JP4760466B2 - Operational electronic components - Google Patents

Description

  The present invention relates to an operation-type electronic component mainly used for controlling an electronic device of an automobile.

  In recent years, it has been widely practiced to control various electronic devices and the like in a vehicle interior by mounting an operation type electronic component in the vicinity of a steering wheel in an automobile and operating the electronic component. Is a limited storage space near the steering wheel with multiple lead wires that are electrically connected to the vehicle body extending from the back, and these are held and fixed in place on the electronic component by a binding band. It is often attached to.

  Such a conventional operation type electronic component will be described with reference to FIGS.

  FIG. 5 is a perspective view of a conventional operation-type electronic component viewed from the back side, and FIG. 6 is a plan view viewed from the front side. In FIG. 5, 1 is a front case made of an insulating resin having a substantially box shape and a back side opening. On the front side, a plurality of operating bodies 2 that can swing and move up and down are mounted.

  Reference numeral 3 denotes a back case made of the same insulating resin that covers the back side opening of the front case 1, and in these front and back cases 1 and 3, a push switch (not shown) that is electrically connected and separated according to the operation of the operating body 2. A wiring board (not shown) on which switch contacts and various electronic components are mounted is accommodated.

  Reference numeral 3A denotes a connector portion that is provided at one end of the wiring board and is recessed in the back surface of the back case 3. The output portion is constituted by such a connector portion 3A, a switch contact, the wiring board, and the like.

  Reference numeral 4 denotes a plurality of lead wires, one end of which is fixed to the connector 5 and the other end is inserted through the insulating tube 6 and extends outward.

  In addition, the connector 5 is attached to the connector portion 3A of the back case 3 and the other end of the lead wire 4 is connected to the electronic circuit of the vehicle so that electronic devices such as audio are controlled in accordance with the operation of the operating body 2. It has become.

  Further, reference numeral 7 denotes a substantially columnar holding body protruding from the back surface of the back case 3, and a through hole 7B is formed at the substantially center, and a fixing portion 7A having a substantially elliptical section is formed above the through hole 7B.

  A binding band 8 made of an insulating resin such as polyamide is provided with a fastening portion 8A having a substantially rectangular shape at one end and an engagement hole 8C formed on the inside, and a band-like cross section on the surface from the fastening portion 8A. A band portion 8B in which a substantially serrated locking portion 8D is formed extends.

  Then, the lead wire 4 covered with the insulating tube 6 is wound and tightened by the band portion 8B together with the fixing portion 7A of the holding body 7, and the band portion 8B inserted through the engagement hole 8C of the fastening portion 8A. By engaging the engaging portion 8D with the engaging hole 8C, the lead wire 4 is fixed to the fixing portion 7A, and the operation type electronic component is configured.

  When the lead wire 4 is fixed to the holding body 7 using the binding band 8, as shown in the partial sectional view of FIG. 7A, first, the fastening portion 8A is disposed above the fixing portion 7A. Then, the band portion 8B is wound from the right side of the fixed portion 7A and inserted through the through hole 7B.

  Then, after the lead wire 4 and the fixing portion 7A that are brought to the left side of the fixing portion 7A are wound together by the band portion 8B, the lead wire 4 is passed through the engaging hole 8C of the fastening portion 8A and tightened and locked, The unnecessary part at the tip of the band part 8B is cut.

  At this time, since the fixing portion 7A is substantially elliptical, the fastening portion 8A rotates around the fixing portion 7A during the fixing operation of the lead wire 4 or after the fixing of the lead wire 4 as described above. As shown in FIGS. 7B and 7C, the positions of the leading end portions of the fastening portion 8A and the band portion 8B may not be stable, such as shifting to the left side of the lead wire 4 or the right side of the fixing portion 7A. .

  The operation-type electronic component configured as described above is attached to, for example, a spoke portion near the steering wheel of the steering wheel, and is operated by operating one of the plurality of operating bodies 2 with a finger while holding the steering wheel. An electrical signal corresponding to the above is output from the output unit to the electronic circuit of the vehicle via the lead wire 4, and is configured to control an electronic device such as an audio device in the vehicle.

As prior art document information related to the invention of this application, for example, Patent Document 1 is known.
JP-A-5-102937

  However, in the above-described conventional operation type electronic component, when the lead wire 4 is fixed to the fixing portion 7A of the holding body 7 by the binding band 8, the fastening portion 8A rotates around the fixing portion 7A to the left or right. When attaching to a narrow space such as the spoke part of the handle, if the tip of the fastening part 8A or the band part 8B hits the side wall or rib on the other side of the attachment, There is a problem that it takes time and labor for the work, such as it is necessary to manually rotate and move the fastening portion 8A shifted to a position where there is no hindrance.

  The present invention solves such a conventional problem, and provides an operation-type electronic component that has a simple configuration, can easily fix a lead wire to a holding body, and can securely hold and fix the lead wire. For the purpose.

  In order to achieve the above object, the present invention has the following configuration.

The invention according to claim 1 of the present invention includes a substantially box-shaped case, an output unit that outputs an electrical signal in accordance with an operation of an operating body mounted on the case, and an external connection connected to the output unit. A lead wire extending from the case, a substantially columnar holding body protruding from the case and provided with a fixing portion on the tip side, a substantially rectangular fastening portion provided at one end, and a band portion extending from the fastening portion. parts and by winding the lead wire and the fixing portion by the fastening portion becomes said lead wire from the binding band is fixed to the fixed part, passing for inserting the band portion at substantially the center of the substantially columnar portion of the holding member A hole is provided, and a holding portion having a substantially concave shape with a substantially V-shaped cross section is provided on the upper surface of the fixing portion, and a protruding portion is provided on one side of the holding portion to face at a slightly wider interval than the width of the band portion, One surface of the substantially V-shape of the holding portion is the protrusion It is formed on the upper surface, and the fastening portion of the binding band is placed on the holding portion, and the band portion is arranged between the protruding portions to constitute an operation type electronic component. When the lead wire is fixed to the holding body by winding the wire and the fixing portion, the fastening portion is locked to the holding portion and is held so as not to rotate in the rotation direction that is the winding direction. The operation of fixing the holding body to the holding body is easy, and it is possible to obtain an operation-type electronic component in which the fixing position is not easily shifted after fixing and the holding and fixing is reliable.
In addition, the movement of the band part in the width direction is restricted, and in addition to preventing the binding band from rotating in the winding direction, the band part is also prevented from shifting in the width direction. The operation is easy and the lead wire can be held and fixed securely.

  As described above, according to the present invention, it is possible to obtain an advantageous effect that it is possible to realize an operation-type electronic component that has a simple configuration, can easily fix a lead wire, and can securely hold and fix the lead wire.

  Hereinafter, embodiments of the present invention will be described with reference to FIGS.

  In addition, the same code | symbol is attached | subjected to the part of the same structure as the structure demonstrated in the term of background art, and detailed description is simplified.

(Embodiment)
FIG. 1 is a perspective view of an operation-type electronic component according to an embodiment of the present invention as viewed from the back side, and FIG. 2 is a plan view of the operation type electronic component as viewed from the front side. A plurality of operation bodies 2 that can swing and move up and down are mounted on the front side.

  Reference numeral 13 denotes a back case made of an insulating resin such as polybutylene terephthalate or polyoxymethylene that covers the back side opening of the front case 1. The front and back cases 1 and 13 are electrically connected and disconnected according to the operation of the operation body 2. A switch contact such as a push switch (not shown) and a wiring board (not shown) on which various electronic components are mounted are accommodated.

  Reference numeral 13A denotes a connector portion that is provided at one end of the wiring board and is formed to be recessed in the back surface of the back case 13, and the output portion is constituted by the connector portion 13A, the switch contact, the wiring board, and the like.

  Reference numeral 4 denotes a plurality of lead wires, one end of which is fixed to the connector 5 and the other end is inserted through the insulating tube 6 and extends outward.

  In addition, the connector 5 is attached to the connector portion 13A of the back case 13, and the other end of the lead wire 4 is connected to an electronic circuit of the vehicle so that electronic devices such as audio are controlled in accordance with the operation of the operation body 2. It has become.

  Further, as shown in the perspective view of the main part of FIG. 3, reference numeral 17 denotes a substantially columnar holding body that protrudes from the back case 13 and is provided integrally therewith. A holding portion 17C having a substantially V-shaped cross section and a substantially concave shape is formed, and a fixing portion 17A having protrusions 17D formed at intervals slightly wider than the width of a binding band described later is provided on the right side of the holding portion 17C. ing.

  A binding band 8 made of an insulating resin such as polyamide is provided with a fastening portion 8A having a substantially rectangular shape at one end and an engagement hole 8C formed on the inside, and a band-like cross section on the surface from the fastening portion 8A. A band portion 8B in which a substantially serrated locking portion 8D is formed extends.

  The plurality of lead wires 4 covered with the insulating tube 6 are fixed portions 17A of the holding body 17 with the corners outside the fastening portion 8A of the binding band 8 placed on the substantially V-shaped holding portion 17C. In addition, the band portion 8B is wound and tightened, and the band portion 8B is locked to the fastening portion 8A, and the lead wire 4 is fixed to the fixing portion 17A to constitute the operation type electronic component.

  Here, a method of holding and fixing the lead wire 4 by the binding band 8 to the holding body 17 will be described with reference to a partial sectional view of FIG.

  First, from a state where only the holding body 17 is shown in FIG. 4A, a predetermined portion outside the fastening portion 8A of the binding band 8 is placed on the holding portion 17C above the fixing portion 17A as shown in FIG. 4B. The fastening portion 8A is placed with the corner portion and the substantially V-shaped corner portion of the holding portion 17C aligned, and the band portion 8B is disposed between the protrusion portion 17D on the right side of the holding portion 17C.

  Next, as shown in FIG. 4B, the band portion 8B is inserted through the through hole 17B from the right side, and the lead wire 4 is disposed in the vicinity of the left side of the fixed portion 17A.

  Then, as shown in FIG. 4C, the band portion 8B is wound together with the fixing portion 17A and the lead wire 4, and the engaging hole 8C of the fastening portion 8A is inserted to engage the locking portion 8D. Lock in the hole 8C.

  Further, as shown in FIG. 4 (d), the tip of the band portion 8B is pulled with a dedicated tool or the like, and the lead wire 4 is fastened to the fixing portion 17A, and then the unnecessary portion of the tip of the band portion 8B is cut.

  During such work, the fastening portion 8A of the binding band 8 is placed on the substantially V-shaped holding portion 17C, and the band portion 8B is disposed between the protruding portions 17D, so that the fastening portion 8A. Is not rotated and displaced with respect to the fixing portion 17A, and the band portion 8B does not move and shift in the width direction, so that the band portion 8B can be inserted into the engagement hole 8C of the fastening portion 8A, and thereafter The work of pulling and tightening the band portion 8B and the cutting operation of unnecessary portions are facilitated.

  The operation-type electronic component configured as described above is mounted on, for example, a spoke portion in the vicinity of the steering wheel of the steering wheel. However, at this time, a side wall or a rib inside the spoke portion on the mounting partner side is limited. The binding band 8 is disposed at a predetermined position and in a predetermined direction so that the insertion of the lead wire 4 and the binding band 8 on the lower surface of the operation-type electronic component is not hindered with respect to the storage space. Since the operation-type electronic component is easily mounted in the spoke portion and the lead wire 4 or the like hits the other side, damage can be prevented. .

  Then, when the operation-type electronic component mounted on the handle in this way is operated to press the operation portion indicated by “+” on the upper right side of the plurality of operation bodies 2 shown in FIG. The electric switch of the lower push switch is electrically connected / disconnected in accordance with the operation, and the electric signal is output to the electronic circuit of the vehicle via the lead wire 4 to increase the volume of the audio which is an electronic device in the vehicle, for example. As described above, the electronic apparatus in the vehicle is controlled in accordance with the operation of the operation type electronic component.

  As described above, according to the present embodiment, the substantially concave holding portion 17C is formed on the upper surface of the fixing portion 17A of the holding body 17, and the fastening portion 8A of the binding band 8 is placed on the holding portion 17C. When the lead wire 4 and the fixing portion 17A are wound by the band portion 8B of 8 and the lead wire 4 is fixed to the holding body 17, the fastening portion 8A is placed on the holding portion 17C and rotates in the rotation direction which is the winding direction. Since it is held so as not to rotate, the fixing work of the lead wire 4 to the holding body 17 is easy, and the fixing position of the distal end portion of the fastening portion 8A or the band portion 8B is not easily displaced even after the fixing. An operation-type electronic component that is securely fixed can be obtained.

  In addition, protrusions 17D arranged at intervals slightly wider than the width of the band portion 8B are provided on the sides of the substantially concave holding portion 17C, and the lead wire 4 is fixed by disposing the band portions 8B between the protrusions 17D. By doing so, the band portion 8B is not displaced in the width direction, and in addition to the rotational displacement in the winding direction by the binding band 8, the displacement of the band portion 8B in the width direction is prevented. The fixing work of the lead wire 4 is easy, and the holding and fixing of the lead wire 4 can be ensured.

  In the above description, the holding portion 17C of the holding body 17 is assumed to have a substantially V-shaped cross section and a substantially concave shape, and a predetermined corner portion outside the fastening portion 8A is placed and held on the holding portion 17C. As described above, if the fastening portion 8A is not easily displaced in the rotation direction, the holding portion may have a substantially concave shape such as a substantially U shape or a substantially mortar shape.

  In the above description, the holding portion 17C is formed on the upper surface of the fixing portion 17A, and the fastening portion 8A of the binding band 8 is held above the holding body 17. However, the holding portion 17C is held on the right side or the left side of the fixing portion 17A. It may be set by changing the holding position of the fastening portion 8A according to the condition of the storage space on the other side where the operation type electronic component is mounted, such as being formed at a predetermined position on the surface.

  Furthermore, the configuration in which the output part of the operation-type electronic component is formed by a push switch that performs electrical contact / separation by a swing operation or a pressing operation has been described. The present invention can also be implemented by using a variable resistor that performs electrical increase / decrease, or a switch or sensor that performs electrical contact / separation or increase / decrease in response to changes in magnetism or light.

  The operation-type electronic component according to the present invention has a simple configuration, can easily fix the lead wire, and can securely hold and fix the lead wire, and is mainly useful for controlling an electronic device such as an automobile. .

The perspective view of the operation type electronic component by one embodiment of this invention Plan view Perspective view of the main part Partial sectional view of the same Perspective view of conventional operation-type electronic components Plan view Partial sectional view of the same

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Front case 2 Operation body 4 Lead wire 5 Connector 6 Insulation tube 8 Binding band 8A Fastening part 8B Band part 8C Engagement hole 8D Locking part 13 Back case 13A Connector part 17 Holding body 17A Fixing part 17B Through-hole 17C Holding part 17D Protrusion

Claims (1)

A substantially box-shaped case, an output unit that outputs an electrical signal in response to an operation of an operating body attached to the case, a lead wire connected to the output unit and extending outward, and protruding from the case substantially columnar holder having a fixing portion on the front end side, extending the band portion from the coupling part provided with a substantially rectangular fastening portion at one end, the lead line and the fixed by the band portion and the fastening portion parts by winding becomes the lead wire from the binding band is fixed to the fixed part, provided with a through hole for inserting the band portion at substantially the center of the substantially columnar portion of the holding member, the cross-section on the upper surface of the fixed part A substantially V-shaped and substantially concave holding portion is provided, and one side of the holding portion is provided with a projecting portion facing at a slightly wider interval than the width of the band portion, and one side of the substantially V-shape of the holding portion Is formed on the upper surface of the protruding portion, and is With disposing the fastening portion of the binding band, the operation type electronic component arranged above the band portion between each said protrusion.

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