CN109962364A - socket connector - Google Patents

Abstract

The invention provides a socket connector, comprising: a first shell, a core body at least partially accommodated in the first shell, and an annular protective frame; the core body includes: a tongue portion, and an annular flange portion protruding around the tongue portion, and the annular protective frame is mounted on a front side of the flange portion. Thus, the socket connector protects the flange portion from the impact of the plug connector during the insertion and removal of the plug connector.

Description

socket connector

technical field

Embodiments of the present invention relate to an electrical connector, and more particularly, to a Type C socket connector.

Background technique

USB Type-C connectors are widely used due to their high-speed data transfer performance and miniaturization. The USB Type-C receptacle connector can support up to tens of thousands of plugging and unplugging times, has a long lifespan, a large data transfer rate, and a smaller size.

This type of connector has the problem of low design strength in the direction of connector insertion and removal in practical applications. When the connector is inserted and removed many times, the internal structure of the connector is prone to loosening, the tightness between each other is poor, and the terminal structure is easy to loosen, which affects Connector reliability and stability and other connection performance. There are many technical steps in the manufacture of connectors, and it is not easy to realize automatic production.

SUMMARY OF THE INVENTION

Embodiments of the present invention provide a socket connector, which can improve the mechanical strength of the socket connector, make the structure of the socket connector firm, and optimize the process steps.

According to an embodiment of an aspect of the present invention, there is provided a socket connector, comprising:

a first housing; a core at least partially contained within said first housing, said core comprising:

a tongue portion configured to engage with a plug connector inserted in the insertion direction; and

an annular flange portion protruding around the tongue portion; and

An annular protective frame is mounted on the front side of the flange portion.

According to an embodiment of the present invention, the protection frame includes:

an annular first body portion, the first body portion extending parallel to the insertion direction and sandwiched between the outer side of the flange portion and the first housing, the first body portion being fixedly connected to the first housing; and

An extension extending from the first body portion on the front side of the flange portion toward the tongue portion.

According to an embodiment of the present invention, the core is formed from the following components:

a first terminal assembly;

a second terminal assembly; and

a main plastic body;

The first terminal assembly and the second terminal assembly are insert-molded in the main plastic body to form the core body.

According to an embodiment of the present invention, the first terminal assembly includes:

a first plastic body; and

A first terminal group embedded in the first plastic body; and the second terminal assembly includes:

a second plastic body;

the second terminal group; and

A spacer, the spacer and the second terminal group are insert-molded in the second plastic body.

According to an embodiment of the present invention, at least one first hole is formed on the isolation sheet, and the first hole is used for insert molding the isolation sheet and the second terminal group in the second plastic body In the middle, the material of the second plastic body is made to fill the first hole, so as to keep the spacer in the second plastic body.

According to an embodiment of the present invention, at least one second hole is formed on the second terminal assembly, and an elastic joint is formed on the first plastic body of the first terminal assembly, and the elastic joint is suitable for passing through through the second hole and abut against the side of the second terminal assembly away from the first terminal assembly, so that the first terminal assembly and the second terminal assembly are insert-molded in the main plastic body. The first terminal assembly and the second terminal assembly are connected and positioned.

According to an embodiment of the present invention, at least one opening is formed on the first plastic body, and a stepped portion is formed in each of the openings;

At least one protruding hook portion is formed on the second plastic body, the hook portion abuts on the corresponding step portion, so that the first terminal assembly and the second terminal assembly are insert-molded on the main body. The first terminal assembly and the second terminal assembly are previously connected and positioned in the plastic body.

According to an embodiment of the present invention, the first body portion of the protective frame is welded to the first housing.

According to an embodiment of the present invention, the welding adopts laser spot welding.

According to an embodiment of the present invention, the connector further includes a second housing that at least partially encloses the first housing and at least partially encloses the core, and is is configured to secure the connector to the external component.

According to an embodiment of the present invention, the second casing is connected to the first casing by laser spot welding.

According to an embodiment of the invention, the second housing comprises at least two pins adapted to be inserted into corresponding holes on the outer part.

According to an embodiment of the present invention, the first casing is a tensile casing.

According to the electrical connector of the embodiment of the present invention, an annular protective frame is sleeved on the core body. The annular protective frame has an extension perpendicular to the connector insertion direction and a main body connected to the outer housing, the extension carries the force received in the insertion direction and transmits the force through the main body of the protective frame to the outer housing and then It is transmitted to the external components, thereby reducing the impact force on the core body when it is inserted and pulled out.

Description of drawings

The present invention will be described in further detail with reference to the accompanying drawings, wherein:

1 is a schematic perspective view of a receptacle connector according to an exemplary embodiment of the present invention;

FIG. 2 is an exploded schematic view of the electrical connector shown in FIG. 1;

3 shows a schematic front view of a receptacle connector according to an exemplary embodiment;

Figure 4 shows a schematic cross-sectional view along line A-A in Figure 3;

FIG. 5 shows a schematic top view of the receptacle connector shown in FIG. 3;

FIG. 6 shows a schematic right side view of the receptacle connector shown in FIG. 3;

7 is a schematic exploded perspective view showing a core body and an inner housing of a receptacle connector according to an exemplary embodiment of the present invention;

8 is a schematic perspective view illustrating a second terminal assembly according to an exemplary embodiment of the present invention;

9 is a schematic diagram illustrating a spacer and a lower terminal group of a receptacle connector according to an exemplary embodiment of the present invention;

Figure 10 shows a schematic top view of the second terminal assembly shown in Figure 8;

Figure 11 shows a schematic cross-sectional view along the line B-B in Figure 10;

Figure 12 shows a top view of a core according to an exemplary embodiment of the present invention;

Figure 13 shows a schematic cross-sectional view along line C-C in Figure 12;

Figure 14 shows another top view of the core according to an exemplary embodiment of the present invention;

Figure 15 shows a schematic cross-sectional view along line D-D in Figure 14; and

FIG. 16 shows a schematic flowchart of a method for manufacturing a socket connector according to an exemplary embodiment of the present invention.

Detailed ways

Although the present invention will be fully described with reference to the accompanying drawings containing preferred embodiments of the invention, before this description it should be understood that those of ordinary skill in the art can modify the invention described herein while obtaining the technical effects of the invention. Therefore, it is to be understood that the above description is a broad disclosure to those of ordinary skill in the art and that its content is not intended to limit the described exemplary embodiments of the present invention.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments disclosed herein. Obviously, however, one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagram form in order to simplify the drawings.

According to one general inventive concept of the present invention, there is provided a receptacle connector, the receptacle connector comprising: a first housing; a core at least partially accommodated in the first housing, the The core includes:

a tongue portion configured to engage with a plug connector inserted in the insertion direction; and

an annular flange portion protruding around the tongue portion; and

An annular protective frame is mounted on the front side of the flange portion.

1-6, a socket connector 100 according to an exemplary embodiment of the present invention includes: a first housing 1; a core 2 at least partially accommodated in the first housing 1, The core body includes: a tongue portion 21 configured to be coupled with a plug connector inserted in the insertion direction; and an annular flange portion 22 protruding around the tongue portion; and an annular protective frame 3, mounted on the front side of the flange portion. In this way, the flange portion is protected from the impact of the plug connector during the insertion and removal of the plug connector.

According to an exemplary embodiment, the electrical connector may be installed on an electronic device, such as built into a mobile phone, and as an exemplary embodiment, the socket connector may be a USB socket. It is connected to a PCB board, eg arranged in a mobile phone or a computer.

According to an exemplary embodiment of the present invention, the protective frame 3 may be connected to the first casing 1 by means of laser spot welding.

In the electrical connector according to the embodiment of the present invention, as shown in FIG. 4 , since an annular protective frame 3 is sleeved on the core body, the annular protective frame 3 has an extension 32 perpendicular to the insertion direction of the connector and is connected to The main body part 31 of the outer casing, the extension part 32 receives the force in the insertion direction received during the insertion and extraction process and transmits the force through the main body part to the first casing 1 and then to the external components, so as to protect the core body therein It reduces the impact force of insertion and extraction. Moreover, the annular coating of the protective frame enhances the strength of the core body, which improves the strength of the connector 100 as a whole.

According to an exemplary embodiment of the present invention, as shown in FIG. 16 , the core body 2 is formed of the following components: a first terminal assembly 201 , a second terminal assembly 202 and a main plastic body 203 . The first terminal assembly 201 and the second terminal assembly 202 are insert-molded in the main plastic body 203 to form the core body 2 .

According to an exemplary embodiment, as shown in FIG. 16 , the first terminal assembly 201 includes a first plastic body 2011 and a first terminal group 2012 insert-molded in the first plastic body; and the second The terminal assembly 202 includes a second plastic body 2021 , a second terminal group 2022 and a spacer 2023 . The spacer 2023 and the second terminal group 2022 are insert-molded in the second plastic body 2021 .

In the existing manufacturing method of the socket connector, the commonly used process steps are to first integrally mold the spacer in the plastic body (step 1), and then fix the upper terminal group on the upper side of the plastic body and perform insert injection molding to form the upper terminal block. Plastic body (step2), and fix the lower terminal group on the lower side of the plastic body and perform insert injection molding to form the lower plastic body (step3), and then embed the plastic body, the upper plastic body and the lower plastic body covering the spacer into one piece It is molded to form a core (step4). According to the above-mentioned exemplary embodiment of the present invention, the first terminal group 2012 is insert-molded into the first plastic body to form a first terminal assembly, that is, the upper plastic body (s1), and the spacer 2023 and the first plastic body are formed. The second terminal assembly 2022 is insert-molded in the second plastic body 2021 to form a lower plastic body component, namely the second terminal component 202 (s2), and then the first terminal component 201 and the second terminal component 202 are insert-molded in one In the main plastic body 203 , the core body 2 ( s3 ) is formed. Compared with the prior art, the manufacturing steps of the socket connector are simplified, and the core body 2 has higher strength.

FIG. 8 is a schematic perspective view illustrating the second terminal assembly 202 according to an exemplary embodiment of the present invention. 9 is a schematic side view illustrating a spacer 2023 and a second terminal group 2022 of a receptacle connector according to an exemplary embodiment of the present invention. FIG. 10 shows a schematic top view of the second terminal assembly 202 shown in FIG. 8 . FIG. 11 shows a schematic cross-sectional view along line B-B in FIG. 10 .

According to an exemplary embodiment, as shown in FIGS. 8-11 , at least one first hole 2024 is formed on the spacer sheet, and the first hole 2024 is used for connecting the spacer sheet 2023 and the second terminal group When 2022 is insert-molded in the second plastic body 2021 , the material of the second plastic body 2021 fills the first hole 2024 , so as to keep the spacer 2023 in the second plastic body 2021 .

According to an exemplary embodiment, an anchor-shaped plastic body 2027 as shown in FIG. 11 is formed in the first hole 2024 to firmly connect the spacer to the second terminal assembly 202 .

According to an exemplary embodiment, as shown in FIGS. 14 and 15 , the second terminal assembly 202 is formed with at least one second hole 2025 , and the first plastic body 2011 of the first terminal assembly 201 is formed with an elastic A joint portion 2015, the elastic joint portion 2015 is adapted to pass through the second hole 2025 and abut against the side of the second terminal assembly 202 away from the first terminal assembly, so as to connect the first terminal assembly and the The first terminal assembly and the second terminal assembly are connected and positioned before the second terminal assembly is insert-molded in the main plastic body 203 .

FIG. 12 shows a top view of a core according to an exemplary embodiment of the present invention, and FIG. 13 shows a schematic cross-sectional view taken along line C-C in FIG. 12 .

According to an exemplary embodiment, as shown in FIGS. 12 and 13 , at least one opening 2013 is formed on the first plastic body 2011 , and a step 2014 is formed in each opening 2013 ; At least one protruding hook portion 2026 is formed on the plastic body 2021, the hook portion abuts on the corresponding step portion 2014, so that the first terminal assembly and the second terminal assembly are insert-molded on the main plastic. The first terminal assembly and the second terminal assembly are connected and positioned in the body 203 before.

According to an exemplary embodiment, the first body portion 31 of the protective frame 3 is welded to the first housing 1 .

According to an exemplary embodiment, the first main body portion 31 of the protective frame 3 is welded to the first casing 1 by means of laser spot welding.

According to an exemplary embodiment, as shown in FIGS. 1-6 , the receptacle connector further includes a second housing 4 that at least partially encloses the first housing 1 and at least The core 2 is partially encased and configured to secure the connector to an external component.

According to an exemplary embodiment, as shown in FIG. 4 , the first main body portion 31 of the protective frame 3 is formed with several welding points in the peripheral direction thereof by, for example, laser spot welding, so as to connect the protective frame 3 onto the first housing 1 .

According to an exemplary embodiment, the second casing 4 is connected to the first casing 1 by laser spot welding.

According to an exemplary embodiment, as shown in FIGS. 1-6 , the second housing 4 includes at least two pins 41 which are inserted into corresponding holes (not shown) on the outer part to The connector is secured to the outer part.

According to an exemplary embodiment, the first shell 1 adopts a stretch shell, which is integrally formed, and an interference fit is adopted between the plastic core and the first shell 1, which improves the overall strength and sealing performance of the connector. .

According to an exemplary embodiment, as shown in FIG. 2 , an end of the first housing 1 on the upstream side of the insertion direction of the connector is formed with a flared mouth folded outwards, so as to facilitate the insertion of the insert (not shown). shown) guidance.

According to an exemplary embodiment, as shown in FIG. 4 , the connector further includes a sealing ring 5 sleeved on the outer side surface of the bell mouth of the first housing 1 . The sealing ring is suitable for combining with the mating component to achieve sealing when the socket connector is arranged in the electronic device, so as to better ensure the waterproof sealing performance.

According to an exemplary embodiment, as shown in FIG. 4 , a sealing compound 4 remains in the electrical connector, and the sealing compound is poured into the second housing 4 by injection, for example, and then cured to form. The encapsulant is effective to sealingly space the front end of the core of the electrical connector from the tail of the core. Prevent external dust, debris, moisture, etc. from entering the insertion front portion of the connector.

According to the electrical connector of the embodiment of the present invention, an annular protective frame is sleeved on the core body. The annular protective frame has an extension perpendicular to the connector insertion direction and a main body connected to the outer housing, the extension carries the force received in the insertion direction and transmits the force through the main body of the protective frame to the outer housing and then It is transmitted to the external components, thereby reducing the impact force on the core body when it is inserted and pulled out. And the annular cladding of the protective frame enhances the strength of the core. At the same time, in the present invention, the spacer sheet and the lower terminal are embedded in the plastic body, which simplifies the manufacturing process, and the spacer sheet and the upper and lower terminal assemblies have positioning structures to ensure mutual positioning accuracy. The embodiment of the present invention improves the sealing performance of the connector by injecting glue into the bracket shell to form the sealing glue.

Those skilled in the art can understand that the above-described embodiments are all exemplary, and those skilled in the art can make improvements thereto, and the structures described in the various embodiments do not conflict in terms of structures or principles In the case of the present invention, it can be freely combined, so as to realize more kinds of electrical connectors on the basis of solving the technical problem of the present invention.

After describing the preferred embodiments of the present invention in detail, those skilled in the art can clearly understand that various changes and modifications can be made without departing from the protection scope and spirit of the appended claims, and the present invention is not subject to Implementations limited to the exemplary embodiments set forth in the specification. 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 numbers in the claims should not be construed as limiting the scope of the invention.

Claims (13)

1. a kind of socket connector (100), comprising:

One first shell (1)；

One core (2) being at least partially accommodated into the first shell (1), the core include:

Pecker (21), is configured in conjunction with the pin connector being inserted into an insertion direction；And

The flange part (22) of annular, it is prominent around the pecker；And

One annular protect-ing frame structure (3), is mounted on the leading flank of the flange part.

2. socket connector (100) according to claim 1, wherein the protect-ing frame structure (3) includes:

One annular the first main part (31), first main part (31) are parallel to the direction of insertion and extend and be clamped in Between the outside of the flange part and the first shell (1), first main part (31) is fixedly attached to the first shell Body (1)；And

One extension (32), the extension (32) is from the first main part (31) court on the leading flank of the flange part Extend to the pecker.

3. socket connector according to claim 1, wherein the core (2) with lower component by being formed:

One first terminal component (201)；

One Second terminal component (202)；And

One main plastic body (203)；

Wherein first terminal component (201) and the Second terminal component (202) are insert molded in the main plastic body (203) And form the core (2).

4. socket connector according to claim 3, wherein

The first terminal component (201) includes:

One the first plastic body (2011)；With

It is insert molded on the intracorporal first end subgroup (2012) of first plastic cement；And

The Second terminal component (202) includes:

One the second plastic body (2021)；

Second end subgroup (2022)；And

One spacer (2023), the spacer (2023) and the second end subgroup (2022), which are embedded into, is molded over described the In two plastic bodies (2021).

5. socket connector according to claim 4, wherein

At least one first hole (2024) is formed on the spacer, first hole (2024) is used in the spacer (2023) and the second end subgroup (2022) is embedded into the when of being molded in second plastic body (2021), so that the second plastic cement The material of body (2021) fills first hole (2024), and the spacer is maintained in second plastic body.

6. socket connector according to claim 4, wherein be formed at least one on the Second terminal component (202) A second hole (2025) is formed with elastomeric joint on the first plastic body (2011) of the first terminal component (201), described Elastomeric joint is adapted to pass through second hole (2025) and is resisted against the separate first terminal component of Second terminal component (202) (201) side, to be insert molded on the master in the first terminal component (201) and the Second terminal component (202) The first terminal component is connected into positioning with the Second terminal component before in plastic body (203).

7. socket connector according to claim 4, wherein be formed at least one on first plastic body (2011) It is open (2013), is formed with a stage portion (2014) in each opening (2013)；

At least one hook portion (2026) outstanding is formed on second plastic body (2021), the hook portion is resisted against accordingly In stage portion (2014), to be insert molded on the main plastic body in the first terminal component and the Second terminal component (203) the first terminal component is connected into positioning with the Second terminal component before in.

8. socket connector according to claim 1, wherein the first main part (31) of the protect-ing frame structure (3) welds To on the first shell (1).

9. socket connector according to claim 8, wherein the welding uses laser spot welding.

10. socket connector according to claim 2, further includes:

Second shell (4), the second shell (4) at least partly coat the first shell (1) and at least partly wrap The core (2) are covered, and are configured to for the connector being fixed on external component.

11. socket connector according to claim 10, in which:

The second shell (4) is connected on the first shell (1) in a manner of laser spot welding.

12. socket connector according to claim 10, in which:

The second shell (4) includes at least two pins (41), and the pin (41) is adapted for insertion on external component accordingly Hole in.

13. socket connector according to claim 1, wherein

The first shell is stretching housing.