CN210458186U

CN210458186U - Planktonic bacteria sampler

Info

Publication number: CN210458186U
Application number: CN201921300570.7U
Authority: CN
Inventors: 赵纯; 栾序军; 冯益红; 陈薇薇; 关明; 关玲
Original assignee: Liaoning Ludan Medicine Co ltd
Current assignee: Liaoning Ludan Medicine Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-05-05
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a planktonic bacteria sampler, which comprises a detection host and an air suction cover, wherein the top of the detection host is detachably provided with an upper cover, the upper cover is provided with a protective shell, a driving gear and a driven gear which are meshed with each other are arranged in the protective shell, a motor for driving the driving gear to rotate is arranged above the protective shell, and the driving gear is rotatably arranged on the upper cover through a plane bearing; the air suction hood is installed on the upper cover through an air guide pipe, and the air guide pipe is L-shaped. Has the advantages that: the air suction cover can rotate 360 degrees, so that all-dimensional air collection is realized, and the accuracy of detection data is improved; the air duct is convenient to disassemble and assemble, so that the air duct and the air suction cover are disassembled and cleaned.

Description

Planktonic bacteria sampler

Technical Field

The utility model relates to a detecting instrument field, concretely relates to planktonic bacteria sample thief.

Background

Planktonic bacteria are viable particles of microorganisms suspended in air, which propagate to visible colonies under appropriate growth conditions in a specialized culture medium. The planktonic bacteria collector is used for detecting air, can accurately reflect the concentration of microorganisms in a clean room, and is commonly used for detecting air microorganisms in clean rooms and sterile environments of pharmaceutical GMP (good manufacturing practice) factory buildings, dairy factory buildings, hospital operating rooms, biological cleaning, fermentation industries and the like and for sampling and researching the air microorganisms by related research and teaching departments.

The applicant finds that at least the following technical problems exist in the prior art: the direction of the collecting head of the existing planktonic bacteria collector is fixed, and when indoor air flows in a non-directional mode, the result of detection is inaccurate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a planktonic bacteria sample thief just lies in solving above-mentioned problem, and the cover that induced drafts can be 360 rotations in the horizontal direction under driven gear's drive to can carry out all-round collection to the air, improve the accuracy of testing result.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a planktonic bacteria sampler, which comprises a detection host and an air suction cover, wherein the top of the detection host is detachably provided with an upper cover, the upper cover is provided with a protective shell, a driving gear and a driven gear which are meshed with each other are arranged in the protective shell, a motor for driving the driving gear to rotate is arranged above the protective shell, and the driving gear is rotatably arranged on the upper cover through a plane bearing;

the air suction hood is installed on the upper cover through an air guide pipe, the air guide pipe is L-shaped, the lower end of the vertical pipe section of the air suction hood penetrates through the driven gear and extends into the detection host machine, and the air guide pipe is fixedly connected with the driven gear so as to be capable of rotating along the circumference of the horizontal direction under the driving of the driven gear.

Adopt above-mentioned planktonic fungus sample thief, the motor passes through drive gear drives driven gear is rotatory, simultaneously with driven gear fixed connection the air duct is in driven gear's drive is down, along circumferencial direction horizontal rotation, thereby makes the cover that induced drafts can realize omnidirectional air collection, and then improves the accuracy that the collector detected.

Preferably, the driving gear is fixed on an output shaft of the motor through a jackscrew or a tension sleeve.

Preferably, a boss is integrally arranged on the lower end face of the driven gear, the boss extends into an inner hole of the plane bearing, and an excircle of the plane bearing is embedded on the upper cover.

Preferably, the inner hole of the driven gear is a spline hole, an outer pipe wall matched with the air guide pipe and the driven gear is provided with an outer spline matched with the spline hole, a limiting table is fixedly connected to the vertical pipe of the air guide pipe, and the limiting table is located above the protective shell and used for limiting the insertion depth of the air guide pipe.

Preferably, the air suction hood is horn-shaped.

Preferably, the upper cover and the detection host are both cylindrical, and the upper cover is installed on the detection host through threads.

Preferably, a horizontally arranged partition plate is integrally connected inside the detection host, a plurality of uniformly distributed vent holes are formed in the partition plate, a culture dish is placed above the partition plate, and a micropore sieve plate corresponding to the culture dish is fixedly connected to the inner bottom surface of the upper cover;

an induced draft fan is arranged below the partition plate, the induced draft fan is fixedly installed on the inner bottom surface of the detection host machine, and a plurality of exhaust holes are processed on the inner bottom surface of the detection host machine;

the bottom of the detection host machine is provided with a plurality of support columns, so that the bottom of the detection host machine is supported.

Has the advantages that: 1. the air suction cover of the utility model can rotate 360 degrees, thereby realizing the omnidirectional air collection and further improving the accuracy of the detection data;

2. the air duct is convenient to disassemble and assemble, so that the air duct and the air suction cover are disassembled and cleaned.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a partial enlarged view of fig. 1 in the present invention.

The reference numerals are explained below:

1. detecting a host; 101. an exhaust hole; 102. a support pillar; 2. a partition plate; 201. a vent hole; 3. a culture dish; 4. a protective shell; 5. a drive gear; 501. a motor; 6. an air duct; 601. a limiting table; 7. an air suction hood; 8. a driven gear; 801. a boss; 9. a flat bearing; 10. an upper cover; 11. a microporous sieve plate; 12. an induced draft fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides a planktonic bacteria sampler, including detection host computer 1 and induced draft hood 7, upper cover 10 is installed to detection host computer 1 top detachable, install protective housing 4 on upper cover 10, be equipped with intermeshing's drive gear 5 and driven gear 8 in the protective housing 4, install the motor 501 that drives the rotation of drive gear 5 above the protective housing 4, drive gear 5 passes through flat bearing 9 and rotationally installs on upper cover 10;

the air suction hood 7 is installed on the upper cover 10 through the air guide pipe 6, the air guide pipe 6 is of an L shape, the lower end of the vertical pipe section of the air guide pipe penetrates through the driven gear 8 and extends into the detection host 1, and the air guide pipe 6 is fixedly connected with the driven gear 8 and can be driven by the driven gear 8 to rotate circumferentially along the horizontal direction.

Preferably, the driving gear 5 is fixed on the output shaft of the motor 501 through a jackscrew or a tension sleeve, and the arrangement is convenient for fixing the driving gear 5 on the output shaft of the motor 501.

Driven gear 8's lower terminal surface is gone up an organic whole and is equipped with boss 801, boss 801 stretches into in plane bearing 9's the hole, plane bearing 9's excircle is inlayed on the upper cover 10, so set up, be convenient for carry out position fixing to driven gear 8 through plane bearing 9 and boss 801's cooperation connection.

Driven gear 8's hole is the splined hole, air duct 6 with processing has on the outer pipe wall of driven gear 8 complex with splined hole complex external splines spacing platform 601 of fixedly connected with on the vertical pipe of air duct 6, spacing platform 601 is located 4 tops of protective housing, be used for right the depth of insertion of air duct 6 is injectd, sets up on protective housing 4 with the external diameter be greater than the hole of air duct 6 external diameter, and the angle of connection of air duct 6 and driven gear 8 is observed to this hole of accessible, is convenient for make the external splines of air duct 6 and driven gear 8's splined hole cooperation, and after air duct 6 inserted driven gear 8, spacing platform 601 changes into on protective housing 4, injects the depth of insertion of air duct 6 to need not bolted connection, can accomplish the installation of air duct 6.

The air suction cover 7 is horn-shaped, so that air can enter the air guide pipe 6 conveniently along the horn surface of the air suction cover 7.

The upper cover 10 with detect the host computer 1 and be the cylinder type, just the upper cover 10 is installed through the screw thread detect on the host computer 1.

A horizontally arranged partition plate 2 is integrally connected inside the detection host 1, a plurality of uniformly distributed vent holes 201 are formed in the partition plate 2, a culture dish 3 is placed above the partition plate 2, and a micropore sieve plate 11 corresponding to the culture dish 3 is fixedly connected to the inner bottom surface of the upper cover 10;

an induced draft fan 12 is arranged below the partition board 2, the induced draft fan 12 is fixedly installed on the inner bottom surface of the detection host machine 1, a plurality of exhaust holes 101 are processed on the inner bottom surface of the detection host machine 1, when in detection, external air enters the detection host machine 1 through an induced draft hood 7 and an air duct 6 under the action of the induced draft fan 12, live microorganism particles in the air pass through the micropore sieve plate 11 and then enter the culture dish 3, and residual air enters a cavity below the detection host machine 1 through the exhaust holes 201 and is exhausted through the exhaust holes 101;

the bottom of the detection host machine 1 is provided with a plurality of support columns 102, so that the bottom of the detection host machine 1 is supported, and the arrangement is convenient for reserving space at the bottom of the detection host machine 1, so that air is discharged outwards.

By adopting the structure, the motor 501 is driven by the driving gear 5 to rotate the driven gear 8, and simultaneously, the air guide pipe 6 is fixedly connected with the driven gear 8 and driven by the driven gear 8 to rotate horizontally along the circumferential direction, so that the air suction cover 7 can realize omnibearing air collection, and the detection accuracy of the collector is improved.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A planktonic bacteria sampler is characterized in that: the air suction hood comprises a detection host and an air suction hood, wherein an upper cover is detachably arranged at the top of the detection host, a protective shell is arranged on the upper cover, a driving gear and a driven gear which are meshed with each other are arranged in the protective shell, a motor for driving the driving gear to rotate is arranged above the protective shell, and the driving gear is rotatably arranged on the upper cover through a plane bearing;

2. The planktonic bacteria sampler of claim 1, wherein: the driving gear is fixed on an output shaft of the motor through a jackscrew or a tension sleeve.

3. The planktonic bacteria sampler of claim 1, wherein: the lower end face of the driven gear is integrally provided with a boss, the boss extends into an inner hole of the plane bearing, and an excircle of the plane bearing is embedded in the upper cover.

4. The planktonic bacteria sampler of claim 3, wherein: the inner hole of the driven gear is a spline hole, an outer tube wall matched with the air guide tube and the driven gear is provided with an outer spline matched with the spline hole, a vertical tube of the air guide tube is fixedly connected with a limiting table, and the limiting table is located above the protective shell and used for limiting the insertion depth of the air guide tube.

5. The planktonic bacteria sampler according to any one of claims 1-4, wherein: the air suction cover is horn-shaped.

6. The planktonic bacteria sampler of claim 1, wherein: the upper cover with the detection host computer is the cylinder type, just the upper cover passes through the screw thread and installs on the detection host computer.

7. The planktonic bacteria sampler of claim 6, wherein: a horizontally arranged partition plate is integrally connected inside the detection host, a plurality of air holes which are uniformly distributed are formed in the partition plate, a culture dish is placed above the partition plate, and a micropore sieve plate corresponding to the culture dish is fixedly connected to the inner bottom surface of the upper cover;