CN209929550U

CN209929550U - Electric connector

Info

Publication number: CN209929550U
Application number: CN201920995080.7U
Authority: CN
Inventors: 胡如根; 朱鲁杰
Original assignee: Ningbo Fenghua Shenzhou Electric Connector Co Ltd
Current assignee: Ningbo Fenghua Shenzhou Electric Connector Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-01-10
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses an electric connector, which comprises a socket and a plug, wherein the socket comprises a contact pin, the socket is provided with a jack, the plug also comprises an electromagnetic driving component and a pull rod component, the pull rod component comprises a pull rod, a pull rod positioning sleeve and a sheath, the electromagnetic driving component drives the pull rod to move along the axial direction, and a reset spring is arranged between the sheath and the pull rod positioning sleeve; the side wall of the pull rod is provided with a first guide surface, the side wall of the pull rod positioning sleeve is provided with a through hole, a locking bead is arranged in the through hole, a lock sleeve is arranged in the socket, and the inner wall of the lock sleeve is provided with a second guide surface; the plug is also internally provided with a falling-off component. The utility model has the advantages of it is following and effect: the falling-off assembly is adopted for assisting separation, so that the unlocking process is quicker, and the structural design is more compact; the pull rod has diversified pulling modes and is more flexible to use; the first positioning groove and the second positioning groove are sprayed with red marking paint, so that the contact pin in the plug can be quickly and accurately inserted into the jack.

Description

Electric connector

Technical Field

The utility model relates to a connector field, in particular to electric connector.

Background

The electrical connector is composed of a plug and a socket, and generally, the plug includes a locking mechanism, a separating mechanism, an electromagnetic mechanism, a slip alarm mechanism, and the like. The locking mechanism realizes reliable locking between the plug and the socket of the electric connector. The separating mechanism provides power for separating the electric connector, and the electric connector is automatically separated after the locking mechanism is unlocked. The electromagnetic mechanism converts electrical energy into electromagnetic energy. Suction is generated to suck the locking mechanism, so that the locking mechanism is unlocked. The conventional electrical connector has a large overall size due to the limitation of various mechanisms and structures, and has a problem that the unlocking process is slow when the socket is separated from the plug.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric connector adopts the guide pillar auxiliary plug that drops to break away from with the socket, the unblock process that has effect very rapidly, the structure is compacter.

The above technical purpose of the present invention can be achieved by the following technical solutions: an electric connector comprises a socket and a plug, wherein the socket comprises a contact pin, the socket is provided with a jack which is in plug-in fit with the contact pin, the plug also comprises an electromagnetic driving component and a pull rod component, the pull rod component comprises a pull rod, one end of which extends out of the plug, a pull rod positioning sleeve and a sheath, the pull rod positioning sleeve is sleeved on the outer wall of the pull rod, the sheath is movably sleeved on the outer wall of the pull rod positioning sleeve, the electromagnetic driving component drives the pull rod to move along the axial direction, and a reset spring is arranged between the sheath and the; the side wall of the pull rod is provided with a first guide surface, the side wall of the pull rod positioning sleeve is provided with a through hole, a locking bead is movably arranged in the through hole, a lock sleeve which is matched with the pull rod assembly in a locking way is arranged in the socket, and the inner wall of the lock sleeve is provided with a second guide surface; when the plug is separated from the socket, the locking beads are respectively abutted against the first guide surface, the side wall of the pull rod and the inner wall of the sheath; the plug is also internally provided with a falling component which always has a movement trend of keeping the plug away from the socket.

By adopting the technical scheme, when the plug is plugged into the socket, the contact pin is inserted in alignment with the jack, the front end of the lock sleeve pushes the sheath to move inwards, the return spring is compressed, when the locking bead is not resisted by the inner wall of the sheath any more, the locking bead is pushed by the first guide surface to roll down into the lock sleeve, and the outer wall of the locking bead is respectively abutted against the inner wall of the lock sleeve, the side wall of the pull rod and the first guide surface, so that the quick locking of the plug and the socket can be realized; when the plug is separated from the socket, the electromagnetic driving component drives the pull rod to move away from the lock sleeve, the side wall of the pull rod does not block the locking bead any more, the through hole drives the locking bead to be separated from the lock sleeve under the guiding action of the second guiding inclined plane, the reset spring drives the sheath to reset, and the outer wall of the locking bead is propped against the inner wall of the sheath again; in addition, in the separation process, the falling-off assembly enables the plug and the socket to have separation force, and the plug and the socket are assisted to be quickly separated. Therefore, the unlocking device has the effects of rapidness in unlocking process and compact structural design.

The utility model discloses a further set up to: the plug is internally provided with a plug insulator, the plug insulator is provided with a spring cavity, a falling spring is arranged in the spring cavity, a falling guide pillar is movably arranged on the plug insulator and matched with the plug insulator in a stopping way, and the falling spring enables the falling guide pillar to always have the trend of moving towards the outside of the spring cavity.

By adopting the technical scheme, when the plug is plugged into the socket, the socket extrudes the falling guide pillar, so that the falling guide pillar moves towards the spring cavity and compresses the falling spring; when the plug is separated from the socket, the falling spring enables the falling guide post to move towards the direction far away from the spring cavity, and the plug is quickly separated from the socket through the thrust of the falling guide post.

The utility model discloses a further set up to: the electromagnetic driving assembly comprises a magnet sleeve, a static iron core arranged in the magnet sleeve and a movable iron core matched with the static iron core, and coils are arranged outside the static iron core and the movable iron core; the plug is stretched out behind the iron core, quiet iron core are passed in proper order to pull rod one end, and the pull rod lateral wall is provided with the ejector pad, is provided with the pull rod spring between ejector pad and quiet iron core, and the pull rod spring makes the ejector pad have the motion trend of keeping away from quiet iron core all the time, just moves iron core and ejector pad backstop cooperation.

By adopting the technical scheme, when the electromagnetic driving assembly drives the pull rod to move along the axial direction, the coil is electrified, the movable iron core moves towards the static iron core under the action of the attraction force, and the movable iron core is matched with the push block in a stop way, so that the pull rod can be driven towards the static iron core through the push block, and the push block generates extrusion force on the pull rod spring; when the coil is powered off, the pull rod spring extends and pushes the pull rod to move away from the static iron core through the push block, and the push block drives the movable iron core to move away from the static iron core.

The utility model discloses a further set up to: one end of the pull rod positioning sleeve inserted into the lock sleeve is provided with a guide inclined plane.

By adopting the technical scheme, when the end part of the pull rod positioning sleeve is inserted into the lock sleeve, the guide inclined plane can play a certain guide role, so that the pull rod positioning sleeve is quickly inserted into the lock sleeve.

The utility model discloses a further set up to: the pull rod assembly also comprises a pull rod outer sleeve, the pull rod outer sleeve is sleeved on the outer walls of the sheath and the pull rod positioning sleeve, and the pull rod outer sleeve is fixedly connected in the plug through a screw; the outer wall of the sheath is provided with a convex block, and the inner wall of the pull rod outer sleeve is provided with a step matched with the convex block in a stopping way.

By adopting the technical scheme, when the sheath moves outwards under the elastic force of the return spring, the convex block is abutted against the step, and the step can play a role in stopping the sheath to prevent the sheath from completely separating from the pull rod positioning sleeve.

The utility model discloses a further set up to: the side wall of the plug is provided with a threading hole.

Through adopting above-mentioned technical scheme, the plug wire that the plug in-connection was on the contact pin can stretch out to the plug outside from the through wires hole.

The utility model discloses a further set up to: the plug is provided with the plug shield, and the socket is provided with the socket shield.

Through adopting above-mentioned technical scheme, when plug and socket are in the detached state, cover the plug shield in the plug open end, cover the socket shield in the socket open end, can prevent to a certain extent that the dust from getting into and influencing the circular telegram.

