CN217113480U

CN217113480U - Independent smoke detector

Info

Publication number: CN217113480U
Application number: CN202220795043.3U
Authority: CN
Inventors: 左力
Original assignee: Chongqing Caiqiang Intelligent Technology Co ltd
Current assignee: Chongqing Caiqiang Intelligent Technology Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-02
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses an independent smoke detector, which comprises a fixed seat, a shell and a protective cover, wherein the fixed seat is provided with a mounting hole in a circumferential penetrating way; the upper end of the shell is concave inwards to form a battery bin, the lower end of the shell is fixedly connected with the protective cover, and a smoke detector main body is arranged in the shell and is opposite to the protective cover; the upper part of the protective cover is a cylindrical shell, the lower part of the protective cover is a hemispherical shell, and air holes are uniformly distributed in the circumferential direction of the cylindrical shell and the hemispherical shell; sliding grooves are formed in the two sides of the upper portion of the battery compartment in a positive-inward concave mode, the fixed seat protrudes downwards and extends to form a blocking cover, and sliding blocks in sliding fit with the sliding grooves are arranged on the two sides of the blocking cover; the upper end fixed mounting of shell has two forked tail guide rails, the forked tail guide rail is located the both sides of battery compartment, set up on the fixing base with forked tail guide rail sliding fit's dovetail. The independent smoke detector has the advantages of being convenient to disassemble and assemble quickly, stable, reliable and convenient to use.

Description

Independent smoke detector

Technical Field

The utility model relates to a smoke detector technical field especially relates to a stand alone type smoke detector.

Background

The independent smoke detector is generally powered by a 9V laminated battery, is convenient to install and use, can realize independent detection and independent alarm, and does not need to be connected with a fire alarm controller. The smoke generated in the fire can be detected, and the alarm can be given out in time. The device can be widely used for fire safety monitoring in places such as internet bars, dance halls, coffee halls, leisure halls, houses and the like.

At present, stand alone type smoke detector when the installation, generally need to top wall drilling, utilizes the bolt to install the smoke detector main part, perhaps passes through the viscose with the smoke detector main part and is connected with top wall, but it need dismantle when needing to overhaul or change the battery, utilizes bolted connection, and it is inconvenient to lead to dismantling, utilizes the viscose to connect, and the bonding is not firm, drops easily.

Disclosure of Invention

To the not enough of above-mentioned prior art, the technical problem that this patent application will solve provides a quick assembly disassembly of being convenient for, and reliable and stable, stand-alone type smoke detector convenient to use.

In order to solve the technical problem, the utility model discloses a following technical scheme:

an independent smoke detector comprises a fixed seat, a shell and a protective cover, wherein the fixed seat is circumferentially provided with a mounting hole in a penetrating manner; the upper end of the shell is concave inwards to form a battery bin, the lower end of the shell is fixedly connected with the protective cover, and a smoke detector main body is arranged in the shell and is opposite to the protective cover; the upper part of the protective cover is a cylindrical shell, the lower part of the protective cover is a hemispherical shell, and air holes are uniformly distributed in the circumferential direction of the cylindrical shell and the hemispherical shell;

sliding grooves are formed in the two sides of the upper portion of the battery compartment in a positive-inward concave mode, the fixed seat protrudes downwards and extends to form a blocking cover, and sliding blocks in sliding fit with the sliding grooves are arranged on the two sides of the blocking cover; the upper end fixed mounting of shell has two forked tail guide rails, the forked tail guide rail is located the both sides of battery compartment, set up on the fixing base with forked tail guide rail sliding fit's dovetail.

Like this, when the installation, pass through bolt directness and top wall fixed connection with the fixing base, later with casing and protection casing fixed connection, then install the battery in the battery compartment, handheld casing makes progress, and the spout is just to the time with the slider, promotes the casing for in the slider drew into the spout, the completion was to sheltering from of battery compartment, avoided the dust to get into from the upper end, and the forked tail guide rail slips into the dovetail simultaneously, is connected casing and protection casing, improves stability. The cylindrical shell and the hemispherical shell are circumferentially and uniformly distributed with air holes, smoke flows upwards, and after reaching the top wall surface, the smoke starts to horizontally and reversely flow, so that the smoke can conveniently enter the protective cover, and the smoke detector main body can rapidly detect smoke.

The battery compartment fixing device comprises a shell, and is characterized in that a through hole is formed in the shell, a locking block is arranged in the through hole in a sliding fit mode, an inclined plane is arranged on one side, right opposite to the battery compartment, of the locking block, a locking groove matched with the locking block in a plug-in mode is formed in the fixing base, a connecting block is fixed to the lower end of the locking block, an extension spring is sleeved on the outer side of the locking block, the extension spring is located in the through hole, the two ends of the extension spring are fixedly connected with the shell and the connecting block, a pull rod is arranged on the shell in a sliding fit mode, a limiting block is fixed to the outer end of the pull rod, the inner end of the pull rod is connected with the connecting block through a pull rope, a pin shaft is fixedly installed in the shell, and a guide wheel used for guiding the pull rope is installed on the pin shaft through a bearing.

Therefore, when the shell is connected with the fixed seat, the fixed seat can push and compress the locking block until the locking block is opposite to the locking groove, and the locking block resets to enter the locking groove under the action of the extension spring, so that the connection stability is improved; when needs are dismantled, outwards stimulate the stopper and drive the pull rod and remove, and the pull rod drives the stay cord and removes, and then stimulates the locking piece, and the locking piece gets into the perforation, later with the casing with the fixing base separation can.

The side wall of the through hole is concave inwards to form a guide groove, and a guide block in sliding fit with the guide groove is fixed on the connecting block. The locking block is convenient to guide, so that the inclined plane of the locking block is just opposite to the battery bin.

The fan blade protection device comprises a protection cover, a motor support, a motor, a fan blade and a fan blade, wherein the motor support is fixed inside the lower end of the protection cover, the motor is fixedly installed on the motor support, the fan blade is installed on an output shaft of the motor downwards, and an opening is formed in the protection cover and faces the fan blade. The motor drives the fan blades to rotate, so that dust accumulated in the protective cover can be blown out conveniently. Meanwhile, the fan blades rotate to blast air, airflow flowing is accelerated, smoke on the upper portion enters the protective cover more quickly, and detection reliability is improved.

Wherein, the shell and the protective cover are fixedly connected through screws. Is convenient for quick disassembly and maintenance.

In conclusion, the independent smoke detector has the advantages of being convenient to disassemble and assemble quickly, stable, reliable and convenient to use.

Drawings

Fig. 1 is a schematic structural view of a stand-alone smoke detector according to the present invention.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a cross-sectional view of fig. 2.

Fig. 4 is a schematic view of the fixing base of fig. 1.

Fig. 5 is a side view of fig. 4.

Fig. 6 is a cross-sectional view of the housing.

Fig. 7 is a schematic view of a shield.

Fig. 8 is a schematic view of another orientation of fig. 7.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

As shown in fig. 1 to 8, the independent smoke detector comprises a fixed seat 1, a shell 2 and a protective cover 3, wherein a mounting hole 4 is formed in the fixed seat in a circumferential penetrating manner; the upper end of the shell is concave inwards to form a battery bin 5, the lower end of the shell is fixedly connected with the protective cover, and a smoke detector main body (not shown) is arranged in the shell and is opposite to the protective cover; the upper part of the protective cover is a cylindrical shell, the lower part of the protective cover is a hemispherical shell, and air holes 6 are uniformly distributed in the circumferential direction of the cylindrical shell and the hemispherical shell;

sliding grooves 7 are formed in the two sides of the upper part of the battery compartment in a positive-inward concave manner, the fixed seat protrudes downwards and extends to form a blocking cover 8, and sliding blocks 9 in sliding fit with the sliding grooves are arranged on the two sides of the blocking cover; the upper end fixed mounting of shell has two forked tail guide rails 10, the forked tail guide rail is located the both sides of battery compartment, seted up on the fixing base with forked tail guide rail sliding fit's dovetail 11.

Like this, when the installation, pass through bolt directness and top wall fixed connection with the fixing base, later with casing and protection casing fixed connection, then install battery 21 in the battery compartment, handheld casing makes progress, and the spout is just to the time with the slider, promotes the casing for in the slider drew into the spout, the completion was to sheltering from of battery compartment, avoided the dust to get into from the upper end, and the forked tail guide rail slips into the dovetail simultaneously, is connected casing and protection casing, improves stability. The cylindrical shell and the hemispherical shell are circumferentially and uniformly distributed with air holes, smoke flows upwards, and after reaching the top wall surface, the smoke starts to horizontally and reversely flow, so that the smoke can conveniently enter the protective cover, and the smoke detector main body can rapidly detect smoke. The quick replacement battery of being convenient for, it is convenient to dismantle simultaneously, and stability is high.

In this embodiment, be provided with the perforation on the shell, sliding fit has lock block 12 in the perforation, the lock block is just being provided with inclined plane 13 to one side of battery compartment, the fixing base is provided with 14 with lock block grafting complex lock groove, the lower extreme of lock block is fixed with connecting block 15, extension spring 16 has been cup jointed in the outside of lock block, extension spring is located the perforation and its both ends and shell and connecting block fixed connection, sliding fit has pull rod 17 on the shell, the outer end of pull rod is fixed with stopper 18, the inner of pull rod passes through stay cord 19 with the connecting block and is connected, fixed mounting has the round pin axle in the shell, install guide pulley 20 that is used for leading the stay cord through the bearing on the round pin axle.

In this embodiment, the side wall of the through hole is recessed to form a guide groove, and the connecting block is fixed with a guide block in sliding fit with the guide groove. The locking block is convenient to guide, so that the inclined plane of the locking block is just opposite to the battery bin.

In this embodiment, a motor support 22 is fixed inside the lower end of the protective cover, a motor 23 is fixedly installed on the motor support, a fan blade 24 is installed downwards on an output shaft of the motor, and an opening is formed in the protective cover and faces the fan blade. The motor drives the fan blades to rotate, so that dust accumulated in the protective cover can be blown out conveniently. Meanwhile, the fan blades rotate to blast air, airflow flowing is accelerated, smoke on the upper portion enters the protective cover more quickly, and detection reliability is improved.

In this embodiment, the housing and the shield are fixedly connected by screws. Is convenient for quick disassembly and maintenance.

Specifically, the smoke detector main body is of an existing structure, independent detection and independent alarm can be achieved, and connection with a fire alarm controller is not needed. The smoke generated in the fire can be detected, and the alarm can be given out in time. The specific structure and model are not described, and the selection is carried out according to the actual requirement.

The principle is as follows:

when the installation, pass through bolt directness and top wall fixed connection with the fixing base, later with casing and protection casing fixed connection, then install the battery in the battery compartment, handheld casing makes progress, and the spout is just to the time with the slider, promotes the casing for in the slider drew into the spout, accomplish sheltering from to the battery compartment, avoid the dust to get into from the upper end, the forked tail guide rail cunning dovetail simultaneously is connected casing and protection casing, improvement stability. The cylindrical shell and the hemispherical shell are circumferentially and uniformly distributed with air holes, smoke flows upwards, and after reaching the top wall surface, the smoke starts to horizontally and reversely flow, so that the smoke can conveniently enter the protective cover, and the smoke detector main body can rapidly detect smoke. The quick replacement battery of being convenient for, it is convenient to dismantle simultaneously, and stability is high.

Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, to the extent that such modifications and variations of the present invention fall within the scope of the present claims and their equivalents, it is intended that the present invention encompass such modifications and variations as well.

Claims

1. An independent smoke detector is characterized by comprising a fixed seat (1), a shell (2) and a protective cover (3), wherein a mounting hole (4) penetrates through the fixed seat in the circumferential direction; the upper end of the shell is concave to form a battery compartment (5), the lower end of the shell is fixedly connected with the protective cover, and a smoke detector main body is arranged in the shell and is opposite to the protective cover; the upper part of the protective cover is a cylindrical shell, the lower part of the protective cover is a hemispherical shell, and air holes (6) are uniformly distributed in the circumferential direction of the cylindrical shell and the hemispherical shell;

sliding grooves (7) are formed in the two sides of the upper portion of the battery compartment in a forward-inward concave mode, the fixing seat protrudes downwards to extend to form a blocking cover (8), and sliding blocks (9) in sliding fit with the sliding grooves are arranged on the two sides of the blocking cover; the upper end fixed mounting of shell has two forked tail guide rails (10), the forked tail guide rail is located the both sides of battery compartment, seted up dovetail (11) with forked tail guide rail sliding fit on the fixing base.

2. A free standing smoke detector according to claim 1 wherein said housing is provided with perforations, a locking block (12) is in sliding fit in the through hole, an inclined plane (13) is arranged on one side of the locking block, which is opposite to the battery bin, the fixed seat is provided with a locking groove (14) which is matched with the locking block in an inserting way, the lower end of the locking block is fixed with a connecting block (15), an extension spring (16) is sleeved on the outer side of the locking block, the extension spring is positioned in the through hole, and two ends of the extension spring are fixedly connected with the shell and the connecting block, a pull rod (17) is matched on the shell in a sliding way, a limiting block (18) is fixed at the outer end of the pull rod, the inner end of the pull rod is connected with the connecting block through a pull rope (19), a pin shaft is fixedly arranged in the shell, and a guide wheel (20) for guiding the pull rope is arranged on the pin shaft through a bearing.

3. A free standing smoke detector according to claim 2 wherein the side walls of the perforations are recessed to form channels and the connector block holds guide shoes which slidably engage the channels.

4. A free standing smoke detector according to claim 1 wherein a motor support (22) is fixed to the interior of the lower end of the hood, a motor (23) is fixed to the motor support, a fan blade (24) is mounted downwardly from the output shaft of the motor, and the hood is open to the fan blade.

5. A free standing smoke detector according to claim 1 wherein the housing and shield are fixedly attached by screws.