CN210732305U

CN210732305U - Nut torque tool

Info

Publication number: CN210732305U
Application number: CN201921722528.4U
Authority: CN
Inventors: 李庆; 李伟峰; 雷新峰; 潘亚君; 代含军; 黄林
Original assignee: Wuhan Qidakang Energy Equipment Co ltd
Current assignee: Wuhan Qidakang Energy Equipment Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-06-12
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses a nut torque tool in the technical field of torque wrench equipment, including spanner, clamping device and nut, open the left end of spanner has the mounting hole, install the combination bar in the mounting hole, open the right-hand member of spanner has the screw, the rubber sleeve has been cup jointed to the outside of spanner, the left end of clamping device through the screw thread install in the screw, the right side wall of clamping device is pegged graft and is had the clamping post, clamping device is open state, the right side wall welding of clamping post is fixed with square post, the nut is located the right-hand member of square post, the left end of nut is square structure; this setting of nut moment of torsion instrument, structural design is reasonable, installs clamping device at the right-hand member of spanner, and clamping device's use can be effectual fixes pressing from both sides tight post, makes it even as an organic whole with the spanner, avoids taking place not hard up at the in-process that uses to improve the security of using.

Description

Nut torque tool

Technical Field

The utility model relates to a torque wrench equipment technical field specifically is a nut torque instrument.

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 existing torque wrench has a serious problem that the torque head can be loosened from the wrench in the using process, so that the using safety of the wrench is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nut moment of torsion instrument to the torque wrench who proposes in solving above-mentioned background art takes place to become flexible between the in-process moment of torsion head that uses can and the spanner, thereby has reduced the problem of the safety in utilization of spanner.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a nut torque instrument, includes spanner, clamping device and nut, open the left end of spanner has the mounting hole, install the combination pole in the mounting hole, open the right-hand member of spanner has the screw, the rubber sleeve has been cup jointed to the outside of spanner, clamping device's left end pass through the screw thread install in the screw, clamping device's right side wall is pegged graft and is had the tight post of clamp, clamping device is open state, the right side wall welded fastening of pressing from both sides tight post has square post, the nut is located the right-hand member of square post, the left end of nut is square structure.

Preferably, the combination pole includes head rod and second connecting rod, the bottom welded fastening of head rod has first spliced pole, the top welded fastening of second connecting rod has the second spliced pole, open at the top of second spliced pole has the through-hole, first spliced pole with the through-hole cooperation at second spliced pole top is connected.

Preferably, the outer side wall of the wrench is provided with a concave groove, and the rubber sleeve is arranged in the concave groove.

Preferably, the clamping column and the square column are both square structures.

Compared with the prior art, the beneficial effects of the utility model are that: this setting of nut moment of torsion instrument, structural design is reasonable, installs clamping device at the right-hand member of spanner, and clamping device's use can be effectual fixes pressing from both sides tight post, makes it even as an organic whole with the spanner, avoids taking place not hard up at the in-process that uses to improve the security of using.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention.

In the figure: the wrench comprises a wrench 100, a combined rod 110, a first connecting rod 111, a second connecting rod 112, a first connecting column 113, a second connecting column 114, a rubber sleeve 120, a mounting hole 130, a screw hole 140, a clamping device 200, a clamping column 210, a square column 211 and a nut 300.

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 without creative work belong to the protection scope of the present invention.

The utility model provides a nut moment of torsion instrument for fix the tight post of clamp, make it even as an organic whole with the spanner, avoid taking place not hard up at the in-process that uses, thereby improve the security of using, please refer to and draw together 1-2, including spanner 100, clamping device 200 and nut 300.

Referring to fig. 1-2, the wrench 100 has a mounting hole 130 at the left end, a combination rod 110 is installed in the mounting hole 130, a screw hole 140 is opened at the right end of the wrench 100, a rubber sleeve 120 is sleeved outside the wrench 100, the wrench 100 is used for force transmission, the combination rod 110 is used for applying force to the wrench 100, and the rubber sleeve 120 is used for increasing the friction force between the wrench 100 and the palm.

Referring to fig. 1-2 again, the left end of the clamping device 200 is installed in the screw hole 140 by a screw thread, the right side wall of the clamping device 200 is inserted with the clamping column 210, the clamping device 200 is in an open state, the right side wall of the clamping column 210 is welded and fixed with the square column 211, and since the left end of the clamping device 200 is open, after the clamping column 210 is inserted into the clamping device 200, the clamping device 200 is screwed into the screw hole 140 at the right end of the wrench 100, so that the clamping column 210 can be firmly pressed, the clamping column 210 is prevented from being separated from the clamping device 200, and the clamping device 200 is used for applying force to the nut 300.

Referring to fig. 1 again, the nut 300 is located at the right end of the square column 211, the left end of the nut 300 is in a square structure, and the nut 300 is used for tightening a workpiece.

Referring to fig. 1-2 again, in order to facilitate the assembly and disassembly of the combination rod 110, the combination rod 110 includes a first connection rod 111 and a second connection rod 112, a first connection post 113 is welded and fixed at the bottom of the first connection rod 111, a second connection post 114 is welded and fixed at the top of the second connection rod 112, a through hole is formed at the top of the second connection post 114, the first connection post 113 is connected with the through hole at the top of the second connection post 114 in a matching manner, and the first connection rod 111 and the second connection rod 112 are used for facilitating the palm holding.

Referring to fig. 1-2, in order to improve the stability of the installation of the rubber sleeve 120, a concave groove is formed on the outer side wall of the wrench 100, and the rubber sleeve 120 is installed in the concave groove, which is used to prevent the rubber sleeve 120 from being separated from the wrench 100.

Referring again to fig. 1, for ease of engagement with nut 300, clamping post 210 and square post 211 are of square configuration.

The working principle is as follows: the rubber sleeve 120 is held by hands and the wrench 100 is moved, so that the square column 211 is aligned with the square opening at the left end of the nut 300, the first connecting rod 111 and the second connecting rod 112 are held by two hands respectively and rotate clockwise, the combined rod 110 drives the wrench 100 to rotate, the wrench 100 drives the clamping device 200 to rotate, the clamping device 200 drives the nut 300 to rotate through the clamping column 210 and the square column 211, and therefore the workpiece is tightened.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A nut torque tool, characterized by: including spanner (100), clamping device (200) and nut (300), open the left end of spanner (100) has mounting hole (130), install combination bar (110) in mounting hole (130), open the right-hand member of spanner (100) has screw hole (140), rubber sleeve (120) have been cup jointed to the outside of spanner (100), the left end of clamping device (200) pass through the screw thread install in screw hole (140), the right side wall of clamping device (200) is pegged graft and is had clamp post (210), clamping device (200) are open state, the right side wall welded fastening of clamp post (210) has square post (211), nut (300) are located the right-hand member of square post (211), the left end of nut (300) is square structure.

2. A nut torque tool as defined in claim 1, wherein: the utility model discloses a combination pole, including combination pole (110), first connecting rod (111) and second connecting rod (112), the bottom welded fastening of first connecting rod (111) has first spliced pole (113), the top welded fastening of second connecting rod (112) has second spliced pole (114), open at the top of second spliced pole (114) has the through-hole, first spliced pole (113) with the through-hole cooperation at second spliced pole (114) top is connected.

3. A nut torque tool as defined in claim 1, wherein: the outer side wall of the wrench (100) is provided with a concave groove, and the rubber sleeve (120) is arranged in the concave groove.

4. A nut torque tool as defined in claim 1, wherein: the clamping column (210) and the square column (211) are both square structures.