CN210920274U - Fire-proof valve for ventilation system matched with combustion engine - Google Patents
Fire-proof valve for ventilation system matched with combustion engine Download PDFInfo
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- CN210920274U CN210920274U CN201920303013.4U CN201920303013U CN210920274U CN 210920274 U CN210920274 U CN 210920274U CN 201920303013 U CN201920303013 U CN 201920303013U CN 210920274 U CN210920274 U CN 210920274U
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- combustion engine
- ventilation system
- fire
- fire damper
- driven shaft
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Abstract
The utility model relates to a fire prevention valve for supporting ventilation system of combustion engine, this fire prevention valve include fire prevention valve skeleton (1), blade (2), link mechanism (3), pneumatic actuator (4), driving shaft (5), driven shaft (6), driven shaft two (7) and bearing frame (8), pneumatic actuator (4) connect driving shaft (5), driving shaft (5) drive driven shaft one (6) and driven shaft two (7) through link mechanism (3) and rotate to drive blade (2) and rotate, play and close and open the function of fire prevention valve. The utility model has the advantages of this fire prevention valve's skeleton is formed by bolted connection and compares the welding before, and the deflection is little and be convenient for transport, and the blade is formed by the mould casting, one shot forming, and the arc hollow structure of blade makes the leakproofness of fire prevention valve better, and the dead weight is lighter and the flow resistance is also relatively less.
Description
Technical Field
The utility model relates to a fire prevention valve, concretely relates to fire prevention valve that is used for supporting ventilation system of combustion engine.
Background
The fire damper is an important fire protection device, and has a wide application in the field of fire protection. The fire-proof valve of the gas turbine matching system is generally installed in the air intake and exhaust system of the gas turbine and is in an open state at ordinary times, and when a fire disaster occurs, the fire-proof valve is closed to block the air circulation in the gas turbine system, so that the purpose of eliminating the fire disaster is achieved. Most of the existing fire-proof valves utilize the temperature control of the fusible metal arranged on the valve, and utilize the action of gravity and a spring mechanism, when a fire disaster happens, flame invades an air channel, and the fusible metal on the valve is dissolved at high temperature, so that the valve is automatically closed. The fire-proof valve has many defects, the fusible metal can be used only once and can be replaced again when used next time, the equipment utilization rate is not high, and the metal melting needs a certain time, so the influence on the opening and closing sensitivity of the fire-proof valve is great, and the opening and closing sensitivity is not high.
An object of the utility model is to provide a fire prevention valve that airtight effectual, sensitivity is high. The utility model discloses an equipment has easily processing transportation, can repeat repetitious usage, and sealed effectual and sensitivity is high characteristics.
SUMMERY OF THE UTILITY MODEL
To above-mentioned prior art's shortcoming or not enough, the to-be-solved technical problem of the utility model is to provide one kind and have easily processing transportation, can repeat repetitious usage, sealed effectual and the high equipment of sensitivity.
In order to solve the above technical problem, the utility model discloses have following constitution:
a fire-proof valve for the ventilation system of gas turbine is composed of a skeleton, blades, a connecting rod mechanism,
The pneumatic actuator is connected with the driving shaft, and the driving shaft drives the first driven shaft and the second driven shaft to rotate through the connecting rod mechanism, so that the blades are driven to rotate, and the function of closing and opening the fire damper is achieved.
The fire-proof valve for the ventilation system matched with the combustion engine is characterized in that the fire-proof valve framework is formed by connecting an inner plate and an outer plate through bolts.
The fire damper for the ventilation system matched with the combustion engine is characterized in that the blade is formed by one-step casting through a die.
The fire damper for the ventilation system matched with the combustion engine is characterized in that the connecting rod mechanism comprises a connecting piece and a guide rod, and the connecting piece and the guide rod are connected together through a pin.
The actuator is connected to the outer plate of the framework of the fire damper through the actuator mounting seat.
One end of each driving shaft is connected with the two actuators, and the other end of each driving shaft is connected with the corresponding blade.
One end of the driven shaft is connected with the connecting rod mechanism, and the other end of the driven shaft is connected with the blade.
The fire damper for the ventilation system matched with the combustion engine is characterized in that one end of the driven shaft is connected with the fire damper framework through the bearing seat, and the other end of the driven shaft is connected with the blade.
The blade be by mould one shot casting shaping, the material is aluminium, and is hollow structure, the blade molding is the arc, two blades adopt the overlap joint for sealed effect is better.
The connecting rod mechanism connecting piece is connected with the guide rod through a pin, and the pin is fixed through a locking nut.
The fire damper for the ventilation system matched with the combustion engine is characterized in that the driving shaft and the driven shaft are both made of 304 stainless steel, and the surfaces of the driving shaft and the driven shaft are provided with embossments and are not easy to slide.
Advantageous effects
The utility model discloses fire prevention valve skeleton is in the same place through bolted connection, compares welding before, and it is more convenient to transport and dismantle, and the deflection also can reduce moreover, and bolted connection can adjust the gap between the stainless steel fender spare on blade and the skeleton for sealed effect is better.
The utility model discloses all driving shaft driven shaft materials are 304 stainless steel and the surface has the knurling, and difficult slip is more durable.
The utility model discloses an all fire prevention valve blades are by mould one shot casting shaping, and the material is aluminium, and is hollow structure, and the blade molding is the arc, and two blades adopt the overlap joint for sealed effect is better, and the hollow arc structure of blade makes the dead weight of blade littleer, and the flow resistance is littleer.
The utility model discloses a link mechanism connecting piece and guide arm pass through the pin junction, are fixed with the round pin through lock nut, and lock nut can prevent to lead to the round pin to drop because of long-time connecting rod rotates.
The utility model discloses all driven shaft structures are all the same, and all driving shaft structures are also the same, can carry out batch production, and processing is convenient. And can be applied to fire prevention valves of different sizes.
The utility model discloses when the unit normally operates, advance, the fire prevention valve of airing exhaust need be in the state of opening. At the moment, the air circuit and the electric circuit connected with the pneumatic actuator are normally connected. Once a fire disaster happens, the power supply or the air supply is cut off, and the actuator of the fire damper can be automatically closed under the condition of the power supply or the air supply, so that the fire damper is in a closed state. The fire-proof valve can automatically reset under the power-on and ventilation states. The fire-proof valve can be used for multiple times, has high sensitivity and can effectively prevent fire.
The utility model discloses it is little that the electric power is opened the consumption electric current.
The utility model discloses actuating mechanism drive is nimble, and feedback, interlocking signal are accurate.
Drawings
FIG. 1: the utility model is used for axonometric drawing of combustion engine ventilation system fire prevention valve
FIG. 2: the utility model discloses a partial enlarged view of D position in figure 1
FIG. 3: the utility model is used for combustion engine ventilation system fire prevention valve's elevation view
FIG. 4: the utility model is shown in the cross section along A-A in figure 3
FIG. 5: enlarged partial view of A1 in FIG. 4
FIG. 6: the utility model discloses along the bottom view of C direction in fig. 3
FIG. 7: the utility model discloses the plan view
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Example 1
As shown in figure 1, the fire damper for the ventilation system matched with the combustion engine comprises a fire damper framework 1, blades 2, a connecting rod mechanism 3, a pneumatic actuator 4, a driving shaft 5, a driven shaft I6, a driven shaft II 7 and a bearing seat 8, wherein the pneumatic actuator 4 is connected with the driving shaft 5, and the driving shaft 5 drives the driven shaft I7 and the driven shaft II 8 to rotate through the connecting rod mechanism 3, so that the blades 2 are driven to rotate, and the functions of closing and opening the fire damper are achieved.
Example 2
According to the fire damper used for the ventilation system matched with the combustion engine in the embodiment 1, the fire damper framework 1 is formed by connecting an inner plate and an outer plate through bolts.
Example 3
According to the fire damper for the ventilation system matched with the combustion engine in the embodiment 1, the blade 2 is formed by one-step casting through a mould.
Example 4
According to the fire damper for the ventilation system matched with the combustion engine in the embodiment 1, the connecting rod mechanism 3 comprises a connecting piece 31 and a guide rod 33, and the connecting piece 31 and the guide rod 33 are connected together through a pin 32.
Example 5
According to the fire damper used for the combustion engine matched ventilation system in the embodiment 1, the pneumatic actuator is connected to the outer plate of the fire damper framework through the actuator mounting seat 41.
Example 6
According to the fire damper used for the ventilation system matched with the combustion engine in the embodiment 1, one end of each driving shaft 5 is connected with each pneumatic actuator 4, and the other end of each driving shaft is connected with each blade 2.
Example 7
According to the fire damper used for the ventilation system matched with the combustion engine in the embodiment 1, one end of the driven shaft I6 is connected with the connecting rod mechanism 3, and the other end of the driven shaft I is connected with the blade 2.
Example 8
According to the fire damper used for the ventilation system matched with the combustion engine in the embodiment 1, one end of the driven shaft II 7 is connected with the fire damper framework 1 through the bearing seat 8, and the other end of the driven shaft II is connected with the connecting blade 2.
Example 9
According to blade 2 of embodiment 2, blade 2 is by mould one shot casting shaping, and the material is aluminium, and is hollow structure, and blade 2 molding is the arc, and two blades adopt the overlap joint for sealed effect is better.
Example 10
The link mechanism coupling member 31 and the guide bar 33 according to embodiment 4 are coupled by the pin 32, and the pin 32 is fixed by a lock nut.
Example 11
According to the fire damper for the ventilation system matched with the combustion engine in any one of the embodiments 6 to 8, the driving shaft 5 and the driven shafts 6 and 7 are made of 304 stainless steel, and the surface of the fire damper is embossed and cannot easily slide.
Example 12
The working principle is as follows: when the unit normally operates, the air inlet and exhaust fireproof valves need to be in an open state. At the moment, the air circuit and the electric circuit connected with the pneumatic actuator are normally connected. Once a fire disaster happens, the power supply or the air supply is cut off, and the actuator of the fire damper can be automatically closed under the condition of the power supply or the air supply, so that the fire damper is in a closed state. The fire-proof valve can automatically reset under the power-on and ventilation states.
Other technical solutions within the scope of the present invention can be fully implemented by those skilled in the art according to the teachings of the present embodiment.
Claims (11)
1. A fire damper for a ventilation system matched with a combustion engine is characterized in that: the fire damper comprises a fire damper framework, blades, a connecting rod mechanism, a pneumatic actuator, a driving shaft, a first driven shaft, a second driven shaft and a bearing seat, wherein the pneumatic actuator is connected with the driving shaft, the driving shaft drives the first driven shaft and the second driven shaft to rotate through the connecting rod mechanism, so that the blades are driven to rotate, and the function of closing and opening the fire damper is achieved.
2. A fire damper for a ventilation system associated with a combustion engine as claimed in claim 1, wherein: the fire-proof valve framework is formed by connecting an inner plate and an outer plate through bolts.
3. The fire damper for a ventilation system associated with a combustion engine as claimed in claim 1, wherein: the blade is formed by one-step casting through a die.
4. The fire damper for a ventilation system associated with a combustion engine as claimed in claim 1, wherein: the connecting rod mechanism comprises a connecting piece and a guide rod, and the connecting piece and the guide rod are connected together through a pin.
5. The fire damper for a ventilation system associated with a combustion engine as claimed in claim 1, wherein: and the pneumatic actuator is connected to the outer plate of the fire-proof valve framework through the actuator mounting seat.
6. The fire damper for a ventilation system associated with a combustion engine as claimed in claim 1, wherein: one ends of the two driving shafts are connected with the two pneumatic actuators, and the other ends of the two driving shafts are connected with the blades.
7. The fire damper for a ventilation system associated with a combustion engine as claimed in claim 1, wherein: and one end of the driven shaft is connected with the link mechanism, and the other end of the driven shaft is connected with the blade.
8. The fire damper for a ventilation system associated with a combustion engine as claimed in claim 1, wherein: and one end of the driven shaft II is connected with the fire-proof valve framework through a bearing seat, and the other end of the driven shaft II is connected with the blade.
9. The fire damper for a ventilation system associated with a combustion engine as claimed in claim 1, wherein: the blade is by mould one shot casting shaping, and the material is aluminium, and is hollow structure, and the blade molding is the arc, and two blades adopt the overlap joint for sealed effect is better.
10. The fire damper for a ventilation system associated with a combustion engine as claimed in claim 1, wherein: the connecting rod mechanism connecting piece is connected with the guide rod through a pin, and the pin is fixed through a locking nut.
11. The fire damper for a ventilation system complete with a combustion engine as claimed in any one of claims 6 to 8, wherein the driving shaft and the driven shaft are made of 304 stainless steel and have embossments on the surface to prevent the sliding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920303013.4U CN210920274U (en) | 2019-03-11 | 2019-03-11 | Fire-proof valve for ventilation system matched with combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920303013.4U CN210920274U (en) | 2019-03-11 | 2019-03-11 | Fire-proof valve for ventilation system matched with combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210920274U true CN210920274U (en) | 2020-07-03 |
Family
ID=71363376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920303013.4U Active CN210920274U (en) | 2019-03-11 | 2019-03-11 | Fire-proof valve for ventilation system matched with combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210920274U (en) |
-
2019
- 2019-03-11 CN CN201920303013.4U patent/CN210920274U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201204 room 134, block C, No. 333, Huanhu West 1st Road, Nanhui new town, Pudong New Area, Shanghai Patentee after: Chenglin Technology (Shanghai) Co.,Ltd. Address before: 201204 room 134, block C, No. 333, Huanhu West 1st Road, Nanhui new town, Pudong New Area, Shanghai Patentee before: CHENGLIN ENVIRONMENTAL PROTECTION TECHNOLOGY (SHANGHAI) CO.,LTD. |