JP2546057Y2 - Miniature seat type adjust switch structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention relates to a miniature seat type adjust switch structure, particularly to a miniature seat type adjust switch structure of an electric adjustment seat for a transportation device such as an automobile.

(Prior Art) As a conventional miniature seat type adjust switch structure of an electric adjustment seat for a transportation device of an automobile or the like, there is, for example, a structure as shown in FIGS.
62-195,937).

This is a miniature seat type adjustment switch A similar to the electric adjustment seat (not shown).
Around a change lever of an automobile (not shown), a recess 22 is formed on the upper side of the console 21, and its operation unit is reduced in size similar to each of the seat back, the seat cushion, the slide base, and the like of the electric adjustment seat.
Seat-back type lever 2 that operates almost the same as them
6. It is constituted by the seat cushion type lever 33 and the slide base type lever 42, and each part thereof is configured as follows.

The seat back lever 26 has an arcuate lower portion rotatably mounted on a shaft 28 rotatably on a side wall 35a of an arcuate concave portion 35 above the cushion type lever 33.
An arbitrary tilting posture is maintained by a spring (not shown) pressure.

The protrusion 27 at the lower end of the seat back lever 26 projects through a hole 36 following the arc-shaped recess 35 into a recess 45 above the raised portion 44 of the slide base lever 42, and the front and rear of the protrusion 27 (in FIG. Left and right) movable terminals 29, 29 on both sides come into contact with one of fixed terminals 30, 30 provided on the front and rear walls of the concave portion 45 to open a circuit of a motor 31 for reclining the seat back, thereby opening the seat back. Raise and lower. Reference numeral 26a denotes a finger hook that projects rearward of the top of the seat back lever 26.

A seat cushion-type lever 33, which is similar to the seat cushion of the electric adjustment seat (not shown), is located at the center of the concave portion 22 of the console 21. The protruding portion 44 is rotatably inserted into the upper central arcuate recess 47, and both sides of the arcuate protrusion 34 project upward from the left and right side walls of the arcuate recess 47. Bearing by 37.

Below the arc-shaped protrusion 34, a protrusion 38 is extended, and the protrusion
38 protrudes into a concave portion 48 following the arcuate concave portion 47, and the movable terminals 39, 39 on the front and rear sides of the projection 38 are fixed to the front and rear walls of the concave portion 48 by rotation of the action type lever 33 about the shaft 37. 40,
40, and comes into contact with any one of
The circuit of is closed.

Also, protrusions 38a, 38a provided near the lower front and rear ends of the cushion-shaped lever 33 are inserted into recesses 49, 49 near the upper front and rear ends of the raised portion 44 of the slide base lever 42, and the recesses 49 are provided. Cushion type lever by springs 50 and 50 in
The neutral position of 33 is maintained.

33a, 33a are finger hooks protruding forward and backward of the cushion-shaped lever 33.

Further, a slide base type lever 42, which is similar to the slide base of the electric adjustment seat (not shown), is provided in the recess 22 of the console 21, and the front and rear portions of the lever 42 are recessed.
Pass through holes 23, 23 in the lower part of the front and rear walls of 22, and console base
It slides back and forth (left and right in FIG. 4) along 24. The recesses 55, 55 provided near the lower front end and the rear end of the slide base type lever 42 have protrusions on the upper side of the console base 24.
The protrusions 25 restrict the sliding width of the slide base type lever 42 in the front-rear direction.

Reference numeral 51 denotes a protrusion provided at the center lower portion of the slide base type lever 42.
The movable terminals 52, 52 on the front and rear sides of the contact 51 come into contact with any of the fixed terminals 53, 53 on the front and rear walls of the concave portion 58 of the console base 24, thereby closing the forward / backward motor 54 circuit of the slide base 16.

Reference numerals 56, 56 denote springs provided between the projection 25 and the front and rear walls of the concave portion 55.
But always returns to the neutral position.

