A new brush seal structure suitable for a panel

Abstract

The application discloses a novel brush sealing structure suitable for a panel, relates to the technical field of brush sealing structures, and has the advantages of reducing the possibility of liquid overflow in the connecting gap between a brush shaft and a rack, and comprises the rack, a brush assembly rotatingly connected in the rack and used for cleaning the panel, and the brush assembly comprises the brush shaft and cleaning brushes sleeved on the circumferential outer wall of the brush shaft; the brush shaft is rotatingly connected with the side wall of the rack; the rack is provided with a motor for driving the brush shaft to rotate; and the circumferential outer wall of the brush shaft is provided with a sealing assembly for reducing liquid overflow from the rack through air sealing.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of brush sealing structure, in particular to a new brush sealing structure suitable for a panel. BACKGROUND

[0002] Generally, the substrate or glass plate for flat panel display such as LCD, OLED, etc. needs to go through different manufacturing processes, and the cleaning process is a crucial link of the cleaning machine. In the cleaning process, brush cleaning is often used as the first process to clean large particles. The substrate or glass plate for flat panel display such as LCD, OLED, etc. will carry a large amount of moisture before cleaning, and the moisture and large particles on the substrate or glass plate for flat panel display such as LCD, OLED, etc. are reduced by the action of brush cleaning.

[0003] The brush cleaning process is in a state of continuous rotation, and the brush carries a lot of moisture, which is then thrown to the edge of the groove. In order to effectively prevent liquid from leaving the groove, the sealing of the working part of the brush is particularly important.

[0004] The commonly used brush sealing method is composed of two layers of sealing plates, one layer of sealing gasket, and a sleeve and a water blocking flywheel.

[0005] However, the existing brush structure needs to open a long waist hole in the sealing plate to ensure the up-down adjustment of the brush (for adjusting the brush pressure), and a large adjustment range is required, which reduces the sealing performance, causes the moisture to overflow along the brush shaft and contact the motor, and affects the service life of the motor. SUMMARY

[0006] In order to overcome the shortcomings of the prior art, the present application provides a new brush sealing structure suitable for a panel, which comprises a rack, a brush assembly for cleaning the panel is rotatably connected in the rack, and the brush assembly comprises a brush shaft and a cleaning brush sleeved on the circumferential outer wall of the brush shaft, the brush shaft is rotatably connected with the side wall of the rack, a motor for driving the brush shaft to rotate is arranged on the rack, and the circumferential outer wall of the brush shaft is provided with a sealing assembly for reducing the overflow of liquid from the rack by air sealing.

[0007] In order to achieve the above purpose, the brush shaft is driven to rotate by the motor, the brush shaft is fixedly connected with the cleaning brush, the rotation of the brush shaft drives the cleaning brush sleeved on the circumferential outer wall of the brush shaft to rotate, the panel is cleaned by the rotation of the cleaning brush, the liquid carried on the brush is blocked by the action of the sealing assembly, the possibility of liquid overflow from the rack is reduced, the sealing performance of the device is improved, and the possibility of liquid overflow through the connection gap between the brush shaft and the rack is reduced by the air water blocking action of the sealing assembly.

[0008] Further, the sealing assembly comprises a sealing cover body, the sealing cover body is sequentially provided with a first waist-shaped groove and a second waist-shaped groove from top to bottom, the first waist-shaped groove and the second waist-shaped groove are of the same size, the brush shafts are transversely arranged, every two adjacent brush shafts are vertically stacked, the brush shafts on the upper side are penetrated through the adjacent sealing cover body through the first waist-shaped groove, and the brush shafts on the lower side are penetrated through the adjacent sealing cover body through the second waist-shaped groove.

