Fire-fighting detection sensor shell

Abstract

The utility model belongs to the field of fire-fighting equipment, and particularly relates to a fire-fighting detection sensor shell which comprises a main shell body, a bolt is fixedly installed at the position, close to the bottom, of the side face of the main shell body, a clamping groove is formed in the position, close to the upper portion, of the side face of the main shell body, and a protective cover is installed in the main shell body in a clamped mode. According to the structural design that the clamping grooves are matched with the side plates in size, installation is completed by pressing and rotating the protective cover, the function of conveniently and rapidly disassembling and assembling the protective cover is achieved, workers can conveniently check and maintain the protective cover, the working efficiency of the workers is improved, the disassembling and assembling time is shortened, and the danger possibility during working is reduced. And secondly, the surface of the side plate is tightly attached to the inner side of the clamping plate, and the knob is clamped in the groove through the slope of the supporting seat, so that the function that the position of the knob rises to enable the rotating shaft supporting plate to extrude the bottom clamping plate through the spring and enable the two clamping plates to increase the pressure and friction force on the side plate is achieved, and the stability of the device during installation is further improved.

Description

Technical Field

[0001] The utility model relates to the field of fire-fighting equipment, in particular to a fire-fighting detection sensor housing. Background Art

[0002] Fire detectors are devices used in fire alarm systems to detect fires on site. Fire detectors are the "sensory organs" of the system, and their function is to monitor whether there is a fire in the environment. Once there is a fire, the characteristic physical quantities of the fire, such as temperature, smoke, gas, and radiation intensity, are converted into electrical signals, and the fire alarm controller is immediately activated to send an alarm signal.

[0003] Most of the existing fire detection sensors are installed at high places on the indoor ceiling, and the outer shell is mostly fixed with bolts to the bottom of the sensor, which may result in low efficiency when workers check and repair, and a long disassembly and assembly time due to working at high places, which may cause safety problems.

[0004] Therefore, in view of the above problems, a fire detection sensor housing is proposed. Utility Model Content

[0005] In order to remedy the problems in the prior art, the utility model provides a fire detection sensor housing.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the fire detection sensor housing described in the utility model includes a main shell body, a bolt is fixedly installed on the side of the main shell body near the bottom, a card slot is provided on the side of the main shell body near the top, a protective cover is card-engaged and installed inside the main shell body, side panels are fixedly provided at both ends of the protective cover, a sliding groove is provided on the surface of the side panel, one side of the clamping device is fixedly connected to the side of the main shell body near the top, a circuit board is fixedly installed on the inside of the main shell body near the bottom, and an infrared smoke sensor is fixedly provided above the circuit board.

[0007] Preferably, the clamping device includes a clamping plate, the surface of the clamping plate is provided with a through hole, a support seat is fixedly arranged on the top of the clamping plate, a rotating shaft is rotatably installed inside the through hole, a knob is fixedly connected to the top of the rotating shaft, a support plate is fixedly connected to the bottom of the rotating shaft, and a spring is sleeved on the surface of the rotating shaft near the bottom.

[0008] Preferably, a limiting block is fixedly provided at a position close to one side of the top surface of the support seat, and a groove is provided on the top surface of the support seat.

[0009] Preferably, there are two support seats on the surface of the splint, and the two support seats are centrally symmetrically distributed with the vertical center line of the perforation as the midpoint.

[0010] Preferably, the surface of the support seat is inclined, the bottom of the knob is arc-shaped, and the shape of the bottom of the knob matches the shape of the groove.

[0011] Preferably, the size of the side plate matches the size of the card slot, and the opening position of the slide slot corresponds to the setting position of the rotating shaft.

[0012] Preferably, the side plate is mounted in a clamping device, and the surface of the side plate is tightly fitted to the inner wall of the clamping plate.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model realizes the function of convenient and quick disassembly and assembly of the protective cover through the structural design that the size of the card slot matches the side plate, and the installation is completed by pressing and rotating the protective cover, which is convenient for the staff to check and repair, improves the staff's work efficiency, shortens the disassembly and assembly time, and reduces the possibility of danger during work;

[0015] 2. The utility model has a structural design in which the surface of the side plate is tightly fitted with the inner side of the splint, and the knob is engaged with the inside of the groove through the slope of the support seat. The knob position is raised to cause the shaft support plate to squeeze the bottom splint through the spring, so that the two splints increase the pressure and friction on the side plate, further increasing the stability of the device during installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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 these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the protective cover structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the infrared smoke sensor of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the clamping device of the utility model;

[0020] Figure 4 This is a schematic diagram of the card slot structure of the utility model.

[0021] In the figure: 1. main shell; 2. bolt; 3. slot; 4. protective cover; 5. side panel; 6. slide slot; 7. clamping device; 701. clamping plate; 702. perforation; 703. support seat; 704. rotating shaft; 705. knob; 706. support plate; 707. spring; 708. limit block; 709. groove; 8. circuit board; 9. infrared smoke sensor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4 As shown, a fire detection sensor housing comprises a main housing 1, a bolt 2 is fixedly installed on the side of the main housing 1 near the bottom, a card slot 3 is provided on the side of the main housing 1 near the top, a protective cover 4 is card-engaged and installed inside the main housing 1, side panels 5 are fixedly provided at both ends of the protective cover 4, a slide slot 6 is provided on the surface of the side panel 5, one side of a clamping device 7 is fixedly connected to the side of the main housing 1 near the top, a circuit board 8 is fixedly installed on the inside of the main housing 1 near the bottom, and an infrared smoke sensor 9 is fixedly provided above the circuit board 8;

[0024] Furthermore, the clamping device 7 includes a clamping plate 701, a through hole 702 is formed on the surface of the clamping plate 701, a support seat 703 is fixedly provided on the top of the clamping plate 701, a rotating shaft 704 is rotatably installed inside the through hole 702, a knob 705 is fixedly connected to the top of the rotating shaft 704, a supporting plate 706 is fixedly connected to the bottom of the rotating shaft 704, and a spring 707 is sleeved on the surface of the rotating shaft 704 near the bottom;

[0025] When working, the device lifts the knob 705 through the support seat 703, and the knob 705 squeezes the spring 707 through the rotating shaft 704 and the support plate 706, so that the two clamping plates 701 are clamped inward, increasing the pressure of the device and increasing the stability of the device after installation.

[0026] Furthermore, a limit block 708 is fixedly disposed on the top surface of the support seat 703 near one side, and a groove 709 is formed on the top surface of the support seat 703;

[0027] During operation, the knob 705 is positioned by a limit block 708 disposed on the top surface of the support seat 703 to increase the stability of the device during installation.

[0028] Furthermore, there are two support seats 703 on the surface of the clamping plate 701, and the two support seats 703 are centrally symmetrically distributed with the vertical center line of the through hole 702 as the midpoint;

[0029] During operation, the two support seats 703 are symmetrically distributed about the center, so that both sides of the knob 705 can be supported.

[0030] Furthermore, the surface of the support seat 703 is inclined, the bottom of the knob 705 is arc-shaped, and the shape of the bottom of the knob 705 matches the shape of the groove 709;

[0031] During operation, the shape design of the surface of the support seat 703 and the bottom of the knob 705 makes it easy to select the knob 705. The support seat 703 can be used to raise the position of the knob 705. The structural design that matches the shape of the knob 705 and the groove 709 can increase the stability of the knob 705 after it is raised.

[0032] Furthermore, the size of the side plate 5 matches the size of the card slot 3, and the opening position of the slide slot 6 corresponds to the setting position of the rotating shaft 704;

[0033] During operation, the size of the side plate 5 matches the size of the slot 3 , thereby increasing the stability of the side plate 5 when installed in the slot 3 .

[0034] Furthermore, the side plate 5 is mounted in the clamping device 7, and the surface of the side plate 5 is closely fitted to the inner wall of the clamping plate 701;

[0035] During operation, the structure of the side panels 5 that are installed by snapping together, and the design that the surface of the side panels 5 and the inner wall of the clamping plate 701 fit tightly together further increase the stability of the protective cover 4 during installation.

[0036] Working principle: When installing the fire detector, the main shell 1 is fixed to the bottom surface of the ceiling by bolts 2, and the circuit board 8 and the infrared smoke sensor 9 are fixed inside the main shell 1. The installation is completed by engaging the side panels 5 on both sides of the protective cover 4 into the slots 3 and rotating the protective cover 4. At this time, the slide groove 6 on the surface of the side panel 5 is engaged with the side of the shaft 704, and the surface of the side panel 5 is tightly fitted with the inner side of the clamping plate 701. Rotate the knob 705, and the knob 705 is engaged with the inside of the groove 709 through the slope of the support seat 703. The position of the knob 705 rises, causing the support plate 706 of the shaft 704 to squeeze the bottom clamping plate 701 through the spring 707, so that the two clamping plates 701 increase the pressure and friction on the side panel 5, further increasing the stability of the device during installation.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A fire detection sensor housing, comprising a main housing (1), characterized in that: A bolt (2) is fixedly installed on the side of the main shell (1) near the bottom, a slot (3) is provided on the side of the main shell (1) near the top, a protective cover (4) is installed inside the main shell (1), side panels (5) are fixedly installed at both ends of the protective cover (4), a sliding groove (6) is provided on the surface of the side panel (5), one side of a clamping device (7) is fixedly connected to the side of the main shell (1) near the top, a circuit board (8) is fixedly installed inside the main shell (1) near the bottom, and an infrared smoke sensor (9) is fixedly installed above the circuit board (8).

2. A fire detection sensor housing according to claim 1, characterized in that: The clamping device (7) comprises a clamping plate (701), a surface of the clamping plate (701) is provided with a through hole (702), a support seat (703) is fixedly provided at the top of the clamping plate (701), a rotating shaft (704) is rotatably installed inside the through hole (702), a knob (705) is fixedly connected to the top of the rotating shaft (704), a support plate (706) is fixedly connected to the bottom of the rotating shaft (704), and a spring (707) is sleeved on the surface of the rotating shaft (704) near the bottom.

3. A fire detection sensor housing according to claim 2, characterized in that: A limit block (708) is fixedly arranged at a position close to one side of the top surface of the support seat (703), and a groove (709) is provided on the top surface of the support seat (703).

4. The fire detection sensor housing according to claim 2, characterized in that: There are two support seats (703) on the surface of the clamping plate (701), and the two support seats (703) are centrally symmetrically distributed with the vertical center line of the through hole (702) as the midpoint.

5. The fire detection sensor housing according to claim 2, characterized in that: The surface of the support seat (703) is inclined, the bottom of the knob (705) is arc-shaped, and the shape of the bottom of the knob (705) matches the shape of the groove (709).

6. The fire detection sensor housing according to claim 1, characterized in that: The size of the side plate (5) matches the size of the card slot (3), and the opening position of the slide slot (6) corresponds to the setting position of the rotating shaft (704).

7. The fire detection sensor housing according to claim 1, characterized in that: The side plate (5) is snap-fitted and installed inside the clamping device (7), and the surface of the side plate (5) is tightly fitted to the inner wall of the clamping plate (701).

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