The reclining operation of the seat back by the adjustment switch A is performed by rotating the seat back type lever 26 clockwise around the shaft 28 from its neutral position (FIG. 4). (Left side in Fig. 4)
The movable terminal 29 contacts the fixed terminal 30 on the front wall of the recess 45, closes the circuit of the motor 31 for reclining the seat back, rotates the motor 31 forward, and tilts the seat back backward.
When the lever 26 is returned to the neutral position, the normal rotation circuit of the motor 31 is opened, and the motor 31 stops.

When the seat back reaches a predetermined angle, the lever
Regardless of the position of 26, the forward rotation circuit of the motor 31 is opened by the limit switch 59.

In order to return the seatback (not shown) that tilts backward to the normal position, the seatback type lever 26 may be rotated counterclockwise around the shaft 28 to close the reverse rotation circuit of the reclining motor 31. When the seat back lever 26 is returned to the neutral position, the reverse rotation circuit of the reclining motor 31 is opened, and the motor 31 stops.

Lift the electric adjustment seat with the seat cushion lever
4 is rotated clockwise in FIG. 4 around the shaft 37, that is, the left-hand finger hook 33a, which is the operating portion of the lever 33, is moved upward in substantially the same direction as the rising direction of the electric adjustment seat. By pulling up, the movable terminal 39 on the left side of the projection 38 at the lower part of the lever 33 is brought into contact with the fixed terminal 40 on the concave portion 48 (left side in FIG. 4) following the arcuate concave portion 47 of the slide base type lever 42 for lifting and lowering. The forward rotation circuit of the motor 41 is closed, the electric adjustment sheet is raised by forward rotation of the motor 41, and after the sheet B reaches a predetermined height, the lever 33 is returned to the neutral position, and the forward rotation circuit of the motor 41 is rotated. Is released to stop the motor 41, and the sheet B is locked at a predetermined height by known locking means (not shown).

The lowering operation of the electric adjustment seat pushes the finger hook 33a on the left side of the seat cushion lever 33 in the neutral position downward, and rotates the lever 33 counterclockwise around the axis 37,
The movable terminal 39 on the right side of the projection 38 is replaced with the fixed movable terminal on the right side of the concave portion 48.
The operation is performed in a direction opposite to that described above, for example, by contact with the motor 40 to close the reverse rotation circuit of the elevating motor 41.

Further, the movement of the electric adjustment seat forward (to the left in FIG. 4) is performed by the finger hooks 33 around the seat cushion type lever 33.
a and 33a are simultaneously gripped and moved forward to support the seat cushion type lever 33, and the shaft 37
The slide base type lever 42 connected by the same moves simultaneously against the spring 56 on the left side of the projection 25 of the console base 24 in the same direction, and the movable terminal 52 on the left side of the projection 51 on the lower side of the lever 42.
Contacts the fixed terminal 53 on the left side of the concave portion 58 of the console base 24 to close the forward rotation circuit of the motor 54 for forward and backward movement of the electric adjustment sheet, and the electric adjustment sheet advances by the forward rotation of the motor 54.

When the electric adjustment seat advances to the predetermined position, the lever 33
Is released, the slide base type lever 42 returns to the neutral position together with the cushion type lever 33 by the return force of the compressed spring 56 on the left side of the projection 25, and the forward / reverse rotation of the forward / reverse motor 54 The road is opened and the motor 54 stops.

In this state, the slide base is locked on the floor of the vehicle by well-known locking means (not shown), and the electric adjustment seat is fixed at that position.

When the electric adjustment seat is retracted, the slide base type lever 42 at the neutral position is moved rearward (to the right in FIG. 4) against the spring 56 on the right side of the projection 25 of the console base 24 via the cushion type lever 33. The operation may be performed in a direction opposite to the above, such as by pressing the movable terminal 52 on the right side of the projection 51 to the fixed terminal 53 on the right side of the recess 58 to close the reverse rotation circuit of the forward / reverse motor 54.

