Intelligent dust removal device for toilet processing
By combining lifting, rotating, and moving flushing mechanisms, the problem of incomplete cleaning of the bottom pipes of the toilet is solved, achieving thorough cleaning of the toilet and environmental protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LUO YANG HENG YU CERAMICS CO LTD
- Filing Date
- 2025-07-21
- Publication Date
- 2026-07-10
AI Technical Summary
Existing dust removal devices are ineffective at thoroughly cleaning dust and debris from the inner walls of the bottom pipes of toilets, which can easily cause blockages. Furthermore, dust can easily fly around during the cleaning process, affecting the working environment and the health of operators.
A dust removal device for intelligent toilet manufacturing has been designed, comprising a lifting and rotating mechanism, an adjustable spray nozzle mechanism, and a moving flushing mechanism. It can perform high-pressure flushing of the inner wall of the bottom pipe of the toilet and prevent dust from flying through the sealing mechanism, ensuring the overall cleanliness of the toilet.
It achieves thorough cleaning of the bottom pipe of the toilet, prevents blockage, and effectively prevents dust from flying, improving the cleanliness of the processing environment and the health and safety of operators.
Smart Images

Figure CN224475379U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of toilet processing equipment, specifically relating to a dust removal device for intelligent toilet processing. Background Technology
[0002] A toilet is a type of ceramic sanitary ware. Before high-temperature firing, ceramic products are ceramic blanks, the properties of which determine the performance and application of the ceramic product. The preparation of the blank is of paramount importance in the ceramic production process. After the clay blank is shaped and dried, a glazing process is carried out before firing to form a smooth protective layer on the surface of the ceramic clay blank. After the toilet is fired as a whole, a lot of dust and debris will be covered on the surface of the toilet and the inner wall of the bottom pipe. If it is not thoroughly cleaned, it will affect the overall appearance of the toilet and may also affect the smooth flow of the bottom pipe.
[0003] Currently, most smart toilet manufacturers use air blowing or negative pressure suction to remove dust and debris from the toilet surface. However, existing dust removal devices are not suitable for cleaning the entire toilet, and it is difficult to clean the dust and debris adhering to the inner wall of the bottom pipe. This can affect the smooth flow of the bottom pipe and may even cause blockages. In addition, existing dust removal methods can easily cause dust to fly around, polluting the working environment and harming the health of operators. Utility Model Content
[0004] In view of the above situation and to overcome the defects of the prior art, this utility model provides a dust removal device for intelligent toilet processing. This dust removal device can thoroughly flush different parts of the inner wall of the bottom pipe of the toilet, ensuring that the bottom pipe of the toilet is clean and smooth, and preventing blockages caused by incomplete cleaning of the bottom pipe. The moving flushing mechanism can clean and remove dust from various parts of the exterior of the toilet, ensuring that the toilet is clean and tidy overall. The sealing mechanism can prevent dust from flying during cleaning of the toilet and affecting the processing environment, making it more convenient to use when processing the toilet.
[0005] A dust removal device for intelligent toilet manufacturing includes a base and a protective cover. A guide rail is fixedly installed on the upper surface of the base, and a sliding seat is slidably connected to the top of the guide rail. A drive mechanism is provided between the base and the sliding seat to drive the sliding seat to move laterally. A lifting and rotating mechanism is provided on one side of the lower surface of the base, and an adjustable spray pipe mechanism for rinsing the bottom of the toilet is provided inside the lifting and rotating mechanism. The protective cover is fixedly installed on the side of the base near the adjustable spray pipe mechanism, and a sealing mechanism for ensuring overall sealing is provided on the side near the middle of the base. A movable flushing mechanism for rinsing the outside of the toilet is provided at the top of the inside of the protective cover.
[0006] Preferably, the lifting and rotating mechanism includes a first electric push rod, a lifting plate, a rotating plate, a driven gear, a first motor, and a driving gear. There are two first electric push rods, and the fixed ends of both first electric push rods are fixedly installed on the lower surface of the base. The lifting plate is fixedly connected to the movable ends of the two first electric push rods, and the rotating plate is rotatably connected to the upper surface of the lifting plate. A fixed box is fixedly connected to the lower surface of the lifting plate. The driven gear is fixedly connected to the center of the lower surface of the rotating plate and rotatably connected within the fixed box on the lower surface of the lifting plate. The driving gear is connected via a spline to the output end of the first motor and rotatably connected within the fixed box, meshing with the driven gear. The first motor is fixedly installed on the lower surface of the fixed box.
