TWM580495U - A torque wrench - Google Patents

Abstract

The present invention relates to a torsion sleeve comprising: a cylinder, a clutch assembly, a torque adjustment mechanism and a drive member. The torque adjustment mechanism can change the preset torque value, and the clutch assembly can realize the torque trip, thereby allowing the driving member to rotate a to-be-turned object under the safe torque value.

Description

Torque sleeve

This creation is related to the sleeve, in particular to a torsion sleeve.

When turning the locking screw or the nut such as the nut, the user often exerts excessive force or excessive tightening, which causes the thread of the screwing section to collapse (ie, collapse), and more severely, the components connected to each other. The structure is deformed due to excessive stress. Therefore, the operator developed a torsion sleeve to solve the above problem. The conventional torque sleeve includes a first sleeve member, a second sleeve member axially displaceable relative to the first sleeve member, and a transmission core. a shaft, a passive mandrel, a lining bushing, a compression spring and two thrust bearings, the transmission mandrel penetrating the first sleeve member; the passive mandrel and the lining bushing are engageable with each other, The transmission spindle can be synchronously rotated with the lining sleeve, and the two thrust bearings are respectively disposed on the first sleeve member and the second sleeve member, and the compression spring is biased against one of the thrust bearing and the lining Between the bushings.

However, the above-mentioned conventional torsion sleeve has a large number of components, which leads to an assembly that is difficult and time consuming, and which has a large volume and is not easy to carry and use. Therefore, there is a drawback that needs to be improved.

Therefore, it is necessary to provide a novel and progressive torsion sleeve to solve the above problems.

The main purpose of the present invention is to provide a torsion sleeve which is simple in structure, convenient in assembly and fast, and has the advantages of being small in size and easy to carry.

To achieve the above object, the present invention provides a torsion sleeve comprising: a cylinder, a clutch assembly, a torque adjustment mechanism and a drive member. The cylinder assembly has a hole; the clutch assembly includes a first clamping member, a second clamping member, at least one connecting member and a set of rings, the first clamping member and the second clamping member The second clamping member is coupled to the second clamping member, and the first clamping member is relatively movable to abut against the second clamping member. The ring sleeve is sleeved on the cylinder body to press against the at least one connecting member; the torque adjusting mechanism includes an adjusting member and an elastic member, the adjusting member is movably positioned on the cylinder body, and the elastic member is disposed on the sleeve a card member and the adjusting member, such that the first card member has a tendency to move toward the second card member; the driving member includes a connecting portion and a connecting portion, and the linking portion The portion is coupled to a to-be-rotated object, and the connecting portion is rotatably passed through the second clamping member to be fixed to the first clamping member in a co-moving relationship.

The following is a description of possible implementations of the present invention by way of example only, and is not intended to limit the scope of the creation of the present invention.

Referring to FIG. 1 to FIG. 3, an embodiment of the present invention is shown. The torque sleeve of the present invention comprises: a cylinder 1, a clutch assembly 2, a torque adjustment mechanism 3 and a driving member 4.

The cylinder 1 is surrounded by a hole 11; the clutch assembly 2 includes a first clamping member 21, a second clamping member 22, at least one connecting member 23 and a set of rings 24, and the first clamping member 21 The second clamping member 22 is disposed in the receiving hole 11 , and the at least one connecting member 23 is coupled to the tubular body 1 to position the second clamping member 22 . The first clamping member 21 is opposite to the second clamping member 21 . The second clamping member 22 is operatively abutted, and the collar 24 is sleeved on the tubular body 1 to press and restrain the at least one connecting member 23. In this embodiment, the collar 24 is tightly fitted to the tubular body 1 , and the collar 24 can be further pressed against the at least one connecting member 23 to lift and the second clamping member 22 . The combination of the tightness, so that the second clamping member 22 can effectively resist the torque and can be stably positioned on the sleeve. At the same time, the collar 24 further has the effect of protecting the at least one connecting member 23, so that the foreign object cannot touch the at least one connecting member 23, and the bonding stability of the second engaging member 22 is ensured.

The torsion adjusting mechanism 3 includes an adjusting member 31 and an elastic member 32. The adjusting member 31 is movably positioned on the cylindrical body 1. The elastic member 32 is disposed between the first engaging member 21 and the adjusting member 31. In order that the first clamping member 21 normally has a tendency to move toward the second clamping member 22. In this embodiment, the elastic member 32 is a compression spring, and in other different embodiments, other elastic bodies may be used to provide elastic thrust.

The driving member 4 includes a linking portion 41 and a connecting portion 42. The linking portion 41 is coupled to a to-be-turned object 5 (eg, a screwdriver head). The connecting portion 42 is rotatably inserted through the first portion. The two clamping members 22 are fixed in the same movable relationship with the first clamping member 21.

When the object to be rotated 5 is to be locked, the driving member 4 and the object to be rotated 5 are first combined with each other, and then the barrel 1 is rotated. It can be understood that a power tool (such as a pneumatic tool or a power tool) can be used in combination. Or hand tools) to drive. During the rotation of the cylinder 1, the second clamping member 22 drives the first clamping member 21 to rotate together, thereby driving the driving member 4 to rotate synchronously, and when rotating to a predetermined torque value, the first The axial force generated between the clamping member 21 and the second clamping member 22 is greater than the thrust of the elastic member 32, such that the first clamping member 21 compresses the elastic member 32 away from the second clamping member. The piece 22 is idling, thereby ensuring that the object 5 to be rotated is not damaged by excessive torque.

Further, the at least one connecting member 23 is a pin member, and the at least one connecting member 23 passes through the second engaging member 22 and the cylindrical body 1 so that the overall assembly can be faster and more convenient. Preferably, the number of the at least one connecting member 23 is plural to improve the positioning stability of the second clamping member 22, wherein at least two of the connecting members 23 are preferably symmetrically disposed on the opposite side of the cylindrical body 1. On both sides, the supporting force can be uniformly supplied to the second clamping member 22.

Furthermore, the first engaging member 21 is provided with a first engaging portion 211, and the second engaging member 22 is provided with a second engaging portion 221 that meshes with the first engaging portion 211. The first engaging portion 211 is composed of a plurality of first one-way teeth 212, and the second meshing portion 221 is composed of a plurality of second one-way teeth 222, and the plurality of first one-way teeth 212 and the plurality of teeth The two one-way teeth 222 are meshed with each other to achieve the purpose of relative rotation of the skip teeth and the same rotation. Of course, in other embodiments, the first card member and the second card member may be replaced by a ball click.

In addition, in the embodiment, the first engaging member 21 and the connecting portion 42 are connected by a plurality of coupling members 25, so that the first engaging member 21 and the driving member 4 are formed into a member. In more detail, the plurality of coupling members 25 are screwed through the first clamping member 21 and penetrate the connecting portion 42 to achieve the above purpose. Similarly, it is not limited to the above combination manner. In other embodiments, the center of the first card member may be designed to have a non-circular hole, and the connecting segment is a non-circular rod corresponding to its shape, such as a polygonal structure and an ellipse. The structure, the ratchet structure and the like are combined with each other to form a synchronous structure.

Preferably, the linking portion 41 is located in the hole 11 and does not protrude from the barrel 1 to avoid impact or interference of foreign objects. Moreover, the linking portion 41 is normally spaced apart from the second engaging member 22 by a predetermined distance to meet the required moving distance of the skipping teeth.

It is to be noted that one of the adjusting member 31 and the tubular body 1 is provided with an internal thread segment, and the other is provided with an external thread segment, so that the adjusting member 31 is movably screwed to the tubular body 1 . The screwing method is convenient for the user to quickly adjust the use.

In the embodiment, the cylinder 1 further includes a driving portion 12. For example, but not limited to, the driving portion 12 has a polygonal outer contour, and the driving portion 12 can be combined with the power tool. The driving portion 12 is provided with a screw hole 121 that communicates with the hole 11 . The adjusting member 31 includes a screw 311 and an abutting portion 312 . The screw 311 is screwed to the screw hole 121 . The abutting portion 312 is received in the hole 11 , and the elastic member 32 is interposed between the abutting portion 312 and the first clamping member 21 .

More specifically, the abutting portion 312 has a circular plate shape, and can uniformly abut one end of the elastic member 32 to make the elastic member 32 have a uniform force, wherein the abutting portion 312 has a radial dimension smaller than that. The radial dimension of the first clamping member 21. More specifically, the screw 311 is provided with a joint portion 313 opposite to the end of the abutting portion 312. The joint portion 313 is coupled to and driven by a tool to be rotatable relative to the barrel 1, for example but not limited to The joint portion 313 is disposed in the polygonal hole of the screw 311. The user can insert the screw hole 121 into the screw hole 121 and insert the screw into the joint portion 313, and then rotate the adjuster 31 to change the preset of the jump. Torque value.

In summary, the torque sleeve of the present invention has an assembly configuration that is simple and easy to understand and fast, and can be pressed against the limit by the collar to clamp the connector, thereby reliably positioning the second component. It is not easy to shake, greatly improving the ability to resist torque, and at the same time providing a reference for the tooth skipping when the first card member can rotate relative to each other or reach a preset torque. Moreover, the collar can protect the connecting member from foreign objects and ensure the stability of the joint of the connecting member, the sleeve and the second clamping member.

1‧‧‧Cylinder

11‧‧‧ Holes

12‧‧‧ Drive Department

121‧‧‧ screw holes

2‧‧‧Clutch components

21‧‧‧First card parts

211‧‧‧First meshing section

212‧‧‧First one-way tooth

22‧‧‧Second card parts

221‧‧‧Second joint

222‧‧‧second one-way tooth

23‧‧‧Connecting parts

24‧‧‧ collar

25‧‧‧Connected parts

3‧‧‧Torque adjustment mechanism

31‧‧‧Adjustment

311‧‧‧ screw

312‧‧‧Affiliation

313‧‧‧Combination Department

32‧‧‧Flexible parts

4‧‧‧ Drives

41‧‧‧ linkage department

42‧‧‧ Connection section

5‧‧‧ to be rotated

1 is an exploded perspective view of an embodiment of the present invention.  Figure 2 is a side cross-sectional view of Figure 1.  Fig. 3 is a view showing the state of use of an embodiment of the present invention.  

Claims (10)

A torque sleeve includes: a cylinder body having a bore; a clutch assembly comprising a first card member, a second card member, at least one connector member and a set of rings, the first card member And the second clamping member is disposed in the hole, and the at least one connecting member is coupled to the tubular body to position the second clamping member, and the first clamping member is relatively movable to abut The second clamping member is sleeved on the cylinder body to press against the at least one connecting member; a torque adjusting mechanism includes an adjusting member and an elastic member, the adjusting member is movably positioned on the a cylinder, the elastic member is disposed between the first clamping member and the adjusting member, so that the first clamping member normally has a tendency to move toward the second clamping member; and a driving member includes a connection a linking portion and a connecting portion, the linking portion is coupled to a to-be-turned object, and the connecting portion is rotatably passed through the second clamping member to be fixed to the first clamping member Dynamic relationship. The torsion sleeve of claim 1, wherein the first engaging member is provided with a first engaging portion, and the second engaging member is provided with a second engaging portion that engages with the first engaging portion. The torsion sleeve of claim 1, wherein the at least one connecting member is a pin member, and the at least one connecting member passes through the second engaging member and the barrel. The torsion sleeve according to claim 1, wherein the number of the at least one connecting member is plural, and at least two of the connecting members are symmetrically disposed on opposite sides of the tubular body. The torsion sleeve of claim 1, wherein the plurality of coupling members are threaded to join the first clamping member and the connecting portion. The torsion sleeve of claim 1, wherein one of the adjusting member and the barrel is provided The female threaded section and the other are provided with externally threaded sections to movably couple the adjusting member to the tubular body. The torsion sleeve of claim 6, wherein the cylinder further comprises a driving portion, the driving portion is provided with a screw hole communicating with the hole, the adjusting member comprises a screw connected to the hole and abutting The screw is screwed to the screw hole, and the abutting portion is received in the hole, and the elastic member is interposed between the abutting portion and the first clamping member. The torsion sleeve of claim 7, wherein the screw is provided with a joint portion with respect to one end of the abutting portion, the joint portion being coupled to and driven by the tool to be rotatable relative to the barrel. The torsion sleeve of any one of claims 1 to 8, wherein the linkage portion is located within the bore and does not protrude from the barrel. The torsion sleeve of claim 8, wherein the first engaging member is provided with a first engaging portion, and the second engaging member is provided with a second engaging portion that meshes with the first engaging portion; the at least one The connecting member is a pin member, the at least one connecting member is disposed through the second engaging member and the cylindrical body; the number of the at least one connecting member is plural, and at least two of the connecting members are symmetrically disposed on the opposite side of the tubular body a plurality of coupling members are connected to the first clamping member and the connecting portion; the linking portion is located in the receiving hole and does not protrude from the cylindrical body; the linking portion is normally spaced from the second clamping member a predetermined distance; the first meshing portion is formed by a plurality of first one-way teeth, and the second meshing portion is formed by a plurality of second one-way teeth, the plurality of first one-way teeth and the plurality of second one-way teeth The teeth are meshed with each other; the outer contour of the driving portion is polygonal; the joint is disposed in the polygonal hole of the screw; the abutting portion has a circular plate shape, and the radial dimension of the abutting portion is smaller than the first The radial dimensions of the card.