CN220471395U - Sensitive combustible gas alarm - Google Patents
Sensitive combustible gas alarm Download PDFInfo
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- CN220471395U CN220471395U CN202322215339.0U CN202322215339U CN220471395U CN 220471395 U CN220471395 U CN 220471395U CN 202322215339 U CN202322215339 U CN 202322215339U CN 220471395 U CN220471395 U CN 220471395U
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 14
- 230000035945 sensitivity Effects 0.000 claims description 5
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- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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Abstract
The utility model discloses a sensitive combustible gas alarm, which belongs to the field of gas alarms and comprises an alarm body fixedly arranged on a combustible gas pipeline, wherein one side of the alarm body is provided with a gas sensing box, a sensor is arranged in the gas sensing box, the inside of the alarm body is rotationally connected with a bidirectional threaded rod, one end of the bidirectional threaded rod is connected with a driving mechanism, two ends of the outer surface of the bidirectional threaded rod are respectively connected with a moving block in a threaded manner, the bottom of the moving block is connected with a sliding mechanism in a sliding manner, the top of the moving block is hinged with a supporting rod, and one end of the supporting rod, which is far away from the moving block, is hinged with a blocking block; through setting up of gas sensing box, sensor, two-way threaded rod, actuating mechanism, movable block, bracing piece, shutoff piece and controller, when the sensor sensed that combustible gas concentration exceeds standard, can cut off the combustible gas pipeline fast to prevent the transmission of combustible gas, improve safe efficiency.
Description
Technical Field
The utility model belongs to the technical field of gas alarms, and particularly relates to a sensitive combustible gas alarm.
Background
The combustible gas alarm is also called a gas leakage detection alarm instrument, and when the combustible gas in the industrial environment and the daily living environment leaks, the combustible gas alarm detects that the concentration of the combustible gas reaches an alarm value set by the alarm, the combustible gas alarm can send out audible and visual alarm signals so as to remind people to take safety measures such as evacuation, forced air exhaust, equipment shutdown and the like.
The traditional Chinese patent with the publication number of CN213844327U discloses a combustible gas alarm with high sensitivity, which comprises an alarm driving cavity, a fan mounting seat and a gas sensing cavity, wherein a movable rod is fixedly arranged in the gas sensing cavity, a first mounting cushion block is movably sleeved on the surface of the movable rod, a sensor body is fixedly arranged in the gas sensing cavity, one side of the sensor body is fixedly connected with a pushing rod, and a second mounting cushion block is mutually attached to the surface of the pushing rod; the sensor comprises a sensor body, wherein an air collecting cavity is formed in the sensor body, a sliding rail is fixedly arranged at the top end of the sensor body, a first sliding block is mutually attached to the top end of the sliding rail, a second sliding block is mutually attached to the top end of the sliding rail, a movable cavity is mutually attached to the inner wall of the air collecting cavity, and an air collecting bag is fixedly arranged in the movable cavity.
With respect to the related art as described above, the inventors found that there are at least the following problems in this technology: when the sensor senses that the concentration of the combustible gas exceeds the standard, the gas source cannot be cut off quickly, and the safety efficiency is low.
Disclosure of Invention
The utility model aims to provide a sensitive combustible gas alarm for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sensitivity combustible gas alarm, includes the alarm body of fixed mounting on combustible gas pipeline, one side of alarm body is equipped with the gas sensing box, be equipped with the sensor in the gas sensing box, the inside fixed mounting of alarm body has the fixed block, the inside rotation of fixed block is connected with two-way threaded rod, the one end that two-way threaded rod is close to the fixed block is connected with actuating mechanism, the equal threaded connection in both ends of two-way threaded rod surface has the movable block, the bottom sliding connection of movable block has slide mechanism, the top of movable block articulates there is the bracing piece, the one end that the movable block was kept away from to the bracing piece articulates there is the shutoff piece.
As a preferred embodiment, a controller is arranged inside the alarm body at one side of the driving mechanism.
As a preferred implementation mode, the sliding mechanism comprises a first sliding block, the top of the first sliding block is fixedly connected with the moving block, and a first sliding groove matched with the first sliding block is formed in the alarm body.
As a preferred implementation mode, the driving mechanism comprises a motor, the motor is fixedly connected with the alarm body, a first bevel gear is fixedly arranged at the output end of the motor, a second bevel gear is connected with the first bevel gear in a meshed mode, and the second bevel gear is fixedly connected with the bidirectional threaded rod.
As a preferred implementation mode, one side of the plugging block is fixedly provided with a clamping block, and the inner wall of the combustible gas pipeline is provided with a clamping groove matched with the combustible gas pipeline.
As a preferred implementation mode, the second sliding blocks are fixedly arranged on the two opposite sides of the plugging block, and a second sliding groove matched with the second sliding blocks is formed in the alarm body.
Compared with the prior art, the utility model has the beneficial effects that:
this sensitivity combustible gas alarm, through the setting of gas sensing box, a sensor, two-way threaded rod, actuating mechanism, the movable block, the bracing piece, shutoff piece and controller, in the air can get into gas sensing box, when the sensor sensed that combustible gas concentration exceeds standard, accessible controller triggers actuating mechanism, make actuating mechanism drive two-way threaded rod rotate, make two movable blocks drive two movable blocks be close to each other, make the movable block drive the shutoff piece through the bracing piece and rise to in the combustible gas pipeline, cut off fast to the combustible gas pipeline, thereby prevent the transmission of combustible gas, improve safety efficiency.
This sensitivity combustible gas alarm through slide mechanism's setting, can support and spacing the movable block, can make the movable block remove more steadily simultaneously.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the combustible gas conduit and alarm body of the present utility model;
fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
In the figure: 1. a combustible gas conduit; 2. an alarm body; 21. a gas sensor cartridge; 22. a sensor; 3. a fixed block; 4. a two-way threaded rod; 5. a driving mechanism; 501. a motor; 502. a first bevel gear; 503. a second bevel gear; 6. a moving block; 7. a sliding mechanism; 701. a first slider; 702. a first chute; 8. a block; 9. a controller; 10. a clamping block; 11. a second slider; 12. and a second chute.
Detailed Description
The utility model is further described below with reference to examples.
The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.
Referring to fig. 1-3, the utility model provides a sensitive combustible gas alarm, which comprises an alarm body 2 fixedly installed on a combustible gas pipeline 1, wherein one side of the alarm body 2 is provided with a gas sensing box 21, one side of the gas sensing box 21 is of a porous structure, a sensor 22 is arranged in the gas sensing box 21, a fixed block 3 is fixedly installed in the alarm body 2, a bidirectional threaded rod 4 is connected in the fixed block 3 in a rotating way, one end, close to the fixed block 3, of the bidirectional threaded rod 4 is connected with a driving mechanism 5, one side, close to the driving mechanism 5, of the inside of the alarm body 2 is provided with a controller 9, both the sensor 22 and the driving mechanism 5 are electrically connected with the controller 9, both ends of the outer surface of the bidirectional threaded rod 4 are in threaded connection with a moving block 6, the top of the moving block 6 is hinged with a supporting rod, one end, far away from the moving block 6, of the supporting rod is hinged with a sealing block 8, and through the setting of the gas sensing box 21, the sensor 22, the bidirectional threaded rod 4, the driving mechanism 5, the moving block 6, the supporting rod 8 and the controller 9, when the sensor 22 is close to the fixed block 3, the end is connected with the driving mechanism 5, the two-way combustible gas pipeline 1 is triggered by the driving mechanism, and the two-way combustible gas pipeline 4 is driven by the two-way gas sealing block 4, and the two-way sealing block 4 can be driven by the two-way gas pipeline 1 to move in a high speed, and can be triggered by the two-way, and the two-way gas pipeline 1, and can be driven by the two-way and can be driven by the driving mechanism and the two-way gas pipeline 1 to move by the combustible gas pipeline.
The driving mechanism 5 comprises a motor 501, the motor 501 is fixedly connected with the alarm body 2, a first bevel gear 502 is fixedly arranged at the output end of the motor 501, a second bevel gear 503 is connected with the first bevel gear 502 in a meshed mode, the second bevel gear 503 is fixedly connected with the bidirectional threaded rod 4, the motor 501 can drive the first bevel gear 502 to rotate, the first bevel gear 502 can drive the second bevel gear 503 to rotate, and the second bevel gear 503 can drive the bidirectional threaded rod 4 to rotate.
Further, the bottom sliding connection of movable block 6 has slide mechanism 7, and slide mechanism 7 includes first slider 701, and the top and the movable block 6 fixed connection of first slider 701, the inside of alarm body 2 have been seted up with the first spout 702 of first slider 701 looks adaptation, and first slider 701 and first spout 702 can support and spacing movable block 6, can make movable block 6 remove more steady simultaneously.
Further, a clamping block 10 is fixedly arranged on one side of the plugging block 8, a clamping groove matched with the flammable gas pipeline 1 is formed in the inner wall of the flammable gas pipeline 1, and the clamping block 10 and the clamping groove can increase the contact area between the plugging block 8 and the flammable gas pipeline 1, so that the connection between the flammable gas pipeline 1 and the plugging block 8 is more stable.
Further, the second sliding blocks 11 are fixedly installed on the two opposite sides of the plugging block 8, the second sliding grooves 12 matched with the second sliding blocks 11 are formed in the alarm body 2, the second sliding blocks 11 and the second sliding grooves 12 can limit the moving positions of the plugging block 8, and meanwhile the plugging block 8 can move more stably.
The working principle and the using flow of the utility model are as follows: when the gas sensor box 21 is used, through the arrangement of the gas sensor box 21, the sensor 22, the bidirectional threaded rod 4, the driving mechanism 5, the moving block 6, the supporting rod, the plugging block 8 and the controller 9, air can enter the gas sensor box 21, when the sensor 22 senses that the concentration of combustible gas exceeds the standard, the driving mechanism 5 is triggered by the controller 9, the driving mechanism 5 drives the bidirectional threaded rod 4 to rotate, the bidirectional threaded rod 4 drives the two moving blocks 6 to be close to each other, the moving block 6 drives the plugging block 8 to rise into the combustible gas pipeline 1 through the supporting rod, and the combustible gas pipeline 1 is rapidly cut off, so that the transmission of the combustible gas is prevented, and the safety efficiency is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a sensitivity flammable gas alarm, includes alarm body (2) on flammable gas pipeline (1) of fixed mounting, its characterized in that: one side of alarm body (2) is equipped with gas sensing box (21), be equipped with sensor (22) in gas sensing box (21), the inside fixed mounting of alarm body (2) has fixed block (3), the inside rotation of fixed block (3) is connected with two-way threaded rod (4), the one end that two-way threaded rod (4) is close to fixed block (3) is connected with actuating mechanism (5), the equal threaded connection in both ends of two-way threaded rod (4) surface has movable block (6), the bottom sliding connection of movable block (6) has slide mechanism (7), the top of movable block (6) articulates there is the bracing piece, the one end that the movable block (6) was kept away from to the bracing piece articulates there is shutoff piece (8).
2. A sensitive combustible gas alarm according to claim 1 wherein: a controller (9) is arranged at one side of the driving mechanism (5) inside the alarm body (2).
3. A sensitive combustible gas alarm according to claim 1 wherein: the sliding mechanism (7) comprises a first sliding block (701), the top of the first sliding block (701) is fixedly connected with the moving block (6), and a first sliding groove (702) matched with the first sliding block (701) is formed in the alarm body (2).
4. A sensitive combustible gas alarm according to claim 1 wherein: the driving mechanism (5) comprises a motor (501), the motor (501) is fixedly connected with the alarm body (2), a first bevel gear (502) is fixedly arranged at the output end of the motor (501), a second bevel gear (503) is connected with the first bevel gear (502) in a meshed mode, and the second bevel gear (503) is fixedly connected with the bidirectional threaded rod (4).
5. A sensitive combustible gas alarm according to claim 1 wherein: one side of the plugging block (8) is fixedly provided with a clamping block (10), and the inner wall of the combustible gas pipeline (1) is provided with a clamping groove matched with the combustible gas pipeline (1).
6. A sensitive combustible gas alarm according to claim 1 wherein: the two opposite sides of the plugging block (8) are fixedly provided with second sliding blocks (11), and a second sliding groove (12) matched with the second sliding blocks (11) is formed in the alarm body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322215339.0U CN220471395U (en) | 2023-08-17 | 2023-08-17 | Sensitive combustible gas alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322215339.0U CN220471395U (en) | 2023-08-17 | 2023-08-17 | Sensitive combustible gas alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220471395U true CN220471395U (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322215339.0U Active CN220471395U (en) | 2023-08-17 | 2023-08-17 | Sensitive combustible gas alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220471395U (en) |
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2023
- 2023-08-17 CN CN202322215339.0U patent/CN220471395U/en active Active
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