CN210025075U - adjustable wrench - Google Patents

Abstract

The utility model relates to the field of bolt installation and disassembly, and specifically discloses an adjustable wrench, which comprises a fixed piece, a movable piece and an adjustment piece. The fixed piece is at least provided with a first connection position and a first clamping position; the The movable part is at least provided with a screw rod and a second holding position; the adjusting part is at least provided with a through threaded hole and a second connection position; the first connection position and the second connection position are rotatably matched, and the screw rod passes through Set in the threaded hole, the first holding position corresponds to the second holding position. A single wrench can be used to turn various sizes of bolts and nuts.

Description

adjustable wrench

technical field

The utility model relates to the field of bolt installation and disassembly, in particular to an adjustable wrench.

Background technique

In daily life, people often use bolts to fix objects. Due to the different environments in which the bolts are used, the wrench used for screwing the bolts also changes. For example, when removing bolts of various specifications, a variety of However, it is very inconvenient to wear wrenches of different specifications, and it is also a big expense to buy wrenches of different specifications.

SUMMARY OF THE INVENTION

The purpose of the utility model is to improve the shortcomings of the prior art, and to provide an adjustable wrench, which enables one wrench to screw bolts and nuts of various specifications.

Its technical solutions are as follows:

The adjustable wrench includes a fixed part, a movable part and an adjustment part, the fixed part is at least provided with a first connection position and a first clamping position; the movable part is at least provided with a screw rod and a second clamping position; the adjustment The part is at least provided with a through threaded hole and a second connection position; the first connection position and the second connection position are rotatably matched, the screw rod passes through the threaded hole, and the first clamping position is connected to the second connection position. The second holding positions correspond to each other.

It also includes a mounting piece, the mounting piece is provided with a first protrusion, the first connection position of the fixing piece is provided with a first snap groove, the mounting piece is movably mounted on the adjusting piece, the The first protrusion is fixedly clamped in the first clamping groove.

The mounting member is further provided with a second protrusion, the second connection position of the adjusting member is provided with a second clamping groove, and the second protrusion is movably matched with the second clamping groove.

The mounting piece has two pieces, the upper and lower end faces of the first connection position are provided with a first snap groove, the upper and lower end surfaces of the adjustment piece are provided with a second snap groove, and the two mounting pieces are respectively movably installed on the the upper and lower end faces of the adjusting piece.

The sum of the heights of the two mounting pieces is smaller than the height of the adjusting pieces.

A non-slip portion is provided on the outer side of the adjusting member.

The anti-skid portion includes raised ribs or recessed through grooves.

A scale is set on the fixing member, the direction of the scale is the same as the axis direction of the screw, and the zero scale line of the scale is at the point where the second holding position contacts the first holding position, The free end of the screw is flush with the outer end surface of the fixing piece.

The top of the first holding position is provided with a magnetic hole, and a magnet is installed on the magnetic hole.

The fixing member has a rectangular shape, one end of the rectangle is provided with the first connection position, and the opposite end is provided with two inclined and symmetrical support arms, and the inner side of the support arms forms the first clamping position.

It should be noted:

The aforementioned "first, second, third..." does not represent a specific number and order, but is only used to distinguish names.

The advantages or principles of the present utility model are described below:

1. The adjustable wrench uses the screw of the movable part to cooperate with the threaded hole of the adjustment part, and then rotates the second connection position of the adjustment part and the first connection position of the fixed part, and the fixed part, the movable part and the adjustment part are connected. In order to locate each other, the adjusting part can only rotate relative to the fixed part, so when the adjusting part is rotated, the screw moves up and down, so the movable part moves up and down as a whole, and the first clamping position arranged on the fixed part and the second holding position of the movable part are arranged on the movable part. The two clamping positions are relatively close to and away from each other, and the first clamping position and the second clamping position are used to clamp the screwing head of the bolt, so the size adjustment of the clamping position is realized, so as to adapt to the screwing of various specifications of bolts. , the realization of a wrench can adapt to the screwing of various bolts, easy to carry and save the purchase cost.

2. The mounting piece is provided with a first protrusion to be fixedly matched with the first clamping groove of the first connection position. In addition, the mounting piece is also movably matched with the adjusting piece, so that the movable piece can rotate.

3. Specifically, a second protrusion is provided on the mounting part, and the second protrusion is rotated and matched with the second clamping groove of the adjusting part, so the mounting part plays the role of connecting the adjusting part, and can ensure the normal operation of the adjusting part. turn.

4. There are two mounting pieces, which are connected to the adjusting piece through the upper and lower movable connection, so the two pieces are set more stable. Whether it is moving up or down, there is the same resistance of the mounting piece to prevent displacement, so the structure is more reliable.

5. The sum of the heights of the two mounting pieces is less than the height of the adjusting piece, so the adjusting piece is not completely wrapped in the mounting piece, and the exposed part in the middle can be manually rotated by the adjusting piece, so the up and down movement of the control screw is finally controlled. The movable part moves up and down to control the space for clamping the bolt.

6. The anti-skid part arranged on the outer side of the adjusting piece can increase the friction force when the hand is rotated, so as to facilitate the rotation. Specifically, the anti-skid portion is specifically set as a raised rib or a concave through groove, so the anti-skid effect is more obvious.

7. There is a scale on the fixed part to measure the length. In addition, the screw can be moved down and then the depth can be measured. It can also play the role of a scale and a depth gauge at will.

8. There is a magnetic hole at the top of the first clamping position. By installing a magnet on the magnetic hole, the setting of the magnet can collect the unscrewed bolts or nuts, avoiding the falling and loss of the bolts or nuts. Therefore, it is convenient to collect, and can be easily aligned with the installation position through the adsorption of the magnet during installation.

9. The fixing member is set in a rectangular shape, which is relatively simple in processing, and is supported by two inclined and symmetrical support arms. The inner side of the two support arms is provided with a first clamping position, which is relatively flat to the clamping bolt Head or nut, the inclined clamping is not easy to shift, and the clamping effect is more stable.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of an adjustable wrench according to an embodiment of the present invention;

2 is a front cross-sectional view of an adjustable wrench according to an embodiment of the present invention;

Fig. 3 is the enlarged schematic diagram of the structure at place A in Fig. 2 in the embodiment of the present utility model;

4 is a schematic diagram of a three-dimensional structure of a mounting member according to an embodiment of the present invention;

5 is a schematic diagram of the three-dimensional structure of the movable part according to the embodiment of the present invention;

Description of reference numbers:

10. Fixing part; 11. The first connection position; 111, The first clamping slot; 12, The first clamping position; 121, Magnetic hole; 13, Scale; 14, Support arm; ; 22, the second holding position; 30, the adjustment piece; 31, the second connection position; 311, the second snap groove; 32, the threaded hole; 33, the anti-skid part; 331, the through groove; , the first protrusion; 42, the second protrusion.

Detailed ways

The embodiments of the present invention will be described in detail below.

As shown in FIG. 1 to FIG. 5 , the adjustable wrench is characterized in that it includes a fixed part 10 , a movable part 20 and an adjustment part 30 , and the fixed part 10 is provided with at least a first connection position 11 and a first clamping position 12 ; the movable member 20 is at least provided with a screw 21 and a second holding position 22; the adjusting member 30 is at least provided with a through threaded hole 32 and a second connection position 31; the first connection position 11 and the first connection position 11 The two connecting positions 31 are rotatably matched, the screw rod 21 is inserted into the threaded hole 32 , the first holding position 12 corresponds to the second holding position 22 , and a mounting member 40 is also included. The mounting member 40 is provided with a first protrusion 41, the first connection position 11 of the fixing member 10 is provided with a first snap groove 111, the mounting member 40 is movably mounted on the adjusting member 30, the A protrusion 41 is fixedly clamped in the first clamping groove 111 , the mounting member 40 is further provided with a second protrusion 42 , and the second connection position 31 of the adjusting member 30 is provided with a second clamp The connecting groove 311, the second protrusion 42 is movably matched with the second locking groove 311, the mounting member 40 has two pieces, and the upper and lower end surfaces of the first connecting position 11 are provided with a first locking groove 111. , the upper and lower end faces of the adjusting member 30 are both provided with a second clamping slot 311, and the two mounting members 40 are respectively movably installed on the upper and lower end faces of the adjusting member 30, and the sum of the heights of the two mounting members 40 is less than the height of the adjusting member 30 .

As shown in FIG. 1 and FIG. 5 , an anti-slip portion 33 is provided on the outer side of the adjusting member 30 , and the anti-slip portion 33 includes a raised rib or a recessed through groove 331 .

As shown in FIG. 1 , a scale 13 is provided on the fixing member 10 , the direction of the scale 13 is the same as the axis direction of the screw 21 , and the zero scale 13 line of the scale 13 is at the second holding position 22 The free end of the screw 21 is flush with the outer end surface of the fixing member 10 at the contact with the first holding position 12 .

The top of the first holding position 12 is provided with a magnetic hole 121 , and a magnet is installed on the magnetic hole 121 .

The fixing member 10 has a rectangular shape, one end of the rectangle is provided with the first connection position 11 , and the opposite end is provided with two inclined and symmetrical support arms 14 , and the inner side of the support arms 14 forms the first connection position 11 . Card holder 12.

The advantages and principles of this embodiment:

1. The adjustable wrench uses the screw 21 of the movable part 20 to cooperate with the threaded hole 32 of the adjustment part 30, and then the second connection position 31 of the adjustment part 30 and the first connection position 11 of the fixed part 10 are rotated and connected to fix the The adjusting member 10, the movable member 20 and the adjusting member 30 are positioned relative to each other, wherein the adjusting member 30 can only rotate relative to the fixed member 10, so when the adjusting member 30 is rotated, the screw 21 moves up and down, so the movable member 20 moves up and down as a whole. The first holding position 12 of the fixed member 10 is relatively close to and away from the second holding position 22 disposed on the movable member 20 , and the first holding position 12 and the second holding position 22 are used for the clamping bolts to rotate. Therefore, by realizing the adjustment of the size of the clamping, it can adapt to the screwing of various specifications of bolts, and a single wrench can be adapted to the screwing of various bolts, which is convenient to carry and saves the purchase cost.

2. The mounting member 40 is provided with a first protrusion 41 to be fixedly matched with the first snap groove 111 of the first connection position 11. In addition, the mounting member 40 is also movably matched with the adjusting member 30, so the movable member 20 can rotate. .

3. Specifically, a second protrusion 42 is provided on the mounting member 40, and the second protrusion 42 is rotated and matched with the second engaging groove 311 of the adjusting member 30, so the mounting member 40 plays the role of connecting the adjusting member 30. And it can ensure the normal rotation of the adjusting member 30 .

4. The mounting piece 40 is provided with two pieces, which are connected to the adjusting piece 30 in a way of moving up and down, so the two pieces are set more stable, and the same resistance of the mounting piece 40 prevents displacement whether it is moving up or down, so structurally more reliable.

5. The sum of the heights of the two mounting pieces 40 is smaller than the height of the adjusting piece 30, so the adjusting piece 30 is not completely wrapped in the mounting piece 40, and the exposed part in the middle can be manually rotated by the adjusting piece 30, so the control The up and down movement of the screw 21 finally controls the up and down movement of the movable member 20, thereby controlling the space for clamping the bolt.

6. The anti-skid portion 33 provided on the outer side of the adjusting member 30 can increase the frictional force when the hand is rotated, thereby facilitating the rotation. Specifically, the anti-skid portion 33 is specifically set as a raised rib or a concave through groove 331, so the anti-slip effect is more obvious.

7. There is a scale 13 on the fixing part 10 to measure the length. In addition, the screw 21 can be moved down to measure the depth. It can also function as a scale of 13 feet and a depth gauge at will.

8. A magnetic hole 121 is opened at the top of the first clamping position 12. By installing a magnet on the magnetic hole 121, the set of the magnet can collect the unscrewed bolts or nuts, so as to avoid the bolts or nuts from falling. and lost, so it is easy to collect, and can be easily aligned with the installation position through the adsorption of the magnet during installation.

9. The fixing member 10 is set in a rectangular shape, which is relatively simple in processing, and is supported by two inclined and symmetrical support arms 14. The inner side of the two support arms 14 is provided with a first holding position 12, which is relatively flat relative to the plane. The clamping bolt head or nut is not easy to be displaced by the inclined clamping, and the clamping effect is more stable.

The above are only specific embodiments of the present utility model, which do not limit the protection scope of the present utility model; any replacements and improvements made on the basis of not violating the concept of the present utility model belong to the protection scope of the present utility model.

Claims (10)

1. The adjustable wrench is characterized by comprising a fixed part, a movable part and an adjusting part, wherein the fixed part is at least provided with a first connecting position and a first clamping position; the movable piece is at least provided with a screw and a second clamping position; the adjusting piece is at least provided with a through threaded hole and a second connecting position; the first connecting position is matched with the second connecting position in a rotating mode, the screw rod penetrates through the threaded hole, and the first clamping position corresponds to the second clamping position.

2. The adjustable wrench as claimed in claim 1, further comprising a mounting member, wherein the mounting member has a first protrusion, the first connecting portion of the mounting member has a first engaging groove, the mounting member is movably mounted on the adjusting member, and the first protrusion is fixedly engaged with the first engaging groove.

3. The adjustable wrench as claimed in claim 2, wherein the mounting member further has a second protrusion, the second connecting portion of the adjusting member has a second engaging groove, and the second protrusion is movably engaged with the second engaging groove.

4. The adjustable wrench as claimed in claim 3, wherein the mounting member has two pieces, the first connecting portion has a first engaging groove formed on both the upper and lower end surfaces thereof, the adjusting member has a second engaging groove formed on both the upper and lower end surfaces thereof, and the two mounting members are movably mounted on the upper and lower end surfaces of the adjusting member, respectively.

5. The adjustable wrench of claim 4, wherein the sum of the heights of the two mounting members is less than the height of the adjustment member.

6. An adjustable spanner as claimed in any one of claims 1 to 5 wherein the outer side of said adjustment member is provided with a non-slip portion.

7. The adjustable wrench of claim 6, wherein the non-slip portion comprises a raised rib or a recessed channel.

8. The adjustable wrench as claimed in any one of claims 1 to 5, wherein the fixing member is provided with a scale, the scale is in the same direction as the axis of the screw, a zero scale line of the scale is located at a position where the second clamping position is in contact with the first clamping position, and the free end of the screw is flush with the outer end surface of the fixing member.

9. The adjustable wrench as claimed in any one of claims 1 to 5, wherein a magnetic hole is formed at a top of the first retaining portion, and a magnet is mounted on the magnetic hole.

10. An adjustable spanner as claimed in any one of claims 1 to 5 wherein said fixing member is rectangular in shape, one end of said rectangle defining said first engagement location and the opposite end defining two angled and symmetrical support arms, the inner sides of said support arms defining said first retention location.

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