Fire alarm device

Abstract

The utility model discloses a fire alarm device which comprises a box body, the box body comprises a case shell and a box door, the case shell is provided with a protrusion, the protrusion is provided with a through hole, the through hole comprises an insertion part and a clamping part, the box body is installed and placed through the through hole, and a placing cavity is formed between the case shell and the box door. According to the utility model, the design is reasonable, the installation and the operation are convenient, the time and the labor are saved, the device is directly hung on the wall body through the through hole without punching and fixing through screws and the like, the working intensity of working personnel is reduced, the assembly efficiency is improved, meanwhile, the wall body cannot be greatly damaged, the disassembly is convenient, and the insertion part is firstly arranged on a supporting piece on the wall surface during installation; the through hole is formed in the box body, the clamping part is hung on the supporting piece, the hole diameter of the inserting part is larger than that of the clamping part, preliminary limiting of the through hole is more convenient, it can be guaranteed that a gap exists between the box body and the installation face through the arrangement of the protrusion, and heat can be effectively dissipated when the device works.

Description

Technical Field

[0001] The utility model belongs to the technical field of fire protection products, and in particular relates to a fire protection alarm device. Background Art

[0002] In recent years, with the rapid development of economic construction, the sharp increase in material wealth, the extensive development and application of new materials, new energy, and new equipment, the continuous expansion of urbanization, and the improvement of people's material and cultural level, fire safety has become particularly important. In various buildings, one or more fire boxes are installed on the walls of stairwells or corridors to provide timely alarms when emergency accidents such as fires occur, so as to reduce the losses of accidents and enhance fire safety. The fire box body in the prior art is generally fixed by bolts during installation, which has high labor intensity for workers, low assembly efficiency, complicated installation operation, and troublesome disassembly.

[0003] The existing patent document discloses a utility model patent for a fire extinguisher box for schools that is easy to install (Announcement No.: CN213912098U). The technical solution thereof states that a mounting plate is fixedly mounted on the wall, a fire extinguisher box is fixed by bolts on one side of the plate, and then a push rod is pushed to make the spring sheet engage with the convex groove, so that the fire extinguisher box is installed on the wall. The same problems exist, such as complicated installation operation, low assembly efficiency, inconvenient disassembly, and inconvenient for actual use by users. Utility Model Content

[0004] The purpose of the utility model is to provide a technical solution for a fire alarm device in view of the deficiencies in the prior art. The utility model has a reasonable design, convenient installation and operation, saves time and effort, and is directly hung on the wall through a through hole without the need for drilling holes and fixing with screws, etc., which reduces the work intensity of the staff and improves the assembly efficiency. At the same time, it will not cause excessive damage to the wall and is easy to disassemble.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A fire alarm device includes a box body, the box body includes a chassis shell and a box door, a protrusion is provided on the chassis shell, a through hole is opened on the protrusion, the through hole includes an insertion part and a clamping part, the box body is installed and placed through the through hole, and a placement cavity is formed between the chassis shell and the box door. The box body is suspended on the installation surface through the through hole, and there is no need to punch and fix it by screws, etc., which reduces the work intensity of the staff and improves the assembly efficiency. The setting of the protrusion can ensure that there is a gap between the box body and the installation surface, and the box body will not be too close to the installation surface. When the device is working, it can effectively dissipate heat. The alarm component is installed in the placement cavity, and the chassis shell and the box door can play a certain protective role on the alarm component to avoid damage to the alarm component.

[0007] Furthermore, one side of the box door is connected and fixed to the chassis shell by a hinge, and the other side of the box door is locked and fixed to the chassis shell by a locking piece. The hinge is used to realize the hinged fixation between the box door and the chassis shell, which is convenient for opening the box door. The box door is sealed and fixed to the chassis shell by the locking piece to realize the locking of the box door, so as to prevent other people from opening the box door and accidentally touching the alarm component placed in the cavity, thereby affecting the normal use of the device.

[0008] Furthermore, the locking member includes a lock head and a tongue piece, the lock head and the tongue piece are rotatably connected, the tongue piece is arranged inside the chassis shell, and the lock head is arranged outside the chassis shell, and the rotation of the tongue piece is realized by controlling the lock head, and a card plate is arranged on the box door, and when the lock piece and the card plate are in contact with each other, the box door and the chassis shell are locked. After inserting the key into the lock head, the tongue piece is rotated, and the box door can be locked by rotating the tongue piece to a position perpendicular to the box door and in contact with the card plate, and the box door can be locked by rotating the tongue piece to a position parallel to the box door and completely separated from the card plate, and the box door can be unlocked.

[0009] Furthermore, a visual window, an operation button, a display screen and a buzzer hole are provided on the box door. The visual window allows the staff to observe the situation inside the box more intuitively, the operation button allows the user to operate the device, the display screen allows the user to intuitively see the display situation during operation, which is convenient for the user's actual use, and the alarm component amplifies the volume through the buzzer hole, which makes it easier for the user to find the alarm faster.

[0010] Furthermore, the chassis shell is provided with a lead hole, which facilitates the connection of the wires in the component with the outside.

[0011] Furthermore, a protective coil is arranged in the lead-in hole, which can prevent the cable from moving and protect the cable.

[0012] Furthermore, a limiting portion is provided on the chassis shell, and a wire insertion slot is provided on the limiting portion to guide the circuit inside the chassis body. The limiting portion is irregularly distributed in the chassis shell, and the wire insertion slot can well organize the circuit and guide the circuit.

[0013] Furthermore, a reserved hole and a baffle are provided on the box door, and the baffle is fixedly connected to the reserved hole by screws. When the reserved hole is needed, the screws and the baffle are removed, and the components in the alarm assembly can be directly in contact with the outside world. When the reserved hole is not needed, it can be covered by the baffle and the fastener.

[0014] Furthermore, a line card is provided on the chassis housing, and the line card is fixed on the chassis housing by screws to guide the cable. The line can be fixed and combed by the line card, so that the staff can find the line of the corresponding component more quickly during maintenance, thereby improving maintenance efficiency.

[0015] Furthermore, the chassis shell and the door are both provided with mounting posts, which facilitate the placement and fixation of the alarm component in the placement cavity, and facilitate the limited installation of the alarm component, thereby improving assembly efficiency.

[0016] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0017] A placement cavity is formed between the chassis shell and the box door, and the alarm component is placed in the placement cavity. The chassis shell and the box door are provided with installation columns, which facilitate the rapid installation and positioning of the alarm component during installation, thereby improving assembly efficiency. The chassis shell is provided with wire sockets and wire cards, and the lines of the alarm component can be fixed through the wire sockets and wire cards, which is convenient for line sorting and also convenient for staff to quickly find the corresponding lines during maintenance, thereby improving efficiency. The box door is provided with operation buttons, visual windows and display screens. The operation buttons are convenient for operating the alarm device, the display screen is convenient for seeing the actual operation, and the visual window allows users to intuitively observe the internal conditions of the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings:

[0019] Figure 1 This is a structural schematic diagram of a fire alarm device of the utility model;

[0020] Figure 2 for Figure 1 Schematic diagram of the back structure;

[0021] Figure 3 It is a structural schematic diagram of the chassis shell in the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the middle box door of the utility model;

[0023] Figure 5 for Figure 4 Schematic diagram of the back structure;

[0024] Figure 6 This is a schematic diagram of the position structure of the clamping plate and the tongue piece in the utility model;

[0025] Figure 7 It is a schematic diagram of the position structure of the through hole in the utility model;

[0026] Figure 8 for Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0027] In the figure: 1-box body; 2-chassis shell; 3-box door; 4-placing cavity; 5-protrusion; 6-through hole; 7-hinge; 8-locking piece; 9-lock head; 10-baffle; 11-operation button; 12-buzzer hole; 13-display screen; 14-visible window; 15-mounting column; 16-clip board; 17-tongue; 19-lead hole; 20-protective coil; 21-limiting part; 22-wire slot; 23-wire card; 24-reserved hole; 25-insertion part; 26-clamping part; 27-screw. DETAILED DESCRIPTION

[0028] like Figures 1 to 8 As shown, a fire alarm device of the utility model includes a box body 1, the box body 1 includes a chassis shell 2 and a box door 3, a protrusion 5 is provided on the chassis shell 2, a through hole 6 is opened on the protrusion 5, the through hole 6 includes an insertion portion 25 and a clamping portion 26, the box body 1 is installed and placed through the through hole 6, and a placement cavity 4 is installed between the chassis shell 2 and the box door 3. It is hung on the installation surface through the through hole 6, and there is no need to drill holes and fix it with screws, etc., which reduces the work intensity of the staff and improves the assembly efficiency. The setting of the protrusion 5 can ensure that there is a gap between the box body 1 and the installation surface, and the box body 1 will not be too close to the installation surface. When the device is working, it can effectively dissipate heat. The alarm component is installed in the placement cavity 4. The chassis shell 2 and the door 3 can play a certain protective role on the alarm component to avoid damage to the alarm component. There are at least two protrusions 5 to ensure the installation firmness between the box body 1 and the wall. During installation, the insertion part 25 is first inserted into the support on the wall, and then the box body 1 is hung on the support through the clamping part 26. The aperture of the insertion part 25 is larger than the clamping part 26, which is more convenient for the initial limiting of the through hole 6.

[0029] One side of the door 3 is hingedly fixed to the chassis shell 2 by a hinge 7, and the other side of the door 3 is locked and fixed to the chassis shell 2 by a locking member 8. The hinge 7 is used to hinge the door 3 to the chassis shell 2, which facilitates the opening of the door 3. The door 3 is sealed and fixed to the chassis shell 2 by the locking member 8 to lock the door 3, so as to prevent other people from opening the door 3 and accidentally touching the alarm component in the placement cavity 4, thereby damaging the alarm component.

[0030] The locking member 8 includes a lock head 9 and a tongue piece 17, which are rotatably connected to each other. The tongue piece 17 is arranged inside the chassis shell 2, and the lock head 9 is arranged outside the chassis shell 2. The lock head 9 is controlled to realize the rotation of the tongue piece 17. A card plate 16 is arranged on the box door 3, and the tongue piece 17 fits and contacts with the card plate 16 to realize the locking between the box door 3 and the chassis shell 2. After inserting the key into the lock 9, rotate the tongue 17 to the position where the tongue 17 is perpendicular to the box door 3 and the card plate 16 is in contact with the box door 3, so that the box door 3 can be locked, which prevents non-staff from opening the box door 3 and causing damage to the components installed in the box body 1. When the staff needs to inspect and replace the internal components of the box body 1, they can rotate the tongue 17 to the position where it is parallel to the box door 3 and the card plate 16 is completely separated, so as to unlock the box door 3. The staff can then open the box door 3 to work, and the lock 9 can prevent other people from accidentally touching the box body 1, opening the box door 3, and damaging the alarm components inside, thereby avoiding economic losses.

[0031] The box door 3 is provided with a visual window 14, an operation button 11, a buzzer hole 12 and a display screen 13. The visual window 14 allows the staff to observe the situation inside the box more intuitively, and can timely discover the problems of the components, and perform timely repairs and replacements to ensure the normal operation of the box. The operation button 11 allows the user to operate the device conveniently, and the display screen 13 allows the user to intuitively see the display situation during operation, which is convenient for the user's actual use. When an accident occurs, the alarm component amplifies the volume through the buzzer hole 12, so that the user is alert, and it is convenient for the user to find the alarm faster and take corresponding measures to avoid accidents and economic losses.

[0032] The top, bottom and sides of the chassis shell 2 are all provided with lead holes 19. The lead holes 19 facilitate the connection between the wires in the component and the outside. The top, bottom and sides of the chassis shell 2 are all provided with lead holes 19. The staff can connect the wires to the outside from different directions according to the actual installation of the alarm component, further improving the practicality.

[0033] A protective coil 20 is provided in the lead hole 19. The setting of the protective coil 20 can have a certain fixing effect on the line, prevent the cable from moving, and protect the cable from being cut by the metal plate, avoid damage to the cable, and ensure the service life of the wire.

[0034] The chassis shell 2 is provided with a limit portion 21, and a wire insertion slot 22 is provided on the limit portion 21 to guide the internal circuit of the box body 1. The limit portions 21 are irregularly distributed on the chassis shell 2, and the wire insertion slot 22 is provided on the limit portion 21. The wires inside the box body 1, the wire lines in the alarm component, etc. are inserted in the wire insertion slot 22. The wire insertion slot 22 can well organize the lines, which is convenient for the maintenance of the staff and plays a guiding role at the same time.

[0035] The box door 3 is provided with a reserved hole 24 and a baffle 10, and the baffle 10 is fixedly connected to the reserved hole 24 by means of screws 27. The baffle 10 and the reserved hole 24 are detachably connected, and when the reserved hole 24 is needed, the screws 27 and the baffle 10 are removed, so that the components in the alarm assembly can be directly in contact with the outside world, and the components can be repaired and replaced without opening the box door 3, etc., which is highly practical. When the reserved hole 24 is not needed, it can be covered by the baffle 10 and the screws 27 to improve the aesthetics.

[0036] The chassis housing 2 is provided with a line card 23, which is fixed to the chassis housing 2 by screws to guide the cables. Some lines in the alarm component can be fixed and combed by the line card 23, which is convenient for centralized management of the lines. It is also convenient for the staff to find the lines of the corresponding components more quickly during maintenance, thereby improving maintenance efficiency.

[0037] The chassis shell 2 and the door 3 are both provided with mounting posts 15. The mounting posts 15 facilitate the placement and fixing of the alarm component in the placement cavity 4, and the mounting posts 15 facilitate the limited installation of the alarm component, thereby improving assembly efficiency.

[0038] A placement cavity 4 is formed between the chassis shell 2 and the box door 3, and the alarm component is placed in the placement cavity 4. Both the chassis shell 2 and the box door 3 are provided with mounting columns 15. The mounting columns 15 are convenient for quickly installing and positioning the alarm component when it is installed. The alarm component will monitor the surrounding environment in real time. When an abnormal situation occurs, the alarm component will sound an alarm. A buzzer hole 12 is provided on the box door 3 to amplify the alarm sound, which is convenient for users to find the alarm more quickly. The box door 3 and the chassis shell 2 are locked and fixed by a locking member 8. The tongue piece 17 is locked when it is in contact with the card plate 16 to prevent other people from accidentally touching the components inside the box body 1. The tongue piece 17 is unlocked when it is completely separated from the card plate 16, which is convenient for staff to inspect, maintain and replace the alarm component. Supporting members such as hooks are provided on the wall. After assembly, it can be hung on the hook through the through hole 6 on the protrusion 5 to complete the installation. The operation is convenient and the device can be removed more conveniently, saving time and effort.

[0039] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present invention to achieve basically the same technical effects are all included in the protection scope of the present invention.

Claims

1. A fire alarm device, comprising a box body; Features: The box body comprises: A chassis shell, wherein a protrusion is provided on the chassis shell, a through hole is opened on the protrusion, and the through hole includes an insertion portion and a clamping portion, and the chassis body is installed and placed through the through hole; A cabinet door, wherein a placement cavity is formed between the cabinet shell and the cabinet door.

2. A fire alarm device according to claim 1, characterized in that: One side of the box door is hingedly fixed to the chassis shell by a hinge, and the other side of the box door is locked and fixed to the chassis shell by a locking piece.

3. A fire alarm device according to claim 2, characterized in that: The locking member includes a lock head and a tongue piece, the lock head and the tongue piece are rotatably connected, the tongue piece is arranged inside the chassis shell, and the lock head is arranged outside the chassis shell, and the lock head is controlled to realize the rotation of the tongue piece. A card plate is arranged on the box door, and when the tongue piece fits and contacts the card plate, the box door and the chassis shell are locked.

4. A fire alarm device according to claim 1, characterized in that: The box door is provided with a visual window, an operation button, a display screen and a buzzer hole.

5. A fire alarm device according to claim 1, characterized in that: The top, bottom and sides of the chassis shell are all provided with lead holes.

6. A fire alarm device according to claim 5, characterized in that: A protective coil is arranged in the lead-in hole.

7. A fire alarm device according to claim 1, characterized in that: A limiting portion is arranged on the chassis shell, and a wire insertion slot is arranged on the limiting portion to guide the wires inside the box body.

8. A fire alarm device according to claim 1, characterized in that: The box door is provided with a reserved hole and a baffle, and the baffle is fixedly connected to the reserved hole by screws.

9. A fire alarm device according to claim 1, characterized in that: The chassis housing is provided with a line card, and the line card is fixed on the chassis housing by screw limiters to guide the cables.

10. A fire alarm device according to claim 1, characterized in that: The chassis shell and the cabinet door are both provided with mounting columns.

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