阅读说明：本技术 一种气动粪便中转装置 (Pneumatic excrement transfer device ) 是由 薛文涛 于 2019-09-26 设计创作，主要内容包括：本发明公开一种气动粪便中转装置,包括底框、环柱、主风管和网板,底框设置在粪便排管内,并可绕着粪便排管的径向线转动,其腔室中心处具有环筒,环柱圆周内壁具有套设在环筒外壁的支撑部件和多个旋转叶片,环筒限定支撑部件的纵向位置,多个旋转叶片呈圆周排列,主风管从底框的底部穿入,从圆筒的顶部穿出,并区分为分风管一和分风管二,本发明通过主风管和环柱动作,为网板上的粪便提供径向力和纵向力,通过径向力和纵向力的共同作用,使粪便彻底的从网板上脱离进入到粪便处理器中,保证网板的干净清洁,进而克服了粪便在网板上堆积,使粪便中转装置与粪便排管产生摩擦和细菌在网板上滋生,造成翻转困难和产生二恶臭气味的问题。(The invention discloses a pneumatic excrement transfer device, which comprises a bottom frame, a ring column, a main air pipe and a screen plate, wherein the bottom frame is arranged in an excrement discharge pipe and can rotate around a radial line of the excrement discharge pipe, a ring cylinder is arranged at the center of a cavity, the circumferential inner wall of the ring column is provided with a supporting part and a plurality of rotating blades, the supporting part and the rotating blades are sleeved on the outer wall of the ring cylinder, the ring cylinder limits the longitudinal position of the supporting part, the rotating blades are arranged in a circumferential manner, the main air pipe penetrates through the bottom of the bottom frame and penetrates out of the top of the cylinder, and is divided into a first air distribution pipe and a second air distribution pipe. Causing difficulty in turning and the generation of malodorous smells.)

1. A pneumatic excrement transfer device is characterized by comprising:

the bottom frame is arranged in the excrement discharge pipe and can rotate around the radial line of the excrement discharge pipe, and a ring cylinder is arranged at the center of a cavity of the bottom frame;

the circumferential inner wall of the ring column is provided with a supporting part sleeved on the outer wall of the ring cylinder and a plurality of rotating blades, the ring cylinder limits the longitudinal position of the supporting part, and the plurality of rotating blades are arranged circumferentially;

the main air pipe penetrates from the bottom of the bottom frame and penetrates out from the top of the cylinder, and the end of the main air pipe points to the rotating blades; and the number of the first and second groups,

and the screen plate is fixed at the top of the ring column.

2. The pneumatic feces transfer device according to claim 1, wherein the main air duct is divided into a first air dividing duct and a second air dividing duct, wherein an end of the first air dividing duct is directed to the rotary blade, an end of the second air dividing duct is directed to the screen plate, and when the screen plate rotates, air blown from the second air dividing duct covers the screen plate.

3. The pneumatic fecal transfer device of claim 1 wherein the two opposing side walls of the base frame further have:

the supporting pipe I is communicated with the cavity of the bottom frame and penetrates out of the inner wall of the excrement discharge pipe I;

the supporting tube II is communicated with the annular tube and penetrates out of the other inner wall of the excrement discharge pipe;

the bottom frame rotates in the excrement discharge pipe by taking the first supporting pipe and the second supporting pipe as rotating shafts.

4. The pneumatic feces transfer device of claim 3, wherein the main air duct penetrates from the second support tube, reaches the bottom of the bottom frame, and penetrates out from the top of the ring barrel.

5. The pneumatic feces transfer device according to claim 1, wherein a protective cover is provided at the bottom of the bottom frame.

6. The pneumatic feces transfer device according to claim 2, wherein a support plate is detachably provided on the top of the ring cylinder to separate the first air distribution pipe and the second air distribution pipe from the support member, the support plate is centrally located in communication with the ring cylinder, and the support plate has an outer diameter smaller than the inner diameter of the ring cylinder.

7. The pneumatic feces transfer device according to claim 2, wherein a first high-pressure nozzle is provided at an end of the first air branch pipe.

8. The pneumatic excrement transfer device of claim 6, wherein the end of the second air distribution pipe is connected with a first three air delivery pipes through a first three-to-three adapter, one end of each of the first three air delivery pipes is connected with a second six air delivery pipes through a third six-to-six adapter, one end of each of the second six air delivery pipes is connected with a spraying assembly, the spraying assemblies are arranged from the circle center of the supporting plate to the edge, the spraying assembly is provided with a second six high-pressure spray nozzles, and the second six high-pressure spray nozzles point to the screen plate.

9. The pneumatic stool passing apparatus of claim 3, further comprising a bottom frame driving rotating mechanism including:

the center of the base is provided with a through hole, and the side edge of the base is provided with a sliding chute;

the driving mechanism comprises a telescopic mechanism and a transmission rod, a cylinder body of the telescopic mechanism is fixed at the top of the side edge of the base, and the transmission rod is fixed on a piston rod of the telescopic mechanism;

the transmission assembly comprises four bolt rollers which are distributed in a rectangular shape and fixed at the bottom of the base, a conveyor belt sleeved on the four bolt rollers, a T-shaped ring fixed on one side of the conveyor belt and an L-shaped toothed plate fixed on the other side of the conveyor belt;

a gear is arranged on the second supporting pipe;

the L-shaped toothed plate is meshed with a gear on the second supporting pipe, and the transmission rod penetrates through the sliding groove and is inserted into the T-shaped ring.

Technical Field

The invention relates to the technical field of waterless toilets, in particular to a pneumatic excrement transfer device.

Background

The ecological toilet is one kind of environment protecting toilet and has the functions of no environmental pollution, full utilization of various kinds of resource, self-cleaning of pollutant and circular utilization of resource. The existing ecological toilet with the highest utilization rate is a toilet with excrement decomposed by microbial bacteria, which utilizes the growth and reproduction activities of the microbial bacteria to biodegrade and convert the available macromolecular organic compounds in the excrement into bacterial biomass, competitively inhibits and kills pathogenic microorganisms in the excrement, adsorbs, degrades and converts odor substances generated in the excrement, and realizes harmless and recycling treatment of the excrement. Can achieve the function of zero emission and does not cause any pollution to the environment.

With the continuous improvement of the national requirements for environmental protection, people continuously strengthen the awareness of environmental protection, and the ecological toilet is also popularized and put into use to a large extent. Due to the particularity of the environment-friendly toilet and the waterless ecological toilet, the urine of the squatting pan and the toilet bowl enters the excrement processor, so that too much urine exists in the processor, the humidity seriously influences the growth and reproduction of microorganisms in the processor, the decomposition speed of the microorganisms on the excrement is greatly reduced, the odor of the waterless ecological toilet is heavy, the excrement and the water overflow, and finally the waterless ecological toilet cannot be normally used.

To this end, chinese patent application No. CN201721892248.9 discloses a fecal treatment system, which includes a urine and feces separator, a fecal processor and a urine processor; the excrement entering the excrement processor from the urine and excrement separator is decomposed by stirring the excrement, the microorganisms and the filler through a stirring rod in the excrement processor, but because the excrement processor is communicated with the urine and excrement separator through the excrement pipeline, when people go to the toilet, the black hole, the stirring rod and various fillers inside the excrement processor can be easily observed through the excrement discharging pipe, so that psychological panic is easily caused, and therefore the excrement transferring device which can be overturned is arranged in the excrement discharging pipe to shield the excrement processor, during the defecation process of a user, the top of the excrement transfer device bears the excrement which enters the excrement discharging pipeline through the urine and excrement separator, after the user finishes using the toilet, the excrement transfer device turns over, and the top of the excrement transfer device reaches the bottom at the moment, falls off from the turning mechanism through the gravity of excrement and enters the excrement processor.

However, the above-described turnover mechanism has the following problems: gravity through excrement and urine self is not enough to make excrement and urine complete drop from excrement and urine transfer device, long-term in the past, and excrement and urine can be piled up on excrement and urine transfer device, influences the upset of excrement and urine transfer device on the one hand: when excrement and urine transfer device accumulation is too much, excrement and urine transfer device produces frictional resistance with the inner wall of defecation pipe, and the upset difficulty, on the other hand influence user experience: excrement is accumulated in the excrement transfer device for a long time and cannot be cleaned, and foul smell is easily generated.

Disclosure of Invention

Therefore, the invention aims to provide a pneumatic excrement transfer device, which can enable excrement to completely fall off and enter an excrement processor, reduce the friction resistance with the inner wall of an excrement pipe and improve the user experience.

To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:

a pneumatic excrement transfer device is characterized by comprising:

the bottom frame is arranged in the excrement discharge pipe and can rotate around the radial line of the excrement discharge pipe, and the center of a cavity of the bottom frame is provided with a ring barrel;

the circumferential inner wall of the ring column is provided with a supporting part sleeved on the outer wall of the ring cylinder and a plurality of rotating blades, the ring cylinder limits the longitudinal position of the supporting part, and the plurality of rotating blades are arranged circumferentially;

the main air pipe penetrates from the bottom of the bottom frame and penetrates out from the top of the cylinder, and the end of the main air pipe points to the rotating blades; and the number of the first and second groups,

and the screen plate is fixed at the top of the ring column.

As a preferable scheme of the pneumatic feces transfer device of the present invention, the main duct area is divided into a first air dividing duct and a second air dividing duct, an end of the first air dividing duct is directed to the rotary blade, an end of the second air dividing duct is directed to the screen plate, and when the screen plate rotates, air blown out by the second air dividing duct covers the screen plate.

As a preferable aspect of the pneumatic feces transfer device according to the present invention, the two opposite side walls of the bottom frame further have:

the supporting pipe I is communicated with the cavity of the bottom frame and penetrates out of the inner wall of the excrement discharge pipe I;

the supporting tube II is communicated with the annular tube and penetrates out of the other inner wall of the excrement discharge pipe;

the bottom frame rotates in the excrement discharge pipe by taking the first supporting pipe and the second supporting pipe as rotating shafts.

As a preferable scheme of the pneumatic excrement transfer device, the main air pipe penetrates from the second support pipe, reaches the bottom of the bottom frame, and penetrates out of the top of the ring barrel.

As a preferable aspect of the pneumatic fecal transferring apparatus of the present invention, a protecting cover is disposed at the bottom of the bottom frame.

As a preferable scheme of the pneumatic feces transfer device, a support plate is detachably arranged on the top of the ring cylinder, the first air distribution pipe and the second air distribution pipe are separated from the support component, the center of the support plate is communicated with the ring cylinder, and the outer diameter of the support plate is smaller than the inner diameter of the ring column.

As a preferable scheme of the pneumatic excrement transfer device, a high-pressure nozzle I is arranged at the end of the first air distribution pipe.

As a preferable scheme of the pneumatic feces transfer device, the end of the air distribution pipe two is connected with three air delivery pipes one through a three-to-three adapter, one end of the three air delivery pipes one is connected with six air delivery pipes two through three-to-six adapters, one ends of the six air delivery pipes two are connected with the spraying assembly, the spraying assembly is arranged from the circle center of the supporting plate to the edge, the spraying assembly is provided with six high-pressure nozzles two, and the six high-pressure nozzles two point to the screen plate.

As a preferable aspect of the pneumatic feces transfer device according to the present invention, the device further includes a bottom frame driving rotation mechanism, which includes:

the center of the base is provided with a through hole, and the side edge of the base is provided with a sliding chute;

the driving mechanism comprises a telescopic mechanism and a transmission rod, a cylinder body of the telescopic mechanism is fixed at the top of the side edge of the base, and the transmission rod is fixed on a piston rod of the telescopic mechanism;

the transmission assembly comprises four bolt rollers which are distributed in a rectangular shape and fixed at the bottom of the base, a conveyor belt sleeved on the four bolt rollers, a T-shaped ring fixed on one side of the conveyor belt and an L-shaped toothed plate fixed on the other side of the conveyor belt;

a gear is arranged on the second supporting pipe;

the L-shaped toothed plate is meshed with a gear on the second supporting pipe, and the transmission rod penetrates through the sliding groove and is inserted into the T-shaped ring.

Compared with the prior art: 1. the invention arranges a rotatable ring column on the bottom frame, and arranges rotating blades arranged in circumference on the ring column skillfully to divide the inner wall of the ring column into a plurality of spaces, and to lead the main air pipe to penetrate into the chamber from the bottom of the bottom frame, when high-pressure air is introduced into the main air pipe, the high-pressure air blows the spaces between the rotating blades to provide continuous rotating torque for the ring column, so that the ring column rotates at high speed, and provides continuous radial force for the excrement on the screen plate, so that the excrement moves to the edge of the screen plate, and further the excrement is separated from the screen plate, thereby ensuring the cleanness of the screen plate, further overcoming the problems that the excrement is accumulated on the screen plate, the excrement transfer device and the excrement discharge pipe generate friction, bacteria are bred on the screen plate, the overturning is difficult, and two kinds of foul smell are generated.

