CN207421422U - A kind of spring loaded safety valve - Google Patents
A kind of spring loaded safety valve Download PDFInfo
- Publication number
- CN207421422U CN207421422U CN201721469929.4U CN201721469929U CN207421422U CN 207421422 U CN207421422 U CN 207421422U CN 201721469929 U CN201721469929 U CN 201721469929U CN 207421422 U CN207421422 U CN 207421422U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- spring loaded
- deck
- loaded safety
- 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
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Abstract
The utility model discloses a kind of spring loaded safety valves, including valve body, exit passageway and installation passage are offered on the valve body, the inner wall of the installation passage is equipped with valve seat, the valve body is equipped with valve deck, guide sleeve is arranged with jointly on the valve body and valve deck, protective cover is installed on the valve deck, the valve deck internal thread is connected with adjustment screw, valve rod is inserted in the adjustment screw, mounting base is arranged on the valve rod, spring is equipped between the mounting base and adjustment screw, the lower end of the valve rod is arranged with Disc holder, adjusting ring is equipped between the Disc holder and valve seat, the upper surface of the valve body is uniformly provided with multiple mounting grooves, card slot there are two symmetrically being opened up in each mounting groove, the lower surface of the valve deck is uniformly provided with multiple grooves.The utility model is simple in structure, easy to use, relatively low for the required precision of mounting groove, card slot and groove, reduces manufacture difficulty, under alternate load, is not easy to loosen, be worthy to be popularized.
Description
Technical field
The utility model is related to safety valve technical field more particularly to a kind of spring loaded safety valves.
Background technology
It is more and more in the items of equipment engineering with pressure management with the fast development of economic construction of China, in view of
The needs of equipment pressure release, safety valve play the role of vital in device procedures are protected, and safety valve is opening and closing element by outer
Power effect is lower in normally off, when the pressure medium in equipment or pipeline increases to over specified value, by being arranged outside system
Medium is put to prevent that pressure medium is more than the Special valve of specified value in pipeline or equipment.Safety valve belongs to automatic valve class, main
Boiler, pressure vessels and pipes are used for, control pressure to be no more than specified value, important guarantor has been run to personal safety and equipment
Shield acts on.Safety valve is divided into spring loaded safety valve and lever safety valve, and spring loaded safety valve refers to the elastic pressure by spring
And be latched the sealing elements such as the valve of valve or plunger, the high pressure generated after when the pressure anomaly of pressure vessel will overcome safety
The spring pressure of valve so blocking device is open-top, forms a pressure release passage, high voltage relief is fallen.And existing spring
It is attached using multiple bolts between the valve body and valve deck of formula safety valve, under alternate load, easily loosened, while each bolt
Stress to be unable to reach substantially uniformity consistent, part bolt may shift to an earlier date fatigue fracture, while need to open up through hole on valve body,
It is higher to the required precision of through hole, the intensity of valve body is reduced, while causes stress concentration.
Utility model content
The purpose of this utility model is to solve to use between the valve body and valve deck of spring loaded safety valve in the prior art
Multiple bolts are attached, and under alternate load, are easily loosened, while to be unable to reach substantially uniformity consistent for the stress of each bolt,
Part bolt may shift to an earlier date fatigue fracture, while need to open up through hole on valve body, higher to the required precision of through hole, reduce valve
The intensity of body, while the problem of cause stress concentration, and a kind of spring loaded safety valve proposed.
To achieve these goals, the utility model employs following technical solution:
A kind of spring loaded safety valve including valve body, offers exit passageway and installation passage, and installs logical on the valve body
Road is connected with exit passageway, and the inner wall of the installation passage is equipped with valve seat, and intake channel is offered on valve seat, the valve body
Valve deck is equipped with, is arranged with guide sleeve jointly on the valve body and valve deck, protective cover is installed on the valve deck, in the valve deck
Adjustment screw is threaded with, valve rod is inserted in the adjustment screw, mounting base, the mounting base are arranged on the valve rod
Spring is equipped between adjustment screw, the lower end of the valve rod is arranged with Disc holder, is equipped with and adjusts between the Disc holder and valve seat
Pitch circle, the upper surface of the valve body are uniformly provided with multiple mounting grooves, are symmetrically opened up in each mounting groove there are two card slot,
The lower surface of the valve deck is uniformly provided with multiple grooves, is equipped with slide in each groove, is symmetrically slided on the slide
It is dynamic to be connected with L-type strip, and L-type strip is located at mounting groove and is fastened in card slot, common screw thread connects on two L-type strips
Bidirectional helical bar is connected to, one end of the bidirectional helical bar is connected with the micromachine being arranged on groove madial wall.
Preferably, the valve body is equipped with the first pedestal, and multiple first mounting holes are symmetrically offered on the first pedestal, and
First pedestal uses integrated formed structure with valve body.
Preferably, the valve body is equipped with the second pedestal, and multiple second mounting holes are symmetrically offered on second pedestal,
Second pedestal uses integrated formed structure with valve body.
Preferably, the spring is set on valve rod.
Preferably, two sections of screw threads are arranged on the bidirectional helical bar, and the line of two sections of screw threads is to opposite.
Preferably, one end of the bidirectional helical bar is connected on groove madial wall by needle bearing.
In the utility model, valve deck is placed on valve body, L-type strip is made to be located in the corresponding mounting groove in position, so
After open micromachine, bidirectional helical bar that minitype motor driving is attached thereto rotates, due to two sections of screw threads on bidirectional helical bar
Line on the contrary, be then located at the L-type strip on same root bidirectional helical bar is located remotely from each other slips on slide, drive L-type strip
It is fastened in card slot, you can valve deck is mounted on valve body;Device is mounted on pressure vessel by the first mounting hole, is passed through
Relief pipeline is mounted on device by the second mounting hole, and the high pressure generated after the pressure anomaly of pressure vessel will overcome safety valve
Spring pressure, Disc holder moves upwards, and intake channel connects to form pressure release passage with exit passageway, and high voltage relief is fallen;It is micro-
Type motor can be few superfluous herein by wireless control, relevant concrete structure and the technology that Principle of Communication is existing maturation.This practicality
New structure is simple, easy to use, relatively low for the required precision of mounting groove, card slot and groove, manufacture difficulty is reduced, in alternation
Under load, it is not easy to loosen, is worthy to be popularized.
Description of the drawings
Fig. 1 be the utility model proposes a kind of spring loaded safety valve structure diagram;
Fig. 2 be the utility model proposes a kind of spring loaded safety valve in enlarged drawing at a.
In figure:1 valve body, 2 intake channels, 3 valve seats, 4 adjusting rings, 5 Disc holders, 6 valve decks, 7 springs, 8 adjustment screws, 9 are protected
Shield, 10 valve rods, 11 mounting bases, 12 guide sleeves, 13 exit passageways, 14 bidirectional helical bars, 15L types strip, 16 micromachines, 17
Mounting groove, 18 card slots, 19 needle bearings, 20 slides.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.
In the description of the utility model, it is to be understood that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instructions such as " top ", " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
With reference to Fig. 1-2, a kind of spring loaded safety valve, including valve body 1, valve body 1 is equipped with the first pedestal, and on the first pedestal
Multiple first mounting holes are symmetrically offered, and the first pedestal uses integrated formed structure with valve body 1, valve body 1 is equipped with the second base
Seat, symmetrically offers multiple second mounting holes on the second pedestal, and the second pedestal and valve body 1 are using integrated formed structure, on valve body 1
Exit passageway 13 and installation passage are offered, and installation passage is connected with exit passageway 13, the inner wall of installation passage is equipped with valve
Seat 3, and intake channel 2 is offered on valve seat 3, valve body 1 is equipped with valve deck 6, and guide sleeve is arranged with jointly on valve body 1 and valve deck 6
12, protective cover 9 is installed on valve deck 6,6 internal thread of valve deck is connected with adjustment screw 8, valve rod 10, valve are inserted in adjustment screw 8
Mounting base 11 is arranged on bar 10, spring 7 is equipped between mounting base 11 and adjustment screw 8, spring 7 is set on valve rod 10, valve
The lower end of bar 10 is arranged with Disc holder 5, and adjusting ring 4 is equipped between Disc holder 5 and valve seat 3, and the upper surface of valve body 1 is uniformly provided with more
A mounting groove 17 is symmetrically opened up in each mounting groove 17 there are two card slot 18, and the lower surface of valve deck 6 is uniformly provided with multiple recessed
Slot is equipped with slide 20 in each groove, L-type strip 15 is symmetrically slidably connected on slide 20, and L-type strip 15 is located at installation
Slot 17 is simultaneously fastened in card slot 18, is threaded with bidirectional helical bar 14 on two L-type strips 15 jointly, on bidirectional helical bar 14
Two sections of screw threads are arranged with, and the line of two sections of screw threads on one end of bidirectional helical bar 14 and groove madial wall on the contrary, pass through rolling
Needle bearing 19 connects, and needle bearing 19 is compact-sized small, and running accuracy is high, can be held while very high radial load is born
It by certain axial load, is easily installed, one end of bidirectional helical bar 14 and the micromachine 16 being arranged on groove madial wall
Connection.
