TWM494971U - Card-reader structure - Google Patents

Description

Card reader structure

This creation is about a card reader structure, especially a card reader structure that allows an electronic card to be inserted and read an electronic card signal.

According to the advancement of modern science and technology, many electronic and electrical products have been continuously innovating and advancing, and gradually entered the era of digitalization. Therefore, digital technology products are constantly being updated, such as digital televisions, digital audio, MP3, digital cameras, electronic dictionaries. , PDA or other electronic products, and in many digital products, usually by memory card to remember, access data, update memory data, etc., and then read or store the data inside the memory card through the card reader. However, in order to be easy to use and easy to carry, many electrical products are designed in a light, thin, short, and small direction, and the internal components must be reduced in size. Therefore, it is necessary to design a smaller memory card power supply product. .

Currently, the memory cards on the market are roughly MMC (Multi Media Card), CF (Compact Flash Card), SMC (Smart Media Card), MS (Memory Stick), SD (Secure Digital Memory Card), etc., and many have been introduced one after another. Memory cards with smaller size and larger capacity, such as Mini SD, MS Duo, Trans Flash (MIRCO SD).

In addition, the card reader is an interface between the memory card and the computer host. The USB jack of the computer host can be used for data transmission by the card reader, so that the card reader can be quickly inserted through hot plugging. It is quickly read by the computer host. However, the card readers on the market are relatively large in size, occupying too much space, and being inconvenient to carry due to excessive volume, which also increases the overall weight of the card reader, making the card reader unable to Plug directly into the USB jack of the computer host, you can only purchase the USB cable for connection, in order to transmit the purpose, resulting in increased use costs, and resulting in the lack of wire around the computer host.

Therefore, how to solve the above-mentioned lack of inconvenience and inconvenience, and develop a card reader with a USB connection, an external memory card, and a light and short card reader, which is the direction of the relevant industry Where.

It can be seen that there are still many shortcomings in the above-mentioned conventional structure, which is not a good designer, but needs to be improved.

In view of the shortcomings derived from the above-mentioned conventional structure, the creators of this case have improved and innovated, and after years of painstaking research, they finally succeeded in researching and developing the structure of this card reader.

The purpose of the present invention is that the circuit board can be elastically fastened and fixed to each other through the elastic piece body and the housing disposed on the circuit board, thereby achieving the purpose of simple buckle and assembly.

Another purpose of the present invention is to directly solder and fix the conductive terminal and the circuit board, thereby simplifying the process and cost.

Another object of the present invention is that the cover can be inserted and fixed with another electrical connector to provide electrical connection between the electrical connectors of the two different specifications and the electronic device.

In order to achieve the above object, the card reader structure of the present invention comprises a circuit board, a casing for accommodating the circuit board, and a cover covering the casing; the first side of the circuit board is arranged A plurality of contact pads are arranged, the contact pads are in conformity with the USB 2.0 specification, and a connector is formed between the contact pads and the housing; the second side of the circuit board is soldered and fixed with a conductive terminal and an elastic piece. The elastic sheet system elastically extends outward from the second side of the circuit board, and a buckle portion having a larger volume extends from the front end of the elastic sheet body, so that the elastic sheet body has a slightly convex structure as a whole; the circuit board is Inserted in the housing, the elastic sheet on the circuit board and the accommodating space formed by the retaining portion and the extending portion of the elastic piece body latching portion of the elastic body are respectively fastened and fixed to each other. The circuit board is stabilized in the casing, and an electronic card accommodating space is formed between the second side of the circuit board and the casing. When the electronic card is inserted, the electrical device can be respectively passed through the connector and the corresponding electronic device. Sexual connection, the purpose of reading the signal inside the electronic card.

In order to achieve the above other object, the soldering portion of the conductive terminal of the present invention is directly soldered and fixed to the soldering portion on the circuit board, and compared with the conventional card reader, the first need to fix the conductive terminal to a body, and then through The main body solders the conductive terminals to the circuit board, and the manufacturing process simplifies the process and reduces the manufacturing cost, thereby achieving the other object.

In order to achieve the above other object, the cover of the present invention can be fixed to fix another second electrical connector, and the soldering portion of the electrical connector is soldered to the circuit board, so that the cover and the housing are mutually After the cover, the user can connect the connector formed between the circuit board and the housing or the second electrical connector to other electronic devices to achieve another object of the present invention.

1‧‧‧ boards

11‧‧‧Contact mat

12‧‧‧ Conductive terminal welding

13‧‧‧Electronic sheet welding

14‧‧‧Connector Welding Department

2‧‧‧Electrical terminals

21‧‧‧Weld Department

22‧‧‧Connecting Department

23‧‧‧Contacts

3‧‧‧Elastic sheet

31‧‧‧Weld Department

32‧‧‧Connecting Department

33‧‧‧Snap Department

4‧‧‧Shell

41‧‧‧ first opening

42‧‧‧second opening

43‧‧‧Chute

44‧‧‧stop

45‧‧‧Limited

46‧‧‧Snap slot

47‧‧‧Electronic card housing space

5‧‧‧ cover

6‧‧‧First connector

7‧‧‧Electronic card

8‧‧‧Second connector

81‧‧‧Welding Department

The first picture is a three-dimensional exploded view of the structure of the present card reader.

The second figure is a partial exploded perspective view of the structure of the present card reader.

The third figure is a further partial exploded perspective view of the structure of the present card reader.

The fourth figure is a schematic diagram of the internal structure of the shell of the structure of the present card reader.

The fifth figure is a schematic diagram of the circuit board of the structure of the present card reader being assembled in the casing.

The sixth figure is a three-dimensional structure diagram of the structure of the present card reader.

The seventh picture is a schematic diagram of the structure of the electronic card insertion of the structure of the present card reader.

The eighth figure is a three-dimensional exploded view of another implementation structure of the structure of the present card reader.

The ninth figure is a three-dimensional combination diagram of another implementation structure of the structure of the present card reader.

The above and other objects, features and advantages of the present invention will become more apparent and understood.

Referring to FIG. 1 to FIG. 6 , the structure of the card reader of the present invention comprises: a circuit board 1 , the first side of the circuit board 1 is provided with a plurality of contact pads 11 arranged in circuit wiring, and the contact pad The arrangement and specifications of the body 11 are in accordance with the USB 2.0 specification; the second side of the circuit board 1 is provided with a plurality of conductive terminal soldering portions 12 for soldering the conductive terminals to each other, and the conductive terminal soldering portion 12 is provided with a soldering portion 12 The elastic sheet body 13 can be used to weld the elastic sheet body; the plurality of conductive terminals 2 include a soldering portion 21 and a connecting portion 22 extending from the soldering portion 21, and the front end of the connecting portion 22 extends a contact portion 23 that overlaps with the electronic card, wherein the conductive terminal 2 is directly soldered and fixed to the conductive terminal soldering portion 12 of the circuit board 1 through the soldering portion 21, and when the conductive terminal 2 is soldered to the circuit board 1, the conductive terminal 2 is soldered to the circuit board 1. The contact portion 23 extends away from the circuit board 1 and passes through the connecting portion 22 to enable the contact portion 23 to elastically reciprocate relative to the connecting portion; An elastic sheet body 3, which is a metal sheet-like structure in this embodiment, and includes a welded portion 31 and a connecting portion 32 extending from the welded portion 31, and the front end portion of the connecting portion 32 has a a larger portion of the latching portion 33, the width of the latching portion 33 is wider than that of the connecting portion 32. Therefore, the elastic sheet body 3 has a convex shape as a whole when viewed from above; when the elastic sheet body 3 passes through After the soldering portion 31 and the elastic sheet soldering portion 13 of the circuit board 1 are soldered and fixed to each other, the latching portion 33 extends away from the circuit board 1 , and the latching portion 33 passes through the connecting portion 32 relative to the soldering portion. 31 is elastically reciprocating; a housing 4 is formed with an accommodating space in the housing 4, and a first opening 41 and a second opening 42 are formed on the two sides of the accommodating space, respectively. The first opening 41 is smaller than the second opening 42. Specifically, the first opening 41 is sized to conform to the USB 2.0 specification, and the second opening 42 has two sides on the inner edge of the housing 4. A sliding groove 43 for guiding the positioning of the circuit board 1 is respectively provided, and the bottom surface of the inner edge of the second opening 42 is respectively facing The retaining portion 44 of the lateral stop and the retaining portion 45 of the longitudinal stop are integrally extended in the direction of the space. Specifically, the limiting portion 45 is respectively disposed at two sides of the stopping portion 44. And forming a space corresponding to the buckle portion 33 of the elastic sheet 3 substantially corresponding to a snap groove 46; a cover 5 covering the shell 4 The two openings 42 allow the housing 4 to be received and positioned within the housing 4 through the cover of the cover 5.

When the assembly is to be performed, the circuit board 1 is inserted from the second opening 42 of the housing 4, and the circuit board 1 is guided through the sliding slot 43 on both sides of the second opening 42 toward the first opening 41. When the circuit board 1 is continuously inserted in the direction of the first opening 41, the latching portion 33 of the elastic piece 3 slides into the buckle formed by the stopping portion 44 and the limiting portion 45 of the housing 4. In the slot 46, the stopping portion 44 and the limiting portion 45 can position the locking portion 33 of the elastic piece 3 to be positioned. The elastic sheet body 3 and the housing 4 are fastened to each other, so that the circuit board 1 is stably received in the housing 4, and the second opening 42 of the housing 4 is covered by the cover body 5 to complete the assembly.

Referring to FIG. 7 , after the circuit board 1 is inserted into the position by the above assembly, an electronic card accommodating space 47 is formed between the second side of the circuit board 1 and the housing 4, and the first circuit board 1 is formed. A first connector 6 conforming to the USB specification is formed between the side and the housing 4; thereby, after the electronic card 7 is inserted, the first connector 6 can be electrically connected to the corresponding electronic device respectively. The purpose of reading the signal in the electronic card 7 is read.

Please refer to the eighth embodiment and the ninth figure, which is a schematic diagram of another embodiment of the present invention. In this embodiment, the cover 5 is connected to a second connector 8. In this embodiment, the first The second connector 8 is disposed on the cover 5 and is a Micro USB connector, and the end of the second connector 8 extends with a plurality of soldering portions 81 arranged in upper and lower rows. Arranged, the upper and lower rows are arranged to be soldered to the connector soldering portion 14 on the circuit board 1, so that the second connector 8 can be electrically connected to the circuit board 1; thereby, After the electronic card 7 is inserted, the first connector 6 or the second connector 8 can be electrically connected to the corresponding electronic device to achieve the purpose of reading the signal in the electronic card 7.

The detailed description above is a detailed description of one of the possible embodiments of the present invention, and the embodiment is not intended to limit the scope of the patents, and the equivalent implementations or modifications that are not included in the spirit of the present invention should be included in The patent scope of this case. The scope of protection of this creation should be as described in the scope of the patent application described later.

1‧‧‧ boards

11‧‧‧Contact mat

12‧‧‧ Conductive terminal welding

13‧‧‧Electronic sheet welding

2‧‧‧Electrical terminals

21‧‧‧Weld Department

22‧‧‧Connecting Department

23‧‧‧Contacts

3‧‧‧Elastic sheet

31‧‧‧Weld Department

32‧‧‧Connecting Department

33‧‧‧Snap Department

4‧‧‧Shell

41‧‧‧ first opening

42‧‧‧second opening

5‧‧‧ cover

Claims (15)

A card reader structure comprising: a circuit board, the first side of the circuit board is arranged with a plurality of contact pads, and the second side is arranged with a plurality of conductive terminal soldering portions for soldering the conductive terminals to each other; a plurality of conductive terminals, the conductive terminal includes a soldering portion solderable and fixed to the soldering portion of the conductive terminal on the circuit board, and a connecting portion extending from the soldering portion, and the front end of the connecting portion extends a contact portion that can overlap with the electronic card a housing, the housing is integrally formed, and an accommodating space is formed in the inner portion, and a sliding slot for guiding the positioning of the circuit board is respectively disposed on both sides of the inner edge of the accommodating space. The card reader structure of claim 1, wherein an elastic sheet welding portion for soldering and fixing the elastic sheet body is disposed behind the soldering portion of the conductive terminal of the circuit board. The card reader structure of claim 2, wherein the elastic piece body comprises a welding portion and a connecting portion extending from the welding portion, and a fastening portion extends from the front end of the connecting portion. The card reader structure of claim 3, wherein the two sides of the casing are respectively formed with a first opening and a second opening that communicate with the accommodating space. The card reader structure of claim 4, wherein the bottom surface of the second opening inner edge of the casing protrudes in a direction of the accommodating space and has a card formed by the stopping portion and the limiting portion. The buckle groove is configured for the buckle portions of the elastic piece to be buckled with each other. The card reader structure of claim 4, wherein the second opening of the housing is covered by a cover. The card reader structure of claim 6, wherein the circuit board end A connector soldering portion is provided for a second connector to be attached to the end of the circuit board after being placed on the cover body. The card reader structure of claim 1, wherein the contact pad body of the circuit board is arranged to conform to the USB 2.0 specification. The card reader structure of claim 7, wherein the connector soldering portions of the circuit board are respectively disposed on the first side and the second side of the circuit board. The card reader structure of claim 1, wherein the contact portion of the conductive terminal extends away from the circuit board, and the connecting portion is configured to elastically reciprocate the contact portion with respect to the connecting portion. The card reader structure of claim 5, wherein the width of the buckle portion of the elastic sheet is wider than that of the connecting portion, and the elastic sheet body has a convex shape as a whole. The card reader structure of claim 7, wherein the second connector is a Micro USB specification connector. The card reader structure of claim 7, wherein the end of the second connector extends with a plurality of welded portions arranged in two rows of upper and lower rows, through the upper and lower portions. The rows are arranged to be inserted into the circuit board and soldered to the connector soldering portions on the circuit board. The card reader structure of claim 4, wherein the first opening of the housing is smaller than the second opening, and the first opening is sized to conform to the USB 2.0 specification. The card reader structure of claim 5, wherein the stop portion of the casing is a lateral stop, and the limiting portion is a longitudinal stop, and the space formed by the casing is elastic and elastic. The buckle portion of the body is roughly equivalent.