Pipeline sealing connection structure with bidirectional socket plug
Technical Field
The invention relates to the field of pipeline sealing welding, in particular to a pipeline sealing connection structure with a bidirectional receiving plug.
Background
In various industrial, building and municipal pipeline systems, connection between pipelines is indispensable, such as petrochemical industry, food processing, aerospace and the like, the sealing performance and stability of the pipeline connection in the fields have extremely high requirements, such as a compressor, an induced draft fan and the like, equipment which can generate large vibration during working interferes with the stability of the pipeline, and materials such as chemical gas, liquid and the like are conveyed to avoid leakage, so that the sealing performance needs to be ensured, but the existing pipeline sealing connection structure usually adopts single welding and threaded connection to ensure the pipeline connection, so that the pipeline sealing connection structure cannot effectively correspond to different installation scenes when the pipeline sealing connection structure is applied to the chemical field with complex application environment.
Disclosure of Invention
In order to solve the problems that the conventional pipeline sealing connection structure is single in installation mode, can not simultaneously ensure tightness and stability, can not adapt to different installation scenes and is poor in applicability, the invention provides the pipeline sealing connection structure with the bidirectional receiving plug.
The invention provides a pipeline sealing connection structure with a bidirectional receiving plug, which adopts the following technical scheme:
The pipeline sealing connection structure with the bidirectional receiving plug comprises pipeline main bodies which are arranged at two ends and need to be connected, clamping plates used for clamping in opposite movement are sleeved on the surfaces of the pipeline main bodies at two sides, and threaded columns for providing supporting and moving force are arranged between the clamping plates;
The two sides of the pipeline main body surface are positioned between the clamping plates and are respectively provided with a transmission outer ring in an inserting manner, wherein the transmission outer rings are used for receiving thrust, a support ring body for increasing pressure is fixedly arranged between the pipeline main body surface and the transmission outer rings, the two sides of the pipeline main body surface are respectively provided with a sealing middle ring positioned between the transmission outer rings, and the sealing middle rings are sheathed with the transmission outer rings and are connected with the transmission outer rings for keeping pipeline sealing and facilitating welding operation;
The two sides the pipeline main body inner wall is located and all pegged graft and is provided with the butt inner ring between the sealing ring, the butt inner ring surface is located and all is provided with the extrusion baffle that is convenient for pipeline deformation extrusion in between the pipeline main body side surface of both sides.
Through adopting above-mentioned technical scheme, the grip block removes and makes two transmission outer rings carry out the opposite movement to splice two sealed zhong, and increase connection stability through the mode of concatenation, and provide operating space for the welding, improve the welding effect that brazes, extrude pipeline main part simultaneously, the deformation of ring in cooperation butt makes pipeline main part and sealing connection structure's junction portion be tortuous state, effectively guarantees pipeline connection leakproofness.
Preferably, the two sealing middle rings comprise middle ring main bodies which are arranged on the surface of the pipeline main body in a plugging manner, a plurality of welding clamping blocks are arranged on the opposite sides of the middle ring main bodies in a surrounding manner, the welding clamping blocks are distinguished by the two middle ring main bodies, movable cavities which are communicated with the outside are formed in the welding clamping blocks, movable grooves are formed in the opposite sides of the inner walls of the movable cavities, and limiting protruding blocks are arranged on the surfaces of the opposite sides of the welding clamping blocks on the surfaces of the middle ring main bodies in a protruding manner.
Through adopting above-mentioned technical scheme, two sets of welding fixture blocks splice fixedly each other to make two zhonghuan main part connect, the spacing lug of cooperation inserts the shifting chute simultaneously, improve stability, make the splice both ends of two sets of welding fixture blocks form the welding point, carry out the operation of brazing in the recess between zhonghuan main part and the welding point both sides, thereby be convenient for personnel's welding, and effectively improve welding stability.
Preferably, two groups of movable cavities are provided with lower pressing blocks in a moving way, the middle part of each lower pressing block is provided with an opening, the opening bottom is communicated with an abutting surface for contacting with a pipeline, the tops of the two groups of lower pressing blocks are connected with first compression torsion springs fixedly connected with the tops of the inner walls of the movable cavities, the two groups of movable blocks are provided with movable blocks in a moving way, the side surfaces of the movable blocks are connected with second extension torsion springs fixedly connected with the side walls of the moving way, and a plurality of lower pressing blocks are uniformly connected with the movable blocks in an inserting way.
Through adopting above-mentioned technical scheme, the movable block is impressed in the movable groove to cancel the joint to lower briquetting, thereby make first compression torsional spring extend, thereby push lower briquetting by movable chamber in fixed intracavity, make butt face and pipeline deformation part carry out the crimping, thereby form the fixed of pipeline main part.
Preferably, two opposite side surfaces of the middle ring main body are provided with limiting grooves between the welding clamping blocks, and the limiting grooves of the middle ring main body are movably inserted into the limiting protruding blocks aligned with the other middle ring main body.
Through adopting above-mentioned technical scheme, a plurality of welding fixture blocks all insert in the spacing groove of another zhong main part to form two zhong main parts and peg graft amalgamation states each other, and form the welding point through the state of tooth face concatenation, when being convenient for personnel's welding, improve welded stability.
Preferably, auxiliary grooves for filling brazing flux are formed in the surfaces of the opposite sides of the welding fixture blocks.
Through adopting above-mentioned technical scheme, the auxiliary tank is offered in welding fixture block opposite side, when two welding fixture blocks splice together, is the welding point in two welding fixture block opposite side bottom gap junctions, welds the welding point along with the personnel uses the borer strip, and the brazing flux in the auxiliary tank flows out supplementary operation of brazing, expands the welding part to auxiliary tank scope simultaneously, improves welding stability.
Preferably, the two outer transmission rings comprise outer ring bodies which are inserted and arranged on the surfaces of the pipeline bodies, stress rings are fixedly arranged on one sides of the outer ring bodies facing the clamping plates, and a plurality of linkage rods used for connecting sealing middle rings are fixedly arranged on the surfaces of one sides of the stress rings, which are far away from the clamping plates.
Through adopting above-mentioned technical scheme, atress ring and clamping plate butt to receive the thrust from the clamping plate and carry to outer loop main part, thereby drive two outer loop main parts and remove in opposite directions, along with the removal of outer loop main part drive gangbar synchronous movement, thereby transmission thrust.
Preferably, two the outer loop main part is kept away from the side surface all to connect and is provided with the toper ejector pad, two toper ejector pad surface all with the inclined plane butt, two toper ejector pad hardness all is less than the middle ring main part.
Through adopting above-mentioned technical scheme, the toper ejector pad receives the promotion of outer loop main part to be located and remove between inclined plane and the pipeline main part, along with the toper ejector pad remove to with the position of inclined plane butt to promote the middle ring main part and remove, when two middle ring main parts butt again, thereby exert downward pressure and produce deformation on pipeline main part surface.
Preferably, the first communication holes are formed in positions, located on the linkage rod, of the bottoms of the limiting grooves, the second communication holes communicated with the movable cavity are formed in positions, located on the linkage rod, of the side surfaces of the limiting protruding blocks, and the first communication holes in the middle ring main body are aligned and communicated with the second communication holes of the other middle ring main body.
Through adopting above-mentioned technical scheme, offer for the gangbar inserts the zhonghuan main part and provides the space for outer loop main part and the whole vertical synchronization of zhonghuan main part, the intercommunication of aligning of second intercommunicating pore and first communication hole simultaneously makes the gangbar insert another zhonghuan main part by one of them zhonghuan main part, forms two zhonghuan main parts and peg graft each other in step, when improving overall stability, receives the thrust of being transmitted by outer loop main part.
Preferably, the two middle ring main bodies are provided with fixing cavities at positions where the limiting protruding blocks are inserted into the bottoms of the limiting grooves, and the bottoms of the inclined planes penetrate through the side walls to be communicated with the fixing cavities.
Through adopting above-mentioned technical scheme, offer for the part after the pipeline main part warp of fixed chamber and provide the extension space, the briquetting is fixed by the fixed chamber push down the part that the pipeline main part warp simultaneously, compresses pipeline main part and the clearance of butt inner ring, further promotes overall stability and leakproofness.
Preferably, both sides of the inner wall of the abutting inner ring are provided with inclined inlets, and the inclined surface tail ends of the inclined inlets are attached to the inner wall of the pipeline main body so as to facilitate deformation expansion and improve tightness.
Through adopting above-mentioned technical scheme, the butt inner ring is located two pipeline main parts and forms the support, and the seting up of slope entry simultaneously for apply pressure to the butt inner ring surface at the pipeline main part and make, form the interact force and let the slope entry be the expansion state and further press and connect pipeline main part inner wall, improve the leakproofness.
In summary, the present invention includes at least one of the following beneficial technical effects:
1. The conical pushing block is used for pushing the middle ring main body, so that welding clamping blocks on two sides are spliced into a ring shape, meanwhile, the limiting convex blocks are inserted into limiting grooves of the other middle ring main body to form mutual splicing, the connecting stability of the middle ring main body is improved, meanwhile, the area of a weldable gap is increased, the welding quality is improved by matching with the gap and the two sides of the ring shape, the stability of a sealing connecting structure is integrally improved, and the loosening problem caused by shaking of external equipment is prevented;
2. The thrust is transmitted to the middle ring main body by means of the conical push block pushed by the stress ring, meanwhile, after the middle ring main body is spliced, the middle ring main body continuously transmits the thrust to generate interaction force to enable the pipeline main body to deform with the abutting inner ring, the pipeline main body deformation is pressed into the fixing cavity to be fixedly extruded by the lower pressing block, the matching abutting inner ring deformation is used for carrying out secondary extrusion on the inner wall of the pipeline main body, so that a bending connection state is generated, gaps in the connecting faces are extruded, and the sealing effect between pipelines is guaranteed.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a front cross-sectional view of the present invention;
FIG. 4 is a cross-sectional view of a gangway lever of the present invention;
FIG. 5 is a diagram of the internal structure of the active chamber of the present invention;
FIG. 6 is a block diagram of a press block according to the present invention;
FIG. 7 is a cross-sectional view of a linkage rod connection of the present invention;
FIG. 8 is an extrusion view of the present invention at A.
Reference numeral 1, a pipeline main body, 2, a clamping plate, 3, a threaded column;
4. The driving outer ring, 41, the outer ring main body, 42, the stress ring, 43, the conical push block, 44, the linkage rod;
5. Sealing middle ring, 51, middle ring main body, 52, welding fixture block, 53, movable cavity, 54, movable groove, 55, limit groove, 56, inclined surface, 57, lower press block, 58, first compression torsion spring, 59, abutting surface, 510, movable block, 511, second extension torsion spring, 512, auxiliary groove, 513, limit bump;
6. abutting against the inner ring, pressing the baffle plate, 8, inclining the inlet, 9, supporting the ring body, 10, the first communication hole, 11, the fixed cavity, 12, the second communication hole.
Detailed Description
The present invention is described in further detail below with reference to fig. 1-8.
The embodiment of the invention discloses a pipeline sealing connection structure with a bidirectional socket plug.
Referring to fig. 1-4, a pipeline sealing connection structure with bidirectional receiving plugs comprises pipeline main bodies 1 which are arranged on the left side and the right side and connected with external transmission equipment, wherein the pipeline main bodies 1 are made of rubber materials and are used for bearing corrosion of chemical fluid, meanwhile, the pipeline main bodies have good deformability and compression resistance, the inner surfaces of the two pipeline main bodies 1 are respectively provided with an abutting inner ring 6 in an inserted manner, annular extrusion baffle plates 7 are respectively convexly arranged at positions, located between the two pipeline main bodies 1, on the surfaces of the extrusion baffle plates 7, two sides of the surfaces of the extrusion baffle plates 7 are respectively arranged in an inward inclined manner, clamping plates 2 are respectively sleeved on the middle parts of the surfaces of the two pipeline main bodies 1 in a surrounding manner, a plurality of threaded columns 3 are respectively connected with the two clamping plates 2 in a surrounding manner, and the plurality of threaded columns 3 are respectively connected with the two clamping plates 2 in a threaded manner;
The threaded column 3 is located the equal threaded connection of the penetration surface of two opposite sides of clamping plate 2 and has nut, the spiral shell pad, thereby make two clamping plates 2 carry out opposite direction, the opposite movement through rotating the nut, pipeline main part 1 surface is located and encircles and be provided with two transmission outer loop 4 between two clamping plates 2, transmission outer loop 4 is including the outer loop main part 41 of cover at pipeline main part 1 surface, two outer loop main part 41 have all set firmly the atress ring 42 towards adjacent clamping plate 2's one side surface, the atress ring 42 wholly encircles pipeline main part 1, and two atress ring 42 opposite side all with clamping plate 2 butt, two outer loop main part 41 all bond and be provided with toper ejector pad 43 in opposite side, toper ejector pad 43 can dismantle with outer loop main part 41 and change, and toper ejector pad 43 uses the stereoplasm polyurethane material, when hardness is higher than pipeline main part 1, receive the pressure can deform.
It should be noted that, a plurality of linkage rods 44 are all fixed around the pipeline main body 1 on the surface of the opposite side of the two stress rings 42 (the length of the linkage rods 44 is adjusted along with the length of the part of the pipeline main body 1 inserted into the connecting structure), and the longitudinal angles between the two stress rings 42 are staggered by 30 degrees, so that the linkage rods 44 on the two sides are staggered synchronously, a gap of 2-3 cm is reserved between the inner wall of the clamping plate 2 and the outer surface of the pipeline main body 1, the inner wall surface of the outer ring main body 41 is movably inserted with the outer surface of the pipeline main body 1, the outer surface of the pipeline main body 1 is positioned at the protruding part of the outer ring main body 41 and the conical push block 43, and the supporting ring body 9 is made of rigid polyvinyl chloride material with good hardness to play a supporting role.
Referring to fig. 2, 3 and 5, the surfaces of two pipeline main bodies 1 are located at the tail end positions of the conical push blocks 43 and are all provided with sealing middle rings 5 in a surrounding mode, each sealing middle ring 5 comprises a middle ring main body 51 sleeved on the surface of each pipeline main body 1, one side, close to the adjacent outer ring main body 41, of each middle ring main body 51 is provided with a first communication hole 10, a plurality of first communication holes 10 are movably inserted into a linkage rod 44, the first communication holes 10 penetrate through the other side surface of each middle ring main body 51 to form communication, limiting grooves 55 are formed in positions, aligned with the first communication holes 10, of the opposite sides of each middle ring main body 51 are respectively provided with a limiting groove 55, the groove bottoms of the limiting grooves 55 are communicated with the corresponding first communication holes 10, meanwhile, the inner walls of the middle ring main bodies 51 are located at the positions of the conical push blocks 43 and are circumferentially provided with inclined surfaces 56, the inclined surfaces 56 are consistent with the conical inclined surfaces of the conical push blocks 43, and the inclined surfaces 56 are made of nylon and glass fibers, so that the hardness is higher than that of the conical push blocks 43, and meanwhile, the sealing middle ring main bodies have good wear resistance;
The welding fixture blocks 52 are arranged at the positions, located between the limiting grooves 55, of the opposite sides of the two middle ring main bodies 51 in a protruding mode (at least six welding fixture blocks 52 are arranged), and the two middle ring main bodies 51 are in a 30-degree staggered mode, so that the welding fixture blocks 52 on the surfaces of the two middle ring main bodies 51 can be spliced into a whole, the welding fixture blocks 52 are aligned with the limiting grooves 55 of the other middle ring main bodies 51, the width of the welding fixture blocks is consistent, limiting protruding blocks 513 are arranged at the tail ends of the welding fixture blocks 52 in a protruding mode, the limiting protruding blocks 513 can be movably inserted into the limiting grooves 55, meanwhile, the second communication holes 12 are formed in the positions, located on the surfaces of the first communication holes 10 of the other middle ring main bodies 51 in a penetrating mode, and the second communication holes 12 are aligned with the first communication holes 10 in a one-to-one mode.
It should be noted that, under normal conditions, the two clamping plates 2 are in a relaxed state, so that a space of 10-15 cm is reserved between the two middle ring main bodies 51, thereby facilitating the movement and splicing actions of the two welding fixture blocks 52 driven by the two subsequent middle ring main bodies 51, and simultaneously, an annular auxiliary groove 512 is formed in the opposite side of the two welding fixture blocks 52, and the auxiliary groove 512 is filled with brazing flux for assisting welding work.
Referring to fig. 5, 6, 7 and 8, a movable cavity 53 is formed in each of the plurality of welding fixture blocks 52, the bottom of the movable cavity 53 penetrates through an inclined surface 56 to be communicated with the outside, a lower pressing block 57 is internally and internally arranged in the movable cavity 53, the whole lower pressing block 57 is in a mouth shape, two ends of the bottom of the mouth shape are provided with abutting surfaces 59, the abutting surfaces 59 are consistent with the inclined surfaces 56 in material, a first compression torsion spring 58 is fixedly arranged on the other side, far away from the abutting surfaces 59, of the lower pressing block 57, the other end, far away from the lower pressing block 57, of the first compression torsion spring 58 is fixedly connected with the top of the inner wall of the movable cavity 53, so that power is provided for movement of the lower pressing block 57, and connection between the lower pressing block 57 and the welding fixture blocks 52 is maintained;
Meanwhile, a moving groove 54 is formed in one side of the inner wall of the movable cavity 53 again, a moving block 510 is arranged in the moving groove 54, an inclined surface is arranged on one side of the moving block 510 facing the downward pressing block 57, and the moving block 510 is positioned in the mouth-shaped range of the downward pressing block 57 in a normal state, so that the downward pressing block 57 is transversely clamped to form longitudinal limiting, a second stretching torsion spring 511 is fixedly arranged on the other side of the moving block 510 far away from the downward pressing block 57, and the other end of the second stretching torsion spring 511 far away from the moving block 510 is fixedly connected with the inner wall of the moving groove 54.
It should be noted that, under normal conditions, the first compression torsion spring 58 is in a contracted state, the second extension torsion spring 511 is in an expanded state, and the extension force of the second extension torsion spring 511 is greater than the resilience force of the first compression torsion spring 58, the calculation formula of the torsion spring force is f=kx, where F represents the torsion spring force, represents the torsion spring constant (the magnitude of the force generated by the stress of the torsion spring in unit length), x represents the compression amount of the torsion spring (the displacement distance from the original state to the compressed state of the torsion spring), the first compression torsion spring 58 and the second extension torsion spring 511 can both calculate the elasticity through the formula, and when the two middle ring bodies 51 are abutted together, the bottom of the welding fixture block 52 and the abutting inner ring 6 form the fixing cavity 11, so as to provide a fixing space for the extrusion of the pipeline body 1.
When the device is used, personnel insert the pipeline main bodies 1 at two sides from the inner ring of the outer ring main body 41 until the supporting ring body 9 is abutted against the convex surface of the conical push block 43, at the moment, the nuts on the surface of the threaded column 3 are rotated, the nuts are rotated to drive the two clamping plates 2 to move oppositely so as to shorten the distance, in the process, the two clamping plates 2 respectively apply thrust to the two stress rings 42, the two stress rings 42 are driven by the thrust to move oppositely by the two outer ring main bodies 41, so that the two conical push blocks 43 are driven to be positioned on the inclined surfaces 56 and move with the surface of the pipeline main body 1, at the moment, the bottoms of the conical push blocks 43 are supported by the pipeline main body 1, and the thrust is continuously transmitted to the inclined surfaces 56, so that the two middle ring main bodies 51 are driven to move oppositely;
Along with the movement of the two middle ring main bodies 51, the welding fixture blocks 52 on the two sides are driven to splice with each other to form a ring body, the welding area is increased, the limiting convex blocks 513 are inserted into the limiting grooves 55 one by one to form preliminary fixing of the two middle ring main bodies 51, the linkage rods 44 are inserted into the range of the first communication holes 10, the rotation of the nuts of the threaded columns 3 is stopped at the moment, a person places the brazing bars for welding operation on the two sides of the ring body formed by the welding fixture blocks 52 so as to just cover the connecting gaps of the two welding fixture blocks 52, and then the person uses welding equipment to braze the connecting gaps and the positions of the two welding fixture blocks 52, so that the two middle ring main bodies 51 are fixed integrally to form secondary fixing, the overall stability of the connecting structure is improved, and looseness is effectively prevented;
Then, the nut of the threaded column 3 is continuously rotated to drive the two conical push blocks 43 to move, at the moment, the two middle ring main bodies 51 are in a fixed state, so that the thrust of the conical push blocks 43 cannot be released, interaction force is formed, the conical push blocks 43 are extruded, and are synchronously conveyed to the surface of the pipeline main body 1 in the extrusion process, so that the surface of the pipeline main body 1 is extruded and deformed, the deformed and extruded part is pushed into the fixed cavity 11 (shown in fig. 8) by the conical push blocks 43, at the moment, the surface of the abutting inner ring 6 is synchronously subjected to downward pressure due to the extrusion of the conical push blocks 43, the inclined inlet 8 is in an annular expansion state, the inner wall of the pipeline main body 1 is extruded, the pipeline main body 1 is matched with the deformation, the whole bending state is generated, and the gap between the pipeline main body 1 and the middle ring main body 51 and the abutting inner ring 6 is extruded, so that a sealing effect is finally formed;
In the secondary moving process of the stress ring 42, a pushing force is applied to the linkage rod 44, so that the linkage rod 44 is inserted into the second communication hole 12 to apply a pushing force to the surface of the moving block 510, the moving block 510 is pushed out of the mouth shape range of the lower pressing block 57, at this time, the lower pressing block 57 loses the limit of the moving block 510, and the first compression torsion spring 58 is made to rebound, so that the lower pressing block 57 is pushed out of the movable cavity 53, and the pipe main body 1 extruded in the fixed cavity 11 is secondarily extruded, so that the sealing effect is improved.
The foregoing is merely an alternative embodiment of the present disclosure, and is not intended to limit the present disclosure, and various modifications and variations may be made to the present disclosure by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. that fall within the spirit and principles of the present disclosure are intended to be included within the scope of the present disclosure.