CN104896112B - Balanced large-flow valve core structure - Google Patents
Balanced large-flow valve core structure Download PDFInfo
- Publication number
- CN104896112B CN104896112B CN201510345453.2A CN201510345453A CN104896112B CN 104896112 B CN104896112 B CN 104896112B CN 201510345453 A CN201510345453 A CN 201510345453A CN 104896112 B CN104896112 B CN 104896112B
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- Prior art keywords
- valve
- cavity
- valve core
- chamber
- flap
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- 238000007789 sealing Methods 0.000 claims abstract description 37
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K39/00—Devices for relieving the pressure on the sealing faces
- F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves
- F16K39/022—Devices for relieving the pressure on the sealing faces for lift valves using balancing surfaces
Abstract
The invention relates to a balanced large-flow valve core structure and belongs to the technical field of electric valve cores. The balanced large-flow valve core structure comprises a valve body which is provided with a valve core body, a valve rod, a spring, a sealing cover, a valve clack and a base plate; a through hole, an upper chamber and a circulation hole are formed in the valve core body from top to bottom in turn; the valve rod is arranged in the through hole through the spring and the sealing cover in a matched mode; the valve clack is provided with a first through chamber which penetrates the lower end surface; the outer wall of the upper end of the valve clack is provided with a balance disk which can move vertically to be arranged in the upper chamber in a matched mode; the lower end of the valve clack is provided with a circulation disk; the upper end of the valve clack is provided with a third through chamber; an opening which is formed at one end of the third through chamber is communicated with the first through chamber; an opening which is formed at the other end of the third through chamber is communicated with a space formed above the balance disk; the base plate is provided with a second through chamber which penetrates the upper and lower end surface; the base plate is connected with the bottom end of the valve clack; the second through chamber is communicated with the first through chamber; the base plate is located below the valve core body and limited on a sealing plane which is formed at the bottom end of the valve core body; the lower end of the valve rod enters the upper chamber to be connected with the valve clack. The balanced large-flow valve core structure is stable in sealing performance and large in flow.
Description
Technical field
The present invention relates to a kind of balanced type large-capacity valve cored structure, belongs to the technical field of electronic valve core.
Background technology
The common structure of current electronic valve core is single valve clack sealing structure, the promotion of executor and the bullet of compression spring
Power is realized opening and closing.Existing electronic valve core is primarily present following shortcoming：
1. it is little that pressure reduction is closed：Pressure differential acts on the power of valve clack sealing surface less than the generation of opposite direction spring-compressed after and before the valve
Elastic force, realize sealing, single valve valve structure only has at 1 that downstream pressure is poor before Circulating Stock Inductance valve, and pressure reduction is more than after certain limit
(scope is less), after and before the valve pressure differential act on the power increase of valve clack sealing surface, and flap is opened, and interior sealing exception occurs；
2. flow is less than normal：As described above, the flow in order to increase valve, increases flow hole area, corresponding flap Circulating Stock
Area exceed certain limit after (scope is less), after and before the valve pressure differential act on the power increase of valve clack sealing surface, flap beats
Open, interior sealing exception occur；
Above-mentioned factor is integrated, and exactly existing electronic valve core has that sealing property is unstable, flow is less than normal asks
Topic, it is impossible to meet the growing big flow demand of client.
The content of the invention
To solve the above problems, the present invention provides a kind of balanced type large-capacity valve cored structure, the valve core structure sealing property
Stable, flow is big.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：
A kind of balanced type large-capacity valve cored structure, including valve core, valve rod, valve body, valve core are arranged in valve body, valve rod
It is arranged in valve element body by elastic reset system；
The valve body is provided between valve ante-chamber, valve back cavity, and valve ante-chamber and valve back cavity and is provided with seal, the wall of valve body
Installing hole is offered on body, installing hole is concentric with seal；
On the valve core, through hole, upper chamber, opening are from top to bottom offered successively, valve core upper end coordinates installs
In the installing hole of valve body, valve core lower end outer wall seals holding in seal；
The valve rod is inserted in valve element body from outside to inside by through hole, and valve rod lower end enters upper chamber, and valve stem end is successively
Flap and base plate are installed；
The cavity one through lower surface is offered on flap, flap upper end outer wall is provided with balancing frame, and balancing frame can be upper and lower
Portable to coordinate in epicoele room, the outer wall of balancing frame offers sealed groove one, is provided with sealing in sealed groove one
Circle, flap lower end is provided with Circulating Stock；Flap upper end is provided with cavity three, and three one end open of cavity is connected with cavity one, another
End opening and balancing frame superjacent air space（The upper chamber part being located above balancing frame）Connection；
The cavity two through upper and lower end face is offered on base plate, base plate is connected to flap bottom, and cavity two is connected with cavity one
Logical, base plate is located at below valve core, and spacing on the sealing plane of valve core bottom.
Used as the further setting of such scheme, the elastic reset system includes spring, closure, spring, closure
It is nested with from inside to outside in valve rod upper end outer wall successively, closure is fixedly connected with valve core, and valve stem tip is extended to outside closure
Portion, valve rod upper end outer wall are provided with step, and step upper surface is spacing in closure, and spring upper end is spacing in step lower surface,
Lower spring end is spacing in through hole.
In the through hole, and gear pad is installed below spring, lower spring end is spacing on gear pad.
On the base plate, and the position being engaged with the sealing plane of valve core bottom offers sealed groove two, sealing
Sealing ring is installed in groove two.
The cavity one extends upward through flap upper surface, and valve stem end is threadedly coupled with one upper end of flap cavity, leads to
Three one end open of chamber is located at below valve rod, and another end opening runs through balancing frame upper surface.
The base plate upper end is threadedly coupled with one lower end of flap cavity.
The closure is threadedly coupled with valve core, and valve core is connected with valve body screw thread.
The present invention reduces active force of the medium to flap by the effect of balancing frame, and pressure reduction is closed greatly in reliable and stable realization
(good seal performance) and big flow performance, easy maintenance during day-to-day operation.
Present configuration is simple, improves the sealing property and flow, the big flow use demand to meet user of valve, while
Guarantee the stable operation of whole pipe-line system equipment, and production and processing and assembling are simple, it is easy to maintenance, it is with low cost to be easy to promote
Use.
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of valve body in Fig. 1；
Fig. 3 is the structural representation of base plate in Fig. 1；
Fig. 4 is the structural representation of valve core in Fig. 1；
Fig. 5 is the structural representation of flap in Fig. 1；
Fig. 6 is the structural representation of valve rod in Fig. 1.
Specific embodiment
With reference to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, balanced type large-capacity valve cored structure of the present invention, including valve core
4th, valve rod 8, valve body 1, valve core 4 are arranged in valve body 1, and valve rod 8 is arranged in valve core 4 by elastic reset system.
Valve body 1 is provided between valve ante-chamber 11, valve back cavity 13, and valve ante-chamber 11 and valve back cavity 13 and is provided with seal 12,
Installing hole 14 is offered on the wall body of valve body 1, installing hole 14 is concentric with seal 12.
On valve core 4, through hole 45, upper chamber 41, opening 43 are from top to bottom offered successively, 4 upper end of valve core coordinates
In the installing hole 14 of valve body 1,4 lower end outer wall of valve core seals holding in seal 12.To improve sealing effectiveness, this
Invention offers sealed groove 3 42 in 4 lower end outer wall of valve core, is provided with sealing ring in sealed groove 3 42.
Valve rod 8 is inserted in valve core 4 from outside to inside by through hole 45, and 8 lower end of valve rod enters upper chamber 41,8 end of valve rod
It is sequentially installed with flap 5 and base plate 2.
The cavity 1 through lower surface is offered on flap 5,5 upper end outer wall of flap is provided with balancing frame 52, balancing frame
52 can move up and down formula coordinates in upper chamber 41, and the outer wall of balancing frame 52 offers sealed groove 1, sealed groove
Sealing ring 3 is installed in one 54,5 lower end outer wall of flap is provided with Circulating Stock 55；5 upper end of flap is provided with cavity 3 53, cavity
3 53 one end opens are connected with cavity 1, and another end opening is connected with 52 superjacent air space of balancing frame.Preferably, cavity 3 53
Two are provided with, and are symmetrical arranged.
Offer the cavity 2 21 through upper and lower end face on base plate 2, base plate 2 is connected to 5 bottom of flap, cavity 2 21 with it is logical
Chamber 1 connects, and base plate 2 is located at below valve core 4, and spacing on the sealing plane 44 of 4 bottom of valve core.
In the present embodiment, elastic reset system includes spring 6, closure 7, and spring 6, closure 7 are covered successively from inside to outside
Put in 8 upper end outer wall of valve rod, closure 7 is fixedly connected with valve core 4, and 8 top of valve rod is extended to outside closure 7, on valve rod 8
End outer wall is provided with step 101, and 101 upper surface of step is spacing in closure 7, and 6 upper end of spring is spacing in 101 lower end of step
Face, 6 lower end of spring are spacing in through hole 45.
In the present embodiment, in through hole 45, and gear pad 9 is installed positioned at the lower section of spring 6,6 lower end of spring is spacing in gear
On pad 9.
Further to improve sealing property, the present invention on a base plate 2, and is matched with the sealing plane 44 of 4 bottom of valve core
The position of conjunction offers sealed groove 2 22, is provided with sealing ring 3 in sealed groove 2 22.
To simplify assembling, convenient to process, the cavity 1 of the present invention extends upward through 5 upper surface of flap, 8 end of valve rod and valve
5 cavity of lobe, one 51 upper end is threadedly coupled and gluing is fixed, and 3 53 one end open of cavity is located at below valve rod 8, and the other end is opened
Mouth runs through 52 upper surface of balancing frame.2 upper end of base plate is threadedly coupled with 5 cavity of flap, one 51 lower end and gluing is fixed.Sealing
Lid 7 is threadedly coupled with valve core 4, and valve core 4 is threadedly coupled with valve body 1.
When generally, spring 6 is in compressive state, produces elastic force upwards, the sealing ring 3 and valve element in sealed groove 2 22
The sealing plane 44 of body 4 is pressed into contact with forming sealing, is in cut-off state between the valve ante-chamber 11 and valve back cavity 13 of such valve body 1,
Realize the closing of valve module.The cavity 1 of flap 5 is connected with upper chamber 41 by cavity 3 53, the cavity 2 21 of base plate 2
Connect with valve back cavity 13, thus, upper chamber 41（52 superjacent air space of balancing frame）Connect with valve back cavity 13, pressure is identical.Sealing ditch
Sealing ring 3 in groove 1 is pressed into contact with sealing with the inwall of 4 upper chamber 41 of valve core, it is ensured that valve ante-chamber 11 and upper chamber 41
（52 superjacent air space of balancing frame）Between be cut-off state；So, the Circulating Stock 55 of flap 5 and balancing frame 52 are subject to valve ante-chamber simultaneously
11 and 13 pressure medium of valve back cavity, Circulating Stock 55 is produced downward active force by pressure differential between valve ante-chamber 11 and valve back cavity 13；It is flat
Weighing apparatus disk 52 is produced active force upwards by pressure differential between valve ante-chamber 11 and valve back cavity 13.According to actual processing and assembly technology,
Balancing frame 52 is slightly less than Circulating Stock 55, and so, (what is worked is Circulating Stock just to balance significant component of downward active force
55 and the difference in areas of balancing frame 52).The present invention can lift-off seal performance, meet the use of the shut-off higher operating mode of pressure, meanwhile,
Can increase opening 43, Circulating Stock 55, balancing frame 52 simultaneously, increase the negotiability of valve, meet growing big of user
Traffic demand.
Above-described embodiment is only used for the inventive concept for illustrating the present invention, rather than the restriction to rights protection of the present invention,
All changes for carrying out unsubstantiality using this design to the present invention, all should fall into protection scope of the present invention.
Claims (7)
1. a kind of balanced type large-capacity valve cored structure, including valve core, valve rod, valve body, valve core are arranged in valve body, and valve rod leads to
Cross elastic reset system to be arranged in valve element body, it is characterised in that：
The valve body is provided between valve ante-chamber, valve back cavity, and valve ante-chamber and valve back cavity and is provided with seal, on the wall body of valve body
Installing hole is offered, installing hole is concentric with seal；
On the valve core, through hole, upper chamber, opening are from top to bottom offered successively, valve core upper end coordinates installed in valve
In the installing hole of body, valve core lower end outer wall seals holding in seal；
The valve rod is inserted in valve element body from outside to inside by through hole, and valve rod lower end enters upper chamber, and valve stem end is installed successively
There are flap and base plate；
The cavity one through lower surface is offered on flap, flap upper end outer wall is provided with balancing frame, and balancing frame can be moved up and down
Formula coordinates in epicoele room, and the outer wall of balancing frame offers sealed groove one, is provided with sealing ring, valve in sealed groove one
Lobe lower end is provided with Circulating Stock；Flap upper end is provided with cavity three, and three one end open of cavity is connected with cavity one, another end opening
Connect with balancing frame superjacent air space；
The cavity two through upper and lower end face is offered on base plate, base plate is connected to flap bottom, and cavity two is connected with cavity one, bottom
Plate is located at below valve core, and spacing on the sealing plane of valve core bottom.
2. balanced type large-capacity valve cored structure as claimed in claim 1, it is characterised in that：The elastic reset system includes bullet
Spring, closure, spring, closure are nested with successively from inside to outside in valve rod upper end outer wall, and closure is fixedly connected with valve core, valve
Bar top is extended to outside closure, and valve rod upper end outer wall is provided with step, and step upper surface is spacing in closure, on spring
End is spacing in step lower surface, and lower spring end is spacing in through hole.
3. balanced type large-capacity valve cored structure as claimed in claim 2, it is characterised in that：In the through hole, and it is located at spring
Lower section be provided with gear pad, lower spring end it is spacing gear pad on.
4. balanced type large-capacity valve cored structure as claimed in claim 1, it is characterised in that：On the base plate, and and valve core
The position that the sealing plane of bottom is engaged offers sealed groove two, is provided with sealing ring in sealed groove two.
5. balanced type large-capacity valve cored structure as claimed in claim 1, it is characterised in that：The cavity one extends upward through flap
Upper surface, valve stem end are threadedly coupled with one upper end of flap cavity, and three one end open of cavity is located at below valve rod, the other end
Opening is through balancing frame upper surface.
6. balanced type large-capacity valve cored structure as claimed in claim 1, it is characterised in that：The base plate upper end and flap cavity
One lower end is threadedly coupled.
7. balanced type large-capacity valve cored structure as claimed in claim 2, it is characterised in that：The closure and valve core screw thread
Connection, valve core are connected with valve body screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510345453.2A CN104896112B (en) | 2015-06-19 | 2015-06-19 | Balanced large-flow valve core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510345453.2A CN104896112B (en) | 2015-06-19 | 2015-06-19 | Balanced large-flow valve core structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104896112A CN104896112A (en) | 2015-09-09 |
| CN104896112B true CN104896112B (en) | 2017-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510345453.2A Active CN104896112B (en) | 2015-06-19 | 2015-06-19 | Balanced large-flow valve core structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN104896112B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2193470Y (en) * | 1994-05-20 | 1995-03-29 | 天津大学 | Pressure balance flow regulating valve |
| DE19854540C2 (en) * | 1998-11-26 | 2001-05-31 | Daimler Chrysler Ag | Pressure maintenance valve for air suspension systems and pneumatic systems |
| CN102889423B (en) * | 2012-09-24 | 2014-08-20 | 上海空间推进研究所 | Small pressure reducing valve and pressure reducing device in high-pressure high-flow fluid system |
| CN103256395A (en) * | 2013-05-25 | 2013-08-21 | 铜陵市三圆特种铸造有限责任公司 | Modularization spool structure of large-flow balance-type pressure regulating value |
| CN204828682U (en) * | 2015-06-19 | 2015-12-02 | 浙江盾安阀门有限公司 | Large -traffic case structure of balanced type |
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2015
- 2015-06-19 CN CN201510345453.2A patent/CN104896112B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104896112A (en) | 2015-09-09 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311800 Zhejiang city in Shaoxing Province town of Zhuji city shop industrial zone Zhejiang Dunan Valve Co. Ltd. Patentee after: ZHEJIANG DUNAN VALVE Co.,Ltd. Address before: 311800 Zhejiang city in Shaoxing Province town of Zhuji city shop industrial zone Zhejiang Dunan Valve Co. Ltd. Patentee before: ZHEJIANG DUNAN VALVE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311800, Shaoxing City, Zhejiang province Zhuji Town Industrial Zone Zhejiang shield Valve Co., Ltd. Patentee after: Zhejiang deai Intelligent Control Technology Co.,Ltd. Address before: 311800, Shaoxing City, Zhejiang province Zhuji Town Industrial Zone Zhejiang shield Valve Co., Ltd. Patentee before: ZHEJIANG DUNAN VALVE Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Balanced large flow valve core structure Effective date of registration: 20211220 Granted publication date: 20170412 Pledgee: Diankou sub branch of Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang deai Intelligent Control Technology Co.,Ltd. Registration number: Y2021980015397 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230724 Granted publication date: 20170412 Pledgee: Diankou sub branch of Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang deai Intelligent Control Technology Co.,Ltd. Registration number: Y2021980015397 |