CN213933509U - Mask particulate matter filtration efficiency tester - Google Patents
Mask particulate matter filtration efficiency tester Download PDFInfo
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- CN213933509U CN213933509U CN202022984425.4U CN202022984425U CN213933509U CN 213933509 U CN213933509 U CN 213933509U CN 202022984425 U CN202022984425 U CN 202022984425U CN 213933509 U CN213933509 U CN 213933509U
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Abstract
The utility model provides a gauze mask particulate matter filtration efficiency tester belongs to gauze mask detection technical field. This gauze mask particulate matter filtration efficiency tester includes strutting arrangement and test equipment. The utility model discloses a test device for mask particulate matter filtration efficiency, including support plate, supporting column, test equipment, test chamber, elevating plate, test chamber, support device includes backup pad and support column, the support column is fixed the bottom of backup pad, test equipment includes gauze mask particulate matter filtration efficiency tester body, threaded rod and sample thief, gauze mask particulate matter filtration efficiency tester body is fixed the top surface of backup pad, the upper end in test chamber is fixed with the cavity, the bottom intercommunication of cavity is fixed with the hollow tube, the elevating plate with the internal surface sliding connection in test chamber, the top surface joint of sample thief has the sleeve, telescopic top surface is fixed with the support frame, the sleeve with it is fixed through coupling assembling between the sample thief. The utility model discloses can make things convenient for more when the test to fix the gauze mask, detect more convenient high-efficient.
Description
Technical Field
The utility model relates to a gauze mask detection area particularly, relates to a gauze mask particulate matter filtration efficiency tester.
Background
The protective mask is a respiratory protection article aiming at preventing the transmission of certain respiratory infectious microorganisms and protecting the health of human bodies.
At present, current gauze mask particulate matter filtration efficiency tester fixes convenient and more loaded down with trivial details inadequately to the gauze mask during the detection, and the operation is more troublesome.
SUMMERY OF THE UTILITY MODEL
In order to compensate above not enough, the utility model provides a gauze mask particulate matter filtration efficiency tester aims at improving gauze mask particulate matter filtration efficiency tester, and is inconvenient to carry out the problem fixed to the gauze mask.
The utility model discloses a realize like this:
the utility model provides a gauze mask particulate matter filtration efficiency tester, including strutting arrangement and test equipment.
The supporting device comprises a supporting plate and a supporting column, the supporting column is fixed at the bottom of the supporting plate, the testing equipment comprises a mask particulate matter filtering efficiency tester body, a fixed plate, a threaded rod and a sampler, the mask particulate matter filtering efficiency tester body is fixed at the top surface of the supporting plate, a testing cavity is formed at one side of the mask particulate matter filtering efficiency tester body, the fixed plate is fixed in the testing cavity, a cavity is fixed at the upper end of the fixed plate, a hollow tube is fixedly communicated with the bottom of the cavity, connecting tubes are fixedly communicated with the two sides of the hollow tube, the threaded rod is rotatably connected in the testing cavity, an internal thread barrel is screwed on the outer surface of the threaded rod, a lifting plate is fixed on the top surface of the internal thread barrel, and the lifting plate is in sliding connection with the inner surface of the testing cavity, the draw-in groove has been seted up to the both sides bottom of lifter plate, the tip of connecting pipe with the draw-in groove intercommunication, the sample thief spiro union is in the inside in test chamber, the top surface joint of sample thief has the sleeve, telescopic top surface is fixed with the support frame, the sleeve with it is fixed through coupling assembling between the sample thief.
The utility model discloses an in the embodiment, the support column symmetry is provided with four, be fixed with between the support column and put the thing board.
In an embodiment of the present invention, the bottom of the supporting column is fixed with a moving component.
The utility model discloses an in one embodiment, remove the subassembly and include diaphragm and moving member, the diaphragm is fixed the bottom of support column, the moving member is installed the bottom of diaphragm, the balancing piece is installed to one side of moving member.
The utility model discloses an in one embodiment, the balancing piece includes first screw thread post and supporting pad, first screw thread post spiro union is in the inside of diaphragm, the supporting pad is fixed the bottom of first screw thread post, the end key connection of first screw thread post has first rotation portion, first rotation portion is located the diaphragm top surface.
In an embodiment of the present invention, the bottom of the testing chamber is fixed with a second threaded column, the bottom of the sampler is fixed with an internal threaded ring matched with the second threaded column, the internal threaded ring is screwed on the outer surface of the second threaded column.
The utility model discloses an in one embodiment, first recess has been seted up all around to the draw-in groove, the inside of first recess is fixed with the sealing layer, telescopic top surface be fixed with first recess assorted annular flange, the annular flange joint is in the inside of first recess.
In an embodiment of the present invention, a second rotating portion is fixed to an outer surface of the threaded rod, and the second rotating portion is located at a lower end of the outer surface of the threaded rod.
The utility model discloses an in one embodiment, coupling assembling includes connecting rod, elastic component, bracing piece, couple, first connecting block and second connecting block, the second recess has been seted up to the inside of connecting rod, the elastic component sets up the inside of second recess, the bracing piece with the inside sliding connection of second recess, the bracing piece is fixed the tip of elastic component, couple integrated into one piece is in the tip of bracing piece, the one end of first connecting block with the fixed surface of connecting rod is connected, the other end of first connecting block with the surface lower extreme of sample thief rotates and connects, the end fixing of second connecting block is in telescopic surface, the couple joint is in the surface of second connecting block.
The utility model discloses an in one embodiment, the inside upper end of second recess is fixed with first stopper, the surface lower extreme of bracing piece be fixed with first stopper assorted second stopper.
The utility model has the advantages that: the utility model discloses a gauze mask particulate matter filtration efficiency tester that above-mentioned design obtained, during the use, pass through the sample thief on the second screw post of internal thread ring spiro union to test intracavity portion, then place the top surface of sample thief with the sleeve and fix through coupling assembling, at this moment place the top surface at the support frame with the gauze mask, through rotating the threaded rod, make internal thread section of thick bamboo drive lifter plate downstream, make the top surface of draw-in groove joint to the support frame, extrude fixedly and guarantee the leakproofness to the gauze mask, then through gauze mask particulate matter filtration efficiency tester body work, utilize cavity and connecting pipe to ventilate to the gauze mask, the bacterium through the inside culture dish surface of sample thief at last how much tests, can more conveniently fix the gauze mask when testing like this, it is more convenient high-efficient to detect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a first view structure of a mask particulate matter filtering efficiency tester provided by an embodiment of the present invention;
fig. 2 is a schematic view of a partial section structure of a testing device of a mask particulate matter filtering efficiency tester provided by an embodiment of the present invention;
fig. 3 is a schematic view of a cross-sectional structure of a connecting assembly of the mask particulate matter filtration efficiency tester provided by the embodiment of the present invention;
FIG. 4 is an enlarged view of the point A in FIG. 2 according to the present invention;
fig. 5 is an enlarged view of the point B in fig. 2 according to the present invention.
In the figure: 100-a support device; 110-a support plate; 120-support column; 130-a moving assembly; 131-a transverse plate; 132-a moving member; 140-a balance; 141-a first threaded post; 142-a support pad; 143-a first rotating part; 150-a storage plate; 200-test equipment; 210-a mask particulate matter filtration efficiency tester body; 211-a test chamber; 212-a second threaded post; 220-a fixed plate; 221-a cavity; 222-a hollow tube; 230-connecting pipe; 240-threaded rod; 241-an internal thread cylinder; 242-a lifter plate; 243-card slot; 244-a first groove; 245-a sealing layer; 246-a second rotating part; 250-a sampler; 251-an internally threaded ring; 260-a sleeve; 261-a support frame; 262-an annular flange; 270-a connection assembly; 271-a connecting rod; 272-a second groove; 2721-a first stopper; 273-elastic member; 274-support bars; 2741-second stop block; 275-hook; 276-first connection block; 277-second connecting block.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1-5, the present invention provides a technical solution: a mask particulate matter filtering efficiency tester comprises a supporting device 100 and a testing device 200.
The testing device 200 is fixed on the top surface of the supporting device 100 and is used for detecting the mask.
Referring to fig. 1, the supporting device 100 includes a supporting plate 110 and a supporting pillar 120, wherein the supporting pillar 120 is fixed at the bottom of the supporting plate 110; the support column 120 symmetry is provided with four, is fixed with between the support column 120 and puts the thing board 150, can strengthen the intensity between the support column 120 through putting the setting of thing board 150, conveniently carries out article simultaneously and places.
The moving assembly 130 is fixed at the bottom of the supporting column 120, the moving assembly 130 comprises a transverse plate 131 and moving members 132, the transverse plate 131 is fixed at the bottom of the supporting column 120, the moving members 132 are installed at the bottom of the transverse plate 131, one side of each moving member 132 is provided with a balancing member 140, the moving members 132 are universal wheels, and the moving members 132 can be conveniently moved; the balance member 140 includes a first threaded column 141 and a supporting pad 142, the first threaded column 141 is screwed in the transverse plate 131, the supporting pad 142 is fixed at the bottom of the first threaded column 141, the end of the first threaded column 141 is keyed with a first rotating portion 143, the first rotating portion 143 is located on the top surface of the transverse plate 131, the first rotating portion 143 is a knob, the first threaded column 141 is driven to rotate by the first rotating portion 143, the supporting pad 142 is in contact with the ground, and balance adjustment and supporting can be conveniently performed.
Referring to fig. 1 to 5, the testing apparatus 200 includes a mask particulate filtering efficiency tester body 210, a fixing plate 220, a threaded rod 240 and a sampler 250, the mask particulate filtering efficiency tester body 210 is fixed on the top surface of a supporting plate 110, a testing cavity 211 is formed on one side of the mask particulate filtering efficiency tester body 210, the fixing plate 220 is fixed inside the testing cavity 211, here, the cavity 221 is communicated with the mask particulate filtering efficiency tester body 210 through a hose, the upper end of the fixing plate 220 is fixed with the cavity 221, the bottom of the cavity 221 is communicated with and fixed with a hollow tube 222, two sides of the hollow tube 222 are communicated with and fixed with a connecting tube 230, the threaded rod 240 is rotatably connected inside the testing cavity 211, an internal thread cylinder 241 is screwed on the outer surface of the threaded rod 240, a lifting plate 242 is fixed on the top surface of the internal thread cylinder 241, the lifting plate 242, clamping grooves 243 are formed in the bottoms of the two sides of the lifting plate 242, the end portion of the connecting pipe 230 is communicated with the clamping grooves 243, the sampler 250 is screwed in the test cavity 211, a sleeve 260 is clamped on the top surface of the sampler 250, a supporting frame 261 is fixed on the top surface of the sleeve 260, and the sleeve 260 and the sampler 250 are fixed through a connecting assembly 270.
The bottom of the testing cavity 211 is fixed with a second threaded column 212, the bottom of the sampler 250 is fixed with an internal threaded ring 251 matched with the second threaded column 212, and the internal threaded ring 251 is screwed on the outer surface of the second threaded column 212, so that the second threaded column 212 and the internal threaded ring 251 can be conveniently fixed on the sampler 250, and the stability in the testing process is improved.
The second rotating portion 246 is fixed to the outer surface of the threaded rod 240, and the second rotating portion 246 is located at the lower end of the outer surface of the threaded rod 240, where the threaded rod 240 can be conveniently rotated by the provision of the second rotating portion 246.
The connection assembly 270 includes a connection rod 271, an elastic member 273, a support rod 274, a hook 275, a first connection block 276 and a second connection block 277, the connection rod 271 has a second groove 272 formed therein, the elastic member 273 is disposed in the second groove 272, the support rod 274 is slidably connected to the inside of the second groove 272, the support rod 274 is fixed to an end of the elastic member 273, the elastic member 273 is a spring, the hook 275 is integrally formed at the end of the support rod 274, one end of the first connecting block 276 is fixedly connected to the outer surface of the connecting rod 271, the other end of the first connecting block 276 is rotatably connected to the lower end of the outer surface of the sampler 250, the end of the second connecting block 277 is fixed to the outer surface of the sleeve 260, the hook 275 is engaged with the outer surface of the second connecting block 277, the hook 275 is engaged with the surface of the second connecting block 277, the supporting rod 274 drives the elastic member 273 to deform, and the elasticity of the elastic member 273 can be used for enabling the sleeve 260 to be clamped on the top surface of the sampler 250 more stably.
It should be noted here that the sampler 250 is divided into six stages for the andrun sampler 250, four hundred holes are distributed in each stage, and the sizes of the holes are reduced from top to bottom, and meanwhile, a culture dish is placed on each stage during testing.
A first limiting block 2721 is fixed at the upper end of the inside of the second groove 272, and a second limiting block 2741 matched with the first limiting block 2721 is fixed at the lower end of the outer surface of the supporting rod 274, so that the supporting rod 274 can be prevented from being separated from the inside of the second groove 272 to influence use.
Specifically, this gauze mask particulate matter filtration efficiency tester's theory of operation: during the use, on passing through the second screw post 212 of internal thread ring 251 spiro union to test cavity 211 inside with sample thief 250, then place sample thief 250's top surface and fix through coupling assembling 270 with sleeve 260, at this moment place the top surface at support frame 261 with the gauze mask, it is rotatory to drive threaded rod 240 through second rotating part 246, make internal thread section of thick bamboo 241 drive lifter plate 242 downstream, make draw-in groove 243 joint to support frame 261's top surface, extrude fixedly and guarantee the leakproofness to the gauze mask, then work through gauze mask particulate matter efficiency tester body 210, utilize cavity 221 and connecting pipe 230 to ventilate to the gauze mask, it tests how much through the bacterium on the inside culture dish surface of sample thief 250 at last, can more conveniently fix the gauze mask when testing like this, detect more convenient high-efficient.
It should be noted that the specific model specifications of the mask particulate matter filtering efficiency tester body 210 and the sampler 250 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply and the principle of the mask particulate matter filtering efficiency tester body 210 and the sampler 250 are clear to those skilled in the art and will not be described in detail herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A mask particulate matter filtering efficiency tester is characterized by comprising
The supporting device (100) comprises a supporting plate (110) and a supporting column (120), wherein the supporting column (120) is fixed at the bottom of the supporting plate (110);
the testing device (200) comprises a mask particulate matter filtering efficiency tester body (210), a fixing plate (220), a threaded rod (240) and a sampler (250), wherein the mask particulate matter filtering efficiency tester body (210) is fixed on the top surface of the supporting plate (110), a testing cavity (211) is formed in one side of the mask particulate matter filtering efficiency tester body (210), the fixing plate (220) is fixed in the testing cavity (211), a cavity (221) is fixed at the upper end of the fixing plate (220), a hollow tube (222) is fixedly communicated with the bottom of the cavity (221), connecting tubes (230) are fixedly communicated with the two sides of the hollow tube (222), the threaded rod (240) is rotatably connected in the testing cavity (211), and an internal thread barrel (241) is screwed on the outer surface of the threaded rod (240), the top surface of an internal thread section of thick bamboo (241) is fixed with lifter plate (242), lifter plate (242) with the internal surface sliding connection of test chamber (211), draw-in groove (243) have been seted up to the both sides bottom of lifter plate (242), the tip of connecting pipe (230) with draw-in groove (243) intercommunication, sample thief (250) spiro union is in the inside of test chamber (211), the top surface joint of sample thief (250) has sleeve (260), the top surface of sleeve (260) is fixed with support frame (261), sleeve (260) with it is fixed through coupling assembling (270) between sample thief (250).
2. The mask particulate matter filtering efficiency tester according to claim 1, wherein four support columns (120) are symmetrically arranged, and an object placing plate (150) is fixed between the support columns (120).
3. The mask particulate matter filtration efficiency tester of claim 1, wherein a moving assembly (130) is fixed to a bottom of the support column (120).
4. The mask particulate matter filtering efficiency tester according to claim 3, wherein the moving assembly (130) comprises a transverse plate (131) and a moving member (132), the transverse plate (131) is fixed at the bottom of the supporting column (120), the moving member (132) is installed at the bottom of the transverse plate (131), and a balancing member (140) is installed at one side of the moving member (132).
5. The mask particulate matter filtering efficiency tester according to claim 4, wherein the balance member (140) comprises a first threaded column (141) and a supporting pad (142), the first threaded column (141) is screwed inside the transverse plate (131), the supporting pad (142) is fixed at the bottom of the first threaded column (141), a first rotating portion (143) is connected to the end of the first threaded column (141) in a keyed mode, and the first rotating portion (143) is located on the top surface of the transverse plate (131).
6. The particulate matter filtering efficiency tester for masks according to claim 1, wherein a second threaded column (212) is fixed at the bottom of the testing cavity (211), an internally threaded ring (251) matched with the second threaded column (212) is fixed at the bottom of the sampler (250), and the internally threaded ring (251) is screwed on the outer surface of the second threaded column (212).
7. The mask particulate matter filtering efficiency tester according to claim 1, wherein a first groove (244) is formed around the clamping groove (243), a sealing layer (245) is fixed inside the first groove (244), an annular flange (262) matched with the first groove (244) is fixed on the top surface of the sleeve (260), and the annular flange (262) is clamped inside the first groove (244).
8. The mask particulate matter filtering efficiency tester as claimed in claim 1, wherein a second rotating portion (246) is fixed to an outer surface of the threaded rod (240), the second rotating portion (246) being located at a lower end of the outer surface of the threaded rod (240).
9. The mask particulate matter filtering efficiency tester as claimed in claim 1, wherein the connecting assembly (270) comprises a connecting rod (271), an elastic member (273), a supporting rod (274), a hook (275), a first connecting block (276) and a second connecting block (277), a second groove (272) is opened in the connecting rod (271), the elastic member (273) is disposed in the second groove (272), the supporting rod (274) is slidably connected with the inside of the second groove (272), the supporting rod (274) is fixed at the end of the elastic member (273), the hook (275) is integrally formed at the end of the supporting rod (274), one end of the first connecting block (276) is fixedly connected with the outer surface of the connecting rod (271), and the other end of the first connecting block (276) is rotatably connected with the lower end of the outer surface of the sampler (250), the end of the second connecting block (277) is fixed on the outer surface of the sleeve (260), and the hook (275) is clamped on the outer surface of the second connecting block (277).
10. The mask particulate matter filtering efficiency tester as claimed in claim 9, wherein a first stopper block (2721) is fixed at the upper end inside the second groove (272), and a second stopper block (2741) matched with the first stopper block (2721) is fixed at the lower end of the outer surface of the support rod (274).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022984425.4U CN213933509U (en) | 2020-12-09 | 2020-12-09 | Mask particulate matter filtration efficiency tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022984425.4U CN213933509U (en) | 2020-12-09 | 2020-12-09 | Mask particulate matter filtration efficiency tester |
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| Publication Number | Publication Date |
|---|---|
| CN213933509U true CN213933509U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022984425.4U Active CN213933509U (en) | 2020-12-09 | 2020-12-09 | Mask particulate matter filtration efficiency tester |
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| CN (1) | CN213933509U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032133A (en) * | 2022-06-06 | 2022-09-09 | 中国中医科学院中药研究所 | Endothelial cell monolayer permeability detection experimental device |
| CN116908068A (en) * | 2023-06-28 | 2023-10-20 | 江苏工店宝工业科技有限公司 | Automatic particulate matter filtering efficiency tester and testing method thereof |
-
2020
- 2020-12-09 CN CN202022984425.4U patent/CN213933509U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032133A (en) * | 2022-06-06 | 2022-09-09 | 中国中医科学院中药研究所 | Endothelial cell monolayer permeability detection experimental device |
| CN115032133B (en) * | 2022-06-06 | 2024-06-04 | 中国中医科学院中药研究所 | Endothelial cell monolayer permeability detection experimental device |
| CN116908068A (en) * | 2023-06-28 | 2023-10-20 | 江苏工店宝工业科技有限公司 | Automatic particulate matter filtering efficiency tester and testing method thereof |
| CN116908068B (en) * | 2023-06-28 | 2024-03-12 | 江苏工店宝工业科技有限公司 | Automatic particulate matter filtering efficiency tester and testing method thereof |
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