TWI542450B - Separable cross wrench with torque set - Google Patents

Description

Separate cross wrench with torque setting

The present invention relates to a separate type of cross wrench structure for setting a torque value, and more particularly, a quick rotation and torque setting can be achieved only by simple insertion positioning and adjustment setting. The invention of adding and multiplying effects, and being more simple and practical.

For example, in the case of the inventor's national patent No. M296767, the so-called "separate cross wrench" refers to a specific wrench structure that can be used for detachment storage and quick assembly, which is very advantageous for packaging, It is popular among users because it is stored and quickly assembled, and it has various positive effects such as easy application of force and accelerated spin-up. However, the inventor found in the future that if a professional user has the need to set the torque, in order to avoid possible damage to the screw workpiece caused by excessive force, it must be replaced with a so-called "torque" before tightening the screw workpiece. By setting the wrench, the final tightening operation can be completed, which also highlights the shortcomings of the original creation in terms of performance.

Furthermore, as we all know, the so-called "torque setting wrench" (not shown in the figure) refers to a kind of docking design using the working end and the force applying end, and the high-strength friction between the relevant components caused by the strong elastic member makes the wrench When the force reaches the set value, the docking part between the working end and the force applying end will have a significant "falling" phenomenon. At this time, the user will immediately know and stop applying the force, thereby eliminating the possible damage caused by excessive force application. .

However, as of now, in many related product literatures, we can easily find that all the "torque setting wrenches" are mainly based on the F-handle design. In short, there is no similar design to the "cross wrench". Therefore, it does not have the effect of easy and quick rotation, so that the working hours can not be effectively shortened to enhance work efficiency, unless the user can prepare a "cross wrench" and a "torque setting wrench" alternately at any time, and this The process of alternating use is inevitably cumbersome and extremely inconvenient, so it is necessary to be improved.

Therefore, in view of the above facts, the inventors have actively invested in R&D and innovation based on their practical experience in practicing the industry for many years. The present invention was introduced early to benefit the public; therefore, it is mainly The cross wrench is designed as a prototype, and the side effect bar is changed to a special structure for setting the torque. According to the combination of the "separate cross wrench" and the "torque setting wrench", the two are combined. Effectively combining the presentations is the primary purpose of the invention.

Yes, it consists of a main action rod and a torsion setting side-effect rod, wherein one end of the main action rod is a sleeve insertion end, and the other end is provided with a pivoting rotation-assisted handle, and then By thickening the through hole provided in the middle section, the torque is set to insert the side effect rod and form a cross wrench state (ie, as shown in the second and fourth figures); and the torque setting side effect bar includes a spacer ring. The insertion slot of the card slot, an external force bar with a torque setting component, a grip knob, a pushing elastic member, a torque adjustment screw cap and a buckle ring, and the torque adjustment screw cap The function is to adjust the predetermined torque value of the torque setting component by the rotation to achieve the desired torque setting purpose.

10‧‧‧ main action rod

11‧‧‧Sleeve plug end

12‧‧‧Helping handle

13‧‧‧Tongkong

14‧‧‧ Thickened middle section

15‧‧‧Knuckle button assembly

16‧‧‧Threaded hole

17‧‧‧ Positioning bolt

171‧‧‧ leading edge

20‧‧‧Torque setting side effect rod

21‧‧‧Insert inner rod

211‧‧‧ ring card slot

212‧‧‧ pivot end

213‧‧ ‧ pinhole

214‧‧‧ Positioning long slot

22‧‧‧External force

221‧‧‧ Corresponding pin hole

222‧‧‧Axial bore

223‧‧‧Threaded Department

23‧‧‧ Holding the handle

231‧‧‧ internal ratchet ring

24‧‧‧Pushing elastic parts

25‧‧‧Torque adjustment screw cap

251‧‧‧ outer ratchet ring

252‧‧‧ ratchet inner bore

26‧‧‧ buckle

27‧‧‧ latch

40‧‧‧Torque setting component

41‧‧‧Top block

42‧‧‧Powerful top holding parts

43‧‧‧Scale

44‧‧‧Sliding block

441‧‧‧External thread

442‧‧‧Drive ratchet

443‧‧‧Torque adjustment column

45‧‧‧Window

50‧‧‧ sleeve

First Figure: An exploded perspective view of a preferred embodiment of the present invention.

Second drawing: a combined perspective view of the preferred embodiment shown in the first figure.

Third Figure: is another perspective and partial exploded perspective view of the preferred embodiment shown in the first figure.

Fourth Figure: is a perspective view of another combination of the preferred embodiment shown in the first Figure.

Fig. 5 is a schematic view showing a combination and a partial cross-section of a preferred embodiment of the torque setting side effect bar of the present invention.

Fig. 6 is a schematic diagram showing the combination and partial section enlargement of the legend shown in Fig. 5 in the normal position.

Figure 7: A schematic diagram of the combination and partial section enlargement of the position of the adjustable torque setting according to the legend shown in Figure 5.

In order to further understand the technical means and features of the present invention, it is described in detail with a number of schematic diagrams. First, as shown in the first, second, third, and fourth figures, the system includes: a main action rod 10, one end The sleeve insertion end 11 is configured to be screwed to the screw workpiece (not shown) for inserting the corresponding sleeve 50, and the other end is provided with a pivotable rotation assisting handle 12, Furthermore, the central portion is a thickened middle section 14 having a through hole 13 , and a latching button assembly 15 is disposed on the side of the through hole 13 , so as to cooperate with the torque to set the insertion rod 21 of the side effect rod 20 The groove 211 can form a locking or releasing effect. Further, an inner threaded hole 16 is further disposed on the bottom side of the thickened middle portion 14 to lock a positioning pin 17 and the front edge 171 of the positioning pin 17 is slightly extended. In the hole 13, the positioning slot 214 corresponding to the portion corresponding to the inserted inner rod 21 can be positioned (see the third figure); A torque setting side effect rod 20 includes a plug inner rod 21 having a spacer ring slot 211, an outer force rod 22 having a torque setting assembly 40 therein, a grip knob 23, and an pushing elastic member. 24, a torsion adjustment screw cap 25 and a buckle ring 26, wherein the pivoting end 212 of the insertion inner rod 21 has a pin hole 213 for engaging a pin 27 and a corresponding pin hole 221 of the force applying outer rod 22. The two are inserted into the pivoting joint, and the torque is used to adjust the function of the screw cap 25 to adjust the predetermined torque value of the torque setting assembly 40 to achieve the desired torque setting purpose.

Then, please refer to the fifth figure, the torque setting component 40 is hidden in the axial inner hole 222 of the force applying outer rod 22, which includes a pivoting end 212 of the inserted inner rod 21 in sequence. a contact top block 41, a strong top holding member 42, a sliding block 44 having a scale 43, and a plurality of windows 45 disposed on the outer periphery of the biasing outer rod 22, thereby allowing the scale of the scale 43 to be peeked, wherein The sliding block 44 is screwed to the corresponding internal thread portion 223 of the biasing outer rod 22 by the external thread portion 441, and a torsion adjusting column 443 having the driving ratchet 442 is disposed at the open end thereof, so that when sliding When the block 44 is driven and pressed more toward the strong top member 42, the stronger the torque value (i.e., the greater the friction between the top block 41 and the pivoting end 212 of the plug inner rod 21), and vice versa.

As for the method of adjusting the set torque value, as shown in the sixth and seventh figures, since the grip knob 23 is provided with the inner ratchet ring 231 at the inner edge of the end of the torsion adjustment screw cap 25, the torque adjustment rotation is performed. The corresponding portion of the cover 25 is provided with an outer ratchet ring 251, and a ratchet inner hole 252 for driving is provided inside. In the normal state, the pushing elastic member 24 constantly pushes the torque adjusting screw cover 25 outward. The inner and outer ratchet rings 231, 251 of the grip knob 23 and the torsion adjusting screw cap 25 are engaged. At this time, the torque adjusting screw cap 25 cannot be rotated (see the sixth figure), and the torque adjustment is repeated. The cover 25 is pushed toward the grip knob 23 so as to be disengaged from the inner and outer ratchet rings 231, 251. At this time, the ratchet inner bore 252 of the torsion adjusting cap 25 and the driving ratchet 442 of the torsion adjusting column 443. Engagement to mobilize the position of the slider 44 (see seventh Figure), the person who achieves the expected torque value setting.

Looking at the above, the present invention is not only a high-level ideological creation obtained by utilizing natural laws, but also an intangible industrial technology and application category. In addition to not being found in similar articles and related publications in the market, it has already possessed novelty. The practical value and positive benefits of "progress" have been consistent with the requirements for patent applications, and it is reasonable to obtain the protection of the patent law and apply in accordance with the law.

10‧‧‧ main action rod

11‧‧‧Sleeve plug end

12‧‧‧Helping handle

13‧‧‧Tongkong

14‧‧‧ Thickened middle section

15‧‧‧Knuckle button assembly

17‧‧‧ Positioning bolt

171‧‧‧ leading edge

20‧‧‧Torque setting side effect rod

21‧‧‧Insert inner rod

211‧‧‧ ring card slot

212‧‧‧ pivot end

213‧‧ ‧ pinhole

22‧‧‧External force

221‧‧‧ Corresponding pin hole

222‧‧‧Axial bore

23‧‧‧ Holding the handle

231‧‧‧ internal ratchet ring

24‧‧‧Pushing elastic parts

25‧‧‧Torque adjustment screw cap

251‧‧‧ outer ratchet ring

252‧‧‧ ratchet inner bore

26‧‧‧ buckle

27‧‧‧ latch

442‧‧‧Drive ratchet

443‧‧‧Torque adjustment column

45‧‧‧Window

50‧‧‧ sleeve

Claims (3)

A separate type of cross wrench structure capable of setting a torsion force, comprising: a main action rod, one end is a sleeve insertion end, and the other end is provided with a rotation assisting handle, and the central part is a through hole In the thickened middle section, a button press button assembly is arranged on the side of the through hole, and an internally threaded hole is further provided on the bottom side of the thickened middle section, thereby locking a positioning pin and slightly extending the front edge of the positioning pin In the through hole; a torque setting side effect rod includes a plug inner rod with a spacer ring slot, an external force rod with a torque setting component inside, a holding handle, a pushing elastic member, and a torque The adjusting screw cap and a buckle ring are formed, wherein the pivoting end of the plug inner rod has a pin hole, and is used for engaging a pin and a corresponding pin hole of the outer rod to force the two to be connected and pivoted. The bottom of the insertion inner rod is provided with a positioning long groove relative to the positioning bolt portion; by the composition of the above components, the two rods can be inserted into each other to form a cross wrench state, and the torque adjustment screw cap can be used to adjust the torque setting component by the rotation force. The predetermined torque value to achieve the desired torque Its characteristics are given purpose. The structure of the disengageable cross wrench capable of setting the torsion force according to the first aspect of the patent application, wherein the torsion setting component is hidden in the axial inner hole of the outer force bar, which comprises a pivotal connection with the inserted inner rod. a top block for end contact, a strong top holding member, a sliding block having a scale, and a plurality of windows disposed on the outer periphery of the outer rod, wherein the sliding block is corresponding to the outer rod by the external thread portion The internal thread portion is screwed to each other, and a torque adjustment column having a driving ratchet is provided at the open end thereof. A separate type of cross wrench structure capable of setting a torsion force according to the first aspect of the patent application, wherein the grip knob is provided with an inner ratchet ring at an inner edge of the torsion adjustment cap end, and the torsion adjustment cap is provided The corresponding part is provided with an outer ratchet ring, and a ratchet inner hole for driving is provided inside.