CN110953398A - Vacuum drainage non-electric mechanical micro-air pressure opening structure and using method thereof - Google Patents
Vacuum drainage non-electric mechanical micro-air pressure opening structure and using method thereof Download PDFInfo
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- CN110953398A CN110953398A CN201911212563.6A CN201911212563A CN110953398A CN 110953398 A CN110953398 A CN 110953398A CN 201911212563 A CN201911212563 A CN 201911212563A CN 110953398 A CN110953398 A CN 110953398A
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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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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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
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Abstract
The invention discloses a vacuum drainage non-electromechanical micro-air pressure opening structure and a using method thereof, and the structure comprises a main shell, a U-shaped pressing plate, a Z-shaped wane, a rubber block, a reset push rod, a top cover and a rubber film, wherein a circular groove, a U-shaped baffle and a middle support column are arranged on the main shell, a taper pipe is also arranged on the main shell, and an air inlet is also arranged on the outer side of the main shell; 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 valve can be opened by micro-air pressure driving, the opening force is small, the lever and air work in a matching mode, and the reliability is high.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of valves, in particular to the technical field of a vacuum drainage non-electromechanical micro-air pressure opening structure and a using method thereof.
[ background of the invention ]
In the current life, the valve is a control part for ensuring the normal flow of fluid, the conventional valve is mainly driven by liquid buoyancy or electric power, if the conventional valve is driven by the electric power, the electric power is consumed, and meanwhile, the phenomena of electric leakage and the like are easy to occur, so that the conventional valve is very dangerous; if adopt buoyancy drive, though can not consume the energy, nevertheless often there are a lot of impurity in the rivers, cause easily the rust of equipment or block equipment, shorten the life of opening the structure, it is high to have broken down. Therefore, in order to solve the problems of the existing valve opening structure, the valve opening structure needs to be improved and designed.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a vacuum drainage non-electromechanical micro-air pressure opening structure and a using method thereof, which can enable a valve to be automatically opened through micro pressure, have small opening pressure, do not need to consume extra energy and are reliable in work.
In order to achieve the purpose, the invention provides a vacuum drainage non-electromechanical micro-air pressure opening structure which comprises a main shell, a U-shaped pressing plate, a Z-shaped warping plate, a rubber block, a reset push rod, a top cover, a supporting plate, a rubber film, a fixing cover, a rubber blocking plate 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 taper pipe is connected with an upper cylinder at the upper part of the taper pipe through a taper inclined plane, a small round hole is arranged at the outer side of the side wall of the main shell, and an air;
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, a rubber block is arranged in the rubber mounting hole, the distance between the centers of the two taper tubes 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 drawing taper, the rubber block is positioned right above the taper tube, and the long tongue plate;
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, a middle convex block is arranged in the middle of the planar film, a fixed circular groove is formed in the lower side of the middle convex block, and the edge of the planar film is connected with the fixed ring block through; the thickness of the inclined surface film is 0.2-0.4mm, 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;
the middle part of the upper end of the fixed cover is provided with a concave groove, a large through hole is formed in the bottom surface of the concave groove, the bottom surface of the concave groove is covered with a rubber plugging plate, the middle convex block is positioned 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 plugging plate.
Preferably, the conical slope is in line contact with the circular hole and the kidney-shaped hole.
Preferably, the angle between the vertical side wall of the groove and the bottom side is β in the range of 95-120 °, and the angle between the lower side of the tap lever and the vertical side of the main lever is α in the range of 70-85 °.
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.
Preferably, a top cover is covered on one side of the main shell, a connecting air hole is formed in the top cover, and the position of the connecting air hole is communicated with a through hole in the lower portion of the taper pipe; the fixed cover is also provided with a micro-pressure hole; the working column is opposite to the long tongue plate.
A use method of a vacuum drainage non-electromechanical micro-air pressure opening structure is characterized by comprising the following steps:
1) installing a top cover on the lower side of the main shell, ensuring that a connecting air hole on the top cover is communicated with the taper pipe, sleeving a Z-shaped wane on the middle support column through a supporting hole, ensuring that the long tongue plate is positioned in the U-shaped baffle, and pressing a rubber block installed in the rubber installing hole on the upper end of the taper pipe; the connecting air hole is connected with the vacuum valve;
2) placing a support column at the lower end of the U-shaped pressing plate in the circular groove, pressing the poke rod on the warping rod, arranging a reset push rod in the small circular hole of the main shell, and positioning one end of the reset push rod in the groove of the U-shaped pressing plate;
3) the upper side of the main shell is sequentially provided with a supporting plate, a rubber film and a fixing cover, a fixing ring block of the rubber film is tightly pressed in a fixing ring groove through the fixing cover, a working column is arranged on the lower side of a middle convex block, a rubber plugging plate is covered in a concave groove, and a micro-pressure hole is connected with a device for generating micro-pressure;
4) when the micro-air pressure device generates micro-air pressure, air flow directly enters a gap between the upper side surface of the planar film and the lower side surface of the concave groove through the gap between the upper side surface of the planar film and the lower side surface of the rubber blocking plate, the micro-air pressure starts to generate a pressure on the centering convex block to enable the inclined film to start stretching, the centering convex block starts to enter the central through hole, and the lower end of the working column is in contact with the long tongue plate and pushes the long tongue plate to move towards the top cover;
5) the bottom surface of the rubber block is separated from the upper end of the taper pipe under the action of the middle support fulcrum by the Z-shaped wane, so that external air flow enters the taper pipe through the air inlet hole and then enters the connecting air hole to control the action of the vacuum valve, and the required function is realized;
6) when the vacuum valve is required to be closed, the reset push rod can be used for sliding towards the inner part of the main shell, so that the poke rod of the U-shaped pressing plate is forced to downwards press the warping rod, the rubber block is ensured to cover the taper pipe, the good vacuum effect of the vacuum valve is ensured, and the vacuum valve stops working.
The invention has the advantages that the lower part lower cylinder of the taper pipe is connected with the upper part upper cylinder of the taper pipe 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, 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, the up-and-down motion of two ends of the Z-shaped wane can be conveniently realized, the angle between the vertical side wall and the bottom side of the groove of the U-shaped pressing plate is β degrees to 95-120 degrees, the included angle between the lower side surface of the poking rod and the vertical side surface of the main body rod is α degrees to 70-85 degrees, when the reset push rod horizontally slides in the small circular hole, the poking rod can be ensured to generate enough downward pressure to press on the seesawing rod, the rubber block can be tightly pressed on the taper pipe, the vacuum in the taper pipe can be ensured, the rubber film is arranged, the inclined thickness of the rubber film is only 0.2-0.4mm, the pressing column can be effectively ensured to move towards the taper pipe, the vacuum valve can be connected with the small air hole, the vacuum valve can be conveniently triggered, and the vacuum valve can.
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 front sectional view of a vacuum drainage non-electromechanical micro-pressure opening structure according to the present invention;
FIG. 2 is a schematic view of a three-dimensional structure of a main housing of a vacuum drainage non-electromechanical micro-pressure opening structure according to the present invention;
FIG. 3 is an enlarged schematic view of a portion A of the front view cross section of a vacuum drainage non-electromechanical micro-pressure opening structure according to the present invention;
FIG. 4 is an enlarged schematic view of a front view cross section and a portion B of a vacuum drainage non-electromechanical micro-pressure opening structure according to the present invention;
FIG. 5 is a schematic view of a U-shaped pressing plate of a vacuum drainage non-electromechanical micro-pressure opening structure according to the present invention;
FIG. 6 is a schematic cross-sectional view of a U-shaped platen of a vacuum-drained non-electromechanical micro-pressure opening structure of the present invention;
FIG. 7 is an enlarged schematic view of a cross-section of a U-shaped platen of a vacuum drainage non-electromechanical micro-pressure opening structure according to the present invention;
FIG. 8 is a top view of a "Z" shaped rocker for a vacuum drainage non-electromechanical micro-pressure opening structure in accordance with the present invention;
fig. 9 is a cross-sectional view of a zigzag seesaw of a vacuum drainage non-electromechanical micro-pressure opening structure according to the present invention.
In the figure: 1-main shell, 101-circular groove, 102-U-shaped baffle, 103-middle support column, 1031-lower cylinder, 1032-upper cylinder, 1033-conical inclined plane, 104-small round hole, 105-taper pipe, 106-air inlet hole, 107-fixed ring groove, 2-U-shaped pressure plate, 201-main body rod, 202-poke rod, 203-support column, 204-groove, 3-Z-shaped wane, 301-main plate, 302-long tongue plate, 303-support hole, 304-wane rod, 305-small tongue plate, 306-rubber mounting hole, 307-connecting plate, 4-rubber block, 5-reset push rod, 6-top cover, 601-connecting air hole, 7-support plate, 701-central through hole, 8-rubber membrane, 801-fixed ring block, 802-plane film, 803-inclined surface film, 804-middle bump, 805-fixed circular groove, 9-fixed cover, 901-concave groove, 902-large through hole, 903-micro pressure hole, 10-rubber blocking plate, 11-working column and 1101-fixed cylinder.
[ detailed description ] embodiments
Referring to fig. 1-9, the vacuum drainage non-electromechanical micro-air pressure opening structure and the using method thereof of the present invention comprises a main housing 1, a U-shaped pressing plate 2, a zigzag wane 3, a rubber block 4, a reset push rod 5, a top cover 6, a supporting plate 7, a rubber film 8, a fixed cover 9, a rubber closure plate 10 and a working column 11, wherein the main housing 1 is provided with two circular grooves 101, U-shaped baffles 102 and middle support columns 103, the number of the circular grooves 101 and the middle support columns 103 is two, the circular grooves 101 and the middle support columns 103 are respectively located at two sides of the U-shaped baffles 102, the main housing 1 is further provided with a taper tube 105, a lower cylinder 1031 at the lower part of the taper tube 105 is connected with an upper cylinder 1032 of the taper tube 105 through a conical inclined plane 1033, the outer side wall of the main housing 1 is provided with a small circular hole 104;
a long tongue plate 302 is arranged at one end of a main plate 301 of the Z-shaped wane 3, two holes are formed in the main plate 301, one hole is a circular hole, the other hole is a waist-shaped hole, a small tongue plate 305 of the Z-shaped wane 3 is connected with the main plate 301 through a connecting plate 307, a rubber mounting hole 306 is formed in the small tongue plate 305, a rubber block 4 is arranged in the rubber mounting hole 306, the distance between the centers of the two tapered tubes 105 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 surface 1033, the circular hole and the waist-shaped hole form a 12-20-degree drawing taper, the rubber block 4 is positioned right above the tapered tubes 105, and the long tongue plate 302 is positioned in;
two poke rods 202 are symmetrically arranged at two ends of the front side of a main body rod 201 of the U-shaped pressing plate 2, two supporting columns 203 are arranged at the lower side of the main body rod 201, the supporting columns 203 are arranged in the circular grooves 101, and a groove 204 is arranged at the rear side of the middle part of the main body rod 201 of the U-shaped pressing plate 2; the poke rod 202 is pressed on the tilting rods 304 at the two ends of the main board 301; a reset push rod 5 is arranged in the small round hole 104 in a sliding mode, and one end of the reset push rod 5 is located in the groove 204;
one end of the main shell body 1 is provided with a fixed ring groove 107, one end of the main shell body 1 is also fixedly provided with a support plate 7, a fixed ring block 801 at the outer end of the rubber membrane 8 is arranged in the fixed ring groove 107 and is pressed tightly through the edge of one end of the fixed cover 9, a plane membrane 802 in the middle of the rubber membrane 8 is positioned on the upper surface of the support plate 7, a middle convex block 804 is arranged in the middle of the plane membrane 802, a fixed circular groove 805 is arranged on the lower side of the middle convex block 804, and the edge of the plane membrane 802 is connected with the fixed ring block 801; the thickness of the inclined surface film 803 is 0.2-0.4mm, the working column 11 is fixed in the fixed circular groove 805 through the fixed cylinder 1101, and the working column 11 is positioned in the central through hole 701 in the middle of the support plate 7;
a concave groove 901 is formed in the middle of the upper end of the fixing cover 9, a large through hole 902 is formed in the bottom surface of the concave groove 901, the rubber blocking plate 10 is covered on the bottom surface of the concave groove 901, the middle bump 804 is located in the large through hole 902, and a gap is reserved between the upper end surface of the middle bump 804 and one side of the rubber blocking plate 10.
The tapered ramp 1033 makes line contact with the circular and kidney shaped holes.
The angle between the vertical side wall and the bottom side of the groove 204 is β in the range of 95-120 degrees, and the angle between the lower side surface of the tap lever 202 and the vertical side surface of the main body lever 201 is α in the range of 70-85 degrees.
The cross-sectional area of the taper pipe 105 is small at the top and big at the bottom, and the lower part of the taper pipe 105 is provided with a through hole.
A top cover 6 is covered on one side of the main shell 1, a connecting air hole 601 is formed in the top cover 6, and the position of the connecting air hole 601 is communicated with a through hole in the lower part of the taper pipe 105; the fixed cover 9 is also provided with a micro-pressure hole 903; the working column 11 is opposite to the long tongue plate 302.
A use method of a vacuum drainage non-electromechanical micro-air pressure opening structure is characterized by comprising the following steps:
1. installing a top cover 6 on the lower side of the main shell 1, ensuring that a connecting air hole 601 on the top cover 6 is communicated with the taper pipe 105, sleeving the Z-shaped wane 3 on the middle support column 103 through a support hole 303, ensuring that the long tongue plate 302 is positioned in the U-shaped baffle plate 102, and pressing a rubber block 4 installed in the rubber installation hole 306 on the upper end of the taper pipe 105; the connecting air hole 601 is connected with the vacuum valve;
2. placing a support column 203 at the lower end of the U-shaped pressing plate 2 in the circular groove 101, pressing a poke rod 202 on a warped rod 304, arranging a reset push rod 5 in a small circular hole 104 of the main shell 1, and positioning one end of the reset push rod 5 in a groove 204 of the U-shaped pressing plate 2;
3. a supporting plate 7, a rubber membrane 8 and a fixing cover 9 are sequentially arranged on the upper side of the main shell 1, a fixing ring block 801 of the rubber membrane 8 is tightly pressed in a fixing ring groove 107 through the fixing cover 9, a working column 11 is arranged on the lower side of a middle convex block 804, a rubber blocking plate 10 is arranged in a concave groove 901, and a micro-pressure hole 903 is connected with a device for generating micro-pressure;
4. when the micro-air pressure device generates micro-air pressure, air flow directly enters a gap between the upper side of the planar membrane 802 and the lower side of the concave groove 901 through the gap between the upper side of the planar membrane 802 and the lower side of the rubber blocking plate 10, the micro-air pressure starts to generate a pressure on the centering bump 804, so that the inclined membrane 803 starts to stretch, the middle bump 804 starts to enter the central through hole 701, and the lower end of the working column 11 contacts with the long tongue plate 302 and pushes the long tongue plate 302 to move towards the top cover 6;
5. the Z-shaped wane 3 enables the bottom surface of the rubber block 4 to be separated from the upper end of the taper pipe 105 under the action of the fulcrum of the middle support 103, so that outside air flow enters the taper pipe 105 through the air inlet hole 106 and then enters the connecting air hole 601 to control the action of a vacuum valve, and the required function is realized;
6. when the vacuum valve needs to be closed, the reset push rod 5 can be used for sliding towards the inner part of the main shell 1, so that the poke rod 202 of the U-shaped pressing plate 2 is forced to press the warping rod 304 downwards, the rubber block 4 is ensured to cover the taper pipe 105, the good vacuum effect of the vacuum valve is ensured, and the vacuum valve stops working.
The invention has the beneficial effects that:
the lower cylinder 1031 of the tapered tube 105 is connected with the upper cylinder 1032 of the upper portion of the tapered tube 105 through the tapered inclined plane 1033, the main board 301 is provided with two holes, one hole is a circular hole, the other hole is a kidney-shaped hole, and the circular hole and the kidney-shaped hole form a 12-20-degree drawing taper, so that the circular hole and the kidney-shaped hole are sleeved on the tapered inclined plane 1033 and form line contact, and the up-and-down motion of two ends of the Z-shaped wane 3 can be conveniently realized;
the angle between the vertical side wall and the bottom side of the groove 204 of the U-shaped pressing plate 2 is β degrees to 95-120 degrees, the included angle between the lower side surface of the poke rod 202 and the vertical side surface of the main body rod 201 is α degrees to 70-85 degrees, so that when the reset push rod 5 horizontally slides in the small circular hole 104, the poke rod 202 can be guaranteed to generate enough downward pressure to press the warped rod 304, the rubber block 4 is tightly pressed on the taper tube 105, and the vacuum in the taper tube 105 is guaranteed;
the rubber membrane 8 is arranged, the thickness of the inclined membrane 803 of the rubber membrane 8 is only 0.2-0.4mm, and the working column 11 can be effectively enabled to move towards the top cover 6 under the action of small air pressure, so that the long tongue plate 302 can be well pressed, and the vacuum valve connected with the connecting air hole 601 can be guaranteed to work; the invention has simple structure, small triggering air pressure and convenient use, 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 (6)
1. The utility model provides a vacuum drainage does not have little atmospheric pressure of electrical machinery and opens structure which characterized in that: comprises a main shell (1), a U-shaped pressing plate (2), a Z-shaped warping plate (3), a rubber block (4), a reset push rod (5), a top cover (6), a supporting plate (7), a rubber membrane (8), a fixed cover (9), a rubber blocking plate (10) and a working column (11), the main shell (1) is provided with a round groove (101), a U-shaped baffle (102) and a middle support column (103), the number of the circular grooves (101) and the number of the middle support posts (103) are two, the circular grooves (101) and the middle support posts (103) are respectively positioned at two sides of the U-shaped baffle (102), the main shell (1) is further provided with a taper pipe (105), a lower cylinder (1031) at the lower part of the taper pipe (105) is connected with an upper cylinder (1032) at the upper part of the taper pipe (105) through a taper inclined plane (1033), a small round hole (104) is formed in the outer side of the side wall of the main shell (1), and an air inlet hole (106) is formed in the outer side of the main shell (1);
one end of a main board (301) of the Z-shaped warping plate (3) is provided with a long tongue plate (302), the main board (301) is provided with two holes, one hole is a circular hole, the other hole is a waist-shaped hole, a small tongue plate (305) of the Z-shaped rocker (3) is connected with the main plate (301) through a connecting plate (307), a rubber mounting hole (306) is arranged on the small tongue plate (305), a rubber block (4) is arranged in the rubber mounting hole (306), the distance between the circle centers of the two taper pipes (105) 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 the conical inclined plane (1033), the round hole and the kidney-shaped hole form a drawing taper of 12-20 degrees, the rubber block (4) is positioned right above the taper pipe (105), and the long tongue plate (302) is positioned inside the U-shaped baffle (102);
two poke rods (202) are symmetrically arranged at two ends of the front side of a main body rod (201) of the U-shaped pressing plate (2), two supporting columns (203) are arranged on the lower side of the main body rod (201), the supporting columns (203) are arranged in the circular grooves (101), and grooves (204) are arranged on the rear side of the middle part of the main body rod (201) of the U-shaped pressing plate (2); the poke rod (202) is pressed on the tilting rods (304) at the two ends of the main board (301); a reset push rod (5) is arranged in the small round hole (104) in a sliding mode, and one end of the reset push rod (5) is located in the groove (204);
one end of the main shell body (1) is provided with a fixing ring groove (107), one end of the main shell body (1) is further fixedly provided with a support plate (7), a fixing ring block (801) at the outer end of the rubber membrane (8) is arranged in the fixing ring groove (107) and is pressed tightly through the edge of one end of the fixing cover (9), a plane membrane (802) in the middle of the rubber membrane (8) is located on the upper surface of the support plate (7), a middle convex block (804) is arranged in the middle of the plane membrane (802), a fixing circular groove (805) is formed in the lower side of the middle convex block (804), and the edge of the plane membrane (802) is connected with the fixing ring block (801) through an inclined; the thickness of the inclined surface film (803) is 0.2-0.4mm, the working column (11) is fixed in the fixed circular groove (805) through the fixed cylinder (1101), and the working column (11) is positioned in the central through hole (701) in the middle of the supporting plate (7);
the middle of the upper end of the fixed cover (9) is provided with a concave groove (901), the bottom surface of the concave groove (901) is provided with a large through hole (902), the bottom surface of the concave groove (901) is covered with a rubber blocking plate (10), the middle bump (804) is positioned in the large through hole (902), and a gap is reserved between the upper end surface of the middle bump (804) and one side of the rubber blocking plate (10).
2. A vacuum drainage non-electromechanical micro-pressure opening structure as claimed in claim 1, wherein: the conical inclined plane (1033) is in line contact with the circular hole and the waist-shaped hole.
3. The vacuum drainage non-electromechanical micro-air pressure opening structure as claimed in claim 1, wherein the angle between the vertical side wall and the bottom side of the groove (204) is β in the range of 95-120 °, and the angle between the lower side surface of the tap lever (202) and the vertical side surface of the main body lever (201) is α in the range of 70-85 °.
4. A vacuum drainage non-electromechanical micro-pressure opening structure as claimed in claim 1, wherein: the cross-sectional area of the taper pipe (105) is small at the top and big at the bottom, and the lower part of the taper pipe (105) is provided with a through hole.
5. A vacuum drainage non-electromechanical micro-pressure opening structure as claimed in claim 1, wherein: a top cover (6) is covered on one side of the main shell (1), a connecting air hole (601) is formed in the top cover (6), and the position of the connecting air hole (601) is communicated with a through hole in the lower part of the taper pipe (105); the fixed cover (9) is also provided with a micro-pressure hole (903); the working column (11) is opposite to the long tongue plate (302).
6. A use method of a vacuum drainage non-electromechanical micro-air pressure opening structure is characterized by comprising the following steps:
1) a top cover (6) is arranged on the lower side of the main shell (1), a connecting air hole (601) in the top cover (6) is ensured to be communicated with the taper pipe (105), a Z-shaped warping plate (3) is sleeved on the middle support column (103) through a support hole (303), a long tongue plate (302) is ensured to be positioned in the U-shaped baffle (102), and a rubber block (4) arranged in a rubber mounting hole (306) is pressed at the upper end of the taper pipe (105); the connecting air hole (601) is connected with the vacuum valve;
2) placing a supporting column (203) at the lower end of the U-shaped pressing plate (2) in a circular groove (101), pressing a poke rod (202) on a warped rod (304), arranging a reset push rod (5) in a small circular hole (104) of the main shell (1), and positioning one end of the reset push rod (5) in a groove (204) of the U-shaped pressing plate (2);
3) the upper side of the main shell body (1) is sequentially provided with a supporting plate (7), a rubber film (8) and a fixing cover (9), a fixing ring block (801) of the rubber film (8) is tightly pressed in a fixing ring groove (107) through the fixing cover (9), a working column (11) is arranged on the lower side of a middle convex block (804), a rubber plugging plate (10) is covered in a concave groove (901), and a micro-pressure hole (903) is connected with a device for generating micro-pressure;
4) when micro-air pressure is generated by the micro-air pressure device, air flow directly enters a gap between the upper side of the planar membrane (802) and the lower side of the concave groove (901), the micro-air pressure starts to generate pressure on the centering bump (804) to enable the inclined membrane (803) to start stretching, the centering bump (804) starts to enter the central through hole (701), and the lower end of the working column (11) is in contact with the long tongue plate (302) and pushes the long tongue plate (302) to move towards the top cover (6);
5) the bottom surface of the rubber block (4) is separated from the upper end of the taper pipe (105) by the Z-shaped wane (3) under the action of the fulcrum of the middle support (103), so that external air flow enters the taper pipe (105) through the air inlet hole (106) and then enters the connecting air hole (601) to control the action of a vacuum valve, and the required function is realized;
6) when the vacuum valve is required to be closed, the reset push rod (5) can be used for sliding towards the inner part of the main shell (1) to force the poke rod (202) of the U-shaped pressing plate (2) to downwards press the warping rod (304), so that the rubber block (4) is ensured to cover the taper pipe (105), the good vacuum effect of the vacuum valve is ensured, and the vacuum valve stops working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911212563.6A CN110953398B (en) | 2019-12-02 | 2019-12-02 | Vacuum drainage non-electric mechanical micro-air pressure opening structure and using method thereof |
Applications Claiming Priority (1)
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191114363A (en) * | 1911-06-16 | 1912-02-08 | Alfred Neville Edwards | Improvements in or relating to Pneumatically-operated Valves. |
| US2350354A (en) * | 1942-03-23 | 1944-06-06 | Herskovits Benjamin | Control lever or wrench for gas meter inlet cocks |
| US5253671A (en) * | 1992-05-26 | 1993-10-19 | Nupro Company | High pressure diaphragm valve |
| CN103498945A (en) * | 2013-10-21 | 2014-01-08 | 南京凯盛国际工程有限公司 | Automatic air flow adjusting valve |
| CN104595498A (en) * | 2015-01-23 | 2015-05-06 | 四川森洁燃气设备有限公司 | Automobile pressure reducing valve |
| CN105156691A (en) * | 2015-09-25 | 2015-12-16 | 成都耐尔特科技有限公司 | Gas flow control valve for gas engine |
-
2019
- 2019-12-02 CN CN201911212563.6A patent/CN110953398B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191114363A (en) * | 1911-06-16 | 1912-02-08 | Alfred Neville Edwards | Improvements in or relating to Pneumatically-operated Valves. |
| US2350354A (en) * | 1942-03-23 | 1944-06-06 | Herskovits Benjamin | Control lever or wrench for gas meter inlet cocks |
| US5253671A (en) * | 1992-05-26 | 1993-10-19 | Nupro Company | High pressure diaphragm valve |
| CN103498945A (en) * | 2013-10-21 | 2014-01-08 | 南京凯盛国际工程有限公司 | Automatic air flow adjusting valve |
| CN104595498A (en) * | 2015-01-23 | 2015-05-06 | 四川森洁燃气设备有限公司 | Automobile pressure reducing valve |
| CN105156691A (en) * | 2015-09-25 | 2015-12-16 | 成都耐尔特科技有限公司 | Gas flow control valve for gas engine |
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| CN110953398B (en) | 2021-08-13 |
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