CN2169741Y - double-sealing gas special valve - Google Patents
double-sealing gas special valve Download PDFInfo
- Publication number
- CN2169741Y CN2169741Y CN 93216023 CN93216023U CN2169741Y CN 2169741 Y CN2169741 Y CN 2169741Y CN 93216023 CN93216023 CN 93216023 CN 93216023 U CN93216023 U CN 93216023U CN 2169741 Y CN2169741 Y CN 2169741Y
- Authority
- CN
- China
- Prior art keywords
- valve
- screw rod
- loam cake
- circle
- double
- 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
Links
- 238000007789 sealing Methods 0.000 title claims description 12
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000003566 sealing material Substances 0.000 claims abstract description 11
- 239000000567 combustion gas Substances 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229920002449 FKM Polymers 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model provides a double containment gas special valve belongs to a gas special valve. Various valves sold in the market at present have the problems of leakage, easy damage of sealing materials and incapability of cleaning valve ports to different degrees. The utility model discloses put at valve body one side central point and be equipped with the mouth that cleans, the valve circle adopts the dicyclo structure, and the pressure valve contact surface sets up the soft sealing material of two kinds of different materials, and the spring card is between pressure valve and screw rod. Because the valve ring with the double-ring structure and two different sealing materials are adopted, the valve is closed in sequence by utilizing the difference of hardness and elasticity of the valve ring and the two different sealing materials, and the purpose of no leakage is achieved; the spring device can play a role in buffering when the air pressing valve contacts the valve port, and can balance and adjust the force, so that the air pressing valve is in overall contact with the valve port, and the valve port can be cleaned in real time by the additionally arranged cleaning port.
Description
The utility model belongs to a kind of combustion gas special valve.
The combustion gas special valve of Xiao Shouing has stopcock, ball valve, butterfly valve, stop valve, gate valve etc. in the market.Stop valve, gate valve adopt hard sealing, and sealing surface wear is serious with scratch, easily seepage; Though stopcock, ball valve, butterfly valve adopt soft seal, what their sealing material in use was subjected to is to reverse friction, thereby also easily causes valve leak.Existing in addition combustion gas special valve is not all offered clean out, and causing long-pendingly around the valve body valve port of long-term use has many dirts and residue, influences the normal use of valve.
The purpose of this utility model is to provide a kind of good seal performance, and sealing surface wear and scratch are not serious, and the double-sealing combustion gas special valve of easy cleaning.
Technical solution of the present utility model is: double-sealing combustion gas special valve comprises bottom, valve body, loam cake, valve circle, drive system etc., bottom, valve body, loam cake connect into an integral body by bolt, the loam cake lower edge has a trough of belt cylindrical shell, valve body one side central position is provided with clean out, one trapezoidal dividing plate is arranged in the valve body, open a screw on trapezoidal plate, its axis is vertical with turnover gas direction, and the valve circle of twin nuclei is threaded onto on the screw.Described drive system comprises handwheel, screw rod, spring, pressure valve etc., pressure valve is arranged on valve circle top, loam cake lower edge cylindrical shell inboard, screw front end inserts in the pressure valve endoporus, spring clip is between the packing ring and pressure valve end face that are placed on the screw rod, handwheel is axially fixed in the loam cake top, and the screw rod tail end is threaded onto in the screw rod cover that is connected with handwheel.Its surface of contact of described pressure valve is provided with the soft sealing material of two kinds of unlike materials, the material that elasticity coefficient is big is corresponding with valve circle endocyclic position, the material that elasticity coefficient is little is corresponding with the outer ring position of valve circle, and the material that elasticity coefficient is big slightly protrudes in the little material of elasticity coefficient, and the material that promptly elasticity coefficient is big contacts with the valve circle earlier.
Described double-sealing combustion gas special valve has the groove that parallels to the axis on the screw rod, other has a bolt one end to be fixed on to cover, and the other end is inserted in the groove.
Using process of the present utility model is: establishing valve port is the breakdown state.The turn handwheel, by screw thread extruding make screw rod drive pressure valve to the valve port direction from moving, utilize spring force that pressure valve can be contacted with the valve circle to uniform and stable, at first be loop contacts in big soft sealing material of elasticity coefficient and the valve circle, reached this moment closes purpose, dirty foreign material is arranged and influenced closing of valve as valve port, be rotated further handwheel this moment, the sealing material continuation compression that interior ring is big with elasticity coefficient, the material that outer shroud and elasticity coefficient are little seals by force, to reach the purpose of not leaking.
The utility model utilizes their hardness, flexible difference owing to adopted the valve circle of twin nuclei and the soft sealing material of two kinds of unlike materials, and the descending throttle down successively of elasticity coefficient reaches the purpose of not leaking; Because screw rod is provided with the groove that parallels to the axis, an end is fixed on the bolt the other end that covers and is inserted in the groove, can guarantee that then screw rod can only carry out reciprocal straight line motion, thereby reverses friction and be converted into the extruding friction valve port is issuable; The trough of belt cylindrical shell of loam cake lower edge can guarantee that pressure valve moves exactly along the guiding of cylindrical shell; Use spring assembly, can play buffer function when valve port contact seal material, thereby the protection sealing material is unlikely to damage, spring is adjustment strength automatically also, makes pressure valve and valve port comprehensive engagement; The clean out of setting up can in time clean dirt and the residue around the valve port, and valve is normally used.
Accompanying drawing is the utility model structural representation.
The utility model is described in further detail below in conjunction with accompanying drawing.
Double-sealing combustion gas special valve comprises bottom 3, valve body 5, loam cake 6, drive system etc., and bottom 3, valve body 5, loam cake 6 connect to integral body by bolt 17.The cylindrical shell 18 of loam cake 6 lower edges one trough of belt, cylindrical shell 18 stretches in the valve body 5.Valve body 5 one side central positions are provided with clean out 4, one trapezoidal dividing plate 1 is arranged in the valve body 5, open screw on trapezoidal plate 1, its axis is vertical with turnover gas direction, the valve circle 2 of twin nuclei is threaded onto on the screw, and the valve circle 2 of described twin nuclei is exactly that the valve port of valve circle 2 is the outstanding ring-type of twice.Described drive system comprises handwheel 8, screw rod 7, spring 16, pressure valve 20 etc., pressure valve 20 is arranged on valve circle 2 tops, loam cake 6 lower edge cylindrical shells 18 inboards, pressure valve 20 surface of contact process " recessed " shape depression, make polytetrafluoroethylplastic plastic 21 circular, viton 22 is made round pie, insert successively, rubber 22 is embedded in the plastics 21, rubber 22 is corresponding with valve circle 2 endocyclic positions, plastics 21 are corresponding with valve circle 2 outer ring positions, and rubber 22 slightly protrudes in plastics 21, and pressing plate 23 compresses them by screw.Sealing nut 14 is threaded onto on the loam cake 6, and screw rod cover 11 is inserted in loam cake 6 apical pores, and after handwheel 8 was locked with screw rod cover 11 usefulness key pins 10, nut 9 was axially fixed in loam cake 6 tops with them.Screw rod 7 passes sealing nut 14 backs one end and is threaded onto in the screw rod cover 11, after the other end of screw rod 7 overlaps upper gasket 15, spring 16, its is inserted in the endoporus of pressure valve 20, spring retainer 19 is set on pressure valve 20, the groove 12 that parallels to the axis is arranged on the thread section of screw rod 7, bolt 13 1 ends are fixed on the loam cake 6, and an end is inserted in the groove 12.
Claims (2)
1, double-sealing combustion gas special valve comprises bottom (3), valve body (6), loam cake (6), valve circle (2), drive system etc., it is characterized in that: bottom (3), valve body (5), loam cake (6) connects into an integral body by bolt (17), loam cake (6) lower edge has a trough of belt cylindrical shell (18), valve body (5) one side central positions are provided with clean out (4), on the trapezoidal dividing plate (1) screw is arranged in the valve body (5), its axis is vertical with turnover gas direction, the valve circle (2) of twin nuclei is threaded onto on the screw, described drive system comprises handwheel (8), screw rod (7), spring (16), pressure valve (20) etc., pressure valve (20) is arranged on valve circle (2) top, loam cake (6) lower edge cylindrical shell (18) inboard, screw rod (7) front end inserts in pressure valve (20) endoporus, spring (16) is stuck between the packing ring (15) and pressure valve (20) end face that is placed on the screw rod (7), handwheel (8) is axially fixed in loam cake (6) top, screw rod (7) tail end is threaded onto in the screw rod cover (11) that is connected with handwheel (8), its surface of contact of described pressure valve (20) is provided with the soft sealing material of two kinds of unlike materials, the material that elasticity coefficient is big (22) is corresponding with valve circle (2) endocyclic position, material that elasticity coefficient is little (21) and valve circle (] 2) outer ring position is corresponding, and the big material (22) of elasticity coefficient slightly protrudes in the little material of elasticity coefficient (21).
2, according to the described double-sealing combustion gas of claim 1 special valve, it is characterized in that: the groove (12) that parallels to the axis is arranged on the screw rod (7), and bolt (13) one ends are fixed on the loam cake (6), and the other end is inserted in the groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93216023 CN2169741Y (en) | 1993-06-25 | 1993-06-25 | double-sealing gas special valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93216023 CN2169741Y (en) | 1993-06-25 | 1993-06-25 | double-sealing gas special valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2169741Y true CN2169741Y (en) | 1994-06-22 |
Family
ID=33796326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93216023 Expired - Fee Related CN2169741Y (en) | 1993-06-25 | 1993-06-25 | double-sealing gas special valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2169741Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078329C (en) * | 1996-03-12 | 2002-01-23 | 蓝治成 | Coaxial double-sealing base-plate valve |
| US8985141B2 (en) | 2004-12-15 | 2015-03-24 | Toyota Jidosha Kabushiki Kaisha | Pressure regulating valve |
| CN118998341A (en) * | 2024-10-21 | 2024-11-22 | 浙江瑞通阀门有限公司 | Full-sealing gas gate valve |
-
1993
- 1993-06-25 CN CN 93216023 patent/CN2169741Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078329C (en) * | 1996-03-12 | 2002-01-23 | 蓝治成 | Coaxial double-sealing base-plate valve |
| US8985141B2 (en) | 2004-12-15 | 2015-03-24 | Toyota Jidosha Kabushiki Kaisha | Pressure regulating valve |
| CN118998341A (en) * | 2024-10-21 | 2024-11-22 | 浙江瑞通阀门有限公司 | Full-sealing gas gate valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |