KR200374116Y1 - Lamp switch structure and latch using the same - Google Patents

Abstract

The present invention relates to a lamp switch structure used in the latch of the vehicle and a latch for the vehicle using the same, and more particularly, the lamp switch structure and the assembly performance in the production, as well as the contact between the lamp switch terminal and the electrical conductivity is improved. It relates to a trunk lid or tailgate latch used.

Description

LAMP SWITCH STRUCTURE AND LATCH USING THE SAME}

The present invention relates to a lamp switch structure used for the latch of the vehicle and a latch using the same, and more particularly, the contact between the switch terminals and the electrical conduction, as well as the lamp switch structure and the trunk lid using the same assembly during production Or a tailgate latch.

The trunk lid or tailgate of the vehicle is provided with a lamp switch for interlocking with the latch, which is a locking device, so that the room lamp or warning lamp is automatically turned on when they are opened.

Looking at the structure of a conventional lamp switch that is interlocked with such a latch, a switch having a structure having its own structure having a pair of contact terminals for short-circuit or energization between terminals by an external pressing force in a locking device such as a trunk lid. In addition, as the latch plate or the foul plate rotates, one terminal of the switch is pressurized or released from the outside, so that the lamp is energized or short-circuited at the contact between these terminals.

However, in such a conventional structure, since the switch structure provided with a pair of contact terminals in itself is attached to an existing latch or the like, the wiring relationship becomes complicated, and the switch structure protrudes out of the case so that the overall Not only the appearance of the latch is enlarged or complicated, but also the side of the latch plate or the foul plate is configured to press the pressing portion of the switch, which is difficult in assembly. On the other hand, if the contact terminal itself in the form of a leaf spring, such as for convenience of assembly or to simplify the structure there is a fear that the contactability is poor due to the elastic degradation due to aging.

The present invention has been made to solve the problems in the lamp switch structure employed in the latch of the conventional vehicle as described above, not only improves contact between the terminals and electrical conduction, but also can be easily assembled during manufacturing to increase productivity. It is an object of the present invention to provide a lamp switch structure having a compact appearance and a trunk lid or tailgate latch using the same.

1A and 1B are a perspective view and a component view of an entire configuration of a tailgate latch having a lamp switch according to an exemplary embodiment of the present invention;

2 is a cross-sectional view taken along line AA ′ of the tailgate latch shown in FIG. 1;

3 is an operation state diagram of a lamp switch according to the latching state in the tailgate latch shown in FIG.

*** Explanation of symbols for main parts of drawing ***

1: tailgate latch

11: Base Plate 12: Base Guide

13: backplate

21: latch plate 22: foul plate

23: release lever 21a, 22a, 23a: rotating shaft

21b: protruding edge

31 Terminal 32: Guide tube

33: spring 34: contact member

40: bolt

Lamp switch structure according to the present invention,

In the lamp switch provided in the latch of the vehicle,

A latch plate or foul plate of a conductive material axially installed on the bottom surface of the case so as to form a current-carrying structure with one terminal of the battery; And

A hollow guide member protruding downward from the upper surface of the case toward a point on the rotational track of the latch plate or the foul plate and formed of an insulating material, a spring member of a conductive material accommodated in the guide member, and the spring member It is installed in the guide member so that it is always pressed downward by the contact member of the conductive material installed so as to be in contact with or spaced apart from the upper surface of the latch plate or foul plate by the rotation of the latch plate or foul plate, and one end is energized with the spring member And a terminal made of a conductive material connected to the other terminal of the battery spoken at the upper end of the guide tube so that the case of the latch is not energized;

According to the latching state is characterized in that configured to conduct or short-circuit between the latch plate or the foul plate and the terminal in the energized state with the vehicle body.

Trunk lid or tailgate latch having a lamp switch according to the present invention,

A case part including a base plate formed of a base plate forming a bottom surface and an insulating material forming a side wall, and a back plate covering an upper portion of the base guide;

A latching part including a latch plate of a conductive material having a protruding edge formed thereon and a foul plate for controlling a latching state of the latch plate; And

A conductive terminal provided on the base guide in an insulating structure with the case part, a guide tube made of an insulating material protruded downward from the upper surface of the case, and a conductive structure between the terminal and the inside of the guide tube. A lamp switch unit having a conductive material spring installed therein, and a portion of the body protruding toward the lower end of the guide tube and receiving a contact member of the conductive material accommodated inside the guide tube so as to be pressed downward by the spring;

The contact member of the lamp switch is located on the rotational trajectory of the protruding edge of the latch plate, and the protruding edge and the contact member are brought into contact with or spaced apart from each other according to the latching state of the latch plate. Characterized in that it is configured to short circuit.

