CN209213051U - A kind of regulating valve of high pressure resistant difference - Google Patents
A kind of regulating valve of high pressure resistant difference Download PDFInfo
- Publication number
- CN209213051U CN209213051U CN201822040284.3U CN201822040284U CN209213051U CN 209213051 U CN209213051 U CN 209213051U CN 201822040284 U CN201822040284 U CN 201822040284U CN 209213051 U CN209213051 U CN 209213051U
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- Prior art keywords
- valve
- hole
- high pressure
- valve base
- spool
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Abstract
The utility model relates to regulating valve fields, and disclose a kind of regulating valve of high pressure resistant difference, which can improve system stability, with high pressure resistant difference conducive to prolonging the service life.Its structure includes valve body, the valve body left and right side is respectively equipped with discharge port and feed inlet, vertical channel is equipped between the inlet port and outlet port, bottom is equipped with lower valve base in channel, lower valve base structure in a ring, lower valve base outer peripheral surface is equipped with annular convex platform, channel inner surface is equipped with the card slot cooperated with annular convex platform, intermediate valve seat is equipped with above lower valve base, the tubular structure of the intermediate valve seat upper and lower opening, its side wall is embedded with connection window, the connection window includes the lateral rectangular through-hole of top, it is connected below rectangular through-hole with tip triangle through hole directed downwardly, triangle through hole is connected with the tubaeform through-hole of the lower open mouth of lower section, tubaeform through-hole is connected with the strip through-hole of lower section transverse direction.It is easy to operate, easy to use, is suitable for a variety of environment.
Description
Technical field
The utility model relates to high temperature adjustable valve field, specially a kind of regulating valve of high pressure resistant difference.
Background technique
With the development of science and technology the development of society, the industrial automation technology in China have obtained quick development, therewith
The fast development of the industry automatic control equipment and accessory come.Wherein, flow control valve is in automatic control system using more
Generally.Flow control valve is to carry out the flow of control orifice by the size for changing throttling oral fluid resistance under certain pressure difference, from
And the valve class of executive component (hydraulic cylinder or hydraulic motor) movement velocity is adjusted, it mainly include throttle valve, speed governing valve, overflow throttling
Valve and flow divider-combiner etc..Installation form is to be horizontally mounted.Its connection type is divided into flange form and screw-type, welded type；Control
Regulative mode be divided into it is automatic with it is manual.
Flow control valve can be applied on the pressure pipelines such as petroleum, chemical industry, metallurgy, steam power plant, and when valve is for height
When temperature, high pressure and big orifice pipeline, it is necessary to overcome the pressure medium born on opening and closing element that could operate valve, existing regulating valve
It works in environment in the hot summer, moving up and down for valve pocket internal cause valve rod will lead to temperature raising, will lead to valve rod under high temperature
It moves up and down and is not easy, can not be normally-open so as to cause regulating valve, reduce service life.At present, it would be highly desirable to which one kind can be with resistance to height
The appearance of the regulating valve of pressure difference.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of regulating valve of high pressure resistant difference, which can be with
High pressure resistant difference improves system stability, conducive to prolonging the service life.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions:
A kind of regulating valve of high pressure resistant difference, structure include valve body, and the valve body left and right side is respectively equipped with discharging
Mouthful and feed inlet, vertical channel is equipped between the inlet port and outlet port, it is characterised in that: bottom in the channel
Equipped with lower valve base, structure, lower valve base outer peripheral surface are equipped with annular convex platform to the lower valve base in a ring, and channel inner surface is equipped with and ring
The card slot of shape boss cooperation, lower valve base top are equipped with intermediate valve seat, the tubular structure of the intermediate valve seat upper and lower opening, side
Wall is embedded with connection window, and the connection window includes the lateral rectangular through-hole of top, and rectangular through-hole lower section and tip are downward
Triangle through hole be connected, triangle through hole is connected with the tubaeform through-hole of the lower open mouth of lower section, tubaeform through-hole under
The lateral strip through-hole in side is connected, small big shape under being integrally in；
Upper valve base is equipped with above the intermediate valve seat, the upper valve base is in the tubular structure of upper and lower opening, upper end
Lateral surface is fixed with the boss of annular, and the inner surface of the valve channel is equipped with the card slot cooperated with boss；Described is upper
Valve deck is equipped with above valve seat, valve deck is fixedly connected with the valve body by bolt；
The tubular spool of bottom opening, the top of the spool and the valve rod of top are equipped with inside the intermediate valve seat
Bottom is connected, and vertical pressure compensation opening is embedded at the top of the spool, and the pressure compensation opening is cylindrical.
Ladder card slot is enclosed embedded with one in the upper surface of the lower valve base, is embedded with lower seal pad flexible in ladder card slot；Institute
Embedded with a circle annular slot, upper valve base bottom surface is equipped with a circle ladder card slot, ladder card slot and ring for the upper surface for the intermediate valve seat stated
Gasket flexible is equipped between shape card slot.
Preferably, the under shed of the lower valve base is open-like shape.
Preferably, the quantity of the connection window is at least one, is distributed on the side wall of intermediate valve seat.
Preferably, it is threadedly coupled between the tubular spool and stem bottom.
Preferably, the top setting of the spool facilitates the connection bump of valve rod connection, is arranged on the corresponding valve deck
There are the pockets for facilitating and accommodating connection bump.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of regulating valve of high pressure resistant difference, have it is following the utility model has the advantages that
1. a kind of regulating valve of high pressure resistant difference of the utility model, when spool is in sealing state, the lower end of spool with
Lower seal pad squeezes touching cooperation, and the step on the top of spool then squeezes touching cooperation with upper gasket, is sealed by the extruding at two, thus
Elastic deformation when improving sealing effect, and using gasket flexible that sealing can be improved, sealing effect are more preferable.
2. a kind of regulating valve of high pressure resistant difference of the utility model, feed inlet is entered from side, therefore to tubular spool
The active force of generation is mostly radial state, and therefore, the active force axially upwards that spool is subject to is just very small, accordingly even when charging
The pressure of mouth is bigger, and the pressure of discharge port is smaller, also still can guarantee good sealing performance.
3. a kind of regulating valve of high pressure resistant difference of the utility model, the lower end of spool and lower seal pad point when spool is opened
It opens from and by being connected to the lower part of window, the material of such feed inlet flows downward by connection window and from discharge port stream
Out；Spool is fabricated to tubular structure, it is possible to reduce weight reduces power when executing agency's opening and closing.
4. a kind of regulating valve of high pressure resistant difference of the utility model, a pressure compensation opening, Ke Yiping are provided on spool
Pressure inside weighing apparatus valve core inside and valve seat；The bottom for being connected to window is small, and top is big, therefore, first beats when spool moves upwards
The bottom of connection window is opened, and the opening of bottom is small, therefore the flow adjusting of the regulating valve is more accurate.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the utility model；
Fig. 2 is the enlarged structure schematic diagram that window is connected in Fig. 1；
Fig. 3 is the enlarged structure schematic diagram in Fig. 1 at A；
Fig. 4 is the enlarged structure schematic diagram in Fig. 1 at B.
It is indicated in figure: 1. valve rods；2. pressure compensation opening；3. upper valve base；4. tubular spool；5. valve body；6. intermediate valve seat；7.
Feed inlet；8. lower seal pad；9. lower valve base；10. discharge port；11. being connected to window；111. rectangular through-hole；112. triangle through hole；
113. tubaeform through-hole；114. strip through-hole；Gasket on 12.；13. valve deck.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figures 1 to 4, a kind of regulating valve of high pressure resistant difference, structure include valve body 5 (WCB carbon steel), the valve
5 left and right side of body is respectively equipped with discharge port 10 and feed inlet 7 (circle), is equipped between the feed inlet 7 and discharge port 10
Vertical channel (cylindrical, unmarked in figure), bottom is equipped with lower valve base 9 (WCB carbon steel) in the channel, the lower valve
Structure, lower valve base outer peripheral surface are equipped with annular convex platform (unmarked in figure) to seat in a ring, and channel inner surface is equipped with matches with annular convex platform
The card slot (unmarked in figure) of conjunction, intermediate valve seat 6 (WCB carbon steel) is equipped with above lower valve base 9, and about the 6 intermediate valve seat is opened
The tubular structure of mouth, for side wall embedded with connection window 11, the connection window 11 includes the rectangular through-hole of the transverse direction of top
111,111 lower section of rectangular through-hole is connected with triangle through hole 112, and triangle through hole 112 is tubaeform with the lower open mouth of lower section
Through-hole 113 is connected, and tubaeform through-hole 113 is connected with the strip through-hole 114 of lower section transverse direction, small big shape under being integrally in
Shape.
In above-described embodiment, specifically, being equipped with upper valve base 3 (WCB carbon steel) above the intermediate valve seat 6, described is upper
Valve seat 3 is in the tubular structure of upper and lower opening, and upper end lateral surface is fixed with the boss (unmarked in figure) of annular, the valve
The inner surface in 5 channel of body is equipped with the card slot (unmarked in figure) cooperated with boss.Valve deck 13 is equipped with above the upper valve base 3
(WCB carbon steel), valve deck 13 are fixedly connected by bolt with valve body 5.
In above-described embodiment, specifically, being equipped with (the WCB carbon of tubular spool 4 of bottom opening inside the intermediate valve seat 6
Steel), the top of the spool 4 is connected with valve rod 1 (WCB carbon steel) bottom of top, embedded with vertical at the top of the spool 4
Pressure compensation opening 2, the pressure compensation opening 2 is cylindrical.
In above-described embodiment, specifically, the upper surface of the lower valve base 9 is embedded with a circle ladder card slot, in ladder card slot
Embedded with lower seal pad 8 (high-temperature resistant rubber) flexible.The upper surface of the intermediate valve seat 6 is embedded with a circle annular slot, upper valve
Seat bottom surface is equipped with a circle ladder card slot, and upper 12 (high temperature resistant rubber of gasket flexible is equipped between ladder card slot and annular slot
Glue).
In above-described embodiment, more specifically, the under shed of the lower valve base 9 is open-like shape.
In above-described embodiment, more specifically, the quantity of the connection window 11 be at least one (in the present embodiment,
The quantity for being connected to window is two or three), it is distributed on the side wall of intermediate valve seat 6.
The tubular spool 4 and valve rod are threadedly coupled between 1 bottom.
Preferably, the top setting of the spool 4 facilitates the connection bump of valve rod connection, sets on the corresponding valve deck 13
It is equipped with the pockets for facilitating and accommodating connection bump.
Working principle: material enters from feed inlet 7, when spool 4 is in sealing state, the lower end of spool 4 and lower sealing
Pad 8 squeezes touching cooperation, and the step on the top of spool 4 then squeezes touching cooperation with upper gasket 12, is sealed by the extruding at two, to mention
High sealing effect, and elastic deformation when can be improved sealing using gasket flexible, sealing effect are more preferable；Feed inlet 7
It is to enter the mostly radial state of active force therefore generated to tubular spool 4 from side, therefore, spool 4 is subject to axially upwards
Active force it is just very small, accordingly even when the pressure of feed inlet 7 is bigger, the pressure of discharge port 10 is smaller, also can still protect
Demonstrate,prove good sealing performance；When spool 4 is opened, the lower end of spool separates with lower seal pad 8 and beats the lower part for being connected to window 11
It opens, the material of such feed inlet 7 flows downward by connection window 11 and flows out from discharge port 10.And spool 4 is fabricated to cylinder
Shape structure, it is possible to reduce weight reduces power when executing agency's opening and closing；A pressure compensation opening 2 is provided on spool 4, it can
