CN114976713A - Terminal for quickly fixing wire and crimping jig thereof - Google Patents

Abstract

A terminal for quickly fixing a wire and a crimping jig thereof. The terminal shell of quick fixed wire rod to and the sheetmetal. The terminal housing includes a body, a receiving groove, and a through hole. The metal sheet comprises a substrate, a holding sheet and a wire stripping component. One end of each of the two clasping sheets is connected with the base, and the other ends of the clasping sheets are close to each other and are bent. The crimping jig for quickly fixing the wire rods comprises a base, a pressing mechanism and a crimping mechanism. The crimping mechanism comprises a pressure head block, an embracing block, a first pressure block and a second pressure block. One end of each of the holding blocks is of an inwards-concave arc-shaped structure, when the compression joint mechanism presses down, the two holding blocks can be inwards bent to hold the wires tightly against the holding blocks, the wires can be pressed into the wire stripping assembly by the first pressing block and the second pressing block, an outer-layer insulating layer is stripped under the action of the wire stripping assembly, automatic wire stripping is achieved, the wires can be directly held tightly, and efficiency is improved.

Description

A terminal for fast fixing wire and its crimping fixture

technical field

The invention relates to the technical field of wiring terminals, in particular to a terminal for quickly fixing wires and a crimping fixture thereof.

Background technique

Terminal block is an accessory product used to realize electrical connection, which is used to facilitate the connection of wires. It is actually a piece of metal sealed in insulating plastic. There are holes at both ends to insert wires and pins. It is more convenient and quick to connect or disconnect as needed. In the prior art, the terminal and the fixture are connected to the wire by inserting the wire into the connector, and then tightening the screw to compress the wire, so as to realize the electrical connection. For example, the patent number CN202011439607.1 discloses a crimping terminal and its use method. The patent is mainly composed of a base part and a pressing part assembly. In actual use, the wire is installed on the insulating base. After the installation position on the top, the wire is fixed and pressed by turning the pressing part, which is convenient and quick to use. In this way, although there is no need to turn the screw, it is still necessary to manually peel off the insulating layer on the outside of the wire before use, and automatic wire stripping and fixing cannot be realized. At the same time, the whole process is complicated and the efficiency is low.

SUMMARY OF THE INVENTION

In view of this, the present invention provides a terminal for quickly fixing a wire and a crimping jig thereof to solve the above technical problems.

A terminal for quickly fixing wires includes a terminal shell and a plurality of metal sheets arranged on the terminal shell. The terminal housing includes a body, a plurality of accommodating grooves arranged on the body, and a plurality of through holes arranged on the body. A plurality of the accommodating grooves are arranged side by side on one side of the body, one end of the accommodating groove is communicated with the side wall of the body, and the other end is communicated with the through hole. The metal sheet includes a base set in the accommodating groove, a contact piece set at one end of the base, two holding pieces set at the other end of the base, and two sets on the base stripping components. The contact piece is arranged on one end of the base close to the through hole, the holding piece is located on both sides of the end of the base away from the through hole, and one end of the two holding pieces is connected to the base, The other ends are bent close to each other. The wire stripping assembly is located between the contact sheet and the holding sheet, the wire stripping assembly includes two wire stripping sheets spaced apart from each other, and one end of the two wire stripping sheets is vertically arranged on the base , and the other ends are bent away from each other.

Further, the terminal housing includes a plurality of positioning grooves arranged on the body, and a positioning block arranged on the body. The alignment direction of the positioning grooves is parallel to the alignment direction of the plurality of accommodating grooves, and each of the accommodating grooves corresponds to one of the positioning grooves.

Further, the integral molding of the metal sheet is formed by bending and shearing a plate.

Further, the contact piece has an L-shaped structure and one end is vertically arranged on the base.

