CN212844577U - Gas collection device and portable gas collection equipment - Google Patents

Abstract

The utility model provides a gas collecting device and a portable gas collecting device, wherein the gas collecting device comprises an air inlet pipe, a pump, an air duct and an air collecting tank which are connected in sequence, and a one-way air inlet valve which leads gas to flow into the air duct in one way is arranged between the air collecting tank and the air duct; the portable gas collecting equipment comprises a hollow box body, a box cover and a gas collecting device, wherein the box cover can be connected with the box body in a turnover mode, the gas collecting device is arranged in the box body, and a handle is fixed on the outer side face of the box cover. The utility model discloses a gaseous collection system adopts pump machine suction gas, makes in gaseous via the air duct inflow gas-collecting tank, realizes the collection to gaseous, through setting up one-way admission valve, can prevent the gaseous refluence in the gas-collecting tank, realizes the leak protection gas function.

Description

Gas collection device and portable gas collection equipment

Technical Field

The utility model belongs to the technical field of the gas collection technique and specifically relates to a gas collection system and portable gas collection equipment.

Background

In public places, as more personnel are needed, once the air quality is unqualified, for example, harmful gas is mixed in the air, serious safety accidents can be caused, and in order to determine whether the air in the public places is safe, the air quality detection is needed, so that the gas collection device is needed to collect the gas.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gaseous collection system and portable gaseous collection equipment to gather gas.

In order to achieve the above object, the utility model provides a gas collecting device, it is including the intake pipe, pump machine, air duct and the gas collecting tank that connect gradually, the gas collecting tank with still be equipped with between the air duct and make gaseous one-way inflow the one-way admission valve in the gas collecting tank.

The gas collecting device comprises a pipe sleeve, a column core and a return spring, wherein the column core and the return spring are arranged in the pipe sleeve, the two ends of the pipe sleeve are respectively provided with a gas inlet end and a gas outlet end, the gas inlet end is communicated with the gas guide tube, the column core is of a T-shaped structure formed by connecting a column body and a disc body, the diameter of the disc body is larger than that of the column body, the column body is inserted into the pipe sleeve, the disc body and the return spring are located outside the pipe sleeve, the diameter of the disc body is larger than the inner diameter of the pipe sleeve, the disc body is located between the gas outlet end of the pipe sleeve and the return spring, and the disc body can be pushed by the return spring to block the gas outlet end and can be compressed under the extrusion of gas flow to open the gas outlet end.

As above gaseous collection system, wherein, gaseous collection system still includes sealing connection the air duct with cell body between the gas collecting tank, the cell body have with the air inlet of air duct intercommunication and with the gas outlet of gas collecting tank intercommunication, one-way admission valve is located the inside of cell body just is located the air inlet with between the gas outlet, the pipe box is inserted and is located the inside of cell body, the inlet end of pipe box passes through the air inlet with the air duct intercommunication, reset spring locates the end of giving vent to anger of pipe box with between the gas outlet of cell body, reset spring's one end top is supported the disk body, reset spring's the other end top is supported the inner wall of cell body.

The gas collecting device is characterized in that the tank body is connected with an air pressure meter through a communicating pipe, and the communicating pipe is communicated with the air inlet of the tank body.

The gas collection device further comprises a hollow shell, the pump and the tank body are arranged inside the shell, the gas collection tank is arranged outside the shell, and a battery installation groove for installing a storage battery of the pump is formed in the shell.

The gas collecting device is characterized in that an opening is formed in the bottom of the shell, and the gas collecting tank extends into the shell through the opening and is detachably connected with the tank body.

The gas collecting device further comprises a collecting cover, the collecting cover is connected with the gas inlet pipe, and the inner diameter of the collecting cover is gradually enlarged along the gas inlet direction.

The utility model also provides a portable gas collecting equipment, its include hollow box, can overturn ground with the case lid that the box is connected and locate foretell gas collecting device in the box, be fixed with the handle on the lateral surface of case lid.

The portable gas collecting device as described above, wherein a device placement groove, a backup battery placement groove, and a charger placement groove are provided in the case, the gas collecting device is fitted in the device placement groove, a backup battery is provided in the backup battery placement groove, and a charger for charging the backup battery is provided in the charger placement groove.

The portable gas collecting device is characterized in that one end of the box cover is pivoted with the box body through a pin shaft, and the other end of the box cover is connected with the box body through a lockset.

The utility model discloses a characteristics and the advantage of gas acquisition device and portable gas acquisition equipment are:

1. the gas collecting device of the utility model adopts the pump machine to suck gas, so that the gas flows into the gas collecting tank through the gas guide tube, the gas is collected, the gas in the gas collecting tank can be prevented from flowing backwards through the one-way air inlet valve, and the gas leakage prevention function is realized;

2. the gas collecting device of the utility model can realize the rapid collection of gas by arranging the pump, the collecting cover and the one-way air inlet valve, thereby conveniently and rapidly detecting the gas;

3. the utility model discloses a portable gaseous collection equipment accomodates gaseous collection system through the box, when gathering gas, opens the case lid, takes out gaseous collection system and adopts gas, puts back gaseous collection system in the box after adopting gas, and it is all very convenient to use and carry.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

fig. 1 is a schematic view of an embodiment of a gas collection device of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an assembled schematic view of a one-way intake valve;

FIG. 4 is an exploded schematic view of a one-way intake valve;

fig. 5 is a schematic view of the box body of the portable gas collecting device of the present invention.

Main element number description:

1. an air inlet pipe; 2. a pump machine; 3. an air duct; 4. a gas collection tank;

5. a one-way intake valve; 51. pipe sleeve; 511. an air inlet end; 512. an air outlet end;

52. a column core; 521. a cylinder; 522. a tray body; 53. a return spring;

6. a collection hood; 7. a trough body; 71. an air inlet; 72. an air outlet;

8. a communicating pipe; 9. a barometer; 10. a housing; 101. a battery mounting groove; 11. a storage battery;

12. a fixed mount; 13. a box body; 131. a device placement slot; 132. a standby battery placing groove;

133. a charger placement slot; 14. a box cover; 15. a handle; 16. and (4) a support column.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings. Where adjective or adverbial modifiers "upper" and "lower", "top" and "bottom", "inner" and "outer" are used merely to facilitate relative reference between groups of terms, and do not describe any particular directional limitation on the modified terms. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1, the utility model provides a gas collecting device, it is including intake pipe 1, pump machine 2, air duct 3 and the gas collection tank 4 that connect gradually, still is equipped with the one-way admission valve 5 that makes gaseous one-way inflow gas collection tank 4 between gas collection tank 4 and the air duct 3. The utility model discloses a pump machine 2 suction gas (for example air), make in gaseous 3 inflow gas collection tanks 4 via the air duct, realize the collection to gaseous, through setting up one-way admission valve 5, can prevent the gas refluence in the gas collection tanks 4, realize the leak protection gas function.

Further, gaseous collection system is still including collecting cover 6, collects cover 6 and intake pipe 1 and is connected, collects the internal diameter of cover 6 and expands gradually along the direction of admitting air to the realization is to gaseous quick collection.

Further, the pump 2 is an air pump.

As shown in fig. 1, 2, 3, and 4, in one embodiment, the one-way air intake valve 5 includes a sleeve 51, a core 52 disposed in the sleeve 51, and a return spring 53, where two ends of the sleeve 51 are an air intake end 511 and an air exhaust end 512, respectively, the air intake end 511 is communicated with the air duct 3, the core 52 is a T-shaped structure formed by connecting a cylinder 521 and a disc 522, a diameter of the disc 522 is greater than a diameter of the cylinder 521, the cylinder 521 is inserted into the sleeve 51, the disc 522 and the return spring 53 are disposed outside the sleeve 51, a diameter of the disc 522 is greater than an inner diameter of the sleeve 51, the disc 522 is disposed between the air exhaust end 512 of the sleeve 51 and the return spring 53, and the disc 522 can block the air exhaust end 512 under the pushing force of the return spring 53 and can compress the return spring 53 to open the air exhaust end 512 under the squeezing of the intake air. However, the present invention is not limited thereto, and in other embodiments, a one-way intake valve of the prior art may be used.

In this embodiment, when no gas enters the pipe sleeve 51, the disk 522 plugs the gas outlet end 512 of the pipe sleeve 51 under the pushing of the return spring 53, when gas enters the pipe sleeve 51, under the extrusion of the gas, the column core 52 slides towards the direction away from the gas outlet end 512 and compresses the return spring 53, the gas outlet end 512 of the pipe sleeve 51 is opened, the gas flows through the pipe sleeve 51 and enters the gas collecting tank 4, after the gas inlet is finished, the disk 522 of the column core 52 resets under the restoring force of the return spring 53, and the disk 522 plugs the gas outlet end 512 of the pipe sleeve 51 again to realize sealing, so that the gas in the gas collecting tank 4 is prevented from flowing backwards, and a gas leakage preventing effect is realized.

As shown in fig. 2, specifically, the pipe sleeve 51 is vertically disposed, the air inlet end 511 of the pipe sleeve 51 faces upward and the air outlet end 512 faces downward, the column core 52 is vertically disposed in an inverted T shape, and the return spring 53 is located below the tray body 522 of the column core 52. the lower end of the return spring 53 can be abutted against the gas collecting tank 4, or other structures, and may be disposed according to actual conditions during installation, as long as the lower end of the return spring 53 can be positioned.

As shown in fig. 1 and 2, in an embodiment, the gas collecting device further includes a tank 7 hermetically connected between the gas guiding tube 3 and the gas collecting tank 4, the tank 7 has a gas inlet 71 communicated with the gas guiding tube 3 and a gas outlet 72 communicated with the gas collecting tank 4, the one-way gas inlet valve 5 is disposed inside the tank 7 and between the gas inlet 71 and the gas outlet 72, the pipe sleeve 51 is inserted inside the tank 7, the gas inlet 511 of the pipe sleeve 51 is communicated with the gas guiding tube 3 through the gas inlet 71, the return spring 53 is disposed between the gas outlet 512 of the pipe sleeve 51 and the gas outlet 72 of the tank 7, one end of the return spring 53 abuts against the disk 522, and the other end of the return spring 53 abuts against the inner wall of the tank.

In this embodiment, in a state where the air outlet end 512 of the pipe sleeve 51 is open, the air guide pipe 3, the air inlet 71 of the tank body 7, the pipe sleeve 51, the air outlet 72 of the tank body 7, and the air collecting tank 4 are sequentially communicated, and the one-way air inlet valve 5 is conveniently installed by providing the tank body 7.

As shown in fig. 1, further, the tank 7 is connected to an air pressure gauge 9 through a communicating pipe 8, and the communicating pipe 8 is communicated with an air inlet 71 of the tank 7 to measure the air pressure.

As shown in fig. 1, in one embodiment, the gas collecting device further includes a hollow housing 10, the pump 2 and the tank 7 are disposed inside the housing 10, the gas collecting tank 4 is disposed outside the housing 10 so as to facilitate mounting and dismounting of the gas collecting tank 4 before and after gas collection, the collecting hood 6 is disposed outside the housing 10 so as to allow gas to enter, a battery mounting groove 101 for mounting a battery 11 of the pump 2 is further provided inside the housing 10, and the battery 11 of the pump 2 is mounted in the battery mounting groove 101 so as to supply power to the pump 2.

As shown in fig. 1, further, the bottom of the housing 10 is provided with an opening through which the gas collection tank 4 extends into the interior of the housing 10 and is detachably connected to the tank body 7, so as to facilitate disassembly and assembly.

Specifically, the tank body 7 is a cylindrical block, and the gas collection tank 4 is in threaded connection with the tank body 7.

As shown in fig. 1, a fixing frame 12 for fixing the pump 2 is further provided inside the housing 10, the fixing frame 12 is suspended and fixed inside the housing 10, and the pump 2 is fixedly connected to the fixing frame 12.

As shown in fig. 1 and 5, the present invention further provides a portable gas collecting device, which comprises a hollow box body 13, a box cover 14 connected with the box body 13 in a turnable manner, and the above-mentioned gas collecting device arranged in the box body 13, wherein a handle 15 is fixed on the outer side surface of the box cover 14 for being portable. Through locating gaseous collection system in box 13, portable, when gathering gas, open case lid 14, take out gaseous collection system and adopt gas, put back gaseous collection system in box 13 after adopting gas, it is all very convenient to use and carry.

As shown in fig. 5, the housing 13 is provided with a device placement groove 131, a backup battery placement groove 132, and a charger placement groove 133, the gas collecting device is fitted in the device placement groove 131, the backup battery of the pump unit 2 is provided in the backup battery placement groove 132, and the charger placement groove 133 is provided with a charger for charging the backup battery.

As shown in fig. 5, one end of the box cover 14 is pivotally connected to the box 13 by a pin, and the other end of the box cover 14 is connected to the box 13 by a lock. The lock is the existing lock, as long as can lock case lid 14 and case body 13, to its concrete structure, the utility model discloses do not restrict.

As shown in fig. 5, support columns 16 are respectively disposed at four corners of the bottom of the box 13 to support the box 13. For example, the support posts 16 are cylindrical or conical.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention. Moreover, it should be noted that the components of the present invention are not limited to the above-mentioned integral application, and various technical features described in the present invention can be selected to be used alone or in combination according to actual needs, so that the present invention naturally covers other combinations and specific applications related to the invention of the present invention.

Claims (10)

1. The utility model provides a gas collecting device, its characterized in that, gas collecting device is including the intake pipe, pump machine, air duct and the gas collection tank that connect gradually, the gas collection tank with still be equipped with between the air duct and make gaseous one-way inflow the one-way admission valve in the gas collection tank.

2. The gas collecting device as claimed in claim 1, wherein the one-way air intake valve includes a tube housing, a post core disposed in the tube housing, and a return spring, two ends of the tube housing are respectively an air intake end and an air outlet end, the air intake end is communicated with the air duct, the post core is a T-shaped structure formed by connecting a post body and a plate body, the diameter of the plate body is larger than that of the post body, the post body is inserted into the tube housing, the plate body and the return spring are located outside the tube housing, the diameter of the plate body is larger than the inner diameter of the tube housing, the plate body is located between the air outlet end of the tube housing and the return spring, and the plate body can block the air outlet end under the pushing of the return spring and can compress the return spring to open the air outlet end under the squeezing of the intake air flow.

3. The gas collecting device as claimed in claim 2, further comprising a tank body hermetically connected between the gas guide tube and the gas collecting tank, wherein the tank body is provided with a gas inlet communicated with the gas guide tube and a gas outlet communicated with the gas collecting tank, the one-way gas inlet valve is arranged inside the tank body and located between the gas inlet and the gas outlet, the pipe sleeve is inserted inside the tank body, the gas inlet end of the pipe sleeve is communicated with the gas guide tube through the gas inlet, the reset spring is arranged between the gas outlet end of the pipe sleeve and the gas outlet of the tank body, one end of the reset spring abuts against the disk body, and the other end of the reset spring abuts against the inner wall of the tank body.

4. The gas collection device of claim 3, wherein the tank is connected to a barometer via a communication tube, the communication tube being in communication with the inlet of the tank.

5. The gas collection device of claim 3, further comprising a hollow housing, wherein the pump and the tank are disposed inside the housing, the vapor collection canister is disposed outside the housing, and a battery mounting slot for mounting a battery of the pump is disposed inside the housing.

6. The gas collection device of claim 5, wherein the housing has an opening in a bottom thereof, and the vapor collection canister extends into the housing through the opening and is removably coupled to the tank.

7. The gas collection device according to any one of claims 1 to 6, further comprising a collection cover connected to the intake pipe, the collection cover having an inner diameter that is gradually enlarged in an intake direction.

8. A portable gas collection apparatus, comprising a hollow case, a case cover connected to the case in a turnable manner, and a gas collection device according to any one of claims 1 to 7 provided in the case, wherein a handle is fixed to an outer side surface of the case cover.

9. The portable gas collecting apparatus according to claim 8, wherein a device placement groove, a backup battery placement groove, and a charger placement groove are provided in the case, the gas collecting device is fitted in the device placement groove, a backup battery is provided in the backup battery placement groove, and a charger for charging the backup battery is provided in the charger placement groove.

10. The portable gas collection apparatus of claim 8, wherein one end of the lid is pivotally connected to the housing by a pin, and the other end of the lid is connected to the housing by a lock.

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