Press type terminal fixing structure

Abstract

The connector comprises 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 invention, 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 invention belongs to the technical field of automobile lighting, and in particular relates to a press-type terminal fixing structure. Background Art

[0002] Connectors are widely used in various electrical circuits, playing the role of connecting or disconnecting circuits and function switches. As we all know, when current is transmitted, two conductors overlapped together must fit tightly. The current transmitted by the automobile headlight transmission harness reaches several amperes, and the matching requirements between the connector terminals are very strict. When the two overlaps are loose, the conductors will have poor contact, the resistance will increase, and the function will fail, and the lights will go out. The terminal and the PIN needle are the overlapping conductors and the core components of the connector. Generally, the wiring harness is fastened with the PIN needle and the board end sheath, and the terminal and the wire end sheath are fastened. Since the wire end sheath and the board end sheath are only locked with a buckle, when the vehicle vibrates, the connector is easy to fall off, causing the two overlapped connections of the terminal and the PIN needle to loosen, which will cause the conductor to have poor contact, the resistance will increase, and the function will fail, and the lights will go out. Summary of the invention

[0003] The object of the present invention is to provide a press-type terminal fixing structure, which can make the terminal and the PIN needle tightly combined, and the connector is not easy to fall off when the vehicle vibrates.

[0004] The present invention is achieved through the following technical solutions:

[0005] A press-type terminal fixing structure includes a board end component and a wire end component that cooperate with each other, and is characterized in that it also includes a fixing component, the board end component includes a board end sleeve and a plurality of PIN needles arranged at intervals in the board end sleeve, the wire end component includes a wire end sleeve and a plurality of terminals arranged at intervals in the wire end sleeve, one side of the board end sleeve and the wire end sleeve is provided with a first fastening piece that can be fastened with each other, a plurality of terminals and a plurality of PIN needles correspond one to one, a first slot is opened on the terminal, one end of the PIN needle is inserted into the first slot of the corresponding terminal, the fixing component is movably arranged on the wire end sleeve, and the fixing component has a first position and a second position, when the fixing component is in the first position, the fixing component fixes the PIN needle on the corresponding terminal, and when the fixing component is in the second position, the fixing component releases the fixed connection between the PIN needle and the corresponding terminal.

[0006] Furthermore, rectangular holes are respectively opened at corresponding positions on both sides of the wire end sheath, the fixing assembly includes a movable plate, a plurality of fixing blocks and two springs, the movable plate is located in the wire end sheath, and the two ends of the movable plate extend from the two rectangular holes to the outside of the wire end sheath respectively, and second fastening parts that can be buckled with each other are respectively provided between the two ends of the movable plate and the two sides of the wire end sheath, the plurality of fixing blocks are arranged at intervals at the bottom of the movable plate, the two outermost fixing blocks are respectively connected to the inner bottom of the wire end sheath through two springs, a first groove for inserting the fixing block is provided on both sides of the PIN pin, and a second groove for inserting the fixing block is provided on both sides of the terminal, the plurality of fixing blocks correspond one by one to the plurality of first grooves and the plurality of second grooves respectively, and when the movable plate is buckled with the wire end sheath, the fixing assembly is located at the first position, and the fixing block is inserted into the corresponding second groove and first groove.

[0007] Furthermore, a first positioning column is provided at the bottom of the two outermost fixed blocks, and two second positioning columns are provided at the bottom of the wire end sheath. The two second positioning columns are located below the two first positioning columns, and one end of the two springs is respectively connected to the two first positioning columns, and the other end of the two springs is respectively connected to the two second positioning columns.

[0008] Furthermore, the second fastening member includes a second buckle seat arranged on the wire end sheath and a second buckle plate arranged on the movable plate, and the second buckle plate can be removed from the second buckle seat by pressing.

[0009] Furthermore, a receiving groove for receiving the movable plate is provided at the top of the wire end sheath, and the receiving groove is communicated with the rectangular hole.

[0010] Furthermore, the first fastening member includes a first fastening seat arranged on the board end sheath and a first fastening plate arranged on the wire end sheath, and the first fastening plate can be removed from the first fastening seat by pressing.

[0011] Furthermore, a barb capable of elastic deformation is provided at the bottom of the terminal, a plurality of insertion slots for inserting a plurality of terminals are provided in the wire end sheath, and a third groove for inserting the barb is provided at the bottom of the insertion slot.

[0012] Furthermore, the wire end assembly also includes a secondary locking plate, on which are provided a plurality of pressure posts corresponding one-to-one to a plurality of terminals, a second slot for inserting the pressure posts is opened on the terminal, and third fastening parts that can be engaged with each other are arranged on opposite sides of the secondary locking plate and the wire end sheath, and when the secondary locking plate is engaged with the wire end sheath, the pressure post is inserted into the second slot of the corresponding terminal.

[0013] Furthermore, a guide plate is provided on the secondary locking piece, a plurality of guide grooves are formed on the guide plate, and a guide rail cooperating with the plurality of guide grooves is provided on the wire end sheath.

[0014] Furthermore, the third fastening component includes 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 removed from the third buckle seat by pulling.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the board end sheath and the wire end sheath are fixed into one by the first fastening piece, and then the fixing component is pressed to the first position, so that the fixing component fixes the PIN pin on the corresponding terminal, so that the terminal and the PIN pin are tightly combined. When the vehicle vibrates, since the fixing component fixes the PIN pin to the corresponding terminal, the two overlapping connections between the terminal and the PIN pin are not easy to loosen, and then the connector is not easy to fall off, thereby avoiding the situation where the terminal and the PIN pin have poor contact, the resistance becomes large, and the function fails, and the car lights will go out. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 An exploded view of the press-type terminal fixing structure of the present invention;

[0017] Figure 2 A top view of the press-type terminal fixing structure of the present invention;

[0018] Figure 3 for Figure 2 AA section view;

[0019] Figure 4 A schematic diagram of releasing the fixed connection between the PIN pin and the terminal of the fixing component in the press-type terminal fixing structure of the present invention;

[0020] Figure 5 A schematic diagram of a fixing component in a press-type terminal fixing structure of the present invention fixing a PIN pin on a terminal;

[0021] Figure 6 It is a structural schematic diagram of a PIN needle in a press-type terminal fixing structure of the present invention;

[0022] Figure 7 It is a schematic diagram of the structure of the terminal in the press-type terminal fixing structure of the present invention;

[0023] Figure 8 A cross-sectional view of a terminal in a press-type terminal fixing structure of the present invention;

[0024] Fig. 9 It is a structural schematic diagram of the secondary locking piece in the press-type terminal fixing structure of the present invention.

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

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. At the same time, in the description of the present invention, 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, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0031] See also Figures 1 to 5 , Figure 1 This is an exploded view of the press-type terminal fixing structure of the present invention. Figure 2 This is a top view of the press-type terminal fixing structure of the present invention. Figure 3 for Figure 2 AA section view, Figure 4 It is a schematic diagram of releasing the fixed connection between the PIN pin and the terminal of the fixing component in the press-type terminal fixing structure of the present invention, Figure 5 The present invention is a schematic diagram of a fixing component fixing a PIN pin on a terminal in a push-type terminal fixing structure. A push-type terminal fixing structure includes a board end component, a wire end component and a fixing component, the board end component and the wire end component cooperate with each other, the board end component includes a board end sheath 1 and a plurality of PIN pins 2 arranged at intervals in the board end sheath 1, the wire end component includes a wire end sheath 3 and a plurality of terminals 4 arranged at intervals in the wire end sheath 3, a first fastening member capable of being mutually fastened is arranged on one side of the board end sheath 1 and the wire end sheath 3, a plurality of terminals 4 and a plurality of PIN pins 2 correspond to each other, a first slot 41 is provided on the terminal 4, one end of the PIN pin 2 is inserted into the first slot 41 of the corresponding terminal 4, the fixing component is movably arranged on the wire end sheath 3, and the fixing component has a first position and a second position, the height of the first position is lower than the height of the second position, when the fixing component is in the first position, the fixing component fixes the PIN pin 2 on the corresponding terminal 4, and when the fixing component is in the second position, the fixing component releases the fixed connection between the PIN pin 2 and the corresponding terminal 4.

[0032] When the push-type terminal fixing structure of the present invention is installed, the wire end sheath 3 is inserted into the board end sheath 1, and the wire end sheath 3 and the board end sheath 1 are fixed together by the first fastening member. The fixing component can be raised and lowered relative to the wire end sheath 3 to form a first position and a second position. The user can press the fixing component to make the fixing component located in the first position, and fix the PIN pin 2 on the corresponding terminal 4 through the fixing component, so that the terminal 4 and the PIN pin 2 are tightly combined. When the vehicle vibrates, the fixing component fixes the PIN pin 2 and the terminal 4, and the two overlapping connections between the PIN pin 2 and the terminal 4 are not easy to loosen, thereby making the connector not easy to fall off, avoiding the situation that the terminal 4 and the PIN pin 2 have poor contact, the resistance becomes large, and the function fails, and the car lights go out. When disassembling, the fixing component is lifted to the second position, so that the fixing component is separated from the terminal 4 and the PIN pin 2, and the fixing component releases the fixed connection between the terminal 4 and the PIN pin 2, and the terminal 4 and the PIN pin 2 are loosened from each other, and then the fastening of the board end sheath 1 and the wire end sheath 3 is released, and the board end component and the wire end component can be separated at this time.

[0033] Please refer to Figure 6 and Figure 7 , Figure 6 Schematic diagram of the structure of the PIN pin in the press-type terminal fixing structure of the present invention, Figure 7The schematic diagram of the structure of the terminal in the press-type terminal fixing structure of the present invention. In one embodiment, rectangular holes 31 are respectively opened at corresponding positions on both sides of the wire end sheath 3, and the fixing assembly includes a movable plate 5, a plurality of fixing blocks 6 and two springs 7. The movable plate 5 is located in the wire end sheath 3, and the two ends of the movable plate 5 extend from the two rectangular holes 31 to the outside of the wire end sheath 3 respectively. A second fastening member capable of being mutually buckled is respectively provided 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 at the bottom of the movable plate 5, and the two fixing blocks 6 located at the outermost sides are respectively connected to the inner bottom of the wire end sheath 3 through two springs 7. The first grooves 21 for the fixing blocks 6 to be inserted are provided on both sides of the PIN pin 2, and the second grooves 42 for the fixing blocks 6 to be inserted are provided on both 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 in the first position, and the fixing blocks 6 are inserted into the corresponding second grooves 42 and first grooves 21. When in use, by pressing the movable plate 5 downward, the two ends of the movable plate 5 are respectively fastened with the two sides of the wire end sheath 3 through the second fastening parts. At this time, the fixing assembly is in the first position, and each fixing block 6 is respectively inserted into the corresponding second groove 42 and the second groove 42, so as to fix the PIN pin 2 on the corresponding terminal 4 to prevent the PIN pin 2 and the terminal 4 from loosening. When the movable plate 5 is fastened with the wire end sheath 3, the spring 7 is in a compressed state. When the fastening between the movable plate 5 and the wire end sheath 3 is released, the movable plate 5 is lifted upward by the elastic force of the spring 7, so that the fixing assembly is in the second position, and the fixing block 6 is disengaged from the first groove 21 and the second groove 42, and the fixed connection between the terminal 4 and the PIN pin 2 is released. At this time, the terminal 4 and the PIN pin 2 are in a normal plug-in state, and the PIN pin 2 can be pulled out from the terminal 4.

[0034] In one embodiment, a first positioning column 8 is provided at the bottom of the two outermost fixing blocks 6, and two second positioning columns 9 are provided at the bottom of the wire end sheath 3. The two second positioning columns 9 are located below the two first positioning columns 8. One end of the two springs 7 is respectively connected to the two first positioning columns 8, and the other end of the two springs 7 is respectively connected to the two second positioning columns 9. By providing the first positioning column 8 and the second positioning column 9, the spring 7 is vertically arranged on the corresponding first positioning column 8 and the second positioning column 9, so that the compression direction of the spring 7 can be limited to a certain extent, and the installation and removal of the spring 7 are convenient.

[0035] In one embodiment, a receiving groove 33 for receiving the movable plate 5 is provided at the top of the wire end sheath 3, and the receiving groove 33 is connected to the rectangular hole 31. The movable plate 5 is located in the receiving groove 33 in the initial state, which can reduce the overall size of the wire end sheath 3.

[0036] In one embodiment, the second fastening member includes a second fastening seat 32 disposed on the wire end sheath 3 and a second fastening plate 51 disposed on the movable plate 5, and the second fastening plate 51 can be disengaged from the second fastening seat 32 by pressing. The second fastening member can adopt an existing commonly used fastening method, and the second fastening seats 32 of the two second fastening members are respectively disposed at the positions below the two rectangular holes 31 of the wire end sheath 3. Specifically, the second fastening seat 32 is trapezoidal as a whole, and the second fastening plate 51 can be deformed by pressing, and a fastening groove adapted to the first fastening seat 11 is provided on the second fastening plate 51. During installation, the movable plate 5 is pressed downward to move the second buckle plate 51 downward, and the second buckle plate 51 is driven downward by the movable plate 5 to insert the second buckle seat 32 into the buckle groove of the second buckle plate 51, thereby realizing the buckling of the movable plate 5 and the wire end sheath 3. During disassembly, the user applies a certain pressing force to the end of the second buckle plate 51 away from the buckle groove, so that the second buckle seat 32 is disengaged from the buckle groove of the second buckle plate 51. At this time, the wire end sheath 3 and the movable plate 5 can be separated, and the movable plate 5 moves upward to the accommodating groove 33 under the elastic force of the spring 7.

[0037] In one embodiment, the first fastening member includes a first fastening seat 11 disposed on the board end sheath 1, and a first fastening plate 34 disposed on the wire end sheath 3, and the first fastening plate 34 can be removed from the first fastening seat 11 by pressing. The first fastening member can adopt an existing commonly used fastening method. Specifically, the first fastening seat 11 is trapezoidal as a whole, and the first fastening plate 34 can be deformed by pressing. The first fastening plate 34 is provided with a hook that abuts against a side wall of the first fastening seat 11. During installation, the hook moves along the first fastening seat 11 to abut against a side wall of the first fastening seat 11, so as to realize the fastening of the board end sheath 1 and the wire end sheath 3. During disassembly, the user applies a certain pressing force to the end of the first fastening plate 34 away from the hook, so that the first fastening plate 34 and one end of the hook can be lifted to separate the hook from the first fastening seat 11, and the wire end sheath 3 and the board end sheath 1 can be separated at this time.

[0038] Please refer to Figure 8 and Fig. 9 , Figure 8 is a cross-sectional view of a terminal in the press-type terminal fixing structure of the present invention, Fig. 9The schematic diagram of the structure of the secondary locking piece in the push-type terminal fixing structure of the present invention. In one embodiment, the terminal 4 is provided with a barb 43 capable of elastic deformation at the bottom, and the wire end sheath 3 is provided with a plurality of insertion slots for inserting a plurality of terminals 4 respectively, and a third groove 35 for inserting the barb 43 is provided at the bottom of the insertion slot. The terminal 4 is inserted into the insertion slot of the wire end sheath 3 by insertion. During the insertion, the barb 43 at the bottom of the terminal 4 is elastically deformed by the compression of the bottom of the insertion slot. When the terminal 4 is inserted into place, that is, the barb 43 moves to the position of the third groove 35, the barb 43 is no longer squeezed by external force. At this time, the barb 43 will rebound and be inserted into the third groove 35, thereby forming a mutual limit through the barb 43 and the third groove 35 to prevent the terminal 4 from falling off from the wire end sheath 3, so that the terminal 4 is installed in the wire end sheath 3. In order to make the terminal 4 more firmly installed in the wire end sheath 3, in one embodiment, the wire end assembly further includes a secondary locking piece 10, on which a plurality of pressure posts 101 corresponding to the plurality of terminals 4 are provided, and a second slot 44 for inserting the pressure posts 101 is provided on the terminal 4, and a third fastening member capable of being interlocked is provided on opposite sides of the secondary locking piece 10 and the wire end sheath 3, and when the secondary locking piece 10 is engaged with the wire end sheath 3, the pressure post 101 is inserted into the second slot 44 of the corresponding terminal 4. The secondary locking piece 10 can be snapped onto the wire end sheath 3, and the pressure post 101 on the secondary locking piece 10 passes through the corresponding insertion slot and is inserted into the second slot 44 of the terminal 4, and the corresponding terminal 4 is pressed by the pressure post 101, thereby playing the role of fixing and limiting the position of the terminal 4, and further preventing the terminal 4 from falling off from the wire end sheath 3.

[0039] In one embodiment, a guide plate 102 is provided on the secondary locking piece 10, a plurality of guide grooves are provided on the guide plate 102, and a guide rail 36 cooperating with the plurality of guide grooves is provided on the wire end sheath 3. The moving direction of the secondary locking piece 10 is limited by the cooperation between the guide groove and the guide rail 36, so that when the secondary locking piece 10 is inserted into the wire end sheath 3 and engaged with the wire end sheath 3, each pressure column 101 can be smoothly inserted into the second slot 44 of each terminal 4.

[0040] In one embodiment, the third fastening member includes a third fastening seat 37 disposed on the wire end sheath 3 and a third fastening plate 103 disposed on the secondary locking plate 10, and the third fastening plate 103 can be removed from the third fastening seat 37 by pulling. The third fastening member can also adopt an existing commonly used fastening method. Specifically, the third fastening seat 37 is trapezoidal in shape as a whole, and the third fastening plate 103 can be deformed by pulling, and a fastening groove for accommodating the third fastening seat 37 is provided on the third fastening plate 103. During installation, the third fastening plate 103 moves 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, so that the secondary locking plate 10 and the wire end sheath 3 are fastened. 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, and the wire end sheath 3 and the secondary locking plate 10 can be separated.

[0041] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Therefore, any simple modification, equivalent change and modification made to the above embodiment according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A press-type terminal fixing structure, comprising a board end assembly and a wire end assembly that cooperate with each other, characterized in that: It also includes a fixing component, the board end component includes a board end sheath and a plurality of PIN needles spaced apart in the board end sheath, the wire end component includes a wire end sheath and a plurality of terminals spaced apart in the wire end sheath, one side of the board end sheath and the wire end sheath is provided with a first fastening piece that can be buckled with each other, the plurality of terminals and the plurality of PIN needles correspond one to one, a first slot is provided on the terminal, one end of the PIN needle is inserted into the first slot of the corresponding terminal, the fixing component is movably arranged on the wire end sheath, and the fixing component has a first position and a second position, when the fixing component is in the first position, the fixing component fixes the PIN needle on the corresponding terminal, and when the fixing component is in the second position, the fixing component releases the fixed connection between the PIN needle and the corresponding terminal.

2. The pressing terminal fixing structure according to claim 1, characterized in that: Rectangular holes are respectively provided at corresponding positions on both sides of the wire end sheath, and the fixing assembly comprises a movable plate, a plurality of fixing blocks and two springs, the movable plate is located in the wire end sheath, and the two ends of the movable plate extend from the two rectangular holes to the outside of the wire end sheath respectively, and second fastening members that can be buckled with each other are respectively provided between the two ends of the movable plate and the two sides of the wire end sheath, and the plurality of fixing blocks are arranged at intervals at the bottom of the movable plate, and the two outermost fixing blocks are respectively connected to the inner bottom of the wire end sheath through two springs, a first groove for inserting the fixing block is provided on both sides of the PIN pin, and a second groove for inserting the fixing block is provided on both sides of the terminal, and the plurality of fixing blocks correspond to the plurality of first grooves and the plurality of second grooves one by one, respectively, and when the movable plate is buckled with the wire end sheath, the fixing assembly is located at the first position, and the fixing block is inserted into the corresponding second groove and first groove.

3. The pressing terminal fixing structure according to claim 2, characterized in that: A first positioning column is provided at the bottom of the two outermost fixed blocks, and two second positioning columns are provided at the bottom of the wire end sheath. The two second positioning columns are located below the two first positioning columns, and one end of the two springs is respectively connected to the two first positioning columns, and the other end of the two springs is respectively connected to the two second positioning columns.

4. The pressing terminal fixing structure according to claim 2, characterized in that: The second fastening member includes a second fastening seat arranged on the wire end sheath and a second fastening plate arranged on the movable plate, and the second fastening plate can be removed from the second fastening seat by pressing.

5. The pressing terminal fixing structure according to claim 2, characterized in that: A receiving groove for receiving the movable plate is provided on the top of the wire end sheath, and the receiving groove is communicated with the rectangular hole.

6. The pressing terminal fixing structure according to claim 1, characterized in that: The first buckle member includes a first buckle seat arranged on the board end sheath and a first buckle plate arranged on the wire end sheath, and the first buckle plate can be removed from the first buckle seat by pressing.

7. The pressing terminal fixing structure according to claim 1, characterized in that: The bottom of the terminal is provided with a barb capable of elastic deformation, the wire end sheath is provided with a plurality of insertion slots for inserting a plurality of terminals respectively, and the bottom of the insertion slot is provided with a third groove for inserting the barb.

8. The pressing terminal fixing structure according to claim 7, characterized in that: The wire end assembly also includes a secondary locking piece, on which a plurality of pressure posts corresponding one to one with the plurality of terminals are provided, and a second slot for inserting the pressure posts is opened on the terminal, and third fastening parts that can be engaged with each other are provided on opposite sides of the secondary locking piece and the wire end sheath, and when the secondary locking piece is engaged with the wire end sheath, the pressure post is inserted into the second slot of the corresponding terminal.

9. The pressing terminal fixing structure according to claim 8, characterized in that: The secondary locking piece is provided with a guide plate, the guide plate is provided with a plurality of guide grooves, and the wire end sheath is provided with a guide rail matched with the plurality of guide grooves.

10. The pressing terminal fixing structure according to claim 8, characterized in that: The third fastening component includes 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 removed from the third buckle seat by pulling.

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