CN209196154U - Seal assembly and valve - Google Patents

Seal assembly and valve Download PDF

Info

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
Authority
CN
China
Prior art keywords
valve
filler
sleeve
seal assembly
flap shaft
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.)
Active
Application number
CN201821958787.2U
Other languages
Chinese (zh)
Inventor
丁学峰
李群
蔡雷
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.)
Yancheng Aokai Mingtong Valve Co., Ltd
Original Assignee
Yancheng City Dafeng Okay Fluid Machinery 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 Yancheng City Dafeng Okay Fluid Machinery Co Ltd filed Critical Yancheng City Dafeng Okay Fluid Machinery Co Ltd
Priority to CN201821958787.2U priority Critical patent/CN209196154U/en
Application granted granted Critical
Publication of CN209196154U publication Critical patent/CN209196154U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Lift Valve (AREA)

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

Seal assembly and valve
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.
CN201821958787.2U 2018-11-26 2018-11-26 Seal assembly and valve Active CN209196154U (en)

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)

Similar Documents

Publication Publication Date Title
CN105508720A (en) Corrugated pipe stop valve for photo-thermal electricity generation fused salt
CN209196154U (en) Seal assembly and valve
CN205937894U (en) Corrugated pipe stop valve for chlorine
CN208919359U (en) Block valve
CN209041732U (en) A kind of oil equipment control valve for preventing from arbitrarily opening
CN103398201A (en) High-temperature and high-pressure stop valve with Y-shaped threaded connection valve body
CN212501179U (en) High viscosity filling valve body device
CN207421370U (en) Gate valve structure and fluid cut-off device
CN209196270U (en) Driving assembly and valve
CN204004559U (en) A kind of sampling T-way valve
CN209385660U (en) A kind of novel valve convenient for connection rubber tube
CN202441928U (en) Y-shaped multifunctional valve
CN208687003U (en) A kind of ball valve of replaceable sealing structure
CN203477332U (en) Self-sealing stop valve
CN207539351U (en) Flap and shut-off valve
CN109210266A (en) A kind of oil equipment control valve for preventing from arbitrarily opening
CN207229843U (en) It is a kind of to fix hinged check valve
CN206754394U (en) A kind of novel telescopic dish valve gear
CN207049345U (en) Fluorine-lined flange, to pressing from both sides dual-purpose butterfly valve
CN210014038U (en) High-sealing electric valve
CN109654276A (en) A kind of dark valve of built-in stainless steel card pressure
CN212616369U (en) Eccentric butterfly valve
CN220396498U (en) Actuating mechanism for regulating valve
CN209180371U (en) A kind of two-port is detachable to be convenient for connecting-type Pipe end valve
CN205207705U (en) Disk seat of eccentric butterfly valve

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