CN219404359U

CN219404359U - Push button type cutter-changing pipe cutter

Info

Publication number: CN219404359U
Application number: CN202320332028.XU
Authority: CN
Inventors: 符铭杰
Original assignee: Zhejiang Bili Tools Co ltd
Current assignee: Zhejiang Bili Tools Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-07-25
Anticipated expiration: 2033-02-28

Abstract

The utility model provides a pipe cutter for push button type cutter changing, which comprises a shell, wherein a blade is detachably arranged in the shell through a blade quick-changing mechanism, the blade quick-changing mechanism comprises a blade seat, a stop block and a push button, the blade is provided with an insert block, the blade seat is provided with a slot matched with the insert block, one side of the slot is provided with a mounting groove in a penetrating way, the stop block is movably arranged in the mounting groove, the insert block is provided with a locking groove, the stop block is provided with a locking part, the locking part is inserted into the locking groove, and the push button is slidably arranged on the shell and is used for pushing the stop block. According to the push button type cutter-changing pipe cutter, the blade is locked on the blade seat through the stop block, the drive column on the stop block is pushed by the push button to drive the stop block to slide and unlock, so that the blade is directly pulled out and detached, the blade is only required to be directly inserted in the mounting process, and the stop block can reset the automatic locking blade after the mounting is completed, so that the blade of the pipe cutter is convenient and quick to mount and dismount.

Description

Push button type cutter-changing pipe cutter

Technical Field

The utility model relates to the technical field of pipe cutters, in particular to a push button type cutter-changing pipe cutter.

Background

The pipe cutter is one of the tools frequently used in piping engineering, and is mainly used for cutting and sectioning a pipe body and connecting pipelines such as electricity, water, gas and the like. 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; patent application number CN201521082696.3 discloses a pipe cutter, including main handle (1), auxiliary handle (2), movable jaw (3), fixed jaw (4), stopping pawl (5) and propulsion pawl (6), main handle (1) and fixed jaw (4) as an organic whole, movable jaw (3) with main handle (1) are held through the screw and link to each other, auxiliary handle (2) bottom set up a safety collar (21), auxiliary handle (2) set up aperture (22) and No. two aperture (23), aperture (22) link to each other with fixed jaw (4) and stopping pawl (5) through the rivet, no. two aperture (23) link to each other with propulsion pawl (6) through the rivet, propulsion pawl (6) are provided with the torsional spring with No. two aperture (23) junction. Springs (7) are arranged on two corresponding side surfaces of the movable jaw (3), and the springs (7) are connected with the backstop pawls (5). 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 push button type cutter-changing pipe cutter so as 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 for push button type cutter changing, which comprises a shell, wherein a blade is detachably arranged in the shell through a blade quick change mechanism, the blade quick change mechanism comprises a blade seat, a retaining block and a push button, the blade seat is rotatably arranged in the shell, the blade is connected with the blade seat through the retaining block, an inserting block is arranged on the blade, an inserting groove matched with the inserting block is formed in the blade seat, one side of the inserting groove is penetrated and provided with a mounting groove, the retaining block is movably arranged in the mounting groove, the inserting block is provided with a locking groove, the retaining block is provided with a locking part, the locking part penetrates through the mounting groove and is inserted into the locking groove, a first reset spring is further arranged in the mounting groove and is abutted against the retaining block, and the first reset spring pushes out the retaining block to enable the locking part to be inserted into the locking groove, so that the blade is locked by the retaining block, and the push button is detachably arranged on the locking groove.

Further, the lower end of the push button is a pushing part, the stop block is provided with a driving column, and the push button pushes the driving column, namely the stop block, through the pushing part.

Further, a spring groove is formed in the pushing portion, a second reset spring is mounted in the spring groove, and one end of the second reset spring abuts against the shell.

Further, a positioning hole is formed in the blade seat, and the blade seat passes through the positioning hole through a center screw to be positioned and installed in the shell.

Further, a concave surface is arranged on the backstop block, and the end part of the first return spring is abutted against the concave surface.

Further, a movable handle is further installed on the shell, a ratchet is arranged on one side of the blade seat, and the movable handle drives the blade seat to rotate through the ratchet.

(III) beneficial effects

According to the push button type cutter-changing pipe cutter, the blade is locked on the blade seat through the stop block, the drive column on the stop block is pushed by the push button to drive the stop block to slide and unlock, so that the blade is directly pulled out and detached, the blade is only required to be directly inserted in the mounting process, and the stop block can reset the automatic locking blade after the mounting is completed, so that the blade of the pipe cutter is convenient and quick to mount and dismount.

Drawings

FIG. 1 is a perspective view showing the internal structure of a tube cutter for push button type cutter changing according to the present utility model;

FIG. 2 is a front view showing the internal structure of a tube cutter for push button type cutter change according to the present utility model;

FIG. 3 is an exploded view of a blade quick change mechanism of a push button type knife change tube cutter according to the present utility model;

fig. 4 is a perspective view showing an unlocking state of a blade quick-change mechanism of a push button type cutter-changing tube cutter according to the present utility model;

FIG. 5 is a perspective view showing a locked state of a blade quick change mechanism of a push button type knife changing tube cutter according to the present utility model;

FIG. 6 is a front view showing a locked state of a blade quick change mechanism of a push button type cutter-changing tube cutter according to the present utility model;

fig. 7 is a front view showing an unlocked state of a blade quick change mechanism of a push button type cutter-changing tube cutter according to the present utility model.

The corresponding component names for each reference number in the figures are: 1. a housing; 2. a blade seat; 3. a stop block; 4. a blade; 5. a push button; 6. inserting blocks; 7. a slot; 8. a mounting groove; 9. a locking groove; 10. a locking part; 11. a first return spring; 12. a propulsion section; 13. a drive column; 14. a spring groove; 15. a second return spring; 16. positioning holes; 17. a center screw; 18. a concave surface; 19. a movable handle; 20. a ratchet.

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. 1-7, the utility model provides a pipe cutter for push button type cutter changing, which comprises a shell 1, wherein a blade 4 is detachably arranged in the shell 1 through a blade quick change mechanism, the blade quick change mechanism comprises a blade seat 2, a retaining block 3 and a push button 5, wherein the blade seat 2 is rotatably arranged in the shell 1, the blade 4 is connected with the blade seat 2 through the retaining block 3, the blade seat 2 can drive the blade 4 to open and close when rotating, a movable handle 19 is further arranged on the shell 1, one side of the blade seat 2 is provided with a ratchet 20, the movable handle 19 drives the blade seat 2 to rotate through the ratchet 20, the blade 4 is provided with a plug 6, the blade seat 2 is provided with a slot 7 matched with the plug 6, the blade 4 is assembled into the blade seat 2 through the plug 6, one side of the slot 7 is penetrated with a mounting groove 8, the retaining block 3 is movably arranged in the mounting groove 8, the retaining block 6 is provided with a locking part 10, the retaining block 10 is inserted into the locking groove 9 through the mounting groove 8, the mounting groove 8 is also provided with a reset spring 11, and the retaining block 11 is arranged in the first retaining block 11 and is in the retaining groove 9, and can be directly pulled out of the retaining block 4 in a sliding mode by the sliding mode, and the retaining block 4 is directly released from the retaining groove 5 through the retaining groove 4, and the retaining block 4 is directly pulled out of the retaining groove 5.

Referring to fig. 3, in this embodiment, the lower end of the push button 5 is a pushing portion 12, the retaining block 3 is provided with a driving column 13, the push button 5 pushes the driving column 13, i.e. the retaining block 3, through the pushing portion 12, so that the locking portion 10 can be separated from the locking groove 9, a spring groove 14 is formed in the pushing portion 12, a second return spring 15 is installed in the spring groove 14, one end of the second return spring 15 abuts against the housing 1 to drive the push button 5 to return, so that after the blade 4 is inserted and installed, the second return spring 15 can drive the push button 5 to automatically return, meanwhile, the first return spring 11 can drive the retaining block 3 to automatically return to automatically lock the blade 4, a concave surface 18 is formed in the retaining block 3, and the end of the first return spring 11 abuts against the concave surface 18; the blade seat 2 is provided with a positioning hole 16, and the blade seat 2 is positioned and installed in the shell 1 through the positioning hole 16 by a center screw 17, so that the blade 4 rotates along the positioning hole 16 as the center.

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 push button type tool changing's pipe cutter, includes casing (1), install blade (4) through blade quick change mechanism demountable installation in casing (1), its characterized in that: the utility model provides a quick change mechanism of blade includes blade seat (2), backing block (3) and push button (5), blade seat (2) rotate and install in casing (1), blade (4) pass through backing block (3) are connected blade seat (2), be equipped with cartridge (6) on blade (4), be equipped with on blade seat (2) with cartridge (6) complex slot (7), one side of slot (7) link up and be equipped with mounting groove (8), backing block (3) movable mounting is in mounting groove (8), be equipped with locking groove (9) on cartridge (6), be equipped with locking portion (10) on backing block (3), locking portion (10) pass mounting groove (8) are inserted in locking groove (9), still install first reset spring (11) in mounting groove (8), first reset spring (11) support and lean on backing block (3) are in, push button (5) are in the time, but push button (6) are used for making locking portion (4) slide on locking portion (5).

2. The push button change tube cutter of claim 1, wherein: the lower end of the push button (5) is provided with a pushing part (12), the backstop block (3) is provided with a driving column (13), and the push button (5) pushes the driving column (13), namely the backstop block (3), through the pushing part (12).

3. The push button change tube cutter of claim 2, wherein: the pushing part (12) is provided with a spring groove (14), a second return spring (15) is arranged in the spring groove (14), and one end of the second return spring (15) is propped against the shell (1).

4. The push button change tube cutter of claim 1, wherein: the blade seat (2) is provided with a positioning hole (16), and the blade seat (2) passes through the positioning hole (16) through a center screw (17) to be positioned and installed in the shell (1).

5. The push button change tube cutter of claim 1, wherein: the anti-return block (3) is provided with a concave surface (18), and the end part of the first return spring (11) is abutted against the concave surface (18).

6. The push button change tube cutter of claim 1, wherein: the movable handle (19) is further arranged on the shell (1), a ratchet (20) is arranged on one side of the blade seat (2), and the movable handle (19) drives the blade seat (2) to rotate through the ratchet (20).