[0007] Preferably, the upper surface of the base has a circular hole for the adjustable nozzle mechanism to pass through at the vertical position corresponding to the lifting and rotating mechanism, the middle of the upper surface of the sliding seat has a through hole that corresponds to the bottom pipe of the toilet, and the center of the lifting plate, the rotating plate and the driven gear all have through holes.
[0008] Preferably, the adjustable spray pipe mechanism includes a spray pipe, a spray head, and a second electric push rod. The spray pipe is vertically inserted into the through hole at the center of the lifting plate, the rotating plate, and the driven gear, and its bottom end passes through the lower surface of the fixed box and communicates with the external pipe. The spray head is fixedly connected to the top of the spray pipe and is positioned above the rotating plate. The fixed end of the second electric push rod is rotatably connected to the side of the rotating plate, and its movable end is hinged to the side of the spray head. The spray head is inserted into the round hole and the through hole.
[0009] Preferably, the mobile rinsing mechanism includes a second motor, a first lead screw, a transverse movable frame, an inverted U-shaped pipe, and nozzles. The first lead screw is connected to the output end of the second motor via a spline and is horizontally rotatably connected to the top of the protective cover. The second motor is fixedly installed on the top of the protective cover on the side away from the sealing mechanism. The transverse movable frame is connected to the outside of the first lead screw via a threaded drive, and the inverted U-shaped pipe is hung on the lower surface of the transverse movable frame. The number of nozzles is several, and the several nozzles are equidistantly fixedly installed on the inner side of the inverted U-shaped pipe.
[0010] Preferably, the driving mechanism includes a third motor, a second lead screw, a lead screw slider, and a guide rod. The second lead screw is connected to the output end of the third motor via a spline and is rotatably connected to the upper surface of the base. The third motor is fixedly installed on the side of the base. The lead screw slider is fixedly connected to the lower surface of the sliding seat and is tractively connected to the outside of the second lead screw. The guide rod is fixedly connected to the upper surface of the base and is arranged parallel to the second lead screw. A guide slider is fixedly connected to the lower surface of the sliding seat at the part corresponding to the guide rod, and the guide slider is slidably connected to the outside of the guide rod.
[0011] Preferably, the sealing mechanism includes a third electric push rod and a sealing plate. The number of the third electric push rods is two, and the fixed ends of the two third electric push rods are vertically fixedly installed on both sides of the protective cover. The sealing plate is vertically inserted through the protective cover on the side away from the second motor, and its two sides are fixedly connected to the movable ends of the two third electric push rods.
[0012] The beneficial effects of the above technical solution are as follows:
[0013] This intelligent toilet processing dust removal device features a lifting and rotating mechanism, an adjustable spray nozzle mechanism, and a moving flushing mechanism. The lifting and rotating mechanism drives the adjustable spray nozzle mechanism to move up and down, allowing it to align with different parts of the toilet's bottom pipe and provide high-pressure flushing to the inner wall of the pipe. The adjustable spray nozzle mechanism also allows for easy adjustment of its tilt angle and can rotate 360° under the influence of the lifting and rotating mechanism, ensuring thorough flushing of different parts of the inner wall of the toilet's bottom pipe, guaranteeing a clean and smooth surface and preventing blockages due to incomplete cleaning. The moving flushing mechanism cleans and removes dust from all external parts of the toilet, ensuring an overall clean and tidy appearance. The enclosed mechanism prevents dust from flying up during cleaning and affecting the processing environment, making it more convenient for use during toilet processing. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the sliding seat of this utility model;
[0016] Figure 3 This is a schematic diagram of the disassembled drive mechanism of this utility model;
[0017] Figure 4 This is a schematic diagram of the protective cover of this utility model;
[0018] Figure 5 This is a schematic diagram of the mobile rinsing mechanism of this utility model;
[0019] Figure 6 This is a schematic diagram of the disassembled mobile rinsing mechanism of this utility model;
[0020] Figure 7 This is a schematic cross-sectional view of the protective cover of this utility model;
[0021] Figure 8 This is a schematic diagram of the lifting and rotating mechanism and the adjustable nozzle mechanism of this utility model;
[0022] Figure 9 This is a cross-sectional schematic diagram of the lifting and rotating mechanism of this utility model.
