CN216354897U

CN216354897U - Power supply connector

Info

Publication number: CN216354897U
Application number: CN202123019298.5U
Authority: CN
Inventors: 刘军
Original assignee: Dongguan Kangze Electronics Co ltd
Current assignee: Dongguan Kangze Electronics Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-19
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a power connector which comprises a shell, an insulating colloid, a signal terminal and a power terminal, wherein the insulating colloid is fixedly assembled with the shell and is provided with a base part, a jack part, a first jack and a second jack, the first jack and the second jack are used for respectively accommodating the signal terminal and the power terminal, the jack part is formed by connecting and enclosing a bottom wall, two long side walls and two short side walls, the long side walls are provided with a plurality of 7-shaped grooves with equal intervals, the shell is provided with an elastic contact part and a limiting part, and the bottoms of the elastic contact part and the limiting part are limited in a vertical groove of the 7-shaped groove. The signal terminal and the power terminal are respectively inserted into the first jack and the second jack in an interference fit manner, then the shell is assembled outside the insulating colloid, and the whole connector can be assembled.

Description

Power supply connector

Technical Field

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

Background

At present, a lot of designs are designed for integrating power and signals into one electric connector, which is always pursued by the power connector and is easy to assemble and good in heat dissipation, and meanwhile, the problem that the power connector is applied to the power connector, the plugging and unplugging force between a male connector and a female connector is ensured to ensure that the connection transmission effect is also the problem that the power connector needs to be continuously improved, how to ensure that the size of the connector is not too large when the problems are solved is required at present, and the problems are easy to assemble and good in heat dissipation, and how to ensure that the plugging force is small and the unplugging force is large are solved.

SUMMERY OF THE UTILITY MODEL

In view of the technical defects in the background art, the utility model provides a power connector, which solves the technical problems and meets the actual requirements, and the specific technical scheme is as follows:

the technical scheme adopted by the utility model for solving the technical problems is as follows: a power connector comprises a shell, an insulating colloid fixedly assembled with the shell, a signal terminal and a power terminal fixedly assembled in the insulating colloid, wherein the insulating colloid is provided with a base part, a jack part extending forwards from the base part, a first jack and a second jack, the first jack and the second jack are used for respectively accommodating the signal terminal and the power terminal, the first jack is a square through hole penetrating through the base part and the jack part of the insulating colloid, the second jack is an I-shaped through hole penetrating through the base part and the jack part of the insulating colloid, the jack part is formed by connecting and enclosing a bottom wall, two long side walls and two short side walls, the bottom wall is superposed with the base part, the long side walls are provided with a plurality of 7-shaped grooves with equal intervals, each 7-shaped groove comprises a transverse groove arranged at the outer end of each long side wall and a vertical groove arranged on the inner wall of each long side wall, and the shell is provided with an elastic contact part, wherein the outer side of each long side wall is attached to the shell, the elastic contact part is bent towards the inner side of each long side wall through the transverse groove and then bent again, The outside of laminating long lateral wall is through the spacing portion that the transverse groove is bent to the inboard of long lateral wall, the bottom of elastic contact portion, spacing portion is injectd in the vertical inslot in "7" type groove, the opening of transverse groove is equipped with chamfer one.

The technical scheme is further provided, the power supply terminal is including fixing the fixed part at jack two, extending the contact arm of jack two, extending the welding foot one of the basal portion of insulating colloid from the fixed part other end to socket end from the one end of fixed part, welding foot one establishes side by side three, two side by side are established to the contact arm, two sides of fixed part all are equipped with outside convex be used for with the bump of jack two interference.

According to the technical scheme, a first buckling groove with an opening facing the direction of the socket part and a second buckling groove with an opening facing the direction opposite to the first buckling groove are formed in the outer side wall of the insulating colloid, the first buckling groove is symmetrically arranged on two sides of the second buckling groove, and the shell is provided with a first clamping position and a second clamping position which correspond to the first buckling groove and the second buckling groove respectively.

According to the technical scheme, the shell is provided with a second welding foot towards the first welding foot, the root of the second welding foot is attached to the second buckling groove, a second chamfer is arranged at the root of the second welding foot, protruding standing feet are arranged at the positions of four right angles of the upper plane of the base, and the height of the second chamfer is lower than that of the standing feet.

According to the technical scheme, the signal terminals are arranged in three rows in order, the signal terminals in the three rows are provided with second welding pins extending out of the base of the insulating colloid, and the first welding pins of the power supply terminal are respectively arranged in two alignment with the second welding pins.

According to a further technical scheme, the vertical grooves extend to the base to be communicated.

The utility model has the beneficial effects that: the utility model provides a power connector, including the shell, with the fixed insulating colloid of shell assembly, signal terminal and power supply terminal, insulating colloid is equipped with basal portion, socket portion, is used for accommodating the jack one and the jack two of signal terminal and power supply terminal respectively, socket portion is linked together by diapire, two long lateral walls, two short lateral walls and encloses, long lateral wall is equipped with the "7" type groove that a plurality of interval equals, the shell is equipped with the outside of laminating long lateral wall and bends to the inboard of long lateral wall and the spacing portion of bending to the inboard of long lateral wall through the transverse groove after the transverse groove is bent once more, the outside of laminating long lateral wall, the bottom of elastic contact portion is injectd in the vertical inslot in "7" type groove. The signal terminal and the power terminal are respectively inserted into the first jack and the second jack in an interference fit manner, and then the shell is assembled outside the insulating colloid, so that the whole connector can be assembled.

Drawings

Fig. 1 is a schematic structural diagram of a power connector according to the present invention.

Fig. 2 is a structural schematic diagram of another direction of a power connector of the present invention.

Fig. 3 is an exploded view of a power connector of the present invention.

Fig. 4 is a schematic structural diagram of an insulating colloid of a power connector according to the present invention.

Fig. 5 is a schematic structural diagram of a power terminal of a power connector according to the present invention.

Detailed Description

Embodiments of the present invention will be described below with reference to the accompanying drawings and related embodiments, which are not limited to the following embodiments, and the present invention relates to relevant necessary components in the technical field, and should be regarded as known in the art and known to those skilled in the art and understood by the technical field.

Referring to fig. 1 to 5, the present invention is realized by: there is provided a power connector comprising a housing 1, an insulating colloid 2 assembled and fixed with the housing 1, a signal terminal 3 and a power terminal 4 assembled and fixed in the insulating colloid 2, wherein the insulating colloid 2 is provided with a base 21, a socket part 22 extending forwards from the base 21, a first socket 23 and a second socket 24 for respectively accommodating the signal terminal 3 and the power terminal 4, the first socket 23 is a square through hole penetrating through the base 21 and the socket part 22 of the insulating colloid 2, the second socket 24 is an "I" -shaped through hole penetrating through the base 21 and the socket part 22 of the insulating colloid 2, the socket part 22 is formed by connecting a bottom wall 221, two long side walls 222 and two short side walls 223, the long side walls 222 are provided with a plurality of equally spaced "7" -shaped grooves 2221, the "7" -shaped grooves 2221 comprise transverse grooves 2 arranged at the outer ends of the long side walls 222 and vertical grooves 2223 arranged at the inner walls of the long side walls 222, the housing 1 is provided with an elastic contact part 11 which is attached to the outer side of the long side wall 222 and is bent towards the inner side of the long side wall 222 through the transverse groove 2222 and is bent again, and a limiting part 12 which is attached to the outer side of the long side wall 222 and is bent towards the inner side of the long side wall 222 through the transverse groove 2222, wherein the bottoms of the elastic contact part 11 and the limiting part 12 are limited in a vertical groove 2223 of the '7' type groove 2221, and the opening of the transverse groove 2222 is provided with a first chamfer angle 2224.

The signal terminal 3 and the power terminal 4 are respectively inserted into the first insertion hole 23 and the second insertion hole 24 in an interference fit mode, then the shell 1 is assembled outside the insulating colloid 2, the whole connector can be assembled, and the assembling process is simple. The opening of the transverse slot 2222 is provided with a chamfer 2224 to facilitate the contact portion to be bent and then enter the transverse slot 2222. The insertion and extraction force of the present embodiment and the opposing plug can be properly adjusted by adjusting the re-bending angle of the elastic contact portion 11, the position of the opposing plug entering the socket portion 22 of the present embodiment is defined by the limiting portion 12, the bottom of the elastic contact portion 11 is defined in the vertical groove 2223 of the "7" shaped groove 2221 to ensure that the vertical groove 2223 is smoothly pressed into the "7" shaped groove 2221 when the opposing plug is inserted into the female connector, so as to ensure that the opposing plug is smoothly inserted into the female connector of the present embodiment, and the bottom of the limiting portion is defined in the vertical groove 2223 of the "7" shaped groove to ensure that the opposing plug is smoothly inserted into the female connector. The vertical slot 2223, in addition to accommodating the elastic contact portion 11, is used as a passage for connecting the socket portion 22 to the outside, so as to facilitate heat dissipation when the connector is connected to a female connector of the present invention.

In addition to the above embodiment, as a further preferable feature of the present embodiment, the power terminal 4 includes a fixing portion 41 fixed to the second insertion hole 24, a contact arm 42 extending from one end of the fixing portion 41 to the end of the insertion hole 22 to form the second insertion hole 24, and a first soldering foot 43 extending from the other end of the fixing portion 41 to form the base portion 21 of the insulating rubber body 2, where the first soldering foot 43 is provided with three side-by-side contacts, the contact arm 42 is provided with two side-by-side contacts, and both side surfaces of the fixing portion 41 are provided with outward protruding bumps 411 for interfering with the second insertion hole 24. The contact arm 42 is used for being abutted against and contacted with a plug to transmit signals, the first welding pin 43 is welded with the PCB, the fixing part 41 is in interference fit with the second socket to be assembled in an interference mode, the salient point 411 is arranged to increase the interference force between the power terminal 4 and the insulating colloid 2, and the stability of the connector in the process of being abutted against and plugged with the plug is ensured.

On the basis of the above embodiment, as a further preferable embodiment of the present invention, the outer side wall of the insulating colloid 2 is provided with a first catching groove 26 with an opening facing the direction of the socket 22, and a second catching groove 25 with an opening facing the direction opposite to the first catching groove 26, the first catching groove 26 is symmetrically arranged at two sides of the second catching groove 25, and the housing 1 is provided with a first locking position 13 and a second locking position 14 corresponding to the first catching groove 26 and the second catching groove 25, respectively.

The shell 1 is sleeved outside the insulating colloid 2, the first clamping position 13 and the second clamping position 14 are respectively buckled on the first buckling groove 26 and the second buckling groove 25, the shell 1 can be connected with the insulating colloid 2 in a buckling mode, and assembly is convenient. The opening directions of the first buckling groove 26 and the second buckling groove 25 are opposite, so that the shell 1 is clamped with the insulating colloid 2 in two directions, and the stability of the shell 1 is ensured.

In addition to the above embodiments, as a further preferable embodiment, the outer shell 1 is provided with a second welding leg 15 facing the first welding leg 43, the root of the second welding leg 15 is attached to the second catching groove 25, the root of the second welding leg 15 is provided with a second chamfer 151, the four right-angled positions on the upper plane of the base 21 are provided with protruding stand legs 224, and the height of the second chamfer 151 is lower than the height of the stand legs 224. The design of the chamfer 151 reduces the stress between the second welding pin 15 and the shell 1, and the height of the chamfer 151 is lower than that of the standing pin 224, so that the chamfer 151 is ensured not to influence the welding of the connector. The root of the second welding pin 15 is attached to the second buckling groove 25, the second buckling groove 25 provides a space for tin climbing during welding of the second welding pin 15, and the tin soldering effect is better.

On the basis of the above embodiment, as a further preferred embodiment, the signal terminals 3 are arranged in three rows, each of the three rows of the signal terminals 3 is provided with a second welding pin 15 extending out of the base 21 of the insulating colloid 2, the three first welding pins 43 of the power terminal 4 are respectively aligned with the second welding pins 15, and the first welding pins 43 and the second welding pins 15 are arranged in order, so that the position degree of the first welding pins 43 and the second welding pins 15 is conveniently checked during assembly.

On the basis of the above embodiment, as a further preferable feature of the present embodiment, the vertical groove 2223 extends to the base portion 21 to communicate with each other, so as to increase the area of the vertical groove 2223 communicating with the socket portion 22, thereby achieving better heat dissipation.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A power supply connector is characterized by comprising a shell (1), an insulating colloid (2) assembled and fixed with the shell (1), a signal terminal (3) and a power supply terminal (4) assembled and fixed in the insulating colloid (2), wherein the insulating colloid (2) is provided with a base part (21), a socket part (22) extending forwards from the base part (21), a first jack (23) and a second jack (24) which are used for respectively accommodating the signal terminal (3) and the power supply terminal (4), the first jack (23) is a square through hole penetrating through the base part (21) and the socket part (22) of the insulating colloid (2), the second jack (24) is an I-shaped through hole penetrating through the base part (21) and the socket part (22) of the insulating colloid (2), and the socket part (22) is formed by connecting and enclosing a bottom wall (221), two long side walls (222) and two short side walls (223), the long side wall (222) is provided with a plurality of '7' type grooves (2221) with equal intervals, the '7' type grooves (2221) comprise transverse grooves (2222) arranged at the outer end of the long side wall (222) and vertical grooves (2223) arranged on the inner wall of the long side wall (222), the shell (1) is provided with elastic contact parts (11) which are attached to the outer side of the long side wall (222) and bent towards the inner side of the long side wall (222) through the transverse grooves (2222) and bent again, limiting parts (12) which are attached to the outer side of the long side wall (222) and bent towards the inner side of the long side wall (222) through the transverse grooves (2222), the bottoms of the elastic contact parts (11) and the limiting parts (12) are limited in the vertical grooves (2223) of the '7' type grooves (2221), and the openings of the transverse grooves (2222) are provided with chamfer angles (2224).

2. The power connector as claimed in claim 1, wherein the power terminal (4) includes a fixing portion (41) fixed to the second jack (24), a contact arm (42) extending from one end of the fixing portion (41) to the end of the socket portion (22) to form the second jack (24), and a first solder leg (43) extending from the other end of the fixing portion (41) to form the base portion (21) of the insulating resin (2), the first solder leg (43) is arranged in three rows, the contact arm (42) is arranged in two rows, and two side surfaces of the fixing portion (41) are provided with outwardly protruding bumps (411) for interfering with the second jack (24).

3. A power connector as claimed in claim 2, wherein the outer side wall of the insulating resin (2) is provided with a first catching groove (26) with an opening facing the direction of the socket portion (22), and a second catching groove (25) with an opening facing the opposite direction of the first catching groove (26), the first catching groove (26) is symmetrically arranged at two sides of the second catching groove (25), and the housing (1) is provided with a first catching position (13) and a second catching position (14) corresponding to the first catching groove (26) and the second catching groove (25), respectively.

4. A power connector as claimed in claim 3, wherein the housing (1) is provided with a second welding leg (15) facing the first welding leg (43), the root of the second welding leg (15) is attached to the second buckling groove (25), the root of the second welding leg (15) is provided with a second chamfer (151), the four right-angled positions on the upper plane of the base (21) are provided with protruding stand legs (224), and the height of the second chamfer (151) is lower than that of the stand legs (224).

5. A power connector as claimed in claim 2, characterized in that said signal terminals (3) are arranged in three regularly arranged rows, each of said three rows of signal terminals (3) being provided with a second solder leg (15) extending beyond the base (21) of the insulating glue (2), the three first solder legs (43) of said power supply terminals (4) being arranged in alignment with the second solder legs (15), respectively.

6. A connector as claimed in claim 1, wherein the vertical slot (2223) extends to the base (21) for communication therewith.