CN213929568U - Multifunctional vacuum breaker valve - Google Patents
Multifunctional vacuum breaker valve Download PDFInfo
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- CN213929568U CN213929568U CN202022647653.2U CN202022647653U CN213929568U CN 213929568 U CN213929568 U CN 213929568U CN 202022647653 U CN202022647653 U CN 202022647653U CN 213929568 U CN213929568 U CN 213929568U
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Abstract
A multifunctional vacuum breaker valve comprises a valve body, mounting heads arranged on the left side and the right side of the lower end of the valve body and a pipeline butt joint groove arranged on the lower surface of the valve body, wherein a sealing hole is formed in the upper surface of the valve body; a sealing seat is screwed in the sealing hole; a ventilation cavity is formed by enclosing the lower surface of the sealing seat, the bottom of the sealing hole and the inner wall of the sealing hole; an opening and closing hole is formed in the center of the bottom of the sealing hole; the side wall of the right side of the valve body is provided with an air inlet communicated with the bottom of the opening and closing hole; a moving hole is formed in the center of the lower surface of the sealing seat; a guide shaft coaxial with the opening and closing hole is arranged at the center of the bottom of the moving hole; and the guide shaft is sleeved with an opening and closing device matched with the guide shaft. The utility model discloses a multi-functional vacuum destruction valve not only can destroy the vacuum, and can effectively improve the external air flow speed and guarantee to enter into the clean degree to the external air in the pipeline, realizes multi-functional effect.
Description
Technical Field
The utility model relates to a vacuum breaker valve, especially a multi-functional vacuum breaker valve.
Background
The vacuum breaker valve is a valve installed on the siphon water pipe, plays the effect of quick gate, and when negative pressure appeared in the pipeline, the vacuum breaker valve then can open very first time, and the external air enters into to the pipeline through the vacuum breaker valve in, the inside vacuum of pipeline is destroyed to the external air this moment, and the protection pipeline can not be inhaled flat by the negative pressure.
Traditional vacuum destruction valve only has the function of destroying the vacuum, but in the in-service use process, often can meet other problems, for example the outside air flow speed is not enough to lead to vacuum can't in time be destroyed, cause the pipeline still to receive the negative pressure influence the condition that damages appears, outside air can't guarantee the purity degree of self when getting into the pipeline simultaneously, very easily carry impurity and get into to the pipeline in, though solved the negative pressure problem, but can lead to sneaking into impurity in the pipeline, influence the clean degree of the rivers in the conduit, if only rely on the function that vacuum destruction valve singly destroys the vacuum, then can't solve above-mentioned two problems.
Disclosure of Invention
The utility model aims to solve the current technical problem and provide a multi-functional vacuum destruction valve, it not only can destroy the vacuum, and can effectively improve the external air flow speed and guarantee to get into the clean degree to the external air in the pipeline, realizes multi-functional effect.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model discloses a multi-functional vacuum break valve, including the valve body, locate the installation head of the valve body lower extreme left and right sides and locate the pipeline butt joint groove of valve body lower surface, its characterized in that: the upper surface of the valve body is provided with a sealing hole; a sealing seat is screwed in the sealing hole; a ventilation cavity is formed by enclosing the lower surface of the sealing seat, the bottom of the sealing hole and the inner wall of the sealing hole; an opening and closing hole is formed in the center of the bottom of the sealing hole; the side wall of the right side of the valve body is provided with an air inlet communicated with the bottom of the opening and closing hole; a moving hole is formed in the center of the lower surface of the sealing seat; a guide shaft coaxial with the opening and closing hole is arranged at the center of the bottom of the moving hole; the guide shaft is sleeved with an opening and closing device matched with the guide shaft, and the opening and closing device blocks and seals an orifice at the upper end of the opening and closing hole; the vent cavity is communicated with the pipeline butt joint groove through a vent hole; an annular screw connection groove is arranged at an orifice at the upper end of the vent hole, the diameter of the screw connection groove is larger than that of the vent hole, and a clamping step is formed between the screw connection groove and the vent hole; a fixing plate attached to the clamping step is arranged on the clamping step; a fixed shaft positioned in the vent hole is arranged in the center of the lower surface of the fixed plate; the lower end of the fixed shaft is provided with a fan blade matched with the fixed shaft; a filter plate attached to the upper surface of the fixed plate is arranged above the fixed plate, and a plurality of uniformly distributed filter holes are formed in the filter plate; a fastening plate which is attached to the upper surface of the filter plate is screwed in the screw joint groove; the fastening plate is provided with a plurality of first air holes communicated with the air cavity; a plurality of second air holes communicated with the air holes are formed in the fixing plate; the first air hole is communicated with the second air hole through the air hole.
The opening and closing device comprises an opening and closing piece, the opening and closing piece consists of a moving plate and a spherical plug positioned right below the moving plate, the spherical plug is plugged in a hole at the upper end of the opening and closing hole, and the diameter of the spherical plug is larger than that of the opening and closing hole; the opening and closing piece is provided with a guide hole matched with the guide shaft, an orifice at the upper end of the guide hole is positioned on the upper surface of the moving plate, and an orifice at the lower end of the guide hole is positioned on the lower end surface of the spherical plug; the peripheral surface of the moving plate is provided with a plurality of spherical caulking grooves which are uniformly distributed in the circumferential direction; a ball matched with the spherical caulking groove is arranged in the spherical caulking groove, and one end of the ball protrudes out of the spherical caulking groove and is contacted with the inner wall of the moving hole; the lower end face of the spherical plug is provided with a plurality of gravity center grooves which are uniformly distributed in the circumferential direction; and a gravity block matched with the gravity center groove is arranged in the gravity center groove.
A rubber sleeve is sleeved outside the spherical plug; the outer wall of the spherical plug is provided with an annular clamping groove; and a snap ring matched with the clamping groove extends inwards from the inner wall of the upper end of the rubber sleeve.
The inner wall of the guide hole is provided with an annular sealing groove; and a sealing ring matched with the sealing groove is arranged in the sealing groove.
The inner wall of the vent hole is provided with a spiral speed-increasing groove which is positioned below the fan blade.
The center of the fan blade is provided with a rotating hole matched with the fixed shaft; the lower end of the fixed shaft is provided with a lower limit part positioned right below the fan blade, and the fixed shaft is provided with an upper limit part positioned right above the fan blade.
The upper end of the sealing seat is provided with a limiting head; the diameter of the limiting head is larger than that of the sealing seat, and a limiting step attached to the upper surface of the valve body is formed between the limiting head and the sealing seat.
The utility model has the advantages that:
compared with the prior art, adopt the utility model discloses the multi-functional vacuum of structure destroys valve accessible and opens and close the piece and realize conduit and external circulation of air, when negative pressure appears in conduit, the external air then can promote the ball-type end cap of opening and close the piece fast and get into to the conduit in, pressure in the quick balanced conduit, and the filtration pore on the filter can carry out effective filtration to the impurity in the external air, avoid impurity to lead to rivers to become unclean condition along with the external air gets into to the conduit in, guarantee the clean degree of rivers, the existence of fan blade can play the acceleration rate effect to the external air, make the external air get into destruction vacuum in the conduit fast, thereby have destruction vacuum simultaneously, filter, three kinds of acceleration rate functions, realize multi-functional effect.
Drawings
FIG. 1 is a schematic view of the multi-functional vacuum break valve of the present invention;
FIG. 2 is an enlarged view of section A of FIG. 1;
fig. 3 is an enlarged view of a portion B of fig. 1.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 to 3, the present invention provides a multi-functional vacuum breaker valve, which includes a valve body 1, mounting heads 2 disposed at the left and right sides of the lower end of the valve body 1, and a pipe butt-joint groove 3 disposed at the lower surface of the valve body 1, wherein a sealing hole 4 is disposed at the upper surface of the valve body 1; a sealing seat 5 is screwed in the sealing hole 4; a ventilation cavity 6 is formed by enclosing the lower surface of the sealing seat 5, the bottom of the sealing hole 4 and the inner wall of the sealing hole 4; an opening and closing hole 7 is formed in the center of the bottom of the sealing hole 4; the side wall of the right side of the valve body 1 is provided with an air inlet 8 communicated with the bottom of the opening and closing hole 7; a moving hole 9 is formed in the center of the lower surface of the sealing seat 5; a guide shaft 10 coaxial with the opening and closing hole 7 is arranged at the center of the bottom of the moving hole 9; the guide shaft 10 is externally sleeved with an opening and closing device matched with the guide shaft, and the opening and closing device blocks and seals an orifice at the upper end of the opening and closing hole 7; the vent cavity 6 is communicated with the pipeline butt joint groove 3 through a vent hole 11; an annular bolt connection groove 12 is arranged at an upper end orifice of the vent hole 11, the diameter of the bolt connection groove 12 is larger than that of the vent hole 11, and a clamping step 13 is formed between the bolt connection groove 12 and the vent hole 11; a fixing plate 14 attached to the clamping step 13 is arranged on the clamping step; a fixed shaft 15 positioned in the vent hole 11 is arranged at the center of the lower surface of the fixed plate 14; the lower end of the fixed shaft 15 is provided with a fan blade 16 matched with the fixed shaft; a filter plate 17 attached to the upper surface of the fixing plate 14 is arranged above the fixing plate, and a plurality of uniformly distributed filter holes 18 are formed in the filter plate 17; a fastening plate 19 which is attached to the upper surface of the filter plate 17 is screwed in the screwing groove 12; the fastening plate 19 is provided with a plurality of first air holes 20 communicated with the air cavity 6; a plurality of second air holes 21 communicated with the air holes 11 are formed in the fixing plate 14; the first air hole 20 and the second air hole 21 are communicated through the vent hole 11.
The opening and closing device comprises an opening and closing piece 22, the opening and closing piece 22 consists of a moving plate 2201 and a spherical plug 2202 positioned right below the moving plate 2201, the spherical plug 2202 is plugged in a hole at the upper end of the opening and closing hole 7, and the diameter of the spherical plug 2202 is larger than that of the opening and closing hole 7; a guide hole 23 matched with the guide shaft 10 is formed in the opening and closing piece 22, an orifice at the upper end of the guide hole 23 is positioned on the upper surface of the movable plate 2201, and an orifice at the lower end of the guide hole 23 is positioned on the lower end surface of the spherical plug 2202; the peripheral surface of the moving plate 2201 is provided with a plurality of spherical caulking grooves 24 which are uniformly distributed in the circumferential direction; a ball 25 matched with the spherical caulking groove 24 is arranged in the spherical caulking groove 24, and one end of the ball 25 protrudes out of the spherical caulking groove 24 and is contacted with the inner wall of the moving hole 9; a plurality of gravity center grooves 26 which are uniformly distributed in the circumferential direction are formed in the lower end face of the spherical plug 2202; the gravity center groove 26 is internally provided with a gravity block 27 matched with the gravity center groove.
A rubber sleeve 28 is sleeved outside the spherical plug 2202; the outer wall of the spherical plug 2202 is provided with an annular clamping groove 29; a snap ring 30 matched with the snap groove 29 extends inwards from the inner wall of the upper end of the rubber sleeve 28.
An annular sealing groove 31 is formed in the inner wall of the guide hole 23; a sealing ring 32 matched with the sealing groove 31 is arranged in the sealing groove.
The inner wall of the vent hole 11 is provided with a spiral speed increasing groove 33, and the speed increasing groove 33 is positioned below the fan blade 16.
The center of the fan blade 16 is provided with a rotating hole 34 matched with the fixed shaft 15; the lower end of the fixed shaft 15 is provided with a lower limit part 35 positioned right below the fan blade 16, and the fixed shaft 15 is provided with an upper limit part 36 positioned right above the fan blade 16.
The upper end of the sealing seat 5 is provided with a limiting head 37; the diameter of the limiting head 37 is larger than that of the sealing seat 5, and a limiting step 38 which is attached to the upper surface of the valve body 1 is formed between the limiting head 37 and the sealing seat 5.
The utility model discloses a use method as follows:
the vacuum breaker valve is butted with the end part of the water pipeline through the pipeline butt joint groove 3, then the vacuum breaker valve is fixed through the matching of the mounting head 2 and a screw, when negative pressure occurs in the water pipeline, the air pressure of the outside air is larger than the air pressure in the water pipeline, at the moment, the outside air can pass through the air inlet hole 8 and the opening and closing hole 7 to push the spherical plug 2202 of the opening and closing piece 22 upwards, at the moment, the opening and closing piece 22 moves upwards along the track of the guide shaft 10, the spherical plug 2202 is not blocked at the upper end orifice of the opening and closing piece 7, the opening and closing hole 7 is communicated with the vent cavity 6, the outside air can enter the vent hole 11 through the vent cavity 6 at the first time, the outside air can pass through the first vent hole 20, the filter hole 18 and the second vent hole 21 in sequence, when the outside air passes through the filter hole 18, the filter hole 18 can isolate impurities mixed in the outside air above the filter plate 17 through the small aperture thereof, effectively avoid impurity to enter into to the air vent 11 along with outside air, guarantee to enter into the pure degree of the inside outside air of air vent 11.
When the outside air filtered by the filtering holes 18 enters the ventilating holes 11 through the second ventilating holes 21, the outside air blows the fan blades 16, at the moment, the fan blades 16 rotate along the track of the fixed shaft 15 through the self-rotating holes 34, and when the fan blades 16 rotate, a downward-pushing airflow is formed, so that the downward flowing speed of the outside air entering the ventilating holes 11 is effectively increased, the outside air rapidly enters the water pipeline through the pipeline butt joint groove 3, the pressure in the water pipeline is rapidly balanced, and the condition that the vacuum degree is damaged due to insufficient outside air flow rate to cause that the water pipeline is damaged in time is effectively avoided.
To sum up, can know, the utility model discloses the accessible is opened and close the piece and is realized conduit and external circulation of air, when the negative pressure appears in conduit, the external air then can promote the ball-type end cap 2202 of opening and close 22 fast and get into to conduit in, pressure in the quick balanced conduit, and filtration pore 18 on the filter 17 can carry out effective filtration to the impurity in the external air, avoid impurity to lead to rivers to become unclean condition in getting into conduit along with the external air, guarantee the clean degree of rivers, the existence of fan blade can play the acceleration rate effect to the external air, make the external air get into fast and destroy the vacuum in the conduit, thereby have simultaneously and destroy the vacuum, filter, three kinds of functions of acceleration rate, realize multi-functional effect.
The peripheral surface of the movable plate 2201 is provided with a plurality of spherical caulking grooves 24 which are uniformly distributed in a circumferential manner, the spherical caulking grooves 24 are internally provided with balls 25 matched with the spherical caulking grooves, one end of each ball 25 protrudes out of the spherical caulking groove 24 and is contacted with the inner wall of the moving hole 9, when the movable plate 2201 moves, the balls 25 roll along with the spherical caulking grooves, the existence of the balls 25 can effectively reduce the friction force between the peripheral surface of the movable plate 2201 and the inner wall of the moving hole 9 and effectively improve the moving smoothness of the movable plate 2201, so that the sensing sensitivity of the opening and closing piece 22 to air pressure is improved, the lower end surface of the spherical plug 2202 is provided with a plurality of gravity center grooves 26 which are uniformly distributed in a circumferential manner, gravity blocks 27 matched with the gravity center grooves 26 are arranged in the gravity center grooves 26, the existence of the gravity blocks 27 can effectively increase the weight of the lower end of the opening and closing piece 22 and ensure the gravity center of the opening and closing piece 22, when the air pressure returns to be normal, the opening and closing piece 22 can automatically fall under the gravity of the gravity blocks 27, and the upper end orifice of the openable and closable orifice 7 is blocked and sealed again.
The rubber sleeve 28 is sleeved outside the spherical plug 2202, the annular clamping groove 29 is formed in the outer wall of the spherical plug 2202, the snap ring 30 matched with the clamping groove 29 extends inwards from the inner wall of the upper end of the rubber sleeve 28, the existence of the rubber sleeve 28 can effectively improve the sealing performance when the upper end orifice of the opening and closing hole 7 is blocked and sealed by the spherical plug 2202 of the opening and closing piece 22, and the air leakage condition is avoided.
The inner wall of the guide hole 23 is provided with an annular seal groove 31, a seal ring 32 matched with the seal groove 31 is arranged in the seal groove 31, the existence of the seal ring 32 can effectively improve the sealing performance between the guide shaft 10 and the guide hole 23, and the air leakage condition is effectively avoided.
The inner wall of the vent hole 11 is provided with a spiral accelerating groove 33, the accelerating groove 33 is positioned below the fan blade 16, the track of the accelerating groove 33 enables the flowing outside air to flow towards the direction of the pipeline butt joint groove 3 in a spiral shape, the flowing speed of the outside air can be further improved, and the effect of assisting acceleration is achieved.
5 upper ends of seal receptacle 5 are equipped with spacing head 37, spacing head 37 diameter is greater than 5 diameters of seal receptacle, form the spacing step 38 of laminating mutually with the 1 upper surface of valve body between spacing head 37 and the seal receptacle 5, the position of spacing step 38's existence can effectively restrict seal receptacle 5 through spacing head 37, guarantee that 5 lower surfaces of seal receptacle and 4 hole bottoms in sealed hole have the interval, 5 lower surfaces of seal receptacle, 4 hole bottoms in sealed hole and 4 inner walls in sealed hole can enclose between close and form the chamber 6 of ventilating.
Claims (7)
1. The utility model provides a multi-functional vacuum break valve, includes the valve body, locates the installation head of the valve body lower extreme left and right sides and locates the pipeline butt joint groove of valve body lower surface, its characterized in that: the upper surface of the valve body is provided with a sealing hole; a sealing seat is screwed in the sealing hole; a ventilation cavity is formed by enclosing the lower surface of the sealing seat, the bottom of the sealing hole and the inner wall of the sealing hole; an opening and closing hole is formed in the center of the bottom of the sealing hole; the side wall of the right side of the valve body is provided with an air inlet communicated with the bottom of the opening and closing hole; a moving hole is formed in the center of the lower surface of the sealing seat; a guide shaft coaxial with the opening and closing hole is arranged at the center of the bottom of the moving hole; the guide shaft is sleeved with an opening and closing device matched with the guide shaft, and the opening and closing device blocks and seals an orifice at the upper end of the opening and closing hole; the vent cavity is communicated with the pipeline butt joint groove through a vent hole; an annular screw connection groove is arranged at an orifice at the upper end of the vent hole, the diameter of the screw connection groove is larger than that of the vent hole, and a clamping step is formed between the screw connection groove and the vent hole; a fixing plate attached to the clamping step is arranged on the clamping step; a fixed shaft positioned in the vent hole is arranged in the center of the lower surface of the fixed plate; the lower end of the fixed shaft is provided with a fan blade matched with the fixed shaft; a filter plate attached to the upper surface of the fixed plate is arranged above the fixed plate, and a plurality of uniformly distributed filter holes are formed in the filter plate; a fastening plate which is attached to the upper surface of the filter plate is screwed in the screw joint groove; the fastening plate is provided with a plurality of first air holes communicated with the air cavity; a plurality of second air holes communicated with the air holes are formed in the fixing plate; the first air hole is communicated with the second air hole through the air hole.
2. A multi-functional vacuum break valve according to claim 1, characterized in that: the opening and closing device comprises an opening and closing piece, the opening and closing piece consists of a moving plate and a spherical plug positioned right below the moving plate, the spherical plug is plugged in a hole at the upper end of the opening and closing hole, and the diameter of the spherical plug is larger than that of the opening and closing hole; the opening and closing piece is provided with a guide hole matched with the guide shaft, an orifice at the upper end of the guide hole is positioned on the upper surface of the moving plate, and an orifice at the lower end of the guide hole is positioned on the lower end surface of the spherical plug; the peripheral surface of the moving plate is provided with a plurality of spherical caulking grooves which are uniformly distributed in the circumferential direction; a ball matched with the spherical caulking groove is arranged in the spherical caulking groove, and one end of the ball protrudes out of the spherical caulking groove and is contacted with the inner wall of the moving hole; the lower end face of the spherical plug is provided with a plurality of gravity center grooves which are uniformly distributed in the circumferential direction; and a gravity block matched with the gravity center groove is arranged in the gravity center groove.
3. A multi-functional vacuum break valve according to claim 2, characterized in that: a rubber sleeve is sleeved outside the spherical plug; the outer wall of the spherical plug is provided with an annular clamping groove; and a snap ring matched with the clamping groove extends inwards from the inner wall of the upper end of the rubber sleeve.
4. A multi-functional vacuum break valve according to claim 2, characterized in that: the inner wall of the guide hole is provided with an annular sealing groove; and a sealing ring matched with the sealing groove is arranged in the sealing groove.
5. A multi-functional vacuum break valve according to claim 1, characterized in that: the inner wall of the vent hole is provided with a spiral speed-increasing groove which is positioned below the fan blade.
6. A multi-functional vacuum break valve according to claim 1, characterized in that: the center of the fan blade is provided with a rotating hole matched with the fixed shaft; the lower end of the fixed shaft is provided with a lower limit part positioned right below the fan blade, and the fixed shaft is provided with an upper limit part positioned right above the fan blade.
7. A multi-functional vacuum break valve according to claim 1, characterized in that: the upper end of the sealing seat is provided with a limiting head; the diameter of the limiting head is larger than that of the sealing seat, and a limiting step attached to the upper surface of the valve body is formed between the limiting head and the sealing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022647653.2U CN213929568U (en) | 2020-11-16 | 2020-11-16 | Multifunctional vacuum breaker valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022647653.2U CN213929568U (en) | 2020-11-16 | 2020-11-16 | Multifunctional vacuum breaker valve |
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| Publication Number | Publication Date |
|---|---|
| CN213929568U true CN213929568U (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022647653.2U Active CN213929568U (en) | 2020-11-16 | 2020-11-16 | Multifunctional vacuum breaker valve |
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| Country | Link |
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| CN (1) | CN213929568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033879A (en) * | 2021-11-25 | 2022-02-11 | 永高股份有限公司 | Suction valve for drainage system |
-
2020
- 2020-11-16 CN CN202022647653.2U patent/CN213929568U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033879A (en) * | 2021-11-25 | 2022-02-11 | 永高股份有限公司 | Suction valve for drainage system |
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