CN207195734U - A kind of HTHP upper-mounting type ball valve - Google Patents
A kind of HTHP upper-mounting type ball valve Download PDFInfo
- Publication number
- CN207195734U CN207195734U CN201721057335.2U CN201721057335U CN207195734U CN 207195734 U CN207195734 U CN 207195734U CN 201721057335 U CN201721057335 U CN 201721057335U CN 207195734 U CN207195734 U CN 207195734U
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- valve
- valve seat
- spring
- hthp
- valve body
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Abstract
The utility model provides a kind of HTHP upper-mounting type ball valve, more particularly to ball valve technical field, including valve body, bonnet on the valve body, valve rod and executing agency, the inner chamber of the valve body is provided with the spheroid and valve component that sealing coordinates, the valve rod connects the spheroid and the executing agency respectively through the bonnet and both ends, the valve component includes valve seat and the sealing structure on the valve seat, the sealing structure includes the spring bearer plate being sequentially connected, spring and valve seat packing self-sealing structure, the spring bearer plate is movably arranged on the valve seat, the valve seat is provided with the first screwed hole, one end of the spring bearer plate is provided with the external screw thread matched with first screwed hole and inserted in first screwed hole, the valve seat packing self-sealing structure is located in the gap of the valve seat and the valve body.The utility model can be between regulating valve seat and spheroid pretension than pressure, enable spheroid and valve seat better seal.
Description
Technical field
The utility model belongs to ball valve technical field, and in particular to a kind of HTHP upper-mounting type ball valve.
Background technology
Upper-mounting type ball valve is widely used on oil and natural gas pipeline, and oil recovery, oil refining, petrochemical industry, chemical industry, chemical fibre, smelting
In the devices such as gold, electric power, nuclear power, food and papermaking.Upper-mounting type ball valve dismantled on pipeline it is simple rapid, it is easy to maintenance quick.
When valve is when failure needs to repair on pipeline, it is not necessary to valve is dismantled from pipeline, need only dismantle middle flange bolt and spiral shell
Mother, bonnet and valve rod group component are taken off from valve body together, then take out spheroid and valve seat combination part.It can repair online
Spheroid and valve seat.This maintenance saves the time, and the loss in production is bottomed out.But a kind of existing ball valve includes
Spheroid and valve seat, encapsulant is provided between valve seat and spheroid, but the pretension between valve seat and spheroid is than pressing non-adjustable, valve seat
The poor sealing between spheroid.
Formula self sealss ball valve (U of notification number CN 203836266) is filled in patent, discloses dress formula self sealss ball in one kind
Valve, including valve body, valve seat, spheroid, valve rod, bonnet, spheroid are coordinated with sealing surface of seat using hard sealing, and valve seat is using floating type
Structure；Ejection means are provided with mainly between spheroid and valve seat, the ejection means are by throw-out collar, roller, locating shaft, mobile ring group
Into；Ejection means push valve seat open in spheroid rotary course, valve seat is disengaged with spheroid, reach spheroid and valve base sealing
The contactless keying in face, have the advantages that sealing property is reliable, long product lifecycle.Sent out for oil, natural gas and firepower
The high-temperature high pressure valve of the feed water system of boiler of group of motors.But do not solve existing issue.
Therefore be badly in need of it is a kind of being capable of HTHP upper-mounting type ball valve of the pretension than pressure between regulating valve seat and spheroid.
Utility model content
The purpose of this utility model is to provide a kind of HTHP upper-mounting type ball valve, can be between regulating valve seat and spheroid
Pretension enables spheroid and valve seat better seal than pressure.
The utility model provides following technical scheme：
A kind of HTHP upper-mounting type ball valve, including valve body, the bonnet on the valve body, valve rod and executing agency,
The inner chamber of the valve body is provided with the spheroid and valve component that sealing coordinates, and the valve rod connects respectively through the bonnet and both ends
The spheroid and the executing agency, the valve component includes valve seat and the sealing structure on the valve seat, described close
Spring bearer plate, spring and valve seat packing self-sealing structure, the spring bearer plate that seal structure includes being sequentially connected are movably arranged at institute
State on valve seat, the valve seat is provided with the first screwed hole, and one end of the spring bearer plate is provided with to be matched with first screwed hole
External screw thread and insert in first screwed hole, the valve seat packing self-sealing structure is located at the valve seat and the valve body
In gap.The valve rod drives with the spheroid for flat gesture, drives the valve rod to rotate by the executing agency, so as to drive
The spheroid off and on.By rotate the spring bearer plate change the force value of the spring so as to change the valve seat with it is described
Pretension between spheroid makes to seal more preferably between the valve seat and the spheroid than pressure.
Preferably, the valve seat packing self-sealing structure includes valve seat packing press ring closely coupled successively, valve seat filler
Group and valve seat Packing seat, one end of the valve seat packing press ring are provided with spring eye, the spring are provided with the spring eye.Pass through
The valve seat packing press ring is rotated to compress the valve seat filler group, wherein, the spring eye both bore as the spring
The bore for compressing the special spanner of the valve seat filler group for rotating the valve seat packing press ring is also served as simultaneously.The valve seat
Packing seat has certain differential seat angle with the valve seat filler group, when the valve seat Packing seat is pushed to the valve seat by pressure medium
During filler group, it is better that the valve seat filler to both sides struts the more high valve seat filler group sealing effectiveness of pressure medium.
Preferably, the valve seat packing self-sealing structure is key-like structure.
Preferably, accommodating chamber is formed between the valve seat Packing seat and the bottom of the valve body, is provided with the accommodating chamber
Accumulation of energy butterfly spring, the accumulation of energy butterfly spring are connected with the valve seat Packing seat.Specifically described valve seat Packing seat is processed into special knot
Structure forms the accumulation of energy butterfly spring built in an accommodating chamber with the body base, while keeps the accumulation of energy butterfly spring installation site without change
Change, ensure that the accumulation of energy disc spring in high/low temperature alternation and filler service operating mode loss for a long time, is persistently given the valve seat and filled out
Material group is formed with pretightning force and sealed.
Preferably, the valve seat packing press ring is connected through a screw thread with the valve body, the valve seat packing press ring with it is described
The valve seat packing press ring of valve body intersection is respectively equipped with the first screw thread and the second screw thread to match with the valve body.
Preferably, the spring eye is both the bore of the spring and compresses institute for rotating the valve seat packing press ring
State the bore of the special spanner of valve seat filler group.The number of punching can be reduced, reduces processing step.
Preferably, the interior intracavitary of the valve body is provided with fluid passage, and the valve component also includes valve seat anti-rotation coil assembly,
The valve seat anti-rotation coil assembly and the side wall of the fluid passage are integrally formed, and the valve seat anti-rotation coil assembly is provided with the first positioning
Hole, is provided with alignment pin in first positioning hole, and the valve seat is radially arranged the second positioning hole, first positioning hole and described
Second pilot hole axes overlap, and first positioning hole and second positioning hole pass through the positioning pin connection.Prevent
When rotating the valve seat packing press ring it is possible that the valve seat transfer phenomenon, while meet in the spring or medium pressure
In the presence of power, what valve seat can be freely is pushed to spheroid formation sealing.
Preferably, the bonnet is bolted to connection with the valve body, is provided between the bonnet and the valve body
Sealing ring.
Preferably, the executing agency includes turbine box and the rotating wheel on the turbine box, the turbine box with
Support is provided between the bonnet, the both ends of the support connect the turbine box and the bonnet respectively.
Preferably, the wrench for the special wrench and rotary valve base packing press ring of torsional spring pressing plate is general.
The beneficial effects of the utility model are：Prevented in rotary valve base packing press ring it is possible that valve seat transfer
Phenomenon, while meet in the presence of preloading spring or pressure medium, what valve seat can be freely is pushed to spheroid formation sealing；Spring
Pressing plate, using being threadedly coupled, changes the force value of spring so as to change between valve seat and spheroid with valve seat by torsional spring pressing plate
Pretension than pressure, the wrench for the special wrench and rotary valve base packing press ring of torsional spring pressing plate is general.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the utility model structure diagram；
Fig. 2 is enlarged drawing at Fig. 1 A.
Wherein in figure mark for：1st, valve body；101st, fluid passage；2nd, bonnet；21st, sealing ring；3rd, valve rod；4th, machine is performed
Structure；41st, turbine box；42nd, rotating wheel；5th, support；6th, spheroid；7th, valve component；8th, valve seat；81st, the second positioning hole；9th, sealing knot
Structure；91st, spring bearer plate；92nd, spring；93rd, valve seat packing self-sealing structure；931st, valve seat packing press ring；932nd, valve seat filler group；
933rd, valve seat Packing seat；10th, spring eye；11st, in accommodating chamber；111st, accumulation of energy butterfly spring；12nd, anti-rotation coil assembly；121st, the first positioning
Hole；122nd, alignment pin.
Embodiment
As shown in Figure 1-2, a kind of HTHP upper-mounting type ball valve, including valve body 1, the bonnet 2 on valve body 1, valve rod 3
With executing agency 4, bonnet 2 is bolted to connection with valve body 1, and sealing ring 21 is provided between bonnet 2 and valve body 1.Execution machine
Structure 4 includes turbine box 41 and the rotating wheel 42 on turbine box 41, and support 5, support 5 are provided between turbine box 41 and bonnet 2
Both ends connect turbine box 41 and bonnet 2 respectively.The inner chamber of valve body 1 is provided with the spheroid 6 and valve component 7 that sealing coordinates, valve rod 3
Spheroid 6 and executing agency 4 are connected respectively through bonnet 2 and both ends, and valve component 7 includes valve seat 8 and the sealing on valve seat 8
Structure 9, sealing structure 9 include spring bearer plate 91, spring 92 and the valve seat packing self-sealing structure 93 being sequentially connected, spring bearer plate
91 are movably arranged on valve seat 8, and valve seat 8 is provided with the first screwed hole, and one end of spring bearer plate 91 is provided with and first screwed hole
The external screw thread of matching is simultaneously inserted in first screwed hole, and valve seat packing self-sealing structure 93 is located at the gap of valve seat 8 and valve body 1
It is interior.Valve rod 3 drives with spheroid 6 for flat gesture, is rotated by executing agency 4 with ovable valve stem 3, so as to drive the off and on of spheroid 6.Pass through
Torsional spring pressing plate 91 come change the force value of spring 92 so as to change the pretension between valve seat 8 and spheroid 6 than pressure, make valve seat 8 with
Sealed between spheroid 6 more preferable.
Specific, valve seat packing self-sealing structure 93 is key-like structure, including valve seat filler pressure closely coupled successively
Ring 931, valve seat filler group 932 and valve seat Packing seat 933, one end of valve seat packing press ring 931 are provided with spring eye 10, spring eye 10
It is interior to be provided with spring 92.Valve seat filler group 932 is compressed by rotary valve base packing press ring 931, wherein, spring eye 10 is both used as bullet
The bore of spring 92 also serves as compressing the bore of the special spanner of valve seat filler group 932 for rotary valve base packing press ring 931 simultaneously.
Accommodating chamber 11 is formed between the bottom of valve seat Packing seat 933 and valve body 1, accumulation of energy butterfly spring 111, accumulation of energy butterfly spring are provided with accommodating chamber 11
111 is closely coupled with valve seat Packing seat 933.Specifically valve seat Packing seat 933 is processed into special structure and formed with the bottom of valve body 1
Accumulation of energy butterfly spring 111 built in one accommodating chamber 11, while keep the installation site of accumulation of energy butterfly spring 111 unchanged, ensure that accumulation of energy disc spring 111 exists
When high/low temperature alternation and filler service operating mode loss for a long time, persistently give valve seat filler group 932 and sealing is formed with pretightning force.Valve
Seat packing press ring 931 is connected through a screw thread with valve body 1, valve seat packing press ring 931 and the valve seat packing press ring of the intersection of valve body 1
931 are respectively equipped with the first screw thread and the second screw thread to match with valve body 1.
Specifically, the interior intracavitary of valve body 1 is provided with fluid passage 101, valve component 7 also includes valve seat anti-rotation coil assembly 12,
Valve seat anti-rotation coil assembly 12 and the side wall of fluid passage 101 are integrally formed, and valve seat anti-rotation coil assembly 12 is provided with the first positioning hole
121, it is provided with alignment pin 122 in the first positioning hole 121, valve seat 8 is radially arranged the second positioning hole 81, the first positioning hole 121 and the
The axis of two positioning hole 81 is overlapped, and the first positioning hole 121 and the second positioning hole 81 are connected by alignment pin 122.Prevent rotating
During valve seat packing press ring 931 it is possible that the transfer phenomenon of valve seat 8, while meet spring 92 or pressure medium effect
Under, what valve seat 8 can be freely is pushed to the formation sealing of spheroid 6.
Specifically, the wrench for the special wrench and rotary valve base packing press ring 931 of torsional spring pressing plate 91 is general.
The advantages of the present embodiment：
Prevented in rotary valve base packing press ring 931 it is possible that the transfer phenomenon of valve seat 8, while meet in pretension
In the presence of spring 92 or pressure medium, what valve seat 8 can be freely is pushed to the formation sealing of spheroid 6；Spring bearer plate 91 is adopted with valve seat 8
With threaded connection, the force value of spring 92 is changed so as to change the pretension between valve seat 8 and spheroid 6 by torsional spring pressing plate 91
Than pressure, the wrench for the special wrench and rotary valve base packing press ring 931 of torsional spring pressing plate 91 is general.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, although with reference to before
State embodiment the utility model is described in detail, for those skilled in the art, it still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic.It is all this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (8)
1. a kind of HTHP upper-mounting type ball valve, including valve body, the bonnet on the valve body, valve rod and executing agency, institute
The inner chamber for stating valve body is provided with spheroid and valve component that sealing coordinates, and the valve rod connects institute respectively through the bonnet and both ends
State spheroid and the executing agency, it is characterised in that the valve component includes valve seat and the sealing knot on the valve seat
Structure, the sealing structure include spring bearer plate, spring and the valve seat packing self-sealing structure being sequentially connected, and the spring bearer plate is lived
Dynamic the valve seat is provided with the first screwed hole on the valve seat, and one end of the spring bearer plate is provided with and first spiral shell
The external screw thread of pit matching is simultaneously inserted in first screwed hole, and the valve seat packing self-sealing structure is located at the valve seat and institute
State in the gap of valve body.
2. HTHP upper-mounting type ball valve according to claim 1, it is characterised in that the valve seat packing self-sealing structure
Including valve seat packing press ring closely coupled successively, valve seat filler group and valve seat Packing seat, one end of the valve seat packing press ring
Provided with spring eye, the spring is provided with the spring eye.
3. HTHP upper-mounting type ball valve according to claim 2, it is characterised in that the valve seat Packing seat and the valve
Accommodating chamber is formed between the bottom of body, accumulation of energy butterfly spring, the accumulation of energy butterfly spring and the valve seat Packing seat are provided with the accommodating chamber
It is connected.
4. HTHP upper-mounting type ball valve according to claim 2, it is characterised in that the valve seat packing press ring with it is described
Valve body is connected through a screw thread, the valve seat packing press ring and the valve body of the valve seat packing press ring with the valve body intersection
It is respectively equipped with the first screw thread and the second screw thread to match.
5. HTHP upper-mounting type ball valve according to claim 4, it is characterised in that the spring eye is both the spring
Bore be the bore for compressing the special spanner of the valve seat filler group for rotating the valve seat packing press ring again.
6. according to the HTHP upper-mounting type ball valve described in claim 1-5 any one, it is characterised in that the inner chamber of the valve body
Interior to be provided with fluid passage, the valve component also includes valve seat anti-rotation coil assembly, the valve seat anti-rotation coil assembly and the fluid
The side wall of passage is integrally formed, and the valve seat anti-rotation coil assembly is provided with the first positioning hole, and positioning is provided with first positioning hole
Pin, the valve seat are radially arranged the second positioning hole, and first positioning hole and second pilot hole axes overlap, and described first
Positioning hole and second positioning hole pass through the positioning pin connection.
7. HTHP upper-mounting type ball valve according to claim 1, it is characterised in that the bonnet passes through with the valve body
Bolt is fixedly connected, and sealing ring is provided between the bonnet and the valve body.
8. HTHP upper-mounting type ball valve according to claim 1, it is characterised in that the executing agency includes turbine box
With the rotating wheel on the turbine box, support, the both ends point of the support are provided between the turbine box and the bonnet
The turbine box and the bonnet are not connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057335.2U CN207195734U (en) | 2017-08-23 | 2017-08-23 | A kind of HTHP upper-mounting type ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721057335.2U CN207195734U (en) | 2017-08-23 | 2017-08-23 | A kind of HTHP upper-mounting type ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195734U true CN207195734U (en) | 2018-04-06 |
Family
ID=61794497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721057335.2U Expired - Fee Related CN207195734U (en) | 2017-08-23 | 2017-08-23 | A kind of HTHP upper-mounting type ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489780A (en) * | 2017-08-23 | 2017-12-19 | 上海伟伦阀门集团江苏有限公司 | A kind of HTHP upper-mounting type ball valve |
-
2017
- 2017-08-23 CN CN201721057335.2U patent/CN207195734U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489780A (en) * | 2017-08-23 | 2017-12-19 | 上海伟伦阀门集团江苏有限公司 | A kind of HTHP upper-mounting type ball valve |
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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: 20180406 Termination date: 20200823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |