CN109114340B - Direct insertion type connector and socket and connecting assembly thereof - Google Patents
Direct insertion type connector and socket and connecting assembly thereof Download PDFInfo
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- CN109114340B CN109114340B CN201710496319.1A CN201710496319A CN109114340B CN 109114340 B CN109114340 B CN 109114340B CN 201710496319 A CN201710496319 A CN 201710496319A CN 109114340 B CN109114340 B CN 109114340B
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- locking sleeve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/22—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
- F16L37/23—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts by means of balls
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to the field of connectors, in particular to an in-line connector and a socket and a connecting assembly thereof. The direct-insertion type connector comprises a plug and a socket in plug-in fit with the plug, a lock ball mounting hole and a lock ball are arranged on a socket shell, a locking groove is formed in the plug shell, a locking sleeve is elastically assembled on the periphery of the socket shell and provided with an initial position, a locking position and an unlocking position, a locking sleeve jacking surface is arranged on the locking sleeve, and a plug shell jacking surface is arranged on the plug shell; the locking sleeve comprises a stopping piece, a self-resetting elastic piece for providing acting force for the stopping piece is arranged on the locking sleeve, the plug shell is provided with a lock ball retaining surface, and the stopping piece is provided with a rear stopping surface and an inner stopping surface; the locking sleeve is also provided with an avoiding part for the locking ball to enter to leave the locking groove when the locking sleeve is in the unlocking position.
Description
Technical Field
The invention relates to the field of connectors, in particular to an in-line connector and a socket and a connecting assembly thereof.
Background
With the continuous development of electronic elements in electronic equipment towards high frequency, high density and high integration, the problem of efficient heat dissipation of the electronic equipment is more and more prominent, and the liquid cooling heat dissipation technology is widely applied to the fields of aerospace, ships, communication, electric automobiles and the like at present. The fluid connector is used as an important component in a liquid cooling system, and has the main functions of realizing quick on-off of fluid passages such as pipelines and cold plates and the like and facilitating debugging and maintenance of electronic equipment.
Disclosure of Invention
The invention aims to provide a direct-insertion connector, which aims to solve the problem of complex operation caused by the fact that the plug and the socket of the existing direct-insertion connector can be inserted and closed only after a locking sleeve is pulled in place in the process of inserting and closing; another object of the present invention is to provide a receptacle and a connection assembly used for the direct-insertion connector.
In order to achieve the above object, a first aspect of the direct insertion connector of the present invention is: the direct-insertion type connector comprises a plug and a socket in plug-in fit with the plug, the front ends of the plug and the socket are plug ends, the socket comprises a socket shell, a lock ball mounting hole is formed in the socket shell, a lock ball is assembled in the lock ball mounting hole in a floating mode, the plug comprises a plug shell, a locking groove used for being in locking fit with the lock ball is formed in the plug shell, a locking sleeve is elastically assembled on the periphery of the socket shell and provided with an initial position, a locking position and an unlocking position which are arranged from front to back, a locking sleeve jacking surface is arranged on the locking sleeve, and a plug shell jacking surface used for pushing the locking sleeve to move to the locking position in a press fit mode with the locking sleeve jacking surface is arranged on the plug; the locking sleeve comprises a body and a stopping piece which is positioned at the front side of the lock ball when in initial position and can move back and forth relative to the body, the locking sleeve is also provided with a self-resetting elastic piece for providing acting force for the stopping piece, the plug shell is provided with a lock ball retaining surface which is positioned at the front side of the locking groove and is used for being matched with the lock ball to enable the lock ball to protrude out of the outer opening of the lock ball mounting hole, and the stopping piece is provided with a rear stopping surface which is matched with a part of the lock ball protruding out of the outer opening of the lock ball mounting hole before the locking sleeve moves from the initial position to the locking position and an inner stopping surface which is matched with the lock ball stopping to limit the lock ball to leave the locking groove after the locking sleeve moves; when the locking sleeve is in the initial position, the distance between the locking sleeve top pressing surface and the locking ball mounting hole in the front-back direction is larger than the distance between the locking groove and the plug shell top pressing surface, so that the self-resetting elastic piece is compressed before the locking sleeve moves to the locking position, and an avoiding part for allowing the locking ball to enter to leave the locking groove when the locking sleeve is in the unlocking position is further arranged on the locking sleeve.
The second technical scheme of the direct-insertion type connector comprises the following steps: in the first aspect of the direct insertion connector according to the present invention, the stopper is a retainer ring provided on the body, the inner stopper surface is formed by an inner peripheral surface of the retainer ring, and the escape portion is a recess provided on the retainer ring.
The third technical scheme of the direct-insertion type connector comprises the following steps: on the basis of the second technical scheme of the direct-insert connector, the baffle ring is assembled on the body in a sliding mode along the front-back direction, the front side and the back side of the baffle ring are respectively provided with the front side limiting barrel and the back side limiting barrel which extend along the front-back direction, the back stopping surface is located in the back side limiting barrel, the concave portion is formed by the front side surface of the baffle ring and the inner circumferential surface of the front side limiting barrel arranged on the baffle ring in a surrounding mode, and the radius difference between the inner circumferential surfaces of the front side limiting barrel and the back side limiting barrel and the outer circumferential surface of the socket shell is smaller than the diameter of the lock ball.
The fourth technical scheme of the direct plug-in connector comprises the following steps: on the basis of the third technical scheme of the direct-insertion connector, the stop piece is in sliding fit with the socket shell along the front-back direction through the outer peripheral surface of the rear limiting cylinder.
The fifth technical scheme of the direct-insertion type connector comprises the following steps: on the basis of the third technical scheme of the direct-insertion connector, the self-resetting elastic piece is a self-resetting spring which is arranged between the locking sleeve and the socket shell in a jacking mode, and the rear end of the self-resetting spring is sleeved on the outer peripheral surface of the front side limiting cylinder.
