CN212536863U - Adjustable fire-proof valve - Google Patents
Adjustable fire-proof valve Download PDFInfo
- Publication number
- CN212536863U CN212536863U CN202021066363.2U CN202021066363U CN212536863U CN 212536863 U CN212536863 U CN 212536863U CN 202021066363 U CN202021066363 U CN 202021066363U CN 212536863 U CN212536863 U CN 212536863U
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- China
- Prior art keywords
- gear
- fire
- screw rod
- fire prevention
- prevention valve
- 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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- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 230000002265 prevention Effects 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 10
- 239000003546 flue gas Substances 0.000 abstract description 10
- 238000009423 ventilation Methods 0.000 abstract description 10
- 230000000903 blocking effect Effects 0.000 description 12
- 239000000779 smoke Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 5
- 230000002337 anti-port Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Lift Valve (AREA)
- Air Supply (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a fire prevention valve with adjustable, including the fire prevention valve main part, the centre of fire prevention valve main part is installed and is removed annular closure piece, remove annular closure piece and evenly install two direction sliders with the centre of fire prevention valve main part, the screw rod is installed to the centre of direction slider, the screw rod gear is installed in the one end outside of screw rod, the translation motor gear is installed to the top of screw rod gear, translation motor is installed to one side of translation motor gear, the internally mounted of fire prevention valve main part has adjusting motor, adjusting motor bevel gear is installed to adjusting motor's front end, transmission bevel gear is installed to one side of adjusting motor bevel gear. The utility model discloses an install double-sided gear ring, drive gear, rotating vane fixed block and rotating vane and conveniently adjust the ventilation aperture of fire prevention valve, be convenient for discharge inside flue gas, and seal the passageway when the conflagration takes place, avoid the flue gas to flow backward.
Description
Technical Field
The utility model relates to a fire prevention valve technical field specifically is a fire prevention valve with adjustable.
Background
With the rapid development of social economy, the fire damper is a normally closed valve, is opened or manually opened by a control center through 24V direct current, is automatically closed at 280 ℃, and is manually reset, and the fire damper has the following functions: when the temperature of the flue gas reaches 280 ℃, people are basically evacuated, the actual meaning of the discharged flue gas is not available, the fire is brought in the flue gas at the moment, the valve is automatically closed to avoid the spread of the fire, and the fire-proof valve can be divided into the following parts according to the functions: smoke exhaust valve, smoke exhaust fire valve, fire prevention governing valve, smoke prevention fire prevention governing valve etc. multiple structure.
However, the existing fire damper cannot adjust a channel for air circulation when in use, so that smoke is easy to flow backwards, and is inconvenient to discharge when the smoke is large; therefore, the existing requirements are not met, and an adjustable fire damper is provided for the requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire prevention valve with adjustable to current fire prevention valve that proposes in solving above-mentioned background art can not adjust the passageway of circulation of air when using, makes the flue gas flow backward easily, and inconvenient the scheduling problem of discharging when the flue gas is great.
In order to achieve the above object, the utility model provides a following technical scheme: an adjustable fire damper comprises a fire damper main body, wherein a movable annular plug is arranged in the middle of the fire damper main body, two guide sliding blocks are uniformly arranged between the movable annular plug and the fire damper main body, a screw rod is arranged in the middle of each guide sliding block, a screw rod gear is arranged on the outer side of one end of the screw rod, a translation motor gear is arranged above the screw rod gear, a translation motor is arranged on one side of the translation motor gear, an adjusting motor is arranged in the fire damper main body, an adjusting motor bevel gear is arranged at the front end of the adjusting motor, a transmission bevel gear is arranged on one side of the adjusting motor bevel gear, a conversion gear is arranged below the transmission bevel gear, a double-faced gear ring is arranged on one side of the conversion gear, a plurality of transmission gears are uniformly arranged on the inner side of the double-faced gear ring, and a rotating blade fixing block, rotating vane is installed to the one end of rotating vane fixed block, one side of rotating vane is provided with sealed bonding piece, the centre of rotating vane and fire prevention valve main part is provided with the rotating vane and accomodates the groove.
Preferably, the inner side of the guide sliding block and the outer side of the screw rod are both provided with threads with the same rotation, and the guide sliding block is connected with the screw rod through the threads.
Preferably, the upper end of double-sided gear ring is provided with T shape fixed block, the centre of T shape fixed block and fire prevention valve main part is provided with the direction slide rail, the upper end both sides of T shape fixed block all are provided with the ball, the outside of ball and the inboard of direction slide rail are laminated completely.
Preferably, a fixing shaft pin is arranged in one end of the rotating blade fixing block, and the fixing shaft pin penetrates through the rotating blade fixing block and the end part of the transmission gear above the rotating blade fixing block and is inserted into the fireproof valve main body.
Preferably, the outer side of the movable annular blocking piece is completely attached to the inner side of the fire damper main body, and the movable annular blocking piece is connected with the fire damper main body in a sliding mode.
Preferably, one end of the rotating blade fixing block is completely attached to the outer side of the rotating blade, and the rotating blade fixing block is fixed with the rotating blade through welding.
Preferably, the transmission bevel gear and the conversion gear are fixed on the outer side of the same rotating shaft, and the transmission bevel gear and the conversion gear are fixed through fixing pins.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model separates the movable annular plug piece from the original sealing bonding piece which is tightly connected with the movable annular plug piece after moving, then drives the adjusting motor bevel gear to rotate anticlockwise by starting the adjusting motor, so that the adjusting motor bevel gear drives the transmission bevel gear and the conversion gear which is fixed on the same rotating shaft with the transmission bevel gear to rotate, the conversion gear drives the double-sided gear ring to rotate after rotating, the transmission gear can drive the rotating blade fixing block which is fixed on the same fixed shaft pin to do circular motion around the axis of the rotating blade fixing block after rotating, so that the rotating blade fixing block drives the rotating blade with fixed end part and the sealing bonding piece which is bonded on the side surface of the rotating blade to rotate, the rotating blade fixing block is stored into the rotating blade containing groove, the ventilation aperture in the middle of the fire-proof valve main body is opened, and the rotating angle of the, the ventilation gap opened among the plurality of rotating blades can be controlled, the ventilation aperture of the fire damper can be adjusted, and the smoke can be conveniently discharged;
2. the utility model discloses a when the conflagration takes place, reverse start adjusting motor makes adjusting motor drive transmission bevel gear and carry out the clockwise rotation, transmission bevel gear can make the two-sided gear ring carry out the reverse rotation through transferring transmission bevel gear and conversion gear counter-rotation when rotating clockwise, can make drive gear drive rotating vane fixed block and carry out the counter-rotation when two-sided gear ring counter-rotation, make rotating vane fixed block drive rotating vane and reset, after rotating vane resets, reverse start translation motor makes translation motor drive the screw rod through translation motor gear and screw rod gear and reverses, can make the direction slider drive and remove annular closure piece and reset after the screw rod reverses, make and remove annular closure piece and sealed bonding piece and laminate again, seal the through-hole passageway that fire prevention valve and external world communicate, can avoid external flue gas to flow backward and the spreading of conflagration, the safety is ensured.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the overall internal structure of the present invention;
FIG. 4 is a schematic view of a partial structure of the double-sided gear ring of the present invention;
fig. 5 is a sectional view of the movable annular blocking piece of the present invention;
fig. 6 is a schematic view of a local structure of the fire damper main body of the present invention.
In the figure: 1. a fire damper main body; 2. a rotating blade; 3. a rotating blade fixing block; 4. a rotating blade receiving groove; 5. moving the annular blocking piece; 6. sealing the adhesive sheet; 7. a switching gear; 8. a drive bevel gear; 9. adjusting a motor bevel gear; 10. adjusting the motor; 11. a double-sided gear ring; 12. a transmission gear; 13. a T-shaped fixed block; 14. a translation motor; 15. a translation motor gear; 16. a screw gear; 17. a screw; 18. and a guide slide block.
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.
Referring to fig. 1 to 6, the present invention provides an embodiment: an adjustable fire damper comprises a fire damper main body 1, a movable annular blocking piece 5 is installed in the middle of the fire damper main body 1, two guide sliding blocks 18 are evenly installed between the movable annular blocking piece 5 and the fire damper main body 1, a screw rod 17 is installed in the middle of each guide sliding block 18, a screw rod gear 16 is installed on the outer side of one end of each screw rod 17, a translation motor gear 15 is installed above each screw rod gear 16, a translation motor 14 is installed on one side of each translation motor gear 15, an adjusting motor 10 is installed inside the fire damper main body 1, an adjusting motor bevel gear 9 is installed at the front end of each adjusting motor 10, a transmission bevel gear 8 is installed on one side of each adjusting motor bevel gear 9, a conversion gear 7 is installed below each transmission bevel gear 8, a double-faced gear ring 11 is arranged on one side of each conversion gear 7, a plurality of transmission gears 12 are evenly installed on the inner side of each double-, rotating vane 2 is installed to the one end of rotating vane fixed block 3, can rotate along with rotating vane fixed block 3, the ventilation volume to the fire prevention valve is conveniently regulated and control, the flue gas of being convenient for scatters outward, one side of rotating vane 2 is provided with sealed bonding piece 6, rotating vane 2 is provided with rotating vane with the centre of fire prevention valve main part 1 and accomodates groove 4, rotating vane 2 in the convenient pairing rotation is accomodate, make things convenient for the fire prevention valve to carry out ventilation gap's regulation. The adjustment motor 10 (model 5IK40GN-C) and the translation motor 14 (model GA12-N20) are commercially available or custom made.
Further, the inner side of the guide slider 18 and the outer side of the screw 17 are both provided with threads with the same rotation, and the guide slider 18 is connected with the screw 17 through the threads.
By adopting the technical scheme, the screw rod 17 can be controlled to move when rotating through threaded connection, so that the guide sliding block 18 can drive the movable annular plug piece 5 to move conveniently.
Further, the upper end of the double-sided gear ring 11 is provided with a T-shaped fixing block 13, a guide slide rail is arranged between the T-shaped fixing block 13 and the fire damper main body 1, two sides of the upper end of the T-shaped fixing block 13 are provided with balls, and the outer sides of the balls are completely attached to the inner sides of the guide slide rail.
Through adopting above-mentioned technical scheme, T shape fixed block 13 can carry out fixed stay with double-sided gear ring 11, and the ball makes things convenient for double-sided gear ring 11 to rotate.
Furthermore, a fixing shaft pin is arranged inside one end of the rotating blade fixing block 3, and the fixing shaft pin penetrates through the rotating blade fixing block 3 and the end part of the transmission gear 12 above the rotating blade fixing block 3 to be inserted into the fireproof valve main body 1.
By adopting the technical scheme, the shaft pin is fixed, so that the transmission gear 12 and the rotating blade fixing block 3 synchronously rotate.
Further, the outer side of the movable annular blocking piece 5 is completely attached to the inner side of the fire damper main body 1, and the movable annular blocking piece 5 is connected with the fire damper main body 1 in a sliding mode.
Through adopting above-mentioned technical scheme, sliding connection is convenient for remove annular closure piece 5 and removes, conveniently removes annular closure piece 5 and the separation of sealed bonding piece 6, opens the ventilation aperture of fire prevention valve.
Further, the one end of rotating vane fixed block 3 is laminated with rotating vane 2's outside completely, and rotating vane fixed block 3 passes through welded fastening with rotating vane 2.
Through adopting above-mentioned technical scheme, the welding has strengthened rotating vane fixed block 3 and rotating vane 2's connection performance and stability can, has fine mechanical strength for rotating vane 2 can rotate along with rotating vane fixed block 3.
Further, the transmission bevel gear 8 and the conversion gear 7 are fixed on the outer side of the same rotating shaft, and the transmission bevel gear 8 and the conversion gear 7 are fixed through fixing pins.
Through adopting above-mentioned technical scheme, fixed pin simple structure, convenient to use for same root epaxial transmission bevel gear 8 of commentaries on classics and conversion gear 7 can synchronous revolution.
The working principle is as follows: when the fireproof valve is used, firstly, a power supply is switched on, after the power supply is switched on, the translation motor 14 rotates through the translation motor gear 15 to enable the screw gear 16 and the screw 17 fixed with the screw gear 16 to rotate, when the screw 17 rotates, the screw 17 can be connected with the guide sliding block 18 through threads, so that the guide sliding block 18 moves along the surface of the screw 17, when the guide sliding block 18 moves, the movable annular blocking piece 5 fixed with the guide sliding block can be driven to move, after the movable annular blocking piece 5 moves, the movable annular blocking piece can be separated from the original sealing bonding piece 6 tightly connected with the movable annular blocking piece, then the adjusting motor bevel gear 9 is driven to rotate anticlockwise through starting the adjusting motor 10, so that the adjusting motor bevel gear 9 drives the transmission bevel gear 8 and the conversion gear 7 fixed on the same rotating shaft with the transmission bevel gear 8 to rotate, after the conversion gear 7 rotates, the transmission gear 12 is driven to rotate through the double, after rotating, the transmission gear 12 can drive and fix the rotating blade fixing block 3 on the same fixed shaft pin to do circular motion around the axis, so that the rotating blade fixing block 3 drives the rotating blade 2 fixed at the end part and the sealing bonding sheet 6 bonded on the side surface of the rotating blade 2 to rotate and is accommodated into the rotating blade accommodating groove 4, so that the ventilation aperture in the middle of the fire damper main body 1 is opened, by controlling the rotating angle of the rotating blade fixing block 3, the ventilation gap opened in the middle of a plurality of rotating blades 2 can be controlled, the ventilation aperture of the fire damper can be adjusted, smoke is convenient to exhaust, when a fire occurs, the adjusting motor 10 is reversely started, so that the adjusting motor 10 drives the transmission bevel gear 8 to rotate clockwise, when the transmission bevel gear 8 rotates clockwise, the transmission bevel gear 8 and the conversion gear 7 are reversely rotated, so that the double-sided gear ring 11 rotates reversely, make drive gear 12 drive rotating vane fixed block 3 carry out the antiport during 11 antiport of double faced gear ring, make rotating vane fixed block 3 drive rotating vane 2 and reset, after rotating vane 2 resets, reverse start translation motor 14, make translation motor 14 drive screw rod 17 reversal through translation motor gear 15 and screw rod gear 16, can make guide slider 18 drive removal annular closure piece 5 after screw rod 17 reverses and reset, make removal annular closure piece 5 laminate with sealed bonding piece 6 again, seal the through-hole passageway of fire prevention valve with external intercommunication, can avoid external flue gas to flow backward and the stretching of conflagration, guarantee safety, moreover, the steam generator is simple in structure, and convenient for operation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (7)
1. The utility model provides a fire prevention valve with adjustable, includes the fire prevention valve main part, its characterized in that: the fire-proof valve comprises a fire-proof valve body, a movable annular plug piece is arranged in the middle of the fire-proof valve body, two guide sliding blocks are uniformly arranged in the middle of the movable annular plug piece and the fire-proof valve body, a screw rod is arranged in the middle of each guide sliding block, a screw rod gear is arranged on the outer side of one end of the screw rod, a translation motor gear is arranged above the screw rod gear, a translation motor is arranged on one side of the translation motor gear, an adjusting motor is arranged in the fire-proof valve body, an adjusting motor bevel gear is arranged at the front end of the adjusting motor, a transmission bevel gear is arranged on one side of the adjusting motor bevel gear, a conversion gear is arranged below the transmission bevel gear, a double-sided gear ring is arranged on one side of the conversion gear, a plurality of transmission gears are, rotating vane is installed to the one end of rotating vane fixed block, one side of rotating vane is provided with sealed bonding piece, the centre of rotating vane and fire prevention valve main part is provided with the rotating vane and accomodates the groove.
2. The adjustable fire damper as recited in claim 1, wherein: the inner side of the guide sliding block and the outer side of the screw rod are both provided with threads with the same rotation, and the guide sliding block is connected with the screw rod through the threads.
3. The adjustable fire damper as recited in claim 1, wherein: the upper end of double-sided gear ring is provided with T shape fixed block, the centre of T shape fixed block and fire prevention valve main part is provided with the direction slide rail, the upper end both sides of T shape fixed block all are provided with the ball, the outside of ball and the inboard of direction slide rail laminate completely.
4. The adjustable fire damper as recited in claim 1, wherein: and a fixing shaft pin is arranged in one end of the rotating blade fixing block, and the fixing shaft pin penetrates through the rotating blade fixing block and the end part of the transmission gear above the rotating blade fixing block and is inserted in the fireproof valve main body.
5. The adjustable fire damper as recited in claim 1, wherein: the outside of removing annular closure piece is laminated completely with the inboard of fire prevention valve main part, remove annular closure piece and fire prevention valve main part sliding connection.
6. The adjustable fire damper as recited in claim 1, wherein: one end of the rotating blade fixing block is completely attached to the outer side of the rotating blade, and the rotating blade fixing block is fixed with the rotating blade through welding.
7. The adjustable fire damper as recited in claim 1, wherein: the transmission bevel gear and the conversion gear are fixed on the outer side of the same rotating shaft and are fixed through fixing pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021066363.2U CN212536863U (en) | 2020-06-11 | 2020-06-11 | Adjustable fire-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021066363.2U CN212536863U (en) | 2020-06-11 | 2020-06-11 | Adjustable fire-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212536863U true CN212536863U (en) | 2021-02-12 |
Family
ID=74639860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021066363.2U Expired - Fee Related CN212536863U (en) | 2020-06-11 | 2020-06-11 | Adjustable fire-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212536863U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685643A (en) * | 2021-08-27 | 2021-11-23 | 中国核动力研究设计院 | Reducing orifice plate |
| CN115059655A (en) * | 2022-07-23 | 2022-09-16 | 合肥英腾嘉科技发展有限责任公司 | Valve block structure of electromagnetic valve double-loop hydraulic power station |
-
2020
- 2020-06-11 CN CN202021066363.2U patent/CN212536863U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685643A (en) * | 2021-08-27 | 2021-11-23 | 中国核动力研究设计院 | Reducing orifice plate |
| CN115059655A (en) * | 2022-07-23 | 2022-09-16 | 合肥英腾嘉科技发展有限责任公司 | Valve block structure of electromagnetic valve double-loop hydraulic power station |
| CN115059655B (en) * | 2022-07-23 | 2022-11-29 | 合肥英腾嘉科技发展有限责任公司 | Valve block structure of electromagnetic valve double-loop hydraulic power station |
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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: 20210212 |