CN220168739U - Vacuum pump gas ballast valve - Google Patents
Vacuum pump gas ballast valve Download PDFInfo
- Publication number
- CN220168739U CN220168739U CN202321687689.0U CN202321687689U CN220168739U CN 220168739 U CN220168739 U CN 220168739U CN 202321687689 U CN202321687689 U CN 202321687689U CN 220168739 U CN220168739 U CN 220168739U
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- China
- Prior art keywords
- valve
- ballast valve
- gas ballast
- upper side
- gas
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- 230000030279 gene silencing Effects 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 13
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000010030 laminating Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Abstract
The utility model relates to a vacuum pump gas ballast valve, which comprises a gas ballast valve body, wherein an air inlet is formed in the middle of the upper side of the gas ballast valve body, a filter core is fixedly connected to the upper side of the gas ballast valve body, a filter plate is fixedly connected to the inside of the upper side of the filter core, a cover end is clamped in the inside of the upper side of the filter core, two baffles are fixedly connected to the inner side of the gas ballast valve body, an air outlet is formed in the inner side of each baffle, a valve head is attached between the two baffles, two first springs are fixedly connected to the lower side of the valve head, a silencing pipe is attached to the upper side of the valve head, and an exhaust assembly is sleeved on the inner wall of the lower side of the gas ballast valve body; the exhaust assembly comprises a valve core, and a second sealing ring is fixedly connected to the outer side of the valve core, which is close to the gas ballast valve body. According to the vacuum pump gas ballast valve, the air enters from the filter core and passes through the filter plate to realize the separation of particles mixed in the air by filtering, so that the condition that the particles enter into a pipeline to cause blockage is avoided.
Description
Technical Field
The utility model relates to the technical field of gas ballasting valves, in particular to a vacuum pump gas ballasting valve.
Background
The gas pumped by the vacuum pump is typically a mixture of a permanent gas and a condensable gas, which condenses and mixes in the pump oil as the pump oil circulates and returns to the pump chamber for re-evaporation when the partial pressure of the condensable gas exceeds the saturated vapor pressure of the gas at the pump temperature during compression and venting. In daily work, the most common condensable gas is water vapor, after the water vapor is pumped into a vacuum pump compression cavity to be compressed, part of the water vapor is condensed into liquid and mixed into pump oil, so that the pump oil is deteriorated, the vacuum pump is rusted, and the performance of the vacuum pump is reduced due to the evaporation of the water vapor in the pump cavity. The gas ballast valve is provided with a rotary vane vacuum pump for pumping out the condensable gas and can effectively prevent the condensable gas from condensing, and the principle is that a certain amount of dry air is put in the process of air suction to improve the pressure of mixed gas, the pressure of the mixed gas is the sum of the partial pressure of air and the partial pressure of the condensable gas, and when the partial pressure of the condensable gas does not reach the saturated steam pressure at the pump temperature, the pressure of the mixed gas exceeds the threshold of the exhaust pressure of the exhaust valve, so that the exhaust valve is opened, and the steam is discharged out of the pump before liquefaction.
Through searching, the Chinese patent CN2194422Y in the prior art discloses a mechanical vacuum pump gas ballast valve which comprises a gas ballast cap, an upper valve head, a valve seat, a lower valve head, a steel ball spring and other parts. The utility model relates to a gas ballast cap which is in the shape of a screw sleeve, the inner hole at the lower end is provided with threads, the upper valve head is in threaded connection, the upper part of the gas ballast cap is provided with a groove, a baffle ring for a mounting hole is used for fixedly mounting the gas ballast cap bottom in an inner cavity, and a sealing gasket is arranged on the lower plane of the gas ballast cap bottom. The ball body is provided with the sealing ring, the gas ballast cap is made of metal materials, the bottom of the gas ballast cap is fixed through the hole retainer ring, and the sealing gasket is arranged on the lower plane of the bottom of the gas ballast cap, so that the gas ballast valve is convenient to assemble, disassemble and adjust, the sealing performance and the working reliability of the valve are improved, and the working performance of the vacuum pump is improved.
However, a large amount of gas enters the valve plate of the gas ballast valve in operation, and as a large amount of particles exist in the air, after the gas ballast valve works for a long time, a part of the particles in the air are adhered in the pipeline of the gas ballast valve, so that the gas inlet pipeline of the gas ballast valve is blocked, the gas ballast valve needs to be replaced, and the particles in the valve are cleaned, so that the use requirement cannot be met, and the gas ballast valve of the vacuum pump is provided to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the vacuum pump ballast valve which has the advantages of automatically filtering the entering air to avoid blocking and the like, and solves the problems that a valve plate of the ballast valve can be filled with a large amount of air in operation, and after the ballast valve works for a long time due to a large amount of particles in the air, the particles in the air can be partially adhered to a pipeline of the ballast valve to cause blocking of an air inlet pipeline of the ballast valve, and the ballast valve needs to be replaced and the particles in the valve need to be cleaned.
In order to achieve the purpose of automatically filtering the entering air and avoiding blocking, the utility model provides the following technical scheme: the utility model provides a vacuum pump gas ballast valve, includes the gas ballast valve body, the inlet port has been seted up at the middle part of gas ballast valve body upside, gas ballast valve body upside fixedly connected with filter core, the inside fixedly connected with filter of filter core upside, the inside joint of filter core upside has the lid, two baffles of gas ballast valve body inboard fixedly connected with, the gas vent has been seted up to the baffle inboard, two laminating has the valve head between the baffle, two first springs of valve head downside fixedly connected with, the laminating of valve head upside has the muffler, exhaust assembly has been cup jointed to the inner wall of gas ballast valve body downside.
The exhaust assembly comprises a valve core, a second sealing ring is fixedly connected to the outer side of the valve core, which is close to the gas ballast valve body, an air inlet channel is formed in the middle of the upper side of the valve core, one end, which is close to the air inlet channel, of the valve core is attached to a ball body, and a second spring is sleeved on the outer side of the ball body.
Further, the outer side of the cover end is sleeved with a first sealing ring, and the air inlet hole is formed in the lower side of the filter core.
Further, the upper side of the silencing pipe is attached to the inner top wall of the gas ballast valve body, and the air inlet hole and the silencing pipe are in an up-down communication structure.
Further, the inner wall of the silencing pipe is adhered with a silencing layer, and the silencing layer is made of soundproof cotton.
Further, the valve head is movably connected between the two baffles in an up-down straight line, and the exhaust port is in an arc-shaped structure.
Further, two buffer pads are fixedly connected to the upper side of the valve core, and the two buffer pads are respectively fixed to the left end and the right end of the lower side of the air inlet channel.
Further, the buffer pad also adopts an arc-shaped structure, and the lower side of the buffer pad is attached to the upper side surface of the sphere.
Compared with the prior art, the utility model provides the vacuum pump gas ballast valve, which has the following beneficial effects:
1. according to the vacuum pump gas ballast valve, the air enters from the filter core and passes through the filter plate to realize the separation of particles mixed in the air by filtering, so that the condition that the particles enter into a pipeline to cause blockage is avoided.
2. This vacuum pump gas ballast valve, through the gas through the muffler pipe when getting into the gas ballast valve body inside, the effectual noise that reduces the production of muffler pipe cooperation amortization layer has solved the valve block of gas ballast valve and has had a large amount of gas entering at work, because there is a large amount of particulate matters in the air, the particulate matter in the air has a part to adhere to in the pipeline of gas ballast valve after the gas ballast valve long-time work, leads to the air inlet line of gas ballast valve to cause the jam, need take a breath the problem of gas ballast valve and clear up the granule in the valve more.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present utility model;
FIG. 2 is a front view of the structure of the present utility model;
fig. 3 is a structural perspective view of a second spring of the present utility model.
In the figure: the valve comprises a gas ballast valve body, a valve core 2, a filter core 3, a cover end 4, a first sealing ring 5, a filter plate 6, an air inlet 7, a silencing pipe 8, a silencing layer 9, a valve head 10, a first spring 11, a baffle 12, an air outlet 13, an air inlet 14, a buffer cushion 15, a second sealing ring 16, a ball 17 and a second spring 18.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a vacuum pump ballast valve comprises a ballast valve body 1, an air inlet hole 7 is formed in the middle of the upper side of the ballast valve body 1, a filter core 3 is fixedly connected to the upper side of the ballast valve body 1, a filter plate 6 is fixedly connected to the inner part of the upper side of the filter core 3, a cover end 4 is clamped to the inner part of the upper side of the filter core 3, two baffles 12 are fixedly connected to the inner side of the ballast valve body 1, an air outlet 13 is formed in the inner side of the baffles 12, a valve head 10 is attached between the two baffles 12, two first springs 11 are fixedly connected to the lower side of the valve head 10, a silencing pipe 8 is attached to the upper side of the valve head 10, an exhaust assembly is sleeved on the inner wall of the lower side of the ballast valve body 1, the exhaust assembly comprises a valve core 2, a second sealing ring 16 is fixedly connected to the outer side of the valve core 2, an air inlet channel 14 is formed in the middle of the upper side of the valve core 2, a ball 17 is attached to one end of the valve core 2, and a second spring 18 is sleeved on the outer side of the ball 17.
Wherein, lid 4 outside has cup jointed first sealing washer 5, inlet port 7 has been seted up at filter core 3 downside, the laminating of muffler pipe 8 upside is at the interior roof of gas ballast valve body 1, and inlet port 7 and muffler pipe 8 are upper and lower intercommunication structure, muffler pipe 8 inner wall bonds has noise damping layer 9, valve head 10 forms straight line swing joint from top to bottom between two baffles 12, gas vent 13 is the arc structure, two blotters 15 of case 2 upside fixedly connected with, two blotters 15 are fixed respectively at the left and right sides both ends of intake duct 14 downside, the blotter 15 adopts the arc structure equally, and blotter 15 downside and sphere 17 upside surface laminating, the gas vent has been seted up at the middle part of case 2 downside.
It should be noted that, noise reduction layer 9 is the noise that insulating gas that soundproof cotton can be fine produced when the transmission, and first sealing washer 5 and second sealing washer 16 all adopt the rubber circle pad preparation to first sealing washer 5 rubber circle pad is that the back taper structure is better laminating mutually with filter core 3 upside inner wall, and second spring 18 downside surface laminating is at case 2 inner bottom wall.
When the valve is used, the upper side of the valve core 2 and the valve body 1 are fixedly sealed through the second sealing ring 16, the cover end 4 is pulled out from the upper side of the filter core 3 during operation, gas is directly discharged into the valve body 1 from the inside of the filter core 3, the filter plate 6 filters the gas to directly filter mixed particles to the upper side of the filter plate 6 to avoid adhering to the inner wall of a pipeline, then the gas continues downwards and passes through the silencing pipe 8, the silencing layer 9 on the inner side of the silencing pipe 8 can effectively reduce generated noise to achieve the noise reduction effect, then the gas pushes the valve head 10 to the upper side, the gas generating force pushes the valve head 10 downwards and compresses through the first spring 11 to change the position of the valve head 10, at the moment, the gas at the upper side of the exhaust port 13 flows through the exhaust port 13 to the lower side directly and enters the valve core 2 through the air inlet channel 14, the ball 17 continuously generates thrust on the surface of the ball 17 on the inner side of the valve core 2, the gas is directly discharged from the exhaust hole formed on the lower side of the valve core 2 after being compressed through the second spring 18, and the ball 17 continuously adheres to the inner bottom wall of the valve core 2 through the second spring 18, and the 15 simultaneously plays a role of buffering the ball 17 strongly and prevents the ball 17 from being damaged.
The beneficial effects of the embodiment are as follows:
the vacuum pump gas ballast valve realizes the separation of particles mixed in air by the gas entering from the filter core 3 and passing through the filter plate 6, thereby avoiding the blocking condition caused by the particles entering into the pipeline.
This vacuum pump gas ballast valve, through the pipe 8 that passes through when gaseous entering gas ballast valve body 1 is inside, the noise that the effectual reduction of pipe 8 cooperation amortization layer 9 produced has solved the valve block of gas ballast valve and has had a large amount of gaseous entering at work, because there is a large amount of particulate matters in the air, after the gas ballast valve works for a long time, particulate matters in the air have some attached to in the pipeline of gas ballast valve, lead to the air inlet line of gas ballast valve to cause the jam, need take a breath the problem of ballast valve and clearing up the granule in the valve more.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a vacuum pump gas ballast valve, includes gas ballast valve body (1), its characterized in that: an air inlet hole (7) is formed in the middle of the upper side of the gas ballast valve body (1), a filter core (3) is fixedly connected to the upper side of the gas ballast valve body (1), a filter plate (6) is fixedly connected to the inside of the upper side of the filter core (3), a cover end (4) is clamped in the inside of the upper side of the filter core (3), two baffles (12) are fixedly connected to the inner side of the gas ballast valve body (1), an air outlet (13) is formed in the inner side of each baffle (12), a valve head (10) is attached between the two baffles (12), two first springs (11) are fixedly connected to the lower side of the valve head (10), a silencing pipe (8) is attached to the upper side of the valve head (10), and an exhaust assembly is sleeved on the inner wall of the lower side of the gas ballast valve body (1);
the exhaust assembly comprises a valve core (2), a second sealing ring (16) is fixedly connected to the outer side of the valve core (2) close to the gas ballast valve body (1), an air inlet channel (14) is formed in the middle of the upper side of the valve core (2), a ball body (17) is attached to one end, close to the air inlet channel (14), of the valve core (2), and a second spring (18) is sleeved on the outer side of the ball body (17).
2. A vacuum pump ballast valve according to claim 1, wherein: the outer side of the cover end (4) is sleeved with a first sealing ring (5), and the air inlet hole (7) is formed in the lower side of the filter core (3).
3. A vacuum pump ballast valve according to claim 2, wherein: the upper side of the silencing pipe (8) is attached to the inner top wall of the gas ballast valve body (1), and the air inlet hole (7) and the silencing pipe (8) are in an up-down communication structure.
4. A vacuum pump ballast valve according to claim 3, wherein: the inner wall of the silencing pipe (8) is adhered with a silencing layer (9), and the silencing layer (9) is made of soundproof cotton.
5. A vacuum pump ballast valve according to claim 1, wherein: the valve head (10) is movably connected between the two baffles (12) in an up-down straight line, and the exhaust port (13) is of an arc-shaped structure.
6. A vacuum pump ballast valve according to claim 1, wherein: two buffer pads (15) are fixedly connected to the upper side of the valve core (2), and the two buffer pads (15) are respectively fixed at the left end and the right end of the lower side of the air inlet channel (14).
7. The vacuum pump ballast valve of claim 6, wherein: the cushion pad (15) is also of an arc-shaped structure, and the lower side of the cushion pad (15) is attached to the upper side surface of the sphere (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321687689.0U CN220168739U (en) | 2023-06-30 | 2023-06-30 | Vacuum pump gas ballast valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321687689.0U CN220168739U (en) | 2023-06-30 | 2023-06-30 | Vacuum pump gas ballast valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220168739U true CN220168739U (en) | 2023-12-12 |
Family
ID=89057026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321687689.0U Active CN220168739U (en) | 2023-06-30 | 2023-06-30 | Vacuum pump gas ballast valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220168739U (en) |
-
2023
- 2023-06-30 CN CN202321687689.0U patent/CN220168739U/en active Active
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| GR01 | Patent grant |