Intelligent community Internet of Things fire alarm device

Abstract

The utility model relates to the technical field of security and fire protection, in particular to an intelligent community internet of things fire alarm device, which comprises an installation main body, a connecting block and an installation block, the bottom of the installation main body is provided with a sealing protection part, and the side wall of the installation main body is connected with a buzzer; the connecting block is connected to the mounting main body in a sliding manner, and is provided with a self-locking structure facing the sealing protection part; the mounting block is arranged on the connecting block in a penetrating mode and abuts against the self-locking structure, the end face, away from the connecting block, of the mounting block is connected with a camera and a smoke sensing module, and the smoke sensing module is electrically connected to the buzzer. The utility model aims to enable equipment to give an alarm in time when a fire disaster occurs, and the equipment is convenient to maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of security and fire protection, and in particular to a fire alarm device for an Internet of Things in a smart community. Background Art

[0002] The smart community IoT fire alarm device is an innovative device that combines IoT technology and fire safety monitoring, aiming to improve the fire warning and emergency response capabilities of communities and buildings. The relevant technologies of this device may involve IoT sensor technology, data acquisition and processing technology, Internet communication technology, intelligent algorithm and decision-making technology, and safety and reliability technology. Through the combination and innovation of these technologies, the smart community IoT fire alarm device has important application prospects and market demand in the field of fire safety monitoring.

[0003] In the related technology, the monitoring equipment can be moved up and down by fixing the column to the base plate and sliding the sliding block to the base plate. The camera is movably installed on the mounting block. A mounting hole is provided on the mounting block, and a locking structure is penetrated through the mounting block at the mounting block away from the mounting hole and facing the mounting block. The locking structure is rotatably connected to the mounting block. The camera is provided with a through hole and a locking groove relative to the locking structure. The locking structure is completely inserted into the camera through the through hole. The locking structure is rotated so that it abuts against the locking groove to complete the locking, which makes it convenient to maintain the camera.

[0004] However, because the relevant locking structures are all arranged internally, when the camera needs to be disassembled for maintenance, it is impossible to accurately judge the timing of unlocking because the specific relationship between the locking groove and the locking structure is unknown, and the camera itself is relatively heavy and can easily be damaged during disassembly. Utility Model Content

[0005] The main purpose of the utility model is to provide a smart community Internet of Things fire alarm device, which aims to enable the equipment to alarm in time when a fire occurs and is easy to maintain.

[0006] In order to achieve the above-mentioned purpose, the utility model proposes a smart community Internet of Things fire alarm device, including an installation body, a connection block and an installation block:

[0007] A sealing protection portion is provided at the bottom of the installation body, and a buzzer is connected to the side wall of the installation body;

[0008] The connecting block is slidably connected to the installation body and is provided with a self-locking structure facing the sealing protection part; and

[0009] The mounting block passes through the connecting block and abuts against the self-locking structure. The end surface of the mounting block facing away from the connecting block is connected with a camera and a smoke sensing module, and the smoke sensing module is electrically connected to the buzzer.

[0010] In one embodiment of the present application, the connecting block includes a sliding portion and a connecting portion:

[0011] The sliding portion is slidably connected to the mounting body; and

[0012] The connecting portion is connected to an end of the sliding portion away from the installation body, a connecting space is arranged in the connecting portion, and the self-locking structure passes through the connecting portion and is connected to the connecting space.

[0013] In one embodiment of the present application, the connecting portion includes a matching portion and a locking portion:

[0014] The matching portion is connected to the sliding portion, and the end surface of the matching portion facing the sealing protection portion is provided with the connecting space; and

[0015] The locking portion is connected to the end surface of the matching portion facing the sealing protection portion, the connecting space is arranged through the locking portion, the self-locking structure is arranged through the locking portion and wrapped around the connecting space, and the mounting block is arranged through the connecting space.

[0016] In one embodiment of the present application, the self-locking structure includes an adjustment chamber, a locking rod and a locking member:

[0017] The regulating cavity is disposed through the locking portion and is connected to the connecting space;

[0018] The locking rod is inserted into the adjusting cavity, a locking spring is wrapped around the outer wall of the locking rod, the locking spring abuts against the adjusting cavity, and a pull head is provided at one end of the locking rod away from the connecting space; and

[0019] The locking piece is inserted into the locking portion, the locking rod is provided with a through hole facing the locking piece, and the locking piece is clamped in the through hole.

[0020] In one embodiment of the present application, the locking rod includes a locking end, a limiting portion and an energy storage portion:

[0021] The locking end head is arranged in the connection space, and the height of the locking end head gradually decreases along the extension direction of the locking rod facing the connection space;

[0022] The limiting portion is connected to the slider, the limiting portion is a polyhedron, and the limiting portion is slidably connected to the adjusting cavity; and

[0023] The energy storage part is arranged between the locking end and the limiting part, and the energy storage part is abutted against the locking spring. One end of the locking spring abuts against the locking end, and the other end is wrapped around the limiting part and abuts against the regulating cavity.

[0024] In one embodiment of the present application, the self-locking structure is provided with at least two groups, and the two groups of the self-locking structure are circumferentially spaced apart and arranged on the locking portion.

[0025] In one embodiment of the present application, the mounting block includes a mounting portion, an abutment end, and a release block:

[0026] The mounting portion is connected to the camera and the smoke sensing module, and an adjustment rod is provided on the end surface of the mounting portion facing away from the smoke sensing module;

[0027] The abutting end is connected to the adjusting rod and is provided with a matching groove facing the mounting portion; and

[0028] The release block is sleeved on the adjusting rod and slidably connected to the adjusting rod. The release block is provided with a first sliding surface facing the matching groove. The height of the first sliding surface gradually decreases along the extension direction away from the adjusting rod. The end surface of the release block facing away from the abutting end is provided with a second sliding surface relative to the first sliding surface.

[0029] In one embodiment of the present application, an installation cavity is provided in the installation body, an adjustment component is passed through the installation cavity, the adjustment component includes a screw rod and a motor, the motor is passed through the sealing protection part, one end of the screw rod is drivingly connected to the motor, and the other end is rotatably connected to the installation body, and the connecting block is connected to the screw rod.

[0030] The technical solution of the utility model adopts the method of decomposing the structure of the fire alarm device into an installation body, a connecting block and an installation block according to functions. The connecting block and the installation block are both connected to the installation body, and a buzzer is installed on the side wall of the installation body. Because the connecting block is slidably connected to the installation body, and the installation block is connected to the connecting block, the connecting block is provided with a self-locking structure relative to the installation block, and the installation block can be locked very conveniently through the self-locking structure, and a camera and a smoke sensing module are arranged on the installation block, and the smoke sensing module is electrically connected to the buzzer. When the device detects a fire, the buzzer can give an emergency alarm to the user, and the camera can retain relevant information, which is convenient for later inquiry of the cause of the fire, and the camera and other structures can also be adjusted in position through the connecting block. By lowering the height of the connecting block, the camera can be close to the user, which is convenient for the user to maintain the camera. The self-locking structure is easy to release and can also improve the maintenance efficiency. The above structure can make a fire alarm more timely, and the overall structure is convenient for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0032] Figure 1 This is a structural diagram of an embodiment of the smart community Internet of Things fire alarm device of the utility model;

[0033] Figure 2 This is a cross-sectional view of an embodiment of the smart community Internet of Things fire alarm device of the utility model;

[0034] Figure 3 for Figure 2 A partial enlarged view of the middle A;

[0035] Figure 4 This is a schematic diagram of the locking rod structure of an embodiment of the smart community Internet of Things fire alarm device of the utility model.

[0036] Description of Figure Numbers:

[0037] 1. Installation body; 11. Installation cavity; 12. Adjustment assembly; 13. Screw rod; 14. Motor; 15. Sealing protection part; 16. Buzzer; 2. Connection block; 21. Sliding part; 3. Connection part; 31. Matching part; 32. Locking part; 33. Connection space; 4. Self-locking structure; 41. Adjustment cavity; 5. Locking rod; 51. Locking end; 52. Energy storage part; 53. Locking spring; 54. Limiting part; 55. Perforation; 56. Pull head; 6. Locking piece; 7. Installation block; 71. Installation part; 711. Camera; 712. Smoke sensor module; 72. Adjustment rod; 73. Abutment end; 731. Matching groove; 74. Release block; 741. First sliding surface; 742. Second sliding surface.

[0038] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0040] Reference Figures 1 to 4In one embodiment of the utility model, a smart community Internet of Things fire alarm device is proposed, including an installation body 1, a connecting block 2 and an installation block 7. A sealing protection part 15 is provided at the bottom of the installation body 1, and a buzzer 16 is connected to the side wall of the installation body 1; the connecting block 2 is slidably connected to the installation body 1, and a self-locking structure 4 is provided facing the sealing protection part 15; the installation block 7 is penetrated by the connecting block 2 and abuts against the self-locking structure 4, and a camera 711 and a smoke sensing module 712 are connected to the end face of the installation block 7 facing away from the connecting block 2, and the smoke sensing module 712 is electrically connected to the buzzer 16.

[0041] In a smart community Internet of Things fire alarm device of the present application, the structure of the fire alarm device is decomposed into an installation body 1, a connecting block 2 and a mounting block 7 according to the function. The connecting block 2 and the mounting block 7 are both connected to the installation body 1, and a buzzer 16 is installed on the side wall of the installation body 1. Because the connecting block 2 is slidably connected to the installation body 1, and the mounting block 7 is connected to the connecting block 2, the connecting block 2 is provided with a self-locking structure 4 relative to the mounting block 7, and the mounting block 7 can be locked very conveniently through the self-locking structure 4, and the mounting block 7 is provided with a camera 711 and a smoke sensing module 712, and the smoke The sensing module 712 is electrically connected to the buzzer 16. When the device detects a fire, the buzzer 16 can give an emergency alarm to the user, and the camera 711 can retain relevant information to facilitate later inquiries about the cause of the fire. The camera 711 and other structures can also be adjusted in position through the connecting block 2. By lowering the height of the connecting block 2, the camera 711 can be brought close to the user, making it convenient for the user to maintain the camera 711. The self-locking structure 4 is easy to release and can also improve maintenance efficiency. The above structure can provide a fire alarm in a more timely manner, and the overall structure is easy to maintain.

[0042] Combined with reference Figure 1 to Figure 2 In one embodiment of the present application, the connecting block 2 includes a sliding portion 21 and a connecting portion 3, the sliding portion 21 is slidably connected to the installation body 1; the connecting portion 3 is connected to one end of the sliding portion 21 away from the installation body 1, a connecting space 33 is provided in the connecting portion 3, and the self-locking structure 4 is passed through the connecting portion 3 and connected to the connecting space 33.

[0043] In a smart community Internet of Things fire alarm device of the present application, the connecting block 2 includes a sliding part 21 and a connecting part 3. The sliding part 21 is slidably connected to the installation body 1 to facilitate the installation body 1 to adjust the position of structures such as the camera 711, and the connecting part 3 is connected to the sliding part 21. The sliding part 21 drives the connecting part 3, and the connecting part 3 drives this structure to facilitate the height adjustment and improve the maintenance efficiency. A connecting space 33 is provided inside the connecting part 3. The installation block 7 can be plugged into the connecting space 33, and the self-locking structure 4 is connected to the connecting space 33. The installation block 7 can be locked by the self-locking structure 4. The self-locking structure 4 itself can be designed as a pull rod or bolt structure, and the installation block 7 is clamped by plugging or screwing, so that the overall installation structure is easy to disassemble.

[0044] Combined with reference Figure 2 In one embodiment of the present application, the connecting portion 3 includes a matching portion 31 and a locking portion 32, the matching portion 31 is connected to the sliding portion 21, and a connecting space 33 is penetrated through the end surface of the matching portion 31 facing the sealing protection portion 15; the locking portion 32 is connected to the end surface of the matching portion 31 facing the sealing protection portion 15, the connecting space 33 is penetrated through the locking portion 32, the self-locking structure 4 is penetrated through the locking portion 32, and is surrounded by the connecting space 33, and the mounting block 7 is penetrated through the connecting space 33.

[0045] In a smart community Internet of Things fire alarm device of the present application, the connecting part 3 includes a matching part 31 and a locking part 32. The matching part 31 is directly connected to the sliding part 21, and the locking part 32 is connected to the matching part 31. Such a structure can make the overall center stable and avoid damage to the connecting block 2. The connecting space 33 is arranged through the locking part 32 and partially penetrates the matching part 31. The connecting space 33 can be extended through the matching part 31, making the connection more convenient. The self-locking structure 4 is penetrated in the locking part 32. The self-locking structure 4 can be a structure of balls and energy storage springs. By arranging multiple groups of balls on the periphery of the connecting space 33, the balls are penetrated in the locking part 32, and the energy storage spring is also arranged in the locking part 32. The mounting block 7 can also be reasonably clamped by the balls, and the overall structure is easy to disassemble and convenient for maintenance.

[0046] Combined with reference Figure 3 In one embodiment of the present application, the self-locking structure 4 includes an adjusting cavity 41, a locking rod 5 and a locking piece 6. The adjusting cavity 41 is penetrated by the locking portion 32 and is connected to the connecting space 33; the locking rod 5 is penetrated by the adjusting cavity 41, and the outer wall of the locking rod 5 is wrapped with a locking spring 53, the locking spring 53 abuts against the adjusting cavity 41, and a pull head 56 is provided at one end of the locking rod 5 away from the connecting space 33; the locking piece 6 is penetrated by the locking portion 32, and the locking rod 5 is provided with a through hole 55 facing the locking piece 6, and the locking piece 6 is clamped in the through hole 55.

[0047] In a smart community IoT fire alarm device of the present application, the self-locking structure 4 can be divided into an adjusting chamber 41, a locking rod 5 and a locking member 6. The adjusting chamber 41 is penetrated in the locking portion 32 and is connected to the connecting space 33. The locking rod 5 is penetrated in the adjusting chamber 41 and can slide in the adjusting chamber 41. The locking rod 5 is at least partially penetrated in the connecting space 33. The periphery of the locking rod 5 is surrounded by a locking spring 53. The locking spring 53 can make the locking rod 5 freely stretch and reset, which can facilitate the installation of the mounting block 7 and the locking member 6. A pull head 56 is provided at one end of the rod 5 away from the connecting space 33. The locking rod 5 is pulled into the adjusting cavity 41 through the pull head 56, and the mounting block 7 is installed in the connecting space 33. The pull head 56 is released, and the locking spring 53 drives the self-locking structure 4 to reset, so that the mounting block 7 can be easily locked / released. The locking piece 6 is penetrated through the locking portion 32, and a through hole 55 is provided on the locking rod 5. The through hole 55 is made to face the locking piece 6 through the pull head 56, and the through hole 55 can be penetrated through the locking piece 6, and the locking rod 5 is clamped so that the locking rod 5 is locked, which is convenient for its use.

[0048] Combined with reference Figures 2 to 4 In one embodiment of the present application, the locking rod 5 includes a locking end 51, a limiting portion 54 and an energy storage portion 52. The locking end 51 is inserted into the connecting space 33, and the height of the locking end 51 gradually decreases along the extension direction of the locking rod 5 facing the connecting space 33; the limiting portion 54 is connected to the pull head 56, and the structure of the limiting portion 54 is a polyhedron, and the limiting portion 54 is slidably connected to the adjusting cavity 41; the energy storage portion 52 is arranged between the locking end 51 and the limiting portion 54, and the energy storage portion 52 is abutted against a locking spring 53, one end of the locking spring 53 abuts against the locking end 51, and the other end is wrapped around the limiting portion 54 and abuts against the adjusting cavity 41.

[0049] In a smart community Internet of Things fire alarm device of the present application, the locking rod 5 in this embodiment includes a locking end 51, a limiting portion 54 and an energy storage portion 52. The locking end 51 is used to lock the mounting block 7. The projection of its structure on the plane is a right triangle with the right angle side facing upward. Through the right angle side, the mounting block 7 can be more stably clamped to prevent the mounting block 7 from loosening. The limiting portion 54 is connected to the pull head 56. In this embodiment, the limiting portion 54 is a rectangular parallelepiped, but polyhedral structures such as triangles can also play a role. The rectangular parallelepiped is simple in design, and because of its clear edges and corners, when it is slidably connected to the adjustment cavity 41, it can form a limit between the adjustment cavity 41 to prevent the locking end 51 and the through hole 55 from changing their orientation. The energy storage portion 52 is arranged between the locking end 51 and the limiting portion 54, and the energy storage spring is arranged on the energy storage portion 52. Through the energy storage spring, the mounting block 7 can be locked more conveniently, and it can also be more convenient to do so when it needs to be disassembled.

[0050] Combined with reference Figure 1In one embodiment of the present application, at least two groups of self-locking structures 4 are provided, and the two groups of self-locking structures 4 are circumferentially spaced apart and arranged on the locking portion 32 .

[0051] In a smart community Internet of Things fire alarm device of the present application, multiple groups of self-locking structures 4 can be provided, wherein the self-locking structures 4 lock the mounting block 7 because there is a connecting space 33 to limit the mounting block 7, and only one group of self-locking structures 4 is needed to limit the position, and the remaining self-locking structures 4 can be locked by the locking piece 6 and kept as a backup to avoid damage to one group of self-locking structures 4, which makes the entire structure unusable.

[0052] Combined with reference Figures 2 to 3 In one embodiment of the present application, the mounting block 7 includes a mounting portion 71, an abutting end 73 and a releasing block 74. The mounting portion 71 is connected to a camera 711 and a smoke sensing module 712. An adjusting rod 72 is provided on the end surface of the mounting portion 71 away from the smoke sensing module 712; the abutting end 73 is connected to the adjusting rod 72 and is provided with a matching groove 731 facing the mounting portion 71; the releasing block 74 is sleeved on the adjusting rod 72 and is slidably connected to the adjusting rod 72. The releasing block 74 is provided with a first sliding surface 741 facing the matching groove 731. The height of the first sliding surface 741 gradually decreases along the extension direction away from the adjusting rod 72. The end surface of the releasing block 74 away from the abutting end 73 is provided with a second sliding surface 742 relative to the first sliding surface 741.

[0053] In a smart community Internet of Things fire alarm device of the present application, the mounting block 7 includes a mounting portion 71, an abutment end 73 and a release block 74. The mounting portion 71 is used to install a camera 711 and a smoke sensor module 712, and the mounting portion 71 is provided with an adjustment rod 72 facing the connection space 33, and the adjusting rod 72 can be used to facilitate locking / releasing the mounting block 7. The abutment block is connected to the adjustment rod 72, and a matching groove 731 is provided facing the adjustment rod 72. In this embodiment, the end surface of the abutment block facing away from the adjustment rod 72 is provided with a hemispherical surface, and the locking end 51 is an inclined surface facing the abutment block, and the abutment block can be directly plugged through the locking end 51. After passing through, the locking end 51 is reset and clamped on the lower surface of the abutment block to complete the locking of the mounting block 7, and the release block 74 is sleeved on the adjustment rod 72 and slidably connected to the adjustment rod 72. The release block 74 faces the matching groove The locking head 51 is pressed against the locking nut 731 to secure the locking nut 731 in place and the locking nut 732 is engaged with the first and second locking nut 731 .

[0054] Combined with reference Figure 1 to Figure 2 In one embodiment of the present application, an installation cavity 11 is provided in the installation body 1, and an adjustment component 12 is passed through the installation cavity 11. The adjustment component 12 includes a screw rod 13 and a motor 14. The motor 14 is passed through the sealing protection part 15. One end of the screw rod 13 is drivingly connected to the motor 14, and the other end is rotatably connected to the installation body 1. The connecting block 2 is connected to the screw rod 13.

[0055] In a smart community Internet of Things fire alarm device of the present application, an installation cavity 11 is opened in the installation body 1, and an adjustment component 12 is arranged in the installation cavity 11. In this embodiment, the adjustment component 12 includes a motor 14 and a screw rod 13, which is screwed to the connecting block 2 through the screw rod 13, and the motor 14 is penetrated in the sealing protection part 15. The rotation of the motor 14 drives the camera 711 and the smoke sensing module 712 to move up and down, which can facilitate users to adjust the position of the camera 711 and the like, and can also facilitate maintenance. The above structure can quickly sense fire and alarm, and can effectively improve maintenance efficiency.

[0056] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of this application, it should be understood that if the terms "upper", "lower", "left", "right", etc. indicate an orientation or position relationship based on the orientation or position relationship shown in the drawings, it is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0057] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A smart community Internet of Things fire alarm device, characterized in that: include: An installation body, wherein a sealing protection portion is provided at the bottom of the installation body, and a buzzer is connected to a side wall of the installation body; a connecting block, the connecting block being slidably connected to the installation body and having a self-locking structure facing the sealing protection part; and The mounting block is passed through the connecting block and abuts against the self-locking structure. The end surface of the mounting block facing away from the connecting block is connected with a camera and a smoke sensing module, and the smoke sensing module is electrically connected to the buzzer.

2. A smart community Internet of Things fire alarm device according to claim 1, characterized in that: The connection block comprises: a sliding portion, the sliding portion being slidably connected to the mounting body; and A connecting part is connected to an end of the sliding part away from the installation body, a connecting space is arranged in the connecting part, and the self-locking structure passes through the connecting part and is connected to the connecting space.

3. A smart community Internet of Things fire alarm device according to claim 2, characterized in that: The connecting portion comprises: a matching portion, the matching portion being connected to the sliding portion, and the connecting space being formed through an end surface of the matching portion facing the sealing protection portion; and The locking part is connected to the end surface of the matching part facing the sealing protection part, the connecting space is arranged through the locking part, the self-locking structure is arranged through the locking part and wrapped around the connecting space, and the mounting block is arranged through the connecting space.

4. A smart community Internet of Things fire alarm device according to claim 3, characterized in that: The self-locking structure comprises: an adjusting cavity, the adjusting cavity being arranged through the locking portion and being connected to the connecting space; A locking rod, the locking rod is inserted into the adjusting cavity, a locking spring is wrapped around the outer wall of the locking rod, the locking spring abuts against the adjusting cavity, and a pull head is provided at one end of the locking rod away from the connecting space; and A locking piece is inserted into the locking portion, a through hole is provided on the locking rod facing the locking piece, and the locking piece is clamped in the through hole.

5. A smart community Internet of Things fire alarm device according to claim 4, characterized in that: The locking lever comprises: A locking end head, the locking end head is inserted into the connection space, and the height of the locking end head gradually decreases along the extension direction of the locking rod facing the connection space; A limiting portion, the limiting portion is connected to the slider, the limiting portion has a polyhedron structure, and the limiting portion is slidably connected to the adjusting cavity; and The energy storage part is arranged between the locking end and the limiting part, the energy storage part is abutted against the locking spring, one end of the locking spring abuts against the locking end, and the other end is wrapped around the limiting part and abuts against the regulating cavity.

6. A smart community Internet of Things fire alarm device according to claim 4, characterized in that: The self-locking structure is provided with at least two groups, and the two groups of the self-locking structure are circumferentially spaced apart and arranged on the locking portion.

7. A smart community Internet of Things fire alarm device according to any one of claims 1 to 5, characterized in that: The mounting block comprises: A mounting portion, the mounting portion being connected to the camera and the smoke sensing module, and an adjustment rod being provided on an end surface of the mounting portion facing away from the smoke sensing module; an abutting end, the abutting end being connected to the adjusting rod and having a matching groove facing the mounting portion; and A release block, which is sleeved on the adjusting rod and slidably connected to the adjusting rod. The release block is provided with a first sliding surface facing the matching groove, and the height of the first sliding surface gradually decreases along the extension direction away from the adjusting rod. The end surface of the release block facing away from the abutting end is provided with a second sliding surface relative to the first sliding surface.

8. A smart community Internet of Things fire alarm device according to any one of claims 1 to 5, characterized in that: An installation cavity is provided in the installation body, and an adjustment component is passed through the installation cavity. The adjustment component includes a screw rod and a motor. The motor is passed through the sealing protection part. One end of the screw rod is drivingly connected to the motor, and the other end is rotatably connected to the installation body. The connecting block is connected to the screw rod.

Images