CN114165275A

CN114165275A - Pipeline butt joint structure convenient to seal for gas drainage

Info

Publication number: CN114165275A
Application number: CN202111383013.8A
Authority: CN
Inventors: 刘�东
Original assignee: Shenyang Research Institute Co Ltd of CCTEG
Current assignee: Shenyang Research Institute Co Ltd of CCTEG
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-03-11

Abstract

The invention discloses a pipeline butt joint structure convenient for sealing for gas extraction, which comprises: the device comprises an extraction pipe serving as a supporting base of the device, wherein one end of the extraction pipe is provided with an annular groove, and the other end of the extraction pipe is fixedly connected with an annular plugboard; place the chamber, set up on the ring channel inner wall, place the first spring of fixedly connected with on the intracavity portion bottom surface, the slot is seted up on the annular picture peg inside wall. This gas is taken out and is adopted pipeline butt joint structure convenient to seal, promote the inserted bar through first spring and reset, insert in the slot, take out and adopt a tub one end to fix and take out a tub one end in another group, and then be convenient for the butt joint, and then be convenient for keep warm, through rotatory lead screw, drive the internal thread pipe, make annular scraper remove along taking out the inside pipe wall of taking out, and then be convenient for clear up, promote the arc through rotatory threaded rod and remove, make sealed pad reach port butt joint department, form complete sealing washer through two sets of sealing pads, and then be convenient for seal.

Description

Pipeline butt joint structure convenient to seal for gas drainage

Technical Field

The invention relates to the technical field of gas extraction, in particular to a pipeline butt joint structure convenient to seal for gas extraction.

Background

The gas extraction is to drill a coal seam and a gas gathering area, connect a drill hole on a special pipeline, and extract gas in the coal seam and a goaf to the ground by using extraction equipment for utilization or discharge to a total return air flow, wherein the gas extraction needs to use a pipeline to transport gas, and the pipeline adopted by the existing gas extraction has certain defects, such as the defects;

according to the coal mine gas extraction pipeline system with the closed connection disclosed in the publication number CN209670998U, the gas collecting pipe and the extraction pipe in the hole are in threaded fit connection through the hexagonal pagoda type horse-tooth buckle joint and the horse-tooth buckle joint with the screw cap, so that the pipeline connection sealing performance is extremely high, and the gas leakage phenomenon which is easy to occur in the connection of general pipelines is avoided; the whole set of pipeline device is attractive and elegant, the phenomenon of messy and poor coal mine is changed, and powerful support is provided for creating coal mine lightening engineering;

this prior art solution also presents the following problems when in use:

1. it is not convenient to seal at the butt joint;

2. the butt joint is inconvenient;

3. heat preservation is inconvenient;

4. the protection effect is poor;

5. the inner wall is not convenient to clean;

improvements are needed to address the above problems.

Disclosure of Invention

The invention aims to provide a pipeline butt joint structure for gas extraction, which is convenient to seal, and aims to solve the problems that the gas extraction pipeline in the current market proposed by the background technology is inconvenient to seal at a butt joint, butt joint and heat preservation. But also has poor protection effect and is inconvenient to clean the inner wall.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a gas drainage is with pipeline butt joint structure convenient to seal, includes:

the device comprises an extraction pipe serving as a supporting base of the device, wherein one end of the extraction pipe is provided with an annular groove, and the other end of the extraction pipe is fixedly connected with an annular plugboard;

place the chamber, set up on the ring channel inner wall, place the first spring of fixedly connected with on the intracavity portion bottom surface, first spring one end fixedly connected with baffle, baffle top fixedly connected with inserted bar, the inserted bar sets up in the slot, the slot is set up on annular picture peg inside wall.

Preferably, it is provided with four groups to place chamber, first spring, baffle and inserted bar and be the annular array about the center of ring channel, and the length sum of first spring, baffle and inserted bar is far greater than the inside degree of depth of placing the chamber to the length of inserted bar is greater than the inside degree of depth of slot, promotes the inserted bar through first spring and resets, inserts in the slot, will take out and adopt a pipe one end to fix and take out another group and adopt pipe one end, and then be convenient for the butt joint.

Preferably, the extraction pipe comprises:

the butt joint plate is fixedly connected to the outer side of the extraction pipe, a sliding plate is fixedly connected above the butt joint plate, the sliding plate is connected in a sliding rail in a sliding mode, the sliding rail is fixedly connected above the inner wall of a butt joint groove, and the butt joint groove is formed in the inner side wall of the first heat-preservation pipe;

the spacing cavity is arranged on one side of the butt joint plate, a bump is connected in the spacing cavity in a clamping mode, a first glass tube is fixedly connected to the outer side of the first heat-preservation tube, a supporting rod is connected to the first glass tube, a second glass tube is fixedly connected to one end of the supporting rod, a second heat-preservation tube is fixedly connected to the outer side of the second glass tube, heat can be effectively isolated through the first heat-preservation tube and the second heat-preservation tube, heat inside the extraction tube is prevented from being dissipated, and heat preservation is facilitated.

Preferably, the material of lug is rubber, and the cross sectional area of lug slightly is greater than the cross sectional area of spacing chamber, be the vacuum state between first glass pipe and the second glass pipe, the vacuum state does not have the medium of heat transfer, can improve the heat preservation effect.

Preferably, the second insulating pipe includes:

the protective tube, fixed connection be in the second insulating tube outside, the annular chamber has been seted up in the protective tube, fixedly connected with carriage on the annular chamber inner wall, the carriage internal rotation is connected with first pivot, first pivot one end is connected with the connecting rod, connecting rod one end fixedly connected with slider, the slider block is connected in annular rail, annular rail fixed connection is in the inside bottom surface of annular chamber, slider one side fixedly connected with second spring through two sets of sliders along annular rail phase displacement, tensile second spring cushions the impact force that receives, and then is convenient for improve the protecting effect.

Preferably, the first rotating shaft, the connecting rod, the sliding blocks and the second spring are symmetrically arranged in two groups about a central axis of the supporting frame, and the two groups of sliding blocks are connected through the second spring, so that when the two groups of sliding blocks slide along the annular rail, the second spring can be stretched, and impact force is converted into elastic potential energy to be stored.

Preferably, the extraction pipe further comprises:

the extraction pipe comprises an extraction pipe inner wall, a chute, a clamping block, an annular scraper, a supporting rod, an inner threaded pipe and a lead screw, wherein the extraction pipe inner wall is arranged on the extraction pipe inner wall, the clamping block is connected in the chute in a clamping mode, the annular scraper is fixedly connected to one side of the clamping block, the supporting rod is fixedly connected to the inner side wall of the annular scraper, one end of the supporting rod is fixedly connected with the inner threaded pipe, the lead screw is connected to the inner threaded pipe in a threaded mode, one end of the lead screw is rotatably connected to a hollow plate, the hollow plate is fixedly connected to the extraction pipe, the inner threaded pipe is driven through the rotary lead screw, and the annular scraper moves along the inner wall of the extraction pipe so as to be convenient to clean.

Preferably, both ends of the supporting rod are fixedly connected with the annular scraper and the internal thread pipe in a welding mode, the diameter of the annular scraper is equal to that of the inner wall of the extraction pipe, the supporting rod is prevented from being easily separated from the annular scraper or the internal thread pipe due to stress, and the structural stability is improved

Preferably, the shielding tube comprises:

lead to the groove, set up on the protecting tube lateral wall, lead to inslot fixedly connected with bearing frame, the bearing frame in-connection has the second pivot, second pivot one end fixedly connected with threaded rod, threaded connection has the push pedal on the threaded rod, fixedly connected with arc in the push pedal, the inboard fixedly connected with of arc is sealed fills up, push pedal top fixedly connected with stopper, stopper sliding connection is at the spacing inslot, the spacing groove is set up on leading to the inslot wall, promotes the arc through rotatory threaded rod and removes, makes sealed the pad arrive port butt joint department, forms complete sealing washer through two sets of sealing pads, and then is convenient for seal.

Preferably, the through groove, the bearing seat, the second rotating shaft, the threaded rod, the push plate, the arc plate and the sealing gasket are respectively provided with a group on two sides of the protection pipe, the radius of the two groups of sealing gaskets is equal to the diameter of the extraction pipe, and the sealing gasket is made of rubber, so that the sealing gasket can restore to the original state when arriving at the port, and a gap at the port is sealed.

