CN214670946U - Fire alarm convenient to installation - Google Patents
Fire alarm convenient to installation Download PDFInfo
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- CN214670946U CN214670946U CN202121175568.9U CN202121175568U CN214670946U CN 214670946 U CN214670946 U CN 214670946U CN 202121175568 U CN202121175568 U CN 202121175568U CN 214670946 U CN214670946 U CN 214670946U
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- alarm main
- dust screen
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Abstract
The utility model relates to the technical field of fire alarm, in particular to a fire alarm convenient to install, which comprises an alarm main body, wherein a protective cover is installed at the top of the alarm main body, a sound expansion hole is formed at the top of the protective cover, a dust screen is arranged inside the alarm main body and is positioned right below the sound expansion hole, and the area of the dust screen is larger than that of the sound expansion hole; through setting up the activity groove, the lifter, stopper and spring, when installing fire control alarm, the staff accessible is pressed the lifter, thereby make the lifter drive the stopper and remove to the activity inslot, the stopper is with compression spring this moment, alright loosen the lifter when the mounting hole of mounted position department is aimed at the stopper afterwards, thereby this moment because the spring will resume elasticity after receiving the compression and promote the stopper and remove, thereby make stopper and mounting hole chucking, make the staff need not with the help of relevant instrument alright install the fire alarm, very convenient.
Description
Technical Field
The utility model relates to a fire alarm technical field especially relates to a fire alarm convenient to installation.
Background
The fire alarm is an alarm which can generate an alarm when a fire disaster is caused by detecting a large amount of smoke, heat and the like, is generally arranged at places where people often exist, such as walkways and stairways, can give out sound alarm when the fire disaster occurs, and sends a flashing light to flash to remind people in the field of attention.
However, in the actual use process of the existing fire alarm, because the mounting hole on the fire alarm needs to be aligned with the hole site at the mounting position when the fire alarm is mounted, and then the bolt is mounted in the mounting hole by using a relevant tool, at this time, a worker needs to support the fire alarm by one hand and mount and fix the fire alarm by the other hand, so that the mounting process is very complicated; meanwhile, in the actual use process of the existing fire alarm, a large amount of smoke is generated after the alarm is triggered, and the smoke contains a large amount of particles, so that the smoke is easy to float to the inside of the fire alarm after the alarm is triggered, and the service performance of the fire alarm is easy to influence.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a fire alarm convenient to installation can be fast convenient install the fire alarm and can effectively prevent the smog granule from waving to the inside technological effect of fire alarm.
In order to solve the technical problem, the utility model provides a following technical scheme: a fire alarm convenient to install comprises an alarm body, a protective cover is installed at the top of the alarm body, a sound expansion hole is formed in the top of the protective cover,
a dust screen is arranged inside the alarm main body;
the dust screen is positioned right below the sound expansion hole;
the area of the dust screen is larger than that of the sound expansion hole, and the dust screen is made of stainless steel materials.
Preferably, megaphone and flash light are installed respectively to the inside of alarm main part, the mounting panel is installed through the bracing piece to the inside of alarm main part, the inside of mounting panel is seted up flutedly, the inside of recess is provided with the dust screen, the dust screen is located the megaphone directly over.
Preferably, the mounting hole has all been seted up to the inside of alarm main part and the top of protection casing, the transparent window is installed at the top of protection casing, the draw-in groove has been seted up to the inside top of protection casing, the protection casing is the plastics material.
Preferably, the top of mounting panel is located the draw-in groove, just mounting panel and draw-in groove looks in close contact with, the flash light is located under the transparent window.
Preferably, the bottom of alarm main part is fixed with the base, the activity groove has all been seted up to the bottom both sides of base, the height that highly is less than the alarm main part of base.
Preferably, the spring is installed in the movable groove, a limiting block is arranged at one end of the spring, an extrusion rod is installed on one side of the limiting block, and the width of the limiting block is equal to that of the movable groove.
Preferably, one end of the extrusion rod is located on the outer side of the base, the length of the extrusion rod is larger than that of the movable groove, and the limiting block is arranged in a 7 shape.
Preferably, the outer surfaces of the alarm main body and the base are coated with waterproof paint, and one side of the base is provided with a threading hole.
Compared with the prior art, the utility model discloses the beneficial effect that can reach is:
1. by arranging the movable groove, the extrusion rod, the limiting block and the spring, when the fire alarm is installed, a worker can press the extrusion rod, so that the extrusion rod drives the limiting block to move into the movable groove, the limiting block compresses the spring at the moment, then the extrusion rod can be loosened when the limiting block is aligned to the installation hole at the installation position, at the moment, the spring restores elasticity after being compressed so as to push the limiting block to move, the limiting block is clamped with the installation hole, the worker can install the fire alarm without the help of related tools, and the fire alarm is convenient and fast;
2. through setting up the draw-in groove, the bracing piece, the mounting panel, recess and dust screen, this fire alarm is in the use, be provided with the mounting panel through the bracing piece in the inside of alarm main part, and the recess has been seted up to the inside of mounting panel, the inside of recess is provided with the dust screen, and through setting up the dust screen under the sound amplifying hole, make the dust screen can effectually adsorb the smog granule that gets into to alarm main part inside through the sound amplifying hole, cover the flash light and influence the performance of alarm in order to avoid smog granule to flutter to the fire alarm, and through mounting panel and draw-in groove looks in close contact with, the leakproofness between dust screen and the protection casing has been improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the alarm main body of the present invention;
FIG. 3 is a schematic view of the internal structure of the protective cover of the present invention;
FIG. 4 is a schematic view of the back structure of the base of the present invention;
fig. 5 is a schematic diagram of the structure of the limiting block of the present invention.
Wherein: 1. an alarm main body; 2. a protective cover; 201. a sound expansion hole; 202. a transparent window; 203. mounting holes; 3. a base; 301. threading holes; 302. a movable groove; 4. an extrusion stem; 5. a flash lamp; 6. a loudspeaker; 601. a support bar; 602. mounting a plate; 603. a groove; 7. a dust screen; 8. a card slot; 9. a limiting block; 901. a spring.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in figures 1-5, the utility model provides a fire alarm convenient to install, which comprises an alarm main body 1, a protective cover 2 is installed on the top of the alarm main body 1, a sound expansion hole 201 is arranged on the top of the protective cover 2,
a dust screen 7 is arranged in the alarm main body 1;
the dust screen 7 is positioned right below the sound expansion hole 201;
the area of the dust screen 7 is larger than that of the sound expansion hole 201, and the dust screen 7 is made of stainless steel.
The alarm comprises an alarm body 1, a loudspeaker 6, a flashlight 5, a mounting plate 602, a groove 603 and a dust screen 7, wherein the loudspeaker 6 and the flashlight 5 are respectively mounted in the alarm body 1, the mounting plate 602 is mounted in the alarm body 1 through a support rod 601, the groove 603 is formed in the mounting plate 602, the dust screen 7 is arranged in the groove 603, and the dust screen 7 is located right above the loudspeaker 6;
in this embodiment, through this kind of design, make alarm main part 1 at the during operation, accessible megaphone 6 sends out the police dispatch newspaper, alarm rethread sound amplifying hole 201 gives off, thereby flash of light 5 carries out the early warning to the personnel, and set up dust screen 7 under sound amplifying hole 201 through, make dust screen 7 can be effectual to entering into to the inside smog granule of alarm main part 1 through sound amplifying hole 201 and adsorb, cover flash of light 5 and influence the performance of alarm in order to avoid the smog granule to wave to the fire alarm.
in this embodiment, through this kind of design to in order to install protection casing 2 and alarm main part 1 through mounting hole 203, thereby make protection casing 2 protect alarm main part 1, improved alarm main part 1's life, simultaneously, thereby make light distribute through transparent window 202 and carry out the early warning to the personnel when alarm main part 1 work back, and seted up draw-in groove 8 so that mounting panel 602 joint to draw-in groove 8 in.
The top of the mounting plate 602 is located in the slot 8, the mounting plate 602 is in close contact with the slot 8, and the flash lamp 5 is located right below the transparent window 202;
in this embodiment, through this kind of design for thereby sealing between mounting panel 602 and the protection casing 2 after mounting panel 602 and draw-in groove 8 looks in close contact with, in order to avoid the smog granule to wave to alarm main part 1, improved the leakproofness and improved the isolated performance of absorption to the smog granule, accessible flash light 5 carries out the early warning to the personnel after alarm main part 1 work simultaneously, is making light give off through transparent window 202.
The alarm comprises an alarm body 1, a base 3, movable grooves 302, a first fixing plate, a second fixing plate and a third fixing plate, wherein the base 3 is fixed at the bottom of the alarm body 1, the two sides of the bottom of the base 3 are both provided with the movable grooves 302, and the height of the base 3 is smaller than that of the alarm body 1;
in this embodiment, through this kind of design to the staff installs alarm main part 1 through base 3, also can carry out the shock attenuation protection to alarm main part 1 through base 3 simultaneously.
Wherein, a spring 901 is installed inside the movable groove 302, one end of the spring 901 is provided with a limit block 9, one side of the limit block 9 is provided with an extrusion rod 4, and the width of the limit block 9 is equal to that of the movable groove 302;
in this embodiment, through this kind of design to the staff pushes away the stopper 9 and removes in the activity groove 302 after pressing the extrusion lever 4, and stopper 9 will compress spring 901 to the in-process that removes in the activity groove 302, thereby makes follow-up after loosening extrusion lever 4 spring 901 resumes elasticity and pushes stopper 9 and remove thereby makes stopper 9 carry out spacing fixed to alarm main part 1.
Wherein, one end of the extrusion rod 4 is positioned at the outer side of the base 3, the length of the extrusion rod 4 is greater than that of the movable groove 302, and the limiting block 9 is arranged in a 7 shape.
In this embodiment, through this kind of design to thereby the staff presses extrusion stem 4 and makes extrusion stem 4 promote stopper 9 and remove to activity groove 302, and thereby makes stopper 9 install and fix alarm main part 1 in the mounting hole, and stopper 9 is "7" style of calligraphy setting simultaneously and is convenient for stopper 9 to remove and carry on spacingly.
Wherein, the surface of alarm main part 1 and base 3 all scribbles water proof coating, and through wires hole 301 has been seted up to one side of base 3.
In this embodiment, through this kind of design for alarm main part 1 and base 3 can have good waterproof performance, and in order to avoid water infiltration to alarm main part 1's inside and influence alarm main part 1's performance, and accessible through wires hole 301 carries out the line connection to alarm main part 1 when installing alarm main part 1.
The working principle is as follows: firstly, when the alarm body 1 is installed, a worker can press the extrusion rod 4, so that the extrusion rod 4 drives the limit block 9 to move into the movable groove 302, at the moment, the limit block 9 compresses the spring 901, then, when the limit block 9 is aligned with the installation hole at the installation position, the extrusion rod 4 can be loosened, at the moment, the spring 901 restores elasticity after being compressed, so that the limit block 9 is pushed to move, so that the limit block 9 is tightly clamped with the installation hole, the worker can install the fire alarm without the help of related tools, the installation method is very convenient and fast, in the using process of the fire alarm, the installation plate 602 is arranged in the alarm body 1 through the support rod 601, the groove 603 is formed in the installation plate 602, the dustproof net 7 is arranged in the groove 603, and the dustproof net 7 is arranged under the sound expansion hole 201, make dust screen 7 can be effectual to entering into the smog granule of alarm main part 1 inside through the sound amplifying hole 201 and adsorb to avoid the smog granule to fly to cover flash light 5 in the fire alarm and influence the performance of alarm, and through mounting panel 602 and draw-in groove 8 looks in close contact with, improved the leakproofness between dust screen 7 and protection casing 2.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a fire alarm convenient to installation, includes alarm main part (1), protection casing (2) are installed at the top of alarm main part (1), sound amplification hole (201), its characterized in that have been seted up at the top of protection casing (2):
a dust screen (7) is arranged in the alarm main body (1);
the dust screen (7) is positioned right below the sound expansion hole (201);
the area of the dustproof net (7) is larger than that of the sound expansion hole (201), and the dustproof net (7) is made of stainless steel materials.
2. A fire alarm as claimed in claim 1, wherein: megaphone (6) and flash light (5) are installed respectively to the inside of alarm main part (1), mounting panel (602) is installed through bracing piece (601) to the inside of alarm main part (1), recess (603) are seted up to the inside of mounting panel (602), the inside of recess (603) is provided with dust screen (7), dust screen (7) are located megaphone (6) directly over.
3. A fire alarm as claimed in claim 1, wherein: mounting hole (203) have all been seted up at the inside of alarm main part (1) and the top of protection casing (2), transparent window (202) are installed at the top of protection casing (2), draw-in groove (8) have been seted up to the inside top of protection casing (2), protection casing (2) are the plastics material.
4. A fire alarm as claimed in claim 2, wherein: the top of mounting panel (602) is located draw-in groove (8), just mounting panel (602) and draw-in groove (8) looks in close contact with, flash light (5) are located under transparent window (202).
5. A fire alarm as claimed in claim 1, wherein: the bottom of alarm main part (1) is fixed with base (3), activity groove (302) have all been seted up to the bottom both sides of base (3), the height that highly is less than alarm main part (1) of base (3).
6. A fire alarm convenient to install as claimed in claim 5, wherein: the spring (901) is installed inside the movable groove (302), a limiting block (9) is arranged at one end of the spring (901), an extrusion rod (4) is installed on one side of the limiting block (9), and the width of the limiting block (9) is equal to that of the movable groove (302).
7. A fire alarm as claimed in claim 6, wherein: one end of the extrusion rod (4) is positioned on the outer side of the base (3), the length of the extrusion rod (4) is larger than that of the movable groove (302), and the limiting block (9) is arranged in a 7 shape.
8. A fire alarm as claimed in claim 1, wherein: the outer surfaces of the alarm main body (1) and the base (3) are coated with waterproof paint, and one side of the base (3) is provided with a threading hole (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121175568.9U CN214670946U (en) | 2021-05-28 | 2021-05-28 | Fire alarm convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121175568.9U CN214670946U (en) | 2021-05-28 | 2021-05-28 | Fire alarm convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214670946U true CN214670946U (en) | 2021-11-09 |
Family
ID=78486379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121175568.9U Active CN214670946U (en) | 2021-05-28 | 2021-05-28 | Fire alarm convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214670946U (en) |
-
2021
- 2021-05-28 CN CN202121175568.9U patent/CN214670946U/en active Active
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