Smoke detector convenient to install

Abstract

The utility model relates to the technical field of smoke detectors, and discloses a smoke detector convenient to install, which comprises a lower shell, a fixed block I is fixedly installed at the bottom of the lower shell, a limiting groove is formed in the outer side of the fixed block I, and an installation seat is arranged at the bottom of the lower shell. According to the smoke detector convenient to install, through the design of the protective cover, the effects of insect prevention and dust prevention can be achieved, the external interference resistance is high, the overall service life is prolonged, through the design of a limiting block, a spring and a pull rod, the first fixing block is convenient to install and disassemble, follow-up maintenance and repair are convenient, the structure is simple, the installation efficiency is improved, and the practicability is high. Through the design of multiple sets of limiting blocks, springs and pull rods, a first fixing block is installed more firmly, the overall stability is improved, through the design of a positioning rod, a positioning groove, a limiting rod, a first through hole and a second through hole, the upper shell is convenient to install and disassemble, follow-up maintenance and repair are convenient, the structure is simple, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke detectors, in particular to a smoke detector convenient for installation. Background Art

[0002] Smoke detectors, also known as smoke-type fire detectors, smoke sensors, smoke detectors, smoke probes and smoke sensors, are mainly used in fire protection systems and also in the construction of security systems. It is a typical device that has been transferred from space fire protection measures to civilian use.

[0003] Chinese Utility Model Patent Publication No.: CN 219246176 U, discloses: a smoke detector convenient for installation. In this smoke detector convenient for installation, through the right conductive member provided on the fixing plate and its cooperation with the left conductive member, the power connection between the smoke detector body and the fixing plate can be quickly carried out, and at the same time, it is convenient to disassemble the smoke detector body subsequently. Through the annular plate and the threaded ring provided outside the smoke detector body and their cooperation with the threaded groove on the left side of the mounting cover, the threaded ring can be rotated inside the threaded groove, which will enable the smoke detector body to be quickly installed and fixed inside the mounting cover, and it is more convenient to disassemble and repair the smoke detector body. Thus, the smoke detector body achieves the effect of being convenient for disassembly and assembly. However, this smoke detector convenient for installation does not design a protection structure for the smoke inlet, which is not conducive to dust and insect prevention, has a weak anti-external interference ability, a low service life, and does not design a quick installation structure for the smoke detector body, which is not convenient for maintenance and repair, and has poor practicability. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to provide a smoke detector convenient for installation, which can effectively solve the problems in the prior art that there is no protection structure for the smoke inlet, which is not conducive to dust and insect prevention, has a weak anti-external interference ability, a low service life, no quick installation structure for the smoke detector body, which is not convenient for maintenance and repair, and has poor practicability.

[0005] The technical solution adopted by the present utility model is: a smoke detector convenient for installation, including a lower housing, a first fixing block is fixedly installed at the bottom of the lower housing, a limiting groove is opened on the outer side of the first fixing block, an installation seat is arranged at the bottom of the lower housing, a first groove is opened at the top of the installation seat, a second groove is opened inside the first groove, a limiting block and a spring are arranged inside the second groove, a pull rod is fixedly installed on the outer side of the limiting block, a positioning groove is opened at the top of the lower housing, a first through hole is opened on the outer side of the lower housing, an upper housing is arranged at the top of the lower housing, a positioning rod is fixedly installed at the bottom of the upper housing, a second through hole is opened on the outer side of the positioning rod, a limiting rod is arranged on the outer side of the lower housing, a top cover is fixedly installed at the top of the upper housing, a smoke inlet is opened on the outer side of the top cover, a protective cover is arranged inside the top cover, and a limiting component is fixedly installed at the top inside the upper housing.

[0006] Preferably, the first fixing block and the installation seat are installed by plugging, and the limiting block is adapted to the limiting groove.

[0007] Through the above technical solution, the staff inserts the first fixing block into the inside of the first groove. When the first fixing block touches the limiting block, the spring is compressed by force, and the limiting block moves into the inside of the second groove. When the first fixing block touches the bottom of the first groove, the spring rebounds and pushes the limiting block into the inside of the limiting groove, which can realize the quick installation of the first fixing block. Through the design of the limiting block, the spring and the pull rod, it is convenient for the installation and disassembly of the first fixing block, which is convenient for subsequent maintenance and repair. The structure is simple and the installation efficiency is improved.

[0008] Preferably, the same multiple groups of the limiting block, the spring and the pull rod are provided, and the multiple groups of the limiting block, the spring and the pull rod are symmetrically distributed about the center line of the installation seat.

[0009] Through the above technical solution, through the design of multiple groups of the limiting block, the spring and the pull rod, the installation of the first fixing block is more firm, and the overall stability is improved.

[0010] Preferably, the lower housing and the upper housing are installed by plugging, and the limiting rod penetrates through the first through hole and the second through hole.

[0011] Through the above technical solution, the staff inserts the positioning rod into the inside of the positioning groove, and then penetrates the limiting rod through the first through hole and the second through hole, which can realize the quick installation of the upper housing. Through the design of the positioning rod, the positioning groove, the limiting rod, the first through hole and the second through hole, it is convenient for the installation and disassembly of the upper housing, which is convenient for subsequent maintenance and repair. The structure is simple and the installation efficiency is improved.

[0012] Preferably, the same multiple smoke inlets are opened, and the multiple smoke inlets are equally spaced.

[0013] Through the above technical solution, smoke enters the interior of the top cover from the smoke inlet. Through the design of multiple smoke inlets, the amount of smoke entering the interior of the top cover is increased, improving the detection efficiency of the smoke detector.

[0014] Preferably, the protective cover is located at the top of the limiting component, and the center lines of the protective cover and the top cover are on the same vertical line.

[0015] Through the above technical solution, through the design of the protective cover, the functions of preventing insects and dust can be achieved, the anti-interference ability against the outside world is strong, and the overall service life is improved.

[0016] Preferably, the limiting component includes a second fixing block, a guiding groove, a limiting plate, a guiding block and a pulling plate. A guiding groove is formed on the outer side of the second fixing block. A limiting plate is arranged on the outer side of the second fixing block. A guiding block is fixedly installed on the outer side of the limiting plate. A pulling plate is fixedly installed at the bottom of the limiting plate. The limiting plate is inserted and installed with the second fixing block.

[0017] Through the above technical solution, the staff inserts the guiding block into the interior of the guiding groove, which can realize the rapid installation of the limiting plate. Through the design of the guiding groove and the limiting plate, it is convenient for the limiting plate to limit the protective cover, facilitating the subsequent cleaning and replacement of the protective cover.

[0018] Compared with the prior art, the present utility model provides a smoke detector that is convenient to install, and has the following beneficial effects:

[0019] 1. For this smoke detector that is convenient to install, through the design of the protective cover, the functions of preventing insects and dust can be achieved, the anti-interference ability against the outside world is strong, and the overall service life is improved. Through the design of multiple smoke inlets, the amount of smoke entering the interior of the top cover is increased, improving the detection efficiency of the smoke detector;

[0020] 2. For this smoke detector that is convenient to install, through the design of the limiting block, the spring and the pull rod, it is convenient for the installation and disassembly of the first fixing block, facilitating the subsequent maintenance and repair. The structure is simple, improving the installation efficiency. Through the design of multiple groups of limiting blocks, springs and pull rods, the first fixing block is installed more firmly, enhancing the overall stability. Through the design of the positioning rod, the positioning groove, the limiting rod, the first through hole and the second through hole, it is convenient for the installation and disassembly of the upper shell, facilitating the subsequent maintenance and repair. The structure is simple, improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model;

[0022] Figure 2 It is a schematic diagram of the installation structure of the first fixing block of the present utility model Figure 1 ;

[0023] Figure 3Schematic diagram of the installation structure of the first fixing block of the present utility model Figure 2 ;

[0024] Figure 4 Schematic diagram of the installation structure of the upper housing of the present utility model;

[0025] Figure 5 Schematic diagram of the installation structure of the protective cover of the present utility model;

[0026] Figure 6 Schematic diagram of the installation structure of the limit component of the present utility model.

[0027] Wherein: 1. Lower housing; 2. First fixing block; 3. Limit groove; 4. Mounting seat; 5. First groove; 6. Second groove; 7. Limit block; 8. Spring; 9. Pull rod; 10. Positioning groove; 11. First through hole; 12. Upper housing; 13. Positioning rod; 14. Second through hole; 15. Limit rod; 16. Top cover; 17. Smoke inlet; 18. Protective cover; 19. Limit component; 1901. Second fixing block; 1902. Guide groove; 1903. Limit plate; 1904. Guide block; 1905. Pulling plate. Specific embodiments

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0029] Embodiment 1: As Figures 1-6 shown, a smoke detector that is easy to install provided by the present utility model includes a lower housing 1. A first fixing block 2 is fixedly installed at the bottom of the lower housing 1. A limit groove 3 is opened on the outer side of the first fixing block 2. An installation seat 4 is arranged at the bottom of the lower housing 1. A first groove 5 is opened at the top of the installation seat 4. A second groove 6 is opened inside the first groove 5. A limit block 7 and a spring 8 are arranged inside the second groove 6. A pull rod 9 is fixedly installed on the outer side of the limit block 7. A positioning groove 10 is opened at the top of the lower housing 1. A first through hole 11 is opened on the outer side of the lower housing 1. An upper housing 12 is arranged at the top of the lower housing 1. A positioning rod 13 is fixedly installed at the bottom of the upper housing 12. A second through hole 14 is opened on the outer side of the positioning rod 13. A limit rod 15 is arranged on the outer side of the lower housing 1. A top cover 16 is fixedly installed at the top of the upper housing 12. A smoke inlet 17 is opened on the outer side of the top cover 16. A protective cover 18 is arranged inside the top cover 16. A limit component 19 is fixedly installed at the top inside the upper housing 12.

[0030] Specifically, the first fixing block 2 and the mounting base 4 are installed by insertion, and the limiting block 7 is adapted to the limiting groove 3. The advantage is that the staff inserts the first fixing block 2 into the interior of the first groove 5. When the first fixing block 2 touches the limiting block 7, the spring 8 is squeezed by force, and the limiting block 7 moves into the interior of the second groove 6. When the first fixing block 2 touches the bottom of the first groove 5, the spring 8 rebounds and pushes the limiting block 7 into the interior of the limiting groove 3, which can realize the rapid installation of the first fixing block 2. Through the design of the limiting block 7, the spring 8 and the pull rod 9, it is convenient to install and disassemble the first fixing block 2, which is convenient for subsequent maintenance and repair. The structure is simple and the installation efficiency is improved.

[0031] Specifically, there are multiple groups of the same limiting blocks 7, springs 8 and pull rods 9, and the multiple groups of limiting blocks 7, springs 8 and pull rods 9 are symmetrically distributed about the center line of the mounting base 4. The advantage is that through the design of the multiple groups of limiting blocks 7, springs 8 and pull rods 9, the first fixing block 2 is installed more firmly, and the overall stability is improved.

[0032] Specifically, the lower housing 1 and the upper housing 12 are installed by insertion, and the limiting rod 15 passes through the first through hole 11 and the second through hole 14. The advantage is that the staff inserts the positioning rod 13 into the interior of the positioning groove 10, and then passes the limiting rod 15 through the first through hole 11 and the second through hole 14, which can realize the rapid installation of the upper housing 12. Through the design of the positioning rod 13, the positioning groove 10, the limiting rod 15, the first through hole 11 and the second through hole 14, it is convenient to install and disassemble the upper housing 12, which is convenient for subsequent maintenance and repair. The structure is simple and the installation efficiency is improved.

[0033] Embodiment 2: As Figures 2-6 shown, as an improvement to the previous embodiment.

[0034] Specifically, there are multiple identical smoke inlets 17, and the multiple smoke inlets 17 are equidistantly distributed. The advantage is that the smoke enters the interior of the top cover 16 from the smoke inlets 17. Through the design of the multiple smoke inlets 17, the concentration of the smoke entering the interior of the top cover 16 is greater, and the detection efficiency of the smoke detector is improved.

[0035] Specifically, the protective cover 18 is located at the top of the limiting component 19, and the center lines of the protective cover 18 and the top cover 16 are on the same vertical line. The advantage is that through the design of the protective cover 18, it can play a role in preventing insects and dust, has strong anti-external interference ability, and improves the overall service life.

[0036] Specifically, the limiting component 19 includes a second fixed block 1901, a guiding groove 1902, a limiting plate 1903, a guiding block 1904, and a pulling plate 1905. A guiding groove 1902 is formed on the outer side of the second fixed block 1901. A limiting plate 1903 is arranged on the outer side of the second fixed block 1901. A guiding block 1904 is fixedly installed on the outer side of the limiting plate 1903. A pulling plate 1905 is fixedly installed at the bottom of the limiting plate 1903. The limiting plate 1903 is installed in a plug-in manner with the second fixed block 1901. The advantage is that the staff can quickly install the limiting plate 1903 by inserting the guiding block 1904 into the guiding groove 1902. Through the design of the guiding groove 1902 and the limiting plate 1903, it is convenient for the limiting plate 1903 to limit the protective cover 18, facilitating the subsequent cleaning and replacement of the protective cover 18.

[0037] Working principle: During installation, the staff inserts the first fixed block 2 into the first groove 5. When the first fixed block 2 touches the limiting block 7, the spring 8 is squeezed under force, and the limiting block 7 moves into the second groove 6. When the first fixed block 2 touches the bottom of the first groove 5, the spring 8 rebounds and pushes the limiting block 7 into the limiting groove 3, enabling the quick installation of the first fixed block 2. Through the design of the limiting block 7, the spring 8, and the pull rod 9, it is convenient for the installation and disassembly of the first fixed block 2, facilitating subsequent maintenance and repair. The structure is simple, improving the installation efficiency. Through the design of multiple groups of limiting blocks 7, springs 8, and pull rods 9, the first fixed block 2 is installed more firmly, enhancing the overall stability. The staff inserts the positioning rod 13 into the positioning groove 10 and then inserts the limiting rod 15 through the first through hole 11 and the second through hole 14, enabling the quick installation of the upper housing 12. Through the design of the positioning rod 13, the positioning groove 10, the limiting rod 15, the first through hole 11, and the second through hole 14, it is convenient for the installation and disassembly of the upper housing 12, facilitating subsequent maintenance and repair. The structure is simple, improving the installation efficiency. Smoke enters the interior of the top cover 16 from the smoke inlet 17. The staff inserts the guiding block 1904 into the guiding groove 1902, enabling the quick installation of the limiting plate 1903. Through the design of the guiding groove 1902 and the limiting plate 1903, it is convenient for the limiting plate 1903 to limit the protective cover 18, facilitating the subsequent cleaning and replacement of the protective cover 18. During use, the staff connects to an external power supply. Through the design of multiple smoke inlets 17, the concentration of smoke entering the interior of the top cover 16 is greater, improving the detection efficiency of the smoke detector. Through the design of the protective cover 18, it can play a role in preventing insects and dust, with strong anti-external interference ability, enhancing the overall service life.

[0038] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A smoke detector that is easy to install, comprising a lower housing (1), characterized in that: A fixing block (2) is fixedly installed at the bottom of the lower shell (1), and a limiting groove (3) is provided on the outer side of the fixing block (2). A mounting seat (4) is provided at the bottom of the lower shell (1), and a groove (5) is provided on the top of the mounting seat (4). A groove (6) is provided inside the groove (5), and a limiting block (7) and a spring (8) are provided inside the groove (6). A pull rod (9) is fixedly installed on the outer side of the limiting block (7). A positioning groove (10) is provided on the top of the lower shell (1), and a through hole (11) is provided on the outer side of the lower shell (1). Hole 1 (11), an upper shell (12) is arranged on the top of the lower shell (1), a positioning rod (13) is fixedly installed on the bottom of the upper shell (12), a through hole 2 (14) is opened on the outer side of the positioning rod (13), a limiting rod (15) is arranged on the outer side of the lower shell (1), a top cover (16) is fixedly installed on the top of the upper shell (12), a smoke inlet (17) is opened on the outer side of the top cover (16), a protective cover (18) is arranged inside the top cover (16), and a limiting component (19) is fixedly installed on the top of the interior of the upper shell (12).

2. The smoke detector that is easy to install according to claim 1, characterized in that: The fixing block 1 (2) and the mounting seat (4) are plug-connected and installed, and the limiting block (7) is matched with the limiting groove (3).

3. The smoke detector that is easy to install according to claim 1, characterized in that: The limit blocks (7), springs (8) and pull rods (9) are provided in multiple identical groups, and the multiple groups of limit blocks (7), springs (8) and pull rods (9) are symmetrically distributed about the center line of the mounting seat (4).

4. The smoke detector that is easy to install according to claim 1, characterized in that: The lower shell (1) and the upper shell (12) are plug-connected and installed, and the limiting rod (15) passes through the first through hole (11) and the second through hole (14).

5. The smoke detector that is easy to install according to claim 1, characterized in that: The smoke inlets (17) are provided in a plurality of the same types, and the plurality of smoke inlets (17) are distributed at equal intervals.

6. The smoke detector that is easy to install according to claim 1, characterized in that: The protective cover (18) is located on the top of the limiting assembly (19), and the center lines of the protective cover (18) and the top cover (16) are located on the same vertical line.

7. The smoke detector that is easy to install according to claim 1, characterized in that: The limiting assembly (19) comprises a second fixed block (1901), a guide groove (1902), a limiting plate (1903), a guide block (1904) and a pull plate (1905); the outer side of the second fixed block (1901) is provided with a guide groove (1902); the outer side of the second fixed block (1901) is provided with a limiting plate (1903); the outer side of the limiting plate (1903) is fixedly installed with a guide block (1904); the bottom of the limiting plate (1903) is fixedly installed with a pull plate (1905); the limiting plate (1903) and the second fixed block (1901) are plug-in installed.

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