CN201300246Y - Pipe cutter - Google Patents

Abstract

The utility model discloses a pipe cutter, it is equipped with a body, a loop bar, one actuates group and an operating head, this body is equipped with a cover in the rear end and establishes pipe and a buckle spare, this loop bar slidable ground establishes the pipe with the cover and combines together and be equipped with several constant head tank and two slot holes, should actuate group and loop bar and combine together and be equipped with a combination frame, a connecting rod and an elastic component, this combination is erect in the loop bar and is equipped with a combination pole, a perforation that is linked together with two slot holes and one locate perforation and two slot hole between combination bolt, locate in the loop bar and be equipped with a logical groove that registrates with the combination pole slidable ground in this connecting rod, and the elastic component cover is located on the combination pole and between combination frame and connecting rod, this operating head combines together with the connecting rod and spiral shell bar is closed mutually, through constituting a pipe cutter person that can accurately operate and can avoid the blade to destroy.

Description

pipe cutter

technical field

The utility model relates to a pipe cutter for cutting pipe fittings, in particular to a pipe cutter which can be operated accurately and avoid blade damage, and belongs to the technical field of pipe cutters.

Background technique

The existing pipe cutter mainly cuts the pipe fittings by means of rotation and progressive shearing, please refer to Figure 5 and Figure 6, the existing pipe cutter 60 is mainly equipped with a body 61 and a set of rods 62 1. An actuating rod 63 and an operating head 64. The body 61 is a slightly C-shaped structure, and several wheel bodies 611 that are rotatable are provided in the front end transversely. The sleeve tube 612 corresponding to the wheel body 611, and the body 61 is provided with a buckle 613 that can be pressed and moved near the sleeve tube 612. The sleeve rod 62 is a hollow rod body and is slidably sleeved with the body 61 612, and the sleeve rod 62 is provided with an internal thread 621 on the inner surface and several positioning grooves 622 that can be engaged with the buckle 613 are recessed on the outer surface, and the actuating rod 63 is combined with the sleeve rod 62 And be provided with a blade 631, one end of this actuating rod 63 stretches out sleeve rod 62 toward wheel body 611 direction, and blade 631 is rotatably arranged on actuating rod 63 and stretches out one end of sleeve rod 62, and operating head 64 is located at The other end of the actuating rod 63 is combined and screwed with the internal thread 621 of the sleeve rod 62 at the same time;

When the existing pipe cutter 60 is used, the pipe fitting 50 to be cut is placed on one end of the wheel 611 of the main body 61 first, and then the buckle 613 is pressed to disengage the buckle 613 from the positioning groove on the sleeve rod 62 622, push the sleeve bar 62 to move towards the wheel body 611, so that the blade 631 of the actuating bar 63 is against the outer surface of the pipe fitting 50 to be cut. At this time, the body 61 is rotated relative to the pipe fitting 50 to make The blade 631 rolls along the outer surface of the pipe 50, and at the same time, the operating head 64 is rotated to push the actuating rod 63 to move toward the wheel body 611, so as to achieve the purpose of cutting the pipe 50 with the blade 631;

However, although the existing pipe cutter 60 can achieve the purpose of gradually cutting the pipe fitting 50, when cutting the pipe fitting 50, since the feeding distance of the blade 631 cannot be accurately known, it is still necessary to continuously rotate the main body 61 while cutting the pipe fitting 50. Rotate the operating head 64, by allowing the blade 631 to cut through the pipe fitting 50, plus the rigid structure of the integrally formed actuating rod 63 of the existing pipe cutter 60, it is easy to cause the actuating rod 63 and the blade 631 to be excessive due to improper force application. Pressing firmly against the outer surface of the pipe fitting 50 will not only easily damage the blade 631, but also easily deform the cutting part of the pipe fitting 50 to form an uneven cutting surface when excessively pressing against the cutting pipe fitting 50. The unevenness of the cutting surface may affect the smoothness of the fluid flow in the pipe fitting 50 in the subsequent use of the socket, and there is room for improvement.

Contents of the invention

Therefore, in view of the shortcomings and deficiencies of the existing pipe cutters in structure and use, the inventor of the present invention has finally developed a utility model that can improve the existing deficiencies through continuous research and testing.

The main purpose of this utility model is to provide a pipe cutter, which can accurately cut pipes through scale measurement, and at the same time, through the elastic operation method, it can effectively avoid the The phenomenon of damage to the blade in the middle, and then provide a purpose that can be operated accurately and can avoid damage to the blade.

In order to achieve the above purpose, the utility model provides a pipe cutter, which includes a body, a set of rods, an actuating group and an operating head, wherein:

The body is horizontally provided with several rotatable wheels, and the rear end of the body is provided with a sleeve pipe corresponding to the wheels;

The sleeve rod is slidably combined with the sleeve pipe of the body, wherein the sleeve rod is provided with a long hole on two opposite side walls near one end of the wheel body;

The actuating group is combined with the sleeve rod and is provided with a coupling frame, a connecting rod and an elastic member. A combination groove, and a combination rod is arranged in the combination groove, the rear end of the combination rod extends out of the combination frame, and the combination frame is also transversely penetrated with a perforation that communicates with the combination groove and the two long holes of the sleeve rod. There is a coupling bolt extending into the two long holes of the sleeve rod, and the coupling frame is provided with a blade that can rotate relative to the coupling frame at the front end of the sleeve rod. There is a through slot fitted with the connecting rod, and the elastic member is sleeved on the connecting rod and interposed between the connecting frame and the connecting rod; and

The operating head is combined with the connecting rod of the actuating group and screwed with the sleeve rod.

Preferably, the sleeve rod is provided with a scale under each long hole.

Preferably, the sleeve rod is provided with an internal thread on the inner surface close to the rear end, the connecting rod is further provided with a screw hole axially at the rear end, and the operating head is provided with a screw thread on the inner surface of the sleeve rod. The screw rod, and a locking piece that passes through the screw rod and is screwed with the screw hole of the connecting rod is provided at the center of the operating head.

Preferably, the body is provided with a press-movable buckle near the sleeve tube, the buckle is provided with a positioning column extending into the sleeve tube, and the sleeve rod is provided with several pieces on the bottom surface that can be connected with The positioning slot for engaging with the positioning column of the buckle.

Preferably, the casing tube of the body is provided with a casing hole with a substantially square cross-section.

Preferably, the main body is a slightly C-shaped structure.

Through the above-mentioned technical means, the pipe cutter of the present utility model has at least the following advantages and effects:

1. Accurate operation: The pipe cutter of the utility model can observe the moving distance of the coupling bolt relative to the two long holes of the sleeve rod when cutting the pipe, as the basis for judging whether the pipe has been completely cut, which can effectively avoid excessive rotation and Phenomenon that pressurizes the operating head.

2. Avoid damage: the pipe cutter of the utility model can judge whether the pipe has been completely cut through the movement of the coupling bolt, and can also provide elastic parts located at the front end of the coupling frame through the way of installing elastic parts between the connecting rod and the coupling frame. The cushioning effect of the blade can not only effectively avoid the damage caused by the excessive pressure of the blade against the pipe due to improper force, but also avoid the deformation and uneven cutting surface of the pipe at the cutting place, so that the cutting The cut pipe fittings will not affect the flow of fluid in the pipe fittings in the subsequent socketing use.

Description of drawings

Fig. 1 is the appearance perspective view of the pipe cutter of the present utility model;

Fig. 2 is a three-dimensional exploded view of the pipe cutter of the present invention;

Fig. 3 is a schematic diagram of the operation side view of the utility model pipe cutter;

Fig. 4 is a schematic side view of another operation section of the utility model pipe cutter;

Figure 5 is a schematic partial sectional view of the operation of a conventional pipe cutter; and

Fig. 6 is a schematic top view of the operation of the existing pipe cutter.

Detailed ways

The utility model mainly provides a pipe cutter, please refer to Fig. 1 to Fig. 3, it can be seen from the figure that the pipe cutter of the present utility model mainly includes a body 10, a set of rods 20, and an actuating group 30 and an operation head 40, wherein:

The main body 10 has a slightly C-shaped structure, and several rotatable wheel bodies 11 are arranged laterally at the front end, and a sleeve pipe 12 corresponding to the wheel body 11 is arranged at the rear end of the main body 10. Preferably, the sleeve tube 12 is provided with a sleeve hole with a slightly square cross-section, and the body 10 is provided with a buckle 13 that can be pressed and moved near the sleeve tube 12. Preferably, the buckle 13 is set There is a positioning column 131 extending into the casing pipe 12;

The sleeve rod 20 is a hollow rod body and is slidably combined with the casing tube 12 of the body 10. The sleeve rod 20 is provided with several positioning grooves 21 on the bottom surface that can be engaged with the positioning posts 131 of the buckle 13, so that The sleeve rod 20 is adjustable to move toward the wheel body 11 and can be positioned on the body 10. The sleeve rod 20 is provided with a long hole 22 on the two opposite side walls near the end of the wheel body 11. A scale 23 is provided below each long hole 22, and an internal thread 24 is provided on the inner surface of the sleeve rod 20 near the rear end;

The actuating group 30 is combined with the sleeve rod 20 and is provided with a coupling frame 31, a connecting rod 32 and an elastic member 33. The front end of the frame 31 extends out of the sleeve rod 20 and extends toward the wheel body 11, and the coupling frame 31 is axially provided with a coupling groove 311 at the center, and is provided with a coupling rod 312 in the coupling groove 311, wherein the coupling The rear end of the rod 312 stretches out of the coupling frame 31, and the coupling frame 31 is provided with a perforation 313 that communicates with the coupling groove 311 and the two long holes 22 of the cover rod 20 in a transverse direction. Set to the connecting bolt 314 in the two long holes 22 of the cover rod 20, and the front end of the connecting frame 31 protruding from the cover rod 20 is provided with a blade 315 that can rotate relative to the connecting frame 31, and the connecting rod 32 is slidably arranged on the cover rod 20 and at the front end is provided with a through groove 321 fitted with the connecting rod 312, and the connecting rod 32 is provided with a screw hole 322 axially at the rear end, and the elastic member 33 is sleeved on the connecting rod 312 and interposed between the connecting rod 312. Between the frame 31 and the connecting rod 32, a cushioning effect is provided by combining the blade 315 of the frame 31; and

The operating head 40 is combined with the actuating group 30 and the sleeve rod 20. The inner surface of the operating head 40 is provided with a screw rod 41 which is screwed with the internal thread 34 of the sleeve rod 20, and a penetrating screw rod 41 is provided at the center of the operating head 40. The screw rod 41 and the locking member 42 screwed into the screw hole 322 of the connecting rod 32 .

When using the pipe cutter of the present invention to cut the pipe fitting 50, please refer to FIGS. The main body 10 presses the buckle 13 to separate the positioning column 131 from the positioning groove 21 of the sleeve rod 20, so that the sleeve rod 20 can move toward the wheel body 11 relative to the sleeve tube 12, so that the pipe fitting 50 to be cut can be clamped on the Between the wheel body 11 and the blade 315 of the actuating group 30, at the same time, through the scale 23 on the sleeve rod 20, the user can record the position of the coupling bolt 314 in the two long holes 22;

When the pipe fitting 50 to be cut is sandwiched between the wheel body 11 and the blade 315, the body 10 is rotated relative to the pipe fitting 50 and the operating head 40 is rotated relative to the sleeve rod 20 at the same time, and then the connecting rod 32 located in the sleeve rod 20 is pushed toward the wheel body. 11, and at the same time push the combination frame 31 through the elastic member 33, so that the blade 315 gradually moves toward the inside of the tube 50 for cutting. , and then make the blade 315 roll toward the inside of the pipe fitting 50 to be cut, wherein when the moving distance of the coupling bolt 314 relative to the two long holes 22 of the sleeve rod 20 is the same as the thickness of the pipe fitting 50 to be cut, it means that the blade 315 has completely cut the pipe fitting 50 cut off.

Through the above-mentioned technical means, when the pipe cutter of the present invention cuts the pipe fitting 50, it can be used as a basis for judging whether the pipe fitting 50 has been completely cut by observing the moving distance of the coupling bolt 314 relative to the two long holes 22 of the sleeve rod 20. Not only can avoid excessive rotation and pressurization of the operating head 40, but also provide a cushioning effect for the blade 315 located at the front end of the coupling frame 31 through the elastic member 33 arranged between the connecting rod 32 and the coupling frame 31, which can not only effectively avoid the impact caused by the application. Improper force causes the blade 315 to be excessively pressed against the pipe fitting 50 to cause damage, and it can avoid deformation and uneven cutting surface of the pipe fitting 50 at the cutting place, so that the pipe fitting 50 after cutting can be socketed in the subsequent In use, it will not affect the flow of fluid in the tube 50, by providing a cutting tube that can be operated accurately and can avoid damage to the blade.

Claims (9)

1. A pipe cutter comprising a body, a set of rods, an actuating group and an operating head, characterized in that: The body is horizontally provided with several rotatable wheel bodies at the front end, and a sleeve pipe corresponding to the wheel bodies is provided at the rear end of the body; The sleeve rod is slidably combined with the sleeve pipe of the body, wherein the sleeve rod is provided with a long hole on two opposite side walls near one end of the wheel body; The actuating group is combined with the sleeve rod and is provided with a coupling frame, a connecting rod and an elastic member. A combination groove, and a combination rod is arranged in the combination groove, the rear end of the combination rod extends out of the combination frame, and the combination frame is also transversely penetrated with a perforation that communicates with the combination groove and the two long holes of the sleeve rod. There is a coupling bolt extending into the two long holes of the sleeve rod, and the coupling frame is provided with a blade that can rotate relative to the coupling frame at the front end of the sleeve rod. There is a through slot fitted with the connecting rod, and the elastic member is sleeved on the connecting rod and interposed between the connecting frame and the connecting rod; and The operating head is combined with the connecting rod of the actuating group and screwed with the sleeve rod. 2 . The pipe cutter according to claim 1 , wherein a scale is provided on the sleeve rod below each long hole. 3 . 3. The pipe cutter according to claim 1 or 2, wherein the sleeve rod is provided with an internal thread on the inner surface near the rear end, and the connecting rod is provided with a screw hole axially at the rear end, and the operation The inner surface of the head is protruded with a screw threaded with the inner thread of the sleeve rod, and a locking member is provided at the center of the operating head through the screw and threaded with the screw hole of the connecting rod. 4. The pipe cutter according to claim 3, characterized in that, the body is provided with a buckle that can be pressed and moved near the sleeve pipe, and the buckle is provided with a positioning member extending into the sleeve pipe. column, and the bottom surface of the rod is provided with several positioning grooves that can be engaged with the positioning column of the buckle. 5 . The pipe cutter according to claim 4 , wherein the casing tube of the body is roughly a square cross-section casing hole. 5 . 6 . The pipe cutter as claimed in claim 5 , wherein the main body is in a slightly C-shaped structure. 7. The pipe cutter according to claim 1, characterized in that, the body is provided with a buckle that can be pressed and moved near the sleeve pipe, and the buckle is provided with a positioning member extending into the sleeve pipe. column, and the bottom surface of the rod is provided with several positioning grooves that can be engaged with the positioning column of the buckle. 8 . The pipe cutter according to claim 1 , wherein the casing tube of the body is provided with a casing hole with a substantially square cross-section. 9 . 9 . The pipe cutter as claimed in claim 1 , wherein the main body is a substantially C-shaped structure.

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