CN219075243U

CN219075243U - Pneumatic angle grinder

Info

Publication number: CN219075243U
Application number: CN202223421242.7U
Authority: CN
Inventors: 杨玉丰
Original assignee: Jiangsu Junma Pneumatic Technology Co ltd
Current assignee: Jiangsu Junma Pneumatic Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-26
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a pneumatic angle grinder, which comprises an angle grinder body, wherein a handle is fixedly connected to the side wall of the angle grinder body, a lantern ring is fixedly sleeved on the outer side wall of the angle grinder body, a connecting shield is fixedly connected to the bottom of the lantern ring, a connecting protection plate is arranged below the connecting shield, and two connecting cuttings are fixedly connected to the bottom of the connecting shield. According to the utility model, the adjusting rotating block is rotated to drive the adjusting worm to rotate, meanwhile, the adjusting worm is meshed with the fixed worm wheel to drive the fixed worm wheel and the fixed rotating shaft to rotate, and the fixed support plate and the fixed shield on the fixed rotating shaft are adjusted to proper angles according to the needs, so that the fixed shield further controls the metal scraps to splash, reduces the scraps from injuring staff, controls the splashing direction of the polished scraps, and improves the use effect.

Description

Pneumatic angle grinder

Technical Field

The utility model relates to the technical field of angle grinders, in particular to a pneumatic angle grinder.

Background

The pneumatic angle grinder is called a pneumatic angle grinder, a commonly used pneumatic handheld cutting grinding tool drives a rotor to rotate at a high speed by high-pressure gas, the rotor drives a grinding disc to rotate at a high speed by a gear, and therefore a workpiece is ground, cut, derusted, polished and the like by the aid of the grinding disc rotating at the high speed, however, when the rotor on the existing pneumatic angle grinder is assembled with the grinding disc, the grinding disc of a part of the angle grinder is completely exposed, workers are easily injured by waste in the working process, a protective cover is arranged on the periphery of the grinding disc of the other part of the angle grinder and is used for preventing waste in the grinding process from splashing, but the simple protective cover cannot be adjusted and protected according to the splashing direction of the grinding waste, so that the use effect is reduced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a pneumatic angle grinder.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the pneumatic angle grinder comprises an angle grinder body, wherein a handle is fixedly connected to the side wall of the angle grinder body, a lantern ring is fixedly sleeved on the outer side wall of the angle grinder body, a connecting shield is fixedly connected to the bottom of the lantern ring, a connecting protection plate is arranged below the connecting shield, two connecting cutting bars are fixedly connected to the bottom of the connecting shield, the tail ends of the two connecting cutting bars penetrate through the connecting protection plate and extend to the outside of the connecting protection plate, and two limiting assemblies are connected to the bottom of the connecting protection plate;

the fixed concave block of connection guard shield top fixedly connected with, fixed concave block inner wall rotates and is connected with fixed pivot, fixed pivot one end runs through fixed concave block and fixedly connected with fixed worm wheel, fixed extension board has been cup jointed to fixed pivot lateral wall is fixed, fixed extension board bottom fixedly connected with is fixed the guard shield, connection guard shield top is connected with drive assembly.

As a further description of the above technical solution:

the limiting component comprises a connecting block fixedly connected with the bottom of the connecting protection plate, a positioning cutting is arranged on the front face of the connecting block in a penetrating mode, a positioning pull block is fixedly connected with one end of the positioning cutting, and the other end of the positioning cutting penetrates through the corresponding connecting cutting and extends to the outside of the connecting cutting.

As a further description of the above technical solution:

the positioning spring is movably sleeved on the outer side wall of the positioning cutting, and two ends of the positioning spring are fixedly connected with the side wall of the connecting block and the side wall of the positioning pull block respectively.

As a further description of the above technical solution:

the driving assembly comprises two adjusting blocks fixedly connected with the top of the connecting shield, an adjusting worm is rotatably connected between the two adjusting blocks, and one end of the adjusting worm penetrates through one of the adjusting blocks and is fixedly connected with an adjusting rotating block.

As a further description of the above technical solution:

the side wall of the adjusting rotating block is provided with a plurality of adjusting bayonets, the adjusting worm is meshed with the fixed worm wheel, and the top of the connecting shield is connected with a positioning assembly.

As a further description of the above technical solution:

the positioning assembly comprises a moving groove formed in the top of the connecting shield, a moving sliding block is slidably connected in the moving groove, a moving L-shaped plate is fixedly connected to the top of the moving sliding block, and a moving spring is fixedly connected to the inner wall of the moving groove.

As a further description of the above technical solution:

the movable spring is characterized in that the tail end of the movable spring is fixedly connected with the movable sliding block, the side wall of the movable L-shaped plate is fixedly connected with a movable cutting, and the tail end of the movable cutting is movably inserted into one of the adjusting bayonets.

