CN109411951B

CN109411951B - Plug and connector assembly

Info

Publication number: CN109411951B
Application number: CN201811253007.9A
Authority: CN
Inventors: 李铁生; 金龙; 陈琼南; 曾照龙
Original assignee: Dongguan Luxshare Technology Co Ltd
Current assignee: Dongguan Luxshare Technology Co Ltd
Priority date: 2018-10-25
Filing date: 2018-10-25
Publication date: 2022-02-01
Anticipated expiration: 2038-10-25
Also published as: CN109411951A

Abstract

The invention relates to the technical field of connectors and discloses a plug and a connector assembly. When the plug is inserted into the socket, the guide wall has a limiting and guiding effect and is matched with the notch of the metal shell on the socket, so that the plug cannot shake up and down or left and right in the process of being inserted into the socket, the contact part of the conductive terminal can be effectively prevented from being collapsed on the top of the circuit board, and the risk of collapsing PIN is reduced.

Description

Plug and connector assembly

Technical Field

The invention relates to the technical field of connectors, in particular to a plug and a connector assembly.

Background

In the field of electronic products such as smart televisions and 3C electronic products, various connectors are often required to connect two electronic devices, and generally, a connector includes a plug and a socket matched with the plug, and the plug and the socket are inserted to realize electrical conduction of the two electronic devices.

The plug comprises a circuit board, an insulating body and a cable, the circuit board comprises a plug end protruding out of the insulating body, and metal contact fingers connected with the cable are arranged on the upper surface and the lower surface of the plug end.

The socket comprises an insulating base body, a plurality of conductive terminals accommodated in the insulating base body and a metal shell wrapping the insulating base body, wherein the insulating base body is provided with a slot which is in plug fit with the plug-in end, and the contact parts of the conductive terminals are arranged on the upper side wall and the lower side wall of the slot. The plug end is inserted into the slot, and the metal contact finger is connected with the conductive terminal in an abutting mode, so that the plug is connected with the socket.

However, when the electrical appliance has limited installation space for the connector and the plug is made to be very short in size, the cable is easy to bend and deform, and when the plug is plugged, the plug is easy to insert obliquely, so that the contact part of the conductive terminal is broken by the top of the circuit board, and the risk of PIN collapse exists.

Therefore, a plug and connector assembly is needed to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a plug and a connector assembly, which can reduce the risk of PIN collapse.

To achieve this, the present invention employs:

the first technical scheme is as follows: the utility model provides a plug, its includes insulator and supports the circuit board on insulator, edge body include the main part and connect in the butt joint portion of main part one end, the circuit board has the portion of inserting that stretches out butt joint portion forward, be provided with in the butt joint portion and be located the guide wall in the circuit board outside, when plug and socket are pegged graft, the guide wall can restrict the plug is rocked from top to bottom or left and right sides.

Preferably, the guide wall tends to be aligned with the front end of the abutting portion.

Preferably, the insulating body extends from the main body part to the abutting part to form a first baffle plate and a second baffle plate, a first limit groove is formed between the first baffle plate and the abutting part, and a second limit groove is formed between the second baffle plate and the abutting part;

the first baffle plate is positioned on the left side or the right side of the butt joint part, the second baffle plate is positioned on the upper side or the lower side of the butt joint part, and the guide wall is connected with the first baffle plate or the second baffle plate and the butt joint part and positioned in the first limiting groove or the second limiting groove.

Preferably, the guide walls include a first guide wall and a second guide wall;

the number of the first baffle plates is two, the first baffle plates are respectively positioned at the left side and the right side of the butt joint part, and at least one first baffle plate is connected with the butt joint part through the first guide wall.

Preferably, the width of the first guide wall is smaller than the thickness of the abutting portion, and edges of the first baffle and the second baffle which are close to each other are disconnected from each other.

Preferably, the number of the second blocking plates is two, and at least one of the second blocking plates is connected with the butting part through the second guide wall.

Preferably, the first baffle and the second baffle protrude from the abutting portion or the circuit board towards one end far away from the main body portion.

Preferably, two of the second baffles are respectively positioned at the left and right sides of the butt joint portion, and at most one of the first baffles is connected with the second baffle close to the first baffle.

