CN220218264U - Conversion device for connecting torque wrench - Google Patents

Abstract

The utility model relates to the technical field of civil engineering, and particularly discloses a conversion device for connecting a torque wrench, which comprises a Z-shaped dowel bar and a digital display torque wrench, wherein one end of the Z-shaped dowel bar is provided with a jaw, the other end of the Z-shaped dowel bar is provided with a connector, the connector is connected with the digital display torque wrench, the shape of the jaw is matched with a nut, and an adjusting hoop can be arranged on a clamp arm of the jaw so as to adapt to nuts with different diameters. The Z-shaped dowel bar is arranged, so that the nut assembling and disassembling device is suitable for nut assembling and disassembling operations in narrow and long spaces, is simple and convenient to operate, solves the problem that the traditional torque wrench is limited to use in narrow spaces, can adjust the size of the jaw by combining the jaw and the arrangement of the adjusting hoop, and meets the use requirements of nuts with different diameters.

Description

Conversion device for connecting torque wrench

Technical Field

The utility model relates to the technical field of civil engineering, in particular to a conversion device for connecting a torque wrench.

Background

The torque wrench is also called a torque wrench or a torque wrench, and when a threaded fastener such as a screw bolt and a nut is fastened, the torque to be applied needs to be controlled so as to ensure that the threads are fastened and the threads are not damaged due to excessive torque, and the torque wrench needs to be used for operation.

Because of the structure that the wrench jaw and the wrench handle end are positioned on the same straight line, the traditional torque wrench is limited in use when fastening a bolt or a nut in a narrow and long space, a long-handle open-end wrench which is easy to process is usually used for field operation, the wrench obliquely stretches into the space to fasten, the operation is difficult, the bolt or the nut cannot be ensured to be fastened in place, or the screw thread is damaged due to overlarge torque.

Disclosure of Invention

Aiming at the technical problems in the prior art, the utility model provides a conversion device for connecting a torque wrench, which comprises a Z-shaped dowel bar and a digital display torque wrench, wherein one end of the Z-shaped dowel bar is provided with a jaw, the other end of the Z-shaped dowel bar is provided with a connector, the connector is connected with the digital display torque wrench, the shape of the jaw is matched with a nut, and an adjusting hoop can be installed on a clamp arm of the jaw.

Further, the thickness of the inner wall of the adjusting hoop is the level difference of the diameter of the nut.

Further, the inner hole of the adjusting ferrule is matched with the arm of the jaw, and the inner hole wall of the adjusting ferrule is magnetic and can be attached to the arm of the jaw.

Further, the digital display torque wrench and the cross section of the connector are rectangular, and the digital display torque wrench is sleeved outside the connector.

Further, the middle part of the connector is provided with a spring pin, the digital display torque wrench is provided with a pin hole matched with the spring pin, when the spring pin is matched with the pin hole, the connector is fixed with the digital display torque wrench, and otherwise, the connector and the digital display torque wrench are detachable.

Further, one end of the digital display torque wrench is provided with a bolt base, the other end of the digital display torque wrench is provided with a handle, the middle of the digital display torque wrench is provided with a torque sensing device, and the pin hole is formed in the bolt base.

Further, the torsion sensing device comprises a numerical display screen and a control button arranged below the numerical display screen.

The beneficial effects are that:

1. the Z-shaped dowel bar and the digital display torque wrench are arranged, so that the screw nut assembling and disassembling device is suitable for assembling and disassembling nuts in narrow and long spaces, is simple and convenient to operate, solves the problem that the conventional torque wrench is limited to use in narrow and long spaces, can ensure screw tightening and cannot damage screw threads due to overlarge torque, can adjust the size of the jaw by combining the jaw with the arrangement of the adjusting hoops, and meets the use requirements of nuts with different diameters.

2. According to the utility model, the thickness of the inner wall of the adjusting hoop is the difference of the diameters of the nuts, so that the nut with various diameters can be suitable for the nut, and the application range is improved; the inner hole wall of the adjusting hoop is provided with magnetism, so that the disassembly and assembly of the adjusting hoop and the clamp arm can be conveniently performed, and the efficiency is improved.

3. According to the utility model, through the arrangement that the section shapes of the digital display torque wrench and the connector are rectangular, the digital display torque wrench and the connector can be conveniently connected, and meanwhile, the digital display torque wrench and the connector are prevented from rotating; the setting that combines spring pin and pinhole can improve joint strength, also can make things convenient for operating personnel to confirm simultaneously whether both cooperate completely, improves the safety in utilization.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall installation structure of the present utility model;

FIG. 2 is a schematic view of the structure of the Z-shaped dowel bar of the present utility model;

FIG. 3 is a schematic diagram of a digital torque wrench according to the present utility model.

Reference numerals illustrate:

1. a Z-shaped dowel bar; 2. a digital display torque wrench; 21. a latch base; 22. a grip; 23. a numerical display screen; 24. a control button; 3. a jaw; 4. a joint; 5. adjusting the ferrule; 6. a spring pin; 7. pin holes.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

The utility model provides a conversion device for connecting a torque wrench, which is shown in fig. 1, 2 and 3, and comprises a Z-shaped dowel bar 1 and a digital display torque wrench 2, wherein one end of the digital display torque wrench 2 is provided with a bolt base 21, the other end of the digital display torque wrench 2 is provided with a handle 22, the middle of the digital display torque wrench is provided with a torque induction device, the torque induction device comprises a numerical display screen 23 and a control button 24 arranged below the numerical display screen 23, one end of the Z-shaped dowel bar 1 is provided with a jaw 3, the other end of the Z-shaped dowel bar is provided with a joint 4, the joint 4 is connected with the digital display torque wrench 2, the shape of the jaw 3 is matched with a nut, an adjusting ferrule 5 can be arranged on a clamping arm of the jaw 3, the thickness of the inner wall of the adjusting ferrule 5 is the difference of the diameter of the nut, the digital display torque wrench is suitable for nuts with various diameters, the application range is further improved, and when the adjusting ferrule 5 is not arranged, the diameter of the nut applicable to the jaw 3 is the largest.

In this embodiment, through setting up of Z shape dowel bar 1 and digital display torque wrench 2, can be applicable to the dismouting operation of nut in the narrow and small slender space, easy and simple to handle has solved traditional torque wrench and has used limited problem in narrow and small space, can guarantee the screw fastening simultaneously and be unlikely to destroy the screw thread because of the moment is too big, combines the setting of keeping silent 3 and adjusting the cuff 5, can adjust the size of keeping silent 3, satisfies the user demand of different diameter nuts.

In the present utility model, as shown in fig. 1 and 2, the inner hole of the adjusting ferrule 5 is matched with the arm of the jaw 3, and the inner hole wall of the adjusting ferrule 5 is magnetic and can be attached to the arm.

In this embodiment, the inner hole wall of the adjusting ferrule 5 is provided with magnetism, so that the assembling and disassembling of the adjusting ferrule 5 and the clamp arm can be facilitated, and the efficiency is improved.

In the present utility model, as shown in fig. 1 and 2, the digital torque wrench 2 and the joint 4 are rectangular in cross section, and the digital torque wrench 2 is sleeved outside the joint 4.

In this embodiment, through the digital display torque wrench 2 with the cross-sectional shape of connect 4 is the setting of rectangle, can make things convenient for the connection of both, avoids taking place the rotation between the two simultaneously.

In the utility model, as shown in fig. 2 and 3, a spring pin 6 is arranged in the middle of the joint 4, a pin hole 7 matched with the spring pin 6 is arranged on the digital display torque wrench 2, when the spring pin 6 is matched with the pin hole 7, the joint 4 and the digital display torque wrench 2 are fixed, otherwise, the joint 4 and the digital display torque wrench 2 can be detached.

In the embodiment, through the arrangement of the spring pin 6 and the pin hole 7, the connection strength can be improved, meanwhile, an operator can conveniently confirm whether the spring pin 6 and the pin hole 7 are completely matched, the use safety is improved, when the spring pin 6 is sprung to be matched with the pin hole 7 in specific installation, the spring pin 6 can be firmly matched with the pin hole 7 at the moment, the follow-up operation can be performed, otherwise, the fact that the spring pin 6 and the pin hole are not completely matched can be indicated, and the follow-up operation cannot be performed; when the spring pin is detached, the spring pin 6 is pressed to be separated from the pin hole 7, so that the spring pin and the pin hole can be separated.

Working principle:

as shown in fig. 1 to 3, before use, the adjusting hoop 5 with proper size is selected by the size of the nut, and is connected and fixed with the clamp arm, and meanwhile, the Z-shaped dowel bar 1 and the digital display torque wrench 2 are connected and fastened; when in use, the jaw 3 at the front end of the Z-shaped dowel bar 1 is firstly extended into the long and narrow space, so that the adjusting hoop 5 is connected with the nut; then the control button 24 on the digital display torque wrench 2 is used for setting the required maximum torque value, then an operator gradually twists the torque wrench, when the applied torque reaches the maximum torque value, the torque wrench can give out a warning, the applied torque can be removed at the moment, the jaw 3 can be withdrawn, the nut is fastened, the torque can be prevented from exceeding the maximum torque value through the warning, and accordingly the occurrence of the slipping phenomenon of the nut is avoided.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (7)

1. A conversion device for connecting torque wrench, its characterized in that includes Z shape dowel steel (1) and digital display torque wrench (2), Z shape dowel steel (1) one end is equipped with keeps silent (3), and the other end is equipped with connects (4), connect (4) connect digital display torque wrench (2), the shape of keeping silent (3) matches with the nut, and can install on the tong arm of keeping silent (3) and adjust cuff (5).

2. A conversion device for connecting a torque wrench according to claim 1, wherein the inner wall thickness of the adjustment collar (5) is a step of the nut diameter.

3. A conversion device for connecting a torque wrench according to claim 2, wherein the inner bore of the adjustment collar (5) is adapted to mate with the jawarms of the jaws (3), and wherein the inner bore wall of the adjustment collar (5) is magnetically attachable to the jawarms.

4. A conversion device for connecting a torque wrench according to any one of claims 1 to 3, wherein the digital torque wrench (2) and the connector (4) are rectangular in cross-section, and the digital torque wrench (2) is sleeved outside the connector (4).

5. The conversion device for connecting a torque wrench according to claim 4, wherein a spring pin (6) is arranged in the middle of the joint (4), a pin hole (7) matched with the spring pin (6) is arranged on the digital display torque wrench (2), and when the spring pin (6) is matched with the pin hole (7), the joint (4) and the digital display torque wrench (2) are fixed, otherwise, the joint and the digital display torque wrench (2) are detachable.

6. The conversion device for connecting a torque wrench according to claim 5, wherein one end of the digital display torque wrench (2) is provided with a latch base (21), the other end is provided with a grip (22), the middle is provided with a torque sensing device, and the pin hole (7) is arranged on the latch base (21).

7. A conversion device for connecting a torque wrench according to claim 6, wherein the torque sensing means comprises a numerical display (23) and a control button (24) arranged below the numerical display (23).