CN114198646A - 3D prints protection gas device with gas transmission pipeline from taking leak protection structure - Google Patents
3D prints protection gas device with gas transmission pipeline from taking leak protection structure Download PDFInfo
- Publication number
- CN114198646A CN114198646A CN202111580144.5A CN202111580144A CN114198646A CN 114198646 A CN114198646 A CN 114198646A CN 202111580144 A CN202111580144 A CN 202111580144A CN 114198646 A CN114198646 A CN 114198646A
- Authority
- CN
- China
- Prior art keywords
- connector
- sealing
- groove
- connecting head
- seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/167—Flanged joints characterised by the sealing means in connection with the appearance or detection of leaks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Pipe Accessories (AREA)
Abstract
The invention provides a gas transmission pipeline with a leakage-proof structure for a 3D printing protective gas device, which belongs to the technical field of gas transmission pipelines for protective gas devices for 3D printers and comprises a steel pipe, wherein a first connecting head is welded at one end of the steel pipe, a second connecting head is welded at the other end of the steel pipe, the first connecting head and the second connecting head are locked through a connecting piece, a first sealing ring is arranged in a groove at the edge of the second connecting head, and a liquid seal structure, a first sealing structure, a second sealing structure and an inner sealing structure are sequentially arranged between the first connecting head and the second connecting head from inside to outside. The invention solves the problems that the connection of steel pipes in the gas protection device in the prior art generally adopts a plug-in connection or a locking female connection mode, and the traditional connection mode still has the possibility of air leakage phenomenon and can not ensure the complete sealing of the connection position.
Description
The technical field is as follows:
the invention belongs to the technical field of gas transmission pipelines for shielding gas devices for 3D printers, and particularly relates to a gas transmission pipeline with a leakage-proof structure for a 3D printing shielding gas device.
Background art:
3D printing, which is one of the rapid prototyping technologies, is also called additive manufacturing, which is a technology for constructing an object by using an adhesive material such as powdered metal or plastic and the like, and by printing layer by layer, based on a digital model file. The 3D printing is usually implemented by a digital technology material printer, and is often used for manufacturing models in the fields of mold manufacturing, industrial design, and the like, and then gradually used for direct manufacturing of some products, and there are already parts printed by using this technology. The protective gas system is an important component of SLM (selective laser melting) molding in the 3D printing technology, and a protective gas device used as the protective gas system comprises a gas cylinder, an argon gas reducing valve, a steel pipe and the like.
The connection of steel pipes in the protective gas device in the prior art generally adopts a mode of inserting connection or locking female connection, and the phenomenon of air leakage can still occur after the connection of the traditional connection mode, so that the complete sealing of the connection part can not be ensured.
The invention content is as follows:
the invention provides a gas transmission pipeline with a leakage-proof structure for a 3D printing protective gas device, and aims to solve the problems that in the prior art, a steel pipe in the protective gas device is generally connected in a plugging or locking female connection mode, and the traditional connection mode still has the possibility of gas leakage phenomenon and cannot ensure the complete sealing of the connection position.
The embodiment of the invention provides a gas transmission pipeline with a leakage-proof structure for a 3D printing protective gas device, which comprises a steel pipe, wherein a first connecting head is welded at one end of the steel pipe, a second connecting head is welded at the other end of the steel pipe, the first connecting head and the second connecting head are locked through a connecting piece, a first sealing ring is arranged in a groove in the edge of the second connecting head, and a liquid seal structure, a first sealing structure, a second sealing structure and an inner sealing structure are sequentially arranged between the first connecting head and the second connecting head from inside to outside.
By adopting the technical scheme, the joint of the first connector and the second connector on the steel pipe is sealed by the inner sealing structure, meanwhile, the sealing performance of the joint of the first connector and the second connector on the steel pipe is enhanced by the airbag expansion mode, the sealing performance of the joint of the first connector and the second connector on the steel pipe can be enhanced again by the first sealing structure, the third enhancement is realized by the liquid sealing mode on the joint of the first connector and the second connector on the steel pipe, the complete sealing of the joint of the gas transmission pipeline is realized, meanwhile, whether the gas leakage occurs at the joint can be judged by the change of the liquid level inside the joint of the gas transmission pipeline, and the detection of a worker on the joint of the gas transmission pipeline is facilitated.
Furthermore, the edge of the first connecting head is concave inwards towards the second connecting head, the second connecting head is clamped in the first connecting head, and the surface of the first sealing ring at the edge of the second connecting head is attached to the inner circumferential surface of the second connecting head.
Through adopting above-mentioned technical scheme, through the inside of connector two block at connector one the installation of connector one and connector two of being convenient for, can guarantee through sealing washer one simultaneously to connect one and hug closely with the edge of connector two junction, prevent the liquid outflow in the liquid seal structure, ensure the normal of liquid seal structure function.
Furthermore, the connecting piece is annular evenly distributed, the connecting piece includes lead screw, annular silk mouthful pipe and down tube, and the lead screw is fixed on the internal face of connector one, the through-hole silk that connector two was passed to one end of lead screw connects with annular silk mouthful pipe, mirror image fixedly connected with a pair of down tube on the limit wall of annular silk mouthful pipe.
Through adopting above-mentioned technical scheme, drive annular silk mouthful pipe through rotatory down tube and rotate for the lead screw stretches into in the annular silk mouthful pipe, and annular silk mouthful pipe compresses tightly connector two in connector one, and then realizes the quick locking of connector one and connector two.
Further, the liquid seal structure includes sealed passageway one, sealed passageway two, oil tank, connecting channel, advances oil pipe, valve one and liquid level display structure, sealed passageway one is seted up on the outer peripheral face of connector one, sealed passageway two is seted up on the inner peripheral face of connector two, sealed passageway one constitutes a sealed passageway with sealed passageway two, the outer peripheral face at connector one is fixed to the oil tank, the oil tank adopts the transparent plastic material, it has liquid to annotate in the oil tank, the oil tank communicates through connecting channel each other with sealed passageway, the middle part of oil tank avris is communicated and is advanced oil pipe, advance to install valve one on the oil pipe, be provided with the liquid level display structure in the oil tank.
Through adopting above-mentioned technical scheme, advance oil pipe and pour into liquid into the oil tank in, the change of liquid level is followed to the floating plate, and liquid not only can carry out the liquid seal to the junction, can also be used for showing the change of liquid level, judges whether gas leakage is gone out to the junction through the change of liquid level in the oil tank to be convenient for the staff to the inspection of junction.
Further, liquid level display structure includes and floats board, sealing washer two, the rubber lantern ring, activity post and mark line, it establishes in the oil tank to float the board, it is located the liquid level of liquid in the oil tank to float the board, the avris fixedly connected with sealing washer two of floating the board, sealing washer two pastes with the internal face of oil tank mutually, the oral area of oil tank upper end is provided with the rubber lantern ring, the activity post is installed to the up end of floating the board, the rubber lantern ring is passed on the activity top of activity post, activity post and rubber lantern ring sliding connection, the surface at activity post middle part is provided with the mark line.
Through adopting above-mentioned technical scheme, the unsteady area of floating plate goes up and down with the activity post, and the change of the liquid level in the observation oil tank that can understand through the change of the mark line position on activity post surface changes, and then knows whether the junction leaks gas.
Further, seal structure one includes seal groove one and annular seal piece, seal groove one is seted up on the internal face of connector one, seal groove one is provided with two, annular seal piece is fixed on the internal face of connector two, annular seal piece is provided with two, annular seal piece and the mutual adaptation of seal groove one.
Through adopting above-mentioned technical scheme, annular seal block has strengthened the leakproofness of connector one and connector two junctions on the steel pipe in seal groove one.
Further, seal structure two includes expansion tank one, expansion tank two, inflation gasbag, intake pipe and valve two, expansion tank one is seted up on the internal face of connector one, expansion tank two is seted up on the internal face of connector two, expansion tank one constitutes an expansion tank with expansion tank two, be provided with the inflation gasbag in the expansion tank, the avris switch-on of inflation gasbag has the intake pipe, the one end that the inflation gasbag was kept away from to the intake pipe extends to the outside fixedly connected with valve two of connector one.
Through adopting above-mentioned technical scheme, aerify toward the inflation gasbag through the intake pipe for the inflation gasbag inflation, inflation gasbag fill inflation groove one completely and inflation groove two, when the junction gas leakage, the protection gas can make the inflation gasbag towards the outside compression, and then makes inseparabler of inflation gasbag and junction laminating, utilizes the inflation gasbag to realize the reinforcing to the junction leakproofness.
Further, the inner sealing structure comprises a second sealing groove, a third sealing groove and a third sealing ring, the second sealing groove is formed in the inner wall surface of the first connecting head, the third sealing groove is formed in the inner wall surface of the second connecting head, the second sealing groove and the third sealing groove form a sealing groove, and the third sealing ring is clamped in the sealing groove.
By adopting the technical scheme, the sealing ring III is clamped in the sealing groove II and the sealing groove III to realize initial sealing of the joint of the steel pipe.
The invention has the beneficial effects that:
1. in the invention, the joint of the first connector and the second connector on the steel pipe is sealed by using the inner sealing structure, meanwhile, the expansion airbag is inflated by adding the second sealing structure through the air inlet pipe, so that the expansion airbag is expanded, the expansion airbag completely fills the first expansion groove and the second expansion groove, when the joint leaks air, the expansion airbag is compressed towards the outer side by using protective gas, and further the joint of the expansion airbag and the joint is more tightly attached, the sealing performance of the joint is enhanced by using the expansion airbag, the sealing performance of the joint at the joint of the first connector and the second connector on the steel pipe can be enhanced again by using the first sealing structure, and through the arrangement of the liquid sealing structure, liquid is injected into the oil tank by using the oil inlet pipe on the liquid sealing structure, the marking line on the surface of the movable column on the floating plate is changed along with the change of the liquid level, and the liquid can not only carry out liquid sealing on the joint, the gas transmission pipeline can also be used for displaying the change of the liquid level, and whether the joint leaks gas or not is judged through the change of the liquid level in the oil tank, so that the joint can be conveniently checked by workers, and the joint of the gas transmission pipeline is completely sealed.
2. According to the invention, through the arrangement of the connecting piece, the inclined rod on the rotary connecting piece drives the annular screw orifice pipe to rotate, so that the screw rod extends into the annular screw orifice pipe, the annular screw orifice pipe tightly presses the connecting head II in the connecting head I, and the quick locking of the connecting head I and the connecting head II is realized, and the disassembly and assembly of the joint of the steel pipe are facilitated.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Description of the drawings:
the accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic main sectional view of an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of a portion a of FIG. 2 according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the embodiment of the present invention at b in FIG. 2;
FIG. 5 is an enlarged schematic view of the embodiment of the present invention at c in FIG. 2;
reference numerals: 1. a steel pipe; 2. a first connecting head; 3. a second connector; 4. a connecting member; 5. a first sealing ring; 6. a liquid seal structure; 7. a first sealing structure; 8. a second sealing structure; 9. an inner sealing structure; 41. a lead screw; 42. an annular screw pipe; 43. a diagonal bar; 61. sealing the first channel; 62. sealing the second channel; 63. an oil tank; 64. a connecting channel; 65. an oil inlet pipe; 66. a first valve; 67. a liquid level display structure; 671. a floating plate; 672. a second sealing ring; 673. a rubber collar; 674. a movable post; 675. marking a line; 71. a first sealing groove; 72. an annular seal block; 81. a first expansion tank; 82. a second expansion tank; 83. inflating the balloon; 84. an air inlet pipe; 85. a second valve; 91. a second sealing groove; 92. a third sealing groove; 93. and a third sealing ring.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specific embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Referring to fig. 1 and 2, an embodiment of the present invention provides a gas transmission pipeline with a leakage-proof structure for a 3D printing shielding gas device, including a steel pipe 1, a first connector 2 welded to one end of the steel pipe 1, a second connector 3 welded to the other end of the steel pipe 1, the first connector 2 and the second connector 3 being locked by a connector 4, the connector 4 being uniformly distributed in an annular shape, the connector 4 including a screw 41, an annular screw pipe 42 and an inclined rod 43, the screw 41 being fixed to an inner wall surface of the first connector 2, one end of the screw 41 passing through a through-hole of the second connector 3 and being connected to the annular screw pipe 42, a pair of inclined rods 43 being fixedly connected to a side wall of the annular screw pipe 42 in a mirror image manner, the annular screw pipe 42 being driven by rotating the inclined rods 43 to rotate the annular screw pipe 42, so that the screw 41 extends into the annular screw pipe 42, the annular screw pipe 42 tightly presses the second connector 3 into the first connector 2, thereby achieving fast locking of the first connector 2 and the second connector 3, be provided with sealing washer one 5 in the edge groove of connector two 3, the edge of connector one 2 is towards connector two 3 indent, connector two 3 blocks are in connector one 2, the surface of the sealing washer one 5 at connector two 3 edges pastes with the inner peripheral surface of connector two 3 mutually, be convenient for the installation of connector one 2 and connector two 3 through connector two 3 blocks in the inside of connector one 2, can guarantee through sealing washer one 5 simultaneously that the edge of connector one 2 and connector two 3 junction is hugged closely, prevent the liquid outflow in the liquid seal structure 6, ensure the normal of 6 functions of liquid seal structure.
Referring to fig. 1, 2, 3, 4 and 5, a liquid seal structure 6, a seal structure one 7, a seal structure two 8 and an inner seal structure 9 are sequentially arranged between a first connector 2 and a second connector 3 from inside to outside, the liquid seal structure 6 comprises a first seal channel 61, a second seal channel 62, an oil tank 63, a connection channel 64, an oil inlet pipe 65, a first valve 66 and a liquid level display structure 67, the first seal channel 61 is arranged on the outer peripheral surface of the first connector 2, the second seal channel 62 is arranged on the inner peripheral surface of the second connector 3, the first seal channel 61 and the second seal channel 62 form a seal channel, the oil tank 63 is fixed on the outer peripheral surface of the first connector 2, the oil tank 63 is made of transparent plastic material, liquid is filled in the oil tank 63, the oil tank 63 and the seal channel are mutually communicated through the connection channel 64, the oil inlet pipe 65 is communicated with the middle part of the side of the oil tank 63, the first valve 66 is installed on the oil inlet pipe 65, the liquid level display structure 67 is arranged in the oil tank 63, the oil inlet pipe 65 injects liquid into the oil tank 63, the floating plate 671 changes along with the change of the liquid level, the liquid can not only carry out liquid sealing on the joint, but also can be used for displaying the change of the liquid level, whether the joint leaks air or not is judged through the change of the liquid level in the oil tank 63 so as to be convenient for the detection of the joint by workers, the liquid level display structure 67 comprises a floating plate 671, a second sealing ring 672, a rubber lantern ring 673, a movable column 674 and a marking line 675, the floating plate 671 is arranged in the oil tank 63, the floating plate 671 is positioned on the liquid level of the liquid in the oil tank 63, the second sealing ring 672 is fixedly connected to the lateral side of the floating plate 671, the second sealing ring 672 is attached to the inner wall surface of the oil tank 63, the rubber lantern ring 673 is arranged at the opening at the upper end surface of the oil tank 63, the movable column 674 passes through the rubber lantern ring 673, the movable column 674 is connected with the rubber lantern ring 673 in a sliding manner, the surface of the middle part of the movable column 674 is provided with a mark line 675, the floating of the floating plate 671 drives the movable column 674 to ascend and descend, the liquid level change in the oil tank 63 can be clearly observed through the change of the position of the mark line 675 on the surface of the movable column 674, and further whether air leakage occurs at the joint can be known, the sealing structure I7 comprises a sealing groove I71 and an annular sealing block 72, the sealing groove I71 is arranged on the inner wall surface of a connecting head I2, the number of the sealing grooves I71 is two, the annular sealing block 72 is fixed on the inner wall surface of a connecting head II 3, the number of the annular sealing block 72 is two, the annular sealing block 72 is matched with the sealing groove I71, the annular sealing block 72 is clamped in the sealing groove I71, the sealing performance of the joint of the connecting head I2 and the connecting head II 3 on the steel pipe 1 is enhanced, the sealing structure II 8 comprises an expansion groove I81, an expansion groove II 82, an expansion air bag 83, an air inlet pipe 84 and a valve II 85, the first expansion groove 81 is formed in the inner wall surface of the first connecting head 2, the second expansion groove 82 is formed in the inner wall surface of the second connecting head 3, the first expansion groove 81 and the second expansion groove 82 form an expansion groove, the expansion airbag 83 is arranged in the expansion groove, the side of the expansion airbag 83 is communicated with the air inlet pipe 84, one end, far away from the expansion airbag 83, of the air inlet pipe 84 extends to the outer side of the first connecting head 2 and is fixedly connected with a second valve 85, the expansion airbag 83 is inflated through the air inlet pipe 84, the expansion airbag 83 expands, the first expansion groove 81 and the second expansion groove 82 are completely filled with the expansion airbag 83, when air leaks at the joint, the protection gas enables the expansion airbag 83 to be compressed towards the outer side, the joint of the expansion airbag 83 and the joint is enabled to be more tightly attached, the sealing performance of the joint is enhanced through the expansion airbag 83, the inner sealing structure 9 comprises a sealing groove two 91, a sealing groove three 92 and a sealing ring three sealing groove 93, the second sealing groove 91 is formed in the inner wall surface of the first connecting head 2, the third sealing groove 92 is formed in the inner wall surface of the second connecting head 3, the second sealing groove 91 and the third sealing groove 92 form a sealing groove, the third sealing ring 93 is clamped in the sealing groove, and the third sealing ring 93 is clamped in the second sealing groove 91 and the third sealing groove 92 to achieve initial sealing of the joint of the steel pipe 1.
The implementation mode is specifically as follows: when the quick locking device is used, the sealing ring III 93 is sleeved in the sealing groove II 91, the screw rod 41 on the connecting head I2 is aligned with the through hole on the connecting head II 3, the connecting head II 3 extends into the connecting head I2, the screw rod 41 penetrates through the through hole, the rotary inclined rod 43 drives the annular screw orifice pipe 42 to rotate, so that the screw rod 41 extends into the annular screw orifice pipe 42, the annular screw orifice pipe 42 presses the connecting head II 3 in the connecting head I2, the quick locking of the connecting head I2 and the connecting head II 3 is further realized, the sealing ring III 93 is tightly attached to the sealing groove II 91 and the sealing groove III 92, the annular sealing block 72 is correspondingly clamped in the sealing groove I71, the initial sealing of the joint of the steel pipe 1 is realized through the sealing ring III 93, the sealing performance of the joint of the steel pipe 1 is enhanced through the annular sealing block 72 and the sealing groove I71, the valve II 85 is opened, the expansion air bag 83 is inflated through the air inlet pipe 84, so that the expansion air bag 83 is expanded, the expansion air bag 83 is completely filled with the first expansion groove 81 and the second expansion groove 82, the sealing performance of the joint of the steel pipe 1 is enhanced by the expansion air bag 83, the movable column 674 is pulled up, the lower part of a marked line 675 on the surface of the movable column 674 is overlapped with the upper surface of the rubber lantern ring 673, the first valve 66 is opened, the oil inlet pipe 65 injects liquid into the oil tank 63, the liquid can be non-volatile liquid such as lubricating oil, the liquid injection is stopped when the liquid is injected to be overlapped with the lower surface of the floating plate 671, when the joint of the steel pipe 1 leaks air, protective air flows out from gaps among the sealing groove two 91, the sealing groove three 92 and the sealing ring three 93 and enters the first expansion groove 81 and the second expansion groove 82, the protective air makes the expansion air bag 83 compressed towards the outer side, the expansion air bag 83 is attached to the joint more tightly, and the sealing performance of the joint is enhanced by the expansion air bag 83, when the protective gas leaks too much, the protective gas extrudes the expansion air bag 83 and enters the first sealing groove 71, when the protective gas breaks the first sealing groove 71 and the seal of the annular sealing block 72 and enters the first sealing channel 61 and the second sealing channel 62, the protective gas enables the liquid level in the oil tank 63 to rise or fall, the floating plate 671 floats to drive the movable column 674 to rise and fall, the change of the liquid level in the oil tank 63 can be clearly observed through the change of the position of the mark line 675 on the surface of the movable column 674, and an inspector can accurately judge the gas leakage at the joint of the steel pipe 1 through the position of the mark line 675 and then timely maintain the gas transmission pipeline.
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 invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a 3D prints protection gas device with gas transmission pipeline from area leak protection structure, includes steel pipe (1), its characterized in that, one end welding of steel pipe (1) has connector one (2), another welding of steel pipe (1) has connector two (3), connector one (2) and connector two (3) are locked through connecting piece (4), be provided with sealing washer one (5) in the edge recess of connector two (3), from interior to exterior has set gradually liquid seal structure (6), seal structure one (7), seal structure two (8) and interior seal structure (9) between connector one (2) and connector two (3).
2. The gas transmission pipeline with the leakage-proof structure for the 3D printing shielding gas device according to claim 1, wherein the edge of the first connector (2) is concave towards the second connector (3), the second connector (3) is clamped in the first connector (2), and the surface of the first sealing ring (5) at the edge of the second connector (3) is attached to the inner circumferential surface of the second connector (3).
3. The gas transmission pipeline with the leakage-proof structure for the 3D printing shielding gas device is characterized in that the connecting pieces (4) are uniformly distributed in an annular shape, each connecting piece (4) comprises a lead screw (41), an annular screw hole pipe (42) and an inclined rod (43), the lead screws (41) are fixed on the inner wall surface of the first connecting head (2), one end of each lead screw (41) penetrates through a through hole of the second connecting head (3) and is connected with the annular screw hole pipe (42), and a pair of inclined rods (43) are fixedly connected to the side wall of the annular screw hole pipe (42) in a mirror image mode.
4. The gas transmission pipeline with the leakage-proof structure for the 3D printing shielding gas device according to claim 1, wherein the liquid seal structure (6) comprises a first seal channel (61), a second seal channel (62), a fuel tank (63), a connecting channel (64), a fuel inlet pipe (65), a first valve (66) and a liquid level display structure (67), the first seal channel (61) is arranged on the outer circumferential surface of the first connector (2), the second seal channel (62) is arranged on the inner circumferential surface of the second connector (3), the first seal channel (61) and the second seal channel (62) form a seal channel, the fuel tank (63) is fixed on the outer circumferential surface of the first connector (2), the fuel tank (63) is made of transparent plastic, liquid is filled in the fuel tank (63), and the fuel tank (63) and the seal channel are communicated with each other through the connecting channel (64), the middle part of oil tank (63) avris is switched on and is had into oil pipe (65), it installs valve one (66) on oil pipe (65) to advance, be provided with liquid level display structure (67) in oil tank (63).
5. The gas transmission pipeline with the leakage-proof structure for the 3D printing shielding gas device according to claim 4, wherein the liquid level display structure (67) comprises a floating plate (671), a second sealing ring (672), a rubber collar (673), a movable column (674) and a marking line (675), the floating plate (671) is arranged in a fuel tank (63), the floating plate (671) is located on the liquid level of liquid in the fuel tank (63), the second sealing ring (672) is fixedly connected to the lateral side of the floating plate (671), the second sealing ring (672) is attached to the inner wall surface of the fuel tank (63), the rubber collar (673) is arranged at the mouth of the upper end of the fuel tank (63), the movable column (674) is installed on the upper end surface of the floating plate (671), the movable top end of the movable column (674) penetrates through the rubber collar (673), and the movable column (674) is connected with the rubber collar (673) in a sliding manner, the surface of the middle part of the movable column (674) is provided with a marking line (675).
6. The gas transmission pipeline with the leakage-proof structure for the 3D printing shielding gas device according to claim 1, wherein the first sealing structure (7) comprises a first sealing groove (71) and a first annular sealing block (72), the first sealing groove (71) is formed in the inner wall surface of the first connector (2), the number of the first sealing groove (71) is two, the first annular sealing block (72) is fixed on the inner wall surface of the second connector (3), the number of the second annular sealing block (72) is two, and the first annular sealing block (72) and the first sealing groove (71) are matched with each other.
7. The 3D printing protection gas device is with gas transmission pipeline from taking leak protection structure according to claim 1, characterized in that, seal structure two (8) are including inflation groove one (81), inflation groove two (82), inflation gasbag (83), intake pipe (84) and valve two (85), inflation groove one (81) is seted up on the internal wall face of connector one (2), inflation groove two (82) are seted up on the internal wall face of connector two (3), inflation groove one (81) constitutes an inflation groove with inflation groove two (82), the inflation inslot is provided with inflation gasbag (83), the avris switch-on of inflation gasbag (83) has intake pipe (84), the one end that inflation gasbag (83) were kept away from in intake pipe (84) extends to the outside fixedly connected with valve two (85) of connector one (2).
8. The gas transmission pipeline with the leakage-proof structure for the 3D printing protective gas device according to claim 1, wherein the inner sealing structure (9) comprises a second sealing groove (91), a third sealing groove (92) and a third sealing ring (93), the second sealing groove (91) is formed in the inner wall surface of the first connecting head (2), the third sealing groove (92) is formed in the inner wall surface of the second connecting head (3), the second sealing groove (91) and the third sealing groove (92) form a sealing groove, and the third sealing ring (93) is clamped inside the sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111580144.5A CN114198646B (en) | 2021-12-22 | 2021-12-22 | 3D prints gas transmission pipeline of protection gas device with taking leak protection structure certainly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111580144.5A CN114198646B (en) | 2021-12-22 | 2021-12-22 | 3D prints gas transmission pipeline of protection gas device with taking leak protection structure certainly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114198646A true CN114198646A (en) | 2022-03-18 |
| CN114198646B CN114198646B (en) | 2023-06-16 |
Family
ID=80655890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111580144.5A Active CN114198646B (en) | 2021-12-22 | 2021-12-22 | 3D prints gas transmission pipeline of protection gas device with taking leak protection structure certainly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114198646B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163949A (en) * | 2022-06-24 | 2022-10-11 | 海安迪斯凯瑞探测仪器有限公司 | Leak protection equipment based on buried pipeline maintains usefulness |
| CN115199839A (en) * | 2022-06-30 | 2022-10-18 | 福建德尔科技股份有限公司 | Air inlet pipe anti-leakage sleeve device of condenser for electronic-grade chlorine trifluoride production |
| CN116734058A (en) * | 2023-08-15 | 2023-09-12 | 山东金钻金属制品有限公司 | Remote high-pressure fluid conveying pipeline |
| CN117300306A (en) * | 2023-10-12 | 2023-12-29 | 内蒙古工业大学 | Welding protection system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT207989B (en) * | 1958-05-03 | 1960-03-10 | Micafil Ag | Rotary piston or rotary vane vacuum pump for extracting gases and vapors with air ballast device and oil seal |
| JP2008080378A (en) * | 2006-09-28 | 2008-04-10 | Sugino Mach Ltd | Structure for sealing mandrel of tubular hydroforming apparatus |
| CN108057262A (en) * | 2017-12-21 | 2018-05-22 | 崔秀萍 | A kind of gasbag-type gas and oil separating plant and its method |
| CN210950412U (en) * | 2019-12-10 | 2020-07-07 | 李爱平 | Anti-leakage safety plugging device for pressure fluid pipeline |
| CN211146112U (en) * | 2019-10-29 | 2020-07-31 | 沃优科技有限公司 | Oil gas well pipeline leakage monitoring device based on Internet of things |
| CN213629347U (en) * | 2020-11-25 | 2021-07-06 | 盐城市佳鑫石化机械制造有限公司 | Corrosion-resistant flange for petroleum equipment |
-
2021
- 2021-12-22 CN CN202111580144.5A patent/CN114198646B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT207989B (en) * | 1958-05-03 | 1960-03-10 | Micafil Ag | Rotary piston or rotary vane vacuum pump for extracting gases and vapors with air ballast device and oil seal |
| JP2008080378A (en) * | 2006-09-28 | 2008-04-10 | Sugino Mach Ltd | Structure for sealing mandrel of tubular hydroforming apparatus |
| CN108057262A (en) * | 2017-12-21 | 2018-05-22 | 崔秀萍 | A kind of gasbag-type gas and oil separating plant and its method |
| CN211146112U (en) * | 2019-10-29 | 2020-07-31 | 沃优科技有限公司 | Oil gas well pipeline leakage monitoring device based on Internet of things |
| CN210950412U (en) * | 2019-12-10 | 2020-07-07 | 李爱平 | Anti-leakage safety plugging device for pressure fluid pipeline |
| CN213629347U (en) * | 2020-11-25 | 2021-07-06 | 盐城市佳鑫石化机械制造有限公司 | Corrosion-resistant flange for petroleum equipment |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163949A (en) * | 2022-06-24 | 2022-10-11 | 海安迪斯凯瑞探测仪器有限公司 | Leak protection equipment based on buried pipeline maintains usefulness |
| CN115163949B (en) * | 2022-06-24 | 2023-07-21 | 海安迪斯凯瑞探测仪器有限公司 | Leakage-proof equipment based on buried pipeline maintenance |
| CN115199839A (en) * | 2022-06-30 | 2022-10-18 | 福建德尔科技股份有限公司 | Air inlet pipe anti-leakage sleeve device of condenser for electronic-grade chlorine trifluoride production |
| WO2024000824A1 (en) * | 2022-06-30 | 2024-01-04 | 福建德尔科技股份有限公司 | Air inlet pipe anti-deflation sleeving device of condenser for production of electronic grade chlorine trifluoride |
| CN116734058A (en) * | 2023-08-15 | 2023-09-12 | 山东金钻金属制品有限公司 | Remote high-pressure fluid conveying pipeline |
| CN116734058B (en) * | 2023-08-15 | 2023-10-27 | 山东金钻金属制品有限公司 | Remote high-pressure fluid conveying pipeline |
| CN117300306A (en) * | 2023-10-12 | 2023-12-29 | 内蒙古工业大学 | Welding protection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114198646B (en) | 2023-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114198646A (en) | 3D prints protection gas device with gas transmission pipeline from taking leak protection structure | |
| CN106809187B (en) | Aerify tire repair all-in-one | |
| CN202836892U (en) | Pipe airtightness detecting device | |
| CN212110509U (en) | Mould gas tightness detection device | |
| CN202704235U (en) | Automobile tire glue-water bottle | |
| CN204461693U (en) | For the visual leakage detection apparatus leaked in the heat exchanger of food processing | |
| CN117189015A (en) | Leakage-proof wellhead protection device | |
| CN105587965A (en) | Sealing member and sealing method with pipe | |
| CN205745818U (en) | The union elbow being convenient to clean | |
| CN207621524U (en) | Pipeline, which docks circumferential weld, repairs sealing structure | |
| CN216046029U (en) | Rocker arm water delivery device of water taking pump ship | |
| CN206325988U (en) | A kind of manufacture device of pipeline | |
| CN214889480U (en) | Pipeline sealing device | |
| CN201772975U (en) | Experiment device for detecting sealing properties of expanded capsule and sealing liquid | |
| CN203743599U (en) | Steel pipe cold extruding valve | |
| CN211523132U (en) | A high efficiency leak protection oil seal structure for hydraulic pressure dam | |
| CN211234875U (en) | Device for rapidly detecting air tightness of pipeline | |
| CN101957252A (en) | Experiment device for detecting sealing performance of swelling capsule and sealing liquid | |
| CN212672446U (en) | Pressure sealing device | |
| CN206248284U (en) | A kind of crossover sub device for detecting sealability | |
| CN2578652Y (en) | Multifunctional plastic pipes | |
| CN204843322U (en) | Inside argon filling gas instrument during water chiller stainless steel pipe welding for transformer | |
| CN2767118Y (en) | High-seal foaming tool | |
| CN206860852U (en) | Prevent the device of reductor oil seepage | |
| CN216806616U (en) | Bottle cap for tire repair bottle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |