CN207005380U - Safety valve - Google Patents
Safety valve Download PDFInfo
- Publication number
- CN207005380U CN207005380U CN201720844397.1U CN201720844397U CN207005380U CN 207005380 U CN207005380 U CN 207005380U CN 201720844397 U CN201720844397 U CN 201720844397U CN 207005380 U CN207005380 U CN 207005380U
- Authority
- CN
- China
- Prior art keywords
- hole
- safety valve
- screw rod
- wall
- locking nut
- 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.)
- Expired - Fee Related
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 210000002445 nipple Anatomy 0.000 abstract description 5
- 239000003082 abrasive agent Substances 0.000 description 4
- 230000013011 mating Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Safety Valves (AREA)
Abstract
The utility model provides safety valve, belongs to valve field.Nozzle, housing, adjusting ring, flap and Disc holder, nipple top and bottom are opening, and housing is connected in outer nozzle wall, and the top exterior walls of nozzle are threaded with adjusting ring, some circumferentially spaced slots are offered on the outer wall of adjusting ring, the top of adjusting ring has the flap and Disc holder being connected with each other, and flap can open and close nipple top, threaded mounting hole is offered on housing, there is regulation component on threaded mounting hole, it is characterised in that：Regulation component includes screw rod, locking nut and thimble, screw rod outer wall has screw thread, blind hole is offered in the right-hand member of screw rod, the inner of thimble is inserted in blind hole, the outer end of thimble withstand on corresponding on slot, locking nut is threaded on screw rod left end outer wall and the locking end end face of locking nut is pressed on housing.Intrinsic safety full valve regulation component is easy to assembly, reduces assembly cost.
Description
Technical field
The utility model belongs to valve field, is related to a kind of safety valve.
Background technology
Safety valve is that opening and closing element is in normally off under by external force effect, when the pressure medium rise in equipment or pipeline is super
When crossing setting, by outside system discharge medium prevent the pressure medium in pipeline or equipment from exceeding the particular usage valve of specified value
Door.Safety valve belongs to automatic valve class, is mainly used in boiler, on pressure vessels and pipes, control pressure is no more than setting, to people
Body safety and equipment have run important protective effect.
Realized in oil plant for oil liquid pressure control by safety valve, such safety valve general configuration mainly includes spray
Mouth, housing, adjusting ring, flap and Disc holder, nipple top and bottom are opening, and housing is threaded in outer nozzle wall, nozzle
Top exterior walls threaded connection adjusting ring, the top of adjusting ring has flap and Disc holder, passes through card between flap and Disc holder
Spring, which is realized, to be connected, and the top of Disc holder has spring assembly, and Disc holder act as making medium active area to increase, can be with
Open suddenly, coordinate adjusting ring, control suitable blow pressure, when substantially the course of work is that oil liquid pressure is too high, gas passes through
The top of nozzle, overcomes spring force, so that flap and associated component can jack up upwards, so that gas leakage.In addition,
There is regulation component, regulation component realizes the setting of different popping pressures by adjusting the compression degree of spring, such as says on housing
Shown in bright book accompanying drawing Fig. 6, existing regulation component includes thimble and the fixture (nut and screw rod form) of one, in fixture
Screw rod on offer mating holes, thimble is a tight fit in mating holes, and the screw rod outer wall of fixture has a screw thread, on housing with
Offer screwed hole on the correspondence position of adjusting ring, be threaded at the screw rod on fixed part in screwed hole, can at nut
Be locked on housing, some spaced slots offered on the outer wall of adjusting ring, structure as shown in figure 5, thimble it is outer
End is plugged on adjusting ring on corresponding slot, realizes that adjusting ring is spacing, but existing defects herein, is tight with thimble the inner
After in mating holes, because thimble is long, it is necessary to thimble be ground off to the matching for reducing length and realizing length, to meet on fixed part
It can be locked at nut on housing, this kind of mode has two, and first, abrasive material is wasted time and energy, and increases manpower and materials,
Second, the thimble is directly scrapped and can not used if length after thimble is ground is less than required length, i.e., can not make thimble top
In slot, cause to add cost.Therefore current regulation component is necessary to be improved.
The content of the invention
The purpose of this utility model is to be directed to the above-mentioned problems in the prior art, there is provided safety valve, the safety valve
Regulation component is easy to assembly, reduces assembly cost, and solve wastes time and energy to thimble abrasive material at present, and thimble, which is easily scrapped, etc. asks
Topic.
The purpose of this utility model can be realized by following technical proposal：Safety valve, including nozzle, housing, adjusting ring,
Flap and Disc holder, nipple top and bottom are opening, and housing is connected in outer nozzle wall, and the top exterior walls of nozzle are threaded with tune
Pitch circle, some circumferentially spaced slots are offered on the outer wall of the adjusting ring, the top of adjusting ring, which has, mutually to be interconnected
The flap and Disc holder connect, the flap can open and close the nipple top, and threaded mounting hole is offered on the housing, described
There is regulation component on threaded mounting hole, it is characterised in that：The regulation component includes screw rod, locking nut and thimble, described
Screw rod outer wall has screw thread, and blind hole is offered in the right-hand member of the screw rod, and the inner of the thimble is inserted in the blind hole, institute
The outer end for stating thimble is withstood on corresponding slot, and the locking nut is threaded on the screw rod left end outer wall and the lock
The locking end end face of tight nut compresses on the housing.
In above-mentioned safety valve, the threaded mounting hole is made up of interconnected hole one and hole two, the hole one it is interior
Wall has screw thread, and the internal diameter in the hole two is more than the internal diameter in hole one, and the screw rod outer wall thread is connected in the hole one, described
The locking end end face of locking nut is pressed in the hole two.
In above-mentioned safety valve, there is red copper pad in the inner bottom wall of hole two, the locking end of the locking nut can press
Tightly in the one side of red copper pad.
In above-mentioned safety valve, the red copper pad is in annular.
In above-mentioned safety valve, the screw rod left end end offers screw tool bore.
In above-mentioned safety valve, the screw tool bore is a word hole.
In above-mentioned safety valve, the locking nut is hex nut.
In above-mentioned safety valve, the housing is threaded on outer nozzle wall.
In above-mentioned safety valve, a pair of locking hole is offered on the locking nut.
In above-mentioned safety valve, the thimble length is more than spiro rod length.
Prior art is compared, and intrinsic safety full valve has advantages below：
1st, intrinsic safety full valve is easy to assembly, reduces assembly cost.
2nd, intrinsic safety full valve enhances the security performance of regulation component.
3rd, intrinsic safety full valve serves the function of enhancing regulation component stability.
Brief description of the drawings
Fig. 1 is the structure sectional view of intrinsic safety full valve (Disc holder above structure is not drawn into).
Fig. 2 is the structural representation of regulation component in intrinsic safety full valve.
Fig. 3 is the lateral partial structurtes sectional view of locking nut in intrinsic safety full valve.
Fig. 4 is the top view of locking nut in intrinsic safety full valve.
Fig. 5 is the top view of adjusting ring in intrinsic safety full valve.
Fig. 6 is the front view of the adjusting part of prior art.
In figure, 1, nozzle；2nd, housing；2a, threaded mounting hole；2a1, Kong Yi；2a2, hole two；3rd, adjusting ring；3a, slot；
4th, flap；5th, Disc holder；6th, screw rod；6a, blind hole；6b, screw tool bore；7th, locking nut；7a, lock hole；8th, thimble；9th, it is purple
Copper packing；10th, fixture.
Embodiment
As shown in Figures 1 to 5, intrinsic safety full valve includes nozzle 1, housing 2, adjusting ring 3, flap 4 and Disc holder 5, and nozzle 1 pushes up
Portion and bottom are opening, and housing 2 is connected in the outer wall of nozzle 1, and the top exterior walls of nozzle 1 are threaded with adjusting ring 3, adjusting ring 3
Some circumferentially spaced slot 3a are offered on outer wall, the top of adjusting ring 3 has the flap 4 being connected with each other and recoil
Disk 5, flap 4 can open and close the top of nozzle 1, offer threaded mounting hole 2a on housing 2, have pressure regulation on threaded mounting hole 2a
Component, regulation component include screw rod 6, locking nut 7 and thimble 8, and the outer wall of screw rod 6 has screw thread, offered in the right-hand member of screw rod 6
Blind hole 6a, the inner of thimble 8 are inserted in blind hole 6a, and the outer end of thimble 8 is withstood on corresponding slot 3a, the screw thread of locking nut 7
It is connected on the left end outer wall of screw rod 6 and the locking end end face of locking nut 7 is pressed on housing 2.Intrinsic safety full valve is specific as follows：
The close-fitting of thimble 8 is plugged in the blind hole 6a of screw rod 6 by regulation component first in assembling, then withstands on the outer end of thimble 8 pair
On the slot 3a answered, then rotary screw 6 makes screw rod 6 enter in threaded mounting hole 2a, and the inner of thimble 8 goes successively to straight in screw rod 6
Untill blind hole 6a bottoms are moved to, then locking nut 7 is threaded on the left end outer wall of screw rod 6, rotational lock spiral shell
Mother 7 is to being pressed on housing 2, and compared with pressure adjusting structure of the prior art, this regulation component need not carry out abrasive material to thimble 8,
Therefore it also avoid because the phenomenon that abrasive material causes thimble 8 to be scrapped occurs.In addition, safety valve and existing skill with this regulation component
Art is compared, and enhances the security performance of regulation component, as shown in fig. 6, rotary mount 10 can by regulation component removal, and this
Regulation component has two sections of threaded connections, needs to unload locking nut 7 first, then rotary screw 6 can just make thimble 8 depart from slot
3a, prevent from causing thimble 8 to depart from the direct rotating nuts of unrelated person operational error, play certain defencive function.This regulation
Locking nut 7 in component also acts as the function of enhancing regulation component stability, because the locking face of locking nut 7 is pressed on
On housing 2, therefore stability can be increased.
In summary, locking nut 7 is unloaded, passed through, it is necessary to during regulation safety valve 4 Opening pressure of flap in simple terms
Screwdriver screws out screw rod 6, the outer end of thimble 8 is departed from the slot 3a of adjusting ring 3, then i.e. adjustable adjusting ring 3, adjusting ring 3
Spring-compressed above when moving upwards, increase pressure, regulation downwards then reduces pressure.Screw rod 6 is rotated again after regulation
Position withstands on thimble 8 in slot 3a again, then locking nut 7 is resetted.
Threaded mounting hole 2a is made up of the interconnected 2a1 of hole one and the 2a2 of hole two, and the 2a1 of hole one inwall has screw thread,
The 2a2 of hole two internal diameter is more than the 2a1 of hole one internal diameter, and the outer wall thread of screw rod 6 is connected in the 2a1 of hole one, the locking end of locking nut 7
In the 2a2 of end face hold-down apertures two.The 2a2 of hole two internal diameter is more than the external diameter of locking nut 7.The 2a1 of the hole one and 2a2 of hole two is integral type
Structure.There is red copper pad 9, the locking end of locking nut 7 can be pressed in the one side of red copper pad 9 in the 2a2 inner bottom walls of hole two.It is purple
9 one kind for belonging to metal jacketed gasket of copper packing, there is good corrosion resistance, wearability and crushing resistance are more prominent.Red copper
Pad 9 plays wear-resisting effect.Red copper pad 9 is in annular.The left end end of screw rod 6 offers screw tool bore 6b.Screw rod 6 is carried out
During operation, realized by screwdriver.Screw tool bore 6b is a word hole.Can also be cross bore in practice.Locking nut 7 is six
Angle nut.Housing 2 is threaded on the outer wall of nozzle 1.A pair of locking hole 7a is offered on locking nut 7.Pass through lock hole 7a
Realize that the rotary motion to locking nut 7 limits.The length of thimble 8 is more than the length of screw rod 6.
