阅读说明：本技术 一种电连接器及显示设备主板 (Electric connector and display device mainboard ) 是由 杨辉 龙以彪 王祖斌 于 2021-08-12 设计创作，主要内容包括：本发明提供了一种电连接器及显示设备主板,电连接器包括：连接器本体；若干信号端子,若干信号端子沿长度方向间隔设置于连接器本体上；金属外壳,金属外壳设置于连接器本体上,且金属外壳沿长度方向上的端部设置有排线卡勾,用于固定插入连接器本体中的电路排线。通过在连接器本体上设置金属外壳,使得连接器本体被金属外壳包覆,既增强了电连接器的结构强度,又能对若干信号端子进行电磁干扰防护,使得信号端子仅仅传输信号,保障了电连接器的信号传输效率和信号稳定性；通过在金属外壳上设置的排线卡勾,使得金属外壳代替现有掀盖结构,固定电连接器中的电路排线,实现电连接器直插方式固定连接电路,降低电连接器的空间占用。(The invention provides an electric connector and a display equipment mainboard, the electric connector comprises: a connector body; the signal terminals are arranged on the connector body at intervals along the length direction; the connector comprises a metal shell, wherein the metal shell is arranged on the connector body, and a flat cable clamping hook is arranged at the end part of the metal shell along the length direction and used for fixing a circuit flat cable inserted into the connector body. The metal shell is arranged on the connector body, so that the connector body is coated by the metal shell, the structural strength of the electric connector is enhanced, electromagnetic interference protection can be performed on a plurality of signal terminals, the signal terminals only transmit signals, and the signal transmission efficiency and the signal stability of the electric connector are guaranteed; through the winding displacement trip that sets up on metal casing for metal casing replaces current and lifts the lid structure, and the circuit winding displacement in the fixed electric connector realizes electric connector direct-plug mode fixed connection circuit, reduces electric connector's space and occupies.)

1. An electrical connector for electrically connecting two electrical circuits, comprising:

a connector body;

the signal terminals are arranged on the connector body at intervals along the length direction;

the connector comprises a connector body, a metal shell arranged on the connector body, and a flat cable clamping hook arranged at the end part of the metal shell along the length direction and used for fixing a circuit flat cable inserted into the connector body.

2. The electrical connector of claim 1, wherein the connector body comprises:

the first side plate, the second side plate and the third side plate are sequentially connected between the top plate and the bottom plate;

the first side plate and the third side plate are respectively arranged at two ends of the bottom plate along the length direction, and the second side plate is arranged at one end of the bottom plate along the width direction;

the signal terminals are arranged on the second side plate at intervals along the length direction, and the bottom plate, the top plate, the first side plate, the second side plate and the third side plate are surrounded to form a flat cable slot; the wire arranging clamp hook groove is formed in the two ends of the top plate along the length direction, the clamping hook avoiding notches are formed in the positions, corresponding to the wire arranging clamp groove, of the bottom plate, and the wire arranging clamp hooks are clamped in the wire arranging clamp hook groove.

3. The electrical connector of claim 2, wherein the metal shell comprises:

a bottom case and a top case, and a first side case and a second side case connected to both ends of the bottom case in a length direction;

the bottom shell is arranged on the surface of the bottom plate, which is far away from the top plate, the top shell is arranged on the surface of the top plate, which is far away from the bottom plate, the first side shell is arranged on the surface of the first side plate, which is far away from the third side plate, and the second side shell is arranged on the surface of the third side plate, which is far away from the first side plate;

the flat cable clamping hooks are arranged at two ends of the top shell along the length direction.

4. The electrical connector of claim 3, wherein the top housing comprises:

the cable ejection device comprises a top shell main body, wherein the two ends of the top shell main body in the length direction are provided with cable clamping hooks;

a first bottom shell connection portion disposed on one end of the top shell main body;

a second bottom shell connecting part disposed on the other end of the top shell main body;

the first bottom shell connecting part and the second bottom shell connecting part are used for connecting the top shell main body and the bottom shell.

5. The electrical connector of claim 4,

the winding displacement trip is including the vertical portion and the spacing portion of trip that are L shape setting, deviating from of vertical portion the one end of the spacing portion of trip is connected the topshell main part, vertical portion sliding connection with in the winding displacement fastener groove.

6. The electrical connector of claim 5,

a limit stop block is arranged at one end of the clamping hook limiting part, which is far away from the vertical part;

the surface of the limit stop facing the notch of the flat cable slot is provided with a guide inclined surface, and the surface of the limit stop facing the slot bottom of the flat cable slot is provided with a vertical surface.

7. The electrical connector of claim 3,

a plurality of supporting elastic sheets are arranged on one side of the bottom shell close to the second side plate, and the supporting elastic sheets are J-shaped; a plurality of elastic piece accommodating grooves are formed in the surface, facing the top plate, of the bottom plate along the width direction, and the elastic piece accommodating grooves are arranged at intervals along the length direction; the supporting elastic sheet is connected in the elastic sheet accommodating groove in a sliding manner;

a plurality of body clamping teeth are arranged on one side of the bottom shell, which is far away from the second side plate, at intervals along the length direction; a plurality of body clamping tooth holes are formed in the bottom plate along the width direction, and the body clamping tooth holes are arranged at intervals along the length direction; the body latch deviates from two side faces of one end of the bottom shell, and latch clamping points are arranged on the two side faces of the end of the bottom shell and are clamped with the hole walls of the body latch holes.

8. The electrical connector of claim 3,

the cross sections of the first side shell and the second side shell are L-shaped, and the first side shell and the second side shell are provided with fixed elastic sheets and grounding sheets;

the first side plate and the third side plate are both provided with sliding grooves, and the bottom of each sliding groove is provided with a spring plate stop dog.

9. The electrical connector of any one of claims 2-8,

the signal terminal comprises a welding part, a terminal body and a contact part which are arranged in a Z shape in sequence, wherein one end of the contact part, which is far away from the terminal body, is bent;

a plurality of welding limiting grooves are formed in the outer side surface of the second side plate along the width direction at intervals along the length direction; a plurality of terminal body through holes are formed in one side, close to the top plate, of the second side plate at intervals along the length direction; a plurality of contact grooves are formed in the surface, facing the bottom plate, of the top plate; the welding part is clamped in the welding limiting groove, the signal terminal body is arranged in the terminal body through hole, and the contact part is arranged in the contact groove; the terminal body is provided with a plurality of first clamping points along two side faces in the length direction, and the first clamping points are clamped with the through holes of the terminal body.

10. A display device main board, comprising:

a number of electrical connectors as claimed in any one of claims 1 to 9;

the PCB is provided with a plurality of PIN PINs and grounding PINs;

the circuit flat cables are inserted into the electric connector and are electrically connected with the electric connector;

the electric connector is electrically connected with the PCB, and a position avoiding notch is formed in the connector body corresponding to the grounding pin.

Technical Field

The invention relates to the technical field of plug connectors, in particular to an electric connector and a display equipment mainboard.

Background

The electrical connector is a commonly used electronic component, and is generally used between blocked or isolated non-conductive circuits to serve as a communication bridge, so as to conduct the circuits and realize the predetermined functions of the circuits, and is also a bridge for signal transmission and reception, for example, used for connecting Flexible Printed Circuit (FPC) cables.

The existing display equipment mainboard is usually provided with a large number of electric connectors, on one hand, along with the higher and higher resolution requirement of the display equipment, the display equipment mainboard needs to have a higher speed, which requires that the point connector also has a higher transmission speed; on the other hand, the current market consumption trend is also more and more towards the ultra-thinness of the display device, which requires that the thickness or the operation space of each component on the mainboard of the display device is smaller and smaller; however, the existing electrical connector is generally a flip-type electrical connector, which causes a large occupied space of the flip cover, and a large occupied space of the overall thickness, installation and operation of the electrical connector; therefore, the signal terminal needs to have the functions of signal transmission and fixed connection flip at the same time, so that the transmission rate of the electric connector is low; meanwhile, the existing flip-top electrical connector is generally a plastic shell main body, and has a certain structural strength and no signal anti-interference function on a signal terminal.

Therefore, the prior art has defects and needs to be improved and developed.

Disclosure of Invention

In view of the above-mentioned deficiencies of the prior art, the present invention provides an electrical connector and a display device motherboard, which aims to solve the problems of the prior art that the electrical connector needs to have weak strength, low signal transmission rate and large occupied space.

The technical scheme adopted by the invention for solving the technical problem is as follows: an electrical connector for electrically connecting two electrical circuits, the electrical connector comprising:

a connector body;

the signal terminals are arranged on the connector body at intervals along the length direction;

the connector comprises a connector body, a metal shell arranged on the connector body, and a flat cable clamping hook arranged at the end part of the metal shell along the length direction and used for fixing a circuit flat cable inserted into the connector body.

Further, the connector body includes:

the first side plate, the second side plate and the third side plate are sequentially connected between the top plate and the bottom plate;

the first side plate and the third side plate are respectively arranged at two ends of the bottom plate along the length direction, and the second side plate is arranged at one end of the bottom plate along the width direction;

the signal terminals are arranged on the second side plate at intervals along the length direction, and the bottom plate, the top plate, the first side plate, the second side plate and the third side plate are surrounded to form a flat cable slot; the wire arranging clamp hook groove is formed in the two ends of the top plate along the length direction, the clamping hook avoiding notches are formed in the positions, corresponding to the wire arranging clamp groove, of the bottom plate, and the wire arranging clamp hooks are clamped in the wire arranging clamp hook groove.

Further, the metal housing includes:

a bottom case and a top case, and a first side case and a second side case connected to both ends of the bottom case in a length direction;

the bottom shell is arranged on the surface of the bottom plate, which is far away from the top plate, the top shell is arranged on the surface of the top plate, which is far away from the bottom plate, the first side shell is arranged on the surface of the first side plate, which is far away from the third side plate, and the second side shell is arranged on the surface of the third side plate, which is far away from the first side plate;

the flat cable clamping hooks are arranged at two ends of the top shell along the length direction.

Further, the top case includes:

the cable ejection device comprises a top shell main body, wherein the two ends of the top shell main body in the length direction are provided with cable clamping hooks;

a first bottom shell connection portion disposed on one end of the top shell main body;

a second bottom shell connecting part disposed on the other end of the top shell main body;

the first bottom shell connecting part and the second bottom shell connecting part are used for connecting the top shell main body and the bottom shell.

Further, the winding displacement trip is including the vertical portion and the spacing portion of trip that are L shape setting, deviating from of vertical portion the one end of the spacing portion of trip is connected the top shell main part, vertical portion sliding connection with in the winding displacement fastener groove.

Furthermore, a limit stop block is arranged at one end of the clamping hook limiting part, which is far away from the vertical part;

the surface of the limit stop facing the notch of the flat cable slot is provided with a guide inclined surface, and the surface of the limit stop facing the slot bottom of the flat cable slot is provided with a vertical surface.

Furthermore, a plurality of supporting elastic sheets are arranged on one side of the bottom shell close to the second side plate, and the supporting elastic sheets are J-shaped; a plurality of elastic piece accommodating grooves are formed in the surface, facing the top plate, of the bottom plate along the width direction, and the elastic piece accommodating grooves are arranged at intervals along the length direction; the supporting elastic sheet is connected in the elastic sheet accommodating groove in a sliding manner;

a plurality of body clamping teeth are arranged on one side of the bottom shell, which is far away from the second side plate, at intervals along the length direction; a plurality of body clamping tooth holes are formed in the bottom plate along the width direction, and the body clamping tooth holes are arranged at intervals along the length direction; the body latch deviates from two side faces of one end of the bottom shell, and latch clamping points are arranged on the two side faces of the end of the bottom shell and are clamped with the hole walls of the body latch holes.

Furthermore, the cross sections of the first side shell and the second side shell are both arranged in an L shape, and the first side shell and the second side shell are both provided with a fixed elastic sheet and a grounding sheet;

the first side plate and the third side plate are both provided with sliding grooves, and the bottom of each sliding groove is provided with a spring plate stop dog.

Furthermore, the signal terminal comprises a welding part, a terminal body and a contact part which are arranged in a Z shape in sequence, wherein one end of the contact part, which is far away from the terminal body, is bent;

a plurality of welding limiting grooves are formed in the outer side surface of the second side plate along the width direction at intervals along the length direction; a plurality of terminal body through holes are formed in one side, close to the top plate, of the second side plate at intervals along the length direction; a plurality of contact grooves are formed in the surface, facing the bottom plate, of the top plate; the welding part is clamped in the welding limiting groove, the signal terminal body is arranged in the terminal body through hole, and the contact part is arranged in the contact groove; the terminal body is provided with a plurality of first clamping points along two side faces in the length direction, and the first clamping points are clamped with the through holes of the terminal body.

