CN209880872U

CN209880872U - Electrical connector

Info

Publication number: CN209880872U
Application number: CN201920734178.7U
Authority: CN
Inventors: 容志强; 苟亚娟; 梁丽丽
Original assignee: Fanjia Electronics (Suzhou) Co Ltd
Current assignee: Fanjia Electronics (Suzhou) Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2019-12-31
Anticipated expiration: 2029-05-21

Abstract

The utility model provides a plug connector and electric connector component who has aforementioned plug connector. The plug connector comprises a plug socket and a flexible circuit board assembly matched with the plug socket. The plug socket is provided with a base part and a plug part extending forwards from the base part, the base part and the plug part are provided with a fixing cavity in a penetrating mode along the front-back direction, and the plug part is provided with an opening part and limiting parts, wherein the opening part is communicated with one side of the fixing cavity and the outside along the thickness direction of the opening part, and the limiting parts are formed on two sides of the opening part. The flexible circuit board assembly is provided with a flexible circuit board and a reinforcing plate arranged on the flexible circuit board, and the flexible circuit board is provided with a plug-in section positioned at one end and an extension section connected with the plug-in section. The reinforcing plate set up in the grafting section, one side that the grafting section deviates from the reinforcing plate is provided with the golden finger. The inserting section penetrates through the fixed cavity, the golden finger of the inserting section is exposed outwards from the opening part, and the limiting parts on two sides of the opening part limit the inserting section in the thickness direction of the inserting part.

Description

Electrical connector

Technical Field

The utility model relates to an electricity field of connecting especially relates to a plug connector and electric connector component of conveniently pegging graft.

Background

With the rapid development of the electronic industry, electrical connectors have been widely used as a connecting device for transmitting digital signals, audio signals, image signals, and the like. An electrical connector generally includes a housing and a plurality of conductive terminals secured to the housing. The configuration of the conductive terminals of the electrical connector varies according to different applications. The common conductive terminals are provided with solder tails for soldering with the circuit board. However, when the number of the conductive terminals is large, or the space or the circuit board structure is limited, the soldering operation between the conductive terminals and the circuit board is difficult. In addition, compared with welding, the conductive terminal and the circuit board are directly fixedly connected on the manufacturing process by adopting a mechanical structure, so that the method is more convenient and has higher efficiency. However, for the flexible printed circuit board, the flexible printed circuit board is relatively flexible and relatively thin, so that the flexible printed circuit board is not easily mechanically connected.

In view of the above, there is a need to improve the existing plug-in design of the flexible circuit board to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can make the flexible circuit board exempt from plug connector and the electric connector subassembly of welded connection.

In order to achieve the above object, the present invention provides a connector clip, which comprises: the plug socket is provided with a base part and a plug part extending forwards from the base part, the base part and the plug part are provided with a fixing cavity in a penetrating way along the front-back direction, and the plug part is provided with an opening part and limiting parts, wherein the opening part is communicated with one side of the fixing cavity and the outside along the thickness direction of the opening part; the flexible circuit board assembly is provided with a flexible circuit board and a reinforcing plate arranged on the flexible circuit board, the flexible circuit board is provided with an inserting section positioned at one end and an extending section connected with the inserting section, the reinforcing plate is arranged on the inserting section, and a golden finger is arranged on one side of the inserting section, which is far away from the reinforcing plate; the inserting section penetrates through the fixed cavity, the golden finger of the inserting section is exposed outwards from the opening part, and the limiting parts on two sides of the opening part limit the inserting section in the thickness direction of the inserting part.

As a further improvement of the present invention, the connector clip further has a retaining structure provided at the rear of the base portion to prevent the flexible circuit board assembly from the fixed cavity being separated rearward.

As a further improvement of the utility model, the stopping structure include along the cooperation of flexible circuit board thickness direction set up in the first working of plastics and the second working of plastics of basal portion rear side, flexible circuit board and/or reinforcing plate both sides are formed with the protruding portion that extends to the both sides outside, be provided with on first working of plastics or the second working of plastics spacing in the stopper of protruding portion rear side.

As a further improvement of the present invention, the inner wall surfaces of the first and second plastic members and the flexible circuit board assembly are further provided with a waterproof pad therebetween, and the waterproof pad is fixed to the flexible circuit board assembly.

As a further improvement of the utility model, first working of plastics and second working of plastics have respectively and are located the rear side in order to fix the main part of flexible circuit board subassembly with connect in the main part front side with the basal portion carries out location complex location portion, the main part both sides of first working of plastics and second working of plastics are provided with respectively and are used for fixing fixed buckle between them.

As a further improvement of the present invention, the socket further has a connection the base portion surrounds the annular wall that the insertion portion set up, is formed in the insertion cavity between the annular wall and the insertion portion, the insertion portion with the cooperation of the flexible circuit board assembly is tongue-shaped and is set up inside the annular wall.

As a further improvement of the utility model, the outside of one side of the annular wall is provided with a lock catch structure used for being matched with a butt joint component.

As a further improvement, the rampart have with grafting portion parallel arrangement's transverse wall, the hasp structure sets up the transverse wall outside to include from transverse wall front end backward and upwards extending elasticity hasp arm, set up in the unsteady space of elasticity hasp arm below and extend to elasticity hasp arm top and restrict elasticity hasp upwards excessively open limit structure, elasticity hasp arm has the operation portion that sets up in the rear end and sets up the hasp portion between operation portion and front end.

In order to realize the above object of the present invention, the present invention also provides an electrical connector assembly, which comprises: the socket comprises a socket body and a plurality of conductive terminals, wherein the socket body is provided with an insulating body and a plurality of conductive terminals fixed on the insulating body, the insulating body is provided with a butt joint part provided with a butt joint cavity, and the conductive terminals are provided with elastic contact arms protruding into the butt joint cavity; the plug connector is arranged as above, and the insertion part of the plug connector is in insertion fit with the butt joint cavity and is in butt joint with the elastic contact arm through the golden finger to form electric connection.

As a further improvement of the present invention, the socket body further has a sealing ring surrounding the front end of the butt joint portion, a sealing member installed around the front end of the butt joint portion and extending into the butt joint portion to the butt joint chamber, the sealing member is annular, and is extending into the partial structure of the butt joint chamber is provided with a protruding rib at an interval between two elastic contact arms.

The utility model has the advantages that: the utility model combines and arranges the flexible circuit board in the socket to form the plug connector, thereby enabling the mechanical butt joint of the flexible circuit board to be possible, facilitating the plug operation of the flexible circuit board without welding and enabling the connection of the flexible circuit board to be simpler and more convenient; in addition, the socket body is combined, so that a group of simple and convenient electric connector components with good sealing performance can be formed.

Drawings

Fig. 1 is a perspective view of the connector of the present invention.

Fig. 2 is a perspective view of the plug of fig. 1 at another angle.

Fig. 3 is an exploded perspective view of the connector of fig. 1.

Fig. 4 is an exploded perspective view of the plug of fig. 3 at another angle.

Fig. 5 is a perspective view of the electrical connector assembly of the present invention.

Fig. 6 is a schematic longitudinal cross-sectional view of the electrical connector assembly shown in fig. 5.

Fig. 7 is a perspective view of the receptacle body of the electrical connector assembly of fig. 5.

Fig. 8 is an exploded perspective view of the socket body shown in fig. 7.

Fig. 9 is an exploded perspective view of the socket body of fig. 8 from another angle.

Detailed Description

The present invention will be described in detail with reference to the specific embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.

Additionally, the terms "front," "back," "upper," "lower," and the like as used herein refer to relative spatial positions and relationships of one element or feature to another element or feature as illustrated in the figures, for convenience of description. For example, in the following description relating to the socket 100 and the socket body 500, "forward" refers to a forward direction of mating in the mating direction when the two are mated with each other.

Referring to fig. 1 to 4, a first preferred embodiment of the plug connector 100 of the present invention is shown. The connector 100 includes a socket 1 and a flexible circuit board assembly 2 fixed to the socket 1.

Wherein the socket 1 has a base 11, a plug part 12 extending forward from the base 11. Preferably, in the present invention, the insertion part 12 is a tongue-shaped piece protruding forward from the front surface of the base 11, and the socket 1 further has a ring wall 13 connecting the base 11 and surrounding the insertion part 12, and an insertion cavity 14 formed between the ring wall 13 and the insertion part 12.

The base 11 and the plug 12 are provided with a fixing cavity 10 penetrating in the front-rear direction. Further, in the present embodiment, an extension portion 111 is further extended backward from a position corresponding to the insertion portion 12 on the rear side of the base portion 11, and the fixing cavity 10 penetrates through the extension portion 111. The inserting part 12 has an opening part 121 communicating the fixing cavity 10 side and the outside along the thickness direction thereof and a limiting part 122 formed on both sides of the opening part 121, that is, the opening part 121 is not completely opened on the fixing cavity 10 side, so that the limiting part 122 is still blocked and limited on the opening part 121 side.

Specifically, in the present embodiment, the insertion part 12 has a top wall 123, a bottom wall 124 and two side walls 125 which are formed around the fixing cavity 10 and are opposite to each other up and down, the opening part 121 is disposed on the bottom wall 124 and penetrates through the insertion part 12 along the front-back direction, but does not completely penetrate through the bottom wall 124 in the width direction of the insertion part 12, so that the limiting parts 122 are formed at positions where the bottom wall 124 and the two side walls 125 are respectively connected. The limiting portion 122 is opposite to the top wall 123, and forms an inserting guiding and limiting channel together with the top wall 123 and the side wall 125. The two sides of the plug part 12 are in a barb shape in a general view.

The flexible circuit board assembly 2 has a flexible circuit board 21 and a reinforcing plate 22 provided on the flexible circuit board 21. The flexible circuit board 21 is provided with a plug section 211 located at one end and an extension section 213 connected with the plug section 211, the reinforcing plate 22 is arranged on the plug section 211, and one side, deviating from the reinforcing plate 22, of the plug section 211 is provided with a gold finger 212, so that the hardness of the plug section 211 can be increased, and deformation can be avoided as much as possible. The insertion section 211 and the reinforcing plate 22 are fixed in a matched manner and then penetrate through the fixing cavity 10, the reinforcing plate 22 is located between the insertion section 211 and the top wall of the insertion part 12, and the golden finger 212 of the insertion section 211 is exposed outwards from the opening part 121, so that the golden finger 212 can be conveniently butted. In addition, the limiting parts 122 at two sides of the opening part 121 limit the inserting section 211 in the thickness direction of the inserting part 12, so that the top wall 123 of the inserting portion 12 downwardly abuts against the reinforcing plate 22, the limiting portion 122 upwardly abuts against the inserting section 211, the two side walls 125 form a blocking and limiting position for the flexible circuit board assembly 2 from two sides, thereby, when the plug-in section 211 is pressed by external force during the plugging of the connector 100 of the present invention, due to the position limitation of the upper top wall 123, the lower bottom wall 124 and the two side walls 125, so that the relative displacement between the plug section 211 of the flexible circuit board assembly 2 and the reinforcing plate 22 cannot occur, thereby not only protecting the two sides of the insertion section 211 and preventing the side edge connected with the reinforcing plate 22 from being propped against and layered, but also ensuring that when in butt joint, the upper part and the lower part of the plug-in section 211 of the flexible circuit board component 2 can be limited, and the occurrence of bending deformation is avoided. The inserting portion 12 is matched with the flexible circuit board assembly 2 to be arranged on the inner side of the annular wall 13 in a tongue-shaped manner.

In addition, for convenient insertion, a locking structure 15 for cooperating with a mating component is provided on the outside of one side of the annular wall 13. Specifically, the annular wall 13 has a transverse wall 131 arranged parallel to the insertion part 12, and the latch structure 15 is arranged outside the transverse wall 131 and includes a flexible latch arm 151 extending rearward and upward from the front end of the transverse wall 131, a floating space 152 arranged below the flexible latch arm 151, and a stopper 153 extending above the flexible latch arm 151 and limiting the flexible latch arm 151 from excessively expanding upward. The flexible latch arm 151 has an operating portion 1511 provided at the rear end and a latch portion 1512 provided between the operating portion 1511 and the front end.

Referring to fig. 3 and 4 in combination with fig. 6, the connector 100 of the present invention further has a retaining structure 3 disposed behind the base 11 to prevent the flexible circuit board assembly 2 from being separated from the fixing cavity 10.

Specifically, in the present embodiment, the retaining structure 3 includes a first plastic part 31 and a second plastic part 32 that are cooperatively disposed on the rear side of the base 11 along the thickness direction of the flexible circuit board 21. Protruding parts 23 extending towards the outer sides of the two sides are formed on the two sides of the flexible circuit board 21 and/or the reinforcing plate 22, and a limiting block 33 limiting the rear side of the protruding parts 23 is arranged on the first plastic part 31 or the second plastic part 32.

Wherein, the two sides of the rear end of the base 11 are formed with fixing channels 112 which are opened upwards or downwards. The first and second plastic members 31 and 32 are respectively fixed to the rear side of the base 11 along the fixing channel 112, and fixed to each other at both sides of the first and second plastic members 31 and 32. Specifically, the first plastic part 31 and the second plastic part 32 respectively have a main body part 30 located at the rear side for fixing the flexible circuit board assembly 2 and a positioning part 34 connected to the front side of the main body part 30 for positioning and matching with the fixing channel 112 of the base part 11. The main body 30 of the first plastic part 31 and the second plastic part 32 are provided with fixing buckles at two sides thereof, respectively. The fixing buckle comprises buckling blocks 311 arranged on two side walls of the first plastic part 31 and locking arms 321 arranged in a protruding manner from the second plastic part 32 to two sides of the first plastic part 31, and buckling holes 3211 buckled with the buckling blocks 311 are formed in the locking arms 321, so that the locking blocks and the locking arms form locking. The limiting block 33 is formed by protruding from the rear end of the second plastic part 32 towards the first plastic part 31, and correspondingly, a yielding groove 312 is formed at a position on the first plastic part 31 corresponding to the limiting block 33.

Further, a waterproof pad 4 is further disposed between the inner wall surfaces of the main body portions 30 of the first plastic part 31 and the second plastic part 32 and the flexible circuit board assembly 2, and the flexible circuit board assembly 2 is clamped and fixed by the waterproof pad 4. Specifically, a cavity 35 is recessed inside the first plastic part 31 and the second plastic part 32, and the waterproof pad 4 is fixed in the cavity 35.

Referring to fig. 5 and 9, the present invention further provides an electrical connector assembly, which includes the connector 100 and a socket body 500 mated with the connector 100.

The socket body 500 has an insulative housing 5 and a plurality of conductive terminals 6 fixed to the insulative housing 5. The insulating body 5 is formed with a butting part 51 provided with a butting cavity 50, and the conductive terminal 6 is provided with an elastic contact arm 61 protruding into the butting cavity 50; the inserting portion 12 of the inserting component 100 is inserted into the abutting cavity 50 and electrically connected to the elastic contact arm 61 through the contact between the golden finger 212 and the elastic contact arm.

Specifically, as shown in fig. 7 to 9, the insulating body 5 is formed with a body portion 52, and the abutting portion 51 is formed to protrude forward from the body portion 52. The main body 52 has a plurality of front and rear terminal holes 521 formed therethrough. The terminal hole 521 communicates with the docking chamber 50 in front and rear directions. The conductive terminal 6 has a fixing portion 62 fixed in the terminal hole 521, and a solder leg 63 extending from the fixing portion 62 to the rear of the insulating body 5. The elastic contact arm 61 extends forward from the front end of the fixing portion 62 and then is folded back to form a support arm 612.

In the present embodiment, the insulating body 5 further has a protective wall 53 disposed around the periphery of the abutting portion 51. A receiving cavity 54 is further formed between the protection wall 53 and the mating portion 51 to correspond to the annular wall 13 of the connector 100. Accordingly, a locking seat 531 for cooperating with the locking structure 15 of the plug 100 is provided on the top of the protection wall 53. The locking seat 531 has a locking groove 5311 into which the elastic latch arm 151 can easily extend and a locking hole 5312 for locking with the locking portion 1512.

The socket body 500 further has a sealing ring 7 disposed around the periphery of the front end of the mating portion 51. When the socket body 500 and the plug 100 are mated, the sealing ring 7 is radially sealed between the mating portion 51 and the annular wall 13 to seal the electrical connection portion therebetween.

Further, in the present embodiment, the internal height and width of the mating cavity 50 of the mating portion 51 are both larger than the corresponding dimensions of the mating portion 12 of the plug 100. Therefore, the socket body 500 of the present invention further has a sealing member 8 installed on the docking portion 51 and extending into the docking cavity 50. Before the seal 8 is not installed, the resilient contact arm 61 is suspended within the docking cavity 50.

The seal member 8 is annular and has a first seal portion 81 covering the front end surface of the abutting portion 51 and a second seal portion 82 projecting into the abutting chamber 50. The second sealing portion 82 is attached around the inner wall of the docking chamber 50, and a plurality of ribs 821 are spaced at intervals on one side of the adjacent support arms 612, and the support arms 612 are spaced from each other by the ribs 821, it can also be understood that the part of the structure of the sealing member 8 extending into the docking chamber 50 is provided with the ribs 821 for spacing the elastic contact arms 61 two by two. From this, it can be seen in connection with fig. 6 that, the utility model discloses when well plug-in component 100 pegs graft with socket body 500 mutually, can form better sealed around the electric connection position, effective waterproof etc. guarantees the stability that both peg graft.

In summary, the flexible circuit board 21 is combined and arranged in the socket 1 to form the plug connector 100, so that the mechanical butt joint of the flexible circuit board 21 becomes possible, the plug operation of the flexible circuit board 21 can be facilitated without welding, and the connection of the flexible circuit board 21 is simpler and more convenient; in addition, a set of simple and convenient electrical connector assembly with good sealing performance can be formed by combining the arrangement of the socket body 500.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A connector, comprising:

the plug socket is provided with a base part and a plug part extending forwards from the base part, the base part and the plug part are provided with a fixing cavity in a penetrating way along the front-back direction, and the plug part is provided with an opening part and limiting parts, wherein the opening part is communicated with one side of the fixing cavity and the outside along the thickness direction of the opening part;

the flexible circuit board assembly is provided with a flexible circuit board and a reinforcing plate arranged on the flexible circuit board, the flexible circuit board is provided with an inserting section positioned at one end and an extending section connected with the inserting section, the reinforcing plate is arranged on the inserting section, and a golden finger is arranged on one side of the inserting section, which is far away from the reinforcing plate;

the inserting section penetrates through the fixed cavity, the golden finger of the inserting section is exposed outwards from the opening part, and the limiting parts on two sides of the opening part limit the inserting section in the thickness direction of the inserting part.

2. The connector of claim 1, wherein: the plug connector is also provided with a backstop structure arranged at the rear of the base part so as to prevent the flexible circuit board assembly from being separated from the fixed cavity backwards.

3. The connector of claim 2, wherein: stopping structure include along the cooperation of flexible circuit board thickness direction set up in the first working of plastics and the second working of plastics of basal portion rear side, flexible circuit board and/or reinforcing plate both sides are formed with the protruding portion that extends to the both sides outside, be provided with on first working of plastics or the second working of plastics spacing in the stopper of protruding portion rear side.

4. The connector of claim 3, wherein: and a waterproof pad is arranged between the inner wall surfaces of the first plastic part and the second plastic part and the flexible circuit board assembly, and the flexible circuit board assembly is clamped and fixed through the waterproof pad.

5. The connector of claim 3, wherein: the first plastic part and the second plastic part are respectively provided with a main body part which is positioned at the rear side and used for fixing the flexible circuit board assembly and a positioning part which is connected to the front side of the main body part and used for positioning and matching with the base part, and fixing buckles used for fixing the first plastic part and the second plastic part are respectively arranged at two sides of the main body part of the first plastic part and the second plastic part.

6. The connector of claim 1, wherein: the socket is also provided with a ring wall which is connected with the base and arranged around the inserting part and an inserting cavity which is formed between the ring wall and the inserting part, and the inserting part is matched with the flexible circuit board assembly to be arranged on the inner side of the ring wall in a tongue piece shape.

7. The connector of claim 6, wherein: and a lock catch structure matched with the butt-joint component is arranged outside one side of the annular wall.

8. The connector of claim 7, wherein: the ring wall is provided with a transverse wall which is arranged in parallel with the insertion part, the lock catch structure is arranged on the outer side of the transverse wall and comprises an elastic lock catch arm which extends backwards and upwards from the front end of the transverse wall, a floating space which is arranged below the elastic lock catch arm and a limiting structure which extends to the upper part of the elastic lock catch arm and limits the elastic lock catch to be excessively expanded upwards, and the elastic lock catch arm is provided with an operation part which is arranged at the rear end and a lock catch part which is arranged between the operation part and the front end.

9. An electrical connector assembly, comprising:

the socket comprises a socket body and a plurality of conductive terminals, wherein the socket body is provided with an insulating body and a plurality of conductive terminals fixed on the insulating body, the insulating body is provided with a butt joint part provided with a butt joint cavity, and the conductive terminals are provided with elastic contact arms protruding into the butt joint cavity;

the connector assembly according to any one of claims 1 to 8, wherein the insertion portion of the connector assembly is inserted into the mating cavity and electrically connected to the elastic contact arm by the gold finger abutting against the elastic contact arm.

10. The electrical connector assembly of claim 9, wherein: the socket body is also provided with a sealing ring arranged around the front end of the butt joint part and a sealing element which is arranged on the butt joint part and extends into the butt joint cavity, the sealing element is annular, and protruding ribs for spacing the elastic contact arms in pairs are arranged on a part of the structure extending into the butt joint cavity.