CN209132163U - A kind of formaldehyde examination device - Google Patents
A kind of formaldehyde examination device Download PDFInfo
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- CN209132163U CN209132163U CN201821889298.6U CN201821889298U CN209132163U CN 209132163 U CN209132163 U CN 209132163U CN 201821889298 U CN201821889298 U CN 201821889298U CN 209132163 U CN209132163 U CN 209132163U
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- sealing drum
- examination device
- formaldehyde examination
- piston
- test paper
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Abstract
The utility model discloses a kind of formaldehyde examination devices, belong to formaldehyde examination field, a kind of formaldehyde examination device disclosed by the utility model, including Test paper, it further include sealing drum, scavenging piston, one end of scavenging piston is located in sealing drum, and scavenging piston is slidably connected with sealing medial wall of the tube, the drive rod of scavenging piston stretches out the roof of sealing drum, and the roof of drive rod and sealing drum is slidably connected；Air vent is offered on scavenging piston, Test paper is fixed at the air vent of scavenging piston.The air in sealing drum is in sealing state when detecting, inner volume is divided into two parts by scavenging piston, by pushing piston to exchange two parts air back and forth by air vent back and forth, Test paper is placed in ventilation hole site, air is sufficiently contacted with test paper, so as to Rapid Test Desk content of formaldehyde.
Description
Technical field
The utility model relates to formaldehyde examination field more particularly to a kind of formaldehyde examination devices.
Background technique
Test paper for formaldehyde detection uses improved chemisorption mode, is not necessarily to any instrument and equipment, and quickly and easily detection is empty
Content of formaldehyde in gas.Other common indoor air pollutants matter such as benzene,toluene,xylene, ammonia, nitric oxide, nitrogen dioxide
It is noiseless to the measuring method.It, need to be by space-closed to be measured 1 hour or more, to guarantee the accuracy of measurement before starting measurement.Separately
Outside, since the release of formaldehyde and absorption are directly related with temperature, if room temperature is too low, off-period should be appropriately extended.It will be close
Envelope is opened taking-up Test paper and is put on blotting paper, and detection liquid bottle is taken to be added dropwise in 1 drop (10-20ul) to Test paper, if any
Surplus liquid is sopped up with blotting paper, be will test test paper and is placed standing 10 minutes in air.After colour developing, within 10-15 minutes
It will test test paper to compare with colorimetric card, it is formaldehyde that color, which is deeper than critical value, and it is that formaldehyde does not surpass that color, which is shallower than critical value,
Mark.
The detection that formaldehyde is carried out using test paper is needed to keep absorbing a period of time in certain sealing space, just can accurately
Detect content of formaldehyde, the time needed is longer.
Utility model content
In order to overcome the drawbacks of the prior art, the technical problem to be solved by the utility model is to propose a kind of formaldehyde inspection
Device is surveyed, by the way that test paper to be placed at the hole location of piston, air in sealing space can be made by moving back and forth piston
Quickly through Test paper, so as to Rapid Detection of Formaldehyde content.
For this purpose, the utility model uses following technical scheme:
A kind of formaldehyde examination device provided by the utility model, including Test paper, further include sealing drum, scavenging piston,
One end of scavenging piston is located in sealing drum, and scavenging piston is slidably connected with sealing medial wall of the tube, the drive rod of scavenging piston
The roof of sealing drum is stretched out, and the roof of drive rod and sealing drum is slidably connected；Air vent, detection examination are offered on scavenging piston
Paper is fixed at the air vent of scavenging piston.
The utility model preferably technical solution is that formaldehyde examination device further includes test paper fixed frame, test paper fixed frame
It is fixed on the one side of scavenging piston, fixed frame is located at air vent, and Test paper is fixed on test paper fixed frame.
The utility model preferably technical solution is that formaldehyde examination device further includes volume regulating piston, and volume is adjusted
Piston is located at the other end of sealing drum, and is slidably connected with sealing drum, and sealing drum lateral wall is provided with scale.
The utility model preferably technical solution is that the downside wall of the other end of sealing drum is provided with sliding sleeve, volume tune
The adjusting rod for saving piston stretches out sliding sleeve, and is slidably connected with sliding sleeve, and sliding sleeve side wall is provided with tightening knob, tightening knob and sliding sleeve
Sidewall thread connection, and one end of tightening knob is abutted with adjusting rod.
The utility model preferably technical solution is that formaldehyde examination device further includes muff, and muff is socketed on close
The lateral wall of sealed tube, and muff sealing drum set graduated position open up it is jagged.
The utility model preferably technical solution is that muff material is configured to foam or rock wool material.
The utility model preferably technical solution is that formaldehyde examination device further includes battery and PTC heating plate, electric power storage
The other end inner bottom of sealing drum is fixed in pond, and PTC heating plate is fixed on volume regulating piston end face, and battery adds with PTC
Hot plate is electrically connected.
The utility model preferably technical solution is, sealing drum is provided with installation cover board, installation cover board lateral wall with it is close
Sealed tube inner sidewall is threadedly coupled, and installation cover plate central position is provided with sealing ring, and seal ring set is connected on drive rod.
The utility model preferably technical solution is, installs and offers gas vent on cover board, installs the gas vent of cover board
Venting plug is provided at position, venting plug is plugged in gas vent.
The utility model has the following beneficial effects:
A kind of formaldehyde examination device provided by the utility model, including Test paper, further include sealing drum, scavenging piston,
One end of scavenging piston is located in sealing drum, and scavenging piston is slidably connected with sealing medial wall of the tube, the drive rod of scavenging piston
The roof of sealing drum is stretched out, and the roof of drive rod and sealing drum is slidably connected；Air vent, detection examination are offered on scavenging piston
Paper is fixed at the air vent of scavenging piston.The air in sealing drum is in sealing state when detecting, and scavenging piston will be internal
Cavity is divided into two parts, and by pushing piston to exchange two parts air back and forth by air vent back and forth, Test paper is placed
In ventilation hole site, air is sufficiently contacted with test paper, so as to Rapid Test Desk content of formaldehyde.
Formaldehyde examination device further includes volume regulating piston, and volume regulating piston is located at the other end of sealing drum, and with it is close
Sealed tube is slidably connected, and sealing drum lateral wall is provided with scale.It can control the gas volume in sealing by volume regulating piston,
Convenient for detection and unit of account volume content of formaldehyde.
Formaldehyde examination device further includes muff, and muff is socketed on the lateral wall of sealing drum, and muff is in sealing drum
If graduated position opens up jagged.Formaldehyde examination device further includes battery and PTC heating plate, and battery is fixed on sealing
The other end inner bottom of cylinder, PTC heating plate are fixed on volume regulating piston end face, and battery and PTC heating plate are electrically connected.
The absorption of formaldehyde is affected by temperature, and is heated inner air by PTC heating plate and by the insulation effect of muff, can be with
So that the temperature for the suitable formaldehyde absorption that interior environment temperature is kept, improves detection efficiency.
Detailed description of the invention
Fig. 1 is the formaldehyde examination device entirety the schematic diagram of the section structure provided in specific embodiment of the present invention；
Fig. 2 is the scavenging piston schematic diagram of the formaldehyde examination device provided in specific embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the volume regulating piston provided in specific embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the muff provided in specific embodiment of the present invention；
In figure:
1, sealing drum；2, muff；3, scavenging piston；4, volume regulating piston；5, battery；6, PTC heating plate；7, it tries
Paper fixed frame；8, Test paper；11, cover board is installed；12, sliding sleeve；13, scale；21, notch；31, drive rod；32, air vent；
41, adjusting rod；111, venting plug；112, sealing ring；113, gas vent；121, tightening knob.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1 and Figure 2, a kind of formaldehyde examination device provided in the present embodiment, including Test paper 8, further include close
One end of sealed tube 1, scavenging piston 3, scavenging piston 3 is located in sealing drum 1, and scavenging piston 3 and the sliding of 1 inner sidewall of sealing drum connect
It connects, the drive rod 31 of scavenging piston 3 stretches out the roof of sealing drum 1, and drive rod 31 and the roof of sealing drum 1 are slidably connected；It changes
Air vent 32 is offered on gas piston 3, Test paper 8 is fixed at the air vent 32 of scavenging piston 3.When detecting, detection examination
Paper 8 is fixed on 32 position of air vent, pushes drive rod 31 that scavenging piston 3 is slided in sealing drum 1, when up moving,
Scavenging piston 3 compresses upper segment space and the gas of segment space is made to enter lower segment space by air vent 32, to make
Must go up portion gas will test paper 8 after testing, otherwise push scavenging piston 3 move down so that lower partial air also need through
Test paper 8 is crossed, so as to quickly detect content of formaldehyde.
As shown in Fig. 2, formaldehyde examination device further includes test paper fixed frame 7, test paper fixed frame 7 is fixed on scavenging piston 3
One side, fixed frame are located at air vent 32, and Test paper 8 is fixed on test paper fixed frame 7.It can be with by test paper fixed frame 7
Facilitate the fixation of Test paper 8.
Preferably, formaldehyde examination device further includes volume regulating piston 4, and volume regulating piston 4 is located at the another of sealing drum 1
End, and be slidably connected with sealing drum 1,1 lateral wall of sealing drum is provided with scale 13.By pushing volume regulating piston 4, Ke Yigai
The volume for becoming detection gas in sealing drum 1 can be convenient unit of account volume content of formaldehyde convenient for the sampling of different volumes.
As shown in figure 3, the downside wall of the other end of sealing drum 1 is provided with sliding sleeve 12, the adjusting rod 41 of volume regulating piston 4
Sliding sleeve 12 is stretched out, and is slidably connected with sliding sleeve 12,12 side wall of sliding sleeve is provided with tightening knob 121, tightening knob 121 and sliding sleeve 12
Sidewall thread connection, and one end of tightening knob 121 is abutted with adjusting rod 41.In promotion adjusting rod 41 to 1 volume tune of sealing drum
After section, rotation tightening knob 121 for adjusting rod 41 to be fixed in sliding sleeve 12, so that volume is easy to adjust.
Further, as Figure 1 and Figure 4, formaldehyde examination device further includes muff 2, and muff 2 is socketed on sealing drum 1
Lateral wall, and muff 2 sealing drum 1 be equipped with scale 13 position open up jagged 21.Preferably, 2 material of muff is matched
It is set to foam.The temperature in sealing drum 1 can be kept well by the setting of muff 2, so that formaldehyde absorption more holds
Easily, so that formaldehyde examination is easier and more accurately carries out.Notch 21 is set in the position for having scale 13 simultaneously, sealing drum 1 is adopted
It is made of transparent material, makes it easier to observation internal volume.
Preferably, formaldehyde examination device further includes battery 5 and PTC heating plate 6, and battery 5 is fixed on the another of sealing drum 1
One end inner bottom, PTC heating plate 6 are fixed on 4 end face of volume regulating piston, and battery 5 and PTC heating plate 6 are electrically connected.It is logical
1 inner air of sealing drum can be heated when temperature is inadequate by crossing PTC heating plate 6, promote formaldehyde absorption, so that detection is more
Fastly.
As shown in Fig. 2, sealing drum 1 is provided with installation cover board 11, installation 11 lateral wall of cover board and 1 inner sidewall screw thread of sealing drum
Connection, installation 11 center of cover board are provided with sealing ring 112, and sealing ring 112 is socketed on drive rod 31.Preferably, it installs
Gas vent 113 is offered on cover board 11, is installed and is provided with venting plug 111, venting plug 111 at 113 position of gas vent of cover board 11
It is plugged in gas vent 113.By setting installation cover board 11 device is more easily installed, while offering gas vent 113, makes
Can be convenient after detection is completed inner air is discharged of inner air, while also can be convenient and carrying out sampling inspection again
It surveys.
The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality
In the case where with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality
It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to
In the range of the utility model protection.
Claims (9)
1. a kind of formaldehyde examination device, including Test paper (8), it is characterised in that:
It further include sealing drum (1), scavenging piston (3), one end of the scavenging piston (3) is located in the sealing drum (1), and institute
It states scavenging piston (3) to be slidably connected with the sealing drum (1) inner sidewall, the drive rod (31) of the scavenging piston (3) stretches out institute
The roof of sealing drum (1) is stated, and the drive rod (31) and the roof of the sealing drum (1) are slidably connected；
It is offered air vent (32) on the scavenging piston (3), the Test paper (8) is fixed on the scavenging piston (3)
At air vent (32).
2. formaldehyde examination device according to claim 1, it is characterised in that:
The formaldehyde examination device further includes test paper fixed frame (7), and the test paper fixed frame (7) is fixed on the scavenging piston
(3) one side, the fixed frame are located at the air vent (32), and the Test paper (8) is fixed on the test paper and is fixed
On frame (7).
3. formaldehyde examination device according to claim 1, it is characterised in that:
The formaldehyde examination device further includes volume regulating piston (4), and the volume regulating piston (4) is located at the sealing drum
(1) the other end, and be slidably connected with the sealing drum (1), sealing drum (1) lateral wall is provided with scale (13).
4. formaldehyde examination device according to claim 3, it is characterised in that:
The downside wall of the other end of the sealing drum (1) is provided with sliding sleeve (12), the adjusting rod of the volume regulating piston (4)
(41) sliding sleeve (12) is stretched out, and is slidably connected with the sliding sleeve (12), sliding sleeve (12) side wall is provided with tightening knob
(121), the tightening knob (121) connect with the sliding sleeve (12) sidewall thread, and one end of the tightening knob (121) with
The adjusting rod (41) abuts.
5. formaldehyde examination device according to claim 1, it is characterised in that:
The formaldehyde examination device further includes muff (2), and the muff (2) is socketed on the lateral wall of the sealing drum (1),
And the muff (2) opens up jagged (21) in the position that the sealing drum (1) is equipped with scale (13).
6. formaldehyde examination device according to claim 5, it is characterised in that:
Muff (2) material is configured to foam or rock wool material.
7. formaldehyde examination device according to claim 3, it is characterised in that:
The formaldehyde examination device further includes battery (5) and PTC heating plate (6), and the battery (5) is fixed on the sealing
The other end inner bottom of cylinder (1), the PTC heating plate (6) are fixed on volume regulating piston (4) end face, the electric power storage
Pond (5) and the PTC heating plate (6) are electrically connected.
8. formaldehyde examination device according to claim 1, it is characterised in that:
The sealing drum (1) is provided with installation cover board (11), installation cover board (11) lateral wall and the sealing drum (1) inside
Wall is threadedly coupled, and installation cover board (11) center is provided with sealing ring (112), and the sealing ring (112) is socketed on institute
It states on drive rod (31).
9. formaldehyde examination device according to claim 8, it is characterised in that:
It offers gas vent (113) on the installation cover board (11), is set at gas vent (113) position of installation cover board (11)
It is equipped with venting plug (111), the venting plug (111) is plugged in the gas vent (113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821889298.6U CN209132163U (en) | 2018-11-16 | 2018-11-16 | A kind of formaldehyde examination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821889298.6U CN209132163U (en) | 2018-11-16 | 2018-11-16 | A kind of formaldehyde examination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209132163U true CN209132163U (en) | 2019-07-19 |
Family
ID=67245407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821889298.6U Active CN209132163U (en) | 2018-11-16 | 2018-11-16 | A kind of formaldehyde examination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209132163U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116343A (en) * | 2020-01-10 | 2021-07-16 | 中国人民解放军第四军医大学 | Special simple gastric juice pH value measuring device for gastrointestinal hemorrhage |
| CN117288917A (en) * | 2023-11-27 | 2023-12-26 | 四川旌峰新材料有限公司 | Combustible gas detector |
-
2018
- 2018-11-16 CN CN201821889298.6U patent/CN209132163U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116343A (en) * | 2020-01-10 | 2021-07-16 | 中国人民解放军第四军医大学 | Special simple gastric juice pH value measuring device for gastrointestinal hemorrhage |
| CN113116343B (en) * | 2020-01-10 | 2024-05-17 | 中国人民解放军第四军医大学 | Simple gastric juice PH value measuring device special for digestive tract hemorrhage |
| CN117288917A (en) * | 2023-11-27 | 2023-12-26 | 四川旌峰新材料有限公司 | Combustible gas detector |
| CN117288917B (en) * | 2023-11-27 | 2024-01-26 | 四川旌峰新材料有限公司 | Combustible gas detector |
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