CN219504825U

CN219504825U - Pipe cutter of push type tool changing

Info

Publication number: CN219504825U
Application number: CN202320410349.7U
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: 2023-08-11
Anticipated expiration: 2033-03-07

Abstract

The utility model provides a pipe cutter for push 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 button, a backstop cylinder and a backstop ejector pin, the button and the backstop ejector pin are respectively movably arranged at the upper end and the lower end of the shell, the backstop cylinder is arranged between the button and the backstop ejector pin, a blade seat is arranged in the shell, the blade is arranged on the blade seat, arc-shaped grooves are symmetrically arranged on the blade seat and the blade, and the backstop cylinder is inserted between the arc-shaped grooves and used for locking the blade and the blade seat; the push button is pressed to separate the retaining cylinder from the arc groove, so that the blade can be detached. According to the pipe cutter for pressing type cutter changing, the blade and the circular arc groove on the blade seat are spliced to form the circular hole, the retaining cylinder is inserted to be locked, the retaining cylinder can be lowered to be separated from the circular arc groove to achieve unlocking by pressing the button, and the blade can be directly inserted by pressing the button when the pipe cutter is installed.

Description

Pipe cutter of push type tool changing

Technical Field

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

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 pipe cutter capable of changing a cutter in a pressing mode, so as to overcome the defect that the pipe cutter is inconvenient to change in the prior art.

(II) technical scheme

In order to solve the technical problems, the utility model provides a pipe cutter for push type cutter changing, which comprises a shell, wherein a cutter blade is detachably arranged in the shell through a cutter blade quick-changing mechanism, the cutter blade quick-changing mechanism comprises a button, a retaining cylinder and a backing ejector pin, the button and the backing ejector pin are respectively movably arranged at the upper end and the lower end of the shell, the retaining cylinder is arranged between the button and the backing ejector pin, a cutter blade seat is arranged in the shell, the cutter blade is arranged on the cutter blade seat, a first arc-shaped groove is arranged on the cutter blade, a second arc-shaped groove is arranged on the cutter blade seat, the first arc-shaped groove and the second arc-shaped groove are symmetrically arranged, and the retaining cylinder is inserted between the first arc-shaped groove and the second arc-shaped groove and is used for locking the cutter blade and the cutter blade seat; and pressing the button to enable the retaining cylinder to be separated from the first arc-shaped groove and the second arc-shaped groove, so that the blade can be detached.

Further, the button is movably mounted on the shell through a button cover, the button cover is fixed on the shell, the button penetrates through a sliding groove on the button cover, a limiting part is formed on the annular protrusion of the button, the end part of the sliding groove is a limiting groove, the limiting part is propped against the limiting groove, a first reset spring is further sleeved on the button, and two ends of the first reset spring are propped against the retaining cylinder and the limiting part respectively.

Further, the backing top pin is installed in the shell in a limiting mode through the clamp spring, the outer edge is arranged at the end portion of the backing top pin, a second reset spring is sleeved on the backing top pin, and the second reset spring abuts against the outer edge and the inner wall of the shell.

Further, the first arc-shaped groove and the second arc-shaped groove are semicircular, the first arc-shaped groove and the second arc-shaped groove are spliced into a circular groove, and the backstop cylinder is inserted into the circular groove.

Further, the blade is provided with a plug-in portion, the blade seat is provided with a slot, the plug-in portion is arranged in the slot, the first arc-shaped groove is arranged on the plug-in portion, and the second arc-shaped groove is arranged on one side of the slot.

(III) beneficial effects

According to the pipe cutter for pressing type cutter changing, the blade and the circular arc groove on the blade seat are spliced to form the circular hole, the retaining cylinder is inserted to be locked, the retaining cylinder can be lowered to be separated from the circular arc groove in a button pressing mode to unlock, the blade can be detached at the moment, the blade can be directly inserted by pressing the button when being installed, and the blade of the pipe cutter is convenient and fast to assemble and disassemble and safer.

Drawings

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

fig. 2 is a front view showing the internal structure of a tube cutter for press-type cutter changing according to the present utility model;

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

FIG. 4 is an exploded view of a blade quick change mechanism of a push-type knife change tube cutter according to the present utility model;

FIG. 5 is a cross-sectional view of a blade quick change mechanism for a push-type change tube cutter according to the present utility model;

FIG. 6 is a cross-sectional view of a button cover of a push-type tool-changing tube cutter according to the present utility model;

FIG. 7 is a perspective view showing an unlocked state of a blade and a blade seat of a push-type cutter-changing tube cutter according to the present utility model;

FIG. 8 is a perspective view showing a locked state of a blade and a blade seat of a push-type cutter-changing tube cutter according to the present utility model;

fig. 9 is a perspective view of a blade seat of a tube cutter for press-type cutter changing 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 button; 4. a stop cylinder; 5. a backing pin; 6. a slot; 7. a blade seat; 8. a first arc-shaped groove; 9. a button cover; 10. a chute; 11. a limit part; 12. a limit groove; 13. a first return spring; 14. clamping springs; 15. an outer edge; 16. a second return spring; 17. a plug-in part; 18. a second arcuate slot.

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 9, the utility model provides a pipe cutter for push 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 button 3, a retaining cylinder 4 and a backing top pin 5, the button 3 and the backing top pin 5 are respectively movably arranged at the upper end and the lower end of the shell 1, the retaining cylinder 4 is arranged between the button 3 and the backing top pin 5, a blade seat 7 is arranged in the shell 1, the blade 2 is arranged on the blade seat 7, a first arc-shaped groove 8 is arranged on the blade 2, a second arc-shaped groove 18 is arranged on the blade seat 7, the first arc-shaped groove 8 and the second arc-shaped groove 18 are symmetrically arranged, the retaining cylinder 4 is inserted between the first arc-shaped groove 8 and the second arc-shaped groove 18 and used for locking the blade 2 and the blade seat 7, in particular, the first arc-shaped groove 8 and the second arc-shaped groove 18 are respectively semicircular, the first arc-shaped groove 8 and the second arc-shaped groove 18 are spliced into circular grooves, the retaining cylinder 4 is inserted into the circular grooves, and the retaining cylinder 4 is inserted into the circular grooves, so that the blade 2 and the blade seat 7 cannot be locked and separated from the blade seat 7; pressing the button 3 can disengage the retaining cylinder 4 from the first arcuate slot 8 and the second arcuate slot 18, at which time the blade 2 can be removed.

Referring to fig. 3 to 6, in the present embodiment, a button 3 is movably mounted on a housing 1 through a button cover 9, the button cover 9 is fixed on the housing 1, the button 3 passes through a chute 10 on the button cover 9, a limit portion 11 is formed on an annular protrusion of the button 3, a limit groove 12 is formed at an end portion of the chute 10, the limit portion 11 abuts against the limit groove 12, a first return spring 13 is further sleeved on the button 3, and two ends of the first return spring 13 abut against a retaining cylinder 4 and the limit portion 11 respectively; the backing jack pin 5 is arranged in the shell 1 in a limiting mode through the clamp spring 14, an outer edge 15 is arranged at the end portion of the backing jack pin 5, a second reset spring 16 is sleeved on the backing jack pin 5, the second reset spring 16 abuts against the outer edge 15 and the inner wall of the shell 1, the first reset spring 13 ejects the button 3 to the outside through the limiting portion 11, limiting of the button 3 is achieved through the cooperation of the limiting portion 11 and the limiting groove 12, the button 3 cannot be separated from the shell 1, the first reset spring 13 is further used for driving the button 3 to reset after the pressing is completed, the button 3 drives the backing cylinder 4 and the backing jack pin 5 to eject out when the pressing is completed, the second reset spring 16 is used for driving the backing jack pin 5 and the backing cylinder 4 to reset after the pressing is completed, and the clamp spring 14 is used for limiting the backing jack pin 5.

Referring to fig. 7 to 9, in the present embodiment, a plug-in portion 17 is disposed on the blade 2, a slot 6 is disposed on the blade seat 7, the plug-in portion 17 is disposed in the slot 6, a first arc-shaped slot 8 is disposed on the plug-in portion 17, and a second arc-shaped slot 18 is disposed on one side of the slot 6.

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 push type tool changing, includes casing (1), install blade (2) through blade quick change mechanism demountable installation in casing (1), its characterized in that: the blade quick-change mechanism comprises a button (3), a retaining cylinder (4) and a backing top pin (5), wherein the button (3) and the backing top pin (5) are respectively movably installed at the upper end and the lower end of the shell (1), the retaining cylinder (4) is arranged between the button (3) and the backing top pin (5), a blade seat (7) is arranged in the shell (1), the blade (2) is installed on the blade seat (7), a first arc-shaped groove (8) is formed in the blade (2), a second arc-shaped groove (18) is formed in the blade seat (7), the first arc-shaped groove (8) and the second arc-shaped groove (18) are symmetrically arranged, and the retaining cylinder (4) is inserted between the first arc-shaped groove (8) and the second arc-shaped groove (18) and is used for locking the blade (2) and the blade seat (7); the push button (3) is pressed to separate the retaining cylinder (4) from the first arc-shaped groove (8) and the second arc-shaped groove (18), so that the blade (2) can be detached.

2. The push type tube cutter for changing a cutter according to claim 1, wherein: the button (3) is movably mounted on the shell (1) through a button cover (9), the button cover (9) is fixed on the shell (1), and the button (3) penetrates through a sliding groove (10) on the button cover (9).

3. The push type tube cutter for changing a cutter according to claim 2, wherein: the annular bulge is formed with spacing portion (11) on button (3), the tip of spout (10) is spacing groove (12), spacing portion (11) support and lean on spacing groove (12), still the cover is equipped with first reset spring (13) on button (3), the both ends of first reset spring (13) support respectively on stopping cylinder (4) and spacing portion (11).

4. The push type tube cutter for changing a cutter according to claim 1, wherein: the backing top pin (5) is installed in the shell (1) in a limiting mode through the clamp spring (14), an outer edge (15) is arranged at the end portion of the backing top pin (5), a second reset spring (16) is sleeved on the backing top pin (5), and the second reset spring (16) abuts against the outer edge (15) and the inner wall of the shell (1).

5. The push type tube cutter for changing a cutter according to claim 1, wherein: the first arc-shaped groove (8) and the second arc-shaped groove (18) are semicircular, the first arc-shaped groove (8) and the second arc-shaped groove (18) are spliced into a circular groove, and the backstop cylinder (4) is inserted into the circular groove.

6. The push type tube cutter for changing a cutter according to claim 1, wherein: the blade (2) is provided with a plug-in part (17), the blade seat (7) is provided with a slot (6), and the plug-in part (17) is arranged in the slot (6).

7. The push type tube cutter for changing a knife according to claim 6, wherein: the first arc-shaped groove (8) is arranged on the inserting part (17), and the second arc-shaped groove (18) is arranged on one side of the slot (6).