The sixth technical proposal of the direct-insertion type connector is as follows: in the in-line connector according to any one of the first to fifth aspects of the present invention, the rear stopper surface is an inclined surface inclined from the front to the rear from the inside to the outside.
The first technical scheme of the socket provided by the invention is as follows: the socket comprises a socket shell, a lock ball mounting hole is formed in the socket shell, a lock ball used for being in locking fit with a locking groove in a plug shell is assembled in the lock ball mounting hole in a floating mode, a locking sleeve is elastically assembled on the periphery of the socket shell and provided with an initial position, a locking position and an unlocking position which are arranged from front to back, and a locking sleeve top pressing surface used for being in top press fit with a plug shell top pressing surface and enabling the plug shell top pressing surface to push the locking sleeve to move to the locking position is formed in the locking sleeve; the locking sleeve comprises a body and a stopping piece which is positioned at the front side of the lock ball in an initial position and can move back and forth relative to the body, the locking sleeve is also provided with a self-resetting elastic piece for providing acting force for the stopping piece, and the stopping piece is provided with a rear stopping surface which is matched with a part of the lock ball protruding out of an outer opening of the lock ball mounting hole before the locking sleeve moves from the initial position to the locking position and an inner stopping surface which is matched with the lock ball to limit the lock ball to leave the locking groove after the locking sleeve moves to the locking position; when the locking sleeve is in the initial position, the distance between the locking sleeve top pressing surface and the locking ball mounting hole in the front-back direction is a set distance, so that the self-resetting elastic piece is compressed before the locking sleeve moves to the locking position, and an avoiding part for allowing the locking ball to enter to leave the locking groove when the locking sleeve is in the unlocking position is further arranged on the locking sleeve.
The second technical scheme of the socket provided by the invention is as follows: in the first aspect of the direct insertion connector according to the present invention, the stopper is a retainer ring provided on the body, the inner stopper surface is formed by an inner peripheral surface of the retainer ring, and the escape portion is a recess provided on the retainer ring.
The third technical scheme of the socket is as follows: on the basis of the second technical scheme of the direct-insert connector, the baffle ring is assembled on the body in a sliding mode along the front-back direction, the front side and the back side of the baffle ring are respectively provided with the front side limiting barrel and the back side limiting barrel which extend along the front-back direction, the back stopping surface is located in the back side limiting barrel, the concave portion is formed by the front side surface of the baffle ring and the inner circumferential surface of the front side limiting barrel arranged on the baffle ring in a surrounding mode, and the radius difference between the inner circumferential surfaces of the front side limiting barrel and the back side limiting barrel and the outer circumferential surface of the socket shell is smaller than the diameter of the lock ball.
The fourth technical scheme of the socket is as follows: on the basis of the third technical scheme of the direct-insertion connector, the stop piece is in sliding fit with the socket shell along the front-back direction through the outer peripheral surface of the rear limiting cylinder.
The fifth technical scheme of the socket provided by the invention is as follows: on the basis of the third technical scheme of the direct-insertion connector, the self-resetting elastic piece is a self-resetting spring which is arranged between the locking sleeve and the socket shell in a jacking mode, and the rear end of the self-resetting spring is sleeved on the outer peripheral surface of the front side limiting cylinder.
The sixth technical scheme of the socket provided by the invention is as follows: in the in-line connector according to any one of the first to fifth aspects of the present invention, the rear stopper surface is an inclined surface inclined from the front to the rear from the inside to the outside.
The first technical scheme of the connecting component provided by the invention is as follows: the connecting assembly comprises a first connecting piece and a second connecting piece in plug fit with the first connecting piece, the first connecting piece is provided with a cavity for the second connecting piece to insert, the front ends of the first connecting piece and the second connecting piece are plug ends, the first connecting piece is provided with a locking ball mounting hole and a locking ball which is assembled in the locking ball mounting hole in a floating mode, the second connecting piece is provided with a locking groove used for being in locking fit with the locking ball, the periphery of the first connecting piece is elastically assembled with a locking sleeve, the locking sleeve is provided with an initial position, a locking position and an unlocking position which are arranged from front to back, the locking sleeve is provided with a locking sleeve pressing surface facing the front, and the second connecting piece is provided with a second connecting piece pressing surface used for pushing the locking sleeve to move to the locking position in a press fit with the locking sleeve pressing; the locking sleeve comprises a body and a stopping piece which is positioned at the front side of the lock ball when in initial position and can move back and forth relative to the body, the locking sleeve is also provided with a self-resetting elastic piece for providing acting force for the stopping piece, the second connecting piece is provided with a lock ball retaining surface which is positioned at the front side of the locking groove and is used for being matched with the lock ball to enable the lock ball to protrude out of the outer opening of the lock ball mounting hole, and the stopping piece is provided with a rear stopping surface which is matched with a part of the lock ball protruding out of the outer opening of the lock ball mounting hole before the locking sleeve moves from the initial position to the locking position and an inner stopping surface which is matched with the lock ball stopping to limit the lock ball to leave the locking groove after the locking sleeve moves; when the locking sleeve is in the initial position, the distance between the locking sleeve top pressing surface and the locking ball mounting hole in the front-back direction is larger than the distance between the locking groove and the second connecting piece top pressing surface, so that the self-resetting elastic piece is compressed before the locking sleeve moves to the locking position, and the locking sleeve is further provided with an avoiding part for the locking ball to leave the locking groove and enter when the locking sleeve is in the unlocking position.
The second technical scheme of the connecting component is as follows: in the first aspect of the connecting assembly according to the present invention, the stopper is a retainer ring provided on the body, the inner stop surface is formed by an inner peripheral surface of the retainer ring, and the escape portion is a recess provided on the retainer ring.
