A circular cutting knife

Abstract

The utility model relates to the technical field of cutting knives, and discloses an annular cutting knife, including a knife head and a handle, wherein the knife head includes an upper cover, a lower cover and an annular cutter, wherein the upper cover and the lower cover form a cavity, wherein the annular cutter is located between the upper cover and the lower cover, wherein a gear ring is arranged outside the annular cutter, wherein the upper cover and the lower cover are matched and connected, wherein a connecting component is arranged on the upper cover, wherein a slot is arranged on the connecting component, wherein the slot corresponds to the position of the gear ring; wherein the handle includes a grip, a power component and a connecting member, wherein the connecting member is connected to the connecting member, wherein the power component includes a motor and a transmission tooth, wherein the motor drives the transmission tooth, wherein the transmission tooth is meshed with the gear ring; wherein a battery is arranged inside the grip, wherein the battery is electrically connected to the motor. The utility model has the advantages of convenient operation and smooth incision.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting knives, in particular to an annular cutting knife. Background Art

[0002] At present, when cutting pipes, operators need to hold the cutting machine and move it along the side of the pipe to cut it. This cutting method requires high operator proficiency and cannot ensure the flatness of the cut surface. Utility Model Content

[0003] 1. Technical Problems Solved

[0004] The technical problem to be solved by the utility model is that currently when cutting pipes, the number of operators is required to be relatively high.

[0005] 2. Technical Solution

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: an annular cutting knife, comprising a knife head and a handle,

[0007] The cutter head comprises an upper cover, a lower cover and an annular cutter, wherein the upper cover and the lower cover form a cavity, the annular cutter is located between the upper cover and the lower cover, a gear ring is provided on the outer side of the annular cutter, the upper cover and the lower cover are connected in cooperation, a connecting component is provided on the upper cover, a slot is provided on the connecting component, and the slot corresponds to the position of the gear ring;

[0008] The handle comprises a grip rod, a power component and a connecting member, wherein the connecting member is connected to the connecting member, the power component comprises a motor and a transmission tooth, the motor drives the transmission tooth, and the transmission tooth meshes with the gear ring;

[0009] A battery is arranged in the handle, and the battery is electrically connected to the motor.

[0010] Furthermore, the connecting component comprises a connecting block and a connecting angle plate, the lower end of the connecting block is connected to the upper end surface of the upper cover, the connecting angle plates are symmetrically arranged on the side of the connecting block, the connecting angle plates are connected to the connecting member, and a groove is arranged at the connection between the connecting block and the upper cover.

[0011] Furthermore, the connecting angle plate is welded to the connecting block.

[0012] Furthermore, the connecting angle plate is connected to the connecting piece by bolts and nuts.

[0013] Furthermore, a connecting ring 1 is evenly provided on the side surface of the upper cover, and a connecting ring 2 is evenly provided on the side surface of the lower cover, and the connecting ring 2 is connected to the connecting ring 1 by bolts and nuts.

[0014] Furthermore, a groove is provided at the connection between the gear ring and the annular cutter, balls are evenly connected in the groove for rolling, and lubricating strips are provided between the balls.

[0015] 3. Beneficial Effects

[0016] The advantages of the utility model compared with the prior art are:

[0017] 1. When in use, the pipe passes through the upper cover, the lower cover and the annular cutter, the motor rotates, and the annular cutter is driven to rotate through the meshing of the transmission teeth and the gear ring, thereby cutting the pipe quickly and smoothly;

[0018] 2. The cutter head and the handle can be flexibly disassembled and assembled, and the various parts of the cutter head can be flexibly disassembled and assembled, which is convenient for maintenance and replacement of parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 An exploded view of the cutter head of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the annular cutter of the utility model;

[0022] Figure numerals: 1. upper cover, 2. lower cover, 3. annular cutter, 4. gear ring, 5. slot, 6. grip rod, 7. connecting piece, 8. transmission tooth, 9. connecting block, 10. connecting angle plate, 11. connecting ring one, 12. connecting ring two, 13. ball bearing, 14. lubricating strip. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present utility model are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present utility model.

[0024] It should be noted that all directional indications such as up, down, left, right, front, back... in the embodiments of the utility model are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0025] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] The utility model will now be further described in conjunction with the accompanying drawings.

[0028] Embodiment 1

[0029] Combined with Figure 1-3 The cutter head includes an upper cover 1, a lower cover 2 and an annular cutter 3, the upper cover 1 and the lower cover 2 form a cavity, the annular cutter 3 is located between the upper cover 1 and the lower cover 2, a gear ring 4 is provided on the outer side of the annular cutter 3, the upper cover 1 and the lower cover 2 are matched and connected, a slot 5 is provided on the connecting component, and the slot 5 corresponds to the position of the gear ring 4; the handle includes a grip rod 6, a power component and a connecting member 7, the connecting member 7 is connected to the connecting component, the power component includes a motor and a transmission tooth 8, the motor drives the transmission tooth 8, and the transmission tooth 8 is meshed with the gear ring 4; a battery is provided in the grip rod 6, and the battery is electrically connected to the motor.

[0030] When in use, the user holds the handle 6, and the pipe to be cut passes through the upper cover 1, the lower cover 2 and the annular cutter 3. The battery in the handle 6 supplies power to the motor, and the motor drives the annular cutter 3 to rotate through the meshing of the transmission gear 8 and the gear ring 4, and the annular cutter 3 cuts the pipe quickly and smoothly.

[0031] Combined with Figure 3 A groove is provided at the connection between the gear ring 4 and the annular cutter 3 , and balls 13 are evenly rolled and connected in the groove, and lubricating strips 14 are provided between the balls 13 .

[0032] When the annular cutter 3 rotates, the balls 13 and the lubricating strips 14 ensure the stability and smoothness of the rotation of the annular cutter 3 .

[0033] Embodiment 2

[0034] Combined with Figure 1-2The connecting parts include a connecting block 9 and a connecting angle plate 10. The lower end of the connecting block 9 is connected to the upper end surface of the upper cover 1. The connecting block 9 is symmetrically provided with connecting angle plates 10 on the side. The connecting angle plates 10 are connected to the connecting piece 7. A slot 5 is provided at the connection between the connecting block 9 and the upper cover 1. The connecting angle plate 10 is connected to the connecting piece 7 by bolts and nuts. The upper cover 1 is evenly provided with connecting rings 11, and the lower cover 2 is evenly provided with connecting rings 2. The connecting rings 2 12 and the connecting rings 1 11 are connected by bolts and nuts.

[0035] On the basis of the first embodiment, the upper cover 1 and the lower cover 2 are connected by a connecting ring 11, a connecting ring 2, bolts and nuts, so as to facilitate the disassembly and assembly of the cutter head part.

[0036] The connecting angle plate 10 is connected to the connecting member 7 by bolts and nuts, so as to facilitate the disassembly and assembly between the blade head and the handle.

[0037] The utility model and its implementation methods are described, and such description is not restrictive. The drawings are only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and implementation method similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims

1. A circular cutting knife, comprising a knife head and a handle, characterized in that: The cutter head comprises an upper cover (1), a lower cover (2) and an annular cutter (3); the upper cover (1) and the lower cover (2) form a cavity; the annular cutter (3) is located between the upper cover (1) and the lower cover (2); a gear ring (4) is provided on the outer side of the annular cutter (3); the upper cover (1) and the lower cover (2) are connected in a cooperative manner; a connecting component is provided on the upper cover (1); a slot (5) is provided on the connecting component; and the slot (5) corresponds to the position of the gear ring (4); The handle comprises a grip rod (6), a power component and a connecting member (7), wherein the connecting member (7) is connected to the connecting member, and the power component comprises a motor and a transmission tooth (8), wherein the motor drives the transmission tooth (8), and the transmission tooth (8) meshes with the gear ring (4); A battery is arranged inside the handle (6), and the battery is electrically connected to the motor.

2. The annular cutting knife according to claim 1, characterized in that: The connecting component comprises a connecting block (9) and a connecting angle plate (10); the lower end of the connecting block (9) is connected to the upper end surface of the upper cover (1); the connecting angle plate (10) is symmetrically arranged on the side of the connecting block (9); the connecting angle plate (10) is connected to the connecting member (7); and a groove (5) is arranged at the connection between the connecting block (9) and the upper cover (1).

3. The annular cutting knife according to claim 2, characterized in that: The connecting angle plate (10) is welded to the connecting block (9).

4. The annular cutting knife according to claim 2, characterized in that: The connecting angle plate (10) is connected to the connecting member (7) via bolts and nuts.

5. The annular cutting knife according to claim 1, characterized in that: The upper cover (1) is evenly provided with a connecting ring 1 (11) on the side surface, and the lower cover (2) is evenly provided with a connecting ring 2 (12) on the side surface. The connecting ring 2 (12) and the connecting ring 1 (11) are connected by bolts and nuts.

6. The annular cutting knife according to claim 1, characterized in that: A groove is provided at the connection between the gear ring (4) and the annular cutter (3), balls (13) are evenly rolled and connected in the groove, and lubricating strips (14) are provided between the balls (13).

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