TWM629466U - Hose clamp pliers - Google Patents

Abstract

A tube bundle clamp, comprising a pivot, a first clamp body including a first connecting portion and a first clamp portion, a first clamp body including a second connecting portion, a second clamp portion and a second handle portion. Two clamp bodies, a third clamp body including a third connecting portion and a third handle portion, and a sliding shaft. The first connecting portion is pivotally connected to the pivot shaft and forms a first chute, the first jaw portion has N rows of first tooth rows spaced in a longitudinal direction, and each first tooth row has several A first protruding tooth arranged at intervals in the horizontal direction, at least one row of the first tooth row between the first row and the last row of the first tooth row, has two adjacent to the outer side in the horizontal direction The first protruding teeth of the other rows have more than two first protruding teeth. The second connecting portion is pivotally connected to the pivot shaft and forms a second chute, the second pincer portion has N rows of second tooth rows corresponding to the first tooth rows, and each second tooth row has several The second protruding teeth, at least one row of the second tooth row between the first row and the last row of the second tooth row, has two second protruding teeth adjacent to the outer side in the lateral direction, the other The second row of teeth has more than two second protruding teeth. The third connecting portion is pivotally connected with the pivot and forms a third chute. The sliding shaft passes through the first chute, the second chute and the third chute.

Description

Tube bundle wrench

The new model relates to a kind of pliers, especially a kind of tube bundle pliers.

As shown in FIGS. 1 and 2 , a conventional tube bundle clamp includes a first clamp body 1 , a second clamp body 2 , a third clamp body 3 , a pivot shaft 4 , and a sliding shaft 5 . The body 1 has a first chuck part 101, the first chuck part 101 has several first tooth rows 102 arranged at equal intervals in a front-rear direction, and each first tooth row 102 has several first tooth rows 102 in a left-right direction On the first protruding teeth 103 arranged at equal intervals, a first channel 104 open to the left and right is formed between any two adjacent first tooth rows 102 , and the second clamp body 2 has a corresponding first clamping part 101 The second chuck portion 201 and a second handle portion 202, the second chuck portion 201 has a plurality of second tooth rows 203 arranged at equal intervals in the front-rear direction, and each second tooth row 203 has A number of second protruding teeth 204 are arranged at equal intervals in the left and right direction, and a second channel 205 is formed between any two adjacent second tooth rows 203. The third clamp body 3 has a corresponding The third handle portion 301 of the second handle portion 202, the pivot shaft 4 pivotally connects the first forceps body 1, the second forceps body 2 and the third forceps body 3, the sliding shaft 5 and the The first clamp body 1, the second clamp body 2 and the third clamp body 3 slide catch. Thereby, when the user holds the second handle portion 202 and the third handle portion 301 , and drives the first grip portion 101 and the second grip portion 201 to approach each other to compress a tube bundle 6 When there are two pressers 601, the tube bundle 6 can be loosened from a tube (not shown).

However, in actual use, as shown in FIG. 2 , since the first tooth row 102 of the first chuck part 101 and the second tooth row 203 of the second chuck part 201 are arranged at equal intervals, and the two The distance between adjacent tooth rows is not large, therefore, in the process of pressing the presser feet 601 of the tube bundle 6, the presser feet 601 of the tube bundle 6 can easily abut against the first tooth rows 102. The tooth surface of a protruding tooth 103 or the tooth surface of the second protruding teeth 204 of the second tooth rows 203 causes the presser foot 601 of the tube bundle 6 to be separated from the first clamping part 101 and the second clamping part. The parts 201 slip out, so that the user cannot smoothly loosen the tube bundle 6 from the tube (not shown).

In addition, as shown in FIG. 3 , even if the presser foot 601 of the tube bundle 6 is just inserted into the first channel 104 between the two adjacent first tooth rows 102 or the first channel 104 between the two adjacent second tooth rows 203 The second channel 205, however, since the left and right sides of the first channel 104 and the second channel 205 are open, there is no structure that can prevent the presser foot 601 of the tube bundle 6 from slipping out. During the process of pressing the presser foot 601 of the tube bundle 6, the presser foot 601 of the tube bundle 6 may also slide left and right, and accidentally slip out of the first channel 104 or the second channel 205, which causes the user to be unable to smoothly. Unscrew the tube bundle 6 from the tube piece (not shown) in a responsive manner.

Accordingly, it is an object of the present invention to provide a tube bundle wrench that overcomes at least one of the disadvantages of the prior art.

Therefore, the novel tube bundle clamp includes a pivot shaft, a first clamp body, a second clamp body, a third clamp body, and a sliding shaft.

The first clamp body includes a first connection portion, and a first clamp portion extending forward from the first connection portion, the first connection portion is formed with a first shaft hole pivotally connected with the pivot, and a first chute, the first chute has a first front end portion adjacent to the first shaft hole, and a first rear end portion away from the first shaft hole, the first jaw portion has a first a clamping surface, and N rows of first tooth rows spaced on the first clamping surface in a longitudinal direction, N is a positive integer greater than 2, and each first tooth row has a plurality of teeth in a horizontal direction The first protruding teeth arranged at intervals on the top, at least one row of the first tooth row between the first row of the first row and the first tooth row of the last row, has two adjacent to the first clip in the transverse direction The outermost first protruding teeth of the holding surface, in addition to the first tooth row of the at least one row, the first tooth row of the other row has more than two first protruding teeth.

The second pliers body includes a second connecting portion, a second pliers portion extending forward from the second connecting portion, and a second handle portion extending backward from the second connecting portion. The two connecting portions are formed with a second shaft hole pivotally connected to the pivot shaft, and a second chute, the second chute has a second inner end portion adjacent to the second shaft hole, and a second shaft away from the second shaft hole. The second outer end portion of the second shaft hole, the second jaw portion has a clamping surface facing the first The second clamping surface of N, and N rows are arranged at intervals on the second clamping surface and correspond to the second tooth rows of the first tooth rows, N is a positive integer greater than 2, and each second tooth row has A plurality of second protruding teeth arranged at intervals in the horizontal direction, at least one row of the second tooth row between the first row and the second tooth row of the last row, with two in the horizontal direction Adjacent to the outermost second protruding teeth of the second clamping surface, in addition to the second tooth rows of the at least one row, the second tooth rows of other rows have more than two second protruding teeth.

The third forceps body includes a third connecting portion between the first connecting portion and the second connecting portion, and a third handle portion extending backward from the third connecting portion. The third connecting portion A third shaft hole pivotally connected with the pivot shaft is formed in the part, and a third chute, the third chute has a third inner end portion adjacent to the third shaft hole, and a third shaft away from the third shaft hole. the third outer end of the shaft hole.

The sliding shaft passes through the first sliding groove of the first connecting part, the second sliding groove of the second connecting part and the third sliding groove of the third connecting part.

The effect of the new model is: the new model utilizes "the at least one row of the first tooth row between the first tooth row of the first row and the last row of the first tooth row has two first protruding teeth, And the first tooth row of other rows has more than two first protruding teeth", matching "the second pincer body is between the first row and the second tooth row of the last row at least one row. The second tooth row has two second protruding teeth, and the second tooth row of other rows has more than two second protruding teeth” design, in the process of pressing the two presser feet of a tube bundle, you can use the The first convex teeth of the first tooth row of the at least one row and the second convex teeth of the second tooth row of the at least one row The teeth limit the position of the presser foot of the tube bundle in the lateral direction to prevent the presser foot of the tube bundle from slipping out between the first chuck seat and the second chuck seat, so that the user can smoothly The tube bundle is released from a tube.

100: Tube Bundle Wrench

10: Pivot

20: The first clamp body

21: The first connection part

211: The first shaft hole

212: The first chute

213: First front end

214: First rear end

22: The first clamp

23: First Arm

24: The first chuck seat

241: The first clamping surface

242: The first tooth row

242 I: The first tooth row

242 II: The first gear row

242 Ⅲ: The first gear row

242 IV: The first gear row

242 V: 1st gear row

243: The first convex tooth

25: The first half limit space

26: The first and second half of the limited space

30: Second clamp body

31: Second connecting part

311: Second shaft hole

312: Second chute

313: Second inner end

314: Second outer end

32: Second clamp

33: The second grip part

34: Second Arm

35: Second chuck seat

351: Second clamping surface

352: The second tooth row

352 I: The second tooth row

352 II: The second gear row

352 Ⅲ: Second Row

352 IV: The second gear row

352 V: 2nd gear row

353: Second convex tooth

36: The second front half limit space

37: Limit space in the second half

40: The third clamp body

41: The third connecting part

411: The third shaft hole

412: The third chute

413: Third inner end

414: Third outer end

42: The third grip part

50: Sliding shaft

X: Vertical direction

Y: horizontal direction

200: Tube bundle

210: Presser foot

1: The first clamp body

101: The first chuck head

102: The first tooth row

103: The first convex tooth

104: first channel

2: Second clamp body

201: Second chuck head

202: The second grip part

203: The second tooth row

204: Second convex tooth

205: Second channel

3: The third clamp body

301: The third grip part

4: Pivot

5: Sliding shaft

6: Tube bundle

601: Presser foot

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: FIG. 1 is a three-dimensional appearance view of a conventional tube bundle wrench and a tube bundle; FIG. 2 is an incomplete use state A schematic diagram illustrating that the two presser feet of the tube bundle abut on the tooth surface of the first tooth row of a first jaw body of the tube bundle wrench or the tooth surface of the second tooth row of a second jaw body of the tube bundle wrench 3 is a view similar to that of FIG. 2, illustrating that the presser foot of the tube bundle is stuck between two adjacent first tooth rows of the first pliers body and two adjacent second tooth rows of the second pliers body Between; Fig. 4 is a three-dimensional appearance view of an embodiment of the novel tube bundle clamp; Fig. 5 is a view similar to Fig. 4, but viewed from another angle; Fig. 6 is an exploded perspective view of this embodiment; Fig. 7 is a combined cross-sectional view of the embodiment; FIG. 8 is a plan view illustrating the embodiment in a maximum open position; FIG. 9 is a view similar to FIG. 8 illustrating the embodiment in a closed position; Fig. 10 is a schematic view of a use state, illustrating that this embodiment starts to press two presser feet of a tube bundle; Fig. 11 is a side view of Fig. 10; Press the presser foot of the tube bundle to release the tube bundle; and FIG. 13 is a schematic diagram of an incomplete use state, illustrating that this embodiment presses the presser foot clamp of the tube bundle that is not positioned correctly at the beginning and limits it. .

Referring to FIGS. 4 , 5 and 6 , it is an embodiment of the novel tube bundle wrench 100 . The tube bundle wrench 100 includes a pivot shaft 10 , a first clamp body 20 , a second clamp body 30 , and a third clamp body 40 . and a sliding shaft 50 .

As shown in FIGS. 6 and 7 , the pivot 10 is coaxially and pivotally connected to the first forceps body 20 , the second forceps body 30 and the third forceps body 40 .

As shown in FIGS. 4 , 5 and 6 , the first jaw body 20 includes a first connecting portion 21 and a first jaw portion 22 extending forward from the first connecting portion 21 .

The first connecting portion 21 is formed with a first shaft hole 211 pivotally connected to the pivot shaft 10 , and a first sliding groove 212 , and the first sliding groove 212 has a first front end adjacent to the first shaft hole 211 . 213, and a first rear end portion 214 away from the first shaft hole 211. In this embodiment, the first chute 212 is linear.

In this embodiment, the first jaw portion 22 includes a first arm 23 extending forward from the first connecting portion 21 , and a first chuck seat 24 disposed at the front end of the first arm 23 , The first chuck seat 24 has a first clamping surface 241 and five rows of first tooth rows 242 disposed on the first clamping surface 241 in a longitudinal direction X at intervals. It can be understood that, in other variations of this embodiment, the number of the first tooth rows 242 may also be three rows, four rows or more than five rows. In addition, for clear distinction, the five first tooth rows 242 are further defined as first tooth rows 242 I, 242 II, 242 III, 242 IV, and 242 V in order.

Each of the first tooth rows 242I, 242II, 242III, 242IV, and 242V has a plurality of first protruding teeth 243 spaced in a horizontal direction Y. In this embodiment, between the first row The second row and the first tooth rows 242 II and 242 IV of the fourth row between the first tooth rows 242 I and 242 V of the last row (fifth row) have two first protruding teeth 243 , the first protruding teeth 243 of the first tooth rows 242 II and 242 IV of the second row and the fourth row are adjacent to the outermost side of the first clamping surface 241 in the lateral direction Y, in the second row Besides the first tooth rows 242 II and 242 IV of the fourth row, the first tooth rows 242 I, 242 III and 242 V of the first row, the third row and the fifth row have more than two The interval in the lateral direction Y between the second row and the first protruding teeth 243 of the first tooth rows 242 II and 242 IV of the fourth row is greater than that of the first row , the interval in the lateral direction Y between any two adjacent first protruding teeth 243 of the first tooth rows 242I, 242III, 242V of the third row and the fifth row. It is understandable that in the actual In other variations of the embodiment, the number of the first protruding teeth 243 of the first tooth rows 242I, 242III, and 242V of the first row, the third row, and the fifth row can also be three or more. In addition to four, in addition, the number of the first tooth rows 242 with two first convex teeth 243 between the first row and the last row of the first tooth rows 242 can also be one row (for example, when The number of the first tooth rows 242 is three) or more than two (for example, when the number of the first tooth rows 242 is seven).

In this embodiment, the first row, the second row and the first tooth rows 242I, 242II, 242III of the third row cooperate to define a first front half limiting space 25, the third row, The fourth row cooperates with the first tooth rows 242 III, 242 IV and 242 V of the fifth row to define a first rear limit space 26 .

The second jaw body 30 includes a second connecting portion 31 , a second jaw portion 32 extending forward from the second connecting portion 31 , and a second grip extending backward from the second connecting portion 31 Handle 33.

The second connecting portion 31 is formed with a second shaft hole 311 pivotally connected to the pivot shaft 10 , and a second sliding slot 312 . The second sliding slot 312 has a second inner shaft adjacent to the second shaft hole 311 . The end portion 313 and a second outer end portion 314 away from the second shaft hole 311 . In this embodiment, the second chute 312 is arc-shaped.

In this embodiment, the second jaw portion 32 includes a second arm 34 extending forward from the second connecting portion 31 , and a second chuck seat 35 disposed at the front end of the second arm 34 , The second jaw portion 32 has a second clamping surface facing the first clamping surface 241 351 is disposed on the second clamping surface 351 at intervals from five rows and corresponds to the second tooth row 352 of the first tooth rows 242 . It can be understood that, in other variations of this embodiment, the number of the second tooth rows 352 may also be three rows, four rows or more than five rows. In addition, for clear distinction, the five second tooth rows 352 are further defined as second tooth rows 352 I, 352 II, 352 III, 352 IV, and 352 V in order.

Each second tooth row 352I, 352II, 352III, 352IV, 352V has a plurality of second protruding teeth 353 arranged at intervals in the lateral direction Y. In this embodiment, between the first row The second row and the second tooth row 352 II, 352 IV of the fourth row between the second tooth row 352 I, 352 V of the last row (fifth row) have two second protruding teeth 353 , the second protruding teeth 353 of the second row and the second row 352 II, 352 IV of the fourth row are adjacent to the outermost side of the second clamping surface 351 in the lateral direction Y, in the second row Besides the second tooth rows 352 II and 352 IV of the fourth row, the first row, the third row, and the second tooth rows 352 I, 352 III and 352 V of the fifth row have more than two The four second protruding teeth 353 of the second row and the second protruding teeth 353 of the second row 352 II and 352 IV of the fourth row in the lateral direction Y are greater than the first row. , the interval in the lateral direction Y between any two adjacent second protruding teeth 353 of the second tooth rows 352I, 352III, 352V of the third row and the fifth row. It can be understood that, in other variations of this embodiment, the number of the second protruding teeth 353 of the first row, the third row, and the second tooth rows 352 I, 352 III, and 352 V of the first row, the third row, and the fifth row There may also be three or more than four, in addition, between the second tooth row 352 of the first row and the last row and having The number of the second tooth rows 352 with two second protruding teeth 353 may also be one row (for example, when the number of the second tooth rows 352 is three rows) or more than two rows (for example, when the second tooth rows 352 are in three rows). The number of rows 352 is seven).

In this embodiment, the first row, the second row and the second tooth rows 352 I, 352 II, 352 III of the third row cooperate to define a second front half limiting space 36, the third row, The fourth row cooperates with the second tooth rows 352 III, 352 IV and 352 V of the fifth row to define a second rear half limiting space 37 .

The third forceps body 40 includes a third connecting portion 41 between the first connecting portion 21 and the second connecting portion 31 , and a third handle portion extending backward from the third connecting portion 41 42. The third connecting portion 41 is formed with a third shaft hole 411 pivotally connected to the pivot shaft 10, and a third sliding groove 412, the third sliding groove 412 has a third shaft hole 411 adjacent to the third shaft hole 411. Three inner ends 413 , and a third outer end 414 away from the third shaft hole 411 . In this embodiment, the third chute 412 is in an arc shape.

As shown in FIGS. 6 and 7 , the sliding shaft 50 passes through the first sliding groove 212 of the first connecting portion 21 , the second sliding groove 312 of the second connecting portion 31 and the third connecting portion 41 . Chute 412.

As shown in FIGS. 8 and 9 , the second handle portion 33 and the third handle portion 42 are used to drive the first jaw portion 22 and the second jaw portion 32 to be opposite to a maximum opening position (see FIG. 8) Swing between a closed position (see FIG. 9 ), when the first jaw 22 and the second jaw 32 are in the maximum open position, the first jaw 22 and the second jaw 32 mutual The sliding shaft 50 is adjacent to the first rear end 214 of the first chute 212 , the second outer end 314 of the second chute 312 and the third outer end 414 of the third chute 412 , when the first jaw portion 22 and the second jaw portion 32 are in the closed position, the first jaw portion 22 and the second jaw portion 32 are close to each other, and the sliding shaft 50 is adjacent to the first chute 212 The first front end 213 , the second inner end 313 of the second chute 312 and the third inner end 413 of the third chute 412 .

Thereby, as shown in FIGS. 10 , 11 and 12 , when the user holds the second handle portion 33 and the third handle portion 42 , the first chuck of the first jaw portion 22 is driven. When the seat 24 and the second collet seat 35 of the second jaw part 32 are close to each other to press the two presser feet 210 of a tube bundle 200, the first tooth row 242 II of the second row of the first collet seat 24 The first protruding teeth 243 of the second collet seat 35 and the second protruding teeth 353 of the second tooth row 352 II in the second row of the second collet seat 35 can limit the position of the presser foot 210 of the tube bundle 200 in the lateral direction Y, The presser feet 210 of the tube bundle 200 are respectively limited in the first front half-limiting space 25 (see FIG. 4 ) of the first collet seat 24 and the second front half-limiting space 36 of the second collet seat 35 (see FIG. 5 ), the presser foot 210 of the tube bundle 200 is prevented from slipping out from between the first collet seat 24 and the second collet seat 35 . In this way, the first collet seat 24 and the second The collet seat 35 can force the presser feet 210 of the tube bundle 200 to approach each other, so that the tube bundle 200 can be released from a tube (not shown) smoothly.

Through the above description, the advantages of the present invention can be summarized as follows:

1. The present invention utilizes the first chuck seat 24 of the first clamp body 20 to form the first The design of a front half limiting space 25 and the first rear limiting space 26, which cooperate with the second chuck seat 35 of the second clamp body 30 to form the second front limiting space 36 and the second rear limiting space 37 , during the process of pressing the presser foot 210 of the tube bundle 200 , the user can limit the presser foot 210 of the tube bundle 200 to the first chuck seat 24 depending on the length of the presser foot 210 of the tube bundle 200 . Inside a front half limiting space 25 and within the second front limiting space 36 of the second chuck seat 35 , or within the first rear limiting space 26 of the first chuck seat 24 and within the second chuck seat 35 In the second rear half limiting space 37, compared with the prior art, the present invention can effectively prevent the presser foot 210 of the tube bundle 200 from abutting against the first clamp during the process of pressing the presser foot 210 of the tube bundle 200. The tooth surface of the first protruding teeth 243 of the first tooth row 242 of the head seat 24 or the tooth surface of the second protruding teeth 353 of the second tooth row 352 of the second collet seat 35 to prevent the tube bundle 200 from being damaged. The presser foot 210 slips out from between the first chuck seat 24 and the second chuck seat 35 , so that the user can smoothly loosen the tube bundle 200 from the tube (not shown).

2. The number of teeth of the first protruding teeth 243 of the second row and the fourth row of the first tooth row 242 II and 242 IV of the first collet seat 24 of the first clamp body 20 is less than that of the first The number of teeth of the first protruding teeth 243 of the first tooth rows 242 I, 242 III and 242 V of the first row, the third row and the fifth row of the collet seat 24 is matched with the second collet of the second clamp body 30 The number of teeth of the second protruding teeth 353 of the second row of the seat 35 and the second tooth row 352 II and 352 IV of the fourth row is less than that of the first row, the third row and the fifth row of the second head seat. The design of the number of teeth of the second protruding teeth 353 of the second tooth row 352 I, 352 III and 352 V is shown in Figure 13. In the process of pressing the presser foot 210 of the tube bundle 200, even if the presser foot 210 of the tube bundle 200 is initially embedded in the first row of the first collet seat 24, the first row of teeth 242 I of the second row , 242 II or between the first row of the second collet seat 35, the second row of the second tooth row 352 I, 352 II of the second row, because the first tooth of the second row of the first collet seat 24 In the middle of the row 242 II, there are no first protruding teeth 243 that prevent the presser foot 210 of the tube bundle 200 from sliding inward, and the second tooth row 352 II of the second row of the second chuck seat 35 There are also no second protruding teeth 353 in the middle for preventing the presser foot 210 of the tube bundle 200 from sliding inward, so the presser foot 210 of the tube bundle 200 can slide inwardly to the first clamp when being pressed Inside the first front half limiting space 25 (see FIG. 4 ) of the head seat 24 and the second front half limiting space 36 (see FIG. 5 ) of the second chuck seat 35 , at this time, the first chuck seat 24 The first protruding teeth 243 of the first tooth row 242 II in the second row and the second protruding teeth 353 of the second tooth row 352 II in the second row of the second collet seat 35, the tube bundle 200 can be The presser foot 210 is respectively limited in the first front half limit space 25 (see FIG. 4 ) and the second front half limit space 36 (see FIG. 5 ). The presser foot 210 of the tube bundle 200 that is not positioned correctly is clamped back to the correct position and limited to prevent the presser foot 210 of the tube bundle 200 from slipping out between the first chuck seat 24 and the second chuck seat 35 , so that the user can smoothly loosen the tube bundle 200 from the tube (not shown).

To sum up, the new type of tube bundle wrench can not only prevent the presser foot of the tube bundle from abutting against the first protruding teeth of the first tooth row of the first collet seat during the process of pressing the presser foot of the tube bundle The tooth surface of the second collet seat or the tooth surface of the second convex tooth of the second tooth row of the second collet seat The presser foot of the tube bundle can be limited to prevent the presser foot of the tube bundle from slipping out between the first chuck seat and the second chuck seat, so the purpose of the present invention can be achieved.

However, the above are only examples of the present invention, which should not limit the scope of the present invention. Any simple equivalent changes and modifications made in accordance with the scope of the patent application for this new model and the contents of the patent specification are still within the scope of the present invention. within the scope of this new patent.

100: Tube Bundle Wrench

10: Pivot

20: The first clamp body

21: The first connection part

211: The first shaft hole

212: The first chute

213: First front end

214: First rear end

22: The first clamp

23: First Arm

24: The first chuck seat

241: The first clamping surface

242: The first tooth row

242I: The first tooth row

242Ⅱ: The first gear row

242Ⅲ: The first tooth row

242Ⅳ: The first tooth row

242V: The first gear row

243: The first convex tooth

25: The first half limit space

26: The first and second half of the limited space

30: Second clamp body

31: Second connecting part

311: Second shaft hole

312: Second chute

313: Second inner end

314: Second outer end

32: Second clamp

33: The second grip part

34: Second Arm

35: Second chuck seat

351: Second clamping surface

352: The second tooth row

352I: The second tooth row

352Ⅱ: The second gear row

352Ⅲ: The second gear row

352Ⅳ: The second tooth row

352V: The second gear row

353: Second convex tooth

40: The third clamp body

41: The third connecting part

411: The third shaft hole

412: The third chute

413: Third inner end

414: Third outer end

42: The third grip part

50: Sliding shaft

X: Vertical direction

Y: horizontal direction

Claims (5)

A tube bundle wrench comprising: a pivot; a first clamp body, comprising a first connecting portion, and a first clamp portion extending forward from the first connecting portion, the first connecting portion is formed with a first shaft hole pivotally connected with the pivot shaft, and a first chute, the first chute has a first front end portion adjacent to the first shaft hole, and a first rear end portion away from the first shaft hole, the first jaw portion has a The first clamping surface, and N rows of first tooth rows arranged at intervals in the first clamping surface in a longitudinal direction, N is a positive integer greater than 2, and each first tooth row has several in a horizontal direction. The first convex teeth arranged at intervals in the direction, at least one row of the first tooth row between the first row of the first row and the first tooth row of the last row, has two adjacent to the first tooth row in the transverse direction the outermost first protruding teeth of the clamping surface, in addition to the first tooth row of the at least one row, the first tooth row of the other row has more than two first protruding teeth; a second pliers body including a second connecting part, a second pliers part extending forward from the second connecting part, and a second handle part extending backward from the second connecting part, the The second connecting portion is formed with a second shaft hole pivotally connected to the pivot shaft, and a second sliding slot, the second sliding slot has a second inner end portion adjacent to the second shaft hole, and a second inner end portion away from the second shaft hole. At the second outer end of the second shaft hole, the second jaw has a second clamping surface facing the first clamping surface, and N rows are arranged on the second clamping surface at intervals corresponding to the second clamping surface. Equal to the second tooth row of the first tooth row, N is a positive integer greater than 2, each second tooth row has a plurality of second convex teeth arranged at intervals in the horizontal direction, at least one row is between the first row The second tooth row between the second tooth row of the last row and the second tooth row of the last row has two second outermost protruding teeth adjacent to the second clamping surface in the transverse direction, and the second tooth row of the at least one row In addition to the second tooth row, the second tooth row of other rows has more than two second protruding teeth; A third forceps body includes a third connecting portion between the first connecting portion and the second connecting portion, and a third handle portion extending backward from the third connecting portion, the third The connecting portion is formed with a third shaft hole pivotally connected with the pivot shaft, and a third chute, the third chute has a third inner end portion adjacent to the third shaft hole, and a third shaft away from the first the third outer end of the triaxial hole; and A sliding shaft passes through the first sliding groove of the first connecting part, the second sliding groove of the second connecting part and the third sliding groove of the third connecting part. The pipe bundle wrench according to claim 1, wherein the first jaw part has five rows of first tooth rows, and the first tooth row of the first row, the third row and the fifth row has four first protrusions teeth, the second row and the first tooth row of the fourth row have two first protruding teeth, and the first protruding teeth of the second row and the first tooth row of the fourth row are in the transverse direction The interval is greater than the interval in the horizontal direction between any two adjacent first convex teeth of the first row, the third row, and the first tooth row of the fifth row. The second row cooperates with the first tooth row of the third row to define a first front half space, and the third row, the fourth row and the first tooth row of the fifth row cooperate to define a first rear half space bit space. The pipe bundle wrench of claim 2, wherein the second jaw portion has five rows of second tooth rows, and the second tooth rows of the first row, the third row, and the fifth row have four second protrusions teeth, the second row and the second row of the fourth row have two second protruding teeth, and the second row and the second protruding teeth of the second row of the fourth row are in the transverse direction The interval is greater than the interval in the horizontal direction between any two adjacent second protruding teeth of the second tooth row of the first row, the third row, and the fifth row. The second row cooperates with the second tooth row of the third row to define a second front half limit space, and the third row, the fourth row and the second tooth row of the fifth row cooperate to define a second rear half space bit space. The pipe bundle wrench according to claim 1, wherein the first clamp portion comprises a first arm extending from the first connecting portion, and a first chuck seat disposed at the front end of the first arm, the The first chuck seat has the first clamping surface and the first tooth rows. The pipe bundle wrench of claim 4, wherein the second jaw portion comprises a second arm extending from the second connecting portion, and a second chuck seat disposed at the front end of the second arm, the The second collet seat has the second clamping surface and the second tooth rows.

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