KR100901550B1 - Structure for Switch of Steering Wheel - Google Patents

Abstract

The present invention relates to a switch structure for steering wheel position adjustment. The steering wheel position adjustment switch structure according to the present invention is a steering wheel position adjustment switch structure used to easily operate a hydraulic device or an electric motor mounted to allow the driver to directly adjust the distance and angle with the driver. A main body housing having a knob turning part having a space therein and opening downwardly, the upper surface protruding in a hemispherical shape to form a through hole in the center thereof; An operation knob mounted on a lower portion of the knob turning portion and rotated in a vertical direction in which the upper portion is operated by a user; A receiving portion is formed in the inner space of the main body housing below the knob turning portion, a connecting lever inserted into the through hole of the knob turning portion and coupled to the lower end of the operating knob, and a plate accommodated in the receiving portion of the main housing. A rotary switch operating part including a working plate extending vertically to a lower portion of the connecting lever in a shape, and a rotating part formed to be in contact with a bottom surface of the knob turning part of the main housing at an upper side of the connecting lever and the operating plate formed vertically; A switch unit in which one or more vertical pressurized text switches are fixedly connected to an upper portion of the PCB so as to be adjacent to a lower side of the operating plate of the rotary switch operation unit; And a lower panel detachable to cover the lower side of the main body housing. The switch structure for adjusting the steering wheel position, characterized in that it comprises a.

According to the present invention, the steering wheel position adjustment switch structure is located on the PCB and one or more vertical pressurized tactile switch is provided on the upper side by pressing the vertical pressurized tactile switch in the corresponding direction in accordance with the operator's operating knob operation downwards By providing the rotary switch operation portion to contact each, it has the effect of reducing the possibility of poor contact and improve the connection performance to increase the reliability of the operation. And an intermediate fixing plate secured between the rotary switch operation unit and the switch unit PCB and the inner member for rotation, to guide, guide, and support the operation radius of the operation plate for pressing the tact switch. The operation of the switch unit according to the operation is stable and has the effect of increasing the engagement durability.

Description

Switch structure for steering wheel position adjustment {Structure for Switch of Steering Wheel}

1 is an exploded perspective view schematically showing a coupling structure of a steering wheel position adjusting switch according to the prior art.

Figure 2 is a perspective view schematically showing a rotary switch operation unit and the operating structure of the switch unit of the steering wheel position adjustment switch according to the prior art.

Figure 3 is an exploded perspective view schematically showing a coupling structure of the steering wheel position adjustment switch according to the present invention.

Figure 4 is a perspective view schematically showing the structure of the steering wheel position adjustment switch of the present invention.

5 is a view schematically showing the shape of the main body housing and the rotary switch operating portion of the present invention.

6 is a view schematically showing the operating structure of the rotary switch operating unit, the intermediate fixing plate and the switch unit of the present invention.

<Description of Signs of Major Parts of Drawings>

100: main unit housing 110: knob turning part

120: receiving portion 121: stopper groove

200: operation knob 300: rotary switch operation unit

310: connecting lever 320: operating plate

321: stopper protrusion 322: pressing portion

330: rotating part 340: inner member

341: elastic member 400: intermediate fixing plate

401: fixing protrusion 410: rib

420: inside groove 430: through hole

500: switch unit 501: fixing groove

510: PCB 520: wire

530: connecting portion 540: vertical pressure switch (Tact Switch)

600: lower panel

The present invention relates to a switch structure for adjusting a steering wheel position, and more particularly, a hydraulic device used to move the steering wheel of a vehicle forward and backward or adjust an angle so that the driver can adjust the distance and angle with the driver. A switch structure for steering wheel position adjustment for causing an electric motor to be movable contacted or released.

In general, the steering wheel of the driver's seat, which is a steering device of a vehicle, moves forward or backward according to a user's physical condition and convenience, or adjusts an up and down angle so as to travel in a more comfortable posture.

In general, a hydraulic device or an electric motor is driven through a control unit by receiving a signal of a steering wheel position adjustment switch, and the gear mounted on the steering wheel is moved in response to the gear mounted on the driving side of the hydraulic device or the electric motor. The steering wheel can be moved back and forth or the vertical angle can be adjusted.

1 is an exploded perspective view schematically showing a coupling structure of a steering wheel position adjustment switch according to the prior art, Figure 2 is a perspective view schematically showing the operating structure of the rotary switch operating portion and the switch portion of the steering wheel position adjustment switch according to the prior art to be.

