TWI634709B - Plug connector - Google Patents

Abstract

The invention discloses a plug connector, which comprises an insulating body, a conductive terminal held in the insulating body, a metal shell covered on the outside of the insulating body, and a locking component held in the insulating body. The insulative housing includes a main body portion and a tongue plate extending forward from the main body portion. The metal housing is provided with a pressing elastic arm that is elastically abutted on the locking member. Therefore, the locking member and the metal casing are electrically connected to achieve a better grounding effect.

Description

Plug connector

The present invention relates to a plug connector, and more particularly to a plug connector having a latch member.

With the rapid development of electronic products, plug connectors for electronic products are also widely used. For a related art, please refer to a plug connector disclosed in the Chinese Utility Model Publication No. CN202695865U, which comprises an insulative housing, a conductive terminal and a locking member held in the insulating body, and a metal casing covered on the outside of the insulating body. The insulative housing includes a main body portion and a tongue plate extending forward from the main body portion. The locking member is formed in a unitary shape, and comprises a base body and a fastening arm extending forwardly on both sides of the base body. The metal casing is provided with three wires, which are respectively connected to each other to achieve electrical conduction.

However, since the metal casing is not electrically connected to the locking member, the grounding effect of the connector cannot be ensured, and the connector assembly is inconvenient, which is disadvantageous for industrial production.

Therefore, in view of the above technical problems, it is necessary to provide a plug connector having an improved structure to overcome the above drawbacks.

The main object of the present invention is to provide a plug connector that has a good grounding effect and an electromagnetic shielding effect and is easy to assemble.

In order to achieve the above object, the present invention adopts the following technical solution: a plug connector includes an insulating body, a conductive terminal held in the insulating body, a metal case covered on the outside of the insulating body, and a locking member held in the insulating body. The insulative housing includes a main body portion and a tongue plate extending forwardly from the main body portion, the insulative housing is provided with a conductive terminal receiving groove and a locking member receiving groove, and the conductive terminal is received in the conductive terminal receiving groove of the insulating body The latching member is received in the latching receiving slot of the insulative housing, the metal housing includes a body portion and a retaining plate connected to the body portion, the latching member includes a base portion and is vertically connected to the two sides of the base portion The hooking arm extends backwardly on both sides of the retaining plate to provide a pressing elastic arm, and the pressing elastic arm elastically presses the locking component.

Further, the locking member extends rearward from both sides of the base to form an abutted portion, and the pressing elastic arm elastically presses against the abutted portion.

Further, the plug connector further includes a circuit board, and the locking component is further provided with a connecting portion connected to the hook arm, and the connecting portion is electrically connected to the circuit board.

Further, the locking member is further provided with a holding reinforcement portion extending forward from both sides of the base portion, and the two sides of the holding reinforcing portion are provided with a plurality of barbs, and the barbs interfere with the insulating body.

Further, the tongue plate includes a first step portion and a second step portion, the first step portion being higher than the second step portion; the conductive terminal includes a first conductive terminal and a second conductive terminal, the first conductive The terminal is carried on the first step portion of the tongue plate, and the second conductive terminal is carried on the second step portion of the tongue plate.

Further, the first conductive terminal is provided with an elastic first contact portion exposing the first step portion, and the second conductive terminal is provided with a flat second contact portion exposing the second step portion, the first conductive terminal is short The first contact portion is higher than the second contact portion at the second conductive terminal.

Further, the plug connector further includes a circuit board, the first conductive terminal is provided with a first connecting portion, and the second conductive terminal is provided with a second connecting portion, where the first connecting portion and the second connecting portion are respectively Connect to different sides of the board.

Further, the first connecting portion is soldered and fixed to the circuit board, and the second connecting portion is elastically crimped and fixed to the circuit board.

Further, the main body of the insulative housing is provided with a positioning protrusion, and the holding plate of the metal housing is provided with a positioning hole, and the positioning hole and the positioning protrusion are snap-fitted with each other.

Further, the first conductive terminals are provided with five and their arrangement meets the Micro USB standard.

Compared with the prior art, the plug connector of the present invention has at least the following advantages: since the locking member has the abutting portion, the metal housing is provided with the pressing elastic arm, and after the assembly is completed, the elastic pressure of the pressing elastic arm is resisted. The connecting portion, therefore, the locking member and the metal housing are electrically connected to achieve a better grounding effect. At the same time, the plug connector of the present invention is easy to manufacture and is advantageous for mass production.

100‧‧‧ plug connector

1‧‧‧Insulating body

11‧‧‧ Main body

111‧‧‧Positioning bumps

12‧‧ ‧ tongue

121‧‧‧Electrical terminal receiving slot

122‧‧‧Locking box

123‧‧‧First Step

124‧‧‧second step

13‧‧‧Loading and accommodating department

131‧‧‧ card slot

2‧‧‧Electrical terminals

21‧‧‧First conductive terminal

210‧‧‧First contact

220‧‧‧Second contact

211‧‧‧First connection

22‧‧‧Second conductive terminal

221‧‧‧Second connection

3‧‧‧Metal housing

31‧‧‧ Body Department

311‧‧‧

32‧‧‧Retaining plate

321‧‧‧Positioning holes

322‧‧‧Resist the arm

4‧‧‧ boards

41‧‧‧Metal contact piece

5‧‧‧Locks

51‧‧‧ base

52‧‧‧ Holding and strengthening

53‧‧‧Departed Department

54‧‧‧ hook arm

541‧‧‧ hook

55‧‧‧Connecting Department

1 is a perspective assembled view of a plug connector of the present invention; a second view is a perspective view of a plug connector of the present invention; FIG. 3 is an exploded view of the plug connector of the present invention; Another perspective exploded view of the plug connector; the fifth view is a rear view of the plug connector of the present invention; and the sixth view is another perspective view of the plug connector of the first view.

Hereinafter, a specific embodiment of the plug connector 100 of the present invention will be described with reference to the first to sixth figures. The directions involved in this specification are based on the third figure.

Referring to the first to sixth figures, a plug connector 100 mainly includes an insulative housing 1 , a conductive terminal 2 and a latching member 5 held in the insulative housing 1 , and a metal housing 3 covering the insulative housing 1 . And a circuit board 4 in electrical communication with the conductive terminal 2.

Referring to FIG. 3 and FIG. 4 , the insulative housing 1 is made of plastic, and includes a main body portion 11 , a tongue plate 12 extending forward from the main body portion 11 , and a bearing body extending from the main body portion 11 . Part 13. The body portion 11 is substantially block-shaped. The upper side surface of the main body portion 11 is provided with a positioning protrusion 111. The height of the tongue 12 is about one third of the height of the body portion 11. The tongue plate 12 and the main body portion 11 are provided with a plurality of conductive terminal receiving grooves 121 and a locking member receiving groove 122. The conductive terminal receiving groove 121 and the locking member receiving groove 122 pass through the upper surface of the tongue plate 12 to communicate with the outside. The tongue plate 12 has a stepped shape, and is provided with a first step portion 123 and a second step portion 124. The first step portion 123 is higher than the second step portion 124. The carrier receiving portion 13 is configured to receive the holding circuit board 4 . The carrying accommodating portion 13 is provided with a holding groove 131 for stably holding the fixed circuit board 4.

Referring to FIG. 3 to FIG. 6 , the conductive terminal 2 is stamped and formed by a metal plate and received in the conductive terminal receiving groove 121 of the insulative housing 1 , and is divided into first conductive terminals 21 and Two conductive terminals 22. The first conductive terminal 21 is provided with five and its arrangement meets the Micro USB standard, and the second conductive terminal 22 is provided with six. The first conductive terminal 21 is carried on the first step portion 123 of the tongue plate 12 , and the second conductive terminal 22 is carried on the second step portion 124 of the tongue plate 12 . The first conductive terminal 21 is provided with an elastic first contact portion 211 exposing the first step portion 123, and the second conductive terminal 22 is provided with a flat second contact portion 220 exposing the second step portion 124, the first A conductive terminal 21 is shorter than the second conductive terminal 22, and the first contact portion 210 is higher than the second contact portion 220. The first conductive terminal 21 is provided with a vertical first connecting portion 211 for soldering to the circuit board 4 for electrical connection. The second conductive terminal 22 is provided with an elastic second connecting portion 221 to elastically abut the circuit board 4 to achieve electrical connection. Referring to FIG. 5 , the first connecting portion 211 of the first conductive terminal 21 and the second connecting portion 221 of the second conductive terminal 22 are respectively connected to different surfaces of the circuit board 4 to facilitate assembly operations and avoid mutual mutual Signal interference.

Referring to the first to fourth figures, the metal casing 3 is formed by stamping and bending a metal plate, and includes a body portion 31 and a holding plate 32 connected to upper and lower sides of the body portion 31. The body portion 31 is in the shape of a barrel, and a plurality of concave and convex portions 311 are disposed at the front end of the upper surface thereof, and the concave and convex portions 311 are used for holding and fixing the connection. Connector (not shown). The holding plate 32 is provided with a positioning hole 321 , and the positioning hole 321 and the positioning protrusion 111 of the insulating body are engaged with each other to achieve stable holding of the metal shell 3 and the insulating body 1 . The pressing arm 322 is elastically pressed against the locking member 5 to realize the electrical connection between the metal housing 3 and the locking member 5 .

The circuit board 4 is a double-sided circuit board, and corresponding to the conductive terminal 2 and the locking member 5, a plurality of metal contact pieces 41 are provided to realize electrical connection of the components.

Referring to FIG. 2 to FIG. 6 , the locking member 5 includes a base portion 51 , a holding reinforcing portion 52 extending forward from the base portion 51 , and abutted portion 53 formed by bending backward from both sides of the base portion 51 . The hook arm 54 is perpendicularly connected to both side edges of the base portion 51 and the connecting portion 55 connected to the lower side edge of the hook arm 54. The latching member 5 is inserted into the latching receiving slot 122 of the insulative housing 1 from the rear to the front. The two sides of the holding reinforcement portion 52 are provided with a plurality of barbs to interfere with the insulating body 1 to achieve a stable fit between the locking member 5 and the insulating body 1. After the assembly is completed, the pressing elastic arm 322 of the metal housing 3 is elastically pressed against the abutted portion 53 of the locking member 5 to electrically connect the metal housing 3 and the locking member 5. The front end of the hook arm 54 is provided with a hook 541. The hook 541 passes through the metal shell 3 to buckle the mating connector to ensure a stable connection between the plug connector 100 and the mating connector. The connecting portion 55 is soldered to the circuit board 4 to electrically connect the locking member 5 to the circuit board 4.

Since the locking member 5 has the abutting portion 53, the metal housing 3 is provided with the pressing elastic arm 322. After the assembly is completed, the pressing elastic arm 322 elastically presses against the abutted portion 53, and thus, the locking member 5 and the metal The housing 3 is electrically connected to achieve a better grounding effect. At the same time, the plug connector 100 of the present invention is easy to manufacture and is advantageous for mass production.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto. Equivalent modifications or variations made by those skilled in the art in the spirit of the present invention are still included in the scope of the appended claims.

Claims (10)

A plug connector includes an insulating body, a conductive terminal held in the insulating body, a metal case covered on the outside of the insulating body, and a locking member held in the insulating body, the insulating body including a main body portion and the main body portion a tongue plate formed by extending forwardly, the insulating body is provided with a conductive terminal receiving groove and a locking member receiving groove, and the locking member receiving groove penetrates the main body portion backward from the tongue plate, and the conductive terminal is received in the In the conductive terminal receiving slot of the insulative housing, the latching member is received in the latching receiving slot of the insulative housing, the metal housing includes a body portion and a retaining plate connected to the body portion, the latching member includes a base portion and The hook arm that is vertically connected to the two sides of the base and extends forwardly and upwardly is characterized in that: the two sides of the retaining plate extend rearwardly to provide a pressing elastic arm, and the pressing elastic arm elastically resists the lock The upper end of the fastener. The plug connector of claim 1, wherein the latching member extends rearward from both sides of the base to form an abutted portion, and the pressing elastic arm elastically presses against the upper end surface of the abutted portion. The plug connector of claim 1, wherein the plug connector further comprises a circuit board, the latching member further comprising a connecting portion connected to the hook arm, the connecting portion being electrically connected to Circuit board. The plug connector of claim 1, wherein the latching member further has a retaining reinforcement portion extending forwardly from both sides of the base portion, and the plurality of barbs are disposed on both sides of the retaining reinforcing portion. The barb is interference fit with the insulating body. The plug connector of claim 1, wherein the tongue plate comprises a first step portion and a second step portion, the first step portion being higher than the second step portion, the conductive terminal comprising the first a conductive terminal and a second conductive terminal, wherein the first conductive terminal is carried on a first step portion of the tongue plate, and the second conductive terminal is carried on a second step portion of the tongue plate. The plug connector of claim 5, wherein the first conductive terminal is provided with an elastic first contact portion exposing the first step portion, and the second conductive terminal is provided with a flat plate exposing the second step portion a second contact portion, the first conductive terminal is shorter than the second conductive terminal, and the first contact portion is higher than the second contact portion. The plug connector of claim 6, wherein the plug connector further comprises a circuit board, the first conductive terminal is provided with a first connecting portion, and the second conductive terminal is provided with a second connecting portion The first connecting portion and the second connecting portion are respectively connected to different faces of the circuit board. The plug connector of claim 7, wherein the first connecting portion is soldered and fixed to the circuit board, and the second connecting portion is elastically crimped and fixed to the circuit board. The plug connector of any one of claims 5 to 8, wherein the first conductive terminal is provided with five and the arrangement thereof satisfies the Micro USB standard. The plug connector according to any one of claims 1 to 8, wherein a plurality of concave and convex portions are provided at a front end of the metal casing, and the concave and convex portions are fixed to the mating connector card.