Structure for rapidly replacing protective cover

Abstract

The utility model discloses a structure capable of quickly replacing a shield, which belongs to the technical field of electric tools and comprises a cutting shield, the cutting shield is used for wrapping a polishing shield of an angle grinder inside, the cutting shield is provided with a first arc-shaped shell, an arc-shaped plate and a first outer baffle, and the arc-shaped plate and the outer baffle are positioned on two sides of the arc-shaped shell to form semi-cylindrical wrapping; when the cutting protective cover needs to be mounted or dismounted, the cutting protective cover is directly taken down from the polishing protective cover simply and conveniently, and rapid replacement of the cutting protective cover is achieved; due to the fact that the elastic supporting piece is arranged in the axial direction of the cutting protective cover, an assembly gap caused by the tolerance of the stamping process of the cutting protective cover and the polishing protective cover can be compensated, effective assembly of the cutting protective cover and the polishing protective cover is guaranteed, and firm assembly is further guaranteed.

Description

Technical Field

[0001] This utility model belongs to the field of power tool technology, and in particular relates to a structure for quick-change protective covers. Background Technology

[0002] An angle grinder, also known as an angle grinder or disc grinder, is an abrasive tool used for cutting and polishing fiberglass. It is a handheld power tool primarily used for cutting, grinding, and brushing metals and stone.

[0003] When using an angle grinder for cutting or grinding, different guards need to be changed for operation. This requires two sets of guards, which is inconvenient and makes it easy to lose multiple guards.

[0004] Therefore, this utility model proposes a structure for quick replacement of the protective cover. Utility Model Content

[0005] The purpose of this utility model is to solve the problem that existing angle grinders require changing different guards during cutting or grinding operations, which necessitates the configuration of two sets of guards, making operation inconvenient and increasing the risk of losing multiple guards. Therefore, this utility model proposes a structure for quick guard replacement.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a structure for quick-change protective cover, including a cutting cover, the cutting cover being used to wrap the grinding cover of the angle grinder inside, the cutting cover having a first arc-shaped outer shell, an arc plate and a first outer baffle, the arc plate and the outer baffle being located on both sides of the arc-shaped outer shell to form a semi-cylindrical wrapping;

[0007] The surface of the arc-shaped plate is provided with at least one elastic support member, and the elastic direction of the elastic support member is along the axial direction of the cutting cover.

[0008] As a further description of the above technical solution:

[0009] The surface of the curved plate has mounting holes, and the elastic support is installed in the mounting holes.

[0010] As a further description of the above technical solution:

[0011] The elastic support is I-shaped and made of rubber or silicone.

[0012] As a further description of the above technical solution:

[0013] The cutting guard is attached to the outside of the grinding guard.

[0014] As a further description of the above technical solution:

[0015] Both ends of the curved outer shell are equipped with elastic retaining clips, which are used to snap onto the two ends of the grinding cover.

[0016] As a further description of the above technical solution:

[0017] The grinding guard has a second arc-shaped outer shell, a second outer baffle and an arc-shaped mounting plate. The second outer baffle is located on one side of the second arc-shaped outer shell and the arc-shaped mounting plate is located in the middle of the second outer baffle.

[0018] As a further description of the above technical solution:

[0019] The curved mounting plate is equipped with a locking mechanism, which secures the grinding cover to the angle grinder.

[0020] As a further description of the above technical solution:

[0021] The locking mechanism includes a locking clamp, with threaded posts movably passing through the two mounting parts of the locking clamp. A limit block is fixed at one end of the threaded post, and a nut is threadedly connected to the other end of the threaded post. A limit wrench is pivotally connected to the limit block, and the limit wrench has a protrusion. Moving the limit wrench can cause the protrusion to squeeze the mounting part of the locking clamp.

[0022] As a further description of the above technical solution:

[0023] The threaded column is fitted with a first washer, and the limit block is fitted with a second washer.

[0024] As a further description of the above technical solution:

[0025] The limit block is equipped with a rotating shaft, which moves through the limit wrench.

[0026] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0027] 1. When it is necessary to install or remove the cutting cover, the cutting cover can be directly removed from the grinding cover, which is simple and convenient and enables quick replacement of the cutting cover.

[0028] 2. This utility model has an elastic support component in the axial direction of the cutting cover, which can compensate for the assembly gap caused by the tolerance of the stamping process of the cutting cover and the grinding cover, so as to ensure effective assembly of the two and thus ensure reliable assembly.

[0029] 3. This utility model enables quick replacement of the grinding cover through a locking mechanism. Attached Figure Description

[0030] Figure 1 This is a three-dimensional structural diagram of a quick-change shield structure, showing the first perspective of cutting the shield.

[0031] Figure 2 This is a three-dimensional structural diagram of a quick-change shield structure, showing a second perspective of cutting the shield.

[0032] Figure 3 This is a schematic diagram of the connection of the elastic support component in this utility model.

[0033] Figure 4 This is a schematic diagram of a structure for quick-change protective covers.

[0034] Figure 5 This is a schematic diagram of the grinding cover and locking mechanism in a quick-change cover structure.

[0035] Figure 6 This is a schematic diagram of the structure for grinding the protective cover in a quick-change protective cover design.

[0036] Figure 7 This is a schematic diagram of the locking mechanism in a quick-change protective cover structure.

[0037] Figure 8 for Figure 7 A schematic diagram of the structure when the middle nut, threaded post, limit block, first washer and second washer are connected.

[0038] Figure 9 This is a schematic diagram of the installation of the cutting guard in this utility model.

[0039] Legend:

[0040] 1. Cutting cover; 101. First arc-shaped outer shell; 102. Arc-shaped plate; 103. First outer baffle; 2. Grinding cover; 201. Second arc-shaped outer shell; 202. Second outer baffle; 203. Arc-shaped mounting plate; 3. Locking mechanism; 301. Locking clamp; 302. Anti-slip pad; 303. Nut; 304. Threaded post; 305. Limiting wrench; 306. Limiting block; 307. Rotating shaft; 308. First washer; 309. Second washer; 4. Elastic support component. Detailed Implementation

[0041] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0042] Please see Figures 1-8This utility model provides a technical solution: a structure for quick-change protective covers, including a cutting cover 1, which is used to wrap the grinding cover 2 of an angle grinder inside. The cutting cover 1 has a first arc-shaped outer shell 101, an arc-shaped plate 102, and a first outer baffle 103. The arc-shaped plate 102 and the outer baffle 103 are located on both sides of the arc-shaped outer shell 101 to form a semi-cylindrical wrapping, such as... Figure 1 and Figure 2 As shown, the area of ​​the first outer baffle 103 is larger than the area of ​​the arc plate 102, and a semi-circular opening is provided in the middle of the first outer baffle 103 for wrapping the output end of the angle grinder.

[0043] In a specific embodiment of this utility model, the cutting cover 1 is snapped onto the outside of the grinding cover 2. When it is necessary to install or remove the cutting cover 1, the cutting cover 1 can be directly removed from the grinding cover 2.

[0044] In a specific embodiment of this utility model, both ends of the arc-shaped outer shell 101 are provided with elastic fixing buckles 1011. The elastic fixing buckles 1011 are used to engage with both ends of the grinding cover 2. In specific installation, such as... Figure 9 As shown, first, one of the elastic fixing buckles 1011 is fastened to one end of the grinding cover 2, then the cutting cover 1 is rotated downwards to the other end with that end as the center, and then the other elastic fixing buckle 1011 is fastened to the other end of the grinding cover 2.

[0045] In a specific embodiment of this utility model, at least one mounting hole 1021 is provided on the surface of the arc plate 102. An elastic support 4 is installed in the mounting hole. The elastic support 4 is located in the mounting hole 1021. One end of the elastic support 4 abuts against the surface of the grinding cover 2. The cutting cover 1 has an elastic support 4 in the axial direction, which can compensate for the assembly gap caused by the tolerance of the stamping process of the cutting cover 1 and the grinding cover 2, so as to ensure effective assembly of the two and thus ensure reliable assembly.

[0046] In a specific embodiment of this utility model, the elastic support member 4 is I-shaped and made of rubber or silicone.

[0047] In a specific embodiment of this utility model, the grinding cover 2 has a second arc-shaped outer shell 201, a second outer baffle 202 and an arc-shaped mounting plate 203. The second outer baffle 202 is located on one side of the second arc-shaped outer shell 201, and the arc-shaped mounting plate 203 is located in the middle of the second outer baffle 202. After the cutting cover 1 and the grinding cover 2 are assembled, they form a hollow semi-cylindrical structure for wrapping the grinding disc of the angle grinder.

[0048] In a specific embodiment of this utility model, a locking mechanism 3 is provided on the arc-shaped mounting plate. The grinding cover 2 is fixed to the angle grinder by the locking mechanism 3, and the locking mechanism 3 enables the quick replacement of the grinding cover 2.

[0049] In a specific embodiment of this utility model, the locking mechanism 3 includes a locking clamp 301. A threaded post 304 is movably inserted through a mounting portion of the locking clamp 301. A limit block 306 is fixed to one end of the threaded post 304, and a nut 303 is threadedly connected to the other end of the threaded post 304. A limit wrench 305 is pivotally connected to the limit block 306. The limit wrench 305 has a protrusion and a flat portion, which form a smooth surface. By operating the limit wrench 305, the protrusion can press against the mounting portion of the locking clamp 301. A first washer 308 is fitted on the threaded post 304, and a second washer 309 is fitted on the limiting block 306. A rotating shaft 307 is provided on the limiting block 306, and the rotating shaft 307 moves through the limiting wrench 305. It is worth noting that an anti-slip pad 302 is fixed on the inner wall of the locking clamp 301. The anti-slip pad 302 is used for anti-slip. The anti-slip pad 302 can be made of rubber or silicone, and anti-slip protrusions are provided on the anti-slip pad 302. It is also worth noting that the limiting block 306 has a cuboid structure and slides through one of the mounting parts.

[0050] This utility model allows adjustment of the distance between the two mounting parts of the locking clamp 301 via the nut 303. When the limit wrench 305 is opened, the locking clamp 301 can be removed from the angle grinder; when the limit wrench 305 is engaged, as... Figure 7 As shown, the two mounting parts continue to move closer together, and the locking clamp 301 grips the angle grinder, thus achieving locking. The grinding cover 2 can be quickly replaced simply by moving the limit wrench 305.

[0051] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A structure for quick-change protective covers, comprising cutting the protective cover (1), characterized in that: The cutting cover (1) is used to wrap the grinding cover (2) of the angle grinder inside. The cutting cover (1) has a first arc-shaped outer shell (101), an arc-shaped plate (102) and a first outer baffle (103). The arc-shaped plate (102) and the outer baffle (103) are located on both sides of the arc-shaped outer shell (101) to form a semi-cylindrical wrap. The surface of the arc plate is provided with at least one elastic support member (4), and the elastic direction of the elastic support member (4) is along the axial direction of the cutting cover (1).

2. The structure for quick-change protective covers according to claim 1, characterized in that, The surface of the arc plate (102) is provided with a mounting hole (1021), and the elastic support (4) is disposed in the mounting hole (1021).

3. The structure for a quick-change protective cover according to claim 1, characterized in that, The elastic support (4) is I-shaped and made of rubber or silicone.

4. The structure for a quick-change protective cover according to claim 1, characterized in that, The cutting guard (1) is snapped onto the outside of the polishing guard (2).

5. The structure for a quick-change protective cover according to claim 4, characterized in that, Both ends of the arc-shaped outer shell (101) are provided with elastic fixing buckles (1011), which are used to be fastened to both ends of the polishing cover (2).

6. The structure for a quick-change protective cover according to claim 1, characterized in that, The polishing cover (2) has a second arc-shaped outer shell (201), a second outer baffle (202) and an arc-shaped mounting plate (203). The second outer baffle (202) is located on one side of the second arc-shaped outer shell (201), and the arc-shaped mounting plate (203) is located in the middle of the second outer baffle (202).

7. The structure for a quick-change protective cover according to claim 6, characterized in that, The arc-shaped mounting plate is provided with a locking mechanism (3), which fixes the grinding cover (2) to the angle grinder.

8. The structure for a quick-change protective cover according to claim 7, characterized in that, The locking mechanism (3) includes a locking clamp (301), and two mounting parts of the locking clamp (301) are movably connected by threaded posts (304). One end of the threaded post (304) is fixed with a limit block (306), and the other end of the threaded post (304) is threadedly connected with a nut (303). A limit wrench (305) is pivotally connected to the limit block (306). The limit wrench (305) has a protrusion. When the limit wrench (305) is moved, the protrusion can squeeze the mounting part of the locking clamp (301).

9. The structure for a quick-change protective cover according to claim 8, characterized in that, The threaded post (304) is fitted with a first gasket (308), and the limiting block (306) is fitted with a second gasket (309).

10. The structure for a quick-change protective cover according to claim 8, characterized in that, The limiting block (306) is provided with a rotating shaft (307), which movably passes through the limiting wrench (305).

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