CN206271990U - USB Type‑C connector - Google Patents

Abstract

The utility model discloses a USB Type-C connector, which comprises an insulating body, an elastic plug connector, a terminal module and a shielding shell, wherein the elastic plug connector is arranged in the insulating body and comprises a middle plate and two elastic arms, a containing groove is formed between the two elastic arms and the middle plate, the front ends of the two elastic arms are respectively provided with an elastic contact part, the rear ends of the two elastic arms are respectively provided with a convex plate, and the convex plate is provided with a contact part and a clamping part; notches are respectively arranged at two sides of the rear end of the insulating body, and the convex plate extends out of the notches; the terminal module is arranged in the containing groove of the middle plate; the two sides of the rear end of the shielding shell are respectively provided with a clamping hole, the clamping parts are clamped in the clamping holes, and the contact parts are abutted against the inner wall of the shielding shell. Therefore, the contact part and the clamping part are arranged on the two elastic arms of the elastic plug connector, so that the elastic plug part and the shielding shell are mutually contacted and fixed relatively, the contact stability of the elastic plug part and the shielding shell is improved, and the EMI (electro-magnetic interference) prevention performance of the connector is improved.

Description

USB Type-C connector

technical field

The utility model relates to the technology in the field of connectors, in particular to a USB Type-C connector.

Background technique

With the rapid development of consumer electronics, automotive electronics, and communication terminal markets, connectors, as a transmission medium, are more and more widely used. So far, connectors have developed into serialized and specialized products with complete product categories, rich varieties and specifications, diverse structural types, subdivision of professional directions, obvious industry characteristics, and standardized standard systems.

The existing USB Type-C connector has a plug connector and a matching socket connector. In order to improve the shielding effect of the connector on interference signals, a shield is generally provided in one of the connectors, and a shield is provided in the other connector. There is an elastic connector that can be in contact with the shield when plugging in. The elastic connector contacts the shielding shell of its own connector. When the socket connector and the plug connector are plugged into each other, they rely on the elastic plug The contact conduction between the connector and the shielding member realizes the anti-electromagnetic interference effect of the connector; the existing elastic connector generally includes a middle plate and elastic arms arranged on both sides of the middle plate. At present, the contact mode between the elastic connector and the shielding shell has Two types, one of which is to set a protruding structure on both sides of the middle plate and hard interference connection with the shielding shell. In this way, the contact position between the elastic connector and the shielding shell is not completely relatively fixed, which is prone to poor contact. Hidden dangers, leading to poor anti-electromagnetic interference effect; the other is to connect the elastic connector with the shielding shell by laser spot welding. Although this method can make the contact between the elastic connector and the shielding shell firm, the production process of the connector It is more complicated, and it is not conducive to the disassembly and assembly of the connector. Therefore, the existing USB Type-C connector should be improved to solve the above problems.

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 a USB Type-C connector, which is provided with a contact portion and a holding portion on the two elastic arms of the elastic connector, and is used for shielding A clamping hole is provided on the shell, and the elastic socket part and the shielding shell are in contact with each other by using the cooperation of the clamping part and the clamping hole, and at the same time, they are completely fixed relative to each other, which improves the anti-EMI performance of the connector, and the connector production process Simple and easy to assemble.

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

A USB Type-C connector includes an insulating body, an elastic connector, a terminal module and a shielding shell. The elastic connector is installed in the insulating body, and it includes a middle plate and two elastic arms on both sides of the middle plate. There is a connecting part extending integrally outward respectively, and the two elastic arms are integrally connected to the connecting part respectively. The two elastic arms are sheet-shaped and higher than the middle plate, and a receiving groove is formed between the two elastic arms and the middle plate. , at the front ends of the two elastic arms facing each other, an elastic contact portion for contacting the docking connector is provided, and at the rear ends of the two elastic arms, a convex plate is respectively bent outward, and the convex plate is provided with a shielding The contact part that is in contact with the inner wall of the shell and the clamping part for mutual clamping with the shielding shell; the two sides of the rear end of the insulating body are respectively provided with a gap corresponding to the convex plate, and the above convex plate protrudes from the gap; the terminal module is installed on In the accommodating groove of the middle plate; the two sides of the rear end of the shielding shell are respectively provided with a holding hole corresponding to the above-mentioned holding part, the holding part is hooked in the holding hole, and the contact part abuts against the inner wall of the shielding shell.

As a preferred solution: both the contact part and the top of the holding part are arc-shaped, an arc-shaped groove is formed between the contact part and the holding part, the top of the contact part is in arc-shaped contact with the inner wall of the shielding shell, and the holding part The side wall is in plane contact with the holding hole.

As a preferred solution: the protruding plate is formed by bending the lower edge of the elastic arm outward.

As a preferred solution: the upper and lower edges of the two elastic arms are higher than the middle plate, and two upper and lower accommodating grooves are formed between the two elastic arms and the middle plate.

As a preferred solution: the terminal module includes an upper terminal module and a lower terminal module, and the upper terminal module and the lower terminal module are correspondingly installed in the upper and lower accommodating grooves of the elastic connector.

As a preferred solution: the intermediate plate is provided with a plurality of positioning through holes for positioning with the upper terminal module and the lower terminal module.

As a preferred solution: the upper and lower surfaces of the insulating body are respectively equipped with a ground plate for improving the EMI resistance performance of the connector.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be known from the above-mentioned technical solution that a convex plate is respectively bent outwardly at the rear ends of the two elastic arms of the elastic connector, and the The convex plate is provided with a contact part for contacting the inner wall of the shielding shell and a clamping part for clamping with the shielding shell. In the hole, the elastic socket part and the shielding shell are in contact with each other, and at the same time, they are relatively fixed to each other, which improves the contact stability between the elastic socket part and the shielding shell, and improves the EMI performance of the connector; in addition, the two elastic arms are integrally arranged on the On both sides of the middle plate, the overall structure of the elastic connector is simple, easy to assemble, and the electrical conduction is stable and reliable. Moreover, the elastic contact parts of the two elastic arms are not in contact with the blanking surface, without burrs, but in flat contact, with a smooth surface , The contact area is large, and the electrical conduction contact is stable. Moreover, the elastic performance is good, which improves the electrical conduction stability of the elastic connector, thereby making the connector work more stable.

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

Description of drawings

Figure 1 is a three-dimensional schematic diagram of a connector of the present invention;

Figure 2 is an exploded perspective view of the connector of the present invention;

Figure 3 is a schematic cross-sectional view of the cooperation between the elastic connector and the shielding shell of the utility model;

Fig. 4 is a three-dimensional schematic view of the elastic connector of the present invention.

Explanation of the accompanying drawings:

10. Insulation body 11. Notch

20. Elastic connector 21. Intermediate plate

211. Positioning through hole 22. Elastic arm

221, elastic contact part 222, raised plate

2221, contact part 2222, clamping part

2223, arc groove 23, accommodating groove

24. Connection part 30. Terminal module

31. Upper terminal module 32. Lower terminal module

40. Shielding shell 41. Holding hole

50. Grounding sheet.

detailed description

As shown in Figures 1 to 4 of the present utility model, a USB Type-C connector includes an insulating body 10, an elastic connector 20, a terminal module 30 and a shielding shell 40, wherein:

The elastic connector 20 is installed in the insulating body 10, and it includes a middle plate 21 and two elastic arms 22 located on both sides of the middle plate 21, and a connecting portion 24 is integrally extended outwardly on both sides of the middle plate 21, and the two The elastic arms 22 are integrally connected to the connecting portion 24 respectively; the two elastic arms 22 are in a sheet shape, and their upper and lower edges are higher than the middle plate 21, and the two elastic arms 22 and the middle plate 21 are surrounded by an upper and lower container. The slots 23; the front ends of the two elastic arms 22 are respectively opposite to each other, and an elastic contact portion 221 for contacting the docking connector is provided; the lower edges of the rear ends of the two elastic arms 22 are respectively bent outwards and provided with a convex plate 222, The convex plate 222 is provided with a contact portion 2221 for contacting the inner wall of the shielding shell 40 and a clamping portion 2222 for clamping with the shielding shell 40; the contact portion 2221 and the clamping portion 2222 are arc-shaped, and They are connected to each other, and an arc-shaped groove 2223 is formed between the contact portion 2221 and the holding portion 2222 .

Two sides of the rear end of the insulating body 10 are respectively provided with a notch 11 corresponding to the protruding plate 222 , and the protruding plate 222 protrudes from the notch 11 .

The terminal module 30 includes an upper terminal module 31 and a lower terminal module 32, the upper terminal module 31 and the lower terminal module 32 are correspondingly installed in the upper and lower accommodating grooves 23 of the elastic connector 20, and the middle plate 21 is provided with A plurality of positioning through holes 211 are used for positioning with the upper terminal module 31 and the lower terminal module 32 .

Both sides of the rear end of the shielding shell 40 are respectively provided with a locking hole 41 corresponding to the locking portion 2222 , the locking portion 2222 is locked in the locking hole 41 , and the contact portion 2221 abuts against the inner wall of the shielding shell 40 .

In addition, a grounding piece 50 is respectively installed on the upper and lower surfaces of the insulating body 10, and the grounding piece 50 is short-circuited with the shielding shell 40 of the connector. The metal grounding piece of the connector is shorted to improve the EMI performance of the connector.

The key point of the design of the present invention is that a convex plate is respectively bent outwardly at the rear ends of the two elastic arms of the elastic connector, and a contact portion for contacting with the inner wall of the shielding shell and a contact portion for contacting with the inner wall of the shielding shell are arranged on the convex plate. The clamping part where the shielding shells are clamped to each other, the contact part is tightly abutted on the inner wall of the shielding shell, and the clamping part is clamped in the clamping hole of the shielding shell, so that the elastic insertion part and the shielding shell are in contact with each other, and are relatively fixed to each other , improve the contact stability between the elastic socket part and the shielding shell, and improve the anti-EMI performance of the connector; in addition, the two elastic arms are integrated on both sides of the middle plate, the overall structure of the elastic connector is simple, easy to assemble, and the electrical conductivity The communication is stable and reliable, and the elastic contact part of the two elastic arms is not in contact with the blanking surface, without burrs, but in plane contact, with smooth surface, large contact area, and stable electrical conduction contact. Moreover, the elastic performance is good, which improves the electrical conduction stability of the elastic connector, thereby making the connector work more stable.

The above are only preferred embodiments of the present utility model, and are not intended to limit the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and equivalent changes made to the above embodiments according to the technical essence of the present utility model Modifications still belong to the scope of the technical solution of the utility model.

Claims (7)

1. a kind of USB Type-C connectors, it is characterised in that：Include insulating body, elastic plug connector, terminal module and screen Shell is covered, the elastic plug connector is installed in insulating body, it includes intermediate plate and two elastic arms, one is distinguished in intermediate plate both sides Body stretches out and is provided with a connecting portion, and two elastic arms are integrally connected on connecting portion respectively, and two elastic arm is in the form of sheets, and high For intermediate plate, enclosed between two elastic arms and intermediate plate and be configured to storage tank, setting opposite to one another is distinguished in two elastic arm front ends Have an elastic contact part for being contacted with butt connector, in two elastic arm rear ends respectively bending laterally to be provided with one convex Plate, is provided with for the contact site that is in contact of shielding outer casing inner wall and for the card with shielding the mutual clamping of shell on the protrusive board Hold portion；The insulating body rear end both sides correspond to protrusive board and are provided with a breach respectively, and above-mentioned protrusive board is stretched out by the breach；The Terminals Die Block is installed in the storage tank of intermediate plate；The shielding outer casing back both sides correspond to above-mentioned holding section and are provided with a holding hole respectively, Holding section is hooked in holding hole, and contact site is connected on shielding outer casing inner wall.

2. USB Type-C connectors according to claim 1, it is characterised in that：The contact site and holding section top are It is curved, a deep-slotted chip breaker is formed between contact site and holding section, contact site top curve is contacted with shielding outer casing inner wall, card Hold portion side wall and holding hole plane contact.

3. USB Type-C connectors according to claim 1, it is characterised in that：The protrusive board from elastic arm lower edge to Outside is bent to form.

4. USB Type-C connectors according to claim 1, it is characterised in that：The two elastic arms lower edges are high For intermediate plate, enclosed between two elastic arms and intermediate plate and be configured to upper and lower two storage tank.

5. USB Type-C connectors according to claim 4, it is characterised in that：The terminal module includes upper terminal Module and lower end submodule, the upper end submodule is corresponding with lower end submodule to be installed in the upper and lower storage tank of elastic plug connector.

6. USB Type-C connectors according to claim 5, it is characterised in that：It is provided with the intermediate plate a plurality of Positioning through hole for coordinating positioning with upper end submodule, lower end submodule.

7. USB Type-C connectors according to claim 1, it is characterised in that：The insulating body upper and lower surface difference Being provided with one is used to improve the ground strip of connector EMI suppression performance.