CN213301805U

CN213301805U - Natural gas sampling detection device

Info

Publication number: CN213301805U
Application number: CN202021831906.5U
Authority: CN
Inventors: 付超; 朱凯云; 李萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-05-28
Anticipated expiration: 2030-08-27

Abstract

The utility model relates to a sampling device technical field especially relates to a natural gas sampling detection device, including the gas pipe, the right-hand member threaded connection of gas pipe has the connecting pipe, the top threaded connection of connecting pipe has a valve, the right-hand member threaded connection of connecting pipe has the gas receiver, the bottom fixedly connected with glass board of gas receiver, the inside swing joint of gas receiver has the piston. The to-be-solved technical problem of the utility model is through the gas bomb, the cooperation of parts such as piston and compression spring is used, make natural gas sampling detection device after collecting the natural gas, inside compression spring discharged the effectual natural gas with the gas bomb inside with the one end of piston top to gas bomb, avoid remaining more natural gas in the sampling device, promote the security performance of sampling equipment, through the casing, the cooperation of parts such as rubber pad and detection head is used, make the detection bottle insert the inside natural gas sampling that carries on of casing, overall structure is simple, the cost is lower.

Description

Natural gas sampling detection device

Technical Field

The utility model relates to a sampling device technical field specifically is a natural gas sampling detection device.

Background

Natural gas is a gaseous energy-saving fuel, and the demand for the natural gas increases with industrial production and daily life, but if the natural gas is not used properly, the natural gas can cause great harm, so the natural gas is usually sampled and detected before the natural gas is used;

the prior patent (publication number: CN208297200U) discloses a natural gas component analysis sampling device, which comprises a sampling tank and a natural gas pipe, wherein the top of the sampling tank is fixedly connected with a fixed box, one side of the fixed box is provided with a through hole, and the top and the bottom of the inner cavity of the fixed box are fixedly connected with a support frame and a telescopic rod from left to right in sequence. The inventor finds that the following problems in the prior art are not solved in the process of realizing the scheme: 1. when the detection device detects natural gas, due to the adoption of structures such as a hose and the like, a large amount of natural gas can be stored in the structure after the natural gas is collected, so that the whole device has certain potential safety hazard; 2. meanwhile, the inserting structure in the fixed box of the device is too complex and uses parts such as an electromagnetic valve, so that the manufacturing cost is high, the cost is not economical, and the practicability is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a natural gas sampling detection device has solved partial device and can't effectually have certain potential safety hazard in the natural gas discharge with adapting unit after detecting the natural gas, and partial device's internally mounted structure is too complicated manufacturing cost higher uneconomic simultaneously.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a natural gas sampling and detecting device comprises a gas pipe, wherein the right end of the gas pipe is in threaded connection with a connecting pipe, the top of the connecting pipe is in threaded connection with a first valve, the right end of the connecting pipe is in threaded connection with a gas storage tank, the bottom of the gas storage tank is fixedly connected with a glass plate, the interior of the gas storage tank is movably connected with a piston, a compression spring is fixedly connected between the right end of the piston and the inner wall of the gas storage tank, the left top of the gas storage tank is in threaded connection with a gas outlet pipe, the right side of the gas outlet pipe is in threaded connection with a second valve, the top of the gas outlet pipe is in threaded connection with a sealing device, the sealing device comprises a shell, the bottom of the shell is in threaded connection with the top of the gas outlet pipe, a movable groove is formed in the shell, a, the vertical air channel of having seted up of lateral wall of activity groove, the toper draw-in groove has been seted up at the top of casing, the toper draw-in groove runs through the casing and extends to the activity inslot, the inner wall fixedly connected with rubber pad of toper draw-in groove, the equal swing joint in top both sides of casing has the fixture block, the higher authority of casing is provided with detects the head, it mutually supports with toper draw-in groove to detect the head, the air inlet duct has been seted up to the lower part of detecting the head, the top threaded connection who detects the head has the detection bottle.

Further preferably, the inside of the gas storage box is an arc surface, the glass plate is an arc, the gas storage box and the glass plate are matched with each other, and the glass plate is provided with scales.

Further preferably, the top of the sealing gasket is fixedly connected with an O-shaped sealing ring, the top of the movable groove is provided with an annular sealing groove, and the annular sealing groove is matched with the O-shaped sealing ring.

Further preferably, the number of the vent grooves is four, and the four vent grooves are equidistantly arranged on the side wall of the movable groove along the circumferential direction.

Further preferably, the top of the shell is symmetrically and fixedly connected with a movable sleeve, a clamping block is connected to the inner portion of the movable sleeve in a sliding mode, a short spring is fixedly connected between one end of the clamping block and the inner wall of the movable sleeve, and the two ends, opposite to the clamping block, of the clamping block are arranged to be inclined planes.

Preferably, the number of the air inlet grooves is four, and the four air inlet grooves are equidistantly arranged on the lower portion of the detection head in the circumferential direction.

(III) advantageous effects

The utility model provides a natural gas sampling detection device possesses following beneficial effect:

(1) the device uses through the cooperation of parts such as gas storage box, piston and compression spring, makes natural gas sampling detection device after collecting the natural gas, inside compression spring discharged the inside natural gas of gas storage box with the piston top to the one end of gas storage box is effectual, avoided remaining more natural gas in the sampling device, promoted sampling equipment's security performance.

(2) The device uses through the cooperation of parts such as casing, rubber pad and detection head, makes the detection bottle insert the inside natural gas sampling that carries on of casing, and convenient operation overall structure is simple, and the cost is lower, and the practicality is strong.

Drawings

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

FIG. 2 is an enlarged view of the position A of FIG. 1 according to the present invention;

fig. 3 is a sectional view of the inside of the casing of the present invention.

In the figure: 1, a gas pipe; 2, connecting pipes; a first valve; 4, an air storage tank; 5, a glass plate; 6, a piston; 7 compressing the spring; 8, an air outlet pipe; a second valve 9; 10 sealing means; 101 a shell; 102 an active slot; 103 a gasket; 104 a return spring; 105 a vent channel; 106 tapered card slots; 107 rubber mats; 108, a fixture block; 11 a detection head; 12 an air inlet groove; 13 detecting the bottle; 109O-ring seal; 110 annular seal groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a natural gas sampling and detecting device comprises a gas pipe 1, a connecting pipe 2 is in threaded connection with the right end of the gas pipe 1, a first valve 3 is in threaded connection with the top of the connecting pipe 2, a gas storage tank 4 is in threaded connection with the right end of the connecting pipe 2, a glass plate 5 is fixedly connected with the bottom of the gas storage tank 4, the interior of the gas storage tank 4 is designed to be an arc surface, the glass plate 5 is designed to be arc-shaped, the gas storage tank 4 and the glass plate 5 are matched with each other, so that the inner walls of the gas storage tank 4 and the glass plate 5 are cylindrical, scales are arranged on the glass plate 5, the capacity of measured natural gas is convenient to observe, a piston 6 is movably connected with the interior of the gas storage tank 4, the gas storage tank 4 is designed to be cylindrical, the piston 6 is convenient to slide in the gas storage tank 4, a compression spring 7 is fixedly connected between the right end of the piston 6 and the inner wall of the gas storage tank, avoid more natural gas remaining in the sampling device, improve the safety performance of the sampling device, the left top of the gas storage tank 4 is in threaded connection with an outlet pipe 8, the right side of the outlet pipe 8 is in threaded connection with a second valve 9, the top of the outlet pipe 8 is in threaded connection with a sealing device 10, the sealing device 10 comprises a shell 101, the bottom of the shell 101 is in threaded connection with the top of the outlet pipe 8, a movable groove 102 is formed in the shell 101, a sealing gasket 103 is movably connected in the movable groove 102, an O-shaped sealing ring 109 is fixedly connected to the top of the sealing gasket 103, an annular sealing groove 110 is formed in the top of the movable groove 102, the annular sealing groove 110 is matched with the O-shaped sealing ring 109, improve the air tightness in the shell 101, improve the safety performance of the sampling device, a reset spring 104 is fixedly connected between the bottom of the, four vent grooves 105 are arranged, the four vent grooves 105 are equidistantly arranged on the side wall of the movable groove 102 along the circumferential direction to improve the efficiency of natural gas sampling, a conical clamping groove 106 is arranged at the top of the shell 101, the conical clamping groove 106 penetrates through the shell 101 and extends into the movable groove 102, a rubber pad 107 is fixedly connected to the inner wall of the conical clamping groove 106 to improve the air tightness when the conical clamping groove 106 is clamped, clamping blocks 108 are movably connected to two sides of the top of the shell 101, a movable sleeve is symmetrically and fixedly connected to the top of the shell 101, a clamping block 108 is slidably connected to the inside of the movable sleeve, a short spring is fixedly connected between one end of each clamping block 108 and the inner wall of the movable sleeve, one ends, opposite to the two clamping blocks 108, of the two clamping blocks are arranged to be inclined planes, the detection head 11 clamped into the conical clamping groove 106 is clamped through the sliding of the clamping blocks, the air inlet groove 12 has been seted up to the lower part of detecting head 11, and air inlet groove 12 is equipped with four, and four air inlet grooves 12 are seted up in the lower part of detecting head 11 along the circumferencial direction equidistance, and through detecting that the head 11 bottom pushes down sealed pad 103 to the inside pressure that supports of movable groove 102, make the natural gas from air inlet groove 12 get into inside detecting head 11, improve natural gas sampling efficiency, the top threaded connection that detects head 11 has detection bottle 13. Through sealing device 10's setting messenger detection bottle 13 inserts casing 101 inside and carries out the natural gas sampling, convenient operation overall structure is simple, and the cost is lower, and the practicality is strong.

The working principle is as follows: when natural gas sampling detection is required, firstly, the first valve 3 is opened, natural gas enters the gas storage tank 4 from the gas pipe 1 at the moment, the piston 6 movably connected inside the gas storage tank 4 moves rightwards, the natural gas capacity of sampling is grasped by observing scales on the glass plate 5 fixedly connected with the bottom of the gas storage tank 4, then, the first valve 3 is closed, the interface of the detection bottle 13 is connected onto the detection head 11 through threads, then, the detection head 11 is pressed towards the inside of the conical clamping groove 106 formed in the top of the shell 101, the bottom of the detection head 11 is enabled to move downwards against the sealing gasket 103 movably connected inside the movable groove 102, the clamping block 108 movably connected with the top of the shell 101 is clamped on the top of the detection head 11 along with the pressing of the detection head 11, the position of the detection head 11 is fixed, then, the second valve 9 is opened, the gas outlet pipe 8 in threaded connection with the second valve 9 conveys the natural gas inside the gas storage tank 4 into the movable, at this moment, the natural gas is conveyed into the air inlet groove 12 through the air vent groove 105 and then enters the interior of the detection bottle 13, the piston 6 is pushed to one end of the gas storage box 4 by the compression spring 7 fixedly connected with the inner wall of the piston 6 and the inner wall of the gas storage box 4 along with gradual reduction of the natural gas in the gas storage box 4, the natural gas in the gas storage box 4 is discharged at the moment, more natural gas is prevented from remaining in the sampling device, and the safety performance of the sampling device is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.

Claims

1. The utility model provides a natural gas sampling detection device, includes gas pipe (1), its characterized in that: the gas pipe is characterized in that the right end of the gas pipe (1) is in threaded connection with a connecting pipe (2), the top of the connecting pipe (2) is in threaded connection with a first valve (3), the right end of the connecting pipe (2) is in threaded connection with a gas storage tank (4), the bottom of the gas storage tank (4) is fixedly connected with a glass plate (5), the interior of the gas storage tank (4) is movably connected with a piston (6), and a compression spring (7) is fixedly connected between the right end of the piston (6) and the inner wall of the gas storage tank (4);

the top of the left side of the gas storage box (4) is in threaded connection with a gas outlet pipe (8), the right side of the gas outlet pipe (8) is in threaded connection with a second valve (9), and the top of the gas outlet pipe (8) is in threaded connection with a sealing device (10);

the sealing device (10) comprises a shell (101), the bottom of the shell (101) is in threaded connection with the top of the air outlet pipe (8), a movable groove (102) is formed in the shell (101), a sealing gasket (103) is movably connected in the movable groove (102), a return spring (104) is fixedly connected between the bottom of the sealing gasket (103) and the inner wall of the movable groove (102), and a vent groove (105) is vertically formed in the side wall of the movable groove (102);

the top of the shell (101) is provided with a conical clamping groove (106), the conical clamping groove (106) penetrates through the shell (101) and extends into the movable groove (102), and a rubber pad (107) is fixedly connected to the inner wall of the conical clamping groove (106);

the equal swing joint in top both sides of casing (101) has fixture block (108), be provided with on casing (101) and detect head (11), it mutually supports with toper draw-in groove (106) to detect head (11), intake duct (12) have been seted up to the lower part of detecting head (11), the top threaded connection who detects head (11) has detection bottle (13).

2. The natural gas sampling test device of claim 1, wherein: the glass plate is characterized in that the inner portion of the gas storage box (4) is designed to be an arc surface, the glass plate (5) is designed to be arc-shaped, the gas storage box (4) is matched with the glass plate (5), and scales are arranged on the glass plate (5).

3. The natural gas sampling test device of claim 1, wherein: the top fixedly connected with O type sealing washer (109) of sealed pad (103), annular seal groove (110) have been seted up at the top of activity groove (102), annular seal groove (110) and O type sealing washer (109) are mutually supported.

4. The natural gas sampling test device of claim 1, wherein: the number of the vent grooves (105) is four, and the four vent grooves (105) are equidistantly arranged on the side wall of the movable groove (102) along the circumferential direction.

5. The natural gas sampling test device of claim 1, wherein: the top symmetry fixedly connected with movable sleeve of casing (101), the inside sliding connection of movable sleeve has fixture block (108), fixedly connected with short spring between the one end of fixture block (108) and the movable sleeve inner wall, two the relative one end of fixture block (108) is established to the inclined plane.

6. The natural gas sampling test device of claim 1, wherein: the four air inlet grooves (12) are arranged at the lower part of the detection head (11) at equal intervals along the circumferential direction, and the number of the air inlet grooves (12) is four.