CN214744025U

CN214744025U - Take public head of quick connector of cleaning function

Info

Publication number: CN214744025U
Application number: CN202120993908.2U
Authority: CN
Inventors: 曹树祥; 彭帅; 郭懿贇
Original assignee: Shenyang Tian'an Special Robot Co ltd
Current assignee: Shenyang Tian'an Special Robot Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-11-16
Anticipated expiration: 2031-05-11

Abstract

A quick connector male joint with a cleaning function solves the problems of low working efficiency and poor safety of manual plugging and unplugging connectors in the prior art; and the existing quick connector has the problems of complicated plugging and unplugging actions, lack of a cleaning mechanism before plugging and influence on the use reliability of related equipment. Insert public first main part including inside being provided with soon of public first cavity, its characterized in that: the two ends of the male cavity are respectively provided with a rubber tube connecting port and a male cavity liquid outlet; a locking clamping groove is formed in the outer side of the male head inserting convex head at the front end of the quick inserting male head main body; a male valve core guide sleeve is fixedly arranged in the male head cavity and is telescopically provided with a male head valve rod; the front end of the male valve rod is provided with a male valve core with a liquid spraying hole, and a male valve core compression spring is arranged between the male valve core and the male valve core guide sleeve. The automatic plugging device is reasonable in design, compact in structure, capable of rapidly completing connection and disconnection of pipelines, simple in plugging and unplugging action, capable of effectively preventing liquid medium from being polluted, and suitable for unmanned plugging and unplugging automatic operation of hydraulic pipelines.

Description

Take public head of quick connector of cleaning function

Technical Field

The utility model belongs to the technical field of hydraulic line connecting device, concretely relates to can accomplish the connection and the disconnection of pipeline rapidly, the plug action is simple, can effectively prevent the liquid medium pollution, is applicable to the public head of quick connector of taking cleaning function of the unmanned plug automation mechanized operation of hydraulic line.

Background

The hydraulic pipeline connection joints are roughly divided into two types, wherein one type is a U-shaped clamping connection locking type joint, and the other type is a clamping sleeve thread locking type joint. When the two types of connectors are used and a pipeline needs to be disconnected or connected, the insertion and the extraction of the connectors are completed manually and assistively. Simultaneously, some current have instant cutoff, proclaim oneself and peg graft fast, the quick connector of intercommunication effect, though than the ordinary joint of manual supplementary plug, its connection action will be simpler, promptly: the first insertion and the first rotation complete the connection and locking of the joint, and the first rotation and the first pulling complete the disconnection of the joint and the self sealing of the pipeline. However, if the automatic plugging and unplugging of the joint and the connection and disconnection of the pipeline are to be realized, the plugging and unplugging action of the quick connector with the existing structure is complicated, so that the quick connector is not beneficial to the application in the automatic operation and cannot meet the actual use requirement. In addition, the quick connector with the existing structure is lack of a cleaning mechanism before plugging, so that in the unmanned plugging process of a hydraulic pipeline, a liquid medium at a pipeline interface is easily polluted, the normal operation of a hydraulic system is seriously influenced, and the reliability of related using equipment is reduced. There is a need for an improved quick connector for connecting hydraulic lines of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses just to above-mentioned problem, provide a can accomplish the connection and the disconnection of pipeline rapidly, the plug action is simple, can effectively prevent the liquid medium pollution, is applicable to the public head of quick-witted cleaning function of taking of the unmanned plug automation mechanized operation of hydraulic line.

The utility model adopts the technical proposal that: this take public head of cleaning function's quick connector is including inserting public first main part soon, its characterized in that: a male cavity is arranged in the quick-insertion male head main body, and a rubber pipe connecting port and a male cavity liquid outlet are respectively arranged at two ends of the male cavity; meanwhile, a male head inserting convex head is arranged at one end of the quick inserting male head main body, which is provided with a male cavity liquid outlet, and a locking clamping groove is formed in the outer side of the male head inserting convex head; a male valve core guide sleeve is fixedly arranged in the male head cavity, and a male head valve rod arranged along the axial direction of the quick-insertion male head main body is arranged in the male valve core guide sleeve in a telescopic mode; a male valve core with a liquid spraying hole is arranged at the front end of the male valve rod, and a male valve core compression spring is arranged between the male valve core and the male valve core guide sleeve; and a sealing element is arranged between the outer side of the male valve core and the inner wall of the male cavity liquid outlet at the front end of the male cavity.

The male valve element guide sleeve fixedly arranged in the male head cavity is composed of a guide sleeve main body, a spring inserting convex column for sleeving a male valve element compression spring is arranged on the upper side of the guide sleeve main body, a valve rod inserting hole is formed in the middle of the spring inserting convex column, and a plurality of groups of guide sleeve overflowing holes uniformly distributed along the circumference of the transverse cross section are further formed in the guide sleeve main body; and the guide sleeve main body of the male valve core guide sleeve is fixedly arranged on the guide sleeve connecting clamping groove on the inner side wall of the male head cavity. The male valve rod is movably inserted in the valve rod inserting hole of the male valve core guide sleeve, and liquid medium at the rubber tube connecting port flows to a male cavity liquid outlet of the male cavity through a plurality of groups of guide sleeve overflowing holes in the guide sleeve main body.

The male valve core is composed of a valve core main body, a valve rod sleeving cavity used for being connected with the front end of the male valve rod is arranged on the lower side of the valve core main body, and a cleaning liquid spraying hole is formed in the closed end of the upper side of the valve rod sleeving cavity. The valve rod sleeve cavity is utilized to sleeve the male valve core at the front end of the male valve rod; and when the male valve core seals the liquid outlet of the male cavity body by means of the compression elasticity of the compression spring of the male valve core, the liquid medium in the male cavity body is sprayed outwards through the cleaning liquid spraying hole at the upper end of the valve rod sleeve cavity of the male valve core, and then the outer surface of the interface position of the two sections of pipelines is cleaned before being plugged.

And a limiting convex edge is also arranged on the outer side of the male valve core. The position of the male valve core at the male cavity liquid outlet of the male cavity is mechanically limited by the limiting convex edge, and the male cavity of the male quick connector is further effectively sealed.

The male valve rod is composed of a valve rod body, a valve core connector which is connected with a valve rod sleeve cavity of the male valve core is arranged at the front end of the valve rod body, a spring clamping convex edge which is used for being in contact with a male valve core compression spring is arranged at the edge of the valve core connector, and the rear end of the valve rod body is telescopically inserted into a male valve core guide sleeve. The valve rod body is driven to reciprocate in the fixed male valve core guide sleeve to stretch out and draw back so as to drive the male valve core at the front end to open or close the male cavity liquid outlet of the male cavity; meanwhile, the closed reset of the male valve core is realized by utilizing a male valve core compression spring.

And a plurality of cleaning diversion grooves for guiding the cleaning liquid are further arranged on the valve core connecting head of the valve rod body, and the front end parts of the cleaning diversion grooves are respectively communicated with the cleaning liquid spraying holes on the upper side of the valve rod sleeve cavity of the male valve core. The liquid medium entering the valve rod sleeve cavity of the male valve core is guided to the cleaning liquid spraying hole on the upper side of the male valve core in a centralized manner by utilizing the cleaning flow guide groove on the valve core connector of the valve rod body and sprayed outwards.

The quick-plug female head matched and connected with the quick-plug male head with the cleaning function comprises a quick-plug female head main body, a movable clamping sleeve is arranged at one end, facing the quick-plug male head, of the quick-plug female head main body, a fixed clamping sleeve is arranged at the extending end of the movable clamping sleeve, and a clamping sleeve compression spring is arranged between the fixed clamping sleeve and the movable clamping sleeve; a female cavity is arranged in the quick-insertion female head main body, a female cavity liquid inlet and a female cavity liquid outlet are respectively arranged at two ends of the female cavity, and a locking steel ball is movably arranged in a male head inserting cavity at the female cavity liquid inlet, between the outer wall of the movable clamping sleeve and the inner wall of the fixed clamping sleeve; a rubber pipe connector is also arranged at the liquid outlet of the female cavity; a core shaft fixing seat is arranged in a female cavity of the quick-insertion female head main body, a female core shaft which is axially arranged along the quick-insertion female head main body is fixedly arranged on the core shaft fixing seat, and the extending end of the female core shaft is positioned at a liquid inlet of the female cavity; a limiting core sleeve is sleeved inside the female head cavity and outside the female head mandrel, and a limiting compression spring is arranged between the limiting core sleeve and the mandrel fixing seat; simultaneously, the outside of spacing core cover, female cavity inlet department still overlap and be equipped with the removal core cover, it is provided with removal compression spring to remove the core cover and insert soon between the female head main part. The limiting core sleeve and the female head mandrel are driven to be separated and opened by mutual extrusion contact of a male head inserting convex head of the male head of the quick inserting head and a movable core sleeve of the female head of the quick inserting head; meanwhile, the male head valve core of the male head of the quick-plug connector is mutually in extrusion contact with the female head core shaft of the female head of the quick-plug connector, so that the female head core shaft is driven to drive the quick-plug female head main body and the movable clamping sleeve to move relative to the fixed clamping sleeve, and the locking clamping groove on the outer side of the male head plugging convex head is clamped with the locking steel ball movably arranged in the male head plugging cavity; and then the male cavity and the female cavity are communicated, so that the liquid medium circulates, and the connection of a hydraulic pipeline is realized.

The dabber fixing base comprises the fixing base main part, and the middle part of fixing base main part is provided with the dabber connecting hole, just still be provided with the fixing base discharge orifice of a plurality of groups along the circumference equipartition of transverse section in the fixing base main part. In order to connect female first dabber fixed connection in the dabber hub connection of dabber fixing base downthehole to, make the liquid medium of female cavity inlet department flow to the female cavity liquid outlet of female cavity via a plurality of groups fixing base overflowing hole in the fixing base main part.

The female head mandrel is composed of a mandrel shaft body, one end of the mandrel shaft body is connected with the mandrel fixing seat through a fixing seat connecting portion, the mandrel shaft body is located at the other end of a female cavity liquid inlet position of the female head cavity, and a male valve element contact head used for being in contact with a male valve element of a male quick connector is arranged on the mandrel shaft body. The male valve core shaft is driven to drive the quick-insertion female head main body and the movable clamping sleeve and the fixed clamping sleeve at the end part of the quick-insertion female head main body to move relatively by utilizing mutual extrusion contact of the male valve core contact head and the male valve core of the male quick-insertion connector, and then the liquid inlet of the female cavity is opened, so that the liquid medium enters the female cavity.

A conical flow guide inclined plane is arranged on the outer side of the male valve core contact head of the female head mandrel; and communicated pressure reducing holes which are communicated with each other are respectively arranged on the contact bottom surface and the side wall of the male valve core contact head. The liquid medium entering the liquid inlet of the female cavity from the liquid outlet of the male cavity of the male connector of the quick connector is guided to flow by a conical flow guide inclined plane on the outer side of the contact head of the male valve core; meanwhile, the condition that the female head mandrel and the movable core sleeve cannot be smoothly opened under the state that liquid pressure exists in the female head cavity is effectively avoided by utilizing the communicated pressure reducing holes formed in the male valve element contact heads.

The utility model has the advantages that: because the utility model adopts the quick-inserting male body with the male cavity arranged inside, the two ends of the male cavity are respectively provided with the rubber tube connector and the male cavity liquid outlet; a male head inserting convex head is arranged at one end of the quick inserting male head main body, which is provided with the male cavity liquid outlet, and a locking clamping groove is arranged on the outer side of the male head inserting convex head; a male valve core guide sleeve is fixedly arranged in the male head cavity, and a male head valve rod is arranged in the male valve core guide sleeve in a telescopic mode; the front end of the male valve rod is provided with a male valve core with a liquid spraying hole, and a male valve core compression spring is arranged between the male valve core and a male valve core guide sleeve, so that the structure is reasonable in design and compact in structure, and the male plug of the quick-plugging connector is connected to a special plugging moving mechanism, so that the automatic plugging and unplugging of the connection part of the hydraulic pipeline can be realized through the movement of the plugging moving mechanism, and the connection and the disconnection of the hydraulic pipeline can be rapidly completed; and before the plugging, the outer surfaces of the interface positions of the two sections of pipelines are washed and cleaned by using the liquid spraying holes on the male valve core, so that the pollution of a liquid medium is effectively prevented. The quick connector male joint with the cleaning function is simple in plugging and unplugging action, suitable for unmanned plugging and unplugging automation operation of a hydraulic pipeline, labor-saving, and capable of improving the automation degree of equipment, and can be applied to various engineering machinery industries including the field of automation transportation of underground coal mine supporting devices.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a structure of the male quick-connect body of fig. 1.

Fig. 3 is a schematic view of a structure of the male plug guide sleeve of fig. 1.

Fig. 4 is a top view of fig. 3.

Fig. 5 is a schematic view of a configuration of the male valve stem of fig. 1.

Fig. 6 is a top view of fig. 5.

Fig. 7 is a schematic diagram of a male valve element of fig. 1.

Fig. 8 is a schematic view of the use state of the quick connector in fig. 1 in which the male connector and the female connector are plugged with each other and the valve core of the male connector is opened.

Fig. 9 is a schematic view of a female quick connector for mating with the male quick connector of fig. 1.

FIG. 10 is a schematic view of the female mandrel and hose connector of FIG. 9 with the female mandrel and hose connector removed.

Fig. 11 is a schematic view of a structure of the mandrel holder of fig. 10.

Fig. 12 is a top view of fig. 11.

Fig. 13 is a schematic view of a configuration of the female mandrel of fig. 9.

Fig. 14 is a schematic view of a connection structure between the male quick connector in fig. 1 and the female quick connector in fig. 9.

Fig. 15 is a schematic diagram of an embodiment of the present invention for automated unmanned insertion and extraction operation of a hydraulic pipeline.

The sequence numbers in the figures illustrate: 1 male plug main body, 2 male plug cavity, 3 rubber pipe connectors, 4 male cavity liquid outlets, 5 male plug convex heads, 6 male valve cores, 7 male valve rods, 8 male valve core guide sleeves, 9 male valve core compression springs, 10 sealing pieces, 11 guide sleeve connecting clamping grooves, 12 sealing grooves, 13 locking clamping grooves, 14 guide sleeve main bodies, 15 spring plug convex columns, 16 valve rod plug holes, 17 guide sleeve overflowing holes, 18 valve rod bodies, 19 valve core connectors, 20 spring clamping convex edges, 21 cleaning diversion grooves, 22 valve core main bodies, 23 valve rod sleeving cavities, 24 cleaning liquid spraying holes, 25 limiting convex edges, 26 quick plug male heads, 27 quick plug female heads, 28 female head mandrels, 29 quick plug female head main bodies, 30 movable clamping sleeves, 31 fixed clamping sleeves, 32 clamping sleeve compression springs, 33 female head cavity, 34 mandrel fixing seats, 35 limiting core sleeves, 36 limiting compression springs, 37 moving core sleeves, 38 moving compression springs, The device comprises a rubber tube connector 39, a male connector plug-in cavity 40, a female cavity liquid inlet 41, a female cavity liquid outlet 42, a locking steel ball 43, a limiting retainer ring 44, a fixing seat main body 45, a mandrel connecting hole 46, a fixing seat overflowing hole 47, a mandrel shaft body 48, a male valve core contact 49, a flow guide inclined plane 50, a communicating pressure reducing hole 51, a fixing seat connecting part 52, a support top beam 53, a hydraulic upright column 54, a plug-in moving mechanism 55, a hydraulic rubber tube 56, a quick plug-in female connector 57 and a plug-in transition cleaning cavity 58.

Detailed Description

The specific structure of the present invention will be described in detail with reference to fig. 1 to 14. This take cleaning function's public head of quick connector is provided with public first cavity 2's the public first main part 1 of inserting soon including inside, and the both ends of the public first cavity 2 of the public first main part 1 of inserting soon then are provided with rubber tube connector 3 and public cavity liquid outlet 4 respectively. The quick-insertion male head main body 1 is provided with a male head insertion protruding head 5 at one end where a male cavity liquid outlet 4 is arranged, and a circle of locking clamping groove 13 is formed in the outer side of the male head insertion protruding head 5. A male valve core guide sleeve 8 is fixedly arranged in the middle of the inner side of the male head cavity 2, the male valve core guide sleeve 8 is composed of a guide sleeve main body 14, and a spring inserting convex column 15 for sleeving the male valve core compression spring 9 is arranged on the upper side of the guide sleeve main body 14; the middle part of the spring inserting convex column 15 is provided with a valve rod inserting hole 16. The guide sleeve main body 14 of the male valve core guide sleeve 8 is also provided with a plurality of groups of guide sleeve overflowing holes 17 which are uniformly distributed along the circumference of the transverse section; the guide sleeve main body 14 of the male valve core guide sleeve 8 is fixedly arranged on the guide sleeve connecting clamping groove 11 on the inner side wall of the male head cavity 2.

