TWM649583U - Plug connector and intermateable socket connector thereof - Google Patents

Abstract

The invention is a plug connector and its matching socket connector. The plug connector includes a base body with an accommodation space, a sliding base slidably installed on the mounting surface of the base body, and the base body There is a shell at the setting position of the jacket. The shell is provided with perforations on the upper panels on both sides. The buckle assembly is pivotally connected to the base body so that the pressing surface of the buckle assembly is located on the installation surface and the body of the sliding seat. On the rear side, there are arms and hooks extending in the same direction on both sides of the pressing surface, and the buckle assembly is equipped with a resisting elastic piece. When the plug connector is docked with the mating socket connector, each resists the elastic piece. It is pressed downward against the base body, so that the hook part is elastically pre-forced upward and snaps into the buckle hole of the socket connector to form a position, and the elastic part is elastically deformed through the pressing surface or the pull strap to link the sliding seat to unlock the At this time, the elastic deformation of the resisting elastic piece can be made to link the hook portion to move downward. At this time, the hook portion is detached from the buckle hole, so as to achieve the effect of stable docking and reliable movement of the plug connector during docking. Insulating glue is formed at the rear of the accommodation space to fix the circuit board in the base. At the same time, the shell, circuit board and wires are combined with each other to form a firm covering and joint to the base to prevent accidents during plugging and unplugging. The contact peels off or shakes, thereby achieving a reliable electrical connection.

Description

Plug connectors and their mating socket connectors

The present invention provides a plug connector and its matching socket connector. In particular, the base of the plug connector is provided with a buckle assembly and a shell, and an insulating colloid is formed in the accommodation space of the base. The circuit board is fixed in the base body, and at the same time, the shell, circuit board and wires are combined with each other to form a stable covering and joint to the base body to prevent the contacts from peeling off or shaking when plugging and unplugging, and to achieve a reliable electrical connection. The effect.

According to today's computer technology, which is developing at a rapid pace, the development trend of computers is also moving in the direction of strong computing power, fast speed and small size, so the number of computer communication ports is also reduced, and such communication ports It may also be used with other devices with the same specifications, such as car audio, car computers, charging devices, satellite navigation, communication devices, etc. However, in addition to sockets, the communication ports in these devices are Cable combination plugs are cable plugs, so the future development of this type of cable plug is also increasing. However, the size of this type of cable plug is getting smaller and smaller. How can the overall structural configuration be achieved through good structural design? This prevents the cable plug from directly pulling on the cable when plugging and unplugging, and also prevents the cable plug and socket connector from being too small and easily damaged; in addition, there is no support or fixation on the plug. Under the structure, it is easy to cause the cable plug to be pulled and fall off after being inserted into the socket, thereby affecting the signal transmission. Therefore, from the above detailed description, it can be found that when designing the cable plug On this topic, the main consideration can be to ensure the stability of the cable plug when mating with the socket connector. In addition, it should be noted that the plug is exposed when connected to the cable. During use, you should avoid pulling on the wire to cause the plug to detach. situation occurs, therefore, in view of the above-mentioned shortcomings of conventional usage, it is necessary for relevant industries to conduct additional research and development to improve the shortcomings and deficiencies of conventional usage.

Therefore, in view of the above problems and deficiencies, the creator collected relevant information, evaluated and considered it from many parties, and used his many years of experience in this industry to design this type of plug connector and A new patent for its mutually matched socket connector was born.

The main purpose of creating a plug connector is to provide a receiving space for circuit board assembly with a mating terminal set inside the connector's base, and the front of the base is the mating portion and the mounting surface on the rear side of the mating portion. , and a housing is set in the outer cover of the base body. The housing is provided with perforations at the upper panels on both sides. The main body of the sliding base is slidably mounted on the installation surface. Then, on the main body Combined with a drawstring, at least one continuous turning elastic portion is formed from the body toward the rear, and the buckle assembly is pivotally connected to the base body, and the pressing surface of the buckle assembly is located on the installation surface. With the back side of the sliding seat body, and on both sides of the pressing surface, there are arms and upwardly protruding hook portions extending sequentially in the direction of the docking portion, and the buckle assembly is provided with a support to The resisting elastic piece on the base body, wherein the pressing surface can elastically deform the resisting elastic piece when pressed, linking the hook portion of the two arms to deflect downward a distance at the perforation, and the pull strap Pulling the sliding seat causes the elastic portion to elastically deform, which can also link the hook portion of the two arms to elastically deflect downward at the perforation, and the rear of the accommodation space of the base is formed with insulating colloid integrally after the assembly. , for the circuit board to be fixed in the base, and at the same time, the shell, circuit board and wires are combined into a stable covering It is joined to the base body to prevent the shell, circuit board or wire from peeling off or shaking when the thin, small plug connector is plugged in and out, thereby ensuring the electrical connection of the plug connector and preventing damage. The effect.

