CN220910771U - Quick connector - Google Patents

Abstract

The utility model discloses a quick connector, which relates to the technical field of pipeline connection, and comprises a male connector and a female connector which are mutually spliced along the axial direction, wherein one ends of the male connector and the female connector, which are far away from each other, are respectively fixedly connected with a first connector and a second connector for connecting a pipeline, one end of the male connector, which is far away from the first connector, is provided with a first through hole for liquid to circulate, a plugging piece for plugging the first through hole is movably connected in the first through hole, the female connector is hollow, a sliding piece is connected in the female connector in an axial sliding manner, a second through hole communicated with the first through hole is formed in the sliding piece, a jack post for jacking the plugging piece is fixedly connected in the second connector, the jack post can penetrate through the second through hole, and a splicing structure for limiting the male connector from being axially far away along the female connector is arranged on the female connector. Through setting up the grafting structure, utilize elastic component one, elastic component two and elastic component three's cooperation, reach quick assembly disassembly's effect, and also can accomplish quick assembly disassembly under operating condition, improved work efficiency.

Description

Quick connector

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to a quick connector.

Background

The quick connector is a connector capable of realizing connection or disconnection of a pipeline without tools, is widely applied to the fields of chemicals, water treatment, water cooling systems, beverage machines and the like, is used for conveying liquid or gas raw materials, and can realize quick connection and disconnection of the pipeline, so that the quick connector is widely applied to production and life of people.

The existing quick connector is mostly used for butt joint of two pipelines in a threaded mode, when the quick connector is disassembled, the connector is hollow, so that liquid in the pipeline can leak from the street corner during disassembly, and therefore the quick connector is required to be connected or disconnected under the condition of closing the pipelines, so that the quick connector is inconvenient to disassemble and assemble, and the working efficiency is influenced.

There is therefore a need to propose a new solution to this problem.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a quick connector, and the arrangement of the structure enables the whole structure to be quickly disassembled and assembled in a working state.

The technical scheme of the utility model is as follows:

The utility model provides a quick-operation joint, includes public head and female head of pegging graft each other along the axial, the one end that public head and female head kept away from each other is fixedly connected with respectively and is used for connecting first and the connector second of pipeline, the through-hole first that supplies the liquid circulation is seted up to the one end that the connector was kept away from to public head, swing joint has the shutoff piece that is used for shutoff through-hole first in the through-hole, female head is hollow form, there is the slider along its axial sliding connection in the female head, set up the through-hole second with through-hole first intercommunication on the slider, the jack-prop that is used for pushing up the shutoff piece of fixedly connected with in the connector second, jack-prop can pass through the through-hole second, be equipped with on the female head and be used for restricting public head along female head axial distance away from grafting structure, grafting structure includes along the radial locating part that inserts in it of female head, set up on the lateral wall of public head with locating part complex spacing groove.

The plug is further provided with a first elastic piece used for driving the plug to extend into the first through hole, and a second elastic piece used for driving the sliding piece to enable the end part of the top column to be located in the second through hole is arranged in the female head.

The utility model further provides that the plug-in structure further comprises an elastic piece III for driving the limiting piece to reset along the radial direction of the female head.

The utility model is further characterized in that the female head is provided with an embedded opening for inserting the limiting piece into the female head, the cross section of the limiting piece is annular, the limiting groove is also annular, the embedded opening penetrates through the female head, the inner diameter of the limiting piece is equal to the aperture of the female head, the outer diameter of the limiting piece is smaller than the outer diameter of the female head, and one end of the limiting piece is provided with a limiting part which can be inserted into the limiting groove.

The utility model is further arranged that one end of the limiting piece far away from the limiting part extends out of the female head and is provided with the blocking part, and the cross section area of the blocking part is larger than that of the embedded opening.

The utility model is further arranged that one end of the elastic piece III is abutted against the peripheral wall of the female head, the other end of the elastic piece III is abutted against one side of the blocking part, which is close to the limiting part, and the elastic piece III has elastic deformation performance for driving the blocking part to be far away from the female head along the radial direction of the female head.

The utility model further provides that the elastic piece III adopts a conical spring, and the thick head end of the elastic piece III is abutted against the side wall of the female head.

The utility model is further characterized in that the outer side wall of the female head is fixedly connected with a support column, and the thick head end of the elastic piece III is sleeved on the outer peripheral wall of the support column.

The beneficial technical effects of the utility model are as follows:

Through setting up the grafting structure, utilize elastic component one, elastic component two and elastic component three's cooperation, reach quick assembly disassembly's effect, and when dismantling, utilize elastic component one and elastic component two's reset, accomplish public head and female head's self-closing, avoid when public head and female head separation, liquid in its water pipe leaks from public head and female head department for whole quick-connect joint also can dismantle at the during operation, the maintenance and the maintenance of whole quick-connect joint of being convenient for.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is a schematic diagram of the structure of the male head of the present utility model;

FIG. 5 is an exploded view of the male end of the present utility model;

FIG. 6 is a schematic view of the structure of the female of the present utility model;

FIG. 7 is an exploded view of the female of the present utility model;

FIG. 8 is a schematic view of the female head after insertion of the stop member of the present utility model;

FIG. 9 is a cross-sectional view of the female head after insertion of the stop member of the present utility model;

In the figure, 1, a male; 11. a first connector; 12. a first through hole; 13. an elastic piece I; 14. a limit groove; 15. a guide piece; 2. a female head; 21. a second connector; 22. an elastic piece II; 23. an embedding port; 231. a blocking surface; 24. a support column; 3. a blocking member; 31. a first sliding block; 4. a fixed block; 41. a top column; 411. a blocking part; 42. a slider; 421. a second through hole; 422. a second slide block; 5. a limiting piece; 51. a restriction portion; 511. a protruding portion; 512. a guide surface; 52. a blocking portion; 53. an elastic member III; 6. a seal ring; 7. a rubber sleeve.

Detailed Description

In order that the manner in which the above recited features of the present utility model are attained and can be understood in detail, a more particular description of the utility model, briefly summarized below, may be had by reference to the appended drawings and examples, which are illustrated in their embodiments, but are not intended to limit the scope of the utility model.

The utility model provides a quick-operation joint, as shown in fig. 1-9, including public head 1 and female head 2 of pegging graft each other, the one end that public head 1 and female head 2 kept away from each other is fixedly connected with connector one 11 and connector two 21 respectively, and the external screw thread is used for connecting the pipeline has been seted up to the one end that connector one 11 and connector two 21 kept away from each other, is equipped with the grafting structure that is used for restricting public head 1 and keeps away from along female head 2 axial on the female head 2, and female head 2 outside cover is equipped with rubber sleeve 7 to the whole female head 2 of protection, prevents its damage.

As shown in fig. 1-9, the first connector 11 and the second connector 21 are hollow, a first through hole 12 through which liquid passes is formed at one end of the male connector 1 away from the first connector 11, a plugging piece 3 is slidably connected in the first through hole 12, a first sliding block 31 is integrally connected at one end of the plugging piece 3 close to the first connector 11, a first sliding groove matched with the first sliding block 31 is formed in the male connector 1, the first sliding groove is communicated with the first through hole 12, and the sliding track of the plugging piece 3 is limited by the matching of the first sliding block 31 and the first sliding groove, so that the plugging piece 3 is prevented from being separated from the first through hole 12 along the axial direction. The sealing ring 6 is sleeved on the peripheral wall of one end, far away from the first slider 31, of the plugging piece 3, and when the first through hole 12 is plugged by the plugging piece 3, the sealing effect of the plugging piece 3 is guaranteed by the sealing ring 6. A groove communicated with the first sliding groove is formed in one end, close to the first male head 1, of the first connector 11, the aperture of the groove is larger than that of the first connector 11, an elastic piece I13 is installed in the groove, the elastic piece I13 is a spring, one end of the elastic piece I13 is abutted against the inner wall of the groove, the other end of the elastic piece I13 extends into the first male head 1 and abuts against the first sliding block 31, the elastic piece I13 has elastic deformation performance for pushing the plugging piece 3 to be away from the first connector 11, and the elastic piece I13 is utilized to push the plugging piece 3 to move until being inserted into the first through hole 12, so that sealing is completed. The cross section of the first slider 31 is semicircular, one end of the first elastic member 13 is abutted against the first slider 31, and a communication port for liquid circulation is formed in the first slider 31, so that when the plugging member 3 moves into the male head 1 and then is positioned in the first chute, liquid can pass through the communication port.

As shown in fig. 1-9, a fixed block 4 is fixedly connected in the second connector 21, a jack post 41 is integrally formed on one side, away from the second connector 21, of the fixed block 4, the jack post 41 extends towards the inside of the female connector 2, a sliding piece 42 is sleeved on the outer peripheral wall of the jack post 41, a second through hole 421 is formed in the middle of the sliding piece 42, the second through hole 421 corresponds to the first through hole 12, the diameter of the second through hole 421 is equal to that of the first through hole 12, a plugging portion 411 for plugging the second through hole 421 is integrally formed at one end, away from the fixed block 4, of the jack post 41, the cross section of the plugging portion 411 is larger than that of the jack post 41, so that after the plugging portion 411 passes through the sliding piece 42, the cross section of the jack post 41 is smaller, liquid can smoothly pass through, the cross section of the fixed block 4 is set to be annular, the cross section of the jack post 41 is set to be cross-shaped, and is integrally formed with the inner wall of the fixed block 4, so that the jack post 41 can not completely plug the inner hole of the fixed block 4, and liquid can smoothly pass through the fixed block 4. An annular groove is formed in the peripheral wall of the plugging portion 411, and a sealing ring 6 is embedded in the annular groove to ensure the sealing effect of the plugging portion 411 when the second through hole 421 is plugged. The outer peripheral wall of the top column 41 is also sleeved with a second elastic member 22, one side, close to the top column 41, of the sliding member 42 is provided with a cavity into which the second elastic member 22 extends, one end of the second elastic member 22 is abutted against the inner wall of the cavity, the other end of the second elastic member 22 is abutted against the fixed block 4, and the second elastic member 22 adopts a telescopic spring and has elastic deformation potential energy for pushing the sliding member 42 to be far away from the fixed block 4. The sliding piece 422 is integrally formed on the peripheral wall of the end, close to the fixed block 4, of the sliding piece 42, the section of the sliding piece 422 is annular, the sliding groove II is integrally formed on the inner wall of the female head 2 and matched with the sliding piece 422, one end of the sliding groove II extends towards and penetrates through the end, close to the connector, of the female head 2, the sliding piece 422 and the sliding groove II are arranged, the moving track of the sliding piece 42 is limited, the sliding piece 42 is prevented from moving, the sliding piece 42 passes through the jacking column 41, and when the sliding piece 422 moves to be attached to the inner wall of the sliding groove II, the plugging portion 411 on the jacking column 41 is located in the through hole II 421 of the sliding piece 42, so that the sealing effect is guaranteed.

As shown in fig. 1-9, the plugging structure includes a limiting member 5 moving radially along the female head 2 and an elastic member III 53 for driving the limiting member 5 to reset radially along the female head 2, the cross section of the limiting member 5 is annular, the female head 2 is provided with an embedded opening 23 for inserting the limiting member 5 into the female head 2, the embedded opening 23 penetrates through the female head 2, the peripheral wall of the male head 1 is provided with a limiting groove 14 matched with the limiting member 5, the cross section of the limiting groove 14 is annular, the inner diameter of the limiting member is equal to the aperture of the female head 2, the outer diameter of the limiting member is smaller than the outer diameter of the female head 2, one end of the limiting member 5 is integrally formed with a limiting portion 51 capable of being inserted into the limiting groove 14, one end of the limiting member 5 away from the limiting portion 51 extends out of the female head 2 and is integrally formed with a blocking portion 52, the cross section of the blocking portion 52 is larger than the cross section of the embedded opening 23, and the blocking portion 52 is arranged so that the limiting member 5 cannot further penetrate the female head 2 from the embedded opening 23.

As shown in fig. 1-9, the third elastic member 53 adopts a conical spring, the thick end of the third elastic member 53 abuts against the peripheral wall of the female head 2, the other end of the third elastic member 53 is a conical end abutting against one side of the blocking portion 52 close to the limiting portion 51, the third elastic member 53 has elastic deformation performance for driving the blocking portion 52 to be far away from the female head 2 along the radial direction of the female head 2, so that the blocking portion 52 is driven to extend into the limiting groove 14 by utilizing the elasticity of the third elastic member 53, the limiting effect on the male head 1 is completed, and the male head 1 is limited to be far away from the female head 2 along the axial direction of the female head 2; and the third elastic piece 53 adopts a conical spring, and the conical spring has good deformation quantity, so that compared with a common spring, the elastic effect is better, and the movement of the limiting piece 5 is more convenient. The outer peripheral wall of the female head 2 is integrally connected with the support column 24 at a position close to the blocking part 52, the thick head end of the elastic element III 53 is sleeved on the outer peripheral wall of the support column 24, the elastic element III 53 is supported by the support column 24, deflection of the elastic element III 53 during deformation is prevented, and therefore the use of the elastic element III 53 is ensured. The both sides of restriction portion 51 extend towards the locating part 5 outside and are formed with bulge 511, offer on the inner wall of embedded mouth 23 with bulge 511 complex stop face 231, stop face 231's setting and bulge 511 cooperation avoid the elastic component three 53 drive stop portion 52 to keep away from female head 2 along female head 2 is radial when, and whole locating part 5 breaks away from female head 2 has guaranteed the stability of structure.

As shown in fig. 1-9, a guide surface 512 is formed on one side of the limiting portion 51, which is close to the blocking portion 52, a guide piece 15 matched with the guide surface 512 is integrally formed on one end, which is far away from the first connector 11, of the peripheral wall of the male head 1, when the male head 1 is inserted into the female head 2, the guide piece 15 on the male head 1 will first contact the guide surface 512 on the limiting portion 51 for continuous insertion, and through the cooperation between the guide piece 15 and the guide surface 512, a good guiding effect is achieved, so that the limiting portion 51 is far away from the surface of the male head 1 along the radial direction of the female head 2, at this time, the third elastic piece 53 deforms, when the male head 1 is completely inserted into the female head 2, the limiting portion 51 corresponds to the position of the limiting groove 14, the third elastic piece 53 is not affected by external force, and is elastically reset by itself, so that the limiting portion 51 extends into the limiting groove 14 to complete the limiting of the male head 1, and the male head 1 is prevented from being separated from the female head 2.

Working principle: when the quick connector is required to be connected, the first connector 11 and the second connector 21 are respectively and fixedly connected to the ends of the male connector 1 and the female connector 2, which are far away from each other, the guide piece 15 on the male connector 1 can be firstly contacted with the guide surface 512 on the limiting part 51 to be continuously inserted by inserting the male connector 1 into the female connector 2, the limiting part 51 is far away from the surface of the male connector 1 along the radial direction of the female connector 2 by the guide effect, at the moment, the third elastic piece 53 deforms, when the male connector 1 is completely inserted into the female connector 2, the limiting part 51 corresponds to the position of the limiting groove 14, the third elastic piece 53 is not influenced by external force, and the limiting part 51 stretches into the limiting groove 14 by elastic reset of the third elastic piece, so that the fixing of the male connector 1 and the female connector 2 is completed; meanwhile, the top column 41 in the female head 2 is communicated with the second through hole 421 through the first through hole 12, and enters the shell of the male head 1, the plugging part 411 at the top of the top column 41 pushes the plugging piece 3 in the male head 1, so that the plugging piece 3 moves in the first chute in the male head 1 until completely moving into the first chute, at the moment, the first elastic piece 13 is compressed by external force, the end face of the male head 1 pushes the sliding piece 42 in the female head 2 to move towards the second connector 21 in the shell of the female head 2, at the moment, the second elastic piece 22 is compressed by external force, so that the plugging part 411 of the top column 41 completely extends out of the sliding piece 42, the communication between the first through hole 12 and the second through hole 421 is completed, and a communication port for liquid circulation is formed in the first sliding block 31 on the plugging piece 3, when the plugging piece 3 moves into the first chute, the liquid can pass through the communication port, and after the plugging part 411 passes through the sliding piece 42, the communication between the male head 1 and the female head 2 can be smoothly completed due to the smaller sectional area of the top column 41; because the male head 1 and the female head 2 are fixed, the elastic piece I13 and the elastic piece II 22 are continuously subjected to external force and are continuously in a pressed state.

Through to connector one 11 and connector two 21 threaded connection water pipe, in the liquid can enter into female head 2 through the water pipe, because the cross-section of jack-prop 41 is cross for liquid can be from through fixed block 4, enter into slider 42 in, through-hole two 421 on the slider 42 passes through to through-hole one 12, and the intercommunication mouth that the slider one 31 on the shutoff piece 3 offered passes through, makes rivers can circulate.

When the quick connector needs to be disassembled, the blocking part 52 is pressed, the elastic piece III 53 is compressed by external force, the limiting part 51 is separated from the limiting groove, the elastic piece II 22 is not affected by external force, the elastic piece II is reset through the elasticity of the elastic piece II, the sliding piece 42 is pushed to move away from the direction of the joint II, the through hole I12 on the sliding piece 42 is combined with the plugging part 411 on the jacking column 41, meanwhile, the elastic piece I13 is not affected by external force, the plugging piece 3 is pushed to move away from the direction of the first connector 11 through the elasticity of the elastic piece I, the sliding piece 42 can also push the end face of the male head 1 to move, the male head 1 moves outwards towards the female head 2, the disassembling operation is completed, the whole operation is convenient and quick, no additional tool is needed, and the working efficiency is improved. In this process, because the reset effect of the second elastic element 22 makes the sliding element 42 move, and makes the plugging portion 411 of the top column 41 extend into the second through hole 421 to plug the second through hole 421, the automatic closing of the first female connector 2 is completed, and the plugging element 3 moves towards the first through hole 12 under the action of the first spring and plugs the first through hole 12, the automatic closing of the first male connector 1 is completed, so that the liquid in the water pipe leaks from the first male connector 1 and the second female connector 2 when the first male connector 1 and the second female connector 2 are separated, and the whole quick connector can be detached during operation, thereby facilitating the overhaul and maintenance of the whole quick connector.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims (8)

1. The utility model provides a quick-operation joint, includes public head (1) and female head (2) of following axial grafting each other, its characterized in that: the utility model discloses a plug structure that male head (1) and female head (2) keep away from each other's one end fixedly connected with be used for connecting first (11) of connector and connector two (21) of pipeline respectively, the through-hole one (12) that supplies the liquid circulation have been seted up to the one end that the connector was kept away from to male head (1), swing joint has shutoff piece (3) that are used for shutoff through-hole one (12) in through-hole one (12), female head (2) are the cavity form, there is slider (42) along its axial sliding connection in female head (2), offer on slider (42) with through-hole two (421) of through-hole one (12) intercommunication, fixedly connected with in connector two (21) is used for jack-prop (41) of jack-prop (41) through two (421), be equipped with on female head (2) and be used for restricting plug structure that male head (1) kept away from along female head (2) axial, plug structure includes along female head (2) radial spacing piece (5) in it, be equipped with on male head (1) lateral wall and spacing groove (14) with spacing piece (5).

2. The quick connector of claim 1, wherein: an elastic piece I (13) used for driving the blocking piece (3) to extend into the through hole I (12) is arranged in the male head (1), and an elastic piece II (22) used for driving the sliding piece (42) to enable the end part of the top column (41) to be located in the through hole II (421) is arranged in the female head (2).

3. The quick connector of claim 1, wherein: the plug-in structure also comprises an elastic piece III (53) for driving the limiting piece (5) to reset along the radial direction of the female head (2).

4. A quick connector according to claim 3, wherein: the novel plastic composite limiting device is characterized in that an embedded opening (23) for inserting a limiting piece (5) into the female head (2) is formed in the female head (2), the cross section of the limiting piece (5) is annular, the limiting groove (14) is also formed in an annular shape, the embedded opening (23) penetrates through the female head (2), the inner diameter of the limiting piece is equal to the aperture of the female head (2), the outer diameter of the limiting piece is smaller than the outer diameter of the female head (2), and a limiting part (51) capable of being inserted into the limiting groove (14) is arranged at one end of the limiting piece (5).

5. The quick connector of claim 4, wherein: one end of the limiting piece (5) far away from the limiting part (51) extends out of the female head (2) and is provided with a blocking part (52), and the sectional area of the blocking part (52) is larger than that of the embedded opening (23).

6. The quick connector of claim 5, wherein: one end of the elastic piece III (53) is abutted against the peripheral wall of the female head (2), the other end of the elastic piece III (53) is abutted against one side, close to the limiting part (51), of the blocking part (52), and the elastic piece III (53) has elastic deformation performance for driving the blocking part (52) to radially separate from the female head (2) along the female head (2).

7. The quick connector of claim 6, wherein: the third elastic piece (53) adopts a conical spring, and the thick head end of the third elastic piece (53) is abutted against the side wall of the female head (2).

8. The quick connector of claim 7, wherein: the outer side wall of the female head (2) is fixedly connected with a support column (24), and the thick head end of the elastic piece III (53) is sleeved on the outer peripheral wall of the support column (24).