CN205657188U - Connector - Google Patents

Abstract

The utility model discloses a connector, which comprises: an insulating main body; a plurality of terminals arranged in the insulating main body; a main shell, in which the insulating main body is accommodated; and an inner shell, installed in the main shell The insulating body is on and accommodated in the main housing. At least one elastic finger adapted to make elastic electrical contact with the inner wall of the main housing is formed on the inner housing. In the utility model, since the elastic fingers suitable for elastic electrical contact with the inner wall of the main housing are formed on the inner housing, the inner housing can be electrically connected to the main housing through the elastic fingers without using expensive High laser welding method is used to realize the electrical connection between the two, thereby reducing the manufacturing cost of the connector.

Description

Connector

technical field

The utility model relates to a connector, in particular to a USB TYPE-C connector.

Background technique

Generally, a USB TYPE-C connector generally includes upper and lower rows of terminals, an insulating body molded on the two rows of terminals, an inner housing mounted on the insulating body, and a main housing for accommodating the insulating body and the inner housing.

The traditional USB Type-C connector uses laser welding to electrically connect the inner shell to the main shell. However, the cost of laser welding is very high. In order to reduce manufacturing costs, some manufacturers will cancel the inner shell, but canceling the inner shell will reduce the electromagnetic shielding performance of the connector, which does not meet the requirements of the association standard.

Utility model content

The utility model provides a connector, which can reduce the manufacturing cost of the connector.

According to one aspect of the present invention, there is provided a connector, comprising: an insulating body; a plurality of terminals disposed in the insulating body; a main housing, in which the insulating body is housed; and an inner A casing is mounted on the insulating body and accommodated in the main casing. At least one elastic finger adapted to make elastic electrical contact with the inner wall of the main housing is formed on the inner housing.

According to an exemplary embodiment of the present invention, the inner casing is assembled from a pair of identical half casing parts.

According to another exemplary embodiment of the present invention, the half-shell part includes a plate-shaped main body and a pair of sidewalls located on both sides of the plate-shaped main body; An opening is formed on one side wall portion and a protrusion is formed on the other side wall portion; the protrusion of one half-shell part engages with the opening of the other half-shell part, thereby assembling the pair of half-shell parts together.

According to another exemplary embodiment of the present invention, each half-shell part has two elastic fingers, and the elastic fingers extend from the edge of the plate-shaped body part towards the inner wall of the main shell.

According to another exemplary embodiment of the present invention, the connector further includes a ring-shaped insulator, and the ring-shaped insulator is sleeved on the insulator body and accommodated in the main housing; A circle of insulating protrusions is formed on the outer peripheral surface of the annular insulating member, and a circle of first grooves is formed on the inner wall of the main housing; the insulating protrusions are adapted to cooperate with the first grooves, so that The insulating body and ring insulating member are securely held in the main housing.

According to another exemplary embodiment of the present invention, the insulating protrusion and the first groove are designed to fit in an interference manner, so that the main casing and the annular insulating member A reliable sealing fit is achieved between them.

According to another exemplary embodiment of the present invention, the insulating body has a base and a tongue extending forward from the base, and the ring-shaped insulator is sleeved on the tongue of the insulating body; A circle of grooves is defined between the rear end surface of the annular insulating member and the front end surface of the base of the insulating body, and a circle of second grooves is formed on the inner wall of the main housing. The circle of grooves Groove and described a circle of second groove together define a potting cavity; And in described potting cavity, be filled with sealant, so that form an annular seal in described potting cavity, described annular seal has An annular main body portion engaged with the one round of grooves and a round of raised portions protruding from the outer peripheral surface of the annular main body portion engaged with the one round of second grooves.

According to another exemplary embodiment of the present invention, the connector further includes an outer shell located outside the main shell; the main shell is installed inside the outer shell and connected to the outer shell body electrical connection.

According to another exemplary embodiment of the present invention, the outer casing has soldering feet suitable for being soldered on the circuit board, so as to support the entire connector on the circuit board.

According to another exemplary embodiment of the present utility model, the connector is a USB TYPE-C connector suitable for reciprocal plugging.

According to the foregoing embodiments of the present utility model, since elastic fingers suitable for elastic electrical contact with the inner wall of the main housing are formed on the inner housing, the inner housing can be electrically connected to the main housing through the elastic fingers , instead of adopting a costly laser welding method to realize the electrical connection between the two, thereby reducing the manufacturing cost of the connector.

Through the following description of the utility model with reference to the accompanying drawings, other purposes and advantages of the utility model will be apparent, and can help to have a comprehensive understanding of the utility model.

Description of drawings

Fig. 1 shows a schematic perspective view of a connector according to an exemplary embodiment of the present invention;

Fig. 2 shows a perspective exploded view of a connector according to an exemplary embodiment of the present invention;

Fig. 3 shows a schematic structural view of the inner casing in Fig. 2;

Figure 4 shows a schematic structural view of the terminal assembly in Figure 2;

Figure 5 shows a top view of the terminal assembly shown in Figure 4;

Figure 6 shows a longitudinal sectional view of the main housing in Figure 2; and

Fig. 7 shows a longitudinal sectional view of a connector according to an exemplary embodiment of the present invention.

detailed description

The technical solutions of the present utility model will be further specifically described below through the embodiments and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals designate the same or similar components. The following descriptions of the embodiments of the utility model with reference to the accompanying drawings are intended to explain the overall utility model concept of the utility model, and should not be construed as a limitation of the utility model.

In addition, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a comprehensive understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagrammatic form to simplify the drawings.

According to a general technical concept of the present utility model, a connector is provided, comprising: an insulating body; a plurality of terminals arranged in the insulating body; a main housing, the insulating body is accommodated in the main housing; and an inner housing mounted on the insulating body and accommodated in the main housing. At least one elastic finger adapted to make elastic electrical contact with the inner wall of the main housing is formed on the inner housing.

Fig. 1 shows a schematic perspective view of a connector according to an exemplary embodiment of the present invention. Fig. 2 shows a perspective exploded view of a connector according to an exemplary embodiment of the present invention.

In an exemplary embodiment of the present invention, as shown in FIGS. 1 and 2 , the connector mainly includes an insulating body 100 , a plurality of terminals 200 , an annular insulating member 300 and a main housing 600 .

As shown in FIGS. 1 and 2 , a plurality of terminals 200 are provided in the insulating body 100 . The plurality of terminals 200 can be divided into two rows, one row of terminals is disposed on the top side (or called the front side) of the insulating body 100 , and the other row of terminals is disposed on the bottom side (or called the reverse side) of the insulating body 100 .

In an exemplary embodiment of the present utility model, the aforementioned connector may be a USB TYPE-C connector suitable for plugging in front and back. At this time, the number of the row of terminals 200 on the top side of the insulating body 100 is the same as that of the other row of terminals 200 on the bottom side of the insulating body 100, and the functions are completely consistent. Therefore, this USB TYPE-C connector can Does not distinguish between front and back, suitable for front and back plugging.

As shown in FIG. 1 and FIG. 2 , in the illustrated embodiment, the annular insulating member 300 is sleeved on the insulating main body 100 . The insulating body 100 and the ring insulating member 300 are accommodated in the main case 600 .

FIG. 4 shows a schematic structural diagram of the terminal assembly in FIG. 2 . FIG. 5 shows a top view of the terminal assembly shown in FIG. 4 .

As shown in FIGS. 1-2 and 4-5 , in the illustrated embodiment, the terminal assembly mainly includes an insulating body 100 , a plurality of terminals 200 disposed in the insulating body 100 , and a ring-shaped ring sleeved on the insulating body 100 . The insulator 300 and the inner case 400 mounted on the insulator body 100 .

FIG. 6 shows a longitudinal sectional view of the main housing 600 in FIG. 2; and FIG. 7 shows a longitudinal sectional view of a connector according to an exemplary embodiment of the present invention.

As shown in FIG. 4 and FIG. 5 , in one embodiment of the present invention, a ring of insulating protrusions 310 is formed on the outer peripheral surface of the annular insulating member 300 .

As shown in FIGS. 6 and 7 , in one embodiment of the present invention, a circle of first grooves 610 is formed on the inner wall of the main housing 600 .

As shown in FIGS. 4-7, the insulating protrusion 310 is adapted to cooperate with the first groove 610, so as to securely hold the insulating body 100 and the annular insulating member 300 in the main housing 600, so that the insulating body will be able to 100 and the annular insulator 300 are securely held in the main housing 600 .

In an exemplary embodiment of the present utility model, as shown in FIGS. 4-7 , the insulating protrusion 310 and the first groove 610 are designed to fit in an interference manner, so that the main housing 600 and the ring Reliable sealing fit can be achieved between the shaped insulators 300 , thereby effectively preventing the glue poured into the rear of the main housing 600 from overflowing to the contact portions of the terminals 200 located at the front of the main housing 600 .

As shown in FIGS. 1-2 , in the illustrated embodiment, the insulating body 100 has a base 110 and a tongue 120 extending forward from the base 110 , and the ring-shaped insulator 300 is sleeved on the tongue 120 of the insulating body 100 superior.

As shown in FIGS. 4 and 5 , in the illustrated embodiment, a groove 501 is defined between the rear end surface of the ring-shaped insulating member 300 and the front end surface of the base 110 of the insulating body 100 . As shown in FIG. 6 , a ring of second grooves 620 is formed on the inner wall of the main housing 600 . As shown in FIGS. 4-7 , a circle of grooves 501 and a circle of second grooves 620 together define a potting cavity. As shown in FIGS. 1-2 and 4-7 , a sealant is poured into the glue filling cavity, so as to form an annular seal 500 in the glue filling cavity. The annular seal 500 has an annular body portion 510 engaged with a ring of grooves 501 and a ring of protrusions 520 protruding from the outer peripheral surface of the ring body portion 510 engaged with a ring of second grooves 620 .

In the foregoing embodiments of the present utility model, since the insulating protrusion 310 and the first groove 610 are sealed and fitted in an interference manner, when the sealant is poured into the aforementioned glue filling cavity, the sealant will not overflow into the On the contact portion of the terminal 200 located at the front of the main housing 600 .

FIG. 3 shows a schematic structural diagram of the inner casing 400 in FIG. 2 . As shown in FIGS. 1-3 , the connector further includes an inner housing 400 located inside the main housing 600 . The inner housing 400 is mounted on the tongue portion 120 of the insulating body 100 , and the inner housing 400 has at least one elastic finger 413 adapted to be in elastic electrical contact with the inner wall of the main housing 600 . Therefore, in the aforementioned embodiments of the present utility model, the inner housing 400 can be electrically connected to the main housing 600 through the elastic fingers 413, without the need for high-cost laser welding to realize the electrical connection between the two, thereby The manufacturing cost of the connector is reduced.

As shown in FIG. 3 , in an exemplary embodiment of the present invention, the aforementioned inner housing 400 can be assembled from a pair of identical half housing parts 410 , 410 . In this way, the manufacturing cost of the half-shell parts 410, 410 can be reduced, and the manufacturing cost of the connector can be further reduced.

Please continue to refer to FIG. 3 , in the illustrated embodiment, the half-shell part 410 includes a plate-shaped main body and a pair of sidewalls located on both sides of the plate-shaped main body. An opening 411 is formed on one side wall portion of the half shell member 410 , and a protrusion 412 is formed on the other side wall portion. The protrusion 412 of one half-shell part 410 is adapted to engage the opening 411 of the other half-shell part 410 so that the pair of half-shell parts 410, 410 can be assembled together.

As shown in FIG. 3 , each half-shell part 410 has two spring fingers 413 . As shown in FIGS. 3 and 7 , each elastic finger 413 extends from the edge of the plate-shaped main body portion of the inner housing 400 toward the inner wall of the main housing 600 .

As shown in FIGS. 1 and 2 , in the illustrated embodiment, the connector further includes an outer housing 700 located outside the main housing 600 . The main case 600 is installed inside the outer case 700 and electrically connected with the outer case 700 . In an embodiment of the present invention, the main housing 600 and the outer housing 700 may be connected by screws or by welding.

As shown in FIGS. 1 and 2 , the outer housing 700 has soldering feet 710 suitable for soldering on a circuit board (not shown). When the soldering feet 710 of the outer casing 700 are soldered to the circuit board, the entire connector is firmly supported on the circuit board.

Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can improve them, and the structures described in various embodiments do not conflict with each other in terms of structure or principle Can be combined freely.

Although the utility model has been described in conjunction with the drawings, the embodiments disclosed in the drawings are intended to illustrate the preferred implementation of the utility model, and should not be construed as a limitation of the utility model.

While certain embodiments of the present general inventive concept have been shown and described, those of ordinary skill in the art will appreciate that changes may be made to these embodiments without departing from the principles and spirit of the present general inventive concept, the present invention The scope of the utility model is defined by the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Additionally, any element references in the claims should not be construed as limiting the scope of the present invention.

Claims (10)

1. A connector, comprising: insulating body (100); a plurality of terminals (200), arranged in the insulating body (100); a main housing (600) in which the insulating body (100) is accommodated; and an inner housing (400), mounted on the insulating body (100) and housed in the main housing (600), It is characterized by: At least one elastic finger (413) adapted to make elastic electrical contact with the inner wall of the main housing (600) is formed on the inner housing (400). 2. The connector according to claim 1, characterized in that: The inner shell (400) is assembled from a pair of identical half shell parts (410, 410). 3. The connector according to claim 2, characterized in that: The half-shell part (410) includes a plate-shaped body part and a pair of side wall parts located on both sides of the plate-shaped body part; An opening (411) is formed on one side wall of the half-shell part (410), and a protrusion (412) is formed on the other side wall; The protrusion (412) of one half-shell part (410) engages the opening (411) of the other half-shell part (410), thereby assembling the pair of half-shell parts (410, 410). 4. The connector according to claim 3, characterized in that: Each half-shell part (410) has two elastic fingers (413) extending from the edge of the plate-like body part towards the inner wall of the main shell (600). 5. The connector according to any one of claims 1-4, characterized in that: The connector also includes a ring-shaped insulating member (300), the ring-shaped insulating member (300) is sleeved on the insulating body (100) and accommodated in the main housing (600); A ring of insulating protrusions (310) is formed on the outer peripheral surface of the annular insulating member (300), and a ring of first grooves (610) is formed on the inner wall of the main housing (600); The insulating protrusion (310) is adapted to cooperate with the first groove (610), so as to securely hold the insulating body (100) and the annular insulating member (300) in the main casing (600) )middle. 6. The connector according to claim 5, characterized in that: The insulating protrusion (310) and the first groove (610) are designed to fit in an interference manner, so that there is a gap between the main casing (600) and the annular insulating member (300). To achieve a reliable sealing fit between. 7. The connector according to claim 5, characterized in that: The insulating body (100) has a base (110) and a tongue (120) extending forward from the base (110), and the annular insulating member (300) is sleeved on the insulating body (100). on the tongue (120); A groove (501) is defined between the rear end surface of the annular insulating member (300) and the front end surface of the base (110) of the insulating body (100), and a groove (501) is defined between the main casing (600) A circle of second grooves (620) is formed on the inner wall, and the circle of grooves (501) and the circle of second grooves (620) together define a glue filling chamber; and Sealant is poured into the glue filling cavity, so that an annular seal (500) is formed in the glue filling cavity. An annular body portion (510) and a ring of protrusions (520) engaged with the ring of second grooves (620) protrude from the outer peripheral surface of the ring body portion (510). 8. The connector according to claim 1, characterized in that: The connector also includes an outer housing (700) external to the main housing (600); The main casing (600) is installed inside the outer casing (700) and electrically connected with the outer casing (700). 9. The connector according to claim 8, characterized in that: The outer housing (700) has soldering feet (710) adapted to be soldered on a circuit board to support the entire connector on the circuit board. 10 . The connector according to claim 1 , wherein the connector is a USB TYPE-C connector suitable for reciprocal plugging. 11 .