CN215746727U

CN215746727U - Handheld hydraulic shear

Info

Publication number: CN215746727U
Application number: CN202122243726.6U
Authority: CN
Inventors: 张毅; 周远建
Original assignee: Chongqing Transportation Xintiandi Ring Science And Technology Co ltd
Current assignee: Chongqing Transportation Xintiandi Ring Science And Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-02-08
Anticipated expiration: 2031-09-16

Abstract

The utility model belongs to the technical field of hydraulic shears and discloses a handheld hydraulic shear which comprises a hydraulic oil cylinder, wherein a piston rod is arranged on one side of the hydraulic oil cylinder, the top end of the hydraulic oil cylinder is connected with an oil sleeve, a piston push rod is connected with the telescopic end of the hydraulic oil cylinder, a groove is formed in the piston push rod, a movable blade is arranged in the groove, a second opening is formed in the movable blade, a third opening is formed in the inner part of one side of the piston push rod, and a first bolt is connected between the second opening and the third opening; the telescopic frame is arranged, when the hydraulic shears are used for shearing thick materials, the movable blade and the fixed blade of the hydraulic shears cannot be placed on the surface of the materials, the bolts need to be loosened, the telescopic frame is adjusted to be at corresponding heights, the bolts are screwed, the distance between the movable blade and the fixed blade can be adjusted according to the materials with different thicknesses, and the use efficiency is improved.

Description

Handheld hydraulic shear

Technical Field

The utility model belongs to the technical field of hydraulic shears, and particularly relates to a handheld hydraulic shear.

Background

Hydraulic shears typically have an aluminum alloy housing with blades forged from hot rolled steel, pistons and piston pushrods typically made from hot rolled alloy steel, and are used primarily to shear materials such as sheet metals and plastics, which are commonly used to shear automobiles and other vehicles to rescue trapped passengers. As with the hydraulic expanders, the hydraulic shears may also be powered by gasoline powered devices and the jaw system may be powered electrically, pneumatically or hydraulically.

The problems in the prior art are that the hydraulic shear cannot shear thick materials, the use efficiency is low, bolts need to be screwed when blades are replaced, and the operation steps are multiple.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a handheld hydraulic shear to solve the problems that the conventional hydraulic shear cannot shear thick materials and has more blade-changing operation steps.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a handheld hydraulic pressure is cut, includes hydraulic cylinder, one side of hydraulic cylinder is provided with the piston rod, oil sleeve is connected on hydraulic cylinder's top, hydraulic cylinder's flexible end is connected with piston push rod, piston push rod's inside is seted up flutedly, the internally mounted of recess has movable blade, the second trompil has been seted up to movable blade's inside, the third trompil has been seted up to piston push rod one side's inside, the internally connected with first bolt in second trompil and third trompil, the surface cover of first bolt has first spring, movable blade and piston push rod are through first bolt fixed connection.

Preferably, telescopic internal connection has the expansion bracket, the screw has been seted up on the surface of expansion bracket, first trompil has been seted up to telescopic inside, the internal connection of first trompil and screw has the bolt, expansion bracket and sleeve pass through bolt fixed connection.

Preferably, a blade track is seted up in the inside of expansion bracket, fixed blade is installed to the orbital top of blade, fourth opening has been seted up to fixed blade's inside, the fifth trompil has been seted up to the inside of expansion bracket one side, the internal connection of fifth trompil and fourth opening has the second bolt, the surface cover of second bolt has the second spring.

Preferably, the bottom of the hydraulic oil cylinder is connected with a handle.

Preferably, one side of the hydraulic oil cylinder is connected with a connecting rod, the inside of one side of the connecting rod is connected with a second connecting shaft, the surface of the second connecting shaft is connected with a movable handle, and the movable handle and the connecting rod are rotatably connected through the second connecting shaft.

Preferably, the inside of one side of the piston rod is connected with a first connecting shaft, the surface of the first connecting shaft is connected with a movable handle, and the movable handle and the piston rod are rotatably connected through the first connecting shaft.

Compared with the prior art, the utility model has the following beneficial effects:

(1) the telescopic frame is arranged, when the hydraulic shears are used for shearing thick materials, the movable blade and the fixed blade of the hydraulic shears cannot be placed on the surface of the materials, the bolts need to be loosened, the telescopic frame is adjusted to be at corresponding heights, the bolts are screwed, the distance between the movable blade and the fixed blade can be adjusted according to the materials with different thicknesses, and the use efficiency is improved.

(2) The hydraulic shears are provided with the first bolt and the second bolt, the hydraulic shears are abraded in long-term use, the blades need to be replaced periodically, the movable blades can be pulled out by pulling the first bolt outwards, the bolts are inserted into the second opening during installation, the fixed blades at the disassembly positions of the second bolts are pulled outwards in the same way, and the second bolts are inserted into the fourth opening during installation, so that the situation that bolts need to be screwed when the blades are replaced is avoided, and the operation steps are reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the utility model at A;

FIG. 4 is an enlarged view of the utility model at B;

in the figure: 1. a hydraulic cylinder; 2. a handle; 3. a piston rod; 4. a movable handle; 5. a first connecting shaft; 6. a second connecting shaft; 7. a connecting rod; 8. a first latch; 9. a sleeve; 10. a bolt; 11. a telescopic frame; 12. a second bolt; 13. fixing a blade; 14. a screw hole; 15. a movable blade; 16. a piston push rod; 17. a first opening; 18. a second opening; 19. a first spring; 20. a blade track; 21. a third opening; 22. a fourth opening; 23. fifth opening; 24. a second spring; 25. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a hand-held hydraulic shears, including a hydraulic cylinder 1, a piston rod 3 disposed on one side of the hydraulic cylinder 1, an oil sleeve 9 connected to a top end of the hydraulic cylinder 1, a piston push rod 16 connected to a telescopic end of the hydraulic cylinder 1, a groove 25 disposed inside the piston push rod 16, a movable blade 15 mounted inside the groove 25, a second opening 18 disposed inside the movable blade 15, a third opening 21 disposed inside one side of the piston push rod 16, a first plug 8 connected to inside of the second opening 18 and the third opening 21, a first spring 19 sleeved on a surface of the first plug 8, the movable blade 15 and the piston push rod 16 fixedly connected through the first plug 8, the movable blade 15 is a member made of high carbon alloy steel, a ring-shaped base disposed at a bottom of the first plug 8, and a circular hole disposed at a top end of the third opening 21, the first spring 19 is arranged between the annular base and the round hole, and the piston push rod 16 is used for driving the movable blade 15 to move up and down.

Further, the internal connection of sleeve 9 has expansion bracket 11, and screw 14 has been seted up on the surface of expansion bracket 11, and first trompil 17 has been seted up to the inside of sleeve 9, and the internal connection of first trompil 17 and screw 14 has bolt 10, and expansion bracket 11 and sleeve 9 pass through bolt 10 fixed connection, and screw 14 is provided with three.

Furthermore, a blade track 20 is provided inside the telescopic frame 11, a fixed blade 13 is installed above the blade track 20, a fourth hole 22 is provided inside the fixed blade 13, a fifth hole 23 is provided inside one side of the telescopic frame 11, a second bolt 12 is connected inside the fifth hole 23 and the fourth hole 22, a second spring 24 is sleeved on the surface of the second bolt 25, a ring-shaped base is arranged at the bottom of the second bolt 12, a round hole is formed in the top end of the fifth hole 23, and the second spring 24 is installed between the ring-shaped base and the round hole.

Specifically, the bottom of the hydraulic oil cylinder 1 is connected with a handle 2,

it is worth to say that one side of hydraulic cylinder 1 is connected with connecting rod 7, and the internal connection of connecting rod 7 one side has second connecting axle 6, and the surface of second connecting axle 6 even has movable handle 4, and movable handle 4 and connecting rod 7 pass through second connecting axle 6 and rotate the connection.

Further, the inside of piston rod 3 one side is connected with first connecting axle 5, and the surface of first connecting axle 5 is connected with activity handle 4, and activity handle 4 and piston rod 3 rotate through first connecting axle 5 and connect, and activity handle 4 is used for pressing piston rod 3.

The working principle and the using process of the utility model are as follows: the handle 2 and the movable handle 4 are respectively held by hands, the movable blade 15 and the fixed blade 13 are aligned to the surface of a material, the movable handle 4 is pressed downwards, the telescopic end of the hydraulic oil cylinder 1 is pushed to the movable blade 15 to move, the material is cut, when the hydraulic shears are used for cutting thick materials, the movable blade 15 and the fixed blade 13 of the hydraulic shears cannot be placed on the surface of the material, the bolt 10 needs to be loosened, the telescopic frame 11 is adjusted to be in a corresponding height, then the bolt 10 is screwed down, when the blades are replaced, the first bolt 8 is pulled outwards, the movable blade 15 can be pulled out of the groove 25, during installation, the first bolt 8 is inserted into the second opening 18, the second bolt 12 is pulled outwards in a similar manner to disassemble the fixed blade 13, and during installation, the second bolt 12 is inserted into the fourth opening 22.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a handheld hydraulic pressure is cut, includes hydraulic cylinder (1), its characterized in that: one side of hydraulic cylinder (1) is provided with piston rod (3), oil sleeve (9) are connected on the top of hydraulic cylinder (1), the flexible end of hydraulic cylinder (1) is connected with piston push rod (16), recess (25) have been seted up to piston push rod (16) inside, the internally mounted of recess (25) has movable blade (15), second trompil (18) have been seted up to the inside of movable blade (15), third trompil (21) have been seted up to the inside of piston push rod (16) one side, the internally connected of second trompil (18) and third trompil (21) has first bolt (8), the surface cover of first bolt (8) has first spring (19), movable blade (15) and piston push rod (16) are through first bolt (8) fixed connection.

2. A hand held hydraulic shear as claimed in claim 1, wherein: the utility model discloses a telescopic structure, including sleeve (9), internally connected with expansion bracket (11) of sleeve (9), screw (14) have been seted up on the surface of expansion bracket (11), first trompil (17) have been seted up to the inside of sleeve (9), the internally connected with bolt (10) of first trompil (17) and screw (14), expansion bracket (11) and sleeve (9) pass through bolt (10) fixed connection.

3. A hand held hydraulic shear as claimed in claim 2, wherein: blade track (20) have been seted up to the inside of expansion bracket (11), fixed blade (13) have been installed to the top of blade track (20), fourth trompil (22) have been seted up to the inside of fixed blade (13), fifth trompil (23) have been seted up to the inside of expansion bracket (11) one side, the internal connection of fifth trompil (23) and fourth trompil (22) has second bolt (12), the surface cover of second bolt (12) has second spring (24).

4. A hand held hydraulic shear as claimed in claim 1, wherein: the bottom of the hydraulic oil cylinder (1) is connected with a handle (2).

5. A hand held hydraulic shear as claimed in claim 1, wherein: one side of the hydraulic oil cylinder (1) is connected with a connecting rod (7), the inside of one side of the connecting rod (7) is connected with a second connecting shaft (6), the surface of the second connecting shaft (6) is connected with a movable handle (4), and the movable handle (4) and the connecting rod (7) are rotatably connected through the second connecting shaft (6).

6. A hand held hydraulic shear as claimed in claim 5, wherein: the novel piston rod is characterized in that a first connecting shaft (5) is connected to the inner portion of one side of the piston rod (3), a movable handle (4) is connected to the surface of the first connecting shaft (5), and the movable handle (4) is rotatably connected with the piston rod (3) through the first connecting shaft (5).