Pipe clamping mechanism and cutting device

Abstract

The utility model relates to the technical field of pipe cutting, in particular to a pipe clamping mechanism and cutting device.The pipe clamping mechanism comprises a clamping unit and a cutting unit, the clamping unit comprises a first clamping jaw and a second clamping jaw, the first clamping jaw is hinged to the second clamping jaw, the first clamping jaw and the second clamping jaw are closed to form a circular cavity, and the cutting unit comprises a cutting knife and a pull ring. The cutter comprises a main cavity, a sliding hole and an extension plate, the sliding hole is formed in the main cavity, the extension plate is arranged on the side edge of the main cavity, and the pull ring is arranged on the other side of the main cavity. The pipe cutting device has the advantages that the pipe can be clamped more conveniently and rapidly, one-hand operation can be achieved, and meanwhile the cutting face can be smoother in a ring cutting mode.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe clamping and cutting, in particular to a pipe clamping mechanism and a cutting device. Background Art

[0002] Most existing pipes are made of PE (modified polyethylene) for hot-dip molding or epoxy resin for internal and external coating, and have excellent corrosion resistance. At the same time, the coating itself has good electrical insulation and will not cause electrical corrosion. It has low water absorption, high mechanical strength, and a low friction coefficient, which can achieve the purpose of long-term use. It can also effectively prevent damage to plant roots and soil environmental stress. Current pipes need to be cut into appropriate lengths for use. If the operator does not operate properly, it is easy to cut people's hands. Therefore, it is urgent to develop a mechanism that can clamp the column pipe and cut the pipe to solve the problem of easy cuts when cutting the pipe in the existing technology. Utility Model Content

[0003] The utility model aims to provide a pipe clamping mechanism, which aims to solve the problems of cumbersome clamping and inconvenient operation of the clamping device in the prior art.

[0004] To solve the above technical problems, the present invention provides the following technical solutions: a pipe clamping mechanism, which includes a clamping unit, wherein the clamping unit includes a clamping jaw 1 and a clamping jaw 2, wherein the clamping jaw 1 is hingedly connected to the clamping jaw 2, and the clamping jaw 1 and the clamping jaw 2 are closed to form a circular cavity.

[0005] As a preferred solution of the pipe clamping mechanism of the present invention, the clamping jaw 1 includes a power-assisting arm 1, a matching hole, a hinge hole and a sliding channel, the power-assisting arm 1 is arranged on one side of the clamping jaw, the matching hole is arranged on one side of the power-assisting arm, the hinge hole is arranged at one end of the clamping jaw, and the sliding channel is arranged in the middle of the clamping jaw.

[0006] As a preferred solution of the pipe clamping mechanism of the present invention, the clamping space at one end of the clamping claw is a semi-arc structure, the hinge hole is arranged at the end of the semi-arc structure, and the hinge hole and the assist arm are respectively arranged on both sides of the semi-arc structure.

[0007] As a preferred solution of the pipe clamping mechanism of the present invention, the matching hole includes a protrusion and an engaging rod, the engaging rod is arranged in the middle of the protrusion, and the protrusion is hingedly connected to the matching hole.

[0008] As a preferred solution of the pipe clamping mechanism of the present invention, the sliding path includes a cutting slot, and the cutting slot is arranged in the middle of the semi-arc structure.

[0009] As a preferred solution of the pipe clamping mechanism of the present invention, the second clamping jaw includes a second power-assisting arm, an extrusion rod, a matching rod and an arc-shaped slide. The second power-assisting arm is arranged on the side of the second clamping jaw, the matching rod is arranged at the second end of the power-assisting arm, the extrusion rod is arranged on the side of the matching rod, and the arc-shaped slide is arranged in the middle of the second clamping jaw.

[0010] As a preferred solution of the pipe clamping mechanism of the present invention, the clamping space at the two ends of the clamping jaws is a semi-arc structure, which forms a complete circular cavity in combination with the clamping jaws. The arc slide is arranged on the inner side of the semi-arc structure, and the arc slide has the same curvature as the cutting slide groove.

[0011] As a preferred solution of the pipe clamping mechanism of the present invention, the arc-shaped slide includes a hinge rod and an extrusion head arranged at the end, the protrusion of the extrusion head is arranged centripetally, and the hinge rod is hingedly connected to the hinge hole at one end of the clamping claw.

[0012] As a preferred solution of the pipe clamping mechanism of the present invention, the hinge rod is hingedly connected to the hinge hole at one end of the clamping jaw.

[0013] The beneficial effects of the tube clamping mechanism of the present invention are as follows: the clamping mechanism is a structure in which two semi-arc-shaped clamping claws are combined to form a circular clamping cavity, which is convenient for clamping the tube, and the overall structure is similar to "scissors" and can be operated with one hand, and the locking structure can reduce the operator's effort to a certain extent.

[0014] Another object of the present invention is to provide a cutting device, which aims to solve the problem of uneven cutting during current pipe cutting.

[0015] In order to solve the above technical problems, the utility model also provides the following technical solutions: a cutting device, which includes a tube clamping mechanism; and a cutting unit, which slides with the arc-shaped slide, and the cutting unit includes a cutting knife and a pull ring, and the cutting knife includes a main body cavity, a sliding hole and an extension plate, the sliding hole is arranged inside the main body cavity, the extension plate is arranged on the side of the main body cavity, and the pull ring is arranged on the other side of the main body cavity.

[0016] The beneficial effects of the cutting device of the utility model are as follows: when the cutting unit is used for cutting, the cutting knife cuts along an arc-shaped path, which can ensure the consistency of the cutting, ensure the smoothness of the incision, and avoid burrs at the incision position from scratching workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Among them:

[0018] Figure 1 It is the overall structure diagram of the utility model.

[0019] Figure 2 The clamping structure in the utility model is split Figure 1 .

[0020] Figure 3 The clamping structure in the utility model is split Figure 2 .

[0021] Figure 4 This is a structural diagram of the cutting unit in the present utility model.

[0022] Figure 5 The clamping structure in the utility model is split Figure 1 Another perspective of the picture.

[0023] Figure 6 This is the structural diagram of location A in this utility model.

[0024] Figure 7 This is a structural diagram of the bump in the present utility model. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it designate a separate or selective embodiment that is mutually exclusive with other embodiments.

[0028] Example 1

[0029] Reference Figures 1 to 6, which is the first embodiment of the utility model, provides a pipe clamping mechanism, including a clamping unit 100, the clamping unit 100 includes a clamping jaw 101 and a clamping jaw 2 102, the clamping jaw 101 and the clamping jaw 2 102 are hingedly connected, and the clamping jaw 101 and the clamping jaw 2 102 are closed to form a circular cavity.

[0030] Specifically, jaw 101 and jaw 2 102 form a clamping unit 100, and the two jaws form a circular cavity, and the tube is placed inside the circular cavity. The cutting unit 200 slides and cuts along the circular cavity formed by jaw 101 and jaw 2 102, so the cutting surface is relatively flat during cutting. After jaw 1 101 and jaw 2 102 are clamped, they can be operated with one hand, and the other hand is placed on the pull ring 202 to pull the cutting unit 200, which can make the cutting operation easier and faster.

[0031] Example 2

[0032] Reference Figures 2 to 7 , which is the second embodiment of the present utility model. Different from the previous embodiment, it also includes a clamping jaw 101 including a power-assisting arm 101a, a matching hole 101b, a hinge hole 101c and a sliding channel 101d. The power-assisting arm 101a is arranged on the side of the clamping jaw 101, the matching hole 101b is arranged on the side of the power-assisting arm 101a, the hinge hole 101c is arranged at the end of the clamping jaw 101, and the sliding channel 101d is arranged in the middle of the clamping jaw 101. The clamping space at the end of the clamping jaw 101 is a semi-arc structure, the hinge hole 101c is arranged at the end of the semi-arc structure, and the hinge hole 101c and the power-assisting arm 101a are respectively arranged on both sides of the semi-arc structure.

[0033] Specifically, the matching hole 101b includes a protrusion 101b-1 and an engaging rod 101b-2. The engaging rod 101b-2 is arranged in the middle of the protrusion 101b-1. The protrusion 101b-1 is hingedly connected to the matching hole 101b.

[0034] Preferably, the sliding channel 101d includes a cutting groove 101d-1, which is arranged in the middle of the semi-arc structure, and the clamping jaw 102 includes a power-assisting arm 102a, an extrusion rod 102b, a matching rod 102c and an arc-shaped slide 102d. The power-assisting arm 102a is arranged on the side of the clamping jaw 102, the matching rod 102c is arranged at the end of the power-assisting arm 102a, the extrusion rod 102b is arranged on the side of the matching rod 102c, and the arc-shaped slide 102d is arranged in the middle of the clamping jaw 102.

[0035] Furthermore, the clamping space at the end of the second clamping jaw 102 is a semi-arc structure, which is combined with the first clamping jaw 101 to form a complete circular cavity. The arc slide 102d is arranged on the inner side of the semi-arc structure. The arc slide 102d has the same curvature as the cutting slide 101d-1. The arc slide 102d includes a hinged rod 102d-1 and an extrusion head 102d-2 arranged at the end. The protrusion of the extrusion head 102d-2 is arranged centripetally, and the hinged rod 102d-1 is hingedly connected to the hinge hole 101c at the end of the first clamping jaw 101.

[0036] When in use, first put the tube into the semi-arc cavity of jaw 2 102, hold jaw 101 and jaw 2 102 with your hands to complete the closure, and the squeezing rod 102b on the side of jaw 2 102 squeezes the protrusion 101b-1 to make the protrusion 101b-1 complete the swing, and the engaging rod 101b-2 rotates on the protrusion 101b-1 to buckle the matching rod 102c, so that the clamping mechanism completes the self-locking effect. At this time, you can loosen your hands that have been holding tightly, and the squeezing head 102d-2 squeezes the tube into the circular cavity, reducing the movement of the tube in the circular cavity and making the clamping more stable.

[0037] Example 3

[0038] Reference Figures 1 to 7 , which is the third embodiment of the present utility model, this embodiment further provides a cutting device, including a cutting unit 200, the cutting unit 200 slidingly cooperates with the arc-shaped slide 102d, the cutting unit 200 includes a cutting knife 201 and a pull ring 202, the cutting knife 201 includes a main body cavity 201a, a sliding hole 201b and an extension plate 201c, the sliding hole 201b is provided inside the main body cavity 201a, the extension plate 201c is provided on the side of the main body cavity 201a, and the pull ring 202 is provided on the other side of the main body cavity 201a.

[0039] Combined with the previous two embodiments, the cutting unit 200 is located on the arc slide 102d, the cutting unit 200 is an arc structure, the cutting knife 201 is an arc structure, the cutting unit 200 slides from the arc slide 102d into the cutting slide 101d-1 of the clamp 1 101, and the cutting slide 101d-1 and the arc slide 102d are located on the same circular track, so the cutting unit 200 can slide back and forth in the circular strong of the clamp 1 101 and the clamp 2 102, making the cutting more thorough.

[0040] Furthermore, both ends of the cutting knife 201 are chamfered to reduce cutting resistance, the sliding hole 201b slides in conjunction with the arc-shaped slide 102d, and the extension plate 201c enables the cutting knife 201 to maintain a more accurate cutting path, making the cross-section of the pipe smoother after cutting. The pull ring 202 is pulled by hand to move along the circular cavity, and the reciprocating pulling improves the cutting efficiency.

[0041] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application. For example, an element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete elements can be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "means plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0042] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0043] It will be appreciated that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will, for those of ordinary skill having the benefit of this disclosure, be a routine undertaking of design, fabrication, and production without undue experimentation.

[0044] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A pipe clamping mechanism, characterized in that: include, A clamping unit (100), the clamping unit (100) comprising a first clamping jaw (101) and a second clamping jaw (102), the first clamping jaw (101) and the second clamping jaw (102) being hingedly connected, the first clamping jaw (101) and the second clamping jaw (102) being closed to form a circular cavity; The clamping jaw 1 (101) comprises a power-assisting arm 1 (101a), a matching hole (101b), a hinge hole (101c) and a sliding path (101d), wherein the power-assisting arm 1 (101a) is arranged on the side of the clamping jaw 1 (101), the matching hole (101b) is arranged on the side of the power-assisting arm 1 (101a), the hinge hole (101c) is arranged at the end of the clamping jaw 1 (101), and the sliding path (101d) is arranged in the middle of the clamping jaw 1 (101); The second clamping jaw (102) includes a second power-assisting arm (102a), an extrusion rod (102b), a matching rod (102c) and an arc-shaped slide (102d), wherein the second power-assisting arm (102a) is arranged on the side of the second clamping jaw (102), the matching rod (102c) is arranged at the end of the second power-assisting arm (102a), the extrusion rod (102b) is arranged on the side of the matching rod (102c), and the arc-shaped slide (102d) is arranged in the middle of the second clamping jaw (102).

2. The pipe clamping mechanism according to claim 1, wherein: The clamping space at the end of the clamping claw 1 (101) is a semi-arc structure, the hinge hole (101c) is arranged at the end of the semi-arc structure, and the hinge hole (101c) and the assisting arm 1 (101a) are respectively arranged on both sides of the semi-arc structure.

3. The pipe clamping mechanism according to claim 2, wherein: The matching hole (101b) comprises a convex block (101b-1) and an engaging rod (101b-2); the engaging rod (101b-2) is arranged in the middle of the convex block (101b-1); and the convex block (101b-1) is hingedly connected to the matching hole (101b).

4. The pipe clamping mechanism according to claim 3, wherein: The sliding path (101d) comprises a cutting slide groove (101d-1), and the cutting slide groove (101d-1) is arranged in the middle of the semi-arc structure.

5. The pipe clamping mechanism according to claim 4, wherein: The clamping space at the end of the second clamping jaw (102) is a semi-arc structure, which is combined with the first clamping jaw (101) to form a complete circular cavity. The arc-shaped slide (102d) is arranged inside the semi-arc structure, and the arc-shaped slide (102d) has the same curvature as the cutting slide groove (101d-1).

6. The pipe clamping mechanism according to claim 5, wherein: The arc-shaped slideway (102d) comprises a hinged rod (102d-1) and an extrusion head (102d-2) arranged at an end portion, and the protrusion of the extrusion head (102d-2) is arranged centripetally.

7. The pipe clamping mechanism according to claim 6, wherein: The hinge rod (102d-1) is hingedly connected to the hinge hole (101c) at the end of the clamping jaw (101).

8. A cutting device, characterized in that: comprising the pipe clamping mechanism according to any one of claims 1 to 7; and A cutting unit (200) is provided, wherein the cutting unit (200) is slidably engaged with the arc-shaped slideway (102d), the cutting unit (200) comprises a cutting knife (201) and a pull ring (202), the cutting knife (201) comprises a main body cavity (201a), a sliding hole (201b) and an extension plate (201c), the sliding hole (201b) is provided inside the main body cavity (201a), the extension plate (201c) is provided on the side of the main body cavity (201a), and the pull ring (202) is provided on the other side of the main body cavity (201a).

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