CN209850527U

CN209850527U - Handheld wall polisher

Info

Publication number: CN209850527U
Application number: CN201920198875.5U
Authority: CN
Inventors: 杨凤英; 周忠; 周骞
Original assignee: Weimei Construction Technology (shanghai) Co Ltd
Current assignee: Weimei Construction Technology (shanghai) Co Ltd
Priority date: 2019-02-15
Filing date: 2019-02-15
Publication date: 2019-12-27
Anticipated expiration: 2029-02-15

Abstract

The utility model relates to the technical field of decoration equipment, and discloses a handheld wall surface polisher, which comprises a polishing component, a dust cover and a dust suction device, wherein the polishing component comprises a polishing motor and a polishing cylinder, one end of the polishing cylinder is fixedly connected to the polishing motor and sleeved on an output shaft of the polishing motor, one end of the output shaft is fixedly provided with the polishing piece, the dust cover comprises an elastic cover film coaxially and fixedly arranged on the polishing cylinder and an elastic ring arranged at the periphery of the elastic cover film, the polishing cylinder is provided with a driving mechanism for driving the elastic ring to expand or contract in a sliding manner, the polishing component drives the polishing piece to rotate through the polishing motor to treat a wall surface, the dust cover is tightly attached to the wall surface to isolate dust, the dust suction device sucks out the dust, the driving mechanism slides along the polishing cylinder to enable the elastic ring to move the elastic cover film to expand or contract, the volume of the dust cover is adjusted, the efficiency and the processing quality of the polishing work are improved.

Description

Handheld wall polisher

Technical Field

The utility model relates to a fitment equipment technical field, more specifically say, it relates to a handheld wall polisher.

Background

In the current decoration work, the polishing treatment of the wall surface is common painting pretreatment, and the polishing procedure has key influence on whether the subsequent work can be smoothly carried out and the overall painting quality of the wall surface.

Most of the existing wall surface pretreatment is carried out by manually holding a grinding machine, so that the wall body is quickly ground. And current polisher all is equipped with dust cover and corresponding dust extraction generally, and the dust of a large amount of dust that will polish and produce is kept apart the back through the dust cover and is collected by dust extraction suction, guarantees good operational environment, and is useful to operating workman's health.

However, the wall surface is polished in the areas which are difficult to polish, such as corners or junctions of the wall surface, and the dustproof cover is large in size and cannot be adjusted, so that the processing efficiency and quality of workers on the areas are affected, and the problems are solved.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims at providing a handheld wall polisher, it has the efficient advantage of convenient to use.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a handheld wall surface polisher comprises a polishing assembly, a dust cover and a dust suction device communicated with the dust cover, wherein the polishing assembly comprises a polishing motor and a polishing cylinder, one end of the polishing cylinder is fixedly connected to the polishing motor and sleeved on an output shaft of the polishing motor, and one end, away from the polishing motor, of the output shaft is coaxially and fixedly connected with a polishing piece;

the dust cover comprises an elastic cover film coaxially and fixedly arranged on the polishing cylinder and an elastic ring arranged on the periphery of the elastic cover film, and a driving mechanism for driving the elastic ring to deform is arranged on the polishing cylinder in a sliding mode.

According to the technical scheme, the grinding component drives the grinding piece to rotate through the grinding motor to process the wall surface, the dust cover is tightly attached to the wall surface to isolate dust, and the dust is sucked out by the dust suction device; through along the actuating mechanism that slides of drum of polishing, make the elasticity encircle the expansion of dynamic elasticity cover membrane or shrink, adjust the volume of dust cover, and then make things convenient for the staff to polish the wall of corner or wall juncture, improve the efficiency and the treatment quality of the work of polishing.

The utility model discloses further set up to: the driving mechanism comprises a driving cylinder and a plurality of driving components, and the driving cylinder is arranged on the grinding cylinder in a sliding manner;

one side of the driving component is hinged with the elastic ring, and the other side of the driving component moves along with the driving cylinder.

Through above-mentioned technical scheme, slide the driving cylinder along the drum of polishing and be close to the piece of polishing, make it drive assembly with elasticity mantle struts, or reverse the driving cylinder that slides, elasticity mantle is contract under the effect of self elasticity, convenient to use, easily operation.

The utility model discloses further set up to: the driving mechanism comprises a plurality of limiting snap rings and driving snap rings which are coaxially and fixedly connected to the driving cylinder, and the driving snap rings are sleeved on the driving cylinder and arranged between the limiting snap rings;

the driving assembly comprises a plurality of driving rods, one end of each driving rod is hinged to the driving clamping ring, and one end, far away from the driving clamping ring, of each driving rod is hinged to the elastic ring;

the driving cylinder is coaxially in threaded connection with the polishing cylinder.

Through the technical scheme, the position of the driving clamping ring is limited by the limiting clamping rings, the driving cylinder is rotated, the driving cylinder drives the driving rod to rotate, and the size of the elastic covering film is adjusted.

The utility model discloses further set up to: and the driving cylinder is provided with anti-skid convex lines.

Through the technical scheme, the anti-skid convex lines facilitate the worker to adjust the position of the driving cylinder.

The utility model discloses further set up to: a clamping ring is coaxially fixed on the elastic cover film, and the inner side periphery of the clamping ring is fixedly connected on the grinding cylinder.

Through above-mentioned technical scheme, the elasticity cover membrane passes through the clamp ring to be fixed on polishing the drum.

The utility model discloses further set up to: the elastic cover film is provided with a dust suction hole, the periphery of the dust suction hole is fixedly provided with a dust suction snap ring, and the dust suction device is communicated with the dust suction snap ring.

Through above-mentioned technical scheme, dust extraction passes through dust absorption snap ring and the inside intercommunication of dust cover, and the dust absorption snap ring guarantees that dust extraction does not receive the expansion of elasticity mantle or the influence of shrink.

The utility model discloses further set up to: one side of the elastic ring, which is far away from the grinding motor, is provided with a guide fillet.

Through above-mentioned technical scheme, when elastic ring and wall support tightly and move along with the staff, the reducible dust cover of polishing of guide fillet is to the damage of wall.

The utility model discloses further set up to: and an elastic washer is arranged on one side of the elastic ring, which is far away from the grinding motor.

Through above-mentioned technical scheme, the pressure of dust cover to the wall is alleviated to the elastic washer, protects wall and dust cover in the processing of polishing.

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

(1) the elastic ring drives the elastic cover film to expand or contract by sliding the driving mechanism along the polishing cylinder, so that the volume of the dust cover is adjusted, workers can conveniently polish the wall at the corner or the junction of the wall, and the polishing efficiency and the processing quality are improved;

(2) make it slide along the drum of polishing through rotatory drive actuating cylinder to make the contained angle production transform of actuating lever and the drum axis of polishing, thereby control elasticity mantle expansion or shrink, and elasticity mantle can rely on the elasticity quick search of self, and convenient to use is swift.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a cross-sectional view of a dust cover portion in an embodiment of the invention.

Reference numerals: 1. polishing the assembly; 11. polishing the motor; 111. an output shaft; 112. polishing the workpiece; 12. polishing the cylinder; 2. a dust cover; 21. an elastic cover film; 211. a dust collection hole; 212. a dust-absorbing snap ring; 22. an elastic ring; 221. a guide fillet; 222. an elastic washer; 23. a clamping ring; 3. a dust collection device; 4. a drive mechanism; 41. a drive cylinder; 411. anti-skid wales; 42. a drive assembly; 421. a drive rod; 43. a limit snap ring; 44. the snap ring is driven.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

A hand-held wall surface sander, as shown in figures 1 and 2, includes a sanding assembly 1 and a dust cover 2 and a dust extraction 3 in communication with the dust cover 2. Grinding assembly 1 includes grinding motor 11 and grinding cylinder 12, and grinding cylinder 12 one end welding is on grinding motor 11, and grinding motor 11's output shaft 111 wears to establish in grinding cylinder 12.

The dust cover 2 comprises an elastic cover film 21 coaxially and fixedly arranged on the polishing cylinder 12 and an elastic ring 22, wherein the inner ring is arranged on the periphery of the elastic cover film 21 in a sticking mode, a clamping ring 23 is coaxially and adhesively connected onto the elastic cover film 21, the periphery of the inner side of the clamping ring 23 is adhesively connected onto the polishing cylinder 12, and the elastic cover film 21 and the elastic ring 22 can be made of rubber or silica gel and have good toughness and elasticity.

As shown in fig. 3, a disk-shaped grinding member 112 is fixedly connected coaxially to an end of the output shaft 111 remote from the grinding motor 11, and the grinding member 112 is disposed in the dust cover 2. The grinding cylinder 12 is slidably provided with a driving mechanism 4 for driving the elastic ring 22 to expand or contract, and the grinding member 112 is arranged in the dust cover 2. The driving mechanism 4 comprises a driving cylinder 41, a driving assembly 42, two limiting snap rings 43 and two driving snap rings 44, wherein the two limiting snap rings 43 and the two driving snap rings 44 are coaxially welded on the driving cylinder 41, the driving cylinder 41 is coaxially connected to the polishing cylinder 12 in a threaded manner, the driving assembly 42 comprises eight driving rods 421, the driving rods 421 are uniformly distributed on the periphery of the driving cylinder 41 and are hinged to the driving snap rings 44 with one end of each driving rod 421, the driving snap rings 44 are sleeved on the driving cylinder 41 and clamped between the two limiting snap rings 43, and one end, away from the driving snap rings 44, of each driving rod 421 is hinged to the.

The elastic ring 22 is tightly attached to the wall, the grinding component 1 drives the grinding part 112 to rotate through the grinding motor 11 to grind the wall, the elastic cover film 21 is used for isolating dust, and the dust suction device 3 (see fig. 1) is used for absorbing the dust.

As shown in fig. 1 and 3, the elastic cover film 21 is provided with a dust suction hole 211, a dust suction snap ring 212 is fixedly arranged on the periphery of the dust suction hole 211, and the dust suction device 3 is communicated with the dust suction snap ring 212 through a conduit to suck dust out. Through rotating drive cylinder 41 along the drum 12 that polishes, make it drive actuating lever 421 and drive elastic ring 22 and make elasticity cover membrane 21 expansion or shrink to adjust the volume of dust cover 2, make things convenient for the staff to polish the wall of corner or wall juncture, improve the efficiency and the treatment quality of the work of polishing.

To facilitate the adjustment of the position of the driving cylinder 41 by the worker, as shown in fig. 3, an anti-slip ridge 411 is provided on the driving cylinder 41 to increase the friction force. In addition, in order to reduce the abrasion on the wall surface and the dust cover 2 during the work, a guide fillet 221 is arranged on one side of the elastic ring 22 away from the grinding motor 11, and an elastic washer 222 is arranged on one side of the elastic ring 22 away from the grinding motor 11, so that the pressure of the dust cover 2 on the wall surface is relieved, and the dust cover 2 is damaged on the wall surface and the dust cover itself.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A handheld wall surface grinding machine comprises a grinding assembly (1), a dust cover (2) and a dust suction device (3) communicated with the dust cover (2), wherein the grinding assembly (1) comprises a grinding motor (11) and a grinding cylinder (12), and is characterized in that one end of the grinding cylinder (12) is fixedly connected to the grinding motor (11) and sleeved on an output shaft (111) of the grinding motor (11), and one end, far away from the grinding motor (11), of the output shaft (111) is coaxially and fixedly connected with a grinding piece (112);

the dust cover (2) comprises an elastic cover film (21) and an elastic ring (22), wherein the elastic cover film (21) is coaxially and fixedly arranged on the polishing cylinder (12), the elastic ring (22) is arranged on the periphery of the elastic cover film (21), and a driving mechanism (4) for driving the elastic ring (22) to deform is arranged on the polishing cylinder (12) in a sliding mode.

2. A hand-held wall sanding machine according to claim 1, characterized in that the driving mechanism (4) comprises a driving cylinder (41) and a driving assembly (42), the driving cylinder (41) being slidingly arranged on the sanding cylinder (12);

one side of the driving component (42) is hinged with the elastic ring (22), and the other side moves along with the driving cylinder (41).

3. A hand-held wall surface grinding machine according to claim 2, wherein the driving mechanism (4) comprises a plurality of limit snap rings (43) and drive snap rings (44) which are coaxially and fixedly connected to the driving cylinder (41), the drive snap rings (44) are sleeved on the driving cylinder (41) and are arranged between the limit snap rings (43);

the driving assembly (42) comprises a plurality of driving rods (421), one ends of the driving rods (421) are hinged to the driving clamping ring (44), and one ends of the driving rods (421) far away from the driving clamping ring (44) are hinged to the elastic ring (22);

the driving cylinder (41) is coaxially and threadedly connected to the grinding cylinder (12).

4. A hand-held wall sander as set forth in claim 3, wherein said drive cylinder (41) is provided with an anti-slip ridge (411).

5. A hand-held wall grinder as claimed in claim 1, characterised in that a clamping ring (23) is coaxially fixed to the elastic cover membrane (21), the clamping ring (23) being fixedly attached at its inner periphery to the grinding cylinder (12).

6. The handheld wall surface grinding machine according to claim 1, wherein the elastic cover film (21) is provided with a dust suction hole (211), a dust suction snap ring (212) is fixedly arranged on the periphery of the dust suction hole (211), and the dust suction device (3) is communicated with the dust suction snap ring (212).

7. A hand-held wall sanding machine according to claim 1, characterized in that the side of the elastic ring (22) remote from the sanding motor (11) is provided with a guide fillet (221).

8. A hand-held wall sanding machine according to claim 1, characterized in that the side of the elastic ring (22) remote from the sanding motor (11) is provided with an elastic washer (222).