Fire smoke alarm

Abstract

The utility model relates to the technical field of smoke alarms, and discloses a fire smoke alarm, which comprises an installation disc, and further comprises fixing frames which are symmetrically arranged at the bottom of the installation disc, installation plates are arranged in the two fixing frames, the bottoms of the two installation plates are fixedly connected with an alarm body, and the alarm body is fixedly connected with the installation disc. Heat dissipation holes are formed in the bottom of the alarm body at equal intervals, and smoke inlet grooves are formed in the outer portion of the alarm body at equal intervals. According to the utility model, through the arrangement of the installation assembly, workers can conveniently disassemble and assemble the alarm body, the disassembly and assembly efficiency of the alarm body is effectively improved, the workload of the workers is reduced, and through the arrangement of the dustproof assembly, the alarm body can be effectively subjected to dustproof protection treatment; impurities such as dust in the external environment are prevented from entering the alarm body through the heat dissipation holes and the smoke inlet groove, and the service life of the alarm body is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to smoke alarm technology field, specifically, relate to fire smoke alarm. BACKGROUND

[0002] The smoke alarm is actually the alias of the smoke alarm, and the smoke alarm is used for fire prevention by monitoring the concentration of smoke, which is generally divided into two kinds of combustible gas alarm and non-combustible gas alarm, and the fire smoke alarm is needed when monitoring and processing the fire.

[0003] The traditional smoke alarm is generally installed by bolts or magnets, although both ways can effectively fix and install the smoke alarm, but a large number of bolts are used to install the smoke alarm with special tools, which is time-consuming and laborious, not only reduces the dismounting efficiency of the smoke alarm, but also increases the work burden of the staff, and the magnet is used to install the smoke alarm, and the magnetic force will weaken after long time use, which will cause the smoke alarm to fall off and other conditions, so as to cause the damage of the smoke alarm, affect the normal use of the smoke alarm, and the traditional smoke alarm mostly does not have effective dustproof structure, so that the dust and impurities in the external environment enter the internal part of the smoke alarm through the heat dissipation hole and the smoke inlet slot, which will cause damage to the electronic components in the internal part of the smoke alarm, and will also affect the normal use effect of the smoke alarm.

[0004] Therefore, the fire smoke alarm is provided by the person skilled in the art to solve the problems in the background art. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing fire smoke alarm, including installation disc, still including:

[0006] Fixed frame, symmetrically arranged at the bottom of the installation disc, the inside of two fixed frames is equipped with installation plate, the bottom of two installation plates is fixedly connected with alarm body, the bottom of the alarm body is equipped with heat dissipation hole at equal interval, the outside of the alarm body is equipped with smoke inlet slot at equal interval;

[0007] Installation assembly is arranged outside two fixed frames respectively;

[0008] Fixed ring, fixedly connected outside the alarm body;

[0009] Dustproof assembly is arranged inside the fixed ring.

[0010] As a further improvement of the technical solution, the mounting assembly comprises fixed plates fixedly connected to the outside of the two fixed frames respectively, a sliding rod is fixedly connected to the inside of the fixed plate, a resisting plate is arranged in the inside of the fixed plate, a guide groove for the sliding movement of the sliding rod is formed in the inside of the resisting plate, a return spring is sleeved on the outside of the sliding rod, the return spring is in abutment between the resisting plate and the fixed plate, a side plate is symmetrically arranged on one side of the resisting plate, a pull plate is fixedly connected to the outside of every two side plates, a fixed rod is symmetrically arranged on the other side of the resisting plate, a guide groove for the sliding movement of the fixed rod is formed in the contact surface of the fixed plate and the fixed frame, and a guide groove for the sliding movement of the fixed rod is formed in the inside of the mounting plate.

[0011] As a further improvement of the technical solution, the dustproof assembly comprises a dustproof mesh cover arranged in the inside of the fixed ring, a plurality of connecting rods are fixedly connected to the outside of the fixed ring, a limiting disc is fixedly connected to the other end of each of the plurality of connecting rods, a moving plate is slidingly connected to the outside of each of the plurality of connecting rods, a resisting spring is sleeved on the outside of each of the plurality of connecting rods, the resisting spring is in abutment between the moving plate and the limiting disc, a pull ring is fixedly connected to one side of the moving plate, a plug rod is symmetrically arranged on the other side of the moving plate, and a guide groove for the sliding movement of the plug rod is formed in the inside of the fixed ring and the dustproof mesh cover.

[0012] As a further improvement of the technical solution, a positioning cylinder is fixedly connected to the upper surface of the alarm body, a sub-magnetic block is fixedly connected to the inside bottom end of the positioning cylinder, a positioning column is fixedly connected to the bottom of the mounting disc, a guide groove for the sliding movement of the positioning column is formed in the upper surface of the positioning cylinder, and a female magnetic block is fixedly connected to the bottom of the positioning column.

[0013] As a further improvement of the technical solution, an organ protection cover is sleeved on the outside of each of the plurality of connecting rods, and the two ends of each of the plurality of organ protection covers are fixedly connected to the opposite sides of the moving plate and the limiting disc.

[0014] As a further improvement of the technical solution, a rubber sealing ring is bonded to the outside of the dustproof mesh cover.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] The fire smoke alarm, through the installation assembly and the dustproof assembly, when the alarm body needs to be fixed and installed, the installation disc is first fixed and installed at a suitable position, after the installation disc is fixed, the installation plate is inserted into the inside of the fixed frame, and then the installation assembly is used to fix the installation plate and the fixed frame, so that the alarm body can be fixed and installed, and the alarm body can be conveniently disassembled, repaired, and replaced, the disassembly efficiency of the alarm body is effectively improved, and the work burden of workers is reduced; after the alarm body is fixed and installed, the dustproof assembly is fixed and installed, so that the dustproof assembly can be used for effectively dustproofing the alarm body, dust and impurities in the external environment are prevented from entering the inside of the alarm body through the heat dissipation holes and the smoke inlet slot, the service life of the alarm body is effectively prolonged, and time and effort are saved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is an explosion three-dimensional structure schematic view of the utility model;

[0019] Figure 3 It is a three-dimensional structure schematic view of one perspective of the utility model;

[0020] Figure 4 It is a three-dimensional structure schematic view of the alarm body in the utility model;

[0021] Figure 5 It is Figure 2 An enlarged structure schematic view of the A area in the utility model;

[0022] Figure 6 It is Figure 3 An enlarged structure schematic view of the B area in the utility model.

[0023] The meanings of various reference numerals in the drawing are as follows:

[0024] 1, installation disc; 2, alarm body; 3, fixed ring; 4, dust screen cover; 5, heat dissipation hole; 6, smoke inlet slot; 7, fixed frame; 8, fixed plate; 9, positioning column; 10, female magnetic block; 11, organ protective cover; 12, rubber sealing ring; 13, installation plate; 14, positioning cylinder; 15, sub magnetic block; 16, sliding rod; 17, abutting plate; 18, reset spring; 19, side plate; 20, fixed rod; 21, connecting rod; 22, limiting disc; 23, moving plate; 24, abutting spring; 25, insertion rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Please refer to Figure 1 Figure 6 As shown in the figure, the embodiment provides a fire smoke alarm, which comprises a mounting disc 1, further comprises:

[0027] The fixed frame 7 is symmetrically arranged at the bottom of the mounting disc 1, and the inside of the two fixed frames 7 is provided with a mounting plate 13, and the bottom of the two mounting plates 13 is fixedly connected with an alarm body 2, and the bottom of the alarm body 2 is provided with a heat dissipation hole 5 at equal intervals, and the outside of the alarm body 2 is provided with a smoke inlet groove 6 at equal intervals.

[0028] The mounting assembly is arranged outside the two fixed frames 7 respectively.

[0029] The fixed ring 3 is fixedly connected outside the alarm body 2.

[0030] The dustproof assembly is arranged inside the fixed ring 3.

[0031] The above working principle: when the alarm body 2 needs to be fixed and installed, the mounting disc 1 is only fixed and installed to the appropriate position, and when the mounting disc 1 is fixed, the mounting plate 13 is inserted into the inside of the fixed frame 7, and then the mounting assembly is used to fix the mounting plate 13 and the fixed frame 7, at this time, the alarm body 2 can be fixed and installed, and at the same time, the staff can disassemble, overhaul and replace the alarm body 2, effectively improving the disassembly efficiency of the alarm body 2 and reducing the work burden of the staff, after the alarm body 2 is fixed and installed, the dustproof assembly is fixed and installed, at this time, the dustproof assembly can be used to effectively protect the alarm body 2 from dust, so that the dust and impurities in the external environment cannot enter the inside of the alarm body 2 through the heat dissipation hole 5 and the smoke inlet groove 6, effectively prolonging the service life of the alarm body 2, saving time and effort.

[0032] ​In order to conveniently and effectively fix and install the alarm body 2, the installation assembly includes a fixing plate 8 fixedly connected to the outside of the two fixing frames 7, the inside of the fixing plate 8 is fixedly connected to the slide bar 16, the inside of the fixing plate 8 is provided with a contact plate 17, the inside of the contact plate 17 is provided with a guide groove for the slide bar 16 to move, the outside of the slide bar 16 is sleeved with a return spring 18, the return spring 18 is in contact between the contact plate 17 and the fixing plate 8, one side of the contact plate 17 is symmetrically provided with a side plate 19, the outside of each two side plates 19 is fixedly connected with a pull plate, the other side of the contact plate 17 is symmetrically provided with a fixing rod 20, the contact surface of the fixing plate 8 and the fixing frame 7 is provided with a guide groove for the fixing rod 20 to move, the inside of the mounting plate 13 is provided with a guide groove for the fixing rod 20 to move, when it is necessary to fix and install the alarm body 2, only need to first When the pull plate is pulled, the pull plate will drive the side plate 19 to move synchronously, and the side plate 19 will drive the contact plate 17 to move synchronously on the outside of the slide rod 16. During the movement of the contact plate 17, the return spring 18 will be squeezed, and the contact plate 17 will also drive the fixing rod 20 to move synchronously. At this time, the mounting plate 13 is inserted into the inside of the fixing frame 7, and the pull plate is released again. At this time, the return spring 18 is reset, driving the contact plate 17 and the fixing rod 20 to move synchronously. When the fixing rod 20 is inserted into the guide groove inside the mounting plate 13, the mounting plate 13 and the fixing frame 7 can be fixed. At this time, the alarm body 2 can be fixed and installed, and it can be convenient for the staff to disassemble, replace and repair the alarm body 2, effectively improving the disassembly and assembly efficiency of the alarm body 2 and reducing the workload of the staff.

[0033] In view of the fact that dust and other impurities in the external environment can enter the inside of the alarm body 2 through the heat dissipation holes 5 and the smoke inlet 6 after the alarm body 2 is used for a long time, the dustproof assembly includes a dustproof mesh cover 4 arranged inside the fixed ring 3, a plurality of connecting rods 21 are fixedly connected to the outside of the fixed ring 3, the other end of each of the plurality of connecting rods 21 is fixedly connected to a limiting disc 22, a moving plate 23 is slidingly connected to the outside of each of the two connecting rods 21, a resisting spring 24 is sleeved on the outside of each of the plurality of connecting rods 21, the resisting spring 24 is abutted between the moving plate 23 and the limiting disc 22, a pull ring is fixedly connected to one side of the moving plate 23, a plug rod 25 is symmetrically arranged on the other side of the moving plate 23, a guide groove for the plug rod 25 to move is arranged in the inside of the fixed ring 3 and the dustproof mesh cover 4, when it is needed to protect the alarm body 2 from dust, the pull ring is pulled first, at this time, the pull ring drives the moving plate 23 to move synchronously on the outside of the connecting rod 21, in the process of moving of the moving plate 23, the resisting spring 24 is extruded, the moving plate 23 also drives the plug rod 25 to move synchronously, at this time, the dustproof mesh cover 4 is inserted into the inside of the fixed ring 3, and then the pull ring is released, at this time, the resisting spring 24 is reset, drives the moving plate 23 to move synchronously, the moving plate 23 drives the plug rod 25 to move synchronously, when the plug rod 25 is inserted into the guide groove in the inside of the dustproof mesh cover 4, the dustproof mesh cover 4 is fixedly installed, at this time, the dustproof mesh cover 4 can effectively protect the alarm body 2 from dust, thereby effectively prolonging the service life of the alarm body 2.

[0034] In order to further improve the stability between the installation disc 1 and the alarm body 2 after installation, the upper surface of the alarm body 2 is fixedly connected with a positioning cylinder 14, the inside bottom end of the positioning cylinder 14 is fixedly connected with a sub-magnetic block 15, the bottom of the installation disc 1 is fixedly connected with a positioning column 9, the upper surface of the positioning cylinder 14 is provided with a guide groove for the positioning column 9 to move, and the bottom of the positioning column 9 is fixedly connected with a female magnetic block 10, when the installation disc 1 and the alarm body 2 are installed, the positioning column 9 is also inserted into the inside of the positioning cylinder 14, at this time, the sub-magnetic block 15 and the female magnetic block 10 are mutually adsorbed, thereby further improving the stability between the installation disc 1 and the alarm body 2 after fixed installation through the magnetic force between the sub-magnetic block 15 and the female magnetic block 10.

[0035] In order to effectively prolong the service life of the resisting spring 24, the outside of each of the plurality of connecting rods 21 is sleeved with an organ protective cover 11, and the two ends of each of the plurality of organ protective covers 11 are fixedly connected with the opposite side of the moving plate 23 and the limiting disc 22, through the arrangement of the organ protective cover 11, the dustproof protection of the resisting spring 24 can be effectively realized, thereby effectively prolonging the service life of the resisting spring 24, and without affecting the normal use effect of the resisting spring 24.

[0036] In addition, in order to effectively improve the sealing between the dust screen cover 4 and the fixed ring 3, the outer part of the dust screen cover 4 is bonded with a rubber sealing ring 12, through the setting of the rubber sealing ring 12, the sealing between the dust screen cover 4 and the fixed ring 3 can be effectively improved, so that the dust protection effect of the dust screen cover 4 on the alarm body 2 can be further improved.

[0037] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A fire smoke alarm comprising a mounting plate (1), characterised in that, Also includes: Fixed frame (7), symmetrically arranged at the bottom of the installation disc (1), the inside of the two fixed frame (7) is provided with mounting plate (13), the bottom of the two mounting plate (13) is fixedly connected with alarm body (2), the bottom of the alarm body (2) is provided with heat dissipation hole (5) at equal intervals, the outside of the alarm body (2) is provided with smoke inlet groove (6) at equal intervals; Mounting assembly, respectively arranged in the outside of the two fixed frame (7); Fixed ring (3), fixedly connected to the outside of the alarm body (2); Dustproof assembly, provided in the inside of the fixed ring (3).

2. A fire smoke alarm according to claim 1, characterised in that: The mounting assembly includes fixed plate (8) fixedly connected to the outside of the two fixed frame (7), the inside of the fixed plate (8) is fixedly connected with slide rod (16), the inside of the fixed plate (8) is provided with abutting plate (17), the inside of the abutting plate (17) is provided with guide groove for slide rod (16), the outside of the slide rod (16) is sleeved with reset spring (18), the reset spring (18) is abutted between the abutting plate (17) and the fixed plate (8), one side of the abutting plate (17) is symmetrically provided with side plate (19), every two side plate (19) is fixedly connected with pull plate, the other side of the abutting plate (17) is symmetrically provided with fixed rod (20), the contact surface of the fixed plate (8) and the fixed frame (7) is provided with guide groove for fixed rod (20), the inside of the mounting plate (13) is provided with guide groove for fixed rod (20).

3. The fire-smoke alarm of claim 1, wherein: The dustproof assembly includes dust screen cover (4) provided in the inside of the fixed ring (3), the outside of the fixed ring (3) is fixedly connected with a plurality of connecting rods (21), the other end of the plurality of connecting rods (21) is fixedly connected with a plurality of limiting discs (22), the outside of every two connecting rods (21) is slidably connected with a plurality of moving plates (23), the outside of a plurality of connecting rods (21) is sleeved with a plurality of abutting springs (24), a plurality of abutting springs (24) are abutted between the moving plate (23) and the limiting disc (22), one side of the moving plate (23) is fixedly connected with a pull ring, the other side of the moving plate (23) is symmetrically provided with a plurality of insertion rods (25), the inside of the fixed ring (3) and the dust screen cover (4) is provided with guide groove for insertion rod (25).

4. The fire-smoke alarm of claim 1, wherein: The upper surface of the alarm body (2) is fixedly connected with a positioning cylinder (14), the inside bottom end of the positioning cylinder (14) is fixedly connected with a sub magnetic block (15), the bottom of the installation disc (1) is fixedly connected with a positioning column (9), the upper surface of the positioning cylinder (14) is provided with guide groove for positioning column (9), the bottom of the positioning column (9) is fixedly connected with a female magnetic block (10).

5. The fire-smoke alarm of claim 3, wherein: The outside of a plurality of connecting rods (21) is sleeved with a plurality of organ protective covers (11), the two ends of a plurality of organ protective covers (11) are respectively fixedly connected with the opposite side of the moving plate (23) and the limiting disc (22).

6. The fire smoke alarm according to claim 3, characterized in that: The outside of the dust screen cover (4) is bonded with a rubber sealing ring (12).

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