[0009] Further, the sealing cover body is composed of an upper sealing cover body, a middle sealing cover body and a lower sealing cover body, the upper sealing cover body, the middle sealing cover body and the lower sealing cover body are sequentially arranged from top to bottom, the upper sealing cover body is provided with a first insertion slot at the bottom end for accommodating the brush shafts penetrating through the upper sealing cover body, the middle sealing cover body is provided with a second insertion slot and a third insertion slot at the upper end and the lower end respectively for accommodating the brush shafts penetrating through the middle sealing cover body, the lower sealing cover body is provided with a fourth insertion slot at the top end for accommodating the brush shafts penetrating through the lower sealing cover body, the first insertion slot and the second insertion slot are mutually penetrated, the third insertion slot and the fourth insertion slot are mutually penetrated, the first insertion slot and the second insertion slot form a first waist-shaped groove, the third insertion slot and the fourth insertion slot form a second waist-shaped groove, and the upper sealing cover body, the middle sealing cover body and the lower sealing cover body are provided with a waterproof assembly for reducing the possibility of liquid overflowing from the upper sealing cover body, the middle sealing cover body and the lower sealing cover body through the first waist-shaped groove and the second waist-shaped groove.

[0010] Further, the waterproof assembly comprises two air inlet grooves arranged at the middle position inside the upper sealing cover body, the air inlet grooves are axially arranged, the air inlet grooves are located above the first insertion slot and are mutually penetrated with the first insertion slot, the upper end and the lower end of the middle position inside the middle sealing cover body are provided with through holes which are mutually penetrated with the air inlet grooves and are located directly below the air inlet grooves, the through holes are located between the second insertion slot and the third insertion slot and are mutually penetrated with the second insertion slot and the third insertion slot, a drainage groove is arranged at the middle position inside the lower sealing cover body and is located directly below the through holes, the drainage groove is axially arranged, the drainage groove is located directly below the fourth insertion slot and is mutually penetrated with the fourth insertion slot, and the drainage groove extends out of the lower sealing cover body, and the rack is provided with an air inlet assembly for facilitating air charging into the air inlet grooves.

[0011] Further, the air inlet assembly comprises an air pump fixedly connected with the rack, the output end of the air pump is fixedly provided with a connecting pipe, and the end of the connecting pipe away from the air pump is fixedly connected with the top end of the air inlet groove.

[0012] Further, the sealing cover body is connected with two labyrinth sealing assemblies which are sleeved on the circumferential outer wall of the brush shaft and reduce the liquid overflow from the rack.

[0013] Further, the labyrinth seal assembly comprises an A sealing roller between the first slot and the second slot and a B sealing roller between the third slot and the fourth slot, the A sealing roller and the B sealing roller are provided with a cylindrical groove adapted to the brush shaft at the axial position, the A sealing roller and the B sealing roller are respectively sleeved on the outer circumferential wall of the two brush shafts through the cylindrical groove and are fixedly connected with the brush shaft, the first slot and the air inlet groove are provided with a first mounting groove adapted to the outer diameter of the A sealing roller, the second slot is provided with a second mounting groove adapted to the outer diameter of the A sealing roller, the third slot is provided with a third mounting groove adapted to the outer diameter of the B sealing roller, and the fourth slot is provided with a fourth mounting groove adapted to the outer diameter of the B sealing roller.

[0014] Further, the A sealing roller and the B sealing roller are provided with an annular groove at the middle position of the outer circumferential wall, the flow path of the liquid on the brush towards the A sealing roller is A path and B path, and the flow path of the liquid on the brush towards the B sealing roller is C path and D path.

[0015] Further, the A sealing roller and the B sealing roller are provided with an O-ring sleeved on the outer circumferential wall of the brush shaft on the inner circumferential wall of the cylindrical groove, and the A sealing roller and the B sealing roller are fixedly connected with the brush shaft.

[0016] Further, the rack is fixedly installed with an inner sealing plate and a side plate, the inner sealing plate and the side plate are fixedly connected, a plurality of third waist-shaped grooves are formed on the inner sealing plate, the side plate and the side wall of the rack, the brush shaft passes through the third waist-shaped groove to enter the sealing cover body, the part of the brush shaft passing out of the sealing cover body passes through the side plate and extends out of the rack, the two ends of the brush shaft pass through the third waist-shaped groove out of the rack and are fixedly connected with the third waist-shaped groove through the rotating shaft, and the upper sealing cover body, the middle sealing cover body and the lower sealing cover body are integrated and are fixedly connected with the side plate through bolts in a detachable manner.

[0017] The beneficial effects of the present application are:

[0018] (1) The novel brush sealing structure suitable for the panel drives the brush shaft to rotate through the action of the motor, the brush shaft is fixedly connected with the cleaning brush, the rotation of the brush shaft drives the cleaning brush sleeved on the outer circumferential wall of the brush shaft to rotate, the panel is cleaned through the rotation of the cleaning brush, the liquid carried on the brush is blocked through the action of the sealing assembly, the possibility of liquid overflowing out of the rack is reduced, the sealing property of the device is improved, and the possibility of liquid overflowing out of the connecting gap between the brush shaft and the rack is reduced through the air water-blocking action of the sealing assembly.

[0019] (2), the new brush sealing structure suitable for the panel, the effect of the annular groove, A path, B path, C path and D path form a labyrinth path, the process of liquid flowing towards the outside of the rack, due to the complex path of A path, B path, C path and D path, can effectively limit the overflow of liquid in the groove, while not affecting the rotation of the brush shaft, improve the sealing of the device.

[0020] (3), the new brush sealing structure suitable for the panel, A sealing roller and B sealing roller are fixed on the brush shaft by O ring, easy to move, can be adjusted according to the actual situation.

[0021] (4), the new brush sealing structure suitable for the panel, when the liquid flows towards the first waist type groove and the second waist type groove, is blocked by air, the water flow is preferentially passed through the drain groove and flows out, reduces the possibility of liquid passing through the first waist type groove and the second waist type groove and out of the rack, thereby improving the sealing of the device, can effectively reduce the possibility of liquid overflow.

[0022] (5) the sealing cover body is relatively small, and is installed by bolts, which is convenient for on-site maintenance and disassembly. BRIEF DESCRIPTION OF DRAWINGS

[0023] The application will be further described and illustrated below in combination with the drawings.

[0024] Figure 1 is a new brush sealing structure suitable for the panel of the preferred embodiment of the application.

[0025] Figure 2 is a structure diagram for embodying the sealing cover body of the application;

[0026] Figure 3 is a structure diagram for embodying the second insertion slot of the application;

[0027] Figure 4 is a structure diagram for embodying the B sealing roller of the application;

[0028] Figure 5 is a side view structure diagram of the upper sealing cover body of the application.

[0029] Reference numerals: 1. Frame; 101. Internal sealing plate; 102. Side plate; 2. Brush assembly; 201. Brush shaft; 202. Cleaning brush; 3. Motor; 4. Sealing cover body; 401. First waist-shaped groove; 402. Second waist-shaped groove; 403. Upper sealing cover; 404. Middle sealing cover; 405. Lower sealing cover; 406. First slot; 407. Second slot; 408. Third slot; 409. Fourth slot; 410. First mounting slot; 411. Second mounting slot; 412. Third mounting slot; 413. Fourth mounting slot; 5. Air inlet slot; 501. Through hole; 502. Drainage slot; 6. A sealing roller; 7. B sealing roller; 8. Annular groove; 9. O-ring; 10. Third waist-shaped groove. Detailed Implementation

[0030] The technical solution of the present invention will be more clearly and completely explained below with reference to the accompanying drawings and through the description of preferred embodiments of the present invention.

[0031] like Figures 1-5 As shown, a novel brush sealing structure for a panel, according to a preferred embodiment of the present invention, includes a frame 1. A brush assembly 2 for cleaning the panel is rotatably connected within the frame 1. The brush assembly 2 includes a brush shaft 201 and cleaning brushes 202 sleeved on the outer circumference of the brush shaft 201. The brush shaft 201 is rotatably connected to the side wall of the frame 1. A motor 3 is provided on the frame 1 to drive the brush shaft 201 to rotate. A sealing component is provided on the outer circumference of the brush shaft 201 to reduce liquid overflow from the frame 1 through air sealing. The sealing component is located beside the brush shaft 201. The motor 3 drives the brush shaft 201 to rotate. The brush shaft 201 and cleaning brushes 202 are fixedly connected. The rotation of the brush shaft 201 drives the cleaning brushes 202 sleeved on the outer circumference of the brush shaft 201 to rotate. Two cleaning brushes 202 are stacked vertically, and the panel is located between two vertically stacked cleaning brushes 202. Between, the panel is cleaned by rotating the cleaning brush 202. The sealing component acts to block the liquid carried on the brush, reducing the possibility of liquid overflowing from the frame 1 and improving the sealing performance of the device. In addition, the sealing component reduces the possibility of liquid overflowing through the connection gap between the brush shaft 201 and the frame 1 by using air to prevent water from entering.

[0032] like Figure 2, the sealing assembly comprises a sealing cover body 4, the sealing cover body 4 is sequentially provided with a first waist-shaped groove 401 and a second waist-shaped groove 402 from top to bottom, the first waist-shaped groove 401 and the second waist-shaped groove 402 are of the same size, the brush shafts 201 are horizontally arranged, every two adjacent brush shafts 201 are vertically stacked, the brush shaft 201 located at the upper side penetrates the adjacent sealing cover body 4 through the first waist-shaped groove 401, the brush shaft 201 located at the lower side penetrates the adjacent sealing cover body 4 through the second waist-shaped groove 402, through the cooperation of the first waist-shaped groove 401 and the second waist-shaped groove 402, the staff adjusts the positions of the two brush shafts 201 in the first waist-shaped groove 401 and the second waist-shaped groove 402 according to the need, and then the interval of the two adjacent cleaning brushes 202 in the vertical direction is adjusted, the interval is adjusted according to the thickness of the panel, and the utilization rate of the device is improved, and the brush shaft 201 is concentrically arranged with the cleaning brush 202.

[0033] As Figure 3 And Figure 4 , the sealing cover body 4 is composed of an upper sealing cover 403, a middle sealing cover 404 and a lower sealing cover 405, the upper sealing cover 403, the middle sealing cover 404 and the lower sealing cover 405 are sequentially arranged from top to bottom, the bottom end of the upper sealing cover 403 is provided with a first insertion groove 406 for accommodating the brush shaft 201 to penetrate the upper sealing cover 403, the upper end and the lower end of the middle sealing cover 404 are respectively provided with a second insertion groove 407 and a third insertion groove 408 for accommodating the brush shaft 201 to penetrate the middle sealing cover 404, and the top end of the lower sealing cover 405 is provided with a fourth insertion groove 409 for accommodating the brush shaft 201 to penetrate the lower sealing cover 405, the first insertion groove 406 and the second insertion groove 407 are mutually penetrated, the third insertion groove 408 and the fourth insertion groove 409 are mutually penetrated, the first insertion groove 406 and the second insertion groove 407 form the first waist-shaped groove 401, and the third insertion groove 408 and the fourth insertion groove 409 form the second waist-shaped groove 402, the upper sealing cover 403, the middle sealing cover 404 and the lower sealing cover 405 are provided with a water isolation assembly for reducing the possibility that liquid overflows the upper sealing cover 403, the middle sealing cover 404 and the lower sealing cover 405 through the first waist-shaped groove 401 and the second waist-shaped groove 402, the upper sealing cover 403, the middle sealing cover 404 and the lower sealing cover 405 are of an integrated structure, the two brush shafts 201 arranged in the axial direction penetrate the upper sealing cover 403, the middle sealing cover 404 and the lower sealing cover 405 through the first waist-shaped groove 401 and the second waist-shaped groove 402 from top to bottom, and the water isolation assembly reduces the possibility that liquid overflows the rack 1 through the gap between the first waist-shaped groove 401, the second waist-shaped groove 402 and the brush shaft 201.

[0034] As Figure 3 And Figure 4The water-proof assembly comprises two air inlet grooves 5 arranged axially and arranged at the middle position inside the upper sealing cover body 403, the air inlet grooves 5 are arranged above the first insertion groove 406 and penetrate the first insertion groove 406, the upper and lower ends of the middle position inside the middle sealing cover body 404 are provided with through holes 501 penetrating the air inlet grooves 5 and arranged directly below the air inlet grooves 5, the through holes 501 are arranged between the second insertion groove 407 and the third insertion groove 408 and penetrate the second insertion groove 407 and the third insertion groove 408, the middle position inside the lower sealing cover body 405 is provided with a drainage groove 502 arranged directly below the through holes 501, the drainage groove 502 is arranged axially, the drainage groove 502 is arranged directly below the fourth insertion groove 409 and penetrates the fourth insertion groove 409, and extends out of the lower sealing cover body 405, the rack 1 is provided with an air inlet assembly facilitating air charging into the air inlet grooves 5, when the two brush shafts 201 stacked in the vertical direction pass through the first waist-shaped groove 401 and the second waist-shaped groove 402 in turn, air is charged into the air inlet grooves 5 by the air inlet assembly, the air passes through the air inlet grooves 5, the first insertion groove 406, the second insertion groove 407, the through holes 501, the third insertion groove 408, the fourth insertion groove 409 and the drainage groove 502 in turn from top to bottom, the air flows in the air inlet grooves 5, the first insertion groove 406, the second insertion groove 407, the through holes 501, the third insertion groove 408, the fourth insertion groove 409 and the drainage groove 502 and forms an air sealing wall, by the blocking effect of the air, when the liquid flows towards the first waist-shaped groove 401 and the second waist-shaped groove 402, the liquid is blocked by the air, the water flow preferentially moves downward and flows out through the drainage groove 502, the possibility of the liquid passing through the first waist-shaped groove 401 and the second waist-shaped groove 402 out of the rack 1 is reduced, and the sealing performance of the device is improved.

[0035] As Figure 1 The air inlet assembly comprises an air pump fixedly connected with the rack 1, an output end of the air pump is fixedly provided with a connecting pipe, one end of the connecting pipe away from the air pump is fixedly connected with the top end of the air inlet groove 5, air is charged into the air inlet groove 5 by the air pump, and an air sealing wall is formed, and the possibility of liquid overflow is reduced.

[0036] As Figure 3 and Figure 4 and Figure 5 The sealing cover body 4 is rotationally connected with two labyrinth sealing assemblies sleeved on the circumferential outer wall of the brush shaft 201 and reducing the liquid overflow out of the rack 1, by the cooperation of the labyrinth sealing assemblies and the sealing cover body, the possibility of the liquid on the cleaning brush 202 passing through the first waist-shaped groove 401 and the second waist-shaped groove 402 out of the rack 1 is further reduced.

[0037] As Figure 3 and Figure 4 and Figure 5The labyrinth sealing assembly comprises an A sealing roller 6 located between the first slot 406 and the second slot 407 and a B sealing roller 7 located between the third slot 408 and the fourth slot 409, the A sealing roller 6 and the B sealing roller 7 are both provided with a cylindrical groove adapted to the brush shaft 201 at the axial center position, the A sealing roller 6 and the B sealing roller 7 are both sleeved on the circumferential outer wall of the two brush shafts 201 through the cylindrical groove and fixedly connected with the brush shaft 201, the first slot 406 and the air inlet groove 5 are provided with a first mounting groove 410 adapted to the outer diameter of the A sealing roller 6, the second slot 407 is provided with a second mounting groove 411 adapted to the outer diameter of the A sealing roller 6, the third slot 408 is provided with a third mounting groove 412 adapted to the outer diameter of the B sealing roller 7, the fourth slot 409 is provided with a fourth mounting groove 413 adapted to the outer diameter of the B sealing roller 7, the A sealing roller 6 is sleeved on the circumferential outer wall of the brush shaft 201 located on the upper side, the upper sealing cover body 403 is sleeved on the upper half of the A sealing roller 6 outside through the first mounting groove 410, the middle sealing cover body 404 is sleeved on the lower half of the A sealing roller 6 through the second mounting groove 411, the B sealing roller 7 is sleeved on the circumferential outer wall of the brush shaft 201 located on the lower side, the middle sealing cover body 404 is sleeved on the upper half of the B sealing roller 7 through the third mounting groove 412, and the lower sealing cover body 405 is sleeved on the lower half of the B sealing roller 7 through the fourth mounting groove 413. The upper sealing cover body 403, the middle sealing cover body 404 and the lower sealing cover body 405 are fixedly connected, and the A sealing roller 6 and the B sealing roller 7 are located in the sealing cover body 4.

[0038] As Figure 3 And Figure 4 And Figure 5 The middle position of the circumferential outer wall of the A sealing roller 6 and the B sealing roller 7 is provided with an annular groove 8, the flow path of the liquid on the brush towards the A sealing roller 6 is A path and B path, the flow path of the liquid on the brush towards the B sealing roller 7 is C path and D path, the flow path of the liquid towards the A sealing roller 6 is A path and B path, and the flow path of the liquid towards the B sealing roller 7 is C path and B path. Due to the effect of the annular groove 8, the A path, the B path, the C path and the D path form a labyrinth path, and during the process of the liquid flowing towards the outside of the rack 1, the complex path of the A path, the B path, the C path and the D path can effectively limit the overflow of the liquid in the groove,

[0039] As Figure 3 And Figure 4 And Figure 5, A sealing roller 6 and B sealing roller 7 are fixedly arranged on the circumferential inner wall of the cylindrical groove, and an O-shaped ring 9 is arranged on the circumferential outer wall of the brush shaft 201, the A sealing roller 6 and the B sealing roller 7 are fixedly connected with the brush shaft 201, two brush shafts 201 pass through the A sealing roller 6 and the B sealing roller 7 through the cylindrical groove, so as to facilitate the adjustment of the positions of the A sealing roller 6 and the B sealing roller 7, and the O-shaped ring 9 facilitates the fixed connection between the A sealing roller 6, the B sealing roller 7 and the brush shaft 201.

[0040] As Figure 1 , the inner sealing plate 101 and the side plate 102 are fixedly arranged on the rack 1 and are fixedly connected, a plurality of third waist-shaped grooves 10 are arranged on the inner sealing plate 101, the side plate 102 and the side wall of the rack 1, the brush shaft 201 passes through the inner sealing plate 101 into the sealing cover body 4 through the third waist-shaped groove 10, a shaft coupling is fixedly arranged on the circumferential outer wall of the brush shaft 201 and located between the sealing cover body 4 and the inner sealing plate 101, the part of the brush shaft 201 passing out of the sealing cover body 4 passes through the side plate 102 through the third waist-shaped groove 10 and extends out of the rack 1, the two ends of the brush shaft 201 pass out of the rack 1 through the third waist-shaped groove 10 and are fixedly connected with the third waist-shaped groove 10 through a rotating shaft, the upper sealing cover body 403, the middle sealing cover body 404 and the lower sealing cover body 405 are integrated and are detachably fixedly connected with the side plate 102 through bolts, the inner sealing plate 101 plays a preliminary blocking role on the liquid on the cleaning brush 202, the sealing cover body 4 plays a further blocking role on the liquid on the cleaning brush 202, and the side plate 102 further plays a blocking role on the liquid, thereby effectively improving the sealing performance of the device.

[0041] In use, the power is turned on, the switch is turned on, one end of the brush shaft 201 passes through the inner sealing plate 101, the sealing cover body 4, the side plate 102 and the rack 1 in sequence, the brush shaft 201 is driven to rotate by the motor 3 on the rack 1, thereby driving the cleaning brush 202 fixedly connected with the brush shaft 201 to rotate, every two adjacent cleaning brushes 202 are stacked in the vertical direction, the staff adjusts the gap between the two adjacent cleaning brushes 202 in the vertical direction according to the thickness of the panel, the staff adjusts the position of the brush shaft 201 in the first waist-shaped groove 401, the second waist-shaped groove 402 and the third waist-shaped groove 10, thereby adjusting the position of the brush shaft 201, and adjusting the position of the motor 3, the motor 3 is detachably fixedly connected with the rack 1 through bolts.

[0042] The panel has water before passing through the cleaning brush 202, which is well known in the art and will not be described in detail here;

[0043] The cleaning brush 202 keeps rotating during the cleaning of the panel, and the cleaning brush 202 carries more water, and the water is thrown to the side of the internal sealing plate 101 during the rotation, and the internal sealing plate 101 blocks part of the water, reducing the possibility of water overflowing the rack 1 and affecting the service life of the motor 3;

[0044] Part of the water moves towards the sealing cover body 4 through the gap between the internal sealing plate 101 and the third waist-shaped groove 10, and the A path, B path, C path and D path are complex, which can effectively limit the overflow of the liquid in the groove;

[0045] The upper sealing cover body 403, the A sealing roller 6, the middle sealing cover body 404, the B sealing roller 7 and the lower sealing cover body 405 are sequentially arranged from top to bottom and are integrated, the A sealing roller 6 is located between the first mounting groove 410 and the second mounting groove 411, the B sealing roller 7 is located between the third mounting groove 412 and the fourth mounting groove 413, and the air inlet groove 5, the first mounting groove 410, the first insertion groove 406, the second insertion groove 407, the second mounting groove 411, the through hole 501, the third mounting groove 412, the third insertion groove 408, the fourth insertion groove 409, the fourth mounting groove 413 and the drainage groove 502 are sequentially arranged from top to bottom and are mutually penetrated;

[0046] At the same time, the air pump is opened, and the air is sequentially passed through the air inlet groove 5, the first insertion groove 406, the second insertion groove 407, the through hole 501, the third insertion groove 408, the fourth insertion groove 409 and the drainage groove 502 from top to bottom through the connection pipe, and the air flows in the air inlet groove 5, the first insertion groove 406, the second insertion groove 407, the through hole 501, the third insertion groove 408, the fourth insertion groove 409 and the drainage groove 502 and forms an air sealing wall, and when the liquid flows towards the A path, B path, C path and D path, the liquid is blocked by the air, and the water flow through the first waist-shaped groove 401 and the second waist-shaped groove 402 can only flow out from the bottom of the drainage groove 502, further reducing the possibility of the liquid passing out of the rack 1 through the first waist-shaped groove 401 and the second waist-shaped groove 402, and further improving the sealing performance of the device.

[0047] The above specific embodiments only describe the preferred embodiments of the present application, and do not limit the protection scope of the present application. Various modifications, substitutions and improvements of the technical solutions of the present application made by those skilled in the art according to the description and drawings provided by the present application should belong to the protection scope of the present application. The protection scope of the present application is determined by the claims.

Claims

1. A brush seal structure suitable for use in a panel, characterized by, The utility model provides a panel cleaning device, including frame (1), the frame (1) inside rotationally connected with the brush assembly (2) of panel cleaning function, and brush assembly (2) includes brush shaft (201) and the cleaning brush (202) of the circumferential outer wall of brush shaft (201) is set, the brush shaft (201) is rotationally connected with frame (1) side wall, be equipped with motor (3) on frame (1) and drive brush shaft (201) rotation, the circumferential outer wall of brush shaft (201) is equipped with sealing assembly by air seal and reduces the liquid overflow frame (1) effect; The sealing assembly includes a sealing cover body (4), the sealing cover body (4) is sequentially provided with a first waist-shaped groove (401) and a second waist-shaped groove (402) from top to bottom, the sealing cover body (4) is composed of an upper sealing cover body (403), a middle sealing cover body (404), and a lower sealing cover body (405), the upper sealing cover body (403), the middle sealing cover body (404), and the lower sealing cover body (405) are sequentially arranged from top to bottom, the upper sealing cover body (403) is provided with a first insertion slot (406) at the bottom end for accommodating the brush shaft (201) to pass through the upper sealing cover body (403), the middle sealing cover body (404) is provided with a second insertion slot (407) and a third insertion slot (408) at the upper end and the lower end respectively for accommodating the brush shaft (201) to pass through the middle sealing cover body (404), the lower sealing cover body (405) is provided with a fourth insertion slot (409) at the top end for accommodating the brush shaft (201) to pass through the lower sealing cover body (405), the first insertion slot (406) and the second insertion slot (407) are mutually penetrated, the third insertion slot (408) and the fourth insertion slot (409) are mutually penetrated, the first insertion slot (406) and the second insertion slot (407) form the first waist-shaped groove (401), the third insertion slot (408) and the fourth insertion slot (409) form the second waist-shaped groove (402), the upper sealing cover body (403), the middle sealing cover body (404), and the lower sealing cover body (405) are provided with a water blocking assembly for reducing the possibility of liquid overflowing the upper sealing cover body (403), the middle sealing cover body (404), and the lower sealing cover body (405) through the first waist-shaped groove (401) and the second waist-shaped groove (402). The water-proof assembly includes two air inlet grooves (5) arranged axially and opened in the middle of the inner part of the upper sealing cover body (403), the air inlet grooves (5) are located above the first insertion groove (406) and penetrate the first insertion groove (406), the upper and lower ends of the middle of the inner part of the middle sealing cover body (404) are provided with through holes (501) penetrating the air inlet grooves (5) and located directly below the air inlet grooves (5), the through holes (501) are located between the second insertion groove (407) and the third insertion groove (408) and penetrate the second insertion groove (407) and the third insertion groove (408), the middle of the inner part of the lower sealing cover body (405) is provided with a drainage groove (502) located directly below the through hole (501), the drainage groove (502) is arranged axially, the drainage groove (502) is located directly below the fourth insertion groove (409) and penetrates the fourth insertion groove (409), and extends out of the lower sealing cover body (405), the rack (1) is provided with an air inlet assembly facilitating air charging into the air inlet grooves (5); The sealing cover body (4) is connected with two labyrinth sealing assemblies sleeved on the circumferential outer wall of the brush shaft (201) and reducing liquid overflow from the rack (1), the labyrinth sealing assemblies include A sealing rollers (6) located between the first insertion groove (406) and the second insertion groove (407) and B sealing rollers (7) located between the third insertion groove (408) and the fourth insertion groove (409), the axial positions of the A sealing rollers (6) and the B sealing rollers (7) are provided with cylindrical grooves matched with the brush shaft (201), the A sealing rollers (6) and the B sealing rollers (7) are respectively sleeved on the circumferential outer wall of the two brush shafts (201) through the cylindrical grooves and are fixedly connected with the brush shafts (201), the first insertion groove (406) and the air inlet groove (5) are provided with a first installation groove (410) matched with the outer diameter of the A sealing roller (6), the second insertion groove (407) is provided with a second installation groove (411) matched with the outer diameter of the A sealing roller (6), the third insertion groove (408) is provided with a third installation groove (412) matched with the outer diameter of the B sealing roller (7), the fourth insertion groove (409) is provided with a fourth installation groove (413) matched with the outer diameter of the B sealing roller (7), the middle positions of the circumferential outer walls of the A sealing rollers (6) and the B sealing rollers (7) are provided with annular grooves (8), the flow paths of the liquid on the brush towards the A sealing rollers (6) are A path and B path, and the flow paths of the liquid on the brush towards the B sealing rollers (7) are C path and D path.

2. A brush seal structure for a panel according to claim 1, wherein, The first waist-shaped groove (401) and the second waist-shaped groove (402) are of the same size, the brush shafts (201) are arranged transversely, every two adjacent brush shafts (201) are arranged in a stacked manner in the vertical direction, the brush shaft (201) on the upper side is penetrated through the adjacent sealing cover body (4) through the first waist-shaped groove (401), and the brush shaft (201) on the lower side is penetrated through the adjacent sealing cover body (4) through the second waist-shaped groove (402).

3. A brush seal structure for a panel according to claim 1, wherein, The air inlet assembly comprises an air pump fixedly connected with the rack (1), an output end of the air pump is fixedly provided with a connecting pipe, and one end of the connecting pipe away from the air pump is fixedly connected with the top end of the air inlet groove (5).

4. A brush seal structure for a panel according to claim 1, wherein The A sealing roller (6) and the B sealing roller (7) are fixedly provided with O-rings (9) on the circumferential inner walls of the cylindrical grooves, the O-rings (9) are sleeved on the circumferential outer walls of the brush shafts (201), and the A sealing roller (6) and the B sealing roller (7) are fixedly connected with the brush shafts (201).

5. A brush seal structure for a panel according to claim 1, wherein The rack (1) is fixedly provided with an internal sealing plate (101) and a side plate (102), the internal sealing plate (101) and the side plate (102) are fixedly connected, a plurality of third waist-shaped grooves (10) are formed in the internal sealing plate (101), the side plate (102) and the side wall of the rack (1), the brush shafts (201) are arranged to pass through the internal sealing plate (101) into the sealing cover body (4) through the third waist-shaped grooves (10), the brush shafts (201) pass through the side plate (102) and extend out of the rack (1), both ends of the brush shafts (201) pass through the third waist-shaped grooves (10) and are fixedly connected with the third waist-shaped grooves (10) through rotating shafts, and the upper sealing cover body (403), the middle sealing cover body (404) and the lower sealing cover body (405) are of an integrated structure and are fixedly connected with the side plate (102) through bolts in a detachable manner.

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