KR20020009896A - Lock switch for power-window - Google Patents

Abstract

PURPOSE: A lock switch for a power window is provided to selectively perform a catching/releasing of an operation knob by horizontally moving a cam when the operation knob is vertically moved. CONSTITUTION: A housing(30) has an opened upper part, a first elastic material, and forms a first guide groove to one side. An upper cover(50) has a terminal member to one side, forms a second guide groove to the opposite side, a knob hole to an upper center, and is fixed to the upper part of the housing. An operation knob(40) is positioned in the housing and the upper cover, supported by the first elastic member, mounts a contact point terminal to one side, forms a projected piece to the opposite side, and is coupled to the knob hole. A cam(60) adjacent to the projected piece forms a cam rail for alternately performing a catching and a releasing, a first guide projection and a second guide projection that are slide-coupled to the first guide groove and the second guide groove.

Description

Lock switch for power-window

The present invention relates to a lock switch of a power window, and more particularly, to a lock switch of a power window that improves the cam structure of a lock switch that controls a power window for manipulating opening and closing of a window in a vehicle.

In general, four-door vehicles are provided with doors fixed to the vehicle body so that one side can be rotated on the left and right sides of the front and rear seats of the vehicle, and windows formed of transparent materials are installed on the upper part of each door to secure a clock. do.

And, inside each door is mounted a window opening and closing device for operating the window up and down.

There are two types of window openings: manual using human force and automatic using electric force.

The manual type moves the lever formed on one side of the door forward or reverse to raise and lower the window by a combination of a plurality of links and gears provided inside the door, and the automatic type installs a power window on one side of each door to the power window. By operating the provided switch is a device for raising and lowering the window by the combination of the rotation and the link of the motor formed inside the door.

Hereinafter, a lock switch structure of a conventional power window will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing the appearance of a general power window switch box, Figure 2 is a partially exploded perspective view showing a lock switch according to a conventional embodiment.

As shown, the power window switch box 10 installed on the door side of the driver's seat selectively restricts the operation of the power windows installed in the rear seat and the passenger seat together with a module switch 11 for controlling the raising and lowering of each window. The lock switch 20 is provided.

The lock switch 20 forms a housing 21 having an open upper surface, and engages and installs an operating knob 23 elastically supported by the first elastic member 22 in the housing 21. The upper portion of the operation knob 23 is covered with the upper cover 25 is coupled to.

On one side of the operating knob 23, the contact terminal 23a formed in a substantially " ?? " shape is elastically supported by the second elastic member 23b so as to be formed at both sides of the operating knob 23. ) Is coupled to the other side of the operating knob 23 is provided with a through hole (23e) formed through the operating knob (23).

The moving pin 23d is supported by the third elastic member 23c provided in the second elastic member 23b in the through hole 23e and has a rigidity to be able to rotate left and right along the forming direction of the through hole 23e. ) Is inserted and installed.

On the inner wall of the housing 21, the cam insertion hole 21a so that the cam 24 for locking and releasing the operating knob 23 can be installed according to the position of the moving pin 23d when the operating knob 23 moves up and down. ) Is formed.

The cam 24 has a substantially rectangular shape, and a cam rail 24a is formed on one surface of the cam 24 so that the moving pin 23d is guided along the cam rail 24a, and the cam rail 24a has a locking groove. A 24b is formed so that the moving pin 23d is caught in the locking groove 24b.

On the other hand, the upper cover 25 is provided with terminal members (25a, 25b) for flowing a current in accordance with the contact of the contact terminal (23a).

A locking groove 25c formed at both sides of the upper cover 25 and a locking protrusion 21b formed at both sides of the housing 21 are coupled to each other so that the upper cover 25 is fixed to the housing 21.

Referring to the operation of the conventional lock switch as described above is as follows.

That is, the current flows to the respective switches for controlling the passenger seat and the rear window while the terminal members 25a and 25b are in contact with the contact terminal 23a.

As such, when the operating knob 23 protruding to the upper portion of the upper cover 25 while the terminal members 25a and 25b and the contact terminal 23a are in contact with each other is pressed, the operating knob 23 is lowered, and the operating knob ( With the lowering of 23, the contact terminal 23a provided to one side of the operating knob 23 is also lowered, and the contact from the terminal members 25a and 25b is cut off.

At the same time, the moving pin 23d provided on the operation knob 23 is moved downward along the cam rail 24a formed on the cam 24. When the operation knob 23 held down is released, the movement pin is moved downward. The pin 23d is engaged with the locking groove 24b formed at the center of the cam rail 24a, thereby preventing the operating knob 23 from returning to the initial state.

Therefore, it cuts off the current flowing to each switch which cracks down the passenger and rear window.

However, the conventional lock switch of the window combines the movable pin 23d installed in the operation knob 23 and the third elastic member 23c and the movable pin 23d to restore the movable pin 23d to the center. The manufacturing labor is increased by forming a through hole, which increases the manufacturing cost due to the complicated assembly process.

The present invention reduces the number of manufacturing by integrally forming a protruding piece to one side of the operation knob to solve the above problems, and by forming a guide groove in the upper cover and the housing, the cam is left and right when operating the operation knob up and down It is to provide a lock switch of the power window that allows to selectively engage and release the operating knob while moving to.

1 is a perspective view showing the appearance of a general power window switch box.

2 is a partially exploded perspective view showing a lock switch according to a conventional embodiment.

3 is a perspective view showing a lock switch according to an embodiment of the present invention.

4 is a partially exploded perspective view showing a lock switch according to an embodiment of the present invention.

5 is a longitudinal cross-sectional view of the engaged state of the lock switch according to the embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

20: lock switch 30: housing

35: first guide groove 40: operating knob

41: contact terminal 45: protrusion

47: third guide groove 50: upper cover

51: terminal member 55: second guide groove

57: third guide projection 60: cam

The lock switch of the window according to the present invention for achieving the above object is the upper surface is open and the first elastic member is located on the inside, the housing to form a first guide groove on one side; A top member having a terminal member provided at one side thereof, a second guide groove formed at the opposite side thereof, and a knob hole formed at an upper center thereof to open and coupled to a top of the housing; An operating knob positioned in the housing and the upper cover and supported by a first elastic member, provided with a contact terminal on one side thereof, and a protruding piece formed on the opposite side thereof, and an upper one side coupled to the knob hole; The cam rail is formed in contact with the protruding piece formed on the operating knob to alternately engage and release, and the first guide protrusion and the second guide protrusion are slidably coupled to the first guide groove and the second guide groove up and down. It consists of a cam.

Preferably, guide members are formed on both side surfaces of the operation knob and the upper cover or the inner both sides of the housing corresponding to the operation knob to move the operation knob up and down.

It is preferable that the first and second guide grooves and the cam rail are coated with a lubricant for smoothly moving the protruding pieces and the cam.

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

3 is a perspective view showing a lock switch of a window according to an embodiment of the present invention, Figure 4 is a partially exploded perspective view showing a lock switch of a window according to an embodiment of the present invention.

As shown, the lock switch of the window according to the present invention comprises a housing 30, an operation knob 40, and an upper cover 50.

The housing 30 has an open shape at an upper surface thereof, and a protrusion rib 31 for fixing the housing 30 to a substrate (not shown) is formed at a lower portion thereof, and an operating knob 40 is formed at a central portion of the inner surface of the housing 30. The fixing rod 33 for protruding the first elastic member 37 supporting the bottom) is formed.

In addition, the inner side of the housing 30, the cam 60 to be described later is provided with a first guide groove 35 to move to the left and right.

The cam 60 is formed in a substantially rectangular plate shape, and the first guide protrusion 64 and the second guide protrusion which are coupled to the first guide groove 35 and the second guide groove 55 to be described later on one side up and down, respectively. A cam rail 61 which forms a 65 and causes the cam 60 to rotate left and right by a protruding piece 45 formed on the operating knob 40 when pressing the operating knob 40 on one surface of the cam 60. ) Is formed.

In addition, the cam rail 61 has a locking groove 63 formed therein, the operation knob 40 is pressed to rotate the cam 60, and then the protrusion 45 is locked to the locking groove 63 to rotate the cam 60. The operation knob 40 is prevented from returning to the initial state to maintain the pressed state.

The operation knob 40 is elastically supported by the first elastic member 37 provided in the housing 30 and installed in the housing 30 to serve as a switching role.

In order to perform the switching function as described above, a contact terminal 41 for contacting the terminal members 51 and 52 provided on the upper cover 50 to flow a current is provided at the lower side of the operating knob 40. Both sides are coupled to the engaging projection 48 formed on both sides of the operating knob 40 while being hardened by the).

On the opposite side of the operating knob 40 in which the contact terminal 41 is installed, a protruding protrusion 45 is formed to be in contact with the cam rail 61 formed on the cam 60 to move up and down the operating knob 40. Accordingly, the cam 60 is rotated left and right.

In addition, the lower side of the operation knob 40 is formed with a guide groove 47 for coupling with the guide protrusion 57 of the upper cover 50 to be described later, the operation knob 40 is the upper along the guide protrusion 57 The movement inside the cover 50 is facilitated.

The upper cover 50 has a substantially rectangular box shape, the bottom of which is opened, and a knob hole 53 for allowing the upper portion of the operating knob 40 to protrude out of the upper cover 50.

In addition, terminal members 51 and 52 are installed inside the upper cover 50, and a second guide groove 55 for slidingly moving is installed on one side of the second guide protrusion 65 of the cam 60. Is formed.

In addition, a third guide protrusion 57 corresponding to the third guide groove 47 of the operating knob 40 is formed at the other inner side of the upper cover 50 to smoothly move up and down the operating knob 40.

And when the upper cover 50 is coupled from the upper portion of the housing 30, the engaging groove 54 formed on both sides of the upper cover 50 is coupled to the engaging projection 34 formed on both sides of the housing 30. To be firmly fixed.

In addition, the guide rails 61, the guide grooves 55 and the guide grooves 35, the guide grooves 47 and the guide protrusions 57 of the cams 60 in contact with the protruding pieces 45 are operated between the respective components. It is desirable that the lubricant be applied smoothly.

Referring to the operation of the lock switch of the power window according to an embodiment of the present invention configured as described above are as follows.

Pressing the operation knob 40 protruding to the upper portion of the upper cover 50 in the downward direction is guided by the guide groove 47 coupled with the guide projections 57 formed on the upper cover 50 to lower the upper cover The contact between the terminal members (51, 52) formed on the inside of the 50 and the contact terminal 41 is elastically coupled to one side of the operation knob 40 is dropped and the flow of current is blocked.

At this time, the protruding piece 45 formed on the operating knob 40 moves downward while contacting the cam rail 61 formed on the cam 60, and the cam 60 moves on the protruding piece 45 and the cam. It is guided by the contact of the rail 61 and slides left and right between the first guide groove 35 and the second guide groove 55.

As such, when the operating knob 40 is fully pressed, the protruding piece 45 guided by the cam rail 61 is positioned at the center lower portion of the cam rail 61, and the operating knob 40 is pressed. When the operation is released, the restoring force to be raised by the first elastic member 37 is acted to move upward, but the protrusion piece 45 is engaged by the locking groove 63 formed at the center of the cam rail 61. The movement of the knob 40 is stopped.

After pressing the operation knob 40 in the pressed state once again, the protruding piece 45 exits the locking groove 63 and is guided to the wall surface of the cam rail 61 to be located at the lower right side, and the cam 60 at this time. Will slide slightly to the left.

Then, when the operation knob 40 releases the pressed operation, the slide moves upward by the restoring force of the first elastic member 37 to return to the initial position, and the cam 60 moves upwardly of the protruding piece 45. It is guided to the city cam rail 61 and slides to the right to stay in the first position.

At this time, the contact terminal 41 moves upward with the operating knob 40 to be in contact with the terminal members 51 and 52 again to flow a current.

That is, when the operation knob 40 is in the initial position, the power is connected to open and close the window by a switch installed in each door, and when the operation knob 40 is pressed, the window is mounted on the driver's door. Only the switch in the power window switch box can be operated, and the switch cannot be operated in the front and rear doors.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art that various modifications and changes within the scope not departing from the spirit and scope of the present invention from the present invention described in the claims Of course, it belongs to the present invention.

As described above, in the lock switch of the power window according to the present invention, the protruding pieces are integrally formed in the operation knob to reduce the number of parts and simplify the assembly process, thereby reducing the production cost.

Claims (3)

A housing having an upper surface open and having a first elastic member disposed at an inner side thereof, and having a first guide groove formed at one side thereof; A top member having a terminal member provided at one side thereof, a second guide groove formed at the opposite side thereof, and a knob hole formed at an upper center thereof to open and coupled to a top of the housing; An operating knob positioned in the housing and the upper cover and supported by a first elastic member, provided with a contact terminal on one side thereof, and a protruding piece formed on the opposite side thereof, and an upper one side coupled to the knob hole; The cam rail is formed in contact with the protruding piece formed on the operating knob to alternately engage and release, and the first guide protrusion and the second guide protrusion are slidably coupled to the first guide groove and the second guide groove up and down. A lock switch of a power window, characterized by comprising a cam. The method of claim 1, Lock switch of the power window, characterized in that the guide groove and the guide projection for guiding the operation knob to move up and down are formed on both sides of the operation knob and the upper cover and the housing corresponding to the operation knob, respectively; . The method of claim 1, The first and second guide grooves and the cam rails corresponding to the first and second guide protrusions are coated with a lubricant to smoothly move the protruding pieces and the cam.