CN114487308A - Nitrogen sensor module with block and prevent leaking mechanism - Google Patents
Nitrogen sensor module with block and prevent leaking mechanism Download PDFInfo
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- CN114487308A CN114487308A CN202210216453.2A CN202210216453A CN114487308A CN 114487308 A CN114487308 A CN 114487308A CN 202210216453 A CN202210216453 A CN 202210216453A CN 114487308 A CN114487308 A CN 114487308A
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- nitrogen
- granary
- movable frame
- sensor module
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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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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/16—Preserving with chemicals
- A23B9/18—Preserving with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23B9/20—Preserving with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
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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
- G01N33/0073—Control unit therefor
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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
- G08B21/18—Status alarms
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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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/51—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products
Abstract
The invention relates to the technical field of nitrogen sensors, in particular to a nitrogen sensor module with a blocking and leakage-preventing mechanism, which comprises a nitrogen sensor, a nitrogen conveying pipe and a driving motor, wherein the lower half part of the nitrogen sensor is fixedly sleeved with a mounting seat, the mounting seat is fixedly arranged on the upper end surface of a granary, a probe at the bottom of the nitrogen sensor penetrates through the mounting seat and extends into the granary, an alarm is fixedly arranged at the upper end of the nitrogen sensor and is electrically connected with the driving motor, one end of the nitrogen conveying pipe is externally connected with a nitrogen filling machine, the other end of the nitrogen conveying pipe extends into the granary and is fixedly connected with a telescopic corrugated pipe, the lower end of the telescopic corrugated pipe is fixedly connected with a bottom support, and the bottom support is driven by a speed doubling mechanism and moves linearly up and down in the granary. The invention can reduce the reaction time of the device.
Description
Technical Field
The invention relates to the technical field of nitrogen sensors, in particular to a nitrogen sensor module with a blocking and leakage-preventing mechanism.
Background
Food is a basic substance necessary for human life, and the storage and preservation of food are big matters related to the life of people. The concentration of nitrogen in the granary is monitored in real time through a nitrogen sensor so as to ensure the content of nitrogen and ensure low oxygen or no oxygen in the storage environment. Once the nitrogen concentration is lower than the limit value, an alarm can be given through the control system, and then the aeration (nitrogen gas) operation is started manually until the measured value of the nitrogen gas sensor is larger than the limit value.
But the testing result at nitrogen sensor reports to the police through system's system, then aerifys or closes the whole in-process of gas by manual start again, artificial reaction time is an important factor that is not negligible, and reaction time can influence nitrogen content's height and low, and nitrogen content not only too high or too low all be unfavorable for the storage to grain, therefore we need one kind can contract reaction time to the shortest nitrogen sensor module, satisfies the actual production demand better.
Disclosure of Invention
The present invention is directed to a nitrogen sensor module with a blocking and leakage-preventing mechanism, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a nitrogen sensor module with block and prevent leaking mechanism, includes nitrogen sensor, nitrogen conveying pipe and driving motor, the equal fixed mounting of nitrogen sensor, nitrogen conveying pipe and driving motor is on the granary, the fixed cover of lower half of nitrogen sensor has connect the mount pad, mount pad fixed mounting is in the up end of granary, and in the probe of nitrogen sensor bottom ran through the mount pad and stretched into the granary, one side fixed mounting that nitrogen conveying pipe was close to in the upper end of nitrogen sensor had the alarm, and driving motor is connected to the alarm electricity, nitrogen conveying pipe one end is external in filling the nitrogen machine, and the nitrogen conveying pipe other end stretches into granary and fixed connection bellows, bellows's lower extreme fixed connection collet, the collet is by the drive of doubly fast mechanism and carry out sharp up-and-down motion in the granary.
Preferably, a movable groove is formed in the granary and located below the driving motor, a driving shaft is rotatably mounted in the movable groove, one end of the driving shaft is fixedly connected with an output shaft of the driving motor, the other end of the driving shaft is coaxially fixed with a driving wheel, the driving wheel is meshed with a driven wheel, and a threaded rod is coaxially fixed at the lower end of the driven wheel.
Preferably, the size setting of action wheel is greater than the size from the driving wheel, and the fixed cover in middle part of driving shaft is equipped with the separation sleeve, the cross-section of separation sleeve is T shape structure, and the inside annular groove that holds the separation sleeve that offers of the upper end of granary, the protruding edge annular groove normal running fit of separation sleeve.
Preferably, one end, far away from the driven wheel, of the threaded rod extends into the granary and is connected with the speed multiplying mechanism, the speed multiplying mechanism sequentially comprises a first movable frame, a second movable frame, a third movable frame and a fourth movable frame from outside to inside, the first movable frame, the second movable frame, the third movable frame and the fourth movable frame are sequentially sleeved with one another, the upper end of the first movable frame is fixedly connected with a connecting plate, and a threaded hole which is screwed with the threaded rod is formed in the middle of the connecting plate.
Preferably, the both ends symmetry of a adjustable shelf is provided with two sets of risers, and the equal fixed gear that fixedly connects of two sets of risers is inboard on the roof of granary, equal fixedly connected with fixed gear on the lateral wall of riser, an adjustable shelf and No. two adjustable shelves, equal fixedly connected with movable rack on the outer wall of No. two adjustable shelves, No. three adjustable shelves and No. four adjustable shelves, and a adjustable shelf, No. two adjustable shelves, No. three adjustable shelves both sides middle part all rotates and installs the straight-teeth gear.
Preferably, the middle part of collet runs through and has seted up circular through-hole, and telescopic bellows one end fixed connection nitrogen gas conveyer pipe, the inwards salient convex edge that is provided with of telescopic bellows other end, protruding edge is the loop configuration.
Preferably, four groups of vertical rods distributed in an annular array are fixedly connected to the upper end of the convex edge, the upper ends of the four groups of vertical rods are connected with plugs together, the plugs are clamped at the bottom of the nitrogen conveying pipe, and the inner side of the bottom of the nitrogen conveying pipe and the plugs are both arranged into a circular truncated cone-shaped structure.
Preferably, the right side of the granary is provided with an opening, one end of the opening is rotatably connected with a bin door through a hinge, the bin door is locked on the bin door through a coded lock, and an arched handle is fixedly mounted on the outer wall of the bin door.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the size of the driving wheel is set to be larger than that of the driven wheel, and the driving wheel is meshed with the driven wheel, so that the time of one circle of rotation of the driven wheel is far shorter than that of one circle of rotation of the driving wheel, the rotating speed of the threaded rod is far greater than that of the driving shaft, and the effect of preliminary speed increase is achieved on the speed doubling mechanism; the isolation sleeve with the T-shaped cross section is fixedly sleeved in the middle of the driving shaft, so that the connection tightness between the driving shaft and the granary can be enhanced, nitrogen in the granary is effectively prevented from leaking outside the granary through a rotating gap of the driving shaft, and the sealing performance in the granary is ensured;
2. aiming at the air supply process of the nitrogen conveying pipe, the telescopic corrugated pipe is arranged, the air port of the nitrogen conveying pipe can be extended upwards, the situations that the distance between the telescopic corrugated pipe and the probe is too short, the detection effect is inaccurate and the like are avoided, and aiming at the telescopic process of the telescopic corrugated pipe, the speed doubling mechanism is arranged, the telescopic corrugated pipe can be driven to extend or retract quickly, the reaction time of the device is further reduced, the nitrogen can be supplemented or stopped from being output into a granary accurately and quickly, and the grain storage is greatly facilitated;
3. set up protruding edge, pole setting and end cap and mutually support the effect to the nitrogen filling process in nitrogen gas conveyer pipe, can carry out the shutoff or open nitrogen gas conveyer pipe along with the flexible process of concertina corrugated pipe for block or fill into all very convenient and fast to nitrogen gas.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a half-sectional view of the structure of the present invention;
FIG. 3 is a schematic view of the installation of the nitrogen sensor module of the present invention;
FIG. 4 is a schematic view of the connection between the speed multiplier and the bellows according to the present invention;
fig. 5 is a perspective view of the double speed mechanism of the present invention.
In the figure: the device comprises a nitrogen sensor 1, a probe 101, an alarm 102, a mounting base 2, a nitrogen conveying pipe 3, a grain bin 4, a bin gate 401, a driving motor 5, a driving shaft 6, an isolation sleeve 7, a driving wheel 8, a driven wheel 9, a threaded rod 10, a connecting plate 11, a first movable frame 12, a second movable frame 13, a third movable frame 14, a fourth movable frame 15, a bottom support 16, a movable rack 17, a straight gear 18, a fixed rack 19, a vertical plate 20, a telescopic corrugated pipe 21, a convex edge 22, an upright rod 23 and a plug 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a nitrogen sensor module with block and prevent leaking mechanism, includes nitrogen sensor 1, nitrogen gas conveyer pipe 3 and driving motor 5, the equal fixed mounting of nitrogen gas sensor 1, nitrogen gas conveyer pipe 3 and driving motor 5 on granary 4, and the right side of granary 4 sets up the opening, and opening part one end is passed through hinged joint and is connected with door 401, and door 401 fits on door 401 through the trick lock, and fixed mounting has the arch handle on door 401's the outer wall. Fixed cover of lower half of nitrogen sensor 1 has been connect mount pad 2, 2 fixed mounting of mount pad 2 are at the up end of granary 4, probe 101 of 1 bottom of nitrogen sensor runs through mount pad 2 and stretches into in the granary 4, one side fixed mounting that nitrogen sensor 1's upper end is close to nitrogen gas conveyer pipe 3 has alarm 102, driving motor 5 is connected to alarm 102 electricity, driving motor 5 acts on doubly fast mechanism, 3 one end of nitrogen gas conveyer pipe is external in filling the nitrogen machine, 3 other ends of nitrogen gas conveyer pipe stretch into granary 4 and fixed connection bellows 21, the lower extreme fixed connection collet 16 of bellows 21, collet 16 is by doubly fast mechanism drive and carry out sharp up-and-down motion in granary 4.
The nitrogen sensor 1 is used as a basic component, the probe 101 at the bottom of the nitrogen sensor 1 is used for monitoring the nitrogen content in the granary 4 in real time, once the nitrogen concentration is lower than or higher than a limit value, information can be immediately reflected to the alarm 102 through the control system, and the alarm 102 is electrically connected with the driving motor 5, so that the driving motor 5 is quickly started and drives the speed multiplying mechanism, the speed multiplying mechanism drives the bottom support 16 and the telescopic bellows 21 to linearly move up and down, and the nitrogen is slowly filled into the granary 4 through the nitrogen conveying pipe 3 until the limit value is just reached.
As shown in fig. 3 and 5, a movable groove is formed below the driving motor 5 of the granary 4, a driving shaft 6 is rotatably mounted in the movable groove, one end of the driving shaft 6 is fixedly connected with an output shaft of the driving motor 5, the other end of the driving shaft 6 is coaxially fixed with a driving wheel 8, the driving wheel 8 is meshed with a driven wheel 9, and a threaded rod 10 is coaxially fixed at the lower end of the driven wheel 9. The size setting of action wheel 8 is greater than the size from driving wheel 9, and the fixed cover in middle part of driving shaft 6 is equipped with separation sleeve 7, and the cross-section of separation sleeve 7 is T shape structure, and the inside annular groove that holds separation sleeve 7 of offering of upper end of granary 4, the protruding annular groove normal running fit of following of separation sleeve 7.
The size of the driving wheel 8 is set to be larger than that of the driven wheel 9, and the driving wheel 8 is meshed with the driven wheel 9, so that the time of one rotation of the driven wheel 9 is far shorter than the time of one rotation of the driving wheel 8, the rotating speed of the threaded rod 10 is far greater than the rotating speed of the driving shaft 6, and the effect of primarily increasing the speed of the speed doubling mechanism is achieved; and through the fixed cover in the middle part of driving shaft 6 be equipped with the separation sleeve 7 that the cross-section is T shape structure, can strengthen the sealing performance of being connected between driving shaft 6 and granary 4, effectively avoided the nitrogen gas in the granary 4 to pass through the rotating gap of driving shaft 6 and revealed outside the storehouse, guarantee the sealing performance in granary 4.
Specifically, the driving motor 5 is started and drives the driving shaft 6 to rotate, the driving wheel 8 at the bottom of the driving shaft 6 is meshed with the driven wheel 9, so that the driven wheel 9 drives the threaded rod 10 to rotate, and the threaded rod 10 and the connecting plate 11 are mutually screwed through internal and external threads, so that the connecting plate 11 drives the first movable frame 12 to linearly move up and down under the screwing action of the threads;
as shown in fig. 4 and 5, one end of the threaded rod 10, which is far away from the driven wheel 9, extends into the granary 4 and is connected to the speed multiplying mechanism, the speed multiplying mechanism sequentially comprises a first movable frame 12, a second movable frame 13, a third movable frame 14 and a fourth movable frame 15 from outside to inside, the first movable frame 12, the second movable frame 13, the third movable frame 14 and the fourth movable frame 15 are sequentially sleeved with each other, the upper end of the first movable frame 12 is fixedly connected with a connecting plate 11, and the middle part of the connecting plate 11 is provided with a threaded hole which is screwed with the threaded rod 10; two sets of risers 20 are provided with to the both ends symmetry of a adjustable shelf 12, the equal fixed connection granary 4's of two sets of risers 20 roof inboard, equal fixedly connected with fixed gear 19 on the lateral wall of riser 20, an adjustable shelf 12 and No. two adjustable shelves 13, equal fixedly connected with moves rack 17 on the outer wall of No. two adjustable shelves 13, No. three adjustable shelves 14 and No. four adjustable shelves 15, and a adjustable shelf 12, No. two adjustable shelves 13, No. three adjustable shelves 14 both sides middle part all rotates and installs straight-teeth gear 18.
Aiming at the air supply process of the nitrogen conveying pipe 3, the telescopic bellows 21 is arranged, the air port of the nitrogen conveying pipe 3 can be extended upwards, the situation that the distance between the telescopic bellows 21 and the probe 101 is too short, the detection effect is inaccurate and the like is avoided, and aiming at the telescopic process of the telescopic bellows 21, the speed doubling mechanism is arranged, the telescopic bellows 21 can be driven to extend or retract quickly, the reaction time of the device is further reduced, the nitrogen can be supplemented or stopped from being output into the grain bin 4 accurately and quickly, and the grain storage is greatly facilitated;
further, the connecting plate 11 drives the first movable frame 12 to move downwards, the straight gear 18 on the first movable frame 12 is driven by the fixed rack 19 on the vertical plate 20 to rotate and acts on the movable rack 17 on the second movable frame 13, so that the second movable frame 13 also moves downwards along with the first movable frame 12, the straight gear 18 on the second movable frame 13 rotates under the drive of the fixed rack 19 on the first movable frame 12 and acts on the movable rack 17 on the third movable frame 14, similarly, the straight gear 18 on the third movable frame 14 rotates under the drive of the fixed rack 19 on the second movable frame 13 and acts on the fourth movable frame 15, so that the second movable frame 13, the third movable frame 14 and the fourth movable frame 15 sequentially and synchronously extend downwards along with the first movable frame 12, and the motion line distance of the fourth movable frame 15 is 4 times of that of the connecting plate 11, thereby greatly shortening the extension time of the bellows 21 under the conventional state, improving the nitrogen charging efficiency.
As shown in fig. 4, a circular through hole is formed in the middle of the bottom support 16, one end of the bellows 21 is fixedly connected to the nitrogen delivery pipe 3, a convex edge 22 is protruded inwards from the other end of the bellows 21, and the convex edge 22 is of an annular structure. Four groups of upright rods 23 distributed in an annular array are fixedly connected to the upper end of the convex edge 22, the upper ends of the four groups of upright rods 23 are connected with plugs 24 together, the plugs 24 are clamped at the bottom of the nitrogen conveying pipe 3, and the inner side of the bottom of the nitrogen conveying pipe 3 and the plugs 24 are both arranged into a circular truncated cone-shaped structure.
The nitrogen filling process aiming at the nitrogen conveying pipe 3 is provided with the convex edge 22, the upright rod 23 and the plug 24 which are mutually matched, and the nitrogen conveying pipe 3 can be plugged or opened along with the telescopic process of the telescopic corrugated pipe 21, so that the blocking or the filling of nitrogen is very convenient and fast.
When the invention is used: firstly, the probe 101 at the bottom of the nitrogen sensor 1 is used for monitoring the nitrogen content in the granary 4 in real time, once the nitrogen concentration is lower than or higher than a limit value, information can be immediately reflected to the alarm 102 through a control system, the alarm 102 is electrically connected with the driving motor 5, the driving motor 5 is rapidly started and drives the driving shaft 6 to rotate, the driving wheel 8 at the bottom of the driving shaft 6 is meshed and connected with the driven wheel 9, so that the driven wheel 9 drives the threaded rod 10 to rotate, the threaded rod 10 and the connecting plate 11 are mutually screwed through internal and external threads, so that the connecting plate 11 drives the first movable frame 12 to linearly move up and down under the screwing action of the threads, when the connecting plate 11 drives the first movable frame 12 to move down, the spur gear 18 on the first movable frame 12 is driven to rotate under the driving of the fixed rack 19 on the vertical plate 20 and acts on the movable rack 17 on the second movable frame 13, the second movable frame 13 moves downwards along with the first movable frame 12, the straight gear 18 on the second movable frame 13 is driven by the fixed rack 19 on the first movable frame 12 to rotate and act on the movable rack 17 on the third movable frame 14, similarly, the straight gear 18 on the third movable frame 14 is driven by the fixed rack 19 on the second movable frame 13 to rotate and act on the fourth movable frame 15, so that the second movable frame 13, the third movable frame 14 and the fourth movable frame 15 sequentially and synchronously extend downwards along with the first movable frame 12, and the movement row distance of the fourth movable frame 15 is 4 times of that of the connecting plate 11, the extension time of the extension corrugated pipe 21 in the conventional state is greatly shortened, and the nitrogen charging efficiency is improved;
in addition, aiming at the air supply process of the nitrogen conveying pipe 3, the telescopic bellows 21 is also arranged, the air port of the nitrogen conveying pipe 3 can be extended upwards, the situation that the distance between the telescopic bellows and the probe 101 is too close, the detection effect is inaccurate and the like can be avoided,
although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a nitrogen gas sensor module with block and prevent leaking mechanism, includes nitrogen gas sensor, nitrogen gas conveyer pipe and driving motor, the equal fixed mounting of nitrogen gas sensor, nitrogen gas conveyer pipe and driving motor on the granary its characterized in that:
the lower half of nitrogen sensor is fixedly sleeved with a mounting seat, the mounting seat is fixedly mounted on the upper end face of a granary, a probe at the bottom of the nitrogen sensor penetrates through the mounting seat and extends into the granary, an alarm is fixedly mounted on one side, close to a nitrogen conveying pipe, of the upper end of the nitrogen sensor, a driving motor is electrically connected with the alarm, one end of the nitrogen conveying pipe is externally connected with a nitrogen filling machine, the other end of the nitrogen conveying pipe extends into the granary and is fixedly connected with a telescopic corrugated pipe, the lower end of the telescopic corrugated pipe is fixedly connected with a collet, and the collet is driven by a speed doubling mechanism and linearly moves up and down in the granary.
2. The nitrogen sensor module with a block and leak prevention mechanism of claim 1, wherein: the granary is provided with a movable groove below the driving motor, a driving shaft is rotatably mounted in the movable groove, one end of the driving shaft is fixedly connected with an output shaft of the driving motor, the other end of the driving shaft is coaxially fixed with a driving wheel, the driving wheel is meshed with a driven wheel, and a threaded rod is coaxially fixed at the lower end of the driven wheel.
3. The nitrogen sensor module with a block and leak prevention mechanism of claim 2, wherein: the size setting of action wheel is greater than the size from the driving wheel, and the fixed cover in middle part of driving shaft is equipped with the separation sleeve, the cross-section of separation sleeve is T shape structure, and the inside annular groove that holds the separation sleeve that offers of the upper end of granary, the protruding edge annular groove normal running fit of separation sleeve.
4. The nitrogen sensor module with a block and leak prevention mechanism of claim 3, wherein: one end, far away from the driven wheel, of the threaded rod extends into the granary and is connected to the speed multiplying mechanism, the speed multiplying mechanism sequentially comprises a first movable frame, a second movable frame, a third movable frame and a fourth movable frame from outside to inside, the first movable frame, the second movable frame, the third movable frame and the fourth movable frame are sequentially sleeved with one another, the upper end of the first movable frame is fixedly connected with a connecting plate, and a threaded hole which is screwed with the threaded rod is formed in the middle of the connecting plate.
5. The nitrogen sensor module with a block and leak prevention mechanism of claim 4, wherein: the both ends symmetry of a adjustable shelf is provided with two sets of risers, and the equal fixed connection grain bin's of two sets of risers roof inboard, equal fixedly connected with fixed gear on the lateral wall of riser, an adjustable shelf and No. two adjustable shelves, equal fixedly connected with movable rack on the outer wall of No. two adjustable shelves, No. three adjustable shelves and No. four adjustable shelves, and an adjustable shelf, No. two adjustable shelves, No. three adjustable shelves both sides middle part all rotate and install the straight-teeth gear.
6. The nitrogen sensor module with a block and leak prevention mechanism of claim 1, wherein: the middle part of collet runs through and has seted up circular through-hole, and telescopic bellows one end fixed connection nitrogen gas conveyer pipe, the inside protrusion of telescopic bellows other end are provided with protruding edge, protruding edge is the loop configuration.
7. The nitrogen sensor module with a block and leak prevention mechanism of claim 6, wherein: the upper end fixedly connected with of protruding edge four group are the pole setting that the annular array distributes, and the upper end of four group's pole settings is connected with the end cap jointly, and the end cap joint is in the bottom of nitrogen gas conveyer pipe, and nitrogen gas conveyer pipe bottom inboard all sets up round platform shape structure with the end cap.
8. The nitrogen sensor module with a block and leak prevention mechanism of claim 1, wherein: the right side of granary sets up the opening, and opening part one end is connected with the door through the hinge rotation, and the door fits on the door through the trick lock, and fixed mounting has the arch handle on the outer wall of door.
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| CN202210216453.2A CN114487308B (en) | 2022-03-07 | 2022-03-07 | Nitrogen sensor module with block and prevent leaking mechanism |
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| CN202210216453.2A CN114487308B (en) | 2022-03-07 | 2022-03-07 | Nitrogen sensor module with block and prevent leaking mechanism |
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