CN219692753U - Electrical fire alarm for building - Google Patents

Abstract

The utility model discloses a building electric fire alarm which comprises a smoke alarm and a mounting plate, wherein two sides of the top of the smoke alarm are symmetrically and fixedly connected with a plug rod, clamping holes are formed in the plug rod, two sides of the bottom of the mounting plate are symmetrically provided with slots, one side of each slot is provided with a transverse slot, the clamping rods are arranged in the slots, the bottoms of the transverse slots are communicated with a sliding groove, vertical rods and a first spring are respectively arranged in the sliding groove, the top of the smoke alarm is fixedly provided with a first contact, and a round hole is formed in the middle of the mounting plate. According to the utility model, the smoke alarm is convenient to install and detach through the slot, the transverse slot, the sliding groove, the inserting rod, the clamping hole, the clamping rod, the vertical rod and the first spring, so that the smoke alarm is convenient to overhaul, and the first contact and the second contact can be always contacted and abutted after the smoke alarm is installed through the first ring, the second ring and the second spring, so that the power supply for the smoke alarm is ensured.

Description

Electrical fire alarm for building

Technical Field

The utility model relates to the technical field of smoke alarms, in particular to an electrical fire alarm for a building.

Background

The building electricity is an application subject for creating a humanized living environment in a limited space by taking a building as a platform and an electric technology as a platform means; the automatic fire alarm system belongs to one of weak electric systems in building and is used to judge fire disaster through smoke alarm to detect smoke.

In order to ensure that the smoke alarm can accurately identify a fire disaster, the smoke alarm needs to be overhauled frequently, and the traditional smoke alarm is inconvenient to detach when fixed on a ceiling, so that the smoke alarm is inconvenient to overhaul.

Disclosure of Invention

The utility model aims to provide an electric fire alarm for buildings, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an electrical fire alarm of building, includes smoke alarm and mounting disc, the bilateral symmetry fixedly connected with inserted bar at smoke alarm top, the draw-in hole has been seted up on the inserted bar, the bilateral symmetry of mounting disc bottom is provided with the slot, one side of slot is provided with the cross slot, and the inside of slot is provided with the draw-in bar, the bottom intercommunication of cross slot has the spout, the inside of spout is provided with montant and spring one respectively, smoke alarm's top fixed mounting has contact one, the round hole has been seted up in the middle of the mounting disc, the inside of round hole is provided with ring one and ring two respectively, be connected with spring two between ring one and the ring two, the inside fixed mounting of ring two has contact two.

As a further scheme of the utility model: four mounting plates are fixedly connected to the outer wall of the mounting plate at equal intervals, and mounting bolts are arranged on the mounting plates.

As still further aspects of the utility model: the top of inserted bar is in the inside of slot, and inserted bar and slot looks adaptation, card pole and transverse slot sliding connection, the one end of card pole is in the inside of card hole, and card pole and card hole looks adaptation.

As still further aspects of the utility model: the bottom and the outside intercommunication of spout, the bottom of montant is in the outside of spout, and the top of montant is connected with the bottom of kelly, montant and spout sliding connection, the one end and the montant of spring one are connected, and the other end and the inner wall connection of spout of spring one.

As still further aspects of the utility model: the first circular ring is fixedly connected with the round hole, the second circular ring is in sliding connection with the round hole, the first contact is contacted with the second contact, and the second spring is in an extrusion state.

As still further aspects of the utility model: the second contact is electrically connected with a connecting wire, and the connecting wire is externally connected with commercial power.

Compared with the prior art, the utility model has the beneficial effects that: through slot, cross slot, spout, inserted bar, draw-in hole, draw-in bar, montant and spring one, make things convenient for the installation and the dismantlement of smoke alarm to the convenience overhauls smoke alarm, and through ring one, ring two and spring two, can make contact one and contact two contact offset all the time after smoke alarm installs, thereby guarantees the power supply for smoke alarm.

Drawings

Fig. 1 is a schematic structural view of a building electrical fire alarm.

Fig. 2 is a partial cross-sectional view of a front view of a building electrical fire alarm.

Fig. 3 is a schematic diagram of an enlarged structure of a building electric fire alarm.

Fig. 4 is a schematic diagram of an enlarged B-type construction of an electrical fire alarm for a building.

The marks in the figure: 1. a smoke alarm; 2. a mounting plate; 3. a mounting plate; 4. installing a bolt; 5. a rod; 6. a vertical rod; 7. a first contact; 8. a slot; 9. a transverse groove; 10. a chute; 11. a clamping hole; 12. a clamping rod; 13. a first spring; 14. a round hole; 15. a first circular ring; 16. a second circular ring; 17. a second spring; 18. a second contact; 19. and connecting wires.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in the embodiment of the utility model, the electrical fire alarm for building comprises a smoke alarm 1 and a mounting plate 2, wherein four mounting plates 3 are fixedly connected to the outer wall of the mounting plate 2 at equal intervals, mounting bolts 4 are arranged on the mounting plates 3, the mounting plate 2 is conveniently fixed on a ceiling, inserting rods 5 are symmetrically and fixedly connected to the two sides of the top of the smoke alarm 1, clamping holes 11 are formed in the inserting rods 5, slots 8 are symmetrically arranged on the two sides of the bottom of the mounting plate 2, a transverse slot 9 is arranged on one side of each slot 8, clamping rods 12 are arranged in each slot 8, a sliding slot 10 is communicated with the bottom of each transverse slot 9, a vertical rod 6 and a first spring 13 are respectively arranged in each sliding slot 10, a first contact 7 is fixedly arranged at the top of the smoke alarm 1, the first contact 7 is used for supplying power to the smoke alarm 1, round holes 14 are formed in the middle of the mounting plate 2, a first round ring 15 and a second round ring 16 are respectively arranged in the inner part of the round holes 14, a second spring 17 is connected between the first round ring 15 and the second round ring 16, a second contact 18 is fixedly arranged in the inner part of the round ring 16, a second contact 18 is connected with a wire 19, and a wire 19 is electrically connected to a commercial power.

