JPH0521474Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) The present invention is aimed at adjusting the displacement position of the seat member, such as the longitudinal position of the seat cushion of the vehicle seat and the rotating position of the seat bag. Relating to an adjustment device.

(Prior Art) Conventionally, this type of device has been equipped with an operation switch provided near the seat, and a drive mechanism that is activated by turning on the switch to displace the seat member. The seat member can be moved to a desired position by the driver or passenger turning on the operating switch as appropriate.

(Problems to be Solved by the Invention) However, in the conventional device described above, when the driver or passenger sitting on the seat takes turns adjusting the position of the seat member, the driver or passenger is unable to adjust the position of the seat member. It is necessary to turn on the operating switch until the seat is displaced to the desired position, and it is also necessary to determine the position of the seat member while feeling the comfort of the seat with your body, so the position adjustment of the seat member is performed by the driver or the driver. There was a problem that it was troublesome for the crew.

The present invention has been devised in view of the above-mentioned problems, and its purpose is to provide a seat member position adjustment device for a vehicle that allows the position of the seat member to be adjusted by a simple operation.

(Means for Solving the Problems) In order to solve the above problems and achieve the purpose of the present invention, the present invention provides a movable seat member disposed near a vehicle seat to control the displacement position of a seat member in the seat. a position adjustment operator for adjustment, a drive mechanism that displaces the sheet member, and a drive mechanism that displaces the seat member to a displacement position corresponding to an operating position of the position adjustment operator in conjunction with the position adjustment operator. a control means for controlling the drive mechanism so that the position adjustment operation is performed; and a position display operation that is displaceable along the displacement direction of the position adjustment operation and that displays the position at which the position adjustment operation should be operated. Accordingly, a seat member position adjustment device for a vehicle seat is configured.

(Operation and Effect of the Invention) In the present invention configured as described above, when the person who adjusts the position of the seat member sets the position adjustment operator to the desired position, the drive mechanism is activated in cooperation with the control means. Since the seat member is driven to a displacement position corresponding to the set operating position of the position adjustment operator, the driver or passenger is required to continue operating the position adjustment operator until the seat member is displaced to the desired position. This eliminates this problem, making the position adjustment operation of the seat member simple and convenient.

Furthermore, according to the present invention, if a person who often sits on the seat, such as the owner of the vehicle or his or her family, can set the position display control to correspond to his or her preferred position, the person can adjust the position. Since the seat member is always displaced to a desired position simply by operating the operator to the set position of the position display operator, the position adjustment operation of the seat member becomes easier and more convenient.

(Embodiment) An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a schematic perspective view of a vehicle seat according to the present invention.

The seat includes a seat cushion 11, a seat back 12, and a headrest 13. First side supports 14, 15 are provided on both left and right sides of the seat cushion 11 to project upward, and second side supports 16 are provided on both left and right sides of the seat back 12. ，
17 protrudes forward. A console panel 18 is provided on the left side of the first side support 14. On the console panel 18, as shown in FIGS. 1 and 2, a position adjustment operator 21 and position display operators 22 and 23 are arranged. The position adjustment operator 21 is used to adjust the front-rear position of the seat, and is configured to slide along a groove 18a provided in the console panel 18 and to be held at an arbitrary position. The position display operators 22 and 23 are for displaying the position where the position adjustment operator 21 should be set, and are located in the groove 18 provided in the conosole panel 18 in parallel with the groove 18a.
b and is held at any position. These position display indicators 22, 23
has only a function as a marker, and in this embodiment, both the operators 22 and 23 are formed in the same shape, but both the operators 22 and 23 may have different shapes. Further, both the operators 22 and 23 may be colored differently or given different letters so that they can be distinguished. Note that a pattern 24 of the seat is drawn on the console panel 18. An adjustment device for moving the seat in the front and back direction is provided at the lower part of the seat cushion 11 configured as described above.

As shown in FIG. 1, this adjustment device consists of lower rails 25 and 26 that extend in the front and back direction on both left and right sides of the lower part of the seat cushion 11 and are fixed to the vehicle body.
has. Upper rails 27 and 28 are fitted into the lower rails 25 and 26 so as to be movable in the front and rear directions. Side frames 31 and 32 are fixed to the upper rails 27 and 28, and both frames 31 and 32 are connected by a rod 33.
These side frames 31, 32 and rod 3
3 fixedly supports the seat cushion 11 and first side supports 14 and 15. Further, a bracket 34 is fixed to the upper rail 28 and the side frame 32, and the bracket 34 supports an electric motor 35. The left and right rotation shafts of the electric motor 35 are connected to gearboxes 36 and 37,
Gearboxes 36 and 37 reduce the rotation speed from electric motor 35 and change its direction to rotate shafts 41 and 42. Shaft 41,4
2 is rotatably supported by brackets 43 fixed to upper rails 27, 28 and side frames 31, 32. A male thread is formed on the outer periphery of the shaft 41, 42.
A female thread 44 is engaged with the male thread 2. This female thread 44 is fixed to a bracket 45 fixed to the lower rail 26 so as not to be rotatable or movable. Although not shown, the shaft 41 is also configured in a similar manner. As a result, when the electric motor 35 is driven and the shafts 41 and 42 are rotated, the upper rails 27 and 28 are moved to the lower rails 25 and 42.
26 in the front and back direction. Further, a position detector 46 is disposed between the gear box 36 and the rod 33 to detect the rotation of the shaft 41 and detect the amount of displacement of the upper rails 27, 28, that is, the seat in the front and back direction.

Next, an electric control circuit that servo-controls the electric motor 35 will be explained. This electrical control circuit is
As shown in FIG. 3, a potentiometer 21a whose movable element is driven by the operation of the position adjustment operator 21 (FIGS. 1 and 2) and generates a voltage corresponding to the position of the operator 21 has. The output of this potentiometer 21a is connected to the non-inverting input (+) of the differential amplifier 51.
Potentiometer 46 is connected to the inverting input (-) of 1.
a is connected. This potentiometer 4
Reference numeral 6a is built in a position detector 46 (FIG. 1), and its movable element is driven by the rotation of the shaft 41 to generate a voltage corresponding to the longitudinal position of the seat. The differential amplifier 51 outputs a voltage signal equal to the difference between both input voltages, and this voltage signal is supplied to the drive circuit 52.
The drive circuit 52 supplies the electric motor 35 with a voltage according to the supplied voltage signal, and rotates the motor 35 in a direction that reduces the voltage difference.

Next, the operation of the embodiment configured as described above will be explained. When a person sitting on the seat operates the position adjustment operator 21 to move it to a desired position, the voltage corresponding to the position is applied to the potentiometer 21a.
and is supplied to the non-inverting input (+) of the differential amplifier 51. On the other hand, a voltage corresponding to the current position of the sheet detected by the position detector 46 is applied to the inverting input (-) of the differential amplifier 51.
Since the differential amplifier 51 and the drive circuit 52 control the rotation of the electric motor 35 in a direction in which both voltages from the potentiometers 21a and 46a decrease, the motor 35 rotates in the aforementioned direction. start. The rotation of this electric motor 35 is transmitted to shafts 41 and 42 via gear boxes 36 and 37.
The upper rails 27, 28 rotate the shafts 41, 42, so the upper rails 27, 28 rotate the lower rails 2.
5 and 26, and with this movement, seat members such as the seat cushion 11 and the seat bag 12 move in the direction corresponding to the position set by the position adjustment operator 21.

Due to the movement of these sheet members, when the voltage from the potentiometer 46a becomes equal to the voltage from the potentiometer 21a, the differential amplifier 5
1 stops outputting the voltage signal, so the drive circuit 5
The drive control of the electric motor 35 by No. 2 is stopped. As a result, the rotation of the electric motor 35 is stopped, so the movement of the upper rails 27 and 28 is stopped, and the seat members such as the seat cushion 11 and the seat back 12 are adjusted in position according to the voltage output from the potentiometer 21a. The controller 21 is controlled to be set at a position corresponding to the operating position,
The longitudinal position of the seat is adjusted. In this way, the person sitting on the seat can use the position adjustment operator 21.
The longitudinal position of the seat can be adjusted simply by adjusting the seat to a desired position. According to the above embodiment, the longitudinal position of the seat can be adjusted easily.

In such a case, if the person who sets the seat position is a person who frequently sits on the seat, for example, the owner of the vehicle or a family member, after setting the seat position, adjust the position of either of the position display controls 22 and 23. Slide it to a position where it lines up with the control element 21.
This allows the seat position to be adjusted to the position display operator 22.
or 23, it will be stored and displayed. In this state, after another person sits on the seat and changes the position of the position adjustment operator 21 to adjust the seat position, the person who previously operated the position display operator 22 or 23 changes the seat position again. When adjusting,
The same person slides the position adjustment operator 21 to the position indicated by the position display operator 22 or 23. By this operation, the seat is moved to the position corresponding to the operating position of the position adjustment operator 21 as described above, so that position adjustment of the seat becomes extremely easy. In addition, in the above embodiment, since two position display operators 22 and 23 are provided, seat positions for up to two people can be stored and displayed, and if two people frequently sit on the seat, ,
When these people sit on the same seat, they only need to make the position adjustment operator 21 correspond to the position display operators 22 and 23, respectively, so that the seat position adjustment becomes extremely easy. Note that if there are three or more people sitting on the seat, the position display controller 22,
The number of 23 can be further increased.

In the above embodiment, the present invention was applied to a seat member position adjustment device that moves all the seat members such as the seat cushion 11, the seat back 12, and the head rest 13 back and forth. It can also be applied when rotating seat members such as the like back and forth. 4 and 5 show an example in which the seat members such as the seat bag 12 and the headrest 13 are rotated back and forth, and the rotation position adjustment operator 61 for rotating the seat members is the second side support 1
6. This rotational position adjustment operator 61 is used to rotate seat members such as the seat back 12 and headrest 13 back and forth according to the rotational operation position, and has a circular groove 16 on its outer periphery.
Rotational position display operators 62 and 63 are provided as markers that are rotationally displaced along a. Note that the mechanism for rotating seat members such as the seat bag 12 and the headrest 13 and the electric control circuit for controlling the same mechanism include a mechanism for rotating the seat bag 12 by an electric motor, etc., and an electric control circuit for servo-controlling the motor. Just use it. According to this other embodiment, the rotational positions of the seat back 12, headrest 13, etc. can be adjusted by the rotational position adjustment operator 61 and the rotational position adjustment operators 62, 63.
As in the case of the above embodiment, the use of the above makes it extremely easy.

Furthermore, the present invention can also be applied to a case where sheet members such as the first and second side supports 14, 15, 16, 17, etc. are rotated inwardly and outwardly.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a schematic configuration of a vehicle seat according to an embodiment of the present invention, FIG. 2 is an enlarged view of the position adjustment operator and position display operator shown in FIG. 1, and FIG. 1 is a block diagram of an electric control circuit that servo-controls the seat position adjustment device shown in FIG. 1, FIG. 4 is an external perspective view of a vehicle seat showing another embodiment of the present invention, and FIG. FIG. 3 is an enlarged view of a rotating position adjusting operator and a rotating position displaying operator. Explanation of symbols, 11... Seat cushion, 12
...Seat back, 13...Headrest, 1
4, 15, 16, 17...Side support, 18
... Console panel, 21 ... Position adjustment operator, 21a ... Potentiometer, 22, 23
...Position display operator, 25,26...Lower rail, 27,28...Upper rail, 35...Electric motor, 36,37...Gear box, 41,4
2... Shaft, 44... Female thread, 46... Position detector, 46a... Potentiometer, 51...
... Differential amplifier, 61 ... Rotation position adjustment operator,
62, 63...Operator for rotational position display.

Claims (1)

[Scope of utility model registration request] A position adjustment operator displaceably disposed near a vehicle seat for adjusting the displacement position of a seat member on the seat, a drive mechanism for displacing the seat member, and a drive mechanism interlocked with the position adjustment operator. a control means for controlling the drive mechanism to displace the sheet member to a displacement position corresponding to the operation position of the position adjustment operator; and a control means displaceable along the displacement direction of the position adjustment operator. A seat member position adjustment device comprising a position display operator that displays a position at which the position adjustment operator should be operated.