Preferably, in the above configuration, a mounting hole is formed in the rotation shaft of the latch plate, and the latch is bolt-mounted to the vehicle body through the mounting hole so that a current-carrying structure between the vehicle body and the latch plate on which one terminal of the battery is grounded is formed. Characterized in that configured.

Hereinafter, a preferred embodiment of a lamp switch structure and a latch using the same according to the present invention will be described in more detail with reference to the accompanying drawings.

Figure 1a is a perspective view showing the overall configuration of the embodiment in which the lamp switch of the present invention is applied to the tailgate latch, Figure 1b is a view showing the internal component configuration by removing the case in Figure 1a, Figures 2 and 3 Fig. 1 is a vertical cross sectional view taken along line A-A 'of the tailgate latch and an operating state diagram of a lamp switch according to the latching state.

First, referring to FIGS. 1A to 1B and 2, the overall configuration of a tailgate latch having a lamp switch according to the present embodiment will be described. As shown in FIG. 1A, the tailgate latch 1 according to the present embodiment is illustrated in FIG. The base guide 11 and the upper part of the base guide 12 made of an insulating material constituting the base plate 11 forming the bottom surface and the side wall portions such as the overall skeleton and the outer wall, etc. It forms a structure that is accommodated in the interior of the case portion made including a back plate 13 to cover the.

In addition, the base plate 11 and the base guide 12 of the case portion is formed with a hole 14 for advancing the striker (not shown) protruding from the vehicle body, the back plate 13 has a latching portion to be described later A cutout 13b is formed to secure a space for installing the release lever 23. Here, the base guide 12 is formed by injection molding an insulating material such as engineering plastics, while the base plate 11 and the back plate 13 are usually press-processed to make the metal material conductive.

Meanwhile, as illustrated in FIGS. 1B and 2, the latching plate 21 is elastically installed on the upper portion of the base plate 11 in the latching part accommodated and installed in the case part, and is fixed to the vehicle body. Constrained or restrained striker (not shown), one side thereof is engaged with the latch plate 21, the foul plate 22 is elastically installed on the shaft (22a) to latch the latch plate 21 state It is supposed to be controlled. On the other hand, one end of the foul plate 22 is connected to a keyset (not shown) or a pulling lever (not shown), etc., and transmits an external force to the foul plate 22 to control the latching state 23. Is elastically provided with the shaft 23a.

Here, one side of the latch plate 21 is extended to be in contact with the lower end of the contact member 34 of the lamp switch unit to be described later is formed with a protruding edge portion (21b). The latch plate 21 and the pivot shaft 21a are both made of a conductive material such as metal. The latch plate 21 may be formed of an insulating film, but the upper surface portion of the protruding edge portion 21b may be formed. Only the insulating member should not be formed so that the electrical contact with the contact member (34). In addition, the rotating shafts 21a and 22a of the latch plate 21 and the foul plate 22 have a hollow structure, and a mounting hole is formed, and a thread (not shown) is formed inside the mounting hole to form a bolt 40. It can be mounted on the tailgate panel of the body.

On the other hand, one side of the back plate 13 is cut to expose the upper surface of the base guide 12 is formed with a cutout portion (13a), the terminal 31 of the lamp switch unit on the base guide 12 of this portion Is to be fixedly installed. A connector (not shown) of a conductive wire connected to one terminal of a battery (not shown) installed in a vehicle body is connected to the terminal 31, and the back plate 13 made of a conductive metal material is formed by the cutting portion 13a. ) Is connected to only the base guide 12 of the insulating material and connected to only the base guide 12 of the insulating material, and through the spring 33, the other terminal of the battery (not shown) is connected to the tailgate panel of the vehicle body and the conduction structure To form.

In addition, a lower portion of the terminal 31 is formed so that the guide tube 32 made of an insulating material protrudes downward from the upper surface of the base guide 12, and is addressed to the terminal 31. The guide tube 32 may be formed by insulating a tubular injection-molded product separately from an insulating material and speaking on the bottom surface of the terminal 32. However, in the present embodiment, a base guide for forming a skeleton as shown in FIG. The through hole is vertically formed vertically in the body of (12) to form a hollow tube structure, which is integrated with the body of the base guide 12 to simplify the configuration.

On the other hand, the inside of the guide tube 32 is a compression spring 33 of the conductive material is installed in the conductive structure with the terminal 31, the lower portion of the spring 33 is a contact member 34 of the conductive material Only the lower end is accommodated inside the guide tube 32 so as to protrude to the lower end of the guide tube 32 and is always pressed downward by the spring 33. Therefore, in order to prevent the contact member 34 pressed downward by the spring 33 from being detached to the lower portion of the guide tube 32, as shown in FIG. It takes a narrower form. On the other hand, the contact member 34 is preferably a ball shape as shown in the figure, but also other shapes such as a bullet shape, an ellipsoid shape, a square pillar, a cylinder, and the like. However, only the lower end portion exposed to the outside of the guide tube 32 is preferably rounded like a ball for the rotation of the latch plate 21 and the smooth contact between the contact member 34 and the protruding edge portion 21b. .

The operation of the tailgate latch 1 having the lamp switch according to the present embodiment thus formed will be described with reference to FIG. 3 as follows.

In FIG. 3, (A) shows a fully latched state in two stages, (B) shows a latched state in one stage, and (C) shows an open state in which the latch is completely released.

First, in the fully latched state as shown in (A), when a current is applied to the terminal 31 through a connector (not shown) connected to a conductor connected to one terminal of a battery (not shown) installed in the vehicle body, The current flows through the spring 33 and the contact member 34 which are energized by the terminal 31, but is spaced apart from the protruding edge portion 21b of the latch plate 21, so that the latch plate 21 and the contact member ( No conduction is made between 34), and therefore, a short circuit occurs at this portion so that the lamp (not shown) is not lit.

However, as in (B) or (C), the latch plate 21 is not rotated to complete latching, or in the open state, the upper surface of the protruding edge portion 21b of the latch plate 21 is the contact member of the lamp switch unit. Since it is in contact with 34, the power applied from the terminal 31 through the spring 33 is transmitted to the protruding edge portion 21b through the contact member 34, and the bolts provided on the rotation shaft 21a and the rotation shaft. Through 40, conduction is established between the tailgate door panel (not shown) of the vehicle body and the latch plate 21 in the energized state so that the lamp is turned on.

According to the lamp switch structure according to the present invention, the narrow side portion, such as a latch plate or a foul plate, as in the prior art does not press the one side of the lamp switch to make contact or non-contact between the terminals installed therein, their wide upper surface portion The contact between the lower surface of the curved surface of the contact terminal such as and the ball is made, while the spring of the compression spring type is used, so that the contact between the terminals is improved and the elasticity of the spring is not deteriorated with time. In addition, it is possible to obtain an effect of simplifying the wiring structure, reducing problems such as poor contact and improving electrical conductance. In particular, in the tailgate latch which should form a latching state of two steps, the overall appearance can be made compact, which is more effective.

In addition, in the case of manufacturing the latch by adopting the lamp switch structure according to the present invention, assembling the lamp switch part through a wide upper surface in the state of assembling the terminal, the spring, the contact member, etc., and the rotating shaft of the latch plate and the foul plate, etc. By mounting the bolts to the vehicle body through the mounting hole formed in the latch assembly to the vehicle body there is an effect of improving the overall assembly.

Claims (4)

In the lamp switch provided in the latch of the vehicle, A latch plate or foul plate of a conductive material axially installed on the bottom surface of the case so as to form a current-carrying structure with one terminal of the battery; And A hollow guide member protruding downward from the upper surface of the case toward a point on the rotational track of the latch plate or the foul plate and formed of an insulating material, a spring member of a conductive material accommodated in the guide member, and the spring member It is installed in the guide member so that it is always pressed downward by the contact member of the conductive material installed so as to be in contact with or spaced apart from the upper surface of the latch plate or the foul plate by the rotation of the latch plate or foul plate, and one end is energized with the spring member And a terminal made of a conductive material connected to the other terminal of the battery spoken at the upper end of the guide tube so that the case of the latch is not energized; The latch switch structure of claim 1, wherein the latch plate or the foul plate and the terminal which are in an energized state with the vehicle body are connected or short-circuited according to the latching state. A case part including a base plate formed of a base plate forming a bottom surface and an insulating material forming a side wall, and a back plate covering an upper portion of the base guide; A latching part including a latch plate of a conductive material having a protruding edge formed thereon and a foul plate for controlling a latching state of the latch plate; And A conductive terminal provided on the base guide in an insulating structure with the case part, a guide tube made of an insulating material protruded downward from the upper surface of the case, and a conductive structure between the terminal and the inside of the guide tube. A lamp switch unit having a conductive material spring installed therein, and a portion of the body protruding toward the lower end of the guide tube and receiving a contact member of the conductive material accommodated inside the guide tube so as to be pressed downward by the spring; The contact member of the lamp switch is located on the rotational track of the protruding edge of the latch plate, and the protruding edge and the contact member are contacted or spaced apart according to the latching state of the latch plate, so that the latch plate and the terminal are electrically connected. Trunk lid or tailgate latch with a lamp switch, characterized in that configured to short. The method of claim 2, wherein a mounting hole is formed in the rotation shaft of the latch plate, the latch is bolt-mounted to the vehicle body through the mounting hole to form a current-carrying structure between the vehicle body and the latch plate of which one terminal of the battery is grounded. Trunk lid or tailgate latch with lamp switch. [4] The trunk lid or tailgate latch of claim 2 or 3, wherein the guide tube has a through tube structure formed in the base guide body.