CN2293418Y

CN2293418Y - Hydraulic cutting pliers

Info

Publication number: CN2293418Y
Application number: CN 97203771
Authority: CN
Inventors: 李炜
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-01-17
Filing date: 1997-01-17
Publication date: 1998-10-07
Anticipated expiration: 2007-01-17

Abstract

The utility model discloses a pair of hydraulic pliers for cutting steel wires. The front upper side of a casing is provided with an upper jaw, and the rear end of the casing is equipped with an upper handle. The front side of the upper handle is provided with a small piston. The front lower side of the casing is provided with a large piston of the jaw and a lower jaw. An oil cylinder of the small piston is communicated with the large piston of the jaw. When the utility model is used, the small piston is pressed to move by the upper handle, causing hydraulic oil in the oil cylinder to drive the large piston of the jaw to move upwards, causing the lower jaw and the upper jaw to engage, and completing the action of cutting.

Description

The hydraulic pressure cutting pliers

The utility model relates to a kind of small tool.

The various cutting pliers of Xiao Shouing when the cutting steel wire, owing to being directly clamps shearing with holding, not only require great effort, tire out hand, and operating efficiency also are difficult to raising in the market.

The purpose of this utility model provides a kind of handsome in appearance, cutting labour-saving hydraulic pressure cutting pliers.

Scheme of the present utility model is made up of shell, handle, large and small piston, large and small oil cylinder and upper and lower jaw etc.Its design feature is for to be provided with upper jaw in the preceding upper end of shell, and upper jaw is fixed on the shell with bolt and fixed screw.Upper handle is equipped with in the rear end of shell, and piston rod and valve piston are equipped with in the front side of upper handle, and valve piston is installed in the small oil tank.The preceding downside of shell is equipped with the jaw big piston, and jaw big piston and lower jaw are cast as one, and the jaw piston is installed in the large tank, and the downside of oil cylinder is shaped on oil duct, and oil duct communicates with small piston fuel tank.The preceding lower end of shell is provided with oil filler point, the oil filler point bolt seal, and the rear side of shell is equipped with lower handle.

The utility model has the advantages that simple in structurely, volume is little, and is easy to install, and operation saves time, laborsaving.

Be described further below in conjunction with accompanying drawing

Fig. 1 is a hydraulic pressure cutting pliers external form schematic diagram

Fig. 2 is a hydraulic pressure cutting pliers structure cutaway view

The preceding upper end of the cutting pliers shell 1 shown in the figure is provided with upper jaw 4, and the rear end of upper jaw is shaped on jaw holder 19, and holder is fixed on the front end of shell by dog screw 3 and fixed screw 2.Upper handle 12 is equipped with in the rear end of shell, and upper handle is installed on the shell by pivot pin 16, and the front side of handle is provided with chute 15, piston rod 14 is installed in the chute by pivot pin 13, valve piston 10 is equipped with in the lower end of piston rod, and valve piston is installed in the small oil tank 17, and positioning sleeve 20 is equipped with in the small oil tank upper end.The preceding downside of shell is equipped with jaw big piston 8, and jaw big piston and lower jaw 5 are cast as one.The jaw big piston is installed in the large tank 18, and the downside of oil cylinder is shaped on oil duct 9, and oil duct communicates with small piston fuel tank 17.The preceding downside of shell is shaped on oil filler point 7, and oil filler point is with bolt 6 sealing, and the rear side of shell is shaped on lower handle 11, lower handle by screw threads for fastening on shell.

During work, mention upper handle 12, upper handle pulling piston rod 14, make on the valve piston 10 and move, twitch on the hydraulic oil and move, jaw big piston 8 moves down at this moment, and jaw is opened, when depressing upper handle, piston rod promotes valve piston and moves down, and valve piston promotes hydraulic oil, and hydraulic oil promotes to move on the jaw big piston, make the rapid and upper jaw interlock of lower jaw, finish cutting action.

Claims

1, a kind of hydraulic pressure cutting pliers are by shell, handle, greatly, valve piston, greatly, on small oil tank reaches, compositions such as lower jaw, it is characterized in that: the preceding upper end of shell (1) is provided with upper jaw (4), upper handle (12) is equipped with in the rear end of shell, piston rod (14) is equipped with in the front side of upper handle, valve piston (10), valve piston is installed in the small oil tank (17), the preceding downside of shell is equipped with jaw big piston (8), jaw big piston and lower jaw (5) are cast as one, the jaw big piston is installed in the large tank (18), the downside of oil cylinder is provided with oil duct (9), oil duct communicates with small piston fuel tank, and the preceding lower end of shell is provided with oil filler point (7), and the rear side of shell is equipped with lower handle (11).

2, hydraulic pressure cutting pliers according to claim 1 is characterized in that: the rear end of upper jaw (4) is shaped on jaw holder (19), and holder is installed in the front end of shell by dog screw (3) and fixed screw (2).

3, hydraulic pressure cutting pliers according to claim 1 is characterized in that: the upper end of small oil tank (17) is provided with positioning sleeve (20).