CN219567937U - Air microorganism sampling device for natural sedimentation method - Google Patents
Air microorganism sampling device for natural sedimentation method Download PDFInfo
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- CN219567937U CN219567937U CN202320386990.1U CN202320386990U CN219567937U CN 219567937 U CN219567937 U CN 219567937U CN 202320386990 U CN202320386990 U CN 202320386990U CN 219567937 U CN219567937 U CN 219567937U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses a sampling device for an air microorganism natural sedimentation method, and relates to the technical field of sampling devices; comprises a bracket main body, a fixing component and a fixing disc; a limit groove matched with the sampling dish is formed on the fixed disk; the fixing assembly comprises a supporting table in a round table shape, clamping jaw units hinged to the edge of the top end of the supporting table, the clamping jaw units at least comprise two groups, and a plurality of clamping jaw units are distributed around the round table at equal angles; wherein the clamping jaw unit is suitable for being abutted against the side wall of the fixed disc or the sampling dish so as to position the fixed disc or the sampling dish; by adopting the technical scheme provided by the utility model, the staff can be helped to rapidly, efficiently and accurately finish sampling by using the air sampling method.
Description
Technical Field
The utility model relates to the technical field of sampling devices, in particular to an air microorganism sampling device for a natural sedimentation method.
Background
The sampling mode of indoor air microorganisms in public places is divided into a natural sedimentation method and an impact type sampling method, and the natural sedimentation method is widely applied in reality due to the characteristics of simple operation, convenience and rapidness.
In practical application, there is a sampling frame designed for the natural sedimentation method, and most of sampling staff simply place a sampling dish on a table and do not sample according to the sampling standard, so a sampling device is needed to enable the staff to realize standard sampling rapidly.
Disclosure of Invention
The utility model aims to provide an air microorganism sampling device for a natural sedimentation method, so as to solve at least one technical problem.
In order to solve the technical problems, the utility model provides an air microorganism sampling device for a natural sampling method, which comprises a bracket main body, a fixing component and a fixing disc;
a limit groove matched with the sampling dish is formed on the fixed disc;
the fixing assembly comprises a supporting table in a round table shape, clamping jaw units are hinged to the edge of the top end of the supporting table, each clamping jaw unit at least comprises two groups, and a plurality of clamping jaw units are distributed around the round table at equal angles;
wherein the clamping jaw unit is suitable for being abutted against the side wall of the fixed disc or the sampling dish so as to position the fixed disc or the sampling dish;
in the implementation process, the bracket main body is of a fixed height, which can be understood as meeting the sampling height requirement of an air sampling method; after reaching the sampling point, a worker can quickly and accurately erect a proper sampling height by erecting the bracket so as to ensure the accuracy of sampling; after the bracket main body is erected, a worker can fix the sampling dish on the fixed disc, a limiting groove formed on the fixed disc limits the sampling dish, so that the relative fixation of the fixed disc and the sampling dish is realized, then the fixed disc is placed on the fixed assembly, the clamping jaw units are hinged on the supporting table, when the fixed disc is placed between the clamping jaw units, the clamping jaw units rotate around the hinged position to clamp the side wall of the fixed disc so as to realize the clamping fixation of the fixed disc, the fixation of the sampling dish is finally realized, and the stability of the sampling dish in the sampling process is ensured so as to ensure the accuracy of sampling; the sampling dish is fixed through the fixed disc, so that the clamping jaw can be prevented from acting on the sampling dish to scratch the sampling dish, and the sampling dish is protected.
Preferably, the support main body comprises three groups of support legs hinged to the bottom surface of the support table, and the three groups of support legs are suitable for being folded towards the axis of the support table;
in the implementation process, the three groups of supporting feet are arranged, so that the number of the structures can be reduced on the premise of having enough supporting stability, and the effect of simplifying the compression volume of the structures is achieved; the three groups of supporting feet can rotate towards the axle center of the supporting table and are folded, so that the volume is compressed in a non-use state, and the portable supporting foot has the function of being convenient to carry.
Preferably, the supporting leg comprises a first rod body, a second rod body and a sharp part;
the first rod body is hinged to the bottom surface of the supporting table, the second rod body is rotatably arranged at one end of the first rod body far away from the supporting table, and the sharp part is arranged at one end of the second rod body far away from the first rod body;
when the second rod body rotates to be in the same straight line with the first rod body, the second rod body reaches the end point of the rotating stroke;
in the implementation process, if the supporting legs are integrally arranged, the whole length of the supporting legs is still longer, and the supporting legs can be folded by folding the supporting legs, so that the supporting legs can rotate around the middle part to realize folding; when the sampling device is used, the second rod body is rotated until the second rod body and the first rod body are in the same straight line, namely, the unfolding state is completed, after the use is completed, the second rod body is rotated around the reverse direction to be folded and stored, so that the whole sampling device can be stored more conveniently, and the portability of the sampling device is improved.
Preferably, the clamping jaw unit comprises a bearing edge and a clamping edge which are connected with each other, wherein the bearing edge and the clamping edge form an L-shaped structure, and a hinge point hinged with the supporting table is arranged on the bearing edge;
in a natural state, the clamping edge is suitable for overturning towards one side far away from the supporting table and driving the bearing edge to tilt;
the bearing edge is suitable for bearing on the bottom surface of the sampling vessel;
in the implementation process, in a natural state, the state that the fixed disc is not placed yet can be understood, under the action of gravity, the clamping edge can turn over towards one side far away from the supporting table, at the moment, a part of the bearing edge is tilted, when a worker places the fixed disc on the bearing edge, the fixed disc and the sampling dish have certain weight, so that the bearing edge is pressed down, the clamping edge rotates around the hinge joint of the fixed disc, and finally the clamping edge is clamped on the side wall of the fixed disc to fix the fixed disc; the clamping jaw unit is simple in structure, automatic clamping of the clamping jaw unit to the fixed disc is achieved by utilizing the gravity and the lever principle, and the clamping jaw unit is convenient and quick to use.
Preferably, the clamping edge is arc-shaped and arches towards one side far away from the axle center of the supporting table;
in the implementation process, the arc-shaped clamping edge has a moving track which is less prone to shell clamping in the action process, so that the smoothness of the clamping process is ensured.
Preferably, an annular groove is formed in the peripheral wall of the fixed disc, and the clamping jaw unit is suitable for being clamped in the annular groove;
in the implementation process, the annular groove is formed in the outer wall of the fixed disc, so that the clamping stability can be further improved through matching with the clamping jaw unit, and the stability of the fixed disc and the sampling vessel is further guaranteed.
Preferably, soft silica gel is arranged on the inner wall of the limit groove;
in the implementation process, soft silica gel is arranged in the limiting groove, so that the positioning stability of the fixed disc to the sampling dish can be improved, and the loss of the soft silica gel to the sampling dish can be reduced compared with other materials, and the service life of the sampling dish can be prolonged.
Preferably, a receiving groove adapted to receive the fixed disk is formed on a side wall of the support table;
in the realization process, after the use is finished, the fixed disc can be stored in the accommodating groove, and then taken out when being used next time, so that the use convenience is further improved, and the risk of losing the fixed disc can be reduced.
Compared with the prior art, the utility model has the beneficial effects that: according to the scheme, a proper sampling height can be quickly and accurately erected through the support main body, so that the accuracy of sampling is guaranteed, the sampling dish is fixed by matching with the fixed disc, and the stability of a sampling process is guaranteed; the sampling device provided by the scheme can help staff to rapidly, efficiently and accurately finish sampling by using the air sampling method.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic structural view of a fixing assembly according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a fixed disk according to an embodiment of the present utility model;
wherein: 10. supporting feet; 11. a first rod body; 12. a second rod body; 13. a sharp portion; 20. a fixing assembly; 21. a support table; 211. a receiving groove; 22. a jaw unit; 221. clamping edges; 222. a carrying edge; 30. a fixed disc; 31. a limit groove; 32. soft silica gel; 33. an annular groove; 40. the dish was sampled.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "side," "front," "rear," and the like indicate an orientation or a positional relationship based on installation, and are merely for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone.
It should be further noted that, in the embodiments of the present utility model, the same reference numerals denote the same components or the same parts, and for the same parts in the embodiments of the present utility model, reference numerals may be given to only one of the parts or the parts in the drawings, and it should be understood that, for other same parts or parts, the reference numerals are equally applicable.
For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:
examples
In practical application, there are few sampling frames designed for the natural sedimentation method, and most of sampling staff simply put a sampling dish on a table and do not sample according to the sampling standard, so a sampling device is needed so that the staff can realize standard sampling rapidly; in order to solve the above technical problems, the present embodiment provides the following technical solutions:
referring to fig. 1-3, the present embodiment provides an air microorganism sampling device for natural sedimentation, which includes a bracket main body, a fixing component 20 and a fixing disc 30;
specifically, a limiting groove 31 adapted to the sampling vessel 40 is formed on the fixed disk 30;
further, the fixing assembly 20 comprises a supporting table 21 in a shape of a circular table, and clamping jaw units 22 hinged to the edge of the top end of the supporting table 21, wherein each clamping jaw unit 22 at least comprises two groups, and the clamping jaw units 22 are distributed around the circular table at equal angles;
wherein the jaw unit 22 is adapted to abut against a sidewall of the fixed disk 30 or the sampling vessel 40 to position the fixed disk 30 or the sampling vessel 40;
in the above scheme, the bracket main body is of a fixed height, which can be understood as meeting the sampling height requirement of the air sampling method; after reaching the sampling point, a worker can quickly and accurately erect a proper sampling height by erecting the bracket so as to ensure the accuracy of sampling; after the bracket main body is erected, a worker can fix the sampling dish 40 on the fixed disc 30, a limiting groove 31 formed on the fixed disc 30 limits the sampling dish 40, so that the fixed disc 30 and the sampling dish 40 are relatively fixed, then the fixed disc 30 is placed on the fixed assembly 20, the clamping jaw units 22 are hinged on the supporting table 21, when the fixed disc 30 is placed between the clamping jaw units 22, the clamping jaw units 22 rotate around the hinged positions to clamp and fix the side wall of the fixed disc 30 so as to clamp and fix the fixed disc 30, finally, the fixing of the sampling dish 40 is realized, and the stability of the sampling dish 40 in the sampling process is ensured so as to ensure the accuracy of sampling; the sampling vessel 40 is fixed by the fixed disc 30, so that the clamping jaw can be prevented from acting on the sampling vessel 40 to scratch the sampling vessel 40, and the sampling vessel 40 is protected.
In some embodiments, the jaw unit 22 may also clamp directly onto the sidewall of the sampling dish 40; it will be appreciated that the fixed disk 30 may provide protection for the sampling vessel 40 as compared to the manner in which the fixed disk 30 is provided.
Specifically, the jaw unit 22 includes at least two groups; taking two groups as an example, two groups of clamping jaw units 22 can be oppositely arranged; the three groups of clamping jaw units 22 are distributed at an included angle of 120 degrees, so that the fixed disc 30 can be clamped at three positions, and the clamping stability is better; it will be appreciated, of course, that an increase in the number of jaws can increase the degree of clamping to some extent, but will also make the construction more cumbersome and costly.
Specifically, referring to fig. 1, the stand body includes three sets of support legs 10 hinged to the bottom surface of the support table 21, and the three sets of support legs 10 are adapted to be folded toward the axis of the support table 21;
in the above scheme, the three groups of supporting feet 10 can ensure that the number of structures is reduced on the premise of having enough supporting stability, thereby playing a role in simplifying the compression volume of the structures; the three groups of supporting feet 10 can rotate towards the axle center of the supporting table 21 and are folded, so that the volume compression is ensured in the unused state, and the portable effect is realized.
Specifically, the supporting leg 10 includes a first rod 11, a second rod 12, and a sharp portion 13;
further, the first rod 11 is hinged to the bottom surface of the supporting table 21, the second rod 12 is rotatably arranged at one end of the first rod 11 far away from the supporting table 21, and the sharp part 13 is arranged at one end of the second rod 12 far away from the first rod 11;
when the second rod 12 rotates to be in the same straight line with the first rod 11, the second rod 12 reaches the end of the rotation stroke;
it should be noted that, in some embodiments, a limiting structure such as a limiting plate and a limiting block may be disposed on the first rod 11 to limit further rotation of the second rod 12, so that when the second rod 12 rotates to the limiting mechanism, it rotates to the end of travel, that is, when the first rod 11 and the second rod 12 are on the same straight line; of course, the first rod body 11 and the second rod body 12 can be further fixed and locked by fixing pieces of locking screws; it will be appreciated that in some time modes, a certain torsional friction force can also ensure a stable state when the first rod 11 and the second rod 12 are in the same line, and the fixing of the first rod 11 and the second rod 12 can be realized without adopting a fixing member locking mode.
In the above scheme, if the supporting leg 10 is integrally arranged, the overall length of the supporting leg is still longer, and the supporting leg 10 is folded by folding the supporting leg, so that the supporting leg can rotate around the middle part to realize folding; when the sampling device is used, the second rod body 12 is rotated until the second rod body 12 and the first rod body 11 are in the same straight line, namely, the unfolding state is completed, after the use is completed, the second rod body 12 is rotated around the reverse direction to be folded and stored, so that the whole sampling device can be stored more conveniently, and the portability of the sampling device is improved
Specifically, referring to fig. 2-3, the clamping jaw unit 22 includes a carrying edge 222 and a clamping edge 221 that are connected to each other, the carrying edge 222 and the clamping edge 221 form an L-shaped structure, and a hinge point hinged with the supporting table 21 is provided on the carrying edge 222;
in a natural state, the clamping edge 221 is suitable for turning towards the side far away from the supporting table 21 and driving the bearing edge 222 to tilt;
further, the carrying edge 222 is adapted to be carried by the bottom surface of the sampling vessel 40;
in the above-mentioned scheme, in a natural state, it can be understood that the fixed disc 30 is not yet placed, under the action of gravity, the clamping edge 221 will turn over towards the side far away from the supporting table 21, at this time, a part of the carrying edge 222 is tilted, when the fixed disc 30 is placed on the carrying edge 222 by a worker, the fixed disc 30 and the sampling vessel 40 have a certain weight and then press the carrying edge 222, so that the clamping edge 221 rotates around its hinge, and finally is clamped on the side wall of the fixed disc 30 to fix the fixed disc 30; the scheme has simple structure, realizes the automatic clamping of the clamping jaw unit 22 to the fixed disc 30 by utilizing the gravity and the lever principle, and is convenient and quick to use.
Further, the clamping edge 221 is arc-shaped and arches towards the side far away from the axle center of the supporting table 21;
in the above scheme, the circular arc-shaped clamping edge 221 has a moving track less prone to shell clamping during the action process, so that the smoothness of the clamping process is ensured.
Specifically, an annular groove 33 is formed on the outer peripheral wall of the fixed disc 30, and the clamping jaw unit 22 is adapted to be clamped in the annular groove 33;
in the above scheme, the annular groove 33 is formed in the outer wall of the fixed disc 30, so that the clamping stability can be further improved by matching with the clamping jaw unit 22, and the stability of the fixed disc 30 and the sampling vessel 40 is further ensured.
Further, soft silica gel 32 is arranged on the inner wall of the limit groove 31;
in the above-mentioned scheme, set up soft silica gel 32 in spacing groove 31 and can promote the fixed disk 30 to the positional stability of sampling dish 40, soft silica gel 32 compares the loss to sampling dish 40 that can reduce in other materials, prolongs the life of sampling dish 40.
Specifically, a receiving groove 211 adapted to receive the fixed disk 30 is formed on a side wall of the support table 21;
in the above-mentioned scheme, after using, can accomodate fixed disc 30 in holding tank 211, take out it again when using next time, further promote the convenience of use, still can reduce the risk that fixed disc 30 lost simultaneously.
In some embodiments, a magnetic attraction mechanism may be disposed in the accommodating groove 211, and a corresponding magnetic attraction mechanism is disposed on the fixed disk 30 or the fixed disk 30 is made of a magnetically attractable material, so as to achieve the effect of fixing the fixed disk 30.
Of course, the engagement and fixation of the fixed disk 30 may be realized by a slot.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the utility model in any way, but any simple modification, equivalent variation and modification of the above embodiments according to the technical principles of the present utility model fall within the scope of the technical solutions of the present utility model.
Claims (8)
1. An air microorganism sampling device for a natural sedimentation method is characterized in that: comprises a bracket main body, a fixing component and a fixing disc;
a limit groove matched with the sampling dish is formed on the fixed disc;
the fixing assembly comprises a supporting table in a round table shape, clamping jaw units are hinged to the edge of the top end of the supporting table, each clamping jaw unit at least comprises two groups, and a plurality of clamping jaw units are distributed around the round table at equal angles;
wherein the clamping jaw unit is suitable for being abutted to the side wall of the fixed disc or the sampling dish so as to position the fixed disc or the sampling dish.
2. The air microorganism sampling apparatus for a natural sedimentation method according to claim 1, wherein: the support main body comprises three groups of support legs hinged to the bottom surface of the support table, and the three groups of support legs are suitable for being folded towards the axis of the support table.
3. The air microorganism sampling apparatus for a natural sedimentation method according to claim 2, wherein: the supporting leg comprises a first rod body, a second rod body and a sharp part;
the first rod body is hinged to the bottom surface of the supporting table, the second rod body is rotatably arranged at one end of the first rod body far away from the supporting table, and the sharp part is arranged at one end of the second rod body far away from the first rod body;
when the second rod body rotates to be in the same straight line with the first rod body, the second rod body reaches the end point of the rotating stroke.
4. The air microorganism sampling apparatus for a natural sedimentation method according to claim 1, wherein: the clamping jaw unit comprises a bearing edge and a clamping edge which are connected with each other, wherein the bearing edge and the clamping edge form an L-shaped structure, and a hinge point hinged with the supporting table is arranged on the bearing edge;
in a natural state, the clamping edge is suitable for overturning towards one side far away from the supporting table and driving the bearing edge to tilt;
the bearing edge is suitable for bearing on the bottom surface of the sampling dish.
5. The air microorganism sampling device for a natural sedimentation method according to claim 4, wherein: the clamping edge is arc-shaped and arches towards one side far away from the axle center of the supporting table.
6. The air microorganism sampling apparatus for a natural sedimentation method according to claim 1, wherein: an annular groove is formed in the peripheral wall of the fixed disc, and the clamping jaw unit is suitable for being clamped in the annular groove.
7. The air microorganism sampling apparatus for a natural sedimentation method according to claim 1, wherein: soft silica gel is arranged on the inner wall of the limit groove.
8. The air microorganism sampling apparatus for a natural sedimentation method according to any one of claims 1 to 7, wherein: a receiving groove adapted to receive the fixed disk is formed on a side wall of the supporting table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320386990.1U CN219567937U (en) | 2023-03-02 | 2023-03-02 | Air microorganism sampling device for natural sedimentation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320386990.1U CN219567937U (en) | 2023-03-02 | 2023-03-02 | Air microorganism sampling device for natural sedimentation method |
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| Publication Number | Publication Date |
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| CN219567937U true CN219567937U (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320386990.1U Active CN219567937U (en) | 2023-03-02 | 2023-03-02 | Air microorganism sampling device for natural sedimentation method |
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| CN (1) | CN219567937U (en) |
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- 2023-03-02 CN CN202320386990.1U patent/CN219567937U/en active Active
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