Referring to fig. 1, 2 and 3, the top of the inserting rod 5 is located inside the slot 8, the inserting rod 5 is matched with the slot 8, the clamping rod 12 is slidably connected with the transverse slot 9, one end of the clamping rod 12 is located inside the clamping hole 11, the clamping rod 12 is matched with the clamping hole 11, the bottom of the sliding chute 10 is communicated with the outside, the bottom of the vertical rod 6 is located outside the sliding chute 10, the top of the vertical rod 6 is connected with the bottom of the clamping rod 12, the vertical rod 6 is slidably connected with the sliding chute 10, one end of the first spring 13 is connected with the vertical rod 6, and the other end of the first spring 13 is connected with the inner wall of the sliding chute 10.

Through slot 8, horizontal groove 9, spout 10, inserted bar 5, draw-in hole 11, draw-in bar 12, montant 6 and spring one 13, make things convenient for the installation and the dismantlement of smoke alarm 1 to the convenience overhauls smoke alarm 1.

Referring to fig. 1, 2 and 4, the first ring 15 is fixedly connected with the circular hole 14, the second ring 16 is slidably connected with the circular hole 14, the first contact 7 is in contact with the second contact 18, and the second spring 17 is in a compressed state.

After the smoke alarm 1 is installed, the first contact 7 and the second contact 18 are always contacted through the first ring 15, the second ring 16 and the second spring 17, so that power supply for the smoke alarm 1 is ensured.

The working principle of the utility model is as follows: firstly, the mounting plate 2 is mounted on a ceiling through the mounting bolt 4 arranged on the mounting plate 3, then a transverse force is applied to the vertical rod 6 to enable the vertical rod 6 to extrude the first spring 13, at the moment, the vertical rod 6 drives the clamping rod 12 to completely enter the transverse groove 9, then the top of the inserting rod 5 is inserted into the slot 8, when the clamping hole 11 is aligned with the clamping rod 12, the first spring 13 drives the vertical rod 6 and the clamping rod 12 to reset, one end of the clamping rod 12 enters the inside of the clamping hole 11, and the inserting rod 5 can be limited in the slot 8, so that the smoke alarm 1 is mounted, the smoke alarm 1 is convenient to mount and dismount, and the smoke alarm 1 is convenient to overhaul; after the smoke alarm 1 is installed, the first contact 7 is contacted with the second contact 18, so that the second spring 17 is in an extrusion state, and the power supply to the smoke alarm 1 is ensured.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a building electrical fire alarm, includes smoke alarm (1) and mounting disc (2), its characterized in that: the smoke alarm is characterized in that the inserting rod (5) is fixedly connected to the two sides of the top of the smoke alarm (1), the clamping holes (11) are formed in the inserting rod (5), the slots (8) are symmetrically formed in the two sides of the bottom of the mounting disc (2), the transverse grooves (9) are formed in one sides of the slots (8), the clamping rods (12) are arranged in the slots (8), the sliding grooves (10) are communicated with the bottoms of the transverse grooves (9), the vertical rods (6) and the first springs (13) are respectively arranged in the sliding grooves (10), the first contacts (7) are fixedly arranged at the top of the smoke alarm (1), the round holes (14) are formed in the middle of the mounting disc (2), the first circular rings (15) and the second circular rings (16) are respectively arranged in the round holes, the second springs (17) are connected between the first circular rings (15) and the second circular rings (16), and the second contacts (18) are fixedly arranged in the inner parts of the second circular rings (16).

2. A building electrical fire alarm as claimed in claim 1, wherein: the outer wall equidistance fixedly connected with four mounting panel (3) of mounting disc (2), be provided with mounting bolt (4) on mounting panel (3).

3. A building electrical fire alarm as claimed in claim 1, wherein: the top of inserted bar (5) is in the inside of slot (8), and inserted bar (5) and slot (8) looks adaptation, draw-in bar (12) and transverse slot (9) sliding connection, the one end of draw-in bar (12) is in the inside of draw-in hole (11), and draw-in bar (12) and draw-in hole (11) looks adaptation.

4. A building electrical fire alarm as claimed in claim 1, wherein: the bottom and the outside intercommunication of spout (10), the bottom of montant (6) is in the outside of spout (10), and the top of montant (6) is connected with the bottom of kelly (12), montant (6) and spout (10) sliding connection, the one end and the montant (6) of spring one (13) are connected, and the other end and the inner wall connection of spout (10) of spring one (13).

5. A building electrical fire alarm as claimed in claim 1, wherein: the first circular ring (15) is fixedly connected with the round hole (14), the second circular ring (16) is slidably connected with the round hole (14), the first contact (7) is contacted with the second contact (18), and the second spring (17) is in an extrusion state.

6. A building electrical fire alarm as claimed in claim 1, wherein: the contact II (18) is electrically connected with a connecting wire (19), and the connecting wire (19) is externally connected with mains supply.