With the pressure inside 4 inside of balance valve core and valve seat；The bottom for being connected to window 11 is small, and top is big, therefore, when spool 4 is transported upwards
The bottom of connection window 11 is first opened when dynamic, and the opening of bottom is small, therefore the flow adjusting of the regulating valve is more accurate.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of regulating valve of high pressure resistant difference, structure includes valve body (5), and the valve body (5) left and right side is respectively equipped with
Discharge port (10) and feed inlet (7), are equipped with vertical channel between the feed inlet (7) and discharge port (10), feature exists
In: bottom is equipped with lower valve base (9) in the channel, and structure, lower valve base outer peripheral surface are equipped with annular to the lower valve base in a ring
Boss, channel inner surface are equipped with the card slot that cooperate with annular convex platform, equipped with intermediate valve seat (6) above lower valve base (9), it is described in
Between valve seat (6) upper and lower opening tubular structure, side wall embedded with connection window (11), the connection window (11) includes top
Lateral rectangular through-hole (111), be connected below rectangular through-hole (111) with tip triangle through hole directed downwardly (112), triangle
Shape through-hole (112) is connected with the tubaeform through-hole (113) of the lower open mouth of lower section, tubaeform through-hole (113) and lower section transverse direction
Strip through-hole (114) is connected, small big shape under being integrally in；
Upper valve base (3) are equipped with above the intermediate valve seat (6), the upper valve base (3) is in the tubular structure of upper and lower opening, on
End lateral surface is fixed with the boss of annular, and the inner surface in the valve body (5) channel is equipped with the card slot cooperated with boss；Institute
Valve deck (13) are equipped with above the upper valve base (3) stated, valve deck (13) is fixedly connected by bolt with valve body (5)；
The tubular spool (4) of bottom opening, the top and top of the spool (4) are equipped with inside the intermediate valve seat (6)
Valve rod (1) bottom be connected, vertical pressure compensation opening (2), the pressure compensation opening are embedded at the top of the spool (4)
It is (2) cylindrical,
Ladder card slot is enclosed embedded with one in the upper surface of the lower valve base (9), is embedded with lower seal pad flexible (8) in ladder card slot；
Embedded with a circle annular slot, upper valve base bottom surface is equipped with a circle ladder card slot, ladder card slot for the upper surface of the intermediate valve seat (6)
Upper gasket (12) flexible is equipped between annular slot.
2. a kind of regulating valve of high pressure resistant difference according to claim 1, it is characterised in that: under the lower valve base (9)
Opening is open-like shape.
3. a kind of regulating valve of high pressure resistant difference according to claim 2, it is characterised in that: the connection window (11)
Quantity is at least one, is distributed on the side wall of intermediate valve seat (6).
4. a kind of regulating valve of high pressure resistant difference according to claim 3, it is characterised in that: the tubular spool (4) and valve
It is threadedly coupled between bar (1) bottom.
5. a kind of regulating valve of high pressure resistant difference according to claim 4, it is characterised in that: set at the top of the spool (4)
The connection bump for facilitating valve rod (1) to connect is set, the receiving for facilitating and accommodating connection bump is provided on the corresponding valve deck (13)
Groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822040284.3U CN209213051U (en) | 2018-12-06 | 2018-12-06 | A kind of regulating valve of high pressure resistant difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822040284.3U CN209213051U (en) | 2018-12-06 | 2018-12-06 | A kind of regulating valve of high pressure resistant difference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209213051U true CN209213051U (en) | 2019-08-06 |
Family
ID=67463216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822040284.3U Expired - Fee Related CN209213051U (en) | 2018-12-06 | 2018-12-06 | A kind of regulating valve of high pressure resistant difference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209213051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552681A (en) * | 2019-08-31 | 2019-12-10 | 中国石油集团川庆钻探工程有限公司 | separator liquid level adjusting system for oil testing |
-
2018
- 2018-12-06 CN CN201822040284.3U patent/CN209213051U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552681A (en) * | 2019-08-31 | 2019-12-10 | 中国石油集团川庆钻探工程有限公司 | separator liquid level adjusting system for oil testing |
| CN110552681B (en) * | 2019-08-31 | 2022-10-14 | 中国石油集团川庆钻探工程有限公司 | Separator liquid level adjusting system for oil testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20211206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |