CN220964013U - Wire harness crimping pliers - Google Patents

Abstract

The utility model discloses a wire harness crimping pliers, which comprises: the device comprises handles and handles, wherein one end of each handle is abutted against one end of each handle, the number of the handles is two, the handles are positioned between the handles, and a wire pressing device is arranged between the handles. According to the utility model, the wire and the wire harness terminal are stretched into the hole in the middle of the positioning ring, the handle and the handle are gripped, the clamp teeth are driven to press the wire and the wire harness terminal, the rotating range of the handle is regulated through the gear regulating device, the rotating range of the positioning ring is regulated, the press-connection size requirement of each terminal is changed, the wire harness terminal is prevented from being damaged due to the fact that the wire harness terminal is not pressed in a preset range by the size of the anti-rebound device, the wire harness terminal is prevented from being damaged due to the fact that the wire harness terminal is pressed in a preset range, the wire harness terminal is automatically sprung out after the wire harness terminal is pressed in the preset range, the handle and the handle are opened, the pressed wire harness terminal is taken out, and the press-connection process is completed.

Description

Wire harness crimping pliers

Technical Field

The utility model relates to the technical field of connector wire harness crimping tools, in particular to wire harness crimping pliers.

Background

The wire harness with the performance of reliability, durability and the like is a wiring component for connecting various electrical equipment in a circuit, and if the wire harness is not in place in a crimping manner, the fault rate of the wire harness of the automobile is correspondingly increased when the wire harness is more and more complex.

Most of the market is hexagonal crimping, such as: hexagonal crimping CRIMPFOX UD 6-6-1206366 Phoenix wire clamp produced by Shanghai long-pending automation equipment limited company is difficult to control by directly pressing force of hands, breakage of wires is easy to cause in the crimping process, wire harness terminal links are not allowed to be broken in principle, broken wire harness terminal links need to be crimped again, raw materials are wasted, repeated operation steps are increased, and crimping efficiency is affected.

Disclosure of utility model

In order to overcome the defects in the prior art, the crimping force is not easy to control, and the technical problem of wire breakage is easily caused in the crimping process.

One of the objects of the present utility model is to provide a wire harness crimping pliers.

One of the purposes of the utility model is realized by adopting the following technical scheme:

A wire harness crimping pliers comprising: the device comprises a handle and a handle, wherein one end of the handle is abutted against one end of the handle, the number of the handle and the number of the handle are two, the two handles are positioned between the two handles, and a wire pressing device is arranged between the two handles;

an eccentric wheel is arranged at the junction of the handles and the handles, the eccentric wheel is positioned between the two handles, a gear adjusting device is arranged on the eccentric wheel, and an anti-rebound device is arranged between the handles;

The gear adjusting device comprises a gear cam located between two handles, wherein steps with different heights are arranged on the outer side face of the gear cam, the steps are sequentially increased, a positioning screw penetrates through the eccentric wheel, a locking screw for locking the positioning screw is arranged on the eccentric wheel, and one end of the positioning screw abuts against the outer side face of the gear cam.

According to pencil crimping pincers, the line ball device is including setting up in the holding ring at the middle part of eccentric wheel, be provided with a plurality of pincers teeth on the holding ring, every pincers tooth all is along the radial direction sliding connection of holding ring, and inside is provided with first pressure spring, every pincers tooth keep away from one side fixedly connected with lug at the holding ring centre of a circle, and with the medial surface sliding connection of eccentric wheel, the arc groove of placing the lug has been seted up to the inside wall of eccentric wheel, and only enables the lug and realize one-way slip, and when the holding ring rotates, and the lug roll-off eccentric wheel's arc groove, pincers tooth is moved towards the direction at the holding ring centre of a circle.

According to the wire harness crimping pliers, the locating ring and the handle are fixedly installed through bolts.

According to the wire harness crimping pliers, one side of the handle is fixedly provided with a cover ring through bolts, a positioning ring and the handle, and a locator locking curved needle penetrates through the cover ring.

According to the wire harness crimping pliers, a gear shaft penetrates through the middle part of the gear cam, the handle and the handle, the gear shaft is rotationally connected with the handle and the handle, and the cross section of the gear shaft is in an excellent arc shape.

According to the wire harness crimping pliers, one end of the gear shaft is provided with a shaft position retainer ring, the other end of the gear shaft penetrates through a gear position locking curved needle, the outer side face of the gear shaft is sleeved with a gear position button with a gear position mark, the gear position button is located between the gear position locking curved needle and the handle, and a second pressure spring is arranged outside the gear position shaft.

According to the wire harness crimping pliers, a plurality of axle position pins and locating pins are respectively arranged between each two handles and the handles, the wire harness crimping pliers are fixedly installed through the axle position pins and the locating pins, a plurality of half arc grooves are formed in the outer side face of the gear knob, and one axle position pin on each handle is clamped into the half arc groove of the gear knob.

According to the wire harness crimping pliers, the rebound prevention device comprises two sickle tooth baffle plates, the two sickle tooth baffle plates are sleeved outside a plurality of positioning pins in the handle, sickle teeth are arranged between the two sickle tooth baffle plates, the outer side face of each positioning pin on one handle is rotationally connected with a chaste tooth, the outer side face of each positioning pin on the other handle is sleeved with a second tension spring, and the other end of each second tension spring is hooked with the chaste tooth.

According to the wire harness crimping pliers, a first tension spring is arranged between the two handles, and two ends of the first tension spring are respectively hooked on the handle and the handles.

According to the wire harness crimping pliers, the limiting shaft is fixedly arranged on the handle.

The scheme has the beneficial effects that:

1. The wire and the wire harness terminal extend into the hole in the middle of the positioning ring, the handle and the handle are gripped, the clamp teeth are driven to press the wire and the wire harness terminal, the rotating range of the handle is adjusted through the gear adjusting device, the rotating range of the positioning ring is further adjusted, and the press-connection size requirement of each terminal is changed.

2. Through the anti-rebound device, the size is pressed and is not loosened by the number of the teeth of the chaste tree in the preset range, the size is prevented from being pressed and is not in the preset standard range, the tension value of the wire harness terminal is reduced and scrapped, the teeth of the chaste tree are automatically sprung out after being pressed to the preset range, the handles and the handles are opened, the wire harness terminal which is well pressed and connected is taken out, and the pressing and connecting process is completed.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

Fig. 1 is an internal structural view of a wire harness crimping pliers according to the present utility model;

Fig. 2 is a front view of the crimp of the wire harness crimping pliers according to the present utility model;

FIG. 3 is an uncrimped view of a wire harness crimping pliers according to the present utility model;

FIG. 4 is an internal structural view of a handle of the wire harness crimping pliers according to the present utility model;

fig. 5 is an internal construction view of a handle of the wire harness crimping pliers according to the present utility model;

FIG. 6 is an internal structural view of a locating ring of the wire harness crimping pliers according to the present utility model;

FIG. 7 is an internal structural view of an eccentric wheel of the wire harness crimping pliers according to the present utility model;

FIG. 8 is a block diagram of a shift knob of the wire harness crimping pliers according to the present utility model;

fig. 9 is a block diagram of tooth crimping of the wire harness crimping pliers according to the present utility model.

Legend description:

1. A handle; 2. an axle pin; 3. a handle; 4. a positioning pin; 5. sickle tooth; 6. a first tension spring; 7. an eccentric wheel; 8. a set screw; 9. a locking screw; 10. a positioning ring; 11. jaw teeth; 12. a gear cam; 13. a gear shaft; 14. gear torque; 15. a cover ring; 16. the locator locks the curved needle; 17. a limiting shaft; 18. a sickle tooth flap; 19. a second tension spring; 20. jing Chi; 22. an axle position baffle ring; 23. gear locking curved needle; 24. a first compression spring; 25. a bump; 26. and a second compression spring.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1 to 9, a wire harness crimping pliers according to an embodiment of the present utility model includes: the novel electric bicycle comprises a handle 1 and a handle 3, wherein one end of the handle 1 is abutted against one end of the handle 3, the number of the handles 1 and the number of the handles 3 are two, the handles 1 are positioned between the handles 3, and a wire pressing device is arranged between the handles 1.

The juncture of handle 1 and handle 3 is provided with eccentric wheel 7, eccentric wheel 7 is located between two handles 1, the crimping device is including setting up in the holding ring 10 at the middle part of eccentric wheel 7, be provided with a plurality of pincers tooth 11 on the holding ring 10, every pincers tooth 11 all is along the radial direction sliding connection of holding ring 10, and inside is provided with first pressure spring 24, one side fixedly connected with lug 25 of the centre of a circle of holding ring 10 is kept away from to every pincers tooth 11, and with the medial surface sliding connection of eccentric wheel 7, the arc groove of placing lug 25 is offered to the inside wall of eccentric wheel 7, the arc groove on the eccentric wheel 7 only can make the lug 25 realize one-way slip after the extrusion, as shown in fig. 7, when holding ring 10 rotates, and the lug 25 slides out the arc groove of eccentric wheel 7, pincers tooth 11 moves towards the direction of holding ring 10 centre of a circle, the quantity of pincers tooth 11 is preferably four, realize four-core eight-point type technology, first pressure spring 24 presses pincers tooth 11, drive lug 25 press towards the inside wall of eccentric wheel 7, make lug 25 card be equipped with in the arc groove of eccentric wheel 7.

One side of the handle 3 is fixedly provided with a cover ring 15 through bolts and a positioning ring 10 and the handle 3, a locator locking curved needle 16 penetrates through the cover ring 15, a plurality of locators can be matched on the cover ring 15 for use, locators of different types are replaced according to the size of a required crimping size, a gear adjusting device is arranged on the eccentric wheel 7, and an anti-rebound device is arranged between the handle 1 and the handle 3.

The gear adjusting device comprises a gear cam 12 positioned between two handles 1, the outer side surface of the gear cam 12 is provided with steps with different heights, the steps are sequentially increased, as shown in fig. 1 or 5, a positioning screw 8 penetrates through an eccentric wheel 7, a locking screw 9 for locking the positioning screw 8 is arranged on the eccentric wheel 7, one end of the positioning screw 8 abuts against the outer side surface of the gear cam 12, the compression joint size requirement of each terminal is changed, and the lower end of the positioning screw 8 abuts against the gear cam 12 on different side lines, so that the downward pressing range of a handle 3 is adjusted.

When the handle 1 and the handle 3 are gripped by hands, the handle 3 drives the positioning ring 10, the clamp teeth 11 and the eccentric wheel 7 to rotate, when the positioning screw 8 on the eccentric wheel 7 abuts against the gear cam 12, the handle 1 and the handle 3 continue to rotate mutually, in the process, the handle 3 positioning ring 10 rotates, the positioning ring 10 drives the clamp teeth 11 and the protruding blocks 25 to rotate, the protruding blocks 25 rotate along the inner side surfaces of the eccentric wheel 7 and slide out of the arc grooves of the eccentric wheel 7, and as the diameter of the arc grooves is larger than the inner diameter of the eccentric wheel 7, the clamp teeth 11 move towards the circle center of the positioning ring 10 along with the sliding of the protruding blocks 25, and the first pressure springs 24 slowly compress, so that the plurality of clamp teeth 11 press-contact wires in the middle holes of the positioning ring 10.

The middle part of gear cam 12, handle 1 and handle 3 are gone up and are all run through and have a gear shaft 13, gear shaft 13 all rotates with handle 1 and handle 3 to be connected, the cross section of gear shaft 13 is excellent arc, one end of gear shaft 13 is provided with axle position retainer 22, the other end of gear shaft 13 runs through and has gear locking curved needle 23, gear shaft 13's lateral surface cover is equipped with the gear that has the gear sign and turns round 14, gear is turned round 14 and is located between gear locking curved needle 23 and handle 1, gear locking curved needle 23 is used for restricting gear and turns round 14 outwards to remove, the outside of gear shaft 13 is provided with second pressure spring 26, it is spacing with handle 1 to be provided with gear shaft 13 through axle position retainer 22, second pressure spring 26 drives gear shaft 13 and pulls towards the direction of axle position retainer 22 for gear shaft 13 card is in the inside of handle 1.

A plurality of axle position pins 2 and locating pins 4 are respectively arranged between each two handles 1 and the handles 3, the axle position pins 2 and the locating pins 4 are fixedly installed, a plurality of half arc grooves are formed in the outer side face of the gear torque 14, one axle position pin 2 on the handle 1 is clamped into the half arc groove of the gear torque 14, and rotation of the gear torque 14 is blocked through one axle position pin 2.

