CN116753381A - Quick connector with non-return function and use method - Google Patents
Quick connector with non-return function and use method Download PDFInfo
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- CN116753381A CN116753381A CN202311036240.2A CN202311036240A CN116753381A CN 116753381 A CN116753381 A CN 116753381A CN 202311036240 A CN202311036240 A CN 202311036240A CN 116753381 A CN116753381 A CN 116753381A
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- male buckle
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000001125 extrusion Methods 0.000 claims description 38
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 16
- 238000009825 accumulation Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013024 troubleshooting Methods 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
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
- F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to the technical field of quick connectors, and discloses a quick connector with a non-return function and a use method thereof, wherein the quick connector comprises the following steps: the right side of the outer wall of the quick connector male buckle is provided with a clamping groove along the circumferential direction; the first push rod is arranged on the right side of the inner cavity of the male buckle of the quick connector; the check mechanism is arranged in the inner cavity of the male buckle of the quick connector; the number of the positioning mechanisms is two, the two positioning mechanisms are respectively arranged at the front side and the rear side of the male buckle of the quick connector, and the positions of the positioning mechanisms and the non-return mechanisms are corresponding. The device not only has the non-return function, can prevent the backflow of fluid, keeps the stable working state of the system, but also can allow the fluid to flow freely under specific conditions, and in the exhaust process of the hydraulic system, the quick connector allows the gas to be discharged smoothly, so that the problem caused by the accumulation of the gas in the system is avoided, and in addition, when the male buckle and the female buckle of the quick connector are required to be disconnected, the liquid supply is not required to be cut off.
Description
Technical Field
The invention relates to the technical field of quick connectors, in particular to a quick connector with a non-return function and a using method thereof.
Background
A quick connector is a device for quickly connecting and disconnecting a fluid transmission pipeline, and plays a key role in a hydraulic system, is used for connecting the pipeline and equipment, and ensures the safety and the high efficiency of fluid transmission; in a hydraulic system, a quick connector is generally required to have a check function to prevent backflow of fluid and maintain a stable operation state of the system, however, in some cases, such as operations of debugging, exhausting, maintenance, etc., it is required that the fluid be free-flowing, and thus, the quick connector is required to have a reflowable function to allow the fluid to flow freely in a specific case, for example, during exhausting of the hydraulic system, it is required that the quick connector allows smooth exhausting of gas, and in addition, in emergency maintenance or trouble shooting of the hydraulic system, it is required that the hydraulic system be quickly disconnected and pressure be released, in which case the quick connector cannot have a check function to allow hydraulic oil to flow back into the system without occurrence of a pressure pile.
Although the traditional quick connector with the non-return function can prevent the backflow of the fluid, the quick connector lacks the function of regulating the flow, and in the operations of exhausting, maintaining and the like of a hydraulic system, the fluid is required to flow freely without blocking or limiting the flow, and at the moment, the quick connector with the non-return function only can not meet the requirement; also, when the conventional quick connector having a non-return function is used, when maintenance, repair, exhaust, etc. of the hydraulic system requires disconnection of the quick connector, in order to prevent leakage of the liquid in the delivery pipe, it is first necessary to cut off the liquid supply, which increases the complexity and inconvenience of the operation.
Disclosure of Invention
The invention aims to provide a quick connector with a non-return function and a use method thereof, so as to solve the problems that flow adjustment cannot be carried out and operation is complex in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a quick connector with a non-return function and a use method thereof comprise the following steps: the right side of the outer wall of the quick connector male buckle is provided with a clamping groove along the circumferential direction; the first push rod is arranged on the right side of the inner cavity of the male buckle of the quick connector; the check mechanism is arranged in the inner cavity of the male buckle of the quick connector; the number of the positioning mechanisms is two, the two positioning mechanisms are respectively arranged at the front side and the rear side of the male buckle of the quick connector, and the positions of the positioning mechanisms and the non-return mechanisms are corresponding; the quick connector female buckle is sleeved on the right side of the outer wall of the quick connector male buckle, the left side of the outer wall of the quick connector female buckle is provided with extrusion grooves along the circumferential direction, and the outer side of an inner cavity of each extrusion groove is provided with a plurality of mounting grooves along the circumferential direction at equal intervals; the clamping ball is matched and inserted into the inner cavity of the mounting groove, and the clamping ball is matched and inserted into the inner cavity of the clamping groove; the first spring is sleeved in the inner cavity of the extrusion groove, and the right end of the first spring is clamped on the inner side of the inner cavity of the extrusion groove; the pull cylinder is sleeved on the left side of the outer wall of the quick connector female buckle, the inner side of the pull cylinder is slidably matched and inserted into the inner cavity of the extrusion groove, and the left end of the first spring is clamped on the outer wall of the pull cylinder.
Preferably, in order to prevent liquid in the quick connector box from leaking when the quick connector pin and the quick connector box are disconnected, an inner cavity of the quick connector box is provided with: the first mounting frame is arranged in the inner cavity of the quick connector female buckle; the second push rod is slidably and adaptively inserted into the inner cavity of the first mounting frame, the position of the second push rod corresponds to that of the first push rod, and the left end of the second push rod is contacted with the right end of the first push rod; the second spring is sleeved on the outer wall of the second push rod, and the right end of the second spring is clamped on the inner side of the first mounting frame; the separation blade sets up in the outer wall inboard of second push rod, and the left end joint of second spring is in the right side of separation blade.
Preferably, in order to stop the backflow of fluid, maintaining the stable operating state of the system, the non-return mechanism comprises: the second mounting frame is arranged in the inner cavity of the male buckle of the quick connector, the front end and the rear end of the left side of the second mounting frame are provided with left and right penetrating moving grooves along the front-rear direction, and the upper side and the lower side of the inner cavity of the moving grooves are provided with sliding grooves along the front-rear direction; the front end and the rear end of the guide rod are respectively arranged at the front side and the rear side of the inner cavity of the chute; the extrusion rod is slidably matched and inserted into the inner cavity of the second mounting frame; the plug is arranged at the right end of the extrusion rod, and the right side of the plug is contacted with the inner wall of the male buckle of the quick connector; the third spring is sleeved on the outer wall of the extrusion rod, the right end of the third spring is clamped on the left side of the plug, and the left end of the third spring is clamped on the right side of the second mounting frame.
Preferably, in order to release the non-return function, the system is convenient to maintain, exhaust, etc., and the non-return mechanism further comprises: the number of the cylindrical cams is two, the inner ends of the two cylindrical cams are respectively rotatably arranged at the inner sides of the inner cavities of the two sliding grooves through bearings, and the outer ends of the cylindrical cams extend out of the outer wall of the quick connector pin; the first rotating plate is arranged at the outer end of the cylindrical cam; the positioning rods are arranged at the outer sides of the two first rotating plates at equal intervals along the circumferential direction; the inner side of the second rotating plate is arranged at the outer end of the positioning rod; the movable block is slidably matched and inserted outside the inner cavity of the movable groove, and is slidably sleeved on the outer wall of the cylindrical cam; the sliding column is arranged on the right side of the inner cavity of the moving block, and the sliding column is slidably matched and inserted on the outer side of the inner cavity of the cylindrical cam; the number of the sliding blocks is four, the four sliding blocks are respectively arranged on the upper side and the lower side of the two moving blocks, the sliding blocks are slidably matched and inserted into the inner cavity of the sliding groove, and the sliding blocks are slidably sleeved on the outer wall of the guide rod; the number of the connecting rods is two, one ends of the two connecting rods are respectively rotatably arranged on the left sides of the two moving blocks through pin shafts, and the other ends of the connecting rods are rotatably arranged on the left ends of the extrusion rods through pin shafts.
Preferably, in order to fix the position of the first rotating plate, the positioning mechanism includes: the number of the mounting cylinders is two, and the two mounting cylinders are respectively arranged at the front side and the rear side of the quick connector male buckle; the clamping rod is slidably matched and inserted into the inner cavity of the mounting cylinder, the top end of the clamping rod extends out of the top end of the mounting cylinder, and the position of the clamping rod corresponds to the position of the positioning rod; the fourth spring is sleeved at the bottom end of the outer wall of the clamping rod, the bottom end of the fourth spring is clamped at the bottom end of the inner cavity of the mounting cylinder, and the top end of the fourth spring is clamped at the outer wall of the clamping rod; one end of the connecting rope is arranged on the outer wall of the mounting cylinder; one side of the card is arranged at the other end of the connecting rope, the card is detachably sleeved at the bottom end of the outer wall of the clamping rod, the bottom end of the card is contacted with the clamping rod, and the top end of the card is contacted with the bottom end of the mounting cylinder.
Preferably, the inner diameter of the inner side of the inner cavity of the mounting groove is smaller than the diameter of the clamping ball.
Preferably, the diameter of the baffle plate is larger than the inner diameter of the left side of the inner cavity of the quick connector female buckle.
The quick connector with the non-return function and the use method thereof provided by the invention have the beneficial effects that:
1. according to the invention, the male buckle of the quick connector and the female buckle of the quick connector can be quickly connected together through the cooperation between the clamping ball and the clamping groove, and the clamping ball can be shielded by the pull cylinder, so that the clamping ball is prevented from moving out of the inner cavity of the clamping groove, and the connecting effect is enhanced.
2. When the invention is used, the first push rod pushes the second push rod to drive the baffle plate to move rightwards, so that the liquid in the inner cavity of the female buckle of the quick connector can be ensured to smoothly flow into the inner cavity of the male buckle of the quick connector, the plug can be extruded to move leftwards by utilizing the pressure of the liquid, the liquid can be ensured to smoothly flow, the liquid can be prevented from flowing backwards by utilizing the plug, and the stable working state of the system can be maintained.
3. When the male snap fastener and the female snap fastener are separated, the second push rod is pushed by the second spring to drive the baffle plate to move leftwards until the baffle plate contacts with the inner wall of the female snap fastener, so that liquid in the inner cavity of the female snap fastener can be prevented from leaking.
4. When the hydraulic system is subjected to operations such as exhausting and maintaining, the fluid is required to flow freely, and the flow is not required to be blocked or limited, the second rotating plate can be rotated to drive the cylindrical cam to rotate through the first rotating plate, so that the moving block can be driven by the connecting rod to push the extrusion rod to drive the plug to move leftwards until the plug moves to a proper position, the position of the first rotating plate can be fixed by utilizing the cooperation between the clamping rod and the positioning rod, and the position of the plug can be fixed.
5. The device has the non-return function, can prevent the backflow of fluid, keeps the stable working state of the system, can allow the fluid to flow freely under specific conditions, allows the gas to be discharged smoothly by the quick connector in the exhaust process of the hydraulic system, avoids the problem caused by the accumulation of the gas in the system, and reduces the complexity and inconvenience of operation without cutting off the liquid supply when the male buckle and the female buckle of the quick connector are required to be disconnected.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a schematic view of a connection structure according to the present invention;
FIG. 4 is a schematic view of the structure of the male buckle of the quick connector;
FIG. 5 is a schematic view of the structure of the quick connector button;
FIG. 6 is a schematic cross-sectional view of a male buckle of a quick connector;
FIG. 7 is a schematic cross-sectional view of a quick connector button;
FIG. 8 is a schematic view of the structure of the extrusion tank;
FIG. 9 is an exploded view of the male snap fastener;
FIG. 10 is a front cross-sectional view of the positioning mechanism;
FIG. 11 is a schematic view of a card structure;
FIG. 12 is a schematic structural view of the return mechanism;
FIG. 13 is an exploded view of the return mechanism;
FIG. 14 is a top cross-sectional view of a cylindrical cam;
FIG. 15 is an enlarged view at A of FIG. 7;
FIG. 16 is an enlarged view at B of FIG. 8;
FIG. 17 is an enlarged view of FIG. 13 at C;
fig. 18 is an enlarged view of D of fig. 14;
fig. 19 is an enlarged view at E of fig. 13.
In the figure: 1. a quick connector pin; 2. a clamping groove; 3. a first push rod; 4. a non-return mechanism; 41. a second mounting frame; 42. a moving groove; 43. a chute; 44. a guide rod; 45. an extrusion rod; 46. a plug; 47. a third spring; 48. cylindrical cams; 49. a first rotating plate; 410. a positioning rod; 411. a second rotating plate; 412. a moving block; 413. a slide block; 414. a connecting rod; 415. a spool; 5. a positioning mechanism; 51. a mounting cylinder; 52. a clamping rod; 53. a fourth spring; 54. a connecting rope; 55. a card; 6. a quick connector female buckle; 7. an extrusion groove; 8. a mounting groove; 9. ball clamping; 10. a first spring; 11. pulling a barrel; 12. a first mounting frame; 13. a second push rod; 14. a second spring; 15. a baffle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-19, the present invention provides a quick connector with a non-return function and a method of using the same, comprising: the quick connector pin 1, the clamping groove 2, the first push rod 3, the check mechanism 4, the positioning mechanism 5, the quick connector box 6, the extrusion groove 7, the mounting groove 8, the clamping ball 9, the first spring 10, the pull cylinder 11, the first mounting frame 12, the second push rod 13, the second spring 14 and the baffle 15, the clamping groove 2 is circumferentially arranged on the right side of the outer wall of the quick connector pin 1, the quick connector pin 1 is used for carrying out pipeline connection and delivering liquid, the first push rod 3 is arranged on the right side of the inner cavity of the quick connector pin 1, the first push rod 3 is used for pushing the second push rod 13 to move to the right side, the check mechanism 4 is arranged in the inner cavity of the quick connector pin 1, the check mechanism 4 can prevent liquid backflow and can allow free flow of fluid under specific conditions, the number of the positioning mechanisms 5 is two, the two positioning mechanisms 5 are respectively arranged on the front side and the rear side of the quick connector pin 1, the positioning mechanism 5 and the non-return mechanism 4 are corresponding in position, the positioning mechanism 5 is used for fixing the first rotating plate 49, the quick connector female buckle 6 is sleeved on the right side of the outer wall of the quick connector male buckle 1, the left side of the outer wall of the quick connector female buckle 6 is provided with the extrusion groove 7 along the circumferential direction, the outer side of the inner cavity of the extrusion groove 7 is provided with a plurality of mounting grooves 8 along the circumferential direction at equal intervals, the cooperation of the quick connector female buckle 6 and the quick connector male buckle 1 can be used for pipeline connection and liquid delivery, the clamping ball 9 is matched and inserted into the inner cavity of the mounting groove 8, the clamping ball 9 is matched and inserted into the inner cavity of the clamping groove 2, the quick connector male buckle 1 and the quick connector female buckle 6 can be fixedly connected by utilizing the cooperation between the clamping ball 9 and the clamping groove 2, the inner diameter of the inner cavity inner side of the mounting groove 8 is smaller than the diameter of the clamping ball 9, the clamping ball 9 can be prevented from moving out of the inner cavity of the mounting groove 8, the first spring 10 is sleeved in the inner cavity of the extrusion groove 7, the right-hand member joint of first spring 10 is inboard in the inner chamber of extrusion groove 7, first spring 10 is rotary spring, receive external force extrusion or tensile back and take place elastic deformation, the external force is got rid of the back and is restored to initial condition, first spring 10 is used for promoting pull tube 11 to the left side here, pull tube 11 cup joints in the outer wall left side of quick-operation joint box 6, the inboard slidable looks adaptation of pull tube 11 is pegged graft in the inner chamber of extrusion groove 7, the left end joint of first spring 10 is in the outer wall of pull tube 11, pull tube 11 is used for sheltering from card ball 9, first mounting bracket 12 sets up in the inner chamber of quick-operation joint box 6, first mounting bracket 12 is used for supporting second push rod 13, the slidable looks adaptation of second push rod 13 is pegged graft in the inner chamber of first mounting bracket 12, the position of second push rod 13 corresponds with the position of first push rod 3, the left end of second push rod 13 contacts with the right-hand member of first push rod 3, second push rod 13 is used for driving separation blade 15 to remove, second spring 14 cup joints in the outer wall of second push rod 13, the right side 12 joint in first spring 14 is in the inner chamber 12 joint box is in the outer chamber of first push rod 6, the inner diameter of second spring 15 is for sheltering from the inner chamber 15, the inner diameter of second push rod 15 is in the inner chamber 15 is for the expansion joint box 6 to take place after the inner diameter is fully, the expansion joint box 15 is in the inner chamber 15 is for the expansion joint box 6, the inner diameter is fully to be kept off at the inner diameter of the inner chamber 15, the inner diameter of the spring 15 is left side is for the expansion joint box 15, the inner diameter is guaranteed to be left side is left in the inner diameter of the expansion joint box 15 is left side to be used for the expansion joint, and can be left outside in the inner diameter of the expansion joint box 6, the inner diameter is left side is left and can be used to be left to be completely to be left to the side to and can to the left.
Preferably, the check mechanism 4 further includes: the second mounting frame 41, the moving groove 42, the sliding groove 43, the guide rod 44, the extrusion rod 45, the plug 46, the third spring 47, the cylinder cam 48, the first rotating plate 49, the positioning rod 410, the second rotating plate 411, the moving block 412, the sliding block 413, the connecting rod 414 and the sliding column 415, the second mounting frame 41 is arranged in the inner cavity of the quick connector male buckle 1, the moving groove 42 penetrating left and right is arranged at the front and back ends of the left side of the second mounting frame 41 along the front and back direction, the sliding groove 43 is arranged at the upper and lower sides of the inner cavity of the moving groove 42 along the front and back direction, the second mounting frame 41 is used for supporting the extrusion rod 45, the front and back ends of the guide rod 44 are respectively arranged at the front and back sides of the inner cavity of the sliding groove 43, the extrusion rod 45 is slidably matched and inserted in the inner cavity of the second mounting frame 41, the extrusion rod 45 is used for driving the plug 46 to move, the plug 46 is arranged at the right end of the extrusion rod 45, the right side of the plug 46 is contacted with the inner wall of the quick connector male buckle 1, the plug 46 is used for shielding the inner cavity of the quick connector male buckle 1 to prevent liquid from flowing reversely, the third spring 47 is sleeved on the outer wall of the extrusion rod 45, the right end of the third spring 47 is clamped on the left side of the plug 46, the left end of the third spring 47 is clamped on the right side of the second mounting frame 41, the third spring 47 is a rotary spring and is extruded or stretched by external force to generate elastic deformation, the external force is removed and then returns to an initial state, the third spring 47 is used for pushing the plug 46 to move rightwards, the number of the cylindrical cams 48 is two, the inner ends of the two cylindrical cams 48 are respectively rotatably arranged on the inner sides of the inner cavities of the two sliding grooves 43 through bearings, the outer ends of the cylindrical cams 48 extend out of the outer wall of the quick connector male buckle 1, the cylindrical cams 48 are the prior art, the cylindrical cams 48 are not excessively detailed in the prior art, the cylindrical cams 48 are used for driving the moving block 412 to move, the first rotating plates 49 are arranged at the outer ends of the cylindrical cams 48, the positioning rods 410 are arranged at the outer sides of the two first rotating plates 49 at equal intervals along the circumferential direction, the positioning rods 410 and the clamping rods 52 are matched to fix the first rotating plates 49, the inner sides of the second rotating plates 411 are arranged at the outer ends of the positioning rods 410, the sliding blocks 412 are slidably matched and inserted into the inner cavities of the sliding grooves 42, the sliding blocks 412 are slidably sleeved on the outer walls of the cylindrical cams 48, the sliding blocks 412 and the connecting rods 414 are matched to drive the extrusion rods 45 to move, the sliding columns 415 are arranged at the right sides of the inner cavities of the sliding blocks 412, the sliding columns 415 are slidably matched and inserted into the outer sides of the inner cavities of the cylindrical cams 48, the sliding blocks 412 can be driven to move through the matching between the cylindrical cams 48 and the sliding columns 415, the four sliding blocks 413 are respectively arranged at the upper side and the lower side of the two moving blocks 412, the sliding blocks 413 are slidably matched and inserted into the inner cavities of the sliding grooves 43, the sliding blocks 413 are slidably matched and sleeved on the outer walls of the sliding blocks 44, the sliding blocks 414 are slidably matched and the sliding blocks 414 are rotatably arranged at the left ends of the two connecting rods through pin shafts 45.
Preferably, the positioning mechanism 5 further includes: the number of the mounting cylinders 51 is two, the two mounting cylinders 51 are respectively arranged at the front side and the rear side of the quick connector male buckle 1, the clamping rods 52 are slidably matched and inserted into the inner cavities of the mounting cylinders 51, the top ends of the clamping rods 52 extend out of the top ends of the mounting cylinders 51, the positions of the clamping rods 52 correspond to the positions of the positioning rods 410, the clamping rods 52 and the positioning rods 410 can be matched to fix the first rotating plates 49, the fourth springs 53 are sleeved at the bottom ends of the outer walls of the clamping rods 52, the bottom ends of the fourth springs 53 are clamped at the bottom ends of the inner cavities of the mounting cylinders 51, the top ends of the fourth springs 53 are clamped at the outer walls of the clamping rods 52, the fourth springs 53 are rotary springs, are elastically deformed after being extruded or stretched by external force, the external force is removed, the fourth springs 53 are used for pushing the clamping rods 52 to move upwards, one ends of the connecting ropes 54 are arranged at the outer walls of the mounting cylinders 51, one sides of the clamping rods 55 are arranged at the other ends of the connecting rods 54, the detachable outer walls of the clamping rods 55 are sleeved at the bottom ends of the clamping rods 52, the bottom ends of the clamping rods 52 are contacted with the bottom ends of the clamping rods 55, and the bottom ends of the clamping rods 52 are contacted with the bottom ends of the clamping rods 52, and the bottom ends of the clamping rods 55 are contacted with the clamping rods 52, and the bottom ends of the clamping rods 52 are contacted with each other and fixed by the clamping rods 55.
The application method of the quick connector with the non-return function specifically comprises the following steps:
when the pipelines are required to be connected, the left end of the quick connector male buckle 1 and the right end of the quick connector female buckle 6 are respectively connected with the inner cavities of the two pipelines in a threaded manner, so that the connection of the pipelines can be realized, when liquid is required to be conveyed, the liquid is conveyed into the inner cavity of the quick connector female buckle 6 through a conveying pipe and is conveyed into the inner cavity of the quick connector male buckle 1 to be contacted with the plug 46 through the inner cavity of the quick connector female buckle 6, after the pressure of the conveyed liquid reaches a certain value, the plug 46 can be extruded to move leftwards by utilizing pressure, the third spring 47 is extruded to elastically deform, meanwhile, the extrusion rod 45 moves leftwards, the moving block 412 can be pulled to move inwards through the connecting rod 414, the moving block 412 can drive the first rotary plate 49 to rotate anticlockwise through the cooperation between the sliding column 415 and the cylindrical cam 48 until the plug 46 moves to a proper position, and therefore the liquid in the inner cavity of the quick connector male buckle 1 can flow into the inner cavity of the conveying pipe connected with the quick connector male buckle 1 through the inner cavity of the quick connector male buckle 1;
step two, when the operation such as maintenance, maintenance and exhaust needs to be performed on the hydraulic system and the quick connector needs to be disconnected, the pull cylinder 11 is pulled to the right side, and the first spring 10 is extruded to elastically deform until the pull cylinder 11 is pulled to a proper position, at the moment, the shielding and positioning of the pull cylinder 11 on the clamping ball 9 are released, the clamping ball 9 can be moved outwards by using the clamping groove 2 until the clamping ball 9 completely moves out of the inner cavity of the clamping groove 2, the fixation between the quick connector male buckle 1 and the quick connector female buckle 6 can be released, the quick connector female buckle 6 can be pulled to the right side to separate the quick connector male buckle 1 from the quick connector female buckle 6, meanwhile, the first installation frame 12 can be driven to move to the right side when the quick connector female buckle 6 moves to the right side, and the second push rod 13 can be driven to move to the left side under the elastic force of the second spring 14 until the blocking piece 15 is contacted with the inner cavity left side of the quick connector female buckle 6, the blocking piece 15 can be used for shielding the inner cavity of the quick connector female buckle 6, the liquid in the inner cavity of the quick connector female buckle 6 is prevented from leaking, and the liquid in the inner cavity of the quick connector female buckle 6 is not needed to be supplied, and the operation is convenient;
step three, when operations such as debugging, exhausting and maintaining are required to be performed on the hydraulic system, and when a liquid is required to have a backflow function, the second rotating plate 411 is rotated anticlockwise, the cylindrical cam 48 can be driven to rotate anticlockwise by utilizing the cooperation between the positioning rod 410 and the first rotating plate 49, the cylindrical cam 48 can be driven to move inwards by utilizing the cooperation between the cylindrical cam 48 and the sliding column 415 through anticlockwise rotation of the cylindrical cam 48, the sliding column 415 can be driven to move inwards by utilizing the cooperation between the cylindrical cam 48 and the sliding column 415, the moving block 412 can move inwards, the extruding rod 45 can be driven to move leftwards by utilizing the connecting rod 414, the third spring 47 is extruded to elastically deform, the inner cavity of the quick connector male buckle 1 can be further leaked out, the check function of the quick connector male buckle 1 can be further relieved, the smooth operations such as exhausting, debugging and maintaining can be performed through a pipeline can be facilitated, the card 55 can be pulled out outwards until the card 55 is separated from the card 52, the fixing of the card 52 can be relieved, the card 52 can be pushed upwards under the action of the elasticity of the fourth spring 53 until the card 52 is inserted between two adjacent positioning rods 410 corresponding to the positions, the two adjacent positioning rods 410 can be further fixed by utilizing the adjacent positioning rods 410, and the first rotating plates can be further fixed by utilizing the positioning rods 49.
In summary, the device not only has the non-return function, can prevent the backflow of fluid, keeps the stable working state of the system, but also can allow the free flow of fluid under specific conditions, and in the exhaust process of the hydraulic system, the quick connector allows the smooth exhaust of the gas, so that the problem caused by the accumulation of the gas in the system is avoided, and in addition, when the quick connector pin 1 and the quick connector box 6 are required to be disconnected, the liquid supply is not required to be cut off, so that the complexity and inconvenience of the operation are reduced.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A quick connector with non-return function, comprising:
the quick connector male buckle (1), wherein a clamping groove (2) is formed in the right side of the outer wall of the quick connector male buckle (1) along the circumferential direction;
the first push rod (3) is arranged on the right side of the inner cavity of the quick connector male buckle (1);
the check mechanism (4) is arranged in the inner cavity of the quick connector male buckle (1);
the number of the positioning mechanisms (5) is two, the two positioning mechanisms (5) are respectively arranged at the front side and the rear side of the quick connector male buckle (1), and the positions of the positioning mechanisms (5) and the non-return mechanism (4) are corresponding;
the quick connector female buckle (6), the quick connector female buckle (6) is sleeved on the right side of the outer wall of the quick connector male buckle (1), an extrusion groove (7) is formed in the left side of the outer wall of the quick connector female buckle (6) along the circumferential direction, and a plurality of mounting grooves (8) are formed in the outer side of an inner cavity of the extrusion groove (7) along the circumferential direction at equal intervals;
the clamping ball (9), the clamping ball (9) is in fit connection with the inner cavity of the mounting groove (8), and the clamping ball (9) is in fit connection with the inner cavity of the clamping groove (2);
the first spring (10) is sleeved in the inner cavity of the extrusion groove (7), and the right end of the first spring (10) is clamped on the inner side of the inner cavity of the extrusion groove (7);
the pull tube (11), pull tube (11) cup joint in the outer wall left side of quick-operation joint box (6), the inboard slidable looks adaptation of pull tube (11) is pegged graft in the inner chamber of extrusion groove (7), the left end joint of first spring (10) is in the outer wall of pull tube (11).
2. A quick connector with non-return function according to claim 1, characterized in that: the inner cavity of the quick connector female buckle (6) is provided with:
the first mounting frame (12), the said first mounting frame (12) is set up in the cavity of the female buckle (6) of the fast joint;
the second push rod (13) is slidably and adaptively inserted into the inner cavity of the first mounting frame (12), the position of the second push rod (13) corresponds to the position of the first push rod (3), and the left end of the second push rod (13) is contacted with the right end of the first push rod (3);
the second spring (14) is sleeved on the outer wall of the second push rod (13), and the right end of the second spring (14) is clamped on the inner side of the first mounting frame (12);
the separation blade (15), separation blade (15) set up in the outer wall inboard of second push rod (13), the left end joint of second spring (14) is in the right side of separation blade (15).
3. A quick connector with non-return function according to claim 2, characterized in that: the non-return mechanism (4) comprises:
the second installation frame (41), the second installation frame (41) is arranged in the inner cavity of the quick connector male buckle (1), the front and rear ends of the left side of the second installation frame (41) are provided with left and right through moving grooves (42) along the front and rear direction, and the upper and lower sides of the inner cavity of the moving grooves (42) are provided with sliding grooves (43) along the front and rear direction;
the front end and the rear end of the guide rod (44) are respectively arranged at the front side and the rear side of the inner cavity of the chute (43);
the extrusion rod (45) is slidably and adaptively inserted into the inner cavity of the second mounting frame (41);
the plug (46) is arranged at the right end of the extrusion rod (45), and the right side of the plug (46) is contacted with the inner wall of the quick connector male buckle (1);
the third spring (47), third spring (47) cup joints in the outer wall of extrusion stem (45), the right-hand member joint of third spring (47) is in the left side of end cap (46), the right-hand member joint of third spring (47) is in the right side of second mounting bracket (41).
4. A quick connector with non-return function according to claim 3, characterized in that: the non-return mechanism (4) further comprises:
the number of the cylindrical cams (48) is two, the inner ends of the two cylindrical cams (48) are rotatably arranged at the inner sides of the inner cavities of the two sliding grooves (43) respectively through bearings, and the outer ends of the cylindrical cams (48) extend out of the outer wall of the quick connector male buckle (1);
a first rotating plate (49), wherein the first rotating plate (49) is arranged at the outer end of the cylindrical cam (48);
the number of the positioning rods (410) is a plurality, and the positioning rods (410) are respectively arranged at the outer sides of the two first rotating plates (49) at equal intervals along the circumferential direction;
the inner side of the second rotating plate (411) is arranged at the outer end of the positioning rod (410);
the movable block (412), the slidable looks adaptation of the said movable block (412) is pegged graft in the inner chamber outside of the movable trough (42), the said movable block (412) is slidably cup jointed to the outer wall of the cylinder cam (48);
the sliding column (415) is arranged on the right side of the inner cavity of the moving block (412), and the sliding column (415) is slidably and adaptively inserted and connected to the outer side of the inner cavity of the cylindrical cam (48);
the number of the sliding blocks (413) is four, the four sliding blocks (413) are respectively arranged on the upper side and the lower side of the two moving blocks (412), the sliding blocks (413) are slidably matched and inserted into the inner cavity of the sliding groove (43), and the sliding blocks (413) are slidably sleeved on the outer wall of the guide rod (44);
the number of the connecting rods (414) is two, one ends of the two connecting rods (414) are rotatably arranged on the left sides of the two moving blocks (412) through pin shafts respectively, and the other ends of the connecting rods (414) are rotatably arranged on the left ends of the extrusion rods (45) through pin shafts.
5. The quick connector with non-return function according to claim 4, wherein: the positioning mechanism (5) comprises:
the number of the mounting cylinders (51) is two, and the two mounting cylinders (51) are respectively arranged at the front side and the rear side of the quick connector male buckle (1);
the clamping rod (52) is in sliding fit connection with the inner cavity of the mounting cylinder (51), the top end of the clamping rod (52) extends out of the top end of the mounting cylinder (51), and the position of the clamping rod (52) corresponds to the position of the positioning rod (410);
the fourth spring (53) is sleeved at the bottom end of the outer wall of the clamping rod (52), the bottom end of the fourth spring (53) is clamped at the bottom end of the inner cavity of the mounting cylinder (51), and the top end of the fourth spring (53) is clamped at the outer wall of the clamping rod (52);
a connecting rope (54), wherein one end of the connecting rope (54) is arranged on the outer wall of the mounting cylinder (51);
the card (55), one side of card (55) sets up in the other end of connecting rope (54), card (55) detachable cup joints in the outer wall bottom of card pole (52), the bottom and the card pole (52) of card (55) contact, the top of card (55) contacts with the bottom of installation section of thick bamboo (51).
6. The quick connector with non-return function according to claim 5, wherein: the inner diameter of the inner side of the inner cavity of the mounting groove (8) is smaller than the diameter of Yu Kaqiu (9).
7. The quick connector with non-return function according to claim 6, wherein: the diameter of the baffle sheet (15) is larger than the inner diameter of the left side of the inner cavity of the quick connector female buckle (6).
8. The method for using a quick connector with a non-return function according to claim 7, wherein: the method comprises the following steps:
when the pipelines are required to be connected, the left end of the quick connector male buckle (1) and the right end of the quick connector female buckle (6) are respectively connected with the inner cavities of the two pipelines in a threaded manner, when liquid is required to be conveyed, the liquid is conveyed into the inner cavity of the quick connector female buckle (6) through a conveying pipe and conveyed into the inner cavity of the quick connector male buckle (1) through the inner cavity of the quick connector female buckle (6) to be contacted with the plug (46), after the conveyed liquid pressure reaches a certain value, the plug (46) can be extruded to move leftwards by utilizing pressure, the third spring (47) is extruded to elastically deform, meanwhile, the moving block (412) can be pulled to move inwards by virtue of the connecting rod (414), and the moving block (412) can move inwards to drive the first rotating plate (49) to rotate anticlockwise through the matched cylinder cam (48) between the sliding column (415) and the cylinder cam (48), so that the liquid in the inner cavity of the quick connector male buckle (1) can flow into the inner cavity of the quick connector male buckle (1) through the inner cavity of the quick connector male buckle (1) to be connected with the inner cavity of the quick connector male buckle (1);
step two, when the hydraulic system needs to be maintained, maintained and the quick connector is required to be disconnected in the exhaust operation, the pull cylinder (11) is pulled to the right side, the first spring (10) is extruded to elastically deform until the pull cylinder (11) is pulled to a proper position, at the moment, the blocking and positioning of the pull cylinder (11) on the blocking ball (9) are released, the blocking ball (9) can be moved outwards by utilizing the blocking groove (2) until the blocking ball (9) completely moves out of the inner cavity of the blocking groove (2), the fixation between the quick connector male buckle (1) and the quick connector female buckle (6) can be released, the quick connector female buckle (6) can be separated from the quick connector male buckle (1) and the quick connector female buckle (6) by pulling to the right side, and meanwhile, the first mounting frame (12) can be driven to move to the right side by the elastic force of the second spring (14), the second push rod (13) can drive the blocking piece (15) to move to the left side until the blocking piece (15) and the inner cavity of the quick connector female buckle (6) are blocked by utilizing the elastic force of the second spring (14), and the inner cavity of the quick connector female buckle (6) can be prevented from leaking out of the inner cavity (6) of the quick connector female buckle (6);
step three, when the hydraulic system needs to be debugged, exhausted and maintained, and liquid needs to have a backflow function, the second rotating plate (411) is rotated anticlockwise, the cylinder cam (48) can be driven to rotate anticlockwise by utilizing the cooperation between the positioning rod (410) and the first rotating plate (49) through the second rotating plate (411), the cylinder cam (48) can be driven to move the sliding column (415) inwards by utilizing the cooperation between the cylinder cam (48) and the sliding column (415), the sliding column (415) can be driven to move inwards by utilizing the cooperation between the cylinder cam (48) and the sliding column (415), the moving block (412) can move inwards by utilizing the connecting rod (414) to push the extrusion rod (45) to drive the plug (46) to move leftwards, and the third spring (47) is extruded to elastically deform, so that the inner cavity of the quick connector pin (1) can be leaked, the check function of the quick connector pin (1) can be relieved, the card (55) can be pulled outwards through smooth exhausting, debugging and maintenance operation can be carried out through a pipeline until the card (55) is separated from the card (52), namely, the card (52) can be released to be fixed, namely, the card (52) can be pushed to move upwards under the action of the spring (53) and the elastic force of the clamping rod (52) to be inserted into the adjacent rod (52), furthermore, the first rotating plate (49) can be fixed by utilizing the cooperation between the clamping rod (52) and the two adjacent positioning rods (410), and the first rotating plate (49) is prevented from rotating, so that the position of the plug (46) can be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311036240.2A CN116753381B (en) | 2023-08-17 | 2023-08-17 | Quick connector with non-return function and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311036240.2A CN116753381B (en) | 2023-08-17 | 2023-08-17 | Quick connector with non-return function and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116753381A true CN116753381A (en) | 2023-09-15 |
| CN116753381B CN116753381B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311036240.2A Active CN116753381B (en) | 2023-08-17 | 2023-08-17 | Quick connector with non-return function and use method |
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| Country | Link |
|---|---|
| CN (1) | CN116753381B (en) |
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| Publication number | Publication date |
|---|---|
| CN116753381B (en) | 2023-11-03 |
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