A connector

Abstract

A connector includes a wire end connector and a board end connector. The wire end connector has an embedded FPC circuit board, and pressing cantilevers are provided on both sides of the wire end connector and stop protrusions are fixed at the ends thereof; the board end connector is fixedly connected to a PCB circuit board, and torsion springs are provided on both sides of the board end connector, and the torsion springs include a stop portion and a release portion extending to the inner and outer sides of the board end connector respectively. When the wire end connector is inserted into the board end connector, the stop protrusion opens the stop portion; when the wire end connector is installed in place in the board end connector, the stop portion abuts against the stop protrusion to keep the FPC circuit board and the PCB circuit board electrically connected; when the pressing cantilever is squeezed, the stop portion moves to the outside of the board end connector until it is disengaged from the stop protrusion, and the wire end connector is separated from the board end connector. The utility model optimizes the connection method of the wire end connector and the board end connector by changing the structures of the two, so as to simultaneously improve the connection reliability and disassembly convenience of the connector.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical connection, in particular to a connector. Background Art

[0002] FPC (Flexible Printed Circuit) circuit board is a flexible circuit board, and PCB (Printed Circuit Board) circuit board is a rigid circuit board. Among them, FPC circuit board uses a flexible substrate, which is composed of multiple layers of thin film materials. It is flexible, thin, and has good bending performance. It is often used in mobile phones, touch screens, hard disks, LCDs and other electronic products that require bending performance. In contrast, PCB circuit boards use rigid substrates, usually composed of paper, resin, glass fiber and other materials. They are not easy to bend and deform, and are mainly used for circuit assembly in electronic equipment. In general, in practical applications, FPC circuit boards and PCB circuit boards each have different advantages and disadvantages and usage characteristics. Some electronic devices need to combine FPC circuit boards and PCB circuit boards to meet complex application scenarios.

[0003] The FPC circuit board and the PCB circuit board are connected together through a connector, and the connector includes a male connector and a female connector. The male connector is connected to the FPC circuit board, and the female connector is connected to the PCB circuit board. This type of connector still has shortcomings. For example, the male connector and the female connector are connected by a plug-in type, but due to the limitations of existing technologies, this connection method is difficult to take into account both connection reliability and ease of assembly and disassembly. Therefore, how to simultaneously improve the connection reliability and ease of assembly and disassembly of the connector is a technical problem that technicians in this field need to solve. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a connector that optimizes the connection method between the wire end connector and the board end connector of the connector, thereby solving the technical problem that it is difficult for existing connectors to simultaneously improve connection reliability and ease of assembly and disassembly.

[0005] To achieve the above object, the utility model provides a connector, comprising:

[0006] The wire end connector has an embedded FPC circuit board, and pressing cantilevers are provided on both sides of the wire end connector and a stop protrusion is fixed at the end thereof;

[0007] A board-end connector is fixedly connected to a PCB circuit board, and torsion springs are arranged on both sides of the board-end connector, and the torsion springs include a stop portion and a release portion extending to the inner and outer sides of the board-end connector respectively;

[0008] When the wire end connector is inserted into the board end connector, the stop protrusion opens the stop portion toward the outside of the board end connector, and the release portion moves toward the inside of the board end connector to move away from the pressing cantilever;

[0009] When the line-end connector is installed in place in the board-end connector, the stop protrusion is offset from the stop portion, the torsion spring recovers its elastic deformation, and the stop portion moves toward the inside of the board-end connector until it abuts against the stop protrusion to keep the FPC circuit board and the PCB circuit board electrically connected;

[0010] When the cantilever is squeezed and pressed, the cantilever is pressed to squeeze the release portion, and the stop portion moves toward the outside of the board end connector until it is separated from the stop protrusion, and the line end connector is separated from the board end connector.

[0011] Preferably, a plug-in groove is formed in the board-end connector, and a plug-in protrusion is formed on the outer surface of the wire-end connector, and the plug-in groove is plug-matched with the plug-in protrusion; along the plug-in direction of the wire-end connector, a stop gap is formed between the plug-in protrusion and the stop protrusion; when the wire-end connector is installed in place in the board-end connector, the stop portion moves toward the interior of the board-end connector until it enters the stop gap.

[0012] Preferably, a plurality of guide ribs are integrally formed on the surface of the plug-in protrusion, a plurality of guide grooves are formed on the inner side wall of the plug-in groove, and all the guide ribs correspond to all the guide grooves in a one-to-one manner to guide the wire-end connector to be inserted into the board-end connector.

[0013] Preferably, a limit baffle is integrally fixed to the end of the wire end connector exposed outside the plug-in groove, and the limit baffle is used to abut against the groove edge of the plug-in groove to prevent the wire end connector from completely drilling into the plug-in groove; both ends of the limit baffle are respectively integrally provided with pressing cantilevers, and a pressing gap is formed between the corresponding pressing cantilever and the plug-in protrusion.

[0014] Preferably, the wire end connecting body of the wire end connector includes a left upper ridge and a right upper ridge arranged in parallel, and the stop protrusion includes a left protrusion integrally formed at the end of the left upper ridge and a right protrusion integrally formed at the end of the right upper ridge; a plurality of abutment protrusions abutting against the inner side surface of the plug-in groove are formed at the end of the wire end connector, and all the abutment protrusions are evenly distributed between the left protrusion and the right protrusion.

[0015] Preferably, a plurality of terminal slots are formed in the wire end connector, and a plurality of wire clamping terminals fixedly connected to the PCB circuit board are fixed in the board end connector; when the wire end connector is inserted into the board end connector, all the wire clamping terminals pass through all the terminal slots one by one until all the wire clamping terminals clamp all the conductive circuits of the FPC circuit board one by one.

[0016] Preferably, the end of each conductive circuit is bent and overlapped to form a conductive portion; each clamping terminal includes an upper clamping body and a lower clamping body arranged opposite to each other, and clamping protrusions are formed on opposite sides of the upper clamping body and the lower clamping body respectively; a clamping opening for clamping the conductive portion is formed between the two oppositely arranged clamping protrusions, and the width of the clamping opening is smaller than the thickness of the conductive portion.

[0017] Preferably, a flexible cable groove is formed in the wire end connector, and the flexible cable groove is used to accommodate the FPC circuit board; a snap-in protrusion is fixed in the flexible cable groove, and a snap-in groove is formed on the FPC circuit board; when the FPC circuit board is inserted into the flexible cable groove, the snap-in protrusion cooperates with the snap-in groove.

[0018] Preferably, the board end connector comprises:

[0019] The insulating shell has two opposite sides respectively provided with a fixing slot and a positioning groove;

[0020] The positioning connecting plates include two of them, one end of each positioning connecting plate is fixedly connected to the PCB circuit board and the other end is mounted in a fixed slot, the fixed slot is used to limit the movement of the positioning connecting plate along the thickness direction of the insulating shell; each positioning connecting plate is provided with a positioning spring sheet, the positioning spring sheet extends toward the inner side of the insulating shell until it abuts against the positioning groove, the positioning groove is used to limit the movement of the positioning connecting plate along the length direction of the insulating shell.

[0021] Preferably, each positioning connection plate includes a first connection edge and a second connection edge which are vertically arranged and selectively fixedly connected to the PCB circuit board; when the first connection edge is fixedly connected to the PCB circuit board, the board end connection head is parallel to the PCB circuit board; or, when the second connection edge is fixedly connected to the PCB circuit board, the board end connection head is perpendicular to the PCB circuit board.

[0022] Compared with the background technology, the utility model provides an optimization of the connection method between the wire end connector and the board end connector of the connector, and pressing cantilevers are provided on both sides of the wire end connector and stop protrusions are fixed at their ends; torsion spring plates are provided on both sides of the board end connector, and the torsion spring plates include a stop portion and a release portion extending to the inner and outer sides of the board end connector respectively, that is, in a natural state, the stop portion extends to the inside of the board end connector, and the release portion extends to the outside of the board end connector.

[0023] When the wire end connector is inserted into the board end connector, the stop protrusion at the end of the wire end connector enters the board end connector first, and the stop protrusion opens the stop portion, that is, the stop portion moves toward the outside of the board end connector, and the torsion spring is torsionally deformed. At the same time, the release portion of the torsion spring moves toward the inside of the board end connector, and the release portion moves away from the pressing cantilever to prevent the release portion from hindering the insertion of the wire end connector into the board end connector.

[0024] When the wire end connector is installed in place in the board end connector, the stop protrusion is offset from the stop portion, the torsion spring recovers its elastic deformation, and the stop portion moves toward the inside of the board end connector until the stop portion abuts against the stop protrusion to prevent the wire end connector from detaching from the board end connector, ensuring that the FPC circuit board and the PCB circuit board maintain reliable electrical connection, thereby improving the connection reliability between the wire end connector and the board end connector.

[0025] When the cantilever is squeezed and pressed, the cantilever is pressed to squeeze the release part, and the release part moves toward the inside of the board-end connector, and the torsion spring is twisted and deformed again, and the stop part moves toward the outside of the board-end connector accordingly, until the stop part is separated from the stop protrusion, and the wire-end connector is separated from the board-end connector. The connector can be disassembled by squeezing with fingers, which is convenient to disassemble and effectively improves the convenience of disassembly and assembly between the wire-end connector and the board-end connector.

[0026] Therefore, the utility model optimizes the connection mode of the line-end connector and the board-end connector by changing their structures, so as to improve the connection reliability and the convenience of assembly and disassembly of the connector at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0028] Figure 1 A diagram showing the connection state of a line-end connector and a board-end connector of a connector provided by a specific embodiment of the utility model;

[0029] Figure 2 for Figure 1 A longitudinal cross-sectional view of

[0030] Figure 3 for Figure 1 A transverse cross-sectional view of

[0031] Figure 4 A diagram showing the separation state of a line end connector and a board end connector of a connector provided by a specific embodiment of the utility model;

[0032] Figure 5 for Figure 1 Axonometric view of the midline end connector;

[0033] Figure 6 for Figure 5 Another axonometric view of

[0034] Figure 7 for Figure 5 A longitudinal cross-sectional view of

[0035] Figure 8 for Figure 1 Axonometric view of the FPC circuit board;

[0036] Fig. 9 for Figure 8 A structural diagram of the conductive portion of the conductive circuit;

[0037] Fig.10 for Figure 1 The state diagram of the middle board end connector being connected in parallel with the PCB circuit board;

[0038] Fig.11 for Figure 1 Axonometric view of the mid-plate end connector;

[0039] Fig.12 for Fig.11 Another axonometric view of

[0040] Fig.13 for Fig.11 Exploded diagram of

[0041] Fig.14 for Fig.11 Assembly drawing of the middle insulating housing and terminal fixing plate;

[0042] Fig.15 for Fig.11 Axonometric view of the center clamp terminal;

[0043] Fig.16 for Fig.11 Axonometric view of the center positioning connecting plate;

[0044] Fig.17 for Fig.11 Axonometric view of the PCB circuit board;

[0045] Fig.18 for Figure 1 A diagram showing the state where the mid-board connector is vertically connected to the PCB.

[0046] The reference numerals are as follows:

[0047] A line terminal connector 100, an FPC circuit board 200, a board terminal connector 300 and a PCB circuit board 400;

[0048] The pressing cantilever 101, the stop protrusion 102, the plugging protrusion 103, the stop gap 104, the guide rib 105, the limit baffle 106, the pressing gap 107, the wire end connecting body 108, the abutting protrusion 109, the terminal slot 110, the flexible flat cable slot 111 and the clamping protrusion 112;

[0049] A left protrusion 1021 and a right protrusion 1022;

[0050] An upper left ridge 1081 and an upper right ridge 1082;

[0051] A partition plate 1101 and an inner partition plate 1102;

[0052] Conductive circuit 201 and snap-in groove 202;

[0053] Conductivity Department 2011;

[0054] Insertion groove 301, guide groove 302, clamping terminal 303, insulating shell 304, positioning connection plate 305 and terminal fixing plate 306;

[0055] An upper clamp body 3031, a lower clamp body 3032, a clamping protrusion 3033, a clamping opening 3034, a positioning protrusion 3035 and an extended contact 3036;

[0056] A fixed card slot 3041, a positioning groove 3042, an upper card plate 3043, a lower inner card plate 3044 and a lower outer card plate 3045;

[0057] The torsion spring piece 3051, the positioning spring piece 3052, the first connecting edge 3053, the second connecting edge 3054, the connecting spring piece 3055 and the avoidance through hole 3056;

[0058] A stop portion 30511 and a release portion 30512;

[0059] Side end boss 3061;

[0060] Connect contacts 401 and position wires 402 . DETAILED DESCRIPTION

[0061] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0062] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0063] The utility model discloses a connector, including a line end connector 100 and a board end connector 300. Figures 1 to 4As shown, the line end connector 100 is embedded with the inherent FPC circuit board 200, and the board end connector 300 is fixedly connected with the PCB circuit board 400. When the line end connector 100 and the board end connector 300 are plugged and connected, the FPC circuit board 200 and the PCB circuit board 400 are electrically connected.

[0064] As attached Figures 1 to 4 As shown, pressing cantilevers 101 are provided on both sides of the wire end connector 100 and stop protrusions 102 are fixed at the ends thereof. The pressing cantilever 101 is provided at one end of the wire end connector 100 exposed from the board end connector 300, and the stop protrusion 102 is provided at one end of the wire end connector 100 inserted into the board end connector 300, that is, the pressing cantilever 101 and the stop protrusion 102 are provided at both ends of the wire end connector 100, respectively. Both pressing cantilevers 101 of the wire end connector 100 are elastic, and in a natural state, the two pressing cantilevers 101 are parallel to each other; when fingers press the two pressing cantilevers 101 toward each other, the two pressing cantilevers 101 can approach each other along the width direction of the wire end connector 100.

[0065] The two sides of the board end connector 300 are provided with torsion springs 3051, as shown in the attached Fig.16 As shown, two opposite sides of the torsion spring piece 3051 are respectively provided with connecting spring pieces 3055 in an integrated manner, and the two connecting spring pieces 3055 are arranged in a colinear manner, so that the torsion spring piece 3051 is twisted around the two connecting spring pieces 3055. The torsion spring piece 3051 includes a stop portion 30511 and a release portion 30512 extending to the inner and outer sides of the board end connector 300 respectively, and the stop portion 30511 and the release portion 30512 are respectively located at two ends of the torsion spring piece 3051. In a natural state, the stop portion 30511 extends to the inside of the board end connector 300, and the release portion 30512 extends to the outside of the board end connector 300.

[0066] When the wire end connector 100 is inserted into the board end connector 300, the stop protrusion 102 at the end of the wire end connector 100 first enters the board end connector 300, and the stop protrusion 102 opens the stop portion 30511, that is, the stop portion 30511 moves toward the outside of the board end connector 300, and the torsion spring 3051 is twisted and deformed. At the same time, the release portion 30512 of the torsion spring 3051 moves toward the inside of the board end connector 300, and the release portion 30512 moves away from the pressing cantilever 101 to prevent the release portion 30512 from hindering the wire end connector 100 from being inserted into the board end connector 300.

[0067] When the line end connector 100 is installed in place in the board end connector 300, as shown in the attached Figure 1As shown, the stop protrusion 102 is staggered with the stop portion 30511, the torsion spring 3051 recovers its elastic deformation, and the stop portion 30511 moves toward the inside of the board-end connector 300 until the stop portion 30511 abuts against the stop protrusion 102, so as to prevent the line-end connector 100 from being separated from the board-end connector 300, thereby ensuring that the FPC circuit board 200 and the PCB circuit board 400 are reliably electrically connected, so as to improve the connection reliability between the line-end connector 100 and the board-end connector 300.

[0068] When the cantilever 101 is squeezed and pressed, the cantilever 101 is pressed to squeeze the release portion 30512, and the release portion 30512 moves toward the inside of the board end connector 300, and the torsion spring 3051 is twisted and deformed again, and the stop portion 30511 moves toward the outside of the board end connector 300 accordingly, until the stop portion 30511 is separated from the stop protrusion 102, and the wire end connector 100 is separated from the board end connector 300, as shown in the attached figure. Figure 4 As shown, the connector can be disassembled by squeezing with fingers, which is convenient for disassembly and effectively improves the convenience of disassembly and assembly between the line end connector 100 and the board end connector 300.

[0069] In summary, the present invention optimizes the connection method between the wire-end connector 100 and the board-end connector 300 by changing the structures of the wire-end connector 100 and the board-end connector 300, so as to improve the connection reliability and assembly and disassembly convenience of the connector at the same time.

[0070] The board end connector 300 has a plug-in groove 301 formed therein. Figure 4 As shown, the outer surface of the wire end connector 100 is formed with a plugging protrusion 103, and the plugging groove 301 is plugged with the plugging protrusion 103 to connect the wire end connector 100 and the board end connector 300. The wire end connector 100 includes a wire end connector body 108, and the plugging protrusion 103 is convexly arranged on the surface of the wire end connector body 108, that is, the plugging protrusion 103 is arranged higher than the wire end connector body 108, but the length of the wire end connector body 108 is less than the length of the plugging protrusion 103, so as to reserve space for the formation of the stop gap 104.

[0071] As attached Figure 1 and 2As shown, a stop gap 104 is formed between the plug-in protrusion 103 and the stop protrusion 102 along the plug-in direction of the line end connector 100. The stop gap 104 can reserve a certain space for the stop portion 30511 to recover part of its elastic deformation when the line end connector 100 is installed in place. When the wire end connector 100 is installed in place in the board end connector 300, the stop portion 30511 moves toward the inside of the board end connector 300 along the width direction of the wire end connector 100 until the stop portion 30511 enters the stop gap 104 due to the recovery of part of the elastic deformation, and the stop portion 30511 abuts against the end surface of the stop protrusion 102, and the stop portions 30511 on both sides of the board end connector 300 can also clamp the wire end connector 100 along the width direction of the wire end connector 100 to a certain extent, so that the stop gap 104 effectively prevents the wire end connector 100 from being separated from the board end connector 300, ensuring that the wire end connector 100 and the board end connector 300 are reliably connected. Specifically, the stop gap 104 is formed by the thickness difference between the stop protrusion 102 and the plug protrusion 103 and the surface of the wire end connector 100.

[0072] The surface of the plug-in protrusion 103 is integrally formed with a plurality of guide ribs 105, as shown in the attached Figure 5 As shown, the inner side wall of the insertion groove 301 is formed with a plurality of guide grooves 302. Fig.12 As shown, all guide ribs 105 correspond one-to-one with all guide grooves 302 to guide the wire end connector 100 to be inserted into the board end connector 300, and can also provide an identification for the user when the wire end connector 100 is inserted, so as to facilitate the fast and accurate insertion of the wire end connector 100 into the board end connector 300, and ensure that all clamping terminals 303 can accurately clamp all conductive circuits 201 one-to-one, so as to avoid the wire end connector 100 shifting during the insertion process, which makes the corresponding clamping terminal 303 and the conductive circuit 201 unreliable.

[0073] Specifically, four guide ribs 105 are evenly distributed along the width direction of the plug-in protrusion 103, wherein two shorter guide ribs 105 are arranged between two longer guide ribs 105, and each guide rib 105 is preferably a rectangular protrusion convexly arranged on the surface of the plug-in protrusion 103. Of course, the setting positions of the guide ribs 105 and the guide grooves 302 are interchanged, or the shapes and the number of the two are changed, such as cylindrical protrusions, or the guide ribs 105 are arranged in the plug-in grooves 301 and the guide grooves 302 are arranged in the plug-in protrusions 103, which still does not affect the purpose of the present utility model.

[0074] As attached Figure 5 and 6As shown, a limit baffle 106 is integrally fixedly provided at one end of the wire end connector 100 exposed outside the plug-in groove 301, that is, the limit baffle 106 is arranged on the end surface of the wire end connector 100 away from the board end connector 300, and the limit baffle 106 is used to abut against the groove edge of the plug-in groove 301 to prevent the wire end connector 100 from completely drilling into the plug-in groove 301, which can reduce the plugging and unplugging resistance of the wire end connector 100 on the inner side of the board end connector 300 to a certain extent, and can facilitate the user to hold the wire end connector 100 for plugging and unplugging, thereby preventing the wire end connector 100 from being completely transferred into the plug-in groove 301 and pulling off the FPC circuit board 200 during disassembly.

[0075] As attached Figure 5 and 6 As shown, the two ends of the limit baffle 106 are respectively provided with a pressing cantilever 101 in an integrated vertical manner, and the pressing cantilever 101 extends along the length direction of the wire end connector 100, but the length of the pressing cantilever 101 is less than the length of the wire end connector 100. The pressing cantilever 101 and the limit baffle 106 are smoothly connected through a rounded plate, and the thickness of the rounded plate is less than the thickness of both the pressing cantilever 101 and the limit baffle 106, so that the rounded plate provides elastic force for the swing of the pressing cantilever 101. It should be noted that in order to improve the mechanical strength of the pressing cantilever 101, a cross-shaped rib is provided on the surface of each pressing cantilever 101 to increase the strength of the pressing cantilever 101 and prevent the pressing cantilever 101 from being broken. For one side of the wire end connector 100, a pressing gap 107 is formed between the corresponding pressing cantilever 101 and the plugging protrusion 103, providing a certain space for the pressing cantilever 101 to swing along the width direction of the wire end connector 100. The width of the pressing gap 107 can be set according to design requirements and is not specifically limited here.

[0076] The cross-sectional shape of the wire end connection body 108 of the wire end connector 100 is rectangular, and the wire end connection body 108 includes a left upper ridge 1081 and a right upper ridge 1082 arranged in parallel. Figure 5 As shown, the stopper protrusion 102 includes a left protrusion 1021 integrally formed at the end of the upper left ridge 1081 and a right protrusion 1022 integrally formed at the end of the upper right ridge 1082, that is, the left protrusion 1021 is convexly arranged at the front end of the upper left ridge 1081, and the right protrusion 1022 is convexly arranged at the front end of the upper right ridge 1082. Figure 1 Obviously, the stop protrusion 102 is not a continuous structure, but a segmented structure, which can reduce the contact area between the stop protrusion 102 and the plug-in groove 301, thereby increasing the friction between the stop protrusion 102 and the plug-in groove 301, thereby reducing the plug-in resistance of the wire end connector 100, avoiding excessive plug-in resistance of the wire end connector 100, and facilitating plug-in and pull-out.

[0077] Furthermore, as attached Figure 5 and 6 As shown, in order to prevent the plugging and unplugging resistance between the wire end connector 100 and the end plate connector from being too small, a plurality of abutting protrusions 109 are formed at the end of the wire end connector 100. When the wire end connector 100 is inserted into the board end connector 300, all the abutting protrusions 109 abut against the inner side of the plugging groove 301 to increase the plugging and unplugging resistance of the wire end connector 100 and avoid the plugging and unplugging resistance of the wire end connector 100 being too small. All the abutting protrusions 109 are evenly distributed between the left protrusion 1021 and the right protrusion 1022 to ensure that the end of the wire end connector 100 is evenly stressed during the plugging and unplugging process. Specifically, the front end of the wire end connector body 108 is convexly provided with three abutting protrusions 109, and the thickness of the three abutting protrusions 109 is equal to the thickness of the two stop protrusions 102.

[0078] As attached Figure 5 As shown, a plurality of terminal slots 110 are formed in the line end connector 100 for passing the clamping terminal 303. Specifically, a front end jack is provided at the front end of the flexible cable slot 111 of the line end connector 100, and a plurality of partition blocks are fixedly provided in parallel in the front end jack. Each partition plate 1101 is vertically connected to the upper and lower sides of the front end jack, and the distance between any two adjacent partition plates 1101 is equal, so that the front end jack is divided into a plurality of partition slots of equal width, and each partition slot has an inner partition plate 1102, which divides each partition slot into two, so that two terminal slots 110 of equal width are formed in the partition slot. It should be particularly noted that the inner partition 1102 is a segmented structure, and the inner partition 1102 includes an upper partition vertically connected to the upper side of the partition slot and a lower partition vertically connected to the lower side of the partition slot, the upper partition and the lower partition are opposite to each other, and a gap of a certain size is left between the upper partition and the lower partition, so that the terminal slot 110 where each wire clamping terminal 303 is located is not a hole groove structure with a completely closed outer side, but a gap of a certain size is opened on the side of each terminal slot 110, thereby reducing the plugging and unplugging resistance of the wire clamping terminal 303 in each terminal slot 110, facilitating the disassembly and assembly of the wire clamping terminal 303, and can also reduce the difficulty of one-piece molding of the wire end connector 100 to a certain extent, effectively reducing the difficulty of processing the wire end connector 100.

[0079] A plurality of clamping terminals 303 are fixedly arranged in the board end connector 300. The clamping terminals 303 are made of conductive material. All the clamping terminals 303 are arranged in parallel and are fixedly connected to the PCB circuit board 400 at one end. Fig.14As shown, one end of the board end connector 300 is provided with a terminal fixing plate 306, and the terminal fixing plate 306 is provided with a plurality of terminal fixing holes, and all the clamping terminals 303 are fixed in all the terminal fixing holes one by one. One end of each clamping terminal 303 is inserted into the plug-in groove 301, and the other end thereof is exposed outside the plug-in groove 301. Fig.15 As shown, the two opposite sides of the end of the clamping terminal 303 exposed outside the plug-in groove 301 are respectively formed with a positioning protrusion 3035 and an extension contact 3036, both of which extend along the width direction of the clamping terminal 303, and both of which abut against the edge of the terminal fixing hole to prevent the clamping terminal 303 from being completely drilled into the terminal fixing hole. In addition, the extension contact 3036 is perpendicular to the PCB circuit board 400, and the extension contact is welded to the connection contact 401 of the PCB circuit board 400, so that the clamping terminal 303 is electrically connected to the PCB circuit board 400.

[0080] As attached Fig.15 As shown, the clamping terminal 303 is inserted into the plug-in groove 301 with one end having a fork-shaped structure. When the wire-end connector 100 is inserted into the board-end connector 300, all the clamping terminals 303 pass through all the terminal slots 110 one by one until all the clamping terminals 303 clamp all the conductive circuits 201 of the FPC circuit board 200 one by one, so that the clamping terminals 303 are connected to the conductive circuits 201, thereby making each connection contact 401 of the PCB circuit board 400 and each conductive circuit 201 of the FPC circuit board 200 electrically connected through each clamping terminal 303.

[0081] As attached Fig. 9 As shown, the ends of each conductive line 201 are bent and overlapped to form a conductive portion 2011. Fig.15As shown, each clamping terminal 303 includes an upper clamping body 3031 and a lower clamping body 3032 arranged opposite to each other, and clamping protrusions 3033 are formed on the opposite sides of the upper clamping body 3031 and the lower clamping body 3032, respectively. The clamping protrusions 3033 are preferably triangular protrusions. A clamping opening 3034 is formed between the clamping protrusions 3033 of the upper clamping body 3031 and the clamping protrusions 3033 of the lower clamping body 3032, and the clamping opening 3034 is used to clamp the conductive part 2011, so that the upper and lower sides of the end of the conductive circuit 201 are electrically connected to the upper clamping body 3031 and the lower clamping body 3032 of the clamping terminal 303, respectively, to increase the contact area between the conductive circuit 201 and the clamping terminal 303, and improve the connection reliability between the clamping terminal 303 and the FPC circuit board 200. The key point is that the width of the clamping opening 3034 is smaller than the thickness of the conductive part 2011. When the FPC circuit board 200 is inserted into the wire clamping terminal 303, both the upper clamping body 3031 and the lower clamping body 3032 are elastically deformed and move away from each other, thereby increasing the width of the clamping opening 3034. The clamping opening 3034 relies on the elastic force between the upper clamping body 3031 and the lower clamping body 3032 to clamp the conductive part 2011, further improving the connection reliability between the wire clamping terminal 303 and the FPC circuit board 200.

[0082] As attached Figure 6 and 7 As shown, a flexible flat cable groove 111 is formed in the line end connector 100, and the flexible flat cable groove 111 is used to accommodate the FPC circuit board 200. The width of the flexible flat cable groove 111 is determined by the thickness of the FPC circuit board 200, and is not specifically limited here. A snap-in protrusion 112 is fixed in the flexible flat cable groove 111, and a snap-in groove 202 is formed in the FPC circuit board 200; when the FPC circuit board 200 is inserted into the flexible flat cable groove 111, the snap-in protrusion 112 cooperates with the snap-in groove 202 to ensure that the line end connector 100 and the FPC circuit board 200 are reliably connected. It should be noted that the snap-in protrusion 112 is L-shaped, including a vertical section extending along the thickness direction of the line end connector 100 and a horizontal section extending along the length direction of the line end connector 100, and one side of the horizontal section is a snap-in structure and the other side is a planar structure. When the line-end connector 100 is connected to the board-end connector 300, the planar structure of the snap-fit ​​protrusion 112 abuts against the inner side surface of the plug-in groove 301, that is, the board-end connector 300 abuts against the snap-fit ​​protrusion 112 to prevent the snap-fit ​​protrusion 112 from being damaged when the FPC circuit board 200 is pulled back by external force.

[0083] As attached Figures 10 to 13As shown, the board end connector 300 is a split structure, and the board end connector 300 includes an insulating shell 304 and a positioning connecting plate 305. The two opposite sides of the insulating shell 304 are respectively provided with a fixing slot 3041 and a positioning groove 3042. The positioning connecting plate 305 includes two, and the two positioning connecting plates 305 are respectively inserted in parallel on the left and right sides of the insulating shell 304. Each positioning connecting plate 305 is made of a conductive material. One end of each positioning connecting plate 305 is fixedly connected to the PCB circuit board 400 and the other end is inserted in the fixing slot 3041 along the length direction of the board end connector 300. The fixing slot 3041 is used to limit the movement of the positioning connecting plate 305 along the thickness direction of the insulating shell 304. Each positioning connection plate 305 is provided with a positioning spring piece 3052, which extends toward the inner side of the insulating shell 304 until it abuts against the positioning groove 3042. The positioning groove 3042 is used to limit the movement of the positioning connection plate 305 along the length direction of the insulating shell 304. In this way, the fixed slot 3041 and the positioning groove 3042 work together to limit the positioning connection plate 305 from being separated from the board end connector 300, which makes it convenient to disassemble and assemble the positioning connection plate 305 and ensures that the positioning connection plate 305 is reliably fixed on the insulating shell 304.

[0084] Specifically, as attached Figures 11 to 14 As shown, taking the right side of the insulating shell 304 as an example, an upper side card plate 3043 is integrally provided at the top of the right side of the insulating shell 304, and the upper side card plate 3043 is parallel to the right side of the insulating shell 304, and a set distance is maintained between the upper side card plate 3043 and the right side of the insulating shell 304, so that an upper card slot is formed between the upper side card plate 3043 and the right side of the insulating shell 304, and the upper card slot is used to be clamped with the upper side edge of the positioning connecting plate 305. A lower side inner card plate 3044 and a lower side outer card plate 3045 are integrally provided at the bottom of the right side of the insulating shell 304, and the lower side inner card plate 3044 and the lower side outer card plate 3045 are parallel, and the lower side inner card plate 3044 is located on the inner side of the lower side outer card plate 3045, and a lower card slot is formed between the lower side inner card plate 3044 and the lower side outer card plate 3045, and the lower card slot is used to be clamped with the lower side edge of the positioning connecting plate 305. The lower inner clamping plate 3044 and the lower outer clamping plate 3045 are respectively fixed to the front and rear sides of the insulating housing 304, and the lengths of the lower inner clamping plate 3044 and the lower outer clamping plate 3045 are both shorter than the length of the insulating housing 304. A side end boss 3061 is formed at one end of the terminal fixing plate 306, and the side end boss 3061 extends along the width direction of the board end connector 300, and a positioning groove 3042 is formed between the side end boss 3061 and the lower inner clamping plate 3044.

[0085] As attached Fig.16As shown, each positioning connection plate 305 is further provided with a torsion spring piece 3051 , and the positioning connection plate 305 forms an avoidance through hole 3056 , and the torsion spring piece 3051 is integrated and fixed in the avoidance through hole 3056 , so that the torsion spring piece 3051 is twisted along the thickness direction of the positioning connection plate 305 .

[0086] Each positioning connection plate 305 includes a first connection edge 3053 and a second connection edge 3054 which are vertically arranged and selectively fixedly connected to the PCB circuit board 400, wherein the first connection edge 3053 is located on the front side of the positioning connection plate 305, and the second connection edge 3054 is the bottom side of the positioning connection plate 305. An extension protrusion is formed on the front side of the positioning connection plate 305, which is used to extend the length of the first connection edge 3053 and ensure that the lengths of the first connection edge 3053 and the second connection edge 3054 are equal. A positioning step is formed on the bottom side of the positioning connection plate 305, one side of the positioning step is the second connection edge 3054 and the other side thereof is inserted into the lower card slot. The positioning step is abutted against the end face of the lower side outer card plate 3045 to limit the insertion depth of the positioning connection plate 305. Specifically, the PCB circuit board 400 is provided with a positioning wire 402, as shown in the attached Fig.17 As shown, the first connecting edge 3053 or the second connecting edge 3054 is vertically connected to the positioning wire 402 by welding.

[0087] When the first connecting edge 3053 is fixedly connected to the PCB circuit board 400, the board end connector 300 is parallel to the PCB circuit board 400. Fig.10 Or, when the second connecting edge 3054 is fixedly connected to the PCB circuit board 400, the board end connector 300 is perpendicular to the PCB circuit board 400, as shown in the attached Fig.18 By changing the structure of the positioning connection plate 305, the board end connector 300 and the PCB circuit board 400 have two connection modes: parallel and vertical. It is convenient to flexibly select the connection mode between the board end connector 300 and the PCB circuit board 400 according to the installation space, so that the connector can adapt to different installation scenarios, the scope of use is increased, and the adaptability is improved.

[0088] It should be noted that, in this specification, relational terms such as first and second are merely used to distinguish one entity from other entities, but do not necessarily require or imply any actual relationship or order between these entities.

[0089] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A connector, characterized in that: include: A wire end connector (100) having an embedded FPC circuit board (200), wherein both sides of the wire end connector (100) are provided with pressing cantilevers (101) and the ends of the wire end connector (100) are fixedly provided with stop protrusions (102); A board end connector (300) is fixedly connected to a PCB circuit board (400), wherein torsion springs (3051) are provided on both sides of the board end connector (300), and the torsion springs (3051) comprise a stop portion (30511) and a release portion (30512) extending to the inner and outer sides of the board end connector (300) respectively; When the wire end connector (100) is inserted into the board end connector (300), the stop protrusion (102) pushes the stop portion (30511) toward the outside of the board end connector (300), and the release portion (30512) moves toward the inside of the board end connector (300) to move away from the pressing cantilever (101); When the wire end connector (100) is installed in place in the board end connector (300), the stop protrusion (102) and the stop portion (30511) are offset, the torsion spring (3051) recovers its elastic deformation, and the stop portion (30511) moves toward the inside of the board end connector (300) until it abuts against the stop protrusion (102) so that the FPC circuit board (200) and the PCB circuit board (400) maintain electrical connection; When the pressing cantilever (101) is pressed, the pressing cantilever (101) presses the releasing portion (30512), and the stopping portion (30511) moves toward the outside of the board-end connector (300) until it is disengaged from the stopping protrusion (102), and the wire-end connector (100) is separated from the board-end connector (300).

2. The connector according to claim 1, characterized in that: A plug-in groove (301) is formed in the board-end connector (300), and a plug-in protrusion (103) is formed on the outer surface of the wire-end connector (100), and the plug-in groove (301) is plug-fitted with the plug-in protrusion (103); along the plug-in direction of the wire-end connector (100), a stop gap (104) is formed between the plug-in protrusion (103) and the stop protrusion (102); when the wire-end connector (100) is installed in place in the board-end connector (300), the stop portion (30511) moves toward the inside of the board-end connector (300) until it enters the stop gap (104).

3. The connector according to claim 2, characterized in that: A plurality of guide ribs (105) are integrally formed on the surface of the plug-in protrusion (103), and a plurality of guide grooves (302) are formed on the inner side wall of the plug-in groove (301), and all of the guide ribs (105) and all of the guide grooves (302) are matched in a one-to-one correspondence to guide the wire-end connector (100) to be inserted into the board-end connector (300).

4. The connector according to claim 2, characterized in that: One end of the wire end connector (100) exposed outside the plug-in groove (301) is integrally fixedly provided with a limit baffle (106), and the limit baffle (106) is used to abut against the groove edge of the plug-in groove (301) to prevent the wire end connector (100) from completely drilling into the plug-in groove (301); the two ends of the limit baffle (106) are respectively integrally vertically provided with the pressing cantilever (101), and a pressing gap (107) is formed between the corresponding pressing cantilever (101) and the plug-in protrusion (103).

5. The connector according to claim 2, characterized in that: The wire end connection body (108) of the wire end connector (100) comprises a left upper ridge (1081) and a right upper ridge (1082) arranged in parallel, and the stop protrusion (102) comprises a left protrusion (1021) formed integrally at the end of the left upper ridge (1081) and a right protrusion (1022) formed integrally at the end of the right upper ridge (1082); a plurality of abutting protrusions (109) abutting against the inner side surface of the plug-in groove (301) are formed at the end of the wire end connector (100), and all of the abutting protrusions (109) are evenly distributed between the left protrusion (1021) and the right protrusion (1022).

6. The connector according to any one of claims 1 to 5, characterized in that: A plurality of terminal slots (110) are formed in the line end connector (100), and a plurality of wire clamping terminals (303) fixedly connected to the PCB circuit board (400) are fixedly arranged in the board end connector (300); when the line end connector (100) is inserted into the board end connector (300), all of the wire clamping terminals (303) pass through all of the terminal slots (110) one by one, until all of the wire clamping terminals (303) clamp all of the conductive circuits (201) of the FPC circuit board (200) one by one.

7. The connector according to claim 6, characterized in that: The end of each conductive circuit (201) is bent and overlapped to form a conducting portion (2011); each clamping terminal (303) comprises an upper clamping body (3031) and a lower clamping body (3032) arranged opposite to each other, and clamping protrusions (3033) are respectively formed on opposite sides of the upper clamping body (3031) and the lower clamping body (3032); a clamping opening (3034) for clamping the conducting portion (2011) is formed between the two clamping protrusions (3033) arranged opposite to each other, and the width of the clamping opening (3034) is smaller than the thickness of the conducting portion (2011).

8. The connector according to any one of claims 1 to 5, characterized in that: A flexible flat cable groove (111) is formed in the line end connector (100), and the flexible flat cable groove (111) is used to accommodate the FPC circuit board (200); a clamping protrusion (112) is fixedly provided in the flexible flat cable groove (111), and a clamping groove (202) is formed in the FPC circuit board (200); when the FPC circuit board (200) is inserted into the flexible flat cable groove (111), the clamping protrusion (112) cooperates with the clamping groove (202).

9. The connector according to any one of claims 1 to 5, characterized in that: The board end connector (300) comprises: An insulating housing (304), two opposite sides of which are respectively provided with a fixing slot (3041) and a positioning groove (3042); The positioning connecting plates (305) include two of them, one end of each of the positioning connecting plates (305) being fixedly connected to the PCB circuit board (400) and the other end being mounted in the fixing slot (3041), the fixing slot (3041) being used to limit the movement of the positioning connecting plate (305) along the thickness direction of the insulating shell (304); each of the positioning connecting plates (305) is provided with a positioning spring sheet (3052), the positioning spring sheet (3052) extending toward the inner side of the insulating shell (304) until it abuts against the positioning groove (3042), the positioning groove (3042) being used to limit the movement of the positioning connecting plate (305) along the length direction of the insulating shell (304).

10. The connector according to claim 9, characterized in that: Each of the positioning connection plates (305) comprises a first connection edge (3053) and a second connection edge (3054) which are arranged vertically and are selectively fixedly connected to the PCB circuit board (400); when the first connection edge (3053) is fixedly connected to the PCB circuit board (400), the board end connection head (300) is parallel to the PCB circuit board (400); or, when the second connection edge (3054) is fixedly connected to the PCB circuit board (400), the board end connection head (300) is perpendicular to the PCB circuit board (400).

Images