CN209215021U - A kind of outdoor dust sampler - Google Patents
A kind of outdoor dust sampler Download PDFInfo
- Publication number
- CN209215021U CN209215021U CN201822165691.7U CN201822165691U CN209215021U CN 209215021 U CN209215021 U CN 209215021U CN 201822165691 U CN201822165691 U CN 201822165691U CN 209215021 U CN209215021 U CN 209215021U
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- China
- Prior art keywords
- fixed ring
- cabinet
- air extractor
- fixed
- sampling
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Abstract
The utility model discloses a kind of outdoor dust samplers, and including cabinet, the sampling head for being placed in the intracorporal air extractor of case, being connect by hose with air extractor, the sampling head setting is at the top of the box body；Air extractor is fixed in cabinet by damping device, and the damping device includes that one end is fixed on the support rod of air extractor bottom, an end cap outside support rod and the other end is fixed on the sleeve of the bottom of box, covers outside sleeve and the damping spring that is connected between cabinet and air extractor.Indirect connections are used between air extractor and cabinet, shock-damping structure can reduce the collision of the two, and reduction internal drive, which shakes, gives cabinet bring amplitude, avoid the generation of fugitive dust, improve the accuracy for using data.
Description
Technical field
The utility model relates to dust to acquire apparatus field, and in particular to a kind of outdoor dust sampler.
Background technique
Dust sampler refers to the portable tools that dust sample is acquired in dust laden air.The dust measured in air is dense
Degree provides scientific basis also for the dust-proof, depositing dust to research, dust suppression other than production safety management needs.With sampling
Device dust measuring is a kind of generally acknowledged higher method of accuracy.It is widely used in disease prevention, environmental monitoring, labour protection, peace
The monitoring of hygiene and evaluation of the departments such as prison, military affairs, research and teaching, metallurgy, petrochemical industry, railway, building materials are exclusively used in measurement production
Dust in air mean concentration in teams and groups workplace.
Existing dust sampler its use such as that application No. is a kind of CN201721603673.1 " explosion-proof type dust samplings
The structure of device ", uses air pump to be evacuated.When using the structure, the severity of air pump vibration, in outdoor environment in use, especially
The vibration in the thicker place of dust accumulation, air pump drives entire sampler to vibrate and then raises the dust of accumulation, leads to subsequent be somebody's turn to do
The test data in region is higher, influences the accuracy of sampled data.
Utility model content
In order to solve the above-mentioned technical problem the utility model provides a kind of outdoor dust sampler.
The utility model is achieved through the following technical solutions:
It is a kind of outdoor dust sampler, including cabinet, be placed in the intracorporal air extractor of case, by hose and air extractor company
The sampling head connect, the sampling head setting is at the top of the box body；
The air extractor is fixed in cabinet by damping device, and the damping device includes that one end is fixed on pumping dress
The support rod in bottom set portion, an end cap are outside support rod and the other end is fixed on the sleeve of the bottom of box, covers outside sleeve and connect
Damping spring between cabinet and air extractor.
Sampling head is arranged at the top of the box body this programme, and when removing filter membrane, filter membrane avoids sampling dust at horizontal
It falls, improves the accuracy for using data.Indirect connections are used between air extractor and cabinet, shock-damping structure can reduce two
The collision of person, reduction internal drive, which shakes, gives cabinet bring amplitude, avoids the generation of fugitive dust, improves the standard for using data
True property.
Preferably, the sampling head includes sampling cylinder ontology, the cover that sampling cylinder ontology one end is arranged in, for connecting
The linkage section of sampling cylinder ontology and hose is fixed with the first fixed ring in the sampling cylinder ontology and is bonded pressure with the first fixed ring
Second fixed ring of tight filter membrane, the internal diameter and outer diameter of first fixed ring not in one plane, and the diameter of the filter membrane
Greater than the outer diameter of the second fixed ring, the cover includes the outer cylinder to match with sampling cylinder ontology and the inner cylinder that is placed in outer cylinder,
The outer diameter of the inner cylinder is equal to the internal diameter of the second fixed ring and the end of inner cylinder is bonded with the first fixed ring, the wall thickness of the inner cylinder
Width greater than the second fixed ring and the first fixed ring is poor.
Further, the described first fixed ring-side wall and its outer diameter place planar diameter are less than 30 degree.
Further, hold-down column is provided in second fixed ring.
Preferably, the damping device has multiple, and it is uniformly arranged on air extractor bottom.
Preferably, being provided with guide hole along its axial direction on the sleeve, it is provided with and is fastened in guide hole on the support rod
Sliding block.
The utility model compared with prior art, has the following advantages and benefits:
1, indirect connections are used between the utility model air extractor and cabinet, shock-damping structure can reduce touching for the two
It hits, reduction internal drive, which shakes, gives cabinet bring amplitude, avoids the generation of fugitive dust, improves the accuracy for using data.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the connection structure diagram of cabinet and air extractor.
Fig. 3 is the cross-sectional view of sampling head.
Fig. 4 is the structural schematic diagram of air extractor in embodiment 4.
Fig. 5 is the structural schematic diagram of cover.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
A kind of outdoor dust sampler as shown in Figure 1, including cabinet 1, the air extractor being placed in cabinet 12, by soft
The sampling head that pipe 3 is connect with air extractor 2,
The top of cabinet 1 is arranged in the sampling head；
As shown in Fig. 2, air extractor 2 is fixed in cabinet 1 by damping device, the damping device includes that one end is fixed
The support rod 51 of 2 bottom of air extractor, an end cap in support rod 51 the outer and other end be fixed on 1 bottom of cabinet sleeve 52,
It covers in the damping spring 53 that sleeve 52 is outer and is connected between cabinet 1 and air extractor 2.
Embodiment 2
The present embodiment optimizes on the basis of the above embodiments, i.e., damping device has multiple and is uniformly arranged on pumping
2 bottom of device.Damping device setting is multiple, it is ensured that damping effect also can be improved in the stationarity of air extractor.
Along its axial setting guide hole on sleeve 52, the sliding block that is fastened in guide hole is set on support rod 51, sliding block with
The cooperation of guide hole avoids the two from being detached from, and guarantees the reliability of connection structure in the handling process.Guide hole can be symmetricly set on sleeve
Diameter both ends.
Embodiment 3
The present embodiment optimizes on the basis of the above embodiments, i.e., as shown in Fig. 3,5, sampling head includes sampling cylinder sheet
Body 41, the cover that 41 one end of sampling cylinder ontology is set, the linkage section 44 for connecting sampling cylinder ontology 41 Yu hose 3, it is described
It is fixed with the first fixed ring 42 in sampling cylinder ontology 41 and is bonded the second fixed ring 43 for compressing filter membrane, institute with the first fixed ring 42
Not in one plane, and the diameter of the filter membrane is greater than the outer of the second fixed ring 43 to the internal diameter and outer diameter for stating the first fixed ring 42
Diameter, the cover include the outer cylinder 451 to match with sampling cylinder ontology 41 and the inner cylinder 452 being placed in outer cylinder 451, the inner cylinder
452 outer diameter is equal to the internal diameter of the second fixed ring 43 and the end of inner cylinder 452 is bonded with the first fixed ring 42, the inner cylinder 452
Wall thickness be greater than the second fixed ring 43 and the first fixed ring 42 width it is poor.
The diameter of filter membrane is greater than the outer diameter of the second fixed ring 43, and during installation, filter membrane edge is opened towards sampling cylinder ontology
Mouth direction, i.e., upwards, flatness when being installed convenient for the taking-up of filter membrane and filter membrane, and the dust that stress flies up can be carried out again
It collects.Second fixed ring compresses filter membrane, and the width that the wall thickness of inner cylinder 452 is greater than the second fixed ring 43 and the first fixed ring 42 is poor,
Using the fixed ring of this structure, both at horn-like, in sampling process, filter membrane is recessed inwardly, beyond the first fixed ring 42
Part will not be contacted with filter membrane, and the dust of the partial adsorbates is few and can say do not have, and when taking filter membrane, powder will not be adhered on cover
Dirt, since the outer diameter of inner cylinder is equal to the internal diameter of the second fixed ring, inner cylinder completely cuts off dust and the second fixed ring, removes second
Dust will not be equally adhered to when fixed ring, that is, uses the present apparatus, it is ensured that sampling dust is adsorbed by filter membrane completely, improves hits
According to accuracy, improve the accuracy of follow-up test.Future is reliable convenient for the compression of the second fixed ring 43 of taking-up and raising filter membrane
Property, it is provided with hold-down column 431 on it.Future improves the reliability that filter membrane compresses, 42 side wall of the first fixed ring and its outer diameter institute
In planar diameter less than 30 degree.
Embodiment 4
The present embodiment optimizes on the basis of the above embodiments, as shown in figure 4, i.e. air extractor 2 includes and hose 3
21, two exhaust tubes being connected to exhaust chamber 21 22 of exhaust chamber of connection, the piston 23 being placed in exhaust tube 22 and it is connected to work
The piston rod 24 on 23 is filled in, being arranged on the exhaust tube 22 only allows gas to discharge from 22 1 side of exhaust tube to 21 side of exhaust chamber
The first one-way cock 25, the exhaust pipe that is connected to exhaust tube 22, institute are set between first one-way cock 25 and piston 23
State the second one-way valve door 26 for being provided on exhaust pipe and only gas being allowed to discharge outward from 22 side of exhaust tube；Two piston rods 24
It is arranged in parallel and is separately positioned on 27 two sides of gear, it is axially disposed on the piston rod 24 to have the tooth being meshed with gear 27,
The gear 27 is fixed on the drive means.One end of the piston rod 24 is placed in guide cylinder 28, and one end of guide cylinder is solid
It fixed end and is fixed in a shell, another end cap is outside piston rod.Driving device can sample mute motor.
Two settings of piston rod 24 are in 27 two sides of gear, and when gear rotates, two piston rods 24 move round about, such as
Shown in Fig. 4, when a piston rod 24 moves up under the driving of gear, in first one-way cock 25, second one-way valve door 26
Under effect, which starts pumping action, and another exhaust tube 22 starts exhaust event；When the piston rod 24 is moved to pumping
When the top of pipe 22, gear is rotated backward, and when which moves down under the driving of gear, which starts
Exhaust event, another exhaust tube 22 starts pumping action, to realize that exhaust chamber 21 is continuously evacuated, realizes that dust is adopted
Sample.
Motor at the uniform velocity period rotating forward, reversion are controlled, the at the uniform velocity air inlet of sampling head one end can be realized.It is existing generally air pump with
Flow sensor is set in the access between sampling head, still, using this structure, the setting of sensor can be saved, simplify structure
Setting.It is operated using control device control driving device, driving device on & off switch is provided on control device and for driving
Device starts and stops the time set of timing.This realizes traffic statistics using the present apparatus with the following method: known exhaust tube
The revolving speed V of 22 internal diameter R, motor, time set measurement motor open and stop working between time difference T, then flow is π *
(R/2)2V*T。
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (6)
1. it is a kind of outdoor dust sampler, including cabinet (1), the air extractor (2) being placed in cabinet (1), by hose (3) with
The sampling head of air extractor (2) connection, it is characterised in that:
Top of the sampling head setting in cabinet (1)；
The air extractor (2) is fixed in cabinet (1) by damping device, and the damping device includes that one end is fixed on pumping
The support rod (51) of device (2) bottom, an end cap support rod (51) outside and the other end is fixed on the sleeve of cabinet (1) bottom
(52), cover sleeve (52) outside and the damping spring (53) that is connected between cabinet (1) and air extractor (2).
2. a kind of outdoor dust sampler according to claim 1, which is characterized in that the sampling head includes sampling cylinder sheet
Body (41), the setting cover in sampling cylinder ontology (41) one end, the linkage section for connecting sampling cylinder ontology (41) Yu hose (3)
(44), the first fixed ring (42) is fixed in the sampling cylinder ontology (41) and compression filter membrane is bonded with the first fixed ring (42)
Second fixed ring (43), the internal diameter and outer diameter of first fixed ring (42) not in one plane, and the diameter of the filter membrane
Greater than the outer diameter of the second fixed ring (43), the cover includes the outer cylinder (451) to match with sampling cylinder ontology (41) and is placed in
Inner cylinder (452) in outer cylinder (451), the outer diameter of the inner cylinder (452) are equal to the internal diameter and inner cylinder (452) of the second fixed ring (43)
End be bonded with the first fixed ring (42), the wall thickness of the inner cylinder (452) is greater than the second fixed ring (43) and the first fixed ring
(42) width is poor.
3. a kind of outdoor dust sampler according to claim 2, which is characterized in that the first fixed ring (42) side wall
With planar diameter where its outer diameter less than 30 degree.
4. a kind of outdoor dust sampler according to claim 2, which is characterized in that set on second fixed ring (43)
It is equipped with hold-down column (431).
5. a kind of outdoor dust sampler according to claim 1, which is characterized in that the damping device have it is multiple, and
It is uniformly arranged on air extractor (2) bottom.
6. a kind of outdoor dust sampler according to claim 1, which is characterized in that along its axial direction on the sleeve (52)
It is provided with guide hole, is provided with the sliding block being fastened in guide hole on the support rod (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822165691.7U CN209215021U (en) | 2018-12-24 | 2018-12-24 | A kind of outdoor dust sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822165691.7U CN209215021U (en) | 2018-12-24 | 2018-12-24 | A kind of outdoor dust sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209215021U true CN209215021U (en) | 2019-08-06 |
Family
ID=67465737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822165691.7U Expired - Fee Related CN209215021U (en) | 2018-12-24 | 2018-12-24 | A kind of outdoor dust sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209215021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406227A (en) * | 2018-12-24 | 2019-03-01 | 西藏净源科技有限公司 | A kind of low vibration dust sampler |
-
2018
- 2018-12-24 CN CN201822165691.7U patent/CN209215021U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406227A (en) * | 2018-12-24 | 2019-03-01 | 西藏净源科技有限公司 | A kind of low vibration dust sampler |
| CN109406227B (en) * | 2018-12-24 | 2024-04-19 | 西藏净源科技有限公司 | Low-vibration dust sampler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20201224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |