CN214643995U - Pipeline cutter - Google Patents

Abstract

The utility model discloses a pipeline cutter, which comprises a cutting bracket, a cutting mechanism and a threaded rod, wherein the cutting bracket comprises a front end bracket body, a middle bracket body with one end part vertically arranged with one end part of the front end bracket body and a tail end bracket body connected with the other end of the middle bracket body and parallel to the front end bracket body, the inner wall of the middle bracket body is provided with a guide slide rail, the inner wall of the tail end bracket body is provided with a mounting groove, runners are symmetrically arranged in the mounting groove, a hidden cavity is arranged between the two runners, the cutting mechanism comprises a movable bracket and a cutting tool bit, one end part of the movable bracket is connected with the guide slide rail and can move relative to the guide slide rail, the other end of the movable bracket is provided with symmetrically arranged clamping plates, the cutting tool bit is arranged between the two clamping plates and can rotate relative to the clamping plates, and the pipeline cutter, can protect the cutting tool bit, avoid taking place to become blunt or produce the damage of breach.

Description

Pipeline cutter

Technical Field

The utility model relates to a pipeline cutting technical field specifically is a pipeline cutterbar.

Background

The pipeline cutter is a device for cutting and cutting plastic pipelines.

Chinese patent application No. CN202021490829.1 discloses a pipeline cutting device for warm-up construction, including cutting knife rest and cutter head, cutting knife rest's left side evenly is connected with antifriction bearing through the pivot, the catch bar has been cup jointed to cutting knife rest's right-hand member, the left end of catch bar is located antifriction bearing's right-hand pivot and is connected with cutter head, the right-hand member of catch bar is located cutting knife rest's right side below thread tightening has the grab handle, cutting knife rest's right side lower extreme middle part is provided with spacing bullet piece, cutting knife rest's the right-hand bolt tightening who is located cutter head has grinding device, grinding device includes fixed orifices, mounting panel, grindstone and inlays the frame, and the middle part of mounting panel is provided with inlays the frame, the middle part of inlaying the frame is inlayed and is had the grindstone, the four corners department of mounting panel runs through the fixed orifices.

However, the pipe cutting apparatus for floor heating construction has some problems, such as: because there are a lot of instrument instruments and this pipeline cutting device to leave together in workman's toolbox, this pipeline cutting device for construction warms up in addition's cutting tool bit exposes outside all the time when not using all the time, because the cutting tool bit is more accurate, when moving with other instrument instruments and accomodating and depositing, to cutting tool bit probably colliding with other instrument instruments, causes cutting tool bit cutting part to become blunt or even produces the breach, causes the damage of cutting tool bit.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above and/or other problems with existing pipe cutters.

Therefore, the utility model aims at providing a pipeline cutterbar can protect the cutter head, avoids taking place the damage of blunting or producing the breach.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a pipe cutter, comprising:

the cutting support comprises a front end support body, a middle support body and a tail end support body, wherein one end part of the middle support body is perpendicular to one end part of the front end support body, the tail end support body is connected with the other end of the middle support body and is parallel to the front end support body, a guide slide rail is arranged on the inner wall of the middle support body, an installation groove is formed in the inner wall of the tail end support body, rotating wheels are symmetrically arranged in the installation groove, and a hidden cavity is formed between the two rotating wheels;

the cutting mechanism comprises a movable support and a cutting tool bit, one end of the movable support is connected with the guide slide rail and can move relative to the guide slide rail, the other end of the movable support is provided with symmetrically arranged clamping plates, and the cutting tool bit is arranged between the two clamping plates and can rotate relative to the clamping plates;

the threaded rod penetrates from one side edge of the front end frame body to the other side edge of the front end frame body and can rotate relative to the front end frame body knob to push the movable support to move along the guide sliding rail;

the cutting tool bit reaches splint with hide the cavity and align, work as the threaded rod promotes the tip of movable support move to with when the tail end support body contacts, the movable support will hide the cavity and seal, just the cutting tool bit reaches splint are located hide in the cavity.

As a preferred scheme of a pipeline cutterbar, wherein, the movable support with a tip that the direction slide linkage seted up with the spout of direction slide looks adaptation.

As a preferred embodiment of the pipe cutter of the present invention, wherein the guide rail and the chute have a cross-sectional shape.

As a preferred aspect of the pipe cutter of the present invention, wherein the threaded rod is away from an end of the cutting mechanism has a knob.

As a preferred embodiment of the pipeline cutter of the present invention, the cutting head includes a shaft, blades surrounding the shaft, a shaft rod symmetrically inserted into the shaft and capable of sliding axially relative to the inner wall of the shaft, and springs located in the shaft and having one-to-one end portions connected to the shaft rod;

wherein the shaft cylinder is in contact with an inner wall of the splint, and the shaft rod is inserted into a shaft hole of the splint.

Compared with the prior art, the beneficial effects of the utility model are that: the mounting groove is formed in the inner wall of the tail end frame body, the rotating wheels are symmetrically arranged in the mounting groove, the hidden cavity is formed between the two rotating wheels, the cutting tool bit and the clamping plate are aligned with the hidden cavity, the end portion of the movable support is pushed by the threaded rod to move to be in contact with the tail end frame body, the cutting tool bit and the clamping plate are located in the hidden cavity, the movable support is sealed by the hidden cavity, the cutting tool bit can be effectively protected, and the damage of a blunt or notch is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a schematic view of a pipeline cutter according to the present invention;

FIG. 2 is a schematic view of the storage state of the pipeline cutter of the present invention;

fig. 3 is a schematic view of the cutting bracket of fig. 1 of the pipeline cutting device according to the present invention;

FIG. 4 is an exploded view of the cutting mechanism of FIG. 1 of a pipeline cutter according to the present invention;

figure 5 is a cross-sectional view of the cutting head of figure 4 of a pipe cutter of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a pipeline cutter can protect the cutter head, avoids taking place the damage of blunting or producing the breach.

Fig. 1 to 5 are schematic structural views illustrating an embodiment of a pipe cutter according to the present invention, and referring to fig. 1 to 5, a main body of the pipe cutter according to the present embodiment includes a cutting bracket 100, a cutting mechanism 200, and a threaded rod 300.

The cutting support 100 includes a front end support body 110, a middle support body 120 with one end portion perpendicular to the one end portion of the front end support body 110 and a tail end support body 130 connected with the other end of the middle support body 120 and parallel to the front end support body 110, an inner wall of the middle support body 120 is provided with a guide slide rail 120a, a guide support platform is provided for the movable support 210 of the cutting mechanism 200, an installation groove 130a is formed in the inner wall of the tail end support body 130, rotating wheels 130b are symmetrically arranged in the installation groove 130a, a hidden chamber H is formed between the two rotating wheels 130b, and the hidden chamber H is used for hiding and accommodating a cutting head 220.

The cutting mechanism 200 is used for cutting a pipe, and specifically, the cutting mechanism 200 includes a movable bracket 210 and a cutting head 220, one end of the movable bracket 210 is connected to the guide rail 120a and can move relative to the guide rail 120a, the other end of the movable bracket 210 has symmetrically arranged clamping plates 210b, the cutting head 220 is mounted between the two clamping plates 210b and can rotate relative to the clamping plates 210b, and the cutting head 220 and the clamping plates 210b are aligned with the hidden chamber H. Preferably, in the present embodiment, a sliding groove 210a adapted to the guide rail 120a is formed at one end of the movable bracket 210 connected to the guide rail 120 a. And the sectional shapes of the guide rail 120a and the slide groove 210a are T-shaped.

The threaded rod 300 penetrates from one side of the front frame 110 to the other side, and can be rotated by a knob relative to the front frame 110 to push the moving frame 210 to move along the guide rail 120 a. When the threaded rod 300 pushes the end of the moving bracket 210 to move into contact with the tail end frame 130, the moving bracket 210 closes the hidden chamber H, and the cutting head 220 and the clamping plate 210b are located in the hidden chamber H. Preferably, in this embodiment, the end of the threaded rod 300 remote from the cutting mechanism 200 has a knob 310 to facilitate knob rotation of the threaded rod 300.

With reference to fig. 1 to 4, the pipeline cutter of the present embodiment is specifically used as follows: when in use, the pipeline cutter is in a state shown in fig. 1, a part of the outer wall of the pipeline is attached to the outer walls of the two rotating wheels 130b, then the threaded rod 300 is turned by turning the threaded rod 300 relative to the front frame 110, the movable bracket 210 is pushed to move along the guide slide rail 120a until the cutting head 220 is closely attached to the outer wall of the pipeline, then the pipeline cutter is rotated for one circle along the radial direction of the pipeline, when the pipeline cutter is stored, the end of the movable bracket 210 is pushed by the threaded rod 300 to move to be in contact with the tail frame 130, the cutting head 220 and the clamping plate 210b are positioned in the hidden chamber H, and the hidden chamber H is closed by the movable bracket 210.

Further, in order to facilitate the detachment and installation of the cutting head 220 and the movable bracket 210, please refer to fig. 5, in this embodiment, the cutting head 220 includes a shaft 220a, a blade 220b surrounding the shaft 220a, a shaft 220c symmetrically inserted into the shaft 220a and capable of sliding axially relative to the inner wall of the shaft 220a, and a spring 220d located in the shaft 220a and having one-to-one end connected to the shaft 220c, wherein the shaft 220a contacts with the inner wall of the clamp 210b, and the shaft 220c is inserted into the shaft hole of the clamp 210b, when the cutting head 220 needs to be detached or replaced from the movable bracket 210, the shaft 220c is pressed in the shaft hole of the clamp 210b, so that the shaft 220c slides axially along the inner wall of the shaft 220a until the shaft 220c comes out of the shaft hole of the clamp 210b, and the cutting head 220 can be detached from the movable bracket 210.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (5)

1. A pipe cutter, comprising:

the cutting support (100) comprises a front end support body (110), a middle support body (120) and a tail end support body (130), wherein one end part of the middle support body (120) is perpendicular to one end part of the front end support body (110), the tail end support body (130) is connected with the other end of the middle support body (120) and parallel to the front end support body (110), a guide sliding rail (120 a) is arranged on the inner wall of the middle support body (120), an installation groove (130 a) is formed in the inner wall of the tail end support body (130), rotating wheels (130 b) are symmetrically arranged in the installation groove (130 a), and a hidden cavity (H) is formed between the two rotating wheels (130 b);

the cutting mechanism (200) comprises a movable bracket (210) and a cutting head (220), one end part of the movable bracket (210) is connected with the guide slide rail (120 a) and can move relative to the guide slide rail (120 a), the other end of the movable bracket (210) is provided with symmetrically arranged clamping plates (210 b), and the cutting head (220) is installed between the two clamping plates (210 b) and can rotate relative to the clamping plates (210 b);

the threaded rod (300) penetrates from one side edge to the other side edge of the front end frame body (110) and can rotate relative to the front end frame body (110) through a knob so as to push the movable support (210) to move along the guide sliding rail (120 a);

wherein the cutting head (220) and the clamping plate (210 b) are aligned with the hidden chamber (H), when the threaded rod (300) pushes the end of the movable bracket (210) to move into contact with the tail end frame body (130), the movable bracket (210) closes the hidden chamber (H), and the cutting head (220) and the clamping plate (210 b) are located in the hidden chamber (H).

2. The pipeline cutter according to claim 1, wherein a sliding groove (210 a) matched with the guide sliding rail (120 a) is formed at one end part of the movable bracket (210) connected with the guide sliding rail (120 a).

3. The pipe cutter according to claim 2, wherein the cross-sectional shapes of the guide rail (120 a) and the chute (210 a) are T-shaped.

4. The pipe cutter of claim 1, wherein an end of the threaded rod (300) distal from the cutting mechanism (200) has a knob (310).

5. The pipeline cutter of claim 1, wherein the cutter head (220) comprises a shaft barrel (220 a), blades (220 b) surrounding the shaft barrel (220 a), a shaft rod (220 c) symmetrically inserted into the shaft barrel (220 a) and capable of sliding axially relative to the inner wall of the shaft barrel (220 a), and springs (220 d) located in the shaft barrel (220 a) and connected with the shaft rod (220 c) in a one-to-one end correspondence;

wherein the shaft cylinder (220 a) is in contact with an inner wall of the chucking plate (210 b), and the shaft (220 c) is inserted into a shaft hole of the chucking plate (210 b).

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