A portable concrete cutter

CN224702286UActive Publication Date: 2026-09-01BEIKAN (DALIAN) ENG CO LTD
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Patent Information

Application Number
CN202521928589.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-09
Publication Date
2026-09-01
Estimated Expiration
2035-09-09

AI Technical Summary

Technical Problem

[0003]首先,传统的手持切割机在使用的时候,如果没有导轨支持,切割可能会出现偏差,导致切割不直,需要额外的时间和材料来修正,影响施工质量和效率

Benefits of technology

本实用新型中通过设置滑动机构,在滑轨和滑动架等构件的相互配合作用下,本装置通过安装到导轨上,便携式混凝土切割机可以实现精确的直线切割,这对于需要高精度切割的工作非常重要,如建筑中的门洞、窗洞等。

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Abstract

This utility model discloses a portable concrete cutter, including a sliding mechanism, a connecting mechanism, and a running mechanism. The sliding mechanism includes a slide rail and a sliding frame, the connecting mechanism includes a connector and an extension plate, and the running mechanism includes a main body and an mounting component. With the cooperation of the above mechanisms, this device, when installed on the guide rail, can achieve precise straight-line cutting, which is very important for work requiring high-precision cutting, such as door openings and window openings in construction. In addition, the simple design of this device means that the installation and adjustment process is more convenient, it is also easy to carry, and it can save time and labor costs, thereby improving work efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of cutting machine technology, specifically a portable concrete cutting machine. Background Technology

[0002] A portable concrete cutter is a mobile mechanical tool designed for cutting concrete, suitable for use in a variety of different workplaces, especially those requiring mobile operations, such as construction sites, road construction sites, and interior decoration.

[0003] Firstly, when using a traditional handheld cutting machine, if there is no guide rail support, the cutting may be deviated, resulting in an uneven cut. This requires additional time and materials to correct, affecting the construction quality and efficiency.

[0004] Secondly, the complex structure may require more time for installation and calibration, leading to reduced work efficiency and the inability to be quickly put into use in emergency situations.

[0005] Finally, if the machine is difficult to operate, operators may need to spend more effort to control it, increasing the difficulty and fatigue of the work, and may also increase operational risks. Utility Model Content

[0006] (a) Technical problems to be solved In view of the shortcomings of the prior art, this utility model provides a portable concrete cutter to solve the technical problems mentioned in the background art.

[0007] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a portable concrete cutter, comprising a sliding mechanism, a connecting mechanism, and a running mechanism. The sliding mechanism includes a slide rail and a sliding frame. The sliding frame is installed inside the slide rail and slidably connected to the slide rail. A first roller is installed on the sliding frame. The first roller is rotatably connected to the sliding frame and slidably connected to the slide rail. The connecting mechanism includes a connector and an extension plate. The extension plate is installed on the sliding frame and is connected to the sliding frame. The connector is installed on the extension plate and is connected to both the extension plate and the sliding frame. A fixing frame and a first spring are installed on the connector. The fixing frame is installed on the connector and is slidably connected to both the connector and the sliding frame. The first spring is fixedly installed in the connector, with one end fixedly connected to the fixing frame. Preferably, the operating mechanism includes a main body and a mounting component. The mounting component is mounted on the extension plate and is connected to the extension plate. The mounting component is slidably connected to the main body. A second spring is mounted on the mounting component. One end of the second spring is fixedly connected to the main body. A positioning frame and a third spring are mounted on the extension plate. The positioning frame is slidably connected to the extension plate. The other end of the third spring is fixedly connected to the positioning frame.

[0008] In a further preferred embodiment, the slide rail is provided with a first fixing hole and a sliding groove. The first fixing hole is located at both ends of the slide rail, and the sliding groove is slidably connected to the first roller, which facilitates the stable sliding of the sliding frame inside the slide rail.

[0009] In a further preferred embodiment, the sliding frame is provided with a protective plate, the protective plate slides in the sliding groove, the sliding frame is provided with a threaded hole, and the connecting piece is connected to the threaded hole to facilitate the connection between the sliding frame and the extension plate.

[0010] In a further preferred embodiment, the sliding frame is provided with a second fixing hole, the fixing frame is connected to the second fixing hole, and the extension plate and the main body are provided with handles to facilitate the cutting of concrete by the main body.

[0011] In a further preferred embodiment, a second roller is installed at the bottom of the extension plate, and a positioning rod is provided on the positioning frame. The positioning rod is connected to the mounting component to facilitate the fixation of the mounting component's position.

[0012] In a further preferred embodiment, the mounting component is provided with a mounting block, the extension plate is provided with a mounting groove, and the mounting block is slidably connected to the mounting groove, which facilitates the rapid installation of the mounting component.

[0013] In a further preferred embodiment, the mounting component is provided with a positioning hole and a limiting groove, the main body is provided with a mating block, the positioning hole is connected to the positioning rod, and the mating block slides in the limiting groove to facilitate the adjustment of the cutting depth of the cutting machine.

[0014] (III) Beneficial Effects Compared with the prior art, the present invention provides a portable concrete cutter, which has the following advantages: In this invention, by setting a sliding mechanism, the device, through the cooperation of components such as the slide rail and the sliding frame, can achieve precise straight-line cutting by installing it on the guide rail. This is very important for work that requires high-precision cutting, such as door openings and window openings in buildings.

[0015] By setting the connecting mechanism, the simple design of this device, with the cooperation of the connecting parts and extension plates, makes the installation and adjustment process more convenient, and it is also easier to carry. It can save time and labor costs and improve work efficiency.

[0016] By setting up an operating mechanism, the device's excellent operability, achieved through the coordinated action of the main body and mounting components, can reduce operator fatigue, improve cutting accuracy and safety, and thus enhance overall work efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of a portable concrete cutter according to the present invention; Figure 2 This is a schematic diagram of the overall structure of this utility model from another angle; Figure 3 This is an exploded view of the operating mechanism in this utility model; Figure 4 This is an exploded view of the connecting mechanism in this utility model; Figure 5 This is an exploded view of the sliding mechanism in this utility model.

[0018] In the diagram: 1. Slide rail; 2. Sliding frame; 3. First roller; 4. Connector; 5. Extension plate; 6. Fixing frame; 7. First spring; 8. Main body; 9. Mounting component; 10. Second spring; 11. Positioning frame; 12. Third spring; 13. First fixing hole; 14. Sliding groove; 15. Protective plate; 16. Threaded hole; 17. Second fixing hole; 18. Handle; 19. Second roller; 20. Positioning rod; 21. Mounting block; 22. Mounting groove; 23. Positioning hole; 24. Limiting groove; 25. Mating block. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1: Please see Figures 1-5A portable concrete cutter includes a sliding mechanism, a connecting mechanism, and a running mechanism. The sliding mechanism includes a slide rail 1 and a sliding frame 2. The sliding frame 2 is installed inside the slide rail 1 and slidably connected to the slide rail 1. A first roller 3 is installed on the sliding frame 2. The first roller 3 is rotatably connected to the sliding frame 2 and slidably connected to the slide rail 1. The connecting mechanism includes a connector 4 and an extension plate 5. The extension plate 5 is installed on the sliding frame 2 and is connected to the sliding frame 2. The connector 4 is installed on the extension plate 5 and is connected to both the extension plate 5 and the sliding frame 2. A fixing frame 6 and a first spring 7 are installed on the connector 4. The fixing frame 6 is installed on the connector 4 and is slidably connected to the connector 4 and connected to the sliding frame 2. The first spring 7 is fixedly installed in the connector 4, and one end of it is fixedly connected to the fixing frame 6.

[0021] In this embodiment, the sliding mechanism includes a slide rail 1 and a sliding frame 2. In use, the slide rail 1 is first installed on the wall and fixed by inserting expansion screws and other fixing components into the first fixing hole 13. Then, the sliding frame 2 can be installed inside the slide rail 1. At this time, the first roller 3 on the sliding frame 2 slides in the sliding groove 14. In order to prevent impurities during cutting from affecting the sliding of the sliding frame 2, the protective plate 15 on the sliding frame 2 also slides in the sliding groove 14 at the same time.

[0022] In this embodiment, the connecting mechanism includes a connector 4 and an extension plate 5. In use, the extension plate 5 can be installed on the sliding frame 2. The fixing frame 6 can be pulled so that it can slide in the connector 4 and compress the first spring 7. The connector 4 can be rotated so that the threads between the connector 4 and the extension plate 5 engage and pass through the extension plate 5 to connect with the upper threaded hole 16 of the sliding frame 2, thereby fixing the extension plate 5 to the sliding frame 2. When the fixing frame 6 is released, the compressed first spring 7 directly pushes the fixing frame 6 so that the fixing frame 6 can directly connect with the second fixing hole 17 on the sliding frame 2, completing the installation of the extension plate 5.

[0023] In this embodiment, the operating mechanism includes a main body 8 and a mounting component 9. In use, the mounting component 9 can be installed onto the extension plate 5, so that the mounting block 21 on the mounting component 9 is connected to the mounting groove 22 on the extension plate 5. The positioning frame 11 is pulled in advance, so that the positioning frame 11 can slide directly in the extension plate 5 and compress the third spring 12. After the mounting component 9 is installed, the positioning frame 11 is released, so that the positioning rod 20 on the positioning frame 11 can be connected to the positioning hole 23 on the mounting component 9, thus fixing the position of the mounting component 9. In use, the main body 8 can directly drive the mating block 25 to slide in the limiting groove 24 and compress the second spring 10 according to the depth of the cut. The operator holds the handle 18 with both hands and directly drives the extension plate 5 to slide inside the slide rail 1, thus completing a stable and accurate cut to the concrete wall.

[0024] Example 2: In summary, during use, firstly, the slide rail 1 is installed on the wall, and expansion screws and other fixing components are inserted into the first fixing hole 13. Then, the sliding frame 2 can be installed inside the slide rail 1. At this time, the first roller 3 on the sliding frame 2 slides in the sliding groove 14. In order to prevent impurities during cutting from affecting the sliding of the sliding frame 2, the protective plate 15 on the sliding frame 2 also slides in the sliding groove 14 at the same time. Then, the extension plate 5 can be installed on the sliding frame 2. At this time, the fixing frame 6 can be pulled, so that the fixing frame 6 can slide in the connecting piece 4 and compress the first spring 7. At this time, the connecting piece 4 can be rotated, so that the threads between the connecting piece 4 and the extension plate 5 engage and pass through the extension plate 5 to connect with the upper threaded hole 16 of the sliding frame 2, thereby fixing the extension plate 5 to the sliding frame 2. At this time, the fixing frame 6 is released, and the compressed first spring 7 directly pushes the fixing frame 6, so that the fixing frame 6 can... The extension plate 5 is installed by directly connecting to the second fixing hole 17 on the sliding frame 2. After the extension plate 5 is installed, the main body 8 can be installed on the extension plate 5, so that the mounting block 21 on the mounting part 9 connects with the mounting groove 22 on the extension plate 5. The positioning frame 11 is pulled in advance so that the positioning frame 11 can slide directly in the extension plate 5 and compress the third spring 12. After the mounting part 9 is installed, the positioning frame 11 is released so that the positioning rod 20 on the positioning frame 11 can connect with the positioning hole 23 on the mounting part 9 to fix the position of the mounting part 9. When in use, the main body 8 can directly drive the mating block 25 to slide in the limiting groove 24 and compress the second spring 10 according to the depth of the cut. The operator holds the handle 18 with both hands and directly drives the extension plate 5 to slide inside the slide rail 1 to complete the stable and accurate cutting of the concrete wall.

[0025] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A portable concrete cutter, comprising a sliding mechanism, a connecting mechanism, and a running mechanism, characterized in that, The sliding mechanism includes a slide rail (1) and a sliding frame (2). The sliding frame (2) is installed inside the slide rail (1) and is slidably connected to the slide rail (1). A first roller (3) is installed on the sliding frame (2). The first roller (3) is rotatably connected to the sliding frame (2) and slidably connected to the slide rail (1). The connecting mechanism includes a connector (4) and an extension plate (5). The extension plate (5) is installed on the sliding frame (2) and is connected to the sliding frame (2). The connector (4) is installed on the extension plate (5) and is connected to the extension plate (5) and the sliding frame (2) respectively. A fixing frame (6) and a first spring (7) are installed on the connector (4). The fixing frame (6) is installed on the connector (4) and is slidably connected to the connector (4) and connected to the sliding frame (2) respectively. The first spring (7) is fixedly installed in the connector (4), and one end of it is fixedly connected to the fixing frame (6).

2. The portable concrete cutter according to claim 1, characterized in that: The operating mechanism includes a main body (8) and a mounting component (9). The mounting component (9) is mounted on the extension plate (5) and is connected to the extension plate (5). The mounting component (9) is slidably connected to the main body (8). A second spring (10) is mounted on the mounting component (9). One end of the second spring (10) is fixedly connected to the main body (8). The extension plate (5) is equipped with a positioning frame (11) and a third spring (12). The positioning frame (11) is slidably connected to the extension plate (5). The other end of the third spring (12) is fixedly connected to the positioning frame (11).

3. A portable concrete cutter according to claim 2, characterized in that: The slide rail (1) is provided with a first fixing hole (13) and a sliding groove (14). The first fixing hole (13) is provided at both ends of the slide rail (1), and the sliding groove (14) is slidably connected to the first roller (3).

4. A portable concrete cutter according to claim 3, characterized in that: The sliding frame (2) is provided with a protective plate (15), which slides in the sliding groove (14). The sliding frame (2) is provided with a threaded hole (16), and the connecting piece (4) is connected to the threaded hole (16).

5. A portable concrete cutter according to claim 1, characterized in that: The sliding frame (2) is provided with a second fixing hole (17), the fixing frame (6) is connected to the second fixing hole (17), and the extension plate (5) and the main body (8) are provided with handles (18).

6. A portable concrete cutter according to claim 2, characterized in that: The extension plate (5) is equipped with a second roller (19) at its bottom, and the positioning frame (11) is provided with a positioning rod (20), which is connected to the mounting component (9).

7. A portable concrete cutter according to claim 2, characterized in that: The mounting component (9) is provided with a mounting block (21), and the extension plate (5) is provided with a mounting groove (22). The mounting block (21) and the mounting groove (22) are slidably connected.

8. A portable concrete cutter according to claim 6, characterized in that: The mounting component (9) is provided with a positioning hole (23) and a limiting groove (24), and the main body (8) is provided with a mating block (25). The positioning hole (23) is connected to the positioning rod (20), and the mating block (25) slides in the limiting groove (24).