CN205654906U - Novel fixed ball valve of low moment of torsion - Google Patents
Novel fixed ball valve of low moment of torsion Download PDFInfo
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- CN205654906U CN205654906U CN201620483215.8U CN201620483215U CN205654906U CN 205654906 U CN205654906 U CN 205654906U CN 201620483215 U CN201620483215 U CN 201620483215U CN 205654906 U CN205654906 U CN 205654906U
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- spool
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- disk seat
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Abstract
The utility model discloses a novel fixed ball valve of low moment of torsion is because the setting of its elastic mechanism can make disk seat elasticity to pressing in the case for can continuously keep between case and the disk seat pasting tightly, in addition, when fluid medium entered into the clearance between elastic mechanism and the disk seat, fluid medium can have certain thrust to the disk seat, and this thrust can make the disk seat support the pressure case equally, thereby has further increased the leakproofness between case and the disk seat. The utility model discloses reduce the pretightning force between disk seat and the case as far as possible under the effective sealed prerequisite between case and the disk seat, consequently can reduce the wearing and tearing between case and the disk seat, reduce the moment of torsion of valve rod, improve the life of ball valve, make the valve open and close and become easier.
Description
Technical field
This utility model relate to a kind of novel low moment of torsion fixing ball valve.
Background technology
Ball valve is that one is driven opening and closing element (core), and the valve of the axis 90 degree of rotary motions of work around valve rod by valve rod, is mainly used in regulation and the control of fluid.Ball valve, since being born, has been widely used in industries such as petroleum refining, long-distance transport pipes, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, iron and steel, has belonged to requisite parts in mechanical field.
Ball valve is generally divided into floating ball valve and fixing ball valve.Wherein fixing ball valve is a new generation's high-performance ball valve, it is adaptable to long-distance transport pipes and general industry pipeline, and its intensity, safety, adverse environment resistant etc. have carried out special consideration when design, it is adaptable to various corrosivity and non-aggressive medium.
Traditional fixing ball valve the most all includes spool, valve body, valve rod and actuator, spool is rotatably arranged at valve inner by being connected to the valve rod at spool two ends, actuator drives valve core rotation by driving valve rod, valve body is additionally provided with and the valve seat of spool fitted seal, in valve seat is fixedly installed on valve body and presses fixing with spool.Although this sealing structure can improve the sealing between valve seat and valve body, but ball valve easily causes after long-term use and weares and teares between valve seat and spool, and then causes fluid media (medium) to leak.Additionally, due to the pretightning force between valve seat and spool is very big, the moment of torsion of valve rod is the biggest, and spool is the most stuck, and the keying of valve can become extremely difficult.
Utility model content
For the deficiencies in the prior art, the main purpose of this utility model is to provide a kind of novel low moment of torsion fixing ball valve, its simple in construction, the abrasion between spool and valve seat can be reduced, reduce the moment of torsion of valve rod, improve the service life of ball valve, and make valve opening and closing become to be more prone to.
For achieving the above object, this utility model provides a kind of novel low moment of torsion fixing ball valve, including spool, valve body, valve rod and actuator, spool is rotatably arranged at valve inner by being connected to the valve rod at spool two ends, actuator drives valve core rotation by driving valve rod, valve body is additionally provided with and the valve seat of spool fitted seal, the elastic mechanism that valve seat elasticity is pressed on spool it is provided with between described valve body and valve seat, described elastic mechanism includes the spring ring for fixing of spring and matched installation, valve seat includes sealing ring and the mounting seat of annular, sealing ring is flush-mounted in the inner side of mounting seat and compresses mutually with spool, mounting seat can slide axially and be arranged in the endoporus of valve body and compress mutually with spring.
As further improvement of the utility model, between described sealing ring and mounting seat, the sidewall of phase close neighbour is provided with sealing ring, and between described mounting seat and valve body, the sidewall of phase close neighbour is provided with sealing ring.The advantage so arranged is to be prevented from seepage between the fluid media (medium) sealing ring from valve seat and mounting seat and the mounting seat of valve seat and valve body, thus further increases the sealing of ball valve.
As further improvement of the utility model, described valve body includes connecting fixing valve body main part and valve body part by flange arrangement mutually, described spool is arranged in the endoporus of valve body main part, having one for being embedded in the annular shoulder rank of described valve seat and described elastic mechanism in the endoporus of valve body part, valve seat and elastic mechanism are flush-mounted at the annular shoulder rank of the endoporus of valve body part.The advantage so arranged is: due to valve body main part and valve body the setting of part, it is simple to the dismounting of ball valve so that ball valve inner components can be replaced and safeguard.Due to the setting on annular shoulder rank in the endoporus of valve body part, it is possible to giving valve seat and the effect of the certain support of elastic mechanism, the installation also making valve seat and elastic mechanism is more stable simultaneously.
As further improvement of the utility model, the endoporus of described valve body part includes the narrower access road of internal diameter and the wider exit passageway of internal diameter, described access road and exit passageway constitute described annular shoulder rank, and the internal diameter of described spring ring for fixing is less than the internal diameter of described access road.The advantage so arranged is, the dismounting for spring ring for fixing provides force application part, it is simple to the dismounting of spring ring for fixing.
As further improvement of the utility model, described spring ring for fixing is evenly distributed with multiple axially arranged installing hole with circumference on the end face of valve seat phase close neighbour, installing hole is arranged with spring.The advantage so arranged is: the simple structure of spring ring for fixing makes to process convenient, equally distributed spring can force in valve seat equably, make the sealing between valve seat and spool more stable, on spring ring for fixing, the setting of installing hole is in addition to can making spring keep elastic direction, can also prevent spring from coming off from spring ring for fixing, so that the work of spring is more stable.
The beneficial effects of the utility model are: this utility model can make valve seat elasticity press on spool due to the setting of its elastic mechanism, make can persistently keep being adjacent between spool and valve seat, in addition, when fluid media (medium) enters into the gap between elastic mechanism and valve seat, fluid media (medium) can have certain thrust to valve seat, this thrust can promote valve seat to compress spool equally, thus further increases the sealing between spool and valve seat.This utility model effectively sealing between spool and valve seat reduces the pretightning force between valve seat and spool under premise as far as possible, therefore the abrasion between spool and valve seat can be reduced, reduce the moment of torsion of valve rod, improve the service life of ball valve, make valve opening and closing become to be more prone to.
Accompanying drawing explanation
Fig. 1 is generalized section of the present utility model；
Fig. 2 is the close-up schematic view of part A in Fig. 1 of the present utility model；
The floor map of Fig. 3 position spring of the present utility model ring for fixing.
Detailed description of the invention
Enforcement such as Fig. 1 of novel low moment of torsion fixing ball valve of the present utility model is to shown in 2: include spool 4, valve body 3, valve rod 6 and actuator 7, spool 4 is rotatably arranged at valve body 3 inside by being connected to the valve rod 6 at spool 4 two ends, actuator 7 rotates by driving valve rod 6 band movable valve plug 4, valve body 3 is additionally provided with and the valve seat 1 of spool 4 fitted seal, the elastic mechanism 2 that valve seat 1 elasticity is pressed on spool 4 it is provided with between described valve body 3 and valve seat 1, described elastic mechanism 2 includes the spring ring for fixing 21 of spring 22 and matched installation, valve seat 1 includes sealing ring 12 and the mounting seat 11 of annular, sealing ring 12 is flush-mounted in the inner side of mounting seat 11 and compresses with spool 4 phase, mounting seat 11 can slide axially and be arranged in the endoporus of valve body 3 and compress with spring 22 phase.Mounting seat 11 preferentially uses wear-resisting rustless steel to make, and the setting of mounting seat 11 is prevented from the abrasion between sealing ring 12 and valve body 3 inwall.Sealing ring 12 preferably employs polytetrafluoroethylmaterial material and makes, and has anticorrosive, the advantages such as coefficient of friction is low.
Between described sealing ring 12 and mounting seat 11, the sidewall of phase close neighbour is provided with sealing ring 5, and between described mounting seat 11 and valve body 3, the sidewall of phase close neighbour is provided with sealing ring 5.
Described valve body 3 includes connecting fixing valve body main part 31 and valve body part 32 by flange arrangement mutually, valve body main part 31 and valve body part 32 can pass through flange arrangement assembly and disassembly, described spool 4 is arranged in the endoporus of valve body main part 31, the endoporus of valve body part 32 has one at the annular shoulder rank being embedded in the endoporus that the annular shoulder rank of described valve seat 1 and described elastic mechanism 2, valve seat 1 and elastic mechanism 2 are flush-mounted in valve body part 32.
The endoporus of described valve body part 32 includes the narrower access road of internal diameter and the wider exit passageway of internal diameter, and described access road and exit passageway constitute described annular shoulder rank, and the internal diameter of described spring ring for fixing 21 is less than the internal diameter of described access road.When needs dismounting spring ring for fixing 21, it is only necessary to use specific tool force just can be taken out from the endoporus of valve body part 32 by spring ring for fixing 21 easily at the inner diameter edge of spring ring for fixing 21, very convenient.
As it is shown on figure 3, be evenly distributed with multiple axially arranged installing hole 23 with circumference on the end face of valve seat 1 phase close neighbour on described spring ring for fixing 21, installing hole 23 is arranged with spring 22.In this utility model, described spring 22 is directly to press on the end face of valve seat 1, and therefore spring ring for fixing 21 is preferably said structure.
When this utility model is in running order, fluid media (medium) enters at the access road of valve body part 32, when fluid media (medium) enters into the gap between elastic mechanism 2 and valve seat 1, fluid media (medium) can have certain thrust to valve seat 1, this thrust can promote valve seat 1 to compress spool 4, thus adds the sealing between spool 4 and valve seat 1.
This utility model effectively sealing between spool and valve seat reduces the pretightning force between valve seat and spool under premise as far as possible, therefore the abrasion between spool and valve seat can be reduced, reduce the moment of torsion of valve rod, improve the service life of ball valve, make valve opening and closing become to be more prone to.
Above example, simply this utility model preferably specific embodiment, the usual variations and alternatives that those skilled in the art are carried out in the range of technical solutions of the utility model are included in protection domain of the present utility model.
Claims (5)
1. a novel low moment of torsion fixing ball valve, including spool, valve body, valve rod and actuator, spool is rotatably arranged at valve inner by being connected to the valve rod at spool two ends, actuator drives valve core rotation by driving valve rod, valve body is additionally provided with and the valve seat of spool fitted seal, it is characterized in that: between described valve body and valve seat, be provided with the elastic mechanism that valve seat elasticity is pressed on spool, described elastic mechanism includes the spring ring for fixing of spring and matched installation, valve seat includes sealing ring and the mounting seat of annular, sealing ring is flush-mounted in the inner side of mounting seat and compresses mutually with spool, mounting seat can slide axially and be arranged in the endoporus of valve body and compress mutually with spring.
2. according to the novel low moment of torsion fixing ball valve described in claim 1, it is characterised in that: between described sealing ring and mounting seat, the sidewall of phase close neighbour is provided with sealing ring, and between described mounting seat and valve body, the sidewall of phase close neighbour is provided with sealing ring.
3. according to the novel low moment of torsion fixing ball valve described in claim 1, it is characterized in that: described valve body includes connecting fixing valve body main part and valve body part by flange arrangement mutually, described spool is arranged in the endoporus of valve body main part, having one for being embedded in the annular shoulder rank of described valve seat and described elastic mechanism in the endoporus of valve body part, valve seat and elastic mechanism are flush-mounted at the annular shoulder rank of the endoporus of valve body part.
4. according to the novel low moment of torsion fixing ball valve described in claim 3, it is characterized in that: the endoporus of described valve body part includes the narrower access road of internal diameter and the wider exit passageway of internal diameter, described access road and exit passageway constitute described annular shoulder rank, and the internal diameter of described spring ring for fixing is less than the internal diameter of described access road.
5. according to the novel low moment of torsion fixing ball valve described in claim 1, it is characterised in that: it is evenly distributed with multiple axially arranged installing hole with circumference on the end face of valve seat phase close neighbour on described spring ring for fixing, installing hole is arranged with spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620483215.8U CN205654906U (en) | 2016-05-24 | 2016-05-24 | Novel fixed ball valve of low moment of torsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620483215.8U CN205654906U (en) | 2016-05-24 | 2016-05-24 | Novel fixed ball valve of low moment of torsion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205654906U true CN205654906U (en) | 2016-10-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620483215.8U Active CN205654906U (en) | 2016-05-24 | 2016-05-24 | Novel fixed ball valve of low moment of torsion |
Country Status (1)
| Country | Link |
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| CN (1) | CN205654906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468825A (en) * | 2018-05-25 | 2018-08-31 | 温州大学苍南研究院 | A kind of IC card flow control low-power consumption ball valve |
-
2016
- 2016-05-24 CN CN201620483215.8U patent/CN205654906U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468825A (en) * | 2018-05-25 | 2018-08-31 | 温州大学苍南研究院 | A kind of IC card flow control low-power consumption ball valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 198, Hualian Road, industrial park, Lingxi Town, Cangnan County, Wenzhou City, Zhejiang Province 325800 Patentee after: ZHEJIANG TANCY INSTRUMENT SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 325800 No.1 Industrial Demonstration Park, Lingxi Town, Cangnan County, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG TANCY INSTRUMENT SCIENCE & TECHNOLOGY Co.,Ltd. |