CN208153801U - A kind of antifreeze Isolation protector - Google Patents
A kind of antifreeze Isolation protector Download PDFInfo
- Publication number
- CN208153801U CN208153801U CN201820508622.9U CN201820508622U CN208153801U CN 208153801 U CN208153801 U CN 208153801U CN 201820508622 U CN201820508622 U CN 201820508622U CN 208153801 U CN208153801 U CN 208153801U
- Authority
- CN
- China
- Prior art keywords
- flexible sheet
- peripheral region
- protector
- antifreeze
- isolation
- 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.)
- Active
Links
- 230000001012 protector Effects 0.000 title claims abstract description 91
- 238000002955 isolation Methods 0.000 title claims abstract description 40
- 230000002528 anti-freeze Effects 0.000 title claims abstract description 38
- 230000002093 peripheral effect Effects 0.000 claims abstract description 40
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000012216 screening Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 4
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 229920006267 polyester film Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- 239000004576 sand Substances 0.000 abstract description 3
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000012528 membrane Substances 0.000 description 3
- 241000270295 Serpentes Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Buffer Packaging (AREA)
Abstract
The utility model discloses a kind of antifreeze Isolation protector, including two opposed ring bodies and the protector component being fixed between described two ring bodies, protector component includes the peripheral region being fixed between described two ring bodies and multiple flexible sheets on the inside of the peripheral region, each flexible sheet is fixing end in peripheral region side and the other end is free end, multiple flexible sheets have closed position and open position, in the closed position, adjacent spring diaphragm is closely adjacent to each other or part overlapping is to close the space that the ring body is enclosed, in the open position, the flexible sheet is opened around its fixing end towards side to open the space that the ring body is enclosed.It can guarantee the air exchange of valve well when applied to underground valve well, the outer cold air of isolation well prevents the equipment in valve pit from freezing and causes failure, prevent the foreign matters such as toy and sand and dust from entering, protects the equipment in valve pit.The device is not necessarily to electricity consumption, facilitates mounting, commissioning and maintenance.
Description
Technical field
The utility model relates to a kind of antifreeze Isolation protectors, may be applicable to the occasion of air-flow exchange, especially useful
In the exhaust pipe system of underground valve well.
Background technique
In underground valve well, the snorkel of valve well substantially all directly with ambient atmosphere connection, cold air enter meeting
Cause equipment in well to freeze, causes failure, in addition, the toys such as snake mouse and sand and dust are also easy to enter valve well from snorkel,
Damage internal unit.
There is flapper type equipment in the exhaust pipe of air-conditioning system, including the baffle by motor drive, when needing to open
Start motor drive baffle to open to realize gas exchanges.But this technology is not properly suited for underground valve well exhaust
System.Moreover, electric guard board needs are driven by electricity, the fail-safe that baffle can be lost if power breakdown is made
With.
There are no the antifreeze and insulation blocking technical solution for being directed to underground valve well snorkel, this fields in the art
There is an urgent need to such technologies.
Utility model content
In view of aforementioned drawback is solved, the utility model provides a kind of antifreeze Isolation protector, in simple structure
It can effectively ensure that air-flow exchanges, facilitate mounting, commissioning and maintenance.
The utility model provides a kind of antifreeze Isolation protector, including two opposed ring bodies and is fixed on institute
The protector component between two ring bodies is stated, the protector component includes being fixed between described two ring bodies
Peripheral region and multiple flexible sheets on the inside of the peripheral region, each flexible sheet are fixing end in peripheral region side
And the other end is free end, multiple flexible sheets have closed position and open position, in the closed position, adjacent spring film
Piece is closely adjacent to each other or part overlapping is to close the space that the ring body is enclosed, in the open position, the flexible sheet
It opens around its fixing end towards side to open the space that the ring body is enclosed.
In one embodiment, the fixing end of each flexible sheet is clipped between described two ring bodies.
