CN212170221U - A kind of spanner - Google Patents

Abstract

The present application belongs to the field of wrench structure design, and in particular relates to a wrench, comprising: a grip rod with positioning protrusions on it; a moving block, which is slidably connected with the grip rod; The sleeve moves in the direction close to the positioning protrusion along the axial direction of the grip rod, abuts with the moving block, and pushes the moving block to move in the direction close to the positioning protrusion, so that the positioning protrusion and the moving block can clamp the heads of the bolts between them. In the non-positioning state, the positioning sleeve moves in the direction away from the positioning protrusion along the axial direction of the grip rod, so that the positioning protrusion and the moving block loosen the head of the bolt or the nut located therebetween.

Description

a wrench

technical field

The present application belongs to the field of wrench structure design, and in particular relates to a wrench.

Background technique

There are many types of existing bolts and their nuts, and their sizes are different. In engineering operations, different types of bolts and their nuts often need to be twisted frequently. The wrench is adjusted to suit the size of the bolt and its nut to be turned. Among them, different types of wrenches are used to screw them according to the size of the bolts and their nuts to be screwed. When carrying out engineering operations, it is necessary to prepare various types of wrenches in order to successfully implement the engineering operations and prepare for the work. The volume is large, and during the operation, it is necessary to change the size of the screw bolt and its nut more frequently, and use different types of wrenches. The operation efficiency is low, it is not flexible enough, and it is difficult to meet the requirements of rapid operation; use adjustable For engineering operations, the wrench can be adjusted according to the required size of the screw bolt and its nut, and has high flexibility. However, the adjustment part of the current adjustable wrench is mostly small, which is inconvenient to apply the adjustment force. The adjustment process is slow, and it is prone to sticking, which affects the efficiency of engineering operations.

The present application is made in view of the existence of the above-mentioned technical defects.

SUMMARY OF THE INVENTION

The purpose of the present application is to provide a wrench to overcome or alleviate the known technical deficiencies in at least one aspect.

The technical solution of this application is:

A wrench comprising:

a handle bar with positioning projections on it;

The moving block is slidingly connected with the handle;

The positioning sleeve, which is sleeved on the grip, has:

In the positioning state, the positioning sleeve moves in the direction close to the positioning protrusion along the axial direction of the grip rod, abuts with the moving block, and pushes the moving block to move in the direction close to the positioning protrusion, so that the positioning protrusion and the moving block can be clamped the head of a bolt or a nut located therebetween;

In the non-positioning state, the positioning sleeve moves in the direction away from the positioning protrusion along the axial direction of the grip rod, so that the positioning protrusion and the moving block loosen the head of the bolt or the nut located therebetween.

According to at least one embodiment of the present application, the positioning sleeve is threadedly connected to the grip rod.

According to at least one embodiment of the present application, the surface of the grip has an annular limit groove;

The positioning sleeve is located in the annular limit groove.

According to at least one embodiment of the present application, the grip surface has a guide groove;

The moving block is partially located in the guide groove.

According to at least one embodiment of the present application, the moving block has a connection protrusion;

The connecting protrusion is located in the guide groove.

According to at least one embodiment of the present application, the connecting protrusion is dovetailed.

According to at least one embodiment of the present application, the side wall of the guide groove has a guide hole;

A guide protrusion is provided on the moving block, and the guide protrusion is inserted into the guide hole.

According to at least one embodiment of the present application, it also includes:

Spring, set in pilot hole; locating sleeve in:

In the positioning state, one end of the spring is in contact with the wall surface of the guide hole, and the other end is in contact with the guide protrusion;

In the non-positioning state, the spring relies on its elastic force to push the guide protrusion to move in the direction away from the positioning protrusion, so as to drive the moving block to move in the direction away from the positioning protrusion.

This application has at least the following beneficial technical effects:

A wrench is provided, the wrench pushes the upper moving block to move through the sliding of the positioning sleeve on the grip rod, so as to be able to continuously adjust the distance between the moving block and the positioning protrusion, when the positioning sleeve is in the positioning state , the position of the positioning sleeve and the grip rod is relatively fixed, so that the positioning protrusion and the moving block can reliably clamp the head of the bolt or the nut between them, and push the grip rod to rotate, then the bolt or nut can be twisted. , the distance between the moving block and the positioning protrusion is adjusted by the positioning sleeve that can move along the axial direction of the grip rod, which is convenient for the application of the adjustment force, which is convenient, simple and easy to realize, and can avoid the stuck phenomenon to a certain extent.

Description of drawings

Fig. 1 is the structural representation of the wrench provided by the embodiment of the present application;

2 is a schematic diagram of a moving block provided by an embodiment of the present application;

in:

1-holding rod; 2-positioning protrusion; 3-moving block; 4-positioning sleeve; 5-bolt; 6-connecting protrusion; 7-guide protrusion; 8-spring.

Detailed ways

In order to make the technical solution of the present application and its advantages more clear, the technical solution of the present application will be further described in detail and completely with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the present application. The examples are only used to explain the present application, but not to limit the present application. It should be noted that, for the convenience of description, only the parts related to the present application are shown in the drawings, and other related parts may refer to the general design. If there is no conflict, the embodiments in the present application and the techniques in the embodiments Features can be combined with each other to obtain new embodiments.

Also, unless otherwise defined, technical or scientific terms used in the description of this application shall have the ordinary meaning as understood by those of ordinary skill in the art to which this application belongs. The words "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", etc. used in the description of this application to indicate orientation are only used To indicate the relative direction or positional relationship, rather than implying that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the described object changes, its relative positional relationship may also change accordingly. , so it cannot be construed as a limitation on this application. The terms "first", "second", "third" and similar terms used in the description of this application are only used for the purpose of description, to distinguish different components, and cannot be construed as indicating or implying relative importance. Words like "a," "an," or "the" and the like used in the description of this application should not be construed as an absolute limitation on the quantity, but should be construed as the presence of at least one. The use of "comprising" or "comprising" and similar words in the description of this application means that the elements or things appearing before the word encompass the elements or things listed after the word and their equivalents, but do not exclude other elements or things.

In addition, it should be noted that, unless otherwise expressly specified and limited, the words "installed", "connected", "connected" and the like used in the description of this application should be understood in a broad sense, for example, the connection may be a fixed The connection can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two components. A skilled person can understand its specific meaning in this application according to specific circumstances.

The present application will be further described in detail below with reference to FIGS. 1 to 2 .

A wrench comprising:

The handle bar 1 has a positioning protrusion 2 on it;

The moving block 3 is slidably connected with the handle bar 1;

The positioning sleeve 4 is sleeved on the handle bar 1 and has:

In the positioning state, the positioning sleeve 4 moves in the direction close to the positioning protrusion 2 along the axial direction of the grip rod 1, abuts with the moving block 3, and pushes the moving block 3 to move in the direction close to the positioning protrusion 2, thereby making the positioning protrusion 2. The moving block 3 can clamp the head or nut of the bolt 5 in between;

In the non-positioning state, the positioning sleeve 4 moves in the direction away from the positioning protrusion 2 along the axial direction of the grip rod 1 , so that the positioning protrusion 2 and the moving block 3 loosen the head or nut of the bolt 5 between them.

For the wrench disclosed in the above embodiment, those skilled in the art can understand that the positioning sleeve 4 can slide along the axial direction of the handle 1 so as to be able to abut with the moving block 3 and push the moving block 3 toward the position close to the positioning protrusion 2 . Direction movement, the adaptability continuously adjusts the distance between the moving block 3 and the positioning protrusion 2, when the positioning sleeve 4 is in the positioning state, the positioning sleeve 4 and the grip 1 are relatively fixed in position, at this time, the positioning protrusion 2, The moving block 3 can reliably clamp the head of the bolt 5 or the nut located therebetween, and push the handle 1 to rotate, so as to realize the screwing of the bolt 5 or the nut therebetween.

For the wrench disclosed in the above embodiment, those skilled in the art can also understand that the distance between the moving block 3 and the positioning protrusion 2 is adjusted through the positioning sleeve that can move axially along the handle 1, which is convenient for the application of the adjustment force , convenient, simple, easy to implement, and can avoid stuck phenomenon to a certain extent.

For the wrench disclosed in the above embodiment, those skilled in the art can also understand that, after the screwing of the bolt 5 or the nut is completed, the positioning sleeve 4 can be made to move away from the direction of the positioning protrusion 2 along the axial direction of the grip rod 1 . Movement, even if the positioning sleeve 4 is separated from the moving block 3, the positioning protrusion 2 and the moving block 3 loosen the head or nut of the bolt 5 between them, and the wrench is in a non-positioning state, which is convenient for the next use.

In some optional embodiments, the positioning sleeve 4 is threadedly connected to the grip rod 1 , and the positioning sleeve 4 can be moved along the axial direction of the grip rod 1 by rotating the positioning sleeve 4 .

In some optional embodiments, the surface of the handle bar 1 has an annular limit groove;

The positioning sleeve 4 is located in the annular limiting groove to prevent the positioning sleeve 4 from being disengaged from the gripping rod 1 .

In some optional embodiments, the surface of the handle bar 1 has a guide groove;

Part of the moving block 3 is located in the guide groove.

For the wrench disclosed in the above embodiment, those skilled in the art can understand that the guide groove extends axially along the handle bar 1 , and the moving block 3 is partially stuck in the guide groove, and can be pushed along the guide groove by the positioning sleeve 4 . The extension direction positioning protrusion 2 moves.

In some optional embodiments, the moving block 3 has a connecting protrusion 6;

The connecting protrusion 6 is located in the guide groove.

In some optional embodiments, the connecting protrusions 6 are dovetail-shaped, and fit in the guide grooves to realize the connection between the moving block 3 and the handle bar 1, so as to prevent the moving block 3 from coming out of the guide groove quickly, and the handle bar 1 separation.

In some optional embodiments, the side wall of the guide groove has a guide hole, and the guide hole extends along the axial direction of the handle bar 1;

The moving block 3 is provided with a guide protrusion 7, which is inserted into the guide hole to guide the movement of the moving block 3, so as to avoid jamming during the movement of the moving block 3.

In some optional embodiments, it also includes:

Spring 8, set in the guide hole; positioning sleeve 4 in:

In the positioning state, one end of the spring 8 is in contact with the wall surface of the guide hole, and the other end is in contact with the guide protrusion 7;

In the non-positioning state, the spring 8 relies on its elastic force to push the guide protrusion 7 to move away from the positioning protrusion 2, so as to drive the moving block 3 to move away from the positioning protrusion 2, so as to automatically move the guide protrusion 2 away from the positioning protrusion 2. The head or nut of the bolt 5 between the blocks 3 is loosened.

The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other.

So far, the technical solutions of the present application have been described with reference to the preferred embodiments shown in the accompanying drawings. Those skilled in the art should understand that the protection scope of the present application is obviously not limited to these specific embodiments, without departing from the principles of the present application. Under the premise that those skilled in the art can make equivalent changes or replacements to the relevant technical features, the technical solutions after these changes or replacements will fall within the protection scope of the present application.

Claims (8)

1. A wrench, comprising:

the holding rod (1) is provided with a positioning bulge (2);

the moving block (3) is connected with the holding rod (1) in a sliding manner;

the locating sleeve (4) is sleeved on the holding rod (1) and is provided with:

in a positioning state, the positioning sleeve (4) moves towards the direction close to the positioning protrusion (2) along the axial direction of the holding rod (1), abuts against the moving block (3), and pushes the moving block (3) to move towards the direction close to the positioning protrusion (2), so that the positioning protrusion (2) and the moving block (3) can clamp the head or the nut of the bolt (5) between the positioning protrusion and the moving block;

in a non-positioning state, the positioning sleeve (4) moves along the axial direction of the holding rod (1) to a direction far away from the positioning bulge (2), so that the positioning bulge (2) and the moving block (3) loosen the head or the nut of the bolt positioned between the positioning bulge and the moving block.

2. The wrench according to claim 1,

the positioning sleeve (4) is in threaded fit connection with the holding rod (1).

3. The wrench according to claim 1,

the surface of the holding rod (1) is provided with an annular limiting groove;

the locating sleeve (4) is located in the annular limiting groove.

4. The wrench according to claim 1,

the surface of the holding rod (1) is provided with a guide groove;

the moving block (3) is partially positioned in the guide groove.

5. The wrench according to claim 4,

the moving block (3) is provided with a connecting bulge (6);

the connecting protrusion (6) is positioned in the guide groove.

6. The wrench of claim 5,

the connecting protrusion (6) is in a dovetail shape.

7. The wrench according to claim 4,

the side wall of the guide groove is provided with a guide hole;

the moving block (3) is provided with a guide protrusion (7), and the guide protrusion (7) is inserted into the guide hole.

8. The wrench of claim 7,

further comprising:

a spring (8) disposed in the guide hole; the positioning sleeve (4) is positioned:

when the positioning state is realized, one end of the spring (8) is abutted against the wall surface of the guide hole, and the other end of the spring is abutted against the guide protrusion (7);

in the non-positioning state, the spring (8) pushes the guide protrusion (7) to move towards the direction far away from the positioning protrusion (2) by virtue of the elastic force of the spring so as to drive the moving block (3) to move towards the direction far away from the positioning protrusion (2).

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