CN219522180U

CN219522180U - Pipe cutter with side-pressing type cutter changing function

Info

Publication number: CN219522180U
Application number: CN202320410339.3U
Authority: CN
Inventors: 符铭杰
Original assignee: Zhejiang Bili Tools Co ltd
Current assignee: Zhejiang Bili Tools Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-15
Anticipated expiration: 2033-03-07

Abstract

The utility model provides a pipe cutter for side-pressing tool changing, which comprises a shell and a movable handle arranged on the shell, wherein a blade is inserted and pulled on the movable handle, a stop hook is rotatably arranged on the movable handle, a pressing part and a hook part are arranged on the stop hook, the pressing part exposes out of the movable handle, a clamping groove matched with the hook part is arranged on the blade, a return spring is arranged in the movable handle and abuts against one side of the stop hook, so that the hook part on the stop hook is matched with the clamping groove; the pressing part is pressed to separate the hook part from the clamping groove, and the blade can be taken out from the movable handle at the moment. According to the pipe cutter for side-pressing tool changing, the blade is locked through one end of the stop hook which is arranged in a rotating mode, so that the blade can be detachably mounted, the blade can be unlocked in a pressing mode, the quick dismounting is realized, the end part of the stop hook is provided with the guide surface, and the blade can be directly inserted to drive the stop hook to rotate when being mounted, and the blade is automatically locked through the reset spring.

Description

Pipe cutter with side-pressing type cutter changing function

Technical Field

The utility model relates to the technical field of pipe cutters, in particular to a side-pressing type pipe cutter with a cutter changing function.

Background

The conventional pipe 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 oppositely abutted by 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 cutter to cut the pipe body; the patent of application number CN201220394703.3 discloses a novel scissors, include through axis of rotation interconnect's base handle and blade holder handle to and set up the blade on the blade holder handle, blade and blade holder handle can dismantle the connection, the blade on be provided with preceding cutting edge and back cutting edge, preceding cutting edge and back cutting edge be V font structure setting, back cutting edge's back end cutting edge inclined downward set up with back cutting edge's anterior segment cutting edge form cutting angle, the base handle on be provided with the pipe fitting bayonet socket, the pipe fitting bayonet socket on be provided with the sword groove that the cooperation blade used. The blade inside the pipe cutter shell is positioned and installed through the screws and the nuts at the two sides of the shell, and when the blade is replaced, the screws can be pulled out only by screwing the nuts off by using a spanner, so that the tool replacement is inconvenient.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to solve the problem of providing a side-pressing type pipe cutter for cutter changing, which aims to overcome the defect of inconvenient cutter changing of the pipe cutter in the prior art.

(II) technical scheme

In order to solve the technical problems, the utility model provides a pipe cutter with a side-pressing cutter, which comprises a shell and a movable handle arranged on the shell, wherein a blade is inserted into the movable handle, a stop hook is rotatably arranged on the movable handle, a pressing part and a hook part are arranged on the stop hook, the pressing part exposes out of the movable handle, a clamping groove matched with the hook part is arranged on the blade, a return spring is arranged in the movable handle, and the return spring abuts against one side of the stop hook to keep the hook part on the stop hook matched with the clamping groove; the pressing part is pressed to enable the hook part to be separated from the clamping groove, and the blade can be taken out from the movable handle for replacement.

Further, the retaining hook is rotatably installed in the movable handle through a retaining hook shaft pin, the retaining hook shaft pin is fixed on the movable handle, an opening is formed in the side face of the movable handle, and the pressing part is arranged outside the opening.

Further, a blade groove is formed in the movable handle, the insertion part at the end part of the blade is matched with the blade groove, a stop block is arranged in the blade groove, and a stop part corresponding to the stop block is arranged on the blade.

Furthermore, a positioning column is further arranged in the movable handle, a limiting groove is formed in the blade, the positioning column is arranged in the limiting groove, and positioning after the blade is installed is achieved through cooperation of the limiting groove and the positioning column.

Further, a spring groove is further formed in the movable handle, and the reset spring is installed in the spring groove.

Furthermore, one end of the retaining hook is provided with a guide surface, the blade is contacted with the guide surface to push the retaining hook to rotate, and when the blade is safely installed, the reset spring pushes the retaining hook to reset to lock the blade.

(III) beneficial effects

According to the pipe cutter for side-pressing tool changing, the blade is locked through one end of the retaining hook which is arranged in a rotating mode, so that the detachable installation of the blade is realized, the pressing part of the retaining hook is arranged outside the movable handle, the blade can be unlocked in a pressing mode, the quick detachment is realized, the end part of the retaining hook is provided with the guide surface, and the blade can be directly inserted to drive the retaining hook to rotate during the installation of the blade, and the blade is automatically locked through the reset spring.

Drawings

FIG. 1 is a perspective view of a tube cutter with side pressure type cutter changing according to the present utility model;

FIG. 2 is an exploded view of a tube cutter with side pressure type tool changing according to the present utility model;

FIG. 3 is a cross-sectional view of a tube cutter of a side pressure type cutter changer according to the present utility model;

FIG. 4 is a cross-sectional view of a movable handle of a tube cutter with side pressure type tool changing according to the present utility model;

FIG. 5 is an exploded view of the blade and stop hook of a side pressure type tool changing tube cutter according to the present utility model;

FIG. 6 is a schematic diagram showing an unlocked state of a blade and a retaining hook of a pipe cutter with side pressure type tool changing according to the present utility model;

fig. 7 is a schematic diagram showing a locked state of a blade and a retaining hook of a pipe cutter with a side pressure type cutter changing function according to the present utility model.

The corresponding component names for each reference number in the figures are: 1. a housing; 2. a movable handle; 3. a blade; 4. a stop hook; 5. a pressing part; 6. a hook portion; 7. a clamping groove; 8. a return spring; 9. a stop hook shaft pin; 10. an opening; 11. a blade slot; 12. a plug-in part; 13. a stop portion; 14. positioning columns; 15. a limit groove; 16. a spring groove; 17. a guide surface; 18. and a stop block.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 7, the utility model provides a pipe cutter for side-pressing tool changing, which comprises a shell 1 and a movable handle 2 arranged on the shell 1, wherein a blade 3 is arranged on the movable handle 2 in a pulling and inserting way, a retaining hook 4 is arranged in the movable handle 2 in a rotating way, a pressing part 5 and a hook part 6 are arranged on the retaining hook 4, the pressing part 5 exposes out of the movable handle 2, a clamping groove 7 matched with the hook part 6 is arranged on the blade 3, a return spring 8 is arranged in the movable handle 2, the return spring 8 abuts against one side of the retaining hook 4, and the hook part 6 on the retaining hook 4 is matched with the clamping groove 7 under a normal state, so that the blade 3 is locked; the pressing part 5 is pressed to rotate the stop hook 4, and at the moment, the hook part 6 is separated from the clamping groove 7, so that the blade 3 can be taken out from the movable handle 2; specifically, the retaining hook 4 is rotatably installed in the movable handle 2 through a retaining hook shaft pin 9, the retaining hook shaft pin 9 is fixed on the movable handle 2, the retaining hook 4 can rotate along the retaining hook shaft pin 9, an opening 10 is formed in the side surface of the movable handle 2, and the pressing portion 5 is arranged outside the opening 10.

Referring to fig. 4 to 7, in the present embodiment, a blade groove 11 is provided on the movable handle 2, a plug-in portion 12 at the end of the blade 3 is matched with the blade groove 11, a stop block 18 is provided in the blade groove 11, a stop portion 13 corresponding to the stop block 18 is provided on the blade 3, and the stop block 18 is matched with the stop portion 13 to limit the insertion angle and depth of the blade 3; still install reference column 14 in the movable handle 2, be equipped with spacing groove 15 on the blade 3, the spacing inslot is arranged in to reference column 14, position the blade 3 through reference column 14 and spacing groove 15 cooperation, still be equipped with spring groove 16 in the movable handle 2, reset spring 8 installs in spring groove 16, the one end of stopping hook 4 is equipped with guide surface 17, grafting portion 12 and guide surface 17 contact when the blade 3 is installed, it is rotatory to drive stopping hook 4 through guide surface 17, wait that blade 3 inserts guide surface 17 completely and breaks away from grafting portion 12, reset spring 8 drives stopping hook 4 rotation makes hook 6 and draw-in groove 7 cooperation, realize blade 3 automatic locking.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides a pipe cutting knife of side pressure formula tool changing, includes casing (1) and installs movable handle (2) on casing (1), insert on movable handle (2) and install blade (3), its characterized in that: the movable handle (2) is rotationally provided with a retaining hook (4), the retaining hook (4) is provided with a pressing part (5) and a hook part (6), the pressing part (5) is exposed out of the movable handle (2), the blade (3) is provided with a clamping groove (7) matched with the hook part (6), the movable handle (2) is internally provided with a return spring (8), and the return spring (8) is abutted against one side of the retaining hook (4) so that the hook part (6) on the retaining hook (4) is kept matched with the clamping groove (7); the pressing part (5) is pressed to enable the hook part (6) to be separated from the clamping groove (7), and at the moment, the blade (3) can be taken out from the movable handle (2).

2. The side-pressure tool-changing pipe cutter according to claim 1, wherein: the anti-back hook (4) is rotatably installed in the movable handle (2) through an anti-back hook shaft pin (9), the anti-back hook shaft pin (9) is fixed on the movable handle (2), an opening (10) is formed in the side face of the movable handle (2), and the pressing part (5) is arranged outside the opening (10).

3. The side-pressure tool-changing pipe cutter according to claim 1, wherein: the movable handle (2) is provided with a blade groove (11), and the plug-in part (12) at the end part of the blade (3) is matched with the blade groove (11).

4. A side-pressure tool-changing pipe cutter as defined in claim 3, wherein: a stop block (18) is arranged in the blade groove (11), and a stop part (13) corresponding to the stop block (18) is arranged on the blade (3).

5. The side-pressure tool-changing pipe cutter according to claim 1, wherein: a positioning column (14) is further arranged in the movable handle (2), a limiting groove (15) is formed in the blade (3), and the positioning column (14) is arranged in the limiting groove (15).

6. The side-pressure tool-changing pipe cutter according to claim 1, wherein: a spring groove (16) is further formed in the movable handle (2), and the return spring (8) is arranged in the spring groove (16).

7. The side-pressure tool-changing pipe cutter according to claim 1, wherein: one end of the retaining hook (4) is provided with a guide surface (17).