CN218534337U

CN218534337U - Adjustable torque wrench

Info

Publication number: CN218534337U
Application number: CN202221835007.1U
Authority: CN
Inventors: 杨建波; 彭兴礼; 何云华; 张洪全
Original assignee: Yunnan Shangfa Construction Engineering Quality Inspection Co ltd
Current assignee: Yunnan Shangfa Construction Engineering Quality Inspection Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2023-02-28
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses an adjustable torque wrench, which relates to the technical field of torque wrenches and comprises a clamping mechanism, wherein a clamping jaw with adjustable space is arranged inside the clamping mechanism; and the adjusting mechanism is arranged on the clamping mechanism and is connected with the clamping jaws in a matched manner to control the distance between the clamping jaws. Adjustment mechanism can adjust the interval between the gripper jaw for the gripper jaw can improve work efficiency, and convenient to carry at the in-process of elasticity bolt with the bolt cooperation of different specifications.

Description

Adjustable torque wrench

Technical Field

The utility model relates to a torque wrench technical field especially relates to torque wrench with adjustable.

Background

The torque wrench is a common tool for tightening and loosening the bolt, the common bolt is a hexagon bolt, the hexagon bolt is divided into different specifications, wrenches with different specifications are needed in the process of tightening and loosening the hexagon bolt, the hexagon bolts with different specifications are usually needed to be fastened or loosened in daily work, various wrenches with different specifications are needed to be prepared, the torque wrench is inconvenient to carry, long time is consumed in the process of finding a target wrench, and the working efficiency is reduced; although the adjustable spanner that uses usually can adapt to the hexagon bolt of different specifications, only two joint faces of adjustable spanner and hexagon bolt, need manual rotation gyro wheel and apply the effort and make the bayonet socket department of spanner and hexagon bolt paste tightly when the bayonet socket of adjustment adjustable spanner is big or small, otherwise the adjustable spanner slips easily and damages the hexagon bolt when being connected with the hexagon bolt and rotate, use adjustable spanner at the in-process of elasticity hexagon bolt, it is difficult to do the circumference and rotate to receive operating environment's restriction, need constantly to adjust the joint position of adjustable spanner and hexagon bolt, it is inconvenient to adjust, and cause the aching pain of hand easily, the efficiency reduction of elasticity hexagon bolt of be.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides torque wrench with adjustable, solves the more spanner that needs to use different specifications of hexagon bolt specification and carries out the problem that the elasticity is operated, carry the inconvenient and efficiency reduction of spanner.

In order to achieve the above object, the utility model provides an adjustable torque wrench, include:

the clamping mechanism is internally provided with clamping claws with adjustable intervals;

and the adjusting mechanism is arranged on the clamping mechanism and is connected with the clamping claws in a matched manner to control the distance between the clamping claws.

Furthermore, the device also comprises a direction-changeable ratchet mechanism which is sleeved outside the clamping mechanism and the adjusting mechanism respectively.

Furthermore, the clamping mechanism comprises a clamping cylinder and a handle, the clamping cylinder is a hollow cylinder with two open ends, an adjusting area is arranged in the side wall of the open end of one end of the clamping cylinder, and sliding holes are arranged on the side wall of the clamping cylinder close to the axis at intervals; the handle is connected with the direction-changeable ratchet mechanism; the clamping claw is L-shaped, the short edge end of the clamping claw is arranged in the sliding hole in a sliding mode, and a spring is sleeved on the short edge end of the clamping claw; and two ends of the spring are respectively in contact connection with the long edge end of the clamping claw and the clamping cylinder.

Furthermore, the number of the sliding holes is six, and the sliding holes are arranged on the clamping cylinder in a hexagon shape.

Furthermore, an L-shaped chuck is arranged at the short-edge end of each clamping claw, and the end of the long-edge end of each clamping claw is spherical.

Further, the adjusting mechanism comprises an adjusting cylinder and an adjusting handle; the adjusting cylinder is internally provided with a conical adjusting hole and is connected with the inner wall of the adjusting area of the clamping cylinder, which is far away from the axis, through threads; the adjusting handle is connected with a direction-changeable ratchet mechanism.

Furthermore, the device also comprises a limiting mechanism; the limiting mechanism comprises a limiting stud; the adjusting handle is provided with a screw hole; the limiting stud is connected with the screw hole through threads.

The beneficial effects of the utility model embody:

1. through setting up fixture, gripper jaw, adjustment mechanism can adjust the interval between the gripper jaw for the gripper jaw can improve work efficiency, and convenient to carry at the in-process of elasticity bolt with the bolt cooperation of different specifications.

2. By arranging the direction-changeable ratchet mechanism, the clamping mechanism and the clamping claws can be driven to rotate in a certain swing space while the clamping mechanism and the clamping claws are stably connected with the bolt, so that the bolt is driven to rotate, and the phenomenon that the working efficiency is reduced due to the fact that the tightness operation of the bolt is limited by the environment is avoided; the reversible ratchet mechanism is matched with the adjusting mechanism, and the adjusting mechanism can be quickly driven to rotate, so that the distance between the clamping claws can be quickly adjusted to adapt to different bolts, and the working efficiency is improved.

3. Through setting up stop gear, after using adjustment mechanism adjustment gripper jaw interval, the fixed adjustment mechanism's of being convenient for position avoids adjustment mechanism to rotate and makes gripper jaw loosen the bolt and influence the elasticity operation of bolt at the in-process of elasticity bolt.

Drawings

Fig. 1 is a schematic view of the overall structure of the adjustable torque wrench of the present invention;

fig. 2 is a top view of the clamping mechanism of the adjustable torque wrench of the present invention;

fig. 3 is a top view of an adjusting mechanism of the adjustable torque wrench of the present invention;

fig. 4 is a schematic sectional view of the connection between the clamping mechanism and the adjusting mechanism of the adjustable torque wrench of the present invention;

description of the reference numerals:

1. a clamping mechanism; 101. a handle; 102. a clamping cylinder; 103. a regulatory region; 104. a gripper jaw; 105. a spring; 106. blind holes; 2. an adjustment mechanism; 201. an adjusting handle; 202. an adjusting cylinder; 203. an adjustment hole; 3. a limiting stud; 4. a reversible ratchet mechanism;

Detailed Description

Referring to fig. 1-4, the present invention provides an adjustable torque wrench, comprising:

the clamping mechanism 1 is internally provided with clamping claws 104 with adjustable intervals;

the adjusting mechanism 2 is arranged on the clamping mechanism 1, and the adjusting mechanism 2 is connected with the clamping claws 104 in a matched mode to control the distance between the clamping claws 104.

In the daily operation of tightening and loosening the hexagon bolts, the hexagon bolts have different specifications, generally, wrenches with various specifications are required to be prepared or connectors with different specifications are required to be replaced for tightening and loosening operation, or an adjustable wrench is used for operation, so that when the wrenches or the connectors with various specifications are used for tightening and loosening operation, the operation is inconvenient to carry and replace, and the working efficiency is reduced; when the adjustable wrench is used for operation, the clamping position of the adjustable wrench and the hexagon bolt needs to be continuously adjusted in the process of tightness, the efficiency is low, and the operation is inconvenient; the utility model discloses a torque wrench with adjustable, gripper jaw 104 in fixture 1 is interval change under adjustment of adjustment mechanism 2, and the hex bolts that can adapt to different specifications carries out the elasticity operation, and convenient to carry need not to change spanner or connector, improves work efficiency.

In an embodiment, referring to fig. 1 and 4, the clamping mechanism further includes a direction-changeable ratchet mechanism 4, and the direction-changeable ratchet mechanism 4 is sleeved outside the clamping mechanism 1 and the adjusting mechanism 2, respectively.

The direction-changeable ratchet mechanism 4 is a common auxiliary mechanism of the torque wrench, when the torque wrench is connected with the hexagon bolt for tightening and loosening operation, the handle 101 of the wrench can be rotated in a reciprocating manner to drive the direction-changeable ratchet mechanism 4 and the wrench to rotate circumferentially under the condition that the connection position of the wrench and the hexagon bolt is not changed, and the operation efficiency is high; the utility model discloses in, but diversion ratchet 4 is connected with adjustment mechanism 2, can drive adjustment mechanism 2 fast and rotate to make interval and hexagon bolt cooperation between the quick adjustment gripper jaw 104 when adjustment mechanism 2 cooperates with gripper jaw 104, can drive fixture 1 fast turn when diversion ratchet 4 cooperates with gripper jaw 1, improve elasticity hexagon bolt's efficiency, but through the adjustment diversion ratchet 4's direction of operation, be convenient for carry out the elasticity operation to hexagon bolt.

In an embodiment, referring to fig. 1, 2 and 4, the clamping mechanism 1 includes a clamping cylinder 102 and a handle 101, the clamping cylinder 102 is a hollow cylinder with two open ends, an adjusting area 103 is disposed in a side wall of an open end of one end of the clamping cylinder 102, and sliding holes are disposed at intervals on a side wall of the clamping cylinder 102 close to an axis; the handle 101 is connected with the direction-changeable ratchet mechanism 4; the clamping claw 104 is L-shaped, the short side end of the clamping claw 104 is arranged in the sliding hole in a sliding mode, and a spring 105 is sleeved on the short side end of the clamping claw 104; the two ends of the spring 105 are respectively connected with the long edge end of the clamping claw 104 and the clamping cylinder 102 in a contact manner.

When the distance between the clamping claws 104 is adjusted, the adjusting mechanism 2 moves towards the inside of the adjusting area 103 of the clamping cylinder 102 and is matched with the long edge end of the clamping claw 104 in the adjusting area 103 to push the clamping claw 104 to move towards the axis of the clamping cylinder 102, the spring 105 is compressed, so that the distance between the clamping claws 104 is reduced, when the adjusting mechanism 2 moves away from the adjusting area 103, the spring 105 restores to push the clamping claw 104 to move away from the axis of the clamping cylinder 102, so that the distance between the clamping claws 104 is increased, after the clamping claw 104 clamps the hexagonal bolt, the handle 101 is rotated, the direction-variable ratchet mechanism 4 is matched with the ratchet, so that the clamping cylinder 102 is driven to rotate to tighten or loosen the hexagonal bolt.

In one embodiment, referring to fig. 2, six sliding holes are hexagonally formed in the clamping cylinder 102, and six clamping claws 104 can be installed in the six sliding holes so as to cooperate with six surfaces of the hexagon bolt, so that the clamping claws 104 are clamped with the hexagon bolt more firmly, and the hexagon bolt is prevented from being damaged due to relative rotation of the clamping claws 104 and the hexagon bolt in the process of rotating the clamping cylinder 102 to lock the hexagon bolt.

In an embodiment, referring to fig. 2, an L-shaped chuck is disposed at the short side end of the clamping jaw 104, the end of the long side end of the clamping jaw 104 is spherical, and the chuck is L-shaped and can be clamped with six corners of a hexagon bolt, so that the stability of the connection between the clamping jaw 104 and the hexagon bolt is improved; the long edge end of the clamping claw 104 is spherical, and the clamping claw 104 can move quickly in the process of moving up and down of the adjusting mechanism 2.

In one embodiment, referring to fig. 3 and 4, the adjustment mechanism 2 comprises an adjustment cylinder 202, an adjustment handle 201; a conical adjusting hole 203 is formed in the adjusting cylinder 202, and the adjusting cylinder 202 is connected with the inner wall, far away from the axis, of the adjusting area 103 of the clamping cylinder 102 through threads; the adjusting handle 201 is connected with a direction-changeable ratchet mechanism 4. The adjusting mechanism 2 mainly functions to adjust the distance between the clamping jaws 104, when the adjusting handle 201 is rotated to drive the direction-changeable ratchet mechanism 4 to cooperate with the ratchets on the outer wall of the adjusting cylinder 202 to drive the adjusting cylinder 202 to rotate, the adjusting cylinder 202 is connected with the clamping cylinder 102 through threads, according to different directions of rotating the adjusting cylinder 202, when the adjusting cylinder 202 moves downwards to move towards the inside of the adjusting area 103, the inner wall of the conical adjusting hole 203 of the adjusting cylinder 202 is matched with the long edge end of the clamping jaw 104, the clamping jaw 104 is pushed to move towards the axis of the clamping cylinder 102 along with the reduction of the aperture of the adjusting hole 203, so that the distance between the clamping jaws 104 is reduced, when the adjusting cylinder 202 moves upwards, the aperture of the adjusting hole 203 is increased, the clamping jaw 104 is pushed to move away from the axis of the clamping cylinder 102 under the action of the spring 105, and the distance between the clamping jaws is increased, so that the hexagonal bolts with different specifications can be adapted.

In one embodiment, referring to fig. 1, the device further comprises a limiting mechanism; the limiting mechanism comprises a limiting stud 3; a screw hole is formed in the adjusting handle 201; the limiting stud 3 is connected with the screw hole through threads, according to different specifications of the hexagon bolts, the adjusting mechanism 2 is rotated to push the clamping claw 104 to move in the process of being clamped with the hexagon bolts, the position after the adjusting mechanism 2 rotates is uncertain, in order to avoid the situation that the adjusting handle 201 is affected by the outside in the process of using the clamping mechanism 1 to tighten the hexagon bolts, the position change of the adjusting cylinder 202 affects the clamping stability of the clamping claw 104 and the hexagon bolts, after the adjusting handle 201 drives the adjusting cylinder 202 to rotate, the adjusting handle 201 is rotated to be parallel to the handle 101, the limiting stud 3 is matched with the screw hole, the limiting stud 3 is rotated to move downwards to be abutted against the handle 101, the adjusting handle 201 can move along with the handle 101 in the process of rotating the handle 101, the position of the adjusting cylinder 202 cannot be affected, the blind hole 106 corresponding to the screw hole can be formed in the handle 101, and the limiting stud 3 can be conveniently connected with the adjusting handle 201 to move along with the handle 101.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Adjustable torque wrench, characterized in that includes:

the clamping mechanism (1), the inside of the clamping mechanism (1) is provided with a clamping claw (104) with adjustable spacing;

the adjusting mechanism (2) is arranged on the clamping mechanism (1), and the adjusting mechanism (2) is connected with the clamping claws (104) in a matched mode to control the distance between the clamping claws (104).

2. The adjustable torque wrench of claim 1, wherein: the adjustable ratchet mechanism is characterized by further comprising a direction-changeable ratchet mechanism (4), wherein the direction-changeable ratchet mechanism (4) is sleeved outside the clamping mechanism (1) and the adjusting mechanism (2) respectively.

3. The adjustable torque wrench of claim 2, wherein: the clamping mechanism (1) comprises a clamping cylinder (102) and a handle (101), the clamping cylinder (102) is a hollow cylinder with two open ends, an adjusting area (103) is arranged in the side wall of the open end of one end of the clamping cylinder (102), and sliding holes are arranged on the side wall, close to the axis, of the clamping cylinder (102) at intervals; the handle (101) is connected with the direction-changeable ratchet mechanism (4); the clamping claw (104) is L-shaped, the short side end of the clamping claw (104) is arranged in the sliding hole in a sliding mode, and a spring (105) is sleeved on the short side end of the clamping claw (104); two ends of the spring (105) are respectively in contact connection with the long edge end of the clamping claw (104) and the clamping cylinder (102).

4. The adjustable torque wrench as claimed in claim 3, wherein: six sliding holes are formed in the clamping cylinder (102), and the sliding holes are arranged on the clamping cylinder in a hexagonal shape.

5. The adjustable torque wrench of claim 3, wherein: the clamping jaw is characterized in that an L-shaped clamping head is arranged at the short side end of the clamping jaw (104), and the end of the long side end of the clamping jaw (104) is spherical.

6. The adjustable torque wrench of claim 5, wherein: the adjusting mechanism (2) comprises an adjusting cylinder (202) and an adjusting handle (201); a conical adjusting hole (203) is formed in the adjusting cylinder (202), and the adjusting cylinder (202) is connected with the inner wall, far away from the axis, of the adjusting area (103) of the clamping cylinder (102) through threads; the adjusting handle (201) is connected with the direction-changeable ratchet mechanism (4).

7. The adjustable torque wrench of claim 6, wherein: the device also comprises a limiting mechanism; the limiting mechanism comprises a limiting stud (3); a screw hole is formed in the adjusting handle (201); the limiting stud (3) is connected with the screw hole through threads.