CN209762364U - Electric fire-proof valve with elastic sheet sealing function - Google Patents
Electric fire-proof valve with elastic sheet sealing function Download PDFInfo
- Publication number
- CN209762364U CN209762364U CN201821880316.4U CN201821880316U CN209762364U CN 209762364 U CN209762364 U CN 209762364U CN 201821880316 U CN201821880316 U CN 201821880316U CN 209762364 U CN209762364 U CN 209762364U
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- fire damper
- fire
- motor
- main frame
- ventilation opening
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Abstract
The utility model discloses an electric fire damper with a spring plate sealing function, which comprises a fire damper main frame (1), wherein a vent (10) is arranged in the fire damper main frame (1); a fire-proof blade (2) which is vertically distributed and can rotate is arranged in the ventilation opening (10); a motor protection cover (4) is fixedly arranged on the top surface of the fire damper main frame (1), and a motor is fixedly arranged in the motor protection cover (4); the output shaft of the motor is connected with the fireproof blade (2); the upper side surface and the lower side surface of the ventilation opening (10) are respectively and fixedly provided with a spring plate (5) which is transversely distributed and protrudes towards the inner side direction of the ventilation opening (10). The utility model discloses an electronic fire prevention valve with shell fragment sealing function, it has good sealing performance, can break off the air flow in the pipeline effectively when the conflagration takes place, prevents that the conflagration continues to stretch, has fine fire prevention effect.
Description
Technical Field
the utility model relates to a fire-fighting equipment technical field especially relates to an electronic fire prevention valve with shell fragment seals function.
background
at present, fire dampers are applied to the pipes of ventilation, air conditioning or smoke exhaust systems, which are important components in fire fighting equipment, and are also diversified in product form. The most basic starting point is to prevent the spread of fire, and the personal safety and the property safety are reduced to the minimum.
However, most of the existing fire-proof valves have no improvement and innovation in the aspects of basic working principle and mechanism, although the fire-proof valves can bring certain help for preventing the fire from spreading, because the fire-proof valves are not closed strictly, gaps always remain and an ideal sealing state is not achieved, the fire-proof valves cannot completely cut off the flow of air, cannot completely block the control on the fire, have poor fire-proof effect and still have great potential safety hazard,
therefore, there is an urgent need to develop a fire damper, which has good sealing performance, can effectively cut off the air flow in the pipeline when a fire occurs, prevents the fire from spreading, and has good fire protection effect.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an electronic fire prevention valve with shell fragment sealing function, it has good sealing performance, can break off the air flow in the pipeline effectively when the conflagration takes place, prevents the conflagration to continue to stretch, has fine fire prevention effect, can show the use impression of reinforcing user to the fire prevention valve product, is favorable to using widely, has great production practice meaning.
Therefore, the utility model provides an electric fire damper with a spring plate sealing function, which comprises a fire damper main frame, wherein a vent is arranged in the fire damper main frame;
A fire-proof blade which is vertically distributed and can rotate is arranged in the ventilation opening;
a motor protection cover is fixedly arranged on the top surface of the fire damper main frame, and a motor is fixedly arranged in the motor protection cover;
The output shaft of the motor is connected with the fireproof blades;
And the upper side surface and the lower side surface of the ventilation opening are respectively and fixedly provided with a spring plate which is transversely distributed and protrudes towards the inner side direction of the ventilation opening.
The left side surface and the right side surface of the ventilation opening are respectively and fixedly provided with a spring sheet which is longitudinally distributed and protrudes towards the inner side direction of the ventilation opening.
The elastic sheet is made of stainless steel, and the longitudinal section of the elastic sheet is arc-shaped.
The transverse middle position of the fireproof blade is vertically connected with a rotating shaft in a penetrating manner;
and the top of the rotating shaft of the fireproof blade penetrates through the top of the fireproof valve main frame and is connected with an output shaft at the bottom of the motor through a coupler.
the left side and the right side of the interior of the fire damper main frame are respectively provided with a left inclined plate and a right inclined plate;
the transverse gap between the left inclined plate and the right inclined plate is the ventilation opening.
The left inclined plate and the right inclined plate are parallel to each other and have the same shape and size;
The included angle between the projection of the left inclined plate and the right inclined plate on the horizontal plane and the horizontal transverse line is an acute angle.
the front end part of the right side of the left inclined plate and the rear end part of the left side of the right inclined plate are positioned on the same straight line and are arranged right correspondingly to the longitudinal middle positions of the elastic sheets on the upper side surface and the lower side surface of the ventilation opening.
The fire damper main frame and the fire-proof blades are made of steel plates.
Wherein, a temperature sensor is also arranged in the main frame of the fire damper;
And the temperature sensor is used for detecting the air temperature at the position in real time, and if the air temperature is greater than a preset temperature upper limit value, a closing control signal is output to the motor to trigger the motor to rotate clockwise to close the air vent.
wherein, a smoke sensor is also arranged in the main frame of the fire damper;
the smoke sensor is used for detecting the smoke concentration in the air at the position in real time, if the smoke concentration is larger than a preset concentration upper limit value, a closing control signal is output to the motor, the motor is triggered to rotate clockwise, and the ventilation opening is closed.
Wherein, the front side and the rear side of the main frame of the fire damper are respectively and fixedly provided with a filter screen;
A gap is also formed between the filter screen and the outermost side edge of the fireproof blade with the largest opening;
the filter screen is a cotton net or a fiber net with a plurality of vent holes uniformly distributed.
by above the technical scheme the utility model provides a it is visible, compare with prior art, the utility model provides an electronic fire prevention valve with shell fragment sealing function, it has good sealing performance, can break off the air flow in the pipeline effectively when the conflagration takes place, prevents that the conflagration from continuing to stretch, has fine fireproof effect, can show the use impression of reinforcing user to the fire prevention valve product, is favorable to using widely, has great production practice meaning.
Drawings
Fig. 1 is a schematic view of an appearance structure of an electric fire damper with a spring sealing function provided by the present invention;
Fig. 2 is a front view of the elastic pieces respectively installed on the upper side, the lower side, the left side and the right side of the ventilation opening of the electric fire damper with the elastic piece sealing function provided by the utility model;
Fig. 3 is a side view of the elastic pieces respectively installed on the upper side, the lower side or the left side and the right side of the ventilation opening of the electric fire damper with the elastic piece sealing function provided by the utility model;
fig. 4 is a schematic structural view of a filter screen respectively installed on the front side and the rear side of the electric fire damper with the function of sealing the elastic pieces provided by the present invention;
Fig. 5 is a schematic view of an appearance structure of the electric fire damper with a spring plate sealing function provided by the present invention with an adjusting handle;
in the figure: 1 is the fire prevention valve main frame, 10 is the vent, 2 is the fire prevention blade, 31 is left swash plate, 32 is right swash plate, 4 is adjustment handle, 5 is the shell fragment, 6 is the filter screen, 7 is adjustment handle, 8 is temperature sensor.
Detailed Description
In order to make the technical field of the present invention better understand, the present invention is further described in detail with reference to the accompanying drawings and embodiments.
referring to fig. 1 to 5, the present invention provides an electric fire damper with a spring sealing function, which is an important consumer device, and is applied to a pipeline of a ventilation, air conditioning or smoke exhaust system, and specifically comprises a hollow fire damper main frame 1, wherein a ventilation opening 10 is formed in the fire damper main frame 1;
A fire-proof blade 2 which is vertically distributed and can rotate is arranged in the ventilation opening 10;
A motor protection cover 4 is fixedly arranged on the top surface of the fire damper main frame 1, and a motor is fixedly arranged in the motor protection cover 4;
the output shaft of the motor is connected with the fire prevention vane 2 for controlling the fire prevention vane 22 to rotate (for example, clockwise or counterclockwise);
In view of the fact that the fire protection vanes 2 are usually made of hard metal (such as steel plates), after being closed, small gaps are easily formed between the fire protection vanes and the upper and lower side faces and the left and right side faces of the ventilation opening 10 of the fire protection valve main frame 1, and in order to ensure the sealing effect, the upper and lower side faces of the ventilation opening 10 are respectively and fixedly provided with the elastic sheets 5 which are transversely distributed and protrude towards the inner side of the ventilation opening 10;
The utility model discloses in, specifically realize, shell fragment 5 is the shell fragment that the stainless steel was made, the longitudinal section shape of shell fragment 5 is the arc.
Besides, the left and right sides of the ventilation opening 10 are respectively fixedly provided with a spring plate 5 which is longitudinally distributed and protrudes towards the inner side of the ventilation opening 10. Therefore, when the fire prevention blade 2 rotates clockwise, because the shell fragment 5 receives the extrusion, is formed with the elasticity to the inboard direction of vent 10, when a plurality of fire prevention blades 2 rotate clockwise to the complete closure state, at this time, the shell fragment 5 can fill up the gap between the vent 10 side of fire prevention blade 2 and fire prevention valve main frame 1 completely under the elastic force of return.
In the utility model, in the concrete implementation, a rotation shaft is vertically connected to the transverse middle position of the fireproof blade 2 in a penetrating manner;
and the top of the rotating shaft of the fireproof vane 2 penetrates through the top of the fireproof valve main frame 1 and then is connected with an output shaft at the bottom of the motor through a coupler.
in a specific implementation, the motor is preferably a stepping motor. The programmable logic controller PLC can send a direction signal (controlling the rotating direction of the stepping motor) to the programmable logic controller PLC, and control the output shaft of the programmable logic controller PLC to rotate clockwise or anticlockwise.
In the utility model, in order to automatically move the generator to work and automatically close the ventilation opening of the fire damper, a temperature sensor 8 is also arranged in the fire damper main frame 1;
And the temperature sensor is used for detecting the temperature of the air at the position in real time, and if the temperature is greater than a preset temperature upper limit value (for example, 70 ℃), outputting a closing control signal to the motor, triggering the motor to rotate clockwise, and closing the air vent.
In particular, a smoke sensor is also arranged in the fire damper main frame 1;
the smoke sensor is used for detecting the smoke concentration in the air at the position in real time, if the smoke concentration is larger than a preset concentration upper limit value, a closing control signal is output to the motor, the motor is triggered to rotate clockwise, and the ventilation opening is closed.
in the utility model, in order to manually reset the motor after closing the vent and manually close the vent according to the needs of users, an adjusting handle 7 is arranged on the top of the motor protecting cover 4;
The adjusting handle 7 is connected with the top of the rotating shaft of the fireproof vane 2 in a linkage manner.
The specific linkage connecting structure can be various, for example, the outer wall of the top of the rotating shaft of the fireproof vane 2 can be sleeved with a first gear which is horizontally distributed; the bottom of the adjusting handle 7 can be connected with a control shaft which is vertically distributed;
The control shaft is positioned inside the motor protective cover 4;
The outer wall of the control shaft is sleeved with second gears which are horizontally distributed at the positions corresponding to the first gears;
the first gear and the second gear are positioned on the same horizontal plane and are meshed with each other.
in the utility model, in particular, the left and right sides inside the fire damper main frame 1 are respectively provided with a left inclined plate 31 and a right inclined plate 32;
The lateral gap between the left sloping plate 31 and the right sloping plate 32 is the vent 10.
In a specific implementation, the left inclined plate 31 and the right inclined plate 32 are parallel to each other and have the same shape and size.
In a specific implementation, the front end portion of the right side of the left sloping plate 31 and the rear end portion of the left side of the right sloping plate 32 are located on the same straight line, and are arranged in a positive correspondence with the longitudinal middle positions of the elastic pieces 5 on the upper and lower side surfaces of the vent 10 (i.e. located on the axial central line of the elastic pieces 5).
when the fireproof blade 2 is closed, the surface of the fireproof blade 2 is in seamless connection with the surfaces of the left inclined plate 31 and the right inclined plate 32, so that the impact force formed by air flow with high wind speed can be effectively blocked, and the sealing effect of the fireproof blade is ensured.
in a specific implementation manner, an included angle between a projection of the left inclined plate 31 and the right inclined plate 32 on a horizontal plane and a horizontal transverse line is an acute angle.
The utility model discloses in, on specifically realizing, when fire prevention blade 2 was closed, its shape, size with the shape, the corresponding matching of size of the vent that fire prevention valve main frame 1 had to can form sealedly to the vent, the disconnection air flows.
in the present invention, in particular, as shown in fig. 4, in view of the air circulating in the ventilation duct, dust particles are easy to be present, if the fire damper is used for a long time, the dust is easy to be accumulated inside the fire damper, for example, at the position of the ventilation opening 10, so that the fire-proof blades 2 are not easy to rotate or even cannot rotate, and the fire-proof function is partially or even completely disabled, therefore, in the present invention, a filter screen 6 is further respectively fixedly disposed on the front side and the rear side of the main frame 1 of the fire damper;
And a gap is formed between the filter screen 6 and the outermost edge of the fireproof blade 2 with the maximum opening degree, so that the normal rotation of the fireproof blade 2 is not hindered.
In a specific implementation, the filter screen 6 is a cotton net or a fiber net with small ventilation holes. Therefore, the fireproof valve can adsorb particles such as dust in the air flow, protect the fireproof blades 2 on the inner side, and reduce the failure rate of the fireproof valve. Meanwhile, the cleanliness of air flowing through can be improved, and the health of people is guaranteed.
the utility model discloses in, specifically realize, fire prevention valve main frame 1 and fire prevention blade 2 are preferred to be made by adopting the steel sheet.
it should be noted that, to the utility model discloses, see that fig. 1, fig. 3 show, when needs open fire prevention blade 2, the user can anticlockwise rotate adjustment handle 4 to make fire prevention blade 2 that is connected with adjustment handle 4 anticlockwise rotate. And when needs closed fire prevention blade 2, the user can rotate adjustment handle 4 clockwise to make the fire prevention blade 2 clockwise rotation that is connected with adjustment handle 4, finally make the left and right sides of fire prevention blade 2 link up with left swash plate 31 and right swash plate 32 respectively mutually, block up the vent.
to sum up, compare with prior art, the utility model provides an electronic fire prevention valve with shell fragment sealing function, it has good sealing performance, can break off the air flow in the pipeline effectively when the conflagration takes place, prevents the conflagration to continue to stretch, has fine fire prevention effect, can show the use impression of reinforcing user to the fire prevention valve product, is favorable to using widely, has the production practice meaning of great importance.
the foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. An electric fire damper with a spring plate sealing function is characterized by comprising a fire damper main frame (1), wherein a vent (10) is formed in the fire damper main frame (1);
a fire-proof blade (2) which is vertically distributed and can rotate is arranged in the ventilation opening (10);
A motor protection cover (4) is fixedly arranged on the top surface of the fire damper main frame (1), and a motor is fixedly arranged in the motor protection cover (4);
the output shaft of the motor is connected with the fireproof blade (2);
The upper side surface and the lower side surface of the ventilation opening (10) are respectively and fixedly provided with a spring plate (5) which is transversely distributed and protrudes towards the inner side of the ventilation opening (10);
A temperature sensor (8) is also arranged in the fire damper main frame (1);
And the temperature sensor is used for detecting the air temperature at the position in real time, and if the air temperature is greater than a preset temperature upper limit value, a closing control signal is output to the motor to trigger the motor to rotate clockwise to close the air vent.
2. a fire damper according to claim 1, wherein the left and right sides of the ventilation opening (10) are respectively and fixedly provided with a spring (5) which is longitudinally distributed and protrudes towards the inner side of the ventilation opening (10).
3. A fire damper according to claim 1, characterised in that the spring (5) is made of stainless steel, the longitudinal cross-sectional shape of the spring (5) being curved.
4. a fire damper according to claim 1, characterised in that a rotation shaft is vertically connected through the fire damper blade (2) in the transverse middle position;
The top of the rotating shaft of the fireproof vane (2) penetrates through the top of the fireproof valve main frame (1) and then is connected with an output shaft at the bottom of the motor through a coupler.
5. A fire damper according to claim 1, wherein a left sloping plate (31) and a right sloping plate (32) are respectively provided on the left and right sides of the interior of the fire damper main frame (1);
The transverse gap between the left inclined plate (31) and the right inclined plate (32) is the vent (10).
6. a fire damper according to claim 5, characterised in that the left and right sloping plates (31, 32) are parallel to each other and are of the same shape and size;
The included angle between the projection of the left inclined plate (31) and the right inclined plate (32) on the horizontal plane and the horizontal transverse line is an acute angle.
7. the fire damper according to claim 5, wherein the right front end of the left sloping plate (31) and the left rear end of the right sloping plate (32) are positioned on the same straight line and are positioned right corresponding to the longitudinal middle positions of the elastic pieces (5) on the upper and lower sides of the vent (10).
8. A fire damper according to any of claims 1-7, characterised in that a smoke sensor is also arranged in the main frame (1) of the fire damper;
The smoke sensor is used for detecting the smoke concentration in the air at the position in real time, if the smoke concentration is larger than a preset concentration upper limit value, a closing control signal is output to the motor, the motor is triggered to rotate clockwise, and the ventilation opening is closed.
9. a fire damper as claimed in any one of claims 1 to 7, characterized in that a filter screen (6) is fixedly arranged on each of the front and rear sides of the main frame (1);
a gap is also formed between the filter screen (6) and the outermost side edge of the fireproof blade (2) with the largest opening;
The filter screen (6) is a cotton net or a fiber net with a plurality of small ventilation holes uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821880316.4U CN209762364U (en) | 2018-11-15 | 2018-11-15 | Electric fire-proof valve with elastic sheet sealing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821880316.4U CN209762364U (en) | 2018-11-15 | 2018-11-15 | Electric fire-proof valve with elastic sheet sealing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209762364U true CN209762364U (en) | 2019-12-10 |
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ID=68744564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821880316.4U Expired - Fee Related CN209762364U (en) | 2018-11-15 | 2018-11-15 | Electric fire-proof valve with elastic sheet sealing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209762364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915389A (en) * | 2021-10-08 | 2022-01-11 | 凯斯达科技有限公司 | Smoke-discharging fire-proof valve with automatic resetting function |
| CN116085508A (en) * | 2023-03-02 | 2023-05-09 | 江苏阿波罗空调净化设备制造有限公司 | Locking device for heat-insulating fireproof valve |
-
2018
- 2018-11-15 CN CN201821880316.4U patent/CN209762364U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915389A (en) * | 2021-10-08 | 2022-01-11 | 凯斯达科技有限公司 | Smoke-discharging fire-proof valve with automatic resetting function |
| CN116085508A (en) * | 2023-03-02 | 2023-05-09 | 江苏阿波罗空调净化设备制造有限公司 | Locking device for heat-insulating fireproof valve |
| CN116085508B (en) * | 2023-03-02 | 2023-09-22 | 江苏阿波罗空调净化设备制造有限公司 | Locking device for heat-insulating fireproof valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20201115 |