CN111430963B

CN111430963B - High-current connector

Info

Publication number: CN111430963B
Application number: CN202010255724.6A
Authority: CN
Inventors: 余芳
Original assignee: Shenzhen Fanma Technology Co ltd
Current assignee: Shenzhen Fanma Technology Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2021-04-13
Anticipated expiration: 2040-04-02
Also published as: CN111430963A

Abstract

The invention discloses a high-current connector which comprises a plug and a socket, wherein a threaded outer sleeve is rotatably sleeved on the outer side of the plug, an external thread matched with the threaded outer sleeve is carved on the outer side of the socket, an inserting column is fixed in the plug, a jack is arranged in the socket, and a locking assembly used for avoiding the loosening of the inserting column and preventing the excessive abrasion of the inserting column after the plug is inserted is installed on the outer side of the inserting column.

Description

High-current connector

Technical Field

The invention relates to the technical field of high-current connectors, in particular to a high-current connector.

Background

With the continuous expansion of the application field of the electrical connector, the electrical connector is also used to connect and disconnect the electrical circuit in some high-power occasions requiring large current transmission, thereby promoting the generation of the large-current electrical connector. The high-current connector is widely applied to the fields of electric automobiles, electric forklifts, UPS, universal power supplies, medical equipment, solar energy, new energy and the like.

The single-core connector is inserted into a jack in a socket through an inserting column on a plug when the single-core connector is used, the inserting column is locked through a locking ring in the socket, axial movement of the inserting column and the jack is avoided, accidental falling is prevented, after the single-core connector is frequently pulled and inserted, due to frequent friction of the inserting column, the surface of the inserting column is easily abraded, the service life of the single-core connector is prolonged, the locking ring can be loosened after being pulled and inserted for many times, when the single-core connector is used in mines and the like, the locking effect between the existing plug and the socket is greatly reduced, the inserting column is easily separated from the jack accidentally, and therefore the large-current connector is provided.

Disclosure of Invention

The present invention is directed to a high current connector for preventing the loosening and abrasion of the plug post caused by multiple plugging and unplugging operations, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a large current connector, includes plug and socket, the plug outside is rotated the cover and is had the screw thread overcoat, and the socket outside is carved with the external screw thread with screw thread overcoat looks adaptation, the plug internal fixation has the post of inserting, and is equipped with the jack in the socket, it installs in the post outside to be used for the plug to peg graft the back and avoids inserting the post not hard up and prevent the too big locking Assembly of its wearing and tearing.

Preferably, locking Assembly includes threaded rod and support housing, support housing fixes in inserting the post outer end, and installs in the support housing and strut the subassembly, the threaded rod cover is in inserting the post outside, and fixes in the socket, threaded rod outside thread bush has the promotion platform, and promotes the platform outside and slide and insert and have a plurality of rotation folding rod, and is a plurality of it is all fixed with thread coat inner wall to rotate folding rod top, is preventing through locking Assembly to insert the post and frequently pulls out under the condition of inserting the appearance wearing and tearing, can also prevent that it from pegging graft not hard up.

Preferably, the subassembly of strutting includes sliding sleeve and fixed cover, sliding sleeve is in the post of inserting outside, and fixed cover is fixed in the post of inserting outside, it has a plurality of openings of strutting to open the support shell outside, and is equipped with the board of strutting in the opening, sliding sleeve and fixed cover outside all correspond the board rigidity of strutting have an installation piece, and the installation piece outside all rotates and be connected with the slurcam, the slurcam is kept away from installation piece one end and is connected through pivot and the inboard rotation of board of strutting, can realize playing the effect of strutting to a plurality of boards of strutting through strutting group's frame to realize the inseparable laminating with the jack inner wall, make the post of inserting can not become flexible easily.

Preferably, the jack internal diameter is greater than and inserts the post diameter, and sliding sleeve, fixed cover, distraction board and slurcam make by the copper alloy material for insert the post when inserting the jack, can not frequently rub with the jack inner wall, simultaneously, adopt the copper alloy material to make, make it still have higher intensity on having electrically conductive basis.

Preferably, the sliding sleeve both ends all are fixed with the crown plate with fixed cover adjacent end, and promote the platform and be close to the sliding sleeve one end outside and be fixed with the contact plate, the plug pin outside cover has reset spring, and the reset spring both ends respectively with the crown plate contact of sliding sleeve outer end and fixed cover outer end, through reset spring for when dismantling the socket, promote the sliding sleeve and keep away from fixed cover, thereby make prop open the board and can no longer extrude convenient to detach socket with the jack inner wall.

Preferably, the locating piece is installed in the screw thread overcoat outside, and the socket outside is fixed with the locating plate, it has a plurality of locating holes that are used for the spacing usefulness of locating piece to open on the locating plate, through locating piece and arbitrary one locating hole joint to the realization is to the secondary locking of socket.

Preferably, the setting element includes fixed plate and limiting plate, fixed plate and limiting plate are all fixed at the screw thread overcoat outer wall, and it has the lock core hole to open in the limiting plate, it has the lock core post to slide in the lock core hole and peg graft, and lock core post one end is fixed with the gag lever post to through gag lever post and locating hole joint, the lock core post is kept away from gag lever post one end and is slided and peg graft and have the slide bar, and slide bar one end is fixed with the fixed plate, slide bar outer pot head has positioning spring, and positioning spring both ends respectively with lock core post and fixed plate contact, realize the secondary locking to the screw thread overcoat through the setting element, prevent that it from appearing.

Preferably, the adjusting sleeve is fixedly sleeved on the outer side of one end, close to the sliding rod, of the lock cylinder column, the lock cylinder column is lifted and rotated through the adjusting sleeve, so that the lock cylinder column is moved to be separated from the lock cylinder hole, and the lock cylinder column is clamped with the lock cylinder hole through rotation.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the diameter of the plug post is far smaller than that of the plug hole, so that the plug post is not frequently contacted and rubbed with the inner wall of the plug hole during normal insertion, the loss of the plug post is reduced, the service life is prolonged, meanwhile, when the socket is inserted, the plug post is spread by the locking component, the tight fit of the inner wall of the plug hole is realized, the common locking effect of the positioning piece is matched, the socket is effectively prevented from being accidentally loosened, and the connection tightness is improved.

Drawings

FIG. 1 is a schematic view of the overall configuration of the present invention;

FIG. 2 is a partial cross-sectional view of the socket of the present invention;

FIG. 3 is a schematic view of a plug of the present invention with a partial cross-sectional internal structure;

FIG. 4 is a side view, partially in section, of a plug of the present invention;

FIG. 5 is a schematic view of the locking assembly of the present invention;

FIG. 6 is a partial cross-sectional structural schematic view of the locking assembly of the present invention;

FIG. 7 is a schematic view of the connection of the spreader plate and spreader opening of the present invention;

FIG. 8 is a schematic view of a positioning member according to the present invention;

fig. 9 is an enlarged view of a portion a in fig. 6.

In the figure: 1-a plug; 2-a socket; 3-thread jacket; 4-inserting a column; 5-a jack; 6-a locking assembly; 7-a threaded rod; 8-supporting the housing; 9-a distraction assembly; 10-a pushing table; 11-rotating the folding rod; 12-a sliding sleeve; 13-fixing the sleeve; 14-opening the opening; 15-opening the plate; 16-a mounting block; 17-a pushing plate; 18-ring plate; 19-a contact plate; 20-a return spring; 21-a positioning element; 22-a positioning plate; 23-positioning holes; 24-a fixing plate; 25-a limiting plate; 26-a lock cylinder hole; 27-a lock cylinder; 28-a limiting rod; 29-a slide bar; 30-a positioning spring; 31-adjusting sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, a high-current connector shown in the figure includes a plug 1 and a socket 2, a threaded outer sleeve 3 is rotatably sleeved on the outer side of the plug 1, an external thread matched with the threaded outer sleeve 3 is engraved on the outer side of the socket 2, when the socket 2 is connected with the plug 1, the threaded outer sleeve 3 is rotatably connected with the outer side of the socket 2 through the thread, a plug post 4 is fixed in the plug 1, a jack 5 is arranged in the socket 2, and a locking assembly 6 used for preventing the plug post 4 from loosening and being worn too much after the plug 1 is plugged is installed on the outer side of the plug post 4.

The locking assembly 6 comprises a threaded rod 7 and a supporting shell 8, the supporting shell 8 is fixed at the outer end of the inserting column 4, the supporting shell 8 is a cylindrical shell with an opening at one end, a spreading assembly 9 is installed in the supporting shell 8, the threaded rod 7 is sleeved on the outer side of the inserting column 4 and is fixed in the socket 2, a pushing table 10 is sleeved on the outer side of the threaded rod 7 in a threaded manner, a plurality of rotating folding rods 11 are slidably inserted in the outer side of the pushing table 10, the rotating folding rods 11 drive the pushing table 10 to rotate and play a limiting effect on the pushing table 10, so that the pushing table 10 is moved, and the top ends of the rotating folding rods 11 are fixed with the inner wall of the threaded outer sleeve 3;

the opening assembly 9 comprises a sliding sleeve 12 and a fixing sleeve 13, the sliding sleeve 12 is slidably sleeved on the outer side of the inserting column 4, the fixing sleeve 13 is fixed on the outer side of the inserting column 4, if the inserting column 4 is long, the fixing sleeve 13 can be provided with a plurality of parts, so that the opening is more stable, the outer side of the supporting shell 8 is provided with a plurality of opening openings 14, opening plates 15 are arranged in the opening openings 14, the outer sides of the sliding sleeve 12 and the fixing sleeve 13 are respectively fixed with an installation block 16 corresponding to the positions of the opening plates 15, the outer sides of the installation blocks 16 are respectively rotatably connected with a pushing plate 17, one end, far away from the installation block 16, of the pushing plate 17 is rotatably connected with the inner side of the opening plate 15 through a rotating shaft, and the pushing plate 17 is driven to move by the movement of the sliding sleeve 12, so;

the inner diameter of the jack 5 is larger than the diameter of the inserted column 4, so that the inserted column 4 can be inserted more conveniently and easily, the inserted column 4 is prevented from being damaged due to frequent friction, and meanwhile, after the opening component 9 on the outer side of the inserted column 4 is opened, the inserted column can be precisely attached to the inner wall of the jack 5, and the accidental loosening of the inserted column 4 is avoided;

the adjacent ends of the two ends of the sliding sleeve 12 and the fixed sleeve 13 are both fixed with a ring plate 18, a contact plate 19 is fixed outside the end of the pushing platform 10 close to the sliding sleeve 12, the ring plate 18 and the contact plate 19 mainly play a role in improving the contact area and facilitating pushing adjustment, a return spring 20 is sleeved outside the inserting column 4, the two ends of the return spring 20 are respectively in contact with the ring plates 18 at the outer end of the sliding sleeve 12 and the outer end of the fixed sleeve 13, and the return spring 20 mainly acts to enable the sliding sleeve 12 to move outwards, so that the opening plate 15 moves into the opening 14 again and is convenient to use.

In addition, a positioning piece 21 is installed on the outer side of the threaded outer sleeve 3, a positioning plate 22 is fixed on the outer side of the socket 2, and a plurality of positioning holes 23 for limiting the positioning piece 21 are formed in the positioning plate 22;

the positioning element 21 comprises a fixing plate 24 and a limiting plate 25, the fixing plate 24 and the limiting plate 25 are both fixed on the outer wall of the threaded outer sleeve 3, a lock cylinder hole 26 is formed in the limiting plate 25, a lock cylinder rod 27 is inserted in the lock cylinder hole 26 in a sliding manner, a limiting rod 28 is fixed at one end of the lock cylinder rod 27 and is clamped with the positioning hole 23 through the limiting rod 28, a sliding rod 29 is inserted at one end, away from the limiting rod 28, of the lock cylinder rod 27 in a sliding manner, one end of the sliding rod 29 is fixed with the fixing plate 24, a positioning spring 30 is sleeved at the outer end of the sliding rod 29, two ends of the positioning spring 30 are respectively contacted with the lock cylinder rod 27 and the fixing plate 24, an adjusting sleeve 31 is fixedly sleeved at the outer side of one end, close to the sliding rod 29, of the lock cylinder rod 27, an elastic force is provided through the positioning spring 30, so that the pushing limiting, and rotating the lock cylinder 27 so that the lock cylinder 27 is engaged with the cylinder hole 26.

In the scheme, when the plug 1 is inserted, the plug 1 is firstly inserted aiming at the socket 2, because the diameter of the plug column 4 is far smaller than the inner diameter of the jack 5, the plug column is inserted without resistance, then the screw thread outer sleeve 3 is rotated to be in threaded connection with the socket 2, at the moment, the plurality of rotating folding rods 11 are driven to rotate by the rotation of the screw thread outer sleeve 3, the pushing platform 10 is driven to rotate and advance outside the threaded rod 7, the contact plate 19 at the front end of the pushing platform 10 is contacted with the ring plate 18 at the outer end of the sliding sleeve 12, so that the sliding sleeve 12 is pushed to move towards the fixed sleeve 13, the opening plate 15 is opened outwards by the rotary movement of the pushing plate 17 and is in extrusion contact with the inner wall of the jack 5, the insertion tightness of the plug column 4 is improved, the accidental looseness of the socket 2 is effectively prevented, the function of the locking ring in the original socket 2 is replaced, and the looseness caused by the axial, when the plug 1 is disassembled, the threaded outer sleeve 3 is rotated firstly, so that the pushing platform 10 does not extrude the sliding sleeve 12 any more, and the sliding sleeve 12 is pushed open under the action of the reset spring 20, so that the opening plate 15 retracts, the inserting column 4 is not frequently contacted and rubbed with the inner wall of the inserting hole 5 when being normally inserted and pulled out, the friction loss of the outer wall of the inserting column 4 is reduced, and the service life is prolonged;

after plug 1 and socket 2 are installed and are inserted completely, under some special environment, if when pegging graft on mine or vehicle, because there is the shake factor in external environment, in order to prevent that plug 1 and socket 2 from causing because of the shake not hard up, at this moment, promote lock core post 27 through positioning spring 30 and outwards remove, make gag lever post 28 and locating hole 23 joint, thereby avoid the unexpected of screw thread overcoat 3 not hard up, when not using, only need through dragging adjusting collar 31, make lock core post 27 break away from lock core hole 26, and rotate adjusting collar 31, make lock core post 27 and lock core hole 26 joint can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high current connector, includes plug (1) and socket (2), the cover is rotated in plug (1) outside has screw thread overcoat (3), and socket (2) outside be carved with the external screw thread of screw thread overcoat (3) looks adaptation, its characterized in that: an inserting column (4) is fixed in the plug (1), an inserting hole (5) is formed in the socket (2), and a locking assembly (6) used for preventing the inserting column (4) from loosening and preventing the inserting column from being worn too much after the plug (1) is inserted is installed on the outer side of the inserting column (4);

locking Assembly (6) are including threaded rod (7) and support housing (8), support housing (8) are fixed and are being inserted post (4) outer end, and install in support housing (8) and strut subassembly (9), threaded rod (7) cover is in inserting post (4) outside, and fixes in socket (2), threaded rod (7) outside screw thread cover has promotion platform (10), and promotes platform (10) outside slip and has inserted a plurality of rotations folding rod (11), and is a plurality of it is all fixed with screw thread overcoat (3) inner wall to rotate folding rod (11) top.

2. A high current connector according to claim 1, wherein: strut subassembly (9) including sliding sleeve (12) and fixed cover (13), sliding sleeve (12) sliding sleeve is in inserting post (4) outside, and fixed cover (13) fix and insert the post (4) outside, it has a plurality of openings (14) of strutting to support shell (8) outside to open, and struts and be equipped with in opening (14) and strut board (15), sliding sleeve (12) and fixed cover (13) outside all correspond and strut board (15) rigidity and have installation piece (16), and install the piece (16) outside and all rotate and be connected with slurcam (17), slurcam (17) are kept away from installation piece (16) one end and are rotated through pivot and strut board (15) inboard and be connected.

3. A high current connector according to claim 2, wherein: the inner diameter of the jack (5) is larger than the diameter of the inserted column (4), and the sliding sleeve (12), the fixed sleeve (13), the opening plate (15) and the pushing plate (17) are all made of copper alloy materials.

4. A high current connector according to claim 2, wherein: the sliding sleeve (12) both ends all are fixed with crown plate (18) with fixed cover (13) adjacent end, and promote platform (10) and be close to the sliding sleeve (12) one end outside and be fixed with contact plate (19), the cover has reset spring (20) in the insert post (4) outside, and reset spring (20) both ends respectively with sliding sleeve (12) outer end and fixed cover (13) outer crown plate (18) contact.

5. A high current connector according to claim 1, wherein: locating part (21) is installed in screw thread overcoat (3) outside, and is fixed with locating plate (22) in socket (2) outside, it has a plurality of locating holes (23) that are used for locating part (21) spacing usefulness to open on locating plate (22).

6. A high current connector according to claim 5, wherein: setting element (21) is including fixed plate (24) and limiting plate (25), fixed plate (24) and limiting plate (25) are all fixed at screw thread overcoat (3) outer wall, and have lock core hole (26) in limiting plate (25), it has lock core post (27) to slide in lock core hole (26) and peg graft, and lock core post (27) one end is fixed with limiting rod (28), and through limiting rod (28) and locating hole (23) joint, lock core post (27) are kept away from limiting rod (28) one end and are slided to peg graft and have slide bar (29), and slide bar (29) one end is fixed with fixed plate (24), slide bar (29) outer pot head has positioning spring (30), and positioning spring (30) both ends respectively with lock core post (27) and fixed plate (24) contact.

7. A high current connector according to claim 6, wherein: an adjusting sleeve (31) is fixedly sleeved on the outer side of the fixing sleeve (13) at one end, close to the sliding rod (29), of the lock cylinder column (27).