Compared with the prior art, the invention has the beneficial effects that: this gas is taken out and is adopted pipeline butt joint structure convenient to seal, promote the inserted bar through first spring and reset, insert in the slot, it takes out a tub one end to fix and takes out another group and take out tub one end, and then the butt joint of being convenient for, can effectively isolated the heat through first insulating tube and second insulating tube, prevent simultaneously taking out and take out the inside heat of taking out and scatter and disappear, and then be convenient for keep warm, move along the annular rail through two sets of sliders, tensile second spring, the impact force that the buffering received, and then be convenient for improve protecting effect, through rotatory lead screw, drive the internal thread pipe, make the annular scraper move along taking out the inside pipe wall of taking out, and then be convenient for clear up, promote the arc through rotatory threaded rod and move, make sealed pad reach port butt joint, form complete sealing washer through two sets of sealing pads, and then be convenient for seal.

1. After the extraction pipes are butted, the second rotating shaft is rotated through the bearing seat, the threaded rod is driven to rotate by the second rotating shaft, the push plate is connected in the limiting groove in a sliding mode through the limiting block, the push plate and the threaded rod rotate in a threaded mode, when the threaded rod rotates, the push plate can move along the through groove, the arc plate is further pushed to move, when the arc plate moves to the end butt joint positions of the two groups of extraction pipes, the sealing gaskets recover to be attached to the end butt joint positions of the extraction pipes, meanwhile, the other group of sealing gaskets are pushed to the end butt joint positions of the extraction pipes, the two groups of sealing gaskets are in contact to form complete sealing rings, and then the end butt joint positions of the two groups of extraction pipes can be sealed;

2. firstly, an annular inserting plate at one end of each extraction pipe corresponds to an annular groove at one end of the other group of extraction pipes, then the annular inserting plate is inserted into the annular groove, when the annular inserting plate reaches the inserting rod and continues to move into the annular groove, the inserting rod can be extruded, the inserting rod moves towards a placing cavity through a baffle plate and extrudes a first spring, when the annular inserting plate is completely inserted into the annular groove, the inserting rod and the inserting groove are located at the same position, the first spring is not extruded any more and is rapidly restored to the original state, the inserting rods on the baffle plate are pushed to be inserted into the inserting grooves, the annular inserting plate is fixed in the annular groove through the four groups of inserting rods, and therefore two or more than two groups of extraction pipes can be conveniently butted;

3. firstly, a butt joint plate on the outer side of an extraction pipe is in one-to-one correspondence with a butt joint groove formed in the inner side wall of a first heat insulation pipe, then the first heat insulation pipe is sleeved in the extraction pipe from left to right, sliding plates on the upper side and the lower side of the butt joint plate slide into a sliding rail in the sleeving process to limit the butt joint plate, so that the butt joint plate is more stable in butt joint, the butt joint plate extrudes a lug on one side in the sliding process, when the first heat insulation pipe is completely sleeved on the extraction pipe, the position of the lug is overlapped with a limiting cavity, at the moment, the lug is restored to the original state and is clamped into the limiting cavity to fix the position of the first heat insulation pipe, the first heat insulation pipe is further installed on the extraction pipe, external heat can be effectively isolated through the first heat insulation pipe and a second heat insulation pipe, meanwhile, internal heat is prevented from dissipating, heat is further convenient to preserve heat, and a vacuum state is formed between the first glass pipe and the second glass pipe, and no medium for transferring heat exists in the vacuum state, the heat preservation effect can be further improved;

4. when the extraction pipe is impacted, the outer protective pipe can deform, when the protective pipe deforms, the supporting frame can be pushed to move, the two groups of connecting rods rotate oppositely through the two groups of first rotating shafts while the supporting frame moves, the two groups of connecting rods drive the two groups of sliding blocks to move oppositely along the annular rail while rotating, impact force is converted into friction force, a second spring between the two groups of sliding blocks is stretched simultaneously, the impact force is converted into elastic potential energy to be stored, when the second spring is stretched to a certain degree, the two groups of sliding blocks are driven to reset along the annular rail, and in the process that the sliding blocks reset along the annular rail, friction force is continuously generated, the elastic potential energy stored in the second spring is attenuated, so that the impact force is buffered, and the protective effect is improved conveniently;

5. when the gas extraction pipe needs to be cleaned, the screw rod is rotated, and the screw rod cannot drive the internal thread pipe to rotate along with the rotation of the screw rod under the action of the outer side sliding groove and the clamping block, so that the annular scraper is driven to stably slide along the sliding groove through the clamping block, the annular scraper continuously skips over the inner wall of the extraction pipe, the substances adhered to the inner wall of the extraction pipe are scraped, and the hollow plate cannot influence the work of extracting gas of the extraction pipe.

Drawings

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

FIG. 2 is a schematic view of a protective tube according to the present invention;

FIG. 3 is a schematic view of a placement chamber according to the present invention;

FIG. 4 is an enlarged view of the portion A of the present invention;

FIG. 5 is an enlarged view of the structure of part B of the present invention;

FIG. 6 is an enlarged view of the structure of the portion C of the present invention.

In the figure: 1. extracting pipes; 2. an annular groove; 3. an annular inserting plate; 4. a placement chamber; 5. a first spring; 6. a baffle plate; 7. inserting a rod; 8. a slot; 9. a butt plate; 10. a slide plate; 11. a slide rail; 12. a butt joint groove; 13. a limiting cavity; 14. a bump; 15. a first heat-insulating tube; 16. a first glass tube; 17. a strut; 18. a second glass tube; 19. a second insulating tube; 20. a protective tube; 21. an annular cavity; 22. a support frame; 24. a first rotating shaft; 25. a connecting rod; 26. a slider; 27. an annular rail; 28. a second spring; 29. a chute; 30. a clamping block; 31. an annular scraper; 32. a support bar; 33. an internally threaded tube; 34. a screw rod; 35. a hollowed-out plate; 36. a through groove; 37. a bearing seat; 38. a second rotating shaft; 39. a threaded rod; 40. pushing the plate; 41. an arc-shaped plate; 42. a gasket; 43. a limiting block; 44. a limiting groove.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a gas drainage is with pipeline butt joint structure convenient to seal, includes: the utility model provides a take out and adopt pipe 1, as the support basis of the device, ring channel 2 has been seted up to 1 one end of taking out and adopting pipe, and take out and adopt 1 other end fixedly connected with annular picture peg 3 of pipe, place chamber 4, set up on the 2 inner walls of ring channel, place the first spring of fixedly connected with 5 on the inside bottom surface in chamber 4, the 5 one end fixedly connected with baffle 6 of first spring, 6 tops fixedly connected with inserted bar 7 of baffle, inserted bar 7 sets up in slot 8, slot 8 sets up on 3 inside walls of annular picture peg.

Place chamber 4, first spring 5, baffle 6 and inserted bar 7 and be the annular array about the center of ring channel 2 and be provided with four groups, and the length sum of first spring 5, baffle 6 and inserted bar 7 is far greater than the inside degree of depth of placing chamber 4 to the length of inserted bar 7 is greater than the inside degree of depth of slot 8, promotes inserted bar 7 through first spring 5 and resets, inserts in slot 8, will take out and adopt 1 one end of pipe and fix and take out 1 one end in another group, and then be convenient for the butt joint.

The extraction pipe 1 includes: butt plate 9, fixed connection is in taking out and adopting 1 outside of managing, butt plate 9 top fixedly connected with slide 10, slide 10 sliding connection is in slide rail 11, slide rail 11 fixed connection is in butt joint 12 inner walls tops, butt joint 12 is seted up on first insulating tube 15 inside wall, spacing chamber 13, set up in butt plate 9 one side, the joint is connected with lug 14 in the spacing chamber 13, first insulating tube 15 outside fixedly connected with first glass pipe 16, be connected with branch 17 on the first glass pipe 16, branch 17 one end fixedly connected with second glass pipe 18, second glass pipe 18 outside fixedly connected with second insulating tube 19. The material of lug 14 is rubber, and the cross sectional area of lug 14 slightly is greater than the cross sectional area of spacing chamber 13, is the vacuum state between first glass pipe 16 and the second glass pipe 18, and the vacuum state does not have the medium of heat transfer, can improve the heat preservation effect. The heat can be effectively isolated through the first heat-insulating pipe 15 and the second heat-insulating pipe 19, and meanwhile, the heat inside the extraction pipe 1 is prevented from being dissipated, so that heat preservation is facilitated.

The second insulating pipe 19 includes: protective tube 20, fixed connection is in the 19 outsides of second insulating tube, seted up annular chamber 21 in the protective tube 20, fixedly connected with carriage 22 on the 21 inner walls of annular chamber, the carriage 22 internal rotation is connected with first pivot 24, first pivot 24 one end is connected with connecting rod 25, connecting rod 25 one end fixedly connected with slider 26, slider 26 block is connected in annular rail 27, annular rail 27 fixed connection is in the inside bottom surface of annular chamber 21, slider 26 one side fixedly connected with second spring 28. Two sets of the first rotating shaft 24, the connecting rod 25, the sliding blocks 26 and the second springs 28 are symmetrically arranged about the central axis of the supporting frame 22, and the two sets of the sliding blocks 26 are connected through the second springs 28, so that when the two sets of the sliding blocks 26 slide along the annular rail 27, the second springs 28 can be stretched, and impact force can be converted into elastic potential energy to be stored. The two sets of sliding blocks 26 move towards each other along the annular rail 27, so that the second spring 28 is stretched, the impact force applied to the sliding blocks is buffered, and the protection effect is further improved.

The extraction pipe 1 further comprises: the chute 29 is arranged on the inner side wall of the extraction pipe 1, the chute 29 is internally connected with a fixture block 30 in a clamping manner, one side of the fixture block 30 is fixedly connected with an annular scraper 31, a support rod 32 is fixedly connected to the inner side wall of the annular scraper 31, one end of the support rod 32 is fixedly connected with an internal thread pipe 33, the internal thread pipe 33 is internally connected with a lead screw 34, one end of the lead screw 34 is rotatably connected to a hollow plate 35, and the hollow plate 35 is fixedly connected to the extraction pipe 1. The two ends of the supporting rod 32 are fixedly connected with the annular scraper 31 and the internal threaded pipe 33 in a welding mode, the diameter of the annular scraper 31 is equal to the diameter of the inner wall of the extraction pipe 1, the supporting rod 32 is prevented from being easily separated from the annular scraper 31 or the internal threaded pipe 33 due to stress, and structural stability is improved. The screw rod 34 is rotated to drive the internal threaded pipe 33, so that the annular scraper 31 moves along the inner wall of the extraction pipe 1, and the cleaning is further facilitated.

The protection tube 20 includes: lead to groove 36, set up on the protective tube 20 lateral wall, fixedly connected with bearing frame 37 leads to the inslot of groove 36, be connected with second pivot 38 in the bearing frame 37, second pivot 38 one end fixedly connected with threaded rod 39, threaded connection has push pedal 40 on the threaded rod 39, fixedly connected with arc 41 on the push pedal 40, the sealed pad 42 of the inboard fixedly connected with of arc 41, push pedal 40 top fixedly connected with stopper 43, stopper 43 sliding connection is in spacing groove 44, spacing groove 44 sets up on leading to the 36 inner walls of groove. The through groove 36, the bearing seat 37, the second rotating shaft 38, the threaded rod 39, the push plate 40, the arc-shaped plate 41 and the sealing gasket 42 are respectively provided with one group at two sides of the protection pipe 20, the radius of the two groups of sealing gaskets 42 is equal to the diameter of the extraction pipe 1, and the sealing gaskets 42 are made of rubber, so that when the sealing gaskets 42 reach the port, the sealing gaskets can restore to the original state, and gaps at the port are sealed. The arc-shaped plate 41 is pushed to move by rotating the threaded rod 39, so that the sealing gaskets 42 reach the port butt joint part, and complete sealing rings are formed by the two groups of sealing gaskets 42, thereby facilitating sealing.

The working principle is as follows: as shown in fig. 1-6, when the pipeline butt joint structure for gas extraction convenient to seal is used, the device is simply known, firstly, the butt joint plate 9 on the outer side of the extraction pipe 1 corresponds to the butt joint groove 12 formed on the inner side wall of the first heat preservation pipe 15 one by one, then the first heat preservation pipe 15 is sleeved in the extraction pipe 1 from left to right, in the sleeving process, the sliding plates 10 on the upper side and the lower side of the butt joint plate 9 slide into the sliding rails 11 to limit the butt joint plate 9, so that the butt joint plate 9 is more stable in butt joint, in the sliding process, the butt joint plate 9 extrudes the lug 14 on one side, when the first heat preservation pipe 15 is completely sleeved on the extraction pipe 1, the position of the lug 14 is overlapped with the limiting cavity 13, at this time, the lug 14 is restored to be clamped into the limiting cavity 13, the position of the first heat preservation pipe 15 is fixed, and then the first heat preservation pipe 15 is installed on the extraction pipe 1, and external heat can be effectively isolated through the first heat preservation pipe 15 and the second heat preservation pipe 19, meanwhile, the heat dissipation inside the glass tube is prevented, the heat preservation is convenient, the first glass tube 16 and the second glass tube 18 are in a vacuum state, no heat transfer medium exists in the vacuum state, the heat preservation effect can be further improved, secondly, the annular inserting plate 3 at one end of the extraction tube 1 corresponds to the annular groove 2 at one end of the other extraction tube 1, then the annular inserting plate 3 is inserted into the annular groove 2, when the annular inserting plate 3 reaches the inserting rod 7 and continues to move into the annular groove 2, the inserting rod 7 can be extruded, the inserting rod 7 moves into the placing cavity 4 through the baffle 6 and extrudes the first spring 5, when the annular inserting plate 3 is completely inserted into the annular groove 2, the inserting rod 7 and the inserting groove 8 are located at the same position, the first spring 5 is not extruded any more, the original state is rapidly recovered, the inserting rod 7 on the baffle 6 is pushed to be inserted into the inserting groove 8, the annular inserting plate 3 is fixed in the annular groove 2 through the four groups of inserting rods 7, therefore, two or more groups of extraction pipes 1 are convenient to butt, then, after the butt joint of the extraction pipes 1 is completed, the second rotating shaft 38 is rotated through the bearing seat 37, the second rotating shaft 38 drives the threaded rod 39 to rotate, because the push plate 40 is slidably connected in the limiting groove 44 through the limiting block 43, and the push plate 40 and the threaded rod 39 rotate in a threaded manner, when the threaded rod 39 rotates, the push plate 40 can move along the through groove 36, so as to push the arc plate 41 to move, when the arc plate 41 moves to the butt joint of the end parts of the two groups of extraction pipes 1, the sealing gasket 42 is restored to the original state and is attached to the butt joint of the end parts of the extraction pipes 1, and meanwhile, the other group of sealing gasket 42 is pushed to the butt joint of the end parts of the extraction pipes 1, at the moment, the two groups of sealing gaskets 42 are in contact, so as to form a complete sealing ring, the butt joint of the end parts of the two groups of extraction pipes 1 can be sealed, and then, when the extraction pipes 1 are impacted, the external protection pipe 20 can deform, when the protective tube 20 deforms, the supporting frame 22 is pushed to move, while the supporting frame 22 moves, the two groups of connecting rods 25 rotate oppositely through the two groups of first rotating shafts 24, while the two groups of connecting rods 25 rotate, the two groups of sliding blocks 26 are driven to move oppositely along the annular rail 27, impact force is converted into friction force, meanwhile, the second spring 28 between the two groups of sliding blocks 26 is stretched, the impact force is converted into elastic potential energy to be stored, when the second spring 28 is stretched to a certain degree, the two groups of sliding blocks 26 are driven to reset along the annular rail 27, and in the process that the sliding blocks 26 reset along the annular rail 27, friction force is generated, the elastic potential energy stored in the second spring 28 is attenuated, and then the impact force is buffered continuously, so that the protective effect is improved, finally, when cleaning is needed, the screw rod 34 and the screw rod 34 rotate, due to the effect of the outer sliding grooves 29 and the fixture blocks 30, the inner threaded tube 33 cannot be driven to rotate along with the rotation of the self, therefore, the annular scraper 31 is driven to stably slide along the sliding groove 29 through the fixture block 30, so that the annular scraper 31 continuously skips over the inner wall of the extraction pipe 1, and then materials adhered to the inner wall of the extraction pipe 1 are scraped off, and the hollowed-out plate 35 does not influence the work of the extraction pipe 1 for extracting gas, and the content which is not described in detail in the description belongs to the prior art which is known by professionals in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a gas drainage is with pipeline butt joint structure convenient to seal which characterized in that includes:

the device comprises an extraction pipe (1), wherein one end of the extraction pipe (1) is provided with an annular groove (2), and the other end of the extraction pipe (1) is fixedly connected with an annular inserting plate (3);

place chamber (4), set up on ring channel (2) inner wall, place the first spring of fixedly connected with (5) on the inside bottom surface in chamber (4), first spring (5) one end fixedly connected with baffle (6), baffle (6) top fixedly connected with inserted bar (7), inserted bar (7) set up in slot (8), slot (8) are set up on ring insert board (3) inside wall.

2. The pipeline butt joint structure convenient to seal for gas extraction according to claim 1, characterized in that: place chamber (4), first spring (5), baffle (6) and inserted bar (7) and be the annular array about the center of ring channel (2) and be provided with four groups, and the sum of the length of first spring (5), baffle (6) and inserted bar (7) is far greater than the inside degree of depth of placing chamber (4) to the length of inserted bar (7) is greater than the inside degree of depth of slot (8).

3. The pipeline butt joint structure convenient to seal for gas extraction according to claim 1, characterized in that: the extraction pipe (1) comprises:

the butt joint plate (9) is fixedly connected to the outer side of the extraction pipe (1), a sliding plate (10) is fixedly connected to the upper portion of the butt joint plate (9), the sliding plate (10) is connected in a sliding rail (11) in a sliding mode, the sliding rail (11) is fixedly connected to the upper portion of the inner wall of a butt joint groove (12), and the butt joint groove (12) is formed in the inner side wall of a first heat preservation pipe (15);

spacing chamber (13) is seted up butt joint plate (9) one side, the joint is connected with lug (14) in spacing chamber (13), first insulating tube (15) outside fixedly connected with glass pipe (16), be connected with branch (17) on the glass pipe (16), branch (17) one end fixedly connected with second glass pipe (18), second glass pipe (18) outside fixedly connected with second insulating tube (19).

4. The pipeline butt joint structure convenient to seal for gas extraction according to claim 3, characterized in that: the bump (14) is made of rubber, the cross section area of the bump (14) is slightly larger than that of the limiting cavity (13), and a vacuum state is formed between the first glass tube (16) and the second glass tube (18).

5. The pipeline butt joint structure convenient to seal for gas extraction according to claim 3, characterized in that: the second insulating tube (19) comprises:

protective tube (20), fixed connection are in the second insulating tube (19) outside, annular chamber (21) have been seted up in protective tube (20), fixedly connected with carriage (22) on annular chamber (21) inner wall, carriage (22) internal rotation is connected with first pivot (24), first pivot (24) one end is connected with connecting rod (25), connecting rod (25) one end fixedly connected with slider (26), slider (26) block is connected in annular rail (27), annular rail (27) fixed connection is in the inside bottom surface of annular chamber (21), slider (26) one side fixedly connected with second spring (28).

6. The pipeline butt joint structure convenient to seal for gas extraction according to claim 5, characterized in that: the first rotating shaft (24), the connecting rod (25), the sliding blocks (26) and the second spring (28) are symmetrically arranged in two groups around the central axis of the supporting frame (22), and the two groups of sliding blocks (26) are connected through the second spring (28).

7. The pipeline butt joint structure convenient to seal for gas extraction according to claim 1, characterized in that: the extraction pipe (1) further comprises:

the utility model provides a drainage pipe, including spout (29), set up on drainage pipe (1) inside wall, snap joint is connected with fixture block (30) in spout (29), fixture block (30) one side fixedly connected with annular scraper (31), fixedly connected with bracing piece (32) on annular scraper (31) inside wall, bracing piece (32) one end fixedly connected with internal thread pipe (33), internal thread pipe (33) internal thread connection has lead screw (34), lead screw (34) one end is rotated and is connected on fretwork board (35), fretwork board (35) fixed connection is in drainage pipe (1).

8. The pipeline butt joint structure convenient to seal for gas extraction according to claim 7, characterized in that: the two ends of the supporting rod (32) are fixedly connected with the annular scraper (31) and the internal threaded pipe (33) in a welding mode, and the diameter of the annular scraper (31) is equal to that of the inner wall of the extraction pipe (1).

9. The pipeline butt joint structure convenient to seal for gas extraction according to claim 5, characterized in that: the shielding tube (20) comprises:

lead to groove (36), set up on protective tube (20) lateral wall, fixedly connected with bearing frame (37) in leading to groove (36), bearing frame (37) in-connection has second pivot (38), second pivot (38) one end fixedly connected with threaded rod (39), threaded connection has push pedal (40) on threaded rod (39), fixedly connected with arc (41) on push pedal (40), the sealed pad (42) of inboard fixedly connected with of arc (41), push pedal (40) top fixedly connected with stopper (43), stopper (43) sliding connection is in spacing groove (44), spacing groove (44) are set up on leading to groove (36) inner wall.

10. The pipeline butt joint structure convenient to seal for gas extraction according to claim 9, characterized in that: the two sides of the protection pipe (20) are respectively provided with a group of through grooves (36), a bearing seat (37), a second rotating shaft (38), a threaded rod (39), a push plate (40), an arc-shaped plate (41) and a sealing gasket (42), the radius of the two groups of sealing gaskets (42) is equal to the diameter of the extraction pipe (1), and the sealing gaskets (42) are made of rubber.