CN114639227B - Gas detection alarm - Google Patents
Gas detection alarm Download PDFInfo
- Publication number
- CN114639227B CN114639227B CN202210132736.9A CN202210132736A CN114639227B CN 114639227 B CN114639227 B CN 114639227B CN 202210132736 A CN202210132736 A CN 202210132736A CN 114639227 B CN114639227 B CN 114639227B
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- Prior art keywords
- alarm
- gas detection
- sliding
- cover
- supporting rod
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- 238000001514 detection method Methods 0.000 title claims abstract description 62
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 210000001503 joint Anatomy 0.000 claims abstract 2
- 238000005192 partition Methods 0.000 claims description 11
- 230000006978 adaptation Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 54
- 230000006835 compression Effects 0.000 description 13
- 238000007906 compression Methods 0.000 description 13
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/12—Manually actuated calamity alarm transmitting arrangements emergency non-personal manually actuated alarm, activators, e.g. details of alarm push buttons mounted on an infrastructure
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/14—Toxic gas alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The application discloses a gas detection alarm, and relates to the technical field of alarm devices. The alarm comprises an installation box and an alarm body arranged in the installation box, wherein a pressure sensor is arranged on the alarm body, and a supporting rod, a pressing mechanism for driving one end of the supporting rod to be in butt joint with the pressure sensor, a limiting mechanism for limiting the displacement distance of the supporting rod and a reset mechanism for resetting the supporting rod are arranged in the installation box. The pressing mechanism drives the supporting rod to be abutted with the pressure sensor so as to enable the gas detection alarm to alarm, the limiting component limits the displacement distance of the supporting rod, the pressure of the supporting rod during the abutting with the pressure sensor is controlled, the possibility that the pressure sensor is overloaded and damaged is reduced, the reset mechanism can realize automatic reset of the key mechanism and stop alarming, a worker is not required to manually reset, the operation during the next alarming is convenient, and the normal use of the gas detection alarm is ensured.
Description
Technical Field
The application relates to the technical field of alarm devices, in particular to a gas detection alarm.
Background
The gas detection alarm can detect the concentration of combustible gas, toxic gas and compound gas, and convert the detected gas concentration into an electric signal, and when the gas concentration reaches an alarm point, the gas detection alarm gives out an alarm signal, so that early warning is realized, and sudden conditions can be rapidly coped with.
In the related art, the gas detection alarm is generally opened by pressing a button, when the gas detection alarm starts to be pressed, the elastic sheet is in contact with the alarm, the gas detection alarm starts to alarm, and when the gas detection alarm stops to be pressed, the button is reset through rebound of the elastic sheet, and the gas detection alarm stops to alarm.
Because the button in the related art is reset through the spring plate rebound, the spring plate is easy to fail, so that the button is easy to fail when being pressed or reset, the service life of the gas detection alarm is reduced, and the normal use of the gas detection alarm is influenced.
Disclosure of Invention
In order to ensure the normal use of the gas detection alarm, the application provides the gas detection alarm.
The application provides a gas detection alarm which adopts the following technical scheme:
The utility model provides a gas detection alarm, is in including mounting box and setting the inside alarm body of mounting box, be provided with pressure sensor on the alarm body, be provided with branch, drive in the mounting box the one end of branch with pressure sensor butt press mechanism, restriction the stop gear of displacement distance of branch and make the canceling release mechanical system that branch reset.
Through adopting above-mentioned technical scheme, pressing mechanism drive branch and pressure sensor butt to make gaseous detection alarm report to the police, when branch and pressure sensor butt, the displacement distance of spacing subassembly restriction branch, pressure when control branch and pressure sensor butt reduces pressure sensor overload and receives the possibility of damage, when stopping exerting pressure to pressing mechanism, canceling release mechanical system can realize button mechanism automatic re-setting and stop reporting to the police, need not the staff and manually resets, operation when being convenient for next report to the police, has guaranteed gaseous detection alarm's normal use.
Optionally, the pressing mechanism sets up in the bottom of mounting box, pressing mechanism includes the button, connects the button with the coupling assembling of extension rod and drive coupling assembling goes up and down along vertical direction the lifting unit who goes up and down, the button can be followed vertical direction drive lifting unit and is gone up and down.