NM detailed structure in present specification, specific part dimension and principle be existing known general knowledge or
What those skilled in the art can be derived that by simple selection, do not repeat.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (10)
1. safety valve, including nozzle (1), housing (2), adjusting ring (3), flap (4) and Disc holder (5), nozzle (1) top and bottom
Portion is opening, and housing (2) is connected in nozzle (1) outer wall, and the top exterior walls of nozzle (1) are threaded with adjusting ring (3), the regulation
Enclose on the outer wall of (3) and offer some circumferentially spaced slots (3a), the top of adjusting ring (3) has what is be connected with each other
Flap (4) and Disc holder (5), the flap (4) can be opened and closed at the top of the nozzle (1), and screw thread is offered on the housing (2)
Mounting hole (2a), there is regulation component on the threaded mounting hole (2a), it is characterised in that：The regulation component includes screw rod
(6), locking nut (7) and thimble (8), screw rod (6) outer wall have screw thread, offered in the right-hand member of the screw rod (6) blind
Hole (6a), the inner of the thimble (8) are inserted in the blind hole (6a), and the outer end of the thimble (8) withstands on corresponding slot
On (3a), the locking nut (7) is threaded on the screw rod (6) left end outer wall and the locking of the locking nut (7)
End end face is pressed on the housing (2).
2. safety valve according to claim 1, it is characterised in that the threaded mounting hole (2a) is by interconnected hole one
(2a1) and hole two (2a2) is formed, and the inwall of the hole one (2a1) has screw thread, and the internal diameter of the hole two (2a2) is more than hole one
The internal diameter of (2a1), screw rod (6) outer wall thread are connected in the hole one (2a1), the locking end of the locking nut (7)
End face is pressed in the hole two (2a2).
3. safety valve according to claim 2, it is characterised in that there is red copper pad in hole two (2a2) inner bottom wall
(9), the locking end of the locking nut (7) can be pressed in the one side of red copper pad (9).
4. safety valve according to claim 3, it is characterised in that the red copper pad (9) is in annular.
5. according to the safety valve described in claim 1 or 2 or 3 or 4, it is characterised in that screw rod (6) the left end end offers
Screw tool bore (6b).
6. safety valve according to claim 5, it is characterised in that the screw tool bore (6b) is a word hole.
7. according to the safety valve described in claim 1 or 2 or 3 or 4 or 6, it is characterised in that the locking nut (7) is hexagonal
Nut.
8. according to the safety valve described in claim 1 or 2 or 3 or 4 or 6, it is characterised in that the housing (2) is threaded in
On nozzle (1) outer wall.
9. according to the safety valve described in claim 1 or 2 or 3 or 4 or 6, it is characterised in that opened up on the locking nut (7)
There is a pair of locking hole (7a).
10. according to the safety valve described in claim 1 or 2 or 3 or 4 or 6, it is characterised in that thimble (8) length is more than spiral shell
Bar (6) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844397.1U CN207005380U (en) | 2017-07-12 | 2017-07-12 | Safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720844397.1U CN207005380U (en) | 2017-07-12 | 2017-07-12 | Safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207005380U true CN207005380U (en) | 2018-02-13 |
Family
ID=61452788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720844397.1U Expired - Fee Related CN207005380U (en) | 2017-07-12 | 2017-07-12 | Safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207005380U (en) |
-
2017
- 2017-07-12 CN CN201720844397.1U patent/CN207005380U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Process for making U-shape matching box of gas safety valve Effective date of registration: 20181220 Granted publication date: 20180213 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yuhuan branch Pledgor: ZHEJIANG HIRON MACHINERY CO.,LTD. Registration number: 2018330000494 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211206 Granted publication date: 20180213 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yuhuan branch Pledgor: ZHEJIANG HIRON MACHINERY CO.,LTD. Registration number: 2018330000494 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Safety valve Effective date of registration: 20211209 Granted publication date: 20180213 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yuhuan branch Pledgor: ZHEJIANG HIRON MACHINERY CO.,LTD. Registration number: Y2021980014630 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 |