CN215767881U

CN215767881U - Gas sampling device for environmental protection detection

Info

Publication number: CN215767881U
Application number: CN202122096430.6U
Authority: CN
Inventors: 张梦茹; 赵兰荣; 蒋慧婷; 孙戈
Original assignee: Anhui Hushang Testing Technology Co ltd
Current assignee: Anhui Hushang Testing Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-08
Anticipated expiration: 2031-09-01

Abstract

The utility model relates to the technical field of gas sampling devices, and discloses a gas sampling device for environmental protection detection, which comprises a collecting cylinder, wherein a collecting head is fixedly arranged at the left end of the collecting cylinder, a limiting end table is fixedly arranged at the right end of the collecting cylinder, a rack meshed with a driving gear can continuously, uniformly and slowly move transversely by adopting an external driving motor to drive the driving gear to rotate at a constant speed, so that the whole push rod and a piston at the end part can be driven to extract gas, the uniformity and the reliability of gas collection are ensured, meanwhile, a baffle plate is arranged in the end part of collection, the baffle plate is automatically pushed open by using airflow when the gas is collected, then, the baffle plate is ensured not to be opened by using a reset spring at the end part of the baffle plate and the pushing extrusion of the airflow after the gas is collected, and the gas is discharged into a collecting bottle from an exhaust port at the bottom end to be collected, effective collection of the gas is accomplished.

Description

Gas sampling device for environmental protection detection

Technical Field

The utility model relates to the technical field of gas sampling devices, in particular to a gas sampling device for environmental protection detection.

Background

With the rapid development of the society, various industries are rapidly developed, but the discharge of various pollutants, especially the discharge of waste gas generated by the industries, has a considerable influence on the environment, so in order to ensure that the discharged gas meets the discharge standard, the discharge of waste gas generated by the industries needs to be detected, and simultaneously, the gas in the environment needs to be sampled and detected, most of the existing devices for sampling adopt a syringe to take gas, but most of the existing syringe to take gas adopts a manual pulling syringe piston, and after the gas is extracted, the gas is connected to the end of the syringe, and the gas is collected by a gas collecting bottle, but on one hand, due to the manual pulling of the piston, the pulling speed of the syringe is uneven, so that the sampled gas is uneven, mainly because the sampling tube is mostly the branch pipe of welding on the blast pipe, can produce the negative pressure in the sampling tube during pull cylinder, and then inhale outside air, the temperature in the environment when still having the gas collecting bottle that has now simultaneously and can't guarantee to collect is the maintenance throughout, and then the various component content that probably appear inside changes, for this reason we provide an environmental protection and detect with gas sampling device.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the gas sampling device for environmental protection detection, which has the advantages of good sampling effect and strong practicability and solves the problems in the background technology.

The utility model provides the following technical scheme: a gas sampling device for environmental protection detection comprises a collecting cylinder, wherein a collecting head is fixedly arranged at the left end of the collecting cylinder, the right end of the collecting cylinder is fixedly provided with a limit end platform, the right side wall of the collecting cylinder is provided with a through hole, a track groove is transversely arranged in the limiting end table, a piston is movably connected in the collecting cylinder, a pushing structure is fixedly arranged at the right end of the piston, a driving motor is fixedly arranged above the right side of the collecting cylinder, a driving gear is fixedly arranged on an output shaft of a driving motor on the collecting cylinder, a supporting seat is fixedly arranged at the right lower corner of the collecting cylinder, a handle is fixedly arranged on the lower surface of the supporting seat, an exhaust port is fixedly arranged on the left side of the bottom end of the collecting cylinder, a split plate is movably connected and mounted in the exhaust port, and a collecting bottle is movably mounted below the interior of the split plate;

the collecting head comprises an outer wall fixedly arranged at the left end of the collecting cylinder, a pressure relief opening is formed in the right side of the top end of the outer wall, a baffle is movably arranged on the left side inside the outer wall, a cylindrical wall is fixedly arranged at the position, located at the pressure relief opening, of the top end of the outer wall, and a sealing screw rod is movably arranged in the cylindrical wall;

the push structure contains the push rod, the left end and the piston fixed connection of push rod, the horizontal front of push rod and back both sides fixed mounting respectively have spacing, the upper surface middle part fixed mounting of push rod has the rack.

Preferably, the rack and the driving gear are in meshed connection.

Preferably, the outer wall is in a shape that the left side is in a tip shape and the right side is in a cylinder shape, the baffle is movably arranged at the joint of the tip-shaped tail end of the outer wall and the cylinder shape, a return spring is arranged in the rotating end of the baffle, and the sealing screw rod can be rotatably adjusted and connected in the cylinder wall.

Preferably, the outer surface of the handle is fixedly provided with an anti-slip sleeve.

Preferably, the inner surface of the collection bottle is fixedly provided with a temperature control layer.

Compared with the prior art, the utility model has the following beneficial effects:

1. this gas sampling device is used in environmental protection detection, it is rotatory to drive gear's at the uniform velocity drive through adopting outside driving motor, make the rack with drive gear meshing can last even slow carry out lateral shifting, just so can drive the piston of the whole push rod and tip and carry out gaseous extraction, the homogeneity and the reliability of gas collection have been guaranteed like this, be provided with the baffle in the tip of collecting simultaneously, utilize the air current to push the baffle open by oneself when collecting gas, then utilize the reset spring of baffle tip and the promotion extrusion of air current to guarantee that the baffle can not open after the collection is accomplished, and then realize all discharging the collecting flask collection from the gas vent of bottom with gas, accomplish gaseous effectual collection.

2. This gas sampling device is used in environmental protection detection is provided with one deck control by temperature change layer through the internal surface at the receiving flask, and the gaseous environmental condition when original collection is maintained in the receiving flask of assurance collection that can be fine, and then guarantees that the content of each component in the gas can not change for subsequent testing result is more accurate.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a perspective view of the connection between the limit end table and the pushing structure of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 1 according to the present invention.

In the figure: 1. a collection canister; 2. a collection head; 21. an outer wall; 22. a pressure relief port; 23. a baffle plate; 24. a cylindrical wall; 25. a sealing screw rod; 3. limiting an end table; 4. a track groove; 5. a piston; 6. a pushing structure; 61. a push rod; 62. a limiting strip; 63. a rack; 7. a drive gear; 8. a supporting seat; 9. a handle; 10. an exhaust port; 11. opening and closing the board; 12. and (6) collecting the bottle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a gas sampling device for environmental protection detection comprises a collecting cylinder 1, a collecting head 2 is fixedly mounted at the left end of the collecting cylinder 1, a limiting end table 3 is fixedly mounted at the right end of the collecting cylinder 1, a through hole is formed in the right side wall of the collecting cylinder 1, a track groove 4 is transversely formed in the limiting end table 3, a piston 5 is movably connected in the collecting cylinder 1, a pushing structure 6 is fixedly mounted at the right end of the piston 5, a driving motor is fixedly mounted above the right side of the collecting cylinder 1, a driving gear 7 is fixedly mounted on an output shaft of the driving motor on the collecting cylinder 1, a supporting seat 8 is fixedly mounted at the lower right corner of the collecting cylinder 1, a handle 9 is fixedly mounted on the lower surface of the supporting seat 8, an exhaust port 10 is fixedly mounted at the left side of the bottom end of the collecting cylinder 1, an opening plate 11 is movably connected in the exhaust port 10, and a collecting bottle 12 is movably mounted below the inside of the opening plate 11;

the collecting head 2 comprises an outer wall 21 fixedly installed at the left end of the collecting cylinder 1, a pressure relief opening 22 is formed in the right side of the top end of the outer wall 21, a baffle 23 is movably installed on the left side inside the outer wall 21, a cylindrical wall 24 is fixedly installed at the position, located at the pressure relief opening 22, of the top end of the outer wall 21, and a sealing screw 25 is movably installed in the cylindrical wall 24;

the pushing structure 6 comprises a push rod 61, the left end of the push rod 61 is fixedly connected with the piston 5, a limiting strip 62 is fixedly mounted on the two sides of the transverse front surface and the back surface of the push rod 61 respectively, and a rack 63 is fixedly mounted in the middle of the upper surface of the push rod 61.

Wherein, rack 63 and drive gear 7 meshing are connected, and outside driving motor can drive gear 7 rotatory like this to drive push rod 61 slow and at the uniform velocity carry out lateral shifting, the gas sample of extraction like this can be more even, thereby guarantees the accurate nature of the follow-up testing result of gas sample.

Wherein, the shape of outer wall 21 is that the left side is most advanced form right side for cylindricly, baffle 23 is located the most advanced form tail end and the cylindric junction movable mounting of outer wall 21 and installs reset spring in the rotatory end of baffle 23, seal screw 25 can rotate in drum wall 24 and adjust the connection, can drive two baffles 23 at the in-process that the device bled and revolve to both sides, and then open the gas flow passage, and when outwards discharging gas sample, the air current can promote baffle 23 automatically and close, and can realize the adjustment of the gas of inside collection when infusing to collecting bottle 12 in through sealing screw 25.

Wherein, the outer fixed surface of handle 9 installs anti-skidding cover, can guarantee through anti-skidding cover that the device can hold it more steadily when using to guarantee stability and the reliability of device in the use.

Wherein, the internal surface fixed mounting of collecting bottle 12 has the temperature control layer, can carry out the temperature to the gas of gathering according to the actual temperature environment on-the-spot through the temperature control layer and maintain to guarantee that the living environment of various microorganisms in the air can not take place violent change and lead to the various index thing contents in the air to change, thereby guaranteed the accuracy of later stage testing result.

The working principle is as follows: during the use, place the collection head 2 in the environmental region that needs the sample, start outside driving motor, this motor drives drive gear 7 rotatory, drive gear 7 then drives rack 63 and push rod 61 lateral shifting, thereby drive piston 5 and remove to the right side and carry out gaseous extraction, make driving motor reversal after the extraction is accomplished, open the open-close plate 11, drive push rod 61 lateral shifting left, the gas that will extract in the admission collecting vessel 1 passes through gas vent 10 and discharges into in collecting vessel 12, when the inside exhaust pressure of collecting vessel 1 is too big, can unscrew a bit a little and seal screw rod 25 slightly and carry out the pressure release, close open-close plate 11 after the completion exhausts to collecting vessel 12, it can to take off collecting vessel 12.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention. In the drawings of the present invention, the filling pattern is only for distinguishing the layers, and is not limited to any other way.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gas sampling device for environmental protection detects, includes surge drum (1), its characterized in that: the collecting device is characterized in that a collecting head (2) is fixedly mounted at the left end of the collecting cylinder (1), a limiting end table (3) is fixedly mounted at the right end of the collecting cylinder (1), a through hole is formed in the right side wall of the collecting cylinder (1), a track groove (4) is transversely formed in the limiting end table (3), a piston (5) is movably connected in the collecting cylinder (1), a pushing structure (6) is fixedly mounted at the right end of the piston (5), a driving motor is fixedly mounted above the right side of the collecting cylinder (1), a driving gear (7) is fixedly mounted on an output shaft of the driving motor on the collecting cylinder (1), a supporting seat (8) is fixedly mounted at the lower right corner of the collecting cylinder (1), a handle (9) is fixedly mounted at the lower surface of the supporting seat (8), and an exhaust port (10) is fixedly mounted at the left side of the bottom end of the collecting cylinder (1), an opening plate (11) is movably connected and mounted in the exhaust port (10), and a collecting bottle (12) is movably mounted below the inner part of the opening plate (11);

the collecting head (2) comprises an outer wall (21) fixedly mounted at the left end of the collecting barrel (1), a pressure relief opening (22) is formed in the right side of the top end of the outer wall (21), a baffle (23) is movably mounted on the left side inside the outer wall (21), a cylindrical wall (24) is fixedly mounted at the position, located at the pressure relief opening (22), of the top end of the outer wall (21), and a sealing screw rod (25) is movably mounted in the cylindrical wall (24);

promote structure (6) and contain push rod (61), the left end and piston (5) fixed connection of push rod (61), the horizontal front and the back both sides of push rod (61) fixed mounting respectively have spacing (62), the upper surface middle part fixed mounting of push rod (61) has rack (63).

2. The gas sampling device for environmental protection inspection according to claim 1, wherein: the rack (63) is in meshed connection with the driving gear (7).

3. The gas sampling device for environmental protection inspection according to claim 1, wherein: the shape of outer wall (21) is that the left side is most advanced form right side for cylindricly, baffle (23) are located most advanced form tail end and the cylindric junction movable mounting of outer wall (21) and install reset spring in the rotatory end of baffle (23), seal screw rod (25) can rotate adjustment in drum wall (24) and connect.

4. The gas sampling device for environmental protection inspection according to claim 1, wherein: and an anti-slip sleeve is fixedly arranged on the outer surface of the handle (9).

5. The gas sampling device for environmental protection inspection according to claim 1, wherein: and a temperature control layer is fixedly arranged on the inner surface of the collecting bottle (12).