CN202363652U - electrical connector - Google Patents

Abstract

The utility model discloses an electric connector, which comprises an insulating body, a plurality of conductive terminals and a metal shell; the insulating body comprises a base and a tongue plate, the plurality of conductive terminals are fixed on the insulating body, each conductive terminal comprises a contact part, a connecting part and a welding part which are sequentially connected, and the contact part is exposed out of the tongue plate; the metal shell covers the insulating body, the front end of the metal shell is provided with an inserting space, and the metal shell is provided with a limiting part which extends into the inserting space and is used for preventing the plug from being excessively inserted; therefore, the limiting part extending into the inserting space is arranged on the metal shell, the plug is prevented from being excessively inserted by the limiting part, the insulating body is prevented from being burst by the plug, the insulating body is effectively protected from being damaged, the service life of a product is greatly prolonged, and convenience is brought to use of a user.

Description

electrical connector

technical field

The utility model relates to the technology in the field of electrical connectors, in particular to an electrical connector used to prevent a plug from breaking an insulating body.

Background technique

With the continuous development of science and technology, there are many kinds of electrical connectors used in various electronic products such as computers and digital cameras. The common ones are USB3.0 electrical connectors, HDMI electrical connectors, Micro-USB electrical connectors, Electrical connectors such as Mini-USB electrical connectors, the main structure of these electrical connectors includes an insulating body, a plurality of conductive terminals and a metal shell, the multiple conductive terminals are fixed on the insulating body, and the metal shell covers The insulating body is used to prevent electromagnetic interference.

According to the way they are used, electrical connectors are divided into two categories: socket electrical connectors and plug electrical connectors. To realize signal transmission, plug electrical connectors must be mated with socket electrical connectors. When the existing electrical connectors are plugged in, the insertion depth of the plug is usually limited by the insulating body of the socket electrical connector. However, most of the insulating bodies of the existing electrical connectors are made of plastic. When using the connector, the insulating body of the socket electrical connector is easily broken by the plug electrical connector, thereby causing damage to the socket electrical connector, and the service life of the product is short.

Utility model content

In view of this, the utility model aims at the deficiencies in the prior art, and its main purpose is to provide an electrical connector, which can effectively solve the problem that the insulating body of the existing electrical connector is easily broken during the mating connection, resulting in a product failure. The problem of short service life.

In order to achieve the above object, the utility model adopts the following technical solutions:

An electrical connector includes an insulating body, a plurality of conductive terminals and a metal shell; the insulating body includes a base and a tongue plate, the plurality of conductive terminals are fixed on the insulating body, and each conductive terminal includes a sequential connection The contact part, the connecting part and the welding part, the contact part exposes the tongue plate; the metal shell covers the insulating body, the front end of the metal shell has a plug-in space, and the metal shell is provided with a plug-in space for preventing The stopper where the plug is over-inserted.

As a preferred solution, the base of the insulating body is provided with a limiting groove for limiting the forward movement of the insulating body, and the limiting part is embedded in the limiting groove at the same time.

As a preferred solution, the limiting portion is formed on the metal casing by dotting.

As a preferred solution, the limiting part is arranged on the top plate of the metal casing.

As a preferred solution, a limiting block is bent and extended from the side edge of the rear end of the metal shell, and the limiting block is abutted against the rear end surface of the insulating body.

As a preferred solution, the limiting block is integrally bent and extended from the top plate of the metal casing.

As a preferred solution, a Y-shaped fixing foot is bent and extended outward from the side edge of the rear end of the metal shell, and the side surface of the fixing foot abuts against the rear end surface of the insulating body.

As a preferred solution, the plurality of conductive terminals are embedded with the insulating body.

As a preferred solution, the front end of each conductive terminal is reversely bent and extended to have a fixing part, and the fixing part is buried in the insulating body.

As a preferred solution, the electrical connector is a USB3.0 electrical connector, an HDMI electrical connector, a Micro-USB electrical connector or a Mini-USB electrical connector.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be known from the above technical solutions:

1. By setting a limiting part extending into the plug-in space on the metal shell, the limiting part is used to prevent the plug from being inserted too much, thereby preventing the plug from breaking the insulating body, effectively protecting the insulating body from being damaged, and greatly extending the life of the plug. The service life of the product provides convenience for users.

2. By setting a limiting groove on the base of the insulating body, the limiting part is embedded in the limiting groove at the same time to prevent the insulating body from moving forward relative to the metal shell, and the limiting block is used to abut against the rear end surface of the insulating body It prevents the insulating body from moving backward relative to the metal shell, so that the insulating body is well positioned in the metal shell, the product structure is simple, and the assembly is also very convenient.

In order to illustrate the structural features and functions of the utility model more clearly, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the assembled three-dimensional schematic diagram of the preferred embodiment of the present utility model;

Fig. 2 is the exploded view of the preferred embodiment of the utility model;

Fig. 3 is another assembly perspective schematic diagram of a preferred embodiment of the present invention;

Fig. 4 is an exploded view of Fig. 3;

Fig. 5 is a sectional view of a preferred embodiment of the present invention.

Explanation of the accompanying drawings:

10. Insulation body 11. Base

111. Limiting groove 12. Tongue plate

20. Conductive terminal 21. Contact part

22. Connection part 23. Welding part

24. Fixed part 30. Metal shell

31. Top plate 32. Bottom plate

33. Side plate 301. Limiting part

302. Limiting block 303. Fixed foot

101. Plug-in space.

Detailed ways

Please refer to FIG. 1 to FIG. 5 , which show the specific structure of a preferred embodiment of the present invention, including an insulating body 10 , a plurality of conductive terminals 20 and a metal shell 30 .

Wherein, as shown in FIG. 2, the insulating body 10 includes a base 11 and a tongue plate 12; the base 11 is provided with a limiting groove 111 for limiting the forward movement of the insulating body 10, and the number of the limiting grooves 111 The two limiting grooves 111 are arranged on the front edge of the upper surface of the base 11 , and the number and location of the limiting grooves 111 are not limited;

The plurality of conductive terminals 20 are fixed on the insulating body 10. In this embodiment, the plurality of conductive terminals 20 are inlaid with the insulating body 10. Of course, they can also be fixed on the insulating body 10 by inserting. Each conductive terminal 20 includes a contact portion 21, a connection portion 22 and a welding portion 23 that are sequentially integrally formed and connected, and the contact portion 21 exposes the lower surface of the tongue plate 12; the connection portion 22 is at the tail end of the contact portion 21 Vertically bent and extended, the welding portion 23 is vertically bent and extended at the tail end of the connecting portion 22, the welding portion 23 is parallel to the contact portion 21, and the welding portion 23 is used for welding and electrical connection with the external circuit board; and, each The front end of the contact portion 21 of the conductive terminal 20 is reversely bent and extended to have a fixing portion 24 , which is embedded in the insulating body 10 so as to bite the insulating body 10 so that the conductive terminal 20 is firmly fixed on the insulating body 10 superior.

The metal shell 30 covers the aforementioned insulating body 10, and the front end of the metal shell 30 has an insertion space 101, and the metal shell 30 is provided with a stopper 301 extending into the insertion space 101 to prevent the plug from being inserted too much. The limiting part 301 is embedded in the aforementioned limiting groove 111 at the same time, so as to limit the forward movement of the insulating body 10 relative to the metal shell 30. The forming method of the position portion 301 is not limited; specifically, the metal casing 30 includes a top plate 31, a bottom plate 32 and two side plates 33 connecting the top plate 31 and the bottom plate 32, and the aforementioned limiting portion 301 is set on the top plate 31 and, the limit block 302 is bent and extended from the rear end side edge of the metal shell 30, and the limit blocks 302 are two left and right symmetrically arranged, and the two limit blocks 302 are against the rear end surface of the insulating body 10 In this way, the insulator body 10 is restricted from moving backward relative to the metal shell 30 and out of the metal shell 30. Specifically, the limit block 302 is bent and extended integrally on the top plate 31 of the metal shell 30. The forming method of the limit block 302 and The number is not limited; in addition, a Y-shaped fixing foot 303 is bent and extended downward on the rear end side edge of the metal shell 30, and the fixing foot 303 is used for fixed connection with an external circuit board, and the side of the fixing foot 303 abuts against on the rear end surface of the insulating body 10 to block the insulating body 10 so that the insulating body 10 cannot move backward relative to the metal shell 30 and is more firmly positioned in the metal shell 30 .

The assembly process of this embodiment is described in detail as follows:

The electrical connector referred to in the utility model can be various electrical connectors such as USB3.0 electrical connector, HDMI electrical connector, Micro-USB electrical connector or Mini-USB electrical connector, etc., without limitation; when assembling, Firstly, the conductive terminals 20 are fixed on the insulating body 10 by insert molding or inserting; then, the insulating body 10 is inserted forward into the metal shell 30 from the rear end opening of the metal shell 30, and when inserted in place, the The limiting part 301 is embedded in the corresponding limiting groove 111, and cannot move forward; then, the limiting block 302 is bent and extended from the rear end side edge of the metal shell 30, and the limiting block 302 is pressed against the insulating body 10 on the rear end face to prevent the insulating body 10 from moving backward relative to the metal shell 10, and then bend and extend the Y-shaped fixing feet 303 downward on the rear end side edge of the metal shell 30, so that the sides of the fixing feet 303 are against the insulating body 10, the assembly is completed, as shown in Figure 1 and Figure 3.

During use, the soldering portion 23 of each conductive terminal 20 is electrically connected to the external circuit board by welding, and the fixing pin 303 is welded and fixed to the external circuit board, and then the plug is inserted from the front end opening of the insertion space 101, due to the limiting portion 301 protrudes into the insertion space 101 , so that the limiting portion 301 prevents the plug from being inserted too far, thereby preventing the plug from breaking the insulating body 10 , and effectively protecting the insulating body 10 .

The key points of the design of this utility model are: firstly, by setting a limiting part extending into the plug-in space on the metal shell, the limiting part is used to prevent the plug from being inserted too much, thereby preventing the plug from breaking the insulating body and effectively protecting the insulation. The main body is not damaged, which greatly prolongs the service life of the product and provides convenience for users. Secondly, by setting a limiting groove on the base of the insulating body, the limiting part is embedded in the limiting groove at the same time to prevent the insulating body from moving forward relative to the metal shell, and the limiting block is used to abut against the rear end surface of the insulating body It prevents the insulating body from moving backward relative to the metal shell, so that the insulating body is well positioned in the metal shell, the product structure is simple, and the assembly is also very convenient.

The above are only preferred embodiments of the present utility model, and do not 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 essence of the present utility model , all still belong to the scope of the technical solution of the utility model.

Claims (10)

1. an electric connector includes an insulating body, a plurality of conducting terminal and a metal shell; This insulating body includes pedestal and hyoplastron, and these a plurality of conducting terminals are fixed on the insulating body, and each conducting terminal includes contact site, connecting portion and the weld part that connects successively, and this contact site exposes hyoplastron; This metal shell envelopes insulating body, and the front end of this metal shell has the grafting space, it is characterized in that: this metal shell is provided with and stretches into the limiting section that the grafting space is used to stop the undue insertion of plug.

2. electric connector according to claim 1 is characterized in that: the pedestal of said insulating body is provided with and is used to limit the stopper slot that insulating body moves forward, and this limiting section is embedded in this stopper slot simultaneously.

3. electric connector according to claim 1 and 2 is characterized in that: said limiting section takes shape on the metal shell through the mode of getting ready.

4. electric connector according to claim 1 and 2 is characterized in that: said limiting section is arranged on the top board of metal shell.

5. electric connector according to claim 1 and 2 is characterized in that: bending is extended on the rear end lateral margin of said metal shell has guide vane end stop, and this guide vane end stop is butted on the rear end face of insulating body.

6. electric connector according to claim 5 is characterized in that: the one bending on the top board of metal shell of said guide vane end stop is extended.

7. electric connector according to claim 1 and 2 is characterized in that: outside bending is extended on the rear end lateral margin of said metal shell has Y type fixing feet, and the side of this fixing feet is butted on the rear end face of insulating body.

8. electric connector according to claim 1 and 2 is characterized in that: said a plurality of conducting terminals and insulating body produced by insert molding.

9. electric connector according to claim 1 and 2 is characterized in that: the front end inverse bending of said each conducting terminal extends has fixed part, and this fixed part is embedded in the insulating body.

10. electric connector according to claim 1 and 2 is characterized in that: said electric connector is USB3.0 electric connector, HDMI electric connector, Micro-USB electric connector or Mini-USB electric connector.

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