CN114738582B - Fastening type clamping and pressing connection structure and connection method - Google Patents
Fastening type clamping and pressing connection structure and connection method Download PDFInfo
- Publication number
- CN114738582B CN114738582B CN202210246247.6A CN202210246247A CN114738582B CN 114738582 B CN114738582 B CN 114738582B CN 202210246247 A CN202210246247 A CN 202210246247A CN 114738582 B CN114738582 B CN 114738582B
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- pipeline
- block
- rotating
- clamping
- way connector
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- 238000003825 pressing Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 238000003780 insertion Methods 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
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- 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
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
- F16L41/021—T- or cross-pieces
-
- 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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/10—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using a rotary external sleeve or ring on one part
- F16L37/101—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using a rotary external sleeve or ring on one part in which the coupling is coaxial with the pipe
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a buckling type clamping and pressing connection structure and a connection method, wherein the buckling type clamping and pressing connection structure comprises a pipeline and a three-way connector, a sealing support assembly is fixedly sleeved on the outer side of the pipeline, one side, close to the three-way connector, of the sealing support assembly is in close contact with the three-way connector, penetrating clamping blocks are uniformly arranged on the periphery of the pipeline in the circumferential direction, limiting rings and retaining rings are fixedly sleeved on the inner sides of three end parts of the three-way connector, the penetrating clamping blocks are positioned between the corresponding limiting rings and the retaining rings, the limiting rings are positioned on one side, close to the middle part of the three-way connector, of the corresponding retaining rings, and penetrating slots with two sides being provided with openings are formed on the inner walls of four sides of the retaining rings. The invention is convenient for fast sealing and buckling the pipeline, is convenient for limiting the pipeline to prevent the pipeline from rotating, achieves the aim of preventing the phenomenon of automatic unlocking and separating caused by the rotation of the pipeline, improves the connection stability and meets the use requirement.
Description
Technical Field
The invention relates to the technical field of clamping and pressing type connection, in particular to a buckling type clamping and pressing connection structure and a connection method.
Background
The pipeline system comprises parts such as a pipeline, a pipeline connector and the like, and is a device system for conveying fluids such as gas, liquid and the like, which is formed by connecting the parts in sequence, and when the pipeline system works normally, the fluid flows from a high-pressure position to a low-pressure position of the pipeline after being pressurized by pressurizing equipment such as a blower, a compressor, a pump, a boiler and the like, and can also be conveyed by utilizing the pressure or gravity of the fluid. The pipeline system has wide application range and can be used for water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas transportation, agricultural irrigation, hydraulic engineering and the like, and compared with the traditional threaded connection mode, the clamping and pressing type connection mode can greatly improve the connection efficiency.
The Chinese patent with the bulletin number of CN212056277U discloses a stainless steel clamping and pressing type pipeline connecting piece, including the three-way pipe and connect the pipeline body at the three-way pipe tip, the equal fixedly connected with inner clamping buckle of three tip inner wall of three-way pipe, the pipeline body is close to the one end fixedly connected with snap ring and a plurality of evenly distributed's outer buckle of three-way pipe tip, the snap ring is located the one end that the three-way pipe was kept away from to outer clamping buckle, the one end that snap ring and a plurality of outer clamping buckles are close to each other fixedly connected with left sealing gasket and right sealing gasket respectively, the inside packing in space that forms of pipeline body, snap ring inner clamping buckle and three-way pipe encloses has the glass glue film, inner clamping buckle width is not greater than the distance between two adjacent outer clamping buckles, make interior clamping buckle can pass the space between two outer clamping buckles, and interior clamping buckle is the thick structure in middle both ends are thin, can realize quick connect pipeline's effect, effectively improve pipeline connection efficiency.
The patent adopting the technical scheme realizes quick connection through simple insertion rotation in a way of carrying out buckling connection by the inner and outer buckling matching snap rings; however, the pipeline rotation preventing device still has some defects, is inconvenient to limit the rotation preventing function on the pipeline, is easy to cause staggered buckling positions due to pipeline rotation caused by false collision after rotation buckling, further is easy to cause the phenomenon that the pipeline is separated to cause fluid leakage, has low stability and cannot meet the use requirement.
Disclosure of Invention
The invention mainly aims to provide a buckling type clamping and pressing connection structure and a connection method, which aim to improve the convenient positioning and stability of pipeline connection and meet the use requirement.
In order to achieve the above purpose, the invention provides a buckling type clamping and pressing connection structure, which comprises a pipeline and a three-way connector, wherein a sealing support assembly is fixedly sleeved on the pipeline, the sealing support assembly is close to the end part of the three-way connector and seals the three-way connector, a plurality of penetrating clamping blocks are uniformly and fixedly arranged in the middle of the periphery of the pipeline, a limiting ring and a blocking ring are arranged in interference fit in the inner hole of each end part of the three-way connector, the pipeline is positioned in the limiting ring and the blocking ring and is in movable contact, and the front end part of the pipeline is in a hexagonal structure and can be fixedly connected with the three-way connector in a clamping and pressing manner; the inserted clamping block is positioned between the limiting ring and the baffle ring, a through penetrating slot is arranged in the baffle ring, the penetrating slot is matched with the inserted clamping block, a semicircular lug is arranged on the rear end face of the inserted clamping block, a wedge block which is obliquely arranged is arranged on the front end face of the baffle ring, and when the inclined faces of the semicircular lug and the wedge block relatively rotate, the semicircular lug can continuously move upwards along the inclined face to enable the pipeline to move towards the center of the three-way connector; each end part of the three-way connector is provided with a mounting through hole and is embedded with a fixed sleeve, the bottom end of the fixed sleeve is positioned above a gap between the limiting ring and the baffle ring, a top plate of the fixed sleeve is of a plugging structure, a sealing sliding sleeve in the fixed sleeve is provided with an anti-rotation stop block, a rotating piece is arranged above the fixed sleeve, and a rebound type quick-fixing component is fixedly connected between the anti-rotation stop block and the rotating piece; the baffle ring is close to spacing ring one side fixedly connected with spacing axle, and spacing axle is spacing to one interlude fixture block that is close to the fixed cover among four interlude fixture blocks, and spacing axle is located the clockwise direction of rotation of one interlude fixture block that is close to the fixed cover, plays the convenience and realizes spacing to the biggest rotation angle position of interlude fixture block in clockwise pointer direction, and then plays spacing pipeline rotation angle.
Preferably, the sealing support assembly comprises a circular plate fixedly sleeved on the outer side of the pipeline, and a sealing elastic rubber ring which can be in a compressed state is fixedly adhered to one side of the circular plate, which is close to the three-way connector, and can seal the end part of the three-way connector.
Preferably, the rebound type quick-fixing assembly comprises a connecting rod, the bottom end of the connecting rod is fixedly connected with the top end of the anti-rotation stop block, the top end of the connecting rod extends to the outside of the fixed sleeve, the connecting rod can axially and relatively move relative to the fixed sleeve, a horizontal through rectangular hole is formed in the middle of the connecting rod, a rotating shaft is rotatably installed on one side inner wall of the rectangular hole, which is far away from the anti-rotation stop block, a buckling block is fixedly connected with the bottom end of the rotating shaft, the end of the buckling block extends to the outside of the connecting rod, the buckling block is screwed into the rectangular hole to enter the fixed sleeve along with the connecting rod, the connecting rod can be matched and limited with one side inner wall of the fixed sleeve, the top end of the rotating shaft extends to the outside of the connecting rod and is connected with the rotating member, the bottom end of the rotating shaft is connected with the top end of the torsion spring, and the bottom end of the torsion spring is connected with the inner bottom surface of the rectangular hole.
Preferably, the bottom end of the rotating shaft is fixedly connected with a pin shaft, the bottom end of the pin shaft is rotatably arranged on the inner bottom surface of the rectangular hole, and the torsion spring is movably sleeved on the periphery of the pin shaft.
Preferably, the anti-rotation stop block is used for limiting one penetrating clamping block close to the fixing sleeve in the four penetrating clamping blocks in a matched mode.
The invention also provides a control method for the buckling type clamping and pressing connection structure, which comprises the following steps:
Step S1: before connection, the end parts of the three-way connector are sequentially inserted into the baffle ring and the limit ring, the pipeline drives the insertion clamping blocks to be respectively inserted into the space between the limit ring and the baffle ring through the insertion grooves, the semicircular convex blocks are mutually matched with inclined end surfaces of the wedges by rotating the pipeline by a certain angle in the clockwise direction, the insertion clamping blocks and the insertion grooves are subjected to circumferential dislocation, the baffle ring shields the insertion clamping blocks, part of the insertion clamping blocks are staggered with the anti-rotation stop blocks, the insertion clamping blocks close to the direction of the fixed sleeve are contacted with the limit shaft and shielded and limited by the limit shaft, the pipeline moves forwards axially, and the pipeline drives the sealing elastic rubber ring to be in tight contact with the end parts of the three-way connector through circular plates, so that primary sealing connection is realized;
S2, rotating the rotating member positively, driving the rotating shaft to rotate, driving the buckling block to be screwed into the rectangular hole completely by the rotating shaft, twisting and compressing the torsion spring by the rotating shaft, pressing down the rotating member, driving the connecting rod to move towards the direction close to the pipeline by the rotating shaft, driving the anti-rotation stop block to slide out towards the direction close to the pipeline by the connecting rod, driving the buckling block to move into the fixed sleeve by the rotating shaft, loosening the rotating force on the rotating member, resetting and rotating the torsion spring in a torsion and compression state and driving the rotating shaft to rotate, driving the buckling block to rotate outside the connecting rod, blocking and limiting the buckling block by the top plate of the fixed sleeve to limit the buckling block to move upwards, preventing the connecting rod from moving outwards, preventing the anti-rotation stop block from moving backwards towards the direction away from the pipeline, and blocking and limiting the anti-rotation stop block to be positioned at the front side of one clamping block 3 close to the direction of the fixed sleeve, so that the anti-rotation stop block cannot rotate anticlockwise; meanwhile, the limiting shaft is positioned in the clockwise rotation direction of one inserted clamping block close to the fixed sleeve, and limits the maximum rotation angle position of the inserted clamping block in the clockwise pointer direction, so that the pipeline is completely shielded and limited, the phenomenon of turning due to false collision in the pipeline connection process is prevented, the pipeline is conveniently and rapidly sealed and buckled, the pipeline is conveniently limited and prevented from turning after buckling, and the automatic unlocking and separating caused by the turning of the pipeline are prevented;
Step S3: when the restriction is required to be released, the rotating piece is rotated forward again, the buckling block is rotated into the rectangular hole again, then the rotating piece is pulled outwards, the rotating piece is sequentially driven by the rotating shaft and the connecting rod to drive the anti-rotation stop block to be far away from the pipeline and staggered with the penetrating clamping block, the pipeline can be rotated to drive the penetrating clamping block to be aligned with the penetrating slot, and then the pipeline can be pulled out;
step S4: when the pipeline is installed and positioned correctly, the front end of the pipeline is connected with the three-way connector in a clamping and pressing mode by using a tool, and then the plugging is connected with the screw thread at the top of the through hole channel above the fixed sleeve, so that the integrity of the whole structure is ensured.
Compared with the prior art, the technical scheme of the invention has the following advantages:
According to the technical scheme, the pipeline is convenient to quickly seal and lock, the pipeline is convenient to limit and prevent rotation after the pipeline is buckled, the phenomenon of automatic unlocking and separating caused by rotation of the pipeline is prevented, the leakage phenomenon caused by rotation separation is avoided, the connection stability is improved, and the use requirement is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a snap-fit connection structure of the present invention;
FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;
FIG. 3 is a front view of the end face of the retainer ring of the present invention;
FIG. 4 is a front view of the end face of the pipe of the present invention;
fig. 5 is an exploded view of the structure of the baffle ring and the pipe of the present invention.
Description of the reference numerals:
100. A three-way connector; 200. a pipe; 1. a circular plate; 2. sealing the elastic rubber ring; 3. inserting a clamping block; 31. semicircular convex blocks; 4. a limiting ring; 5. a baffle ring; 51. a wedge; 6. inserting slots; 7. a fixed sleeve; 71. rectangular perforation; 8. an anti-rotation stop; 9. a connecting rod; 91. a second round hole; 92. a bearing; 10. a rectangular hole; 11. a rotating shaft; 12. a rotating member; 13. a buckling block; 14. a pin shaft; 15. a torsion spring; 16. and a limiting shaft.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a buckling type clamping and pressing connection structure and a connection method.
Referring to fig. 1-5, a snap-fit type clamping connection structure comprises a pipeline 200 and a three-way connector 100, wherein a sealing support assembly is fixedly sleeved on the outer side of the pipeline 200, the sealing support assembly is close to the end part of the three-way connector 100 and is in tight contact with the three-way connector 100 for sealing, a penetrating clamping block 3 is fixedly connected to the top, the bottom, the front side and the rear side of the periphery of the pipeline 200, the penetrating clamping block 3 can be fixedly connected with the periphery of the pipeline 200 through welding, a limiting ring 4 and a baffle ring 5 are arranged in inner holes of three end parts of the three-way connector 100 in an interference fit manner, the pipeline 200 is positioned in the limiting ring 4 and the baffle ring 5, the outer peripheral surface of the pipeline 200 is in movable contact with the inner side of the limiting ring 4 and the inner peripheral surface of the baffle ring 5, the end part of the pipeline 200 conveniently penetrates through the limiting ring 4 and the baffle ring 5, and in addition, the front end part structure of the pipeline 200 in the embodiment is of a hexagonal structure, and therefore the front end part structure of the pipeline 200 can be fixedly connected with the three-way connector 100 in a clamping manner. The penetrating clamping block 3 is located between the limiting ring 4 and the baffle ring 5, the limiting ring 4 is located on one side, close to the middle of the three-way connector 100, of the baffle ring 5, a penetrating groove 6 with a penetrating structure is formed in the baffle ring 5, the penetrating groove 6 is matched with the penetrating clamping block 3, the penetrating clamping block 3 conveniently penetrates through the inside of the penetrating groove 6, in addition, a semicircular protruding block 31 is arranged on the rear end face of the penetrating clamping block 3, a wedge block 51 which is obliquely arranged is arranged on the front end face of the baffle ring 5, and when the inclined faces of the semicircular protruding block 31 and the wedge block 51 relatively rotate, the semicircular protruding block 31 can move upwards continuously along the inclined face, so that the penetrating clamping block 3 can move forwards continuously. The inside roof at three joint connector 100 both ends and the inside right wall on top all inlay and are equipped with fixed cover 7, fixed cover 7 bottom is located the top of clearance between stop collar 4 and stop collar 5, the top of two fixed covers 7 that are located three joint connector 100 below and the right side of fixed cover 7 above three joint connector 100 all establish to the shutoff structure, sealed sliding sleeve is equipped with anti-gyration dog 8 in the fixed cover 7, wherein anti-gyration dog 8's outside bonding cladding has the sealed rubber, anti-gyration dog 8 seals the sliding sleeve through the sealed rubber and establishes in fixed cover 7, in addition anti-gyration dog 8 can carry out relative up-and-down movement relative to the inside passageway of fixed cover 7, anti-gyration dog 8 cooperatees with one fixture block 3 that is close to fixed cover 7 in four alternate fixture blocks 3, the top of two fixed covers 7 that are located three joint connector 100 below and the right side of fixed cover 7 above three joint connector 100 all are equipped with rotating member 12, the fixed connection alternates between one side that anti-gyration dog 8 is close to rotating member 12 has rebound quick-fixing assembly, fixed in the alternate on 7 sliding sleeve is established on the elastic-rebound ring assembly and is close to one side of the stop collar 5, the stop collar 16 is located in the clockwise rotation angle is close to one of stop collar 3, the rotation is located to one side of the stop collar 3 and is fixed to the stop collar 3, the rotation is located in the direction is close to one of the stop collar 3, and is fixed to the stop collar 3 and is rotated in the direction is reached and is fixed to one and is reached and is far to the stop collar 3 is far right.
The sealing support assembly of this embodiment includes a circular plate 1 fixedly sleeved outside the pipeline 200, wherein a first round hole welded and fixed with the outer peripheral surface of the pipeline 200 is formed in the center of the circular plate 1, the circular plate 1 is welded and fixed outside the pipeline 200 through the first round hole, a sealing elastic rubber ring 2 which can be in a compressed state is fixedly adhered to one side of the circular plate 1, which is close to the three-way connector 100, and one side of the sealing elastic rubber ring 2, which is close to the three-way connector 100, is tightly contacted with the three-way connector 100, so that a good seal is achieved at the end connection position.
The rebound type quick-fixing assembly of the embodiment comprises a connecting rod 9, the bottom end of the connecting rod 9 is fixedly connected with the top end of an anti-rotation stop block 8, one end of the connecting rod 9, far away from the anti-rotation stop block 8, extends to the outside of a fixed sleeve 7, the connecting rod 9 can axially and relatively move relative to the fixed sleeve 7, a rectangular through hole 71 is formed in the inner wall of one side, close to a rotating piece 12, of the fixed sleeve 7, the connecting rod 9 penetrates through the rectangular through hole 71 and vertically slides relative to the rectangular through hole 71, a horizontally penetrating rectangular hole 10 is formed in the middle of the connecting rod 9, a rotating shaft 11 is rotatably mounted on the inner wall of one side, far away from the anti-rotation stop block 8, of the rectangular hole 10, a second round hole 91 penetrates through the upper portion of the connecting rod 9, a bearing 92 is fixedly sleeved in the inner wall of the rectangular hole 10, an inner ring of the bearing 92 is fixedly sleeved with the outer ring of the rotating shaft 11, the outer ring of the bearing 92 is fixedly connected with the inner peripheral surface of the second round hole 91 (in a fixed mode of welding, bonding and the like), the rotating shaft 11 is rotatably mounted on the inner wall of one side, far away from the rectangular through hole 71, far away from the anti-rotation stop block 8, of the rotating shaft 11 is conveniently rotates, one side of the rotating shaft 11 is fixedly connected with a buckling block 13, and one side of the buckling block 13 is fixedly buckled with the rotating shaft 13, and then extends to the inner wall 13 of the rotating piece 7, and is screwed into the inner wall of the connecting rod 7, and is matched with the inner wall of the fixed sleeve 7, and is screwed into the inner wall of the connecting rod 13. In addition, the central axis of the second round hole 92 in this embodiment is not coincident with the central axis of the connecting rod 9, that is, the central axis of the second round hole 92 is located at the left side of the central axis of the connecting rod 9 and at a certain distance, so that the fastening block 13 can be conveniently screwed out or screwed into the rectangular hole 10. The top of the rotating shaft 11 extends out of the connecting rod 9 and fixedly connected with the rotating member 12, a torsion spring 15 is fixedly connected between the bottom of the rotating shaft 11 and the inner bottom surface of the rectangular hole 10, the top of the torsion spring 15 is fixedly connected with the bottom surface of the rotating shaft 11, the bottom of the torsion spring 15 is fixedly connected with the inner bottom surface of the rectangular hole 10, the rotating shaft 11 is far away from the pin shaft 14 fixedly connected with the bottom end of the rotating member 12, the bottom end of the pin shaft 14 is rotatably connected with the inner bottom surface of the rectangular hole, and the torsion spring 15 is sleeved on the pin shaft 14 to prevent the torsion spring 15 from bending deformation caused by overlarge stress. The invention is convenient for quick sealing and buckling of the pipeline 200, and is convenient for limiting the anti-rotation of the pipeline 200 after buckling, thereby preventing the phenomenon of automatic unlocking and separating caused by rotation in the process of clamping and pressing the pipeline 200, further avoiding the leakage phenomenon caused by rotation separation, improving the connection stability and meeting the use requirement.
In addition, in order to ensure the integral sealing performance of the buckling type clamping and pressing connection structure, a sealing block 17 is connected with the screw thread at the top of the channel above the fixed sleeve 7 so as to ensure the integral structure to be complete.
Referring to fig. 1 to 5, the working principle of the snap-fit type press-fit connection structure of the present embodiment is as follows:
When the three-way connector is used, before connection, the end part of the pipeline 200 is sequentially inserted into the baffle ring 5 and the limiting ring 4 in the direction close to the middle of the three-way connector 100, the pipeline 200 drives the four penetrating clamping blocks 3 to be respectively inserted between the limiting ring 4 and the baffle ring 5 through the inside of the penetrating grooves 6, as the semicircular convex blocks 31 are arranged on the rear end surfaces of the penetrating clamping blocks 3 and the wedge blocks 51 are arranged on the front end surfaces of the baffle ring 5, the end surfaces of the semicircular convex blocks 31 and the wedge blocks 51 are mutually matched by rotating the pipeline 200 clockwise by a certain angle, the penetrating clamping blocks 3 and the penetrating grooves 6 can be circumferentially dislocated, at the moment, the entity part outside the baffle ring 5 is in contact with the four penetrating clamping blocks 3 and is shielded and limited by the four penetrating clamping blocks, the penetrating clamping blocks 3 close to the direction of the fixing sleeve 7 are staggered with the anti-rotation stop block 8, the penetrating clamping blocks 3 close to the direction of the fixing sleeve 7 are in contact with the limiting shaft 16 and are shielded and limited by the limiting shaft 16, the pipeline is enabled to axially move forwards, and at the moment, the pipeline 200 drives the sealing elastic rubber ring 2 to be tightly contacted with the end part of the three-way connector 100 through the circular plate 1, and preliminary sealing connection is realized.
At this time, the person rotates the rotating member 12 forward, the rotating member 12 drives the rotating shaft 11 to rotate, the rotating shaft 11 drives the buckling block 13 to be completely screwed into the rectangular hole 10, meanwhile, the rotating shaft 11 performs torsion compression on the torsion spring 15, at this time, the rotating member 12 presses the rotating member 12 downwards, the connecting rod 9 is driven by the rotating shaft 11 to move towards the direction close to the pipeline 200, the connecting rod 9 drives the anti-rotation stop block 8 to slide out towards the direction close to the pipeline 200, at the same time, after the rotating shaft 11 drives the buckling block 13 to move into the fixed sleeve 7, the rotating force on the rotating member 12 is relaxed, at this time, the torsion spring 15 in the torsion compression state resets to rotate and drives the rotating shaft 11 to rotate, the rotating shaft 11 drives the buckling block 13 to rotate outside the connecting rod 9, at this time, the buckling block 13 can be blocked and limited by the top plate of the fixed sleeve 7 to limit upward movement and the connecting rod 9 can not move outwards, and then make the anti-rotation dog 8 can not move back to the direction of keeping away from pipeline 200, the anti-rotation dog 8 that prevents this moment moves down and is located the front side of a interlude fixture block 3 that is close to fixed cover 7 direction, reach and shelter from the restriction, make it can not anticlockwise rotate, meanwhile, spacing axle 16 is located the clockwise direction of rotation of a interlude fixture block 3 that is close to fixed cover 7, it is spacing to interlude the biggest rotation angle position of fixture block 3 in clockwise direction, and then realize the complete restriction of sheltering from pipeline 200, prevent pipeline 200 from bumping the gyration phenomenon because of the mistake in the connection process, make be convenient for quick to pipeline 200 seal lock, and be convenient for restrict anti-rotation to pipeline 200 after the lock, reach and prevent the phenomenon that leads to the fact automatic unlocking separation because of pipeline 200 gyration, improve connection stability.
When the restriction is required to be released, the rotary piece 12 is rotated forward again, the buckling piece 13 is rotated into the rectangular hole 10 again, then the rotary piece 12 is pulled outwards, the rotary piece is sequentially driven by the rotating shaft 11 and the connecting rod 9 to drive the anti-rotation stop block 8 to be staggered from the penetrating clamping block 3 in the direction away from the pipeline 200, at the moment, a person can rotate the pipeline 200 to drive the penetrating clamping block 3 to be aligned with the penetrating groove 6, and then the pipeline 200 can be pulled out.
When the installation and positioning of the pipeline 200 are correct, the front end of the pipeline 200 is connected with the three-way connector 100 in a clamping and pressing mode by using a tool, and the plugging 17 is connected with the screw thread at the top of the channel above the fixed sleeve 7, so that the integral structure is complete.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (5)
1. The buckling type clamping and pressing connection structure is characterized by comprising a pipeline and a three-way connector, wherein a sealing support assembly is fixedly sleeved on the pipeline, the sealing support assembly is close to the end part of the three-way connector and seals the three-way connector, a plurality of penetrating clamping blocks are uniformly and fixedly arranged in the middle of the periphery of the pipeline, a limiting ring and a blocking ring are arranged in an interference fit manner in each end part of the three-way connector, the pipeline is positioned in the limiting ring and the blocking ring and movably contacted with the limiting ring, and the front end part of the pipeline is of a hexagonal structure and can be fixedly connected with the three-way connector in a clamping and pressing manner; the inserted clamping block is positioned between the limiting ring and the baffle ring, a through penetrating slot is arranged in the baffle ring, the penetrating slot is matched with the inserted clamping block, a semicircular lug is arranged on the rear end face of the inserted clamping block, a wedge block which is obliquely arranged is arranged on the front end face of the baffle ring, and when the inclined faces of the semicircular lug and the wedge block relatively rotate, the semicircular lug can continuously move upwards along the inclined face to enable the pipeline to move towards the center of the three-way connector; each end of the three-way connector is provided with a mounting through hole and is embedded with a fixing sleeve, the bottom end of the fixing sleeve is positioned above a gap between the limiting ring and the baffle ring, a top plate of the fixing sleeve is of a plugging structure, a sealing sliding sleeve in the fixing sleeve is provided with an anti-rotation stop block, the outer side of the anti-rotation stop block is adhered and coated with a sealing rubber, the anti-rotation stop block is arranged in the fixing sleeve through the sealing rubber sealing sliding sleeve, the anti-rotation stop block can relatively move up and down relative to an internal channel of the fixing sleeve, the anti-rotation stop block is matched with one penetrating clamping block close to the fixing sleeve in four penetrating clamping blocks, a rotating piece is arranged above the fixing sleeve, a rebound type quick-fixing assembly is fixedly connected between the anti-rotation stop block and the rotating piece, the rebound type quick-fixing assembly comprises a connecting rod, the bottom end of the connecting rod is fixedly connected with the top end of the anti-rotation stop block, the top end of the connecting rod extends out of the fixing sleeve, the connecting rod can relatively move axially with the fixing sleeve, a horizontally through rectangular hole is formed in the middle of the connecting rod, a rotating shaft is rotatably arranged on one side inner wall of the rectangular hole far away from the anti-rotation stop block, the rotating block bottom end is fixedly connected with a buckling block, the buckling block end extends out of the connecting rod and then enters the rectangular hole, and is connected with the rotating spring to the bottom end of the rotating sleeve, and can be connected with the bottom end of the rotating sleeve in a rotating sleeve through the rotating sleeve; the baffle ring is close to spacing ring one side fixedly connected with spacing axle, and spacing axle is spacing to one interlude fixture block that is close to the fixed cover among four interlude fixture blocks, and spacing axle is located the clockwise direction of rotation of one interlude fixture block that is close to the fixed cover, plays the convenience and realizes spacing to the biggest rotation angle position of interlude fixture block in clockwise pointer direction, and then plays spacing pipeline rotation angle.
2. The snap-fit type clamping and pressing connection structure according to claim 1, wherein the sealing support assembly comprises a circular plate fixedly sleeved on the outer side of the pipeline, and a sealing elastic rubber ring capable of being in a compressed state is fixedly adhered to one side of the circular plate, which is close to the three-way connector, and can seal the end part of the three-way connector.
3. The snap-fit type clamping and pressing connection structure according to claim 2, wherein the bottom end of the rotating shaft is fixedly connected with a pin shaft, the bottom end of the pin shaft is rotatably arranged on the inner bottom surface of the rectangular hole, and the torsion spring is movably sleeved on the periphery of the pin shaft.
4. The snap-fit press-fit connection structure according to claim 3, wherein the anti-rotation block is configured to limit one of the four insertion blocks, which is close to the fixing sleeve.
5. A control method for the snap-fit connection structure according to claim 4, comprising the steps of:
Step S1: before connection, the end parts of the three-way connector are sequentially inserted into the baffle ring and the limit ring, the pipeline drives the insertion clamping blocks to be respectively inserted into the space between the limit ring and the baffle ring through the insertion grooves, the semicircular convex blocks are mutually matched with inclined end surfaces of the wedges by rotating the pipeline by a certain angle in the clockwise direction, the insertion clamping blocks and the insertion grooves are subjected to circumferential dislocation, the baffle ring shields the insertion clamping blocks, part of the insertion clamping blocks are staggered with the anti-rotation stop blocks, the insertion clamping blocks close to the direction of the fixed sleeve are contacted with the limit shaft and shielded and limited by the limit shaft, the pipeline moves forwards axially, and the pipeline drives the sealing elastic rubber ring to be in tight contact with the end parts of the three-way connector through circular plates, so that primary sealing connection is realized;
S2, rotating the rotating member positively, driving the rotating shaft to rotate, driving the buckling block to be screwed into the rectangular hole completely by the rotating shaft, twisting and compressing the torsion spring by the rotating shaft, pressing down the rotating member, driving the connecting rod to move towards the direction close to the pipeline by the rotating shaft, driving the anti-rotation stop block to slide out towards the direction close to the pipeline by the connecting rod, driving the buckling block to move into the fixed sleeve by the rotating shaft, loosening the rotating force on the rotating member, resetting and rotating the torsion spring in a torsion and compression state and driving the rotating shaft to rotate, driving the buckling block to rotate outside the connecting rod, blocking and limiting the buckling block by the top plate of the fixed sleeve to limit the buckling block to move upwards, preventing the connecting rod from moving outwards, preventing the anti-rotation stop block from moving backwards towards the direction away from the pipeline, and blocking and limiting the anti-rotation stop block to be positioned at the front side of one clamping block 3 close to the direction of the fixed sleeve, so that the anti-rotation stop block cannot rotate anticlockwise; meanwhile, the limiting shaft is positioned in the clockwise rotation direction of one inserted clamping block close to the fixed sleeve, and limits the maximum rotation angle position of the inserted clamping block in the clockwise pointer direction, so that the pipeline is completely shielded and limited, the phenomenon of turning due to false collision in the pipeline connection process is prevented, the pipeline is conveniently and rapidly sealed and buckled, the pipeline is conveniently limited and prevented from turning after buckling, and the automatic unlocking and separating caused by the turning of the pipeline are prevented;
Step S3: when the restriction is required to be released, the rotating piece is rotated forward again, the buckling block is rotated into the rectangular hole again, then the rotating piece is pulled outwards, the rotating piece is sequentially driven by the rotating shaft and the connecting rod to drive the anti-rotation stop block to be far away from the pipeline and staggered with the penetrating clamping block, the pipeline can be rotated to drive the penetrating clamping block to be aligned with the penetrating slot, and then the pipeline can be pulled out;
step S4: when the pipeline is installed and positioned correctly, the front end of the pipeline is connected with the three-way connector in a clamping and pressing mode by using a tool, and then the plugging is connected with the screw thread at the top of the through hole channel above the fixed sleeve, so that the integrity of the whole structure is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210246247.6A CN114738582B (en) | 2022-03-14 | 2022-03-14 | Fastening type clamping and pressing connection structure and connection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210246247.6A CN114738582B (en) | 2022-03-14 | 2022-03-14 | Fastening type clamping and pressing connection structure and connection method |
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| CN114738582A CN114738582A (en) | 2022-07-12 |
| CN114738582B true CN114738582B (en) | 2024-05-07 |
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| CN202210246247.6A Active CN114738582B (en) | 2022-03-14 | 2022-03-14 | Fastening type clamping and pressing connection structure and connection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118187059B (en) * | 2024-05-15 | 2024-07-19 | 中电建成都建设投资有限公司 | Anti-floating anchor rod device for urban rail earthwork construction |
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| CA2022891A1 (en) * | 1989-08-21 | 1991-02-22 | Hal Striskin | Secondary retaining enclosure |
| CN211145440U (en) * | 2019-12-09 | 2020-07-31 | 福建恒杰塑业新材料有限公司 | Three-way pipe joint |
| CN212056277U (en) * | 2019-12-31 | 2020-12-01 | 南京创通管业有限公司 | Stainless steel clamping and pressing type pipeline connecting piece |
| CN212691153U (en) * | 2020-08-14 | 2021-03-12 | 广州联诚能源科技发展有限公司 | Integral pipeline gas cut-off valve |
| CN213954647U (en) * | 2020-08-27 | 2021-08-13 | 芜湖锐华暖通科技有限公司 | Cutting ferrule three way connection convenient to connect |
-
2022
- 2022-03-14 CN CN202210246247.6A patent/CN114738582B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2022891A1 (en) * | 1989-08-21 | 1991-02-22 | Hal Striskin | Secondary retaining enclosure |
| CN211145440U (en) * | 2019-12-09 | 2020-07-31 | 福建恒杰塑业新材料有限公司 | Three-way pipe joint |
| CN212056277U (en) * | 2019-12-31 | 2020-12-01 | 南京创通管业有限公司 | Stainless steel clamping and pressing type pipeline connecting piece |
| CN212691153U (en) * | 2020-08-14 | 2021-03-12 | 广州联诚能源科技发展有限公司 | Integral pipeline gas cut-off valve |
| CN213954647U (en) * | 2020-08-27 | 2021-08-13 | 芜湖锐华暖通科技有限公司 | Cutting ferrule three way connection convenient to connect |
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|---|---|
| CN114738582A (en) | 2022-07-12 |
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