CN219404360U

CN219404360U - Pipe cutter of button tool changing

Info

Publication number: CN219404360U
Application number: CN202320332101.3U
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 button type cutter changing, which comprises a shell, wherein a blade is arranged in the shell through a blade quick-changing mechanism, the blade quick-changing mechanism comprises a blade seat, a stop block and a button, the blade is inserted into the blade seat, the stop block is rotatably arranged in the blade seat, a hook part is arranged on the stop block, a clamping hook is arranged on the blade, a driving spring is arranged between the stop block and the blade seat, a guide post is arranged at the lower end of the button, and an inclined guide surface matched with the guide post is arranged on the stop block. According to the pipe cutter for button type cutter changing, disclosed by the utility model, the cutter blade is locked on the cutter blade seat through the retaining block, and the retaining block can be driven to rotate to unlock through the matching of the guide post at the lower end of the button and the inclined guide surface on the retaining block, so that the cutter blade is directly pulled out and detached, and compared with the existing mode that the cutter blade is detached by taking out the center locating pin, the quick cutter blade changing mechanism of the pipe cutter is more convenient and quick.

Description

Pipe cutter of button tool changing

Technical Field

The utility model relates to the technical field of pipe cutters, in particular to a pipe cutter with a button type 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 CN201822066533.6 discloses a pipe cutter, includes the main part of constituteing by main handle and auxiliary handle, and the blade is installed to main handle front end, the front end of main handle is equipped with spout and jack, is equipped with a push button in the spout, penetrates in the jack has a round pin post, is equipped with the round hole that supplies the round pin post to pass on the blade, main handle front end inside is equipped with the cavity that is located the spout below, is equipped with a connecting block in the cavity, connecting block and push block bottom mounting, and the top of round pin post is equipped with the recess that supplies connecting block one end card to go into, and the other end of connecting block is connected with a spring. When the blade is required to be replaced, the push button is pressed to retreat, after the connecting block is separated from the pin, the pin is loosened, the blade can be detached after the pin is taken down, and the blade is convenient to replace; the main body is conveniently locked by the tail buckle, and the tail buckle is convenient to open. The blade inside the pipe cutter shell can be replaced only by taking down the pin, and the operation is inconvenient.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to solve the problem of providing a pipe cutter with a button type cutter changing function, 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 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 stop block and a button, the blade seat is rotatably arranged in the shell, the blade is inserted in the blade seat, the stop block is rotatably arranged in the blade seat, a hook part is arranged on the stop block, a clamping hook is arranged on the blade, a driving spring is arranged between the stop block and the blade seat, the driving spring pushes the stop block to enable the hook part to be matched with the clamping hook, a guide column is arranged at the lower end of the button, and an inclined guide surface matched with the guide column is arranged on the stop block; pressing the button can push the stop block to rotate through the guide post, the hook part is separated from the clamping hook, and the blade can be detached at the moment.

Further, the button is in through button guide block movable mounting in the casing, be equipped with locating hole and guiding hole on the button guide block, the button guide block passes through the locating hole is fixed in the casing through the set screw, the guide post passes the guiding hole, the cover is equipped with button spring on the guide post, button spring supports respectively and leans on the button guide block and on the button, the button guide block is used for the location installation the button, and the guide the button upward and downward movement.

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

Further, a slot is arranged on the blade seat, a plug-in portion corresponding to the slot is arranged on the blade, a circular arc-shaped mounting groove is formed in one side of the slot in a penetrating mode, the retaining block is rotatably mounted on the mounting groove, and the clamping hook is arranged on the plug-in portion.

Further, a movable handle is further arranged 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; the movable handle is provided with a large pawl and a small pawl, the small pawl and the large pawl are matched with the ratchet, the movable handle drives the large pawl to drive the blade seat to rotate, and the small pawl is used for preventing the blade seat from retreating, so that multistage cutting is realized.

(III) beneficial effects

According to the pipe cutter for button type cutter changing, disclosed by the utility model, the cutter blade is locked on the cutter blade seat through the retaining block, and the retaining block can be driven to rotate to unlock through the matching of the guide post at the lower end of the button and the inclined guide surface on the retaining block, so that the cutter blade is directly pulled out and detached, and compared with the existing mode that the cutter blade is detached by taking out the center locating pin, the quick cutter blade changing mechanism of the pipe cutter is more convenient and quick.

Drawings

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

FIG. 2 is a perspective view of a blade quick change mechanism for a push button change tube cutter according to the present utility model;

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

FIG. 4 is a perspective view of a push button and stop block of a push button type tool changing tube cutter according to the present utility model;

FIG. 5 is a front view of a blade quick change mechanism and a button guide block of a push button type knife change tube cutter according to the present utility model;

FIG. 6 is a front view of the blade quick change mechanism of the push button type knife changing tube cutter and the unlocked state of the push button guide block according to the present utility model;

FIG. 7 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. 8 is a front view of an unlocked state of a blade quick change mechanism of a push button change tube cutter of the present utility model;

FIG. 9 is a transverse cross-sectional view of a tube cutter of a push button tool changer of the present utility model;

fig. 10 is a vertical sectional view of a tube cutter of a push button type cutter changer according to the present utility model.

The corresponding component names for each reference number in the figures are: 1. a housing; 2. a blade; 3. a blade seat; 4. a stop block; 5. a button; 6. a hook portion; 7. a clamping hook; 8. a drive spring; 9. a guide post; 10. an inclined guide surface; 11. a button guide block; 12. positioning holes; 13. a guide hole; 14. a set screw; 15. a button spring; 16. a central bore; 17. a center screw; 18. a slot; 19. a plug-in part; 20. a mounting groove; 21. a movable handle; 22. a ratchet; 23. a large pawl; 24. a small pawl.

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. 1-10, the utility model provides a pipe cutter for button type cutter changing, which comprises a shell 1, wherein a blade 2 is detachably arranged in the shell 1 through a blade quick-changing mechanism, the blade quick-changing mechanism comprises a blade seat 3, a stop block 4 and a button 5, wherein the blade seat 3 is rotatably arranged in the shell 1, the blade 2 is inserted in the blade seat 3, the stop block 4 is rotatably arranged in the blade seat 3, a hook part 6 is arranged on the stop block 4, a clamping hook 7 is arranged on the blade 2, a driving spring 8 is arranged between the stop block 4 and the blade seat 3, the driving spring 8 pushes the stop block 4 to enable the hook part 6 to be matched with the clamping hook 7 to lock the blade 2, a guide post 9 is arranged at the lower end of the button 5, and an inclined guide surface 10 matched with the guide post 9 is arranged on the stop block 4; the guide post 9 is pressed down to contact the inclined guide surface 10, the push button 5 can push the stop block 4 to rotate through the guide post 9, so that the hook part 6 is separated from the clamping hook 7, and the blade 2 can be detached at the moment; specifically, a slot 18 is formed in the blade seat 3, an inserting portion 19 corresponding to the slot 18 is formed in the blade 2, a circular arc-shaped mounting groove 20 is formed in one side of the slot 18 in a penetrating mode, the retaining block 4 is rotatably mounted on the mounting groove 20, the clamping hooks 7 are arranged on the inserting portion 19, the inserting portion 19 contacts with an inclined plane on one side of the hook portion 6 when the blade is mounted, the blade is pushed inwards to enable the retaining block 4 to rotate and deviate upwards after being stressed, and when the blade 2 is completely mounted, the driving spring 8 pushes the retaining block 4 to reset, so that the hook portion 6 automatically locks the blade 2, and tool mounting is achieved.

Referring to fig. 3 to 10, in this embodiment, a button 5 is movably mounted in a housing 1 through a button guide block 11, a positioning hole 12 and a guide hole 13 are formed in the button guide block 11, the button guide block 11 is fixed in the housing 1 through a positioning screw 14 and passes through the positioning hole 12, the button guide block 11 is used for positioning the button 5, a guide column 9 passes through the guide hole 13, a button spring 15 is sleeved on the guide column 9, the button spring 15 is respectively abutted against the bottom of the button guide block 11 and the bottom of the button 5, and the button 5 is automatically reset after being pressed down through the button spring 15; in the embodiment, a center hole 16 is formed in a blade seat 3, the blade seat 3 is positioned and installed in a shell 1 through a center screw 17 passing through the center hole 16, the blade seat 3 rotates along the center screw 17, a movable handle 21 is also installed on the shell 1, a ratchet 22 is arranged on one side of the blade seat 3, and the movable handle 21 drives the blade seat 3 to rotate through the ratchet 22; the movable handle 21 is provided with a large pawl 23 and a small pawl 24, the small pawl 24 and the large pawl 23 are matched with the ratchet 22, wherein the movable handle 21 drives the large pawl 23 to drive the blade seat 3 to rotate, and the small pawl 24 is used for preventing the blade seat 3 from retreating, so that multistage cutting is realized.

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 cutter of button tool changing, includes casing (1), install blade (2) through blade quick change mechanism demountable installation in casing (1), its characterized in that: the quick blade replacing mechanism comprises a blade seat (3), a retaining block (4) and a button (5), wherein the blade seat (3) is rotatably installed in the shell (1), the blade (2) is inserted in the blade seat (3), the retaining block (4) is rotatably installed in the blade seat (3), a hook part (6) is arranged on the retaining block (4), a clamping hook (7) is arranged on the blade (2), a driving spring (8) is arranged between the retaining block (4) and the blade seat (3), the driving spring (8) pushes the retaining block (4) to enable the hook part (6) to be matched with the clamping hook (7), a guide post (9) is arranged at the lower end of the button (5), and an inclined guide surface (10) matched with the guide post (9) is arranged on the retaining block (4); pressing the button (5) can push the retaining block (4) to rotate through the guide post (9), the hook part (6) is separated from the clamping hook (7), and the blade (2) can be detached at the moment.

2. The push button change tube cutter of claim 1, wherein: the button (5) is movably arranged in the shell (1) through a button guide block (11).

3. The push button change tube cutter of claim 2, wherein: the button guide block (11) is provided with a positioning hole (12) and a guide hole (13), the button guide block (11) passes through the positioning hole (12) through a positioning screw (14) to be fixed in the shell (1), the guide column (9) passes through the guide hole (13), the guide column (9) is sleeved with a button spring (15), and the button spring (15) is respectively abutted against the button guide block (11) and the button (5).

4. The push button change tube cutter of claim 1, wherein: the blade seat (3) is provided with a central hole (16), and the blade seat (3) passes through the central hole (16) through a central screw (17) to be positioned and installed in the shell (1).

5. The push button change tube cutter of claim 1, wherein: the blade seat (3) is provided with a slot (18), and the blade (2) is provided with a plug-in part (19) corresponding to the slot (18).

6. The push button change tube cutter of claim 5, wherein: one side of the slot (18) is communicated with a circular arc-shaped mounting groove (20), the retaining block (4) is rotatably mounted on the mounting groove (20), and the clamping hook (7) is arranged on the inserting portion (19).

7. The push button change tube cutter of claim 1, wherein: the movable handle (21) is further arranged on the shell (1), a ratchet (22) is arranged on one side of the blade seat (3), and the movable handle (21) drives the blade seat (3) to rotate through the ratchet (22).

8. The push button change tube cutter as defined in claim 7, wherein: the movable handle (21) is provided with a large pawl (23) and a small pawl (24), and the small pawl (24) and the large pawl (23) are matched with the ratchet (22).