Indoor environment detection air collection device

Abstract

The utility model discloses an indoor environment detection air collecting device which comprises a base, a vertical rod, a threaded rod, a disc piece and a shell, a telescopic pipe and a collecting assembly are arranged in the shell, the telescopic pipe is used for storing collected air, and the collecting assembly comprises a sleeve arranged at the top of one set of shell. A sealing plug is slidably mounted on the inner wall of the air injection cylinder, a balance plate is fixedly arranged in the middle of the top end of the sealing plug, a movable rod is fixedly arranged in the middle of the top end of the balance plate, a linkage plate is arranged at the top end of the movable rod, and a telescopic air cylinder is fixedly mounted at the outer end of the air injection cylinder. Air is collected in a scattered storage manner, so that a worker can conveniently classify the collected air samples, confusion is avoided, and the difficulty of subsequent detection work is reduced; and through mutual cooperation of the vertical rod and the threaded rod, a worker can conveniently collect an air sample at the indoor upper position, and the overall flexibility of the equipment is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of indoor environment detection, and in particular relates to an air collection device for indoor environment detection. Background Art

[0002] Indoor environmental testing is a scientific activity that uses modern scientific and technological methods to quantitatively measure the concentration changes of environmental factors and other indoor environmental pollutants that are harmful to human health in an intermittent or continuous manner, and observe and analyze the process and degree of their environmental impact. The purpose of indoor environmental testing is to timely, accurately and comprehensively reflect the current status and development trend of indoor environmental quality, and provide a scientific basis for indoor environmental management, pollution source control, indoor environmental planning, and indoor environmental evaluation.

[0003] Existing air collection devices for indoor environment detection generally collect air in a unified storage manner, which can easily cause confusion among air samples in different rooms, making subsequent detection work more difficult. To this end, an indoor environment detection air collection device is provided. Utility Model Content

[0004] The utility model aims to provide an indoor environment detection air collection device to solve the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: an indoor environment detection air collection device, comprising a base, a vertical pole, a threaded rod, a disc and a shell, wherein the base is fixedly arranged at the middle of the bottom end of the vertical pole, the threaded rod is located inside the vertical pole, the disc is detachably installed at the middle of the top end of the threaded rod, the shell is annular and fixedly installed on the outer wall of the disc at equal intervals, a telescopic tube for storing the collected air is arranged inside the shell, and also comprises: a collection component for collecting air, the collection component comprises a collection component arranged in one A sleeve is assembled on the top of the shell body, and a gas injection cylinder detachably installed in the middle of the top end of the sleeve, a sealing plug is slidably installed on the inner wall of the gas injection cylinder, a balance plate is fixedly installed in the middle of the top end of the sealing plug, a movable rod is fixedly installed in the middle of the top end of the balance plate, a linkage plate is arranged on the top of the movable rod, a telescopic cylinder is fixedly installed on the outer end of the gas injection cylinder, one end of the linkage plate is connected to the movable rod, and the other end of the linkage plate is connected and assembled with the output end of the telescopic cylinder, a gas supply pipe is fixedly installed at the bottom of the gas injection cylinder, and a first gas one-way valve is installed on the outer end of the gas supply pipe.

[0006] Preferably, the threaded rod and the vertical rod are arranged by threaded engagement, the top end of the telescopic tube is connected to the top end of the inner wall of the shell, an exhaust pipe is fixedly arranged in the middle of the bottom end of the telescopic tube, and an exhaust valve is installed at the bottom of the exhaust pipe.

[0007] Preferably, an air inlet pipe is fixedly provided in the middle of the top end of the telescopic tube, the top end of the air inlet pipe passes through the top end of the inner wall of the shell and extends to the top of the shell, a second gas one-way valve is installed on the top of the air inlet pipe, a second expansion bucket is installed on the top of the second gas one-way valve, and an observation port is opened on the outer wall of the shell.

[0008] Preferably, an air guide pipe is installed on the outside of the first gas one-way valve away from one end of the gas supply pipe, a first expansion bucket is fixedly provided in the middle of the top end of the air guide pipe, a guide sleeve for guiding and stabilizing the movable rod is installed on the top of the gas injection cylinder, the movable rod and the guide sleeve are slidably arranged, an air guide port is opened through the middle of the top end of the sleeve, a sealing ring for sealing the joint is provided in the middle of the bottom end of the sleeve, and the lower end face of the sealing ring is in contact with the upper end face of the shell.

[0009] Preferably, it also includes a switching component for switching and tightening the sleeve, the switching component includes a universal joint arranged in the middle of the top end of the disc member, and also includes a pressing frame for pressing the sleeve, the universal joint and the disc member are rotatably arranged through a second adapter shaft.

[0010] Preferably, one end of the pressing frame is rotatably connected to the universal joint via a third adapter shaft, and the other end of the pressing frame is rotatably connected to the sleeve via a first adapter shaft, the outer wall of the third adapter shaft is provided with a torsion spring for resetting and tightening the pressing frame, the second adapter shaft is connected to the disc member, and the outer wall of the second adapter shaft is provided with an anti-slip ring.

[0011] The utility model provides an indoor environment detection air collection device with the following advantages:

[0012] 1. The utility model collects air by decentralized storage, which makes it easy for workers to classify the collected air samples, avoids confusion, and reduces the difficulty of subsequent detection work.

[0013] 2. The utility model facilitates the staff to collect air samples at the upper position of the room through the mutual cooperation of the vertical rod and the threaded rod, thereby improving the overall flexibility of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is an enlarged view of the local structure of the utility model;

[0016] Figure 2 This is a cross-sectional view of the plane structure of the utility model Figure 1 ;

[0017] Figure 3 This is a cross-sectional view of the plane structure of the utility model Figure 2 ;

[0018] Figure 4 This is a cross-sectional view of the plane structure of the utility model Figure 3 .

[0019] Explanation of the markings in the figure: 1, base; 2, upright pole; 3, disc; 4, switching assembly; 401, pressing frame; 402, first transfer shaft; 403, universal joint; 404, torsion spring; 405, second transfer shaft; 406, anti-slip ring; 407, third transfer shaft; 5, collection assembly; 501, sleeve; 502, gas injection cylinder; 503, sealing ring; 504, first gas one-way valve; 505, gas guide tube; 50 6. First expansion bucket; 507. Telescopic cylinder; 508. Linkage plate; 509. Movable rod; 510. Guide sleeve; 511. Balance plate; 512. Sealing plug; 513. Gas pipe; 514. Gas guide port; 6. Threaded rod; 7. Shell; 701. Telescopic tube; 702. Observation port; 703. Exhaust valve; 704. Exhaust pipe; 705. Inlet pipe; 706. Second gas one-way valve; 707. Second expansion bucket. DETAILED DESCRIPTION

[0020] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0021] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0023] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0024] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0025] In order to better understand the purpose, structure and function of the utility model, the following is a further detailed description of the indoor environment detection air collection device of the utility model in conjunction with the accompanying drawings.

[0026] like Figure 1-4 As shown, the utility model is an indoor environment detection air collection device, including a base 1, a vertical pole 2, a threaded rod 6, a disc 3 and a shell 7. The base 1 is fixedly arranged in the middle of the bottom end of the vertical pole 2, the threaded rod 6 is located inside the vertical pole 2, the threaded rod 6 and the vertical pole 2 are arranged by threaded engagement, the disc 3 is detachably installed in the middle of the top end of the threaded rod 6, and the shell 7 is fixedly installed on the outer wall of the disc 3 in a ring shape with equal intervals. The device also includes: a collection component 5 for collecting air.

