Folding toilet stool

Abstract

The invention belongs to the field of sanitary product equipment, and particularly relates to a folding toilet stool which comprises a flushing tank, a rack, a toilet ring, a driving mechanism and a flushing handle, the toilet ring is arranged above a squatting pot, the rear portion of the toilet ring is connected with the rack through a first rotating shaft, and the first rotating shaft is horizontally arranged in the left-right direction; a vertical supporting rod is arranged below the front portion of the toilet seat, the upper end of the supporting rod is hinged to the toilet seat, the middle of the supporting rod is hinged to the rear rack through a first connecting rod, the balance weight is connected with a second rotating shaft through a second connecting rod, and the movable water tank is connected with a third rotating shaft through a third connecting rod. Transmission devices are arranged between the first rotating shaft and the second rotating shaft and between the second rotating shaft and the third rotating shaft, and the flushing handle controls the flushing valve to be opened and closed. The toilet seat can be automatically placed and folded, weak old people can be helped to sit on the squatting pan, and the toilet seat has the advantages of being simple in structure, convenient to operate, safe and practical.

Description

Technical Field

[0001] The invention belongs to the field of bathroom products and equipment, and in particular relates to a foldable toilet stool. Background Art

[0002] Squat toilets have been used as toilet equipment in urban families. In special circumstances, when squatting is difficult, people put a toilet stool on the squat toilet and take it away after defecation. Placing and removing the toilet stool is also difficult for some elderly people, and sometimes even a dangerous operation. There are foldable toilet stools on the market, but they need to be folded and placed by hand, which is troublesome to operate. Therefore, it is necessary to develop an automatically foldable toilet stool. Summary of the invention

[0003] The purpose of the present invention is to provide a foldable toilet stool with simple structure and easy operation, so as to facilitate special people in the family to use the squat toilet.

[0004] The technical solution for achieving the above-mentioned purpose includes the following contents.

[0005] A foldable toilet stool comprises a flush tank and a frame, wherein the frame is arranged at the rear of a squatting pit, the flush tank is arranged at the top of the frame, the flush tank is provided with a first drainage button for controlling a first drainage valve arranged at the bottom of the flush tank, and further comprises a toilet seat, a driving mechanism and a flushing handle, the toilet seat is arranged above the squatting pit, and the rear part of the toilet seat is connected to the frame through a first rotating shaft, the first rotating shaft is arranged horizontally in the left and right directions, a vertical support rod is arranged at the lower front part of the toilet seat, the upper end of the support rod is hinged with the toilet seat, the middle part of the support rod is hinged with the rear frame through a first connecting rod, the first connecting rod is parallel to the plane of the toilet seat, and the length of the first connecting rod is based on the direction of the support rod not changing when the toilet seat rotates up and down around the first rotating shaft. The driving mechanism includes a second rotating shaft, a third rotating shaft, a counterweight, a movable water tank, a drain pipe, a soft water pipe, a transmission device, and an exhaust hose. The drainage pipe is arranged vertically, the upper part of the drainage pipe is connected to the first drainage valve through a pipeline, and the lower end of the drainage pipe is provided with a flushing valve, which is connected to the squat pit water inlet pipe. The second and third rotating shafts are arranged horizontally on the frame, and the third rotating shaft is arranged above the second rotating shaft. The counterweight is connected to the second rotating shaft via a second connecting rod. The movable water tank is arranged below the flushing tank and is connected to the third rotating shaft through a third connecting rod. An exhaust hole is arranged on the top of the movable water tank and a water inlet is arranged on the bottom. One end of the soft water pipe is connected to the middle of the drain pipe, and the other end is connected to the water inlet. The upper end of the exhaust hose is fixed to the top of the frame, and the lower end is connected to the exhaust hole. The transmission device is used to transmit rotational kinetic energy. A transmission device is provided between the first rotating shaft and the second rotating shaft, and between the second rotating shaft and the third rotating shaft. The flushing handle is arranged on the frame and connected to the flushing valve, and is used for controlling the flushing valve switch.

[0006] Furthermore, the flush tank is also provided with a second drain button, and a second drain valve is provided at the bottom of the flush tank. The second drain button is used to control the second drain valve, and the second drain valve is connected to the squat pit water inlet pipe through a pipe. This arrangement ensures the flushing function when the toilet stool is folded.

[0007] Furthermore, the second and third rotating shafts are both arranged along the front-rear direction.

[0008] Furthermore, a buffer pad is provided at the bottom end of the support rod, which can reduce the vibration when the folding stool is unfolded and falls to the ground, thereby increasing the service life of the equipment.

[0009] Furthermore, the transmission device includes a winch and a pull rope, the first rotating shaft is arranged below the second rotating shaft, and concentric winches are fixedly installed on the first, second and third rotating shafts, and the pull rope is wound on the winch. The winches on the first and second rotating shafts are connected by the pull rope, and the winches on the second and third rotating shafts are connected by the pull rope.

[0010] Furthermore, the transmission device includes a winch, a pull rope and a transmission gear, the first and second rotating shafts are provided with matching meshing transmission gears, the second and third rotating shafts are both fixedly mounted with concentric winches, the pull rope is wound around the winch, and the winches on the second and third rotating shafts are connected by the pull rope, which is conducive to reducing the height of the frame.

[0011] Furthermore, the first and second rotating shafts are perpendicular to each other, and the transmission gear is a bevel gear.

[0012] Furthermore, the transmission device is a gear mechanism, the third connecting rod comprises two parallel connecting rods of equal length, the two ends of the upper connecting rod are respectively hinged to the movable water tank and the frame, one end of the lower connecting rod is connected to the third rotating shaft, and the other end is hinged to the movable water tank, the second and third rotating shafts are arranged in parallel and perpendicular to the first rotating shaft, the ends of the first and second rotating shafts are provided with matching meshing bevel gears, and the second and third rotating shafts are provided with matching meshing transmission gears. The height of the frame can be further reduced, and the overall volume can be reduced.

[0013] Furthermore, the top of the drain pipe is open. When flushing, air enters from the open hole, which is conducive to quickly draining the water in the movable water tank into the squatting pit, thereby increasing the flushing force.

[0014] Furthermore, a second water tank is included, which is arranged on the top of the frame, the upper part of the second water tank is open, and the top end of the drain pipe is the drain port of the second water tank. The second water tank can be arranged to cooperate with the movable water tank, and the flushing water volume is divided into two water tanks, which reduces the volume of the movable water tank and increases the flushing force.

[0015] The foldable toilet stool provided by the present invention is based on the existing flush tank structure. When not in use, the counterweight is in a low position, the toilet ring is in a retracted (vertical) state, and the movable water tank (without water in the tank) is in a high position. When it is needed, the first drainage button is pressed, and the water in the flush tank enters the movable water tank (the flush tank is automatically replenished with water after drainage). When the weight of the movable water tank increases enough to overcome the traction of the counterweight, the movable water tank descends, the third rotating shaft drives the second rotating shaft to rotate, the second rotating shaft drives the first rotating shaft to rotate, the counterweight swings up, and the toilet ring swings down. When the bottom end of the support rod touches the ground, the toilet ring is horizontally erected above the squat toilet. After using the toilet, the flush handle is pulled, the water in the movable water tank enters the squat toilet for flushing, the weight of the movable water tank is reduced, the counterweight swings down, the second rotating shaft rotates, driving the first and third rotating shafts to rotate, the movable water tank and the toilet ring swing up, and when the toilet ring is blocked by the frame and cannot swing backward, the movable water tank reaches the upper stop point, and the counterweight also stops descending.

[0016] In the present invention, the support rod, the first connecting rod, the toilet seat and the frame form a parallel four-bar linkage. When the toilet seat is swung upward, the support rod rises along with it (with the direction unchanged) and simultaneously moves toward the rear (frame), thereby freeing up the space above the squat toilet, making it convenient for normal people to use the squat toilet.

[0017] The toilet stool of the present invention utilizes the water storage energy of the original flushing tank to automatically place and fold the toilet seat ring, which can help frail elderly people to sit on the squat toilet without hindering normal people from using it. It has the advantages of simple structure, easy operation, safety and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the foldable toilet stool of Example 1; Figure 2 and Figure 3 It is a schematic diagram of the operation principle of the foldable toilet stool in embodiment 1 when it is folded and in use; Figure 4 It is a partial structural diagram of the foldable toilet stool of Example 2; Figure 5 This is a schematic diagram of the partial structure of the foldable toilet stool of Example 3.

[0019] In the figure, 1. squat toilet; 1-1. squat toilet water inlet pipe; 2. frame; 3. flush tank; 3-1. first drain button; 3-2. second drain button; 4. toilet seat; 4-1. first rotating shaft; 4-2. first connecting rod; 4-3. support rod; 5. movable water tank; 5-1. third rotating shaft; 5-2. third connecting rod; 6. counterweight; 6-1. second rotating shaft; 6-2. second connecting rod; 7. drain pipe; 7-1. open mouth; 8. soft water pipe; 9. exhaust hose; 10. flush handle; 11. winch; 12. pull rope; 13. second water tank; 14. bevel gear. DETAILED DESCRIPTION

[0020] The present invention is specifically described below with reference to the embodiments.

[0021] Example 1, see Figures 1 to 3 A foldable toilet stool comprises a flush tank 3, a frame 2, a toilet seat 4, a flush handle 10 and a driving mechanism. A first drainage button 3-1 and a second drainage button 3-2 are provided on the top of the flush tank 3 to respectively control the first and second drainage valves provided at the bottom of the flush tank 3. The second drainage valve is connected to the squatting pit water inlet pipe 1-1 through a pipeline. The second drainage valve ensures the flushing function when the toilet stool is folded.

[0022] The frame 2 is arranged at the rear of the squatting pit 1, the flush tank 3 is arranged at the top of the frame 2, the toilet seat 4 is arranged above the squatting pit 1, and its rear part is connected to the frame 2 through the first rotating shaft 4-1, the first rotating shaft 4-1 is arranged horizontally in the left and right direction, and a vertical support rod 4-3 is arranged at the lower front part of the toilet seat 4, the upper end of the support rod 4-3 is hinged with the toilet seat 4, and the middle part of the support rod 4-3 is hinged with the rear frame 2 through the first connecting rod 4-2, the first connecting rod 4-2 is parallel to the plane of the toilet seat 4, and the length of the first connecting rod 4-2 is based on the direction of the support rod 4-3 not changing when the toilet seat 4 rotates up and down around the first rotating shaft 4-1. The driving mechanism includes a second rotating shaft 6-1, a third rotating shaft 5-1, a counterweight 6, a movable water tank 5, a drain pipe 7, a soft water pipe 8, a transmission device, and an exhaust hose 9. The drain pipe 7 is vertically arranged, and the upper part of the drain pipe 7 is connected to the first drain valve through a pipeline. In this embodiment, an opening 7-1 is provided at the top of the drain pipe 7, and the opening 7-1 is connected to the bottom of the second water tank 13 arranged on the top of the frame 2. The upper part of the second water tank 13 is open, and a flush valve is provided at the lower end of the drain pipe 7. The flush valve is connected to the squat pit water inlet pipe 1-1, and the flush handle 10 is connected to the flush valve The second and third rotating shafts are horizontally arranged on the frame 2, the first, second and third rotating shafts are arranged from bottom to top, the second and third rotating shafts are arranged along the front-back direction, the counterweight 6 is connected to the second rotating shaft 6-1 through the second connecting rod 6-2, the movable water tank 5 is arranged below the flush tank 3 and connected to the third rotating shaft 5-1 through the third connecting rod 5-2, the top of the movable water tank 5 is provided with an exhaust hole, and the bottom thereof is provided with a water inlet, the second and third connecting rods are vertically connected to the second and third rotating shafts respectively, one end of the soft water pipe 8 is connected to the middle of the drain pipe 7, and the other end is connected to the water inlet of the movable water tank 5, The upper end of the exhaust hose 9 is fixed on the top of the frame 2, and the lower end thereof is connected to the exhaust hole. The transmission device includes a winch 11 and a pull rope 12. Concentric winches 11 are fixedly installed on the first, second and third rotating shafts, and the pull rope 12 is coiled on the winch 11. The winches on the first and second rotating shafts are connected by the pull rope, and the winches on the second and third rotating shafts are connected by the pull rope.

[0023] The foldable toilet stool has a folded state and a use state. In the folded state, see Figure 2 , the counterweight 6 drops to the lowest position, and the pull rope 12 transfers its gravity to the winch 11 of the third rotating shaft 5-1 and the first rotating shaft 4-1, so that the toilet seat 4 remains in a vertical state, and the movable water tank 5 is in the highest position. When it is needed, the first drainage button 3-1 is pressed, and the water in the flush tank 3 enters the movable water tank 5 (the flush tank 3 is automatically replenished after drainage), and the air in the movable water tank 5 is discharged through the exhaust hose 9. When the gravity of the movable water tank 5 increases to be sufficient to counterbalance the counterweight 6, the movable water tank 5 drops, and the pull rope 12 pulls the second rotating shaft 6-1 and the first rotating shaft 4-1 to rotate, the counterweight 6 rises, and the toilet seat 4 swings down. When the bottom end of the support rod 4-3 touches the ground, the toilet seat 4 is parallel to the ground to form a toilet stool, see Figure 3 After using the toilet, the flush handle 10 is pulled, and the water in the movable water tank 5 enters the squatting pit 1 through the flush valve to complete the flushing. After the water in the movable water tank 5 flows out, the weight reduction is not enough to counterbalance the counterweight 6, and the counterweight 6 begins to drop. The pull rope 12 pulls the first and third rotating shafts to rotate, and the movable water tank 5 and the toilet seat 4 both rise until the counterweight 6 drops to the lowest position, and the toilet seat 4 is in a vertical state, completing the folding of the toilet stool.

[0024] Example 2, see Figure 4The difference between the structure of this embodiment and that of the first embodiment lies in the transmission device. In this embodiment, the transmission device between the first and second rotating shafts is driven by a bevel gear 14. The ends of the first and second rotating shafts are provided with matching meshing bevel gears 14. The transmission device between the second and third rotating shafts is the same as that of the first embodiment. The working principle can refer to that of the first embodiment. In this embodiment, the first and second rotating shafts can be arranged at the same height to reduce the height of the frame 3, which is beneficial to reducing the space volume of the entire toilet stool.

[0025] Example 3, see Figure 5 The difference between the structure of this embodiment and that of the first embodiment lies in the transmission device and the third connecting rod structure and the related connection relationship. The transmission device of this embodiment is all gear mechanism. The third connecting rod 5-2 includes two upper and lower parallel connecting rods of equal length. The two ends of the upper connecting rod are respectively hinged to the movable water tank 5 and the frame 2. One end of the lower connecting rod is connected to the third rotating shaft 5-1, and the other end is hinged to the movable water tank 5. The second and third rotating shafts are arranged in parallel and perpendicular to the first rotating shaft 4-1. The ends of the first and second rotating shafts are provided with matching meshing bevel gears 14. The second and third rotating shafts are provided with matching meshing transmission gears. The working principle can refer to the first embodiment. The upper and lower parallel and equal length two connecting rods and the movable water tank 5 and the frame 2 constitute a parallel four-bar linkage mechanism, which ensures that the movable water tank 5 can be translated up and down. This embodiment can further reduce the height of the frame 2 and reduce the overall volume.

[0026] The foldable toilet stool of the present invention utilizes the potential energy of water stored in the movable water tank 5, transmits rotational energy between the first, second and third rotating shafts, drives the parallel four-bar linkage to deform, and ensures that the toilet stool can be folded upward and unfolded downward for use, so that the frail elderly can use the toilet stool safely and conveniently. It has the advantages of simple structure and easy operation, and the water stored in the flushing water tank 3 is utilized twice, without the need for electric equipment, has strong working reliability, and is more energy-saving and environmentally friendly.

Claims

1. A foldable toilet stool, comprising a flush tank and a frame, wherein the frame is arranged at the rear of a squatting pit, the flush tank is arranged on the top of the frame, the flush tank is provided with a first drainage button for controlling a first drainage valve arranged at the bottom of the flush tank, characterized in that: The toilet seat also includes a toilet seat, a driving mechanism and a flushing handle. The toilet seat is arranged above the squatting pit, and the rear part thereof is connected to the frame through a first rotating shaft. The first rotating shaft is arranged horizontally in the left-right direction. A vertical support rod is arranged below the front part of the toilet seat. The upper end of the support rod is hinged with the toilet seat, and the middle part of the support rod is hinged with the frame at the rear through a first connecting rod. The first connecting rod is parallel to the plane of the toilet seat, and the length of the first connecting rod is based on the direction of the support rod not changing when the toilet seat rotates up and down around the first rotating shaft. The driving mechanism includes a second rotating shaft, a third rotating shaft, a counterweight, a movable water tank, a drain pipe, a soft water pipe, a transmission device, and an exhaust hose. The drainage pipe is arranged vertically, the upper part of the drainage pipe is connected to the first drainage valve through a pipeline, and the lower end of the drainage pipe is provided with a flushing valve, which is connected to the squat pit water inlet pipe. The second and third rotating shafts are arranged horizontally on the frame, and the third rotating shaft is arranged above the second rotating shaft. The counterweight is connected to the second rotating shaft via a second connecting rod. The movable water tank is arranged below the flushing tank and is connected to the third rotating shaft through a third connecting rod. An exhaust hole is arranged on the top of the movable water tank and a water inlet is arranged on the bottom. One end of the soft water pipe is connected to the middle of the drain pipe, and the other end is connected to the water inlet. The upper end of the exhaust hose is fixed to the top of the frame, and the lower end is connected to the exhaust hole. The transmission device is used to transmit rotational kinetic energy. A transmission device is provided between the first rotating shaft and the second rotating shaft, and between the second rotating shaft and the third rotating shaft. The flushing handle is arranged on the frame and connected to the flushing valve, and is used for controlling the flushing valve switch.

2. The foldable toilet stool according to claim 1, characterized in that: The flush tank is also provided with a second drain button, and a second drain valve is provided at the bottom of the flush tank. The second drain button is used to control the second drain valve, and the second drain valve is connected to the squat pit water inlet pipe through a pipeline.

3. The foldable toilet stool according to claim 1, characterized in that: The second and third rotating shafts are both arranged along the front-rear direction.

4. The foldable toilet stool according to claim 1, characterized in that: A buffer pad is arranged at the bottom end of the support rod.

5. The foldable toilet stool according to claim 1, characterized in that: The transmission device includes a winch and a pull rope. The first rotating shaft is arranged below the second rotating shaft. Concentric winches are fixedly installed on the first, second and third rotating shafts. The pull rope is wound on the winch. The winches on the first and second rotating shafts are connected by the pull rope, and the winches on the second and third rotating shafts are connected by the pull rope.

6. The foldable toilet stool according to claim 1, characterized in that: The transmission device includes a winch, a pull rope and a transmission gear. The first and second rotating shafts are provided with matching meshing transmission gears. The second and third rotating shafts are fixedly installed with concentric winches, the pull rope is coiled on the winch, and the winches on the second and third rotating shafts are connected by the pull rope.

7. The foldable toilet stool according to claim 6, characterized in that: The first and second rotating shafts are perpendicular to each other, and the transmission gear is a bevel gear.

8. The foldable toilet stool according to claim 1, characterized in that: The transmission device is a gear mechanism, and the third connecting rod includes two parallel and equal-length connecting rods, the two ends of the upper connecting rod are respectively hinged to the movable water tank and the frame, one end of the lower connecting rod is connected to the third rotating shaft, and the other end is hinged to the movable water tank, the second and third rotating shafts are arranged in parallel and perpendicular to the first rotating shaft, the ends of the first and second rotating shafts are provided with matching meshing bevel gears, and the second and third rotating shafts are provided with matching meshing transmission gears.

9. The foldable toilet stool according to claim 1, characterized in that: The top end of the drain pipe is open.

10. The foldable toilet stool according to claim 9, characterized in that: It also includes a second water tank, which is arranged on the top of the frame, the upper part of the second water tank is open, and the top port of the drain pipe is the drain port of the second water tank.

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