Smoke alarm with positioning function

Abstract

The utility model provides a smoke alarm with a positioning function, and relates to the technical field of smoke alarms, the smoke alarm comprises a smoke alarm body, a fixing plate and two fixing assemblies, the top of the fixing plate is fixedly connected with a ceiling, and two sides of the bottom of the fixing plate are provided with mounting grooves. Two mounting grooves are formed in the surface of the smoke alarm body, the two fixing assemblies are mounted in the two mounting grooves respectively, two extension blocks are arranged on the surface of the smoke alarm body, and the two fixing assemblies are clamped with the two extension blocks respectively. The smoke alarm body can be mounted only by pressing the smoke alarm body upwards to enable the two clamping pieces to be clamped into the clamping grooves formed in the bottom of the extension plate, and when the smoke alarm body is dismounted, only one side of the pressing block needs to be pressed to enable the two clamping pieces to be separated from the clamping grooves formed in the bottom of the extension plate, so that the smoke alarm body is dismounted. Through the above structure, the installation and disassembly of the smoke alarm are facilitated to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke alarms, in particular to a smoke alarm with a positioning function. Background Art

[0002] Smoke alarm, also known as fire smoke alarm, smoke sensor, smoke inductor, etc., is a device that prevents fire by monitoring the concentration of smoke. It usually uses an ion smoke sensor inside, which is a technologically advanced, stable and reliable sensor. It is widely used in various fire alarm systems. Smoke alarms are generally round, with a diameter of about 10 cm and a compact size. They can be installed on the highest point of the ceiling of the venue. It does not require external wires, but is powered by batteries with very low power consumption. In the early stages of a fire, once smoke is generated, the smoke alarm can sense it and sound an alarm to remind people to take timely measures.

[0003] The existing smoke alarm with a positioning function is generally installed by fixing the base of the smoke alarm to the ceiling through multiple fixing bolts. However, the smoke alarm generally needs to be regularly cleaned of dust on its surface and its internal battery replaced to prevent the smoke alarm from false alarms or no alarms. Therefore, the smoke alarm needs to be disassembled. During the disassembly process, the multiple fixing bolts need to be removed in turn, and during the installation, the multiple fixing bolts also need to be tightened in turn, which is inconvenient.

[0004] Therefore, it is necessary to provide a new smoke alarm with a positioning function to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a smoke alarm with a positioning function.

[0006] The utility model provides a smoke alarm with a positioning function, comprising a smoke alarm body, a fixing plate and two fixing components, wherein the top of the fixing plate is fixedly connected to the ceiling, mounting grooves are provided on both sides of the bottom of the fixing plate, and the two fixing components are respectively installed in the two mounting grooves, and two extension blocks are provided on the surface of the smoke alarm body, and the two fixing components are respectively engaged with the two extension blocks;

[0007] The fixing assembly comprises a push block, two moving blocks, two engaging members and two elastic members, the push block is located in the installation slot, two driving blocks are respectively provided on both sides of the push block, one side of the two driving blocks are inclined, the surfaces of the two moving blocks are respectively provided with first inclined grooves matching the inclined surfaces of the two driving blocks, the surfaces of the two driving blocks are respectively fitted with the inner walls of the two first inclined grooves, the opposite sides of the two moving blocks are respectively fixedly connected to the two sides of the engaging members, the sides of the two moving blocks away from the engaging members are respectively fixedly connected to one end of the two elastic members, the tops of the two elastic members are respectively fixedly connected to the bottom of the fixing plate, second inclined grooves are provided on both sides of the top of the extension block, and a clamping groove is provided at the bottom of the extension block, and the two clamping members are clamped with the clamping grooves.

[0008] Preferably, the engaging part includes a rolling column, two fixed columns and two clamps, one side of the two clamps are fixedly connected to one side of the moving block, the opposite sides of the two clamps are respectively provided with fixing holes, the two fixed columns are respectively located in the two fixing holes, and the opposite ends of the two fixed columns are respectively fixedly connected to the two ends of the rolling column.

[0009] Preferably, the elastic member includes a polygonal column, a spring and a fixed block, one end of the polygonal column is fixedly connected to the side of the moving block away from the clamping plate, the end of the polygonal column away from the moving block passes through one side of the fixed block and can move in the fixed block, the top of the fixed block is fixedly connected to the bottom of the fixed plate, the spring is sleeved on the surface of the polygonal column, and both ends of the spring are respectively fixedly connected to the moving block and the side opposite to the fixed block.

[0010] Preferably, a positioning column is provided at the top of the inner wall of the installation groove, a sliding groove is opened at the top of the push block, a positioning hole is opened at the top of the extension block, and the bottom end of the positioning column passes through the sliding groove and is located in the positioning hole.

[0011] Preferably, limiting grooves are respectively provided on both sides of the push block, and limiting blocks are respectively provided on both sides of the inner wall of the installation groove that are in contact with the push block, and the limiting blocks are located in the limiting grooves.

[0012] Preferably, two indicator lights are provided on the surface of the smoke alarm body.

[0013] Compared with the related art, the smoke alarm with positioning function provided by the utility model has the following beneficial effects:

[0014] When installing the smoke alarm body, it is only necessary to press the smoke alarm body upwards so that the two engaging parts are inserted into the slots provided at the bottom of the extension plate to install the smoke alarm body. When disassembling the smoke alarm body, it is only necessary to press one side of the pressing block so that the two engaging parts are disengaged from the slots provided at the bottom of the extension plate to disassemble the smoke alarm body. The above structure facilitates the installation and disassembly of the smoke alarm to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a smoke alarm with a positioning function provided by the utility model;

[0016] Figure 2 A schematic diagram of the disassembled structure of a smoke alarm with a positioning function provided by the utility model;

[0017] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of shown;

[0018] Figure 4 for Figure 2 The schematic diagram of the split structure of the fixed component shown;

[0019] Figure 5 A schematic diagram of the cross-sectional structure of a smoke alarm with a positioning function provided by the utility model Figure 1 ;

[0020] Figure 6 A schematic diagram of the disassembly structure of a smoke alarm with positioning function provided by the utility model Figure 2 ;

[0021] Figure 7 for Figure 1 The overall structural diagram of the smoke alarm body is shown.

[0022] Numbers in the figure: 1. Smoke alarm body; 2. Fixed plate; 3. Mounting slot; 4. Extension block; 5. Push block; 6. Moving block; 7. Driving block; 8. First inclined slot; 9. Second inclined slot; 10. Card slot; 11. Rolling column; 12. Fixed column; 13. Clamp; 14. Polygonal column; 15. Spring; 16. Fixed block; 17. Positioning column; 18. Sliding slot; 19. Positioning hole; 20. Limiting slot; 21. Limiting block; 22. Indicator light. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0024] Please refer to Figure 1-Figure 7 ,in, Figure 1This is a schematic diagram of the overall structure of a smoke alarm with a positioning function provided by the utility model; Figure 2 A schematic diagram of the disassembled structure of a smoke alarm with a positioning function provided by the utility model; Figure 3 for Figure 2 A schematic diagram of the enlarged structure of shown;

[0025] Figure 4 for Figure 2 The schematic diagram of the split structure of the fixed component shown; Figure 5 A schematic diagram of the cross-sectional structure of a smoke alarm with a positioning function provided by the utility model Figure 1 ; Figure 6 A schematic diagram of the disassembly structure of a smoke alarm with positioning function provided by the utility model Figure 2 ; Figure 7 for Figure 1 The overall structural diagram of the smoke alarm body is shown.

[0026] In the specific implementation process, Figure 1-Figure 7 As shown, a smoke alarm with a positioning function comprises a smoke alarm body 1, a fixing plate 2 and two fixing components. The top of the fixing plate 2 is fixedly connected to the ceiling by a plurality of bolts. The fixing plate 2 has mounting grooves 3 on both sides of the bottom. The two fixing components are respectively mounted in the two mounting grooves 3. The surface of the smoke alarm body 1 is provided with two extension blocks 4. The two fixing components are respectively engaged with the two extension blocks 4.

[0027] The fixed assembly includes a push block 5, two moving blocks 6, two engaging members and two elastic members. The push block 5 is located in the installation groove 3. Two driving blocks 7 are respectively arranged on both sides of the push block 5. One side of the two driving blocks 7 is inclined. The surfaces of the two moving blocks 6 are respectively provided with first inclined grooves 8 matching the inclined surfaces of the two driving blocks 7. The surfaces of the two driving blocks 7 are respectively fitted with the inner walls of the two first inclined grooves 8. The opposite sides of the two moving blocks 6 are respectively fixedly connected to one side of the two engaging members. The sides of the two moving blocks 6 away from the engaging members are respectively fixedly connected to one end of the two elastic members. The tops of the two elastic members are fixedly connected to the bottom of the fixed plate 2. Second inclined grooves 9 are provided on both sides of the top of the extension block 4. The bottom of the extension block 4 is provided with The card slot 10, the two engaging parts are engaged with the card slot 10, the engaging parts include a rolling column 11, two fixing columns 12 and two clamping plates 13, one side of the two clamping plates 13 is fixedly connected to one side of the moving block 6, the opposite sides of the two clamping plates 13 are respectively provided with fixing holes, the two fixing columns 12 are respectively located in the two fixing holes, the opposite ends of the two fixing columns 12 are respectively fixedly connected to the two ends of the rolling column 11, the inner walls of the two second inclined grooves 9 at the top of the extension plate can respectively squeeze the surfaces of the two rolling columns 11, so that the two rolling columns 11 rotate, reducing friction to a certain extent, and facilitating installation, the top of the inner wall of the card slot 10 is set in a ^ shape to prevent the smoke alarm body 1 from falling off due to its own gravity;

[0028] The elastic member includes a polygonal column 14, a spring 15 and a fixed block 16. One end of the polygonal column 14 is fixedly connected to the side of the moving block 6 away from the clamping plate 13. The end of the polygonal column 14 away from the moving block 6 passes through one side of the fixed block 16 and can move in the fixed block 16. The top of the fixed block 16 is fixedly connected to the bottom of the fixed plate 2. The spring 15 is sleeved on the surface of the polygonal column 14. The two ends of the spring 15 are fixedly connected to the moving block 6 and the opposite side of the fixed block 16 respectively. A plurality of columns can move in the fixed block 16, thereby limiting the moving block 6 and controlling the moving direction of the moving block 6.

[0029] A positioning column 17 is provided at the top of the inner wall of the installation groove 3, a sliding groove 18 is provided at the top of the push block 5, and a positioning hole 19 is provided at the top of the extension block 4. The bottom end of the positioning column 17 passes through the sliding groove 18 and is located in the positioning hole 19. When installing the smoke alarm body 1, the positioning holes 19 on the two extension plates are aligned with the two positioning columns 17 respectively, and the positioning columns 17 are inserted into the positioning holes 19, so that the smoke alarm body 1 is conveniently installed;

[0030] Limiting grooves 20 are respectively provided on both sides of the push block 5, and limiting blocks 21 are respectively provided on both sides of the inner wall of the installation groove 3 that fits the push block 5. The limiting blocks 21 are located in the limiting grooves 20. The limiting blocks 21 and the limiting grooves 20 prevent the push block 5 from being separated from the installation groove 3.

[0031] Two indicator lights 22 are provided on the surface of the smoke alarm body 1. When multiple smoke alarms are installed in the same space, when the smoke alarm detects thick smoke and sounds an alarm, the indicator will flash, allowing people to quickly locate the alarming smoke alarm and respond.

[0032] The working principle of the utility model is as follows: when installing the smoke alarm body 1, the positioning holes 19 on the two extension plates are aligned with the two positioning posts 17 respectively, the positioning posts 17 are inserted into the positioning holes 19, and then the smoke alarm body 1 is pushed upward, so that the inner walls of the two second inclined grooves 9 on the top of the extension plate respectively squeeze the surfaces of the two rolling posts 11, so that the two rolling posts 11 rotate to reduce friction, and the two rolling posts 11 respectively push the two moving blocks 6 away from each other through the clamping plate 13, and the two moving blocks 6 respectively compress the two springs 15, when the extension plate When the bottom card slot 10 is aligned with the two rolling columns 11, the two moving blocks 6 will approach each other under the action of the spring 15 rebounding, thereby driving the two rolling columns 11 to be stuck in the card slot 10, fixing the extension plate, and thus fixing the smoke alarm body 1. When the smoke alarm body 1 is disassembled, by pressing one side of the pressing block 5, the pressing block 5 drives the two driving blocks 7 to squeeze the inner walls of the first inclined grooves 8 opened on the surfaces of the two moving blocks 6, respectively, so that the two moving blocks 6 move away from each other, the extension plate loses its fixation, and the smoke alarm body 1 can be disassembled.

[0033] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0034] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A smoke alarm with positioning function, characterized in that: The smoke alarm comprises a body (1), a fixing plate (2) and two fixing components, wherein the top of the fixing plate (2) is fixedly connected to the ceiling, the bottom of the fixing plate (2) is provided with mounting grooves (3) on both sides, and the two fixing components are respectively installed in the two mounting grooves (3), and the surface of the smoke alarm body (1) is provided with two extension blocks (4), and the two fixing components are respectively engaged with the two extension blocks (4); The fixing assembly comprises a push block (5), two moving blocks (6), two engaging members and two elastic members. The push block (5) is located in the mounting groove (3). Two driving blocks (7) are respectively arranged on both sides of the push block (5). One side of the two driving blocks (7) is inclined. The surfaces of the two moving blocks (6) are respectively provided with first inclined grooves (8) matching the inclined surfaces of the two driving blocks (7). The surfaces of the two driving blocks (7) are respectively fitted with the inner walls of the two first inclined grooves (8). The opposite sides of the two moving blocks (6) are respectively fixedly connected to the one side of the two engaging members. The sides of the two moving blocks (6) away from the engaging members are respectively fixedly connected to one end of the two elastic members. The tops of the two elastic members are fixedly connected to the bottom of the fixing plate (2). Second inclined grooves (9) are arranged on both sides of the top of the extension block (4). A clamping groove (10) is arranged at the bottom of the extension block (4). The two clamping members are clamped with the clamping groove (10).

2. A smoke alarm with positioning function according to claim 1, characterized in that: The engaging member comprises a rolling column (11), two fixing columns (12) and two clamping plates (13); one side of the two clamping plates (13) is fixedly connected to one side of the moving block (6); fixing holes are respectively provided on opposite sides of the two clamping plates (13); the two fixing columns (12) are respectively located in the two fixing holes; and opposite ends of the two fixing columns (12) are respectively fixedly connected to two ends of the rolling column (11).

3. The smoke alarm with positioning function according to claim 2, characterized in that: The elastic member comprises a polygonal column (14), a spring (15) and a fixed block (16); one end of the polygonal column (14) is fixedly connected to a side of the moving block (6) away from the clamping plate (13); the end of the polygonal column (14) away from the moving block (6) passes through a side of the fixed block (16) and can move inside the fixed block (16); the top of the fixed block (16) is fixedly connected to the bottom of the fixed plate (2); the spring (15) is sleeved on the surface of the polygonal column (14); and the two ends of the spring (15) are respectively fixedly connected to the moving block (6) and the side opposite to the fixed block (16).

4. The smoke alarm with positioning function according to claim 3, characterized in that: A positioning column (17) is provided at the top of the inner wall of the installation groove (3), a sliding groove (18) is provided at the top of the push block (5), a positioning hole (19) is provided at the top of the extension block (4), and the bottom end of the positioning column (17) passes through the sliding groove (18) and is located in the positioning hole (19).

5. The smoke alarm with positioning function according to claim 4, characterized in that: Limiting grooves (20) are respectively provided on both sides of the push block (5); limiting blocks (21) are respectively provided on both sides of the inner wall of the installation groove (3) that abut against the push block (5); and the limiting blocks (21) are located in the limiting grooves (20).

6. The smoke alarm with positioning function according to claim 5, characterized in that: Two indicator lights (22) are provided on the surface of the smoke alarm body (1).

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