CN215343225U

CN215343225U - High-current electric connector

Info

Publication number: CN215343225U
Application number: CN202121688870.4U
Authority: CN
Inventors: 吕成想
Original assignee: Haigu Technology Suzhou Co Ltd
Current assignee: Haigu Technology Suzhou Co Ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-12-28
Anticipated expiration: 2031-07-23

Abstract

The utility model provides a high-current electric connector which comprises an opposite plug-in unit, wherein the opposite plug-in unit comprises a fixed end and a movable end which are matched in an opposite plug-in manner, two side walls of one of the fixed end and the movable end are provided with lock hooks, and the other one of the fixed end and the movable end is provided with a locking piece; the locking mechanism is used for being in sliding fit with the locking hook and locked and fixed on the locking piece, and the upper partition and the lower partition of the fixed end and the movable end are symmetrically distributed in the left-right direction relative to the central vertical line. This scheme sets up latch hook and locking piece respectively through stiff end and the expansion end at the connector, and rotatory locking mechanism can connect stiff end and activity end connector through latch hook and locking piece, and the closure relation can be relieved in the reverse operation, and the rail structure of symmetric distribution can prevent to strike sparks, guarantees heavy current transmission's stability. The locking mechanism is simple in structure, convenient to operate, firm and reliable in locking, low in cost, capable of being applied to various types of current electric connectors and wide in application range.

Description

High-current electric connector

Technical Field

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

Background

In recent years, with the increase in the usage rate of new energy vehicles, battery capacity has become the biggest obstacle to limiting the development of the industry, and in order to solve the problem of battery capacity, capacity expansion is one direction of development, and a higher charging speed is another direction of development. In addition to improving battery quality, speeding up charging is the most problematic of the connectors. The connector terminal has a plurality of aspects such as theoretical specification, contact resistance, sparking characteristic and improvement of use safety.

The large-current connectors on the market mostly adopt an opposite-polarity terminal structure, and the special-shaped terminals have the defects of extremely poor adaptability, sliding risk, possibility of causing poor contact of the terminals, occurrence of poor conditions such as ignition and arcing and the like. In the connector, in order to improve the stability of large current transmission, a plurality of locking structures are provided, which results in a complicated structure of the connector.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-current electric connector which is simple in structure and firm in locking, improves the stability of high-current transmission, and effectively improves the poor current situations that the traditional high-current connector is poor in terminal contact, easy to ignite and flashover and the like.

The utility model provides a high-current electric connector which comprises a fixed end and a movable end which are in butt-inserting fit, wherein two side walls of one of the fixed end and the movable end are provided with lock hooks, and the other one of the fixed end and the movable end is provided with a lock piece; the locking mechanism is used for being in sliding and rotating fit with the locking hook and is locked and fixed on the locking piece; the fixed end and the upper partition and the lower partition of the movable end are symmetrically distributed in the left-right direction relative to the central vertical line.

Preferably, the locking mechanism comprises a body provided with a sliding rail, a rotating handle fixedly arranged at the end part of the body and a key detachably connected to the rotating handle; the rotary handle is provided with a guide groove and a clamping piece, the bottom of the guide groove is provided with two support columns, springs are sleeved on the support columns, the key is provided with a guide-in piece, a positioning block and two locking blocks, the guide-in piece is used for being matched with the guide groove, the positioning block is buckled with a clamping groove of the clamping piece when being inserted into the bottom of the guide groove, the two locking blocks are locked in a lock hole of the locking piece, and the body is provided with a sliding groove and a rotation stopping portion used for limiting the lock catch.

Preferably, the upper partition and the lower partition of the fixed end and the movable end are symmetrically distributed in the left-right direction relative to the central vertical line.

Preferably, the two side surfaces of the rotating handle are provided with hand grips, anti-skid protrusions or anti-skid grooves.

Preferably, the sliding groove is a waist-shaped hole.

When the high-current electric connector provided by the utility model needs to be locked, one end of the locking mechanism is connected with the locking hook in a sliding way and rotates to a locking waiting position by taking the locking hook as a center, and the other end of the locking mechanism is buckled and locked with the locking block; when unlocking, the connection relation between the locking mechanism and the locking block and the locking hook is sequentially released. The locking mechanism is simple in structure, convenient to operate, firm and reliable in locking, low in cost, capable of being applied to various types of current electric connectors, especially large-current connectors, and wide in application range. The upper partition and the lower partition are distributed in bilateral symmetry relative to the central vertical line, so that ignition can be prevented, and the stability of large-current transmission is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a high-current electrical connector provided in the present invention;

FIG. 2 is an exploded view of a high current electrical connector provided in accordance with the present invention;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is a schematic view of a high current electrical connector according to the present invention in a locked state;

fig. 5 is a schematic view of a high current electrical connector provided in the present invention in an unlocked state;

FIG. 6 is a schematic view of a fixing end of the high current electrical connector of the present invention;

fig. 7 is a schematic diagram of a free end of a high current electrical connector according to the present invention.

Wherein, 1-fixed end, 2-movable end, 3-latch hook, 4-locking mechanism, 5-latch and 6-locking piece;

11-upper terminal, 12-lower terminal, 13-upper partition, 14-lower partition, 41-body, 42-rotary handle, 43-key;

411-sliding groove, 412-rotation stopping part, 421-guide groove, 422-clamping piece, 423-spring, 424-supporting column, 431-guide piece, 432-positioning block and 433-locking block.

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.

In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.

The utility model provides a high-current electric connector which comprises a pair of plug-in units and a locking mechanism 4, wherein the plug-in units comprise a fixed end 1 and a movable end 2 which are matched in a plug-in mode, and the locking mechanism 4 is used for locking the fixed end 1 and the movable end 2. Specifically, both sides wall of one of stiff end 1 and expansion end 2 has set firmly latch hook 3, and the top of the other has set firmly locking piece 6, and locking mechanism 4 one end is rotatory to be installed on latch hook 3, and the other end locks with locking piece 6 looks lock and locks, realizes the fastening of stiff end 1 and expansion end 2 from this, and locking is firm and stable. When unlocking is needed, the locking relation between the locking mechanism 4 and the locking piece 6 is released, and the operation is convenient and fast.

The upper partition 13 and the lower partition 14 of the fixed end 1 and the movable end 2 are symmetrically distributed in the left-right direction relative to the central vertical line. So set up, also the jube presents the axial bilateral symmetry structure, can prevent to strike sparks, and the position dislocation set of jube and terminal forms prevents staying, guarantees the accuracy of inserting. Meanwhile, the large-end terminal is separated by the partition, so that ignition and damage to the plug-in circuit during use are prevented, and meanwhile, the stability of large-current transmission is ensured.

Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a high-current electrical connector according to the present invention; FIG. 2 is an exploded view of a high current electrical connector provided in accordance with the present invention;

FIG. 3 is a cross-sectional view of FIG. 1; FIG. 4 is a schematic view of a high current electrical connector according to the present invention in a locked state; fig. 5 is a schematic diagram of the high-current electrical connector provided by the present invention in an unlocked state.

By the above, the locking mechanism 4 is connected with the fixed end 1, the movable end 2 and the movable end 2 through the lock catch 5 and the locking piece 6. In the present embodiment, the lock mechanism 4 includes a body 41, a rotation knob 42, and a key 43. The body 41 includes two convex plate bodies distributed in parallel, and the body 41 is provided with a sliding slot 411 and a rotation stop part 412 for limiting the lock catch 5. The rotary handle 42 is fixedly arranged at the end of the body 41 for assisting insertion and extraction. The rotating handle 42 is provided with a guide groove 421 and a clamping piece 422, the bottom of the guide groove 421 is provided with two supporting columns 424, and the supporting columns 424 are sleeved with springs 423. The key 43 is provided with a guiding member 431, a positioning block 432 and two locking blocks 433, the guiding member 431 is adapted to the guide groove 421 and can be inserted along the guide groove 421, when the guiding member 431 is inserted to the bottom of the guide groove 421, the positioning block 432 is buckled in the clamping groove of the clamping piece 422, and the two locking blocks 433 are locked in the locking hole of the locking member 6, so that the key 43 and the rotating handle 42 can be locked. The key 43 is detachably mounted on the rotating handle 42, and locking/unlocking operations can be performed through the elastic key 43.

When unlocking, the key 43 is pushed towards the unlocking direction, the key 43 is unlocked with the locking piece 6, the rotating handle 42 is rotated immediately, and the key 43 is restored to the initial state under the action of the elastic component, namely unlocking is realized.

That is to say, the tail of the key 43 is provided with the locking blocks 433, the hole is arranged in the locking member 6, and when the key 43 is locked with the locking member 6, the two locking blocks 433 are correspondingly clamped into the hole. When the unlocking is needed, the key 43 is pushed towards the unlocking direction, the locking block 433 is enabled to be disengaged from the hole, the spring 423 is compressed at the moment, and when the pushing force disappears, the key 43 is restored to the original position under the action of the spring 423.

The locking mechanism 4 adopts a detachable installation structure, the locking is convenient and firm, the assembly and disassembly are convenient, and the key 43 belongs to an easily damaged part, so that the detachable structure is easy to replace the key 43, and the use cost is saved.

In order to conveniently grip the rotating handle 42, anti-slip structures can be arranged on two side faces of the rotating handle 42, and the anti-slip structures can be hand grips, anti-slip protrusions or anti-slip grooves, so that hand slipping is prevented, hand operation is facilitated, and the anti-slip structure is more convenient and efficient to use.

The sliding slot 411 is preferably, but not limited to, a waist-shaped hole, and may also be a waist-shaped hole with a half plane.

Referring to fig. 6 and 7, fig. 6 is a schematic view of a fixing end of a high current electrical connector provided by the present invention; fig. 7 is a schematic diagram of a free end of a high current electrical connector according to the present invention.

According to the plug-in unit, the plug-in unit comprises the two power supply PIN, the plurality of upper terminals 11 and the plurality of lower terminals 12, preferably, the upper terminals 11 and the lower terminals 12 are arranged in equal quantity, and are distributed in a one-to-one correspondence up-and-down symmetrical mode relative to the axis of the plug-in unit, so that accurate plug-in connection is guaranteed, processing is facilitated, the appearance is attractive, and the electric connection performance is stable.

The upper barrier 13 and the lower barrier 14 are provided between the upper terminal 11 and the lower terminal 12. The above-mentioned PIN position that can also adopt different arranges, but what need guarantee that PIN position arranges differently, can't cross the interwork.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The high current electrical connector provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A high-current electric connector comprises a fixed end (1) and a movable end (2) which are in butt-joint fit, and is characterized in that two side walls of one of the fixed end (1) and the movable end (2) are provided with lock hooks (3), and the other is provided with a locking piece (6); the locking mechanism (4) is in sliding and rotating fit with the locking hook (3) and is locked and fixed on the locking piece (6);

the fixed end (1) and the upper partition (13) and the lower partition (14) of the movable end (2) are symmetrically distributed in the left-right direction relative to the central vertical line.

2. A high current electrical connector according to claim 1, wherein said locking mechanism (4) comprises a body (41) provided with a slide rail, a rotating handle (42) fixed to an end of said body (41), and a key (43) detachably connected to said rotating handle (42); rotatory handle (42) are equipped with guide slot (421) and card (422), the bottom of guide slot (421) is equipped with two support columns (424), suit spring (423) on support column (424), button (43) are equipped with and are used for the adaptation leading-in piece (431), locating piece (432) and two locking pieces (433) of guide slot (421), when leading-in piece (431) insert to guide slot (421) bottom, locating piece (432) lock in the draw-in groove of card (422), and two locking pieces (433) lock in the lockhole of locking piece (6), body (41) are equipped with spout (411) and rotation stopping portion (412) for spacing hasp (5).

3. A high current electrical connector according to claim 1, wherein said fixed end (1) and said movable end (2) are respectively provided with a plurality of upper terminals (11) and a plurality of lower terminals (12), said upper terminals (11) and said lower terminals (12) are arranged in equal number and are distributed symmetrically up and down in a one-to-one correspondence with respect to the axial center of the corresponding plug-in unit.

4. A high current electrical connector according to claim 2, wherein said knob (42) is provided with fingers, protrusions or grooves on both sides.

5. A high current electrical connector according to claim 2, wherein said slide slots (411) are slotted holes.