Quick-release rotary structure of protective cover of angle grinder

Abstract

The utility model relates to angle grinder component technical field discloses a kind of quick-release rotary structure of protective cover of angle grinder, including angle grinder main body, drive machine shell, the drive machine shell fixedly connected at the top outer wall of angle grinder main body, the drive machine shell output end is fixedly connected with abrasive disc, adjusting mechanism is provided on the drive machine shell, auxiliary mechanism is provided on the adjusting mechanism, the adjusting mechanism includes fixed frame, the fixed frame fixedly connected at the left side outer wall of drive machine shell, the front side inner wall of fixed frame is opened in limiting slot, the front side inner wall of fixed frame is opened in clamping groove, the top and bottom two side inner walls of limiting slot are slidably connected with adjusting disc, the front side outer wall of adjusting disc is fixedly connected with adjusting disc. In the utility model, through the cooperation of limiting slot, clamping groove and adjusting disc in adjusting mechanism, and the linkage design of limiting rod, butt joint hole and compression spring, the quick installation and disassembly of protective cover are realized.

Description

Technical Field

[0001] This utility model relates to the technical field of angle grinder components, and in particular to a quick-release rotating structure for a protective cover of an angle grinder. Background Technology

[0002] When an angle grinder is used for cutting and grinding, it generates a large amount of flying debris, including sparks, chips, and grinding wheel fragments. A protective shield can effectively block these flying debris, preventing injury to the operator's eyes, face, body, and other parts of the body, thus reducing the risk of injury.

[0003] First, unplug the angle grinder to ensure it won't start unexpectedly during installation. Then, align the protective cover with the grinder's mounting position and secure it firmly using the included screws and nuts. Some protective covers may require angle adjustments to match the grinding wheel's position and operational needs. Finally, check that the protective cover is securely installed without looseness or wobbling. Regularly inspect the protective cover for damage, deformation, or cracks. If any damage is found, replace it immediately. Keep the protective cover clean, promptly removing dust, debris, and other contaminants to maintain its protective effectiveness. During use, avoid impacts to the protective cover to prevent structural damage and reduced protective performance.

[0004] The protective cover for angle grinders has the following drawbacks: it is generally installed and fixed with screws and nuts, which requires the use of special tools for disassembly and installation, making the overall installation and disassembly process cumbersome and affecting the convenience of replacement and maintenance. To address these issues, a quick-release rotating structure for the protective cover of angle grinders is proposed. Summary of the Invention

[0005] To overcome the above shortcomings, this utility model provides a quick-release rotating structure for the protective cover of an angle grinder, which aims to improve the problem that the existing technology generally uses screws and nuts for installation and fixation, which requires the use of professional tools for disassembly and installation, resulting in a cumbersome overall installation and disassembly process.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a quick-release rotating structure for a protective cover of an angle grinder, comprising an angle grinder body and a drive housing, wherein the drive housing is fixedly connected to the top outer wall of the angle grinder body, a grinding wheel is fixedly connected to the output end of the drive housing, an adjustment mechanism is provided on the drive housing, an auxiliary mechanism is provided on the adjustment mechanism, the adjustment mechanism includes a fixing frame, the fixing frame is fixedly connected to the left outer wall of the drive housing, a limit groove is formed on the front inner wall of the fixing frame, a slot is formed on the front inner wall of the fixing frame, an adjustment plate is slidably connected to the top and bottom inner walls of the limit groove, an adjustment plate is fixedly connected to the front outer wall of the adjustment plate, a docking hole is formed on the front inner wall of the adjustment plate, an adjustment plate is slidably connected to the front inner wall of the drive housing, a limit rod is fixedly connected to the front outer wall of the adjustment plate, a compression spring is fixedly connected to the rear outer wall of the adjustment plate, and a directional mark is formed on the front outer wall of the fixing frame.

[0007] As a further description of the above technical solution: the auxiliary mechanism includes a positioning groove, which is formed on the front outer wall of the adjustment plate. A positioning plate is slidably connected to the front inner wall of the positioning groove. A transparent window frame is fixedly connected to the right outer wall of the positioning plate. A threaded rod is threadedly connected to the front inner wall of the positioning plate. A movable plate is fixedly connected to the front end of the threaded rod.

[0008] As a further description of the above technical solution: the limiting groove is connected to the card slot, the adjusting disc is slidably connected to the rear inner wall of the card slot, and the front outer wall of the pointing mark is fixedly connected with a bright coating.

[0009] As a further description of the above technical solution: wear-resistant pads are fixedly connected to both the limiting rod and the outer side wall of the docking hole, and the limiting rod penetrates the interior of the docking hole.

[0010] As a further description of the above technical solution: frosted pads are fixedly connected to the outer walls of the front and rear sides of the adjustment plate, and the end of the compression spring away from the adjustment plate is fixedly connected to the inner wall of the rear side of the drive housing.

[0011] As a further description of the above technical solution: the threaded rod is threadedly connected to the inner wall of the front side of the protective cover, and the outer wall of the side of the movable disc is provided with grooves.

[0012] As a further description of the above technical solution: a silicone sleeve is fixedly connected to the outer side wall of the groove, and the thickness of the transparent window frame is four millimeters.

[0013] This utility model has the following beneficial effects:

[0014] 1. In this utility model, the cooperation of the limiting groove, the slot and the adjusting plate in the adjusting mechanism, as well as the linkage design of the limiting rod, the docking hole and the compression spring, realizes the quick installation and disassembly of the protective cover. The operation can be completed without complicated tools. The adjusting plate can rotate in the slot, and the angle of the protective cover can be easily adjusted by combining the pointing mark, adapting to different working scenarios and effectively improving the flexibility and efficiency of operation.

[0015] 2. In this utility model, the problem of obstructed vision is solved by setting a transparent window frame without affecting the protective effect, which further facilitates operation and observation. The transparent window frame is installed firmly by the cooperation of the positioning groove, positioning plate and threaded rod. It can also be disassembled and replaced separately, avoiding the increased cost of replacing the entire protective cover. It takes into account both the stability of the structure and the economy of use. Attached Figure Description

[0016] Figure 1 This is a schematic front view of the quick-release rotating structure of the protective cover for an angle grinder proposed in this utility model;

[0017] Figure 2 This is a schematic diagram showing the disassembled quick-release rotating structure of the protective cover for an angle grinder proposed in this utility model;

[0018] Figure 3 This is a schematic diagram of the adjustment mechanism of the quick-release rotating structure of the protective cover of an angle grinder proposed in this utility model;

[0019] Figure 4 This is a schematic diagram of the auxiliary mechanism of the quick-release rotating structure of the protective cover of an angle grinder proposed in this utility model.

[0020] Legend:

[0021] 1. Angle grinder body; 2. Drive housing; 3. Grinding wheel; 4. Adjustment mechanism; 41. Fixing frame; 42. Limiting groove; 43. Slot; 44. Adjustment plate; 45. Protective cover; 452. Docking hole; 46. Adjustment plate; 47. Limiting rod; 48. Compression spring; 49. Pointing mark; 5. Auxiliary mechanism; 51. Positioning groove; 52. Positioning plate; 53. Transparent window frame; 54. Threaded rod; 55. Movable plate; 56. Truncation. Detailed Implementation

[0022] 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.

[0023] Reference Figures 1-3 This utility model provides an embodiment of a quick-release rotating structure for a protective cover of an angle grinder, including an angle grinder body 1 and a drive housing 2. The drive housing 2 is fixedly connected to the top outer wall of the angle grinder body 1. A grinding wheel 3 is fixedly connected to the output end of the drive housing 2. The grinding wheel 3 is the core working component of the angle grinder for cutting, grinding, and other operations. The fixed connection at the output end of the drive housing 2 ensures stable power transmission to the grinding wheel 3, guaranteeing normal operation. An adjustment mechanism 4 is provided on the drive housing 2, and an auxiliary mechanism 5 is provided on the adjustment mechanism 4. The adjustment mechanism 4 includes a fixing frame 41, which is fixedly connected to the left outer wall of the drive housing 2. A limit groove 42 and a slot 43 are provided on the front inner wall of the fixing frame 41. The slot 43 cooperates with the limit groove 42 to adjust the angle grinder body. After the disc 44 is rotated, it is positioned to prevent the adjusting disc 44 from rotating arbitrarily during operation. The adjusting disc 44 is slidably connected to the inner walls of the top and bottom sides of the limiting groove 42. The adjusting disc 44 is fixedly connected to the outer wall of the front side. The inner wall of the front side of the adjusting disc 44 is provided with a docking hole 452. The docking hole 452 cooperates with the limiting rod 47 to lock the adjusting disc 44 after it is rotated to the position, preventing the adjusting disc 44 from loosening during operation. The inner wall of the front side of the drive housing 2 is slidably connected with an adjusting plate 46. The outer wall of the front side of the adjusting plate 46 is fixedly connected with a limiting rod 47. The outer wall of the rear side of the adjusting plate 46 is fixedly connected with a compression spring 48. The outer wall of the front side of the fixing frame 41 is provided with a pointing mark 49. The pointing mark 49 can provide a reference for the rotation angle of the adjusting disc 44, making it convenient for the operator to quickly rotate the adjusting disc 44 to the appropriate position.

[0024] Reference Figures 2-4 The limiting groove 42 is connected to the slot 43. The adjusting plate 44 is slidably connected to the rear inner wall of the slot 43. The front outer wall of the pointing mark 49 is fixedly connected with a bright coating. The bright coating makes the pointing mark 49 more conspicuous, which is convenient for the operator to quickly identify and refer to, thus improving the operating efficiency. The limiting rod 47 and the side outer wall of the docking hole 452 are both fixedly connected with wear-resistant pads. The wear-resistant pads can reduce the wear between the limiting rod 47 and the docking hole 452, extend the service life of both, and enhance the stability of the snap-fit. The limiting rod 47 passes through the interior of the docking hole 452. The front and rear outer walls of the adjusting plate 46 are fixedly connected with frosted pads. The frosted pads can increase the friction between the operator's hand and the adjusting plate 46, which makes it easier for the operator to pull the adjusting plate 46 and improve the convenience of operation. The end of the compression spring 48 away from the adjusting plate 46 is fixedly connected to the rear inner wall of the drive housing 2.

[0025] Reference Figures 3-4The auxiliary mechanism 5 includes a positioning groove 51, which is located on the front outer wall of the adjusting plate 44. The positioning groove 51 provides an accurate position for the installation of the positioning plate 52, ensuring the stability of the connection between the positioning plate 52 and the adjusting plate 44. The positioning plate 52 is slidably connected to the front inner wall of the positioning groove 51. A transparent window frame 53 is fixedly connected to the right outer wall of the positioning plate 52. The transparent window frame 53 provides the operator with a clear view without affecting the protective effect of the protective cover 45, making it easy to observe the operating area of ​​the grinding wheel 3. A threaded rod 54 is threadedly connected to the front inner wall of the positioning plate 52. A movable rod is fixedly connected to the front end of the threaded rod 54. After the movable disc 55 and threaded rod 54 are separated, the positioning plate 52 and transparent window frame 53 are no longer fixed and can be disassembled. The threaded rod 54 is threaded to the inner front wall of the protective cover 45. The outer side wall of the movable disc 55 has a groove 56. A silicone sleeve is fixedly connected to the outer side wall of the groove 56. The silicone sleeve can increase the comfort of the operator when rotating the movable disc 55, and at the same time further enhance the friction to prevent slipping. The thickness of the transparent window frame 53 is four millimeters. The material of the transparent window frame 53 is polycarbonate PC board, which has an impact resistance 250 times that of glass. It retains the impact resistance of the metal frame and solves the problem of obstructed vision.

[0026] Working principle: By inserting the adjusting plate 44 into the limiting groove 42, and then rotating the adjusting plate 44 to contact the end of the slot 43, the mating hole 452 on the adjusting plate 44 engages with the limiting rod 47, facilitating the installation of the protective cover 45. When disassembly is required, the limiting rod 47 is moved by pulling the adjusting plate 46, separating it from the mating hole 452. Then, the adjusting plate 44 is rotated counterclockwise to a certain position, and then pulled out of the limiting groove 42 for easy disassembly. Simultaneously, the protective cover 45 obstructs a certain operating view, allowing for perspective observation of the grinding wheel 3 operating area through the transparent window frame 53 without affecting the effectiveness of the protective cover 45. For long-term use, rotating the movable plate 55 causes the threaded rod 54 to rotate, separating it from the positioning plate 52 and the protective cover 45, allowing for easy disassembly of the transparent window frame 53, reducing overall replacement costs.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A quick-release rotating structure for a protective cover of an angle grinder, comprising an angle grinder body (1) and a drive housing (2), characterized in that: The drive housing (2) is fixedly connected to the top outer wall of the angle grinder body (1). The output end of the drive housing (2) is fixedly connected to a grinding wheel (3). An adjustment mechanism (4) is provided on the drive housing (2). An auxiliary mechanism (5) is provided on the adjustment mechanism (4). The adjustment mechanism (4) includes a fixed frame (41), which is fixedly connected to the left outer wall of the drive housing (2). A limit groove (42) is provided on the front inner wall of the fixed frame (41), and a slot (43) is provided on the front inner wall of the fixed frame (41). An adjustment plate (44) is slidably connected to the inner walls of the top and bottom sides of the limit groove (42). An adjustment plate (44) is fixedly connected to the front outer wall of the adjustment plate (44). A docking hole (452) is provided on the front inner wall of the adjustment plate (44). An adjustment plate (46) is slidably connected to the front inner wall of the drive housing (2). A limit rod (47) is fixedly connected to the front outer wall of the adjustment plate (46). A compression spring (48) is fixedly connected to the rear outer wall of the adjustment plate (46). A directional mark (49) is provided on the front outer wall of the fixed frame (41).

2. The quick-release rotating structure for the protective cover of an angle grinder according to claim 1, characterized in that: The auxiliary mechanism (5) includes a positioning groove (51), which is located on the front outer wall of the adjustment plate (44). A positioning plate (52) is slidably connected to the front inner wall of the positioning groove (51). A transparent window frame (53) is fixedly connected to the right outer wall of the positioning plate (52). A threaded rod (54) is threadedly connected to the front inner wall of the positioning plate (52). A movable plate (55) is fixedly connected to the front end of the threaded rod (54).

3. The quick-release rotating structure for the protective cover of an angle grinder according to claim 1, characterized in that: The limiting groove (42) is connected to the card slot (43), the adjusting plate (44) is slidably connected to the rear inner wall of the card slot (43), and the front outer wall of the pointing mark (49) is fixedly connected with a bright coating.

4. The quick-release rotating structure for the protective cover of an angle grinder according to claim 1, characterized in that: The limiting rod (47) and the outer side wall of the docking hole (452) are both fixedly connected with wear-resistant pads, and the limiting rod (47) penetrates the interior of the docking hole (452).

5. The quick-release rotating structure for the protective cover of an angle grinder according to claim 1, characterized in that: The front and rear outer walls of the adjustment plate (46) are fixedly connected with frosted pads, and the end of the compression spring (48) away from the adjustment plate (46) is fixedly connected to the rear inner wall of the drive housing (2).

6. The quick-release rotating structure for a protective cover of an angle grinder according to claim 2, characterized in that: The threaded rod (54) is threaded to the inner wall of the front side of the protective cover (45), and the outer side wall of the movable disc (55) is provided with a groove (56).

7. The quick-release rotating structure for a protective cover of an angle grinder according to claim 6, characterized in that: The outer side wall of the groove (56) is fixedly connected with a silicone sleeve, and the thickness of the transparent window frame (53) is four millimeters.

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