CN201140405Y - pipe cutter - Google Patents

Abstract

A pipe cutting pliers mainly comprises a pliers body having a first handle and a second handle pivoted to one side of the first handle, the front end of the first handle is pivoted with a pipe cutting element, the front end of the pipe cutting element is provided with a cutting part, the other end of the pipe cutting element is bent and extended towards the direction of the second accommodating groove to form a pivoting part, an elastic element is arranged between the first handle and the second handle, one end of the pivot element is hooked on the first handle, the other end is hooked on the rear end of the pivot part to pull the pipe cutting element to reciprocate, the pivot element is pivoted in a preset position of the second handle and relatively abuts against the bottom end of the pivot part, when holding the pincer body, the pivot member is rotated by the elastic member to pull the pivot portion back and forth, thereby driving the cutting part to repeatedly cut a pipe, thereby achieving the purposes of convenient operation and labor saving.

Description

pipe cutter

technical field

The utility model relates to a pipe cutter, more specifically, a pipe cutter for cutting plastic pipe fittings.

Background technique

Press, please refer to Fig. 1, which is a schematic diagram of the action of a known pipe cutter. On one side of the first handle 1, in addition, a blade 3 is pivotally mounted on the front end of the first handle 1, and a blade 4 is provided at the front end of the blade 3, so that the front end of the pipe cutting pliers forms a jaw 5, and the rear end of the blade 3 The end is bent and extended between the first handle 1 and a second handle 2, and a tooth portion 6 is formed on the periphery of the rear end. The rear end of the blade 3 is fixed to one end of a crank 7, and the other end of the crank 7 is fixed to the On the second handle 2, the second handle 2 is provided with a push button 8 relative to the tooth portion 6, and a torsion spring 9 is provided on one side of the push button 8, so as to push against the push button 8 and have an elastic restoring force. When cutting a pipe, such as plastic pipe or water pipe, etc., by pressing the second handle 2, the push button 8 is pushed against the tooth portion 6, so that the blade 3 gradually shrinks the jaw 5, and the clamping of the blade portion 4 is adjusted. Hold a pipe, then apply axial force to the first handle 1 and a second handle 2, so that the blade 4 can reach the radial shear pipe, and please refer to Figure 2, which is a known pipe cutting Schematic diagram of another action of the pliers. When cutting a pipe with a smaller diameter, the push button 8 is adjusted to the end of the tooth 6 to make the jaw 5 smaller in diameter. When cutting the pipe, the second handle will be pressed. 2. Push the push button 8 against the tooth portion 6 at the end, causing the push button 8 to break away from the blade 3, so that the pipe cutter cannot continue to cut the pipe, and when the pipe is half cut, the first handle 1 and the first handle 1 must be opened again. A second handle 2, make the push key 8 push against the tooth portion 6 again, and then continue to press the second handle 2, make the push key 8 push against the tooth portion 6, adjust the blade portion 4 to clamp the Pipe material, so the operation is more laborious, and there are many parts, the structure assembly is quite complicated.

Utility model content

The purpose of the utility model is to provide a pipe cutting pliers, which can form a convenient operation and achieve the purpose of labor saving.

The utility model provides a pipe cutter, which is characterized in that it comprises:

A pliers body mainly includes a first handle and a second handle in the shape of a long shell, the second handle is pivotally arranged on one side of the first handle, and the first handle and the second handle are opposite to each other. A first accommodating groove and a second accommodating groove are provided. In addition, the front end of the first handle is recessed with a pivot joint groove, which communicates with the first accommodating groove and is opposite to the front end of the pivot joint groove. There is a pipe cutting seat extending forward integrally near the second handle, and the top surface of the pipe cutting seat is axially recessed with a pipe cutting knife groove;

The pipe cutting element is accommodated in the pivot joint groove, and is an L-shaped bending blade whose bending part is pivotally arranged on the pivot joint groove. There is also a cutting part at the pipe seat, which forms a jaw with the pipe cutting seat, and the other end of the pipe cutting element bends and extends toward the second accommodating groove to form a pivoting part, and the pivoting part The inner side of the bent part relatively abuts against the inner wall of the pivot joint groove;

An elastic element is arranged between the first handle and the second handle, one end of which is hooked in the first accommodating groove, and the other end is hooked in the rear end of the pivoting part;

A pivoting element is pivotally arranged in a predetermined position of the second accommodating groove, and relatively abuts against the bottom end of the pivoting part.

Wherein, the elastic element is a torsion spring, and the free ends of two ends thereof are respectively hooked and buckled by the first accommodating groove and one end of the pivoting part.

Wherein, the side of the pivoting part opposite to the pivoting element is provided with an inclined sliding surface, and an inner corner adjacent to the sliding surface forms a circular-chamfered pushing surface.

Wherein, a protective strip made of rubber is accommodated on the pipe cutting knife groove, and a U-shaped groove is recessed on the protective strip relative to the width of the cutting portion.

Wherein, on the opposite sides of the long axis direction of the pipe cutting sipes, a rectangular limiting part is protruded transversely toward the center, and the two sides of the long axis direction of the protective strip are respectively recessed with a snap part.

Wherein, relative to the other end of the pipe cutting slit, the pipe cutting seat protrudes downward with a half-arc block-shaped pivot joint, and the pivot joint is accommodated in the front end of the second accommodating groove for the The second handle is pivoted on the first handle.

Wherein, the pivotal slot extends into the pivotal portion, so that the bent inner side of the pivotal portion relatively abuts against the inner wall of the pivotal portion.

Wherein, the pivoting element mainly includes a rotating wheel, the rotating wheel is pivotally arranged on a pole, and the two ends of the pole are arranged in the second accommodating groove.

Wherein, the free ends of two ends of a U-shaped buckle are hooked on the opposite sides of the first accommodation groove at the rear end of the first handle, and a hook protrudes from the bottom of the second handle, and the U-shaped buckle is used for hooking. on the hook.

The beneficial effects of the utility model are:

In the pipe cutting pliers provided by the utility model, the second handle is pressed axially to make the pivoting element rotate by pulling the pivoting part back and forth by the elastic element, and then drive the cutting part to repeatedly cut a pipe, and Form a convenient operation and achieve the purpose of labor saving.

Description of drawings

The following preferred embodiments are listed below in conjunction with the accompanying drawings, in order to describe the structure and effect of the present utility model in detail; wherein the accompanying drawings are first briefly described as follows, wherein:

Fig. 1 is a schematic diagram of the use of known pipe cutters.

Fig. 2 is a schematic diagram of another use of the known pipe cutter.

Fig. 3 is the external view of the preferred embodiment for creation.

Fig. 4 is an exploded view of a preferred embodiment of the present invention.

Fig. 5 is a sectional view of A-A in Fig. 3 of a preferred embodiment of the present invention.

Fig. 6 is a schematic diagram of the use of a preferred embodiment of the present invention.

Fig. 7 is another schematic diagram of the use of the preferred embodiment of the present invention.

Detailed ways

Please refer to Fig. 3, which is an appearance view of a preferred embodiment of a pipe cutting pliers of the present invention. The pipe cutting pliers are mainly used for cutting a pipe, and include a pliers body 10, a pipe cutting element 20, a Elastic element 30 and a pivot element 40; Wherein:

Please refer to Fig. 4 again, which is an exploded view of a preferred embodiment of the present utility model. The pliers body 10 mainly includes a first handle 11 and a second handle 12 in the shape of a strip shell. The two handles 12 are pivotally arranged on one side of the lower end of the first handle 11, and the first handle 11 and the second handle 12 are respectively provided with a first accommodating groove 111 and a second accommodating groove 121 opposite to each other. In addition, The front end of the first handle 11 is longitudinally recessed with a pivot groove 112, the pivot groove 112 communicates with the first accommodating groove 111, and is integrally extended forward relative to the front end of the pivot groove 112 near the second handle 12. There is a cutting pipe seat 13, and a circular hole 113 is formed on the inner wall surface of the first accommodation groove 111 close to the pivot joint groove 112, and the first handle 11 is recessed on the top surface of the pipe cutting seat 13 parallel to the first handle 11. The pipe cutting sipe 14, the pipe cutting seat 13 protrudes downwards with respect to the other end of the pipe cutting sipe 14, and has a semi-arc-shaped pivot joint 131 integrally protruding, and the pivot joint 131 is accommodated in the second In the front end of the receiving groove 121, a pivot shaft 132 is arranged transversely, so that the second handle 12 can be pivoted on the first handle 11 and can swing up and down, and the pivoting groove 112 is extended to In the pivot joint 131, in addition, the opposite sides of the first receiving groove 111 at the rear end of the first handle 11 are provided with two free ends of a U-shaped buckle 15, and the bottom of the second handle 12 is opposite to the U. The U-shaped buckle 15 bends and protrudes downward to protrude a hook 16 for the hook 16 to be buckled by the U-shaped buckle 15 when the pipe cutter is not in use.

Please refer to Fig. 5 again, which is a cross-sectional view of A-A in Fig. 3 of a preferred embodiment of the present utility model. A protective strip 17 made of rubber is clamped on the pipe cutting knife groove 14, and is parallel to the protective strip 17. The pipe cutting sipe 14 is recessed with a U-shaped groove 171 for accommodating the pipe cutting element 20, and the opposite sides of the pipe cutting sipe 14 in the direction of the long axis are respectively provided with a rectangular strip protruding transversely toward the center. The limit portion 141 of the protective strip 17 is respectively recessed with a locking portion 172 on both sides of the long axis direction relative to the limit portions 141, so that the protective strip 17 can be inserted from the front end of the pipe cutting knife groove 14. , and the engaging portions 172 are engaged with the limiting portions 141 to be fixed in the pipe cutting sipes 14 .

Still please refer to Fig. 3 to Fig. 4, the pipe cutting element 20 is accommodated in the pivotal groove 112, and is an L-shaped bending blade, and its bending part is pivotally arranged on the pivotal groove 112 , can be tilted and pivoted up and down in the pivoting groove 112, the front end of the pipe cutting element 20 is extended to the pipe cutting seat 13, and a cutting portion 21 is provided opposite to the pipe cutting seat 13, which is connected to the pipe cutting seat 13. A jaw 22 is formed between the pipe cutting seat 13, and the rear end of the pipe cutting element 20 is gradually inclined and extended toward the second accommodation groove 121 to form a pivoting portion 23, and the pivoting portion 23 faces toward the pliers. The lower end of the inner surface 231 in the direction of the mouth 22 is relatively against the inner wall surface of the lower end of the pivotal groove 112 in the pivotal portion 131, and the pivotal portion 23 is provided with an inclined surface relative to the side of the second accommodation groove 12. The sliding surface 232, the inner corner adjacent to the front end of the sliding surface 232 is a pushing surface 233 that forms a rounded chamfer, and the bottom side adjacent to the rear end of the sliding surface 232 is bent slightly upwards, forming A contact portion 234, and the rear end side of the pivoting portion 23 extends backwards and bends upwards with a hook-shaped pulling portion 24;

The elastic element 30 is located between the first handle 11 and the second handle 12, and is a torsion spring, and the free ends of both ends are respectively bent and hooked into the first receiving groove 111. The hole 113, and the pulling part 24 at the rear end of the pivoting part 23 are used to pull the pivoting part 23 to move forward;

The pivoting element 40 mainly includes a runner 41, the runner 41 is pivotally mounted on a rod 42, and the two ends of the rod 42 are respectively fixed on the inner side walls of the second accommodating groove 12 transversely. And close to the pivot 132 , and relatively against the sliding surface 232 of the pivoting part 23 , the pivoting direction of the pivoting element 40 is parallel to the radial direction of the diameter of a pipe placed on the jaw 22 .

In order to further understand the structural features of the utility model, the use of technical means and the expected effects, the usage of the utility model will be described below. It is believed that the utility model can be understood more deeply and specifically, as follows:

Still referring to FIG. 3 , when the pipe cutting pliers is not in use and the U-shaped buckle 15 is not fastened to the hook 16 , at the lower end of the inner surface 231 of the pivoting portion 23 of the pipe cutting element 20 , It is relatively against the inner wall surface of the lower end of the pivot groove 112 in the pivot portion 131, and the contact portion 234 at the rear end of the sliding surface 232 of the pivot portion 23 is relatively against the runner 41 to limit the cutting. Tube element 20 position.

Please refer to Fig. 6 again, when a pipe material 50 is to be cut, the pipe material 50 is a plastic water pipe. Put the jaws 22 of the pre-cut pipe 50 in the radial direction a. The radial direction a is parallel to the cutting part 21. Please refer to FIG. 7 to press the second The handle 12 pivots toward the first handle 11, so that the jaw 22 clamps the pipe material 50, and the second handle 12 is continuously pivoted axially, so that the pipe cutting element 20 is pulled back and forth by the elastic element 30 It tilts up and down, and at the same time, the sliding surface 232 of the pivoting part 23 is against the pivoting element 40. When pivoting, when the pipe 50 is cut to make the jaw 22 smaller, it pushes against the The surface 233 pushes against the pivoting element 40 so that the pivoting portion 23 is placed behind the pivoting element 40 , and the cutting portion 21 gradually cuts the thickness of the pipe 50 in the radial direction, ie completes the purpose of cutting the pipe 50 .

Therefore, the utility model presses the second handle in the axial direction, so that the pivoting element is rotated by pulling the pivoting part back and forth by the elastic element, and then drives the cutting part to cut a pipe, thereby forming a convenient operation and saving labor. Purpose, and its structural assembly is quite simple.

Claims (9)

1. A pipe cutter, characterized in that it comprises: A pliers body mainly includes a first handle and a second handle in the shape of a long shell, the second handle is pivotally arranged on one side of the first handle, and the first handle and the second handle are opposite to each other. A first accommodating groove and a second accommodating groove are provided. In addition, the front end of the first handle is recessed with a pivot joint groove, which communicates with the first accommodating groove and is opposite to the front end of the pivot joint groove. There is a pipe cutting seat extending forward integrally near the second handle, and the top surface of the pipe cutting seat is axially recessed with a pipe cutting knife groove; The pipe cutting element is accommodated in the pivot joint groove, and is an L-shaped bending blade whose bending part is pivotally arranged on the pivot joint groove. There is also a cutting part at the pipe seat, which forms a jaw with the pipe cutting seat, and the other end of the pipe cutting element bends and extends toward the second accommodating groove to form a pivoting part, and the pivoting part The inner side of the bent part relatively abuts against the inner wall of the pivot joint groove; An elastic element is arranged between the first handle and the second handle, one end of which is hooked in the first accommodating groove, and the other end is hooked in the rear end of the pivoting part; A pivoting element is pivotally arranged in a predetermined position of the second accommodating groove, and relatively abuts against the bottom end of the pivoting part. 2. The pipe cutting pliers according to claim 1, wherein the elastic element is a torsion spring, and the free ends at both ends are respectively hooked to the first receiving groove and one end of the pivoting part. 3. The pipe cutter according to claim 1, wherein an inclined sliding surface is provided on the side of the pivoting part opposite to the pivoting element, and an inner corner adjacent to the sliding surface forms a circle The pushing face of the arc chamfer. 4. The pipe cutting pliers according to claim 1, wherein a protective strip made of rubber is accommodated on the pipe cutting knife groove, and a U-shaped groove is recessed on the protective strip relative to the width of the cutting part. groove. 5. The pipe cutting pliers according to claim 4, wherein, on the opposite sides in the direction of the long axis of the pipe cutting sipes, there are respectively protruding rectangular restricting parts transversely toward the center, and the protective Both sides of the bar in the direction of the long axis are respectively recessed with an engaging portion opposite to the position-limiting portions. 6. The pipe cutting pliers according to claim 1, characterized in that, a semi-circular block-shaped pivot joint protrudes integrally from the pipe cutting base relative to the other end of the pipe cutting slit, and the pivot The connecting portion is accommodated in the front end of the second receiving groove for the second handle to be pivotally mounted on the first handle. 7. The pipe cutting pliers according to claim 6, wherein, the pivot groove extends into the pivot portion, so that the bent inner surface of the pivot portion relatively abuts against the inner wall of the pivot portion . 8. The pipe cutting pliers according to claim 1, wherein, the pivoting element mainly comprises a wheel, the wheel is pivotally arranged on a pole, and the two ends of the pole are arranged on the second side. Two storage slots. 9. The pipe cutting pliers according to claim 1, wherein the free ends of two ends of a U-shaped buckle are hooked on the opposite sides of the first receiving groove at the rear end of the first handle, and the second A hook protrudes from the bottom of the two handles, and the U-shaped buckle can be hooked on the hook.

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