CN112049962B - Vacuum blow-down valve - Google Patents
Vacuum blow-down valve Download PDFInfo
- Publication number
- CN112049962B CN112049962B CN202011093770.7A CN202011093770A CN112049962B CN 112049962 B CN112049962 B CN 112049962B CN 202011093770 A CN202011093770 A CN 202011093770A CN 112049962 B CN112049962 B CN 112049962B
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- China
- Prior art keywords
- rubber tube
- sliding
- pipe joint
- valve body
- pressure spring
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- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims abstract 9
- 239000010865 sewage Substances 0.000 claims description 41
- 238000007789 sealing Methods 0.000 claims description 38
- 238000004804 winding Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 4
- 239000012945 sealing adhesive Substances 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 230000002146 bilateral effect Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/02—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm
- F16K7/04—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force
- F16K7/07—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force by means of fluid pressure
- F16K7/075—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force by means of fluid pressure a rigid body being located within the tubular diaphragm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sewage (AREA)
Abstract
The utility model provides a vacuum blowoff valve, includes valve body, rubber tube, the automatic clamping device of rubber tube, goes up the membrane bowl, lower membrane bowl, air pipe joint, the automatic clamping device of rubber tube includes pressure spring, pressure spring seat, goes up balladeur train and lower balladeur train, upward is equipped with first vertical rack, drive gear and second vertical rack between balladeur train and the lower balladeur train, drive gear's high fixed is unchangeable, upward can carry out the transmission through drive gear when balladeur train and lower balladeur train carry out the relative slip, realize synchronous opening and synchronous folding, the in-process that opens and shuts makes upper portion, the lower part of rubber tube can be relaxed and by the extrusion simultaneously, switch on and shut off fast, work efficiency is high, make the atress of rubber tube bilateral symmetry about, can not unilateral atress and make one side overstretch, the life-span of rubber tube has been prolonged.
Description
Technical Field
The invention relates to the technical field of blow-down valves, in particular to a vacuum blow-down valve.
Background
At present, sewage collecting systems such as a toilet and the like are widely applied to airplanes, trains, mobile toilets and the like, a pump type vacuum sewage collecting system is one of the sewage collecting systems, sewage in squatting pans and urinals is pumped by a vacuum pump, a sewage discharging valve is arranged on a sewage discharging pipeline and used for controlling the on and off of the sewage discharging pipeline, the existing sewage discharging valve is more in types and comprises an electric valve, a pneumatic valve and the like, the sewage discharging valve driven by a vacuum source is also arranged, a closed cavity is arranged in the sewage discharging valve, the closed cavity is communicated with the vacuum system by adopting an air entraining pipeline, and after the cavity is vacuumized, the cavity contracts, and a rubber pipe in the sewage discharging valve is blocked by the movement of an elastic component in the cavity.
However, after the blowoff valve with the cavity bag is connected to the vacuum system, a plurality of defects exist, firstly, when the elastic component in the blowoff valve moves, the interception can only be blocked along one side of the pipeline in the blowoff valve, the effect of intercepting sewage flow is affected, and secondly, after the same part of the rubber pipe is clamped repeatedly for a long time, the rubber pipe is easy to break, so that sewage flows into the valve body.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a vacuum blow-down valve, which improves a mechanism in the blow-down valve, extrudes a blow-down hose up and down and has good interception effect.
The invention solves the technical problems by adopting the technical scheme that: the vacuum sewage valve comprises a valve body, a rubber tube, an automatic rubber tube clamping device, an upper film bowl, a lower film bowl and an air tube joint, wherein a sealing cavity is formed in the valve body; the upper sliding frame comprises two vertical sliding rails which are arranged left and right, the two vertical sliding rails are fixedly connected with the upper cover through screws, a transmission groove is formed in the outer side face of the vertical sliding rail, a second vertical rack is fixed in the transmission groove, a transmission gear is meshed between the first vertical rack and the second vertical rack and fixedly installed on a transmission shaft, limiting through grooves are formed in the inner wall faces of the two sides of the U-shaped sliding rail, a rotating support is fixed on the inner wall, the two ends of the transmission shaft penetrate through limiting through grooves and are connected with the rotating support in a rotating mode.
Further perfecting, the both ends cover of rubber tube is equipped with the sealing washer, be equipped with first mount and second mount on advancing dirty coupling and the blow off coupling respectively, connect through the bolt between first mount and the second mount, two the sealing washer centre gripping is fixed in respectively between advancing dirty coupling and import, blow off coupling and the export, the both ends of rubber tube are equipped with the rotation bulge loop, the sealing washer inboard is equipped with the annular groove, rotation bulge loop and annular groove cooperation rotation sealing connection, install the rotary drum on import and the export rotation, be connected through the sealing tape of round between rotary drum one end and the rubber tube, be fixed with the ratchet on the rotary drum other end, the ratchet top is equipped with transverse guide, be fixed with the slider on the transverse guide, the slider bottom articulates with ratchet complex pawl, be equipped with the spring between pawl and the slider, the both ends of transverse guide are equipped with the pulley, respectively be equipped with a stay cord on the pulley, the both ends of slider are connected two reel through the stay cord respectively, two reel are fixed respectively at the tip of two pivot, two reel winding directions are the same.
Further perfecting, be equipped with V type annular concave grain on the terminal surface of sealing washer one side, be equipped with rather than complex annular burr on the terminal surface of the inner of advancing dirty coupling and blowdown coupling, improved the sealed effect between sealing washer and the joint.
Further perfecting, be equipped with the cone on the tip inner wall of rubber tube, the inner terminal surface of advancing dirty coupling and blowdown coupling is equipped with the spread groove, and the cone is connected with the spread groove cooperation, makes to rotate bulge loop and annular groove be difficult to break away from, has improved the sealed effect when rotating greatly.
The beneficial effects of the invention are as follows: 1. according to the invention, the valve body, the upper cover, the upper film bowl, the lower film bowl and the lower cover form a sealing cavity, when the air pressure in the sealing cavity is reduced, the sealing cavity is contracted up and down, the upper sliding frame fixed on the upper cover moves downwards, the lower frame fixed on the lower cover moves upwards, the pressure spring is compressed, so that the gap between the cross rod of the upper sliding frame and the top beam of the lower sliding frame is increased, the rubber pipe wall is expanded outwards, the inlet and the outlet are communicated, sewage is discharged, and when the air pressure in the sealing cavity is increased, under the action of the restoring force of the pressure spring, the sealing cavity is expanded, the upper cover drives the upper sliding frame to move upwards, the cross rod of the upper sliding frame and the top beam of the lower sliding frame move in opposite directions, the gap between the cross rod of the upper sliding frame and the top beam of the lower sliding frame is reduced, and a sewage discharge pipeline is blocked, and the closure effect is good; 2. the upper sliding frame and the lower sliding frame are provided with a first vertical rack, a transmission gear and a second vertical rack, the heights of the transmission gear are fixed, the upper sliding frame and the lower sliding frame can be transmitted through the transmission gear when sliding relatively, synchronous opening and synchronous closing are realized, the upper part and the lower part of the rubber tube can be simultaneously relaxed and extruded in the opening and closing process, the conducting and intercepting speed is high, the working efficiency is high, the stress of the rubber tube is vertically symmetrical, one side of the rubber tube cannot be excessively stretched due to the stress of a single side, and the service life of the rubber tube is prolonged; 3. the transmission gear drives the winding wheel on the transmission shaft to rotate when rotating, and the up-down movement between the upper sliding frame and the lower sliding frame is converted into unidirectional rotation of the ratchet wheel through the pull rope, the guide rail sliding block and the ratchet wheel pawl structure, so that the unidirectional rotation of the rubber tube is driven to a certain angle when the rubber tube is opened each time, the stress concentration part clamped each time is changed, and the service life of the rubber tube is greatly prolonged; 4. the rubber tube is connected to the sealing washer at two ends in a rotating way, then the rubber tube is sealed through the sealing ring, different materials can be selected for the rubber tube and the sealing ring, the sealing effect of the sealing ring is better, and when one of the rubber tube or the sealing ring is damaged, the rubber tube or the sealing ring is easy to replace, so that the maintenance cost is reduced.
Drawings
Fig. 1 is a schematic perspective view of the present embodiment;
fig. 2 is a schematic diagram of a front view structure of the present embodiment;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 2;
FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 2;
FIG. 5 is a schematic cross-sectional view of the structure of FIG. 2 in the direction C-C;
FIG. 6 is an enlarged schematic view of the structure at D in FIG. 5;
FIG. 7 is a schematic view of the ratchet and pawl mechanism of FIG. 5 with the upper and lower carriages omitted;
FIG. 8 is an enlarged schematic view of the structure at E in FIG. 7;
Reference numerals illustrate: 1. valve body, 11, upper film bowl, 12, lower film bowl, 13, air pipe joint, 14, sealing cavity, 15, inlet, 16, outlet, 17, upper cover, 18, lower cover, 2, rubber tube, 21, sealing ring, 211, annular groove, 212, annular concave grain, 213, annular convex grain, 22, rotating convex ring, 23, cone, 24, connecting groove, 3, rubber tube automatic clamping device, 31, pressure spring, 32, pressure spring seat, 321, vertical rod, 33, upper carriage, 331, cross rod, 332, vertical slide rail, 333, U-shaped slide groove, 334, first vertical rack, 335, limit through groove, 34, lower carriage, 341, top beam, 342, vertical slide bar, 343, transmission groove, 344, second vertical rack, 35, transmission gear, 351, transmission shaft, 352, rotating support, 4, sewage inlet pipe joint, 41, first fixed support, 5, sewage pipe joint, 51, second fixed support, 6, 61, sealing tape, 62, ratchet wheel, 63, transverse guide rail, 64, slide block, 65, pawl, 66, pulley, 66, pull rope, 68, drum, 67, drum, roll, and drum.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
Referring to the drawings: the embodiment of the vacuum blow-down valve comprises a valve body 1, a rubber tube 2, an automatic rubber tube clamping device 3, an upper film bowl 11, a lower film bowl 12 and an air pipe joint 13, wherein a sealing cavity 14 is arranged in the valve body 1, an inlet 15 and an outlet 16 are respectively arranged on two sides of the valve body 1, a sewage inlet pipe joint 4 and a sewage blow-down pipe joint 5 are respectively arranged on the inlet 15 and the outlet 16, the automatic rubber tube clamping device 3 for controlling the connection and disconnection of the rubber tube 2 is arranged in the sealing cavity 14, an upper cover 17 and a lower cover 18 are respectively arranged at the top and the bottom of the valve body 1, the upper cover 17 is connected with the top of the valve body 1 through the upper film bowl 11, the lower cover 18 is connected with the bottom of the valve body 1 through the lower film bowl 12, the valve body 1, the upper cover 17, the lower cover 18, the upper film bowl 11 and the lower film bowl 12 form the sealing cavity 14, the air pipe joint 13 is arranged at the top of the upper cover 17 and is connected with a vacuum generating device through an air pipe, the upper film bowl 11 and the lower film bowl 12 are made of elastic materials, the automatic rubber tube clamping device 3 comprises a pressure spring 31, a pressure spring seat 32, an upper sliding frame 33 and a lower sliding frame 34, a vertical rod 321 is arranged at the upper part of the pressure spring seat 32, the lower part of the pressure spring seat 32 is connected with a top beam 341 of the lower sliding frame 34, the pressure spring 31 is sleeved on the vertical rod 321 and the pressure spring seat 32, the upper end of the pressure spring 31 is fixedly connected with an upper cover 17, the bottom of the lower sliding frame 34 is fixed with a lower cover 18, the upper end of the upper sliding frame 33 is fixedly connected with the upper cover 17, the lower end of the upper sliding frame 33 is provided with a cross rod 331, the cross rod 331 of the upper sliding frame 33 is positioned above the top beam 341 of the lower sliding frame 34, a rubber tube 2 is arranged between the cross rod 331 and the top beam 341, two ends of the rubber tube 2 are respectively connected with a sewage inlet pipe joint 4 and a sewage pipe joint 5 at two sides of the valve body 1, the upper carriage 33 and the lower carriage 34 can slide up and down relatively to block or communicate the internal channel of the rubber tube 2; the upper carriage 33 comprises two vertical sliding rails 332 which are arranged left and right, the two upper ends of the vertical sliding rails 332 are fixedly connected with the upper cover 17 through screws, a transmission groove 343 is formed in the outer side of the vertical sliding rails 332, a U-shaped sliding groove 333 is formed in the inner side of the vertical sliding rails 332, the lower carriage 34 comprises two vertical sliding bars 342 which are arranged left and right, a top beam 341 is fixedly arranged between the upper ends of the vertical sliding bars 342, the lower ends of the vertical sliding bars 342 are fixedly welded with the lower cover 18, the front side surface and the rear side surface of the vertical sliding bars 342 are in matched sliding connection with the inner wall surfaces of the two sides of the U-shaped sliding groove 333, a first vertical rack 334 is fixedly arranged on the groove bottom wall surface of the U-shaped sliding groove 333, a transmission gear 35 is meshed between the first vertical rack 334 and the second vertical rack 344, the transmission gear 35 is fixedly arranged on a transmission shaft 351, limit grooves 335 are formed in the inner wall surfaces of the two sides of the U-shaped sliding groove 333, and the limit grooves 335 are fixedly connected with the two ends of the valve body 352 in a rotating mode, and the limit support seat 352 is fixedly connected with the two ends of the valve body 352.
In this embodiment, sealing rings 21 are sleeved at two ends of the rubber tube 2, a first fixing frame 41 and a second fixing frame 51 are respectively arranged on the sewage inlet pipe joint 4 and the sewage drain pipe joint 5, the first fixing frame 41 and the second fixing frame 51 are connected through bolts, two sealing rings 21 are respectively clamped and fixed between the sewage inlet pipe joint 4 and the inlet 15 and between the sewage drain pipe joint 5 and the outlet 16, two ends of the rubber tube 2 are provided with rotating convex rings 22, annular grooves 211 are formed in the inner sides of the sealing rings 21, the rotating convex rings 22 are in matched rotation sealing connection with the annular grooves 211, a rotary drum 6 is rotatably arranged on the inlet 15 and the outlet 16, one end of the rotary drum 6 is connected with the rubber tube 2 through a circle of sealing tape 61, a ratchet wheel 62 is fixed at the other end of the rotary drum 6, a transverse guide rail 63 is arranged above the ratchet wheel 62, a sliding block 64 is fixed on the transverse guide rail 63, pawls 65 matched with the ratchet wheel 62 are hinged at the bottoms of the sliding block 64, springs 66 are arranged between the pawls 65 and the sliding block 64, two ends of the transverse guide rail 63 are provided with pulleys 67, a sliding block 68 is respectively, two ends of the sliding block 68 are respectively connected with two ends of the two winding wheels 69 in the same direction, and the two winding direction of the winding wheels 69 are respectively. The end face of one side of the sealing ring 21 is provided with V-shaped annular concave patterns 212, and the end faces of the inner ends of the sewage inlet pipe joint 4 and the sewage outlet pipe joint 5 are provided with annular convex patterns 213 matched with the inner end faces. The inner wall of the end part of the rubber pipe 2 is provided with a cone part 23, the inner end surfaces of the sewage inlet pipe joint 4 and the sewage outlet pipe joint 5 are provided with a connecting groove 24, and the cone part 23 is connected with the connecting groove 24 in a matching way.
The working process of the vacuum blowdown valve comprises the following steps: in a normal state, the cross rod 331 of the upper carriage 33 and the top beam 341 of the lower carriage 34 press the upper and lower pipe walls of the rubber pipe 2 to block the sewage drain, and the pressure spring 31 of the top beam 341 of the lower carriage 34 is also in an extended state.
When a sewage pipeline is required to be connected, the air pipe joint 13 is connected with a vacuum generating device through an air pipe, the vacuum system extracts air in the sealing cavity 14, under the action of external air pressure, the upper film bowl 11 and the lower film bowl 12 elastically deform, the upper cover 17 and the lower cover 18 are mutually close, the lower carriage 34 is driven by the lower cover 18, the top beam 341 of the lower carriage 34 moves upwards and compresses the pressure spring 31, the upper carriage 33 is driven by the upper cover 17, the cross beam 331 of the upper carriage 33 moves downwards, a gap between the cross beam 331 and the top beam 341 is enlarged, the pipe wall of the rubber pipe 2 is driven to open, the sewage pipeline is connected, the heights of the transmission gear 35 are fixed, the upper carriage 33 and the lower carriage 34 slide relatively, the upper carriage 33 and the lower carriage 34 can be driven by the transmission gear 35, the cross beam 331 and the top beam can be synchronously opened and synchronously closed, the upper part and the lower part of the rubber pipe 2 can be simultaneously relaxed and extruded in the opening and closing process, the speed of the upper carriage 33 and the lower carriage 33 are high, the working efficiency is high, the upper side and the lower side of the rubber pipe 2 is enabled not to be stressed by the upper side and lower side of the rubber pipe 2 is not stressed by the stretching and the service life of the rubber pipe is prolonged; the transmission gear 35 can drive the winding wheel 69 on the transmission shaft 351 to rotate positively and negatively during positive and negative rotation, the rotation of the winding wheels 69 on two sides is matched, the pulley 67 and the pull rope 68 drive the sliding block 64 on the transverse guide rail 63 to reciprocate linearly, the pawl 65 on the sliding block 64 drives the ratchet wheel 62 to rotate unidirectionally, the ratchet wheel 62 drives the rubber tube 2 to rotate through the rotary drum 6 and the sealing adhesive tape 61, and at the moment, the rotating convex ring 22 is matched with the annular groove 211, the conical part 23 and the connecting groove 24 to be in sliding sealing connection, so that the rubber tube 2 can rotate unidirectionally by a certain angle when the transverse rod 331 and the top beam 341 are synchronously opened each time, the stress concentration part clamped each time is changed, and the service life of the rubber tube 2 is greatly prolonged.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the invention.
Claims (1)
1. The utility model provides a vacuum blowdown valve, includes valve body (1), rubber tube (2), automatic clamping device of rubber tube (3), goes up membrane bowl (11), lower membrane bowl (12), air pipe joint (13), be provided with sealed chamber (14) in valve body (1), valve body (1) both sides are equipped with import (15) and export (16) respectively, install respectively on import (15) and export (16) and advance dirty coupling (4) and blowdown coupling (5), be provided with the automatic clamping device of rubber tube (3) of control rubber tube (2) intercommunication and disconnection in sealed chamber (14), the top and the bottom of valve body (1) are provided with upper cover (17) and lower cover (18) respectively, the top of upper cover (17) and valve body (1) is connected through upper membrane bowl (11), the bottom of lower cover (18) and valve body (1) is connected through lower membrane bowl (12), upper cover (18), upper membrane bowl (11) and lower membrane bowl (12) constitute seal chamber (14), seal chamber (14) are connected through upper cover (17) and air pipe joint (12) are taken place for making up in vacuum membrane (11) and are equipped with the top device, the method is characterized in that: the automatic rubber tube clamping device (3) comprises a pressure spring (31), a pressure spring seat (32), an upper sliding frame (33) and a lower sliding frame (34), wherein a vertical rod (321) is arranged on the upper portion of the pressure spring seat (32), the lower portion of the pressure spring seat (32) is connected with a top beam (341) of the lower sliding frame (34), the pressure spring (31) is sleeved on the vertical rod (321) and the pressure spring seat (32), the upper end of the pressure spring (31) is fixedly connected with an upper cover (17), the bottom of the lower sliding frame (34) is fixedly connected with a lower cover (18), the upper end of the upper sliding frame (33) is fixedly connected with the upper cover (17), a cross rod (331) is arranged at the lower end of the upper sliding frame (33), a rubber tube (2) is arranged between the cross rod (331) and the top beam (341), two ends of the rubber tube (2) are respectively connected with a sewage inlet pipe joint (4) and a pipe joint (5) on two sides of a valve body (1), and the upper sliding frame (33) and the lower sliding frame (34) can be relatively communicated with the upper sliding frame (34) or the lower sliding frame (2) to be blocked; the upper sliding frame (33) comprises two vertical sliding rails (332) which are arranged left and right, the two upper ends of the vertical sliding rails (332) are fixedly connected with an upper cover (17) through screws, a cross rod (331) is fixed between the lower ends of the two vertical sliding rails (332), a U-shaped sliding groove (333) is formed in the inner side of the vertical sliding rails (332), the lower sliding frame (34) comprises two vertical sliding strips (342) which are arranged left and right, a top beam (341) is fixed between the upper ends of the two vertical sliding strips (342), the lower ends of the two vertical sliding strips (342) are fixedly welded with a lower cover (18), the front side surface and the rear side surface of the vertical sliding strips (342) are in matched sliding connection with the inner wall surfaces of the two sides of the U-shaped sliding groove (333), a first vertical sliding rack (334) is fixed on the wall surface of the bottom of the U-shaped sliding groove (333), a transmission groove (343) is formed in the outer side surface of the vertical sliding rail (342), a second vertical sliding groove (344) is fixed in the transmission groove (342), the first vertical sliding rack (342) is fixedly arranged between the upper sliding groove (342) and the upper side of the valve body (35), the valve body (35) is fixedly meshed with the transmission groove (35), two ends of the transmission shaft (351) penetrate through the limit through groove (335) and are rotationally connected to the rotary support (352);
The utility model discloses a sewage treatment device, which is characterized in that sealing rings (21) are sleeved at two ends of a rubber pipe (2), a first fixing frame (41) and a second fixing frame (51) are respectively arranged on a sewage inlet pipe joint (4) and a sewage discharge pipe joint (5), the first fixing frame (41) and the second fixing frame (51) are connected through bolts, the two sealing rings (21) are respectively clamped and fixed between the sewage inlet pipe joint (4) and an inlet (15), the sewage discharge pipe joint (5) and an outlet (16), rotating convex rings (22) are arranged at two ends of the rubber pipe (2), annular grooves (211) are arranged at the inner sides of the sealing rings (21), the rotating convex rings (22) are in matched rotation sealing connection with the annular grooves (211), a rotary drum (6) is rotatably arranged on the inlet (15) and the outlet (16), one end of the rotary drum (6) is connected with the rubber pipe (2) through a circle of sealing adhesive tape (61), a ratchet wheel (62) is fixed at the other end of the rotary drum (6), a transverse guide rail (63) is arranged above the ratchet wheel (62), a sliding block (64) is fixed on the transverse guide rail (63), a sliding block (64) is hinged with a pawl (64) and a pawl (65) is arranged between the sliding block (64) and the sliding block (65), two ends of the transverse guide rail (63) are provided with pulleys (67), each pulley (67) is provided with a pull rope (68), two ends of each slider (64) are respectively connected with two winding wheels (69) through the pull ropes (68), the two winding wheels (69) are respectively fixed at the end parts of the two rotating shafts, and the directions of the two winding wheels (69) winding the pull ropes (68) are the same;
the inner wall of the end part of the rubber pipe (2) is provided with a cone part (23), the inner end surfaces of the sewage inlet pipe joint (4) and the sewage outlet pipe joint (5) are provided with connecting grooves (24), and the cone part (23) is connected with the connecting grooves (24) in a matching way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011093770.7A CN112049962B (en) | 2020-10-14 | 2020-10-14 | Vacuum blow-down valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011093770.7A CN112049962B (en) | 2020-10-14 | 2020-10-14 | Vacuum blow-down valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112049962A CN112049962A (en) | 2020-12-08 |
| CN112049962B true CN112049962B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011093770.7A Active CN112049962B (en) | 2020-10-14 | 2020-10-14 | Vacuum blow-down valve |
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| Country | Link |
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| CN (1) | CN112049962B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688293A (en) * | 2020-12-28 | 2022-07-01 | 宁波博尔雅电子材料科技有限公司 | Coating production is with conveyor's device that opens and shuts |
| CN113483114A (en) * | 2021-07-29 | 2021-10-08 | 黄山拓达科技有限公司 | Negative pressure drain valve |
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|---|---|---|---|---|
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| CN103438237A (en) * | 2013-08-27 | 2013-12-11 | 宁波南车时代传感技术有限公司 | Suck-back-prevention vacuum blow-down valve and vacuum dirt collecting system |
| CN203703227U (en) * | 2013-11-07 | 2014-07-09 | 安徽金诚复合材料有限公司 | Eduction valve |
| WO2019154708A1 (en) * | 2018-02-09 | 2019-08-15 | Aco Severin Ahlmann Gmbh & Co. Kg | Control unit, coupling unit, and control device for a vacuum toilet system, vacuum toilet system, and method for operating a vacuum toilet system |
| CN209762319U (en) * | 2019-03-18 | 2019-12-10 | 湖南真创环保科技有限公司 | Vacuum blowoff valve |
| CN212455597U (en) * | 2020-10-14 | 2021-02-02 | 浙江建江船舶电器科技有限公司 | Vacuum blowoff valve |
-
2020
- 2020-10-14 CN CN202011093770.7A patent/CN112049962B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3984080A (en) * | 1973-11-12 | 1976-10-05 | Oy Wartsila Ab | Vacuum sewer valve |
| CN103438237A (en) * | 2013-08-27 | 2013-12-11 | 宁波南车时代传感技术有限公司 | Suck-back-prevention vacuum blow-down valve and vacuum dirt collecting system |
| CN203703227U (en) * | 2013-11-07 | 2014-07-09 | 安徽金诚复合材料有限公司 | Eduction valve |
| WO2019154708A1 (en) * | 2018-02-09 | 2019-08-15 | Aco Severin Ahlmann Gmbh & Co. Kg | Control unit, coupling unit, and control device for a vacuum toilet system, vacuum toilet system, and method for operating a vacuum toilet system |
| CN209762319U (en) * | 2019-03-18 | 2019-12-10 | 湖南真创环保科技有限公司 | Vacuum blowoff valve |
| CN212455597U (en) * | 2020-10-14 | 2021-02-02 | 浙江建江船舶电器科技有限公司 | Vacuum blowoff valve |
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