CN207064747U - A kind of relief valve - Google Patents
A kind of relief valve Download PDFInfo
- Publication number
- CN207064747U CN207064747U CN201721042906.5U CN201721042906U CN207064747U CN 207064747 U CN207064747 U CN 207064747U CN 201721042906 U CN201721042906 U CN 201721042906U CN 207064747 U CN207064747 U CN 207064747U
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- spring
- flap
- valve body
- valve
- storage tank
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Abstract
The utility model belongs to safety valve field, more particularly to a kind of relief valve, including valve seat, the valve body being connected with valve seat, the valve seat is provided with bleed outlet, the bleed outlet is corresponded in the valve body and is provided with flap, adjusting ring is provided with the valve body, spring is provided between the adjusting ring and flap, the adjusting ring is to be threadedly coupled with valve interior wall, the flap is provided with storage tank, the spring is arranged in storage tank, spring base is provided between the spring and flap, the spring base bottom is provided with the projection of cone, the storage tank corresponds to the projection and is provided with cone-shaped groove, the angle of the projection is less than the angle of cone-shaped groove, the width of the spring base is less than the width of storage tank.Pass through turn adjusting ring, thus it is possible to vary the pretension decrement of spring, so as to change the pressure of releasing of relief valve, if spring is not suitable for, with turn adjusting ring it can be made to be separated with valve body, then change spring, it is more convenient.
Description
Technical field
The utility model belongs to safety valve field, and in particular to a kind of relief valve.
Background technology
Relief valve is a kind of safety valve being installed on pressure vessel or valve cavity, when the lumen of pipeline valve is situated between
When matter pressure rise exceedes permissible value, valve opening, middle cavity pressure of releasing, when pressure is reduced to permissible value, valve is again automatic
Close.The pressure of releasing of relief valve can be set by changing spring pre-tightening decrement to be adjusted, each spring
It can only be worked in certain pressure limit of releasing, will change spring beyond the scope, and reach the requirement of safety relief.And
The pressure of releasing for setting now and changing relief valve is not easy to.
The content of the invention
The utility model provides a kind of relief valve regarding to the issue above.
Technical solution adopted in the utility model is as follows：A kind of relief valve, including valve seat, the valve that is connected with valve seat
Body, the valve seat are provided with bleed outlet, and the bleed outlet is corresponded in the valve body and is provided with flap, regulation is provided with the valve body
Circle, spring is provided between the adjusting ring and flap, with valve interior wall to be threadedly coupled, the flap is provided with the adjusting ring
Storage tank, the spring are arranged in storage tank, and spring base is provided between the spring and flap, and the spring base bottom is provided with
The projection of cone, the storage tank correspond to the projection and are provided with cone-shaped groove, and the angle of the projection is recessed less than cone
The angle of groove, the width of the spring base are less than the width of storage tank, spring base bottom pile-up welding hard alloy.
The spring base includes supporting surface and spigot surface, the supporting surface lower end with the angle of 10-15 degree slope inwardly with
Groove is formed between spigot surface, the corner of the groove is arc transition.
The flap bottom is provided with seal.
The side wall of the bleed outlet is inclined-plane, and the seal blocks the position of bleed outlet as cylinder and seamed edge is with releasing
The side wall of mouth forms sealing function.
The seal is made up of polyformaldehyde.
The valve body both ends difference connecting valve seat, bonnet, and the mode being connected through a screw thread connects.
O-ring seal is equipped between the valve body and valve seat, bonnet.
The beneficial effects of the utility model are as follows：Pass through turn adjusting ring, thus it is possible to vary the pretension decrement of spring, so as to
Change the pressure of releasing of relief valve, if spring is not suitable for, with turn adjusting ring it can be made to be separated with valve body, then changed
Spring, it is more convenient.In addition, the design of spring base and flap makes the contact point between spring base and flap be only projection and circular cone
Connected in star, abrasion is reduced, if spring tilts, flap also will not therewith be tilted and blocked.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of spring base.
In figure, 1, valve seat；101, bleed outlet；2, valve body；3, seal；4, flap；401, storage tank；402, cone is recessed
Groove；5, spring base；501, supporting surface；502, spigot surface；503, groove；504, projection；6, spring；7, adjusting ring；8, bonnet；9,
O-ring seal.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model can be better described.
A kind of relief valve, including valve seat 1, the valve body 2 that is connected with valve seat 1, the valve seat 1 are provided with bleed outlet 101,
The bleed outlet 101 is corresponded in the valve body 2 and is provided with flap 4, it is characterised in that：Adjusting ring 7 is provided with the valve body 2, it is described
Spring 6 is provided between adjusting ring 7 and flap 4, the adjusting ring 7 is to be threadedly coupled with the inwall of valve body 2.By turn adjusting ring,
The pretension decrement of spring can be changed,, can be with turn if spring is not suitable for so as to change the pressure of releasing of relief valve
Adjusting ring makes it be separated with valve body, then changes spring, more convenient.The flap 4 is provided with storage tank 401, the spring 6
It is arranged in storage tank 401, spring base 5 is provided between the spring 6 and flap 4.Positioning so is played a part of to spring.Adjust
Pitch circle 7 is provided with the lug boss being adapted to spring at the position that it is connected with spring 6, also plays phase same-action.The bottom of spring base 5
Projection 504 provided with cone, the corresponding projection 504 of the storage tank 401 are provided with cone-shaped groove 402, the projection 504
Angle be less than the angle of cone-shaped groove 402, the width of the spring base 5 is less than the width of storage tank 401, the spring base
5 bottom pile-up welding hard alloys.The design of spring base and flap makes the contact point between spring base and flap be only projection and circular cone
Connected in star, abrasion is reduced, if spring tilts, flap also will not therewith be tilted and blocked.
The spring base 5 includes supporting surface 501 and spigot surface 502, and the lower end of supporting surface 501 is with the angle of 10-15 degree
Slope inwardly and groove 503 is formed between spigot surface 502, the corner of the groove 503 is arc transition.Conventional spring
Seat, its supporting surface and spigot surface are right angle transition or arc transition, by right angle transition, transition of stress, intensity decreases be present
Problem, by arc transition, then easily interfered with spring inner ring.Above mentioned problem can effectively be prevented by groove.
The bottom of flap 4 is provided with seal 3.Sealing can be strengthened.
The side wall of the bleed outlet 101 is inclined-plane, and the position that the seal 3 blocks bleed outlet 101 is cylinder and rib
Side and the side wall of bleed outlet 101 form sealing function.It can so give seal sufficient space to deform, strengthen sealing.
The seal 3 is made up of polyformaldehyde.Polyformaldehyde good seal performance.
The both ends of the valve body 2 difference connecting valve seat 1, bonnet 8, and the mode being connected through a screw thread connects.Convenient dismounting,
Other bonnet forms position-limiting action to adjusting ring.
O-ring seal 9 is equipped between the valve body 2 and valve seat 1, bonnet 8.Strengthen sealing effectiveness.
Floss hole can be arranged at bonnet 8, can also be located on valve body and be formed periphery discharge.
A kind of embodiment of the present utility model is the foregoing is only, is not used for limiting the scope of protection of the utility model；
The scope of protection of the utility model is limited by the claim in claims, and it is every made according to utility model it is equivalent
Change and modification, all within the protection domain of the utility model patent.
Claims (7)
1. a kind of relief valve, including valve seat（1）With valve seat（1）The valve body of connection（2）, the valve seat（1）It is provided with and releases
Mouthful（101）, the valve body（2）The interior correspondence bleed outlet（101）Provided with flap（4）, it is characterised in that：The valve body（2）It is interior
Provided with adjusting ring（7）, the adjusting ring（7）With flap（4）Between be provided with spring（6）, the adjusting ring（7）With valve body（2）It is interior
Wall is is threadedly coupled, the flap（4）It is provided with storage tank（401）, the spring（6）It is arranged on storage tank（401）It is interior, it is described
Spring（6）With flap（4）Between be provided with spring base（5）, the spring base（5）Bottom is provided with the projection of cone（504）, it is described
Storage tank（401）The corresponding projection（504）Provided with cone-shaped groove（402）, the projection（504）Angle be less than cone
Groove（402）Angle, the spring base（5）Width be less than storage tank（401）Width, the spring base（5）Bottom heap
Weld hard alloy.
2. relief valve according to claim 1, it is characterised in that：The spring base（5）Including supporting surface（501）With
Spigot surface（502）, the supporting surface（501）Lower end is sloped inwardly with the angle of 10-15 degree and spigot surface（502）Between form ditch
Groove（503）, the groove（503）Corner be arc transition.
3. relief valve according to claim 1, it is characterised in that：The flap（4）Bottom is provided with seal（3）.
4. relief valve according to claim 3, it is characterised in that：The bleed outlet（101）Side wall be inclined-plane, institute
State seal（3）Block bleed outlet（101）Position for cylinder and seamed edge and bleed outlet（101）Side wall formed sealing make
With.
5. relief valve according to claim 3, it is characterised in that：The seal（3）It is made up of polyformaldehyde.
6. relief valve according to claim 1, it is characterised in that：The valve body（2）Distinguish connecting valve seat in both ends
（1）, bonnet（8）, and the mode being connected through a screw thread connects.
7. relief valve according to claim 6, it is characterised in that：The valve body（2）With valve seat（1）, bonnet（8）It
Between be equipped with O-ring seal（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721042906.5U CN207064747U (en) | 2017-08-21 | 2017-08-21 | A kind of relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721042906.5U CN207064747U (en) | 2017-08-21 | 2017-08-21 | A kind of relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064747U true CN207064747U (en) | 2018-03-02 |
Family
ID=61514866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721042906.5U Active CN207064747U (en) | 2017-08-21 | 2017-08-21 | A kind of relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064747U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397583A (en) * | 2018-03-08 | 2018-08-14 | 浙江华益精密机械股份有限公司 | Safety valve and the wall-hung boiler heating system for using the safety valve |
| CN108591553A (en) * | 2018-07-17 | 2018-09-28 | 阜宁县中洲阀门有限公司 | A kind of forged steel bleeder valve |
| CN109058552A (en) * | 2018-10-11 | 2018-12-21 | 梧州市旺捷机械制造有限公司 | A kind of anti-jamming check valve of adjusting filtering type for bottle placer |
| CN110985727A (en) * | 2019-12-31 | 2020-04-10 | 唐建 | Practical quick adjustment pipeline pressure valve |
-
2017
- 2017-08-21 CN CN201721042906.5U patent/CN207064747U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397583A (en) * | 2018-03-08 | 2018-08-14 | 浙江华益精密机械股份有限公司 | Safety valve and the wall-hung boiler heating system for using the safety valve |
| CN108591553A (en) * | 2018-07-17 | 2018-09-28 | 阜宁县中洲阀门有限公司 | A kind of forged steel bleeder valve |
| CN109058552A (en) * | 2018-10-11 | 2018-12-21 | 梧州市旺捷机械制造有限公司 | A kind of anti-jamming check valve of adjusting filtering type for bottle placer |
| CN110985727A (en) * | 2019-12-31 | 2020-04-10 | 唐建 | Practical quick adjustment pipeline pressure valve |
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| GR01 | Patent grant |