CN211829485U - Crimping pliers - Google Patents

Abstract

The utility model provides a crimping pliers, keep silent and the meshing pincers body of keeping silent with the drive including crimping pliers, it is used for placing the line ball hole of terminal to keep silent to be provided with on keeping silent, be formed with the through wires hole on the terminal, still including setting up on keeping silent the relative guide subassembly with keeping silent on one's body, the guide subassembly is provided with and is used for guiding the bullport that the wire got into the through wires hole with the line ball hole is relative, the bullport aperture reduces along the direction that is close to the line ball hole gradually, the bullport is close to the aperture that line ball hole one side equals or is less than the aperture of corresponding terminal through wires hole, the bullport can have a effect of drawing in to the wire sinle silk in disorder, guide in the better entering.

Description

Crimping pliers

Technical Field

The utility model belongs to the instrument pincers field specifically is a crimping pliers.

Background

The crimping pliers is a necessary tool for conducting wire continuous crimping in the line foundation construction and line maintenance in the power industry, crimping is that a metal crimping barrel of a terminal wraps a bare wire, and the crimping barrel is mechanically pressed by a manual or automatic special crimping tool to generate connection, so that metal deforms within a specified limit to connect the wire to a contact element, good crimping connection enables the metal to flow mutually, twisted wires and the contact element material to symmetrically deform, the crimping connection is similar to cold welding connection, good mechanical strength and continuity are obtained, in the prior art, an insulating layer of the wire needs to be stripped before crimping, the operation can cause that stripped wire cores are scattered and cannot normally enter a jaw of the crimping pliers for crimping, and if manual tightening is adopted, hands can be injured, but also can lead to the pollution of other substances on hands to reduce the conductivity of the copper wires, influence the crimping quality and be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the shortcoming of prior art, provide a crimping pliers.

The utility model adopts the following technical scheme:

the utility model provides a crimping pliers, keep silent and drive including crimping pliers and keep silent the pincers body of meshing, keep silent and be provided with the line ball hole that is used for placing the terminal, be formed with the through wires hole on the terminal, still including setting up on keeping silent the relative guide subassembly with keeping silent, the guide subassembly is provided with and is used for guiding the wire to get into the bullport of through wires hole relatively with the line ball hole, the bullport aperture reduces gradually along the direction that is close to the line ball hole, the bullport is close to the aperture that the aperture of line ball hole one side equals or is less than the aperture of the corresponding terminal through wires.

Preferably, the pincers body includes fixed handle, rotates the movable handle of being connected and drive movable handle pivoted driving piece with fixed handle, keep silent and set up between fixed handle and movable handle, driving piece drive movable handle rotates in order to drive the meshing of keeping silent, the guide subassembly is including setting up the first guide board on fixed handle and setting up the second guide board relative with first guide board on movable handle, the bullport sets up between first guide board and second guide board.

Preferably, one side that first guide board and second guide board are relative is provided with first arc wall, be provided with the second arc wall relative with first arc wall on the second guide board, when driving piece drive activity handle rotation drive is kept silent the meshing, first arc wall and second arc wall form the bullport.

Preferably, a plurality of wire pressing holes with different sizes are formed in the jaw, and the guide holes are provided with a plurality of wire pressing holes and correspond to the plurality of wire pressing holes one to one.

Preferably, the guide holes are arranged at intervals in the longitudinal direction of the caliper body, and the hole diameter thereof is gradually increased.

Preferably, the guide assemblies are arranged in two groups, and the two guide assemblies are respectively arranged on two sides of the forceps body and opposite to the jaws.

Preferably, the first guide plate and the second guide plate are detachably arranged on the fixed handle and the movable handle through bolt assemblies respectively.

Preferably, the movable handle is provided with a mounting hole for mounting the second guide plate, the second guide plate is provided with a positioning hole opposite to the mounting hole, and the bolt assembly is arranged between the mounting hole and the positioning hole to fix the second guide plate on the movable handle.

Preferably, the positioning holes are strip-shaped holes.

