CN214322788U - Wall surface grinding device for house building construction - Google Patents
Wall surface grinding device for house building construction Download PDFInfo
- Publication number
- CN214322788U CN214322788U CN202120329375.8U CN202120329375U CN214322788U CN 214322788 U CN214322788 U CN 214322788U CN 202120329375 U CN202120329375 U CN 202120329375U CN 214322788 U CN214322788 U CN 214322788U
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- Prior art keywords
- wall
- accommodating cavity
- grinding
- connecting rod
- adjusting
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- 238000009435 building construction Methods 0.000 title claims description 12
- 238000010276 construction Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims description 29
- 229910001651 emery Inorganic materials 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000009499 grossing Methods 0.000 claims description 12
- 238000010030 laminating Methods 0.000 claims description 3
- 210000002421 cell wall Anatomy 0.000 claims description 2
- 238000005498 polishing Methods 0.000 abstract description 42
- 238000000034 method Methods 0.000 abstract description 9
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract 1
- 244000137852 Petrea volubilis Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model belongs to the technical field of the technique of house construction and specifically relates to a wall grinds paper-back edition and puts for housing construction, and it grinds the mechanism including the side of polishing board, gripping member and being used for grinding flat wall reentrant corner, and the gripping member is installed on the face of being connected of polishing board, and the holding chamber has all been seted up to the relative both sides face of polishing board, and the side grinds the mechanism and passes through holding chamber activity and set up in the polishing board. This application has the effect of polishing that is favorable to promoting to wall cloudy angular position.
Description
Technical Field
The application relates to the field of house construction, in particular to a wall surface smoothing device for house building construction.
Background
In house construction, various processes are involved, one of the processes relates to a wall surface smoothing process, and in the wall surface smoothing process, a wall surface smoothing device is often used.
Present wall grinds paper-back edition and puts as shown in figure 1, including sanding plate 1 and gripping member 2, the one side of this sanding plate 1 is the sanding face, and the another side of sanding plate 1 is for connecting the face, and the one end of gripping member 2 is connected face fixed connection with sanding plate 1, and the other end of gripping member 2 is for supplying the end of gripping that the user gripped.
In view of the above-mentioned related technologies, the inventor believes that, in the process of wall surface polishing, because there is a phenomenon of internal and external corners on the wall surface of a house, the internal corners refer to recessed wall corners, such as included angles of surrounding walls, and the existing wall surface polishing device is also difficult to polish the internal corners, and the situation that the internal corners of the wall surface are not polished completely easily occurs.
SUMMERY OF THE UTILITY MODEL
In order to promote the effect of polishing to wall cloudy angular position, this application provides a wall grinds paper-back edition and puts for housing construction.
The application provides a pair of wall grinds paper-back edition and puts for housing construction adopts following technical scheme:
the utility model provides a house building construction is with wall mill paper-back edition of books device, grinds the mechanism including the board of polishing, the piece of gripping and being used for grinding the side of flat wall reentrant corner, the piece of gripping is installed the connection face of board of polishing, the holding chamber has all been seted up to the relative both sides face of board of polishing, the side grinds the mechanism and passes through holding chamber activity sets up in the board of polishing.
Through adopting above-mentioned technical scheme, the setting of the board of polishing is realized polishing the wall, and the grip sets up the person of facilitating the use and removes the board of polishing, and the holding chamber has been seted up respectively to the both sides of board of polishing, and the side grinds the mechanism and rotates and install in the holding chamber, when needs are polished the reentrant corner position of wall, adopts the side to grind the mechanism and can polish the reentrant corner position of wall.
Preferably, the side grinding mechanism including the swing set up in regulating part and the emery wheel of holding intracavity, the regulating part with the emery wheel is rotated and is connected, just the global reentrant corner laminating that can and wall of emery wheel.
Through adopting above-mentioned technical scheme, the regulating part is connected with the board swing of polishing, and the regulating part rotates with the emery wheel to be connected, when needs are polished to the reentrant corner position of wall, staff swing regulating part to make the regulating part pendulum out from holding the chamber, the regulating part drives the emery wheel and pendulum out this moment, simultaneously, the adjustable regulating part of staff, because the reentrant corner laminating of global and wall of emery wheel, help polishing the wall reentrant corner position from this.
Preferably, the adjusting part comprises a connecting sleeve and a connecting rod, one end of the connecting sleeve is rotatably arranged in the accommodating cavity through a rotating shaft, one end of the connecting rod is rotatably connected with the grinding wheel, the other end of the connecting rod extends into the connecting sleeve, the connecting rod is connected with the connecting sleeve in a sliding mode through a stroke spring, and when the adjusting part is swung out of the accommodating cavity and the stroke spring is in a natural state, the peripheral surface of the grinding wheel abuts against the internal corner of the wall surface.
Through adopting above-mentioned technical scheme, the regulating part includes connecting sleeve and connecting rod, and connecting sleeve's one end is rotated through the pivot and is set up in the holding intracavity, realizes that connecting sleeve is connected with the rotation of polishing plate, and the connecting rod slides through stroke spring and connecting sleeve and is connected, can adjust the whole length of regulating part according to actual construction needs, and the connecting rod sets up the position of being convenient for adjust the emery wheel simultaneously for the reentrant corner position of wall can be laminated better to the emery wheel.
Preferably, the polishing plate is provided with a limiting component for limiting the swinging of the adjusting part, the limiting component comprises a limiting part, a cavity wall of the accommodating cavity penetrates through the side surface of the polishing plate and is provided with a through groove, the limiting part is connected with the polishing plate in a sliding manner through the through groove, and the limiting part can move into the accommodating cavity.
By adopting the above scheme, locating part and logical groove cooperation set up, when needs restriction regulating part swing, the staff removes the locating part and makes a part of locating part move into the holding intracavity to restriction regulating part swings out from the holding intracavity, when needs will the regulating part swing out from the holding intracavity, the staff removes the locating part and makes the whole indents of locating part go into logical inslot, makes the holding chamber have sufficient space to supply the regulating part to swing out from this.
Preferably, lead to the groove part and connect the slot part that slide including mutual intercommunication, the slot part that slides with the holding chamber is linked together, the locating part includes stopper and carriage release lever, the stopper slide connect in the slot part slides, the one end of carriage release lever stretches into the slot part that slides and with stopper fixed connection, the carriage release lever slide connect in connect the slot part, just the carriage release lever deviates from the one end of stopper stretches out outside connecting the slot part.
Through adopting above-mentioned technical scheme, the stopper slides and connects in the slot part that slides, and the carriage release lever deviates from outside the one end of stopper stretches out the connection slot part, when needs restriction regulation pole pendulum holding chamber, the staff removes the stopper through the carriage release lever and makes the stopper partly stretch the holding intracavity from the slot part that slides to restriction regulating part swing.
Preferably, the carriage release lever cover is equipped with adjusting spring, adjusting spring's one end is fixed the stopper orientation the side of carriage release lever, adjusting spring's the other end is fixed the cell wall of slot part slides, works as when adjusting spring is in natural state, the stopper part stretches into the holding intracavity.
Through adopting the above technical scheme, adjusting spring sets up, can improve the stability that the stopper part is located the holding intracavity, when needing to put the regulating part out from the holding intracavity portion, the staff makes the carriage release toward the outside direction removal of the board of polishing earlier, make the stopper remove toward the direction of the slot part that slides from this, after the regulating part is put out, the staff can loosen the carriage release, adjusting spring resumes natural state rapidly and orders about the stopper and removes toward the direction of holding intracavity portion this moment, need not the staff and adjust the carriage release and can realize that the stopper resets, improve the convenience of staff's operation.
Preferably, the top wall of the accommodating cavity is provided with a groove which is attached to the circumferential surface of the grinding wheel, and when the adjusting piece is located in the accommodating cavity, the circumferential surface of the grinding wheel abuts against the groove.
Through adopting above-mentioned technical scheme, the recess setting for partly global and the recess of emery wheel are laminated mutually, realize the injecing to the emery wheel position, are favorable to improving the stability of regulating part and emery wheel when the holding intracavity.
Preferably, the side of the connecting rod is fixedly provided with a protruding part, and when the connecting rod is located in the accommodating cavity, the protruding part faces the direction of the cavity opening of the accommodating cavity.
Through adopting above-mentioned technical scheme, the side of connecting rod sets up the bellying, and this bellying is towards the direction of holding chamber accent, and the staff can promote the connecting rod in the direction of adapter sleeve through the bellying to the emery wheel breaks away from the recess, so that the regulating part is swung out from the holding tank.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the wall surface is polished by the aid of the polishing plate, the holding piece is convenient for a user to move the polishing plate, the two sides of the polishing plate are respectively provided with a containing cavity, the side polishing mechanism is rotatably mounted in the containing cavities, and when the internal corner position of the wall surface needs to be polished, the internal corner position of the wall surface can be polished by the side polishing mechanism;
2. the regulating part includes connecting sleeve and connecting rod, and connecting sleeve's one end is rotated through the pivot and is set up in the holding intracavity, realizes that connecting sleeve is connected with the rotation of board of polishing, and the connecting rod slides through stroke spring and connecting sleeve and is connected, can adjust the whole length of regulating part according to actual construction needs, and the connecting rod sets up the position of being convenient for adjust the emery wheel simultaneously for the reentrant corner position of wall can be laminated better to the emery wheel.
Drawings
Fig. 1 is a schematic view of the overall structure of a wall surface smoothing device in the prior art.
Fig. 2 is a schematic view of the wall surface flattening device in the present application in a state of flattening the internal corner of the wall surface.
Fig. 3 is a schematic view of another state of the wall surface flattening device for flattening the internal corner of the wall surface.
Fig. 4 is a partial structural cross-sectional view of the sanding plate of the present application.
Fig. 5 is an enlarged view of a portion a of fig. 4.
Description of reference numerals: 1. grinding the plate; 101. an accommodating cavity; 2. a grip; 31. an adjustment member; 311. a connecting sleeve; 312. a connecting rod; 3121. a boss portion; 32. a grinding wheel; 321. a peripheral surface; 322. an elastic layer; 33. a stroke spring; 41. a limiting member; 411. a limiting block; 4111. a bevel; 4112. an abutment plane; 412. a travel bar; 4121. a round block; 42. a through groove; 421. a sliding groove part; 422. a connecting groove portion; 5. adjusting the spring; 6. and (4) a groove.
Detailed Description
The present application is described in further detail below with reference to figures 2-5.
The embodiment of the application discloses house construction grinds paper-back edition and puts with wall.
Referring to fig. 2, the wall surface grinding device for house building construction comprises a grinding plate 1, a holding piece 2 and a side grinding mechanism. One side of the polishing plate 1 is a polishing surface for polishing a wall surface, and the other side of the polishing plate 1 is a connecting surface. The holding piece 2 is a holding rod, one end of the holding rod is fixedly connected with the connecting surface of the grinding plate 1, and the other end of the holding rod is a holding end for holding by workers. The holding chamber 101 has all been seted up to two other relative sides of board of polishing 1, and the mechanism is ground to the side sets up in board of polishing 1 through holding chamber 101 activity, when needs grind flat the processing to the reentrant corner position of wall, can adopt the mechanism is ground flat to the reentrant corner position of wall to the side.
Referring to fig. 2, the side grinding mechanism includes an adjusting member 31 and a grinding wheel 32, wherein the adjusting member 31 includes a connecting sleeve 311 and a connecting rod 312. One end of the connecting sleeve 311 is a closed end, the other end of the connecting sleeve 311 is an open end, and the closed end of the connecting sleeve 311 is rotatably disposed in the accommodating cavity 101 through a rotating shaft, so that the connecting sleeve 311 can swing relative to the polishing plate 1. One end of the connecting rod 312 is rotatably connected to the grinding wheel 32, in this embodiment, the axial direction of the connecting rod 312 is perpendicular to the axial direction of the rotating shaft of the grinding wheel 32, and the other end of the connecting rod 312 extends into the connecting sleeve 311. Specifically, the side wall of the connecting rod 312 is attached to the inner side wall of the connecting sleeve 311, and the connecting rod 312 can slide along the length direction of the connecting sleeve 311. In order to improve the adjustable performance of the connecting rod 312, the connecting rod 312 is connected with the connecting pipe through a stroke spring 33, specifically, one end of the stroke spring 33 is fixedly connected with the end of the connecting rod 312, the other end of the stroke spring 33 is fixedly connected with the closed end of the connecting sleeve 311, and the elastic direction of the stroke spring 33 is the same as the sliding direction of the connecting rod 312 relative to the connecting sleeve 311. When the adjusting member 31 is located in the accommodating cavity 101, the peripheral surface 321 of the grinding wheel 32 abuts against the cavity wall of the accommodating cavity 101 under the action of the stroke spring 33, so that, in order to improve the stability of the adjusting member 31 in the accommodating cavity 101, the inner top wall of the accommodating cavity 101 is correspondingly provided with a groove 6 which is attached to a part of the peripheral surface 321 of the grinding wheel 32, when the adjusting member 31 is located in the accommodating cavity 101, the peripheral surface 321 of the grinding wheel 32 abuts against the groove 6, and at this time, the groove 6 limits the grinding wheel 32 to swing left and right. The lateral surface of the connecting rod 312 is fixedly provided with a convex portion 3121, and when the connecting rod 312 is located in the accommodating cavity 101, the convex portion 3121 faces the direction of the cavity opening of the accommodating cavity 101. The raised portion 3121 is provided to facilitate movement of the connecting rod 312 by a worker in a direction toward or away from the inside of the connecting sleeve 311.
As shown in fig. 2, when the worker swings the adjusting member 31 out of the accommodating chamber 101, the connecting rod 312 drives the grinding wheel 32 to move in a direction away from the connecting sleeve 311 under the elastic force of the stroke spring 33. In the process of the worker grinding the wall surface, when the linear distance between the side surface of the grinding plate 1 and the internal corner of the wall surface is equal to the preset distance A, the stroke spring 33 is in a natural state, and the peripheral surface 321 of the grinding wheel 32 is abutted to the internal corner of the wall surface. The adjusting member 31 is rotatably connected to the grinding wheel 32, and the peripheral surface 321 of the grinding wheel 32 can be attached to the internal corner of the wall surface. When the linear distance between the side surface of the grinding plate 1 and the internal corner of the wall surface is smaller than the preset distance a, the elastic force of the stroke spring 33 enables the peripheral surface 321 of the grinding wheel 32 to abut against the internal corner of the wall surface, and the peripheral surface 321 of the grinding wheel 32 can also be attached to the internal corner of the wall surface.
Fig. 3 shows a side view of the wall surface flattening device when polishing the internal corner of the wall surface, in order to further improve the bonding area between the grinding wheel 32 and the internal corner of the wall surface, the round surface deviating from the connecting rod 312 in the grinding wheel 32 is provided with an elastic layer 322, when the adjusting part 31 needs to be located in the accommodating cavity 101, the elastic layer 322 is in a compressed state, after the adjusting part 31 is swung out of the accommodating cavity 101, the elastic layer 322 is in an extended state, so that the peripheral surface 321 of the elastic layer 322 is matched with the peripheral surface 321 of the grinding wheel 32 to achieve the effect of polishing the wall surface. In order to further improve the polishing effect on the wall surface, a layer of sand paper can be attached to the peripheral surface 321 of the elastic layer 322, and the sand paper is torn off after the polishing is finished.
Referring to fig. 4 and 5, when the side grinding mechanism is used up, the worker swings the adjusting member 31 into the accommodating cavity 101, and in order to further improve the stability of the adjusting member 31 in the accommodating cavity 101, the grinding plate 1 is provided with a limiting assembly for limiting the swinging of the adjusting member 31. Specifically, the cavity wall of the accommodating cavity 101 penetrates through the side surface of the polishing plate 1 to form a through groove 42. The through groove 42 includes a sliding groove portion 421 and a connecting groove portion 422, the sliding groove portion 421 communicates with the accommodating chamber 101, one side of the connecting groove portion 422 communicates with the sliding groove portion 421, and the other side of the connecting groove portion 422 penetrates through the side wall of the polishing plate 1. And the maximum width of the connection groove portion 422 is smaller than the maximum width of the slip groove portion 421. The limiting component includes a limiting component 41, the limiting component 41 includes a limiting component 411 and a moving rod 412, the limiting component 411 is slidably connected to the sliding groove portion 421, and the limiting component 411 can move towards or away from the accommodating cavity 101. One end of the moving rod 412 extends into the sliding slot portion 421 and is fixedly connected to the side surface of the limiting block 411, the moving rod 412 is slidably connected to the connecting slot portion 422, and one end of the moving rod 412 away from the limiting block 411 extends out of the connecting slot portion 422 and is fixedly provided with a round block 4121, and the round block 4121 is provided with a limiting member 41 which is separated from the through slot 42. The worker can move the moving rod 412 to move the limiting block 411 toward or away from the accommodating chamber 101.
Referring to fig. 5, the moving rod 412 is sleeved with an adjusting spring 5, one end of the adjusting spring 5 is fixed to a side surface of the limiting block 411 facing the moving rod 412, and the other end of the adjusting spring 5 is fixed to a groove wall of the sliding groove portion 421. The elastic direction of the adjusting spring 5 is the same as the sliding direction of the limiting block 411. When the adjusting spring 5 is in a natural state, a part of the limiting block 411 extends into the accommodating cavity 101, the other part of the limiting block 411 is located in the sliding groove portion 421, and the side surface of the limiting block 411 abuts against the groove wall of the sliding groove portion 421.
Referring to fig. 5, in order to facilitate the worker to further use the side grinding mechanism, an inclined surface 4111 and an abutting plane 4112 are disposed at one end of the limiting block 411, which is used for extending into the accommodating cavity 101, the inclined surface 4111 of the limiting block 411 faces the cavity opening direction of the accommodating cavity 101, and the abutting plane 4112 of the limiting block 411 faces the cavity bottom direction of the accommodating cavity 101. In the process that the adjusting piece 31 swings into the accommodating cavity 101, the side surface of the adjusting piece 31 presses the inclined surface 4111 of the limiting block 411, so that the limiting block 411 moves towards the direction in the sliding groove 421, and when the limiting block 411 completely enters the sliding groove 421, the accommodating cavity 101 has enough space for the adjusting piece 31 to swing in; when the adjusting member 31 is located in the accommodating cavity 101, the abutting plane 4112 of the stop block 411 may be used to abut against a side surface of the adjusting member 31, so that the adjusting member 31 is stably located in the accommodating cavity 101.
The principle of the embodiment is as follows:
when the adjusting member 31 needs to be swung out from the accommodating cavity 101, the worker moves the moving rod 412 in the direction away from the accommodating cavity 101, so that the moving rod 412 drives the limiting block 411 to move in the direction away from the inside of the accommodating cavity 101 until the limiting block 411 completely enters the sliding groove 421, and at this time, the accommodating cavity 101 has enough space for the adjusting member 31 to swing out. Next, the staff will push the connecting rod 312 to move towards the direction inside the connecting sleeve 311 through the protruding portion 3121, so that the grinding wheel 32 breaks away from the groove 6, at this time, the staff swings the connecting sleeve 311 again, at this time, the connecting sleeve 311 drives the connecting rod 312 and the grinding wheel 32 to swing out, and at this time, the staff can grind the internal corner position of the wall surface by using the grinding wheel 32.
When the regulating part 31 needs to be put into the accommodating cavity 101, a worker firstly moves the connecting rod 312 towards the direction inside the connecting sleeve 311 through the protruding portion 3121, and then swings the regulating part 31 towards the direction inside the accommodating cavity 101, in the process, the side wall of the regulating part 31 extrudes the inclined surface 4111 of the limiting block 411, the limiting block 411 retracts into the sliding groove 421, when the regulating part 31 completely enters the accommodating cavity 101, the side surface of the regulating part 31 is separated from the inclined surface 4111 of the limiting block 411, at the moment, under the action of the regulating spring 5, the limiting block 411 rapidly moves towards the direction inside the accommodating cavity 101, so that one end of the limiting block 411 provided with the abutting plane 4112 extends into the accommodating cavity 101, and the regulation of the regulating part 31 is limited.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a house construction is with wall device of grinding flatly which characterized in that: including sanding plate (1), grip (2) and be used for grinding the side grinding mechanism of flat wall reentrant corner, grip (2) are installed the connection face of sanding plate (1), holding chamber (101) have all been seted up to the relative both sides face of sanding plate (1), the side grinding mechanism passes through holding chamber (101) activity sets up in sanding plate (1).
2. The wall-smoothing device for house building construction according to claim 1, characterized in that: the side grinding mechanism comprises an adjusting part (31) and a grinding wheel (32) which are arranged in the accommodating cavity (101) in a swinging mode, the adjusting part (31) is connected with the grinding wheel (32) in a rotating mode, and the peripheral surface (321) of the grinding wheel (32) can be attached to the internal corner of the wall surface.
3. The wall surface smoothing device for house building construction according to claim 2, characterized in that: the adjusting piece (31) comprises a connecting sleeve (311) and a connecting rod (312), one end of the connecting sleeve (311) is rotatably arranged in the accommodating cavity (101) through a rotating shaft, one end of the connecting rod (312) is rotatably connected with the grinding wheel (32), the other end of the connecting rod (312) extends into the connecting sleeve (311), the connecting rod (312) is connected with the connecting sleeve (311) in a sliding mode through a stroke spring (33), and when the adjusting piece (31) swings out of the accommodating cavity (101), the peripheral surface (321) of the grinding wheel (32) can abut against the internal corner position of the wall surface.
4. The wall-smoothing device for house building construction according to claim 3, characterized in that: the grinding plate (1) is provided with a limiting component for limiting the swinging of the adjusting piece (31), the limiting component comprises a limiting piece (41), the cavity wall of the accommodating cavity (101) penetrates through the side face of the grinding plate (1) to form a through groove (42), the limiting piece (41) is connected with the grinding plate (1) in a sliding mode through the through groove (42), and the limiting piece (41) can partially move into the accommodating cavity (101).
5. The wall-smoothing device for house building construction according to claim 4, characterized in that: lead to groove (42) including the slot part (421) and the connection slot part (422) that slide that communicate each other, the slot part (421) that slide with the holding chamber (101) is linked together, locating part (41) include stopper (411) and carriage release lever (412), stopper (411) slide connect in the slot part (421) slides, the one end of carriage release lever (412) stretches into slide slot part (421) and with stopper (411) fixed connection, carriage release lever (412) slide connect in connect slot part (422), just carriage release lever (412) deviate from the one end of stopper (411) is stretched out outside connecting slot part (422).
6. The wall-smoothing device for house building construction according to claim 5, characterized in that: the shift lever (412) cover is equipped with adjusting spring (5), the one end of adjusting spring (5) is fixed stopper (411) orientation the side of shift lever (412), the other end of adjusting spring (5) is fixed the cell wall of slot part (421) slides, works as when adjusting spring (5) is in natural state, stopper (411) part stretches into in the holding chamber (101).
7. The wall-smoothing device for house building construction according to claim 3, characterized in that: the top wall is seted up in holding chamber (101) with recess (6) of laminating mutually all around (321) of emery wheel (32), works as regulating part (31) are located when holding chamber (101), all around (321) of emery wheel (32) contradict in recess (6).
8. The wall-smoothing device for house building construction according to claim 3, characterized in that: the side surface of the connecting rod (312) is fixedly provided with a convex part (3121), and when the connecting rod (312) is positioned in the accommodating cavity (101), the convex part (3121) faces the direction of the cavity opening of the accommodating cavity (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120329375.8U CN214322788U (en) | 2021-02-04 | 2021-02-04 | Wall surface grinding device for house building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120329375.8U CN214322788U (en) | 2021-02-04 | 2021-02-04 | Wall surface grinding device for house building construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214322788U true CN214322788U (en) | 2021-10-01 |
Family
ID=77884929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120329375.8U Expired - Fee Related CN214322788U (en) | 2021-02-04 | 2021-02-04 | Wall surface grinding device for house building construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214322788U (en) |
-
2021
- 2021-02-04 CN CN202120329375.8U patent/CN214322788U/en not_active Expired - Fee Related
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Granted publication date: 20211001 |