Novel smoke alarm

Abstract

The utility model relates to the technical field of fire safety, and discloses a novel smoke alarm comprising a fixed seat, the upper end of the fixed seat is connected with a rear cover through a first bolt, the interior of the rear cover is connected with an upper conductive plate, the lower end of the upper conductive plate is connected with a conductive column, the upper end of the rear cover is connected with a wiring terminal, and the interior of the fixed seat is provided with a housing. The upper end of the shell is connected with a lower conductive plate, the shell is in threaded connection with the rear cover, a labyrinth grid is movably clamped in the shell, a control panel is installed at the upper end of the labyrinth grid, light guide columns are installed on the two sides of the lower end of the control panel, and a filter screen is arranged on the outer portion of the labyrinth grid in a sleeved mode. And moreover, the shell is in threaded connection with the rear cover in the fixed seat, so that a user can conveniently disassemble, replace and maintain, and the use experience of the user is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fire safety, in particular to a novel smoke alarm. Background Art

[0002] Most of the existing smoke alarms are split structures, with the internal structure separated from the shell, which is inconvenient to install, disassemble, replace and repair. In addition, the connection method between the fixing base and the shell is also complicated, which is not convenient for users to operate independently. Therefore, a new type of smoke alarm is designed. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a new type of smoke alarm, which effectively solves the problems raised in the above background.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of smoke alarm, comprising a fixing base, the upper end of the fixing base is connected to a back cover by a first bolt, the back cover is internally connected to an upper conductive plate, the lower end of the upper conductive plate is connected to a conductive column, the upper end of the back cover is connected to a wiring terminal, a shell is provided inside the fixing base, the upper end of the shell is connected to a lower conductive plate, the shell and the back cover are threadedly connected, a maze grid is movably connected inside the shell, a control board is installed at the upper end of the maze grid, light guide columns are installed on both sides of the lower end of the control board, a filter screen is provided on the outside of the maze grid, the lower end of the maze grid is connected to an iron sheet by screws, a lower cover is provided below the iron sheet, a magnet is embedded in the middle of the upper end of the lower cover, a gasket is provided at the upper end of the lower cover, and the lower cover is magnetically adsorbed and connected to the iron sheet by the magnet.

[0005] Preferably, both side ends of the fixing seat are connected to a mounting plate via second bolts, and an adjustment groove is provided at a connection position of the mounting plate corresponding to the second bolts.

[0006] Preferably, an external thread is provided on the upper portion of the shell, and an internal thread is provided on the lower inner side of the rear cover, and the external thread is matched with the internal thread.

[0007] Preferably, a hook is connected to the circumference of the upper end of the maze, and a slot is opened on the circumference of the inner wall of the shell, and the hook is movably engaged with the slot.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] The utility model simplifies the structure of the smoke alarm and improves the overall stability by integrating various component structures on the shell. The shell and the back cover in the fixing seat are connected by threads, which is convenient for users to disassemble, replace and repair, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0011] In the attached picture:

[0012] Figure 1 This is a schematic diagram of the elevation axis structure of the utility model;

[0013] Figure 2 It is a front view of the utility model;

[0014] Figure 3 It is an exploded view of the utility model;

[0015] In the figure: 1. fixing seat; 2. first bolt; 3. back cover; 4. upper conductive plate; 5. conductive column; 6. terminal; 7. housing; 8. lower conductive plate; 9. maze; 10. control board; 11. light guide column; 12. filter; 13. screw; 14. iron sheet; 15. lower cover; 16. magnet; 17. gasket; 18. second bolt; 19. mounting plate; 20. adjustment slot; 21. hook; 22. bayonet. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0017] Embodiment 1, by Figure 1-Figure 3 The utility model includes a fixing seat 1, the upper end of the fixing seat 1 is connected to a back cover 3 through a first bolt 2, an upper conductive plate 4 is connected inside the back cover 3, a conductive column 5 is connected to the lower end of the upper conductive plate 4, a wiring terminal 6 is connected to the upper end of the back cover 3, a shell 7 is provided inside the fixing seat 1, a lower conductive plate 8 is connected to the upper end of the shell 7, the shell 7 is threadedly connected to the back cover 3, a maze 9 is movably connected inside the shell 7, a control board 10 is installed on the upper end of the maze 9, light guide columns 11 are installed on both sides of the lower end of the control board 10, a filter screen 12 is provided on the outer sleeve of the maze 9, an iron sheet 14 is connected to the lower end of the maze 9 through a screw 13, a lower cover 15 is provided below the iron sheet 14, a magnet 16 is embedded in the middle of the upper end of the lower cover 15, a gasket 17 is provided on the upper end of the lower cover 15, and the lower cover 15 is magnetically adsorbed and connected to the iron sheet 14 through the magnet 16;

[0018] Both side ends of the fixing base 1 are connected with a mounting plate 19 through a second bolt 18, and an adjustment slot 20 is provided at the connection between the mounting plate 19 and the second bolt 18, so as to facilitate adjusting the position of the mounting plate 19 when the fixing base 1 is installed;

[0019] The upper part of the housing 7 is provided with an external thread, and the lower part of the rear cover 3 is provided with an internal thread. The external thread is adapted to the internal thread, and the installation and removal of the housing 7 are facilitated by the threaded connection method.

[0020] A hook 21 is connected to the circumference of the upper end of the maze grid 9, and a slot 22 is opened on the circumference of the inner wall of the shell 7. The hook 21 and the slot 22 are movably connected to each other, so that the component can be easily installed on the shell 7.

[0021] Working principle: When in use, the upper conductive plate 4 is installed inside the rear cover 3, and the rear cover 3 is installed on the upper end of the fixing base 1 through the first bolt 2, and then the fixing base 1 is installed on the ceiling through the action of the mounting plate 19;

[0022] The lower conductive plate 8 is installed on the upper end of the housing 7, the light guide column 11 is installed on the lower end of the control board 10, the control board 10 is installed on the upper end of the maze 9, and the filter screen 12 is sleeved on the outside of the maze 9. Then, the iron sheet 14 is fixed to the lower end of the maze 9 by means of screws 13, and then the maze 9 is matched with the bayonet 22 in the housing 7 under the action of the hook 21, so that the maze 9 and the components installed outside it are movably connected to the housing 7, and then the housing 7 and its external carrying components are installed upwardly on the inside of the back cover 3 by means of threads, and finally the lower cover 15 with the magnet 16 and the gasket 17 is adsorbed and installed on the lower end of the iron sheet 14 by means of magnetic attraction;

[0023] When the user needs to disassemble, replace or repair the smoke alarm, the user only needs to rotate the shell 7 in the opposite direction to separate the threaded interface between the shell 7 and the rear cover 3, and then the shell 7 can be easily disassembled. Then, the user can check, repair or replace the removed component structure, and then fix the shell 7 on the rear cover 3 in the fixing base 1 through a threaded connection.

Claims

1. A novel smoke alarm, comprising a fixing base (1), characterized in that: The upper end of the fixing seat (1) is connected to a rear cover (3) via a first bolt (2); an upper conductive plate (4) is connected inside the rear cover (3); a conductive column (5) is connected at the lower end of the upper conductive plate (4); a wiring terminal (6) is connected at the upper end of the rear cover (3); a housing (7) is provided inside the fixing seat (1); a lower conductive plate (8) is connected at the upper end of the housing (7); the housing (7) is threadedly connected to the rear cover (3); a maze grid (9) is movably connected inside the housing (7); and the upper end of the maze grid (9) is A control panel (10) is installed, light guide columns (11) are installed on both sides of the lower end of the control panel (10), a filter screen (12) is sleeved on the outside of the maze grid (9), an iron sheet (14) is connected to the lower end of the maze grid (9) through a screw (13), a lower cover (15) is provided below the iron sheet (14), a magnet (16) is embedded in the middle of the upper end of the lower cover (15), a gasket (17) is provided at the upper end of the lower cover (15), and the lower cover (15) is magnetically adsorbed and connected to the iron sheet (14) through the magnet (16).

2. A novel smoke alarm according to claim 1, characterized in that: Both side ends of the fixing seat (1) are connected to a mounting plate (19) via a second bolt (18), and an adjustment groove (20) is provided at a connection position of the mounting plate (19) corresponding to the second bolt (18).

3. A novel smoke alarm according to claim 1, characterized in that: The upper part of the shell (7) is provided with an external thread, and the lower inner side of the rear cover (3) is provided with an internal thread, and the external thread is matched with the internal thread.

4. A novel smoke alarm according to claim 1, characterized in that: The upper end circumference of the maze grid (9) is connected with a hook (21), and the inner wall circumference of the shell (7) is provided with a bayonet (22), and the hook (21) and the bayonet (22) are movably engaged.

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