A crimping fixture for quickly fixing wires. The crimping fixture for quick-fixing wires is used for pressing wires into the terminals of the quick-fixing wires. The crimping fixture for quickly fixing the wire includes a base, a pressing mechanism arranged on the base, and a crimping mechanism arranged on the pressing mechanism. One end of the base is provided with a notch, the terminal of the fast fixing wire is arranged on the notch, and the pressing mechanism drives the pressing mechanism to press down or move up. The crimping mechanism includes a pressing block provided on the pressing mechanism, a holding block provided on the pressing block, a first pressing block provided on the pressing block, and a a second pressure block disposed on the pressure head block. One end of the holding block facing the terminal of the quick-fixing wire has an inwardly recessed arc structure, and the holding block corresponds to the position of the holding piece. When the crimping mechanism is pressed down, the holding block will press down the wire and will be inserted between the holding sheet and the accommodating groove, so that the two holding blocks will stick to the wire after the wire is pressed in. The holding block is bent inward to hold the wire tightly, and the first pressing block is located between the holding block and the second pressing block and is spaced apart from each other. When the crimping mechanism is pressed down, the first pressing block and the second pressing block will press the wire into the wire stripping assembly and strip off the outer insulating layer under the action of the wire stripping assembly .

Further, the crimping fixture for quickly fixing the wire also includes a positioning mechanism disposed on the base, the positioning mechanism includes a positioning block disposed on the base, and a positioning block extending from the positioning block. out the flange, and a ball plunger that sets the positioning block.

Further, one end of the positioning block is arranged on the side wall of the notch, and the other end is inserted with the ball plunger. The flange is located on the end face of the positioning block facing the notch and is spaced from the side wall of the notch, so that the flange, the positioning block and the side wall of the notch form a groove type structure. When the positioning block is slidably arranged in the groove structure, the extending direction of the groove structure is parallel to the arrangement direction of the accommodating grooves, and the ball plunger abuts in the positioning groove.

Further, the pressing mechanism includes a casing disposed on the base, a rotating handle disposed on the casing, a rotating shaft rotatably connecting the casing and the rotating handle, and an inserting handle. A compression rod assembly on the housing, and a reset rod provided on the housing.

Further, the arc-shaped groove is located between the rotating shaft and the reset rod, and the opening direction of the arc-shaped groove faces the rotating shaft.

Further, the pressing rod assembly includes a pressing rod vertically inserted on the housing, a sliding shaft inserted on the pressing rod, and a pin shaft inserted on the pressing rod. The pressing rod penetrates through the casing, the central axis of the sliding rod is perpendicular to the central axis of the pressing rod, and the two ends of the sliding rod slide in the arc-shaped grooves and are inserted into the rotating On the handle, the pin is located at one end of the pressing rod close to the notch.

Compared with the prior art, the metal sheet of the terminal for quickly fixing the wire provided by the present invention includes a base, a contact sheet, a holding sheet, and a wire stripping assembly. The holding pieces are located on both sides of one end of the base away from the through hole, one end of the two holding pieces is connected to the base, and the other ends are bent close to each other. The stripping assembly includes two stripping sheets spaced apart from each other. One end of the two stripping sheets is vertically arranged on the base, and the other end is bent in a direction away from each other. One end of the holding block of the crimping jig of the quick-fixing wire, which faces the terminal of the quick-fixing wire, is in an inwardly recessed arc structure and corresponds to the position of the holding piece. The first pressing block is located between the holding block and the second pressing block and is spaced apart from each other. When the crimping mechanism is pressed down, the holding block will press down the wire and will be inserted between the holding piece and the accommodating groove, and at the same time, because one end of the holding block is an arc-shaped structure that is concave inwards , so that after the wire is pressed in, the two holding blocks will bend inward against the arc structure, so as to hold the wire tightly. The first pressing block and the second pressing block will press the wire into the wire stripping assembly and strip off the outer insulating layer under the action of the wire stripping assembly, so as to realize automatic wire stripping and directly strip the wire. The wires are held tightly to improve efficiency.

Description of drawings

FIG. 1 is a schematic structural diagram of a terminal for quickly fixing a wire and a crimping jig provided by the present invention.

FIG. 2 is a schematic structural diagram of the terminal of the quick fixing wire of FIG. 1 .

FIG. 3 is a schematic diagram of an exploded structure of the terminal of the quick fixing wire of FIG. 2 .

FIG. 4 is a cross-sectional view of the terminal of the quick fixing wire of FIG. 2 .

FIG. 5 is a schematic structural diagram of a metal sheet included in the terminal of the quick-fixing wire of FIG. 2 .

FIG. 6 is a schematic structural diagram of the crimping jig for quickly fixing the wire rod of FIG. 1 .

FIG. 7 is a schematic exploded structural diagram of the crimping jig for quickly fixing the wire rod of FIG. 6 .

FIG. 8 is a schematic structural diagram of a positioning mechanism of the crimping jig for quickly fixing wires of FIG. 6 .

FIG. 9 is a schematic structural diagram of a crimping mechanism of the crimping jig for quickly fixing wires of FIG. 1 .

Detailed ways

The specific embodiments of the present invention will be described in further detail below. It should be understood that the descriptions of the embodiments of the present invention herein are not intended to limit the protection scope of the present invention.

As shown in FIG. 1 to FIG. 5 , which are schematic diagrams of the structure of the terminal for quickly fixing the wire provided by the present invention. The terminal of the quick-fixing wire includes a terminal housing 10 and a plurality of metal sheets 20 arranged on the terminal housing 10 . It is conceivable that the terminal for quickly fixing the wire and the crimping jig thereof also include other functional modules, such as pins, and fixing components, etc., which are technologies known to those skilled in the art. No longer.

The terminal housing 10 includes a main body 11 , a plurality of accommodating grooves 12 disposed on the main body 11 , a plurality of through holes 13 disposed in the main body 11 , and a plurality of positioning grooves disposed in the main body 11 . 14 , and a positioning block 15 arranged on the body 11 .

The body 11 is rectangular and made of plastic material, and is used to carry the above-mentioned functional modules. A plurality of the accommodating grooves 12 are arranged side by side on one side of the main body 11 and are used for arranging the metal sheet 20 . In this embodiment, two rows of the accommodating grooves 12 are respectively provided on two opposite end surfaces of the main body 11 . slot 12, thereby increasing the number of wire connections. One end of the accommodating groove 12 is communicated with the side wall of the body 11 , and the other end is communicated with the through hole 13 , so that the wire can pass through the end of the accommodating groove 12 and the side wall of the body 11 after being pressed in. out. The through hole 13 communicates with the accommodating groove 12 , so that the guide pin can penetrate through the through hole 13 to contact the metal sheet 20 in the accommodating groove 12 . The alignment direction of the positioning grooves 14 is parallel to the alignment direction of the plurality of accommodating grooves 12 , and each of the accommodating grooves 12 corresponds to one of the positioning grooves 14 . The positioning groove 14 is used to cooperate with the crimping jig for quickly fixing the wire to ensure that the metal sheet 20 in the receiving groove 12 is in the correct position with the jig, so as to ensure the accuracy of the crimping. The positioning block 15 is located on the same end surface of the positioning groove 14 , and the positioning block 15 is used for cooperating with a jig to define the sliding direction of the terminal housing 10 , so as to ensure that the terminal housing 10 moves along the accommodating groove. 12 in the direction of the arrangement to avoid sliding out of the fixture.

The metal sheet 20 is integrally formed by bending and shearing a plate. The metal sheet 20 includes a base 21 arranged in the receiving groove 12, a contact piece 22 arranged at one end of the base 21, two holding pieces 23 arranged at the other end of the base 21, and two a wire stripping assembly 24 disposed on the base 21 .

The base 21 is used as the base plate of the metal sheet 20 , and its structure should be in the prior art, which will not be repeated here. One end of the contact piece 22 in the L-shaped structure is vertically disposed at one end of the base 21 close to the through hole 13 , so that the guide pin contacts the contact piece 22 after passing through the through hole 13 .

The holding pieces 23 are located on both sides of one end of the base 21 away from the through hole 13, and are used to hold the wires tightly by bending the jig after the wires are pressed in. The specific description will be combined with the quick fixing wire below. of crimping fixtures. One end of the two holding pieces 23 is connected with the base 21, and the other end is bent close to each other, so that the ends of the two holding pieces 23 close to each other have a certain guiding effect, so as to facilitate the bending of the fixture. The holding piece 23 is described.

The stripping assembly 24 is located between the contact sheet 22 and the holding sheet 23, and the stripping assembly 24 includes two stripping sheets 241 spaced apart from each other. One end of the two stripping sheets 241 is vertically arranged on the base 21 , and the other end is bent in a direction away from each other, so as to have a certain guiding effect when the wire is pressed in. The wire can be slid between the two stripping sheets 241 and squeezed by the two stripping sheets 241, so that the insulation layer of the outer layer of the wire is peeled off, so that the wire is connected with the stripping sheet 241, and then passes through the stripping sheet 241. The metal sheet 20 connects wires and pins.

The present invention also provides a crimping jig for quickly fixing wires, as shown in FIGS. 6 to 9 , which are schematic structural diagrams of the crimping jig for quickly fixing wires.

The crimping fixture for quickly fixing the wire includes a base 30, a pressing mechanism 40 arranged on the base 30, a positioning mechanism 50 arranged on the base 30, and a pressing mechanism 50 arranged on the base 30. Crimp mechanism 60 on mechanism 40 . It is conceivable that the crimping jig for quickly fixing the wire also includes some other functional modules, such as elastic components, connection components, etc., which are technologies known to those skilled in the art, and will not be repeated here. .

One end of the base 30 is provided with a notch 31, and the notch 31 is used for accommodating the positioning mechanism 50 and the terminal of the quick-fixing wire, so the notch 31 is provided with a plurality of slots for positioning or convenient placement of the terminal. It should be in the prior art and will not be repeated here. The base 30 is used to carry the above-mentioned functional modules, that is, the pressing mechanism 40 and the positioning mechanism 50. Therefore, the base 30 is provided with various functional structures, such as through holes, 40 rebound springs, clamps, etc. are used to complete the installation and assembly of the above functional modules, which can be set according to actual needs, and will not be described in detail here.

The pressing mechanism 40 includes a casing 41 disposed on the base 30 , a rotating handle 42 disposed on the casing 41 , and a rotating shaft rotatably connecting the casing 41 and the rotating handle 42 . 43 , a pressing rod assembly 44 inserted on the housing 41 , and a reset rod 45 set on the housing 41 .

The casing 41 is disposed on the casing 41 by inserting fasteners, and two arc-shaped grooves 411 are respectively provided on both sides of one end of the casing 41 close to the notch 31 , which are far away from each other. One end of the notch 31 is inserted with the reset rod 45 . The arc-shaped slot 411 is located between the rotating shaft 43 and the reset lever 45 , and the opening direction of the arc-shaped slot 411 faces the rotating shaft 43 , so that the extension direction of the arc-shaped slot 411 is related to the rotation direction. The rotation direction of the handle 42 is the same to make the pressing rod assembly 44 move vertically. The specific description will be described in conjunction with the pressing rod assembly 44 below.

One end of the rotating handle 42 close to the notch 31 is rotatably connected to the housing 41 through the rotating shaft 43 , so that the rotating handle 42 rotates at the rotation point of the rotating shaft 43 .

The pressing rod assembly 44 includes a pressing rod 441 vertically inserted on the housing 41 , a sliding shaft 442 inserted on the pressing rod 441 , and a sliding shaft 442 inserted on the pressing rod 441 . Pin 443.

The pressing rod 441 passes through the housing 41 , the central axis of the sliding rod 442 is perpendicular to the central axis of the pressing rod 441 , and the two ends of the sliding rod 442 slide in the arc-shaped groove 441 respectively. Inserted on the rotating handle 42, when the rotating handle 42 rotates at the rotation point of the rotating shaft 43, the sliding rod 442 can be driven to slide in the arc groove 441, and the sliding rod 442 The pressing rod 441 is driven to vertically move up and down, and the pressing mechanism 60 is pressed down or raised. The pin 443 is located at one end of the pressing rod 441 close to the notch 31 , and is used for fixing the pressing mechanism 60 .

The reset lever 45 passes through the housing 41 and is movably inserted on the base 30 . When the rotating handle 42 is pressed down and rotated, the reset lever 45 is also pressed down. When the rotating handle 42 is released, the reset lever 45 resets against the rotating handle 42, pushes the rotating handle 42 back to the original position, and makes the crimping mechanism 60 rise.

The positioning mechanism 50 includes a positioning block 51 disposed on the base 30 , a flange 52 extending from the positioning block 51 , and a ball plunger 53 disposed on the positioning block 51 .

One end of the positioning block 51 is disposed on the side wall of the notch 31 , and the other end is inserted with the ball plunger 53 . The flange 52 is located on the end surface of the positioning block 51 facing the notch 31 and is spaced from the side wall of the notch 31 , so that the flange 52 , the positioning block 51 , and the notch 31 are spaced apart from each other. The three side walls form a groove structure, and the positioning block 15 is slidably arranged in the groove structure. The extending direction of the groove structure is parallel to the arrangement direction of the receiving grooves 12, so that the terminals of the fast fixing wire can be fastened. The sliding direction is fixed, and the accommodating grooves 12 can be switched by sliding along the groove-shaped structure to press the metal sheets 20 in different accommodating grooves 12 . The ball plunger 53 abuts in the positioning groove 14 , thereby fixing the terminal of the quick-fixing wire so that it will not move during crimping.

The crimping mechanism 60 includes an indenter block 61 disposed on the pressing rod 441 , an embracing block 62 disposed on the indenter block 61 , and a first block 62 disposed on the indenter block 61 . A pressing block 63 , and a second pressing block 64 arranged on the pressing head block 61 .

The end of the holding block 62 facing the terminal of the quick-fixing wire has an arc-shaped structure that is recessed inward. The holding block 62 corresponds to the position of the holding piece 23 . When the crimping mechanism 60 is pressed down At this time, the holding block 62 will press down the wire and will be inserted between the holding piece 23 and the accommodating slot 12. At the same time, because one end of the holding block 62 is an inwardly concave arc structure, the wire is pressed After being inserted, the two holding blocks 62 will be bent inwardly against the arc structure, so as to hold the wire tightly.

The first pressing block 63 is located between the embracing block 62 and the second pressing block 64 and is spaced apart from each other, and the spaced space is used to avoid the two stripping assemblies 24 and avoid collision when pressing down. to the stripping assembly 24. When the crimping mechanism 60 is pressed down, the first pressing block 63 and the second pressing block 64 will press down the wire, press the wire into the stripping assembly 24 and press the wire into the stripping assembly 24 Under the action of peeling off the outer insulating layer, automatic wire stripping can be realized.

Compared with the prior art, the metal sheet 20 of the quick-fixing wire terminal provided by the present invention includes a base 21 , a contact sheet 22 , a holding sheet 23 , and a wire stripping component 24 . The holding pieces 23 are located on both sides of one end of the base 21 away from the through hole 13 . One end of the two holding pieces 23 is connected to the base 21 , and the other ends are bent close to each other. The stripping assembly 24 includes two stripping sheets 241 spaced apart from each other. One end of the two stripping sheets 241 is vertically disposed on the base 21 , and the other end is bent in a direction away from each other. One end of the holding block 62 of the crimping jig of the quick-fixing wire rod toward the terminal of the quick-fixing wire rod has an inwardly concave arc structure and corresponds to the position of the holding piece 23 . The first pressing block 63 is located between the embracing block 62 and the second pressing block 64 and is spaced apart from each other. When the crimping mechanism 60 is pressed down, the holding block 62 will press down the wire and will be inserted between the holding piece 23 and the accommodating groove 12 . At the same time, because one end of the holding block 62 is facing inward again The concave arc-shaped structure makes the two holding blocks 62 bend inward against the arc-shaped structure after the wire is pressed, so as to hold the wire tightly. The first pressing block 63 and the second pressing block 64 will press the wire into the stripping assembly 24 and strip off the outer insulating layer under the action of the stripping assembly 24, thereby realizing automatic stripping wire and directly hold the wire tightly to improve efficiency.

The above are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements or improvements within the spirit of the present invention are all included within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a terminal of quick fixed wire rod which characterized in that: the terminal for rapidly fixing the wire rod comprises a terminal shell and a plurality of metal sheets arranged on the terminal shell, wherein the terminal shell comprises a body, a plurality of accommodating grooves arranged on the body and a plurality of through holes arranged on the body, the accommodating grooves are arranged on one side of the body side by side, one end of each accommodating groove is communicated with the side wall of the body, the other end of each accommodating groove is communicated with the through holes, each metal sheet comprises a substrate arranged in the accommodating grooves, a contact sheet arranged at one end of the substrate, two tightly-holding sheets arranged at the other end of the substrate and two wire stripping assemblies arranged on the substrate, the contact sheets are arranged at one end, close to the through holes, of the substrate, the tightly-holding sheets are positioned at two sides, far away from one end of the through holes, of the substrate, and one ends of the two tightly-holding sheets are connected with the substrate, the other ends of the wire stripping components are close to each other and bent, the wire stripping components are located between the contact pieces and the holding pieces, each wire stripping component comprises two wire stripping pieces which are arranged at intervals, one ends of the two wire stripping pieces are vertically arranged on the substrate, and the other ends of the two wire stripping pieces are bent towards directions away from each other.

2. The terminal for quick-fixing a wire as claimed in claim 1, wherein: the terminal shell comprises a plurality of positioning grooves formed in the body and a positioning block arranged on the body, the arrangement direction of the positioning grooves is parallel to the arrangement direction of the accommodating grooves, and each accommodating groove corresponds to one positioning groove.

3. The terminal for quick-fixing a wire as claimed in claim 1, wherein: the metal sheet is integrally formed by bending and shearing a plate.

4. The terminal for quick-fixing a wire as claimed in claim 1, wherein: the contact piece is of an L-shaped structure, and one end of the contact piece is vertically arranged on the substrate.

5. A crimping jig for quickly fixing a wire, which is used for pressing a wire into a terminal of the quickly fixing wire according to any one of claims 1 to 4, characterized in that: the crimping jig for quickly fixing the wire rods comprises a base, a pressing mechanism arranged on the base and a crimping mechanism arranged on the pressing mechanism, wherein one end of the base is provided with a notch, terminals of the quickly fixing wire rods are arranged on the notch, the pressing mechanism drives the crimping mechanism to press down or move up, the crimping mechanism comprises a pressing head block arranged on the pressing mechanism, a holding block arranged on the pressing head block, a first pressing block arranged on the pressing head block and a second pressing block arranged on the pressing head block, one end, facing the terminals of the quickly fixing wire rods, of the holding block is of an inwards concave arc-shaped structure, the position of the holding block corresponds to that of the holding piece, when the crimping mechanism presses down, the holding block can press down a wire and can be inserted between the holding piece and the holding groove, after the wires are pressed in, the two embracing blocks are bent inwards to embrace the wires tightly along with the embracing blocks, the first pressing block is positioned between the embracing blocks and the second pressing block and arranged at intervals, and when the crimping mechanism is pressed down, the first pressing block and the second pressing block can press the wires into the wire stripping assembly and strip an outer layer of insulating layer under the action of the wire stripping assembly.

6. A crimping jig for quickly fixing wires as claimed in claim 5, wherein: the crimping tool of quick fixed wire rod still includes a setting and is in positioning mechanism on the base, positioning mechanism includes that one sets up locating piece on the base, one follows the flange that extends out on the locating piece to and one set up the ball plunger on the locating piece.

7. A crimping jig for quickly fixing wires as claimed in claim 6, wherein: the locating piece one end sets up on the lateral wall of breach, the other end is inserted and is equipped with the ball plunger, the flange is located the locating piece orientation on the terminal surface of breach and with the lateral wall interval setting of breach makes flange, the locating piece, and the lateral wall three of breach forms a cell type structure, the locating piece slides and sets up in the cell type structure, the extending direction of cell type structure is on a parallel with the array orientation of holding tank, the ball plunger supports the top in the constant head tank.

8. A crimping jig for quickly fixing wires as claimed in claim 5, wherein: the pressing mechanism comprises a shell arranged on the base, a rotating handle arranged on the shell, a rotating shaft rotatably connected with the shell and the rotating handle, a pressing rod assembly inserted on the shell and a reset rod arranged on the shell.

9. A crimping jig for quickly fixing a wire according to claim 8, wherein: the arc-shaped groove is positioned between the rotating shaft and the reset rod, and the opening direction of the arc-shaped groove faces towards the rotating shaft.

10. A crimping jig for quickly fixing wires as claimed in claim 8, wherein: the pressing rod assembly comprises a pressing rod vertically inserted on the shell, a sliding shaft inserted on the pressing rod and a pin shaft inserted on the pressing rod, the pressing rod penetrates through the shell, the central shaft of the pressing rod is perpendicular to the central shaft of the pressing rod, two ends of the pressing rod respectively slide in the arc-shaped grooves and are inserted on the rotating handle, and the pin shaft is located at one end, close to the notch, of the pressing rod.

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