CN214589630U

CN214589630U - Crimping pliers

Info

Publication number: CN214589630U
Application number: CN202121066655.0U
Authority: CN
Inventors: 陈雪方
Original assignee: Yuhuan Hengguang Hydraulic Tools Co ltd
Current assignee: Yuhuan Hengguang Hydraulic Tools Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-11-02
Anticipated expiration: 2031-05-18

Abstract

The utility model provides a crimping pliers belongs to hand tool technical field. It includes the base, the upper end of base sets up pincers headstock, be provided with the mould mechanism in the pincers headstock, the mould mechanism includes public mould and master model, the lower extreme of master model is fixed with the slide bar that runs through pincers headstock and base, the bottom connecting plate of slide bar, be provided with left handle and right handle between the connecting plate, the upper end of left handle and right handle sets up the fluted disc in opposite directions, the pressure regulating hole has been seted up to the fluted disc below of left handle and right handle, both ends all articulate about the base has the second articulated shaft, terminal surface and rear end all are provided with left connecting rod and right connecting rod before the base, left connecting rod is articulated fixedly through left pressure regulating bolt with the pressure regulating hole of left handle below, right connecting rod is articulated fixedly through right pressure regulating bolt with the pressure regulating hole of right handle below, left pressure regulating bolt is eccentric bolt with right pressure regulating bolt. The crimping clamp has the advantages of simple and convenient pressure adjustment and regulation of crimping, wider crimping size range and die cost saving.

Description

Crimping pliers

Technical Field

The utility model belongs to the technical field of hand tool, refer in particular to a crimping pliers.

Background

The crimping pliers are common and necessary tools no matter in the construction of an on-line road foundation in the power industry or in the crimping work of aluminum plastic pipes and copper pipes. Traditional crimping pincers, to the thickness adjustment of required crimping cable adopt the binding clip mould that sets up different bores and interlock from top to bottom. However, in the actual crimping process, the crimping thickness range is wide, and if only the tong head dies with different calibers are disassembled and assembled, the tong head dies with more size ranges need to be configured, so that the cost is high and the disassembly and assembly are complicated; if a small number of tong head molds with large caliber difference are arranged, although the expenditure of cost is reduced, the compression joint is not firm or over-tight, and internal elements of the cable, copper pipe connectors or aluminum plastic pipe connectors are damaged, so that greater economic loss is brought.

Disclosure of Invention

The present invention is to solve the above problems, and provides a crimping pliers, which can be configured with less pliers head molds without affecting the crimping effect.

The purpose of the utility model is realized like this:

a pair of crimping pliers comprises a base, wherein a U-shaped pliers head frame is arranged at the upper end of the base, a die mechanism is arranged in the pliers head frame and comprises a male die and a female die which are arranged up and down, the male die and the female die are matched to form a jaw, a sliding rod which penetrates through the pliers head frame and the base and can slide up and down is fixed at the lower end of the female die, connecting plates are fixed at the front and back of the bottom of the sliding rod respectively, a left handle and a right handle are hinged between the connecting plates respectively in a mode of penetrating and arranging two first hinged shafts, meshed fluted discs are oppositely arranged at the upper ends of the left handle and the right handle, pressure regulating holes are formed below the fluted discs of the left handle and the right handle, second hinged shafts which are arranged front and back are hinged at the left and right ends of the base, left connecting rods and right connecting rods which are hinged at the front and back end faces of the base are hinged and fixed with the pressure regulating holes formed below the left handle through left pressure regulating bolts, the front and back right connecting rods are hinged and fixed with pressure regulating holes arranged below the right handle through right pressure regulating bolts, and the left pressure regulating bolt and the right pressure regulating bolt are eccentric bolts.

The utility model discloses further set up to, the top of base sets up the revolving stage, the lateral wall of revolving stage is located to the bottom cover of pincers headstock, and the upper end spiro union of revolving stage lateral wall has lock nut, be provided with the nut groove with lock nut looks adaptation on the pincers headstock.

The utility model discloses further set up to, the horizontal cross-section in lock nut and nut groove is circular.

The utility model discloses further set up to, public mould and master model are C shape structure, and the one end of public mould articulate in the one end of pincers headstock, the other end of public mould is fixed in the other end of pincers headstock through locking mechanism.

The utility model discloses further set up to, locking mechanism is including articulating in the latch hook of pincers headstock one end, the one end of public mould is provided with the lock post with latch hook looks adaptation.

The utility model discloses further set up to, the lower extreme shaping of latch hook has the pressure board.

The utility model discloses further set up to, left side pressure regulating bolt all is provided with the pressure digit dish with the front end of right side pressure regulating bolt.

The utility model discloses further set up to, left side handle all is provided with limit stop with the right side handle inboard, and when left side handle and right side handle move in opposite directions, the limit stop of both sides is close gradually and offsets.

The utility model discloses further set up to, the extension sleeve pipe is all established with the below cover of right hand handle to left hand handle, and extension sheathed tube lower extreme is fixed with handheld portion.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the left connecting rod and the right connecting rod which are positioned on the front end surface and the rear end surface are finely adjusted in the upper position and the lower position through the left pressure regulating bolt and the right pressure regulating bolt which are eccentric bolts, the vertical sliding range of the sliding rod can be finely adjusted, so that the die with less configuration and certain difference in caliber also has a wider range of crimping calibers, and the cost is saved; meanwhile, the mode of adjusting is that the left and right adjusting bolts are rotated, so that the operation is very simple and convenient.

2. The utility model provides a binding clip frame can rotate at the lateral wall of revolving stage, makes before crimping pincers at the crimping, and the binding clip position can carry out 360 rotations, lets the crimping operation more convenient.

3. The utility model discloses further set up and adopt the cross-section to be circular shape design with lock nut and nut groove, not only ensure the pincers headstock can rotate, can prevent simultaneously that the pincers headstock from changeing and breaking away from, do not influence normal use.

4. The utility model discloses well public mould adopts one end to articulate in pincers headstock, and the other end is fixed with locking mechanism's mode for at the crimping in-process, the public mould can maximize open, be convenient for put into the cable.

5. The utility model provides a pressure digit dish that left and right pressure regulating bolt's preceding terminal surface set up not only can be the same with the pressure regulation index of left handle and right handle, but also can show the big or small position of pressure, the narrow range pressure regulating of the crimping pincers of being convenient for.

6. The utility model discloses a limit stop provides the restriction of crimping scope, ensures the life of crimping pincers when can using crimping pincers.

7. The utility model discloses lower extreme at left handgrip and have the handle sets up the extension sleeve pipe, can make the handle longer, and is more laborsaving when letting the crimping.

Drawings

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

fig. 2 is a partial structural diagram of the first embodiment of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

fig. 4 is a schematic diagram of the present invention in partial exploded form;

FIG. 5 is a schematic structural view of the right pressure adjusting bolt of the present invention;

reference numerals:

1-a base; 10-a second articulated shaft; 11-a left connecting rod; 12-a right connecting rod; 13-a turntable; 14-a lock nut;

2-a forceps head frame; 20-nut grooves;

3-a mould mechanism; 30-male die; 31-a master mold; 32-jaws; 33-a lock cylinder;

4-a slide bar;

5-connecting plates; 50-first articulated shaft

6-left handle; 60-a fluted disc; 61-pressure regulating holes; 62-left pressure regulating bolt; 63-extension sleeve; 64-a hand-held portion;

7-a right handle; 70-right pressure regulating bolt; 71-pressure digital disc; 72-limit stop;