The utility model discloses a further set up to: the outer wall of one end of the plug inserted in the socket is provided with a first positioning groove, the outer wall of the socket is provided with a second positioning groove corresponding to the first positioning groove, and color marking paint is sprayed in the first positioning groove and the second positioning groove.

By adopting the technical scheme, when the plug is plugged in the socket, the first positioning groove is aligned to the second positioning groove, so that the contact pin in the plug can be quickly and accurately inserted into the jack.

The utility model discloses a further set up to: be provided with the socket insulator in the socket, the socket insulator includes first insulator and second insulator, and the open end of lock sleeve sets up in first insulator, and the open-ended one end is kept away from to the lock sleeve stretches into in the second insulator and fixes through the nut.

Through adopting above-mentioned technical scheme, when installing the lock sleeve in the socket, install the lock sleeve in first insulator earlier and the lock sleeve tail end stretches out first insulator, then install first insulator in the socket, the rethread nut is fixed in first insulator with the lock sleeve, at last with second insulator fixed mounting in the socket.

The utility model discloses a further set up to: and viscose glue is arranged between the first insulator and the second insulator.

Through adopting above-mentioned technical scheme, carry out the encapsulating between first insulator and second insulator, make both connections more firm.

To sum up, the utility model discloses following beneficial effect has:

1. the mode that the shedding assembly is arranged in the plug is adopted, when the plug is far away from the socket, the shedding guide post can enable the plug and the socket to be quickly separated under the thrust action of the shedding spring, and therefore the unlocking device has the effects of being quicker in unlocking process and more compact in structural design;

2. the mode of an electromagnetic driving assembly is adopted, the pull rod can move outwards from the plug in an electromagnetic attraction mode on the basis of manually pulling the pull rod, the pulling mode is diversified, and the use is more flexible;

3. by adopting the mode of spraying the color marking paint on the first positioning groove and the second positioning groove, the contact pin in the plug can be quickly and accurately inserted into the jack.

Drawings

Fig. 1 is a schematic diagram of the internal structure of the plug in the embodiment.

Fig. 2 is an enlarged view of the area a in fig. 1.

Fig. 3 is a schematic diagram of the internal structure of the socket in the embodiment.

Fig. 4 is a schematic diagram of a positional relationship between the first positioning groove of the plug and the second positioning groove of the receptacle in the embodiment.

In the figure: 1. a plug; 11. inserting a pin; 12. a first positioning groove; 13. a plug insulator; 131. a spring cavity; 14. threading holes; 15. a plug dust cover; 2. a socket; 21. a jack; 22. a second positioning groove; 23. a lock sleeve; 231. a second guide surface; 24. a first insulator; 25. a second insulator; 26. gluing; 27. a nut; 28. a socket dust cover; 3. an electromagnetic drive assembly; 31. a magnet sleeve; 32. a stationary iron core; 33. a movable iron core; 34. a coil; 4. a drawbar assembly; 41. a pull rod; 411. a push block; 412. a pull rod spring; 413. a first guide surface; 42. a pull rod positioning sleeve; 421. a through hole; 422. a guide slope; 43. a sheath; 44. a pull rod outer sleeve; 45. a screw; 46. a return spring; 5. a spring is dropped; 6. dropping off the guide post; 7. a locking bead; 8. a bump; 9. and (4) a step.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

An electric connector is shown in fig. 1, 3 and 4, and comprises a plug 1 and a socket 2, wherein one end of the plug 1 is an open end and is provided with a plurality of pins 11, one end of the socket 2 is also an open end and is provided with a plurality of jacks 21 which are in splicing fit with the pins 11, and the plug 1 and the socket 2 are spliced together; the outer wall of one end of the plug 1 inserted in the socket 2 is provided with a first positioning groove 12, the outer wall of the socket 2 is provided with a second positioning groove 22 corresponding to the first positioning groove 12, the first positioning groove 12 and the second positioning groove 22 are internally sprayed with color marking paint, the color marking paint is red in the embodiment, when the plug 1 is inserted in the socket 2, the first positioning groove 12 is aligned to the second positioning groove 22, and the pin 11 in the plug 1 can be quickly and accurately inserted into the jack 21.

As shown in fig. 1, 2 and 3, an electromagnetic driving assembly 3 and a pull rod assembly 4 are further disposed in the plug 1, the pull rod assembly 4 includes a pull rod 41 whose front end extends out of the plug 1, a pull rod positioning sleeve 42 sleeved on an outer wall of the pull rod 41, and a sheath 43 movably sleeved on an outer wall of the pull rod positioning sleeve 42, the pull rod assembly 4 further includes a pull rod outer sleeve 44, the pull rod outer sleeve 44 is sleeved on outer walls of the sheath 43 and the pull rod positioning sleeve 42, and the pull rod outer sleeve 44 is fixedly connected in the plug 1 through a screw 45; the outer wall of the sheath 43 is provided with a convex block 8, the inner wall of the pull rod outer sleeve 44 is provided with a step 9 corresponding to the convex block 8, the electromagnetic driving component 3 drives the pull rod 41 to move along the axial direction, a return spring 46 is arranged between the sheath 43 and the pull rod positioning sleeve 42, one end of the return spring 46 is abutted against the sheath 43, and the other end is abutted against the convex block 8 of the pull rod positioning sleeve 42; the electromagnetic driving component 3 comprises a magnet sleeve 31, a static iron core 32 arranged in the magnet sleeve 31 and a movable iron core 33 matched with the static iron core 32, and a coil 34 is arranged outside the static iron core 32 and the movable iron core 33; the front end of the pull rod 41 sequentially penetrates through the movable iron core 33 and the static iron core 32 and then extends out of the plug 1, a push block 411 is arranged on the side wall of the pull rod 41, a pull rod spring 412 is arranged between the push block 411 and the static iron core 32, the push block 411 always has a movement trend away from the static iron core 32 due to the pull rod spring 412, the movable iron core 33 is matched with the push block 411 in a stopping mode, when the electromagnetic driving assembly 3 drives the pull rod 41 to move along the axial direction, the coil 34 is electrified, the movable iron core 33 moves towards the static iron core 32 under the action of suction force, and due to the fact that the movable iron core 33 is matched with the push block 411 in the stopping mode, the pull rod 41 can be driven towards the static iron core 32 through the push; when the coil 34 is de-energized, the pull rod spring 412 is extended and pushes the pull rod 41 to move away from the stationary iron core 32 through the push block 411, and the push block 411 drives the movable iron core 33 to move away from the stationary iron core 32. A first guide surface 413 is arranged on the side wall of the pull rod 41 close to the opening end of the plug 1, a through hole 421 is arranged on the side wall of the pull rod positioning sleeve 42, a locking bead 7 is movably arranged in the through hole 421, in the embodiment, the locking bead 7 is a steel ball, a lock sleeve 23 which is in locking fit with the pull rod assembly 4 is arranged in the socket 2, and a second guide surface 231 is arranged on the inner wall of the lock sleeve 23; one end of the pull rod positioning sleeve 42 inserted into the lock sleeve 23 is provided with a guide inclined surface 422.

As shown in fig. 1, two plug insulators 13 which are spliced together are arranged in the plug 1, a spring cavity 131 is formed in each plug insulator 13, a falling spring 5 is arranged in each spring cavity 131, a falling guide pillar 6 is movably arranged on each plug insulator 13, the falling guide pillar 6 is matched with the plug insulator 13 in a stopping manner, and the falling spring 5 enables the falling guide pillar 6 to always have a tendency of moving towards the outside of the spring cavity 131.

As shown in fig. 3, a socket insulator is arranged in the socket 2, the socket insulator includes a first insulator 24 and a second insulator 25, an adhesive 26 is poured between the first insulator 24 and the second insulator 25, an open end of the lock sleeve 23 is arranged in the first insulator 24, and an end of the lock sleeve 23 away from the open end extends into the second insulator 25 and is fixed by a nut 27. When the lock sleeve 23 is installed in the socket 2, the lock sleeve 23 is installed in the first insulator 24, the tail end of the lock sleeve 23 extends out of the first insulator 24, then the first insulator 24 is installed in the socket 2, the lock sleeve 23 is fixed on the first insulator 24 through the nut 27, finally the second insulator 25 is fixedly installed in the socket 2, glue is filled between the first insulator 24 and the second insulator 25, and the first insulator 24 and the second insulator 25 are connected more firmly.

As shown in fig. 1 and 3, a threading hole 14 is formed in a side wall of the plug 1, and a plug wire connected to the contact pin 11 in the plug 1 can extend out of the plug 1 from the threading hole 14. The plug 1 is provided with a plug dust cover 15 and the socket 2 is provided with a socket dust cover 28. When the plug 1 and the socket 2 are in a separated state, the plug dust-proof cover 15 covers the open end of the plug 1, and the socket dust-proof cover 28 covers the open end of the socket 2, so that dust can be prevented from entering to a certain extent to influence the electrification.

The utility model discloses a basic operating principle does: when the plug 1 is plugged into the socket 2, the pin 11 is inserted into the jack 21, the front end of the lock sleeve 23 pushes the sheath 43 to move towards the plug 1, the pull rod positioning sleeve 42 is quickly plugged into the lock sleeve 23 under the guiding action of the guiding inclined plane 422, the return spring 46 is compressed, when the locking ball 7 is not resisted by the inner wall of the sheath 43, the locking ball 7 rolls into the lock sleeve 23 under the pushing action of the first guiding surface 413, and the outer wall of the locking ball 7 is respectively abutted against the inner wall of the lock sleeve 23, the side wall of the pull rod 41 and the first guiding surface 413, so that the plug 1 and the socket 2 can be quickly locked, at the moment, the socket 2 extrudes the falling guide pillar 6, so that the falling guide pillar 6 moves towards the spring cavity 131 and compresses the falling spring 5; when the plug 1 is separated from the socket 2, the electromagnetic driving component 3 drives the pull rod 41 to move away from the lock sleeve 23, the side wall of the pull rod 41 no longer blocks the locking bead 7, the through hole 421 drives the locking bead 7 to be separated from the lock sleeve 23 under the guiding action of the second guiding inclined plane 422, the reset spring 46 drives the sheath 43 to reset, when the sheath 43 is reset, the bump 8 abuts against the step 9, the step 9 can stop the sheath 43, the sheath 43 is prevented from being completely separated from the pull rod positioning sleeve 42, and the outer wall of the locking bead 7 abuts against the inner wall of the sheath 43 again; in addition, during the separation process, the separation spring 5 moves the separation guide post 6 away from the spring cavity 131, and the plug 1 is rapidly separated from the socket 2 by the thrust of the separation guide post 6. Therefore, the unlocking device has the effects of rapidness in unlocking process and compact structural design.

In addition, the unlocking can be realized by pulling the pull rod 41 outwards by hand holding, and the use is more flexible.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides an electric connector, includes socket (2) and plug (1), socket (2) are including contact pin (11), socket (2) be equipped with contact pin (11) grafting complex jack (21), its characterized in that: the plug (1) further comprises an electromagnetic driving assembly (3) and a pull rod assembly (4), the pull rod assembly (4) comprises a pull rod (41) with one end extending out of the plug (1), a pull rod positioning sleeve (42) sleeved on the outer wall of the pull rod (41), and a sheath (43) movably sleeved on the outer wall of the pull rod positioning sleeve (42), the electromagnetic driving assembly (3) drives the pull rod (41) to move along the axial direction, and a return spring (46) is arranged between the sheath (43) and the pull rod positioning sleeve (42); a first guide surface (413) is arranged on the side wall of the pull rod (41), a through hole (421) is formed in the side wall of the pull rod positioning sleeve (42), a locking bead (7) is movably arranged in the through hole (421), a lock sleeve (23) which is matched with the pull rod assembly (4) in a locking mode is arranged in the socket (2), and a second guide surface (231) is arranged on the inner wall of the lock sleeve (23); when the plug (1) is separated from the socket (2), the locking beads (7) respectively abut against the first guide surface (413), the side wall of the pull rod (41) and the inner wall of the sheath (43), and when the plug (1) is plugged and locked with the socket (2), the locking beads (7) respectively abut against the first guide surface (413), the side wall of the pull rod (41) and the inner wall of the lock sleeve (23); the plug is characterized in that a falling assembly is further arranged in the plug (1), and the falling assembly always has a movement trend of enabling the plug (1) to be far away from the socket (2).

2. An electrical connector as defined in claim 1, wherein: the plug is characterized in that a plug insulator (13) is arranged in the plug (1), a spring cavity (131) is formed in the plug insulator (13), a falling spring (5) is arranged in the spring cavity (131), a falling guide pillar (6) is movably arranged on the plug insulator (13), the falling guide pillar (6) is matched with the plug insulator (13) in a stop way, and the falling spring (5) enables the falling guide pillar (6) to always have a tendency of moving outwards from the spring cavity (131).

3. An electrical connector as defined in claim 1, wherein: the electromagnetic driving assembly (3) comprises a magnet sleeve (31), a static iron core (32) arranged in the magnet sleeve (31) and a movable iron core (33) matched with the static iron core (32), and coils (34) are arranged outside the static iron core (32) and the movable iron core (33); pull rod (41) one end passes in proper order stretch out behind movable iron core (33), quiet iron core (32) plug (1), pull rod (41) lateral wall is provided with ejector pad (411), ejector pad (411) with be provided with pull rod spring (412) between quiet iron core (32), pull rod spring (412) make ejector pad (411) have all the time and keep away from the motion trend of quiet iron core (32), just movable iron core (33) with ejector pad (411) backstop cooperation.

4. An electrical connector as defined in claim 1, wherein: one end of the pull rod positioning sleeve (42) inserted into the lock sleeve (23) is provided with a guide inclined plane (422).

5. An electrical connector as defined in claim 1, wherein: the pull rod assembly (4) further comprises a pull rod outer sleeve (44), the pull rod outer sleeve (44) is sleeved on the outer walls of the sheath (43) and the pull rod positioning sleeve (42), and the pull rod outer sleeve (44) is fixedly connected into the plug (1) through a screw (45); the outer wall of the sheath (43) is provided with a convex block (8), and the inner wall of the pull rod outer sleeve (44) is provided with a step (9) matched with the convex block (8) in a stopping way.

6. An electrical connector as defined in claim 1, wherein: the side wall of the plug (1) is provided with a threading hole (14).

7. An electrical connector as defined in claim 1, wherein: the plug (1) is provided with a plug dust cover (15), and the socket (2) is provided with a socket dust cover (28).

8. An electrical connector as defined in claim 1, wherein: the plug (1) is inserted into the socket (2), a first positioning groove (12) is formed in the outer wall of one end of the socket (2), a second positioning groove (22) corresponding to the first positioning groove (12) is formed in the outer wall of the socket (2), and color marking paint is sprayed in the first positioning groove (12) and the second positioning groove (22).

9. An electrical connector as defined in claim 1, wherein: a socket insulator is arranged in the socket (2), the socket insulator comprises a first insulator (24) and a second insulator (25), the opening end of the lock sleeve (23) is arranged in the first insulator (24), and one end, far away from the opening, of the lock sleeve (23) extends into the second insulator (25) and is fixed through a nut (27).

10. An electrical connector as defined in claim 9, wherein: an adhesive (26) is arranged between the first insulator (24) and the second insulator (25).