CN204942658U - The anticorrosion safety valve of spring - Google Patents
The anticorrosion safety valve of spring Download PDFInfo
- Publication number
- CN204942658U CN204942658U CN201520721651.XU CN201520721651U CN204942658U CN 204942658 U CN204942658 U CN 204942658U CN 201520721651 U CN201520721651 U CN 201520721651U CN 204942658 U CN204942658 U CN 204942658U
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- valve
- flap
- sealing ring
- cover plate
- bellows
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Abstract
The utility model discloses the anticorrosion safety valve of a kind of spring, be intended to easily be corroded in the using process of solution safety valve, sealing is poor, the deficiency that working life is short.This model utility comprises valve body, valve seat, flap, valve rod, valve gap, return spring, valve body and valve seat integrative-structure, cover plate is connected between valve body and valve gap, cover plate lower surface is provided with guide sleeve, the outer movable sheath of guide sleeve is connected to bellows, connecting ring is connected with near cover plate lower end position in valve body, flap is in being inverted T-shaped structure, flap upper end to be socketed in guide sleeve and to be connected with valve rod, the upper and lower two ends of bellows are connected with connecting ring and flap respectively, flap lower surface is provided with the upper sealing ring of a circle projection, valve seat upper-end surface is provided with a circle lower sealing ring with upper sealing ring correspondence, upper sealing ring lower surface sealing paste is combined on lower sealing ring upper surface, valve body and valve base inner wall are all lined with anti-corruption lining fluorine, flap serves as a contrast fluorine in bellows lower end the outer wall of lower part to be all lined with anti-corruption.
Description
Technical field
The utility model relates to a kind of valve, and more particularly, it relates to the anticorrosion safety valve of a kind of spring.
Background technique
Safety valve is as automatic valve, and be widely used in the every field such as oil, chemical industry, power station, national defence, it is the working pressure automatic on-off according to pressure system, is generally installed on protective system safety on the equipment of locking system or pipeline.When equipment or manifold pressure exceed safety valve setting pressure, automatically open pressure release, ensure that in e-quipment and pipe, pressure medium is under setting pressure, proterctive equipment and pipeline normally work, and prevent accident, reduce the loss.In actual use, safety valve can contact has corrosive medium, and safety valve flow passage components can corrode by Korrosionsmedium, thus affect the sealability of safety valve, reduces the working life of safety valve.
Model utility content
The utility model overcomes in safety valve using process and is easily corroded, and sealing is poor, the deficiency that working life is short, and provide the anticorrosion safety valve of a kind of spring, it is in use not easily corroded, good airproof performance, long service life.
In order to solve the problems of the technologies described above, the utility model is by the following technical solutions: the anticorrosion safety valve of a kind of spring, comprise valve body, valve seat, flap, valve rod, valve gap, be socketed in the return spring on valve rod, valve body and valve seat integrative-structure, cover plate is connected between valve body and valve gap, cover plate lower surface is provided with guide sleeve, the outer movable sheath of guide sleeve is connected to bellows, connecting ring is connected with near cover plate lower end position in valve body, flap is in being inverted T-shaped structure, flap upper end to be socketed in guide sleeve and to be connected with valve rod, the upper and lower two ends of bellows are connected with connecting ring and flap respectively, flap lower surface is provided with the upper sealing ring of a circle projection, valve seat upper-end surface is provided with a circle lower sealing ring with upper sealing ring correspondence, upper sealing ring lower surface sealing paste is combined on lower sealing ring upper surface, valve body and valve base inner wall are all lined with anti-corruption lining fluorine, flap serves as a contrast fluorine in bellows lower end the outer wall of lower part to be all lined with anti-corruption.
When safety valve uses, with physical contact between media be that anti-corruption serve as a contrast fluorine, anti-corruption lining fluorine anti-corrosion capacity is strong, makes safety valve not easily by dielectric corrosion in the process of use, the working life of prolongation safety valve.Body cavity and valve gap inner chamber are kept apart by connecting ring, bellows, flap, realize the sealing between valve body and valve gap.Realize sealing by the close contact between upper sealing ring and lower sealing ring between flap and valve seat, under the effect of return spring, valve rod abuts flap, makes flap be connected to valve seat upper end.Guide sleeve serves good leading role, making flap upper sealing ring when moving up and down can aim at lower sealing ring all the time, effectively preventing upper sealing ring from departing from lower sealing ring, ensure that sealability.The anticorrosion safety valve of spring is in use not easily corroded, good airproof performance, long service life.
As preferably, upper sealing ring lower surface is the arcuate structure of indent, and lower sealing ring upper surface is the arcuate structure of evagination.Lower sealing ring is the arcuate structure of evagination, avoids the Impurity deposition in medium to affect the sealability of safety valve on the surface at lower sealing ring.
As preferably, cover plate upper and lower two ends outward edge is equipped with sealing bulge loop, all seal washer is connected with between the sealing bulge loop of cover plate upper end and valve gap lower end and between the sealing bulge loop of cover plate lower end and connecting ring, be provided with pressure release gap between cover plate and connecting ring, cover plate and valve gap are equipped with relief hole.Seal washer adds the sealability that valve gap is connected with valve body, and relief hole can pressure in venting bellows, reduces the resistance that flap is subject in uphill process, be convenient to the unlatching of flap.
As preferably, bellows upper end is sealedly connected with installing ring, and bellows lower end is sealedly connected with connecting base, and install and be sealedly connected on connecting ring, connecting base is threaded on flap.Bellows is connected in valve body by installing ring and connecting base, ensures reliability and the sealing of connection.
As preferably, connecting base outer wall is laid with several dismounting holes.Dismantling device, in the process of dismounting, is inserted dismounting hole and rotates connecting base by connecting base, makes the dismounting of connecting base convenient.
As preferably, flap upper end is provided with mounting hole, and valve rod lower end is cone structure, is provided with cushion pad bottom mounting hole, and valve rod is plugged in mounting hole and lower end and is connected on cushion pad.Cushion pad is with certain buffer function and wear resistance is good, reduces the wearing and tearing between valve rod and flap, extends working life.
As preferably, valve seat lower end arranges liquid entering hole, and the side of valve body arranges liquid outlet, the end face at liquid entering hole and liquid outlet edge is all lined with anti-corruption lining fluorine.At liquid entering hole and liquid outlet end, the antiseptic property that anti-corruption lining fluorine ensures safety valve is all set.
Compared with prior art, the beneficial effects of the utility model are: the anticorrosion safety valve of (1) spring is in use not easily corroded, good airproof performance, long service life: (2) valve body and valve seat integrative-structure, and structural strength is good, simplifies the assembling of safety valve.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
In figure: 1, valve body, 2, valve seat, 3, flap, 4, valve rod, 5, valve gap, 6, return spring, 7, cover plate, 8, guide sleeve, 9, bellows, 10, connecting ring, 11, upper sealing ring, 12, lower sealing ring, 13, anti-corruption lining fluorine, 14, sealing bulge loop, 15, seal washer, 16, relief hole, 17, installing ring, 18, connecting base, 19, dismounting hole, 20, mounting hole, 21, cushion pad, 22, liquid entering hole, 23, liquid outlet.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described specifically:
Embodiment: the anticorrosion safety valve of a kind of spring (see accompanying drawing 1), comprise valve body 1, valve seat 2, flap 3, valve rod 4, valve gap 5, the return spring 6 be socketed on valve rod, the two ends of return spring are connected on upper spring seat and lower spring cup, and upper spring seat and lower spring cup are all socketed on valve rod.Valve rod upper end is socketed with adjustment swivel nut, and adjustment swivel nut is threaded in valve gap upper end, and adjustment swivel nut lower end is connected on upper spring seat.Valve body and valve seat integrative-structure, connect cover plate 7 between valve body and valve gap, on cover plate lower surface, neutral position is provided with guide sleeve 8, guide sleeve and cover plate one-body molded, the outer movable sheath of guide sleeve is connected to bellows 9, is connected with connecting ring 10 in valve body near cover plate lower end position.Cover plate upper and lower two ends outward edge is equipped with sealing bulge loop 14, seal washer 15 is all connected with between the sealing bulge loop of cover plate upper end and valve gap lower end and between the sealing bulge loop of cover plate lower end and connecting ring, be provided with pressure release gap between cover plate and connecting ring, cover plate and valve gap are equipped with relief hole 16.Flap is in being inverted T-shaped structure, flap upper end to be socketed in guide sleeve and to be connected with valve rod, the upper and lower two ends of bellows are connected with connecting ring and flap respectively, flap lower surface is provided with the upper sealing ring 11 of a circle projection, valve seat upper-end surface is provided with a circle lower sealing ring 12 with upper sealing ring correspondence, upper sealing ring lower surface sealing paste is combined on lower sealing ring upper surface, and upper sealing ring lower surface is the arcuate structure of indent, and lower sealing ring upper surface is the arcuate structure of evagination.Bellows upper end is sealedly connected with installing ring 17, and bellows lower end is sealedly connected with connecting base 18, and install and be sealedly connected on connecting ring, connecting base is threaded on flap.Connecting base outer wall is laid with several dismounting holes 19.Flap upper end is provided with mounting hole 20, and valve rod lower end is cone structure, is provided with cushion pad 21 bottom mounting hole, and valve rod is plugged in mounting hole and lower end and is connected on cushion pad.Valve body and valve base inner wall are all lined with anti-corruption lining fluorine 13, and flap serves as a contrast fluorine in bellows lower end the outer wall of lower part to be all lined with anti-corruption.Valve seat lower end arranges liquid entering hole 22, and the side of valve body arranges liquid outlet 23, the end face at liquid entering hole and liquid outlet edge is all lined with anti-corruption lining fluorine.
When safety valve uses, with physical contact between media be that anti-corruption serve as a contrast fluorine, anti-corruption lining fluorine anti-corrosion capacity is strong, makes safety valve not easily by dielectric corrosion in the process of use, the working life of prolongation safety valve.Body cavity and valve gap inner chamber are kept apart by connecting ring, bellows, flap, realize the sealing between valve body and valve gap.Realize sealing by the close contact between upper sealing ring and lower sealing ring between flap and valve seat, under the effect of return spring, valve rod abuts flap, makes flap be connected to valve seat upper end.Guide sleeve serves good leading role, making flap upper sealing ring when moving up and down can aim at lower sealing ring all the time, effectively preventing upper sealing ring from departing from lower sealing ring, ensure that sealability.The anticorrosion safety valve of spring is in use not easily corroded, good airproof performance, long service life.
Above-described embodiment is one of the present utility model preferably scheme, not does any pro forma restriction to the utility model, also has other variant and remodeling under the prerequisite not exceeding the technological scheme described in claim.
Claims (7)
1. the anticorrosion safety valve of spring, comprise valve body, valve seat, flap, valve rod, valve gap, be socketed in the return spring on valve rod, it is characterized in that, valve body and valve seat integrative-structure, cover plate is connected between valve body and valve gap, cover plate lower surface is provided with guide sleeve, the outer movable sheath of guide sleeve is connected to bellows, connecting ring is connected with near cover plate lower end position in valve body, flap is in being inverted T-shaped structure, flap upper end to be socketed in guide sleeve and to be connected with valve rod, the upper and lower two ends of bellows are connected with connecting ring and flap respectively, flap lower surface is provided with the upper sealing ring of a circle projection, valve seat upper-end surface is provided with a circle lower sealing ring with upper sealing ring correspondence, upper sealing ring lower surface sealing paste is combined on lower sealing ring upper surface, valve body and valve base inner wall are all lined with anti-corruption lining fluorine, flap serves as a contrast fluorine in bellows lower end the outer wall of lower part to be all lined with anti-corruption.
2. the anticorrosion safety valve of spring according to claim 1, is characterized in that, upper sealing ring lower surface is the arcuate structure of indent, and lower sealing ring upper surface is the arcuate structure of evagination.
3. the anticorrosion safety valve of spring according to claim 1, it is characterized in that, cover plate upper and lower two ends outward edge is equipped with sealing bulge loop, all seal washer is connected with between the sealing bulge loop of cover plate upper end and valve gap lower end and between the sealing bulge loop of cover plate lower end and connecting ring, be provided with pressure release gap between cover plate and connecting ring, cover plate and valve gap are equipped with relief hole.
4. the anticorrosion safety valve of spring according to claim 1, is characterized in that, bellows upper end is sealedly connected with installing ring, and bellows lower end is sealedly connected with connecting base, and install and be sealedly connected on connecting ring, connecting base is threaded on flap.
5. the anticorrosion safety valve of spring according to claim 4, is characterized in that, connecting base outer wall is laid with several dismounting holes.
6. the anticorrosion safety valve of spring according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, flap upper end is provided with mounting hole, and valve rod lower end is cone structure, be provided with cushion pad bottom mounting hole, valve rod is plugged in mounting hole and lower end and is connected on cushion pad.
7. the anticorrosion safety valve of spring according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, valve seat lower end arranges liquid entering hole, and the side of valve body arranges liquid outlet, the end face at liquid entering hole and liquid outlet edge is all lined with anti-corruption lining fluorine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520721651.XU CN204942658U (en) | 2015-09-17 | 2015-09-17 | The anticorrosion safety valve of spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520721651.XU CN204942658U (en) | 2015-09-17 | 2015-09-17 | The anticorrosion safety valve of spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204942658U true CN204942658U (en) | 2016-01-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520721651.XU Expired - Fee Related CN204942658U (en) | 2015-09-17 | 2015-09-17 | The anticorrosion safety valve of spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204942658U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220023A (en) * | 2019-05-29 | 2019-09-10 | 万能阀门有限公司 | A kind of low temperature spring loaded safety valve |
| CN110513517A (en) * | 2019-08-29 | 2019-11-29 | 刘州豪 | A kind of safety valve preventing the spool prooving of valve seat |
| CN110848432A (en) * | 2019-12-13 | 2020-02-28 | 罗浮阀门集团有限公司 | Back pressure preventing protrusive pilot valve structure |
| CN112833229A (en) * | 2021-01-05 | 2021-05-25 | 天正阀门有限公司 | Lining fluorine integral anti-corrosion safety valve |
| CN112984135A (en) * | 2021-02-18 | 2021-06-18 | 浙江万龙机械有限公司 | Soft sealing structure and forming method |
-
2015
- 2015-09-17 CN CN201520721651.XU patent/CN204942658U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220023A (en) * | 2019-05-29 | 2019-09-10 | 万能阀门有限公司 | A kind of low temperature spring loaded safety valve |
| CN110513517A (en) * | 2019-08-29 | 2019-11-29 | 刘州豪 | A kind of safety valve preventing the spool prooving of valve seat |
| CN110848432A (en) * | 2019-12-13 | 2020-02-28 | 罗浮阀门集团有限公司 | Back pressure preventing protrusive pilot valve structure |
| CN110848432B (en) * | 2019-12-13 | 2024-02-02 | 罗浮阀门集团有限公司 | Back pressure bursting prevention type pilot valve structure |
| CN112833229A (en) * | 2021-01-05 | 2021-05-25 | 天正阀门有限公司 | Lining fluorine integral anti-corrosion safety valve |
| CN112833229B (en) * | 2021-01-05 | 2022-07-01 | 天正阀门有限公司 | Lining fluorine integral anti-corrosion safety valve |
| CN112984135A (en) * | 2021-02-18 | 2021-06-18 | 浙江万龙机械有限公司 | Soft sealing structure and forming method |
| CN112984135B (en) * | 2021-02-18 | 2023-05-16 | 浙江万龙机械有限公司 | Soft sealing structure and forming method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20210917 |