1 and 2, the conventional steering wheel position adjustment switch is connected to the lower side of the operating knob 20, the switch operating bar 30 is rotated horizontally in accordance with the operating direction of the operating knob 20 By pressing the Tact switch (tact switch) provided on the PCB (Printed Circuit Board 10).

Tact switch is coupled to the upper part of the normal PCB 10, which is a wiring board manufactured by printing on a copper foil on an insulating material by screen printing, plating, etching, etc. do.

In the related art, a horizontal pressure type tact switch 40 is used as a tact switch for rapidly contacting and opening and closing a contact according to a user operation of the operation knob 20 to transmit an application signal from the PCB 10. The horizontal pressure-tact switch 40 is fixedly connected to face each other in the four directions of the upper surface of the PCB 10 toward the center, and the switch operation bar 30 is installed so as to be located in the center.

According to the operation direction of the operation knob 20, the switch operation bar 30 is rotated in the direction in which the horizontal pressure-sensitive text switch 40 is located, and accordingly, the switch operation bar 30 is the horizontal pressure The text switch 40 is contacted by pushing from the inside to the outside.

Wires 12 to be welded are connected to the terminals of the PCB 10, and the other end of the wire 12 includes a connecting portion 14.

In addition, the connecting unit 14 is connected to a control unit (not shown), and as a user manipulates the operation knob 20 by hand, the signal of the horizontal pressure-sensitive text switch 40 is applied to the control unit. The control unit is configured to control the hydraulic device or the electric motor used to move the steering wheel of the vehicle back and forth or adjust the angle.

However, the conventional steering wheel position adjustment switch of the above-described structure is precisely pressurized the horizontal pressure-sensitive text switch 40 located in the four directions of the PCB 10 due to the nature of the switch operating bar 30 to rotate around one point It is difficult to, and the coupling and support strength of the horizontal pressure-tact Tact switch 40 and the switch operation bar 30 of the PCB 10 is not only poor contact frequently occurs, but also the durability between the internal configuration is low reliability of the operation There was a problem.

The present invention is to solve the above-mentioned problems, the contact is provided with a rotary switch operation unit for contacting by pressing the vertical pressurized tactile switch in the corresponding direction downwards and the PCB is provided on the vertical pressurized tactile switch, It is an object of the present invention to provide a switch structure for steering wheel position adjustment that can increase the reliability of operation by reducing the possibility of defects and improving the connection performance.

In addition, an intermediate fixing plate fixed between the rotary switch operating part and the switch part PCB and an inner member are provided to guide, guide, and support the operating radius of the operating plate for pressing the tactile switch to operate the operating knob. It is an object of the present invention to provide a switch structure for adjusting the steering wheel position which is stable in the operation of the switch unit and which can increase the coupling durability.

In order to solve the above technical problem, the present invention, the steering wheel position adjustment for the steering wheel used to easily operate a hydraulic device or an electric motor mounted so that the driver can directly adjust the distance and angle with the driver directly In the switch structure, the main body housing having a knob turning portion having a space therein is opened downward, the upper surface protrudes in a hemispherical shape to form a through hole in the center; An operation knob mounted on a lower portion of the knob turning portion and rotated in a vertical direction in which the upper portion is operated by a user; A receiving portion is formed in the inner space of the main body housing below the knob turning portion, a connecting lever inserted into the through hole of the knob turning portion and coupled to the lower end of the operating knob, and a plate accommodated in the receiving portion of the main housing. A rotary switch operating part including a working plate extending vertically to a lower portion of the connecting lever in a shape, and a rotating part formed to be in contact with a bottom surface of the knob turning part of the main housing at an upper side of the connecting lever and the operating plate formed vertically; A switch unit in which one or more vertical pressurized text switches are fixedly connected to an upper portion of the PCB so as to be adjacent to a lower side of the operating plate of the rotary switch operation unit; And a lower panel detachable to cover the lower side of the main body housing.

In addition, the pressing portion which is formed to protrude in the upper, lower, left and right four directions to the outer bottom surface of the operation plate is provided, and the vertical pressure-type text switch in the upper and lower, left and right four directions corresponding to the pressing portion is provided on the upper surface of the PCB It is characterized in that each provided.

In addition, the rotary switch actuating portion can be inserted into the lower side of the connecting lever, and has a length protruding a predetermined length below the connecting lever, the lower end protruding the inner member is formed; An elastic member inserted between the connecting lever and the inner member to support the inner member to have tension up and down; And a plate having a predetermined width fixed to be positioned between the rotary switch operation unit and the switch unit in the main body housing, respectively, formed through the corresponding pressurized tactile switch to correspond to the position where the vertical pressure tact switch of the PCB is provided. An intermediate fixing plate is provided with a through hole for exposing the switch to the upper portion, and a central portion of the rotary switch operating portion has an intaglio hemispherical hollow groove having a depth corresponding to a length of the inner member protruding downward; Characterized in that it further comprises a.

In addition, one or more fixing protrusions protruding downward from the bottom surface of the intermediate fixing plate is formed, the PCB is formed to correspond to the fixing protrusion, the fixing protrusion is inserted to fix the intermediate fixing plate and the PCB It characterized in that made further comprising a fixing groove;

In addition, the reinforcing ribs formed on the upper surface or the bottom surface of the intermediate fixing plate in the longitudinal direction from the center of the intermediate fixing plate to the outer side; characterized in that it further comprises.

In addition, the operation plate of the rotary switch operation unit includes a stopper protrusion protruding laterally at intervals of 90 ° in each of four directions along the outer edge portion; Is formed, the receiving portion of the main body housing has a width corresponding to the stopper projection is inserted into the respective stopper projection, the stopper groove is formed so that the stopper projection is only movable up and down inside; It features one.

Hereinafter, the present invention will be described with reference to the accompanying drawings, and in the following description, when it is determined that a detailed description of a related well-known function or configuration may unnecessarily obscure the subject matter of the present invention, The description may be omitted.

Figure 3 is an exploded perspective view schematically showing a coupling structure of the steering wheel position adjustment switch according to the present invention, Figure 4 is a perspective view schematically showing the structure of the steering wheel position adjustment switch of the present invention. 3 and 4, the steering wheel position adjustment switch of the present invention is the main housing 100, the operating knob 200, the rotary switch operating unit 300, the intermediate fixing plate 400, the switch unit 500 ), Consisting of a lower panel 600.

The main body housing 100 is formed in a box shape having a space therein and opening downward. A knob turning part 110 to which the operating knob 200 is connected is formed on an upper surface of the main body housing 100.

The knob turning portion 110 protrudes in a hemispherical shape, a through hole is formed in the center thereof, the operation knob 200 is mounted on the upper surface thereof is rotatably connected.

The lower part of the operation knob 200 is formed in a cylindrical shape having a diameter raised on the knob turning part 110, and has a female screw part to which a bolt is coupled to an inner center thereof. The lower part is formed to rotate correspondingly in the operation.

An accommodating part 120 is formed in an inner space of the main body housing 100, and the accommodating part 120 is formed in a vertical cylindrical shape to be positioned below the knob turning part 110.

The rotary switch operating part 300 is connected to the operating knob 200 to be interlocked with the receiving part 120 of the main body housing 100. The rotary switch operation unit 300 is composed of a connection lever 310, the operation plate 320, the rotating unit 330.

The connecting lever 310 is formed in a cylindrical shape having a diameter that can be inserted into the through hole of the knob turning part 110, and is inserted into and connected to the lower end of the operating knob 200 through the through hole. do. At this time, the connection lever 310 and the operating knob 200 is preferably bolted into the interior.

The operation plate 320 is formed in the shape of a disc corresponding thereto to be inserted into the receiving portion 120 of the main body housing 100 and extends perpendicularly to the lower portion of the connection lever 310.

The rotating part 330 is formed along the circumference of the connecting lever 310 on the upper side of the operating plate 320 corresponding to the connecting lever 310 and the operating plate 320 is vertically formed. The rotating part 330 is formed in a hemispherical shape corresponding to the bottom surface of the knob turning part 110 of the main body housing 100.

When the operation knob 200 is manipulated in a desired direction by the operator, the rotary switch operation unit 300 connected through the connection lever 310 is the rotary unit 330 is a receiving portion of the main housing 100. While rotating around the operation plate 320 inside the 120, the inclination of the operation plate 320 is inclined corresponding to the operation direction of the operation knob 200.

The switch unit 500 may include a PCB (Printed Circuit Board) 510, a wire 520, a connecting unit 530, and a vertical pressure switch 540.

One or more vertical pressure-tact switch 540 is provided on the upper portion of the conventional PCB 510. The vertical pressure-tact switch 540 has a structure in which both terminals are grounded as pressure is applied vertically. Compared to the horizontally pressurized tact switch 40 used in the related art, the area to be pressurized and the durability are high, and there is a low possibility of poor contact, and the reliability of the operation is high.

At least one vertically pressurized text switch 540 is fixed to the upper portion of the PCB 510 such that the rotary switch operating part 300 is positioned adjacent to the lower side of the operating plate 320. At this time, the pressing portion 322 to be described later is formed on the bottom surface of the operation plate 320, four pressing portions 322 are also formed so as to correspond to the up, down, left and right four directions in which the operation knob 200 is operated. In addition, the vertically pressurized text switch 540 is also located below the pressing portion 322, respectively, so that the pressing portion 322 of the operation plate 320 in accordance with the operation direction is the vertical pressurized text switch (below) It is desirable to press 540 to ground.

The wire 520 is welded to the terminals of the PCB 510 of the switch unit 500, and the connecting unit 530 is provided at the other end of the wire 520.

The lower panel 600 is detachable to cover the lower side of the main body housing 100, the rotary switch operation unit 300 inside the main body housing 100, the intermediate fixing plate 400 and the switch unit 500 to be described later Is received and positioned below, to seal the body housing (100).

5 is a view schematically showing the shape of the main body housing and the rotary switch operation unit of the present invention, Figure 6 is a view schematically showing the operation structure of the rotary switch operation unit, the intermediate fixing plate and the switch unit of the present invention. 5 and 6, the steering wheel position adjusting switch of the present invention may further include an inner member 340, an elastic member 341, and an intermediate fixing plate 400.

The inner member 340 and the elastic member 341 are inserted into the lower side of the rotary switch operation unit 300.

The inner member 340 is formed in a cylindrical shape so as to be inserted into the lower end of the connection lever 310 of the rotary switch operation unit 300, and exposed by a predetermined length protruding downward from the connection lever 310. The lower end of the inner member 340 is exposed to the rotary switch operation unit 300 is downwardly formed to protrude in a round hemispherical shape.

In addition, the inner member 340 is inserted into the rotary switch operation unit 300, the connecting lever 310 through the lower end, is exposed by a predetermined length downward, the inner member 340 is tensioned up and down during the rotation It is to be provided with an elastic member 341 to support the.

The inner member 340 is intermittently inserted into the rotary switch operating part 300 while the elastic member 341 is fitted therein.

The round hemispherical lower end of the inner member 340 is held in close contact with the inner groove 420 of the middle fixing plate 400 which will be described later.

The intermediate fixing plate 400 is horizontally fixed to be positioned between the rotary switch operating unit 300 and the switch unit 500 in the main body housing 100, and corresponds to a width of the main housing 100. It is formed in the form.

The intermediate fixing plate 400 is tightly fixed to the upper surface of the PCB 510. At this time, the intermediate fixing plate 400 penetrates to correspond to the position where the PCB 510 vertical pressure type text switch 540 is provided. A hole 430 is formed to expose the vertical pressure switch 540 to the upper portion of the intermediate fixing plate 400.

At least one fixing protrusion 401 is formed on the bottom of the intermediate fixing plate 400 to protrude downward, and the fixing groove 501 is formed in the PCB 510 to correspond to the fixing protrusion 401. Preferably, the fixing protrusion 401 is inserted into the fixing groove 501 to fix the intermediate fixing plate 400 and the PCB 510 to be fixed.

An inner groove 420 is formed in the center portion of the middle fixing plate 400 in an intaglio hemispherical shape, and the inner member 340 is tightly attached to the inner groove 420 while having a tension up and down. Is supported.

In addition, one or more ribs 410 may be formed on an upper surface or a bottom surface of the intermediate fixing plate along the longitudinal direction from the center of the intermediate fixing plate 400 to reinforce the strength of the intermediate fixing plate 400. .

In addition, the outer bottom surface of the operation plate 320, the pressing portion 322 in each of the upper and lower, left and right four directions are formed to protrude, by pressing the vertical pressure-type text switch 540 to be positioned below the stable It is desirable to ground the.

The inner groove 420 during the rotation serves to guide the rotation radius of the inner member 340 during the rotation, and the rotatable range of the inner member 340 is determined according to the width of the inner groove 420 during the rotation. do. At this time, the rotation range of the inner member 340 is set so that the pressing portion 322 of the operating plate 320 is rotated to the position capable of pressing the vertical pressure-type text switch 540 of the switch unit 500.

In addition, the operation plate 320 of the rotary switch operation unit 300 is formed with a stopper protrusion 321 protruding laterally at intervals of 90 ° in each of four directions along the outer edge portion, the body housing 100 of the Stopper grooves 121 are formed at positions corresponding to the stopper protrusions 321 on the outer side of the accommodating part 120.

The stopper groove 121 has a width that is inserted corresponding to the stopper protrusion 321, respectively, and the stopper protrusion 321 is formed to be movable only up and down in the interior thereof, thereby extending the rotation range of the operation plate 320. By guiding, the pressing part 322 of the operation plate 320 serves to prevent the vertical pressure switch 540 from deviating from above.

The pressing portion 322 of the operating plate 320 is switched by the stopper groove 121 for guiding the inner groove 420 and the stopper protrusion 321 for guiding the inner member 340 during the rotation. By accurately pressing the vertical pressure-type text switch 540 of 500, there is an advantage that the reliability of the operation is increased.

As such, although the invention has been described by way of limited embodiments and drawings, the invention is not limited thereto and is within the scope of equivalents of ordinary skill and the claims to be described below in the technical field to which the invention pertains. Various modifications and variations are possible, of course.

As described above, the steering wheel position adjustment switch structure according to the present invention is located on the PCB and one or more vertical pressure switch is provided with a vertical pressurized text switches in the corresponding direction according to the operation of the operator's operating knob. By providing a rotary switch operation unit for contacting by pressing downward, respectively, there is an effect that can reduce the possibility of poor contact, improve the connection performance to increase the reliability of the operation.

And an intermediate fixing plate secured between the rotary switch operation unit and the switch unit PCB and the inner member for rotation, to guide, guide, and support the operation radius of the operation plate for pressing the tact switch. The operation of the switch unit according to the operation is stable and has the effect of increasing the engagement durability.

Claims (6)

In the switch structure for steering wheel position adjustment, which is used to easily operate a hydraulic device or an electric motor mounted so that the driver can directly adjust the distance and angle of the vehicle with the steering wheel of the vehicle, A main body housing having a knob turning part having a space therein and opening downwardly, the upper surface of which has a hemispherical shape and a through hole formed in the center thereof; An operation knob mounted on a lower portion of the knob turning portion and rotated in a vertical direction in which the upper portion is operated by a user; A receiving portion is formed in the inner space of the main body housing below the knob turning portion, A connection lever inserted into the through hole of the knob turning part and connected to a lower end of the operation knob; an operation plate extending perpendicularly to the lower part of the connection lever in a plate shape accommodated in the accommodation part of the main body housing; A rotary switch operating part including a rotating part formed to be in contact with a bottom surface of the knob turning part of the main body housing at an upper side of which the connection lever and the operation plate are vertically formed; A switch unit in which one or more vertical pressurized text switches are fixedly connected to an upper portion of the PCB so as to be adjacent to a lower side of the operating plate of the rotary switch operation unit; And And a lower panel detachable to cover the lower side of the main body housing. The method of claim 1, It is provided with a pressing portion protruding in the upper and lower, left and right four directions to the outer bottom surface of the operation plate, Switching structure for steering wheel position adjustment on the upper surface of the PCB, characterized in that the vertical pressure-tact switch is provided in the up, down, left and right four directions respectively corresponding to the pressing portion. The method of claim 1, An inner member which can be inserted into the connection lever lower side of the rotary switch operation part, has a length protruding a predetermined length downward from the connection lever, and the lower end portion protrudes; An elastic member inserted between the connecting lever and the inner member to support the inner member to have tension up and down; And In the form of a plate of a predetermined width fixed to be positioned between the rotary switch operation unit and the switch in the housing, each of the vertical pressure-tact switch is formed through the corresponding to the position where the vertical pressure-tact switch of the PCB is provided A through hole is provided to be exposed to the upper portion, and the center portion of the rotary switch operating portion of the rotary fixing member has a depth corresponding to the length corresponding to the length protruding downward in the intaglio hemispherical hollow middle plate is formed; Switch structure for adjusting the steering wheel position, characterized in that made. The method of claim 3, wherein One or more fixing protrusions protruding downward from the bottom of the intermediate fixing plate is formed, The PCB is formed to correspond to the fixing projections, the fixing protrusion is inserted into the fixing projections for fixing the intermediate fixing plate and the PCB; steering wheel position adjustment switch structure characterized in that it further comprises. The method of claim 3, wherein And a strength reinforcing rib formed on an upper surface or a bottom surface of the middle fixing plate along a longitudinal direction from the center of the middle fixing plate to the outer side. The method of claim 1, The operating plate of the rotary switch operation unit includes a stopper protrusion protruding laterally at intervals of 90 ° in each of four directions along an outer edge thereof; Is formed, And a stopper groove having a width corresponding to the stopper protrusion to be inserted into the receiving portion of the main body housing, the stopper protrusion being formed to be movable only up and down inside the steering wheel. Wheel position switch.

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