TWI523738B - Universal clamp structure - Google Patents

Description

Universal clamp structure

The utility model relates to a universal clamp structure, in particular to a universal clamp for adjusting the working jaw clamp arm, and the universal clamp two clamp arms are pivotally arranged at a pivot point relative to each other, which can effectively raise the relative clamping force of the working end clamp arm. The precision of the time can also avoid the misalignment of the forearm of the working end due to the combination, so that the cutting structure is sharper.

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 department is a 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.; however, it is actually applied to cutting. When working, there are still some shortcomings, because the fixed clamp and the movable clamp are respectively set at The different handles are pivoted through the two handles to be indirectly linked. Therefore, the cutting faces of the fixed clamp and the movable clamp are not easy to be accurately aligned, and the offset is misplaced, which increases the difficulty in cutting. .

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 clamp structure" to improve the problem of custom creation.

The utility model relates to a universal clamp structure, in particular to a universal clamp for adjusting the working jaw clamp arm, and the universal clamp two clamp arms are pivotally arranged at a pivot point relative to each other, which can effectively raise the relative clamping force of the working end clamp arm. The precision of the time and the offset of the working end clamp arm are prevented, so that the cutting structure is sharper.

In order to achieve the foregoing creative purpose, the "universal tong structure" of the present invention includes a first grip bar, a second grip bar, a first caliper arm, a second caliper arm and an adjustment component, the first pliers The armrest is fixedly disposed at one end of the first gripping rod, the first caliper arm is formed with a first pivoting hole, the second caliper arm is pivotally disposed at one end of the second gripping rod, and the second caliper arm is extended at one end a shank portion having a first pivot hole portion formed with the first caliper arm, and the shank portion is formed with a second pivot hole coaxially disposed with the first pivot hole; the first caliper arm And the second clamping arm corresponding surface is formed with a first cutting blade surface and a second cutting blade surface, and the adjusting component is disposed between the first gripping bar and the second gripping bar, and is finely adjusted. The distance between the handle bar and the second handle bar is changed to change the size of the opening of the first caliper arm and the second caliper arm; thus, the first caliper arm and the second caliper arm have overlapping portions of each other, Effectively reducing the tolerance when the first caliper arm and the second caliper arm are engaged to further improve the first cutting blade surface and the second cutting blade facing position Accuracy.

The adjusting component comprises a spring, an adjusting screw, a connecting rod and a releasing rod, the spring end is hooked on the bottom edge of the second clamping arm, and is pivoted between the first clamping arm and the second a portion of the grip rod, the other end of which is deep into the inner edge of the first grip rod and is hooked at the middle portion thereof, the one end of the linkage rod is pivotally disposed at the inner edge of the second grip rod, and the other end is inserted into the first portion The inner edge of the second grip rod is near the bottom portion, and the adjusting screw is screwed on the bottom of the first grip rod, and is screwed to push the interlocking rod type, and the middle portion of the interlocking rod is attached to the second grip One side of the rod is formed with a deriving rib, which The release lever is pivotally disposed on the inner edge of the second grip bar, and the end portion is configured to be urged by the push rib to be pivoted at the other end.

It can be seen from the foregoing creations that the first tong arm and the second caliper arm of the universal tongs structure of the present invention are coaxially arranged with each other, and the invention has a relatively accurate clamping effect compared with the non-coaxial arrangement of the tong arm of the conventional universal tong. It should be suitable for the two-clamp arm with the cutting blade surface style, for example, the single-sided cutting edge, the double-sided cutting edge and the single-sided cutting edge with the plane combination, etc., in order to benefit each other The sharp cutting surface can obtain better alignment and can effectively improve the cutting effect; therefore, the invention can be said to be a practical and progressive creation, which is worthy of promotion by the industry and publicity to the society. public.

1‧‧‧First grip bar

2‧‧‧Second grip

3‧‧‧First clamp arm

31‧‧‧First pivot hole

32‧‧‧First cutting blade

4‧‧‧ second clamp arm

41‧‧‧Pivot

42‧‧‧Second pivot hole

43‧‧‧Second cutting blade

5‧‧‧Adjusting components

51‧‧‧ Spring

52‧‧‧Adjusting screw

53‧‧‧ linkage rods

531‧‧‧Derivation of ribs

54‧‧‧ release lever

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

The second figure is a perspective view showing the appearance of the universal tongs structure of the present invention.

The third and fourth figures are schematic views showing the implementation of the rotation adjusting screw of the present invention to adjust the opening size of the caliper arm.

The fifth figure is a schematic diagram of the second pivoting configuration of the first grip bar, the first caliper arm and the second caliper arm of the present invention.

The sixth figure is a schematic diagram of a third pivotal configuration of the first grip bar, the first caliper arm and the second caliper arm of the present invention.

The seventh figure is a schematic diagram of the fourth pivotal configuration of the first grip bar, the first caliper arm and the second caliper arm of the present invention.

The utility model relates to a universal clamp structure, in particular to a universal clamp for adjusting the working jaw clamp arm, and the universal clamp two clamp arms are pivotally arranged at a pivot point relative to each other, which can effectively raise the relative clamping force of the working end clamp arm. The accuracy of the time is so sharp that the cutting structure is sharper. Referring to the first to fourth figures, the "universal forceps structure" of the present invention includes a first handle bar 1 and a second handle. a rod 2, a first caliper arm 3, a second caliper arm 4 and an adjustment assembly 5; the first caliper arm 3 is fixedly disposed at one end of the first grip rod 1, and the first caliper arm 3 is formed with a first a pivoting hole 31, the second clamping arm 4 is pivotally disposed at one end of the second gripping rod 2, and the second clamping arm 4 One end of the shank portion 41 is formed with a first pivot hole 31 and a first pivot hole 31. The pivoting portion 41 is formed with a second pivot pivotally disposed with the first pivot hole 31. The first clamping arm 3 and the second clamping arm 4 are respectively formed with a first cutting blade surface 32 and a second cutting blade surface 43. The adjusting component 5 is disposed on the first grip. Between the shank 1 and the second handle bar 2, and the pitch of the first grip bar 1 and the second grip bar 2 are finely adjusted to change the opening size of the first caliper arm 3 and the second caliper arm 4; The first caliper arm 3 and the second caliper arm 4 have overlapping portions that are overlapped with each other, so that the tolerance of the first caliper arm 3 and the second caliper arm 4 during engagement can be effectively reduced to further improve the first cutting blade surface 32. And the accuracy of the second cutting blade face 43 when aligned.

Further, the adjusting component 5 includes a spring 51, an adjusting screw 52, and a linkage a rod member 53 and a release lever member 54. The spring 51 is hooked at one end of the second caliper arm 4 and is disposed between the first caliper arm 3 and the second grip rod 4 at the other end. The inner edge of the first grip bar 1 is deepened and hooked to the middle portion thereof. One end of the interlocking rod member 53 is pivotally disposed at the inner edge of the second grip rod 2, and the other end is inserted into the second grip rod 2 The adjusting screw 52 is screwed to the bottom of the first gripping rod 1 and is screwed to the interlocking rod 53 type. The intermediate section of the linking rod 53 is attached to the second grip. One side of the rod 2 is formed with a deriving rib 531. The release rod member 54 is pivotally disposed on the inner edge of the second grip rod 2, and has one end that is urged by the deriving rib 531 to be pivoted at the other end.

As shown in the third and fourth figures, when adjusting the opening size of the first and second caliper arms 4, the present invention only needs to screw the adjusting screw 52 to control the pushing or releasing of the interlocking member 53. The position can be achieved, for example, when the adjusting screw 52 is forced to one side of the linking rod 53 , the linking rod 53 can push the second gripping rod 2 and the second clamping arm 4 to pivot relative to the first clamping arm 3 ( At this time, the spring 51) is pulled to clamp the first caliper arm 3 and the second caliper arm 4 (as in the third embodiment); when the adjusting screw 52 is released from the reverse linkage member 53, The spring 51 pulls the second grip bar 2 and the second caliper arm 4 to pivot relative to the first caliper arm 3 to open the first caliper arm 3 and the second caliper arm 4 (as shown in the fourth figure) Aspect).

In addition, pressing the first grip bar 1 and the second grip bar 2 to position the yaw linkage rod 53 and the second grip rod 2 to achieve the effect of clamping the object of the clamp and clamping the object After that, the push rib 531 is pushed backward by the release lever 54 to release the clamping effect, which is a conventional universal clamp technique. Forgive me for not repeating this, and we will first explain it.

In addition, it is worth mentioning that the first pivot hole 31 and the second pivot hole 42 of the embodiment of the present invention The first clamping arm 3 is coaxially disposed on the first gripping rod 1 through the rivet; however, the first clamping arm 3 is also fixed to the first gripping rod 1 through the two rivets, and thus can also be designed as the first pivoting hole 31 and the second pivot hole 42 are riveted in advance, and the first clamp arm 3 is continuously locked to the first handle bar 1 , so that the first handle bar 1 can be reduced by a riveting point, so as to be aesthetically pleasing (for example, The five figures are shown; similarly, it can be designed as an embodiment type as shown in the sixth or seventh figure.

It can be seen from the foregoing creative content that the first caliper arm 3 and the second caliper arm 4 of the universal tongs structure of the present invention are coaxially arranged with each other, and the invention has a relatively accurate clamping compared with the non-coaxial arrangement of the tong arm of the conventional universal tongs. The effect is to prevent the offset from being misaligned. It should be applied to the styles in which the two clamp arms have the cutting blade surface, so that the sharp cutting blades can obtain better alignment and can effectively improve the cutting effect; The foregoing is only a preferred embodiment of the present invention, and is not intended to be construed as limiting the scope of the invention. All other aspects that can be implemented and have the same effect are still included in the scope of the present invention.

In summary, the "universal tong 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‧‧‧First grip bar

2‧‧‧Second grip

3‧‧‧First clamp arm

31‧‧‧First pivot hole

32‧‧‧First cutting blade

4‧‧‧ second clamp arm

41‧‧‧Pivot

42‧‧‧Second pivot hole

43‧‧‧Second cutting blade

5‧‧‧Adjusting components

51‧‧‧ Spring

52‧‧‧Adjusting screw

53‧‧‧ linkage rods

531‧‧‧Derivation of ribs

54‧‧‧ release lever

Claims (2)

A universal tong structure includes a first grip bar, a second grip bar, a first caliper arm, a second caliper arm and an adjustment assembly, wherein the first caliper arm is fixedly disposed on the first One end of the handle bar, the first caliper arm is formed with a first pivot hole, the second caliper arm is pivotally disposed at one end of the second handle bar, and the second caliper arm extends at one end with the first caliper arm Forming a pivoting portion with a first pivoting hole portion overlapping, and the pivoting handle portion is formed with a second pivoting hole coaxially disposed with the first pivoting hole; the first clamp arm and the second clamp arm corresponding to Forming a first cutting blade surface and a second cutting blade surface, and the adjusting component is disposed between the first grip bar and the second grip bar, and fine-tuning the first grip bar and the first The distance between the two grip bars is to change the opening size of the first caliper arm and the second caliper arm. According to the universal clamp structure of claim 1, the adjustment component comprises a spring, an adjusting screw, a linkage rod and a release lever, and the spring end is hooked on the bottom edge of the second clamp arm, and The other end of the linkage rod is disposed at the inner portion of the first clamp arm and the second grip rod, and the other end is deep into the inner edge of the first grip rod and is hooked at the middle portion thereof. The inner end of the rod is inserted at the bottom portion of the inner edge of the second grip rod, and the adjusting screw is screwed on the bottom of the first grip rod, and is screwed to push the interlocking rod type. The intermediate portion of the interlocking rod member has a deriving rib formed on one side of the second grip rod, and the releasing rod member is pivotally disposed on the inner edge of the second grip rod, and the end portion is configured to be forced by the deriving rib. Put the other end type.