CN214081653U - Pipe cutting knife convenient for tool changing - Google Patents
Pipe cutting knife convenient for tool changing Download PDFInfo
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- CN214081653U CN214081653U CN202023067272.3U CN202023067272U CN214081653U CN 214081653 U CN214081653 U CN 214081653U CN 202023067272 U CN202023067272 U CN 202023067272U CN 214081653 U CN214081653 U CN 214081653U
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- positioning hole
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Abstract
The utility model provides a pipe cutting knife convenient for changing a knife, which comprises a shell and a blade movably arranged in the shell, wherein both sides of the shell are respectively provided with a quick-release bolt and a quick-release nut, one end of the quick-release bolt passes through the shell and the blade and then is connected with the quick-release nut, and both sides of the shell are also provided with a first positioning hole corresponding to the quick-release bolt and a second positioning hole corresponding to the quick-release nut; the quick-release bolt is unscrewed, and the blade can be taken out of the shell after the quick-release bolt is pulled out. The utility model relates to a pipe cutting knife convenient to tool changing, the casing both sides of this pipe cutting knife are equipped with hexagon and circular shape locating hole respectively, can cooperate with the quick detach bolt and the quick detach nut of blade both sides, and are equipped with the knob on the quick detach nut, can unscrew the dismantlement with the quick detach nut from the quick detach bolt through the knob, can directly take out the blade in the casing after taking out the quick detach bolt, and this pipe cutting knife tool changing is convenient, need not to unscrew the connecting piece through the spanner.
Description
Technical Field
The utility model relates to a pipe cutting knife technical field especially relates to a pipe cutting knife convenient to tool 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 are closed oppositely through the meshing action between the ratchet sheet body and the ratchet block and the linkage action of the connecting rod, and the cutting knife is driven to cut the tube 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 to-be-solved technical problem of the utility model is to provide a pipe cutting knife convenient to tool changing to overcome the inconvenient problem of pipe cutting knife tool changing among the prior art.
(II) technical scheme
In order to solve the technical problem, the utility model provides a pipe cutting knife convenient for knife changing, which comprises a shell and a blade movably arranged in the shell, wherein both sides of the shell are respectively provided with a quick-release bolt and a quick-release nut, one end of the quick-release bolt passes through the shell and is connected with the quick-release nut after passing through the blade, and both sides of the shell are also provided with a first positioning hole corresponding to the quick-release bolt and a second positioning hole corresponding to the quick-release nut; and the quick-release nut is unscrewed, and the blade can be taken out of the shell after the quick-release bolt is pulled out.
Furthermore, a hexagonal head is arranged at one end of the quick-release bolt, the first positioning hole is a hexagonal positioning hole, the hexagonal head is arranged in the first positioning hole, and the hexagonal head is positioned by the first positioning hole, so that the quick-release bolt cannot rotate; one end of the quick-release nut is provided with a circular truncated cone, the second positioning hole is a circular positioning hole, and the circular truncated cone is arranged in the second positioning hole.
Further, one side of hexagon head is equipped with connecting portion, be equipped with external screw thread portion on the connecting portion, be equipped with on the round platform with the internal thread portion that external screw thread portion corresponds, one side of round platform still is equipped with integrated into one piece's knob, internal thread portion passes the round platform just is arranged in the knob, be equipped with anti-skidding portion on the knob, the length of connecting portion is greater than the interval of casing both sides wall, be equipped with the connecting hole on the blade, connecting portion pass the connecting hole.
(III) advantageous effects
The utility model relates to a pipe cutting knife convenient to tool changing, the casing both sides of this pipe cutting knife are equipped with hexagon and circular shape locating hole respectively, can cooperate with the quick detach bolt and the quick detach nut of blade both sides, and are equipped with the knob on the quick detach nut, can unscrew the dismantlement with the quick detach nut from the quick detach bolt through the knob, can directly take out the blade in the casing after taking out the quick detach bolt, and this pipe cutting knife tool changing is convenient, need not to unscrew the connecting piece through the spanner.
Drawings
FIG. 1 is a perspective view of a casing of a tube cutter of the present invention for facilitating the exchange of tools;
FIG. 2 is a perspective view of the other side of the casing of the tube cutter of the present invention for easy tool changing;
FIG. 3 is a perspective view of a quick release bolt of a pipe cutter facilitating tool changing;
FIG. 4 is a perspective view of a quick release nut of a pipe cutter of the present invention for facilitating tool changing;
fig. 5 is a perspective view of a blade of a tube cutter of the present invention for facilitating the exchange of the blade.
Wherein: the cutting tool comprises a shell 1, a blade 2, a first positioning hole 3, a second positioning hole 4, a hexagonal head 5, a circular truncated cone 6, a connecting part 7, an external threaded part 8, an internal threaded part 9, a knob 10, an anti-skidding part 11 and a connecting hole 12.
Detailed Description
Referring to fig. 1 to 5, in order to solve the above technical problems, the utility model provides a pipe cutter convenient for tool changing, including casing 1 and blade 2 movably mounted in casing 1, both sides of this casing 1 are equipped with quick detach bolt and quick detach nut respectively, the quick detach nut is connected after one end of quick detach bolt passes casing 1 and blade 2, both sides of casing 1 still are equipped with first locating hole 3 corresponding to quick detach bolt and second locating hole 4 corresponding to quick detach nut, unscrew quick detach nut, after taking out quick detach bolt, can take out blade 2 from casing 1; specifically, in this embodiment, a hexagonal head 5 is disposed at one end of the quick release bolt, the first positioning hole 3 is a hexagonal positioning hole, the hexagonal head 5 is disposed in the first positioning hole 3, wherein the hexagonal positioning hole plays a role of positioning the hexagonal head 5, so that the quick release bolt cannot rotate, the first positioning hole 3 is convenient for mounting and positioning the hexagonal head 5 on one hand, and on the other hand, the quick release bolt is prevented from being rotationally worn and abraded along with the blade 2 after being assembled, a connecting portion 7 is disposed at one side of the hexagonal head 5, if the bolt passes through the connecting portion 7 of the blade 2 and cannot be fixed, the bolt can rotate along with the blade 2 after being sheared, dental floss and the like can be generated on the surface of the connecting portion 7 after being worn, so that the bolt is difficult to take out when being disassembled, and even the rotation of the blade 2 during shearing is influenced; one end of the quick-release nut is provided with a circular table 6, the second positioning hole 4 is a circular positioning hole, and the circular table 6 is arranged in the second positioning hole 4; the connecting part 7 is provided with an external thread part 8, the round table 6 is provided with an internal thread part 9 corresponding to the external thread part 8, the connection between the quick-release bolt and the quick-release nut is realized through the external thread part 8 and the internal thread part 9, so that the blade 2 is positioned in the shell 1, one side of the round table 6 is also provided with an integrally formed knob 10, the internal thread part 9 passes through the round table 6 and is arranged in the knob 10, the knob 10 is provided with an anti-slip part 11, the quick-release nut can be screwed off the quick-release bolt by rotating the knob 10, and the hexagonal head 5 of the quick-release bolt can be ejected out after the connecting part 7 is pressed, so that the quick-release bolt can be taken out of the shell 1, and the blade 2 is disassembled; in this embodiment, the length of the connecting portion 7 is greater than the distance between the two side walls of the housing 1, the blade 2 is provided with a connecting hole 12, and the connecting portion 7 penetrates through the connecting hole 12.
The utility model relates to a pipe cutting knife convenient to tool changing, the casing both sides of this pipe cutting knife are equipped with hexagon and circular shape locating hole respectively, can cooperate with the quick detach bolt and the quick detach nut of blade both sides, and are equipped with the knob on the quick detach nut, can unscrew the dismantlement with the quick detach nut from the quick detach bolt through the knob, can directly take out the blade in the casing after taking out the quick detach bolt, realize manual tool changing, and this pipe cutting knife tool changing is convenient, need not to unscrew the connecting piece through the spanner.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
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 quick-release bolt and a quick-release nut are respectively arranged on two sides of the shell (1), one end of the quick-release bolt penetrates through the shell (1) and the blade (2) and then is connected with the quick-release nut, a first positioning hole (3) corresponding to the quick-release bolt and a second positioning hole (4) corresponding to the quick-release nut are further arranged on two sides of the shell (1), and the quick-release bolt is positioned in the first positioning hole (3); and the quick-release nut is unscrewed, and the blade (2) can be taken out of the shell (1) after the quick-release bolt is pulled out.
2. The tube cutter facilitating tool changing according to claim 1, characterized in that: one end of the quick-release bolt is provided with a hexagonal head (5), the first positioning hole (3) is a hexagonal positioning hole, and the hexagonal head (5) is arranged in the first positioning hole (3).
3. The tube cutter facilitating tool exchange according to claim 2, wherein: one end of the quick-release nut is provided with a circular truncated cone (6), the second positioning hole (4) is a circular positioning hole, and the circular truncated cone (6) is arranged in the second positioning hole (4).
4. The tube cutter facilitating tool changing according to claim 3, characterized in that: one side of hexagonal head (5) is equipped with connecting portion (7), be equipped with external screw thread portion (8) on connecting portion (7), be equipped with on round platform (6) with internal thread portion (9) that external screw thread portion (8) correspond.
5. The tube cutter facilitating tool changing according to claim 4, characterized in that: one side of the round platform (6) is further provided with an integrally formed knob (10), and the internal thread portion (9) penetrates through the round platform (6) and is arranged in the knob (10).
6. The tube cutter facilitating tool changing according to claim 5, characterized in that: the knob (10) is provided with an anti-skid part (11).
7. The tube cutter facilitating tool changing according to claim 4, characterized in that: the length of the connecting part (7) is larger than the distance between two side walls of the shell (1).
8. The tube cutter facilitating tool changing according to claim 4, characterized in that: the blade (2) is provided with a connecting hole (12), and the connecting part (7) penetrates through the connecting hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023067272.3U CN214081653U (en) | 2020-12-18 | 2020-12-18 | Pipe cutting knife convenient for tool changing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023067272.3U CN214081653U (en) | 2020-12-18 | 2020-12-18 | Pipe cutting knife convenient for tool changing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214081653U true CN214081653U (en) | 2021-08-31 |
Family
ID=77429234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023067272.3U Active CN214081653U (en) | 2020-12-18 | 2020-12-18 | Pipe cutting knife convenient for tool changing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214081653U (en) |
-
2020
- 2020-12-18 CN CN202023067272.3U patent/CN214081653U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315400 Lin Shan Zhen Hu Di Cun Luo Shan, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Zhejiang Bili Tools Co.,Ltd. Address before: 315400 Lin Shan Zhen Hu Di Cun Luo Shan, Yuyao City, Ningbo City, Zhejiang Province Patentee before: YUYAO BILI TOOLS Co.,Ltd. |