The utility model has the following beneficial effects:

through mutually supporting between spacing subassembly, drive assembly and the locating component, utilize spacing subassembly can make the connection guard plate, connect the cutting, the connecting block, the location cutting, location pull piece and location spring cooperation, through loosening the location pull piece, make the location spring give a restoring force to the location cutting, make the location cutting pass rather than corresponding connection cutting, thereby assemble and spacing to the connection guard plate, conveniently connect the guard plate and play the metal sweeps of protection abrasive disc cutting four splash, utilize the locating component can make the shifting chute, remove the slider, remove L shaped plate, remove the spring, remove cutting and regulation bayonet socket cooperation, so as to remove L shaped plate through the pulling, make removal cutting on the L shaped plate drive and remove slider and remove the inside slip of spring at the shifting chute, one of them regulation bayonet socket grafting or separation on the regulation commentaries on the piece simultaneously, conveniently carry out spacingly to the regulation commentaries on classics piece, utilize the drive assembly can make connection, the regulating worm, regulating the piece and fixed cooperation, so that the regulating worm drives the regulating worm and rotate through rotatory, simultaneously regulating worm and fixed worm wheel and worm wheel are fixed, and fixed the fixed pivot is rotated, and the fixed angle of rotation shaft need be controlled according to what need is adjusted to the fixed, the fixed guard plate is cut, the side of the metal sweeps is further used to the fixed, the side of the grinding is improved and the dust is convenient to be cut.

Drawings

FIG. 1 is a schematic view of the overall structure of a pneumatic angle grinder according to the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1.

Legend description:

1. an angle grinder body; 2. a handle; 3. a collar; 4. a connection shield; 5. connecting a protection plate; 6. connecting the cutting; 7. a connecting block; 8. positioning the cutting; 9. positioning a pull block; 10. a positioning spring; 11. fixing the concave block; 12. fixing the support plate; 13. a fixed shield; 14. fixing a worm wheel; 15. an adjusting block; 16. adjusting a worm; 17. adjusting the rotating block; 18. moving the slide block; 19. moving the L-shaped plate; 20. a moving spring; 21. the slips are moved.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the pneumatic angle grinder provided by the utility model comprises an angle grinder body 1, a handle 2 is fixedly connected to the side wall of the angle grinder body 1, a lantern ring 3 is fixedly sleeved on the outer side wall of the angle grinder body 1, a connecting shield 4 is fixedly connected to the bottom of the lantern ring 3, a connecting protection plate 5 is arranged below the connecting shield 4, two connecting cuttings 6 are fixedly connected to the bottom of the connecting shield 4, the tail ends of the two connecting cuttings 6 penetrate through the connecting protection plate 5 and extend to the outside of the connecting protection plate 5, two limiting components are connected to the bottom of the connecting protection plate 5, the limiting components play a role of limiting the connecting protection plate 5, referring to fig. 2, the limiting components comprise a connecting block 7 fixedly connected with the bottom of the connecting protection plate 5, a positioning cutting 8 penetrates through the front surface of the connecting block 7, one end of the positioning cutting 8 is fixedly connected with a positioning pull block 9, the other end of the positioning cutting 8 penetrates through the corresponding connecting cutting 6 and extends to the outside of the connecting cutting 6, the outer side wall of the positioning cutting 8 is movably sleeved with a positioning spring 10, and the two ends of the positioning spring 10 are respectively fixedly connected with the side wall of the connecting block 7 and the side wall of the positioning pull block 9, and the limiting component passes through the connecting cutting 8 to penetrate through the connecting cutting 6, so that the connecting protection plate 5 is limited.

The fixed concave block 11 of connection guard shield 4 top fixedly connected with, fixed concave block 11 inner wall rotation is connected with fixed pivot, fixed pivot one end runs through fixed concave block 11 and fixedly connected with fixed worm wheel 14, fixed pivot lateral wall fixedly cup joints fixed extension board 12, fixed extension board 12 bottom fixedly connected with fixed guard shield 13, connection guard shield 4 top is connected with drive assembly, refer to fig. 3, drive assembly includes two regulating blocks 15 with connection guard shield 4 top fixedly connected, rotate between two regulating blocks 15 and be connected with adjusting worm 16, adjusting worm 16 one end runs through one of them regulating block 15 and fixedly connected with adjusting rotating block 17, a plurality of regulation bayonet sockets have been seted up to adjusting rotating block 17 lateral wall, adjusting worm 16 and fixed worm wheel 14 meshing are connected, play the effect of adjusting fixed worm wheel 14 and rotate through drive assembly.

The top of the connection shield 4 is connected with a positioning component, referring to fig. 3, the positioning component comprises a moving groove formed in the top of the connection shield 4, a moving slide block 18 is slidably connected in the moving groove, a moving L-shaped plate 19 is fixedly connected to the top of the moving slide block 18, a moving spring 20 is fixedly connected to the inner wall of the moving groove, the tail end of the moving spring 20 is fixedly connected with the moving slide block 18, a moving cutting 21 is fixedly connected to the side wall of the moving L-shaped plate 19, the tail end of the moving cutting 21 is movably inserted into one of the adjusting bayonets, and the function of positioning the adjusting rotating block 17 is achieved through the positioning component.

Working principle: when the connecting plate is used, the positioning pull block 9 is pulled firstly, the positioning pull block 9 drives the positioning cutting 8 and the positioning spring 10 to move towards the direction far away from the connecting block 7, then the connecting protection plate 5 is lifted, the connecting protection plate 5 is aligned with the connecting protection plate 4, two connecting cutting 6 on the connecting protection plate 4 penetrate through the connecting protection plate 5, then the positioning pull block 9 is loosened, the positioning spring 10 gives the positioning cutting 8 a restoring force, the positioning cutting 8 penetrates through the connecting cutting 6 corresponding to the positioning cutting 8, the connecting protection plate 5 is assembled and limited, and meanwhile, the connecting protection plate 5 plays a role in preventing metal scraps of abrasive disc cutting from splashing, so that the protection effect is ensured.

Then pulling removes L shaped plate 19 for remove L shaped plate 19 and drive and remove slider 18 and remove spring 20 and slide at the inside at the removal groove, remove the removal cutting 21 on the L shaped plate 19 simultaneously and also remove, make and remove cutting 21 and adjust one of them regulation bayonet socket separation on the commentaries on classics piece 17, then rotatory regulation commentaries on classics piece 17, make and adjust the commentaries on classics piece 17 and drive the regulation worm 16 and rotate, simultaneously adjust worm 16 and fixed worm wheel 14 meshing, make and drive fixed worm wheel 14 and rotate, and fixed pivot on the fixed worm wheel 14 also rotates, fixed extension board 12 and fixed guard shield 13 on the fixed pivot simultaneously adjust suitable angle as required, make the metal sweeps of the further control cutting of fixed guard shield 13 splash, guarantee further protective effect.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Pneumatic angle mill, including angle mill body (1), its characterized in that: the angle grinder comprises an angle grinder body (1), wherein a handle (2) is fixedly connected to the side wall of the angle grinder body (1), a lantern ring (3) is fixedly sleeved on the outer side wall of the angle grinder body, a connecting shield (4) is fixedly connected to the bottom of the lantern ring (3), a connecting protection plate (5) is arranged below the connecting shield (4), two connecting cutting bars (6) are fixedly connected to the bottom of the connecting shield (4), the tail ends of the two connecting cutting bars (6) penetrate through the connecting protection plate (5) and extend to the outside of the connecting protection plate (5), and two limiting components are connected to the bottom of the connecting protection plate (5);

fixed concave block (11) of connection guard shield (4) top fixedly connected with, fixed concave block (11) inner wall rotation is connected with fixed pivot, fixed pivot one end runs through fixed concave block (11) and fixedly connected with fixed worm wheel (14), fixed extension board (12) have been cup jointed to fixed pivot lateral wall is fixed, fixed guard shield (13) of fixed extension board (12) bottom fixedly connected with, connection guard shield (4) top is connected with drive assembly.

2. A pneumatic angle grinder as claimed in claim 1, wherein: the limiting component comprises a connecting block (7) fixedly connected with the bottom of the connecting protection plate (5), a positioning cutting (8) is arranged on the front surface of the connecting block (7), a positioning pull block (9) is fixedly connected with one end of the positioning cutting (8), and the other end of the positioning cutting (8) penetrates through the corresponding connecting cutting (6) and extends to the outside of the connecting cutting (6).

3. The pneumatic angle grinder of claim 2, wherein: the positioning cutting (8) is movably sleeved with a positioning spring (10), and two ends of the positioning spring (10) are fixedly connected with the side wall of the connecting block (7) and the side wall of the positioning pull block (9) respectively.

4. A pneumatic angle grinder as claimed in claim 1, wherein: the driving assembly comprises two adjusting blocks (15) fixedly connected with the top of the connecting shield (4), an adjusting worm (16) is rotatably connected between the two adjusting blocks (15), and one end of the adjusting worm (16) penetrates through one of the adjusting blocks (15) and is fixedly connected with an adjusting rotating block (17).

5. The pneumatic angle grinder of claim 4, wherein: the side wall of the adjusting rotating block (17) is provided with a plurality of adjusting bayonets, the adjusting worm (16) is meshed with the fixed worm wheel (14), and the top of the connecting shield (4) is connected with a positioning assembly.

6. A pneumatic angle grinder as set forth in claim 5, wherein: the positioning assembly comprises a moving groove formed in the top of the connecting shield (4), a moving sliding block (18) is slidably connected in the moving groove, a moving L-shaped plate (19) is fixedly connected to the top of the moving sliding block (18), and a moving spring (20) is fixedly connected to the inner wall of the moving groove.

7. The pneumatic angle grinder of claim 6, wherein: the tail end of the movable spring (20) is fixedly connected with the movable sliding block (18), the side wall of the movable L-shaped plate (19) is fixedly connected with a movable cutting (21), and the tail end of the movable cutting (21) is movably inserted into one of the adjusting bayonets.