TW201722630A - Safety structure of universal pliers having double positioning structure to make the jaws difficult to be released and have a better adjustment effect of jaw and handle - Google Patents

Abstract

This invention relates to a safety structure of universal pliers, comprising a fixed jaw, a movable jaw, a first handle, a second handle, a coupling unit, and an adjustment screw. The fixed jaw and the movable jaw are respectively disposed to the first handle and the second handle and achieve the grip-pressure clamping effect through the coupling unit. The adjustment screw uses screw abutting configuration to control the disposition angle of the coupling unit, so as to achieve double positioning structure to make the jaws difficult to be released and have a better adjustment effect of jaw and handle.

Description

Universal pliers safety structure

The invention relates to a universal pliers safety structure, in particular to a universal pliers having a second repositioning structure, so that when the universal pliers complete the clamp adjustment and the pre-force clamping operation, the second repositioning structure is clamped. The pliers are not easy to loose, and have better grip and grip adjustment

According to the use of universal tongs, there is a closely related and inseparable relationship between the daily life of the engineering personnel. The 10,000-pronged hand tool is used to cut the steel wire, twist the metal pipe, fix the wire, temporarily handle the handle, and pull out Iron nails, iron bolts, multi-purpose jaws, etc.

Please refer to the Republic of China Patent No. M449066 "Universal Pliers with Multi-Functional Control Buttons", having a fixed clamp, including a first handle, and a fixed jaw portion connected to one end of the first handle; The clamp includes a second handle that is opened and closed with respect to the first handle of the fixed clamp, and a pair of movable jaws that are disposed by the fixed jaw and are respectively pivotally connected between the second handle and the fixed clamp The movable jaw portion is engaged with the fixed jaw portion by the linkage of the second handle; a locking unit includes a second handle pivotally connected to the movable clamp and extending to the fixed clamp a first handle terminates at a free end limit body; and an adjustment unit includes a screw threaded to the first handle of the fixed clamp and a free end of the limiting body of the locking unit abuts And an adjustment knob disposed opposite to the free end and coupled to the screw, the adjustment knob having a main operating body coupled to the screw, the main operating body having an upper and lower ring spaced apart from each other The edge defines the outer peripheral surface, and a groove portion located between the upper and lower ring edges and recessed on the outer peripheral surface.

The above-mentioned creation is a kind of universal universal pliers, which can achieve multiple purposes such as cutting steel wire, twisting metal round pipe, fixing iron wire, temporary handle, pulling out nails, iron bolts, etc.; When working, there are still some shortcomings. Because the universal clamp is fixed, the two clamp arms have a false positioning effect through the pivoting force. When the clamp arm is to be released, only the dial is required. The release lever between the two grips can make the pivot rod reversely urged; however, the pseudo positioning effect is achieved by the pivot angle of the pivot rod, and the stability is not sufficient, and when it is collided or dropped, it is easy to cause The clamping arm that completes the positioning is loose. In addition, the opening and closing distance between the grip and the jaw of the universal pliers is adjusted only by a single screw, and the effect is not obvious. When applied to small object holding work, the grip is too long. Spacing and clamp spacing are not conducive to operation.

In view of this, the present inventors have intensively discussed the above-mentioned conventional creation problems, and actively pursued solutions through years of experience in research and development and manufacturing of related industries. After long-term efforts in research and development, the present invention has finally succeeded in developing the present invention. "Universal forceps safety structure" to improve the problem of custom creation.

The invention relates to a universal pliers safety structure, in particular to a universal pliers having a second repositioning structure, so that when the universal pliers complete the clamp adjustment and the pre-force clamping operation, the second repositioning structure is clamped. The pliers are not easy to loosen and have better grip and grip adjustment.

In order to achieve the foregoing creative purpose, the "universal forceps safety structure" of the present invention includes a fixed clamp, a movable clamp, a first handle, a second handle, a linkage unit and an adjustment screw. The clamp is disposed at one end of the first grip, the inner side of the movable clamp is pivotally disposed on the inner side of the fixed clamp, and the outer side of the same end is pivotally disposed on the second handle, and the first handle and the second handle are opposite sides Each of the interlocking units comprises a spring, a connecting rod, a bolt rod and a release lever, the spring end is disposed on the inner side of the first handle, and the other end is disposed on the movable clamp Between the pivoting portions, one end of the connecting rod is pivotally disposed on the inner side of the second handle, and the other end is inserted into the inner side of the first handle, and an end surface of the connecting rod protrudes with an arc end edge, the bolt The rod lock is disposed at the end edge of the first grip, and one end of the bolt rod is abutted against the end edge of the connecting rod, the release lever is pivoted on the inner side of the second grip, and one end is for the end of the arc The pressure type corresponds to the end edge of the arc, and the link is pivotally disposed at the inner surface of the second handle One end of derivation, the adjusting screw is screwed to the second line at the outside handle, and one end of the adjusting screw abutting on the end of derivation; In this way, the distance between the clamp of the fixed clamp and the movable clamp is controlled by the linkage unit, and when the fixed clamp and the movable clamp are clamped to the working object, the first grip and the second grip are continuously pressed, and the connecting rod is obtained. An offsetting and pressing effect is generated between the pivoting portion of the second grip and the movable clamp to achieve a false clamping effect, and the end of the release lever is pressed by the end of the curved end, and continues to rotate. The screw is adjusted to be pressed against the deriving end of the connecting rod, so that the application of the reverse releasing lever of the release lever can be achieved, so that the fixing effect of the fixed clamp and the movable clamp is not caused by the accidental release of the release lever. Or the pliers are dropped and loosened; in addition, the inclination angle of the connecting rod can be changed by adjusting the degree of the screw and the pushing end abutting, thereby changing the opening and closing distance between the first grip and the second grip. , and the spacing between the fixed clamp and the movable clamp.

The fixed clamp and the movable clamp respectively form a corresponding meshing tooth and a cutting edge on the opposite surface.

It can be seen from the above-mentioned creations that the "universal forceps safety structure" of the present invention can overcome the shortcomings of the conventional universal forceps and the two clamps having insufficient stability during the clamping, and can use the pseudo-pressure to achieve the pseudo-positioning. The adjusting screw is further fixed, so as to prevent the universal clamp from being accidentally touched or the clamp falling, thereby causing the clamping effect to be loose. In addition, by adjusting the depth of the adjusting screw relative to the second grip, the inclination angle of the connecting rod is changed. Linking the opening and closing distance between the first grip and the second grip, and the spacing between the fixed clamp and the movable clamp, so as to meet the working requirements of different object sizes; therefore, the invention can be said to be a kind Quite a practical and progressive creation, it is worthy of promotion by the industry and publicity to the public.

1‧‧‧Fixed clamp

11‧‧‧Meshing teeth

12‧‧‧ cutting blade

2‧‧‧Active clamp

21‧‧‧Meshing teeth

22‧‧‧ cutting blade

3‧‧‧First grip

4‧‧‧second grip

5‧‧‧ linkage unit

51‧‧‧ Spring

52‧‧‧ linkage

521‧‧‧Arc edge

522‧‧‧Derivation

53‧‧‧ bolt rod

54‧‧‧ release lever

6‧‧‧Adjusting screw

The first figure is a perspective exploded view of the universal clamp safety structure of the present invention.

The second figure is a schematic view of the three-dimensional appearance of the universal clamp safety structure of the present invention.

The third figure is a schematic diagram of the implementation of the clamped work article of the present invention.

The fourth figure is a partial cross-sectional view of the third figure.

The fifth and sixth figures are schematic cross-sectional views of the present invention for changing the inclination angle of the connecting rod by adjusting the screw.

The invention relates to a universal pliers safety structure, in particular to a universal pliers having a second repositioning structure, so that when the universal pliers complete the clamp adjustment and the pre-force clamping operation, the second repositioning structure is clamped. The clamp is not easy to loose, and has better clamping and grip adjustment effects. Please refer to the first figure to the sixth figure. The "universal forceps safety structure" of the present invention includes a fixed clamp 1 and a movable clamp. Pliers 2, a first grip 3, a second grip 4, a linkage unit 5 and a The fixing clamp 1 is disposed at one end of the first grip 3, and the inner side of the movable clamp 2 is pivotally disposed on the inner side of the fixed clamp 1 , and the outer side of the same end is pivotally disposed on the second grip 4 . The opposite sides of the first handle 3 and the second handle 4 are each in a hollow state. The linkage unit 5 includes a spring 51, a link 52, a bolt rod 53 and a release lever 54. The spring One end of the 51 is disposed on the inner side of the first handle 3, and the other end is disposed between the two pivoting portions of the movable clamp 2, and one end of the connecting rod 52 is pivotally disposed on the inner side of the second grip 4, and the other end is inserted The inner side of the first handle 3 has an arc end edge 521 protruding from the end surface of the connecting rod 52. The bolt rod 53 is locked at the end edge of the first grip 3, and one end of the bolt rod 53 is fastened. The release lever 54 is pivotally disposed on the inner side of the second handle 4, and one end is provided with an arcuate end edge 521 pressing shape corresponding to the curved end edge 521, the link 52 A guiding end 522 is formed on the inner surface of the second handle 4, and the adjusting screw 6 is screwed on the outer side of the second handle 4, and one end of the adjusting screw 6 is abutted against the deriving end 522. The adjusting screw 6 is configured to use a pair of locking screws with a wide diameter section at both ends, so that the adjusting screw 6 can be prevented from falling off when rotated. Thus, the locking clamp 1 and the movable clamp can be controlled by the linkage unit 5. The clamping distance of the clamp 2, when the fixed clamp 1 and the movable clamp 2 are clamped to the working object, the first grip 3 and the second grip 4 are continuously pressed, and the connecting rod 52 and the second grip 4 are pivoted. The position is offset and forced to make the fixed clamp 1 and the movable clamp 2 achieve the false clamping effect, and the end of the release lever 54 is pressed by the curved end edge 5214 (this part is a universal versatile The common technique of the pliers) continues to rotate the adjusting screw 6 against the deriving end 522 of the connecting rod 52, so as to achieve the application of the reverse releasing lever 54 to reversely slide the connecting rod 52, so that the fixed clamp and the movable clamp The clamping effect is not loosened by accidentally touching the release lever or the clamp is dropped (as shown in the third and fourth figures); in addition, the degree of the screw 6 and the deriving end 522 can be adjusted. To change the inclination angle of the connecting rod 52, thereby changing the opening and closing distance of the two grips of the first grip 3 and the second grip 4, and fixing the clamp 1 and The clamping distance between the movable clamp 2 and the two clamps (as shown in the fifth and sixth figures).

Further, the fixed clamp 1 and the movable clamp 2 respectively form a corresponding meshing tooth 11 and 21 and cutting edges 12 and 22 on the opposite surface; thus, the clamping and shearing effects of the universal clamp can be enhanced.

It can be seen from the above-mentioned creation content that the "universal forceps safety structure" of the present invention can overcome the habit The utility model has the disadvantages that the two clamps have insufficient stability during the clamping, and the pseudo-position obtained by the pivoting pressing can be further fixed by an adjusting screw 6 to prevent the universal clamp from being accidentally touched or clamped. With the drop, the clamping effect is loosened. In addition, by adjusting the locking screw 6 relative to the locking depth of the second handle 4, the inclination angle of the connecting rod 52 is changed to interlock the first grip 3 and the second grip 4. The opening and closing distance of the handle, and the spacing between the fixed clamp 1 and the movable clamp 2 to meet the working requirements of different object sizes.

The above description is only for the purpose of explaining the preferred embodiments of the present invention, and is not intended to limit the invention in any way, so that any modification of the invention may be made in the spirit of the same invention. The changer, if it is otherwise applicable, and has the same effect, should still be included in the scope of the intention of the present invention.

In summary, the "universal forceps safety structure" of the present invention is practical in terms of structural design and practical use, and the disclosed structural invention has an unprecedented innovative structure, so it has "novelty". It should be undoubtedly considered that the present invention can be more effective than the conventional structure, and therefore has "progressiveness", which fully complies with the provisions of the invention patent application related to the Patent Law of China, and therefore, submits a patent application to the bureau in accordance with the law. I would like to ask the bureau to give the patent right in this case as soon as possible.

1‧‧‧Fixed clamp

11‧‧‧Meshing teeth

12‧‧‧ cutting blade

2‧‧‧Active clamp

21‧‧‧Meshing teeth

22‧‧‧ cutting blade

3‧‧‧First grip

4‧‧‧second grip

5‧‧‧ linkage unit

51‧‧‧ Spring

52‧‧‧ linkage

521‧‧‧Arc edge

522‧‧‧Derivation

53‧‧‧ bolt rod

54‧‧‧ release lever

6‧‧‧Adjusting screw

Claims (2)

A universal clamp safety structure includes a fixed clamp, a movable clamp, a first handle, a second handle, a linkage unit and an adjustment screw, wherein the fixed clamp is disposed on the first grip One end of the handle, one end of the movable clamp is pivoted on the inner side of the fixed clamp, and the outer side of the same end is pivotally disposed on the second handle, and the opposite sides of the first handle and the second handle are respectively hollowed out. The linkage unit includes a spring, a connecting rod, a bolt rod and a release lever. The spring end is disposed on the inner side of the first handle, and the other end is disposed between the two pivoting portions of the movable clamp. One end of the connecting rod is pivotally disposed on the inner side of the second grip, and the other end is inserted into the inner side of the first grip, and an end surface of the connecting rod protrudes from an arc end edge, and the bolt rod is locked at the first end. At the end edge of the handle, and one end of the bolt rod is abutted against the end edge of the connecting rod, the release lever is pivoted on the inner side of the second handle, and one end is provided with an arc end edge pressing type corresponding to the arc a curved end edge, the connecting rod is pivotally disposed on the inner surface of the second handle to form a deriving end, the adjusting screw Spiro-based second handle disposed at the outer side, and one end of the adjustment screw abut against the end of derivation. The universal pliers safety structure according to claim 1, wherein the fixed clamp and the movable clamp respectively form a corresponding meshing tooth and a cutting edge on the opposite surface.