CN219472842U - Double-port exhaust valve with good sealing performance - Google Patents

Abstract

The application relates to a two mouthfuls discharge valve that leakproofness is good, including the valve body, the valve body is equipped with holds chamber and two exhaust chambers, the water inlet has been seted up to the tip under the valve body, exhaust hole has been seted up to the upper end, exhaust intracavity sliding connection has the floater, the baffle has been set firmly between the chamber with holding, the through-hole has been seted up to the baffle, the shrouding has been set firmly to the through-hole, the gas pocket has been seted up to the baffle upper end, the one end intercommunication of gas pocket is in the through-hole upper end, the other end intercommunication exhaust chamber and be located the floater upper end, the water hole has been seted up to the baffle lower extreme, the one end intercommunication of water hole is in the exhaust chamber lower extreme, and be located the floater lower extreme, sliding connection has the baffle, the logical groove has been seted up to the baffle, the opening with the water hole adaptation has been set firmly in the through-hole, montant fixedly connected with reset spring, reset spring is in natural state, reset spring's one end fixed connection is in the baffle. This application has the probability that reduces high-speed liquid and follow exhaust hole discharge, improves the effect of leakproofness.

Description

Double-port exhaust valve with good sealing performance

Technical Field

The application relates to the technical field of exhaust valves, in particular to a double-port exhaust valve with good sealing performance.

Background

The double-port exhaust valve is one of exhaust valves, is applied to pipelines with water as a medium, and can exhaust gas in the pipelines after being installed on the pipelines, so that the flow velocity of water in the pipelines is ensured, and the conveying efficiency is improved.

The related art can refer to the chinese patent publication No. CN212718311U and discloses a novel two-port exhaust valve, in order to improve the exhaust, the sealing performance of two-port exhaust valve, the inboard through-connection of gland has the valve rod, the bottom mounting of valve rod has the valve clack, the inside of exhaust valve body is located both sides position department symmetry and is provided with the exhaust cavity, the inboard of water inlet is fixed with the filter screen, the exhaust cavity passes through spacing spout and floater block, one side of exhaust cavity is provided with clean mechanism.

With the related art, when the flow rate of the liquid in the pipeline is too high, the high-speed liquid overflows from the exhaust hole before the floating ball rises after flowing into the exhaust cavity, so that the sealing performance is not high.

Disclosure of Invention

In order to reduce the probability of high-speed liquid discharging from the exhaust hole and improve the sealing performance, the application provides a double-port exhaust valve with good sealing performance.

The application provides a two mouthful discharge valves that leakproofness is good, adopts following technical scheme:

the utility model provides a two mouthfuls discharge valve that leakproofness is good, including the valve body, the valve body is equipped with holds chamber and two exhaust chambers, the water inlet with holding the chamber intercommunication has been seted up to the tip under the valve body, the exhaust hole with exhaust chamber intercommunication has been seted up to the valve body upper end, sliding connection has the floater with the exhaust hole adaptation, the baffle has been set firmly between exhaust chamber and the holding chamber, the through-hole that the intercommunication held chamber and exhaust chamber has been seted up to the baffle, the one end that the through-hole was close to the exhaust chamber has set firmly the shrouding, the gas pocket has been seted up to the baffle upper end, the one end intercommunication of gas pocket is in the through-hole upper end, the other end intercommunication exhaust chamber and be located the floater upper end, the water hole has been seted up to the one end intercommunication in the exhaust chamber lower tip of water hole, and be located the floater lower tip of the other end intercommunication in the through-hole, the through-hole sliding connection has the baffle, the logical groove has been seted up to the baffle, the opening with the water hole adaptation has been seted up to the baffle, montant fixedly connected with reset spring in the through-hole, reset spring is in the natural state, reset spring's one end fixedly connected with in the baffle.

Through adopting above-mentioned technical scheme, when exhausting, gas gets into the chamber that holds by the water inlet, later gets into two through-holes on the baffle, and the logical groove on the baffle gets into the exhaust chamber by gas pocket and water hole, finally is discharged by the exhaust hole. The high-speed liquid is blocked by the baffle after entering the accommodating cavity from the water inlet, the liquid enters the through hole and then impacts the baffle, the baffle is close to the sealing plate, the reset spring stretches at the moment, the air hole at the upper end is blocked after the baffle is abutted against the sealing plate, the high-speed liquid flows into the lower end of the floating ball from the water hole at the moment, the floating ball is pushed to float upwards to block the exhaust hole, and the reset spring drives the baffle to reset under the supporting action of the vertical rod after the flow speed of the liquid is reduced. The high-speed liquid flows out from the lower end part of the floating ball after being decelerated by the baffle plate and the baffle plate, the speed of the floating ball is slowed down, the floating ball floats upwards, the speed of the floating ball is matched with the liquid flow flowing into the exhaust cavity, the liquid is not easy to flow out from the exhaust hole, and the sealing performance is improved.