The third technical scheme of the connecting component is as follows: on the basis of the second technical scheme of the connecting assembly, the baffle ring is assembled on the body in a sliding mode along the front-back direction, the front side and the back side of the baffle ring are respectively provided with the front side limiting barrel and the back side limiting barrel which extend along the front-back direction, the back stop surface is located in the back side limiting barrel, the concave portion is formed by the front side surface of the baffle ring and the inner circumferential surface of the front side limiting barrel arranged on the baffle ring in a surrounding mode, and the radius difference between the inner circumferential surfaces of the front side limiting barrel and the back side limiting barrel and the outer circumferential surface of the first connecting piece is smaller than the diameter of the lock ball.
The fourth technical scheme of the connecting component is as follows: on the basis of the third technical scheme of the connecting assembly, the stop piece is in sliding fit with the first connecting piece along the front-back direction through the peripheral surface of the rear side limiting cylinder.
The fifth technical scheme of the connecting assembly is as follows: on the basis of the third technical scheme of the connecting assembly, the self-resetting elastic piece is a self-resetting spring which is jacked between the locking sleeve and the first connecting piece, and the rear end of the self-resetting spring is sleeved on the peripheral surface of the front side limiting cylinder.
The sixth technical scheme of the connecting assembly is as follows: in any one of the first to fifth aspects of the connecting assembly according to the present invention, the backstop surface is a slope inclined from the front to the rear and from the inside to the outside.
The invention has the beneficial effects that: the socket shell is provided with a locking sleeve, the top pressing surface of the locking sleeve and the top pressing surface of the plug shell are in top press fit to drive the locking sleeve to move from an initial position to a locking position, and a blocking piece of the locking sleeve moves along with the locking sleeve body under the action of a self-resetting spring; with the insertion of the plug and the socket, the plug housing is inserted into the socket housing, the ball-retaining surface of the plug housing causes the ball to protrude out of the outer opening of the ball-mounting hole, the stop member of the locking sleeve continues to move until the backward stop surface of the stop member facing backward is in stop fit with the part of the ball protruding out of the outer opening of the ball-mounting hole, the ball is in stop fit with the stop member in the forward and backward directions, the plug housing continues to press the locking sleeve, the locking sleeve continues to move backward, the distance between the locking groove and the pressing surface of the plug housing in the forward and backward directions is smaller than the distance between the pressing surface of the locking sleeve and the ball-mounting hole, the self-resetting spring is compressed under the stop action of the ball, the relative position of the stop member and the ball is not changed until the plug and the socket are inserted in place, the locking sleeve is in the locking position, the locking groove is aligned with the ball-mounting hole, and the ball enters the locking groove under the action of the stop member and the resetting spring, the stopping piece resets under the action of the self-resetting elastic piece, the lock ball cannot leave the locking groove under the action of the inner stopping surface on the stopping piece, which faces to the lock ball mounting hole, and the plug and the socket are automatically locked at the moment. When the locking device needs to be unlocked, the locking sleeve is pulled backwards until the blocking action of the blocking piece on the locking ball is released, the locking ball can enter the avoiding part on the locking sleeve and leave the locking groove to complete unlocking, the locking sleeve is loosened after unlocking is completed, the locking sleeve elastically assembled on the socket automatically resets to the initial position, and in the resetting process of the locking sleeve, the locking ball can protrude out of the inner opening of the locking ball mounting hole so as to reset the blocking piece. The direct-insert connector does not need to operate the locking sleeve in the locking process, is simple to operate, and solves the problem of complex operation caused by the fact that the plug and the socket of the conventional direct-insert connector can be inserted after the locking sleeve is pulled in place in the inserting process.
Drawings
FIG. 1 is a schematic view of a plug and socket of an embodiment of an in-line connector of the present invention locked;
FIG. 2 is a schematic diagram of the receptacle of an embodiment of the in-line connector of the present invention;
FIG. 3 is a schematic diagram of a plug of an embodiment of the in-line connector of the present invention;
FIG. 4 is a schematic view of an embodiment of an in-line connector of the present invention with the plug and receptacle initially mated;
FIG. 5 is a schematic view of the plug housing of the embodiment of the in-line connector of the present invention shown in a state in which it begins to press against the locking sleeve;
FIG. 6 is a schematic view of a plug and socket of an embodiment of the in-line connector of the present invention in position and locked;
fig. 7 is a schematic view of an embodiment of the in-line connector of the present invention with the locking sleeve pulled back.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In the embodiment of the direct plug connector of the present invention, as shown in fig. 1 to 3, the direct plug connector includes a plug 1 and a socket 2 that is mated with the plug 1, and the front ends of the plug 1 and the socket 2 are both plug ends. In the present embodiment, the plug 1 and the receptacle 2 are both fluid connectors, and in other embodiments, the plug 1 and the receptacle 2 may also be electrical connectors, optical fiber connectors, and the like.
The socket 2 includes a socket housing 21, and the socket housing 21 is provided with a lock ball mounting hole 211 and a lock ball 22 that is float-fitted in the lock ball mounting hole 211, in order to prevent the lock ball 22 from entering the inside of the socket housing 21, in this embodiment, a throat structure is provided at an opening 2112 in the lock ball mounting hole. The socket shell 21 is sleeved with a locking sleeve 23, the locking sleeve 23 is elastically assembled on the socket shell 21, a locking sleeve self-resetting spring 24 is arranged between the socket shell 21 and the locking sleeve 23 in a propping mode, the front end of the locking sleeve self-resetting spring 24 is arranged on the locking sleeve 23 in the propping mode, and the rear end of the locking sleeve self-resetting spring 24 is arranged on the socket shell 21 in the propping mode. The plug 1 comprises a plug shell 11, a locking groove 111 used for being locked and matched with the locking ball 22 is formed in the plug shell 11, and the locking ball 22 is matched with the locking groove 111 to lock the plug 1 and the socket 2.
The locking sleeve 23 can move back and forth relative to the socket housing 21, in the embodiment, the locking sleeve 23 is slidably assembled on the socket housing 21 along the back and forth direction, the locking sleeve 23 has an initial position, a locking position and an unlocking position on the stroke of the front to back movement, and the initial position, the locking position and the unlocking position of the locking sleeve 23 are sequentially arranged from front to back in the embodiment.
When the locking sleeve 23 is in the initial position, the front end of the locking sleeve 23 extends out of the socket housing 21, the front end surface of the locking sleeve 23 is a locking sleeve pressing surface 231 which is used for being in pressing fit with the plug housing 11 when the socket 2 is inserted into the plug 1, correspondingly, the plug housing 11 is provided with a plug housing pressing surface 112 corresponding to the locking sleeve pressing surface 231, and in the process of inserting the plug 1 into the socket 2, the plug housing pressing surface 112 and the locking sleeve pressing surface 231 are in pressing fit to push the locking sleeve 23 to move to the locking position.
The locking sleeve 23 comprises a body 232 and a stop ring 233 which is in the initial position in front of the lock ball 22 and can be moved back and forth relative to the body 232, the stop ring 233 constituting a stop of the locking sleeve which is in the initial position in front of the lock ball and can be moved back and forth relative to the body.
The locking sleeve 23 is further provided with a retainer self-resetting spring 234 for providing acting force for the retainer 233, the front end of the retainer self-resetting spring 234 is jacked on the locking sleeve 23, and the rear end of the retainer self-resetting spring 234 is jacked on the front side surface of the retainer 233. The retainer 233 is mounted to the body by a retainer self-return spring 234. In this embodiment, the front and rear sides of the retainer ring 233 are symmetrically provided with a front limiting cylinder 235 and a rear limiting cylinder 236 extending in the front-rear direction, and the difference between the radius of the inner peripheral surfaces of the front and rear limiting cylinders and the outer peripheral surface of the receptacle housing 21 is smaller than the diameter of the lock ball 22 to limit the lock ball 22 from leaving the lock ball mounting hole 211. The retainer ring self-resetting spring 234 forms a self-resetting elastic element for providing acting force for the retainer on the locking sleeve 23. In this embodiment, the retainer ring 233, the front limiting cylinder 235, and the rear limiting cylinder 236 are integrally formed.
The outer peripheral surface of the plug housing 11 at the front side of the locking groove 111 constitutes a lock ball holding surface 113, and the lock ball holding surface 113 is used to engage with the lock ball 22 before the lock sleeve 23 moves from the initial position to the locked position so that the lock ball 22 protrudes out of the lock ball mounting hole outer opening 2111. The rear side of the retainer ring 233 includes a rear stop surface 2331 inside the rear limiting cylinder 236 and a rear locating surface 2332 outside the rear limiting cylinder 236, the rear locating surface 2332 is in locating engagement with the body 232. The backstop surface 2331 is in backstop engagement with the portion of the lock ball 22 protruding out of the lock ball mounting hole outer opening 2111 before the lock sleeve 23 is moved from the home position to the locked position, and the backstop surface 2331 in this embodiment is angled from front to back inwardly and outwardly to guide the lock ball 22 into the lock slot 111 after the lock ball mounting hole 211 is aligned with the lock slot 111. The inner circumferential surface of the stopper ring 233, which is formed as an inner stopper surface 2333 provided on the stopper ring 233 in this embodiment, faces the lock ball mounting hole outer opening 2111 after the lock sleeve 23 moves to the locking position and the lock ball 22 enters the lock groove 111 and is in stopper engagement with the lock ball 22 to restrict the lock ball 22 from leaving the lock groove 111.
The front end surface of the socket shell 21 is matched with the socket shell 21 in a positioning way after the plug 1 and the socket 2 are inserted, and the front end surface of the socket shell 21 forms a socket arrival surface of the socket shell. The plug housing 11 is provided with a plug locating surface 113 which is matched with the front end surface of the socket housing 21 in a locating way, the plug locating surface 113 and the plug housing top pressing surface 112 are positioned on the same plane, the distance between the front end surface of the socket housing 21 and the lock ball mounting hole 211 in the front-back direction is approximately equal to the distance between the plug locating surface 113 and the lock groove 111 in the front-back direction, and the lock ball mounting hole 211 is aligned with the lock groove 111 after the plug 1 and the socket 2 are inserted in place so that the lock ball 22 can enter the lock groove 111.
When the locking sleeve 23 is in the initial position, the distance between the retaining ring 233 and the locking sleeve pressing surface 231 in the front-back direction is substantially equal to the distance between the locking groove 111 and the plug housing pressing surface 112 in the front-back direction, so that the inner retaining surface 2333 of the retaining ring 233 is positioned at the outer opening of the locking ball mounting hole 211 after the locking ball 22 enters the locking groove 111 to limit the locking ball 22 from falling out of the locking ball mounting hole 211.
To ensure that the retainer 233 can move into radial alignment with the lock ball mounting hole 211 to restrain the lock balls 22 from leaving the lock grooves 111 after the lock sleeve 23 has moved to the lock position, the distance between the lock sleeve abutment surface 231 and the lock ball mounting hole 211 in the forward-rearward direction when the lock sleeve 23 is in the initial position is greater than the distance between the lock grooves 111 and the plug housing abutment surface 112 in the forward-rearward direction to allow the retainer self-return spring 234 to be compressed before the lock sleeve 23 moves to the lock position. After lock ball 22 enters locking slot 111, retainer 233 moves rearward into alignment with lock ball mounting hole 211 under the influence of retainer self-return spring 234, and compressed retainer self-return spring 234 also acts to push lock ball 22 into locking slot 111 through retainer 233.
The front side of the retainer ring 233 includes a front stop surface 2334 inside the front stop cylinder 235 and an annular mounting surface 2335 outside the front stop cylinder 235. The front stopper surface 2334 is disposed to be inclined from the outside to the inside in the front-to-rear direction. The rear section of the retainer ring self-resetting spring 234 in this embodiment is sleeved on the outer peripheral surface of the front side limiting cylinder 235, and the rear end of the retainer ring self-resetting spring 234 is mounted on the annular mounting surface 2335 in a jacking manner.
In order to ensure stability when the stopper ring 233 moves in the forward and backward directions, in the present embodiment, the outer peripheral surface of the rear-side restricting cylinder 236 is slidably fitted to the receptacle housing 21. The retainer 233 is supported on the body by the rear end surface of the rear limiting cylinder 236 and the rear positioning surface of the retainer 233 under the action of the retainer self-resetting spring 234.
The front stop surface 2334 of the locking sleeve 23 and the front barrel 235 define a recess 2336 formed in the retainer ring 233, which in this embodiment forms a relief portion formed in the locking sleeve 23 for the entry of the locking ball 22 out of the locking groove 111 when the locking sleeve 23 is in the unlocked position. After the locking sleeve 23 moves backwards from the locking position to the unlocking position, the stop ring 233 moves backwards together with the body, the inner stop surface 2333 on the stop ring 233 releases the stop limit function on the lock ball 22, at this time, the plug 1 and the socket 2 are pulled to be separated from each other, the lock ball 22 enters the concave part on the locking sleeve 23, the locking function on the plug 1 and the socket 2 is released after the lock ball 22 is separated from the locking groove 111, and the plug 1 and the socket 2 can be separated.
The body in this embodiment is composed of two parts: the body 232 of the locking sleeve 23 comprises a connecting cap 2311 at the rear side and a retaining ring mounting seat 2312 fixedly connected with the connecting cap, wherein the retaining ring mounting seat 2312 is in threaded connection with the connecting cap 2311 in the embodiment. The locking sleeve is arranged at the rear end of the connecting cap 2311 from the top of the reset spring 24, a front positioning boss is arranged on the socket shell 21, and the connecting cap is arranged on the positioning boss from the top of the locking sleeve from the reset spring 24. In this embodiment, when the plug 1 and the socket 2 are unlocked, the locking sleeve 23 needs to be pulled backwards, and the socket housing 21 is provided with an unlocking positioning boss 212, which plays a role of unlocking the in-place mark.
The locking groove 111 in this embodiment is an annular groove with a trapezoidal cross section, and compared with an annular groove with a circular cross section, the annular groove with a trapezoidal cross section can reduce the matching precision of the locking ball 22 and the locking groove 111, and improve the accuracy of operation. The connector in this embodiment is a fluid connector, a movable sealing sleeve 25 and a fixed valve core 26 are movably assembled in the socket housing 21, and a movable valve core 12 is movably assembled in the plug housing 11. The socket housing 21 includes a valve chamber section for enclosing a sealed valve chamber with the fixed valve core 26 and the movable sealing sleeve 25, and a locking section at the front side of the valve chamber section, and the locking ball mounting hole 211 is provided at the locking section.
The locking and unlocking process of the direct-insertion type connector is described in detail as follows:
as shown in fig. 4, when the plug 1 and the socket 2 are initially inserted, the locking sleeve 23 is in the initial position, and the retainer 233 is pressed against the connecting cap by the retainer self-resetting spring 234. The lock balls 22 project through the outer openings of the lock ball mounting holes 211 by the lock ball holding surfaces 113 on the plug 1, and the distances between the lock balls 22 in the front-rear direction and the lock grooves 111 on the plug housing 11 become smaller as the plug 1 is inserted further.
As shown in fig. 5, the depth of the plug housing 11 inserted into the socket housing 21 continues to increase, the plug housing pressing surface 112 on the plug housing 11 contacts with the locking sleeve pressing surface 231, as the plug 1 continues to be inserted, the locking sleeve pressing surface 231 is pressed and matched with the plug housing pressing surface 112, the locking sleeve 23 starts to move backward relative to the socket housing 21 under the pressing action of the plug housing 11, i.e., to move to the locking position, the stop ring 233 also moves backward along with the locking groove 111, the plug 1 continues to be inserted, and the distance between the locking ball 22 and the locking groove 111 and the stop ring 233 in the front-back direction decreases until the locking ball 22 contacts with the rear stop surface 2331 of the stop ring 233.
After the lock ball 22 contacts the rear stop surface 2331 of the stopper ring 233, due to the action of the lock ball retaining surface 113 on the plug housing 11, the portion of the lock ball 22 protruding out of the lock ball mounting hole 2111 is in stop fit with the stopper ring 233, the stopper ring 233 continues to move backward with the lock sleeve 23, at this time, with the insertion of the plug 1, the body of the lock sleeve 23 continues to move backward under the pressing action of the plug housing 11, and the stopper ring self-reset spring 234 is compressed until the plug-to-position surface 113 on the plug housing 11 contacts the front end surface of the socket housing 21, and the plug 1 is inserted in place, as shown in fig. 6. After the plug 1 and the socket 2 are inserted in place, the locking groove 111 is aligned with the lock ball 22, the stop ring 233 is acted by the force of the stop ring self-resetting spring 234 backwards, the lock ball 22 enters the locking groove 111 under the action of the stop ring 233, the stop ring 233 self-resets under the action of the elastic self-resetting spring after the lock ball 22 enters the locking groove 111, and the inner stop surface 2333 on the stop ring 233 is positioned at the outer opening of the lock ball mounting hole 211 and matched with the lock ball 22 in a radial stop manner along the stop ring 233 to limit the lock ball 22 to leave the locking groove 111. At the moment, the plug 1 and the socket 2 complete self-locking, and the locking can be completed after the plug 1 and the socket 2 are inserted in place without operating the locking sleeve 23 in the whole locking process. The direct-insertion type connector does not need to operate the locking sleeve 23 in the locking process, and is simple to operate.