In one embodiment, the edge that the ring body is contacted with the flexible sheet is smooth transition edge.
In one embodiment, the protector component is process by single substrate, or is processed by two or more substrates
After be overlapped.
In one embodiment, the protector component includes：First protector component portion, including it is fixed on described two rings
The first peripheral region portion between shape ontology and multiple first flexible sheets portion on the inside of the portion of first peripheral region, are being closed
Coincidence is set, and the adjacent side in adjacent first flexible sheet portion is closely adjacent to each other, and each first flexible sheet portion has at fixing end
With its inclined crack in the first side；
Second protector component portion is stacked on the first protector component portion, including is fixed on described two
The second peripheral region portion between ring body and multiple second flexible sheets portion on the inside of the portion of second peripheral region,
The adjacent side of closed position, adjacent second flexible sheet portion is closely adjacent to each other；
First peripheral region portion and second peripheral region portion have overlapped the peripheral region, each first bullet
First side of property diaphragm portion is inserted in two second flexible sheet portions of correspondence in the second protector component portion by the crack
Between, each second flexible sheet portion partly overlaps with corresponding first flexible sheet portion and constitutes the flexible sheet, so that
Adjacent spring diaphragm is locally overlapped in the closed position.
In one embodiment, each second flexible sheet portion at fixing end have with the inclined crack in its one side,
The direction of the fracture extension in second flexible sheet portion is contrary with the fracture extension in first flexible sheet portion.
In one embodiment, the crack and corresponding sides being radiused of intersection and/or the crack and corresponding sides not phase
Being radiused of one end of friendship.
In one embodiment, it is higher than its that one layer of hardness is adhered on a side surface of the protector component or both side surface
Screening glass, the structure of the screening glass is identical as the protector component.
In one embodiment, the shape of at least two flexible sheets in the multiple flexible sheet is different.
In one embodiment, the multiple flexible sheet includes the first flexible sheet being alternately arranged and the second elastic membrane
Piece, the first flexible sheet are longer than the second flexible sheet.
In one embodiment, the flexible sheet is gradually increased from fixing end to free end thickness.
In one embodiment, the peripheral region and the flexible sheet are integrally formed.
In one embodiment, the protector component is by plastic polyester film or high durometer rubber or stainless steel or spring steel
It is made,
In one embodiment, the ring body is made of plastics or light-weight metal or cast iron or casting steel or stainless steel.
Using this antifreeze Isolation protector of the utility model, closed using the flexible sheet realization of protector component itself
It closing, air passes through protector in either direction when reaching certain pressure difference, closed position can be returned to again in pressure recovery, every
Exhausted air.In this way, when being applied to underground valve well, it is ensured that the air exchange of valve well, the outer cold air of isolation well prevent
Equipment icing in valve pit causes failure, prevents the foreign matters such as toy and sand and dust from entering, protects the equipment in valve pit.Moreover, should
Device is not necessarily to electricity consumption, facilitates mounting, commissioning and maintenance.
Detailed description of the invention
Fig. 1 is that the antifreeze Isolation protector of the embodiment of the present application is applied to the example on the snorkel of underground valve well；
Fig. 2 is a structural schematic diagram of the antifreeze Isolation protector of the embodiment of the present application；
Fig. 3 is the structural schematic diagram of the ring body of the antifreeze Isolation protector of the embodiment of the present application；
Fig. 4 is a structural schematic diagram of the protector component of the antifreeze Isolation protector of the embodiment of the present application；
Fig. 5 is another structural schematic diagram of the antifreeze Isolation protector of the embodiment of the present application.
Appended drawing reference：
12, valve pit；14, ground level；16, snorkel；18, manhole cover；20, antifreeze Isolation protector；22, pipeline；24, empty
Air valve；
30, flexible sheet；32, ring body；32a, smooth transition edge；33, protector component；50, fastener；50a,
First hole；50b, the second hole；
33a, the first protector component portion；33b, the second protector component portion；31a, the first peripheral region portion；31b, second week
Border area portion；30a, the first flexible sheet portion；30a1, the first side；30a2, the second side；30b, the second flexible sheet portion；30b1, one
Side；30b2, another side；34, crack；
301, the first flexible sheet；302, the second flexible sheet.
Specific embodiment
It is with reference to the accompanying drawing and specific real to make those skilled in the art better understand the technical solution of the utility model
Mode is applied to elaborate to the utility model.
The nouns of locality such as upper and lower, left and right used in the utility model description, merely to be described in conjunction with the accompanying conveniently, and
Dependency structure is not limited to be only capable of in illustrated orientation.
Fig. 1 is that the antifreeze Isolation protector of the embodiment of the present application is applied to the example on the snorkel of underground valve well.Fig. 1
The general arrangement of water process water-carriage system is shown, which includes the equipment in valve pit 12 and valve pit 12, and all devices bury
It is located under ground level 14, snorkel 16 is set in valve pit 12, realize the external air exchange with inside valve pit 12.When maintenance,
Enter the inside of valve pit 12 by manhole cover 18, pipeline 22 passes from below through valve pit 12 with the conveying for water.In the conveying of water
In the process, gas can be generated in pipeline 22, when water pump opens and closes, can even more generates and make water hammer up, gas pressure highest
The several times of pipeline 22 pressure resistance itself can be reached, pipeline 22 damages in order to prevent, needs to be arranged in pipeline 22 air valve 24, empty
Air valve 24 has the function of exhaust and air-breathing, and when the air pressure in pipeline 22 is higher than atmospheric pressure, air valve 24 arranges air
Pipeline 22 enters inside valve pit 12 out, and when the pressure in pipeline 22 is subatmospheric, air valve 24 is by the sky inside valve pit 12
Gas intake line 22.
In order to control the free-flowing of air, antifreeze Isolation protector 20 is installed in snorkel 16.Inside valve pit 12
When with atmospheric pressure balance, antifreeze Isolation protector 20 can prevent the free air flow inside valve pit 12, and isolation is external cold
Air, when 12 inside of valve pit is more than the elasticity of flexible sheet of antifreeze Isolation protector 20 with external atmospheric pressure difference, elasticity
Diaphragm is opened, and realizes the air exchange inside valve pit 12.
The structure of antifreeze Isolation protector 20 is introduced in detail below.
Fig. 2 is a structural schematic diagram of the antifreeze Isolation protector of the embodiment of the present application.As shown in Fig. 2, antifreeze isolation is protected
Protect the protector component 33 that device includes two opposed ring bodies 32 and is fixed between two ring bodies 32, protector
Component 33 includes being fixed on the peripheral region between two ring bodies 32 and multiple flexible sheets 30 on the inside of peripheral region,
Each flexible sheet 30 in peripheral region side is fixing end and the other end is free end, multiple flexible sheets 30 have closed position and
Open position, in closed position, adjacent spring diaphragm 30 is closely adjacent to each other the space enclosed with closed ring ontology 32, in open position
It sets, flexible sheet 30 is opened around its fixing end towards side to open the space that ring body 32 is enclosed.Certainly, adjacent spring diaphragm
30 can also locally be overlapped the space enclosed with closed ring ontology 32.
The two sides of the dotted line A-A of Fig. 2 respectively illustrate two different situations.Diagrammatically illustrate totally 10 elastic membranes
Piece.In upside, the situation when the pressure difference at 30 both ends of flexible sheet is lower than the elastic strength of flexible sheet is shown, it is elastic at this time
Diaphragm 30 is in the close position, and the adjacent side of adjacent spring diaphragm 30 is closely adjacent to each other the space enclosed with closed ring ontology 32.?
Downside shows the situation when the pressure on 30 right side of flexible sheet is greater than the pressure in left side, and flexible sheet 30 is in and beats at this time
Open position, flexible sheet 30 are opened around its fixing end towards side to open the space that ring body 32 is enclosed.When pressure difference is opposite
When, flexible sheet 30 will be opened towards the other side to open the space that ring body 32 is enclosed.Flexible sheet is similar to cantilevered fashion.
Dotted line on the downside of Fig. 2 schematically illustrates the position that flexible sheet is in where when being closed, this is also its default location.Certainly, it beats
The degree opened will depend on pressure difference, the elasticity of itself etc. of 30 two sides of flexible sheet, illustrate merely illustrative, opening degree root
Can be different according to different situations, as long as guaranteeing there is air to pass through.In Fig. 2 peripheral region be fixed between two ring bodies 32 and
It is invisible, the structure in structure the first peripheral region portion similar to Figure 4.
Protector component 33 can be fixed on by various modes between two ring bodies 32, such as Fig. 2 shows tight
Firmware 50, for example, fastening bolt pass through the on the first hole 50a and protector component 33 on two ring bodies 32
Two hole 50b are fixed.
The region that flexible sheet 30 accounts for protector component 33 can be arbitrarily arranged.In one embodiment, each elastic membrane
The fixing end of piece 30 is clipped between two ring bodies 32.In this way, flexible sheet 30 will not be torn near it when being repeatedly opened
Peripheral region, the service life of protector component 33 can be improved.
Fig. 3 is the structural schematic diagram of the ring body of the antifreeze Isolation protector of the embodiment of the present application.In this embodiment,
The edge that ring body 32 is contacted with flexible sheet 30 is smooth transition edge 32a.In this way, making ring body 32 without sharp side
Edge guarantees that flexible sheet 30 will not be damaged when opening because of the effect at the edge by ring body 32.
Protector component 33 can be process by single substrate.For example, flexible sheet 30 can be formed by cutting.
Certainly, protector component 33 is overlapped after can also being processed by two or more substrates, this is more suitable for the field of plastic material
It closes, can prolong the service life and reduce the out-of-date resonance noise of air stream.To guarantee elastic strength and sealing.
Fig. 4 is a structural schematic diagram of the protector component of the antifreeze Isolation protector of the embodiment of the present application.In the implementation
In example, showing protector component 33 for example may include the identical first protector component portion of structure and the second protector component
Portion is only that the direction in crack is different.
First protector component portion 33a, including the first peripheral region portion 31a for being fixed between two ring bodies 32 and
Multiple first flexible sheets portion 30a on the inside of the first peripheral region portion 31a, in closed position, adjacent first flexible sheet portion
The adjacent side of 30a is closely adjacent to each other, and each first flexible sheet portion 30a has and its first side inclined crack 30a1 at fixing end
34。
Second protector component portion 33b is stacked on the first protector component portion 33a, including is fixed on two rings
The second peripheral region portion 31b between shape ontology 32 and multiple second flexible sheets portion on the inside of the second peripheral region portion 31b
30b is closely adjacent to each other in the adjacent side of closed position, adjacent second flexible sheet portion 30b.In Fig. 4, each second flexible sheet portion
30b at fixing end have with the inclined crack 34 its one side 30b1, the direction of the fracture extension of the second flexible sheet portion 30b with
The fracture extension of first flexible sheet portion 30a it is contrary.
First peripheral region portion 31a and the second peripheral region portion 31b have overlapped peripheral region, each first flexible sheet portion
The first side 30a1 of 30a is inserted between two the second flexible sheet portion of correspondence 30b in the second protector component portion by crack, often
A second flexible sheet portion 30b partly overlaps with corresponding first flexible sheet portion 30a and constitutes flexible sheet 30, so that adjacent
Flexible sheet 30 is locally overlapped in closed position.
This part weight of the second flexible sheet portion 30b and the first flexible sheet portion 30a is shown above the line B-B of Fig. 4
Folded, the part of black is the part for the first flexible sheet portion 30a being inserted between two neighboring second flexible sheet portion 30b.It answers
Understand, in the example in the figures, each first flexible sheet portion 30a have first in 30a1 and second 30a2, each
Second flexible sheet portion 30a also has one side 30b1 and another side 30b2, and the second side 30a2 in the figure of top is that dotted line marks, and one
Side 30b1 is labeled as dotted line, can't see because they are located below.
It is to eliminate the second flexible sheet portion 30b below the line B-B of Fig. 4, illustrates only the first flexible sheet portion 30a.For
Simplification, the place that the adjacent edge in two neighboring first flexible sheet portion is replaced with a line namely 30a1 is marked are one
First side in one flexible sheet portion, while being also second side in another adjacent the first flexible sheet portion, they are closely adjacent to each other
So looking like a line.The structure of second flexible sheet portion 30b is also in this way, being only the contrary of fracture extension.It splits
Stitching inclined angle can be rationally arranged, and guarantee that insertion is smooth.
Certainly, each second flexible sheet portion 30b can also not have and the inclined crack in its side, such as figure at fixing end
Each flexible sheet shown in 2.In this way, the degree that the first side 30a1 of the first flexible sheet portion 30a is inserted into is lower.
So set, the first and second protector component portions are overlapping interlaced arrangements, it is formed by protector component 33
In each flexible sheet will be composed of the flexible sheet portion from the first, second protector component portion, which increase bullets
Property diaphragm 30 elasticity, can preferably be returned to closed position, snorkel is isolated, inhibit convection current.
Crack 34 and corresponding sides intersection being radiused, crack can also be radiused with the disjoint one end of corresponding sides
Change.The circle at crack both ends illustrates this rounding in Fig. 4.This way it is possible to avoid the opening of flexible sheet 30 causes and it
The tearing of the part of adjacent protector component 33.
In one embodiment, it is higher than its that one layer of hardness is adhered on a side surface of protector component 33 or both side surface
Screening glass, the structure of screening glass is identical as protector component 33.Such case is chiefly used in protector component 33 by plastic material
On the other hand the major function of the occasion being process, screening glass can make protector component 33 from mill to be on the one hand insulated
Damage etc..
The structure and arrangement of multiple flexible sheets 30 are unlimited, and can use can be realized closed position above-mentioned and beat
Any way of open position.
The shape of each flexible sheet 30 shown in Fig. 2 is the shape of similar triangle, but the shape of flexible sheet is not
Limit, can be rationally arranged as needed, as long as closed position and the open position of the application restriction may be implemented.In a reality
It applies in example, as shown in figure 5, the shape of at least two flexible sheets 30 in multiple flexible sheets 30 is different.
For example, as shown in figure 5, multiple flexible sheets can have different length, especially when flexible sheet is by plastics material
Texture at when, resonance can be reduced and reduce damage to flexible sheet.Length can refer to that flexible sheet is radially longest
Distance, also may refer to the distance etc. of its longest edge, as long as the area of different flexible sheets can be distinguished.In a reality
It applies in example, relatively long flexible sheet namely the first flexible sheet 301 and relatively short flexible sheet namely the second elasticity
Diaphragm 302 can be alternately arranged.The mutual length of multiple first flexible sheets 301 can also be different, multiple second flexible sheets
302 mutual length can also be different, and the use of the first flexible sheet and the second flexible sheet here is adjacent in order to distinguish
Flexible sheet.
In one embodiment, flexible sheet 30 can be gradually increased from fixing end to free end thickness.In such manner, it is possible to be
Flexible sheet 30 provides the tip sharpness and intensity of enhancing, the toys such as isolation snake mouse.
Peripheral region can be with flexible sheet 30 it is integrally formed, such as by single substrate by cutting formed.Certainly
It can be fission, then combine.
In protector component 33 at least flexible sheet 30 be it is elastic, it can also be integrally all to be elastic certainly.Protection
Device component 33 can be made of various materials, such as by plastic polyester film or high durometer rubber or stainless steel or spring steel
At.
Ring body 32 can be made of various materials, such as by plastics or light-weight metal or cast iron or casting steel or stainless steel
It is made.
The shape of ring body 32 can be able to be various shape, such as round, rectangular with the cross-sections match of snorkel 16
Deng.The shape of protector component 33 can be adapted to ring body 32.
Antifreeze Isolation protector 20 can be fixed in snorkel 16, such as be fixed by wafer type flange, flange bolt
Antifreeze Isolation protector 20 to be clamped in snorkel 16.It is, of course, also possible to using other modes.Antifreeze Isolation protector 20
It can be mounted to respect to the horizontal plane any angle.
The antifreeze Isolation protector of the utility model is not only used in water delivery pipeline system, can also be applied and needed
In the various applications that air-flow exchange, antifreeze and inside and outside space are isolated, shape can be modified to adapt to the cross for the pipe that it is installed
Cross sectional shape.
Above embodiments are only the exemplary embodiment of the utility model, and each embodiment can be used alone or in combination, no
For limiting the utility model, the protection scope of the utility model is defined by the claims.Those skilled in the art can be
In the essence and protection scope of the utility model, various modifications or equivalent replacements are made to the utility model, it is this to modify or wait
It also should be regarded as falling with replacement within the protection scope of the present utility model.
Claims (10)
1. a kind of antifreeze Isolation protector including two opposed ring bodies (32) and is fixed on described two ring bodies
(32) the protector component (33) between, the protector component (33) include being fixed between described two ring bodies (32)
Peripheral region and multiple flexible sheets (30) on the inside of the peripheral region, each flexible sheet (30) is in peripheral region
Side is fixing end and the other end is free end, and multiple flexible sheets (30) have closed position and open position, in the closure
Position, adjacent spring diaphragm (30) is closely adjacent to each other or part overlapping is to close the space that the ring body (32) is enclosed, in institute
Open position is stated, the flexible sheet (30) is opened around its fixing end towards side to open the sky that the ring body (32) is enclosed
Between.
2. antifreeze Isolation protector according to claim 1, which is characterized in that the fixation of each flexible sheet (30)
End is clipped between described two ring bodies (32).
3. antifreeze Isolation protector according to claim 2, which is characterized in that the ring body (32) and the elasticity
The edge of diaphragm (30) contact is smooth transition edge (32a).
4. antifreeze Isolation protector according to claim 1, which is characterized in that the protector component (33) is by monolithic base
Material is process, or by being overlapped after the processing of two or more substrates.
5. antifreeze Isolation protector according to claim 1, which is characterized in that the protector component (33) includes：
First protector component portion (33a), including the first peripheral region portion being fixed between described two ring bodies (32)
(31a) and the multiple first flexible sheets portion (30a) being located on the inside of first peripheral region portion (31a), in closed position, phase
The adjacent side in adjacent first flexible sheet portion (30a) is closely adjacent to each other, and each first flexible sheet portion (30a) has at fixing end
With its inclined crack (34) the first side (30a1)；
Second protector component portion (33b) is stacked on the first protector component portion (33a), including is fixed on institute
It states the second peripheral region portion (31b) between two ring bodies (32) and is located on the inside of second peripheral region portion (31b)
Multiple second flexible sheets portion (30b) is closely adjacent to each other in the adjacent side of closed position, adjacent second flexible sheet portion (30b)；
First peripheral region portion (31a) and second peripheral region portion (31b) have overlapped the peripheral region, each described
First side (30a1) in the first flexible sheet portion (30a) is right by the crack be inserted in the second protector component portion two
It answers between the second flexible sheet portion (30b), each second flexible sheet portion (30b) and corresponding first flexible sheet portion (30a)
It partly overlaps and constitutes the flexible sheet (30), so that adjacent spring diaphragm (30) is locally overlapped in the closed position.
6. antifreeze Isolation protector according to claim 5, which is characterized in that each second flexible sheet portion
(30b) has and its inclined crack (34) one side (30b1), the crack in second flexible sheet portion (30b) at fixing end
The direction of extension is contrary with the fracture extension in first flexible sheet portion (30a).
7. antifreeze Isolation protector according to claim 5 or 6, which is characterized in that the crack and corresponding sides intersection
Being radiused and/or the crack and disjoint being radiused of one end of corresponding sides.
8. antifreeze Isolation protector according to claim 1, which is characterized in that in the side of the protector component (33)
Adhere to one layer of hardness screening glass higher than its, the structure of the screening glass and the protector component on surface or both side surface
(33) identical.
9. antifreeze Isolation protector according to claim 1, which is characterized in that in the multiple flexible sheet (30) extremely
The shape of few two flexible sheets (30) is different.
10. antifreeze Isolation protector according to claim 1, which is characterized in that including at least one following feature：
The multiple flexible sheet (30) includes the first flexible sheet and the second flexible sheet being alternately arranged, the first flexible sheet
It is longer than the second flexible sheet；
The flexible sheet is gradually increased from fixing end to free end thickness；
The peripheral region is integrally formed with the flexible sheet (30)；
The protector component (33) is made of plastic polyester film or high durometer rubber or stainless steel or spring steel；
The ring body (32) is made of plastics or light-weight metal or cast iron or casting steel or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820508622.9U CN208153801U (en) | 2018-04-11 | 2018-04-11 | A kind of antifreeze Isolation protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820508622.9U CN208153801U (en) | 2018-04-11 | 2018-04-11 | A kind of antifreeze Isolation protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208153801U true CN208153801U (en) | 2018-11-27 |
Family
ID=64378418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820508622.9U Active CN208153801U (en) | 2018-04-11 | 2018-04-11 | A kind of antifreeze Isolation protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208153801U (en) |
-
2018
- 2018-04-11 CN CN201820508622.9U patent/CN208153801U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20190209956A1 (en) | Interface air filter and assembly | |
| EP1028238A3 (en) | Low-leakage air valve for variable air intake system | |
| US6397617B1 (en) | Protective cover for air conditioning unit | |
| CN102698511A (en) | Filter retaining apparatus | |
| CN208153801U (en) | A kind of antifreeze Isolation protector | |
| CN208565692U (en) | A kind of segmented thrust spool and pipe gas self-closing valve | |
| CN201866343U (en) | Check valve | |
| CN101718356A (en) | Magnetic force switching three-way air valve | |
| RU2695929C1 (en) | Heating box for ship equipment | |
| MY151642A (en) | Device for equalizing pressure surges in closed systems, such as silos or the like | |
| US7040345B2 (en) | Unidirectional valves and methods of their use | |
| US7766044B2 (en) | Two-way damper | |
| US7660115B2 (en) | Fan docking collar | |
| CN202012996U (en) | Outward opening type umbrella shaped ventilator | |
| JPS5993954A (en) | Magnetic processing device of fuel oil and fuel gas | |
| JP6302279B2 (en) | Rotating equipment | |
| US20230079530A1 (en) | Protective tarpaulin for an aircraft propulsion engine | |
| CN216306942U (en) | Pipeline protection device and municipal groove structure | |
| CN111619778B (en) | A water jet propulsion device and a double-surface watercraft | |
| CN207470328U (en) | Loader-digger gas handling system | |
| CN108128435A (en) | Plenum chamber | |
| US6626715B1 (en) | Filter wrap for a marine diesel engine | |
| US20070161346A1 (en) | Security cage for vent pipes | |
| KR200483984Y1 (en) | Protecting cover of pipe | |
| CN107047532B (en) | An anti-pecking sheet for biosafety poultry negative pressure isolator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |