CN219924703U

CN219924703U - Pipeline cutting tool

Info

Publication number: CN219924703U
Application number: CN202320885095.4U
Authority: CN
Inventors: 朱海市
Original assignee: Shanghai Yumeng Electronic Technology Co ltd
Current assignee: Shanghai Yumeng Electronic Technology Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-10-31
Anticipated expiration: 2033-04-19

Abstract

The utility model relates to the technical field of cutting tools, in particular to a pipeline cutting tool which is used for solving the problem that the free end of a cut pipeline is easy to drop when the pipeline is cut by the pipeline cutting tool in the prior art, so that the quality of a fracture of the pipeline is reduced; the pipe cutting tool includes a cutter arm and a cutter blade; one end of the cutter arm is movably provided with a protection arm, and the protection arm is matched with the cutter arm to form a closed loop structure for supporting the end part of the pipeline to be cut; according to the utility model, the movable protection arm is arranged on the cutter arm, so that the protection arm and the cutter arm are matched to form a closed loop structure, and the reduction of the quality of a fracture of a pipeline caused by unexpected falling of the pipeline can be effectively prevented.

Description

Pipeline cutting tool

Technical Field

The utility model relates to the technical field of cutting tools, in particular to a pipeline cutting tool.

Background

Operations such as calandria cloth pipe of stainless steel gas pipeline, cutting welding all need single operation in the eminence, need use pipeline cutting tool during the operation, pipeline cutting tool's among the prior art structure includes cutting arm, cutting blade and backing roll of arch structure, when cutting the pipeline, will wait to cut the pipeline earlier and put into between rolling backing roll and the blade, adjust the flexible arm of blade and backing roll cooperation and block backing roll after, the pipeline of waiting to cut of one hand tight cutting knife one side, the pipeline cutting tool is rotated to the other hand clockwise constantly, until the pipeline is cut off. At this time, two sections of pipelines which are cut off are grasped by hands, the free end of the other section is easy to fall off from the opening of the cutter arm of the arch structure and drop on the ground, so that the quality of a fracture is damaged, the use is affected, and in addition, the potential danger that a person is hit by a high-altitude falling object exists. The present utility model is directed to a pipe cutting tool that effectively ameliorates the above-described problems, thereby overcoming the deficiencies in the prior art.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a pipe cutting tool for solving the problem that when a pipe is cut by the pipe cutting tool in the prior art, the free end of the cut pipe is easy to drop, and the quality of the broken pipe is degraded.

To achieve the above and other related objects, the present utility model provides a pipe cutting tool comprising a cutter arm and a cutter blade; the cutting knife arm is formed with a bow part for accommodating a pipeline to be cut, two ends of the bow part are respectively provided with a supporting part and an adjusting part, the supporting part is provided with a supporting mechanism, and the adjusting part is provided with an adjusting mechanism; wherein the supporting mechanism and the adjusting mechanism are matched to clamp the pipeline to be cut, and simultaneously provide the cutting force of the cutting blade; the cutting blade is arranged on the adjusting mechanism and driven by the adjusting mechanism to approach or depart from the supporting mechanism; the cutting blade is matched with the supporting mechanism to clamp or loosen the pipeline to be cut; one end of the cutter arm is movably provided with a protection arm, and the protection arm is matched with the cutter arm to form a closed loop structure for supporting the end part of the pipeline to be cut.

Compared with the structure in the prior art, in the design, the closed loop structure formed by the cooperation of the protection arm and the cutter arm can effectively prevent the pipeline from being separated from the opening of the bow part after being cut off, and the closed loop structure provides a temporary 360-degree supporting closed loop for the free end of the disconnected pipeline so as to prevent the pipeline from being separated accidentally and leading to the reduction of the fracture quality of the pipeline.

Preferably, one end of the protection arm is hinged with the adjusting part of the cutter arm, and the other end of the protection arm is clamped with the supporting part of the cutter arm through a clamping mechanism.

In the design, one end of the protection arm is hinged with the adjusting part of the cutter arm, so that the protection arm can be conveniently opened and closed.

Preferably, the clamping mechanism comprises a slot formed in the supporting part, a clamping groove arranged at the free end of the protection arm and a fastener used for locking; the free end of the protection arm is in plug-in fit with the slot of the supporting part, and the fastener is in limit fit with the clamping groove.

In the design, through the matching of the slot of the supporting part, the clamping groove of the free end of the protection arm and the fastener, the locking and the unlocking of the free end of the protection arm are conveniently realized.

Preferably, rubber pads for increasing friction force with the pipeline to be cut are arranged on the inner sides of the protection arm and the cutter arm.

In the design, through the protection arm with the inboard of cutting the tool arm sets up unsmooth line, can effectively improve the frictional force of waiting to cut pipeline and protection arm, further reduces the risk of waiting to cut pipeline fracture end slippage.

Preferably, the supporting mechanism comprises two rollers rotatably connected with the supporting part, the two rollers are arranged at intervals, and the two rollers are matched to form a limiting groove for supporting the pipeline to be cut.

In the design, the roller and the pipeline to be cut are in rolling friction, and rotate along with the pipeline in the cutting process of the cutting blade, so that scratches caused by sliding friction and closing can be avoided, and the quality of fracture ends is improved.

Preferably, the adjusting mechanism comprises an adjusting knob and a screw rod, the adjusting knob is in threaded connection with the screw rod, the cutting blade is a circular blade, and the cutting blade is rotatably installed at one end, close to the supporting mechanism, of the screw rod.

In the design, through the cooperation of adjust knob and lead screw, conveniently adjust the flexible length of cutting blade according to the pipeline diameter.

As described above, the pipe cutting tool of the present utility model has the following advantageous effects: the pipeline cutting tool is improved in the prior art, the movable protection arm is arranged on the cutter arm, so that the protection arm and the cutter arm are matched to form a closed loop structure, the pipeline is effectively prevented from being accidentally pulled out to cause the quality of a fracture of the pipeline to be reduced, and furthermore, the closed loop structure provides a temporary 360-degree closed loop support for the free end of the disconnected pipeline so as to prevent the pipeline from being accidentally pulled out, and the pipeline is beneficial to the next treatment of the pipeline by the continued work of a suspending operator; and meanwhile, the risk of falling objects at high altitude is avoided.

Drawings

FIG. 1 is a schematic view showing the overall structure of a pipe cutting tool according to an embodiment of the present utility model;

fig. 2 is a schematic view showing a structure of the protection arm in an opened state according to an embodiment of the present utility model;

FIG. 3 is a view showing a state of the pipe cutting tool during a cutting operation according to an embodiment of the present utility model;

fig. 4 is a diagram showing the positional relationship between the pipe to be cut and the protection arm after the pipe is cut in the embodiment of the utility model.

Description of element reference numerals

The cutting tool comprises a cutting arm 1, a cutting blade 2, a pipeline to be cut 3, a bow part 4, a supporting part 5, an adjusting part 6, an adjusting mechanism 7, a supporting mechanism 8, a protection arm 9, a slot 10, a clamping groove 11, a fastener 12, a rubber pad 13, a roller 14, a limit groove 15, an adjusting knob 16, a screw rod 17, a left section pipeline 18, a right section pipeline 19 and a free end 191.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1 to 4. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the disclosure of the present utility model, and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims, so that any structural modifications, proportional changes, or dimensional adjustments should be made without affecting the efficacy or achievement of the present utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

Referring to fig. 1-3, the present embodiment provides a pipe cutting tool, which includes a cutter arm 1 and a cutter blade 2; the cutter arm 1 is formed with a bow part 4 for accommodating a pipeline 3 to be cut (as shown in figure 3), two ends of the bow part 4 are respectively provided with a supporting part 5 and an adjusting part 6, the supporting part 5 is provided with a supporting mechanism 8, and the adjusting part 6 is provided with an adjusting mechanism 7; wherein the supporting mechanism 8 and the adjusting mechanism 7 are matched to clamp the pipeline 3 to be cut, and simultaneously provide the cutting force of the cutting blade 2; the cutting blade 2 is arranged on the adjusting mechanism 7 and is driven by the adjusting mechanism 7 to approach or depart from the supporting mechanism 8; the cutting blade 2 is matched with the supporting mechanism 8 to clamp or loosen the pipeline 3 to be cut; one end of the cutter arm 1 is movably provided with a protective arm 9, the protective arm 9 is also in an arch-shaped structure, and the protective arm 9 and the cutter arm 1 are matched to form a closed loop structure for supporting the end part of the pipeline 3 to be cut (see figure 3). Compared with the structure in the prior art, in the design, the closed loop structure formed by the cooperation of the protection arm 9 and the cutter arm 1 can effectively prevent the pipeline from being separated from the opening of the bow part 4 after being cut, and the closed loop structure provides a temporary 360-degree supporting closed loop for the free end of the disconnected pipeline so as to prevent the pipeline from being separated accidentally and leading to the reduction of the fracture quality of the pipeline.

Referring to fig. 2, in the present embodiment, one end of the protection arm 9 is hinged to the adjusting portion 6 of the cutter arm 1, so as to facilitate opening and closing of the protection arm 9; the other end is clamped with the supporting part 5 of the cutter arm 1 through a clamping mechanism.

Referring to fig. 2, in the present embodiment, the clamping mechanism includes a slot 10 formed in the supporting portion 5, a clamping slot 11 provided at a free end of the protection arm 9, and a fastener 12 for locking; the free end of the protection arm 9 is in plug-in fit with the slot 10 of the supporting part 5, and the fastener 12 is in limit fit with the clamping groove 11. In the design, the locking and unlocking of the free end of the protection arm 9 are conveniently realized through the matching of the slot 10 of the support part 5, the clamping groove 11 of the free end of the protection arm 9 and the fastener 12.

Referring to fig. 1-3, in the present embodiment, the inner sides of the protection arm 9 and the cutter arm 1 are provided with rubber pads 13 for increasing friction with the pipe 3 to be cut, and further, a surface of the rubber pad 13 contacting with the pipe 3 to be cut is formed with concave-convex lines for increasing friction with the pipe 3 to be cut.

In this design, through set up rubber pad 13 and unsmooth line in the inboard of protection arm 9 and cutting knife arm 1, can effectively improve the frictional force of waiting to cut pipeline 3 and protection arm 9, further reduce the risk of waiting to cut pipeline 3 fracture end slippage.

Referring to fig. 1-3, in the present embodiment, the supporting mechanism 8 includes two rollers 14 rotatably connected to the supporting portion 5, where the two rollers 14 are spaced apart, and cooperate to form a limiting slot 15 for supporting the pipe 3 to be cut, and further, the rollers 14 may be replaced by bearings. In the design, the roller 14 and the pipeline 3 to be cut are in rolling friction, and rotate along with the pipeline in the cutting process of the cutting blade 2, so that scratches caused by sliding friction and closing can be avoided, and the quality of fracture ends is improved.

Referring to fig. 1-3, in the present embodiment, the adjusting mechanism 7 includes an adjusting knob 16 and a screw 17, the adjusting knob 16 is screwed with the screw 17, the cutting blade 2 is a circular blade, and is rotatably mounted on an end of the screw 17 near the supporting mechanism 8. In this design, through the cooperation of adjust knob 16 and lead screw 17, the flexible length of convenient regulation cutting blade 2 according to the pipeline diameter.

Referring to fig. 3-4, when in use, the pipe 3 to be cut is vertically placed between the roller 14 and the cutter blade 2, the distance between the cutter blade 2 and the roller 14 is adjusted by adjusting the adjusting knob 16, and a certain cutting force is generated after the pipe is clamped, at this time, the protection arm 9 and the cutter arm 1 are buckled and locked to form a closed loop anti-falling protection for the pipe 3 to be cut. The left section of tubing 18 on one side of the cutter arm 1 is then gripped with one hand and the tubing cutting tool is rotated clockwise with the other hand until the tubing 3 to be cut is severed. The two lengths of tubing now severed, the left length of tubing 18, are grasped by the hand, and the free end 191 of the right length of tubing 19 falls within the closed loop support formed by cutter arm 1 and guard arm 9 (fig. 4). The risk of damage caused by collision between the fracture of the free end 191 and the ground due to the fact that the free end 191 of the right-section pipeline 19 which is not gripped by the hand directly falls is avoided, and the pipeline is facilitated to be processed in the next step by a suspended operator.

In summary, the pipe cutting tool in the prior art is improved, the movable protection arm is arranged on the cutter arm, so that the protection arm and the cutter arm are matched to form a closed loop structure, the reduction of the quality of a fracture of a pipe caused by accidental release of the pipe can be effectively prevented, and furthermore, the closed loop structure provides a temporary 360-degree closed loop support for the free end of the disconnected pipe so as to prevent the pipe from being accidentally released, and the continuous operation of a suspended operator is facilitated for the next treatment of the pipe; and meanwhile, the risk of falling objects at high altitude is avoided. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. A pipe cutting tool comprising a cutter arm and a cutter blade;

the cutting knife is characterized in that the cutting knife arm is formed with a bow part for accommodating a pipeline to be cut, two ends of the bow part are respectively provided with a supporting part and an adjusting part, the supporting part is provided with a supporting mechanism, and the adjusting part is provided with an adjusting mechanism;

the cutting blade is arranged on the adjusting mechanism and driven by the adjusting mechanism to approach or depart from the supporting mechanism; the cutting blade is matched with the supporting mechanism to clamp or loosen the pipeline to be cut;

one end of the cutter arm is movably provided with a protection arm, and the protection arm is matched with the cutter arm to form a closed loop structure for supporting the end part of the pipeline to be cut.

2. The pipe cutting tool of claim 1, wherein: one end of the protection arm is hinged with the adjusting part of the cutter arm, and the other end of the protection arm is clamped with the supporting part of the cutter arm through a clamping mechanism.

3. The pipe cutting tool of claim 2, wherein: the clamping mechanism comprises a slot formed in the supporting part, a clamping groove arranged at the free end of the protection arm and a fastener used for locking; the free end of the protection arm is in plug-in fit with the slot of the supporting part, and the fastener is in limit fit with the clamping groove.

4. The pipe cutting tool of claim 1, wherein: the inner sides of the protection arm and the cutter arm are provided with rubber pads for increasing friction force with the pipeline to be cut.

5. The pipe cutting tool of claim 1, wherein: the supporting mechanism comprises two rollers which are rotationally connected with the supporting part, the two rollers are arranged at intervals, and the two rollers are matched to form a limiting groove for supporting the pipeline to be cut.

6. The pipe cutting tool of claim 1, wherein: the cutting blade is a round blade, and is rotatably installed at one end of the screw rod, which is close to the supporting mechanism.