CN215511358U - Pipe cutting knife convenient for tool changing - Google Patents
Pipe cutting knife convenient for tool changing Download PDFInfo
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- CN215511358U CN215511358U CN202122218657.3U CN202122218657U CN215511358U CN 215511358 U CN215511358 U CN 215511358U CN 202122218657 U CN202122218657 U CN 202122218657U CN 215511358 U CN215511358 U CN 215511358U
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- positioning pin
- pressing key
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Abstract
The utility model provides a pipe cutter convenient for cutter changing, which comprises a shell and a blade movably arranged in the shell, wherein the shell is hinged with a handle; the blade positioning mechanism comprises a positioning pin, a positioning groove is formed in the blade, the positioning pin is arranged in the positioning groove, a pressing key is arranged on the positioning pin, and the positioning pin can be separated from the positioning groove and the blade can be separated from the positioning pin by pressing the pressing key. The utility model relates to a pipe cutter convenient for tool changing, which is matched with a blade in a positioning way through a positioning pin and a pressing key arranged in a shell, the positioning pin can be driven to be separated from a positioning groove on the blade after the pressing key is pressed down, the blade is unlocked, so that the blade is taken out of the shell, a reset spring can drive the positioning pin to reset when the blade is arranged, and then the blade is automatically locked, and the pipe cutter is convenient for tool changing without unscrewing a connecting piece through a spanner.
Description
Technical Field
The utility model relates to the technical field of pipe cutters, in particular to a pipe cutter convenient for cutter changing.
Background
The pipe cutter is one of the tools frequently used in piping engineering, and is mainly used for cutting and segmenting a pipe body and connecting pipelines such as electric pipelines, water pipelines, gas pipelines and the like. The traditional and conventional tube cutter structure is mostly provided with two handles which can be mutually abutted, wherein the top end of one handle is provided with a blade, the top end of the other handle is provided with an arc-shaped clamping opening, and a connecting rod, a ratchet piece and a ratchet block are arranged between the two handles. When a user presses the handles, the two handles can be closed oppositely through the meshing action between the ratchet sheet body and the ratchet block and the linkage action of the connecting rod, so as to drive the cutting knife to cut the pipe body; the blade inside the existing pipe cutter shell is positioned and installed through the screws and the nuts on the two sides of the shell, when the blade is replaced, the screw can be drawn out only by unscrewing the nut through a spanner, and the cutter changing is inconvenient.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the technical problem of providing a pipe cutter convenient for tool changing so as to solve the problem that the pipe cutter in the prior art is inconvenient to tool change.
(II) technical scheme
In order to solve the technical problem, the utility model provides a pipe cutter convenient for cutter changing, which comprises a shell and a blade movably arranged in the shell, wherein the shell is hinged with a handle; the blade positioning mechanism comprises a positioning pin, a positioning groove is arranged on the blade, the positioning pin is arranged in the positioning groove, and a pressing key is arranged on the positioning pin; specifically, a through groove is formed in one side of the positioning groove, the diameter of the positioning pin is larger than the width of the through groove, the diameter of the pressing key is smaller than the width of the through groove, one end of the pressing key is connected into the positioning pin through threads, a return spring is sleeved on the pressing key, and one end of the return spring abuts against the blade after installation; under a normal state, the reset spring pushes up the pressing key, so that the positioning pin is arranged in the positioning groove, the positioning pin cannot be separated from the positioning groove at the moment, the blade cannot move, when the pressing key is pressed downwards, the pressing key drives the positioning pin to descend and then separate from the positioning groove, the pressing key is arranged in the positioning groove at the moment, and the blade can be taken out of the shell because the diameter of the pressing key is smaller than the width of the through groove.
Furthermore, one side of the shell is provided with a first positioning table, the end part of the press key is arranged in the first positioning table, the end part of the press key is provided with a hexagonal positioning part, the first positioning table is provided with a limiting groove corresponding to the positioning part, and the press key is positioned through the limiting groove.
Furthermore, the opposite side of casing is equipped with the second location platform, the tip of locating pin is arranged in the second location platform, the tip of locating pin is equipped with the round platform, be equipped with on the second location platform with the circular slot that the round platform corresponds, through the circular slot will the locating pin location.
Furthermore, an external thread is arranged on the pressing key, an internal thread corresponding to the external thread is arranged on the positioning pin, and a lock catch corresponding to the handle is hinged to the shell.
(III) advantageous effects
The utility model relates to a pipe cutter convenient for tool changing, which is matched with a blade in a positioning way through a positioning pin and a pressing key arranged in a shell, the positioning pin can be driven to be separated from a positioning groove on the blade after the pressing key is pressed down, the blade is unlocked, so that the blade is taken out of the shell, a reset spring can drive the positioning pin to reset when the blade is arranged, and then the blade is automatically locked, and the pipe cutter is convenient for tool changing without unscrewing a connecting piece through a spanner.
Drawings
FIG. 1 is a perspective view of a tube cutter of the present invention for facilitating the exchange of tools;
FIG. 2 is a perspective view of a blade and positioning mechanism of a tube cutter of the present invention for facilitating tool exchange;
FIG. 3 is a perspective view of a blade of a tube cutter of the present invention for facilitating the exchange of the blade;
FIG. 4 is an exploded view of a positioning mechanism for a tube cutter for easy tool exchange according to the present invention;
fig. 5 is a perspective view of a housing of a tube cutter of the present invention for facilitating the exchange of tools.
Fig. 6 is a perspective view of another perspective of the housing of a tube cutter of the present invention for facilitating the exchange of tools.
Wherein: the cutting tool comprises a shell 1, a blade 2, a handle 3, a positioning pin 4, a positioning groove 5, a pressing piece 6, a through groove 7, a return spring 8, a first positioning table 9, a positioning part 10, a limiting groove 11, a second positioning table 12, a circular table 13, a circular groove 14, an external thread 15, an internal thread 16 and a lock catch 17.
Detailed Description
Referring to fig. 1 to 6, in order to solve the above technical problems, the present invention provides a tube cutter convenient for changing a knife, which includes a housing 1 and a blade 2 movably mounted in the housing 1, wherein the housing 1 is hinged with a handle 3, the housing 1 is internally mounted with a blade positioning mechanism, and the blade 2 can be locked and unlocked by the blade positioning mechanism, so as to facilitate the detachment and installation of the blade; specifically, the blade positioning mechanism penetrates through the blade 2 and the handle 3, the blade positioning mechanism comprises a positioning pin 4, a positioning groove 5 is arranged on the blade 2, the positioning pin 4 is arranged in the positioning groove 5, a pressing key 6 is installed on the positioning pin 4, a through groove 7 is arranged on one side of the positioning groove 5, the diameter of the positioning pin 4 is larger than the width of the through groove 7, and the diameter of the pressing key 6 is smaller than the width of the through groove 7. in the embodiment, one end of the pressing key 6 is connected in the positioning pin 4 through threads, a reset spring 8 is sleeved on the pressing key 6, one end of the reset spring 8 abuts against the blade 2 after installation, the reset spring 8 pushes up the pressing key 6 in a conventional state, so that the positioning pin 4 is arranged in the positioning groove 5, because the diameter of the positioning pin 4 is larger than the width of the through groove 7, the blade cannot be taken out at the moment, the pressing key 6 is pressed downwards, the positioning pin 4 is separated from the positioning groove 5, and the pressing key 6 is arranged in the positioning groove 5 at the moment, since the diameter of the pressing key 6 is smaller than the width of the through groove 7, the blade 2 can be taken out through the through groove 7; when installing blade 2, the same needs push down press key 6, and after blade 2 installation was accomplished, reset spring 8 can drive press key 6 and locating pin 4 and reset back automatic locking blade 2.
Referring to fig. 4 to 6, a first positioning table 9 is arranged on one side of the housing 1, the end of the pressing key 6 is arranged in the first positioning table 9, a hexagonal positioning portion 10 is arranged on the end of the pressing key 6, a limiting groove 11 corresponding to the positioning portion 10 is arranged on the first positioning table 9, a second positioning table 12 is arranged on the other side of the housing 1, the end of the positioning pin 4 is arranged in the second positioning table 12, a circular table 13 is arranged on the end of the positioning pin 4, a circular groove 14 corresponding to the circular table 13 is arranged on the second positioning table 12, the resetting spring 8 drives the pressing key 6 and the positioning pin 4 to push up after installation, the circular table 13 plays a limiting role, the positioning mechanism keeps a certain position, and the limiting groove 11 is matched with the positioning portion 10 to keep the pressing key 6 in position.
In this embodiment, be equipped with external screw thread 15 on the key 6 according to the pressure, be equipped with the internal thread 16 that corresponds with external screw thread 15 on the locating pin 4, articulated on the casing 1 have the hasp 17 that corresponds with handle 3 for fixed handle 3.
The utility model relates to a pipe cutter convenient for tool changing, which is matched with a blade in a positioning way through a positioning pin and a pressing key arranged in a shell, the positioning pin can be driven to be separated from a positioning groove on the blade after the pressing key is pressed down, the blade is unlocked, so that the blade is taken out of the shell, a reset spring can drive the positioning pin to reset when the blade is arranged, and then the blade is automatically locked, and the pipe cutter is convenient for tool changing without unscrewing a connecting piece through a spanner.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a pipe cutting knife convenient to tool changing, includes casing (1) and movable mounting blade (2) in casing (1), its characterized in that: a handle (3) is hinged to the shell (1), a blade positioning mechanism is installed in the shell (1), and the blade positioning mechanism penetrates through the blade (2) and the handle (3); the blade positioning mechanism comprises a positioning pin (4), a positioning groove (5) is formed in the blade (2), the positioning pin (4) is arranged in the positioning groove (5), a pressing key (6) is installed on the positioning pin (4), the pressing key (6) is pressed, the positioning pin (4) can be separated from the positioning groove (5), and the blade (2) is separated from the positioning pin (4).
2. The tube cutter facilitating tool changing according to claim 1, characterized in that: a through groove (7) is formed in one side of the positioning groove (5), the diameter of the positioning pin (4) is larger than the width of the through groove (7), and the diameter of the pressing key (6) is smaller than the width of the through groove (7).
3. The tube cutter facilitating tool changing according to claim 1, characterized in that: one end of the pressing key (6) is connected into the positioning pin (4) through threads, a return spring (8) is sleeved on the pressing key (6), and one end of the return spring (8) abuts against the blade (2) after installation.
4. The tube cutter facilitating tool changing according to claim 1, characterized in that: one side of the shell (1) is provided with a first positioning table (9), the end part of the pressing key (6) is arranged in the first positioning table (9), the end part of the pressing key (6) is provided with a hexagonal positioning part (10), and the first positioning table (9) is provided with a limiting groove (11) corresponding to the positioning part (10).
5. The tube cutter facilitating tool changing according to claim 1, characterized in that: the opposite side of casing (1) is equipped with second location platform (12), the tip of locating pin (4) is arranged in second location platform (12), the tip of locating pin (4) is equipped with round platform (13), be equipped with on second location platform (12) with round groove (14) that round platform (13) correspond.
6. The tube cutter facilitating tool changing according to claim 3, characterized in that: the press key (6) is provided with an external thread (15), and the positioning pin (4) is provided with an internal thread (16) corresponding to the external thread (15).
7. The tube cutter facilitating tool changing according to claim 1, characterized in that: the shell (1) is hinged with a lock catch (17) corresponding to the handle (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122218657.3U CN215511358U (en) | 2021-09-14 | 2021-09-14 | Pipe cutting knife convenient for tool changing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122218657.3U CN215511358U (en) | 2021-09-14 | 2021-09-14 | Pipe cutting knife convenient for tool changing |
Publications (1)
Publication Number | Publication Date |
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CN215511358U true CN215511358U (en) | 2022-01-14 |
Family
ID=79796915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202122218657.3U Active CN215511358U (en) | 2021-09-14 | 2021-09-14 | Pipe cutting knife convenient for tool changing |
Country Status (1)
Country | Link |
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CN (1) | CN215511358U (en) |
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2021
- 2021-09-14 CN CN202122218657.3U patent/CN215511358U/en active Active
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