CN209777122U - rotary sectional filter membrane storage box - Google Patents
rotary sectional filter membrane storage box Download PDFInfo
- Publication number
- CN209777122U CN209777122U CN201920275505.7U CN201920275505U CN209777122U CN 209777122 U CN209777122 U CN 209777122U CN 201920275505 U CN201920275505 U CN 201920275505U CN 209777122 U CN209777122 U CN 209777122U
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- China
- Prior art keywords
- filter membrane
- tray
- rotating shaft
- trays
- grooves
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- 239000012528 membrane Substances 0.000 title claims abstract description 124
- 239000000126 substance Substances 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 13
- 238000005070 sampling Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 238000012864 cross contamination Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a box is stored to rotatory merogenesis filter membrane, include: the filter membrane tray comprises a sectional rotating shaft, a filter membrane tray and a top plate, wherein the sectional rotating shaft consists of at least two sections of middle idle shafts; the number of the filter membrane trays is the same as that of the hollow rotating shafts, through holes and hemispherical grooves are respectively formed in two ends of the diameter of each filter membrane tray, each hollow rotating shaft downwards penetrates through the corresponding through hole to be spliced together end to end, hemispherical bulges downwards protrude from the bottom of each filter membrane tray corresponding to the positions of the hemispherical grooves, and filter membrane label clamps are fixed on the side parts of each filter membrane tray; circular grooves are formed in the filter membrane trays, and fan-shaped grooves are formed in the circular grooves; the top plate is positioned at the upper part of the filter membrane tray at the topmost layer. The utility model discloses can be accurate give the filter membrane serial number, can seal the filter membrane simultaneously, prevent that the dust from droing or being polluted from the filter membrane, effectively solve the problem that probably meets in filter membrane serial number and the collection and the transportation, reduce experimental error, improve sampling efficiency.
Description
Technical Field
The utility model belongs to the technical field of occupational health detects, especially involve a rotatory merogenesis filter membrane storage box that is arranged in dust concentration test of workplace air.
background
Dust concentration detection in air of a workplace is carried out according to part 1 of dust measurement in air of a workplace: the total dust concentration (GBZ/T192.1-2007) requires the use of a perchloroethylene or other dust-measuring filter membrane, after sampling, the filter membrane is taken out, the dust-receiving surface of the filter membrane is folded inwards twice, and the filter membrane is placed in a clean container for transportation and storage.
Need weigh and serial number the filter membrane before the dust test, write the serial number on the filter membrane with the marker pen usually at the in-process that the filter membrane was weighed, this process not only can pollute the filter membrane but also can increase experimental error, after the sampling, pile up after the filter membrane fifty percent discount that will adopt the appearance usually and place in the filter membrane box, this process probably arouses the cross contamination between the filter membrane, simultaneously in the filter membrane transportation because the vibration of filter membrane will lead to the dust to drop, cause the dust concentration test accurate inadequately.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a rotatory segmentation filter membrane storage box to solve current filter membrane box and arouse the filter membrane cross contamination easily and carry out the problem that the mark leads to polluting the filter membrane heating experiment error on the filter membrane.
The utility model provides a box is stored to rotatory merogenesis filter membrane, include: the filter membrane tray is provided with a sectional rotating shaft, a filter membrane tray, a top plate and bolts; the section type rotating shaft consists of at least two sections of hollow rotating shafts, and the diameter of the head end of the idle shaft in each section is larger than that of the tail end; the number of the filter membrane trays is the same as that of the hollow rotating shafts, the filter membrane trays and the hollow rotating shafts are in one-to-one correspondence, through holes and hemispherical grooves are respectively formed in two ends, located on the diameter, of each filter membrane tray, each hollow rotating shaft downwards penetrates through the corresponding through hole and is spliced together end to end, rotation of the filter membrane trays around the sectional rotating shafts is achieved, hemispherical bulges downwards protrude from the bottoms of the filter membrane trays corresponding to the hemispherical grooves, and filter membrane label clamps for inserting labels are fixed on the side portions of the filter membrane trays; circular grooves are formed in the filter membrane trays, the diameter of each circular groove is larger than that of the flattened filter membrane, fan-shaped grooves are formed in the circular grooves, and the depth of each fan-shaped groove is larger than the thickness of the filter membrane; the roof is located the upper portion of the filter membrane tray of top layer, has seted up the round hole at the edge of roof, and the bolt passes the round hole downwards and inserts the cavity pivot that is located the top festival, and the diameter of roof is the same with the diameter of filter membrane tray.
In addition, the preferable structure is that a polished rod is inserted into the sectional rotating shaft, the top of the polished rod is provided with a blind hole, and the bottom end of the bolt is inserted into the blind hole.
In addition, the area of the sector groove is preferably 1/4 of the area of the circular groove.
compared with the prior art, the beneficial effects of the utility model are that:
1. The utility model has simple structure, can be connected according to the actual needs of on-site detection, can be combined with the filter membrane tray at will, and is convenient for installation, disassembly and cleaning;
2. Each filter membrane is independently placed before and after sampling, so that the problem of cross contamination caused by stacking and placing the filter membranes in the traditional test method can be effectively solved, and dust falling caused by vibration in the sample transportation process can be prevented;
3. The filter membrane label presss from both sides and can provide only serial number for the filter membrane, solves the problem with pollution and experimental error that the serial number brought on the filter membrane with the pen simultaneously.
Drawings
The invention is further described with reference to the following drawings and detailed description:
FIG. 1 is a schematic structural view of a rotary segmented filter membrane storage case according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a single filter tray according to an embodiment of the present invention;
fig. 3 is a top view of a rotary segmented filter storage case according to an embodiment of the present invention.
In the figure: 1-sectional rotating shaft, 2-filter membrane tray, 21-hemispherical groove, 22-hemispherical protrusion, 23-circular groove, 24-sector groove, 25-through hole, 3-top plate, 4-bolt and filter membrane label clamp-5.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.
As shown in figure 1, the utility model provides a rotatory segmentation filter membrane storage box, include: the filter membrane filter comprises a sectional rotating shaft 1, a filter membrane tray 2, a top plate 3 and bolts 4; the sectional type rotating shaft 1 is made of metal, the sectional type rotating shaft 1 is composed of at least two sections of hollow rotating shafts, the diameter of the end of the idle rotating shaft in each section is larger than that of the tail end, the hollow rotating shafts can be connected together end to end, the filter membrane trays 2 are made of polyethylene or other hard plastics, the number of the filter membrane trays 2 is the same as that of the hollow rotating shafts, hemispherical grooves 21 and through holes 25 are respectively formed in two ends, located on each filter membrane tray 2, of the diameter, each hollow rotating shaft penetrates through the corresponding through holes downwards and is connected together in an inserted mode end to end, rotation of the filter membrane trays 2 around the sectional type rotating shaft 1 is achieved, each filter membrane tray can independently rotate around the sectional type rotating shaft 1, and the unfolded rotary sectional filter membrane storage box is shown in figure 3.
Because the sectional rotating shaft 1 can be disassembled, the filter membrane tray 2 can be combined at will, and the installation, the disassembly and the cleaning of the rotary sectional filter membrane storage box are convenient.
Figure 2 is the structure that shows the single filter membrane tray that the embodiment of the utility model provides.
As shown in fig. 2, hemispherical protrusions 22 are respectively protruded downwards at positions corresponding to the hemispherical recesses 21 at the bottom of the filter membrane tray 2, and the hemispherical protrusions 22 of each filter membrane tray 2 can be snapped into the hemispherical recesses 21 of the upper filter membrane tray 2, thereby fixing the upper and lower filter membrane trays 2. When it is desired to rotate a certain filter tray 2, a pushing force is applied to the filter tray 2 to disengage the hemispherical protrusions 22 from the hemispherical recesses 21.
A circular groove 23 is arranged in the filter membrane tray 2, the diameter of the circular groove 23 is slightly larger than that of the flattened filter membrane for storing the filter membrane to be sampled after weighing, two specifications can be manufactured according to the actual working requirement, one is slightly larger than 40mm, and the other is slightly larger than 75mm (the dust concentration in the air is less than or equal to 50 mg/m)3Using a filter membrane with the diameter of 37mm or 40 mm; the dust concentration is more than or equal to 50mg/m3A filter membrane with the diameter of 75mm is used), a fan-shaped groove 24 is arranged in the circular groove 23, the depth of the fan-shaped groove 24 is larger than the thickness of the filter membrane, and the advantages are goodoptionally, the depth of the fan-shaped groove 24 is more than four times of the thickness of the filter membrane, and is used for folding twice to form a fan-shaped filter membrane sample after sampling, and in order to prevent the filter membrane sample from vibrating in the transportation process, the area of the fan-shaped groove 24 is preferably 1/4 of the area of the circular groove 23.
Because the filter membrane that waits to sample is deposited in circular recess 23, and the filter membrane after the sample is deposited in fan-shaped groove 24, so can know, the filter membrane before and after the sample can independently exist, can effectively solve the filter membrane among the traditional test method and pile up and place the problem that arouses cross contamination.
Still be fixed with filter membrane label holder 5 at the lateral part of filter membrane tray 2, filter membrane label holder 5 is the transparent plastic material, and the filter membrane label holder 5 about and the lower limb seals up on filter membrane tray 2, the top edge opening of filter membrane label holder 5 for insert the label, so that for the filter membrane serial number, thereby solve the problem with pollution and experimental error that the pen number brought on the filter membrane.
returning to fig. 1, the top plate 3 is made of metal and is located on the upper portion of the topmost filter membrane tray 2, a round hole is formed in the edge of the top plate 3, the bolt 4 downwards penetrates through the round hole to be inserted into the hollow rotating shaft located in the top section, the diameter of the top plate 3 is the same as that of the filter membrane tray, and the top plate 3 can cover the topmost filter membrane tray 2.
Before carrying out the dust test, place the filter membrane in the desicator earlier more than two hours, connect the dust surface face up with the filter membrane, put into the filter membrane tray one by one in putting into the label that is marked with the filter membrane serial number in the filter membrane label clamp simultaneously, according to the needs of actual work, couple together a plurality of filter membrane trays with segmentation pivot end to end, after connecting, cover the filter membrane tray of top layer with the roof, fix roof and segmentation pivot with the bolt.
In order to ensure the stability of the rotary sectional filter membrane storage box, a polished rod is inserted into the sectional rotating shaft 1, a blind hole is formed in the top end of the polished rod, and the bottom end of a bolt is inserted into the blind hole.
in the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
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 (3)
1. A rotary segmented filter membrane storage case comprising: the filter membrane filter comprises a sectional rotating shaft (1), a filter membrane tray (2), a top plate (3) and bolts (4); wherein the content of the first and second substances,
The sectional rotating shaft (1) consists of at least two sections of hollow rotating shafts, and the diameter of the head end of the idle shaft in each section is larger than that of the tail end;
The number of the filter membrane trays (2) is the same as that of the hollow rotating shafts, the filter membrane trays and the hollow rotating shafts correspond to each other one by one, through holes (25) and hemispherical grooves (21) are respectively formed in two ends of each filter membrane tray (2) located at the diameter, each hollow rotating shaft downwards penetrates through the corresponding through hole (25) and is spliced together end to end, the filter membrane trays (2) rotate around the sectional rotating shaft (1), hemispherical bulges (22) downwards protrude from the positions, corresponding to the hemispherical grooves (21), of the bottoms of the filter membrane trays (2), and filter membrane label clamps (5) for inserting labels are fixed on the side portions of the filter membrane trays (2); circular grooves (23) are formed in the filter membrane trays (2), the diameter of each circular groove (23) is larger than that of the flattened filter membrane, fan-shaped grooves (24) are formed in the circular grooves (23), and the depth of each fan-shaped groove (24) is larger than the thickness of the filter membrane;
The top plate (3) is positioned at the upper part of the topmost filter membrane tray (2), a round hole is formed in the edge of the top plate (3), the bolt (4) downwards penetrates through the round hole to be inserted into the hollow rotating shaft positioned in the top section, and the diameter of the top plate (3) is the same as that of the filter membrane tray (2).
2. The storage case for rotary segmented filter membranes as claimed in claim 1, wherein a polish rod is inserted into the segmented shaft (1), a blind hole is opened on the top of the polish rod, and the bottom end of the bolt is inserted into the blind hole.
3. The rotary segmented filter membrane magazine as claimed in claim 1, wherein the sector grooves (24) have an area of 1/4 of the area of the circular recess (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920275505.7U CN209777122U (en) | 2019-03-05 | 2019-03-05 | rotary sectional filter membrane storage box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920275505.7U CN209777122U (en) | 2019-03-05 | 2019-03-05 | rotary sectional filter membrane storage box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209777122U true CN209777122U (en) | 2019-12-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920275505.7U Active CN209777122U (en) | 2019-03-05 | 2019-03-05 | rotary sectional filter membrane storage box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209777122U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398082A (en) * | 2020-04-22 | 2020-07-10 | 山东科技大学 | Real-time monitoring device and method for content of free silica in industrial and mining dust |
| CN114081750A (en) * | 2021-12-27 | 2022-02-25 | 青岛市黄岛区中心医院 | Be applied to combination formula nursing box in hemodialysis room |
-
2019
- 2019-03-05 CN CN201920275505.7U patent/CN209777122U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398082A (en) * | 2020-04-22 | 2020-07-10 | 山东科技大学 | Real-time monitoring device and method for content of free silica in industrial and mining dust |
| CN114081750A (en) * | 2021-12-27 | 2022-02-25 | 青岛市黄岛区中心医院 | Be applied to combination formula nursing box in hemodialysis room |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |