CN206290786U - It is a kind of to be applied to balance the dynamic seal structure in vent valve - Google Patents
It is a kind of to be applied to balance the dynamic seal structure in vent valve Download PDFInfo
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- CN206290786U CN206290786U CN201621427441.0U CN201621427441U CN206290786U CN 206290786 U CN206290786 U CN 206290786U CN 201621427441 U CN201621427441 U CN 201621427441U CN 206290786 U CN206290786 U CN 206290786U
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- seal
- vent valve
- movable part
- ventilated membrane
- balance
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Abstract
The utility model disclose it is a kind of be applied to balance the dynamic seal structure in vent valve, including the first seal, the second seal and drive mechanism, the sealing of the first seal is around being located on the side wall of the first waterproof ventilated membrane of balance vent valve bottom；Second seal and the first seal are oppositely arranged and surround the first cavity, and the first waterproof ventilated membrane is located in the first cavity；Drive mechanism is used to drive the second seal to be moved towards or away from the first seal direction, so that the second seal and the sealing of the first seal coordinate or depart from the first seal.The balance vent valve that this sealing structure will be provided with is arranged on the mounting surface of casing, when there is unusual service condition, when the humidity of outside air is more than or less than the humidity of box house, drive mechanism drives the second seal to be moved towards the first seal, and seal cooperation with the first seal, first waterproof ventilated membrane is sealed in the first cavity so that the part in casing can run under required constant damp condition.
Description
Technical field
The utility model is related to balance the technical field of vent valve, and in particular to it is a kind of be applied to balance in vent valve it is dynamic
State sealing structure.
Background technology
Balance vent valve can be applied on batteries of electric automobile pack casings, or high voltage control box body, or some are right
On air pressure or humidity requirement seal case higher.Especially in new-energy automobile parts pack battery bags, vent valve is balanced
On the mounting surface of battery bag product, the vent valve is when preventing installation casing internal pressure from changing, can to balance interior outer gas
Weighing apparatus is flattened, and when internally air pressure steeply rises, releasable internal pressure；Meanwhile, the vent valve is played installation casing
The internal function with extraneous seal isolation.
The structure of existing balance vent valve balances vent valve as disclosed in Chinese patent literature CN106090365A mostly,
It mainly includes housing, raised on case top surface, and ventilated membrane is set on bottom, and passage is opened up in main body, and in master
Form projection on body bottom, the cutting tip of projection is towards ventilated membrane.The balance vent valve of this structure is arranged on Battery case
On opening, under nominal situation, ventilated membrane isolates main body with the inner sealing of casing, when unusual service condition is in casing, meeting
Produce huge pressure to order about ventilated membrane towards bottom part body direction bending, now projection breaks ventilative membrane puncture, in casing
High pressure outwardly discharged through the passage after puncture, so as to prevent explosion phenomenon in casing, play explosion-proof effect.
But, the balance vent valve of said structure when in use, opens up mounting hole on the mounting surface of casing, vent valve it is convex
Rise through mounting hole site in the external world, housing is located in casing, box house is isolated from the outside by waterproof ventilated membrane, be can be used
After a period of time, the sealing property of waterproof ventilated membrane will certainly be reduced, and waterproof ventilated membrane can not be kept completely separate the water in the external world
Steam enters box house, and the humidity in casing can not keep steady state, especially when extraneous humidity is higher than in casing
Humidity when, extraneous vapor can pass through the gap at the edge of waterproof ventilated membrane enter box house, change humidity in casing,
Influence the normal operating conditions of casing interior element.For example, the battery system in Battery case cannot normally run.
Utility model content
Therefore, the technical problems to be solved in the utility model is the sealing for overcoming balance vent valve of the prior art
Difference, it is impossible to which humidity is in steady state, the problem for causing the element in casing normally to run in guard box body.
Therefore, the utility model provides a kind of dynamic seal structure being applied in balance vent valve, including
First seal, sealing is around being located on the side wall of the first waterproof ventilated membrane of balance vent valve bottom；
Second seal, is oppositely arranged and surrounds the first cavity, first waterproof ventilated membrane with first seal
In first cavity；
Drive mechanism, for driving second seal to be moved towards or away from the first seal direction, so that
Second seal is sealed with first seal and coordinates or depart from first seal.
Preferably, above-mentioned to be applied to balance the dynamic seal structure in vent valve, the drive mechanism sealing is around being located at
On the side wall of first waterproof ventilated membrane, first seal is by the drive mechanism around being located at first seal
Side wall on；
Also include being arranged on the movable part below drive mechanism, second seal is fixed on the movable part
On top surface；The driving structure drives the movable part to drive the second seal motion；The drive mechanism with
First seal, the second seal and the movable part surround first cavity.
It is further preferred that the above-mentioned dynamic seal structure being applied in balance vent valve, the movable part use
Magnetic material is made；The drive mechanism includes sealing around the supporter being located on the first waterproof ventilated membrane side wall, and
The coil in the supporter outside wall surface is wrapped in, after to the coil electricity, is produced and is driven the movable part vertically
The electromagnetic force of motion；First waterproof ventilated membrane is stretched into the supporter, and first seal is fixed on the support
On body bottom.
More preferably preferably, the above-mentioned dynamic seal structure being applied in balance vent valve, the top tool of the supporter
There is the depressed part for being suitable to the first waterproof ventilated membrane insertion, opened up first waterproof ventilated membrane and institute on the depressed part
State the second channel of the first cavity connection；First seal is arranged in the lower surface of the depressed part.
Preferably, the above-mentioned dynamic seal structure being applied in balance vent valve, in the lower surface of the depressed part
With the first outer for horizontally outward extending, first seal is fixed on the bottom of first outer；The depression
The bottom in portion has the first opening, and first opening is used as the second channel；The coil is set in the depressed part
In outside wall surface and it is overlapped on first outer.
It is further preferred that above-mentioned be applied to balance the dynamic seal structure in vent valve, first seal is
The first groove in the depressed part lower surface is opened in, second seal is molded on the movable part for protrusion
Can seal the first elastic sealed body snapped in first groove；Or
First seal is the second elastic sealed body for being molded in the depressed part lower surface of protrusion, described the
Two seals are the second groove that be opened on the movable part and can closely be snapped in by second elastic sealed body.
Preferably, the above-mentioned dynamic seal structure being applied in balance vent valve, also including resetting-mechanism, for supporting
The movable part and the driving movable part are directed away from the first seal direction motion.
It is further preferred that above-mentioned be applied to balance the dynamic seal structure in vent valve, the resetting-mechanism includes
At least one fixture below the movable part is arranged on, and is arranged between the fixture and the movable part
Elastomeric element；The elastomeric element can to the movable part to apply to be directed away from the drawing in the first seal direction
Power.
Preferably, the above-mentioned dynamic seal structure being applied in balance vent valve, also including guide frame, for guiding
The movable part vertically moves along a straight line.
It is further preferred that the above-mentioned dynamic seal structure being applied in balance vent valve, also including being opened with top
Mouth and the housing of inner chamber, the drive mechanism sealing are fixed in the open top of the housing, first waterproof ventilated membrane
Stretched into first cavity through the open top；The edge of the movable part has towards inner walls face level
At least three extensions for extending；
The guide frame is to be opened in being corresponded with the extension and vertically extending on the inner walls face
Gathering sill；The extension is stretched into the gathering sill, and the fixture is fixed on the bottom of the gathering sill correspondingly
In portion, the elastomeric element is located in the gathering sill.
Preferably, it is above-mentioned to be applied to balance the dynamic seal structure in vent valve, the movable part positioned at described
First through hole, the surface that homonymy is located at second seal of the first through hole are opened up at position in second seal
On be fixed with by the first through hole seal the second waterproof ventilated membrane；Second puncture portion is set on the bottom of the drive mechanism
Part, the spine of second lancet and means is rectified to second waterproof ventilated membrane and the shape between second waterproof ventilated membrane
Into preset clearance.
Preferably, it is above-mentioned to be applied to balance the dynamic seal structure in vent valve, also including be in communication with the outside first
Humidity sensor, is fixed on the second humidity sensor on the movable part bottom, and controller, the controller according to
The detection data of first moisture detector and second moisture detector, controls unlatching or the pass of the drive mechanism
Close.
Preferably, it is above-mentioned to be applied to balance the dynamic seal structure in vent valve, first groove and/or described the
Two grooves are annular groove, and first elastic sealed body and/or the second elastic sealed body are elastic seal ring；And/or
The movable part is plate.
Technical solutions of the utility model, have the following advantages that：
1. what the utility model was provided is applied to balance the dynamic seal structure in vent valve, including the first seal, the
Two seals and drive mechanism, side wall of the first seal sealing around the first waterproof ventilated membrane for being located at balance vent valve bottom
On；Second seal is oppositely arranged with first seal and surrounds the first cavity, and first waterproof ventilated membrane is located at institute
State in the first cavity；Drive mechanism is used to drive second seal to be moved towards or away from the first seal direction,
So that second seal is sealed with first seal coordinates or departs from first seal.
