Pipe cutter

Abstract

The utility model relates to the technical field of cutting devices, and discloses a pipe cutter, which comprises a main body support and a cutting knife, the main body support comprises a handle part and a sleeve part, the sleeve part comprises a fixed ring and a rotating ring, the fixed ring is connected with the handle part, the rotating ring is rotatably sleeved in the fixed ring, and a pipe fitting to be cut can be arranged in the rotating ring in a penetrating manner. The rotating pipe fitting can drive the rotating ring to rotate synchronously. The cutting knife is arranged on the handle part in a sliding mode and can move in the extending direction of the handle part, the included angle is formed between the axial direction of the fixing ring and the extending direction of the handle part, and when the cutting knife moves to abut against the pipe fitting, the cutting knife can conduct annular cutting on the pipe fitting when the pipe fitting is rotated. Compared with the mode that a blade is used for cutting the pipe fitting in the axial direction of the pipe fitting, the pipe cutter is used for annularly cutting the pipe fitting, deformation of the pipe fitting in the cutting process can be avoided, friction force can be reduced, the flatness and smoothness of the end face of the cut pipe fitting are guaranteed, and the product quality and the machining efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting devices, in particular to a pipe cutter. Background Art

[0002] In the prior art, a surgical blade is conventionally used for cutting a rubber hose. However, since the rubber hose provides a resistance to the surgical blade when being cut, the rubber hose is easily deformed during cutting, resulting in an uneven end face of the finished product. However, semiconductor products have high requirements for appearance, which requires repeated correction of the end face of the finished product, resulting in low processing efficiency.

[0003] Therefore, a pipe cutter is needed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a pipe cutter which can improve the pipe cutting efficiency and ensure the processing quality of the rear end surface of the cut pipe.

[0005] As conceived above, the technical solution adopted by the utility model is:

[0006] A pipe cutter is provided, comprising:

[0007] The main body bracket includes a handle portion and a sleeve portion, the sleeve portion includes a fixed ring and a rotating ring, the fixed ring is connected to the handle portion, and the axial direction of the fixed ring is arranged at an angle with the extension direction of the handle portion; the rotating ring is rotatably sleeved in the fixed ring, and the pipe to be cut can be inserted into the rotating ring and drive the rotating ring to rotate;

[0008] A cutting knife is slidably arranged on the handle portion, and the cutting knife can move along the extending direction of the handle portion, and the cutting knife is used to cut the pipe fitting.

[0009] Optionally, the handle portion includes a hand piece, a mounting groove is provided on the hand piece, the mounting groove extends along the extension direction of the handle portion, the cutting knife includes a knife holder and a blade, the knife holder is slidably disposed in the mounting groove, the blade is disposed at the end of the knife holder and can partially extend out of the mounting groove, and the blade is used to cut the pipe.

[0010] Optionally, the mounting groove has a first end and a second end in the extension direction of the handle portion, the first end is farther away from the sleeve portion than the second end, and the first end passes through the handle portion.

[0011] Optionally, the handle portion further includes a fixing member, which is disposed at a notch of the mounting slot, and the fixing member is slidably abutted against the cutting knife on one side of the mounting slot.

[0012] Optionally, in the groove depth direction of the installation groove, the plane where the groove opening of the installation groove is located is coplanar with the plane where the side of the sleeve portion facing the blade is located;

[0013] A limiting groove is arranged on one side of the fixing member facing the installation groove, and the limiting groove is arranged along the extending direction of the handle portion. A part of the cutting knife is located in the installation groove, and another part of the cutting knife is located in the limiting groove.

[0014] Optionally, the fixing member includes an end fixing member, the end fixing member is arranged on the mounting groove and located at the first end, and the end fixing member is used to seal the first end.

[0015] Optionally, the end fixing member includes a main board and a side board, the side board is arranged on the side of the main board away from the sleeve portion, the main board is provided with the limiting groove, the cutting knife is slidably arranged in the limiting groove and can abut against the side board.

[0016] Optionally, the fixing member further includes a middle fixing member, the middle fixing member is spaced apart from the end fixing members, and the limiting groove on the middle fixing member passes through the middle fixing member.

[0017] Optionally, an anti-slip portion is provided on the cutting knife, and the anti-slip portion is provided on a side of the cutting knife away from the handle portion.

[0018] Optionally, the axial direction of the rotating ring is perpendicular to the extension direction of the handle portion.

[0019] The beneficial effects of the utility model are:

[0020] The pipe cutter proposed in the utility model comprises a main body support and a cutting knife, the main body support comprises a handle part and a sleeve part, the sleeve part comprises a fixed ring and a rotating ring, the fixed ring is connected to the handle part, the rotating ring is rotatably sleeved in the fixed ring, the pipe to be cut can be inserted in the rotating ring, and the rotating pipe can drive the rotating ring to rotate synchronously. The cutting knife is slidably arranged on the handle part, the cutting knife can move along the extension direction of the handle part, the axial direction of the fixed ring is arranged at an angle with the extension direction of the handle part, then when the cutting knife moves to abut against the pipe, the cutting knife will be able to cut the pipe, and when the pipe is rotated so that the pipe and the rotating ring rotate relative to the fixed ring, that is, the cutting knife, the cutting knife will be able to perform annular cutting on the pipe. Compared with cutting along the axial direction of the pipe using a blade, the annular cutting of the pipe by using a pipe cutter can not only avoid deformation of the pipe during the cutting process, but also reduce friction, ensure the flatness and smoothness of the end face of the pipe after cutting, and improve product quality and processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1It is a structural schematic diagram of a pipe cutter provided by an embodiment of the utility model;

[0022] Figure 2 It is a partial structural schematic diagram of a pipe cutter provided by an embodiment of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the end fixing member provided by an embodiment of the utility model;

[0024] Figure 4 It is a schematic diagram of the structure of the middle fixing member provided in an embodiment of the utility model;

[0025] Figure 5 It is a structural schematic diagram of a cutting knife provided in an embodiment of the utility model.

[0026] In the figure:

[0027] 1. Casing part; 11. Rotating ring; 12. Fixed ring;

[0028] 2. handle; 21. hand piece; 210. mounting slot; 2101. first end; 2102. second end;

[0029] 22, fixing piece; 220, limiting groove; 221, end fixing piece; 222, middle fixing piece;

[0030] 3. cutting knife; 31. knife holder; 311. anti-slip portion; 32. blade. DETAILED DESCRIPTION

[0031] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the present invention are further described below in conjunction with the accompanying drawings and through specific implementation methods. It is understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for the convenience of description, only the parts related to the present invention are shown in the accompanying drawings, rather than all of them.

[0032] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0034] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0035] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0036] like Figures 1 to 5 As shown, this embodiment provides a pipe cutter, including a main body support and a cutting knife 3. The main body support includes a handle portion 2 and a sleeve portion 1. The sleeve portion 1 includes a fixed ring 12 and a rotating ring 11. The rotating ring 11 is rotatably sleeved in the fixed ring 12. The pipe to be cut can be inserted into the rotating ring 11. The outer diameter of the pipe is consistent with the inner diameter of the rotating ring 11. The pipe is inserted into the rotating ring 11. Rotating the pipe can drive the rotating ring 11 to rotate synchronously relative to the fixed ring 12. The cutting knife 3 is slidably arranged on the handle portion 2. The cutting knife 3 can move along the extension direction of the handle portion 2. The handle portion 2 is connected to the fixed ring 12. The axial direction of the fixed ring 12 is arranged at an angle with the extension direction of the handle portion 2. When the cutting knife 3 moves to abut the pipe, the cutting knife 3 will be able to cut the pipe. When the pipe is rotated so that the pipe and the rotating ring 11 rotate relative to the fixed ring 12, that is, the cutting knife 3, the cutting knife 3 will be able to perform annular cutting on the pipe. When the pipe cutter of this embodiment cuts the pipe fitting, the cutting force is not applied to the outer peripheral surface of the pipe fitting along the axial direction of the pipe fitting, but is applied to the outer peripheral surface of the pipe fitting along the circumferential direction of the pipe fitting, which can not only avoid the deformation of the pipe fitting during the cutting process, but also reduce the friction force, ensure the flatness and smoothness of the end face of the pipe fitting after cutting, and improve product quality and processing efficiency.

[0037] In this embodiment, the axial direction of the rotating ring 11 is perpendicular to the extension direction of the handle portion 2. The extension direction of the handle portion 2 is the sliding direction of the cutting knife 3. The axial direction of the rotating ring 11 is perpendicular to the extension direction of the handle portion 2, that is, the axial direction of the pipe is perpendicular to the cutting knife 3, which is convenient for operation. Since the axial direction of the rotating ring 11 is set at an angle to the extension direction of the handle portion 2, the cutting knife 3 can be abutted against the outer peripheral surface of the pipe to achieve cutting of the pipe. Therefore, in other embodiments, the angle between the axial direction of the rotating ring 11 and the extension direction of the handle portion 2 may not be a right angle.

[0038] Furthermore, if Figure 2 As shown, the handle 2 includes a hand piece 21, and a mounting groove 210 is provided on the hand piece 21. The mounting groove 210 extends along the extension direction of the handle 2. The cutting knife 3 includes a knife holder 31 and a blade 32. The knife holder 31 is slidably arranged in the mounting groove 210. The blade 32 is arranged at the end of the knife holder 31 and can extend out of the mounting groove 210. The blade 32 is used to cut the pipe. Optionally, the blade 32 and the knife holder 31 are detachably connected. After multiple cutting operations, if the blade 32 is damaged, the blade 32 can be replaced separately. In addition, the length of the mounting groove 210, that is, the size of the mounting groove 210 in the extension direction of the handle 2 is greater than the length of the knife holder 31, so as to ensure that the cutting knife 3 can move relative to the handle 2. The width of the mounting groove 210, that is, the size of the mounting groove 210 in the extension direction perpendicular to the handle 2, is equal to the maximum width of the knife holder 31, so as to prevent the cutting knife 3 from shaking along the extension direction perpendicular to the handle 2 and ensure the stability of cutting.

[0039] Specifically, the mounting groove 210 has a first end 2101 and a second end 2102 in the extension direction of the handle portion 2, the first end 2101 is farther away from the sleeve portion 1 than the second end 2102, and the first end 2101 passes through the handle portion 2. In specific implementation, the cutting knife 3 can be inserted into the mounting groove 210 from the first end 2101 to facilitate the assembly of the cutting knife 3 and the main body bracket.

[0040] Optionally, the handle portion 2 further includes a fixing member 22, which is disposed at the notch of the mounting groove 210, and the fixing member 22 is slidably abutted against the cutting blade 3 on the side facing the mounting groove 210. In a specific implementation, the fixing member 22 is at least partially located on the side of the mounting groove 210 away from the groove bottom, and the fixing member 22 is used to block part of the notch of the mounting groove 210 to prevent the cutting blade 3 from detaching from the notch of the mounting groove 210.

[0041] In other embodiments, the installation groove 210 can also be set as a shrinkage groove. Then, when the cutting knife 3 is inserted into the installation groove 210 from the first end 2101, the cutting knife 3 cannot be detached from the groove because the size of the groove opening is smaller than the size of the groove bottom.

[0042] In this embodiment, in the groove depth direction of the mounting groove 210, the plane where the groove opening of the mounting groove 210 is located is coplanar with the plane where the side of the sleeve portion 1 facing the blade 32 is located. In order to allow the knife holder 31 to be slidably set in the mounting groove 210, and the blade 32 can extend out of the mounting groove 210, a limiting groove 220 is set on the side of the fixing member 22 facing the mounting groove 210, and the limiting groove 220 is set along the extension direction of the handle portion 2, so that a part of the cutting knife 3 is located in the mounting groove 210, and the other part of the cutting knife 3 is located in the limiting groove 220.

[0043] In other embodiments, if the knife holder 31 is slidably set in the installation groove 210, and the blade 32 can extend out of the installation groove 210, and the limiting groove 220 is not set on the fixing member 22, then the plane where the slot of the installation groove 210 is located can be made to protrude from the plane where the side of the sleeve portion 1 facing the blade 32 is located, and at the same time, an opening is set on the slot wall of the second end 2102 of the installation groove 210, and the blade 32 of the cutting knife 3 can extend out of the installation groove 210 through the opening, and the knife holder 31 of the cutting knife 3 will abut against the slot wall of the second end 2102.

[0044] Optionally, the fixing member 22 includes an end fixing member 221, which is disposed on the mounting groove 210 and located at the first end 2101, and is used to block the first end 2101. The end fixing member 221 is used to prevent the cutting knife 3 from detaching from the first end 2101 due to excessive movement during use.

[0045] like Figure 3 As shown, in this embodiment, the end fixing member 221 includes a main board and a side panel, and the side panel is arranged on the side of the main board away from the sleeve portion 1. When the end fixing member 221 is arranged on the mounting groove 210, the main board is located above the mounting groove 210, and the side panel is located on one side of the mounting groove 210. A limiting groove 220 is arranged on the main board, and the cutting knife 3 is slidably arranged in the limiting groove 220 and can abut against the side panel.

[0046] Optionally, the fixing member 22 further includes a middle fixing member 222, which is disposed on the mounting groove 210, and the middle fixing member 222 is spaced apart from the end fixing member 221, and the limit groove 220 on the middle fixing member 222 passes through the middle fixing member 222. In specific implementation, since the end fixing member 221 is disposed at the first end 2101 of the mounting groove 210, the middle fixing member 222 must be disposed on the side of the end fixing member 221 close to the sleeve portion 1. Figure 4 As shown, in this embodiment, the end fixing member 221 only includes a main board, and the limiting groove 220 is arranged on the main board and is connected at both ends.

[0047] In specific implementation, according to the extension length of the handle portion 2, multiple middle fixing members 222 can be provided, and multiple middle fixing members 222 are arranged at intervals to ensure the limiting effect on the cutting knife 3. In this embodiment, one middle fixing member 222 and one end fixing member 221 are each provided, and the two are arranged at intervals, and the user can apply external force to the cutting knife 3 through the interval space to push the cutting knife 3 to move along the extension direction of the handle portion 2.

[0048] Alternatively, if Figure 5 As shown, the knife holder 31 is provided with an anti-slip portion 311, and the anti-slip portion 311 is located on the side of the knife holder 31 away from the bottom of the installation slot 210. In specific implementation, the user can hold the hand piece 21 and press the thumb on the knife holder 31, and use the thumb to push the knife holder 31 to drive the blade 32 to move. The anti-slip portion 311 can be used to increase the friction between the thumb and the knife holder 31, so that the user can push the cutting knife 3 to move. In this embodiment, the fixing member 22 includes an end fixing member 221 and a middle fixing member 222, and the anti-slip portion 311 is located between the end fixing member 221 and the middle fixing member 222.

[0049] The above embodiments are only to illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and modifications, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A pipe cutter, characterized in that: include: The main body bracket comprises a handle portion (2) and a sleeve portion (1), wherein the sleeve portion (1) comprises a fixed ring (12) and a rotating ring (11), wherein the fixed ring (12) is connected to the handle portion (2), and the axial direction of the fixed ring (12) is arranged at an angle with the extension direction of the handle portion (2); the rotating ring (11) is rotatably sleeved in the fixed ring (12), and the pipe to be cut can be inserted into the rotating ring (11) and drive the rotating ring (11) to rotate; A cutting knife (3) is slidably arranged on the handle portion (2); the cutting knife (3) can move along the extension direction of the handle portion (2); and the cutting knife (3) is used to cut the pipe.

2. The pipe cutter according to claim 1, characterized in that The handle portion (2) comprises a hand piece (21), a mounting groove (210) is arranged on the hand piece (21), and the mounting groove (210) extends along the extension direction of the handle portion (2); the cutting knife (3) comprises a knife holder (31) and a blade (32), the knife holder (31) is slidably arranged in the mounting groove (210), the blade (32) is arranged at the end of the knife holder (31) and can partially extend out of the mounting groove (210), and the blade (32) is used for cutting the pipe.

3. The pipe cutter according to claim 2, characterized in that: The mounting groove (210) has a first end (2101) and a second end (2102) in the extension direction of the handle portion (2), the first end (2101) being farther away from the sleeve portion (1) than the second end (2102), and the first end (2101) passing through the handle portion (2).

4. The pipe cutter according to claim 3, characterized in that: The handle portion (2) further comprises a fixing member (22), wherein the fixing member (22) is arranged at a notch of the installation slot (210), and the fixing member (22) is slidably abutted against the cutting knife (3) on one side facing the installation slot (210).

5. The pipe cutter according to claim 4, characterized in that In the groove depth direction of the installation groove (210), the plane where the groove opening of the installation groove (210) is located is coplanar with the plane where the side of the sleeve portion (1) facing the blade (32) is located; A limiting groove (220) is provided on one side of the fixing member (22) facing the installation groove (210), and the limiting groove (220) is provided along the extension direction of the handle portion (2); a part of the cutting knife (3) is located in the installation groove (210), and another part of the cutting knife (3) is located in the limiting groove (220).

6. The pipe cutter according to claim 5, characterized in that The fixing member (22) comprises an end fixing member (221), wherein the end fixing member (221) is arranged on the installation groove (210) and is located at the first end (2101), and the end fixing member (221) is used to seal the first end (2101).

7. The pipe cutter according to claim 6, characterized in that The end fixing member (221) comprises a main plate and a side plate, wherein the side plate is arranged on a side of the main plate away from the sleeve portion (1), the main plate is provided with the limiting groove (220), and the cutting knife (3) is slidably arranged in the limiting groove (220) and can abut against the side plate.

8. The pipe cutter according to claim 6, characterized in that The fixing member (22) further comprises a middle fixing member (222), the middle fixing member (222) being arranged at a distance from the end fixing member (221), and the limiting groove (220) on the middle fixing member (222) passing through the middle fixing member (222).

9. The pipe cutter according to any one of claims 1 to 8, characterized in that: An anti-slip portion (311) is provided on the cutting knife (3), and the anti-slip portion (311) is provided on a side of the cutting knife (3) facing away from the handle portion (2).

10. The pipe cutter according to any one of claims 1 to 8, characterized in that: The axial direction of the rotating ring (11) is perpendicular to the extension direction of the handle portion (2).

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