CN201679966U - Vacuum angle seat valve - Google Patents
Vacuum angle seat valve Download PDFInfo
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- CN201679966U CN201679966U CN2010202015174U CN201020201517U CN201679966U CN 201679966 U CN201679966 U CN 201679966U CN 2010202015174 U CN2010202015174 U CN 2010202015174U CN 201020201517 U CN201020201517 U CN 201020201517U CN 201679966 U CN201679966 U CN 201679966U
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Abstract
The utility model relates to a vacuum angle seat valve, which comprises a valve body, wherein an inlet is formed at one end of the valve body, and an outlet is formed at the other end thereof; a valve seat is arranged between the inlet and the outlet; a valve core and the valve seat are mounted hermetically; the valve core is connected with a valve rod; the tail end of the valve rod is mounted in a control cavity after the valve rod passes through a free cavity; the valve rod is further connected with a resetting device; the control cavity is connected with the valve body through the free cavity; a sealing device is arranged between the control cavity and the free cavity; in addition, the valve body and the free cavity are also spaced hermetically; a control cavity interface is arranged on the control cavity; a vacuum extraction port is formed at the outlet; and the control cavity interface and the vacuum extraction port are connected with a vacuum controller. The vacuum angle seat valve has the characteristics of resource conservation, quick opening and closing, good sealing, low possibility of blockage, low construction cost, light weight, and better reliability and maintainability.
Description
Technical field
The utility model relates to a kind of novel evacuated angle pedestal valve, and it is installed in the vacuum conveying system, is used for fed sheet of a media and vacuum source are kept apart.
Background technique
Vacuum conveying system is that a kind of vacuum effect is shifted the closed system that is delivered to other places with materials such as some particles, liquid, is exactly that a kind of typical vacuum is carried case such as the vacuum sewage system of carrying sanitary wastewater.All in the coarse vacuum scope, no more than-80KPa, therefore the valve of using in system adopts normal malleation valve just can satisfy the requirement of general sealing and pressure-bearing to the vacuum of general vacuum conveying system inside.The valve common needs except satisfying general sealing and bearing requirements that are used for vacuum conveying system satisfy some specific (special) requirements, such as automatically control, open and close frequent, open and close rapidly, good seal etc. between spool and the valve seat, such requirement is to carry rapidly in order to reach, reduce vacuum leak, guarantee the normal effectively purpose of operation of whole system.The valve kind of existing malleation mainly contains gate valve, butterfly valve, ball valve, angle pedestal valve, if realize the automatic control of valve opening and closing, then take electronic or pneumatic mode, also have various solenoid valves in addition, the characteristic of these valves is compared the shortcoming that presents in various degree with the characteristics of vacuum conveying system, such as be subjected to external resource restriction (pneumatic), open and close that slow (automatically controlled), cost height (mostly being metallic material), valve base sealing are tight, the irregular easy obstruction of passage, weight are big etc., are difficult to realize the various requirement of vacuum system.Also there are some import vacuum valves to use at home at present, such as Flap valve, push-pull valve and the rubber channel valve of passenger train vacuum closet outlet.Vacuum valve is key core parts in vacuum conveying system, and design, optimization, popularization that the model utility of this product technology is used whole system play crucial effects
Angle pedestal valve patent in the past has (application number): 200710171440.3,200810201418.3,200810200379.5,200910131663.6,200910101411.9, the angle pedestal valve that these patents relate to all is to be that power source realize to open and close with extraneous pressurized air, described the characteristics of the aspects such as structure, sealing, material of valve, existed than big-difference at aspects such as application, working principle, structures with the utility model.
The model utility content
The utility model provides a kind of novel angle pedestal valve for vacuum conveying system, this vacuum angle seat valve have economize on resources, open and close rapidly, good seal, passing capacity are difficult for by force stopping up, cheap, in light weight, reliability maintainability feature relatively preferably.
For realizing above-mentioned feature, the utility model adopts following technological scheme:
A kind of vacuum angle seat valve, it comprises valve body, and valve body one end is import, and the other end is outlet; Between import and outlet, be provided with valve seat; Spool and valve base sealing are installed; Spool is connected with valve rod; End was installed in the control cavity after valve rod passed free cavity, and valve rod also is connected with resetting means; The control cavity is connected with valve body by free cavity; Between control cavity and free cavity, be provided with seal arrangement; Simultaneously, also sealed spacer between valve body, the free cavity; The control cavity is provided with the control chamber interface, and the outlet port is provided with gets vacuum port, the control chamber interface with get vacuum port and be connected with vacuum controller.
Described spool comprises taper, and the taper lower end is a seal disc, and the seal disc bottom is a pressing plate, seal disc and valve base chamber sealing.
Piston set tube in the described control cavity, the piston cylinder bottom is provided with carriage; Described seal arrangement is a diaphragm of rubber for being arranged on piston cylinder and tray chamber, and piston cylinder bottom and carriage are positioned at free cavity.
Described free cavity is provided with vent and is communicated with atmosphere.
Valve seat between described valve seat and outlet is provided with the ball-type projection.
Described valve rod is a stainless steel material, and valve body, control cavity, free cavity, taper, pressing plate, piston cylinder, carriage are engineering plastics.
Described resetting means is the spring that is sleeved on valve stem end.
The vacuum angle seat valve that is used for vacuum conveying system of the present utility model, mainly be made up of parts such as valve body, control cavity, free cavity, spool, spring, diaphragm of rubber, piston cylinders, the each interval sealing forms media cavity, free chamber and control chamber between valve body, control cavity, the free cavity; Usually the import of valve is connected with the medium that will carry, and outlet is connected with vacuum source, and because of the effect of control chamber spring, the valve free state separates medium and the vacuum source of being carried for closing; To get vacuum port by other controller when needing fed sheet of a media and be communicated with the control chamber interface, this moment, the valve opening medium entered vacuum system, medium transport is finished after by the vacuum in the controller release control chamber, valve closing; Free chamber is communicated with atmosphere by vent all the time.
Control chamber and free chamber are isolated by diaphragm of rubber, and sealing is fabulous, the effect that piston cylinder only plays guiding and supports.
Spool is made up of valve rod, taper, seal disc, pressing plate and fastening piece, and the conical design of taper has been alleviated the impact of in the medium transport process spool being formed, and also makes medium be not easy to silt up on spool is formed and in the media cavity; Seal disc adopts conical surface to contact with valve seat, when valve is not closed completely because of wearing and tearing, only needs to change the rubber seal dish.
The rear design of valve seat becomes a ball-type projection (or other rational circular shape), and this projection can make valve inner have size to be not less than the effective passage of D the figure from import all the time to outlet, makes valve have good passing capacity.
Valve rod is a stainless steel material, and valve body, control cavity, free cavity, taper, pressing plate, piston cylinder, carriage are engineering plastics.
The beneficial effects of the utility model are: for vacuum conveying system provides a kind of novel valve, it economizes on resources because of having, open and close rapidly, good seal, be difficult for stopping up, cheap, in light weight, reliability maintainability feature relatively preferably, so alleviated the type selecting difficulty of some valve in the vacuum conveying system to a certain extent.The suitable specification limit of making of the valve of this structure is bigger in addition, for more Environmental Conditions provides a selection.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Wherein, 1. import, 2. media cavity, 3. valve seat, 4. spool, 5. ball-type projection, 6. vacuum port is 7. got in outlet, 8. pressing plate, 9. seal disc, 10. taper, 11. valve rods, 12. valve body, 13. free cavitys, 14. free chambers, 15. control cavitys, 16. control chamber, 17. control chamber interfaces, 18. springs, 19. piston cylinders, 20. diaphragm of rubber, 21. carriages, 22. vents, 23. vacuum controllers.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Among Fig. 1, vacuum angle seat valve mainly by valve body 12, control cavity 15, free cavity 13, spool 4, spring 18, diaphragm of rubber 20, piston cylinder 19 and is connected accordingly, fastening, sealed member forms, each interval seals formation formation media cavity 2, free chamber 14 and control chamber 16 respectively between valve body 12, control cavity 15, the free cavity 13; Usually the import 1 of valve is connected with the medium that will carry, exports 6 and is connected with vacuum source, and because of the effect of spring 18, the valve free state separates medium and the vacuum source of being carried for closing.
When valve need be opened fed sheet of a media, to get vacuum port 7 by other vacuum controller 23 is communicated with control chamber interface 17, this moment, free chamber 14 overcame the effect of spring 18 with valve opening with the pressure difference of control chamber 16, medium enters vacuum system, after finishing, medium transport discharges vacuum in the control chamber 16, valve closing by controller.Free chamber 14 is communicated with atmosphere by vent 22 all the time.The vacuum controller 24 of control vacuum angle seat valve can be automatically controlled, also can be pneumatic (controlling) with system vacuum, electrically-controlled controller only needs 24V control power supply, pneumatic controller is without any need for resource, with regard to making the application conditions of vacuum angle seat valve become simply, can adapt to more Environmental Conditions like this.
Spool 4 is made up of valve rod 11, taper 10, seal disc 9, pressing plate 8 and fastening piece, the shape of taper 10 adopts conical design, conical design makes spool 4 that the outer surface of comparison smoothness be arranged, such benefit is both to have alleviated in the medium transport process the impact of spool 4, also makes medium be not easy to silt up on spool 4 He in the media cavity 2.One of major failure of vacuum valve is that valve closing is not tight, and generally because valve itself wearing and tearing or have the medium clamping stagnation to cause, this vacuum angle seat valve only needs replacing rubber seal dish 9 during because of the wearing and tearing poor sealing, does not relate to miscellaneous part, and maintenance cost is lower.Piston cylinder 19 bottoms and carriage 21 are positioned at free cavity 13.
On valve body 12, the rear design of valve seat 3 becomes a ball-type projection 5(or other rational circular shape), this projection can make valve inner have size to be not less than effective passage of D from import all the time to outlet, make valve have good passing capacity, greatly reduce the probability of large particle medium clamping stagnation in valve, and then also improved the passing capacity of whole transporting system.
In the structure of vacuum angle seat valve, except spring 18, valve rod 11 and fastening piece are the metallic material, other parts all are engineering plastics, make the cost of whole valve cheaper, weight is lighter, so just reduce the accessory cost and the installation cost of whole system, helped valve and system promotes the use of in a wider context.
Claims (7)
1. a vacuum angle seat valve is characterized in that, it comprises valve body (12), and valve body (12) one ends are import (1), and the other end is outlet (6); Between import (1) and outlet (6), be provided with valve seat (3); Spool (4) is installed with valve seat (3) sealing; Spool (4) is connected with valve rod (11); Valve rod (11) passes free cavity (13) back end and is installed in the control cavity (15), and valve rod (11) also is connected with resetting means; Control cavity (15) is connected with valve body (12) by free cavity (13); Between control cavity (15) and free cavity (13), be provided with seal arrangement; Simultaneously, also sealed spacer between valve body (12), the free cavity (13); Control cavity (15) is provided with control chamber interface (17), and outlet (6) is located to be provided with and got vacuum port (7), control chamber interface (17) with get vacuum port (7) and be connected with vacuum controller (24).
2. vacuum angle seat valve as claimed in claim 1 is characterized in that, described spool (4) comprises taper (10), and taper (10) lower end is seal disc (9), and seal disc (9) bottom is pressing plate (8), sealing between seal disc (9) and valve seat (3).
3. vacuum angle seat valve as claimed in claim 1 is characterized in that, the interior piston set tube of described control cavity (15) (19), and piston cylinder (19) bottom is provided with carriage (21); Described seal arrangement is diaphragm of rubber (20) for being arranged between piston cylinder (19) and carriage (21), piston cylinder (19) bottom and carriage (21) are positioned at free cavity (13).
4. as claim 1 or 3 described vacuum angle seat valves, it is characterized in that described free cavity (13) is provided with vent (22) and is communicated with atmosphere.
5. vacuum angle seat valve as claimed in claim 1 is characterized in that, the valve seat (3) between described valve seat (3) and outlet (6) is provided with ball-type projection (5).
6. as claim 1 or 2 or 3 described vacuum angle seat valves, it is characterized in that, described valve rod (11) is a stainless steel material, and valve body (12), control cavity (15), free cavity (13), taper (10), pressing plate (8), piston cylinder (19), carriage (21) are engineering plastics.
7. vacuum angle seat valve as claimed in claim 1 is characterized in that, described resetting means is for being sleeved on the terminal spring (18) of valve rod (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202015174U CN201679966U (en) | 2010-05-25 | 2010-05-25 | Vacuum angle seat valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202015174U CN201679966U (en) | 2010-05-25 | 2010-05-25 | Vacuum angle seat valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201679966U true CN201679966U (en) | 2010-12-22 |
Family
ID=43345010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202015174U Expired - Fee Related CN201679966U (en) | 2010-05-25 | 2010-05-25 | Vacuum angle seat valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201679966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806365A (en) * | 2010-05-25 | 2010-08-18 | 山东华腾环保科技有限公司 | Vacuum angle seat valve |
-
2010
- 2010-05-25 CN CN2010202015174U patent/CN201679966U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806365A (en) * | 2010-05-25 | 2010-08-18 | 山东华腾环保科技有限公司 | Vacuum angle seat valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20110525 |