CN115441256A - Waterproof quick-locking connector - Google Patents

Abstract

The application relates to the technical field of connectors and discloses a waterproof quick-lock connector, include: the socket comprises a base and a jack module arranged in the base; the plug comprises a pin module and a locking assembly, the pin module is in plug-in fit with the jack module along the axial direction of the connector, and the locking assembly is used for locking the plug and the socket mutually; the contact pin module comprises an insulating sleeve, the locking assembly comprises an inner sleeve and a locking sleeve, and the inner sleeve and the locking sleeve are sequentially sleeved on the insulating sleeve; the locking cover is provided with an elastic locking part, the inner wall of the base is provided with a locking groove, and when the plug is plugged with the socket, the locking part is limited in the locking groove by the inner sleeve. The connector is good in plugging stability.

Description

Waterproof quick-locking connector

Technical Field

The application relates to the technical field of connectors, in particular to a waterproof quick-locking connector.

Background

Connectors, also known domestically as connectors, plugs and sockets. Generally referred to as an electrical connector. I.e., a device that connects two active devices, carrying a current or signal. A connector is a component that is frequently contacted by an electrical engineering technician. Its effect is very simple: a bridge for communication is erected between the blocked parts or isolated and non-communicated circuits in the circuit, so that current flows, and the circuit achieves a preset function.

The socket in the connector is usually installed on the side wall of the equipment or the controller, the plug is connected with the wire, and the pin of the plug is correspondingly inserted into the jack in the socket so as to realize the circulation of current.

In the traditional scheme, in order to guarantee the convenience of plugging and unplugging between plug and the socket, the plug is connected with the socket only through the interference fit of contact pin and jack usually, and the problem of loose joint is easily caused by the tension of cable, so that the connection stability of the connector is poor.

Disclosure of Invention

In order to improve the problem of poor connection stability of the prior art connector,

the application provides a waterproof quick lock connector adopts following scheme:

a waterproof quick-lock connector comprising:

the socket comprises a base and a jack module arranged inside the base;

the plug comprises a pin module and a locking assembly, the pin module is in inserting fit with the jack module along the axial direction of the connector, and the locking assembly is used for locking the plug and the socket mutually;

the pin inserting module comprises an insulating sleeve, the locking assembly comprises an inner sleeve and a locking sleeve, and the inner sleeve and the locking sleeve are sequentially sleeved on the insulating sleeve; the locking sleeve is provided with an elastic locking part, the inner wall of the base is provided with a locking groove, and when the plug is plugged with the socket, the locking part is limited in the locking groove by the inner sleeve.

Through adopting above-mentioned scheme, plug and socket matched with in-process use through the cooperation of endotheca, overcoat and locking cover, and the endotheca is followed the trend and is spacing in the locking inslot with the locking portion that the locking sheathes to make the locking portion by spacing and can't reverse extract. In the conventional scheme, usually, the plug and the socket are connected only through interference fit of the contact pin and the jack, and the connection position is easy to loosen due to tension of a cable connected with the plug, so that the connection stability of the connector is poor. Among this application technical scheme, insulating cover periphery is located to endotheca and locking cover in proper order, and the locking groove has been seted up to the correspondence on the base of socket, and when the plug was pegged graft with the socket mutually and is cooperated, locking portion on the locking cover was contradicted the card by the endotheca and is gone into in the locking groove to the locking between plug and the socket has been accomplished in the same place, and the locking efficiency of coordinated type is higher, and the effectual connection stability who promotes this connector.

Optionally, the plug further comprises an outer sleeve sleeved on the periphery of the locking sleeve, the periphery of the locking sleeve is convexly provided with a guide block which is obliquely arranged in the axial direction of the connector, the outer sleeve is provided with a guide groove which is adaptive to the shape of the guide block, and when the plug and the socket are mutually spliced and matched, the guide block is accommodated in the guide groove; one end of the outer sleeve, which is far away from the socket, is abutted against the inner sleeve, and the outer sleeve is used for sliding along the axial direction of the connector, which is far away from the socket, so that the upper stop part of the outer locking sleeve is separated from the locking groove.

