CN110886360B - Electroless mechanical air pressure self-opening semi-vacuum toilet - Google Patents
Electroless mechanical air pressure self-opening semi-vacuum toilet Download PDFInfo
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- CN110886360B CN110886360B CN201911213034.8A CN201911213034A CN110886360B CN 110886360 B CN110886360 B CN 110886360B CN 201911213034 A CN201911213034 A CN 201911213034A CN 110886360 B CN110886360 B CN 110886360B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
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Abstract
The invention discloses an electroless mechanical air pressure self-opening semi-vacuum closestool, which comprises a micro-pressure opening device, an air flow conversion device, a vacuum valve, a blow-off pipe, a micro-air pressure large pipe, a closestool and a waste collection box, wherein a main shell is provided with a circular groove, a U-shaped baffle and a middle support, the main shell is also provided with a taper pipe, and the outer side of the main shell is also provided with an air inlet; a long tongue plate is arranged at one end of a main plate of the Z-shaped wane, a small tongue plate of the Z-shaped wane is connected with the main plate through a connecting plate, a rubber block is arranged in a rubber mounting hole of the small tongue plate, two holes in the main plate are correspondingly sleeved on a conical inclined plane, and the long tongue plate is positioned inside the U-shaped baffle; the supporting column is arranged in the circular groove, and a groove is formed in the rear side of the middle part of the main body rod of the U-shaped pressing plate; the poke rod is pressed on the warping rods at the two ends of the main board; a reset push rod is arranged in the small round hole in a sliding manner; the invention has simple structure, small triggering air pressure, quick automatic opening and good feces discharging effect, and can be widely popularized and applied.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of toilet cleaning, in particular to the technical field of a semi-vacuum toilet which is automatically opened without using electromechanical air pressure.
[ background of the invention ]
In the current life, the vacuum closestool is controlled and driven by the electromagnetic valve, then water spraying cleaning is carried out, the electromagnetic valve driving needs to consume electric energy, and meanwhile, the phenomena of electric leakage and the like are easy to occur, so that the vacuum closestool is very dangerous; secondly, the electric drive is easy to damage and the working reliability is poor. In view of such circumstances, it is necessary to design a mechanical pneumatic opening semi-vacuum toilet.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a non-electric mechanical air pressure self-opening semi-vacuum closestool which is reliable in work, can be automatically opened, has a good excrement suction effect, is convenient to use and saves energy.
In order to achieve the purpose, the invention provides an electroless mechanical air pressure self-opening semi-vacuum closestool, which comprises a micro-pressure opening device, an air flow conversion device, a vacuum valve, a blow-off pipe, a micro-pressure large pipe, a closestool, a waste collection box, a main shell and a working column, wherein the main shell is provided with two circular grooves, two U-shaped baffles and two middle support columns, the circular grooves and the middle support columns are respectively positioned at two sides of the U-shaped baffles, the main shell is also provided with a taper pipe, a lower cylinder at the lower part of the middle support column is connected with an upper cylinder at the upper part of the middle support column through a conical inclined plane, a small circular hole is arranged at the outer side of the side wall of the main shell, and an air;
the micro-pressure opening device comprises a main shell, a U-shaped pressing plate, a Z-shaped wane, a rubber block, a reset push rod, a top cover, a supporting plate, a rubber film and a fixing cover, wherein a long tongue plate is arranged at one end of a main plate of the Z-shaped wane, two holes are formed in the main plate, one hole is a circular hole, the other hole is a waist-shaped hole, a small tongue plate of the Z-shaped wane is connected with the main plate through a connecting plate, a rubber mounting hole is formed in the small tongue plate, the rubber block is arranged in the rubber mounting hole, the distance between the centers of two middle supporting columns is equal to the distance between the center of the circular hole and the center of the waist-shaped hole, the circular hole and the waist-shaped hole are correspondingly sleeved on a conical inclined plane, the circular hole and the waist-shaped hole form a 12-20-degree;
two poke rods are symmetrically arranged at two ends of the front side of a main body rod of the U-shaped pressing plate, two support columns are arranged on the lower side of the main body rod and are arranged in the circular grooves, and grooves are formed in the rear side of the middle of the main body rod of the U-shaped pressing plate; the poke rod is pressed on the warping rods at the two ends of the main board; a reset push rod is arranged in the small round hole in a sliding manner, and one end of the reset push rod is positioned in the groove;
one end of the main shell is provided with a fixed ring groove, one end of the main shell is also fixedly provided with a support plate, a fixed ring block at the outer end of the rubber film is arranged in the fixed ring groove and is pressed tightly through the edge of one end of the fixed cover, a planar film in the middle of the rubber film is positioned on the upper surface of the support plate, the middle part of the planar film is provided with a middle convex block, the lower side of the middle convex block is provided with a fixed circular groove, and the edge of the planar film is connected with the fixed ring block; the thickness of the inclined surface film is 0.2-0.4mm, the thickness of the plane film is 0.6-1mm, the working column is fixed in the fixed circular groove through the fixed cylinder, and the working column is positioned in the central through hole in the middle of the supporting plate;
a concave groove is formed in the middle of the upper end of the fixed cover, a large through hole is formed in the bottom surface of the concave groove, a rubber blocking plate is covered on the bottom surface of the concave groove, the middle convex block is located in the large through hole, and a gap is reserved between the upper end surface of the middle convex block and one side of the rubber blocking plate;
the air flow conversion device comprises a first connecting block, a second connecting block, a third connecting block, a fourth connecting block, an E-shaped pipe, a shell, an energy storage cavity and a sealing ring, wherein the first connecting block is connected with the second connecting block and the third connecting block, a first groove of the first connecting block is opposite to a second groove of the second connecting block in position, a second communicating hole is formed in the side surface of the second groove, a second sealing block is arranged in the second communicating hole and fixed through a second stop block and a second baffle plate which are arranged at two ends of the second communicating hole, the edge of a floating rubber sheet is fixed at the joint between the first connecting block and the second connecting block, two sides of the middle part of the floating rubber sheet are fixed through the floating baffle plate, a screw penetrates through the floating rubber sheet and the floating baffle plate to fix the floating baffle plate on one end of a sliding rod, and the sliding rod sequentially penetrates through the second baffle plate, A second sealing block and a second blocking block, wherein a first spring is sleeved outside a sliding rod, one end of the first spring is contacted with the side face of a floating blocking plate, the other end of the first spring is contacted with the side face of the second blocking plate, the other end of a second connecting block is connected with one end of a third connecting block, a third communicating hole is formed in the side face of a third groove of the third connecting block, a third sealing block is arranged in the middle of the third communicating hole, the sliding rod is arranged in the third communicating hole and the third sealing block in a penetrating manner, the other end of the third connecting block is connected with one end of a fourth connecting block, the fourth connecting block is relatively provided with a fourth right groove and a fourth left groove, the fourth right groove and the fourth left groove are communicated through a conical blocking hole, a fourth blocking cover is arranged on the outer side cover of the fourth right groove, a rubber ball is arranged in the fourth right groove and is just positioned in the, a second spring is arranged between the rubber ball and the fourth blocking cover;
one end of a main round rod of the sliding rod is provided with a deep round groove, the side surface of the main round rod is provided with a kidney-shaped communication hole and a round communication hole, the kidney-shaped communication hole and the round communication hole are both communicated with the deep round groove, a threaded connecting rod of the top is arranged in the upper end of the deep round groove, and the threaded connecting rod is in threaded fit with the upper end of the deep round groove;
the first connecting block is also provided with a first access channel and a first output channel, and the first access channel and the first output channel are both communicated with the first groove; a second channel is arranged on the second connecting block and communicated with the second groove; a third outlet channel and a third access channel are arranged on the third connecting block, and are communicated with the third groove; a fourth channel is arranged on the fourth connecting block and communicated with the fourth right groove;
a first damping block is connected between the first end pipe of the E-shaped pipe and the first access channel, a second damping block is connected between the second end pipe of the E-shaped pipe and the second channel, and a cross-shaped through pipe is connected between the third end pipe of the E-shaped pipe and the third access channel; damping holes are formed in the first damping block and the second damping block, and the diameter of each damping hole is 0.1-0.2 mm; outer shells are covered on the outer sides of the first connecting block, the second connecting block, the third connecting block and the fourth connecting block, energy storage cavities are formed by the outer shells, the outer walls of the first connecting block, the second connecting block, the third connecting block and the fourth connecting block, and the energy storage cavities are communicated with the cross-shaped through pipe; sealing rings are further arranged on the cross sections of the first connecting block, the second connecting block, the third connecting block and the fourth connecting block which are connected in pairs;
a waste collection box is arranged at the lower side of the closestool and is communicated with the closestool, a discharge pipe and a micro-pneumatic pressure large pipe are arranged in the waste collection box in a penetrating way, and the micro-pneumatic pressure large pipe is connected with a micro-pneumatic pressure hole on the fixed cover through a micro-pneumatic pressure connecting pipe; a vacuum valve is arranged on the sewage discharge pipe, and a vacuum hole in the vacuum valve is connected with the fourth channel through a first connecting pipe; the sewage discharge pipe is connected with the third outlet channel through a second connecting pipe; and the connecting air hole in the top cover is connected with the first access channel through a third connecting pipe.
Preferably, the conical inclined surface is in line contact with the circular hole and the waist-shaped hole; the angle between the vertical side wall of the groove and the bottom side is beta, the beta range is 95-120 degrees, the included angle between the lower side surface of the poke rod (1022) and the vertical side surface of the main rod is alpha, and the alpha range is 70-85 degrees.
Preferably, the cross-sectional area of the taper pipe is small at the top and big at the bottom, and the lower part of the taper pipe is provided with a through hole; the connecting air hole is communicated with the through hole at the lower part of the taper pipe; the working column is opposite to the long tongue plate.
Preferably, the sliding rod forms a sliding fit with the second baffle plate and the second stop block, and the sliding rod forms a transition fit with the second sealing block.
The invention has the beneficial effects that: according to the invention, the lower cylinder at the lower part of the middle support column is connected with the upper cylinder at the upper part of the middle support column through the conical inclined plane, the main board is provided with two holes, one hole is a circular hole, the other hole is a waist-shaped hole, and the circular hole and the waist-shaped hole form a drawing taper of 12-20 degrees, so that the circular hole and the waist-shaped hole are sleeved on the conical inclined plane and form line contact, and the two ends of the Z-shaped wane can conveniently move up and down; the angle between the vertical side wall and the bottom side of the groove of the U-shaped pressing plate is beta, the range of beta is 95-120 degrees, the included angle between the lower side surface of the poke rod and the vertical side surface of the main body rod is alpha, the range of alpha is 70-85 degrees, and the poke rod can be well ensured to generate enough downward pressure to press on the warping rod when the reset push rod horizontally slides in the small circular hole, so that the rubber block is tightly pressed on the taper pipe, and the vacuum in the taper pipe is ensured; the rubber membrane is arranged, the thickness of the inclined surface membrane of the rubber membrane is only 0.2-0.4mm, the inclined surface membrane has a good stretching effect, and the working column can be effectively enabled to move towards the top cover under the action of small air pressure, so that the long tongue plate can be well pressed; the device is provided with an airflow conversion device, wherein the diameters of damping holes formed in the first damping block and the second damping block are 0.1-0.2mm, and airflow can be rapidly filled into the first groove, so that the sliding rod can rapidly push the rubber ball open, the third receiving and discharging channel and the fourth channel can be rapidly communicated, the vacuum valve is automatically opened, and the automatic discharge of feces is realized by a blow-off pipe; the invention has simple structure, small triggering air pressure, quick automatic opening and good feces discharging effect, and can be widely popularized and applied.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic view of a non-electromechanical pneumatic self-opening semi-vacuum toilet of the present invention;
FIG. 2 is a schematic cross-sectional view of a micro-pressure opening device for automatically opening a semi-vacuum toilet without using electromechanical air pressure according to the present invention;
FIG. 3 is an enlarged view of a part A of a micro-pressure opening device for automatically opening a semi-vacuum toilet without using electromechanical pressure;
FIG. 4 is an enlarged view of a part B of a micro-pressure opening device for automatically opening a semi-vacuum toilet without using electromechanical air pressure according to the present invention;
FIG. 5 is a schematic perspective view of a main body of a self-opening semi-vacuum toilet without electromechanical pressure according to the present invention;
FIG. 6 is a schematic view of a U-shaped pressing plate of the non-electromechanical pneumatic self-opening semi-vacuum toilet of the present invention;
FIG. 7 is a cross-sectional view of a U-shaped pressing plate of a non-electromechanical pneumatic self-opening semi-vacuum toilet of the present invention;
FIG. 8 is a cross-sectional view of a U-shaped pressing plate of a non-electro-mechanical-pneumatic self-opening semi-vacuum toilet according to the present invention, partially enlarged in section C;
FIG. 9 is a top view of a "Z" shaped rocker of a vacuum toilet without electro-mechanical pneumatic pressure to automatically turn on the toilet;
FIG. 10 is a cross-sectional view of a Z-shaped rocker of a non-electromechanical pneumatic self-opening semi-vacuum toilet of the present invention;
FIG. 11 is a cross-sectional view of an air flow switching device of a non-electro-mechanical pneumatic self-opening semi-vacuum toilet of the present invention;
FIG. 12 is an enlarged view of a cross section of a partial section E of an air flow switching device of a non-electromechanical air pressure self-opening semi-vacuum toilet according to the present invention;
FIG. 13 is a partial cross-sectional view of a sliding rod of a non-electromechanical pneumatic self-opening semi-vacuum toilet according to the present invention.
In the figure: 1000-micro-pressure opening device, 101-main shell, 1011-circular groove, 1012-U-shaped baffle, 1013-middle support column, 10131-lower cylinder, 10132-upper cylinder, 10133-conical slope, 1014-small circular hole, 1015-taper pipe, 1016-air inlet hole, 1017-fixed ring groove, 102-U-shaped pressing plate, 1021-main body rod, 1022-poke rod, 1023-support column, 1024-groove, 103-Z-shaped rocker, 1031-main plate, 1032-long tongue plate, 1033-support hole, 1034-rocker, 1035-small tongue plate, 1036-rubber mounting hole, 1037-connecting plate, 104-rubber block, 105-reset push rod, 106-top cover, 1061-connecting air hole, 107-support plate, 1071-central through hole, 108-rubber membrane, 1081-fixed ring block, 1082-plane membrane, 1083-inclined membrane, 1084-middle bump, 1085-fixed circular groove, 109-fixed cover, 1091-concave groove, 1092-large through hole, 1093-micro-pressure hole, 110-rubber blocking plate, 111-working column, 1111-fixed cylinder, 2000-airflow conversion device, 201-first connecting block, 2011-first connecting channel, 2012-first connecting channel, 2013-first groove, 202-second connecting block, 2021-second communicating hole, 2022-second groove, 2023-second blocking block, 2024-second sealing block, 2025-second blocking plate, 2026-floating rubber sheet, 2027-floating blocking plate, 2028-sliding rod, 20281-main circular rod, 20282-deep circular groove, 20283-kidney-shaped communication hole, 20284-circular communication hole, 20285-top, 2029-first spring, 20291-second channel, 203-third connecting block, 2031-third groove, 2032-third communication hole, 2033-third sealing block, 2034-third outlet channel, 2035-third inlet channel, 204-fourth connecting block, 2041-fourth right groove, 2042-fourth left groove, 2043-conical baffle hole, 2044-fourth baffle cover, 2045-second spring, 2046-rubber ball, 2047-fourth channel, 205-E character tube, 2051-first end tube, 2052-first damping block, 2053-second end tube, 2054-second damping block, 2055-third end tube, 2056-cross-shaped through tube, 206-energy storage cavity, 207-energy storage cavity, 208-sealing ring, 301-vacuum valve, 302-first connecting pipe, 303-second connecting pipe, 304-sewage draining pipe, 305-micro air pressure large pipe, 306-micro air pressure connecting pipe, 307-third connecting pipe, 308-closestool, 309-waste collecting box.
[ detailed description ] embodiments
Referring to fig. 1-13, the electroless mechanical air pressure self-opening semi-vacuum toilet of the present invention comprises a micro-pressure opening device 1000, an air flow conversion device 2000, a vacuum valve 301, a sewage pipe 304, a micro-pressure large pipe 305, a toilet 308, a waste collection tank 309, a main housing 101 and a working column 111, wherein the main housing 101 is provided with a circular groove 1011, a U-shaped baffle 1012 and a middle support 1013, the number of the circular groove 1011 and the middle support 1013 is two, the circular groove 1011 and the middle support 1013 are respectively located at two sides of the U-shaped baffle 1012, the main housing 101 is further provided with a taper pipe 1015, the lower cylinder 10131 at the lower part of the middle support 1013 is connected with the upper cylinder 10132 at the upper part of the middle support 1013 through a conical slope 10133, the outer side wall of the main housing 101 is provided with a small circular hole 1014, and the outer;
the micro-pressure opening device 1000 comprises a main housing 101, a U-shaped pressing plate 102, a Z-shaped warping plate 103, a rubber block 104, a reset push rod 105, a top cover 106, a supporting plate 107, a rubber membrane 108 and a fixed cover 109, wherein one end of a main plate 1031 of the Z-shaped warping plate 103 is provided with a long tongue plate 1032, the main plate 1031 is provided with two holes, one hole is a circular hole, the other hole is a waist-shaped hole, a small tongue plate 1035 of the Z-shaped warping plate 103 is connected with the main plate 1031 through a connecting plate 1037, the small tongue plate 1035 is provided with a rubber mounting hole 1036, the rubber block 104 is arranged in the rubber mounting hole 1036, the distance between the centers of two middle supporting columns 1013 is equal to the distance between the center of the circular hole and the center of the waist-shaped hole, the circular hole and the waist-shaped hole are correspondingly sleeved on a conical inclined plane 10133, the circular hole and the waist-shaped hole form a, the long tongue plate 1032 is positioned inside the U-shaped baffle 1012;
two poke rods 1022 are symmetrically arranged at two ends of the front side of a main body rod 1021 of the U-shaped pressing plate 102, two support columns 1023 are arranged at the lower side of the main body rod 1021, the support columns 1023 are arranged in the circular grooves 1011, and grooves 1024 are arranged at the rear side of the middle part of the main body rod 1021 of the U-shaped pressing plate 102; the poke rod 1022 presses the tilting rods 1034 at the two ends of the main board 1031; a reset push rod 105 is arranged in the small round hole 1014 in a sliding manner, and one end of the reset push rod 105 is positioned in the groove 1024;
one end of the main housing 101 is provided with a fixing ring groove 1017, one end of the main housing 101 is further fixedly provided with a support plate 107, a fixing ring 1081 at the outer end of the rubber film 108 is arranged in the fixing ring groove 1017 and is pressed tightly through the edge of one end of the fixing cover 109, a plane film 1082 in the middle of the rubber film 108 is positioned on the upper surface of the support plate 107, a middle convex block 1084 is arranged in the middle of the plane film 1082, a fixing circular groove 1085 is formed in the lower side of the middle convex block 1084, and the edge of the plane film 1082 is connected with the fixing ring 1081 through an inclined plane film; the thickness of the inclined surface film 1083 is 0.2-0.4mm, the working column 111 is fixed in the fixed circular groove 1085 through the fixed cylinder 1111, and the working column 111 is located in the central through hole 1071 in the middle of the support plate 107;
a concave groove 1091 is formed in the middle of the upper end of the fixed cover 109, a large through hole 1092 is formed in the bottom surface of the concave groove 1091, a rubber blocking plate 110 is covered on the bottom surface of the concave groove 1091, the middle convex block 1084 is located in the large through hole 1092, and a gap is reserved between the upper end surface of the middle convex block 1084 and one side of the rubber blocking plate 110;
the air flow switching device 2000 comprises a first connecting block 201, a second connecting block 202, a third connecting block 203, a fourth connecting block 204, an E-shaped pipe 205, an outer shell 206, an energy storage chamber 207 and a sealing ring 208, wherein the first connecting block 201 is connected with the second connecting block 202 and the third connecting block 203, a first groove 2013 of the first connecting block 201 is opposite to a second groove 2022 of the second connecting block 202, a second communication hole 2021 is formed in the side surface of the second groove 2022, a second sealing block 2024 is arranged in the second communication hole 2021, the second sealing block 2024 is fixed through a second stopper 2023 and a second stopper 2025 which are arranged at both ends of the second communication hole 2021, the edge of a floating rubber sheet 2026 is fixed at the connection position between the first connecting block 201 and the second connecting block 202, both sides of the middle part of the floating rubber sheet 2026 are fixed through the floating stopper 2027, a screw passes through the floating rubber sheet 2026 and the floating stopper 2027 to fix the floating stopper 2027 on one end of a sliding rod 2028, the sliding rod 2028 sequentially passes through the second baffle 2025, the second sealing block 2024 and the second baffle 2023, a first spring 2029 is sleeved outside the sliding rod 2028, one end of the first spring 2029 contacts with the side surface of one floating baffle 2027, the other end of the first spring 2029 contacts with the side surface of the second baffle 2025, the other end of the second connecting block 202 is connected with one end of the third connecting block 203, a third communicating hole 2032 is formed on the side surface of a third groove 2031 of the third connecting block 203, a third sealing block 2033 is arranged in the middle of the third communicating hole 2032, the sliding rod 2028 is arranged in the third communicating hole 2032 and the third sealing block 2033 in a penetrating manner, the other end of the third connecting block 203 is connected with one end of the fourth connecting block 204, the fourth connecting block 204 is provided with a fourth right groove 2041 and a fourth left groove 2042 in an opposite manner, the fourth right groove 2041 and the fourth left groove 2042 are communicated through a tapered blocking hole 2043, a fourth blocking cover 2044 is covered outside the fourth right groove 204, a rubber ball 2046 is arranged in the fourth right groove 2041, the rubber ball 2046 is just positioned in the tapered blocking hole 2043, the diameter of the rubber ball 2046 is larger than that of the tapered blocking hole 2043, and a second spring 2045 is arranged between the rubber ball 2046 and the fourth blocking cover 2044;
a deep circular groove 20282 is formed in one end of a main circular rod 20281 of the sliding rod 2028, a waist-shaped communication hole 20283 and a circular communication hole 20284 are formed in the side face of the main circular rod 20281, the waist-shaped communication hole 20283 and the circular communication hole 20284 are both communicated with the deep circular groove 20282, a threaded connecting rod of the top 20285 is arranged in the upper end of the deep circular groove 20282, and the threaded connecting rod is in threaded fit with the upper end of the deep circular groove 20282;
a first access channel 2012 and a first output channel 2011 are also arranged on the first connecting block 201, and the first access channel 2012 and the first output channel 2011 are both communicated with the first groove 2013; the second connecting block 202 is provided with a second channel 20291, and the second channel 20291 is communicated with the second groove 2022; a third outlet channel 2034 and a third inlet channel 2035 are arranged on the third connecting block 203, and the third outlet channel 2034 and the third inlet channel 2035 are both communicated with the third groove 2031; a fourth channel 2047 is arranged on the fourth connecting block 204, and the fourth channel 2047 is communicated with the fourth right groove 2041;
a first damping block 2052 is connected between the first end pipe 2051 of the E-shaped pipe 205 and the first outlet channel 2011, a second damping block 2054 is connected between the second end pipe 2053 of the E-shaped pipe 205 and the second channel 20291, and a cross-shaped through pipe 2056 is connected between the third end pipe 2055 of the E-shaped pipe 205 and the third inlet channel 2035; damping holes with the diameter of 0.1-0.2mm are formed in the first damping block 2052 and the second damping block 2054; an outer shell 206 is covered on the outer sides of the first connecting block 201, the second connecting block 202, the third connecting block 203 and the fourth connecting block 204, an energy storage cavity 207 is formed by the outer shell 206 and the outer side walls of the first connecting block 201, the second connecting block 202, the third connecting block 203 and the fourth connecting block 204, and the energy storage cavity 207 is communicated with the cross-shaped through pipe 2056; sealing rings are further arranged on the cross sections of the first connecting block 201, the second connecting block 202, the third connecting block 203 and the fourth connecting block 204 which are connected in pairs;
a waste collection box 309 is arranged on the lower side of the closestool 308, the waste collection box 309 is communicated with the closestool 308, a discharge pipe 304 and a micro-pressure large pipe 305 penetrate through the waste collection box 309, and the micro-pressure large pipe 305 is connected with a micro-pressure hole 1093 on the fixed cover 109 through a micro-pressure connecting pipe 306; a vacuum valve 301 is arranged on the sewage discharge pipe 304, and a vacuum hole on the vacuum valve 301 is connected with the fourth channel 2047 through a first connecting pipe 302; the sewage draining pipe 304 is connected with the third outlet channel 2034 through a second connecting pipe 303; the connection air hole 1061 on the top cover 106 is connected with the first access channel 2012 through a third connection pipe 307;
the conical inclined plane 10133 is in line contact with the circular hole and the waist-shaped hole; the angle between the vertical side wall and the bottom side of the groove 1024 is beta, the range of beta is 95-120 degrees, the included angle between the lower side surface of the poke rod 1022 and the vertical side surface of the main body rod 1021 is alpha, and the range of alpha is 70-85 degrees;
the cross-sectional area of the taper pipe 1015 is small at the top and big at the bottom, and the lower part of the taper pipe 1015 is provided with a through hole; the connecting air hole 1061 is communicated with a through hole at the lower part of the taper pipe 1015; the working column 111 is opposite to the long tongue plate 1032;
the sliding rod 2028 is in sliding fit with the second baffle 2025 and the second baffle 2023, and the sliding rod 2028 is in transition fit with the second sealing block 2024.
The working process of the invention is as follows:
in the working process of the electroless mechanical air pressure self-opening semi-vacuum closestool, when the closestool 308 continuously discharges excrement to the excrement collecting box 309 to enable the liquid level of the excrement to be higher than the positions of the orifices of the micro air pressure large pipe 305 and the sewage discharge pipe 304, the excrement part enters the micro air pressure large pipe 305, air in the micro air pressure large pipe 305 enters the micro air pressure connecting pipe 306 and then enters the micro pressure hole 1093, the air generates micro pressure on the centering bump 1084, the inclined surface film 1083 stretches to enable the working column 111 to move to press the long tongue plate 1032 of the Z-shaped warping plate 103, the Z-shaped warping plate 103 tilts, the rubber block 104 leaves the end face of the taper 1015 pipe, outside air enters the air inlet hole 1015 through 1016, outside air enters the first groove 2013 through the third connecting pipe 307, the damping air of the first damping block 2052 and the second damping block 2054 buffers the air entering the first groove 2013, the floating rubber sheet 2026 stretches to push the rod 2028 to move rightwards, the first spring 2029 is compressed, the top 20285 pushes the rubber ball 2046 to move, the second spring 2045 is compressed, the circular communication hole 20284 moves from the inside of the third sealing block 2033 to the inside of the fourth left groove 2042, the kidney-shaped communication hole 20283 is always positioned in the third groove 2031, the deep circular groove 20282, the kidney-shaped communication hole 20283 and the circular communication hole 20284 on the sliding rod 2028 enable the third groove 2031 and the fourth left groove 2042 to be communicated with each other, the other end of the sewage discharge pipe 304 is connected with a vacuum device, the sewage discharge pipe 304 is vacuumized, the second connecting pipe 303 is also vacuumized, the energy storage chamber 207 is vacuumized, the second connecting pipe 303 and the energy storage chamber 207 simultaneously pump air in the first connecting pipe 302 to be vacuumized, so that the vacuum valve 301 is opened, the sewage discharge pipe 304 keeps a true pipe unblocked, the sewage is discharged through the sewage discharge pipe 304, when the sewage is discharged to a position where the sewage level is lower than the micro-air pressure micro-pipe 305, the air pressure in the connecting pipe 306 is reduced, the pressure of the working column 111 on the long tongue 1032 of the Z-shaped rocker 103 is reduced, the first spring 2029 and the second spring 2045 are deformed again, the sliding rod 2028 moves leftwards, the floating rubber sheet 2026 returns to the original position, the circular communication hole 20284 returns to the third sealing block 2033, the third groove 2031 and the fourth left groove 2042 are not communicated any more, the rubber ball 2046 blocks the tapered blocking hole, the gas in the first groove 2013 flows back to the taper tube 1015 and passes through, the reset push rod 105 is pushed manually, the toggle rod 1022 presses the rocker 1034 downwards, the rubber block 104 is pressed to the taper tube 1015 to block the taper tube 1015, the second connecting block 202 is not vacuumized any more to close the vacuum valve 301, and the second connecting tube 303 is still vacuumized, so that the first groove 2013, the second groove 2022 and the energy storage cavity 207 are vacuumized again to prepare for the next discharge of the excrement, and the circulation is performed, so that the automatic and automatic discharge of the excrement is continuously realized.
According to the invention, the lower cylinder 10131 of the middle support column 1013 is connected with the upper cylinder 10132 of the support column 1013 through the conical inclined plane 10133, the main plate 1031 is provided with two holes, one hole is a circular hole, the other hole is a waist-shaped hole, the circular hole and the waist-shaped hole form a drawing taper of 12-20 degrees, so that the circular hole and the waist-shaped hole are sleeved on the conical inclined plane 10133 and form line contact, and the up-and-down movement of two ends of the Z-shaped wane 103 can be conveniently realized; the angle between the vertical side wall and the bottom side of the groove 1024 of the U-shaped pressing plate 102 is beta, the range of beta is 95-120 degrees, the included angle between the lower side surface of the poke rod 1022 and the vertical side surface of the main body rod 1021 is alpha, the range of alpha is 70-85 degrees, and therefore when the reset push rod 105 horizontally slides in the small circular hole, enough downward pressure generated by the poke rod 1022 is guaranteed to be pressed on the warping rod 1034, the rubber block 104 is tightly pressed on the taper tube 1015, and the vacuum inside the taper tube 1015 is guaranteed; the rubber membrane 108 is arranged, the thickness of the inclined plane membrane 1083 of the rubber membrane 108 is only 0.2-0.4mm, and the working column 111 can be effectively enabled to move towards the top cover under the action of small air pressure, so that the long tongue plate 1032 can be well pressed; the air flow conversion device 2000 is arranged, wherein the first damping block 2052 and the second damping block 2054 are provided with damping holes with the diameter of 0.1-0.2mm, the thickness of the planar membrane 1082 is 0.6-1mm, and the air flow can be rapidly filled into the first groove 2013, so that the sliding rod 2028 can rapidly push the rubber ball 2046 open, the third outlet channel 2034 and the fourth channel 2047 can be rapidly communicated, the vacuum valve 301 is automatically opened, and the sewage pipe 304 can automatically discharge the excrement; the invention has simple structure, small triggering air pressure, quick automatic opening and good feces discharging effect, and can be widely popularized and applied.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (4)
1. The utility model provides a no electric machinery atmospheric pressure is from opening half vacuum closestool which characterized in that: comprises a micro-pressure opening device (1000), an air flow conversion device (2000), a vacuum valve (301), a sewage discharge pipe (304), a micro-pressure large pipe (305), a closestool (308), a waste collection box (309), a main shell (101) and a working column (111), the main shell (101) is provided with a round groove (1011), a U-shaped baffle (1012) and a middle support column (1013), the number of the circular grooves (1011) and the middle support columns (1013) is two, the circular grooves (1011) and the middle support columns (1013) are respectively positioned at two sides of the U-shaped baffle (1012), the main shell (101) is further provided with a taper pipe (1015), a lower cylindrical column (10131) at the lower part of the middle support column (1013) is connected with an upper cylindrical column (10132) at the upper part of the middle support column (1013) through a taper inclined plane (10133), a small round hole (1014) is formed in the outer side of the side wall of the main shell (101), and an air inlet hole (1016) is formed in the outer side of the main shell (101);
the micro-pressure opening device (1000) comprises a main shell (101), a U-shaped pressing plate (102), a Z-shaped warping plate (103), a rubber block (104), a reset push rod (105), a top cover (106), a supporting plate (107), a rubber membrane (108) and a fixed cover (109), wherein one end of a main plate (1031) of the Z-shaped warping plate (103) is provided with a long tongue plate (1032), the main plate (1031) is provided with two holes, one hole is a circular hole, the other hole is a waist-shaped hole, a small tongue plate (1035) of the Z-shaped warping plate (103) is connected with the main plate (1031) through a connecting plate (1037), a rubber mounting hole (1036) is formed in the small tongue plate (1035), the rubber block (104) is arranged in the rubber mounting hole (1036), the distance between the centers of two middle supporting columns (1013) is equal to the distance between the center and the center of the waist, the circular hole and the waist-shaped hole are, the round hole and the kidney-shaped hole form a drawing taper of 12-20 degrees, the rubber block (104) is positioned right above the taper pipe (1015), and the long tongue plate (1032) is positioned inside the U-shaped baffle plate (1012);
two poke rods (1022) are symmetrically arranged at two ends of the front side of a main body rod (1021) of the U-shaped pressing plate (102), two supporting columns (1023) are arranged on the lower side of the main body rod (1021), the supporting columns (1023) are arranged in the circular grooves (1011), and grooves (1024) are arranged on the rear side of the middle part of the main body rod (1021) of the U-shaped pressing plate (102); the poke rod (1022) is pressed on the tilting rods (1034) at the two ends of the main board (1031); a reset push rod (105) is arranged in the small round hole (1014) in a sliding mode, and one end of the reset push rod (105) is located in the groove (1024);
one end of the main shell (101) is provided with a fixing ring groove (1017), one end of the main shell (101) is further fixedly provided with a support plate (107), a fixing ring block (1081) at the outer end of the rubber membrane (108) is arranged in the fixing ring groove (1017) and is pressed tightly through the edge of one end of the fixing cover (109), a plane membrane (1082) in the middle of the rubber membrane (108) is positioned on the upper surface of the support plate (107), a middle bump (1084) is arranged in the middle of the plane membrane (1082), a fixing circular groove (1085) is formed in the lower side of the middle bump (1084), and the edge of the plane membrane (1082) is connected with the fixing ring block (1081) through an inclined membrane (1083); the thickness of the inclined surface film (1083) is 0.2-0.4mm, the thickness of the plane film (1082) is 0.6-1mm, the working column (111) is fixed in the fixed circular groove (1085) through the fixed cylinder (1111), and the working column (111) is positioned in the central through hole (1071) in the middle of the supporting plate (107);
a concave groove (1091) is formed in the middle of the upper end of the fixed cover (109), a large through hole (1092) is formed in the bottom surface of the concave groove (1091), a rubber blocking plate (110) is covered on the bottom surface of the concave groove (1091), the middle bump (1084) is located in the large through hole (1092), and a gap is reserved between the upper end surface of the middle bump (1084) and one side of the rubber blocking plate (110);
the air flow conversion device (2000) comprises a first connecting block (201), a second connecting block (202), a third connecting block (203), a fourth connecting block (204), an E-shaped pipe (205), an outer shell (206), an energy storage cavity (207) and a sealing ring (208), wherein the first connecting block (201) is connected with the second connecting block (202) and the third connecting block (203), a first groove (2013) of the first connecting block (201) is opposite to a second groove (2022) of the second connecting block (202), a second communicating hole (2021) is formed in the side surface of the second groove (2022), a second sealing block (2024) is arranged in the second communicating hole (2021), the second sealing block (2024) is fixed through a second stop block (2023) and a second baffle plate (2025) which are arranged at two ends of the second communicating hole (2021), the edge of a floating rubber sheet (2026) is fixed at the connection position between the first connecting block (201) and the second connecting block (202), the two sides of the middle part of the floating rubber sheet (2026) are fixed by a floating baffle plate (2027), a screw passes through the floating rubber sheet (2026) and the floating baffle plate (2027) to fix the floating baffle plate (2027) on one end of a sliding rod (2028), the sliding rod (2028) sequentially passes through a second baffle plate (2025), a second sealing block (2024) and a second stop block (2023), a first spring (2029) is sleeved outside the sliding rod (2028), one end of the first spring (2029) is contacted with the side surface of one floating baffle plate (2027), the other end of the first spring (2029) is contacted with the side surface of the second baffle plate (2025), the other end of the second connecting block (202) is connected with one end of a third connecting block (203), a third communicating hole (2032) is arranged on the side surface of a third groove (2031) of the third connecting block (203), a third communicating hole (2033) is arranged at the middle part of the third communicating hole (2032), the sliding rod (2028) is arranged in the third communicating hole (2) and the sealing block (203, the other end of the third connecting block (203) is connected with one end of a fourth connecting block (204), the fourth connecting block (204) is relatively provided with a fourth right groove (2041) and a fourth left groove (2042), the fourth right groove (2041) and the fourth left groove (2042) are communicated through a tapered blocking hole (2043), a fourth blocking cover (2044) is covered on the outer side of the fourth right groove (2041), a rubber ball (2046) is arranged in the fourth right groove (2041), the rubber ball (2046) is just positioned in the tapered blocking hole (2043), the diameter of the rubber ball (2046) is larger than that of the tapered blocking hole (2043), and a second spring (2045) is arranged between the rubber ball (2046) and the fourth blocking cover (2044);
one end of a main round rod (20281) of the sliding rod (2028) is provided with a deep round groove (20282), the side surface of the main round rod (20281) is provided with a waist-shaped communication hole (20283) and a round communication hole (20284), the waist-shaped communication hole (20283) and the round communication hole (20284) are both communicated with the deep round groove (20282), a threaded connecting rod of a top head (20285) is arranged in the upper end of the deep round groove (20282), and the threaded connecting rod and the upper end of the deep round groove (20282) form threaded fit;
the first connecting block (201) is further provided with a first access channel (2012) and a first output channel (2011), and the first access channel (2012) and the first output channel (2011) are communicated with the first groove (2013); a second channel (20291) is arranged on the second connecting block (202), and the second channel (20291) is communicated with the second groove (2022); a third outgoing channel (2034) and a third access channel (2035) are arranged on the third connecting block (203), and the third outgoing channel (2034) and the third access channel (2035) are communicated with the third groove (2031); a fourth channel (2047) is arranged on the fourth connecting block (204), and the fourth channel (2047) is communicated with the fourth right groove (2041);
a first damping block (2052) is connected between a first end pipe (2051) of the E-shaped pipe (205) and the first access channel (2011), a second damping block (2054) is connected between a second end pipe (2053) of the E-shaped pipe (205) and the second channel (20291), and a cross-shaped through pipe (2056) is connected between a third end pipe (2055) of the E-shaped pipe (205) and the third access channel (2035); damping holes are formed in the first damping block (2052) and the second damping block (2054), and the diameter of each damping hole is 0.1-0.2 mm; outer shells (206) are arranged on the outer side covers of the first connecting block (201), the second connecting block (202), the third connecting block (203) and the fourth connecting block (204), energy storage cavities (207) are formed by the outer shells (206) and the outer side walls of the first connecting block (201), the second connecting block (202), the third connecting block (203) and the fourth connecting block (204), and the energy storage cavities (207) are communicated with a cross through pipe (2056); sealing rings are further arranged on the cross sections of the first connecting block (201), the second connecting block (202), the third connecting block (203) and the fourth connecting block (204) which are connected in pairs;
a waste collection box (309) is arranged on the lower side of the closestool (308), the waste collection box (309) is communicated with the closestool (308), a discharge pipe (304) and a micro-air-pressure large pipe (305) penetrate through the waste collection box (309), and the micro-air-pressure large pipe (305) is connected with a micro-pressure hole (1093) in the fixed cover (109) through a micro-air-pressure connecting pipe (306); a vacuum valve (301) is arranged on the sewage discharge pipe (304), and a vacuum hole on the vacuum valve (301) is connected with the fourth channel (2047) through a first connecting pipe (302); the sewage discharge pipe (304) is connected with the third outlet channel (2034) through a second connecting pipe (303); the connecting air hole (1061) on the top cover (106) is connected with the first access channel (2012) through a third connecting pipe (307).
2. The electroless mechanical gas pressure self-opening semi-vacuum toilet bowl as claimed in claim 1, wherein: the conical inclined plane (10133) is in line contact with the circular hole and the waist-shaped hole; the angle between the vertical side wall and the bottom side of the groove (1024) is beta, the beta range is 95-120 degrees, the included angle between the lower side surface of the poke rod (1022) and the vertical side surface of the main body rod (1021) is alpha, and the alpha range is 70-85 degrees.
3. The electroless mechanical gas pressure self-opening semi-vacuum toilet bowl as claimed in claim 1, wherein: the cross section area of the taper pipe (1015) is small at the top and big at the bottom, and the lower part of the taper pipe (1015) is provided with a through hole; the connecting air hole (1061) is communicated with a through hole at the lower part of the taper pipe (1015); the working column (111) is opposite to the long tongue plate (1032).
4. The electroless mechanical gas pressure self-opening semi-vacuum toilet bowl as claimed in claim 1, wherein: the sliding rod (2028) is in sliding fit with the second baffle plate (2025) and the second stop block (2023), and the sliding rod (2028) is in transition fit with the second sealing block (2024).
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| CN201911213034.8A CN110886360B (en) | 2019-12-02 | 2019-12-02 | Electroless mechanical air pressure self-opening semi-vacuum toilet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911213034.8A CN110886360B (en) | 2019-12-02 | 2019-12-02 | Electroless mechanical air pressure self-opening semi-vacuum toilet |
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| CN110886360B true CN110886360B (en) | 2021-01-08 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0530859A3 (en) * | 1988-09-06 | 1993-07-14 | Metra Oy Ab | Vacuum toilet system |
| JP2000139769A (en) * | 1998-11-11 | 2000-05-23 | Susumu Nakatani | Suction pipe switching structure of vacuum apparatus or the like and vacuum type toilet |
| CN2832954Y (en) * | 2005-11-18 | 2006-11-01 | 宁波南车时代传感技术有限公司 | Compact vacuum feces collecting device |
| CN202064423U (en) * | 2011-02-18 | 2011-12-07 | 王小龙 | Vacuum dejecta collecting device |
| CN103930628A (en) * | 2011-10-07 | 2014-07-16 | 韩承埈 | Vacuum suction-type toilet, and method for controlling operation of vacuum suction-type toilet |
| WO2015089723A1 (en) * | 2013-12-17 | 2015-06-25 | 郑卯吉 | Seat-type air-extracting suction apparatus to aid bowel movement |
| CN104846987A (en) * | 2014-12-03 | 2015-08-19 | 合肥宏士达环保科技有限责任公司 | Vacuum toilet wastewater collector |
| JP2016032552A (en) * | 2014-07-31 | 2016-03-10 | アロン化成株式会社 | Arrangement structure of vacuum unit body of suction type simple toilet |
| CN206351688U (en) * | 2016-12-28 | 2017-07-25 | 长春市朗瑞斯环保科技有限公司 | A kind of vacuum pumping-type feces collecting system |
| CN206693343U (en) * | 2017-03-23 | 2017-12-01 | 江苏慧明智能科技有限公司 | Care bed vacuum excrement collector |
| JP2019182323A (en) * | 2018-04-16 | 2019-10-24 | 株式会社五光製作所 | Tank system for railway vehicle and toilet system for railway vehicle |
-
2019
- 2019-12-02 CN CN201911213034.8A patent/CN110886360B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0530859A3 (en) * | 1988-09-06 | 1993-07-14 | Metra Oy Ab | Vacuum toilet system |
| JP2000139769A (en) * | 1998-11-11 | 2000-05-23 | Susumu Nakatani | Suction pipe switching structure of vacuum apparatus or the like and vacuum type toilet |
| CN2832954Y (en) * | 2005-11-18 | 2006-11-01 | 宁波南车时代传感技术有限公司 | Compact vacuum feces collecting device |
| CN202064423U (en) * | 2011-02-18 | 2011-12-07 | 王小龙 | Vacuum dejecta collecting device |
| CN103930628A (en) * | 2011-10-07 | 2014-07-16 | 韩承埈 | Vacuum suction-type toilet, and method for controlling operation of vacuum suction-type toilet |
| WO2015089723A1 (en) * | 2013-12-17 | 2015-06-25 | 郑卯吉 | Seat-type air-extracting suction apparatus to aid bowel movement |
| JP2016032552A (en) * | 2014-07-31 | 2016-03-10 | アロン化成株式会社 | Arrangement structure of vacuum unit body of suction type simple toilet |
| CN104846987A (en) * | 2014-12-03 | 2015-08-19 | 合肥宏士达环保科技有限责任公司 | Vacuum toilet wastewater collector |
| CN206351688U (en) * | 2016-12-28 | 2017-07-25 | 长春市朗瑞斯环保科技有限公司 | A kind of vacuum pumping-type feces collecting system |
| CN206693343U (en) * | 2017-03-23 | 2017-12-01 | 江苏慧明智能科技有限公司 | Care bed vacuum excrement collector |
| JP2019182323A (en) * | 2018-04-16 | 2019-10-24 | 株式会社五光製作所 | Tank system for railway vehicle and toilet system for railway vehicle |
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