CN215254355U

CN215254355U - Brick leveling device

Info

Publication number: CN215254355U
Application number: CN202121370627.8U
Authority: CN
Inventors: 卢炜峰; 张彩霞; 石裕东
Original assignee: Guangdong Kaitianjun Landscape Art Co ltd
Current assignee: Guangdong Kaitianjun Landscape Art Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-21
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a brick leveler, wherein, a shell is provided with an inner cavity with a downward opening; the rotary bottom plate is arranged below the shell, the top surface of the rotary bottom plate protrudes upwards to form a connecting part with a circular cross section, the outer peripheral surface of the connecting part is connected with the inner peripheral wall surface of the inner cavity, the connecting part can rotate around an axis extending up and down, the connecting part is provided with a cavity with a circular cross section, the cavity penetrates through the top surface of the connecting part and the bottom surface of the rotary bottom plate, and the outer peripheral surface of the connecting part is provided with a tooth part; the lower pressing block is arranged in the cavity, the top surface of the lower pressing block protrudes upwards to form a guide part, the outer peripheral surface of the guide part is connected with the inner peripheral wall surface of the cavity, and the guide part can move up and down; the driving device is arranged in the inner cavity and comprises a first driving assembly in transmission connection with the tooth part and a second driving assembly in transmission connection with the guide part. The second driving assembly drives the lower pressing block to frequently lift, acting force is applied to the bricks to compact the bricks, and the first driving assembly drives the rotating bottom plate to rotate so as to clear away cement protruding from gaps between adjacent bricks.

Description

Brick leveling device

Technical Field

The utility model relates to a decorate engineering equipment technical field, in particular to fragment of brick flattening ware.

Background

With the rapid development of economy and the improvement of living standard, the requirements of people on the living environment of the people are increasingly raised. Upholstery typically involves laying tiles over the floor. In the work of paving floor tiles, if the floor tiles are laid unevenly, the attractiveness of interior decoration is affected.

At present, a cement mortar base layer is firstly paved on the ground, then cement oil is paved on the floor tiles, then the floor tiles are paved, then mallets or rubber hammers are used for paving the four corners and the levelness of the floor tiles, the uneven positions of the floor tiles are beaten, the flatness of the floor tiles can be adjusted, the floor tiles can be compacted, the bottom surfaces of the floor tiles are enabled to be fully contacted with the cement mortar base layer, gaps are prevented from being left after the floor tiles are paved, and more bubbles and hollows are left between the floor tiles and the cement mortar base layer. However, the manual striking method is troublesome and labor-consuming, has low efficiency, and is troublesome in sweeping and cleaning by using other tools after the cement mortar base layer overflows from the gap between two adjacent floor tiles.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fragment of brick evener to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a fragment of brick evener, it includes:

a housing provided with an inner cavity with a downward opening;

the rotary bottom plate is arranged below the shell, the top surface of the rotary bottom plate protrudes upwards to form a connecting part, the cross section of the connecting part is circular, the outer peripheral surface of the connecting part is connected with the inner peripheral wall surface of the inner cavity, the connecting part can rotate around a central axis extending up and down, the connecting part is provided with a cavity with a circular cross section, the cavity penetrates through the top surface of the connecting part and the bottom surface of the rotary bottom plate, the central axis of the cavity is overlapped with the central axis of the connecting part, and the connecting part is provided with a tooth part around the outer peripheral surface of the connecting part;

the lower pressing block is arranged in the cavity, the top surface of the lower pressing block protrudes upwards to form a guide part, the outer peripheral surface of the guide part is connected with the inner peripheral wall surface of the cavity, and the guide part can move along the vertical direction;

the driving device is arranged in the inner cavity and comprises a first driving assembly and a second driving assembly, the first driving assembly is in transmission connection with the tooth part, and the second driving assembly is in transmission connection with the guide part.

The utility model discloses following beneficial effect has at least: rotatory bottom plate sets up the cross section and forms into circular shape connecting portion, connecting portion are connected by the inner chamber that from lower to upper inserts the casing and with the inner chamber, moreover, the outer peripheral face of connecting portion sets up tooth portion, be connected with tooth portion transmission through a drive assembly, it can be rotatory around the axis of connecting portion to order about rotatory bottom plate, can sweep the cement that spills over from the gap between two ceramic tiles when paving the ceramic tile, make whole gap between two ceramic tiles all fill up cement, and can clear away unnecessary cement.

In addition, connecting portion set up the cross sectional shape and are the circular shape cavity, cavity through connection portion's top surface and the bottom surface of rotating floor, and, lower briquetting sets up the guide part, lower briquetting can hold in the cavity, the guide part is connected with the cavity, the cavity plays limiting displacement to the guide part, be connected with the guide part transmission through second drive assembly, make lower briquetting can follow the axis round trip movement of connecting portion, in order to beat the ceramic tile, adjust the roughness of ceramic tile, and can compact the ceramic tile, make ceramic tile and cement mortar basic unit fully contact, avoid leaving more bubble and hollowing between ceramic tile and cement mortar basic unit. In addition, the cavity adopts the cross section shape to be circular design, and the axis of cavity and the axis coincidence of connecting portion impel the briquetting to not receive the rotatory influence of rotating bottom plate, can normally work.

The brick leveling machine has the advantages of simplicity in operation, practicability, reliability, time saving and labor saving, and has the functions of knocking bricks and paving cement.

As a further improvement of the above technical solution, the second driving assembly includes:

the axis of the driving wheel is vertical to the axis of the guide part;

one end of the connecting rod mechanism is connected with the guide part, and the other end of the connecting rod mechanism is eccentrically connected with the driving wheel;

and the driving motor is connected with the shell, and an output shaft of the driving motor is in transmission connection with the driving wheel.

The guide part, the link mechanism and the transmission wheel are sequentially connected to form a slider-crank mechanism, the transmission wheel is driven to rotate by an output shaft of the driving motor, and when the transmission wheel rapidly rotates around an axis perpendicular to the axis of the guide part, namely a horizontal axis, the guide part can move back and forth along the vertical direction under the transmission action of the link mechanism. By adopting the crank slider mechanism, the output shaft of the driving motor can rotate around the same direction at a high speed and drive the lower pressing block to frequently lift so as to beat the floor tiles and avoid the driving motor from frequently switching the steering of the output shaft.

As a further improvement of the above technical solution, the link mechanism includes a first link, a second link, and a third link; one end of the first connecting rod is connected with the driving wheel, the other end of the first connecting rod is hinged with one end of the second connecting rod, the other end of the second connecting rod is hinged with one end of the third connecting rod, and the other end of the third connecting rod is connected with the guide part. The two ends of the second connecting rod are respectively hinged with the first connecting rod and the third connecting rod, the first connecting rod is connected with the driving wheel, the third connecting rod is connected with the guide part, and when the driving wheel rotates, the guide part is driven by the connecting rod mechanism to move up and down.

As a further improvement of the above technical solution, the first driving assembly includes a first transmission shaft; the axial direction of the first transmission shaft is consistent with the axial direction of the guide part, and the first transmission shaft is connected with an output shaft of the driving motor; one end of the first transmission shaft is provided with a transmission gear, the other end of the first transmission shaft is provided with a first bevel gear, and the transmission gear is meshed with the tooth part;

the second drive assembly further comprises a second drive shaft; the second transmission shaft is rotatably connected with the shell, one end of the second transmission shaft is provided with the transmission wheel, the other end of the second transmission shaft is provided with a second bevel gear, and the second bevel gear is meshed with the first bevel gear.

The both ends of first transmission shaft set up drive gear and first bevel gear respectively, the both ends of second transmission shaft set up drive wheel and second bevel gear respectively, drive gear is connected with tooth portion meshing, first bevel gear is connected with second bevel gear meshing, and, driving motor's output shaft is connected with first transmission shaft, can drive first transmission shaft rotatory, then drive rotating bottom plate through drive gear and rotate, and simultaneously, it is rotatory to drive the second transmission shaft through first bevel gear, thereby it frequently goes up and down to drive the briquetting through the drive wheel, so design, compact structure, the energy consumption is lower.

As a further improvement of the above technical solution, the tooth portion is located at the top of the connecting portion, and the driving motor is located above the first bevel gear. The tooth part is arranged at the top of the connecting part, so that the length of the first transmission shaft can be reduced; the driving motor is arranged above the first bevel gear, an output shaft of the driving motor can be connected with the first transmission shaft, the design is reasonable, and the phenomenon that the diameter of the shell is too large due to the fact that the driving motor is arranged below the transmission gear is avoided.

As a further improvement of the technical scheme, the bottom of the lower pressing block is provided with a rubber block. The lower pressing block is provided with the rubber block, so that a certain damping and buffering effect can be achieved when the lower pressing block frequently strikes the floor tile, and the floor tile is prevented from cracking due to rigid damage.

As a further improvement of the above technical solution, the housing comprises a first half housing and a second half housing, the first half housing and the second half housing are mirror-symmetrical with respect to an axial cross-section of the connecting portion, and the first half housing and the second half housing are connected. The first half shell and the second half shell which are the same in size are connected to form the shell, so that the difficulty in assembling the brick leveler can be reduced.

As a further improvement of the above technical solution, the housing is provided with a slot, a bearing is provided in the slot, and an outer peripheral surface of the connecting portion is connected to an inner peripheral wall surface of the bearing. The connecting part is connected with the shell through the bearing, so that the connecting part can rotate more smoothly, and the resistance is smaller; and the casing sets up the draw-in groove, through installing the bearing in the draw-in groove, makes bearing and casing relatively fixed, lets connecting portion can only rotate around its axis, does not have and rocks.

As a further improvement of the above technical solution, the rotating base plate is a circular plate. The rotating bottom plate is a circular plate, and the outer edge of the rotating bottom plate is smooth and has no edges and corners, so that the rotating bottom plate can be prevented from damaging people.

As a further improvement of the technical scheme, a handle is arranged at the top of the shell. The top of casing sets up the handle, conveniently takes this fragment of brick evener.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a perspective view of the block leveler provided in the present invention, with the first half casing omitted;

FIG. 2 is a schematic view of the internal structure of the block leveler provided in the present invention;

FIG. 3 is a perspective view of the construction of the block leveler provided by the present invention;

fig. 4 is a perspective view of another perspective view of the brick leveler provided in the present invention in a state where the first half casing is omitted.

The drawings are numbered as follows: 100. a housing; 110. a card slot; 120. an inner cavity; 200. pressing the block; 210. a guide portion; 300. rotating the base plate; 310. a connecting portion; 320. a tooth portion; 330. a cavity; 400. a handle; 500. a bearing; 610. a first link; 620. a second link; 630. a third link; 640. a driving wheel; 650. a second drive shaft; 660. a first drive shaft; 670. a transmission gear; 680. a second bevel gear; 690. a first bevel gear; 700. the motor is driven.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number. If any description to first, second and third is only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

It should be noted that the X direction in the drawings is from the rear side of the brick leveler to the front side; the Y direction is from the left side of the brick leveler to the right side; the Z direction is from the lower side of the brick leveler to the upper side.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1-4, several embodiments of the present invention for a brick leveler are described below.

As shown in fig. 1-4, an embodiment of the present invention provides a brick leveler, which includes: the device comprises a shell 100, a rotating bottom plate 300, a lower pressing block 200 and a driving device.

The housing 100 has an inner cavity 120 with a downward opening, and the opening is circular. The housing 100 includes a first half housing and a second half housing, which are mirror-symmetrical with respect to an axial cross-section of the connecting portion 310, that is, a horizontal projection of the first half housing and the second half housing is a semicircle. The first and second housing halves may be connected by a bolt or snap fit arrangement. The housing 100 may be made of plastic or metal.

Further, a handle 400 is provided at the top of the casing 100 to facilitate taking the brick leveler, and the handle 400 can be held to use the brick leveler.

The rotating base plate 300 is disposed below the housing 100, the rotating base plate 300 is a circular plate, the outer edge of the rotating base plate is smooth and has no corners, and the rotating base plate 300 is made of plastic. It is of course not excluded that the rotating base plate 300 is a square plate, an oval plate.

The top surface of the swing base plate 300 is upwardly protruded to form a coupling portion 310, and the coupling portion 310 is integrally formed with the swing base plate 300. The cross-sectional shape of the connecting portion 310 is circular, the outer circumferential surface of the connecting portion 310 is connected to the inner circumferential wall surface of the inner cavity 120, and the connecting portion 310 can rotate around a central axis extending up and down.

In this embodiment, the connection portion 310 may have a cylindrical shape or a circular stepped shape and be disposed coaxially with the rotating base plate 300. The housing 100 is provided with a slot 110, and the top surface and the bottom surface of the slot 110 are provided with openings for the connection portion 310 to pass through. The bearing 500 is arranged in the clamping groove 110, the shape of the clamping groove 110 is matched with that of the bearing 500, the outer peripheral surface of the bearing 500 is in contact with the inner peripheral wall surface of the clamping groove 110, the top surface of the bearing 500 is abutted against the inner top surface of the clamping groove 110, and the bottom surface of the bearing 500 is abutted against the inner bottom surface of the clamping groove 110. The outer circumferential surface of the connecting portion 310 is connected to the inner circumferential wall surface of the bearing 500. The bearing 500 is a deep groove ball bearing.

The connecting portion 310 has a circular cross-sectional cavity 330, and the cavity 330 may be cylindrical or stepped. The cavity 330 is opened through the top surface of the connecting portion 310 and the bottom surface of the rotating base plate 300, i.e., the upper and lower ends of the cavity 330. The central axis of the cavity 330 coincides with the central axis of the connecting portion 310.

The connecting portion 310 is provided with a tooth 320 around an outer circumferential surface thereof. The tooth 320 may be integrally formed with the connection part 310. Of course, the gear may be sleeved on the connection portion 310 and may rotate synchronously with the connection portion 310. In this embodiment, the tooth 320 is located at the top of the connection part 310.

Lower pressing block 200 is disposed in cavity 330, that is, lower pressing block 200 is accommodated in cavity 330, lower pressing block 200 may be made of plastic or metal, and lower pressing block 200 may be cylindrical. Further, the bottom of the lower pressing block 200 is provided with a rubber block, which may be a cylindrical rubber block, and is fixed to the lower pressing block 200 by an adhesive or a bolt.

The top surface of the lower pressing block 200 is upwardly protruded to form a guide part 210, and the guide part 210 is integrally formed with the lower pressing block 200. In the present embodiment, the guide portion 210 has a cylindrical shape. The outer circumferential surface of the guide portion 210 is connected to the inner circumferential wall surface of the cavity 330, the guide portion 210 is coaxially disposed with the connecting portion 310, and the guide portion 210 is movable in the vertical direction. The upper end of the guide portion 210 is inserted into the cavity 330 from the bottom to the top and protrudes out of the upper end opening of the cavity 330.

The driving device is disposed in the inner cavity 120, and the driving device includes a first driving component and a second driving component, the first driving component is in transmission connection with the tooth portion 320, and the second driving component is in transmission connection with the guiding portion 210.

Specifically, the second driving assembly includes a driving wheel 640, a link mechanism, and a driving motor 700. The axis of the driving wheel 640 is perpendicular to the axis of the guide portion 210, that is, the axis of the driving wheel 640 is horizontally disposed.

One end of the link mechanism is connected to the guide portion 210, and the other end is eccentrically connected to the driving wheel 640. In the present embodiment, the link mechanism includes a first link 610, a second link 620, and a third link 630. The first, second, and

third links

610, 620, and 630 may be made of plastic or metal. One end of the first link 610 is connected to the driving wheel 640, such as by a bolt or welding. The other end of the first link 610 is hinged to one end of the second link 620 through a hinge shaft, and the other end of the second link 620 is hinged to one end of the third link 630 through a hinge shaft. The other end of the third link 630 is connected to the guide portion 210, for example, by a bolt or welding.

The driving motor 700 is connected to the housing 100, and specifically, the housing 100 may be provided with a mounting groove, and the driving motor 700 is disposed in the mounting groove and connected by a bolt. The output shaft of the driving motor 700 is in transmission connection with the driving wheel 640, for example, by a shaft connection mode.

The output shaft of the driving motor 700 drives the driving wheel 640 to rotate at a high speed, and the guide part 210 is driven to move back and forth along the axis extending up and down by the transmission action of the link mechanism, so that the pressing block 200 can frequently strike the floor tiles.

Of course, it is not excluded that the second driving component is an electric push rod, and the guiding portion 210 is driven to lift by a telescopic rod of the electric push rod.

And, first drive assembly can be the motor, and the output shaft of motor sets up the gear, is connected through gear and tooth portion 320 meshing, and when the motor during operation, can drive swivel base plate 300 and rotate, can sweep the cement that spills over from the gap between two ceramic tiles when the ceramic tile, make the whole gap between two ceramic tiles all fill full cement, can clear away unnecessary cement moreover.

By adopting the design, the rotary bottom plate 300 and the lower pressing block 200 can be controlled to work respectively.

In some embodiments, the first drive assembly includes a first drive shaft 660. The axial direction of the first transmission shaft 660 coincides with the axial direction of the guide portion 210, that is, the axial direction of the first transmission shaft 660 extends in the vertical direction. The first transmission shaft 660 is connected to an output shaft of the driving motor 700, for example, by a shaft connection method. The first transmission shaft 660 may be sleeved with the bearing 500, correspondingly, the housing 100 is provided with a fixing groove for the bearing 500 to be installed, and the first transmission shaft 660 is connected with the housing 100 through the bearing 500.

One end of the first transmission shaft 660 is provided with a transmission gear 670, the other end of the first transmission shaft 660 is provided with a first bevel gear 690, and the transmission gear 670 and the first bevel gear 690 can be fixed on the first transmission shaft 660 in a key connection mode and can synchronously rotate along with the first transmission shaft 660. The transmission gear 670 is engaged with the tooth portion 320, and when the driving motor 700 drives the first transmission shaft 660 to rotate, the transmission gear 670 drives the tooth portion 320 to rotate, so that the rotating base plate 300 rotates around an axis extending up and down.

Also, the second driving assembly further includes a second transmission shaft 650. The second transmission shaft 650 is rotatably connected to the housing 100, specifically, the second transmission shaft 650 is sleeved with the bearing 500, correspondingly, the housing 100 is provided with a fixing groove for mounting the bearing 500, and the second transmission shaft 650 is connected to the housing 100 through the bearing 500.

One end of the second transmission shaft 650 is provided with the transmission wheel 640, and the other end is provided with a second bevel gear 680, and the transmission wheel 640 and the second bevel gear 680 can be mounted on the second transmission shaft 650 through a key connection manner and can synchronously rotate along with the second transmission shaft 650. The second bevel gear 680 is engaged with the first bevel gear 690, and when the first transmission shaft 660 rotates, the first bevel gear 690 drives the second bevel gear 680 to rotate, so as to drive the second transmission shaft 650 to rotate, and the guide part 210 is driven to move back and forth in an up-and-down manner by means of a link mechanism.

The first bevel gear 690 and the second bevel gear 680 are sized to cause the rotational speeds of the first drive shaft 660 and the second drive shaft 650 to be the same. The diameter of the tooth part 320 is larger, and the diameter of the driving wheel 640 can be set smaller, so that the rotating speed of the tooth part 320 is smaller than that of the driving wheel 640, the lower pressing block 200 can be lifted quickly to beat bricks, and the rotating base plate 300 can rotate slowly.

By adopting the design, the rotary bottom plate 300 and the lower pressing block 200 can be driven to work simultaneously by one driving motor 700, the structure is compact, the energy consumption is low, and the manufacturing cost is low.

