CN201690049U - electrical connector - Google Patents

Abstract

The utility model discloses an electric connector, including an insulator, a plurality of conductive terminal, a metal casing, a waterproof packing ring and a waterproof lantern ring. The insulating body is provided with a main part and a butt joint part formed by forward protruding of one end of the main part, the butt joint part is provided with a plurality of terminal grooves, and the main part is provided with a groove; the plurality of conductive terminals are inserted in the terminal grooves on the insulating body; one end of the metal shell is fixedly arranged on the main part of the insulation body, and two accommodating cavities are convexly arranged on the metal shell; the waterproof gasket is sleeved in the groove of the main part of the insulation body and is extruded against the inner wall of the metal shell, and the waterproof sleeve is sleeved on the outer side of one end of the metal shell. The utility model discloses protruding two of establishing on metal casing accept the chamber, avoid seting up the card and hold the hole on metal casing to can prevent that the moisture from holding the hole from metal casing's card and entering into the electric connector, and increase waterproof packing ring and waterproof lantern ring, avoid the moisture to enter into the electric connector from the electric connector both ends inside.

Description

electrical connector

technical field

The utility model relates to a connector, in particular to an electrical connector with waterproof function.

Background technique

With the continuous advancement of technology, electrical connectors are widely used in data transmission between mobile phones, digital cameras and other products and computers.

Please refer to Figure 5, the existing electrical connector 100' includes an insulating body 1', a number of conductive terminals 2' inserted on the insulating body 1' and a metal shell 3', and two The holding hole 31' is used to match with the hook (not shown) on the docked connector (not shown) of the electrical connector 100', so as to securely connect the docked connector (not shown) to the electrical connector 100' butt.

However, the existing electrical connector 100' has no waterproof function design, and moisture can penetrate into the interior of the electrical connector 100' from the holding hole 31' or the two ends of the metal shell 3' of the electrical connector 100', thereby causing damage to the electrical connector 100'. Due to the short circuit, this will not only cause signal interruption and affect the quality of the transmitted signal, but also cause leakage and electric shock accidents.

Utility model content

The main purpose of this utility model is to provide a waterproof electrical connector for the defects of the above-mentioned prior art.

To achieve the above purpose, the electrical connector of the present invention includes an insulating body, a plurality of conductive terminals, a metal shell, a waterproof gasket and a waterproof collar. The insulating body has a main part and a docking part formed by protruding forward from one end of the main part. There are several terminal slots on the docking part, and a groove on the main part; several conductive terminals are inserted into the terminal slots on the insulating body. ; One end of the metal shell is fixed on the main part of the insulating body, and there are two receiving cavities protruding from the metal shell; the waterproof gasket is set in the groove of the main part of the insulating body and squeezed against the inner wall of the metal shell, and the waterproof sleeve The ring is sleeved on the outer side of one end of the metal shell.

A retaining wall protrudes from the waterproof collar, a block is provided on both sides of the main part, and the metal shell includes an upper plate, two side plates formed by bending and extending from both sides of the upper plate and a The two side plates are bent and extended and joined together to form the lower plate. The two side plates are respectively provided with a bayonet and a clamping block, and the upper plate is provided with two clamping blocks.

The electrical connector also includes a waterproof gasket, a clamping ring, an upper housing and a lower housing, and the two sides of the lower housing correspond to the positions of the clamping blocks of the metal housing. The holding block is clamped on the clamping port. There are two openings at the positions corresponding to the two storage cavities of the lower shell and the metal shell. Covering the outer side of the metal shell; two card interfaces are provided at the corresponding positions of the upper shell and the clamping block of the metal shell, the clamping block is clamped on the card interface, and the upper shell is covered on the outside of the metal shell; the clamping ring It is set on the waterproof collar; the waterproof gasket is installed between the metal shell and the lower shell.

As mentioned above, the electrical connector of the utility model has two receiving cavities protruding from the metal shell, avoiding the opening of holding holes on the metal shell, thereby preventing moisture from entering the electrical connection from the holding holes of the metal shell. In the device, waterproof gaskets and waterproof collars are added to prevent moisture from entering the interior of the electrical connector from both ends of the electrical connector, so as to form an electrical connector with waterproof function.

Description of drawings

FIG. 1 is a perspective view of an embodiment of the electrical connector of the present invention.

FIG. 2 is an exploded perspective view of the electrical connector shown in FIG. 1 .

FIG. 3 is a perspective view of the insulating body of the electrical connector shown in FIG. 1 .

FIG. 4 is a perspective view of the metal shell of the electrical connector shown in FIG. 1 .

FIG. 5 is an exploded perspective view of a conventional electrical connector.

The reference signs in the figure are explained as follows:

Electrical connector 100 insulation body 1

Main part 11 Docking part 12

Terminal slot 13 Groove 14

Block 15 Conductive terminal 2

Metal shell 3 Upper plate 31

Clamping Block 32 Bayonet 33

Side panel 34 Lower panel 35

Storage chamber 36 Clamping block 37

Waterproof gasket 4 Upper case 5

Card interface 51 Lower housing 6

Opening 61 Holder 62

Solder leg 63 Waterproof gasket 7

Snap Ring 8 Waterproof Collar 9

Retaining wall 91

Detailed ways

In order to illustrate the technical content, structural features and the purpose and effect of the utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to Fig. 1 and Fig. 2, the electrical connector 100 of the present utility model comprises an insulating body 1, a plurality of conductive terminals 2, a metal shell 3, a waterproof gasket 4, an upper shell 5, a lower shell 6, a waterproof Gasket 7, a clamping ring 8 and a waterproof collar 9.

Please refer to Fig. 2 and Fig. 3, the insulator body 1 has a main part 11 and a docking part 12 formed by protruding forward from one end of the main part 11, a number of terminal slots 13 are provided on the docking part 12, and a ring shape is provided on the main part 11. The groove 14 is provided with a block 15 on both sides of the main part 11 respectively.

Please refer to FIG. 1 and FIG. 2 , a plurality of conductive terminals 2 are inserted into the terminal slots 13 on the insulating body 1 .

2 and 4, the metal shell 3 includes an upper plate 31, two side plates 34 formed by bending and extending from both sides of the upper plate 31, and a lower plate formed by bending and extending the two side plates 34 and joining together. 35, the two side plates 34 are respectively protruded with a clamping block 32 and a bayonet opening 33, the upper plate 31 is protruded with two clamping blocks 37, and the lower plate 35 of the metal shell 3 is protruded with two receiving cavities 36 , the bayonet 33 of the metal shell 3 is clamped on the block 15 on the main part 11 of the insulating body 1 , thereby holding the rear end of the metal shell 3 on the main part 11 of the insulating body 1 .

Please refer to Fig. 1 and Fig. 2, the waterproof gasket 4 is sleeved in the groove 14 of the main part 11 of the insulating body 1 and squeezed against the inner wall of the metal casing 3, and the waterproof collar 9 is provided with a retaining wall 91, The waterproof collar 9 is sleeved on the outer front end of the metal shell 3 .

Please refer to Fig. 2, the lower shell 6 is covered on the lower part of the metal shell 3, and the lower shell 6 is provided with two openings 61 corresponding to the positions of the two receiving cavities 36 of the metal shell 3, and the two receiving cavities 36 protrude into the openings. 61 outside. Two clamping openings 62 are respectively provided on two sides of the lower housing 6 corresponding to the clamping blocks 32 of the metal housing 3 , and the clamping blocks 32 are clamped on the clamping openings 62 . The lower casing 6 is provided with a plurality of soldering feet 63 for soldering to a circuit board (not shown), so as to hold the electrical connector 100 on the circuit board (not shown). Two card interfaces 51 are provided on the upper shell 5 corresponding to the clamping block 37 of the metal shell 3. The clamping block 37 is clamped on the card interface 51, and the upper shell 5 is covered on the upper part of the metal shell 3. The upper shell 5 is used to prevent the deformation of the lower shell 6 due to uneven force.

The clamping ring 8 is sleeved on the waterproof collar 9, and its rear side wall is held against the retaining wall of the waterproof collar 9, and the clamping ring 8 is tightly clamped on the inner wall of the electronic product of the electrical connector 100 device ( not shown in the figure) to prevent moisture from entering the electrical connector 100 from the butted end of the electrical connector 100. The waterproof gasket 7 is installed between the metal shell 3 and the lower shell 6 to prevent moisture from entering the electrical connector from the junction of the lower plate 35 of the metal shell 3 .

As mentioned above, the electrical connector 100 of the present utility model has two receiving cavities 36 protruding from the metal shell 3, so as to avoid opening a holding hole on the metal shell 3, thereby preventing moisture from being held by the metal shell 3. The hole enters the electrical connector 100, and a waterproof gasket 4 is sleeved in the groove 14 of the main part 11 of the insulating body 1, and a waterproof collar 9 is sleeved outside the front end of the metal shell 3 to prevent moisture from passing through the electrical connector 100. Both ends of the connector 100 enter into the electrical connector 100 to form a waterproof electrical connector 100 .

Claims (3)

1. an electric connector comprises an insulating body and plurality of conductive terminals, and insulating body has a principal part and protrudes out the docking section that forms forward by principal part one end, and the docking section is provided with the plurality of terminals groove, and plurality of conductive terminals is inserted in the terminal groove on the insulating body; It is characterized in that: the principal part of described insulating body is provided with a groove, described electric connector also comprises a metal shell, a waterproof washer and a waterproof collar, metal shell is immobilizated on the principal part of insulating body, convex with two host cavities on this metal shell, waterproof washer is sheathed in the groove of insulating body principal part and bears against on the metal shell inwall; The waterproof jacket ring set is located on the metal shell one end outside.

2. electric connector as claimed in claim 1, it is characterized in that: described waterproof collar epirelief is provided with a retaining and holds wall, described principal part both sides are respectively equipped with a fixture block, described metal shell comprises side plate that a upper plate, two is extended to form by upper plate two lateral bucklings and is extended and be engaged in the lower plate that forms together by the biside plate bending, offer a bayonet socket on the biside plate respectively and convex with a blocked block, convex with two clamping blocks on the upper plate.

3. electric connector as claimed in claim 1, it is characterized in that: described electric connector comprises that also a waterproof gasket, holds ring, a upper shell and a lower house, the corresponding position, blocked block position of lower house both sides and metal shell is respectively equipped with one and holds mouth, blocked block is fastened in and holds on the mouth, the corresponding position, two host cavity positions of lower house and metal shell offers two openings, two host cavities reach open outer side, establish some legs on the lower house, and lower house is coated on the metal shell outside; The corresponding position, clamping block position of upper shell and metal shell offers two card, and clamping block is fastened in card, and upper shell is coated on the metal shell outside; Hold ring set and be located at the waterproof collar; Waterproof gasket is installed between metal shell and lower house.

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