CN213124817U

CN213124817U - High-current connector

Info

Publication number: CN213124817U
Application number: CN202021872299.7U
Authority: CN
Inventors: 彭志况; 邹浩然; 徐启兴
Original assignee: Kanglian Precision Electromechanical Shenzhen Co ltd
Current assignee: Kanglian Precision Electromechanical Shenzhen Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-04
Anticipated expiration: 2030-08-31

Abstract

The utility model relates to the technical field of connectors, in particular to a high-current connector, which comprises a board end connecting component and a wire end connecting component which is spliced and matched with the board end connecting component; the plate end connecting assembly comprises a first shell and a plurality of male terminals connected with the first shell, each male terminal penetrates through two opposite side surfaces of the first shell, and a first heat dissipation hole is formed in the position, located between the adjacent male terminals, of the first shell; the line end connecting assembly comprises a line end connecting piece and a female terminal which is used for being matched with the male terminal in an inserting mode, the female terminal is connected with the line end connecting piece, and a plurality of second heat dissipation holes are formed in the surface of the line end connecting piece. The utility model discloses a heavy current connector has good radiating effect, and the security is higher.

Description

High-current connector

Technical Field

The utility model relates to a connector technical field, concretely relates to heavy current connector.

Background

The international advancement of the high-current connector in the aspects of structural design and material use enables the connector to show outstanding electrical performance, and the reliability of an electrical connection system cannot be achieved by a traditional connection mode. 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. However, the existing high-current connector has poor heat dissipation performance, and the plastic shell may be melted due to the fact that heat generated by the terminal cannot be dissipated after long-term use, so that accidents occur.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a large current connector, which has good heat dissipation effect and higher safety.

The utility model provides a technical scheme that its technical problem adopted is:

a large-current connector comprises a board end connecting assembly and a wire end connecting assembly which is in plug-in fit with the board end connecting assembly;

the plate end connecting assembly comprises a first shell and a plurality of male terminals connected with the first shell, each male terminal penetrates through two opposite side surfaces of the first shell, and a first heat dissipation hole is formed in the position, located between the adjacent male terminals, of the first shell;

the line end connecting assembly comprises a line end connecting piece and a female terminal which is used for being matched with the male terminal in an inserting mode, the female terminal is connected with the line end connecting piece, and a plurality of second heat dissipation holes are formed in the surface of the line end connecting piece.

Furthermore, a plurality of third heat dissipation holes are formed in the side face, parallel to the axis of the male terminal, of the first shell.

Furthermore, a plurality of first jacks which correspond to the male terminals one to one and are used for inserting the male terminals are arranged on the side face of the first shell, the first jacks are communicated with two opposite side faces of the first shell, and guide holes are formed in the side face, facing the wire end assembly, of the first shell.

Further, board end coupling assembling still locates the first rand of male terminal periphery including the card, be equipped with in the first jack with first rand joint complex first draw-in groove.

Further, terminal coupling assembling still locates female terminal outlying second rand including the card, the terminal connecting piece includes the link plate and locates on the link plate and run through the intubate of two opposite sides of link plate, female terminal is inserted and is located in the intubate, the inner wall of intubate be equipped with second rand joint complex second draw-in groove.

Furthermore, a second jack for inserting the male terminal is formed in one end, facing the male terminal, of the female terminal, and a crown spring is clamped in the second jack.

Furthermore, the male terminal is provided with a plastic head towards one end of the female terminal.

Furthermore, one end of the male terminal close to the female terminal is arranged in the first jack, and one end of the female terminal facing the male terminal is arranged in the second jack.

Further, the line end connecting assembly further comprises a second shell, the connecting plate portion of the line end connecting piece is arranged in the second shell, and the insertion tube is arranged outside the second shell.

Further, the double-phase offside of connecting plate portion is equipped with first buckle respectively, the double-phase offside of first casing is equipped with respectively with first buckle joint complex second buckle.

The utility model has the advantages that:

the utility model discloses a set up first louvre and set up the second louvre on line end connecting piece surface on first casing, the connector heat dissipation of being convenient for is favorable to improving the radiating effect of this connector, and the heat that makes the connector during operation produce can be timely looses to the connector outside, makes this connector security higher.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of an overall structure of a connector according to an embodiment of the present invention after assembly;

fig. 2 is a schematic overall structure diagram of a board end connection assembly according to an embodiment of the present invention;

fig. 3 is an exploded view of a plate end connection assembly in accordance with an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the first collar of the embodiment of the present invention;

fig. 5 is a schematic overall structure diagram of the line end connection assembly according to the embodiment of the present invention;

fig. 6 is an exploded view of a line end connection assembly in accordance with an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a line end connector according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a guide hole according to an embodiment of the present invention.

Description of reference numerals: 1. a first housing; 11. a first heat dissipation hole; 12. a third heat dissipation hole; 13. a first jack; 14. a guide hole; 15. a second buckle; 2. a male terminal; 3. a wire end connector; 31. a second heat dissipation hole; 32. a connecting plate portion; 33. inserting a tube; 34. a first buckle; 4. a female terminal; 41. a second jack; 5. A first collar; 51. a first snap ring; 52. a first spring plate; 6. a second collar; 7. a crown spring; 8. plastic heads; 9. a second housing; 91. an upper shell; 92. a lower case; 100. a board end connecting assembly; 200. wire end connecting component.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

Example 1

A high-current connector, as shown in FIG. 1, includes a board end connecting assembly 100 and a wire end connecting assembly 200 that is plugged into the board end connecting assembly 100.

As shown in fig. 2-3, the board end connecting assembly 100 includes a first housing 1 and a plurality of male terminals 2 connected to the first housing 1, each male terminal 2 penetrates two opposite side surfaces of the first housing 1, and a first heat dissipating hole 11 is formed in a position of the first housing 1 between adjacent male terminals 2.

As shown in fig. 5 to 7, the line end connection assembly 200 includes a line end connector 3 and a female terminal 4 for mating with the male terminal 2, the female terminal 4 is connected to the line end connector 3, and a plurality of second heat dissipation holes 31 are formed in a surface of the line end connector 3.

The utility model discloses a set up first louvre 11 and set up second louvre 31 on 3 surfaces of on-line end connecting piece on first casing 1, the connector heat dissipation of being convenient for is favorable to improving the radiating effect of this connector, and the heat that makes the connector during operation produce can be timely dispel to the connector outside, makes this connector security higher.

In order to further improve the heat dissipation performance of the connector, a plurality of third heat dissipation holes 12 are formed in a side surface of the first housing 1 parallel to the axis of the male terminal 2.

Specifically, the first housing 1 is provided with a front side facing the line end connecting assembly 200, a rear side disposed opposite to the front side, an upper side disposed above the front side, a lower side disposed below the front side, and a left side and a right side disposed on the left and right sides of the front side, respectively.

The front side surface of the first housing 1 is uniformly provided with a plurality of first insertion holes 13 which are in one-to-one correspondence with the male terminals 2 and used for inserting the male terminals 2, and the first insertion holes 13 are communicated with two opposite side surfaces of the first housing 1, which is equivalent to the first insertion holes 13 communicated with the front side surface and the rear side surface of the first housing 1.

Specifically, in order to further improve the heat dissipation effect, the first heat dissipation holes 11 are disposed on the front side surface of the first casing 1, two first heat dissipation holes 11 are disposed between two adjacent first insertion holes 13, the two first heat dissipation holes 11 between two adjacent first insertion holes 13 are disposed on the upper portion close to the first heat dissipation holes 11 and on the lower portion close to the first heat dissipation holes 11, and the third heat dissipation holes 12 are disposed on the lower side surface of the first casing 1.

Wherein, first casing 1 is equipped with guiding hole 14 towards the leading flank of line end subassembly, is convenient for distinguish the grafting direction of public terminal 2 and female terminal 4 fast, improves line end coupling assembling 200 and board end coupling assembling 100's grafting efficiency. In this embodiment, a guide hole 14 is respectively disposed above and below each first insertion hole 13, and the guide holes 14 are communicated with the first insertion holes 13, so that the female terminal 4 can be inserted into and matched with the male terminal 2 in a forward or reverse direction. In other embodiments, as shown in fig. 8, each first insertion hole 13 may also be provided with a guide hole 14, so as to achieve a fool-proof effect, facilitate a worker to quickly identify the insertion direction of the male terminal 2 and the female terminal 4, and improve the insertion efficiency.

The board end connecting assembly 100 further includes a first clamping ring 5 clamped on the periphery of the male terminal 2, and a first clamping groove (not shown in the figure) clamped and matched with the first clamping ring 5 is arranged in the first inserting hole 13. Specifically, as shown in fig. 4, first rand 5 includes that the card locates the first snap ring 51 of male terminal 2 outlying and locates a plurality of first shell fragments 52 of first snap ring 51 one side, first snap ring 51 is seted up jaggedly, is convenient for go into male terminal 2 with first snap ring 51 card on, also is convenient for take off first snap ring 51 from male terminal 2, the one end that first snap ring 51 was kept away from to first shell fragment 52 gradually to the direction perk setting of keeping away from first snap ring 51 center, makes male terminal 2 insert in first jack 13 after, the part that first shell fragment 52 perk can block and make in the first draw-in groove of first jack 13 male terminal 2 can install in first jack 13 steadily, and the structure is more firm.

Wherein, as shown in fig. 5, in order to make female terminal 4 can be more stable be connected with line end connecting piece 3, line end connecting piece 200 still includes the card and locates female terminal 4 outlying second rand 6, specifically, the structure of second rand 6 is the same with first rand 5's structure, line end connecting piece 3 includes connecting plate portion 32 and locates on connecting plate portion 32 and run through the intubate 33 of two opposite sides of connecting plate portion 32, female terminal 4 inserts and locates in intubate 33, the inner wall of intubate 33 is equipped with the second draw-in groove (not shown in the figure) of second rand 6 joint complex.

As shown in fig. 5, a second insertion hole 41 into which the male terminal 2 is inserted is opened at one end of the female terminal 4 facing the male terminal 2, and the crown spring 7 is clamped in the second insertion hole 41. Because the crown spring 7 is in a multi-card point contact mode, the crown spring 7 is more beneficial to current transmission between the male terminal 2 and the female terminal 4.

Specifically, in order to further improve the heat dissipation effect, as shown in fig. 6, the second heat dissipation hole 31 is disposed on the surface of the insertion tube 33.

In order to further improve the safety performance of the connector and prevent electric shock, one end of the male terminal 2 close to the female terminal 4 is disposed inside the first jack 13, and one end of the female terminal 4 facing the male terminal 2 is disposed inside the second jack 41. When the contact is used specifically, the male terminal 2 is inserted into the crown spring 7 in the female terminal 4, so that the male terminal 2 and the female terminal 4 are in contact current communication.

As shown in fig. 3, the plastic head 8 is disposed at one end of the male terminal 2 facing the female terminal 4, so as to prevent the finger from touching the end of the male terminal 2 and causing an electric shock, and the connector is safer.

As shown in fig. 6, in order to further improve the safety of the present connector, the wire end connecting member 3 and the female terminal 4 are protected, the wire end connecting assembly 200 further includes a second housing 9, the connecting plate portion 32 of the wire end connecting member 3 is disposed in the second housing 9, and the insertion tube 33 is disposed outside the second housing 9. Specifically, second casing 9 includes epitheca 91 and inferior valve 92, epitheca 91 and inferior valve 92 are fixed through the screw lock closure, between connection board portion 32 passes through the screw fixation in epitheca 91 and inferior valve 92, the convenience more and intensity height of screw closure structure dismouting are favorable to improving dismouting efficiency and structural strength.

As shown in fig. 1, two opposite sides of the connecting plate portion 32 are respectively provided with a first buckle 34, two opposite sides of the first housing 1 are respectively provided with a second buckle 15 in clamping fit with the first buckle 34, and the two second buckles 15 are respectively arranged on the left side and the right side of the first housing 1. The arrangement of the first latch 34 and the second latch 15 makes the connection structure between the wire end connecting assembly 200 and the board end connecting assembly 100 more stable, so that the two are not easily separated.

Specifically, in order to further increase the structural strength of the connector, the first buckle 34 and the connecting plate portion 32 are integrally formed, the second buckle 15 and the first shell 1 are integrally formed, the structure is simpler, the number of finished parts is less, the assembly is simpler, the reduction of the process assembly is facilitated, and the benefit is improved.

Specifically, first casing 1, second casing 9, line end connecting piece 3 are the plastic part, can prevent to electrocute, just first casing 1, second casing 9, line end connecting piece 3 each thickness equals, are favorable to improving the size precision and the intensity of this connector.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. A high current connector, characterized by: the device comprises a board end connecting component (100) and a wire end connecting component (200) which is in plug-in fit with the board end connecting component (100);

the board end connecting assembly (100) comprises a first shell (1) and a plurality of male terminals (2) connected with the first shell (1), each male terminal (2) penetrates through two opposite side surfaces of the first shell (1), and a first heat dissipation hole (11) is formed in the position, located between the adjacent male terminals (2), of the first shell (1);

the terminal connecting assembly (200) comprises a terminal connecting piece (3) and a female terminal (4) which is used for being matched with the male terminal (2) in an inserting mode, the female terminal (4) is connected with the terminal connecting piece (3), and a plurality of second heat dissipation holes (31) are formed in the surface of the terminal connecting piece (3).

2. A high current connector according to claim 1, wherein: and a plurality of third heat dissipation holes (12) are formed in the side surface of the first shell (1) parallel to the axis of the male terminal (2).

3. A high current connector according to claim 1, wherein: the side of first casing (1) is arranged and is equipped with a plurality ofly and public terminal (2) one-to-one and supplies public terminal (2) male first jack (13), two relative sides of first jack (13) intercommunication first casing (1), first casing (1) is equipped with guiding hole (14) towards the side of line end subassembly.

4. A high current connector according to claim 3, wherein: board end coupling assembling (100) still locate public terminal (2) outlying first rand (5) including the card, be equipped with in first jack (13) with first rand (5) joint complex first draw-in groove.

5. A high current connector according to claim 1, wherein: terminal end coupling assembling (200) are still including card locating female terminal (4) outlying second rand (6), terminal end connecting piece (3) are including connecting plate portion (32) and locate on connecting plate portion (32) and run through intubate (33) of two opposite sides of connecting plate portion (32), female terminal (4) are inserted and are located in intubate (33), the inner wall of intubate (33) is equipped with the second draw-in groove of second rand (6) joint complex.

6. A high current connector according to claim 1, wherein: and one end of the female terminal (4) facing the male terminal (2) is provided with a second jack (41) for the male terminal (2) to be inserted, and a crown spring (7) is clamped in the second jack (41).

7. A high current connector according to claim 1, wherein: and a plastic head (8) is arranged at one end of the male terminal (2) facing the female terminal (4).

8. A high current connector according to claim 1, wherein: the male terminal (2) is close to one end of the female terminal (4) and is arranged in the first jack (13), and one end, facing the male terminal (2), of the female terminal (4) is arranged in the second jack (41).

9. A high current connector according to claim 5, wherein: the line terminal connecting assembly (200) further comprises a second shell (9), the connecting plate part (32) of the line terminal connecting piece (3) is arranged in the second shell (9), and the insertion pipe (33) is arranged outside the second shell (9).

10. A high current connector according to claim 5, wherein: the two opposite sides of the connecting plate part (32) are respectively provided with a first buckle (34), and the two opposite sides of the first shell (1) are respectively provided with a second buckle (15) which is in clamping fit with the first buckle (34).