[0027] Specifically, a telescopic tube 701 for storing collected air is provided inside the shell 7, the top of the telescopic tube 701 is connected to the top of the inner wall of the shell 7, an exhaust pipe 704 is fixedly provided in the middle of the bottom end of the telescopic tube 701 for discharging the collected air, an exhaust valve 703 is installed at the bottom of the exhaust pipe 704 for clearing and intercepting the gas inside the exhaust pipe 704, an air inlet pipe 705 is fixedly provided in the middle of the top end of the telescopic tube 701, the top of the air inlet pipe 705 passes through the top of the inner wall of the shell 7 and extends to the top of the shell 7, a second gas one-way valve 706 is installed on the top of the air inlet pipe 705 for intercepting the gas injected into the air inlet pipe 705, a second expansion bucket 707 is installed on the top of the second gas one-way valve 706, an observation port 702 is provided on the outer wall of the shell 7 for the staff to observe the telescopic state of the telescopic tube 701, and the bottom of the shell 7 is in an open state, which is convenient for the bottom end of the telescopic tube 701 to extend downward.

[0028] Specifically, the collection component 5 includes a sleeve 501 arranged at the top of one group of shells 7, which is used to inject gas into the telescopic tube 701 through the second expansion bucket 707, the second gas one-way valve 706, and the air inlet pipe 705 in sequence, and a gas injection cylinder 502 detachably installed in the middle of the top of the sleeve 501, which is used to inject gas into the sleeve 501. A sealing plug 512 is slidably installed on the inner wall of the gas injection cylinder 502, which is used to extract and pressurize the gas. A balance plate 511 is fixedly installed in the middle of the top of the sealing plug 512, and a movable rod 509 is fixedly installed in the middle of the top of the balance plate 511. A linkage plate 508 is arranged at the top of the movable rod 509. A telescopic cylinder 507 is fixedly installed at the outer end of the gas injection cylinder 502, which is used to cooperate with the linkage plate 508 to push and pull the movable rod 509. One end of the linkage plate 508 is connected to the movable rod 509, and the other end of the linkage plate 508 is connected to the output end of the telescopic cylinder 507. The bottom of the gas injection cylinder 502 is fixedly provided with a gas delivery pipe 513, and the outer end of the gas delivery pipe 513 is installed with a first gas one-way valve 504 for intercepting the gas injected into the gas delivery pipe 513. The outer end of the first gas one-way valve 504 is installed with a gas guide pipe 505 away from the gas delivery pipe 513. The middle part of the top of the gas guide pipe 505 is fixedly provided with a first expansion bucket 506 for sequentially passing the external gas through the gas guide pipe 505, the first gas one-way valve 504, and the gas guide pipe 505. The valve 504 and the air delivery pipe 513 are injected into the air injection cylinder 502. A guide sleeve 510 is installed on the top of the air injection cylinder 502 for guiding and stabilizing the movable rod 509. The movable rod 509 and the guide sleeve 510 are slidably arranged. An air guide port 514 is opened through the middle of the top end of the sleeve 501. A sealing ring 503 is provided in the middle of the bottom end of the sleeve 501 for sealing the joint. The lower end face of the sealing ring 503 fits with the upper end face of the shell 7.

[0029] Furthermore, in order to facilitate the staff to replace and fix the sleeve 501, the utility model is also provided with a switching component 4 for switching and tightening the sleeve 501. Specifically, the switching component 4 includes a universal joint 403 arranged in the middle of the top end of the disc member 3, and also includes a pressing frame 401 for pressing the sleeve 501. The universal joint 403 and the disc member 3 are rotatably arranged through the second adapter shaft 405, one end of the pressing frame 401 and the universal joint 403 are rotatably arranged through the third adapter shaft 407, and the other end of the pressing frame 401 and the sleeve 501 are rotatably arranged through the first adapter shaft 402, the outer wall of the third adapter shaft 407 is provided with a torsion spring 404 for resetting and tightening the pressing frame 401, the second adapter shaft 405 is connected to the disc member 3, and the outer wall of the second adapter shaft 405 is provided with an anti-slip ring 406.

[0030] According to the above, the utility model collects air by decentralized storage, which makes it convenient for the staff to classify the collected air samples, avoids confusion, and reduces the difficulty of subsequent detection work; the utility model facilitates the staff to collect air samples at the upper position of the room through the mutual cooperation of the vertical pole 2 and the threaded rod 6, thereby improving the overall flexibility of the equipment.

[0031] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. An indoor environment detection air collection device, characterized in that: The invention comprises a base (1), a vertical rod (2), a threaded rod (6), a disc (3) and a shell (7), wherein the base (1) is fixedly arranged at the middle of the bottom end of the vertical rod (2), the threaded rod (6) is located inside the vertical rod (2), the disc (3) is detachably mounted at the middle of the top end of the threaded rod (6), the shell (7) is fixedly mounted on the outer wall of the disc (3) in an annular shape and at equal intervals, a telescopic tube (701) for storing collected air is arranged inside the shell (7), and further comprises: a collection component (5) for collecting air, the collection component (5) comprising a sleeve (501) arranged at the top of one group of the shells (7), and an air injection cylinder (502) detachably mounted at the middle of the top end of the sleeve (501) A sealing plug (512) is slidably installed on the inner wall of the gas injection cylinder (502), a balance plate (511) is fixedly installed in the middle of the top end of the sealing plug (512), a movable rod (509) is fixedly installed in the middle of the top end of the balance plate (511), and a linkage plate (508) is installed at the top of the movable rod (509). A telescopic cylinder (507) is fixedly installed on the outer end of the gas injection cylinder (502), one end of the linkage plate (508) is connected to the movable rod (509), and the other end of the linkage plate (508) is connected and assembled with the output end of the telescopic cylinder (507), a gas supply pipe (513) is fixedly installed at the bottom of the gas injection cylinder (502), and a first gas one-way valve (504) is installed at the outer end of the gas supply pipe (513).

2. An indoor environment detection air collection device according to claim 1, characterized in that: The threaded rod (6) and the vertical rod (2) are arranged by threaded engagement, the top end of the telescopic tube (701) is connected to the top end of the inner wall of the shell (7), an exhaust pipe (704) is fixedly arranged in the middle of the bottom end of the telescopic tube (701), and an exhaust valve (703) is installed at the bottom of the exhaust pipe (704).

3. The indoor environment detection air collection device according to claim 1, characterized in that: An air intake pipe (705) is fixedly arranged at the middle of the top end of the telescopic tube (701); the top end of the air intake pipe (705) passes through the top end of the inner wall of the shell (7) and extends to the top of the shell (7); a second gas one-way valve (706) is installed at the top of the air intake pipe (705); a second expansion bucket (707) is installed at the top of the second gas one-way valve (706); and an observation port (702) is opened on the outer wall of the shell (7).

4. The indoor environment detection air collection device according to claim 1, characterized in that: An air guide tube (505) is installed on the outside of the first gas one-way valve (504) at one end away from the gas supply pipe (513), and a first expansion bucket (506) is fixedly arranged in the middle of the top end of the air guide tube (505). A guide sleeve (510) for guiding and stabilizing the movable rod (509) is installed on the top of the gas injection cylinder (502). The movable rod (509) and the guide sleeve (510) are slidably arranged. A gas guide port (514) is opened through the middle of the top end of the sleeve (501), and a sealing ring (503) for sealing the connection is arranged in the middle of the bottom end of the sleeve (501), and the lower end surface of the sealing ring (503) is in contact with the upper end surface of the shell (7).

5. The indoor environment detection air collection device according to claim 1, characterized in that: It also includes a switching assembly (4) for switching and tightening the sleeve (501), the switching assembly (4) including a universal joint (403) arranged in the middle of the top end of the disc member (3), and also including a pressing frame (401) for pressing the sleeve (501), the universal joint (403) and the disc member (3) being rotatably arranged via a second transfer shaft (405).

6. The indoor environment detection air collection device according to claim 5, characterized in that: One end of the pressing frame (401) is rotatably arranged with the universal joint (403) via a third transfer shaft (407), and the other end of the pressing frame (401) is rotatably arranged with the sleeve (501) via a first transfer shaft (402); the outer wall of the third transfer shaft (407) is provided with a torsion spring (404) for resetting and tightening the pressing frame (401); the second transfer shaft (405) is connected to the disc member (3); and the outer wall of the second transfer shaft (405) is provided with an anti-slip ring (406).

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