CN220380831U

CN220380831U - Malodorous gas sampling device

Info

Publication number: CN220380831U
Application number: CN202321382308.8U
Authority: CN
Inventors: 尹朋建; 任一; 赖金丽; 杨莹; 李剑颖; 蔡晓博; 付春雨
Original assignee: Beijing City Management Research Institute
Current assignee: Beijing City Management Research Institute
Priority date: 2023-06-01
Filing date: 2023-06-01
Publication date: 2024-01-23
Anticipated expiration: 2033-06-01

Abstract

The utility model provides a malodorous gas sampling device which comprises an L-shaped supporting plate and an air extracting pump fixed on the surface of the L-shaped supporting plate, wherein an air outlet end of the air extracting pump is communicated with a flexible main pipe, the other end of the flexible main pipe is communicated with a plurality of flexible branch pipes, a placing groove is formed in the surface of the L-shaped supporting plate, a gas collecting bottle is arranged in the placing groove, an air inlet pipe is arranged at the top of the gas collecting bottle, an air valve is arranged at the air inlet pipe, and the lower end of the flexible branch pipe is inserted into the air inlet pipe in a sealing manner. According to the utility model, the connection mode of the flexible main pipe and the flexible branch pipe is adopted, so that the malodorous gas can be continuously filled into the gas collecting bottle, the collection of multiple samples can be realized, the inconvenience that the collection can be continuously carried out only by installing a new gas collecting bottle after the gas collecting bottle is disassembled in the prior art is solved, the general degree of the product is increased, and the content of the malodorous gas in the environment can be better analyzed.

Description

Malodorous gas sampling device

Technical Field

The utility model relates to the technical field of gas collection, in particular to a malodorous gas sampling device.

Background

In recent years, as the complaints of citizens on garbage disposal facilities are increased, urban management committee gradually increases the supervision of facilities, and dedicated monitoring of malodorous gas is performed in the time period of high occurrence of citizens complaints and in specific places.

The periodic environmental monitoring plays a role in monitoring the facility emission to a certain extent, malodorous gas is pressed into the gas collection bottle through the air pump in the prior art, and is released for detection after being brought back to a laboratory; the existing gas collecting device can only collect one sample at a time, and can continuously collect the gas after the gas collecting bottle is detached and a new gas collecting bottle is installed, so that the gas collecting device has limitation and cannot better judge the content of malodorous gas in the environment.

Disclosure of Invention

The utility model aims to provide a malodorous gas sampling device which aims to solve the technical problems in the prior art.

In order to solve the technical problems, the malodorous gas sampling device comprises an L-shaped supporting plate and an air pump fixed on the surface of the L-shaped supporting plate, wherein an air outlet end of the air pump is communicated with a flexible main pipe, the other end of the flexible main pipe is communicated with a plurality of flexible branch pipes, a placing groove is formed in the surface of the L-shaped supporting plate, a gas collecting bottle is arranged in the placing groove, an air inlet pipe is arranged at the top of the gas collecting bottle, an air valve is arranged at the air inlet pipe, the lower end of the flexible branch pipe is inserted into the air inlet pipe in a sealing mode, a boss is fixedly connected to the surface of the L-shaped supporting plate, the flexible branch pipe is arranged on one side of the boss, and a plurality of compression assemblies for blocking gas in the flexible branch pipe are fixedly installed on the boss.

Preferably, the compressing assembly comprises a fixing shell fixedly connected with the protruding block and a motor fixed at the end part of the fixing shell, wherein the output end of the motor penetrates into the fixing shell and is fixedly connected with a screw rod, a nut block is sleeved on the screw rod, a guide rod is fixedly connected between the inner walls of the fixing shell, the guide rod movably penetrates through the nut block, the upper end of the nut block is fixedly used for compressing a compressing strip for compressing the flexible branched pipe, and one end of the compressing strip penetrates out of the fixing shell.

Preferably, the surface of the L-shaped supporting plate is provided with an upward-arranged placing groove, and the gas collection bottle is arranged in the placing groove.

Preferably, the sliding support further comprises a support, a sliding opening is formed in the support, a sliding block is fixedly connected to the rear side of the L-shaped support plate, the sliding block is arranged in the sliding opening in a sliding mode, and the sliding block is fixedly installed with the support through a locking piece.

Preferably, the locking piece comprises a stud fixed at the end part of the sliding block and an internal thread sleeve sleeved on the stud, and the internal thread sleeve is propped against the side wall of the bracket.

Preferably, the outer surface of the internal thread sleeve is fixedly connected with two holding rods which are symmetrically distributed.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. according to the utility model, the connection mode of the flexible main pipe and the flexible branch pipe is adopted, so that the malodorous gas can be continuously filled into the gas collecting bottle, the collection of multiple samples can be realized, the inconvenience that the collection can be continuously carried out only by installing a new gas collecting bottle after the gas collecting bottle is disassembled in the prior art is solved, the general degree of the product is increased, and the content of the malodorous gas in the environment can be better analyzed.

2. According to the utility model, the compression assembly is adopted, so that the flexible branch pipes can be compressed, blocking of malodorous gas is realized, and gas overflow in the gas collecting bottle is avoided; meanwhile, the gas sampling work can be independently carried out on the corresponding gas collecting bottle.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the utility model and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view structure diagram of a malodorous gas sampling device according to an embodiment of the present utility model;

fig. 2 is a rear view structure diagram of a malodorous gas sampling apparatus according to an embodiment of the present utility model;

FIG. 3 is an enlarged block diagram of the portion A of FIG. 2;

fig. 4 is a schematic structural diagram of a compressing assembly of a malodorous gas sampling apparatus according to an embodiment of the present utility model.

Reference numerals: 1. an L-shaped support plate; 101. a placement groove; 2. a protruding block; 3. an air extracting pump; 4. a flexible main tube; 5. a flexible branch pipe; 6. a gas collecting bottle; 601. an air inlet pipe; 7. a gas valve; 8. a compression assembly; 801. a fixed case; 802. a motor; 803. a screw rod; 804. a guide rod; 805. a nut block; 806. a compression bar; 9. a bracket; 901. a sliding port; 10. a slide block; 11. a stud; 12. an internal thread sleeve; 13. a grip.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model is further illustrated with reference to specific embodiments.

As shown in fig. 1-4, the malodorous gas sampling device provided in this embodiment includes an L-shaped support plate 1, an air pump 3 fixed on the surface of the L-shaped support plate 1, a flexible main pipe 4 is provided at the air outlet end of the air pump 3, a plurality of flexible branch pipes 5,L are provided at the other end of the flexible main pipe 4, a placing groove 101 is provided at the surface of the L-shaped support plate 1, a gas collecting bottle 6 is provided in the placing groove 101, a gas inlet pipe 601 is provided at the top of the gas collecting bottle 6, a gas valve 7 is provided at the gas inlet pipe 601, the lower end of the flexible branch pipe 5 is sealed and inserted into the gas inlet pipe 601, a bump 2 is fixedly connected to the surface of the L-shaped support plate 1, the flexible branch pipe 5 is provided at one side of the bump 2, and a plurality of compression assemblies 8 for blocking the gas inside the flexible branch pipe 5 are fixedly mounted on the bump 2.

The connection mode of the flexible main pipe 4 and the flexible branch pipe 5 is adopted, so that malodorous gas can be continuously poured into the gas collecting bottle 6, collection of multiple samples can be realized, the inconvenience that the collection can be continuously carried out only by installing a new gas collecting bottle 6 after the gas collecting bottle 6 is disassembled in the prior art is solved, the general degree of products is increased, and the content of malodorous gas in the environment can be better analyzed;

when gas collection is required to be carried out on the first gas collection bottle 6, the compression assembly 8 is used for compressing the other flexible branch pipes 5 except the first flexible branch pipe 5, so that the compression position of the flexible branch pipe 5 is sealed; at the moment, the air pump 3 is started to suck malodorous gas into the flexible main pipe 4, and the gas finally enters the corresponding first gas collecting bottle 6 through the first flexible branch pipe 5; after the air extraction is completed, the first compressing component 8 is required to be started to compress the flexible branch pipes 5 of the first air collecting bottle 6 which is already used for collecting air, then the second compressing component 8 is started, so that the second flexible branch pipes 5 are not compressed, the air extracting pump 3 is started again at the moment, malodorous gas is sucked into the second air collecting bottle 6, and the operation is repeated in such a way, and finally the sampling work of a plurality of air collecting bottles 6 is realized.

In addition, compressing tightly the subassembly 8 including with protruding piece 2 fixed connection's fixed shell 801, be fixed in the motor 802 of fixed shell 801 tip, motor 802 output runs through to the inside fixedly connected with lead screw 803 of fixed shell 801, screw sleeve is equipped with nut piece 805 on the lead screw 803, fixedly connected with guide arm 804 between the fixed shell 801 inner wall, guide arm 804 activity runs through nut piece 805 setting, nut piece 805 upper end is fixed and is used for compressing tightly strip 806 to flexible being in charge of 5, compressing tightly strip 806 one end runs through to the fixed shell 801 outside.

The motor 802 is started to drive the screw rod 803 to rotate, the screw rod 803 drives the nut block 805 to linearly displace, the nut block 805 drives the compressing strip 806 to move, and the end part of the compressing strip 806 compresses the flexible branch pipe 5, so that blocking of gas at two sides is realized.

In order to facilitate the installation of the gas collection bottle 6, a placing groove 101 which is upwards arranged is formed in the surface of the L-shaped supporting plate 1, and the gas collection bottle 6 is arranged inside the placing groove 101.

After the collection of the plurality of gas collection cylinders 6 is completed, the corresponding gas valves 7 are required to be closed, and then the end parts of the flexible branch pipes 5 are separated from the gas inlet pipes 601, so that the gas collection cylinders 6 are detached.

Still include support 9, the smooth mouth 901 has been seted up to the inside smooth mouth that has seted up of support 9, L shape backup pad 1 rear side fixedly connected with slider 10, slider 10 slides and sets up in smooth mouth 901 inside, slider 10 passes through retaining member and support 9 fixed mounting, the retaining member is including being fixed in the double-screw bolt 11 of slider 10 tip and the internal thread cover 12 of cover on the double-screw bolt 11, internal thread cover 12 offsets with support 9 lateral wall and sets up, internal thread cover 12 surface fixedly connected with two symmetrically distributed holding bars 13, it can conveniently rotate internal thread cover 12 to set up holding bar 13.

By moving the L-shaped support plate 1 in the direction, the position of the adjusting slide block 10 in the sliding port 901 is adjusted, after the position reaches a proper position, the internal thread sleeve 12 is screwed on the stud 11, so that the internal thread sleeve 12 is in abutting contact with the L-shaped support plate 1, the locking purpose is realized, and the height of the L-shaped support plate 1 is determined.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a malodorous gas sampling device, its characterized in that, including L shape backup pad (1), be fixed in aspiration pump (3) on L shape backup pad (1) surface, aspiration pump (3) end intercommunication of giving vent to anger is provided with flexible person in charge (4), flexible person in charge (4) other end intercommunication is provided with a plurality of flexible being in charge (5), standing groove (101) have been seted up on L shape backup pad (1) surface, be provided with gas collection bottle (6) in standing groove (101), gas collection bottle (6) top has intake pipe (601), intake pipe (601) department is provided with gas valve (7), flexible being in charge (5) lower extreme seal insert locate inside intake pipe (601), L shape backup pad (1) surface fixedly connected with boss (2), flexible being in charge (5) set up in boss (2) one side, fixed mounting has a plurality of compression assemblies (8) that are used for blocking the inside gas of flexible being in charge (5).

2. The malodorous gas sampling device according to claim 1, wherein the compressing assembly (8) comprises a fixing shell (801) fixedly connected with the protruding block (2), and a motor (802) fixed at the end of the fixing shell (801), an output end of the motor (802) penetrates through the fixing shell (801) and is fixedly connected with a screw rod (803), a nut block (805) is sleeved on the screw rod (803) in a threaded manner, a guide rod (804) is fixedly connected between the inner walls of the fixing shell (801), the guide rod (804) movably penetrates through the nut block (805) to be arranged, a compressing strip (806) used for compressing the flexible branched pipe (5) is fixed at the upper end of the nut block (805), and one end of the compressing strip (806) penetrates through the fixing shell (801).

3. The malodorous gas sampling device according to claim 1, wherein the surface of the L-shaped supporting plate (1) is provided with an upward-arranged placing groove (101), and the gas collecting bottle (6) is arranged inside the placing groove (101).

4. The malodorous gas sampling device according to claim 1, further comprising a bracket (9), wherein a sliding opening (901) is formed in the bracket (9), a sliding block (10) is fixedly connected to the rear side of the L-shaped supporting plate (1), the sliding block (10) is slidably arranged in the sliding opening (901), and the sliding block (10) is fixedly installed with the bracket (9) through a locking piece.

5. The malodorous gas sampling device according to claim 4, wherein the locking member comprises a stud (11) fixed at the end part of the sliding block (10) and an internal thread sleeve (12) sleeved on the stud (11), and the internal thread sleeve (12) is propped against the side wall of the bracket (9).

6. The malodorous gas sampling device according to claim 5, wherein two symmetrically distributed holding rods (13) are fixedly connected to the outer surface of the internal thread sleeve (12).