Disclosure of Invention
The invention aims to provide a fluid connector which is used in a high-pressure environment and is convenient to pull and plug.
In order to solve the technical problems, the invention provides a fluid connector which is used in a high-pressure environment and is convenient to pull and insert, and the fluid connector comprises a first connector and a second connector, wherein the second connector is inserted into the first connector, a first convex ring is arranged on the inner side wall of the first connector, and a sealing gasket is arranged on one side of the first convex ring; the outer surface of the second connector is provided with a storage groove, the inner side wall of the storage groove is hinged with an extrusion part, and a plurality of clamping parts are arranged between the inner side wall of the extrusion part and the storage groove; the extrusion portion is formed by two semicircles concatenation, the inside of extrusion portion is the cavity setting, wherein joint portion is suitable for strutting the extrusion portion, in order to increase extrusion portion one end diameter, the extrusion portion is suitable for the extrusion sealed pad.
Further, the extrusion part comprises a left side plate and a right side plate which are hinged inside the storage tank, and a splice plate arranged between the left side plate and the right side plate; the left side plate and the right side plate are arranged in a semicircular ring shape, the splicing plates are arranged in a ring shape, and the splicing plates are suitable for movably connecting the middles of the left side plate and the right side plate.
Furthermore, splice grooves are formed in two side walls of the left side plate and the right side plate, the side walls of the splice grooves are arranged in an opening mode, two sides of the splice plates are respectively installed in the splice grooves in the left side plate and the right side plate, and when the splice plates move towards the groove opening along the splice grooves, the end portions of the left side plate and the right side plate open towards two sides so as to increase the diameters of the left side plate and the right side plate.
Further, the side groove has been seted up to the inside wall of hold up tank, the inside wall of side groove is provided with the inclined plane, the left side board with the right side board is articulated on the inclined plane, the left side board with the inside wall of right side board can contradict the tank bottom of hold up tank.
Furthermore, a sealing sleeve is arranged on the inclined plane, and after the clamping part is used for propping the left side plate and the right side plate open, the outer side walls of the left side plate and the right side plate are attached to the inclined plane.
Furthermore, the clamping part comprises a plurality of clamping blocks fixed on the inner bottom wall of the storage tank and a plurality of buckles arranged on the outer side walls of the clamping blocks; a first slot is formed in the fixture block and is arc-shaped; the bottom of the outer side wall of the clamping block is provided with a plurality of clamping grooves, the clamping grooves are internally provided with convex blocks, and first springs are fixed between the convex blocks and the inner bottom wall of the clamping grooves.
Further, a second slot is formed in the inner side walls of the left side plate and the right side plate, a third slot is formed in the inner side wall of the second slot, and a telescopic rod is fixed to the inner bottom wall of the second slot; the telescopic rod is inserted into the first slot, a second spring is fixed between the telescopic rod and the bottom wall in the first slot, when the inner side wall of the left side plate and the inner side wall of the right side plate abut against the bottom wall of the storage tank, the second slot is sleeved on the outer surface of the fixture block, the telescopic rod is inserted into the first slot, and meanwhile, the lug is clamped in the third slot.
Further, a first snap ring is fixed on the outer surface of the second connector, a second snap ring is fixed on one side of the first snap ring, a third snap ring is fixed on one side of the second snap ring, and the diameter of the second snap ring is larger than that of the first snap ring; the surface of first snap ring is provided with the external screw thread, the internal surface of first bulge loop be provided with the first snap ring on the internal thread of external screw thread looks adaptation, the hold up tank is installed first snap ring with in the middle of the second snap ring, wherein revolve soon clockwise and insert during the second connector, the left side board with the right side board contracts extremely in the hold up tank, work as the left side board with the right side board passes during first bulge loop, the left side board with the right side board expandes and revolves anticlockwise revolve and twist the second connector, so that the left side board with the terminal surface extrusion of right side board sealed pad.
Furthermore, one side of first bulge loop is provided with the second bulge loop, the internal diameter of second bulge loop with the external diameter of first snap ring is the same, wherein inserts when first snap ring back in the second bulge loop, continues to revolve wrong second connector, the extrusion of second bulge loop inside wall the left side board with the inside wall of right side board is contradicted the inner bottom wall of holding vessel, so that the lug joint is in the third slot.
Furthermore, a sealing opening is formed in one side of the first convex ring, and inserting rings are formed in two sides of the first convex ring; one side of the sealing gasket is provided with an inserting sleeve, and the inserting sleeve is arranged in the inserting ring; the second snap ring with outer shell is installed to the third snap ring centre, the surface of outer shell is provided with the external screw thread, wherein works as the second snap ring inserts inside back of first snap ring, revolves soon the third snap ring inserts in the sealing port.
The fluid connector used in high-pressure environment and convenient to pull and insert has the advantages that the first connector is in threaded connection with the second connector through the first convex ring, the storage groove is used for storing the extrusion part, the extrusion part is formed by splicing two semicircles, one end of the extrusion part is hinged in the storage groove, the clamping part arranged in the extrusion part can be used for expanding the extrusion part, or the pressing part can be completely folded and stored in the storage groove, after the second connector is inserted into the first connector in the positive direction, the pressing part is opened and attached to the sealing gasket for sealing, and simultaneously the second connector is rotated reversely so that the pressing part presses the sealing gasket, thereby leading the extruding part to press the sealing gasket, no gap is generated between the sealing gasket and the extruding part, improving the sealing effect, and reach the effect of locking, prevent that external personnel from directly separating first connector and second connector with first bulge loop.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1 to 8, the fluid connector for high pressure environment and convenient to plug and unplug of the present invention includes a first connector 1 and a second connector 2, the second connector 2 is plugged inside the first connector 1, and the end of the second fluid connector is inserted inside the first fluid connector body, so that the two sets of fluid connectors are spliced and combined to communicate the internal fluid, and the fluid connector is easy to operate and high in installation efficiency by using a plugging manner.
A first convex ring 11 is arranged on the inner side wall of the first connector 1, a sealing gasket 12 is arranged on one side of the first convex ring 11, a storage groove 21 is formed in the outer surface of the second connector 2, an extrusion part 3 is hinged to the inner side wall of the storage groove 21, and a plurality of clamping parts 4 are arranged between the inner side wall of the extrusion part 3 and the storage groove; extrusion portion 3 is formed by two semicircles concatenations, the inside of extrusion portion 3 is the cavity setting, wherein joint portion 4 is suitable for strutting extrusion portion 3, in order to increase 3 one end diameters of extrusion portion, extrusion portion 3 is suitable for the extrusion sealed 12 that fills up.
The first connector 1 is connected with the second connector 2 through a first convex ring 11 in a threaded manner, and is used for storing the extrusion part 3 through a storage groove, the extrusion part 3 is formed by splicing two semicircles, one end of the pressing part 3 is hinged in the storage groove, the clamping part 4 arranged in the pressing part 3 can open the pressing part 3, or the pressing part 3 can be completely folded and stored in the storage groove, after the second connector 2 is inserted into the first connector 1 in the forward direction, the pressing portion 3 opens and engages with the packing 12 to perform sealing, and at the same time, the second connector 2 is rotated in the reverse direction so that the pressing portion 3 presses the packing 12, thereby leading the extruding part 3 to compress the sealing gasket 12, no gap is generated between the sealing gasket 12 and the extruding part 3, the sealing effect is improved, and the effect of back locking is achieved, and external personnel are prevented from directly separating the first connector 1 from the second connector 2 by the first convex ring 11.
The extrusion part 3 comprises a left side plate 31 and a right side plate 32 which are hinged in the storage tank, and a splicing plate 33 arranged between the left side plate 31 and the right side plate 32; the left side plate 31 and the right side plate 32 are arranged in a semicircular ring shape, the splicing plate 33 is arranged in a circular ring shape, and the splicing plate 33 is suitable for movably connecting the middle of the left side plate 31 and the right side plate 32.
The left side plate 31 and the right side plate 32 have the same shape, and can form a hollow cylinder when the left side plate 31 and the right side plate 32 are attached to each other, wherein a splicing plate 33 is movably arranged between the left side plate 31 and the right side plate 32, and the splicing plate 33 movably connects the middle of the left side plate 31 and the middle of the right side plate 32.
The two side walls of the left side plate 31 and the right side plate 32 are provided with splicing grooves 34, the side walls of the splicing grooves 34 are arranged in an opening mode, the two sides of the splicing plates 33 are respectively installed in the splicing grooves 34 on the left side plate 31 and the right side plate 32, and when the splicing plates 33 move towards the positions of the notches along the splicing grooves 34, the end portions of the left side plate 31 and the right side plate 32 are opened towards the two sides so as to increase the diameters of the left side plate 31 and the right side plate 32.
