CN207621434U - A kind of Combined fire-resistant check valve - Google Patents
A kind of Combined fire-resistant check valve Download PDFInfo
- Publication number
- CN207621434U CN207621434U CN201721426418.4U CN201721426418U CN207621434U CN 207621434 U CN207621434 U CN 207621434U CN 201721426418 U CN201721426418 U CN 201721426418U CN 207621434 U CN207621434 U CN 207621434U
- Authority
- CN
- China
- Prior art keywords
- check valve
- valve body
- slideway
- fire
- check
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of Combined fire-resistant check valves, including check valve body and non-return valve shell, it is welded with air inlet on the left of the check valve body, it is welded with exhaust outlet on the right side of the non-return valve shell, the non-return valve shell upper and lower ends are plugged with connection clip, the check-valves enclosure is equipped with fire prevention valve block, the fire prevention valve block surface is equipped with fire prevention keeper, the check-valves enclosure central axis is equipped with fixed link, the upper and lower ends of the fixed link front surface, which are worn, is connected to pulley, it is welded with swing rod on the left of the pulley, the swing rod infall is plugged with fixing bolt, torsionspring is installed inside the check valve body, fuse sheet is installed inside the check valve body, first slideway is installed inside the check valve body, second slideway is installed inside the check valve body.The Combined fire-resistant check valve is safe to use, easy to use, good reliability.
Description
Technical field
The utility model belongs to check-valves technical field, and in particular to a kind of Combined fire-resistant check valve.
Background technology
Check-valves is also known as check valve or non-return valve, and effect is to prevent the medium in pipeline from flowing backwards, with building construction
Increase the raising with construction quality, requirement of the people to indoor environment is also higher and higher, to make air quality keep pure and fresh, generally
Its device of the off the row with check-valves is used.
Not only volume is big for existing side check-valves, weight weight, installs and uses inconvenience, and do not have fire proof construction, can not be right
Flue gas caused by due to improper use is altered, so that the color accident of the fire generated is reacted, even therefore can cause fire sometimes
Sprawling, for this purpose, it is proposed that a kind of Combined fire-resistant check valve, the Combined fire-resistant check valve is easy to install and use, uses peace
Quan Xinggao, service life are long.
Utility model content
The purpose of this utility model is to provide a kind of Combined fire-resistant check valves, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides the following technical solutions：A kind of Combined fire-resistant check valve, including only
Valve body and non-return valve shell are returned, air inlet is welded on the left of the check valve body, exhaust is welded on the right side of the non-return valve shell
Mouthful, the check-valves enclosure is equipped with fire prevention valve block, and the fire prevention valve block surface is equipped with fire prevention keeper, the check-valves
Enclosure central axis is equipped with fixed link, and the upper and lower ends of the fixed link front surface, which are worn, is connected to pulley, and the pulley is left
Side is welded with swing rod, and torsionspring is equipped with inside the check valve body.
Preferably, the non-return valve shell upper and lower ends are plugged with connection clip, and the connection clip front end is plugged in check-valves
Body, rear end are plugged in non-return valve shell, and the connection clamp surface is wrapped with one layer of strength plastic layer.
Preferably, the swing rod infall is plugged with fixing bolt, and the fixing bolt is connected to the first slideway and second
Ramp surface.
Preferably, fuse sheet is installed, the fuse sheet quantity is 2, the fuse sheet card inside the check valve body
It is connected to swing rod upper and lower ends.
Preferably, the first slideway is installed inside the check valve body, the second slideway is installed inside the check valve body,
First slideway and the second slideway intersect installation, and first slideway is located at the positive upper end of the second slideway.
The technique effect and advantage of the utility model：The Combined fire-resistant check valve, by two above and below non-return valve shell
End is plugged with connection clip, which connects check valve body and non-return valve shell, easy to disassemble and install, is provided for the repair in later stage
Better facility is reached by way of sliding equipped with swing rod to make pulley on slideway and pounding and moved up and down in fixed link
The effect for opening and closing fire prevention valve block, improves the convenience used and safety, avoids manual operation, urgent to prevent
To artificial at danger when situation.The Combined fire-resistant check valve is easy to install and use, safe to use, and service life is long.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the firebreak device structural schematic diagram of the utility model；
Fig. 3 is the check valve body internal structure schematic diagram of the utility model.
In figure：1 check valve body, 2 non-return valve shells, 3 exhaust outlets, 4 connection clips, 5 air inlets, 6 fire prevention valve blocks, 7 fire resistant doorsets
Bolt, 8 fuse sheets, 9 fixing bolts, 10 torsionsprings, 11 fixed links, 12 swing rods, 13 pulleys, 14 the first sliding grooves, 15 second are slided
Slot.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of the utility model, a kind of Combined fire-resistant check valve, including check-valves
Body 1 and non-return valve shell 2,1 left side of the check valve body are welded with air inlet 5, and 2 right side of the non-return valve shell is welded with exhaust
Mouth 3,2 upper and lower ends of non-return valve shell are plugged with connection clip 4, and connection clip 4 connects check valve body 1 and non-return valve shell 2, side
Just it disassembles and installs, better facility is provided for the repair in later stage.
Referring to Fig. 2, Fig. 2 is the firebreak device structural schematic diagram of the utility model, 2 inside installation of the non-return valve shell
There are fire prevention valve block 6,6 surface of fire prevention valve block that fire prevention keeper 7 is installed, fire prevention valve block 6 prevents flue gas from running helter-skelter, leads to fire
Sprawling.
Referring to Fig. 3, Fig. 3 is the check valve body internal structure schematic diagram of the utility model, inside the non-return valve shell 2
Central axis is equipped with fixed link 11, and fixed link 11, which is worn, connects two pulleys, and the upper and lower ends of 11 front surface of the fixed link, which are worn, to be connect
There are pulley 13, the sliding of pulley 13 to drive the rotation of fire resistant doorsets bolt 7, to achieve the effect that make fire prevention valve block 6 to open or close, institute
It states 13 left side of pulley and is welded with swing rod 12, swing rod 12 is slided by the form band movable pulley 13 of swing, 12 infall of the swing rod
It is plugged with fixing bolt 9, fixing bolt 9 fixes swing rod 12, and torsionspring 10 is equipped with inside the check valve body 1, described to stop
It returns inside valve body 1 and fuse sheet 8 is installed, in fire emergency situation, temperature reaches the fusing point of fuse sheet 8, and fuse sheet 8 can be certainly
It is molten, so that torsionspring 10 is flicked, swing rod 12 is swung, and so that fire prevention valve block 6 is closed, is prevented the flue gas in discharge duct along exhaust
Pipeline is spread, and causes fire, the first slideway 14 is equipped with inside the check valve body 1, and the is equipped with inside the check valve body 1
Two slideways 15, fixing bolt 9, which is worn, is connected on 15 surface of the first slideway 14 and the second slideway, on the first slideway 14 and the second slideway 15
Sliding.
Operation principle：When Combined fire-resistant check valve works, fire-preventing check valve is fixed, connection clip 4 connects check-valves
Body 1 and non-return valve shell 2, it is easy to disassemble and install, better facility is provided for the repair in later stage, opens stop under normal circumstances
Valve is returned, ensures the circulation of air, when fire occurs, swing rod 12 slides on the first slideway 14 and the second slideway 15, swing rod 12
It is slided by the form band movable pulley 13 of swing, the sliding of pulley 13 drives the rotation of fire resistant doorsets bolt 7, makes fire resisting damper to reach
The effect that piece 6 opens or closes, in fire emergency situation, temperature reaches the fusing point of fuse sheet 8, and fuse sheet 8 can make torsion from melting
Turning spring 10 to flick, swing rod 12 is swung, and fire prevention valve block 6 is made to close, and prevents the flue gas in discharge duct from being spread along discharge duct,
Cause fire.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of Combined fire-resistant check valve, including check valve body (1) and non-return valve shell (2), it is characterised in that：The non-return
It is welded with air inlet (5) on the left of valve body (1), is welded with exhaust outlet (3) on the right side of the non-return valve shell (2), outside the check-valves
Fire prevention valve block (6) is installed, fire prevention valve block (6) surface is equipped with keeper (7) of preventing fires, outside the check-valves inside shell (2)
Fixed link (11) is installed, the upper and lower ends of fixed link (11) front surface, which are worn, is connected to pulley at shell (2) inside center axis
(13), it is welded with swing rod (12) on the left of the pulley (13), torsionspring (10) is installed inside the check valve body (1).
2. a kind of Combined fire-resistant check valve according to claim 1, it is characterised in that：On the non-return valve shell (2)
Lower both ends are plugged with connection clip (4), and connection clip (4) front end is plugged in check valve body (1), and rear end is plugged in non-return valve shell
(2), connection clip (4) surface is wrapped with one layer of strength plastic layer.
3. a kind of Combined fire-resistant check valve according to claim 1, it is characterised in that：Swing rod (12) infall is inserted
It is connected to fixing bolt (9), the fixing bolt (9) is connected to the first slideway (14) and the second slideway (15) surface.
4. a kind of Combined fire-resistant check valve according to claim 1, it is characterised in that：The check valve body (1) is internal
Fuse sheet (8) is installed, fuse sheet (8) quantity is 2, and the fuse sheet (8) is connected in swing rod (12) upper and lower ends.
5. a kind of Combined fire-resistant check valve according to claim 3, it is characterised in that：The check valve body (1) is internal
First slideway (14) is installed, the second slideway (15) is installed inside the check valve body (1), first slideway (14) and the
Two slideways (15) intersect installation, and first slideway (14) is located at the second slideway (15) positive upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426418.4U CN207621434U (en) | 2017-10-31 | 2017-10-31 | A kind of Combined fire-resistant check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426418.4U CN207621434U (en) | 2017-10-31 | 2017-10-31 | A kind of Combined fire-resistant check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207621434U true CN207621434U (en) | 2018-07-17 |
Family
ID=62827374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721426418.4U Expired - Fee Related CN207621434U (en) | 2017-10-31 | 2017-10-31 | A kind of Combined fire-resistant check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207621434U (en) |
-
2017
- 2017-10-31 CN CN201721426418.4U patent/CN207621434U/en not_active Expired - Fee Related
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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: 20180717 Termination date: 20181031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |