CN211439292U - Wall surface smoothing device - Google Patents

Abstract

The utility model relates to a wall surface grinding device, which comprises a handle, a dust-proof cylinder, a motor, a grinding disc and a dust collector, wherein the dust-proof cylinder is a hollow cylinder structure with an opening at one end, and the dust-proof cylinder is provided with a dust exhaust port; the polishing disc is parallel to the end face of the closed end of the dust-proof cylinder, and the polishing disc protrudes out of the dust-proof cylinder in the axis direction; the dust collector is connected with the handle; the handle is provided with a dust transmission cavity and a transmission cavity; the rigid coupling has and is used for supporting and upset on the handle a dust prevention section of thick bamboo with the supporting component of the mill of beating, the supporting component cooperation has and is used for injecing beat the spacing subassembly of the rotation angle of mill, a dust prevention section of thick bamboo cooperation has the dust absorption pipe that is used for the dust absorption, the straw with pass dirt cavity rigid coupling, the dust catcher with pass dirt cavity connection. The utility model provides a polishing disc can overturn and inject rotation angle, can make the workman polish the wall of slope under the condition of normally standing.

Description

Wall surface smoothing device

Technical Field

The utility model belongs to the technical field of the technique of polisher and specifically relates to a wall grinds paper-back edition and puts.

Background

The wall surface smoothing device is a tool for replacing the traditional manual wall surface grinding by taking sand paper, so as to achieve the purposes of smoothing the wall surface, preventing dust and protecting the physical and psychological health of workers; the method plays an important role in optimizing the working environment, improving the working efficiency and improving the decoration quality.

The wall surface polishing comprises dust polishing and dust-free polishing; the dust polishing is to directly polish the wall surface by using a sand plate, a sand paper clamping plate or a wall surface polisher without treating putty dust flowing out after polishing, although the efficiency is improved, the price of the machine is slightly low, but the dust cannot be solved; the wall surface is polished by using a wall surface polisher or other polishing tools, putty ash generated in the polishing process is collected at the same time, the problem of low polishing speed is solved, dust is also generated, and the smooth and fine effects of the wall surface manufactured by the method cannot be achieved by hand.

Therefore, the dust-free sander is more and more popular with the decorators, and gradually becomes the mainstream of the sander market.

At present, the application publication number is CN 106736934A's china invention discloses a wall polisher, it includes casing, polishing dish, dust-proof cylinder, handle and motor, the casing with the dust-proof cylinder links to each other, the polishing dish inlay in the dust-proof cylinder, and fix through the screw, be equipped with the dust exhaust mouth on the dust-proof cylinder, the handle with casing threaded connection, the motor is installed on the casing inner wall, just the flabellum is installed to the pivot one end of motor, and the other end is connected with gear, gear through the pivot with the polishing dish is connected, casing internally mounted has the battery, just the battery pass through the wire with the motor is connected, be provided with the recess on the dust-proof cylinder, just be provided with the LED lamp in the recess.

Said invention is simple in operation, and the worker can implement coaxial rotation of polishing disk and fan blade by turning on battery switch, and can simultaneously polish and suck dust, and the putty powder can be discharged into the dust collector by means of cavity in the handle.

However, the polishing of the wall surface of an attic is inconvenient. The roof surface of an attic is often a slope roof structure, so the biggest difference between the attic wall surface and the common wall surface is as follows: the wall surface of the attic is consistent with the sloping roof surface and is also in a certain inclined shape, and is different from the common vertical wall surface. When using above-mentioned device to polish the wall of slope, in order to make the reliable laminating of dish of polishing on the wall, the workman generally will lean back on the body and operate, and long-time back health is comparatively tired.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a wall grinds paper-back edition and puts, its wall that can make the workman polish the slope under the condition of normally standing.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a wall surface grinding device comprises a handle, a dust-proof cylinder, a motor, a grinding disc and a dust collector, wherein the dust-proof cylinder is of a hollow cylinder structure with one open end, and a dust discharge port is formed in the dust-proof cylinder; the polishing disc is parallel to the end face of the closed end of the dust-proof cylinder, and the polishing disc protrudes out of the dust-proof cylinder in the axis direction; the dust collector is connected with the handle; the handle is provided with a dust transmission cavity and a transmission cavity; the dust transmission cavity and the transmission cavity penetrate through two end faces of the handle along the length direction of the handle; the rigid coupling has and is used for supporting and the upset on the handle a dust prevention section of thick bamboo with the supporting component of the mill of polishing, the supporting component cooperation has and is used for injecing the spacing subassembly of the rotation angle of the mill of polishing, a dust prevention section of thick bamboo cooperation has the dust absorption pipe that is used for the dust absorption, the dust absorption pipe with pass dirt cavity rigid coupling, the dust catcher with it connects to pass dirt cavity, the motor is used for the drive the mill of polishing rotates.

By adopting the technical scheme, the supporting component provides a supporting point for the polishing disc and enables the polishing disc to turn over, and the limiting component is matched with the supporting component to limit the turning angle of the polishing disc; compared with the prior art, the utility model discloses well polishing plate can overturn and inject rotation angle, can make the workman polish the wall of slope under the condition of normally standing.

The present invention may be further configured in a preferred embodiment as: the dust absorption pipe is a corrugated pipe.

Through adopting above-mentioned technical scheme, the bellows is scalable and crooked, takes place deformation along with the upset of dust tube during the use, is difficult for taking place the bending damage.

The present invention may be further configured in a preferred embodiment as: the supporting component comprises a supporting rod, a fixing block, a rotating shaft and an extension pipe; the number of the support rods is two, the two support rods are arranged in a splayed manner, and the small-opening end of a splayed structure formed by the two support rods is fixedly connected to one end of the handle; one end of the supporting rod, which is far away from the handle, is provided with a limiting hole along the direction vertical to the handle, and the cross section of the limiting hole is polygonal; the polishing disc is rotatably supported on the fixed block; the rotating shaft is fixedly connected to the fixed block, the axis direction of the rotating shaft is perpendicular to the axis direction of the handle, and the rotating shaft is rotatably supported between the large opening ends of the splayed structures formed by the two supporting rods; a limiting groove is formed in the end face, corresponding to the limiting hole, of the rotating shaft, and the limiting groove corresponds to the limiting hole; the extension pipe is arranged at one end of the handle, which is far away from the supporting rod, and is fixedly connected to the handle corresponding to the dust conveying cavity; the limiting component is fixedly connected to the supporting rod and matched with the limiting groove.

Through adopting above-mentioned technical scheme, the dish of polishing rotates to be supported on the fixed block, and the fixed block rotates along with the pivot, and the bracing piece provides the strong point for the pivot, and spacing subassembly cooperation is changeing epaxial spacing groove and is injectd the rotation angle of the dish of polishing.

The present invention may be further configured in a preferred embodiment as: the cross section of the limiting hole is dodecagon.

Through adopting above-mentioned technical scheme, the upset angle of mill is more, can make mill and wall have better laminating.

The present invention may be further configured in a preferred embodiment as: the limiting assembly comprises a protection barrel, a limiting plate, a limiting rod and a pressure spring; the protection cylinder is of a hollow cylinder structure, and one end of the protection cylinder is fixedly connected with the side surface of the supporting rod; the limiting plate is arranged in the protective barrel and is parallel to the end face of the protective barrel; the cross section of the limiting rod is polygonal and is matched with the limiting hole, the limiting rod is vertically and fixedly connected with the limiting plate, one end of the limiting rod penetrates through the end face, far away from the supporting rod, of the protection cylinder, and the other end of the limiting rod penetrates through the end face, fixedly connected with the supporting rod, of the protection cylinder and is inserted into the limiting groove; the pressure spring is sleeved on the limiting rod and is positioned in the protection cylinder, one end of the pressure spring is fixedly connected with the inner wall of the protection cylinder, and the other end of the pressure spring is fixedly connected with the limiting plate; when the pressure spring is completely stretched, the limiting plate is attached to the inner wall of the protection cylinder, close to the supporting rod side; when the pressure spring is completely compressed, the limiting rod moves out of the limiting groove.

Through adopting above-mentioned technical scheme, gag lever post and spacing groove cooperation, under the effect of pressure spring, the pulling can be injectd the rotation angle of making the mill with release the gag lever post, and the whole result of use of structure is better.

The present invention may be further configured in a preferred embodiment as: the motor is matched with a transmission flexible shaft, one end of the transmission flexible shaft is connected with the motor, and the other end of the transmission flexible shaft penetrates through the fixed block and the dust-proof cylinder and is fixedly connected with the polishing disc.

By adopting the technical scheme, the transmission flexible shaft can indirectly transmit the power of the motor to the polishing disc, and the motor can be placed below the position of the handle held by a worker, so that the weight of the top of the polishing device is reduced, and the polishing device is not easy to shake integrally.

The present invention may be further configured in a preferred embodiment as: the support assembly further comprises a bearing; a bearing hole is formed in the middle of the fixing block, and the axis direction of the bearing hole is perpendicular to the rotating shaft; the bearing is matched with the bearing hole and fixedly connected in the bearing hole; a motor frame is fixedly connected to the fixed block; the motor is fixedly connected in the motor frame, and the output end of the motor is matched with the bearing and penetrates through the bearing to be vertically and fixedly connected with the center position of the polishing disc.

Through adopting above-mentioned technical scheme, the output of motor is direct with the dish rigid coupling of polishing, has improved transmission efficiency, has reduced power loss.

The present invention may be further configured in a preferred embodiment as: and a handle for holding is fixedly connected to the extension pipe.

Through adopting above-mentioned technical scheme, the workman can hold the handle in one hand, and the handle is held in one hand, makes things convenient for the arm application of force behind one another.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the grinding disc overturning mechanism is characterized in that a supporting component and a limiting component are arranged, the supporting component provides a supporting point for the grinding disc and enables the grinding disc to overturn, and the limiting component and the supporting component are matched to limit the overturning angle of the grinding disc; compared with the prior art, the polishing disc can be overturned and limit the overturning angle, so that a worker can polish an inclined wall surface under the condition of normal standing;

2. through the limiting groove, the protective barrel, the limiting plate, the limiting rod and the pressure spring, workers can turn over the polishing disc and limit the turning angle of the polishing disc only by pulling out and releasing the limiting rod, the structure is simple to operate, and the using effect is good;

3. through the arrangement of the handle, a worker can hold the handle with one hand and hold the handle with the other hand, and the two hands are in tandem to facilitate arm force application.

Drawings

FIG. 1 is a schematic front view of a smoothing apparatus according to an embodiment;

FIG. 2 is a schematic rear view of a smoothing apparatus according to an embodiment;

FIG. 3 is an exploded view of a portion of the structure of one embodiment;

FIG. 4 is a cross-sectional view of the limiting assembly and the shaft in a mating relationship;

FIG. 5 is a schematic view of the back side of the flattening apparatus according to the second embodiment;

fig. 6 is an exploded view of a part of the structure in the second embodiment.

In the figure, 1, a handle; 10. a dust transmission cavity; 11. a transmission cavity; 2. a support assembly; 20. a support bar; 200. a limiting hole; 21. a fixed block; 210. a bearing bore; 22. a rotating shaft; 220. a limiting groove; 23. an extension pipe; 230. a handle; 24. a motor base; 25. a bearing; 26. a motor frame; 3. a limiting component; 30. a protective cylinder; 31. a limiting plate; 32. a limiting rod; 33. a pressure spring; 4. a dust-proof cylinder; 40. a dust exhaust port; 5. a motor; 6. a flexible transmission shaft; 7. grinding disc; 8. a dust collection pipe; 9. a vacuum cleaner.

Detailed Description

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

Example one

Referring to fig. 1 and 2, a wall surface polishing device disclosed by the present invention comprises a handle 1, a support component 2, a limit component 3, a dust-proof cylinder 4, a motor 5, a transmission flexible shaft 6, a polishing disc 7, a dust suction pipe 8 and a dust collector 9; the handle 1 is of a cuboid structure and is in arc transition along four edges in the long axis direction; a dust transmission cavity 10 and a transmission cavity 11 are arranged in the handle 1 side by side, the sections of the dust transmission cavity 10 and the transmission cavity 11 are both circular, and both penetrate through two end faces of the handle 1 along the length direction of the handle 1; the supporting component 2 is arranged on the handle 1, and the supporting component 2 comprises a supporting rod 20, a fixed block 21, a rotating shaft 22 and an extension pipe 23; the number of the support rods 20 is two, the two support rods 20 are arranged in a splayed shape, and a small opening end of a splayed structure formed by the two support rods 20 is fixedly connected to one end of the handle 1.

Referring to fig. 2 and 3, a limiting hole 200 is formed in one end of one support rod 20 far away from the handle 1 along a direction perpendicular to the handle 1, and the cross section of the limiting hole 200 is a dodecagon; the fixed block 21 is a rectangular block; the rotating shaft 22 is fixedly connected to the fixed block 21, the axial direction of the rotating shaft 22 is vertical to the axial direction of the handle 1, and the rotating shaft 22 is rotatably supported between the large opening ends of the splayed structures formed by the two support rods 20; a limit groove 220 is formed on the end surface of the rotating shaft 22 corresponding to the limit hole 200, and the limit groove 220 corresponds to the limit hole 200; the extension pipe 23 is arranged at one end of the handle 1 far away from the support rod 20, and is fixedly connected to the handle 1 corresponding to the dust transmission cavity 10; a handle 230 is secured to the extension pipe 23.

Referring to fig. 3 and 4, the position limiting assembly 3 is disposed on the support rod 20 corresponding to the position limiting hole 200; the limiting component 3 comprises a protective barrel 30, a limiting plate 31, a limiting rod 32 and a pressure spring 33; the protective cylinder 30 is a hollow cylinder structure, and one end of the protective cylinder 30 is fixedly connected with the side surface of the support rod 20; the limiting plate 31 is a rectangular plate, and the limiting plate 31 is arranged in the protective barrel 30 and is parallel to the end face of the protective barrel 30; the cross section of the limiting rod 32 is dodecagon and is matched with the limiting hole 200, the limiting rod 32 is vertically and fixedly connected with the limiting plate 31, one end of the limiting rod 32 penetrates through the end face, far away from the supporting rod 20, of the protection cylinder 30, and the other end of the limiting rod 32 penetrates through the end face, fixedly connected with the supporting rod 20, of the protection cylinder 30 and is inserted into the limiting groove 220; the pressure spring 33 is sleeved on the limiting rod 32 and is positioned in the protection cylinder 30, one end of the pressure spring 33 is fixedly connected with the inner wall of the protection cylinder 30, and the other end of the pressure spring 33 is fixedly connected with the limiting plate 31; when the pressure spring 33 is completely stretched, the limiting plate 31 is attached to the inner wall of the protection cylinder 30 close to the supporting rod 20; when the compressed spring 33 is completely compressed, the stopper rod 32 moves out of the stopper groove 220.

Referring to fig. 1 and 2, the dust-proof cylinder 4 is a hollow cylinder structure with an opening at one end, the opening of the dust-proof cylinder 4 faces outwards, the closed end of the dust-proof cylinder 4 is fixedly connected with the fixed block 21, and the fixedly connected position is located at the center of the end face of the closed end; the end surface of the closed end is provided with a dust exhaust port 40; a motor base 24 is fixedly connected to the extension pipe 23, and the motor 5 is fixedly connected to the motor base 24; one end of the transmission flexible shaft 6 penetrates through the transmission cavity 11 to be connected with the motor 5, and the other end of the transmission flexible shaft penetrates through the fixed block 21 and the center of the closed end of the dust-proof cylinder 4; the polishing disc 7 is parallel to the end face of the closed end of the dust-proof cylinder 4, the polishing disc 7 protrudes out of the dust-proof cylinder 4 in the axis direction, and the polishing disc 7 is rotatably supported on the fixed block 21; the polishing disc 7 is fixedly connected with the transmission flexible shaft 6, and the fixed connection point is positioned at the central position of the polishing disc 7; the dust collection pipe 8 is a corrugated pipe, one end of the dust collection pipe 8 is fixedly connected to the end face of the closed end of the dust-proof cylinder 4 corresponding to the dust discharge port 40, and the other end of the dust collection pipe is fixedly connected to one end of the handle 1 corresponding to the dust transmission cavity 11; the dust collector 9 is connected to the other end of the handle 1 corresponding to the dust conveying cavity 11.

Referring to fig. 2 and 4, the implementation principle of the present embodiment is as follows: the worker pulls the limiting rod 32 outwards with one hand to move the limiting rod 32 out of the limiting groove 220; holding the handle 1 with one hand to enable the polishing disc 7 to be attached to an inclined wall surface; a worker normally stands, and the angle between the handle 1 and the polishing disc 7 is adjusted to enable the handle 1 to be in a position suitable for arm force application; then, the limiting rod 32 is loosened, so that the limiting rod 32 is inserted into the fixing groove 220 again, and the polishing disc 7 is fixed; then the switch of the motor 5 is turned on, and the switch of the dust collector 9 is turned on; holding the handle 1 with one hand and the handle 230 with the other hand and lifting the smoothing device upwards, and smoothing the wall surface with the smoothing disc 7; when polishing the wall surface of the next attic, the angle between the polishing disk 7 and the handle 1 can be adjusted and limited according to the inclination degree of the wall surface, and then the polishing operation is performed.

In the embodiment, the grinding device enables the grinding disc 7 to turn and limit the turning angle by arranging the supporting component 2 and the limiting component 3; compared with the prior art, the utility model discloses can polish to the wall of slope under the condition that the workman normally stands.

Example two

Referring to fig. 5 and 6, the present embodiment differs from the first embodiment in that: the present embodiment is also provided with a bearing 25; a bearing hole 210 is formed in the middle of the fixed block 21, and the axial direction of the bearing hole 210 is perpendicular to the rotating shaft 22; the bearing 25 is matched with the bearing hole 210 and fixedly connected in the bearing hole 210; a motor frame 26 is fixedly connected to the fixed block 21, and the motor frame 26 is of a U-shaped structure; the motor 5 is fixedly connected in the motor frame 26, the output end of the motor 5 is matched with the bearing 25 and penetrates through the bearing 25 to be vertically and fixedly connected with the polishing disc 7, and the fixed connection point is positioned at the central position of the polishing disc 7.

Referring to fig. 5 and 6, the implementation principle of the present embodiment is as follows: the worker pulls the limiting rod 32 outwards with one hand to move the limiting rod 32 out of the limiting groove 220; holding the handle 1 with one hand to enable the polishing disc 7 to be attached to an inclined wall surface; a worker normally stands, and the angle between the handle 1 and the polishing disc 7 is adjusted to enable the handle 1 to be in a position suitable for arm force application; then, the limiting rod 32 is loosened, so that the limiting rod 32 is inserted into the fixing groove 220 again, and the polishing disc 7 is fixed; then the switch of the motor 5 is turned on, and the switch of the dust collector 9 is turned on; holding the handle 1 with one hand and the handle 230 with the other hand and lifting the smoothing device upwards, and smoothing the wall surface with the smoothing disc 7; when polishing the wall surface of the next attic, the angle between the polishing disk 7 and the handle 1 can be adjusted and limited according to the inclination degree of the wall surface, and then the polishing operation is performed.

In this embodiment, the output end of the motor 5 is directly fixedly connected with the polishing disc 7, so that the transmission efficiency is improved, and the power loss is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A wall surface grinding device comprises a handle (1), a dust-proof cylinder (4), a motor (5), a grinding disc (7) and a dust collector (9), wherein the dust-proof cylinder (4) is of a hollow cylinder structure with an opening at one end, and a dust exhaust port (40) is formed in the dust-proof cylinder (4); the polishing disc (7) is parallel to the end face of the closed end of the dust-proof cylinder (4), and the polishing disc (7) protrudes out of the dust-proof cylinder (4) in the axial direction; the dust collector (9) is connected with the handle (1); the method is characterized in that: the handle (1) is provided with a dust transmission cavity (10) and a transmission cavity (11); the dust transmission cavity (10) and the transmission cavity (11) penetrate through two end faces of the handle (1) along the length direction of the handle (1); the utility model discloses a dust collection box, including handle (1), dust collection box (4), motor (5), dust collection box (7), dust collection box (8), dust collection tube (8), dust collection cavity (10) rigid coupling, dust catcher (9) with it connects to pass dirt cavity (10), motor (5) are used for the drive it rotates to beat mill dish (7), the rigid coupling has and is used for supporting and overturn dust collection box (4) with the supporting component (2) of the mill dish (7), supporting component (2) cooperation is used for injecing the spacing subassembly (3) of the rotation angle of mill dish (7), dust collection box (4) cooperation is used for the dust absorption pipe (8) that is used for the dust.

2. A wall finishing apparatus as defined in claim 1, wherein: the dust suction pipe (8) is a corrugated pipe.

3. A wall finishing apparatus as defined in claim 1, wherein: the supporting component (2) comprises a supporting rod (20), a fixing block (21), a rotating shaft (22) and an extension pipe (23); the number of the support rods (20) is two, the two support rods (20) are arranged in a splayed manner, and a small opening end of a splayed structure formed by the two support rods (20) is fixedly connected to one end of the handle (1); one end of one supporting rod (20) far away from the handle (1) is provided with a limiting hole (200) along the direction vertical to the handle (1), and the cross section of the limiting hole (200) is polygonal; the fixed block (21) is a rectangular block, and the polishing disc (7) is rotatably supported on the fixed block (21); the rotating shaft (22) is fixedly connected to the fixing block (21), the axis direction of the rotating shaft is perpendicular to the axis direction of the handle (1), and the rotating shaft (22) is rotatably supported between the large opening ends of the splayed structure formed by the two supporting rods (20); a limiting groove (220) is formed in the end face, corresponding to the limiting hole (200), of the rotating shaft (22), and the limiting groove (220) corresponds to the limiting hole (200); the extension pipe (23) is arranged at one end of the handle (1) far away from the support rod (20) and is fixedly connected to the handle (1) corresponding to the dust conveying cavity (10); the limiting component (3) is fixedly connected to the supporting rod (20) and matched with the limiting groove (220).

4. A wall finishing apparatus as defined in claim 3, wherein: the cross section of the limiting hole (200) is dodecagon.

5. A wall finishing apparatus as defined in claim 3, wherein: the limiting assembly (3) comprises a protective cylinder (30), a limiting plate (31), a limiting rod (32) and a pressure spring (33); the protective cylinder (30) is of a hollow cylinder structure, and one end of the protective cylinder (30) is fixedly connected with the side surface of the supporting rod (20); the limiting plate (31) is arranged in the protective barrel (30) and is parallel to the end face of the protective barrel (30); the cross section of the limiting rod (32) is polygonal and is matched with the limiting hole (200), the limiting rod (32) is fixedly connected with the limiting plate (31) vertically, one end of the limiting rod (32) penetrates through the end face, far away from the supporting rod (20), of the protection cylinder (30), and the other end of the limiting rod penetrates through the end face, fixedly connected with the supporting rod (20), of the protection cylinder (30) and is inserted into the limiting groove (220); the pressure spring (33) is sleeved on the limiting rod (32) and is positioned in the protection cylinder (30), one end of the pressure spring (33) is fixedly connected with the inner wall of the protection cylinder (30), and the other end of the pressure spring is fixedly connected with the limiting plate (31); when the pressure spring (33) is completely stretched, the limiting plate (31) is attached to the inner wall of the protection cylinder (30) close to the supporting rod (20); when the pressure spring (33) is completely compressed, the limiting rod (32) moves out of the limiting groove (220).

6. A wall finishing apparatus as defined in claim 3, wherein: the motor (5) is matched with a transmission flexible shaft (6), one end of the transmission flexible shaft (6) is connected with the motor (5), and the other end of the transmission flexible shaft (6) penetrates through the fixed block (21) and the dust prevention cylinder (4) and is fixedly connected with the polishing disc (7).

7. A wall finishing device as defined in claim 6, wherein: the support assembly (2) further comprises a bearing (25); a bearing hole (210) is formed in the middle of the fixing block (21), and the axis direction of the bearing hole (210) is perpendicular to the rotating shaft (22); the bearing (25) is matched with the bearing hole (210) and fixedly connected in the bearing hole (210); a motor frame (26) is fixedly connected to the fixed block (21); the motor (5) is fixedly connected in the motor frame (26), and the output end of the motor (5) is matched with the bearing (25) and penetrates through the bearing (25) to be vertically and fixedly connected with the center position of the polishing disc (7).

8. A wall finishing apparatus as claimed in claim 3 or claim 7, wherein: a handle (230) for holding is fixedly connected to the extension pipe (23).

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