CN215645379U

CN215645379U - Portable electric crimping pliers

Info

Publication number: CN215645379U
Application number: CN202121485662.4U
Authority: CN
Inventors: 邓鑫; 李杰峰; 徐蛟; 肖浪; 尹鲁岗
Original assignee: Cgn Lufeng Nuclear Power Co ltd
Current assignee: Cgn Lufeng Nuclear Power Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-25
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a portable electric crimping tong which comprises a tong shell, a fixed tong head and a movable tong head which are arranged at one end of the tong shell, a gear assembly and a driving assembly, wherein the gear assembly and the driving assembly are arranged in the tong shell; the gear assembly comprises a bevel gear and a sector gear; the bevel gear is connected with the driving assembly, one end of the sector gear is meshed with the bevel gear, and the other end of the sector gear is fixedly connected with the movable tong head; the driving component drives the gear component to rotate, so that the movable tong head is driven to rotate relative to the fixed tong head to realize opening and closing. The portable electric crimping pliers are simple and reliable in structure, electric and labor-saving, and improve crimping efficiency and crimping quality.

Description

Portable electric crimping pliers

Technical Field

The utility model relates to a crimping pliers, in particular to a portable electric crimping pliers.

Background

The wire pressing pliers can be manufactured by a low-voltage signal cable termination terminal, tens of thousands or even hundreds of thousands of wiring terminals need to be manufactured manually when the cables of electrical system equipment in the industries of electric power, chemical engineering, ships and the like are terminated, the existing wire pressing pliers in the market are manual wire pressing pliers, and time and labor are wasted when a large number of wiring terminals are manufactured. Different staff use the binding post quality of manual formula wire crimper preparation uneven and lead to connecting resistance to increase, and the terminal can heat up ageing when equipment long term operation, can lead to wiring short circuit or conflagration under the severe condition, influences the safe operation of electrical system.

When the staff need carry a large amount of on-the-spot big preparation low pressure signal binding post in batches, use manual wire crimper have the following problem:

manual compression joint is adopted, so that the working efficiency is low;

different people make the quality of the wiring terminals uneven;

the function is single, only can suppress one or several wire diameter binding posts.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a portable electric crimping pliers which can improve crimping efficiency and quality.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the portable electric crimping pliers comprise a pliers body shell, a fixed pliers head and a movable pliers head which are arranged at one end of the pliers body shell, a gear assembly and a driving assembly, wherein the gear assembly and the driving assembly are arranged in the pliers body shell;

the gear assembly comprises a bevel gear and a sector gear; the bevel gear is connected with the driving assembly, one end of the sector gear is meshed with the bevel gear, and the other end of the sector gear is fixedly connected with the movable tong head; the driving component drives the gear component to rotate, so that the movable tong head is driven to rotate relative to the fixed tong head to realize opening and closing.

Preferably, the driving assembly comprises a motor, a reduction box connected to the output end of the motor; the bevel gear is fixedly connected to an output shaft of the reduction gearbox.

Preferably, the drive assembly further comprises a battery connected to and powering the motor.

Preferably, the fixed tong head comprises a fixed pressing piece fixed on one end of the tong body shell and a first crimping clamping piece detachably arranged on one side of the fixed pressing piece facing the movable tong head;

the movable tong head comprises a movable pressing piece and a second compression joint clamping piece, wherein the movable pressing piece is rotatably arranged at one end of the tong body shell, and the second compression joint clamping piece is detachably arranged on one side, facing the movable tong head, of the movable pressing piece.

Preferably, the forceps body shell comprises a front end part, a handle part and a rear end part which are connected in sequence; the fixed tong head and the movable tong head are arranged on the front end portion, the gear assembly is arranged in the front end portion, and the driving assembly is arranged in the handle portion.

Preferably, the outer circumferential dimensions of the front and rear end portions are larger than the outer circumferential dimension of the handle portion.

Preferably, a battery compartment for placing a battery is formed in the rear end portion.

Preferably, the clamp body shell is a plastic shell.

Preferably, the clamp body shell further comprises an anti-slip rubber layer coated on the periphery of the handle part.

