CN212864765U

CN212864765U - Planktonic bacteria sampler

Info

Publication number: CN212864765U
Application number: CN201922501540.9U
Authority: CN
Inventors: 陈英; 龚霞; 汪谦; 胡蝶; 游思南; 黄燕丽; 江美丽; 舒丽丽
Original assignee: Hubei Jieyuan Detection Co ltd
Current assignee: Hubei Jieyuan Detection Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2021-04-02
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a planktonic bacteria sampler, which comprises a shell, a sampling head body, a sampling cover and a filter plate, wherein a mounting frame is fixedly connected on the inner wall of the shell, a driving motor is fixedly arranged in the mounting frame, a connecting rod is fixedly connected on the fixing ring, the connecting rod penetrates through a loop bar at one end and extends to the inside of the loop bar to be fixedly connected with a limiting plate, a return spring is fixedly connected at the bottom end of the limiting plate, one end of the return spring deviating from the limiting plate is fixedly connected at the bottom end of the loop bar, the bottom end of the loop bar is movably clamped on a baffle, the top end of the sampling cover is fixedly connected with a handle, and the edge of the bottom end of the sampling cover is fixedly connected with a sealing ring, the problem of the sampling head be not convenient for change, and the microorganism overlaps easily on the culture dish is solved.

Description

Planktonic bacteria sampler

Technical Field

The utility model relates to a five metals technical field specifically is a planktonic bacteria sample thief.

Background

The planktonic bacteria sampler is a high-efficiency porous suction type dust bacteria sampler, and the device is mainly designed according to a particle impact principle and a constant-speed sampling theory, is direct in sampling, keeps the wind speed of a sampling port basically consistent with that of a clean room, and can more accurately reflect the concentration of microorganisms in the clean room. All be connected sampling head and sampling seat as a whole on this equipment market, be not convenient for dismantle because the microorganism directly strikes easily to overlap on the culture dish, influences the sampling effect.

Disclosure of Invention

An object of the utility model is to provide a planktonic bacteria sample thief to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a planktonic bacteria sample thief, includes shell, sampling head body, sampling lid and filter plate, fixedly connected with mounting bracket on the shell inner wall, fixed mounting has driving motor in the mounting bracket, driving motor output shaft and air exhauster fixed connection, the culture dish has been placed at the inside center of shell, the collection mouth has been seted up on the shell top, be equipped with the external screw thread on the collection mouthful outer wall, the solid fixed ring of fixedly connected with on the sampling head body inner wall, gu fixed ring goes up the fixedly connected with connecting rod, connecting rod quantity is two, two connecting rod difference fixed connection is at solid fixed ring both ends, the connecting rod runs through the loop bar in one end and extends to the loop bar inside and limiting plate fixed connection.

Limiting plate bottom fixedly connected with reset spring, the skew limiting plate's of reset spring one end fixed connection is in the inside bottom of loop bar, loop bar bottom activity joint is on the baffle, sampling lid top fixedly connected with handle, fixedly connected with sealing washer on the edge of sampling lid bottom, the bar through-hole has been seted up at the filter plate both ends, the filter plate center is equipped with a plurality of filtration pores, and a plurality of filtration pores evenly distributed are at the filter plate center.

Preferably, the inner wall of the bottom end of the sampling head body is provided with threads, and the sampling head body is connected to the collecting port through the threads.

Preferably, the length of the baffle is smaller than the distance between the inner ring and the outer ring of the fixing ring.

Preferably, the length of the connecting rod is smaller than that of the sleeve rod.

Preferably, the width and the length of the strip-shaped through hole are both larger than those of the baffle.

Preferably, the filter plate is movably clamped at the bottom end of the fixing ring through the baffle plate.

Preferably, the culture dish is positioned right below the sampling head body.

Compared with the prior art, the beneficial effects of the utility model are that: this planktonic bacteria sample thief can make the even striking of microorganism in the air to the culture dish through setting up the filter plate on, utilizes sampling head body and collection mouth department to pass through threaded connection's mode, is favorable to dismantling the sampling head body, reaches the effect of being convenient for change, has solved the sampling head and has not been convenient for change, and the microorganism is the problem of overlapping on the culture dish easily.

The filter plate can be movably clamped on the fixing ring by arranging the connecting rod, the baffle, the reset spring and the loop bar, the filter plate is tightly attached to the fixing ring by utilizing the reset spring, the effect of conveniently replacing the filter plate is achieved, and the problem that the filter plate is not convenient to replace is solved.

Drawings

Fig. 1 is a schematic structural section view of the present invention.

Fig. 2 is a schematic sectional view of the structure sampling head of the present invention.

Fig. 3 is an enlarged schematic view of the structure a of the present invention.

Fig. 4 is the bottom schematic view of the structure sampling head of the present invention.

In the figure: the device comprises a shell 1, a 2 exhaust fan, a 3 sampling head body, a 4 culture dish, a 5 mounting frame, a 6 collecting port, a 7 handle, an 8 sealing ring, a 9 sampling cover, a 10 driving motor, 11 fixing rings, 12 filter plates, 13 strip-shaped through holes, 14 baffles, 15 connecting rods, 16 reset springs, 17 loop rods and 18 limiting plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

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", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and 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.

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; can be mechanically or electrically connected; 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.

Referring to fig. 1-4, the present invention provides a technical solution: a planktonic bacteria sampler comprises a shell 1, a sampling head body 3, a sampling cover 9 and a filter plate 12, wherein a mounting frame 5 is fixedly connected on the inner wall of the shell 1, a driving motor 10 is fixedly installed in the mounting frame 5, an exhaust fan 2 is driven by the driving motor 10 to perform an air exhaust process, an output shaft of the driving motor 10 is fixedly connected with the exhaust fan 2, a culture dish 4 is placed in the center inside the shell 1, the culture dish 4 is positioned under the sampling head body 3, a collection port 6 is formed in the top end of the shell 1, an external thread is arranged on the outer wall of the collection port 6, a fixing ring 11 is fixedly connected on the inner wall of the sampling head body 3, a thread is arranged on the inner wall at the bottom end of the sampling head body 3, the sampling head body 3 is connected on the collection port 6 through the thread, the sampling head body 3 is convenient to detach, connecting rods, the length of connecting rod 15 is less than the length of loop bar 17, and connecting rod 15 runs through loop bar 17 and extends to loop bar 17 inside and limiting plate 18 fixed connection at one end, can prevent to break away from between connecting rod 15 and the loop bar 17 through setting up limiting plate 18.

The bottom end of a limit plate 18 is fixedly connected with a reset spring 16, one end of the reset spring 16 deviating from the limit plate 18 is fixedly connected with the bottom end inside a loop bar 17, the loop bar 17 and a baffle plate 14 can be driven to automatically return by the aid of elastic force of the reset spring 16 by arranging the reset spring 16, and the reset spring is clamped on the filter plate 12 to enable the filter plate 12 to be tightly attached to a fixing ring 11, so that air tightness can be increased, the bottom end of the loop bar 17 is movably clamped on the baffle plate 14, the length of the baffle plate 14 is smaller than the distance between the inner ring and the outer ring of the fixing ring 11, the top end of a sampling cover 9 is fixedly connected with a handle 7 to facilitate taking of the sampling cover 9, a sealing ring 8 is fixedly connected on the edge of the bottom end of the sampling cover 9 to increase air tightness, strip-shaped through holes 13 are formed in two ends of the filter plate 12, the filter plate 12 passes through baffle 14 activity joint in solid fixed ring 11 bottom, through setting up baffle 14 joint filter plate 12, convenient to detach filter plate 12 to disinfect to filter plate 12, filter plate 12 can recycle through the disinfection, can make the air reposition of redundant personnel through setting up the filter plate, makes the even striking of microorganism on culture dish 4, avoids the microorganism directly to strike the condition that appears overlapping on the culture dish, influences the sampling effect.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: when the sampling device is used, the sampling cover 9 is opened, the exhaust fan 2 is driven by the driving motor 10 to exhaust air, air is shunted through the filter holes on the filter plate 12, microorganisms are enabled to uniformly impact on the culture dish 4, when the sampling head body 3 needs to be cleaned or replaced, the sampling head body 3 is separated from the collection port 6 by rotating the sampling head body 3, the baffle plate 14 is enabled to be parallel to the strip-shaped through hole 13 by rotating the baffle plate 14, the filter plate 12 can be taken down for sterilization, the filter plate 12 can be recycled after sterilization, when the filter plate 12 is installed, the strip-shaped through hole 13 is aligned with the baffle plate 14 and then placed on the fixing ring 11, the baffle plate 14 is clamped on the strip-shaped through hole 13 by pulling out the baffle plate 14 and rotating the baffle plate 14, the filter plate 12 can be fixed, the loop rod 17 and the baffle plate 14 can be driven to automatically return under the action of the reset spring 16, and the filter, the airtightness can be increased.

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

1. The utility model provides a planktonic bacteria sampler, includes shell (1), sampling head body (3), sampling lid (9) and filter plate (12), its characterized in that: the sampling head is characterized in that a mounting frame (5) is fixedly connected to the inner wall of the shell (1), a driving motor (10) is fixedly mounted in the mounting frame (5), an output shaft of the driving motor (10) is fixedly connected with the exhaust fan (2), a culture dish (4) is placed at the center of the interior of the shell (1), a collection port (6) is formed in the top end of the shell (1), external threads are formed in the outer wall of the collection port (6), a fixing ring (11) is fixedly connected to the inner wall of the sampling head body (3), connecting rods (15) are fixedly connected to the fixing ring (11), the number of the connecting rods (15) is two, the two connecting rods (15) are respectively and fixedly connected to two ends of the fixing ring (11), and one end of each connecting rod (15) penetrates through the loop bar (17) and extends into the;

limiting plate (18) bottom fixedly connected with reset spring (16), the one end fixed connection that reset spring (16) skew limiting plate (18) is in the inside bottom of loop bar (17), loop bar (17) bottom activity joint is on baffle (14), sampling lid (9) top fixedly connected with handle (7), fixedly connected with sealing washer (8) on sampling lid (9) bottom edge, bar through-hole (13) have been seted up at filter plate (12) both ends, filter plate (12) center is equipped with a plurality of filtration pores, and a plurality of filtration pores evenly distributed are at filter plate (12) center.

2. The planktonic bacteria sampler of claim 1, wherein: the sampling head is characterized in that threads are arranged on the inner wall of the bottom end of the sampling head body (3), and the sampling head body (3) is connected to the acquisition opening (6) through threads.

3. The planktonic bacteria sampler of claim 1, wherein: the length of the baffle (14) is smaller than the distance between the inner ring and the outer ring of the fixing ring (11).

4. The planktonic bacteria sampler of claim 1, wherein: the length of the connecting rod (15) is less than that of the loop bar (17).

5. The planktonic bacteria sampler of claim 1, wherein: the width and the length of the strip-shaped through hole (13) are both larger than those of the baffle (14).

6. The planktonic bacteria sampler of claim 1, wherein: the filter plate (12) is movably clamped at the bottom end of the fixed ring (11) through a baffle (14).

7. The planktonic bacteria sampler of claim 1, wherein: the culture dish (4) is positioned under the sampling head body (3).