Building fire alarm device

Abstract

The utility model provides a building fire alarm device. The building fire alarm device comprises a mounting plate and a fixing plate arranged below the mounting plate, the fire alarm body is arranged at the bottom of the fixing plate and is mounted through a fixing mechanism arranged on the fixing plate; and the movable plates are symmetrically clamped on two side surfaces of the mounting plate in a sliding manner. A motor I drives a reciprocating lead screw to rotate to drive a sliding block to move back and forth, so that the sliding block drives a fixed plate and a fire alarm body to move back and forth, and meanwhile, the reciprocating lead screw rotates to drive a gear to rotate, so that the gear drives a movable plate to slide under the matching action of the gear and a rack; therefore, the fire alarm body can move horizontally while moving back and forth, the effect that the fire alarm body moves in multiple directions to adjust the position is achieved, the use effect of the fire alarm body is effectively improved, and the detection range of the fire alarm body is effectively widened.

Description

TECHNICAL FIELD

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

[0002] The fire alarm equipment is also the automatic fire alarm electrical equipment, and the general common fire alarm equipment has various fire detectors, manual alarm buttons, fire hydrant pump buttons, alarms, on-site execution modules and the like. These devices all need to be connected to the fire alarm host to implement centralized monitoring and control.

[0003] The authorized patent with the application number of CN202420344752.9 discloses a building fire alarm device, and the background technology proposes the problem that "since being installed on the top wall at a high position, regular maintenance or damage replacement all need personnel to climb to disassemble, the safety risk of climbing operation is larger, and the convenient and safe maintenance work of the maintenance personnel is not favorable", and for this, the technical scheme for solving the problem is "including a smoke alarm, the top of the smoke alarm is fixedly connected with a conical clamping block, the top of the smoke alarm is movably connected with a rectangular box with an open bottom, the top inner wall of the rectangular box is fixedly connected with a U-shaped seat, the bottom of the U-shaped seat is fixedly connected with a conical sleeve with an open bottom" and the like.

[0004] However, it is found in the implementation of the related technology that the above technical scheme has the following problems: although the technical scheme provided by the above technical scheme realizes the effect that the alarm is lifted for convenient maintenance, but when in use, the position of the fire alarm is inconvenient to adjust, and the installation position of the existing fire alarm is mostly fixed, so that the detection coverage range of the alarm is limited, thereby reducing the use effect and detection range of the fire alarm. UTILITY MODEL CONTENTS

[0005] The utility model discloses a building fire alarm device, and solves the problem that the position of the fire alarm is inconvenient to adjust in the related technology.

[0006] The technical scheme of the utility model is as follows: a building fire alarm device, comprising: a mounting plate and a fixed plate arranged below the mounting plate;

[0007] A fire alarm body is arranged at the bottom of the fixed plate, and the fire alarm body is installed through a fixing mechanism arranged on the fixed plate;

[0008] A movable plate is symmetrically and slidably connected to the two side surfaces of the mounting plate;

[0009] A reciprocating screw is rotationally connected between the opposite surfaces of the two movable plates, and a driving member is arranged on the movable plate;

[0010] A guide light rod fixedly installed between the opposite faces of the two movable plates and located at one side of the reciprocating screw rod;

[0011] A sliding block threadedly connected to the surface of the reciprocating screw rod and sliding with the guide light rod, the sliding block being connected with the fixed plate;

[0012] And a moving mechanism arranged at the bottom of the mounting plate for driving the movable plates to slide.

[0013] Preferably, the moving mechanism comprises two racks fixedly installed at the bottom of the mounting plate in symmetry, and gears fixedly installed at the two ends of the reciprocating screw rod and engaged with the racks.

[0014] Preferably, the driving member comprises a motor one fixedly installed at one side face of one of the two movable plates, the output end of the motor one movably extending through the movable plate and being connected with the reciprocating screw rod.

[0015] Preferably, the fixing mechanism comprises a plurality of fixed positioning blocks fixedly installed at the bottom of the fixed plate, a connecting block fixedly installed at one side of the bottom of the fixed plate, a rotating screw threadedly connected to the connecting block, and a movable positioning block rotatably connected to one end of the rotating screw.

[0016] Preferably, the plurality of fixed positioning blocks are distributed in a semicircular form, and a slot is formed at the bottom of the fixed plate and parallel to the axis of the rotating screw, the slot sliding with the movable positioning block, and the fire alarm body being clamped between the fixed positioning block and the movable positioning block.

[0017] Preferably, a dust cover is arranged in the fire alarm body, and a cleaning mechanism is arranged on the fire alarm body for preventing the dust cover from being blocked.

[0018] Preferably, the cleaning mechanism comprises a lifting screw rotatably connected to one side of the inside of the fire alarm body, a lifting guide rod fixedly installed at the other side of the inside of the fire alarm body, a cleaning ring threadedly connected to the surface of the lifting screw and sliding with the lifting guide rod, and a motor two fixedly installed at the bottom of the fire alarm body, the output end of the motor two movably extending into the fire alarm body and being connected with the lifting screw, and a plurality of dust discharge ports being formed at the bottom of the fire alarm body.

[0019] The working principle and beneficial effects of the utility model are as follows:

[0020] The motor one drives the reciprocating screw rod to rotate, and drives the sliding block to move back and forth, so that the fixed plate and the fire alarm body are moved back and forth, and the reciprocating screw rod drives the gear to rotate, so that the gear drives the movable plate to slide under the cooperation of the rack, so that the fire alarm body moves transversely, and the fire alarm body can move transversely while moving back and forth, so that the fire alarm body is multi-directionally moved to adjust the position, the detection coverage range of the alarm is expanded, the detection range of the alarm is not limited, and the use effect and the detection range of the fire alarm body are effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model will be made further detailed explanation in combination with the specific embodiment and the accompanying drawings.

[0022] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0023] Figure 2 It is the bottom view three-dimensional structure schematic diagram of the utility model;

[0024] Figure 3 It is the partial three-dimensional structure schematic diagram of the utility model mounting plate;

[0025] Figure 4 It is the sectional view three-dimensional structure schematic diagram of the utility model fixed plate;

[0026] Figure 5 It is the partial three-dimensional structure schematic diagram of the utility model fire alarm body.

[0027] In the drawing: 1, mounting plate; 2, fixed plate; 3, fire alarm body; 4, movable plate; 5, reciprocating screw rod; 6, guide light pole; 7, sliding block; 8, rack; 9, gear; 10, motor one; 11, fixed positioning block; 12, connecting block; 13, rotary screw; 14, movable positioning block; 15, dust cover; 16, lifting screw; 17, lifting guide rod; 18, cleaning ring; 19, motor two; 20, dust outlet. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are involved in the protection scope of the utility model.

[0029] Embodiment one

[0030] Please refer to Figure 1- Figure 5 The utility model provides a kind of building fire alarm device, comprising: mounting plate 1 and fixed plate 2 being located below it, wherein, the two side surfaces of mounting plate 1 are provided with sliding slot, and installation reserved hole is provided at its four corners;

[0031] Fire alarm body 3 being located at the bottom of fixed plate 2, fire alarm body 3 is installed by being located on the fixed mechanism of fixed plate 2;

[0032] Symmetrical slidingly connected in the two side surfaces of mounting plate 1 movable plate 4;

[0033] Reciprocating screw 5 is rotatably connected between the opposite surfaces of two movable plates 4, and driving member is provided on movable plate 4;

[0034] Guiding light pole 6 is fixedly installed between the opposite surfaces of two movable plates 4 and located at one side of reciprocating screw 5;

[0035] Sliding block 7 is threadedly connected to the surface of reciprocating screw 5 and slidably connected with guiding light pole 6, and sliding block 7 is connected with fixed plate 2;

[0036] And moving mechanism for driving movable plate 4 to slide is located at the bottom of mounting plate 1.

[0037] Moving mechanism includes two racks 8 fixedly installed on the bottom of mounting plate 1 symmetrically, and gear 9 is fixedly installed on both ends of reciprocating screw 5 and engaged with rack 8.

[0038] Driving member includes motor one 10 fixedly installed on one side surface of two movable plates 4, and the output end of motor one 10 is movably connected through movable plate 4 and reciprocating screw 5.

[0039] The technical scheme provided by the embodiment is as follows: in use, the fixing plate 1 is fixed at the use position, the fire alarm body 3 is installed at the bottom of the fixing plate 2 through the fixing mechanism, the reciprocating screw rod 5 is driven to rotate by the motor 1, the sliding block 7 is driven to move back and forth along the surface of the guide light rod 6, the fixing plate 2 is driven to move back and forth through the sliding block 7, the fire alarm body 3 is driven to move back and forth through the fixing plate 2, so that the fire alarm body 3 repeatedly moves back and forth, and at the same time that the reciprocating screw rod 5 rotates, the gear 9 is driven to rotate synchronously, the gear 9 rolls on the rack 8 engaged with the gear 9, so that the movable plate 4 is driven to slide along the length direction of the fixing plate 1 under the cooperation of the gear 9 and the rack 8, the fire alarm body 3 is driven to move horizontally, and then the fire alarm body 3 can move horizontally while repeatedly moving back and forth, so that the effect of multidirectional movement of the fire alarm body 3 for adjusting the position is realized, the detection coverage range of the alarm is expanded, the detection range of the alarm is not limited, the use flexibility of the alarm is ensured, and the use effect and the detection range of the fire alarm body 3 are effectively improved.

[0040] Further, the fixing mechanism comprises a plurality of fixed positioning blocks 11 fixedly installed at the bottom of the fixing plate 2, a connecting block 12 fixedly installed at one side of the bottom of the fixing plate 2, a rotating screw rod 13 threadedly connected through the connecting block 12, and a movable positioning block 14 rotationally connected to one end of the rotating screw rod 13.

[0041] The plurality of fixed positioning blocks 11 are distributed in a semicircular form at the bottom of the fixing plate 2 and parallel to the axis of the rotating screw rod 13, a slot for sliding the movable positioning block 14 is formed at the bottom of the fixing plate 2, and the fire alarm body 3 is clamped between the fixed positioning blocks 11 and the movable positioning block 14.

[0042] Specifically, when the fire alarm body 3 is installed, the fire alarm body 3 is placed between the plurality of fixed positioning blocks 11, so that the position of the fire alarm body 3 is preliminarily limited, then the rotating screw rod 13 is rotated, the movable positioning block 14 is driven to slide in the slot through the rotating screw rod 13, so that the movable positioning block 14 is in contact with the fire alarm body 3, and the fire alarm body 3 is positioned and fixed in cooperation with the fixed positioning blocks 11, conversely, the fire alarm body 3 can be disassembled by rotating the rotating screw rod 13 to separate the movable positioning block 14 from the fire alarm body 3, and the installation and disassembly of the fire alarm body 3 are achieved.

[0043] Further, the dust cover 15 is installed in the fire alarm body 3.

[0044] Specifically, the dust cover 15 is arranged to protect the fire alarm body 3, block dust, and prevent dust from entering the fire alarm body 3 to affect detection.

[0045] Embodiment two

[0046] Based on embodiment one, in this embodiment: the fire alarm body 3 is provided with a cleaning mechanism for preventing the dust cover 15 from being blocked.

[0047] The cleaning mechanism comprises a lifting screw rod 16 rotatably connected to one side inside the fire alarm body 3, a lifting guide rod 17 fixedly installed on the other side inside the fire alarm body 3, a cleaning ring 18 threadedly connected to the surface of the lifting screw rod 16 and sliding with the lifting guide rod 17, and a motor two 19 fixedly installed on the bottom of the fire alarm body 3, the output end of the motor two 19 movably extends into the fire alarm body 3 and is connected with the lifting screw rod 16, and a plurality of dust discharge ports 20 are formed on the bottom of the fire alarm body 3, wherein the inner surface of the cleaning ring 18 is provided with a brush.

[0048] The technical scheme provided by the embodiment is: the motor two 19 drives the lifting screw rod 16 to rotate, so that the cleaning ring 18 rises and falls along the surface of the lifting guide rod 17, the surface of the dust cover 15 can be cleaned by the cleaning ring 18, the dust cleaned off is discharged through the dust discharge port 20, the dust cover 15 is cleaned, and the use effect of the fire alarm body 3 is not affected by the blocking of the dust cover 15.

[0049] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A building fire alarm device, characterized in that, The utility model relates to a kind of fire alarm installation structure, including: Mounting plate (1) and fixed plate (2) arranged below it; Fire alarm body (3) is arranged at the bottom of fixed plate (2), and the fire alarm body (3) is installed by fixed mechanism arranged on fixed plate (2); Movable plate (4) is symmetrically slidably connected to the side surface of mounting plate (1); Reciprocating screw (5) is rotatably connected between the opposite surfaces of two movable plates (4), and driving element is arranged on movable plate (4); Guide light pole (6) is fixedly installed between the opposite surfaces of two movable plates (4) and located at one side of reciprocating screw (5); Sliding block (7) is threadedly connected to the surface of reciprocating screw (5) and slidably connected with guide light pole (6), and sliding block (7) is connected with fixed plate (2); And moving mechanism is arranged at the bottom of mounting plate (1) for driving movable plate (4) to slide.

2. A building fire alarm apparatus according to claim 1, wherein The moving mechanism includes two racks (8) symmetrically fixedly installed at the bottom of mounting plate (1), and gear (9) is fixedly installed at both ends of reciprocating screw (5) and engaged with rack (8).

3. A building fire alarm apparatus according to claim 1, wherein The driving element includes motor one (10) fixedly installed at one side surface of one of two movable plates (4), and the output end of motor one (10) is movably connected through movable plate (4) and reciprocating screw (5).

4. A building fire alarm apparatus according to claim 1, wherein The fixed mechanism includes a plurality of fixed positioning blocks (11) fixedly installed at the bottom of fixed plate (2), connecting block (12) fixedly installed at one side of the bottom of fixed plate (2), rotating screw (13) threadedly connected through connecting block (12), and movable positioning block (14) rotatably connected at one end of rotating screw (13).

5. A building fire alarm apparatus according to claim 4, wherein A plurality of fixed positioning blocks (11) are distributed in the form of semicircle, and a slot is formed at the bottom of fixed plate (2) and parallel to the axis of rotating screw (13) for sliding with movable positioning block (14), and the fire alarm body (3) is clamped between fixed positioning block (11) and movable positioning block (14).

6. A building fire alarm apparatus according to claim 1, wherein Dust cover (15) is installed in the fire alarm body (3), and cleaning mechanism is arranged on the fire alarm body (3) for preventing dust cover (15) from being blocked.

7. A building fire alarm apparatus according to claim 6, wherein The cleaning mechanism includes lifting screw (16) rotatably connected at one side inside the fire alarm body (3), lifting guide rod (17) fixedly installed at the other side inside the fire alarm body (3), cleaning ring (18) threadedly connected to the surface of lifting screw (16) and slidably connected with lifting guide rod (17), and motor two (19) fixedly installed at the bottom of the fire alarm body (3), the output end of motor two (19) is movably extended into the fire alarm body (3) and connected with lifting screw (16), and a plurality of dust discharge ports (20) are formed at the bottom of the fire alarm body (3).

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