Through the splicing groove 34, the splicing plate 33 can be installed in the splicing groove 34 and can move inside the splicing groove 34, the splicing plate 33 groove and the splicing plate 33 are both arranged in an arc shape and have the same circle center with the left side plate 31 and the right side plate 32, the splicing plate 33 enables the middle of the left side plate 31 and the right side plate 32 to be movably connected, the end face of the splicing plate 33 and the end faces of the left side plate 31 and the right side plate 32 are located on the same horizontal line, a end face of the splicing plate 33 can contact the sealing gasket 12, when the splicing plate 33 moves to the notch along the splicing groove 34, the end portions of the left side plate 31 and the right side plate 32 are opened towards two sides, the diameters of the left side plate 31 and the right side plate 32 are increased, the whole body is formed into a column, and one end of the left side plate 31 and one end of the right side plate 32 protrude out of the storage groove.
Side slot 22 has been seted up to the inside wall of hold up tank, the inside wall of side slot 22 is provided with inclined plane 23, left side board 31 with right side board 32 articulates on inclined plane 23, the inside wall of left side board 31 with right side board 32 can conflict the tank bottom of hold up tank, be provided with seal cover 24 on the inclined plane 23, wherein joint portion 4 will after left side board and right side board 32 strut, the lateral wall laminating of left side board and right side board 32 inclined plane 23.
Through articulating left side board 31 and right side board 32 in the inside of side groove 22 for left side board 31 and right side board 32 can move about in the inside of side groove 22, and the inclination of side groove 22 is 30-40 degrees, when left side board 31 and right side board 32 expand, the tip lateral wall laminating inclined plane 23 of the articulated department of left side board 31 and right side board 32 simultaneously is the maximum limit that left side board 31 and right side board 32 expand this moment, when left side board 31 and right side board 32 shrink, the inside wall of left side board 31 with right side board 32 can conflict the tank bottom of holding vessel, the diameter after left side board 31 and right side board 32 shrink this moment is less than the diameter of articulated end, set up 24 on the slope simultaneously, make can prevent that fluid from passing left side board 31 and right side board 32, enter into the holding vessel inside, make and improve sealed effect.
The joint portion 4 is including fixing a plurality of fixture block 41 of diapire in the holding vessel is in with the setting a plurality of buckle 42 of fixture block 41 lateral wall makes to promote left side board 31 and right side board 32 and expandes through setting up joint portion 4 to joint portion 4 can fix left side board 31 and right side board 32 on fixture block 41 when left side board 31 and right side board 32 are extruded and contract.
A second slot 35 is formed in the inner side walls of the left side plate 31 and the right side plate 32, a third slot 351 is formed in the inner side wall of the second slot 35, and a telescopic rod 352 is fixed to the inner bottom wall of the second slot 35; the telescopic rod 352 is inserted into the first slot 411, a second spring 43 is fixed between the telescopic rod 352 and the inner bottom wall of the first slot 411, when the inner side walls of the left side plate 31 and the right side plate 32 abut against the bottom of the storage tank, the second slot 35 is sleeved on the outer surface of the fixture block 41, the telescopic rod 352 is inserted into the first slot 411, and the protrusion 413 is clamped into the third slot 351.
A first slot 411 is formed in the fixture block 41, and the first slot 411 is arc-shaped; and the hinge point of the left side plate 31 and the right side plate 32 is taken as the center of circle, so that the telescopic rod 352 can be inserted into the first slot 411 when the left side plate 31 and the right side plate 32 are contracted, the bottom of the outer side wall of the fixture block 41 is provided with a plurality of fixture slots 412, a projection 413 is installed inside the fixture slot 412, and a first spring 414 is fixed between the projection 413 and the inner bottom wall of the fixture slot 412.
Through the inside installation lug 413 at draw-in groove 412, lug 413 can stretch out and draw back in draw-in groove 412's inside, and the tip of lug 413 is semi-circular setting to make lug 413 can reset through the first spring 414 that sets up, when left side board 31 with the inside wall of right side board 32 is contradicted the tank bottom of holding vessel, the second slot 35 cover is established the fixture block 41 surface, telescopic link 352 pegs graft in first slot 411 to compress second spring 43, simultaneously the lug 413 joint is in third slot 351, thereby make left side board 31 and right side board 32 shrink in the inside of holding vessel.
A first snap ring 25 is fixed on the outer surface of the second connector 2, a second snap ring 26 is fixed on one side of the first snap ring 25, a third snap ring 27 is fixed on one side of the second snap ring 26, and the diameter of the second snap ring 26 is larger than that of the first snap ring 25; when the first connector 1 is inserted into the second connector 2, due to the pushing of the second spring 43, the outer sidewalls of the left side plate 31 and the right side plate 32 are always attached to the inner sidewall of the first protruding ring 11, the inner walls of the left side plate 31 and the right side plate 32 are located at the top of the protrusion 413, and the inner walls of the left side plate 31 and the right side plate 32 cannot completely abut against the inner bottom wall of the storage slot.
A second protruding ring 13 is arranged on one side of the first protruding ring 11, the inner diameter of the second protruding ring 13 is the same as the outer diameter of the first snap ring 25, so that after the first snap ring 25 is inserted into the second protruding ring 13, the second protruding ring 13 has the function of supporting the first snap ring 25, the end of the installed first snap ring 25 is inserted into the first protruding ring 11, and simultaneously the second connector 2 is continuously screwed, the inner side wall of the second protruding ring 13 presses the inner side walls of the left side plate 31 and the right side plate 32 to abut against the inner bottom wall of the storage tank, so that the protrusion 413 is clamped in the third slot 351, when the second connector 2 needs to be detached from the inside of the first connector 1, the second snap ring 26 is continuously inserted into the inside of the second connector 2 by clockwise rotating the second connector 2, when the side wall of the second snap ring 26 is moved to contact with the side wall of the second protruding ring 13, and the connector cannot move inwards, at this time, the inner walls of the left side plate 31 and the right side plate 32 abut against the inner bottom wall of the storage groove, the projection 413 is clamped in the third slot 351, and then the second connector 2 is rotated anticlockwise, so that the second connector 2 is pulled out from the inside of the first connector 1, and the connector is detached.
The outer surface of the first snap ring 25 is provided with an external thread, the inner surface of the first convex ring 11 is provided with an internal thread matched with the external thread on the first snap ring 25, the storage tank is arranged between the first snap ring 25 and the second snap ring 26, the first connector 1 is in threaded connection with the second connector 2, when the second connector 2 is inserted by clockwise screwing, the left side plate 31 and the right side plate 32 are contracted into the storage tank, when the left side plate 31 and the right side plate 32 pass through the first convex ring 11, the left side plate 31 and the right side plate 32 are expanded, at the moment, the second connector 2 is screwed anticlockwise, the second connector 2 is moved towards the inserted reverse direction, at the moment, the end surfaces of the left side plate 31, the right side plate 32 and the splicing plate 33 extrude the sealing gasket 12, and internal fluid is prevented from seeping out through the middle of the first snap ring 25 and the convex ring by compressing the sealing gasket 12, improve sealed effect, realize the effect of back locking simultaneously, be difficult to pull out second fluid connector with first fluid connector under the normal condition, prevent that staff's maloperation from resulting in the fluid to reveal.
A sealing opening 14 is formed in one side of the first convex ring 11, and inserting rings 15 are formed in two sides of the first convex ring 11; one side of the sealing gasket 12 is provided with an insert sleeve 121, and the insert sleeve 121 is installed in the insert ring 15; an outer casing 28 is installed between the second snap ring 26 and the third snap ring, and an outer surface of the outer casing 28 is provided with an external thread, wherein after the second snap ring 26 is inserted into the first connector 1, the outer casing 28 is inserted into the sealing opening 14 by screwing the third snap ring 27.
Through having seted up insert ring 15, insert ring 15 and the mutual adaptation of the plug bush 121 on the sealed pad 12, the plug bush 121 inserts the inside of inserting ring 15, fix sealed pad 12 in the both sides of first bulge loop 11, sealed pad 12 is the rubber material, but sealed mouthful 14 sets up the tip at first connector 1, but outer jacket 28 threaded connection is in the one end of sealed mouthful 14 to the extrusion is located sealed pad 12 on the lateral wall of first bulge loop 11, when blockking up sealed mouthful 14, further improve sealed effect.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.