When the gear of the line ball needs to be adjusted, the gear locking curved needle 23 is detached by hand, the second pressure spring 26 slowly pulls the rope outwards on the gear shaft 13, the gear shaft 13 drives the gear knob 14 to move outwards, the half arc groove of the gear knob 14 moves to the front side of the shaft position pin 2 which limits the movement of the gear knob 14 on the handle 1, the gear shaft 13 slowly rotates by hand, the gear cam 12 and the gear knob 14 are driven to rotate by the gear shaft 13, the lower end of the positioning screw 8 leans against edges with different radiuses in the gear cam 12, so that the gear is adjusted, when the hand is loosened after adjustment, the second pressure spring 26 drives the gear shaft 13 and the gear knob 14 to move towards the direction of the shaft position baffle 22 until the half arc grooves of the gear knob 14 are clamped into the shaft position pin 2 which limits the rotation of the gear knob 14, and the adjustment of the gear is realized.

The rebound prevention device comprises two sickle tooth baffle plates 18, the two sickle tooth baffle plates 18 are sleeved outside a plurality of positioning pins 4 in the handle 3, sickle teeth 5 are arranged between the two sickle tooth baffle plates 18, the sickle tooth baffle plates 18 are used for limiting the sickle teeth 5, the outer side face of the positioning pin 4 on one handle 1 is rotationally connected with a vitex tooth 20, the outer side face of the positioning pin 4 on the other handle 1 is sleeved with a second tension spring 19, and the other end of the second tension spring 19 is hooked with the vitex tooth 20.

When the press connection is carried out, the handle 1 and the handle 3 are close to each other, the tooth block at the lower end of the sickle tooth 5 abuts against the chaste tooth 20, the second tension spring 19 pulls one end of the chaste tooth 20, meanwhile, the other end of the chaste tooth 20 is extruded by the sickle tooth 5, so that the chaste tooth 20 rotates downwards, when the chaste tooth 20 is positioned at the tooth block of the sickle tooth 5, the handle 1 and the handle 3 are rotated outwards by hands, and the reverse rotation of the handle 1 and the handle 3 is limited by the rotation angle of the chaste tooth 20 and can only rotate inwards; when the handle 1 and the handle 3 are pressed to the bottom, the handle 1 and the handle 3 are rotated outwards, the vitex tooth 20 slowly moves along the tooth block of the sickle tooth 5, and the vitex tooth 20 rotates upwards, when the handle 1 and the handle 3 are pressed inwards by hands, the sickle tooth 5 is blocked from moving downwards and can only move outwards due to the upward inclination of the vitex tooth 20, so that each press connection is ensured to meet the standard, and the successful press connection cannot rebound.

A first tension spring 6 is arranged between the two handles 1, two ends of the first tension spring 6 are respectively hooked on the handle 3 and the handles 1, the first tension spring 6 is used for driving the handles 1 and the handles 3 to be in an initial state, a limiting shaft 17 is fixedly arranged on the handles 3, the limiting shaft 17 is located at the arc-shaped part of the inner ring of the handles 1, and stability of rotation between the handles 1 and the handles 3 is improved.

Working principle: when the wire and wire harness terminal crimping device is used, a wire and the wire harness terminal are stretched into a hole in the middle of the positioning ring 10, the handle 1 and the handle 3 are gripped, the clamp teeth 11 are driven to crimp the wire and the wire harness terminal, the rotating range of the handle 3 is adjusted through the gear adjusting device, the rotating range of the positioning ring 10 is further adjusted, crimping size requirements of all terminals are changed, the wire harness terminal crimping device is arranged to prevent the wire harness terminal crimping device from being loosened when the wire harness terminal crimping device is not pressed to a preset range, the wire harness terminal pulling force value is reduced and scrapped when the wire harness terminal crimping device is prevented from being pressed to a preset range, the wire harness terminal crimping device is automatically sprung off when the wire harness terminal crimping device is pressed to the preset range, the handle 1 and the handle 3 are opened, the wire harness terminal crimping is taken out, and the crimping process is completed.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. Wire harness crimping pliers includes: the novel electric bicycle comprises handles (1) and handles (3), wherein one end of each handle (1) is abutted against one end of each handle (3), and the novel electric bicycle is characterized in that the number of the handles (1) and the number of the handles (3) are two, the handles (1) are located between the handles (3), and a wire pressing device is arranged between the handles (1);

