KR100862003B1 - Lever type switch device for a vehicle - Google Patents

Abstract

A lever type switch device is provided to reduce a manufacturing cost and increase productivity by reducing the number of components. A lever type switch device includes a lever switch housing, a lever, and a switch unit(10). The lever is rotatably arranged on the lever switch housing. The switch unit is located on a free terminal of the lever. The switch unit has a unit housing(100), a unit printed circuit board(200), and a unit knob(300). The unit housing is arranged on a stepped unit of the lever. The unit printed circuit board is arranged on the inside of the unit housing. The unit knob is coupled to the unit printed circuit board. A rotation axis of the unit lever crosses a length direction axis of the lever. The unit knob includes a knob body(310), a knob movable terminal(320), and a knob body installation unit(115). The knob body is rotatably arranged from the rotation axis. The knob movable terminal is installed on a plane of the knob body toward the unit printed circuit board. The knob body movable terminal is electrically coupled to the unit printed circuit board. The knob body installation unit for the rotation of the knob body is installed on the unit housing.

Description

Lever switch device {LEVER TYPE SWITCH DEVICE FOR A VEHICLE}

1 is a schematic perspective view of a lever switch device according to an embodiment of the present invention.

2 is a schematic perspective view of a switch unit of a lever switch according to an embodiment of the present invention.

3 is a partially exploded perspective view of a switch unit according to an embodiment of the present invention.

4 is a schematic perspective view of a unit housing body of a switch unit according to an embodiment of the present invention.

5 is a schematic perspective view of a unit housing cover of a switch unit according to an embodiment of the present invention.

6 is a schematic perspective view of a unit knob of a switch unit according to an embodiment of the present invention.

7 is a schematic perspective view illustrating a state in which a unit knob is mounted on a unit housing body of a switch unit according to an embodiment of the present invention.

8 is a schematic partial cross-sectional view of a switch unit according to another embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

1.Lever switch unit 10 ... Switch unit

100 ... Unit housing 110 ... Unit housing body

120 ... Unit housing cover 130 ... Unit knob holder

200 ... Unit Printed Circuit Board 300 ... Unit Knob

310 ... knob body 320 ... knob movable terminal

400 ... Unit Theft 410 ... Unit Theft

420 ... Unit Theft Ball 30 ... Unit Theft Elastic Member

440 ... Unit Theft Receptacle

The present invention relates to a lever switch device, and more particularly to a lever switch device having a switch unit of the structure to simplify the components to improve productivity.

Vehicles such as automobiles are required to function beyond various functions as a moving means as various convenient means for allowing a user to provide a more stable and comfortable driving state. Therefore, the vehicle is equipped with various convenience facilities and various switches for operating and controlling the same, and in consideration of the driver's operability, various switches tend to be concentrated in the steering unit.

For example, a steering wheel of a recently produced vehicle is provided with a window switch for opening and closing a window, a steering light switch for turning on / off a steering light, an audio switch for driving audio, a wiper switch for driving a wiper, and the like.

On the other hand, in addition to the various switch devices, components such as a steering roll connector (SRC) and a slip ring (SRC) for supplying power to the switches are disposed at the bottom of the steering wheel. In terms of volume, compactness of other components such as switches mounted on the steering wheel is required in order to efficiently use the limited space of the steering section.

In general, the light switch and the wiper switch are formed in a lever type and are arranged on the left to right side of the driver. In the case of the switch type, the light switch and the wiper switch have a predetermined mode desired by the driver by moving the lever up and down with respect to the rotation center. By generating an electrical signal for can drive various components. When the lever-type switch is formed of a combination switch having a rotary switch and a push switch as well as a vertical movement, the internal configuration becomes quite complicated.

However, the lever switch according to the prior art has a structure in which a rotary type switch unit is disposed through the shaft of the lever. Therefore, since the central axis of the lever must be disposed through the lever switch, assembly is difficult due to the compactness of the assembly space, and the number of parts is increased, thereby reducing the production cost and productivity.

In addition, the lever switch according to the prior art, when the driver rotates the rotary type switch unit in the direction of the rotation axis of the conventional lever switch, the driver is holding the rotary type switch unit around the wrist and / or forearm There is a problem in that it takes a non-ergonomic structure that causes discomfort in operation in that it must be rotated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object thereof is to provide a lever switch device having a simple structure that can increase productivity and operability.

The present invention for achieving the above object, the lever switch housing; A lever rotatably disposed with respect to the lever switch housing; And a switch unit positioned at a free end of the lever, wherein the switch unit comprises: a unit housing disposed at an end of the lever, a unit printed circuit board disposed inside the unit housing, and an interior of the unit housing. And a unit knob disposed in a plurality of electrical connections with the unit printed circuit board, the rotating shaft having a unit knob intersecting the longitudinal axis of the lever.

In the lever switch device, the unit knob is mounted on one side of the knob body rotatably around the rotational shaft and toward the unit printed circuit board of the knob body and electrically connected to the unit printed circuit board. And a knob body mounting portion for rotating the knob body in the unit housing. For example, the unit knob includes: a knob body through hole formed in parallel with the rotation shaft. And a knob movable terminal mounted on one surface of the knob body facing the unit printed circuit board and making electrical connection with the unit printed circuit board, the unit housing being inserted into the knob body through hole. Knob body mounts may be provided that are arranged so as to be arranged. In addition, a knob guide may be provided on one surface of the unit housing facing the knob body, and the knob body may be provided with a knob guide counterpart for contacting the knob guide to guide rotation of the unit knob.

In the lever switch device, a unit theft portion for stealing the rotation of the unit knob may be further provided, the unit theft portion: a unit theft mount formed on one surface of the unit housing facing the unit knob, and the unit A unit theft receptacle formed on the unit knob toward the theft mountain, a unit theft resilient member disposed to be elastically deformable to the unit theft receptacle, and contact between the unit theft resilient member and the unit theft It may be equipped with a unit theft ball. In addition, the unit theft portion: a unit theft mount formed on one surface toward the center of the unit knob of the unit housing, a unit theft receiver formed radially from the rotation center of the unit knob, and the unit theft receiver A unit theft elastic member arranged to be elastically deformable, and a unit theft ball disposed in contact between the unit theft elastic member and the unit theft mount may be provided.

Hereinafter, a lever switch device according to the present invention will be described with reference to the drawings.

1 shows a schematic perspective view of a lever switch device 1 according to an embodiment of the invention. The lever switch device 1 according to an embodiment of the present invention includes a lever switch housing 2, a lever 3, and a switch unit 100. The lever switch housing 2 is disposed on the outer circumference of the steering wheel column apparatus (not shown) of the vehicle, and one end of the lever 3 is disposed rotatably inside the lever switch housing 2. The central axis of the lever 3 is arranged on the line A-A, the lever 3 being rotatable on the x-y and y-z planes of the x-y-z coordinate axis. The switch unit 10 is disposed at the other end of the lever 3 as a free end, and a protector cover 4 may be further provided between the lever switch housing 2 and the switch unit 10. ) Can prevent foreign substances from entering due to external exposure of the connecting portion of the lever 3.

2 shows a schematic perspective view of the switch unit 10, and FIG. 3 shows a schematic exploded perspective view of the switch unit 10. The switch unit 10 includes a unit housing 100, a unit printed circuit board 200, and a unit knob 300. The unit housing 100 is disposed at an end of the lever 3 and the unit printed circuit. The substrate 200 is disposed inside the unit housing 100, and the unit knob 300 is disposed inside the unit housing 100.

4 is a schematic perspective view of a unit housing body 110 according to an embodiment of the present invention, and FIG. 5 is a schematic perspective view of a unit housing cover 120 according to an embodiment of the present invention. do. The unit housing 100 includes a unit housing body 110 and a unit housing cover 120, which is connected to the lever 3. The unit housing body lever extension 116 is disposed between the unit housing body 110 and the lever 3. The unit housing body lever extension 116 is provided with a body lever extension through hole 117 to transmit an electrical signal from the unit printed circuit board 200 to an external electric device. Here, the unit housing body 110 and the lever 3 is shown as being integrally formed, but various modifications are possible, such as taking a separate configuration from each other.

The unit housing body 110 is provided with a body coupling portion 111 and the unit housing cover 120 is provided with a cover coupling portion 121, and these coupling portions have a structure in which they engage or fasten with each other. ) And the unit housing cover 120 may be coupled to each other. When the inner surface of the unit housing body 110 and the unit housing cover 120 is fastened to the surface facing the unit housing cover 120 is provided with a printed circuit board mounting portion 112, the printed circuit board mounting portion 112 is a unit printing The unit printed circuit board 200 may be stably mounted in the unit housing 100 by having a structure disposed through the printed circuit board mounting counterpart 212 formed in the circuit board 200.

The unit housing 100 further includes a unit knob holder 130, which limits the excessive rotation of the unit knob 300, which is described below, and the unit housing body 110 and the unit housing 100 of the unit housing 100. Restriction of foreign matters is inserted into the mounting internal space of the unit housing cover 120. The knob holder body mounting portion 113 and the knob holder cover mounting portion 123 are provided on the side surfaces of the unit housing body 110 and the unit housing cover 120 that are in contact with each other. The holder 130 may be fastened to the unit housing body 110 and the unit housing cover 130. The center of the unit knob holder 130 is provided with a holder through hole 131 to allow the unit knob 300 to penetrate, and the side of the unit knob holder 130 is provided with a knob holder mounting portion formed in the unit housing 100 ( When the holder mounting protrusion 133 is formed to achieve a fixed mounting on the 113 and 123, the unit knob holder 130 is attached to the side of the unit knob holder 130 due to excessive entry of the unit knob holder 130 to the unit housing body ( A holder support 132 may be provided to prevent entry into the interior space of the unit housing cover 120 and 110.

The unit printed circuit board 200 is provided with a plurality of fixed contacts for connection with the knob movable terminal 320 of the unit knob 300 to be described below, and various electrical elements and wires are arranged. .

The unit knob 300 is at least partially disposed in an inner space formed by the unit housing body 110 and the unit housing cover 120 of the unit housing 100, and makes a plurality of electrical connections with the unit printed circuit board 200. The rotating shaft then intersects the longitudinal axis of the lever 3. That is, as shown in FIG. 1, the rotation axis (line BB) of the unit knob 300 intersects without being parallel to the central axis of the lever 3, that is, the longitudinal axis (line AA) of the lever 3. Take a vertical intersecting structure.

6 is a schematic perspective view of a unit knob 300 according to an embodiment of the present invention. The unit knob 300 has a knob body 310 and a knob movable terminal 320. The knob body 310 has a knob body through hole 317 formed therein, and the unit housing body 110 of the unit housing 100 has a knob body mounting portion 115, and the knob body mounting portion 115 has a unit printed circuit. The unit knob 300 is rotatably mounted to the unit housing 100 by penetrating through the mounting part through hole 210 formed in the substrate 200 and penetrating through the knob body through hole 317. The unit housing cover 120 is provided with a knob cover mounting portion 125 (refer to FIG. 5), and the knob cover mounting portion 125 is engaged with the knob body mounting portion 115 to achieve stable rotation of the unit knob 300. Here, the knob cover mounting portion 125 has a structure that is inserted into the through-hole formed in the center of the knob body mounting portion 115, which is an example of the present invention, but the present invention is not limited thereto. In addition, although the through-hole is provided on the knob body side and the projection is formed in the unit housing, it is obvious that they may take the opposite structure to each other. The outer periphery of the knob body 310 is provided with a knob protrusion 311 and the knob extension 312, the knob protrusion 311 is formed extending in the radial direction from the center of the rotation axis of the knob body 310, the knob extension The part 312 extends on the outer circumference of the knob body 310 to increase driver's operability and introduce foreign substances into the unit housing 100 through the holder through hole 131 of the unit knob holder 130. Prevent it.

The knob movable terminal 320 is formed of a conductive material, and may have a structure in which the knob movable terminal mounting portion provided in the knob movable terminal 320 is inserted into and mounted on the terminal mounting portion 313 formed on the side of the knob body 310. . In addition, a terminal guide protrusion 315 is provided on one surface of the knob body 310 and a terminal guide protrusion corresponding portion 325 is formed on the knob movable terminal 320, such that the knob movable terminal 320 is the knob body 310. To keep it mounted stably. The knob movable terminal 320 is formed on the unit printed circuit board 200 by protruding toward the unit printed circuit board 200 when the knob body 310 is the knob body mounting portion 115 of the unit housing body 310. Terminal contacts 326 are formed that selectively make electrical connections with a plurality of fixed contacts (not shown) formed.

7 is a schematic perspective view of a state in which a unit knob is mounted to a unit housing body according to an embodiment of the present invention. The knob body 310 of the unit knob 300 is rotatably mounted around the knob body mounting unit 115, and the knob protrusion 311 of the knob body 310 is a holder through-hole of the unit knob holder 130. 131 penetrates and is exposed to the outside. Here, the excessive rotation of the unit knob 300, more specifically the knob protrusion 311 is limited by the unit knob holder 130, as described above, the line OC formed from the rotation center (O) is the line OC0, the line The knob protrusion of the knob body 310 penetrates through the holder through-hole 131 of the unit knob holder 130 so as to be rotatable at an angle of rotation φA + φB between OC1.

On the other hand, the lever switch device according to an embodiment of the present invention may be further provided with a component for guiding the movement to achieve a stable rotation of the unit knob. That is, as illustrated in FIGS. 5 and 7, a knob guide 126 is provided at one surface of the unit housing 100 facing the knob body 310 of the unit housing cover 120, and the knob body 310 is provided at the knob body 310. A knob guide counterpart 316 is disposed in contact with the knob guide 126 to guide rotation of the knob body 310 of the unit knob 300.

The knob guide 126 is formed in an arc shape around the knob cover mounting portion 125 formed on the unit housing cover 120, and the knob guide counterpart 316 is formed from the knob body 310 by the unit housing cover ( Protruding toward 120. The knob guide counterpart 316 is guided in contact with the knob guide 126, such that the knob body 310 may be stably rotated about the rotational axis (line BB, see FIG. 1) or the rotational axis (line) It is also possible to prevent the movement of the BB) in the axial direction.

On the other hand, the lever switch device according to the present invention may further be provided with a unit theft section for stealing the rotation of the unit knob. That is, as shown in FIGS. 5 and 7, the unit theft part 400 includes a unit theft mount 410, a unit theft receiver 420, a unit theft elastic member 430, and a unit theft ball ( 440). The unit theft mount 410 is formed on one surface facing the unit knob 300 of the unit housing cover 120 of the unit housing 100, and the unit theft receiver 440 is a knob body of the unit knob 300 ( It is formed in the 310 toward the unit theft mountain 410, the unit theft elastic member 430 is disposed in the unit theft receiving portion 440 to be elastically deformable. In addition, the unit theft ball 420 is disposed between the unit theft elastic member 430 and the unit theft mountain 410 at least partly accommodated in the unit theft receiver 440. The unit theft mountain 410 is formed of a plurality of theft mountains, thereby allowing the unit knob 300 to selectively occupy a plurality of preset knob positions while rotating about the central axis of rotation of the unit knob 300.

Here, although the unit theft elastic member is shown to move in parallel to the axial length direction of the rotation shaft of the unit knob, the present invention is not limited thereto. As shown in FIG. 8, the unit theft mount may be formed on one surface facing the center of the unit knob of the unit housing. That is, the knob body mounting portion and the knob cover mounting portion pass through the knob body through hole 317a formed in the knob body 310a so that the knob body 310a is rotatably mounted to the unit housing. On one surface of the unit housing cover 120a facing the unit knob, a knob theft guide 127a is disposed circumferentially, and a plurality of unit knobs are disposed in the circumference of the knob theft guide 127a. The unit theft mount 410a is formed on the inner side of the knob theft guide 127a toward the center of the unit body. The knob body 310a is provided with a unit theft receiver 440a which is formed radially from the center of rotation of the unit knob, and a unit elastic member 430a is disposed at the unit theft receiver 440a to be elastically deformable. . The unit theft ball 420a is disposed in contact with both the unit elastic member 430a and the unit theft mountain 410a. Therefore, when the unit knob is rotated by the driver through the knob protrusion, the driver selectively occupies a plurality of preset positions and makes selective electrical connection between the knob operating terminal of the unit knob and the plurality of fixed contacts on the unit printed circuit board. The desired desired operation can be achieved.

In the above embodiments, the switch unit of the lever switch device is used to achieve variable wiper operation for adjusting the operating period of the wiper in the INT mode which is the intermittent operation mode of the wiper. However, the above embodiments are examples for describing the present invention, but the present invention is not limited thereto. That is, it can be used as a variable switch for adjusting the illuminance of the light switch, and various modifications are possible in a range in which the rotation shaft of the unit knob of the switch unit takes the structure intersecting with the longitudinal axis of the lever. In addition, although the knob body through hole is provided in the knob body and the knob body mounting portion corresponding to the unit housing has been described, on the contrary, the knob body mounting portion has a groove structure in which a protrusion corresponding to the knob body mounting portion is formed. It is apparent from the above embodiments that the structure is included in the equivalent scope of the present invention as a simple design change of the above embodiment.

The lever switch device according to the present invention having the configuration as described above has the following effects.

First, the lever switch device according to the present invention, taking the configuration of the switch unit of a simple structure to reduce the number of parts, it is possible to maximize the productivity and manufacturing cost according to the reduction of the assembly process.

Secondly, the lever switch device according to the present invention can achieve a more stable operation by adopting a configuration including a knob guide / knob guide counterpart in the unit housing and the unit knob.

Thirdly, the lever switch device according to the present invention has a structure in which the rotation of the unit knob of the switch unit is rotated about an axis intersecting the longitudinal axis of the lever so that the driver does not move through the entire movement of the wrist and / or upper arm. By enabling the operation of the switch unit by the movement of the finger, it is possible to increase the ease of operation through the ergonomic operating structure.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

Claims (6)

Lever switch housing; A lever rotatably disposed with respect to the lever switch housing; And a switch unit positioned at the free end of the lever, The switch unit is: A unit housing disposed at an end of the lever, A unit printed circuit board disposed in the unit housing; A unit knob disposed inside the unit housing to make a plurality of electrical connections with the unit printed circuit board, the rotating shaft being intersected with the longitudinal axis of the lever; A knob body rotatably disposed about the rotation shaft; A knob movable terminal mounted on one surface of the knob body facing the unit printed circuit board and making electrical connection with the unit printed circuit board, The unit housing is provided with a knob body mounting portion for rotating the knob body. The method of claim 1, The knob body is provided with a knob body through-hole formed in parallel with the rotation axis, And the knob body mounting portion is insertable into the knob body through hole. The method of claim 2, A knob guide is provided on one surface of the unit housing facing the knob body. And a knob guide counterpart for contacting the knob guide to guide rotation of the unit knob. Lever switch housing; A lever rotatably disposed with respect to the lever switch housing; And a switch unit positioned at the free end of the lever, The switch unit is: A unit housing disposed at an end of the lever, A unit printed circuit board disposed in the unit housing; A unit which is disposed inside the unit housing to make a plurality of electrical connections with the unit printed circuit board, the unit having a rotation shaft intersecting the longitudinal axis of the lever, and for stealing the rotation of the unit knob. Lever switch device is further provided with a theft. The method of claim 4, wherein The unit theft part: A unit theft mount formed on one surface of the unit housing facing the unit knob; A unit theft receptacle formed in the unit knob toward the unit theft; A unit theft elastic member disposed to be elastically deformable to the unit theft receiving portion; And a unit theft ball disposed in contact between the unit theft elastic member and the unit theft mount. The method of claim 4, wherein The unit theft part: A unit theft mount formed on one surface of the unit housing toward the center of the unit knob; A unit theft receptacle formed radially from the rotation center of the unit knob, A unit theft elastic member disposed to be elastically deformable to the unit theft receiving portion; And a unit theft ball disposed in contact between the unit theft elastic member and the unit theft mount.

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