CN219349596U - Fire-fighting smoke alarm - Google Patents

Abstract

The utility model discloses a fire-fighting smoke alarm, which relates to the field of fire protection. According to the utility model, by arranging the dust removing assembly, when dust attached to the surface of the dust screen is required to be scraped, a worker can start the micro motor, the micro motor can drive the gear to rotate, the gear can drive the first rack to move upwards and drive the second rack to move downwards, the first rack can drive the protective cover to move upwards after moving upwards, the protective cover can move into the movable cavity, meanwhile, the second rack can drive the dust screen to move downwards when moving downwards, the sliding block can be driven to slide in the sliding groove after moving downwards, and the dust attached to the surface of the dust screen can be scraped after the dust screen moves downwards due to the fact that the inner wall of the dust screen is attached to the outer wall of the bottom cover, so that the cleaning efficiency of dust on the surface of the dust screen is improved.

Description

Fire-fighting smoke alarm

Technical Field

The utility model relates to the field of fire protection, in particular to a fire smoke alarm.

Background

The smoke alarm is actually a smoke alarm or a name of the smoke alarm, the smoke alarm is used for realizing fire prevention by monitoring the concentration of smoke, the ionic smoke alarm is adopted inside, and the ionic smoke alarm is a sensor with advanced technology and stable and reliable work and is widely applied to various fire alarm systems, and the performance of the sensor is far superior to that of a fire alarm of a gas-sensitive resistor type.

According to the chinese patent with publication number CN216352709U, an independent intelligent smoke alarm is disclosed, and this independent intelligent smoke alarm is through dust cover, fixed block, rubber band, filter screen, movable block, movable hole, pull rod and handle's mutually supporting, reaches and can effectively filter the dust in the air, is convenient for take out the cleanness simultaneously to the filter screen.

For the above-mentioned disclosure, the inventor considers that the filter screen needs to be taken out from the smoke alarm when cleaning the filter screen, and because the smoke alarm is generally installed on the ceiling in the house, the filter screen needs to be taken out from the smoke alarm only by climbing to a high place when taking out the filter, and this taking out process is very troublesome and the filter screen needs to be reinstalled back into the alarm after cleaning, thereby reducing the cleaning efficiency of the filter screen.

Disclosure of Invention

Based on the above, the utility model aims to provide a fire smoke alarm to solve the technical problem that a filter screen is difficult to clean quickly.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fire control smoke alarm, includes smoke alarm main part, smoke alarm main part's bottom is equipped with the end cover, the air vent has all been seted up to the both sides of end cover, the outer wall of end cover is equipped with dust removal subassembly, dust removal subassembly is including the spout of seting up in end cover both sides, install in the mounting panel of smoke alarm main part bottom both sides and set up in the inside movable chamber of smoke alarm main part, the inside of movable chamber is provided with the expansion ring, the bottom of expansion ring is connected with the protection casing that extends to the activity chamber outside, first rack is all installed to the inside both sides of protection casing, the inside of spout is provided with the slider, one side of slider is equipped with the dust excluding hood, the both sides of dust excluding hood all are fixed with the second rack, the surface mounting of mounting panel has micro motor, micro motor's output is connected with the gear.

Through adopting above-mentioned technical scheme, when the dust that needs strike off dust screen surface adhesion, the staff can start micro motor, and micro motor work can drive the gear rotation.

Further, the gear is meshed with the first rack and the second rack respectively, and the height of the first rack is the same as that of the second rack.

Through adopting above-mentioned technical scheme, when the gear rotates, it can drive first rack and second rack and shift up or move down, can drive the protection casing and remove when first rack removes.

Further, the inner wall of the dust hood is attached to the outer wall of the bottom hood, and the dust hood is in sliding connection with the sliding chute through the sliding block.

Through adopting above-mentioned technical scheme, it can drive the slider and slide in the spout inside when the dust excluding hood moves down, and then can improve the stability when the dust excluding hood removes.

Further, the protection casing passes through expansion ring and activity chamber sliding connection, the height of protection casing is greater than the degree of depth in activity chamber.

Through adopting above-mentioned technical scheme, can drive the expansion ring and slide in the activity intracavity portion when the protection casing removes, and then can improve the stability when the protection casing removes.

Further, the dust guard is installed through the mounting bolt to the bottom of bottom cover, the bottom of dust guard is fixed with the pull ring.

Through adopting above-mentioned technical scheme, the setting of bolt can carry out spacing fixedly to the dust guard, prevents that the dust guard from dropping from the bottom cover to the stability of dust guard has been improved.

Further, a plurality of vent holes are distributed on the outer wall of the bottom cover in an annular array shape, and a dustproof net is arranged in the vent holes.

Through adopting above-mentioned technical scheme to outside flue gas passes through the air vent and gets into the bottom cover inside, and the setting of dust screen can prevent that a large amount of dust from entering into the inside of smog alarm main part simultaneously.

In summary, the utility model has the following advantages:

1. according to the utility model, when dust attached to the surface of the dust screen is required to be scraped, a worker can start the micro motor, the micro motor can drive the gear to rotate, the gear can drive the first rack to move upwards and drive the second rack to move downwards after rotating, the first rack can drive the protective cover to move upwards after moving upwards, the protective cover can move into the movable cavity, meanwhile, the second rack can drive the dust screen to move downwards when moving downwards, the sliding block can be driven to slide in the sliding groove after moving downwards, and the dust attached to the surface of the dust screen can be scraped after the dust screen is moved downwards due to the fact that the inner wall of the dust screen is attached to the outer wall of the bottom cover, so that the cleaning efficiency of the dust screen is improved, the dust screen is not required to be frequently detached by the worker to clean the dust screen, the workload of the worker is reduced, the worker does not need to climb up the high place of a tool, and meanwhile, when the dust screen is not cleaned any more, the dust screen and the protective cover is reset, the protective cover can drive the bottom cover to move downwards, so that the bottom cover is protected, and the bottom cover is prevented from being damaged by direct collision of an external object, and the bottom cover is prevented from being damaged, and the bottom cover is further protected.

Drawings

FIG. 1 is a schematic view of the overall front cross-section of the present utility model;

FIG. 2 is a schematic perspective view of the whole protective cover of the present utility model;

FIG. 3 is a schematic perspective view of a bottom cover according to the present utility model;

fig. 4 is a schematic perspective view of a dust hood according to the present utility model.

In the figure: 1. a smoke alarm body; 2. a dust-proof plate; 3. a pull ring; 4. a vent hole; 5. a dust screen; 6. installing a bolt; 7. a dust removal assembly; 701. a mounting plate; 702. a movable cavity; 703. a movable ring; 704. a protective cover; 705. a first rack; 706. a micro motor; 707. a gear; 708. a dust hood; 709. a slide block; 710. a second rack; 711. a chute; 8. and a bottom cover.

Description of the embodiments

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

The utility model provides a fire control smoke alarm, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, including smoke alarm main part 1, smoke alarm main part 1's bottom is equipped with end cover 8, air vent 4 has all been seted up to end cover 8's both sides, a plurality of air vents 4 are annular array form and distribute in end cover 8's outer wall, air vent 4's inside is equipped with dust screen 5, so that outside flue gas gets into end cover 8 inside through air vent 4, dust screen 5's setting can prevent that a large amount of dust from getting into smoke alarm main part 1's inside simultaneously, thereby improve smoke alarm's dustproof effect, avoid a large amount of dust to pile up inside smoke alarm, and then slow down smoke alarm's damage speed, end cover 8's outer wall is equipped with dust removal subassembly 7, so as to clear up dust screen 5 surface attached dust, end cover 8's bottom is installed through mounting bolt 6 dust guard 2, dust guard 2's bottom is fixed with pull ring 3, dust guard 2's bottom, dust guard 2 is prevented from falling from end cover 8 through the air vent 4's inside, thereby the stability of dust guard 2 has been improved, dust guard 2, and when dust guard 2 need to dismantle, user's 6 can rotate, and can take out dust guard 2 from inside rotation 6, and further take out dust guard 2.

Specifically, the dust removing assembly 7 comprises a chute 711 arranged at two sides of the bottom cover 8, a mounting plate 701 arranged at two sides of the bottom of the smoke alarm main body 1 and a movable cavity 702 arranged in the smoke alarm main body 1, a movable ring 703 is arranged in the movable cavity 702, a protective cover 704 extending to the outside of the movable cavity 702 is connected at the bottom of the movable ring 703, first racks 705 are arranged at two sides of the interior of the protective cover 704, a sliding block 709 is arranged in the chute 711, a dust removing cover 708 is arranged at one side of the sliding block 709, second racks 710 are fixed at two sides of the dust removing cover 708, the inner wall of the dust removing cover 708 is attached to the outer wall of the bottom cover 8, the dust removing cover 708 is in sliding connection with the chute 711 through the sliding block 709, the dust removing cover 708 can drive the sliding block 709 to slide in the chute 711 when moving downwards so as to improve the stability of the dust removing cover 708, the protective cover 704 is in sliding connection with the movable cavity 702 through the movable ring 703, the thickness of the protective cover 704 is smaller than that of the bottom cover 8, so that the protective cover 704 plays a role in protecting the bottom cover 8 and damage to the bottom cover 8 is avoided, the protection effect on the smoke alarm is improved, the height of the protective cover 704 is larger than that of the movable cavity 702, the movable ring 703 is driven to slide in the movable cavity 702 when the protective cover 704 moves, a micro motor 706 is arranged on the outer surface of the mounting plate 701, when dust attached to the surface of the dust screen 5 needs to be scraped, a worker can start the micro motor 706, the micro motor 706 can drive a gear 707 to rotate, the output end of the micro motor 706 is connected with the gear 707, the gear 707 is meshed with a first rack 705 and a second rack 710 respectively, the height of the first rack 705 is the same as that of the second rack 710, when the gear 707 rotates, the gear 707 can drive the first rack 705 and the second rack 710 to move upwards or downwards, when the first rack 705 moves, so as to adjust the position of the shield 704, and meanwhile, the second rack 710 drives the dust hood 708 to move when moving up and down, so that the dust hood 708 can clean dust attached to the surface of the dust screen 5.

The implementation principle of the embodiment is as follows: firstly, the staff can install the smoke alarm and switch on the power, outside flue gas can get into inside the smoke alarm main part 1 through the air vent 4, simultaneously the setting of dust screen 5 can prevent outside dust from getting into inside the smoke alarm main part 1, thereby improve the dustproof effect of smoke alarm, and when the dust that needs to strike off dust screen 5 surface adhesion, the staff can start micro motor 706, micro motor 706 work can drive gear 707 and rotate, can drive first rack 705 after the gear 707 rotates and move up, and drive second rack 710 and move down, first rack 705 again drives protection casing 704 and moves up after moving up, make protection casing 704 move into the inside of movable chamber 702, it can drive dust excluding hood 708 down when simultaneously second rack 710 moves down, and can drive slider 709 and slide in spout 711 inside after the dust excluding hood 708 down, and because the inner wall of dust excluding hood 708 is laminated with the outer wall of end hood 8, can strike off dust screen 5 surface adhesion's dust after making dust excluding hood 708 down, and then improved the cleaning efficiency to dust screen 5 surface dust, and through this mode, and the staff frequently dismantles dust screen 5 to clean up to the dust screen 5, and then drive protection casing 704 and move up after moving up, make protection casing 704 move into the inside movable chamber 702, and simultaneously, it can drive dust screen 708 down, and move down to clean down, and then be prevented from being directly down to the bottom hood 8.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims (6)

1. A fire smoke alarm comprising a smoke alarm body (1), characterized in that: the smoke alarm is characterized in that a bottom cover (8) is arranged at the bottom of the smoke alarm body (1), vent holes (4) are formed in two sides of the bottom cover (8), a dust removing assembly (7) is arranged on the outer wall of the bottom cover (8), the dust removing assembly (7) comprises a sliding groove (711) formed in two sides of the bottom cover (8), a mounting plate (701) mounted on two sides of the bottom of the smoke alarm body (1) and a movable cavity (702) formed in the smoke alarm body (1), a movable ring (703) is arranged in the movable cavity (702), a protective cover (704) extending to the outside of the movable cavity (702) is connected to the bottom of the movable ring (703), a first rack (705) is mounted on two sides of the interior of the protective cover (704), a sliding block (709) is arranged in the interior of the sliding groove (711), a dust removing cover (708) is arranged on one side of the sliding block (709), two sides of the dust removing cover (708) are respectively fixed with a second rack (710), a micro motor (706) is mounted on the outer surface of the mounting plate (701), and the micro motor (706) is connected with an output end of the micro motor (706).

2. A fire smoke alarm as defined in claim 1 wherein: the gear (707) is meshed with a first rack (705) and a second rack (710), respectively, and the height of the first rack (705) is the same as that of the second rack (710).

3. A fire smoke alarm as claimed in claim 2, wherein: the inner wall of the dust hood (708) is attached to the outer wall of the bottom cover (8), and the dust hood (708) is in sliding connection with the sliding groove (711) through the sliding block (709).

4. A fire smoke alarm as defined in claim 1 wherein: the protective cover (704) is connected with the movable cavity (702) in a sliding mode through the movable ring (703), and the height of the protective cover (704) is larger than the depth of the movable cavity (702).

5. A fire smoke alarm as defined in claim 1 wherein: the bottom of the bottom cover (8) is provided with a dust guard (2) through a mounting bolt (6), and the bottom of the dust guard (2) is fixed with a pull ring (3).

6. A fire smoke alarm as defined in claim 1 wherein: the plurality of vent holes (4) are distributed on the outer wall of the bottom cover (8) in an annular array shape, and a dust screen (5) is arranged in the vent holes (4).

Images