CN214055478U

CN214055478U - Pipe cutting knife with automatic unlocking lock catch

Info

Publication number: CN214055478U
Application number: CN202023067300.1U
Authority: CN
Inventors: 符铭杰
Original assignee: Yuyao Bili Tools Co ltd
Current assignee: Zhejiang Bili Tools Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-08-27
Anticipated expiration: 2030-12-18

Abstract

The utility model provides a pipe cutting knife with an automatic unlocking lock catch, which comprises a shell and a movable handle hinged on the shell, wherein a positioning groove is arranged on the handle at the end part of the shell, a positioning column is arranged at one side of the positioning groove, a lock catch is hinged on the movable handle, and the end part of the lock catch is arranged in the positioning groove and matched with the positioning column; when unlocking, the movable handle is pressed, and the lock catch is opened after automatically separating from the positioning column. The utility model relates to a pipe cutting knife with automatic unblock hasp, this pipe cutting knife movable handle go up the reference column cooperation on articulated hasp and the opposite side handle, can make the hasp through the torsional spring when closing all the time with the reference column block, and press movable handle back torsional spring and can drive the hasp and open automatically, this pipe cutting knife's hasp simple structure, and convenient to use need not the manual hasp of opening.

Description

Pipe cutting knife with automatic unlocking lock catch

Technical Field

The utility model relates to a pipe cutting knife technical field especially relates to a pipe cutting knife with automatic unblock hasp.

Background

The pipe cutter is one of the tools frequently used in piping engineering, and is mainly used for cutting and segmenting a pipe body and connecting pipelines such as electric pipelines, water pipelines, gas pipelines and the like. The traditional and conventional tube 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 closed oppositely through the meshing action between the ratchet sheet body and the ratchet block and the linkage action of the connecting rod, and the cutting knife is driven to cut the tube body; the existing pipe cutter is locked by a lock catch on a handle after being closed, and the lock catch needs to be opened and closed manually, so that the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a pipe cutting knife with automatic unblock hasp to overcome among the prior art pipe cutting knife and need manual closure, awkward problem.

(II) technical scheme

In order to solve the technical problem, the utility model provides a pipe cutting knife with an automatic unlocking lock catch, which comprises a shell and a movable handle hinged on the shell, wherein a positioning groove is arranged on a handle at the end part of the shell, a positioning column is arranged at one side of the positioning groove, a lock catch is hinged on the movable handle, the lock catch is made of plastic, and the end part of the lock catch is arranged in the positioning groove and matched with the positioning column; when unlocking, the movable handle is pressed, and the lock catch is opened after automatically separating from the positioning column.

Furthermore, the lock catch is hinged at the end part of the movable handle through a positioning pin and a torsional spring, a stopping part is further arranged on the movable handle, one end of the torsional spring is abutted against the stopping part, a torsional spring groove is arranged on the lock catch, the torsional spring is installed in the torsional spring groove, a stopping surface is further arranged at one end of the torsional spring groove, the other end of the torsional spring is abutted against the stopping surface, the stopping part drives the torsional spring to enable the lock catch to be ejected downwards, a hook is further arranged on the lock catch, a groove is further arranged at the position of the hook, the hook is arranged in the positioning groove, the positioning column is arranged in the groove, one side of the hook is abutted against the positioning column at the moment, the lock catch is clamped in the positioning groove, the lock catch and the positioning column can be kept positioned through the elasticity of the torsional spring, and when the movable handle is pressed, the hook on the lock catch can be separated from the positioning column, the torsional spring promotes will behind the hasp bullet is opened, makes it break away from the constant head tank realizes opening automatically, one side of hasp still is equipped with anti-skidding portion, the bottom of movable handle still is equipped with spacing portion, works as when the hasp expandes, because the one end of torsional spring supports and leans on backstop portion, the hasp is propped up after popping open downwards and is leaned on spacing portion, has played limit function.

(III) advantageous effects

The utility model relates to a pipe cutting knife with automatic unblock hasp, this pipe cutting knife movable handle go up the reference column cooperation on articulated hasp and the opposite side handle, can make the hasp through the torsional spring when closing all the time with the reference column block, and press movable handle back torsional spring and can drive the hasp and open automatically, this pipe cutting knife's hasp simple structure, and convenient to use need not the manual hasp of opening.

Drawings

Fig. 1 is a perspective view of a pipe cutter with an automatic unlocking lock of the present invention;

FIG. 2 is a perspective view of the housing of the tube cutter with the automatic release lock of the present invention;

FIG. 3 is a perspective view of the movable handle of the pipe cutter with the automatic unlocking lock of the present invention;

fig. 4 is an enlarged view of the part a in fig. 3 of the pipe cutter with the automatic unlocking lock catch of the present invention;

FIG. 5 is a perspective view of the locking device of the tube cutter with the automatic unlocking lock of the present invention;

FIG. 6 is a perspective view of the locking device of the tube cutter with the automatic unlocking lock according to the present invention;

fig. 7 is a perspective view of the housing and the lock of the tube cutter with the automatic unlocking lock of the present invention.

Fig. 8 is a partial perspective view of the movable handle of the tube cutter with the automatic unlocking lock of the present invention in the lock-expanded state;

fig. 9 is a partial perspective view of the movable handle at another view angle of the tube cutter with the automatic unlocking lock in the lock-expanded state.

Wherein: the device comprises a shell 1, a movable handle 2, a handle 3, a positioning groove 4, a positioning column 5, a lock catch 6, a positioning pin 7, a torsion spring 8, a stop part 9, a torsion spring groove 10, a stop surface 11, a clamping hook 12, a groove 13, an anti-skid part 14 and a limiting part 15.

Detailed Description

Referring to fig. 1 to 9, in order to solve the above technical problems, the utility model provides a pipe cutter with an automatic unlocking lock catch, which comprises a casing 1 and a movable handle 2 hinged on the casing 1, wherein a positioning groove 4 is arranged on a handle 3 at the end of the casing 1, and a positioning column 5 is arranged on one side of the positioning groove 4; referring to fig. 2 to 5, in this embodiment, a latch 6 is hinged to the movable handle 2, the latch 6 is a plastic part, the end of the latch 6 is disposed in the positioning slot 4 and is matched with the positioning column 5, when unlocking, the movable handle 2 is pressed, the latch 6 is automatically separated from the positioning column 5 and then opened, specifically, the latch 6 is hinged to the end of the movable handle 2 through a positioning pin 7 and a torsion spring 8, wherein a stopping portion 9 is further disposed on the movable handle 2, the latch 6 is disposed at the lower end of the stopping portion 9 to facilitate positioning during assembly, one end of the torsion spring 8 abuts against the stopping portion 9, a torsion spring slot 10 is disposed on the latch 6, the torsion spring 8 is installed in the torsion spring slot 10, one end of the torsion spring slot 10 is further provided with a stopping surface 11, the other end of the torsion spring 8 abuts against the stopping surface 11, and the torsion spring slot 10 is located at the bending position of the stopping surface 11 and is matched with the lower end of the torsion spring 8, so that the torsion spring is not easily separated from the torsion spring slot 10 after assembly, the torsion spring groove 10 and the stopping portion 9 have the effect of facilitating installation of the torsion spring 8, the two ends of the torsion spring are positioned after the torsion spring groove and the stopping portion 9 are assembled, the stopping portion 9 provides elastic force through one end of the torsion spring 8, the other end of the torsion spring 8 pushes the stopping surface 11, and therefore the lock catch 6 is pushed, and therefore the stopping portion 9 and the torsion spring 8 can provide downward elastic force to the lock catch 6 all the time after being matched.

Referring to fig. 5-7, one side of the latch 6 is further provided with an anti-slip portion 14, the latch 6 needs to be manually operated through the anti-slip portion 14 when being closed, the latch 6 is further provided with a hook 12, the hook 12 is further provided with a groove 13, when the latch 6 is in a closed state, the hook 12 is arranged in the positioning groove 4, the positioning column 5 is arranged in the groove 13, the torsion spring 8 pushes the latch 6 downwards, so that the hook 12 always abuts against the positioning column 5, the positioning closure of the latch 6 is realized, when the latch is opened, only the movable handle 2 needs to be pressed, the hook 12 can be separated from the positioning column 5 after the movable handle 2 is contracted, the latch 6 is ejected out under the driving of the torsion spring 8, and the positioning groove 4 is automatically separated.

Referring to fig. 8 and 9, the bottom of the movable handle 2 is further provided with a limiting portion 15, when the latch 6 is in the unfolding state, one end of the torsion spring 8 abuts against the stopping portion 9, the other end of the torsion spring 8 pushes the latch 6 downwards through the stopping surface 11, the latch 6 abuts against the limiting portion 15 after being ejected, the limiting portion 15 plays a role in limiting the position of the latch 6, the latch 6 is enabled to be parallel to the movable handle 2 after being ejected, and the stopping portion 9 enables the latch 6 to always receive the resistance of the torsion spring 8 when being turned upwards.

The utility model relates to a pipe cutting knife with automatic unblock hasp, this pipe cutting knife movable handle go up the reference column cooperation on articulated hasp and the opposite side handle, can make the hasp through the torsional spring when closing all the time with the reference column block, and press movable handle back pothook and break away from the reference column, the torsional spring can drive the hasp automatic opening this moment, this pipe cutting knife's hasp simple structure, and convenient to use, need not the manual hasp of opening.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a pipe cutting knife with automatic unblock hasp, includes casing (1) and articulates movable handle (2) on casing (1), its characterized in that: a positioning groove (4) is formed in a handle (3) at the end of the shell (1), a positioning column (5) is arranged on one side of the positioning groove (4), a lock catch (6) is hinged to the movable handle (2), and the end of the lock catch (6) is arranged in the positioning groove (4) and matched with the positioning column (5); when the lock is unlocked, the movable handle (2) is pressed, and the lock catch (6) is opened after automatically separating from the positioning column (5).

2. The pipe cutter with automatic release lock according to claim 1, wherein: the lock catch (6) is hinged to the end of the movable handle (2) through a positioning pin (7) and a torsion spring (8).

3. The pipe cutter with automatic release lock according to claim 2, wherein: a stopping part (9) is further arranged on the movable handle (2), and one end of the torsion spring (8) is abutted against the stopping part (9).

4. The pipe cutter with automatic release lock according to claim 3, wherein: be equipped with torsional spring groove (10) on hasp (6), torsional spring (8) are installed in torsional spring groove (10).

5. The pipe cutter with automatic release lock according to claim 4, wherein: one end of the torsion spring groove (10) is further provided with a stop surface (11), and the other end of the torsion spring (8) abuts against the stop surface (11).

6. The pipe cutter with automatic release lock according to claim 1, wherein: the lock catch (6) is further provided with a clamping hook (12), a groove (13) is further formed in the position of the clamping hook (12), the clamping hook (12) is arranged in the positioning groove (4), and the positioning column (5) is arranged in the groove (13).

7. The pipe cutter with automatic release lock according to claim 1, wherein: and one side of the lock catch (6) is also provided with an anti-skid part (14).

8. The pipe cutter with automatic release lock according to claim 1, wherein: the lock catch (6) is made of plastic.

9. The pipe cutter with automatic release lock according to claim 1, wherein: the bottom of the movable handle (2) is also provided with a limiting part (15).