Preferably, the portable electric crimping pliers further comprise a switch piece arranged on the pliers body shell and electrically connected with the driving assembly.

The utility model has the beneficial effects that: simple structure is reliable, and is electronic laborsaving, improves crimping efficiency and crimping quality.

The realization of dismantling of crimping clamping piece is removable, is suitable for multiple wire footpath terminal crimping, has also improved termination efficiency when guaranteeing termination quality.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a schematic view of an internal structure of a portable electric crimping pliers according to an embodiment of the present invention.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

As shown in fig. 1, the portable electric crimping pliers according to an embodiment of the present invention includes a pliers housing 10, a fixed pliers head 20 and a movable pliers head 30 disposed on one end of the pliers housing 10, a gear assembly 40 and a driving assembly 50 disposed in the pliers housing 10, and a switch 60 disposed on the pliers housing 10 and electrically connected to the driving assembly 50.

The fixed caliper head 20 is fixed to the caliper housing 10 at one end of the caliper housing 10, the movable caliper head 30 is fixed to the fixed caliper head 20 at one end of the caliper housing 10, and the movable caliper head 30 can rotate relative to the caliper housing 10 and the fixed caliper head 20 to open and close the fixed caliper head 20 and the movable caliper head 30. The gear assembly 40 is connected with the movable tong head 30, the driving assembly 50 is connected with the gear assembly 40 and drives the gear assembly 40 to rotate, and the gear assembly 40 rotates to drive the movable tong head 30 to rotate relative to the fixed tong head 20 to realize opening and closing.

Specifically, the caliper housing 10 is typically made of an insulating material, such as engineering plastic, to form a plastic housing. The forceps body shell 10 can comprise a front end part 11, a handle part 12 and a rear end part 13 which are connected in sequence; the fixed and

movable bits

20, 30 are disposed on the front end portion 11, the gear assembly 40 is disposed within the front end portion 11, and the driving assembly 50 is disposed within the handle portion 12.

The outer peripheral dimensions of the front end portion 11 and the rear end portion 13 are larger than those of the handle portion 12, so that the front end portion 11 and the rear end portion 13 have enough space for accommodating related structural components; the handle portion 12 is sized to facilitate hand grasping, improving the user's handling and portability.

Further, the forceps housing 10 further includes a non-slip rubber layer (not shown) covering the outer periphery of the handle portion 12, so as to ensure convenience in use.

The stationary jaw 20 is disposed at an end of the front end portion 11 away from the handle portion 12 and outside the front end portion 11. The fixed jaw 20 may specifically include a fixed pressing member 21 and a first pressing jaw 22; the fixed pressing member 21 is fixed to the front end portion 11 (i.e., one end of the caliper housing 10) by locking, engaging, or the like; the first crimping jaw 22 is preferably detachably arranged on the side of the holding element 21 facing the movable jaw 30. The removable arrangement of the first crimp jaws 22 facilitates replacement as needed, for example, replacement of crimp jaws with corresponding crimp grooves as needed for the wire diameter to be crimped.

The movable jaw 30 is also provided on the end of the front end portion 11 remote from the grip portion 12, and is located outside the front end portion 11, opposite to the fixed jaw 20. The movable clamp head 30 may specifically include a movable pressing piece 31 and a second pressing jaw 32; the movable pressing member 31 may be rotatably coupled to the front end portion 11 (i.e., one end of the caliper housing 10) via a coupling shaft 33, and may be fixedly coupled to the gear assembly 40. The second crimping clip 32 is detachably provided on the side of the dynamic pressure member 31 facing the dynamic pressure head 20. The detachable arrangement of the second crimping clip 32 facilitates replacement as needed, for example, replacing a crimping clip with a corresponding indent according to the wire diameter to be crimped.

