CN216381488U

CN216381488U - Coal mine gas extraction adapter

Info

Publication number: CN216381488U
Application number: CN202122595445.7U
Authority: CN
Inventors: 孙琦峥
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-26
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a coal mine gas extraction adapter, and relates to the technical field of gas extraction. This coal mine gas drainage adapter, including adapter main part and link, the back fixedly connected with intake pipe of adapter main part, the equal fixedly connected with outlet duct in top both sides of adapter main part, the bottom threaded connection of adapter main part has the storage tank, the external fixed surface of outlet duct installs control flap, link activity joint is in the inside of storage tank, the top of link is equipped with the filter, the inside fixedly connected with returning charge guard board of link, the filter activity joint just is located between intake pipe and the outlet duct in the inside of adapter main part. This colliery gas drainage adapter, the impurity in the convenient gas of using filters, avoids impurity to appear the returning charge when filtering simultaneously.

Description

Coal mine gas extraction adapter

Technical Field

The utility model relates to the technical field of gas extraction, in particular to a coal mine gas extraction adapter.

Background

The gas is used as associated gas of a coal mine, some natural gas can be found frequently in the process of coal mining, the gas in the coal mine can be extracted by a high-pressure suction pump generally at the moment, then the extracted gas is bottled, the follow-up use is facilitated, the extraction adapter can be generally used in the bottling process, and the gas in an extraction main pipeline can be conveniently led into the gas bottle.

However, in actual operation, because gas and coal mine are mutually attached, when using the high-pressure suction pump to suction, there are some coal fragments and dust to follow the inside that gas enters into the suction pipeline usually, when the adapter is passed through, impurity can be inside along with gas enters into the gas bottle, influences the quality of canned gas to can lead to the fact certain corruption to the gas bottle, consequently need provide a coal mine gas and take out the adapter in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model discloses a coal mine gas extraction adapter, which aims to solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a coal mine gas extraction adapter comprises an adapter main body, wherein an air inlet pipe is fixedly connected to the back of the adapter main body, air outlet pipes are fixedly connected to two sides of the top end of the adapter main body, a material storage tank is connected to the bottom end of the adapter main body in a threaded mode, and a control valve is fixedly installed on the outer surface of each air outlet pipe;

the connecting frame, the connecting frame activity joint is in the inside of storage tank, the top of connecting frame is equipped with the filter, the inside fixedly connected with returning charge guard shield of connecting frame, the filter activity joint just is located between intake pipe and the outlet duct in the inside of adapter main part.

Preferably, a first pressure gauge is fixedly installed at the top of the adapter main body, and a second pressure gauge is fixedly installed on the outer surface of the bottom end of the air outlet pipe.

Preferably, the outer surface of the end part of the air inlet pipe is movably sleeved with a threaded end cover, and the end part of the air inlet pipe is provided with an annular sealing groove.

Preferably, the filter includes solid fixed ring and filter screen, filter screen fixed mounting is in solid fixed ring's inside, fixedly connected with limit stop on the inside wall of adapter main part, gu fixed ring's upper surface offsets with limit stop.

Preferably, the lower surface of the fixing ring is movably inserted with a support rod, and the bottom end of the support rod is fixedly connected to the upper surface of the connecting frame.

Preferably, the upper surface of the connecting frame is provided with a conical guide chute, the storage tank is fixedly connected with a baffle ring in the storage tank, and the bottom end of the connecting frame is abutted to the baffle ring.

Preferably, the outer surface of the storage tank is fixedly connected with a handle, and the outer surface of the top end of the storage tank is movably sleeved with a sealing rubber ring.

The utility model discloses a coal mine gas extraction adapter, which has the following beneficial effects:

1. this coal mine gas drainage adapter, through being connected intake pipe and gas suction trunk line, then be connected outlet duct and gas filling bottle, then open the control flap of this outlet duct surface, the inside gas of gas drainage trunk line this moment is carrying impurity and is entering into inside the adapter main part, and enter into the inside of gas filling bottle through the outlet duct, at this in-process, gas passes the filter screen, and the impurity that is mingled with in the gas is blockked by the filter screen, make impurity drop downwards and fall into the inside of storage tank through the link, and under the effect of returning charge guard flap, prevent that impurity from appearing returning charge and upwards gushing the condition of playing under the air current effect, it is higher with this gas purity of guaranteeing adapter main part output.

2. This coal mine gas drainage adapter, through fixedly connected with limit stop on the inside wall of adapter main part, solid fixed ring's upper surface offsets with limit stop, and solid fixed ring's lower surface activity is pegged graft simultaneously has the bracing piece, and the bottom fixed connection of bracing piece is at the upper surface of link to the inside fixedly connected with of storage tank keeps off the ring, and the bottom of link offsets with keeping off the ring, guarantees that the filter can not take place the shake when using.

Drawings

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

FIG. 2 is a cross-sectional view showing the internal structure of the adapter body according to the present invention;

FIG. 3 is a schematic view of the outer surface of the storage tank of the present invention;

fig. 4 is a sectional view of the internal structure of the storage tank of the present invention.

In the figure: 1. an adaptor body; 2. an air outlet pipe; 3. a material storage tank; 4. a first pressure gauge; 5. a control valve; 6. a second pressure gauge; 7. an air inlet pipe; 8. a threaded end cap; 9. a filter plate; 901. a fixing ring; 902. a filter screen; 10. a limit stop block; 11. a handle; 12. a connecting frame; 13. a support bar; 14. a baffle ring; 15. a material returning protective baffle; 16. a conical guide chute.

Detailed Description

The embodiment of the utility model discloses a coal mine gas extraction adapter, which comprises an adapter main body 1, wherein an air inlet pipe 7 is fixedly connected to the back of the adapter main body 1, air outlet pipes 2 are fixedly connected to two sides of the top end of the adapter main body 1, a storage tank 3 is in threaded connection with the bottom end of the adapter main body 1, and a control valve 5 is fixedly installed on the outer surfaces of the air outlet pipes 2;

the device still includes link 12 simultaneously, and link 12 activity joint is in the inside of storage tank 3, and the top of link 12 is equipped with filter 9, and the inside fixedly connected with returning charge guard plate 15 of link 12, filter 9 activity joint just are located between intake pipe 7 and the outlet duct 2 in the inside of adapter main part 1, and returning charge guard plate 15 is two sets of alternately downward sloping settings, effectively avoids impurity to fall into the inside of storage tank 3 and the returning charge appears.

Referring to the attached drawings 1-2, the top of the adapter main body 1 is fixedly provided with a first pressure gauge 4, the bottom outer surface of the air outlet pipe 2 is fixedly provided with a second pressure gauge 6, the real-time pressure change inside the adapter main body 1 is monitored through the first pressure gauge 4, and meanwhile, the second pressure gauge 6 detects the pressure value inside the filling bottle before filling, so that the pressure adverse difference is avoided, and the condition that gas cannot enter the filling bottle is avoided.

Referring to the attached drawing 2, the threaded end cover 8 is sleeved on the outer surface of the end of the air inlet pipe 7 in a movable mode, the annular sealing groove is formed in the end of the air inlet pipe 7, the air inlet pipe 7 is connected with a gas suction main pipeline, the threaded end cover 8 is connected to the outer surface of the gas suction main pipeline in a threaded mode, and the adapter main body 1 is conveniently connected with the gas extraction main pipeline.

Referring to fig. 3-4, the filter 9 includes a fixing ring 901 and a filter screen 902, the filter screen 902 is fixedly mounted inside the fixing ring 901, a limit stop 10 is fixedly connected to the inner side wall of the adapter body 1, the upper surface of the fixing ring 901 abuts against the limit stop 10, a support rod 13 is movably inserted into the lower surface of the fixing ring 901, the bottom end of the support rod 13 is fixedly connected to the upper surface of the connecting frame 12, the fixing ring 901 is extruded and fixed through the support rod 13 and the limit stop 10, and the filter 9 is prevented from shaking up and down when in use.

Referring to fig. 4, a conical guide chute 16 is formed in the upper surface of the connecting frame 12, a baffle ring 14 is fixedly connected to the inside of the storage tank 3, and the bottom end of the connecting frame 12 abuts against the baffle ring 14, so that the impurities can be conveniently discharged.

Referring to fig. 3-4, the outer surface of the storage tank 3 is fixedly connected with a handle 11, the outer surface of the top end of the storage tank 3 is movably sleeved with a sealing rubber ring, and the storage tank 3 is screwed off from the bottom thread of the adapter body 1 by rotating the handle 11.

The working principle is as follows: when the device is used, the air inlet pipe 7 is connected with a gas suction main pipeline, the threaded end cover 8 is in threaded connection with the outer surface of the gas suction main pipeline for installation, when the device is used, the negative pressure suction pump is installed at the end part of the air outlet pipe 2 and is connected with a gas filling bottle through the negative pressure suction pump, then the control valve 5 on the outer surface of the air outlet pipe 2 is opened, at the moment, gas in the gas suction main pipeline carries impurities to enter the adaptor main body 1 and enters the gas filling bottle through the air outlet pipe 2, in the process, the gas passes through the filter screen 902, the impurities mixed in the gas are blocked by the filter screen 902, the impurities fall downwards and fall into the storage tank 3 through the connecting frame 12, and under the action of the return material protective baffle 15, the situation that the return materials flow upwards gushes up under the action of air flow is prevented from occurring in the impurities, therefore, the purity of the gas output by the adapter main body 1 is ensured to be higher;

simultaneously after the use, through closing the valve of gas drainage trunk line surface, make gas no longer gush into to adapter main part 1 inside, through rotating handle 11 this moment, make storage tank 3 screw thread from adapter main part 1 unscrew, storage tank 3 drives filter 9 downstream through bracing piece 13 this moment, take filter 9 and link 12 downwards in step out, shift out link 12 from storage tank 3 inside this moment, conveniently fall the sediment, clean filter screen 902 simultaneously.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a colliery gas drainage adapter which characterized in that includes:

the air inlet pipe (7) is fixedly connected to the back face of the adapter main body (1), the air outlet pipe (2) is fixedly connected to two sides of the top end of the adapter main body (1), the storage tank (3) is in threaded connection with the bottom end of the adapter main body (1), and the control valve (5) is fixedly mounted on the outer surface of the air outlet pipe (2);

link (12), link (12) activity joint is in the inside of storage tank (3), the top of link (12) is equipped with filter (9), the inside fixedly connected with returning charge guard shield (15) of link (12), filter (9) activity joint just is located between intake pipe (7) and outlet duct (2) in the inside of adapter main part (1).

2. The coal mine gas extraction adapter according to claim 1, characterized in that: the top fixed mounting of adapter main part (1) has first manometer (4), the bottom surface fixed mounting of outlet duct (2) has second manometer (6).

3. The coal mine gas extraction adapter according to claim 1, characterized in that: the outer surface of the end part of the air inlet pipe (7) is movably sleeved with a threaded end cover (8), and the end part of the air inlet pipe (7) is provided with an annular sealing groove.

4. The coal mine gas extraction adapter according to claim 1, characterized in that: the filter plate (9) comprises a fixing ring (901) and a filter screen (902), the filter screen (902) is fixedly installed inside the fixing ring (901), a limit stop (10) is fixedly connected to the inner side wall of the adapter body (1), and the upper surface of the fixing ring (901) is abutted to the limit stop (10).

5. The coal mine gas extraction adapter according to claim 4, wherein: the lower surface of the fixing ring (901) is movably inserted with a support rod (13), and the bottom end of the support rod (13) is fixedly connected to the upper surface of the connecting frame (12).

6. The coal mine gas extraction adapter according to claim 5, characterized in that: the upper surface of the connecting frame (12) is provided with a conical guide chute (16), the storage tank (3) is fixedly connected with a baffle ring (14), and the bottom end of the connecting frame (12) is abutted against the baffle ring (14).

7. The coal mine gas extraction adapter according to claim 1, characterized in that: the outer fixed surface of storage tank (3) is connected with handle (11), the top surface activity of storage tank (3) has cup jointed the sealing rubber circle.