TWM554651U - Water proof connector - Google Patents

Abstract

The present invention discloses a waterproof connector including an insulator, a plurality of terminals, a metal inner casing, and a waterproof casing. A through groove penetrating up and down is opened at the rear of the insulator. The plurality of terminals are integrally formed on the insulator, and have a holding portion, a contact portion connected to the front end of the holding portion, and a welded portion connected to the rear end of the holding portion. The through groove of the insulator is formed in the rear portion of the holding portion of the plurality of terminals and in front of the welded portion. The metal inner casing is coated and mounted on the outside of the insulator integrally formed with a plurality of terminals. The waterproof casing is integrally formed outside the metal inner casing, and includes a casing portion and a partition portion. The outer casing portion is wrapped around the metal inner casing, and the partition portion is integrally formed at the through groove. The partition portion can fill and effectively seal the inner portion of the metal inner casing. The assembly gap between the insulator and the rear end of the holding portion of the plurality of terminals. The water-repellent connector of the present invention can prevent the infiltration of moisture and liquid in the external environment and affect the electrical characteristics and service life.

Description

Waterproof connector

The present invention relates to a connector, and more particularly to a waterproof connector.

According to the prior art, the existing electronic device or the transmission device generally has a connector for transmitting data or for charging, and the connector is an opening provided in the casing of the electronic device or the transmission device and exposed on the casing. To facilitate docking with connectors of other electronic devices or charging devices. However, when the electronic device or the transmission device is in an outdoor, rainy, or high-humidity environment, it is easy to affect the electrical characteristics and the service life due to the infiltration of moisture and liquid in the environment.

Therefore, how to improve the above problems through structural design has become an important issue that this business person wants to solve. Therefore, it is necessary to propose a design that is reasonable in design and effective in improving the above problems.

The purpose of this creation is to provide a waterproof connector that avoids the infiltration of moisture and liquid in the external environment and affects the electrical characteristics and service life of the conventional technology.

In order to achieve the above objectives, the present waterproof connector includes an insulator, a plurality of terminals, a metal inner casing and a waterproof casing. A through groove penetrating vertically is formed at the rear of the insulator. The plurality of terminals are integrally formed on the insulator, and have a holding portion, a contact portion connected to the front end of the holding portion, and a connection portion connected to the rear end of the holding portion. In the welded portion, the through groove of the insulator is opened in the rear portion of the holding portion of the plurality of terminals, and is in front of the welded portion. The metal inner casing is coated and mounted on an insulator body integrally formed with a plurality of terminals. The waterproof casing is integrally formed outside the metal inner casing, and includes a casing portion and a partition portion. The outer casing portion is covered outside the metal inner casing, and the partition portion is integrally formed at the through groove, and the partition portion is filled and effectively seals the insulator inside the metal inner casing. And the assembly gap of the rear end of the holding portion of the plurality of terminals.

As described above, the present waterproof connector is covered by the outer casing of the waterproof casing to ensure that the waterproof function of the waterproof connector is normal. The partition of the waterproof casing is integrally formed at the through groove. The partition portion fills and effectively seals the inner insulation of the inner casing of the metal inner casing and the assembly gap between the plurality of terminals and the inner metal shell, thereby further ensuring the waterproof function inside the waterproof connector is normal, thereby ensuring that the waterproof connector avoids moisture in the external environment. And liquid infiltration affects electrical characteristics and service life.

100‧‧‧Waterproof connector

10‧‧‧Insulator

11‧‧‧Insulation tongue

111‧‧‧ Lower terminal slot

12‧‧‧External insulator

121‧‧‧ base

1211‧‧‧through slot

1212‧‧‧Installation slot

122‧‧‧The body of the tongue

1221‧‧‧Upper terminal slot

1222‧‧‧ slotting

1223‧‧‧ Missing slot

20‧‧‧ terminals

21‧‧‧ lower terminal

211‧‧‧Under the holding department

212‧‧‧Contacts

213‧‧‧Under the welding department

22‧‧‧Upper terminal

221‧‧‧Upholding Department

222‧‧‧Upper contact

223‧‧‧Upper Welder

30‧‧‧ Spacer

31‧‧‧ escaping slot

40‧‧‧Shield

41‧‧‧Upper shield

42‧‧‧ lower shield

50‧‧‧Metal inner shell

51‧‧‧welding feet

52‧‧‧ escaping holes

60‧‧‧Waterproof enclosure

61‧‧‧Shell Department

62‧‧‧Departure

70‧‧‧Dock space

80‧‧‧welding parts

81‧‧‧Connecting Department

82‧‧‧ solder feet

The first picture is a perspective view of the water-repellent connector of the present invention.

The second figure is an exploded perspective view of the present waterproof connector shown in the first figure.

The third figure is an exploded perspective view of the other angle of the present waterproof connector shown in the first figure.

The fourth figure is a cross-sectional perspective view of the present waterproof connector shown in the first figure.

In order to explain in detail the technical contents, structural features, objects and effects achieved by the present invention, the embodiments are described in detail below with reference to the drawings.

Referring to the first to fourth figures, the present waterproof connector 100 includes an insulator 10, a plurality of terminals 20, a spacer 30, a shielding plate 40, a metal inner casing 50, and a waterproof casing 60.

Referring to the first to fourth figures, the insulator 10 includes an insulating tongue 11 and an outer insulator 12. A lower terminal groove 111 is provided on the lower surface of the insulating tongue 11. The outer insulator 12 includes a base 12 1. The central portion of the front surface of the base portion 121 protrudes forward to form a tongue portion 122. The upper surface of the front portion of the tongue portion 122 is provided with an upper terminal groove 1221. The lower surface of the front portion of the tongue portion 122 is provided with a slot 1222. The upper surface of the rear portion of the tongue portion 122, the lower surface and the circumference of the two sides are provided with a slot 1223. . A through groove 1211 penetrating vertically is formed in the base portion 121 of the rear portion of the insulator 10. A mounting groove 1212 is defined in a lower surface of the rear portion of the insulator 12 outside the insulator 10.

Referring to the first to fourth figures, the plurality of terminals 20 are integrally formed on the insulator 10, and include a plurality of lower terminals 21 and a plurality of upper terminals 22 which are both arranged in the lateral direction. Each of the plurality of terminals 20 has a holding portion, a contact portion connected to the front end of the holding portion, and a welded portion connected to the rear end of the holding portion. Specifically, each of the terminals of the plurality of lower terminals 21 has a lower holding portion 211 , a lower contact portion 212 connected to the front end of the lower holding portion 211 , and a lower welded portion 213 connected to the rear end of the lower holding portion 211 . Each of the terminals of the plurality of upper terminals 22 has an upper holding portion 221, an upper contact portion 222 connected to the front end of the upper holding portion 221, and an upper welded portion 223 connected to the rear end of the upper holding portion 221. The through groove 1211 of the insulator 10 is corresponding to the rear portion of the holding portion of the plurality of terminals 20, and is in front of the welded portion.

Referring to the first to fourth figures, the spacers 30 are arranged side by side above the plurality of lower terminals 21, and integrally formed with the plurality of lower terminals 21 in the insulating tongue 11, and the insulating tongues 11 are formed in the slots 1222. The lower contact portion 212 of the lower terminal 21 is exposed in the lower terminal groove 111, and the front portion of the holding portion 211 of the lower terminal 21 is integrally formed on the insulating tongue plate 11. The spacer 30 defines a relief groove 31 corresponding to the through slot 1211 of the insulator 12 other than the insulator 10. The plurality of upper terminals 22 are arranged side by side on the spacer 30, and are integrally formed in the outer insulator 12 together with the insulating tongues 11 integrally formed with the plurality of lower terminals 22 and the spacers 30. The spacer 30 is located between the plurality of upper terminals 22 and the plurality of lower terminals 21. The through groove 1211 is located behind the insulating tongue 11. The upper contact portion 222 of the upper terminal 22 is exposed in the upper terminal groove 1221, and the upper holding portion 221 is integrally formed. In the outer insulator 12, the soldering portion 223 on the plurality of upper terminals 22 and the soldering portions 213 under the plurality of lower terminals 21 protrude from the lower surface of the rear portion of the outer insulator 12 and are exposed in the mounting groove 1212.

Referring to the first to fourth figures, the metal inner casing 50 is overclad and mounted on the outside of the insulator 10 in which the plurality of terminals 20 and the spacers 30 are integrally formed. The front portion of the metal inner casing 50 and the tongue portion 122 of the insulating tongue 11 and the outer insulator 12 enclose a socket space 70. The two sides of the metal inner casing 50 project downwardly from the two soldering legs 51. The top plate of the metal inner casing 50 and the central portion of the rear end of the bottom plate are provided with at least one escape hole 52 corresponding to the through groove 1211.

Referring to the first to fourth figures, the waterproof case 60 is made of silicone. The epoxy resin has the advantages of high and low temperature resistance, good water resistance, high frequency insulation, good radiation resistance, ozone resistance, good fluidity during molding, and slow curing speed. The waterproof casing 60 is integrally formed on the outer metal casing 50. The waterproof casing 60 includes a casing portion 61 and a partition portion 62. The casing portion 61 is wrapped around the metal inner casing 50. The partition portion 62 is integrally formed by the relief hole 52 of the metal inner casing. The through groove 1211 and the escape groove 31 are provided. The partition portion 62 fills and effectively seals the assembly gap between the insulator 10 inside the metal inner casing 50 and the rear end of the retaining portion of the plurality of terminals 20, further ensuring that the waterproof function of the docking space 70 of the waterproof connector 100 is normal. The front end of the waterproof casing 60 has a plurality of sealing rings to ensure the waterproof function between the exterior of the waterproof connector 100 and the electronic product. The upper surface of the waterproof casing 60 has a flat surface, which facilitates process assembly and ensures product stability.

Referring to the first to fourth figures, the shielding plate 40 includes an upper shielding plate 41 and a lower shielding plate 42. The upper shielding plate 41 is fixed on the upper portion and the two sides of the notch 1223 of the outer insulator 12, and the lower shielding plate 42 is fixed to the outer insulator. The lower portion and the two sides of the notch 1223 of the 12 are fixed, and the upper shielding plate 41 and the lower shielding plate 42 are fixed together by snapping. The shield plate 42 under the shield plate 40 abuts against the bottom plate of the metal inner casing 50.

Referring to the first to fourth figures, the present waterproof connector 100 further includes a weldment 80. The soldering member 80 includes a plate-shaped connecting portion 81. Both sides of the connecting portion 81 are vertically bent downward to form a solder fillet 82. The connecting portion 81 of the welded member 80 is welded to the front side of the escape hole 52 of the top plate surface of the metal inner casing 50 by laser spot welding. The two solder fillets 82 extend downward through the waterproof housing 60 to the lower surface of both sides of the waterproof housing 60.

As described above, the present waterproof connector 100 is covered by the outer casing portion 61 of the waterproof casing 60, and the front end of the waterproof casing 60 is sealed in a plurality of rings to ensure the exterior of the waterproof connector 100 and the electronic product. The waterproof function is normal. At the same time, the partition portion 62 of the waterproof casing 60 is integrally formed at the through groove 1211, so that the partition portion 62 can fill and effectively seal the insulator 10 inside the metal inner casing 50 and the rear end of the retaining portion of the plurality of terminals 20 and the metal inner casing 50. The assembly gap between the two further ensures that the waterproof function of the docking space 70 of the waterproof connector 100 is normal, thereby ensuring that the waterproof connector 100 avoids infiltration of moisture and liquid in the external environment, thereby affecting electrical characteristics and service life.

100‧‧‧Waterproof connector

11‧‧‧Insulation tongue

12‧‧‧External insulator

21‧‧‧ lower terminal

22‧‧‧Upper terminal

30‧‧‧ Spacer

41‧‧‧Upper shield

42‧‧‧ lower shield

50‧‧‧Metal inner shell

60‧‧‧Waterproof enclosure

62‧‧‧Departure

80‧‧‧welding parts

Claims (10)

A waterproof connector includes: an insulator, a through slot penetrating vertically at a rear portion of the insulator; a plurality of terminals integrally formed on the insulator, having a retaining portion, a contact portion connected to the front end of the retaining portion, and a soldering portion connected to the rear end of the retaining portion. The through groove of the insulator is corresponding to the rear part of the holding part of the plurality of terminals, the front part of the welding part; the metal inner casing is covered and mounted on the outside of the insulator integrally formed with the plurality of terminals; and the waterproof outer casing is integrally formed outside the metal inner casing, including the outer casing part And the partition portion, the outer casing portion is covered outside the metal inner casing, and the partition portion is integrally formed in the through groove, and the partition portion is filled and effectively seals the assembly gap between the insulator inside the metal inner casing and the rear end of the retaining portion of the plurality of terminals. The waterproof connector of claim 1, wherein the front end of the waterproof casing has a plurality of sealed rings. The waterproof connector according to claim 1, wherein the waterproof casing is made of silicone, and the upper surface of the waterproof casing is a flat surface. The waterproof connector of claim 1, wherein the insulator comprises an insulating tongue and an outer insulator, the outer insulator comprises a base, and a central portion of the front front surface protrudes forward to form a tongue portion, and a front lower surface of the tongue portion The plurality of terminals comprise a plurality of lower terminals and a plurality of upper terminals arranged in a lateral direction; the waterproof connector further comprises a spacer plate, the spacer plates are arranged side by side above the plurality of lower terminals, and are integrally formed with the plurality of lower terminals In the insulating tongue, the insulating tongue is formed in the slot; Arranged above the partition plate, and integrally formed in the outer insulator together with the insulating tongue plate integrally formed with the plurality of lower terminals and the partition plate, the partition plate is located between the plurality of upper terminals and the plurality of lower terminals, and the base of the rear portion of the insulator is opened The through-hole through-groove, the partition plate defines a relief groove corresponding to the through-slot of the insulator outside the insulator, and the through-groove is located behind the insulating tongue. The waterproof connector of claim 4, wherein each of the plurality of terminals has a lower holding portion, a lower contact portion connected to a front end of the lower holding portion, and a lower welded portion connected to a rear end of the lower holding portion. Each terminal of the plurality of upper terminals has an upper holding portion, an upper contact portion connected to the front end of the upper holding portion, and an upper welding portion connected to the rear end of the upper holding portion. The lower surface of the insulating tongue plate is provided with a lower terminal groove, and the front portion of the tongue portion The upper surface is provided with an upper terminal slot, the lower contact portion of the plurality of lower terminals is exposed in the lower terminal slot, and the front portion of the lower holding portion of the lower terminal is integrally formed on the insulating tongue plate, and the contact portion of the plurality of upper terminals is exposed in the upper terminal slot The upper holding portion is integrally formed in the outer insulator. The waterproof connector of claim 5, wherein a lower surface of the rear portion of the insulator is provided with a mounting groove, and the soldering portion on the plurality of upper terminals and the soldering portion under the plurality of lower terminals protrude from the outer insulator The lower surface of the rear portion is exposed to the mounting groove. The waterproof connector according to claim 5, wherein the metal inner casing is coated and mounted on an insulator body integrally formed with a plurality of terminals and a partition plate, and the top plate of the metal inner casing and the central portion of the rear end of the bottom plate correspond to the through groove. At least one avoidance hole is provided. The waterproof connector of claim 7, wherein the metal inner casing has two soldering legs extending downward from both sides of the rear portion, and the waterproof connector further comprises a soldering member. The connecting member comprises a plate-shaped connecting portion, and both sides of the connecting portion are vertically bent downward to form a soldering leg, and the connecting portion of the welding member is welded to the front of the avoiding hole of the top surface of the metal inner shell by laser spot welding. The two soldering legs extend through the waterproof housing downwardly from the lower surface of both sides of the waterproof housing. The waterproof connector of claim 4, wherein the front portion of the metal inner casing and the tongue portion of the insulating tongue and the outer insulator enclose a socket space. The waterproof connector according to claim 4, wherein the upper surface, the lower surface and the two side circumferences of the rear portion of the tongue portion of the outer insulator are provided with a notch, and the waterproof connector further comprises a shielding plate. The shielding plate comprises an upper shielding plate and a lower shielding plate. The upper shielding plate is fixed on the upper part and the two sides of the outer insulating body, and the lower shielding plate is fixed on the lower part and the two sides of the outer insulating body, and the upper shielding plate and the lower shielding plate They are fixed together by means of a snap, and the shielding plate under the shielding plate abuts against the bottom plate of the metal inner casing.