively increased simultaneously.

In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic perspective view of a preferred embodiment of the present utility model;

FIG. 2 is a partially assembled schematic illustration of a preferred embodiment of the present utility model;

FIG. 3 is an exploded view of the preferred embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a preferred embodiment of the present utility model.

The attached drawings are used for identifying and describing:

10. plug 101 and mounting hole

102. Positioning groove 103 and insertion cavity

104. Guide groove 11, insertion part

12. Body 13, connecting rod

131. Positioning part 14 and limiting piece

141. Spring plate 142 and guide part

15. Fixing piece 20 and socket

201. Plug hole 202 and fixing hole

21. Body 22, plug-in part

23. Fixing piece 24, inclined plane

25. And a contact portion.

Detailed Description

Referring to fig. 1 to 4, a specific structure of a preferred embodiment of the present utility model is shown, wherein the specific structure includes a socket 10 and a socket 20.

The plug 10 has a plug portion 11 extending forward; in this embodiment, the plug 10 includes a main body 12 and a connecting rod 13 disposed on the main body 12, the main body 12 is provided with a mounting hole 101, the connecting rod 13 is disposed on the main body 12 through the mounting hole 101, and the plug 11 integrally extends forward from the front end of the connecting rod 13 and extends out of the main body 12 through the mounting hole 101. The rear end opening of the mounting hole 101 is integrally provided with a positioning groove 102 in a concave manner towards the outer side, and the outer peripheral side wall of the connecting rod 13 is outwards provided with a positioning part 131 matched with the positioning groove 102 in a convex manner, so that the position of the connecting rod 13 is positioned, and the connecting rod 13 is prevented from shaking; the main body part 12 is internally provided with an inserting cavity 103, and the rear end of the inserting cavity 103 is internally provided with a limiting piece 14; the limiting piece 14 is provided with a spring piece 141 extending back and forth, the plug connector 10 is provided with a fixing piece 15, the fixing piece 15 is propped against the upper surface of the spring piece 141, and the fixing piece 15 is used for pressing the spring piece 141 down so as to fix the position of the limiting piece 14; guide parts 142 extend outwards from the left end and the right end of the limiting piece 14, and guide grooves 104 matched with the guide parts 142 are concavely formed in the left end and the right end of the insertion cavity 103 respectively, so that the limiting piece 14 can be installed in a sliding mode through the matching of the guide grooves 104 and the guide parts 142.

The plug socket 20 is provided with the plug hole 201 matched with the plug connector 10, the plug part 11 is in interference fit with the plug hole 201, the inner side wall of the plug hole 201 is integrally provided with a plurality of contact parts 25 in an outward interval protruding mode, the outer wall of the plug part 11 is propped against the contact parts 25, the interference fit between the plug part 11 and the plug socket 20 is changed from original surface contact to line contact, the plug part 11 is prevented from propping up the plug hole 201, the problem of insufficient stability of the installation structure of the plug part 11 is prevented, and the stability of contact and the whole service life of the socket are ensured; in this embodiment, the socket 20 includes a body 21 and a socket 22 integrally extending rearward from a rear end of the body 21, where the socket 22 extends into the socket cavity 103 and abuts against a front end surface of the limiting plate 14; the socket 20 is provided with a fixing piece 23, the fixing piece 23 is provided with a fixing hole 202 matched with the socket 11, and the fixing piece 23 is sleeved on the socket 11 through the fixing hole 202 and is attached to the front end face of the socket 20; the opening of the rear end surface of the plugging hole 201 is concavely provided with a bevel 24 for connecting the plugging hole 201, and the bevel 24 is used for facilitating the insertion and installation of the plugging part 11.

The design focus of the utility model is that: through offer on the bayonet socket with plug complex spliced eye, interference fit between spliced eye and the spliced eye, and the integrative outside interval of cooperation spliced eye inside wall is protruding to be equipped with a plurality of contact portions, the outer wall of aforesaid spliced eye supports on the contact portion, be through the contact between contact portion and the spliced eye when making the surplus cooperation, change current face contact into line contact, the spliced eye props the split with the spliced eye in the avoidance of assembly process, prevent the problem of damaging the spliced eye in the spliced eye installation, the cost waste that causes in the avoidance of assembly process, structural strength in spliced eye also can not be influenced during the assembly, the stability of assembly process has been guaranteed, the holistic life of socket connector has still been effectively increased simultaneously.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.

Claims

1. An improved structure of interference fit of a DC socket connector is characterized in that: comprises a plug connector and a plug seat; the plug connector is provided with a plug part extending forwards; the socket is provided with a socket hole matched with the plug, the socket part is in interference fit with the socket hole, the inner side wall of the socket hole is integrally provided with a plurality of contact parts in an outward interval protruding mode, and the outer wall of the socket part abuts against the contact parts.

2. The improved structure of interference fit for a DC receptacle connector according to claim 1, wherein: the plug connector comprises a main body part and a connecting rod arranged on the main body part, wherein a mounting hole is formed in the main body part, the connecting rod is arranged on the main body part through the mounting hole, and the plug connector integrally extends forwards from the front end of the connecting rod and outwards extends out of the main body part through the mounting hole.

3. The improved structure of interference fit for a DC receptacle connector according to claim 2, wherein: the rear end opening of the mounting hole is integrally concavely provided with a positioning groove to the outside, and the outer peripheral side wall of the connecting rod is convexly provided with a positioning part matched with the positioning groove.

4. The improved structure of interference fit for a DC receptacle connector according to claim 2, wherein: an inserting cavity is formed in the main body part, and a limiting piece is arranged in the rear end of the inserting cavity; correspondingly, the plug seat comprises a body and a plug part integrally extending backwards from the rear end of the body, and the plug part extends into the plug cavity and abuts against the front end surface of the limiting piece.

5. The improved structure of interference fit DC receptacle connector according to claim 4, wherein: the limiting piece is provided with a spring piece extending back and forth, the plug connector is provided with a fixing piece, and the fixing piece is propped against the upper surface of the spring piece.

6. The improved structure of interference fit DC receptacle connector according to claim 4, wherein: the left end and the right end of the limiting piece are respectively outwards extended to form guide parts, and the left end and the right end of the inserting cavity are respectively inwards concavely provided with guide grooves matched with the guide parts.

7. The improved structure of interference fit for a DC receptacle connector according to claim 1, wherein: the plug seat is provided with a fixing piece, a fixing hole matched with the plug seat is formed in the fixing piece, and the fixing piece is sleeved on the plug seat through the fixing hole and is attached to the front end face of the plug seat.

8. The improved structure of interference fit for a DC receptacle connector according to claim 1, wherein: and an inclined plane connected with the plug hole is concavely arranged at the opening of the rear end surface of the plug hole.