Fire-fighting alarm calling device

Abstract

The utility model discloses a fire-fighting alarm calling device which comprises a base and a clamping mechanism, a hole is formed in the base, an alarm device body is arranged in the hole in a matched mode, an arc-shaped groove is formed in one side of the alarm device body, the clamping mechanism comprises a clamping block, one face of the clamping block is an arc face, one face of the clamping block is clamped on the arc-shaped groove, and the other face of the clamping block is clamped on the arc-shaped groove. A group of round holes are formed in the clamping block, limiting columns are matched in the holes, the peripheral surfaces of the limiting columns are sleeved with compression springs, bolts penetrate through the first mounting holes to mount the base on a wall, whether a fire disaster exists or not is judged through a smoke sensing detector and an alarm buzzer, and the fire disaster can be detected by pressing an extrusion column. When the alarm device body needs to be replaced, an extrusion column is driven to extrude a limiting notch in a clamping block, so that the clamping block moves towards one side, the clamping block is separated from an arc-shaped groove in one side of the alarm device body, the alarm device body is taken down under the action of gravity, a compression spring is extruded, and the effect of conveniently replacing the alarm device body is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire fighting equipment, in particular to a fire fighting alarm calling device. Background Art

[0002] Among the existing fire prevention measures, fire alarms are often installed in the scene. The existing fire alarms are divided into temperature sensing type and smoke sensing type. Each of them triggers the alarm circuit to realize the alarm by sensing the temperature and smoke particle concentration in the scene.

[0003] In this regard, the authorization announcement number CN215416939U discloses a fire alarm call device, including an installation top plate, a height adjustment component fixedly connected to the center position of the bottom surface of the installation top plate, the bottom end of the height adjustment component is fixedly connected to a device shell, the height adjustment component includes a square tube fixedly connected to the center position of the bottom surface of the installation top plate, a sliding cavity is opened in the square tube, the bottom end of the sliding cavity is an open structure, a square column is slidably connected in the sliding cavity, the bottom end of the square column is fixedly connected to the top surface of the device shell, a plurality of fixed slots are opened on one side of the square column, one end of the fixed slot is an open structure, and a socket is opened on one side of the lower part of the square tube near the opening of the fixed slot.

[0004] In actual production, temperature sensing type and smoke sensing type are divided into two types of products. The cost of product investment is high. The existing fire alarms are fixed to the indoor ceiling by studs. It is also inconvenient to replace the batteries regularly. Since replacements are made in large quantities, in order to facilitate replacement, this solution proposes a fire alarm call device. Utility Model Content

[0005] The utility model aims to solve the shortcoming of the fire alarm calling device in the prior art that it is difficult to replace, and proposes a fire alarm calling device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A fire alarm call device comprises a base and a clamping mechanism, wherein a hole is provided on the base, an alarm device body is fitted in the hole, an arc groove is provided on one side of the alarm device body, the clamping mechanism comprises a clamping block, one side of the clamping block is in an arc surface, one side of the clamping block is clamped in the arc groove, a group of circular holes are provided on the clamping block, a limiting column is fitted in the hole, a compression spring is sleeved on the outer peripheral surface of the limiting column, one end of the compression spring contacts the base, and the other end of the compression spring contacts the clamping block, a limiting notch is provided in the middle of the clamping block, the limiting notch is in an arc surface, the limiting notch contacts an extrusion column, the extrusion column is fitted in the hole on the horizontal plate, a limiting plate is provided on the horizontal plate, and the limiting plate contacts the top surface of the horizontal plate.

[0008] Preferably, three groups of first mounting holes are provided on the base, and the first mounting holes are fitted with bolts.

[0009] Preferably, a groove is provided at the bottom of the alarm device body, a smoke sensor detector is provided at the bottom of the groove, and an alarm buzzer is provided at the bottom of the groove.

[0010] Preferably, the bottom of the alarm device body is equipped with a cover plate, the cover plate is provided with a group of second mounting holes, the second mounting holes are provided with smoke inlets, the second mounting holes are provided with buzzer holes, and the second mounting holes are equipped with connecting columns.

[0011] Preferably, the transverse plate is connected to the base, and the transverse plate is in contact with the main body of the alarm device.

[0012] The utility model has the following beneficial effects:

[0013] The base is mounted on the wall by passing bolts through the first mounting hole, and the smoke sensor detector and the alarm buzzer are used to determine whether there is a fire. The extrusion column is pressed to drive the extrusion column to squeeze into the limit notch on the engaging block, so that the engaging block moves to one side, thereby disengaging the engaging block from the arc groove on one side of the alarm device body. At this time, the alarm device body is removed under the action of gravity, and the compression spring is squeezed at the same time, thereby achieving the effect of facilitating the replacement of the alarm device body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall structural diagram of the alarm device;

[0015] Figure 2 It is a schematic diagram of the main structure of the alarm device of the alarm device;

[0016] Figure 3 It is a schematic diagram of the cover structure of the alarm device;

[0017] Figure 4 It is a schematic diagram of the bottom structure of the locking mechanism of the alarm device;

[0018] Figure 5 The top structure diagram of the locking mechanism of the alarm device is shown in FIG.

[0019] In the figure: 1. base; 101. first mounting hole; 2. alarm device body; 201. smoke sensor detector; 202. alarm buzzer; 203. arc groove; 3. cover plate; 301. second mounting hole; 302. smoke inlet; 303. buzzer hole; 304. connecting column; 4. snap-fit ​​mechanism; 401. snap-fit ​​block; 402. limit column; 403. compression spring; 404. limit notch; 405. extrusion column; 406. horizontal plate; 407. limit plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-5 A fire alarm call device includes a base 1 and a clamping mechanism 4. The base 1 is provided with a hole, in which an alarm device body 2 is matched, and an arc groove 203 is provided on one side of the alarm device body 2. The clamping mechanism 4 includes a clamping block 401, one side of the clamping block 401 is an arc surface, and one side of the clamping block 401 is clamped on the arc groove 203. A group of circular holes are provided on the clamping block 401, and a limiting column 402 is matched in the hole. The outer peripheral surface of the limiting column 402 is sleeved with a compression spring 403, one end of the compression spring 403 contacts the base 1, and the other end of the compression spring 403 contacts the clamping block 401. The middle of the clamping block 401 A limiting slot 404 is provided, and the limiting slot 404 is in an arc surface. The limiting slot 404 contacts an extrusion column 405, and the extrusion column 405 fits in the hole on the horizontal plate 406. A limiting plate 407 is provided on the horizontal plate 406, and the limiting plate 407 contacts the top surface of the horizontal plate 406. By pressing the extrusion column 405, the extrusion column 405 is driven to be squeezed into the limiting slot 404 on the engaging block 401, so that the engaging block 401 moves to one side, so that the engaging block 401 is disengaged from the arc groove 203 on one side of the alarm device main body 2. At this time, the alarm device main body 2 is removed under the action of gravity, and the compression spring 403 is squeezed at the same time.

[0022] The base 1 is provided with three groups of first mounting holes 101, and the first mounting holes 101 are matched with bolts, and the base 1 is installed on the wall by passing the bolts through the first mounting holes 101. A groove is provided at the bottom of the alarm device body 2, and a smoke sensor detector 201 is provided at the bottom of the groove, and an alarm buzzer 202 is provided at the bottom of the groove. The smoke sensor detector 201 and the alarm buzzer 202 are used to determine whether there is a fire. The bottom of the alarm device body 2 is matched with a cover plate 3, and the cover plate 3 can achieve a protective effect. The cover plate 3 is provided with a group of second mounting holes 301, and a smoke inlet 302 is provided on the second mounting hole 301, and a buzzer hole 303 is provided on the second mounting hole 301. The second mounting hole 301 is matched with a connecting column 304, and the cover plate 3 is installed on the alarm device body 2 through the connecting column 304. The cross plate 406 is connected to the base 1, and the cross plate 406 is in contact with the alarm device body 2.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fire alarm call device, comprising a base (1), characterized in that: A hole is formed on the base (1), and an alarm device body (2) is fitted in the hole. An arc-shaped groove (203) is formed on one side of the alarm device body (2); The invention also comprises a snap-fit ​​mechanism (4), wherein the snap-fit ​​mechanism (4) comprises a snap-fit ​​block (401), one side of the snap-fit ​​block (401) is an arc surface, one side of the snap-fit ​​block (401) is snap-fitted to the arc groove (203), a group of circular holes are formed on the snap-fit ​​block (401), and a limiting column (402) is fitted in the holes, a compression spring (403) is sleeved on the outer peripheral surface of the limiting column (402), and one end of the compression spring (403) is in contact with the base (1), so that The other end of the compression spring (403) is in contact with the engaging block (401), and a limiting slot (404) is provided in the middle of the engaging block (401), and the limiting slot (404) is in an arc shape. The limiting slot (404) is in contact with an extrusion column (405), and the extrusion column (405) is fitted in a hole on the horizontal plate (406). A limiting plate (407) is provided on the horizontal plate (406), and the limiting plate (407) is in contact with the top surface of the horizontal plate (406).

2. A fire alarm call device according to claim 1, characterized in that: The base (1) is provided with three groups of first mounting holes (101), and the first mounting holes (101) are fitted with bolts.

3. A fire alarm call device according to claim 1, characterized in that: A groove is provided at the bottom of the alarm device body (2), a smoke sensor (201) is provided at the bottom of the groove, and an alarm buzzer (202) is provided at the bottom of the groove.

4. A fire alarm calling device according to claim 3, characterized in that: The bottom of the alarm device body (2) is matched with a cover plate (3), the cover plate (3) is provided with a group of second mounting holes (301), the second mounting holes (301) are provided with smoke inlets (302), the second mounting holes (301) are provided with buzzer holes (303), and the second mounting holes (301) are matched with connecting columns (304).

5. A fire alarm call device according to claim 1, characterized in that: The transverse plate (406) is connected to the base (1), and the transverse plate (406) is in contact with the alarm device body (2).

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