CN209196154U - Seal assembly and valve - Google Patents
Seal assembly and valve Download PDFInfo
- Publication number
- CN209196154U CN209196154U CN201821958787.2U CN201821958787U CN209196154U CN 209196154 U CN209196154 U CN 209196154U CN 201821958787 U CN201821958787 U CN 201821958787U CN 209196154 U CN209196154 U CN 209196154U
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- valve
- filler
- sleeve
- seal assembly
- flap shaft
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Abstract
The utility model provides a kind of seal assembly and valve, is related to the technical field of valve, including sleeve;The sleeve is set in the outside of flap shaft for being fixed on valve deck, and the first cavity is provided in the sleeve, is provided with the second filler between first cavity and the flap shaft;It is provided with intermediate press plate on second filler, the first filler is provided on the intermediate press plate.Seal assembly and valve provided by the utility model have good leakproofness, can satisfy the higher requirement used of pipeline working condition requirement leakproofness, and have the advantages that at low cost and manufacture difficulty compared to the valve used now.
Description
Technical field
The utility model relates to the technical fields of valve, more particularly, to a kind of seal assembly and valve.
Background technique
Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, pressure stabilizing, shunting
Or the functions such as overflow pressure relief.
It is each used in from simplest shut-off valve to extremely complex robot control system(RCS) for the valve of fluid control systems
Kind valve, kind and specification are quite various.Valve can be used for controlling empty gas and water, steam, various corrosive medias, mud, oil
The flowing of the various types fluid such as product, liquid metal and radiating medium.
In existing valve, valve deck closed valve is usually utilized, is sealed valve cap since flap shaft stretches out valve body by valve deck
Filler is arranged in gap between flap shaft usually between valve deck and flap shaft.
However, the filler between valve deck and flap shaft will receive low temperature stream when passing through cryogen for a long time in valve
The influence of body is easy to cause filler to fail so that the temperature of filler constantly reduces, the sealing performance decline of valve.
Valve rod and packing seal are so that filler is held valve rod tightly to the pressure of filler to realize by pressing sleeve (plate).Pass through increase
Pressing sleeve can increase leakproofness to the pressure or change filling-material structure material of filler.
And pipeline operating condition is more demanding to valve leak, conventional filling-material structure is difficult meet demand.Using special material
Filler will definitely increase cost and manufacture difficulty.
Utility model content
The purpose of this utility model is to provide valves, poor to solve present valve tightness, it is difficult to meet pipeline operating condition
The technical issues of more demanding to valve leak demand.
A kind of seal assembly provided by the utility model, including sleeve;The sleeve is arranged for being fixed on valve deck
It is provided with the first cavity in the outside of flap shaft, the sleeve, is provided between first cavity and the flap shaft
Second filler;
It is provided with intermediate press plate on second filler, the first filler is provided on the intermediate press plate.
Further, it is provided with spacer ring in second filler, for preventing the second filler from deforming and overflowing.
Further, the seal assembly further includes seal receptacle, and the seal receptacle is arranged in the valve deck and the flap
Between axis.
It further, further include intermediate pressing sleeve;
The intermediate press plate, intermediate pressing sleeve and the second filler are set gradually, and the intermediate press plate is fixed with the sleeve,
Second filler is compressed by intermediate pressure set.
Further, it is arranged fluted on the intermediate press plate, the groove is arranged along the flap shaft, and described recessed
The first filler is provided in slot.
Further, the sleeve is an integral structure with the valve deck.
It further, further include top board and upper pressing sleeve, the top board, upper pressing sleeve and the first filler are set gradually, and
The top board is fixed with the sleeve, compresses first filler by upper pressing sleeve.
Further, fixing bolt is provided on the sleeve, the intermediate press plate and the top board are sequentially fixed at
On fixing bolt.
The utility model also provides a kind of valve, including valve deck, valve body, flap shaft and seal assembly described above;
The valve deck is arranged on the valve body, for sealing the valve body;One end of the flap shaft is located at the valve
In vivo, the other end stretches out the valve deck.
It further, further include driving device, the driving device and the flap axis connection.
Seal assembly and valve provided by the utility model have good leakproofness, and it is close to can satisfy pipeline working condition requirement
The higher requirement used of envelope property, and have the advantages that at low cost and manufacture difficulty compared to the valve used now.
Sealed socket sleeve is located in flap shaft, and the sealing effect of seal assembly can be further increased by seal receptacle, sealing
Seat is capable of forming the once sealing to valve deck and flap shaft, and the second filler carries out once sealing again, and the first filler also carries out one
Secondary sealing improves the sealing effect of entire seal assembly.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of valve provided by the embodiment of the utility model;
Fig. 2 is the partial enlarged view of the A of valve shown in FIG. 1;
Fig. 3 is the partial enlarged view of the B of valve shown in FIG. 1;
Fig. 4 is the structural schematic diagram of the driving device of valve shown in FIG. 1.
Icon: 100- driving device;200- valve body;300- valve deck;400- sleeve;500- flap shaft;600-
Two fillers;700- spacer ring;Pressing sleeve among 800-;900- intermediate press plate;110- top board;The upper pressing sleeve of 120-;130-
One filler;140- handwheel.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
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" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As Figure 1-Figure 4, a kind of seal assembly provided by the utility model, including sleeve 400;The sleeve 400 is used
In being fixed on valve deck 300, and it is set in the outside of flap shaft 500, the first cavity is provided in the sleeve 400, described
The second filler 600 is provided between first cavity and the flap shaft 500;
It is provided with intermediate press plate 900 on second filler 600, is provided with first on the intermediate press plate 900
Filler 130.
In some embodiments, sleeve 400 is fixed on valve deck 300, and flap shaft 500 is located in sleeve 400, in sleeve
There is the second filler 600 in the first cavity in 400, intermediate press plate 900 can apply pressure to the second filler 600, thus
Make 600 deformation expansion of the second filler, holds the requirement that flap shaft 500 reaches sealing tightly.
The material of second filler 600 and the first filler 130 can be graphite.
It is provided with the first filler 130 on intermediate press plate 900, to realize that double fillers are sealed, improves leakproofness, makes
Its demand used that can satisfy the higher valve of pipeline working condition requirement leakproofness, and relative to present pipeline operating condition high sealing
Valve, have lower cost, it is easier to manufacture.
Based on the above embodiment on basis, further, it is provided with spacer ring 700 in second filler 600, for preventing
The only deformation of the second filler 600 and spilling.
It is provided with spacer ring 700 in the second filler 600, this spacer ring 700 keeps shape of second filler 600 in the first cavity
State prevents filler from failing, and improves sealing performance, and can divide equally axial compressive force, it is ensured that whole circumference face uniform force, while
Flap shaft 500 is able to maintain in turning course in center, prevents filler radial force uneven and extrusion abrasion.
Based on the above embodiment on basis, further, the seal assembly further includes seal receptacle, and the seal receptacle is set
It sets between the valve deck 300 and the flap shaft 500.
In some embodiments, sealed socket sleeve is located in flap shaft 500, can further increase sealing group by seal receptacle
The sealing effect of part, seal receptacle are capable of forming the once sealing to valve deck 300 and flap shaft 500, and the second filler 600 carries out again
Once sealing, the first filler 130 also carry out once sealing, improve the sealing effect of entire seal assembly.
It further include intermediate pressing sleeve 800 further based on the above embodiment on basis;
The intermediate press plate 900, intermediate pressing sleeve 800 and the second filler 600 are set gradually, and the intermediate press plate 900 with
The sleeve 400 is fixed, compresses second filler 600 by intermediate pressing sleeve 800.
In some embodiments, 900 pairs of intermediate press plate intermediate pressing sleeves 800 press, and intermediate pressing sleeve 800 acts on the second filler
On 600, the material of the second filler 600 is graphite;Meeting deformation expansion is held after graphite applies pressure, is reached to hold flap shaft 500 tightly
To the requirement of sealing.
Based on the above embodiment on basis, further, fluted, the groove is set on the intermediate press plate 900
It is arranged along the flap shaft 500, and is provided with the first filler 130 in the groove.
First filler 130 is located on intermediate press plate 900, fluted on intermediate press plate 900, this groove is along flap shaft
500 are provided with one week;When the first filler 130 is under pressure, flap shaft 500 can be held tightly to play the role of sealing.
Based on the above embodiment on basis, further, the sleeve 400 is an integral structure with the valve deck 300.
It further include top board 110 and upper pressing sleeve 120, the top board further based on the above embodiment on basis
110, upper pressing sleeve 120 and the first filler 130 are set gradually, and the top board 110 and the sleeve 400 are fixed, pass through upper pressure
Set 120 compresses first filler 130.
In some embodiments, the upward pressing sleeve 120 of top board 110 applies pressure, and upper pressing sleeve 120 pushes down the first filler 130,
The first filler 130 is compressed to realize.
Based on the above embodiment on basis, further, fixing bolt, the centre are provided on the sleeve 400
Pressing plate 900 and the top board 110 are sequentially fixed on fixing bolt.
The fixing bolt can be slip-knot bolt.
In some embodiments, be provided with fixing bolt on sleeve 400, fixing bolt at least there are two, intermediate press plate 900
On be provided with perforation, fixing bolt passes through intermediate press plate 900, fastening nut is provided on fixing bolt, to make intermediate pressure
Plate 900, which is remained to intermediate pressing sleeve 800, applies pressure.
It is also equipped with perforation on top board 110, fixing bolt is after being punched through of top board 110, then in fixing bolt
Upper installation fastening nut, generating top board 110 is the pressure of first filler 130 of the upper compression of pressing sleeve 120.
The utility model also provides a kind of valve, including valve deck 300, valve body 200, flap shaft 500 and described above close
Sealing assembly;
The valve deck 300 is arranged on the valve body 200, for sealing the valve body 200;The one of the flap shaft 500
End is located in the valve body 200, and the other end stretches out the valve deck 300.
In some embodiments, valve applies this seal assembly, and valve deck 300 is arranged on valve body 200, which sets
It sets on valve deck 300,500 one end of flap shaft is located in valve body 200 to be connect with flap, and the other end is stretched out from valve deck 300.
Sealing ring is provided between valve body 200 and valve deck 300;Sealing ring can effectively play the effect of sealing;It prevents from being situated between
Matter leaks between valve body 200 and valve deck 300.
It further include driving device 100 further based on the above embodiment on basis, the driving device 100 and institute
State the connection of flap shaft 500.
Driving device 100 can be handwheel 140 or driving motor, rotate flap shaft 500, to realize the tune of flow
Section;When the medium of conveying is the security mediums such as water, driving device 100 can be using the nearly body operation of the needs such as handwheel 140
Driving device 100;When valve is sufficiently large or the medium of conveying has certain risk, driven using driving motor
Dynamic flap shaft 500 is conducive to the safety for protecting operator in this way.
A variety of kinds of drive can be used in the control of valve, such as manually, electrically, surge, pneumatically, turbine, electromagnetic driven, electromagnetic liquid
Dynamic, electro-hydraulic dynamic, air-or liquid-operated, spur gear, umbrella tooth wheel drive etc.;It can be in the effect of pressure, temperature or other forms transducing signal
Under, it is acted by scheduled requirement, or do not depend on transducing signal and simply opened or closed, valve is by driving or certainly
Motivation structure goes up and down opening and closing element, slides, swing or rotary motion, to change the size of its flow area to realize its control
Function.
The motion mode of flap shaft 500 has elevating lever-type, and flap shaft 500 is gone up and down, and handwheel 140 is not gone up and down;Also lifting revolves
Rotation and lifting, nut are arranged on valve body 200 together for rotating rod type, handwheel 140 and flap shaft 500.
The lifting of flap shaft 500 is realized by the handwheel 140 being arranged in flap shaft 500;Handwheel 140 can also pass through snail
Worm and gear connects valve rod, and the setting direction of such handwheel 140 can be side, when in use, facilitate rotation hand wheel 140.
General valve and other pipelines use flanged joint;It can also make to folder connection, butt welding connection, be threadedly coupled, card
Cover the types of attachment such as connection, clamp connection.
Flanged joint includes smooth formula, the valve not high for pressure.It processes more convenient;It is lenticular, operating pressure compared with
Height, can be used in hard packing, tongue and groove can use wide, sealing effect with biggish washer is plastically deformed in corrosive media
Fruit is preferable, ring joint: make washer with oval metal ring, is used in operating pressure >=64 kg/cms valve, or
High temperature valve.
Seal assembly and valve provided by the utility model have good leakproofness, and it is close to can satisfy pipeline working condition requirement
The higher requirement used of envelope property, and have the advantages that at low cost and manufacture difficulty compared to the valve used now.
Sealed socket sleeve is located in flap shaft 500, and the sealing effect of seal assembly can be further increased by seal receptacle, close
Envelope seat is capable of forming the once sealing to valve deck 300 and flap shaft 500, and the second filler 600 carries out once sealing again, and first fills out
Material 130 also carries out once sealing, improves the sealing effect of entire seal assembly, enables the valve for being equipped with this seal assembly
Meet pipeline operating condition and higher the needs of using is required to leakage, reduces the cost of pipeline operating condition high request leakproofness valve, drop
The production difficulty of low such valve.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of seal assembly, which is characterized in that including sleeve;The sleeve is set in flap for being fixed on valve deck
The outside of axis is provided with the first cavity in the sleeve, is provided with second between first cavity and the flap shaft and fills out
Material;
It is provided with intermediate press plate on second filler, the first filler is provided on the intermediate press plate.
2. seal assembly according to claim 1, which is characterized in that spacer ring is provided in second filler, for preventing
The only deformation of the second filler and spilling.
3. seal assembly according to claim 2, which is characterized in that the seal assembly further includes seal receptacle, described close
Seat is sealed to be arranged between the valve deck and the flap shaft.
4. seal assembly according to claim 1, which is characterized in that further include intermediate pressing sleeve;
The intermediate press plate, intermediate pressing sleeve and the second filler are set gradually, and the intermediate press plate is fixed with the sleeve, is passed through
Intermediate pressure set compresses second filler.
5. seal assembly according to claim 4, which is characterized in that be arranged on the intermediate press plate it is fluted, it is described recessed
Slot is arranged along the flap shaft, and is provided with the first filler in the groove.
6. seal assembly according to claim 1, which is characterized in that the sleeve is an integral structure with the valve deck.
7. seal assembly according to claim 1, which is characterized in that it further include top board and upper pressing sleeve, the top board,
Upper pressing sleeve and the first filler are set gradually, and the top board is fixed with the sleeve, are compressed described first by upper pressing sleeve and are filled out
Material.
8. seal assembly according to claim 7, which is characterized in that be provided with fixing bolt on the sleeve, it is described in
Between pressing plate and the top board be sequentially fixed on fixing bolt.
9. a kind of valve, which is characterized in that including valve deck, valve body, flap shaft and the described in any item sealings of claim 1-8
Component;
The valve deck is arranged on the valve body, for sealing the valve body;One end of the flap shaft is located in the valve body,
The other end stretches out the valve deck.
10. valve according to claim 9, which is characterized in that it further include driving device, the driving device and the valve
Valve axis connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821958787.2U CN209196154U (en) | 2018-11-26 | 2018-11-26 | Seal assembly and valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821958787.2U CN209196154U (en) | 2018-11-26 | 2018-11-26 | Seal assembly and valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209196154U true CN209196154U (en) | 2019-08-02 |
Family
ID=67426103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821958787.2U Active CN209196154U (en) | 2018-11-26 | 2018-11-26 | Seal assembly and valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209196154U (en) |
-
2018
- 2018-11-26 CN CN201821958787.2U patent/CN209196154U/en active Active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 224000 Economic Development Zone of Dafeng City, Yancheng City, Jiangsu province (road south of the Yellow Sea, Da Qi Lu Xi) Patentee after: Yancheng Aokai Mingtong Valve Co., Ltd Address before: 224000 Economic Development Zone of Dafeng City, Yancheng City, Jiangsu province (road south of the Yellow Sea, Da Qi Lu Xi) Patentee before: Yancheng City Dafeng okay Fluid Machinery Co. Ltd. |
|
CP01 | Change in the name or title of a patent holder |