JP3059690U - Wiring connection device - Google Patents

Abstract

(57) [Summary] [Problem] To reduce the number of parts, reduce the manufacturing cost, and easily perform the connection work. SOLUTION: This is a wiring connection device for connecting an electrode portion 2 on a substrate 1 and an electrode portion 5 provided at an end 4a of a flexible wiring board 4, and the substrate is connected across the substrate side electrode portion 2. 1 and a pressing portion 14 is provided on the supporting frame 13 so as to face the substrate-side electrode portion 2, and the end portion 4 a of the flexible wiring board 4 is placed in the supporting frame 13. Pressing part 14 of
The wiring board-side electrode section 5 is pressed against the board-side electrode section 2 by being inserted between the substrate-side electrode section 2 and the substrate-side electrode section 2.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a wiring connection device used for connecting wiring such as a magnetic tape device.

[0002]

[Prior art]

 Conventionally, as an example of this type of wiring connection device, there is one shown in FIG. This involves connecting the plurality of electrode portions of the connector 3 to the plurality of electrode portions 2 printed on the board 1, fixing the connector 3 to the board 1, and connecting the end 4a of the flexible wiring board 4 to the connector. The plurality of electrodes 5 provided at the end 4 a of the connector 3 are connected to the substrate-side electrode 2 via the electrodes of the connector 3.

[0003]

[Problems to be solved by the invention]

 The above configuration has an advantage that the wiring board side electrode section 5 can be connected to the board side electrode section 2 simply by inserting the end 4a of the flexible wiring board 4 into the insertion port 3a of the connector 3. However, there is a disadvantage that the connector 3 is expensive, and it takes time and effort to connect the electrode portion of the connector 3 to the substrate-side electrode portion 2, resulting in a high manufacturing cost.

A technique described in Japanese Patent Application Laid-Open No. 58-27395 has been proposed to solve the above-mentioned drawbacks. As shown in FIGS. 11 and 12, this has a substantially U-shaped holding frame 7 composed of a top plate portion 7a and a pair of left and right side plate portions 7b bent at right angles from both ends of the top plate portion 7a. 1, a plurality of through holes 8 located on both sides of each electrode portion 2 and an engagement hole 9 facing each side plate portion 7b are provided through the top plate portion 7a so as to face each through hole 8. A plurality of protrusions 10 are protrudingly provided, and a stopper 11 which protrudes from the lower end of each side plate portion 7b and engages with the peripheral edge of each engagement hole 9 is provided.

In the above configuration, the connection procedure of the two electrode portions 2 and 5 will be described. First, the wiring board side electrode portion 5 is positioned on the board side electrode portion 2, and the end 4 a of the flexible wiring board 4 is positioned. The stopper 11 is engaged with the peripheral edge of each engagement hole 9 by pressing the substrate 1 against the substrate 1, then covering the end 4 a with the holding frame 7 and fitting each side plate 7 b into the engagement hole 9. Then, the holding frame 7 is fixed to the substrate 1. As a result, each projection 10 is pressed between the electrode portions 5 of the end 4a, and the wiring board side electrode portion 5 can be pressed against the substrate side electrode portion 2.

According to the above configuration, the two electrode portions 2 and 5 can be connected only by the holding frame 7, and there is an advantage that the number of parts is small and the manufacturing cost can be reduced. It is troublesome and troublesome.

The present invention has been made in view of the above-described drawbacks, and has as its object to provide a wiring connection device that has a small number of components, can be manufactured at low cost, and can be easily connected.

[0008]

[Means for Solving the Problems]

 In order to achieve the above object, the invention according to claim 1 is a wiring connection device for connecting an electrode portion on a substrate and an electrode portion provided at an end of a flexible wiring board, A support frame attached to the substrate over the side electrode portion, wherein the support frame is provided with a pressing portion facing the substrate side electrode portion, and supports an end of the flexible wiring board. It is characterized in that the wiring board side electrode section is pressed against the board side electrode section by being inserted between the pressing section in the holding frame and the board side electrode section.

[0009] According to the above configuration, simply by inserting the end of the flexible wiring board into the support frame, the pressing portion provided on the support frame presses the wiring board side electrode portion against the substrate side electrode portion, and The two electrode portions can be reliably connected, and the connection between the two electrode portions can be performed only by the support frame, so that the number of parts is small and the manufacturing cost can be reduced.

According to a second aspect of the present invention, in the first aspect of the present invention, the support frame includes a top plate portion provided with the pressing portion and a pair of right and left sides bent at right angles from both ends of the top plate portion. A stopper provided on each of the projections, the frame having a substantially U-shaped frame body made of a plate, and a projection provided on each of the side plates being fitted into an engagement hole formed through the base; The frame main body is fixed to the substrate by engaging with a peripheral portion of the engagement hole.

[0011] According to the above configuration, the stoppers provided on each of the projections can be formed simply by gripping the frame main body and fitting the projections projecting from the pair of left and right side plates of the frame main body into the engagement holes of the substrate. Can be engaged with the peripheral edge of the engagement hole, and the frame body can be easily fixed to the substrate.

The invention according to claim 3 is characterized in that in the invention according to claim 2, the distance between the both side plate portions is set to be equal to or slightly larger than the width of the flexible wiring board. ing.

According to the above configuration, just by inserting the end of the flexible wiring board into the support frame, the end is regulated by both side plates of the support frame, and the wiring board side electrode section is connected to the board side electrode. Can be accurately positioned in the part.

According to a fourth aspect of the present invention, in the device of the second or third aspect, the pressing portion is formed of a projection integrally formed with the top plate portion.

According to the above configuration, by integrally forming the support frame and the protrusion, the number of components does not increase, and the manufacturing cost can be reduced.

The invention according to claim 5 is characterized in that, in the invention according to claim 4, a plurality of slits are formed in the top plate portion with a pressing portion interposed therebetween.

According to the above configuration, by inserting the end portion of the flexible wiring board into the support frame, the portion left uncut by the slit of the top plate portion is elastically deformed, and the pressing portion is slightly pushed up. Thus, the wiring board side electrode portion is strongly pressed against the substrate side electrode portion by the pressing force generated thereby, and the two electrode portions can be reliably connected.

According to a sixth aspect of the present invention, in the second or third aspect, the pressing portion is made of an elastic member fixed to the support frame.

According to the above configuration, the wiring board-side electrode portion is strongly pressed against the substrate-side electrode portion by the pressing force generated by elastically deforming the elastic member, and the two electrode portions can be reliably connected. .

According to a seventh aspect of the present invention, in the device of the sixth aspect, the elastic member is formed of a leaf spring having a projection protruding toward the substrate-side electrode portion.

According to the above configuration, the wiring board side electrode portion can be reliably connected to the board side electrode portion using the elastic force of the leaf spring.

[0022]

[Embodiment of the invention]

 Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIGS. 1 to 3 show a wiring connection device according to an embodiment of the present invention, which has a support frame 13 attached to a substrate 1 over a substrate-side electrode portion 2. A pressing portion 14 is provided to face the substrate-side electrode portion 2. In the configuration other than the above, the same portions as those of the conventional example shown in FIGS.

The support frame 13 is formed of a synthetic resin material, and has a substantially U-shaped frame body 13A including a top plate portion 13a and a pair of left and right side plate portions 13b bent at right angles from both ends of the top plate portion 13a. A protrusion 13c having a width smaller than that of each side plate portion 13b is integrally provided on each of the side plate portions 13b, and each of the protrusion portions 13c is provided with a stopper 13d protruding outward, and the stopper An inclined surface 13e which is inclined obliquely downward from the tip of 13d to the tip of the projection 13c is formed.

In the above configuration, by holding the frame main body 13 A and pushing each projection 13 c into the engagement hole 16 penetrating through the substrate 1, the inclined surface 13 e is pressed against the periphery of the engagement hole 16. Then, each projection 13c is fitted into the engagement hole 16 while being elastically deformed, and the stopper 13d is engaged with the periphery of the engagement hole 16, so that the substrate 1 is formed by the stopper 13d and the side plate 13b. Thus, the frame body 13A can be easily fixed to the substrate 1.

As shown in FIG. 1, the distance H between the both side plate portions 13 b is set to be equal to or slightly larger than the width h of the flexible wiring board 4, and the flexible wiring is provided in the support frame 13. By simply inserting the end 4a of the board 4, the end 4a is restricted by the two side plates 13b, and the wiring board side electrode section 5 can be accurately positioned on the board side electrode section 2.

The pressing portion 14 includes a plurality of hemispherical protrusions integrally formed on the top plate portion 13 a at predetermined intervals and opposed to the respective substrate-side electrode portions 2. By integrally molding with, the number of parts does not increase and the manufacturing cost can be reduced.

As shown in FIG. 3, the distance R between the pressing portion 14 and the substrate-side electrode portion 2 is set to be slightly smaller than the thickness r of the end portion 4 a of the flexible wiring board 4. A plurality of slits 17 are formed in the plate portion 13a with the pressing portion 14 interposed therebetween, whereby the portion 18 left uncut by the slit 17 of the top plate portion 13a can be elastically deformed.

According to the above configuration, by inserting the end 4 a of the flexible wiring board 4 into the support frame 13, the uncut portion 18 is elastically deformed, and the pressing portion 14 is slightly pushed up. As a result, the wiring board side electrode portion 5 is strongly pressed against the substrate side electrode portion 2 by the pressing force generated by the above, and the two electrode portions 2 and 5 can be reliably connected (see FIGS. 4 to 6).

FIGS. 7 to 9 show a wiring connection device according to another embodiment of the present invention, in which a plurality of protrusions 19 a are shown in which a pressing portion 14 protrudes toward each substrate-side electrode portion 2. A leaf spring (elastic member) 19 is provided. The leaf spring 19 is formed by fitting through holes 20 formed at both ends of the leaf spring 19 to a convex portion 21 projecting from the top plate 13a. It is fixed to the lower surface of 13a. In the configuration other than the above, the same parts as those of the embodiment of the present invention shown in FIGS.

In the above configuration, by inserting the end 4 a of the flexible wiring board 4 into the support frame 13, each of the projections 19 a is elastically deformed, and the wiring board side electrode 5 is pressed by the pressing force generated thereby. The two electrode portions 2 and 5 can be securely connected by pressing strongly against the substrate-side electrode portion 2.

In the above-described other embodiments, the leaf spring 19 is used as the elastic member. However, the present invention is not limited to this. For example, a rubber material or an elastically deformable synthetic resin material may be used.

[0032]

[Effect of the invention]

 According to the first aspect of the present invention, by simply inserting the end portion of the flexible wiring board into the support frame, the wiring board side electrode portion is pressed against the substrate side electrode portion by the pressing portion provided on the support frame. The two electrode portions can be reliably connected, and the two electrode portions can be connected only by the support frame, so that the number of parts is small and the manufacturing cost can be reduced.

According to the invention of claim 2, each of the protrusions can be formed simply by gripping the frame body and fitting the protrusions projecting from the pair of left and right side plates of the frame body into the engagement holes of the substrate. The frame body can be easily fixed to the substrate by engaging the stopper provided on the base with the peripheral portion of the engagement hole.

According to the third aspect of the present invention, by simply inserting the end of the flexible wiring board into the support frame, the end is regulated by both side plates of the support frame, and the wiring board side electrode portion Can be accurately positioned on the substrate side electrode portion.

According to the present invention, by integrally forming the support frame and the projection, the number of parts does not increase, and the manufacturing cost can be reduced.

According to the invention, by inserting the end portion of the flexible wiring board into the support frame, the portion left uncut by the slit of the top plate portion is elastically deformed and the pressing portion is slightly deformed. The wiring board-side electrode portion is strongly pressed against the substrate-side electrode portion by the pressing force generated by being pushed up, and the two electrode portions can be reliably connected.

According to the invention of claim 6, the wiring board side electrode portion is strongly pressed against the substrate side electrode portion by the pressing force generated by elastically deforming the elastic member, and the two electrode portions are securely connected. be able to.

According to the invention of claim 7, the wiring board side electrode portion can be reliably connected to the board side electrode portion by utilizing the elastic force of the leaf spring.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a wiring connection device according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the main part.

FIG. 3 is a longitudinal sectional view before the connection.

FIG. 4 is a longitudinal sectional view of the connection state.

FIG. 5 is a plan view of the connection state.

FIG. 6 is a cross-sectional view of the connection state.

FIG. 7 is a perspective view of a main part showing a wiring connection device according to another embodiment of the present invention.

FIG. 8 is a cross-sectional view of the connection state.

FIG. 9 is a longitudinal sectional view of the connection state.

FIG. 10 is a perspective view showing an example of the related art.

FIG. 11 is a perspective view showing another conventional example.

FIG. 12 is a cross-sectional view of the connection state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Substrate 2 Substrate side electrode part 4 Flexible wiring board 4a End of flexible wiring board 5 Wiring board side electrode part 13 Support frame 13A Frame main body 13a Top plate part 13b Side plate part 13c Projection part 13d Stopper 14 Pressing part 16 Engagement hole 17 Slit 19 Leaf spring (elastic member) 19a Projection of leaf spring

Claims (7)

[Utility model registration claims] 1. A wiring connection device for connecting an electrode portion on a substrate to an electrode portion provided at an end of a flexible wiring board, wherein the wiring connection device is attached to the substrate over the substrate-side electrode portion. A support portion, and a pressing portion is provided on the support frame so as to face the substrate-side electrode portion. Wherein the wiring board-side electrode portion is pressed against the substrate-side electrode portion by being inserted between the wiring connection devices. 2. The support frame has a substantially U-shaped frame main body including a top plate portion provided with the pressing portion and a pair of left and right side plate portions bent at right angles from both ends of the top plate portion. By fitting the projections protruding from the side plate into the engagement holes penetrating through the substrate, the stoppers provided on the respective projections are engaged with the peripheral edge of the engagement holes, and the frame main body is moved. 2. The wiring connection device according to claim 1, wherein the wiring connection device is fixed to a substrate. 3. The wiring connection device according to claim 2, wherein the distance between the side plate portions is set to be equal to or slightly larger than the width of the flexible wiring board. 4. The wiring connection device according to claim 2, wherein the pressing portion comprises a projection integrally formed with the top plate portion. 5. The wiring connection device according to claim 4, wherein a plurality of slits are formed in the top plate portion with a pressing portion interposed therebetween. 6. The device according to claim 2, wherein the pressing portion is made of an elastic member fixed to the support frame.
The wiring connection device as described in the above. 7. The wiring connection device according to claim 6, wherein the elastic member comprises a leaf spring having a projection protruding toward the substrate-side electrode portion.