Fire alarm device

Abstract

The utility model discloses a fire-fighting alarm device, which relates to the technical field of fire-fighting alarm, and adopts the technical scheme that the fire-fighting alarm device comprises an alarm body, a positioning plate arranged on the rear side of the alarm body and used for being mounted at a detection position, and a positioning mechanism arranged in the alarm body and used for positioning the alarm body, the positioning mechanism comprises a positioning block, the positioning block is fixedly connected to the rear side of the alarm body, a positioning pipe is embedded in the positioning plate, the positioning block is matched with the positioning pipe, positioning grooves are formed in the two sides of the positioning block, and the positioning grooves penetrate through the exteriors of the two sides of the positioning pipe; the device has the beneficial effects that the dismounting and mounting efficiency of the fire alarm is greatly improved, meanwhile, the device adopts the structural design of the mounting rod and the mounting plate, so that the overall structural stability is higher, and the alarm body is prevented from falling off due to mistaken touch.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire alarm technical field, concretely relates to a fire alarm device. BACKGROUND

[0002] Fire alarm system, also called automatic fire alarm system, is the automatic fire fighting facilities set in the building or other places, is used for early discovery and report fire, so that timely measures are taken to control and extinguish fire, is the important tool of people's fire fighting.

[0003] The existing fire alarm is generally fixed on the wall or the outside of the support through the bolt, but once the alarm is damaged, the bolt connection is relatively laborious to disassemble, thereby bringing great inconvenience to the staff. SUMMARY

[0004] Therefore, the utility model provides a fire alarm device, through the user inserts the positioning rod into the inside of the positioning pipe, then rotates the alarm body, makes the clamping rod moves and installs the alarm body, and the reverse rotation alarm body can make the clamping rod separate from the positioning rod, convenient to disassemble, to solve the existing fire alarm is generally fixed on the wall or the outside of the support through the bolt, but once the alarm is damaged, the bolt connection is relatively laborious to disassemble, thereby bringing great inconvenience to the staff.

[0005] In order to realize the above purpose, the utility model provides the following technical scheme: a fire alarm device, including alarm body, the rear side of alarm body is equipped with positioning plate, the positioning plate is used for installing in detection position;

[0006] Positioning mechanism, the positioning mechanism is located in the inside of alarm body, and the positioning mechanism is used for positioning work to the alarm body;

[0007] The positioning mechanism includes positioning block, the positioning block is fixedly connected at the rear side of alarm body, the inside of positioning plate is embedded with positioning pipe, the positioning block is matched with positioning pipe, the both sides of positioning block are equipped with positioning slot, and the positioning slot is penetrated to the outside of both sides of positioning pipe.

[0008] Preferably, the positioning mechanism further includes a center rod, the center rod is fixedly connected to the rear side of the positioning pipe, the inside of the positioning plate is embedded with a fixing ring, a plurality of connecting rods are fixedly connected to the inside of the fixing ring, a connecting ring is arranged between the plurality of connecting rods, the connecting ring is sleeved on the outside of the center rod and is movably connected with the center rod through the rolling bearing.

[0009] Preferably, the fixing ring bottom is fixedly connected with two side plates, and the inside of the two side plates is embedded with a clamping rod.

[0010] Preferably, the clamping rod is provided with a sliding groove on both front and rear sides, two sliding blocks are fixedly arranged in the two side plates, the sliding blocks are arranged in the sliding grooves, and the clamping rod slides relative to the side plate.

[0011] Preferably, two moving plates are fixedly connected to the outer sides of the two clamping rods, and first magnets are fixedly connected to the outer sides of the two moving plates.

[0012] Preferably, two first fixed plates are fixedly arranged in the positioning plate, second magnets are fixedly arranged on the inner sides of the two first fixed plates, and the first magnets and the second magnets are attracted to each other.

[0013] Preferably, a second fixed plate is fixedly arranged in the positioning plate, third magnets are fixedly connected to the inner sides of the two second fixed plates, and the first magnets and the third magnets are repelled.

[0014] Preferably, the center rod extends to the outer side of the positioning plate, a rotating disc is fixedly arranged on the outer side of the center rod, a plurality of rotating grooves are formed in the rotating disc, and round rods are arranged in the rotating grooves.

[0015] Preferably, a plurality of limiting rails are fixedly connected to the rear side of the positioning plate, limiting blocks are arranged in the limiting rails, the limiting blocks slide relative to the limiting rails, and mounting plates are fixedly connected to the outer sides of the limiting blocks.

[0016] Preferably, a plurality of horizontal plates are arranged on the outer side of the positioning plate, mounting rods are arranged in the horizontal plates, the mounting rods slide relative to the horizontal plates, buttons are arranged on the rear sides of the mounting rods, and limiting pull ropes are arranged between the buttons and the horizontal plates.

[0017] The utility model discloses the beneficial effect is:

[0018] Through the user inserts the positioning rod into the positioning pipe, then rotates the alarm body, makes the clamping rod and installs to the alarm body, and the reverse rotation alarm body can make the clamping rod separate from the positioning rod, and the disassembly is convenient, and the existing fire alarm is generally fixed on the wall or the outer side of support through bolt, but once the alarm is damaged, and the bolt connection is dismantled relatively laborsaving, thereby the great inconvenience problem is brought to staff, the utility model greatly improves the efficiency of the fire alarm dismounting and installation, and simultaneously, the whole structure is higher and more stable, and the alarm body is prevented from falling due to accidental touch. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be derived from the provided drawings without creative labor.

[0020] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, for understanding and reading by those skilled in the art, and are not used to limit the implementation conditions of the present application, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that the present application can produce, should still fall within the scope of the technical content disclosed by the present application.

[0021] Figure 1 The overall structural schematic diagram provided by the present application is shown in the figure.

[0022] Figure 2 The rear view structural schematic diagram provided by the present application is shown in the figure.

[0023] Figure 3 The local positioning mechanism structural schematic diagram provided by the present application is shown in the figure.

[0024] Figure 4 The enlarged view of A in the present application is shown in the figure. Figure 3

[0025] Figure 5 The mounting rod and limiting track structural schematic diagram provided by the present application is shown in the figure.

[0026] In the figure: 1 alarm body; 2 positioning plate; 3 positioning block; 4 positioning pipe; 5 center rod; 6 fixed ring; 7 connecting rod; 8 connecting ring; 9 side plate; 10 clamping rod; 11 sliding groove; 12 sliding block; 13 moving plate; 14 first magnet; 15 first fixed plate; 16 second magnet; 17 second fixed plate; 18 third magnet; 19 rotating disc; 20 round rod; 21 limiting track; 22 limiting block; 23 mounting plate; 24 mounting rod; 25 button; 26 limiting pull rope. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present application will be described below in conjunction with the drawings, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the present application, and are not used to limit the present application.

[0028] Refer to the drawings Figure 1 - the drawings Figure 5 ​The utility model provides a fire alarm device, including alarm body 1, alarm body 1 rear side is equipped with the locating plate 2, and the locating plate 2 is used for installing in the detection position,

[0029] Positioning mechanism, positioning mechanism is located in alarm body 1 inside, and positioning mechanism is used for positioning work to alarm body 1,

[0030] Positioning mechanism includes locating block 3, and locating block 3 fixedly connected at alarm body 1 rear side, and locating tube 4 is embedded in the inside of locating plate 2, and locating block 3 is matched with locating tube 4, and locating groove is set up in the both sides of locating block 3, and locating groove is penetrated to the outside of the both sides of locating tube 4,

[0031] In the embodiment, the user inserts the positioning rod into the inside of locating tube 4, and then rotates the alarm body 1, so that the clamping rod 10 moves to position and install the alarm body 1, and the alarm body 1 is reversely rotated to make the clamping rod 10 separate from the positioning rod, which is convenient for disassembly,

[0032] Among them, in order to realize the purpose of installation and positioning, the device adopts the following technical scheme: the positioning mechanism further includes a center rod 5 fixedly connected to the rear side of the locating tube 4, a fixed ring 6 embedded in the inside of the locating plate 2, a plurality of connecting rods 7 fixedly connected to the inner side of the fixed ring 6, a connecting ring 8 provided between the plurality of connecting rods 7, the connecting ring 8 being sleeved on the outer side of the center rod 5 and movably connected to the center rod 5 through a rolling bearing, two side plates 9 fixedly connected to the bottom of the fixed ring 6, two clamping rods 10 embedded in the inside of each of the two side plates 9, a sliding groove 11 provided on the front and rear sides of each of the clamping rods 10, two sliding blocks 12 fixedly embedded in the inside of each of the two side plates 9, the sliding block 12 being embedded in the inside of the sliding groove 11, the clamping rod 10 sliding relative to the side plate 9, a moving plate 13 fixedly connected to the outer side of each of the two clamping rods 10, a first magnet 14 fixedly connected to the outer side of each of the two moving plates 13, two first fixed plates 15 fixedly embedded in the inside of the locating plate 2, a second magnet 16 fixedly provided on the inner side of each of the two first fixed plates 15, the first magnet 14 being attracted to the second magnet 16, a second fixed plate 17 fixedly embedded in the inside of the locating plate 2, a third magnet 18 fixedly connected to the inner side of each of the two second fixed plates 17, and the first magnet 14 repelling the third magnet 18,

[0033] When the alarm body 1 is rotated forward, the positioning rod and the positioning tube 4 rotate, the positioning tube 4 drives the fixed ring 6 and the side plate 9 to rotate, the side plate 9 drives the two clamping rods 10 to rotate, the two clamping rods 10 drive the two moving plates 13 and the first magnet 14 to rotate, when the first magnet 14 contacts the second magnet 16, the second magnet 16 is attracted to the first magnet 14, so that the clamping rod 10 is separated from the clamping groove, and the user can take down the alarm body 1; in the same way, the alarm body 1 is rotated reversely, so that the first magnet 14 is repelled from the third magnet 18, thereby the clamping rod 10 is embedded into the positioning groove, and the alarm body 1 is positioned;

[0034] In order to realize the purpose of stable structure, the device adopts the following technical scheme: the center rod 5 extends to the outside of the positioning plate 2, a rotating disc 19 is fixedly arranged outside the center rod 5, a plurality of rotating grooves are formed in the rotating disc 19, a plurality of round rods 20 are embedded in the rotating grooves, a plurality of limiting rails 21 are fixedly connected to the rear side of the positioning plate 2, a plurality of limiting blocks 22 are embedded in the limiting rails 21, the plurality of limiting blocks 22 slide relative to the plurality of limiting rails 21, a plurality of mounting plates 23 are fixedly connected to the outer sides of the plurality of limiting blocks 22, a plurality of cross plates are arranged on the outer side of the positioning plate 2, a plurality of mounting rods 24 are embedded in the cross plates, the mounting rods 24 slide relative to the cross plates, a plurality of buttons 25 are arranged on the rear sides of the plurality of mounting rods 24, and limiting pull ropes 26 are arranged between the plurality of buttons 25 and the cross plates.

[0035] When the position of the alarm body 1 needs to be fixed, the user presses the plurality of buttons 25, so that the plurality of mounting rods 24 are embedded into the plurality of mounting plates 23, thereby preventing the alarm body 1 from being separated and falling due to accidental touch.

[0036] The use process of the device is as follows: the user inserts the positioning rod into the positioning tube 4, and then rotates the alarm body 1, so that the clamping rod 10 moves to position and install the alarm body 1; in the same way, the alarm body 1 is reversely rotated, so that the clamping rod 10 is separated from the positioning rod, thereby facilitating disassembly; when the alarm body 1 is rotated forward, the positioning rod and the positioning tube 4 rotate, the positioning tube 4 drives the fixed ring 6 and the side plate 9 to rotate, the side plate 9 drives the two clamping rods 10 to rotate, the two clamping rods 10 drive the two moving plates 13 and the first magnet 14 to rotate, when the first magnet 14 contacts the second magnet 16, the second magnet 16 is attracted to the first magnet 14, so that the clamping rod 10 is separated from the clamping groove, and the user can take down the alarm body 1; in the same way, the alarm body 1 is reversely rotated, so that the first magnet 14 is repelled from the third magnet 18, thereby the clamping rod 10 is embedded into the positioning groove, and the alarm body 1 is positioned; when the position of the alarm body 1 needs to be fixed, the user presses the plurality of buttons 25, so that the plurality of mounting rods 24 are embedded into the plurality of mounting plates 23, thereby preventing the alarm body 1 from being separated and falling due to accidental touch.

[0037] The above is only the preferred embodiment of the present application, and any skilled person in the art can modify the above-described technical solutions or modify them into equivalent technical solutions. Therefore, any simple modification or equivalent replacement according to the technical solutions of the present application is within the scope of protection of the present application.

Claims

1. A fire alarm device, characterized in that: include An alarm body (1) is provided with a positioning plate (2) on the rear side of the alarm body (1), and the positioning plate (2) is used to be installed at the detection position; The positioning mechanism is located inside the alarm body (1) and is used to position the alarm body (1). The positioning mechanism includes a positioning block (3), which is fixedly connected to the rear side of the alarm body (1). The positioning plate (2) is embedded with a positioning tube (4). The positioning block (3) matches the positioning tube (4). Positioning grooves are opened on both sides of the positioning block (3), and the positioning grooves extend to the outside of both sides of the positioning tube (4).

2. A fire alarm device according to claim 1, characterized in that: The positioning mechanism also includes a central rod (5), which is fixedly connected to the rear side of the positioning tube (4). A fixing ring (6) is embedded inside the positioning plate (2). Multiple connecting rods (7) are fixedly connected to the inner side of the fixing ring (6). A connecting ring (8) is provided between the multiple connecting rods (7). The connecting ring (8) is sleeved on the outside of the central rod (5) and is movably connected to the central rod (5) through a rolling bearing.

3. A fire alarm device according to claim 2, characterized in that: The bottom of the fixing ring (6) is fixedly connected to two side plates (9), and each of the two side plates (9) is embedded with a snap-fit ​​rod (10).

4. A fire alarm device according to claim 3, characterized in that: The locking rod (10) has sliding grooves (11) on both the front and rear sides. Two sliders (12) are fixedly embedded in the two side plates (9). The sliders (12) are embedded in the sliding grooves (11). The locking rod (10) slides with the side plates (9).

5. A fire alarm device according to claim 3, characterized in that: A movable plate (13) is fixedly connected to the outer side of each of the two locking rods (10), and a first magnet (14) is fixedly connected to the outer side of each of the two movable plates (13).

6. A fire alarm device according to claim 5, characterized in that: The positioning plate (2) is internally fixedly embedded with two first fixing plates (15), and each of the two first fixing plates (15) is fixedly provided with a second magnet (16). The first magnet (14) and the second magnet (16) attract each other.

7. A fire alarm device according to claim 5, characterized in that: The positioning plate (2) is internally fixedly embedded with a second fixing plate (17), and the inner sides of the two second fixing plates (17) are fixedly connected with a third magnet (18), and the first magnet (14) and the third magnet (18) repel each other.

8. A fire alarm device according to claim 7, characterized in that: The rear end of the central rod (5) extends to the outside of the positioning plate (2). A turntable (19) is fixedly sleeved on the outside of the central rod (5). Multiple rotating grooves are opened inside the turntable (19), and round rods (20) are embedded in the multiple rotating grooves.

9. A fire alarm device according to claim 1, characterized in that: The positioning plate (2) is fixedly connected to a plurality of limiting rails (21) on the rear side. Each of the plurality of limiting rails (21) is embedded with a limiting block (22). Each of the plurality of limiting blocks (22) slides with the plurality of limiting rails (21). Each of the plurality of limiting blocks (22) is fixedly connected to an mounting plate (23) on the outer side.

10. A fire alarm device according to claim 1, characterized in that: The positioning plate (2) has multiple horizontal plates on its outer side, and each of the multiple horizontal plates has an installation rod (24) embedded inside. The installation rod (24) slides with the horizontal plate. Each of the multiple installation rods (24) has a button (25) on its rear side, and a limiting pull rope (26) is provided between the multiple buttons (25) and the horizontal plate.

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