CN219234126U

CN219234126U - Pipe cutter with push-button type cutter changing function

Info

Publication number: CN219234126U
Application number: CN202320136933.8U
Authority: CN
Inventors: 符铭杰
Original assignee: Zhejiang Bili Tools Co ltd
Current assignee: Zhejiang Bili Tools Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-06-23
Anticipated expiration: 2033-02-07

Abstract

The utility model provides a pipe cutter for button type cutter changing, which comprises a shell and a movable handle, wherein a blade is arranged on the movable handle, a quick-change mechanism comprises a button, a stop hook and a torsion spring, the torsion spring is sleeved on a locating pin, two ends of the torsion spring respectively lean against the stop hook and the movable handle, a lock hook is arranged on the stop hook, a clamping groove is formed in the blade, the torsion spring pushes the stop hook to enable the lock hook to be inserted into the clamping groove, the button is movably arranged in the movable handle, and the button leans against one end of the stop hook. The pipe cutter with the push button type cutter changing function provided by the utility model has the advantages that the stop hook is arranged in the movable handle in a swinging manner through the locating pin and is clamped with the cutter blade, the stop hook is pushed by the push button to swing so as to separate the stop hook from the cutter blade, the cutter blade can be directly dismounted at the moment, the cutter blade of the pipe cutter is convenient and quick to dismount, the cutter blade is only required to be directly inserted during mounting, and the cutter blade can be automatically locked by the reset of the stop hook after the mounting is completed.

Description

Pipe cutter with push-button type cutter changing function

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 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 pipe cutter capable of replacing a cutter by a button type so as to overcome the defect of inconvenient cutter replacement 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 and a movable handle arranged on the shell, wherein a blade is detachably arranged on the movable handle through a quick-change mechanism, the quick-change mechanism comprises a button, a stop hook and a torsion spring, the stop hook is rotatably arranged in the movable handle through a locating pin, the torsion spring is sleeved on the locating pin, two ends of the torsion spring respectively lean against the stop hook and the movable handle, a locking hook is arranged on the stop hook, a clamping groove is arranged on the blade, the torsion spring pushes the stop hook to enable the locking hook to be inserted into the clamping groove, the button is movably arranged in the movable handle, and the button leans against one end of the stop hook; pressing the button can push the backstop hook to rotate, so that the latch hook is separated from the clamping groove, and the blade can be detached at the moment.

Further, the locating pin passes through the retaining hook, the two ends of the retaining hook are respectively provided with a driving part and a locking hook, the button is propped against the driving part, the button pushes the driving part to enable the retaining hook to axially rotate along the locating pin, and the locking hook is separated from the clamping groove after moving.

Further, a blade groove is formed in the movable handle, and the blade is inserted into the blade groove.

Furthermore, the movable handle is also provided with an avoidance groove and a positioning hole, the positioning hole penetrates through the avoidance groove, the backstop hook is movably installed in the avoidance groove, and the positioning pin is fixed in the positioning hole.

Further, a button groove is further formed in the movable handle, and the button is movably arranged in the button groove; one side of the button groove is provided with a blocking surface, and the blocking surface blocks the button.

Further, the movable handle and the shell are provided with through center holes, a center shaft is installed in the center holes in a penetrating mode, the movable handle rotates along the center shaft, the blade is provided with an arc-shaped groove, and the center shaft abuts against the arc-shaped groove.

(III) beneficial effects

The pipe cutter with the push button type cutter changing function provided by the utility model has the advantages that the stop hook is arranged in the movable handle in a swinging manner through the locating pin and is clamped with the cutter blade, the stop hook is pushed by the push button to swing so as to separate the stop hook from the cutter blade, the cutter blade can be directly dismounted at the moment, the cutter blade of the pipe cutter is convenient and quick to dismount, the cutter blade is only required to be directly inserted during mounting, and the cutter blade can be automatically locked by the reset of the stop hook after the mounting is completed.

Drawings

FIG. 1 is a transverse cross-sectional view of a tube cutter for push button blade change in accordance with the present utility model;

FIG. 2 is a perspective view showing an opened state of a pipe cutter for button type cutter change according to the present utility model;

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

FIG. 4 is a perspective view showing an unlocked state of a quick change mechanism of a pipe cutter for button type cutter change according to the present utility model;

FIG. 5 is a perspective view showing a locking state of a quick change mechanism of a pipe cutter with a push button type cutter change according to the present utility model;

FIG. 6 is a side view of an unlocked state of a quick change mechanism of a tube cutter for button blade change according to the present utility model;

FIG. 7 is a side view of a quick change mechanism of a tube cutter with a push button change according to the present utility model in a locked condition;

fig. 8 is a perspective view of a movable handle of a pipe cutter with a push button type cutter change 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 button; 5. a stop hook; 6. a positioning pin; 7. a torsion spring; 8. a latch hook; 9. a clamping groove; 10. a driving section; 11. a blade slot; 12. an avoidance groove; 13. positioning holes; 14. a button groove; 15. a blocking surface; 16. a central bore; 17. a central shaft; 18. an arc-shaped groove.

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. 1-8, the utility model provides a pipe cutter for button type cutter changing, which comprises a shell 1 and a movable handle 2 arranged on the shell 1, wherein a blade 3 is detachably arranged on the movable handle 2 through a quick-change mechanism, the quick-change mechanism comprises a button 4, a stop hook 5 and a torsion spring 7, the stop hook 5 is rotatably arranged in the movable handle 2 through a positioning pin 6, the positioning pin 6 is sleeved with the torsion spring 7, two ends of the torsion spring 7 respectively abut against the stop hook 5 and the movable handle 2, the stop hook 5 is provided with a locking hook 8, the blade 3 is provided with a clamping groove 9, the torsion spring 7 pushes the stop hook 5 to enable the locking hook 8 to be inserted into the clamping groove 9, the locking of the blade 3 can be kept under a normal state, the button 4 is movably arranged in the movable handle 2, and the button 4 abuts against one end of the stop hook 5; pressing the button 4 can push the retaining hook 5 to rotate, so that the locking hook 8 is separated from the clamping groove 9, and the blade 3 can be detached at the moment.

Referring to fig. 4-8, in the present embodiment, the positioning pin 6 passes through the retaining hook 5, two ends of the retaining hook 5 are respectively a driving portion 10 and a locking hook 8, the button 4 abuts against the driving portion 10, and the button 4 can drive the retaining hook 5 to turn over along the axis of the positioning pin 6 through the driving portion 10, so as to lock and unlock the blade 3; the movable handle 2 is provided with a blade groove 11, the blade 3 is inserted in the blade groove 11, the blade can be directly inserted or pulled out for replacement, the movable handle 2 is also provided with an avoidance groove 12 and a positioning hole 13, the positioning hole 13 penetrates through the avoidance groove 12, the retaining hook 5 is movably mounted in the avoidance groove 12, the positioning pin 6 is fixed in the positioning hole 13, the movable handle 2 is also provided with a button groove 14, the button 4 is movably mounted in the button groove 14, one side of the button groove 14 is provided with a blocking surface 15, the blocking surface 15 blocks the button 4, and the button 4 is limited.

Referring to fig. 1, 2 and 8, in this embodiment, the movable handle 2 and the housing 1 are provided with a through central hole 16, a central shaft 17 is installed in the central hole 16 in a penetrating manner, the movable handle 2 rotates along the central shaft 17, the blade 3 is provided with an arc-shaped groove 18, the central shaft 17 abuts against the arc-shaped groove 18, and the blade 3 is limited by the central shaft 17 so as to open and close along a set track.

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 button tool changing, includes casing (1) and installs movable handle (2) on casing (1), its characterized in that: the movable handle (2) is detachably provided with a blade (3) through a quick-change mechanism, the quick-change mechanism comprises a button (4), a stop hook (5) and a torsion spring (7), the stop hook (5) is rotatably arranged in the movable handle (2) through a positioning pin (6), the positioning pin (6) is sleeved with the torsion spring (7), two ends of the torsion spring (7) respectively lean against the stop hook (5) and the movable handle (2), the stop hook (5) is provided with a lock hook (8), the blade (3) is provided with a clamping groove (9), the torsion spring (7) pushes the stop hook (5) to enable the lock hook (8) to be inserted into the clamping groove (9), the button (4) is movably arranged in the movable handle (2), and the button (4) is propped against one end of the stop hook (5); pressing the button (4) can push the retaining hook (5) to rotate, so that the locking hook (8) is separated from the clamping groove (9), and the blade (3) can be detached at the moment.

2. The push button change tube cutter as defined in claim 1, wherein: the locating pin (6) passes through the retaining hook (5), two ends of the retaining hook (5) are respectively provided with a driving part (10) and the locking hook (8), and the button (4) is abutted to the driving part (10).

3. The push button change tube cutter as defined in claim 1, wherein: the movable handle (2) is provided with a blade groove (11), and the blade (3) is inserted into the blade groove (11).

4. The push button change tube cutter as defined in claim 1, wherein: the movable handle (2) is further provided with an avoidance groove (12) and a positioning hole (13), the positioning hole (13) penetrates through the avoidance groove (12), the backstop hook (5) is movably installed in the avoidance groove (12), and the positioning pin (6) is fixed in the positioning hole (13).

5. The push button change tube cutter as defined in claim 1, wherein: the movable handle (2) is also provided with a button groove (14), and the button (4) is movably arranged in the button groove (14).

6. The push button change tube cutter as defined in claim 5, wherein: one side of the button groove (14) is provided with a blocking surface (15), and the blocking surface (15) blocks the button (4).

7. The push button change tube cutter as defined in claim 1, wherein: the movable handle (2) and the shell (1) are respectively provided with a through central hole (16), a central shaft (17) is arranged in the central holes (16) in a penetrating mode, and the movable handle (2) rotates along the central shaft (17).

8. The push button change tube cutter as defined in claim 7, wherein: the blade (3) is provided with an arc-shaped groove (18), and the central shaft (17) is abutted against the arc-shaped groove (18).