CN110364884A - Socket Connectors and Plug Connectors - Google Patents

Abstract

The invention discloses a socket connector, comprising: a housing having a top wall and a bottom wall, an opening is formed on the top wall of the housing; and a heat sink arranged on the top wall of the housing, including a boss adapted to protrude into the interior of the housing through the opening, the heat sink is fixedly welded on the outer surface of the top wall of the housing and closes the opening on the housing . Therefore, in the present invention, no electromagnetic leakage path will appear on the top wall of the housing of the socket connector, thereby improving the anti-electromagnetic interference performance of the connector.

Description

Socket Connectors and Plug Connectors

technical field

The invention relates to a socket connector and a plug connector matched with the socket connector.

Background technique

In the prior art, the receptacle connector usually includes a metal housing (usually an iron cage) and a terminal module arranged in the metal housing. Conductive terminals. In the prior art, since the transmission speed of the connector is getting higher and higher, the heat generated by the connector is very large. Therefore, it is usually necessary to install a heat sink on the top wall of the metal housing of the socket connector to increase Thermal performance of the connector.

In the prior art, a heat sink usually includes a base plate, heat sinks on the top of the base plate, and bosses on the bottom of the base plate. An opening is formed on the top wall of the metal housing through which the boss of the heat sink protrudes into the interior of the metal housing so as to be in thermal contact with the inserted plug connector.

In the prior art, an elastic clip is usually used to elastically hold the radiator on the top wall of the metal housing, which allows the radiator to float up and down against the elastic force of the elastic clip. Therefore, when the plug connector is inserted into the receptacle connector, the plug connector will push up the heat sink, causing the heat sink to be lifted up, which will cause a large gap between the heat sink and the metal shell, so that For a larger electromagnetic leakage path, the anti-electromagnetic interference performance of the connector is reduced.

Contents of the invention

The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and deficiencies in the prior art.

According to one aspect of the present invention, there is provided a receptacle connector, comprising: a housing having a top wall and a bottom wall, an opening is formed on the top wall of the housing; and a heat sink disposed on the housing The top wall includes a boss suitable for protruding into the inside of the housing through the opening, the radiator is fixedly welded on the outer surface of the top wall of the housing, and closes the housing of the opening.

According to an exemplary embodiment of the present invention, the heat sink further includes a base plate and a heat sink, the heat sink is located on the top of the base plate, and the boss is located at the bottom of the base plate; the base plate of the heat sink fixedly welded to the outer surface of the top wall of the housing, thereby closing the opening in the housing.

According to another exemplary embodiment of the present invention, the housing has at least one insertion cavity into which a plug connector is inserted, and one opening is formed on the top wall of each insertion cavity; the radiator There is at least one said boss respectively corresponding to said at least one insertion cavity, and said boss protrudes into said insertion cavity through said opening so as to be in thermal contact with a plug connector inserted into said insertion cavity.

According to another exemplary embodiment of the present invention, the housing further has at least one partition plate, and the partition board divides the inner space of the housing into a plurality of insertion cavities.

According to another exemplary embodiment of the present invention, a recess opposite to the opening is formed on the inner surface of the bottom wall of each insertion cavity, an elastic element is arranged in the recess, and the elastic The element is adapted to push up the plug connector inserted into the insertion cavity, so that the plug connector is in tight contact with the boss of the heat sink.

According to another exemplary embodiment of the present invention, the concave portion is a sunken concave portion formed by stamping the bottom wall.

According to another exemplary embodiment of the present invention, the elastic element includes a base plate and a plurality of upwardly warped arc elastic pieces formed by punching the base portion, and the base plate of the elastic element is assembled on the in the depression.

According to another exemplary embodiment of the present invention, the base plate portion of the elastic element matches the concave portion, so that the elastic element can be positioned in the concave portion.

According to another exemplary embodiment of the present invention, at least one slot is formed on each of the arc-shaped elastic pieces, so as to increase the elasticity of the arc-shaped elastic pieces.

According to another exemplary embodiment of the present invention, the socket connector further includes a terminal module disposed in the insertion cavity, the terminal module has an insulating body and at least one conductive terminal held in the insulating body , the conductive terminal is adapted to be in electrical contact with a plug connector inserted into the insertion cavity.

According to another exemplary embodiment of the present invention, a slot is formed on the insulating body of the terminal module, and the elastic contact portion of the conductive terminal is located in the slot; the plug connector has a plug The tongue is adapted to be inserted into the slot so as to make electrical contact with the elastic contact portion of the conductive terminal.

According to another exemplary embodiment of the present invention, the conductive terminal has connecting pins suitable for soldering or plugging into a circuit board, and the conductive terminal is a flexible conductive terminal, so that the terminal module can be connected to the The circuit board floats to prevent the tongue from interfering with the slot due to manufacturing errors, so as to ensure that the plug connector inserted into the insertion cavity is in close contact with the entire bottom surface of the boss of the heat sink.

According to another exemplary embodiment of the present invention, a plurality of socket pins are formed on the bottom of the housing, and the socket pins are suitable for being plugged into socket holes on the circuit board, so that the The housing is fixed on the circuit board.

According to another exemplary embodiment of the present invention, electromagnetic shielding shrapnels are installed on the four walls of the port of each insertion cavity.

According to another aspect of the present invention, there is provided a plug connector adapted to be inserted into the insertion cavity of the aforementioned socket connector, the plug connector has a tongue adapted to be inserted into the terminal module In the slot of the plug connector, so as to make electrical contact with the elastic contact part of the conductive terminal, the tongue is installed on the body of the plug connector in a floatable manner, so as to prevent the tongue from contacting the socket due to Interference occurs due to manufacturing errors, so as to ensure that the plug connector inserted into the insertion cavity can be in tight contact with the entire bottom surface of the boss of the heat sink.

In each of the foregoing exemplary embodiments according to the present invention, the heat sink is fixedly welded on the outer surface of the top wall of the casing, and closes the opening on the casing, so that electromagnetic radiation does not appear on the top wall of the casing. Leakage path, thereby improving the anti-electromagnetic interference performance of the connector.

Other objects and advantages of the present invention will be apparent from the following description of the present invention with reference to the accompanying drawings, and may help to provide a comprehensive understanding of the present invention.

Description of drawings

FIG. 1 shows a schematic perspective view of a socket connector according to an exemplary embodiment of the present invention;

Fig. 2 shows a schematic diagram of the elastic element on the bottom wall of the socket connector shown in Fig. 1;

Fig. 3 shows a schematic perspective view of an insertion cavity of the receptacle connector shown in Fig. 1;

Figure 4 shows a longitudinal sectional view of the receptacle connector shown in Figure 1;

Fig. 5 shows a perspective view of the elastic element shown in Fig. 2;

Fig. 6 shows a schematic diagram showing that the plug connector cannot contact the heat sink when the tongue of the plug connector interferes with the slot of the terminal module of the socket connector;

Fig. 7 shows a schematic diagram of setting the tongue or the terminal module to be floating to avoid the interference of the tongue and the socket.

Detailed ways

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals designate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention, but should not be construed as a limitation of the present invention.

In addition, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a comprehensive understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagrammatic form to simplify the drawings.

According to a general technical concept of the present invention, a socket connector is provided, comprising: a housing having a top wall and a bottom wall, an opening is formed on the top wall of the housing; and a heat sink disposed on the housing On the top wall of the body, including a boss suitable for protruding into the inside of the casing through the opening, the heat sink is fixedly welded on the outer surface of the top wall of the casing, and closes the casing the opening in the body.

FIG. 1 shows a schematic perspective view of a receptacle connector 10 according to an exemplary embodiment of the present invention. FIG. 3 shows a schematic perspective view of an insertion cavity 101 of the receptacle connector 10 shown in FIG. 1 . FIG. 4 shows a longitudinal cross-sectional view of the socket connector 10 shown in FIG. 1 .

As shown in FIGS. 1 , 3 and 4 , in the illustrated embodiment, the socket connector includes a housing 100 and a heat sink 200 . The housing 100 has a top wall 110 and a bottom wall 120 , and an opening 111 is formed on the top wall 110 of the housing 100 . The heat sink 200 is disposed on the top wall 110 of the housing 100 and includes a boss 230 adapted to protrude into the inside of the housing 100 through the opening 111 .

As shown in FIG. 1 , FIG. 3 and FIG. 4 , in the illustrated embodiment, the radiator 200 is fixedly welded on the outer surface of the top wall 110 of the housing 100 and closes the opening 111 on the housing 100 . In an embodiment of the present invention, the heat sink 200 can be welded on the outer surface of the top wall 110 of the housing 100 by means of reflow soldering.

As shown in FIG. 1 , FIG. 3 and FIG. 4 , in the illustrated embodiment, the heat sink 200 further includes a substrate 210 and a heat sink 220 . The heat sink 220 is located on the top of the substrate 210 , and the boss 230 is located on the bottom of the substrate 210 . The base plate 210 of the heat sink 200 is fixedly welded on the outer surface of the top wall 110 of the housing 100 so as to close the opening 111 on the housing 100 .

As shown in FIGS. 1 , 3 and 4 , in the illustrated embodiment, the housing 100 has at least one insertion cavity 101 into which the plug connector 20 is inserted, and a top wall 110 of each insertion cavity 101 is formed with An opening 111 . The heat sink 200 has at least one boss 230 respectively corresponding to at least one insertion cavity 101 . Each boss 230 protrudes into the insertion cavity 101 through the corresponding opening 111 so as to be in thermal contact with the plug connector 20 inserted into the insertion cavity 101 .

As shown in FIG. 1 , FIG. 3 and FIG. 4 , in the illustrated embodiment, the housing 100 further has at least one partition plate 130 for dividing the inner space of the housing 100 into a plurality of insertion cavities 101 .

FIG. 2 shows a schematic diagram of the elastic element 500 on the bottom wall 120 of the socket connector 10 shown in FIG. 1 .

As shown in Figures 1 to 4, in the illustrated embodiment, a recessed portion 121 opposite to the opening 111 is formed on the inner surface of the bottom wall 120 of each insertion cavity 101, and an elastic element is disposed in the recessed portion 121. 500 , the elastic element 500 is adapted to push up the plug connector 20 inserted into the insertion cavity 101 , so that the plug connector 20 is in close contact with the boss 230 of the heat sink 200 .

As shown in FIGS. 1 to 4 , in the illustrated embodiment, the aforementioned concave portion 121 may be a sunken concave portion formed by stamping the bottom wall 120 of the housing 100 . However, the present invention is not limited thereto, and the aforementioned concave portion 121 may also be formed in other ways, for example, by molding or machining.

FIG. 5 shows a schematic perspective view of the elastic element 500 shown in FIG. 2 .

As shown in Fig. 2, Fig. 4 and Fig. 5, in the illustrated embodiment, the elastic element 500 includes a substrate portion 510 and a plurality of upwardly warped arc elastic pieces 520 formed by punching the substrate portion 510, the elastic element 500 The substrate part 510 is fitted in the recessed part 121 .

As shown in Fig. 2, Fig. 4 and Fig. 5, in the illustrated embodiment, the substrate portion 510 of the elastic element 500 is matched with the recessed portion 121, so that the elastic element 500 can be positioned in the recessed portion 121, so that it can ensure During the process of inserting the plug connector 20, the elastic element 500 does not move back and forth.

As shown in FIG. 5 , in the illustrated embodiment, at least one slot 521 is formed on each arc-shaped elastic piece 520 so as to increase the elasticity of the arc-shaped elastic piece 520 .

FIG. 7 shows a schematic diagram of setting the tongue 21 or the terminal module 400 to be able to float to avoid interference between the tongue 21 and the slot 401 .

As shown in Figures 4 and 7, in the illustrated embodiment, the receptacle connector 10 further includes a terminal module 400 disposed in the insertion cavity 101, the terminal module 400 has an insulating body and at least one of the insulating body is held in the insulating body Conductive terminal 410 . The conductive terminal 410 is adapted to make electrical contact with the plug connector 20 (see FIG. 7 ) inserted into the insertion cavity 101 .

As shown in FIGS. 4 and 7 , in the illustrated embodiment, a slot 401 is formed on the insulating body of the terminal module 400 , and the elastic contact portion 411 of the conductive terminal 410 is located in the slot 401 . The plug connector 20 has a tongue 21 adapted to be inserted into the slot 401 so as to make electrical contact with the elastic contact portion 411 of the conductive terminal 410 .

In this application, if the tongue 21 or the terminal module 400 is completely fixed and cannot float at all, there may be interference between the tongue 21 and the socket 401 due to manufacturing errors, which will cause the plug connector 20 to fail. In contact with the heat sink 200, Figure 6 shows this situation. As shown in Figure 6, at this time, the plug connector 20 is inclined to the bottom surface of the boss 230 of the radiator 200, and a gap appears between the bottom surface of the boss 230 of the radiator 200, resulting in a gap between the plug connector 20 and the radiator 200. The bottom surface of the boss 230 cannot be in contact, which will reduce the heat dissipation effect.

As shown in FIG. 4 and FIG. 7 , in the illustrated embodiment, the conductive terminal 410 has a connecting pin 412 suitable for soldering or plugging into the circuit board 30 . In one embodiment of the present invention, the conductive terminal 410 can be a flexible conductive terminal, so that the terminal module 400 can float relative to the circuit board 30, so as to prevent the tongue 21 from interfering with the slot 401 due to manufacturing errors, so as to ensure insertion into the socket 401. The plug connector 20 inserted into the cavity 101 can be in close contact with the entire bottom surface of the boss 230 of the heat sink 200 .

As shown in FIGS. 1 and 7 , in the illustrated embodiment, a plurality of socket pins 140 are formed on the bottom of the housing 100 , and the socket pins 140 are suitable for being plugged into socket holes on the circuit board 30 , so as to fix the housing 100 on the circuit board 30 .

As shown in the figure, in the illustrated embodiment, an electromagnetic shielding shrapnel 300 is installed on the four walls of the port of each insertion cavity 101 .

In another embodiment of the present invention, a plug connector mated with the aforementioned socket connector 10 is also disclosed. The plug connector is adapted to be inserted into the insertion cavity 101 of the aforementioned receptacle connector 10 . The plug connector 20 has a tongue 21 adapted to be inserted into the slot 401 of the terminal module 400 so as to be in electrical contact with the elastic contact portion 411 of the conductive terminal 410 . The plug tongue 21 is mounted on the body of the plug connector 20 in a floating manner to prevent the plug tongue 21 from interfering with the slot 401 due to manufacturing errors, thereby ensuring that the plug connector 20 inserted into the insertion cavity 101 can be connected to the heat sink 200 The entire bottom surface of the boss 230 is in close contact.

Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can improve them, and the structures described in various embodiments do not conflict with each other in terms of structure or principle Can be combined freely.

Although the present invention has been described with reference to the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to illustrate preferred embodiments of the present invention and should not be construed as a limitation of the present invention.

While certain embodiments of the present general inventive concept have been shown and described, it will be understood by those of ordinary skill in the art that changes may be made to these embodiments without departing from the principles and spirit of the present general inventive concept. The scope is defined by the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Furthermore, any element references in the claims should not be construed as limiting the scope of the invention.

Claims (15)

1. a kind of socket connector, comprising:

Shell (100) has roof (110) and bottom wall (120), is formed with opening on the roof (110) of the shell (100) (111)；With

Radiator (200) is arranged on the roof (110) of the shell (100), including is suitable for prominent via the opening (111) The boss (230) of the inside of the shell (100) is arrived out,

It is characterized by:

The radiator (200) is fixedly welded on the outer surface of roof (110) of the shell (100), and described in closing The opening (111) on shell (100).

2. socket connector according to claim 1, it is characterised in that:

The radiator (200) further includes substrate (210) and cooling fin (220), and the cooling fin (220) is located at the substrate (210) top, the boss (230) are located at the bottom of the substrate (210)；

The substrate (210) of the radiator (200) is fixedly welded on the outer surface of roof (110) of the shell (100), To close the opening (111) on the shell (100).

3. socket connector according to claim 1 or 2, it is characterised in that:

The shell (100) has at least one insertion chamber (101) being inserted into for pin connector (20), in each insertion The opening (111) is formed on the roof (110) of chamber (101)；

The radiator (200) has and at least one described at least one corresponding described boss of insertion chamber (101) (230), the boss (230) is projected into the insertion chamber (101) via the opening (111), so as to described slotting with insertion Enter pin connector (20) thermo-contact in chamber (101).

4. socket connector according to claim 3, it is characterised in that:

The shell (100) also has at least one demarcation plate (130), and the demarcation plate (130) is by the interior of the shell (100) Portion space is separated into multiple insertion chambers (101).

5. socket connector according to claim 4, it is characterised in that:

The recessed portion opposite with the opening (111) is formed on the inner surface of the bottom wall (120) of each insertion chamber (101) (121), setting has elastic component (500) in the recessed portion (121), and the elastic element (500) is inserted suitable for upward pushing tow Enter the pin connector (20) of insertion chamber (101), so that the pin connector (20) and the radiator (200) is convex Platform (230) is in close contact.

6. socket connector according to claim 5, it is characterised in that:

The recessed portion (121) is the sunk type recess portion formed by bottom wall described in punching press (120).

7. socket connector according to claim 5, it is characterised in that:

The elastic element (500) includes baseplate part (510) and is upturned by what the punching baseplate part (510) was formed The baseplate part (510) of multiple arcs elastic slice (520), the elastic element (500) is assemblied in the recessed portion (121).

8. socket connector according to claim 7, it is characterised in that:

The baseplate part (510) of the elastic element (500) matches with the recessed portion (121), so that the elastic element (500) it can be positioned in the recessed portion (121).

9. socket connector according to claim 7, it is characterised in that:

It is formed at least one slot (521) on each arc spring lamination (520), to increase the arc spring lamination (520) elasticity.

10. socket connector according to claim 3, it is characterised in that:

The socket connector (10) further includes terminal module (400) of the setting in insertion chamber (101), the Terminals Die At least one conductive terminal (410) that block (400) has insulating body and is maintained in the insulating body, the conductive terminal (410) it is suitable for being in electrical contact with the pin connector (20) for being inserted into insertion chamber (101).

11. socket connector according to claim 10, it is characterised in that:

A slot (401), the bullet of the conductive terminal (410) are formed on the insulating body of the terminal module (400) Property contact portion (411) is located in the slot (401)；

The pin connector (20) has a tongue (21), and the tongue (21) is adapted for insertion into the slot (401), To be in electrical contact with the elastic contact part (411) of the conductive terminal (410).

12. socket connector according to claim 11, it is characterised in that:

The conductive terminal (410) has the connecting pin (412) suitable for welding or being plugged on circuit board (30), the conducting end Sub (410) are compliant conductive terminal, so that the terminal module (400) can float relative to the circuit board (30), to prevent The tongue (21) is interfered with the slot (401) due to foozle, to guarantee to be inserted into the insertion chamber (101) Pin connector (20) can be in close contact with the entire bottom surface of the boss (230) of the radiator (200).

13. socket connector according to claim 12, it is characterised in that:

It is formed with multiple inserting foots (140) in the bottom of the shell (100), the inserting foot (140) is suitable for being plugged into described In spliced eye on circuit board (30), so that the shell (100) is fixed on the circuit board (30).

14. socket connector according to claim 3, it is characterised in that:

Electromagnetic shielding elastic slice (300) is installed on four walls of the port of each insertion chamber (101).

15. a kind of pin connector is adapted for insertion into the insertion chamber (101) of socket connector described in claim 11 (10) In,

The pin connector (20) has a tongue (21), and the tongue (21) is adapted for insertion into the terminal module (400) in slot (401), to be in electrical contact with the elastic contact part (411) of the conductive terminal (410),

It is characterized by:

The tongue (21) is mounted on the ontology of the pin connector (20) in a manner of relocatable, to prevent the tongue (21) interfered with the slot (401) due to foozle, to guarantee that the plug for being inserted into insertion chamber (101) connects Connecing device (20) can be in close contact with the entire bottom surface of the boss (230) of the radiator (200).