CN114062613B - Carbon dioxide concentration meter with outdoor protection function - Google Patents
Carbon dioxide concentration meter with outdoor protection function Download PDFInfo
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- CN114062613B CN114062613B CN202111388115.9A CN202111388115A CN114062613B CN 114062613 B CN114062613 B CN 114062613B CN 202111388115 A CN202111388115 A CN 202111388115A CN 114062613 B CN114062613 B CN 114062613B
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- carbon dioxide
- dioxide concentration
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- transmission shaft
- concentration meter
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 134
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 67
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000009471 action Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 64
- 239000011324 bead Substances 0.000 claims description 39
- 230000000670 limiting effect Effects 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 19
- 238000005192 partition Methods 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 9
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006012 detection of carbon dioxide Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 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
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO or CO2
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention relates to the technical field of carbon dioxide concentration measurement and discloses a carbon dioxide concentration meter with an outdoor protection function. The opening at the top of the box body is provided with a box cover. When the case cover is opened, the action mechanism is used for guiding the carbon dioxide concentration meter main body to extend upwards to the outside of the opening. Through set up box and case lid in the outside of carbon dioxide concentration meter main part, can effectively protect the carbon dioxide concentration meter when carrying in the open air, avoid colliding with the damage to cooperation actuating mechanism's use, only need control the carousel, can realize the switching of case lid, the lift of support plate and the stretching of handle in putting the groove of receiving in step, the person of facilitating the use is in outdoor use safe and reliable.
Description
Technical Field
The invention relates to the technical field of carbon dioxide concentration measurement, in particular to a carbon dioxide concentration meter with an outdoor protection function.
Background
The carbon dioxide concentration meter is called a carbon dioxide measuring instrument and a carbon dioxide detector, can effectively measure indoor air quality, not only displays the concentration level of carbon dioxide, but also compares an actual measurement value with a preset threshold value, and triggers a relay when the actual measurement value exceeds the preset threshold value, so that power peripherals such as a ventilating fan or a ventilating system are controlled to start working. The carbon dioxide concentration meter is widely applied to various industries such as food, medicines, automobiles, industrial safety, metallurgy, petrochemical industry and the like.
Carbon dioxide concentration meters are often carried outdoors by monitoring personnel for participation in the detection of carbon dioxide concentration in an outdoor environment. However, when the carbon dioxide concentration meter in the prior art is carried outdoors, the carbon dioxide concentration meter is lack of effective protection, so that the carbon dioxide concentration meter is easy to collide and damage, and the accuracy of a detection result and the whole process of detection work are influenced.
Disclosure of Invention
The invention provides a carbon dioxide concentration meter with an outdoor protection function, which aims to solve the technical problem that the carbon dioxide concentration meter in the prior art is easy to collide and damage due to lack of effective protection when being carried outdoors.
The invention is realized by adopting the following technical scheme: the utility model provides a carbon dioxide concentration meter that possesses outdoor safeguard function, includes carbon dioxide concentration meter main part and covers the box of establishing in the carbon dioxide concentration meter main part outside, keep apart in proper order from bottom to top through a baffle in the box and form cavity one and be used for holding the cavity two of carbon dioxide concentration meter main part, acceptd actuating mechanism in the cavity one; a box cover is arranged at the opening at the top of the box body;
when the box cover is opened, the action mechanism is used for guiding the carbon dioxide concentration meter main body to extend upwards out of the opening; when the case cover is closed, the action mechanism is used for guiding the carbon dioxide concentration meter main body to retract downwards into the second cavity.
As a further improvement of the above-mentioned scheme, the actuating mechanism includes a first transmission shaft rotatably inserted in the partition plate and parallel to the moving direction of the carbon dioxide concentration meter main body; one end of the first transmission shaft extends into the first cavity and is fixedly sleeved with a first bevel gear; the other end of the first transmission shaft extends into the second cavity, a screw is inserted into the first cavity in a threaded manner, a carrier plate for carrying the carbon dioxide concentration meter main body is fixedly connected to one end of the screw, and a first telescopic rod is arranged between one side, away from the screw, of the bottom of the carrier plate and the top of the partition plate;
and the distance between the carrier plate and the partition plate is adjusted by guiding the first transmission shaft to rotate and enabling the first transmission shaft and the screw to be in threaded connection with each other.
As a further improvement of the scheme, one side of the box body is rotatably inserted with a driving shaft, one end of the driving shaft extends into the first cavity and is fixedly provided with a second bevel gear, and the first transmission shaft is sleeved and fixed with a first bevel gear meshed with the second bevel gear.
As a further improvement of the scheme, the other end of the driving shaft is positioned at the outer side of the box body and is fixedly provided with a rotary table, a locking rod is inserted into the eccentric position of the surface of the rotary table, and a locking hole which is in locking fit with the locking rod is formed in the side wall of the box body.
As a further improvement of the scheme, the turntable is provided with a sliding hole for the locking rod to slide, and the locking rod is connected with the locking hole in a clamping fit manner.
As a further improvement of the scheme, a movable groove extending vertically is formed in the side wall of the box body, a shaft body of the driving shaft penetrates through the movable groove, a first reel positioned in the movable groove is sleeved and fixed on the outer side of the driving shaft, a second limiting block, a movable block and a first limiting block are sequentially arranged in the movable groove above the first reel from bottom to top, and a first spring is arranged between the movable block and the second limiting block; the block body of the movable block is sequentially provided with a first peg and a second peg from bottom to top, one side of the box cover is rotationally connected to one side of the box body, which is close to the movable groove, through a rotating shaft, a torsion spring and a second reel are arranged on the rotating shaft, a first pull rope is wound on the first reel, the free end of the first pull rope penetrates through the second limit block and is fixedly bolted on the first peg, a second pull rope is wound on the second reel, and the free end of the second pull rope penetrates through the first limit block and is fixedly bolted on the second peg;
when the first spring is in a non-deformation state, the case cover is in a turnover opening state.
As a further improvement of the scheme, a first synchronizing rod perpendicular to the axis direction of the first synchronizing rod is fixed on the first transmission shaft, a roller is arranged at one end of the first synchronizing rod, a chute parallel to the driving shaft is inserted into one side, away from the driving shaft, of the first cavity in a rotating mode, a sliding block is connected in the chute in a sliding mode, a connecting rod is fixedly inserted into a block of the sliding block in an penetrating mode, one end of the connecting rod extends into the first cavity and is fixedly provided with a pressing block in rolling extrusion fit with the roller, a accommodating groove is formed in the other side of the box, a handle is accommodated in the accommodating groove, and the other end of the connecting rod extends into the accommodating groove and is fixedly connected with the handle.
As a further improvement of the scheme, a spring III is sleeved outside the connecting rod between one side of the sliding block close to the accommodating groove and the corresponding chute wall; when the spring III is not in a deformed state, the handle is accommodated in the accommodating groove.
As a further improvement of the scheme, a first sleeve positioned below the transmission shaft is fixed at the bottom of the cavity wall of the first cavity, and the top end of the first sleeve is rotatably sleeved on the bottom of the first transmission shaft; the outer side of the sleeve I is sleeved and fixed with a third bevel gear, the bottom of the first synchronizing rod is provided with a hanging rod perpendicular to the axial direction of the first synchronizing rod, a second transmission shaft parallel to the first synchronizing rod is inserted into the hanging rod in a rotating mode, one end of the second transmission shaft is provided with a fourth bevel gear meshed with the third bevel gear in a three-phase mode, the other end of the second transmission shaft is provided with a fifth bevel gear, a third transmission shaft parallel to the hanging rod is inserted into the rod body of the first synchronizing rod in a rotating mode, one end of the third transmission shaft is provided with a sixth bevel gear meshed with the fifth bevel gear, the other end of the third transmission shaft is provided with a second synchronizing rod perpendicular to the second synchronizing rod, a clamping groove is formed in the bottom rod wall of one end of the second synchronizing rod, a bead groove is formed in the top of the pressing block, and a bead matched with the clamping groove is elastically connected with the clamping bead;
when the handle extends out of the accommodating groove, the clamping beads correspond to the clamping grooves in position, and the clamping beads are connected with the clamping grooves in a clamping fit manner;
a second spring is arranged between the clamping beads and the bead groove; when the second spring is not deformed, the bead center of the clamping bead is flush with the notch of the bead groove.
As a further improvement of the scheme, one side of the pressing block, which is close to the roller, is provided with an inclined plane which is in rolling extrusion with the roller.
The beneficial effects of the invention are as follows:
according to the carbon dioxide concentration meter with the outdoor protection function, the box body and the box cover are arranged on the outer side of the carbon dioxide concentration meter main body, so that the carbon dioxide concentration meter can be effectively protected when being carried outdoors, collision damage is avoided, the carbon dioxide concentration meter is matched with the operation mechanism, the opening and closing of the box cover, the lifting of the carrier plate and the stretching and retracting of the handle in the accommodating groove can be synchronously realized only by controlling the turntable, and the carbon dioxide concentration meter is convenient for a user to use outdoors, and is safe and reliable.
Drawings
FIG. 1 is a schematic cross-sectional view of a carbon dioxide concentration meter with outdoor protection function according to embodiment 1 of the present invention;
fig. 2 is a schematic top view of the second synchronizing rod, the roller and the pressing block in fig. 1;
FIG. 3 is a schematic cross-sectional view of the carbon dioxide concentration meter with outdoor protection in FIG. 1 in another state; the method comprises the steps of carrying out a first treatment on the surface of the
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;
fig. 5 is an enlarged schematic view of the structure at B in fig. 3.
Main symbol description:
1. a carbon dioxide concentration meter body; 2. a case; 3. a case cover; 4. a partition plate; 5. a carrier plate; 6. a transmission shaft I; 7. a sleeve I; 8. a first bevel gear; 9. a second bevel gear; 10. a driving shaft; 11. a turntable; 12. a locking lever; 13. a screw; 14. a first telescopic rod; 15. a movable groove; 16. a first reel; 17. a second reel; 18. a first limiting block; 19. a second limiting block; 20. a movable block; 21. a first peg; 22. a second peg; 23. a first spring; 24. bevel teeth III; 25. a first synchronizing rod; 26. a boom; 27. a transmission shaft II; 28. a bevel gear IV; 29. a fifth bevel gear; 30. a transmission shaft III; 31. conical teeth six; 32. a second synchronizing rod; 33. a clamping groove; 34. a bead groove; 35. a second spring; 36. clamping beads; 37. a roller; 38. pressing blocks; 39. a handle; 40. a receiving groove; 41. a chute; 42. a slide block; 43. a connecting rod; 44. and a third spring.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
Please combine fig. 1-5, a carbon dioxide concentration meter with outdoor protection function, which comprises a carbon dioxide concentration meter main body 1 and a box body 2 covered outside the carbon dioxide concentration meter main body 1, wherein a first cavity (not labeled) and a second cavity (not labeled) for accommodating the carbon dioxide concentration meter main body 1 are sequentially formed in the box body 2 from bottom to top by a partition board 4, and an action mechanism is accommodated in the first cavity. A box cover 3 is arranged at the opening of the top of the box body 2. In this embodiment, the case body 2 and the case cover 3 are both rectangular in overall structure.
When the case cover 3 is opened, the action mechanism is used for guiding the carbon dioxide concentration meter main body 1 to protrude upwards out of the opening so as to detect the carbon dioxide concentration in the outdoor environment. When the case cover 3 is closed, the action mechanism is used for guiding the carbon dioxide concentration meter main body 1 to retract downwards into the second cavity so as to effectively protect the carbon dioxide concentration meter main body 1.
The actuating mechanism comprises a first transmission shaft 6 which is rotatably inserted on the partition board 4 and is parallel to the moving direction of the carbon dioxide concentration meter main body 1. One end of the transmission shaft I6 extends into the cavity I and is fixedly sleeved with the bevel gear I8. The other end of the first transmission shaft 6 extends into the second cavity, a screw 13 is inserted in the second cavity in a threaded manner, a carrier plate 5 for carrying the carbon dioxide concentration meter main body 1 is fixedly connected to one end of the screw 13, and a first telescopic rod 14 is arranged between one side, away from the screw 13, of the bottom of the carrier plate 5 and the top of the partition plate 4. The first telescopic rod 14 can limit the carrier plate 5 and the screw 13 to synchronously rotate along with the first transmission shaft 6 under the drive of the first transmission shaft 6, so that the moving direction of the carrier plate 5 is kept in the vertical direction.
Wherein, the first transmission shaft 6 is guided to rotate, so that the first transmission shaft and the screw 13 are mutually threaded, and the distance between the carrier plate 5 and the partition plate 4 is adjusted.
In this embodiment, can offer the concave groove that is used for fixed carbon dioxide concentration meter main part 1 at the inboard of case lid 3 and the top of carrier plate 5, two concave grooves respectively with the shell top and the bottom looks adaptation of carbon dioxide concentration meter, when case lid 3 is closed, carbon dioxide concentration meter main part 1 just is fixed between two concave grooves by the chucking to avoid carbon dioxide concentration meter main part 1 to take place to collide with the damage when the rocking of box 1 is carried.
One side of the box body 2 is rotatably inserted with a driving shaft 10, one end of the driving shaft 10 extends into the first cavity, a second bevel gear 9 is fixed on the driving shaft, and a first bevel gear 8 meshed with the second bevel gear 9 is sleeved and fixed on the first transmission shaft 6. The transmission of the first bevel gear 8 and the first transmission shaft 6 can be realized through the second bevel gear 9 on the driving shaft 10.
The other end of the driving shaft 10 is positioned outside the box body 2 and is fixedly provided with a rotary disc 11, a locking rod 12 is inserted at the eccentric position of the disc surface of the rotary disc 11, and a locking hole (not shown) which is in locking fit with the locking rod 12 is formed in the side wall of the box body 2.
The turntable 11 is provided with a sliding hole for sliding the locking rod 12, and the locking rod 12 is connected with the locking hole in a clamping fit manner, so that the rotating position of the turntable 11 can be effectively fixed.
The side wall of the box body 2 is provided with a movable groove 15 extending vertically, the shaft body of the driving shaft 10 penetrates through the movable groove 15, a first winding wheel 16 positioned in the movable groove 15 is sleeved and fixed on the outer side of the driving shaft 10, a second limiting block 19, a movable block 20 and a first limiting block 18 are sequentially arranged in the movable groove 15 positioned above the first winding wheel 16 from bottom to top, in the embodiment, the second limiting block 19 and the first limiting block 18 are fixed in the groove wall of the movable groove 15, the movable block 20 can relatively slide in the movable groove 15, and the movable range of the movable block 20 is limited between the first limiting block 18 and the second limiting block 19.
A first spring 23 is arranged between the movable block 20 and the second limiting block 19. The block of the movable block 20 is provided with a first peg 21 and a second peg 22 from bottom to top in sequence, one side of the box cover 3 is rotatably connected to one side of the box body 2, which is close to the movable groove 15, through a rotating shaft (not labeled), and the box cover 3 can be turned around the rotating shaft to be opened or closed relative to the top opening of the box body 2.
The rotating shaft is provided with a torsion spring (not shown) and a reel II 17, the whole body of the torsion spring is sleeved outside the rotating shaft in the embodiment, one end of the torsion spring is fixed on the rotating shaft, and the other end of the torsion spring is fixed on the corresponding inner wall of the box body 2. When the torsion spring is not deformed, the cover 3 is in an open state on the case 2.
The first reel 16 is wound with a first stay cord (not shown), the free end of the first stay cord penetrates through the second limiting block 19 and is fixedly bolted to the first bolt 21, the second reel 17 is wound with a second stay cord (not shown), and the free end of the second stay cord penetrates through the first limiting block 18 and is fixedly bolted to the second bolt 22. In this embodiment, rope holes (not labeled) through which the corresponding pull ropes pass are formed in the first limiting block 18 and the second limiting block 19.
When the first spring 23 is in a non-deformed state, the case cover 3 is in a turned-over state, and the torsion spring on the rotation shaft of the case cover 3 is also in a non-deformed state.
The transmission shaft I6 is fixedly provided with a synchronizing rod I25 perpendicular to the axis direction of the transmission shaft I, one end of the synchronizing rod I25 is provided with a roller 37, one side, far away from the transmission shaft 10, of the cavity I is rotatably inserted with a sliding groove 41 parallel to the transmission shaft 10, a sliding block 42 is slidably connected in the sliding groove 41, a connecting rod 43 is fixedly inserted on a block body of the sliding block 42, one end of the connecting rod 43 stretches into the cavity I and is fixedly provided with a pressing block 38 matched with the roller 37 in a rolling extrusion mode, the other side of the box 2 is provided with a containing groove 40, a handle 39 is contained in the containing groove 40, and the other end of the connecting rod 43 stretches into the containing groove 40 and is fixedly connected with the handle 39. In this embodiment, the slot wall of the accommodating slot 40 is communicated with the slot opening at one end of the sliding slot 41, so that the connecting rod 43 can extend into the accommodating slot 40.
The outer side of the connecting rod 43 between the side of the sliding block 42 close to the accommodating groove 40 and the groove wall of the corresponding sliding groove 41 is sleeved with a spring III 44. When the third spring 44 is not in the deformed state, the handle 39 is accommodated in the accommodating groove 40.
The bottom of the cavity wall of the first cavity is fixedly provided with a first sleeve 7 positioned below the first transmission shaft 6, and the top end of the first sleeve 7 is rotatably sleeved on the bottom of the first transmission shaft 6. The outer side of the sleeve I7 is fixedly sleeved with a third bevel gear 24, the bottom of the first synchronizing rod 25 is provided with a second lifting rod 26 perpendicular to the axial direction of the first synchronizing rod, a second transmission shaft 27 parallel to the first synchronizing rod 25 is rotatably inserted into the first lifting rod 26, one end of the second transmission shaft 27 is provided with a fourth bevel gear 28 meshed with the third bevel gear 24, the other end of the second transmission shaft 27 is provided with a fifth bevel gear 29, a third transmission shaft 30 parallel to the first lifting rod 26 is rotatably inserted into the rod body of the first synchronizing rod 25, one end of the third transmission shaft 30 is provided with a sixth bevel gear 31 meshed with the fifth bevel gear 29, the other end of the third transmission shaft 30 is provided with a second synchronizing rod 32 perpendicular to the second synchronizing rod, a clamping groove 33 is formed in the bottom rod wall of one end of the second synchronizing rod 32, a bead groove 34 is formed in the top of the pressing block 38, and a clamping bead 36 matched with the clamping groove 33 is elastically connected in the bead groove 34.
When the handle 39 extends from the accommodating groove 40, the positions of the clamping beads 36 and the clamping grooves 33 correspond to each other, and the clamping beads 36 and the clamping grooves 33 are in clamping fit connection, so that the second synchronizing rod 32 and the pressing block 38 are mutually fixed. A second spring 35 is arranged between the clamping bead 36 and the bead groove 34. When the second spring 35 is not deformed, the bead center of the clamping bead 36 is flush with the notch of the bead groove 34.
The pressing block 38 has a slope (not shown) on a side close to the roller 37 for rolling and pressing with the roller 37.
The working principle of this embodiment is that before the carbon dioxide concentration meter main body 1 is used, the carbon dioxide concentration meter main body is put on the carrier plate 5 in the box body 2 in advance, the locking rod 12 is pulled out from the lock hole, the driving shaft 10 is driven by the turntable 11, the driving shaft 10 not only drives the first reel 16 to take up, but also drives the second reel 17 to pay off (the first spring 23 is compressed during the period) through the first pull rope, the movable block 20 and the second pull rope, so as to drive the box cover 3 to be closed (the torsion spring is compressed during the period).
The driving shaft 10 also drives the first transmission shaft 6 to rotate through the second bevel gear 9 and the first bevel gear 8, so that the first transmission shaft 6 and the screw 13 interact with each other in a threaded mode, and the carrier plate 5 moves downwards under the limiting effect of the first telescopic rod 14, so that the carbon dioxide concentration meter main body 1 is retracted into the box body 2. Moreover, the first transmission shaft 6 drives the first synchronizing rod 25 to rotate, the roller 37 on the end part of the first synchronizing rod 25 rolls and extrudes the inclined surface of the pressing block 38, the pressing block 38 drives the handle 39 to extend out of the accommodating groove 40 through the connecting rod 43 (the connecting rod 43 drives the sliding block 42 to extrude the third spring 44 in the sliding groove 41 during the period), so that a user can carry the carbon dioxide concentration meter main body 1 accommodated in the box body 2 outdoors, meanwhile, the rotation of the first synchronizing rod 25 also enables the fourth bevel 28 to rotate under the limiting action of the third bevel 24, the second transmission shaft 27 is used for transmitting the fifth bevel 29, the sixth bevel 31 and the third transmission shaft 30, the second synchronizing rod 32 rotates circumferentially, the clamping groove 33 on the second synchronizing rod 32 moves to the position right above the clamping bead 36 of the pressing block 38, and when the clamping bead 36 is just contacted with the bottom of the rod wall of the second synchronizing rod 32, the second spring 35 compresses the clamping bead 36 to temporarily enter the bead groove 34, and when the clamping bead 36 moves to the clamping groove 33, the second spring 35 pushes the second spring 35 to release the clamping bead 36 to the clamping bead 33 to the corresponding groove 32, and finally the clamping bead 36 is locked to the second clamping groove 32 and the corresponding locking groove 32 is inserted into the corresponding groove 32, and finally the locking groove 32 can be locked.
When the carbon dioxide concentration meter main body 1 is required to be used outdoors, the locking rod 12 is pulled out of the lock hole, the driving shaft 10 is driven to reversely rotate through the rotary disc 11, the driving shaft 10 gradually disappears through the pulling force of the first reel 16 on the first stay cord, the elastic force of the first spring 23 and the torsion spring is released, the movable block 20 is driven to return to the initial position, and the box cover 3 is opened.
The driving shaft 10 drives the first transmission shaft 6 to reversely rotate through the second bevel gear 9 and the first bevel gear 8, so that the first transmission shaft 6 and the screw 13 are in mutual threaded action, and the carrier plate 5 moves upwards under the limiting action of the first telescopic rod 14, so that the carbon dioxide concentration meter main body 1 extends out of the top opening of the box body 2, and the carbon dioxide concentration in the outdoor environment is detected.
Moreover, the first transmission shaft 6 drives the first synchronizing rod 25 to reversely rotate, so that the roller 37 on the end part of the first synchronizing rod 25 reversely rotates, the extrusion force on the inclined surface of the pressing block 38 is gradually reduced, the elastic force of the third spring 44 releases and pushes the sliding block 42 and the connecting rod 43 to return to the initial position in the sliding groove 41, and the connecting rod 43 pushes the pressing block 38 to return to the initial position, so that the handle 39 is stored in the accommodating groove 40 again. Meanwhile, the reverse rotation of the first synchronizing rod 25 also enables the fourth bevel gear 28 to reversely rotate under the limit action of the third bevel gear 24, and is transmitted to the fifth bevel gear 29, the sixth bevel gear 31 and the third bevel gear 30 through the second transmission shaft 27, so that the second synchronizing rod 32 reversely and circumferentially rotates, the clamping groove 33 on the second synchronizing rod 32 is gradually separated from the position right above the clamping bead 36, the clamping bead 36 is forced to be separated from the clamping groove 33, the locking state between the second synchronizing rod 32 and the pressing block 38 is released, and finally the locking rod 12 is inserted into a corresponding lock hole on the box body 2.
Example 2
The difference between the present embodiment and embodiment 1 is that the turntable 11 is provided with a rotation hole (not shown) for the locking rod 12 to rotate circumferentially and slide axially, and the locking rod 12 is connected with the locking hole in a threaded fit manner, so as to facilitate effective fixing of the rotation position of the turntable 11.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (3)
1. The carbon dioxide concentration meter with the outdoor protection function is characterized by comprising a carbon dioxide concentration meter main body and a box body which is covered on the outer side of the carbon dioxide concentration meter main body, wherein a first cavity and a second cavity for accommodating the carbon dioxide concentration meter main body are sequentially formed in the box body from bottom to top by a partition board, and an action mechanism is accommodated in the first cavity; a box cover is arranged at the opening at the top of the box body;
when the box cover is opened, the action mechanism is used for guiding the carbon dioxide concentration meter main body to extend upwards out of the opening; when the case cover is closed, the action mechanism is used for guiding the carbon dioxide concentration meter main body to retract downwards into the second cavity;
the action mechanism comprises a first transmission shaft which is rotatably inserted on the partition board and is parallel to the moving direction of the carbon dioxide concentration meter main body; one end of the first transmission shaft extends into the first cavity and is fixedly sleeved with a first bevel gear; the other end of the first transmission shaft extends into the second cavity, a screw is inserted into the first cavity in a threaded manner, a carrier plate for carrying the carbon dioxide concentration meter main body is fixedly connected to one end of the screw, and a first telescopic rod is arranged between one side, away from the screw, of the bottom of the carrier plate and the top of the partition plate;
the first transmission shaft is guided to rotate, so that the first transmission shaft and the screw are in threaded connection with each other, and the distance between the carrier plate and the partition plate is adjusted;
a driving shaft is inserted into one side of the box body in a rotating way, one end of the driving shaft extends into the first cavity, a second bevel gear is fixed on the driving shaft, and a first bevel gear meshed with the second bevel gear is sleeved and fixed on the first transmission shaft;
the other end of the driving shaft is positioned at the outer side of the box body and is fixedly provided with a rotary table, a locking rod is inserted into the eccentric position of the surface of the rotary table, and a locking hole which is in locking fit with the locking rod is formed in the side wall of the box body;
the rotary table is provided with a sliding hole for the locking rod to slide, and the locking rod is connected with the locking hole in a clamping fit manner;
a movable groove extending vertically is formed in the side wall of the box body, a shaft body of the driving shaft penetrates through the movable groove, a first reel positioned in the movable groove is sleeved and fixed on the outer side of the driving shaft, a second limiting block, a movable block and a first limiting block are sequentially arranged in the movable groove above the first reel from bottom to top, and a first spring is arranged between the movable block and the second limiting block; the block body of the movable block is sequentially provided with a first peg and a second peg from bottom to top, one side of the box cover is rotationally connected to one side of the box body, which is close to the movable groove, through a rotating shaft, a torsion spring and a second reel are arranged on the rotating shaft, a first pull rope is wound on the first reel, the free end of the first pull rope penetrates through the second limit block and is fixedly bolted on the first peg, a second pull rope is wound on the second reel, and the free end of the second pull rope penetrates through the first limit block and is fixedly bolted on the second peg;
when the first spring is in a non-deformation state, the box cover is in a turnover opening state;
a first synchronizing rod perpendicular to the axial direction of the first synchronizing rod is fixed on the first transmission shaft, a roller is arranged at one end of the first synchronizing rod, a chute parallel to the driving shaft is inserted into one side, away from the driving shaft, of the first cavity in a rotating way, a sliding block is connected in the chute in a sliding way, a connecting rod is fixedly inserted into a block body of the sliding block in a penetrating way, one end of the connecting rod extends into the first cavity and is fixedly provided with a pressing block matched with the roller in a rolling and extruding way, a accommodating groove is formed in the other side of the box, a handle is accommodated in the accommodating groove, and the other end of the connecting rod extends into the accommodating groove and is fixedly connected with the handle;
a sleeve I positioned below the transmission shaft is fixed at the bottom of the cavity wall of the cavity I, and the top end of the sleeve I is rotationally sleeved on the bottom of the transmission shaft I; the outer side of the sleeve I is sleeved and fixed with a third bevel gear, the bottom of the first synchronizing rod is provided with a hanging rod perpendicular to the axial direction of the first synchronizing rod, a second transmission shaft parallel to the first synchronizing rod is inserted into the hanging rod in a rotating mode, one end of the second transmission shaft is provided with a fourth bevel gear meshed with the third bevel gear in a three-phase mode, the other end of the second transmission shaft is provided with a fifth bevel gear, a third transmission shaft parallel to the hanging rod is inserted into the rod body of the first synchronizing rod in a rotating mode, one end of the third transmission shaft is provided with a sixth bevel gear meshed with the fifth bevel gear, the other end of the third transmission shaft is provided with a second synchronizing rod perpendicular to the second synchronizing rod, a clamping groove is formed in the bottom rod wall of one end of the second synchronizing rod, a bead groove is formed in the top of the pressing block, and a bead matched with the clamping groove is elastically connected with the clamping bead;
when the handle extends out of the accommodating groove, the clamping beads correspond to the clamping grooves in position, and the clamping beads are connected with the clamping grooves in a clamping fit manner;
a second spring is arranged between the clamping beads and the bead groove; when the second spring is not deformed, the bead center of the clamping bead is flush with the notch of the bead groove.
2. The carbon dioxide concentration meter with an outdoor protection function according to claim 1, wherein a spring III is sleeved outside the connecting rod between one side of the sliding block close to the accommodating groove and the corresponding groove wall of the sliding groove; when the spring III is not in a deformed state, the handle is accommodated in the accommodating groove.
3. The carbon dioxide concentration meter with an outdoor protection function according to claim 1, wherein one side of the pressing block, which is close to the roller, is provided with an inclined surface which is in rolling extrusion with the roller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111388115.9A CN114062613B (en) | 2021-11-22 | 2021-11-22 | Carbon dioxide concentration meter with outdoor protection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111388115.9A CN114062613B (en) | 2021-11-22 | 2021-11-22 | Carbon dioxide concentration meter with outdoor protection function |
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| CN114062613B true CN114062613B (en) | 2023-11-28 |
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| CN114062613A (en) | 2022-02-18 |
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