CN219642354U

CN219642354U - Indoor fire detector

Info

Publication number: CN219642354U
Application number: CN202320681792.8U
Authority: CN
Inventors: 张红颖; 崔丽丽; 杨爱荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-09-05
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses an indoor fire detector, which belongs to the field of fire detectors and comprises an installation top shell, wherein a connecting plate is installed at the bottom of the installation top shell, a bottom installation cover is installed at the top of the connecting plate, an assembly bin is arranged on the inner side of the installation top shell, a connecting structure is arranged on the inner side of the assembly bin and used for driving the installation top shell to be connected with the connecting plate, the connecting structure comprises a fixed ring, a rotating column is rotatably connected on the inner side of the fixed ring, a reset piece is arranged between the fixed ring and the rotating column and used for driving the rotating column to reset, a plurality of connecting clamping strips are fixed on the outer side of the rotating column, and a clamping assembly is arranged between the top of the connecting plate and the connecting clamping strips and used for clamping the connecting plate; the fixing device can fix the main body without using fixing tools such as screws or glue, so that the mounting and dismounting processes are simplified, and the ceiling is not damaged.

Description

Indoor fire detector

Technical Field

The utility model relates to the field of fire detectors, in particular to an indoor fire detector.

Background

An indoor fire detector is a device capable of giving an alarm in time when a fire occurs indoors, and is usually installed on a ceiling so as to monitor parameters such as smoke, temperature, light radiation, etc.;

the existing indoor fire detector usually adopts a fixed or plug-in mounting mode, but the mounting modes have certain defects, for example, the fixed mounting mode needs to use screws or glue to fix the detector on a ceiling, so that the mounting cost and time are increased, and the detector is difficult to detach when water leakage occurs in the ceiling or the ceiling needs to be repaired; the plug-in mounting mode can conveniently plug in or plug out the detector from the power receiving base assembly, but the problems of poor contact, looseness and the like are also easy to cause;

therefore, there is a need to provide a new type of indoor fire detector.

Disclosure of Invention

Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide an indoor fire detector which can fix a main body without using a screw or a fixing tool such as glue, thereby simplifying the process of installation and disassembly, saving cost and time and avoiding damaging a ceiling.

Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides an indoor fire detector, includes the installation top shell, the connecting plate is installed to the bottom of installation top shell, the bottom installation cover is installed at the top of connecting plate, the inboard of installation top shell is provided with the assembly storehouse, the inboard of assembly storehouse is provided with connection structure, connection structure is used for the drive the installation top shell with the connecting plate is connected.

Further, the connecting structure comprises a fixed ring, the inner side of the fixed ring is rotationally connected with a rotating column, a reset piece is arranged between the fixed ring and the rotating column, and the reset piece is used for driving the rotating column to reset;

the outside of the rotation post is fixed with a plurality of connection clamping bars, be provided with the joint subassembly between the top of connecting plate with connect the clamping bar, the joint subassembly is used for the chucking the connecting plate.

Further, the clamping assembly comprises sliding blocks, the number of the sliding blocks is the same as that of the connecting clamping strips, the positions of the sliding blocks correspond to that of the connecting clamping strips, the sliding blocks are rotationally connected to the tops of the connecting plates, clamping blocks are fixed to the tops of the sliding blocks, and corresponding second inclined planes and first inclined planes are respectively arranged between the clamping blocks and the connecting clamping strips.

Further, a sliding groove corresponding to the clamping block is formed in the inner side of the mounting top shell, and a connecting groove corresponding to the sliding block extends out of one side of the sliding groove.

Further, the lower extreme at fixture block top is provided with the second platform, the upper end of connecting the card strip bottom is provided with the corresponding first platform of second platform.

Further, the reset key is a torsion spring, the torsion spring is fixed on the inner side of the fixed ring, and the torsion spring is connected with the rotating column.

Advantageous effects

Compared with the prior art, the utility model has the advantages that:

after the clamping block is inserted into the inner side of the sliding groove, the connecting clamping strip can be driven, the connecting clamping strip is slightly rotated, after the clamping block is completely inserted into the inner side of the sliding groove, the connecting clamping strip is reset, the clamping block and the sliding block are driven to slide to the inner side of the connecting groove to be clamped, fixing tools such as screws or glue are not needed, the main body can be fixed, the installation and detachment process is simplified, the cost and time are saved, and the damage to a ceiling can be avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model between the locking block, the sliding groove and the rotating post;

FIG. 3 is a schematic view of the structure of the first platform, the second platform and the sliding block;

fig. 4 is a schematic structural view of the fixing ring, the rotating column and the torsion spring.

The reference numerals in the figures illustrate:

1. installing a top shell; 2. a connecting plate; 3. a bottom mounting cover; 4. assembling a bin; 5. a fixing ring; 6. rotating the column; 7. connecting the clamping strips; 8. a clamping block; 9. a slide block; 10. a first inclined surface; 11. a second inclined surface; 12. a first platform; 13. a sliding groove; 14. a connecting groove; 15. a torsion spring; 16. a second platform.

Detailed Description

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; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1-4, an indoor fire detector is disclosed, which is based on the principle that an internal sensor detects smoke, flame, temperature and other fire signs and sends out an alarm signal to the outside to remind people to take measures in time, and the common fire detector has photoelectric type, ion type, thermosensitive type and other types, wherein the photoelectric type fire detector adopts the photoelectric principle, the internal sensor is composed of a transmitter and a receiver, the transmitter inputs a beam of infrared rays or visible rays into a detection chamber, when the smoke enters the detection chamber, the light is scattered, and the scattered light is received by the receiver, so that an alarm is triggered;

the ionic fire detector uses radioactive isotopes, and when the ion concentration in the air changes, the flow of current is changed, so that an alarm signal is sent out;

the heat sensitive fire detector detects the temperature change of the surrounding environment to identify the fire sign and trigger an alarm. The internal sensor is generally composed of a temperature sensitive resistor, a temperature compensation circuit, an amplifier and the like;

the sensors are all required to be installed on a ceiling through an installation component;

the application is including installing top shell 1, and connecting plate 2 is installed to the bottom of installing top shell 1, and bottom installation cover 3 is installed at the top of connecting plate 2, and the inboard of installing top shell 1 is provided with assembly storehouse 4, and the inboard of assembly storehouse 4 is provided with connection structure, and connection structure is used for driving installation top shell 1 and connecting plate 2 to connect.

Referring to fig. 2, the connection structure includes a fixing ring 5, a rotating column 6 is rotatably connected to the inner side of the fixing ring 5, and a reset member is disposed between the fixing ring 5 and the rotating column 6, and is used for driving the rotating column 6 to reset, after a clamping block 8 is inserted into the inner side of the top mounting shell 1, a connection clamping strip 7 can be driven, so that the connection clamping strip 7 slightly rotates, after the clamping block 8 is completely inserted into the inner side of the top mounting shell 1, the connection clamping strip 7 resets, and drives the clamping block 8 and a sliding block 9 to slide to a clamped position on the top mounting shell 1 for clamping, so that the connection plate 2 and the bottom mounting shell 3 are conveniently mounted on the top mounting shell 1;

the outside of the rotation column 6 is fixed with a plurality of connection clamping strips 7, is provided with the joint subassembly between the top of connecting plate 2 and the connection clamping strip 7, and the joint subassembly is used for chucking connecting plate 2.

Referring to fig. 3, the clamping assembly includes sliders 9 with the same number and corresponding positions as the connecting clamping strips 7, the sliders 9 are rotatably connected to the top of the connecting plate 2, clamping blocks 8 are fixed at the top of the sliders 9, the resetting piece is a torsion spring 15, the torsion spring 15 is fixed on the inner side of the fixed ring 5, and the torsion spring 15 is connected with the rotating column 6, by the arrangement, the connecting clamping strips 7 are not pressed by the clamping blocks 8 after rotating, and the connecting clamping strips 7 are reset through the torsion spring 15;

the inside of the installation top shell 1 is provided with a sliding groove 13 corresponding to the clamping block 8, one side of the sliding groove 13 extends to form a connecting groove 14 corresponding to the sliding block 9, the aperture of the sliding groove 13 is larger than that of the connecting groove 14, the clamping block 8 is limited, a corresponding second inclined plane 11 and a corresponding first inclined plane 10 are respectively arranged between the clamping block 8 and the connecting clamping strip 7, when the clamping block 8 moves upwards, the second inclined plane 11 can be driven to move upwards, and through the arrangement of the inclined planes of the second inclined plane 11 and the first inclined plane 10, the second inclined plane 11 can drive the first inclined plane 10 to move to one side, so that the connecting clamping strip 7 slightly rotates, and after the rotation is completed, the connecting clamping strip 7 is clamped into the inside of the connecting groove 14 through the sliding block 9.

Referring to fig. 3, the lower end of the top of the clamping block 8 is provided with a second platform 16, the upper end of the bottom of the connecting clamping strip 7 is provided with a first platform 12 corresponding to the second platform 16, by this arrangement, after the clamping block 8 moves up to a certain extent, the second platform 16 and the first platform 12 can be clamped with each other, so that the situation that the clamping block 8 moves to the top of the connecting clamping strip 7 is prevented.

Working principle:

when the device is used by a user, the connecting plate 2 is aligned to the installation top shell 1, the clamping block 8 is inserted into the inner side of the sliding groove 13, after the clamping block 8 is inserted into the inner side of the sliding groove 13, the connecting clamping strip 7 can be driven, the connecting clamping strip 7 is further enabled to slightly rotate, after the clamping block 8 is completely inserted into the inner side of the sliding groove 13, the connecting clamping strip 7 is reset, the clamping block 8 and the sliding block 9 are driven to slide into the inner side of the connecting groove 14 to be clamped, and therefore the connecting plate 2 and the bottom installation cover 3 are conveniently installed on the installation top shell 1.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. An indoor fire detector comprising a mounting top shell (1), characterized in that: the bottom of the installation top shell (1) is provided with a connecting plate (2), the top of the connecting plate (2) is provided with a bottom installation cover (3), the inner side of the installation top shell (1) is provided with an assembly bin (4), the inner side of the assembly bin (4) is provided with a connecting structure, and the connecting structure is used for driving the installation top shell (1) to be connected with the connecting plate (2);

the connecting structure comprises a fixed ring (5), wherein a rotating column (6) is rotatably connected to the inner side of the fixed ring (5), and a reset piece is arranged between the fixed ring (5) and the rotating column (6) and used for driving the rotating column (6) to reset;

the outside of turning post (6) is fixed with a plurality of connection card strip (7), the top of connecting plate (2) with be provided with joint subassembly between connection card strip (7), joint subassembly is used for the chucking connecting plate (2).

2. An indoor fire detector according to claim 1, wherein: the clamping assembly comprises sliding blocks (9) which are the same in number and corresponding to the connecting clamping strips (7), the sliding blocks (9) are rotationally connected to the top of the connecting plate (2), clamping blocks (8) are fixed to the top of the sliding blocks (9), and corresponding second inclined planes (11) and first inclined planes (10) are respectively arranged between the clamping blocks (8) and the connecting clamping strips (7).

3. An indoor fire detector according to claim 2, wherein: the inner side of the installation top shell (1) is provided with a sliding groove (13) corresponding to the clamping block (8), and one side of the sliding groove (13) extends out to form a connecting groove (14) corresponding to the sliding block (9).

4. An indoor fire detector according to claim 2, wherein: the lower extreme at fixture block (8) top is provided with second platform (16), the upper end of connecting card strip (7) bottom is provided with first platform (12) corresponding with second platform (16).

5. An indoor fire detector according to claim 2, wherein: the reset piece is a torsion spring (15), the torsion spring (15) is fixed on the inner side of the fixed ring (5), and the torsion spring (15) is connected with the rotating column (6).