KR20160114414A

KR20160114414A - Switch for Vehicle having Waterproof Function

Info

Publication number: KR20160114414A
Application number: KR1020150040894A
Authority: KR
Inventors: 고준혁; 김민
Original assignee: 한국오므론전장주식회사
Priority date: 2015-03-24
Filing date: 2015-03-24
Publication date: 2016-10-05

Abstract

The present invention relates to a vehicle switch having a watertightness that prevents a rainwater or dew from penetrating into a housing by making a watertightness between a housing and a loader by a simple structure, and when the loader is moved up and down, Tightly adheres tightly to the inner circumference of the extended portion, so that there is an effect that the moisture outside the housing is not penetrated into the housing.

Description

Technical Field [0001] The present invention relates to a switch for vehicle having a waterproof function,

The present invention relates to a vehicle switch having a watertightness, and more particularly, to a vehicle switch having watertightness such that rainwater or dew do not penetrate into the housing by making a watertightness between the housing and the loader by a simple structure.

Generally, a vehicle hood switch is installed on a bracket located at one side of a vehicle engine room to detect opening and closing of a hood. When the hood located in the engine room in front of the vehicle is closing the engine room, The contacts of the switch are connected to maintain the On state by the applied pressure and when the hood opens the engine compartment, the force applied by the hood is released, so that it is switched to the Off state. The brake switch is installed around the brake pedal. When the driver presses the brake pedal, the contact is connected, and the stop lamp at the rear of the vehicle is turned on.

1 is a view showing a conventional vehicle switch. Referring to FIG. 1, a conventional vehicle switch is mounted on an engine room in front of a vehicle, a rear trunk or a brake pedal or the like to perform an on or off operation. The housing 30 includes a contact pin 38, A loader 12 disposed on the outside of the housing 30 at one side and positioned inside the housing 30 through the housing 30 and a loader 12 coupled to the loader 12, And contacts 16 which are in contact with or not in contact with the contact pins 38. When the engine room in front of the vehicle or a trunk behind the vehicle pushes the loader 12, the contactor 16 is moved along the loader 12 and is not brought into contact with or brought into contact with the contact pin 38.

Since such a vehicle switch is installed outside the vehicle, not in the interior of the vehicle, it should be constructed in a watertight structure so that rainwater, dew, etc. can not penetrate. A cap portion 60 of an elastic material is attached to the outside of the housing 30 so as to surround one side of the loader 12 so that moisture outside the housing 30 is not penetrated into the housing 30 along the loader 12 .

However, in order to mount the cap portion 60 on the outer side of the housing 30, a separate coupling portion 70 is required, so that the coupling process is complicated. The cap portion 60 occupies a separate space, Is increased.

Korean Registered Utility Model No. 20-0377599

SUMMARY OF THE INVENTION It is an object of the present invention to provide a vehicular switch having a watertightness so that rainwater or dew do not penetrate into a housing by making a watertightness between a housing and a loader by a simple structure have.

According to an aspect of the present invention, there is provided a portable terminal comprising: a housing having a body having a space therein; a housing having a through portion formed in the body; and an extension extending outward from the body at an edge of the body; A contact point guide disposed inside the housing and having a fixed contact; A loader which is configured to be in contact with or not to be in electrical contact with the stationary contact while being moved along the inside of the housing, and the other end being exposed to the outside of the housing through the penetrating portion and the extending portion; And a resilient portion that applies an elastic force to the loader while being supported by the contact point guide portion. The main o-ring is provided at a position facing the extended portion of the loader so as to be in close contact with the inner circumference of the extended portion. A vehicle switch having watertightness is provided.

When the main O-ring is moved along the loader, the extended portion is protruded from the penetrating portion in the outer direction of the main body by a width at which the main O-ring is moved, And is not exposed to the outside of the extension portion.

Further, when the loader is moved to the outside of the housing, a sub-o-ring is further provided on an outer periphery of the loader exposed to the outside of the housing, and when the loader is moved into the housing, Wherein the main o-ring and the sub-o-ring are brought into close contact with the inner periphery of the extended portion when the loader is moved to the inner periphery of the extended portion along the loader and the loader is moved to the inside of the housing. Lt; / RTI >

Also, the main o-ring or the sub-o-ring is formed of an elastic material and is formed in a ring shape.

A main guide groove is formed at a position of the main o-ring of the loader to guide the main o-ring, and a sub guide groove is formed at a position where the sub-o-ring of the loader is provided to guide the sub- A vehicle switch having watertightness is provided.

The contact guide may include: a base disposed inside the body so as to face the penetrating portion; A pair of movement guide portions protruding from the base in the direction of the penetrating portion; And a fixed contact provided on an inner side of the pair of movement guide parts facing each other, wherein the loader is located inside the main body and the other side is exposed to the outside of the housing through the penetrating part and the extending part ; A pedestal portion positioned inside the main body to be separated from the base, the pedestal portion being connected to the protruding portion; And a moving contact protruding in both directions of the receiving portion and electrically contacting the stationary contact when the receiving portion is moved to come close to the base by an external pressure applied to the protruding portion, And the other side of the elastic portion is connected to the receiving portion.

The moving contact includes: a fixing part fixed to the receiving part; and a pair of contact parts protruding in both directions of the receiving part from the fixing part, wherein each of the contact parts is divided into several parts in the fixing part And the protrusion is protruded so as to protrude so as to protrude.

Since the main o-ring and the sub-o-ring are tightly adhered to the inner periphery of the extended portion when the loader is moved downward, the main o-ring and the sub-o-ring are double-blocked between the loader and the housing, It is not infiltrated into the housing.

In addition, the main O-ring and the sub O-ring are formed in a ring shape, and the main O-ring and the sub O-ring, which are formed in a relatively simple shape, are used to prevent moisture from flowing into the housing.

1 is a view showing a conventional vehicle switch.
2 is a view schematically showing a watertight vehicle switch according to a preferred embodiment of the present invention.
3 is a view schematically showing the internal structure of a watertight vehicle switch according to a preferred embodiment of the present invention.
4 is an exploded view of an internal structure of a watertight vehicle switch according to a preferred embodiment of the present invention.
5 is a schematic view illustrating a state in which a main o-ring and a sub-o-ring are coupled to a loader of a watertight vehicle switch according to a preferred embodiment of the present invention.
6 is a view showing a state in which the loader of the watertight vehicle switch according to the preferred embodiment of the present invention is not pressed downward and the switch is turned off.
7 is a view showing a state in which the loader of the watertight vehicle switch according to the preferred embodiment of the present invention is pushed downward and the switch is turned on.

Hereinafter, a watertight vehicle switch according to a preferred embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

2 is a view schematically showing a watertight vehicle switch according to a preferred embodiment of the present invention.

2, a water-tight vehicle switch 100 according to a preferred embodiment of the present invention is installed at a position adjacent to a hood switch or a brake pedal installed in a hood of an automobile to detect opening / closing of the hood, 3), and a main O-ring 150 (shown in FIG. 3). The housing 110, the contact guide 120, the loader 130, the elastic portion 140, And may further include a sub-O-ring 152.

The housing 110 constitutes a space therein and is formed of a synthetic resin material or the like and is firmly fixed to an engine room in front of the vehicle or a rear trunk of a vehicle through a coupling portion (not shown) of a screw or the like. The housing 110 has a space inside to accommodate the contact guide unit 120, the loader 130 and the elastic unit 140, and the loader 130, which will be described later, is vertically long A penetrating portion 114 (see FIG. 5) formed on the upper side in the longitudinal direction of the main body 112 and a protruding portion 112 extending integrally from the edge of the penetrating portion 114 in the upper direction of the main body 112 And an extension portion 116.

The contact point guide unit 120, the loader 130, the elastic unit 140, the main O-ring 150 and the sub O-ring 152 will be described later.

FIG. 3 is a view schematically showing an internal structure of a watertight vehicle switch according to a preferred embodiment of the present invention. FIG. 4 is a cross-sectional view of an internal structure of a watertight vehicle switch according to a preferred embodiment of the present invention, Fig.

