CN212919141U

CN212919141U - Adjustable spanner

Info

Publication number: CN212919141U
Application number: CN202021235103.3U
Authority: CN
Inventors: 潘发明; 胡晟; 洪洲; 李黎明; 谢华根; 刘彬斌; 孙俊
Original assignee: Xinyu Iron and Steel Co Ltd
Current assignee: Xinyu Iron and Steel Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-04-09
Anticipated expiration: 2030-06-29

Abstract

The invention discloses an adjustable wrench, which comprises a wrench handle, a moving block and an adjusting thread sleeve, wherein the moving block is arranged on the wrench handle and can move along the length direction of the wrench handle, a wrench jaw is formed between the head of the wrench handle and the moving block, a thread section in threaded fit with the adjusting thread sleeve is arranged on the wrench handle, the moving block and the adjusting thread sleeve are arranged side by side, and the moving block is positioned between the head of the wrench handle and the adjusting thread sleeve. This adjustable spanner structural design is reasonable, compares with traditional "F" spanner or breakout tongs, and its is light and handy nimble, use to adjust convenient operation, operating stability is high, simple structure, can accomplish pipeline valve switch or bolt nut elasticity operation laborsaving safely more.

Description

Adjustable spanner

Technical Field

The invention relates to the technical field of wrenches, in particular to a wrench with adjustable movement.

Background

The spanner is more in equipment fixing, dismantlement maintenance field demand. The chemical industry uses pipeline valve in a large number, and the elasticity operation of bolt nut also can be related to in many equipment maintenance installations. For the pipeline valve which does not perform opening and closing actions for a long time, the problem of difficult opening and closing can occur, the condition of incomplete opening and closing can easily occur, and the normal production operation and the working safety of the pipeline are seriously influenced.

At present, an F valve wrench or a pipe wrench is generally used for operating the opening and closing action of a valve, but the F valve wrench is poor in structural design working stability, not easy to balance in stress, easy to slip and hurt people when exerting force, the pipe wrench is too heavy, and the use and the adjustment are not flexible and convenient enough.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an adjustable wrench which is convenient for pipeline valve opening and closing or bolt and nut loosening and tightening operations and has simple and convenient use and adjustment operation and good stability.

The technical scheme adopted by the invention is as follows:

the adjustable wrench comprises a wrench handle, an adjusting thread sleeve arranged on the wrench handle and a moving block capable of moving along the length direction of the wrench handle, wherein a wrench jaw is formed between the head of the wrench handle and the moving block, a thread section matched with the inner thread of the adjusting thread sleeve is arranged on the wrench handle, the moving block and the adjusting thread sleeve are arranged side by side, and the moving block is positioned between the head of the wrench handle and the adjusting thread sleeve.

Furthermore, a clamping anti-skidding arc groove is arranged on the side surface of the head of the wrench handle.

The wrench handle is of a rod-shaped structure, and the cross section of the wrench handle is gradually reduced from the head to the tail.

The wrench handle is of a rod-shaped structure with a square cross section, the moving block is provided with a sliding hole matched with the shape of the wrench handle, and the sliding hole is sleeved on the wrench handle.

The head of the wrench handle and the moving block are respectively provided with a protruding part at the same side, the two protruding parts form a wrench jaw, and the protruding part of the moving block is provided with a tooth structure corresponding to the jaw side.

The moving block is connected with the adjusting thread sleeve through a movable structure.

The outer surface of the adjusting threaded sleeve is provided with an anti-skidding structure.

The thread section on the wrench handle is arranged at the neck of the square rod, and the two side surfaces of the wrench handle are polished surfaces.

The movable structure is a bearing connecting structure arranged between the movable block and the adjusting threaded sleeve.

The movable structure comprises a clamping block arranged on the moving block and an annular clamping groove arranged in the adjusting threaded sleeve, the clamping block is an extending block arranged on the moving block, and a protruding structure movably located in the annular clamping groove is arranged at the end of the clamping block.

Compared with the prior art, the invention has the following advantages:

this adjustable spanner structural design is reasonable, compares with traditional "F" spanner or breakout tongs, and its is light and handy nimble, use to adjust convenient operation, operating stability is high, simple structure, can accomplish pipeline valve switch or bolt nut elasticity operation laborsaving safely more.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

fig. 1 is a first structural diagram of the wrench of the present invention.

Fig. 2 is a schematic view of a wrench according to the present invention.

Fig. 3 is a third schematic view of the wrench according to the present invention.

Fig. 4 is a schematic sectional view taken along a-a in fig. 3.

FIG. 5 is a partial schematic view of a wrench according to the present invention.

FIG. 6 is a partial schematic view of a wrench according to the present invention.

FIG. 7 is a first schematic view of the wrench according to the present invention.

FIG. 8 is a second schematic view of the wrench according to the present invention.

In the figure:

1. the wrench comprises a wrench handle, 2 moving blocks, 3 adjusting threaded sleeves, 11 threaded sections, 22 grooves, 33 clamping anti-skidding circular arc grooves, 44 annular clamping grooves, 55 clamping blocks, 6 valve hand wheels, 7 nuts and 8 spokes.

Detailed Description

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

As shown in fig. 1 to 8, the adjustable wrench comprises a wrench handle 1, a moving block 2 and an adjusting thread sleeve 3, wherein the moving block 2 and the adjusting thread sleeve 3 are arranged on the wrench handle and can move along the length direction of the wrench handle, a wrench jaw is formed between the head of the wrench handle and the moving block, a thread section 11 matched with the adjusting thread sleeve in a threaded manner is arranged on the wrench handle, the moving block and the adjusting thread sleeve are arranged side by side, and the moving block is located between the head of the wrench handle and the adjusting thread sleeve. The adjusting screw sleeve rotates on the wrench handle to realize axial adjustment of the adjusting screw sleeve, so that the position of the moving block on the wrench handle is adjusted, and the size of the opening of the jaw is adjusted.

The side surface of the head part of the wrench handle is provided with a clamping anti-skidding circular arc groove 33 which is matched with the valve spoke 8, and the clamping anti-skidding circular arc groove is stable and reliable when the clamping is carried out on the valve hand ring for plate movement.

The wrench handle is of a rod-shaped structure, the cross section of the wrench handle is gradually reduced from head to tail, the front section of the wrench handle forms a jaw part, and the rear section of the wrench handle is a handle means, so that the force is conveniently applied to operation.

The wrench handle is of a rod-shaped structure with a square section, the moving block is provided with a sliding hole matched with the shape of the wrench handle, and the sliding hole is sleeved on the wrench handle; the thread section on the wrench handle is arranged at the neck of the square rod, the two side surfaces of the wrench handle are smooth surfaces, and the moving block slides on the wrench handle stably and reliably and is not easy to shake.

The head of the wrench handle and the same side of the moving block are respectively provided with a protruding part, the two protruding parts form a wrench jaw, and the protruding part of the moving block is provided with a tooth structure corresponding to the jaw side; the jaw that the movable block and the spanner handle constitute is parallel to each other and perpendicular to screw thread section, and the tooth structure is trapezoidal groove tooth structure, and the arc recess 22 in jaw groove tooth face middle part equally divides trapezoidal groove flank of tooth into two, and the contained angle of the jaw face of movable block and the structural upper surface of trapezoidal groove tooth is 120, and is reliable and stable during the use.

The outer surface of the adjusting threaded sleeve 3 is provided with an anti-slip structure which can be patterns or external teeth, and the operation of rotating the adjusting threaded sleeve is simple and convenient.

The moving block is connected with the adjusting thread sleeve through a movable structure, the moving block can only move in the axial direction of the wrench handle, and the adjusting thread sleeve moves in the axial direction of the wrench handle through rotation.

Preferably, the movable structure is a bearing structure arranged between the moving block and the adjusting threaded sleeve. Or the movable structure comprises a clamping block 55 arranged on the moving block and an annular clamping groove 44 arranged in the adjusting threaded sleeve, the clamping block is an extending block arranged on the moving block, and the end part of the clamping block is provided with a bulge movably positioned in the annular clamping groove.

The shape of the block is like a symbol

The long end of the symbol is rigidly connected with the moving block, and the protruding structure at the short end is connected with the circular groove structure of the adjusting threaded sleeve in a sliding block mode; through this structural connection mode, guarantee that being connected of size adjustment thread bush and movable block satisfies the action requirement that the bearing is connected, when size adjustment thread bush was rotatory along the wrench handle, the movable block tightly was done axial slider motion on the wrench handle along size thread bush.

When the tightening bolt and the nut are used, the thread sleeve is rotated, the size of the jaw is adjusted, and after the jaw is tightly meshed with the bolt or the nut 7, the toothed bar force arm can be rotated to perform loosening and tightening operations; when the valve is opened and closed, the jaw bites the pipeline valve hand wheel 6, the tooth bar force arm is away from the direction of the circle center along the ring radial direction, after the clamping anti-skidding arc groove contains one side surface of the valve spoke, the thread sleeve is rotated, after the biting double teeth of the moving block are matched with the tooth bar teeth to tightly bite the valve hand wheel, the handle-pulling power arm is pulled along the tangential direction of the valve hand wheel, and the purpose of opening and closing the valve is achieved.

The adjustable wrench has reasonable structural design, is light and flexible, is convenient to use and adjust and operate, has high operation stability and simple structure, and can complete the tightening and loosening operation of a pipeline valve switch or a bolt and a nut more safely in a labor-saving way compared with the traditional F wrench or pipe tongs.

In the application example 1, as shown in fig. 7, when the adjustable wrench is used for loosening bolts and nuts, the jaw is firstly engaged with the nut in a matching manner, then the size-adjusting threaded sleeve is manually rotated to drive the moving block to do sliding block motion along the axial direction of the wrench handle, after two teeth are respectively tightly engaged with the side surface of the nut, the wrench handle power arm is rotated to perform nut tightening operation along the clockwise direction of the valve hand wheel, and at the moment, the jaw is moved forwards towards the stress direction of the wrench handle power arm.

When the nut is loosened, the wrench handle power arm is rotated, the nut is loosened along the counterclockwise direction of the valve hand wheel, and the jaw faces backwards towards the stress direction of the wrench handle power arm at the moment.

In an application example 2, as shown in fig. 8, when the adjustable wrench is used for opening a pipeline valve, firstly, a jaw contains a valve hand wheel ring, the position of teeth in a wrench handle is adjusted, after a clamping anti-skidding arc groove and the left side surface of a valve spoke are tightly attached to each other and are bitten, a size adjusting threaded sleeve is manually rotated to drive a moving block to perform sliding block movement along the axial direction of the wrench handle until the jaw is tightly bitten with the valve hand wheel ring, then, a wrench handle power arm is clockwise pulled along the tangential direction of the valve hand wheel, and after the power arm is rotated to reach a certain angle allowed by environmental work, the previous actions are repeated until the opening degree of the pipeline valve reaches the work production requirement.

In the process of closing the pipeline valve, basic steps are similar to the steps of opening the pipeline valve, firstly, a jaw contains a valve hand wheel ring, the position of teeth in a wrench handle is adjusted, after clamping anti-skidding arc grooves and the right side surface of valve spokes are tightly attached to each other and are bitten, a moving block is driven by a manual rotation size adjusting thread sleeve to do sliding block motion along the axial direction of the wrench handle until the jaw is tightly bitten with the valve hand wheel ring, then, a wrench handle power arm is pulled anticlockwise along the tangential direction of the valve hand wheel, and after the rotation power arm reaches an angle allowed by certain environment work, the front action is repeated until the degree of closing the pipeline valve reaches the work production requirement.

The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.

The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. The utility model provides an adjustable spanner, includes the spanner handle and establishes the regulation thread bush on the spanner handle and can follow the movable block that spanner handle length direction removed, its characterized in that: a wrench jaw is formed between the head of the wrench handle and the moving block, a threaded section which is in threaded fit with the adjusting threaded sleeve is arranged on the wrench handle, the moving block and the adjusting threaded sleeve are arranged side by side, and the moving block is positioned between the head of the wrench handle and the adjusting threaded sleeve;

the side surface of the head part of the wrench handle is provided with a clamping anti-skidding arc groove; the wrench handle is of a rod-shaped structure, and the cross section of the wrench handle is gradually reduced from the head to the tail.

2. The adjustable wrench of claim 1, wherein: the wrench handle is of a rod-shaped structure with a square cross section, the moving block is provided with a sliding hole matched with the shape of the wrench handle, and the sliding hole is sleeved on the wrench handle.

3. The adjustable wrench of claim 1, wherein: the head of the wrench handle and the moving block are respectively provided with a protruding part at the same side, the two protruding parts form a wrench jaw, and the protruding part of the moving block is provided with a tooth structure corresponding to the jaw side.

4. The adjustable wrench of claim 1, wherein: the moving block is connected with the adjusting thread sleeve through a movable structure.

5. The adjustable wrench of claim 1, wherein: the outer surface of the adjusting threaded sleeve is provided with an anti-skidding structure.

6. The adjustable wrench of claim 2, wherein: the thread section on the wrench handle is arranged at the neck of the square rod, and the two side surfaces of the wrench handle are polished surfaces.

7. The adjustable wrench of claim 4, wherein: the movable structure is a bearing connecting structure arranged between the movable block and the adjusting threaded sleeve.

8. The adjustable wrench of claim 4, wherein: the movable structure comprises a clamping block arranged on the moving block and an annular clamping groove arranged in the adjusting threaded sleeve, the clamping block is an extending block arranged on the moving block, and a protruding structure movably located in the annular clamping groove is arranged at the end of the clamping block.