The second technical scheme is as follows: a connector assembly comprising a socket and a plug as described above;

the socket comprises an insulating base body, conductive terminals accommodated in the insulating base body and a metal shell covering the insulating base body, wherein one end of the metal shell protrudes out of the insulating base body and is provided with a plug-in groove for the insertion of the butt joint part, and the metal shell is provided with a notch for the insertion of the guide wall.

Preferably, a metal locking piece is arranged on the abutting part (112), and the metal shell can be buckled with the locking piece to fixedly connect the plug and the socket.

The invention has the beneficial effects that: when the plug is inserted into the socket, the guide wall has a limiting and guiding effect and is matched with the notch of the metal shell on the socket, so that the plug cannot shake up and down or left and right in the process of being inserted into the socket, the contact part of the conductive terminal can be effectively prevented from being collapsed on the top of the circuit board, and the risk of collapsing PIN is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a connector according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a plug according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a plug according to an embodiment of the present invention (excluding a first shutter);

fig. 4 is a schematic structural diagram of a plug provided in the first embodiment of the present invention (not including two second shutters);

fig. 5 is a schematic structural diagram of a socket according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a socket according to an embodiment of the present invention (excluding a metal shell);

fig. 7 is a schematic structural diagram of a plug according to a second embodiment of the present invention;

fig. 8 is a schematic structural diagram of a plug (not including a circuit board) according to a second embodiment of the present invention.

In the figure: 1. a plug; 11. an insulating body; 12. a cable; 13. a circuit board; 14. a locking piece;

111. a main body portion; 112. a docking portion; 113. a first baffle plate; 114. a second baffle; 115. a first guide wall; 116. a second guide wall; 117. a limiting block; 118. a groove;

2. a socket; 21. an insulating base body; 211. a slot; 22. a conductive terminal; 221. a contact portion; 23. a metal housing; 231. a first notch; 232. a second notch.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 6, the present embodiment discloses a plug and connector assembly. The connector assembly comprises a plug 1 and a socket 2 which are in plug-in fit with each other.

As shown in fig. 2 to 4, the plug 1 includes an insulating body 11, a cable 12, a circuit board 13 supported on the insulating body 11, and a metallic locking piece 14. The insulation body 11 comprises a main body part 111 and a butt joint part 112 connected to one end of the main body part 111, an insertion groove for inserting the circuit board 13 is formed in the insulation body 11, the insulation body 11 is horizontally placed, the front end of the circuit board 13 protrudes out of the butt joint part 112 to form the insertion part of the plug 1, metal contact fingers are arranged on the upper surface and the lower surface of the insertion part, and the rear end of the circuit board 13 is electrically connected with the cable 12.

A guide wall is formed extending from the main body 111 toward the abutting portion 112, and the guide wall tends to be aligned with the front end of the abutting portion 112. The guide walls include a first guide wall 115 located at the left or right side of the docking portion 112 and a second guide wall 116 located at the upper or lower side of the docking portion 112. A first baffle 113 and a second baffle 114 are provided extending from the body 111 to the mating portion 112 and protruding from the circuit board 13 at the front end. The front ends of the first shutter 113 and the second shutter 114 tend to be aligned. In other embodiments, the first baffle 113 and the second baffle 114 may be disposed to protrude from the docking portion 112, and need not protrude from the circuit board 13. The portion protruding out of the circuit board facilitates guiding the plug 1 so that the plug and the socket can be aligned when the insertion portion of the plug 1 does not contact the socket.

The first shutter 113 is located at the left or right side of the docking portion 112. Preferably, the number of the first baffles 113 in this embodiment is two, the first baffles are respectively located at the left and right sides of the abutting portion 112, and a first limit groove is formed with the side wall of the abutting portion 112. The first baffle 113 is connected to the abutting portion 112 through a first guide wall 115, the first guide wall 115 is located in the first limiting groove, and the width of the first guide wall 115 is smaller than the thickness of the abutting portion 112, that is, smaller than the width of the sidewall of the abutting portion 112. The first guide wall 115 is provided centrally above and below the abutting portion 112. A groove 118 is formed in the inner wall of the first limiting groove, the groove 118 is arranged on the inner wall of the first baffle 113 and the side wall of the abutting portion 112 in a penetrating manner from front to back, and two grooves 118 are formed in the inner wall of the first baffle 113 and the side wall of the abutting portion 112 at intervals in parallel.

The second baffles 114 are located on the upper side or the lower side of the abutting portion 112, preferably, the number of the second baffles 116 is two in the embodiment, the second baffles 114 of the two baffles are located on the upper side of the abutting portion 112, and a second limiting groove is formed between the second baffles and the abutting portion 112. The second blocking plate 114 is connected to the abutting portion 112 through a second guide wall 116, the width of the second guide wall 116 is smaller than that of the second blocking plate 114, and the second guide wall 116 is disposed centrally with respect to the second blocking plate 114. The insulating body 11 is injection molded on the circuit board 13. The inner wall of the second limiting groove is also provided with a groove 118, and the groove 118 is arranged on the upper wall of the abutting part 112 in a penetrating manner.

In this embodiment, the second baffles 114 of the two baffles are located at the left and right sides close to the first baffle 113, and the first baffle 113 and the second baffle 114 close to the first baffle 113 are staggered up and down and left and right, and the edges close to each other are disconnected. In other embodiments, the first baffle 113 and the second baffle 114 of one baffle may be arranged to be offset up and down and left and right, and the first baffle 113 and the second baffle 114 of the other baffle may be connected to each other.

As shown in fig. 5 and 6, the socket 2 includes an insulating housing 21, conductive terminals 22 accommodated in the insulating housing 21, and a metal shell 23 covering the insulating housing 21. The insulating base 21 is provided with a slot 211 for inserting the insertion part of the plug 1, the conductive terminal 22 is provided with a contact part 221 extending into the slot 211, the conductive terminal 22 and the metal contact finger of the plug 1 are arranged in a one-to-one correspondence manner, and one end of the conductive terminal 22 not extending into the slot 211 is connected with a circuit board of an electronic device connected with the socket 2. After the plug 1 is inserted into the socket 2, the metal contact fingers are abutted against the contact portions 221, so that the plug 1 and the socket 2 are conducted with each other.

The metal shell 23 includes an upper wall, a lower wall and two side walls covering the insulating base 21, the upper wall, the lower wall and the two side walls all protrude forward from the insulating base 21, the protruding portion encloses to form a plugging slot for inserting the butt-joint portion 112 of the plug 1, the metal shell 23 is provided with a notch for inserting the guide wall, specifically, the upper wall is provided with a second notch 232 matched with the second guide wall 116, the side walls are provided with first notches 231 matched with the first guide wall 115, after the plug 1 is plugged with the socket 2, the butt-joint portion 112 of the plug 1 is located in the plugging slot, the first notches 231 are clamped on the first guide wall 115, and the second notches 232 are clamped on the second guide wall 116.

The locking tab 14 includes an elastic tab and a pressing tab connected to each other, the front end of the elastic tab is fixed to the upper surface of the abutting portion 112, and the rest of the elastic tab and the pressing tab are suspended. Be provided with two joint archs on the elastic sheet, be provided with two on the metal casing 23 with the protruding matched with joint groove of joint, after plug 1 inserted socket 2, the protruding joint of joint in the joint inslot, when plug 1 was extracted to needs, the pressing sheet that downwards pressed lock catch piece 14 made the joint arch deviate from the joint groove, then extracted plug 1.

When the plug 1 is inserted into the socket 2, the portions of the first and

second shutters

113 and 114 protruding from the mating portion 112 have an alignment guide function, so that the plug 1 is aligned with the socket 2. The first guide wall 115 and the second guide wall 116 have limiting and guiding functions in the process of inserting the plug 1 into the socket 2, and are matched with the first notch 231 and the second notch 232 of the metal shell 23 on the socket 2, so that the plug 1 cannot shake up and down, left and right in the process of inserting into the socket 2; the plug 1 can be effectively prevented from being obliquely inserted, so that the circuit board 13 is prevented from collapsing the contact part 221 of the conductive terminal 22, and the risk of collapsing PIN is reduced. Further, the first guide wall 115 can increase the coupling strength of the first barrier 113, and the second guide wall 116 can increase the coupling strength of the second barrier 114.

Example two

As shown in fig. 7 and 8, the present embodiment discloses a connector assembly including a header 1 and a receptacle 2. The structure of the plug 1 is substantially the same as that of the plug 1 in the first embodiment, except that the first baffle 113 and the abutting portion 112 of one of the baffles are not connected by the first guide wall 115, but are spaced from each other to form a side limiting slot which vertically penetrates through the insulating body 11, and the main body 111 extends forward in the side limiting slot to form a limiting block 117. The second baffle 114 and the abutting portion 112 of the baffle are not connected by the second guide wall 116, but are spaced from each other to form upper limit grooves penetrating the insulating body 11 in the left and right directions.

The metal shell 23 of the socket 2 is not provided with the first notch 231 and the second notch 232 at the positions corresponding to the baffle, but is provided with the limit notches at the positions corresponding to the limit blocks 117. The side and upper limiting grooves of the receptacle 2 have a guiding effect on the metal shell 23.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A plug comprising an insulative housing (11), and a circuit board (13) supported on the insulative housing (11), the insulative housing (11) including a main body portion (111) and a mating portion (112) connected to one end of the main body portion (111), the circuit board (13) having an insertion portion projecting forwardly of the mating portion (112), characterized in that a guide wall is provided on the mating portion (112) outside the circuit board (13), the guide wall being aligned with a front end of the mating portion (112);

a first baffle plate (113) and a second baffle plate (114) extend from the main body part (111) to the direction of the butt joint part (112) of the insulating body (11), the first baffle plate (113) is positioned on the left side and/or the right side of the butt joint part (112), the second baffle plate (114) is positioned on the upper side and/or the lower side of the butt joint part (112), a first limiting groove is formed between the first baffle plate (113) and the butt joint part (112), and a second limiting groove is formed between the second baffle plate (114) and the butt joint part (112);

the guide walls comprise a first guide wall (115) positioned in the first limiting groove and a second guide wall (116) positioned in the second limiting groove, the first guide wall (115) is integrally connected with the butt joint part (112) and at least one first baffle (113), the second guide wall (116) is integrally connected with the butt joint part (112) and at least one second baffle (114), and the first guide wall (115) and the second guide wall (116) have limiting and guiding functions, so that the plug cannot shake up and down and left and right in the process of being inserted into the socket;

the first baffle (113) and the second baffle (114) protrude forward from the insertion portion.

2. The plug of claim 1, wherein the number of the first shutters (113) is two, and the two first shutters (113) are respectively located at left and right sides of the abutting portion (112), and both the first shutters (113) and the abutting portion (112) are integrally connected through the first guide wall (115).

3. The plug of claim 2, wherein the width of the first guide wall (115) is smaller than the thickness of the abutting portion (112), and edges of the first shutter (113) and the second shutter (114) adjacent to each other are disconnected from each other; the first baffle (113) and the second baffle (114) close to the first baffle (113) are arranged in a vertically and horizontally staggered manner.

4. The plug of claim 1, wherein the number of the second shutters (114) is two, and each of the two second shutters is located above the abutting portion (112), and both of the second shutters (114) and the abutting portion (112) are integrally connected by the second guide wall (116).

5. The plug of claim 1, wherein the first shutter (113) and the second shutter (114) are provided protruding from the mating portion (112) or the circuit board (13) toward an end away from the main body portion (111).

6. The plug of claim 4, wherein two of the second shutters (114) are respectively located at left and right sides of the abutting portion (112), and at most one of the first shutters (113) is connected to the second shutter (114) adjacent to the first shutter (113).

7. Connector assembly, characterized in that it comprises a socket (2) and a plug according to any one of claims 1-6;

the socket (2) comprises an insulating base body (21), conductive terminals (22) accommodated in the insulating base body (21) and a metal shell (23) covering the insulating base body (21), wherein one end of the metal shell (23) protrudes out of the insulating base body (21) to form a plug-in groove for the butt joint part (112) to be inserted into, and a notch for the guide wall to be inserted into is formed in the metal shell (23).

8. The connector assembly according to claim 7, wherein the mating portion (112) is provided with a metal locking piece (14), and the metal shell (23) can be buckled with the locking piece (14) to fixedly connect the plug and the socket (2).