CN217277195U

CN217277195U - Gas sampling device for atmospheric environment detection

Info

Publication number: CN217277195U
Application number: CN202220353956.XU
Authority: CN
Inventors: 侯芸霞; 张培青
Original assignee: Qinghai Lanbo Detection Technology Co ltd
Current assignee: Qinghai Lanbo Detection Technology Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-08-23
Anticipated expiration: 2032-02-18

Abstract

The utility model belongs to the technical field of atmospheric environment detects and specifically relates to a gaseous sampling device that atmospheric environment detected usefulness is related to, including the sampling pipe, the center department inner wall welding of sampling pipe has the division board, and the center department threaded connection of division board has the screw rod, the one end of screw rod is rotated and is connected with sealing piston, and sealing piston sliding connection is at the sampling pipe inner wall, the sampling pipe is kept away from sealing piston one end inner wall and is equipped with drive assembly, and the sampling pipe is located sealing piston one end outer wall and is connected with air intake component and exhaust subassembly respectively. The utility model discloses a sampling pipe, drive motor, division board and fixed slide realize, and drive motor passes through drive gear and drives the screw rod and rotate, and screw rod division board threaded connection and then drive sealing piston and fixed slide and remove, and the extraction of being convenient for is gaseous, and the buffering of being convenient for improves work efficiency, and the sampling of being convenient for prevents that gas from running out, is convenient for collect gas, improves sampling efficiency.

Description

Gas sampling device for atmospheric environment detection

Technical Field

The utility model relates to an atmospheric environment detects technical field, especially relates to a gaseous sampling device that atmospheric environment detected usefulness.

Background

Atmospheric environment refers to the physical, chemical and biological properties of the air through which organisms live. The physical characteristics mainly include temperature, humidity, wind speed, air pressure and precipitation of the air, all of which are caused by the motive force of solar radiation. The chemical properties are mainly the chemical composition of air: the atmospheric troposphere contains 99.96% of 3 gases of nitrogen, oxygen and hydrogen, 0.03% of carbon dioxide, and trace impurities and water vapor with large content change; atmospheric environmental monitoring is a process of determining the concentration of pollutants in the atmospheric environment, observing and analyzing the changes and the influence on the environment. The atmospheric pollution monitoring is to determine the type and concentration of pollutants in the atmosphere and observe the time-space distribution and change rule of the pollutants, and the traditional atmospheric monitoring sampling device using the mode is inconvenient for collecting gas and has lower working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a gas sampling device for atmospheric environment detection.

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

the utility model provides a gaseous sampling device that atmospheric environment detected usefulness, includes the sampling pipe, the welding of the center department inner wall of sampling pipe has the division board, and the center department threaded connection of division board has the screw rod, the one end of screw rod is rotated and is connected with sealed piston, and sealed piston sliding connection is at the sampling inside pipe wall, sealed piston one end inner wall is kept away from to the sampling pipe and is equipped with drive assembly, and the sampling pipe is located sealed piston one end outer wall and is connected with air intake assembly and exhaust subassembly respectively, the welding of the top outer wall both sides of sampling pipe has the handle, and the welding of the bottom outer wall of sampling pipe has supporting baseplate, the battery is installed to the supporting baseplate inner wall.

Preferably, the driving assembly comprises a sliding groove formed in the top and the bottom inner wall of one end of the sampling pipe, a fixed sliding plate connected in the sliding groove in a sliding mode, a transmission motor installed on the outer wall of the bottom end of the fixed sliding plate, a buffer spring welded at the center of the inner wall of one end of the sampling pipe, a contact plate welded at the other end of the buffer spring and a rotating plate rotatably connected to the outer wall of one side of the contact plate.

Preferably, the screw rod is rotatably connected to the center of the fixed sliding plate through a bearing, a transmission gear is sleeved on one end of the screw rod and an output shaft of the transmission motor, and the rotating plate is in contact with the outer wall of the transmission gear in the screw rod.

Preferably, the air inlet assembly and the air outlet assembly respectively comprise an air pipe, a guide ring welded on the inner wall of the air pipe, a fit ring welded on the inner wall of one end of the guide ring, a support plate welded on the inner wall of the air pipe, a sealing spring welded at the center of the outer wall of one side of the support plate, a sealing steel ball welded at the other end of the sealing spring and a filter screen sleeved on the inner wall of one side of the air pipe.

Preferably, the sealing steel ball is matched with the engagement ring, an air hole is formed in the position, located on one side of the sealing steel ball, of the guide ring, an air penetrating hole is formed in the outer wall of the supporting plate, and the sealing steel ball is connected to the inner side outer wall of the guide ring in a sliding mode.

Preferably, the transmission motor is connected with the switch through a lead, and the switch is connected with the storage battery through a lead.

The utility model has the advantages that:

1. the sampling device is realized by a sampling pipe, a transmission motor, a partition plate and a fixed sliding plate, the transmission motor drives a screw to rotate through a transmission gear, the screw partition plate is in threaded connection to further drive a sealing piston and the fixed sliding plate to move, so that gas can be extracted conveniently, sampling and buffering are facilitated, and the working efficiency is improved;

2. through trachea, sealed steel ball, backup pad and the ring realization that agrees with, sealed steel ball, sealing spring and the cooperation of agreeing with the ring carry out one-way air inlet and outlet respectively in the subassembly that admits air and the exhaust subassembly, are convenient for sample, prevent that gaseous from running out, are convenient for collect gaseous, improve sampling efficiency.

Drawings

Fig. 1 is a schematic view of an overall cross-sectional structure of a gas sampling device for atmospheric environment detection according to the present invention;

fig. 2 is a schematic structural view of a gas sampling device for atmospheric environment detection according to the present invention;

fig. 3 is the utility model provides a gas sampling device's that atmospheric environment detected usefulness trachea internal structure schematic diagram.

In the figure: the device comprises a sampling pipe 1, a partition plate 2, a screw rod 3, a sealing piston 4, a sliding chute 5, a fixed sliding plate 6, a transmission motor 7, a transmission gear 8, a buffer spring 9, a contact plate 10, a support bottom plate 11, a handle 12, an air inlet component 13, an air outlet component 14, a storage battery 15, an air pipe 16, a guide ring 17, a fit ring 18, a support plate 19, a sealing spring 20, a sealing steel ball 21 and a filter screen 22.

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.

Example 1:

referring to fig. 1, a gas sampling device for atmospheric environment detection, including a sampling tube 1, a partition plate 2 is welded on the inner wall of the center of the sampling tube 1, a screw 3 is screwed in the center of the partition plate 2, a sealing piston 4 is rotatably connected at one end of the screw 3, the sealing piston 4 is slidably connected on the inner wall of the sampling tube 1, a driving component is arranged on the inner wall of the sampling tube 1 far away from the sealing piston 4, an air inlet component 13 and an air outlet component 14 are respectively connected on the outer wall of the sampling tube 1 at one end of the sealing piston 4, a handle 12 is welded on two sides of the outer wall of the top end of the sampling tube 1, a supporting base plate 11 is welded on the outer wall of the bottom end of the sampling tube 1, a storage battery 15 is arranged on the inner wall of the supporting base plate 11, the driving component includes a chute 5 arranged on the inner wall of the top and the bottom of one end of the sampling tube 1, a fixed sliding plate 6 slidably connected in the chute 5, and a transmission motor 7 arranged on the outer wall of the bottom end of the fixed sliding plate 6, The sampling tube comprises a buffer spring 9 welded at the center of the inner wall of one end of the sampling tube 1, a contact plate 10 welded at the other end of the buffer spring 9 and a rotating plate rotatably connected to the outer wall of one side of the contact plate 10, a screw rod 3 is rotatably connected to the center of a fixed sliding plate 6 through a bearing, a transmission gear 8 is respectively sleeved at one end of the screw rod 3 and an output shaft of a transmission motor 7, and the rotating plate is in contact with the outer wall of the transmission gear 8 in the screw rod 3;

the transmission motor 7 drives the screw rod 3 to rotate through the transmission gear 8, the screw rod 3 is in threaded connection with the separation plate 2, then the sealing piston 4 and the fixed sliding plate 6 are driven to move, gas can be extracted conveniently, sampling is facilitated, buffering is facilitated, and working efficiency is improved.

Example 2:

referring to fig. 1-3, the air intake assembly 13 and the exhaust assembly 14 include an air pipe 16, a guide ring 17 welded on the inner wall of the air pipe 16, a fitting ring 18 welded on the inner wall of one end of the guide ring 17, a support plate 19 welded on the inner wall of the air pipe 16, a sealing spring 20 welded at the center of the outer wall of one side of the support plate 19, a sealing steel ball 21 welded at the other end of the sealing spring 20, and a filter screen 22 sleeved on the inner wall of one side of the air pipe 16, wherein the sealing steel ball 21 is adapted to the fitting ring 18, an air hole is formed in one side of the guide ring 17 where the sealing steel ball 21 is located, an air penetration hole is formed in the outer wall of the support plate 19, the sealing steel ball 21 is slidably connected to the inner side and outer wall of the guide ring 17, the transmission motor 7 is connected to a switch through a wire, and the switch is connected to the storage battery 15 through a wire;

the sealing steel balls 21, the sealing springs 20 and the conjunction rings 18 in the air inlet assembly 13 and the air outlet assembly 14 are matched to respectively carry out unidirectional air inlet and outlet, so that the sampling is convenient, the gas is prevented from running out, the gas is convenient to collect, and the sampling efficiency is improved.

The working principle is as follows: when the sampling tube is used, the sampling tube 1 is placed in a sampling area, a switch is started, a transmission motor 7 drives a transmission gear 8 to rotate after receiving energy, the transmission gear 8 is meshed with each other to drive a screw rod 3 to rotate, the screw rod 3 is in threaded fit with a partition plate 2 to drive a sealing piston 4 to move, external gas is pumped into the sampling tube 1, a fixed sliding plate 6 moves along with the screw rod 3 under the action of a chute 5 and a bearing, a buffer spring 9 is matched with a contact plate 10 to buffer after reaching one end, the sealing piston 4 pumps the gas, sealing steel balls 21 are separated from an engagement ring 18 under the action of pressure of the inner wall of the sampling tube 1 in a gas tube 16, the gas enters the inner wall of the sampling tube 1 after being filtered by a filter screen 22, the sealing spring 20 supports the sealing steel balls 21 into the engagement ring 18 after the internal pressure and the external pressure are balanced, the sealing is carried out again, the sampling tube 1 moves to the detection area after the collection is completed, and the transmission motor 7 turns over, the gas is pushed out of the sampling pipe 1 through the screw 3 and the sealing piston 4.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A gas sampling device for atmospheric environment detection comprises a sampling pipe (1), and is characterized in that a partition plate (2) is welded on the inner wall of the center of the sampling pipe (1), a screw (3) is in threaded connection with the center of the partition plate (2), one end of the screw (3) is rotationally connected with a sealing piston (4), and the sealing piston (4) is connected with the inner wall of the sampling pipe (1) in a sliding way, a driving component is arranged on the inner wall of one end of the sampling pipe (1) far away from the sealing piston (4), and the outer wall of the sampling pipe (1) at one end of the sealing piston (4) is respectively connected with an air inlet component (13) and an air outlet component (14), handles (12) are welded on two sides of the outer wall of the top end of the sampling pipe (1), and the bottom outer wall welding of sampling pipe (1) has supporting baseplate (11), battery (15) are installed to supporting baseplate (11) inner wall.

2. The gas sampling device for atmospheric environment detection according to claim 1, wherein the driving assembly comprises sliding grooves (5) formed in the top and bottom inner walls of one end of the sampling tube (1), a fixed sliding plate (6) slidably connected in the sliding grooves (5), a transmission motor (7) installed on the outer wall of the bottom end of the fixed sliding plate (6), a buffer spring (9) welded at the center of the inner wall of one end of the sampling tube (1), a contact plate (10) welded at the other end of the buffer spring (9), and a rotating plate rotatably connected to the outer wall of one side of the contact plate (10).

3. The gas sampling device for atmospheric environment detection according to claim 2, wherein the screw (3) is rotatably connected to the center of the fixed sliding plate (6) through a bearing, a transmission gear (8) is sleeved on one end of the screw (3) and an output shaft of the transmission motor (7), and the rotating plate is in contact with the outer wall of the transmission gear (8) in the screw (3).

4. The gas sampling device for atmospheric environment detection according to claim 1, wherein the gas inlet assembly (13) and the gas outlet assembly (14) each comprise a gas pipe (16), a guide ring (17) welded to an inner wall of the gas pipe (16), a fitting ring (18) welded to an inner wall of one end of the guide ring (17), a support plate (19) welded to an inner wall of the gas pipe (16), a sealing spring (20) welded to a center of an outer wall of one side of the support plate (19), a sealing steel ball (21) welded to the other end of the sealing spring (20), and a filter screen (22) sleeved to an inner wall of one side of the gas pipe (16).

5. The gas sampling device for atmospheric environment detection according to claim 4, wherein the sealing steel ball (21) is adapted to the fitting ring (18), an air hole is formed in one side of the sealing steel ball (21) of the guide ring (17), an air through hole is formed in the outer wall of the support plate (19), and the sealing steel ball (21) is slidably connected to the inner side outer wall of the guide ring (17).

6. A gas sampling device for atmospheric environmental sensing according to claim 2, wherein the drive motor (7) is connected to the switch by a wire, and the switch is connected to the battery (15) by a wire.