An indoor decoration auxiliary opening slot device

By designing an auxiliary cable troughing device for interior decoration, the problems of low efficiency and dust pollution of traditional cable troughing methods have been solved, achieving consistent cable trough depth and construction safety, and improving construction efficiency and quality.

CN119795388BActive Publication Date: 2026-04-21霍广学
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
霍广学
Filing Date
2025-01-15
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Traditional methods of creating cable grooves are inefficient, involve complicated procedures, and are prone to generating dust and noise. Furthermore, it is difficult to ensure the consistency of the depth and width of the cable grooves, which affects the quality of subsequent cable laying.

Method used

An auxiliary device for cutting grooves in interior decoration has been designed, including a cutting device, a protective device, and a moving device. The groove depth is kept consistent through a spring and lever mechanism, a spray nozzle is provided to reduce dust, and a wheel correction mechanism is provided to prevent deviation.

Benefits of technology

This achieves stability in the depth of the cable trays, reduces dust pollution, improves construction efficiency, and ensures the quality and safety of the cable trays.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention discloses an auxiliary wire grooving device for interior decoration, relating to the field of auxiliary wire grooving technology. The device includes a base plate, a cutting device, a protective device, and a moving device. The cutting device comprises an arc-shaped cover, a first frame, a first slider, a circular saw, a handle, a second slider, a long column, a lever, and a long plate. The arc-shaped cover is fixedly connected to the top of the base plate, the first frame is fixedly connected to the top of the base plate, the long column is fixedly connected inside the first frame, and the first slider is slidably connected to the circumferential surface of the long column. When the long plate moves downwards, it drives the circular saw downwards. When the circular saw moves downwards, it contacts the ground, at which point it grooves the ground. The downward distance of the circular saw can be controlled by pressing down the handle, allowing the depth of the grooving to be adjusted.
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Description

Technical Field

[0001] This invention relates to the field of auxiliary cable grooving technology, specifically to an auxiliary cable grooving device for interior decoration. Background Technology

[0002] With the increasing demand for interior decoration, traditional cable grooving methods are inefficient, cumbersome, and prone to generating a lot of dust and noise. To improve construction efficiency, reduce pollution, and ensure safety, an auxiliary cable grooving device for interior decoration has been developed to optimize the construction process and improve work quality.

[0003] Patent publication number CN210850844U relates to the field of construction engineering equipment technology and discloses a grooving device for building decoration. The device includes a housing, a motor, an intermediate shaft, an output shaft, and a saw blade. The motor, intermediate shaft, and output shaft are all housed within the housing. The saw blade is mounted on the output shaft and rotates with it at the front end of the housing. One end of the intermediate shaft is rotatably connected to the output shaft, and the other end is rotatably connected to the motor's rotating shaft. The intermediate shaft and output shaft are perpendicular to each other. A handle is located at the rear end of the housing. A dust cover and a base plate are located at the upper and lower ends of the front end of the housing, respectively. The saw blade is located below the dust cover. An opening groove is recessed at the front end of the base plate, and the outer peripheral wall of the saw blade extends out of the opening groove. This patent's technical solution can create grooves of different angles, widths, and depths according to different construction needs, without dust pollution, reducing labor intensity, greatly improving efficiency, and demonstrating strong practicality.

[0004] The aforementioned patent allows for the creation of cable trenches with varying angles, widths, and depths to meet different construction needs. This eliminates dust pollution, reduces labor intensity, significantly improves efficiency, and is highly practical. However, workers may not be able to guarantee that all the cable trenches created will maintain the same depth and width. When the depths of the cable trenches are inconsistent, it may affect the subsequent burying of cables. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an auxiliary cable trenching device for interior decoration, which solves the problems mentioned in the background section.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an auxiliary grooving device for interior decoration, comprising a base plate, a cutting device, a protective device, and a moving device; wherein, the cutting device comprises an arc-shaped cover, a first frame, a first slider, a circular saw, a handle, a second slider, a long column, a lever, and a long plate; the arc-shaped cover is fixedly connected to the top of the base plate, the first frame is fixedly connected to the top of the base plate, the long column is fixedly connected to the inside of the first frame, the first slider is slidably connected to the circumferential surface of the long column, the long plate is fixedly connected to the bottom of the first slider, the circular saw is rotatably connected to the rear side of the long plate, the handle is fixedly connected to the top of the first slider, a short groove is provided on the front side of the first slider, the second slider is slidably connected to the inside of the short groove, and the lever is fixedly connected to the front side of the second slider.

[0007] According to the above technical solution, a second spring is provided between the short groove and the second slider, a first spring is provided between the first slider and the first frame, and an irregular long groove is provided on the front side of the first frame.

[0008] According to the above technical solution, the protective device includes a rotating rod, a slider three, a protective cover, and a frame two. The top of the rotating rod is rotatably connected to the left side of the slider one. The frame two is fixedly connected to the bottom of the base plate. The slider three is slidably connected inside the frame two. The bottom of the rotating rod is rotatably connected to the top of the slider three. The protective cover is fixedly connected to the rear side of the slider three.

[0009] According to the above technical solution, the protection device further includes a connecting block, a water tank, a water pipe, a nozzle, and a baffle. The water tank is fixedly connected to the top of the base plate, the water pipe is fixedly connected to the bottom of the base plate, the connecting block is fixedly connected to the front side of the slider three, the baffle is fixedly connected to the front side of the connecting block, and the nozzle is located on the rear side of the water pipe.

[0010] According to the above technical solution, the baffle is in contact with the nozzle, and a pressurizing device is installed inside the water tank.

[0011] According to the above technical solution, the moving device includes a turntable, a vertical plate, wheels, a horizontal plate, and a long rod. The turntable is rotatably connected to the bottom of the base plate, the vertical plate is fixedly connected to the bottom of the turntable, the wheels are rotatably connected to the rear side of the vertical plate, the horizontal plate is fixedly connected to the right side of the vertical plate, and the long rod is rotatably connected to the front side of the horizontal plate.

[0012] According to the above technical solution, the moving device further includes a short plate, an arc-shaped frame, a short column, a support block, a sliding rod, a spring, a push block, an arc-shaped block, and an arc-shaped inclined plate. The short plate is fixedly connected to the right side of the long rod, the arc-shaped frame is fixedly connected to the bottom of the base plate, the short column is fixedly connected to the top of the short plate, the support block is fixedly connected to the bottom of the base plate, the sliding rod slides through the front and back of the support block, the arc-shaped block is fixedly connected to the right end of the sliding rod, the spring is fixedly connected to the left side of the sliding rod, the push block is fixedly connected to the left side of the spring, and the arc-shaped inclined plate is fixedly connected to the bottom of the base plate.

[0013] According to the above technical solution, the short column is slidably connected inside the arc-shaped frame, the arc-shaped block is in contact with the short column, and the push block is in contact with the protective cover.

[0014] This invention provides an auxiliary device for creating cable grooves in interior decoration. It has the following beneficial effects:

[0015] (1) In this invention, when the long plate moves downward, the long plate will drive the circular saw to move downward. When the circular saw moves downward, it will contact the ground. At this time, the circular saw will cut a groove in the ground. The distance the circular saw moves downward can be controlled by pressing down the handle, so that the depth of the groove can be adjusted. Spring 1 can bear the weight of the circular saw disc, which can effectively prevent the circular saw from moving downward and causing damage to the ground when the worker's hand leaves the handle. When the lever moves to the right to the rightmost end of the irregular long groove, the lever will be pushed upward by the elastic force of spring 1. At this time, the lever will be stuck by the irregular long groove and spring 1, and the height of the circular saw will be fixed. When the height of the circular saw is fixed, the depth of the ground cut by the circular saw will be consistent. This can effectively prevent the depth of the groove cut by the circular saw from being inconsistent due to the worker's inability to press down the handle stably when cutting the ground, which will affect the subsequent burying of the wire.

[0016] (2) In this invention, the protective cover will control the distance the protective cover moves to the left according to the distance the circular saw moves downward, so that the protective cover can fit the circular saw better and can effectively prevent the circular saw from falling off due to sudden conditions during operation, thus causing the circular saw to fly out. The nozzle will spray water on the cutting position of the circular saw, which can prevent the circular saw from getting too hot and reduce the dust generated by the circular saw during the cutting process, thus preventing injury to the workers. When the circular saw cuts deeper, more nozzles will leak out. The nozzle will control the amount of water sprayed according to the distance the circular saw moves downward, thus reducing the amount of water used, preventing the ground from slipping, and reducing the difficulty of cleaning.

[0017] (3) When the device needs to turn, the long rod will keep the rotation angle of the front and rear wheels consistent, which can facilitate the movement of the device. When the short rod moves along the arc surface of the arc block, the short rod will move to the middle part of the front and rear wheels. When the horizontal plate rotates, the horizontal plate will drive the wheels to correct, which can effectively prevent the wheels from tilting, thereby causing the cut groove to deviate. When the arc inclined plate moves, the arc inclined plate will contact the ground. At this time, the arc inclined plate will clear the obstacles in front of the wheels to prevent the wheels from pressing on the obstacles and thus deviating. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the disassembled structure of the arc-shaped cover of the present invention;

[0020] Figure 3 This is a schematic diagram showing the position and structure of the circular saw and the arc-shaped cover of the present invention;

[0021] Figure 4 This is a schematic diagram of the disassembled structure of the base plate of the present invention;

[0022] Figure 5 For the present invention Figure 4 Enlarged schematic diagram of the structure at part A in the middle;

[0023] Figure 6 This is a schematic diagram showing the position and structure of the connecting block and the baffle in this invention;

[0024] Figure 7 This is a schematic diagram of the positional structure of the short column and the arc-shaped block in this invention;

[0025] Figure 8 For the present invention Figure 4 Enlarged schematic diagram of the structure of part B in the middle.

[0026] In the diagram: 1. Base plate; 2. Arc-shaped cover; 3. Frame 1; 4. Spring 1; 5. Slider 1; 6. Circular saw; 7. Handle; 8. Spring 2; 9. Slider 2; 10. Long column; 13. Lever; 14. Long plate; 1101. Rotating rod; 1102. Slider 3; 1103. Protective cover; 1104. Connecting block; 1105. Water tank; 1106. Water pipe; 1107. Nozzle; 108. Baffle; 1109. Frame II; 1201. Turntable; 1202. Vertical plate; 1203. Wheel; 1204. Horizontal plate; 1205. Long pole; 1206. Short plate; 1207. Curved frame; 1208. Short column; 1209. Support block; 1210. Sliding rod; 1211. Spring III; 1212. Push block; 1213. Curved block; 1214. Curved inclined plate. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] Please see Figures 1-8 One embodiment of the present invention is: an auxiliary device for cutting grooves in interior decoration, including a base plate 1 and a cutting device; wherein, the cutting device includes an arc-shaped cover 2, a frame 3, a slider 5, a circular saw 6, a handle 7, a second slider 9, a long column 10, a lever 13, and a long plate 14; the arc-shaped cover 2 is fixedly connected to the top of the base plate 1, the frame 3 is fixedly connected to the top of the base plate 1, the long column 10 is fixedly connected to the inside of the frame 3, the slider 5 is slidably connected to the circumferential surface of the long column 10, the long plate 14 is fixedly connected to the bottom of the slider 5, the circular saw 6 is rotatably connected to the rear side of the long plate 14, and the handle 7 is fixedly connected to the top of the slider 5. A short groove is provided on the front side of slider 1 5. Slider 2 9 is slidably connected inside the short groove. The lever 13 is fixedly connected to the front side of slider 2 9. When the lever 13 moves to the rightmost end of the irregular long groove, the lever 13 will be pushed upward by the elastic force of spring 1 4. At this time, the lever 13 will be stuck by the irregular long groove and spring 1 4, and the height of the circular saw 6 will be fixed. When the height of the circular saw 6 is fixed, the depth of the ground cut by the circular saw 6 will be consistent. This can effectively prevent the workers from cutting the ground due to the inability to press the handle 7 down stably, which would cause the depth of the groove cut by the circular saw 6 to be inconsistent, thus affecting the subsequent burying of the wire.

[0029] A spring 8 is provided between the short groove and the slider 2 9, and a spring 4 is provided between the slider 1 5 and the frame 1 3. An irregular long groove is provided on the front side of the frame 1 3, and the lever 13 moves in the irregular long groove.

[0030] In this embodiment, the circular saw 6 is started first. As the rotational speed of the circular saw 6 increases, the handle 7 is pressed down. When the handle 7 moves downward, it moves slider 5 downward. Sliding slider 5 moves downward, which in turn moves the long plate 14 downward. The long plate 14 then moves the circular saw 6 downward. When the circular saw 6 moves downward, it contacts the ground, at which point it grooves the ground. When slider 5 moves downward, it moves slider 9 downward. When slider 9 moves downward, it moves lever 13 downward. The distance lever 13 moves downward can be observed to determine the movement of the circular saw 6. The lever 13 moves downwards to the required depth for grooving. Then, it is pushed to the right. As it moves to the right, it follows the irregular long groove. When it reaches the rightmost end of the groove, it moves upwards under the force of spring 4. At this point, the lever 13 is locked in place by the irregular long groove and spring 4, fixing the height of the circular saw 6. This ensures a consistent cutting depth, preventing uneven groove depths caused by the worker's inability to stabilize the circular saw 6 during cutting, which would negatively impact subsequent wire installation.

[0031] Please see Figures 1-8 Based on the above embodiments, another embodiment of the present invention further includes a protective device and a moving device; the protective device includes a rotating rod 1101, a slider three 1102, a protective cover 1103, and a frame two 1109. The top of the rotating rod 1101 is rotatably connected to the left side of the slider one 5, the frame two 1109 is fixedly connected to the bottom of the base plate 1, the slider three 1102 is slidably connected inside the frame two 1109, the bottom of the rotating rod 1101 is rotatably connected to the top of the slider three 1102, and the protective cover 1103 is fixedly connected to the rear side of the slider three 1102. The protective cover 1103 will control the distance to move to the left according to the distance the circular saw 6 moves downward, so that the protective cover 1103 can fit the circular saw 6 more closely, which can effectively prevent the circular saw 6 from falling off due to sudden conditions during operation, thereby causing the circular saw 6 to have its blades ejected.

[0032] The protective device also includes a connecting block 1104, a water tank 1105, a water pipe 1106, a nozzle 1107, and a baffle 1108. The water tank 1105 is fixedly connected to the top of the base plate 1, the water pipe 1106 is fixedly connected to the bottom of the base plate 1, the connecting block 1104 is fixedly connected to the front side of the slider 1102, the baffle 1108 is fixedly connected to the front side of the connecting block 1104, and the nozzle 1107 is located behind the water pipe 1106. The deeper the circular saw 6 cuts, the more nozzles 1107 will be exposed. The nozzle 1107 will control the amount of water sprayed according to the distance the circular saw 6 moves downward, thereby reducing water consumption, preventing the ground from slipping, and reducing cleaning difficulty.

[0033] The baffle 1108 contacts the nozzle 1107. The water tank 1105 is equipped with a pressurizing device, which will start synchronously with the start of the circular saw 6 and continuously increase the pressure inside the water tank 1105.

[0034] The moving device includes a turntable 1201, a vertical plate 1202, wheels 1203, a horizontal plate 1204, and a long rod 1205. The turntable 1201 is rotatably connected to the bottom of the base plate 1, the vertical plate 1202 is fixedly connected to the bottom of the turntable 1201, the wheels 1203 are rotatably connected to the rear side of the vertical plate 1202, the horizontal plate 1204 is fixedly connected to the right side of the vertical plate 1202, and the long rod 1205 is rotatably connected to the front side of the horizontal plate 1204. When the device needs to turn, the long rod 1205 will keep the rotation angle of the front and rear wheels 1203 consistent, which facilitates the movement of the device.

[0035] The moving device also includes a short plate 1206, an arc-shaped frame 1207, a short column 1208, a support block 1209, a sliding rod 1210, a spring 1211, a push block 1212, an arc-shaped block 1213, and an arc-shaped inclined plate 1214. The short plate 1206 is fixedly connected to the right side of the long rod 1205, the arc-shaped frame 1207 is fixedly connected to the bottom of the base plate 1, the short column 1208 is fixedly connected to the top of the short plate 1206, the support block 1209 is fixedly connected to the bottom of the base plate 1, and the sliding rod 1210 slides. The arc-shaped block 1213 is fixedly connected to the right end of the slide rod 1210 through the front and back of the support block 1209. The spring 1211 is fixedly connected to the left side of the slide rod 1210. The push block 1212 is fixedly connected to the left side of the spring 1211. The arc-shaped inclined plate 1214 is fixedly connected to the bottom of the base plate 1. When the horizontal plate 1204 rotates, the horizontal plate 1204 will drive the wheel 1203 to correct itself, which can effectively prevent the wheel 1203 from tilting, thereby causing the cut groove to shift.

[0036] The short column 1208 is slidably connected inside the arc frame 1207. The arc block 1213 contacts the short column 1208, and the push block 1212 contacts the protective cover 1103. When the protective cover 1103 moves a large distance, the push block 1212 will drive the spring 1211 to retract.

[0037] In this embodiment, during operation: when slider 5 moves downward, it drives the rotating rod 1101 to rotate. When the rotating rod 1101 rotates, it drives slider 3 1102 to move to the left. When slider 3 1102 moves to the left, it drives the protective cover 1103 to move to the left. At this time, the protective cover 1103 controls the distance it moves to the left based on the downward movement of the circular saw 6. This allows the protective cover 1103 to fit more closely to the circular saw 6, effectively preventing the circular saw 6 from falling off due to sudden conditions during operation. To prevent the circular saw 6 from ejecting its blade, when slider 3 1102 moves to the left, slider 3 1102 will drive connecting block 1104 to move to the left. When connecting block 1104 moves to the left, connecting block 1104 will drive baffle 1108 to move to the left. When baffle 1108 moves to the left, baffle 1108 will disengage from nozzle 1107. Spray nozzle 1107, which is disengaged from baffle 1108, will spray water onto the cutting area of ​​circular saw 6. This can prevent the circular saw 6 from overheating and reduce the dust generated by circular saw 6 during the cutting process, thus reducing the risk of injury to workers.

[0038] Wheel 1203 drives the device to move. When the device needs to turn, wheel 1203 rotates, causing vertical plate 1202 to rotate. Vertical plate 1202 then rotates long rod 1205, ensuring that the front and rear wheels 1203 rotate at the same angle, facilitating the device's movement. When long rod 1205 rotates, it also drives short plate 12... 06 moves. When the short plate 1206 moves, it will drive the short column 1208 to move. When the protective cover 1103 opens, it will contact the push block 1212. When the protective cover 1103 continues to open, it will drive the spring 1211 and the slide rod 1210 to move to the right. When the slide rod 1210 moves to the right, it will drive the arc block 1213 to move to the right. When the arc block 1213 moves to the right, it will contact the short column 1208. As 1213 continues to move to the right, the short rod 1208 will move along the arc surface of the arc block 1213. When the short rod 1208 moves along the arc surface of the arc block 1213, it will move to the middle of the front and rear wheels 1203. When the short rod moves to the middle of the front and rear wheels 1203, it will drive the short plate 1206 to move. When the short plate 1206 moves, it will drive the long rod 1205 to the middle of the front and rear wheels 1203. At this time, the long rod 1205 will drive the horizontal plate 1... When the horizontal plate 1204 rotates, it drives the wheel 1203 to correct itself, effectively preventing the wheel 1203 from tilting and causing the cut groove to shift. When the equipment moves, the base plate 1 drives the arc-shaped inclined plate 1214 to move. When the arc-shaped inclined plate 1214 moves, it contacts the ground. At this time, the arc-shaped inclined plate 1214 clears obstacles in front of the wheel 1203, preventing the wheel 1203 from pressing on obstacles and shifting.

[0039] Although embodiments of the invention 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 the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An auxiliary wiring channel device for interior decoration, comprising a base plate (1), characterized in that: It also includes cutting devices, protective devices, and moving devices; The cutting device includes an arc-shaped cover (2), a frame (3), a slider (5), a circular saw (6), a handle (7), a second slider (9), a long column (10), a lever (13), and a long plate (14). The arc-shaped cover (2) is fixedly connected to the top of the base plate (1), the frame (3) is fixedly connected to the top of the base plate (1), the long column (10) is fixedly connected to the inside of the frame (3), the slider (5) is slidably connected to the circumferential surface of the long column (10), the long plate (14) is fixedly connected to the bottom of the slider (5), the circular saw (6) is rotatably connected to the rear side of the long plate (14), the handle (7) is fixedly connected to the top of the slider (5), a short groove is opened on the front side of the slider (5), the second slider (9) is slidably connected to the inside of the short groove, and the lever (13) is fixedly connected to the front side of the second slider (9). A spring 2 (8) is provided between the short groove and the slider 2 (9), a spring 1 (4) is provided between the slider 1 (5) and the frame 1 (3), and an irregular long groove is provided on the front side of the frame 1 (3). The protective device includes a rotating rod (1101), a slider three (1102), a protective cover (1103), and a frame two (1109). The top of the rotating rod (1101) is rotatably connected to the left side of the slider one (5). The frame two (1109) is fixedly connected to the bottom of the base plate (1). The slider three (1102) is slidably connected inside the frame two (1109). The bottom of the rotating rod (1101) is rotatably connected to the top of the slider three (1102). The protective cover (1103) is fixedly connected to the rear side of the slider three (1102). The protective device also includes a connecting block (1104), a water tank (1105), a water pipe (1106), a nozzle (1107), and a baffle (1108). The water tank (1105) is fixedly connected to the top of the base plate (1), the water pipe (1106) is fixedly connected to the bottom of the base plate (1), the connecting block (1104) is fixedly connected to the front side of the slider three (1102), the baffle (1108) is fixedly connected to the front side of the connecting block (1104), and the nozzle (1107) is located on the rear side of the water pipe (1106).

2. The auxiliary wiring trough device for interior decoration according to claim 1, characterized in that: The baffle (1108) contacts the nozzle (1107), and the water tank (1105) is equipped with a pressurizing device.

3. The auxiliary wiring trough device for interior decoration according to claim 2, characterized in that: The moving device includes a turntable (1201), a vertical plate (1202), a wheel (1203), a horizontal plate (1204), and a long rod (1205). The turntable (1201) is rotatably connected to the bottom of the base plate (1). The vertical plate (1202) is fixedly connected to the bottom of the turntable (1201). The wheel (1203) is rotatably connected to the rear side of the vertical plate (1202). The horizontal plate (1204) is fixedly connected to the right side of the vertical plate (1202). The long rod (1205) is rotatably connected to the front side of the horizontal plate (1204).

4. The auxiliary wiring trough device for interior decoration according to claim 3, characterized in that: The moving device also includes a short plate (1206), an arc frame (1207), a short column (1208), a support block (1209), a sliding rod (1210), a spring (1211), a push block (1212), an arc block (1213), and an arc inclined plate (1214). The short plate (1206) is fixedly connected to the right side of the long rod (1205), the arc frame (1207) is fixedly connected to the bottom of the base plate (1), and the short column (1208) is fixedly connected to the short plate (1209). At the top of 6), the support block (1209) is fixedly connected to the bottom of the base plate (1), the slide rod (1210) slides through the front and back of the support block (1209), the arc block (1213) is fixedly connected to the right end of the slide rod (1210), the spring three (1211) is fixedly connected to the left side of the slide rod (1210), the push block (1212) is fixedly connected to the left side of the spring three (1211), and the arc inclined plate (1214) is fixedly connected to the bottom of the base plate (1).

5. The auxiliary wiring trough device for interior decoration according to claim 4, characterized in that: The short column (1208) is slidably connected inside the arc frame (1207), the arc block (1213) is in contact with the short column (1208), and the push block (1212) is in contact with the protective cover (1103).

Citation Information

Patent Citations

  • Trunking device for building decoration

    CN210850844U

  • Saw blade machining equipment for manufacturing and production

    CN112846398A

  • Wire slot forming device

    CN115723256A