CN204512489U - Low voltage drive blade type gate valve body - Google Patents

Low voltage drive blade type gate valve body Download PDF

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Publication number
CN204512489U
CN204512489U CN201520159562.0U CN201520159562U CN204512489U CN 204512489 U CN204512489 U CN 204512489U CN 201520159562 U CN201520159562 U CN 201520159562U CN 204512489 U CN204512489 U CN 204512489U
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CN
China
Prior art keywords
flashboard
cavity
valve body
ring
valve
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.)
Expired - Fee Related
Application number
CN201520159562.0U
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Chinese (zh)
Inventor
王建华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wang Jianhua
Original Assignee
Heilongjiang Tianhai Energy Saving Technology Development Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Heilongjiang Tianhai Energy Saving Technology Development Co Ltd filed Critical Heilongjiang Tianhai Energy Saving Technology Development Co Ltd
Priority to CN201520159562.0U priority Critical patent/CN204512489U/en
Application granted granted Critical
Publication of CN204512489U publication Critical patent/CN204512489U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of low voltage drive blade type gate valve body, comprise valve body, arrange cavity in valve body, side, cavity bottom is communicated with entry end pipe joint, cavity bottom opposite side is communicated with outlet end pipe joint, the position that cavity inside communicates with entry end pipe joint arranges ring-shaped step, and install flashboard in cavity, flashboard and ring-shaped step closely cooperate, cavity top installs valve seat, arrange valve rod in valve seat, sealed between valve rod and valve seat by Sealing, stem lower portion arranges outside thread.The utility model has the advantage of: long service life, actuator failure rate is low, can keep current state, do not need continued power after power-off, energy consumption is lower, stable, can not stuck by foreign matter, not easy rusting alteration shape, flashboard can all be opened, system resistance can not be increased, and do not need to move up and down, do not need headspace above during installation, its sealing effect is effectively promoted simultaneously.

Description

Low voltage drive blade type gate valve body
Technical field
The utility model relates to a kind of room temperature control valve, specifically a kind of low voltage drive blade type gate valve body.
Background technique
The room temperature control valve adopted in power-supply metering system is at present divided into electric valve, electric heating valve two class substantially.Easily occur Actuators Failures after electric heating valve uses for a long time, cause defective valve, the electric heating valve often opened needs stable power supply continued power, and therefore energy consumption is higher, electric valve is divided into again electric ball valve and electric gate valve, electric ball valve is easily stuck by foreign matter or cannot rotate because corrosion causes valve ball facial disfigurement at work, and the flashboard of existing electric gate valve is opened form and is mostly directly driven flashboard to promote for screw rod, and most of screw rod is exposed outside at valve body when promoting, the gate travel of the electric gate valve of this structure is limited, be difficult to realize opening completely, therefore system resistance can be made relatively large, certain influence is produced to for heat flow, in addition, screw rod need move up and down, therefore the sealing intensity at screw rod place is limited, repeatedly be elevated and after exposed screw rod adhering dust, understand the sealing intensity that affect screw rod place further, in addition, also a part of space need be reserved above valve during installation, for screw rod lifting.
Model utility content
The purpose of this utility model is to provide a kind of low voltage drive blade type gate valve body, and it is stable, can not stuck by foreign matter, not easy rusting alteration shape, flashboard can all be opened, system resistance can not be increased, can not have an impact to for heat flow, drive the valve rod of flashboard to be positioned at valve inner, and do not need to move up and down, therefore compared with prior art its sealing effect is effectively promoted.
The utility model for achieving the above object, be achieved through the following technical solutions: comprise valve body, in valve body, cavity is set, side, cavity bottom is communicated with entry end pipe joint, cavity bottom opposite side is communicated with outlet end pipe joint, the position that cavity inside communicates with entry end pipe joint arranges ring-shaped step, ring-shaped step inside forms the intake tunnel communicated with entry end pipe joint, in cavity, flashboard is installed, flashboard and ring-shaped step closely cooperate, cavity top installs valve seat, in valve seat, valve rod is set, sealed by Sealing between valve rod and valve seat, stem lower portion arranges outside thread, outside thread installs swivel nut, swivel nut is connected with flashboard, flashboard lifting can be driven by outside thread and swivel nut when valve rod rotates, intake tunnel in ring-shaped step can be closed when extreme lower position is down to by flashboard.Described Sealing comprises the bulge loop being arranged on valve rod border, and bulge loop end face contacts with valve base inner wall, arranges briquetting below bulge loop, and briquetting is connected with valve seat by screw thread.Between briquetting and bulge loop, seal washer is set.Between valve rod and valve seat, O-ring seal is set.Described swivel nut is positioned at the side of flashboard away from ring-shaped step.The plane that described flashboard coordinates with ring-shaped step is clinoplain, and the plane that described ring-shaped step coordinates with flashboard is annular slope, and clinoplain and annular slope are parallel to each other and opposed vertical direction tilts 1 °-5 °.
The utility model has the advantage of: long service life, actuator failure rate is low, can keep current state after power-off, do not need continued power, energy consumption is lower, stable, can not stuck by foreign matter, not easy rusting alteration shape, flashboard can all be opened, and can not increase system resistance, can not have an impact to for heat flow, the valve rod of flashboard is driven to be positioned at valve inner, and do not need to move up and down, do not need headspace above during installation, its sealing effect is effectively promoted simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model, is valve-closed state shown in figure;
Fig. 2 is structural representation of the present utility model, is valve open state shown in figure.
Embodiment
Low voltage drive blade type gate valve body described in the utility model comprises valve body 1, cavity 2 is set in valve body 1, side, cavity 2 bottom is communicated with entry end pipe joint 3, cavity 2 bottom opposite side is communicated with outlet end pipe joint 4, the position that cavity 2 inside communicates with entry end pipe joint 3 arranges ring-shaped step 5, ring-shaped step 5 inside forms the intake tunnel 11 communicated with entry end pipe joint 3, in cavity 2, flashboard 6 is installed, flashboard 6 and ring-shaped step 5 closely cooperate, valve seat 7 is installed at cavity 2 top, valve rod 8 is set in valve seat 7, sealed by Sealing between valve rod 8 and valve seat 7, valve rod 8 bottom arranges outside thread 9, outside thread 9 is installed swivel nut 10, swivel nut 10 is connected with flashboard 6, flashboard 6 can be driven to be elevated by outside thread 9 and swivel nut 10 when valve rod 8 rotates, intake tunnel 11 in ring-shaped step 5 can be closed when extreme lower position is down to by flashboard 6.During installation, valve rod 8 upper end described in the utility model is connected with electric actuator, and can rotate under the driving of electric actuator, when valve rod 8 rotates, drive flashboard 6 to be elevated by the cooperation of outside thread 9 and swivel nut 10, thus realize opening or throttle down.The utility model compared with existing electric heating valve, longer service life, actuator failure rate is low, and can keep current state after power-off, and do not need continued power, energy consumption is lower; Compared with existing electric ball valve, the thickness of flashboard is less, stable, can not stuck by foreign matter, not easy rusting alteration shape; Compared with existing electric gate valve, flashboard can all be opened, and can not increase system resistance, can not have an impact to for heat flow, drive the valve rod of flashboard to be positioned at valve inner, and do not need to move up and down, do not need headspace above during installation, its sealing effect can effectively promote simultaneously.
Sealing described in the utility model can adopt various structures, wherein preferred structure is: described Sealing comprises the bulge loop 12 being arranged on valve rod 8 border, bulge loop 12 end face and valve seat 7 contact internal walls, arrange briquetting 13 below bulge loop 12, briquetting 13 is connected with valve seat 7 by screw thread.This structure can be realized valve rod 8 and be coordinated by multiple sealing surface with valve seat 7, gap between valve rod 8 and valve seat 7 is repeatedly bent commutate, can sealing intensity significantly between poppet stem 8 and valve seat 7, prevent valve from seeping water, due to gap repeatedly bending commutation, therefore sealing structure still can keep good sealing intensity when rubber components occurs aging.Above-mentioned briquetting 13 and valve seat 7 two parts are to can also play clamping position-limiting action to bulge loop 12 simultaneously, the position of valve rod 8 is fixed, it is inner that the briquetting 13 that this structure can be dismantled is arranged on valve gap 7, be conducive to preventing briquetting 13 accidental or loosening under the effect of external force, cause valve normally to work.In addition, Sealing described in the utility model also can adopt other various structures, such as rubber seal etc., but the sealing intensity that these structures can provide is limited, is difficult to keep enough sealing intensities after rubber components is aging.
The utility model is strengthen the sealing intensity between valve rod 8 and valve seat 7 further, can arrange seal washer 14 between briquetting 13 and bulge loop 12, also can arrange O-ring seal 15 between valve rod 8 and valve seat 7.
The utility model, in order to reduce the thickness of flashboard 6 further, reduces flashboard 6 by the load of the stuck probability of foreign matter and electric actuator, can adopt following structure: described swivel nut 10 is positioned at the side of flashboard 6 away from ring-shaped step 5.This structure also helps the volume reducing valve body 1, reduces cost taken by themselves and takes up room.
The utility model is the sealing intensity of fitting surface between flashboard 6 and ring-shaped step 5 when strengthening valve closing, following structure can be adopted: the plane that described flashboard 6 coordinates with ring-shaped step 5 is clinoplain 16, the plane that described ring-shaped step 5 coordinates with flashboard 6 is annular slope 17, and clinoplain 16 and annular slope 17 are parallel to each other and opposed vertical direction tilts 1 °-5 °.This structure can realize the pressure strengthened gradually in flashboard 6 decline process between flashboard 6 and ring-shaped step 5 fitting surface, guarantees that flashboard 6 and ring-shaped step 5 closely cooperate.The angle of inclination in clinoplain 16 and annular slope 17 opposed vertical direction is greater than 5 °, although flashboard 6 and ring-shaped step 5 still can be kept to closely cooperate, can have an impact to the water (flow) direction passed through in valve body 1, thus increase system resistance, impact is for heat flow.

Claims (6)

1. low voltage drive blade type gate valve body, comprise valve body (1), it is characterized in that: cavity (2) is set in valve body (1), cavity (2) side, bottom is communicated with entry end pipe joint (3), cavity (2) bottom opposite side is communicated with outlet end pipe joint (4), the position that cavity (2) inside communicates with entry end pipe joint (3) arranges ring-shaped step (5), ring-shaped step (5) inside forms the intake tunnel (11) communicated with entry end pipe joint (3), in cavity (2), flashboard (6) is installed, flashboard (6) and ring-shaped step (5) closely cooperate, valve seat (7) is installed at cavity (2) top, valve rod (8) is set in valve seat (7), sealed by Sealing between valve rod (8) and valve seat (7), valve rod (8) bottom arranges outside thread (9), outside thread (9) is installed swivel nut (10), swivel nut (10) is connected with flashboard (6), valve rod (8) can pass through outside thread (9) when rotating and swivel nut (10) drives flashboard (6) lifting, intake tunnel (11) in ring-shaped step (5) can be closed when extreme lower position is down to by flashboard (6).
2. low voltage drive blade type gate valve body according to claim 1, it is characterized in that: described Sealing comprises the bulge loop (12) being arranged on valve rod (8) border, bulge loop (12) end face and valve seat (7) contact internal walls, bulge loop (12) below arranges briquetting (13), and briquetting (13) is connected with valve seat (7) by screw thread.
3. low voltage drive blade type gate valve body according to claim 2, is characterized in that: arrange seal washer (14) between briquetting (13) and bulge loop (12).
4. low voltage drive blade type gate valve body according to claim 1 and 2, is characterized in that: arrange O-ring seal (15) between valve rod (8) and valve seat (7).
5. low voltage drive blade type gate valve body according to claim 1, is characterized in that: described swivel nut (10) is positioned at the side of flashboard (6) away from ring-shaped step (5).
6. low voltage drive blade type gate valve body according to claim 1, it is characterized in that: the plane that described flashboard (6) coordinates with ring-shaped step (5) is clinoplain (16), the plane that described ring-shaped step (5) coordinates with flashboard (6) is annular slope (17), and clinoplain (16) and annular slope (17) are parallel to each other and opposed vertical direction tilts 1 °-5 °.
CN201520159562.0U 2015-03-20 2015-03-20 Low voltage drive blade type gate valve body Expired - Fee Related CN204512489U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520159562.0U CN204512489U (en) 2015-03-20 2015-03-20 Low voltage drive blade type gate valve body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520159562.0U CN204512489U (en) 2015-03-20 2015-03-20 Low voltage drive blade type gate valve body

Publications (1)

Publication Number Publication Date
CN204512489U true CN204512489U (en) 2015-07-29

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ID=53710467

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520159562.0U Expired - Fee Related CN204512489U (en) 2015-03-20 2015-03-20 Low voltage drive blade type gate valve body

Country Status (1)

Country Link
CN (1) CN204512489U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116066582A (en) * 2023-03-07 2023-05-05 山东宏丰智能装备有限公司 Automatic pressure relief single valve seat gate valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116066582A (en) * 2023-03-07 2023-05-05 山东宏丰智能装备有限公司 Automatic pressure relief single valve seat gate valve

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210331

Address after: No.20, 11 / F, unit 1, building 9, mengke vision, 181 Nanzhi Road, Nangang District, Harbin City, Heilongjiang Province

Patentee after: Wang Jianhua

Address before: Rooms 313 and 324, No.5 Songshan Road, Nangang District, Harbin, Heilongjiang, 150090

Patentee before: HEILONGJIANG TIANHAI ENERGY-SAVING TECHNOLOGY DEVELOPMENT CO.,LTD.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150729

CF01 Termination of patent right due to non-payment of annual fee