The dynamic seal structure of this structure, the dynamic seal structure of this structure is arranged on balance vent valve, then should
Balance vent valve is arranged on the mounting surface of casing, and dynamic structure is located in casing, and the first seal is formed with the second seal
The first cavity the first waterproof ventilated membrane is surrounded, under normal working condition, the humidity of extraneous humidity and box house
Quite, now the second seal departs from the first seal, and the first waterproof ventilated membrane is connected with box house；When there is unusual service condition
When, the humidity of outside air more than or less than box house humidity when, open drive mechanism so that the second seal is towards the
One seal is moved, and seals cooperation with the first seal, the first waterproof ventilated membrane is sealed in the first cavity so that first
Waterproof ventilated membrane is isolated with box house, and the vapor of extraneous high humility would not enter in casing, or cabinets cavity gas
Body will not be arranged outwardly to change the humidity in casing so that the part in casing can be under required constant damp condition
Run to improve the sealing property of balance vent valve；After unusual service condition is eliminated, drive mechanism drives the second seal direction again
Away from the motion of the first seal direction so that the second seal departs from the first seal and resets to the state of starting.
2. what the utility model was provided is applied to balance the dynamic seal structure in vent valve, and the movable part uses magnetic
Property material is made；The drive mechanism includes sealing around the supporter being located on the first waterproof ventilated membrane side wall, and twines
The coil in the supporter outside wall surface is wound on, after to the coil electricity, is produced and is driven the movable part vertically to transport
Dynamic electromagnetic force；First waterproof ventilated membrane is stretched into the supporter, and first seal is fixed on the supporter
On bottom.The magnetic field produced using hot-wire coil, applies electromagnetic force, to drive movable part to the movable part that magnetic material is made
Part drives the second seal to be moved towards or away from the first seal direction, is easy to control being turned on and off for drive mechanism.
3. what the utility model was provided is applied to balance the dynamic seal structure in vent valve, also including resetting-mechanism, uses
Moved in supporting the movable part and driving the movable part to be directed away from the first seal direction.When need not be by
When second seal and the sealing of the first seal coordinate, when to the logical reversely electricity of coil or no power, in the work of resetting-mechanism
Firmly, the second seal remains able to be directed away from the motion of the first seal direction, resets to initial state, further adds
The reseting procedure of fast second seal.
4. what the utility model was provided is applied to balance the dynamic seal structure in vent valve, also including guide frame, uses
Vertically moved along a straight line in the movable part is guided so that the second seal is just sealed and coordinated on the first seal,
Prevent position deviation occur in motion process.
5. what the utility model was provided is applied to balance the dynamic seal structure in vent valve, and the movable part is located at
Open up first through hole at position in second seal, the first through hole with second seal is located at homonymy
The second waterproof ventilated membrane for sealing the first through hole is fixed with surface；Second is set on the bottom of the drive mechanism to wear
Thorn part, the spine of second lancet and means rectify to second waterproof ventilated membrane and with second waterproof ventilated membrane it
Between form preset clearance.The setting of the second waterproof ventilated membrane and the second lancet and means, prevents abnormal conditions, casing in casing
Interior to produce huge air pressure, it is necessary to this air pressure is discharged, the second lancet and means are by the second waterproof and breathable on movable part
Film is staved, and air pressure enters the first waterproof on its bottom in the first cavity and by the first lancet and means with balanced valve sheet
Ventilated membrane is worn out, so as to the air pressure in casing be discharged so that box house is identical with the air pressure in the external world.
Brief description of the drawings
In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some implementation methods of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the knot that being applied to provided in the utility model embodiment 1 balances the dynamic seal structure in vent valve
Structure schematic diagram；
Fig. 2 is the vertical of the dynamic seal structure being applied in balance vent valve provided in the utility model embodiment 1
To generalized section；
Fig. 3 is the dynamic seal structure assembling that being applied to provided in the utility model embodiment 1 is balanced in vent valve
Longitudinal profile schematic diagram on balance vent valve (housing of dynamic seal structure is molded on the ventilative valve housing of balance)；
The structural representation (looking up direction) of the housing of the dynamic seal structure in Fig. 4 Fig. 3；
Fig. 5 is to be propped up during being applied to provided in the utility model embodiment 1 balances the dynamic seal structure in vent valve
The structural representation (overlook direction) of support body；
Fig. 6 is to be lived during being applied to provided in the utility model embodiment 1 balances the dynamic seal structure in vent valve
Dynamic component and resetting-mechanism, the assembling schematic diagram of the second waterproof ventilated membrane；
Fig. 7 is to be lived during being applied to provided in the utility model embodiment 1 balances the dynamic seal structure in vent valve
The assembling schematic diagram (removing the second waterproof ventilated membrane) of dynamic component and resetting-mechanism；
Fig. 8 is to be propped up during being applied to provided in the utility model embodiment 1 balances the dynamic seal structure in vent valve
The structural representation (looking up direction) of support body；
Description of reference numerals：1- housings；11- gathering sills；The waterproof ventilated membranes of 2- first；3- drive mechanisms；31- supporters；
311- depressed parts；The outers of 312- first；The outers of 313- second；32- coils；33- supports；The seals of 4- first；5- second is sealed
Body；6- movable parts；61- extensions；62- first through hole；The waterproof ventilated membranes of 63- second；The lancet and means of 64- second；7- first
Cavity；8- fixtures；9- elastomeric elements；The moisture detectors of 101- first；The moisture detectors of 102- second.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", D score, " vertical ", " level ",
The orientation or position relationship of the instructions such as " interior ", " outward " are, based on orientation shown in the drawings or position relationship, to be for only for ease of and retouch
State the utility model and simplify and describe, rather than indicate imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.For the ordinary skill people of this area
For member, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
As long as additionally, technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can just be combined with each other.
Embodiment 1
The present embodiment provides a kind of dynamic seal structure being applied in balance vent valve, as shown in Figure 1, Figure 2 and Figure 3,
Including housing 1, the first seal 4, the second seal 5, movable part 6, drive mechanism 3, the first moisture detector 101, second
Moisture detector 102, resetting-mechanism, guide frame and controller.
Housing 1 has open top and inner chamber.As shown in Fig. 2 drive mechanism 3 includes supporter 31 and coil 32, support
The sealing of body 31 is fixed on the open-topped inner surface of housing 1 and around being located on the side wall of the first waterproof ventilated membrane 2, supporter 31
Top has the depressed part 311 for being suitable to the insertion of the first waterproof ventilated membrane 2, that is, top of first waterproof ventilated membrane 2 through housing 1
Opening is stretched into depressed part 311, and the bottom of depressed part 311 has the first opening, the lower surface and top surface of depressed part 311
Upper to have the first outer 312 and the second outer 313 for horizontally outward extending respectively, the sealing of the second outer 313 is fixed on housing 1 and pushes up
On portion's inner surface, the first seal 4 is fixed on the bottom of the first outer 312；Coil 32 is set in the outside wall surface of depressed part 311
Above and between the first outer 312 and the second outer 313, bottom is overlapped on the first outer 312.
As shown in Fig. 2 the first seal 4 is to be opened in the first groove on the bottom of the first outer 312, it is preferably annular
Groove.
As shown in Fig. 2, Fig. 6 and Fig. 7, movable part 6 is preferably plate, and is made of magnetic material, for example magnet steel or
Magnet, plate is arranged in housing 1 and is located at the lower section of drive mechanism 3, and the second seal 5 is fixed on the top surface of plate
On.As shown in fig. 6, plate is arranged in housing 1 by resetting-mechanism, resetting-mechanism is consolidated including being arranged on four below plate
Determine part 8 and four elastomeric elements 9, fixture 8 is preferably fixed plate, and elastomeric element 9 is preferably spring, and spring is arranged on fixed plate
Between plate, spring can apply to be directed away from the pulling force in the direction of the first seal 4 to movable part 6, be easy to the second sealing
Body 5 departs from from the first seal 4, resets to initial state.
The edge of plate has towards four horizontal-extending extensions 61 of the internal face of housing 1, it is preferable that four extensions
61 are evenly distributed on plate；Accordingly, above-mentioned guide frame be opened on the internal face of housing 1 with extension 61 one by one
Correspondence and vertically extending gathering sill 11, extension 61 are respectively protruding into a gathering sill 11, and elastomeric element 9 is located at gathering sill 11
Interior, when hot-wire coil 32 applies the electromagnetic force of vertical motion to plate, gathering sill 11 can guide plate vertically to do straight line
Motion, is easy to the second seal 5 just to snapping in the first seal 4.
