CN216484175U - Toxic gas leakage-proof collecting and sampling device - Google Patents

Abstract

The utility model discloses a toxic gas leakage-proof collecting and sampling device, which relates to the technical field of toxic gas collection, and particularly relates to a toxic gas leakage-proof collecting and sampling device. This poisonous gaseous leakage-proof collection sampling device, through the setting of outer lag and interior collection box, the inner chamber that makes the breather pipe is provided with first backup pad, first shutoff spring, first shutoff ring, first shutoff board, make the inboard of cover of ventilating connect through connecting block and bearing and descend the compression leg, be convenient for through the inner chamber of the outer lag of cover control of ventilating, be located the atmospheric pressure of accuse gas stopper and sealing washer top, conveniently guarantee that the gaseous whole gas of collecting is for treating the gas of collecting, can effectively improve gaseous purity.

Description

Toxic gas leakage-proof collecting and sampling device

Technical Field

The utility model relates to the technical field of toxic gas collection, in particular to a toxic gas leakage-proof collecting and sampling device.

Background

A gas is one of four basic material states (the other three are respectively solid, liquid and plasma), the gas can be composed of a single atom (such as rare gas), a single substance molecule composed of one element (such as oxygen), a compound molecule composed of multiple elements (such as carbon dioxide) and the like, a gas mixture can comprise multiple gas materials such as air, the gas is significantly different from the liquid and the solid in that the intervals among gas particles are large, the intervals make the human eyes hardly perceive colorless gas, and the gas is fluid like the liquid: it can flow, can be deformed, and gas can be compressed, and if there is no restriction (container or force field), gas can be diffused, its volume is not limited, and is not fixed, and the atom or molecule of gaseous substance can freely move between each other, and the gas's characteristic is between liquid and plasma, and the gas's temperature can not exceed plasma, and the gas's temperature lower limit is degenerate state quark gas, and now it is more and more important, and atomic gas of high density is cooled to very low temperature, and can be divided into vitreous gas and fermi gas according to its statistical characteristics, and other phase states can refer to phase state list.

In the collecting process of toxic gas, the sampling bag is after finishing collecting, is difficult to guarantee the gas tightness of sampling bag usually, and uses the sampling bag to collect the back to toxic gas, takes out the inside gas of sampling bag, and is troublesome usually, easily leads to gas leakage, and the device is when not simultaneously, and the inside gas tightness that is difficult to guarantee the device is good, for this reason, we propose a toxic gas prevents leaking the collection sampling device.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a toxic gas leakage-proof collecting and sampling device, which solves the problems in the background technology.

In order to realize the purpose, the utility model is realized by the following technical scheme: the utility model provides a toxic gas prevents leaking collection sampling device, includes outer lag, the upper and lower face fixedly connected with spliced pole of outer lag inner chamber, the inboard fixedly connected with internal collection case of spliced pole, the inner chamber movable sleeve of internal collection case is equipped with the sealing washer, the inner chamber of sealing washer is fixed with the accuse gas plug, the top of accuse gas plug upwards extends to the top of outer lag, the top fixed mounting of internal collection case has the atmospheric pressure to detect the table, the sense terminal downwardly extending of atmospheric pressure detection table is between outer lag and the internal collection case.

Optionally, the outer protecting sleeve and the top of the inner collecting box are fixedly sleeved with a vent pipe, an inner cavity of the vent pipe is fixedly sleeved with a first supporting plate, the top end of the first supporting plate is fixedly connected with a first plugging plate, and an inner cavity of the vent pipe is fixedly sleeved with a first plugging ring.

Optionally, the outside on breather pipe top is equipped with the aeration cover through screw thread movable sleeve, the fixed cover in top of aeration cover inner chamber is equipped with the connecting block, the fixed cover in inner chamber of connecting block is equipped with the bearing, the fixed cover in inner chamber of bearing is equipped with down the compression leg.

Optionally, an air inlet pipe is fixedly installed in the bottom fixing sleeve of the outer protecting sleeve and the inner collecting box, a blocking pipe is sleeved outside the bottom end of the air inlet pipe through a thread, a second supporting plate is fixedly sleeved in an inner cavity of the blocking pipe, a second blocking spring is fixedly connected to the bottom end of the second supporting plate, a second blocking ring is fixedly sleeved in the inner cavity of the blocking pipe, and a second blocking plate is fixedly connected to the bottom end of the second blocking spring.

Optionally, the diameter value of the lower compression leg is smaller than the inner diameter value of the first plugging plate, the lower compression leg is located above the first plugging ring, and the center of the lower compression leg and the center of the first plugging ring are located on the same vertical line.

Optionally, the inner cavity of the vent pipe is communicated with the upper parts of the outer protecting sleeve inner cavity sealing ring and the air control plug, the inner cavity of the air inlet pipe is communicated with the inner cavity of the blocking pipe, and the inner cavity of the blocking pipe is communicated with the lower parts of the outer protecting sleeve inner cavity sealing ring and the air control plug.

The utility model provides a toxic gas leakage-proof collecting and sampling device, which has the following beneficial effects:

1. this toxic gas prevents leaking collection sampling device, setting through outer lag and adduction collection box, the breather pipe is equipped with at the fixed cover of the inboard of outer lag and adduction collection box, the inner chamber that makes the breather pipe is provided with first backup pad, first shutoff spring, first shutoff ring, first shutoff board, it has the cover of ventilating to overlap through screw thread activity in the outside of breather pipe top, make the inboard of the cover of ventilating pass through connecting block and bearing connection lower compression leg, be convenient for through the inner chamber of the outer lag of the cover control of ventilating, be located the atmospheric pressure of accuse gas stopper and sealing washer top, conveniently guarantee that the gas of collecting is whole for the gas of treating the collection, can effectively improve gaseous purity.

2. This sampling device is gathered in poisonous gas leakage prevention, through outer lag and the fixed cover in adduction collection box inner chamber bottom be equipped with the shutoff pipe, the inner chamber that makes the shutoff pipe is provided with the second backup pad, the second shutoff spring, the second shutoff board, the second shutoff ring, make the shutoff pipe pass through the outside of screw thread suit at the intake pipe, the inner chamber that conveniently will outer lag seals when using, prevent the inner chamber gas leakage of outer lag, the outside that the atmospheric pressure detected the table can in time detect outer lag and the gas tightness of adduction collection box inner chamber simultaneously, prevent the gas leakage of outer lag.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the slicing structure of the present invention;

FIG. 3 is a schematic view of a vent pipe according to the present invention;

fig. 4 is a schematic structural view of the plugging tube of the present invention.

In the figure: 1. an outer protective sleeve; 2. connecting columns; 3. an inner collection box; 4. controlling an air plug; 5. a seal ring; 6. An air pressure detection meter; 7. a breather pipe; 8. a first support plate; 9. a first plugging spring; 10. a first plugging ring; 11. a first plugging plate; 12. a ventilation sleeve; 13. connecting blocks; 14. a bearing; 15. pressing the column; 16. an air inlet pipe; 17. plugging the pipe; 18. a second support plate; 19. a second plugging spring; 20. a second plugging plate; 21. a second plugging ring.

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.

Referring to fig. 1 to 2, the present invention provides a technical solution: a toxic gas leakage-proof collecting and sampling device comprises an outer protective sleeve 1, wherein a connecting column 2 is fixedly connected to the upper surface and the lower surface of the inner cavity of the outer protective sleeve 1, an inner collecting box 3 is fixedly connected to the inner side of the connecting column 2, a sealing ring 5 is movably sleeved in the inner cavity of the inner collecting box 3, a gas control plug 4 is fixed in the inner cavity of the sealing ring 5, the top end of the gas control plug 4 extends upwards to the upper part of the outer protective sleeve 1, a gas pressure detection meter 6 is fixedly installed above the inner collecting box 3, the detection end of the gas pressure detection meter 6 extends downwards to a position between the outer protective sleeve 1 and the inner collecting box 3, the outer protective sleeve 1 and the outer environment are protected and isolated through the inner collecting box 3 during use, the outer protective sleeve 1 is prevented from being closed in the using process, and toxic gas leakage of the inner cavity of the outer protective sleeve 1 is prevented, the inner collection box 3 can protect the outside, and the space between the inner collection box 3 and the outer protective sleeve 1 is vacuumized, the air pressure detecting meter 6 can know the tightness of the inner cavity of the inner collecting box 3 in time, and can process the toxic gas in the device in time when leakage occurs, the inner cavity of the vent pipe 7 is communicated with the upper parts of the sealing ring 5 and the air control plug 4 in the inner cavity of the outer protective sleeve 1, the inner cavity of the air inlet pipe 16 is communicated with the inner cavity of the blocking pipe 17, the inner cavity of the blocking pipe 17 is communicated with the inner cavity of the outer protective sleeve 1 below the sealing ring 5 and the air control plug 4, the arrangement of the vent pipe 7 and the vent sleeve 12 is convenient to balance the air pressure of the upper half space of the inner cavity of the outer protective sleeve 1 to be the same as the external air pressure, the air pressure is prevented from being unbalanced, and toxic air is difficult to be sent to the inner cavity of the outer protective sleeve 1, meanwhile, the arrangement of the blocking pipe 17 mainly plays a role in preventing the toxic gas in the inner cavity of the outer protective sleeve 1 from flowing back.

Referring to fig. 3, a vent pipe 7 is fixedly sleeved on the top ends of the outer protective sleeve 1 and the inner collecting box 3, a first support plate 8 is fixedly sleeved in an inner cavity of the vent pipe 7, a first plugging plate 11 is fixedly connected to the top end of the first support plate 8, a first plugging ring 10 is fixedly sleeved in an inner cavity of the vent pipe 7, a connecting column 2 and a first plugging spring 9 are arranged with the first plugging ring 10 and the first plugging plate 11, so that the positions of the air control plug 4 and the sealing ring 5 can be controlled in the using process, the positions of the air control plug 4 and the sealing ring 5 can be conveniently limited, the air control plug 4 and the sealing ring 5 can move in the inner cavity of the outer protective sleeve 1 by opening the first plugging ring 10 and the first plugging plate 11, an air vent sleeve 12 is movably sleeved on the outer portion of the top end of the vent pipe 7 through a thread, and a connecting block 13 is fixedly sleeved on the top end of the inner cavity of the air vent sleeve 12, a bearing 14 is fixedly sleeved in an inner cavity of the connecting block 13, a lower compression leg 15 is fixedly sleeved in the inner cavity of the bearing 14, the vent sleeve 12 is screwed in from the upper part of the vent pipe 7 to the outer part of the vent pipe 7, the vent sleeve 12 drives the connecting block 13 and the lower compression leg 15 to move downwards, the lower compression leg 15 moves the first plugging plate 11 downwards, the first plugging plate 11 pushes the first plugging spring 9 to compress, the first plugging spring 9 is in a compressed state, then the first plugging ring 10 and the first plugging plate 11 flow out of a gap, then a space above the sealing ring 5 in the inner cavity of the outer protective sleeve 1 is communicated with the outside, the air control plug 4 and the sealing ring 5 can move up and down conveniently, the movement of the air control plug 4 and the sealing ring 5 is prevented from being blocked, the diameter value of the lower compression leg 15 is smaller than the inner diameter value of the first plugging plate 11, the lower compression leg 15 is positioned above the first plugging ring 10, and the center of the lower compression leg 15 and the center of the first plugging ring 10 are positioned on the same vertical line, the setting of lower compression leg 15 plays the effect of pressing first closure plate 11 downwards, conveniently makes the first half of outer lag 1 inner chamber and external atmospheric pressure intercommunication, makes outer lag 1 the same with external atmospheric pressure, conveniently sends the inner chamber of outer lag 1 with poison gas.

Referring to fig. 4, an air inlet pipe 16 is fixedly sleeved at the bottom ends of the outer protective sleeve 1 and the inner collecting box 3, a blocking pipe 17 is sleeved outside the bottom end of the air inlet pipe 16 through a screw thread, a second supporting plate 18 is fixedly sleeved in an inner cavity of the blocking pipe 17, a second blocking spring 19 is fixedly connected to the bottom end of the second supporting plate 18, a second blocking ring 21 is fixedly sleeved in an inner cavity of the blocking pipe 17, a second blocking plate 20 is fixedly connected to the bottom end of the second blocking spring 19, the blocking pipe 17 is arranged to prevent toxic gas in the inner cavity of the outer protective sleeve 1 from leaking from the air inlet pipe 16, so that the toxic gas is upwardly fed through the blocking pipe 17, the gas pushes the second supporting plate 18 to compress, a gap is reserved between the second blocking plate 20 and the second blocking ring 21, the toxic gas enters the inner cavity of the outer protective sleeve 1 and is located below the sealing ring 5 and the air control plug 4, and pushes the air control plug 4 and the sealing ring 5 to move upwardly, the toxic gas is conveniently fed to the inner cavity of the outer protective sleeve 1, and meanwhile, after the gas feeding is stopped, the second plugging plate 20 and the second plugging ring 21 can seal the plugging pipe 17 under the action of the second plugging spring 19.

In conclusion, when the toxic gas leakage-proof collecting and sampling device is used, the plugging pipe 17 is firstly screwed off from the outside of the air inlet pipe 16, so that the inner cavity of the outer protection sleeve 1 is communicated with the outside through the air inlet pipe 16, then the ventilation sleeve 12 is screwed in from the upper part of the ventilation pipe 7 to the outside of the ventilation pipe 7, so that the ventilation sleeve 12 drives the connecting block 13 and the lower pressing column 15 to move downwards, the lower pressing column 15 moves the first plugging plate 11 downwards, the first plugging plate 11 pushes the first plugging spring 9 to be compressed, the first plugging spring 9 is in a compressed state, then the first plugging ring 10 and the first plugging plate 11 flow out of a gap, then the space above the sealing ring 5 in the inner cavity of the outer protection sleeve 1 is communicated with the outside, then the output end provided with a toxic gas sealing tank is connected with the plugging pipe 17 through a rubber pipe, so that toxic gas is upwards fed through the plugging pipe 17, and gas pushes the second supporting plate 18 to be compressed, a gap is reserved between the second plugging plate 20 and the second plugging ring 21, then toxic gas can enter the inner cavity of the outer protective sleeve 1 and is positioned below the sealing ring 5 and the gas control plug 4, the gas control plug 4 and the sealing ring 5 are pushed to move upwards, after the gas control plug 4 and the sealing ring 5 move upwards to a proper position, the output end of the toxic gas tank is closed, then the second plugging plate 20 can move downwards under the action of the second plugging spring 19, the second plugging plate 20 and the second plugging ring 21 seal the plugging pipe 17, then the ventilation sleeve 12 is screwed down from the outside of the top end of the ventilation pipe 7, and the first plugging plate 11 and the first plugging ring 10 seal the ventilation pipe 7 under the action of the first plugging spring 9.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. 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.

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 (6)

1. The utility model provides a sampling device is gathered in poisonous gaseous leakage prevention, includes outer lag (1), its characterized in that: the upper and lower fixedly connected with spliced pole (2) of outer lag (1) inner chamber, inboard fixedly connected with internal collection case (3) of spliced pole (2), the inner chamber movable sleeve of internal collection case (3) is equipped with sealing washer (5), the inner chamber of sealing washer (5) is fixed with accuse gas plug (4), the top of accuse gas plug (4) upwards extends to the top of outer lag (1), the top fixed mounting of internal collection case (3) has atmospheric pressure to detect table (6), the sense terminal downwardly extending of atmospheric pressure detection table (6) extends to between outer lag (1) and the internal collection case (3).

2. A toxic gas leakage prevention, collection and sampling apparatus, as recited in claim 1, wherein: the outer protecting sleeve (1) and the top of the inner collecting box (3) are fixedly sleeved with a vent pipe (7), the inner cavity of the vent pipe (7) is fixedly sleeved with a first supporting plate (8), the top end of the first supporting plate (8) is fixedly connected with a first plugging plate (11), and the inner cavity of the vent pipe (7) is fixedly sleeved with a first plugging ring (10).

3. A toxic gas leakage prevention, collection and sampling apparatus, as recited in claim 2, wherein: the outside on breather pipe (7) top is equipped with through screw thread movable sleeve and is led to gas cover (12), the fixed cover in top of gas cover (12) inner chamber is equipped with connecting block (13), the fixed cover in inner chamber of connecting block (13) is equipped with bearing (14), the fixed cover in inner chamber of bearing (14) is equipped with down compression leg (15).

4. A toxic gas leakage prevention, collection and sampling apparatus, as recited in claim 2, wherein: the outer protecting sleeve (1) and the bottom fixing sleeve of the inner collecting box (3) are provided with an air inlet pipe (16), the outer portion of the bottom end of the air inlet pipe (16) is provided with a blocking pipe (17) in a sleeved mode through threads, the inner cavity of the blocking pipe (17) is fixedly provided with a second supporting plate (18), the bottom end of the second supporting plate (18) is fixedly connected with a second blocking spring (19), the inner cavity of the blocking pipe (17) is fixedly provided with a second blocking ring (21), and the bottom end of the second blocking spring (19) is fixedly connected with a second blocking plate (20).

5. A toxic gas leakage prevention, collection and sampling apparatus, as recited in claim 3, wherein: the diameter value of lower compression leg (15) is less than the internal diameter value of first shutoff board (11), lower compression leg (15) are located the top of first shutoff ring (10), the center of lower compression leg (15) and the center of first shutoff ring (10) are located same vertical line.

6. A toxic gas leakage prevention, collection and sampling apparatus, according to claim 4, wherein: the inner cavity of the vent pipe (7) is communicated with the upper parts of the outer protective sleeve (1), the inner cavity sealing ring (5) and the air control plug (4), the inner cavity of the air inlet pipe (16) is communicated with the inner cavity of the blocking pipe (17), and the inner cavity of the blocking pipe (17) is communicated with the lower parts of the outer protective sleeve (1), the inner cavity sealing ring (5) and the air control plug (4).

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