CN218919366U

CN218919366U - Connector housing and electric connector

Info

Publication number: CN218919366U
Application number: CN202223539760.9U
Authority: CN
Inventors: 焦伟; 卢卫荣; 徐晨
Original assignee: Xiexun Electronic Jian Co Ltd
Current assignee: Xiexun Electronic Jian Co Ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-04-25
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a connector shell and an electric connector, and belongs to the technical field of electric connectors. The connector shell comprises a front shell and an integrally formed rear shell, the front shell is sleeved with the rear shell, the rear shell comprises a first side face and a second side face which are arranged on two sides of the front shell along a first direction, a first elastic piece is arranged at the middle position of the first side face along a second direction and is abutted to the front shell, welding parts are arranged on two sides of the first elastic piece along the second direction, and the welding parts are welded on the front shell. The connector shell and the electric connector of the utility model avoid assembly deviation, improve the accuracy of laser welding position, realize automatic assembly and improve the assembly efficiency.

Description

Connector housing and electric connector

Technical Field

The present disclosure relates to electrical connectors, and particularly to a connector housing and an electrical connector.

Background

USB Type-C is an interface Type of USB interface appearance standard, can be applied to PC (master device) and can be applied to external equipment (slave device such as mobile phone), and has the advantages of having smaller volume than Type-A and Type-B, being capable of being inserted positively and negatively, and being longer in service life, and being capable of being inserted and pulled out 10000 times. Because USB IF defines the hanging weight requirement, the rear shell of Type-C generally needs to be welded with the front shell by laser, so as to achieve the holding power and meet the hanging weight requirement of the association.

At present, the Type-C rear shell is divided into a left iron shell and a right iron shell, and when the left iron shell and the right iron shell are assembled into the jig manually, and then laser welding and riveting are respectively carried out on the left iron shell and the right iron shell and the front shell. However, because the volumes of the left iron shell and the right iron shell are smaller, the manual assembly efficiency is lower, the positioning mode is not clear, and assembly deviation often exists, so that the laser welding position is not right, and the manufacturing process laser is poor.

Disclosure of Invention

The utility model aims to provide a connector shell and an electric connector, which avoid assembly deviation, improve the accuracy of laser welding positions, improve the laser welding effect, realize automatic assembly and improve the assembly efficiency.

To achieve the purpose, the utility model adopts the following technical scheme:

in one aspect, a connector housing is provided, including preceding shell and integrated into one piece's backshell, the backshell is located preceding shell, the backshell is including locating preceding shell is along the first side and the second side of first direction both sides, the intermediate position of second direction is followed to first side is equipped with first shell fragment, first shell fragment butt in preceding shell, first shell fragment is followed the both sides of second direction are equipped with welding portion, welding portion weld in preceding shell.

In some possible embodiments, the first side and the second side are planar, the rear shell further comprises two arcuate surfaces, the first side and the second side are connected by two arcuate surfaces, and the arcuate surfaces are shaped to conform to the shape of the front shell.

In some possible embodiments, the rear end of the first side is provided with a bendable portion, the rear end of the second side is provided with a first extending portion in an extending manner, the bendable portion and the first extending portion can form a containing groove, the containing groove is used for containing a cable connected to the rear end of the front shell, and the bendable portion can be bent towards a side away from the first extending portion so as to open the containing groove, so that the bendable portion and the first side face form an included angle.

In some possible embodiments, the angle between the bendable portion and the first side is α, wherein α is 105 ° -115 °.

In some possible embodiments, a clearance groove is provided at a middle position of the bendable portion along the front-rear direction.

In some possible embodiments, the rear end of the bendable portion is provided with a clamping jaw for clamping the cable.

In some possible embodiments, the rear end of the first extension is provided with a second extension, the cable being clamped between the clamping jaw and the second extension.

In some possible embodiments, the bendable portion is spaced apart from the arcuate surface, and/or

The bendable part and the first extension part are arranged at intervals.

In some possible embodiments, the front ends of the first side surface and the second side surface are respectively provided with two second elastic pieces, and the second elastic pieces are abutted against the limiting part of the front shell.

In another aspect, an electrical connector is provided, including the connector housing described above.

The utility model has the beneficial effects that:

according to the connector shell and the electric connector, the rear shell is of an integrated structure, the first elastic piece is arranged in the left-right direction of the first side face in the middle, and the first elastic piece is used for being abutted against the front shell, so that the front shell and the rear shell are positioned, the accuracy of laser welding positions is improved, assembly deviation is avoided, assembly difficulty is reduced, automatic assembly can be achieved, and assembly efficiency is improved. The welding part is provided with two, and locates the both sides of first shell fragment left and right directions, has increased laser welding's area to the atress is even when welding, and laser welding's effect is better.

Drawings

FIG. 1 is a schematic view of a connector housing provided in accordance with an embodiment of the present utility model;

FIG. 2 is an exploded view of a connector housing provided in accordance with an embodiment of the present utility model;

fig. 3 is a schematic view of a bendable portion of a rear housing in a bent state according to an embodiment of the present utility model.

In the figure:

1. a front shell; 11. a limit part; 12. a first connection portion; 13. a second connecting portion;

2. a rear case; 21. a first side; 211. a first elastic sheet; 212. a welding part; 22. a second side; 23. an arc surface; 24. a bendable portion; 241. a clearance groove; 25. a first extension; 26. a clamping jaw; 27. a second extension; 28. a second spring plate; 2A, accommodating groove.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. 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.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The embodiment provides a connector housing, as shown in fig. 1 and 2, including a front housing 1 and an integrally formed rear housing 2, the rear housing 2 is sleeved on the front housing 1, the rear housing 2 includes a first side 21 and a second side 22 disposed on two sides of the front housing 1 along a first direction, a first elastic sheet 211 is disposed at a middle position of the first side 21 along a second direction, the first elastic sheet 211 is abutted to the front housing 1, welding portions 212 are disposed on two sides of the first elastic sheet 211 along the second direction, and the welding portions 212 are welded on the front housing 1. In this embodiment, the first direction is the X direction, the second direction is the Y direction, the third direction is the Z direction, and the first direction, the second direction and the third direction are perpendicular to each other.

As shown in fig. 1 and 2, the X direction is the up-down direction, the Y direction is the left-right direction, and the Z direction is the front-back direction. The backshell 2 is integrated into one piece structure, and on the left and right sides of first side 21 was located to first shell fragment 211 placed in the middle, first shell fragment 211 was used for the butt on preceding shell 1, makes preceding shell 1 and backshell 2 fix a position, has improved the accuracy of laser welding position, avoids appearing the equipment deviation, has reduced the equipment degree of difficulty, can realize automatic equipment, has improved packaging efficiency. The welding part 212 is provided with two parts, is arranged on the two sides of the left and right directions of the first elastic sheet 211, increases the area of laser welding, and has even stress during welding and better laser welding effect.

Further, the first elastic piece 211 is centrally disposed on the left and right sides of the first side surface 21, and the welding portions 212 are symmetrically disposed on two sides of the first elastic piece 211.

In one embodiment, as shown in fig. 1 and 2, the first side 21 and the second side 22 are planar, the rear case 2 further includes two arc surfaces 23, the first side 21 and the second side 22 are connected by the two arc surfaces 23, the shape of the arc surfaces 23 is adapted to the shape of the front case 1, and the first side 21 is planar, so that the welding portion 212 is located on the planar surface, and the laser welding between the welding portion 212 and the front case 1 is more firm.

In one embodiment, as shown in fig. 1 to 3, the rear end of the first side 21 is provided with a bendable portion 24, the rear end of the second side 22 is provided with a first extension portion 25 in an extending manner, the bendable portion 24 and the first extension portion 25 form a receiving groove 2A when the bendable portion 24 is in a non-bending state, the receiving groove 2A is used for receiving a cable connected to the rear end of the front case 1, and when the bendable portion 24 is in a bending state, the bendable portion 24 is bent to a side away from the first extension portion 25 to open the receiving groove 2A, so that the bendable portion 24 is disposed at an included angle with the first side 21. Specifically, the rear end of the front shell 1 is connected with a cable, during assembly, the bendable part 24 is bent, then the front shell 1 is installed by penetrating from the rear end of the rear shell 2, then the bendable part 24 is bent to form a containing groove 2A, the cable is contained in the containing groove 2A, finally, glue filling is performed to fix the cable and the rear shell 2, connection reliability is improved, the containing groove 2A can be filled after glue filling, and deformation of the rear shell 2 is avoided.

Specifically, the bendable portion 24 includes a planar portion and an arc surface portion that are disposed flush with the first side surface 21 and the arc surface 23, respectively.

Specifically, the front shell 1 is internally provided with a connector body, and the cable is connected with the connector body, which is described above with reference to the prior art, and is not repeated.

In one embodiment, as shown in fig. 2 and 3, the angle between the bendable portion 24 and the first side 21 is α, where α is 105 ° -115 °, preferably 110 °, so that the bendable portion 24 is prevented from being broken due to too large an angle and not being able to be installed in the front case 1.

In one embodiment, as shown in fig. 2 and 3, a clearance groove 241 is provided at a middle position of the bendable portion 24 along the front-rear direction, and glue can enter the accommodating groove 2A along the clearance groove 241 by providing the clearance groove 241, so that glue can be conveniently poured. And because keep away the position groove 241 and locate intermediate position, conveniently glue filling makes gluey evenly filling in holding tank 2A, consequently can bend the portion and can set up longer length, convenient processing. Specifically, the bendable portion 24 may be provided with a plurality of avoidance grooves 241 extending inward along both sides of the left-right direction, and the avoidance grooves 241 may be provided along the length direction of the bendable portion 24, which is not limited.