As shown in fig. 6, the second seal 5 snaps in the first groove for protrusion is molded over can seal on plate top surface
The first interior elastic sealed body, such as elastic seal ring.Above-mentioned supporter 31, the first groove, the first elastic sealed body and
The first cavity 7 is surrounded between plate, the first waterproof ventilated membrane 2 is located in the first cavity 7.
In addition, as shown in Fig. 6, Fig. 7 and Fig. 8, movable part 6 opens up first at the position in the second seal 5
Through hole 62, first through hole 62 is located on the surface of homonymy second for being fixed with and sealing first through hole 62 with the second seal 5
Waterproof ventilated membrane 63；Accordingly, support 33, such as cross frame 33, cross frame 33 are set on the bottom opening of depressed part 311
The bottom opening of depressed part 311 is divided into four second channels, second is set in the bottom of the crossover location of cross frame 33
Lancet and means 64, such as it is raised, the spine end of the second lancet and means 64 towards the second waterproof ventilated membrane 63, and with the second waterproof
Gap needed for being reserved between ventilated membrane 63.Additionally, a dividing plate with passage is formed in the lower surface of first through hole 62,
Prevent the part in casing from stretching into the through hole, damage the second waterproof ventilated membrane 63.
First moisture detector 101 is arranged on the external world, the humidity for detecting gas in external environment, the second Humidity Detection
Device 102 is arranged on the bottom of movable part 6, such as by glue sticking, for the humidity of gas in detection case body；Controller root
According to the first moisture detector 101 and the detection data of the second moisture detector 102, being turned on and off for drive mechanism 3 is controlled.Separately
Outward, the fairlead passed through for the wire seal of the first moisture detector 101 is also opened up on housing 1, electric wire passes through fairlead again
In the threading hole opened up into the side wall of the inner chamber of housing 1；Meanwhile, the electric wire of the second moisture detector 102 is also located in threading hole
Interior, final two electric wires are installed in the inside of casing.First moisture detector 101 and the second moisture detector 102 are used
Existing humidity sensor.
The dynamic seal structure of this implementation method is arranged on balance vent valve, then is arranged on casing by vent valve is balanced
On mounting surface, dynamic seal structure is located at the inside of casing, when the humidity that the first humidity sensor detects the external world is X1, second
The humidity that humidity sensor detects box house is X2, and the humidity of ambient atmos is Δ X=with the psychrometric difference of gas in casing
X1-X2.Under normal condition, the second seal 5 is in away from the first seal 4, the first waterproof ventilated membrane 2 with box house
Connected state, now Δ X is in preset value；When the X1 in external environment changes, when Δ X is higher or lower than preset value, control
Device controls to be powered to the coil 32 in drive mechanism 3 according to this information, and the coil 32 after energization produces electromagnetic force, with driving plate
Block drives the first elastic dense body thereon to be moved towards the first groove direction, and the extension 61 of plate is transported upwards in gathering sill
Dynamic, spring is stretched and storage energy so that the sealing of the first elastic sealed body is snapped in and seals the first cavity 7 in the first groove,
Realize being in isolation between the first waterproof ventilated membrane 2 and box house, it is possible to stop that extraneous vapor enters casing
Inside, or the vapor of box house flows to the external world by the first waterproof ventilated membrane 2, so that the humidity of case vivo environment
It is always held at steady state, it is ensured that the element in casing can normally run.When Δ X reaches preset value again, and it is in
During stable state, controller controls to the logical reversely electricity of coil 32 or stops being powered, and coil 32 applies direction to the second seal 5
Power away from the direction of the first seal 4 to the second seal 5 does not produce electromagnetic force, under the reset response of extension spring,
Spring releases energy, and is moved with driving the second seal 5 to be directed away from the direction of the first seal 4 so that the second seal 5 resets
To initial state, spring is again at the compressive state of starting, to complete to adjust the dynamic for balancing vent valve according to humidity
Seal process.
In addition, when there are other abnormal accidents in casing, huge pressure is produced in casing, air pressure is by dividing plate
Passage apply outside active force to the second waterproof ventilated membrane 63 so that the second waterproof ventilated membrane 63 is towards the second lancet and means
64 directions bend, and the second lancet and means 64 just wear out the second waterproof ventilated membrane 63, no matter now the second seal 5 is close with first
Envelope body 4 is in and separates or sealing state, and air pressure enters in the first cavity 7 and applies outside active force to the first waterproof ventilated membrane 2,
So that the first lancet and means in balance vent valve poke the first waterproof ventilated membrane 2, it becomes possible to which the high pressure in casing is released
Run out so that the air pressure in casing is consistent with the air pressure in the external world, prevents explosion phenomenon in casing.
As deformation, can also be without setting above-mentioned controller, by the unlatching or the pass that manually control drive mechanism 3
Close.Second humidity sensor can also be without being arranged on movable part 6, be set directly in casing.It is above-mentioned as deformation
Dynamic seal structure can also be without setting above-mentioned the first moisture detector 101 and the second moisture detector 102, two humidity
Detector is individually bought or is configured in use as single part.
As deformation, the second puncture portion except being bulge-structure, can also be cutter structure, or scissors shape knot
Structure.As further deformation, can also be without not set in the second waterproof ventilated membrane 63 of setting and drive mechanism 3 on movable part 6
The second lancet and means 64 are put, first through hole 62 is not opened up on movable part 6 yet, when needing to discharge the air pressure in casing, only needed
Away from the first seal 4, air pressure in casing also can be by between movable part 6 and the internal face of housing 1 for movable part 6
Gap enters in the first cavity 7, then by the row of the first waterproof ventilated membrane 2 outwardly.
Used as deformation, the extension 61 that the edge of movable part 6 is set can also be three, five, six etc., only need
At least provided with three, movable part 6 is smoothly arranged in housing 1, accordingly, gathering sill 11, elastomeric element 9 and
The number of fixture 8 is three, five, six etc..As the deformation of guide frame, above-mentioned housing 1 can be not provided with,
Guide frame can also be other structures, such as vertically arranged slide rail, the side wall of movable part 6 sets sliding block, and sliding block is slided
Set in orbit, vertically moved along a straight line with boot activity part 6.As further deformation, can also be without setting
The guide frame stated, only needs the cooperation of fixed plate and elastomeric element 9, and movable part 6 is arranged on the lower section of driving structure.
Used as further deformation, above-mentioned fixture 8 can also be other supporting constructions, example in addition to for fixed plate
Such as boss.Used as the deformation of elastomeric element 9, elastomeric element 9 can also be other elastic constructions in addition to for spring, only need
Can apply to be directed away from the pulling force in the direction of the first seal 4 to movable part 6.As further deformation, reset machine
Structure can also be other structures, be only needed for support movable part 6 and drive movable part 6 to be directed away from the side of the first seal 4
To motion, the second seal 5 is separated with the first seal 4.For example, the magnet of the lower section of movable part 6 is arranged on, when individual
When the logical reversely electricity of coil 32 or no power, magnet can apply absorption affinity to the movable part 6 of magnetic material, so as to by second
Seal 5 is pulled to away from the motion of the direction of the first seal 4, realizes the function of resetting.As further deformation, can also be without setting
Above-mentioned resetting-mechanism is put, just by driving the second seal 5 towards or away from first to the logical electricity forward or backwards of coil 32
Move in the direction of seal 4.
Used as the deformation of movable part 6, above-mentioned movable part 6, except being plate, can also be other structures, only need it
Second seal 5 is set on top surface, the first cavity 7 is surrounded with the first seal 4, the second seal 5 and drive mechanism 3
.
Used as the deformation of the first groove, the above-mentioned shape of the first groove can also be with the shape of the first elastic sealed body
Other shapes, such as oval, square or polygon etc., only need the two to be engaged, and can play sealing function.
Used as the deformation of the first seal 4 and the second seal 5, the first seal 4 is molded over the bottom of depressed part 311 for protrusion
The second elastic sealed body on portion surface, the second seal 5 is to be opened on movable part 6 and can be by the second elastic sealed body
The second groove for closely snapping in.
Used as further deformation, the first above-mentioned seal 4 and the second seal 5 can be with existing other sealings
Body, such as the first seal 4 are Ring like suction disc, and the second seal 5 is that can adsorb the elastomer in Ring like suction disc, so that
First seal 4 seals with the second seal 5 and coordinates or come off.Or, using existing air extraction structure, form the absorption of negative pressure
Relation forms above-mentioned sealing structure.
Used as the deformation of depressed part 311, the top of depressed part 311 can also be without setting the second outer 313, directly will depression
The top surface in portion 311 is fixed on the top inner wall face of housing 1 so that depressed part 311 is centered around around the first waterproof ventilated membrane 2
.Further deformation, depressed part 311 can also be without setting the first outer 312, and now, the bottom of depressed part 311 is not standard-sized sheet
The first opening, but open up the second channel that the first waterproof ventilated membrane 2 is connected with the first cavity 7, the first seal 4 is direct
It is fixed on the bottom of depressed part 311.Or, further deformation, supporter 31 can also be other structures, and such as one is opened
If the supporting plate or sleeve of through hole, supporting plate sealing is set on the first waterproof ventilated membrane 2, and the first seal 4 is fixed on support
On the bottom of body 31, the first cavity 7 is surrounded between supporting plate and the first seal 4, the second seal 5 and movable part 6, the
One waterproof ventilated membrane 2 is located in the first cavity 7.
Used as the deformation of drive mechanism 3, drive mechanism 3 may be used also in addition to producing electromagnetic force using above-mentioned hot-wire coil 32
Think other driving structures, such as motor or cylinder, the telescopic shaft of motor or the drive shaft of cylinder are connected to movable part 6,
And then to drive movable part 6 to be moved towards or away from the direction of the first seal 4, now motor or cylinder seal winding is fixed on
On the side wall of the first waterproof ventilated membrane 2, the first seal 4 is fixed on the housing 1 of motor or cylinder, drive mechanism 3 and first
Seal 4, the second seal 5 and movable part 6 surround the first above-mentioned cavity 7.Now, movable part 6 can not be used
Magnetic material is made, and can be made of other materials.
Used as further deformation, dynamic seal structure can also be without setting above-mentioned movable part 6, only need to set above-mentioned
Drive mechanism 3, the first seal 4 and the second seal 5.Now, the first seal 4 is sealed around being located at balance vent valve bottom
On the side wall of first waterproof ventilated membrane 2 in portion；Second seal 5 and the first seal 4 are oppositely arranged and surround the first cavity 7,
First waterproof ventilated membrane 2 is located in the first cavity 7；Drive mechanism 3 drives the second seal 5 towards or away from the first seal 4
Direction is moved, so that the second seal 5 and the sealing of the first seal 4 coordinate or depart from the first seal 4, so as to realize to first
Isolating between waterproof ventilated membrane 2 and box house or connection.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of implementation method.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need and unable to be exhaustive to all of implementation method.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (11)
1. it is a kind of to be applied to balance the dynamic seal structure in vent valve, it is characterised in that including
First seal (4), sealing is around being located on the side wall of first waterproof ventilated membrane (2) of balance vent valve bottom；
Second seal (5), is oppositely arranged with first seal (4) and surrounds the first cavity (7), and first waterproof is saturating
Air film (2) is in first cavity (7)；
Drive mechanism (3), for driving second seal (5) to be moved towards or away from the first seal (4) direction,
So that second seal (5) seals with first seal (4) coordinates or departs from first seal (4).
It is 2. according to claim 1 to be applied to balance the dynamic seal structure in vent valve, it is characterised in that：
The drive mechanism (3) sealing around being located on the side wall of first waterproof ventilated membrane (2), first seal (4)
By the drive mechanism (3) around being located on the side wall of first seal (4)；
Also include being arranged on the movable part (6) below drive mechanism (3), second seal (5) is fixed on the activity
On the top surface of part (6)；The driving structure drives the movable part (6) to drive the second seal (5) motion；
The drive mechanism (3) surrounds institute with first seal (4), the second seal (5) and the movable part (6)
State the first cavity (7).
It is 3. according to claim 2 to be applied to balance the dynamic seal structure in vent valve, it is characterised in that：The activity
Part (6) is made of magnetic material；
The drive mechanism (3) including sealing around the supporter (31) being located on the wall of the first waterproof ventilated membrane (2) side, and
The coil (32) in the supporter (31) outside wall surface is wrapped in, after being powered to the coil (32), is produced and is driven the work
The electromagnetic force that dynamic component (6) is vertically moved；
First waterproof ventilated membrane (2) is stretched into the supporter (31), and first seal (4) is fixed on the support
On body (31) bottom.
It is 4. according to claim 3 to be applied to balance the dynamic seal structure in vent valve, it is characterised in that：
The top of the supporter (31) has the depressed part (311) for being suitable to the first waterproof ventilated membrane (2) insertion, described recessed
Fall on portion (311) and open up the second channel that first waterproof ventilated membrane (2) is connected with first cavity (7)；
First seal (4) is arranged in the lower surface of the depressed part (311).
It is 5. according to claim 4 to be applied to balance the dynamic seal structure in vent valve, it is characterised in that：
There is the first outer (312) for horizontally outward extending, first seal in the lower surface of the depressed part (311)
(4) it is fixed on the bottom of first outer (312)；
The bottom of the depressed part (311) has the first opening, and first opening is used as the second channel；The coil
(32) it is set in the outside wall surface of the depressed part (311) and is overlapped on first outer (312).
6. being applied to according to claim 4 or 5 balances the dynamic seal structure in vent valve, it is characterised in that：
First seal (4) is the first groove being opened in the depressed part (311) lower surface, second sealing
Body (5) snaps in the first elastic packing in first groove for protrusion is molded over can seal on the movable part (6)
Body；Or
First seal (4) is molded over the second elastic sealed body in the depressed part (311) lower surface, institute for protrusion
The second seal (5) is stated to be opened on the movable part (6) and can closely be snapped in by second elastic sealed body
Second groove.
7. being applied to according to any one of claim 2-5 balances the dynamic seal structure in vent valve, and its feature exists
In：Also include resetting-mechanism, for supporting the movable part (6) and the driving movable part (6) to be directed away from described the
Move in one seal (4) direction.
It is 8. according to claim 7 to be applied to balance the dynamic seal structure in vent valve, it is characterised in that：
The resetting-mechanism includes being arranged at least one fixture (8) below the movable part (6), and is arranged on institute
State the elastomeric element (9) between fixture (8) and the movable part (6)；The elastomeric element (9) can give the movable part
Part (6) applies to be directed away from the pulling force in the first seal (4) direction.
9. being applied to according to any one of claim 2-5 balances the dynamic seal structure in vent valve, and its feature exists
In：Also include guide frame, for guiding the movable part (6) vertically to move along a straight line.
It is 10. according to claim 9 to be applied to balance the dynamic seal structure in vent valve, it is characterised in that：Also include
Housing (1) with open top and inner chamber, drive mechanism (3) sealing is fixed in the open top of the housing (1),
First waterproof ventilated membrane (2) is stretched into first cavity (7) through the open top；
The edge of the movable part (6) has towards at least three horizontal-extending extensions of the housing (1) internal face
(61)；
The guide frame is to be opened in being corresponded with the extension (61) and vertically prolonged on the housing (1) internal face
The gathering sill (11) stretched；The extension (61) is stretched into the gathering sill (11), and the fixture (8) is fixed correspondingly
On the bottom of the gathering sill (11).
11. being applied to according to any one of claim 2-5 balance the dynamic seal structure in vent valve, and its feature exists
In：
The movable part (6) at the position in second seal (5) opens up first through hole (62), described first
Through hole (62) is fixed with seal the first through hole (62) the with second seal (5) on the surface of homonymy
Two waterproof ventilated membranes (63)；
Second lancet and means (64), the spine end of second lancet and means (64) are set on the bottom of the drive mechanism (3)
Just preset clearance is formed to second waterproof ventilated membrane (63) and between second waterproof ventilated membrane (63)；And/or
Also include the first humidity sensor being in communication with the outside, the second humidity being fixed on the movable part (6) bottom is passed
Sensor, and controller, the controller is according to first moisture detector (101) and second moisture detector
(102) detection data, controls being turned on and off for drive mechanism (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621427441.0U CN206290786U (en) | 2016-12-23 | 2016-12-23 | It is a kind of to be applied to balance the dynamic seal structure in vent valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621427441.0U CN206290786U (en) | 2016-12-23 | 2016-12-23 | It is a kind of to be applied to balance the dynamic seal structure in vent valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206290786U true CN206290786U (en) | 2017-06-30 |
Family
ID=59154424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621427441.0U Withdrawn - After Issue CN206290786U (en) | 2016-12-23 | 2016-12-23 | It is a kind of to be applied to balance the dynamic seal structure in vent valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206290786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594339A (en) * | 2016-12-23 | 2017-04-26 | 苏州精控能源科技有限公司 | Dynamic sealing structure applied to balance breather valve |
-
2016
- 2016-12-23 CN CN201621427441.0U patent/CN206290786U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594339A (en) * | 2016-12-23 | 2017-04-26 | 苏州精控能源科技有限公司 | Dynamic sealing structure applied to balance breather valve |
| CN106594339B (en) * | 2016-12-23 | 2019-05-17 | 苏州精控能源科技有限公司 | A kind of dynamic seal structure applied in balance vent valve |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170630 Effective date of abandoning: 20190517 |
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| AV01 | Patent right actively abandoned |