The invention adopts another technical scheme for solving the technical problem as follows: a display device main board, comprising:

a plurality of electrical connectors as described in any of the above;

the PCB is provided with a plurality of PIN PINs and grounding PINs;

the circuit flat cables are inserted into the electric connector and are electrically connected with the electric connector;

the electric connector is electrically connected with the PCB, and a position avoiding notch is formed in the connector body corresponding to the grounding pin.

Compared with the prior art, the invention provides an electric connector and a display equipment mainboard, wherein the electric connector is used for electrically connecting two circuits, and comprises: a connector body; the signal terminals are arranged on the connector body at intervals along the length direction; the connector comprises a connector body, a metal shell arranged on the connector body, and a flat cable clamping hook arranged at the end part of the metal shell along the length direction and used for fixing a circuit flat cable inserted into the connector body. The metal shell is arranged on the connector body, so that the connector body is coated by the metal shell, the structural strength of the electric connector is enhanced, electromagnetic interference protection can be performed on a plurality of signal terminals, the signal terminals only transmit signals, and the signal transmission efficiency and the signal stability of the electric connector are guaranteed; meanwhile, the wire arranging clamping hook arranged on the metal shell enables the metal shell to replace the existing cover lifting structure to fix the circuit wire arrangement in the electric connector, so that the electric connector is fixedly connected with the circuit in a direct-plugging mode, and the space occupation of the electric connector is effectively reduced.

Drawings

Fig. 1 is a schematic perspective view of an electrical connector provided in the present invention;

fig. 2 is an exploded perspective view of the electrical connector connecting circuit cable provided in the present invention;

fig. 3 is a schematic perspective view of a connector body in the electrical connector provided in the present invention;

fig. 4 is a schematic perspective view of another perspective view of a connector body in the electrical connector provided in the present invention;

fig. 5 is a schematic perspective view of a metal housing in the electrical connector provided in the present invention;

fig. 6 is a schematic view of another perspective structure of a metal shell in the electrical connector provided in the present invention;

FIG. 7 is a schematic front view of the electrical connector connecting circuit cable provided in the present invention;

FIG. 8 is a schematic sectional view taken along line I-I of FIG. 7 according to the present invention;

FIG. 9 is a cross-sectional view of the electrical connector connecting circuit cable according to the present invention in a pressed state of the top housing;

fig. 10 is a schematic perspective view of a signal terminal in the electrical connector provided in the present invention;

FIG. 11 is a schematic cross-sectional view taken along line II-II of FIG. 7 in accordance with the present invention;

fig. 12 is a perspective exploded view of a main board of a display device provided in the present invention;

description of reference numerals:

10. an electrical connector; 11. a connector body; 12. a metal housing; 13. a signal terminal; 111. a base plate; 112. a top plate; 113. a first side plate; 114. a second side plate; 115. a third side plate; 116. a flat cable slot; 117. a chute; 118. a spring plate stop block; 1111. a hook avoidance gap; 1112. a spring plate accommodating groove; 1113. a body latch hole; 1121. arranging a wire clamp groove; 1122. a second through groove; 1123. a contact slot; 1141. welding a limiting groove; 1142. a terminal body through hole; 121. a flat cable hook; 122. a bottom case; 123. a top shell; 124. a first side case; 125. a second side case; 126. fixing the elastic sheet; 127. a ground plate; 1211. a vertical portion; 1212. a hook limiting part; 1213. a limit stop block; 1214. a guide ramp; 1215. a vertical plane; 1221. supporting the elastic sheet; 1222. a body latch; 1123. a latch stuck point; 1231. a top case body; 1232. a first bottom case connecting part; 1233. a second bottom case connecting part; 131. welding the part; 132. a terminal body; 133. a contact portion; 134. a first stuck point; 20. a display device main board; 21. a PCB board; 22. a PIN PIN; 23. a ground pin; 24. a circuit cable; 25. avoiding the gap.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The electrical connector is a commonly used electronic component, and is generally used between blocked or isolated non-conductive circuits to serve as a communication bridge, so as to conduct the circuits and realize the predetermined functions of the circuits, and is also a bridge for signal transmission and reception, for example, used for connecting Flexible Printed Circuit (FPC) cables. The existing display equipment mainboard is usually provided with a large number of electric connectors, on one hand, along with the higher and higher resolution requirement of the display equipment, the display equipment mainboard needs to have a higher speed, which requires that the point connector also has a higher transmission speed; on the other hand, the current market consumption trend is also more and more towards the ultra-thinness of the display device, which requires that the thickness or the operation space of each component on the mainboard of the display device is smaller and smaller; however, the existing electrical connector is generally a flip-type electrical connector, which causes a large occupied space of the flip cover, and a large occupied space of the overall thickness, installation and operation of the electrical connector; therefore, the signal terminal needs to have the functions of signal transmission and fixed connection flip at the same time, so that the transmission rate of the electric connector is low; meanwhile, the existing flip-top electrical connector is generally a plastic shell main body, and has a certain structural strength and no signal anti-interference function on a signal terminal.

The invention provides an electric connector and a display equipment mainboard based on the problems that an electric connector in the prior art needs weak strength, low signal transmission rate and large occupied space, and the metal shell is arranged on the connector body, so that the connector body is coated by the metal shell, the structural strength of the electric connector is enhanced, electromagnetic interference protection can be carried out on a plurality of signal terminals, the signal terminals only transmit signals, and the signal transmission efficiency and the signal stability of the electric connector are ensured; meanwhile, the wire arrangement clamping hook arranged on the metal shell replaces the existing cover-lifting structure to fix the circuit wire arrangement in the electric connector, so that the electric connector is fixedly connected with the circuit in a direct-plugging mode, the space occupation of the electric connector is effectively reduced, and specific details refer to the following embodiments.

Referring to fig. 1 and fig. 2, a first embodiment of the present invention provides an electrical connector 10 for electrically connecting two circuits, where the electrical connector 10 includes a connector body 11, a plurality of signal terminals 13, and a metal shell 12; the signal terminals 13 are arranged on the connector body 11 at intervals along the length direction; the metal shell 12 is disposed on the connector body 11, and a flat cable hook 121 is disposed at an end of the metal shell 12 along a length direction, for fixing a circuit flat cable 24 inserted into the connector body 11.

It can be understood that, by arranging the metal shell 12 on the connector body 11, the connector body 11 is covered by the metal shell 12, which not only enhances the structural strength of the electrical connector 10, but also protects the plurality of signal terminals 13 from electromagnetic interference, so that the signal terminals 13 only transmit signals, and the signal transmission efficiency and the signal stability of the electrical connector 10 are ensured; meanwhile, the flat cable hook 121 arranged on the metal shell 12 enables the metal shell 12 to replace the existing cover-lifting structure, fix the circuit flat cable 24 in the electrical connector 10, realize the direct-plug mode fixed connection circuit of the electrical connector 10, and effectively reduce the space occupation of the electrical connector 10.

Referring to fig. 1, 3 and 4 in combination, in other embodiments, the connector body 11 includes a bottom plate 111 and a top plate 112, and a first side plate 113, a second side plate 114 and a third side plate 115 sequentially connected between the top plate 112 and the bottom plate 111; the first side plate 113 and the third side plate 115 are respectively disposed at two ends of the bottom plate 111 in the length direction, and the second side plate 114 is disposed at one end of the bottom plate 111 in the width direction; the signal terminals 13 are arranged on the second side plate 114 at intervals along the length direction, and the bottom plate 111, the top plate 112, the first side plate 113, the second side plate 114 and the third side plate 115 are surrounded by a flat cable slot 116; the top plate 112 is provided with flat cable hook grooves 1121 at both ends along the length direction, the bottom plate 111 is provided with hook clearance notches 251111 at positions corresponding to the flat cable hook grooves 1121, and the flat cable hooks 121 are fastened in the flat cable hook grooves 1121.

It can be understood that when the electrical connector 10 is connecting two circuits, one of the circuits (the circuit flat cable 24) extends into the flat cable slot 116, the flat cable slot 116 is used for accommodating the inserted circuit flat cable 24, the flat cable clip groove 1121 and the hook clearance gap 251111 facilitate the installation of the metal shell 12 with the flat cable hook 121 and the connector body 11, and also facilitate the fixation of the inserted circuit flat cable 24 by the installed electrical connector 10; by arranging the flat cable clamping hook groove 1121 and the clamping hook avoiding notch 251111 on the connector body 11, the connector body 11 and the metal shell 12 provided with the flat cable clamping hook 121 are connected into a whole, so that the structural strength of the electric connector 10 is effectively enhanced, and the electric connector 10 realizes effective protection of a connecting circuit; meanwhile, the electrical connector 10 is also convenient to fix the circuit flat cable 24 inserted into the flat cable slot 116 by the flat cable hook 121, so that the electrical connector 10 realizes the direct insertion and extraction of the circuit flat cable 24 and provides effective protection.

Referring to fig. 1, 5 and 6 in combination, in other embodiments, metal shell 12 includes a bottom shell 122 and a top shell 123, and a first side shell 124 and a second side shell 125 connected to two ends of bottom shell 122 along a length direction; the bottom shell 122 is disposed on a surface of the bottom plate 111 facing away from the top plate 112, the top shell 123 is disposed on a surface of the top plate 112 facing away from the bottom plate 111, the first side shell 124 is disposed on a surface of the first side plate 113 facing away from the third side plate 115, and the second side shell 125 is disposed on a surface of the third side plate 115 facing away from the first side plate 113; the flat cable hook 121 is disposed at two ends of the top case 123 along the length direction.

It can be understood that, by providing bottom shell 122, top shell 123, first side shell 124 and second side shell 125, metal shell 12 covers connector body 11, so as to effectively enhance the structural strength of connector body 11, and further effectively improve the overall structural strength of electrical connector 10, so that electrical connector 10 can effectively protect inserted circuit flat cable 24; the flat cable hooks 121 are disposed at both ends of the top case 123 along the length direction, and the flat cable hooks 121 are driven to move downward by pressing the top case 123, so that the flat cable hooks 121 are separated from the inserted circuit flat cables 24, and the inserted circuit flat cables 24 can be conveniently taken out.

Referring to fig. 6, in another embodiment, the top case 123 includes a top case main body 1231, a first bottom case connecting portion 1232 and a second bottom case connecting portion 1233, and the two ends of the top case main body 1231 along the length direction are provided with flat cable hooks 121; the first bottom case coupling part 1232 is disposed on one end of the top case main body 1231; the second bottom case coupling part 1233 is disposed on the other end of the top case main body 1231; first bottom housing coupling part 1232 and second bottom housing coupling part 1233 are used to couple top housing main part 1231 and bottom housing 122.

It can be understood that the first bottom housing connecting portion 1232 and the second bottom housing connecting portion 1233 are respectively disposed at two ends of the top housing main body 1231 along the length direction, and the first bottom housing connecting portion 1232 and the second bottom housing connecting portion 1233 are both located on a surface of the top housing 123 facing away from the second side plate 114 along the width direction; top housing main body 1231 is connected to bottom housing 122 through first bottom housing connecting part 1232 and second bottom housing connecting part 1233.

Referring to fig. 7 to 9, in other embodiments, the flat cable hook 121 includes an L-shaped vertical portion 1211 and a hook limiting portion 1212, an end of the vertical portion 1211 facing away from the hook limiting portion 1212 is connected to the top housing main body 1231, and the vertical portion 1211 is slidably connected to the flat cable hook groove 1121.

It can be understood that the flat cable clamping hook 121 is arranged into the vertical portion 1211 and the clamping hook limiting portion 1212 which are arranged in an L shape, so that the clamping hook limiting portion 1212 limits the inserted circuit flat cable 24 to effectively fix the inserted circuit flat cable 24, and meanwhile, the vertical portion 1211 is connected with the top shell main body 1231, so that the top shell main body 1231 is pressed down to drive the clamping hook limiting portion 1212 to press down, so that the clamping hook limiting portion 1212 is separated from the inserted circuit flat cable 24, the circuit flat cable 24 is conveniently taken out, and the electric connector 10 does not need to be covered and buckled, and the circuit flat cable 24 can be directly plugged and pulled out.

Referring to fig. 7 to 9, in other embodiments, a limit stop 1213 is disposed at an end of the hook-limiting portion 1212 facing away from the vertical portion 1211; the stopper 1213 is provided as a guide slope 1214 toward the notch of the bus bar slot 116, and the stopper 1213 is provided as a vertical surface 1215 toward the groove bottom of the bus bar slot 116.

It can be understood that the electrical flat cable 24 is inserted into the electrical connector 10 from the flat cable slot 116, the electrical flat cable 24 is inserted along the guiding inclined plane 1214 of the limit stop 1213, and the limit stop 1213 is moved downward until the electrical flat cable 24 is completely inserted, the limit stop 1213 springs upward to enter the positioning notch on the electrical flat cable 24, and the vertical plane 1215 on the limit stop 1213 forms a lengthwise limit for the electrical flat cable 24, so that the limit stop 1213 fixes the electrical flat cable 24; the surface of the limit stop 1213 facing the notch of the flat cable slot 116 is set as a guide inclined plane 1214, so that the electrical connector 10 forms a self-lock on the flat cable 24, thereby effectively fixing the inserted flat cable 24, facilitating the electrical connector 10 to directly insert the flat cable 24, and meeting the requirement of automatic production.

Referring to fig. 4 and fig. 5, in other embodiments, a plurality of supporting elastic pieces 1221 are disposed on a side of the bottom case 122 close to the second side plate 114, and the supporting elastic pieces 1221 are arranged in a J shape; a plurality of elastic sheet accommodating grooves 1112 are formed in the surface of the bottom plate 111 facing the top plate 112 along the width direction, and the plurality of elastic sheet accommodating grooves 1112 are arranged at intervals along the length direction; the supporting elastic piece 1221 is slidably connected to the elastic piece accommodating groove 1112; a plurality of body latches 1222 are arranged at intervals along the length direction on one side of the bottom case 122 away from the second side plate 114; a plurality of body latch holes 1113 are formed in the bottom plate 111 along the width direction, and the body latch holes 1113 are arranged at intervals along the length direction; two side surfaces of one end of the body latch 1222 facing away from the bottom case 122 are provided with latch fastening points 1123, and the latch fastening points 1123 are fastened with hole walls of the body latch holes 1113.

It can be understood that, by slidably connecting the supporting elastic piece 1221 to the elastic piece accommodating groove 1112, the supporting elastic piece is used for supporting the circuit flat cable 24 inserted into the electrical connector 10, so that the electrical connector 10 provides a stable support for the inserted circuit flat cable 24, and the circuit flat cable 24 is stably protected; the latch fastening points 1123 may be disposed on two side surfaces of the body latch 1222 in the length direction or the height direction; the body latch 1222 is provided with a latch clamping point 1123, so that the metal shell 12 is fixedly clamped with the connector body 11, the structural stability of the electrical connector 10 is enhanced, and the overall structural strength of the electrical connector 10 is further effectively ensured.

Referring to fig. 3 and fig. 5 in combination, in other embodiments, the cross sections of the first side shell 124 and the second side shell 125 are both L-shaped, and the first side shell 124 and the second side shell 125 are both provided with a fixed elastic sheet 126 and a ground strip 127; the first side plate 113 and the third side plate 115 are both provided with a sliding groove 117, and the bottom of the sliding groove 117 is provided with an elastic sheet stopper 118.

It can be understood that the fixing elastic pieces 126 are respectively disposed on the side surfaces of the first side shell 124 and the second side shell 125 in the length direction away from the connector body 11, and the fixing elastic pieces 126 are disposed corresponding to the elastic piece stoppers 118; by arranging the fixing elastic sheet 126 and the elastic sheet stopper 118, after the connector body 11 and the metal shell 12 are assembled, the metal shell 12 and the connector body 11 are fixed, so that the structural stability of the electrical connector 10 is enhanced, and the overall structural strength of the electrical connector 10 is effectively ensured; through setting up grounding lug 127, make metal casing 12 realizes ground connection through grounding lug 127, and then makes metal casing 12 after the ground connection form the cladding to signal terminal 13, makes metal casing 12 realizes the interference killing feature to signal transmission, and then the signal loss in the effectual reduction signal terminal 13 transmission course, and then the effectual signal transmission rate that has strengthened electric connector 10 makes electric connector 10 realizes the high rate transmission of signal.

Referring to fig. 7, fig. 10 and fig. 11 in combination, in another embodiment, the signal terminal 13 includes a welding portion 131, a terminal body 132 and a contact portion 133, which are sequentially disposed in a Z shape, and one end of the contact portion 133, which is away from the terminal body 132, is bent; a plurality of welding limiting grooves 1141 are formed in the outer side surface of the second side plate 114 along the width direction at intervals along the length direction; a plurality of terminal body through holes 1142 are formed at intervals along the length direction on one side of the second side plate 114 close to the top plate 112; a plurality of contact grooves are formed in the surface, facing the bottom plate 111, of the top plate 112; the welding portion 131 is clamped in the welding limiting groove 1141, the signal terminal 13 body is arranged in the terminal body through hole 1142, and the contact portion 133 is arranged in the contact groove; a plurality of first clamping points 1123 are disposed on two side surfaces of the terminal body 132 along the length direction, and the first clamping points 1123 are clamped with the terminal body through holes 1142.

It can be understood that the widths of the soldering portion 131, the terminal body 132 and the contact portion 133 are all set to be consistent, so that the overall width of the signal terminal 13 is consistent, signal loss during transmission is reduced, and the signal transmission rate of the electrical connector 10 is improved; the welding limiting groove 1141 is used for limiting the welding part 131, the terminal body through hole 1142 is used for accommodating the terminal body 132, when the circuit flat cable 24 is inserted, the circuit flat cable 24 is elastically connected with the contact part 133, and the contact groove is used as a space for avoiding when the contact part 133 is connected with the inserted flat cable, so as to ensure the connection stability of the contact groove and the inserted flat cable; a plurality of contacts, which may be two or three, preferably two, are disposed on the surface of the contact portion 133 away from the bottom plate 111, so as to enhance the connection reliability between the signal terminals 13 and the inserted circuit flat cable 24; a plurality of first clamping points 1123 are arranged on two side faces of the terminal body 132 along the length direction, 2 or 3 first clamping points 1123 can be arranged on two side faces, and the connection stability of the signal terminal 13 and the connector body 11 is effectively improved by arranging the first clamping points 1123 on the terminal body 132; by arranging the welding limiting groove 1141, the terminal body through hole 1142 and the contact groove on the connector body 11 and arranging the plurality of first clamping points 1123 on the terminal body 132, the connection stability of the signal terminal 13 and the connector body 11 is effectively improved, the connection stability of the signal terminal 13 and the inserted circuit flat cable 24 is further ensured, and the connection reliability of the electric connector 10 to the inserted circuit flat cable 24 is further ensured.

Specifically, the signal terminals 13 further include at least one detecting terminal, the overall length of the detecting terminal is smaller than that of the other signal terminals 13, and the detecting terminal is arranged to be used for matching with client software to detect the inserted circuit flat cable 24 and detect whether the circuit flat cable 24 is inserted in place or reversely, so that the connection reliability of the electric connector 10 and the inserted circuit flat cable 24 is effectively ensured.

Referring to fig. 4 and fig. 12 in combination, a second embodiment of the present invention provides a display device main board 20, where the display device main board 20 includes: a plurality of electrical connectors 10, PCB board 21 and a plurality of electrical flat cables 24 as described in any of the above embodiments; the PCB 21 is provided with a plurality of PIN PINs 22 and a plurality of grounding PINs 23; a plurality of circuit flat cables 24 are inserted into the electrical connector 10 and electrically connected with the electrical connector 10; the electrical connector 10 is electrically connected to the PCB 21, and the connector body 11 is provided with a clearance gap 25 corresponding to the grounding pin 23.

It can be understood that the display device main board 20 is provided with the electrical connector 10, so that the display device main board 20 provided with the electrical connector 10 has high overall structural strength and can provide effective protection for a connection circuit; through be provided with a plurality of PIN feet 22 and ground connection foot 23 on the PCB board 21, and connector body 11 corresponds ground connection foot 23 department is provided with keeps away a breach 25, makes PCB board 21 can support the electric connector 10 of different PIN numbers, and then can save the time of getting ready, expense and the production switching time of different PIN numbers, and then effectual improvement production efficiency and save the cost, makes simultaneously display device mainboard 20 is only through the electric connector 10 of changing different signal terminal 13 figure, compatible different PIN number circuit winding displacement 24, and then effectual improvement display device mainboard 20's application scope.

In summary, the present invention provides an electrical connector and a display device motherboard, wherein the electrical connector is used to electrically connect two circuits, and the electrical connector includes: a connector body; the signal terminals are arranged on the connector body at intervals along the length direction; the connector comprises a connector body, a metal shell arranged on the connector body, and a flat cable clamping hook arranged at the end part of the metal shell along the length direction and used for fixing a circuit flat cable inserted into the connector body. The metal shell is arranged on the connector body, so that the connector body is coated by the metal shell, the structural strength of the electric connector is enhanced, electromagnetic interference protection can be performed on a plurality of signal terminals, the signal terminals only transmit signals, and the signal transmission efficiency and the signal stability of the electric connector are guaranteed; meanwhile, the wire arranging clamping hook arranged on the metal shell enables the metal shell to replace the existing cover lifting structure to fix the circuit wire arrangement in the electric connector, so that the electric connector is fixedly connected with the circuit in a direct-plugging mode, and the space occupation of the electric connector is effectively reduced.

It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.