CN218630978U

CN218630978U - Fire alarm device for construction

Info

Publication number: CN218630978U
Application number: CN202223244965.4U
Authority: CN
Inventors: 王成林; 朱明滨
Original assignee: Henan Hengyuan Hengshan Construction Co ltd
Current assignee: Henan Hengyuan Hengshan Construction Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-03-14
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a fire alarm device for construction relates to fire alarm technical field, including smoke alarm shell and dead lever, the inside of smoke alarm shell is rotated and is connected with reciprocal lead screw, and the surface threaded connection of reciprocal lead screw has screw nut, and screw nut's one side fixedly connected with cleaning ring, the fixed surface of reciprocal lead screw is connected with driven gear, and servo motor is installed to the last top wall of smoke alarm shell. The utility model discloses a cover, reciprocal lead screw, screw nut, clean ring, driven gear, servo motor, driving gear, dust outlet and time switch are shielded in the setting, make this fire alarm device for construction can be adapted to that kind of scene that the dust is big in building construction place, possessed the automatic function that covers the cover surface dust of clearance, long-time use can not influence the sensitivity at induction center, can guarantee that this fire alarm device in time discovers the condition of a fire, timely alarm, very use.

Description

Fire alarm device for building construction

Technical Field

The utility model relates to a fire alarm technical field specifically is a fire alarm device for construction.

Background

With the development of economic construction in China, the fire safety requirements are increasingly urgent in special places playing a vital role in national economy and social life, such as computing centers, image-text archive information centers, post and telecommunications communication hubs, integrated circuit production workshops, nuclear power stations, large-scale modern dispatching control centers, intelligent building control centers, modern medical institutions and the like. Therefore, the fire detection and alarm problem of the construction site becomes one of the key points of fire safety; therefore, smoke alarms, which are also called fire smoke alarms, smoke sensors and the like, are installed in these places, are powered by buses, and a plurality of smoke alarms, which are networked with a fire alarm controller and communicated to form an alarm system.

But a quick assembly disassembly's fire alarm device that discloses in chinese utility model patent application publication specification CN215764192U, including the mount pad, the lower fixed surface of mount pad is connected with the connecting block, the one end fixedly connected with casing of connecting block, vertical rectangular channel has been seted up to the inside of casing, horizontal arc wall has been seted up near vertical rectangular channel to the inside of casing. This but quick assembly disassembly's fire alarm device, through the mount pad, the connection pad, spacing seat, a spring, the spacing groove, the setting of spacing dish and arc lug isotructure, upwards promote the spliced pole and make spacing dish pass through the inside that vertical rectangular channel got into the casing, then the level rotates the fire alarm device body, when spacing dish contacts spacing seat, spacing seat moves down, spacing dish continues to rotate behind the position that spacing seat does not contact with spacing dish, receive reset spring's spring action, make spacing dish joint in spacing inslot, thereby can install the fire alarm device body, although the utility model provides a high installation and dismantlement speed of fire alarm device, but this utility model can not be adapted to the big scene of dust in the building construction place, dust in the air can be blockked outside by the outlying shelter of induction center, but the dust can amass around the shelter, influence the sensitivity of induction center, the time of mistake delay condition discovery, produce inconvenient loss, and this utility model discloses irreversible shift position, with fire alarm device transfer to the position of placing electrical apparatus and material, it is very inconvenient.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a fire alarm device for construction has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a fire alarm device for construction, includes smoke alarm shell and dead lever, the inside of smoke alarm shell is rotated and is connected with reciprocal lead screw, the surface threaded connection of reciprocal lead screw has screw nut, the clean ring of one side fixedly connected with of screw nut, the surface fixed connection of reciprocal lead screw has driven gear, servo motor is installed to the last top wall of smoke alarm shell, servo motor's output fixedly connected with driving gear, driven gear is connected with driving gear meshing, the last fixed surface of smoke alarm shell is connected with the fixed plate, the fixed orifices has been seted up to the surface of fixed plate, peg graft in the fixed orifices in the upper end of dead lever, the surface threaded connection of dead lever has fixed sleeve.

Optionally, a shielding cover is installed inside the smoke alarm housing, the number of the reciprocating lead screws is two, and the two reciprocating lead screws are respectively rotatably arranged on two sides of the shielding cover.

Optionally, the screw nut is movably arranged outside the shielding cover along the reciprocating screw direction, the cleaning ring is in a circular ring shape and is sleeved outside the shielding cover, a brush is mounted on one side of the cleaning ring close to the shielding cover, and the outer end of the brush is abutted to the outer surface of the shielding cover.

Optionally, the driven gear rotates and is arranged on the upper portion of the shielding cover, the driving gear rotates and is arranged on the upper portion of the shielding cover, a timing switch is fixedly mounted on the lower surface of the shell of the smoke alarm, and the timing switch is electrically connected with the servo motor through a wire.

Optionally, a dust outlet is formed in the lower surface of the smoke alarm shell, the dust outlet is arranged on the outer side of the timing switch, and the cleaning ring is arranged right above the dust outlet in a sliding mode along the direction of the reciprocating screw rod.

Optionally, the lower surface of the fixing plate is fixedly connected with a rolling bearing, the outer surface of the fixing rod is fixedly connected with the inner ring surface of the rolling bearing, a rotating notch is formed in the lower surface of the fixing rod, and the rotating notch is hexagonal.

Optionally, the outer surface of the fixing rod is provided with a forward thread and a reverse thread, the forward thread and the reverse thread are respectively arranged at two ends of the fixing rod, and the inner walls at two ends of the fixing sleeve are respectively provided with threads matched with the forward thread and the reverse thread.

Optionally, expansion openings are formed in the middle of the fixing sleeve, the number of the expansion openings is a plurality, the expansion openings are distributed in an annular array, and the fixing sleeve is made of alloy steel.

(III) advantageous effects

The utility model provides a fire alarm device for construction possesses following beneficial effect:

1. according to the fire alarm device for building construction, the shielding cover, the reciprocating screw rod, the screw nut, the cleaning ring, the driven gear, the servo motor, the driving gear, the dust outlet and the timing switch are arranged, so that the fire alarm device for building construction can adapt to a scene with large dust in a building construction site, has the function of automatically cleaning the dust on the surface of the shielding cover, cannot influence the sensitivity of an induction center after being used for a long time, can ensure that the fire alarm device can find a fire in time and give an alarm in time, and is extremely used;

2. this fire alarm device for construction through setting up fixed plate, dead lever, forward thread, reverse thread, fixed sleeving, inflation opening and antifriction bearing, makes this fire alarm device for construction possess the function of making things convenient for the shift position, can shift fire alarm device to the position of being under construction and placing electrical apparatus and material fast, very makes things convenient for and uses in the building construction place to fixed mode is simple, is worth promoting.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

fig. 3 is a schematic view of the cleaning mechanism of the present invention;

FIG. 4 is a front view of the fixing mechanism of the present invention;

fig. 5 is an enlarged structural diagram of the local a of the present invention.

In the figure: 1. a smoke alarm housing; 2. a shielding cover; 3. a reciprocating screw; 4. a lead screw nut; 5. cleaning the ring; 6. a driven gear; 7. a servo motor; 8. a driving gear; 9. a dust outlet; 10. a timing switch; 11. a fixing plate; 12. fixing the rod; 1201. a positive thread; 1202. reverse screw threads; 1203. rotating the notch; 13. fixing the sleeve; 1301. an expansion opening; 14. a fixing hole; 15. a rolling bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a fire alarm device for construction, including smoke alarm shell 1 and dead lever 12, smoke alarm shell 1's internal rotation is connected with reciprocal lead screw 3, smoke alarm shell 1's internally mounted shields cover 2, the quantity of reciprocal lead screw 3 is two, two reciprocal lead screw 3 rotate respectively and set up in the both sides of shielding cover 2, the surface threaded connection of reciprocal lead screw 3 has lead screw nut 4, one side fixedly connected with cleaning ring 5 of lead screw nut 4, lead screw nut 4 sets up in the outside of shielding cover 2 along reciprocal lead screw 3 direction activity, the shape of cleaning ring 5 is the ring, and the cover is in the outside of shielding cover 2, cleaning ring 5 is close to one side of shielding cover 2 and installs the brush, the outer end of brush and the surface butt that shields cover 2, the surface fixed connection of reciprocal lead screw 3 has driven gear 6, servo motor 7 is installed to the last top wall of smoke alarm shell 1, servo motor 7's output fixedly connected with driving gear 8, driven gear 6 is connected with the meshing of driving gear 8, driven gear 6 rotates and sets up in the upper portion that shields cover 2, driving gear 8 rotates and shields the upper portion that sets up in the dust cover 2, the lower surface of dust cover 2 is shielded to the fixed surface of smoke alarm shell 1, the fixed mounting has time switch 10, the time switch and the positive electric connection of the positive side of the clean lead screw 9 of the dust outlet 9 of the reciprocating switch 9, the reciprocating switch of the dust outlet is set up in the dust outlet 9, the smoke alarm shell 9.

When the fire alarm device is used, the induction center of the smoke alarm device is installed in the shielding cover 2, the concentration of smoke is induced through openings distributed on the surface of the shielding cover 2 to trigger the alarm mechanism, the shielding cover 2, the reciprocating screw rod 3, the screw nut 4, the cleaning ring 5, the driven gear 6, the servo motor 7, the driving gear 8, the dust outlet 9 and the timing switch 10 are arranged, so that the fire alarm device for building construction can adapt to a scene with large dust in a building construction site, the external dust is blocked on the surface of the shielding cover 2 by the shielding cover 2, the starting and closing time is set by the timing switch 10, the servo motor 7 is started at the time, the driving gear 8 is driven by the servo motor 7 to rotate, the driving gear 8 drives the driven gears 6 on two sides to rotate to drive the reciprocating screw rods 3 on two sides of the shielding cover 2, the screw nut 4 drives the cleaning ring 5 to slide up and down on the surface of the shielding cover 2, a hairbrush on the cleaning ring 5 cleans the dust on the surface of the shielding cover 2, the dust on the dust outlet 9 falls to the outside of the fire alarm device, after the dust is cleaned for a period, the fire alarm device is stopped under the setting of the timing switch 10, the servo motor 7, the function of cleaning the surface is automatically, the shielding cover, the fire alarm device can not be used for a long time, and the fire alarm device can be used.

Example 2

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a fire alarm device for construction, the last fixed surface of smoke alarm shell 1 is connected with fixed plate 11, fixed orifices 14 have been seted up to the surface of fixed plate 11, peg graft in fixed orifices 14 the upper end of dead lever 12, the lower fixed surface of fixed plate 11 is connected with antifriction bearing 15, the surface of dead lever 12 is connected with antifriction bearing 15's inner ring fixed surface, rotation notch 1203 has been seted up to the lower surface of dead lever 12, the shape that rotates notch 1203 is the hexagon, the surface threaded connection of dead lever 12 has fixed sleeve 13, the surface of dead lever 12 is provided with forward thread 1201 and reverse thread 1202, forward thread 1201 and reverse thread 1202 set up respectively in the both ends of dead lever 12, be equipped with respectively on the inner wall at fixed sleeve 13 both ends with forward thread 1201 and reverse thread 1202 assorted screw thread, inflation opening 1301 has been seted up at the middle part of fixed sleeve 13, the quantity of inflation opening 1301 is a plurality of, a plurality of inflation opening 1301 is annular array distributes, the material of fixed sleeve 13 is alloy steel.

When the fire alarm device is used, four holes matched with the size of the fixing sleeve 13 are drilled in a wall surface or a roof by using an electric drill, the fixing plate 11, the fixing rod 12, the forward screw thread 1201, the reverse screw thread 1202, the fixing sleeve 13, the expansion opening 1301 and the rolling bearing 15 are arranged, so that the fire alarm device for building construction has the function of conveniently moving the position, then the smoke alarm device shell 1 is lifted, the upper end of the fixing rod 12 is inserted into the hole until the fixing plate 11 abuts against the wall, the fixing rod 12 is rotated by using an inner hexagonal wrench and is inserted into the rotating notch 1203, the fixing sleeve 13 cannot rotate due to the friction force between the outer surface of the fixing sleeve 13 and the inner wall of the wall hole in the rotating process of the fixing rod 12, under the action of the forward screw thread 1201 and the reverse screw thread 1202, the two ends of the fixing sleeve 13 are extruded towards the middle part, the expansion opening 1301 is extruded outwards expanded in the extruding process, so that the smoke alarm device is fixed, when the smoke alarm device is required to be detached, the fixing rod 12 is reversely rotated, the two ends of the fixing sleeve 13 are stretched towards the middle part under the action of the forward screw thread 1201 and the expansion opening, the expansion opening can be pulled to be conveniently moved to the building construction site, and the construction site can be conveniently used, and the construction site can be conveniently moved to be used.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fire alarm device for construction, includes smoke alarm shell (1) and dead lever (12), its characterized in that: the inside of smoke alarm shell (1) is rotated and is connected with reciprocal lead screw (3), the surface threaded connection of reciprocal lead screw (3) has lead screw nut (4), clean ring (5) of one side fixedly connected with of lead screw nut (4), the surface fixed connection of reciprocal lead screw (3) has driven gear (6), servo motor (7) are installed to the last top wall of smoke alarm shell (1), the output fixedly connected with driving gear (8) of servo motor (7), driven gear (6) are connected with driving gear (8) meshing, the last fixed surface of smoke alarm shell (1) is connected with fixed plate (11), fixed orifices (14) have been seted up to the surface of fixed plate (11), peg graft in fixed orifices (14) in the upper end of dead lever (12), the surface threaded connection of dead lever (12) has fixed sleeve (13).

2. A fire alarm device for building construction as claimed in claim 1, wherein: the smoke alarm is characterized in that a shielding cover (2) is arranged inside the smoke alarm shell (1), the number of the reciprocating lead screws (3) is two, and the reciprocating lead screws (3) are respectively arranged on two sides of the shielding cover (2) in a rotating mode.

3. A fire alarm device for building construction as claimed in claim 2, wherein: the lead screw nut (4) is movably arranged outside the shielding cover (2) along the direction of the reciprocating lead screw (3), the cleaning ring (5) is in a circular ring shape and is sleeved outside the shielding cover (2), a brush is installed on one side, close to the shielding cover (2), of the cleaning ring (5), and the outer end of the brush is abutted to the outer surface of the shielding cover (2).

4. A fire alarm device for building construction as claimed in claim 3, wherein: driven gear (6) rotate to set up in the upper portion that shields cover (2), driving gear (8) rotate to set up in the upper portion that shields cover (2), the lower fixed surface of smoke alarm shell (1) installs time switch (10), time switch (10) pass through wire and servo motor (7) electric connection.

5. A fire alarm device for building construction according to claim 4, characterized in that: dust outlet (9) have been seted up to the lower surface of smoke alarm shell (1), dust outlet (9) examine to set up in the outside of time switch (10), clean ring (5) slide along reciprocal lead screw (3) direction and set up directly over dust outlet (9).

6. A fire alarm device for building construction according to claim 5, characterized in that: the lower fixed surface of fixed plate (11) is connected with antifriction bearing (15), the surface of dead lever (12) and the inner ring fixed surface of antifriction bearing (15) are connected, rotation notch (1203) has been seted up to the lower surface of dead lever (12), the shape of rotation notch (1203) is the hexagon.

7. A fire alarm device for building construction as claimed in claim 6, wherein: the outer surface of the fixing rod (12) is provided with a forward thread (1201) and a reverse thread (1202), the forward thread (1201) and the reverse thread (1202) are respectively arranged at two ends of the fixing rod (12), and the inner walls of two ends of the fixing sleeve (13) are respectively provided with threads matched with the forward thread (1201) and the reverse thread (1202).

8. A fire alarm device for building construction as claimed in claim 7, wherein: expansion openings (1301) are formed in the middle of the fixed sleeve (13), the expansion openings (1301) are distributed in a plurality of numbers, the expansion openings (1301) are distributed in an annular array, and the fixed sleeve (13) is made of alloy steel.