KR20120035474A

KR20120035474A - Tiltable switching unit

Info

Publication number: KR20120035474A
Application number: KR1020100097001A
Authority: KR
Inventors: 이용수; 정재영
Original assignee: 대성전기공업 주식회사
Priority date: 2010-10-05
Filing date: 2010-10-05
Publication date: 2012-04-16
Also published as: KR101141329B1

Abstract

The present invention relates to a semiconductor device comprising: a housing; A switch knob movably disposed on an upper portion of the housing, one end of which is connected to the switch knob and tilted and movable together with the switch knob, the other end of the switch shaft and the housing disposed to elastically support the switch shaft A switch unit having a switch detent unit and a switch unit disposed inside the housing and actuated by a force applied to the switch knob to control a fixed contact disposed inside the housing, and the switch shaft and the housing. Provided is a switch unit having a switch device disposed and including a switch tilting portion for allowing tilting of the switch shaft.

Description

Switch unit {TILTABLE SWITCHING UNIT}

The present invention relates to a switch device, and more particularly to a switch unit for implementing a switch function through a tilting operation.

BACKGROUND ART A vehicle such as an automobile has a function as a variety of convenience means for enabling a user to provide a more stable and comfortable running state beyond a function as a moving means. Accordingly, the vehicle is equipped with various convenience facilities and various switches for operating and controlling the same.

In general, when operation in opposite directions is required, a seesaw switch device or sliding switch device is used in which the vertical movement of the window corresponds to the operation of the front and rear ends, for example, opening and closing a window of a vehicle, and each operation is used. Rotary switches are used to select the mode. In particular, since various switch devices and convenience facilities are installed around the driver's seat, these switch devices are required to be compact, and interference prevention between the switch devices is a necessity of the design.

As a switch device according to the prior art, a switch for operating a side mirror of a vehicle includes a folding / unfolding switch for folding / unfolding the side mirror and a selection adjusting switch for selecting and adjusting the direction of the side mirror. It became. In addition, in the case of the seat switch, a predetermined sliding type switch is utilized for the lifting and lowering of the seat.

SUMMARY OF THE INVENTION An object of the present invention is to provide a switch unit having a structure in which a contact method capable of strengthening the contact state of a switch can be strengthened and the configuration is simple and compact, thereby increasing durability and assembling.

The present invention for achieving the above object, a housing; A switch knob movably disposed on an upper portion of the housing, one end of which is connected to the switch knob and tilted and movable together with the switch knob, the other end of the switch shaft and the housing disposed to elastically support the switch shaft A switch unit having a switch detent unit and a switch unit disposed inside the housing and actuated by a force applied to the switch knob to control a fixed contact disposed inside the housing, and the switch shaft and the housing. Provided is a switch unit having a switch device disposed and including a switch tilting portion for allowing tilting of the switch shaft.

In the switch unit, the housing includes: a housing body disposed below the switch knob, and a housing base disposed to face the switch knob with the housing body therebetween, wherein the switch tilting unit comprises: the switch A tilting body disposed on the shaft and a tilting holder disposed on the inner lower surface of the housing body to be in constant contact with the tilting body may be provided.

The switch unit may have a hemispherical shape toward the tilting holder of the tilting body, and the tilting holder may have a corresponding hemispherical inner surface shape of the tilting body.

In the switch unit, a tilting body guide may be provided at an outer circumference of the tilting body, and a tilting holder guide may be provided at an inner circumference of the tilting holder to be relatively movable to the tilting guide.

In the switch unit, the tilting body guide may include a protrusion structure extending radially toward the outside of the tilting body, and the tilting holder guide may include a recess structure for accommodating the tilting body guide.

In the switch unit, the tilting body guide may have a recess structure extending radially toward the outside of the tilting body, and the tilting holder guide may have a protrusion structure accommodated in the tilting body guide.

In the switch unit, the switch detent portion includes: a detent receiving portion formed in the lengthwise direction of the switch shaft at an opposite end of the switch knob of the switch shaft, the detent receiving portion being received at one end of the detent receiving portion; A detent elastic part supported by the tent receiving part, a detent groove disposed on the inner side of the housing toward the switch knob, one end of which is elastically supported by the detent elastic part, and the other end of the detent groove It may also include a detent block to form an always in contact with.

In the switch unit, the detent groove may be provided with a detent groove guide for guiding the moving path of the detent block.

In the switch unit, the detent groove guide may have a cross shape for four-way movement of the switch knob.

In the switch unit, the detent groove guide may have a * -shape for eight-way movement of the switch knob.

In the switch unit, the housing comprises: a housing body disposed below the switch knob, and a housing base disposed opposite the switch knob with the housing body therebetween, wherein the fixed contact is the housing. A switch contact portion disposed vertically in a plane parallel to a bottom surface of the housing base, wherein the switch portion includes: a movable contact disposed at one end thereof in contact with the fixed contact and the other end fixedly positioned at the housing; Is disposed at the bottom of the switch shaft may be provided with a movable projection for moving the movable contact by forming a contact state with the movable contact when the switch shaft is rotated.

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

First, the switch unit according to the present invention can improve the assembly efficiency through a simple and compact configuration to improve the production efficiency.

Second, the switch unit according to the present invention can increase the contact accuracy between the terminals during the tilting movement through the tilting movement and the side vertical arrangement of the fixed contact.

Third, the switch unit according to the present invention can achieve a stable operation of the tilting movement through the guide.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

1 is a schematic perspective view of a switch unit according to an embodiment of the present invention.
2 is a schematic exploded perspective view of a switch unit according to an embodiment of the present invention.
3 is a schematic cross-sectional view in a normal state of a switch unit according to an embodiment of the present invention.
4 is a schematic cross-sectional view at another time in a steady state of the switch unit according to an embodiment of the invention.
5 is a schematic cross-sectional view in a tilting state of the switch unit according to an embodiment of the present invention.
6 is a schematic cross-sectional view at another time in a tilting state of a switch unit according to an embodiment of the present invention.
7 is a schematic plan view of a detent groove guide of a switch unit according to an embodiment of the present invention.
8 is a schematic plan view of another type of detent groove guide of a switch unit according to an embodiment of the present invention.
9 is a schematic plan view of a tilting body guide of a switch unit according to an embodiment of the present invention.
10 is a schematic bottom view of the tilting holder guide corresponding to the tilting body guide of FIG. 9.
11 is a schematic plan view of another type of tilting body guide of a switch unit according to an embodiment of the invention.
12 is a schematic bottom view of the tilting holder guide corresponding to the tilting body guide of FIG. 11.

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

1 shows a schematic perspective view of a switch unit according to an embodiment of the present invention, FIG. 2 shows a schematic exploded perspective view of a switch unit according to an embodiment of the present invention, and FIG. A schematic cross sectional view at a normal state of a switch unit according to an embodiment is shown, and FIG. 4 is a schematic cross sectional view at another point in time at a normal state of a switch unit according to an embodiment of the present invention, and FIG. A schematic cross-sectional view in a tilting state of the switch unit according to an embodiment of the present invention is shown, and FIG. 6 is a schematic cross-sectional view at another time in a tilting state of the switch unit according to an embodiment of the present invention. 7 is a schematic plan view of a detent groove guide of a switch unit according to an embodiment of the present invention, and FIG. 8 is an embodiment of the present invention. A schematic plan view of another type of detent groove guide of another switch unit is shown, and FIG. 9 is a schematic plan view of the tilting body guide of the switch unit according to an embodiment of the present invention, and FIG. A schematic bottom view of a tilting holder guide corresponding to a tilting body guide is shown, in FIG. 11 a schematic plan view of another type of tilting body guide of a switch unit according to an embodiment of the invention, and FIG. 12 in FIG. A schematic bottom view of the tilting holder guide corresponding to the tilting body guide of 11 is shown.

