CN214305461U - Exhaust valve for liquid pipeline - Google Patents
Exhaust valve for liquid pipeline Download PDFInfo
- Publication number
- CN214305461U CN214305461U CN202120464570.1U CN202120464570U CN214305461U CN 214305461 U CN214305461 U CN 214305461U CN 202120464570 U CN202120464570 U CN 202120464570U CN 214305461 U CN214305461 U CN 214305461U
- Authority
- CN
- China
- Prior art keywords
- valve
- exhaust
- cavity
- filter screen
- gas storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Check Valves (AREA)
- Details Of Valves (AREA)
Abstract
The utility model belongs to the technical field of discharge valve, a discharge valve for liquid pipeline is disclosed. The main technical characteristics are as follows: including enclosing into the valve body of gas storage chamber and exhaust chamber the gas storage chamber with be provided with the division board between the exhaust chamber be provided with the air vent on the division board the gas storage chamber with be provided with the check valve in the exhaust chamber, the check valve includes valve block and valve rod, the valve block is located exhaust chamber one side, the valve rod inserts in the air vent the exhaust chamber top is provided with exhaust passage the gas storage chamber bottom is provided with first filter screen the exhaust chamber top is provided with the second filter screen. When the hydraulic oil with the air mass reaches the lower part of the first filter screen, the air mass reaches the air storage cavity from the first filter screen, the hydraulic oil is blocked by the first filter screen, the air in the air storage cavity is discharged from the vent hole, the exhaust cavity, the second filter screen and the exhaust pipeline, and the stability of the hydraulic system is good.
Description
Technical Field
The utility model belongs to the technical field of discharge valve, especially, relate to a discharge valve for liquid pipeline.
Background
In the flowing process of hydraulic oil in the hydraulic machine, gas easily enters a pipeline. Air cannot be dissolved into the hydraulic oil, and after the air enters the hydraulic pipeline, the air can be gathered into air masses in the pipeline. Thus, the following failures are caused to occur: firstly, when the hydraulic oil mixed with the gas cluster reaches the hydraulic pump, the hydraulic pump is easily burnt out; secondly, when the hydraulic oil mixed with air mass flows in a hydraulic pipeline, the hydraulic oil is easy to impact the pipeline and generate vibration and noise; thirdly, when the hydraulic oil mixed with air mass reaches the hydraulic cylinder, the hydraulic system is easy to be unstable.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a simple structure, can be with the gas outgoing in the hydraulic pressure pipeline, hydraulic system more stable, effectively reduce hydraulic pressure pipeline's noise, extension hydraulic pump life's discharge valve for the liquid pipeline.
In order to solve the above problem, the utility model discloses technical scheme that discharge valve adopted for the liquid pipeline is: including enclosing into the valve body of cavity, the cavity is including the gas storage chamber that is located the lower extreme and the exhaust chamber that is located this gas storage chamber top the gas storage chamber with be provided with the division board between the exhaust chamber be provided with air vent and valve rod hole on the division board the gas storage chamber with be provided with the check valve in the exhaust chamber, the check valve includes valve block and valve rod, the valve block is located exhaust chamber one side, the valve rod inserts in the valve rod hole exhaust chamber top is provided with exhaust passage the gas storage chamber bottom is provided with first filter screen exhaust chamber top is provided with the second filter screen.
The additional technical characteristics are as follows:
a clamping head is arranged on the valve rod positioned on one side of the gas storage cavity;
the valve plate is in a spherical crown shape;
the upper end of the exhaust cavity is provided with a valve cover, and the exhaust channel is positioned between the valve body outside the air storage cavity and the valve cover;
and a screw sleeve with external threads is arranged on the outer side of the screw sleeve and is close to the lower part of the valve body, and a combined gasket is arranged on the valve body above the external threads.
Compared with the prior art, the utility model provides a discharge valve for liquid pipeline has following advantage: the valve body is enclosed to form a cavity, the cavity comprises a gas storage cavity at the lower end and an exhaust cavity above the gas storage cavity, a partition plate is arranged between the gas storage cavity and the exhaust cavity, an air vent and a valve rod hole are formed in the partition plate, a one-way valve is arranged in the gas storage cavity and the exhaust cavity and comprises a valve plate and a valve rod, the valve plate is located on one side of the exhaust cavity, the valve rod is inserted into the valve rod hole, an exhaust channel is arranged above the exhaust cavity, a first filter screen is arranged at the bottom of the gas storage cavity, a second filter screen is arranged above the exhaust cavity, the first filter screen and the second filter screen are made of copper powder sintered filter screens, liquid can be blocked through gas, the valve body outside the gas storage cavity with the first filter screen at the bottom is sealed and fixed on a hydraulic pipeline, and when no gas exists in the hydraulic pipeline, the hydraulic oil in the pipeline is blocked by the first filter screen and cannot enter the air storage cavity from the lower part of the first filter screen, when the hydraulic oil with air mass reaches the lower part of the first filter screen, the air mass reaches the air storage cavity from the first filter screen under the pressure of the hydraulic oil, the hydraulic oil is blocked by the first filter screen, when the gas in the air storage cavity reaches a certain pressure, the valve plate of the one-way valve is upwards pressed through the vent hole, the one-way valve is made of rubber or silica gel, the gas reaches the exhaust cavity through the vent hole, is exhausted from the edge of the valve plate to the exhaust cavity above the valve plate and is exhausted through the second filter screen and the exhaust pipeline, the pressure in the air storage cavity is reduced along with the exhaust pressure of the gas, the vent hole is blocked by the one-way valve, impurities in the air are blocked by the second filter screen, the impurities in the air are prevented from entering the exhaust cavity, and the air in the hydraulic pipeline can be exhausted at any time, and the gas outside the hydraulic pipeline cannot enter the hydraulic pipeline, no gas exists in the hydraulic pipeline, so that the hydraulic pump cannot be burnt out, the noise of the hydraulic pipeline is reduced, and the stability of a hydraulic system is good; secondly, as the clamping head is arranged on the valve rod positioned on one side of the gas storage cavity, the clamping head and the valve plate are clamped on the upper side and the lower side of the partition plate, and the sealing effect is good; thirdly, the valve plate is in a spherical crown shape, so that the sealing performance is better, and gas is prevented from entering the gas storage cavity from the gas exhaust cavity; fourthly, as the valve cover is arranged at the upper end of the exhaust cavity, and the exhaust channel is positioned between the valve body outside the air storage cavity and the valve cover, dust in the air is further prevented from falling to the outside of the second filter screen to influence the permeability of the second filter screen; fifthly, because be close to the valve body below has the screw rod sleeve pipe of external screw thread for the outside, is provided with the composite pad on the valve body of external screw thread top, is provided with on hydraulic pressure pipeline and has the internal screw thread export, will have the valve body below of first filter screen and pass through threaded sleeve pipe connection on hydraulic pressure pipeline, and the composite pad plays to compress tightly and sealed effect, and it is more convenient to dismantle.
Drawings
FIG. 1 is a schematic structural view of an exhaust valve for a liquid pipeline according to the present invention;
fig. 2 is a schematic view showing the structure of a discharge route of a discharge valve for a liquid pipe.
Detailed Description
The structure and the operation principle of the exhaust valve for liquid pipeline according to the present invention will be described in detail with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1 and 2, the utility model discloses discharge valve for liquid pipeline's structural schematic diagram, the utility model discloses discharge valve for liquid pipeline is including the valve body 1 who encloses into cavity 2, cavity 2 is including the gas storage chamber 3 that is located the lower extreme and the exhaust chamber 4 that is located this gas storage chamber 3 top, be provided with division board 5 between gas storage chamber 3 and exhaust chamber 4, be provided with air vent 6 and valve rod hole 14 on division board 5, be provided with check valve 7 in gas storage chamber 3 and exhaust chamber 4, check valve 7 includes valve block 71 and valve rod 72, valve block 71 is located exhaust chamber 4, valve rod 72 inserts in the valve rod hole 14, be provided with exhaust passage 8 above exhaust chamber 4, be provided with first filter screen 9 bottom gas storage chamber 3, be provided with second filter screen 10 above exhaust chamber 4.
The first filter screen 9 and the second filter screen 10 are made of copper powder sintered filter screens, the valve body outside the gas storage cavity 3 with the first filter screen 9 at the bottom can be fixed on a hydraulic pipeline in a sealing mode through gas but can block liquid, when no gas exists in the hydraulic pipeline, hydraulic oil in the pipeline is blocked by the first filter screen 9 and cannot enter the gas storage cavity 3 from the lower side of the first filter screen 9, when the hydraulic oil with gas clusters reaches the lower side of the first filter screen 9, the gas clusters reach the gas storage cavity 3 from the first filter screen 9 under the pressure of the hydraulic oil, the hydraulic oil is blocked by the first filter screen 9, when the gas in the gas storage cavity 3 reaches a certain pressure, the valve plate 71 of the one-way valve 7 is upwards pressed through the vent hole 6, the one-way valve 7 is made of rubber or silica gel materials, after the gas reaches the gas exhaust cavity 4 through the vent hole 6, the gas is exhausted into the exhaust cavity 4 above the valve plate 71 from the edge of the valve plate 71, the pressure in the gas storage chamber 3 diminishes along with gaseous discharge pressure, check valve 7 blocks up air vent 6, impurity in the air is blockked by second filter screen 10, impurity such as dust in the air has been avoided getting into the air discharge chamber 4, and like this, the air pocket in the hydraulic pressure pipeline can discharge at any time, and the outside gas of hydraulic pressure pipeline can not get into hydraulic pressure pipeline, there is not gaseous existence in the hydraulic pressure pipeline, can not cause the hydraulic pump to burn out, the noise of hydraulic pressure pipeline reduces, hydraulic system's stability can be good.
The valve rod 72 positioned at one side of the air storage cavity 3 is provided with the clamping head 73, the clamping head 73 and the valve plate 71 are clamped at the upper side and the lower side of the partition plate 5, the sealing effect is good, the clamping head 73 is spherical, the diameter of the clamping head 73 is larger than that of the valve rod hole 14, the check valve 7 is made of rubber or silica gel materials, when the valve rod 72 is inserted into the valve rod hole 14, the top end of the valve rod 72 is forcibly extruded, and the clamping head 73 is deformed and pressed and then is inserted into the valve rod hole 14.
The valve plate 71 is in a spherical crown shape, so that the sealing performance is better, and gas is prevented from entering the gas storage cavity from the gas exhaust cavity.
The valve cover 11 is arranged at the upper end of the exhaust cavity 4, the exhaust channel 8 is positioned between the valve body 1 and the valve cover 11 outside the air storage cavity 4, and the influence of dust in the air on the outside of the second filter screen on the permeability of the second filter screen is further avoided.
Be close to valve body 1 below for the outside have the screw rod sleeve pipe 12 of external screw thread, be provided with the composite pad 13 on the valve body 1 of external screw thread top, be provided with on the hydraulic pressure pipeline and have the internal screw thread export, will have the valve body below of first filter screen and pass through threaded sleeve pipe connection on the hydraulic pressure pipeline, the composite pad plays to compress tightly and sealed effect, and it is more convenient to dismantle.
The utility model discloses a protection scope not only limits in above-mentioned embodiment, as long as the structure with the utility model discloses discharge valve structure is the same or similar for the liquid pipeline, just falls the utility model discloses the scope of protection.
Claims (5)
1. Discharge valve for liquid pipeline, including the valve body that encloses into the cavity, its characterized in that: the cavity comprises a gas storage cavity and an exhaust cavity, wherein the gas storage cavity is located at the lower end of the cavity, the exhaust cavity is located above the gas storage cavity, a partition plate is arranged between the gas storage cavity and the exhaust cavity, an air vent and a valve rod hole are formed in the partition plate, a check valve is arranged in the gas storage cavity and the exhaust cavity and comprises a valve block and a valve rod, the valve block is located on one side of the exhaust cavity, the valve rod is inserted into the valve rod hole, an exhaust channel is arranged above the exhaust cavity, a first filter screen is arranged at the bottom of the gas storage cavity, and a second filter screen is arranged above the exhaust cavity.
2. The exhaust valve for liquid pipe according to claim 1, wherein: a clamping head is arranged on the valve rod positioned on one side of the gas storage cavity.
3. The exhaust valve for liquid pipe according to claim 1, wherein: the valve plate is in a spherical crown shape.
4. The exhaust valve for liquid pipe according to claim 1, wherein: the upper end of the exhaust cavity is provided with a valve cover, and the exhaust channel is positioned between the valve body outside the air storage cavity and the valve cover.
5. The exhaust valve for liquid pipe according to claim 1, wherein: and a screw sleeve with external threads is arranged on the outer side of the screw sleeve and is close to the lower part of the valve body, and a combined gasket is arranged on the valve body above the external threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120464570.1U CN214305461U (en) | 2021-03-04 | 2021-03-04 | Exhaust valve for liquid pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120464570.1U CN214305461U (en) | 2021-03-04 | 2021-03-04 | Exhaust valve for liquid pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214305461U true CN214305461U (en) | 2021-09-28 |
Family
ID=77835708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120464570.1U Active CN214305461U (en) | 2021-03-04 | 2021-03-04 | Exhaust valve for liquid pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214305461U (en) |
-
2021
- 2021-03-04 CN CN202120464570.1U patent/CN214305461U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205978248U (en) | Hydraulic damping bumper shock absorber | |
| CN214305461U (en) | Exhaust valve for liquid pipeline | |
| CN214092224U (en) | Improved air inlet structure of air compressor | |
| CN215233166U (en) | Integrated adsorber and oxygenerator | |
| CN204493133U (en) | A kind of new type compressor valve group | |
| CN210769097U (en) | Diesel filter assembly with electric fuel pump | |
| CN203892196U (en) | Separation oil tank of compressor | |
| CN211950792U (en) | Air inlet noise reduction structure for oil-free tank car air compressor | |
| CN205779727U (en) | Screw air compressor L-type gas and oil separating plant | |
| CN210977881U (en) | Compressor and refrigerating system | |
| CN209990564U (en) | Oil-gas separator | |
| CN209370052U (en) | A kind of exhausting and denoising device and compressor | |
| CN214741771U (en) | Exhaust joint | |
| CN208718922U (en) | A kind of double-screw compressor Ventilated cap | |
| CN208416873U (en) | A kind of back-shaped tube assembly and the compressor using the back-shaped tube assembly | |
| CN205677797U (en) | Cylinder noise-reducing structure | |
| CN216077587U (en) | Rotary vane compressor noise reduction air passage structure | |
| CN202545252U (en) | Pump body structure for double-stage rotary compressor | |
| CN106079995A (en) | A kind of coolant segregation apparatus under vacuum processing environment | |
| CN219691724U (en) | Air compressor machine filtration that gives vent to anger | |
| CN219101594U (en) | Safety maintenance device of compressor | |
| CN210769229U (en) | High-pressure filtering element for valve of petroleum gas compressor | |
| CN218467776U (en) | Noise reduction structure for air compressor | |
| CN212407160U (en) | Threaded cartridge type exhaust buffer valve | |
| CN212250678U (en) | Cylinder block casting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |