CN104214378B - Safety valve - Google Patents
Safety valve Download PDFInfo
- Publication number
- CN104214378B CN104214378B CN201310215691.2A CN201310215691A CN104214378B CN 104214378 B CN104214378 B CN 104214378B CN 201310215691 A CN201310215691 A CN 201310215691A CN 104214378 B CN104214378 B CN 104214378B
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- Prior art keywords
- magnetic part
- channel
- closure member
- safety valve
- valve
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/12—Covers for housings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
- F16K31/084—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet the magnet being used only as a holding element to maintain the valve in a specific position, e.g. check valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a kind of safety valves, comprising: valve body, closure member, the first magnetic part and the second magnetic part.Channel is equipped in the valve body；The closure member is movably arranged on the valve body between the open position for opening the channel and the closed position for closing the channel；First magnetic part is located on the closure member；Second magnetic part is located on the valve body, and second magnetic part and first magnetic part interaction make the body part of the closure member be subjected to the power mobile to the closed position.Safety valve according to an embodiment of the present invention, structure is simple, it is easy to assembly and at low cost, it not only can be in order to the quick opening of safety valve, and also avoid the effect bring adverse effect in traditional technology due to frictional force, the requirement on machining accuracy for reducing safety valve keeps the cost of safety valve low, and improves the stability of safety valve.
Description
Technical field
The present invention relates to safety equipment manufacturing technology field, in particular to a kind of safety valve.
Background technique
Current most of safety valves are all to withstand spool using spring force to seal valve port, when gas pressure is higher than spring force
When, spring is compressed, and safety valve, which is opened, realizes exhaust, movement of this safety valve with spool, amount of spring compression increase, and spring is made
Power on spool also increases as, and it is unfavorable that this, which opens rapidly safety valve, and safe pressure value can be by flow shadow
Sound is larger.Spring loaded safety valve generally can all be influenced by frictional force, and maintain the stabilization of safe pressure value, to spring
The requirement on machining accuracy of the performance requirements such as material, fatigue and correlated parts is higher, virtually will increase cost, general spring formula
The stability of safety valve is not fine.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem at least to a certain extent or at least provide one kind useful quotient
Industry selection.For this purpose, an object of the present invention is to provide the safety valves that a kind of structure is simple and unlatching is quick.
Safety valve according to an embodiment of the present invention, comprising: valve body, closure member, the first magnetic part and the second magnetic part.Specifically
For, channel is equipped in the valve body；The closure member is in the open position for opening the channel and the pass for closing the channel
It is movably arranged between closed position on the valve body；First magnetic part is located on the closure member；Described second is magnetic
Part is located on the valve body, and second magnetic part and first magnetic part interaction make the body part of the closure member
It is subjected to the power mobile to the closed position；The inner wall in adjusting spool, the adjusting spool and the channel is connected by screw thread
It connects, the hole being connected to the channel, and the outside wall surface of the adjusting spool and the channel is formed in the adjusting spool
Sealing ring is equipped between inner wall.
Safety valve according to an embodiment of the present invention controls envelope by the magnetic force between the first magnetic part and the second magnetic part
The opening and closing of closing member keep the structure of safety valve simple, easy to assembly and at low cost, and avoid using spring control closing
Part, not only can be in order to the quick opening of safety valve, but also also avoids the effect bring in traditional technology due to frictional force
Adverse effect reduces the requirement on machining accuracy of safety valve, keeps the cost of safety valve low, and improves the stability of safety valve,
Improve the security performance of equipment.
In addition, safety valve according to the above embodiment of the present invention, can also have the following additional technical features:
According to one embodiment of present invention, the wall in the channel is equipped with the flange extended into the channel, in institute
Closure member described in closed position is stated to be pressed on the flange.The structure for simplifying safety valve as a result, makes valve body convenient formation,
And it is convenient for the production and assembly of safety valve, the production efficiency of safety valve is improved, and reduce the cost of manufacture of safety valve, had
Higher practicability.
According to one embodiment of present invention, the surface of the entrance on the flange far from the channel is equipped with convex annular
Platform, the closure member described in the closed position are pressed on the annular convex platform.It is further closed as a result, convenient for closure member logical
Road improves the leakproofness of closure member closing passage, is cooperated using boss and closure member, reduces the required precision of closure member,
Make closure member that can not only increase the shaping efficiency of closure member with rapid shaping, and reduces the forming cost of closure member.
According to one embodiment of present invention, first magnetic part is located at entering far from the channel on the closure member
On the surface of mouth, second magnetic part is located in the channel and is located at the one of entrance of the closure member towards the channel
Side, first magnetic part and second magnetic part attract each other.As a result, between the first magnetic part and the second magnetic part
It under magneticaction, is located at the first magnetic part steadily on the surface of closure member, improves the stability of the first magnetic part.
According to one embodiment of present invention, the adjusting spool is far from first magnetic part and close to described first
It is movably arranged on the direction of magnetic part in the channel, second magnetic part is located in the adjusting spool.As a result, may be used
To adjust the distance between the first magnetic part and the second magnetic part by adjusting spool, the first magnetic part and the second magnetic part it
Between distance it is smaller when, the cracking pressure of safety valve is big, and when the distance between the first magnetic part and the second magnetic part is larger,
The cracking pressure of safety valve is small.
According to one embodiment of present invention, the adjusting spool and the inner wall in the channel are connected through a screw thread.As a result,
Make adjusting spool is stable to be mounted on valve body, improve the stability of adjusting spool, in addition, needing to adjust the first magnetic part
When the distance between second magnetic part, the first magnetic part can be made close to or away from the second magnetic part with rotating regulation valve core, and
Can make adjusting spool it is stable be parked in predetermined position, make the pre- spacing in interval stable between the first magnetic part and the second magnetic part
From, and realize the electrodeless adjustment of spacing distance between the first magnetic part and the second magnetic part.Improve the applicable model of safety valve
It encloses, increases the practicability of safety valve.
According to one embodiment of present invention, it is formed with the hole being connected to the channel in the adjusting spool, and described
Sealing ring is equipped between the outside wall surface of adjusting spool and the inner wall in the channel.As a result, safety valve is safe in equipment
When, adjusting spool can be made to be connected with other elements of equipment, to realize the installation of safety valve, safety valve is easily installed, mentions
The high installation effectiveness of safety valve.
According to one embodiment of present invention, the closure member includes interconnecting piece and the board body part that can close the channel,
The board body part is equipped with the card slot for the first magnetic part described in clamping, the first end of the interconnecting piece and the board body part phase
Even and second end is connected with the valve body.The closing for not only the alloing sealing element stable as a result, channel, but also in sealing element
In mobile process, closure member can keep stable, improve the stability of closure member, improve the safety of safety valve.
It according to one embodiment of present invention, further include valve deck, the valve deck is mounted on the valve body, and the valve deck
The second end of the interconnecting piece is compressed with valve body cooperation.It is convenient for the installation of closure member as a result, improves the installation of closure member
Efficiency saves the time.
According to one embodiment of present invention, the interconnecting piece is arc, and the interconnecting piece of arc is often with oriented institute
State the power that closed position compresses the board body part.The stability in board body part moving process is improved as a result, stablizes closure member
Move between open and closed positions, further increase the stability of safety valve.And the interconnecting piece of arc
Elastic reaction can increase the power to board body part, improve the scope of application of safety valve.
According to one embodiment of present invention, through-hole is equipped at the center in the valve deck.Lead to fluid quickly as a result,
Safety valve is crossed, is convenient for quick pressure releasing, improves security performance.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the cross-sectional view of the safety valve of one embodiment of the present of invention；
Fig. 2 is the cross-sectional view of the safety valve of another embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Current most of safety valves are all to withstand spool using spring force to seal valve port, when gas pressure is higher than spring force
When, spring is compressed, and safety valve, which is opened, realizes exhaust, movement of this safety valve with spool, amount of spring compression increase, and spring is made
Power on spool also increases as, and it is unfavorable that this, which opens rapidly safety valve, and safe pressure value can be by flow shadow
Sound is larger.Spring loaded safety valve generally can all be influenced by frictional force, and maintain the stabilization of safe pressure value, to spring
The requirement on machining accuracy of the performance requirements such as material, fatigue and correlated parts is higher, virtually will increase cost, general spring formula
The stability of safety valve is not fine.For this purpose, the invention proposes a kind of safety valves controlled by magnetic force.
The safety valve of the present invention is described in detail embodiment with reference to the accompanying drawings.
As depicted in figs. 1 and 2, safety valve according to an embodiment of the present invention, comprising: valve body 10, closure member 20, first are magnetic
Part 31 and the second magnetic part 32.
Specifically, being equipped with channel (not shown) in valve body 10, and valve body 10 enters equipped with the fluid for being connected to the channel
Mouth and fluid outlet.Closure member 20 is removable between the open position for opening the channel and the closed position for closing the channel
It is located on valve body 10 dynamicly.Fig. 1 is schematic diagram when closure member 20 is in the closed position, and closure member 20 is closed described logical at this time
Road flow out the fluid entered in channel from fluid inlet can not from fluid outlet；When the pressure of fluid reaches predetermined value, stream
Body is larger to the pressure of closure member 20, keeps closure member 20 mobile to open position, i.e., as shown in Figure 2.First magnetic part 31 is located at
On closure member 20.Second magnetic part 32 is located on valve body 10, and the second magnetic part 32 makes to seal with the interaction of the first magnetic part 31
The body part of closing member 20 is subjected to the power mobile to the closed position.In other words, the first magnetic part 31 and the second magnetic part 32
Interaction, so that closure member 20 is subjected to the power for closing the channel.
Safety valve according to an embodiment of the present invention is controlled by the magnetic force between the first magnetic part 31 and the second magnetic part 32
The opening and closing of closure member 20 processed, keep the structure of safety valve simple, easy to assembly and at low cost, and avoid controlling using spring
Closure member, not only can be in order to the quick opening of safety valve, but also also avoids the zone of action in traditional technology due to frictional force
The adverse effect come, reduces the requirement on machining accuracy of safety valve, keeps the cost of safety valve low, and improve the stabilization of safety valve
Property, improve the security performance of equipment.
Safety valve of the invention can be used as air pressure and it is hydraulic etc. in safety valve, have a wide range of application.
As shown in Figure 1, in some embodiments of the invention, the wall in the channel is equipped with to be extended into the channel
Flange 11 is pressed on flange 11 in the closed position closure member 20.The structure for simplifying safety valve as a result, makes valve body 10
Convenient formation, and it is convenient for the production and assembly of safety valve, the production efficiency of safety valve is improved, and reduce the production of safety valve
Cost, practicability with higher.
Advantageously, the surface of the entrance (not shown) on flange 11 far from the channel is equipped with annular convex platform 12, in institute
Closed position closure member 20 is stated to be pressed on annular convex platform 12.Further it is convenient for 20 closing passage of closure member as a result, improves
The leakproofness of 20 closing passage of closure member is cooperated using boss and closure member 20, reduces the required precision of closure member 20, make to seal
Closing member 20 can not only increase the shaping efficiency of closure member 20 with rapid shaping, and reduce the forming cost of closure member 20.
Further, the first magnetic part 31 is located on the surface of the entrance on closure member 20 far from the channel, the second magnetic
Property part 32 be located in the channel and be located at the side of entrance of the closure member 20 towards the channel, the first magnetic part 31 and second
Magnetic part 32 attracts each other.As a result, under the magneticaction between the first magnetic part 31 and the second magnetic part 32, make the first magnetism
Part 31 is steadily located on the surface of closure member 20, improves the stability of the first magnetic part 31.
Specifically, second magnetic part 32 is located at as shown in Figure 1, the first magnetic part 31 is located at the upper surface of closure member 20
The lower section of the closure member 20, and the first magnetic part 31 and the second magnetic part 32 attract each other.
Further, the safety valve further includes adjusting spool 40, and adjusting spool 40 is in separate first magnetic part 31 and leans on
It is movably arranged in the channel on the direction of nearly second magnetic part 32, the second magnetic part 32 is located in adjusting spool 40.By
This, can adjust the distance between the first magnetic part 31 and the second magnetic part 32 by adjusting spool 40, in the first magnetic part 31
When the distance between second magnetic part 32 is smaller, the cracking pressure of safety valve is big, and magnetic in the first magnetic part 31 and second
When the distance between part 32 is larger, the cracking pressure of safety valve is small.
Further, it is also possible to which the first magnetic part 31 and the second magnetic part 32 are each provided at the separate channel of closure member 20
The side of entrance, and the first magnetic part 31 is connected with closure member 20, the first magnetic part 31 and the second magnetic part 32 are mutually exclusive.Or
First magnetic part 31 and the second magnetic part 32, are each provided at the side of the entrance towards the channel of closure member 20 by person, and first
Magnetic part 31 is fixed on closure member 20, and the first magnetic part 31 and the second magnetic part 32 are mutually exclusive.
Advantageously, in order to improve the stability of the first magnetic part 31, the first magnetic part 31 can also be passed through the side such as adhesion
Formula is fixed on closure member 20.
Advantageously, adjusting spool 40 and the inner wall in the channel are connected through a screw thread.
Further, it is also possible to which position limiting structure is arranged on the inner wall in the channel or adjusting spool 40, make adjusting spool 40 can
To be parked in predetermined position.Certainly, the mode of above-mentioned adjusting adjusting spool 40 is only some specific examples of the invention, for originally having
The other structures of the position of known adjustable adjusting spool 40 in technology, the present invention is without being described in detail, this is for this field
Those of ordinary skill will be understood by.
Further, the hole 401 being connected to the channel, and the outside wall surface in hole 401 and institute are formed in adjusting spool 40
It states and is equipped with sealing ring 50 between the inner wall in channel.Safety valve safety when in equipment, can be made into adjusting spool 40 as a result,
It is connected with other elements of equipment, to realize the installation of safety valve, is easily installed safety valve, improves the installation effect of safety valve
Rate.
As shown in Figure 1, in some embodiments of the invention, closure member 20 includes interconnecting piece 21 and can close the channel
Board body part 22, board body part 22 be equipped with for the first magnetic part of clamping 31 card slot (not shown), the first end of interconnecting piece 21
(i.e. as shown in Figure 1 downward one end) is connected with board body part 22, and the second end (i.e. as shown in Figure 1 upward one of interconnecting piece 21
End) it is connected with valve body 10.The closing for not only the alloing sealing element 20 stable as a result, channel, and it is mobile in sealing element 20
During, closure member 20 can keep stable, improve the stability of closure member 20, improve the safety of safety valve.
In addition, the safety valve further includes valve deck 60, valve deck 60 is mounted on valve body 10, and valve deck 60 and valve body 10 cooperate
Compress the second end of interconnecting piece 21.It is convenient for the installation of closure member 20 as a result, improves the installation effectiveness of closure member 20, when saving
Between.
Specifically, as shown in Figure 1, the channel penetrates through valve body 10, and the top of the wall in channel is equipped with mounting groove, and valve
Lid 60 is equipped with the fin cooperated with the mounting groove, and the second end of interconnecting piece 21 is located in the mounting groove, and the fin
It is pressed on the second end of interconnecting piece 21.
Advantageously, interconnecting piece 21 is arc, and the interconnecting piece 21 of arc compresses board body part often with the oriented closed position
22 power.The stability in 22 moving process of board body part is improved as a result, keeps closure member 20 stable in open position and closing
It is moved between position, further increases the stability of safety valve.And the elastic reaction of the interconnecting piece 21 of arc can increase
To the power of board body part 22, the scope of application of safety valve is improved.
In addition, being equipped with through-hole 601 at center in valve deck 60.Fluid is set quickly to pass through safety valve as a result, convenient for quick
Pressure release improves security performance.
The structure and its working principle of the embodiment of the present invention are simply described with reference to the accompanying drawings.
In the present embodiment, safety valve is in pneumatic compression devices, safety valve of the invention to be magnetic force diaphragm-type safety valve.This
Invention overcomes generated active force under the action of gas pressure of closure member 20 using magnetic force, when the gas that closure member 20 is subject to
When pressure is higher than the elastic force of the magnetic force and closure member 20 that set, the closure member 20 of safety valve, which is opened, realizes exhaust, and with envelope
Closing member 20 is opened, and the distance between the first magnetic part 31 and the second magnetic part 32 increase, the first magnetic part 31 and the second magnetic part
Suction between 32 reduces, therefore the unlatching of closure member 20 is rapid, and gas pressure can lower rapidly.The present invention uses diaphragm
Formula closure member 20 supports the first magnetic part 31 and seals, and makes safety valve during opening and closing substantially not by frictional force shadow
It rings, improves the response speed and stability of safety valve.Whole technical performances and index with spring loaded safety valve, and its
Structure is simple, set-pressure adjusting range is big, it is stable to open fast response time, cracking pressure and can accurately set, for a long time
Using not easy to fatigue, easy to use, securely and reliably.
The safety valve of the embodiment of the present invention includes: valve deck 60, and closure member 20, the first magnetic part 31, valve body 10, second is magnetic
Part 32, sealing ring 50 and adjusting spool 40.Valve deck 60 is fixed between them by closure member 20 by connecting with valve body 10, valve deck
The through-hole 601 being connected to ambient atmosphere is offered on 60.Closure member 20 is made of elastic rubber class material, in closure member 20
There is the thin ring region of arch, 20 middle section of closure member studs with the first magnetic part 31, and the first magnetic part 31 can be with 20 middle part of closure member
Divide and moves up and down.Valve body 10 is equipped with through-hole and seal and exhaust outlet, valve body 10 are connected through a screw thread with adjusting spool 40, therebetween
Equipped with sealing ring 50.Second magnetic part 32 is fixed on one end of adjusting spool 40, and adjusting spool 40 is equipped with hole 401, is adjusted
40 other end of spool connects air-channel system.Specific structure is as shown in Figure 1.
Working principle: when the gas pressure inputted from the hole of adjusting spool 40 401 is lower, closure member 20 is due to the first magnetic
The suction of property part 31 and the second magnetic part 32 moves downward the seal for sealing valve body 10, closes the channel, pacifies at this time
Full valve is in the closed position, is not vented (as shown in Figure 1).When the gas pressure inputted from the hole of adjusting spool 40 401 is more than the
When the elastic force of the connector of suction and closure member 20 between one magnetic part 31 and the second magnetic part 32, closure member 20 and the first magnetic
Property part 31 move upwards, safety valve opens exhaust (as shown in Figure 2), and as closure member 20 and the first magnetic part 31 are to moving up
Dynamic, the distance between the first magnetic part 31 and the second magnetic part 32 increase, and the suction between them becomes smaller, therefore safety valve can be fast
Speed is opened, and the pressure after unlatching is reduced rapidly, and plays the role of protecting air-channel system.The cracking pressure value of safety valve is set
It can be realized by adjusting change the distance between the first magnetic part 31 and the second magnetic part 32 of adjusting spool 40, distance is big, peace
The safe pressure setting value of full valve is with regard to small, otherwise apart from small, and the safe pressure setting value of safety valve is with regard to big.Closure member 20 and first
Frictional force is substantially absent in magnetic part 31 during up and down motion, therefore the stability of safety valve can be improved, and reduces processing
Required precision.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (7)
1. a kind of safety valve characterized by comprising
Valve body, the valve body is interior to be equipped with channel；
Closure member, the closure member are removable between the open position for opening the channel and the closed position for closing the channel
It is located on the valve body dynamicly；
First magnetic part, first magnetic part are located on the closure member；With
Second magnetic part, second magnetic part are located on the valve body, and second magnetic part and first magnetic part
Interaction makes the body part of the closure member be subjected to the power mobile to the closed position；
Adjusting spool, the adjusting spool and the inner wall in the channel are connected through a screw thread, be formed in the adjusting spool with
The hole of the channel connection, and sealing ring is equipped between the outside wall surface of the adjusting spool and the inner wall in the channel,
The closure member includes interconnecting piece and the board body part that can close the channel, the first end of the interconnecting piece and the plate body
Portion is connected and second end is connected with the valve body, and first magnetic part is located at the entrance on the closure member far from the channel
Surface on,
It further include valve deck, the valve deck is mounted on the valve body, and the valve deck and valve body cooperation compress the connection
The second end in portion is equipped with through-hole at the center in the valve deck.
2. safety valve according to claim 1, which is characterized in that the wall in the channel is equipped with to be extended into the channel
Flange, the closure member described in the closed position is pressed on the flange.
3. safety valve according to claim 2, which is characterized in that the surface of the entrance on the flange far from the channel
It is equipped with annular convex platform, the closure member described in the closed position is pressed on the annular convex platform.
4. safety valve according to claim 2, which is characterized in that second magnetic part is located in the channel and is located at
The side of entrance of the closure member towards channel, first magnetic part and second magnetic part attract each other.
5. safety valve according to claim 4, which is characterized in that the adjusting spool far from first magnetic part and
It is movably arranged in the channel on the direction of first magnetic part, second magnetic part is located at the regulating valve
On core.
6. safety valve according to claim 1, which is characterized in that the board body part is equipped with for the first magnetic described in clamping
The card slot of property part.
7. safety valve according to claim 6, which is characterized in that the interconnecting piece is arc, and the connection of arc
Portion compresses the power of the board body part often with the oriented closed position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215691.2A CN104214378B (en) | 2013-05-31 | 2013-05-31 | Safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215691.2A CN104214378B (en) | 2013-05-31 | 2013-05-31 | Safety valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104214378A CN104214378A (en) | 2014-12-17 |
| CN104214378B true CN104214378B (en) | 2019-06-25 |
Family
ID=52096151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310215691.2A Active CN104214378B (en) | 2013-05-31 | 2013-05-31 | Safety valve |
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| CN (1) | CN104214378B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107924378B (en) * | 2015-07-30 | 2020-12-18 | 瓦伦斯半导体有限责任公司 | Seamless addition of high bandwidth channels |
| CN109140041B (en) * | 2018-10-19 | 2024-07-19 | 惠州海卓科赛医疗有限公司 | Valve plug, high-pressure pump structure and valve plug sealing method |
| CN110137412A (en) * | 2019-06-04 | 2019-08-16 | 天能电池(芜湖)有限公司 | The anti-lost safety valve of tandem |
| WO2023082293A1 (en) * | 2021-11-15 | 2023-05-19 | 深圳市大疆创新科技有限公司 | Centrifugal spray nozzle, spraying system, and plant protection unmanned aerial vehicle |
| CN114183351B (en) * | 2021-12-17 | 2023-03-28 | 珠海格力电器股份有限公司 | Scroll compressor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2826114Y (en) * | 2005-09-30 | 2006-10-11 | 刘波 | Magnetic levitation three-security self-closing valve for pipeline gas |
| CN101229411A (en) * | 2006-12-25 | 2008-07-30 | 北京谊安医疗系统股份有限公司 | Safety valve |
| CN201513567U (en) * | 2009-04-30 | 2010-06-23 | 鱼宣 | Pipeline gas self-closing valve |
| CN203322407U (en) * | 2013-05-31 | 2013-12-04 | 北京谊安医疗系统股份有限公司 | Safety valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3549501B2 (en) * | 2001-07-23 | 2004-08-04 | カネキタ株式会社 | Air pulser and device using the air pulser |
-
2013
- 2013-05-31 CN CN201310215691.2A patent/CN104214378B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2826114Y (en) * | 2005-09-30 | 2006-10-11 | 刘波 | Magnetic levitation three-security self-closing valve for pipeline gas |
| CN101229411A (en) * | 2006-12-25 | 2008-07-30 | 北京谊安医疗系统股份有限公司 | Safety valve |
| CN201513567U (en) * | 2009-04-30 | 2010-06-23 | 鱼宣 | Pipeline gas self-closing valve |
| CN203322407U (en) * | 2013-05-31 | 2013-12-04 | 北京谊安医疗系统股份有限公司 | Safety valve |
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| CN104214378A (en) | 2014-12-17 |
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