Air collector

Abstract

The utility model discloses an air collector which comprises a sampling cylinder, one end of the sampling cylinder is in threaded connection with a sealing cover, a piston is connected in the sampling cylinder in a sliding mode, one end of the piston is fixedly connected with a pull rod, one end of the pull rod penetrates through the side wall of the sealing cover and is connected with the sealing cover in a sliding mode, and one end of the pull rod is fixedly connected with a pull block. A handle is fixedly connected to the side wall of the sampling cylinder, an air outlet pipe is fixedly connected to the side wall of one end of the sampling cylinder, the air outlet pipe is communicated with the interior of the sampling cylinder, an air guide pipe is fixedly connected to one end of the air outlet pipe, and two plugging devices are arranged in the air guide pipe. Through mutual cooperation of the pull rod, the piston, the sealing cover, the plugging plate and other parts, air is collected in a drawing mode, electric appliances such as a motor and a vacuum pump are not needed, and the whole device is small and light, so that the whole device is convenient to carry and easy, convenient and fast to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of collectors, in particular to an air collector. Background Art

[0002] In the existing indoor air quality testing, it is sometimes necessary to collect indoor air first and then bring it back to the laboratory for testing. If the existing air collection uses a fan, the equipment is heavy. If a pull-type air collection is used, the length of the equipment after collection is long, which is inconvenient for staff to carry.

[0003] For example, Chinese patent publication number CN212988946U discloses an environmental detection air collector, which includes a main box, a connecting pipe, a collecting plate and a motor. The connecting pipe is plugged into the upper end of the main box, the collecting plate is arranged at the upper end of the connecting pipe, the collecting plate is rotatably connected to the connecting pipe, the motor is arranged at the upper end of the collecting plate, and the motor is key-connected to the collecting plate. The utility model has the beneficial effect that the motor can drive the collecting plate to rotate at a high speed, increase the convection speed between the air and the collecting plate, and cooperate with the vacuum pump to make the device unaffected by environmental factors, thereby improving the collection efficiency and practicality of the device.

[0004] However, in the above scheme, a motor and a vacuum pump are required when sampling the air, which makes the entire device larger in size. A power supply is required when sampling, which makes it inconvenient to carry the entire device and is not very convenient. Utility Model Content

[0005] The utility model provides an air collector to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The lipstick is connected with a plastic cap at one end, and a piston is connected with the plastic cap at one end. The plastic cap is fixedly connected with a pull rod at one end, and one end of the pull rod passes through the side wall of the sealing cover and is slidably connected with the sealing cover. One end of the pull rod is fixedly connected with a pull block, and a handle is fixedly connected with the side wall of the sampling tube. The air outlet pipe is connected with the sampling tube at one end. The air outlet pipe is connected with the air sampling tube at one end. The air outlet pipe is fixedly connected with the air guide pipe. The air guide pipe is vertically arranged. Two blocking devices are provided in the air guide pipe. The two blocking devices are located at the upper and lower sides of the air outlet pipe. The top of the air guide pipe is threadedly connected with a cap. The bottom of the air guide pipe is fixedly connected with an air storage bag. The air guide pipe is connected with the air storage bag. The bottom of the air storage bag is fixedly connected with an air outlet nozzle, and the air outlet nozzle is connected with the air storage bag. The side wall of the air outlet nozzle is provided with a valve.

[0008] As a further improvement of the present technical solution: the two blocking devices each include an inclined plate, the two inclined plates are fixedly connected to the inner wall of the air guide tube, the side walls of the two inclined plates are fixedly connected with springs, one end of the two springs is fixedly connected to a blocking plate, one end of the two blocking plates is rotatably connected between the two blocks through a rotating shaft, the four blocks are fixedly connected to the inner wall of the air guide tube, and two baffles are fixedly connected to the inner wall of the air guide tube, and the two baffles are respectively located above one end of the two blocking plates.

[0009] As a further improvement of the technical solution: a sealing gasket is provided on the side wall of the outer ring of the piston.

[0010] As a further improvement of the technical solution: the handle surface is provided with anti-slip patterns.

[0011] As a further improvement of the technical solution: a rubber pad is provided on the side wall of the pull block.

[0012] As a further improvement of the technical solution: the outer ring side walls of the cap and the sealing cover are both provided with anti-slip grooves.

[0013] Compared with the prior art, the beneficial effect of the utility model is that the device collects air by pulling and drawing through the cooperation of the pull rod, piston, sealing cover, sealing plate and other components, without the need for electrical appliances such as motors and vacuum pumps, making the entire device small and light, thereby facilitating the carrying of the entire device, and the operation is simple, convenient and fast.

[0014] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 This is a schematic diagram of the front cross-sectional structure of an air collector proposed by the utility model;

[0017] Figure 2 for Figure 1 A is a schematic diagram of the partially enlarged structure of the middle part;

[0018] Figure 3 This is a front view structural schematic diagram of an air collector proposed by the utility model.

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0020] 1. Sampling cylinder; 2. Piston; 3. Handle; 4. Pull rod; 5. Sealing cover; 6. Pull block; 7. Air outlet pipe; 8. Cover cap; 9. Air guide tube; 10. Air storage bag; 11. Air outlet nozzle; 12. Valve; 13. Block; 14. Sealing plate; 15. Spring; 16. Baffle; 17. Tilt plate. DETAILED DESCRIPTION

[0021] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0022] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] See also Figure 1-3In the embodiment of the utility model, an air collector includes a sampling tube 1, one end of the sampling tube 1 is threadedly connected to a sealing cover 5, a piston 2 is slidably connected in the sampling tube 1, one end of the piston 2 is fixedly connected to a pull rod 4, one end of the pull rod 4 passes through the side wall of the sealing cover 5 and is slidably connected to the sealing cover 5, one end of the pull rod 4 is fixedly connected to a pull block 6, a handle 3 is fixedly connected to the side wall of the sampling tube 1, an air outlet pipe 7 is fixedly connected to the side wall of one end of the sampling tube 1, the air outlet pipe 7 is connected to the inside of the sampling tube 1, and one end of the air outlet pipe 7 is fixedly connected to the side wall of the sampling tube 1. An air duct 9 is fixedly connected thereto, the air duct 9 is vertically arranged, two blocking devices are arranged in the air duct 9, the two blocking devices are located at the upper and lower sides of the air outlet pipe 7, a cap 8 is threadedly connected to the top of the air duct 9, the cap 8 and the outer ring side wall of the sealing cover 5 are provided with anti-slip patterns, an air storage bag 10 is fixedly connected to the bottom of the air duct 9, the air duct 9 is connected to the inside of the air storage bag 10, an air outlet nozzle 11 is fixedly connected to the bottom of the air storage bag 10, the air outlet nozzle 11 is connected to the inside of the air storage bag 10, and a valve 12 is arranged on the side wall of the air outlet nozzle 11.

[0025] See also Figure 1-2The two blocking devices each include an inclined plate 17, the two inclined plates 17 are fixedly connected to the inner wall of the air guide tube 9, the side walls of the two inclined plates 17 are fixedly connected with springs 15, one end of the two springs 15 is fixedly connected with a blocking plate 14, one end of the two blocking plates 14 is rotatably connected between the two blockers 13 through a rotating shaft, the four blockers 13 are fixedly connected to the inner wall of the air guide tube 9, and the inner wall of the air guide tube 9 is fixedly connected with two baffles 16, which are respectively located above one end of the two blocking plates 14, and the pull block is pulled. 6, the pull block 6 drives the piston 2 to move through the pull rod 4, and the piston 2 generates suction when moving. The suction enters the air guide pipe 9 through the air outlet pipe 7. The two blocking plates 14 rotate toward the air outlet pipe 7 under the action of the suction, so that the upper blocking plate 14 squeezes the spring 15, thereby releasing the seal of the upper blocking plate 14 on the inside of the air guide pipe 9, and the lower blocking plate 14 will abut against the side wall of the baffle 16, so that the lower blocking plate 14 cannot rotate, thereby maintaining the seal of the lower blocking plate 14 on the inside of the air guide pipe 9, and the gas will pass The air passes through the top of the airway 9 and enters the airway 9, then flows into the air outlet pipe 7 through the sealing plate 14 and the inner wall of the airway 9, and then enters the sampling tube 1. When the piston 2 stops moving, the spring 15 will drive the upper sealing plate 14 to reset, so that the upper sealing plate 14 seals the inside of the airway 9, and then by pressing the pull block 6, the pull block 6 drives the piston 2 to squeeze the air in the sampling tube 1, so that the air enters the airway 9 through the outlet pipe 7, and the air squeezes the two sealing plates 14 to rotate, so that the two sealing plates 14 are back and forth. When rotating in the direction away from the air outlet pipe 7, the upper sealing plate 14 will squeeze the baffle 16, making the upper sealing plate 14 unable to rotate, and the lower sealing plate 14 will rotate and squeeze the spring 15, and then the gas will flow into the air storage bag 10 through the lower sealing plate 14 and the inner wall of the air guide tube 9, so as to preserve the gas. When the gas in the sampling tube 1 is squeezed, the spring 15 will drive the lower sealing plate 14 to automatically reset, so as to maintain the sealing of the lower sealing plate 14, and then the gas can be collected by reciprocatingly pulling the pull block 6.

[0026] See also Figure 1 A sealing gasket is provided on the outer side wall of the piston 2 to improve the sealing between the piston 2 and the inner side wall of the sampling tube 1 and improve the efficiency of air collection.

[0027] See also Figure 1 , Figure 3 The surface of the handle 3 is provided with anti-skid patterns to prevent the handle 3 from slipping when in use.

[0028] See also Figure 1 , Figure 3 The side wall of the pull block 6 is provided with a rubber pad to improve the comfort when pressing the pull block 6.

[0029] The working principle of the utility model is as follows: when it is necessary to collect air, the cap 8 is unscrewed and the pull block 6 is pulled. The pull block 6 drives the piston 2 to move through the pull rod 4. The piston 2 generates suction when moving, and the air is sucked into the air outlet pipe 7 through the air guide pipe 9, and enters the sampling tube 1 through the air outlet pipe 7. Then, the pull block 6 is pressed to make the air enter the air guide pipe 9 through the air outlet pipe 7, and then enter the air storage bag 10 through the air guide pipe 9 for storage. By pulling the pull block 6 back and forth, the gas can be collected without the need for electrical appliances such as motors and vacuum pumps, so that the entire device becomes compact and light, thereby facilitating the carrying of the entire device. After the collection is completed, the cap 8 is screwed on to prevent dust and other impurities from entering the air guide pipe 9. Then, by opening the valve 12, the air in the air storage bag 10 can be discharged through the air outlet nozzle 11.

[0030] By twisting the sealing cover 5 and removing it, the piston 2 can be pulled out, so that the sealing gasket on the outer ring of the piston 2 can be replaced, thereby improving the sealing between the piston 2 and the inner wall of the sampling tube 1.

[0031] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. An air collector, comprising a sampling tube (1), characterized in that: One end of the sampling tube (1) is threadedly connected to a sealing cover (5), a piston (2) is slidably connected inside the sampling tube (1), one end of the piston (2) is fixedly connected to a pull rod (4), one end of the pull rod (4) passes through the side wall of the sealing cover (5) and is slidably connected to the sealing cover (5), one end of the pull rod (4) is fixedly connected to a pull block (6), the side wall of the sampling tube (1) is fixedly connected to a handle (3), one end of the sampling tube (1) is fixedly connected to an air outlet pipe (7), the air outlet pipe (7) is connected to the inside of the sampling tube (1), and one end of the air outlet pipe (7) is fixedly connected to An air guide tube (9) is connected, the air guide tube (9) is arranged in a vertical shape, two blocking devices are arranged in the air guide tube (9), and the two blocking devices are located at the upper and lower sides of the air outlet pipe (7). A cap (8) is threadedly connected to the top of the air guide tube (9), and an air storage bag (10) is fixedly connected to the bottom of the air guide tube (9). The air guide tube (9) is connected to the inside of the air storage bag (10), and an air outlet nozzle (11) is fixedly connected to the bottom of the air storage bag (10). The air outlet nozzle (11) is connected to the inside of the air storage bag (10), and a valve (12) is arranged on the side wall of the air outlet nozzle (11).

2. An air collector according to claim 1, characterized in that: The two blocking devices each comprise an inclined plate (17), the two inclined plates (17) are both fixedly connected to the inner wall of the air guide tube (9), the side walls of the two inclined plates (17) are both fixedly connected to a spring (15), one end of the two springs (15) are both fixedly connected to a blocking plate (14), one end of the two blocking plates (14) are both rotatably connected between two blocks (13) via a rotating shaft, the four blocks (13) are all fixedly connected to the inner wall of the air guide tube (9), two baffles (16) are fixedly connected to the inner wall of the air guide tube (9), and the two baffles (16) are respectively located above one end of the two blocking plates (14).

3. The air collector according to claim 1, characterized in that: A sealing gasket is provided on the side wall of the outer ring of the piston (2).

4. The air collector according to claim 1, characterized in that: The surface of the handle (3) is provided with anti-slip patterns.

5. The air collector according to claim 1, characterized in that: The side wall of the pulling block (6) is provided with a rubber pad.

6. The air collector according to claim 1, characterized in that: The outer side walls of the cover cap (8) and the sealing cover (5) are both provided with anti-slip grooves.

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