CN215659551U

CN215659551U - Protective cover clamping and rapid steering mechanism of electric tool

Info

Publication number: CN215659551U
Application number: CN202122433565.7U
Authority: CN
Inventors: 张一�
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-01-28
Anticipated expiration: 2031-10-09

Abstract

The utility model relates to the technical field of protective cover steering, and discloses a protective cover clamping quick steering mechanism of an electric tool, which comprises an electric machine head, wherein a protective cover is arranged on the axial surface of the electric machine head, the electric machine head comprises an upper chuck, a lower chuck, a clamping nut, a U-shaped hole and a positioning hole, and the protective cover comprises a water inlet hole, a valve, a water receiving pipe, a lantern ring, a bolt and a positioning pin. This quick steering mechanism of electric tool's protection casing centre gripping, install the locating pin on the lantern ring, set up the locating hole on the lower chuck of motor head, the locating pin includes the sleeve, the inserted bar, the stopper, pressure spring and pull ring, when the protection direction is adjusted to the protection casing of needs rotation, only need stimulate the pull ring and make the inserted bar take out from the locating hole, then just can easily rotate the protection casing, after the direction of having adjusted the protection casing, the inserted bar reenters into another locating hole under the effect of pressure spring, make the protection casing fix on the motor head, make the user conveniently to the regulation that the protection casing turned to.

Description

Protective cover clamping and rapid steering mechanism of electric tool

Technical Field

The utility model relates to the technical field of protective cover steering, in particular to a protective cover clamping rapid steering mechanism of an electric tool.

Background

Among a plurality of electric tools, the electric angle grinder has quite wide application, and can be used for cutting profiles and pipes of stainless steel, alloy steel and common carbon steel or grinding burrs, welding seams of workpieces, and can also be replaced by building materials such as special grinding wheel cutting bricks, stones, asbestos corrugated plates and the like. In order to prevent abraded debris from flying randomly, the angle grinder is generally provided with a protective cover which is generally in a semicircular shape, and the debris is blocked and then flies out from the other semicircular direction, so that the safety of an operator is ensured. However, in the prior art, the protective cover on the angle grinder is fixedly mounted on the motor head, and if the direction of the protective cover needs to be adjusted, the screw on the protective cover needs to be unscrewed by a screwdriver, so that the purpose of adjusting the direction by rotating the protective cover is achieved. This makes the operation of the angle grinder time-consuming and labor-consuming for users, and the angle grinder generates a large amount of dust when cutting masonry, making the use of the angle grinder very uncomfortable for users, and thus needs to be improved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a protective cover clamping and rapid steering mechanism of an electric tool, which is provided with an installation positioning pin, a positioning hole is formed in a motor head, the steering of the protective cover is convenient, and meanwhile, a valve and a water receiving pipe are installed on the protective cover, so that water can be sprayed on an angle grinder when the angle grinder cuts bricks, the dust is effectively reduced, and the technical problem is solved.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a protective cover clamping rapid steering mechanism of an electric tool comprises an electric machine head, wherein a protective cover is arranged on the axial surface of the electric machine head;

the motor head comprises an upper chuck, a lower chuck, a clamping nut, a U-shaped hole and a positioning hole, the upper chuck is installed at the top of the motor head, the lower chuck is welded at the bottom surface of the upper chuck, the clamping nut is installed at the center of the top surface of the upper chuck, the U-shaped hole is formed in the top surface of the upper chuck, and the positioning hole is formed in the shaft surface of the lower chuck;

the protective cover comprises a water inlet hole, a valve, a water receiving pipe, a sleeve ring, a bolt and a positioning pin, wherein the water inlet hole is formed in the top surface of the protective cover, the valve is fixedly installed on the bottom surface of the protective cover, the water receiving pipe is installed on the bottom surface of the valve, the sleeve ring is welded in the center of the protective cover, the bolt is connected to two ends of the sleeve ring, and the positioning pin is installed on the axial surface of the sleeve ring;

the locating pin includes sleeve, inserted bar, stopper, pressure spring and pull ring, locating pin externally mounted sleeve, sleeve internally mounted inserted bar, the stopper welds on the inserted bar axial plane, stopper bottom installation pressure spring, inserted bar bottom surface welding pull ring.

Preferably, the height of the lower chuck is equal to the height of the collar.

Through above-mentioned technical scheme, the lantern ring is installed at protection casing bottom surface center, because it sets up U-shaped hole and makes the locating pin can pass through last chuck smoothly to go up the chuck top surface, then twists the bolt and makes the lantern ring can laminate the axial plane of chuck down.

Preferably, the water inlet hole penetrates through the top surface and the bottom surface of the protective cover, and the water inlet hole is fixedly connected with the valve.

Through above-mentioned technical scheme, before using the angle mill, can cup joint the hose on the water receiving pipe, the water delivery equipment is connected to the hose other end, and the angle mill begins the during operation, can open the valve, and rivers will spray on the saw bit of angle mill through the inlet opening for the user can not produce a large amount of dusts when cutting the brick stone, thereby is favorable to user's healthy.

Preferably, the positioning pin is inserted into the positioning hole. The positioning holes are provided with a plurality of positioning holes, and the compression spring is sleeved on the shaft surface of the insertion rod.

Through the technical scheme, the bolt is screwed to enable the lantern ring to be sleeved on the shaft surface of the lower chuck, the bolt is not required to be screwed too tightly, the positioning pin is inserted into the positioning hole, and the protective cover can be fixed on the motor head; when the protection direction is adjusted by rotating the protection cover, the inserted bar is pulled out from the positioning hole only by pulling the pull ring, then the protection cover can be easily rotated, after the direction of the protection cover is adjusted, the inserted bar enters into the other positioning hole again under the action of the pressure spring, the whole structure is simple, and the user can conveniently adjust the steering direction of the protection cover.

Preferably, the shaft surface of the water receiving pipe is provided with three clamping grooves.

Through above-mentioned technical scheme, set up a plurality of draw-in grooves on the water receiving pipe axial plane, can effectively fix the hose of connecting for the difficult follow water receiving of hose drops.

Compared with the prior art, the utility model provides a protective cover clamping rapid steering mechanism of an electric tool, which has the following beneficial effects:

1. this quick steering mechanism of electric tool's protection casing centre gripping, through installing the locating pin on the lantern ring, set up the locating hole on the lower chuck of motor head, the locating pin includes the sleeve, the inserted bar, the stopper, pressure spring and pull ring, when the protection direction is adjusted to the protection casing of needs rotation, only need stimulate the pull ring and make the inserted bar take out from the locating hole, then just can easily rotate the protection casing, adjust the orientation back of protection casing, the inserted bar reenters into another locating hole under the effect of pressure spring, make the protection casing fix at motor overhead, overall structure is simple, make the user conveniently to the regulation that the protection casing turned to.

2. This quick steering mechanism of electric tool's protection casing centre gripping, through seting up the inlet opening at the protection casing top surface, inlet opening connection valve, the water receiving pipe is connected to the valve bottom surface, can cup joint the hose on the water receiving pipe before using the angle mill, hose connection water delivery equipment, the angle mill is the during operation, can open the valve, rivers will spray on the saw bit of angle mill through the inlet opening for the user can not produce a large amount of dusts when cutting the brick, thereby be favorable to that the user's is healthy.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a side view of a shield according to the present invention;

FIG. 3 is a top view of a protective cover according to the present invention;

FIG. 4 is a top view of a motor head in accordance with the present invention;

FIG. 5 is a schematic cross-sectional view of a structural locating pin of the present invention.

Wherein: 1. a motor head; 2. a protective cover; 11. an upper chuck; 12. a lower chuck; 13. clamping the nut; 14. a U-shaped hole; 15. positioning holes; 21. a water inlet hole; 22. a valve; 23. a water receiving pipe; 24. a collar; 25. a bolt; 26. positioning pins; 261. a sleeve; 262. inserting a rod; 263. a limiting block; 264. a pressure spring; 265. and (4) a pull ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a protective cover clamping fast steering mechanism of an electric tool comprises a motor head 1, wherein a protective cover 2 is arranged on the axial surface of the motor head 1;

the motor head 1 comprises an upper chuck 11, a lower chuck 12, a clamping nut 13, a U-shaped hole 14 and a positioning hole 15, wherein the upper chuck 11 is arranged at the top of the motor head 1, the lower chuck 12 is welded to the bottom surface of the upper chuck 11, the clamping nut 13 is arranged at the center of the top surface of the upper chuck 11, the U-shaped hole 14 is formed in the top surface of the upper chuck 11, and the positioning hole 15 is formed in the axial surface of the lower chuck 12;

the protective cover 2 comprises a water inlet 21, a valve 22, a water receiving pipe 23, a lantern ring 24, a bolt 25 and a positioning pin 26, the water inlet 21 is formed in the top surface of the protective cover 2, the valve 22 is fixedly installed on the bottom surface of the protective cover 2, the water receiving pipe 23 is installed on the bottom surface of the valve 22, the lantern ring 24 is welded in the center of the protective cover 2, the bolt 25 is connected to two ends of the lantern ring 24, and the positioning pin 26 is installed on the axial surface of the lantern ring 24;

the positioning pin 26 comprises a sleeve 261, an inserting rod 262, a limiting block 263, a pressure spring 264 and a pull ring 265, the sleeve 261 is installed outside the positioning pin 26, the inserting rod 262 is installed inside the sleeve 261, the limiting block 263 is welded on the axial surface of the inserting rod 262, the pressure spring 264 is installed at the bottom of the limiting block 263, and the pull ring 265 is welded on the bottom surface of the inserting rod 262.

Specifically, the lower chuck 12 has a height equal to the height of the collar 24. The advantage is, protective cover 2 bottom surface center installation lantern ring 24, because the U-shaped hole 14 is seted up to the top surface of upper chuck 11 makes locating pin 26 can pass through upper chuck 11 smoothly, then screws bolt 25 and makes lantern ring 24 can laminate the axial plane of lower chuck 12.

Specifically, the water inlet 21 penetrates through the top surface and the bottom surface of the protective cover 2, and the water inlet 21 is fixedly connected with the valve 22. The advantage is, before using the angle mill, can cup joint the hose on water receiving pipe 23, and the water delivery equipment is connected to the hose other end, and the angle mill begins the during operation, can open valve 22, and rivers will spray on the saw bit of angle mill through inlet opening 21 for the user can not produce a large amount of dusts when cutting the masonry, thereby is favorable to user's healthy.

Specifically, the positioning pin 26 is inserted into the positioning hole 15. The positioning holes 15 are opened in plurality, and the compression spring 264 is sleeved on the axial surface of the inserted rod 262. The advantages that the bolt 25 is screwed to enable the lantern ring 24 to be sleeved on the shaft surface of the lower chuck 12, the bolt 25 is not required to be screwed too tightly, the positioning pin 26 is inserted into the positioning hole 15, and the protective cover 2 can be fixed on the motor head 1; when the protection cover needs to be rotated to adjust the protection direction, only the pull ring 265 needs to be pulled to pull the inserted rod 262 out of the positioning hole 15, then the protection cover 2 can be easily rotated, after the direction of the protection cover 2 is adjusted, the inserted rod 262 enters the other positioning hole 15 again under the action of the pressure spring 264, the whole structure is simple, and the user can conveniently adjust the steering direction of the protection cover 2.

Specifically, the axial surface of the water receiving pipe 23 is provided with three clamping grooves. The advantage is, sets up a plurality of draw-in grooves on the water receiving pipe 23 axial plane, can effectively fix the hose of connecting for the difficult follow water receiving pipe 23 of hose drops.

When in use, the lantern ring 24 is firstly aligned to the top surface of the motor head 1, then the lantern ring 24 passes through the upper chuck 11 to reach the lower chuck 12, the bolt 25 is screwed to enable the lantern ring 24 to be sleeved on the axial surface of the lower chuck 12, the bolt 25 is not required to be screwed too tightly, and the positioning pin 26 is inserted into the positioning hole 15, so that the protective cover 2 can be fixed on the motor head 1; when the protection direction needs to be adjusted by rotating the protection cover, only the pull ring 265 needs to be pulled to draw the inserted rod 262 out of the positioning hole 15, then the protection cover 2 can be easily rotated, after the direction of the protection cover 2 is adjusted, the inserted rod 262 reenters into the other positioning hole 15 under the action of the pressure spring 264, then the saw blade is installed in the middle of the two clamping nuts 13, a hose can be selectively sleeved on the water receiving pipe 23 between the angle grinders, the other end of the hose is connected with the water delivery equipment, when the angle grinders start to work, the valve 22 can be opened, water flow can be sprayed on the saw blade of the angle grinders through the water inlet hole 21, so that a large amount of dust can not be generated when the users cut the masonry, and the body health of the users is facilitated.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick steering mechanism of electric tool's protection casing centre gripping, includes motor head (1), its characterized in that: a protective cover (2) is arranged on the axial surface of the motor head (1);

the electric motor head (1) comprises an upper chuck (11), a lower chuck (12), a clamping nut (13), a U-shaped hole (14) and a positioning hole (15), wherein the upper chuck (11) is installed at the top of the electric motor head (1), the lower chuck (12) is welded to the bottom surface of the upper chuck (11), the clamping nut (13) is installed at the center of the top surface of the upper chuck (11), the U-shaped hole (14) is formed in the top surface of the upper chuck (11), and the positioning hole (15) is formed in the axial surface of the lower chuck (12);

the protective cover (2) comprises a water inlet hole (21), a valve (22), a water receiving pipe (23), a sleeve ring (24), a bolt (25) and a positioning pin (26), the water inlet hole (21) is formed in the top surface of the protective cover (2), the valve (22) is fixedly installed on the bottom surface of the protective cover (2), the water receiving pipe (23) is installed on the bottom surface of the valve (22), the sleeve ring (24) is welded in the center of the protective cover (2), the bolt (25) is connected to two ends of the sleeve ring (24), and the positioning pin (26) is installed on the axial surface of the sleeve ring (24);

the locating pin (26) comprises a sleeve (261), an inserted bar (262), a limiting block (263), a pressure spring (264) and a pull ring (265), the sleeve (261) is installed on the outer portion of the locating pin (26), the inserted bar (262) is installed inside the sleeve (261), the limiting block (263) is welded on the axial surface of the inserted bar (262), the pressure spring (264) is installed at the bottom of the limiting block (263), and the pull ring (265) is welded on the bottom surface of the inserted bar (262).

2. The shield-retaining quick steering mechanism for a power tool of claim 1, further comprising: the height of the lower chuck (12) is equal to the height of the collar (24).

3. The shield-retaining quick steering mechanism for a power tool of claim 1, further comprising: the water inlet hole (21) penetrates through the top surface and the bottom surface of the protective cover (2), and the water inlet hole (21) is fixedly connected with the valve (22).

4. The shield-retaining quick steering mechanism for a power tool of claim 1, further comprising: the positioning pin (26) is inserted into the positioning hole (15), the positioning holes (15) are provided with a plurality of positioning holes, and the pressure spring (264) is sleeved on the axial surface of the inserted rod (262).

5. The shield-retaining quick steering mechanism for a power tool of claim 1, further comprising: the axial surface of the water receiving pipe (23) is provided with three clamping grooves.