Switch unit 10 according to an embodiment of the present invention includes a housing 100 and the switch device 200, the switch device 200 is disposed in the housing 100.

The housing 100 includes a housing body 110 and a housing base 120. The housing body 110 and the housing base 120 are fastened to each other to form an internal space, thereby enabling stable mounting and operation of other components. Let's do it. The housing body 110 is disposed below the switch knob 310 and the housing base 120 is disposed to face the switch knob 310 with the housing body 110 therebetween.

The body fastening part 111 is provided in the housing body 110, and the base fastening part 121 is disposed in the housing base 120 at a corresponding position of the body fastening part 111, so that the body fastening part 111 and the base are disposed. By taking the structure in which the fastening portions 121 engage with each other, the fastening state of the housing body 110 and the housing base 120 may be firmly established. In this embodiment, the body fastening portion 111 is formed in the groove structure and the base fastening portion 121 is formed of a protrusion structure, which is an example for explaining the present invention body fastening portion and the base fastening portion of the present invention are opposite to each other Various modifications are possible depending on design specifications, such as the formation of a structure.

The body through hole 113 is formed in the housing body 110, and a switch knob having one end of the switch shaft 320 to be exposed through the body through hole 113 is exposed to the outside through the housing body 110. A fastening state with the 310 may be formed. In the present embodiment, the body through hole 110 penetrates the upper end of the tilting holder 420 to be described below.

The housing base 120 is coupled to the housing body 110 to form an inner space as described above, and the base partition wall 123 is disposed on one surface of the housing base 120. The base partition wall 123 stably positions the fixed contact 345 and / or the switch pin 347 of the switch unit 340 to be described below, and / or the movable contact 343 and / or the outside of the switch unit 340. Seamless connection with external connectors (not shown) for connection with electrical devices can be achieved.

The switch device 200 includes a switch unit 300 and a switch tilting unit 400. The switch device 200 is disposed in the housing 100 to perform a movable operation by an external force applied, and as the movable operation is performed. A predetermined electrical signal change is generated to implement the switching function.

The switch unit 300 includes a switch knob 310, a switch shaft 320, a switch detent part 330, and a switch part 340. The switch knob 310 is movably disposed above the housing 100, more specifically above the housing body 110, and one end of the switch shaft 320 is connected to the switch knob 310. That is, as shown in Figures 2 and 3, the switch knob fastening portion 313 is disposed on the lower surface of the switch knob 310, the switch knob fastening portion 313 is formed in a groove structure to the switch shaft 320 To accommodate one end. One end of the switch knob coupling portion 313 and the slip shaft 320 has a shape corresponding to each other, and when the switch knob 310 is applied with an external force at one end of the switch shaft 320, the relative rotation between the switch knob 310 is prevented. In order to ensure that one end of the switch shaft 320 has an angular shape.

In addition, a knob groove 311 is formed on one surface of the switch knob 310. The knob groove 311 allows the user to recognize a predetermined moving direction or slip when operating through the knob groove 311. It can prevent.

As described above, one end of the switch shaft 320 may be connected to the switch knob 310 to move together with the switch knob 310 to form the tilting movement state with respect to the housing 100. The switch shaft 320 is preferably disposed perpendicular to the plane to which the housing base 120 belongs when no external force is applied.

The switch detent portion 330 is disposed at the other end of the switch shaft 320 and the housing to form a structure for elastically supporting the switch shaft 320. The switch detent part 320 includes a detent receiving part 331, a detent elastic part 333, a detent groove 337, and a detent block 335. The detent receiver 331 is at the other end of the switch shaft 320, that is, at the end of the switch shaft 320 toward the housing base 120, in other words at the opposite end of the end connected to the switch knob 310. The switch shaft 320 is formed in the longitudinal direction. The detent elastic part 333 is accommodated in the detent receiving part 331 and one end is supported by the detent receiving part 331. The detent elastic part 333 may have various configurations in a range of providing elastic force along the length direction of the switch shaft 320, but is implemented as a coil spring in this embodiment.

The other end of the detent elastic part 333 is in contact with the detent block 335, one end of the detent block 335 is elastically supported by the detent elastic part 333. One end of the detent block 335 is inserted into and supported by the detent elastic part 333 formed of a coil spring to form a predetermined elastic support state. The other end of the detent block 335 may be formed to have a predetermined radius of curvature to form a smooth contact state with the detent groove 337 described below.

The detent groove 337 is disposed in the housing 100, more specifically, the housing base 120. The housing base 120 according to the present embodiment moves the housing body 110 toward the inner bottom surface of the housing base 120. It is formed integrally with the housing base 120 on one side facing. In some cases, the detent groove may be formed as a separate material to form a structure mounted to the housing base 120.

The detent groove 337 may be formed as a simple hemispherical groove, and various configurations are possible in some cases. For example, as shown in FIG. 7, the inner surface of the detent groove 337 is provided with a detent groove guide 337a as another groove, and the detent groove guide 337a has a cross shape in this embodiment. It is provided to guide the four-way operation. That is, the end of the detent block 335 is in constant contact with the detent groove 337, the end of the detent block 335 is inserted into the detent groove guide 337a and the user is the switch knob 310 ), The end of the detent block 335 may be guided while maintaining a constant contact with the detent groove guide 337a to implement a more accurate switching function.

In addition, the detent groove guide may take the configuration for eight-way operation, not limited to the cross shape. That is, as shown in FIG. 8, the detent groove guide 337b formed on one surface of the detent groove may have a * -shape to enable stable switch operation in eight directions.

The switch unit 340 is disposed inside the housing 100 and operated by a tilting motion of the switch shaft 320 to intermittently fix the fixed contact 345 disposed inside the housing 100. The switch unit 340 Includes a fixed contact 345, a movable protrusion 341 and a movable contact 345, and in this embodiment, a switch pin 349 connected to the fixed pin 345 and / or the movable contact to transmit an electrical signal. It is further provided.

The movable protrusion 341 is disposed at the lower end of the switch shaft 320, and the movable protrusion 341 extends radially from the outer periphery of the lower end of the switch shaft 320. In the present embodiment is provided with a four-way movable function, four movable projections 341 is divided into four at an angle of 90 degrees to form a structure extending from the lower end of the switch shaft 320. In the position spaced apart from the movable projection 341, a movable point 343 that is in contact with the movable protrusion 341 is disposed. One end of the movable contact 343 is positioned and fixed to the housing base 120 and the other end thereof is movable. It is formed in the free end which is movable by contact with 341.

The fixed contact 345 is disposed at a spaced position of the movable contact 343, and the fixed contact 345 is in contact with the movable contact 343 when the movable contact 343 and the movable protrusion 341 are not in contact with each other. A state is formed, but when the movable projection 341 is operated to operate the movable contact 343, a contact state is formed to generate a change in a predetermined electrical signal.

The fixed contact 345 forms a structure disposed on the inner side of the housing base 120, and the fixed contact 345 is not disposed on a plane parallel to the bottom surface of the housing base 120, but rather, is fixed to the housing base 120. It is disposed perpendicular to the lower surface. Therefore, it is possible to form a smooth and accurate contact structure with the movable point 343 by being disposed on the movable path of the movable contact 343 that is movable by the movable protrusion 341 disposed on the switch shaft 320.

On the other hand, the switch device 200 according to an embodiment of the present invention further includes a switch tilting unit 400, the switch tilting unit 400 is disposed on the switch shaft 320 and the housing 100 is a switch shaft ( Permit tilting operation of 320). The switch tilting unit 400 has a tilting body 410 and a tilting holder 420, the tilting body 410 is disposed on the switch shaft 320 and the tilting holder 420 is the housing 100, more specifically. It is disposed on the inner bottom surface of the housing body 110.

The tilting body 410 is disposed on the outer circumference of the switch shaft 320. Specifically, the tilting body 410 is disposed between the end portion at which the switch knob 310 of the switch shaft 320 is disposed and the end portion at which the detent receiver 331 is formed. Disposed toward the side. The tilting body 410 has a hemispherical shape, and the hemispherical shape is formed to face the switch knob 310 side.

The hemisphere outer surface of the tilting body 410 forms a tilting body contact surface, which forms a contact state with the tilting holder 420 which will be described below. The tilting holder 420 is disposed in the housing body 110 at a corresponding position of the tilting body 410, and the tilting holder 420 has an inner bottom surface of the housing body 110 at a corresponding position of the tilting body 410. The tilting body 410 is disposed to be in constant contact with the body. The tilting holder 420 has a hemispherical inner surface shape corresponding to the shape of the tilting body 410. A tilting holder contact surface 421 which forms a contact state with the tilting body contact surface 411 of the tilting body 410 is formed on the inner bottom surface of the tilting holder 420 so that both of them form a constant contact state with each other.

Hereinafter, an operation process of the switch unit 10 will be described with reference to the drawings of the switch unit 10 according to an embodiment of the present invention.

First, as shown in FIGS. 3 and 4, when no external force is applied, the detent elastic part 333 and the detent embedded in the detent receiving part 331 disposed at the lower end of the switch shaft 320. The tilting body 410 is elastically supported through the interaction of the block 335 and the detent groove 337 with the tilting holder 420 disposed on the inner lower surface of the housing body 110 on the upper side of the switch shaft 320. By forming a stable contact state, a certain steady state can be achieved.

Thereafter, when the push force P is applied to the switch knob 310 by the user, the switch knob 310 generates a tilting movement about the switch tilting unit 400. That is, the switch shaft 320 forms a structure that is elastically supported by the switch detent portion 330 at the bottom and the housing base 120 when viewed in the longitudinal direction of the switch shaft 320 to the outer circumference of the switch shaft 320. Rather, the switch knob connected to the switch shaft 320 is formed by forming a constant contact state between the tilting body 410 disposed close to the switch knob 310 and the tilting holder 420 disposed on the lower surface of the housing body 110. When the push force P is applied to the 310, the pivoting occurs around the switch tilting unit 400 while the tilting holder 420 and the tilting body 410 form a constant contact state (FIG. 5 and FIG. 5). 6). When the switch shaft 320 makes a tilting motion as described above, the movable protrusion 341 of the switch unit 340 moves the movable contact 343 to form a contact state with the fixed contact 345, and the movable contact ( 343 and the fixed contact 345 come into contact with each other to cause a change in a predetermined electrical signal.

Then, when the push force P applied to the switch knob 310 is removed, the detent block 335 of the switch detent portion 330 is in a tilted inclination position with the detent groove 337, that is, The transition from the unstable state to the stable steady state is performed, and the force for this is the elastic restoring force accumulated in the detent elastic part 333 during the tilting process. As the switch shaft 320 returns to the home position, the force that the movable protrusion 341 pushes the movable contact 343 is removed, and the contact state between the movable contact 343 and the fixed contact 345 is released to restore the predetermined home position. Form.

Meanwhile, although the detent groove guide for guiding the moving direction of the switch shaft has been described in the above embodiment, the switch unit of the present invention may further include a component that guides the moving direction of the switch knob or the switch shaft. That is, as shown in FIGS. 9 and 10, the tilting body contact surface 411 of the tilting body 410 of the switch tilting part is provided with a tilting body guide 413 and tilts to a corresponding position of the tilting body guide 413. The tilting holder guide 423 may be disposed on the holder contact surface 421. The dotted line in FIG. 9 shows the corresponding position of the tilting holder guide of FIG. 10. The tilting body guide 413 and the tilting holder guide 423 are relatively movable to each other, thereby forming a more stable operating state of the tilting body and the tilting holder, which form a constant contact state. As shown in FIG. 9, the tilting body guide 413 is formed of a protrusion type, and the tilting holder guide 423 is formed in a recess structure, and the tilting body guide 413 is accommodated in the tilting holder guide 423 to be movable. do.

In the above embodiment, the tilting body guide has a protrusion structure and the tilting holder guide has a recess structure, but the present invention is not limited thereto. That is, as shown in FIGS. 11 and 12, the tilting body guide 413a is formed in the groove structure and the tilting holder guide 423a is formed in the protruding structure to protrude on the inner surface of the tilting holder 420. Various modifications are possible as well.

The above embodiments are examples for describing the present invention, but the present invention is not limited thereto. The switch unit of the present invention can be variously modified in a range including a switch knob including a switch knob, a switch shaft, a switch detent portion, and a switch portion.

10 ... switch unit 100 ... housing
110 ... housing body 111 ... body fastening
113.Body through hole 120.Housing base
121 base mounting 123 base bulkhead
200 ... switch device 300 ... switch unit
310 ... switch knob 311 ... knob group
313 Knob groove 320 Switch shaft
321 ... shaft body 323 ... shaft fasteners
330 switch detent part 331 detent receiver
333 ... detent elastic part 335 ... detent block
340 ... switch section 341 ... movable projection
343 ... movable contact 345 ... fixed contact
400 ... switch tilting part 410 ... tilting body contact surface
420 ... tilting holder

Claims

housing;
A switch knob movably disposed on an upper portion of the housing, one end of which is connected to the switch knob and tilted and movable together with the switch knob, the other end of the switch shaft and the housing disposed to elastically support the switch shaft A switch unit having a switch detent unit and a switch unit disposed inside the housing and actuated by a force applied to the switch knob to control a fixed contact disposed inside the housing, and the switch shaft and the housing. A switch unit having a switch device disposed and including a switch tilting portion for allowing tilting of the switch shaft.

The housing is:
A housing body disposed under the switch knob;
A housing base disposed opposite the switch knob with the housing body interposed therebetween,
The switch tilting unit:
A tilting body disposed on the switch shaft;
And a tilting holder disposed at an inner bottom surface of the housing body to be in constant contact with the tilting body.

The method of claim 2,
It has a hemispherical shape toward the tilting holder of the tilting body,
And the tilting holder has a corresponding hemispherical inner surface shape of the tilting body.

The method of claim 2,
The outer periphery of the tilting body is provided with a tilting body guide,
Switch unit, characterized in that the inner circumference of the tilting holder is provided with a tilting holder guide that is relatively movable to the tilting guide.

The method of claim 4, wherein
The tilting body guide has a protrusion structure extending in a radial direction toward the outside of the tilting body,
The tilting holder guide has a recess structure for accommodating the tilting body guide.

The method of claim 4, wherein
The tilting body guide has a recess structure extending in a radial direction toward the outside of the tilting body,
The tilting holder guide has a protrusion structure accommodated in the tilting body guide.

The method of claim 1,
The switch detent unit:
A detent receiver formed in the longitudinal direction of the switch shaft at an opposite end of the switch knob of the switch shaft;
A detent elastic part accommodated in the detent receiving part and supported at one end by the detent receiving part;
A detent groove disposed on the inner side of the housing toward the switch knob;
One end is elastically supported by the detent elastic portion, the other end is a switch unit comprising a detent block to form an always in contact with the detent groove.

The method of claim 7, wherein
The detent groove is a switch unit, characterized in that the detent groove guide for guiding the moving path of the detent block.

The method of claim 8,
The detent groove guide has a cross shape for four-way movement of the switch knob.

The method of claim 8,
The detent groove guide is a switch unit characterized in that it has a * -shape for the eight-way operation of the switch knob.

The method of claim 1,
The housing is:
A housing body disposed under the switch knob;
A housing base disposed opposite said switch body with said housing body interposed therebetween,
The fixed contact is disposed in the housing perpendicular to a plane parallel to the lower surface of the housing base,
The switch unit:
A movable contact, one end of which is in contact with the fixed contact and the other end of which is fixedly positioned in the housing;
And a movable protrusion disposed at a lower end of the switch shaft to form a contact state with the movable contact to move the movable contact when the switch shaft rotates.