CN211661920U

CN211661920U - Hydraulic sleeve wrench

Info

Publication number: CN211661920U
Application number: CN202020201915.XU
Authority: CN
Inventors: 刘澳
Original assignee: 刘澳
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-10-13
Anticipated expiration: 2030-02-24

Abstract

A hydraulic socket wrench belongs to the technical field of fitter equipment. The socket wrench with the diameter-changing function is designed, integrates the characteristics of large torque force of the socket wrench and diameter-changing of the adjustable wrench, the jaws, which are radially slidable, are mounted in a circular sleeve, in order to ensure that they provide a sufficient clamping force when clamping the nut, a flow guide groove is designed on the joint surface of the sleeve inner ring and the sleeve outer ring as a channel for the circulation of hydraulic oil, the hydraulic oil channel is communicated with an oil tank arranged on the outer ring of the sleeve, when in use, the screw on the oil tank is rotated to press the hydraulic oil into the diversion trench through the piston, then the clamping jaws are pushed to move towards the center of the sleeve from six directions until six surfaces of the nut are clamped, finally, handles with proper quantity are arranged on the sleeve according to the field situation of nut installation, when the inner diameter of the socket wrench needs to be increased, only the screw on the oil tank needs to be rotated in the opposite direction, under the double action of negative pressure and spring force, the jaws will automatically move in six directions along the center of the sleeve.

Description

Hydraulic sleeve wrench

Technical Field

The utility model belongs to the technical field of the pincers worker equipment technique and specifically relates to a hydraulic socket spanner.

Background

The large-size nut that uses in outdoor fields such as boats and ships, iron tower all need coat thick paint in order to reach rust-resistant purpose, and the nut size after spraying paint can take place great change, and traditional box spanner often can't use at the in-process of overhauing, and the torque can only be exerted on two faces of nut to the adjustable spanner, meets rusty nut then can lead to the operation failure because of torque is too little.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is to solve the not enough of prior art, provide a hydraulic socket spanner.

The core technical idea of the utility model is that: the utility model provides a design a box spanner with reducing function, but the characteristics of box spanner torsion big and monkey wrench reducing have been integrated, but install radial gliding jack catch in circular shape sleeve, can provide sufficient clamp force when guaranteeing jack catch clamp nut, design the guiding gutter as the passageway of hydraulic oil on the faying face of sleeve inner circle and sleeve outer lane, and the hydraulic oil passageway communicates with the oil tank of installing on the sleeve outer lane, screw rod on the rotatory oil tank passes through the piston during use and impresses the guiding gutter with hydraulic oil, and then promote the jack catch and remove to the sleeve center from six directions, until six surfaces of clamp nut, pack into the handle of suitable quantity on the sleeve according to the site conditions of nut installation again at last.

When the inner diameter of the socket wrench needs to be increased, the clamping jaws can automatically move in six directions along the center of the socket under the double actions of negative pressure and spring elasticity by only rotating the screw rod on the oil tank in the opposite direction.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a hydraulic socket spanner, including sleeve outer lane and sleeve inner circle, there is annular guiding gutter on the inner wall of sleeve outer lane and the outer wall of sleeve inner circle, the sleeve outer lane punches along the periphery, the downthehole guide arm that passes, there is the spring between sleeve outer lane and the guide arm, the guide arm and first jack catch, the second jack catch, the third jack catch, the fourth jack catch, the fifth jack catch is connected with the sixth jack catch, first jack catch, the second jack catch, the third jack catch, the fourth jack catch, the structure of fifth jack catch and sixth jack catch is the same, the back of jack catch is the arcwall face, the bending radius of arcwall face equals the internal diameter of sleeve inner circle, the front of jack catch is the plane, there is the screwed pipe on the sleeve outer lane, insert fixed handle in the screwed pipe, the last.

The sleeve outer ring and the sleeve inner ring are connected through a first sealing plate and a second sealing plate which are circular steel plates.

The annular surface of the inner ring of the sleeve is provided with a guide groove, and the shape of the guide groove is the same as the claw head parts of the first claw, the second claw, the third claw, the fourth claw, the fifth claw and the sixth claw.

An oil tank is arranged on the outer ring of the sleeve, a screw rod and a piston are arranged in the oil tank, and the outer ring of the sleeve is communicated with the diversion trench of the oil tank through an oil outlet nozzle.

The utility model discloses a hydraulic socket spanner compares produced beneficial effect with prior art and is:

(1) the jaw mechanism based on the pushing of the hydraulic system is designed, and jaws in six directions can be simultaneously extended or retracted only by rotating one screw rod when the jaw mechanism is used, so that enough bearing surfaces are provided for nuts, and the operating efficiency can be improved.

(2) The detachable handle mechanism is designed on the outer ring of the sleeve, so that a user can select one group of handles or a plurality of groups of handles to provide torque force for the sleeve according to actual conditions, and the practicability of the invention is enhanced.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is a left side view of the structure of the present invention;

FIG. 4 is a left side sectional view of the structure of the present invention;

FIG. 5 is a sectional view of the fuel tank of the present invention;

in the figure, 101, a sleeve outer ring, 102, a sleeve inner ring, 2, a diversion trench, 301, a first jaw, 302, a second jaw, 303, a third jaw, 304, a fourth jaw, 305, a fifth jaw, 306, a sixth jaw, 4, a guide rod, 5, a spring, 6, a fixed handle, 7, a threaded pipe, 8, a guide trench, 9, an oil tank, 901, an oil nozzle, 10, a screw rod, 11, a piston, 12, a first sealing plate, 13, a second sealing plate, 14 and a folding handle.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

A hydraulic socket wrench comprises a socket outer ring 101 and a socket inner ring 102, wherein annular flow guide grooves 2 are formed in the inner wall of the socket outer ring 101 and the outer wall of the socket inner ring 102, the socket outer ring 101 is perforated along the circumferential surface, a guide rod 4 penetrates through the hole, a spring 5 is arranged between the socket outer ring 101 and the guide rod 4, the guide rod 4 is connected with a first jaw 301, a second jaw 302, a third jaw 303, a fourth jaw 304, a fifth jaw 305 and a sixth jaw 306, the structures of the first jaw 301, the second jaw 302, the third jaw 303, the fourth jaw 304, the fifth jaw 305 and the sixth jaw 306 are the same, the back surfaces of the jaws are arc-shaped surfaces, the bending radius of the arc-shaped surfaces is equal to the inner diameter of the socket inner ring 102, and the front surfaces of the jaws are planes; the sleeve outer ring 101 is provided with a threaded pipe 7, a fixed handle 6 is inserted into the threaded pipe 7, and the fixed handle 6 is provided with a folding handle 14.

As the first embodiment of the present invention, the spring 5 is a compression spring, and after the screw rod 10 is completely screwed out from the oil tank 9, under the action of the spring force, the arc surfaces of the first claw 301, the second claw 302, the third claw 303, the fourth claw 304, the fifth claw 305, and the sixth claw 306 coincide with the inner wall of the sleeve inner ring 102.

As the first embodiment of the present invention, the first jaw 301, the second jaw 302, the third jaw 303, the fourth jaw 304, the fifth jaw 305, and the sixth jaw 306 are in cylindrical structure with the inner ring of the sleeve outer ring 101, and there is an annular sealing ring on the outer cylindrical surface.

As the first embodiment of the present invention, a groove is formed on the mounting surface where the sleeve outer ring 101 and the sleeve inner ring 102 contact each other, and a seal ring is mounted in the groove.

The sleeve outer ring 101 and the sleeve inner ring 102 are connected by a first seal plate 12 and a second seal plate 13, and the first seal plate 12 and the second seal plate 13 are circular steel plates.

As the first embodiment of the present invention, the joint surfaces of the first sealing plate 12 and the second sealing plate 13 have sealing grooves, and the annular sealing rings are installed in the sealing grooves.

As the first embodiment of the present invention, the connection form of the sleeve outer ring 101 and the first sealing plate 12 and the second sealing plate 13 is welding.

Further, the connection form of the sleeve inner ring 102 and the first sealing plate 12 and the second sealing plate 13 is welding.

As the first embodiment of the present invention, the connection form of the sleeve outer ring 101 and the first sealing plate 12 and the second sealing plate 13 is a rivet, and there are rivet holes in the sleeve outer ring and the sealing plates.

Further, the connection form of the sleeve inner ring 102 and the first sealing plate 12 and the second sealing plate 13 is riveting, and rivet holes are formed in the sleeve inner ring and the sealing plates.

The annular surface of the sleeve inner ring 102 is provided with a guide groove 8, and the shape of the guide groove 8 is the same as the claw head parts of a first claw 301, a second claw 302, a third claw 303, a fourth claw 304, a fifth claw 305 and a sixth claw 306.

An oil tank 9 is mounted on the sleeve outer ring 101, a screw 10 and a piston 11 are arranged in the oil tank 9, and the sleeve outer ring 101 is communicated with the diversion trench 2 of the oil tank 9 through an oil outlet 901.

As the utility model discloses a first embodiment, the guiding gutter is impressed hydraulic oil through the piston to the screw rod on the rotatory oil tank during the use, and then promotes the jack catch and remove to the sleeve center from six directions, and six surfaces up to the clamping nut are adorned the handle that suitable quantity can rotate sleeve on the sleeve according to the on-the-spot condition of nut installation again at last.

In summary, the present invention is not limited to the above embodiments, and those skilled in the art can provide other embodiments within the teaching of the present invention, but these embodiments are included in the scope of the present invention.

Claims

1. A hydraulic socket wrench comprises a socket outer ring (101) and a socket inner ring (102), wherein an annular diversion trench (2) is formed in the inner wall of the socket outer ring (101) and the outer wall of the socket inner ring (102), the socket outer ring (101) is perforated along the circumferential surface, a guide rod (4) penetrates through the hole, a spring (5) is arranged between the socket outer ring (101) and the guide rod (4), the guide rod (4) is connected with a first clamping jaw (301), a second clamping jaw (302), a third clamping jaw (303), a fourth clamping jaw (304), a fifth clamping jaw (305) and a sixth clamping jaw (306), the first clamping jaw (301), the second clamping jaw (302), the third clamping jaw (303), the fourth clamping jaw (304), the fifth clamping jaw (305) and the sixth clamping jaw (306) are identical in structure, the back surfaces of the clamping jaws are arc-shaped surfaces, and the bending radius of the arc-, the front surface of the clamping jaw is a plane; the sleeve is characterized in that a threaded pipe (7) is arranged on the outer ring (101) of the sleeve, a fixed handle (6) is inserted into the threaded pipe (7), and a folding handle (14) is installed on the fixed handle (6).

2. The hydraulic socket wrench as claimed in claim 1, wherein the socket outer ring (101) and the socket inner ring (102) are connected by a first sealing plate (12) and a second sealing plate (13), and the first sealing plate (12) and the second sealing plate (13) are circular steel plates.

3. The hydraulic socket wrench as claimed in claim 1, wherein the annular surface of the socket inner ring (102) is provided with a guide groove (8), and the shape of the guide groove (8) is the same as the jaw head portions of the first jaw (301), the second jaw (302), the third jaw (303), the fourth jaw (304), the fifth jaw (305) and the sixth jaw (306).

4. The hydraulic socket wrench as claimed in claim 1, wherein an oil tank (9) is mounted on the outer socket ring (101), a screw (10) and a piston (11) are arranged in the oil tank (9), and the outer socket ring (101) is communicated with the guide groove (2) of the oil tank (9) through an oil outlet nozzle (901).