CN204253933U - Vacuum valve - Google Patents
Vacuum valve Download PDFInfo
- Publication number
- CN204253933U CN204253933U CN201420723667.XU CN201420723667U CN204253933U CN 204253933 U CN204253933 U CN 204253933U CN 201420723667 U CN201420723667 U CN 201420723667U CN 204253933 U CN204253933 U CN 204253933U
- Authority
- CN
- China
- Prior art keywords
- valve
- hole
- vacuum
- seal
- air flue
- 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
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model provides a kind of vacuum valve, and it comprises: a valve body, a valve and a valve actuator.Described valve body has an inlet hole communicating together, a through hole and an air flue hole.Described valve is arranged in through hole.Described valve actuator is the first end being fixed on through hole, and a drive end of valve actuator is connected with valve in through-holes, moves between a primary importance and a second place to drive valve on a linear direction.When valve is in primary importance, valve seal inlet hole, and make to keep UNICOM between one second end of through hole and air flue hole, when when the valve second place, the second end of valve seal through hole, and make to keep UNICOM between inlet hole and air flue hole.
Description
Technical field
The utility model relates to a kind of valving, especially for the valving of the vacuum state of control one operation chamber.
Background technique
Application of vacuum is the processing procedure often used in various industrial processes, such as in plastics vulcanization shaping apparatus, after an evacuated housing declines, the operation chamber that just must be formed in this evacuated housing maintains vacuum environment in good time, therefore, the significance of vacuum system also increases along with industry development thereupon.In general; the vaccum treating apparatus used in vacuum process; if need expeditiously an operation chamber to be down to vacuum state by atmospheric conditions; usually a vacuum chamber can be provided with in addition; this vacuum chamber volume is the several times of operation chamber, is installed with vacuum control valve in the pipeline that this operation chamber is communicated with this vacuum chamber.First through a vacuum pump, one vacuum chamber is bled in equipment, keep the force value in this vacuum chamber.When this vacuum control valve is communicated with pipeline between the two, this operation chamber of little volume just can reach negative pressure state fast.When the vacuum state for removing this operation chamber, this vacuum control valve just interrupts pipeline and ambient atmosphere is connected with this operation chamber.
Fig. 1 is the schematic diagram showing existing vacuum control valve.As shown in Figure 1, existing vacuum control valve generally has a valve body 91, is altogether provided with vacuum control valve 92 and vacuum breaking valve 93 two valves in valve body 91.The first end 911 of valve body 91 is connected with the vacuum chamber 95 taken out by vacuum pump as negative pressure state, second end 912 of valve body 91 is connected with operation chamber 94, and is provided with the inlet hole 913 be connected with air between the two ends of valve body 91 at a side of vacuum breaking valve 93.When operation chamber 94 is adjusted to vacuum state by needs, vacuum control valve 92 in existing vacuum control valve need be opened and vacuum breaking valve 93 is closed, to make UNICOM between vacuum chamber 95 and operation chamber 94, whereby operation chamber 94 is adjusted to vacuum state.And when operation chamber 94 is reverted to general state by needs, then need the vacuum control valve 92 in existing vacuum control valve is closed and vacuum breaking valve 93 is opened, to make the atmosphere of operation chamber 94 and its exterior, the vacuum state whereby in breakdown operation chamber 94.
Although above-mentioned existing vacuum control valve can reach the object of the vacuum state controlled in operation chamber, but the valve at every turn all needing operation two different when adjusting the vacuum state in operation chamber, makes its control procedure too complicated; In addition, because two valves are all the ball valve be made up of PVC, as long as when wherein any one valve damages or weares and teares, just whole ball valve must be replaced and just can make vacuum control valve normal operation, make existing vacuum control valve except keeping in repair inconvenience, have more consumptive material quantity mainly with and safeguard expensive shortcoming.
Model utility content
For the foregoing reasons, the purpose of this utility model is to provide a kind of vacuum valve, and it can reach the object of the vacuum state controlling operation chamber through single valve.
Another object of the present utility model is to provide a kind of easy to maintenance and vacuum valve that maintenance cost is low.
For reaching aforementioned object, the utility model provides a kind of vacuum valve, and it comprises: a valve body, a valve and a valve actuator.Described valve body has an inlet hole communicating together, a through hole and an air flue hole.Described valve is arranged in through hole.Described valve actuator is the first end being fixed on through hole, and a drive end of valve actuator is connected with valve in through-holes, moves between a primary importance and a second place to drive valve on a linear direction.When valve is in primary importance, valve seal inlet hole, and make to keep UNICOM between one second end of through hole and air flue hole, when when the valve second place, the second end of valve seal through hole, and make to keep UNICOM between inlet hole and air flue hole.
According to an embodiment of the present utility model, described inlet hole and described air flue hole vertical with described through hole, and be separately positioned on the relative both sides of valve body.
According to an embodiment of the present utility model, an outer circumferential face of described valve is provided with an annular groove.A Sealing is provided with, in order to the inner circle wall drive fit with through hole in described annular groove.Wherein, described Sealing is an elastomer seal, and the edge of Sealing one end is fillet, and the edge of the Sealing the other end is oblique angle.In addition, Sealing is installed on the maximum diameter that the maximum diameter after in annular groove is greater than through hole.
Accompanying drawing explanation
Fig. 1 is the schematic diagram showing existing vacuum valve;
Fig. 2 is the stereogram of display according to the vacuum valve of the utility model preferred embodiment;
Fig. 3 is display according to the vacuum valve of the utility model preferred embodiment sectional view when primary importance; And
Fig. 4 is display according to the vacuum valve of the utility model preferred embodiment sectional view when the second place.
[description of reference numerals]
1-valve body, 11-inlet hole, 12-through hole, 121-first end, 122-second end, 13-air flue hole, 131-joint, 1310-connects perforation, 2-valve, 21-annular groove, 22-Sealing, 3-valve actuator, 4-operation chamber, 5-vacuum chamber, 31-drive end, 91-valve body, 911-first end, 912-second end, 913-inlet hole, 92-vacuum control valve, 93-vacuum breaking valve, 94-operation chamber, 95-vacuum chamber.
Embodiment
Below coordinating graphic and element numbers to do more detailed description to mode of execution of the present utility model, can implement according to this after studying this specification carefully in order to do making to have the knack of this those skilled in the art.
Fig. 2 is the stereogram of display according to the vacuum valve of the utility model preferred embodiment; Fig. 3 is the side cutaway view of display according to the vacuum valve of the utility model preferred embodiment.As shown in Figures 2 and 3, vacuum valve provided by the utility model, mainly includes valve body 1, valve 2 and a valve actuator 3.
Described valve body 1 has inlet hole 11, through hole 12 and an air flue hole 13 communicating together.As shown in Figure 2, inlet hole 11 and air flue hole 13 are vertical with through hole 12 respectively, and are separately positioned on the relative both sides of valve body 1.Inlet hole 11 is arranged on first end 121 place of valve body 1 near through hole 12, air flue hole 13 be then be arranged on through hole 12 between first end 121 and the second end 122.Inlet hole 11 and atmosphere, the vacuum chamber 5 that through hole 12 and is taken out as negative pressure state is connected, and air flue hole 13 is connected with an operation chamber 4 through a junction 131.The volume of this vacuum chamber 5 is the several times of this operation chamber 4, and this operation chamber 4 can be the working space of an actual production product, and this space must be vacuum state in good time or be removed.Described joint 131 is directly fixed on valve body 1 to arrange on a side in air flue hole, and have the connection identical with air flue hole 13 diameter in joint 131 and bore a hole 1310.
Institute's valve actuator 3 is the first ends 121 being fixed on this through hole 12, and seals through hole 12 from this first end 121.One drive end 31 of valve actuator 3 is connected with valve 2 in through hole 12, and valve 2 can be driven in through hole 12 to carry out linear motion.In preferred embodiment of the present utility model, be use pneumatic cylinder as valve actuator 3, the power plant of any valve movement on linear direction of can tending to act all can as valve actuator 3.