2. In the invention, high-pressure air continuously generated by the main air pipe forms circulation in the excrement transfer device, so that the air pressure in the excrement transfer device is higher than the external air pressure, and further, circulation gas in the transfer device is continuously conveyed outwards, so that excrement and residual liquid falling onto the screen plate cannot enter the excrement transfer device, and the stable operation of all parts in the excrement transfer device is ensured.

3. In the invention, the main air duct is divided into a first air dividing duct and a second air dividing duct, when high-pressure air is introduced into the main air duct, the main air pipe is ingeniously decomposed into two air flows through the air distribution pipe I and the air distribution pipe II, the first air flow blows the space between the separation blocks to provide continuous rotating torque for the ring column, so that the ring column rotates at high speed to provide continuous radial force for the excrement on the screen plate, the excrement can comprehensively move towards the edge of the screen plate, the second air flow blows the meshes on the screen plate to provide continuous longitudinal force for the excrement on the screen plate, the concentrated excrement moving towards the edge of the screen plate is intensively blown, so that the excrement on the screen plate falls off downwards from the screen plate, through the combined action of the radial force and the longitudinal force, the excrement can be further separated from the screen plate completely and enters the excrement processor, the cleanness of the screen plate is guaranteed, and excrement residue is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive exercise. Wherein:

FIG. 1 is a schematic view of a pneumatic feces transfer device according to a first embodiment of the present invention in an overturned state;

FIG. 2 is a schematic diagram of the pneumatic feces transfer device in a state after being turned over by one hundred eighty degrees according to the first embodiment of the invention;

FIG. 3 is a schematic view of a part of the pneumatic stool transfer device of the present invention shown in FIG. 1;

FIG. 4 is a schematic view of the bottom frame of the pneumatic stool transit device of FIG. 1 according to the present invention;

FIG. 5 is a top view of the connection structure between the bottom frame and the main duct in FIG. 1 of the pneumatic fecal transition device of the present invention;

FIG. 6 is a schematic view of the ring column structure of FIG. 1 of the pneumatic stool transit device of the present invention;

fig. 7 is a partial structural schematic view of a second embodiment of the pneumatic feces transfer device of the present invention.

FIG. 8 is a schematic view of a connecting structure between a bottom frame driving and rotating mechanism and a bottom frame of the pneumatic feces transfer device of the present invention.

In the figure: 100 bottom frame, 110 ring cylinder, 120 support tube I, 130 support tube II, ring column 200, 210 support part, 220 rotating vane, 300 main air duct, 310 air distribution tube I, 310a high-pressure spray head I, 320, air distribution tube II, 330 one-to-three adapter, 340 air transmission tube I, 350 three-to-six adapter, 360 air transmission tube II, spraying component 370, 370a high-pressure spray head II, 400 screen plate, 500 protective cover, 600 support plate, 700 bottom frame driving rotating mechanism, 710 base, 710a through hole, 710b sliding groove, 720 driving mechanism, 720a telescopic mechanism, 720b driving rod, 730 driving component, 730a bolt roller, 730b driving belt, 730c T and 730d L type toothed plate.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Next, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view showing the structure of the device is not partially enlarged in a general scale for convenience of explanation, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

The invention provides a pneumatic excrement transfer device, which can enable excrement to completely fall off and enter an excrement processor, reduce the frictional resistance with the inner wall of a defecation pipe and improve the user experience.

Fig. 1 is a schematic view showing an overall structure of a first embodiment of the pneumatic stool transferring apparatus according to the present invention, and referring to fig. 1, the pneumatic stool transferring apparatus according to the present embodiment includes: bottom frame 100, ring post 200, main tuber pipe 300, otter board 400 and protection casing 500.

The bottom frame 100 is disposed in the excrement discharging pipe and can rotate around a radial line of the excrement discharging pipe, please refer to fig. 4 and 5 together, a circular tube 110 is disposed at the center of a chamber of the bottom frame 100, a first support tube 120 and a second support tube 130 are further disposed on two opposite side walls of the bottom frame 100, the first support tube 120 is communicated with the chamber of the bottom frame 100 and penetrates through an inner wall of the excrement discharging pipe, the second support tube 130 is communicated with the circular tube 110 and penetrates through the other inner wall of the excrement discharging pipe, the circular tube 110 is used for mounting a circular column 200 and a main air duct 300, and the first support tube 120 and the second support tube 130 jointly function to provide support for rotation of the bottom frame 100.

Referring to fig. 3 and 6, the ring post 200 is sleeved on the outer wall of the ring cylinder 110 through the support member 210, and the longitudinal position of the support member 210 is limited by the ring cylinder 110, so as to prevent the ring post 200 from being separated from the bottom frame 100 in the rotating process, the inner wall of the ring post 200 is provided with a plurality of rotating blades 220, the plurality of rotating blades 220 are circumferentially arranged, and air is blown to the space between every two rotating blades 220 through the first branch air duct 310 on the main air duct 300, so as to provide a continuous rotating torque for the ring post 200, and further, the ring post 200 rotates around the ring cylinder 110 at a high speed.

Referring to fig. 3 and 5 together, one end of the main duct 300 is used to connect with an external wind delivery device, which may be a blower or other devices capable of blowing, the main duct 300 penetrates through the second support tube 130 on the bottom frame 100, reaches the bottom of the bottom frame 100, penetrates out of the top of the ring cylinder 110, and is divided into a first branch duct 310 and a second branch duct 320, the end of the first branch duct 310 points to the rotating blade 220, and blows air through the first branch duct 310 to the space between each two rotating blades 220 to provide a continuous rotational torque for the ring cylinder 200, so that the ring cylinder 200 rotates around the ring cylinder 110 at a high speed, in other embodiments, the end of the first branch duct 310 may be provided with a first high-pressure nozzle 310a, and the high-pressure nozzle 310a pressurizes the air at the end of the first branch duct 310 to cause the air to be ejected from the first branch duct 310 at a high pressure, so as to provide a greater rotational torque for the ring cylinder 200, the rotating speed of the ring column 200 is increased, the wind blown out by the second air distribution pipes 320 covers the screen plate 400, and provides a settling force for residual excrement on the screen plate 400, so that the residual excrement on the screen plate 400 can fall off from the screen plate 400, in other embodiments, the end parts of the second air distribution pipes 320 can be connected with three air delivery pipes 340 through a three-to-three adapter 330, one ends of the three air delivery pipes 340 are connected with six air delivery pipes 360 through three-to-six adapters 350, one ends of the six air delivery pipes 360 are connected with the spraying assembly 370, the spraying assembly 370 is arranged from the circle center to the edge of the supporting plate 600, the spraying assembly 370 is provided with six high-pressure spray heads 370a, the six high-pressure spray heads 370a point at the screen plate 400, the wind in the second air distribution pipes 320 is divided into three groups of wind through the three-to-three adapter 330, the wind is pressurized, the three groups of wind are divided into six groups of wind through the, the wind is pressurized again, and finally the wind is sprayed out at high pressure through the six high-pressure spray nozzles 370a, so that strong settling force is provided for the residual excrement on the screen plate 400, and the residual excrement on the screen plate 400 can fall off from the screen plate 400 quickly.

The otter board 400 is fixed at the top of ring post 200 for bear excrement and urine, and when underframe 100 did not overturn, otter board 400 was used for bearing and falls into the excrement and urine in the excrement and urine calandria from urine excrement and urine separator, and when underframe 100 overturned one hundred eighty degrees after, otter board 400 also followed the upset one hundred eighty degrees, and the excrement and urine on the otter board 400 dropped to in the excrement and urine treater this moment.

The protection cover 500 is disposed at the bottom of the bottom frame 100 to protect the main air duct 300 at the bottom of the bottom frame 100.

With reference to fig. 1 to 6, the pneumatic feces transferring device of the present embodiment has the following specific operation processes:

when a user uses the toilet, the state of the device is shown in fig. 1, excrement generated by the user using the toilet is discharged onto the screen plate 400 from an excrement opening on the urine and excrement separator through the excrement discharge pipe, excrement liquid on the excrement enters the cavity of the bottom frame 100 through the meshes on the screen plate 400 and is discharged from the first support pipe 120, after the user uses the toilet, the device is turned over by one hundred eighty degrees, the state of the device is shown in fig. 2, high-pressure air is conveyed in the main air pipe 300 and is divided into two to two high-pressure air through the first air distribution pipe 310 and the second air distribution pipe 320, the high-pressure air generated by the first air distribution pipe 310 blows air to the space between every two rotating blades 220 to provide a continuous rotating moment for the ring column 200, the ring column 200 rotates around the ring cylinder 110 at a high speed to drive the screen plate 400 to rotate at a high speed, and radial force is provided for the excrement on the screen plate 400 when the screen plate 400 rotates at a high speed, excrement and urine will disperse to the outward flange of otter board 400 this moment, simultaneously, divide the blowing of the second 320 continuation of tuber pipe to otter board 400, provide the longitudinal force of continuation for the excrement and urine on otter board 400, make excrement and urine drop down from otter board 400, disperse and drop down to the outward flange of otter board 400 through excrement and urine, make the excrement and urine that remain on otter board 400 break away from on otter board 400 completely, drop to in the excrement and urine treater along the excrement and urine calandria, and then make the otter board 400 on not remain excrement and urine, guarantee the cleanness of otter board 400, clean.

Fig. 7 shows a second embodiment of the pneumatic feces transfer device according to the present invention, which is different from the above embodiments in that a support plate 600 is detachably disposed on the top of the ring cylinder 110, the center of the support plate 600 is communicated with the ring cylinder 110, the outer diameter of the support plate 600 is smaller than the inner diameter of the ring column 200, and the support plate 600 separates the first air distribution pipe 310 and the second air distribution pipe 320 from the support member 210, so as to prevent the first air distribution pipe 310 and the second air distribution pipe 320 from touching the support member 210 on the ring column 200 and affecting the rotation of the ring column 200.

Referring to fig. 8, the pneumatic stool transferring apparatus further includes a bottom frame driving rotating mechanism 700 for driving the bottom frame 100 to rotate in the stool discharging pipe, wherein the bottom frame driving rotating mechanism 700 includes a base 710, a driving mechanism 720, and a transmission assembly 730.

The center of the base 710 is provided with a through hole 710a, the side of the base 710 is provided with a sliding groove 710b, the driving mechanism 720 comprises a telescopic mechanism 720a and a transmission rod 720b, a cylinder body of the telescopic mechanism 720a is fixed at the top of the side of the base 710, the transmission rod 720b is fixed on a piston rod of the telescopic mechanism 720a, the transmission assembly 730 comprises four bolt rollers 730a which are distributed in a rectangular shape and fixed at the bottom of the base 710, a transmission belt 730b sleeved on the four bolt rollers 730a, a T-shaped ring 730c fixed at one side of the transmission belt 730b and an L-shaped toothed plate 730d fixed at the other side of the transmission belt 730b, a gear (not marked in the drawing) is arranged on the second support pipe 130, the L-shaped toothed plate 730d is engaged with a gear on the second support pipe, and the transmission rod.

The specific operation processes of the bottom frame driving rotating mechanism 700 and the bottom frame 100 are as follows: firstly, when the electric feces transferring device is not turned over, the piston rod on the telescopic mechanism 720a reaches the maximum range, at this time, the screen plate 400 on the feces transferring device faces upwards, so that the feces transferring device keeps a static state, when a user uses the toilet, feces can fall onto the screen plate 400 of the feces transferring device in the defecation pipe from the urine and feces separator, when the user finishes using the toilet, the user can press the retraction control button of the telescopic mechanism 720, at this time, the piston rod of the telescopic mechanism 720a retracts into the cylinder, during the retraction process of the piston rod of the telescopic mechanism 720a, the piston rod drives the transmission rod 720b to move along the retraction direction of the piston rod, further drives the transmission belt 730b on the transmission assembly 730 to rotate around the bolt roller 730a, at this time, the L-shaped toothed plate 730d on the transmission belt 730b drives the gear on the feces transferring device to rotate, the supporting rod on the gear-driven excrement transfer device rotates around the excrement discharging pipe, so that the excrement transfer device rotates in the excrement discharging pipe, when the piston rod of the telescopic mechanism 720 is completely recovered into the cylinder body of the excrement transfer device, the transmission assembly 730 drives the excrement transfer device to turn over by one hundred eighty degrees, and the screen plate 400 on the excrement transfer device faces downwards at the moment.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination as long as there is no structural conflict, and the combination is not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.