CN105633674B - For the connector of grafting electronic card and terminal module - Google Patents

Abstract

The invention discloses a connector for inserting an electronic card, comprising: a shell; an insulating body accommodated in the shell and having a cavity for inserting an electronic card; and a plurality of terminals held in the insulating body wherein each terminal has a resilient cantilever with a contact point in electrical contact with an inserted electronic card and a pad resting on the pad. The connector also includes a plurality of blocking pieces, each of the blocking pieces is located above the free end of a corresponding one of the elastic cantilever and is opposite to the gasket, thereby restricting the free end of the elastic cantilever to the Between the blocking piece and the gasket, the free end of the elastic cantilever of the terminal is effectively prevented from warping upward and deforming too much, which prolongs the service life of the terminal.

Description

Connectors and terminal modules for plugging electronic cards

technical field

The invention relates to a connector, in particular to a connector for inserting an electronic card, especially a SIM card, and a terminal module.

Background technique

In the prior art, as shown in Figure 1, the connector for plugging in an electronic card, especially a SIM card for a mobile phone, mainly includes a shell (not shown), an insulating body 1 accommodated in the shell, and an insulating body 1 held in the insulating body 1. Multiple terminals 10 in.

FIG. 2 shows an enlarged schematic view of a terminal 10 in FIG. 1 , and FIG. 3 shows a cross-sectional view of the terminal 10 shown in FIG. 2 . As shown in FIGS. 2 and 3 , in the prior art, each terminal 10 has a resilient cantilever 11 with a contact 13 for electrical contact with an inserted electronic card 20 .

In order to prevent the terminal 10 from being crushed when the electronic card is plugged in and out, as shown in Figure 2 and Figure 3, in the prior art, each terminal 10 also has a gasket 12, and the elastic cantilever 11 of each terminal 10 The free end 11a rests on the spacer 12 . In this way, when the electronic card 20 is inserted and pulled out, the free end 11a of the elastic cantilever 11 can slide back and forth along the gasket 12, as shown in FIG. If it is too large, the function of terminal 10 will fail.

However, in the prior art, after the electronic card 20 is repeatedly plugged and pulled out for a long time, the free end 11a of the elastic cantilever 11 of the terminal 10 may warp upward, as shown by the dotted line in FIG. When the free end 11a warps upward and deforms too much, it will also lead to the failure of the function of the terminal 10 .

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.

An object of the present invention is to provide a connector, which can prevent terminals from being crushed during the process of plugging and unplugging an electronic card, thereby prolonging the service life of the connector.

According to one aspect of the present invention, there is provided a connector for inserting an electronic card, comprising: a housing; an insulating body accommodated in the housing and having a cavity for inserting an electronic card; and a plurality of terminals holding In the insulating body, each terminal has a resilient cantilever with a contact point electrically contacting the inserted electronic card and a free end resting on the spacer, and a spacer. The connector also includes a plurality of blocking pieces, each of the blocking pieces is located above the free end of a corresponding one of the elastic cantilever and is opposite to the spacer, thereby restricting the free end of the elastic cantilever to the between the barrier piece and the gasket.

According to an embodiment of the present invention, the free end of the elastic cantilever includes: a pair of side wings respectively extending outward from both sides of the elastic cantilever, and the pair of side wings are rested on the gasket; and a distal portion extending forward from the pair of side wings such that the entire free end is substantially T-shaped.

According to another embodiment of the present invention, an opening is formed on the spacer, the tip of the free end of the elastic cantilever is accommodated in the opening of the spacer; and the side wings of the elastic cantilever rest on the spacer. The gasket is located on the upper surface on both sides of the opening.

According to another embodiment of the present invention, the blocking piece is located above the tip of the free end of the elastic cantilever to limit the free end of the elastic cantilever from warping upward.

According to another embodiment of the present invention, the blocking piece partially or completely covers the tip of the free end of the elastic cantilever.

According to another embodiment of the present invention, each of the terminals includes a frame-shaped fixing part held in the insulating body, the elastic cantilever is accommodated in an opening of the frame-shaped fixing part; and the elastic cantilever, The spacer and the blocking piece are connected to the frame-shaped fixing part.

According to another embodiment of the present invention, the elastic cantilever includes a base end opposite to the free end, the base end being connected to the frame-shaped fixing part.

According to another embodiment of the present invention, the blocking piece is a belt-shaped part connected to the frame-shaped fixing part, and the blocking piece is substantially perpendicular to the elastic cantilever.

According to another embodiment of the present invention, the connector is a connector for inserting a SIM card.

According to another embodiment of the present invention, the insertion direction of the SIM card is substantially parallel to the extension direction of the elastic cantilever of the terminal.

According to another aspect of the present invention, there is provided a terminal module, which can be used in electronic card connectors, comprising: an insulating body, and a plurality of terminals held in the insulating body, wherein each terminal has an elastic cantilever and a A spacer, the resilient cantilever having contacts for electrical contact with an inserted electronic card and a free end resting on the spacer. Each terminal also includes a blocking piece, the blocking piece is located above the free end of the elastic cantilever and is opposite to the spacer, so that the free end of the elastic cantilever is limited between the blocking piece and the spacer between.

In each of the above-mentioned embodiments of the present invention, since each terminal further includes a blocking piece located above the free end of the elastic cantilever, the free end of the elastic cantilever can be limited between the blocking piece and the washer, thereby effectively The free end of the elastic cantilever of the terminal is prevented from warping and deforming excessively upwards, thereby prolonging the service life of the terminal.

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 an electronic card connector in the prior art, where the housing is removed;

Fig. 2 shows an enlarged schematic diagram of a terminal of the connector shown in Fig. 1;

Figure 3 shows a cross-sectional view of the terminal described in Figure 2, showing the electronic card to be inserted;

Figure 4a shows a schematic diagram of the free end of the terminal shown in Figure 3 sliding back and forth on the gasket;

Fig. 4b shows a schematic diagram of upward warping deformation of the free end of the terminal shown in Fig. 3 after long-term repeated plugging and unplugging of the electronic card;

Figure 5 shows a schematic diagram of a terminal of a connector according to an embodiment of the present invention;

Figure 6a shows a partially enlarged schematic view of the terminal shown in Figure 5, wherein a part of the blocking sheet is removed to show the free end of the elastic cantilever of the terminal;

Figure 6b shows a partially enlarged schematic view of the terminals shown in Figure 5; and

Figure 7 shows a partial cross-sectional view of the terminal shown in Figure 6b.

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, there is provided a connector for inserting an electronic card, comprising: a housing; an insulating body accommodated in the housing and having a cavity for inserting an electronic card; and a plurality of terminals , held in the insulating body, wherein each terminal has a resilient cantilever with a contact point in electrical contact with an inserted electronic card and a free end resting on the spacer, and a spacer. The connector also includes a plurality of blocking pieces, each of the blocking pieces is located above the free end of a corresponding one of the elastic cantilever and is opposite to the spacer, thereby restricting the free end of the elastic cantilever to the between the barrier piece and the gasket.

Although not shown in the figure, in one embodiment of the present invention, a connector for inserting an electronic card mainly includes a shell, an insulating body and a plurality of terminals. The insulating body is accommodated in the casing and has an accommodating cavity for inserting an electronic card. A plurality of terminals are held in the insulating body, and the plurality of terminals may include signal terminals, power terminals and detection terminals.

In an embodiment of the present invention, the connector may be a connector for inserting a SIM card. The insertion direction Y of the SIM card (please refer to FIG. 1 of the prior art) is roughly parallel to the extending direction of the elastic cantilever of the terminal. However, please note that the connector of the present invention is not limited to the SIM card connector, and it may also be a connector for inserting other types of electronic cards.

FIG. 5 shows a schematic diagram of a terminal 100 of a connector according to an embodiment of the present invention.

As shown in FIG. 5 , each terminal 100 has a resilient cantilever 110 with a contact 113 electrically contacting an inserted electronic card and a free end 111 resting on the washer 120 , and a pad 120 .