The gear assembly 40 includes a bevel gear 41 and a sector gear 42; the bevel gear 41 is connected with the driving assembly 50, one end of the sector gear 42 is meshed with the bevel gear 41, and the other end is fixedly connected with the movable jaw 30. In the present embodiment, the gear assembly 40 is located in the front end 11 of the caliper housing 10, and the sector gear 42 faces and is connected to the dynamic pressure member 31 of the movable caliper head 30 with its rear end, and faces the bevel gear 41 with its end having the teeth, and meshes with the bevel gear 41. When the bevel gear 41 rotates in a circular manner, the sector gear 42 engaged therewith is driven to swing back and forth in two opposite directions, and the movable jaw 30 is driven to swing to open and close with the fixed jaw 20.

The drive assembly 50 includes a motor 51, a reduction gearbox 52 connected to an output of the motor 51. In the present embodiment, the motor 51 and the reduction box 52 are located in the handle portion 12 of the caliper housing 10. Wherein, the reduction box 52 is located on one side of the motor 51 facing the gear assembly 40 and connected to the output end of the motor 51 for reducing the rotation speed of the motor 51. The gear assembly 40 is fixedly connected to an output shaft of the reduction box 52 through the bevel gear 41, and the motor 51 rotates and then drives the bevel gear 41 to rotate after being reduced in speed through the reduction box 52.

The drive assembly 50 also includes a battery (not shown) connected to and powering the motor 51. To facilitate the storage of the battery, a battery compartment may be formed in the rear end 13 of the forceps housing 10 for accommodating the battery. The battery can be a 36V replaceable lithium battery, and the endurance is reliable.

The battery compartment can be provided with a cover body which can be opened and closed, so that the battery can be conveniently replaced.

The switch 60 is preferably disposed on the front end 11 of the caliper housing 10 for easy operation by the user. Alternatively, the switch 60 may be a push switch. The front end portion 11 may further have a touch switch electrically connected to the driving assembly 50, and the touch switch may be correspondingly disposed to the push switch, and when the push switch is pressed, the touch switch may be triggered to start the driving assembly 50.

When the portable electric crimping pliers are used, the driving assembly 50 is started through the switch part 6, wherein the battery supplies power to the motor 51 to enable the motor 51 to operate, the conical gear 41 is driven to rotate through the reduction box 52, the conical gear 41 drives the sector gear 42 to rotate, and the sector gear 42 drives the movable pliers head 30 to rotate and close to the fixed pliers head 20 by utilizing the large contact surface, the large stress surface and the strong torsion between the sector arc teeth 42 and the conical gear 41, so that the pressing of a low-voltage signal cable termination terminal is realized.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A portable electric wire crimper is characterized in that the portable electric wire crimper comprises a plier body shell, a fixed plier head and a movable plier head which are arranged on one end of the plier body shell, a gear assembly and a driving assembly which are arranged in the plier body shell;

2. The portable electric crimping pliers according to claim 1, wherein the drive assembly comprises a motor, a reduction box connected to an output of the motor; the bevel gear is fixedly connected to an output shaft of the reduction gearbox.

3. The portable electric crimping pliers of claim 2 wherein the drive assembly further includes a battery connected to and powering the motor.

4. The portable electric crimping pliers according to claim 1, wherein the fixed pliers head comprises a fixed pressing piece fixed on one end of the pliers body shell, and a first crimping clip detachably arranged on one side of the fixed pressing piece facing the movable pliers head;

5. The portable electric crimping pliers according to claim 1, wherein the pliers body housing comprises a front end portion, a handle portion and a rear end portion which are connected in sequence; the fixed tong head and the movable tong head are arranged on the front end portion, the gear assembly is arranged in the front end portion, and the driving assembly is arranged in the handle portion.

6. The portable electric crimping tool according to claim 5, wherein the outer peripheral dimensions of the front and rear end portions are larger than the outer peripheral dimensions of the handle portion.

7. The portable electric crimping tool according to claim 5, wherein a battery compartment for placing a battery is formed in the rear end portion.

8. The portable electric crimping pliers according to claim 5, wherein the pliers body housing is a plastic housing.

9. The portable electric crimping pliers according to claim 5, wherein the pliers body housing further comprises a non-slip rubber layer covering the outer periphery of the handle portion.

10. The portable electric crimping tool according to any one of claims 1 to 9, further comprising a switch member disposed on the body housing and electrically connected to the driving assembly.