CN112061158B - Push-pull type anti-reverse-spraying excrement collecting device - Google Patents
Push-pull type anti-reverse-spraying excrement collecting device Download PDFInfo
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- CN112061158B CN112061158B CN202010844699.5A CN202010844699A CN112061158B CN 112061158 B CN112061158 B CN 112061158B CN 202010844699 A CN202010844699 A CN 202010844699A CN 112061158 B CN112061158 B CN 112061158B
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- excrement collecting
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- 238000005507 spraying Methods 0.000 title abstract description 9
- 239000010865 sewage Substances 0.000 claims abstract description 81
- 239000007921 spray Substances 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000002689 soil Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D35/00—Sanitation
- B61D35/005—Toilet facilities
- B61D35/007—Toilet facilities comprising toilet waste receiving, treatment, storage, disposal or removal devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R15/00—Arrangements or adaptations of sanitation devices
- B60R15/04—Toilet facilities
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/02—Toilet fittings
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention relates to a push-pull type anti-reverse-spraying excrement collecting device, which comprises a toilet and a large excrement box, wherein the lower end of the toilet is connected with an excrement inlet pipe, and the large excrement box is connected with a sewage discharge pipe; one end of the cylinder body is provided with a sewage outlet connected with a sewage discharge pipe, and the side wall of the cylinder body is provided with a sewage inlet connected with a sewage inlet pipe; the piston seals the sewage inlet when the excrement collecting device does not work and moves towards the other end of the cylinder body firstly during sewage discharge so that a cavity close to the sewage outlet forms negative pressure and is communicated with the sewage inlet pipeline to suck sewage in the toilet and then moves towards the one end of the cylinder body so that the cavity close to the sewage outlet forms positive pressure to open the one-way valve to enable the sewage in the cavity to enter the large sewage tank. The excrement collecting device is simple and reliable in structure, beneficial to saving production and use cost and good in anti-reverse spraying effect.
Description
Technical Field
The invention relates to the technical field of excrement collecting devices, in particular to a push-pull type anti-reverse-spraying excrement collecting device on a railway passenger car or an airplane.
Background
The excrement collecting device is a necessary sewage treatment system on a train, an airplane or even a coach, and the excrement collecting device in the prior art mainly generates negative pressure in a transfer box by arranging a vacuum generator to pump away sewage in a toilet and then transfers the sewage in the transfer box into a large sewage box through positive pressure. The excrement collecting device controls the opening and closing of the pipeline by using valve parts at the front end and the rear end of the transfer box so as to adjust the pressure in the transfer box. In practical use, when the control valve between the toilet and the transfer box fails to close for sealing, if the system simultaneously performs positive pressure transfer operation of dirt, the residual dirt in the pipeline is likely to be reversely sprayed out of the toilet, so that the toilet is polluted and even a user is injured. Some vacuum keeps formula collection just system and has cancelled the transfer case, nevertheless need keep negative pressure state in the dirty case of this kind of collection just device, leads to dirty case panel to thicken greatly, and the leakproofness requirement is very high, and then leads to album just device weight big, with high costs, in addition, dirty case and valve body are easily leaked greatly, have increased gas, power consumption, are unfavorable for practicing thrift the energy consumption.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a push-pull type anti-reverse-spraying excrement collecting device which has a simple and reliable structure and is beneficial to saving production and use costs.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a plug-type anti-reverse spray collection just device, includes stool pot and big dirty case, the stool pot lower extreme is connected with into dirty pipe, be connected with blow off pipe, its characterized in that on the big dirty case:
the device also comprises a cylinder body, a piston which is arranged in the cylinder body and seals the cavity of the cylinder body, a driving mechanism which can drive the piston to move along the axial direction of the cylinder body and a one-way valve which is arranged in the sewage discharge pipe;
one end of the cylinder body is provided with a sewage outlet connected with a sewage discharge pipe, and the side wall of the cylinder body is provided with a sewage inlet connected with a sewage inlet pipe;
the piston seals the sewage inlet when the excrement collecting device does not work and moves towards the other end of the cylinder body firstly during sewage discharge so that a cavity close to the sewage outlet forms negative pressure and is communicated with the sewage inlet pipeline to suck sewage in the toilet and then moves towards the one end of the cylinder body so that the cavity close to the sewage outlet forms positive pressure to open the one-way valve to enable the sewage in the cavity to enter the large sewage tank.
Further, the sewage inlet is located in the middle of the cylinder body.
Further, the length of the piston is 1/2 of the effective stroke of the piston.
Further, the cylinder body is transversely arranged.
Further, the cylinder body is arranged longitudinally.
Further, the section of the cylinder body is square or round.
Furthermore, the driving mechanism is a power cylinder or an electric push rod.
Compared with the prior art, the invention has the advantages that:
according to the excrement collecting device, the piston is arranged, when the excrement collecting device does not work, the piston seals the sewage inlet, when sewage is discharged, the piston moves towards the other end of the cylinder body firstly to enable the cavity close to the sewage outlet to form negative pressure so as to suck sewage in a toilet and moves towards one end of the cylinder body so as to enable the cavity close to the sewage outlet to form positive pressure so as to open the one-way valve to enable the sewage in the cavity to enter the big sewage tank, the reverse spraying prevention effect is effectively achieved, and the use safety of equipment is improved; the sewage inlet is arranged in the middle of the cylinder body, so that the structure of the excrement collecting device is greatly simplified, the manufacturing thickness of a panel of the large sewage tank is effectively reduced, and the production cost is saved; the design structure greatly reduces the number of valves, and the lengthened piston has good sealing performance, so that the excrement collecting device is low in energy consumption and beneficial to saving the use cost.
Drawings
FIG. 1 is a schematic structural view of the excrement collecting device of the present application when the air cylinder is transversely arranged.
FIG. 2 is a schematic structural view of the excrement collecting device of the present application when the air cylinder is arranged longitudinally.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1, which is a schematic structural diagram of the excrement collecting device of the present application, the push-pull type anti-reverse-spraying excrement collecting device comprises a toilet 1 and a big sewage tank 2, wherein the lower end of the toilet 1 is connected with a sewage inlet pipe 11, the big sewage tank 2 is connected with a sewage discharge pipe 21, the push-pull type anti-reverse-spraying excrement collecting device also comprises a cylinder body 3, a piston 4 which is arranged in the cylinder body 3 and seals a cavity of the cylinder body 3, a driving mechanism which can drive the piston 4 to move along the axial direction of the cylinder body 3, and a one-way valve 5 which is arranged in the sewage discharge pipe 21; one end of the tub 3 is provided with a soil discharge port 32 connected to the soil discharge pipe 21 and the sidewall is provided with a soil inlet port 31 connected to the soil inlet pipe 11.
The piston 4 closes the sewage inlet 31 when the excrement collecting device does not work, namely the sewage inlet 31 is closed by the piston 4 under the normal state, and when sewage is discharged, the piston 4 is driven by the driving mechanism to move towards the other end of the cylinder 3 firstly so as to enable the cavity close to the sewage outlet 32 to form negative pressure and conduct the pipeline of the sewage inlet pipe 11 to suck the sewage in the toilet 1, and then moves towards the one end of the cylinder 3 so as to enable the cavity close to the sewage outlet 32 to form positive pressure so as to open the one-way valve 5 to enable the sewage in the cavity to enter the large sewage tank 2. When the dirt in the toilet 1 enters the cavity of the cylinder body 3, the dirt in the toilet 1 can enter the cavity more smoothly due to the negative pressure effect in the cavity of the cylinder body 3 close to the sewage discharge port 32, and meanwhile, the dirt in the toilet 1 can be sucked away more cleanly, so that the residue is reduced; after in the filth gets into the cavity, piston 4 removes to drain 32 direction, and piston 4 can seal dirty mouthful 31 at first, and dirty mouthful 31 is sealed the back, and the air in the cavity that cylinder body 3 is close to drain 32 is compressed, forms the malleation, and when pressure reached a definite value in the cavity, check valve 5 opened, and the filth in the cavity can push into big dirty case 2 under the malleation effect in the cavity.
Since the piston 4 seals the dirt inlet 31 during the process of discharging the dirt in the cavity to the dirt receptacle 2, and the pressure in the cavity is not greater than the pressure in the toilet bowl 1, the dirt in the cavity is not back-sprayed from the dirt inlet 31 into the toilet bowl 1. Simultaneously, the excrement collecting device of this application only need set up a check valve 5 can, the number of the valve that has significantly reduced is favorable to improving excrement collecting device's reliability.
In this embodiment, the dirt inlet 31 is arranged in the middle of the side wall of the cylinder 1, so that the system setting can be simplified, and the installation space can be saved, meanwhile, when the dirt inlet 31 is opened, 1/2 strokes of the piston 4 in the cylinder 3 are completed, and it can be ensured that the negative pressure storage state is completed on one side of the cavity of the cylinder 3 close to the dirt outlet 32, so that the dirt in the toilet 1 and the dirt inlet pipe 11 can be quickly sucked into the cavity of the cylinder 3 close to the dirt outlet 32, and similarly, when dirt is transferred, the piston 4 firstly blocks the dirt inlet 31, and then the piston 4 continues to move to pressurize the cavity at one end of the cylinder 3 close to the dirt outlet 32, so that the dirt is discharged from the dirt outlet 21, and thus the dirt in the cavity can be effectively prevented from being reversely sprayed out of the toilet 1 through the dirt inlet pipe 11.
The actuating mechanism in this application adopts power cylinder 6, and power cylinder 6 sets up the other end at cylinder body 3, and power cylinder 6's piston rod 61 stretches into and links to each other with piston 4 in the cylinder body 3 cavity. Of course, the power cylinder 6 can be replaced by a double-piston cylinder or a two-stage cylinder. Meanwhile, the power cylinder 6 can adopt an electric push rod, so that the air compressor can be normally used in places without compressed air.
The key to realizing the pressure change in the cavity of the cylinder 3 near the sewage draining exit 32 so that the sewage in the toilet bowl 1 can be smoothly transferred to the sewage tank 2 is the length of the piston 4, in this embodiment, the length of the piston 4 is 1/2 of the effective stroke of the piston 4, that is, 1/2 of the effective stroke of the power cylinder 6. Through the extension setting to the axial length of piston 4, can form fine closure effect to 3 cavitys of cylinder body and dirty mouthful 31 of advancing simultaneously, prevent gas leakage to reduce and use the energy consumption, and then practice thrift use cost. Of course, the length of the piston 4 can also be adjusted according to the use scene of the excrement collecting device.
During the installation and use of the excrement collecting device, the cylinder body 3 can be transversely arranged according to the installation position, as shown in figure 1, and of course, the excrement collecting device can also be longitudinally arranged, as shown in figure 2.
The cylinder 3 in the present application can be square or circular in cross section according to the volume requirement, and of course, it can also be a special-shaped cross section.
The toilet stool collecting apparatus of the present invention further includes components such as a water tank and a pressure water flushing device, and these components are not described in detail since they are out of the scope of the present invention.
The working process of the excrement collecting device of the present application is described in detail below with reference to the accompanying drawing 1:
in an initial state, a piston rod 61 of the power cylinder 6 extends out, the piston 4 is positioned on the right side of the cylinder body 3 to seal the dirt inlet 31, at the moment, the cylinder body 3, the toilet 1 and the big dirt box 2 are all in a normal pressure state, meanwhile, the toilet 1 and the cylinder body 3 are not communicated with each other because the dirt inlet 31 is blocked by the piston 4, and the cylinder body 3 and the big dirt box 2 are closed and not communicated with each other because the check valve 5 has opening pressure;
after the toilet 1 performs a flushing action (flushing for the first time), the piston rod 61 of the power cylinder 6 is retracted, the piston 4 moves towards the left side of the cylinder body 3, at the moment, the cylinder body 3, the toilet 1 and the sewage tank 2 are not communicated, and a cavity on the right side of the cylinder body 3 gradually generates negative pressure;
the piston 4 continues to move towards the left side of the cylinder 3, when the right end of the piston 4 moves to the dirt inlet 31, the piston 4 cannot continuously close the dirt inlet 31, at the moment, the toilet bowl 1 is communicated with the cavity on the right side of the cylinder 3, meanwhile, because negative pressure exists in the cavity on the right side of the cylinder 3, dirt in the toilet bowl 1 is sucked into the cavity on the right side of the cylinder 3, and the piston 4 continues to move leftwards to the left side limit position and then stops;
after the waiting time is set, the excrement collecting device executes the sewage transfer action, the piston rod 61 of the power cylinder 6 extends out, the piston 4 moves towards the right side of the cylinder body 3, when the piston 4 moves to close the sewage inlet 31, the toilet 1 is not communicated with the cavity on the right side of the cylinder body 3, the toilet flushes for the second time to form a water seal on the sewage inlet pipe 11, and meanwhile, positive pressure begins to be generated in the cavity on the right side of the cylinder body 3;
the piston 4 continues to move towards the right side of the cylinder body 3, when the positive pressure in the cavity at the right side of the cylinder body 3 reaches a certain value, namely the difference value between the pressure of the cavity at the right side of the cylinder body 3 and the pressure in the large sewage tank 2 reaches the opening pressure value of the one-way valve 5 in the sewage discharge pipe 21, the one-way valve 5 is opened, at the moment, the cylinder body 3 is communicated with the large sewage tank 2, and the sewage in the cavity at the right side of the cylinder body 3 is pushed into the large sewage tank 2;
the piston 4 stops moving, and the excrement collecting device returns to the initial state to wait for the next action.
While embodiments of the invention have been shown and described, it will be understood by those skilled in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a plug-type anti-reverse spray collection just device, includes stool pot and big dirty case, the stool pot lower extreme is connected with into dirty pipe, be connected with blow off pipe, its characterized in that on the big dirty case:
the device also comprises a cylinder body, a piston which is arranged in the cylinder body and seals the cavity of the cylinder body, a driving mechanism which can drive the piston to move along the axial direction of the cylinder body and a one-way valve which is arranged in the sewage discharge pipe;
one end of the cylinder body is provided with a sewage outlet connected with a sewage discharge pipe, and the side wall of the cylinder body is provided with a sewage inlet connected with a sewage inlet pipe;
the piston seals the sewage inlet when the excrement collecting device does not work and moves towards the other end of the cylinder body firstly during sewage discharge so that a cavity close to the sewage outlet forms negative pressure and is communicated with the sewage inlet pipeline to suck sewage in the toilet and then moves towards the one end of the cylinder body so that the cavity close to the sewage outlet forms positive pressure to open the one-way valve to enable the sewage in the cavity to enter the large sewage tank.
2. A push-pull anti-spray excrement collecting device according to claim 1, wherein: the sewage inlet is positioned in the middle of the cylinder body.
3. A push-pull anti-spray excrement collecting device according to claim 2, wherein: the length of the piston is 1/2 of the effective stroke of the piston.
4. A push-pull anti-spray excrement collecting device according to claim 3, wherein: the cylinder body is transversely arranged.
5. A push-pull anti-spray excrement collecting device according to claim 3, wherein: the cylinder body is longitudinally arranged.
6. A push-pull anti-spray excrement collecting device according to claim 1, wherein: the section of the cylinder body is square or round.
7. A push-pull anti-spray excrement collecting device according to claim 1, wherein: the driving mechanism is a power cylinder or an electric push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010844699.5A CN112061158B (en) | 2020-08-20 | 2020-08-20 | Push-pull type anti-reverse-spraying excrement collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010844699.5A CN112061158B (en) | 2020-08-20 | 2020-08-20 | Push-pull type anti-reverse-spraying excrement collecting device |
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| Publication Number | Publication Date |
|---|---|
| CN112061158A CN112061158A (en) | 2020-12-11 |
| CN112061158B true CN112061158B (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010844699.5A Active CN112061158B (en) | 2020-08-20 | 2020-08-20 | Push-pull type anti-reverse-spraying excrement collecting device |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010034902A1 (en) * | 1992-04-02 | 2001-11-01 | Tyler Steven J. | Vacuum flush waste disposal system for railcars |
| CN103419804B (en) * | 2012-05-22 | 2016-04-13 | 长春市朗瑞斯铁路装备有限公司 | A kind of feces collecting system and defecate collection method thereof |
| EP3321439A1 (en) * | 2016-11-15 | 2018-05-16 | Alte Technologies S.L.U. | Waste transfer system for a toilet of a public transport vehicle |
| CN106859465A (en) * | 2017-03-24 | 2017-06-20 | 王博 | Feces collecting system |
| CN207125690U (en) * | 2017-03-24 | 2018-03-23 | 王博 | Feces collecting system |
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Effective date of registration: 20230621 Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: Minglun village five 315112 villages and towns in Zhejiang city of Ningbo province Yinzhou District Patentee before: NINGBO CRRC TIMES ELECTRIC EQUIPMENT CO.,LTD. |