Please continue to refer to FIG. 5, in one embodiment of the present invention, each terminal 100 further includes a blocking piece 130, which is located above the free end 111 of the elastic cantilever 110 and opposite to the washer 120, so that the elastic The free end 111 of the cantilever 110 is confined between the blocking piece 130 and the spacer 120 . In this way, the problem of upward warping and deformation of the free end 111 of the elastic cantilever 110 of the terminal 100 after long-term repeated plugging and unplugging of the electronic card can be effectively prevented, thereby preventing the terminal 100 from being crushed and failing, and prolonging the service life of the connector .

Although in the illustrated embodiment, each blocking piece 130 is formed by a corresponding terminal 100 , the present invention is not limited to the illustrated embodiment, and each blocking piece 130 may also be formed by an insulating body.

FIG. 6 a shows a partially enlarged schematic diagram of the terminal 100 shown in FIG. 5 , wherein a part of the blocking sheet 130 is removed to show the free end 111 of the elastic cantilever 110 of the terminal 100 .

As shown in FIG. 6a, in one embodiment of the present invention, the free end 111 of the elastic cantilever 110 includes a pair of side wings 111a and a tip 111b. A pair of side wings 111 a respectively extend outward from two sides of the elastic cantilever 110 , and the pair of side wings 111 a rest on the spacer 120 . A tip portion 111b extends forward from the pair of side wing portions 111a such that the entire free end 111 has a substantially T-shape.

Please continue to refer to FIG. 6 a , in the illustrated embodiment, an opening 120 b is formed on the spacer 120 , and the tip 111 b of the free end 111 of the elastic cantilever 110 is accommodated in the opening 120 b of the spacer 120 . The side wings 111a of the elastic cantilever 110 rest on the upper surface 120a of the gasket 120 on both sides of the opening 120b.

In the illustrated embodiment, since the tip 111b of the free end 111 of the elastic cantilever 110 is accommodated in the opening 120b of the gasket 120, only the side wings 111a of the elastic cantilever 110 are in contact with the gasket 120, thus reducing The contact area between the free end 111 of the elastic cantilever 110 and the washer 120 reduces the frictional resistance between the free end 111 of the elastic cantilever 110 and the washer 120, which is beneficial to the free end 111 of the elastic cantilever 110 when the electronic card is inserted and pulled out. The gasket 120 slides smoothly, which can also reduce the operation force of inserting the electronic card, and facilitate the smooth insertion of the electronic card.

Fig. 6b shows a partially enlarged schematic diagram of the terminal 100 shown in Fig. 5; and Fig. 7 shows a partial cross-sectional view of the terminal 100 shown in Fig. 6b.

As shown in FIG. 6b and FIG. 7 , in an embodiment of the present invention, the blocking sheet 130 is located above the tip 111b of the free end 111 of the elastic cantilever 110 to limit the free end 111 of the elastic cantilever 110 from warping upward.

In the illustrated embodiment, as shown in FIG. 6 b , the blocking piece 130 partially covers the tip 111 b of the free end 111 of the elastic cantilever 110 . However, the present invention is not limited to the illustrated embodiment, and the blocking piece 130 can also completely cover the tip portion 111b of the free end 111 of the elastic cantilever 110 .

Please return to FIG. 5 , in the illustrated embodiment, each terminal 100 includes a frame-shaped fixing portion 101 held in an insulating housing (not shown), and the elastic cantilever 110 is accommodated in the opening of the frame-shaped fixing portion 101 .

As clearly shown in FIG. 5 , the elastic cantilever 110 , the spacer 120 and the blocking piece 130 are all connected to the frame-shaped fixing part 101 .

In the illustrated embodiment, as shown in FIG. 5 , the resilient cantilever 110 includes a base end 112 opposite a free end 111 . The base end 112 of the elastic cantilever 110 is connected to one end of the frame-shaped fixed part 101 , the pad 120 is connected to the other end of the frame-shaped fixed part 101 , and the blocking piece 130 is connected to one side of the frame-shaped fixed part 101 .

As shown in FIG. 5 , in one embodiment of the present invention, the blocking piece 130 is a belt-shaped component connected to the frame-shaped fixing portion 101 , and the blocking piece 130 is substantially perpendicular to the elastic cantilever 110 .

Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to illustrate the implementation 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, herein, 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 (10)

1. a kind of connector for grafting electronic card, including：

Shell；

Insulating body accommodates in the housing, has the accommodating chamber for being inserted into electronic card；With

Multiple terminals (100), are maintained in the insulating body, wherein

Each terminal (100) tool there are one elastic cantilever (110) and a gasket (120), the elastic cantilever (110) with The contact (113) of the electronic card electrical contact of insertion and the free end (111) being shelved on the gasket (120),

It is characterized in that：

The connector further includes multiple barrier sheets (130), and each barrier sheet (130) is positioned at the corresponding elasticity The top of the free end (111) of cantilever (110) and with the gasket (120) relatively, so as to by the elastic cantilever (110) from By (111) is held to be limited between the barrier sheet (130) and the gasket (120),

The free end (111) of the elastic cantilever (110) includes：

A pair of of flank section (111a), extends outwardly respectively from the both sides of the elastic cantilever (110), the pair of flank section (111a) is laid on the gasket (120)；With

One distal tip (111b), extends forward from the pair of flank section (111a),

Opening (120b) there are one being formed on the gasket (120), the end of the free end (111) of the elastic cantilever (110) Taper (111b) is contained in the opening (120b) of the gasket (120)；And

What the flank section (111a) of the elastic cantilever (110) was shelved on the gasket (120) is located at the opening (120b) On the upper surface (120a) of both sides.

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

The connector be for grafting SIM card connector, the entire free end (111) of the elastic cantilever (110) In general t-shaped.

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

The barrier sheet (130) is positioned at the top of the distal tip (111b) of the free end of the elastic cantilever (110) (111), limit Make free end (111) upturned deformation of the elastic cantilever (110).

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

The barrier sheet (130) partly or wholly covers the distal tip of the free end (111) of the elastic cantilever (110) (111b)。

5. according to the connector described in any one of claim 1-4, it is characterised in that：

Each terminal (100) is including remaining to the frame-type fixed part (101) in the insulating body, the elastic cantilever (110) it is contained in the opening of the frame-type fixed part (101)；And

The elastic cantilever (110), the gasket (120) and the barrier sheet (130) are connected to the frame-type fixed part (101) On.

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

The elastic cantilever (110) includes the base end (112) opposite with free end (111), and the base end (112) is connected to On the frame-type fixed part (101).

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

The barrier sheet (130) is the strip-shaped members for being connected to the frame-type fixed part (101), and the barrier sheet (130) It is approximately perpendicular to the elastic cantilever (110).

8. connector according to claim 1, it is characterised in that：The connector is the connector for grafting SIM card.

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

The direction of insertion (Y) of the SIM card is roughly parallel to the extending direction of the elastic cantilever (110) of the terminal (100).

10. a kind of terminal module, available for electronic card coupler, including：

Insulating body and

Multiple terminals (100), are maintained in the insulating body, wherein

Each terminal (100) tool there are one elastic cantilever (110) and a gasket (120), the elastic cantilever (110) with The contact (113) of the electronic card electrical contact of insertion and the free end (111) being shelved on the gasket (120),

It is characterized in that：

Each terminal further includes a barrier sheet (130), and the barrier sheet (130) is positioned at the freedom of the elastic cantilever (110) Hold the top of (111) and with the gasket (120) relatively, so that the free end (111) of the elastic cantilever (110) be limited in Between the barrier sheet (130) and the gasket (120),

The free end (111) of the elastic cantilever (110) includes：

A pair of of flank section (111a), extends outwardly respectively from the both sides of the elastic cantilever (110), the pair of flank section (111a) is laid on the gasket (120)；With

One distal tip (111b), extends forward from the pair of flank section (111a),

Opening (120b) there are one being formed on the gasket (120), the end of the free end (111) of the elastic cantilever (110) Taper (111b) is contained in the opening (120b) of the gasket (120)；And

What the flank section (111a) of the elastic cantilever (110) was shelved on the gasket (120) is located at the opening (120b) On the upper surface (120a) of both sides.