It can be known from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are: when crimping, the terminal is placed in the crimping hole, the wire stripped from the insulating layer is guided by the guide assembly to extend into the terminal from the threading hole, the pliers body is driven to engage with the jaws to complete crimping, the guide hole is gradually reduced along the direction close to the jaws, a furling effect can be achieved on scattered wire cores, the copper wire is guided to better enter the threading hole, crimping efficiency is improved, and crimping quality is guaranteed;

the jaw drives the movable handle to rotate through the driving piece and is meshed with the jaw through the fixed handle, the guide assembly comprises a first guide plate and a second guide plate, the first guide plate and the second guide plate are opened or closed through the rotation of the movable handle, and a terminal can be placed into the crimping hole when the first guide plate and the second guide plate are opened conveniently to complete subsequent crimping operation;

the plurality of wire pressing holes with different sizes can be used for pressing and connecting terminals and wires with different sizes, the wire pressing holes and the wire pressing holes are in one-to-one correspondence to adapt to different pressing and connecting conditions, the wires with different sizes are guided, and the practicability of the wire pressing pliers is improved;

the guide assemblies opposite to the jaws are arranged on the two sides of the clamp body, so that the terminal does not need to be placed towards a specific position in a specific direction during crimping, and the crimping efficiency is further improved;

first guide board and second guide board pass through bolt assembly to be fixed respectively on fixed pincers body and activity pincers body, and the size in order to adjust the bullport hole is removed about second guide board accessible bar hole to adapt to different crimping conditions, reach better supplementary crimping effect.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a second schematic structural view of the present invention;

fig. 4 is a third schematic structural view of the present invention;

fig. 5 is a schematic structural view of the guide assembly of the present invention;

in the figure: 1-a forceps body, 11-a fixed handle, 12-a movable handle, 121-a mounting hole, 13-a driving piece, 2-a jaw, 21-a wire pressing hole, 22-a first forceps block, 23-a second forceps block, 3-a guide assembly, 31-a guide hole, 311-a first arc-shaped groove, 312-a second arc-shaped groove, 32-a first guide plate, 33-a second guide plate and 331-a positioning hole.

Detailed Description

The present invention will be further described with reference to the following detailed description.

Referring to fig. 1 to 5, the crimping pliers comprise a pliers body 1, a pliers mouth 2 and a guide assembly 3.

The pliers body 1 includes a fixed handle 11, a movable handle 12 rotatably connected to the fixed handle 11, and a driving member 13 for driving the movable handle 12 to rotate, specifically, the driving member 13 is a driving member 13 commonly used for driving the movable handle 12 to move in the field of crimping pliers, and further description of the specific structure thereof is omitted here.

The jaw 2 is arranged between a fixed handle 11 and a movable handle 12, a driving piece 13 drives the movable handle 12 to rotate so as to drive the jaw 2 to be meshed, a plurality of pressure wire holes 21 with different sizes are arranged on the jaw 2, the pressure wire holes 21 are used for placing terminals, threading holes are formed in the terminals, when in crimping, wires for stripping an insulating layer enter from the threading holes of the terminals, the jaw body 1 is driven to be meshed with the jaw 2 so that the pressure wire holes 21 are closed to finish crimping, the plurality of pressure wire holes 21 with different sizes are suitable for crimping conditions to crimp the terminals and the wires with different sizes, concretely, the jaw 2 comprises a first clamp block 22 arranged on the fixed handle 11 and a second clamp block 23 arranged on the movable handle 12, the pressure wire holes 21 are arranged between the first clamp block 22 and the second clamp block 23, the driving piece 13 drives the movable handle 12 to rotate so that the first clamp block 22 is meshed with the second clamp block 23, a gap between the first clamp block 22 and the second clamp block 23 forms the pressure wire holes 21, further, the jaw 2 is a jaw 2 commonly used in crimping pliers, and the specific structure and arrangement thereof are not further described herein.

The guide assemblies 3 are symmetrically arranged on two sides of the pliers body 1 and are opposite to the jaws 2, the guide assemblies 3 are provided with a plurality of guide holes 31 which are opposite to the pressure wire holes 21 and are used for guiding a lead to enter terminal threading holes, the guide assemblies 3 which are opposite to the jaws 2 are arranged on two sides of the pliers body 1, when in crimping, the terminal does not need to be placed towards a specific position, the terminal and the lead can extend into the pressure wire holes 21 from the guide holes 31 at any end, the crimping efficiency is improved, concretely, the aperture of one side, close to the pressure wire holes 21, of the guide holes 31 is equal to or smaller than the aperture of the corresponding terminal threading holes, the aperture is gradually increased along the direction far away from the jaws 2, a furling effect can be achieved on scattered copper wire cores, copper wires can be guided to better enter the threading holes, further, the guide holes 31 are arranged at intervals along the length direction of the pliers body 1, the apertures are gradually increased, and the pressure welding of the pressure wire, the threading hole and the crimping hole 21 correspond one to adapt to different crimping conditions, guide wires of different sizes and improve the practicability of the crimping pliers.

The guiding assembly 3 comprises a first guiding plate 32, a second guiding plate 33 and a bolt assembly, wherein the first guiding plate 32 and the second guiding plate 33 are respectively detachably arranged on the fixed handle 11 and the movable handle 12 through the bolt assembly, and can be driven by the movable handle 12 to be relatively closed or opened, a first arc-shaped groove 311 is arranged on one side of the first guiding plate 32 opposite to the second guiding plate 33, a second arc-shaped groove 312 opposite to the first arc-shaped groove 311 is arranged on the second guiding plate 33, when the driving piece 13 drives the jaw 2 to be meshed, the first guiding plate 32 and the second guiding plate 33 are relatively closed, the first arc-shaped groove 311 and the second arc-shaped groove 312 form a guiding hole 31, specifically, a mounting hole 121 for mounting the second guiding plate 33 is arranged on the movable handle 12, a positioning hole 331 opposite to the mounting hole 121 is arranged on the second guiding plate 33, the bolt assembly is arranged between the mounting hole 121 and the positioning hole 331 to fix the second guiding plate 33 on the movable, further, the locating hole 331 is the bar hole, and the second guide board 33 passes through the bar hole and can removes the size in order to adjust pilot hole 31 about the pincers body 1 to adapt to different crimping conditions, reach better supplementary crimping effect.

When in compression joint, the terminal is placed in the compression joint hole 21, then the driving piece 13 drives the movable handle 12 to fix the terminal in the compression joint hole 21, the lead with the stripped insulating layer extends into the terminal threading hole through the guide of the guide hole 31, and finally the movable handle 12 is driven to enable the jaw 2 to be meshed, so that compression joint of the terminal and the lead is completed.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.

Claims (9)

1. The utility model provides a crimping pliers, includes crimping pliers keep silent and the drive keeps silent the pincers body of meshing, keeps silent and is provided with the wire pressing hole that is used for placing the terminal, is formed with through wires hole, its characterized in that on the terminal: the wire threading device is characterized by further comprising a guide assembly arranged on the forceps body and opposite to the jaws, wherein the guide assembly is provided with a guide hole opposite to the wire pressing hole and used for guiding a wire to enter the wire threading hole, the aperture of the guide hole is gradually reduced along the direction close to the wire pressing hole, and the aperture of the guide hole close to one side of the wire pressing hole is equal to or smaller than the aperture of the corresponding terminal wire threading hole.

2. The crimping pliers according to claim 1, wherein: the pincers body includes fixed handle, rotates the movable handle of being connected and drive movable handle pivoted driving piece with fixed handle, keep silent and set up between fixed handle and movable handle, driving piece drive movable handle rotates in order to drive the meshing of keeping silent, the guide subassembly is including setting up the first guide board on fixed handle and setting up the second guide board relative with first guide board on movable handle, the bullport sets up between first guide board and second guide board.

3. The crimping pliers according to claim 2, wherein: first guide board is provided with first arc wall with the relative one side of second guide board, be provided with the second arc wall relative with first arc wall on the second guide board, when driving piece drive activity handle rotation drive is kept silent and is engaged with, first arc wall and second arc wall form the bullport.

4. A crimping tool according to any one of claims 1 to 3, wherein: the jaw is provided with a plurality of wire pressing holes with different sizes, and the guide holes are provided with a plurality of wire pressing holes in one-to-one correspondence with the wire pressing holes.

5. The crimping pliers according to claim 4, wherein: the guide holes are arranged at intervals along the length direction of the clamp body, and the hole diameter is gradually increased.

6. A crimping tool according to any one of claims 1 to 3, wherein: the guide assemblies are arranged in two groups, and the two guide assemblies are respectively arranged on two sides of the pliers body and opposite to the pliers mouth.

7. A crimping tool according to claim 2 or 3, wherein: the first guide plate and the second guide plate are detachably arranged on the fixed handle and the movable handle through bolt assemblies respectively.

8. The crimping tool of claim 7, wherein: the movable handle is provided with a mounting hole for mounting the second guide plate, the second guide plate is provided with a positioning hole opposite to the mounting hole, and the bolt assembly is arranged between the mounting hole and the positioning hole so as to fix the second guide plate on the movable handle.

9. The crimping tool of claim 8, wherein: the positioning holes are strip-shaped holes.

Images