Sanding sheet with detachable protective structure

Abstract

The utility model provides a sanding disc with a detachable protective structure, which relates to the technical field of sanding discs and comprises a fixing rod, a grinding disc is fixedly mounted on the surface of the fixing rod, a sliding groove is formed in the surface of the fixing rod, a sliding block is slidably connected into the sliding groove, a protective cover is fixedly mounted on the surface of the sliding block, and the protective cover is fixedly connected with the grinding disc. A threaded groove is formed in the surface of the fixing rod, the fixing rod, a grinding disc, a sliding groove, a sliding block, a protective cover, the threaded groove, a connecting rod, a limiting block and a fixing ring structure are arranged, the fixing ring slides on the surface of the connecting rod, the limiting block is located under the fixing ring, and therefore the fixing ring can be effectively limited; the fixing ring can be directly screwed, finally, the protective cover is taken down in a sliding mode, the sand mill can be replaced with sand millstones of different sizes through the fixing rods in threaded connection, when the fixing ring is completely installed, the sliding block can be just limited, and the protective cover is further fixed while disassembly is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of abrasive discs, in particular to an abrasive disc with a detachable protection structure. Background Art

[0002] A grinding wheel is a relatively common vitrified abrasive tool, mainly used for rough grinding, semi-precision grinding, grooving and cutting of the outer circle, inner circle, plane and other profiles of metal or non-metal workpieces; in the grinding wheel working chamber of the prior art, a high-speed rotating grinding wheel contacts the workpiece to be processed and applies pressure, thereby generating friction for correcting the shape of metal parts. The utility model patent with the publication number CN216504314U discloses a highly stable special grinding wheel, which solves the problems that the existing grinding wheel has a simple structure and single function, and different grinding wheel discs need to be replaced during use to correct the shape of metal parts, resulting in low work efficiency. It includes a grinding wheel base body, an adjusting component is installed at the middle position of the top end of the grinding wheel base body, a protective cover is installed at the bottom end of the adjusting component, the protective cover is adapted to the grinding wheel base body, and a connecting seat is installed at the top end of the adjusting component. In actual application of the above technology, when the grinding machine needs to replace grinding discs of different sizes, bolts need to be unscrewed, and the protective cover is fixedly connected to the grinding disc. When maintenance and disassembly are required, the grinding disc is easily damaged and needs to be improved. Summary of the Utility Model

[0003] The purpose of the utility model is to solve the technical problems raised in the above background art.

[0004] The utility model adopts the following technical scheme: an abrasive disc with a detachable protection structure, including a fixed rod, a grinding disc is fixedly installed on the surface of the fixed rod, a sliding groove is opened on the surface of the fixed rod, a sliding block is slidably connected inside the sliding groove, a protective cover is fixedly installed on the surface of the sliding block, a threaded groove is opened on the surface of the fixed rod, a connecting rod is placed on the surface of the fixed rod, a limiting block is fixedly installed on the surface of the connecting rod, and a fixing ring is slidably connected to the surface of the connecting rod.

[0005] Preferably, the limiting block is located below the fixing ring, and the inner wall of the fixing ring is threadedly connected to the threaded groove on the surface of the fixed rod. Here, the fixing ring slides on the surface of the connecting rod, and the limiting block is located directly below the fixing ring, which can effectively limit the fixing ring. When the protective cover needs to be disassembled, the fixing ring can be directly rotated, and finally the protective cover can be slid off. The threaded fixed rod can also be used to replace grinding discs of different sizes on the grinding machine.

[0006] Preferably, anti-slip lines are opened on the surface of the fixing ring. Here, the anti-slip lines can increase the friction between the human hand and the fixing ring, making it more labor-saving for people to rotate the fixing ring, thereby improving the disassembly efficiency of the protective cover.

[0007] Preferably, a clamping groove is formed on the surface of the limit block, and a clamping block is fixedly installed on the surface of the fixed rod. The clamping block is adapted to the clamping groove. Here, when fixing the fixed rod and the connecting rod, it is necessary to fit the clamping groove and the clamping block. When the clamping groove and the clamping block are adapted, it can not only limit the fixed rod, but also provide a reference standard for installing the fixed rod.

[0008] Preferably, the shape of the protective cover is semi-circular, and the number of the sliding blocks is eight groups. The eight groups of sliding blocks are arranged in a circumferential array on the surface of the protective cover. Here, the semi-circular protective cover can have a larger protection area, making the abrasive disc safer during use. The eight groups of sliding blocks can fix the protective cover better. When the fixing ring is completely installed, it can just limit the sliding blocks, which is convenient for disassembly and further fixes the protective cover.

[0009] Preferably, a threaded hole is formed on the surface of the fixed rod, a round hole is formed on the surface of the fixing ring, and a bolt is threadedly connected between the round hole and the threaded hole. Here, when the fixing ring and the fixed rod are completely fitted, the round hole and the threaded hole can just be aligned, and then the bolt is screwed in, which can further limit the fixing ring and the fixed rod, making the abrasive disc more stable during use.

[0010] Preferably, a handle is rotatably connected to the surface of the bolt. Here, the rotatably connected handle can facilitate the rotation of the personnel and increase the service life of the handle at the same time.

[0011] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0012] 1. In the present utility model, by setting the fixed rod, grinding disc, sliding groove, sliding block, protective cover, threaded groove, connecting rod, limit block, and fixing ring structures, the fixing ring slides on the surface of the connecting rod, and the limit block is located directly below the fixing ring, which can effectively limit the fixing ring. When it is necessary to disassemble the protective cover, the fixing ring can be directly screwed, and finally the protective cover can be slid off. The threadedly connected fixed rod can also enable the grinding machine to replace abrasive discs of different sizes. When the fixing ring is completely installed, it can just limit the sliding blocks, which is convenient for disassembly and further fixes the protective cover.

[0013] 2. In the present utility model, by providing an anti-slip texture structure, the anti-slip texture can increase the friction between the human hand and the fixing ring, making it more labor-saving for a person to rotate the fixing ring, thereby improving the disassembly efficiency of the protective cover. By providing a threaded hole, a round hole, a bolt, and a handle structure, when the fixing ring is completely fitted with the fixing rod, the round hole and the threaded hole can be exactly aligned, and then the bolt is screwed in, which can further limit the fixing ring and the fixing rod, making the abrasive disc more stable during use. The rotatable connection of the handle can facilitate the rotation by the person and also increase the service life of the handle. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 FIG. is a schematic diagram of a sanding disc with a detachable protective structure proposed by the present utility model;

[0015] Figure 2 FIG. is an overall schematic diagram of a sanding disc with a detachable protective structure proposed by the present utility model;

[0016] Figure 3 FIG. is a schematic diagram of the protective cover of a sanding disc with a detachable protective structure proposed by the present utility model.

[0017] LEGEND DESCRIPTION:

[0018] 1. Fixing rod; 2. Grinding disc; 3. Chute; 4. Sliding block; 5. Protective cover; 6. Threaded groove; 7. Connecting rod; 8. Limiting block; 9. Fixing ring; 10. Card slot; 11. Card block; 12. Anti-slip texture; 13. Threaded hole; 14. Round hole; 15. Bolt; 16. Handle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] In order to more clearly understand the above-mentioned objects, features, and advantages of the present utility model, the following further describes the present utility model with reference to the drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0020] In the following description, many specific details are set forth to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.

[0021] Embodiment 1

[0022] Please refer to Figures 1-3, the present utility model provides a technical solution: a sanding disc with a detachable protective structure, including a fixing rod 1, a grinding disc 2 is fixedly installed on the surface of the fixing rod 1, a sliding groove 3 is formed on the surface of the fixing rod 1, a sliding block 4 is slidably connected inside the sliding groove 3, a protective cover 5 is fixedly installed on the surface of the sliding block 4, a threaded groove 6 is formed on the surface of the fixing rod 1, a connecting rod 7 is placed on the surface of the fixing rod 1, a limiting block 8 is fixedly installed on the surface of the connecting rod 7, a fixing ring 9 is slidably connected on the surface of the connecting rod 7, the limiting block 8 is located below the fixing ring 9, the inner wall of the fixing ring 9 is threadedly connected with the threaded groove 6 on the surface of the fixing rod 1, the fixing ring 9 slides on the surface of the connecting rod 7, and the limiting block 8 is located directly below the fixing ring 9, which can effectively limit the fixing ring 9. When it is necessary to disassemble the protective cover 5, the fixing ring 9 can be directly rotated, and finally the protective cover 5 can be slid off. The threadedly connected fixing rod 1 can also enable the sander to replace sanding discs 2 of different sizes. Anti-slip lines 12 are formed on the surface of the fixing ring 9, and the anti-slip lines 12 can increase the friction between the human hand and the fixing ring 9, making it more labor-saving for the person to rotate the fixing ring 9, thereby improving the disassembly efficiency of the protective cover 5. A card slot 10 is formed on the surface of the limiting block 8, a clamping block 11 is fixedly installed on the surface of the fixing rod 1, and the clamping block 11 is adapted to the card slot 10. When fixing the fixing rod 1 and the connecting rod 7, it is necessary to fit the card slot 10 and the clamping block 11. When the card slot 10 and the clamping block 11 are adapted, it can not only limit the fixing rod 1, but also provide a reference standard for installing the fixing rod 1. The shape of the protective cover 5 is semi-circular, and the number of sliding blocks 4 is eight groups. The eight groups of sliding blocks 4 are arranged in a circumferential array on the surface of the protective cover 5. The semi-circular protective cover 5 can have a larger protection area, making the sanding disc 2 safer during use. The eight groups of sliding blocks 4 can better fix the protective cover 5. When the fixing ring 9 is completely installed, it can just limit the sliding block 4, facilitating disassembly and further fixing the protective cover 5.

[0023] Embodiment 2

[0024] Please refer to Figure 2 , a screw hole 13 is formed on the surface of the fixing rod 1, a round hole 14 is formed on the surface of the fixing ring 9, and a bolt 15 is threadedly connected between the round hole 14 and the screw hole 13. When the fixing ring 9 and the fixing rod 1 are completely fitted, the round hole 14 and the screw hole 13 can be just aligned, and then the bolt 15 is screwed in, which can further limit the fixing ring 9 and the fixing rod 1, making the sanding disc 2 more stable during use. A handle 16 is rotatably connected to the surface of the bolt 15. The rotatably connected handle 16 can facilitate the rotation of the person and increase the service life of the handle 16 at the same time.

[0025] Working principle: When in use, first select a suitable grinding disc 2, and then align the sliding block 4 on the surface of the protective cover 5 with the chute 3 on the surface of the fixed rod 1. The semi-circular protective cover 5 can have a larger protective area, making the abrasive disc 2 safer during use. After slidingly connecting the protective cover 5 to the fixed rod 1, fit the card slot 10 with the card block 11. The card slot 10 and the card block 11 are just adapted to each other. This can not only limit the fixed rod 1 but also provide a reference standard for installing the fixed rod 1. Then, turn the fixing ring 9. The anti-slip pattern 12 can increase the friction between the human hand and the fixing ring 9, making it easier for the person to turn the fixing ring 9, thus improving the disassembly efficiency of the protective cover 5. When the fixing ring 9 is completely installed, it can just limit the sliding block 4, facilitating disassembly and further fixing the protective cover 5. When the fixing ring 9 is completely fitted with the fixed rod 1, the round hole 14 and the screw hole 13 can be just aligned. Then, screw in the bolt 15. This can further limit the fixing ring 9 and the fixed rod 1, making the abrasive disc 2 more stable during use. The rotatably connected handle 16 can facilitate the rotation of the person and also increase the service life of the handle 16.

[0026] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A sanding disc with a detachable protective structure, comprising a fixing rod (1), characterized in that: A grinding disc (2) is fixedly installed on the surface of the fixed rod (1). A chute (3) is formed on the surface of the fixed rod (1). A sliding block (4) is slidably connected inside the chute (3). A protective cover (5) is fixedly installed on the surface of the sliding block (4). A threaded groove (6) is formed on the surface of the fixed rod (1). A connecting rod (7) is placed on the surface of the fixed rod (1). A limiting block (8) is fixedly installed on the surface of the connecting rod (7). A fixing ring (9) is slidably connected to the surface of the connecting rod (7).

2. The abrasive disc with a detachable protective structure according to claim 1, characterized in that: The limiting block (8) is located below the fixing ring (9). The inner wall of the fixing ring (9) is threadedly connected to the threaded groove (6) on the surface of the fixed rod (1).

3. The abrasive disc with a detachable protective structure according to claim 1, characterized in that: Anti-slip lines (12) are formed on the surface of the fixing ring (9).

4. The abrasive disc with a detachable protection structure according to claim 1, characterized in that: A clamping groove (10) is formed on the surface of the limiting block (8). A clamping block (11) is fixedly installed on the surface of the fixed rod (1). The clamping block (11) is adapted to the clamping groove (10).

5. The abrasive disc with a detachable protection structure according to claim 1, characterized in that: The shape of the protective cover (5) is semi-circular. The number of the sliding blocks (4) is eight groups. The eight groups of sliding blocks (4) are arranged in a circumferential array on the surface of the protective cover (5).

6. The abrasive disc with a detachable protective structure according to claim 1, wherein: A screw hole (13) is formed on the surface of the fixed rod (1). A round hole (14) is formed on the surface of the fixing ring (9). A bolt (15) is threadedly connected between the round hole (14) and the screw hole (13).

7. The abrasive disc with a detachable protection structure according to claim 6, characterized in that: A handle (16) is rotatably connected to the surface of the bolt (15).

Images