When the utility model is used, valve deck 6 is placed on valve body 1, L-type strip 15 is made to be located at the corresponding peace in position
In tankage 17, micromachine 16 is then opened, micromachine 16 drives the bidirectional helical bar 14 being attached thereto to rotate, due to two-way
The line of two sections of screw threads is on the contrary, then the L-type strip 15 on same root bidirectional helical bar 14 is on slide 20 on threaded rod 14
Slip is located remotely from each other, L-type strip 15 is driven to be fastened in card slot 18, you can valve deck 6 is mounted on valve body 1;Pass through the first peace
It fills hole device is mounted on pressure vessel, relief pipeline is mounted on device by the second mounting hole, when pressure vessel
The high pressure generated after pressure anomaly will overcome 7 pressure of spring of safety valve, and Disc holder 5 moves upwards, and intake channel 2 is logical with outlet
The connection of road 13 forms pressure release passage, and high voltage relief is fallen;Micromachine 16 can be by wireless control, relevant concrete structure and communication
Principle is the technology of existing maturation, few superfluous herein.
The above is only the preferable specific embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of spring loaded safety valve, including valve body (1), which is characterized in that offer exit passageway (13) on the valve body (1)
And installation passage, and installation passage is connected with exit passageway (13), the inner wall of the installation passage is equipped with valve seat (3), and valve
Intake channel (2) is offered on seat (3), and the valve body (1) is equipped with valve deck (6), on the valve body (1) and valve deck 6 () jointly
Guide sleeve (12) is arranged with, protective cover (9) is installed on the valve deck (6), valve deck (6) internal thread is connected with adjustment screw
(8), valve rod (10) is inserted in the adjustment screw (8), mounting base (11), the mounting base is arranged on the valve rod (10)
(11) spring (7) is equipped between adjustment screw (8), the lower end of the valve rod (10) is arranged with Disc holder (5), the Disc holder
(5) adjusting ring (4) is equipped between valve seat (3), the upper surface of the valve body (1) is uniformly provided with multiple mounting grooves (17), each
It symmetrically opens up in the mounting groove (17) there are two card slot (18), the lower surface of the valve deck (6) is uniformly provided with multiple recessed
Slot is each equipped with slide (20) in the groove, L-type strip (15), and L-type is symmetrically slidably connected on the slide (20)
Strip (15) is located at mounting groove (17) and is fastened in card slot (18), is threaded with jointly on two L-type strips (15)
Bidirectional helical bar (14), one end of the bidirectional helical bar (14) and the micromachine (16) being arranged on groove madial wall connect
It connects.
2. a kind of spring loaded safety valve according to claim 1, which is characterized in that the valve body (1) is equipped with the first base
Seat, and multiple first mounting holes are symmetrically offered on the first pedestal, and the first pedestal uses integrated formed structure with valve body (1).
3. a kind of spring loaded safety valve according to claim 1, which is characterized in that the valve body (1) is equipped with the second base
, multiple second mounting holes are symmetrically offered on second pedestal, second pedestal is tied with valve body (1) using integrated molding
Structure.
4. a kind of spring loaded safety valve according to claim 1, which is characterized in that the spring (7) is set in valve rod
(10) on.
5. a kind of spring loaded safety valve according to claim 1, which is characterized in that symmetrical on the bidirectional helical bar (14)
Equipped with two sections of screw threads, and the line of two sections of screw threads is to opposite.
A kind of 6. spring loaded safety valve according to claim 1, which is characterized in that one end of the bidirectional helical bar (14)
It is connected on groove madial wall by needle bearing (19).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721469929.4U CN207421422U (en) | 2017-11-07 | 2017-11-07 | A kind of spring loaded safety valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721469929.4U CN207421422U (en) | 2017-11-07 | 2017-11-07 | A kind of spring loaded safety valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207421422U true CN207421422U (en) | 2018-05-29 |
Family
ID=62307833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721469929.4U Expired - Fee Related CN207421422U (en) | 2017-11-07 | 2017-11-07 | A kind of spring loaded safety valve |
Country Status (1)
Country | Link |
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CN (1) | CN207421422U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109990270A (en) * | 2019-04-06 | 2019-07-09 | 骆姝颖 | A kind of fluidized-bed combustion boiler using coal gangue combustion |
CN111075938A (en) * | 2019-12-31 | 2020-04-28 | 中国航空工业集团公司沈阳飞机设计研究所 | Deposit valve |
CN112856468A (en) * | 2021-04-22 | 2021-05-28 | 亿利洁能科技(乐陵)有限公司 | Boiler flue gas waste heat recovery equipment of recycling |
-
2017
- 2017-11-07 CN CN201721469929.4U patent/CN207421422U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109990270A (en) * | 2019-04-06 | 2019-07-09 | 骆姝颖 | A kind of fluidized-bed combustion boiler using coal gangue combustion |
CN111075938A (en) * | 2019-12-31 | 2020-04-28 | 中国航空工业集团公司沈阳飞机设计研究所 | Deposit valve |
CN112856468A (en) * | 2021-04-22 | 2021-05-28 | 亿利洁能科技(乐陵)有限公司 | Boiler flue gas waste heat recovery equipment of recycling |
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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: 20180529 Termination date: 20211107 |
|
CF01 | Termination of patent right due to non-payment of annual fee |