CN203703203U - Double sealing single flashboard flat plate sluice valve - Google Patents

Double sealing single flashboard flat plate sluice valve Download PDF

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Publication number
CN203703203U
CN203703203U CN201420022514.2U CN201420022514U CN203703203U CN 203703203 U CN203703203 U CN 203703203U CN 201420022514 U CN201420022514 U CN 201420022514U CN 203703203 U CN203703203 U CN 203703203U
Authority
CN
China
Prior art keywords
valve
flashboard
sealing
valve seat
low pressure
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
CN201420022514.2U
Other languages
Chinese (zh)
Inventor
穆金华
于英玖
杨德新
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.)
Beijing Valve General Factory Co ltd
Original Assignee
BEIJING VALVE GENERAL FACTORY GROUP 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 BEIJING VALVE GENERAL FACTORY GROUP Co Ltd filed Critical BEIJING VALVE GENERAL FACTORY GROUP Co Ltd
Priority to CN201420022514.2U priority Critical patent/CN203703203U/en
Application granted granted Critical
Publication of CN203703203U publication Critical patent/CN203703203U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a double sealing single flashboard flat plate sluice valve which comprises a valve body, a valve seat, a flashboard, a sealing structure, a bonnet, a stand, a hand wheel and an elongated sleeve. The valve seat is arranged in the valve body, the flashboard penetrates through the middle of the valve seat and is inserted inside the valve body, the valve seat is closely sealed with the flashboard, the bonnet is arranged on the valve body and is connected with the stand, the hand wheel and the elongated sleeve in sequence from bottom to top, a groove is formed at the sealing position of the valve seat and the flashboard, a sealing structure is embedded on the groove, and the sealing structure is composed of a low pressure sealing ring and a high pressure sealing ring, and the low pressure sealing ring is arranged above the high pressure sealing ring. According to the double sealing single flashboard flat plate sluice valve, structure is simple, use is convenient, sealing of the valve under extremely low pipeline pressure is achieved, the functions of dual blockage and discharge of the single flashboard flat plate sluice valve are achieved, the low pressure sealing ring is sealed with the flashboard under low pressure, when the pressure rises, the low pressure sealing ring and the high pressure sealing ring are sealed with the flashboard simultaneously, and dual-seal guarantees the sealing of the valve under extreme low pressure and high pressure.

Description

Double-sealing Single Disc Flat Gate Valves
Technical field
The utility model relates to mechanical engineering valve technology field, relates in particular to a kind of double-sealing Single Disc Flat Gate Valves.
Background technique
Valve is in fluid system, is used for controlling direction, the pressure of fluid, the device of flow.Valve is the device that medium (liquid, gas, powder) in pipe arrangement and equipment is flowed or stop and controlling its flow.
Valve is controlling component in pipeline fluid transporting system, and it is for changing path section and media flow direction, has the functions such as water conservancy diversion, cut-off, throttling, non-return, shunting or overflow release.For the valve of fluid control, from the simplest stop valve to very complicated robot control system(RCS) various valves used, its kind and specification are various, the inside nominal diameter of valve reaches greatly the industrial pipeline valve of 10m to latus rectum from atomic little Gauge Valves.Valve can be used for controlling all kinds such as water, steam, oil product, gas, mud, various Korrosionsmedium, liquid metal and radioactive fluid and fluidly flows, the working pressure of valve can be from 0.0013MPa to 1000MPa ultrahigh pressure, operating temperature is from the high temperature of the ultralow temperature to 1430 of-270 DEG C DEG C.The control of valve can adopt the multiple kind of drive, as manual, electronic, surge, pneumatic, turbine, electromagnetic driven, electromagnetism surge, electricity surges, air-or liquid-operated, spur wheel, umbrella gear driving etc.; Can be under the effect of pressure, temperature or other form transducing signal, by predetermined requirement action, or do not rely on transducing signal and simply open or close, valve relies on driving or automechanism to make open-shut device do lifting, slippage, swing or rotation motion, thereby the size that changes its Flow area is to realize its control function.
Along with social development, not only easy for installation and firm and durable of research, and the valve of economic, energy-conservation and environmental protection, seem particularly important.In prior art, plate valve is usually used in long-distance transport pipes, but in the time that pipeline initially leads to oil gas water, line pressure is extremely low, cannot ensure the sealing load that valve seal needs, for avoiding causing seal leakage, generally can only adopt Double Disc Flat Gate Valves, and this will cause valve mechanism to increase, weight increases, the problem that cost increases.
Model utility content
For above-mentioned defect of the prior art and problem, the utility model embodiment's object is to provide a kind of double-sealing Single Disc Flat Gate Valves of better reliability, thereby increases work efficiency.
In order to achieve the above object, the utility model embodiment provides following technological scheme:
A kind of double-sealing Single Disc Flat Gate Valves, by valve body, valve seat, flashboard, sealing configuration, valve gap, support, handwheel and nigger form, it is characterized in that, valve seat is located in valve body, flashboard inserts valve inner through valve seat middle part, and valve seat and the sealing of flashboard close-fitting, valve gap is located on valve body, and with support, handwheel is connected successively from bottom to top with nigger, valve seat and flashboard sealing place are provided with groove, on groove, be inlaid with sealing configuration, described sealing configuration is made up of low pressure seal circle and high-pressure seal ring, described low pressure seal circle is arranged at high-pressure seal ring top.
As technique scheme preferably, the rectangular triangle of described low pressure seal circle cross section, high-pressure seal ring cross section is rectangular.
The double-sealing Single Disc Flat Gate Valves that the utility model embodiment provides, compared with prior art, advantage of the present utility model is just: simple in structure, easy to use, the sealing of valve when solution line pressure is extremely low, realize the two obstructions of Single Disc Flat Gate Valves and discharge function simultaneously, under low-pressure state, low pressure seal circle and flashboard are realized sealing, in the time that pressure raises, low pressure seal circle and high-pressure seal ring are realized sealing with flashboard simultaneously, and double seal ensures that valve can both seal under utmost point low pressure and high pressure conditions.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the utility model embodiment's double-sealing Single Disc Flat Gate Valves.
Fig. 2 is the utility model embodiment's the low pressure seal circle of double-sealing Single Disc Flat Gate Valves and the structure for amplifying schematic diagram of high-pressure seal ring.
In figure: 1-valve body, 2-valve seat, 3-flashboard, 4-high-pressure seal ring, 5-low pressure seal circle, 6 valve gaps, 7-support, 8-handwheel, 9-nigger.
Embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical solution of the utility model is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1-2, a kind of double-sealing Single Disc Flat Gate Valves, by valve body 1, valve seat 2, flashboard 3, sealing configuration, valve gap 6, support 7, handwheel 8 and nigger 9 form, valve seat 2 is located in valve body 1, flashboard 3 inserts valve body 1 inside through valve seat 2 middle parts, and valve seat 2 and flashboard 3 close-fitting sealings, valve gap 6 is located on valve body 1, and with support 7, handwheel 8 is connected successively from bottom to top with 9, lengthening cover, valve seat 2 is provided with groove with flashboard 1 sealing place, on groove, be inlaid with sealing configuration, described sealing configuration is made up of low pressure seal circle 4 and high-pressure seal ring 5, described low pressure seal circle 4 is arranged at high-pressure seal ring 5 tops, the rectangular triangle of cross section, high-pressure seal ring 5 cross sections are rectangular.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should described be as the criterion with the protection domain of claim.

Claims (2)

1. a double-sealing Single Disc Flat Gate Valves, by valve body, valve seat, flashboard, sealing configuration, valve gap, support, handwheel and nigger form, it is characterized in that, valve seat is located in valve body, flashboard inserts valve inner through valve seat middle part, and valve seat and the sealing of flashboard close-fitting, valve gap is located on valve body, and with support, handwheel is connected successively from bottom to top with nigger, valve seat and flashboard sealing place are provided with groove, on groove, be inlaid with sealing configuration, described sealing configuration is made up of low pressure seal circle and high-pressure seal ring, described low pressure seal circle is arranged at high-pressure seal ring top.
2. a kind of double-sealing Single Disc Flat Gate Valves according to claim 1, is characterized in that, as technique scheme preferably, the rectangular triangle of described low pressure seal circle cross section, high-pressure seal ring cross section is rectangular.
CN201420022514.2U 2014-01-14 2014-01-14 Double sealing single flashboard flat plate sluice valve Expired - Fee Related CN203703203U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420022514.2U CN203703203U (en) 2014-01-14 2014-01-14 Double sealing single flashboard flat plate sluice valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420022514.2U CN203703203U (en) 2014-01-14 2014-01-14 Double sealing single flashboard flat plate sluice valve

Publications (1)

Publication Number Publication Date
CN203703203U true CN203703203U (en) 2014-07-09

Family

ID=51053648

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420022514.2U Expired - Fee Related CN203703203U (en) 2014-01-14 2014-01-14 Double sealing single flashboard flat plate sluice valve

Country Status (1)

Country Link
CN (1) CN203703203U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 102600 Beijing city Daxing District Panggezhuang Town Green Road No. 3

Patentee after: BEIJING VALVE GENERAL FACTORY Co.,Ltd.

Address before: 102600 Beijing city Daxing District Panggezhuang Town Green Road No. 3

Patentee before: BEIJING VALVE GENERAL FACTORY GROUP Co.,Ltd.

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

Granted publication date: 20140709

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