In this embodiment, the driving motor 700 is located above the first bevel gear 690.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A brick screed comprising:

a housing (100) provided with an inner cavity (120) having a downward opening;

the rotary bottom plate (300) is arranged below the shell (100), the top surface of the rotary bottom plate (300) protrudes upwards to form a connecting part (310), the cross section of the connecting part (310) is circular, the outer peripheral surface of the connecting part (310) is connected with the inner peripheral wall surface of the inner cavity (120), the connecting part (310) can rotate around a central axis extending up and down, the connecting part (310) is provided with a cavity (330) with a circular cross section, the cavity (330) penetrates through the top surface of the connecting part (310) and the bottom surface of the rotary bottom plate (300), the central axis of the cavity (330) is superposed with the central axis of the connecting part (310), and the connecting part (310) is provided with a tooth part (320) around the outer peripheral surface;

a lower pressing block (200) arranged in the cavity (330), wherein the top surface of the lower pressing block (200) is upwards protruded to form a guide part (210), the outer peripheral surface of the guide part (210) is connected with the inner peripheral wall surface of the cavity (330), and the guide part (210) can move along the vertical direction;

the driving device is arranged in the inner cavity (120) and comprises a first driving assembly and a second driving assembly, the first driving assembly is in transmission connection with the tooth part (320), and the second driving assembly is in transmission connection with the guide part (210).

2. The tile screed of claim 1, wherein the second drive assembly comprises:

a transmission wheel (640) having an axis perpendicular to an axis of the guide part (210);

one end of the connecting rod mechanism is connected with the guide part (210), and the other end of the connecting rod mechanism is eccentrically connected with the driving wheel (640);

and the driving motor (700) is connected with the shell (100), and an output shaft of the driving motor (700) is in transmission connection with a transmission wheel (640).

3. The brick screed of claim 2, wherein the linkage mechanism comprises a first link (610), a second link (620), and a third link (630); one end of the first connecting rod (610) is connected with the driving wheel (640), the other end of the first connecting rod (610) is hinged with one end of the second connecting rod (620), the other end of the second connecting rod (620) is hinged with one end of the third connecting rod (630), and the other end of the third connecting rod (630) is connected with the guide part (210).

4. The brick screed according to claim 3, wherein the first drive assembly includes a first drive shaft (660); the axial direction of the first transmission shaft (660) is consistent with the axial direction of the guide part (210), and the first transmission shaft (660) is connected with an output shaft of the driving motor (700); one end of the first transmission shaft (660) is provided with a transmission gear (670), the other end of the first transmission shaft is provided with a first bevel gear (690), and the transmission gear (670) is meshed with the tooth part (320);

the second drive assembly further comprises a second drive shaft (650); the second transmission shaft (650) is rotatably connected with the shell (100), one end of the second transmission shaft (650) is provided with the transmission wheel (640), the other end of the second transmission shaft is provided with a second bevel gear (680), and the second bevel gear (680) is meshed with the first bevel gear (690).

5. The brick screed according to claim 4, characterized in that the toothed portion (320) is located on top of the connecting portion (310), and the driving motor (700) is located above the first bevel gear (690).

6. The brick screed according to any one of claims 1 to 5, characterised in that the bottom of the lower pressing block (200) is provided with a rubber block.

7. The brick screed according to claim 6, characterized in that the housing (100) comprises a first half-housing and a second half-housing, which are mirror-symmetrical with respect to an axial cross-section of the connecting portion (310), the first half-housing and the second half-housing being connected.

8. The brick leveler of claim 7, wherein the case (100) is provided with a clamping groove (110), a bearing (500) is provided in the clamping groove (110), and an outer circumferential surface of the connecting part (310) is connected to an inner circumferential wall surface of the bearing (500).

9. The brick screed according to claim 8, characterized in that the rotating base plate (300) is a circular plate.

10. The brick screed according to claim 9, characterized in that the top of the housing (100) is provided with a handle (400).