A fire detector housing anti-shock structure

Abstract

The utility model relates to fire detector technical field especially relates to a fire detector shell anti shock structure, including fixed base, the fixed base lower extreme thread connection has installation component, the inner wall surface of installation component is inserted and is connected with anti shock subassembly, anti shock subassembly lower extreme fixedly connected with fire detector mounting seat, the lower end edge department of fire detector mounting seat is opened with a plurality of up and down through fire detector mounting hole. The utility model discloses a fire detector shell anti shock structure, damper in anti shock subassembly utilizes damping characteristic to consume vibration kinetic energy, and spring further absorbs vibration energy through telescopic deformation, and both form'damping - spring'double damping structure, and the vibration intensity is weakened greatly, then, through the buffer block, the weakened vibration is transmitted to fire detector mounting seat, and the influence of vibration on detector is reduced to the greatest extent, solves the problem that traditional fire detector shell anti shock effect is poor.

Description

Technical Field

[0001] This utility model relates to the field of fire detector technology, and in particular to a shock-resistant structure for the housing of a fire detector. Background Technology

[0002] Fire detectors, as the core sensing devices of fire safety systems, are widely used in various places such as residences, commercial buildings, industrial plants, hotels, and hospitals. Their main function is to monitor fire characteristic signals such as smoke, temperature, and flames in the environment in real time, and to quickly trigger an alarm when a fire is detected, thus buying critical time for personnel evacuation and fire fighting, which is directly related to the safety of life and property. In environments such as floors near elevator shafts, workshops with large machinery in factories, and street-facing buildings near highways, frequent equipment operation, vehicle traffic, and personnel activity continuously generate vibrations of varying intensities. However, current fire detector housings on the market only focus on protection and sealing, with relatively simple vibration damping designs, or even lacking anti-vibration structures. This makes the detectors prone to poor internal wiring contact and sensor damage due to vibration, shortening the equipment's lifespan and failing to meet the requirements for stable operation of fire detectors in vibrating environments, thus posing a potential fire safety hazard. Therefore, we have introduced an anti-vibration structure for fire detector housings. Utility Model Content

[0003] The main purpose of this utility model is to provide a shock-resistant structure for the housing of a fire detector, which can effectively solve the problems in the background art.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A shock-resistant structure for a fire detector housing includes a mounting base, a mounting assembly threaded to the lower end of the mounting base, a shock-resistant component inserted into the inner wall of the mounting assembly, a fire detector mounting base fixedly connected to the lower end of the shock-resistant component, and a plurality of through-holes for the fire detector mounting base at the lower edge of the fire detector mounting base.

[0005] Preferably, the seismic-resistant component includes a fixing rod, bolts, and fixing lugs. The fixing rod has second threaded holes at both its left and right ends. A damper is fixedly installed at the lower end of the fixing lugs. A first fixing ring is fixedly sleeved on the upper part of the outer surface of the damper. Several reinforcing triangular blocks are fixedly connected to the upper end of the first fixing ring, and the ends of the reinforcing triangular blocks near the center of the first fixing ring are fixedly connected to the outer surface of the damper. A spring is fixedly connected to the lower end of the first fixing ring, and a buffer block is fixedly connected to the lower end of the spring. The lower end of the buffer block is fixedly connected to the upper end of the fire detector mounting base. A second fixing ring is fixedly sleeved on the outer surface of the buffer block, and several T-shaped balance bars are fixedly connected to the outer surface of the second fixing ring.

[0006] By adopting the above technical solution, the damper and spring form a "damping-spring" dual damping structure, which can effectively reduce vibration energy.

[0007] Preferably, the fixing base includes a fixing plate, the fixing plate has several through fixing holes at its lower edge, a rubber buffer pad is fixedly connected to the upper end of the fixing plate, and a mounting plate is fixedly connected to the middle of the lower end of the fixing plate, the mounting plate has an internal thread cavity at its lower end.

[0008] By adopting the above technical solution: the fixing holes of the fixing plate make it easy to install the fixing seat in the designated position with screws, and the rubber buffer pad can initially buffer the slight vibration transmitted from the mounting surface, ensuring that the fixing seat has both installation convenience and initial shock resistance.

[0009] Preferably, the mounting assembly includes a housing, a threaded disc is fixedly connected to the upper end of the housing, two sleeve holes are opened on the upper part of the inner wall surface of the housing, two first threaded holes are opened on the upper part of the outer surface of the housing respectively communicating with the two corresponding sleeve holes, and several T-shaped balance grooves are opened on the lower part of the inner wall surface of the housing.

[0010] Preferably, the outer surface of the threaded disc is threaded to the inner wall of the internal threaded cavity, and a plurality of the T-shaped balancing grooves are distributed in a circular array around the center of the housing.

[0011] By adopting the above technical solution: the threaded connection between the threaded disc and the internal threaded cavity ensures that the mounting components are firmly connected to the fixed base and are easy to disassemble and assemble; the T-shaped balance grooves are distributed in a ring array, which can limit the T-shaped balance bar from multiple directions and improve the lateral stability of the fire detector mounting base.

[0012] Preferably, the middle part of the fixing rod is fixedly sleeved in the fixing lug, and the left and right parts of the fixing rod are respectively fixedly sleeved in the corresponding two sleeve holes. Two bolts are provided, and the outer surfaces of the two bolts are respectively threaded to the inner wall surfaces of the corresponding two first threaded holes and extend into the corresponding two second threaded holes.

[0013] By adopting the above technical solution: the fitting of the fixing rod with the fixing lug and the sleeve hole, combined with the threaded connection of the bolt with the first threaded hole and the second threaded hole, the seismic component can be firmly fixed in the installation component, preventing the seismic component from loosening during vibration and ensuring the overall stability of the seismic structure.

[0014] Preferably, the lower part of the damper is located inside the spring and there is a gap between it and the inner wall of the spring. The portions of the T-shaped balance bars that are away from the center of the second fixed ring are respectively movably sleeved in the corresponding T-shaped balance grooves.

[0015] By adopting the above technical solution: the lower part of the damper is located inside the spring and has a gap, which can ensure the free expansion and contraction of the spring for shock absorption, and avoid the interference between the damper and the spring. The movable connection between the T-shaped balance bar and the T-shaped balance slide can effectively limit the lateral displacement without affecting the longitudinal shock absorption of the seismic components, and ensure the stability of the detector attitude.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The rubber buffer pad of the mounting base can initially buffer the slight vibrations transmitted from the mounting surface, reducing the initial intensity of the vibration. Then, the damper in the anti-vibration component uses its damping characteristics to consume the vibration kinetic energy, and the spring further absorbs the vibration energy through its expansion and contraction deformation. The two form a "damping-spring" dual shock absorption structure, which greatly weakens the vibration intensity. Then, the weakened vibration is transmitted to the fire detector mounting base through the buffer block, minimizing the impact of vibration on the detector. In addition, the sliding of the T-shaped balance bar in the T-shaped balance groove can limit the lateral displacement of the fire detector mounting base, prevent the fire detector housing from shaking significantly, and ensure its stability. The entire structure not only solves the problem of poor anti-vibration performance of traditional fire detector housings, but also ensures the monitoring accuracy and service life of the fire detector in vibration environments. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the anti-vibration structure for the housing of a fire detector according to this utility model; Figure 2 This is a cross-sectional view of the anti-vibration structure of a fire detector housing according to the present invention (the fixing base and mounting components are shown in the cross-section). Figure 3 This is an exploded view of the mounting base of a fire detector housing anti-vibration structure according to the present invention (the mounting plate is cut out). Figure 4 This is a cross-sectional view of the installation assembly of a fire detector housing anti-vibration structure according to the present invention (the housing and threaded disc are cut out). Figure 5 This is an exploded view of the structure of the anti-vibration component of the anti-vibration structure for the housing of a fire detector according to this utility model; Figure 6 This utility model relates to a shock-resistant structure for the housing of a fire detector. Figure 5 Enlarged view of the structure at point A in the image.

[0018] In the diagram: 1. Fixing base; 2. Mounting assembly; 3. Seismic resistant assembly; 4. Fire detector mounting base; 5. Fire detector mounting hole; 11. Fixing plate; 12. Fixing hole; 13. Rubber buffer pad; 14. Mounting disc; 15. Internal threaded cavity; 21. Housing; 22. Threaded disc; 23. Sleeve hole; 24. First threaded hole; 25. T-shaped balance groove; 31. Fixing rod; 32. Bolt; 33. Fixing lug; 34. Second threaded hole; 35. Damper; 36. First fixing ring; 37. Reinforcing triangular block; 38. Spring; 39. Buffer block; 391. Second fixing ring; 392. T-shaped balance bar. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0020] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Please see Figure 1-6 This utility model provides a technical solution: A shock-resistant structure for a fire detector housing includes a mounting base 1, a mounting component 2 threadedly connected to the lower end of the mounting base 1, a shock-resistant component 3 inserted through the inner wall of the mounting component 2, a fire detector mounting base 4 fixedly connected to the lower end of the shock-resistant component 3, and several fire detector mounting holes 5 through the lower edge of the fire detector mounting base 4.

[0023] In this embodiment, the seismic component 3 includes a fixing rod 31, a bolt 32, and a fixing lug 33. The fixing rod 31 has second threaded holes 34 at both its left and right ends. A damper 35 is fixedly installed at the lower end of the fixing lug 33. A first fixing ring 36 is fixedly sleeved on the upper part of the outer surface of the damper 35. Several reinforcing triangular blocks 37 are fixedly connected to the upper end of the first fixing ring 36, and the ends of the reinforcing triangular blocks 37 closest to the center of the first fixing ring 36 are fixedly connected to the outer surface of the damper 35. A spring 38 is fixedly connected to the lower end of the first fixing ring 36. A buffer block 39 is fixedly connected to the lower end of the 38, and the lower end of the buffer block 39 is fixedly connected to the upper end of the fire detector mounting base 4. A second fixing ring 391 is fixedly sleeved on the outer surface of the buffer block 39, and several T-shaped balance bars 392 are fixedly connected to the outer surface of the second fixing ring 391. The mounting base 1 includes a fixing plate 11, and several through fixing holes 12 are opened at the lower edge of the fixing plate 11. A rubber buffer pad 13 is fixedly connected to the upper end of the fixing plate 11, and a mounting plate 14 is fixedly connected to the middle of the lower end of the fixing plate 11. The lower end of the mounting plate 14 is opened The assembly has an internal threaded cavity 15; the mounting component 2 includes a housing 21, with a threaded disc 22 fixedly connected to the upper end of the housing 21. Two sleeve holes 23 are opened on the upper part of the inner wall of the housing 21, and two first threaded holes 24, respectively penetrating the corresponding two sleeve holes 23, are opened on the upper part of the outer surface of the housing 21. Several T-shaped balancing grooves 25 are opened on the lower part of the inner wall of the housing 21; the outer surface of the threaded disc 22 is threadedly connected to the inner wall of the internal threaded cavity 15, and the several T-shaped balancing grooves 25 are arranged in a circular array around the center of the housing 21; the middle part of the fixing rod 31 is fixedly sleeved. Inside the fixed lug 33, the left and right parts of the fixed rod 31 are respectively fixedly sleeved in the corresponding two sleeve holes 23. Two bolts 32 are provided, and the outer surfaces of the two bolts 32 are respectively threaded to the inner wall surfaces of the corresponding two first threaded holes 24 and extend into the corresponding two second threaded holes 34. The lower part of the damper 35 is located inside the spring 38 and there is a gap between it and the inner wall surface of the spring 38. A portion of several T-shaped balance bars 392 away from the center of the second fixed ring 391 is respectively movably sleeved in the corresponding several T-shaped balance grooves 25.

[0024] It should be noted that this utility model is a seismic-resistant structure for a fire detector housing. In use, firstly, the fixing base 1 is installed at a designated location on the ceiling or wall using screws through several fixing holes 12 on the lower edge of the fixing plate 11 in the fixing base 1. The rubber buffer pad 13 at the upper end of the fixing plate 11 can initially buffer minor vibrations transmitted from the mounting surface, reducing the direct transmission of vibrations to the internal structure. Simultaneously, the internal threaded cavity 15 at the lower end of the mounting plate 14 is threadedly connected to the threaded disc 22 at the upper end of the housing 21 in the mounting assembly 2, thus installing the seismic-resistant assembly 3 and the fire detector mounting base 4. Finally, the fire detector housing is fixedly installed at the lower end of the fire detector mounting base 4 through the fire detector mounting holes 5 using screws. When external vibrations occur, the vibration is first transmitted to the fixing base 1, then through the housing 21 of the mounting assembly 2 to the damper 35 in the seismic-resistant assembly 3. The damper 35 utilizes its own damping characteristics to quickly dissipate the vibration. The kinetic energy generated by the vibration weakens the vibration intensity. At the same time, the spring 38 at the lower end of the first fixed ring 36 will expand and contract with the vibration, further absorbing the vibration energy. Together with the damper 35, it forms a double damping structure. Finally, the vibration is transmitted to the fire detector mounting base 4 through the buffer block 39. The fire detector mounting base 4 is equipped with the fire detector housing through several fire detector mounting holes 5 on the lower edge. It can transmit the weakened vibration to the fire detector housing, minimizing the impact of the vibration on the fire detector. In addition, when the damper 35 and the spring 38 are working, the part of the T-shaped balance bar 392 away from the second fixed ring 391 will slide with the buffer block 39 in several T-shaped balance grooves 25 on the lower part of the inner wall of the housing 21, limiting the lateral displacement of the fire detector mounting base 4, preventing it from shaking significantly during vibration, ensuring that the fire detector housing is always in a stable state, and ensuring the normal operation of the fire detector.

[0025] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A shock-resistant structure for the housing of a fire detector, comprising a mounting base (1), characterized in that: The lower end of the fixed base (1) is threadedly connected to the mounting component (2), and the inner wall surface of the mounting component (2) is interwoven with the anti-vibration component (3). The lower end of the anti-vibration component (3) is fixedly connected to the fire detector mounting base (4), and the lower edge of the fire detector mounting base (4) has several fire detector mounting holes (5) that pass through vertically. The seismic-resistant component (3) includes a fixing rod (31), a bolt (32), and a fixing lug (33). The fixing rod (31) has a second threaded hole (34) at both its left and right ends. A damper (35) is fixedly installed at the lower end of the fixing lug (33). A first fixing ring (36) is fixedly sleeved on the upper part of the outer surface of the damper (35). Several reinforcing triangular blocks (37) are fixedly connected to the upper end of the first fixing ring (36), and the several reinforcing triangular blocks (37) are close to the first fixing ring (34). 6) One end of the center is fixedly connected to the outer surface of the damper (35). The lower end of the first fixing ring (36) is fixedly connected to a spring (38). The lower end of the spring (38) is fixedly connected to a buffer block (39). The lower end of the buffer block (39) is fixedly connected to the upper end of the fire detector mounting base (4). The outer surface of the buffer block (39) is fixedly sleeved with a second fixing ring (391). The outer surface of the second fixing ring (391) is fixedly connected with several T-shaped balance bars (392).

2. The anti-vibration structure for a fire detector housing according to claim 1, characterized in that: The fixing base (1) includes a fixing plate (11), and a number of through fixing holes (12) are opened at the lower edge of the fixing plate (11). A rubber buffer pad (13) is fixedly connected to the upper end of the fixing plate (11), and an installation plate (14) is fixedly connected to the middle of the lower end of the fixing plate (11). An internal thread cavity (15) is opened at the lower end of the installation plate (14).

3. The anti-vibration structure for a fire detector housing according to claim 1, characterized in that: The mounting assembly (2) includes a housing (21), a threaded disc (22) is fixedly connected to the upper end of the housing (21), two sleeve holes (23) are opened on the upper part of the inner wall surface of the housing (21), two first threaded holes (24) are opened on the upper part of the outer surface of the housing (21) respectively, which are connected to the corresponding two sleeve holes (23), and several T-shaped balance grooves (25) are opened on the lower part of the inner wall surface of the housing (21).

4. The anti-vibration structure for a fire detector housing according to claim 3, characterized in that: The outer surface of the threaded disc (22) is threaded to the inner wall of the inner threaded cavity (15), and several T-shaped balance grooves (25) are distributed in a ring array around the center of the housing (21).

5. The anti-vibration structure for a fire detector housing according to claim 1, characterized in that: The middle part of the fixing rod (31) is fixedly sleeved in the fixing ear (33), and the left and right parts of the fixing rod (31) are respectively fixedly sleeved in the corresponding two sleeve holes (23). There are two bolts (32), and the outer surfaces of the two bolts (32) are respectively threaded to the inner wall surfaces of the corresponding two first threaded holes (24) and respectively extend into the corresponding two second threaded holes (34).

6. The anti-vibration structure for a fire detector housing according to claim 1, characterized in that: The lower part of the damper (35) is located inside the spring (38) and there is a gap between it and the inner wall of the spring (38). A portion of each of the T-shaped balance bars (392) away from the center of the second fixed ring (391) is movably sleeved in a corresponding T-shaped balance groove (25).

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