CN217115048U

CN217115048U - Fool-proof female connector and connector structure

Info

Publication number: CN217115048U
Application number: CN202221082260.4U
Authority: CN
Inventors: 张娟
Original assignee: Guangdong Tecehng Metal & Electronics Co ltd
Current assignee: Guangdong Tecehng Metal & Electronics Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-08-02
Anticipated expiration: 2032-05-07

Abstract

Prevent slow-witted type female connector and connector structure, include: the insulating seat is provided with an open plugging cavity; wherein, one side surface of the insulating base is convexly provided with a first fool-proof edge, the other side surface is convexly provided with a second fool-proof edge, and the length of the first fool-proof edge is longer than that of the second fool-proof edge; the terminal is arranged on the insulating seat and is provided with a contact end and a plug-in end; the contact end is positioned in the inserting cavity; the inserting end extends out of the bottom surface of the insulating seat; the number of the terminals is multiple, and the terminals are arranged at intervals; and the nut piece is arranged on the insulating seat. The length of the first fool-proof edge is designed to be different from that of the second fool-proof edge, so that the fool-proof effect is achieved, and reverse insertion is avoided; and the fool-proof structure is relatively simple and practical. And the insertion part of the nut piece extends out of the bottom surface of the insulating seat and is inserted into the PCB, so that the stress point of the nut piece is transferred onto the PCB from the insulating seat, the insulating seat is effectively prevented from cracking, and the service life of a product is prolonged.

Description

Fool-proof female connector and connector structure

Technical Field

The utility model belongs to the technical field of the connector, especially, relate to a prevent slow-witted type female connector and connector structure.

Background

At present, power connectors are widely used for transmitting current or signals, and the prior art provides power connectors, in which a male housing is usually fixedly provided with a current terminal, and the male housing is used in cooperation with a female housing fixedly provided with another current terminal.

Moreover, the existing power connector is of a plug-in type, and the structural design of the plug-in type power connector has the following defects:

1. the fool-proof structure on the male and female connectors is complex;

2. the stress point of the nut piece on the female connector is positioned on the insulating seat, so that the insulating seat is easily stressed and cracked.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a fool-proof female connector and a connector structure, aiming at simplifying the fool-proof structure on the male and female connector.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: provided is a fool-proof female connector including:

the insulating seat is provided with an open plugging cavity; the insulation seat comprises an insulation seat, a first fool-proof edge, a second fool-proof edge and a second protective cover, wherein one side face of the insulation seat is convexly provided with the first fool-proof edge, the other side face of the insulation seat is convexly provided with the second fool-proof edge, and the length of the first fool-proof edge is longer than that of the second fool-proof edge;

the terminal is arranged on the insulating seat and is provided with a contact end and a plug-in end; the contact end is positioned in the inserting cavity; the inserting end extends out of the bottom surface of the insulating seat; the number of the terminals is multiple, and the terminals are arranged at intervals; and the number of the first and second groups,

and the nut piece is arranged on the insulating seat.

In one embodiment, the nut member comprises a main body part and an insertion part which are integrally connected, the main body part and the insulating seat are injection-molded, and the main body part is provided with a threaded hole; the insertion part extends out of the bottom surface of the insulating seat and is inserted on the PCB.

In one embodiment, the outer wall of the main body part is provided with a first thread section and a second thread section at intervals along the length direction of the nut member, and the first thread section and the second thread section are connected with the insulating base in an injection molding mode.

In one embodiment, the bottom surface of the first fool-proof edge is provided with a first guiding and inserting inclined surface.

In one embodiment, the bottom surface of the second fool-proof edge is provided with a second guiding and inserting inclined surface.

In one embodiment, the first fool-proof edge is concavely provided with a first fool-proof groove, the second fool-proof edge is concavely provided with a second fool-proof groove, and the number of the first fool-proof groove is different from that of the second fool-proof groove.

In one embodiment, the number of the first fool-proof slots is one, and correspondingly, the number of the second fool-proof slots is two; or, the number of the first fool-proof grooves is two, and correspondingly, the number of the second fool-proof grooves is one.

In one embodiment, a scale hiding groove is concavely arranged on the bottom surface of the insulating seat and is positioned on the outer side of the insertion end.

A connector structure, comprising: the male connector and the fool-proof female connector; the male connector and the female connector are connected in a plugging mode.

The beneficial effect of this application lies in: the length of the first fool-proof edge is designed to be different from that of the second fool-proof edge, so that the fool-proof effect is achieved, and reverse insertion is avoided; and the fool-proof structure is relatively simple and practical. And the insertion part of the nut piece extends out of the bottom surface of the insulating seat and is inserted into the PCB, so that the stress point of the nut piece is transferred onto the PCB from the insulating seat, the insulating seat is effectively prevented from cracking, and the service life of a product is prolonged.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a perspective view of a connector structure provided in an embodiment of the present application;

fig. 2 is an exploded view of a connector structure provided in an embodiment of the present application;

fig. 3 is a first angled perspective view of a female connector provided by an embodiment of the present application;

fig. 4 is a second angular perspective view of a female connector provided in an embodiment of the present application;

fig. 5 is an exploded view of a female connector provided in an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

10. insulating base 11, first fool-proof edge

12. Second fool-proof edge 101 and plug-in cavity

102. The first fool-proof groove 103 and the second fool-proof groove

104. Hide dirty groove 111, first lead and insert inclined plane

121. Second lead insertion inclined plane 20 and terminal

21. Contact terminal 22, plug terminal

30. Nut member 31 and body

32. Plug part 311 and first thread section

312. Second thread segment 301, threaded hole

1. Female connector 2, male connector.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" 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 one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 3 to 5, an embodiment of the present application provides a fool-proof female connector, including:

insulating seat 10 has open-ended grafting chamber 101, and optionally, grafting chamber 101 is the rectangle form, and insulating seat 10 adopts high temperature resistant fire-retardant nylon material, and it can not melt the fire under strong current high temperature, runs into the difficult burning of naked light, and the automatic extinguishment after leaving the burning things which may cause a fire disaster. Wherein, the protruding first fool-proof limit 11 that is equipped with of one side of insulator seat 10, the protruding second fool-proof limit 12 that is equipped with of another side, the length of first fool-proof limit 11 is good at the length of second fool-proof limit 12, certainly, also can first fool-proof limit 11 the length be less than the length of second fool-proof limit 12, as long as first fool-proof limit 11 and second fool-proof limit 12 length difference can to play the fool-proof effect, avoid reverse plug. And the fool-proof structure is relatively simple and practical. Correspondingly, the male connector has fool-proof grooves with different lengths corresponding to the first fool-proof edge 11 and the second fool-proof edge 12.

And the terminal 20 is arranged on the insulating seat 10, and the terminal 20 is provided with a contact end 21 and a plug end 22. The contact end 21 is positioned in the plugging cavity 101; the plug end 22 extends out of the bottom surface of the insulating base 10 and is plugged with the PCB. The terminals 20 are plural, and the plural terminals 20 are arranged at intervals.

Alternatively, the number of the terminals 20 is 16pin or 24pin, although the number of the terminals 20 is not limited. The terminal 20 is finished by national standard copper, and the surface is plated with gold to have better conductivity.

The nut member 30 is arranged on the insulating base 10; the nut member 30 is screwed with a screw on the male connector 2, thereby fastening the female connector 1 and the male connector 2 together. Alternatively, the nut member 30 is made of copper material. Two nut members 30 are provided at both ends of the insulating base 10, respectively.

The nut member 30 comprises a main body portion 31 and a plug portion 32 which are integrally connected, the main body portion 31 and the insulating base 10 are injection molded, the main body portion 31 is provided with a threaded hole 301, and a screw on the male connector is in threaded connection with the threaded hole 301. The bottom surface of the insulating seat 10 is stretched out to grafting portion 32, and insert on the PCB board, the setting of grafting portion 32 makes the stress point of nut piece 30 shift to the PCB board from insulating seat 10 on to effectively avoid insulating seat 10 fracture, improved the life of product.

First thread sections 311 and second thread sections 312 are arranged on the outer wall of the main body part 31 at intervals along the length direction of the nut member 30, and the first thread sections 311 and the second thread sections 312 are connected with the insulating base 10 in an injection molding mode. The first threaded section 311 and the second threaded section 312 engage with the insulating base 10, so that the nut member 30 is more firmly connected with the insulating base 10.

The bottom surface of the first fool-proof edge 11 is provided with a first guiding and inserting inclined surface 111. The bottom surface of the second fool-proof edge 12 is provided with a second guiding and inserting inclined surface 121. The first guiding insertion inclined plane 111 and the second guiding insertion inclined plane 121 are arranged to enable the lower end of the insulating base 10 to sink onto the PCB more smoothly.

Optionally, the first insertion guiding inclined surface 111 and the second insertion guiding inclined surface 121 are both 45 °.

The first fool-proof edge 11 is concavely provided with a first fool-proof groove 102, the second fool-proof edge 12 is concavely provided with a second fool-proof groove 103, and the number of the first fool-proof groove 102 is different from that of the second fool-proof groove 103. Fool-proof ribs are provided on the male connector 2 corresponding to the first fool-proof groove 102 and the second fool-proof groove 103. The fool-proof groove plays a fool-proof role and also plays a role of guiding and inserting.

In this embodiment, there are one first fool-proof slot 102 and correspondingly two second fool-proof slots 103; alternatively, there are two first fool-proof slots 102 and correspondingly one second fool-proof slot 103. The number of the first fool-proof slots 102 and the second fool-proof slots 103 is not limited.

The bottom surface of the insulating base 10 is concavely provided with a scale-hiding groove 104, and the scale-hiding groove 104 is positioned at the outer side of the inserting end 22. When the female connector 1 is plugged with a PCB, even if dirt remains on the bottom surface of the insulating base 10, the dirt can enter the dirt hiding groove 104 under the action of the extrusion force, so that the bottom surface of the insulating base 10 is prevented from being unstable in surface contact with the PCB, and the bottom surface of the insulating base 10 is ensured to be stably connected with the PCB.

As shown in fig. 1 and fig. 2, the present invention further provides a connector structure, which includes a male connector 2 and a fool-proof female connector 1; the male connector 2 and the female connector 1 are connected by plugging. The specific structure of the connector structure refers to the above embodiments, and since all technical solutions of all the above embodiments are adopted, all beneficial effects brought by the technical solutions of the above embodiments are also achieved, and are not described in detail herein.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. Prevent slow-witted type female connector, its characterized in that includes:

the insulating seat is provided with an open inserting cavity; the insulation seat comprises an insulation seat, a first fool-proof edge, a second fool-proof edge and a second protective cover, wherein one side face of the insulation seat is convexly provided with the first fool-proof edge, the other side face of the insulation seat is convexly provided with the second fool-proof edge, and the length of the first fool-proof edge is longer than that of the second fool-proof edge;

and the nut piece is arranged on the insulating seat.

2. The foolproof female connector of claim 1, wherein: the nut piece comprises a main body part and an inserting part which are integrally formed and connected, the main body part and the insulating seat are formed in an injection molding mode, and the main body part is provided with a threaded hole; the insertion part extends out of the bottom surface of the insulating seat and is inserted on the PCB.

3. The foolproof female connector of claim 2, wherein: first thread sections and second thread sections are arranged on the outer wall of the main body part at intervals along the length direction of the nut piece, and the first thread sections and the second thread sections are connected with the insulating base in an injection molding mode.

4. The foolproof female connector of claim 1, wherein: the bottom surface on first mistake proofing limit is equipped with first leading and inserts the inclined plane.

5. The foolproof female connector of claim 4, wherein: and a second guide insertion inclined plane is arranged on the bottom surface of the second fool-proof edge.

6. The foolproof female connector of claim 1, wherein: the first fool-proof edge is concavely provided with a first fool-proof groove, the second fool-proof edge is concavely provided with a second fool-proof groove, and the first fool-proof groove and the second fool-proof groove are different in quantity.

7. The foolproof female connector of claim 6, wherein: the number of the first fool-proof grooves is one, and correspondingly, the number of the second fool-proof grooves is two; or, the number of the first fool-proof grooves is two, and correspondingly, the number of the second fool-proof grooves is one.

8. The foolproof female connector of claim 1, wherein: the bottom surface of the insulating seat is concavely provided with a scale hiding groove, and the scale hiding groove is positioned on the outer side of the insertion end.

9. A connector structure, comprising: a male connector and a fool-proof female connector as claimed in any one of claims 1-8; the male connector and the female connector are connected in a plugging mode.