CN107196114B

CN107196114B - USB Type-C connector

Info

Publication number: CN107196114B
Application number: CN201710430203.8A
Authority: CN
Inventors: 何龙; 范建峰
Original assignee: Qidong Qianshuo Electronic Co Ltd
Current assignee: Qidong Qianshuo Electronic Co Ltd
Priority date: 2017-06-08
Filing date: 2017-06-08
Publication date: 2023-04-07
Anticipated expiration: 2037-06-08
Also published as: CN107196114A

Abstract

The invention relates to a USB Type-C connector, which comprises a ceramic support body, an insulator, a conductor element and a metal shell covering the support body, wherein the metal shell is provided with a plug hole, the insulator is provided with a butt-joint plate which protrudes forwards into the plug hole, the conductor element is provided with a contact part arranged on the upper surface and the lower surface of the butt-joint plate and a connecting pin extending out of the insulator, the support body comprises a main body part, two arm parts which protrude forwards into the plug hole from the main body part and a cross arm which is connected with the front ends of the two arm parts, the cross arm is provided with a front surface, the USB Type-C connector also comprises a plastic part fixed on the cross arm, and the plastic part covers the front surface of the cross arm and is used for abutting against the USB plug connector, so that the fracture of the cross arm is avoided, the application function of the USB Type-C connector is ensured, and the service life of the USB Type-C connector is prolonged.

Description

USB Type-C connector

Technical Field

The invention relates to a USB Type-C connector, in particular to a USB Type-C connector made of ceramic materials.

Background

With the rapid development of science and technology in the electronic industry, the volume of electronic products is developed along with the trend of being thinner, thinner and shorter, which requires the components of the electronic products to be smaller and smaller, and the connector is the first place to come. This results in better mechanical performance requirements and higher product design difficulties due to the smaller size requirements of the new generation of USB Type-C connectors. In order to face thinner and thinner equipment and ensure the reliability of a product structure, various manufacturers have proposed corresponding structural designs.

The prior art related to the present case can refer to the utility model discloses a USBType-C connector that utility model patent publication No. CN205944560U reveals, it includes ceramic support body, terminal module and metal casing, the support body includes main part and the tongue board that stretches from the main part to the protrusion, the upper and lower surface of tongue board is equipped with the recess, the terminal module sets up to two, each terminal module includes conductor element and the insulating block of injection moulding on conductor element, conductor element has the contact site of stretching out the insulating block forward, the contact site is acceptd in corresponding the recess one by one, because the tongue board adopts pottery, ceramic toughness is poor, when with the butt joint, especially when inserting to one side, the tongue board receives the butt joint connector to support the back, easy emergence fracture, the application function and the life of USB Type-C connector have been influenced.

Therefore, it is necessary to design a new USB Type-C connector to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a USB Type-C connector capable of preventing a support body from being broken.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a USBType-C connector to peg graft with USB plug connector, this USBType-C connector includes ceramic support body, insulator, conductor element and the metal casing of cladding support body, the metal casing is equipped with the spliced eye, the insulator is equipped with the protruding butt plate that goes into the spliced eye that stretches into forward, the conductor element has the contact site of arranging on the upper and lower surface of butt plate and the connection foot that extends, its characterized in that: the supporting body comprises a main body part, two arm parts which protrude forwards from the main body part into the plug-in hole and are spaced from each other at left and right, a cross arm connected with the front end of at least one arm part, a front accommodating space is formed between the two arm parts and the cross arm, the butt-joint plate is positioned in the front accommodating space, the cross arm is provided with a front surface, the insulator further comprises a plastic part fixed on the cross arm, and the plastic part coats the front surface of the cross arm to abut against the USB plug connector.

According to the USB Type-C connector, the plastic piece has good toughness, the ceramic support body has good hardness, when the USB Type-C connector is in butt joint with the USB plug connector, the ceramic support body can lock the plug connector, the USB plug connector is directly abutted against the plastic piece, even if the USB plug connector is inserted in an abnormal inclined mode, the toughness of the plastic piece can prevent the butt joint plate from being broken, the application function of the USB Type-C connector is improved, and the service life is prolonged.

Drawings

Fig. 1 is a perspective view of a USB Type-C connector according to embodiment 1 of the present invention.

Fig. 2 is a perspective view of another USB Type-C connector according to embodiment 1 of the present invention.

Fig. 3 is an exploded perspective view of the USB Type-C connector according to embodiment 1 of the present invention.

Fig. 4 is a perspective view illustrating the support body of the USB Type-C connector according to embodiment 1 of the present invention engaged with the first insulator.

Fig. 5 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A of fig. 4.

Fig. 6 is an exploded perspective view of the support body shown in fig. 4 separated from the first insulator.

Fig. 7 is a perspective view of a USB Type-C connector support according to embodiment 2 of the present invention.

Fig. 8 is a sectional view taken along the direction B-B of fig. 7.

FIG. 9 is an exploded perspective view of the USB Type-C connector of FIG. 7.

Fig. 10 is a perspective view of the interposer circuit board of fig. 7.

Fig. 11 is an exploded perspective view of fig. 10.

Detailed Description

Embodiment 1:

referring to fig. 1 to 6, a USB Type-C connector 100 according to a first embodiment of the present invention is configured to be mounted on a motherboard for a USB plug connector (not shown) to be plugged, the USB plug connector having a metal locking tab, the USB Type-C connector 100 includes a ceramic support 10 made of a ceramic material,

insulators

21 and 22, two sets of conductor elements 30, and a metal shell 40.

The support body 10 includes a main body 11, two arms 12 extending forward from the main body 11 and spaced apart from each other in the left-right direction, and a crossbar 13 connecting the front ends of at least one of the arms 12, and in the present embodiment, the crossbar is connected between a pair of the arms, a front receiving space 14 is formed between the arms 12 and the crossbar 13, and the main body 11 is provided with a rear receiving space 15 penetrating in the front-rear direction. The outer side surfaces of the two arm portions 12 are provided with a locking groove 121 and a protrusion 122 located in front of the locking groove 121, and the locking groove 121 is used for matching with a locking piece of the USB plug connector to lock the USB plug connector and the USB Type-C connector 100 together.

The

insulators

21 and 22 include a first insulator 21 and a second insulator 22, the first insulator 21 is injection molded on the supporting body 10, and includes a base 23 and a butt plate 24 protruding forward from the base 23, the butt plate 24 is located in the front receiving space 14, the butt plate 24, the arm 12 and the cross arm 13 of the supporting body 10 form a tongue plate, and the base 23 is located in the rear receiving space 15. The upper and lower surfaces of the docking plate 24 are respectively concavely provided with a plurality of receiving grooves 241 spaced apart from each other in the left-right direction, and the base portion 23 is provided with fixing grooves 231 penetrating the base portion 23 in the front-rear direction and communicating with the receiving grooves 241 one by one.

The second insulator 22 is injection molded on the conductor element 30 to define the terminal module 220, the terminal module 220 is assembled on the supporting body 10 and the first insulator 21, the front end of the second insulator 22 is located in the rear receiving space 15, and the rear end of the second insulator 22 protrudes rearward from the supporting body 10.

The conductor element 30 includes a contact portion 31 extending forward from the second insulator 22 and a connecting leg 32 extending from a lower surface of the second insulator 22, and the contact portion 31 of the conductor element 30 is inserted forward into the fixing groove 231 and the receiving groove 241. The conductor elements 30 are arranged into two groups, wherein the contact portions 31 of one group of conductor elements 30 are located on the upper surface of the butt plate 24, the connecting pins 32 are horizontal sheet bodies and are arranged in a row along the left-right direction for being welded on the upper surface of the mainboard, the contact portions 31 of the other group of conductor elements 30 are located on the lower surface of the butt plate 24, and the connecting pins 32 are vertical sheet bodies and are arranged in a front-back two rows along the left-right direction and are located in front of the connecting pins 32 of the group of conductor elements 30 for being welded in the welding holes of the mainboard.

The support 10 is assembled forward in the metal shell 40, and the metal shell 40 is a two-piece structure including an inner shell 41 and an outer shell 42 sleeved outside the inner shell 41, providing a double-layer shielding function.

The inner shell 41 is provided with a plug hole 45 for plugging a USB plug connector, the butt plate 24, the arm 12 of the support 10 and the cross arm 13 form a tongue plate positioned in the plug hole 45, the conductor element 30 is exposed in the plug hole 40 for contacting the USB plug connector, and the ceramic has stronger wear resistance, so that even if the ceramic is plugged and pulled for a long time, the wear is relatively small, the service life of the whole USB Type-C connector is prolonged, and the combination stability of the USB Type-C connector 100 and the USB plug connector can be realized without arranging a metal spacer.

The left and right sides of the outer housing 42 are provided with fixing pins 46 bent and extended downward for fixing the USB Type-C connector 100 to the motherboard.

Embodiment 2:

referring to fig. 7 to 11, a USB Type-C connector 100 according to a second embodiment of the present invention is provided, and the supporting body is the same as the first embodiment, except that the circuit board 70 of the present embodiment replaces the aforementioned butting board and conductor element, i.e., the conductor element is a metal finger 71, and the plastic member 60 is a single element, i.e., the plastic member 60 is integrally formed on the cross arm 53 of the supporting body 50, the cross arm 53 is configured as a square strip, and includes a front surface 531, a rear surface 532, an upper surface 533 and a lower surface 534 connected to each other, the arm 52 protrudes forward from the front surface 531, the rear surface 532 is located in the front receiving space 54, the upper surface 523 is lower than the upper surface of the arm 52, the lower surface 534 is higher than the lower surface 522 of the arm 52, and the front end of the circuit board abuts against the plastic member, so that the combination effect and the sealing effect of the circuit board and the ceramic supporting body can be improved, that the combination gap and the fit between the circuit board and the ceramic supporting body can be realized, and the unstable combination effect of the circuit board and the ceramic supporting body can be prevented, which affects the signal transmission of the butting connector.

The plastic member 60 is wrapped around the front surface 531, the rear surface 532, the upper surface 533 and the lower surface 534 of the cross arm 53, the plastic member 60 and the front end surface of the arm 52 are coplanar, the rear surface 532 is located in the front receiving space 54, the left and right ends of the plastic member 60 are coupled to the arm 52, the rear end is coupled to the abutting plate 24 of the first insulator 21, and the rear end is located in front of the contact portion 31 of the conductor element 30.

When the USB Type-C connector 100 is butted with the USB plug connector, the plastic part 60 has good toughness, and the USB plug connector is directly abutted against the plastic part 60, so that the plastic part 60 cannot be broken even if the USB plug connector is abnormally obliquely inserted, the support body 50 is prevented from being broken, the application function of the USB Type-C connector 100 is ensured, and the service life is prolonged. Meanwhile, since the plastic part 60 has flexibility, when the plastic part 60 is integrally formed, the size of the plastic part 60 is easily controlled, and when the circuit board 70 is inserted into the front receiving space, the circuit board 70 and the plastic part 60 are conveniently combined, and a sealing structure is formed.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.

Claims

1. The utility model provides a USBType-C connector to peg graft with USB plug connector, this USBType-C connector includes ceramic support body, insulator, conductor component and the metal casing of cladding support body, metal casing is equipped with the spliced eye, the insulator is equipped with the protruding butt plate that goes into the spliced eye that stretches into forward, the conductor component has the contact site of arranging on the butt plate upper and lower surface and the connection foot of extension, its characterized in that: the supporting body comprises a main body part, two arm parts which protrude forwards from the main body part into the plug-in hole and are spaced from each other left and right, and a cross arm connected with the front end of at least one arm part, a front accommodating space is formed between the two arm parts and the cross arm, the butt-joint plate is positioned in the front accommodating space, the cross arm is provided with a front surface, the insulator further comprises a plastic part fixed on the cross arm, and the plastic part coats the front surface of the cross arm and is abutted to the USB plug connector; the cross arm has a front surface, a rear surface, an upper surface and a lower surface; the plastic part is injection molded on the cross arm and covers the front surface, the rear surface, the upper surface and the lower surface of the cross arm, the rear surface is positioned in the front accommodating space, and the butt joint plate and the conductor element are formed by circuit boards; when the circuit board is inserted into the front accommodating space, the circuit board is combined with the plastic part.

2. The USB Type-C connector of claim 1, wherein: the arm portion has an outer side surface provided with a latch recess and a projection in front of the latch recess.

3. The USB Type-C connector of claim 1, wherein: the two arm parts protrude forwards from the cross arm, and the plastic part and the front end faces of the arm parts tend to be coplanar.

4. The USB Type-C connector of claim 1, wherein: the upper surface of the cross arm is lower than the upper surfaces of the arm parts, the lower surface of the cross arm is higher than the lower surfaces of the arm parts, and the plastic part covers the upper surface and the lower surface of the cross arm.

5. The USB Type-C connector of any of claims 1-4, wherein: the left and right ends of the plastic part are combined with the arm parts.

6. The USB Type-C connector according to any one of claims 1 to 4, wherein: the circuit board is inserted into the front accommodating space, and the conductor element is a metal finger on the circuit board.