Wide-mouth direct-discharge type water-flushing-free pedestal pan

By designing a wide-mouth direct discharge waterless flush toilet, the existing dry toilet toilet is easily contaminated, difficult to install and difficult to clean, and the toilet has achieved the effect of small height, large feces discharge mouth, easy to clean and simple installation, reducing the cost of toilet renovation.

CN222840933UActive Publication Date: 2025-05-09SHANDONG MICRO RING ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202420923270.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-05-09
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

Existing dry toilet toilets are prone to contamination of feces near the toilet orifices, difficult to install, difficult to clean, and easy to odor, which affects the hygiene and promotion of toilets.

Method used

A wide-mouth direct discharge waterless toilet is designed, adopting a structure with a small height and a large feces drain at the bottom. The feces drain is connected to the feces straight down pipe, and the feces straight down pipe is connected to the underground septic tank or septic storage tank. The toilet can be removed and cleaned, and the odor can be treated through the annular air collection chamber and exhaust port.

Benefits of technology

It realizes that the toilet has a small height, a large feces discharge port, is easy to clean and is easy to install, reducing the cost of toilet transformation and effectively preventing feces from contaminating near the toilet orifice.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a wide-opening direct-discharge type water-flushing-free pedestal pan which is mainly composed of an integrated direct-discharge type pedestal pan shell, the upper surface of the pedestal pan shell is an approximately elliptical plane, a pedestal pan opening is formed in the middle of the upper surface of the pedestal pan shell, and an excrement falling opening with a large caliber is formed in the bottom of the pedestal pan shell. The excrement falling opening is connected with a pipe opening of a large-diameter excrement direct falling pipe which extends out of the ground by a certain height and is communicated with an underground septic tank or an excrement storage tank through a bell and spigot, and an exhaust port connected with an exhaust pipe of the latrine is formed in the rear side of the excrement falling opening. The toilet bowl has the advantages of being small in height, large in hole diameter of the defecation opening, good in anti-freezing effect, low in production cost, easy to install, easy to detach and clean, capable of setting the installation height in an individualized mode, good in odor exhausting effect and the like, and the improvement cost of the toilet can be greatly reduced.
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Description

Technical Field

[0001] In the field of rural toilet renovation, specifically, a direct-discharge waterless toilet with a smaller height and a larger feces discharge outlet at the bottom is provided. Background Art

[0002] Waterless dry toilets are a common type of toilet in arid and cold regions, but dry toilets are generally tall, bulky, and have high production costs. In addition, the internal structure is unreasonable and the feces outlet is small, which can easily lead to feces contamination near the toilet opening and the production of odors. In addition, toilets generally need to be fixed on the ground, which is time-consuming and labor-intensive to install and difficult to clean. They are also difficult to use and maintain, which affects the selection and promotion of sanitary dry toilets. Summary of the invention

[0003] In order to solve the problems of existing dry toilets being easily contaminated by feces, difficult to install, difficult to clean, and prone to odor, the utility model provides a direct-discharge waterless toilet that can be buckled on the outlet of a large-diameter feces straight-down pipe that is directly connected to an underground septic tank / septic tank and raised a certain height above the ground.

[0004] The technical solution adopted by the utility model is as follows:

[0005] A wide-mouthed straight-discharge waterless toilet, consisting of an integrated straight-discharge toilet shell, the upper surface of which is a nearly elliptical plane, an elliptical toilet opening is opened in the middle of the upper surface, and a larger-caliber feces outlet is opened at the bottom, the feces outlet is located below the toilet opening and is roughly aligned with the rear of the toilet opening; the front bottom surface of the toilet shell is set as an arc-shaped urine collection slope that slopes toward the feces outlet and is connected to the feces outlet, and an exhaust port is set or not set at the rear side of the toilet shell, and a downward downward turning edge is set on the inner edge of the toilet opening, and an annular air collecting cavity is formed between the downward turning edge and the surrounding toilet shell, and the annular air collecting cavity is connected to the rear exhaust port. The feces outlet is connected as a whole to form an exhaust gas flow channel, the feces outlet is provided with a downward-turned vertical pipe interface connected to a feces vertical pipe extending out of the ground at a certain height, the lower end of the feces vertical pipe is connected to an underground septic tank or a feces storage tank, the septic tank can adopt a single-format, double-format or other types of liquefied waterless toilet septic tank, the feces storage tank can be a dry-sealed toilet septic tank, a double-pit alternating toilet septic tank or other types of dry toilet septic tank, an exhaust pipe interface is provided on the outside of the exhaust port, and the wide-mouth direct-discharge waterless toilet is connected to the dry toilet exhaust pipe through the exhaust pipe interface.

[0006] On the upper surface of the toilet housing, two small holes for fixing a toilet cover are provided on both sides of the rear side of the toilet opening, and the toilet cover covers the toilet opening.

[0007] The wide-mouthed, straight-discharge, waterless toilet can also be configured as a urine-feces diverting toilet, which is characterized in that the lower edge of the arc-shaped urine collecting surface at the junction with the feces outlet is lifted upward to a certain height (no longer directly connected to the feces outlet) to form a front urine collecting funnel, a urine outlet is provided at the bottom of the urine collecting funnel, and a urine outlet is provided under the urine outlet, and a urine outlet interface connected to a urine outlet pipe leading to an underground urine storage bucket is provided.

[0008] The straight-down pipe interface is a socket-type interface, and a sealing ring can be arranged between the socket-type interface and the top connecting surface of the feces straight-down pipe to prevent odor from escaping from the joint.

[0009] A nozzle installation hole may be provided at the front top of the toilet bowl for installing a built-in nozzle to spray microbial liquid onto the arc-shaped urine collection slope or the urine collection funnel.

[0010] A microbial liquid nozzle mounting hole is arranged on the front top of the toilet bowl.

[0011] The working principle of the utility model is:

[0012] The wide-mouthed, straight-discharge, waterless flush toilet of the utility model is directly buckled on the pipe mouth of a large-diameter feces straight-drop pipe extending to a certain height from the ground and connected to an underground septic tank or a feces storage tank through a socket-type straight-drop pipe interface, and can be disassembled for cleaning; feces, under the action of gravity, directly fall into the underground septic tank or the feces storage tank through the feces drop port of the toilet and the feces straight-drop pipe, urine is collected through the arc-shaped urine collecting surface by gravity flow, and flows into the underground septic tank or the feces storage tank through the feces drop port of the toilet and the feces straight-drop pipe; when the urine and feces collection mode is adopted, urine is separately collected by the urine collecting funnel through the gravity flow, enters the urine discharge pipe through the urine discharge port, and finally flows into the underground urine storage bucket; the odor rising from the underground is sucked into the annular air collecting cavity in the toilet under the action of the negative pressure suction generated by the rising air in the dry toilet exhaust pipe with a certain height, and enters the dry toilet exhaust pipe along the collecting and exhaust flow channel formed by the annular air collecting cavity and the rear exhaust port, and finally is discharged into the atmosphere from a high place.

[0013] The beneficial effects of the utility model are: a wide-mouthed direct-discharge waterless flush toilet can be directly buckled on the large-diameter feces straight-down pipe optical port that extends out to a certain height from the ground and is connected to an underground septic tank or a feces storage tank. It has the advantages of small height, large feces discharge port aperture, can be disassembled for cleaning, can be personalized to set the installation height, low production cost, easy transportation, simple installation, etc., which can greatly reduce the cost of toilet renovation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 , schematic diagram of the structure of a wide-mouth, direct-discharge, waterless toilet with an exhaust port (urine and feces collection).

[0015] Figure 2 , longitudinal section of a wide-mouth, straight-discharge, waterless toilet with exhaust port (urine and feces collection).

[0016] Figure 3 , schematic diagram of the structure of a wide-mouth, direct-discharge, waterless toilet without exhaust port (urine and feces collection).

[0017] Figure 4 , schematic diagram of installation of wide-mouth direct-flush waterless toilet.

[0018] Figure 5 , longitudinal section of a wide-mouth, direct-discharge, waterless toilet with a vent for urine and feces collection.

[0019] Figure 6 , a top view of a wide-mouth, direct-discharge, waterless toilet with a vent for urine and feces separation.

[0020] Figure 7 , installation diagram of wide-mouth direct-discharge waterless toilet (urine and feces combined septic tank toilet).

[0021] Figure 8 , installation diagram of wide-mouth direct-discharge waterless toilet (urine and feces separation dry-sealed toilet).

[0022] 1. Wide-mouth waterless flush toilet; 2. Toilet opening; 3. Exhaust outlet; 4. Exhaust outlet; 5. Curved urine collection surface; 6. Lower rim; 7. Vertical drop pipe interface; 8. Annular air collecting chamber; 9. Exhaust pipe interface; 10. Toilet cover fixing hole; 11. Urine collecting funnel; 12. Urine outlet; 13. Urine tube interface; 14. Toilet cover; 15. Sealing ring; 16. Nozzle installation hole; 17. Exhaust outlet; 18. Dry toilet exhaust pipe; 19. Septic tank; 20. Exhaust tank; 21. Urine storage bucket; 22. Urine tube; 23. Toilet floor; 24. Drying board / cleaning outlet; 25. Toilet; 26. Exhaust pumping sleeve; 27. Exhaust outlet; 28. Cushion; 29. ​​Cover plate; 30. Fixing bolts; 31. Toilet floor. DETAILED DESCRIPTION

[0023] like Figure 1 , Figure 2 , Figure 4As shown, a wide-mouthed straight-discharge waterless toilet of the utility model is composed of a straight-discharge toilet shell 1 with a small height and a large bottom feces outlet, the upper surface of which is a nearly elliptical plane, an elliptical toilet opening 2 is opened in the middle of the upper surface, and a feces outlet 3 with a larger diameter is opened at the bottom, the feces outlet 3 is located below the toilet opening 2 and is roughly aligned with the rear of the toilet opening 2; the front bottom surface of the toilet shell 1 is arranged to be an arc-shaped urine collection slope 5 which is inclined toward the feces outlet 3 and connected to the feces outlet 3; an exhaust port 4 is arranged on the rear side of the toilet shell 1; a downwardly turned down edge 6 is arranged on the inner edge of the toilet opening 2, and an annular air collecting cavity 8 is formed between the downwardly turned down edge 6 and the surrounding toilet shell 1, and the annular collecting cavity 8 is formed. The air cavity 8 is connected with the rear exhaust port 4 as a whole to form an exhaust flow channel. The feces outlet 3 is provided with a downwardly turned straight pipe interface 7 connected to a feces straight pipe 17 extending to a certain height from the ground. The lower end of the feces straight pipe 17 is connected to an underground septic tank 19 or a manure storage tank 20. The septic tank 19 can be a single-format, double-format or other type of liquefied waterless toilet septic tank. The manure storage tank 20 can be a dry-sealed toilet manure storage tank, a double-pit alternating toilet manure storage tank or other type of dry toilet manure storage tank. The exhaust port 4 is provided with an exhaust pipe interface 9 on the outside. The wide-mouthed straight-discharge waterless toilet is connected to the dry toilet exhaust pipe through the exhaust pipe interface 9. On the upper surface of the toilet shell 1, on both sides of the rear side of the toilet opening 2, there are two small holes 10 for fixing the toilet cover 14, and the toilet cover covers the toilet opening 2.

[0024] like Figure 5 , Figure 6 As shown, the wide-mouthed straight-drain waterless toilet can also be configured as a urine and feces diverting toilet, wherein the lower edge of the arc-shaped urine collecting surface 5 at the junction with the feces outlet 3 is lifted upward to a certain height (no longer directly connected to the feces outlet 3), forming a front urine collecting funnel 11, a urine outlet 12 is provided at the bottom of the urine collecting funnel, and a urine pipe interface 13 connected to a urine pipe 22 leading to an underground urine storage bucket 21 is provided under the urine outlet 12.

[0025] The working principle of the utility model is as follows: the wide-mouthed direct-discharge waterless flush toilet 1 of the present invention is directly buckled on the pipe mouth of a large-diameter feces straight-down pipe 17 extending out of the ground at a certain height and connected to an underground septic tank or a feces storage tank through a socket-type straight-down pipe interface 7, and can be removed for cleaning; under the action of gravity, feces directly fall into the underground septic tank 19 or the feces storage tank 20 through the feces outlet 3 of the toilet and the feces straight-down pipe 17, and urine is collected by gravity through the arc-shaped urine collection surface 5 and flows into the underground through the feces outlet 3 of the toilet and the feces straight-down pipe 17. When the septic tank 19 or feces storage tank 20 adopts the urine and feces separation mode, urine is collected separately by the urine collecting funnel 11 through gravity flow, and enters the urine discharge pipe 22 through the urine discharge port 12, and finally flows into the underground urine storage bucket 21; the odor rising from the underground is sucked into the annular air collecting cavity 8 in the toilet under the action of the negative pressure suction generated by the rising air in the dry toilet exhaust pipe 18 with a certain height, and enters the dry toilet exhaust pipe 18 along the exhaust gas collection channel formed by the annular air collecting cavity and the rear exhaust port 4, and finally discharged into the atmosphere from a high place.

[0026] like Figure 3 As shown, the wide-mouthed direct-discharge waterless toilet may not be provided with an exhaust port 4, but an exhaust hole (an exhaust tee may be provided) is provided on the upper side wall of the feces straight-down pipe 17, and connected to the dry toilet exhaust pipe 18 ( Figure 7 The middle exhaust pipe is not connected to the toilet exhaust port 4, but moves down to the top of the feces straight down pipe 17 and is connected to the exhaust hole on its upper side wall) to discharge the odor.

[0027] The straight pipe interface 30 is a spigot-and-socket type interface, which can be provided in multiple ways (such as Figure 2 For interpolation, Figure 5 A sealing ring 15 can be arranged between the socket-type interface and the top connection surface of the feces straight drop pipe 17 to prevent odor from escaping from the joint.

[0028] like Figure 4 , Figure 5 A nozzle mounting hole 16 may be provided at the front top of the toilet bowl for installing a built-in nozzle to spray microbial liquid onto the arc-shaped urine collection slope or urine collection funnel.

[0029] Figure 7 The utility model is an embodiment of a wide-mouthed direct-discharge waterless flush toilet for use in a urine and feces collecting single-chamber septic tank.

[0030] The single-chamber septic tank 19 is buried in the soil layer below the toilet floor 31, and its upper end is below the frozen ground line. The feces drop pipe 17 uses a PVC drainage pipe with an outer diameter of 260mm, the lower end of which is connected to the upper end of the septic tank 19, and the upper end extends upward to a certain height from the toilet floor 31. The specific extension value is determined by the user. The wide-mouthed direct-discharge waterless toilet 1 is buckled on the upper end of the feces drop pipe 17; the toilet exhaust pipe interface 9 (such as Figure 4) is connected to the dry toilet exhaust pipe 18 to discharge the odor into the air at a high place outside the toilet room; an obliquely arranged feces extraction sleeve 26 is set on one side of the feces straight drop pipe 17, the lower end of which is connected to the feces straight drop pipe 17 (the feces straight drop pipe 17 has a side hole), and the upper end extends to the toilet floor 31 or the outdoor ground and is provided with a feces extraction port 27, and a cover plate is added on the feces extraction buckle.

[0031] Before use, about 25% of clean water is added to the septic tank 19. After the feces and urine fall into it, they will be transformed into liquid feces. After the septic tank 19 is full, the liquid feces is extracted with a fecal suction truck (or a negative pressure pipeline). When pumping feces, the fecal suction pipe of the fecal suction truck (or the vacuum household pipe of the negative pressure pipeline) is inserted into the bottom of the septic tank through the fecal suction sleeve 26 to suck the liquid feces.

[0032] Figure 8 for Figure 7 The utility model is an embodiment of a wide-mouthed direct-discharge waterless toilet for use in a urine-feces-separated dry-sealed toilet.

[0033] A manure storage tank 20 is arranged below the toilet house 25. One side of the manure storage tank 20 extends outward from the rear wall of the toilet house 25 and is provided with a cleaning port. An obliquely arranged cover plate is arranged on the cleaning port and also serves as a sun drying plate 24 (the sun drying plate should face the side that is conducive to receiving sunlight). A shaft for placing a urine storage bucket 21 is arranged at a certain distance away from the manure storage tank 20 on the other side of the toilet house. The urine storage bucket 21 is placed at the bottom of the shaft, and its upper opening is below the permafrost line. The toilet house floor 23 is also the overhead roof of the manure storage tank 20. The feces drop pipe 17 adopts a PVC drainage pipe with an outer diameter of 260 mm. The bottom is fixed on the toilet house floor 23. The internal through hole is connected to the manure storage tank 20. The height of the upward extension from the ground is determined by the user. The wide-mouthed direct-discharge waterless flush toilet 1 (urine and feces collection type) is buckled on the upper opening of the feces drop pipe 17, and the urine discharge pipe interface 13 (such as Figure 5 ) is connected to the urine discharge tube 22, the lower end of which is connected to the urine storage bucket 21; the toilet exhaust pipe interface 9 (such as Figure 4 ) is connected to the dry toilet exhaust pipe 18 to discharge the odor into the air at a high place outside the toilet room.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be considered as the scope of protection of the present invention.

Claims

1. A wide-mouth direct-discharge waterless toilet, characterized in that: It is composed of an integrated straight-flush toilet shell, the upper surface of the straight-flush toilet shell is a nearly elliptical plane, an elliptical toilet seat opening is opened in the middle of the upper surface, a feces outlet is opened at the bottom of the straight-flush toilet shell, the feces outlet is located below the toilet seat opening and aligned with the rear of the toilet seat opening, the front bottom surface of the straight-flush toilet shell is arranged as an arc-shaped urine collection slope which slopes toward the feces outlet and is connected to the feces outlet, an exhaust port is arranged on the rear side of the straight-flush toilet shell, a downwardly turned edge is arranged on the inner edge of the toilet seat opening, an annular air collecting chamber is formed between the downward turned edge and the surrounding toilet shell, the annular air collecting chamber is connected with the rear exhaust port as a whole to form an exhaust gas collecting channel, the feces outlet is provided with a downwardly turned straight drop pipe interface which is connected to a feces straight drop pipe extending to a certain height from the ground, the lower end of the feces straight drop pipe is connected to an underground septic tank or a feces storage tank, and an exhaust pipe interface which is connected to the dry toilet exhaust pipe is arranged on the outer side of the exhaust port.

2. A wide-mouth direct-discharge waterless toilet according to claim 1, characterized in that: On the upper surface of the direct-discharge toilet housing, two small holes for fixing a toilet cover are provided on both sides of the rear side of the toilet opening, and the toilet cover covers the toilet opening.

3. The wide-mouth direct-discharge waterless toilet according to claim 1, characterized in that: It is a urine and feces diverting toilet. The lower edge of the arc-shaped urine collecting surface at the intersection with the feces outlet is lifted up to a certain height and is not directly connected to the feces outlet, forming a front urine collecting funnel. A urine outlet is provided at the bottom of the urine collecting funnel, and a urine outlet interface is provided under the urine outlet, which is connected to a urine outlet pipe leading to an underground urine storage bucket.

4. The wide-mouth direct-discharge waterless toilet according to claim 1, characterized in that: The straight drop pipe interface is a socket-type interface, and a sealing ring is arranged between the socket-type interface and the top connecting surface of the feces straight drop pipe.

5. The wide-mouth direct-discharge waterless toilet according to claim 1, characterized in that: A microbial liquid nozzle mounting hole is arranged on the front top of the toilet bowl.