CN216720411U

CN216720411U - Wire harness connector and male terminal

Info

Publication number: CN216720411U
Application number: CN202123112170.3U
Authority: CN
Inventors: 王汉成
Original assignee: Dongguan Qianlin Electronic Technology Co ltd
Current assignee: Dongguan Qianlin Electronic Technology Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-10
Anticipated expiration: 2031-12-10

Abstract

The utility model provides a wiring harness connector and a male terminal, wherein the wiring harness connector comprises a male terminal and a female terminal connector, the male terminal is electrically connected with the female terminal connector, the female terminal connector comprises a connector head part and a connector tail part which are sequentially connected, the connector tail part comprises a bottom cover and an upper cover, and the bottom cover and the upper cover are detachably connected; wherein, the head part of the connector and the bottom cover are integrally arranged; the male terminal comprises a contact terminal and a line pressing terminal which are connected in sequence, and the contact terminal and the line pressing terminal are formed into a whole in a punching mode. According to the utility model, the female end connector is in a half-open state before the male end terminal is connected with the female end connector, so that when the riveted male end terminal is connected with the female end connector, the male end terminal is assisted to be inserted into the connector head of the female end connector from the upper part of the connector tail part, and the connection efficiency of the wiring harness connector is improved; meanwhile, the male terminal is formed into a whole by punching, so that the production process is simplified, and the production and manufacturing costs are reduced.

Description

Wire harness connector and male terminal

Technical Field

The utility model relates to the technical field of connectors, in particular to a wiring harness connector and a male terminal.

Background

Many electronic devices are electrically connected to each other by inserting a rubber casing with conductive contact pins into the device, so as to achieve the function of power-on or signal transmission. The connector generally includes a rubber base, a terminal and a rear housing, wherein a terminal hole is formed in the rubber base, the contact terminal is riveted and fixed with the wire, and then inserted into the terminal hole through the rear housing, and the terminal is assembled in the rubber base by assembling and fixing the rear housing and the rubber base.

In the prior art, when the wire harness connector is used, the male terminal is required to be installed on the inner core of the female terminal connector, and the tail of the female terminal connector is provided with a longer channel, so that the connection difficulty is high due to the fact that the internal condition of the connector cannot be directly watched. Meanwhile, the contact terminal and the wire pressing terminal in the male terminal are designed in a separated mode and need to be manufactured through a laser welding process. The wire harness connector manufactured by the process is complex in process and high in production cost.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages, an object of the present invention is to provide a wire harness connector and a male terminal, which can improve the efficiency of mounting the male terminal to the female terminal connector, simplify the production process, and save the production cost.

The embodiment of the utility model provides a wiring harness connector, which comprises a male terminal and a female terminal connector, wherein the male terminal is electrically connected with the female terminal connector; wherein the connector head is integrally provided with the bottom cover.

Further, connector head includes the shell body and sets up in female end inner core in the shell body, be equipped with a plurality of line holes on the female end inner core, every the line hole along the installation direction of female end inner core run through in female end inner core.

Furthermore, a first guide groove for guiding a wire is arranged in the connector tail part, and the first guide groove is arranged along the installation direction of the connector tail part; the female-end inner core extends from the connector head to the initial end of the bottom cover, and the wire hole is communicated with the first guide groove.

Furthermore, a second guide groove is formed in the upper cover, and the first guide groove corresponds to the second guide groove in position.

The utility model also provides a male terminal, which is used for being electrically connected with the female terminal connector in the wire harness connector, wherein the male terminal comprises a contact terminal and a wire pressing terminal which are sequentially connected; the contact terminal and the wire pressing terminal are formed into a whole in a punching mode.

Further, the thickness of the contact terminal is greater than that of the line pressing terminal, and the thickness of the connection portion of the contact terminal and the line pressing terminal is gradually reduced from the contact terminal toward the line pressing terminal.

Furthermore, the thickness of the contact terminal is 0.62mm-0.64mm, and the thickness of the wire pressing terminal is 0.19mm-0.21 mm.

Furthermore, the wire pressing terminal comprises a limiting section, a conductive section and an insulating section, wherein the conductive section and the insulating section are used for fixing a wire, and one end of the limiting section is connected with the contact terminal.

Furthermore, the limiting section comprises a limiting plate, a first guide plate, a second guide plate and a spring tongue, and the first guide plate and the second guide plate are connected to the limiting plate oppositely; the two sides of the elastic tongue are respectively connected with the first guide plate and the second guide plate, and the elastic tongue and the limiting plate are arranged oppositely.

Furthermore, the conductive segment comprises a first wire holding plate, a first wire holding arm and a second wire holding arm, and the first wire holding arm and the second wire holding arm are oppositely arranged on the first wire holding plate; a plurality of grooves for increasing friction force are formed in the inner sides of the first wire holding plate, the first wire holding arm and the second wire holding arm;

the insulating section includes that insulation board, first insulation embrace line arm and second insulation embrace line arm, first insulation embrace line arm with the second insulation embrace line arm set up relatively in on the insulation board.

The utility model provides a wire harness connector and public end terminal, its beneficial effect lies in: (1) before the male terminal is connected with the female terminal connector, the female terminal connector is in a half-open state, so that when the riveted male terminal is connected with the female terminal connector, the male terminal is assisted to be inserted into the connector head of the female terminal connector from the upper part of the connector tail part, meanwhile, the insertion condition of the male terminal can be observed at any time when the male terminal is inserted, and the connection efficiency of the wiring harness connector is improved;

(2) in the production and manufacturing process, the existing laser welding process can be replaced by processing in a stamping mode, the contact terminal and the wire pressing terminal are integrally formed through the stamping process, the production process is simplified, and therefore the production and manufacturing cost is reduced.

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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an exploded view of a female end connector according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the female connector with the male terminal fully inserted into the half-open position according to the embodiment of the present invention.

FIG. 3 is a schematic diagram of an overmolded harness connector in an embodiment of the utility model

FIG. 4 is a schematic structural diagram of a male terminal according to an embodiment of the utility model

Fig. 5 is a schematic view of the male terminal of fig. 4 in a state after being wound.

In the figure, 10-male terminal, 11-contact terminal, 111-chamfer, 12-line pressing terminal, 121-limiting section, 121 a-limiting plate, 121 b-first guide plate, 121 c-second guide plate, 121 d-elastic tongue, 122-conductive section, 122 a-first line holding plate, 122 b-first line holding arm, 122 c-second line holding arm, 123-insulating section, 123 a-insulating plate, 123 b-first insulating line holding arm, 123 c-second insulating line holding arm, 13-groove, 20-female terminal connector, 201-connector head, 202-connector tail, 202 a-bottom cover, 202 b-upper cover, 21-outer shell, 211-first guide groove, 212-second guide groove, 22-female end inner core, 221-line hole, 222-limit groove, 23-cover body.

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.

It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1 to 3, an embodiment of the present invention provides a wire harness connector, including a male terminal 10 and a female terminal connector 20, wherein the male terminal 10 is inserted into the female terminal connector 20 and electrically connected to the female terminal connector 20, the female terminal connector 20 includes a connector head 201 and a connector tail 202 connected in sequence, the connector tail 202 includes a bottom cover 202a and an upper cover 202b, the bottom cover 202a and the upper cover 202b are detachably connected, the bottom cover 202a is disposed at the bottom of the connector tail 202, and the upper cover 202b is disposed at the upper portion of the connector tail 202. Connector head 201 and the integrative setting of bottom 202a for under the initial condition, female end connector 20 is the state of half-opening, and when the public end terminal of the riveting line of being convenient for was connected with female end connector 20, the male end terminal 10 was assisted from the upper portion of connector afterbody 202 and is inserted the connector head 201 to female end connector 20, can observe the condition of inserting of public end terminal 10 at any time when public end terminal 10 inserts simultaneously, improves the connection efficiency of pencil connector. Preferably, the connector head 201 is injection molded integrally with the bottom cover 202 a. After the male terminal 10 is completely inserted into the female connector 20, the upper cover 202b is covered, and the wire harness connector is covered with plastic to form a whole, so that the wire harness connector achieves a waterproof effect. Preferably, polybutylene terephthalate (PBT) is used as the plastic. The PBT has the advantages of high heat resistance, toughness, fatigue resistance and low water absorption, can still maintain various physical properties (including electrical properties) in a humid environment, has good electrical insulation and ensures the stability of the wire harness connector.

Specifically, the connector head 201 includes an outer shell 21 and a female end inner core 22 disposed in the outer shell 21, the female end inner core 22 is provided with a plurality of wire holes 221 for inserting the male end terminal 10, each wire hole 221 penetrates through the female end inner core 22 along the installation direction of the female end inner core 22, and when the male end terminal 10 is inserted into the female end inner core 22 through the wire hole 221, the male end terminal 10 is electrically connected with the female end connector 20.

Specifically, the connector tail 202 is provided inside with a first guide groove 211 for a wire, the first guide groove 211 is arranged along the installation direction of the connector tail 202, and when the male terminal 10 needs to be installed on the female connector 20, the first guide groove 211 guides the wire into the wire hole 221 of the female inner core 22, so as to assist the installation of the male terminal 10. Meanwhile, when the male terminal 10 is completely mounted to the female terminal connector 20, the first guide groove 211 can accommodate a portion of the male terminal that is not inserted into the female core 22 and a wire of the accommodating portion, ensuring stability of the wire harness connector during use.

The female-end core 22 extends from the connector head 201 to the initial end of the bottom cover 202a such that the wire hole 221 communicates with the first guide groove 211, i.e., the wire hole 221 is inserted and connected with the female-end core 22 after the male terminal 10 passes through the first guide groove 211.

Specifically, the upper cover 202b is provided with a second guide groove 212, and the first guide groove 211 corresponds to the second guide groove 212. Preferably, the first guide groove 211 and the second guide groove 212 are both arc-shaped.

Referring to fig. 3, the present invention further provides a male terminal 10 for electrically connecting with the female terminal connector 20 of the harness connector. The male terminal 10 includes a contact terminal 11 and a line pressing terminal 12 connected in sequence, and the contact terminal 11 is inserted into the female terminal connector 20 and connected with the female terminal connector 20. The wire pressing terminal 12 is used for holding and connecting wires, so that the male terminal 10 is electrically connected with the female terminal connector 20 when the male terminal 10 is connected with the female terminal connector 20. The thickness of contact terminal 11 is greater than the thickness of line ball terminal 12, and the thickness of the junction of contact terminal 11 and line ball terminal 12 reduces from contact terminal 11 towards line ball terminal 12 gradually for the handing-over department structure of contact terminal 11 towards line ball terminal 12 transition is more stable, and difficult the bending damage. Wherein, contact terminal 11 and line ball terminal 12 stamping forming are as an organic whole, and at the in-process of actual production, use supporting stamping die can realize punching press out public end terminal 10, the punching press accomplish with public end terminal electroplate can, compare with the terminal that current needs adopted laser welding, production simple process and high efficiency.

Specifically, the thickness of the contact terminal 11 is 0.62mm to 0.64mm, and the thickness of the line ball terminal 12 is 0.19mm to 0.21 mm. The thickness of the contact terminal 11 may be 0.62mm, 0.63mm and 0.64mm, and the thickness of the line ball terminal 12 may be 0.19mm, 0.20mm and 0.21 mm. Preferably, the contact terminal 11 is rectangular in cross section.

Specifically, the wire pressing terminal 12 includes a position limiting section 121, a conductive section 122 for fixing a wire, and an insulating section 123, and one end of the position limiting section 121 is connected to the contact terminal 11. When the male terminal 10 extends into the female terminal connector 20, the limiting section 121 is clamped in the female terminal connector 20 through the limiting section 121, so that the fixing effect of the male terminal 10 is achieved, and the male terminal 10 is prevented from falling off in the using process. The conductive segment 122 is used for fixing the conductive inner core of the wire, and the insulating segment 123 is used for fixing the outer rubber skin of the wire.

Specifically, the limiting section 121 includes a limiting plate 121a, a first guiding plate 121b, a second guiding plate 121c and a spring tongue 121d, and the first guiding plate 121b and the second guiding plate 121c are oppositely connected to the limiting plate 121 a; the two sides of the spring tongue 121d are respectively connected to the first guide plate 121b and the second guide plate 121c, and the spring tongue 121d is disposed opposite to the position limiting plate 121 a. That is, the position-limiting plate 121a, the first guide plate 121b, the second guide plate 121c and the latch 121d are sequentially connected end to form a cubic cube. The elastic tongue 121d extends outward to assist in fixing the male terminal 10 on the female connector 20, so that when the male terminal 10 is inserted into the female connector 20, the male terminal 10 is prevented from falling out, thereby further improving the reliability of the product.

In this embodiment, the female end core 22 of the female end connector 20 is further provided with a limiting groove 222 (as shown in fig. 2), after the male end terminal 10 is completely inserted into the female end connector 20, the limiting groove 222 is located on the upper portion of the elastic tongue 121d, and the elastic tongue 121d on the male end terminal 10 extends into the limiting groove 222, when the male end terminal 10 is pulled, the elastic tongue 121d is blocked by the side wall of the limiting groove 222, so as to play a role of fixing the male end terminal 10, so that the male end terminal 10 is more accurately mounted, and the female end connector 20 and the male end terminal 10 are stably and reliably connected.

Specifically, the conductive segment 122 includes a first wire holding plate 122a, a first wire holding arm 122b and a second wire holding arm 122c, and the first wire holding arm 122b and the second wire holding arm 122c are oppositely disposed on the first wire holding plate 122 a; a plurality of grooves 13 for increasing friction force are arranged on the inner sides of the first wire holding plate 122a, the first wire holding arm 122b and the second wire holding arm 122 c. When riveting a lead, the lead is placed on the first wire holding plate 122a, and the first wire holding arm 122b and the second wire holding arm 122c are respectively curled inwards (as shown in fig. 5). In the present embodiment, each groove 13 extends from the inner side of the first thread-embracing arm 122b to the first thread-embracing plate 122a and the second thread-embracing arm 122c, and each groove 13 is arranged at an interval from each other. When the first wire embracing arm 122b and the second wire embracing arm 122c are processed to embrace the wire, each groove 13 can increase the drawing force of the wire, and the reliability of the product is further improved.

Specifically, the insulating segment 123 includes an insulating plate 123a, a first insulating looping arm 123b and a second insulating looping arm 123c, and the first insulating looping arm 123b and the second insulating looping arm 123c are oppositely disposed on the insulating plate 123 a. In the processing process, the wire is placed on the insulating plate 123a, and the first insulating wire holding arm 123b and the second insulating wire holding arm 123c are bent respectively, so that the insulating section 123 fixes the outer rubber of the wire, and the wire is convenient and fast to use.

The end of the contact terminal 11 is provided with a chamfer 111, and the chamfer 111 extends from the end face of the end to four side faces. When the male terminal 10 is inserted into the female connector 20 through the contact terminal 11, the chamfer 111 can play a good guiding role, so that the insertion force is moderate when the male terminal 10 is inserted into the female connector 20, and the problem of PIN collapse or PIN withdrawal is avoided.

As can be understood, the embodiment of the present invention provides a wire harness connector and a male terminal 10, the wire harness connector includes a male terminal 10 and a female terminal 20, the male terminal 10 is electrically connected to the female terminal 20, and the connector head 201 and the bottom cover 202a of the female terminal 20 are integrally disposed, so that the female terminal 20 is in a half-open state in an initial state, when the wired male terminal is connected to the female terminal 20, the male terminal 10 is inserted into the connector head 201 of the female terminal 20 from the upper portion of the connector tail 202, and the insertion condition of the male terminal 10 can be observed at any time when the male terminal 10 is inserted, thereby improving the connection efficiency of the wire harness connector. After the male terminal 20 is connected to the female terminal connector 20, the upper cover 202b is closed. The male terminal 20 is formed into a whole by punching, the production process is simple, the production efficiency can be effectively improved, and the production cost is saved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims

1. A wiring harness connector comprises a male terminal (10) and a female terminal connector (20), wherein the male terminal (10) is electrically connected with the female terminal connector (20), the female terminal connector (20) comprises a connector head part (201) and a connector tail part (202) which are sequentially connected, the connector tail part (202) comprises a bottom cover (202a) and an upper cover (202b), and the bottom cover (202a) and the upper cover (202b) are detachably connected; wherein the connector head (201) is provided integrally with the bottom cover (202 a).

2. The wire harness connector according to claim 1, wherein the connector head portion (201) comprises an outer housing (21) and a female end inner core (22) disposed inside the outer housing (21), wherein a plurality of wire holes (221) are provided on the female end inner core (22), and each wire hole (221) penetrates through the female end inner core (22) along an installation direction of the female end inner core (22).

3. The wire harness connector according to claim 2, wherein the connector tail portion (202) is provided inside with a guide groove first guide groove (211) for a wire, the first guide groove (211) being provided in a mounting direction of the connector tail portion (202); the female-end inner core (22) extends from the connector head (201) to an initial end of the bottom cover (202a), and the wire hole (221) communicates with the first guide groove (211).

4. The wire harness connector according to claim 3, wherein a second guide groove (212) is provided on the upper cover (202b), and the first guide groove (211) corresponds in position to the second guide groove (212).

5. A male terminal (10) for electrical connection with a female terminal connector (20) in a wire harness connector according to any one of claims 1-4, characterized in that: the male terminal (10) comprises a contact terminal (11) and a line pressing terminal (12) which are connected in sequence; the contact terminal (11) and the line pressing terminal (12) are formed into a whole in a stamping mode.

6. The male terminal according to claim 5, characterized in that the thickness of the contact terminal (11) is greater than the thickness of the line ball terminal (12), and the thickness of the connection of the contact terminal (11) with the line ball terminal (12) decreases gradually from the contact terminal (11) towards the line ball terminal (12).

7. The male terminal according to claim 5, wherein the thickness of the contact terminal (11) is 0.62mm to 0.64mm, and the thickness of the line ball terminal (12) is 0.19mm to 0.21 mm.

8. The male terminal according to claim 5, wherein the wire crimping terminal (12) comprises a position-limiting section (121), a conductive section (122) for fixing a wire, and an insulating section (123), and one end of the position-limiting section (121) is connected to the contact terminal (11).

9. The male terminal of claim 8, wherein the position-limiting segment (121) comprises a position-limiting plate (121a), a first guide plate (121b), a second guide plate (121c) and a spring tongue (121d), and the first guide plate (121b) and the second guide plate (121c) are oppositely connected to the position-limiting plate (121 a); the two sides of the spring tongue (121d) are respectively connected with the first guide plate (121b) and the second guide plate (121c), and the spring tongue (121d) and the limiting plate (121a) are oppositely arranged.

10. The male terminal of claim 8, wherein the conductive segment (122) comprises a first wire holding plate (122a), a first wire holding arm (122b) and a second wire holding arm (122c), and the first wire holding arm (122b) and the second wire holding arm (122c) are oppositely arranged on the first wire holding plate (122 a); a plurality of grooves (13) for increasing friction force are formed in the inner sides of the first thread holding plate (122a), the first thread holding arm (122b) and the second thread holding arm (122 c);

insulating section (123) include insulating board (123a), first insulating armful line arm (123b) and the insulating armful line arm of second (123c), first insulating armful line arm (123b) with the insulating armful line arm of second (123c) set up relatively in on insulating board (123 a).