An eccentric wheel (7) is arranged at the junction of the handles (1) and the handles (3), the eccentric wheel (7) is positioned between the two handles (1), a gear adjusting device is arranged on the eccentric wheel (7), and an anti-rebound device is arranged between the handles (1) and the handles (3);

the gear adjusting device comprises gear cams (12) located between two handles (1), steps with different heights are arranged on the outer side faces of the gear cams (12), the steps are sequentially increased, positioning screws (8) penetrate through the eccentric wheel (7), locking screws (9) for locking the positioning screws (8) are arranged on the eccentric wheel (7), and one ends of the positioning screws (8) are abutted against the outer side faces of the gear cams (12).

2. The wire harness crimping pliers according to claim 1, wherein the wire pressing device comprises a positioning ring (10) arranged at the middle part of the eccentric wheel (7), a plurality of pliers teeth (11) are arranged on the positioning ring (10), each pliers tooth (11) is slidably connected along the radial direction of the positioning ring (10), a first pressure spring (24) is arranged inside, one side, far away from the center of the positioning ring (10), of each pliers tooth (11) is fixedly connected with a lug (25) and slidably connected with the inner side surface of the eccentric wheel (7), an arc groove for placing the lug (25) is formed in the inner side wall of the eccentric wheel (7), the lug (25) can only realize unidirectional sliding, and when the positioning ring (10) rotates and the lug (25) slides out of the arc groove of the eccentric wheel (7), the pliers teeth (11) move towards the center of the positioning ring (10).

3. Wire harness crimping pliers according to claim 2, characterized in that the positioning ring (10) is fixedly mounted with the handle (3) by means of bolts.

4. The wire harness crimping pliers according to claim 3, wherein a cover ring (15) is fixedly arranged on one side of the handle (3) and the handle (3) through bolts and positioning rings (10), and a locator locking curved needle (16) penetrates through the cover ring (15).

5. The wire harness crimping pliers according to claim 4, wherein a gear shaft (13) penetrates through the middle part of the gear cam (12), the handle (1) and the handle (3), the gear shaft (13) is rotatably connected with the handle (1) and the handle (3), and the cross section of the gear shaft (13) is in a preferable arc shape.

6. The wire harness crimping pliers according to claim 5, wherein one end of the gear shaft (13) is provided with a shaft position retainer ring (22), the other end of the gear shaft (13) penetrates through a gear locking curved needle (23), a gear torque (14) with a gear mark is sleeved on the outer side surface of the gear shaft (13), the gear torque (14) is located between the gear locking curved needle (23) and the handle (1), and a second pressure spring (26) is arranged outside the gear shaft (13).

7. The wire harness crimping pliers according to claim 6, wherein a plurality of shaft position pins (2) and positioning pins (4) are respectively arranged between each two handles (1) and the handles (3), the wire harness crimping pliers are fixedly installed through the shaft position pins (2) and the positioning pins (4), a plurality of half-arc grooves are formed in the outer side face of the gear torque (14), and one shaft position pin (2) on each handle (1) is clamped into the half-arc groove of the gear torque (14).

8. The wire harness crimping pliers as claimed in claim 7 wherein the rebound prevention device comprises two sickle tooth blocking pieces (18), wherein the two sickle tooth blocking pieces (18) are sleeved outside a plurality of positioning pins (4) in the handle (3), sickle teeth (5) are arranged between the two sickle tooth blocking pieces (18), the outer side surface of the positioning pin (4) on one handle (1) is rotatably connected with a vitex tooth (20), the outer side surface of the positioning pin (4) on the other handle (1) is sleeved with a second tension spring (19), and the other end of the second tension spring (19) is hooked with Jing Chi (20).

9. Harness crimping pliers according to any one of claims 1 to 8, characterized in that a first tension spring (6) is arranged between the two handles (1), and two ends of the first tension spring (6) are hooked on the handle (3) and the handles (1) respectively.

10. Wire harness crimping pliers according to claim 9, characterized in that the handle (3) is fixedly fitted with a limit shaft (17).