CN109187869A - It is a kind of for detecting the device of formaldehyde - Google Patents
It is a kind of for detecting the device of formaldehyde Download PDFInfo
- Publication number
- CN109187869A CN109187869A CN201811099071.6A CN201811099071A CN109187869A CN 109187869 A CN109187869 A CN 109187869A CN 201811099071 A CN201811099071 A CN 201811099071A CN 109187869 A CN109187869 A CN 109187869A
- Authority
- CN
- China
- Prior art keywords
- gear
- fixed
- formaldehyde
- hub
- liquid outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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—Specially adapted to detect a particular component
Abstract
The invention discloses a kind of for detecting the device of formaldehyde, including stirring box, the upper end for stirring box is equipped with bracket, bracket includes hub and support plate, and vertical agitating shaft is hinged in hub, and the lower end of agitating shaft is fixed with several stirring rods, the upper end of agitating shaft is fixed with first gear, the opposite sides of first gear is engaged with second gear and third gear respectively, and second gear sleeve is fixed in the shaft of driving motor, and driving motor is connected with timer；The bottom center of third gear forms the connector sleeve of cone, the connector sleeve sleeve is present to be put on, grafting is fixed with vertical intubation in cover for seat, the groove of annular is formed on cannula outer wall, liquid outlet is formed on the inner wall of groove, third gear is plugged in groove and covers liquid outlet, and leakage notch corresponding with liquid outlet is formed on third gear.The present invention is able to achieve powder and is completely dissolved in former reagent, and can periodically add another reagent automatically.
Description
Technical field:
The present invention relates to the technical fields of environmental detection set, are specifically related to a kind of for detecting the device of formaldehyde.
Background technique:
Formaldehyde, chemical formula HCHO or CH2O, formula weight 30.03, also known as formaldehyde, gas that is colourless and having special penetrating odor
Body, to the irritating effect such as human eye, nose.Scientific research discovery, formaldehyde can cause the gene mutation of mammal nuclear, dyeing
Bulk damage and eight fractures.Formaldehyde and other polycyclic aromatic hydrocarbons have synergy, such as toxicity can be made to enhance with the synergy of BaP.
At present after interior decoration, can there be formaldehyde in timber or paint, need to do indoor carry out formaldehyde examination after detection is qualified again
Public or meeting of living is safer.
The mode of formaldehyde examination is varied at present, and having test paper type also has reagent type, there is a kind of formaldehyde formulations, needs one
Kind of detection powder is dissolved in a kind of reagent, is then needed to stand a period of time, is realized that powder is completely dissolved in reagent, then add
Another reagent just can be carried out detection after two kinds of reagent mixing, and the operation of the formaldehyde formulations uses craft at present, needs personnel
Waiting a period of time adds another reagent again, troublesome in poeration.
Summary of the invention:
The purpose of the present invention aims to solve the problem that problem of the existing technology, provides one kind and is able to achieve before powder is completely dissolved in
A kind of reagent, and the device for being used to detect formaldehyde of another reagent can be periodically added automatically.
The present invention relates to a kind of for detecting the device of formaldehyde, including stirring box, and the upper end of the stirring box is equipped with bracket,
The bracket includes circular hub and the support plate for being distributed in the hub two sides, and one end of the support plate is fixed on stirring
Vertical agitating shaft is hinged on the upper surface of box, in hub, the lower end of the agitating shaft passes through hub and is fixed with several stir
Bar is mixed, the upper end of agitating shaft passes through hub and sleeve is fixed with first gear, and the opposite sides of the first gear engages respectively
There are second gear and third gear, the second gear sleeve is fixed in the shaft of driving motor, the driving motor and fixed
When device be connected, the timer and driving motor are each attached in support plate；
The bottom center of the third gear forms the connector sleeve of cone, and the connector sleeve sleeve is present to be put on, institute
It is fixed on the supporting plate to state cover for seat, grafting is fixed with vertical intubation in cover for seat, and the bottom end of the intubation forms capping, described
Capping is plugged in cover for seat, and the groove of annular is formed on cannula outer wall, forms liquid outlet, third on the inner wall of the groove
Gear is plugged in groove and covers the liquid outlet, and leakage notch corresponding with liquid outlet, institute are formed on third gear
It states leakage notch to be located above connector sleeve, the central axis formed on the lateral wall of connector sleeve around connector sleeve uniformly divides in a ring
The diversion trench of cloth.
By above-mentioned technical proposal, in the use of the present invention, latter reagent is added first into intubation, then to stirring
Powder and addition former reagent are poured into box, then adjusts timer and is timed, and timer starts after the time overregulated
Driving motor starting is driven, driving motor drives second gear rotation, and second gear drives first gear rotation, so that stirring
Axis and stirring rod rotation are mixed, realizes the stirring of powder and former reagent.First gear drives the rotation of third gear, third simultaneously
Leakage notch thereon is overlapped with the liquid outlet in intubation after gear turns an angle, then latter reagent is from liquid outlet and leakage
Liquid bath mouth flows on connector sleeve after leaking out, and diversion trench of the latter reagent on connector sleeve flow to mix in stirring box and stir
It mixes, connector sleeve facilitates the water conservancy diversion of latter reagent in cone.In the above process, it can be controlled by setting the time of timer
The time of liquid outlet processed and the salty conjunction of liquid leakage tank, to realize the timing addition of latter reagent.
Through the above scheme, a kind of device for detecting formaldehyde of the invention is able to achieve powder and is completely dissolved in former
Reagent, and another reagent can be periodically added automatically.
As a preference of the above scheme, the lower end of the agitating shaft is fixed with circular turntable, the stirring rod at
On the lateral wall of the turntable, stirring rod is uniformly distributed type in a ring around the center of turntable.
As a preference of the above scheme, the center of the third gear forms jack, and the jack is plugged on slotting
In the groove of pipe, the inner wall of jack covers the liquid outlet of intubation, and the leakage notch is molded on the inner wall of jack, liquid outlet
With the fan-shaped shape of leakage notch.
As a preference of the above scheme, the upper end of the intubation is hinged with cover board.
As a preference of the above scheme, spacer is formed on the hub upper surface of the bracket, agitating shaft is plugged on
In the spacer, the upper end of spacer is resisted against on the lower end surface of first gear.
As a preference of the above scheme, the diameter of the second gear and third gear is all larger than the straight of first gear
The number of teeth of diameter, second gear and third gear is greater than the number of teeth of first gear.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention:
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein:
Fig. 1 is overlooking structure diagram of the invention；
Fig. 2 is positive structure diagram of the invention；
Fig. 3 is the schematic cross-sectional view of third gear in the present invention；
Fig. 4 is the schematic cross-sectional view being intubated in the present invention；
Fig. 5 is the structural schematic diagram of turntable of the present invention.
Specific embodiment:
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
It is of the present invention a kind of for detecting the device of formaldehyde, including stirring box 1 referring to Fig. 1, Fig. 2, Fig. 5, it is described to stir
The upper end for mixing box 1 is equipped with bracket 2, and the bracket 2 includes circular hub 21 and the support plate for being distributed in 21 two sides of hub
22, one end of the support plate 22 is fixed on the upper surface of stirring box 1, and vertical agitating shaft 3 is hinged in hub 21, described
The lower end of agitating shaft 3 passes through hub 21 and is fixed with several stirring rods 41, and the lower end of agitating shaft 3 is fixed with circular turntable 4, institute
It states stirring rod 41 to be molded on the lateral wall of the turntable 4, stirring rod 41 is uniformly distributed in a ring around the center of turntable 4, stirring
The upper end of axis 3 passes through hub 21 and sleeve is fixed with first gear 51, and spacer 23, agitating shaft 3 are formed on 21 upper surface of hub
It is plugged in the spacer 23, the upper end of spacer 23 is resisted against on the lower end surface of first gear 51, the phase of the first gear 51
Two sides are engaged with second gear 52 and third gear 53 respectively, the diameter of the second gear 52 and third gear 53 is all larger than
The number of teeth of the diameter of first gear 51, second gear 52 and third gear 53 is greater than the number of teeth of first gear 51, second gear 52
Sleeve is fixed in the shaft of driving motor 6, and the driving motor 6 is connected with timer 61, the timer 61 and driving electricity
Machine 6 is each attached in support plate 22.
Referring to Fig. 1 to Fig. 4, the bottom center of the third gear 53 forms the connector sleeve 531 of cone, the connection
531 sleeves are covered in cover for seat 7, and the cover for seat 7 is fixed in support plate 22, and grafting is fixed with vertical intubation 8, institute in cover for seat 7
The upper end for stating intubation 8 is hinged with cover board 82, and the bottom end for being intubated 8 forms capping 83, and the capping 83 is plugged in cover for seat 7, inserts
The groove 81 of annular is formed on 8 outer wall of pipe, forms liquid outlet 812,53 grafting of third gear on the inner wall of the groove 81
It is covered in groove 81 and by the liquid outlet 812, the center of third gear 53 forms jack 532,532 grafting of jack
In the groove 81 of intubation 8, the inner wall of jack 532 covers the liquid outlet 812 for being intubated 8, forms and goes out on third gear 53
The corresponding leakage notch 533 of liquid mouth 812, the leakage notch 533 are molded on the inner wall of jack 532, liquid outlet 812 and leakage
The fan-shaped shape of notch 533, leakage notch 533 are located at 531 top of connector sleeve, form on the lateral wall of connector sleeve 531 around even
The central axis of female connector 531 equally distributed diversion trench 534 in a ring.
The present invention in the specific implementation, adds latter reagent into intubation 8 first, then pours into powder into stirring box 1
End and addition former reagent, then adjust timer 61 and be timed, the starting of timer 61, which drives, after the time overregulated drives
Dynamic motor 6 starts, and driving motor 6 drives second gear 52 to rotate, and second gear 52 drives first gear 51 to rotate, so that
Agitating shaft 3 and stirring rod 41 rotate, and realize the stirring of powder and former reagent.First gear 51 drives third gear 53 simultaneously
Rotation, leakage notch 533 thereon is overlapped with the liquid outlet 812 being intubated on 8 after third gear 53 turns an angle, then latter
Kind reagent flows on connector sleeve 531 after leaking out from liquid outlet 812 and leakage notch 533, and latter reagent is along connector sleeve 531
Diversion trench 534 flow in stirring box 1 and is mixed, and connector sleeve 531 facilitates the water conservancy diversion of latter reagent in cone.On
During stating, the time that liquid outlet 812 is overlapped with leakage notch 533 can be controlled by setting the time of timer 61, thus
Realize the timing addition of latter reagent.
In conclusion a kind of device for detecting formaldehyde of the invention, which is able to achieve powder, is completely dissolved in former examination
Agent, and another reagent can be periodically added automatically.
The device provided by the present invention for being used to detect formaldehyde, only a specific embodiment of the invention, but it is of the invention
Protection scope is not limited thereto, and anyone skilled in the art in the technical scope disclosed by the present invention, can
Change or replacement are readily occurred in, should all be covered within that scope of the present invention.Therefore, protection scope of the present invention should be with described
Subject to scope of protection of the claims.
Claims (6)
1. a kind of for detecting the device of formaldehyde, including stirring box (1), it is characterised in that: the upper end of stirring box (1) is equipped with
Bracket (2), the bracket include circular hub (21) and the support plate (22) for being distributed in the hub two sides, the support plate
One end be fixed on stirring box (1) upper surface on, vertical agitating shaft (3) are hinged in hub (21), the agitating shaft
Lower end passes through hub (21) and is fixed with several stirring rods (41), and the upper end of agitating shaft (3) passes through hub (21) and sleeve is fixed
Have first gear (51), the opposite sides of the first gear is engaged with second gear (52) and third gear (53), institute respectively
It states second gear (52) sleeve to be fixed in the shaft of driving motor (6), the driving motor is connected with timer (61), described
Timer and driving motor (6) are each attached on support plate (22)；
The bottom center of the third gear (53) forms the connector sleeve (531) of cone, and the connector sleeve sleeve is in cover for seat
(7) on, the cover for seat is fixed on support plate (22), and cover for seat (7) interior grafting is fixed with vertical intubation (8), the intubation
Bottom end forms capping (83), and the capping is plugged in cover for seat (7), is intubated the groove (81) that annular is formed on (8) outer wall,
It is formed on the inner wall of the groove liquid outlet (812), third gear (53) is plugged in groove (81) and by the liquid outlet
(812) it covers, forms leakage notch (533) corresponding with liquid outlet (812), leakage notch position on third gear (53)
Above the connector sleeve (531), form that the central axis around connector sleeve is equally distributed in a ring to lead on the lateral wall of connector sleeve
Chute (534).
2. according to claim 1 for detecting the device of formaldehyde, it is characterised in that: the lower end of the agitating shaft (3) is solid
Surely have circular turntable (4), the stirring rod (41) is molded on the lateral wall of the turntable (4), and stirring rod (41) is around turntable
(4) center is uniformly distributed in a ring.
3. according to claim 1 for detecting the device of formaldehyde, it is characterised in that: the center of the third gear (53)
It forms jack (532), the jack is plugged on intubation, and (in 8 groove (81), the inner wall of jack (532) will be intubated going out for (8)
Liquid mouth (812) covering, the leakage notch (533) are molded on the inner wall of jack (532), liquid outlet (812) and leakage notch
(533) fan-shaped shape.
4. according to claim 1 for detecting the device of formaldehyde, it is characterised in that: the upper end of the intubation (8) is hinged
There are cover board (82).
5. according to claim 1 for detecting the device of formaldehyde, it is characterised in that: the hub (21) of the bracket (2)
Spacer is formed on upper surface, and (23, agitating shaft (3) is plugged in the spacer (23), and the upper end of spacer (23) is resisted against first
On the lower end surface of gear (53).
6. according to claim 1 for detecting the device of formaldehyde, it is characterised in that: the second gear (52) and third
The diameter of gear (53) is all larger than the diameter of first gear (51), and the number of teeth of second gear (52) and third gear (53) is greater than the
The number of teeth of one gear (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099071.6A CN109187869A (en) | 2018-09-20 | 2018-09-20 | It is a kind of for detecting the device of formaldehyde |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811099071.6A CN109187869A (en) | 2018-09-20 | 2018-09-20 | It is a kind of for detecting the device of formaldehyde |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109187869A true CN109187869A (en) | 2019-01-11 |
Family
ID=64908758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811099071.6A Pending CN109187869A (en) | 2018-09-20 | 2018-09-20 | It is a kind of for detecting the device of formaldehyde |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109187869A (en) |
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Application publication date: 20190111 |