CN203809717U - Valve - Google Patents
Valve Download PDFInfo
- Publication number
- CN203809717U CN203809717U CN201420235534.8U CN201420235534U CN203809717U CN 203809717 U CN203809717 U CN 203809717U CN 201420235534 U CN201420235534 U CN 201420235534U CN 203809717 U CN203809717 U CN 203809717U
- Authority
- CN
- China
- Prior art keywords
- valve
- flap
- sealing gasket
- stuffing box
- sealing
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 239000004677 Nylon Substances 0.000 claims abstract description 8
- 239000010425 asbestos Substances 0.000 claims abstract description 8
- 239000000835 fiber Substances 0.000 claims abstract description 8
- 229920001778 nylon Polymers 0.000 claims abstract description 8
- 229910052895 riebeckite Inorganic materials 0.000 claims abstract description 8
- 238000012856 packing Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 7
- 239000000945 filler Substances 0.000 abstract description 3
- 239000004809 Teflon Substances 0.000 abstract 1
- 229920006362 Teflon® Polymers 0.000 abstract 1
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
A valve comprises a dustproof ring, a stuffing box, a nylon sealing pad, V-shaped combined filler, a valve cover, a bolt, a non-asbestos fiber sealing pad, a top screw, a valve body, a valve flap flat pad, a teflon sealing pad, a valve flap, a steel ball, a valve rod, an O-shaped ring, a sealing cap, a lubricating oilway, a butterfly gasket, a toothed structure and square holes. The sealing cap is connected to the upper portion of the valve cover through threads. The valve cover is fixed on the valve body through the bolt. The valve rod is mounted inside the valve cover. The valve rod is connected with the valve flap through the steel ball and the top screw. The sealing cap is conical. Two square holes which are vertically communicated are formed in the top end of the sealing cap. The non-asbestos fiber sealing pad is mounted at the connecting gap of the valve cover and the valve body. The nylon sealing pad is mounted at the threaded connection of the sealing cap and the valve cover. The valve is simple in structure, good in sealing performance, convenient to mount and maintain, long in service life and convenient to produce and operate, and great convenience is brought to workers.
Description
Technical field
The utility model relates to pipeline fluid control gear, is specially valve.
Background technique
Conventional valve only has V-type combined packing, and the in the situation that of frequent switch, easily wearing and tearing, produce and leak, and change maintenance trouble, and working life is short, and inconvenient production operation, to workman's very large trouble that arrived.Conventional valve flap adopts embedded structure, easily comes off, and produces and leaks.The valve body of normal welding valve, valve gap are all welded structures, and solder joint, weld seam are many, easily produce defect, occur leaking.
Model utility content
The technical problem that the utility model solves is to provide valve, to solve the shortcoming in above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions:
Valve, comprise dust ring, stuffing box, sealed nylon pad, V-type combined packing, valve gap, bolt, non-asbestos fiber sealing gasket, jackscrew, valve body, flap plain cushion, polytetrafluoro sealing gasket, flap, steel ball, valve rod, O type circle, sealed cap, oil leab, butterfly gasket, tooth-shape structure and cubic hole, described valve gap top has been threaded connection sealed cap, described valve gap is bolted on valve body, described valve gap inside is provided with valve rod, adopts steel ball to be connected with jackscrew between described valve rod and flap.
In the utility model, described valve body is that integral precision casting is made, and valve gap is that overall forging forms.
In the utility model, the connection gap place of described valve gap and valve body is provided with non-asbestos fiber sealing gasket.
In the utility model, the threaded connection place of described sealed cap and valve gap is provided with sealed nylon pad.
In the utility model, described sealed cap is taper, and there are two cubic holes that vertically communicate on described sealed cap top.
In the utility model, between described valve gap and valve rod, stuffing box is installed, described stuffing box top is provided with dust ring, and described stuffing box inner side is provided with O type circle and oil leab, and described stuffing box bottom is provided with V-type combined packing.
In the utility model, described steel ball is arranged in the annular inside groove of flap, and described jackscrew is fixed on the tapped hole place of flap.
In the utility model, described flap bottom is provided with polytetrafluoro sealing gasket, and described polytetrafluoro sealing gasket bottom is provided with butterfly gasket and flap plain cushion, adopts riveted structure riveted joint to form.Described butterfly gasket is arranged between flap plain cushion and polytetrafluoro sealing gasket, and flap lower end surface is provided with tooth-shape structure.
Beneficial effect: the utility model is simple in structure, good seal performance, installation and repairing is convenient, and long service life, facilitates production operation, brings great convenience to workman.
Brief description of the drawings
Fig. 1 is structural drawing of the present utility model;
Fig. 2 is schematic diagram before the assembling of the utility model flap;
Fig. 3 is schematic diagram after the assembling of the utility model flap;
Fig. 4 is the stereogram of sealed cap of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, the structural drawing of valve, valve, comprise dust ring 1, stuffing box 2, sealed nylon pad 3, V-type combined packing 4, valve gap 5, bolt 6, non-asbestos fiber sealing gasket 7, jackscrew 8, valve body 9, flap plain cushion 10, polytetrafluoro sealing gasket 11, flap 12, steel ball 13, valve rod 14, O type circle 15, sealed cap 16, oil leab 17, butterfly gasket 18, tooth-shape structure 19 and cubic hole 20, described valve gap 5 is fixed on valve body 9 by bolt 6, the connection gap place of described valve gap 5 and valve body 9 is provided with non-asbestos fiber sealing gasket 7, described valve gap 5 tops have been threaded connection sealed cap 16, the threaded connection place of described sealed cap 16 and valve gap 5 is provided with sealed nylon pad 3, described sealed cap 16 is taper, adopt die cast, sealed cap 16 is installed under the operating mode that does not need frequent switch, sealed cap 16 is used for replacing the handwheel of conventional valves, can prevent random switch valve, while avoiding valve rod place to have leakage, the too much leakage of medium, avoids loss and security incident.
In the utility model; described valve gap 5 inside are provided with valve rod 14; between described valve gap 5 and valve rod 14, stuffing box 2 is installed; described stuffing box 2 tops are provided with dust ring 1; described dust ring 1 has low coefficient of friction, and the working environment of protection valve rod 14, plays certain seal action; can realize and stop extraneous impurity to enter system, also reduce the abrasion of filler simultaneously.Described stuffing box 2 inner sides are provided with O type circle 15 and oil leab 17, and described stuffing box 2 bottoms are provided with V-type combined packing 4.O type circle 15 and the multi-stage sealed mechanism of V-type combined packing 4, when maintenance, only need pull down stuffing box 2 changes O type circle 2.
In the utility model, between described valve rod 14 and flap 12, adopt steel ball 13 to be connected with jackscrew 8, described steel ball 13 is arranged in the annular inside groove of flap 12, described jackscrew 8 is fixed on the tapped hole place of flap 12, described steel ball 13 can rotate in the annular inside groove of flap 12, and described jackscrew 8 plays the effect of plug to steel ball 13.This ball type connects polytetrafluoro sealing gasket 11 and valve body 9 not relative movement while ensureing that flap 12 is closed, reduces friction, improves 12 working lifes of flap.
In the utility model, rely on the linear sealing at the taper of valve rod 14 and the circular chamfering place of valve gap 5 to ensure down to close, when guarantee replacing filler without dielectric leakage.
Referring to Fig. 2, Fig. 3, schematic diagram before the flap assembling of valve, schematic diagram after the flap assembling of valve, described flap 12 bottoms are provided with polytetrafluoro sealing gasket 11, described polytetrafluoro sealing gasket 11 bottoms are provided with butterfly gasket 18 and flap plain cushion 10, described butterfly gasket 18 is arranged between flap plain cushion 10 and polytetrafluoro sealing gasket 11, described flap plain cushion 10 forms linear sealing with the fillet sealing surface of valve body 9, this being sealed under certain sealing force effect, its seal pressure increases greatly, closely easily reaches sealing.Under the prerequisite of guarantee sealing, to compare with plane sealing, the sealing force applying is less.When certain in the situation that, becoming flexible appears in polytetrafluoro sealing gasket 11, butterfly gasket 18 can discharge all the time potential energy and ensure to compress polytetrafluoro sealing gasket 11, itself and flap 12 are fitted tightly, flap 12 lower end surfaces are provided with tooth-shape structure 19, between flap 12 and polytetrafluoro sealing gasket 11, form labyrinth seal, ensure that medium can be by not leaking between riveted joint place, flap 12 and polytetrafluoro sealing gasket 11.
Referring to Fig. 4, the stereogram of the sealed cap of valve, there is the cubic hole 20 of two different sizes that vertically communicate on described sealed cap 16 tops, and can replace handwheel spin-up valve rod 14, able to turn on or off Multiple Type valve rod, this sealed cap 16 can be common to the valve of Multiple Type.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model, the technician of the industry should understand, the utility model is not restricted to the described embodiments, that in above-described embodiment and specification, describes just illustrates principle of the present utility model, do not departing under the prerequisite of the utility model spirit and scope, the utility model also has various changes and modifications, these changes and improvements all fall within the scope of claimed the utility model, the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. valve, comprise dust ring, stuffing box, sealed nylon pad, V-type combined packing, valve gap, bolt, non-asbestos fiber sealing gasket, jackscrew, valve body, flap plain cushion, polytetrafluoro sealing gasket, flap, steel ball, valve rod, O type circle, sealed cap, oil leab, butterfly gasket, tooth-shape structure and cubic hole, it is characterized in that, described valve gap top has been threaded connection sealed cap, described valve gap is bolted on valve body, described valve gap inside is provided with valve rod, between described valve rod and flap, adopt steel ball to be connected with jackscrew, described sealed cap is taper, there are two cubic holes that vertically communicate on described sealed cap top, the connection gap place of described valve gap and valve body is provided with non-asbestos fiber sealing gasket, the threaded connection place of described sealed cap and valve gap is provided with sealed nylon pad.
2. valve according to claim 1, it is characterized in that, between described valve gap and valve rod, stuffing box is installed, described stuffing box top is provided with dust ring, described stuffing box inner side is provided with O type circle and oil leab, and described stuffing box bottom is provided with V-type combined packing.
3. valve according to claim 1, is characterized in that, described steel ball is arranged in the annular inside groove of flap, and described jackscrew is fixed on the tapped hole place of flap.
4. valve according to claim 1, it is characterized in that, described flap bottom is provided with polytetrafluoro sealing gasket, described polytetrafluoro sealing gasket bottom is provided with butterfly gasket and flap plain cushion, described butterfly gasket is arranged between flap plain cushion and polytetrafluoro sealing gasket, and flap lower end surface is provided with tooth-shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420235534.8U CN203809717U (en) | 2014-05-09 | 2014-05-09 | Valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420235534.8U CN203809717U (en) | 2014-05-09 | 2014-05-09 | Valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203809717U true CN203809717U (en) | 2014-09-03 |
Family
ID=51448467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420235534.8U Expired - Lifetime CN203809717U (en) | 2014-05-09 | 2014-05-09 | Valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203809717U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896110A (en) * | 2015-06-09 | 2015-09-09 | 许炎章 | Stop valve for industrial refrigeration |
| CN104930238A (en) * | 2015-06-09 | 2015-09-23 | 许炎章 | Adjusting valve for industrial refrigerating |
| CN104976356A (en) * | 2015-06-11 | 2015-10-14 | 许炎章 | Right-angled type adjusting stop valve for industrial refrigeration |
| CN104976355A (en) * | 2015-06-10 | 2015-10-14 | 许炎章 | Stop valve for refrigeration equipment |
| CN105090540A (en) * | 2014-05-09 | 2015-11-25 | 吴俊明 | Valve |
| CN105179702A (en) * | 2015-06-10 | 2015-12-23 | 许炎章 | Straight-through type stop valve for refrigerating device |
| CN107101039A (en) * | 2017-04-19 | 2017-08-29 | 诸暨市兰博管业有限公司 | A kind of valve body flow control device |
| WO2019160605A1 (en) * | 2018-02-19 | 2019-08-22 | Parker-Hannifin Corporation | Valve stem and disc carrier assembly |
-
2014
- 2014-05-09 CN CN201420235534.8U patent/CN203809717U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090540A (en) * | 2014-05-09 | 2015-11-25 | 吴俊明 | Valve |
| CN105090540B (en) * | 2014-05-09 | 2018-09-11 | 吴俊明 | Valve |
| CN104896110A (en) * | 2015-06-09 | 2015-09-09 | 许炎章 | Stop valve for industrial refrigeration |
| CN104930238A (en) * | 2015-06-09 | 2015-09-23 | 许炎章 | Adjusting valve for industrial refrigerating |
| CN104976355A (en) * | 2015-06-10 | 2015-10-14 | 许炎章 | Stop valve for refrigeration equipment |
| CN105179702A (en) * | 2015-06-10 | 2015-12-23 | 许炎章 | Straight-through type stop valve for refrigerating device |
| CN104976356A (en) * | 2015-06-11 | 2015-10-14 | 许炎章 | Right-angled type adjusting stop valve for industrial refrigeration |
| CN107101039A (en) * | 2017-04-19 | 2017-08-29 | 诸暨市兰博管业有限公司 | A kind of valve body flow control device |
| WO2019160605A1 (en) * | 2018-02-19 | 2019-08-22 | Parker-Hannifin Corporation | Valve stem and disc carrier assembly |
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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: 20201020 Address after: 213100 room 909, block B, Tianrun science and technology building, Changzhou science and Education City, 18 Wujin Road, Wujin, Changzhou. Patentee after: CAS GYW COLD CHAIN SYSTEM (JIANGSU) Co.,Ltd. Address before: 264200 No. 55 Qilu Road, Weihai economic and Technological Development Zone, Shandong Patentee before: Wu Junming |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |
|
| CX01 | Expiry of patent term |