TWI654059B - Working table for rapidly gripping workpiece - Google Patents

Abstract

The working machine for quickly clamping the object comprises a body and a guiding device, the guiding device comprises an guiding device, a pivot rod and a rebounding device, the guiding device is provided with a first connecting portion and a second connecting portion, a guiding portion is disposed between the first connecting portion and the second connecting portion, the first connecting portion and the second connecting portion are slidably disposed on the body, and the guiding device is capable of being in the first position and the second position Moving relative to the body, the pivot rod is pivotally disposed on the body, the pivot rod is connected with a first push rod and a second push rod, the first push rod abuts against the first connecting portion, and the second push rod abuts against the second The connecting portion can move the guide to the first position when the pivoting rod rotates, the rebounder is connected to the body, the rebounder can push the guiding device to move to the second position, and the tool machine can be quickly clamped by the above structure Holding objects.

Description

Quick clamping object work machine

The invention mainly discloses a working machine, in particular a working machine for quickly clamping objects.

Please refer to the patent of "The Construction of the Tail Groove Sawing Machine" of the Chinese Patent No. M316156, which discloses a structure of a dovetail slot saw, which is composed of a machine seat, a sawing guide plate and the upper rear side and the front side. The two clamping mechanism comprises a pressing plate, a tool baffle, two adjusting pieces and a plurality of fixing buttons, wherein the adjusting pieces are locked under the two sides of the pressing plate, and the other side is set with a sawing guide The lead plate is provided with an open long groove, and the sawing guide plate is provided with a perforation opposite to the open long groove, so that both sides thereof can be locked to the open length of the adjusting piece by the screwing component In the groove, the degree of tightness of the screwing element can be utilized to quickly adjust the depth of the sawing guide plate in the open long groove.

However, the clamp mechanism of the dovetail slot saw is provided with a spring to maintain the pressure plate and the base in a separated state, and the sawing guide plate and the pressure plate are designed to be linked, and when the object is to be clamped, it is necessary to first The object is placed between the pressure plate and the base, and in order to accurately position the object, the pressure plate is pressed down, so that the sawing guide plate is close to the object, and the user must press the pressure plate while adjusting the position of the object. After moving the object to the positioning, you must continue to press down on the pressure plate and lock the knob at the same time. At the same time, the object may be displaced due to the change of pressure, and the position of the object must be re-adjusted, which is quite inconvenient in operation.

In view of the above-described lack of conventional structures, the inventors have devised a working machine for quickly clamping articles that overcomes all of the disadvantages of the prior art described above.

The main purpose of the working machine for quickly clamping objects of the present invention is to provide a working machine comprising a body and a guiding device, wherein the body is disposed with a first end in a horizontal direction and a first one different from the first a second end of the end, the outer circumference between the first end and the second end is sequentially provided with a first side, a second side, a third side and a fourth side, the first side and the first side The third sides are opposite to each other, the second side and the fourth side are opposite to each other, and the guiding device comprises an introducer, a pivot rod and a rebounder, one end of the guide is provided with a first connection The other end of the portion is provided with a second connecting portion, and a guiding portion is disposed between the first connecting portion and the second connecting portion, the first connecting portion is slidably disposed on the body and adjacent to the first portion The second connecting portion is slidably disposed on the body and adjacent to the second end. The guiding portion is adjacent to the first side and is interlocked with the first connecting portion and the second connecting portion. Moving between the position and the second position relative to the body, the guide is at In the position, the guiding portion is adjacent to the body, the guiding portion is away from the body when the guiding device is in the second position, the pivoting rod is pivotally disposed on the body, and one end of the guiding rod is adjacent to the first end and The other end of the different side is adjacent to the second end, the pivot rod is connected with a first push rod and a second push rod, the first push rod abuts against the first connecting portion, and the second push rod abuts against the a second connecting portion, wherein the pivoting rod can rotate the guiding device to move to the first position, the rebounder is coupled to the body, and the rebounder can push the guiding device to move to the second position, the tool The machine can quickly hold the object by the above structure.

The first end is provided with a first leg, the first leg is provided with a first sliding slot in a horizontal direction, the first sliding slot extends in a vertical direction, and the second end is provided with a second foot The second leg is disposed with a second sliding slot extending in a horizontal direction, the second sliding slot extending in a vertical direction, the first side is located above the vertical direction of the body, and the third side is located perpendicular to the body Below the direction, the guide includes a first sliding member, a second sliding member and a guiding member, the first connecting portion is disposed at an end of the first sliding member adjacent to the body, the first The two connecting portions are disposed at an end of the second sliding member adjacent to the body, and the two ends of the guiding member are connected to the first sliding member and the second sliding member are different from one end of the body, The first connecting portion of the first sliding member is inserted into the first foot by the first side, the first sliding member is connected with a first positioning member and is provided with a first knob, the first positioning member The first knob is inserted into the first connecting portion and inserted into the first sliding slot, and the first knob is connected to the first knob by a screw The first positioning member abuts the side of the first foot that is different from the second foot. The second connecting portion of the second sliding member is inserted into the second seat by the first side. The second sliding member is connected to a second positioning member and is provided with a second knob. The second positioning member is disposed in the second connecting portion and is inserted into the second sliding slot. The locking device is coupled to the second positioning member and abuts against a side of the second foot that is different from the first foot.

The first sliding member is different from the one end of the body, and is provided with a first sliding rail extending from a position adjacent to the second side toward a direction adjacent to the fourth side, the second sliding member A second sliding rail is disposed at one end of the body, and the second sliding rail extends from a position adjacent to the second side to a direction adjacent to the fourth side, and the two ends of the guiding member are respectively slidably disposed And the first slide rail and the second slide rail.

The first leg is disposed with a first through hole in a horizontal direction, and the second leg is disposed in the horizontal direction with a second through hole. The pivot is simultaneously inserted into the first through hole and the second through hole. pivot One end of the rod is coupled to a handle that is rotatable in synchronization with the pivot rod, the handle being located on a side of the first foot that is different from the second foot.

The pivot sleeve is provided with a first collar and a second collar. The first collar is screwed to a first screw, and the first screw is locked and abuts against the pivot rod. The second sleeve is screwed to a second screw, and the second screw is locked and abuts against the pivot rod. One end of the first push rod is screwed to the first collar along the radial direction of the pivot rod. The first push rod is sleeved with a first nut, the first nut abuts against the outer circumference of the first sleeve, and one end of the second push rod is along the radial direction of the pivot rod The second screw is screwed onto the second collar, and the second push rod is sleeved with a second nut, and the second nut abuts against the outer circumference of the first collar.

The rebounder includes a first spring and a second spring, one end of the first spring is fixedly connected to the first foot and the other end is pushed against the guide, and one end of the second spring is fixed The other end connected to the second foot pushes the guide.

The first spring and the second spring are torsion springs.

The first side is provided with a first supporting wall, and the second side is provided with a second supporting wall, the first supporting wall and the second supporting wall are integrally formed, the first supporting wall and the second supporting One end of the wall is connected to the first foot, the first supporting wall and the second supporting wall are different from the second leg, and one end of the first leg is connected to the second leg. The tool machine includes a clamping device. The clamping device includes a first clamping group and a second clamping group, the first clamping group includes a first pressing member, a first locking member, a second locking member, and a first a compression spring and a second compression spring, the first pressing member corresponding to the first supporting wall, the first locking member and the second locking member passing through the first pressing member and being screw-connected to the first supporting member The first locking member and the second locking member are respectively adjacent to different ends of the first pressing member, and the first compression spring is sleeved on the first locking member, the second compression spring Nested in the second locking member, and the first compression spring and the second compression spring are located between the first pressing member and the first supporting wall, the second clamping group includes a second pressing member, a third locking member, a fourth locking member, a third compression spring and a fourth compression spring, the second pressing member corresponding to the second supporting wall, the third locking member and the fourth locking member passing through the The second pressing member is connected to the second supporting wall in a screw-locking manner, and the third locking member and the fourth locking member are respectively adjacent to different ends of the second pressing member, and the third compression spring is sleeved on the second compression spring. The third locking member is sleeved on the fourth locking member, and the third compression spring and the fourth compression spring are located between the second pressing member and the second supporting wall.

Other objects, advantages and novel features of the invention will become apparent from the description and appended claims.

10‧‧‧Tool machine

20‧‧‧ body

21‧‧‧ first end

211‧‧‧first foot

212‧‧‧First chute

213‧‧‧First perforation

22‧‧‧ second end

221‧‧‧Second foot

222‧‧‧Second chute

223‧‧‧second perforation

23‧‧‧ first side

231‧‧‧First support wall

24‧‧‧ second side

241‧‧‧Second support wall

25‧‧‧ third side

26‧‧‧ fourth side

30‧‧‧Guide

31‧‧‧ Introducer

311‧‧‧First connection

312‧‧‧Second connection

313‧‧‧Guidance

32‧‧‧ pivot

321‧‧‧First putt

322‧‧‧Second putter

323‧‧‧Handle

324‧‧‧ first ring

325‧‧‧ second ring

326‧‧‧First screw

327‧‧‧Second screw

328‧‧‧First Nut

329‧‧‧second nut

33‧‧‧Reboundor

331‧‧‧First spring

332‧‧‧Second spring

34‧‧‧First slipper

341‧‧‧First slide rail

342‧‧‧First positioning piece

343‧‧‧ first knob

35‧‧‧Second slipper

351‧‧‧Second rail

352‧‧‧Second positioning parts

353‧‧‧second knob

36‧‧‧Guide

40‧‧‧Clamping device

41‧‧‧First clamping group

411‧‧‧First press

412‧‧‧First lock

413‧‧‧Second lock

414‧‧‧First compression spring

415‧‧‧Second compression spring

42‧‧‧Second clamping group

421‧‧‧Second pressure parts

422‧‧‧ third locking piece

423‧‧‧4th locking piece

424‧‧‧ Third compression spring

425‧‧‧4th compression spring

Figure 1 is a perspective view of the working machine of the quick-clamping object of the present invention.

Figure 2 is an exploded perspective view of the working machine of the quick-clamping object of the present invention.

Fig. 3 is an exploded perspective view showing another working angle of the working machine for quickly clamping the object of the present invention.

Figure 4 is a perspective exploded view of another working machine of the quick-clamping object of the present invention.

Fig. 5 is a cross-sectional structural view showing the working machine of the quick-clamping object of the present invention.

Fig. 6 is a cross-sectional structural view showing another working angle of the working machine for quickly clamping the object of the present invention.

Fig. 7 is a view showing the state of use of the working machine for quickly clamping the object of the present invention.

Fig. 8 is a view showing the state of use of the working machine for quickly clamping the object of the present invention.

Fig. 9 is a view showing the state of use of the working machine for quickly clamping the object of the present invention.

The technology, means and functions of the present invention are described in detail with reference to the accompanying drawings.

1 to 4, a perspective view and an exploded perspective view of a working machine for quickly clamping an object of the present invention. The tool machine table 10 of the present invention comprises a body 20, a guiding device 30 and a clamping device 40. The body 20 is provided with a first end 21 and a different one from the first end 21 in a horizontal direction. The second end 22, the outer periphery of the first end 21 and the second end 22 are sequentially provided with a first side 23, a second side 24, a third side 25 and a fourth side 26, which The first side 23 and the third side 25 are opposite each other, and the second side 24 and the fourth side 26 are opposite to each other.

The first end 21 is provided with a first leg 211. The first leg 211 is provided with a first sliding slot 212 and a first through hole 213 extending in a horizontal direction. The first sliding slot 212 extends in a vertical direction. The second end 22 is provided with a second leg 221. The second leg 221 is provided with a second sliding slot 222 and a second through hole 223 extending in a horizontal direction. The second sliding slot 222 extends in a vertical direction. The first side 23 is located above the vertical direction of the body 20, and the third side 25 is located below the vertical direction of the body 20. The first side 23 is provided with a first supporting wall 231, and the second side 24 is disposed. There is a second supporting wall 241 , the first supporting wall 231 and the second supporting wall 241 are integrally formed. The first supporting wall 231 and one end of the second supporting wall 241 are connected to the first foot 211 . One end of the first supporting wall 231 and the second supporting wall 241 is different from the second leg 221 .

Please refer to FIG. 5 and FIG. 6 for a cross-sectional structural view of the working machine for quickly clamping the object. The guiding device 30 includes an guiding device 31, a pivot rod 32 and a rebounder 33. One end of the guiding device 31 is provided with a first connecting portion 311 and the other end is provided with a different one. A second connecting portion 312 is disposed between the first connecting portion 311 and the second connecting portion 312. The first connecting portion 311 is disposed on the main body 20 and adjacent to the first end 21, The second connecting portion 312 is slidably disposed in the body 20 adjacent to the second end 22 . The guiding portion 313 is adjacent to the first side 23 and is associated with the first connecting portion 311 and the second connecting portion 312 . The deflector 31 is movable relative to the body 20 between a first position and a second position, the guide portion 313 is adjacent to the body 20 when the guide 31 is in the first position, and the guide 31 is in the second position The guiding portion 313 is away from the body 20.

The pivoting rod 32 is pivotally disposed on the body 20, and one end of the pivoting rod 32 is adjacent to the first end 21 and the other end is adjacent to the second end 22. The pivoting rod 32 is connected with a first push rod 321 and a a second push rod 322, the first push rod 321 abuts against the first connecting portion 311, the second push rod 322 abuts against the second connecting portion 312, and the guiding rod can be pushed when the pivot rod 32 rotates 31 moves to the first position.

The rebounder 33 is coupled to the body 20, and the rebounder 33 is capable of pushing the guide 31 to move to the second position. The rebounder 33 includes a first spring 331 and a second spring 332. One end of the first spring 331 is fixedly coupled to the first foot 211 and the other end is pushed against the guide 31. One end of the second spring 332 is fixedly coupled to the second leg 221 and the other end of the second spring 332 is pushed against the guide 31. The first spring 331 and the second spring 332 are torque springs in this embodiment.

The guide 31 includes a first sliding member 34, a second sliding member 35 and a guiding member 36. The first connecting portion 311 is disposed at an end of the first sliding member 34 adjacent to the body 20. The second connecting portion 312 is disposed at an end of the second sliding member 35 adjacent to the body 20. The two ends of the guiding member 36 are connected to the first sliding member 34 and the second sliding member 35. Different from one end of the body 20. The first sliding member 34 is different from the one end of the body 20 and is provided with a first sliding rail 341 extending from a position adjacent to the second side 24 toward a direction adjacent to the fourth side 26 . The second sliding member 35 is different from the one end of the body 20 and is provided with a second sliding rail 351. The second sliding rail 351 is adjacent to the first sliding rail 351. The two sides 24 are disposed in a direction adjacent to the fourth side 26, and the two ends of the guiding member 36 are respectively slidably disposed on the first sliding rail 341 and the second sliding rail 351.

The first connecting portion 311 of the first sliding member 34 is inserted into the first foot 211 by the first side 23, and the first sliding member 34 is connected with a first positioning member 342 and is provided with a first The first positioning member 342 is inserted into the first connecting portion 311 and inserted into the first sliding slot 212. The first knob 343 is screwed to the first positioning member 342 and abuts against the first positioning member 342. The first foot 211 is different from one side of the second foot 221 . The second connecting portion 312 of the second sliding member 35 is inserted into the second leg 221 by the first side 23, and the second sliding member 35 is connected with a second positioning member 352 and is provided with a second portion. The second positioning member 352 is inserted into the second connecting portion 312 and inserted into the second sliding slot 222. The second knob 353 is screwed to the second positioning member 352 and abuts against the second positioning portion 352. The second foot 221 is different from one side of the first foot 211.

The pivot 32 is simultaneously inserted into the first through hole 213 and the second through hole 223. One end of the pivot rod 32 is connected with a handle 323. The handle 323 can rotate synchronously with the pivot rod 32. The handle 323 is located at the first end. A foot 211 is different from one side of the second foot 221 . The first rod 324 is sleeved with a first sleeve 326, and the first screw 326 is locked and abutted against the first sleeve 324. The second rod 325 is screwed to a second screw 327, and the second screw 327 is locked and abuts against the pivot rod 32. One end of the first push rod 321 is screwed to the first collar 324 along the radial direction of the pivot rod 32. The first push rod 321 is sleeved with a first nut 328. The first screw The cap 328 abuts against the outer circumference of the first collar 324. One end of the second push rod 322 is screwed to the second collar 325 along the radial direction of the pivot rod 32. The second push rod 322 is screwed. The sleeve is provided with a second nut 329 that abuts against the outer circumference of the first collar 324.

The clamping device 40 includes a first clamping group 41 and a second clamping group 42. The first clamping group 41 includes a first pressing member 411, a first locking member 412, and a second locking member. a first compression member 411, a first compression spring 414, and a second compression spring 415, the first pressure member 411 corresponding to the first support wall 231, the first locking member 412 and the second locking member 413 passing through the first pressure The first locking member 412 and the second locking member 413 are respectively adjacent to different ends of the first pressing member 411, and the first compression spring 414 is sleeved. The first compression member 415 is disposed on the second locking member 413, and the first compression spring 414 and the second compression spring 415 are located at the first pressing member 411 and the first Between the support walls 231.

The second clamping group 42 includes a second pressing member 421, a third locking member 422, a fourth locking member 423, a third compression spring 424 and a fourth compression spring 425. The second pressing member 421 Corresponding to the second supporting wall 241, the third locking member 422 and the fourth locking member 423 are passed through the second pressing member 421 and are screwed to the second supporting wall 241. The third locking member 422 is The fourth locking member 423 is adjacent to the two ends of the second pressing member 421. The third compression spring 424 is sleeved on the third locking member 422. The fourth compression spring 425 is sleeved on the fourth locking member. 423, and the third compression spring 424 and the fourth compression spring 425 are located between the second pressing member 421 and the second supporting wall 241.

Please refer to FIG. 7 to FIG. 9 for further use of the working machine of the quick-clamping object of the present invention. The tool machine 10 can quickly hold objects by the above structure, and is convenient for the operator to operate. When the worker wants to hold the object, the object can be placed in the position between the guide 31 and the body 20, and the handle 31 can be pressed by one hand to press the guide 31, and the other hand can The position of the adjustment object is aligned with the guiding portion 313, and finally the first knob 343 and the second knob 353 are locked to fix the position of the guiding device 31.

As described above, the present invention can be summarized as follows: 1. The working machine for quickly clamping an object of the present invention, wherein the working machine comprises a body and a guiding device, the body is provided with a first horizontal direction One end and a second end different from the first end, the outer circumference between the first end and the second end are sequentially provided with a first side, a second side, a third side and a a fourth side, the first side and the third side are opposite to each other, the second side and the fourth side are opposite to each other, the guiding device comprises an introducer, a pivot rod and a rebounder, the guide One end of the deflector is provided with a first connecting portion and the other end is provided with a second connecting portion, and a guiding portion is disposed between the first connecting portion and the second connecting portion, the first connecting portion Sliding on the body and adjacent to the first end, the second connecting portion is slidably disposed on the body and adjacent to the second end, the guiding portion is adjacent to the first side and is connected to the first connecting portion and the second connecting portion Linked between the first position and the second position When the guide is in the first position, the guiding portion is close to the body, and when the guiding device is in the second position, the guiding portion is away from the body, and the pivoting rod is pivotally disposed on the body, the pivot One end of the rod is adjacent to the first end and the other end adjacent to the second end is adjacent to the second end, the pivot rod is connected with a first push rod and a second push rod, and the first push rod abuts against the first connecting portion The second push rod abuts against the second connecting portion, the pivot rod can rotate the guide to move to the first position, the rebounder is coupled to the body, and the rebounder can push the guide The deflector moves to the second position, and the machine tool can quickly hold the object by the above structure.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, so that the numerical value is changed or the equivalent element is replaced, or the equivalent of the scope of the patent application of the present invention. Changes and modifications are still within the scope of the invention patent.

Claims (8)

A working machine for rapidly clamping an object, comprising: a body, the body is disposed with a first end in a horizontal direction and a second end different from the first end, the first end and the second end The outer circumference between the ends is sequentially provided with a first side, a second side, a third side and a fourth side, the first side and the third side being opposite to each other, the second side and the fourth side The sides are opposite to each other; a guiding device comprising an introducer, a pivot rod and a rebounder, one end of the guide is provided with a first connecting portion and the other end is provided with a second connecting portion, a guiding portion is disposed between the first connecting portion and the second connecting portion, the first connecting portion is slidably disposed on the body and adjacent to the first end, and the second connecting portion is slidably disposed Adjacent to the second end, the guiding portion is adjacent to the first side and is interlocked with the first connecting portion and the second connecting portion, and the guiding device is capable of being opposite between the first position and the second position Moving the body, the guiding portion is close to the body when the guiding device is in the first position, When the guide is in the second position, the guiding portion is away from the body, the pivoting rod is pivotally disposed on the body, one end of the pivoting rod is adjacent to the first end, and the other end is different from the second end, the pivot The rod is connected with a first push rod and a second push rod, the first push rod abuts against the first connecting portion, the second push rod abuts against the second connecting portion, and the pivot rod can be moved when rotated The guide moves to a first position, the rebounder is coupled to the body, and the rebounder is capable of pushing the guide to move to the second position. The working machine of the quick-clamping object of claim 1, wherein the first end is provided with a first foot, the first foot is provided with a first sliding slot in a horizontal direction, the first sliding The slot extends in a vertical direction, the second end is provided with a second leg, the second leg is disposed with a second sliding slot in a horizontal direction, the second slot extends in a vertical direction, and the first side is located The body is upward in a vertical direction, the third side is located below the body in a vertical direction, and the guide includes a first slip a first sliding portion is disposed at an end of the first sliding member adjacent to the body, and the second connecting portion is disposed adjacent to the body of the second sliding member One end of the first sliding member is different from the one end of the body, and the first connecting portion of the first sliding member is separated from the first side by the first side The first sliding member is coupled to the first positioning member and is provided with a first positioning member. The first positioning member is disposed at the first connecting portion and is inserted into the first positioning portion. The first knob is screwed to the first positioning member and abuts against a side of the first foot that is different from the second foot, and the second connecting portion of the second sliding member The second sliding member is connected to the second positioning member, and the second sliding member is connected to the second positioning member and is provided with a second knob. The second positioning member is inserted through the second connecting portion and inserted. Provided in the second sliding slot, the second knob is screwed to the second positioning member and abuts against the second foot, which is different from the first foot. . The working machine for quickly clamping the object according to claim 2, wherein the first sliding member is different from the one end of the body, and a first sliding rail is disposed adjacent to the second side. Positioning adjacent to the fourth side, the second sliding member is different from the end of the body, and a second sliding rail is disposed. The second sliding rail is adjacent to the fourth side by the position adjacent to the second side. The two sides of the guiding member are respectively slidably disposed on the first sliding rail and the second sliding rail. The working machine for quickly clamping the object according to claim 2 or 3, wherein the first foot is provided with a first through hole in a horizontal direction, and the second leg is provided with a second through hole in a horizontal direction. The pivoting rod is simultaneously inserted into the first through hole and the second through hole. One end of the pivoting rod is connected with a handle, and the handle is rotatable in synchronization with the pivoting rod. The handle is located at the first foot. One side of the second foot. The working machine for quickly clamping the object according to claim 4, wherein the pivot sleeve is provided with a first collar and a second collar, and the first collar is screwed to a first screw. , the The first screw is locked and abuts against the pivot rod. The second sleeve is screwed to the second screw. The second screw is locked and abuts against the pivot rod. One end of the first push rod A first screw is screwed to the first collar along a radial direction of the pivot rod, and the first nut is screwed to a first nut, and the first nut abuts against the outer circumference of the first collar One end of the second push rod is screwed to the second collar along the radial direction of the pivot rod, and the second push rod is sleeved with a second nut, and the second nut abuts against The outer circumference of the first collar. The work machine of the quick-clamping object of claim 5, wherein the rebounder comprises a first spring and a second spring, one end of the first spring is fixedly connected to the first foot and different The other end of the pusher pushes the guide, one end of the second spring is fixedly connected to the second foot and the other end of the second pushes the guide. The working machine for quickly clamping an object according to claim 6, wherein the first spring and the second spring are torsion springs. The working machine for quickly clamping an object according to claim 7, wherein the first side is provided with a first supporting wall, and the second side is provided with a second supporting wall, the first supporting wall and the second The support wall is integrally formed, and the first support wall and one end of the second support wall are connected to the first foot, and the first support wall and the second support wall are different from one end of the first foot. In the second foot, the machine tool table includes a clamping device, the clamping device includes a first clamping group and a second clamping group, the first clamping group includes a first pressure a first locking member, a second locking member, a first compression spring and a second compression spring, the first pressing member corresponding to the first supporting wall, the first locking member and the second locking member are worn The first pressing member is connected to the first supporting wall in a screw-locking manner, and the first locking member and the second locking member are respectively adjacent to different ends of the first pressing member, and the first compression spring is sleeved In the first locking member, the second compression spring is sleeved on the second locking member, and The first compression spring and the second compression spring are located between the first pressing member and the first supporting wall, and the second clamping group comprises a second pressing member, a third locking member and a fourth locking member. a third compression spring and a fourth compression spring, the second pressing member corresponding to the second supporting wall, the third locking member and the fourth locking member passing through the second pressing member and being screw-locked In the second supporting wall, the third locking member and the fourth locking member are respectively adjacent to different ends of the second pressing member, and the third compression spring is sleeved on the third locking member, the fourth compression spring The fourth locking member is disposed between the second pressing member and the second supporting wall.