Through adopting above-mentioned technical scheme, pressing mechanism sets up in the bottom of mounting box, and the user needs upwards to press the button along vertical direction, and button drive lifting unit goes up and down along vertical direction, and lifting unit drives coupling assembling again and drives branch and support pressure sensor, presses the vertical upwards of direction, has reduced the emergence of the mistake of gas detection alarm and has touched the phenomenon, has reduced staff's work load, has improved the life of gas detection alarm.
Optionally, the lifting assembly includes lifting column, slip cover and spliced pole, the inner wall of slip cover is provided with first slider, the periphery of lifting column along vertical direction seted up with the first spout of first slider looks adaptation, first spout sets up to spiral, the top and the bottom of first spout all are provided with spacing portion, the slip cover passes through first slider with lifting column sliding connection, the one end of spliced pole with lifting column's top fixed connection, the other end runs through along vertical direction the slip cover, the button cavity sets up, the button can be overlapped and establish on the lifting column, the top of button with first slider is close to one side butt of mounting box bottom, the lifting assembly with the coupling assembling rotates to be connected.
Through adopting above-mentioned technical scheme, button and first slider butt, when upwards pressing the button along vertical direction, the button can promote first slider along first spout upward movement, the lifting column is rotatory along the axial of lifting column and drive the spliced pole and rotate, the condition that has reduced the user mistake and has touched gas detection alarm takes place, when waiting that first slider removes the top of first spout, first slider and spacing butt continue to press the button, the spliced pole drives coupling assembling and moves along vertical direction, the spliced pole drives the direction motion of branch towards pressure sensor, both reduced the user mistake and touched and also not influenced gas detection alarm's normal use.
Optionally, stop gear is including setting up spacing cover and the second slider of lifting unit outside, the bottom of spacing cover with the inner wall fixed connection of the bottom of installation box, the spliced pole is kept away from the one end of lifting column runs through spacing cover with the coupling assembling is connected, the second slider sets up spacing cover is close to one side of spliced pole, spacing cover is used for controlling the displacement of spliced pole.
Through adopting above-mentioned technical scheme, stop gear control spliced pole's displacement has reduced the condition emergence that the user touched gas detection alarm by mistake to reduced the phenomenon emergence that produces pressure sensor damage because of branch to pressure sensor's pressure is too big, improved gas detection alarm's life.
Optionally, the second spout has been seted up along the horizontal direction to the periphery of spliced pole, the opening orientation of second spout is kept away from the direction setting of spliced pole periphery, the third spout has been seted up along vertical direction to the periphery of spliced pole, the opening orientation of third spout is kept away from the direction setting of spliced pole periphery, the one end of third spout with the second spout intercommunication, the second slider with the second spout with third spout looks adaptation, the limiting cover passes through the second slider with spliced pole sliding connection.
Through adopting above-mentioned technical scheme, when button drive slip cap upwards moved, the slip cap drove the lift post and rotates, and lift post drive spliced pole is along axial rotation, and the second slider passes through second spout and spliced pole sliding connection, and when first slider and spacing butt, the second slider passes through third spout and spliced pole sliding connection, and the spliced pole upwards moves along vertical direction to drive branch towards pressure sensor's direction removal, further improved the performance that prevents the mistake and touch of gas detection alarm.
Optionally, the alarm body with press the vertical baffle that is provided with between the mechanism, the baffle is close to one side of pressing the mechanism has been seted up the slope, the slope is followed the baffle orientation press the direction slope of mechanism and set up downwards, branch keep away from press the one end of mechanism with the inclined plane butt of slope, pressure sensor sets up the top of slope.
Through adopting above-mentioned technical scheme, the one end of branch and the inclined plane butt at slope, pressing mechanism drive branch upwards move, and branch moves along the direction of slope towards pressure sensor, has improved the stability of branch to the stability of butt between branch and the pressure sensor has been improved, the normal use of gas detection alarm has been guaranteed.
Optionally, the coupling assembling includes connecting block and articulated seat, branch keep away from pressure sensor's one end pass through articulated seat with the connecting block is connected, the connecting block be close to one side of spliced pole with the spliced pole rotates to be connected.
Through adopting above-mentioned technical scheme, the connecting block rotates with the spliced pole to be connected, has reduced the connecting block and has taken place along with the pivoted phenomenon of spliced pole, and then has reduced branch and take place pivoted possibility, does not influence the normal use of gas detection alarm, and pressure sensor's one end is kept away from to branch is articulated through articulated seat with the connecting block, makes branch along the horizontal direction removal when following vertical direction motion, makes branch and inclined plane keep the butt, and then has guaranteed the normal use of gas detection alarm.
Optionally, the reset mechanism includes a first elastic element, the first elastic element is disposed between the limiting cover and the sliding cover, and two ends of the first elastic element are fixedly connected with the limiting cover and the sliding cover.
Through adopting above-mentioned technical scheme, when exerting vertical ascending power to the button, slide cover also along vertical direction upwards removal, first elastic component is in compression state, when loosening the button, and first elastic component takes place to rebound, promotes to slide the cover and moves towards the direction of keeping away from the limiting cover, makes pressing mechanism get back to initial position, need not the manual operation of staff and makes gas detection alarm stop reporting to the police, has reduced staff's work load, has improved gas detection alarm's convenience of use and life.
Optionally, the periphery of button is provided with the spacing ring, the spacing ring sets up the button is close to the one end of lifting unit, the spacing ring be close to one side of mounting box bottom can with the inner wall butt of the bottom of mounting box.
Through adopting above-mentioned technical scheme, the spacing ring can reduce the phenomenon emergence that the button drops in the mounting box, has further guaranteed the normal use of this gas detection alarm.
Optionally, the reset mechanism further includes a reset ring disposed on an outer periphery of the key, and the reset ring is disposed at an end of the key away from the first slider.
Through adopting above-mentioned technical scheme, the user pulls the button downwards through reset ring, helps accelerating lifting unit's reset, further improves the speed of resetting of branch, makes gas detection alarm stop the warning fast, has practiced thrift the energy, has reduced staff's work load to the gas detection alarm's of being convenient for next time uses.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the pressing mechanism drives the supporting rod to be abutted with the pressure sensor so as to enable the gas detection alarm to alarm, the limiting component limits the displacement distance of the supporting rod, the pressure when the supporting rod is abutted with the pressure sensor is controlled, the possibility that the pressure sensor is overloaded and damaged is reduced, the reset mechanism can realize automatic reset of the key mechanism and stop alarming, a worker does not need to manually reset, the operation during the next alarming is convenient, and the normal use of the gas detection alarm is ensured;
2. the lifting column rotates along the axial direction of the lifting column and drives the connecting column to rotate, so that the occurrence of the situation that a user touches the gas detection alarm by mistake is reduced, the key is continuously pressed, the connecting column drives the connecting assembly to move along the vertical direction, and the connecting column drives the supporting rod to move towards the direction of the pressure sensor, so that the situation that the user touches by mistake is reduced, and the normal use of the gas detection alarm is not influenced;
3. When applying vertical ascending power to the button, the slip cover also upwards moves along vertical direction, and first elastic component is in compression state, when loosening the button, and first elastic component takes place to kick-back, promotes the slip cover and moves towards the direction of keeping away from the limiting cover, makes pressing mechanism get back to initial position, need not the manual operation of staff and makes gas detection alarm stop reporting to the police, has reduced staff's work load, has improved gas detection alarm's convenience of use and life.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application.
Fig. 2 is a schematic structural view of the whole structure of the present application after hiding the cover plate.
Fig. 3 is a schematic view mainly showing the structure of a separator according to an embodiment of the present application.
Fig. 4 is a cross-sectional view of a front view of the overall structure of an embodiment of the present application.
Fig. 5 is an enlarged schematic view of the portion a in fig. 4.
Fig. 6 is a schematic structural view mainly showing a pressing mechanism according to an embodiment of the present application.
Reference numerals illustrate:
1. A mounting box; 11. an alarm body; 12. a pressure sensor; 13. a partition plate; 131. a ramp; 1311. a fourth chute; 14. a first cavity; 15. a second cavity; 16. a warning light; 17. a horn; 18. a housing; 19. a cover plate; 191. a locking bolt; 2. a support rod; 21. a third slider; 3. a key; 31. a limiting ring; 4. a connection assembly; 41. a connecting block; 42. a hinge base; 5. a lifting assembly; 51. lifting columns; 511. a first chute; 52. a sliding cover; 521. a first slider; 522. a baffle; 53. a connecting column; 531. a second chute; 532. a third chute; 54. a limit part; 6. a limiting cover; 61. a second slider; 71. a first elastic member; 72. a second elastic member; 73. and a reset ring.
Detailed Description
The application is described in further detail below with reference to fig. 1-6.
The embodiment of the application discloses a gas detection alarm.
Referring to fig. 1 and 2, the gas detection alarm includes a mounting case 1, an alarm body 11 for alarming, a rod 2 for opening the alarm body 11, a pressing mechanism for driving the rod 2 to move, a limiting mechanism for limiting the displacement distance of the rod 2, and a reset mechanism for resetting the rod 2.
Referring to fig. 1, the gas detection alarm is installed on a wall surface, the installation box 1 comprises a shell 18 and a cover plate 19, a locking bolt 191 is arranged between the cover plate 19 and the shell 18, the cover plate 19 is detachably connected with the shell 18 through the locking bolt 191, the locking bolt 191 penetrates through the cover plate 19 along the horizontal direction and is in threaded connection with the shell 18, and a vertical side of the installation box 1 is fixedly connected with the wall surface.
Referring to fig. 2, a partition 13 is vertically arranged in the installation box 1, the partition 13 is parallel to the wall surface, four sides of the partition 13 are fixedly connected with the inner wall of the installation box 1, the partition 13 divides the inner part of the installation box 1 into a first cavity 14 and a second cavity 15, the first cavity 14 is far away from the wall surface, a pressing mechanism is arranged in the first cavity 14 for facilitating the use of a gas detection alarm by a user, an alarm body 11 is arranged in the second cavity 15, a warning lamp 16 is arranged on one side of the installation box 1 far away from the wall surface, and a loudspeaker 17 is arranged at the bottom of the second cavity 15.
Referring to fig. 2 and 3, a slope 131 is provided on one side of the partition 13 near the pressing mechanism, the slope 131 is obliquely downward arranged along the direction of the partition 13 toward the pressing mechanism, one end of the strut 2 is hinged to the pressing mechanism, the other end is fixedly connected with a third sliding block 21, one end of the strut 2 near the pressing mechanism in the initial position is lower than the other end, a fourth sliding groove 1311 matched with the third sliding block 21 is provided on the slope of the slope 131, a pressure sensor 12 is provided on the top end of the fourth sliding groove 1311, the pressure sensor 12 is embedded into the partition 13, one side of the pressure sensor 12 far away from the pressing mechanism is fixedly connected with the alarm body 11, the pressing mechanism drives the strut 2 to move upwards along the fourth sliding groove 1311 and abut against the pressure sensor 12, and in order to improve the smoothness of the movement of the strut 2 in the fourth sliding groove 1311, and the third sliding block 21 is spherical.
Referring to fig. 2, the pressing mechanism includes a key 3, a connection assembly 4 connecting the key 3 and the strut 2, and a lifting assembly 5 driving the connection assembly 4 to lift in a vertical direction.
Wherein, coupling assembling 4 rotates with lifting unit 5 to be connected, and coupling assembling 4 includes connecting block 41 and articulated seat 42, and the bottom and the lifting unit 5 of connecting block 41 rotate to be connected, and articulated seat 42 fixed connection is being close to one side of baffle 13 at connecting block 41, and the articulated shaft of articulated seat 42 is on a parallel with the wall setting along the horizontal direction, and the one end that third slider 21 was kept away from to branch 2 is articulated with connecting block 41 through articulated seat 42.
Referring to fig. 4 and 5, the lifting assembly 5 includes a lifting column 51, a sliding cover 52 and a connection column 53, wherein a first slider 521 is provided on an inner wall of the sliding cover 52, a first sliding groove 511 adapted to the first slider 521 is provided on an outer circumference of the lifting column 51 along a vertical direction, the first sliding groove 511 is provided in a spiral shape, a limit part 54 is provided at a top end and a bottom end of the first sliding groove 511, and the sliding cover 52 is slidably connected with the lifting column 51 through the first slider 521; one end of the connecting column 53 is fixedly connected with the top end of the lifting column 51, the other end penetrates the sliding cover 52 along the vertical direction and is in sliding connection with the sliding cover 52, in order to improve lifting stability of the lifting column 51, two first sliding blocks 521 are arranged, two first sliding grooves 511 are arranged, and the two first sliding blocks 521 are oppositely arranged on the inner wall of the sliding cover 52.
Referring to fig. 5, a baffle 522 is provided at the bottom of the slide cover 52, the baffle 522 abuts against the outer periphery of the key 3, and the bottom surface of the baffle 522 can abut against the inner wall of the bottom of the mounting case 1; one end of the connecting column 53 away from the lifting column 51 is rotatably connected with the bottom of the connecting block 41, and when the lifting column 51 rotates, the lifting column 51 drives the connecting column 53 to rotate in the connecting block 41.
Referring to fig. 6, a second chute 531 is provided along the outer circumference of the connection post 53 in the horizontal direction, the second chute 531 is provided at one end of the connection post 53 away from the lifting post 51, the opening of the second chute 531 is provided toward the outer circumference of the connection post 53, a third chute 532 is provided along the outer circumference of the connection post 53 in the vertical direction, the notch of the third chute 532 is provided toward the direction away from the outer circumference of the connection post 53, and the top end of the third chute 532 is communicated with the second chute 531.
Referring to fig. 5 and 6, the button 3 is hollow, the button 3 is arranged below the lifting column 51, the false touch phenomenon of the gas detection alarm is reduced, the button 3 can be sleeved on the lifting column 51, the limiting ring 31 is arranged on the periphery of the button 3, the limiting ring 31 is fixedly connected to one end of the button 3, which is close to the lifting column 51, of the button 3, the top end of the limiting ring 31 can be abutted to the first slider 521, the button 3 pushes the second slider 61 to drive the lifting assembly 5 to lift along the vertical direction, one side, which is close to the bottom of the mounting box 1, of the limiting ring 31 is abutted to the top surface of the baffle 522, and the phenomenon that the button 3 slides out of the mounting box 1 is reduced.
The limiting mechanism comprises a limiting cover 6 and a second sliding block 61 which are arranged outside the lifting assembly 5, the bottom of the limiting cover 6 is fixedly connected with the inner wall of the bottom of the mounting box 1, one end of the connecting column 53, which is far away from the lifting column 51, sequentially penetrates through the sliding cover 52 and the limiting cover 6 and is connected with the connecting block 41, the second sliding block 61 is arranged on one side, close to the connecting column 53, of the limiting cover 6, the second sliding block 61 is matched with the second sliding groove 531 and the third sliding groove 532, and the limiting cover 6 is in sliding connection with the connecting column 53 through the second sliding block 61; in order to improve the stability of connection between the limiting cover 6 and the connecting column 53, two second sliding blocks 61 are arranged on the limiting cover 6, two third sliding grooves 532 are arranged on the limiting cover, when the second sliding blocks 61 are positioned at the bottom of the third sliding grooves 532, the third sliding blocks 21 at one end of the supporting rod 2 are abutted with the pressure sensor 12, the first sliding blocks 521 are abutted with the limiting part 54, and the key 3 stops moving.
Referring to fig. 5 and 6, the reset mechanism includes a first elastic member 71 disposed between the limiting cover 6 and the sliding cover 52, a second elastic member 72 disposed between the sliding cover 52 and the bottom of the installation box 1, and a reset ring 73 disposed at the periphery of the key 3, in this embodiment, the first elastic member 71 is a first compression spring, the first compression spring is sleeved on the periphery of the connecting post 53, one end of the first compression spring is fixedly connected with one side of the limiting cover 6 near the top of the sliding cover 52, and the other end is fixedly connected with one side of the sliding cover 52 near the top of the limiting cover 6; in this embodiment, the second elastic member 72 is a second compression spring, which is sleeved on the outer periphery of the case, one end of the second compression spring is fixedly connected with the bottom of the baffle 522, and the other end is fixedly connected with the inner wall of the bottom of the mounting box 1.
The first compression spring and the second compression spring are in a free state when the key 3 is not pressed, the first compression spring is in a compressed state when the key 3 is pressed upwards, the second compression spring is in a stretched state, when the key 3 is stopped being pressed, the first compression spring pushes the sliding cover 52 to move downwards, and meanwhile the second compression spring pulls the sliding cover 52 to move downwards, so that the resetting effect of the gas detection alarm is improved.
Referring to fig. 2 and 5, the reset ring 73 is disposed on the periphery of the key 3, the reset ring 73 is fixedly connected to one end of the key 3 away from the first slider 521, the key 3 is pulled downwards by the reset ring 73, and the stop ring 31 on the key 3 abuts against the top of the baffle 522, so that the sliding cover 52 is driven to move downwards, the resetting of the gas detection alarm is accelerated, and the service life of the gas detection alarm is prolonged.
The implementation principle of the gas detection alarm provided by the embodiment of the application is as follows: when the gas detection alarm is needed, a user presses the key 3 in the vertical upward direction, the key 3 pushes the first slide block 521 to move upward along the first slide groove 511 on the lifting column 51, the lifting column 51 drives the connecting column 53 to rotate, when the first slide block 521 is abutted to the limiting part 54, the connecting column 53 stops rotating, the key 3 is continuously pressed, the connecting column 53 moves upward and drives the connecting block 41 to move upward, the connecting block 41 drives the supporting rod 2 to move upward along the direction of the fourth slide groove 1311, when the second slide block 61 on the limiting cover 6 is abutted to the bottom of the fourth slide groove 1311, the third slide block 21 on one end of the supporting rod 2 abuts to the pressure sensor 12, the alarm body 11 starts to alarm, the alarm lamp 16 flashes, the loudspeaker 17 emits an alarm sound, at the moment, under the effect of the limiting mechanism, pressure is continuously applied to the key 3, the connecting column 53 does not move, the pressure of the supporting rod 2 is constant, the overload risk of the pressure sensor 12 is reduced, the pressure is stopped to the key 3, the gas detection alarm is automatically reset by the reset mechanism, the gas detection alarm is enabled, the gas detection alarm is improved, the service life of the gas detection alarm is ensured, and the normal alarm service life is ensured.
The above is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. A gas detection alarm, characterized in that: the automatic alarm device comprises a mounting box (1) and an alarm body (11) arranged in the mounting box (1), wherein a pressure sensor (12) is arranged on the alarm body (11), a supporting rod (2), a pressing mechanism for driving one end of the supporting rod (2) to be in butt joint with the pressure sensor (12), a limiting mechanism for limiting the displacement distance of the supporting rod (2) and a reset mechanism for resetting the supporting rod (2) are arranged in the mounting box (1);
the pressing mechanism is arranged at the bottom of the mounting box (1) and comprises a key (3), a connecting component (4) for connecting the key (3) and the supporting rod (2) and a lifting component (5) for driving the connecting component (4) to lift along the vertical direction, and the key (3) can drive the lifting component (5) to lift along the vertical direction;
The lifting assembly (5) comprises a lifting column (51), a sliding cover (52) and a connecting column (53), wherein a first sliding block (521) is arranged on the inner wall of the sliding cover (52), a first sliding groove (511) matched with the first sliding block (521) is formed in the periphery of the lifting column (51) along the vertical direction, the first sliding groove (511) is spirally arranged, limiting parts (54) are respectively arranged at the top end and the bottom end of the first sliding groove (511), the sliding cover (52) is in sliding connection with the lifting column (51) through the first sliding block (521), one end of the connecting column (53) is fixedly connected with the top end of the lifting column (51), the other end of the connecting column penetrates through the sliding cover (52) along the vertical direction, the key (3) is arranged in a hollow mode, the top end of the key (3) can be sleeved on the lifting column (51), and the top end of the key (3) is abutted against one side, close to the bottom of the mounting box (1), of the first sliding block (521), and the lifting assembly (5) is abutted against the rotating assembly (4).
The limiting mechanism comprises a limiting cover (6) and a second sliding block (61) which are arranged outside the lifting assembly (5), the bottom of the limiting cover (6) is fixedly connected with the inner wall of the bottom of the installation box (1), one end, far away from the lifting column (51), of the connecting column (53) penetrates through the limiting cover (6) to be connected with the connecting assembly (4), the second sliding block (61) is arranged on one side, close to the connecting column (53), of the limiting cover (6), and the limiting cover (6) is used for controlling displacement of the connecting column (53);
The periphery of spliced pole (53) has seted up second spout (531) along the horizontal direction, the opening orientation of second spout (531) is kept away from the direction setting of spliced pole (53) periphery, third spout (532) have been seted up along vertical direction to the periphery of spliced pole (53), the opening orientation of third spout (532) is kept away from the direction setting of spliced pole (53) periphery, the one end of third spout (532) with second spout (531) intercommunication, second slider (61) with second spout (531) with third spout (532) looks adaptation, limiting cover (6) are passed through second slider (61) with spliced pole (53) sliding connection.
2. A gas detection alarm as claimed in claim 1, wherein: the alarm is characterized in that a partition plate (13) is vertically arranged between the alarm body (11) and the pressing mechanism, a slope (131) is formed in one side, close to the pressing mechanism, of the partition plate (13), the slope (131) is arranged downwards in a slope mode along the direction of the partition plate (13) towards the pressing mechanism, one end, far away from the pressing mechanism, of the support rod (2) is abutted to the inclined surface of the slope (131), and the pressure sensor (12) is arranged at the top end of the slope (131).
3. A gas detection alarm as claimed in claim 1, wherein: the connecting assembly (4) comprises a connecting block (41) and a hinging seat (42), one end, far away from the pressure sensor (12), of the supporting rod (2) is connected with the connecting block (41) through the hinging seat (42), and one side, close to the connecting column (53), of the connecting block (41) is rotationally connected with the connecting column (53).
4. A gas detection alarm as claimed in claim 1, wherein: the resetting mechanism comprises a first elastic piece (71), wherein the first elastic piece (71) is arranged between the limiting cover (6) and the sliding cover (52), and two ends of the first elastic piece (71) are fixedly connected with the limiting cover (6) and the sliding cover (52).
5. A gas detection alarm as claimed in claim 1, wherein: the periphery of button (3) is provided with spacing ring (31), spacing ring (31) set up button (3) are close to the one end of lifting unit (5), spacing ring (31) be close to one side of mounting box (1) bottom can with the inner wall butt of the bottom of mounting box (1).
6. A gas detection alarm as claimed in claim 1, wherein: the reset mechanism further comprises a reset ring (73) arranged on the periphery of the key (3), and the reset ring (73) is arranged at one end, far away from the first sliding block (521), of the key (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132736.9A CN114639227B (en) | 2022-02-14 | 2022-02-14 | Gas detection alarm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132736.9A CN114639227B (en) | 2022-02-14 | 2022-02-14 | Gas detection alarm |
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| CN114639227A CN114639227A (en) | 2022-06-17 |
| CN114639227B true CN114639227B (en) | 2024-04-30 |
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| CN202210132736.9A Active CN114639227B (en) | 2022-02-14 | 2022-02-14 | Gas detection alarm |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010092167A (en) * | 2008-10-06 | 2010-04-22 | Riken Keiki Co Ltd | Gas alarm |
| KR101876703B1 (en) * | 2018-03-15 | 2018-07-09 | 이종엽 | Automatic opening and closing device of gas valve |
| CN112124187A (en) * | 2020-10-21 | 2020-12-25 | 浦江县轩然汽车用品有限公司 | Traffic accident takes place to warn rescue headlight |
| CN112297259A (en) * | 2020-10-21 | 2021-02-02 | 广州蓝涛贸易有限公司 | A slope protection device for brilliant chamfer of circle |
| CN214670969U (en) * | 2021-04-06 | 2021-11-09 | 湖北九州一建工程设计有限公司 | Fire-fighting fire alarm device for fire station |
-
2022
- 2022-02-14 CN CN202210132736.9A patent/CN114639227B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010092167A (en) * | 2008-10-06 | 2010-04-22 | Riken Keiki Co Ltd | Gas alarm |
| KR101876703B1 (en) * | 2018-03-15 | 2018-07-09 | 이종엽 | Automatic opening and closing device of gas valve |
| CN112124187A (en) * | 2020-10-21 | 2020-12-25 | 浦江县轩然汽车用品有限公司 | Traffic accident takes place to warn rescue headlight |
| CN112297259A (en) * | 2020-10-21 | 2021-02-02 | 广州蓝涛贸易有限公司 | A slope protection device for brilliant chamfer of circle |
| CN214670969U (en) * | 2021-04-06 | 2021-11-09 | 湖北九州一建工程设计有限公司 | Fire-fighting fire alarm device for fire station |
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| Publication number | Publication date |
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| CN114639227A (en) | 2022-06-17 |
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