A male head valve rod 7 arranged along the axial direction of the quick-inserting male head main body 1 is telescopically arranged in a valve rod inserting hole 16 of the male valve core guide sleeve 8. The front end of the male valve rod 7 is provided with a male valve core 6 with a liquid spraying hole, and a male valve core compression spring 9 is arranged between the male valve core 6 and the male valve core guide sleeve 8. The male valve core 6 is composed of a valve core main body 22, a valve rod sleeving cavity 23 used for being connected with the front end of the male valve rod 7 is arranged on the lower side of the valve core main body 22, and a cleaning liquid spraying hole 24 is formed in the middle of the closed end of the upper side of the valve rod sleeving cavity 23. Therefore, the valve rod sleeve cavity 23 is utilized to sleeve the male valve core 6 at the front end of the male valve rod 7; and when the male valve core 6 seals the male cavity liquid outlet 4 by means of the compression elasticity of the male valve core compression spring 9 (the male quick connector 26 is not inserted with the female quick connector 27), the liquid medium in the male cavity 2 is sprayed outwards through the cleaning liquid spraying hole 24 at the upper end of the valve rod sleeve cavity 23 of the male valve core 6, and then the outer surface of the interface position of the two sections of pipelines is cleaned before insertion.

In order to effectively seal the male cavity 2 of the male plug 26 of the quick connector, a sealing element 10 is arranged between the outer side of the valve core main body 22 of the male plug valve core 6 and the inner wall of the male cavity liquid outlet 4 at the front end of the male cavity 2; and the sealing member 10 is mounted in a sealing groove 12 in the inner wall of the male chamber body outlet 4. Meanwhile, the outer side of the valve core main body 22 of the male valve core 6 is also provided with a limiting convex edge 25, so that the position of the male valve core 6 at the male cavity liquid outlet 4 of the male cavity 2 is mechanically limited by the limiting convex edge 25, and the sealing reliability of the male cavity 2 is further improved.

The male valve rod 7 is composed of a valve rod body 18, a valve core connector 19 used for being connected with a valve rod sleeving cavity 23 of the male valve core 6 is arranged at the front end of the valve rod body 18, a spring clamping convex edge 20 used for being contacted with a male valve core compression spring 9 is arranged at the edge of the valve core connector 19, and the rear end of the valve rod body 18 is telescopically inserted in a valve rod inserting hole 16 of a male valve core guide sleeve 8; and then the valve rod body 18 of the male valve rod 7 is movably inserted in the valve rod insertion hole 16 of the male valve core guide sleeve 8, and the liquid medium at the rubber pipe connecting port 3 flows to the male cavity liquid outlet 4 of the male cavity 2 through a plurality of groups of guide sleeve overflowing holes 17 on the guide sleeve main body 14. Moreover, the reciprocating extension of the valve rod body 18 in the fixed male valve core guide sleeve 8 drives the male valve core 6 at the front end to open or close the male cavity liquid outlet 4 of the male cavity 2; meanwhile, the closed reset of the male valve core 6 is realized by utilizing the male valve core compression spring 9.

Four cleaning diversion grooves 21 which are arranged in a cross shape and used for diverting the cleaning liquid are arranged on a valve core connector 19 at the front end of a valve rod body 18; the front end part of each cleaning diversion trench 21 is respectively communicated with a cleaning liquid spraying hole 24 on the upper side of a valve rod sleeve cavity 23 of the male valve core 6; and then, the cleaning diversion groove 21 on the valve core connector 19 of the valve rod body 18 is utilized to intensively divert the liquid medium entering the valve rod sleeving cavity 23 of the male valve core 6 to the cleaning liquid spraying hole 24 on the upper side of the male valve core 6 and spray the liquid medium outwards, so as to clean the joint part of the quick connector female connector 27 and the quick connector male connector 26 before plugging.

Female 27 of quick connector that cooperatees with the male head of quick connector who takes cleaning function is connected, including female first main part 29 of inserting soon, female first main part 29 of inserting soon is provided with movable cutting ferrule 30 towards the one end of the male head 26 of quick connector, and the extension end of movable cutting ferrule 30 is provided with fixed cutting ferrule 31, and is provided with cutting ferrule compression spring 32 between fixed cutting ferrule 31 and the movable cutting ferrule 30. A female cavity 33 is arranged in the quick-insertion female head main body 29, a female cavity liquid inlet 41 and a female cavity liquid outlet 42 are respectively arranged at two ends of the female cavity 33, and a circle and a plurality of locking steel balls 43 are movably arranged in the male head inserting cavity 40 at the female cavity liquid inlet 41 and between the outer wall of the movable clamping sleeve 30 and the inner wall of the fixed clamping sleeve 31; and the end part of the movable cutting sleeve 30, which is positioned at one side of the liquid inlet 41 of the female cavity, is provided with a limiting check ring 44. A rubber pipe connector 39 is also arranged at the female cavity liquid outlet 42 of the quick-insertion female head main body 29.

One end of the female head cavity 33 of the quick-insertion female head main body 29, which is close to the female cavity liquid outlet 42, is fixedly provided with a mandrel fixing seat 34, a female head mandrel 28 which is axially arranged along the quick-insertion female head main body 29 is fixedly arranged on the mandrel fixing seat 34, and the extending end of the female head mandrel 28 is positioned at the female cavity liquid inlet 41. The mandrel fixing seat 34 is composed of a fixing seat main body 45, the middle part of the fixing seat main body 45 is provided with a mandrel connecting hole 46, and the fixing seat main body 45 is also provided with a plurality of groups of fixing seat overflowing holes 47 which are uniformly distributed along the circumference of the transverse section; the female mandrel 28 is further fixedly connected to the mandrel connecting hole 46 of the mandrel fixing seat 34, and the liquid medium at the female cavity liquid inlet 41 flows to the female cavity liquid outlet 42 of the female cavity 33 through the plurality of sets of fixing seat overflowing holes 47 on the fixing seat main body 45.

The female mandrel 28 is composed of a mandrel shaft body 48, and one end of the mandrel shaft body 48 is connected with the internal thread of the mandrel connecting hole 46 of the mandrel fixing seat 34 through the external thread of the fixing seat connecting part 52; the mandrel shaft body 48 is located at the other end of the female cavity liquid inlet 41 of the female cavity 33, and is provided with a male valve core contact 49 for contacting with the male valve core 6 of the quick connector male 26. Therefore, the male valve core contact 49 and the male valve core 6 of the male plug 26 are in mutual extrusion contact, so as to drive the female mandrel 28 to drive the quick-plug female body 29 and the movable cutting sleeve 30 and the fixed cutting sleeve 31 at the end thereof to move relatively, and further open the female cavity liquid inlet 41, so that the liquid medium enters the female cavity 33. Meanwhile, a conical diversion inclined plane 50 is arranged on the outer side of the male valve core contact 49 of the female valve core shaft 28. Moreover, the contact bottom surface and the side wall of the male valve core contact 49 are respectively provided with a communicated pressure reducing hole 51 which is mutually communicated, so that the liquid medium entering the female cavity liquid inlet 41 through the male cavity liquid outlet 4 of the male quick connector 26 is guided to flow through the conical flow guide inclined plane 50 on the outer side of the male valve core contact 49; and the condition that the female mandrel 28 and the movable mandrel sleeve 37 cannot be smoothly opened under the condition that liquid pressure exists in the female cavity 33 is effectively avoided by utilizing the communicated pressure reducing hole 51 arranged on the male valve element contact 49.

Inside female first cavity 33 of quick connector female 27, the outside of female first dabber 28, the cover is equipped with spacing core sleeve 35, is provided with spacing compression spring 36 between spacing core sleeve 35 and the dabber fixing base 34. The outer side of the limiting core sleeve 35 and the position of the liquid inlet 41 of the female cavity are also sleeved with a movable core sleeve 37, and a movable compression spring 38 is arranged between the movable core sleeve 37 and the quick-insertion female head main body 29. Therefore, the limiting core sleeve 35 and the female mandrel 28 are driven to be separated and opened through mutual extrusion contact of the male plug inserting convex head 5 of the male plug 26 and the moving core sleeve 37 of the female plug 27; meanwhile, the mutual extrusion contact between the male valve core 6 of the male plug 26 of the quick-connection plug and the female mandrel 28 of the female plug 27 of the quick-connection plug is utilized to drive the female mandrel 28 to drive the female plug main body 29, the movable clamping sleeve 30 and the fixed clamping sleeve 31 to move relatively, and the locking clamping groove 13 on the outer side of the male plug inserting convex head 5 is clamped with the locking steel ball 43 movably arranged in the male plug inserting cavity 40 to communicate the male cavity 2 of the male plug 26 of the quick-connection plug and the female cavity 33 of the female plug 27 of the quick-connection plug, so that liquid media circulate, and further the connection of a hydraulic pipeline is realized.

When the quick connector male head with the cleaning function is used, firstly, the quick connector male head 26 is connected to the special plugging moving mechanism 55, and the hydraulic rubber tube 56 for supplying liquid is connected to the rubber tube connecting port 3 of the quick connector male head 26; meanwhile, the fixing clamp sleeve 31 of the quick-connect female connector 27 is fixedly connected to the quick-connect female connector connecting seat 57, and the hose connector 39 of the quick-connect female connector 27 is connected to a liquid inlet of the relevant using equipment (for example, the hydraulic upright 54 of the support top beam 53) by using the hydraulic hose 56 (as shown in fig. 15). When a hydraulic pipeline needs to be connected and liquid is supplied for related use equipment, the quick-plug male connector 26 extends into the plug transition cleaning cavity 58 on the lower side of the quick-plug female connector connecting seat 57 through the movement of the plug moving mechanism 55 (at this time, the quick-plug male connector 26 is not plugged with the quick-plug female connector 27); and then, the outer surfaces of the interface positions of the male head and the female head are washed and cleaned by using a liquid spraying hole on the male head valve core 6 so as to prevent the liquid medium from being polluted.

Then, the plug moving mechanism 55 drives the male quick connector 26 to continuously extend into the female quick connector connecting seat 57, and further drives the limiting core sleeve 35 and the female core shaft 28 to be separated and opened through mutual extrusion contact of the male quick connector plug 5 of the male quick connector 26 and the moving core sleeve 37 of the female quick connector 27; moreover, by utilizing the mutual pressing contact between the male plug valve core 6 of the male plug 26 and the female plug core shaft 28 of the female plug 27, the female plug core shaft 28 is synchronously driven to drive the female plug main body 29, the movable cutting sleeve 30 and the fixed cutting sleeve 31 (fixed on the female plug connecting seat 57) to move relatively, so as to communicate the male plug cavity 2 of the male plug 26 and the female plug cavity 33 of the female plug 27, and thus, the liquid medium is circulated (as shown in fig. 14).

When the hydraulic pipeline connection needs to be disconnected, the plug moving mechanism 55 pulls the male plug 26 of the quick-connection plug to move downwards; at this time, the movable cutting sleeve 30 of the quick connector female head 27 and the quick connector male head 26 move downwards relative to the fixed cutting sleeve 31 at the same time, the locking steel ball 43 is gradually separated from the radial limitation of the fixed cutting sleeve 31, and the locking steel ball 43 is pushed back into the tapered hole of the movable cutting sleeve 30 under the action of the reset force of each compression spring; thereafter, the male quick-connect connector 26 can be disconnected from the female quick-connect connector 27. Therefore, the automatic plugging and unplugging of the connection part of the hydraulic pipeline is realized, and the connection and the disconnection of the hydraulic pipeline are rapidly completed.

Claims

1. The utility model provides a take cleaning function's public head of quick connector, includes and inserts public first main part (1) fast, its characterized in that: a male cavity (2) is arranged in the quick-insertion male body (1), and a rubber pipe connector (3) and a male cavity liquid outlet (4) are respectively arranged at two ends of the male cavity (2); meanwhile, a male head inserting convex head (5) is arranged at one end of the quick inserting male head main body (1) where a male cavity liquid outlet (4) is arranged, and a locking clamping groove (13) is arranged on the outer side of the male head inserting convex head (5); a male valve core guide sleeve (8) is fixedly arranged in the male head cavity (2), and a male valve rod (7) arranged along the axial direction of the quick-insertion male head main body (1) is arranged in the male valve core guide sleeve (8) in a telescopic manner; a male valve core (6) with a liquid spraying hole is arranged at the front end of the male valve rod (7), and a male valve core compression spring (9) is arranged between the male valve core (6) and the male valve core guide sleeve (8); and a sealing element (10) is arranged between the outer side of the male valve core (6) and the inner wall of the male cavity liquid outlet (4) at the front end of the male cavity (2).

2. The male quick-connect connector with cleaning function of claim 1, wherein: the male valve core guide sleeve (8) fixedly arranged in the male head cavity (2) is composed of a guide sleeve main body (14), a spring inserting convex column (15) for sleeving a male valve core compression spring (9) is arranged on the upper side of the guide sleeve main body (14), a valve rod inserting hole (16) is formed in the middle of the spring inserting convex column (15), and a plurality of groups of guide sleeve overflowing holes (17) uniformly distributed along the circumference of a transverse cross section are further formed in the guide sleeve main body (14); and a guide sleeve main body (14) of the male valve core guide sleeve (8) is fixedly arranged on a guide sleeve connecting clamping groove (11) on the inner side wall of the male head cavity (2).

3. The male quick-connect connector with cleaning function of claim 1, wherein: the male valve core (6) is composed of a valve core main body (22), a valve rod sleeving cavity (23) used for being connected with the front end of the male valve rod (7) is formed in the lower side of the valve core main body (22), and a cleaning liquid spraying hole (24) is formed in the closed end of the upper side of the valve rod sleeving cavity (23).

4. The male quick-connect connector with cleaning function of claim 1, wherein: and a limiting convex edge (25) is also arranged on the outer side of the male valve core (6).

5. The male quick connector with the cleaning function according to claim 3, wherein: the male valve rod (7) is composed of a valve rod body (18), a valve core connector (19) connected with a valve rod sleeve cavity (23) of the male valve core (6) is arranged at the front end of the valve rod body (18), a spring clamping convex edge (20) used for being in contact with a male valve core compression spring (9) is arranged at the edge of the valve core connector (19), and the rear end of the valve rod body (18) is telescopically inserted into a male valve core guide sleeve (8).

6. The male quick connector with the cleaning function according to claim 5, wherein: and a plurality of cleaning diversion grooves (21) for diversion of cleaning liquid are further formed in the valve core connector (19) of the valve rod body (18), and the front end parts of the cleaning diversion grooves (21) are respectively communicated with cleaning liquid spraying holes (24) on the upper side of the valve rod sleeve cavity (23) of the male valve core (6).

7. A female quick connector which is matched and connected with the male quick connector with the cleaning function of claim 1, characterized in that: the quick-plugging female head comprises a quick-plugging female head main body (29), wherein a movable clamping sleeve (30) is arranged at one end of the quick-plugging female head main body (29) facing a quick-plugging male head (26), a fixed clamping sleeve (31) is arranged at the extending end of the movable clamping sleeve (30), and a clamping sleeve compression spring (32) is arranged between the fixed clamping sleeve (31) and the movable clamping sleeve (30); a female cavity (33) is arranged in the quick-insertion female head main body (29), a female cavity liquid inlet (41) and a female cavity liquid outlet (42) are respectively arranged at two ends of the female cavity (33), and locking steel balls (43) are movably arranged in a male-head insertion cavity (40) at the female cavity liquid inlet (41), between the outer wall of the movable clamping sleeve (30) and the inner wall of the fixed clamping sleeve (31); a rubber pipe connector (39) is also arranged at the liquid outlet (42) of the female cavity; a core shaft fixing seat (34) is arranged in a female head cavity (33) of the quick-insertion female head main body (29), a female head core shaft (28) which is axially arranged along the quick-insertion female head main body (29) is fixedly arranged on the core shaft fixing seat (34), and the extending end of the female head core shaft (28) is positioned at a female cavity liquid inlet (41); a limiting core sleeve (35) is sleeved inside the female head cavity (33) and outside the female head mandrel (28), and a limiting compression spring (36) is arranged between the limiting core sleeve (35) and the mandrel fixing seat (34); meanwhile, the outer side of the limiting core sleeve (35) and the liquid inlet (41) of the female cavity are further sleeved with a movable core sleeve (37), and a movable compression spring (38) is arranged between the movable core sleeve (37) and the quick-insertion female head main body (29).

8. The female quick-connect connector of claim 7, wherein: dabber fixing base (34) comprise fixing base main part (45), and the middle part of fixing base main part (45) is provided with dabber connecting hole (46), just still be provided with fixing base discharge orifice (47) of a plurality of groups along the circumference equipartition of transverse cross-section on fixing base main part (45).

9. The female quick-connect connector of claim 7, wherein: the female head mandrel (28) is composed of a mandrel shaft body (48), one end of the mandrel shaft body (48) is connected with the mandrel fixing seat (34) through a fixing seat connecting part (52), the mandrel shaft body (48) is located at the other end of the female cavity liquid inlet (41) of the female head cavity (33), and a male valve core contact head (49) used for being in contact with a male valve core (6) of a male head (26) of a quick-connection-and-insertion-joint is arranged.

10. The female quick-connect connector of claim 9, wherein: a conical flow guide inclined plane (50) is arranged on the outer side of a male valve core contact head (49) of the female mandrel (28); and, the contact bottom surface and the side wall of the male valve element contact head (49) are respectively provided with a communicating decompression hole (51) which penetrates through each other.