CN209354716U - A kind of inside and outside fire-type flute check valve - Google Patents
A kind of inside and outside fire-type flute check valve Download PDFInfo
- Publication number
- CN209354716U CN209354716U CN201821886583.2U CN201821886583U CN209354716U CN 209354716 U CN209354716 U CN 209354716U CN 201821886583 U CN201821886583 U CN 201821886583U CN 209354716 U CN209354716 U CN 209354716U
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- CN
- China
- Prior art keywords
- return
- valve chest
- fire prevention
- return valve
- fire
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Abstract
The utility model discloses a kind of inside and outside fire-type flute check valves, including non-return valve chest and the non-return piece being set in non-return valve chest, it is characterized by: the tail end of the non-return valve chest has smoke hatch, the smoke hatch is sealed by non-return piece, and the resetting-mechanism and fire prevention trigger mechanism that non-return piece can be made to rotate and close smoke hatch are equipped between non-return valve chest and non-return piece, the fire prevention trigger mechanism includes the connection sheet and fire prevention isolation hinged with non-return piece, the connection sheet is equipped with sliding slot, the fire prevention isolation is equipped with the traveller that can be in sliding fit with the sliding chute, the fire prevention isolation is with check-valves housing hinge and the connector by that can melt after reaching a certain temperature is connect with non-return valve chest, the part of the connector is located at outside non-return valve chest, the non-return valve chest, which is additionally provided with, is able to drive fire prevention The elastic construction of isolation rotation.
Description
Technical field
The utility model relates to a kind of flute check valve, especially a kind of inside and outside fire-type flute check valve.
Background technique
Flute check valve is the security guard in family, it can effectively prevent in common flue he other in be discharged
Poisonous fume and oil smoke, which flow backward, to be entered in own home, while being also possible to prevent mosquito, moth, the winged insects such as fly and gecko etc.
Crawler enters family, it is most important that it may ensure that air hygiene inside family, safety.
Current flute check valve also have the structure of fire-proof function routine it is general there are two types of, one is in flute check valve
Tail end design fuse link, trigger elastic mechanism movement when fuse link is had no progeny by high temperature melting and non-return piece is pushed and close, thus
Play the role of flue fireproof；The second is in the tail end design flexibility piece of flute check valve, after elastic piece is by high temperature deformation from
And trigger elastic mechanism movement and non-return piece is pushed and is closed, to play the role of flue fireproof.
But if hearth is on fire, rear-end fuse link or elastic piece are because apart from the variation sensing phase far to temperature
To insensitive, and fuse link or elastic piece itself take a long time and could fuse or deform, to extend only again
The shut-in time returned, thus need to improve for above structure.
Summary of the invention
For overcome the deficiencies in the prior art, the utility model provides a kind of inside and outside fire-type flute check valve.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of inside and outside fire-type flute check valve, including non-return valve chest and the non-return piece being set in non-return valve chest,
It is characterized by: the tail end of the non-return valve chest has smoke hatch, the smoke hatch is sealed by non-return piece, and non-return valve casing
The resetting-mechanism and fire prevention trigger mechanism that non-return piece can be made to rotate and close smoke hatch are equipped between body and non-return piece, it is described anti-
Fiery trigger mechanism includes that the connection sheet and fire prevention isolation, the connection sheet hinged with non-return piece are equipped with sliding slot, the fire prevention
Isolation is equipped with the traveller that can be in sliding fit with the sliding chute, the fire prevention isolation and check-valves housing hinge and pass through can
The connector melted after reaching a certain temperature is connect with non-return valve chest, and the part of the connector is located at non-return valve chest
Outside, the non-return valve chest is additionally provided with the elastic construction for being able to drive fire prevention isolation rotation.
The resetting-mechanism is reduction torsion spring, which is fixed in fire prevention isolation, and the reset of reduction torsion spring
Torque arm is connect with connection sheet.
The reset torque arm is in U-shape structure, and the connection sheet, which is equipped with, can hook the grab for resetting torque arm.
The connector is rivet of the both ends with the head of a nail, is equipped with through-hole in the non-return valve chest and fire prevention isolation,
The rivet passes through above-mentioned through-hole, and is fixed by the head of a nail.
The elastic construction is elastic torsional spring, which is fixed on non-return valve chest, and the elasticity of elastic torsional spring
Torque arm is contacted with fire prevention isolation.
The non-return piece is equipped with sealing ring.
The limited post of limitation non-return piece position is equipped in the non-return valve chest.
The non-return valve chest is equipped with sealing elastic slice.
Non-return piece two sides are equipped with guide plate, and the side edge bending of the guide plate forms limit plate.
The beneficial effects of the utility model are: the utility model by non-return valve chest be arranged fire prevention trigger mechanism, because
Regardless of being that fire or kitchen range generation fire occur in flue, the connector of fire prevention trigger mechanism can be burnt, as long as connection
The arbitrary portion of part is broken, and connector cannot hold fire prevention isolation, which passes through the elastic force band of elastic torsional spring
Dynamic to seal smoke hatch to drive non-return piece to rotate, above structure is simple, good reliability, induction sensitivity are also high, Er Qiecheng
This low easy manufacture.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of fire prevention isolation.
Specific embodiment
Referring to Fig.1, Fig. 2, the utility model discloses a kind of inside and outside fire-type flute check valves, including non-return valve chest 1
And it is set to the non-return piece 2 in non-return valve chest 1, the tail end of the non-return valve chest 1 has smoke hatch (not showing in figure),
The smoke hatch is sealed by non-return piece 2, and being equipped between non-return valve chest 1 and non-return piece 2 can make non-return piece 2 rotate and close
The resetting-mechanism of smoke hatch and fire prevention trigger mechanism, the fire prevention trigger mechanism include the connection sheet 3 hinged with non-return piece 2 and
It prevents fires isolation 4, the connection sheet 3 is equipped with sliding slot 5, and the fire prevention isolation 4 is equipped with and can be slidably matched with sliding slot 5
Traveller 6, connection sheet 3 are arc-shaped, and sliding slot 5 is also arc groove, so that the rotation path of non-return piece 2 is matched, the fire prevention touching
Hair piece 4 is hinged with non-return valve chest 1 and the connector 9 by that can melt after reaching a certain temperature and non-return valve chest 1 connect
Fixation is connect, connector 9 is made of scolding tin, about begins to melt at 200 degree or more, thus when a fire, scolding tin energy
It is enough that there is the shorter reaction time, it is preferred material, other material production that can melt at high temperature can also be used certainly
The part of connector 9, the connector 9 is located at outside non-return valve chest 1, in this way regardless of non-return valve chest 1 is interior or non-return valve casing
1 outgoing of body light a fire calamity can obtain quickly make connector 9 melt and alarm, connector 9 thawing after, elastic construction loses constraint,
It drives the rotation of fire prevention isolation 4 and connection sheet 3 is driven to rotate, so that non-return piece 2 be driven to rotate and close smoke hatch, prevent fire
Expansion.
As shown, the resetting-mechanism is reduction torsion spring 7, as after meal, needing will be by smoke pumping by reduction torsion spring 7
The non-return piece 2 that the wind of machine is opened resets and seals smoke hatch, which is fixed in fire prevention isolation 4, and reduction torsion spring
7 reset torque arm is connect with connection sheet 3, and fire prevention isolation 4 is that double plates are constituted, and is resetted torque arm and is located among double plates, and is described multiple
Position torque arm is in U-shape structure, and the connection sheet 3, which is equipped with, can hook the grab 8 for resetting torque arm.
As shown, the connector 9 be rivet of the both ends with the head of a nail, the non-return valve chest 1 and fire prevention isolation 4 on
It is equipped with through-hole, the rivet passes through above-mentioned through-hole, and is fixed by the head of a nail 10, and one of head of a nail 10 is located at check-valves
Outside shell 1.The elastic construction is elastic torsional spring 11, which is fixed on non-return valve chest 1, and elastic torsional spring 11
Elastic torque arm with fire prevention isolation 4 contact, elastic torsional spring 11 can be located at fire prevention isolation 4 and non-return valve chest 1 between, usually
Elastic torque arm by fire prevention isolation 4 compress it is motionless, once connector 9 melt, elastic torque arm can push fire prevention 4 turns of isolation
Dynamic, elasticity torque arm may be alternatively located at other positions certainly, but as long as being the structure for driving fire prevention isolation 4 to rotate by elastic torque arm
The range of this patent is belonged to, we can also not have to elastic torque arm certainly, other elasticity members such as tension spring or elastic slice can also be used
Part pushes fire prevention isolation 4.
As shown, the non-return on piece is equipped with sealing ring 12, so as to play better seal effect to smoke hatch.
The limited post 13 of limitation non-return piece position is equipped in the non-return valve chest, to had after preventing non-return piece 2 to be opened to even
The transmitting of fitting 9 is impacted and is damaged.The non-return valve chest is equipped with sealing elastic slice 14, non-return after connector 9 is melted
Through-hole can be exposed on valve chest, and the through-hole is sealed by sealing elastic slice 14 prevents flame or cigarette string from entering.
Non-return piece two sides are equipped with guide plate, and the side edge bending of the guide plate forms limit plate, passes through guide plate energy
Beat when non-return piece enough being avoided to rotate, and limit plate can hook the edge department of smoke hatch when non-return piece goes to extreme position
Point, to prevent the rotation of non-return piece from excessively damaging articulated structure.
Above to a kind of inside and outside fire-type flute check valve provided by the utility model embodiment, detailed Jie has been carried out
It continues, specific case used herein is expounded the principles of the present invention and embodiment, and above embodiments are said
The bright method and its core concept for being merely used to help understand the utility model；At the same time, for those skilled in the art,
Based on the idea of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this explanation
Book content should not be construed as a limitation of the present invention.
Claims (9)
1. a kind of inside and outside fire-type flute check valve, including non-return valve chest and the non-return piece being set in non-return valve chest,
Be characterized in that: the tail end of the non-return valve chest has smoke hatch, and the smoke hatch is sealed by non-return piece, and non-return valve chest
The resetting-mechanism and fire prevention trigger mechanism that non-return piece can be made to rotate and close smoke hatch, the fire prevention are equipped between non-return piece
Trigger mechanism includes the connection sheet and fire prevention isolation hinged with non-return piece, and the connection sheet is equipped with sliding slot, the fire prevention touching
Hair on piece is equipped with the traveller that can be in sliding fit with the sliding chute, the fire prevention isolation and check-valves housing hinge and pass through can be
Reaching the connector melted after a certain temperature to connect with non-return valve chest, the part of the connector is located at outside non-return valve chest,
The non-return valve chest is additionally provided with the elastic construction for being able to drive fire prevention isolation rotation.
2. a kind of inside and outside fire-type flute check valve according to claim 1, it is characterised in that: the resetting-mechanism is multiple
Position torsional spring, which is fixed in fire prevention isolation, and the reset torque arm of reduction torsion spring is connect with connection sheet.
3. a kind of inside and outside fire-type flute check valve according to claim 2, it is characterised in that: the reset torque arm is in U
Shape structure, the connection sheet, which is equipped with, can hook the grab for resetting torque arm.
4. a kind of inside and outside fire-type flute check valve according to claim 1, it is characterised in that: the connector is both ends
Through-hole is equipped in rivet with the head of a nail, the non-return valve chest and fire prevention isolation, the rivet passes through above-mentioned through-hole, and logical
The head of a nail is crossed to be fixed.
5. a kind of inside and outside fire-type flute check valve according to claim 1, it is characterised in that: the elastic construction is bullet
Property torsional spring, which is fixed on non-return valve chest, and the elastic torque arm of elastic torsional spring is contacted with isolation of preventing fires.
6. a kind of inside and outside fire-type flute check valve according to claim 1, it is characterised in that: the non-return piece is equipped with close
Seal.
7. a kind of inside and outside fire-type flute check valve according to claim 1, it is characterised in that: in the non-return valve chest
Limited post equipped with limitation non-return piece position.
8. a kind of inside and outside fire-type flute check valve according to claim 1, it is characterised in that: on the non-return valve chest
Equipped with sealing elastic slice.
9. a kind of inside and outside fire-type flute check valve according to claim 1, it is characterised in that: non-return piece two sides are set
There is guide plate, the side edge bending of the guide plate forms limit plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821886583.2U CN209354716U (en) | 2018-11-15 | 2018-11-15 | A kind of inside and outside fire-type flute check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821886583.2U CN209354716U (en) | 2018-11-15 | 2018-11-15 | A kind of inside and outside fire-type flute check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209354716U true CN209354716U (en) | 2019-09-06 |
Family
ID=67782879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821886583.2U Expired - Fee Related CN209354716U (en) | 2018-11-15 | 2018-11-15 | A kind of inside and outside fire-type flute check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209354716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413227A (en) * | 2020-11-23 | 2021-02-26 | 苏州仁甬得物联科技有限公司 | High deformation shell fragment with crescent moon groove |
-
2018
- 2018-11-15 CN CN201821886583.2U patent/CN209354716U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413227A (en) * | 2020-11-23 | 2021-02-26 | 苏州仁甬得物联科技有限公司 | High deformation shell fragment with crescent moon groove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190906 Termination date: 20201115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |