CN211624327U - Smoke-discharging fire-proof valve for smoke-discharging pipeline - Google Patents
Smoke-discharging fire-proof valve for smoke-discharging pipeline Download PDFInfo
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- CN211624327U CN211624327U CN201922220890.8U CN201922220890U CN211624327U CN 211624327 U CN211624327 U CN 211624327U CN 201922220890 U CN201922220890 U CN 201922220890U CN 211624327 U CN211624327 U CN 211624327U
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- smoke
- fixed
- alloy frame
- smoke evacuation
- connecting rod
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Abstract
The utility model discloses a fire prevention valve of discharging fume for discharging fume pipeline, its technical scheme main points are: the smoke-blocking door is rotationally connected in the alloy frame, sealing rubber strips are fixed on two sides of the smoke-blocking door respectively, two surfaces of the smoke-blocking door are arc-shaped, the cross section of the smoke-blocking door is narrow at the top and wide at the bottom, two grooves are symmetrically formed in the bottom of the smoke-blocking door, a containing box is inserted in each of the two grooves, a first connecting rod is fixedly installed at the top of the smoke-blocking door, the end of the first connecting rod is connected with a second connecting rod, an avoiding groove is formed in the top of the alloy frame, a protective cover is fixed above the avoiding groove on the alloy frame, and a servo motor is fixed in the protective cover; the fire damper does not need to be locked by a linkage actuating mechanism, is not easy to damage, and is easy to maintain after being damaged; furthermore, subsequent cleaning is facilitated after a fire.
Description
Technical Field
The utility model relates to an air conditioner accessory field, in particular to fire prevention valve of discharging fume for discharging fume the pipeline.
Background
Smoke exhaust fire prevention valves are commonly installed in large air conditioning air supply systems for use. It is installed on the air supply pipeline of ventilation and air conditioning system, and is opened at ordinary times. When the temperature of the smoke in the pipeline reaches 70 ℃ in a fire disaster, the valve is closed, and the requirements of smoke leakage amount and fire resistance integrity can be met within a certain time, so that the valve for isolating fire retardance is realized.
Referring to the prior Chinese patent with publication number CN110529612A, the invention discloses a high-sealing fire-proof valve; the blade shaft structure comprises an outer frame, wherein two inner sides of the outer frame are respectively provided with a first protruding reinforcing rib, the first reinforcing ribs are movably provided with at least two blade shafts, rotating plates are fixedly arranged on the blade shafts, and all the rotating plates are connected through connecting strips; the side surfaces of the first reinforcing ribs are provided with fixed blocks which correspond to the blade shafts one by one, and the rotating plates are connected with the corresponding fixed blocks through springs; the blade shaft is fixedly provided with blades and is positioned in the centers of the blades; sealing bulges are arranged at two ends of each blade and are in a semi-arc shape; and one side of the outer frame is fixedly provided with an actuating device for closing or opening the blade, and the actuating device comprises a temperature sensor and a locking mechanism.
The high-sealing fireproof valve greatly reduces the cost in the aspect of materials, simplifies the processing technology and has good sealing performance. However, the above-mentioned high-sealing fire damper still has some disadvantages, such as: when the valve is closed, a large amount of smoke dust is accumulated at the fire damper, so that more dust is accumulated at the fire damper, and subsequent cleaning is not easy to perform; secondly, the closing of the fire damper is usually locked by a linkage actuating mechanism, and the fire damper is easy to damage.
SUMMERY OF THE UTILITY MODEL
To the problem mentioned in the background art, the utility model aims at providing a fire damper of discharging fume for discharging fume pipeline to solve the problem mentioned in the background art.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a smoke-discharging fire-proof valve for smoke-discharging pipeline comprises an alloy frame, wherein a smoke-stopping door is rotationally connected in the alloy frame, sealing rubber strips are respectively fixed on two sides of the smoke-stopping door, two surfaces of the smoke-stopping door are both arc-shaped, the cross section of the smoke-stopping door is narrow at the top and wide at the bottom, two grooves are symmetrically formed in the bottom of the smoke-stopping door, a containing box is respectively inserted into the two grooves, a first connecting rod is fixedly installed at the top of the smoke-stopping door, the end part of a motor shaft of the servo motor is fixedly connected with a second connecting rod, a avoiding groove is formed in the top of the alloy frame, a protective cover is fixedly arranged above the avoiding groove in the alloy frame, a servo motor is fixedly arranged in the protective cover, the end part of the motor shaft of the servo motor is fixedly arranged at the end part of the second connecting rod, a temperature sensor and a PLC (programmable logic controller) are arranged on the, and the control output end of the PLC is electrically connected with the servo motor.
By adopting the technical scheme, when the valve is used, the smoke baffle door is in an open state, one part of the smoke baffle door extends into an air conditioner pipeline, a temperature sensor on the smoke baffle door can sense the temperature when a fire disaster happens, and when the temperature reaches above 70 ℃, the PLC can drive the servo motor to operate and drive the second connecting rod and the first connecting rod to swing, so that the smoke baffle door is driven to close, and the aim of fire prevention is fulfilled; in addition, when the smoke-proof valve is closed, a large amount of smoke and dust can be directly pounded on the smoke-proof door, and most of smoke and dust can be accumulated in the containing box inserted in the groove in the smoke-proof door due to the fact that the surface of the smoke-proof door is an arc surface, and follow-up cleaning is facilitated.
Preferably, the two receiving boxes are fixedly welded with inserting strips, and the smoke blocking door is symmetrically provided with two slots for the inserting strips to insert.
Through adopting above-mentioned technical scheme, utilize the cooperation of cutting and slot to make to connect flourishing box grafting more firm.
Preferably, the inserting strip is a dovetail strip or a T-shaped strip, and the slot is a dovetail groove or a T-shaped slot matched with the inserting strip.
Through adopting above-mentioned technical scheme, have the advantage of convenient manufacturing when the cutting adopts dovetail strip or T shape strip, and can prevent to connect the flourishing box to drop from the smoke protection door.
Preferably, a first flange is fixed at the top end of the first connecting rod, a second flange is fixed at the bottom end of the second connecting rod, and the first flange and the second flange are connected through a plurality of first locking bolts.
Through adopting above-mentioned technical scheme, utilize first ring flange, second ring flange and first lock bolt to make things convenient for the head rod to be connected fixedly with the second connecting rod.
Preferably, the protective cover is provided with a plurality of heat dissipation holes.
Through adopting above-mentioned technical scheme, the louvre on the safety cover can be for servo motor heat dissipation.
Preferably, the two sides of the alloy frame are respectively provided with a protruding plate part which is integrally formed with the alloy frame, and the two protruding plate parts are respectively provided with a plurality of threaded holes.
Through adopting above-mentioned technical scheme, utilize the protrusion board can make things convenient for the integral erection of smoke damper fixed.
Preferably, the surface of the alloy frame is fixed with a partition plate through a plurality of second locking bolts.
Through adopting above-mentioned technical scheme, the baffle can protect alloy frame.
Preferably, the protective cover is externally welded and fixed with two mounting plates, and the two mounting plates are respectively fixed on the top surface of the alloy frame through third locking bolts.
Through adopting above-mentioned technical scheme, utilize mounting panel and third locking bolt can conveniently realize that the installation of protecting sheathing is fixed.
To sum up, the utility model discloses mainly have following beneficial effect:
when the valve is used, the smoke baffle door is in an open state, one part of the smoke baffle door extends into an air conditioner pipeline, a temperature sensor on the smoke baffle door can sense the temperature when a fire disaster happens, and when the temperature reaches above 70 ℃, the PLC can drive the servo motor to operate to drive the second connecting rod and the first connecting rod to swing so as to drive the smoke baffle door to close and achieve the purpose of fire prevention;
secondly, when the smoke-proof valve is closed, a large amount of smoke and dust can be directly pounded on the smoke-proof door, and most of smoke and dust can be accumulated in a containing box inserted in a groove in the smoke-proof door due to the fact that the surface of the smoke-proof door is an arc surface, and follow-up cleaning is facilitated.
Drawings
FIG. 1 is one of the schematic structural views for showing a smoke evacuation fire damper for a smoke evacuation duct;
FIG. 2 is a sectional view showing the construction of a smoke evacuation fire damper for a smoke evacuation line;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
fig. 5 is a second schematic diagram for showing the structure of the smoke evacuation fire damper for the smoke evacuation piping.
Reference numerals: 1. an alloy frame; 2. a smoke stop door; 3. sealing rubber strips; 4. a groove; 5. receiving the containing box; 6. a first connecting rod; 7. a second connecting rod; 8. an avoidance groove; 9. a protective cover; 10. a servo motor; 11. a temperature sensor; 12. a PLC controller; 13. cutting; 14. a slot; 15. a first flange plate; 16. a second flange plate; 17. a first locking bolt; 18. heat dissipation holes; 19. a projecting plate portion; 20. a threaded hole; 21. a second locking bolt; 22. a partition plate; 23. mounting a plate; 24. and a third locking bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, 2 and 4, a smoke evacuation fire damper for a smoke evacuation pipeline comprises an alloy frame 1, wherein a smoke door 2 is rotatably connected in the alloy frame 1, and sealing rubber strips 3 are respectively fixed on two sides of the smoke door 2; in order to collect smoke dust, the two surfaces of the smoke door 2 are both arc-shaped, wherein the cross section of the smoke door 2 is narrow at the top and wide at the bottom, two grooves 4 are symmetrically formed in the bottom of the smoke door 2, and the two grooves 4 are respectively inserted with a containing box 5; when the smoke-proof valve is closed, a large amount of smoke and dust can be directly pounded on the smoke-proof door 2, and most of smoke and dust can be accumulated in the containing box 5 inserted in the groove 4 in the smoke-proof door 2 due to the cambered surface of the smoke-proof door 2, so that the subsequent cleaning is convenient.
Referring to fig. 1, 2 and 3, in order to control the automatic closing of the smoke damper 2, a first connecting rod 6 is fixedly installed at the top of the smoke damper 2, a second connecting rod 7 is connected to an end of the first connecting rod 6, an avoiding groove 8 is formed at the top of the alloy frame 1, a protective cover 9 is fixed above the avoiding groove 8 of the alloy frame 1, a servo motor 10 is fixed in the protective cover 9, an end of a motor shaft of the servo motor 10 is fixed at an end of the second connecting rod 7, a temperature sensor 11 and a PLC controller 12 are arranged on the smoke damper 2, the temperature sensor 11 is electrically connected with a control input end of the PLC controller 12, and a control output end of the PLC controller 12 is electrically connected with the servo motor 10; this valve is when using, keep off the smoke door 2 and be in the open mode, stretch in the air conditioner pipeline in its part, temperature sensor 11 on it can the induced temperature when the conflagration breaks out, when the temperature reaches more than 70 ℃, PLC controller 12 can drive servo motor 10 operation, drive second connecting rod 7 and the swing of head rod 6, thereby it closes to drive to keep off smoke door 2, reach the mesh of fire prevention, this fire prevention valve need not rely on linkage actuating mechanism to lock, adopt servo motor 10 drive, be difficult to take place to damage, and maintain easily after damaging.
Referring to fig. 2 and 4, in order to make the receiving boxes 5 more firmly installed, the two receiving boxes 5 are fixedly welded with the inserting strips 13, the smoke door 2 is symmetrically provided with two inserting slots 14 for the inserting strips 13 to be inserted into, and the receiving boxes 5 can be more firmly and stably inserted by matching the inserting strips 13 with the inserting slots 14; the inserting strip 13 is a dovetail strip, the inserting groove 14 is a dovetail groove matched with the inserting strip 13, the inserting strip 13 has the advantage of convenience in manufacturing when the dovetail strip is adopted, and the receiving box 5 can be prevented from falling off from the smoke-proof door.
Referring to fig. 2 and 3, in order to facilitate the connection and fixation of the first connecting rod 6 and the second connecting rod 7, a first flange 15 is fixed at the top end of the first connecting rod 6, a second flange 16 is fixed at the bottom end of the second connecting rod 7, the first flange 15 and the second flange 16 are connected through four first locking bolts 17, and the first flange 15, the second flange 16 and the first locking bolts 17 can facilitate the connection and fixation of the first connecting rod 6 and the second connecting rod 7; in order to facilitate heat dissipation of the servo motor 10, a plurality of heat dissipation holes 18 are formed in the protective cover 9, and the heat dissipation holes 18 in the protective cover 9 can dissipate heat for the servo motor 10.
Referring to fig. 1 and 5, in order to facilitate the installation of the fire damper, two sides of the alloy frame 1 are respectively provided with a protruding plate portion 19 integrally formed with the alloy frame 1, wherein two threaded holes 20 are respectively formed on the two protruding plate portions 19, and the protruding plates can facilitate the integral installation and fixation of the fire damper; meanwhile, a partition plate 22 is fixed on the surface of the alloy frame 1 through four second locking bolts 21, and the partition plate 22 can protect the alloy frame 1.
Referring to fig. 2 and 3, in order to facilitate the installation and fixation of the protective cover 9, two mounting plates 23 are welded and fixed outside the protective cover 9, the two mounting plates 23 are respectively fixed on the top surface of the alloy frame 1 through third locking bolts 24, and the installation and fixation of the protective cover 9 can be conveniently realized by using the mounting plates 23 and the third locking bolts 24.
In addition, the present PLC controller 12 may be selected from Siemens PLC controllers, of type s 7-200; the present temperature sensor 11 may be a pt100 temperature sensor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a fire damper of discharging fume for discharging fume pipeline, includes alloy frame (1), its characterized in that: the smoke-blocking door is rotationally connected with the alloy frame (1), sealing rubber strips (3) are fixed on two sides of the smoke-blocking door (2) respectively, two surfaces of the smoke-blocking door (2) are arc-shaped, the cross section of the smoke-blocking door (2) is narrow at the top and wide at the bottom, two grooves (4) are symmetrically formed in the bottom of the smoke-blocking door (2), two containing boxes (5) are respectively inserted into the grooves (4), a first connecting rod (6) is fixedly installed at the top of the smoke-blocking door (2), a second connecting rod (7) is connected to the end of the first connecting rod (6), a avoiding groove (8) is formed in the top of the alloy frame (1), a protective cover (9) is fixed above the avoiding groove (8) on the alloy frame (1), a servo motor (10) is fixed in the protective cover (9), and the end of a motor shaft of the servo motor (10) is fixed at the end of the second connecting rod (7), be provided with temperature sensor (11) and PLC controller (12) on keeping off smoke door (2), temperature sensor (11) with the control input electric connection of PLC controller (12), the control output of PLC controller (12) with servo motor (10) electric connection.
2. A smoke evacuation fire damper for a smoke evacuation duct according to claim 1, wherein: two connect on the flourishing box (5) welded fastening to have cutting (13), two confession are seted up on smoke damper (2) symmetrically cutting into pieces (13) male slot (14).
3. A smoke evacuation fire damper for a smoke evacuation duct according to claim 2, wherein: the cutting (13) is a dovetail strip or a T-shaped strip, and the slot (14) is a dovetail groove or a T-shaped slot matched with the cutting (13).
4. A smoke evacuation fire damper for a smoke evacuation duct according to claim 1, wherein: the connecting structure is characterized in that a first flange plate (15) is fixed at the top end of the first connecting rod (6), a second flange plate (16) is fixed at the bottom end of the second connecting rod (7), and the first flange plate (15) is connected with the second flange plate (16) through a plurality of first locking bolts (17).
5. A smoke evacuation fire damper for a smoke evacuation duct according to claim 1, wherein: a plurality of heat dissipation holes (18) are formed in the protective cover (9).
6. A smoke evacuation fire damper for a smoke evacuation duct according to claim 1, wherein: the two sides of the alloy frame (1) are respectively provided with a protruding plate part (19) which is integrally formed with the alloy frame (1), and the two protruding plate parts (19) are respectively provided with a plurality of threaded holes (20).
7. A smoke evacuation fire damper for a smoke evacuation duct according to claim 1, wherein: and a clapboard (22) is fixed on the surface of the alloy frame (1) through a plurality of second locking bolts (21).
8. A smoke evacuation fire damper for a smoke evacuation duct according to claim 1, wherein: the outer welding of safety cover (9) is fixed with two mounting panels (23), two mounting panels (23) are fixed through third locking bolt (24) respectively alloy frame (1) top surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922220890.8U CN211624327U (en) | 2019-12-12 | 2019-12-12 | Smoke-discharging fire-proof valve for smoke-discharging pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922220890.8U CN211624327U (en) | 2019-12-12 | 2019-12-12 | Smoke-discharging fire-proof valve for smoke-discharging pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211624327U true CN211624327U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922220890.8U Expired - Fee Related CN211624327U (en) | 2019-12-12 | 2019-12-12 | Smoke-discharging fire-proof valve for smoke-discharging pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211624327U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116123296A (en) * | 2023-03-22 | 2023-05-16 | 江苏阿波罗空调净化设备制造有限公司 | Electric control fireproof airtight butterfly valve |
| CN117028655A (en) * | 2023-10-07 | 2023-11-10 | 福建长远通风设备有限公司 | Locking mechanism of high leakproofness fire damper that discharges fume |
-
2019
- 2019-12-12 CN CN201922220890.8U patent/CN211624327U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116123296A (en) * | 2023-03-22 | 2023-05-16 | 江苏阿波罗空调净化设备制造有限公司 | Electric control fireproof airtight butterfly valve |
| CN116123296B (en) * | 2023-03-22 | 2023-09-08 | 江苏阿波罗空调净化设备制造有限公司 | Electric control fireproof airtight butterfly valve |
| CN117028655A (en) * | 2023-10-07 | 2023-11-10 | 福建长远通风设备有限公司 | Locking mechanism of high leakproofness fire damper that discharges fume |
| CN117028655B (en) * | 2023-10-07 | 2024-01-16 | 福建长远通风设备有限公司 | Locking mechanism of high leakproofness fire damper that discharges fume |
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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: 20201002 Termination date: 20211212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |