CN207456871U - the sampling head mechanism of individual dust sampler - Google Patents
the sampling head mechanism of individual dust sampler Download PDFInfo
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- CN207456871U CN207456871U CN201721434337.9U CN201721434337U CN207456871U CN 207456871 U CN207456871 U CN 207456871U CN 201721434337 U CN201721434337 U CN 201721434337U CN 207456871 U CN207456871 U CN 207456871U
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- filter membrane
- carrying case
- filter
- membrane clip
- clip
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Abstract
The utility model discloses the sampling head mechanisms of individual dust sampler, including carrying case, the inside of carrying case is circular cylindrical cavity, and the part extended downwardly is spherical cavity, the one side of carrying case is provided with admission line, and admission line is connected with the upper cylindrical cavity of carrying case, and the opposite side of carrying case is threaded with threaded tube, threaded tube is provided with filter screen with carrying case junction, and carrying case lower spherical cavity bottom is threaded with coarse granule storage box；Further include the first filter membrane clip, the second filter membrane clip, filter membrane is provided between first filter membrane clip and the second filter membrane clip, the filter hole of filter membrane is less than the filter hole of filter screen, first filter membrane clip and the second filter membrane clip are connected through a screw thread, and the one end of the first filter membrane clip away from the second filter membrane clip is connected with the one end of threaded tube away from carrying case.The setting of filter screen is to be deposited to coarse granule storage box for the ease of larger-diameter dust particles.Filter membrane gathers the dust particles by filter screen.
Description
Technical field
The utility model is related to individual dust samplers, and in particular to the sampling head mechanism of individual dust sampler.
Background technology
Dust (dust) refers to the aerial solia particle that suspends.Traditionally to dust there are many title, such as dust, dirt
Angstrom, flue dust, mine dust, sand dust, powder etc., these nouns do not have apparent boundary.International Organization for Standardization, grain size are less than 75
μm solid suspension be defined as dust.One of the main reason for presence of dust is to maintain global warming in an atmosphere, air
In excessive or very few dust will generate disastrous effect to environment.But in live and work, industrial dust is the mankind
The natural enemy of health is the main reason for inducing a variety of diseases.
Dust sampler refers to the portable tools that dust sample is gathered in dust laden air.It is pre- that it is widely used in disease
The health prison of the departments such as anti-, environmental monitoring, labour protection, safety supervision, military affairs, research and teaching, metallurgy, petrochemical industry, railway, building materials
It surveys and evaluates, be exclusively used in measuring dust in air mean concentration in production team workplace.
In the prior art, the sampling head there are individual dust sampler cannot be carried out explicitly according to the size of dust particles
Separately acquisition is unfavorable for understanding in dust bulky grain and the problem of short grained composition situation.
Utility model content
The sampling head that the utility model solves individual dust sampler existing in the prior art cannot be explicitly according to powder
The size of dirt particle carries out separating acquisition, is unfavorable for understanding in dust bulky grain and the problem of short grained composition situation, provides
Bulky grain in dust and little particle can be carried out separate collection by the sampling head mechanism of individual dust sampler when applying,
Understand bulky grain and short grained composition situation in dust convenient for related personnel.
The utility model is achieved through the following technical solutions：
The sampling head mechanism of individual dust sampler, including carrying case, the inside of the carrying case is circular cylindrical cavity, and
The part extended downwardly is spherical cavity, and the one side of the carrying case is provided with admission line, the admission line and carrying case
The connection of upper cylindrical cavity, the opposite side of the carrying case is threaded with threaded tube, and the threaded tube is with containing
Box junction is provided with filter screen, and the carrying case lower spherical cavity bottom is threaded with coarse granule storage box；It further includes
First filter membrane clip, the second filter membrane clip are provided with filter membrane between first filter membrane clip and the second filter membrane clip, the filter membrane
Filter hole is less than the filter hole of filter screen, and first filter membrane clip and the second filter membrane clip are connected through a screw thread, first filter membrane
The one end of folder away from the second filter membrane clip is connected with the one end of threaded tube away from carrying case.Carrying case is cylinder in the utility model
Shape cavity, downward extension portion are spherical cavity, and the one side of carrying case circular cylindrical cavity is connected with admission line, opposite side connection
There is threaded tube, threaded tube is provided with filter screen with carrying case junction, and the setting of filter screen is to be relatively large in diameter in order to prevent
Dust particles by filter screen, larger-diameter dust particles are limited in carrying case, convenient for larger-diameter dust
Grain is deposited to coarse granule storage box.The first filter membrane clip and the second filter membrane clip are connected in one side of the threaded tube away from carrying case,
Be provided with filter membrane between first filter membrane clip and the second filter membrane clip, the setting of the first filter membrane clip and the second filter membrane clip be for the ease of
Filter membrane is fixed, convenient for gathering the dust particles by filter screen.
Further, the sampling head mechanism of individual dust sampler, the spherical cavity inner wall of the carrying case is smooth table
Face.The spherical cavity inner wall smooth of carrying case is to arrive coarse granule storage box for the ease of what the dust particles being relatively large in diameter slid.
Further, the sampling head mechanism of individual dust sampler, further includes steel wire, and the steel wire is arranged on second
Between filter membrane clip and filter membrane, the steel wire is matched with filter screen.Steel wire is arranged between the second filter membrane clip and filter membrane
It is to be fixed for the ease of filter membrane, steel wire, which is arranged on filter membrane rear end, prevents steel wire from collecting small diameter to filter membrane
Dust particles.
Further, the sampling head mechanism of individual dust sampler, the mesh diameter of the filter screen is 5 μm~10 μm.
The mesh diameter of filter screen is dust particles excessive in order to prevent by major diameter dust particles and small for 5 μm~10 μm
Diameter dust particles distinguish.
Further, the sampling head mechanism of individual dust sampler, second filter membrane clip away from the first filter membrane clip one
End is connected with flowmeter.The setting of flowmeter is to gather the flow value of air, and data are provided to calculate dust concentration.
The utility model compared with prior art, has the following advantages and advantages：
1st, the sampling head mechanism of the utility model individual dust sampler, the setting of filter screen are to be relatively large in diameter in order to prevent
Dust particles by filter screen, larger-diameter dust particles are limited in carrying case, convenient for larger-diameter dust
Grain is deposited to coarse granule storage box.
2nd, the sampling head mechanism of the utility model individual dust sampler, the setting of the first filter membrane clip and the second filter membrane clip be
For the ease of filter membrane is fixed, convenient for gathering the dust particles by filter screen.
3rd, the sampling head mechanism of the utility model individual dust sampler, steel wire are arranged on the second filter membrane clip and filter membrane
Between be to be fixed for the ease of filter membrane, steel wire be arranged on filter membrane rear end prevent steel wire to filter membrane collect it is smaller
The dust particles of diameter.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model structure diagram.
Mark and corresponding parts title in attached drawing：
1- carrying cases, 2- admission lines, 3- threaded tubes, 4- filter screens, 5- coarse granules storage box, the first filter membrane clips of 6-,
The second filter membrane clips of 7-, 8- filter membranes, 9- steel wires, 10- flowmeters.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, 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
As shown in Figure 1, the sampling head mechanism of individual dust sampler, including carrying case 1, the inside of the carrying case 1 is
Circular cylindrical cavity, and the part extended downwardly is spherical cavity, the spherical cavity inner wall of the carrying case 1 are smooth surface, institute
The one side for stating carrying case 1 is provided with admission line 2, and the admission line 2 is connected with the upper cylindrical cavity of carrying case 1, institute
The opposite side for stating carrying case 1 is threaded with threaded tube 3, and the threaded tube 3 is provided with filter screen with 1 junction of carrying case
4, the mesh diameter of the filter screen 4 is 5 μm~10 μm, and the 1 lower spherical cavity bottom of carrying case is threaded with thick
Grain storage box 5；The first filter membrane clip 6, the second filter membrane clip 7 are further included, is set between 6 and second filter membrane clip 7 of the first filter membrane clip
There is filter membrane 8, the one end of second filter membrane clip 7 away from the first filter membrane clip 6 is connected with flowmeter 10, the mistake of the filter membrane 8
Filter opening is less than the filter hole of filter screen 4, and 6 and second filter membrane clip 7 of the first filter membrane clip is connected through a screw thread, first filter membrane
6 one end away from the second filter membrane clip 7 of folder is connected with the one end of threaded tube away from carrying case 1, further includes steel wire 9, the steel
Silk screen 9 is arranged between the second filter membrane clip 7 and filter membrane 8, and the steel wire 9 is matched with filter membrane 8.
Carrying case 1 is made of stainless steel in the utility model, and carrying case 1 is circular cylindrical cavity, extends downwardly portion
It is divided into spherical cavity, the inner wall surface of circular cylindrical cavity and spherical cavity is smooth, and the one side of 1 circular cylindrical cavity of carrying case is connected with
Admission line 2,2 internal diameter of admission line is ascending, prevents sludge from entering admission line 2.The opposite side of carrying case 1 is connected with spiral shell
Line pipeline 3, threaded tube 3 are made of steel stainless steel material, and threaded tube 3 is provided with filter screen 4 with 1 junction of carrying case,
The mesh diameter of filter screen 4 is 6 μm, and filter screen 4 prevents dust particles of the diameter more than 6 μm that by filter screen 4, diameter is more than
6 μm of dust particles are limited in carrying case 1, and coarse granule storage box 5 is deposited to convenient for dust particles of the diameter more than 6 μm, right
Diameter also has 50% stop rate in 5 μm or so of dust particles.Coarse granule storage box 5 is made of stainless steel, and is passed through
The screw thread of upper end is tightened on the lower end of carrying case 1.6 He of the first filter membrane clip is connected in one side of the threaded tube 3 away from carrying case
Second filter membrane clip 7, is provided with filter membrane 8 between the first filter membrane clip 6 and the second filter membrane clip 7, steel wire 9 is arranged on the second filter membrane clip
It is to be fixed for the ease of filter membrane 8 between 7 and filter membrane 8, steel wire 9, which is arranged on 8 rear end of filter membrane, prevents that steel wire 9 is right
Filter membrane 8 collects the dust particles of small diameter, and the setting of the first filter membrane clip 6 and the second filter membrane clip 7 is for the ease of to filtering
Film 8 is fixed, convenient for gathering the dust particles by filter screen 5.
Above-described specific embodiment, the purpose of this utility model, technical solution and advantageous effect have been carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection 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 (5)
1. the sampling head mechanism of individual dust sampler, which is characterized in that including carrying case (1), the inside of the carrying case (1)
For circular cylindrical cavity, and the part extended downwardly is spherical cavity, and the one side of the carrying case (1) is provided with admission line (2),
The admission line (2) connects with the upper cylindrical cavity of carrying case (1), and the opposite side of the carrying case (1) is threadedly coupled
There is a threaded tube (3), the threaded tube (3) and carrying case (1) junction are provided with filter screen (4), under the carrying case (1)
Portion's spherical cavity bottom thread is connected with coarse granule storage box (5)；Further include the first filter membrane clip (6), the second filter membrane clip (7), institute
It states and filter membrane (8) is provided between the first filter membrane clip (6) and the second filter membrane clip (7), the filter hole of the filter membrane (8) was less than
The filter hole of strainer (4), first filter membrane clip (6) and the second filter membrane clip (7) are connected through a screw thread, first filter membrane clip
(6) one end away from the second filter membrane clip (7) is connected with the one end of threaded tube away from carrying case (1).
2. the sampling head mechanism of individual dust sampler according to claim 1, which is characterized in that the carrying case (1)
Spherical cavity inner wall be smooth surface.
3. the sampling head mechanism of individual dust sampler according to claim 1, which is characterized in that further include steel wire
(9), the steel wire (9) is arranged between the second filter membrane clip (7) and filter membrane (8), the steel wire (9) and filter membrane (8)
Matching.
4. the sampling head mechanism of individual dust sampler according to claim 1, which is characterized in that the filter screen (4)
Mesh diameter be 5 μm~10 μm.
5. the sampling head mechanism of individual dust sampler according to claim 1, which is characterized in that second filter membrane clip
(7) one end away from the first filter membrane clip (6) is connected with flowmeter (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721434337.9U CN207456871U (en) | 2017-10-31 | 2017-10-31 | the sampling head mechanism of individual dust sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721434337.9U CN207456871U (en) | 2017-10-31 | 2017-10-31 | the sampling head mechanism of individual dust sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207456871U true CN207456871U (en) | 2018-06-05 |
Family
ID=62253095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721434337.9U Active CN207456871U (en) | 2017-10-31 | 2017-10-31 | the sampling head mechanism of individual dust sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207456871U (en) |
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2017
- 2017-10-31 CN CN201721434337.9U patent/CN207456871U/en active Active
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