Optionally, the floater upper end fixedly connected with sealing rod, sealing rod sliding connection just laminate with the exhaust hole inner wall in the exhaust hole, and vertical hole has been seted up to the sealing rod, and the one end in vertical hole communicates the exhaust hole, and the other end communicates the exhaust chamber.

Through adopting above-mentioned technical scheme, under the initial state, the both ends in vertical hole communicate exhaust hole and exhaust chamber respectively, and gaseous follow vertical hole discharge. When the floating ball rises, the sealing rod moves upwards, the lower end part of the vertical hole enters the exhaust hole, so that the vertical hole is blocked, and the sealing rod is beneficial to improving the sealing performance of the exhaust hole.

Optionally, the valve body is equipped with the end cover, and end cover threaded connection has the ejector pin, and the ejector pin lower extreme has set firmly the sealing block with the water inlet adaptation.

Through adopting above-mentioned technical scheme, under the supporting action of valve gap, rotate the ejector pin for the sealing block blocks up the water inlet.

Optionally, the end cover is provided with a plurality of mounting bolts, the mounting bolts penetrate through the end cover and are in threaded connection with the valve body, and a sealing gasket is arranged at the joint of the end cover and the valve=valve body.

Through adopting above-mentioned technical scheme, dismantle the mounting bolt back and dismantle the end cover, be convenient for overhaul the valve body inside, sealed pad is favorable to improving the leakproofness between valve gap and the valve body.

Optionally, the end cover is fixedly connected with a sealing tube, and the sealing block is positioned in the sealing tube and is attached to the inner wall of the sealing tube.

By adopting the technical scheme, the sealing block is positioned in the sealing tube, so that the leakage probability of the joint of the ejector rod and the end cover of liquid is reduced.

Optionally, the exhaust chamber inner wall has seted up vertical groove, floater fixedly connected with slider, slider and vertical groove inner wall sliding connection.

Through adopting above-mentioned technical scheme, erect the groove and carry out spacingly to the slider, be favorable to improving the stability when floater come-up.

Optionally, the exhaust chamber inner wall has set firmly the holding ring, and the floater is laminated with the holding ring, and the air vent has been seted up to floater and exhaust chamber inner wall laminating department.

Through adopting above-mentioned technical scheme, support ring supports the floater for liquid is surging into the exhaust intracavity under the initial state and is assembled in the floater below, and then reduces the direct impact of liquid to the floater, is favorable to reducing the impaired probability of sealing rod, and the gaseous of floater lower extreme upwards discharges by the ventilation groove.

Optionally, the ring channel has been seted up to the water inlet inner wall, and sliding connection has the filter screen in the ring channel, and the butt of ring channel upper end has a solid fixed ring, and gu fixed ring is equipped with a plurality of fixing bolt, and gu fixed ring and valve body threaded connection are worn to establish to fixing bolt.

Through adopting above-mentioned technical scheme, the filter screen filters the liquid that gets into the valve body, is favorable to reducing the probability that debris blockked up the exhaust hole, and fixing bolt links together solid fixed ring and valve body, and then carries out spacingly to the valve body through gu fixed ring and ring channel inner wall cooperation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when exhausting, the gas enters the accommodating cavity from the water inlet, then enters the two through holes on the baffle plate, the through grooves on the baffle plate enter the exhaust cavity from the air holes and the water holes, and finally is exhausted from the exhaust hole. The high-speed liquid is blocked by the baffle after entering the accommodating cavity from the water inlet, the liquid enters the through hole and then impacts the baffle, the baffle is close to the sealing plate, the reset spring stretches at the moment, the air hole at the upper end is blocked after the baffle is abutted against the sealing plate, the high-speed liquid flows into the lower end of the floating ball from the water hole at the moment, the floating ball is pushed to float upwards to block the exhaust hole, and the reset spring drives the baffle to reset under the supporting action of the vertical rod after the flow speed of the liquid is reduced. The high-speed liquid flows out from the lower end part of the floating ball after being decelerated by the baffle plate and the baffle plate, the speed of the floating ball is slowed down, the floating speed of the floating ball is matched with the flow of the liquid flowing into the exhaust cavity, the liquid is not easy to flow out from the exhaust hole, and the sealing performance is improved;

2. in the initial state, the two ends of the through hole are respectively communicated with the exhaust hole and the exhaust cavity, and the gas is exhausted along the through hole. When the floating ball rises, the sealing rod moves upwards, the lower end part of the through hole enters the exhaust hole, so that the through hole is blocked, and the sealing rod is beneficial to improving the sealing performance of the exhaust hole;

3. in the initial state, the two ends of the through hole are respectively communicated with the exhaust hole and the exhaust cavity, and the gas is exhausted along the through hole. When the floating ball rises, the sealing rod moves upwards, the lower end part of the through hole enters the exhaust hole, so that the through hole is blocked, and the sealing rod is beneficial to improving the sealing performance of the exhaust hole.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a double-port exhaust valve with good sealing performance.

Fig. 2 is a schematic view intended to highlight the internal structure of the valve body.

Fig. 3 is an enlarged schematic view of the portion a in fig. 2.

Reference numerals illustrate: 1. a valve body; 11. a receiving chamber; 12. an exhaust chamber; 13. a partition plate; 14. an end cap; 131. a through hole; 132. air holes; 133. a water hole; 134. a sealing plate; 135. a vertical rod; 136. a return spring; 137. a baffle; 138. a through groove; 139. an opening; 2. a floating ball; 21. a sealing rod; 211. a vertical hole; 121. an exhaust hole; 141. a push rod; 142. a sealing block; 143. sealing the tube; 144. installing a bolt; 145. a sealing gasket; 122. a vertical groove; 22. a slide block; 123. a support ring; 124. a vent groove; 15. an annular groove; 16. a filter screen; 17. a fixing ring; 171. a fixing bolt; 18. and a water inlet.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a double-port exhaust valve with good sealing performance.

Referring to fig. 1 and 2, a double-port exhaust valve with good sealing performance comprises a valve body 1, wherein the valve body 1 is integrally formed and is made of stainless steel. The valve body 1 is provided with a containing cavity 11 and two exhaust cavities 12, the containing cavity 11 is positioned between the two exhaust cavities 12, a partition plate 13 is arranged between the containing cavity 11 and the exhaust cavities 12, and a through hole 131 for communicating the containing cavity 11 and the exhaust cavities 12 is formed.

Referring to fig. 1 and 2, a water inlet 18 is formed in the lower end portion of the valve body 1, liquid or gas enters the accommodating cavity 11 from the water inlet 18, the valve body 1 is provided with an end cover 14, a plurality of mounting bolts 144 are circumferentially arranged on the end cover 14, and an operator wears the mounting bolts 144 to connect the end cover 14 with the valve body 1 in a threaded manner, so that the end cover 14 is attached to the valve body 1. A sealing gasket 145 is arranged between the end cover 14 and the valve body 1, which is beneficial to improving the sealing performance between the valve body 1 and the end cover 14.

Referring to fig. 1 and 2, the end cover 14 is provided with a push rod 141, the push rod 141 penetrates through the end cover 14 and is in threaded connection with the end cover, a sealing block 142 is fixed at the lower end of the push rod 141, and an operator can rotate the push rod 141 to enable the push rod 141 to drive the sealing block 142 to seal the water inlet 18 in a blocking manner. The end cover 14 is fixed with the sealing tube 143, and in an initial state, the sealing block 142 is positioned in the sealing tube 143 and is attached to the inner wall of the sealing tube 143, so that the leakage probability of liquid from the joint of the ejector rod 141 and the end cover 14 is reduced.

Referring to fig. 1 and 2, a floating ball 2 is arranged in an exhaust cavity 12, the floating ball 2 is attached to the inner wall of the exhaust cavity 12 along the circumferential direction, a supporting ring 123 is fixedly connected to the inner wall of the exhaust cavity 12, the upper end of the supporting ring 123 is attached to the floating ball 2, and the floating ball 2 divides the exhaust cavity 12 into an upper part and a lower part under the supporting action of the supporting ring 123.

Referring to fig. 2 and 3, the valve body 1 is provided with an exhaust hole 121 communicated with the exhaust cavity 12, the upper end part of the floating ball 2 is fixedly connected with a sealing rod 21, the sealing rod 21 is slidably connected in the exhaust hole 121 and is attached to the inner wall of the exhaust hole 121, the sealing rod 21 is provided with a vertical hole 211 along the axial direction, the upper end part of the vertical hole 211 is communicated with the exhaust hole 121, and the lower end part of the vertical hole 211 is communicated with the exhaust cavity 12.

