CN201699185U - A double-layer SIM card connector - Google Patents

Abstract

A double-layer SIM card connector, the SIM card connector includes a housing (3), a frame (1) and a plurality of terminals (14, 15, 16, 17), the frame includes a The mounting plate (18) of the plurality of terminals, two spaces for accommodating SIM cards are formed between the housing (3) and the frame (1), and the plurality of terminals (14, 15, 16, 17) Comprising a base portion for embedding the mounting board and a bent portion for contacting the SIM card, and a plurality of terminals (14, 15) bent upwards and a plurality of terminals (16, 17) bent downwards Placed on the mounting plate in a manner spaced apart from each other, when the two SIM cards are respectively inserted into the connector forwardly or reversely, the terminals on the bottom surface of the upper SIM card and the upwardly bent multiple The terminals (14, 15) are in contact with each other, while the terminals on the top surface of the SIM card on the lower layer are in contact with the downwardly bent terminals (16, 17).

Description

A double-layer SIM card connector

technical field

The utility model relates to an electronic connector, in particular to a double-layer SIM card connector.

Background technique

With the development of communication technology, dual-card dual-standby mobile phones have been widely used, and the market share has also continued to increase. Some dual-card dual-standby mobile phones in the prior art realize dual-card dual-standby through two SIM connectors, and some realize dual-card dual-standby through double-layer SIM connectors.

Some double-layer SIM connectors insert SIM cards into the connector in parallel, while the connector is assembled from the upper and lower layers, and the upper and lower layers are respectively molded by insert molding, and then other components are assembled. In the above-mentioned manufacturing process, insert molding needs to be performed twice, so two sets of insert molds and two sets of terminal molds are required, and it is relatively waste; in addition, the assembly of the upper and lower layers will cause the problem of the flatness of the terminal solder feet.

Utility model content

In view of the technical problems mentioned in the background art above, the purpose of this utility model is to overcome at least one aspect of the defects and problems in the prior art.

One aspect of the present utility model provides a double-layer SIM card connector, the SIM card connector includes a housing, a frame and a plurality of terminals, the frame includes a mounting plate for embedding the plurality of terminals, Two spaces for accommodating SIM cards are formed between the housing and the frame, and the plurality of terminals include a base for embedding the mounting board and a bent portion for contacting the SIM card, and are bent upward A plurality of terminals and a plurality of downwardly bent terminals are placed on the mounting board in a manner spaced from each other. When two SIM cards are respectively inserted into the connector forwardly or reversely, the upper-layer The terminals on the bottom surface of the SIM card are in contact with the plurality of upwardly bent terminals, while the terminals on the top surface of the lower SIM card are in contact with the plurality of downwardly bent terminals.

According to an embodiment of the present invention, at least one protrusion is provided in the middle of the two sides of the frame, and the housing has an installation hole snap-fitted with the protrusion.

Preferably, the plurality of terminals are divided into two rows along the longitudinal direction of the frame, and each row has three upwardly bent terminals and three downwardly bent terminals.

Preferably, the frame is made of plastic.

Preferably, the constituent material of the housing is metal.

Another aspect of the present utility model provides a kind of manufacturing method of above-mentioned dual-layer SIM card connector, and it comprises the following steps:

Front and back stamping of the metal strip using a continuous die to form a plurality of upwardly bent terminals and downwardly bent terminals spaced apart from each other;

putting the metal strip including the plurality of terminals into a mold, and injection molding together with the plastic insulator, thereby forming a frame with a plurality of terminals;

cut away the junctions between the terminals, leaving each terminal separate; and

The casing is assembled on the frame, and a space for accommodating the SIM card is formed between the casing and the frame.

The technical effect of at least one aspect of the present invention is that the connector of the present invention is formed by insert molding once, and then other components are assembled. Therefore, only one set of insert mold and one set of terminal mold are needed to manufacture the connector, and the manufacturing process saves raw materials, thereby saving costs; in addition, the assembly process of the product is simplified; more importantly, due to the use of one insert molding , so as to ensure the flatness of the terminal solder feet and improve the quality of the product.

Description of drawings

These and/or other aspects and advantages of the exemplary embodiments of the present invention will become apparent and easier to understand from the following description of the embodiments in conjunction with the accompanying drawings, in which:

Fig. 1 is the schematic diagram of the decomposition of double-layer SIM card connector described in the utility model;

Fig. 2 is a schematic diagram of horizontally rotating the components shown in Fig. 1 by 180 degrees;

Fig. 3 is a schematic diagram of assembling the dual-layer SIM card connector of the present invention with two SIMs.

Detailed ways

The following is a description of the specific implementation of the utility model based on specific examples. Those skilled in the art can easily understand the structure, advantages and effects of the utility model from the content disclosed in the following examples.

The utility model can also be implemented or applied by other different specific examples, and various modifications and changes can be made to the details in this specification based on different viewpoints and applications without departing from the overall concept of the utility model.

Furthermore, the following drawings are all simplified schematic diagrams, and only illustrate the basic idea of the utility model in a schematic manner, so only the components related to the utility model are shown in the drawings rather than the number and shape of components in actual implementation. and size drawing, the type, quantity and proportion of each component can be changed at will during actual implementation, and the layout of the components may be more complex.

Referring to accompanying drawing 1 and Fig. 2, accompanying drawing 1 has shown the schematic diagram of double-layer SIM card connector according to an embodiment of the present utility model, and accompanying drawing 2 has shown that the parts shown in Fig. 1 are horizontally rotated 180 degrees schematic diagram. As shown in accompanying drawing 1 and 2, SIM card connector comprises housing 3, framework 1 and a plurality of terminals 14,15,16,17, and framework comprises a mounting plate 18 for embedding a plurality of terminals, and housing 3 Two spaces for accommodating the SIM card are formed between the frame 1, and the plurality of terminals 14, 15, 16, 17 include a base for embedding the mounting board and a bending portion for contacting the SIM card, and are bent upward The plurality of terminals 14, 15 and the downwardly bent plurality of terminals 16, 17 are placed on the mounting board in a spaced manner from each other.

As shown in Figure 3, when two SIM cards 12, 13 are respectively inserted into the connector forwardly or reversely, the terminals on the bottom surface of the upper SIM card are in contact with the upwardly bent terminals 14, 15, The terminals on the top surface of the SIM card located on the lower layer are in contact with the downwardly bent terminals 16 , 17 .

In a preferred embodiment, referring to accompanying drawings 1 and 2, the middle parts on both sides of the frame 1 have two protruding parts 4, 5 and two protruding parts 8, 9 respectively, and the two sides of the housing 3 have respectively protruding parts and protruding parts Mounting holes 6, 7, 10, 11 of parts 4, 5, 8, 9 snap fit. The frame 1 and the housing 3 are fixedly connected by using the protrusions 4 , 5 , 8 , 9 to cooperate with the mounting holes 6 , 7 , 10 , 11 .

According to the present invention, the above-mentioned protrusions and the mounting holes matched therewith can also be provided in one or more.

A plurality of terminals 14, 15, 16, 17 are divided into two rows along the longitudinal direction of the frame, each row having three upwardly bent terminals and three downwardly bent terminals, respectively. The frame is made of plastic, and the shell is made of metal.

In addition, the utility model provides a manufacturing method of a double-layer SIM card connector. According to a preferred embodiment, the manufacturing method includes the following steps: using a set of continuous molds to carry out positive and negative stamping on the metal strip 2, thereby forming the spaced apart A plurality of terminals 14, 15 bent upward and a plurality of terminals 16, 17 bent downward; the metal strip 2 including the plurality of terminals is put into a mold, and injection molded together with a plastic insulator, thereby forming A frame with a plurality of terminals; cut off the connection between the terminals, so that each terminal remains independent; a case is assembled to the frame, and a space for accommodating a SIM card is formed between the case and the frame. Thus, the manufacture of the dual-layer SIM card connector is completed.

Although the embodiment of the utility model has been shown and described, those skilled in the art can understand that the embodiment can be changed without departing from the principle and essence of the utility model, and the protection of the utility model The scope is defined in the claims and their equivalents.

Claims (5)

1. A double-deck SIM card connector, the SIM card connector includes a housing (3), a frame (1) and a plurality of terminals (14, 15, 16, 17), and the frame includes a The mounting plate (18) of the plurality of terminals is established, and two spaces for accommodating SIM cards are formed between the housing (3) and the frame (1), and it is characterized in that, The multiple terminals (14, 15, 16, 17) include a base for embedding the mounting board and a bent portion for contacting the SIM card, and the multiple terminals (14, 15) bent upwards and A plurality of downwardly bent terminals (16, 17) are placed on the mounting plate in a manner spaced apart from each other. When two SIM cards are respectively forwardly or reversely inserted into the connector, the terminals located on the upper floor The terminals on the bottom surface of the SIM card are in contact with the upwardly bent terminals (14, 15), while the terminals on the bottom surface of the SIM card are in contact with the downwardly bent terminals (16, 17). touch. 2. The dual-layer SIM card connector according to claim 1, characterized in that, the middle part of both sides of the frame (1) has at least one convex portion (4, 5), and the housing (3) has It has installation holes (6, 7) snap fit with the protrusions (4, 5). 3. The double-layer SIM card connector according to claim 1, characterized in that, the plurality of terminals (14, 15, 16, 17) are divided into two rows along the longitudinal direction of the frame, and each row has respectively Three terminals bent up and three terminals bent down. 4. The dual-layer SIM card connector according to claim 1, wherein the frame is made of plastic. 5. The dual-layer SIM card connector according to claim 1, wherein the material of the housing is metal.

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