In one embodiment, as shown in fig. 1-3, the rear end of the bendable portion 24 is provided with a clamping jaw 26, and the clamping jaw 26 is used to clamp the cable, thereby improving the mounting stability between the cable and the rear housing 2. In one embodiment, the rear end of the first extension portion 25 is provided with a second extension portion 27 in an extending manner, the cable is clamped between the clamping jaw 26 and the second extension portion 27, the cable is loaded on the second extension portion 27, the clamping jaw 26 holds the cable tightly on the second extension portion 27, and the cable is limited.

In one embodiment, as shown in fig. 1 and 2, the bendable portion 24 is disposed at a distance from the arc-shaped surface 23, so as to facilitate bending, and further, the bendable portion 24 is disposed at a distance from a portion of the first side 21, so as to reduce a connection area with the first side 21, and further facilitate bending. In one embodiment, the bendable portion 24 is spaced apart from the first extension portion 25 to avoid structural interference.

In one embodiment, as shown in fig. 1 and fig. 2, the front ends of the first side surface 21 and the second side surface 22 are respectively provided with two second elastic pieces 28, and the second elastic pieces 28 are abutted against the limiting portion 11 of the front shell 1, so that limiting is realized, front and back sides do not need to be identified during assembly, forward and reverse insertion assembly can be realized, and automatic assembly is easier to realize. Specifically, the front case 1 includes a first connecting portion 12 and a second connecting portion 13 provided in the front-rear direction, and the second connecting portion 13 protrudes from the first connecting portion 12 to form a stopper portion 11, realizing front-rear direction stopper.

The assembling steps of the connector housing include: bending the bent portion upward by about 70 ° from the rear end claw 26 and the bendable portion 24 by the robot to open the accommodating groove 2A; penetrating the front shell 1 from the rear end of the rear shell 2, automatically assembling the front shell 1 into the rear shell 2, and positioning the front shell 1 and the rear shell 2 through the first elastic piece 211 and the second elastic piece 28; flattening the bendable part 24; the integrated rear shell 2 and front shell 1 are welded by laser at a welding part 212 to realize fixation; finally, the clamping jaw 26 is riveted by means of a riveting blade onto the second extension 27 to clamp the cable. Further, after flattening the bendable portion 24, glue is filled into the accommodating groove 2A to achieve fixation.

The embodiment also provides an electric connector, which comprises the connector shell.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The utility model provides a connector housing, its characterized in that includes preceding shell (1) and integrated into one piece's backshell (2), backshell (2) cover is located preceding shell (1), backshell (2) are including locating preceding shell (1) are along first side (21) and second side (22) of first direction both sides, the intermediate position of first side (21) along the second direction is equipped with first shell fragment (211), first shell fragment (211) butt in preceding shell (1), first shell fragment (211) are followed the both sides of second direction are equipped with welding portion (212), welding portion (212) weld in preceding shell (1).

2. Connector housing according to claim 1, wherein the first side (21) and the second side (22) are planar, the rear housing (2) further comprises two arcuate surfaces (23), the first side (21) and the second side (22) being connected by means of the two arcuate surfaces (23), the arcuate surfaces (23) being shaped to conform to the shape of the front housing (1).

3. Connector housing according to claim 2, characterized in that the rear end of the first side (21) is provided with a bendable part (24), the rear end of the second side (22) is provided with a first extension part (25) in an extending manner, the bendable part (24) and the first extension part (25) can form a receiving groove (2A), the receiving groove (2A) is used for receiving a cable connected to the rear end of the front shell (1), and the bendable part (24) can be bent towards a side facing away from the first extension part (25) to open the receiving groove (2A) so that the bendable part (24) is arranged at an angle with the first side (21).

4. A connector housing according to claim 3, wherein the angle between the bendable portion (24) and the first side (21) is α, wherein α is 105 ° -115 °.

5. A connector housing according to claim 3, wherein the bendable portion (24) is provided with a clearance groove (241) at a middle position in the front-rear direction.

6. A connector housing according to claim 3, wherein the bendable portion (24) is provided at a rear end thereof with a clamping jaw (26), the clamping jaw (26) being adapted to clamp the cable.

7. Connector housing according to claim 6, characterized in that the rear end of the first extension (25) is provided with a second extension (27) extending, the cable being clamped between the clamping jaw (26) and the second extension (27).

8. A connector housing according to claim 3, wherein,

the bendable part (24) is arranged at intervals with the arc-shaped surface (23), and/or

The bendable part (24) is arranged at intervals from the first extension part (25).

9. Connector housing according to any one of claims 1-8, wherein the front ends of the first side (21) and the second side (22) are each provided with two second spring plates (28), the second spring plates (28) being in abutment with the limit part (11) of the front shell (1).

10. An electrical connector comprising the connector housing of any one of claims 1-9.