CN213106575U

CN213106575U - Torque wrench

Info

Publication number: CN213106575U
Application number: CN202020989273.4U
Authority: CN
Inventors: 熊新国; 熊新莲; 熊八一
Original assignee: Jiujiang Huimingyuan Precision Industry Co ltd
Current assignee: Jiujiang Huimingyuan Precision Industry Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-05-04
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a torque wrench, which comprises a wrench handle, wherein a cavity is arranged inside the wrench handle, the two ends of the upper side of the wrench handle are welded on a wrench head, a groove is arranged in the middle of the wrench handle, a roller is arranged in the groove, a rolling shaft is arranged in the middle of the roller, the rolling shaft is welded on the side wall of the groove, the roller is also in threaded connection with a movable block, and the movable block is in sliding connection with the wrench head; the improved wrench handle is characterized in that a rotating motor is fixedly arranged on the inner wall of a cavity of the wrench handle, a power supply is arranged at the input end of the rotating motor, a button switch is connected between the rotating motor and the power supply, the bottom end of the button switch is sleeved on a spring, the bottom end of the spring is welded on the inner wall of the cavity of the wrench handle, the output end of the rotating motor is detachably connected with a sleeve, and the lower side of the sleeve penetrates out of the bottom of the wrench handle. The utility model provides an easy operation, adjust convenient, applicable torque wrench in different specification work pieces.

Description

Torque wrench

Technical Field

The utility model relates to a spanner technical field particularly, relates to a torque wrench.

Background

The torque wrench is also called torque wrench and torque adjustable wrench, and is one kind of wrench. According to the power source, the method can be divided into: electric torque wrench, pneumatic torque wrench, hydraulic torque wrench and manual torque wrench; manual torque wrenches can be divided into: presetting, constant value type, dial type, digital display type, sliding type, bending type and kilogram type wrench. The use of a torque wrench may allow an operator to apply a particular torque value when the tightness of the screw and bolt is critical. The torque wrench is mainly characterized in that: the torque can be set and is adjustable.

Application of the torque wrench: the torque wrench is used for fastening the bolt, the high-strength bolt can be divided into a torsional shear type bolt and a large hexagonal type bolt, the national standard torsional shear type high-strength bolt is divided into four types, namely M16, M20, M22 and M24, and the current torque shear type high-strength bolt is divided into two types, namely M27 and M30, which are not national standard; the national standard large-hexagon high-strength bolts comprise M16, M20, M22, M24, M27, M30 and the like. The high-strength bolt is generally fastened firstly and then finally, and each step needs strict torque requirements. A fixed torque wrench is required to be used for initial tightening and final tightening of the large-hexagon high-strength bolt.

When in use, the torque wrench can be tightened initially and finally, and the torque wrench is used for firstly adjusting the torque and then tightening the bolt. The fixed torque electric wrench has the characteristics that: convenient operation, time and labor saving and adjustable torque.

At present, most of the existing torque wrenches are mechanical, have single functions and are inconvenient to use.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a torque wrench, at present, current torque wrench adopts mechanical type mostly, and the function is more single, uses not very convenient problem.

In order to achieve the technical purpose, the technical scheme of the utility model is as follows:

the torque wrench comprises a wrench handle, wherein a cavity is arranged inside the wrench handle, two ends of the upper side of the wrench handle are welded on a wrench head, a groove is formed in the middle of the wrench handle, a roller is arranged in the groove, a rolling shaft is arranged in the middle of the roller and welded on the side wall of the groove, the roller is further in threaded connection with a movable block, and the movable block is in sliding connection with the wrench head; the improved wrench handle is characterized in that a rotating motor is fixedly arranged on the inner wall of a cavity of the wrench handle, a power supply is arranged at the input end of the rotating motor, a button switch is connected between the rotating motor and the power supply, the bottom end of the button switch is sleeved on a spring, the bottom end of the spring is welded on the inner wall of the cavity of the wrench handle, the output end of the rotating motor is detachably connected with a sleeve, and the lower side of the sleeve penetrates out of the bottom of the wrench handle.

Furthermore, the top of spanner head is provided with the through-hole groove, the movable block passes the through-hole groove with the gyro wheel is connected.

Further, the output end of the rotating motor is in threaded connection with the sleeve.

Further, the power supply is a dry battery.

Further, the wrench handle is made of carbon structural steel.

Further, a torsion hole is formed in the center of the sleeve.

The utility model has the advantages that: the torque wrench is simple to operate, adopts the rotating motor and the button switch, is convenient to adjust, and meanwhile, different sleeves are replaced according to actual conditions, so that the torque wrench can be suitable for workpieces of different specifications.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a torque wrench according to an embodiment of the present invention;

in the figure: 1. a wrench head; 2. a movable block; 3. a roller; 4. a wrench handle; 5. a push button switch; 6. a spring; 7. a sleeve; 8. a rotating electric machine; 9. and (6) twisting the hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

As shown in fig. 1, the torque wrench according to the embodiment of the present invention comprises a wrench handle 4, and is characterized in that a cavity is arranged inside the wrench handle 4, both ends of the upper side of the wrench handle 4 are welded on a wrench head 1, a groove is arranged in the middle of the wrench handle 4, a roller 3 is arranged in the groove, a rolling shaft is arranged in the middle of the roller 3, the rolling shaft is welded on the side wall of the groove, the roller 3 is further connected with a movable block 2 by a thread, and the movable block 2 is connected with the wrench head 1 in a sliding manner; the utility model discloses a spanner handle, including spanner handle 4, spring 6, rotating electrical machines 8, the input of rotating electrical machines 8 is provided with the power, be connected with button switch 5 between rotating electrical machines 8, the power, button switch 5's bottom cover is on spring 6, the bottom welding of spring 6 on spanner handle 4's the cavity inner wall, rotating electrical machines 8's the detachable sleeve 7 that is connected with of output, the downside of sleeve 7 is worn out spanner handle 4's bottom.

In this embodiment, the top of spanner head 1 is provided with the through-hole groove, movable block 2 passes the through-hole groove with gyro wheel 3 is connected.

In this embodiment, the output end of the rotating electrical machine 8 is connected with the sleeve 7 by a screw thread, so that the installation is convenient.

In this embodiment, the power source is a dry battery, which has economic and practical effects.

In this embodiment, the material of the wrench handle 4 is carbon structural steel, so that the structural compression resistance is stronger.

In this embodiment, the sleeve 7 is provided with a twist hole 9 in the center to match the workpiece.

In order to facilitate further understanding of the above technical solutions, the working principle thereof will now be explained:

as shown in fig. 1, the torque wrench has high operability, and for an individual workpiece, only the wrench head 1, the movable block 2 and the roller 3 need to be operated in a matching manner, the wrench head 1 is a fixed end, the movable block 2 is a movable end, the movable block 2 is adjusted to move through the roller 3, and the distance between the wrench head 1 and the movable block 2 is controlled, so that the workpiece is clamped, and the torque wrench can be suitable for workpieces of different specifications; torque wrench's lower extreme is equipped with sleeve 7, the centre of sleeve 7 is equipped with the hole of turning round 9, it is denser to the work piece, when wrench end 1 can't find the impetus, can be according to the aperture size of turning round hole 9 and the size of work piece, match the sleeve 7 with the specification, install sleeve 7, it corresponds the work piece to match round hole 9, then press button switch 5, the power switch-on, rotating electrical machines 8 drives sleeve 7 rotatory, take out the work piece, because button switch 5 lower extreme is equipped with spring 6, after loosening, button switch 5 can flick rapidly, the power disconnection, rotating electrical machines 8 stop rotatory, control sleeve 7 stops the function.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The torque wrench comprises a wrench handle (4) and is characterized in that a cavity is arranged inside the wrench handle (4), two ends of the upper side of the wrench handle (4) are welded on a wrench head (1), a groove is formed in the middle of the wrench handle (4), a roller (3) is arranged in the groove, a rolling shaft is arranged in the middle of the roller (3), two ends of the rolling shaft are welded on two side walls of the groove, the roller (3) is further in threaded connection with a movable block (2), and the movable block (2) is in sliding connection with the wrench head (1); rotating electrical machines (8) have set firmly on the cavity inner wall of spanner handle (4), the input of rotating electrical machines (8) is provided with the power, be connected with button switch (5) between rotating electrical machines (8), the power, the bottom cover of button switch (5) is on spring (6), the bottom welding of spring (6) is in on the cavity inner wall of spanner handle (4), the output detachable sleeve (7) that is connected with of rotating electrical machines (8), the downside of sleeve (7) is worn out the bottom of spanner handle (4).

2. The torque wrench according to claim 1, wherein the top end of the wrench head (1) is provided with a through-hole slot through which the movable block (2) passes to connect with the roller (3).

3. Torque wrench according to claim 1, characterised in that the output of the rotating electric machine (8) is in threaded connection with the sleeve (7).

4. The torque wrench of claim 1, wherein the power source is a dry cell battery.

5. The torque wrench as claimed in claim 1, wherein the wrench handle (4) is made of carbon structural steel.

6. Torque wrench according to claim 1, characterized in that the sleeve (7) is provided with a twist hole (9) in the centre.