CN218351789U

CN218351789U - Shell assembly of electric connector

Info

Publication number: CN218351789U
Application number: CN202221163081.3U
Authority: CN
Inventors: 段白玉; 黄斌; 郭荣哲; 陈宏基
Original assignee: Dongguan Luxshare Technology Co Ltd
Current assignee: Dongguan Luxshare Technology Co Ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2023-01-20
Anticipated expiration: 2032-02-18
Also published as: CN217158753U

Abstract

A housing assembly of an electrical connector includes an outer housing and a top heat sink. The outer housing includes a top wall and a docking space located below the top wall. The top wall includes a locking spring. The mating space is configured to receive a mating connector in a mating direction. The top radiator is arranged on the top wall and provided with an installation groove, and the locking elastic sheet penetrates through the installation groove and fixes the top radiator on the top wall after being twisted. Compared with the prior art, the utility model discloses be convenient for install top radiator.

Description

Shell assembly of electric connector

The present application is a divisional application of the invention entitled "housing assembly of electrical connector" filed on 18/2/2022 and having an application number of 202220338986.3.

Technical Field

The utility model relates to an electric connector's casing subassembly belongs to connector technical field.

Background

Some prior art electrical connectors, such as SFP connectors, typically include a housing assembly that is formed from several pieces of sheet metal that are spliced together. The housing assembly is located at the front of the electrical connector to guide and at least partially receive the mating connector.

With the increasing demands on communication, the housing assembly also serves a part of the heat dissipation function of the electrical connector. However, how to facilitate the installation of the heat sink is a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector's casing assembly convenient to install top radiator.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a housing assembly of an electrical connector, the housing assembly comprising:

the connector comprises an outer shell, a connector body and a connector body, wherein the outer shell comprises a top wall and a butt joint space positioned below the top wall, the top wall comprises a locking elastic sheet, and the butt joint space is configured to accommodate a butt joint connector along a butt joint direction; and

the top radiator is arranged on the top wall and provided with an installation groove, and the locking elastic sheet penetrates through the installation groove and fixes the top radiator on the top wall after being twisted.

As a further improved technical scheme of the utility model, the locking shell fragment certainly the roof punching press forms, the locking shell fragment include the supporting part and with the locking portion that the supporting part links to each other, locking portion is passing is twisted reverse with downward butt behind the mounting groove top radiator.

As a further improved technical solution of the present invention, the locking portions are two and respectively located on both sides of the supporting portion.

As the technical scheme of the further improvement of the utility model, two the slope opposite direction of locking portion.

As a further improved technical solution of the present invention, the housing assembly further includes:

the peripheral wall comprises a first wall part, a second wall part, a third wall part and a fourth wall part, wherein the first wall part is arranged opposite to the second wall part, the third wall part is arranged opposite to the fourth wall part, and the first wall part, the second wall part, the third wall part and the fourth wall part jointly enclose a containing space;

the butt joint space is adjacent to the accommodating space; and

the radiator is accommodated in the accommodating space;

the peripheral wall includes a first limiting protrusion, a second limiting protrusion, a third limiting protrusion, and a limiting spring, wherein the first limiting protrusion, the second limiting protrusion, the third limiting protrusion, and the limiting spring all protrude inward into the receiving space, wherein the first limiting protrusion contacts the heat sink and is configured to limit the heat sink from moving upward in an up-down direction, the second limiting protrusion contacts the heat sink and is configured to limit the heat sink from moving downward in the up-down direction, the third limiting protrusion contacts the heat sink and is configured to limit the heat sink from moving forward in a front-back direction, and the limiting spring contacts the heat sink and is configured to limit the heat sink from moving backward in the front-back direction after the heat sink is mounted in place, wherein the up-down direction is perpendicular to the docking direction, and the front-back direction is parallel to the docking direction.

As the utility model discloses further modified technical scheme, the radiator includes the heat dissipation base plate and is fixed in a plurality of fin on the heat dissipation base plate, the heat dissipation base plate is equipped with the upper surface, first spacing protruding butt in the upper surface.

As a further improved technical solution of the present invention, the first limiting protrusion is disposed on the first wall portion and the second wall portion, and the first limiting protrusion is a stamping part protruding inward from the first wall portion and the second wall portion.

As the utility model discloses further modified technical scheme, the heat dissipation base plate is equipped with the lower surface, the spacing protruding butt of second in the lower surface.

As the utility model discloses further modified technical scheme, the radiator along with butt joint opposite direction's direction accept in the accommodating space, the terminal surface before the radiator is equipped with, the spacing protruding butt of third in preceding terminal surface.

As a technical scheme of the utility model further improves, spacing shell fragment certainly the third wall portion punching press forms, spacing shell fragment along with butt joint opposite direction's direction extends, spacing shell fragment is including the terminal portion that is located the front end, terminal portion is used for the butt the radiator.

Compared with the prior art, the utility model discloses a setting is located the locking shell fragment of roof, the top radiator is equipped with the mounting groove, the locking shell fragment passes the mounting groove and the locking shell fragment will after being twistd reverse the top radiator is fixed on the roof, thereby be convenient for install the top radiator.

Drawings

Fig. 1 is a schematic perspective view of the electrical connector of the present invention mounted on a circuit board.

Fig. 2 is a right side view of fig. 1.

Fig. 3 is a front view of fig. 1.

Fig. 4 is a schematic perspective cross-sectional view of fig. 1.

Fig. 5 is a front view of fig. 4.

Fig. 6 is a schematic perspective cross-sectional view of fig. 1 at another angle.

Fig. 7 is a front view of fig. 6.

Fig. 8 is a perspective view of the heat sink.

Fig. 9 is a front view of fig. 8.

Fig. 10 is a partially exploded perspective view of fig. 8.

Fig. 11 is a front view of the electrical connector of the present invention with the outer housing removed from fig. 2.

Fig. 12 is a partially exploded perspective view of fig. 1 with the light directing elements separated.

Fig. 13 is a partial exploded perspective view of fig. 1 with the abutting spring separated.

Fig. 14 is a top view of one of the abutting leaves of fig. 13.

Fig. 15 is a left side view of fig. 13.

Fig. 16 is a right side view of fig. 13.

Fig. 17 is a left side view of the outer housing of the electrical connector of the present invention after separation.

Fig. 18 is a right side view of the housing of the electrical connector of the present invention after separation.

Fig. 19 is a further exploded left side view of fig. 18.

Fig. 20 is a further exploded left side view of fig. 17.

Detailed Description

Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. If several embodiments exist, the features of these embodiments may be combined with each other without conflict. When the description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The description set forth below in the exemplary detailed description does not represent all embodiments consistent with the present invention; rather, they are merely examples of apparatus, products, and/or methods consistent with certain aspects of the invention, as recited in the claims of the invention.

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. As used in the specification and claims of this application, the singular form of "a", "an", or "the" is intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the terms "first," "second," and the like, as used in the description and in the claims of the present invention, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, the terms "front," "back," "up," "down," and the like in the description of the present invention are used for convenience of description, and are not limited to a particular position or spatial orientation. The word "comprising" or "comprises", and the like, is intended to be open-ended, meaning that an element that appears before "comprises" or "comprising" includes "or" includes "and its equivalents, that do not exclude the presence of other elements in addition to the element that appears before" comprising "or" including ". If the utility model discloses in appear "a plurality of", its meaning indicates two and more than two.

Referring to fig. 1 to 20, the present invention discloses an electrical connector, which includes a housing assembly 100. The shell assembly 100 comprises an outer shell 1, a plurality of partition plates 2 positioned in the outer shell 1, a plurality of inserting sheets 3 installed on the outer shell 1, a plurality of heat dissipation devices 4 and a plurality of light guide elements 5.

Referring to fig. 4, in the illustrated embodiment of the present invention, the outer casing 1 is substantially shaped like a frame, and includes a top wall 11, a bottom wall 12, a first outer sidewall 13 connecting one side of the top wall 11 and one side of the bottom wall 12, and a second outer sidewall 14 connecting the other side of the top wall 11 and the other side of the bottom wall 12.

As shown in fig. 12, the top wall 11 is provided with a plurality of locking elastic pieces 111 protruding upwards. In the illustrated embodiment of the present invention, the locking elastic sheet 111 is formed by stamping the top wall 11, and the locking elastic sheet 111 includes a supporting portion 111a and a locking portion 111b connected to the supporting portion 111 a. The two locking parts 111b are respectively located at two sides of the supporting part 111 a.

The heat dissipation devices 4 include a top heat sink 41 mounted on the top wall 11, and the top heat sink 41 is provided with a mounting groove 411. The locking elastic piece 111 passes through the mounting groove 411 and limits the top heat sink 41 to move upwards. Specifically, in the illustrated embodiment of the present invention, the locking portion 111b is twisted after passing through the mounting groove 411 to abut downward against the top heat sink 41. The two locking portions 111b are inclined in opposite directions. With this arrangement, the top heat sink 41 can be conveniently and stably mounted on the top wall 11.

In the illustrated embodiment of the present invention, the light guide element 5 is mounted on the top heat sink 41.

As shown in fig. 1 to 7, the plurality of partition boards 2 include a first partition board 21, a second partition board 22 located below the first partition board 21, and a middle partition board 23 installed in the middle of the first partition board 21 and the second partition board 22. In the illustrated embodiment of the present invention, the first partition 21 and the second partition 22 are arranged substantially horizontally, and the intermediate partition 23 is arranged substantially vertically. The plurality of partition boards 2 divide the outer shell 1 into a plurality of butt joint spaces 201 and a plurality of splicing spaces 202. In the illustrated embodiment of the present invention, the plurality of docking spaces 201 are two and stacked up and down, the plurality of docking spaces 202 are two and stacked up and down, and the docking spaces 201 and the corresponding docking spaces 202 are arranged side by side from left to right. In other words, the partitions 2 divide the outer housing 1 into four ports in a 2*2 matrix arrangement to accommodate docking connectors (e.g., SPF plug connectors). The following description will be given by taking as an example one docking space 201 and one plugging space 202 located at the upper part and arranged side by side at the left and right.

As shown in fig. 4, the housing assembly 100 includes a peripheral wall 6, and the peripheral wall 6 includes a first wall 61, a second wall 62, a third wall 63, and a fourth wall 64, wherein the first wall 61 is disposed opposite to the second wall 62, and the third wall 63 is disposed opposite to the fourth wall 64. The first wall portion 61, the second wall portion 62, the third wall portion 63 and the fourth wall portion 64 together enclose a receiving space 60. The plurality of heat dissipating devices 4 includes a heat sink 42 installed in the receiving space 60.

In the illustrated embodiment of the present invention, the number of the accommodating spaces 60 is two, and the accommodating spaces are respectively located between the docking space 201 and the plugging space 202. Two abutting spaces 201 located at the upper and lower sides of the accommodating space 60 in the vertical direction are both disposed adjacent to the accommodating space 60. Two insertion spaces 202 located at the upper and lower sides of the accommodating space 60 in the vertical direction are both disposed adjacent to the accommodating space 60. The mating space 201 and the plugging space 202 are used for receiving the mating connector (not shown) along a mating direction a.

The heat sink 42 is accommodated in the accommodating space 60 in a direction opposite to the mating direction a.

As shown in fig. 4 to 7 and 11, the peripheral wall 6 includes a first limiting protrusion 65, a second limiting protrusion 66, a third limiting protrusion 67 and a limiting elastic sheet 68, the first limiting protrusion 65, the second limiting protrusion 66, the third limiting protrusion 67 and the limiting elastic sheet 68 all protrude inwards into the accommodating space 60, wherein the first limiting protrusion 65 is used for limiting the upward movement of the heat sink 42, the second limiting protrusion 66 is used for limiting the downward movement of the heat sink 42, the third limiting protrusion 67 is used for limiting the forward movement of the heat sink 42, and the limiting elastic sheet 68 is used for limiting the rearward movement of the heat sink 42 after the heat sink 42 is mounted in place.

Referring to fig. 4 to 10, in the illustrated embodiment of the present invention, the heat sink 42 includes a heat dissipating substrate 421 and a plurality of heat dissipating fins 422 fixed on the heat dissipating substrate 421. The heat sink 42 also includes heat dissipation channels 420 between adjacent fins 422. The heat dissipating substrate 421 has an upper surface 4211 and a lower surface 4212. Referring to fig. 7, in the embodiment of the present invention, the heat dissipating base plate 421 has a groove 4213, and the lower surface 4212 is located in the groove 4213.

In the illustrated embodiment of the present invention, the first limiting projection 65 is provided on the first wall portion 61 and the second wall portion 62, and the first limiting projection 65 is formed by punching from the first wall portion 61 and the second wall portion 62. The first limiting protrusion 65 abuts against the upper surface 4211 of the heat dissipating substrate 421.

The second limiting protrusion 66 is disposed on the first wall portion 61 and the second wall portion 62, and the second limiting protrusion 66 is formed by punching the first wall portion 61 and the second wall portion 62. The second position-limiting protrusion 66 abuts against the lower surface 4212 of the heat-dissipating substrate 421.

The heat sink 42 further has a front end face 423 (please refer to fig. 8), and the third limiting protrusion 67 abuts against the front end face 423.

As shown in fig. 11, the limiting elastic sheet 68 is formed by stamping from the third wall 63, the limiting elastic sheet 68 extends in a direction opposite to the butting direction a, and the limiting elastic sheet 68 includes a terminal portion 681 at a front end. The end portions 681 are angled downward to abut the heat sink 42 after the heat sink 42 is in place, preventing the heat sink 42 from moving rearward.

Referring to fig. 1 and 11, in the embodiment of the present invention, the plurality of inserting pieces 3 include a first inserting piece 31 and a second inserting piece 32, and the first inserting piece 31 and the second inserting piece 32 are substantially U-shaped. The first insert sheet 31 and the second insert sheet 32 have similar structures, and only the first insert sheet 31 will be described as an example.

The first inserting sheet 31 comprises a front end wall 311, a first extending portion 312 extending from the top of the front end wall 311 to the rear, and a second extending portion 313 extending from the bottom of the front end wall 311 to the rear, wherein the first extending portion 312 is located between the upper end docking space 201 and the receiving space 60, and the second extending portion 313 is located between the receiving space 60 and the lower end docking space 201. The upper and lower ends of the receiving space 60 are respectively limited by the first extension 312 and the second extension 313, and the front end of the receiving space 60 is limited by the front end wall 311. In the illustrated embodiment of the present invention, the first wall portion 61 is a part of the first outer sidewall 13, the second wall portion 62 is a part of the middle partition 23, the third wall portion 63 is the first extension portion 312, and the fourth wall portion 64 is the second extension portion 313. In the illustrated embodiment of the present invention, the first extension 312 is welded to the first partition 21, and the second extension 313 is welded to the second partition 22.

As shown in fig. 13 to fig. 20, the housing assembly 100 further includes a circumferential wall 7, and the circumferential wall 7 includes the abutting space 201. In the illustrated embodiment of the present invention, the circumferential wall 7 includes a first side wall 71, a second side wall 72, a top wall 11 and a bottom wall 73, wherein the first side wall 71 is opposite to the second side wall 72, and the top wall 11 is opposite to the bottom wall 73. The first side wall 71, the second side wall 72, the top wall 11 and the bottom wall 73 together enclose the docking space 201.

In the illustrated embodiment of the present invention, the first side wall 71 is a part of the first outer side wall 13, the second side wall 72 is a part of the middle partition 23, and the bottom wall 73 is the first extending portion 312.

As shown in fig. 13 and 14, the inserting piece 3 includes an abutting elastic piece 33. The abutting elastic piece 33 includes a first abutting portion 331, a second abutting portion 332, a first fixing portion 333, a second fixing portion 334, and a front end edge 335 connecting the first abutting portion 331 and the second abutting portion 332. The front edge 335 abuts against the second sidewall 72 to limit the position. In the illustrated embodiment of the present invention, the first abutting portion 331 and the second abutting portion 332 are symmetrically disposed, and the first fixing portion 333 and the second fixing portion 334 are symmetrically disposed. The first abutting portion 331 protrudes into the abutting space 201 and is configured to abut against a mating connector, and the second abutting portion 332 protrudes into the inserting space 202 and is configured to abut against a mating connector.

The circumferential wall 7 is further provided with a mounting hole 70, and the first fixing portion 333 is riveted into the mounting hole 70. The first fixing portion 333 does not protrude into the mating space 201 to reduce the influence of insertion/extraction of the mating connector. In particular, the quality risk of the first fixing part 333 being hooked out during the unplugging of the counter connector is reduced.

As shown in fig. 19, the first fixing portion 333 corresponds to the shape of the mounting hole 70 for facilitating riveting. Specifically, in the illustrated embodiment of the present invention, the mounting hole 70 is disposed on the second side wall 72, and the mounting hole 721 penetrates through the second side wall 72 along the left-right direction to communicate the docking space 201 and the docking space 202. The first fixing portion 333 and the second fixing portion 334 are attached together and riveted together in the mounting hole 70.

In the illustrated embodiment of the present invention, the first fixing portion 333 includes a first fixing tab 3331 located on an upper portion of the abutting elastic piece 33 and a second fixing tab 3332 located on a lower portion of the abutting elastic piece 33, and the first fixing tab 3331 and the second fixing tab 3332 are spaced apart from each other. The mounting hole 70 includes a first mounting hole 701 and a second mounting hole 702, wherein the first fixing tab 3331 is fixed to the first mounting hole 701 by caulking, and the second fixing tab 3332 is fixed to the second mounting hole 702 by caulking. In the illustrated embodiment of the present invention, the first fixing tab 3331 and the second fixing tab 3332 are respectively located at two ends (e.g., upper and lower ends) of the abutting elastic piece 33, wherein the first fixing tab 3331 is close to the top wall 11, and the second fixing tab 3332 is close to the bottom wall 73.

Compared with the prior art, the utility model realizes the limit of the radiator 42 in the up, down, front and back directions by arranging the first limit bulge 65, the second limit bulge 66, the third limit bulge 67 and the limit elastic sheet 68, and improves the installation stability of the radiator 42; additionally, the utility model discloses a set up spacing shell fragment 68, be convenient for install radiator 42 just can it is spacing to it after the installation of radiator 42 targets in place.

In addition, the utility model discloses a set up mounting hole 70 on the circumference wall 7, and will first fixed part 333 riveting is fixed in the mounting hole 70, reduced first fixed part 333 receives the influence of the insertion/extraction of butting connector, especially reduced first fixed part 333 is in the risk that the butting connector is drawn out the time and is colluded.

The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present invention should be based on the technical personnel in the technical field, although the present specification has been described in detail with reference to the above embodiments, however, the skilled in the art should understand that the technical personnel in the technical field can still modify the present invention or substitute the same, and all technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.

Claims

1. A housing assembly (100) for an electrical connector, characterized by: the housing assembly (100) includes:

an outer housing (1), the outer housing (1) comprising a top wall (11) and a docking space (201) below the top wall (11), the top wall (11) comprising a locking spring (111), the docking space (201) being configured to receive a docking connector along a docking direction (A); and

the top radiator (41), the top radiator (41) is installed on the top wall (11), the top radiator (41) is provided with an installation groove (411), and the locking elastic sheet (111) penetrates through the installation groove (411) and fixes the top radiator (41) on the top wall (11) after the locking elastic sheet (111) is twisted.

2. The housing assembly (100) of an electrical connector of claim 1, wherein: the locking elastic sheet (111) is formed by stamping the top wall (11), the locking elastic sheet (111) comprises a supporting portion (111 a) and a locking portion (111 b) connected with the supporting portion (111 a), and the locking portion (111 b) is twisted after penetrating through the mounting groove (411) to abut against the top radiator (41) downwards.

3. The housing assembly (100) of an electrical connector of claim 2, wherein: the two locking parts (111 b) are respectively positioned at two sides of the supporting part (111 a).

4. A housing assembly (100) of an electrical connector as in claim 3 wherein: the two locking parts (111 b) are inclined in opposite directions.

5. The housing assembly (100) of an electrical connector of claim 1, wherein: the housing assembly (100) further comprises:

a peripheral wall (6), wherein the peripheral wall (6) comprises a first wall part (61), a second wall part (62), a third wall part (63) and a fourth wall part (64), the first wall part (61) is arranged opposite to the second wall part (62), the third wall part (63) is arranged opposite to the fourth wall part (64), and the first wall part (61), the second wall part (62), the third wall part (63) and the fourth wall part (64) jointly enclose a containing space (60);

the butt joint space (201) is arranged adjacent to the accommodating space (60); and

a heat sink (42), wherein the heat sink (42) is accommodated in the accommodating space (60);

the peripheral wall (6) includes a first limit protrusion (65), a second limit protrusion (66), a third limit protrusion (67), and a limit spring (68), the first limit protrusion (65), the second limit protrusion (66), the third limit protrusion (67), and the limit spring (68) all protrude inward into the receiving space (60), wherein the first limit protrusion (65) contacts the heat sink (42) and is configured to limit upward movement of the heat sink (42) in an up-down direction, the second limit protrusion (66) contacts the heat sink (42) and is configured to limit downward movement of the heat sink (42) in the up-down direction, the third limit protrusion (67) contacts the heat sink (42) and is configured to limit forward movement of the heat sink (42) in a front-back direction, and the limit spring (68) contacts the heat sink (42) and is configured to limit rearward movement of the heat sink (42) in the front-back direction, wherein the up-down direction is perpendicular to the docking direction (a), and the front-back direction is parallel to the docking direction (a).

6. The housing assembly (100) of an electrical connector of claim 5, wherein: the heat radiator (42) comprises a heat radiation base plate (421) and a plurality of heat radiation fins (422) fixed on the heat radiation base plate (421), the heat radiation base plate (421) is provided with an upper surface (4211), and the first limiting bulge (65) is abutted to the upper surface (4211).

7. The housing assembly (100) of an electrical connector of claim 5, wherein: the first limiting protrusion (65) is arranged on the first wall portion (61) and the second wall portion (62), and the first limiting protrusion (65) is a stamping part protruding inwards from the first wall portion (61) and the second wall portion (62).

8. The housing assembly (100) of an electrical connector of claim 6, wherein: the heat dissipation base plate (421) is provided with a lower surface (4212), and the second limiting protrusion (66) abuts against the lower surface (4212).

9. The housing assembly (100) of an electrical connector of claim 5, wherein: the radiator (42) is accommodated in the accommodating space (60) along a direction opposite to the butt joint direction (A), the radiator (42) is provided with a front end face (423), and the third limiting bulge (67) abuts against the front end face (423).

10. The housing assembly (100) of an electrical connector of claim 5, wherein: spacing shell fragment (68) from third wall portion (63) punching press forms, spacing shell fragment (68) along with butt joint direction (A) opposite direction extends, spacing shell fragment (68) are including terminal portion (681) that is located the front end, terminal portion (681) is used for the butt joint radiator (42).