Fire acousto-optic alarm
The utility model is related to engineering fire-fighting domain, more particularly to a kind of fire acousto-optic alarm.
Fire acousto-optic alarm, can be simultaneously emitted by the small-sized report of audible alarm and flashing light alarm when occurring fire incident
Alert equipment, the place for the low visibility that is particularly suitable for use in.
A kind of spinning and weaving workshop fire-alarm as disclosed in the Chinese patent that notification number is " CN204496640U ", in view of
More cotton-wool can be produced in fabrication processes, and this cotton fiber easily produces electrostatic, and this thing in process
The small easy floating of matter density is in atmosphere；Again because the hot device small volume of fire acousto-optic and internal circuit is more more complicated,
When the cotton fiber in air is entered in fire acousto-optic alarm accidentally, internal short circuits may be caused.
Utility model content
The purpose of this utility model is to provide a kind of preferable fire acousto-optic alarm of sealing property.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of fire audible and visible alarm
Device, including embedded box, base and acoustooptic alarm housing, the embedded box cave inward to form accommodating chamber, the base with it is pre-
Bury threaded connection between box；The base extends inwardly to form the first extension, institute with one end that acoustooptic alarm housing is connected
State and elastomer is provided with the first extension, the elastomer is provided with the first magnet, institute away from one end on the first extension
State and be provided with the second magnet at acoustooptic alarm housing position corresponding with the first magnet.
By using above-mentioned technical proposal, embedded box is embedded in inside wall in advance, base is tightened on by screw thread
In the accommodating chamber of embedded box, acoustooptic alarm housing is docked with base afterwards, because the first extension is prolonged to chassis interior
Stretch, so can stop that the dust impurity particle of a part is entered inside fire acousto-optic alarm, and in the process of docking
In, adsorb and coordinate under the magnetic-adsorption effect of the first magnet and the second magnet, because the first magnet is provided on elastomer
, so pull the gap that elastomer shelters from fire acousto-optic alarm and base docking upwards under magnetic-adsorption active force,
Dust, impurity so as to stop the external world etc. are entered inside fire acousto-optic alarm at gap.
Preferably, stretching out to form the second extension on the acoustooptic alarm housing, the base prolongs with second
It is provided with the corresponding position of extending portion in the first groove, first groove and is provided with neck, second extension and neck
Fixture block is provided with corresponding position, the fixture block coordinates buckle with neck.
By using above-mentioned technical proposal, in order that what is connected between acoustooptic alarm housing and base is even closer, profit
Both is connected with the cooperation of fixture block and neck；Again because the junction of fixture block and neck has gap, the bottom of at
The first groove and the second extension are correspondingly arranged on seat and acoustooptic alarm housing, fixture block and neck are arranged on second respectively
On extension and in the first groove, during installation, the second extension is extended into the first groove.
Preferably, the neck is in communication with the outside to form opening on base side wall.
By using above-mentioned technical proposal, be provided with opening at the base side wall position corresponding with neck, fixture block with
Neck is connected after being engaged；When needing to dismantle acoustooptic alarm housing from base, fixture block is pressed at opening, so that
Fixture block is exited out of neck, dismounting is completed.
The second groove is provided with preferably, being provided with first magnet on the first projection, second magnet.
By using above-mentioned technical proposal, the first magnet and the second magnet magnetic-adsorption are so as to by acousto-optic in installation process
Siren housing and base link together, and first be arranged on the first magnet and the second magnet is raised and the second groove can
Spacing effect is played during magnetic-adsorption.
Preferably, the elastic body length is less than the distance between the first magnet and the second magnet.
By using above-mentioned technical proposal, with the first magnet and the magnetic-adsorption of the second magnet, in the elastic force of elastomer
In the range of by elastomeric stretch, elastomer, which is produced, to be recovered the trend of this shape and makes to connect more between acoustooptic alarm housing and base
Preferably, being provided with reflecting piece on the acoustooptic alarm housing.
By using above-mentioned technical proposal, reflecting piece can be reflective by external light source, and user can judge fire according to reflective
The particular location of calamity acoustooptic alarm.
Preferably, being provided with sealing ring on one end that the base is connected with embedded box.
By using above-mentioned technical proposal, a circle sealing ring is provided with base；Base is being connected it with embedded box
Afterwards, the other end of sealing ring is connected on embedded box, plays sealed effect.
Preferably, caving inward to form the internal cavity for being filled with anti-flaming dope, institute on the acoustooptic alarm housing
State the paraffin layer for being provided with cavity and closing cavity.
By using above-mentioned technical proposal, because acousto-optic fire alarm is internally provided with a plurality of circuit, if in fire thing
Therefore in, acoustooptic alarm housing is damaged the circuit for exposing inside, and electric wire is all by internal wire and parcel under normal circumstances
Firmly the insulator of electric wire is constituted, and outside insulator is easy to be damaged, and then exposes the wire of inside, wire conduction is easily
Aggravate the intensity of a fire；And the cavity memory being arranged in acoustooptic alarm housing is placed with anti-flaming dope, the stone to closed cavity
Wax layer can start to melt at 50 degrees Celsius, and 60 degrees Celsius of dissolvings finish, after dissolving is finished inside anti-flaming dope flow out and cover
Cover on acousto-optic fire alarm housing, play a part of fire-resisting protection.
In summary, the utility model has the advantages that：Embedded box is embedded in inside wall in advance, by base
It is tightened in the accommodating chamber of embedded box, afterwards docks acoustooptic alarm housing with base by screw thread, because the first extension
Extend to chassis interior, so can stop that the dust impurity particle of a part is entered inside fire acousto-optic alarm,
And during docking, adsorb and coordinate under the magnetic-adsorption effect of the first magnet and the second magnet, because the first magnet is
It is arranged on elastomer, so pullling elastomer shelters from fire acousto-optic alarm and bottom upwards under magnetic-adsorption active force
The gap of seat docking, so as to stop that dust, the impurity in the external world etc. is entered inside fire acousto-optic alarm at gap.
Brief description of the drawings
Fig. 1 is overall structure diagram in embodiment 1, for embodying the position relationship between each structure；
Fig. 2 is overall structure sectional view in embodiment 1；
Fig. 3 is overall structure of the explosion figure in embodiment 1；
Fig. 4 is part A structure enlarged diagram in Fig. 3, for embodying the fixture block being arranged on the second extension；
Fig. 5 is part B structure enlarged diagram in Fig. 3, for embodying the first groove and the neck that are arranged on base；
Fig. 6 is part-structure schematic diagram in embodiment 1, for embodying fire acousto-optic alarm internal structure；
Fig. 7 is C portion structure enlarged diagram in Fig. 6, for embodying elastomer, the first magnet and the second magnet；
Fig. 8 is part-structure schematic diagram in embodiment 1, for embodying the second groove and the first projection；
Fig. 9 is part-structure schematic diagram in embodiment 2, and the opening connected on base with neck is arranged on for embodying.
In figure, 1, embedded box；11st, accommodating chamber；2nd, base；21st, the first extension；22nd, elastomer；23rd, the first magnet；
231st, first is raised；24th, sealing ring；3rd, acoustooptic alarm housing；31st, the second magnet；311st, the second groove；32nd, the second extension
Portion；321st, fixture block；33rd, the first groove；331st, neck；332nd, it is open；34th, reflecting piece；35th, cavity；36th, paraffin layer.
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Embodiment 1：As depicted in figs. 1 and 2, a kind of fire acousto-optic alarm, including embedded box 1, base 2 and audible and visible alarm
Device housing 3, embedded box 1 is to bury and be placed in wall in advance, and embedded box 1 caves inward to form accommodating chamber 11, accommodating chamber 11 it is interior
Wall is provided with screw thread, and base 2 is threadedly coupled with embedded box 1, is glued on base 2 provided with a circle sealing ring 24, by the screw thread of base 2
After being connected on embedded box 1, sealing ring 24 is located at plays sealing function between base 2 and embedded box 1.
As shown in Fig. 3, Fig. 4 and Fig. 5, stretch out to form in acoustooptic alarm housing and the end that base 2 is connected
Two extensions 32, base 2 is stretched into being provided with the first groove 33 at the corresponding position of the second extension 32 in the second extension 32
Fixture block 321 is provided with the position for entering the first groove 33, the first groove 33 at the corresponding position of fixture block 321 with being provided with neck
331, the second extension 32 is extended into the first groove 33, fixture block 321 and neck 331 coordinate inlay card so as to by acoustooptic alarm
Housing 3 connects into an entirety with base 2.
As shown in Figure 6 and Figure 7, base 2 extends inwardly to form the first extension 21, wherein being provided with the first extension 21
Elastomer 22, elastomer 22 can be made of natural emulsion, and the original length of elastomer 22 is slightly less than the first magnet 23 and second
The distance between magnet 31, is provided with the first magnet 23 on one end of elastomer 22, in the magnetic of acoustooptic alarm housing 3 and first
Iron 23 is provided with the second magnet 31 at corresponding position；As shown in figure 8, being provided with the first projection 231, second on the first magnet 23
The second groove 311 is provided with the first raised 231 corresponding positions on magnet 31, in the presence of magnetic-adsorption, first is convex
231 are played to be caught in into the second groove 311.
Reflecting piece 34 is provided with as shown in figure 3, being glued on acoustooptic alarm housing 3, is easy to user to observe the police of fire acousto-optic
Report the position of device.
As shown in figure 1, depression forms cavity 35 downwards on acoustooptic alarm housing 3, it is in communication with the outside in cavity 35
Paraffin layer 36 is provided with position, paraffin layer 36 closes cavity, the memory of cavity 35 is placed with anti-flaming dope.Receive extraneous heat
During amount, paraffin layer 36 is dissolved, and the anti-flaming dope outflow cavity 35 being stored in cavity 35 is coated on fire acousto-optic alarm, shape
Into flame resistant protective layer.
Application method：Embedded box 1 is embedded in wall in advance, then base 2 is threaded on embedded box 1, then
Second extension 32 is extended into the first groove 33, fixture block 321 is with the inlay card of neck 331 so as to complete acoustooptic alarm housing 3
With the connection of base 2；First magnet and the second magnet 31 are adsorbed in the presence of mutual cooperation, elastomer 22 is sheltered from acousto-optic
The gap formed between siren housing 3 and base 2, so as to avoid dust, the impurity in the external world etc. from entering fire audible and visible alarm
Embodiment 2：As shown in figure 9, the structure of embodiment 2 and embodiment 1 is essentially identical, a kind of fire acousto-optic alarm,
In example 2, in the side wall of base 2 with being provided with opening 332 at the corresponding position of neck 331, be open 332 and neck 331
Application method：The application method of embodiment 2 is substantially the same manner as Example 1, but in this embodiment, from opening
Fixture block 321 is inwardly promoted at 332 positions, fixture block 321 is retracted into neck 331, so as to reach audible-visual annunciator housing 3 and bottom
2 removable detachable effects of seat.