CN208081677U - A kind of Novel fireproof throttle setting - Google Patents
A kind of Novel fireproof throttle setting Download PDFInfo
- Publication number
- CN208081677U CN208081677U CN201820212693.4U CN201820212693U CN208081677U CN 208081677 U CN208081677 U CN 208081677U CN 201820212693 U CN201820212693 U CN 201820212693U CN 208081677 U CN208081677 U CN 208081677U
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- insulation cover
- blade
- framework
- fire damper
- executing agency
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Abstract
The utility model discloses a kind of Novel fireproof throttle settings, including：Fire damper ontology and insulation cover；Insulation cover is set to the outside of fire damper ontology；Fire damper ontology includes the framework to form gas channel, at least one first blade and air impeller；The rotation of first blade is set in framework, and air impeller activates the rotation of the first blade to realize the closing or conducting of gas channel；Air impeller includes that the executing agency being connected with each other and gas supply mechanism, executing agency connect with the first blade；Executing agency is contained in insulation cover.The utility model is by being arranged the not heatproof component of fire damper in incubator, so that heatproof component is not in adiabatci condition, it is set to be not in hood higher temperatures environment, to effectively extend the service life of not heatproof component, and then the service life of fire damper is extended, so as to avoid because of adverse consequences that heatproof component does not cause by high temperature ageing.
Description
Technical field
The utility model is related to energy technology field, espespecially a kind of Novel fireproof throttle setting.
Background technology
In energy technology field, the especially device of generation high-temperature flue gas, for the ease of in device
The diverging of hot-air maintains device inner and outer air pressure constant, fire damper is often arranged on the device or apparatus so that
When device is in safe handling state, fire damper plays the role of constant air pressure and heat dissipation, but works as device
When fire occurs, then fire damper needs to close in time so that fall fire or fire extinguishing due to anoxic in device, to damage
Mistake minimizes.
But existing fire damper is suitable only for generating the device of room temperature flue gas or low-temperature flue gas, and is not suitable for
The device of high-temperature flue gas is generated, such as gas turbine is expanded using high-temperature fuel gas or the equipment of its heat and production capacity, gas
Body often will produce high-temperature flue gas (generally all in 500 degrees centigrades) in combustion, these high-temperature flue gas in equipment or
When device circulates, heat is often transferred to the internal environment of equipment, often leads to device and is in hot environment
(100~150 DEG C or so) often cause the parts of some not heatproofs on the fire damper being arranged on hood in this way
(such as executing agency, intelligence instrument, terminal box temperature-resistant marking be up to 90 DEG C) damage, or even bad phenomenons such as fall off,
The service life for seriously affecting fire damper increases the maintenance cost of device；Moreover, due to fire damper meeting
It is arranged in the inside of hood, staff can not intuitively check its working condition, therefore, fire damper can be caused to exist when serious
Occur not closing in time when fire and cause the consequence that can not be saved.
Therefore, the application provides a kind of novel fire damper device for being suitable for working under hot environment.
Invention content
The purpose of this utility model is to provide a kind of Novel fireproof throttle setting, by by the not heatproof component of fire damper
It is arranged in incubator, so that heatproof component is not in adiabatci condition, it is made to be not in hood higher temperatures environment, from
And the service life of not heatproof component is effectively extended, and then the service life of fire damper is extended, so as to avoid because not
The adverse consequences that heatproof component causes by high temperature ageing (as fire prevention is lost not in time and caused by fire).
The technical scheme that the utility model is provided is as follows：
A kind of Novel fireproof throttle setting, including：
Fire damper ontology and insulation cover；The insulation cover is set to the outside of the fire damper ontology；
The fire damper ontology includes the framework to form gas channel, at least one first blade and pneumatic actuation
Device；
The first blade rotation is set in the framework, and the air impeller activates the first blade rotation with reality
The closing or conducting of the existing gas channel；
The air impeller includes the executing agency being connected with each other and gas supply mechanism, the executing agency and described first
Blade connects；
The executing agency is contained in the insulation cover.
In the technical program, by being arranged the not heatproof component of fire damper in incubator, so that not heatproof
Component is in adiabatci condition, it is made to be not in hood higher temperatures environment, to effectively extend the use of not heatproof component
Service life, and then extend the service life of fire damper, so as to avoid causing not because of high temperature ageing because of not heatproof component
Good consequence (as fire prevention is lost not in time and caused by fire).
It is further preferred that the executing agency includes pneumatic structure and link mechanism；The pneumatic structure and the confession
Mechanism of qi structure connects；The link mechanism includes the connecting rod being connect with the pneumatic mechanism, and with first blade quantity one
One connecting plate being correspondingly arranged；The two neighboring connecting plate is hinged, and the connecting rod and connecting plate described in one of them are affixed.
In the technical program, the rotary state (i.e. corner) of all first blades is realized by the hinged connecting plate of head and the tail
Control, to realize fire damper closing and conducting promptness, reduce the response time of fire damper so that actually answer
In, the promptness for being more easily implemented and responding that fire damper is closed when fire occurs.
It is further preferred that the equal axis of the first blade is connected to the framework.
In the technical program, in order to simplify the structure of fire damper, the first blade can directly axis connect the madial wall with framework
Place.
It is further preferred that the both ends of each first blade are set to the framework, the axis by axis fitting
Fitting includes the interconnecting piece that axis is connected to the shaft of the framework and is clamped with first blade；Close to the insulation cover one
The shaft of side setting extends into the insulation cover, and affixed with the connecting plate.
In the technical program, the first blade is connected to by shaft axis in framework, and is extended close to the shaft of insulation cover side
In insulation cover, to realize that it is affixed with the connecting plate for setting of being corresponding to it, so that when link rotatable, connecting plate is driven to turn
It is dynamic, and then shaft rotation is driven, and shaft drives the rotation of the first blade.
It is further preferred that the fire damper ontology further includes terminal box and for monitoring executing agency's working condition
Intelligence instrument；The intelligence instrument is connect with the executing agency；The intelligence instrument and the terminal box are contained in the guarantor
In temperature cover.
In the technical program, the intelligence instrument for monitoring executing agency's operating status is generally plastics and is made, in height
It is easy to aging in warm environment, therefore, it can be disposed in insulation cover and carry out insulated heat, to extend its service life.
It is further preferred that the position that the insulation cover corresponds to the intelligence instrument is equipped with the thermal insulating door thermally insulated door that can be opened and closed.
In the technical program, the working condition of executing agency is observed for the ease of user, it can be by being arranged in insulation cover
On thermal insulating door thermally insulated door checked, and then realize monitoring to executing agency；And when executing agency can not the first blade of normal switching-off
When, staff can also carry out manual emergency closing processing by the first blade of thermal insulating door thermally insulated door pair, to effectively reduce fire
Loss afterwards.
It is further preferred that the insulation cover is the semi-closed structure with opening, open end is outer with the framework
Side wall connects so that the inside of the insulation cover forms enclosure space；Or, the insulation cover is hollow enclosed construction.
In the technical program, insulation cover can be that the semi-closed structure with opening is alternatively full-closed structure, can basis
Specific heat-proof quality selects.
It is further preferred that the framework includes sequentially connected four frame sides；The frame side is U-shaped structure, including shape
At the first plate of the gas channel, and the second plate and third plate of the first plate connection respectively；Second plate and institute
The extension direction for stating third plate is vertical with airflow direction, and is equipped with mounting hole on second plate and the third plate.
In the technical program, this fire damper device can be realized by mounting hole and generate the device of high-temperature flue gas
Be detachably connected, the installation and removal convenient for this fire damper device and the operations such as subsequent maintenance, repair, replacement.
It is further preferred that the insulation cover is equipped with provides the air inlet pipeline that mechanism is connect with Cryogenic air；And the guarantor
It is additionally provided with outlet pipe on temperature cover.
In the technical program, in order to ensure the stability of the adiabatic temperature in insulation cover, mechanism is provided by Cryogenic air
Into insulation cover provide low temperature air, and be discharged with insulation cover in exchanged heat after gas, to ensure non-refractory ring
The component in border always be in low temperature environment in, to extend non-refractory component service life.
It is further preferred that the insulation cover and the framework detachable connection；And/or the fire damper ontology
Further include at least one second blade, second blade is fixedly arranged in the framework, and the surface of second blade is vertical
In airflow direction.
In the technical program, maintenance, dimension for the ease of user during use to the not heatproof component in insulation cover
The operations such as repair or replace, insulation cover preferably with framework detachable connection.
In the technical program, this fire damper device can also select the air-flow of fire damper gas channel according to actual needs
The size of flux, you can the air-flow flux of this fire damper is also reduced by the second blade being installed in framework.
A kind of Novel fireproof throttle setting provided by the utility model can bring following at least one advantageous effect：
1, in the utility model, by the way that the not heatproof component (executing agency, intelligence instrument, terminal box) of fire damper is set
It sets in incubator, so that heatproof component is not in adiabatci condition, it is made to be not in hood higher temperatures environment, to
Effectively extend the service life of not heatproof component, and then extend the service life of fire damper, so as to avoid because intolerant to
The adverse consequences that warm component causes by high temperature ageing (as fire prevention is lost not in time and caused by fire).
2, in the utility model, the rotary state (i.e. corner) of all first blades is realized by the hinged connecting plate of head and the tail
Control, to realize fire damper closing and conducting promptness, reduce the response time of fire damper so that practical
In, the promptness for being more easily implemented and responding that fire damper is closed when fire occurs.
3, in the utility model, in order to ensure the stability of the adiabatic temperature in insulation cover, machine is provided by Cryogenic air
Structure provides the air of low temperature into insulation cover, and be discharged with exchanged heat in insulation cover after gas, to ensure non-refractory
The component of environment always be in low temperature environment in, to extend non-refractory component service life.
Description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, to Novel fireproof throttle setting
Above-mentioned characteristic, technical characteristic, advantage and its realization method are further described.
Fig. 1 is a kind of example structure schematic diagram of the utility model；
Fig. 2 is the right view structural schematic diagram of Fig. 1；
Fig. 3 is a kind of example structure schematic diagram of the insulation cover of the utility model；
4-1 in Fig. 4 is the main view schematic diagram of Fig. 3；
4-2 in Fig. 4 is the left view figure structure schematic representation of Fig. 3.
Drawing reference numeral explanation：
1. fire damper ontology, 11. frameworks, 111. second plates, 112. third plates, 113. mounting holes, 12. first blades,
13. axis fitting, 131. interconnecting pieces, 132. shafts, 133. hand levers, 141. gas supply mechanisms, 1421. pneumatic structures, 1422. connecting rods
Structure, 14221. connecting plates, 15. second blades, 2. insulation covers, 21. thermal insulating door thermally insulated doors, 211. handles, 22. openings, 31. air inlet pipe
Road, 32. outlet pipes.
Specific implementation mode
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that the accompanying drawings in the following description is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings, and obtains other embodiments.
To make simplified form, in each figure only schematically show with the relevant part of the utility model, they are simultaneously
Its practical structures as product is not represented.In addition, so that simplified form is easy to understand, have in some figures identical structure or
The component of function, only symbolically depicts one of those, or has only marked one of those.Herein, "one" is not
It only indicates " only this ", can also indicate the situation of " more than one ".Herein, it should be noted that unless otherwise bright
True regulation and restriction, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, also may be used
To be to be detachably connected, or be integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, also may be used
Indirectly connected through an intermediary, can be the connection inside two elements.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
In embodiment one, as shown in Figs 1-4, a kind of Novel fireproof throttle setting, including：Fire damper ontology 1 and guarantor
Temperature cover 2；Insulation cover 2 is set to the outside of fire damper ontology 1；Fire damper ontology 1 includes the framework 11 for forming gas channel, until
Few first blade 12 and air impeller；The rotation of first blade 12 is set in framework 11, air impeller actuating first
Blade 12 is rotated to realize the closing or conducting of gas channel；Air impeller includes the executing agency being connected with each other and air feeder
Structure 141, executing agency connect with the first blade 12；Executing agency is contained in insulation cover 2.In practical applications, when this fire prevention
Air door is applied in hot environment, since the not heatproof component of fire damper is arranged in incubator, so that not heatproof portion
Part is in adiabatci condition, it is made to be not in hood higher temperatures environment, to effectively extend the use longevity of not heatproof component
Life, and then extends the service life of fire damper, so as to avoid because not heatproof component cause because of high temperature ageing it is bad
Consequence (as fire prevention is lost not in time and caused by fire).
In embodiment two, as shown in Figs 1-4, on the basis of embodiment one, framework 11 includes sequentially connected four
Frame side；Frame side is U-shaped structure, includes forming the first plate of gas channel, and the second plate 111 and the of the first plate connection respectively
Three plates 112；The extension direction of second plate 111 and the third plate 112 is vertical with airflow direction and is arranged far from gas channel, and
It is equipped with mounting hole 113 on second plate 111 and third plate 112.In practical applications, pass through mounting hole 113 using connector
This fire damper is removably mounted on the device (such as gas turbine) for generating high-temperature flue gas, this fire prevention is convenient for
The operations such as installation, dismounting, maintenance, repair and the replacement of valve.Preferably, the end direction of the second plate 111 and third plate 112
Gas channel side is additionally provided with extension side (not indicated in figure).
In embodiment three, as shown in Figs 1-4, on the basis of embodiment one or two, fire damper ontology 1 further include to
Few second blade 15, the second blade 15 is fixedly arranged in framework 11, and the surface of the second blade 15 is perpendicular to airflow direction.By
Can be different in the capacity of different equipment, therefore the fire damper that can select air-flow flux different as needed, it is worth pointing out
, when fire damper is closed, then the first blade 12 and the second blade 15 are in the same plane, to realize
The closing of gas channel；Certainly, when the first blade 12 and the second blade 15 are not at same plane, then illustrate at gas channel
In conducting state；And the air-flow flux of gas channel is associated with the corner of the first blade 12；For the ease of monitoring gas channel
Air-flow flux, it is preferable that fire damper ontology 1 further includes terminal box and the Intelligent Instrument for monitoring executing agency's working condition
Table；Intelligence instrument is connect with executing agency；Intelligence instrument and terminal box are contained in insulation cover 2.User can pass through Intelligent Instrument
Table checks the corner (i.e. aperture) and the air-flow flux of gas channel at this time of the first blade 12, to judge the work of executing agency
Make state, it is preferable that watch the data shown on intelligence instrument for the ease of user, insulation cover 2 corresponds to the aobvious of intelligence instrument
The position of display screen is equipped with the thermal insulating door thermally insulated door 21 that can be opened and closed, it is preferable that thermal insulating door thermally insulated door 21 can be directly removable by connector and insulation cover 2
Unload formula connection；Or the side of thermal insulating door thermally insulated door 21 is hinged with insulation cover 2, and its other end is then rotatably opened；Preferably, for the ease of
The opening of thermal insulating door thermally insulated door 21, outer surface of the thermal insulating door thermally insulated door 21 far from its chamber side are equipped with handle 211.
In example IV, as shown in Figs 1-4, on the basis of embodiment one, two or three, executing agency includes pneumatic knot
Structure 1421 and link mechanism 1422；Pneumatic structure 1421 is connect with gas supply mechanism 141；Link mechanism 1422 includes and pneumatic mechanism
The connecting rod of connection, and the connecting plate 14221 that is arranged in a one-to-one correspondence with 12 quantity of the first blade；Two neighboring connecting plate 14221
It is hinged, and connecting rod and one of connecting plate 14221 are affixed.Preferably, 12 equal axis of the first blade is connected to framework 11.It is further excellent
The both ends of selection of land, each the first blade 12 are set to framework 11 by axis fitting 13, and axis fitting 13 is connected to framework 11 including axis
Shaft 132 and with the first blade 12 clamping interconnecting piece 131, interconnecting piece 131 close to 12 side of the first blade be equipped with card set
The groove of first blade 12, the side wall of groove is sequentially passed through by connector and the first blade 12 for being placed in groove to
Realize the fixation of the first blade 12；Shaft 132 close to the setting of 2 side of insulation cover extends into insulation cover 2, and and connecting plate
14221 is affixed.It is worth noting that in order to ensure the air-tightness of gas channel, the shaft 132 being arranged far from insulation cover 2 is preferred
It is not passed through the frame side of framework 11, i.e. shaft 132 and the madial wall axis on frame side connects.Since executing agency is arranged at insulation cover
In 2, therefore, the shaft 132 close to 2 side of insulation cover needs through the frame side of framework 11 and extends into the inside sky of insulation cover 2
Between and realize it is affixed with the connecting plate 14221 for setting of being corresponding to it, connecting rod and one of connecting plate 14221 are affixed, due to company
Head and the tail are hinged each other for fishplate bar 14221, to which when needing that gas channel is connected, 1421 drive link of pneumatic structure turns clockwise
When dynamic, then connecting rod drives connecting plate 14221 to rotate clockwise, and then shaft 132 is driven to rotate clockwise, the driving of shaft 132 the
One blade 12 rotates clockwise, to realize the conducting of gas channel, and the corner of the first blade 12 or aperture (i.e. connecting rod
Corner or aperture) it can be shown by intelligence instrument；When needing to close gas channel, 1421 drive link of pneumatic structure is inverse
Hour hands rotation resets, then connecting rod drives connecting plate 14221 to rotate counterclockwise, and then shaft 132 is driven to rotate counterclockwise, shaft
132 the first blades 12 of driving rotate counterclockwise so that (i.e. the first blade 12 and the second blade 15 are in same to the reset of the first blade 12
One plane), to realize the closing of gas channel.It is worth noting that for convenience of description, the clockwise and inverse time here
Needle refers to two mutually opposite directions, it is not limited to this.Preferably, one of shaft 132 can be integrally formed with connecting rod,
And connecting rod is located therein the centre position of a connecting plate 14221, it is further preferred that wherein one close to 2 side of insulation cover
A shaft (removing and the integrally formed shaft of connecting rod) is connected with a hand lever 133 so that staff can pass through hand lever 133
Actuating axostylus axostyle rotates and realizes the rotation of the first all blades 12, and then realizes the conducting and closing of gas channel.Preferably,
The angle range of first blade 12 is 0~90 °, when the corner of the first blade 12 is 0 °, the first blade 12 and the second leaf at this time
Piece 15 is in same plane, i.e. gas channel is in closed state, at this point, the air-flow flux of gas channel is zero；When the first leaf
When the corner of piece 12 is 90 °, the angle of the first blade 12 and the second blade 15 is 90 ° at this time, at this point, the air-flow of gas channel is logical
Amount is maximum.
In embodiment five, as shown in Figs 1-4, on the basis of embodiment one, two, three or four, protect insulation cover 2 be equipped with
Cryogenic air provides the air inlet pipeline 31 of mechanism connection；And outlet pipe 32 is additionally provided on insulation cover.Cryogenic air provides mechanism
Cryogenic air is continuously provided into insulation cover 2 by air inlet pipeline 31, and by outlet pipe 32 in insulation cover 2
High temperature air discharge after heat exchange, stability and low temperature environment to ensure that the temperature in insulation cover 2 (are less than not heatproof
The temperature of the temperature-resistant marking of component), when such as the temperature-resistant marking of not heatproof component being 90 °, then passes through and Cryogenic air is set machine is provided
The air demand of structure and the capacity of outlet pipe 32 ensure that the temperature in insulation cover 2 is 70 °.Cryogenic air provides mechanism and provides
Cryogenic air can be normal temperature air, i.e., the air except equipment is sent by vacuum pump or vacuum compressor etc. to insulation cover 2
It is interior, or less than the air of the temperature in insulation cover 2.And air is alternatively other gases, such as nitrogen.Preferably, it protects
It is equipped with temperature sensor in temperature cover 2, when the temperature value detected by the temperature sensor is greater than the set value, temperature sensor is controllable
Cryogenic air processed provides mechanism and improves air demand, to ensure the stability and constancy of the low temperature environment in insulation cover 2, in turn
Realize the intelligence and automation of the low temperature environment monitoring in insulation cover 2.Preferably, insulation cover 2 is to be open towards framework 11 1
Side setting it is semienclosed have opening 22 semi-closed structure or be closed cavity body structure；When opening 22 and framework 11
Lateral wall is tightly connected, it is further preferred that insulation cover 2 and 11 detachable connection of framework.In practical applications, outlet pipe
32 can be directly communicated to the gas in insulation cover 2 external environment (such as in hood) of insulation cover 2, to further decrease this anti-windburn
The temperature environment when work of door；Also it can be exhausted directly in atmospheric environment.And the material of insulation cover 2 and thermal insulating door thermally insulated door 21 is preferably resistance to
The thermal insulation material of temperature, such as asbestos board, rock cotton board, polyurethane, ceramic fibre, expanded vermiculite composition；Or inside and outside spray
The cavity body structure for having or being laid with insulating layer is constituted, and is not just repeated one by one here.
It should be noted that the high/low temperature of above-described embodiment is in contrast, above-described embodiment can as needed free group
It closes.The above is only the preferred embodiment of the utility model, it is noted that for those skilled in the art
For, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of Novel fireproof throttle setting, which is characterized in that including：
Fire damper ontology and insulation cover；The insulation cover is set to the outside of the fire damper ontology；
The fire damper ontology includes the framework to form gas channel, at least one first blade and air impeller；
The first blade rotation is set in the framework, and the air impeller activates the first blade rotation to realize
State the closing or conducting of gas channel；
The air impeller includes executing agency and the gas supply mechanism of interconnection, the executing agency and first blade
Connection；
The executing agency is contained in the insulation cover.
2. Novel fireproof throttle setting according to claim 1, it is characterised in that：
The executing agency includes pneumatic structure and link mechanism；
The pneumatic structure is connect with the gas supply mechanism；
The link mechanism includes the connecting rod being connect with the pneumatic structure, and is set with first blade quantity one-to-one correspondence
The connecting plate set；The two neighboring connecting plate is hinged, and the connecting rod and connecting plate described in one of them are affixed.
3. Novel fireproof throttle setting according to claim 2, it is characterised in that：
The equal axis of first blade is connected to the framework.
4. Novel fireproof throttle setting according to claim 3, it is characterised in that：
The both ends of each first blade are set to the framework by axis fitting, and the axis fitting includes described in axis is connected to
The shaft of framework and the interconnecting piece being clamped with first blade；
The shaft close to insulation cover side setting extends into the insulation cover, and affixed with the connecting plate.
5. Novel fireproof throttle setting according to claim 1, it is characterised in that：
The fire damper ontology further includes terminal box and the intelligence instrument for monitoring executing agency's working condition；
The intelligence instrument is connect with the executing agency；
The intelligence instrument and the terminal box are contained in the insulation cover.
6. Novel fireproof throttle setting according to claim 5, it is characterised in that：
The position that the insulation cover corresponds to the intelligence instrument is equipped with the thermal insulating door thermally insulated door that can be opened and closed.
7. Novel fireproof throttle setting according to claim 1, it is characterised in that：
The insulation cover is the semi-closed structure with opening, and open end is connect with the lateral wall of the framework so that described
The inside of insulation cover forms enclosure space；
Or,
The insulation cover is hollow enclosed construction.
8. Novel fireproof throttle setting according to claim 1, it is characterised in that：
The framework includes sequentially connected four frame sides；
The frame side is U-shaped structure, includes forming the first plate of the gas channel, and the of the first plate connection respectively
Two plates and third plate；
The extension direction of second plate and the third plate is vertical with airflow direction, and on second plate and the third plate
It is equipped with mounting hole.
9. Novel fireproof throttle setting according to any one of claims 1 to 8, it is characterised in that：
The insulation cover is equipped with provides the air inlet pipeline that mechanism is connect with Cryogenic air；And it is additionally provided with escape pipe on the insulation cover
Road.
10. Novel fireproof throttle setting according to any one of claims 1 to 8, it is characterised in that：
The insulation cover and the framework detachable connection；
And/or
The fire damper ontology further includes at least one second blade, and second blade is fixedly arranged in the framework, and institute
The surface of the second blade is stated perpendicular to airflow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820212693.4U CN208081677U (en) | 2018-02-07 | 2018-02-07 | A kind of Novel fireproof throttle setting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820212693.4U CN208081677U (en) | 2018-02-07 | 2018-02-07 | A kind of Novel fireproof throttle setting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208081677U true CN208081677U (en) | 2018-11-13 |
Family
ID=64063756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820212693.4U Expired - Fee Related CN208081677U (en) | 2018-02-07 | 2018-02-07 | A kind of Novel fireproof throttle setting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208081677U (en) |
-
2018
- 2018-02-07 CN CN201820212693.4U patent/CN208081677U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20200207 |