JP2548384Y2 - Throttle controller - Google Patents

Description

[Detailed description of the invention]

[0001]

The present invention relates to a throttle control.
In particular, it is equipped with a failure diagnosis device for automobiles ,
Suitable for automatically controlling the accelerator pedal of the vehicle
Regarding the throttle controller.

[0002]

2. Description of the Related Art Recently, in a car repair shop or the like, a failure diagnosis device that can automatically diagnose each part of the device based on a predetermined diagnosis program when performing a failure diagnosis or maintenance inspection of a vehicle is adopted. It is getting.

[0003] Among the diagnostic modes in such a diagnostic apparatus, there is a mode in which the engine speed is maintained at a constant value, and a predetermined diagnosis is performed based on a detection value of a flow sensor or the like obtained at this time. Have been.

[0004] Therefore, when the above conditions and the like are displayed on the display of the diagnostic apparatus, it is inevitably required that a mechanic or the like depresses the accelerator pedal by himself .

[0005]

An invention is, however, Lud Isupurei put the diagnostic work as described above is not limited to a fact is placed in a position which can viewed tachometer in a car at the same time, therefore, the accelerator pedal The stepping-in work had to be a joint work with other mechanics and the like, which was a factor of lowering work efficiency.

Further, the work narrowing seen Stepping is artificial, which since they are performed while viewing the rotational speed appearing on the instrument, the precision with respect to the engine rotational speed, which is presented as a diagnostic condition can always satisfactory And the inconvenience that accurate diagnosis cannot be achieved
Was .

[0007]

[Purpose of the invention] Main ideaThe idea is, When diagnosing car breakdowns, etc.
Depressing the accelerator pedal where required
Eliminates man-made work and reduces the set engine speed.
Automatically adjusts the pressure of the accelerator pedal.Can
In this way, the efficiency of diagnosis of car breakdowns etc. can be improved
And improve the accuracy of diagnostic resultsThrottle control
Providing rollersIs the purposeYou.

[0008]

In order to achieve the above-mentioned object, according to the present invention, one end is provided with a rotatably rotatable connection.
Length adjustment with a pedal pressing member (support bracket) 9
Adjusting member 8 and the other end of the length adjusting member 8
Telescopic mechanism 1 connected reciprocally along member 8
And a fixing provided at the distal end of the extension mechanism 1 in the extension direction.
And a side connector 4 . The telescopic mechanism 1 includes a length adjustment unit
One engaging member 3 that engages with the material 8 and the one engaging portion
Reciprocally engages with the one engaging member 3 along the material 3
And at the end opposite to the one engaging member 3
The other engaging member 2 to which the above-described fixed side connecting tool 4 is connected.
And Further, the above-mentioned one engaging member 3 includes:
The other engagement member 2 described above is provided with a control device separately provided in advance.
Equipped with a drive mechanism 19 that is urged to move and expands and contracts
In addition, one of the engagement members 3 described above is connected to the length adjustment unit.
Screw mechanism for fixing at any engagement position with the material 8
(15, 16) is provided on the length adjusting member 8.
It has a configuration.

[0009]

With [created for Solid Jogawa connector 4 is fixedly connected to a dashboard used in a car, pedal pushing member 9 is abutted placed on the pedal. In this state, the driving mechanism 19 described above is used.
Is driven in response to a predetermined control signal, the driving force
The solid Jogawa is transmitted to the connecting member 4, the reaction force one engagement portion
Becomes the other expansion and contraction of the engagement member 2 with respect to timber 3 that Re <br/> I Table. Also, by operating the fixing screw mechanism (15, 16),
The one engaging member 3 described above is attached to the length adjusting member 8.
Adjusting the entire length by fixing at any engagement position
Can be adjusted to accommodate various types of cars
Become.

[0010]

An embodiment of the present invention will be described below with reference to the drawings.

[0011] FIGS. 1 to 3 show the overall structure of the throttle controller according to the first actual施例. In these drawings, an expansion mechanism 1 includes a first prism 2 as the other engagement member and one of the first prisms 2 fitted on the outer peripheral side of the first prism 2 .
And a second prism 3 as an engagement member . These prisms 2 and 3 are provided so as to be relatively movable along their respective axial directions, and the axial movement is made variable by the relative movement.

[0012] One end portion of the first corner pillar 2 (i.e., left <br/> unit content in the figure) is provided with the fixed-side connecting member 4. The fixed-side connecting member 4, as shown in FIG. 3, for example intended to be engaged under ene of the dashboard 5, which is formed in a shape that side shape having a substantially L-shaped. The inner surface of the stationary side connector 4 is preferably a flexible member 7 consisting of rubber or the like which is interposed between the dashboard 5 is mounted, a fixed engagement frictional force ensured by the action of the flexible member 7 At the same time, the dashboard 5 is not damaged.

The other end of the telescopic mechanism 1, that is, the second prism 3
The right end in the drawing section of the pedal pressing member 9 through the length adjustment member 8 is provided indirectly. The pedal pressing member 9, as shown in FIG. 3, the surface-contacting portion 12 abuts against the accelerator pedal 10, the co-when supporting the surface-contacting portion 12
Swingable through a pin 14 to the length adjusting member 8 pre predicate
To a support bracket 13 provided on the (undulations rotatable)
It is composed of

[0014] The length adjustment member 8, together are formed the second prism 3 to interpolate so, slits 15 along the axial direction is formed. In this slit 15, a thumb screw 16 screwed to the outer surface side of the second prism 3 is arranged so as to be exposed outside the slit 15, and therefore, when the thumb screw 16 is loosened, the length is adjusted. The member 8 is axially movable with respect to the second prism 3 and the thumb screw 1
When 6 is tightened, both have a fixed relationship. This
The length of the second prism 3 protruding from the length adjusting member 8 is
It is being adjusted. Here, the slit 1
5 and the thumb screw 16 constitute a fixing screw mechanism.
I have.

[0015] Solid Jogawa connecting member 4 and between the second prism 3, the rod 17 of the connecting bar is stretched along a first prism 2 described above. This rod 17 is driven
A part of the mechanism 19 is engaged with the engaging pin 18 which is the left end in FIG. 1 protruded from the fixed-side connecting member 4, the right end side
There is connected to the disk 20, which also constitutes a part of the drive mechanism 19.

Further, the drive mechanism 19 includes a servomotor 21 for rotating the disk 20 forward and reverse in addition to the disk 20 described above . Therefore, when the disk is rotated by the servomotor 21, a force is applied in the axial direction of the rod 17, and the second prism 3 is moved on the first prism 2 in the axial direction by this reaction force. The contact surface 12 of the pedal pressing member 9 connected to the accelerator pedal 10 acts on the accelerator pedal 10.

A control device 24 for providing a drive signal to the servo motor 21 is connected to the servo motor 21 described above . The control device, for example apparatus for storing a diagnostic program for the automobile, the arithmetic unit, automatic / manual Dosetsu circuit etc., a controller having various control functions for performing a predetermined diagnostic work. This will be described in relation to the servomotor 21 of the drive mechanism 19. When a predetermined instruction is given to maintain the engine speed at a specific value, the difference between the pressing amount of the accelerator pedal 10 and the engine speed is determined. The motor drive amount obtained in advance from the correspondence relationship is obtained by the control device 24, and a drive signal corresponding to the obtained value is output to the servo motor 21.

Next , the operation of the first embodiment will be described.

In the initial operation, the throttle controller is installed between the dashboard 5 and the accelerator pedal 10 as shown in FIG. At this time, the position of the length adjusting member 8 is adjusted according to the distance between the dashboard 5 and the accelerator pedal 10.

Assuming that such an initial operation has been completed and a diagnosis command to set the engine speed to 1500 [rpm] has been given to the control device 24, the control device 2
4 obtains the drive direction and the amount of rotation of the servomotor 21 from the correspondence between the engine speed and the amount of depression of the accelerator pedal corresponding to the type of the vehicle , and outputs a control signal corresponding to this to the servomotor 21. I do.

In the servo motor 21, the motor is driven by a predetermined amount in accordance with the above-mentioned control signal, and the disk 20 provided on the output shaft is rotated. At this time, since both ends of the rod 17 are fixed, for example, a reaction of a force acting in the axial direction is applied to the second prism 3,
Therefore, the second prism 3 moves on the first prism 2, and the pedal pressing member 9 presses the accelerator pedal 10 by a predetermined amount.

When the engine speed does not reach the set number
When walking exceeded is corrected by the control unit 24 based on the detection signal of the sensor or the like (not shown) detects this, operation forward or Gyakukata servo motor 21 and correspondingly
It is controlled in the direction .

[0023] Therefore, according to this first embodiment, be arranged throttle controller between the dashboard 5 and the accelerator pedal 10, automatically perform a predetermined amount of pressing (depressing) the operation of the accelerator pedal 10 Can this
Therefore, there is no delay in the control operation, etc., and in such a point, it is possible to effectively utilize the failure diagnosis apparatus for a vehicle, and there is an effect that the failure diagnosis is performed by a single operation.

Further, since there is provided a length adjusting member 8 between the telescopic mechanism 1 and the pedal pressing member 9, it can also sufficiently deal with the diversity of the distance between the dashboard 5 and the accelerator pedal 10, It can be applied to each vehicle from small to large.

Next , a second embodiment will be described with reference to FIG.

In the second embodiment, the expansion and contraction of the
Feed screw as drive means (drive mechanism) for performing
It is characterized by using a shaft device. Immediately
The leading end of the feed screw shaft 30 as a connecting member is fixed.
The inside of the receiving plate 31 protruded from the side connecting tool 4 is screwed and penetrated.
And the reaction caused by the rotation of the feed screw shaft 30
The second prism 3 is advanced and retracted with respect to the fixed-side coupling tool 4.
It is what was constituted. As a result, the extension mechanism 1
It is configured so that the length of the body can expand and contract.

According to the second embodiment, the above-described effect can be obtained.
In addition, the amount of drive of the feed screw shaft 30 and the amount of expansion and contraction of the
The effect that can bring more linearity to the
Fruits can be added further.

Other configurations and operations are the same as those of the first embodiment.
It may be similar to the example. That is, in FIG.
The length adjusting member 8 and the length adjusting member 8
The case where the thumb screw 16 for fixing the prism 2 is omitted is opened.
This is shown in FIG. 1 through FIG.
With the same configuration and operation as in the embodiment
Is also good.

In each of the above embodiments, the extension mechanism is used.
1, the length adjusting member 8 and the like are illustrated and described in terms of a prismatic shape.
However, the present invention is not limited to this.
The shape may be another shape such as a shape.

The fixed-side connecting member 4 and the pedal pressing portion
The shape and the like of the material 9 can be variously changed.
In the case of using the devised throttle controller
Shall have a shape corresponding to the shape of the internal application part of the vehicle.
You can also.

[0031]

[Effects of the Invention] As described above, according to the present invention,
Eliminate the artificial work of depressing the accelerator pedal, which is required when diagnosing car breakdowns, etc.
Automatically it becomes possible to perform the pressing adjustment of the accelerator pedal by and corresponding to the end <br/> Gin rotational speed in accordance with the advance in the control unit set control information, and therefore, the depression late
Since such inconveniences are eliminated, diagnosis of car breakdown etc.
It is possible to streamline cutting work and improve the accuracy of diagnosis results.
Yes, and the distance between the dashboard and the pedal
Telescopic mechanism and length adjustment member for various different vehicles
Function effectively and can cope with this sufficiently.
That Ru can provide practical slots <br/> Torr controller unprecedented with versatility in terms.

[Brief description of the drawings]

1 is a schematic configuration diagram showing a first real施例of the present invention.

FIG. 2 is a schematic plan view showing a partial cross section of FIG . 1 ;

FIG. 3 is an explanatory diagram showing the operation of FIG. 1;

4 is a schematic diagram partially omitted showing a second actual施例.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Expansion / contraction mechanism 2 1st prism as the other engagement member 3 2nd prism 4 as one engagement member 4 Fixed side connection tool 8 Length adjustment member 9 Pedal press member 15 It forms a part of fixed screw mechanism. Slit 16 Thumb screw 17 which forms a part of a fixed screw mechanism Rod which forms a part of a drive mechanism 19 Drive mechanism (driving means) 20 Disk 21 which forms a part of a drive mechanism Servo motor 30 which forms a part of a drive mechanism Screw shaft that forms part of

Claims (1)

(57) [Scope of request for utility model registration] (1) An end is provided so as to be rotatable and rotatable.
Length adjusting member having a pedal pressing member, and the length adjusting member
Reciprocatingly movable along the length adjustment member at the other end of the member
The connected telescopic mechanism and the end of the telescopic mechanism in the extension direction
And a fixed-side coupling tool provided on the other end, and the one of the engagement members for engaging the extension mechanism with the length adjustment member.
The mating member and the one engaging member along the one engaging member.
The first engaging portion is engaged with the member so as to be reciprocally movable.
In addition to the above-mentioned fixed-side connecting tool being connected to the end opposite to the material
Constituted by a square engagement member, said one of the engagement members, previously separately the other engagement member
A drive mechanism that is energized and contracted by an equipped control device
Is fixedly mounted, and the one engagement member is connected to the length adjustment member.
A fixing screw mechanism for fixing at any engagement position with respect to
A throttle controller provided on the length adjusting member .