3 and 4, the contact point guide unit 120 is provided inside the main body 112 of the housing 110 and is fixed to the lower side of the main body 112, A pair of movement guide portions 124 which are protruded in the direction of the penetrating portion 114 from both sides of the base 122 and are arranged in parallel to each other, And a pair of fixed contacts 126 provided along the inner side facing each other. A first engaging projection 122a (see FIG. 6) is protruded from the center of the base 122 so as to guide the lower side of the elastic portion 140, which will be described later. The fixed contact 126 is formed of a conductive material and is electrically connected to the vehicle.

The loader 130 is configured to move along the longitudinal direction of the main body 112 of the housing 110 so as not to come into electrical contact with or contact with the fixed contact 126. The loader 130 includes the protrusion 132, And a contact 136.

The lower portion of the protrusion 132 is positioned to face the base 122 of the contact guide 120 provided inside the housing 110 and the upper portion of the protrusion 132 is located on the upper side of the housing 110 Through the penetration portion 114 and the extension portion 116 to the upper portion of the housing 110. When the hood or the like of the vehicle is closed, the protrusion 132 of the loader 130 presses the protrusion 132 of the loader 130 such that the external pressure of the hood or the like pushes down the protrusion 132 of the loader 130 downward When the hood or the like is opened, the external pressure is not canceled, but is raised upward by the elastic force of the elastic portion 140.

The support portion 134 is integrally connected to the lower side of the protrusion 132 and is positioned to be spaced apart from the upper portion of the base 122 and is concaved to face the base 122. The support portion 134 of the loader 130 is formed to have a cross sectional area larger than that of the projecting portion 132 so that the projecting portion 132 of the loader 130 is extended by the elastic portion 140 to the extension portion of the housing 110 The support portion 134 of the loader 130 is caught by the upper portion of the housing 110 so that the loader 130 is released to the outside of the housing 110 . The second engaging protrusion 134a is protruded from the center of the receiving portion 134 so that the upper side of the elastic portion 140 is inserted.

The movable contact 136 is formed of an electrically conductive material and is configured to be in contact with or not in contact with the stationary contact 126 while moving up and down along the inside of the housing 110 while being coupled to the receiver 134. The movable contact 136 includes a fixed portion 137 fixed to the receiving portion 134 and first and second connecting portions 138a and 138b extending from both sides of the fixed portion 137 to the lower portion of the receiving portion 134. [ And first and second contact portions 139a and 139b integrally projecting from the first and second connection portions 138a and 138b in the outer direction of the receiving portion 134. [ When the fixing portion 137 is fixed to the receiving portion 134, a through hole 137a is formed in the center of the fixing portion 137 so that the second coupling protrusion 134a of the receiving portion 134 is penetrated. The first and second contact portions 139a and 139b protrude from the first and second connection portions 138a and 138b so as to divide the first and second contact portions 139a and 139b into the first and second contact portions 139a and 139b, Are separated from each other. Thus, for example, in a state where the first contact portion of the first movable contact 136 is located at the fixed contact 126, foreign matter is inserted into any one of the plurality of divided first contact portions, The first contact part and the first fixed contact 126 are in contact with the first fixed contact 126 even though the contact with the first fixed contact 126 occurs, Thereby maintaining the electrically contacted state. In this case, the first and second contact portions 139a and 139b are formed on the outer side of the receiving portion 134 on both sides of the fixing portion 137. The first and second connecting portions 138a and 138b can be omitted, . The first and second contact portions 139a and 139b contact the fixed contact 126 of the contact guide 120 when the protrusion 132 of the loader 130 is moved upward by the elastic force of the elastic portion 140. [ And the first and second contact portions 139a and 139b are positioned so as to be spaced apart from the upper portion of the loader 130. When the protrusion 132 of the loader 130 is moved downward by the external pressure, And is configured to be brought into contact with the fixed contact 126 of the contact guide unit 120. This will be described again with reference to FIGS. 6 and 7. FIG.

The elastic part 140 is formed to have elasticity, and is made of, for example, an elastic spring. The elastic part 140 is provided in a space between the base 122 of the contact guide part 120 and the receiving part 134 of the loader 130. The lower side of the elastic part 140 is connected to the base 122 of the contact guide part 120, And the upper side of the elastic member 140 is inserted into the second engaging projection 134a of the receiving portion 134 of the loader 130 so that the elastic portion 140 is engaged with the contact guide 120 And the elastic force is applied to the loader 130 in a state in which the loader 130 is supported by the base 122.

5 is a schematic view illustrating a state in which a main o-ring and a sub-o-ring are coupled to a loader of a watertight vehicle switch according to a preferred embodiment of the present invention.

2 and 5, the main O-ring 150 is inserted into the protrusion 132 of the loader 130, and the sub O-ring 152 may be further inserted.

The main O-ring 150 is formed of an elastic material such as synthetic rubber, and is formed into a ring shape and fitted in the projecting portion 132 of the loader 130. When the protrusion 132 of the loader 130 is moved downward due to external pressurization, the main O-ring 150 is brought into close contact with the inner circumferential edge of the lower portion of the extension portion 116 of the housing 110. When the external pressurization is canceled, the protrusion 132 of the loader 130 is moved upward due to the elastic force of the elastic portion 140. At this time, the main O-ring 150 rotates on the upper side of the extension portion 116 of the housing 110 It is closely attached to the inner periphery. Since the main O-ring 150 is in close contact with the upper inner circumference or the lower inner circumference of the upper portion of the extension portion 116, the loader 130 is moved up and down, There is an effect that external rainwater or dew does not flow into the housing 110.

When the main O-ring 150 is moved up and down along the protrusion 132 of the up-and-down loader 130, the extension portion 116 is inserted into the housing 110 through the housing 110 as much as the width of the main O- The main O-ring 150 is configured to be always in close contact with the inner circumference of the extension portion 116 regardless of the position of the loader 130. Therefore,

The sub O-ring 152 is formed in a ring shape similar to the main O-ring 150. The elastic force of the elastic portion 140 causes the protrusion 132 of the loader 130 to protrude from the upper portion of the extension portion 116 of the housing 110 The protruding portion 132 of the loader 130 is exposed to the upper portion of the extension portion 116 of the housing 110. As shown in Fig. When the protrusion 132 of the loader 130 is moved downward due to the external pressurization, the subo ring 152 is inserted into the extension portion 116 of the housing 110 so that the outer periphery of the subo ring 152 and the extension The inner periphery of the portion 116 is tightly adhered to each other. As the protrusion 132 of the loader 130 is moved downward, the main O-ring 150 and the sub O-ring 152 are tightly and tightly adhered to the inner circumference of the extension portion 116, The main o-ring 150 and the sub-o-ring 152 are double-blocked between the extension part 116 of the housing 110 and the extension part 116 of the housing 110 so that moisture outside the housing 110 is not penetrated into the housing 110 It is effective. The main o-ring 150 and the sub-o-ring 152 are formed in a ring shape. The main o-ring 150 and the sub-o-ring 152, which are formed in a relatively simple shape, And the main O-ring 150 and the sub-O-ring 152 have a small volume so that the overall size of the product can be reduced.

The main guide groove 132a may be formed at a position where the main O-ring 150 of the protrusion 132 of the loader 130 is inserted so that the main O-ring 150 can be easily guided. The sub guide groove 132b may be formed at a position where the sub-o-ring 152 of the guide groove 132 is inserted, so that the sub-o-ring 152 is easily guided.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a state in which a watertight vehicle switch according to a preferred embodiment of the present invention is operated will be described with reference to the accompanying drawings.

6 is a view showing a state in which the loader of the watertight vehicle switch according to the preferred embodiment of the present invention is not pressed downward and the switch is turned off.

6, no external pressure is applied to the protruding portion 132 of the loader 130, and the protruding portion 132 of the loader 130 is moved to the upper portion of the housing 110 by the elastic force of the elastic portion 140 . The main O-ring 150 inserted into the protrusion 132 of the loader 130 closely contacts the inner circumferential edge of the upper portion of the extension portion 116 of the housing 110 to prevent rainwater or dew on the outside of the housing 110 So that it does not flow into the housing 110. The moving contact 136 coupled to the receiving portion 134 of the loader 130 is positioned so as to be spaced apart from the fixed contact 126 of the contact guiding portion 120, (100) is electrically turned off.

7 is a view showing a state in which the loader of the watertight vehicle switch according to the preferred embodiment of the present invention is pushed downward and the switch is turned on.

7, the protrusion 132 of the loader 130 is externally pressurized by the load of the hood of the vehicle, and the protrusion 132 of the loader 130 is moved to the lower portion of the housing 110. The main o-ring 150 inserted into the protrusion 132 of the loader 130 is inserted into the inner circumference of the extension portion 116 of the housing 110 up to the sub-o-ring 152 as well as the extension of the housing 110 The main o-ring 150 and the sub-o-ring 152 are closely and closely adhered to the inner periphery of the housing 116 so that the rainwater or dew outside the housing 110 is not penetrated into the housing 110. The movable contact 136 coupled to the receiving portion 134 of the loader 130 is moved downward to be brought into contact with the fixed contact 126 of the contact guide portion 120 so that the vehicle- 100 are electrically turned on.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined in the appended claims. It should be understood that the technical idea belonging to the scope of the claims also belongs to the present invention.

100: vehicle switch
110: housing 112:
114: penetrating part 116: extension part
120: contact point guide part 122: base
122a: first engaging projection 124:
126: Fixed contact 130: Loader
132: protruding portion 132a: main guide groove
132b: sub guide groove 134:
134a: second coupling projection 136: moving contact
137: Fixing portion 137a: Through hole
138a: first connection part 138b: second connection part
139a: first contact portion 139b: second contact portion
140: Elastic part 150: Main o-ring
152: Sub O ring

Claims

A housing having a body having a space therein, a penetrating portion formed in the body, and an extension extending from an edge of the penetrating portion to an outer side of the body;
A contact point guide disposed inside the housing and having a fixed contact;
A loader which is configured to be in contact with or not to be in electrical contact with the stationary contact while being moved along the inside of the housing, and the other end being exposed to the outside of the housing through the penetrating portion and the extending portion; And
And an elastic portion for applying an elastic force to the loader while being supported by the contact guide portion,
Wherein a main o-ring is provided at a position facing the extended portion of the loader so as to be in close contact with an inner peripheral edge of the extended portion.

The method according to claim 1,
Wherein when the main O-ring is moved along the loader, the extended portion is protruded from the penetrating portion in the outer direction of the main body by a width at which the main O-ring is moved so that the main O- And is not exposed to the outside.

3. The method of claim 2,
When the loader is moved to the outside of the housing, the sub-o-ring is further provided on the outer periphery of the loader exposed to the outside of the housing,
When the loader is moved into the housing, the subo ring is moved along the loader to the inner periphery of the extension, and when the loader is moved into the housing, the main O ring and the sub- Wherein the protruding portion is in close contact with the inner circumference of the extended portion.

The method of claim 3,
Wherein the main o-ring or the sub-o-ring is formed of an elastic material and is formed in a ring shape.

The method of claim 3,
A main guide groove is formed at a position of the main o-ring of the loader so that the main o-ring is guided, and a sub guide groove is formed at a position of the sub- Wherein the switch has a watertightness.

The method according to claim 1,
The contact point guide portion includes:
A base positioned inside the body so as to face the penetrating portion;
A pair of movement guide portions protruding from the base in the direction of the penetrating portion; And
And the stationary contact provided on the inner side of the pair of movement guide portions facing each other,
The loader comprises:
A protrusion which is located on one side of the main body and the other side of which is exposed to the outside of the housing through the penetrating portion and the extending portion;
A pedestal portion positioned inside the main body to be separated from the base, the pedestal portion being connected to the protruding portion; And
And a moving contact protruding in both directions of the receiving portion and electrically contacting the fixed contact when the receiving portion is moved to come close to the base by an external pressure applied to the protruding portion,
Wherein one side of the elastic portion is connected to the base and the other side of the elastic portion is connected to the receiving portion.

The method according to claim 6,
The moving contact comprises:
And a pair of contact portions protruding from both sides of the receiving portion in the fixing portion,
Wherein each of the contact portions protrudes from the fixing portion so as to be divided into several branches.