CN115473069A

CN115473069A - A kind of interface unit

Info

Publication number: CN115473069A
Application number: CN202110649022.0A
Authority: CN
Inventors: 李文琦
Original assignee: ZTE Corp
Current assignee: Zte Intelligent Technology Nanjing Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-12-13
Also published as: WO2022257555A1

Abstract

The application discloses a connector, which comprises a shell and a contact element, wherein a jack groove is formed in the shell, the contact element is inserted into the jack groove of the shell, an anti-deviation part is arranged at the end part of the jack groove, the contact element comprises a first contact piece and a second contact piece, contact parts are arranged at the front ends of the first contact piece and the second contact piece, and the contact parts of the first contact piece and the second contact piece are tilted outwards in opposite directions; when the contact is inserted into the jack slot, the contact portion of the first contact piece and the contact portion of the second contact piece respectively contact the corresponding deviation preventing portions. The connector is simple in structure, and deflection and falling off of the contact piece in the using process can be avoided, so that the mounting difficulty of the connector is reduced, and more reliability in plugging is improved.

Description

A kind of interface unit

Technical Field

The present application relates to a connection technology, and more particularly, to a connector.

Background

The connector is a key device in electrical appliances and transmission communication equipment, and is also an important component for realizing transmission of electric energy and electric signals. The connector includes a contact and a housing, in which a jack groove is provided. In use, the contact is inserted into the jack slot of the housing. To improve the reliability of the connector, the contacts cannot deflect within the receptacle slots. Further, due to restrictions on the use scenarios of communication base stations and the like, the demands on the mounting accuracy and the external dimensions of the connectors are increasing.

Disclosure of Invention

The main purpose of the embodiments of the present application is to provide a connector, which aims to simplify the structure and the installation difficulty of the connector.

The embodiment of the application provides a connector, which comprises a shell and a contact element, wherein a jack slot is formed in the shell, the contact element is inserted into the jack slot of the shell, an anti-deviation part is arranged at the end part of the jack slot, the contact element comprises a first contact piece and a second contact piece, the front ends of the first contact piece and the second contact piece are respectively provided with a contact part, and in addition, the contact parts of the first contact piece and the second contact piece tilt outwards in opposite directions;

and under the state that the contact piece is inserted into the jack slot, the contact part of the first contact piece and the contact part of the second contact piece are respectively clamped with the deviation preventing parts correspondingly.

The anti-deviation part comprises a stop convex rib, the surface of the stop convex rib opposite to the inner wall of the jack groove is an inclined surface, and the included angle between the inclined surface and the inner wall of the jack groove is an acute angle;

the contact part of the first contact piece and the contact part of the second contact piece are clamped with the inclined plane of the stop convex rib.

Wherein, prevent partial portion including ending a recess, the contact site of first contact piece with the contact site joint of second contact piece ends a recess.

The plug hole groove is internally provided with a connecting groove, the contact element is provided with a connecting part, and the connecting part is abutted against the connecting groove in the state that the contact element is plugged in the plug hole groove.

The plug hole groove and the contact piece are provided with front limiting mechanisms which are used for positioning the connecting part and the connecting groove.

The front limiting mechanism comprises a front limiting step and a front limiting clamping groove, the front limiting step is arranged on the contact element, and the front limiting clamping groove is arranged in the jack groove.

The front limiting mechanism comprises a front limiting part and a front limiting groove, the front limiting groove is arranged in the connecting groove and in the relative position of the contact piece, and the front limiting part is embedded in the front limiting groove.

The connector further comprises a rear limiting mechanism used for positioning the contact piece and the shell.

The rear limiting mechanism comprises a fixing piece, a rear limiting step arranged on the contact piece and a fixing hole arranged on the shell, and the fixing hole is matched with the fixing piece in size;

and the fixing piece is abutted against the rear limiting step in the state that the fixing piece is inserted into the fixing hole.

The rear limiting mechanism comprises a screw, and the screw is used for fixedly connecting the contact piece and the shell.

Wherein the first contact pad and the second contact pad further comprise a patch portion, the patch portion being connected with the contact portion;

the plug comprises a plug body, a contact piece, a plug portion and a plug portion, wherein the plug portion is arranged in the plug groove, and the plug portion is connected with the plug portion.

One end of the contact piece opposite to the contact part is provided with a wire pressing part for pressing and connecting a functional wire, and a wire pressing groove is arranged in the jack groove;

and the wire pressing part is embedded in the wire pressing groove in the state that the contact piece is inserted into the jack groove.

According to the connector provided by the embodiment of the application, the end part of the jack slot is provided with the deviation preventing part, the contact piece comprises the first contact piece and the second contact piece, the front ends of the first contact piece and the second contact piece are both provided with the contact parts, and the contact parts of the first contact piece and the second contact piece are tilted outwards in opposite directions; under the state of contact pegging graft in the jack groove, the contact site joint of first contact piece and the contact site joint of second contact piece prevents partial portion, the structure of contact has been simplified to the structure of connector has been simplified, and then the structure of simplification communications facilities power supply unit, moreover, can avoid the contact to take place to deflect relative to the casing in the use through preventing partial portion and the contact site of first contact piece and second contact piece, and avoid the contact to drop, thereby the installation degree of difficulty that has reduced the connector and the reliability that improves the connector and peg graft.

Drawings

Fig. 1 is an assembled schematic view of a connector according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a connector according to an embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of a housing provided by an embodiment of the present application;

fig. 4 is a schematic structural diagram of a contact provided in an embodiment of the present application.

Detailed Description

In order to enable those skilled in the art to better understand the technical solution of the present application, the following detailed description is provided for a server provided in the present application with reference to the accompanying drawings.

Example embodiments will be described more fully hereinafter with reference to the accompanying drawings, but which may be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "made from" \8230; \8230 ";" made from ";" specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

Embodiments herein may be described with reference to plan and/or cross-sectional views in light of idealized schematic illustrations of the present application. Accordingly, the example illustrations can be modified in accordance with manufacturing techniques and/or tolerances. Accordingly, the embodiments are not limited to the embodiments shown in the drawings, but include modifications of configurations formed based on a manufacturing process. Thus, the regions illustrated in the figures have schematic properties, and the shapes of the regions shown in the figures illustrate specific shapes of regions of elements, but are not intended to be limiting.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present application and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Fig. 1 is a schematic diagram of a combined connector provided in an embodiment of the present application, and fig. 2 is a schematic structural diagram of a connector provided in an embodiment of the present application. As shown in fig. 1 and 2, the connector includes a housing 1, a fixing member 2, and a contact 3, the fixing member 2 being for fixedly connecting the housing 1 and the contact 3.

Fig. 3 is a cross-sectional view of a housing provided in an embodiment of the present application. As shown in fig. 2 and 3, a receptacle groove 11 is provided in the housing 1, and the contact 3 is inserted into the receptacle groove 11. The jack slot 11 includes a jack slot entrance (the right side of the housing shown in fig. 3), and the contact 3 is inserted into the jack slot 11 from the jack slot entrance and is snapped into the jack slot 11. An anti-deviation part is arranged at the end part of the jack slot 11 and is used for clamping the contact 3 and preventing the contact 3 from deflecting in the jack slot 11.

In some embodiments, the deviation preventing portion may be a stop rib 12, the stop rib 12 is used for clamping the contact 3, and the stop rib 12 may not only fix the contact 3 in the insertion slot 11, but also prevent the contact 3 from deflecting in the insertion slot 11.

In some embodiments, the deviation preventing portion may also be a stop groove (not shown), the stop groove has the same function as the stop rib 12, and the contact piece 3 abuts against the stop groove to prevent the contact piece 3 from deflecting in the insertion groove 11.

Fig. 4 is a schematic structural diagram of a contact provided in an embodiment of the present application. As shown in fig. 2 and 4, the contact 3 includes a first contact piece 30a and a second contact piece 30b, the front ends of the first contact piece 30a and the second contact piece 30b are each provided with a contact portion 36, and the contact portions 36 of the first contact piece 30a and the second contact piece 30b are tilted outward in opposite directions, that is, the planes of the contact portions 36 of the first contact piece 30a and the second contact piece 30b intersect, and the closer to the end of the contact 3, the farther the contact portions 36 of the first contact piece 30a and the second contact piece 30b are from each other.

As shown in fig. 2 and 4, in a state where the contact 3 is inserted into the insertion hole groove 11, the contact portion 36 of the first contact piece 30a and the contact portion 36 of the second contact piece 30b are respectively engaged with the corresponding stop ribs 12, and the contact portion 36 and the stop ribs 12 prevent the contact 3 from being deflected in the insertion hole groove 11.

In some embodiments, two stop ribs 12 are arranged in a radial direction of the housing 1, and correspondingly, the first contact piece 30a and the second contact piece 30b are symmetrically arranged in the radial direction of the housing 1.

In some embodiments, the surface of the stop rib 12 opposite to the inner wall of the insertion hole 11 is an inclined surface, and the included angle between the inclined surface and the inner wall of the insertion hole 11 is an acute angle, that is, the stop rib 12 forms a hook portion at the end of the housing 1, the contact portion 36 of the first contact piece 30a and the contact portion 36 of the second contact piece 30b abut against the inclined surface of the stop rib 12, that is, the contact portion 36 of the first contact piece 30a and the contact portion 36 of the second contact piece 30b abut against the hook portion, which can improve the stability of the engagement between the contact element 3 and the insertion hole 11, and is favorable for further avoiding the deflection of the contact element 3 in the insertion hole 11.

It should be noted that the axial direction and the radial direction mentioned in the present embodiment are based on the axis (length direction) of the contact 3, the axial direction of the contact 3 is the axial direction of the housing, that is, the axial direction of the connector, and the radial direction of the contact 3 is the radial direction of the housing, that is, the radial direction of the connector.

In some embodiments, an opening is provided on the side or front end of the stop rib 12, which facilitates the contact 3 to snap into the stop rib 12 while preventing the contact 3 from deflecting within the housing 1.

As shown in fig. 2, 3 and 4, a plug slot 15 is provided in the jack slot 11, a plug portion 31 is provided on the contact 3, and in a state where the contact 3 is plugged into the jack slot 11, the plug portion 31 interferes with the plug slot 15 to increase a contact area between the contact 3 and the housing 1, so that the contact 3 is prevented from being deflected, moved or shaken relative to the housing 1 during use.

The socket groove 11 and the contact 3 are provided with a front limiting mechanism for preliminarily positioning the positions of the insertion portion 31 and the insertion groove 15 to limit the depth of the contact 3 inserted into the socket groove 11.

As shown in fig. 2, 3 and 4, the front limiting mechanism includes a front limiting step 37 and a front limiting clamping groove 17, the front limiting step 37 is disposed on the contact element 3, and the front limiting clamping groove 17 is disposed in the insertion groove 11 and is far away from the stop rib 12 compared with the insertion groove 15, that is, the front limiting clamping groove 17 is disposed on the side closer to the inlet of the insertion groove 11. When the contact 3 is inserted into the slot 11 of the housing 1 and the front limiting step 37 abuts against the front limiting slot 17, the contact 3 cannot further extend into the slot 11, and the stop rib 12 is engaged with the contact portion 36 of the contact 3.

In some embodiments, the front limiting mechanism can also adopt other structures. For example, the front limiting mechanism comprises a front limiting part and a front limiting groove, the front limiting groove is arranged in the insertion groove 15 and on the contact element 3, the positions of the front limiting groove and the front limiting groove are opposite, the front limiting part can be embedded in the insertion groove 15, and the depth of the contact element 3 inserted into the insertion groove 11 can be limited through the front limiting part.

In some embodiments, the front limiting element includes, but is not limited to, a limiting block and a limiting column, and the specific structure of the front limiting element is not limited in the embodiments of the present application.

In some embodiments, the connector further comprises a rear position limiting mechanism for positioning the contact 3 and the housing 1 in a rear position. The rear position refers to a rear position of the contact 3, i.e., a position of the contact 3 away from the entrance of the receptacle groove 11. The forward position limit means a position limit when the contact 3 is inserted into the insertion hole 11, and the backward position limit means a position limit when the contact 3 is pulled out from the insertion hole 11.

As shown in fig. 2, 3 and 4, the rear position-limiting mechanism includes a fixing member 2, a rear position-limiting step 38 provided on the contact member 3, and a fixing hole 21 provided on the housing 1, and the fixing hole 21 matches the size of the fixing member 2; in a state where the fixing member 2 is inserted into the fixing hole 21, the fixing member 2 abuts against the rear position restricting step 38.

In this embodiment, the fixing member 2 is used not only to position the rear position of the contact 3 but also to position the radial position of the contact 3. When the fixing member 2 is inserted into the fixing hole 21, the fixing member 2 may abut against not only the rear position limiting step 38 to position the contact member 3 in the axial direction but also the bent transition portion 34 to position the contact member 3 in the radial direction.

The number of the fixing members 2 may be one or more. Usually the number of fixing elements 2 corresponds to the number of contacts 3, i.e. one fixing element 2 for each contact 3.

In some embodiments, as shown in fig. 2, a fixing hole 21 provided on the housing 1 may penetrate through a thickness direction of the housing 1, and the fixing member 2 is inserted from one end of the fixing hole 21 and extends to the other end of the fixing hole 21. In some embodiments, the fixing member 2 may be partially inserted into the fixing hole 21, that is, the fixing member 2 is not completely inserted into the fixing hole 21, and the purpose of fixing the contact 3 is also achieved.

In some embodiments, the rear limiting mechanism comprises a screw (not shown in the figures) for fixedly connecting the contact 3 and the housing 1. For example, screws are inserted from the outside of the housing 1 into the insertion grooves 11 and connected to the contacts 3. The rear position-limiting mechanism may take other forms as long as it can position the contact 3 at the position of the housing 1.

As shown in fig. 3 and 4, each of the first contact piece 3a and the second contact piece 3b further includes a patch section 31, the patch section 31 being adjacent to the contact section 36; a plug groove 15 is provided in the plug groove 11 so as to face the plug portion 31, and the plug portion 31 is fitted into and abutted against the plug groove 15 in a state where the contact 3 is plugged into the plug groove 11.

In some embodiments, the first contact piece 30a and the second contact piece 30b are each provided with a mating part 31, and one end of the mating part 31 is connected to the contact part 36 and the other end is connected to the connection part 32. A connection groove 18 is provided in the insertion groove 11, and the connection portion 32 abuts against the connection groove 18 in a state where the contact 3 is inserted into the insertion groove 11.

As shown in fig. 3, the jack slot 11 includes a stop rib 12, a plug slot 15, a connecting slot 18, a front-located limiting slot 17 and a wire pressing slot 16 in sequence from the bottom to the opening, i.e., the stop rib 12, the plug slot 15, the connecting slot 18, the front-located limiting slot 17 and the wire pressing slot 16 together form the jack slot 11.

As shown in fig. 4, the contact 3 further includes a bending portion 33, and the bending portion 33 is disposed between the front limiting step 37 and the rear limiting step 38, that is, the front end of the bending portion 33 is located at the front limiting step 37, and the rear end of the bending portion 33 is located at the rear limiting step 38.

In some embodiments, the width of the bending portion 33 is greater than that of the connecting portion 32, and the increase in the width of the bending portion 33 can not only improve the strength of the contact 3 and avoid damaging the bending portion 33 during the pre-position limiting process and the post-position limiting process, thereby ensuring the reliability of the pre-position limiting mechanism and the post-position limiting mechanism in positioning the contact 3. Since the width of the mating part 31 is narrower than the width of the bent part 33, the width of the connecting part 32 gradually widens from the mating part 31 toward the bent part 33. In some embodiments, the first contact piece 30a and the second contact piece 30b are each provided with a bent portion 33, and the bent portions 33 can increase the contact area of the contact 3 with the jack slot 11, thereby increasing the friction force between the contact 3 and the housing 1 and stabilizing the contact 3 in the jack slot 11.

As shown in fig. 4, the other end of the contact 3, i.e., the end opposite to the contact portion 36, is provided with a crimping portion 35 for crimping the function wire, and a crimping groove 16 is provided in the insertion groove 11. The crimping portion 35 is embedded in the crimping groove 16 in a state where the contact 3 is plugged in the receptacle groove 16. When in use, the functional wire is placed on the crimping portion 35, and the crimping portion 35 is squeezed so that the crimping portion 35 crimps the functional wire.

In some embodiments, the functional line may be a cable for transmitting electrical energy; or may be a data line for transmitting data.

As shown in fig. 4, the contact 3 includes a contact portion 36, a plug portion 31, a connection portion 32, a bending portion 33, a bending transition portion 34, and a wire pressing portion 35 in this order from one end to the other end, a front position limiting step 37 is provided between the connection portion 32 and the bending portion 33, and a rear position limiting step 38 is provided between the bending portion 33 and the bending transition portion 34.

In some embodiments, the contact 3 is a unitary structure, i.e., the bent transition portion 34 and the wire pressing portion 35 connect the first contact piece 30a and the second contact piece 30b as a unitary structure.

In some embodiments, one jack slot 11 may be provided in the housing 1, and two or more jack slots 11 may be provided. When a plurality of jack grooves 11 are provided in the housing 1, the plurality of jack grooves 11 are arranged in a radial direction of the connector, or the plurality of jack grooves 11 may be arranged in another manner. The number of the contacts 3 may be the same as or less than the number of the jack slots 11 in the housing 1, in other words, the number of the contacts 3 is equal to or less than the number of the jack slots 11.

In some embodiments, the material of the contact 3 is a conductive material, and the material of the housing 1 is an insulating material.

When the connector provided by the embodiment is assembled, the contact element 3 of the cable which is well pressed is inserted into the jack slot 11 of the shell 1, after the contact element is inserted, the pre-positioning of the contact element 3 is realized through the interference fit of the front limiting step 17 and the connecting slot 18, at the moment, no external force is applied, the contact element 3 cannot easily fall off, and in the process of inserting the contact element 3 into the jack slot 11, the contact part 36 of the contact element 3 is opened at the front end and clamped into the stop convex rib 12 of the shell, so that the deflection prevention positioning of the contact element is realized; and then, the fixing piece 2 penetrates through the fixing hole 21 of the shell 1 and passes through the positioning hole of the contact piece 3, and the complete positioning of the contact piece is completed.

According to the connector provided by the embodiment of the application, the end part of the jack slot is provided with the deviation preventing part, the contact piece comprises the first contact piece and the second contact piece, the front ends of the first contact piece and the second contact piece are both provided with the contact parts, and the contact parts of the first contact piece and the second contact piece are tilted outwards in opposite directions; under the state of contact pegging graft in the jack groove, the contact site of first contact piece and the contact site conflict of second contact piece prevent partial, simplified the structure of contact to the structure of connector has been simplified, moreover, can avoid the contact to take place to deflect relative to the casing in the use through preventing partial and the contact site of first contact piece and second contact piece, and avoid the contact to drop, thereby reduced the installation degree of difficulty of connector and improved the reliability that the connector pegged graft.

Example embodiments have been applied herein, and although specific terms are employed, they are used and should be interpreted in a generic and descriptive sense only and not for purposes of limitation. In some instances, features, characteristics and/or elements described in connection with a particular embodiment may be used alone or in combination with features, characteristics and/or elements described in connection with other embodiments, unless expressly stated otherwise, as would be apparent to one skilled in the art. Accordingly, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the application as set forth in the appended claims.

Claims

1. A connector comprises a shell and a contact element, wherein a jack slot is formed in the shell, and the contact element is inserted into the jack slot of the shell;

and under the state that the contact piece is inserted into the jack groove, the contact part of the first contact piece and the contact part of the second contact piece are clamped with the deviation preventing part.

2. The connector according to claim 1, wherein the deviation preventing portion comprises a stop rib, a surface of the stop rib opposite to the inner wall of the receptacle groove is an inclined surface, and an included angle between the inclined surface and the inner wall of the receptacle groove is an acute angle;

3. The connector of claim 1, wherein the deviation preventing portion comprises a stop groove, and the contact portion of the first contact piece and the contact portion of the second contact piece are clamped in the stop groove.

4. The connector according to claim 1, wherein a connecting groove is provided in the insertion groove, and a connecting portion is provided on the contact member, the connecting portion interfering with the connecting groove in a state where the contact member is inserted in the insertion groove.

5. The connector according to claim 4, wherein a front position-restricting mechanism is provided on the receptacle groove and the contact for positioning the connecting portion and the connecting groove.

6. The connector of claim 5, wherein the positive stop mechanism includes a positive stop step disposed on the contact member and a positive stop notch disposed in the receptacle notch.

7. The connector according to claim 5, wherein the front position-limiting mechanism includes a front position-limiting member and a front position-limiting groove, the front position-limiting groove is provided in the connecting groove and at a position opposite to the contact member, and the front position-limiting member is embedded in the front position-limiting groove.

8. The connector of claim 1, further comprising a rear stop mechanism for locating the position of the contact with the housing.

9. The connector according to claim 8, wherein the rear position-restricting mechanism includes a fixing member, a rear position-restricting step provided on the contact member, and a fixing hole provided on the housing, and the fixing hole matches a size of the fixing member;

and under the state that the fixing piece is inserted into the fixing hole, the fixing piece props against the rear limiting step.

10. The connector of claim 8, wherein the rear stop mechanism comprises a screw for fixedly connecting the contact and the housing.

11. The connector according to any one of claims 1-10, wherein the first contact pad and the second contact pad each further comprise a patch section, the patch section being connected to the contact section;

the jack slot is internally provided with a plugging slot opposite to the plugging part, and the plugging part is embedded in the plugging slot under the state that the contact piece is plugged in the jack slot.

12. The connector according to any one of claims 1 to 10, wherein an end of the contact opposite to the contact portion is provided with a crimping portion for crimping a function wire, and a crimping groove is provided in the receptacle groove;