Protective cover structure of angle grinder

Abstract

The utility model discloses an angle grinder protective cover structure which comprises a protective cover which is of an annular structure, a grinding groove is formed in one side of the protective cover, a fixing assembly is arranged on the protective cover, a protective assembly is arranged in the protective cover and driven by a driving assembly, and the driving assembly comprises a rotary knob. A mounting hole is formed in the protective cover, a knob is arranged in the hole, a rotating groove is formed in the protective cover, a gear is arranged at the bottom of the knob, the gear is rotationally connected into the rotating groove, and a first rack and a second rack are arranged on the two sides of the gear and are of an annular structure. By rotating the knob, the gear drives the rack I and the rack II to drive the annular protection piece to rotate, so that the angle grinder shield can adjust the size of an opening, and the size of a cutting opening of an angle grinder can be conveniently adjusted according to a machining type.

Description

Technical Field

[0001] The utility model relates to the technical field of angle grinders, in particular to a protective cover structure of an angle grinder. Background Art

[0002] The angle grinder guard is an important part of the angle grinder. The core function of the guard is to provide a safe operating environment. It can effectively block sparks, debris and other potential dangerous substances during the operation to prevent these substances from causing harm to the operator. In addition, the guard can also prevent the flying objects generated when the grinding wheel breaks from causing serious harm to the human body to a certain extent. The current guards are mostly annular structures, which are prone to sparks when used, and cannot provide good protection when the grinding wheel breaks. In this regard, an angle grinder guard structure is proposed, which can adjust the opening size of the angle grinder guard, and the fixed structure is simple and easy to operate.

[0003] After searching, the Chinese patent application No. 202320922869.6 discloses a saw blade protective cover structure of an angle grinder, including a saw blade and a protective cover wrapped around the saw blade, the protective cover includes a protective bottom cover and a protective pressure cover that cooperate with each other, the protective pressure cover is provided with a connecting platform for fixing the grinder body, the front end of the protective cover is provided with a U-shaped notch for saw blade grinding, one side of the protective cover is provided with a spark port, and the inner side of the U-shaped notch is embedded with a top member. The protective cover device in the above-mentioned document has the following shortcomings: the opening of the protective cover is set in size by sliding, and no corresponding limit and fixing structure is provided, which makes the protective cover easy to slide during processing. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an angle grinder guard structure.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The angle grinder guard structure includes a guard, which is an annular structure. A grinding groove is provided on one side of the guard, a fixing component is provided on the guard, a protection component is provided inside the guard, and the protection component is driven by a driving component. The driving component includes a knob. A mounting hole is provided on the guard, a knob is provided in the hole, a rotating groove is provided inside the guard, a gear is provided at the bottom of the knob, the gear is rotatably connected in the rotating groove, rack one and rack two are provided on both sides of the gear, and rack one and rack two are annular structures.

[0007] As a further solution of the utility model: the protection assembly includes a mounting block, the mounting block is mounted on the rack one and the rack two, and an annular protection piece is arranged on the mounting block.

[0008] As a further solution of the utility model: the angle grinder guard also includes a fixing seat, which is installed on the upper part of the protective cover. The fixing seat is an annular structure, a table is arranged on the top of the fixing seat, and a circle of neatly arranged trapezoidal blocks is arranged at the bottom of the table.

[0009] As a further solution of the utility model: the fixing assembly includes a fixing part, which is arranged on the protective cover, the fixing part is an annular structure, the fixing part is connected to the fixing seat, and a trapezoidal block 2 is arranged inside the fixing part, and the trapezoidal block 2 and the trapezoidal block 1 are staggered with each other.

[0010] As a further solution of the utility model: the fixing assembly also includes an elastic steel ring, which is arranged on the fixing piece, and a fastening block is arranged on the elastic steel ring, a threaded hole is arranged in the fastening block, and a fastener is installed on the threaded hole.

[0011] As a further solution of the utility model: the protection component also includes a limit block, the limit block is installed in the protection cover, a groove is arranged on the limit block, and the annular protection piece is arranged in the groove.

[0012] As a further solution of the utility model: the angle grinder guard also includes a bottom shell, and the bottom shell is installed on the protective cover through a plurality of fixing bolts.

[0013] The beneficial effects of the utility model are:

[0014] The utility model rotates the knob to make the gear drive the rack one and the rack two to drive the annular protective member to rotate, so that the angle grinder guard can adjust the size of the opening, which is convenient for adjusting the cutting opening size of the angle grinder according to the processing type;

[0015] By rotating the protective cover, the protective cover can be rotated according to the processing needs, which is convenient for processing. By setting the trapezoidal block 1 and the trapezoidal block 2, the protective cover and the fixing component can be fixed;

[0016] The elastic steel ring can be fixed on the angle grinder by rotating the fastener, which is convenient for disassembly and installation;

[0017] By setting the limit block, the annular guard can be prevented from colliding with the grinding wheel and causing damage to the angle grinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model.

[0019] Figure 2 It is a structural schematic diagram of the cross section of the drive component of the utility model.

[0020] Figure 3 It is a structural schematic diagram of the protective component of the utility model.

[0021] Figure 4 It is a structural schematic diagram of the cross section of the fixing component of the utility model.

[0022] Figure 5 It is a structural schematic diagram of the bottom of the utility model.

[0023] In the figure: 1-protective cover, 2-fixing part, 3-elastic steel ring, 4-fastener, 5-fastening block, 6-knob, 7-fixing seat, 8-trapezoidal block one, 9-trapezoidal block two, 10-annular protective part, 11-mounting block, 12-rack one, 13-rotation groove, 14-rack two, 15-gear, 16-limiting block, 17-fixing bolt, 18-bottom shell. DETAILED DESCRIPTION

[0024] The technical solution of the utility model is further described in detail below in conjunction with specific implementation methods.

[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0026] Angle grinder guard structure, such as Figure 1-Figure 5 As shown, it includes a protective cover 1, which is an annular structure. A grinding groove is provided on one side of the protective cover 1, a fixing component is provided on the protective cover 1, a protective component is provided in the protective cover 1, and the protective component is driven by a driving component. The driving component includes a knob 6, a mounting hole is provided on the protective cover 1, the knob 6 is provided in the hole, a rotating groove 13 is provided in the protective cover 1, a gear 15 is provided at the bottom of the knob 6, the gear 15 is rotatably connected in the rotating groove 13, and a rack 12 and a rack 2 14 are provided on both sides of the gear 15, and the rack 12 and the rack 2 14 are annular structures.

[0027] like Figure 2 , Figure 3 As shown, the protection assembly includes a mounting block 11, and the mounting block 11 is mounted on a rack 12 and a rack 2 14, and an annular protection member 10 is provided on the mounting block 11.

[0028] By rotating the knob 6, the gear 15 drives the rack 12 and the rack 2 14 to drive the annular guard 10 to rotate, so that the angle grinder shield can adjust the size of the opening, which is convenient for adjusting the cutting size of the angle grinder according to the processing type.

[0029] In order to solve the problem of angle grinder guard installation; Figure 1 , Figure 3As shown, the angle grinder guard also includes a fixing seat 7, which is installed on the upper part of the protective cover 1. The fixing seat 7 is an annular structure, a table is arranged on the top of the fixing seat 7, and a circle of neatly arranged trapezoidal blocks 8 is arranged at the bottom of the table.

[0030] like Figure 1 , Figure 4 As shown, the fixing assembly includes a fixing part 2, which is arranged on the protective cover 1, and is a ring-shaped structure. The fixing part 2 is connected to the fixing seat 7, and a trapezoidal block 2 9 is arranged inside the fixing part 2, and the trapezoidal block 2 9 and the trapezoidal block 1 8 are staggered with each other.

[0031] By rotating the protective cover 1, the protective cover 1 can be rotated according to the needs of processing, which is convenient for processing. By arranging the trapezoidal block 1 8 and the trapezoidal block 2 9, the protective cover 1 and the fixing component can be fixed.

[0032] In order to solve the problem of angle grinder installation; Figure 1 As shown, the fixing assembly further includes an elastic steel ring 3, which is arranged on the fixing member 2. A fastening block 5 is arranged on the elastic steel ring 3, a threaded hole is arranged in the fastening block 5, and a fastener 4 is installed on the threaded hole.

[0033] The elastic steel ring 3 can be fixed on the angle grinder by rotating the fastener 4, so as to facilitate disassembly and installation.

[0034] In order to prevent the problem of the annular guard contacting the grinding wheel; Figure 2 As shown, the protection assembly further includes a limit block 16, which is installed in the protection cover 1. The limit block 16 is provided with a groove, and the annular protection member 10 is arranged in the groove.

[0035] The limiting block 16 can be provided to prevent the annular protective member 10 from colliding with the grinding wheel, thereby preventing the angle grinder from being damaged.

[0036] In order to solve the problem of the grinding wheel breaking and causing harm to the user when the angle grinder is used; Figure 5 As shown, the angle grinder guard further comprises a bottom shell 18 , and the bottom shell 18 is mounted on the protective cover 1 via a plurality of fixing bolts 17 .

[0037] Working principle: Install the angle grinder guard on the angle grinder through the fixing assembly, then remove the bottom shell 18, install the grinding wheel on the angle grinder, then fix the bottom shell with the fixing bolts 17, then rotate the knob to adjust the position of the annular guard 10 according to the processing method. If the position opening of the angle grinder guard needs to be changed, the rotating protective cover 1 can be rotated.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An angle grinder shield structure, comprising a shield (1), characterized in that: The protective cover (1) is an annular structure. A grinding groove is provided on one side of the protective cover (1). A fixing component is provided on the protective cover (1). A protective component is provided inside the protective cover (1). The protective component is driven by a driving component. The driving component comprises a knob (6). A mounting hole is provided on the protective cover (1). The knob (6) is provided in the hole. A rotating groove (13) is provided inside the protective cover (1). A gear (15) is provided at the bottom of the knob (6). The gear (15) is rotatably connected in the rotating groove (13). A rack 1 (12) and a rack 2 (14) are provided on both sides of the gear (15). The rack 1 (12) and the rack 2 (14) are annular structures.

2. The angle grinder shield structure according to claim 1, characterized in that: The protection assembly comprises a mounting block (11), wherein the mounting block (11) is mounted on rack one (12) and rack two (14), and an annular protection member (10) is provided on the mounting block (11).

3. The angle grinder shield structure according to claim 2, characterized in that: The angle grinder shield further comprises a fixing seat (7), wherein the fixing seat (7) is mounted on the upper part of the protective cover (1), the fixing seat (7) is an annular structure, a table is arranged on the top of the fixing seat (7), and a circle of neatly arranged trapezoidal blocks (8) is arranged at the bottom of the table.

4. The angle grinder shield structure according to claim 3, characterized in that: The fixing assembly comprises a fixing member (2), the fixing member (2) being arranged on the protective cover (1), the fixing member (2) being an annular structure, the fixing member (2) being connected to a fixing seat (7), a second trapezoidal block (9) being arranged inside the fixing member (2), the second trapezoidal block (9) being staggered with the first trapezoidal block (8).

5. The angle grinder shield structure according to claim 4, characterized in that: The fixing assembly further comprises an elastic steel ring (3), wherein the elastic steel ring (3) is arranged on the fixing member (2), a fastening block (5) is arranged on the elastic steel ring (3), a threaded hole is arranged in the fastening block (5), and a fastener (4) is installed on the threaded hole.

6. The angle grinder shield structure according to claim 5, characterized in that: The protection assembly further comprises a limit block (16), the limit block (16) being mounted in the protection cover (1), the limit block (16) being provided with a groove, and the annular protection element (10) being disposed in the groove.

7. The angle grinder shield structure according to claim 6, characterized in that: The angle grinder guard further comprises a bottom shell (18), wherein the bottom shell (18) is mounted on the protective cover (1) via a plurality of fixing bolts (17).

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