CN214042564U

CN214042564U - Combustible gas detection alarm

Info

Publication number: CN214042564U
Application number: CN202120268523.XU
Authority: CN
Inventors: 胡富华; 方忠
Original assignee: Suzhou Jinyu Fire Engineering Technology Co ltd
Current assignee: Suzhou Jinyu Fire Engineering Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-08-24
Anticipated expiration: 2031-01-29

Abstract

The utility model relates to a combustible gas detects alarm relates to the field that combustible gas detected, and it includes the organism and with the intake pipe of organism intercommunication, the intake pipe runs through there is the rose box, the carousel is installed to the rose box internal rotation, the periphery lateral wall of carousel is equipped with a plurality of filter discs along the circumference of carousel, and the intake pipe is opened to have and is supplied filter disc male socket, is equipped with in the rose box to be used for driving carousel pivoted drive assembly. This application utilizes drive assembly drive carousel to rotate to make another filter disc insert in the socket, utilize new filter disc to continue filtered air, reduce the filter disc and influence the normal detection of detecting the alarm to combustible gas because of the jam of dust, can ensure the precision that detects the alarm to a certain extent.

Description

Combustible gas detection alarm

Technical Field

The application relates to the field of combustible gas detection, in particular to a combustible gas detection alarm.

Background

The combustible gas is a state of combustible substances, and refers to a gas which can be uniformly mixed with air or oxygen in a certain concentration range to form premixed gas, and can explode when meeting a fire source, and release a large amount of energy in the combustion process, so that once leakage occurs in some special places such as natural gas loading places and gas tank loading places, the consequences are not reasonable.

At present, a common catalytic combustion type combustible gas detector detects combustible gas, when the detector works, the combustible gas generates flameless combustion on the surface of a detection element carrier under the action of a catalyst, a circuit part of the detector converts the combustion state of the combustible gas to achieve the output display of concentration, and when the concentration exceeds a set value, an alarm state can be started.

In view of the above-mentioned related arts, the inventor believes that when the combustible gas detector is used for a long time and impurities such as large-particle dust exist in the air, the air enters the detector along with the combustible gas and gradually blocks the detector, thereby affecting the normal detection of the combustible gas by the detection element in the detector, causing insensitive detection and even damaging the instrument.

SUMMERY OF THE UTILITY MODEL

In order to reduce the influence of dust carried by air on the detector, the application provides a combustible gas detection alarm.

The application provides a combustible gas detects alarm adopts following technical scheme:

the utility model provides a combustible gas detects alarm, includes organism and the intake pipe that communicates with the organism, the intake pipe runs through there is the rose box, the carousel is installed to the rose box internal rotation, the periphery lateral wall of carousel is equipped with a plurality of filter discs along the circumference of carousel, and the intake pipe is opened has and is supplied filter disc male socket, is equipped with in the rose box to be used for driving carousel pivoted drive assembly.

Through adopting above-mentioned technical scheme, after being located the intraoral filter disc of socket and filtering certain time to the air, usable drive assembly drive carousel rotates to make another filter disc insert in the socket, utilize new filter disc to continue filtration air, reduce the filter disc and influence the normal detection of detecting the alarm to combustible gas because of the jam of dust, can ensure the precision that detects the alarm to a certain extent.

Optionally, the turntable includes a central shaft rotatably connected to the filter box, the driving assembly includes a driven bevel gear disposed on the central shaft, a motor is disposed in the filter box, and a driving bevel gear engaged with the driven bevel gear is disposed on an output shaft of the motor.

Through adopting above-mentioned technical scheme, starter motor, motor drive bevel gear rotates, and drive bevel gear drives driven bevel gear and rotates, and then can drive the carousel and rotate to can make new filter plate insert and filter the air in the socket of intake pipe.

Optionally, an elastic rubber ring is arranged on the end face of the socket.

Through adopting above-mentioned technical scheme, after the filter disc inserted the socket, the terminal surface of elastic rubber ring was contradicted in the filter disc to reach the purpose of sealed socket, when reducing the air current intake pipe, there was the possibility that combustible gas flowed into the rose box.

Optionally, a plurality of connecting plates are arranged on the peripheral side wall of the rotary table, a fixing plate detachably connected with the connecting plates is arranged on the filter table, a clamping groove for the fixing plate to be clamped in is formed in each connecting plate, two locking rods are inserted into the connecting plates, each locking rod penetrates through the side wall of the corresponding clamping groove and is in sliding connection with the corresponding connecting plate, and an insertion groove for the locking rods to be inserted into is formed in each fixing plate;

and a moving mechanism for driving the two locking rods to move towards the clamping groove simultaneously is arranged on the connecting plate.

Through adopting above-mentioned technical scheme, utilize two locking levers of moving mechanism drive to insert or break away from the slot on the fixed plate to be convenient for the staff and change the filter disc, in order to clear up the filter disc.

Optionally, the moving mechanism includes a sleeve disposed on the connecting plate, the sleeve is rotatably connected to the connecting plate, the locking rod is inserted into the sleeve and is in threaded connection with the sleeve, and the moving mechanism further includes a moving assembly for driving the sleeve to rotate.

By adopting the technical scheme, the sleeve is driven to rotate by the moving assembly, so that the sleeve can drive the locking rod in threaded connection with the sleeve to move, and the locking rod can be driven to be inserted into or separated from the slot.

Optionally, the moving assembly includes a rotating gear sleeved on the sleeve, a rotating rod is rotatably mounted on the connecting plate, a driven gear meshed with the two rotating gears is sleeved on the rotating rod, and a handle is arranged on the rotating rod;

the connecting plate is provided with a limiting component used for limiting the rotation of the rotating rod.

By adopting the technical scheme, after the locking rod is inserted into the slot, the rotation of the rotating rod is limited by the limiting component, and the possibility that the locking rod is separated from the slot is reduced.

Optionally, spacing subassembly is including locating the support on the connecting plate, the dwang run through the support and with support sliding connection, the connecting plate is opened to have and is used for holding driven gear and with driven gear meshing's holding tank, the degree of depth of holding tank is less than driven gear's thickness.

Through adopting above-mentioned technical scheme, after the locking lever inserted the slot, remove the dwang for driven gear card goes into the holding tank, thereby reaches the pivoted purpose of restriction dwang.

Optionally, the cover is equipped with the spacing ring that is located between support and the connecting plate on the dwang, and the cover is equipped with the compression spring that is located between support and the spacing ring on the dwang.

Through adopting above-mentioned technical scheme, when driven gear breaks away from the holding tank, compression spring is compressed, and the elasticity that compression spring produced acts on connecting plate and spacing ring for the dwang has the trend of inserting the holding tank, thereby is favorable to the staff to insert the dwang in the holding tank, has further reduced the locking lever simultaneously and has inserted the slot after, driven gear breaks away from the possibility of holding tank.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the filter discs arranged on the rotary disc can be replaced in a certain time, so that the influence of dust blockage on the detection of the detection alarm on the combustible gas after the filter discs are used for a long time is reduced;

2. this application utilizes connecting plate and the connection of dismantling between the filter disc, and the staff of being convenient for changes clearance filter disc.

Drawings

Fig. 1 is a schematic view of the overall structure of a combustible gas detection alarm according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of a filtration tank of an embodiment of the present application.

Fig. 3 is a sectional view of a connection plate of an embodiment of the present application.

Description of reference numerals: 1. a body; 11. an air inlet pipe; 111. an elastic rubber ring; 12. an alarm lamp; 2. a filter box; 21. a box door; 211. a hasp; 212. hooking; 22. a central shaft; 221. a driven bevel gear; 23. a motor; 231. a drive bevel gear; 24. a control box; 25. a turntable; 3. a connecting plate; 31. a card slot; 32. a locking lever; 33. a sleeve; 331. a rotating gear; 34. accommodating grooves; 4. a filter tray; 41. a fixing plate; 42. a slot; 5. a support; 51. rotating the rod; 511. a limiting ring; 512. a compression spring; 52. a driven gear; 53. a handle.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses combustible gas detects alarm. Referring to fig. 1, detect the alarm and include organism 1, and organism 1 intercommunication has an intake pipe 11, is equipped with alarm lamp 12 on the organism 1, and intake pipe 11 is connected with rose box 2 and intake pipe 11 and runs through rose box 2 setting. A box door 21 is hinged to the filter box 2 through a hinge, a buckle 211 is arranged on the box door 21, a hook 212 matched with the buckle 211 for use is arranged on the side wall of the filter box 2, and a worker can conveniently maintain components in the filter box 2 by opening the box door 21.

Referring to fig. 2, a central shaft 22 is disposed in the filter box 2, the central shaft 22 is rotatably connected to the filter box 2, a driven bevel gear 221 is disposed on the central shaft 22, a motor 23 is disposed in the filter box 2, a driving bevel gear 231 engaged with the driven bevel gear 221 is disposed on an output shaft of the motor 23, and the central shaft 22 is driven to rotate by the motor 23. A control box 24 is arranged in the filter box 2, the control box 24 is connected with the motor 23 through an electric wire, and the control box 24 can control the motor 23 to start within a specified time, so that the central shaft 22 can be driven to rotate at regular time.

Referring to fig. 2, a circular turntable 25 is disposed at an end of the central shaft 22, a plurality of connection plates 3 are disposed on a peripheral side wall of the turntable 25, and the connection plates 3 are connected with the filter discs 4. Intake pipe 11 is opened has and supplies filter disc 4 male socket, all is equipped with elastic rubber ring 111 on two terminal surfaces of socket, and after filter disc 4 inserted the socket, elastic rubber ring 111 contradicted in filter disc 4 to reach sealed socket's purpose, reduce the possibility that combustible gas enters into rose box 2 through the socket.

Referring to fig. 3, a fixing plate 41 is disposed on the peripheral side wall of the filter disc 4, and a slot 31 for inserting the fixing plate 41 is formed on the end surface of the connecting plate 3 away from the turntable. Two locking rods 32 are vertically arranged on the connecting plate 3, the locking rods 32 penetrate through the connecting plate 3 and are connected with the connecting plate 3 in a sliding mode, and slots 42 for inserting the locking rods 32 are formed in the fixing plate 41. The connecting plate 3 is provided with a hollow sleeve 33, the sleeve 33 is rotatably connected with the connecting plate 3, the locking rod 32 is inserted into the sleeve 33 and is in threaded connection with the sleeve 33, and the sleeve 33 is provided with a rotating gear 331.

Referring to fig. 3, a bracket 5 is disposed on the connecting plate 3, a rotating rod 51 is disposed on the bracket 5, and the rotating rod 51 penetrates through the bracket 5 and is slidably connected with the bracket 5. The rotating rod 51 is provided with a driven gear 52 engaged with the two rotating gears 331, and the rotating rod 51 is provided with a handle 53, so that a worker can rotate the rotating rod 51 by holding the handle 53.

Referring to fig. 3, the connection plate 3 is formed with a receiving groove 34 into which the driven gear 52 is inserted, and the driven gear 52 is engaged with a side wall of the receiving groove 34. The depth of the receiving groove 34 is smaller than the thickness of the driven gear 52, and when the driven gear 52 is inserted into the receiving groove 34, the portion of the driven gear 52 outside the receiving groove 34 still meshes with the rotating gear 331, thereby achieving the purpose of restricting the rotation of the rotating rod 51 and the sleeve 33. Be equipped with the spacing ring 511 that is located between support 5 and the connecting plate 3 on the dwang 51, the cover is equipped with the compression spring 512 that is located between support 5 and the spacing ring 511 on the dwang 51, and when driven gear 52 breaks away from holding tank 34, compression spring 512 is compressed, and the elasticity that compression spring 512 produced can drive dwang 51 and remove, and then makes driven gear 52 can block in holding tank 34.

The implementation principle of a combustible gas detection alarm of the embodiment of the application is as follows: utilize control box 24 control motor 23 to start regularly to make in a plurality of filter discs 4 can block into the socket of intake pipe 11 in proper order in certain time interval, and then reduced filter disc 4 and influenced the normal detection of detecting the alarm to combustible gas because of the jam of dust after using for a long time in intake pipe 11, ensured the detectivity of detecting the alarm to a certain extent.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a combustible gas detects alarm, includes organism (1) and intake pipe (11) with organism (1) intercommunication, its characterized in that: intake pipe (11) run through and have rose box (2), carousel (25) are installed to rose box (2) internal rotation, the periphery lateral wall of carousel (25) is equipped with a plurality of filter discs (4) along the circumference of carousel (25), and intake pipe (11) are opened has and are supplied filter disc (4) male socket, are equipped with in rose box (2) to be used for driving carousel (25) pivoted drive assembly.

2. A combustible gas detection alarm according to claim 1 wherein: the rotary disc (25) comprises a central shaft (22) rotatably connected with the filter box (2), the driving assembly comprises a driven bevel gear (221) arranged on the central shaft (22), a motor (23) is arranged in the filter box (2), and a driving bevel gear (231) meshed with the driven bevel gear (221) is arranged on an output shaft of the motor (23).

3. A combustible gas detection alarm according to claim 1 wherein: and an elastic rubber ring (111) is arranged on the end face of the socket.

4. A combustible gas detection alarm according to claim 1 wherein: the filter disc is characterized in that a plurality of connecting plates (3) are arranged on the peripheral side wall of the rotary disc (25), a fixing plate (41) detachably connected with the connecting plates (3) is arranged on the filter disc (4), a clamping groove (31) for clamping the fixing plate (41) is formed in the connecting plates (3), two locking rods (32) are inserted into the connecting plates (3), the locking rods (32) penetrate through the side wall of the clamping groove (31) and are in sliding connection with the connecting plates (3), and slots (42) for inserting the locking rods (32) are formed in the fixing plates (41);

the connecting plate (3) is provided with a moving mechanism for driving the two locking rods (32) to move towards the clamping groove (31) simultaneously.

5. A combustible gas detection alarm according to claim 4 wherein: the moving mechanism comprises a sleeve (33) arranged on the connecting plate (3), the sleeve (33) is rotatably connected with the connecting plate (3), the locking rod (32) is inserted into the sleeve (33) and is in threaded connection with the sleeve (33), and the moving mechanism further comprises a moving assembly used for driving the sleeve (33) to rotate.

6. A combustible gas detection alarm according to claim 5 wherein: the moving assembly comprises a rotating gear (331) sleeved on the sleeve (33), a rotating rod (51) is rotatably mounted on the connecting plate (3), a driven gear (52) meshed with the two rotating gears (331) is sleeved on the rotating rod (51), and a handle (53) is arranged on the rotating rod (51);

the connecting plate (3) is provided with a limiting component for limiting the rotation of the rotating rod (51).

7. A combustible gas detection alarm according to claim 6 wherein: spacing subassembly is including locating support (5) on connecting plate (3), dwang (51) run through support (5) and with support (5) sliding connection, connecting plate (3) are opened to have and are used for holding driven gear (52) and with receiving tank (34) of driven gear (52) meshing, the degree of depth of receiving tank (34) is less than the thickness of driven gear (52).

8. A combustible gas detection alarm according to claim 7 wherein: the cover is equipped with spacing ring (511) that are located between support (5) and connecting plate (3) on dwang (51), and the cover is equipped with compression spring (512) that are located between support (5) and spacing ring (511) on dwang (51).