CN203434317U - Transmission device - Google Patents

Abstract

The utility model discloses a transmission device, which comprises a circuit board, an electric connector and a wire arrangement group, wherein the electric connector comprises an insulating body and two end groups, and the insulating body is positioned on one surface of the circuit board; the two terminal sets are arranged on the insulating body, one end part of each terminal set is provided with a plugging part, the other end part of each terminal set is provided with a connecting part, the plugging parts of the two terminal sets are positioned at two opposite sides of the insulating body, and the connecting parts of the two terminal sets are electrically connected to the circuit board; the row line group is provided with two flat cables which are mutually overlapped and fixed, each flat cable is provided with a conductive part, and each conductive part is exposed on the surface of the two flat cables which are far away from each other; the flat cable group can be separately inserted into the electric connector along an installation direction, and the two conductive parts respectively and correspondingly abut against the insertion parts of the two end sub-groups. Therefore, the transmission device capable of effectively reducing the width of the electric connector is provided.

Description

transmission device

technical field

The utility model relates to a transmission device, in particular to a transmission device which can effectively reduce the width of an electric connector.

Background technique

The miniaturization of electronic products has become the current development trend, and the transmission devices applied to electronic products also face the same problem. A conventional transmission device includes a transmission cable and an electrical connector for the transmission cable to be inserted into. When the transmission cable is flat and there are more than two transmission cables, these transmission cables will be arranged side by side on the same plane. Construction renders.

However, because the transmission cables of the conventional transmission device are arranged side by side on the same plane, the width of the butt connector for these transmission cables is too large, which is not conducive to the miniaturization of the transmission device.

Therefore, there is an urgent need for a transmission device to overcome the above-mentioned defects.

Utility model content

The purpose of the utility model is to provide a transmission device, which can effectively reduce the width of the electrical connector.

In order to achieve the above object, the utility model provides a transmission device, including: a circuit board, an electrical connector and a wire group, the electrical connector includes an insulating body and two terminal groups, the insulating body positioning On a board surface of the circuit board; the two terminal groups are arranged on the insulating body, one end of each terminal group has a plug-in portion, and the other end of each terminal group has a A connection part, the insertion parts of the two terminal groups are located on opposite sides of the insulating body, and the connection parts of the two terminal groups are electrically connected to the circuit board; fixed flat cables, and each of the two flat cables is provided with a conductive part, and each of the conductive parts is exposed on the surface of the two flat cables away from each other; wherein, the cable set is detachable Inserted in the electrical connector along an installation direction, and each of the conductive parts abuts against a corresponding insertion part of the terminal set.

Preferably, each terminal group has several conductive terminals, and the conductive terminals of each terminal group are arranged in a row substantially parallel to the length direction of the insulating body.

Preferably, the number of conductive terminals of the two terminal groups is the same, and the insertion portion of the conductive terminals of each terminal group is opposite to the conductive terminal of the other terminal group in the thickness direction of the insulating body. The plug-in parts are arranged in a row facing each other.

Preferably, the inserting portions of the conductive terminals of each terminal set are arranged in a staggered arrangement relative to the inserting portions of the conductive terminals of the other terminal set in the length direction of the insulating body.

Preferably, the plug-in portions of the conductive terminals of each terminal set are at least partially overlapped with respect to the plug-in portions of the conductive terminals of the other terminal set in the thickness direction of the insulating body.

Preferably, the insertion portion of the conductive terminals of each terminal set is arranged in a front-rear arrangement relative to the insertion portion of the conductive terminals of the other terminal set in the width direction of the insulating body.

Preferably, the insulating body is elongated, and the connection portions of the two terminal groups are arranged in a row substantially parallel to the length direction of the insulating body.

Preferably, each of the two flat cables has several lines, and the lines of each of the flat cables are arranged at equal intervals.

Preferably, the two flat cables are two flexible flat cables.

Preferably, the electrical connector further includes two fixing pieces, the two fixing pieces are arranged on the insulating body and are respectively located on opposite sides of the two terminal groups, and the two fixing pieces are fixed on the circuit said board surface of the board.

Compared with the prior art, since the transmission device of the present invention is formed by stacking and fixing the two flat cables to each other, the cable group and the two terminal group insertion parts in the electrical connector are located on the opposite sides of the insulating body, so as to achieve The transmission device of the utility model can effectively reduce the width of the electrical connector.

Description of drawings

FIG. 1 is a three-dimensional schematic diagram of a transmission device of the present invention.

FIG. 2 is a three-dimensional schematic diagram of another viewing angle of FIG. 1 .

FIG. 3 is an exploded schematic view of FIG. 1 .

FIG. 4 is an exploded schematic diagram of FIG. 2 .

5 is a schematic front view of the transmission device of the present invention after the electrical connector is fixed on the circuit board and the cable assembly is removed.

FIG. 6 is a schematic cross-sectional view of FIG. 1 .

FIG. 7 is a schematic diagram (1) of a variant embodiment of the transmission device of the present invention.

Fig. 8 is a schematic diagram (2) of a variant embodiment of the transmission device of the present invention.

FIG. 9 is a schematic diagram (3) of a variant embodiment of the transmission device of the present invention.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and preferred embodiments, but the implementation of the utility model is not limited thereto.

Please refer to FIG. 1 and FIG. 2 , the transmission device 100 of the present invention includes a circuit board 1 , an electrical connector 2 (such as a SATA connector) and a cable set 3 . The electrical connector 2 is installed on a board surface 11 of the circuit board 1, and one end of the cable set 3 is detachably inserted into the electrical connector 2, and the other end of the cable set 3 is fixed to the other end by welding. Electrical connector (not shown in the figure). Wherein, a row of terminal pads 12 and two fixed pads 13 are exposed on the board surface 11 of the circuit board 1 .

In the following, the structures of the electrical connector 2 and the cable assembly 3 will be described respectively, and the relative relationship between them will be introduced in due course.

Please refer to FIG. 3 and FIG. 4 , the electrical connector 2 includes an insulating body 21 , two terminal sets 22 a, 22 b and two fixing parts 23 . Wherein, the insulating body 21 is elongated and defines a length direction L, a thickness direction T and a width direction W perpendicular to each other. A long inserting groove 211 is recessed in the center of the front surface of the insulating body 21 for inserting the cable assembly 3 therein. On the back side of the insulating body 21 , a plurality of terminal accommodating grooves 212 penetrating to the front are formed, and the terminal accommodating grooves 212 are arranged along the length direction L. As shown in FIG. The bottom surface of the insulating body 21 is used for positioning on the board surface 11 of the circuit board 1 .

Each of the two terminal sets 22a, 22b has a plurality of conductive terminals 221a, 221b, and the numbers of the conductive terminals 221a, 221b of the two terminal sets 22a, 22b are the same. Wherein, one end of each conductive terminal 221a, 221b (the left end in FIG. 4 ) has an inserting portion 2211a, 2211b, and the other end of each terminal group 221a, 221b (the right end in FIG. 4 ) has a connecting portion 2212a, 2212b.

The two terminal groups 22a and 22b are respectively inserted into the terminal accommodating groove 212 from the back of the insulating body 21 . Furthermore, the terminal group 22a is inserted at the top of the insulating body 21 , and the terminal group 22b is inserted at the bottom of the insulating body 21 . The insertion parts 2211a, 2211b of the conductive terminals 221a, 221b of each terminal group 22a, 22b are arranged in a row substantially parallel to the length direction L, and the insertion parts 2211a, 2211b of the conductive terminals 221a, 221b of the two terminal groups 22a, 22b They are respectively located on opposite sides of the insulating body 21 (such as the upper side and the lower side in FIG. 5 ). The connection parts 2212a, 2212b of the conductive terminals 221a, 221b of the two terminal groups 22a, 22b are arranged in a row along the length direction L in a staggered manner (as shown in FIG. 2 ), and are respectively welded and fixed on the terminal pads 12 of the circuit board 1 to achieve electrical connection.

More specifically, as shown in FIG. 5 , the insertion portions 2211a, 2211b of the two terminal groups 22a, 22b are at least partially accommodated in the insertion groove 211, and the insertion portion 2211a of the conductive terminal 221a of each terminal group 22a The inserting portions 2211b of the conductive terminals 221b of the other terminal group 22b in the thickness direction T are spaced apart from each other and arranged opposite to each other.

Please refer to Fig. 3 and Fig. 1 and Fig. 2 at the same time, the two fixing parts 23 are fixed on the opposite ends of the insulating body 21 in the length direction L respectively. The opposite sides (lower left side and upper right side in Figure 2). Furthermore, the two fixing parts 23 are respectively welded and fixed to the two fixed pads 13 on the board surface 11 of the circuit board 1, so that the insulating body 21 can be more firmly fixed on the circuit board 1, thereby preventing the electric connector 2 from upward Lifting causes displacement and overturning of the electrical connector 2 relative to the circuit board 1 .

Please refer to FIG. 3 and FIG. 6 , the cable set 3 has two flat cables 31 stacked and fixed on each other, and each of the two flat cables 31 is provided with a conductive part 311 (such as: several exposed metal contacts) and several lines 312 . Wherein, each conductive portion 311 is exposed on the surface where the end portions of the two flat cables 31 are far away from each other (for ease of illustration, only one of the conductive portions 311 is shown in the drawings), and the lines 312 of each flat cable 31 are equally spaced. arrangement. It should be noted that the flat cable 31 is preferably a flexible flat cable (FFC) in this embodiment, but is not limited thereto. For example, in other embodiments, the flat cable 31 may also be a flexible circuit board, and the present invention does not limit the specific type of the flat cable 31 .

Furthermore, the cable set 3 is detachably inserted into the socket slot 211 of the electrical connector 2 along an installation direction, so that the conductive portion 311 of each flat cable 31 abuts against a corresponding terminal set. 22a, 22b of the insertion part 2211a, 2211b. Wherein, when the cable assembly 3 is inserted into the electrical connector 2 shown in FIG. 6 , the installation direction is substantially parallel to the width direction W, but not limited thereto. For example, as shown in FIG. 7, the insertion portion 2211a of the conductive terminal 221a of each terminal group 22a is arranged in a front-rear arrangement with respect to the insertion portion 2211b of the conductive terminal 221b of the other terminal group 22b in the width direction W, When the cable set 3 is plugged into the electrical connector 2' shown in FIG. 7, its installation direction will form an acute angle with the width direction W, thereby providing an embodiment in which the installation direction is not parallel to the width direction W.

In addition, the arrangement of the inserting parts 2211a, 2211b of the terminal groups 22a, 22b of the electrical connector 2 can be adjusted according to the designer's needs in addition to the type shown in FIG. 5 . For example, in the electrical connector 2`` shown in FIG. The connection parts 2211b are arranged in a staggered arrangement.

Or the electrical connector 2``` as shown in FIG. In addition to the connection parts 2211b being arranged in a staggered manner, the insertion part 2211a of the conductive terminal 221a of each terminal group 22a is at least partially intersecting with the insertion part 2211b of the conductive terminal 221b of the other terminal group 22b in the thickness direction T. Stack arrangement settings.

Compared with the prior art, the transmission device 100 of the present utility model is formed by stacking and fixing the two flat cables 31 to form the cable group 3 and two of the electrical connectors 2, 2', 2``, 2```. The insertion parts 2211a, 2211b of the terminal groups 22a, 22b are located on opposite sides of the insulating body 21, so that the transmission device 100 of the present invention can effectively reduce the width of the electrical connectors 2, 2`, 2``, 2``` Effect.

What has been described above is only a preferred embodiment of the utility model, and of course the scope of rights of the utility model cannot be limited with this. Under the enlightenment of the utility model, without departing from the purpose of the utility model and the protection scope of the claims, many forms can also be made, and these still belong to the scope covered by the utility model.

Claims (10)

1. a transmitting device, is characterized in that, comprising:

One circuit board;

One electric connector, comprises an insulating body and two ends subgroup, and described insulating body is positioned on a plate face of described circuit board; Described two-terminal is mounted on described insulating body, described in each, an end of terminal group has a Plug Division, and the other end of terminal group has a junction described in each, the plugging position of described two ends subgroup is in the relative both sides of described insulating body, and the connecting portion of described two ends subgroup is electrically connected at described circuit board; And

One winding displacement group, has two fixing flat cables stacked on top of each other, and described two flat cables are respectively provided with a conductive part, and described in each, conductive part is revealed in described two flat cables surface away from each other; Wherein, described winding displacement group is inserted in described electric connector along an installation direction separably, and described in each, conductive part is connected to the Plug Division of a corresponding described terminal group.

2. transmitting device as claimed in claim 1, is characterized in that, described in each, terminal group has several conducting terminals, and described in each, the conducting terminal of terminal group forms a line along the length direction that is roughly parallel to described insulating body.

3. transmitting device as claimed in claim 2, it is characterized in that, the conducting terminal number of described two ends subgroup is identical, and described in each, the Plug Division with respect to the conducting terminal of terminal group described in another on the thickness direction of described insulating body, the Plug Division of the conducting terminal of terminal group is spread configuration toward each other.

4. transmitting device as claimed in claim 2, is characterized in that, described in each, Plug Division with respect to the conducting terminal of terminal group described in another on the length direction of described insulating body, the Plug Division of the conducting terminal of terminal group is spread configuration alternately.

5. transmitting device as claimed in claim 2, is characterized in that, described in each, Plug Division with respect to the conducting terminal of terminal group described in another on the thickness direction of described insulating body, the Plug Division of the conducting terminal of terminal group is at least part of folded array setting.

6. transmitting device as claimed in claim 2, is characterized in that, described in each, the Plug Division of the conducting terminal of terminal group is and is arranged before and after with respect to the Plug Division of the conducting terminal of terminal group described in another on the Width of described insulating body.

7. the transmitting device as described in claim 1 to 6 any one, is characterized in that, described insulating body is elongated, and the connecting portion of described two ends subgroup forms a line along the length direction that is roughly parallel to described insulating body.

8. transmitting device as claimed in claim 1, is characterized in that, described two flat cables all have several circuits, and described in each, the circuit of flat cable is equidistant arrangement.

9. transmitting device as claimed in claim 1, is characterized in that, described two flat cables are two flexible flat bus cables.

10. transmitting device as claimed in claim 1, it is characterized in that, described electric connector also comprises two fixtures, and described two fixtures are located at described insulating body and are positioned at separately the two opposite sides of described two ends subgroup, and described two fixtures are fixed on the described plate face of described circuit board.

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