TWI599423B - Pipe cutter structure - Google Patents

Description

Pipe cutter structure

The invention relates to all the tube structures, in particular to a control unit of the pipe cutter structure, which is arranged at the side of the screw, so that the second screwing portion of the control member has a first length, and the length direction of the first length It is parallel with the axis of the screw, so that the second screwing portion has a large meshing distance with the screw, and the screw has a large supporting force.

As is known in the prior art, the conventional pipe cutter structure, such as the U.S. Patent No. 3,145,469, is based on a body 1 which is in the form of a C-shaped body, and the body 1 is pivotally provided with a plurality of ends. The first body 2 is provided with an accommodating space 4, and the accommodating space 4 is provided with a first pivot portion 11; a moving rod 5, which is a rod-shaped external thread The moving rod 5 is pivotally disposed at the first pivot portion 11 , and the moving rod 5 is rotatable and displaceable at the first pivot portion 11 . The moving rod 5 is provided with a rotating portion 6 at one end for the user. Rotating, the moving rod 5 is provided with a top portion 7 at the other end; a moving seat 8 is pivotally disposed on the body 1 and abuts against the top portion 7, and the moving seat 8 is provided with a second knife The body 10 has a second body 10 that is opposite to the first body 2, and the second body 10 has a circular shape. When the moving rod 5 is rotated and displaced at the first pivot portion 11, The movable seat 8 can be moved to adjust the distance between the second body 10 and the first body 2; a pressing member 14 is pivoted to the body 1 by the second pivot 15 The engaging member 18 is provided with an engaging portion 18 at one end thereof, and the engaging portion 18 is engaged with the external thread of the moving rod 5; an elastic member 17 elastically abuts against the body 1 and the pressing member 14 The user can press the pressing member 14 to compress the elastic member 17 by the pressing member 14. The engaging portion 18 is disengaged from the moving rod 5, and the moving rod 5 can be The first pivot portion 11 is linearly displaced.

However, the missing structure of this conventional pipe cutter is:

1. As shown in the first figure of the bulletin, the axis of the second pivot rod 15 is perpendicular to the axis of the moving rod 5, so that the pressing member 14 can only be provided with a meshing portion at one end. 18, the engaging portion 18 is engaged with the external thread of the moving rod 5, such that the pressing member 14 is at least one half of the length, and the engaging portion 18 is engaged with the moving rod 5, and the length of the engaging portion is Shorter, the support of the moving rod 5 is insufficient.

2. When the moving rod 5 is rotated and displaced at the first pivot portion 11, the arc displacement of the moving seat 8 can be driven to adjust the distance between the second body 10 and the first body 2, but The distance that the movable seat 8 can be displaced by the arc displacement is small and limited, and the adjustment space is small and inconvenient to use.

3. The moving seat 8 is in the form of an arc displacement, and the relative position difference between the second body 10 and the first body 2 is different when the second body 10 and the first body 2 are There is a loss when cutting the tube.

In view of the above-mentioned lack of the conventional pipe cutter structure, the inventors have been engaged in the manufacturing and design experience of related industries for many years, and finally have a product that can solve the drawbacks of the pipe cutter structure.

The problem to be solved by the invention is that the pressing member of the conventional pipe cutter structure is only one of the lengths, and the engaging portion is meshed with the moving rod, and the length of the meshing between the two is short. The pipe cutter structure of the present invention is short. The control member is disposed at a side of the screw, so that the second screwing portion of the control member has a first length, and the length direction of the first length is parallel to the axis of the screw, so that the second control member The screwing portion has a large meshing distance with the screw, and the screw has a large supporting force.

Technical means for solving the problem: a pipe cutter structure, comprising: a system having a first pivot portion, a receiving groove, a first sliding rail and a first pivot hole; all the wheel systems are pivotally disposed on the body; The slip group is slidably disposed on the first slide rail, the slip group includes: a slip seat, two first pivot rods and two rollers; a screw group is assembled with the body and the slip group, The screw assembly includes: a screw and a rotating member; at least one control member is disposed at the receiving groove, the control member is in mesh with the screw, and the control member is provided with a second pivot hole, the second pivot hole system Aligning with the first pivot hole; at least one elastic component is received in the cavity of the body, pressing the pressing portion to press the control member against the elastic member, and the control member is disengaged from the screw; A second pivoting rod is pivotally disposed on the first pivot hole of the body and the second pivot hole of the control member, so that the control member is received at the receiving slot without being disengaged.

Controlling the efficacy of the prior art: the second pivot hole of the body and the first pivot The control member is disposed at a side of the screw such that the control member and the second screw portion each have a first length, and the length of the first length is parallel to the axis of the screw Therefore, the second screwing portion of the control member and the first screw portion of the screw have a large meshing distance, and the meshing distance is the first length, and the screw and the control member are Has a large support.

The structure and composition of the present invention are described in conjunction with the drawings and the drawings, and the following description is only for explaining the implementation of the present invention. For example, it is not intended to limit the invention in any way, and any modifications made by the present invention are still within the scope of the invention.

10‧‧‧ Ontology

11‧‧‧ First pivot

12‧‧‧ 容容

121‧‧‧ first relying on the Ministry

13‧‧‧First slide rail

14‧‧‧First pivot hole

20‧‧‧cutting wheel

30‧‧‧slip group

31‧‧‧Slip seat

311‧‧‧Second rail

312‧‧‧First Pivot

313‧‧‧Second Pivot

314‧‧‧Second pivot

315‧‧‧Second junction

316‧‧‧Alignment Department

32‧‧‧First pivot

33‧‧‧Roller

331‧‧‧ Third pivot

34‧‧‧First joint

40‧‧‧ screw group

41‧‧‧ screw

411‧‧‧First screwing

412‧‧‧ Third Pivot

413‧‧‧The fourth faculty

414‧‧‧First set of joints

415‧‧‧ Third Joint Department

42‧‧‧Rotating parts

421‧‧ ‧ room

43‧‧‧Second joint

44‧‧‧ Cover

50‧‧‧Controls

51‧‧‧Second screw joint

511‧‧‧First length

52‧‧‧Second pivot hole

53‧‧‧ Pressing Department

54‧‧‧Capacity

55‧‧‧Second reliance

60‧‧‧Flexible components

70‧‧‧second pivot

The first figure is an exploded perspective view of the pipe cutter structure of the present invention.

The second figure is an exploded perspective view of the slip group of the pipe cutter structure of the present invention.

The third figure is an exploded perspective view of the screw set of the pipe cutter structure of the present invention.

The fourth figure is a perspective view of the pipe cutter structure control member of the present invention.

The fifth figure is a three-dimensional combination diagram of the pipe cutter structure of the present invention.

Figure 6 is a perspective assembled view of some components of the pipe cutter structure of the present invention.

Figure 7 is a front elevational view of the pipe cutter structure of the present invention.

Figure 8 is a cross-sectional view taken along line A-A of the seventh embodiment of the present invention.

Figure 9 is a cross-sectional view showing another operational state of the seventh embodiment A-A of the present invention.

Fig. 10 is a perspective view showing another operational state of the pipe cutter structure of the present invention.

Figure 11 is a perspective exploded view of a second embodiment of the present invention.

Referring first to the first to fourth figures, the first drawing is an exploded perspective view of the pipe cutter structure of the present invention, and the second drawing is an exploded perspective view of the pipe cutter structure slip group 30 of the present invention, and the third drawing. The perspective view of the cutter set 40 of the pipe cutter structure of the present invention, and the fourth figure is a perspective view of the pipe cutter structure control member 50 of the present invention. The present invention relates to a pipe cutter structure, which comprises: The main body 10 is a C-shaped base. The main body 10 is provided with a first pivot portion 11 at one end. The main body 10 is provided with at least one receiving slot 12, and the receiving slot 12 is coupled to the first portion. A first portion 11 is provided with a first abutting portion 121, and the main body 10 is provided with a first sliding portion 13 near the first pivot portion 11 a pivot hole 14 , the first pivot hole 14 is in communication with the receiving slot 12 , the axis of the first pivot hole 14 is parallel to the axis of the first pivot portion 11 , the first pivot The hole 14 is formed in a circular hole shape. The two slots 12 are symmetrical with respect to the first pivot portion 11. The two slots 12 are connected to each other and are continuous. a groove-shaped; all the wheels 20, the cutting wheel 20 is a circular blade body, the cutting wheel 20 is pivotally disposed on the body 10, and the cutting wheel 20 is opposite to the first pivot portion 11, the cutting wheel The 20 series is away from the first pivot portion 11; a slip group 30, as shown in the second figure, the slip group 30 is slidably disposed on the first slide rail 13, and the slip group 30 is The utility model comprises: two sliding seats 31, two first pivot rods 32, two rollers 33 and a first coupling member 34; The two sliding seats 31 are oppositely arranged and are in a relative shape. The two sliding seats 31 are mutually assembled. Each sliding seat 31 is provided with a second sliding rail 311, and the second sliding rail 311 is provided. The slide rail 30 is linearly slidable on the main body 10, and the first pivoting portion 312 and the second pivoting portion are disposed on the side of the sliding seat 31. The first pivoting portion 312 and the second pivoting portion 313 are coaxial, and the first pivoting portion 312 is in communication with the second pivoting portion 313. The first pivoting portion The diameter of the 312 is greater than the diameter of the second pivoting portion 313. The two first pivoting portions 312 are opposite to each other to form a first receiving space, and the two second pivoting portions 313 are opposite to each other to form a second receiving space. The sliding seat 31 is provided with two second pivot portions 314. The second pivot portion 314 has a circular groove shape, and the sliding seat 31 is provided with a second joint portion 315, and the sliding seat 31 thereof The second joint portion 315 is formed in a circular hole shape, and the second joint portion 315 of the other slide seat 31 is internally threaded. The slide seat 31 is provided with two alignment portions 316, one of which is provided. The two alignment portions 316 of the sliding seat 31 are in the shape of a circular convex column. The two alignment portions 316 of a sliding seat 31 are in the shape of a circular groove. When the two sliding seats 31 are assembled, the two aligned portions 316 having a circular convex shape are combined with the other two. The circular groove-shaped alignment portion 316 is sleeved; each of the first pivot rods 32 is pivotally disposed between each of the second pivot portions 314, and the first pivot rod 32 is in the shape of a round rod; The roller 33 is pivotally disposed on the first pivoting rod 32. The third pivoting portion 331 is pivotally disposed with the first pivoting rod 32. The two rollers 33 are coupled to the cutting wheel. 12 is relatively positive; the first coupling member 34 is threaded to each second joint portion 315, so that the two sliding seats 31 are assembled; a screw group 40, please be accompanied by the third figure, The screw set 40 is coupled to the body 10 And the sliding group 30 is assembled. The screw set 40 includes a screw 41, a rotating member 42, a second connecting member 43 and a cover 44. The screw 41 is provided with a first screwing portion 411. A screwing portion 411 is pivotally disposed in the first pivot portion 11 , and the screw 41 is rotatable and displaceable at the first pivot portion 11 . The third end of the screw 41 is provided with a third pivoting portion 412 and a fourth portion. The pivoting portion 413 is pivotally disposed with the first pivoting portion 312, and the fourth pivoting portion 413 is pivotally disposed with the second pivoting portion 313 to cause the screw set 40 The sliding group 30 is disposed at the first pivot portion 11 to displace the sliding group 30 along the first sliding rail 13. The screw 41 is disposed at the other end. The first sleeve portion 414 is non-circular, and the third joint portion 415 is formed in the sleeve portion 414. The third joint portion 415 is in the shape of a screw hole. The rotating member 42 is coupled with the screw 41. The rotating member 42 is rotated by the user to integrally rotate and displace the screw 41 in the first pivot portion 11. The rotating member 42 has a chamber 421 at one end thereof, and the chamber 421 has a circular groove shape. The rotating member 42 is provided with a first a sleeve portion, the second sleeve portion is engaged with the first sleeve portion 414, and the second sleeve portion is provided with a fourth joint portion, the fourth joint portion and the third joint portion 415 The fourth joint portion is formed in a perforated shape; the second joint member 43 is disposed at the fourth joint portion 415 and the fourth joint portion of the rotating member 42 to make the screw 41 and the rotating member The second joint member 43 is externally threaded; the cover 44 is received in the opening of the chamber 421 of the rotating member 42 to close the chamber 421; at least one control member 50, the control member The 50 series is accommodated in the pocket 12 to make the volume The slot 12 is closed. The control member 50 is provided with a second screwing portion 51. The second screwing portion 51 is engaged with the first screwing portion 411. The control member 50 is disposed on the side of the screw 41. The second screwing portion 51 has a first length 511, and the control member 50 and the second screwing portion 51 each have a first length 511, and the length of the first length 511 is coupled to the screw 41. The second pivot hole 52 is convex with the second pivot hole 52, and the second pivot hole 52 is opposite to the first pivot hole 14. The second pivot hole 52 is coupled with the second screw hole. The portion 51 is disposed on the same side of the control member 50, and the second pivot hole 52 is in the shape of a circular hole. The control member 50 is provided with a pressing portion 53 which is slightly exposed outside the body 10. The control member 50 is provided with a spring-receiving groove 54 at a proximal end portion thereof, and the control member 50 is provided with a second abutting portion 55, and the second abutting portion 55 is adjacent to the first abutting portion 121. The control member 50 is two, and the two control members 50 are relatively symmetrical with respect to the screw 41. Each control member 50 is received in each of the pockets 12, and the two control members 50 are The second pivot hole 52 is relatively positive The accommodating groove 54 of the two control members 50 is relatively positive; the elastic member 60 is received by the accommodating groove 12 of the body 10 and the elastic member 60. In the elastic groove 54, one end of the elastic member 60 is elastically abutted against the wall surface of the receiving groove 12, and the other end is elastically abutted against the control member 50, so that the second screwing portion 51 and the first screwing portion When the 411 is engaged, the pressing portion 53 is pressed to press the pressing portion 53 against the elastic member 60 to be compressed, and the second screw portion 51 is disengaged from the first screw portion 411. The elastic member 60 is disengaged. There are two, each elastic member 60 is spring-loaded on each of the control members 50, and the user needs to simultaneously press the pressing portion 53 of the two control members 50; a second pivot 70, the second pivot rod The 70 series is pivotally disposed at the first pivot hole 14 of the body 10 and the second pivot hole 52 of the control member 50, so that the control member 50 is received at the receiving slot 12 without being disengaged.

The body 10, the cutting wheel 20, the slip group 30, the screw set 40, the two control members 50, the two elastic members 60 and the second pivot rod 70 are assembled as shown in FIG. The sixth drawing is a perspective assembled view of some components of the pipe cutter structure of the present invention, and the sixth figure is the body 10 and the cutting wheel 20.

Referring to the seventh and eighth figures, the seventh drawing is a front view of the pipe cutter structure of the present invention, and the eighth drawing is a sectional view of the seventh drawing AA of the present invention, which is clearly shown by the illustration, the slip The set of 30 is slidable on the body 10, the screw set 40 is disposed at the first pivot 11 and is assembled with the slip group 30, the screw set 40 is configurable to the first pivot The portion 11 rotates and displaces, and simultaneously drives the sliding group 30 to linearly slide on the first sliding rail 13 to adjust the distance between the roller 33 and the cutting wheel 20. The control member 50 is relatively accommodated. The second screwing portion 51 is engaged with the first screwing portion 411, and the pressing portion 53 is slightly exposed outside the body 10, and the two elastic members 60 are elastically coupled to the second screwing portion 411. The second pivoting rod 70 is pivotally disposed on the first pivot hole 14 and the second pivot hole 52, so that the control member 50 is assembled with the body 10, and the control member 50 is disposed on the wall surface of the housing 12. Do not leave.

Referring to the ninth and tenth drawings, the ninth drawing is a cross-sectional view showing another operational state of the seventh embodiment of the present invention, and the tenth is a perspective view of another operating state of the pipe cutter structure of the present invention, and simultaneously pressing the same When the pressing portion 53 of the control member 50 is pressed, the pressing portion 53 is displaced inwardly and pressed against the elastic member 60 to compress the elastic member 60. The second screw portion 51 is the first portion. The screwing portion 411 is disengaged, and the user can quickly displace the screw set 40 at the first pivot portion 11 to quickly adjust the distance between the two rollers 33 and the cutting wheel 20. As shown in the tenth figure.

Please continue to refer to FIG. 11 , which is a second embodiment of the present invention. An exploded view, as best shown in the drawings, is provided with only one control member 50 and one elastic member 60.

In another embodiment of the present invention, the pivoting member 32 is integrally formed with the roller 33. The control member 51 is integrally formed with the pressing member 52, that is, the control member 51 is directly protruded and provided with the pressing member 52. .

According to another embodiment of the present invention, the first length 5111 of the second screwing portion 511 of the control member 51 is smaller than the length of the control member 51, that is, the internal thread of the second screwing portion 511 is not full. shape.

In another embodiment of the present invention, the first pivot hole 14 is two, the second pivot holes 52 of the two control members 41 are not opposite, and the second pivot rod 70 is two, each control Each of the second pivot holes 52 of the member 41 is pivotally disposed at each of the first pivot holes 14 and has the same effect.

The pipe cutter structure of the present invention has the following advantages:

The second pivot hole 14 is parallel to the first pivot portion 11. The control member 50 is disposed at a side of the screw 41 so that both the control member 50 and the second screw portion 51 have a first length 511, the length direction of the first length 511 is parallel to the axis of the screw 41, so that the second screwing portion 51 and the first screwing portion 411 have a large meshing distance, The meshing distance is the first length 511, that is, the length of the control member 50, and the screw 41 and the control member 50 have a large supporting force.

2. The present invention is provided with two control members 50 such that the two sides of the screw 40 have the supporting force of the control member 50.

3. The pipe cutter structure is provided with two control members 50, and the pressing of the two control members 50 must be simultaneously pressed. The pressing portion 53 disengages the second screwing portion 51 from the first screwing portion 411, which is a design structure of bilateral pressing, which can prevent the pressing portion 53 from being inadvertently pressed during operation. The second screwing portion 51 is disengaged from the first screwing portion 411. The cutter structure is required to simultaneously press the pressing portion 53 of the two control members 50 to enable the second screwing portion 51 and the second screwing portion 51. The first screwing portion 411 is disengaged and is safe.

4. The slip group 30 of the pipe cutter structure adjusts the distance between the two rollers 33 and the cutter wheel 20 by linear displacement. The linear displacement of the slip group 30 can be moved and the distance adjusted by the space is compared. Big.

5. The slip group 30 is linearly displaced to adjust the distance between the two rollers 33 and the cutter wheel 20, whereby the two rollers 33 and the cutter wheel 20 are in close proximity and away from each other, and the relative position is constant.

The second slide rail 311 of the sliding block 31 of the slip group 30 is slidably disposed with the first slide rail 13 of the main body 10. The screw set 40 is pivotally disposed on the first pivot portion 11 And being arranged in the same direction as the sliding group 30, when the screw group 40 is rotated and displaced in the first pivot portion 11, the sliding group 30 can be simultaneously driven to perform the same direction on the first sliding rail 13 Sliding to quickly adjust the distance between the two rollers 33 and the cutting wheel 20.

7. When the second screwing portion 51 is engaged with the first screwing portion 411, the screw group 40 is rotated, so that the first screwing portion 411 of the screw 41 of the screw group 40 is tied to the second screw portion 41. The screwing portion 51 is meshed and rotated, and the screw set 40 is meshed and displaced to have the effect of finely adjusting the distance between the two rollers 33 and the cutting wheel 20.

Therefore, the structure of the pipe cutter of the invention has deep industrial value, novelty and progress, and can meet the application requirements of the invention patent, and submits an application according to law.

10‧‧‧ Ontology

11‧‧‧ First pivot

12‧‧‧ 容容

121‧‧‧ first relying on the Ministry

13‧‧‧First slide rail

14‧‧‧First pivot hole

20‧‧‧cutting wheel

30‧‧‧slip group

40‧‧‧ screw group

50‧‧‧Controls

60‧‧‧Flexible components

70‧‧‧second pivot

Claims (14)

A pipe cutter structure includes: a body having a first pivot portion penetrating at one end thereof; the system is provided with at least one receiving groove, and the receiving groove is in communication with the first pivot portion. The first slide hole is disposed on the first pivot portion of the body, and the first pivot hole is in communication with the cavity, and the axis of the first pivot hole is Parallel to the axis of the first pivot portion; all the wheels, the cutting wheel is a circular blade body, the cutting wheel is pivotally disposed on the body, the cutting wheel system and the first pivot portion Relatively positive, the cutting wheel system is away from the first pivot portion; a slip group, the slip group is slidably disposed on the first sliding rail, the slipping group includes: a sliding seat, two first a pivoting rod and a second roller; the sliding seat is provided with a second sliding rail, and the second sliding rail is slidably disposed with the first sliding rail, so that the sliding group can linearly slide on the body, The sliding seat is provided with two second pivot portions, wherein the second pivot portion is in the shape of a circular groove; each first pivotal rod is pivotally disposed between each second pivot portion, and the first pivotal rod is rounded Body shape; the roller system is pivoted on the body a pivoting portion, the roller is provided with a third pivot portion, the third pivot portion is pivoted with the first pivoting rod, the two roller rollers are opposite to the cutting wheel; a screw set, the screw set The screw assembly includes: a screw and a rotating member; the screw is provided with a first screwing portion, and the first screwing portion is pivotally disposed in the first pivot portion The screw system is rotatable and displaceable at the first pivot portion, and the screw set is configured to drive the slip group to extend along the first slide rail when the first pivot portion is displaced; the rotating member is coupled to the The screw is combined, and the rotating member is rotated by the user to integrally drive the The screw rotates and displaces in the first pivot portion; at least one control member is disposed at the receiving slot, the control member is provided with a second screwing portion, and the second screwing portion is coupled to the first screwing portion a screwing portion is engaged, the control member is disposed at a side of the screw, the second screwing portion has a first length, and the control member and the second screwing portion each have a first length, the first length a length direction of the length is parallel to the axis of the screw, the control member is convexly provided with a second pivot hole, the second pivot hole is opposite to the first pivot hole, and the second pivot hole is The second screwing portion is disposed on the same side of the control member, the second pivot hole is in the shape of a circular hole, and the control member is provided with a pressing portion, the pressing portion is slightly exposed to the outside of the body; at least one An elastic member is disposed in the receiving groove of the body, and one end of the elastic member is elastically abutted against the wall surface of the receiving groove, and the other end is elastically abutted on the control member to make the second screwing The portion is engaged with the first screwing portion, and the pressing portion is pressed to press the control member against the elastic member to be compressed, and the second screwing portion That is, the first screwing portion is disengaged; a second pivoting rod is pivotally disposed at the first pivot hole of the body and the second pivot hole of the control member to enable the control The piece is placed at the pocket without being disengaged. The pipe cutter structure of claim 1, wherein the system is in the shape of a C-shaped seat, the cavity is provided with a first abutting portion, and the control member is provided with a second abutting portion, The second abutting portion abuts the first abutting portion. The pipe cutter structure of claim 1, wherein the first pivot hole has a circular hole shape, and the two slots are symmetrical with respect to the first pivot portion. The two pockets are connected to each other and have a through-groove shape; the control members are two, the two control members are symmetrical with respect to the screw system, and each control member is accommodated in each pocket The second pivot hole of the two control members is relatively positive and opposite to the first pivot hole, and the elastic element is two, each spring The elastic element is attached to each of the control members, and the user needs to simultaneously press the pressing portion of the two control members. The pipe cutter structure of claim 1, wherein the sliding seat is two, the two sliding seats are oppositely arranged and are in a relative shape, and the two sliding seats are mutually assembled. Each sliding seat is provided with a second sliding rail. The pipe cutter structure of claim 1, wherein the sliding seat is provided with a first pivoting portion and a second pivoting portion, and the first pivoting portion and the second pivoting portion are Concentrically, the first pivoting portion is in communication with the second pivoting portion, the diameter of the first pivot portion is greater than the diameter of the second pivoting portion, and the two first pivoting portions are opposite a second accommodating space is formed in the first accommodating space, and the second erecting portion is opposite to the second accommodating portion. The first pivoting portion is pivoted, and the fourth pivoting portion is pivoted with the second pivoting portion to set the screw set and the slip group. The pipe cutter structure of claim 1, wherein the sliding seat is provided with a second joint portion, wherein the second joint portion of a slip seat has a penetrating circular hole shape, and the other slip The second joint portion of the seat is internally threaded, and the slip group is provided with a first joint member, the first joint member is threadedly screwed to each second joint portion, so that the two slip joints Phase grouping. The pipe cutter structure of claim 1, wherein the sliding seat is provided with two alignment portions, wherein the two alignment portions of a sliding seat are in the shape of a circular convex column, and the other sliding seat The two alignment portions are in the shape of a circular groove. When the two sliding seats are assembled, the two aligned portions of the circular convex column are aligned with the other two grooves. Fit together. The pipe cutter structure of claim 1, wherein the screw end is provided with a non-circular first sleeve portion, and the third joint portion is provided in the sleeve portion, and the third joint portion is Screw hole shape, a second sleeve portion is disposed in the rotating member, the second sleeve portion is engaged with the first sleeve portion, and the second sleeve portion is provided with a fourth joint portion, the fourth joint portion Corresponding to the third joint portion, the fourth joint portion is perforated; the screw assembly is provided with a second joint member, and the second joint member is disposed through the third joint portion and the rotating member. The fourth joint portion combines the screw with the rotating member, and the second joint member has an external thread shape. The cutter structure of claim 1, wherein the rotating member is provided with a chamber at one end, and the chamber is in the shape of a circular groove; the screw assembly is provided with a cover, and the cover is received by the cover The opening of the chamber of the rotating member is closed to close the chamber. The pipe cutter structure of claim 1, wherein the control member is disposed at the receiving groove to make the receiving groove have a closed shape. The pipe cutter structure of claim 1, wherein the control member is provided with a spring-receiving groove at a proximal end portion, and the elastic member is received in the cavity of the body and the magazine. The pipe cutter structure of claim 1, wherein the pivotal system is integral with the roller. The pipe cutter structure of claim 1, wherein the first length of the second screwing portion of the control member is smaller than the length of the control member, that is, the internal thread of the second screw portion is Full of cloth. The pipe cutter structure of claim 1, wherein the first pivot hole is two, the second pivot holes of the two control members are not opposite, and the second pivot system is two. Each second pivot hole of each control member is pivoted at each of the first pivot holes with each second pivot.