CN208651791U - A kind of valve packing sealing structure - Google Patents
A kind of valve packing sealing structure Download PDFInfo
- Publication number
- CN208651791U CN208651791U CN201820693149.6U CN201820693149U CN208651791U CN 208651791 U CN208651791 U CN 208651791U CN 201820693149 U CN201820693149 U CN 201820693149U CN 208651791 U CN208651791 U CN 208651791U
- Authority
- CN
- China
- Prior art keywords
- packing ring
- gland
- ring
- packing
- 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
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Abstract
The utility model relates to a kind of valve packing sealing structures, including valve rod, gland flange, gland, gland nut, gland stud；Valve rod has been symmetrical set gland flange, and gland flange connects the gland by gland stud, and gland stud connects the gland nut；Sealing device is equipped between valve rod and the gland flange；Sealing device includes packing ring, and packing ring includes the first packing ring, the second packing ring and third packing ring；Filler spacer ring is equipped between adjacent packing ring, between first packing ring and third packing ring, the upper surface of first packing ring bonding pad phantom ring, the filler phantom ring is connected the second packing ring with the gland flange；The lower section of gland flange is equipped with spring, and spring prolongs the two sides for being arranged perpendicular to the valve rod direction, and being located at the valve rod, and the lower section of spring is equipped with indicator board, and spring is connect with the gland stud.
Description
Technical field
The utility model belongs to valve seal technical field more particularly to a kind of valve packing sealing structure.
Background technique
Valve is that petroleum, chemical industry, power station, long-distance transport pipes, papermaking, nuclear industry, various cryogenic engineerings, aerospace and ocean are adopted
Control unit in the fluid delivery systems such as oil has water conservancy diversion, cut-off, adjusting, throttles, prevent adverse current, shunt, overflow pressure or pressure release
Etc. functions.Valve can be used for controlling empty gas and water, steam, various aggressive chemistry media, mud, oil product, liquid metal and radiation
The flowing of the various types fluids such as property fluid.The operating pressure of valve can be from vacuum to 1000MPa, and operating temperature is from -269 DEG C
Ultralow temperature to 1430 DEG C of high temperature.
The seal form of coal oil chemical field valve usually has the forms such as packing seal and the wavy metal seal of tube.
Valve packing is as valve sealing device, for guaranteeing the hairs such as medium does not leak outside, system is safe and operates normally
Wave important function.Common valve packing has polytetrafluoroethylene (PTFE), soft graphite etc., however polytetrafluoroethylene (PTFE) is generally used for temperature not
Mixture condition more than 200 DEG C, hot conditions flexible graphite packing using more, such as in thermoelectricity power station, power plant for self-supply etc.
Industry high temperature steam pipeline valve etc..However for medium for high temperature and with mordant special operation condition, although graphite packing
It is resistant to higher temperature, however graphite is easy to be oxidized under hot conditions, and oxidizing corrosion occurs.For other resistance to
High-temperature material, and can be resistant to the filler of dielectric corrosion, such as vermiculite filler and mica filler, vermiculite filler and mica filler hold very much
It is easily soluble in water.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of valve packing sealing structure.
The utility model solves its technical problem and adopts the following technical solutions to achieve:
A kind of valve packing sealing structure, it is characterised in that: including valve rod, gland flange, gland, gland nut,
Gland stud；The valve rod has been symmetrical set gland flange, and the gland flange is connected by the gland stud
The gland is connect, the gland stud connects the gland nut；It is set between the valve rod and the gland flange
There is sealing device；The sealing device includes packing ring, and the packing ring includes that the first packing ring, the second packing ring and third are filled out
Expect ring；Filler spacer ring is equipped between adjacent packing ring, second packing ring is located at first packing ring and third packing ring
Between, first packing ring, second packing ring and the third packing ring prolong to be arranged successively on valve rod vertical direction,
First packing ring is close to the gland flange, the upper surface of described first packing ring bonding pad phantom ring, the filler with
Rotating ring is connected with the gland flange；First packing ring and third packing ring are composite filling ring, second packing ring
For carbon packing ring；The lower section of the gland flange is equipped with spring, and the spring prolongs to be arranged perpendicular to the valve rod direction, and position
In the two sides of the valve rod, the lower section of the spring is equipped with indicator board, is used to indicate the pressure that spring is born, the bullet
Spring is connect with the gland stud.
In some embodiments of the utility model, the outside of the packing ring is equipped with and the matched guide sleeve of packing ring.
In some embodiments of the utility model, matrix liner is equipped between the guide sleeve and the packing ring.
In some embodiments of the utility model, the sealing device is additionally provided with detection device, and the detection device is prolonged
Horizontal direction straight cutting is to stem internal.
In some embodiments of the utility model, the detection device is temperature measuring equipment, and is located at second filler
Below ring.
In some embodiments of the utility model, first packing ring, second packing ring are filled out with the third
Expect that the diameter of ring is identical.
In some embodiments of the utility model, on the vertical direction of first packing ring and the third packing ring
Length it is identical；Length on the second packing ring vertical direction is less than the length on the first packing ring vertical direction.
In some embodiments of the utility model, on the vertical direction of first packing ring and second packing ring
Length it is identical；Length on the third packing ring vertical direction is less than the length on the first packing ring vertical direction.
In some embodiments of the utility model, first packing ring, second packing ring are filled out with the third
Expect that the length ratio on the vertical direction of ring is 1:1:0.4~0.6
The advantages and positive effects of the utility model are as follows:
A kind of valve packing sealing structure provided by the utility model, by design, adjustment and optimization sealing device
The type and arrangement mode of packing ring, guarantee valve tightness in different environments.
Detailed description of the invention
The technical solution of the utility model is described in further detail below with reference to drawings and examples, still
It should be known that these attached drawings are designed for task of explanation, therefore not as the restriction of the scope of the utility model.In addition,
Unless otherwise indicated, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to carry out to scale
It draws.
Fig. 1 is the schematic diagram of the utility model
In figure:
1, valve rod 2, gland flange 3, gland
4, gland nut 5, gland stud 6, sealing device
7, the first packing ring 8, the second packing ring 9, third packing ring
10, filler phantom ring 11, spring 12, stuffing box ring
13,14. indicator board of detection device
Specific embodiment
Firstly, it is necessary to which explanation, illustrates the specific structure, feature of the utility model for by way of example below
With advantage etc., however what all descriptions were intended merely to be illustrated, and should not be construed as forming the utility model and appoint
What is limited.In addition, any single technical characteristic for being described by or implying in each embodiment mentioned by this paper, or it is shown
Or implicit any single technical characteristic in the drawings, still can continue between these technical characteristics (or its equivalent) into
Row any combination is deleted, to obtain more other embodiments of the utility model that may do not referred to directly herein.
In addition, same or like technical characteristic may be indicated only at one in the same figure for the sake of simplifying drawing.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, in addition, term " includes " and " having " and their any deformation, it is intended that covering is not arranged
His includes, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to clearly
Those of list step or unit, but may include be not clearly listed or for these process, methods, product or equipment
Intrinsic other step or units.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
The utility model just is illustrated in conjunction with Fig. 1 below.
A kind of valve packing sealing structure, it is characterised in that: including valve rod 1, gland flange 2, gland 3, gland spiral shell
Female 4, gland stud 5；The valve rod has been symmetrical set gland flange 2, and the gland flange 2 passes through the gland
Bolt 5 connects the gland 3, and the gland stud 5 connects the gland nut 4；The valve rod 1 and the gland
Sealing device is equipped between flange 2；The sealing device 6 includes packing ring, and the packing ring includes the first packing ring 7, second
Packing ring 8 and third packing ring 9；Filler spacer ring is equipped between adjacent packing ring, second packing ring is located at described first and fills out
Expect between ring and third packing ring, it is perpendicular that first packing ring, second packing ring and the third packing ring prolong valve rod
Histogram is arranged successively upwards, and first packing ring is close to the gland flange 2, the upper surface of described first packing ring bonding pad
Phantom ring 10, the filler phantom ring are connected with the gland flange；First packing ring and third packing ring are that combination is filled out
Expect that ring, second packing ring are carbon packing ring；The lower section of the gland flange is equipped with spring 11, and the spring 11 prolongs vertically
It is arranged in the valve rod direction, and is located at the two sides of the valve rod, the lower section of the spring is equipped with indicator board 14, for referring to
Show the pressure that spring is born, the spring 11 is connect with the gland stud 5.
In some embodiments of the utility model, the outside of the packing ring is equipped with and the matched guide sleeve of packing ring.
In some embodiments of the utility model, matrix liner is equipped between the guide sleeve and the packing ring.
In some embodiments of the utility model, the sealing device is additionally provided with detection device 13, the detection device
Prolong horizontal direction straight cutting to stem internal.
In some embodiments of the utility model, the detection device is temperature measuring equipment, and is located at second filler
Below ring.
In some embodiments of the utility model, first packing ring, second packing ring are filled out with the third
Expect that the diameter of ring is identical.
In some embodiments of the utility model, on the vertical direction of first packing ring and second packing ring
Length it is identical；Length on the third packing ring vertical direction is less than the length on the first packing ring vertical direction.
In some embodiments of the utility model, first packing ring, second packing ring are filled out with the third
Expect that the length ratio on the vertical direction of ring is 1:1:0.4~0.6
In some embodiments of the utility model, stuffing box ring 12 is additionally provided with below the third packing ring.
The utility model is described in detail in above embodiments, but the content is only the preferable reality of the utility model
Example is applied, should not be considered as limiting the scope of the present invention.Equalization made according to the scope of application of this utility model
Variation and improvement etc., should still belong within the patent covering scope of the utility model.
Claims (9)
1. a kind of valve packing sealing structure, it is characterised in that: including valve rod, gland flange, gland, gland nut, fill out
Expect gland bolt；The valve rod has been symmetrical set gland flange, and the gland flange is connected by the gland stud
The gland, the gland stud connect the gland nut；It is equipped between the valve rod and the gland flange
Sealing device；The sealing device includes packing ring, and the packing ring includes the first packing ring, the second packing ring and third filler
Ring；Filler spacer ring is equipped between adjacent packing ring, second packing ring is located at first packing ring and third packing ring
Between, first packing ring, second packing ring and the third packing ring prolong to be arranged successively on valve rod vertical direction, institute
The first packing ring is stated close to the gland flange, the upper surface of described first packing ring bonding pad phantom ring, the filler is servo-actuated
Ring is connected with the gland flange；First packing ring and third packing ring are composite filling ring, and second packing ring is
Carbon packing ring；The lower section of the gland flange is equipped with spring, and the spring prolongs to be arranged perpendicular to the valve rod direction, and is located at
The two sides of the valve rod, the lower section of the spring are equipped with indicator board, are used to indicate the pressure that spring is born, the spring with
The gland stud connection.
2. a kind of valve packing sealing structure according to claim 1, it is characterised in that: the outside of the packing ring is equipped with
With the matched guide sleeve of packing ring.
3. a kind of valve packing sealing structure according to claim 2, it is characterised in that: the guide sleeve and the filler
Matrix liner is equipped between ring.
4. a kind of valve packing sealing structure according to claim 1, it is characterised in that: the sealing device is additionally provided with inspection
Device is surveyed, the detection device prolongs horizontal direction straight cutting to stem internal.
5. a kind of valve packing sealing structure according to claim 4, it is characterised in that: the detection device is thermometric dress
It sets, and is located at below second packing ring.
6. a kind of valve packing sealing structure according to claim 1, it is characterised in that: first packing ring, described
Second packing ring is identical as the diameter of the third packing ring.
7. a kind of valve packing sealing structure according to claim 1, it is characterised in that: first packing ring with it is described
Length on the vertical direction of second packing ring is identical；Length on the third packing ring vertical direction is less than described first and fills out
Expect the length on ring vertical direction.
8. a kind of valve packing sealing structure according to claim 7, it is characterised in that: first packing ring, described
Length ratio on the vertical direction of second packing ring and the third packing ring is 1:1:0.4~0.6.
9. a kind of valve packing sealing structure according to claim 1, it is characterised in that: below the third packing ring
It is additionally provided with stuffing box ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820693149.6U CN208651791U (en) | 2018-05-10 | 2018-05-10 | A kind of valve packing sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820693149.6U CN208651791U (en) | 2018-05-10 | 2018-05-10 | A kind of valve packing sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651791U true CN208651791U (en) | 2019-03-26 |
Family
ID=65777373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820693149.6U Expired - Fee Related CN208651791U (en) | 2018-05-10 | 2018-05-10 | A kind of valve packing sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116826627A (en) * | 2022-12-12 | 2023-09-29 | 上海百若试验仪器有限公司 | Ultra-high pressure container wire penetrating piece |
-
2018
- 2018-05-10 CN CN201820693149.6U patent/CN208651791U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116826627A (en) * | 2022-12-12 | 2023-09-29 | 上海百若试验仪器有限公司 | Ultra-high pressure container wire penetrating piece |
| CN116826627B (en) * | 2022-12-12 | 2024-01-09 | 上海百若试验仪器有限公司 | Ultra-high pressure container wire penetrating piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |