CN210774912U

CN210774912U - Gas sampling device for environment detection

Info

Publication number: CN210774912U
Application number: CN201921181770.5U
Authority: CN
Inventors: 璧典寒; 赵亮
Original assignee: Jinan Haohong Weiye Testing Technology Co Ltd
Current assignee: Jinan Haohong Weiye Testing Technology Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-06-16
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a gas sampling device for environmental test, including the discharge, it has the piston rod to peg graft at the middle part of discharge, and the one end fixedly connected with pull ring of piston rod, the one end fixedly connected with fixed plate of piston rod, and the bottom fixedly connected with iron plate of fixed plate, the discharge is close to the bottom fixedly connected with electro-magnet of fixed plate one end outer wall, and electro-magnet and iron plate looks adaptation, the bottom fixedly connected with on-off mechanism of discharge one side outer wall, and the middle part of piston rod is pegged graft and is had the piston board, the external diameter of piston board and the internal diameter looks adaptation of discharge. The utility model discloses a button switch is the electro-magnet circular telegram, adsorbs the iron sheet through the electro-magnet, fixes the fixed plate at the mouth of pipe of collecting, avoids the gaseous and external circulation in the collecting, and the grab handle makes the device staff of being convenient for grip, and button switch sets up on the grab handle, has simplified the control of electro-magnet circuit break-make.

Description

Gas sampling device for environment detection

Technical Field

The utility model relates to an environmental detection technical field especially relates to a gas sampling device for environmental detection.

Background

At present, environmental monitoring utilizes the GIS technique to design the environmental monitoring network, and the information that environmental monitoring collected can pass through GIS in good time storage and demonstration again to carry out detailed field monitoring and analysis to the selected evaluation area, carry out environmental gas detection time measuring, need sample the site gas.

Through retrieval, chinese patent application No. CN201721018326.2 discloses a gas sampling device for environmental detection, which comprises a telescopic rod, a support cylinder, a gas sampling bag, an end cap, a C-shaped spring, a threaded cylinder, a sampling bag pull rope, an end cap pull rope and a pull ring. The gas sampling device for environmental detection in the above patent has the following disadvantages: the air tightness of the above patent is not good, and impurities are easily mixed in the device, so that the objectivity of the gas detection result cannot be ensured.

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 environment detection.

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

the utility model provides a gas sampling device for environmental detection, includes the discharge, the middle part of discharge is pegged graft and is had the piston rod, and the one end fixedly connected with pull ring of piston rod, the one end fixedly connected with fixed plate of piston rod, and the bottom fixedly connected with iron plate of fixed plate, the discharge is close to the bottom fixedly connected with electro-magnet of fixed plate one end outer wall, and electro-magnet and iron plate looks adaptation, the bottom fixedly connected with on-off mechanism of discharge one side outer wall, and the middle part of piston rod is pegged graft and is had the piston board, the external diameter of piston board and the internal diameter looks adaptation of discharge.

As a further aspect of the present invention: the one end that the piston rod is close to the fixed plate is pegged graft and is had the rubber buffer, and the inner wall that the discharge is close to rubber buffer one end bonds and has the rubber ring, the external diameter of rubber buffer and the internal diameter looks adaptation of rubber ring.

As a further aspect of the present invention: the switch mechanism comprises a grab handle and a button switch, the grab handle is fixedly connected to the bottom of the outer wall of one side of the gas collecting pipe, and the button switch is connected to the top of one side of the grab handle through a bolt.

As a further aspect of the present invention: the electromagnet is connected with the button switch through a wire, the button switch is connected with a power supply through a wire, and the surface of the grab handle is provided with anti-slip grooves which are uniformly distributed.

As a further aspect of the present invention: the middle part of one side of the gas collecting pipe is provided with a socket, and the piston rod is inserted in the socket.

As a further aspect of the present invention: the middle part of piston board has seted up the annular groove, and the piston board has the sealing washer through annular groove joint.

As a further aspect of the present invention: the bottom of the piston rod, which is close to one side of the socket, is provided with a sliding groove, the inner wall of the bottom of the socket is fixedly connected with a sliding block, and the sliding block is connected to the inside of the sliding groove in a sliding mode.

The utility model has the advantages that:

1. the iron sheet, the electromagnet, the button switch and the grab handle are arranged, the piston rod is pulled through the pull ring, gas is pumped into the gas collecting pipe until the orifice of the gas collecting pipe is sealed by the fixing plate, the electromagnet is electrified through the button switch, the iron sheet is adsorbed through the electromagnet, the fixing plate is fixed at the orifice of the gas collecting pipe, the gas in the gas collecting pipe is prevented from flowing with the outside, the grab handle enables the device to be conveniently held by a worker, and the button switch is arranged on the grab handle, so that the control of the on-off of an electromagnet circuit is simplified;

2. by arranging the rubber plug, the rubber ring and the sealing ring, when the fixed plate moves to the pipe opening, the rubber plug is inserted into the rubber ring, the rubber plug and the rubber ring jointly seal the gas collecting pipe, and the sealing ring further optimizes the sealing performance of the device;

3. through setting up slider and spout, when the piston rod removed, the slider slided along the spout, has injectd the piston rod motion orbit, avoids the piston board to rock at the in-process that removes the piston rod, prevents that the gas in the gas collecting from leaking.

Drawings

Fig. 1 is a cross-sectional view of an embodiment 1 of a gas sampling device for environmental testing according to the present invention;

fig. 2 is a physical diagram of a piston rod structure of a gas sampling device for environmental testing according to the present invention;

fig. 3 is a cross-sectional view of embodiment 2 of a gas sampling device for environmental testing according to the present invention.

In the figure: 1 gas collecting tube, 2 jacks, 3 pull rings, 4 anti-skidding grooves, 5 grab handles, 6 button switches, 7 electromagnets, 8 piston rods, 9 iron sheets, 10 fixing plates, 11 rubber plugs, 12 rubber rings, 13 piston plates, 14 sealing rings, 15 sliding blocks and 16 sliding grooves.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a gas sampling device for environmental detection comprises a gas collecting tube 1, a piston rod 8 is inserted in the middle of the gas collecting tube 1, a pull ring 3 is fixedly connected to one end of the piston rod 8, a fixing plate 10 is fixedly connected to one end of the piston rod 8, an iron plate 9 is fixedly connected to the bottom of the fixing plate 10, an electromagnet 7 is fixedly connected to the bottom of the outer wall of the gas collecting tube 1 near one end of the fixing plate 10, the electromagnet 7 is matched with the iron plate 9, a switch mechanism is fixedly connected to the bottom of the outer wall of one side of the gas collecting tube 1, a piston plate 13 is inserted in the middle of the piston rod 8, the outer diameter of the piston plate 13 is matched with the inner diameter of the gas collecting tube 1, when the device is in a collecting site, the piston rod 8 is pulled through the pull ring 3 to draw gas into the gas collecting tube 1 until the fixing plate, the fixing plate 10 is fixed at the opening of the gas collecting tube 1 to prevent the gas in the gas collecting tube 1 from flowing through the outside.

Wherein, the one end that the piston rod 8 is close to fixed plate 10 is pegged graft and is had rubber buffer 11, and the inner wall that gas collecting tube 1 is close to rubber buffer 11 one end bonds and has rubber ring 12, the external diameter of rubber buffer 11 and the internal diameter looks adaptation of rubber ring 12, and when fixed plate 10 removed to the mouth of pipe, rubber buffer 11 inserted rubber ring 12, and the two seals gas collecting tube 1 jointly.

Wherein, on-off mechanism includes grab handle 5 and button switch 6, and grab handle 5 fixed connection in the bottom of 1 one side outer wall of discharge, and button switch 6 passes through bolted connection in the top of grab handle 5 one side, and grab handle 5 makes the device be convenient for the staff and holds, and button switch 6 sets up on grab handle 5, has simplified the control of 7 circuit break-make of electro-magnets.

Wherein, electro-magnet 7 is connected with button switch 6 through the wire, and button switch 6 is connected with the power through the wire, and evenly distributed's antiskid groove 4 has been seted up on the surface of grab handle 5, and the comfort level of gripping of grab handle 5 has been optimized in antiskid groove 4, makes to grip more stably.

Wherein, the middle part of one side of the gas collecting pipe 1 is provided with a socket 2, and a piston rod 8 is inserted in the socket 2.

Wherein, the annular groove has been seted up at the middle part of piston plate 13, and piston plate 13 has sealing washer 14 through the annular groove joint, and sealing washer 14 further optimizes the sealing performance of device.

The working principle is as follows: when the device is in the collection scene, pull 3 pulling piston rod 8 through the pull ring, with gaseous suction in the discharge 1, seal the mouth of pipe of discharge 1 until fixed plate 10, when fixed plate 10 removed to the mouth of pipe, rubber buffer 11 inserts rubber ring 12, the two seals discharge 1 jointly, switch on for electro-magnet 7 through button switch 6, adsorb iron sheet 9 through electro-magnet 7, fix fixed plate 10 at the mouth of pipe of discharge 1, avoid the gaseous and external circulation in discharge 1, grab handle 5 makes the device be convenient for the staff and grips, button switch 6 sets up on grab handle 5, the control of electro-magnet 7 circuit break-make has been simplified, antiskid groove 4 has optimized the comfort level of gripping of grab handle 5, it is more stable to make the gripping, sealing washer 14 further optimizes the sealing performance of device.

Example 2

Referring to fig. 3, in the gas sampling device for environmental monitoring, compared with embodiment 1, in the present embodiment, a sliding groove 16 is formed in a bottom portion of the piston rod 8 near one side of the socket 2, and a sliding block 15 is fixedly connected to an inner wall of the bottom of the socket 2, and the sliding block 15 is slidably connected to an inner portion of the sliding groove 16.

The working principle is as follows: when the piston rod 8 moves, the sliding block 15 slides along the sliding groove 16 to limit the motion track of the piston rod 8, so that the piston plate 13 is prevented from shaking in the process of moving the piston rod 8, and the gas in the gas collecting pipe 1 is prevented from leaking.

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. The utility model provides a gas sampling device for environmental detection, includes gas collecting pipe (1), its characterized in that, peg graft at the middle part of gas collecting pipe (1) has piston rod (8), and one end fixedly connected with pull ring (3) of piston rod (8), the one end fixedly connected with fixed plate (10) of piston rod (8), and the bottom fixedly connected with iron plate (9) of fixed plate (10), gas collecting pipe (1) are close to bottom fixedly connected with electro-magnet (7) of fixed plate (10) one end outer wall, and electro-magnet (7) and iron plate (9) looks adaptation, the bottom fixedly connected with on-off mechanism of gas collecting pipe (1) one side outer wall, and peg graft at the middle part of piston rod (8) and have piston plate (13), the external diameter of piston plate (13) and the internal diameter looks adaptation of gas collecting pipe (1).

2. The gas sampling device for environment detection as claimed in claim 1, wherein a rubber plug (11) is inserted into one end of the piston rod (8) close to the fixing plate (10), a rubber ring (12) is bonded to the inner wall of one end of the gas collecting tube (1) close to the rubber plug (11), and the outer diameter of the rubber plug (11) is adapted to the inner diameter of the rubber ring (12).

3. The gas sampling device for environmental monitoring as recited in claim 1, wherein the switch mechanism comprises a handle (5) and a button switch (6), the handle (5) is fixedly connected to the bottom of the outer wall of one side of the gas collecting pipe (1), and the button switch (6) is connected to the top of one side of the handle (5) through a bolt.

4. The gas sampling device for environmental monitoring as claimed in claim 3, wherein the electromagnet (7) is connected with the button switch (6) through a wire, the button switch (6) is connected with a power supply through a wire, and the surface of the handle (5) is provided with anti-slip grooves (4) which are uniformly distributed.

5. The gas sampling device for environmental monitoring as recited in any of claims 1-4, wherein the middle of one side of the gas collecting tube (1) is provided with a socket (2), and the piston rod (8) is inserted into the socket (2).

6. The gas sampling device for environment detection as claimed in claim 1, wherein an annular groove is formed in the middle of the piston plate (13), and the piston plate (13) is clamped with the sealing ring (14) through the annular groove.

7. The gas sampling device for environmental monitoring as recited in claim 5, wherein a sliding groove (16) is formed in the bottom of the piston rod (8) on the side close to the insertion opening (2), a sliding block (15) is fixedly connected to the inner wall of the bottom of the insertion opening (2), and the sliding block (15) is slidably connected to the inside of the sliding groove (16).