CN215510789U

CN215510789U - Hydraulic wrench with fixed knot constructs

Info

Publication number: CN215510789U
Application number: CN202120497615.5U
Authority: CN
Inventors: 李亚男; 杜伟明
Original assignee: Asen Fastening System Wuhan Co ltd
Current assignee: Asen Fastening System Wuhan Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2022-01-14
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses a hydraulic wrench with a fixing structure, which comprises a wrench, wherein a clamping mechanism is arranged on the surface of the wrench, a fixing mechanism is arranged inside the clamping mechanism, the clamping mechanism comprises a round hole, the round hole is formed in the surface of the wrench, a cylinder is inserted into the round hole, and one end of the cylinder is fixedly connected with a first clamping plate, and the hydraulic wrench has the beneficial effects that: make the inner wall of screw thread piece extrusion thread groove through rotating the screw thread piece, make the screw thread piece to the inside removal of screw thread groove, promote the push rod during screw thread piece removes to the inside removal of through-hole, and then make the push rod promote horizontal block joint inside the horizontal block groove that corresponds, and then make the cylinder receive fixedly, the push rod promotes the surface of sheet rubber and threaded rod and closely laminates simultaneously, and then make the threaded rod receive fixedly, the position that makes first splint and second splint is fixed, and then make the spanner can not take place to rock when the operation, the stable torsion of applying to the bolt.

Description

Hydraulic wrench with fixed knot constructs

Technical Field

The utility model relates to the technical field of hydraulic wrenches, in particular to a hydraulic wrench with a fixing structure.

Background

The hydraulic wrench is a hydraulic torque wrench for short, is a professional bolt tightening tool which takes hydraulic pressure as power, provides large torque output, is used for mounting and dismounting bolts, and is often used for tightening and loosening bolts larger than one inch.

Current hydraulic wrench drives the lantern ring rotation of inside joint on the bolt through hydraulic power when using, but because the torsion that produces when hydraulic wrench moves is too big, can drive the spanner when hydraulic wrench moves wholly and rotate together, and then leads to the unable stable torsion of applying to the bolt of hydraulic wrench.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hydraulic wrench with a fixing structure, which aims to solve the problem that the hydraulic wrench cannot stably apply torque to a bolt due to the fact that the torque generated when the hydraulic wrench operates is too large, and the hydraulic wrench can drive the wrench to integrally rotate together when the hydraulic wrench operates.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a hydraulic wrench with fixed knot constructs, includes the spanner, the spanner be provided with fixture on the surface, fixture's inside is provided with fixed establishment.

Preferably, fixture includes the round hole, the round hole is seted up at the spanner on the surface, the cylinder has been pegged graft to the inside of round hole, the first splint of cylindrical one end fixedly connected with, the cylindrical other end set up the screw hole, the inside threaded connection of screw hole has the threaded rod, the lead of threaded rod is lost according to fixedly connected with second splint, the cylindrical perpendicular groove of having seted up on the surface, all seted up a plurality of horizontal draw-in grooves on the both sides inner wall of perpendicular groove.

Preferably, the fixing mechanism comprises a thread groove, the thread groove is formed in the surface of the wrench, a thread block is connected to the inner thread of the thread groove, a push rod is rotatably connected to the center of one end, located inside the thread groove, of the thread block through a bearing, the other end of the push rod is connected to the inside of the through hole in an inserting mode, two cross clamping blocks are symmetrically and fixedly connected to the surface of one end, located inside the through hole, of the push rod, and a rubber sheet is fixedly connected to one end, located inside the through hole, of the push rod.

Preferably, the push rod is inserted in the vertical groove.

Preferably, the horizontal clamping block is matched with a plurality of horizontal clamping grooves.

Preferably, the shape of through-hole inner wall is square, the push rod joint is inside the through-hole.

Compared with the prior art, the utility model has the beneficial effects that: make the inner wall of screw thread piece extrusion thread groove through rotating the screw thread piece, make the screw thread piece to the inside removal of screw thread groove, promote the push rod during screw thread piece removes to the inside removal of through-hole, and then make the push rod promote horizontal block joint inside the horizontal block groove that corresponds, and then make the cylinder receive fixedly, the push rod promotes the surface of sheet rubber and threaded rod and closely laminates simultaneously, and then make the threaded rod receive fixedly, the position that makes first splint and second splint is fixed, and then make the spanner can not take place to rock when the operation, the stable torsion of applying to the bolt.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of portion B of FIG. 1 in accordance with the present invention;

fig. 4 is a schematic view of the cylindrical structure of the present invention.

In the figure: 1. a wrench; 2. a clamping mechanism; 21. a circular hole; 22. a cylinder; 23. a first splint; 24. A threaded hole; 25. a threaded rod; 26. a second splint; 27. a vertical slot; 28. a transverse clamping groove; 3. a fixing mechanism; 31. a thread groove; 32. a thread block; 33. a bearing; 34. a push rod; 35. a through hole; 36. a horizontal clamping block; 37. a rubber sheet.

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 technical solution: a hydraulic wrench with a fixing structure comprises a wrench 1, wherein a clamping mechanism 2 is arranged on the surface of the wrench 1, and a fixing mechanism 3 is arranged inside the clamping mechanism 2.

The clamping mechanism 2 comprises a round hole 21, the round hole 21 is arranged on the surface of the wrench 1, a cylinder 22 is inserted into the round hole 21, one end of the cylinder 22 is fixedly connected with a first clamping plate 23, the other end of the cylinder 22 is provided with a threaded hole 24, the inner thread of the threaded hole 24 is connected with a threaded rod 25, a first clamping plate 26 is fixedly connected with the threaded rod 25, the surface of the cylinder 22 is provided with a vertical groove 27, the inner walls of the two sides of the vertical groove 27 are respectively provided with a plurality of transverse clamping grooves 28, the wrench 1 is sleeved with a bolt, then respectively pulling the first clamping plates 23 to move out of the round holes 21, simultaneously rotating the threaded rods 25 to enable the threaded rods 25 to press the inner walls of the threaded holes 24, the threaded rod 25 is then rotated out of the threaded hole 24, the first clamping plate 23 and the second clamping plate 26 are moved away from each other, and the first clamping plate 23 and the second clamping plate 26 are clamped in a fixable position.

The fixing mechanism 3 comprises a thread groove 31, the thread groove 31 is arranged on the surface of the wrench 1, a thread block 32 is connected to the inner thread of the thread groove 31, a push rod 34 is rotatably connected to the center of one end of the thread block 32 positioned in the thread groove 31 through a bearing 33, the other end of the push rod 34 is inserted in a through hole 35, two lateral clamping blocks 36 are symmetrically and fixedly connected to the surface of one end of the push rod 34 positioned in the through hole 35, a rubber sheet 37 is fixedly connected to one end of the push rod 34 positioned in the through hole 35, the thread block 32 is rotated to enable the thread block 32 to extrude the inner wall of the thread groove 31 to enable the thread block 32 to move towards the inside of the thread groove 31, the push rod 34 is pushed to move towards the inside of the through hole 35 when the thread block 32 moves, the push rod 34 further pushes the lateral clamping blocks 36 to be clamped in the corresponding lateral clamping grooves 28, further the cylinder 22 is fixed, and meanwhile, the push rod 34 pushes the rubber sheet 37 to be tightly attached to the surface of the threaded rod 25, further, the threaded rod 25 is fixed, the positions of the first clamping plate 23 and the second clamping plate 26 are fixed, and the wrench 1 does not shake during operation, so that torque can be stably applied to the bolt.

The push rod 34 is inserted into the vertical slot 27 to prevent the rotation of the cylinder 22 from causing the lateral lock block 36 and the lateral lock slot 28 to be laterally deviated.

The horizontal clamping blocks 36 are matched with the plurality of horizontal clamping grooves 28, so that the horizontal clamping blocks 36 can be clamped in the constant clamping grooves 28.

The shape of through-hole 35 inner wall is square, and push rod 34 joint is inside through-hole 35, prevents that push rod 34 from taking place to rotate.

Specifically, when the wrench 1 is used, firstly, the wrench 1 is sleeved with a bolt, then the first clamping plate 23 is pulled to move out of the circular hole 21, the threaded rod 25 is rotated to enable the threaded rod 25 to press the inner wall of the threaded hole 24, and further the threaded rod 25 is rotated to move out of the threaded hole 24, so that the first clamping plate 23 and the second clamping plate 26 are far away from each other, then the first clamping plate 23 and the second clamping plate 26 are clamped at a position capable of being fixed, then the threaded block 32 is rotated to enable the threaded block 32 to press the inner wall of the threaded groove 31, so that the threaded block 32 moves towards the inside of the threaded groove 31, when the threaded block 32 moves, the push rod 34 is pushed to move towards the inside of the through hole 35, so that the push rod 34 pushes the transverse clamping block 36 to be clamped in the corresponding transverse clamping groove 28, and further the cylinder 22 is fixed, and simultaneously, the push rod 34 pushes the rubber sheet 37 to be tightly attached to the surface of the threaded rod 25, so that the threaded rod 25 is fixed, the positions of the first clamping plate 23 and the second clamping plate 26 are fixed, so that the wrench 1 can not shake during operation, and torque can be stably applied to the bolt.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 hydraulic wrench with fixed knot constructs which characterized in that: the clamping device comprises a wrench (1), wherein a clamping mechanism (2) is arranged on the surface of the wrench (1), and a fixing mechanism (3) is arranged inside the clamping mechanism (2);

the clamping mechanism (2) comprises a round hole (21), the round hole (21) is formed in the surface of the wrench (1), a cylinder (22) is inserted into the round hole (21), one end of the cylinder (22) is fixedly connected with a first clamping plate (23), the other end of the cylinder (22) is provided with a threaded hole (24), the inner thread of the threaded hole (24) is connected with a threaded rod (25), a second clamping plate (26) is fixedly connected with the threaded rod (25) in a loose mode, the surface of the cylinder (22) is provided with a vertical groove (27), and the inner walls of two sides of the vertical groove (27) are provided with a plurality of transverse clamping grooves (28);

the fixing mechanism (3) comprises a thread groove (31), the thread groove (31) is formed in the surface of the wrench (1), a thread block (32) is connected to the inner thread of the thread groove (31), a push rod (34) is rotatably connected to the center of one end, located inside the thread groove (31), of the thread block (32) through a bearing (33), the other end of the push rod (34) is connected to the inside of a through hole (35) in an inserting mode, two transverse clamping blocks (36) are symmetrically and fixedly connected to the surface of one end, located inside the through hole (35), of the push rod (34), and a rubber sheet (37) is fixedly connected to one end, located inside the through hole (35), of the push rod (34).

2. The hydraulic wrench with the fixing structure as claimed in claim 1, wherein: the push rod (34) is inserted in the vertical groove (27).

3. The hydraulic wrench with the fixing structure as claimed in claim 1, wherein: the horizontal clamping blocks (36) are matched with the horizontal clamping grooves (28).

4. The hydraulic wrench with the fixing structure as claimed in claim 1, wherein: the shape of through-hole (35) inner wall is square, push rod (34) joint is inside through-hole (35).