Through adopting above-mentioned scheme, be equipped with the overcoat at locking cover periphery cover, the locking sheathe in has the guide block of slope arrangement, has the guide way of adaptation on the overcoat, when the pulling overcoat moves to the one end of keeping away from the socket, locking portion deformation and break away from the locking groove to spacing between plug and the socket has been relieved to the adventure. In some technical solutions, in order to unlock the plug and the socket, it is generally necessary to unlock a component for locking before pulling out the plug in a reverse direction, and then pull out the plug, so that the overall process is complicated. Among this application technical scheme, keep away from the one end and the endotheca looks butt of socket on the overcoat, when the pulling overcoat moves to the one end of keeping away from the socket, when with the unblock in the locking portion by the locking groove, can also promote the endotheca motion with the situation to drive the reverse pull-out of whole plug, the pulling overcoat that from this coordinated type can realize the unblock simultaneously and extract the plug through.

Optionally, still include tail cap and the fastener that is used for the centre gripping wire rod, a plurality of elastic clamping pieces have on the fastener, the tail cap inner wall has the guide part that narrows gradually to keeping away from the socket direction, tail cap threaded connection in on the endotheca, the tail cap is screwed gradually on the endotheca so that a plurality of the clamping piece deformation is close to each other and centre gripping wire rod.

By adopting the above scheme, be provided with the fastener that is used for the centre gripping cable, have the guide part that narrows gradually to keeping away from the socket direction on the tail cap, the tail cap screws gradually the in-process on the endotheca, thereby a plurality of clamping pieces on the fastener are close to each other and press from both sides tightly on the cable that links to each other with the plug. Thereby this application is through locking the tail cap with the cable clamp tight, when the pulling force was received to the cable, this pulling force can be cushioned to the fastener to reduce the influence to the contact pin module, further promoted the grafting stability of contact pin module with the jack module.

Optionally, a wire passing channel is formed in the tail cap in a penetrating mode along the axis of the connector, a mounting groove is formed in the inner wall of the tail cap in a surrounding mode and is provided with a wire passing channel, a sealing sleeve is mounted inside the mounting groove, and the sealing sleeve is arranged around the material passing channel to seal the wire and the inner wall of the tail cap.

Through adopting above-mentioned scheme, be provided with the seal cover in the wire passing channel periphery of tail cap to increase the sealing performance of plug tail end. In practical use, moisture may enter the connector from the tail end of the plug through the gap between the cable and the wire passage, resulting in short circuit at the connection between the plug module and the receptacle module. This application technical scheme is provided with the seal cover in crossing the line passageway periphery to the sealing performance of this connector has further been promoted.

Optionally, the device further comprises a tensioning rope for pressing the sealing sleeve on the wire, the tensioning rope surrounds the axis of the connector to form a multi-ring sealing unit, the tensioning rope comprises a sealing part consisting of more than two sealing units, and the sealing part is arranged between the periphery of the sealing sleeve and the mounting groove in a surrounding manner; one end of the tensioning rope is fixedly installed in the installation groove, a tensioning ring is arranged at the other end of the tensioning rope, a limiting hook is fixedly arranged on the inner sleeve, the tail cap is gradually screwed to the inner sleeve so that the tensioning ring is sleeved on the limiting hook, and the sealing unit of the sealing part is pulled to contract.

Through adopting above-mentioned scheme, be provided with the taut rope that encircles the connector axis and form many rings of sealed units, the taut rope is installed inside the tail cap, and the in-process that the tail cap was screwed gradually, the spacing hook homeopathic cover of taut rope tip is established to spacing colluding on to make the taut rope tension and shrink, tighten up the seal cover on the cable, guarantee sealing performance. In some other technical schemes, in order to ensure the sealing performance, glue is injected at the joint of the plug and the cable through specially-made glue injection equipment, so that the sealing performance is ensured, and the whole processing flow is relatively complex; in other technical schemes, a simple sealing mode is adopted at the tail end of the socket by adopting a sealing ring structure, so that better sealing performance is difficult to ensure. In the technical scheme of the application, the sealing sleeve is arranged in the mounting groove for primary sealing, and further, through the arrangement of the tensioning ring, the sealing units of the sealing part can contract along with the screwing of the tail cap, so that the sealing sleeve is pressed on the cable for multiple circles; the multi-circle pressing mode can effectively improve the sealing performance of the tail end of the connector, and is simple to operate as the tail cap is screwed to be compressed in a linkage type shrinkage mode.

Optionally, the tightening rope further includes a wire fixing portion surrounding the periphery of the wire clamp, and a sealing unit of the wire fixing portion is disposed between the clamping piece and the inner wall of the tail cap.

By adopting the scheme, the tensioning rope further comprises the wire fixing part surrounding the periphery of the wire clamp, the sealing unit of the wire fixing part is arranged between the clamping piece and the inner wall of the tail cap, and the wire fixing part can be tightened on the clamping piece in the tightening process of the tensioning rope, so that the clamping stability of the wire clamp and the cable is improved on further compressing the clamping piece to clamp the clamping piece and the cable, and the connection stability of the plug and the socket is effectively ensured.

Optionally, the wire clamp is provided with a limiting protrusion, the inner sleeve is provided with a limiting groove, and the limiting protrusion is installed in the limiting groove.

By adopting the scheme, the limiting protrusions on the wire clamp are clamped into the limiting grooves in a matched mode through the limiting protrusions, so that the limiting effect on the wire clamp is achieved, and the stability of the wire clamp is guaranteed.

Optionally, a first seal groove is formed in the socket around the axis of the connector, and a first seal ring is arranged in the first seal groove; when the plug and the socket are mutually inserted, the inner sleeve abuts against the first sealing ring in the first sealing groove.

By adopting the scheme, the first sealing ring is arranged in the socket in a surrounding manner, the inner sleeve supports the first sealing ring tightly in the first sealing groove, so that water flow is effectively prevented from flowing onto the inner sleeve through a gap between the plug and the socket and flowing into the connector, the sealing performance of the connector is effectively ensured, and the short circuit at the splicing part is prevented.

Optionally, the socket includes that encircle protruding collar of locating on the base and the mounting nut of threaded connection on the base, have the second seal groove that encircles the base setting on the collar, be provided with the second sealing washer in the second seal groove, mounting nut with when the collar cooperation is in order to press from both sides the base clamp and install on the equipment lateral wall, the second sealing washer is installed in the second seal groove by extrusion.

Through adopting above-mentioned scheme, when the socket was installed on the lateral wall of equipment, run through on the lateral wall generally and seted up the through-hole, the base was worn to establish to the equipment outside by the inside via this through-hole of equipment, and at this moment, mounting nut screws the butt in the equipment lateral wall, and the second sealing washer is supported tightly by the equipment inside wall and is spacing in the second sealing washer, prevents from this that the inside and outside gas-liquid impurity of equipment from circulating via above-mentioned through-hole, further guarantees sealing performance.

Optionally, one end of the inner sleeve, which is close to the socket, is provided with a plurality of guide platforms, a plurality of guide channels are formed in the inner wall of the base, and when the plug and the socket are mutually inserted, the guide platforms are slidably installed in the guide channels in a one-to-one correspondence manner.

Through adopting above-mentioned scheme, through set up a plurality of direction platforms protruding on the inner cover, set up a plurality of direction passageways on the base inner wall that correspond, the direction platform cooperatees with the precision of guaranteeing plug and socket counterpoint with the direction passageway. In some other schemes, alignment between the pins and the jacks needs to be identified by human eyes, which is tedious, and alignment is more difficult when the number of the pins is larger. According to the technical scheme, the effect of facilitating alignment and plugging of the plug and the socket is achieved through the mode that the guide table is matched with the guide channel for guiding.

To sum up, the present application includes at least the following beneficial technical effects:

1. in the process that the plug is matched with the socket, the plug is matched with the socket for use through the inner sleeve, the outer sleeve and the locking sleeve, and the inner sleeve limits the locking part on the locking sleeve in the locking groove along with the locking part, so that the locking part is limited and cannot be pulled out reversely. In the conventional scheme, usually, the plug and the socket are connected only through interference fit of the contact pin and the jack, and the connection position is easy to loosen due to tension of a cable connected with the plug, so that the connection stability of the connector is poor. According to the technical scheme, the inner sleeve and the locking sleeve are sequentially sleeved on the periphery of the insulating sleeve, the base of the socket is correspondingly provided with the locking groove, when the plug is in plug-in fit with the socket, the locking part on the locking sleeve is blocked into the locking groove by the inner sleeve in a butting mode, so that locking between the plug and the socket is completed in a proper manner, linkage type locking efficiency is high, and connection stability of the connector is effectively improved;

2. the tensioning rope is arranged around the axis of the connector to form a multi-ring sealing unit, the tensioning rope is installed inside the tail cap, and in the process that the tail cap is gradually screwed, the limiting hook at the end of the tensioning rope is sleeved on the limiting hook in a clockwise mode, so that the tensioning rope is pulled and contracted, the sealing sleeve is tightened on the cable, and the sealing performance is guaranteed. In some other technical schemes, in order to ensure the sealing performance, glue is injected at the joint of the plug and the cable through specially-made glue injection equipment, so that the sealing performance is ensured, and the whole processing flow is relatively complex; in other technical schemes, a simple sealing mode of adopting a sealing ring structure at the tail end of the socket is difficult to ensure better sealing performance. In the technical scheme, the sealing sleeve is arranged in the mounting groove for preliminary sealing, and further, through the arrangement of the tensioning ring, a plurality of sealing units of the sealing part can contract along with the screwing of the tail cap, so that the sealing sleeve is pressed on the cable in a plurality of rings; the multi-circle compression mode can effectively improve the sealing performance of the tail end of the connector, and the tail cap is screwed to be compressed in a linkage manner, so that the operation is simple;

3. the tensioning rope still includes the solidus portion of encircleing in the fastener periphery, and the sealed unit of solidus portion arranges between the inner wall of clamping piece and tail cap, and the in-process that the tensioning rope tightened up, solidus portion can tighten up on the clamping piece to on further compressing tightly centre gripping and cable with the clamping piece, promoted the centre gripping stability of fastener and cable, thereby effectively guaranteed the stability of being connected of plug and socket.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of a plug of an embodiment of the present application being mated with a receptacle;

FIG. 3 is a schematic view of the entire structure of the tail cap hidden in the embodiment of the present application for showing the tightening rope;

FIG. 4 is a cross-sectional view of a plug of an embodiment of the present application when not plugged into a receptacle;

fig. 5 is a schematic overall structure diagram of the plug and the socket of the embodiment of the present application when not plugged.

Description of reference numerals:

1. a plug; 11. a head end; 12. a tail end; 13. a pin module; 131. an insulating sleeve; 14. a tail cap; 141. a guide portion; 142. a wire passage; 143. mounting grooves; 144. sealing sleeves; 145. tensioning the rope; 1451. a sealing unit; 1452. a sealing part; 1453. a wire fixing part; 146. tensioning the ring; 15. wire clamps; 151. a clamping piece;

2. a socket; 21. a base; 211. a locking groove; 212. a first seal ring; 213. a guide channel; 214. a glue injection cavity; 22. a jack module; 23. a mounting ring; 231. a second seal ring; 24. mounting a nut;

3. a locking assembly; 31. an inner sleeve; 311. a limiting hook; 312. a clamping groove; 313. a first inclined plane; 314. inserting grooves; 315. a guide table; 32. a locking sleeve; 321. a lock section; 322. a clamping part; 323. a second inclined plane; 324. a guide block; 33. a jacket; 331. a guide groove; 332. and (6) plugging the blocks.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses waterproof quick lock connector.

Referring to fig. 1 and 2, a waterproof quick-lock connector includes: plug 1 and socket 2, plug 1 include contact pin module 13 and locking subassembly 3, and socket 2 includes base 21 and installs the jack module 22 inside base 21, and contact pin module 13 matches with jack module 22 along the grafting of connector axis direction mutually, and locking subassembly 3 locks plug 1 and socket 2 each other simultaneously. The pin module 13 comprises an insulating sleeve 131, the locking assembly 3 comprises an inner sleeve 31 and a locking sleeve 32, and the inner sleeve 31 and the locking sleeve 32 are sequentially sleeved on the insulating sleeve 131; have elastic locking portion 321 on the locking cover 32, corresponding, have locking groove 211 in the base 21, when plug 1 pegs graft mutually with socket 2, locking portion 321 is spacing in locking groove 211 by endotheca 31 to the stability that plug 1 is connected with socket 2 has been guaranteed.

Referring to fig. 1 and 2, the plug 1 further includes an outer sleeve 33 and an insulating sleeve 131, and the insulating sleeve 131, the inner sleeve 31, the locking sleeve 32, and the outer sleeve 33 are sequentially installed around the pin module 13. Specifically, set up first joint groove on the insulating cover 131, the contact pin module 13 periphery epirelief is equipped with first joint piece, and first joint piece cooperatees in order to install insulating cover in contact pin module periphery with first joint groove.

Referring to fig. 1 and 2, the plug 1 has a head end 11 and a tail end 12 along the axial direction of the connector, and the inner sleeve 31 is tightly inserted into the outer periphery of the insulating sleeve 131 from the head end 11 of the plug 1 to the tail end 12 of the plug 1 and extends to the tail end 12 of the plug 1; the plug 1 further comprises a tail cap 14 and a wire clamp 15 for clamping the wire, one end of the wire clamp 15 facing the head end 11 of the plug 1 abuts against one end of the insulating sleeve 131 facing the tail end 12 of the plug 1, the tail cap 14 is screwed on the inner sleeve 31 to be mounted on the tail end 12 of the plug 1, one end of the wire clamp 15 facing the tail cap 14 is provided with a plurality of elastic clamping pieces 151, and the plurality of elastic clamping pieces 151 are arranged around the connector axis. The inner wall of the tail cap 14 is provided with a guide portion 141 which narrows gradually towards the direction away from the socket 2, correspondingly, the clamping pieces 151 are provided with arc-shaped guide surfaces, the tail cap 14 is screwed on the inner sleeve 31 gradually to enable the guide surfaces to be mutually abutted against the guide portion 141, and the clamping pieces 151 are deformed to be close to each other to clamp the wire. It is worth mentioning that the wire clamp 15 is provided with a limiting protrusion, the inner sleeve 31 is correspondingly provided with a limiting groove, and the limiting protrusion is inserted and installed in the limiting groove.

Referring to fig. 3 and 4, a wire passage 142 is formed in the tail cap 14 along the connector axis, a mounting groove 143 is formed in the inner wall of the tail cap 14 around the wire passage 142, a sealing sleeve 144 is mounted in the mounting groove 143, and the sealing sleeve 144 is arranged around the wire passage 142 to seal the wire with the inner wall of the tail cap 14. It is worth mentioning that, the length of seal cover 144 is greater than the length of mounting groove 143 in connector axis direction under the normality, and when seal cover 144 was installed in mounting groove 143, seal cover 144 compressed tightly in connector axis direction and installed in mounting groove 143 to make this application embodiment seal cover 144 compress tightly with the lateral wall of mounting groove 143 all the time and contradict.

Referring to fig. 3 and 4, a tension cord 145 for compressing the gland 144 against the wire is also included, the tension cord 145 forming a multi-turn sealing unit 1451 around the connector axis; the tail cap 14 is internally provided with an installation channel for the tensioning rope 145 to pass through, one end of the tensioning rope 145 is fixedly installed on the bottom wall of the installation groove 143, the other end of the tensioning rope 145 is provided with a tensioning ring 146, the diameter of the tensioning ring 146 is larger than that of the tensioning rope 145, so that the tensioning ring 146 cannot be pulled into the installation channel, and the tensioning ring 146 is always positioned on the tail cap 14 and is close to the outer side of the end face of the socket 2. Correspondingly, the inner sleeve 31 is fixedly provided with a limit hook 311, the limit hook 311 is substantially in an L-shaped structure, the tail cap 14 is gradually screwed on the inner sleeve to enable the tightening ring 146 to be sleeved on the limit hook 311, and the tail cap 14 continues to rotate to enable the tightening rope 145 to be pulled and contracted.

Referring to fig. 3 and 4, the tension cord 145 includes a sealing portion 1452 for compressing the sealing boot 144 and a wire fixing portion 1453 for compressing the clip 151, the sealing portion 1452 is composed of two or more sealing units 1451, and the sealing portion 1452 is disposed around between the outer circumference of the sealing ring and the bottom wall of the mounting groove 143, and as the tension cord 145 is contracted, the plurality of sealing units 1451 of the sealing portion 1452 in the mounting groove 143 are contracted to compress the sealing boot 144 on the wire, in the present embodiment, the sealing portion 1452 is composed of three sealing units 1451. The wire fixing portion 1453 surrounds the wire clamp 15 and the tail cap 14, specifically, the number of wire fixing units of the wire fixing portion 1453 is one, the sealing unit 1451 of the wire fixing portion 1453 is arranged between the clamping piece 151 and the inner wall of the tail cap 14, and the wire fixing portion 1453 compresses the clamping piece 151 on the wire as the tightening rope 145 contracts, so as to further improve the clamping effect of the wire clamp 15 on the wire.

Referring to fig. 3 and 4, the locking sleeve 32 is tightly fitted and inserted onto the inner sleeve 31 from the tail end 12 of the plug 1 to the head end 11 of the plug 1, specifically, the locking sleeve 32 has a locking portion 322, correspondingly, the inner sleeve 31 has a locking groove 312, the inner sleeve 31 has a first inclined surface 313, the locking sleeve 32 has a second inclined surface 323, and during the tight fitting and inserting process of the locking sleeve 32, the first inclined surface 313 and the second inclined surface 323 cooperate to deform the inner sleeve 31 and lock the locking portion 322 into the locking groove 312, so that the inner sleeve 31 and the locking sleeve 32 are fitted.

Referring to fig. 3 and 4, the locking sleeve 32 is provided with a guide block 324 protruding from the outer circumference of the connector, the guide block 324 is disposed obliquely along the axial direction of the connector, the outer sleeve 33 is provided with a guide slot 331 adapted to the shape of the guide block 324, and when the plug 1 and the receptacle 2 are mated with each other by plugging, the guide block 324 is received in the guide slot 331. One end of the outer sleeve 33 away from the socket 2 abuts against the inner sleeve 31, and the other end abuts against the socket 2. Specifically, the guide block 324 is gradually expanded toward the rear end 12 of the connector in the axial direction of the connector, and the outer sleeve 33 is adapted to slide in the axial direction of the connector away from the receptacle 2 so that the locking portion 321 is disengaged from the locking groove 211. It should be noted that the outer sleeve 33 has an insertion block 332 at an end thereof away from the socket 2, the inner sleeve 31 has an insertion groove 314, and the insertion block 332 is inserted into the insertion groove 314 to prevent the inner sleeve 31 and the outer sleeve 33 from rotating relatively.

Referring to fig. 3 and 4, the base 21 of the socket 2 is fixed relative to the jack module 22, which is not described herein again. The inner wall of the base 21 of the socket 2 is provided with a first sealing groove, a first sealing ring 212 is arranged in the first sealing groove, the thickness of the first sealing ring 212 is larger than the depth of the first sealing groove in a normal state, and when the plug 1 and the socket 2 are mutually inserted, the inner sleeve 31 tightly supports the first sealing ring 212 and limits the first sealing groove. The socket 2 further comprises a mounting ring 23 protruding on the base 21 in a surrounding manner and a mounting nut 24 in threaded connection with the base 21, a second sealing groove is formed in one end, close to the plug 1, of the mounting ring 23, the second sealing groove is formed in the surrounding manner, a second sealing ring 231 is arranged in the second sealing groove, the thickness of the second sealing ring 231 is larger than the depth of the second sealing groove in a normal state, and the mounting nut 24 is screwed onto the base 21 and extrudes the second sealing ring 231 to be mounted in the second sealing groove. In actual working conditions, when the socket 2 is installed on the side wall of the equipment, a through hole is usually formed in the side wall in a penetrating mode, the base 21 is arranged outside the equipment through the through hole in the equipment, at the moment, the mounting nut 24 is screwed and abutted to the outer side wall of the equipment, the second sealing ring 231 is abutted to the inner side wall of the equipment and is limited in the second sealing ring 231, and therefore gas-liquid impurities inside and outside the equipment are prevented from flowing through the through hole, and sealing performance is further guaranteed.

Referring to fig. 4 and 5, a plurality of guide platforms 315 are convexly disposed on one end of the inner sleeve 31 close to the socket 2 around the connector axis, correspondingly, a plurality of guide channels 213 are disposed on the inner wall of the base 21, and when the plug 1 and the socket 2 are plugged together, the guide platforms 315 are slidably plugged into the guide channels 213 one by one, so that the pin modules 13 and the jack modules 22 are precisely aligned; the pin module 13 and the socket module 22 are conventional and will not be described herein. It should be noted that, in the embodiment of the present application, the base 21 is provided with the glue injection cavity 214, the glue injection cavity 214 is located at one end of the base 21 away from the plug 1, and in an actual working condition, the jack module 22 passes through the glue injection cavity 214 along the connector axis from inside of the device to be plugged with the pin module 13 outside the device.

The implementation principle of the waterproof quick-locking connector in the embodiment of the application is as follows: through the cooperation use of endotheca 31, overcoat 33 and locking cover 32 for when plug 1 and socket 2 peg graft each other, locking portion 321 on the locking cover 32 is gone into the locking groove 211 by the situation card in, and locking portion is spacing and can't reverse pull out by endotheca 31 simultaneously, thereby has guaranteed plug 1 and socket 2's stability of being connected. Moreover, through the arrangement of the sealing sleeve 144 and the tightening rope 145, in the process of screwing the tail cap 14, the tightening lifting is tightened by the limiting hook so as to shrink the tightening lifting, and therefore, the tightening rope 145 presses the sealing sleeve 144 on the wire in a multi-ring surrounding manner, and the better sealing performance of the joint of the wire and the plug 1 is realized.

The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A waterproof quick-lock connector, comprising:

a socket (2) comprising a base (21) and a jack module (22) mounted inside the base (21);

the plug (1) comprises a pin module (13) and a locking assembly (3), the pin module (13) is in plug-in fit with the jack module (22) along the axial direction of the connector, and the locking assembly (3) is used for locking the plug (1) and the socket (2) mutually;

the pin module (13) comprises an insulating sleeve (131), the locking assembly (3) comprises an inner sleeve (31) and a locking sleeve (32), and the inner sleeve (31) and the locking sleeve (32) are sequentially sleeved on the insulating sleeve (131); elastic locking part (321) is arranged on the locking sleeve (32), locking grooves (211) are formed in the inner wall of the base (21), and when the plug (1) is plugged with the socket (2), the locking part (321) is limited in the locking grooves (211) by the inner sleeve (31).

2. The waterproof quick-locking connector as claimed in claim 1, further comprising an outer sleeve (33) sleeved on the outer periphery of the locking sleeve (32), wherein a guide block (324) obliquely arranged in the axial direction of the connector is convexly arranged on the outer periphery of the locking sleeve (32), a guide groove (331) matched with the shape of the guide block (324) is formed in the outer sleeve (33), and when the plug (1) and the socket (2) are mutually inserted and matched, the guide block (324) is accommodated in the guide groove (331); one end of the outer sleeve (33) far away from the socket (2) is abutted to the inner sleeve (31), and the outer sleeve (33) is used for sliding along the axial direction of the connector to the direction far away from the socket (2) so that the locking part (321) is separated from the locking groove (211).

3. The connector of claim 1, further comprising a tail cap (14) and a wire clamp (15) for clamping a wire, wherein the wire clamp (15) has a plurality of elastic clamping pieces (151), the inner wall of the tail cap (14) has a guide portion (141) which narrows in a direction away from the socket (2), the tail cap (14) is screwed to the inner sleeve (31), and the tail cap (14) is screwed to the inner sleeve (31) to deform the plurality of clamping pieces (151) to approach each other and clamp the wire.

4. The waterproof quick-lock connector as claimed in claim 3, wherein a wire passing channel (142) is formed in the tail cap (14) in a penetrating mode along the connector axis, a mounting groove (143) is formed in the inner wall of the tail cap (14) and surrounds the wire passing channel (142), a sealing sleeve (144) is mounted inside the mounting groove (143), and the sealing sleeve (144) is arranged around the material passing channel to seal the wire and the inner wall of the tail cap (14).

5. A watertight quick-lock connector as claimed in claim 4, characterized by further comprising a tightening rope (145) for pressing the sealing boot (144) against the wire, the tightening rope (145) forming a multi-turn sealing unit (1451) around the connector axis, the tightening rope (145) comprising a sealing portion (1452) consisting of two or more sealing units (1451), the sealing portion (1452) being arranged around between the outer periphery of the sealing boot (144) and the mounting groove (143); one end of the tightening rope (145) is fixedly installed in the installation groove (143), the other end of the tightening rope (145) is provided with a tightening ring (146), the inner sleeve (31) is fixedly provided with a limit hook (311), the tail cap (14) is gradually screwed on the inner sleeve (31) so that the tightening ring (146) is sleeved on the limit hook (311), and the sealing unit (1451) of the sealing part (1452) is pulled to contract.

6. The watertight quick-lock connector as recited in claim 5, characterized in that the tightening rope (145) further comprises a wire fixing portion (1453) surrounding the outer circumference of the wire clamp (15), the sealing unit (1451) of the wire fixing portion (1453) being arranged between the clip (151) and the inner wall of the tail cap (14).

7. The waterproof quick-locking connector as claimed in claim 3, wherein the wire clip (15) has a limiting protrusion, the inner sleeve (31) has a limiting groove, and the limiting protrusion is mounted in the limiting groove.

8. The waterproof quick-lock connector as claimed in claim 1, wherein a first sealing groove is formed in the socket (2) around the connector axis, and a first sealing ring (212) is arranged in the first sealing groove; when the plug (1) and the socket (2) are mutually inserted, the inner sleeve (31) tightly supports the first sealing ring (212) in the first sealing groove.

9. The waterproof quick-locking connector as claimed in claim 1, wherein the socket (2) comprises a mounting ring (23) protruding from the base (21) and a mounting nut (24) screwed onto the base (21), the mounting ring (23) is provided with a second sealing groove surrounding the base (21), a second sealing ring (231) is arranged in the second sealing groove, and the mounting nut (24) is matched with the mounting ring (23) to press and mount the base (21) on the side wall of the equipment, so that the second sealing ring (231) is installed in the second sealing groove in a pressing manner.

10. The waterproof quick-locking connector as claimed in claim 1, wherein one end of the inner sleeve (31) close to the socket (2) is provided with a plurality of guide platforms (315), the inner wall of the base (21) is provided with a plurality of guide channels (213), and when the plug (1) and the socket (2) are plugged with each other, the guide platforms (315) are slidably mounted in the guide channels (213) in a one-to-one correspondence manner.

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