CN218975948U - Wire-to-board connector - Google Patents

Abstract

The utility model discloses a wire-to-board connector, which comprises a socket connector and a plug connector spliced with one end of the socket connector, wherein the plug connector comprises a plug connector insulating shell, and a power jack component and a signal component which are arranged in the plug connector insulating shell; the power jack assembly comprises a contact section matched with a power supply pin of the socket connector, a crimping section used for crimping a cable wire and a limit groove section arranged between the contact section and the crimping section and used for being matched with a bolt; the end part of the contact section, which faces the direction of the limit groove section, is provided with a fixed table; a plug hole for installing a plug is formed in the installation position of the power jack at one side of the plug connector insulating shell, which corresponds to the limit groove section of the power jack assembly; after the bolt is inserted into the bolt hole, the limiting section of the bolt is matched with the limiting groove section and the fixed table of the contact section. The power supply pin assembly is stable in installation and not easy to loosen; the higher anti-pull-out requirement of the power jack assembly is met.

Description

Wire-to-board connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a wire-to-board connector.

Background

Wire-to-board connectors are connectors that connect wires to circuit boards and are widely used in the fields of automobiles, communications, consumer electronics, data processing, industrial machinery, and the like. The common wire-to-board connector is provided with an embedded punching piece type module power connector which is mainly used for a distributed power supply, a communication power supply and a server power supply; the method has the advantages of low cost, convenient assembly, high current carrying capacity and strong universal expansibility. For example, chinese patent literature discloses a "wire-to-board connector with fiber holder" (publication No. CN211505959U, publication date 2020, 09, 15); the Chinese patent literature discloses a novel power connector of a large current wire pair board (publication No. CN217387611U, publication No. 2020, 09 and 06). In practical use, the technology disclosed in the above document still has some problems, for example, the socket connector in the prior art has thin side wall, easy deformation and low strength; the welding plate end of the socket connector is not provided with a heat insulation groove, so that heat dissipation is not facilitated, and plastic parts are easy to scald during welding; the power pin fixing mode of the plug connector has limitation and has the problem of easy loosening. In view of the foregoing, in order to further improve the performance of the wire-to-board connector, an adaptive improvement is required in the prior art.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art and providing the socket connector with high side wall strength and difficult deformation; the power supply pin of the plug connector is stably installed, and the wire-to-board connector is not easy to loosen.

The technical purpose of the utility model is realized by the following technical proposal,

a wire-to-board connector comprises a socket connector and a plug connector spliced with one end of the socket connector, wherein the plug connector comprises a plug connector insulating shell provided with a plurality of signal jacks and a plurality of power supply jacks; the power jack assembly and the signal assembly are arranged in the power jack and the signal jack in a detachable connection structure, and the power jack assembly comprises a contact section matched with a power supply contact pin of the socket connector, a crimping section used for crimping a cable wire and a limiting groove section arranged between the contact section and the crimping section and used for being matched with a bolt; the end part of the contact section, which faces the direction of the limit groove section, is provided with a fixed table; a plug hole for installing a plug is formed in the installation position of the power jack at one side of the plug connector insulating shell, which corresponds to the limit groove section of the power jack assembly; after the bolt is inserted into the bolt hole, the limiting section of the bolt is matched with the limiting groove section and the fixed table of the contact section.

The plug pin further comprises an elastic arm arranged at one end of the limiting section and a clamping point arranged on the elastic arm, wherein the clamping point is matched with a clamping point groove of the plug connector insulating shell.

The contact section is integrally U-shaped, and a first elastic barb matched with the side wall of the power jack is arranged at the bottom of the U-shaped contact section.

The socket connector insulating shell of the socket connector is provided with a plug cavity matched with the plug-in part of the plug connector, and a plurality of reinforcing ribs are arranged on the plug cavity along the inner wall interval of the length direction.

Guide posts are arranged on two sides of the plug-in connection part, and correspondingly, guide grooves matched with the guide posts are arranged in the plug-in connection cavity.

A plurality of heat insulation grooves are arranged between the welding plate ends of the plug connector insulating shell of the socket connector at intervals.

The whole shape of the fixed table is L-shaped, and the fixed table comprises an arc-shaped connecting section connected with the end part of the contact section and a strip-shaped contact section matched with the limiting section.

Compared with the prior art, the utility model has the beneficial effects that,

1. the power jack component comprises a contact section matched with a power supply pin of a socket connector, a crimping section for crimping a cable wire and a limit groove section arranged between the contact section and the crimping section and used for being matched with a bolt; the end part of the contact section, which faces the direction of the limit groove section, is provided with a fixed table. One side of the plug connector insulating shell is provided with a bolt hole for installing a bolt at the installation position of the power jack, wherein the limit groove section corresponds to the power jack component. After the bolt is inserted into the bolt hole, the limiting section of the bolt and the fixing table of the limiting groove section and the contact section form stable fit. The contact area of the limiting section and the contact section can be further improved through the fixing table, so that the limiting section of the plug pin can form a more stable matching relationship with the limiting groove section of the power jack assembly and the fixing table, and the effect of more stable installation in the power jack of the power jack assembly is achieved. By adopting the structure, the power jack assembly can be prevented from being released from the power jack accidentally after the hands are loosened, and the higher anti-pull-out requirement of the power jack assembly is further met.

2. The socket connector is provided with the plug-in cavity matched with the plug-in part of the plug connector, and the inner wall of the plug-in cavity along the length direction is provided with a plurality of reinforcing ribs at intervals. Through setting up the strengthening rib at the inner wall in grafting chamber, can guarantee socket connector's grafting chamber's bulk strength to prevent grafting chamber deformation, guarantee socket connector and plug connector smooth and easy matching.

3. The socket connector insulating shell of the socket connector is provided with a plurality of heat insulation grooves at intervals between welding plate ends. Through set up thermal-insulated groove at the welded plate end, can be used for preventing high temperature direct action plug connector insulating housing surface, prevent scalding plug connector insulating housing, but also increase the air current, optimize welding quality.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic structural view of the receptacle connector 1 in fig. 1;

fig. 3 is a schematic view of the plug connector 3 of fig. 1;

FIG. 4 is a schematic diagram of the power jack assembly 24 of FIG. 3;

fig. 5 is a schematic diagram of the signal assembly 25 in fig. 3;

FIG. 6 is a schematic view of the latch 26 of FIG. 3;

FIG. 7 is a schematic diagram illustrating the mating of the power jack assembly 24 and the latch 26 of FIG. 3;

FIG. 8 is a schematic view of the internal structure of FIG. 3;

FIG. 9 is a schematic view of the internal structure of FIG. 2;

reference numeral, 1-receptacle connector; 11-a receptacle connector insulating housing; 111-a plug-in cavity; 1111—a guide groove; 112-reinforcing ribs; 113-welding plate ends; 1131-a heat insulation tank; 12-a power pin; 121-a third resilient barb; 13-signal pins; 14-positioning claws; 2-plug connectors; 21-plug connector insulating housing; 211-pin holes; 212-stuck point groove; 213—a plug-in part; 2131—guide posts; 22-a power jack; 23-signal jack; 24-a power jack assembly; 241—a contact section; 2411-a fixed table; 2412-a connecting segment; 2413-a mating segment; 2414-a first resilient barb; 242-limiting groove section; 243—a crimp segment; 25-a signal assembly; 251-a second resilient barb; 26-a bolt; 261-limit section; 262-elastic arms; 263-stuck point; 3-cable conductors.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the embodiments of the present utility model, it should be noted that the meaning of "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

As shown in fig. 1 to 9, a wire-to-board connector includes a receptacle connector 1 and a plug connector 2 plugged into one end of the receptacle connector 1, the plug connector 2 including a plug connector insulating housing 21 provided with a plurality of signal insertion holes 23 and a plurality of power insertion holes 22, and a power insertion hole assembly 24 and a signal assembly 25 mounted in the plug connector insulating housing 21. A detachable connection structure is adopted between the plug connector insulating housing 21 and the power jack assembly 24 and the signal assembly 25. The power jack assembly 24 includes a contact section 241 for mating with the power pin 12 of the receptacle connector 1, a crimp section 243 for crimping the cable wire 3, and a limit slot section 242 disposed between the contact section 241 and the crimp section 243 for mating with the latch 26; the end part of the contact section 241 facing the direction of the limit groove section 242 is provided with a fixed table 2411; a plug hole 211 for installing a plug 26 is formed in the installation position of the power jack 22 at one side of the plug connector insulating housing 21 corresponding to the limit groove section 242 of the power jack assembly 24; after the latch 26 is inserted into the latch hole 211, the spacing segment 261 of the latch 26 mates with the spacing groove segment 242 and the fixed stage 2411 of the contact segment 241.

As shown in fig. 3, 4, 5, specifically, the plug connector insulating housing 21 of the plug connector 2 includes a plug-in portion 213 that mates with the socket groove of the socket connector 1, and 4 power supply jacks 22 and 8 signal jacks 23 for mounting the power supply jack assembly 24 and the signal assembly 25. The contact section 241 of the power jack assembly 24 is provided with a first resilient barb 2414; one end of the signal assembly 25 is provided with a second resilient barb 251. In actual use, the power jack assembly 24 and the signal assembly 25 are mounted into the power jack 22 and the signal jack 23 with elastic interference by the first elastic barb 2414 and the second elastic barb 251, respectively. The contact section 241 of the power jack assembly 24 is generally U-shaped, and a first elastic barb 2414 is provided at the bottom of the U-shape and engages with the sidewall of the power jack 22. By adopting the technical measure, the power jack assembly 24 and the signal assembly 25 are convenient to mount and dismount.

As shown in fig. 3-8, to prevent the power jack assembly 24 from being released from the power jack 22 due to excessive pulling force, a locking structure for further locking the power jack assembly 24 is added. The locking structure includes a plug connector insulating housing 21 provided with a pin hole 211, a pin 26, and a limit slot section 242 provided in the power jack assembly 24 corresponding to the pin hole 211. Wherein the power jack assembly 24 comprises a contact section 241 for mating with the power pin 12 of the receptacle connector 1, a crimp section 243 for crimping the cable wire 3, and a limiting slot section 242 disposed between the contact section 241 and the crimp section 243 for mating with the latch 26; the end of the contact section 241 facing the direction of the limit groove section 242 is provided with a fixing stage 2411. One side of the plug connector insulating housing 21 is provided with a plug hole 211 for mounting the plug 26 at the mounting position of the power jack 22 corresponding to the limit groove section 242 of the power jack assembly 24. When the latch 26 is inserted into the latch hole 211, the spacing segment 261 of the latch 26 forms a stable fit with the spacing groove segment 242 and the fixed stage 2411 of the contact segment 241. The number of the plug holes 211 is the same as that of the power supply plug holes 22; in actual use, stationary stage 2411 includes a connecting section 2412 connected to an end of contact section 241 and a mating section 2413 that mates with spacing section 261. Wherein, the connecting section 2412 may be an inclined connecting section, an arc connecting section, etc., and the mating section 2413 may be a bar-shaped mating section, a comb-shaped mating section, etc. By providing the fixing base 2411, the contact area between the spacing segment 261 and the contact segment 241 can be further increased, so that the spacing segment 261 of the plug 26 can form a more stable mating relationship with the spacing groove segment 242 of the power jack assembly 24 and the fixing base 2411, thereby achieving the effect of more stable installation of the power jack assembly 24 in the power jack 22. By adopting the structure, the power jack assembly 24 can be prevented from being released from the power jack 22 accidentally after the hands are loosened, and the higher pull-out prevention requirement of the power jack assembly 24 is further met.

As shown in fig. 6 and 7, the latch 26 further includes an elastic arm 262 disposed at one end of the limiting section 261 and a latch point 263 disposed on the elastic arm 262, where the latch point 263 is engaged with the latch point groove 212 of the plug connector insulating housing 21. In actual use, the latch hole 211 includes an end fixing hole for mounting one end of the fixed limit section 261 on one side of the plug connector insulating housing 21 and an elastic arm fixing hole for mounting the fixed elastic arm 262 on the other side of the plug connector insulating housing 21. When the limit section 261 of the latch 26 is completely inserted into the latch hole 211, the elastic arm 262 at one end of the limit section 261 integrally enters the elastic arm fixing hole of the latch hole 211, which functions as the fixed latch 26, but has a problem of difficult removal. Accordingly, a snap 263 having a beveled boss is provided at the upper end of the spring arm 262, and correspondingly, a snap groove 212 extending into the plug pin hole 211 is provided in the plug connector insulating housing 21 from the end surface of one end of the plug portion 213. By adopting the technical measure, the bolt 26 can be conveniently installed/detached while ensuring the locking function, and the production efficiency can be further improved.

As shown in fig. 1, 2 and 9, the socket connector 1 includes a socket connector insulating housing 11, a positioning claw 14, a signal pin 13 and a power pin 12, the signal pin 13 and the positioning claw 14 are fixed on the socket connector insulating housing 11 by interference, and the power pin 12 is fixed in a socket through slot by elastic interference through a third elastic barb 121. The entire receptacle connector 1 is mounted on the printed board by soldering with the positioning claws 14 via the pin pins.

The socket connector 1 is further provided with a socket cavity 111 which is matched with the socket part 213 of the plug connector 2, and a plurality of reinforcing ribs 112 are arranged on the inner wall of the socket cavity 111 along the length direction at intervals. In actual use, the reinforcing ribs 112 are arranged on the inner wall of the plug cavity 111, so that the overall strength of the plug cavity 111 of the socket connector 1 can be ensured, the deformation of the plug cavity 111 is prevented, and the smooth matching of the socket connector 1 and the plug connector 2 is ensured.

As shown in fig. 2 and 9, the solder plate end 113 of the receptacle connector insulating housing 11 of the receptacle connector 1 is provided with a plurality of heat insulation grooves 1131 at intervals. In actual use, the heat insulation groove 1131 is arranged at the welding plate end 113, so that high temperature can be prevented from directly acting on the surface of the plug connector insulating housing 21, the plug connector insulating housing 21 is prevented from being scalded, the air flow can be increased, and the welding quality is optimized.

As shown in fig. 1, 2, 3, 7, 8 and 9, guide posts 2131 are provided on both sides of the insertion portion 213 of the plug connector 2, and correspondingly, guide grooves 1111 are provided in the insertion cavity 111 to be engaged with the guide posts 2131. In actual use, the guide posts 2131 and the guide slots 1111 are used to provide both insertion and guiding protection.

The foregoing has described in detail the technical solutions provided by the embodiments of the present utility model, and specific examples have been applied to illustrate the principles and implementations of the embodiments of the present utility model, where the above description of the embodiments is only suitable for helping to understand the principles of the embodiments of the present utility model; meanwhile, as for those skilled in the art, according to the embodiments of the present utility model, there are variations in the specific embodiments and the application scope, and the present description should not be construed as limiting the present utility model.

Claims (7)

1. A wire-to-board connector, comprising a socket connector (1) and a plug connector (2) plugged with one end of the socket connector (1), wherein the plug connector (2) comprises a plug connector insulating shell (21) provided with a plurality of signal jacks (23) and a plurality of power supply jacks (22); the power jack assembly (24) and the signal assembly (25) are arranged in the power jack (22) and the signal jack (23) in a detachable connection structure, and the utility model is characterized in that,

the power jack assembly (24) comprises a contact section (241) matched with the power supply pin (12) of the socket connector (1), a crimping section (243) for crimping the cable wire (3) and a limit groove section (242) arranged between the contact section (241) and the crimping section (243) and used for matching with the bolt (26); the end part of the contact section (241) facing the direction of the limit groove section (242) is provided with a fixed table (2411);

a plug hole (211) for installing a plug (26) is formed in the installation position of the power jack (22) corresponding to the limit groove section (242) of the power jack assembly (24) on one side of the plug connector insulating shell (21);

after the bolt (26) is inserted into the bolt hole (211), the limit section (261) of the bolt (26) is matched with the limit groove section (242) and the fixed table (2411) of the contact section (241).

2. The wire-to-board connector according to claim 1, wherein the latch (26) further comprises a resilient arm (262) provided at one end of the spacing section (261) and a snap-in point (263) provided on the resilient arm (262), the snap-in point (263) being mated with a snap-in point groove (212) of the plug connector insulating housing (21).

3. The wire-to-board connector according to claim 1, wherein the contact section (241) is generally U-shaped with a U-shaped bottom provided with first resilient barbs (2414) engaging the side walls of the power receptacle (22).

4. Wire-to-board connector according to claim 1, characterized in that the receptacle connector insulating housing (11) of the receptacle connector (1) is provided with a socket cavity (111) mating with the socket portion (213) of the plug connector (2), the socket cavity (111) being provided with a plurality of ribs (112) at inner wall intervals in the length direction.

5. The wire-to-board connector according to claim 4, wherein guide posts (2131) are provided on both sides of the plugging portion (213), and correspondingly, the plugging cavity (111) is provided with guide grooves (1111) which are matched with the guide posts (2131).

6. The wire-to-board connector according to claim 1 or 4, wherein the solder board ends (113) of the receptacle connector insulating housing (11) of the receptacle connector (1) are provided with a plurality of heat insulation grooves (1131) at intervals.

7. The wire-to-board connector according to claim 1, wherein the fixing stage (2411) includes a connecting section (2412) connected with an end of the contact section (241) and a fitting section (2413) fitted with the limit section (261).

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