An electrical connector and a main board of a display device

Abstract

The present invention provides an electrical connector and a motherboard of a display device. The electrical connector includes: a connector body; a plurality of signal terminals, which are arranged on the connector body at intervals along the length direction; a metal shell, which is arranged on the connector body, and a wire harness hook is arranged at the end of the metal shell along the length direction for fixing the circuit wire harness inserted into the connector body. By arranging the metal shell on the connector body, the connector body is covered by the metal shell, which not only enhances the structural strength of the electrical connector, but also can provide electromagnetic interference protection for the plurality of signal terminals, enabling the signal terminals to only transmit signals, and ensuring the signal transmission efficiency and signal stability of the electrical connector; by arranging the wire harness hook on the metal shell, the metal shell replaces the existing flip cover structure to fix the circuit wire harness in the electrical connector, realizing the direct insertion and fixed connection of the electrical connector to the circuit, and reducing the space occupied by the electrical connector.

Description

Technical Field

[0001] The present invention relates to the technical field of plug connectors, and particularly relates to an electrical connector and a main board of a display device. Background Art

[0002] An electrical connector is a commonly used electronic component, usually used between circuits that are blocked or isolated, serving as a communication bridge to conduct the circuit and achieve the predetermined function of the circuit. At the same time, it is also a bridge for signal transmission and reception, for example, used to connect a flexible circuit board cable, such as an FPC (Flexible Printed Circuit) cable.

[0003] Existing main boards of display devices usually have a large number of electrical connectors. On the one hand, as the resolution requirements of display devices are getting higher and higher, the main board of the display device needs to have a large rate, which requires the electrical connector to also have a large transmission rate. On the other hand, the current market consumption trend is also more and more inclined to the ultra-thinness of display devices, which requires the thickness or operating space of each component on the main board of the display device to be smaller and smaller. However, existing electrical connectors are usually flip-cover electrical connectors, which causes the flip cover to occupy a large space, and the overall thickness, installation, and operating space of the electrical connector are large. This also requires the signal terminals to simultaneously have the functions of signal transmission and fixing the flip cover, resulting in a low transmission rate of the electrical connector. At the same time, existing flip-cover electrical connectors usually have a plastic shell body, with weak structural strength and no signal anti-interference function for the signal terminals.

[0004] Therefore, there are defects in the prior art and it needs to be improved and developed. Summary of the Invention

[0005] In view of the above deficiencies of the prior art, the purpose of the present invention is to provide an electrical connector and a main board of a display device, aiming to solve the problems of weak strength, low signal transmission rate, and large space occupation of electrical connectors in the prior art.

[0006] One technical solution adopted by the present invention to solve the technical problem is as follows: An electrical connector for electrically connecting two circuits, the electrical connector includes:

[0007] A connector body;

[0008] A plurality of signal terminals, the plurality of signal terminals are arranged at intervals along the length direction on the connector body;

[0009] A metal shell, the metal shell is arranged on the connector body, and a wire arrangement hook is provided at the end of the metal shell along the length direction for fixing the circuit wire arrangement inserted into the connector body.

[0010] Further, the connector body includes:

[0011] A bottom plate and a top plate, and a first side plate, a second side plate, and a third side plate sequentially connected between the top plate and the bottom plate;

[0012] The first side plate and the third side plate are respectively disposed at two ends of the bottom plate along the length direction, and the second side plate is disposed at one end of the bottom plate along the width direction;

[0013] Wherein, a plurality of the signal terminals are arranged at intervals along the length direction on the second side plate, and the bottom plate, the top plate, the first side plate, the second side plate, and the third side plate enclose a flexible cable slot; both ends of the top plate along the length direction are provided with flexible cable hook grooves, and the bottom plate is provided with hook avoidance notches corresponding to the positions of the flexible cable hook grooves, and the flexible cable hooks are clamped in the flexible cable hook grooves.

[0014] Further, the metal housing includes:

[0015] A bottom shell and a top shell, and a first side shell and a second side shell connected to two ends of the bottom shell along the length direction;

[0016] The bottom shell is disposed on the surface of the bottom plate facing away from the top plate, the top shell is disposed on the surface of the top plate facing away from the bottom plate, the first side shell is disposed on the surface of the first side plate facing away from the third side plate, and the second side shell is disposed on the surface of the third side plate facing away from the first side plate;

[0017] Wherein, the flexible cable hooks are disposed at both ends of the top shell along the length direction.

[0018] Further, the top shell includes:

[0019] A top shell body, and flexible cable hooks are disposed at both ends of the top shell body along the length direction;

[0020] A first bottom shell connecting portion, which is disposed at one end of the top shell body;

[0021] A second bottom shell connecting portion, which is disposed at the other end of the top shell body;

[0022] The first bottom shell connecting portion and the second bottom shell connecting portion are used for connecting the top shell body and the bottom shell.

[0023] Further, the flexible cable hook includes a vertical portion and a hook limiting portion arranged in an L shape, one end of the vertical portion facing away from the hook limiting portion is connected to the top shell body, and the vertical portion is slidably connected to the flexible cable hook groove.

[0024] Further, a limiting block is disposed at one end of the hook limiting portion facing away from the vertical portion;

[0025] The surface of the limit block facing the notch of the cable slot is set as a guiding inclined surface, and the surface of the limit block facing the bottom of the cable slot is set as a vertical surface.

[0026] Furthermore, a plurality of supporting springs are provided on a side of the bottom shell close to the second side plate, and the supporting springs are arranged in a J-shape; a plurality of spring receiving grooves are provided on the surface of the bottom plate facing the top plate along the width direction, and the plurality of spring receiving grooves are arranged at intervals along the length direction; wherein the supporting springs are slidably connected to the spring receiving grooves;

[0027] A plurality of body latches are arranged at intervals along the length direction on the side of the bottom shell away from the second side plate; a plurality of body latch holes are opened on the bottom plate along the width direction, and the plurality of body latch holes are arranged at intervals along the length direction; wherein, latch points are provided on both side surfaces of the end of the body latch away from the bottom shell, and the latch points are engaged with the hole walls of the body latch holes.

[0028] Furthermore, the cross-sections of the first side shell and the second side shell are both L-shaped, and the first side shell and the second side shell are both provided with a fixing spring and a grounding plate;

[0029] The first side plate and the third side plate are both provided with a sliding groove, and the bottom of the sliding groove is provided with a spring block.

[0030] Furthermore, the signal terminal includes a welding portion, a terminal body, and a contact portion that are sequentially arranged in a Z-shape, and the contact portion is bent at one end away from the terminal body;

[0031] A plurality of welding limit grooves are provided on the outer surface of the second side plate in the width direction at intervals along the length direction; a plurality of terminal body through holes are provided on the side of the second side plate close to the top plate at intervals along the length direction; a plurality of contact grooves are provided on the surface of the top plate facing the bottom plate; the welding portion is clamped in the welding limit groove, the signal terminal body is arranged in the terminal body through hole, and the contact portion is arranged in the contact groove; wherein, a plurality of first clamping points are provided on both side surfaces of the terminal body in the length direction, and the first clamping points are clamped with the terminal body through holes.

[0032] Another technical solution adopted by the present invention to solve the technical problem is as follows: a display device mainboard, the display device mainboard comprising:

[0033] Several electrical connectors as described in any one of the above items;

[0034] A PCB board, wherein the PCB board is provided with a plurality of PIN pins and a ground pin;

[0035] A plurality of circuit cables, and a plurality of the circuit cables are inserted into the electrical connector and are electrically connected to the electrical connector;

[0036] Wherein, the electrical connector is electrically connected to the PCB board, and an avoidance notch is provided at the position corresponding to the grounding pin on the connector body.

[0037] Compared with the prior art, the present invention provides an electrical connector and a main board of a display device. The electrical connector is used for electrically connecting two circuits. The electrical connector includes: a connector body; a plurality of signal terminals, and a plurality of the signal terminals are arranged at intervals along the length direction on the connector body; a metal shell, the metal shell is arranged on the connector body, and a cable hook is arranged at the end of the metal shell along the length direction for fixing the circuit cable inserted into the connector body. It can be understood that by arranging the metal shell on the connector body, the connector body is covered by the metal shell, which not only enhances the structural strength of the electrical connector, but also can provide electromagnetic interference protection for a plurality of signal terminals, so that the signal terminals only transmit signals, ensuring the signal transmission efficiency and signal stability of the electrical connector; at the same time, by arranging the cable hook on the metal shell, the metal shell replaces the existing flip cover structure to fix the circuit cable in the electrical connector, realizing the direct insertion connection of the electrical connector to the circuit, effectively reducing the space occupied by the electrical connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 is a three-dimensional structural schematic diagram of the electrical connector provided in the present invention;

[0039] Figure 2 is a three-dimensional exploded schematic diagram of the electrical connector connecting a circuit cable provided in the present invention;

[0040] Figure 3 is a three-dimensional structural schematic diagram of the connector body in the electrical connector provided in the present invention;

[0041] Figure 4 is another three-dimensional structural schematic diagram of the connector body in the electrical connector provided in the present invention;

[0042] Figure 5 is a three-dimensional structural schematic diagram of the metal shell in the electrical connector provided in the present invention;

[0043] Figure 6 is another three-dimensional structural schematic diagram of the metal shell in the electrical connector provided in the present invention;

[0044] Figure 7 is a front view schematic diagram of the electrical connector connecting a circuit cable provided in the present invention;

[0045] Figure 8is in the present invention Figure 7 Schematic cross-sectional view along the I-I direction;

[0046] Figure 9 is a schematic cross-sectional view of the top shell in the pressed-down state when the electrical connector of the present invention is connected to the circuit wiring harness;

[0047] Figure 10 is a three-dimensional structural schematic diagram of the signal terminal in the electrical connector provided by the present invention;

[0048] Figure 11 is the present invention Figure 7 Schematic cross-sectional view along the II-II direction;

[0049] Figure 12 is a three-dimensional exploded schematic diagram of the main board of the display device provided by the present invention;

[0050] Description of reference numerals:

[0051] 10. Electrical connector; 11. Connector body; 12. Metal shell; 13. Signal terminal; 111. Bottom plate; 112. Top plate; 113. First side plate; 114. Second side plate; 115. Third side plate; 116. Wiring harness slot; 117. Slide groove; 118. Spring piece stopper; 1111. Hook avoidance notch; 1112. Spring piece accommodation groove; 1113. Body card tooth hole; 1121. Wiring harness hook groove; 1122. Second through groove; 1123. Contact point groove; 1141. Welding limit groove; 1142. Terminal body through hole; 121. Wiring harness hook; 122. Bottom shell; 123. Top shell; 124. First side shell; 125. Second side shell; 126. Fixed spring piece; 127. Grounding piece; 1211. Vertical part; 1212. Hook limit part; 1213. Limit stopper; 1214. Guide inclined surface; 1215. Vertical surface; 1221. Support spring piece; 1222. Body card tooth; 1123. Card tooth clamping point; 1231. Top shell main body; 1232. First bottom shell connection part; 1233. Second bottom shell connection part; 131. Welding part; 132. Terminal body; 133. Contact point part; 134. First clamping point; 20. Main board of display device; 21. PCB board; 22. PIN foot; 23. Grounding foot; 24. Circuit wiring harness; 25. Avoidance notch. Detailed description of the specific implementation mode

[0052] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention and should not be construed as limiting the present invention.

[0053] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0054] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "mounted", "connected" and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0055] An electrical connector is a commonly used electronic component, usually used between circuits that are blocked or isolated, acting as a communication bridge, so that the circuit is conducted to achieve the predetermined function of the circuit. At the same time, it is also a bridge for signal transmission and reception. For example, it is used to connect a flexible circuit board cable, such as an FPC (Flexible Printed Circuit) cable. A large number of electrical connectors are usually provided on the main board of an existing display device. On the one hand, as the resolution requirement of the display device is getting higher and higher, the main board of the display device needs to have a large rate, which requires the point connector to also have a large transmission rate. On the other hand, the current market consumption trend is also more and more inclined to the ultra-thinness of the display device, which also requires the thickness or operating space of each component on the main board of the display device to be smaller and smaller. However, the existing electrical connectors are usually flip-cover electrical connectors, which results in a large space occupied by the flip cover, and the overall thickness, installation and operating space of the electrical connector are large. This also requires the signal terminal to simultaneously have the functions of signal transmission and fixing the flip cover, resulting in a low transmission rate of the electrical connector. At the same time, the existing flip-cover electrical connectors usually have a plastic shell body, with weak structural strength and no signal anti-interference function for the signal terminal.

[0056] Based on the problems of weak strength, low signal transmission rate, and large space occupation in existing electrical connectors, the present invention provides an electrical connector and a main board of a display device. By providing a metal shell on the connector body, the connector body is covered by the metal shell, which not only enhances the structural strength of the electrical connector but also provides electromagnetic interference protection for a plurality of signal terminals, enabling the signal terminals to only transmit signals and ensuring the signal transmission efficiency and signal stability of the electrical connector. At the same time, by providing a cable clip on the metal shell, the metal shell replaces the existing flip cover structure to fix the circuit cable in the electrical connector, realizing the fixed connection of the electrical connector to the circuit in a direct insertion manner, effectively reducing the space occupation of the electrical connector. For specific details, please refer to the following embodiments.

[0057] Please refer to Figure 1 and Figure 2 In the first embodiment of the present invention, an electrical connector 10 is provided for electrically connecting two circuits. The electrical connector 10 includes a connector body 11, a plurality of signal terminals 13, and a metal shell 12. The plurality of signal terminals 13 are arranged at intervals along the length direction on the connector body 11. The metal shell 12 is provided on the connector body 11, and a cable clip 121 is provided at the end of the metal shell 12 along the length direction for fixing the circuit cable 24 inserted into the connector body 11.

[0058] It can be understood that by providing a 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 provides electromagnetic interference protection for a plurality of signal terminals 13, enabling the signal terminals 13 to only transmit signals and ensuring the signal transmission efficiency and signal stability of the electrical connector 10. At the same time, by providing a cable clip 121 on the metal shell 12, the metal shell 12 replaces the existing flip cover structure to fix the circuit cable 24 in the electrical connector 10, realizing the fixed connection of the electrical connector 10 to the circuit in a direct insertion manner, effectively reducing the space occupation of the electrical connector 10.

[0059] Please refer to Figure 1 , Figure 3 and Figure 4, in some other embodiments, the connector body 11 includes a bottom plate 111 and a top plate 112, as well as a first side plate 113, a second side plate 114, and a third side plate 115 that are 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 along the length direction, and the second side plate 114 is disposed at one end of the bottom plate 111 along the width direction; wherein, a plurality of the signal terminals 13 are arranged at intervals along the length direction on the second side plate 114, 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 enclose a flat cable slot 116; both ends of the top plate 112 along the length direction are provided with flat cable hook grooves 1121, and the bottom plate 111 is provided with hook avoidance notches 251111 corresponding to the positions of the flat cable hook grooves 1121, and the flat cable hooks 121 are clamped in the flat cable hook grooves 1121.

[0060] It can be understood that when the electrical connector 10 connects two circuits, one of the circuits (circuit flat cable 24) extends into the flat cable slot 116. The flat cable slot 116 is used to accommodate the inserted circuit flat cable 24. The flat cable hook grooves 1121 and the hook avoidance notches 251111 facilitate the installation of the metal shell 12 with the flat cable hooks 121 on the connector body 11, and also facilitate the installed electrical connector 10 to fix the inserted circuit flat cable 24; by providing the flat cable hook grooves 1121 and the hook avoidance notches 251111 on the connector body 11, the connector body 11 and the metal shell 12 provided with the flat cable hooks 121 are connected as a whole, effectively enhancing the structural strength of the electrical connector 10, and further enabling the electrical connector 10 to effectively protect the connected circuit; at the same time, it also facilitates the electrical connector 10 to fix the circuit flat cable 24 inserted into the flat cable slot 116 through the flat cable hooks 121, and further enables the electrical connector 10 to directly plug and unplug the circuit flat cable 24 and provide effective protection.

[0061] Please refer to Figure 1 , Figure 5 and Figure 6, in some other embodiments, the metal housing 12 includes a bottom case 122, a top case 123, a first side case 124 and a second side case 125 connected to both ends of the bottom case 122 in the length direction; the bottom case 122 is disposed on the surface of the bottom plate 111 facing away from the top plate 112, the top case 123 is disposed on the surface of the top plate 112 facing away from the bottom plate 111, the first side case 124 is disposed on the surface of the first side plate 113 facing away from the third side plate 115, and the second side case 125 is disposed on the surface of the third side plate 115 facing away from the first side plate 113; wherein, the cable hook 121 is disposed at both ends of the top case 123 in the length direction.

[0062] It can be understood that by providing the bottom case 122, the top case 123, the first side case 124 and the second side case 125, the metal housing 12 covers the connector body 11, effectively enhancing the structural strength of the connector body 11, and further effectively improving the overall structural strength of the electrical connector 10, and further enabling the electrical connector 10 to effectively protect the inserted circuit cable 24; the cable hook 121 is disposed at both ends of the top case 123 in the length direction, and by pressing the top case 123, the cable hook 121 can be driven to move downward, so that the cable hook 121 is disengaged from the inserted circuit cable 24, facilitating the removal of the inserted circuit cable 24.

[0063] Please refer to Figure 6 , in some other embodiments, the top case 123 includes a top case body 1231, a first bottom case connection portion 1232 and a second bottom case connection portion 1233. The cable hook 121 is disposed at both ends of the top case body 1231 in the length direction; the first bottom case connection portion 1232 is disposed at one end of the top case body 1231; the second bottom case connection portion 1233 is disposed at the other end of the top case body 1231; the first bottom case connection portion 1232 and the second bottom case connection portion 1233 are used to connect the top case body 1231 and the bottom case 122.

[0064] It can be understood that the first bottom case connection portion 1232 and the second bottom case connection portion 1233 are respectively disposed at both ends of the top case body 1231 in the length direction, and both the first bottom case connection portion 1232 and the second bottom case connection portion 1233 are located on the surface of the top case 123 in the width direction facing away from the second side plate 114; the top case body 1231 is connected to the bottom case 122 through the first bottom case connection portion 1232 and the second bottom case connection portion 1233.

[0065] Please refer to in combination with Figures 7 to 9In other embodiments, the cable hook 121 includes an L-shaped vertical portion 1211 and a hook limiting portion 1212, and the end of the vertical portion 1211 facing away from the hook limiting portion 1212 is connected to the top shell body 1231, and the vertical portion 1211 is slidably connected to the cable hook groove 1121.

[0066] It can be understood that by configuring the cable hook 121 to be an L-shaped vertical portion 1211 and a hook limiting portion 1212, the hook limiting portion 1212 forms a limit on the inserted circuit cable 24, effectively fixing the inserted circuit cable 24. At the same time, by connecting the vertical portion 1211 to the top shell body 1231, the top shell body 1231 is pressed downward to drive the hook limiting portion 1212 to be pressed downward, so that the hook limiting portion 1212 is disengaged from the inserted circuit cable 24, making it convenient to remove the circuit cable 24, thereby making it possible to directly plug and unplug the circuit cable 24 without having to lift the cover of the electrical connector 10.

[0067] Please refer to Figures 7 to 9 In other embodiments, a limit block 1213 is provided at one end of the hook limit portion 1212 away from the vertical portion 1211; the surface of the limit block 1213 facing the notch of the cable slot 116 is provided as a guide slope 1214, and the surface of the limit block 1213 facing the bottom of the cable slot 116 is provided as a vertical surface 1215.

[0068] It can be understood that the circuit cable 24 is inserted into the electrical connector 10 from the cable slot 116, and the circuit cable 24 is inserted along the guiding bevel 1214 of the limiting block 1213, while driving the limiting block 1213 to move downward until the circuit cable 24 is fully inserted, and the limiting block 1213 bounces upward and enters the positioning notch on the circuit cable 24, and the vertical surface 1215 on the limiting block 1213 forms a lengthwise limit for the circuit cable 24, so that the limiting block 1213 fixes the circuit cable 24; the surface of the limiting block 1213 facing the notch of the cable slot 116 is set as the guiding bevel 1214, so that the electrical connector 10 forms a self-locking for the circuit cable 24, thereby effectively fixing the inserted circuit cable 24, and also facilitating the direct insertion of the circuit cable 24 by the electrical connector 10, meeting the requirements of automated production.

[0069] Please refer to Figure 4 and Figure 5In other embodiments, a plurality of supporting springs 1221 are provided on one side of the bottom shell 122 close to the second side plate 114, and the supporting springs 1221 are arranged in a J-shape; a plurality of spring receiving grooves 1112 are opened on the surface of the bottom plate 111 facing the top plate 112 along the width direction, and the plurality of spring receiving grooves 1112 are arranged at intervals along the length direction; wherein, the supporting springs 1221 are slidably connected to the spring receiving grooves 1112; the bottom shell A plurality of body latching teeth 1222 are arranged at intervals along the length direction on the side of 122 away from the second side plate 114; a plurality of body latching tooth holes 1113 are opened on the bottom plate 111 along the width direction, and the plurality of body latching tooth holes 1113 are arranged at intervals along the length direction; wherein, latching tooth points 1123 are provided on both side surfaces of the end of the body latching tooth 1222 away from the bottom shell 122, and the latching tooth points 1123 are engaged with the hole walls of the body latching tooth holes 1113.

[0070] It can be understood that by sliding the supporting spring piece 1221 into the spring piece receiving groove 1112, it is used to support the circuit cable 24 inserted into the electrical connector 10, so that the electrical connector 10 provides stable support for the inserted circuit cable 24, thereby achieving stable protection for the circuit cable 24; the latching point 1123 can be set on both side surfaces of the body latching tooth 1222 in the length direction or height direction; by setting the latching point 1123 on the body latching tooth 1222, the metal shell 12 is latched and fixed to the connector body 11, thereby enhancing the structural stability of the electrical connector 10, thereby effectively ensuring the overall structural strength of the electrical connector 10.

[0071] Please refer to Figure 3 and Figure 5 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 fixing springs 126 and grounding plates 127; the first side plate 113 and the third side plate 115 are both provided with sliding grooves 117, and the bottoms of the sliding grooves 117 are both provided with spring blockers 118.

[0072] It can be understood that the fixing elastic pieces 126 are arranged on the sides 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 arranged corresponding to the elastic piece stoppers 118; by arranging the fixing elastic pieces 126 and the elastic piece stoppers 118, after the connector body 11 and the metal shell 12 are assembled, the metal shell 12 and the connector body 11 are fixed, enhancing the structural stability of the electrical connector 10, and at the same time effectively ensuring the overall structural strength of the electrical connector 10; by arranging the grounding piece 127, the metal shell 12 is grounded through the grounding piece 127, and then the grounded metal shell 12 forms a covering for the signal terminals 13, enabling the metal shell 12 to play an anti-interference role in signal transmission, thereby effectively reducing the signal loss during the transmission of the signal terminals 13, and further effectively enhancing the signal transmission rate of the electrical connector 10, enabling the electrical connector 10 to achieve high-speed signal transmission.

[0073] Please refer to Figure 7 , Figure 10 and Figure 11 , in some other embodiments, the signal terminal 13 includes a welding portion 131, a terminal body 132, and a contact portion 133 that are sequentially arranged in a Z shape, and one end of the contact portion 133 away from the terminal body 132 is bent; a plurality of welding limiting grooves 1141 are arranged at intervals in the length direction on the outer side surface of the second side plate 114 in the width direction; a plurality of terminal body through holes 1142 are arranged at intervals in 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 on the surface of the top plate 112 facing the bottom plate 111; the welding portion 131 is clamped in the welding limiting grooves 1141, the terminal body 132 is arranged in the terminal body through holes 1142, and the contact portion 133 is arranged in the contact grooves; wherein, a plurality of first clamping points 1123 are formed on both side surfaces of the terminal body 132 in the length direction, and the first clamping points 1123 are clamped with the terminal body through holes 1142.

[0074] It can be understood that the widths of the welding portion 131, the terminal body 132, and the contact portion 133 are all set to be the same, so that the overall width of the signal terminal 13 is the same, reducing signal loss during transmission, and thus improving the signal transmission rate of the electrical connector 10; the welding limiting groove 1141 is used to limit the welding portion 131, and the terminal body through hole 1142 is used to accommodate the terminal body 132. When inserting the circuit wiring 24, the circuit wiring 24 is elastically connected to the contact portion 133, and the contact groove serves as an avoidance space when the contact portion 133 is connected to the inserted wiring, so as to ensure the connection stability between the contact groove and the inserted wiring; a plurality of contacts are provided on the surface of the contact portion 133 facing away from the bottom plate 111, which can be two, three, etc., preferably two, so as to enhance the connection reliability between the signal terminal 13 and the inserted circuit wiring 24; a plurality of first locking points 1123 are provided on both side surfaces of the terminal body 132 in the length direction, and the number of the first locking points 1123 on both side surfaces can be set to 2, 3, etc. By providing the first locking points 1123 on the terminal body 132, the connection stability between the signal terminal 13 and the connector body 11 is effectively improved; by providing the welding limiting groove 1141, the terminal body through hole 1142, and the contact groove on the connector body 11, and by providing a plurality of first locking points 1123 on the terminal body 132, the connection stability between the signal terminal 13 and the connector body 11 is effectively improved, thereby ensuring the connection stability between the signal terminal 13 and the inserted circuit wiring 24, and further ensuring the connection reliability of the electrical connector 10 to the inserted circuit wiring 24.

[0075] Specifically, several of the signal terminals 13 further include at least one detection terminal, and the overall length of the detection terminal is less than that of the other signal terminals 13. By providing the detection terminal, it is used to cooperate with the customer software to detect the inserted circuit wiring 24, detect whether the circuit wiring 24 is inserted in place and inserted reversely, and thus effectively ensure the connection reliability between the electrical connector 10 and the inserted circuit wiring 24.

[0076] Please refer to Figure 4 and Figure 12 In the second embodiment of the present invention, a display device main board 20 is provided, and the display device main board 20 includes: several electrical connectors 10, a PCB board 21, and several circuit wirings 24 as described in any of the above embodiments; several PIN pins 22 and ground pins 23 are provided on the PCB board 21; several of the circuit wirings 24 are inserted into the electrical connectors 10 and are electrically connected to the electrical connectors 10; wherein, the electrical connectors 10 are electrically connected to the PCB board 21, and an avoidance notch 25 is provided on the connector body 11 corresponding to the ground pin 23.

[0077] It can be understood that the electrical connector 10 is provided in the main board 20 of the display device, so that the overall structural strength of the main board 20 of the display device provided with the electrical connector 10 is high, and it can provide effective protection for the connection circuit; by providing a plurality of PIN feet 22 and ground feet 23 on the PCB board 21, and providing an avoidance notch 25 at the position of the connector body 11 corresponding to the ground feet 23, the PCB board 21 can support electrical connectors 10 with different PIN numbers, thereby saving the preparation time, cost and production switching time of different PIN numbers, effectively improving production efficiency and saving costs. At the same time, the main board 20 of the display device can be compatible with circuit wiring harnesses 24 with different PIN numbers only by replacing the electrical connector 10 with different numbers of signal terminals 13, thereby effectively increasing the applicable range of the main board 20 of the display device.

[0078] In summary, the present invention provides an electrical connector and a main board of a display device. The electrical connector is used for electrically connecting two circuits. The electrical connector includes: a connector body; a plurality of signal terminals, and the plurality of signal terminals are arranged at intervals along the length direction on the connector body; a metal shell, the metal shell is arranged on the connector body, and a wiring harness hook is arranged at the end of the metal shell along the length direction for fixing the circuit wiring harness inserted into the connector body. It can be understood that by providing a metal shell on the connector body, the connector body is covered by the metal shell, which not only enhances the structural strength of the electrical connector, but also can provide electromagnetic interference protection for a plurality of signal terminals, so that the signal terminals only transmit signals, ensuring the signal transmission efficiency and signal stability of the electrical connector; at the same time, by providing the wiring harness hook on the metal shell, the metal shell replaces the existing lid structure to fix the circuit wiring harness in the electrical connector, realizing the direct insertion method of the electrical connector to fix the connection circuit, effectively reducing the space occupied by the electrical connector.

[0079] It should be understood that the application of the present invention is not limited to the above examples. For those of ordinary skill in the art, improvements or changes can be made according to the above description. All these improvements and changes should fall within the protection scope of the appended claims of the present invention.

Claims

1. An electrical connector for electrically connecting two circuits, characterized in that, include: Connector body; A plurality of signal terminals, wherein the plurality of signal terminals are spaced apart along the length direction on the connector body; A metal shell, the metal shell being disposed on the connector body, and having a cable hook disposed at an end portion of the metal shell along the length direction for fixing a circuit cable inserted into the connector body; The connector body includes a top plate; The metal housing includes a top shell; The top shell includes: a top shell body; The top plate is provided with cable hook grooves at both ends along the length direction; The cable hook includes an L-shaped vertical portion and a hook limiting portion, one end of the vertical portion facing away from the hook limiting portion is connected to the top shell body, and the vertical portion is slidably connected to the cable hook slot; A limit stopper is provided at one end of the hook limiting portion away from the vertical portion; The surface of the limit block facing the notch of the cable slot is set as a guiding inclined surface, and the surface of the limit block facing the bottom of the cable slot is set as a vertical surface; By connecting the vertical portion to the top shell body, the top shell body is pressed downward to drive the hook limit portion downward, so that the hook limit portion is separated from the inserted circuit cable; The signal terminals further include at least one detection terminal, and the overall length of the detection terminal is smaller than that of the other signal terminals.

2. The electrical connector according to claim 1, wherein, The connector body further includes: a bottom plate, and a first side plate, a second side plate, and a third side plate sequentially connected between the top plate and the bottom plate; The first side plate and the third side plate are respectively arranged at both ends of the bottom plate in the length direction, and the second side plate is arranged at one end of the bottom plate in the width direction; Among them, several signal terminals are arranged on the second side panel at intervals along the length direction, and the bottom panel, top panel, first side panel, second side panel and third side panel are surrounded by a cable slot; the bottom panel is provided with a hook avoidance notch at the position corresponding to the cable hook slot, and the cable hook is connected to the cable hook slot.

3. The electrical connector according to claim 2, wherein The metal housing further comprises: A bottom shell, and a first side shell and a second side shell connected to both ends of the bottom shell in a length direction; The bottom shell is arranged on the surface of the bottom plate facing away from the top plate, the top shell is arranged on the surface of the top plate facing away from the bottom plate, the first side shell is arranged on the surface of the first side plate facing away from the third side plate, and the second side shell is arranged on the surface of the third side plate facing away from the first side plate; Wherein, the cable hooks are arranged on both ends of the top shell along the length direction.

4. The electrical connector according to claim 3, wherein, The top shell also includes: Cable hooks are provided on both ends of the top shell body along the length direction; a first bottom shell connecting portion, the first bottom shell connecting portion being disposed on one end of the top shell body; a second bottom shell connecting portion, the second bottom shell connecting portion being disposed on the other end of the top shell body; The first bottom shell connecting portion and the second bottom shell connecting portion are used to connect the top shell body and the bottom shell.

5. The electrical connector according to claim 3, wherein: A plurality of supporting springs are provided on a side of the bottom shell close to the second side plate, and the supporting springs are arranged in a J-shape; a plurality of spring receiving grooves are provided on the surface of the bottom plate facing the top plate along the width direction, and the plurality of spring receiving grooves are spaced apart along the length direction; wherein the supporting springs are slidably connected to the spring receiving grooves; A plurality of body latches are arranged at intervals along the length direction on the side of the bottom shell away from the second side plate; a plurality of body latch holes are opened on the bottom plate along the width direction, and the plurality of body latch holes are arranged at intervals along the length direction; wherein, latch points are provided on both side surfaces of the end of the body latch away from the bottom shell, and the latch points are engaged with the hole walls of the body latch holes.

6. The electrical connector according to claim 3, wherein: The cross-sections of the first side shell and the second side shell are both L-shaped, and the first side shell and the second side shell are both provided with a fixing spring and a grounding plate; The first side plate and the third side plate are both provided with sliding grooves, and the bottoms of the sliding grooves are both provided with spring blockers.

7. The electrical connector according to any one of claims 2 to 6, characterized in that: The signal terminal comprises a welding portion, a terminal body and a contact portion which are sequentially arranged in a Z-shape, wherein the contact portion is bent at one end away from the terminal body; A plurality of welding limit grooves are provided on the outer surface of the second side plate in the width direction at intervals along the length direction; a plurality of terminal body through holes are provided on the side of the second side plate close to the top plate at intervals along the length direction; a plurality of contact grooves are provided on the surface of the top plate facing the bottom plate; the welding portion is clamped in the welding limit groove, the terminal body is arranged in the terminal body through hole, and the contact portion is arranged in the contact groove; wherein, a plurality of first clamping points are provided on both side surfaces of the terminal body in the length direction, and the first clamping points are clamped with the terminal body through holes.

8. A main board of a display device, characterized in that, include: Several electrical connectors according to any one of claims 1 to 7; A PCB board, wherein the PCB board is provided with a plurality of PIN pins and a ground pin; a plurality of circuit cables, the plurality of circuit cables being inserted into the electrical connector and electrically connected to the electrical connector; The electrical connector is electrically connected to the PCB board, and a clearance notch is provided on the connector body corresponding to the grounding pin.

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