CN202250769U - Vacuum system protection device and vacuum glass vacuumizing system - Google Patents
Vacuum system protection device and vacuum glass vacuumizing system Download PDFInfo
- Publication number
- CN202250769U CN202250769U CN2011203366261U CN201120336626U CN202250769U CN 202250769 U CN202250769 U CN 202250769U CN 2011203366261 U CN2011203366261 U CN 2011203366261U CN 201120336626 U CN201120336626 U CN 201120336626U CN 202250769 U CN202250769 U CN 202250769U
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- vacuum
- chamber
- spool
- plugging structure
- bleeding point
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Abstract
The utility model discloses a vacuum system protection device and a vacuum glass vacuumizing system. The protection device comprises two cavities and a plugging structure, wherein the two cavities are communicated through an air exhaust opening; and the plugging structure is positioned at a preset position which is at a certain difference from the air exhaust opening. By the vacuum system protection device, a vacuum system protection method and the vacuum glass vacuumizing system, the plugging structure is driven to work based on a differential pressure principle, the plugging structure is controlled to rapidly plug an air exhaust channel, lots of air is prevented from swarming into a vacuum pump, so that the vacuum pump is not damaged, and working safety of the vacuum pump is effectively protected.
Description
Technical field
The protective gear that the utility model relates to vacuum system reaches the rapid response valve that the pumped vacuum systems of vacuum glass is had protective function.
Background technique
Vacuumize in the vacuum system and all adopt vacuum pump, vacuum pump can be divided into two types basically according to working principle, i.e. gas transmission pump and gas capture pump.The gas transmission pump is that a kind of gas that can make constantly sucks and discharge, so as to reaching the vacuum pump of the purpose of bleeding, for example molecular pump, diffusion pump etc.; The gas trapping pump is a kind ofly gas molecule is adsorbed or condenses on the internal surface of pump; Thereby reduced the gas molecule number in the container and reached the vacuum pump of the purpose of bleeding; Generally all be provided with the sorbent that is used for adsorption gas molecule, for example adsorption pump, getter pump etc. in this pump.
The work of vacuum pump normal and stable needs to guarantee that vacuumizing the space remains under the closed environment, in case evacuated gas leakage in pumping process; Because the relation of inside and outside differential pressure, a large amount of air can pour in vacuum pump fast, for the gas transmission pump; Receive powerful gas shock; May influence the wherein proper functioning of member, the serious vacuum pump that may cause damages, and it is low and problem such as can't vacuumize to cause vacuumizing efficient.For the gas trapping pump, the air molecule that pours in can be adsorbed on the sorbent of gas trapping pump, causes the quick inefficacy of sorbent, and it is low and problem such as can't vacuumize to cause vacuumizing efficient equally.
In order to prevent above problem, in vacuum, need special duty personnel and monitor, in case find evacuated gas leakage or vacuum pump operation irregularity, needing the people is the positive closing vacuum pump.Gas leakage generally is not easy to discover if evacuated takes place among a small circle, in case the duty personnel does not find gas leakage and make vacuum pump under the gas leakage state, work for a long time, can have a strong impact on the working life that vacuumizes efficient and vacuum pump; If gas leakage on a large scale takes place evacuated,, can cause the damage of vacuum pump in case the duty personnel reacts not as good as failing to close vacuum pump.
The model utility content
To the problem that existing technology exists, one of purpose of the utility model is to provide a kind of staff on duty that need not, in case the vacuum system protective gear that gas leakage can be protected vacuum pump fast takes place.Another purpose of the utility model is to provide a kind of rapid response valve that is used to protect the vacuum pump of vacuum glass.
For realizing above-mentioned purpose, the vacuum system protective gear of the utility model comprises housing; Be provided with first chamber and second chamber in the housing; First chamber links to each other with evacuated, and second chamber links to each other with the inlet opening of vacuum pump, is communicated with through bleeding point between first and second chambers; Said bleeding point place is provided with movable plugging structure; Normally vacuumize under the state, plugging structure is in the predeterminated position separated by a distance with bleeding point, and the air in the evacuated can be evacuated to vacuum pump through bleeding point; When evacuated is leaked gas, said plugging structure can fast moving under gas pressure, moves to block-up position with the shutoff bleeding point from predeterminated position, stops atmosphere to pour in vacuum pump.
Further, also be provided with the bypass channel that is used for slightly vacuumizing on said first chamber and second chamber, be provided with the valve that control channel is communicated with or breaks off in this passage.
Further, separate through dividing plate between said first chamber and second chamber, said bleeding point is arranged on the dividing plate, and the size of bleeding point and shape and said plugging structure match.
Further, said first chamber and second chamber are vertically arranged, and said plugging structure is in first chamber, normally vacuumize plugging structure under the state and make it remain on said predeterminated position through the spring that is provided with on it.
Further, said plugging structure is provided with at least one spring, and spring is arranged on the end face or the bottom surface of plugging structure and plugging structure is hung or is supported on predeterminated position.
Further; A spring is set on the said plugging structure; Be provided with guiding device in the said housing, this guiding device can be to run through the directional post of plugging structure or for being arranged on pulley on the plugging structure with the assembly of the slide rail that vertically is provided with or for being arranged on the slide block and the chute that vertically is provided with on the plugging structure.
Further, said plugging structure is provided with four springs, and four springs are arranged on the Si Jiaochu of plugging structure.
Further, said vacuum system protective gear is a valve arrangement, and said housing is a valve body, and said plugging structure is a spool.
Further, said spool is the shutoff plug.
Further, the said housing use of can falling.
The vacuum glass pumped vacuum systems of the utility model comprises vacuum chamber, rapid response valve and vacuum pump, and said vacuum chamber, rapid response valve are connected with vacuum pump successively; The rapid response valve comprises valve body and spool, and valve body has first chamber and second chamber, and first chamber links to each other with vacuum chamber; Second chamber links to each other with the inlet opening of vacuum pump; Be communicated with through bleeding point between first and second chambers, spool is arranged on the bleeding point place, normally vacuumizes under the state; Spool is in the predeterminated position separated by a distance with bleeding point, and the air in the evacuated can be evacuated to vacuum pump through bleeding point; When evacuated is leaked gas, spool can fast moving under gas pressure, moves to block-up position with the shutoff bleeding point from predeterminated position, stops atmosphere to pour in vacuum pump.
Further, also be provided with the bypass channel that is used for slightly vacuumizing on said first chamber and second chamber, be provided with the valve that control channel is communicated with or breaks off in this passage.
Further, separate through dividing plate between said first chamber and second chamber, said bleeding point is arranged on the dividing plate, and the size of bleeding point and shape and said spool match.
Further, said first chamber and second chamber are vertically arranged, and said spool is in first chamber, normally vacuumize the state lower valve core and make it remain on said predeterminated position through the spring that is provided with on it.
Further, said spool is provided with at least one spring, and spring is arranged on the end face or the bottom surface of spool and spool is hung or is supported on predeterminated position.
Further; A spring is set on the said spool; Be provided with guiding device in the said valve body, this guiding device can be to run through the directional post of spool or for being arranged on pulley on the spool with the assembly of the slide rail that vertically is provided with or for being arranged on the slide block and the chute that vertically is provided with on the spool.
Further, said spool is provided with four springs, and it is separately positioned on the Si Jiaochu of spool.
Further, said spool is the shutoff plug.
Further, the said valve body use of can falling.
The vacuum system protective gear of the utility model turn-offs through pressure reduction control evacuation passageway; In case vacuumizing the space leaks gas; Between two chambers of protective gear, can produce pressure difference; Thereby the sealing of the plugging structure in can fast driving protective gear evacuation passageway can prevent effectively that atmosphere from pouring in vacuum pump, and vacuum pump can be effectively protected.
Description of drawings
Fig. 1 is the schematic representation of embodiment 1 pumped vacuum systems;
Fig. 2 is the schematic representation of embodiment 2 pumped vacuum systems;
Fig. 3 is the schematic representation of embodiment 3 pumped vacuum systems;
Fig. 4 is the schematic representation of embodiment 4 pumped vacuum systems;
Fig. 5 is the schematic representation of embodiment 5 pumped vacuum systems.
Embodiment
Embodiment 1:
As shown in Figure 1, the pumped vacuum systems of the utility model comprises vacuum chamber 1, rapid response valve 2 and vacuum pump 5; Vacuum chamber 1, rapid response valve 2 and vacuum pump 5 are communicated with through pipeline successively; Rapid response valve 2 has first chamber 21 and second chamber, 22, the first chambers 21 vertically arranged and links to each other with vacuum chamber 1, and second chamber 22 links to each other with the inlet opening of vacuum pump 5; Separate through dividing plate 23 between first chamber 21 and second chamber 22; Have the bleeding point 231 that is communicated with first chamber 21 and second chamber 22 on the dividing plate 23, shutoff plug 3 is supported in first chamber 21 through spring 4, normally vacuumizes under the state; Shutoff plug 3 is in the predeterminated position separated by a distance with bleeding point 231, and the air in the evacuated 1 can be evacuated to vacuum pump 5 through bleeding point 231; If evacuated 1 is leaked gas, shutoff plug 3 can move up fast under gas pressure and block bleeding point 231, stops atmosphere to pour in vacuum pump 5.Wherein, be provided with position and the size of bleeding point 231 are that mounting point with shutoff plug 3 is complementary with size, and the width of the last sealing surface of shutoff plug 3 is more bigger than the width of bleeding point.
Embodiment 2:
As shown in Figure 2; Another kind of form for the pumped vacuum systems of the utility model; Wherein be provided with a bypass channel that is used to vacuumize 6 between first and second chambers in the rapid response valve again, and be provided with the valve 61 that can control channel is communicated with or breaks off therein.In vacuumizing the incipient stage pumped vacuum systems, can't form very big pressure reduction; Even vacuum chamber gas leakage takes place; Air can not pour in to vacuum pump yet, and in order to improve the efficient of pumped vacuum systems, the valve 61 in vacuumizing incipient stage control bypass channel 6 is opened; Air in the vacuum chamber can be evacuated to vacuum pump from bypass channel 6 and bleeding point respectively, compares with embodiment 1 and can improve the efficient that vacuumizes.Through after slightly vacuumizing, control valve 61 is closed, and what can guarantee this moment to vacuumize normally carries out, and can guarantee that again the shutoff plug can block bleed-off passage if gas leakage takes place vacuum chamber, stops atmosphere to pour in vacuum pump, and vacuum pump is effectively protected.The bypass channel 6 that is used to bleed except increase in the present embodiment, also installed many springs beyond the Great Wall additional in shutoff, the shutoff plug moves on can stablizing when making vacuum chamber that gas leakage take place, and guarantees that the shutoff plug can block bleeding point.
Embodiment 3:
As shown in Figure 3; Different with the foregoing description is that the shutoff plug can also be hung in first chamber; In order further to improve the stability that shutoff moves beyond the Great Wall; In the rapid response valve, also be provided with directional post 7, it vertically is fixed in first chamber, and the shutoff plug sleeve is contained on the directional post 7 and can slides along directional post.
Embodiment 4:
As shown in Figure 4, be the another kind of form of guiding device in the rapid response valve, it comprises slide rail 71 and pulley 72, and slide rail 71 vertically is fixed in first chamber, and pulley 72 is installed in shutoff and be erected on the slide rail beyond the Great Wall, and the shutoff plug can be moved along slide rail.
Embodiment 5:
As shown in Figure 5, guiding device can also be the conduit 73 and the collar 74, and conduit 73 vertically is fixed in first chamber, and the collar 74 is installed in shutoff and be sleeved on the conduit 73 beyond the Great Wall, and the shutoff plug can be moved along conduit 73.
The shape of shutoff plug is not limited in the foregoing description, wherein the shutoff plug can be designed as trapezoidally, and the shutoff plug can be blocked bleeding point tightlyer.The pumped vacuum systems of the utility model is applied in the vacuum glass encapsulation, breaks and also can protect vacuum pump effectively even occur vacuum glass in the pumping process, can also guarantee the vacuum glass encapsulation safe, carry out fast.When vacuumizing space generation gas leakage; The vacuum system protective gear of the utility model, method and vacuum glass pumped vacuum systems drive the action of shutoff plug based on the pressure reduction principle; Control shutoff plug is blocked bleed-off passage; Prevent that a large amount of air from pouring in vacuum pump, cause the vacuum pump damage, effectively protect the work safety of vacuum pump.
It is to be noted that the foregoing description is exemplary the utility model is explained; Spirit any distortion of making according to the utility model; Change like the fell routine of use, guiding device of change, the shape of shutoff plug, rapid response valve to number of springs, all should not think the protection domain that breaks away from the utility model.
Claims (17)
1. the vacuum system protective gear is characterized in that, comprises housing; Be provided with first chamber and second chamber in the housing, first chamber links to each other with evacuated, and second chamber links to each other with the inlet opening of vacuum pump; Be communicated with through bleeding point between first and second chambers, said bleeding point place is provided with movable plugging structure, normally vacuumizes under the state; Plugging structure is in the predeterminated position separated by a distance with bleeding point, and the air in the evacuated can be evacuated to vacuum pump through bleeding point; When evacuated is leaked gas, said plugging structure can fast moving under gas pressure, moves to block-up position with the shutoff bleeding point from predeterminated position, stops atmosphere to pour in vacuum pump.
2. vacuum system protective gear as claimed in claim 1 is characterized in that, also is provided with the bypass channel that is used for slightly vacuumizing on said first chamber and second chamber, is provided with the valve that control channel is communicated with or breaks off in this passage.
3. vacuum system protective gear as claimed in claim 1 is characterized in that, separates through dividing plate between said first chamber and second chamber, and said bleeding point is arranged on the dividing plate, and the size of bleeding point and shape and said plugging structure match.
4. vacuum system protective gear as claimed in claim 1; It is characterized in that; Said first chamber and second chamber are vertically arranged, and said plugging structure is in first chamber, normally vacuumize plugging structure under the state and make it remain on said predeterminated position through the spring that is provided with on it.
5. vacuum system protective gear as claimed in claim 4 is characterized in that said plugging structure is provided with at least one spring, and spring is arranged on the end face or the bottom surface of plugging structure and plugging structure is hung or is supported on predeterminated position.
6. vacuum system protective gear as claimed in claim 5; It is characterized in that; A spring is set on the said plugging structure; Be provided with guiding device in the said housing, this guiding device can be to run through the directional post of plugging structure or for being arranged on pulley on the plugging structure with the assembly of the slide rail that vertically is provided with or for being arranged on the slide block and the chute that vertically is provided with on the plugging structure.
7. vacuum system protective gear as claimed in claim 5 is characterized in that, said plugging structure is provided with four springs, and four springs are arranged on the Si Jiaochu of plugging structure.
8. vacuum system protective gear as claimed in claim 1 is characterized in that, said vacuum system protective gear is a valve arrangement, and said housing is a valve body, and said plugging structure is a spool.
9. like each described vacuum system protective gear of claim 4-7, it is characterized in that the use of can falling of said housing.
10. the vacuum glass pumped vacuum systems is characterized in that, comprises vacuum chamber, rapid response valve and vacuum pump; Said vacuum chamber, rapid response valve are connected with vacuum pump successively, and the rapid response valve comprises valve body and spool, and valve body has first chamber and second chamber; First chamber links to each other with vacuum chamber, and second chamber links to each other with the inlet opening of vacuum pump, is communicated with through bleeding point between first and second chambers; Spool is arranged on the bleeding point place; Normally vacuumize under the state, spool is in the predeterminated position separated by a distance with bleeding point, and the air in the evacuated can be evacuated to vacuum pump through bleeding point; When evacuated is leaked gas, spool can fast moving under gas pressure, moves to block-up position with the shutoff bleeding point from predeterminated position, stops atmosphere to pour in vacuum pump.
11. vacuum glass pumped vacuum systems as claimed in claim 10 is characterized in that, also is provided with the bypass channel that is used for slightly vacuumizing on said first chamber and second chamber, is provided with the valve that control channel is communicated with or breaks off in this passage.
12. vacuum glass pumped vacuum systems as claimed in claim 10 is characterized in that, separates through dividing plate between said first chamber and second chamber, said bleeding point is arranged on the dividing plate, and the size of bleeding point and shape and said spool match.
13. vacuum glass pumped vacuum systems as claimed in claim 10; It is characterized in that; Said first chamber and second chamber are vertically arranged, and said spool is in first chamber, normally vacuumize the state lower valve core and make it remain on said predeterminated position through the spring that is provided with on it.
14. vacuum glass pumped vacuum systems as claimed in claim 13 is characterized in that said spool is provided with at least one spring, spring is arranged on the end face or the bottom surface of spool and spool is hung or is supported on predeterminated position.
15. vacuum glass pumped vacuum systems as claimed in claim 14; It is characterized in that; A spring is set on the said spool; Be provided with guiding device in the said valve body, this guiding device can be to run through the directional post of spool or for being arranged on pulley on the spool with the assembly of the slide rail that vertically is provided with or for being arranged on the slide block and the chute that vertically is provided with on the spool.
16. vacuum glass pumped vacuum systems as claimed in claim 14 is characterized in that, said spool is provided with four springs, and it is separately positioned on the Si Jiaochu of spool.
17., it is characterized in that the use of can falling of said valve body like each described vacuum glass pumped vacuum systems of claim 13-16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203366261U CN202250769U (en) | 2011-09-08 | 2011-09-08 | Vacuum system protection device and vacuum glass vacuumizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203366261U CN202250769U (en) | 2011-09-08 | 2011-09-08 | Vacuum system protection device and vacuum glass vacuumizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202250769U true CN202250769U (en) | 2012-05-30 |
Family
ID=46112021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203366261U Withdrawn - After Issue CN202250769U (en) | 2011-09-08 | 2011-09-08 | Vacuum system protection device and vacuum glass vacuumizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202250769U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330666A (en) * | 2011-09-08 | 2012-01-25 | 洛阳兰迪玻璃机器股份有限公司 | Vacuum system protective device, method and vacuum glass vacuum-pumping system |
| CN103434852A (en) * | 2013-09-06 | 2013-12-11 | 南通加创自动化设备有限公司 | Fast adsorbing and stacking system for drying room |
| CN109865628A (en) * | 2019-03-29 | 2019-06-11 | 江苏汉宁智慧家居有限公司 | A kind of timber crack resistence equipment |
-
2011
- 2011-09-08 CN CN2011203366261U patent/CN202250769U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330666A (en) * | 2011-09-08 | 2012-01-25 | 洛阳兰迪玻璃机器股份有限公司 | Vacuum system protective device, method and vacuum glass vacuum-pumping system |
| CN102330666B (en) * | 2011-09-08 | 2017-03-15 | 洛阳兰迪玻璃机器股份有限公司 | Vacuum system protection device, method and vacuum glass pumped vacuum systems |
| CN103434852A (en) * | 2013-09-06 | 2013-12-11 | 南通加创自动化设备有限公司 | Fast adsorbing and stacking system for drying room |
| CN109865628A (en) * | 2019-03-29 | 2019-06-11 | 江苏汉宁智慧家居有限公司 | A kind of timber crack resistence equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20171114 |
|
| AV01 | Patent right actively abandoned |