When unlocking, as shown in fig. 7, the locking sleeve 23 is pulled backwards to the unlocking position, the stop ring 233 moves backwards together with the locking sleeve 23, the inner stop surface 2333 of the stop ring 233 is far away from the outer opening of the lock ball mounting hole 211, and the stop limiting effect on the lock ball 22 is released, at this time, when the plug 1 is pulled outwards, the lock ball 22 can move outwards along the radial direction of the socket housing 21 and enter the concave part on the stop ring 233 to leave the locking groove 111, so that the locking of the socket 2 of the plug 1 is released, and the plug 1 and the socket 2 can be separated. After the plug 1 and the socket 2 are separated, the locking sleeve 23 is released, and the locking sleeve 23 is reset to the initial position under the action of the locking sleeve self-resetting spring 24. In the process of separating the plug 1 and the socket 2, the lock ball 22 protrudes out of the outer opening of the lock ball mounting hole 211 under the action of the lock ball retaining surface 113, the part of the lock ball 22 protruding out of the lock ball mounting hole 211 and the front stop surface 2334 of the stop ring 233 are in stop fit in the front-rear direction to limit the forward movement of the stop ring 233, the rear positioning surface of the stop ring 233 stops the forward movement of the body, at the moment, the stop sleeve is kept in the unlocking position until the lock ball retaining surface 113 on the plug housing 11 is separated from the lock ball 22, the lock ball 22 moves into the lock ball mounting hole 211 under the action of the stop ring 233, the stop action of the lock ball 22 on the stop ring 233 is released, and the lock sleeve 23 self-resets to the initial position under the action of the lock sleeve self-resetting spring 24.
In the embodiment of the socket of the present invention, the structure of the socket in this embodiment is the same as that of the socket described in the above embodiment of the in-line connector, and details are not repeated.
In a specific embodiment of the connection assembly of the present invention, the connection assembly includes a first connection element and a second connection element that is in plug-in fit with the first connection element, the first connection element in this embodiment has the same structure as the socket housing in the specific embodiment of the above-mentioned in-line connector, and the second connection element is the same as the connector of the plug 1 in the specific embodiment of the above-mentioned in-line connector, and therefore, details thereof are omitted. In other embodiments, the first and second connectors may be two interconnected connecting shells or connecting cylinders.
In other embodiments of the connector, the socket and the connecting assembly of the connector of the present invention, the avoiding portion for the lock ball to enter on the retainer ring may be further disposed on the retainer ring mounting seat, and the avoiding portion on the retainer ring mounting seat is disposed on the front side of the retainer ring, so that a distance required to be pulled backward when unlocking is performed is relatively large.
In other embodiments, the front side limiting cylinder and the rear side limiting cylinder on the retainer ring may not be provided, the limiting lock ball does not leave the lock ball mounting hole, and the inner circumferential surface of the body of the locking sleeve can be relied on, so that the whole rear side surface of the retainer ring forms a rear retaining surface; the purpose of the back stop surface is to avoid damage to the surface of the lock ball, and the back stop surface may not be an inclined surface but may be a plane extending in the radial direction of the socket housing under the condition that the material strength of the lock ball is high or the requirement for protection of the lock ball is low.
In other embodiments, the stopping member may not be a stopping ring, and the stopping member may be disposed above the stopping blocks corresponding to the lock balls on the lock sleeve, where each lock ball corresponds to one stopping block or at least two lock balls correspond to one stopping block, and the stopping blocks should be slidably assembled on the lock sleeve along the front-back direction.
In other embodiments, the plug seating surface and the plug abutting surface on the plug housing, which are used for being matched with the front end surface of the socket housing, may not be located on the same plane, and the plug seating surface and the plug abutting surface may be arranged in a front-back manner.
Claims (15)
1. Formula connector cut straightly, including the plug, with plug grafting complex socket, the front end of plug and socket is the grafting end, the socket includes socket shell, is equipped with the lock ball mounting hole on the socket shell, the unsteady lock ball that is equipped with in the lock ball mounting hole, the plug includes plug housing, be equipped with on the plug housing be used for with lock ball locking complex locking groove, socket housing's peripheral elasticity is equipped with lock sleeve, its characterized in that: the locking sleeve is provided with an initial position, a locking position and an unlocking position which are arranged from front to back, the locking sleeve is provided with a locking sleeve jacking surface, and the plug shell is provided with a plug shell jacking surface which is used for pushing and pressing the locking sleeve to move to the locking position in a jacking and press-fit mode with the locking sleeve jacking surface; the locking sleeve comprises a body and a stopping piece which is positioned at the front side of the lock ball in the initial position and can move forwards and backwards relative to the body, and the stopping piece is a stopping ring arranged on the body; the body of the locking sleeve comprises a connecting cap at the rear side and a baffle ring mounting seat fixedly connected with the connecting cap, and the baffle ring mounting seat is in threaded connection with the connecting cap; a locking sleeve self-resetting spring is arranged between the socket shell and the locking sleeve in a propping manner, the front end of the locking sleeve self-resetting spring is arranged at the rear end of the connecting cap in a propping manner, and the rear end of the locking sleeve self-resetting spring is arranged on the socket shell in a propping manner; the locking sleeve is also provided with a self-resetting elastic piece for providing acting force for the stop piece, the self-resetting elastic piece is a stop ring self-resetting spring which is jacked between the locking sleeve and the socket shell, the stop ring is assembled on the body in a sliding mode along the front and back direction, and the stop ring is jacked on the body through the stop ring self-resetting spring; the plug shell is provided with a lock ball retaining surface which is positioned on the front side of the locking groove and is used for being matched with the lock ball to enable the lock ball to protrude out of the outer opening of the lock ball mounting hole, the stop piece is provided with a rear stop surface which is matched with the part of the lock ball protruding out of the outer opening of the lock ball mounting hole in a stop way before the locking sleeve moves from the initial position to the locking position, and an inner stop surface which is matched with the lock ball stop to limit the lock ball to leave the locking groove after the locking sleeve moves to the locking position, and the inner stop surface is formed by the inner circumferential surface of the stop ring; when the lock sleeve is in the initial position, the distance between the locking sleeve top pressing surface and the lock ball mounting hole in the front-back direction is greater than the distance between the locking groove and the plug shell top pressing surface so that the self-resetting elastic piece is compressed before the lock sleeve moves to the locking position, when the plug and the socket start to be inserted, the lock ball protrudes out of the outer opening of the lock ball mounting hole under the action of the lock ball retaining surface on the plug, the lock sleeve is further provided with an avoiding part which is used for allowing the lock ball to enter the locking groove when the lock sleeve is in the unlocking position, and the avoiding part is a concave part arranged on the retaining ring.
2. An in-line connector according to claim 1, wherein: the front side and the rear side of the baffle ring are respectively provided with a front side limiting cylinder and a rear side limiting cylinder which extend along the front-rear direction, the rear baffle surface is positioned in the rear side limiting cylinder, the concave part is defined by the front side surface of the baffle ring and the inner peripheral surface of the front side limiting cylinder arranged on the baffle ring, and the radius difference between the inner peripheral surfaces of the front side limiting cylinder and the rear side limiting cylinder and the outer peripheral surface of the socket shell is smaller than the diameter of the lock ball.
3. An in-line connector according to claim 2, wherein: the stop piece is in sliding fit with the socket shell along the front and back directions through the peripheral surface of the rear side limiting cylinder.
4. An in-line connector according to claim 2, wherein: the rear end of the retaining ring self-resetting spring is sleeved on the outer peripheral surface of the front side limiting cylinder.
5. An in-line connector according to any of claims 1-4, wherein: the rear stop surface is an inclined surface which is obliquely arranged from front to back from inside to outside.
6. Socket, including socket shell, the last lock ball mounting hole that is equipped with of socket shell, the unsteady lock ball that is equipped with in the lock ball mounting hole and is used for with the locking groove lock tight fit on the plug housing, socket shell's peripheral elasticity is equipped with the lock sleeve, its characterized in that: the locking sleeve is provided with an initial position, a locking position and an unlocking position which are arranged from front to back, and the locking sleeve is provided with a locking sleeve top pressure surface which is used for being in top press fit with the plug shell top pressure surface and enabling the plug shell top pressure surface to push the locking sleeve to move to the locking position; the locking sleeve comprises a body and a stopping piece which is positioned at the front side of the lock ball in the initial position and can move forwards and backwards relative to the body, and the stopping piece is a stopping ring arranged on the body; the body of the locking sleeve comprises a connecting cap at the rear side and a baffle ring mounting seat fixedly connected with the connecting cap, and the baffle ring mounting seat is in threaded connection with the connecting cap; a locking sleeve self-resetting spring is arranged between the socket shell and the locking sleeve in a propping manner, the front end of the locking sleeve self-resetting spring is arranged at the rear end of the connecting cap in a propping manner, and the rear end of the locking sleeve self-resetting spring is arranged on the socket shell in a propping manner; the locking sleeve is also provided with a self-resetting elastic piece for providing acting force for the stop piece, the self-resetting elastic piece is a stop ring self-resetting spring which is jacked between the locking sleeve and the socket shell, the stop ring is assembled on the body in a sliding mode along the front and back direction, and the stop ring is jacked on the body through the stop ring self-resetting spring; the stopping piece is provided with a rear stopping surface which is in stopping fit with the part of the lock ball protruding out of the outer opening of the lock ball mounting hole before the locking sleeve moves from the initial position to the locking position, and an inner stopping surface which is matched with the lock ball stopping to limit the lock ball to leave the locking groove after the locking sleeve moves to the locking position, wherein the inner stopping surface is formed by the inner circumferential surface of the stopping ring; when the locking sleeve is in the initial position, the distance between the locking sleeve top pressing surface and the locking ball mounting hole in the front-back direction is a set distance so that the self-resetting elastic piece is compressed before the locking sleeve moves to the locking position, when the plug and the socket start to be inserted, the locking ball protrudes out of the outer opening of the locking ball mounting hole under the action of the locking ball retaining surface on the plug, an avoiding portion which is used for allowing the locking ball to enter to leave the locking groove when the locking sleeve is in the unlocking position is further arranged on the locking sleeve, and the avoiding portion is a concave portion arranged on the retaining ring.
7. The receptacle of claim 6, wherein: the front side and the rear side of the baffle ring are respectively provided with a front side limiting cylinder and a rear side limiting cylinder which extend along the front-rear direction, the rear baffle surface is positioned in the rear side limiting cylinder, the concave part is defined by the front side surface of the baffle ring and the inner peripheral surface of the front side limiting cylinder arranged on the baffle ring, and the radius difference between the inner peripheral surfaces of the front side limiting cylinder and the rear side limiting cylinder and the outer peripheral surface of the socket shell is smaller than the diameter of the lock ball.
8. The receptacle of claim 7, wherein: the stop piece is in sliding fit with the socket shell along the front and back directions through the peripheral surface of the rear side limiting cylinder.
9. The receptacle of claim 7, wherein: the rear end of the retaining ring self-resetting spring is sleeved on the outer peripheral surface of the front side limiting cylinder.
10. A socket according to any one of claims 6 to 9, wherein: the rear stop surface is an inclined surface which is obliquely arranged from front to back from inside to outside.
11. Coupling assembling, including first connecting piece and with first connecting piece grafting complex second connecting piece, first connecting piece has and supplies second connecting piece male cavity, the front end of first connecting piece and second connecting piece is the end of pegging graft, be equipped with the lock ball mounting hole on the first connecting piece, the unsteady lock ball that is equipped with in the lock ball mounting hole, be equipped with on the second connecting piece be used for with lock ball locking complex locking groove, the peripheral elasticity of first connecting piece is equipped with the lock sleeve, its characterized in that: the locking sleeve is provided with an initial position, a locking position and an unlocking position which are arranged from front to back, the locking sleeve is provided with a locking sleeve jacking surface facing to the front, and the second connecting piece is provided with a second connecting piece jacking surface which is used for pushing the locking sleeve to move to the locking position by jacking and press-fitting with the locking sleeve jacking surface; the locking sleeve comprises a body and a stopping piece which is positioned at the front side of the lock ball in the initial position and can move forwards and backwards relative to the body, and the stopping piece is a stopping ring arranged on the body; the body of the locking sleeve comprises a connecting cap at the rear side and a baffle ring mounting seat fixedly connected with the connecting cap, and the baffle ring mounting seat is in threaded connection with the connecting cap; the locking sleeve self-resetting spring is arranged between the first connecting piece and the locking sleeve in a propping manner, the front end of the locking sleeve self-resetting spring is arranged at the rear end of the connecting cap in a propping manner, the rear end of the locking sleeve self-resetting spring is arranged on the first connecting piece in a propping manner, the locking sleeve is also provided with a self-resetting elastic piece for providing acting force for the stop piece, the self-resetting elastic piece is a retaining ring self-resetting spring arranged between the locking sleeve and the first connecting piece in a propping manner, the retaining ring is assembled on the body in a sliding manner along the front-back direction, and the retaining ring is arranged on the body in a propping manner through the retaining; the second connecting piece is provided with a lock ball retaining surface which is positioned on the front side of the locking groove and is used for being matched with the lock ball to enable the lock ball to protrude out of the outer opening of the lock ball mounting hole, the stopping piece is provided with a rear stopping surface which is matched with the part of the lock ball protruding out of the outer opening of the lock ball mounting hole before the locking sleeve moves from the initial position to the locking position, and an inner stopping surface which is matched with the lock ball stopper to limit the lock ball to leave the locking groove after the locking sleeve moves to the locking position, and the inner stopping surface is formed by the inner circumferential surface of the stopping ring; when the locking sleeve is in the initial position, the distance between the locking sleeve jacking surface and the locking ball mounting hole in the front-back direction is greater than the distance between the locking groove and the second connecting piece jacking surface so that the self-resetting elastic piece is compressed before the locking sleeve moves to the locking position, when the first connecting piece and the second connecting piece start to be inserted, the locking ball protrudes out of the outer opening of the locking ball mounting hole under the action of the locking ball retaining surface on the second connecting piece, and the locking sleeve is further provided with an avoiding part which is used for the locking ball to leave the locking groove to enter when the locking sleeve is in the unlocking position, wherein the avoiding part is a concave part arranged on the retaining ring.
12. The connection assembly of claim 11, wherein: the front side and the rear side of the baffle ring are respectively provided with a front side limiting cylinder and a rear side limiting cylinder which extend along the front-rear direction, the rear baffle surface is positioned in the rear side limiting cylinder, the concave part is defined by the front side surface of the baffle ring and the inner peripheral surface of the front side limiting cylinder arranged on the baffle ring, and the radius difference between the inner peripheral surfaces of the front side limiting cylinder and the rear side limiting cylinder and the outer peripheral surface of the first connecting piece is smaller than the diameter of the lock ball.
13. The connection assembly of claim 12, wherein: the stop piece is in sliding fit with the first connecting piece along the front-back direction through the peripheral surface of the rear side limiting cylinder.
14. The connection assembly of claim 12, wherein: the rear end of the retaining ring self-resetting spring is sleeved on the outer peripheral surface of the front side limiting cylinder.
15. A connection assembly according to any of claims 11-14, wherein: the rear stop surface is an inclined surface which is obliquely arranged from front to back from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710496319.1A CN109114340B (en) | 2017-06-26 | 2017-06-26 | Direct insertion type connector and socket and connecting assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710496319.1A CN109114340B (en) | 2017-06-26 | 2017-06-26 | Direct insertion type connector and socket and connecting assembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109114340A CN109114340A (en) | 2019-01-01 |
| CN109114340B true CN109114340B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710496319.1A Active CN109114340B (en) | 2017-06-26 | 2017-06-26 | Direct insertion type connector and socket and connecting assembly thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110153919A (en) * | 2019-06-13 | 2019-08-23 | 中科宝航(上海)智能技术研究有限公司 | Electric lock ball device for positioning support |
| FR3099224B1 (en) * | 2019-07-26 | 2021-08-06 | Staubli Sa Ets | Male fluidic connection element, fluidic connection comprising such a male element and method of assembling such a male element |
| CN110600938A (en) * | 2019-09-04 | 2019-12-20 | 河南中平瀚博新能源有限责任公司 | Power battery connector assembly |
| CN114678745B (en) * | 2022-03-21 | 2023-09-26 | 中航光电科技股份有限公司 | Self-locking connector |
| CN118412703B (en) * | 2024-07-01 | 2024-08-23 | 山东省水利勘测设计院有限公司 | Cable connector |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2630524B1 (en) * | 1988-04-20 | 1990-08-03 | Parker Hannifin Rak Sa | VALVE COUPLER WITH MOBILE OUTER SOCKET |
| CN2890565Y (en) * | 2005-12-10 | 2007-04-18 | 黄宗德 | Quick joint for making one-way valve forepart unable to contain pilot valve when system or pipeline has pressure |
| CN201038512Y (en) * | 2007-04-27 | 2008-03-19 | 西安科耐特科技有限责任公司 | Quick inserting self-locking radio frequency connector |
| JP5491840B2 (en) * | 2009-12-07 | 2014-05-14 | 東京瓦斯株式会社 | Joint member |
| CN201810828U (en) * | 2010-10-20 | 2011-04-27 | 闻长庆 | Automatic filling connector valve |
| CN102820587B (en) * | 2012-07-27 | 2014-10-22 | 中航光电科技股份有限公司 | Connector |
| JP6077333B2 (en) * | 2013-02-21 | 2017-02-08 | ジョプラックス株式会社 | Lock ball fitting |
| CN203215165U (en) * | 2013-04-15 | 2013-09-25 | 江西艾克实业有限公司 | Push-pull-type quick connector |
| US9502822B1 (en) * | 2015-12-01 | 2016-11-22 | Chung-Chuan Huang | Ball-lock axial connector assembly |
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2017
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