Described valve 2 is fixed on the drive end 31 of valve actuator 3, and can move between a primary importance and a second place on linear direction along with the drive end 31 of valve actuator 3.The outer circumferential face of valve 2 main body is provided with an annular groove 21, and in annular groove 21, is provided with a Sealing 22.In preferred embodiment of the present utility model, Sealing 22 is the elastomer seal be made up of rubber, and it is installed on the maximum diameter of the maximum diameter after on valve 2 slightly larger than through hole 12.In addition, as shown in Figure 3, the edge at Sealing about 22 two ends forms fillet and oblique angle respectively.
Operation chamber 4 through the running of single valve body, can switch by vacuum valve provided by the utility model between vacuum state and non-vacuum.Below, with reference to Fig. 3 and Fig. 4, the start of the vacuum valve that the utility model provides and operating mode are described.
Fig. 3 is the side cutaway view of the valve 2 of display vacuum valve when moving to primary importance.As shown in Figure 3, when 2, the valve of vacuum valve is in primary importance, inlet hole 11 can block by the main body of valve 2, and the Sealing 22 be installed on valve 2 main body outer periphery can make drive fit with the inwall of through hole 12 upper half part, with the channel between further sealing operation chamber 4 and inlet hole 11, and make operation chamber 4 through the connection perforation 1310 of joint 13, lower half portion of air flue hole 13 and through hole 12 and vacuum chamber 5 UNICOM.Because vacuum chamber 5 takes out the state of taking out in advance as negative pressure by vacuum pump, therefore, when the valve 2 of vacuum valve is switched to primary importance, operation chamber 4 just can be adjusted to the state of vacuum rapidly, to facilitate the carrying out of subsequent process steps.
Fig. 4 is the side cutaway view of the valve 2 of display vacuum valve when moving to the second place.As shown in Figure 4, after the vacuum course of working in operation chamber 4 completes, just through valve actuator 3, valve 2 can be moved to second position, with the vacuum state in breakdown operation chamber 4.In more detail, when needing the position of switch valve, being through valve actuator 3 and driving its drive end 31 to move at linear direction, with by valve 2 from the primary importance depress shown in Fig. 3 to the second position shown in Fig. 4.When the second place, path between second end of through hole 12 and air flue hole 13 can block by the main body of valve 2, and the Sealing 22 on valve 2 main body outer circumferential face can make drive fit to provide the effect of sealing further with the inner circle wall of through hole 12 lower portion, making can be bored a hole by the connection in upper half part of through hole 12, air flue hole 13 and joint 131 via inlet hole 11 with air 1310 enters in operation chamber 4, the vacuum state whereby in breakdown operation chamber 4.
Through structure mentioned above and function mode, what provide according to the utility model preferred embodiment can adjust and the vacuum state controlled in operation chamber through the manipulation of single valve, compared to existing technologies, its structure with operation on all more simple.In addition, vacuum valve of the present utility model uses the elastomer seal be made up of rubber to carry out the sealing between channel, the ball valve made compared to existing PVC is comparatively not easy to damage, and also only need when valve wear to change the elastomer seal on valve, significantly reduce vacuum valve maintenance and the cost safeguarded.
As seen from the above embodiment, value in the true tool industry of vacuum valve provided by the utility model, above describing is only preferred embodiment explanation of the present utility model, allly be skillful in this those skilled in the art and can do other all improvement according to above-mentioned explanation, these changes still belong in spirit of the present utility model and following defined the scope of the claims.
Claims (7)
1. a vacuum valve, comprising:
One valve body, it has an inlet hole communicating together, a through hole and an air flue hole;
One valve, is arranged in this through hole;
One valve actuator, is fixed on a first end of this through hole, and a drive end of this valve actuator is connected with this valve in this through hole, moves between a primary importance and a second place to drive this valve in a rectilinear direction;
Wherein, when when this primary importance, this inlet hole of this valve seal, and make to keep UNICOM between one second end of this through hole and this air flue hole, when when this second place, this second end of this this through hole of valve seal, and make to keep UNICOM between this inlet hole and this air flue hole.
2. vacuum valve according to claim 1, is characterized in that, this inlet hole and this air flue hole vertical with this through hole, and be separately positioned on the relative both sides of this valve body.
3. vacuum valve according to claim 1, is characterized in that, this valve actuator is a pneumatic cylinder.
4. vacuum valve according to claim 1, is characterized in that, an outer circumferential face of this valve is provided with an annular groove, is provided with a Sealing in this annular groove, in order to the inner circle wall drive fit with this through hole.
5. vacuum valve according to claim 4, is characterized in that, the seal is an elastomer seal.
6. vacuum valve according to claim 4, is characterized in that, the edge of seal one end is fillet, and the edge of the seal the other end is oblique angle.
7. vacuum valve according to claim 4, is characterized in that, the seal is installed on the maximum diameter that the maximum diameter after in this annular groove is greater than this through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723667.XU CN204253933U (en) | 2014-11-26 | 2014-11-26 | Vacuum valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723667.XU CN204253933U (en) | 2014-11-26 | 2014-11-26 | Vacuum valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204253933U true CN204253933U (en) | 2015-04-08 |
Family
ID=52958240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420723667.XU Active CN204253933U (en) | 2014-11-26 | 2014-11-26 | Vacuum valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204253933U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570494A (en) * | 2015-12-29 | 2016-05-11 | 北京长峰金鼎科技有限公司 | Vacuum three-way valve |
| CN109798376A (en) * | 2019-03-18 | 2019-05-24 | 湖南真创环保科技有限公司 | Schmidt's vacuum air valve |
| CN109973697A (en) * | 2019-03-18 | 2019-07-05 | 湖南真创环保科技有限公司 | Passive Schmidt's vacuum sewerage valve |
-
2014
- 2014-11-26 CN CN201420723667.XU patent/CN204253933U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570494A (en) * | 2015-12-29 | 2016-05-11 | 北京长峰金鼎科技有限公司 | Vacuum three-way valve |
| CN105570494B (en) * | 2015-12-29 | 2018-06-15 | 北京长峰金鼎科技有限公司 | A kind of vacuum triple valve |
| CN109798376A (en) * | 2019-03-18 | 2019-05-24 | 湖南真创环保科技有限公司 | Schmidt's vacuum air valve |
| CN109973697A (en) * | 2019-03-18 | 2019-07-05 | 湖南真创环保科技有限公司 | Passive Schmidt's vacuum sewerage valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204253933U (en) | Vacuum valve | |
| CN201795068U (en) | Flexibly sealed gate valve | |
| CN104791501A (en) | Bi-directional pressure self-balancing type stop valve | |
| CN103912478A (en) | Inflating device with air storage barrel | |
| CN207858598U (en) | A kind of floating burr remover based on robot control | |
| CN203363378U (en) | Double-acting high-pressure pneumatic device | |
| CN206368981U (en) | A kind of novel double-layer four-way reversing valve | |
| CN204512485U (en) | Pneumatic vacuum push-pull valve | |
| CN2846924Y (en) | Reverse seal type round dome valve | |
| CN104712781B (en) | Pneumatic vacuum gate valve | |
| CN203009903U (en) | Pneumatic valve with controllable flow | |
| CN203770832U (en) | Ultra-high vacuum valve device | |
| CN2765011Y (en) | Atmospheric pressure sealing device for machine tool main shaft | |
| CN204962008U (en) | Two packing seal valves | |
| CN205173513U (en) | Pneumatic butterfly valve of dust pelletizing system | |
| CN204062110U (en) | The structure of cooling water switch controlled circulation valve | |
| TWM497726U (en) | Vacuum valve | |
| CN203258086U (en) | Rapid cut-off valve | |
| CN204061950U (en) | A kind of one-way sealing plate valve | |
| CN203162306U (en) | Novel air-operated flat gate valve | |
| CN211599683U (en) | Elastic sealing gate valve | |
| CN203963205U (en) | Pneumatic gate valve | |
| CN201884713U (en) | Pneumatic three-way valve | |
| CN203948771U (en) | The two-way self-seal device of valve rod | |
| CN204226730U (en) | Compact two-position two-way pneumatic control flat seat valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |