CN218069059U

CN218069059U - Combustible gas alarm device

Info

Publication number: CN218069059U
Application number: CN202222015599.9U
Authority: CN
Inventors: 李祥兵; 许微微
Original assignee: Anhui Ruixiang Safety And Environmental Protection Consulting Co ltd
Current assignee: Anhui Ruixiang Safety And Environmental Protection Consulting Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-12-16
Anticipated expiration: 2032-08-02

Abstract

The utility model relates to an alarm device field discloses a combustible gas alarm device, the power distribution box comprises a box body, it places the frame to be equipped with in the box, it is equipped with the bull stick to place to insert perpendicularly on the frame, the bottom of bull stick runs through places the frame, and fixedly connected with second flabellum, the fixed cover in surface of bull stick has main bevel gear, the both sides of placing the frame inner wall all are provided with from bevel gear, main bevel gear's both ends and two are connected from bevel gear's corresponding one end meshing, two are passed respectively from bevel gear's one end and are placed the frame and be connected with the guide arm, the bull stick through setting up, the connecting rod, spacing frame, the cooperation of movable plate and cleaning roller etc. is used, thereby the movable plate horizontal migration of driven connecting rod drive spacing frame and rigid coupling, be convenient for drive a plurality of cleaning rollers and slide along gas detector bottom surface, thereby realize the clearance to gas detector bottom, prevent that gas detector from receiving dust influence alarm equipment's accuracy, and a plurality of flabellum cooperation is used, be favorable to improving alarm effect.

Description

Combustible gas alarm device

Technical Field

The utility model discloses the alarm device field especially relates to a combustible gas alarm device.

Background

With the continuous development of society and the continuous improvement of science, when combustible gas leaks in industrial environment and daily living environment (such as a kitchen using natural gas), and the combustible gas alarm device detects that the concentration of the combustible gas reaches the alarm value set by the alarm, the combustible gas alarm device can send out sound and light alarm signals to remind people to evacuate, forcibly exhaust air, shut down equipment and other safety measures.

Traditional combustible gas's alarm device fixes on a certain wall usually, because industrial environment's scope is great, need install alarm device on different positions, consequently comparatively inconvenient when carrying out the dismouting to it, current combustible gas alarm device mostly has only a check out test set, nevertheless its surface suffers the invasion of external dust for a long time, can't carry out accurate detection to alarm device, easily causes the shutoff that detects the mouth, finally influences alarm device and can not normally report to the police.

SUMMERY OF THE UTILITY MODEL

The inside check out test set of alarm device for solving combustible gas receives the dust influence to cause the technical problem that the device can not normally report to the police, the utility model provides a combustible gas alarm device.

The utility model discloses a following technical scheme realizes: the utility model provides a combustible gas alarm device, includes the box, be equipped with in the box and place the frame, it is equipped with the bull stick to place to insert perpendicularly on the frame, the bottom of bull stick runs through place frame and fixedly connected with second flabellum, the bottom of box be equipped with the corresponding air intake in second flabellum position, one side of box inner wall is equipped with the gas detector, the surface activity of gas detector is equipped with the movable plate, be equipped with a plurality of cleaning rollers on the movable plate, it is a plurality of the cleaning roller all with the detection mouth of gas detector bottom contacts, the front of movable plate is fixed and is equipped with spacing frame, spacing frame inner wall activity is equipped with the fixture block, the one end of fixture block is equipped with the connecting rod, the connecting rod is kept away from the one end of spacing frame is connected with main helical gear, main helical gear is installed place the top of frame, the surface of bull stick cup joint with main helical gear engaged with from helical gear.

Through above-mentioned technical scheme, be convenient for drive a plurality of cleaning rollers and slide along gas detector bottom surface to the realization realizes the normal use of check out test set to the clearance of gas detector bottom.

As a further improvement of the above scheme, a fastening mechanism is arranged on the box body, the fastening mechanism comprises a bracket and two opposite connecting blocks mounted on the bracket, a lead screw is rotatably inserted between the two connecting blocks, a slide block is sleeved on a rod shaft of the lead screw in a threaded manner, one end of the slide block penetrates through the bracket and is fixedly connected with a clamping plate, and one end of the lead screw penetrates through one of the connecting blocks and is connected with a crank.

Through above-mentioned technical scheme, the drive splint make it carry out the centre gripping with outside mounting, are favorable to guaranteeing combustible gas alarm device's fixed mounting.

As a further improvement of the scheme, the bracket is provided with a sliding groove matched with the sliding block, and the sliding groove is parallel to the screw rod.

Through the technical scheme, the driving sliding block is ensured to horizontally move along the bracket.

As a further improvement of the above scheme, a micro motor is installed at the top end of the box body, the output end of the micro motor is fixedly connected with the top end of the rotating rod, the surface of the top of the box body is communicated with an exhaust port, a buzzer is further arranged at the top end of the box body, and the buzzer is electrically connected with the gas detector.

Through above-mentioned technical scheme, for the drive of bull stick provides power to and with the gaseous exhaust after the box internal detection.

As a further improvement of the scheme, the air inlet is inserted with a filter plate.

Through above-mentioned technical scheme for filter the dust in the air, prevent that the inside too much dust of inhaling of box from influencing gas detector's life.

As a further improvement of the above scheme, a main bevel gear is fixedly sleeved on the surface of the rotating rod, slave bevel gears are arranged on two sides of the inner wall of the placing frame, two ends of the main bevel gear are meshed with corresponding ends of the two slave bevel gears, one ends of the two slave bevel gears respectively penetrate through the placing frame and are connected with guide rods, one ends of the two guide rods, which are far away from the placing frame, are connected with first fan blades, and the two first fan blades are arranged on the inner wall of the box body.

Through above-mentioned technical scheme, be convenient for guide the gas near box inner wall both sides to gas detector department, be favorable to improving the precision that detects.

As a further improvement of the above scheme, two sides of the box body are respectively provided with a window corresponding to the position of the first fan blade, and the box body is provided with a leakage hole matched with the first fan blade.

Through above-mentioned technical scheme for protect first flabellum, avoid the leading-in to the box of great foreign matter around the box.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses a combustible gas alarm device, bull stick through setting up, the connecting rod, spacing frame, the cooperation of movable plate and cleaning roller etc. is used, thereby the movable plate horizontal migration of driven connecting rod drive spacing frame and rigid coupling, be convenient for drive a plurality of cleaning rollers and slide along gas detector bottom surface, thereby realize the clearance to the gas detector bottom, prevent that the gas detector from receiving the accuracy that the dust influences alarm equipment, be favorable to improving the alarm effect, the cooperation of a plurality of flabellums is used, be convenient for will wait that the gas that detects all guides to gas detector department, also can effectual detection when gas concentration ratio is lower.

2. Through the fastening device who sets up, be favorable to installing whole and external mounting centre gripping to the realization is to combustible gas alarm device's quick installation, and the filter is arranged in filtering the dust in the air, prevents the inside too much dust that inhales of box, thereby influences the detection effect of gas detector.

Drawings

Fig. 1 is a schematic view of an overall structure of a combustible gas alarm device provided in embodiment 1 of the present invention;

FIG. 2 is a partial cross-sectional view of the front side of FIG. 1;

FIG. 3 is a schematic diagram of a moving plate drive;

FIG. 4 is a schematic view of the fastening mechanism of FIG. 2;

fig. 5 is a schematic structural diagram of a combustible gas alarm device provided in embodiment 2 of the present invention.

Description of the main symbols:

1. a box body; 11. an exhaust port; 12. a buzzer; 14. a window; 15. an air inlet; 16. a filter plate; 17. a gas detector; 2. a micro motor; 21. a rotating rod; 211. a slave bevel gear; 22. placing the frame; 23. a first fan blade; 24. a second fan blade; 25. a main bevel gear; 26. a slave bevel gear; 27. a guide bar; 3. a fastening mechanism; 31. a support; 32. a joining block; 33. a screw rod; 34. a slider; 35. a crank; 36. a splint; 37. A chute; 4. moving the plate; 41. a cleaning roller; 42. a limiting frame; 43. a connecting rod; 44. a main helical gear.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Example 1:

referring to fig. 1-4, the combustible gas alarm device of this embodiment includes a box 1, a placing frame 22 is disposed in the box 1, a rotating rod 21 is vertically inserted on the placing frame 22, a bottom end of the rotating rod 21 penetrates the placing frame 22 and is fixedly connected with a second fan blade 24, the rotating rod 21 is driven to rotate on the placing frame 22 so AS to drive the second fan blade 24 whose bottom end is fixedly connected to rotate, an air inlet 15 corresponding to the second fan blade 24 is disposed at the bottom of the box 1, the air inlet 15 is communicated with the box 1, the second fan blade 24 is driven to suck the gas around the bottom of the box 1 into the box from the air inlet 15, a gas detector 17 is disposed at one side of an inner wall of the box 1, the gas detector 17 is of type AS8800, a moving plate 4 is movably disposed on a surface of the gas detector 17, a groove adapted to the gas detector 4 is formed in the surface of the gas detector 17, a plurality of cleaning rollers 41 are disposed on the gas detector 4, the plurality of cleaning rollers 41 are all in contact with a detection port at the bottom of the gas detector 17, and the moving plate is driven to move along the surface of the gas detector 17, so AS to prevent dust from affecting the detection of the detection equipment.

The front of the moving plate 4 is fixedly provided with a limiting frame 42, the inner wall of the limiting frame 42 is movably provided with a clamping block, one end of the clamping block is provided with a connecting rod 43, the connecting rod 43 is hinged to the clamping block, the clamping block can vertically move along the inner wall of the limiting frame 42, one end, far away from the limiting frame 42, of the connecting rod 43 is connected with a main helical gear 44, the main helical gear 44 is installed at the top of the placing frame 22, one side of the top end of the placing frame 22 is provided with a baffle which is rotatably inserted into the main helical gear 44 and used for limiting the movement of the rotating main helical gear 44, the surface of the rotating rod 21 is sleeved with a slave helical gear 211 meshed with the main helical gear 44, the driving rotating rod 21 is convenient to drive the slave helical gear 211 to rotate, the main helical gear 44 is meshed with the slave helical gear 211, the driving of the moving plate 4 is convenient to drive, and power is provided for driving the moving plate 4.

The box body 1 is provided with a fastening mechanism 3, the fastening mechanism 3 comprises a support 31 and two opposite connecting blocks 32 arranged on the support 31, the support 31 is fixedly arranged at a notch of a concave part of the box body 1, the whole fastening mechanism 3 is conveniently protected, a screw 33 is rotatably inserted between the two connecting blocks 32, a slider 34 is sleeved on a rod shaft of the screw 33 in a threaded manner, one end of the slider 34 penetrates through the support 31 and is fixedly connected with a clamping plate 36, the clamping plate 36 is positioned at one end of the inner wall of the support 31, one end of the screw 33 penetrates through one of the connecting blocks 32 and is connected with a crank 35, the connected screw 33 is conveniently driven by driving the crank 35 to rotate, the driven screw 33 drives the slider 34 sleeved on the surface of the screw to horizontally move along the support 31, the driven slider 34 further drives the clamping plate 36 fixedly connected with one end to move, an external fixing piece is arranged between the supports 31, the clamping plate 36 is moved to the other end along one end of the support 31, and clamping of the fixing piece arranged in the support 31 is facilitated.

The bracket 31 is provided with a sliding chute 37 matched with the sliding block 34, the sliding chute 37 is parallel to the screw rod 33, the sliding block 34 is in sliding contact with the sliding chute 37, the sliding chute 37 facilitates the sliding block 34 driven to horizontally move along the bracket 31, and the smooth moving process of the sliding block 34 is ensured.

Micro motor 2 is installed on the top of box 1, micro motor 2's output and bull stick 21's top fixed connection, micro motor 2 who sets up is convenient for provide power for the drive of bull stick 21, the surface intercommunication at box 1 top has gas vent 11, gas vent 11 is used for the gas outgoing after detecting in the box 1, buzzer 12 has still been settled on the top of box 1, electric connection between buzzer 12 and the gas detector 17, when gas leakage detection has the signal, buzzer 12 connected promptly can send out alarm sound and warning.

The filter 16 is inserted into the air inlet 15, and the filter 16 is used for filtering dust in the air, so that the excessive dust sucked into the box body 1 is prevented, and the detection effect of the gas detector 17 is influenced.

The surface of the rotating rod 21 is fixedly sleeved with a main bevel gear 25, the driven rotating rod 21 can also synchronously drive the main bevel gear 25 to rotate, the two sides of the inner wall of the placing frame 22 are respectively provided with a secondary bevel gear 26, the two secondary bevel gears 26 are respectively rotatably inserted on the inner wall of the placing frame 22, two ends of the main bevel gear 25 are meshed with corresponding ends of the two secondary bevel gears 26, the driven main bevel gear 25 is favorable for driving the secondary bevel gears 26 with two meshed ends to synchronously rotate, one ends of the two secondary bevel gears 26 respectively penetrate through the placing frame 22 and are connected with guide rods 27, namely, the driven secondary bevel gears 26 can drive the guide rods 27, one ends of the two guide rods 27 far away from the placing frame 22 are respectively connected with first fan blades 23, due to the connection between the guide rods 27 and the first fan blades 23, the driven secondary bevel gears 26 drive the first fan blades 23 to rotate, the two first fan blades 23 are both arranged on the inner wall of the box body 1, the diameter of the first fan blades 23 is smaller than that of the second fan blades 24, gas of the first fan blades 23 is prevented from being guided to the gas detector 17 near two sides of the inner wall of the box body 1.

The implementation principle of a combustible gas alarm device in the embodiment of the application is as follows: when the box body 1 is firstly installed, an external fixing piece is arranged inside the bracket 31, the crank 35 is driven to rotate to drive the connected screw rod 33, the driven screw rod 33 drives the sliding block 34 sleeved on the surface of the screw rod to horizontally move along the bracket 31, the driven sliding block 34 further drives the clamping plate 36 fixedly connected with one end to move, the clamping plate 36 moves to the other end along one end of the bracket 31 to facilitate clamping of the fixing piece arranged in the bracket 31, then the micro motor 2 is driven to drive the rotating rod 21, so that the second fan blade 24 fixedly connected with the bottom end of the rotating rod 21 is driven to rotate, the driven second fan blade 24 can suck the gas around the bottom of the box body 1 to the gas detector 17 from the air inlet 15, the rotating rod 21 is driven to rotate from the slave bevel gear 211, the driving connecting rod 43 to rotate, the driving connecting rod 43 drives the limiting frame 42 and the fixedly connected second fan blade 4 to horizontally move, so that the cleaning rollers 41 are driven to slide along the bottom surface of the gas detector 17 due to the meshing of the main bevel gear 44 and the bevel gear 211, so that the bevel gear 25 can synchronously drive the bevel gear 27 to drive the bevel gear 23 to improve the effect of the bevel gear 27, thereby facilitating the detection of the gas detector 17, and the detection of the gas detector 17.

Example 2:

with reference to fig. 5, the present embodiment is further improved on the basis of embodiment 1 in that: the both sides of box 1 all are provided with the window 14 corresponding with first flabellum 23 position, window 14 is used for protecting first flabellum 23, avoid the leading-in to box 1 of great foreign matter around the box 1 in, also be convenient for simultaneously with the gas suction incasement of box 1 surface both sides, be favorable to improving the detection of gas, combustible gas alarm device's ageing has been strengthened, and all set up on the box 1 with first flabellum 23 matched with leak hole (not shown), leak hole (not shown) are used for placing first flabellum 23.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a combustible gas alarm device, its characterized in that, includes the box, be equipped with in the box and place the frame, it is equipped with the bull stick to place to insert perpendicularly on the frame, the bottom of bull stick runs through place the frame and fixedly connected with second flabellum, the bottom of box be equipped with the corresponding air intake in second flabellum position, one side of box inner wall is equipped with the gas detector, the surface activity of gas detector is equipped with the movable plate, be equipped with a plurality of cleaning roller on the movable plate, it is a plurality of the cleaning roller all with the detection mouth of gas detector bottom contacts, the front of movable plate is fixed and is equipped with spacing frame, spacing frame inner wall activity is equipped with the fixture block, the one end of fixture block is equipped with the connecting rod, the connecting rod is kept away from the one end of spacing frame is connected with main helical gear, main the installation place the top of frame, the surface of bull stick cup joint with main helical gear engaged with from helical gear.

2. The combustible gas alarm device according to claim 1, wherein the box body is provided with a fastening mechanism, the fastening mechanism comprises a bracket and two opposite connecting blocks mounted on the bracket, a screw rod is rotatably inserted between the two connecting blocks, a slide block is sleeved on a rod shaft of the screw rod in a threaded manner, one end of the slide block penetrates through the bracket and is fixedly connected with a clamping plate, and one end of the screw rod penetrates through one of the connecting blocks and is connected with a crank.

3. The combustible gas alarm device of claim 2 wherein the bracket is provided with a chute which is matched with the slide block, and the chute is parallel to the screw rod.

4. The combustible gas alarm device according to claim 1, wherein a micro motor is mounted at a top end of the box body, an output end of the micro motor is fixedly connected with a top end of the rotating rod, an exhaust port is communicated with a surface of the top of the box body, a buzzer is further arranged at the top end of the box body, and the buzzer is electrically connected with the gas detector.

5. The combustible gas alarm device of claim 1 wherein a filter panel is inserted into the inlet vent.

6. The combustible gas alarm device according to claim 1, wherein a main bevel gear is fixedly sleeved on the surface of the rotating rod, secondary bevel gears are arranged on both sides of the inner wall of the placing frame, both ends of the main bevel gear are engaged with the corresponding ends of the two secondary bevel gears, one ends of the two secondary bevel gears respectively penetrate through the placing frame and are connected with guide rods, one ends of the two guide rods far away from the placing frame are connected with first blades, and both first blades are arranged on the inner wall of the box body.

7. The combustible gas alarm device according to claim 6, wherein windows corresponding to the first fan blades are arranged on both sides of the box body, and the box body is provided with leakage holes matched with the first fan blades.