JP6469348B2 - Contact terminal structure and connector - Google Patents

Description

  The present invention relates to a contact terminal structure, a connector, a method for manufacturing a mobile terminal, and a mobile terminal.

  Conventionally, as shown in FIG. 18, a smartphone 54 is known that includes an LCD module 50 in which an FPC (flexible printed circuit board) 50 b is foldably connected to an LCD (liquid crystal display) 50 a in a housing 52. Here, the plug-side connector 56 is connected to the tip portion of the FPC 50b.

  In the manufacturing process of the smartphone 54, first, as shown in FIG. 18, the LCD module 50 is disposed in the housing 52, and the LCD module 50 is fixed to the housing 52 with a fixed chassis (not shown), and then as shown in FIG. In addition, the substrate 64 to which the receptacle-side connector 62 is connected is disposed on the fixed chassis. Next, as shown in FIG. 20, the FPC 50 b is folded and the plug-side connector 56 is connected to the receptacle-side connector 62.

  By the way, in the conventional smart phone 54 as mentioned above, since the connection process which an operator connects the plug side connector 56 to the receptacle side connector 62 is required, the manufacturing process of the smart phone 54 increases and manufacturing cost becomes high. There was a problem.

  Moreover, in the connection process, the fiber of the glove fitted in the worker's hand may be caught by the connection terminal of the receptacle-side connector 62, and the connection terminal may be deformed during assembly.

  An object of the present invention is to provide a contact terminal structure having a shape that is not easily deformed, and to provide a connector having the contact terminal structure. Moreover, it is providing the manufacturing method of the portable terminal which reduced manufacturing cost, and the portable terminal manufactured by this manufacturing method.

The contact terminal structure of the present invention is a contact terminal structure having a connection terminal electrically connected to the plug-side contact by pressing the plug-side contact configured in a plane, and the connection terminal is A contact portion that contacts the plug-side contact, a holding portion that is held by an insulator, a tension portion that is formed between the contact portion and the holding portion, and a free end that extends from the tension portion toward the contact portion And the width direction side of the free end in the vicinity of the contact portion from the contact portion toward the direction opposite to the plug side contact on both sides of the free end at a direction orthogonal to the direction in which the tension portion extends. Including a V-shaped or U-shaped side protection portion that continuously protrudes in a closed state, and the insulator is a fitting plane configured substantially parallel to a terminal surface of the plug-side contact, the fitting Form in the plane An open window is, and includes a housing portion for accommodating the connecting terminals, wherein the contact portion is characterized in that protruding from the opening window in the direction of the plug-side contact.

  Moreover, the connector of this invention is equipped with the contact terminal structure of this invention, and the connection part connected with the said holding | maintenance part and connected with a cable, It is characterized by the above-mentioned.

  In addition, the method for manufacturing a mobile terminal according to the present invention includes a contact portion that contacts the plug-side contact, a holding portion that is held by an insulator, a tension portion that is formed between the contact portion and the holding portion, and the holding A connection terminal electrically connected to the plug-side contact by pressing the plug-side contact configured in a plane, and a terminal of the plug-side contact. A fitting plane configured substantially parallel to the surface, an opening window formed in the fitting plane, and an insulator having a storage portion for storing the connection terminal, wherein the contact portion is formed from the opening window. A method of manufacturing a portable terminal using a connector protruding in the direction of a plug-side contact, the step of arranging a module to which the connector is connected at a predetermined position in a housing, and the module using a fixed chassis. It characterized in that it comprises a fixing step of fixing, and a substrate placement step of covering the main board to the fixed chassis in.

  In addition, the portable terminal of the present invention includes a contact portion that contacts the plug-side contact, a holding portion that is held by an insulator, a tension portion that is formed between the contact portion and the holding portion, and is connected to the holding portion. The plug-side contact composed of a flat surface is pressed against the plug-side contact, the connection terminal electrically connected to the plug-side contact, and the terminal surface of the plug-side contact. A fitting plane configured in parallel; an opening window formed in the fitting plane; and an insulator having a storage portion for storing the connection terminal, wherein the contact portion extends from the opening window to the plug-side contact. A portable terminal including a connector protruding in the direction of the housing, a housing, a module arranged in the housing, to which the connector is connected, a fixed chassis for fixing the module to the housing, and the fixing Shah Further comprising a main board connected to said connector which is wired to the module which is fixed to said.

  ADVANTAGE OF THE INVENTION According to this invention, the contact terminal structure of the shape which cannot change easily can be provided, and the connector which has this contact terminal structure can be provided. Moreover, the manufacturing method of the portable terminal which reduced manufacturing cost, and the portable terminal manufactured by this manufacturing method can be provided.

It is a perspective view which shows the external appearance of the connector which concerns on embodiment. It is sectional drawing which cut | disconnected the connector which concerns on embodiment in the transversal direction. It is a perspective view which shows the cross section of the transversal direction of the connector which concerns on embodiment. It is a perspective view of the connection terminal concerning an embodiment. It is the figure which looked at the connecting terminal which concerns on embodiment from the sequence direction. It is the figure which looked at the connection terminal which concerns on embodiment from the direction orthogonal to the sequence direction. It is a figure which shows the connector and plug side contact which concern on embodiment. It is a figure which shows the connector and plug side contact which concern on embodiment. It is a figure which shows the state which the terminal surface of the plug side contact which concerns on embodiment contacted the contact part. It is a figure which shows the state which the side protection part which concerns on embodiment contact | abutted to the stopper. It is a figure which shows the state which the side protection part which concerns on embodiment contact | abutted to the stopper. It is a figure which shows the state by which the LCD module which concerns on embodiment was arrange | positioned at the housing | casing. It is a figure which shows the state by which the LCD module which concerns on embodiment was fixed by the fixed chassis. It is a figure which shows the state by which FPC connected to the LCD module which concerns on embodiment was folded. It is a figure which shows the state which covered the main board | substrate on the stationary chassis which concerns on embodiment. It is a figure which shows the contact terminal structure which concerns on other embodiment. It is a figure which shows the contact terminal structure which concerns on other embodiment. It is a figure which shows the manufacturing process of the conventional smart phone. It is a figure which shows the manufacturing process of the conventional smart phone. It is a figure which shows the manufacturing process of the conventional smart phone. It is a figure which shows a connection terminal. It is a figure which shows a connection terminal. It is a figure which shows the fixed chassis for camera modules which concerns on other embodiment. It is a figure which shows the state by which FPC connected with the camera module which concerns on other embodiment was fixed to the fixed chassis. The figure which shows the state which covered the main board | substrate on the fixed chassis which concerns on other embodiment. It is a figure which shows the manufacturing process of the conventional smart phone. It is a figure which shows the manufacturing process of the smart phone which concerns on other embodiment. It is a figure which shows the manufacturing process of the smart phone which concerns on other embodiment. It is a figure which shows the manufacturing process of the smart phone which concerns on other embodiment.

  Hereinafter, a connector according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing an appearance of a connector according to an embodiment. 2 is a cross-sectional view of the connector according to the embodiment cut in the short direction, and FIG. 3 is a perspective view showing a cross section of the connector according to the embodiment in the short direction.

  As shown in FIGS. 1 to 3, the connector 2 includes a connection terminal 4 that is electrically connected to the plug-side contact 20 by pressing the plug-side contact 20 (see FIG. 7) configured in a plane, and the connection terminal. 4 is constituted by an insulator 6 that accommodates 4. Here, the connector 2 has a rectangular shape in plan view, and a plurality of connection terminals 4 are arranged along both edges in the longitudinal direction of the insulator 6.

  The connection terminal 4 includes a contact portion 4 a having a dome shape that contacts the plug-side contact 20, and a holding portion 4 b that is held by the insulator 6. Further, an elastic tension portion 4c formed in a substantially U shape is provided between the contact portion 4a and the holding portion 4b. Further, a connecting portion 4d connected to the circuit board 22 (see FIG. 7) is connected to the holding portion 4b.

  Further, the insulator 6 includes a fitting plane 6a configured to be substantially parallel to the terminal surface 20b (see FIG. 8) of the plug-side contact 20, and an accommodating portion 6b that accommodates the connection terminal 4, and the fitting plane 6a includes Is formed with a rectangular opening window 6c for projecting the contact portion 4a in the direction of the plug-side contact 20.

  The insulator 6 inside the opening window 6c is provided with a stopper 6d that prevents the contact portion 4a from being buried in the fitting plane 6a when the plug-side contact 20 is pressed. The stoppers 6d are provided as a pair at positions where the connection terminals 4 are sandwiched in the opening window 6c.

  FIG. 4 is a perspective view of the connection terminal 4 according to the embodiment. FIG. 5 is a view of the connection terminals 4 viewed from the arrangement direction, and FIG. 6 is a view of the connection terminals 4 viewed from the direction orthogonal to the arrangement direction. As shown in FIGS. 4-6, the connection terminal 4 has the free end 8 extended toward the direction of the contact part 4a from the tension part 4c. Here, a bent portion 8a that bends in a substantially U shape toward the direction of the tension portion 4c is provided at the distal end portion of the free end 8.

  Further, on both sides of the direction perpendicular to the direction in which the tension portion 4c of the free end 8 of the connection terminal 4 extends, side protection portions 10 projecting in a U shape in the direction opposite to the plug-side contact 20 are formed. . Here, the side protection part 10 is located in the position buried in the fitting plane 6a of the insulator 6 (see FIG. 2). The protruding shape of the side protection part 10 may be V-shaped instead of U-shaped.

