CN216120962U

CN216120962U - Type-c waterproof connector

Info

Publication number: CN216120962U
Application number: CN202122708914.1U
Authority: CN
Inventors: 周小辉
Original assignee: Dongguan Youlian Electronics Co ltd
Current assignee: Dongguan Youlian Electronics Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-03-22
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a Type-c waterproof connector, which comprises an insulating body, a plurality of metal terminals and a shell, wherein the metal terminals are integrally formed with the insulating body, the shell wraps the insulating body, the insulating body comprises a main body part fixed in the shell, the front end surface of the main body part extends forwards to form a tongue part which is not in contact with the inner wall of the front part of the shell, and the upper surface and the lower surface of the tongue part are distributed with contact parts of the metal terminals, and the Type-c waterproof connector is characterized in that: the rear end face of the main body part is in sealing combination with the inner wall of the rear part of the shell through a glue layer, the middle part of the rear end face of the main body part extends backwards to form an extension plate which penetrates through the glue layer and is in sealing combination with the glue layer, and the welding parts of the metal terminals are distributed on the lower surface of the extension plate. The Type-c waterproof connector improves the waterproof performance of the connector.

Description

Type-c waterproof connector

Technical Field

The utility model relates to the field of connectors, in particular to a Type-c waterproof connector.

Background

The conventional Type-c connector includes an insulator, a terminal mounted in the insulator, and a metal shell covering the insulator, and an insertion space for inserting an external plug is formed between a front end of the metal shell and the insulator. When the rear end of the connector is sealed with glue, the inner wall of the metal shell is not well fused with the glue on the rear end face of the insulating body, a gap is easy to generate, and the waterproof performance of the connector is reduced. Therefore, a new Type-c waterproof connector needs to be designed to improve the aforementioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a Type-c waterproof connector, which improves the waterproof performance of the connector.

In order to achieve the purpose, the utility model provides a Type-c waterproof connector which comprises an insulating body, a plurality of metal terminals and a shell, wherein the metal terminals are integrally formed with the insulating body, the shell wraps the insulating body, the insulating body comprises a main body part fixed in the shell, the front end surface of the main body part extends forwards to form a tongue part which is not in contact with the inner wall of the front part of the shell, the upper surface and the lower surface of the tongue part are provided with contact parts of the metal terminals, the rear end surface of the main body part is in sealing combination with the inner wall of the rear part of the shell through a glue layer, the middle part of the rear end surface of the main body part extends backwards to form an extending plate which penetrates through the glue layer and is in sealing combination with the glue layer, and the welding parts of the metal terminals are distributed on the lower surface of the extending plate.

As a further improvement of the utility model, the shell extends backwards to form a half-wrapping plate which wraps the upper side and the left and right sides of the extension plate, a gap is reserved between the top surface of the extension plate which penetrates through the glue layer and the half-wrapping plate on the upper side of the extension plate, the left and right inner walls of the half-wrapping plate are sunken to form clamping grooves, and the left and right sides of the extension plate which penetrates through the glue layer are clamped in the corresponding clamping grooves.

As a further improvement of the utility model, the lower edges of the left and right sides of the half enclosing plate extend downwards to form a first fixing leg.

As a further improvement of the utility model, the outer surfaces of the left side and the right side of the shell respectively extend outwards to form a second fixing pin, and the lower surface of the second fixing pin extends downwards to form a circuit board positioning pin.

As a further improvement of the utility model, the shell, the semi-enclosing plate, the first fixing pin, the second fixing pin and the positioning pin are all made of zinc alloy materials and are integrally formed, the first fixing pin is a straight pin, and the second fixing pin is a flat pin.

As a further improvement of the utility model, the periphery of the front part of the shell is sleeved with a waterproof rubber ring.

As a further improvement of the present invention, the welding portions of the metal terminals are distributed on the lower surface of the extension plate in three rows along the front-rear direction, the two rows of welding portions located on the front side are straight-insertion type welding portions, and the one row of welding portions located on the rear side are flat-patch type welding portions.

As a further improvement of the present invention, the insulation body comprises an upper body, a lower body, a front body and a rear body, the upper body and the lower body are fixed by an opposite insertion structure, the front body is located at the front end of the upper body and the lower body and is integrally formed with the upper body and the lower body, the rear body covers the middle periphery of the upper body and the lower body and is integrally formed with the upper body and the lower body, the extension plate comprises the rear parts of the upper body and the lower body, the metal terminals comprise an upper row of terminals integrally formed with the upper body and a lower row of terminals integrally formed with the lower body, the contact parts of the upper row of terminals are located on the upper surface of the upper body, the contact parts of the lower row of terminals are located on the lower surface of the rear part of the upper body, the welding parts of the upper row of terminals are flat-type welding parts located on the lower surface of the rear part of the upper body, the welding parts of the lower row of the terminals are straight-insertion type welding parts located on the front and back of the lower surface of the rear part of the lower body, the flat-type welding part is positioned at the rear side of the straight-type welding parts in the front row and the rear row.

As a further improvement of the present invention, the opposite insertion structure includes opposite insertion posts and opposite insertion holes corresponding to the opposite insertion posts, the opposite insertion posts extend upward from the lower surface of the rear portion of the lower body, and the opposite insertion holes penetrate through the upper and lower surfaces of the rear portion of the upper body.

As a further improvement of the utility model, the upper body and the lower body are separated by a metal sheet, and the metal sheet is integrally formed with the front body and the rear body.

As a further improvement of the utility model, the left and right sides of the front body and the left and right sides of the front part of the metal sheet are convexly combined into a hook part, the rear side of the metal sheet is bent downwards and extends to form circuit board pins, the circuit board pins penetrate through the rear part of the lower body and are positioned in the same row with the straight-insertion type welding parts of the rear row, and the opposite insertion structure penetrates through the rear part of the metal sheet.

As a further improvement of the utility model, the peripheries of the middle parts of the upper body and the lower body are also wrapped with metal shells, the rear body is wrapped on the periphery of the metal shells, the rear body and the metal shells are integrally formed, and the rear end face of the rear body is hermetically combined with the inner wall of the rear part of the shell through a glue layer.

As a further improvement of the present invention, the upper surface of the upper body and the lower surface of the lower body respectively protrude to form a supporting portion, the upper wall and the lower wall of the metal shell are respectively pressed and bent to form a supporting sheet, and the supporting portions of the upper body and the lower body are respectively supported at the supporting sheets of the upper wall and the lower wall of the metal shell.

Compared with the prior art, the Type-c waterproof connector has the following beneficial effects:

(1) the rear end of the main body part of the insulating body extends to form an extension plate, when the rear end of the connector is sealed, the shell can be sealed and combined into a whole through a glue layer and the rear end faces of the extension plate and the main body part, and a gap is not easy to generate, so that the waterproof performance of the connector is improved.

The utility model will become more apparent from the following description when taken in conjunction with the accompanying drawings, which illustrate embodiments of the utility model.

Drawings

Fig. 1 is an exploded view of a Type-c waterproof connector.

Fig. 2 is a first schematic diagram of the housing.

Fig. 3 is a second schematic diagram of the housing.

Fig. 4 is a schematic view of a metal sheet.

Fig. 5 is a schematic view of a metal shell.

Fig. 6 is an assembled view of a Type-c waterproof connector.

Fig. 7 is a schematic view of fig. 6 with the housing and upper body removed.

Fig. 8 is a schematic view of fig. 6 with the outer shell and the glue layer removed.

Fig. 9 is a schematic view of fig. 8 with the rear body and glue layer removed.

The reference numbers illustrate: the circuit board comprises an insulating body 1, a main body part 11, a tongue part 12, an extension plate 13, an upper body 1a, a pair of insertion holes 1a1, a lower body 1b, a pair of insertion posts 1b1, a front body 1c, a rear body 1d, a supporting part a, a metal terminal 2, a contact part 21, a welding part 22, a shell 3, a half-wrapping plate 31, a first fixing pin 311, a gap 32, a clamping groove 33, a second fixing pin 34, a positioning pin 35, a waterproof rubber ring 36, a rubber layer 4, a metal sheet 5, a hook part 51, a circuit board pin 52, a metal shell 6, a supporting sheet 61 and a circuit board 100.

Detailed Description

Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements.

Referring to fig. 1 to 9, the Type-c waterproof connector is a female connector, and includes an insulative housing 1, a plurality of metal terminals 2 integrally formed with the insulative housing 1, and a housing 3 covering the insulative housing.

The insulation body 1 comprises a main body part 11 fixed in the shell 3, the front end face of the main body part 11 extends forwards to form a tongue part 12 which is not in contact with the inner wall of the front part of the shell 3, the rear end face of the main body part 11 is in sealing combination with the inner wall of the rear part of the shell 3 through a glue layer 4, and the middle part of the rear end face of the main body part 11 extends backwards to form an extension plate 13 which penetrates through the glue layer 4 and is in sealing combination with the glue layer 4. The insulation body 11 comprises an upper body 1a, a lower body 1b, a front body 1c and a rear body 1d, wherein the upper body 1a and the lower body 1b are fixed through an opposite insertion structure, the opposite insertion structure comprises an opposite insertion column 1b1 and an opposite insertion hole 1a1 corresponding to the opposite insertion column 1b1, the opposite insertion column 1b1 extends upwards from the lower surface of the rear part of the lower body 1b, and the opposite insertion hole 1a1 penetrates through the upper surface and the lower surface of the rear part of the upper body 1 a. The front body 1c is located at the front end of the upper body 1a and the lower body 1b and is integrally formed with the upper body 1a and the lower body 1b, the rear body 1d covers the middle periphery of the upper body 1a and the lower body 1b and is integrally formed with the upper body 1a and the lower body 1b, and the extension plate 13 is formed by the rear portions of the upper body 1a and the lower body 1 b. The rear end face of the rear body 1d is hermetically combined with the inner wall of the rear part of the shell 3 through a glue layer 4, so that the waterproof grade of the female connector can reach IPX 68.

The contact portions 21 of the metal terminals 2 are distributed on the upper surface and the lower surface of the tongue portion 12, the welding portions 22 of the metal terminals 2 are distributed on the lower surface of the extension plate 13, the welding portions 22 of the metal terminals 2 are three rows and are distributed on the lower surface of the extension plate 13 in the front-back direction, the two rows of welding portions 22 located on the front side are straight-insertion type welding portions, the one row of welding portions 22 located on the rear side are flat-adhesion type welding portions, and the two rows of straight-insertion type welding portions and the one row of flat-adhesion type welding portions are designed, so that the welding condition is conveniently detected, and whether the front row of welding portions are in a false welding condition or not is conveniently detected. The metal terminals 2 include upper row terminals integrally formed with the upper body 1a and lower row terminals integrally formed with the lower body 1b, the contact portions 21 of the upper row terminals are located on the upper surface of the upper body 1a, the contact portions 21 of the lower row terminals are located on the lower surface of the lower body 1b, the welding portions 22 of the upper row terminals are one row of flat-type welding portions located on the lower surface of the rear portion of the upper body 1a, the welding portions 22 of the lower row terminals are straight-insertion type welding portions located on the lower surface of the rear portion of the lower body 1b and distributed in two front and rear rows, and the flat-type welding portions are located on the rear sides of the straight-insertion type welding portions in the two front and rear rows.

The shell 3 extends backward to form a semi-enclosing plate 31 covering the upper side and the left and right sides of the extending plate 13, a gap 32 is formed between the top surface of the extending plate 13 penetrating the glue layer 4 and the semi-enclosing plate 31 covering the upper side of the extending plate 13, the left and right inner walls of the semi-enclosing plate 31 are sunken to form a clamping groove 33, the left and right sides of the extending plate 13 penetrating the glue layer 4 are clamped in the corresponding clamping groove 33, the Surface Mount Technology (SMT) flatness can be guaranteed through the design of the clamping groove 33, insufficient welding can not occur, the detection time is greatly shortened, and the production efficiency is improved. The lower edges of the left side and the right side of the half enclosing plate 31 extend downwards to form a first fixing leg 311. The outer surface of the left side and the outer surface of the right side of the shell 3 are respectively provided with a second fixing pin 34 in an outward extending mode, the lower surface of the second fixing pin 34 extends downwards to form a circuit board positioning pin 35, the first fixing pin 311 and the circuit board positioning pin 35 are both connected with the circuit board 100, and the stability of the female connector when being connected with the circuit board is improved. The shell 3, the half-enclosing plate 31, the first fixing leg 311, the second fixing leg 34 and the positioning leg 35 are made of zinc alloy materials and are integrally formed, production is facilitated, production efficiency is greatly improved, and production technology is simplified. The first fixing pin 311 is a straight pin, and the second fixing pin 34 is a flat pin. The periphery of the front part of the shell 3 is sleeved with a waterproof rubber ring 36, and the waterproof rubber ring 36 is used for improving the waterproof performance.

The upper body 1a and the lower body 1b are separated by a metal sheet 5, the metal sheet 5 is integrally formed with the front body 1c and the rear body 1d, and the design of the metal sheet 5 is used for increasing the strength of the plug-in of the male-female connector. The left side and the right side of the front body 1c and the left side and the right side of the front part of the metal sheet 5 are both convexly bent to form a hook part 51 which is combined into a whole, the rear side of the metal sheet 5 is bent downwards to form a circuit board pin 52, the circuit board pin 52 penetrates through the rear part of the lower body 1b and is positioned in the same row with a direct-insertion type welding part of the rear row, and the design of the circuit board pin 52 is used for improving the stability of the female connector when being connected with a circuit board. The opposite insertion posts 1b1 of the opposite insertion structure penetrate the rear part of the metal sheet 5.

The periphery of the middle parts of the upper body 1a and the lower body 1b is further coated with a metal shell 6, and the design of the metal shell 6 is used for increasing the plug-in strength of the male-female connector. The rear body 1d is wrapped on the periphery of the metal shell 6, and the rear body 1d and the metal shell 6 are integrally formed. The upper surface of the upper body 1a and the lower surface of the lower body 1b respectively protrude to form supporting parts a, so that the strength of the upper body 1a is increased. The upper wall and the lower wall of the metal shell 6 are respectively punched and bent to form support sheets 61, and the support portions a of the upper body 1a and the lower body 1b are respectively supported on the support sheets 61 of the upper wall and the lower wall of the metal shell 6.

The present invention has been described in connection with the preferred embodiments, but the present invention is not limited to the embodiments disclosed above, and is intended to cover various modifications, equivalent combinations, which are made in accordance with the spirit of the present invention.

Claims

1. The utility model provides a waterproof connector of Type-c, includes insulator, a plurality of metal terminals with insulator integrated into one piece and parcel insulator's shell, insulator is including being fixed in the main part in the shell, and the preceding terminal surface of main part extends forward and forms the tongue that does not contact with the anterior inner wall of shell, and the last lower surface distribution of tongue has metal terminal's contact site, its characterized in that: the rear end face of the main body part is in sealing combination with the inner wall of the rear part of the shell through a glue layer, the middle part of the rear end face of the main body part extends backwards to form an extension plate which penetrates through the glue layer and is in sealing combination with the glue layer, and the welding parts of the metal terminals are distributed on the lower surface of the extension plate.

2. The Type-c waterproof connector of claim 1, wherein: the shell extends backwards to form a semi-enclosing plate for covering the upper side and the left side and the right side of the extending plate, a gap is reserved between the top surface of the extending plate penetrating through the glue layer and the semi-enclosing plate on the upper side of the extending plate, the left inner wall and the right inner wall of the semi-enclosing plate are sunken to form clamping grooves, and the left side and the right side of the extending plate penetrating through the glue layer are clamped in the corresponding clamping grooves.

3. The Type-c waterproof connector of claim 2, wherein: the lower edges of the left side and the right side of the semi-enclosing plate extend downwards to form a first fixing pin.

4. The Type-c waterproof connector of claim 3, wherein: and the outer surfaces of the left side and the right side of the shell respectively extend outwards to form a second fixing pin, and the lower surface of the second fixing pin extends downwards to form a circuit board positioning pin.

5. The Type-c waterproof connector of claim 4, wherein: the shell, the semi-enclosing plate, the first fixing pin, the second fixing pin and the positioning pin are all made of zinc alloy materials and are integrally formed, the first fixing pin is a straight pin, and the second fixing pin is a flat pin.

6. The Type-c waterproof connector of claim 1, wherein: the periphery of the front part of the shell is sleeved with a waterproof rubber ring.

7. The Type-c waterproof connector of claim 1, wherein: the welding parts of the metal terminals are distributed on the lower surface of the extension plate in three rows along the front-back direction, the two rows of welding parts on the front side are straight-insertion type welding parts, and the one row of welding parts on the rear side are flat-pasting type welding parts.

8. The Type-c waterproof connector of claim 1, wherein: the insulation body comprises an upper body and a lower body, the extension plate comprises an upper body and a lower body, the metal terminals comprise upper row terminals and lower row terminals, the upper row terminals and the lower row terminals are integrally formed with the upper body, the contact parts of the upper row terminals are located on the upper surface of the upper body, the contact parts of the lower row terminals are located on the lower surface of the lower body, the welding parts of the upper row terminals are flat-type welding parts located on the lower surface of the rear portion of the upper body, the welding parts of the lower row terminals are straight-insertion type welding parts distributed in the front row and the rear row of the lower surface of the rear portion of the lower body, and the flat-type welding parts are located on the rear side of the straight-insertion type welding parts in the front row and the rear row.

9. The Type-c waterproof connector of claim 8, wherein: the opposite-inserting structure comprises opposite-inserting columns and opposite-inserting holes corresponding to the opposite-inserting columns, the opposite-inserting columns extend upwards from the lower surface of the rear portion of the lower body to form, and the opposite-inserting holes penetrate through the upper surface and the lower surface of the rear portion of the upper body.

10. The Type-c waterproof connector of claim 8, wherein: the upper body and the lower body are separated by a metal sheet, and the metal sheet is integrally formed with the front body and the rear body.

11. The Type-c waterproof connector of claim 10, wherein: the left side and the right side of the front body and the left side and the right side of the front part of the metal sheet are both convexly bent to form hook parts which are combined into a whole, the rear side of the metal sheet is bent downwards to extend to form circuit board pins, the circuit board pins penetrate through the rear part of the lower body and are positioned in the same row with the straight-insertion type welding parts of the rear row, and the opposite insertion structure penetrates through the rear part of the metal sheet.

12. The Type-c waterproof connector of claim 8, wherein: the periphery of the middle parts of the upper body and the lower body is further coated with a metal shell, the rear body is coated on the periphery of the metal shell, the rear body and the metal shell are integrally formed, and the rear end face of the rear body is in sealing combination with the inner wall of the rear part of the shell through a glue layer.

13. The Type-c waterproof connector of claim 11, wherein: the upper surface of the upper body and the lower surface of the lower body respectively protrude to form supporting parts, the upper wall and the lower wall of the metal shell are respectively punched and bent to form supporting pieces, and the supporting parts of the upper body and the lower body are respectively supported on the supporting pieces of the upper wall and the lower wall of the metal shell.