CN212887131U

CN212887131U - Locking pliers with head changing function

Info

Publication number: CN212887131U
Application number: CN202021723413.XU
Authority: CN
Inventors: 王胜忠; 姜志斌; 曹士界; 丛军辉; 江元民; 宋喜虎
Original assignee: Weihai Maxpower Advanced Tool Co ltd
Current assignee: Weihai Maxpower Advanced Tool Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-04-06
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a locking pliers with head changing function, which comprises a movable mouth, a fixed mouth, a rivet, a tension spring, a support plate, a lifting piece, a movable handle, a fixed handle, an adjusting bolt, an insert and a hexagon socket head cap screw, the head part of the fixed nozzle is milled with a plane, the middle of the plane is provided with a screw hole, the head part of the movable nozzle is milled with a plane, the middle of the plane is also provided with a screw hole, the insert has three types, the head of the first type insert is milled with an inclined edge, the head of the second type insert is milled with a circular arc-shaped tooth, one of the heads of the third type insert is provided with a V-shaped groove with a certain angle, the other one is provided with a V-shaped boss with the same angle with the boss, and the pliers can respectively have the functions of pulling out nails or pins, clamping pipe fittings and bending iron plates by replacing different inserts, the insert is fixed on the planes of the fixed nozzle and the movable nozzle head by the hexagon socket head cap screw penetrating through the through hole.

Description

Locking pliers with head changing function

Technical Field

The utility model belongs to the technical field of manual hardware and tools's technique and specifically relates to a locking pliers with trade head function.

Background

During high speed railway operations, there are many different operating requirements, which require the use of tools such as locking pliers, nutcracker, pipe wrench, etc., but carrying such tools is very heavy and inconvenient.

Disclosure of Invention

The utility model aims at providing a locking pliers with trade head function, only need to change inserting of pliers head just can realize pulling out the function of nail or pin, centre gripping pipe fitting, bending iron plate to pliers itself also has the function of locking pliers.

The utility model adopts the technical proposal that: a kind of locking pliers with function of changing head, including moving mouth, fixed mouth, rivet, extension spring, supporting plate, lifting piece, movable handle, fixed handle, adjusting bolt, insert, hexagon socket head bolt, the head of the said fixed mouth is milled with a plane, there is a screw hole in the middle of the plane, the head of the said moving mouth is milled with a plane, there is a screw hole in the middle of the plane, the said insert has three types, the first type insert head is milled with a oblique blade, the second type insert head is milled with arc-shaped teeth, one of the third type insert head has a V-shaped groove with a certain angle, another has the same V-shaped boss with it, the pliers can have the function of pulling nail or pin, holding pipe fitting, bending iron plate separately by changing different inserts, the said insert has a through hole in the middle part, the hexagon socket bolt passes through the through hole to fix the insert on the planes of the fixed mouth and moving mouth head, the utility model discloses a clamp body, including fixed mouth afterbody and fixed handle, the fixed mouth afterbody passes through brazed mode together with fixed handle, movable mouth afterbody one end is passed through rivet B and is connected with fixed handle, the activity mouth can be rotatory around rivet B, and the other end passes through rivet A and is connected with movable handle, extension spring one end is drawn at the movable vice jaw middle part, and one end is drawn on the couple at fixed handle middle part, can draw movable vice jaw when opening and make the pincers body open automatically, adjusting bolt links together with fixed handle through the silk hole of fixed handle afterbody to adjust movable vice jaw's opening size, extension board one end is passed through rivet C and is connected on movable handle, and the other end supports on adjusting bolt, lift the piece and pass through rivet D and connect on movable handle, press and lift the piece and.

Drawings

FIG. 1 is a block diagram of the present invention illustrating a first insert;

FIG. 2 is a structural view of the fixing nozzle of the present invention;

FIG. 3 is a structural view of the movable nozzle of the present invention;

FIG. 4 is a first type of insert structure diagram of the present invention, wherein the insert I and the insert II have the same structure;

FIG. 5 is a second type of the insert structure diagram of the present invention, wherein the insert I and the insert II have the same structure;

FIG. 6 is a structural view of a third insert I of the present invention;

FIG. 7 is a block diagram of a third embodiment of the present invention;

FIG. 8 is a schematic view of the present invention in use with a first type of insert;

FIG. 9 is a schematic view of the second type of insert in use according to the present invention;

FIG. 10 is a schematic view of the present invention in use with a third type of insert;

the labels in the figure are: the rivet comprises a hexagon socket bolt 1, an insert I2, a fixed nozzle 3, a rivet A4, a rivet B5, a rivet C6, a tension spring 7, a support plate 9 lift piece 8, a rivet D10, a movable handle 11, a fixed handle 12, an adjusting bolt 13, an insert II 14 and a movable nozzle 15.

Detailed Description

As shown in fig. 1 to 7, a locking pliers with a head changing function comprises a hexagon socket head cap screw 1, an insert i 2, a fixed mouth 3, a rivet a4, a rivet B5, a rivet C6, a tension spring 7, a support plate 8, a lifting piece 9, a rivet D10, a movable handle 11, a fixed handle 12, an adjusting bolt 13, an insert ii 14 and a movable mouth 15, wherein the head of the fixed mouth 3 is milled with a plane, a screw hole is arranged in the middle of the plane, the head of the movable mouth 15 is also milled with a plane, a screw hole is also arranged in the middle of the plane, the insert i 2 and the insert ii 14 have three types, the head of the insert i 2 and the insert ii 14 of the first type is milled with an inclined blade, the head of the insert i 2 and the insert ii 14 of the second type is milled with circular arc-shaped teeth, one of the head of the insert i 2 and the insert ii 14 of the third type is provided with a V-shaped groove with a certain angle, and the other is provided with a V-shaped, the pliers can have the functions of pulling nails or pins, clamping pipe fittings and bending iron plates by replacing different inserts I2 and II 14, a through hole is arranged in the middle of each of the inserts I2 and II 14, the hexagon socket head cap screw 1 penetrates through the through hole to fix the inserts I2 and II 14 on the planes of the head parts of a fixed nozzle 3 and a movable nozzle 15 respectively, the tail part of the fixed nozzle 3 is fixed with a fixed handle 12 in a brazing mode, one end of the tail part of the movable nozzle 15 is connected with the fixed handle 12 through a rivet B5, the movable nozzle 15 can rotate around a rivet B5, the other end of the movable nozzle is connected with a movable handle 11 through a rivet A4, one end of a tension spring 7 is pulled in the middle of the movable jaw 15, one end of the tension spring is pulled on a hook in the middle of the fixed handle 12, the movable jaw 15 can be pulled to automatically open the pliers when the pliers are opened, and an adjusting bolt 13 is connected with the fixed handle 12 through, one end of the support plate 8 is connected to the movable handle 11 through a rivet C6, the other end is supported on the adjusting bolt 13, the lifting piece 9 is connected to the movable handle 11 through a rivet D10, and the pliers body can be opened by pressing the lifting piece 9.

When the first type of insert I2 and the first type of insert II 14 are installed, the movable handle 11 is pressed to rotate inwards, so that inclined blades at the heads of the insert I2 and the insert II 14 clamp the head of a pin or a nail, after the head of the pin or the nail is locked, force is applied to the direction of the movable handle 11, the pin or the nail can be quickly pulled out, and the pliers can be opened by pressing the lifting piece 9 to take out the pin or the nail.

When the second type of insert I2 and the second type of insert II 14 are installed, the movable handle 11 is pressed to rotate inwards, the arc-shaped teeth at the heads of the insert I2 and the insert II 14 clamp the pipe, after the pipe is locked, the pipe can be screwed, the pliers can be opened by pressing the lifting piece 9, and the pipe can be loosened

When the insert I2 and the insert II 14 of the third type are installed, the movable handle 11 is pressed to rotate inwards, the heads of the insert I2 and the insert II 14 are gradually close to each other, the iron plate is slowly squeezed, finally, the iron plate can be bent to be the same as the angles of the heads of the insert I2 and the insert II 14, the pliers can be opened by pressing the lifting piece 9, and then the iron plate can be taken out.

Claims

1. The locking pliers with the head changing function comprises a movable nozzle, a fixed nozzle, a rivet, a tension spring, a support plate, a lifting piece, a movable handle, a fixed handle, an adjusting bolt, an insert and an inner hexagon bolt, and is characterized in that the head of the fixed nozzle is milled with a plane, a screw hole is formed in the middle of the plane, the head of the movable nozzle is also milled with a plane, a screw hole is also formed in the middle of the plane, the insert is provided with three types, the head of the insert of the first type is milled with an inclined blade, the head of the insert of the second type is milled with arc-shaped teeth, one of the heads of the insert of the third type is provided with a V-shaped groove with a certain angle, the other insert is provided with a V-shaped boss with the same angle with the V-shaped groove, the middle of the insert is provided with a through hole, and the inner hexagon bolt penetrates through the through hole to fix the insert.