CN113624916B - Gas detector for environment detection - Google Patents
Gas detector for environment detection Download PDFInfo
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- CN113624916B CN113624916B CN202110772867.9A CN202110772867A CN113624916B CN 113624916 B CN113624916 B CN 113624916B CN 202110772867 A CN202110772867 A CN 202110772867A CN 113624916 B CN113624916 B CN 113624916B
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- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 230000007613 environmental effect Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 29
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
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- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention relates to the technical field of gas detection, in particular to a gas detector for environment detection, which comprises a top cover, an equipment main body, a sensor chamber, a driving motor, a tooth-driven mechanism, a self-locking mechanism and a protection device.
Description
Technical Field
The invention relates to the technical field of gas detection, in particular to a gas detector for environment detection.
Background
The gas detector is a common tool for detecting the concentration of gas leakage, and the types include a portable gas detector, a handheld gas detector, a fixed gas detector and the like. Gas sensors are mainly used for detecting the gas species present in the environment, and are sensors for detecting the composition and content of the gas.
The hand-held gas detector is often used in industrial factory areas with more inflammable and explosive or toxic and harmful gases, the hand-held gas detector is convenient and quick to use, but most of the air inlet holes and the sensor parts of the hand-held gas detector are directly arranged at the top of the detector, and cannot shrink when not in use, and if the hand-held gas detector is carelessly dropped when being taken by a user, the air inlet holes and the sensor can be damaged; in some factories or areas with larger dust, the air inlet holes and the sensors are exposed outside for a long time, and the dust can be attached, so that the caliber of the air inlet holes is reduced, the measurement result is influenced, the phenomenon of inaccurate measurement is easy to occur, and the use effect is influenced.
Disclosure of Invention
The invention provides a gas detector for environment detection, which aims at the problems in the prior art.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a gaseous detector for environmental detection, includes top cap, equipment main part, sensor room, driving motor, tooth move mechanism, self-locking mechanism and protection device, equipment main part top mid-mounting has the top cap, the shrinkage pool has been seted up in top cap bottom middle part, the sector plate is installed respectively to top cap bottom both sides, and every the square board is all installed to sector plate upper end, the square board is close to top cap lateral wall one side top and has seted up first straight flute, the second straight flute has been seted up to first straight flute below, just first straight flute is close to sector plate one end and is connected with the arc spout, top cap one side mid-mounting has the sensor room, just sensor room one side is provided with tooth move mechanism, the storing room has been seted up to sensor room below, sensor room top is fixed with the inlet port, the sensor room bottom is connected with the exhaust hole, the recess internally fixed with driving motor that the exhaust hole below was seted up, driving motor output shaft one side is connected with self-locking mechanism, just driving motor is close to storing room one side welding has the baffle, baffle both sides top and top plate top side has set up the second straight flute, sensor room is close to sector plate one side fixedly connected with the arc spout, two fixed connection have the fixed pin to install two adjacent fixed axle between the top at two fixed connection of sensor room, two adjacent fixed connection top two fixed axle sensor rooms.
Specifically, the tooth mechanism includes L type slide rail, pulley, first straight tooth, second straight tooth, first teeth of a cogwheel and second teeth of a cogwheel, the pulley is fixed in the square plate one side middle part that is close to the driving motor output shaft by the round pin axle, L type slide rail is fixed in the sensor room and is close to pulley one side middle part, just pulley and L type slide rail sliding connection, second straight tooth is fixed in driving motor output shaft one end, the meshing of second straight tooth has first straight tooth, just first straight tooth coupling is at equipment main part one side inner wall, first teeth of a cogwheel is installed in the curved surface outer wall that is close to the sector plate of driving motor output shaft, and first teeth of a cogwheel meshing is in first straight tooth top, first teeth of a cogwheel upper end is connected with the second teeth of a cogwheel, the second teeth of a cogwheel is fixed in the square plate one side outer wall that is close to the driving motor output shaft.
Specifically, self-locking mechanism includes second draw-in groove, L type kelly, connecting rod, dead lever, straight rack, fourth straight flute and return spring, straight rack engagement is in second straight rack below, fourth straight flute has been seted up to second straight rack below recess bottom, straight rack bottom sliding connection is in fourth straight flute, fourth straight flute both ends all are fixed with return spring, straight rack is kept away from storing room one end and is connected with the dead lever, dead lever one end articulates there is the connecting rod, connecting rod one end articulates there is L type kelly, third straight flute has been seted up at L type kelly middle part, just third straight flute inside sliding connection has the pin pole, the pin pole is fixed in the inside lateral wall of recess, the second draw-in groove is fixed in the sector plate lateral wall of first straight rack top, just second draw-in groove and L type kelly top size phase-match.
Specifically, protection device includes rubber pad, thrust spring and auxiliary device, thrust spring is installed to top cap middle part inner wall, storage room top is kept away from driving motor one side and is fixed with the rubber pad, just auxiliary device is installed to rubber pad one side.
Specifically, auxiliary device includes first draw-in groove, fixture block and lug, the fixture block is installed to top cap top middle part inner wall, first draw-in groove is installed to rubber pad one side, just the fixture block and first draw-in groove size phase-match, the lug is installed to equipment main part top one side.
Specifically, a bidirectional switch is installed on one side of the upper end of the equipment main body, and the bidirectional switch is electrically connected with a driving motor.
Specifically, the first straight groove and the second straight groove are the same in size.
The invention has the beneficial effects that:
(1) According to the gas detector for environment detection, through the use of the gear mechanism and the bidirectional switch, the transmission between gears and the sliding of the fixing pin in the arc-shaped chute are enabled to control the top cover to automatically finish the overturning and sliding actions, the sensor chamber overturns along with the top cover through the cooperation of the pulley and the L-shaped sliding rail, the steering of the driving motor is controlled through controlling the bidirectional switch, so that the top cover can automatically overturn to the original position, and the sensor chamber is pressed to retract to the inside of the top cover.
(2) According to the gas detector for environment detection, the second straight teeth can rotate and drive the straight racks through the self-locking mechanism and the auxiliary device, when the top cover slides outwards and turns out, the connecting rod can be pushed by the straight racks to drive the L-shaped clamping rod to retract downwards, and meanwhile, the clamping blocks in the auxiliary device leave the first clamping grooves; when the top cover contracts, turns over and slides back, the return spring helps the straight rack to reset and engage and reversely pushes the connecting rod to drive the L-shaped clamping rod to extend upwards, so that the top end of the L-shaped clamping rod is clamped into the second clamping groove, meanwhile, a clamping block in the auxiliary device is clamped into the first clamping groove, the top cover is clamped more firmly by matching with the self-locking mechanism, and the sensor chamber and the air inlet hole are protected.
(3) According to the gas detector for environment detection, through the use of the protection device, when the top cover is in a closed state, the sensor chamber is tightly pressed by the spring and the rubber pad, cannot shake under the top cover, can be well degraded even if small collision occurs, and has a double-layer protection effect on the sensor chamber and the air inlet hole by matching with the use of the self-locking mechanism.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram showing the overall structure of a gas detector for detecting environment according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram showing the overall structure of a gas detector for environmental detection according to a preferred embodiment of the present invention;
FIG. 3 is a cross-sectional view of a gas detector for environmental detection provided by the present invention;
FIG. 4 is an enlarged schematic view of FIG. 3 at A;
FIG. 5 is a schematic diagram showing the overall structure of a gas detector for detecting environment according to a preferred embodiment of the present invention;
FIG. 6 is an enlarged schematic view of FIG. 5 at B;
FIG. 7 is a cross-sectional view of a gas detector for environmental detection provided by the present invention;
FIG. 8 is a schematic view of a portion of a gas detector for environmental detection according to a preferred embodiment of the present invention;
fig. 9 is a schematic diagram of a top cover structure of a gas detector for environmental detection according to the present invention.
In the figure: 1. a top cover; 2. an apparatus main body; 3. a two-way switch; 4. an air inlet hole; 5. a sensor chamber; 6. a rubber pad; 7. a first clamping groove; 8. a storage chamber; 9. a partition plate; 10. a fixing plate; 11. an L-shaped sliding rail; 12. a pulley; 13. an arc chute; 14. a first straight groove; 15. a second straight groove; 16. a fixing pin; 17. a square plate; 18. a sector plate; 19. a second clamping groove; 20. a first straight tooth; 21. a second straight tooth; 22. an L-shaped clamping rod; 23. a pin rod; 24. a third straight groove; 25. a connecting rod; 26. a fixed rod; 27. a straight rack; 28. a fourth straight groove; 29. a first gear tooth; 30. a second gear tooth; 31. an exhaust hole; 32. a thrust spring; 33. a clamping block; 34. a driving motor; 35. a return spring; 36. a bump; 37. concave holes; 38. and a connecting shaft.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 9, the gas detector for environment detection of the present invention comprises a top cover 1, a main body 2, a sensor chamber 5, a driving motor 34, a gear mechanism, a self-locking mechanism and a protection device, wherein the top cover 1 is installed at the middle part of the top end of the main body 2 and is mainly used for protecting the sensor chamber 5, a concave hole 37 is formed in the middle of the bottom end of the top cover 1 and can be used for penetrating through a vent hole 31, fan-shaped plates 18 are respectively installed at two sides of the bottom end of the top cover 1, a square plate 17 is installed at the upper end of each fan-shaped plate 18, the square plate 17 and the fan-shaped plates 18 are matched to fix the top cover 1, a first straight groove 14 is formed above one side of the square plate 17 close to the side wall of the top cover 1, a second straight groove 15 is formed below the first straight groove 14, one end of the first straight groove 14 close to the fan-shaped plates 18 is connected with an arc-shaped chute 13 and can be matched with a fixed pin 16 to rotate the top cover 1, the sensor chamber 5 is installed at the middle part of one side of the top cover 1, a tooth-moving mechanism is arranged on one side of the sensor chamber 5, a storage chamber 8 is arranged below the sensor chamber 5 and can be used for storing drying agents, an air inlet 4 is fixed at the top end of the sensor chamber 5, an air outlet 31 is connected at the bottom end of the sensor chamber 5, a driving motor 34 is fixed in a groove arranged below the air outlet 31, a self-locking mechanism is connected on one side of an output shaft of the driving motor 34, a baffle plate 9 is welded on one side of the driving motor 34 close to the storage chamber 8 and separates the driving motor 34 from the storage chamber 8, a fixed plate 10 is respectively arranged above two sides of the baffle plate 9 and is used for connecting a top cover 1, the fixed plate 10 is welded at the top end of a main body 2 of the device, two fixed pins 16 are respectively inserted at the bottom end of an arc chute 13 and a second straight chute 15 at intervals and can limit the top cover 1 and assist the top cover 1 to rotate, a connecting shaft 38 is rotatably connected between the adjacent fixing pins 16 close to the two-way switch 3, the connecting shaft 38 is connected to the upper part of one end of the sensor chamber 5 close to the exhaust hole 31 in a penetrating way and used for fixing the sensor chamber 5, and protection devices are arranged on two sides of the sensor chamber 5;
the gear mechanism comprises an L-shaped sliding rail 11, a pulley 12, a first straight tooth 20, a second straight tooth 21, a first gear tooth 29 and a second gear tooth 30, wherein the pulley 12 is fixed at the middle part of one side of a square plate 17 close to the output shaft of the driving motor 34 through a pin shaft, the L-shaped sliding rail 11 is fixed at the middle part of one side of a sensor chamber 5 close to the pulley 12, the pulley 12 is in sliding connection with the L-shaped sliding rail 11 and can drive the sensor chamber 5 to rotate along a connecting shaft 38, the second straight tooth 21 is fixed at one end of the output shaft of the driving motor 34 and outputs power, the second straight tooth 21 is meshed with the first straight tooth 20 to transmit power, the first straight tooth 20 is in shaft connection with the inner wall of one side of the equipment body 2, the first gear tooth 29 is installed on the outer wall of a curved surface of a sector plate 18 close to the output shaft of the driving motor 34, the first gear tooth 29 is meshed above the first straight tooth 20, the top cover 1 can be controlled to rotate, the second gear tooth 30 is connected to the upper end of the first gear tooth 29 is fixed at the outer wall of one side of the square plate 17 close to the output shaft of the driving motor 34, and the top cover 1 can be controlled to slide.
Specifically, the self-locking mechanism includes second draw-in groove 19, L type draw-in bar 22, connecting rod 25, dead lever 26, straight rack 27, fourth straight slot 28 and return spring 35, straight rack 27 meshes in second straight rack 21 below, fourth straight slot 28 has been seted up to second straight rack 21 below recess bottom, straight rack 27 bottom sliding connection is in fourth straight slot 28, can inject the position of straight rack 27, the fourth straight rack 28 both ends all are fixed with return spring 35 and are used for promoting straight rack 27 to resume with the meshing relationship of second straight rack 21, straight rack 27 keeps away from storage chamber 8 one end and is connected with dead lever 26, dead lever 26 one end articulates there is connecting rod 25 to be used for transmitting power, connecting rod 25 one end articulates has L type draw-in bar 22, third straight slot 24 has been seted up at L type draw-in bar 22 middle part, and third straight slot 24 inside sliding connection has round pin rod 23, round pin rod 23 is fixed in recess inside lateral wall, can control L type draw-in bar 22 and slide from top to bottom, second draw-in groove 19 is fixed in first straight rack 20 top 18 lateral wall, and the top cap size of second draw-in bar 19 can realize the top cap 1.
Specifically, protection device includes rubber pad 6, thrust spring 32 and auxiliary device, and thrust spring 32 is installed to top cap 1 middle part inner wall, can compress tightly sensor room 5, and storage room 8 top is kept away from driving motor 34 one side and is fixed with rubber pad 6, can play fixed sensor room 5 and cushioning's effect, and auxiliary device is installed to rubber pad 6 one side.
Specifically, auxiliary device includes first draw-in groove 7, fixture block 33 and lug 36, and fixture block 33 is installed to top cap 1 top middle part inner wall, and first draw-in groove 7 is installed to rubber pad 6 one side, and fixture block 33 and first draw-in groove 7 size assorted, can cooperate self-locking mechanism inseparable card top cap 1 to protection sensor room 5, the lug 36 is installed to equipment main part 2 top one side, is used for blocking shrinkage pool 37 and prevents that the dust from getting into in the top cap 1.
Specifically, the bidirectional switch 3 is installed on one side of the upper end of the device main body 2, and the bidirectional switch 3 is electrically connected with the driving motor 34, so that the turning direction of the output shaft of the driving motor 34 can be changed by pushing the bidirectional switch 3 upwards or downwards, and the turning and sliding of the top cover 1 can be controlled more conveniently.
Specifically, the first straight groove 14 and the second straight groove 15 have the same size, and the top cover 1 can smoothly complete the rotation operation.
When the gas detector is used, the bidirectional switch 3 is pushed upwards, the output shaft of the driving motor 34 rotates positively at the moment, the second straight tooth 21 is driven, the second straight tooth 21 transmits power to the first straight tooth 20 and the straight tooth bar 27, the first straight tooth 20 and the second straight tooth 30 are meshed at the moment, the square plate 17 is driven to slide outwards, the fixed pin 16 slides along the first straight groove 14 and the second straight groove 15 respectively, the top cover 1 slides outwards at the moment, the second clamping groove 19 also slides outwards, the top of the L-shaped clamping rod 22 is not clamped any more, the straight tooth bar 27 slides towards the partition plate 9 in the fourth straight groove 28 under the driving of the second straight tooth 21, the restoring spring 35 is compressed, and the connecting rod 25 is driven by the fixed rod 26, so that the L-shaped clamping rod 22 slides downwards under the fixation of the pin rod 23 and the third straight groove 24 until the pin rod 23 is clamped at the top end of the third straight groove 24; simultaneously, the pulley 12 slides along the L-shaped sliding rail 11, when the pulley 12 slides to contact with the corner of the L-shaped sliding rail 11, the sliding is stopped, the sensor chamber 5 is driven to rotate along the connecting shaft 38, when the fixing pin 16 slides to the bottom end of the first straight groove 14, the first straight tooth 20 is meshed with the first gear tooth 29, the clamping block 33 completely leaves the first clamping groove 7, the arc-shaped sliding groove 13 formed in the sector plate 18 starts to slide along the fixing pin 16 close to the pulley 12, the sector plate 18 is driven to rotate, the top cover 1 is driven to rotate, when the top cover 1 rotates to the vertical direction, the bidirectional switch 3 is released, at the moment, the straight rack 27 is meshed with the second straight tooth 21 again under the action of the restoring spring 35, the sensor chamber 5 is pushed outwards by the thrust spring 32, the sensor chamber 5 is fixed to an inclined angle by the pulley 12 and the L-shaped sliding rail 11, at the moment, the air inlet hole 4 is leaked out of the top cover 1, the air outlet hole 31 extends out of the top cover 1 through the concave hole 37, and air flows through the sensor chamber 5 conveniently to complete detection.
When the detection is completed, the sensor chamber 5 and the top cover 1 need to be reset, the bidirectional switch 3 is pushed downwards at the moment, the output shaft of the driving motor 34 is reversed at the moment to drive the second straight teeth 21, the second straight teeth 21 transmit power to the first straight teeth 20 and the straight teeth bars 27, the straight teeth bars 27 slide in the direction away from the partition plate 9, and the fixing rod 26 drives the connecting rod 25, so that the L-shaped clamping rod 22 slides upwards under the fixation of the pin rod 23 and the third straight groove 24 until the pin rod 23 is clamped at the bottom end of the third straight groove 24, and at the moment, the top end of the L-shaped clamping rod 22 extends out of the groove; simultaneously first straight tooth 20 meshing first teeth of a cogwheel 29, through the cooperation slip of arc spout 13 and fixed pin 16, make sector plate 18 drive top cap 1 begin the counter-rotation, and thrust spring 32 promotes sensor room 5 rotation, when sensor room 5 is pressed to rubber pad 6, top cap 1 continues rotatory compression thrust spring 32, make inlet port 4 and exhaust hole 31 retract in the top cap 1, when top cap 1 rotates to be parallel with equipment main part 2 top, first straight tooth 20 and second teeth of a cogwheel 30 meshing, fixture block 33 and first draw-in groove 7 this moment, L type clamping lever 22 top and second draw-in groove 19, shrinkage pool 37 and lug 36 are in the coplanar, along with driving top cap 1 inwards slide, at this moment fixture block 33 gradually card first draw-in groove 7, L type clamping lever 22 top gradually card is in the second draw-in groove 19, lug 36 gradually card is in shrinkage pool 37, when lug 36 completely card is in shrinkage pool 37, stop promoting bi-directional switch 3, accomplish the reset of detector this moment.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a gaseous detector for environmental detection, includes top cap (1), equipment main part (2), sensor room (5), driving motor (34), tooth moving mechanism, self-locking mechanism and protection device, its characterized in that: the device comprises a device main body (2), a top cover (1) is arranged in the middle of the top end of the device main body (2), concave holes (37) are formed in the middle of the bottom end of the top cover (1), sector plates (18) are respectively arranged on two sides of the bottom end of the top cover (1), square plates (17) are arranged at the upper ends of the sector plates (18), first straight grooves (14) are formed in the upper parts of one sides of the square plates (17) close to the side walls of the top cover (1), second straight grooves (15) are formed in the lower parts of the first straight grooves (14), arc-shaped sliding grooves (13) are formed in one ends of the first straight grooves (14) close to the sector plates (18), a sensor chamber (5) is arranged in the middle of one side of the top cover (1), the sensor chamber (5) is provided with a tooth moving mechanism on one side, a storage chamber (8) is arranged below the sensor chamber (5), an air inlet hole (4) is fixed at the top end of the sensor chamber (5), an air exhaust hole (31) is connected at the bottom end of the sensor chamber (5), a driving motor (34) is fixed in a groove arranged below the air exhaust hole (31), a self-locking mechanism is connected on one side of an output shaft of the driving motor (34), a baffle plate (9) is welded on one side of the driving motor (34) close to the storage chamber (8), a fixing plate (10) is respectively arranged above two sides of the baffle plate (9), the fixing plates (10) are welded at the top end of the equipment main body (2), two fixing pins (16) are fixed at intervals at the top of each fixing plate (10), the two fixing pins (16) are respectively inserted into the bottom ends of the arc-shaped sliding groove (13) and the second straight groove (15), a connecting shaft (38) is rotationally connected between the adjacent fixing pins (16) close to the two-way switch (3), the connecting shaft (38) is connected to the upper part of one end, close to the exhaust hole (31), of the sensor chamber (5) in a penetrating way, and protection devices are arranged on two sides of the sensor chamber (5);
the gear mechanism comprises an L-shaped sliding rail (11), a pulley (12), a first straight tooth (20), a second straight tooth (21), a first gear tooth (29) and a second gear tooth (30), wherein the pulley (12) is fixed at the middle part of one side of a square plate (17) close to an output shaft of a driving motor (34) through a pin shaft, the L-shaped sliding rail (11) is fixed at the middle part of one side of a sensor chamber (5) close to the pulley (12), the pulley (12) and the L-shaped sliding rail (11) are in sliding connection, the second straight tooth (21) is fixed at one end of the output shaft of the driving motor (34), the second straight tooth (21) is meshed with the first straight tooth (20), the first straight tooth (20) is connected with the inner wall of one side of the equipment main body (2) in a shaft mode, the first gear tooth (29) is mounted on the outer curved surface of a sector plate (18) close to the output shaft of the driving motor (34), the first gear tooth (29) is meshed with the upper end of the first straight tooth (29) and the second gear tooth (30) is connected with the second gear tooth (30) at one side of the outer wall of the sector plate (17) close to the driving motor.
2. A gas detector for environmental detection according to claim 1, wherein: the self-locking mechanism comprises a second clamping groove (19), an L-shaped clamping rod (22), a connecting rod (25), a fixing rod (26), a straight toothed bar (27), a fourth straight toothed bar (28) and a return spring (35), wherein the straight toothed bar (27) is meshed below the second straight toothed bar (21), the fourth straight toothed bar (28) is arranged at the bottom of a groove below the second straight toothed bar (21), the bottom of the straight toothed bar (27) is slidably connected in the fourth straight toothed bar (28), the return spring (35) is fixed at two ends of the fourth straight toothed bar (28), one end of the straight toothed bar (27) far away from the storage chamber (8) is connected with the fixing rod (26), one end of the fixing rod (26) is hinged with the connecting rod (25), one end of the connecting rod (25) is hinged with the L-shaped clamping rod (22), a third straight toothed bar (24) is arranged in the middle of the L-shaped clamping rod (22), a pin rod (23) is slidably connected inside the groove, the pin rod (23) is fixed on the inner side wall of the groove, and the second straight toothed bar (19) is fixed on the top of the second straight toothed bar (18).
3. A gas detector for environmental detection according to claim 2, wherein: the protection device comprises a rubber pad (6), a thrust spring (32) and an auxiliary device, wherein the thrust spring (32) is installed on the middle inner wall of the top cover (1), the rubber pad (6) is fixed on one side, away from the driving motor (34), of the upper portion of the storage chamber (8), and the auxiliary device is installed on one side of the rubber pad (6).
4. A gas detector for environmental detection according to claim 3, wherein: the auxiliary device comprises a first clamping groove (7), a clamping block (33) and a protruding block (36), wherein the clamping block (33) is arranged on the middle inner wall of the top end of the top cover (1), the first clamping groove (7) is arranged on one side of the rubber pad (6), the clamping block (33) is matched with the first clamping groove (7) in size, and the protruding block (36) is arranged on one side of the top end of the equipment main body (2).
5. The gas detector for environmental detection of claim 4, wherein: a bidirectional switch (3) is arranged on one side of the upper end of the equipment main body (2), and the bidirectional switch (3) is electrically connected with a driving motor (34).
6. A gas detector for environmental detection according to claim 5, wherein: the first straight groove (14) and the second straight groove (15) are the same in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110772867.9A CN113624916B (en) | 2021-07-08 | 2021-07-08 | Gas detector for environment detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110772867.9A CN113624916B (en) | 2021-07-08 | 2021-07-08 | Gas detector for environment detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113624916A CN113624916A (en) | 2021-11-09 |
| CN113624916B true CN113624916B (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110772867.9A Active CN113624916B (en) | 2021-07-08 | 2021-07-08 | Gas detector for environment detection |
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