Another main purpose of creating the plug connector and its mating socket connector is to provide an accommodating space for the circuit board assembly with the mating terminal set inside the base of the connector, and the front of the base is for mating and the mounting surface on the rear side of the docking portion, in which the body of the sliding seat is slidably mounted on the mounting surface, and a shell is set on the outer cover of the seat, and the shell is located on the upper panels on both sides. It is provided with perforations, and is combined with a drawstring on the body, and at least one continuous turning elastic part is formed from the body toward the rear, and the buckle assembly is pivotally connected to the base body and allows the buckle to The pressing surface of the assembly is located on the mounting surface and the rear side of the body of the sliding seat, and there are arms and upwardly protruding hook portions extending sequentially on both sides of the pressing surface in the direction of the docking portion. The buckle assembly is provided with a resisting elastic piece that is supported on the base body, and when the butt portion of the plug connector of the present invention is inserted into the plug portion of the socket connector to form an electrical connection, the two resisting elastic pieces are directed toward The lower support is against the bottom surface of the limiting part, and the hooking parts of the two arms are held in an upward elastic pre-forced state and snapped into the buckling hole to form a position. When the pressing surface is pressed to unlock, the resisting part can be The elastic deformation of the elastic piece causes the hook portion of the two arms to move downward at the through hole by a distance. At this time, the two hook portions are detached from the fastening holes of the plug-in part of the socket connector and descend to the shell. In the through hole of the body, even if the plug connector can be easily separated from the electrical connection of the socket connector, and when the pull strap pulls the sliding base to elastically deform the elastic part, it can also link the hook parts of the two arms in the through hole. It is elastically deflected downward and away from the fastening hole, and the rear of the accommodation space of the base body is integrally formed with insulating glue to fix the circuit board in the base body, and at the same time, the shell and circuit board and wires are combined with each other to form a solid covering and joint to the base, so as to prevent the shell of thin and small connectors from being plugged and unplugged. , circuit boards or wires produce contact peeling or shaking, thereby achieving the effect of ensuring the electrical connection of the plug connector and preventing damage.

1: Connector

10:Circuit board

101:Butt terminal group

102:Contact group

103:convex part

11: base body

110: Accommodation space

1101: Stopper

111: docking department

112:Installation surface

1121: Stopper

113: Positioning Department

1131: Limiting part

1132:Flange rail

1133: Pivot joint

114: Engagement part

12: Shell

120: Fixed space

121:Limit slot

122:Perforation

123: Limit shaft part

124:Latching hole

125:Fixing hole

13: Wire

2: Sliding seat

21:Ontology

210: Pushing part

2101:Through hole

211:Orbit film

2110: Orbit hole

22:Elastic part

3:Buckle assembly

31: Pressing surface

310: Gap

32:Arm

321: Hook and button part

322: Resist shrapnel

33:Rotating part

4: Drawstring

5: Insulating colloid

6:Socket connector

61:Plug-in part

62:Buckle hole

7: Circuit board

[Picture 1] is a three-dimensional appearance of this creation.

[Picture 2] is a three-dimensional appearance of the connector before docking.

[Picture 3] is a three-dimensional exploded view of this creation.

[Picture 4] is a three-dimensional exploded view of this creation from another perspective.

[Picture 5] is a three-dimensional appearance of the base body of this creation.

[Figure 6] is a three-dimensional appearance of the base body and circuit board of the plug connector of this invention before they are formed.

[Figure 7] is a three-dimensional appearance of the plug connector of this invention from another perspective, showing the base body and the circuit board before they are formed.

[Figure 8] is a three-dimensional appearance of the base body and circuit board of the plug connector of this invention after they have been formed.

[Picture 9] is a side cross-sectional view of this creation after it has been formed.

[Figure 10] is a side cross-sectional view of the hook portion of the buckle assembly after the invention has been formed.

In order to achieve the above-mentioned purposes and effects, the technical means and structures used in this invention are drawn and the characteristics and functions of the preferred embodiments of this invention are described in detail as follows to facilitate a complete understanding.

Please refer to Figures 1 to 10. It can be clearly seen from the figures that this is the original Plug connectors and their mating socket connectors include connector 1, sliding base 2 and buckle assembly 3, including:

The connector 1 includes a circuit board 10, a base 11 and a housing 12. The circuit board 10 is provided with mating terminal sets 101 on two side surfaces in the front, and is provided on two side surfaces in the rear of the circuit board 10. There is a contact group 102 for welding the wire 13, and the two opposite sides of the circuit board 10 are respectively provided with protrusions 103, and the base body 11 is provided with a receiving space 110 for the assembly of the circuit board 10, and in the container There are stoppers 1101 on both sides of the placement space 110 for limiting the protrusions 103 of the circuit board 10 during assembly, so that the butt terminal group 101 of the circuit board 10 penetrates outside the base 11, and A mating portion 111 extends from the front of the base 11 to both sides of the mating terminal set 101 , and a mounting surface 112 and a stopper 1121 are sequentially formed on the upper surface of the base 11 behind the mating portion 111 , and positioning portions 113 are formed on both sides of the mounting surface 112 of the base 11, wherein each positioning portion 113 is sequentially provided with a limiting portion 1131, a flange 1132 and a pivot portion 1133 from the docking portion 111 toward the rear. And the bottom surface of the base 11 is provided with at least one engaging portion 114. In addition, a fixed space 120 is formed in the center of the housing 12 to accommodate and position the base 11, and two sides of the fixed space 120 are formed. There is a relatively concave limiting groove 121, and a through hole 122 is provided on the upper surface of the limiting groove 121, and a limiting shaft portion 123 is provided on both sides of the housing 12, and the housing 12 The bottom surface is provided with an engaging hole 124 corresponding to the engaging portion 114 when the base body 11 is assembled, and the housing 12 is provided with at least one or more engaging holes 124 on the surface behind the engaging hole 124 . Fixing hole 125.

The body 21 of the sliding base 2 is combined with the positioning part 113 and can be slidably mounted on the mounting surface 112. The body 21 is provided with a pushing part 210 with a through hole 2101, and the pushing part 210 is provided with a through hole 2101. The through hole 2101 of the part 210 is combined with a drawstring 4, and the body 21 is provided with upright track pieces 211 with track holes 2110 on both sides after being folded forward, and the track holes 2110 are provided with limiting sleeves. The elastic portion 22 of the continuous turning S-shaped elastic piece is integrally formed on the two sides of the body 21 toward the rear and is positioned on the flange 1132 .

The buckle assembly 3 is pivotally positioned at the positioning portion 113, and the pressing surface 31 is located on the mounting surface 112 and can be pushed by the pushing portion 210 of the body 21 of the sliding seat 2, and the pressing surface 31 has a There is a gap 310 that is slightly larger than the drawstring 4. Arms 32 extend in the same direction on both sides of the pressing surface 31, and a hook portion 321 protrudes upward from the suspended part of the arm 32, and is provided on each arm. A resisting spring piece 322 is provided below the arm 32 and each hook portion 321 to elastically pre-force the arm 32 upward. In addition, the two arms 32 are at each hook portion 321 and the resisting spring piece 322 crosses the hook portion 321 and the buckle portion 321 . The other side of the pressing surface 31 is respectively provided with a rotating part 33 combined with the pivot part 1133.

