CN216998407U - Sampling flow adjustable planktonic bacteria sample thief - Google Patents
Sampling flow adjustable planktonic bacteria sample thief Download PDFInfo
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- CN216998407U CN216998407U CN202220689162.0U CN202220689162U CN216998407U CN 216998407 U CN216998407 U CN 216998407U CN 202220689162 U CN202220689162 U CN 202220689162U CN 216998407 U CN216998407 U CN 216998407U
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Abstract
The utility model discloses a planktonic bacteria sampler with adjustable sampling flow, which comprises a sampling head, a shell and a base, wherein the shell is provided with a sampling hole; the shell is arranged on the base, and the sampling head is arranged at the top of the shell; the shell is provided with an air inlet limiting baffle, an air outlet flow equalizing baffle and a fan, the air inlet limiting baffle is arranged at the upper end of the shell, the air outlet flow equalizing baffle is arranged at the lower end of the shell, and the fan is arranged between the air inlet limiting baffle and the air outlet flow equalizing baffle; the air inlet limiting baffle is provided with a plurality of supporting pieces for placing culture dishes; the sampling head is provided with uniformly distributed air inlets, the air inlet limiting baffle is provided with air inlets, and the air outlet flow equalizing baffle is provided with uniformly distributed exhaust holes; the utility model has simple structure, simple use, replaceable sampling head, convenient adjustment of sampling flow, small air flow interference, high stability and more accurate sampling result.
Description
Technical Field
The utility model relates to the technical field of biological sampling, in particular to a planktonic bacteria sampler with adjustable sampling flow.
Background
The planktonic bacteria sampler is widely applied to sampling and detecting air microorganisms in clean rooms and sterile environments of pharmaceutical GMP factory buildings, dairy product factory buildings, hospital operating rooms, biological cleaning, fermentation industries and the like. The planktonic bacteria sampler is generally designed according to a particle impact principle and a constant-speed sampling principle, an air suction device of the device sucks air through a porous sampling head, the air impacts a culture dish, and living microorganism particles in the air are captured on an agar culture medium.
The existing planktonic bacteria sampler can easily form vortex to cause the culture dish to vibrate due to large deviation of the wind speed of a sampling port and the wind speed in a clean room and uneven exhaust of an air outlet, so that the culture dish is unstable, and further sampled planktonic bacteria data are deviated to influence the measurement result; the existing sampler can sample at one sampling flow rate generally and has a single function.
Disclosure of Invention
The utility model aims to provide a planktonic bacteria sampler with adjustable sampling flow, which aims to solve the problems in the background technology. In order to achieve the purpose, the utility model provides the following technical scheme:
a planktonic bacteria sampler with adjustable sampling flow comprises a sampling head, a shell and a base; the shell is arranged on the base, and the sampling head is arranged on the top of the shell; the shell is provided with an air inlet limiting baffle, an air outlet flow equalizing baffle and a fan, the air inlet limiting baffle is arranged at the upper end of the shell, the air outlet flow equalizing baffle is arranged at the lower end of the shell, and the fan is arranged between the air inlet limiting baffle and the air outlet flow equalizing baffle; the air inlet limiting baffle is provided with a plurality of supporting pieces for placing culture dishes; the sampling head is provided with evenly distributed inlet ports, the air inlet limiting baffle is provided with an air inlet, and the air outlet flow equalizing baffle is provided with evenly distributed exhaust holes.
Further, the top of the shell is provided with a buckle hole, the sampling head is provided with a buckle, and the buckle is clamped with the buckle hole.
Furthermore, a connecting piece is arranged between the air inlet limiting baffle and the air outlet flow equalizing baffle and is used for connecting the air inlet limiting baffle and the air outlet flow equalizing baffle.
Further, a speed regulator is arranged on the fan and used for regulating the rotating speed of the fan.
Further, the fan is a volute fan.
The utility model has the beneficial effects that: the utility model has simple structure, simple use, replaceable sampling head, convenient adjustment of sampling flow, small air flow interference, high stability and more accurate sampling result.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an exploded view of the present invention.
It is noted that the drawings are not necessarily to scale and are merely illustrative in nature and not intended to obscure the reader.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the utility model and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
Moreover, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific type and configuration may or may not be the same), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As shown in figure 1, the planktonic bacteria sampler with adjustable sampling flow comprises a sampling head 1, a shell 2 and a base 3; the shell 2 is arranged on the base 3, and the sampling head 1 is arranged at the top of the shell 2; the shell 2 is provided with an air inlet limiting baffle 4, an air outlet flow equalizing baffle 5 and a fan 6, the air inlet limiting baffle 4 is arranged at the upper end of the shell 2, the air outlet flow equalizing baffle 5 is arranged at the lower end of the shell 2, and the fan 6 is arranged between the air inlet limiting baffle and the air outlet flow equalizing baffle 5; the air inlet limit baffle 4 is provided with a plurality of supporting pieces 7 for placing culture dishes 8; the sampling head 1 is provided with uniformly distributed air inlets 11, the air inlet limiting baffle 4 is provided with an air inlet 41, and the air outlet flow equalizing baffle 5 is provided with uniformly distributed exhaust holes 51.
Specifically, when the sampler is used for sampling, the culture dish 8 is placed in the shell 2 and limited by the support part 7, the fan 6 is started to exhaust air, external air enters the shell 2 through the air inlet hole 11 in the sampling head 1, and airflow uniformly impacts the culture medium in the culture dish 8, so that the distribution uniformity of planktonic bacteria on the culture medium is ensured, and an accurate sampling result is obtained; meanwhile, the air flow in the shell 2 continuously flows to the bottom of the culture dish 8 along the periphery of the culture dish 8, flows to the bottom of the shell 2 through the air inlet 41 on the air inlet limiting baffle 4, and is finally uniformly discharged out of the shell 2 through the exhaust holes 51 on the air outlet flow equalizing baffle 5; in the air circulation process, the air flow in the shell 2 and the air flow outside the shell 2 are high in consistency due to the uniformly distributed air inlet holes 11 and the air exhaust holes 51, the air flow environment in the shell 2 is prevented from being damaged to form a vortex, vibration caused by air flow interference is reduced, the stability of the culture dish 8 is improved, and an accurate sampling result is convenient to obtain.
Furthermore, a buckle hole is formed in the top of the shell 2, and a buckle is arranged on the sampling head 1 and is clamped with the buckle hole; the buckle connection mode is convenient for replacing the sampling heads 1 with different sampling flows and taking out the culture dish 8.
Furthermore, a connecting piece 9 is arranged between the air inlet limiting baffle 4 and the air outlet flow equalizing baffle 5 and is used for connecting the air inlet limiting baffle 4 and the air outlet flow equalizing baffle 5.
Further, a speed regulator 61 is arranged on the fan 6 and used for regulating the rotating speed of the fan 6; the sampling flow is adjusted by adjusting the rotating speed of the fan 6, so that the wind speed in the shell 2 is consistent with the wind speed of the sampling head 1, living planktonic bacteria particles are efficiently collected, and a more accurate detection result is obtained.
Further, the fan 6 is a volute fan.
It should also be noted that, in the case of the embodiments of the present invention, features of the embodiments and examples may be combined with each other to obtain a new embodiment without conflict.
The above-mentioned embodiments are merely exemplary embodiments of the present invention, which should not be construed as limiting the utility model in any way. Although the present invention has been described with reference to the preferred embodiments, those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit and scope of the utility model, and it is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides a sampling flow adjustable planktonic bacteria sample thief which characterized in that: comprises a sampling head, a shell and a base; the shell is arranged on the base, and the sampling head is arranged at the top of the shell; the shell is provided with an air inlet limiting baffle, an air outlet flow equalizing baffle and a fan, the air inlet limiting baffle is arranged at the upper end of the shell, the air outlet flow equalizing baffle is arranged at the lower end of the shell, and the fan is arranged between the air inlet limiting baffle and the air outlet flow equalizing baffle; the air inlet limiting baffle is provided with a plurality of supporting pieces for placing culture dishes; the sampling head is provided with evenly distributed inlet ports, the air inlet limiting baffle is provided with an air inlet, and the air outlet flow equalizing baffle is provided with evenly distributed exhaust holes.
2. The planktonic bacteria sampler with adjustable sampling flow according to claim 1, characterized in that: the top of the shell is provided with a buckle hole, the sampling head is provided with a buckle, and the buckle is clamped with the buckle hole.
3. The planktonic bacteria sampler with adjustable sampling flow according to claim 1, characterized in that: and a connecting piece is arranged between the air inlet limiting baffle and the air outlet flow equalizing baffle and is used for connecting the air inlet limiting baffle and the air outlet flow equalizing baffle.
4. The planktonic bacteria sampler with adjustable sampling flow according to claim 1, characterized in that: the fan is provided with a speed regulator for regulating the rotating speed of the fan.
5. The planktonic bacteria sampler with adjustable sampling flow according to claim 1, characterized in that: the fan is a volute fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220689162.0U CN216998407U (en) | 2022-03-28 | 2022-03-28 | Sampling flow adjustable planktonic bacteria sample thief |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220689162.0U CN216998407U (en) | 2022-03-28 | 2022-03-28 | Sampling flow adjustable planktonic bacteria sample thief |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216998407U true CN216998407U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220689162.0U Active CN216998407U (en) | 2022-03-28 | 2022-03-28 | Sampling flow adjustable planktonic bacteria sample thief |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216998407U (en) |
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2022
- 2022-03-28 CN CN202220689162.0U patent/CN216998407U/en active Active
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