Electronic board card connector

Abstract

The utility model relates to an electronic board card connector, which comprises a base, a wiring terminal, a lock catch and soldering lugs arranged at the two end parts of the base in the X direction, when the electronic board card connector is assembled, the lock catch is arranged on a first groove of the base, the soldering lugs are arranged on the base, a second groove of each soldering lug and the first groove of the base form an installation position of a convex shaft of the lock catch, and the convex shaft of the lock catch is arranged in the installation position. Compared with a traditional mode that the convex shaft is limited in the base and needs to be installed in an interference mode, the electronic board card lock catch has the advantages that interference fit is not needed, assembly is convenient and fast, and the yield is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of connector, specifically relates to an electronic board connector. BACKGROUND

[0002] FPC (Flexible Print Circuit) is a new type of data cable which is produced by high-tech automatic equipment production line through insulating material and extremely thin tinned flat copper wire, has the advantages of soft, arbitrary bending and folding, thin thickness, small volume, simple connection, convenient disassembly, easy electromagnetic shielding (EMI) etc.

[0003] FFC (Flexible Flat Cable) has the advantages of small volume, high precision, convenient use, lightness, ultra-thin type, bending resistance, etc., and is widely used in the electrical connection of digital appliances such as mobile phones, DSCs, DVDs and security cameras.

[0004] The existing conventional connector for matching electronic board cards such as FPC and FFC is usually assembled by interference between the lock catch and the base to realize rotatable fixation of the lock catch on the base, such as setting protrusions at both ends of the lock catch in the X direction and setting limiting grooves matched with the protrusions on the base, after installation, the protrusions are located in the limiting grooves to prevent the lock catch from coming out of the base and ensure smooth rotation of the lock catch relative to the base, but the interference structure needs a lot of force to assemble the product in place during the installation process, and the lock catch / base is prone to breakage, so the assembly is difficult. TECHNICAL CONTENT

[0005] The utility model aims at overcoming the shortcomings and deficiencies of the prior art, and provides an electronic board connector which is convenient to assemble.

[0006] The technical scheme adopted by the utility model is as follows: an electronic board connector, comprising a base, a wiring terminal, a lock catch and a soldering sheet installed at both ends of the base in the X direction, one side of the base is provided with an insertion opening for inserting an electronic board wire, the other side of the base is arranged with a plurality of mounting holes at intervals, the wiring terminal comprises a plurality of terminal pins, the terminal pins are inserted into the corresponding mounting holes,

[0007] The lock catch comprises a lock catch body and protruding shafts at both ends of the lock catch body in the X direction,

[0008] The first recess is arranged at the both ends of the base X direction and extends to the base side surface, the second recess is arranged at the position corresponding to the first recess, and the convex shaft is radially limited between the first recess and the second recess. The lock body is rotationally connected to the base and has a first locking position for locking the electronic board card cable inserted into the insertion port and a first active position away from the electronic board card cable.

[0009] Preferably, the base includes a base body, shaft seat parts located at both sides of the base body in the X direction, and a solder piece mounting structure located between the base body and the shaft seat parts and connecting the two. The first recess is located on the shaft seat part, and the solder piece is inserted and fixed on the solder piece mounting structure.

[0010] Preferably, the solder piece mounting structure includes a first connecting block,

[0011] The second recess has an upper limiting groove for radially limiting the convex shaft and a lower insertion groove extending to the bottom end of the solder piece and matching the shape of the first connecting block in the Z direction. The solder piece is inserted into the base in the Z direction so that the lower insertion groove is inserted and matched with the first connecting block.

[0012] Preferably, the lower insertion groove is in communication with the upper limiting groove and gap-fitted with the first connecting block.

[0013] Preferably, the solder piece further includes a second insertion groove extending to the bottom end of the solder piece in the Z direction and distributed in the Y direction with the second recess, and the solder piece mounting structure further includes a second connecting block arranged corresponding to the second insertion groove and matching the shape. The solder piece is inserted into the base in the Z direction so that the second insertion groove is inserted and matched with the second connecting block, and the top end of the second insertion groove abuts against the top end of the second connecting block.

[0014] Preferably, the solder piece is provided with a tight-fitting protrusion protruding towards the center of the second insertion groove Y direction at a middle position of the second insertion groove in the Z direction.

[0015] Preferably, the solder piece is provided with a positioning protrusion extending in the Z direction corresponding to one side of the base body, and the base body is provided with a positioning recess extending in the opposite direction of the Z direction to the top end of the base body corresponding to the positioning protrusion. The solder piece is inserted into the base in the Z direction so that the positioning protrusion penetrates into the positioning recess to form a guide fit.

[0016] Preferably, the solder piece is provided with a stop protrusion, and the stop protrusion limits the rotation of the lock body to the first locking position when the lock body is in the first active position.

[0017] Preferably, the side end of the lock body in the X direction has a clearance groove and a limiting protrusion in turn along the rotation direction from the first movable position to the first locking position, the limiting protrusion has an abutting state of abutting with the front end of the limiting protrusion and limiting the rotation of the lock body to the first locking position when the lock body is in the first movable position, and the limiting protrusion is in the clearance groove when the lock body is in the first locking position.

[0018] Preferably, the opposite inner walls of the two first grooves in the X direction of the base limit the lock body in the axial direction.

[0019] The beneficial effects of the utility model are as follows: during assembly, the lock is placed on the first groove of the base, the welding piece is installed on the base, the second groove of the welding piece and the first groove of the base form the installation position of the lock protruding shaft, the protruding shaft of the lock is limited in the radial direction, and the rotation of the protruding shaft ensures that the lock body locks and unlocks the electronic board card, compared with the traditional protruding shaft limited in the base and needing interference installation, the product structure does not need interference matching, is convenient to assemble, and has high yield. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings obtained according to these drawings without creative labor still belong to the scope of the utility model.

[0021] Figure 1 It is a perspective view of the lock body of the utility model embodiment when being in the first movable position.

[0022] Figure 2 It is a perspective view of the lock body of the utility model embodiment when being in the first locking position.

[0023] Figure 3 It is an explosion view of the utility model embodiment.

[0024] Figure 4 It is a perspective view of the base of the utility model embodiment.

[0025] Figure 5 It is a top view of the base of the utility model embodiment.

[0026] Figure 6 It is a front view of the lock body of the utility model embodiment when being in the first movable position.

[0027] Figure 7 It is Figure 6 A-A section view.

[0028] Figure 8 For Figure 6 sectional view at B-B;

[0029] Figure 9 For Figure 6 sectional view at C-C;

[0030] Figure 10 It is the overhead structure diagram of the lock catch body in the first active position in the embodiment of the utility model;

[0031] Figure 11 For Figure 10 sectional view at D-D;

[0032] Figure 12 For Figure 11 enlarged structure diagram at E;

[0033] Figure 13 For Figure 6 enlarged view at F;

[0034] Figure 14 For Figure 13 structure diagram of the lock catch body in the first locking position under the same perspective;

[0035] Figure 15 It is the structure diagram of the soldering sheet in the embodiment of the utility model;

[0036] In the drawing, 1, base; 2, wiring terminal; 3, lock catch; 4, soldering sheet; 11, base main body; 12, shaft seat part; 13, first connecting block; 14, second connecting block; 21, terminal pin; 22, contact arm; 31, lock catch body; 32, convex shaft; 41, second recess; 42, second insertion slot; 43, positioning convex strip; 44, stop convex part; 101, insertion port; 102, mounting hole; 103, first recess; 111, positioning recess; 311, give place recess; 312, limiting convex part; 411, upper limiting slot; 412, lower insertion slot; 421, tight fit spur. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in further detail below in conjunction with the drawings.

[0038] It should be noted that all the expressions of "first" and "second" in the embodiment of the utility model are used to distinguish two same name different entities or different parameters, and it can be seen that "first" and "second" are only for the convenience of expression, and should not be understood as the limitation of the embodiment of the utility model, and the subsequent embodiments will not be described one by one.

[0039] The directions and positions mentioned in the utility model, such as ''up'', ''down'', ''front'', ''back'', ''left'', ''right'', ''inner'', ''outer'', ''top'', ''bottom'', ''side'', etc., are only the directions or positions of the drawings. Therefore, the directions and positions used are used to explain and understand the utility model, and are not a limitation on the protection scope of the utility model.

[0040] As shown in Figures 1 to 15 The utility model discloses a kind of electronic board connector, including base 1, terminal 2, lock catch 3 and soldering pad 4 installed at the both ends of base 1 X direction, the side of base 1 is equipped with the insertion port 101 for the electronic board cable insertion, the other side of base 1 is spaced apart and has multiple mounting holes 102, the terminal 2 includes multiple terminal pins 21, the terminal pin 21 is inserted in corresponding mounting hole 102,

[0041] The lock catch 3 includes lock catch body 31 and convex shaft 32 at both ends of lock catch body 31 X direction,

[0042] The both ends of base 1 X direction correspondingly are provided with first groove 103 extending to the side surface of base 1, the second groove 41 of soldering pad 4 is provided at the position corresponding to first groove 103, the convex shaft 32 is radially limited between first groove 103 and second groove 41, lock catch body 31 is rotationally connected on base 1 and has the first locking position of locking the electronic board cable inserted into insertion port 101 and the first active position away from the electronic board cable.

[0043] Through the setting, when assembling, lock catch is placed on the first groove of base, soldering pad is installed on base, the second groove of soldering pad and the first groove of base form the mounting position of lock catch convex part, the convex part is radially limited, and the rotation of convex part is realized to lock and unlock the lock catch body to the electronic board card. Compared with the traditional convex part limited in the internal interference installation form of base, the product structure does not need interference fit, and the assembly is convenient, and the yield is high.

[0044] Among them, the terminal pin 21 is provided with contact arm 22, the contact arm 22 extends to insertion port 101, and the lock catch 3 is rotationally arranged on the base 1 and is pressed to lock the electronic board cable inserted into the insertion port 101 on the contact arm 22.

[0045] The base 1 includes base body 11, shaft seat part 12 on both sides of base body 11 X direction, and soldering pad mounting structure between base body 11 and shaft seat part 12 and connecting both, the first groove 103 is located on the shaft seat part 12, and the soldering pad 4 is inserted and fixed on the soldering pad mounting structure.

[0046] The soldering piece mounting structure comprises a first connecting block 13,

[0047] The second groove 41 has an upper limiting groove 411 and a lower insertion groove 412 in sequence along the Z direction, the upper limiting groove 411 has a radial limiting effect on the convex shaft 32, and the lower insertion groove 412 extends to the bottom end of the soldering piece 4 and is shaped to fit the first connecting block 13, the soldering piece 4 is inserted into the base 1 along the Z direction, and the lower insertion groove 412 is inserted and matched with the first connecting block 13.

[0048] Through the arrangement, the lower insertion groove has a guiding effect on the soldering piece during the insertion of the soldering piece on the base, and the insertion and matching with the first connecting block ensures the connection stability during application.

[0049] The upper limiting groove and the lower insertion groove can be in a non-communicating form or in a communicating form, and in the embodiment, the two are in a communicating form for easy processing; the lower insertion groove and the first connecting block can be in a clearance fit form or in a tight fit form, and in the embodiment, the two are in a clearance fit form.

[0050] The lower insertion groove 412 is communicated with the upper limiting groove 411 and clearance fitted with the first connecting block 13.

[0051] Through the arrangement, the processing and installation of the soldering piece are facilitated, and the lower insertion groove plays a positioning role.

[0052] The soldering piece 4 further comprises a second insertion groove 42 extending to the bottom end of the soldering piece 4 along the Z direction and distributed along the Y direction with the second groove 41, and the soldering piece mounting structure further comprises a second connecting block 14 arranged corresponding to the second insertion groove 42 and shaped to fit, the soldering piece 4 is inserted into the base 1 along the Z direction, the second insertion groove 42 is inserted and matched with the second connecting block 14, and the top end of the second insertion groove 42 abuts against the top end of the second connecting block 14.

[0053] Through the arrangement, the cooperation of the second insertion groove and the second connecting block further improves the stability of the connection between the soldering piece and the base, so that the soldering piece is not easy to be skewed, and when the soldering piece is installed in place, the top end of the second insertion groove abuts against the top end of the second connecting block, which plays a role of prompting the installation in place and ensures the accuracy of the installation in place.

[0054] The first connecting block and the second connecting block are both provided with a chamfer.

[0055] The soldering piece 4 is provided with a tight fit spike 421 protruding towards the center of the second insertion groove 42 at a middle position of the soldering piece 4 along the Z direction of the second insertion groove 42.

[0056] Through the arrangement, the second insertion groove and the second connecting block are tightly matched.

[0057] The positioning protrusion 43 of the soldering sheet 4 corresponds to one side of the base body 11, and the base body 11 corresponds to the positioning protrusion 43 and is provided with a positioning groove 111 extending in the opposite direction of the Z direction to the top end of the base body 11. When the soldering sheet 4 is inserted into the base 1 in the Z direction, the positioning protrusion 43 penetrates into the positioning groove 111 to form a guide fit.

[0058] Through the arrangement, the convenience of soldering sheet installation and the stability of the connection with the base are further considered.

[0059] The soldering sheet 4 is provided with a stop protrusion 44, which limits the rotation of the lock body 31 to the first locking position when the lock body 31 is in the first active position.

[0060] Through the arrangement, the lock can be prevented from rotating to the first locking position in a state where the electronic board cable is not locked. The soldering sheet is a hardware, and the base is a plastic part. When locking is required, the user applies an external force to make the lock body pass the stop protrusion to reach the first locking position or the stop protrusion is pressed on the side end of the lock body and reaches the first locking position. In this embodiment, it is specifically in the form of passing the stop protrusion. The stop protrusion is specifically in the form of a convex point with an arc surface, which has good stop effect and is not easy to wear the lock, and the change of the lock state can be realized without applying excessive external force.

[0061] The side end of the lock body 31 in the X direction has a limiting protrusion 312 and a stop recess 311 in the rotation direction from the first active position to the first locking position. The stop protrusion 44 has an abutting state of abutting the front end of the limiting protrusion 312 and limiting the rotation of the lock body 31 to the first locking position when the lock body 31 is in the first active position. The stop protrusion 44 is located in the stop recess 311 when the lock body 31 is in the first locking position.

[0062] Through the arrangement, the lock body is not easy to rotate in the first locking position state. The front end of the limiting protrusion is defined as the end close to the first locking position in the rotation direction from the first active position to the first locking position.

[0063] The opposite inner walls of the two first recesses 103 in the X direction of the base 1 form limiting in the axial direction of the lock 3.

[0064] Through the arrangement, in the installation process, the first recess forms axial positioning of the lock, which improves the portability of assembly and the accuracy of installation, and in the use process, the lock is connected between the soldering sheet and the base more stably and is not easy to produce displacement in the axial direction.

[0065] Meanwhile, the entrance of the first groove 103 is provided with a chamfer, which is not easy to wear the lock catch convex shaft, and can guide the lock catch convex shaft into the first groove during installation.

[0066] The above only discloses the preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, therefore, the equivalent changes made according to the utility model claim still belong to the range covered by the utility model.

Claims

1. An electronic board connector, comprising a base (1), a terminal (2), a lock (3) and a soldering sheet (4) mounted at both ends of the base (1) in the X direction, one side of the base (1) being provided with an insertion opening (101) for the insertion of an electronic board cable, the other side of the base (1) being provided with a plurality of mounting holes (102) arranged at intervals, the terminal (2) comprising a plurality of terminal pins (21) inserted into the corresponding mounting holes (102), characterized in that: the lock (3) comprises a lock body (31) and a protruding shaft (32) at both ends of the lock body (31) in the X direction, first grooves (103) extending to the surface of one side of the base (1) are provided at both ends of the base (1) in the X direction, second grooves (41) are provided on the soldering sheet (4) at positions corresponding to the first grooves (103), the protruding shaft (32) is radially limited between the first grooves (103) and the second grooves (41), and the lock body (31) is rotationally connected to the base (1) and has a first locking position for locking the electronic board cable inserted into the insertion opening (101) and a first active position away from the electronic board cable. The base (1) comprises a base body (11), shaft seat portions (12) at both sides of the base body (11) in the X direction, and a soldering sheet mounting structure between the base body (11) and the shaft seat portions (12) and connecting the two, the first grooves (103) being located on the shaft seat portions (12), and the soldering sheet (4) being inserted and fixed on the soldering sheet mounting structure. The soldering sheet mounting structure comprises a first connecting block (13), 2. The electronic board connector of claim 1, wherein: The second grooves (41) have, in the Z direction, in sequence, an upper limiting groove (411) for radially limiting the protruding shaft (32) and a lower insertion groove (412) extending to the bottom end of the soldering sheet (4) and being shaped to fit the first connecting block (13), and the soldering sheet (4) is inserted into the base (1) in the Z direction so that the lower insertion groove (412) is inserted and fitted with the first connecting block (13).

3. The electronic board connector of claim 2, wherein: The lower insertion groove (412) is in communication with the upper limiting groove (411) and is in clearance fit with the first connecting block (13). The soldering sheet (4) further comprises a second insertion groove (42) extending to the bottom end of the soldering sheet (4) in the Z direction and being distributed in the Y direction with the second grooves (41), and the soldering sheet mounting structure further comprises a second connecting block (14) provided corresponding to the second insertion groove (42) and being shaped to fit, the soldering sheet (4) being inserted into the base (1) in the Z direction so that the second insertion groove (42) is inserted and fitted with the second connecting block (14) and the top end of the second insertion groove (42) abuts against the top end of the second connecting block (14).

4. The electronic board connector of claim 3, wherein: The soldering sheet (4) is provided with a tight-fitting protrusion (421) protruding towards the center of the second insertion groove (42) in the Y direction at a position in the Z direction of the second insertion groove (42).

5. An electronic board connector according to any one of claims 2-4, characterized in that: ​ 6. An electronic board connector as claimed in claim 5, wherein: ​ 7. An electronic board connector according to any one of claims 2-4, wherein: The welding piece (4) is provided with a positioning protrusion (43) extending along the Z direction on one side of the base body (11), and the base body (11) is provided with a positioning groove (111) extending along the opposite direction of the Z direction to the top end of the base body (11) at the corresponding positioning protrusion (43), and the welding piece (4) is inserted into the base (1) along the Z direction so that the positioning protrusion (43) penetrates into the positioning groove (111) to form a guide fit.

8. An electronic board connector according to any one of claims 1-4, wherein: The welding piece (4) is provided with a stop protrusion (44), which limits the rotation of the lock body (31) to the first locking position when the lock body (31) is in the first active position.

9. The electronic board connector of claim 8, wherein: The side end of the lock body (31) in the X direction has a limiting protrusion (312) and a giving recess (311) in the rotation direction from the first active position to the first locking position, the stop protrusion (44) has an abutting state of abutting against the front end of the limiting protrusion (312) and limiting the rotation of the lock body (31) to the first locking position when the lock body (31) is in the first active position, and the stop protrusion (44) is located in the giving recess (311) when the lock body (31) is in the first locking position.

10. An electronic board connector according to any one of claims 1-4, wherein: The two first grooves (103) on the opposite inner walls of the base (1) in the X direction form a limit in the axial direction to the lock (3).

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