CN220201921U - Height-adjustable air microorganism sampler - Google Patents

Abstract

The utility model discloses an air microorganism sampler with adjustable height, which comprises a sampler host, an impactor, a connecting pipe, an equipment box, an impactor sleeve, a telescopic rod and a storage rack, wherein the impactor sleeve is arranged on the sampler host; the front side of the equipment box is a full opening, and the equipment box is provided with a baffle plate and a limit belt; the sampler host and the storage rack are positioned in the equipment box and are separated by a partition board; limiting belts are arranged on the front side of the equipment box in the transverse and vertical directions; the top end of the impactor sleeve is a full opening, and one side of the impactor sleeve is provided with a gap; the impactor is positioned in the impactor sleeve; the connecting pipe is wound on the storage rack, one end of the connecting pipe is connected with the sampler host, and the other end of the connecting pipe is connected with the impactor through a gap; the telescopic link is located one side of equipment box, is connected with the striker sleeve. According to the utility model, the sampling height of the sampler is adjusted through the telescopic mechanism and the telescopic rod, the storage rack stores the connecting pipe, the sampler host and the impactor are fixed through the equipment box, the limiting belt and the impactor sleeve, the falling damage of the sampler host and the impactor is avoided, and the whole device has a simple structure and is convenient to operate.

Description

Height-adjustable air microorganism sampler

Technical Field

The utility model relates to the technical field of atmospheric sampling, in particular to an air microorganism sampler with adjustable height.

Background

The air microorganism sampler that adopts at present is six-level sieve mesh striking formula air microorganism sampler, be a dual-functional cascade multistage striking sampler, can be widely used for the monitoring among environment such as epidemic prevention, biological clean, pharmacy, fermentation industry, and relevant research teaching department makes the sampling study of air microorganism, mainly include sample ware host computer, striker and connecting pipe, mainly place sample ware host computer and striker on the layer board of tripod or only place the striker on the tripod during the use, adjust high through the tripod, but the height-adjusting of tripod is limited, unable too high air of sampling, sample ware host computer and striker simply place and have the risk that drops on the layer board, thereby lead to the sample ware to break, and because the height of sampling is different, the length of connecting pipe is longer, direct inconvenient accomodate of stacking generally.

Patent CN201920699310.5 proposes a sieve mesh striking formula air microorganism sample thief for real standard of poultry, which comprises a supporting rack, the support frame is the mount pad that the level set up including the support frame, the bottom of mount pad is the annular and is provided with three spinal branch vaulting poles, the upper end of every bracing piece all articulates on the mount pad, be provided with the lead screw of a vertical setting between the three spinal branch vaulting poles, the upper end of lead screw is fixed in the bottom of mount pad, be provided with an adjusting device jointly between lead screw and the three spinal branch vaulting poles, the top of mount pad is provided with the mount pad that is on a parallel with the mount pad, be provided with the six-level air microorganism sample thief of a vertical setting on the mount pad, be provided with a plurality of locking device between six-level air microorganism sample thief and the mount pad. Although the device can adjust the monitoring sampling height and fixedly place the impacter, the device for fixing the sampler host is not present, and the connecting pipes for connecting the impacter and the sampler host are directly stacked, so that the device has complicated using steps.

Disclosure of Invention

The utility model aims to provide an air microorganism sampler capable of being fixedly placed, which is convenient for accommodating a connecting pipe and capable of adjusting the sampling height, so as to solve the technical problems that the air microorganism sampler is not fixedly placed, the connecting pipe is randomly stacked, and the sampling height is limited.

In order to solve the technical problems, the utility model adopts the following scheme:

an air microorganism sampler with adjustable height comprises a sampler main machine, an impactor, a connecting pipe, an equipment box, an impactor sleeve, a telescopic rod and a storage rack; the front side of the equipment box is a full opening; the equipment box is provided with a partition board and a limit belt; the sampler host and the storage rack are both positioned in the equipment box and separated by the partition board; two or more limit belts are arranged horizontally and vertically on the front side of the equipment box provided with one end of the sampler host; one side of the storage rack is connected with the partition board, and the other side of the storage rack is connected with the equipment box; the top end of the impactor sleeve is a full opening, and a gap is formed at one side of the impactor sleeve; the striker is mounted within the striker sleeve; the connecting pipe is connected to the storage rack in a winding way, one end of the connecting pipe is connected with the sampler host, and the other end of the connecting pipe is connected with the impactor through the gap; the telescopic rod is fixedly arranged on one side of the equipment box and is connected with the striker sleeve.

Further limited, the telescopic rod comprises a sliding rod, a spring, a clamping block and an opening, wherein the sliding rod is provided with two or more than two and sleeved from large to small; the inner wall of the sliding rod is fixedly connected with one end of the spring, and the other end of the sliding rod is fixedly connected with the clamping block; the clamping block is used for fixing the sliding rod through the opening. The striker sleeve can be fixed to the height which is required to be commonly used for sampling through the clamping block, the spring and the opening B of the telescopic rod; the clamping block clamps the opening, so that the slide bar is fixed, and the clamping block can be pressed into the slide bar through the spring to retract the slide bar when the telescopic rod is not used.

Further defined, the storage rack comprises a rack body, a rotary handle, a rotary joint, a rotary shaft and an extension tube; the frame body is U-shaped, one side of the frame body is fixedly connected with the partition board, and the other side of the frame body is fixedly connected with the equipment box; the rotary handle is positioned at one side of the equipment box, penetrates through one side of the equipment box and the frame body and is fixedly connected with one side of the rotary shaft; the other side of the rotating shaft is rotationally connected with the frame body; the connecting pipe is connected to the rotating shaft in a winding way; the rotary joint penetrates through the partition plate and is fixedly connected with the partition plate; the extension pipe is of a shape, one end of the extension pipe is connected with one end of the rotary joint, and the other end of the extension pipe extends out of the rotary shaft. The U-shaped frame body is convenient for the rotating shaft to be connected with the frame body, and when the rotating shaft is driven to rotate through the rotating joint and the rotating handle, the connecting pipe is contained, the rotating joint is connected with the extension pipe, and the connecting pipe can rotate along with the rotating shaft when the rotating handle drives the rotating shaft to rotate.

Further defined, the connection tube comprises a connection tube a and a connection tube B; one end of the connecting pipe A is connected with the sampler host, and the other end of the connecting pipe A is connected with one end, extending out of the partition plate, of the rotary joint; and the connecting pipe B is wound on the storage rack, one end of the connecting pipe B is connected with the extension pipe, and the other end of the connecting pipe B is connected with the impactor. The connecting pipe A and the connecting pipe B are respectively connected with two ends of the rotary joint, and are communicated with the connecting pipe A and the connecting pipe B through the rotary joint, so that the phenomenon that the connecting pipe A rotates and knotted in a rotary mode and cannot be sampled due to the fact that the connecting pipe B is driven to rotate along with the rotation of the rotary shaft is avoided.

Further limiting, wherein a movable door is arranged at one end of the equipment box, on which the storage rack is mounted; the movable door is movably connected to the front side of one end of the equipment box, on which the storage rack is mounted; the movable door is provided with a round hole, and one end of the connecting pipe B passes through the round hole of the movable door and the gap of the striker sleeve to be connected with the striker. The movable door of the equipment box can receive the connecting pipe when the device is not in use.

Further defined, the equipment box is provided with a buckle A matched with the limit belt; the limit belt is movably connected with the equipment box in a "#" shape through the buckle A; the upper ends of the striker sleeve and the telescopic rod are respectively provided with a buckle B; the striker sleeve is movably connected with the telescopic rod through the buckle B. The sampler host is fixed to "#" shape limit belt of equipment box front side that can be better, avoids the sampler host to drop the damage, and limit belt passes through buckle A and equipment box swing joint, conveniently takes the sampler host, and the striker sleeve passes through buckle B and telescopic link swing joint, conveniently takes off the striker sleeve, takes out the striker.

Further defined, the equipment box is provided with a telescopic tripod; the telescopic tripod comprises a telescopic mechanism, a tripod and universal wheels; the top end of the telescopic mechanism is connected with the bottom end of the equipment box, and the bottom end of the telescopic mechanism is fixedly connected with the tripod; the tripod bottom with universal wheel threaded connection. The equipment box is fixed to be raised through flexible tripod, conveniently operates the sampler host computer, and when the sampling height is lower, highly sampling is carried out through telescopic machanism adjustable equipment box, uses the universal wheel to conveniently promote the sampling to same high different places with the equipment box.

Further defined, the telescoping mechanism comprises an inner slide bar, an outer slide bar, and a tightening knob; the top end of the inner sliding rod is provided with threads, the bottom end of the inner sliding rod is in sliding connection with the outer sliding rod, and the telescopic mechanism is in threaded connection with the bottom end of the equipment box through the inner sliding rod; the tightening knob penetrates through one side of the outer sliding rod to be connected with the inner sliding rod. After the height of the equipment box is adjusted through the inner slide bar and the outer slide bar, the inner slide bar can be fixed by rotating the screwing knob, so that the inner slide bar is prevented from sliding.

Further defined, a storage box is arranged at the rear side of the equipment box; the storage box is provided with a groove; the storage box is matched with a corresponding box cover. The grooves formed in the storage box are matched with the shapes of the telescopic tripod, the impactor sleeve and the universal wheels, and after sampling is finished, the telescopic tripod, the impactor sleeve and the universal wheels can be arranged in the storage box and the storage box is covered by the box cover.

Further limited, the center of the top end of the equipment box is provided with a handle, the center of the bottom end of the equipment box is provided with a threaded hole, and the equipment box is connected with the telescopic tripod through the threaded hole. The equipment box is convenient to carry by the handle, and the portable electric power box is convenient to carry.

The working principle of the utility model is as follows:

when the device is used, a sampler host is installed in the equipment box through an opening at the front side of the equipment box 4, the sampler host is fixed through a limiting belt, the impactor is installed in an impactor sleeve, the impactor sleeve is movably installed on a telescopic rod, one end of a connecting pipe on the storage rack is connected with the impactor through a gap on the impactor sleeve, the other end of the connecting pipe penetrates through a partition plate to be connected with the sampler host, the sampler host is opened, and proper sampling flow and time are set for sampling; if need the higher air of sampling, adjust the height that needs the sampling with the striker sleeve through the telescopic link and sample, rotate and accomodate the frame and adjust the connecting pipe to suitable length.

The beneficial effects of the utility model are as follows:

1. the telescopic mechanism of the telescopic tripod and the telescopic rod fixedly arranged on one side of the equipment box can be used for adjusting the sampling height of the sampler, the connecting pipe is conveniently stored through the storage frame, the length of the connecting pipe is conveniently adjusted for sampling, the sampler can conveniently sample air with different heights, and the sampler host and the impactor can be fixed through the "#" limiting belt and the impactor sleeve on the front sides of the equipment box and the equipment box, so that the sampler host and the impactor are prevented from falling and being damaged.

2. The universal wheel at the bottom end of the telescopic tripod is convenient to move when air at different positions at the same height is required to be sampled.

3. According to the storage tank at the rear side of the equipment box, when sampling is not needed, the telescopic tripod, the universal wheels and the impactor sleeve provided with the impactors can be stored, and the equipment box is lifted by the handle at the top end of the equipment box, so that the portable equipment box is convenient to carry.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic diagram of the front view of the equipment cabinet of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic top view of the present utility model;

FIG. 5 is a schematic view of a storage rack according to the present utility model;

FIG. 6 is a schematic cross-sectional view of a telescopic rod according to the present utility model;

fig. 7 is a schematic cross-sectional view of the telescopic mechanism of the present utility model.

In the figure: 1. a sampler host; 2. a striker; 3. a connecting pipe; 301. a connecting pipe A; 302. a connecting pipe B; 4. an equipment box; 401. a partition plate; 402. a limit belt; 403. a buckle A; 404. a handle; 5. a striker sleeve; 501. a gap; 502. a buckle B; 6. a telescopic rod; 601. a slide bar; 602. a spring; 603. a clamping block; 604. opening holes; 7. a storage rack; 701. a frame body; 702. rotating the handle; 703. a rotary joint; 704. a rotation shaft; 705. an extension tube; 8. a movable door; 9. a telescopic tripod; 901. a telescoping mechanism; 902. a tripod; 903. a universal wheel; 904. an inner slide bar; 905. an outer slide bar; 906. tightening a knob; 10. a storage box.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model relates to an air microorganism sampler with adjustable height, which is further described in detail below with reference to the accompanying drawings:

example 1

An air microorganism sampler with adjustable height comprises a sampler main machine 1, an impactor 2, a connecting pipe 3, an equipment box 4, an impactor sleeve 5, a telescopic rod and a storage rack 7; the front side of the equipment box 4 is a full opening; the equipment box 4 is provided with a baffle 401 and a limit belt 402; the sampler main machine 1 and the storage rack 7 are both positioned inside the equipment box 4 and separated by a baffle 401; two or more than two limit belts 402 are arranged horizontally and vertically on the front side of the equipment box 4 provided with one end of the sampler main machine 1; one side of the storage rack 7 is connected with the partition 401, and the other side is connected with the equipment box 4; the top end of the impactor sleeve 5 is fully opened, and a gap 501 is formed on one side of the impactor sleeve; the striker 2 is mounted within the striker sleeve 5; the connecting pipe 3 is wound and connected on the storage rack 7, one end of the connecting pipe is connected with the sampler main machine 1, and the other end of the connecting pipe is connected with the impactor 2 through a gap 501; the telescopic rod 6 is fixedly arranged at one side of the equipment box 4 and is connected with the striker sleeve 5.

The working principle of this embodiment is as follows:

when the device is used, the sampler host 1 is installed in the equipment box 4 through the opening at the front side of the equipment box 4, the sampler host 1 is fixed through the limit belt 402, the impactor 2 is installed in the impactor sleeve 5, the impactor sleeve 5 is movably installed on the telescopic rod 6, one end of the connecting pipe 3 on the storage rack 7 is connected with the impactor 2 through the gap 501 on the impactor sleeve 5, the other end of the connecting pipe passes through the partition plate 401 to be connected with the sampler host 1, the sampler host 1 is opened, and the proper sampling flow and time are set for sampling; if higher air needs to be sampled, the striker sleeve 5 is adjusted to the height required to be sampled through the telescopic rod 6 for sampling, and the rotating storage rack 7 adjusts the connecting pipe 3 to a proper length.

Example 2

The difference from the embodiment 1 is that the telescopic rod 6 includes a slide bar 601, a spring 602, a fixture block 603 and an opening 604, the slide bar 601 is provided with two or more than two and is sleeved from large to small; one end of the spring 602 is fixedly connected with the inner wall of the slide bar 601, and the other end of the spring is fixedly connected with the clamping block 603; the clamping block 603 is used for fixing the sliding rod through the opening 604; the equipment box 4 is provided with a buckle A403 matched with the limit belt; the limit belt 402 is movably connected with the equipment box 4 in a "#" shape through the buckle A403; the upper ends of the striker sleeve 5 and the telescopic rod 6 are respectively provided with a buckle B502; the striker sleeve 5 is movably connected with the telescopic rod 6 through a buckle B502. The striker sleeve 5 can be fixed to a height which is required to be commonly used for sampling through the clamping block 603, the spring and the opening B of the telescopic rod 6; the fixture block 603 blocks the trompil 604, make the slide bar 601 fix, when not using telescopic link 6, press fixture block 603 into in the slide bar 601 through spring 602, shrink slide bar 601, the "#" shape spacing area 402 of equipment box 4 front side can be better fix sample thief host computer 1, avoid sample thief host computer 1 to drop the damage, spacing area 402 passes through buckle A403 and equipment box 4 swing joint, conveniently take sample thief host computer 1, striker sleeve 5 passes through buckle B502 and telescopic link 6 swing joint, conveniently take down striker sleeve 5, take out striker 2.

The working principle of this embodiment is the same as that of embodiment 1.

Example 3

The difference from embodiment 2 is that the housing frame 7 includes a frame body 701, a rotary handle 702, a rotary joint 703, a rotary shaft 704, and an extension tube 705; the frame 701 is U-shaped, one side of the frame is fixedly connected with the baffle 401, and the other side of the frame is fixedly connected with the equipment box 4; the rotary handle 702 is positioned on one side of the equipment box 4, and penetrates through one side of the equipment box 4 and the frame 701 to be fixedly connected with one side of the rotary shaft 704; the other side of the rotating shaft 704 is rotatably connected with the frame 701; the connection pipe 3 is wound around the rotation shaft 704; the rotary joint 703 penetrates through the partition 401 and is fixedly connected with the partition 401, the extension tube (705) is in a shape of a' figure, one end of the extension tube is connected with one end of the rotary joint 703, and the other end extends out of the rotary shaft 704; the connecting pipe 3 comprises a connecting pipe A301 and a connecting pipe B302; one end of the connecting pipe A301 is connected with the sampler host 1, and the other end is connected with one end of the rotary joint 703; the connecting pipe B302 is wound on the rotating shaft 704, one end of the connecting pipe B is connected with one end of the extension pipe 705, and the other end of the connecting pipe B is connected with the striker 2; one end of the equipment box 4, on which the storage rack 7 is arranged, is provided with a movable door 8; the movable door 8 is movably connected to the front side of one end of the equipment box 4, on which the storage rack 7 is arranged; the movable door 8 is provided with a round hole, and one end of the connecting pipe 3 passes through the round hole of the movable door 8 and a gap 501 of the striker sleeve 5 to be connected with the striker 2. The "U" shape support 701 facilitates the connection of the support 701 with the rotation shaft 704, and when the rotation shaft 704 is driven to rotate by the rotation joint 703 and the rotation handle 702, the connection of the rotation joint 703 with the extension tube 705 enables the connection tube B302 connected with the extension tube 705 to rotate along with the rotation shaft 704 when the rotation shaft 704 is driven to rotate by the rotation handle 702, and the connection tube A301 and the connection tube B02 are respectively connected with both ends of the rotation joint 703, so that the connection tube B302 is prevented from rotating along with the rotation shaft, the connection tube A301 is prevented from rotating, and the connection tube A301 cannot be rotated and knotted, and the movable door 8 of the equipment box 4 can accommodate the connection tube 3 when the equipment box is not used.

The working principle of this embodiment is the same as that of embodiment 2.

Example 4

The difference from embodiment 3 is that the equipment box 4 is provided with a telescopic tripod 9; the telescopic tripod 9 comprises a telescopic mechanism 901, a tripod 902 and universal wheels 903; the top end of the telescopic mechanism 901 is connected with the bottom end of the equipment box 4, and the bottom end is fixedly connected with the tripod 902; the bottom end of the tripod 902 is in threaded connection with the universal wheel 903; the telescoping mechanism 901 includes an inner slide bar 904, an outer slide bar 905, and a tightening knob 906; the top end of the inner slide bar 904 is provided with threads, the bottom end of the inner slide bar 904 is in sliding connection with the outer slide bar 905, and the telescopic mechanism 901 is in threaded connection with the bottom end of the equipment box 4 through the inner slide bar 904; a tightening knob 906 is connected to the inner slide 904 through one side of the outer slide 905. The equipment box 4 is fixed to be raised through flexible tripod 9, conveniently operates sampler host 1, and when sampling height is lower, highly sampling through telescopic machanism 901 adjustable equipment box 4, conveniently promotes equipment box 4 to the sampling in same high difference place through universal wheel 903, and after the equipment box 4 is high through interior slide bar 904 and outer slide bar 905 adjustment equipment box, rotation tightening knob 906 can be fixed interior slide bar 904, avoids interior slide bar 904 to slide.

The working principle of this embodiment is the same as that of embodiment 3.

Example 5

The difference from embodiment 4 is that a storage tank 10 is provided at the rear side of the equipment box 4; the storage box 1 is provided with a groove; the storage box 10 is matched with a corresponding box cover; the center of the top 4 end of the equipment box is provided with a handle 404, the center of the bottom end is provided with a threaded hole, and the equipment box 4 is connected with the telescopic tripod 9 through the threaded hole. The recess that bin 10 offered matches with flexible tripod 9, striker sleeve 5 and universal wheel 903 shape, after the sampling, can pack into bin 10 with flexible tripod 9, striker sleeve 5 and universal wheel 903, cover bin 10 through the case lid, conveniently carry equipment box 4 through handle 404, convenient to carry.

The working principle of this embodiment is the same as that of embodiment 4.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides an air microorganism sample thief of adjustable height, includes sample thief host computer (1), impactor (2) and connecting pipe (3), its characterized in that: comprises a device box (4) with a full opening at the front side, a striker sleeve (5), a telescopic rod (6) and a storage rack (7);

the equipment box (4) is provided with a baffle plate (401), a limit belt (402) and a buckle A (403); the sampler main machine (1) and the storage rack (7) are both positioned inside the equipment box (4) and separated by the partition plate (401); two or more than two limit belts (402) are arranged on the front side of the equipment box (4) which is provided with one end of the sampler host (1) in a transverse and vertical mode; one side of the storage rack (7) is connected with the partition plate (401), and the other side of the storage rack is connected with the equipment box (4); the buckle A (403) is matched with the limit belt (402); the limit belt (402) is movably connected with the equipment box (4) in a "#" shape through the buckle A (403); the upper ends of the striker sleeve (5) and the telescopic rod (6) are respectively provided with a buckle B (502); the striker sleeve (5) is movably connected with the telescopic rod (6) through the buckle B (502);

the storage rack (7) comprises a rack body (701), a rotary handle (702), a rotary joint (703), a rotary shaft (704) and an extension tube (705); the frame body (701) is U-shaped, one side of the frame body is fixedly connected with the partition plate (401), and the other side of the frame body is fixedly connected with the equipment box (4); the rotary handle (702) is positioned on one side of the equipment box (4), and penetrates through one side of the equipment box (4) and the frame body (701) to be fixedly connected with one side of the rotary shaft (704); the saidThe other side of the rotating shaft (704) is rotationally connected with the frame body (701); the connecting pipe (3) is connected to the rotating shaft (704) in a winding way; the rotary joint (703) penetrates through the partition board (401) and is fixedly connected with the partition board (401); the extension tube (705) isOne end of the shape is connected with one end of the rotary joint (703), and the other end extends out of the rotary shaft (704);

the connecting pipe (3) comprises a connecting pipe A (301) and a connecting pipe B (302); one end of the connecting pipe A (301) is connected with the sampler host (1), and the other end of the connecting pipe A is connected with one end of the rotary joint (703); the connecting pipe B (302) is wound on the storage rack (7), one end of the connecting pipe B is connected with the extension pipe (705), and the other end of the connecting pipe B is connected with the impactor (2);

the top end of the impactor sleeve (5) is fully opened, and a gap (501) is formed at one side of the impactor sleeve; the striker (2) is mounted within the striker sleeve (5); the connecting pipe (3) is connected to the storage rack (7) in a winding way, one end of the connecting pipe is connected with the sampler main machine (1), and the other end of the connecting pipe is connected with the impactor (2) through the gap (501); the telescopic rod (6) is fixedly arranged on one side of the equipment box (4) and is connected with the impactor sleeve (5).

2. The air microorganism sampler with adjustable height according to claim 1, wherein: the telescopic rod (6) comprises a sliding rod (601), a spring (602), a clamping block (603) and an opening (604), wherein the sliding rod (601) is provided with two or more than two and is sleeved from large to small; one end of the spring (602) is fixedly connected with the inner wall of the slide bar (601), and the other end of the spring is fixedly connected with the clamping block (603); the clamping block (603) is used for fixing the sliding rod (601) through the opening (604).

3. The air microorganism sampler with adjustable height according to claim 1, wherein: one end of the equipment box (4) provided with the storage rack (7) is provided with a movable door (8); the movable door (8) is movably connected to the front side of one end of the equipment box (4) where the storage rack (7) is arranged; the movable door (8) is provided with a round hole, and one end of the connecting pipe B (302) is connected with the impactor (2) through the round hole of the movable door (8) and a gap (501) of the impactor sleeve (5).

4. The air microorganism sampler with adjustable height according to claim 1, wherein: the equipment box (4) is provided with a telescopic tripod (9); the telescopic tripod (9) comprises a telescopic mechanism (901), a tripod (902) and universal wheels (903); the top end of the telescopic mechanism (901) is connected with the bottom end of the equipment box (4), and the bottom end of the telescopic mechanism is fixedly connected with the tripod (902); the bottom end of the tripod (902) is in threaded connection with the universal wheel (903).

5. The air microorganism sampler with adjustable height according to claim 4, wherein: the telescopic mechanism (901) comprises an inner slide rod (904), an outer slide rod (905) and a tightening knob (906); the top end of the inner slide rod (904) is provided with threads, the bottom end of the inner slide rod is in sliding connection with the outer slide rod (905), and the telescopic mechanism (901) is in threaded connection with the bottom end of the equipment box (4) through the inner slide rod (904); the tightening knob (906) is connected to the inner slide (904) through one side of the outer slide bar (905).

6. The air microorganism sampler with adjustable height according to claim 1, wherein: a storage box (10) is arranged at the rear side of the equipment box (4); the storage box (10) is provided with a groove; the storage box (10) is matched with a corresponding box cover.

7. The air microorganism sampler with adjustable height according to claim 4, wherein: the device box (4) is characterized in that a handle (404) is arranged at the center of the top end of the device box (4), a threaded hole is formed in the center of the bottom end of the device box, and the device box (4) is connected with the telescopic tripod (9) through the threaded hole.