Portable circular cutting tool
By designing a portable circular cutting tool with an adjustable-angle support bar and a ball bearing structure, the instability and non-roundness problems of existing tools during circular cutting are solved, achieving a portable, stable, and low-cost circular cutting effect.
Patent Information
- Application Number
- CN202423170916.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing gas flame cutting guns are prone to deviation when making circular cuts, and existing portable tools are unstable, produce non-circular cuts, are inconvenient to use, and are costly.
A portable circular cutting tool was designed, which adopts an adjustable-angle support bar structure, combined with ball bearings and bearings to provide elastic support, ensuring cutting stability and roundness.
It achieves portable, stable, and low-cost circular cutting, improves cutting efficiency and roundness, reduces friction, and ensures that the tool does not tilt.
Smart Images
Figure CN223603621U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of gas cutting, and specifically to a portable circular cutting tool. BACKGROUND
[0002] The gas flame cutting gun is a cutting tool that generates high-temperature jet flame by mixing oxygen and fuel gas to ignite, melts metal locally, and achieves the effect of cutting and separating metal. However, when cutting in a circular shape, it is easy to deviate when cutting by scribing, and the cost is high when cutting by high-precision size. The existing circular cutting tools are mostly large and inconvenient to carry. When using small cutting tools, the support is unstable, it is difficult to control, and if the tool is inclined at a large angle during cutting, it will result in poor roundness of the cut, and the rotating friction during cutting is also large.
[0003] Therefore, the skilled person in the art provides a portable circular cutting tool to solve the problems raised in the background art. SUMMARY
[0004] The utility model aims at providing a portable circular cutting tool to solve the problems raised in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] The portable circular cutting tool comprises a support bar one and a support bar two. The overlapping part of the end of the support bar one and the support bar two is provided with a fixing screw. The fixing screw is fixedly connected with the support bar one. The fixing screw penetrates through the support bar two and has an active gap between them. A non-slip leather pad is arranged between the support bar one and the support bar two outside the fixing screw. A locking disc is arranged below the support bar two outside the fixing screw. The locking disc and the fixing screw are connected by threads to control the locking and loosening of the support bar one and the support bar two.
[0007] As a further scheme of the utility model, a support groove hole is formed in the bottom of the fixing screw. An active support sliding block is movably arranged in the support groove hole. A spring is clamped and pressed between the upper part of the active support sliding block and the bottom of the support groove hole. A rolling ball is movably arranged below the active support sliding block. A gland is connected to the bottom of the fixing screw outside the rolling ball by a screw.
[0008] As a further scheme of the utility model, the contact part of the active support sliding block, the gland, and the rolling ball is a spherical structure, and the radius of the spherical structure is larger than the radius size of the rolling ball.
[0009] As a further scheme of the utility model: the support strip two is provided with a gas cutting gun fixing hole for installing a gas cutting gun at one end far away from the fixing screw.
[0010] As a further scheme of the utility model: the support strip one is fixedly connected with a mounting column at one end far away from the support strip two, the mounting column is fixedly connected with a limiting support disc at the bottom end, the limiting support disc is fixedly connected with a support rod at the bottom, the support rod is peripherally gap fitted with a bearing, and the bearing is peripherally expanded and tightly provided with an elastic sleeve.
[0011] As a further scheme of the utility model: the bottom surface of the limiting support disc and the bottom of the ball are located on the same horizontal plane.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1、 the utility model discloses through adjusting the angle of the support strip one and the support strip two can adjust the diameter size of gas cutting, when not using, can be received through folding, convenient to carry, can be realized through the rotation locking disc and locked to the support strip one and the support strip two, adjust more convenient, save the trouble of adopting special tool adjustment, improve efficiency;
[0014] 2、 the utility model discloses through setting up the ball, movable support sliding block and spring, can provide elastic supporting force for the ball, realizes rotary cutting through the rolling of the ball on the cutting plate, is more labor-saving;
[0015] 3、 the utility model discloses through the bearing and provide spherical cutting rotation support force, ensure that this cutting tool can stably rotate, and the bottom surface of the limiting support disc and the bottom of the ball are located on the same horizontal plane, can guarantee that the tool does not large angle inclination when cutting, ensure the roundness of cutting. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is the structural schematic diagram of the utility model;
[0017] Fig. 2 It is the sectional view of the utility model after being unfolded to 180 degrees;
[0018] Fig. 3 It is the utility model Fig. 2 It is the partial close-up view of A in the utility model;
[0019] Fig. 4 It is the partial close-up view of B in the utility model. Fig. 2
[0020] In the figure: 1, support bar one; 2, support bar two; 201, gas cutting gun fixing hole; 3, fixing screw; 301, support groove hole; 4, locking disc; 5, mounting column; 6, limiting support disc; 7, support rod; 8, bearing; 9, elastic sleeve; 10, non-slip leather pad; 11, spring; 12, movable support sliding block; 13, rolling ball; 14, gland. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0022] Please refer to Figs. 1-4 In the embodiments of the utility model, the portable circular cutting tool comprises support bar one 1 and support bar two 2, the overlapping parts of the end parts of support bar one 1 and support bar two 2 are provided with fixing screws 3, the fixing screws 3 are fixedly connected with support bar one 1, the fixing screws 3 are arranged through support bar two 2, and the fixing screws 3 and support bar two 2 have a movable gap therebetween, non-slip leather pads 10 are arranged between support bar one 1 and support bar two 2 and located at the periphery of the fixing screws 3, locking discs 4 are arranged below support bar two 2 and located at the periphery of the fixing screws 3, and the locking discs 4 are connected with the fixing screws 3 through threads to realize the control of locking and loosening of support bar one 1 and support bar two 2.
[0023] By adopting the above technical solutions, the diameter size of gas cutting can be adjusted by adjusting the angle of support bar one 1 and support bar two 2, when not in use, the portable circular cutting tool can be conveniently stored by folding, the locking of support bar one 1 and support bar two 2 can be realized by rotating the locking disc 4, the adjustment is more convenient, the trouble of adjusting by using special tools is saved, and the efficiency is improved.
[0024] The bottom of the fixing screw 3 is provided with a support groove hole 301, a movable support sliding block 12 is movably arranged in the support groove hole 301, a spring 11 is clamped and pressed between the movable support sliding block 12 and the hole bottom of the support groove hole 301, a rolling ball 13 is movably arranged below the movable support sliding block 12, and a gland 14 is connected with the bottom of the fixing screw 3 and located at the periphery of the rolling ball 13 through screws.
[0025] The contact parts of the movable support sliding block 12 and the gland 14 with the rolling ball 13 are spherical structures, and the radius of the spherical structures is greater than the radius size of the rolling ball 13.
[0026] By adopting the above technical scheme, the elastic supporting force is provided for the rolling ball 13 through the setting of the rolling ball 13, the movable supporting sliding block 12 and the spring 11, and the rotary cutting is realized through the rolling of the rolling ball on the cutting plate, and more labor is saved.
[0027] The support strip two 2 is provided with a gas cutting gun fixing hole 201 for installing the gas cutting gun at the end away from the fixing screw 3.
[0028] The support strip one 1 is fixedly connected with the mounting column 5 at the end away from the support strip two 2, the mounting column 5 is fixedly connected with the limiting support disc 6 at the bottom, the limiting support disc 6 is fixedly connected with the support rod 7 at the bottom, the bearing 8 is installed in the gap of the outer periphery of the support rod 7, the elastic sleeve 9 is arranged at the outer periphery of the bearing 8, and the bottom surface of the limiting support disc 6 is located on the same horizontal plane as the bottom of the rolling ball 13.
[0029] In the above technical scheme, the bearing 8 is placed in the pre-drilled hole, then the rotating supporting force is provided, the cutting tool can be stably rotated, the bottom surface of the limiting support disc 6 is located on the same horizontal plane as the bottom of the rolling ball 13, the tool cannot be inclined at a large angle during cutting, and the roundness of cutting is ensured.
[0030] The working principle of the utility model is: when in use, the size of the circle to be cut is determined first, then the rotating support strip one 1 and the support strip two 2 are matched with the size of the circle to be cut, the rotating locking disc 4 is used for fixing, the gas cutting gun is installed in the gas cutting gun fixing hole 201, the bearing 8 and the support rod 7 are placed in the pre-drilled hole for installation, then the gas cutting gun is turned on, and the circle is cut by rotating along the support rod 7.
[0031] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all of them should be covered in the protection scope of the utility model.
Claims
1. A portable circular cutting tool comprising a support bar one (1) and a support bar two (2), characterized in that: The overlapping part of the support bar one (1) and the support bar two (2) end is provided with a fixing screw (3), the fixing screw (3) is fixedly connected with the support bar one (1), the fixing screw (3) is arranged through the support bar two (2), and the fixing screw (3) has a movable gap between the support bar two (2), the support bar one (1) and the support bar two (2) are provided with a non-slip leather pad (10) between the fixing screw (3) periphery, the support bar two (2) is provided with a locking disc (4) below the fixing screw (3) periphery, the locking disc (4) and the fixing screw (3) are connected by screw thread to realize the control of the locking and loosening of the support bar one (1) and the support bar two (2).
2. The portable cutting disc tool of claim 1, wherein: The fixing screw (3) is provided with a support slot hole (301) at the bottom, the movable support sliding block (12) is movably arranged in the support slot hole (301), the spring (11) is clamped and pressed between the movable support sliding block (12) and the hole bottom of the support slot hole (301), the movable support sliding block (12) is movably arranged with a rolling ball (13) below, and the bottom of the fixing screw (3) is connected with a gland (14) through a screw around the rolling ball (13).
3. The portable cutting disc tool of claim 2, wherein: The contact part of the movable support sliding block (12) and the gland (14) with the rolling ball (13) is a spherical structure, and the radius of the spherical structure is greater than the radius size of the rolling ball (13).
4. The portable cutting disc tool of claim 1, wherein: The support bar two (2) is provided with a gas cutting gun fixing hole (201) for installing a gas cutting gun at one end away from the fixing screw (3).
5. The portable cutting disc tool of claim 1, wherein: The support bar one (1) is fixedly connected with a mounting column (5) at one end away from the support bar two (2), the bottom end of the mounting column (5) is fixedly connected with a limiting support disc (6), the bottom of the limiting support disc (6) is fixedly connected with a support rod (7), the support rod (7) is installed with a bearing (8) in the peripheral gap, and the bearing (8) is provided with an elastic sleeve (9) by expansion.