8-a locking mechanism; 80-a latch hook; 81-pressing plate.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which fig. 1-5:

a crimping clamp comprises a base 1, a U-shaped clamp head frame 2 is arranged at the upper end of the base 1, a mold mechanism 3 is arranged in the clamp head frame 2, the mold mechanism 3 comprises a male mold 30 and a female mold 31 which are arranged up and down, the male mold 30 and the female mold 31 which are matched form a jaw 32, a slide bar 4 which penetrates through the clamp head frame 2 and the base 1 and can slide up and down is fixed at the lower end of the female mold 31, connecting plates 5 are fixed at the front and back of the bottom of the slide bar 4, a left handle 6 and a right handle 7 are respectively hinged between the connecting plates 5 in a mode of penetrating and arranging two first hinge shafts 50, fluted discs 60 which are meshed with each other are oppositely arranged at the upper ends of the left handle 6 and the right handle 7, pressure regulating holes 61 are respectively arranged below the fluted discs 60 of the left handle 6 and the right handle 7, second hinge shafts 10 which are arranged front and back are hinged at the left end and the right end of the base 1, a left connecting rod 11 and a right connecting rod 12 which are hinged with the second hinge shafts 10 are arranged at the front end face and the rear end face of the base 1, the front and rear left connecting rods 11 are hinged and fixed with the pressure regulating holes 61 arranged below the left handle 6 through the left pressure regulating bolts 62, the front and rear right connecting rods 12 are hinged and fixed with the pressure regulating holes 61 arranged below the right handle 7 through the right pressure regulating bolts 70, and the left pressure regulating bolts 62 and the right pressure regulating bolts 70 are eccentric bolts.

In the crimping process, put into the cable and keep silent 32 in, press from both sides tightly in opposite directions through with left handle 6 and right handle 7, rely on the fluted disc 60 of looks adaptation to make left handle and right handle 7 synchronous rotation, press from both sides tight in-process, the lower extreme of front and back left connecting rod 11 and right connecting rod 12 all inwards moves, the fluted disc upward movement of synchronous motion left handle 6 and right handle 7, promote connecting plate 5 upward movement, realize the rebound of slide bar 4, it presss from both sides tightly with public mould 30 to drive master model 31 rebound.

The principle of realizing the pressure regulation under the condition that the male die 30 and the female die 31 are not replaced is as follows:

for eccentric bolt's left pressure regulating bolt and right pressure regulating bolt, rotating the pressure regulating in-process, the lower extreme position of connecting rod is carried out the skew downwards or upwards about driving, can drive upwards or carry out partial skew downwards of left handle 6 and right handle 7 because of second articulated shaft 10 after the skew, this partial skew is at the crimping in-process, female mold 31 will get tighter or looser with public mould 30 crimping, realize the crimping pressure regulating, reduce the use of mould, provide wider crimping scope.

In addition, the eccentric bolt can be fixed after being adjusted in pressure and rotated, and the rear side face of the eccentric bolt is reinforced by a nut, so that the fixing effect is achieved.

Preferably, a rotating table 13 is arranged above the base 1, the bottom of the clamp head frame 2 is sleeved on the side wall of the rotating table 13, a locking nut 14 is screwed at the upper end of the side wall of the rotating table 13, and a nut groove 20 matched with the locking nut 14 is arranged on the clamp head frame 2.

Preferably, the horizontal cross-sections of the lock nut 14 and the nut groove 20 are circular.

In the above structure, the position of the binding clip can be rotated by 360 degrees, and the lock nut 14 and the nut groove 20 are provided to effectively solve the problem and ensure the use of the rotation function in order to prevent the binding clip frame 2 from sliding off from the upper side of the slide rod.

Preferably, the male die 30 and the female die 31 are both C-shaped structures, one end of the male die 30 is hinged to one end of the forceps head holder 2, and the other end of the male die 30 is fixed to the other end of the forceps head holder 2 through the locking mechanism 8. Before crimping, the position of the locking mechanism 8 is opened, the hinged position of the other end of the male die 30 is opened, a cable is placed in the position of the jaw 32, and after buckling, the locking mechanism 8 is used for locking, and then crimping operation is carried out.

Preferably, the locking mechanism 8 includes a locking hook 80 hinged to one end of the forceps head holder 2, and one end of the male mold 30 is provided with a locking column 33 adapted to the locking hook 80.

Preferably, a pressing plate 81 is formed at a lower end of the locking hook 80.

The locking mechanism is fixed at one end of the forceps head frame in a hinged mode, one end of the hinged structure is matched with the locking column 33 to be locked, and the pressing plate 81 at the other end is used for opening after compression connection.

It is worth mentioning that a torsion spring is preferably disposed at the hinge joint, so as to keep the locking hook 80 to keep driving at the position of the locking column 33, and the locking effect is better.

Preferably, the front ends of the left pressure regulating bolt 62 and the right pressure regulating bolt 70 are both provided with a pressure digital disc 71. The adjustment positions of the left pressure regulating bolt and the right pressure regulating bolt of the eccentric bolt can be conveniently displayed, and the synchronism of the two sides is realized.

Preferably, the inner sides of the left handle 6 and the right handle 7 are both provided with limit stoppers 72, and when the left handle 6 and the right handle 7 move in opposite directions, the limit stoppers 72 on the two sides gradually approach and abut against each other.

Preferably, an extension sleeve 63 is sleeved below the left handle 6 and the right handle 7, and a handheld portion 64 is fixed at the lower end of the extension sleeve 63.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A crimping clamp is characterized by comprising a base (1), wherein a U-shaped clamp head frame (2) is arranged at the upper end of the base (1), a mold mechanism (3) is arranged in the clamp head frame (2), the mold mechanism (3) comprises a male mold (30) and a female mold (31) which are arranged up and down, the male mold (30) and the female mold (31) which are matched form a jaw (32), a sliding rod (4) which penetrates through the clamp head frame (2) and the base (1) and can slide up and down is fixed at the lower end of the female mold (31), connecting plates (5) are fixed at the front and back of the bottom of the sliding rod (4), a left handle (6) and a right handle (7) are respectively hinged between the connecting plates (5) in a mode of penetrating through two first hinge shafts (50), meshed fluted discs (60) are oppositely arranged at the upper ends of the left handle (6) and the right handle (7), and pressure regulating holes (61) are respectively arranged below the fluted discs (60) positioned on the left handle (6) and the right handle (7), the utility model discloses a pressure regulating device, including base (1), both ends all articulate second articulated shaft (10) that set up around all around about base (1), terminal surface and rear end face all are provided with left connecting rod (11) and right connecting rod (12) that articulate in second articulated shaft (10) before base (1), pressure regulating hole (61) that front and back left connecting rod (11) and left handle (6) below set up are articulated fixedly through left pressure regulating bolt (62), pressure regulating hole (61) that front and back right connecting rod (12) and right handle (7) below set up are articulated fixedly through right pressure regulating bolt (70), left side pressure regulating bolt (62) are eccentric bolt with right pressure regulating bolt (70).

2. The crimping pliers according to claim 1, wherein a rotary table (13) is arranged above the base (1), the bottom of the pliers head frame (2) is sleeved on the side wall of the rotary table (13), a locking nut (14) is screwed on the upper end of the side wall of the rotary table (13), and a nut groove (20) matched with the locking nut (14) is arranged on the pliers head frame (2).

3. Crimping pliers according to claim 2, characterized in that the horizontal cross section of the locking nut (14) and the nut groove (20) is circular.

4. Crimping pliers according to claim 1, characterized in that the male die (30) and the female die (31) are both C-shaped, one end of the male die (30) is hinged to one end of the head (2), and the other end of the male die (30) is fixed to the other end of the head (2) by a locking mechanism (8).

5. Crimping pliers according to claim 4, characterized in that said locking means (8) comprise a locking hook (80) hinged to one end of the pliers head (2), said male die (30) being provided at one end with a locking stud (33) adapted to said locking hook (80).

6. Crimping pliers according to claim 5, characterized in that the lower end of the locking hook (80) is formed with a pressing plate (81).

7. Crimping pliers according to claim 1, characterized in that the front ends of the left and right pressure-regulating bolts (62, 70) are provided with pressure-number discs (71).

8. Crimping pliers according to claim 1, characterized in that the left handle (6) and the right handle (7) are provided with limit stops (72) on the inner sides, and when the left handle (6) and the right handle (7) move towards each other, the limit stops (72) on the two sides gradually approach and abut against each other.

9. The crimping pliers according to claim 1, wherein an extension sleeve (63) is sleeved below each of the left handle (6) and the right handle (7), and a hand-held part (64) is fixed at the lower end of the extension sleeve (63).