CN213351950U

CN213351950U - Protective device of angle grinder

Info

Publication number: CN213351950U
Application number: CN202022259273.1U
Authority: CN
Inventors: 吴文国
Original assignee: Huizhou Hailiqi Electronics Co ltd
Current assignee: Huizhou Hailiqi Electronics Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-06-04
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses a protection device of an angle grinder, which belongs to the technical field of angle grinders and comprises an angle grinder main body, wherein a grinding wheel is installed on the angle grinder main body, a protection cover consisting of a fixed cover and a movable cover is installed on the outer surface of the grinding wheel, the fixed cover is installed on a casing of the angle grinder main body, a first fixed block and a second fixed block are respectively installed at the relative positions of the outer surface of the fixed cover and the outer surface of the movable cover, and the first fixed block and the second fixed block are connected through a movable clamping piece; the protective cover is formed by the fixed cover and the protective cover, the protective cover is a semicircular closed body, and then the splash of sparks in the working process of the angle grinder main body can be effectively avoided, the protective effect is good, the elasticity of the spring is utilized to enable the clamping block to be clamped into the slot to quickly fix the first fixed block and the second fixed block, and then the protective cover and the fixed cover are convenient to assemble, the structure is simple, and the operation is convenient.

Description

Protective device of angle grinder

Technical Field

The utility model belongs to the technical field of the angle grinder, concretely relates to protector of angle grinder.

Background

Angle grinders, also known as angle grinders, are classified into two major categories, pneumatic and electric, and only electric angle grinders are analyzed here. An electric angle grinder is a machine for grinding, cutting, removing rust, and polishing metal members using a high-speed rotating sheet wheel, a rubber wheel, a wire wheel, or the like, and is suitable for cutting, grinding, and brushing metal and stone materials, and water is not used in the work. Guide plates must be used when cutting stone. Grinding and polishing operations can also be performed for models equipped with electronic control devices, if appropriate accessories are installed on such machines.

The protective cover of the grinding wheel on the existing angle grinder is in a semicircular opening shape, sparks are easy to splash in the using process, certain using risk exists, meanwhile, the cutting depth is difficult to ensure due to the fact that a worker holds the grinding wheel in the grinding and cutting process, and certain inconvenience exists in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection device of angle grinder constitutes the protection casing through being provided with fixed cover and movable cover, and utilize and adjust shell cooperation clamp plate and use, all be semi-circular opening form with the protection casing of the last emery wheel of the current angle grinder who proposes in solving above-mentioned background art, splash the mars easily in the use, there is certain use risk, simultaneously polishing cutting process because the workman is handheld and be difficult to ensure the depth of cut, have certain inconvenient problem in the use.

In order to achieve the above object, the utility model provides a following technical scheme: a protection device of an angle grinder comprises an angle grinder main body, wherein a grinding wheel is mounted on the angle grinder main body, a protection cover consisting of a fixed cover and a movable cover is mounted on the outer surface of the grinding wheel, the fixed cover is mounted on a machine shell of the angle grinder main body, a first fixed block and a second fixed block are mounted on the outer surface of the fixed cover and the outer surface of the movable cover in opposite positions respectively, and the first fixed block and the second fixed block are connected through a movable clamping piece;

the front of activity cover is installed and is adjusted the shell, the below of adjusting the shell is provided with the clamp plate, the internally mounted of adjusting the shell has the regulating part that is used for adjusting the high position of clamp plate.

Adopt above-mentioned scheme, constitute the protection casing through setting up fixed cover and protection casing, the protection casing is a semi-circular obturator, and then can effectively avoid the spill of spark in the angle mill main part working process, the protecting effect is good, and utilize the elasticity of spring to make the fixture block card go into to carry out quick fixed to fixed block one and fixed block two in the slot, and then be convenient for assemble protection casing and fixed cover, moreover, the steam generator is simple in structure, and convenient for operation, through setting up adjusting shell and clamp plate, utilize clamp plate cooperation gyro wheel to slide at the workpiece surface, and then can guarantee the unity of cutting depth in the cutting process, and utilize the backup pad to slide from top to bottom in adjusting the shell, can drive the clamp plate up-and-down motion through the bracing piece, and utilize the bolt to carry out the rigidity, thereby can carry out the convenience regulation.

As a preferred embodiment, activity joint spare includes inserted block, slide bar, handle and fixture block, the back at fixed block two is installed to the inserted block, the front of fixed block one seted up with inserted block assorted slot, the passageway has been seted up on the fixed block one, the inside joint of passageway has the sliding sleeve, the inner wall at the sliding sleeve is established to the slide bar cover, the both ends of slide bar respectively with handle and fixture block between fixed connection, a side of inserted block seted up with fixture block assorted draw-in groove.

By adopting the scheme, the clamping block and the inserting block are installed, the inserting block is inserted into the slot, the handle is utilized to drive the clamping block to move through the sliding rod, the clamping block is clamped into the slot in the inserting block, effective fixation between the first fixing block and the second fixing block is achieved, and accordingly the fixing cover and the movable cover can be connected and fixed conveniently, the structure is simple, and operation is convenient.

As a preferred embodiment, the outer surface of the sliding rod is sleeved with a spring, and two ends of the spring are respectively and fixedly connected with one side face of the sliding sleeve opposite to the clamping block.

Adopt above-mentioned scheme, through installing the spring, utilize the effect that spring atress deformation produced to act on the fixture block, and then make the fixture block can be fast and more stable card inside the draw-in groove, and then make to connect more stably between fixed block one and the fixed block two to guarantee the stability after the whole equipment of protection casing.

As a preferred embodiment, the regulating part includes backup pad, bracing piece and bolt, backup pad slidable mounting is at the inner wall of adjusting the shell, the lower surface of backup pad and the one end fixed connection of bracing piece, the other end of bracing piece run through extend to adjust the shell and with the last fixed surface of clamp plate be connected, a plurality of regulation hole has been seted up in the front of adjusting the shell, the tail end of bolt passes regulation hole threaded connection in the backup pad.

Adopt above-mentioned scheme, use through being provided with backup pad and bracing piece cooperation, and then can slide in adjusting the shell through the backup pad for the bracing piece drives the clamp plate up-and-down motion, and utilizes the bolt to pass the regulation hole that different positions go out and fixed its position in entering into the backup pad, thereby can adjust the after-fixing to the position of clamp plate, and then can guarantee the depth of cut, and be convenient for adjust.

In a preferred embodiment, a plurality of rollers are mounted on the lower surface of the pressing plate.

By adopting the scheme, the rollers are installed, so that the pressing plate can move on the surface of the cutting workpiece through the rollers in the cutting process, and the stability of the moving process can be ensured.

Compared with the prior art, the beneficial effects of the utility model are that:

the protection device of the angle grinder is provided with the fixed cover and the protection cover to form the protection cover, the protection cover is a semicircular closed body, so that the splash of sparks in the working process of the angle grinder main body can be effectively avoided, the protection effect is good, the clamping block is clamped into the slot by utilizing the elasticity of the spring to quickly fix the first fixing block and the second fixing block, the protection cover and the fixed cover can be conveniently assembled, the structure is simple, and the operation is convenient;

this protector of angle grinder utilizes clamp plate cooperation gyro wheel to slide at the workpiece surface through setting up adjusting shell and clamp plate, and then can guarantee the unity of cutting depth in the cutting process, and utilizes the backup pad to slide from top to bottom in adjusting the shell, can drive the clamp plate up-and-down motion through the bracing piece to utilize the bolt to carry out the rigidity, thereby can carry out the convenience according to actual need to cutting depth and adjust perfect function diversity.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a front view section of the protective cover of the present invention;

FIG. 3 is a schematic structural diagram of a right-side view section of the first fixing block and the second fixing block of the present invention;

FIG. 4 is a schematic structural view of a front view section of the adjusting shell of the present invention;

fig. 5 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention.

In the figure: 1. an angle grinder body; 2. a grinding wheel; 3. a protective cover; 4. a fixed cover; 5. a movable cover; 6. a first fixed block; 7. a second fixed block; 8. a slot; 9. inserting a block; 10. a channel; 11. a sliding sleeve; 12. a slide bar; 13. a handle; 14. a clamping block; 15. a card slot; 16. a spring; 17. an adjustment housing; 18. a support plate; 19. a support bar; 20. pressing a plate; 21. a roller; 22. an adjustment hole; 23. and (4) bolts.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-5, the utility model provides a protection device for an angle grinder, which comprises an angle grinder body 1, wherein a grinding wheel 2 is arranged on the angle grinder body 1, a protection cover 3 consisting of a fixed cover 4 and a movable cover 5 is arranged on the outer surface of the grinding wheel 2, the fixed cover 4 is arranged on the casing of the angle grinder body 1, a fixed block I6 and a fixed block II 7 are respectively arranged at the relative positions of the outer surface of the fixed cover 4 and the outer surface of the movable cover 5, the fixed block I6 and the fixed block II 7 are connected through a movable clamping piece, the movable clamping piece comprises an inserting block 9, a slide rod 12, a handle 13 and a clamping block 14, the inserting block 9 is arranged on the back of the fixed block II 7, the front of the fixed block I6 is provided with an inserting groove 8 matched with the inserting block 9, the fixed block I6 is provided with a channel 10, the inner part of, two ends of the sliding rod 12 are respectively and fixedly connected with the handle 13 and the clamping block 14, and one side surface of the inserting block 9 is provided with a clamping groove 15 (see fig. 1, 2, 3 and 5) matched with the clamping block 14; through installing fixture block 14 and inserted block 9, utilize inserted block 9 to insert inside slot 8 to utilize handle 13 to pass through slide bar 12 and drive fixture block 14 motion, make inside slot 8 on inserted block 9 is gone into to fixture block 14 card, and then realize effectively fixing between fixed block one 6 and the fixed block two 7, thereby can be convenient for to fixed cover 4 and movable cover 5 be connected fixedly, simple structure, convenient operation.

The outer surface of the sliding rod 12 is sleeved with a spring 16, and two ends of the spring 16 are respectively and fixedly connected with one side surface of the sliding sleeve 11 opposite to the clamping block 14 (see fig. 2 and 5); through installing spring 16, utilize the effort that spring 16 atress deformation produced to act on fixture block 14, and then make fixture block 14 can be fast and more stable card inside draw-in groove 15, and then make to be connected more stably between fixed block one 6 and the fixed block two 7 to guarantee the stability after 3 whole equipment of protection casing.

An adjusting shell 17 is installed on the front surface of the movable cover 5, a pressing plate 20 is arranged below the adjusting shell 17, and a plurality of rollers 21 (see fig. 1 and 4) are installed on the lower surface of the pressing plate 20; by installing the roller 21, the pressing plate 20 can move on the surface of the cut workpiece through the roller 21 in the cutting process, and the stability of the moving process can be ensured.

An adjusting part for adjusting the height position of the pressing plate 20 is installed inside the adjusting shell 17, the adjusting part comprises a supporting plate 18, a supporting rod 19 and a bolt 23, the supporting plate 18 is slidably installed on the inner wall of the adjusting shell 17, the lower surface of the supporting plate 18 is fixedly connected with one end of the supporting rod 19, the other end of the supporting rod 19 penetrates through the adjusting shell 17 and is fixedly connected with the upper surface of the pressing plate 20, a plurality of adjusting holes 22 are formed in the front surface of the adjusting shell 17, and the tail end of the bolt 23 penetrates through the adjusting holes 22 and is in threaded connection with the supporting plate 18 (see fig. 1 and 4); through being provided with

backup pad

18 and 19 cooperation uses of bracing piece, and then can slide in adjusting shell 17 through backup pad 18 for bracing piece 19 drives clamp plate 20 up-and-down motion, and utilizes bolt 23 to pass the regulation hole 22 that different positions go out and enter into on backup pad 18 and fix its position, thereby can adjust the back to clamp plate 20's position and fix, and then can guarantee the depth of cut, and be convenient for adjust.

When the angle grinder is used, firstly, the position of the pressure plate 20 is adjusted according to the cutting depth, the bolt 23 is screwed out to separate from the adjusting shell 17 during adjustment, the pressure plate 20 is supported to move up and down to be adjusted to a required position, then the bolt 23 is screwed in to fix the position of the supporting plate 18, then the angle grinder body 1 is started to carry out cutting operation, a worker holds the grinding wheel 2 in the rotation of the angle grinder body 1 to carry out cutting, the grinding wheel 2 enters the inside of a workpiece during cutting, the pressure plate 20 is contacted with the surface of the workpiece through the roller 21, the angle grinder body 1 can be supported to advance at the moment, the uniformity of the cutting depth can be ensured, meanwhile, the splash of sparks can be avoided by utilizing the protective cover 3, when the grinding wheel 2 is worn and needs to be replaced, the handle 13 is pulled to drive the sliding rod 12 to move, the clamping block 14 is separated from the clamping groove 15, and the movable cover 5 can be pulled to, and the movable cover 5 is removed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A guard for an angle grinder, comprising: the angle grinder comprises an angle grinder main body (1), wherein a grinding wheel (2) is mounted on the angle grinder main body (1), a protective cover (3) consisting of a fixed cover (4) and a movable cover (5) is mounted on the outer surface of the grinding wheel (2), the fixed cover (4) is mounted on a machine shell of the angle grinder main body (1), a first fixed block (6) and a second fixed block (7) are mounted at the relative positions of the outer surface of the fixed cover (4) and the outer surface of the movable cover (5) respectively, and the first fixed block (6) and the second fixed block (7) are connected through a movable clamping piece;

the front of movable cover (5) is installed and is adjusted shell (17), the below of adjusting shell (17) is provided with clamp plate (20), the internally mounted of adjusting shell (17) has the regulating part that is used for adjusting the high position of clamp plate (20).

2. The angle grinder guard of claim 1, wherein: the activity joint spare includes inserted block (9), slide bar (12), handle (13) and fixture block (14), the back at fixed block two (7) is installed in inserted block (9), front of fixed block (6) seted up with inserted block (9) assorted slot (8), passageway (10) have been seted up on fixed block (6), the inside joint of passageway (10) has sliding sleeve (11), the inner wall at sliding sleeve (11) is established in slide bar (12) cover, the both ends of slide bar (12) respectively with handle (13) and fixture block (14) between fixed connection, draw-in groove (15) with fixture block (14) assorted have been seted up to a side of inserted block (9).

3. The angle grinder guard of claim 2, wherein: the outer surface of the sliding rod (12) is sleeved with a spring (16), and two ends of the spring (16) are fixedly connected with one side face, opposite to the sliding sleeve (11) and the clamping block (14), respectively.

4. The angle grinder guard of claim 1, wherein: the regulating part comprises a supporting plate (18), a supporting rod (19) and a bolt (23), the supporting plate (18) is slidably mounted on the inner wall of the regulating shell (17), the lower surface of the supporting plate (18) is fixedly connected with one end of the supporting rod (19), the other end of the supporting rod (19) penetrates through the upper surface of the regulating shell (17) and is fixedly connected with a pressing plate (20), a plurality of regulating holes (22) are formed in the front surface of the regulating shell (17), and the tail end of the bolt (23) penetrates through the regulating holes (22) and is in threaded connection with the supporting plate (18).

5. The angle grinder guard of claim 1, wherein: the lower surface of the pressing plate (20) is provided with a plurality of rollers (21).