KR20070059467A - Switch apparatus of room lamp in automobile - Google Patents

Abstract

A switch apparatus of a room lamp in an automobile is provided to improve manipulation of a switch by including protrusions and grooves functioning as a stopper to stop the switch apparatus at a right position of each stage. A switch apparatus of a room lamp in an automobile includes a cover plate(22), a pressed side wall(26), circular protrusions, a housing side wall(12), and circular grooves(13). The pressed side wall(26) is elongated vertically downward in the center of one side of the cover plate(22). The two circular protrusions are horizontally arranged at predetermined intervals on an inner wall of the pressed side wall(26). The four circular grooves(13) are horizontally arranged on an outer wall of the housing side wall(12) corresponding to the pressed side wall(26) for receiving each circular protrusion.

Description

Switch apparatus of room lamp for automobile {Switch apparatus of room lamp in automobile}

1 is a front view showing a general vehicle room lamp,

2 shows the position of a switch sliding in a housing;

3a and 3b is a perspective view showing a conventional switch operation device,

4 is a view illustrating a state in which a switch is removed from FIG. 2;

Figure 5 is a state diagram showing a state in which the steel ball in contact with the groove of the housing in the conventional switch operation device,

Figure 6 is a side view showing the switch operating device according to the present invention coupled to the housing,

7 is a perspective view of a switch operating device according to the present invention;

8 is a side view of a switch operating device according to the present invention;

9 is a perspective view showing a housing groove structure to which a switch operating device according to the present invention is mounted;

10 is a perspective view showing a crimped side wall structure of the switch operating device according to the present invention.

※ Explanation of codes for main parts of drawing

10 housing 12 side wall

13: circular groove 14: connection groove

15: projection 20: switch operation device

21 knob 22 cover plate

23: switch body 26: crimp side wall

27: circular protrusion 28: connection protrusion

29: settling groove

The present invention relates to a switch operating device of a room lamp for a vehicle, and more particularly, instead of eliminating the conventional inner spring and steel ball, it is possible to improve the compression structure of the housing and the groove structure of the housing, The stopper function has a protrusion and groove structure to stop at the correct position, thereby improving the theft of the switch operation, and additionally reducing the cost by eliminating the inner spring and steel ball. It relates to a switch operating device of the lamp.

In general, a vehicle is provided with a room lamp that lights to illuminate the interior when the user's operation at night or the door is opened and closed.

The room lamp is mainly installed on the ceiling of the vehicle interior, and is configured to be turned on by receiving power from the vehicle battery.

Looking at the configuration of the vehicle room lamp, as shown in Figure 1, the housing 10 is fixed to the mounting portion of the vehicle interior, the bulb (not shown) built in the housing 10, and the user's operation According to the switch operation device for applying or blocking the power of the battery to the bulb 20 and the lens 30 is attached to the front of the housing so that the light emitted from the bulb can be radiated to the interior of the car in a smooth and even distribution. It is configured by.

Here, the switch operating device 20 is a component that operates the switch body in accordance with the user's operation to open and close the internal contacts, a button-type switch operating device for pressing the button by pressing the switch in a conventional expensive vehicle However, a slide type switch operating device that slides a switch left and right is used in a room lamp of a medium-priced vehicle.

In the button type switch operating device, the 'DOOR' switch button for manipulating the contact connection so that the lighting / lighting of the room lamp can be linked with the opening / closing of the door, and the lighting / lighting of the room lamp is made according to the user's pressing operation. The 'ON' switch button is provided so that when the user presses the 'DOOR' switch button, the room lamp can be turned on / off in conjunction with opening and closing the door.If the door is closed, press the 'ON' switch button once When the lamp is turned on and pressed again, the room lamp is turned off.

In addition, in the slide type switch operating device illustrated in FIG. 1, the user grasps the externally protruding switch knob 21 and slides left and right to selectively move the switch body to the 'DOOR', 'ON', and 'OFF' positions. To switch the room lamp on / off with door opening / closing, set the switch to 'DOOR' position, and turn it on to 'ON' position to turn on the room lamp regardless of door opening / closing status. It is supposed to move to the position.

In the conventional room lamp switch operating device made as described above, in the case of the button type switch operating device, the selection operation is performed by pressing the switch button, so that distinct operation can be distinguished, but the slide type switch operating device is more costly than the button type. It is inexpensive but has a disadvantage of low operating theft.

That is, when the user grasps the knob 21 and moves the whole switch to the left or right including the cover plate 22 sliding in the housing 10 and the switch body coupled therein, in particular, the switch is in the 'OFF' position. When moving from the 'ONOR' position in the middle position to the 'DOOR' position in the 'ON' position, the switch does not stop at the 'DOOR' position due to lack of theft due to lack of theft Or, the phenomenon that often goes to the 'OFF' position is happening.

Referring to the conventional problem with reference to the drawings, Figure 2 shows the position of the switch sliding in the housing, the knob 21 that the user pushes or pulls by hand during operation, and the knob 21 is formed integrally And a cover plate 22 which is slid inside the housing 10, the switch is mounted on one side of the housing (lower side in the drawing) to be slidably left and right.

3A and 3B are perspective views illustrating a conventional switch operating device. In particular, in FIG. 3B, the inner spring 24 and the steel ball 25 embedded in the switch body 23 are exposed. 2 illustrates a state in which the switch is removed from FIG. 2, and illustrates a groove structure of the housing in which the steel ball 25 moves while contacting.

5 shows a state in which the steel ball 25 is in contact with the groove 11 of the housing 10 in the conventional switch operating device.

As shown, the inner spring 24 is mounted to the inside of the switch body 23 coupled to the cover plate 22 to the lower side, the steel spring 25 is elastically supported in the inner spring 24 A part of the steel ball protrudes through the hole 23a of the switch body, and the protruding portion of the steel ball 25 is moved by the spring force of the inner spring 24 when the switch is operated. It is structured to move in a state in which it is elastically in close contact with the groove (11).

However, in the above structure, while the steel ball 25 moves the grooves 11 of the housing 10 while the elastic force of the inner spring 24 is applied, the switch operation is made, 'OFF', 'ON Since there is no structure to stop at the right position when it is moved from the end like 'to the middle end like' DOOR ', there is a problem of easily moving to the next undesired step.

Such a problem has always been raised due to a lack of control theft in all lamps using a slide type switch, and there is an urgent need for a method to improve the problem.

Therefore, the present invention has been invented to solve the above problems, and instead of eliminating the conventional inner spring and steel ball, while improving the crimping structure of the housing and the groove structure of the housing, the switch operation device is defined at each stage. By providing a stopper function projection and groove structure to stop at the position, the advantage of the theft of the switch operation is improved, and the cost of the vehicle room lamp which can be saved by the elimination of the inner spring and the steel ball is incidentally. The object is to provide a switch control device.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The present invention relates to a switch operating apparatus for a vehicle room lamp comprising a cover plate, a knob integrally formed on an upper surface of the cover plate, and a switch body coupled to a lower side of the cover plate.

A pressing side wall is vertically formed downward at a central portion of the cover plate, and a pair of circular protrusions horizontally disposed and a connecting protrusion connecting the two circular protrusions are formed on an inner side of the pressing side wall, and the corresponding side surfaces of the pressing side walls are formed. On the outer surface of the side wall of the housing are formed four circular grooves on which each of the circular protrusions which are moved during the operation of the switch and connecting grooves connecting the circular grooves are formed. It is characterized in that the switch is operated in close contact with the circular groove and the connection groove inside the side wall of the housing.

In particular, a seating groove is formed in each of the connecting protrusions, and each of the connecting grooves is characterized in that a protrusion that can be inserted into the seating groove is formed in a state in which the circular protrusion is inserted and seated in the circular groove.

Hereinafter, exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

6 is a side view of the switch operating apparatus according to the present invention coupled to the housing, FIG. 7 is a perspective view of the switch operating apparatus according to the present invention, and FIG. 8 is a side view of the switch operating apparatus according to the present invention.

9 is a perspective view showing a housing groove structure in which the switch operating device according to the present invention is mounted, and FIG. 10 is a perspective view showing the compressed side wall structure of the switch operating device according to the present invention.

As shown, in the switch operating device of the present invention, instead of eliminating the conventional inner spring and the steel ball that is elastically supported thereon for imparting the manipulation theft, the pressing sidewall 26 having a pair of circular protrusions 27 is formed. It is provided, the groove structure in the housing 10 is also formed to have a different structure than the conventional.

First, the switch body 23 is coupled to the cover plate 22 of the switch operating device, the knob 21 integrally formed on the top surface of the cover plate 22, and the fastening portion 22a extending downward from the cover plate 22. The structure, and the structure in which the cover plate 22 and the switch body 23 are slidably mounted to the housing 10 are the same as in the related art.

In the switch operating device of the present invention, the pressing side wall 26 is vertically extended downwardly at one central portion of the cover plate 22, and two circular protrusions 27 are formed at predetermined intervals on the inner side of the pressing side wall 26. It is arranged horizontally with the protrusion formed.

In addition, a connection protrusion 28 connecting the pair of two circular protrusions 27 is horizontally formed between the two circular protrusions.

The circular protrusions 27 and the connecting protrusions 28 have a smooth surface, and a central portion of the circular protrusions 27 and the connecting protrusions 28 protrudes from the surface of the crimping side wall 26, and the protrusion height of the circular protrusions 27 is connected. It is slightly higher than the height of the protrusion of the protrusion 28.

And, in the center position of the connection protrusion 28 is provided with a seating groove 29 that can be inserted and seated projections 15 of the housing to be described later to improve the feeling of operation theft.

On the other hand, the outer surface of the side wall 12 of the housing 10, which is the corresponding surface of the crimped side wall 26, has a shape that can correspond to each circular protrusion so that the respective circular protrusions 27 can be inserted and seated when the switch is operated. Since the circular groove 13 is formed, the switch operating device having two circular protrusions 27 is operated in three positions of 'ON', 'DOOR', and 'OFF', so that a total of four circular grooves 13 are provided. It is provided so as to be arranged horizontally.

And, between the four circular groove 13 is provided with a connection groove 14 for connecting them is formed horizontally long, each of the connection groove 14 is the connection projection 28 of the switch control device is inserted into close contact It is provided in a groove shape.

In addition, a protrusion 15 that can be inserted into a seating groove 29 of the connection protrusion 28 is formed at a center position of the connection groove 14.

With the switch operating device mounted in the housing 10, the inner side of the crimping side wall 26 is in close contact with the outer side of the corresponding side wall 12 of the housing, and during switch operation, ie, when the left and right slides of the switch operating device move. The inner side of the pressing side wall 26 is adapted to slide on the outer side of the side wall 12 of the housing, where the pressing force of the pressing side wall 26 acts outwardly and inwardly relative to the housing side wall 12. .

In addition, the two circular protrusions 27 of the crimped side wall 26 are inserted and tightly inserted into the two circular grooves 13 of the housing side wall 12 at respective end positions of 'ON', 'DOOR' and 'OFF'. Maintaining the position, the pressing side wall 26 is provided so as to have a slight elastic movement in the outward direction, when the switch operating device slides left and right by the user's operating force two circular projections (27) Is moved between the circular grooves 13 of the side wall 12 of the housing and inserted into the respective circular grooves 13 to be seated so as to realize a sense of theft.

In particular, the projection 15 formed in the connecting groove 14 of the housing side wall 12 is a seating groove formed in the connecting protrusion 28 of the crimping side wall 26 when the switch operating device is in the correct position at each end. It is to be inserted into (29), which means that when the user exerts a force to move the switch operating device from the 'ON' or 'OFF' position at the end to the 'DOOR' position at the intermediate position, the switch operation device is easily moved from the right position This will allow you to stop and effectively prevent you from slipping to the opposite 'OFF' or 'ON' position.

In this way, in the switch operating device according to the present invention, instead of eliminating the conventional inner spring and the steel ball, it is possible to improve the compression structure of the housing and the groove structure of the housing, and at the same time, the switch operating device can be stopped at the correct position of each stage. By providing a stopper function projection and groove structure, the theft of the switch operation is improved, and the cost is reduced by additionally removing the inner spring and the steel ball.

As described above, according to the switch operating apparatus of a room lamp for a vehicle according to the present invention, instead of eliminating the conventional inner spring and the steel ball, the switch operating apparatus at the same time improves the crimp structure of the housing and the groove structure of the housing. By providing a stopper function projection and groove structure that can stop at the correct position of each stage, the advantages of improved theft of switch operation are provided, and the cost can be reduced by additionally removing the inner spring and steel ball. This is provided.

Claims (2)

In the switch operation apparatus of a vehicle lamp, comprising a cover plate, a knob integrally formed on the cover plate upper surface, and a switch body coupled to the cover plate lower side, A pressing side wall is vertically formed downward at a central portion of the cover plate, and a pair of circular protrusions horizontally disposed and a connecting protrusion connecting the two circular protrusions are formed on an inner side of the pressing side wall, and the corresponding side surfaces of the pressing side walls are formed. On the outer surface of the side wall of the housing are formed four circular grooves on which each of the circular protrusions which are moved during the operation of the switch and connecting grooves connecting the circular grooves are formed. Switch operation apparatus for a room lamp for a vehicle, characterized in that the switch operation in close contact with the inner side of the circular groove and the connection groove of the side wall of the housing. The method according to claim 1, A seating groove is formed in each of the connection protrusions, and each of the connection grooves has a protrusion that can be inserted into the seating groove in a state in which the circular protrusion is inserted and seated in the circular groove. Switch controls.

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