Furthermore, when constructing this invention, the pull strap 4 is first wound and fixed at the through hole 2101 of the sliding seat 2, and then the body 21 of the sliding seat 2 is placed on the mounting surface 112 of the base body 11. At the same time, the track holes 2110 of the track pieces 211 on both sides of the body 21 are limited to fit on the flange 1132 to achieve a certain position, and the suspended ends of the integrally formed elastic portions 22 on the rear sides of the body 21 are pressed against the installation The stop portion 1121 of the surface 112 is placed on the mounting surface 112 behind the main body 21 of the sliding seat 2, and the pressing surface 31 of the buckle assembly 3 is pivoted and positioned on the Between the pivot portion 1133 of the positioning portion 113 and the limiting shaft portion 123 of the housing 12 , the hook portions 321 of the two arms 32 and the resisting elastic pieces 322 below are installed at each limiting portion 1131 , continue to insert the fixed space 120 in the center of the housing 12 from the docking part 111 and push it into the relatively concave limiting groove 121, so that the limiting shaft part 123 is placed in the rotating part 33 and fits in the pivot. The connecting portion 1133 has a fixed position, and the engaging portion 114 of the base body 11 passes through the engaging hole 124 of the housing 12 to form an engaged position, and at the same time, the two hook portions 321 are located at the limiting positions of the positioning portion 113 1131 and passes through the through hole 122 on the upper plate of the housing 12. At this time, its resisting spring piece 322 is pressed downward against the bottom surface of the limiting portion 1131 to form a supporting position. The hook portion 321 of the two arms 32 is in an upward elastic pre-forced holding state to form an unformed state in which the base 11, the sliding base 2, the buckle assembly 3 and the housing 12 are combined with each other. The contact group 102 of the circuit board 10 is welded with the wire 13. Continue to push the butt terminal group 101 of the circuit board 10 toward the rear side of the accommodation space 110 of the base 11, and the butt terminal group 101 of the circuit board 10 extends out. The positioning is formed at the butt portion 111 of the base body 11. At this time, the insulating colloid 5 is integrally formed at the rear of the accommodation space 110 of the base body 11, so that the contact group 102 of the circuit board 10 is located in the contact group. The wire 13 at 102 is covered with insulating colloid 5 to allow the circuit board 10 to be firmly positioned in the accommodating space 110 of the base 11 , and the fixed hole 125 of the formed housing 12 is combined with the insulating colloid 5 . The casing 12 and the circuit board 10 with the wires 13 welded thereon are combined with each other through the insulating glue 5 to securely cover and join the base 11 to complete the overall structure of the plug connector of the present invention.

Please continue to refer to Figures 1 to 4. It can be clearly seen from the figures that the socket connector 6 is welded on a circuit board 7. The socket connector 6 has two sides of the plug-in part 61 at the top of the board. There is a buckle hole 62 for the hook portion 321 of the two arms 32 to be inserted into and positioned.

Please continue to refer to Figures 2 and 10. It can be clearly seen from the figures that when the invention is locked, the butt portion 111 of the plug connector of the invention is first inserted into the plug portion 61 of the socket connector 6 to form an electrical connection. At this time, the two supporting spring pieces 322 are supported downwardly against the bottom surface of the limiting portion 1131, and the hooking portions 321 of the two arms 32 are held in an upward elastic pre-forced state and snapped into place. Positioning is formed in hole 62 .

Please continue to refer to Figure 10. It can be clearly seen from the figure that this invention has two unlocking methods. The first unlocking method is to press the pressing surface 31 of the buckle assembly 3, that is, the rotating part 33 is The pivot point causes the elastic piece 322 to bear downwardly against the bottom surface of the limiting portion 1131 and elastically deform, thereby linking the pressing surface 31 , the two arms 32 and the hook portion 321 of the buckle assembly 3 to the mounting surface 112 The space is elastically deflected downward by a distance. At this time, the two hook parts 321 are detached from the fastening holes 62 of the plug-in part 61 of the socket connector 6 and descend into the through holes 122 of the housing 12. Even if this The created plug connector can be easily disconnected from the electrical connection of the socket connector 6, and the second method is to squeeze the elastic part 22 of the sliding base 2 on the mounting surface 112 by pulling the strap 4 at the through hole 2101. The push part 210 is elastically deformed and pushes the pressing surface 31 so that the two arms 32 and the hook part 321 are elastically deflected downward by a distance in the space of the mounting surface 112 , and the two hook parts 321 can be plugged into the socket connector 6 The connecting portion 61 is detached from the fastening hole 62 and lowered into the through hole 122 of the housing 12. In this way, the plug connector can be easily separated from the electrical connection of the socket connector 6, and the housing 12 can be reused. , the base body 11 and the circuit board 10 with the wire 13 welded to each other are combined into a stable insulating colloid 5, and supplemented by the plug connector of the present invention when it is withdrawn from the socket connector 6, to prevent the shell 12, the circuit board 10 or The wire 13 detaches from the base 11 of the connector 1 in the withdrawing direction, causing poor contact, connection failure, and the like.

Furthermore, please continue to refer to Figures 3, 4, and 10. It can be clearly seen from the figures that the pressing surface 31 of the present invention has arms 32 extending in the same direction on both sides and an upward support below. The supporting arm 32 resists the elastic piece 322, and the two supporting arms 32 are aligned and spaced up and down between the hook portion 321 and the resisting elastic piece 322, so that the two resisting elastic pieces 322 can elastically support the elastic piece 322 downward. The bottom surface of each limiting portion 1131 allows the hook portions 321 of the two arms 32 above the two resisting elastic pieces 322 to stably produce a vertical upward elastic pre-forced holding state. However, the two resisting elastic pieces 322 only need to have When the pressing surface 31 is not touched or the pull strap 4 is not pulled, the hook portion 321 of the two arms 32 can maintain a vertical upward elastic preload, and the positions of the two resisting elastic pieces 322 can be simply and evenly changed and modified. , which does not limit the scope of protection of this creation, is hereby stated.

In addition, in the preferred embodiment of the present invention, the body 21 of the sliding seat 2 faces backward. Both sides are integrally formed with elastic portions 22 of continuous turning S-shaped elastic pieces. However, the number of elastic portions 22 can be at least one so that the sliding seat 2 can pass through the elastic portion 22 with telescopic displacement on the base body 11 It is enough to form a sliding state on the sliding seat 2, and the S-shaped elastic piece formed in one piece of the elastic part 22 can be in a "Z" shape or an "8" shape, or the elastic part 22 can be formed by using an extended elastic piece on the sliding seat 2. Therefore, the elastic part 22 only needs to have a shape with elastic deformation and reset functions. Such simple equal changes and modifications do not limit the scope of protection of the present invention, and it is hereby stated.

In addition, in this embodiment, the center of the mating portion 111 of the connector 1 is provided with a mating terminal set 101 of the circuit board 10, so that the mating terminal set 101 can be used for electrical connection with the socket connector 6. Therefore, the mating terminal set 101 of the circuit board 10 in the connector 1 is not necessarily designed in the circuit board type, and can also be designed in the form of other plural terminals or conductive sheets to form a cable-connected plug or socket. The use of connectors and such simple equal changes and modifications do not limit the scope of protection of this invention. Such simple equal changes and modifications should still be included in the patent scope covered by this invention.

In addition, in this embodiment, the rotating part 33 of the buckle assembly 3 of the connector 1 is combined with the pivot part 1133 of the base 11, and the housing 12 is assembled on the base 11, so that the housing 12 The limiting shaft portion 123 is assembled at the pivot portion 1133 for the buckle assembly 3 to form an axial limit and to be in a swinging pivot state with the pivot portion 1133 as the axis. The buckle assembly 3 can also be independent. It can be assembled on the pivot portion 1133 of the base 11 or the limiting shaft portion 123 of the housing 12 in a swinging state. Such simple equal changes and modifications do not limit this invention. Such simple equal changes and modifications should still be included in the scope of the patent covered by this creation.

In addition, the main purpose of this invention is to enable the pressing surface 31 to elastically deform the resisting elastic piece 322 when pressing, and link the hook portion 321 of the two arms 32 to deflect downward by a distance, and when the pull is The belt 4 pulls the sliding seat 2 to elastically deform the elastic part 22 and can also link the hook part 321 of the two arms 32 to elastically deflect downward, and is integrally formed through the rear of the accommodation space 110 of the base body 11 The insulating glue 5 is used to fix the circuit board 10 in the base 11, and at the same time, the housing 12, the circuit board 10 and the wire 13 are combined with each other to firmly cover and join the base 11, which is its main feature. The plug connector is firmly connected to the corresponding socket connector 6 and has a reliable action. When the thin and smaller plug connector is plugged and unplugged, the insulating gel 5 integrally formed in the plug connector is used to This prevents the shell 12, the circuit board 10 or the wire 13 from peeling off or shaking the contacts, thereby achieving the effect of ensuring the electrical connection of the plug connector and preventing damage.

However, the above detailed description is only a description of a better feasible embodiment of this invention. However, this embodiment is not used to limit the patentable scope of this invention. All other equivalent changes can be made without departing from the technical spirit disclosed by this invention. and modification changes shall be included in the patent scope covered by this creation.

To sum up, the plug connector of this invention and its matching socket connector have significant functional improvements when used, and they sincerely meet the application requirements for new patents. I submit the application in accordance with the law and hope that the review committee will approve this case as soon as possible. To protect the hard work of the creators, if the bureau has any doubts, please feel free to send us a letter for instructions. The creators will do their best to cooperate. We sincerely appreciate it.

1: Connector

10:Circuit board

101:Butt terminal group

11: base body

111: docking department

112:Installation surface

12: Shell

122:Perforation

123: Limit shaft part

13: Wire

2: Sliding seat

21:Ontology

210: Pushing part

2101:Through hole

22:Elastic part

3:Buckle assembly

31: Pressing surface

321: Hook and button part

33:Rotating part

4: Drawstring

5: Insulating colloid

6:Socket connector

61:Plug-in part

62:Buckle hole

7: Circuit board

Claims (14)

A plug connector and its mating socket connector include a connector, a snap assembly and a socket connector, wherein: A circuit board is installed in the base of the connector with accommodating space, and the front of the base is a mating portion and the mounting surface on the rear side of the mating portion, and is provided outside the base for accommodating the base. A housing with a fixed space is positioned, and the housing is provided with perforations at the upper panel; the buckle assembly is pivoted between the base and the housing, and the pressing surface of the buckle assembly is located On the installation surface, and on both sides of the pressing surface, there are arms and upwardly protruding hook portions extending sequentially in the direction of the docking portion. In addition, the buckle assembly is provided with a hook that is supported on the base body. Resisting the elastic piece, wherein the pressing surface can elastically deform the resisting elastic piece when pressed and link the hook portion of the two arms to deflect downward a distance at the through hole; and The socket connector is provided with a plug portion for the mating portion of the connector to butt to form an electrical connection, and buckles for the hook portion to engage and position are respectively provided on the upper panels on both sides of the plug portion. hole. The plug connector and its mating socket connector as described in claim 1, wherein the circuit board is provided with mating terminal sets on the two front side surfaces, and is provided with preset wire fixing terminals on the rear two side surfaces. Set up the contact group. The plug connector and its mating socket connector as described in claim 1, wherein the two opposite sides of the circuit board are respectively provided with protrusions, and the accommodation space of the base body is provided with a space for the circuit board. Each of the protrusions forms a position-limiting stopper during assembly. The plug connector and its mating socket connector as described in claim 1, wherein positioning portions for pivotal positioning of the buckle assembly are formed on both sides of the mounting surface of the base body, and On both sides of the pressing surface of the buckle assembly, extending in the direction of the docking portion, are respectively the arm and the resisting elastic piece below for elastic pre-tensioning of the arm upward. The plug connector and its mating socket connector as described in claim 4, wherein the positioning portion of the base body is formed with the two arms of the buckle assembly on both sides of the periphery of the mating portion. The retaining spring piece is provided with a limiting portion of the retaining support. The plug connector and its mating socket connector as described in claim 4, wherein the positioning portions on both sides of the base body are each provided with a pivot portion, and the two arms of the buckle assembly are on the hook. On the other side of the buckle part and the resisting elastic piece beyond the pressing surface, there is a rotating part combined with the pivot part. The plug connector and its mating socket connector as described in claim 1, wherein the base body is further provided with a sliding seat with a body that is slidably installed on the mounting surface and the front side of the buckle assembly, A drawstring is combined with the main body, and at least one elastic portion capable of telescopic displacement is formed from the body toward the rear, and the drawstring pulls the sliding seat to elastically deform the elastic portion, causing the body to push the elastic portion. The pressing surface is used to link the hook portion of the two arms to elastically deflect downward at the through hole of the housing. The plug connector and its mating socket connector as described in claim 7, wherein the mounting surface of the base body is formed with a stop for the elastic portions on both sides of the rear body of the sliding base to resist department. The plug connector and its mating socket connector as described in claim 7, wherein the body of the sliding base is provided with a pushing portion for the drawstring to be combined in the through hole to form a positioning position. The plug connector and its mating socket connector as described in claim 7, wherein the mounting surface of the base body is provided with flanges on both sides, and the sliding base body is provided with protrusions on both sides of the body. The track piece is provided with a limited track hole that fits in the flange. The plug connector and its matching socket connector as described in claim 7, wherein the elastic part of the sliding seat is an S-shaped continuously bent elastic body. The plug connector and its mating socket connector as claimed in claim 1, wherein the two side plates of the housing are provided with limiting shaft portions at the rear. The plug connector and its mating socket connector as described in claim 1, wherein at least one engaging portion is provided on the bottom surface of the base body, and is provided on the bottom side surface of the housing for the socket. When the body is assembled, an engaging hole for assembly engagement is formed corresponding to the engaging portion. The plug connector and its mating socket connector as described in claim 1, wherein the bottom side of the housing is provided with at least one or more fixing holes at the rear position, and is further integrally formed in the accommodation space. Insulating glue that combines the base body, the circuit board and the fixing hole of the housing with each other.

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