TWM632473U - Tube cutter - Google Patents

Abstract

This creation relates to a pipe cutter, which is mainly provided with a C-shaped notch at one end of the body of the pipe cutter, and a knife chamber in the body of the pipe cutter, for a blade to be installed inside, and to make the blade The cutting edge part of the cutter extends out of the knife chamber to form a pipe space together with the C-shaped notch, and the pipe cutter body is pivotally connected with a second handle relative to the first handle, and is connected to the first handle. A blade driving unit is arranged between the second handle and the blade to connect with the blade, and the pipe cutter body is provided with at least one insertion hole at the reset line corresponding to the blade, for the positioning pin to be inserted inside. , so that when in use, the positioning pin can be inserted at the proper position of the blade reset line according to the diameter of the pipe to be cut, so as to limit the opening angle of the blade after reset, thereby reducing the blade The stroke of pipe cutting can effectively improve the cutting efficiency of pipe fittings.

Description

pipe cutter

This creation relates to the technical field of pipe cutting, especially a hand-operated pipe cutter.

Press, when carrying out hydropower and other projects, there is usually a need to adjust the length of the pipeline configuration. Therefore, construction workers often use all pipe tools to cut plastic pipe fittings to the required length.

The existing pipe cutter mainly includes a pipe cutter body, and a blade is pivotally connected to the pipe cutter body, and the cutting edge of the blade and the C-shaped notch of the pipe cutter body together form all the pipe space, and the cutter body is formed. The tube body is pivotally connected with a second handle relative to the first handle, and a blade driving unit is arranged between the first handle and the second handle to be connected with the blade, so that when in use Force is applied to the second handle, so that the blade drive unit drives the blade to feed a preset distance, and then presses the second handle for many times, the blade will gradually feed to cut off the pipe, and then reset the blade Then do another pipe cutting, so according to the design of the existing pipe cutter, no matter the diameter of the pipe to be cut, the user must make the blade move from the original opening angle until the pipe is cut off. , and this cutting method of pipe fittings causes improper waste of working hours and extremely lacks construction efficiency.

The reason is that the creator, in view of the above-mentioned deficiencies in the use and implementation of the existing pipe cutters, has used his years of manufacturing and design experience and knowledge in related fields to create this creation through ingenious research.

This creation is about a pipe cutter, the main purpose of which is to provide a pipe cutter that can match the size of the cutting pipe diameter and adjust the opening angle of the blade, so as to effectively improve the cutting efficiency of pipe fittings.

In order to achieve the above implementation purpose, the author has developed the following pipe cutter, which mainly includes all pipe cutter bodies, and a C-shaped notch is provided at one end of the pipe cutter body, and the pipe cutter body is formed by its C-shaped notch. The notch extends to the other end of the pipe cutter body to form a first handle, and a knife accommodating chamber is arranged in the pipe cutter body, and also includes a blade, the blade is arranged in the knife accommodating chamber, and makes the The blade portion of the blade extends out of the chamber to form a pipe space together with the C-shaped notch, and also includes a second handle, which is set up opposite to the first handle of the pipe cutter body , and one end of the second handle is pivotally connected with the pipe cutter body, and a blade driving unit is arranged on the first handle and the second handle to connect with the blade; wherein, the pipe cutter The cutter body system is preset with a blade reset movement line in its knife chamber, and the pipe cutter body is provided with at least one insertion hole at the position corresponding to the blade reset movement line, and also includes a positioning pin to be inserted into the cutter body. At least one socket is provided, so that the positioning pin is arranged at the proper position of the reset line of the blade.

The pipe cutter as described above, wherein the positioning tip is in transition fit with the socket.

The pipe cutter as described above, wherein, the pipe cutter body system is provided with two insertion holes spaced along the return line of the blade.

The pipe cutter as described above, wherein the blade driving unit includes a stopper and a toggle piece established adjacently, the stopper is pivotally connected with the pipe cutter body, and the toggle piece It is pivotally connected with the second handle, and the blade is formed with a curved segment on the other side of the blade portion, and a number of ratchet teeth are arranged along the curved segment, and the stopper and the dial are formed. The end of the moving piece is engaged with the ratchet teeth of the blade, and a first torsion spring is arranged on the body of the pipe cutter, and the two ends of the first torsion spring are respectively connected to the blade and the stopper. In addition, a second torsion spring is arranged on the second handle set, and the two ends of the second torsion spring are respectively connected with the second handle and the toggle element.

In this way, when in use, the positioning pin can be inserted into the proper position of the blade reset line according to the diameter of the pipe to be cut, so as to limit the opening angle of the blade after reset, thereby reducing the amount The cutting stroke can effectively improve the cutting efficiency of pipe fittings.

In order to make the technical means of this creation and the effects that can be achieved, a more complete and clear disclosure, the detailed description is as follows, please refer to the disclosed drawings and drawing numbers together:

First of all, please refer to the first to third pictures. The pipe cutter for this creation mainly includes:

The pipe cutter body (1) is made so that one end of the pipe cutter body (1) is provided with a C-shaped notch (11), and the pipe cutter body (1) is directed from the C-shaped notch (11) to the pipe cutter The other end of the main body (1) extends to form a first handle (12), and a knife accommodating chamber (13) is arranged in the pipe cutter main body (1);

A blade (2), the blade (2) is arranged in the knife-accommodating chamber (13) of the pipe cutter body (1), and is pivotally connected with the pipe cutter body (1), so that the blade ( 2) The blade portion (21) of the knife extends out of the knife-receiving chamber (13) to form a cutting space (14) together with the C-shaped notch (11) of the pipe cutter body (1). 2) forming a curved segment on the other side of the blade portion (21), and along the curved segment, there are several ratchet teeth (22);

A second handle (3) is set up opposite to the first handle (12) of the pipe cutter body (1), and one end of the second handle (3) is pivotally connected with the pipe cutter body (1);

A blade driving unit (4) is disposed between the second handle (3) and the pipe cutter body (1), and includes a stopper (41) and a toggle (41) established adjacently. 42), the stopper (41) is pivotally connected with the pipe cutter body (1), and the toggle element (42) is pivotally connected to the second handle (3), and the stopper (42) is pivotally connected to the second handle (3). The ends of the blocking piece (41) and the toggle piece (42) are engaged with the ratchet teeth (22) provided on the blade (2), and a first torsion spring (43) is assembled on the pipe cutter body (1). ), the two ends of the first torsion spring (43) are connected to the blade (2) and the stopper (41) respectively, and a second torsion spring (44) is set on the second handle (3) ), and make the two ends of the second torsion spring (44) connect with the second handle (3) and the toggle (42) respectively; wherein:

The knife-receiving chamber (13) of the pipe cutter body (1) is preset with a blade (2) reset movement line, and the pipe cutter body (1) is set at the position corresponding to the return line of the blade (2). There is at least one insertion hole (15), and the main embodiment of the present invention is that a first insertion hole (151) and a second insertion hole (152) are arranged at intervals along the reset movement line of the blade (2), and a positioning The pin (5) is inserted into the at least one insertion hole (15), so that the positioning pin (5) is arranged at the proper position of the reset line of the blade (2), and the positioning pin (5) ) is in transition fit with the socket (15), so that the positioning pin (5) is stably inserted in the socket (15) and does not fall off.

Accordingly, when using and implementing, the positioning pin (5) is firstly inserted into the first insertion hole (151), so that the positioning pin (5) is abutted against one side of the blade (2). Please also refer to Figure 4. After the user places the pipe (6) in the pipe cutting space (14) formed by the blade (2) and the C-shaped notch (11) of the pipe cutter body (1) , and then hold the first handle (12) and the second handle (3) of the pipe cutter body (1), and then apply force to press the second handle (3), so that the assembly is The toggle piece (42) of the second handle (3) pushes against the first ratchet tooth (22) of the blade (2) to drive the blade (2) to the C-shaped notch (11) of the pipe cutter body (1). ) direction, and when the toggle member (42) toggles the blade (2) to feed, the stopper (41) will be locked at one of the ratchet teeth (22) of the blade (2) to prevent The blade (2) is positioned at the feeding position, then the user releases the pressing on the second handle (3), at this time, the toggle member (42) is pushed by the second torsion spring (44) Raise the second ratchet (22) of the blade (2), so that when the second handle (3) is pressed, the toggle (42) pushes against the second ratchet (22) of the blade (2). ) to drive the blade (2) to further feed, according to this, please also refer to the fifth figure, press and release the second handle (3) repeatedly to drive the blade (2) to continue to the C-shaped notch (11). ) direction to cut off the pipe (6).

And when the user wants to cut the tube (6) next time, please refer to the third figure again, the ends of the toggle member (42) and the stopper (41) are disengaged from the The ratchet teeth (22) of the blade (2) are engaged. At this time, the first torsion spring (43) compressed by the feeding of the blade (2) will return to its original state and drive the blade (2) to reset. A positioning pin (5) is inserted at the reset moving line of the blade (2), therefore, when the blade (2) is reset, it will touch the positioning pin (5), and be stopped by the positioning pin (5), so that the blade (2) will be stopped. The blade (2) is positioned at the desired opening angle, avoiding the complete reset of the blade (2), thus reducing the feed stroke of the blade (2) to cut the pipe (6) and pressing the first The number of times of holding the handle (3) can effectively improve the cutting efficiency of the pipe fitting (6).

The above-mentioned embodiments or drawings do not limit the implementation of the pipe cutter of the present invention. When the user wants to cut the pipe (6) with a larger diameter, please refer to the sixth figure. Insert the positioning pin (5) into the second insertion hole (152) of the pipe cutter body (1), so that the blade (2) can be reset to the positioning pin inserted in the second insertion hole (152) (5) The touch positioning can present a larger opening angle, so that the pipe fitting (6) with a large diameter can be placed in the cutting space (14), so as to achieve the effect of convenient cutting of the pipe fitting (6) with a large diameter , here, any appropriate changes or modifications made by those with ordinary knowledge in the technical field should be regarded as not departing from the scope of the patent of this creation.

As can be seen from the above structure and implementation, the present creation system has the following advantages:

1. The pipe cutter of this creation is set on the pipe cutter body, and its knife chamber is preset with a blade reset movement line, and the pipe cutter body is provided with at least one insertion hole at the position corresponding to the blade reset movement line, In addition, a positioning pin is inserted into the at least one insertion hole, whereby when the blade resets and touches the positioning pin, the blade can be positioned at a desired opening angle to improve the pipe cutting efficiency.

2. In the pipe cutter of this creation, at least one insertion hole is provided on the body of the pipe cutter at the reset line of the corresponding blade, and a positioning pin is inserted into the at least one insertion hole, and the positioning pin and the The jacks are in transitional fit, so that the positioning pin can be stably inserted into the jacks and not fall off.

To sum up, the embodiment of this creation can indeed achieve the expected effect, and the specific structure disclosed is not only not seen in similar products, but also not disclosed before the application, which fully complies with the provisions of the patent law and Request, to file an application for a new type of patent according to the law, please be kind to review, and grant the patent, then I really appreciate it.

1: Pipe cutter body

11: Notch

12: The first handle

13: Knife room

14: Cutting space

15: jack

151: The first jack

152: second jack

2: Blade

21: Blade part

22: Ratchet

3: The second handle

4: Blade drive unit

41: Stopper

42: toggle

43: First torsion spring

44: Second torsion spring

5: Positioning tip

6: Pipe fittings

The first picture: the three-dimensional exploded view of this creation

The second picture: the three-dimensional view of this creation

Figure 3: Sectional view of this creation

The fourth picture: the use state diagram of this creation (1)

Figure 5: The state diagram of this creation (2)

Figure 6: Another implementation and use state diagram of this creation

1: Pipe cutter body

11: Notch

12: The first handle

14: Cutting space

15: jack

151: The first jack

152: second jack

21: Blade part

3: The second handle

4: Blade drive unit

5: Positioning tip

Claims (4)

A pipe cutter mainly includes a pipe cutter body, and one end of the pipe cutter body is provided with a C-shaped notch, and the pipe cutter body is formed by extending from the C-shaped notch to the other end of the pipe cutter body. A first handle is provided with a knife-accommodating chamber in the pipe cutter body, and a blade is also included. The blade is arranged in the knife-accommodating chamber, and the blade portion of the blade extends out of the knife-accommodating chamber, so as to Together with the C-shaped notch, a tube space is formed, and a second handle is included. The second handle is set up opposite to the first handle of the pipe cutter body, and one end of the second handle is connected to the cutter body. The pipe cutter body is pivotally connected, and a blade driving unit is arranged on the first handle and the second handle to connect with the blade; wherein, the pipe cutter body is preset with a blade in its knife accommodating chamber The reset movement line is set, and the pipe cutter body is provided with at least one insertion hole at the position corresponding to the return movement line of the blade, and also includes a positioning pin to be inserted into the at least one insertion hole, so that the positioning pin is arranged in the The proper position of the reset line of the blade. The pipe cutter of claim 1, wherein the positioning tip is in transition fit with the socket. The pipe cutter according to claim 1, wherein the pipe cutter body system is provided with two insertion holes at intervals along the return line of the blade. The pipe cutter according to claim 1, wherein the blade driving unit comprises a stopper and a toggle element established adjacently, the stopper is pivotally connected with the pipe cutter body, and the The toggle piece is pivotally connected with the second handle, and the blade is formed with a curved segment on the other side of the blade portion, and a number of ratchet teeth are arranged along the curved segment to make the stopper And the end of the toggle piece is engaged with the ratchet teeth of the blade, and a first torsion spring is set on the pipe cutter body, and the two ends of the first torsion spring are respectively connected with the blade and the stopper A second torsion spring is arranged on the second handle set, and the two ends of the second torsion spring are respectively connected to the second handle and the toggle element.

Images