Press type terminal fixing structure

Abstract

The utility model provides a plate end assembly and a wire end assembly which are matched with each other, and is characterized by further comprising a fixing assembly, the plate end assembly comprises a plate end sheath and a plurality of PINs arranged in the plate end sheath at intervals, and the wire end assembly comprises a wire end sheath and a plurality of terminals arranged in the wire end sheath at intervals. One side of the plate end sheath and one side of the wire end sheath are provided with first buckling pieces which can be buckled with each other, the plurality of terminals and the plurality of PINs are in one-to-one correspondence, the terminals are provided with first slots, one ends of the PINs are inserted into the first slots of the corresponding terminals, the fixing assembly is movably arranged on the wire end sheath, and the fixing assembly has a first position and a second position. When the fixing assembly is located at the first position, the fixing assembly fixes the PINs on the corresponding terminals, and when the fixing assembly is located at the second position, the fixing assembly releases the fixed connection between the PINs and the corresponding terminals. According to the utility model, the terminals and the PINs can be tightly combined, and the connector is not easy to fall off when a vehicle vibrates.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile lighting, especially relates to a press -type terminal fixed structure. BACKGROUND

[0002] The connector is widely used in various electrical circuits, and plays the role of connecting or disconnecting the circuit and the function switch. As known, the two conductive bodies lapped together must be closely attached during current transmission. The current delivered by the automobile lamp delivery wire harness reaches several amperes, and the matching requirement between the connector terminals is very strict. When the two lapped parts are loose, the conductor contact will be poor, the resistance will be large, and the function will be invalid, and the automobile lamp will be extinguished. The terminal and PIN pin are the lapped conductors, and are also the core components of the connector. Generally, the wire harness is fastened by the PIN pin and the board end sheath, and the terminal and the wire end sheath. Since the wire end sheath and the board end sheath are only buckled and locked, when the vehicle vibrates, the connector is easy to fall off, the terminal and the PIN pin are loose at the two lapped connection parts, the conductor contact is poor, the resistance is large, the function is invalid, and the automobile lamp is extinguished. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a press -type terminal fixed structure, which can tightly combine the terminal and the PIN pin, and the connector is not easy to fall off when the vehicle vibrates.

[0004] The utility model is realized through the following technical schemes:

[0005] A press -type terminal fixed structure, comprising a board end assembly and a wire end assembly matched with each other, characterized by further comprising a fixing assembly, the board end assembly comprises a board end sheath and a plurality of PIN pins arranged in the board end sheath at intervals, the wire end assembly comprises a wire end sheath and a plurality of terminals arranged in the wire end sheath at intervals, one side of the board end sheath and the wire end sheath is provided with a first buckling part capable of being buckled with each other, the plurality of terminals and the plurality of PIN pins are one-to-one corresponding, a first slot is formed in the terminal, one end of the PIN pin is inserted into the first slot of the corresponding terminal, the fixing assembly is movably arranged on the wire end sheath, and the fixing assembly has a first position and a second position, when the fixing assembly is located at the first position, the fixing assembly fixes the PIN pin on the corresponding terminal, when the fixing assembly is located at the second position, the fixing assembly releases the fixed connection of the PIN pin and the corresponding terminal.

[0006] Further, the two sides of the wire end sleeve are provided with rectangular holes at corresponding positions, the fixing assembly comprises a movable plate, a plurality of fixing blocks and two springs, the movable plate is located in the wire end sleeve, and two ends of the movable plate extend out of the wire end sleeve from the two rectangular holes respectively, second buckling members capable of being buckled with each other are arranged between the two ends of the movable plate and the two sides of the wire end sleeve respectively, the plurality of fixing blocks are arranged at the bottom of the movable plate at intervals, the two outermost fixing blocks are connected with the inner bottom of the wire end sleeve through the two springs respectively, the two sides of the PIN pin are provided with first grooves for the fixing blocks to be inserted, the two sides of the terminal are provided with second grooves for the fixing blocks to be inserted, the plurality of fixing blocks correspond to the plurality of first grooves and the plurality of second grooves one by one, when the movable plate is buckled with the wire end sleeve, the fixing assembly is located at the first position, and the fixing blocks are inserted into the corresponding second grooves and first grooves.

[0007] Further, the bottom of the two outermost fixing blocks is provided with a first positioning column, the inner bottom of the wire end sleeve is provided with two second positioning columns, the two second positioning columns are located below the two first positioning columns, one end of each of the two springs is connected with the two first positioning columns respectively, and the other end of each of the two springs is connected with the two second positioning columns respectively.

[0008] Further, the second buckling member comprises a second buckle seat arranged on the wire end sleeve and a second buckle plate arranged on the movable plate, and the second buckle plate can be pressed out of the second buckle seat.

[0009] Further, the top of the wire end sleeve is provided with an accommodation groove for accommodating the movable plate, and the accommodation groove is communicated with the rectangular hole.

[0010] Further, the first buckling member comprises a first buckle seat arranged on the wire end sleeve and a first buckle plate arranged on the movable plate, and the first buckle plate can be pressed out of the first buckle seat.

[0011] Further, the bottom of the terminal is provided with an inverted hook capable of being elastically deformed, the wire end sleeve is provided with a plurality of insertion grooves for the plurality of terminals to be inserted respectively, and the bottom of each of the insertion grooves is provided with a third groove for the inverted hook to be inserted.

[0012] Further, the wire end assembly further comprises a secondary locking plate, the secondary locking plate is provided with a plurality of pressing columns corresponding to the plurality of terminals one by one, the terminal is provided with a second insertion groove for the pressing column to be inserted, and opposite sides of the secondary locking plate and the wire end sleeve are provided with third buckling members capable of being buckled with each other, when the secondary locking plate is buckled with the wire end sleeve, the pressing column is inserted into the second insertion groove of the corresponding terminal.

[0013] Further, the secondary locking plate is provided with a guide plate, a plurality of guide grooves are arranged on the guide plate, and the wire end sleeve is provided with guide rails matched with the plurality of guide grooves.

[0014] Further, the third buckling member comprises a third buckle arranged on the wire end sheath and a third buckling plate arranged on the secondary locking sheet, and the third buckling plate can be pulled out of the third buckle.

[0015] Compared with the prior art, the utility model discloses the beneficial effects are: the board end sheath and wire end sheath are fixed into an organic whole through the first buckling member, then the fixed assembly is pressed to the first position, makes the fixed assembly with PIN needle fixed on the corresponding terminal, thereby making the terminal and PIN needle closely combine, when the vehicle vibrates, because the fixed assembly fixes PIN needle and the corresponding terminal, and the terminal and PIN needle are not easy to loosen at the two lap joints, and then the connector is not easy to fall off, avoid the situation that the vehicle light extinguishes because of the poor contact of the terminal and PIN needle, and the resistance becomes big and leads to the functional failure. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the explosion map of the utility model press type terminal fixed structure;

[0017] Figure 2 It is the plan view of the utility model press type terminal fixed structure;

[0018] Figure 3 It is Figure 2 A-A sectional view;

[0019] Figure 4 It is the schematic diagram of the fixed assembly in the utility model press type terminal fixed structure and removes the fixed connection of PIN needle and terminal;

[0020] Figure 5 It is the schematic diagram of the fixed assembly in the utility model press type terminal fixed structure and fixes PIN needle on the terminal;

[0021] Figure 6 It is the structure schematic diagram of PIN needle in the utility model press type terminal fixed structure;

[0022] Figure 7 It is the structure schematic diagram of the terminal in the utility model press type terminal fixed structure;

[0023] Figure 8 It is the sectional view of the terminal in the utility model press type terminal fixed structure;

[0024] Figure 9 It is the structure schematic diagram of the secondary locking sheet in the utility model press type terminal fixed structure.

[0025] In the figure, 1-plate end sheath, 11-first buckle seat, 2-PIN, 21-first groove, 3-wire end sheath, 31-oblong hole, 32-second buckle seat, 33-receiving groove, 34-first buckle plate, 35-third groove, 36-guide rail, 37-third buckle seat, 4-terminal, 41-first insertion slot, 42-second groove, 43-barb, 44-second insertion slot, 5-moving plate, 51-second buckle plate, 6-fixed block, 7-spring, 8-first positioning column, 9-second positioning column, 10-secondary locking piece, 101-pressing column, 102-guide plate, 103-third buckle plate. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0028] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. Meanwhile, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0029] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. Meanwhile, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0030] In the description of the utility model, it is to explain, the term "upper", "lower", "internal", "external" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, or it is the orientation or position relation of the utility model product when using usually put, only is for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element must have the specific orientation, with specific orientation structure and operation, therefore cannot be understood as the limitation to the utility model.

[0031] Please refer to Figures 1 to 5 , Figure 1 It is the exploded view of the utility model press type terminal fixed structure, Figure 2 It is the plan view of the utility model press type terminal fixed structure, Figure 3 It is Figure 2 A-A sectional view, Figure 4 It is the schematic diagram of the fixed assembly of the utility model press type terminal fixed structure and PIN needle and terminal fixed connection are released, Figure 5 It is the schematic diagram of the fixed assembly of the utility model press type terminal fixed structure and PIN needle is fixed on the terminal.A press type terminal fixed structure, including plate end assembly, wire end assembly and fixed assembly, plate end assembly and wire end assembly cooperate with each other, plate end assembly includes plate end sheath 1 and multiple PIN needles 2 spaced in plate end sheath 1, wire end assembly includes wire end sheath 3 and multiple terminals 4 spaced in wire end sheath 3, one side of plate end sheath 1 and wire end sheath 3 is provided with the first buckling piece that can be buckled with each other, multiple terminals 4 and multiple PIN needles 2 correspond one to one, the first slot 41 is set up on terminal 4, and one end of PIN needle 2 is inserted into the first slot 41 of corresponding terminal 4, fixed assembly is movably arranged on wire end sheath 3, and fixed assembly has first position and second position, the height of first position is lower than the height of second position, when fixed assembly is located at first position, fixed assembly fixes PIN needle 2 on corresponding terminal 4, when fixed assembly is located at second position, fixed assembly releases the fixed connection of PIN needle 2 and corresponding terminal 4.

[0032] The utility model discloses press type terminal fixed structure when installing, wire end sheath 3 inserts board end sheath 1, and wire end sheath 3 and board end sheath 1 are fixed into an organic whole through first buckling piece. And fixed assembly can be relative wire end sheath 3 and form first position and second position, and the user can be fixed assembly through pressing, make fixed assembly be located first position, through fixed assembly, make PIN needle 2 fixed on corresponding terminal 4, thereby make terminal 4 and PIN needle 2 tightly combine, when the vehicle is vibrating, PIN needle 2 and terminal 4 are fixed due to fixed assembly, and PIN needle 2 and terminal 4 are not easy to loosen in two lap joint connections, and then make connector not easy to fall off, avoid due to terminal 4 and PIN needle 2 contact badly, and resistance is big to cause functional failure, and the situation of car light extinguishing occurs. When disassembling, fixed assembly is lifted to second position, makes fixed assembly separate from terminal 4 and PIN needle 2, and fixed assembly removes the fixed connection between terminal 4 and PIN needle 2, and terminal 4 and PIN needle 2 are mutually loose, then remove the buckling of board end sheath 1 and wire end sheath 3, and board end assembly and wire end assembly can be separated at this time.

[0033] Please refer to Figure 6 and Figure 7 , Figure 6 It is PIN needle's structural diagram in the utility model press type terminal fixed structure, Figure 7The utility model discloses a press type terminal fixed structure, which comprises a terminal 4, a PIN needle 2 and a wire end sheath 3, wherein the terminal 4 is arranged on one side of the PIN needle 2, and the PIN needle 2 is arranged on one side of the wire end sheath 3. In an embodiment, long rectangular holes 31 are formed in corresponding positions on the two sides of the wire end sheath 3, and a fixing assembly is arranged on the wire end sheath 3. The fixing assembly comprises a movable plate 5, a plurality of fixing blocks 6 and two springs 7. The movable plate 5 is arranged in the wire end sheath 3, and the two ends of the movable plate 5 extend out of the wire end sheath 3 from the two long rectangular holes 31. Second buckling members capable of being buckled with each other are arranged between the two ends of the movable plate 5 and the two sides of the wire end sheath 3. The plurality of fixing blocks 6 are arranged at intervals on the bottom of the movable plate 5. The two outermost fixing blocks 6 are connected to the inner bottom of the wire end sheath 3 through the two springs 7. First grooves 21 for inserting the fixing blocks 6 are arranged on the two sides of the PIN needle 2. Second grooves 42 for inserting the fixing blocks 6 are arranged on the two sides of the terminal 4. The plurality of fixing blocks 6 correspond to the plurality of first grooves 21 and the plurality of second grooves 42 one by one. When the movable plate 5 is buckled with the wire end sheath 3, the fixing assembly is located at a first position, and the fixing blocks 6 are inserted into the corresponding second grooves 42 and first grooves 21.

[0034] In an embodiment, the bottom of the two outermost fixing blocks 6 is provided with a first positioning column 8, and the inner bottom of the wire end sheath 3 is provided with two second positioning columns 9. The two second positioning columns 9 are located below the two first positioning columns 8. One end of each of the two springs 7 is connected to the two first positioning columns 8, and the other end of each of the two springs 7 is connected to the two second positioning columns 9. By arranging the first positioning columns 8 and the second positioning columns 9, the springs 7 are vertically arranged on the corresponding first positioning columns 8 and second positioning columns 9, which can limit the compression direction of the springs 7 and facilitate the installation and removal of the springs 7.

[0035] In an embodiment, a containing groove 33 for containing the movable plate 5 is formed in the top of the wire end sheath 3, and the containing groove 33 is communicated with the long rectangular hole 31. The movable plate 5 is located in the containing groove 33 in the initial state, which can reduce the overall size of the wire end sheath 3.

[0036] In an embodiment, the second fastening member comprises a second fastening seat 32 arranged on the wire end sleeve 3, a second fastening plate 51 arranged on the movable plate 5, and the second fastening plate 51 can be pressed out of the second fastening seat 32. The second fastening member can adopt a commonly used fastening manner, the two second fastening seats 32 of the two second fastening members are arranged below the two rectangular holes 31 of the wire end sleeve 3, specifically, the second fastening seat 32 is in the shape of a trapezoid as a whole, the second fastening plate 51 can be deformed by pressing, and the second fastening plate 51 is provided with a fastening groove matched with the first fastening seat 11. During installation, the movable plate 5 is pressed downward to move the second fastening plate 51 downward, the movable plate 5 drives the second fastening plate 51 to move downward, the second fastening seat 32 is inserted into the fastening groove of the second fastening plate 51, the fastening of the movable plate 5 and the wire end sleeve 3 is realized, during disassembly, a user applies a certain pressing force to an end of the second fastening plate 51 away from the fastening groove, so that the second fastening seat 32 is separated from the fastening groove of the second fastening plate 51, at this time, the wire end sleeve 3 and the movable plate 5 can be separated, and the movable plate 5 moves upward into the accommodating groove 33 under the elastic force of the spring 7.

[0037] In an embodiment, the first fastening member comprises a first fastening seat 11 arranged on the plate end sleeve 1, a first fastening plate 34 arranged on the wire end sleeve 3, and the first fastening plate 34 can be pressed out of the first fastening seat 11. The first fastening member can adopt a commonly used fastening manner, specifically, the first fastening seat 11 is in the shape of a trapezoid as a whole, the first fastening plate 34 can be deformed by pressing, and the first fastening plate 34 is provided with a hook abutting against a side wall of the first fastening seat 11. During installation, the hook moves along the first fastening seat 11 to abut against the side wall of the first fastening seat 11, the fastening of the plate end sleeve 1 and the wire end sleeve 3 is realized, during disassembly, a user applies a certain pressing force to an end of the first fastening plate 34 away from the hook, so that the first fastening plate 34 is lifted to separate the hook from the first fastening seat 11, at this time, the wire end sleeve 3 and the plate end sleeve 1 can be separated.

[0038] Please refer to Figure 8 and Figure 9 , Figure 8 the sectional view of the terminal in the pressing type terminal fixing structure of the utility model, Figure 9The utility model discloses a structure diagram of secondary locking sheet in the pressing type terminal fixed structure. In an embodiment, the bottom of terminal 4 is equipped with the barb 43 that can be elastically deformed, and the wire end sheath 3 is equipped with multiple insertion grooves for inserting multiple terminals 4 respectively, and the bottom of insertion groove is provided with the third recess 35 for inserting the barb 43. Terminal 4 is inserted in the insertion groove of wire end sheath 3 by insertion mode, and when inserting, the barb 43 of the bottom of terminal 4 is extruded and elastically deformed by the bottom of insertion groove, when terminal 4 is inserted in place, i.e. the barb 43 moves to the third recess 35 position, the barb 43 is no longer extruded by external force, at this time, the barb 43 will rebound and insert into the third recess 35, thereby forming mutual limiting through the barb 43 and the third recess 35, preventing terminal 4 from falling off from wire end sheath 3, so that terminal 4 is installed in wire end sheath 3. In order to make terminal 4 more firmly installed in wire end sheath 3, in an embodiment, the wire end assembly further includes secondary locking sheet 10, the secondary locking sheet 10 is equipped with multiple pressing columns 101 corresponding to multiple terminals 4 one by one, the terminal 4 is provided with the second insertion groove 44 for inserting the pressing column 101, and the opposite sides of secondary locking sheet 10 and wire end sheath 3 are provided with third buckling members capable of buckling each other, when secondary locking sheet 10 and wire end sheath 3 are buckled, the pressing column 101 is inserted into the second insertion groove 44 of corresponding terminal 4. Secondary locking sheet 10 can be clamped on wire end sheath 3, and the pressing column 101 on secondary locking sheet 10 is inserted into the second insertion groove 44 of terminal 4 through the corresponding insertion groove, and corresponding terminal 4 is pressed through the pressing column 101, thereby playing the role of fixing and limiting the position of terminal 4, further preventing terminal 4 from falling off from wire end sheath 3.

[0039] In an embodiment, the secondary locking sheet 10 is equipped with the guide plate 102, the guide plate 102 is provided with several guide grooves, and the wire end sheath 3 is equipped with the guide rail 36 matched with the several guide grooves. Through the cooperation of guide groove and guide rail 36, the moving direction of secondary locking sheet 10 is limited, so that when secondary locking sheet 10 is inserted into wire end sheath 3 and clamped with wire end sheath 3, each pressing column 101 can be smoothly inserted into the second insertion groove 44 of each terminal 4.

[0040] In an embodiment, the third fastening member comprises a third fastening seat 37 arranged on the wire end sheath 3, and a third fastening plate 103 arranged on the secondary locking sheet 10, the third fastening plate 103 being capable of being pulled out of the third fastening seat 37. The third fastening member can also adopt a commonly used fastening manner, specifically, the third fastening seat 37 is in the shape of a trapezoid as a whole, the third fastening plate 103 is capable of being deformed by pulling, and the third fastening plate 103 is provided with a fastening groove for accommodating the third fastening seat 37. During installation, the third fastening plate 103 is moved along the third fastening seat 37, so that the third fastening seat 37 is inserted into the fastening groove of the third fastening plate 103, thereby realizing the fastening of the secondary locking sheet 10 and the wire end sheath 3, and during disassembly, the user pulls the third fastening plate 103, so that the third fastening seat 37 is separated from the fastening groove of the third fastening plate 103, at this time, the wire end sheath 3 and the secondary locking sheet 10 can be separated.

[0041] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the present application, which does not deviate from the technical scheme of the present application, still belongs to the scope of the technical scheme of the present application.

Claims

1. A press terminal fixing structure comprising a board end assembly and a wire end assembly which cooperate with each other, characterized in that, The fixing assembly is movably arranged on the wire end sleeve, and the fixing assembly has a first position and a second position.

2. The press terminal fixing structure according to claim 1, characterized by Rectangular holes are formed in corresponding positions on two sides of the wire end sleeve, the fixing assembly comprises a movable plate, a plurality of fixing blocks and two springs, the movable plate is arranged in the wire end sleeve, and two ends of the movable plate extend to the outside of the wire end sleeve from the two rectangular holes respectively, second buckling members capable of being buckled with each other are arranged between the two ends of the movable plate and the two sides of the wire end sleeve respectively, the plurality of fixing blocks are arranged on the bottom of the movable plate, the two outermost fixing blocks are connected to the inner bottom of the wire end sleeve through the two springs respectively, first grooves for the fixing blocks to be inserted are arranged on two sides of the PIN pin, second grooves for the fixing blocks to be inserted are arranged on two sides of the terminal, the plurality of fixing blocks correspond to the plurality of first grooves and the plurality of second grooves respectively, when the movable plate is buckled with the wire end sleeve, the fixing assembly is located at the first position, and the fixing blocks are inserted into the corresponding second grooves and first grooves.

3. The press terminal fixing structure according to claim 2, characterized by First positioning columns are arranged on the bottoms of the two outermost fixing blocks, second positioning columns are arranged on the inner bottom of the wire end sleeve, the two second positioning columns are located below the two first positioning columns, one end of each of the two springs is connected to the two first positioning columns, and the other end of each of the two springs is connected to the two second positioning columns.

4. The press terminal fixing structure according to claim 2, characterized by The second buckling member comprises a second buckle arranged on the wire end sleeve and a second buckling plate arranged on the movable plate, the second buckling plate can be pressed out of the second buckle.

5. The press terminal fixing structure according to claim 2, wherein A containing groove for containing the movable plate is formed in the top of the wire end sleeve, and the containing groove is communicated with the rectangular hole.

6. The press terminal fixing structure according to claim 1, characterized by The first buckling member comprises a first buckle arranged on the board end sleeve and a first buckling plate arranged on the wire end sleeve, the first buckling plate can be pressed out of the first buckle.

7. The press terminal fixing structure according to claim 1, characterized by The bottom of the terminal is provided with a barb capable of being elastically deformed, the wire end sleeve is provided with a plurality of insertion grooves for the plurality of terminals to be inserted respectively, and a third groove for the barb to be inserted is formed in the bottom of the insertion groove.

8. The press terminal fixing structure according to claim 7, characterized by The wire end assembly further comprises a secondary locking plate, a plurality of pressing columns corresponding to the plurality of terminals are arranged on the secondary locking plate, a second insertion groove for the pressing column to be inserted is formed in the terminal, and third buckling members capable of being buckled with each other are arranged on opposite sides of the secondary locking plate and the wire end sleeve, when the secondary locking plate is buckled with the wire end sleeve, the pressing column is inserted into the second insertion groove of the corresponding terminal.

9. The press terminal fixing structure according to claim 8, characterized by The secondary locking piece is provided with a guide plate, a plurality of guide grooves are formed in the guide plate, and the wire end sheath is provided with guide rails matched with the guide grooves.

10. The press terminal fixing structure according to claim 8, wherein The third buckling member comprises a third buckle seat arranged on the wire end sheath and a third buckle plate arranged on the secondary locking piece, and the third buckle plate can be pulled out of the third buckle seat.

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