Referring to fig. 2 and 3, a vertical rod 135 is fixedly connected in the through hole 131, a return spring 136 is fixedly connected to one side, away from the accommodating cavity 11, of the vertical rod 135, a baffle 137 is slidably connected in the vertical hole 211, a through groove 138 is formed in the baffle 137, the through groove 138 penetrates through the baffle 137, and one end, away from the vertical plate, of the return spring 136 is fixedly connected with the baffle 137.

Referring to fig. 2 and 3, a sealing plate 134 is fixed to one end of the through hole 131 near the exhaust cavity 12, the sealing plate 134 plugs the through hole 131, a water hole 133 and an air hole 132 are formed in one end of the through hole 131 near the sealing plate 134, the air hole 132 is located at the upper end of the through hole 131, and the other end of the air hole 132 is located at the upper end of the floating ball 2. The gas entering the through hole 131 enters the air hole 132 through the through groove 138 on the baffle 137 and is discharged from the air outlet hole 121 along the vertical hole 211 on the inner wall of the air outlet cavity 12, the return spring 1356 has certain strength, and the gas is not easy to push the baffle 137 to pull the return spring 1356.

Referring to fig. 2 and 3, when the high-speed liquid enters the through hole 131, the baffle 137 is pushed to move toward the sealing plate 134, and the return spring 1356 is further stretched, and after the baffle 137 abuts against the sealing plate 134, the air hole 132 is blocked by the baffle 137. The water hole 133 is located at the lower end of the through hole 131, the other end of the water hole 133 is located at the lower end of the floating ball 2, the baffle 137 is provided with an opening 139 matched with the water hole 133, high-speed liquid enters the exhaust cavity 12 from the water hole 133, and the floating ball 2 is pushed upwards, so that the sealing rod 21 enters the exhaust hole 121 to seal the exhaust hole 121.

Referring to fig. 2 and 3, an air vent groove 124 is formed in the inner wall of the exhaust chamber 12, and air at the lower end portion of the floating ball 2 is discharged upward from the air vent groove 124. The floater 2 is fixed with a plurality of sliders 22 along circumference, and the spout with slider 22 adaptation is seted up to exhaust chamber 12 inner wall, slider 22 sliding connection in the spout to laminate with the spout inner wall, the spout inner wall is spacing slider 22, is favorable to improving the stability when floater 2 come-up.

Referring to fig. 2 and 3, after the high-speed liquid enters the through hole 131 and is decelerated by the baffle 137, the speed is slowed down, so that the floating ball 2 floats up at a speed matched with the flowing speed of the liquid entering the exhaust cavity 12, and the liquid is not easy to flow out of the exhaust hole 121, which is beneficial to improving the tightness of the exhaust valve. After the flow speed of the liquid is reduced, the return spring 1356 drives the baffle 137 to return under the supporting action of the vertical rod 135

Referring to fig. 2 and 3, an annular groove 15 is formed in the inner wall of the valve body 1, and the annular groove 15 is positioned at the water inlet 18. The filter screen 16 is arranged in the annular groove 15, and the filter screen 16 filters liquid entering the valve body 1, so that the probability of sundries blocking the exhaust hole 121 is reduced. The filter screen 16 is slidingly connected with the inner wall of the annular groove 15. The inside of the valve body 1 is provided with the fixed ring 17, the fixed ring 17 is abutted with the filter screen 16, the fixed ring 17 is provided with a plurality of fixed bolts 171, an operator wears the fixed ring 17 through the fixed bolts 171 to be in threaded connection with the valve body 1, so that the fixed ring 17 is matched with the valve body 1 to position the filter screen 16, and the filter screen 16 is convenient to replace after all the fixed bolts 171 are disassembled.

The implementation principle of the double-port exhaust valve with good sealing performance is as follows: when exhausting, after entering the accommodating chamber 11, the air passes through the through groove 138 along the through hole 131, enters the exhaust chamber 12 through the air hole 132 and the water hole 133, and is exhausted through the exhaust hole 121 through the vertical hole 211. The high-speed liquid enters the through hole 131 and then impacts the baffle 137, so that the baffle 137 is pushed to approach the sealing plate 134, the baffle 137 stretches the return spring 1356, the air hole 132 is blocked after the baffle 137 is abutted against the sealing plate 134, the high-speed liquid enters the water hole 133 along the opening 139 and flows into the lower part of the floating ball 2, the floating ball 2 is pushed, the sealing rod 21 blocks the exhaust hole 121, and after the flowing speed of the liquid is reduced, the return spring 1356 drives the baffle 137 to return under the supporting action of the vertical rod 135. The high-speed liquid is slowed down through the baffle 13 and the baffle 137, and then the flowing speed is slowed down, and the speed of floating ball 2 floating up is matched with the liquid flow of the liquid flowing into the exhaust cavity 12, so that the liquid is not easy to flow out from the exhaust hole 121, and the sealing performance of the valve body 1 is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a two mouthful discharge valves that leakproofness is good, includes valve body (1), and valve body (1) are equipped with and hold chamber (11) and two exhaust chamber (12), its characterized in that: the valve body (1) is provided with a water inlet (18) communicated with the accommodating cavity (11) at the lower end part, the upper end part of the valve body (1) is provided with an exhaust hole (121) communicated with the exhaust cavity (12), a floating ball (2) matched with the exhaust hole (121) is slidably connected in the exhaust cavity (12), a partition plate (13) is fixedly arranged between the exhaust cavity (12) and the accommodating cavity (11), the partition plate (13) is provided with a through hole (131) communicated with the accommodating cavity (11) and the exhaust cavity (12), one end of the through hole (131) close to the exhaust cavity (12) is fixedly provided with a sealing plate (134), the upper end part of the partition plate (13) is provided with an air hole (132), one end of the air hole (132) is communicated with the upper end part of the through hole (131), the other end of the air hole (12) is communicated with the upper end part of the floating ball (2), the lower end part of the partition plate (13) is provided with a water hole (133), one end of the water hole (133) is communicated with the lower end part of the exhaust cavity (12) and is positioned at the lower end part of the floating ball (2), the other end of the partition plate (131) is communicated with the lower end part of the through hole (131), the inner slide plate (131) is fixedly connected with a baffle plate (137), the upper end (137) is provided with a baffle plate (135) and a vertical rod (139) is fixedly provided with the water inlet (133), the vertical rod (135) is fixedly connected with a return spring (1356), the return spring (1356) is in a natural state, and one end of the return spring (1356) is fixedly connected with the baffle (137).

2. The double-port exhaust valve with good sealing performance according to claim 1, wherein: the upper end part of the floating ball (2) is fixedly connected with a sealing rod (21), the sealing rod (21) is slidably connected in the exhaust hole (121) and is attached to the inner wall of the exhaust hole (121), a vertical hole (211) is formed in the sealing rod (21), one end of the vertical hole (211) is communicated with the exhaust hole (121), and the other end of the vertical hole is communicated with the exhaust cavity (12).

3. The double-port exhaust valve with good sealing performance according to claim 1, wherein: the valve body (1) is provided with an end cover (14), the end cover (14) is in threaded connection with a push rod (141), and a sealing block (142) matched with the water inlet (18) is fixedly arranged at the lower end part of the push rod (141).

4. A dual port exhaust valve having good sealing properties according to claim 3, wherein: the end cover (14) is provided with a plurality of mounting bolts (144), the mounting bolts (144) penetrate through the end cover (14) and are in threaded connection with the valve body (1), and a sealing gasket (145) is arranged at the joint of the end cover (14) and the valve body (1).

5. A dual port exhaust valve having good sealing properties according to claim 3, wherein: the end cover (14) is fixedly connected with a sealing tube (143), and the sealing block (142) is positioned in the sealing tube (143) and is attached to the inner wall of the sealing tube (143).

6. The double-port exhaust valve with good sealing performance according to claim 1, wherein: a vertical groove (122) is formed in the inner wall of the exhaust cavity (12), the floating ball (2) is fixedly connected with a sliding block (22), and the sliding block (22) is in sliding connection with the inner wall of the vertical groove (122).

7. The double-port exhaust valve with good sealing performance according to claim 1, wherein: the inner wall of the exhaust cavity (12) is fixedly provided with a supporting ring (123), the floating ball (2) is attached to the supporting ring (123), and an air vent groove (124) is formed in the attached position of the floating ball (2) and the inner wall of the exhaust cavity (12).

8. The double-port exhaust valve with good sealing performance according to claim 1, wherein: an annular groove (15) is formed in the inner wall of the water inlet (18), a filter screen (16) is connected in the annular groove (15) in a sliding mode, a fixing ring (17) is abutted to the upper end portion of the annular groove (15), a plurality of fixing bolts (171) are arranged on the fixing ring (17), and the fixing bolts (171) penetrate through the fixing ring (17) to be in threaded connection with the valve body (1).