(Problems to be Solved by the Invention) However, in the conventional miniature seat type adjust switch structure as shown in FIGS. 3 and 4, the electric adjustment sheet is reduced in size similar to the electric adjustment sheet. An operation unit that can perform substantially the same operation as each sheet member,
That is, since the seat back type lever 26, the seat cushion type lever 33, the slide base type lever 42, and the like are configured separately from each other, the seat back type lever 26, the seat cushion type lever 33, the slide base type lever 42, etc. Is operated in accordance with the operation of each sheet member of the electric adjustment seat, whereby the driving circuit of each sheet member can be switched to electrically adjust each sheet member. (A) The seat back type lever 26 of the adjust switch A corresponding to the seat back of the rear seat protrudes from the outer peripheral general surface of the adjust switch A (the upper surface of the concave portion 22 of the console 21 in FIG. 4). There is a danger that human hands may accidentally touch the finger hook 26a of the seat back lever 26 of the adjustment switch A. Was.

(B) Further, in order to prevent the seat back type lever 26 from protruding from the general surface, it is necessary to adopt a structure in which the lever 26 is buried considerably deep from the general surface. In this case, the seat back type Operation of the lever 26 and the seat cushion lever 33, in particular, the seat cushion lever 33 which is to be buried considerably deeper in the recess 22
Operation becomes difficult.

(C) Seat back type lever of adjust switch A
Since the structure 26 and the seat cushion type lever 33 are operated separately, the operation is somewhat troublesome.

And other issues.

The present invention has been made in view of such problems in the conventional example, and has a reduced size similar to that of the electric adjustment sheet of the electric adjustment sheet of an automobile or the like, and is substantially similar to the operation of each sheet member of the electric adjustment sheet. The operation levers of the adjustment switches formed in the form of miniature sheets each performing the same operation are integrally formed, and the edge of each lever is flush with the inclined general surface of the recess in which the miniature switch is embedded. It is an object of the present invention to provide a miniature seat type adjust switch structure which can solve the above-mentioned problem by being buried in such a manner.

(Means for Solving the Problems) In order to solve the above-described problems of the conventional example, the present invention provides at least a seat cushion that can be moved back and forth, and a seat back whose inclination angle can be adjusted at a rear end side of the seat cushion. In the form of a reduced size similar to the electric adjustment seat having the above, an operation unit capable of performing the same operation as each of the seat members such as the seat cushion and the seat back of the electric adjustment seat is provided. In a miniature seat type adjust switch structure capable of switching the drive circuit of each seat member by an appropriate operation, the upper surface of the mounting portion of the adjust switch is formed in a forward-downward inclined surface, and substantially on the inclined surface. A sheet having a triangular cross section having a horizontal bottom surface and a rear surface rising from the rear of the horizontal bottom surface to an obtuse angle and rising to an inclined surface; The cushion-type operation unit and the seatback-type operation unit are configured as an integral operation body such that the seatback-type operation unit rises at an obtuse angle from the rear of the seatback-type operation unit. The seat cushion-type operation unit is movable back and forth along a substantially horizontal bottom surface of the recess, and the upper edge of the seatback-type operation unit is rotatable to the back side of the recess. The front edge of the seat cushion operating portion and the upper edge of the seat back type operating portion are substantially flush with the inclined surface of the mounting portion. The mounting portion is embedded in the mounting portion such that a connection portion with the back-type operation portion is located at a deep portion of the concave portion.

(Operation) Since the present invention has the above-described configuration, the operation unit of the operation body of the adjustment switch, which is similar in size to the electric adjustment sheet, is operated according to the operation of each sheet member of the electric adjustment sheet. In this manner, the driving circuit of each seat member is switched to adjust the electric adjustment sheet, and at this time, the edge of each operation unit is in contact with the inclined opening (general mounting surface) of the adjustment switch embedding recess. By being arranged in one, there is no risk of fingers or the like inadvertently coming into contact with the operating body of the adjust switch, and the flush with the front lowering inclined surface of the switch embedding recess opening. By operating the operation unit, in other words, the adjust switch is operated to adjust the electric adjustment seat without inserting a finger deeply into the bottom of the recess.

(Embodiment) Hereinafter, an embodiment of a miniature seat type adjust switch structure according to the present invention will be described with reference to FIG. 1 and FIG. Parts common to those in the conventional example shown in FIGS. 3 and 4 have the same names and the same reference numerals.

In FIGS. 1 and 2, reference numeral 60 denotes a console which is installed on the floor of an automobile (not shown), has a recess 61 for embedding an adjustment switch A, and has an inclined upper surface.
Reference numeral 1B denotes a horizontal bottom surface of the concave portion 61 and a back surface that stands at an obtuse angle from the rear end (right end in FIG. 1) of the horizontal bottom surface 61A.

The recess 61 is open on the inclined surface 60A of the console 60.

Reference numeral 70 denotes an operating body of the adjustment switch A, and the operating body 70 is configured in a reduced form similar to the electric adjustment sheet (not shown). 71 and 72 are seat back type levers as seat cushion type operation units of the operating body 70, and seat back type levers as seat back type operation units, and 73 and 77 are shish cushion levers 71 as seat cushion type operation units.
The projections 74 and 75 are the front and rear surfaces of the seat back lever 72, and the reference numeral 76 is a rotating shaft that rotatably supports the switch operating body 70 on both side walls of the recess 61 of the console 70. , 79a and 79b are springs, 80 is a projection that projects obliquely downward from the lower end of the seat back lever 72, 81 and 82
Are the terminal for reclining in the falling direction and the terminal for reclining in the rising direction provided before and after the protrusion 80, 83 and 84 are terminals 8
These are the falling direction and upright direction terminals provided opposite to the terminals 1 and 82.

Reference numeral 85 denotes a second recess provided in the horizontal switch installation bottom 61A of the recess 61, and reference numeral 86 denotes a projection provided at the center of the second recess 85.

Reference numeral 90 denotes a slide base type lever as a slide base type operation unit, 92 denotes a recess formed at an upper portion of the slide base type lever 90 and accommodates a projection 77 projecting downward from the cushion type lever 71, and 93 and 94 denote slides. Base type lever
Protrusions projecting downward from 90, 95 and 98 are rear slide switches, 96 and 99 are front slide switches, and 101 and 102 are springs for returning the slide base type lever 90 to the neutral position.

In addition, on the side of the cushion type lever 71 of the operating body 70,
A moving terminal (not shown) of the switch for raising and lowering the electric adjustment sheet is provided, and a fixed terminal (not shown) in contact with the moving-side terminal is provided on the side wall of the concave portion 61 at an appropriate interval. When the operating body 70 is raised or lowered, the lifting motor (see reference numeral “41” in FIG. 4) rotates forward or backward to raise and lower the electric adjustment seat.

 Next, the operation of this embodiment will be described.

(1) Operating method of slide base type lever First, this miniature seat type adjust switch A
However, when the slide base type lever 90 of the operating body 70 is pressed downward simultaneously with the fingers near the end of the surface 73 of the seat cushion type lever 71 and the top of the back-shaped bar 72, the switch operating body 70 is operated. The T-shaped hole 76 descends along the rotation axis 78, and the operation body 70, and therefore the cushion-shaped lever 71, descends against the springs 79A and 79B, and the lower cushion convex portion 77 fits into the concave portion 92 of the slide base type lever 90. In this fitting state,
When the seat cushion type lever 71 is moved forward (to the left in FIG. 1) or backward, the slide switch lever 90 moves forward (to the left in FIG. 1) or backward against the spring 101 or 102. Slide.

When the slide switch type lever portion 90 is slid rearward (to the right in FIG. 1), the moving-side rearward sliding terminal 98 is provided.
Is brought into contact with the fixed-side rear sliding terminal 95 to close the reversing drive circuit of the forward / reverse motor (see reference numeral 54 in FIG. 4 showing a conventional example). 99 contacts the fixed side forward slide switch terminal 96 to close the forward drive circuit, drive the forward / backward motor in the forward direction, and move the electric adjustment seat forward and backward.

At this time, the length of the horizontal upper portion of the T-shaped hole 76 is
And 98 and 96 and 99 are wider than the intervals C, and the operation of moving the slide base lever 90 in the front-rear direction by the operating body 70 is facilitated.

After the electric adjustment sheet is moved by a predetermined amount, it is locked by locking means (not shown).

When the operation force of the switch operating body 70 in the front-rear direction is released, the slide base type lever 90 returns to the neutral position in the front-rear direction (FIG. 1) by the springs 101 and 102, and the slide base type lever 90 The operating body 70 to be engaged also moves to the neutral position in the front-rear direction (however, the operating body 70 is at the lowered position), and the center of the horizontal portion of the T-shaped hole 76 is the position of the rotary shaft 78. In this state, when the downward pressing force of the operating body 70 is released, the repulsive force of the compressed springs 79A, 79A causes T
The vertical portion of the hole 76 rises along the rotation axis 78, and the operating body 70
Returns to the neutral position in FIG.

(2) Reclining switch operation method, When the surface 74 of the seat back type lever portion 72 of the operation body 70 is pressed with a finger, the operation body 70 rotates clockwise around the rotation axis 78, and the tip of the projection 80 falls down. Reclining switch terminal
81 and the falling direction reclining switch terminal 83 on the slide base type lever 90 side come into contact with each other to close the falling direction drive circuit of the reclining motor (see reference numeral “31” in FIG. 4 showing a conventional example), and Of the seat cushion lever 71 (or the back 75 of the seat back lever 72)
When the operating body 70 is rotated counterclockwise around the rotation shaft 78, the reclining terminal 82 of the projection 80 in the rising direction comes into contact with the reclining terminal 84 of the rising direction of the projection 62, and the reclining motor Close the drive circuit,
The reclining motor is rotated forward or backward to make the electric adjustment seat fall or stand.

When the finger for operating the seat back lever 72 of the operating body 70 is released, the operating body 70 returns to the neutral position in FIG.

(3) Operating method of the cushion switch First, after loosening the fixing bolt of the electric adjustment seat (not shown), the cushion-type lever 71 of the operating body 70 is gripped and moved slightly diagonally backward and upward, or slightly diagonally forward and downward. When this is done, either a terminal (not shown) provided on the side of the cushion-type lever 71 or a lifting terminal or a lowering terminal of the seat lifting drive circuit provided at an appropriate distance inside the side wall of the recess 61 is provided. Then, the respective drive circuits are closed, and the lift motor (see reference numeral "41" in FIG. 4) is driven in the ascending or descending direction to raise or lower the electric adjustment sheet.

After raising or lowering the electric adjustment seat to the required position,
The electric adjustment seat is fixed at that position by well-known fixing means (not shown), the seat cushion type lever 71 is released, and the operating body 70 is returned to the neutral position in FIG.

(Effects of the Invention) Since the invention has the above-described structure and operates, the following unique effects can be obtained.

(1) The operating portion of the adjustment switch of the electric adjustment seat is configured as an integral operation body having a lever corresponding to each of the seat members of the electric adjustment seat in a reduced size similar to each sheet member. Since the operation is performed in accordance with the operation of each seat member of the electric adjustment seat, there is no danger of erroneous operation of the miniature seat type adjustment switch.

(2) Since each lever of the miniature seat type operation body is buried in proximity to the inclined surface of the concave portion whose front surface is inclined downward, the operation of each switch lever of this adjustment switch becomes easy, and furthermore, each switch is operated. Injury caused by the protrusion of the lever can be prevented.

(3) Operate the adjustment switch on the electric adjustment seat
By operating each lever of the miniature seat-type operation body of a reduced size similar to the electric adjustment seat, the operation is performed in accordance with the operation of each seat member of the electric adjustment seat or the body movement of a seated person on the electric adjustment seat. Therefore, even when the operation mode of the electric adjustment sheet is somewhat complicated, the operation method can be easily mastered, and therefore, any person can easily operate without having to use a detailed instruction manual.

(4) The operation body of the miniature seat-type adjust switch is embedded in the recess opening on the upper front inclined surface of the console as a mounting body so that the switch lever is flush with the inclined surface. Therefore, there is no need to insert a finger for lever operation deep into the recess in which the miniature seat type switch is embedded, so that the operability is improved.

(5) Since each switch lever of the miniature seat type adjust switch is integrally formed, the structure is simplified, the number of parts is small, and this switch structure can be provided without increasing cost.

(6) Since the operation section of the miniature seat type adjustment switch is configured as a miniature seat type operation body similar to the electric adjustment seat, the upper portion of the console as a mounting portion, the floor, and the like are easy to see and obstruct. It can be installed in an easy-to-operate place and in a small place.

(7) Since each lever of the miniature seat type operation body is buried in proximity to the inclined surface of the concave portion whose front surface is inclined downward, the miniature seat type adjust switch structure is used for transportation of automobiles and the like. The console box, which is installed in the cab of the device and has a concave portion having a downwardly inclined surface, is buried near the inclined surface of the concave portion having a downwardly inclined surface, so that the console box has a concave portion. The present invention can be implemented without fear of affecting the operability of other members in the cab or the livability in the cab.

[Brief description of the drawings]

1 and 2 show an embodiment of a miniature seat type adjust switch structure according to the present invention.
FIG. 2 is a schematic cross-sectional view of the main part of the conventional switch, FIG. 2 is a perspective view of the main part, FIG. 3 is a perspective view of the main part of a conventional miniature seat type adjust switch structure, FIG. FIG. 4 is a schematic vertical sectional view of a part. 60… Console, 61A… Slope of console, 61…
... recess, 61A ... bottom for switch installation, 61B ... back for switch installation, 62, 80, 86, 93, 94 ... prong, 70 ... operating body, 71 ... seat cushion type lever, 72 ... Seat back type lever, 73 ... Seat cushion type lever surface,
74 ... seat back type lever surface, 76 ... rotating shaft, 77 ...
… Protrusion, 82… Lifting direction reclining terminal, 83…
... reclining terminal in the falling direction, 85 ... second recess,
90 ... Slide base type lever, 95, 98 ... Back slide terminal, 99,99 ... Front slide terminal, A ... Adjust switch.

Claims (2)

(57) [Scope of request for utility model registration] An electric adjustment seat having a seat cushion movable at least back and forth and a seat back having an adjustable inclination angle at a rear end side of the seat cushion is reduced in size.
An operation unit capable of performing the same operation as each seat member such as a seat cushion and a seat back of the electric adjustment seat,
In a miniature seat type adjust switch structure capable of switching a drive circuit of each sheet member by an operation in accordance with an operation of each sheet member of each operation unit, an upper surface of a mounting portion of the adjust switch is formed in a forward-downward inclined surface shape. And a concave portion having a triangular cross section having a substantially horizontal bottom surface and a rear surface rising from a rear position of the horizontal bottom surface to an obtuse angle and reaching the inclined surface, and the seat cushion type operation is performed on the inclined surface. And the seatback-type operation unit are configured as an integral operation body such that the seatback-type operation unit rises at an obtuse angle from the rear of the seatback-type operation unit, and the operation body includes the seat The cushion-shaped operating portion is movable back and forth along a substantially horizontal bottom surface of the recess, and the upper edge of the seatback-shaped operating portion is rotatable to the back side of the recess. The front edge of the seat cushion operating portion and the upper edge of the seat back operating portion are substantially flush with the inclined surface of the mounting portion, and the seat cushion operating portion is disposed at a predetermined distance from the surface. A miniature seat type adjustment switch structure, wherein the connection portion between the seat and the seat back type operation unit is buried in the mounting portion so as to be located at the back of the concave portion. 2. The operation body is supported so as to be able to move back and forth on a substantially horizontal bottom surface in the recess and to be rotatable near a joint between the seat back type operation part and the seat cushion type operation part. The operating body further includes a slide lever slidable on the substantially horizontal bottom surface of the recess below the seat cushion type operation unit, and the slide lever is provided in the seat cushion type. The operating body is rotatably coupled to the operating body with a predetermined gap from the operating unit, and has a terminal for the driving circuit in the driving circuit. The miniature seat type adjust switch structure according to claim 1.