[0023] In the diagram: 1. Base; 2. Protective cover; 3. Guide rail; 4. Sliding seat; 5. First electric push rod; 6. Lifting plate; 7. Rotating plate; 8. Driven gear; 9. First motor; 10. Drive gear; 11. Fixing box; 12. Spray pipe; 13. Spray head; 14. Second electric push rod; 15. Second motor; 16. First lead screw; 17. Horizontal movable frame; 18. Inverted U-shaped pipe; 19. Spray head; 20. Third motor; 21. Second lead screw; 22. Lead screw slider; 23. Guide rod; 24. Third electric push rod; 25. Sealing plate. Detailed Implementation
[0024] The foregoing and other technical contents, features and effects of this utility model are described in conjunction with the appendix below. Figures 1 to 9 The embodiments are described in detail below.
[0025] This embodiment provides a dust removal device for the processing of intelligent toilet seats, as shown in the attached document. Figure 1-9 As shown, the device includes a base 1 and a protective cover 2. A guide rail 3 is fixedly mounted on the upper surface of the base 1, and a sliding seat 4 is slidably connected to the top of the guide rail 3. There are two guide rails 3, each fixedly connected to one side of the upper surface of the base 1 and arranged parallel to each other. A drive mechanism is provided between the base 1 and the sliding seat 4 to drive the sliding seat 4 to move laterally. The drive mechanism includes a third motor 20, a second lead screw 21, a lead screw slider 22, and a guide rod 23. The second lead screw 21 is splined to the output end of the third motor 20 and rotatably connected to the upper surface of the base 1. The third motor 20 is fixedly mounted on the side of the base 1, and the lead screw slider 22 is fixedly connected to the upper surface of the base 1. The lower surface of the sliding seat 4 is connected to the outside of the second lead screw 21. The guide rod 23 is fixedly connected to the upper surface of the base 1 and is arranged parallel to the second lead screw 21. The lower surface of the sliding seat 4 is fixedly connected to the guide slider corresponding to the guide rod 23, and the guide slider is slidably connected to the outside of the guide rod 23. When the third motor 20 drives the second lead screw 21 to rotate, it can drive the lead screw slider 22 outside it to move laterally, thereby driving the sliding seat 4 to move laterally along the guide rail 3. The operator can place the toilet that needs to be dusted on the sliding seat 4, and the drive mechanism can drive the toilet to move into the protective cover 2. After the dusting is completed, the toilet can be pushed out again.
[0026] A lifting and rotating mechanism is provided on one side of the lower surface of the base 1. This mechanism includes a first electric push rod 5, a lifting plate 6, a rotating plate 7, a driven gear 8, a first motor 9, and a driving gear 10. There are two first electric push rods 5, and the fixed ends of both first electric push rods 5 are fixedly installed on the lower surface of the base 1. The lifting plate 6 is fixedly connected to the movable ends of the two first electric push rods 5, and the rotating plate 7 is rotatably connected to the upper surface of the lifting plate 6. The two first electric push rods 5 move synchronously, driving the lifting plate 6 to rise and fall, thereby adjusting the height of the adjustable nozzle mechanism above. A fixed box 11 is fixedly connected to the lower surface of the toilet. The driven gear 8 is fixedly connected to the center of the lower surface of the rotating plate 7 and rotatably connected to the fixed box 11 on the lower surface of the lifting plate 6. The driving gear 10 is connected to the output end of the first motor 9 through a spline and rotatably connected to the fixed box 11 and meshes with the driven gear 8. The first motor 9 is fixedly installed on the lower surface of the fixed box 11. The first motor 9 drives the driving gear 10 to rotate, which can drive the driven gear 8 and the rotating plate 7 to rotate, thereby driving the adjustable spray pipe mechanism on the rotating plate 7 to rotate, so that the adjustable spray pipe mechanism can fully flush the inner wall of the bottom pipe of the toilet.
[0027] The upper surface of the base 1 has a circular hole corresponding to the vertical position of the lifting and rotating mechanism for the adjustable spray nozzle mechanism to pass through. The middle of the upper surface of the sliding seat 4 has a through hole that corresponds to the bottom pipe of the toilet. When the toilet is placed on the sliding seat 4, the bottom pipe of the toilet can be aligned with the through hole to ensure that the adjustable spray nozzle mechanism below can flush the inner wall of the pipe. The lifting plate 6, the rotating plate 7 and the driven gear 8 all have through holes at their centers, and the water spray pipe 12 passes through the through holes. The upper surface of the base 1 on the side inside the protective cover 2 and the upper surface of the sliding seat 4 both have water permeable holes to facilitate the flushing water to pass through the water permeable holes and flow to the bottom of the device. A collection container can be set on the lower side of the base 1 near the protective cover 2 to collect the flushing water.
[0028] The lifting and rotating mechanism is internally equipped with an adjustable spray pipe mechanism for flushing the bottom of the toilet bowl. The adjustable spray pipe mechanism includes a spray pipe 12, a spray head 13, and a second electric push rod 14. The spray pipe 12 is vertically inserted into the through-holes at the center of the lifting plate 6, rotating plate 7, and driven gear 8, with its bottom end passing through the lower surface of the fixed box 11 and communicating with an external pipe. Flushing water can be introduced into the spray pipe 12 through the external pipe and sprayed out from the spray head 13. The spray head 13 is fixedly connected to the top of the spray pipe 12 and positioned above the rotating plate 7. The fixed end of the second electric push rod 14 is rotatably connected to the side of the rotating plate 7, and its movable end is hinged to the side of the spray head 13. The spray head 13 passes through a round hole and a through hole. In the initial state, the movable end of the first electric push rod 5 is in the deep position, placing the adjustable spray pipe mechanism at its lowest point to avoid affecting the sliding mechanism. The horizontal movement of the sliding seat 4 causes the spray head 13 to face diagonally upwards. After the operator places the toilet on the sliding seat 4 and drives the toilet into the protective cover 2 through the drive mechanism, the bottom pipe of the toilet is adjusted to the position corresponding vertically to the round hole on the base 1. Then, the adjustable spray pipe mechanism is raised to a position close to the bottom pipe of the toilet through the lifting and adjusting mechanism. Water is sprayed outwards through the external pipe by the spray head 13. At the same time, the first motor 9 is run, which drives the rotating plate 7 to rotate 360° clockwise and counterclockwise through the drive gear 10 and the driven gear 8, so that the spray head 13 can rinse the inner wall of the pipe in a circumferential manner. At the same time, the second electric push rod 14 can adjust the tilt angle of the spray head 13 to facilitate rinsing of different depths of the pipe, ensuring that the bottom pipe of the toilet is thoroughly cleaned and that the inside of the toilet pipe is kept clean.
[0029] The protective cover 2 is fixedly installed on the side of the base 1 near the adjustable spray nozzle mechanism, and a sealing mechanism is provided on the side of the base 1 near the middle to ensure overall sealing. The sealing mechanism includes a third electric push rod 24 and a sealing plate 25. There are two third electric push rods 24, and the fixed ends of the two third electric push rods 24 are vertically fixed on both sides of the protective cover 2. The sealing plate 25 is vertically inserted on the side of the protective cover 2 away from the second motor 15, and its two sides are fixedly connected to the movable ends of the two third electric push rods 24. When the sliding seat 4 moves the toilet into the protective cover 2, the sealing plate 25 can be moved downward by the third electric push rod 24, so that the sealing plate 25 blocks the inlet of the protective cover 2, thereby covering the toilet inside the protective cover 2, which can effectively prevent dust from flying during cleaning.
[0030] The top of the interior of the protective cover 2 is equipped with a movable flushing mechanism for rinsing the exterior of the toilet. This movable flushing mechanism includes a second motor 15, a first lead screw 16, a transverse movable frame 17, an inverted U-shaped pipe 18, and a nozzle 19. The first lead screw 16 is splined to the output end of the second motor 15 and is horizontally rotatably connected to the top of the interior of the protective cover 2. The second motor 15 is fixedly installed on the top of the protective cover 2 on the side away from the sealing mechanism. Support rods for supporting the transverse movable frame 17 are fixedly connected to both sides of the top of the interior of the protective cover 2. Both support rods are parallel to the first lead screw 16 and on the same horizontal plane. The two ends of the transverse movable frame 17 are slidably connected to the outside of the two support rods, providing support and guidance to ensure horizontal movement of the transverse movable frame 17. The inverted U-shaped pipe 18 is connected to the outside of the first lead screw 16 via a threaded drive and is hung on the lower surface of the horizontal movable frame 17. The water inlet end of the inverted U-shaped pipe 18 can be connected to an external water supply pipe, and water is supplied to the inverted U-shaped pipe 18 through the external pipe. There are several nozzles 19, and several nozzles 19 are fixedly installed at equal intervals on the inside of the inverted U-shaped pipe 18. When the second motor 15 drives the first lead screw 16 to rotate, it can drive the horizontal movable frame 17 to move horizontally back and forth, thereby driving the inverted U-shaped pipe 18 below to move outside the toilet. Water is supplied to the inverted U-shaped pipe 18 through the external pipe, and can be sprayed from each nozzle 19 to the sides and top of the toilet. As the horizontal movable frame 17 moves, it washes the entire exterior of the toilet, washing away external dust and debris, ensuring that the toilet is clean.
[0031] The first electric push rod 5, the first motor 9, the second electric push rod 14, the second motor 15, the third motor 20, and the third electric push rod 24 are all electrically connected to the external control unit and are all electrically connected to the external circuit through wires.
[0032] In summary, the dust removal device for the processing of this intelligent toilet seat has the following operating steps:
[0033] 1. The operator can place the toilet that needs dust removal on the sliding seat 4, and the drive mechanism will move the toilet into the protective cover 2. Align the pipe at the bottom of the toilet with the through hole to ensure that the adjustable spray pipe mechanism below can flush the inner wall of the pipe.
[0034] 2. Then, the third electric push rod 24 drives the sealing plate 25 to move downward, so that the sealing plate 25 blocks the inlet of the protective cover 2, thereby covering the toilet inside the protective cover 2.
[0035] 3. Next, the adjustable spray nozzle mechanism is raised to a position close to the bottom pipe of the toilet via the lifting and adjusting mechanism. Water is sprayed outward through the external pipe by the spray nozzle 13. At the same time, the first motor 9 is activated, which drives the rotating plate 7 to rotate 360° clockwise and counterclockwise through the driving gear 10 and the driven gear 8. This allows the spray nozzle 13 to rinse the inner wall of the pipe in a circumferential manner. Meanwhile, the second electric push rod 14 can adjust the tilt angle of the spray nozzle 13 to facilitate rinsing of different depths of the pipe and ensure thorough cleaning of the bottom pipe of the toilet.
[0036] 4. At the same time, the second motor 15 drives the first lead screw 16 to rotate, causing the horizontal movable frame 17 to move horizontally back and forth, driving the inverted U-shaped pipe 18 below to move outside the toilet. Water is supplied to the inverted U-shaped pipe 18 through the external pipe, and sprayed from each nozzle 19 to the sides and top of the toilet. As the horizontal movable frame 17 moves, the entire exterior of the toilet is flushed, washing away dust and debris.
[0037] The above description is only for illustrating the present utility model. It should be understood that the present utility model is not limited to the above embodiments, and various modifications that conform to the concept of the present utility model are within the protection scope of the present utility model.
Claims
1. A dust removal device for processing intelligent toilet seats, comprising a base (1) and a protective cover (2), characterized in that: The upper surface of the base (1) is fixedly mounted with a guide rail (3) and the top of the guide rail (3) is slidably connected with a sliding seat (4). A drive mechanism that can drive the sliding seat (4) to move laterally is provided between the base (1) and the sliding seat (4). A lifting and rotating mechanism is provided on one side of the lower surface of the base (1) and an adjustable spray pipe mechanism that can flush the bottom of the toilet is provided inside the lifting and rotating mechanism. The protective cover (2) is fixedly installed on the side of the base (1) near the adjustable spray pipe mechanism and a sealing mechanism that can ensure the overall sealing is provided on the side of the base (1) near the middle. A movable flushing mechanism that can flush the outside of the toilet is provided at the top of the inside of the protective cover (2).
2. The dust removal device for intelligent toilet manufacturing according to claim 1, characterized in that: The lifting and rotating mechanism includes a first electric push rod (5), a lifting plate (6), a rotating plate (7), a driven gear (8), a first motor (9), and a driving gear (10). There are two first electric push rods (5), and the fixed ends of the two first electric push rods (5) are fixedly installed on the lower surface of the base (1). The lifting plate (6) is fixedly connected to the movable ends of the two first electric push rods (5), and the rotating plate (7) is rotatably connected to the upper surface of the lifting plate (6). A fixed box (11) is fixedly connected to the lower surface of the lifting plate (6). The driven gear (8) is fixedly connected to the center of the lower surface of the rotating plate (7) and rotatably connected to the fixed box (11) on the lower surface of the lifting plate (6). The driving gear (10) is connected to the output end of the first motor (9) through a spline and rotatably connected to the fixed box (11) and meshes with the driven gear (8). The first motor (9) is fixedly installed on the lower surface of the fixed box (11).
3. The dust removal device for intelligent toilet manufacturing according to claim 2, characterized in that: The upper surface of the base (1) is provided with a circular hole for the adjustable nozzle mechanism to pass through at the part corresponding to the vertical lifting and rotating mechanism. The middle part of the upper surface of the sliding seat (4) is provided with a through hole that corresponds to the bottom pipe of the toilet. The center of the lifting plate (6), the rotating plate (7) and the driven gear (8) are all provided with through holes.
4. The dust removal device for intelligent toilet manufacturing according to claim 3, characterized in that: The adjustable spray pipe mechanism includes a water spray pipe (12), a water spray head (13), and a second electric push rod (14). The water spray pipe (12) is vertically inserted into the through hole at the center of the lifting plate (6), the rotating plate (7), and the driven gear (8), and its bottom end passes through the lower surface of the fixed box (11) and communicates with the external pipe. The water spray head (13) is fixedly connected to the top of the water spray pipe (12) and is set above the rotating plate (7). The fixed end of the second electric push rod (14) is rotatably connected to the side of the rotating plate (7), and its movable end is hinged to the side of the water spray head (13). The water spray head (13) is inserted into the round hole and the through hole.
5. The dust removal device for intelligent toilet manufacturing according to claim 1, characterized in that: The mobile rinsing mechanism includes a second motor (15), a first lead screw (16), a transverse movable frame (17), an inverted U-shaped pipe (18), and nozzles (19). The first lead screw (16) is connected to the output end of the second motor (15) by a spline and is horizontally rotatably connected to the top of the protective cover (2). The second motor (15) is fixedly installed on the top of the protective cover (2) away from the closing mechanism. The transverse movable frame (17) is connected to the outside of the first lead screw (16) by a threaded drive, and the inverted U-shaped pipe (18) is hung on the lower surface of the transverse movable frame (17). The number of nozzles (19) is several, and several nozzles (19) are fixedly installed at equal intervals on the inside of the inverted U-shaped pipe (18).
6. The dust removal device for intelligent toilet manufacturing according to claim 1, characterized in that: The driving mechanism includes a third motor (20), a second lead screw (21), a lead screw slider (22), and a guide rod (23). The second lead screw (21) is connected to the output end of the third motor (20) via a spline and is rotatably connected to the upper surface of the base (1). The third motor (20) is fixedly installed on the side of the base (1). The lead screw slider (22) is fixedly connected to the lower surface of the sliding seat (4) and is driven to the outside of the second lead screw (21). The guide rod (23) is fixedly connected to the upper surface of the base (1) and is arranged parallel to the second lead screw (21). A guide slider is fixedly connected to the lower surface of the sliding seat (4) at the part corresponding to the guide rod (23), and the guide slider is slidably connected to the outside of the guide rod (23).
7. A dust removal device for intelligent toilet manufacturing according to claim 5, characterized in that: The sealing mechanism includes a third electric push rod (24) and a sealing plate (25). There are two third electric push rods (24), and the fixed ends of the two third electric push rods (24) are vertically fixed on both sides of the protective cover (2). The sealing plate (25) is vertically inserted on the side of the protective cover (2) away from the second motor (15) and is fixedly connected to the movable ends of the two third electric push rods (24) on both sides.