  Next, displacement of the connection terminal 4 when the plug-side contact 20 is connected to the connector 2 according to the embodiment will be described with reference to the drawings. First, as shown in FIGS. 7 and 8, the plug-side contact 20 is disposed on the connector 2 connected to the circuit board 22. Next, as shown in FIG. 9, when the plug-side contact 20 is pressed against the connector 2, the terminal 20a of the plug-side contact 20 contacts the contact portion 4a, and the connector 2 and the plug-side contact 20 are electrically connected. Is done.

  Here, when the plug-side contact 20 is further pressed, the tension portion 4c is compressed and the contact portion 4a moves downward (in the direction opposite to the plug-side contact 20), as shown in FIGS. The tip of the side protection part 10 comes into contact with the stopper 6d. Thereby, it can prevent that the contact part 4a displaces exceeding the elastic limit of the connection terminal 4, and can prevent the connection terminal 4 from plastically deforming.

  Next, with reference to drawings, the manufacturing process of the smart phone using the connector 2 which concerns on embodiment is demonstrated. In the manufacturing process of the smartphone, the main board 40 (see FIG. 15) is used as the plug-side contact 20, and the LCD module 30 (see FIG. 12) is used as the circuit board 22.

  First, as shown in FIG. 12, the LCD module 30 in which the FPC 30b is foldably connected to the LCD main body 30a is disposed in the housing 32 (arrangement step). Here, the connector 2 is connected in advance to the back surface 30d of the tip portion 30c of the FPC 30b.

  Next, as shown in FIG. 13, the fixed chassis 36 is placed over the LCD module 30, and the LCD module 30 is fixed to the housing 32 by the fixed chassis 36 (fixing step). Here, the fixed chassis 36 is provided with a guide portion 36a for arranging the tip portion 30c of the folded FPC 30b.

  Next, the adhesive layer 38 is arranged in the region 36b formed by the guide portion 36a (adhesive layer arranging step), and the FPC 30b is folded in the direction of arrow A (folding step). Thereby, the surface 30e of the front end portion 30c of the folded FPC 30b is bonded to the guide portion 36a as shown in FIG. 14 (bonding step).

  Next, as shown in FIG. 15, after the main board 40 is put on the fixed chassis 36 and the main board 40 and the connector 2 are electrically connected, a back casing (not shown) is further put on the main board 40 ( Board placement step), the smartphone 34 is completed.

  According to the smartphone manufacturing method according to this embodiment, since there is no connection process in which an operator connects the plug-side connector 56 to the receptacle-side connector 62 as in the prior art (see FIG. 20), the manufacturing process is simplified. The manufacturing cost of the smartphone 34 can be reduced.

  In addition, the contact portion 4a of the connector 2 has a dome shape, a bent portion 8a is provided at the distal end portion of the free end 8, and the side protection portion 10 is located at a position where it is buried in the fitting plane 6a of the insulator 6. Therefore, for example, even when an operator touches the contact portion 4a with a hand wearing a glove, the fibers of the glove can be prevented from being caught on the contact portion 4a. Therefore, it is possible to provide the connector 2 having a contact terminal structure having a shape that is difficult to be deformed during assembly.

  In the above-described embodiment, as shown in FIG. 16, the contact portion 70a has a mountain-shaped connection terminal 70, and as shown in FIG. 17, the contact portion 70a has a hemispherical connection terminal 72. Also good. In this case, the lower peripheral edge portions 70b and 72b of the contact portions 70a and 72a are buried in the fitting plane 6a (see FIG. 3). Even in these cases, it is possible to realize a contact terminal structure having a shape that is difficult to be deformed during assembly.

  Further, in the above-described embodiment, a stopper may be formed on the holding portion 4b. In this case, when the plug-side contact 20 is further pressed after the terminal 20a of the plug-side contact 20 contacts the contact portion 4a, the tip of the bent portion 8a comes into contact with the holding portion 4b.

  In the above-described embodiment, the adhesive layer 38 may be disposed in advance in the region 36b surrounded by the guide portion 36a. Alternatively, the adhesive layer 38 may not be disposed in the region 36b, and the tip portion 30c of the FPC 30b may be directly fixed to the guide portion 36a.

  In the above-described embodiment, the connector 2 may be provided with the connection terminals 74 and 76 shown in FIGS. 21 and 22 instead of the connection terminal 4.

  In the above-described embodiment, as shown in FIG. 24, the camera module 84 including the FPC 82 connected to the image sensor 80 and connecting the connector 2 to one end 82 a is used in the manufacturing process of the smartphone 86. Also good. In this case, first, as shown in FIG. 23, after the LCD module 30 is fixed to the housing 32 by the fixed chassis 88, the image pickup device 80 is inserted into the opening 88a formed in the fixed chassis 88 as shown in FIG. And the end portion 82a of the FPC 82 is disposed in the region 88c formed by the guide portion 88b.

  Next, as shown in FIG. 25, after the main board 40 is put on the fixed chassis 88 and the main board 40 and the connector 2 are electrically connected, a rear housing (not shown) is further put on the main board 40, The smartphone 86 is completed. Even in this case, unlike the conventional manufacturing process shown in FIG. 26, there is no connection process for the operator to connect the plug-side connector 101 to the receptacle-side connector 102, so that the manufacturing process can be simplified.

  In addition to the LCD module 30 and the camera module 84, a speaker module for connecting the connector 2 to the FPC connected to the speaker, a vibrator module for connecting the connector 2 to the FPC connected to the vibrator, and an FPC connected to the battery A battery module for connecting the connector 2, a microphone module for connecting the connector 2 to the FPC connected to the microphone, an operation switch module for connecting the connector 2 to the FPC connected to the operation switch, and the like may be used in the above manufacturing process. . Moreover, you may use a board | substrate module (an interface connector, a subcircuit, etc.) at the above-mentioned manufacturing process.

  In the above-described embodiment, as shown in FIG. 27, a flat type LCD module 90 in which an FPC 90b is connected to the LCD main body 90a may be used in the manufacturing process of the smartphone 92. Here, the connector 2 is connected in advance to the tip portion of the FPC 90b.

  In this case, first, as shown in FIG. 27, the LCD module 90 is arranged in the housing 32. Next, as shown in FIG. 28, a fixed chassis 94 in which an opening 94 a that exposes the connector 2 is formed is disposed on the LCD module 90, and the LCD module 90 is fixed to the housing 32 by the fixed chassis 94. Next, as shown in FIG. 29, after the main board 40 is put on the fixed chassis 94 and the main board 40 and the connector 2 are electrically connected, a rear housing (not shown) is further put on the main board 40, The smartphone 92 is completed.

  Thereby, the simple manufacturing process in which the folding process (refer FIG. 13) which folds FPC30b does not exist is realizable.

  Moreover, in the above-mentioned embodiment, although the manufacturing process of the smart phone is demonstrated to the example, the portable terminal manufactured is not limited to a smart phone, A tablet terminal may be sufficient.

  In the above-described embodiment, a module in which the connector 2 is connected to an FFC cable, an electric wire, or the like may be used instead of the FPC 30b.

2 ... Connector, 4 ... Connection terminal, 4a ... Contact part, 4b ... Holding part, 4c ... Tension part, 4e ... Connection part, 6 ... Insulator, 6a ... Fitting plane, 6c ... Opening window, 6d ... Stopper, 8 ... Free end, 8a ... Bending part, 10 ... Side protection part, 20 ... Plug side contact, 20a ... Terminal, 22 ... Circuit board, 30 ... LCD module, 30a ... LCD body, 30b ... FPC, 34 ... Smartphone, 40 ... Main board

Claims (8)

A contact terminal structure having a connection terminal that is electrically connected to the plug-side contact by pressing the plug-side contact configured in a plane,
The connection terminal includes a contact portion that contacts the plug-side contact, a holding portion that is held by an insulator, a tension portion that is formed between the contact portion and the holding portion, and a direction from the tension portion to the contact portion. The free end extended in the direction from the contact portion toward the direction opposite to the plug-side contact on both sides in a direction perpendicular to the direction in which the tension portion extends at the tip of the free end. A V-shaped or U-shaped side protection portion that continuously protrudes with the width direction side portion of the free end closed ,
The insulator includes a fitting plane configured substantially parallel to a terminal surface of the plug-side contact, an opening window formed in the fitting plane, and a storage portion that stores the connection terminal.
The contact terminal structure according to claim 1, wherein the contact portion protrudes from the opening window toward the plug-side contact.   The contact terminal structure according to claim 1, wherein a distal end portion of the free end has a bent portion bent in the direction of the tension portion.   The contact terminal structure according to claim 2, wherein a distal end portion of the free end has a substantially U shape.   The contact terminal structure according to claim 2, wherein a tip end portion of the side protection portion is configured to be buried in a fitting plane of the insulator. A stopper portion for preventing the contact portion from being buried in a fitting plane of the insulator;
The contact terminal structure according to any one of claims 2 to 4, wherein a distal end portion of the free end or a distal end portion of the side protection portion is movable to a position pressed against the stopper portion.   The contact terminal structure according to claim 5, wherein the stopper portion is formed on at least one of the holding portion or the insulator.   The contact terminal structure according to claim 1, wherein the contact portion has a dome shape.   A connector comprising: the contact terminal structure according to claim 1; and a connection portion connected to the holding portion and connected to a cable or a substrate.

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