JPH10331669A - Wire connecting device for control - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily assemble a device to connect an acceleration wire and a troque converter wire without readjusting an operating angle in the full opening direction even when parts have dispersion and improve precision of control. SOLUTION: This device is furnished with a first lever 7 connecting a wire 9 for driving and a second lever 8 connecting a wire 9 for being driven free to integrally revolve around a shaft 6 as their center. A stop lever 11 is furnished free to revolve around the shaft 6 as its center. The first lever 7, the second lever 8 and the stop lever 11 are integrally held by having an operating angle θ1 and are made free to revolve. This holding is carried out by spring 16. The stop lever 11 is fastened after connecting both of the wires 9, 10 or the wire 9 for driving.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control wire connecting device.

[0002]

2. Description of the Related Art Conventionally, as a connecting device for connecting a driving wire driven by an accelerator in an internal combustion engine of an automobile and a braking wire for controlling the engine and the like, there is a connecting device as shown in FIGS. 10 and 11, for example. 59-159
No. 745.

[0003] The connection device shown in FIGS. 10 and 11 will be described. FIG. 10 is a plan view of the connection device. The bracket 101 has a bolt hole 10 in the engine or the vehicle body.
Fixed through 2. An adjusting screw mounting plate 103 is fixed to the bracket 101, and a collar 104 is penetratingly fixed between the adjusting screw mounting plate 103 and the bracket 101 as shown in FIG.
The shaft 106 is rotatably provided via the shaft 05.

[0004] The shaft 106 is provided with a first lever 107 such as an accelerator lever and a second lever 108 such as a torque converter lever, which are integrally rotated. Then, the first lever 107 and the bracket 10
A back spring 109 is provided between the first lever 107 and the first lever 107.
10 is provided so as to urge in a counterclockwise direction about the shaft 106 in FIG.

[0005] The first lever 107 is provided with a fully-open stopper surface 110, and an adjustment screw 111 for the fully-open stopper is located on the clockwise rotation locus of the surface 110.
The adjusting screw mounting plate 103 is provided by being screwed into a piece 112 of the adjusting screw mounting plate 103, and a fully open stopper surface 110 and an adjusting screw 111 are provided.
An operating angle θ is formed between them. A fixing nut 113 is screwed into the adjusting screw 111 for the fully opened stopper.

Next, the assembling will be described. First, before the drive wire 115 is connected, the fully-closed stopper surface 118 of the bracket 101 is
19, the fully closed position of the first lever 107 is regulated. Next, the wire end hole 11 of the first lever 107 will be described.
4 is connected to the wire end of the driving wire 115. In this state, the fully closed stopper surface 118 of the first lever 107 is separated from the fully closed stopper surface 119 of the bracket 101 as shown in FIG. Next, the wire end of the driving wire 117 is connected to the wire end hole 116 of the second lever 108.

In such an assembled state, when the driving wire 115 is pulled in the direction of arrow A in FIG. 10, the first lever 107 and the second lever 108 rotate integrally clockwise in FIG. The wire 117 is pulled in the direction of arrow A in FIG. When the driving wire 115 is loosened, the first lever 107 is pressed by the biasing force of the back spring 109.
And the second lever 108 are integrally rotated in the counterclockwise direction in FIG. 10 to loosen the driven wire 117.

When the drive wire 115 is pulled to the fully open position, the fully open stopper surface 110 of the first lever 107 is opened.
Is rotated by the operating angle θ and abuts on the adjusting screw 111, and the fully open position thereof is regulated.

[0009]

In the above-described conventional wire connection device, the driving wire 115 is connected to the first lever 107, and the driven wire 117 is connected to the second lever 10.
8 without play, the fully open operating angle θ of the first lever 107 changes due to variations in parts and the like, and accordingly, the second lever 108 that rotates integrally with the first lever 107.
Therefore, there is a problem that the control amount of the driven wire 117 connected to the control mechanism also changes, and the accuracy of the control mechanism decreases.

For this reason, after the assembly, it is necessary to finely rotate the adjusting screw 111 for the fully-open stopper to re-adjust it, and there is a problem that the assembling operation requires a lot of man-hour and time. Therefore, the present invention provides a control wire connecting device that solves the above-described problem by allowing a predetermined full-opening operation angle to be easily obtained without re-adjustment at the time of assembly even if there is variation in parts. It is intended to do so.

[0011]

According to a first aspect of the present invention, a first lever for connecting a driving wire and a second lever for connecting a driven wire are provided. A first urging means is provided so as to rotate integrally with the shaft and rotates the first lever in a direction opposite to the pulling direction of the driving wire. The first lever has a predetermined interval in a circumferential direction. A pair of stopper surfaces are provided so as to face each other, a stop lever rotatable around the shaft is separately provided, and a stopper piece located between the both stopper surfaces is provided on the stop lever, and the stop lever is provided with the stop lever. A second urging means for urging the lever in the opposite direction to the urging direction is provided so that the stop lever can be fixed to the fixing member after connecting each of the wires or the driving wires. And it is characterized in and.

In the present invention, before the stop lever is fixed to the fixing member, the first lever and the second lever are integrated, and the stopper member is formed by the second urging means so that the stopper piece is one stopper of the first lever. By being pressed against the surface, the first lever and the stop lever are integrated. As a result, the three levers can integrally rotate about the shaft with an operating angle between the first lever and the stop lever.

After the wire end of the driving wire is connected to the first lever, the first lever is rotated until the driving wire stops playing. Regardless of the magnitude of this rotation, the stop lever also follows and rotates in the same direction in the same amount, and the operating angle does not change.

Then, the stop lever is fixed to the fixing member. By this fixing, the assembly is completed with the above-mentioned operation angle. Therefore, even if there is a difference in the strength of the driving wire due to the variation of the parts and the mounting position in the rotation direction of the first lever varies, the operation angle can always be kept constant.

Further, the stop wire may be fixed to the fixing member after the drive wire is connected to the first lever and the driven wire is further connected to the second lever as described above. According to a second aspect of the present invention, in the first aspect,
The second urging means is a coil spring wound around a shaft for rotating the first lever and the second lever, one end of which is connected to a member that rotates integrally with the first lever and the second lever. And the other end is locked to a stop lever.

According to a third aspect of the present invention, in the first aspect, the second biasing means is constituted by a coil spring extending in tension between the stop lever and the second lever. is there.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described based on an embodiment shown in FIGS. 1 to 6 show a first embodiment.

FIG. 1 is a plan view of the apparatus, and FIG. 2 is a side sectional view taken along a shaft portion in FIG. A first bracket 1 of the device is fixed to an engine or a vehicle body through a mounting hole 2. The first bracket 1 is shown in FIG.
As shown in FIG. 5, a second bracket 3 having an L-shaped side section and an inverted concave side section is fixed to the upper portion by welding. The first bracket 1 is provided with a rotation restricting surface 1a as shown in FIG. 1, and the planar shape of the second bracket 3 is as shown in FIG. A collar 4 penetrates between the first bracket 1 and the second bracket 3, and a shaft 6 rotatably passes through the collar 4 via a bearing 5.

One end of the shaft 6 is formed in an oval cross section, and a first lever 7 and a second lever 8 are fitted into the oval surface 6a in a superposed state. It is adapted to rotate integrally with the above. A concave wire guide portion 7a is formed on the outer periphery of the first lever 7 in an arc shape centering on the shaft 6, and
A concave wire guide 8 a is formed on the outer periphery of the lever 8 in an arc shape centering on the shaft 6. A wire end hole 7b is formed at the end of the first lever 7, and the driving wire 9 is fitted into the wire guide portion 7a so that the wire end is locked in the wire end hole 7b by a pin or the like. Has become. A wire end hole 8b is formed at the end of the second lever 8, and the driven wire 10 is fitted into the wire guide portion 8a, and the wire end is locked in the wire end hole 8b by a pin or the like. ing.

[0020] The first lever 7, stopper surface 7c and the stopper surface 7d of the fully-closing for fully open along the radiation around the shaft 6, at an angle plus theta ₂ to the fully open operating angle theta ₁ They are formed facing each other. This stopper surface 7d for fully closing
Is formed by an end face of a plate-shaped protruding piece 7e integrally formed with the first lever 7.

A stop lever 11 is provided between the second bracket 3 and the first lever 7, and the stop lever 11 extends along a semicircle on the outer periphery of the collar 4, as shown in FIG. A semicircular piece 11a, a fastening piece 11b protruding from the piece 11a in the outer peripheral direction, and a fastening piece 11b
, A mounting elongated hole 11c along the circumferential direction of the shaft 6.
A stopper piece 11d formed by bending the fastening piece 11b;
And a hook portion 11e for receiving a spring. Then, the piece 11a is fitted so as to be guided by the large-diameter portion 4a formed on the upper portion of the collar 4, and the fixing screws 12, 13 are inserted into the mounting long holes 11c, and this is inserted into the second bracket. The stop lever 11 is fixed to the second bracket 3 by being tightened into the two screw holes 3 a and 3 b formed in the third bracket 3.

The length of the mounting hole 11c in the longitudinal direction is determined by the two screw holes 3a, 3a formed in the second bracket 3.
b is formed longer than the formation interval of the screw holes 3.
By loosening the fixing screws 12 and 13 screwed to the a and 3b, the stop lever 11 can be rotated by being guided by the large diameter portion 4a of the collar 4.

The stopper lever 11d is bent on the stop lever 11 on the side of the first lever 7 opposite to the fully open stopper surface 7c and on the rotation locus of the fully open stopper surface 7c. Is formed. Further, by forming such a stopper piece 11d, the protruding piece 7e formed on the first lever 7 comes into contact with the inner surface of the stopper piece 11d. The stopper portion 1 for fully closing the protrusion 7e is the inner surface of the stopper piece 11d.
In the state of contact with 1f, a predetermined full-open operation angle θ ₁ is formed between the full-open stopper portion 11g, which is the outer surface of the stopper piece 11d, and the full-open stopper surface 7c of the first lever 7. Note that the above θ ₂ is the stopper piece 11
The thickness becomes d.

A spring as a first biasing means, more specifically, a coil spring 14
One end of the first coil spring 14 is connected to the first coil spring 14 so as to urge the first lever 7 in the fully closed direction (counterclockwise direction in FIG. 1). The other end is locked by a lever 15 fixed to the lower end of the shaft 6.

A spring as a second urging means, more specifically, a coil spring 16 is further wound around the outer periphery of the collar 4.
The stop lever 11 is moved by the projecting piece 7e of the first lever 7
One end of the second coil spring 16 is locked to the hook portion 11e of the stop lever 11 and the other end is fixed to the lower end of the shaft 6 so as to urge in the direction (clockwise direction in FIG. 1). It is locked to. by this,
When the first lever 7 is rotated clockwise in FIG. 1 with the fixing screws 12 and 13 loosened, the stop lever 11 is biased by the second coil spring 16.
Rotates in the same direction in a state of contact with the protruding piece 7e,
When the lever 7 is rotated counterclockwise in FIG. 1, the stop lever 1 is pressed against the urging force of the second coil spring 16.
1 is pushed and rotated in the same direction by the protruding piece 7e. That is, the stop lever 11 rotates integrally with the first lever 7.

The two coil springs 14, 16
Is formed as a double spring and is set to have substantially the same spring force. However, the present invention is not limited to such a double spring, and depending on the application, the first coil spring 14 may be used.
And the spring force of the second coil spring 16 may be used differently. For example, the first coil spring 14
May be increased, and the spring force of the second coil spring 16 may be decreased.

Next, the assembling operation will be described. First, in the assembled state as shown in FIGS. 1 and 2, the first bracket 1 is fixed to the engine or the vehicle body through the mounting hole 2.

At this time, the fixing screws 12 and 13 are in a loosened state, and the biasing force of the first coil spring 14 causes the first lever 7 to rotate counterclockwise in FIG. The lever 15 comes into contact with the rotation regulating surface 1a (the end of the fixing screw 13 and the mounting long hole 11c may come in contact with each other first by design), stops at that position, and the second coil spring 16 Due to the urging force, the fully closed stopper portion 11f, which is the inner surface of the stopper piece 11d formed on the stop lever 11, comes into contact with the protruding piece 7e formed on the first lever 7, and the first lever 7 and the second lever 8 are formed.
The stop lever 11 and the stop lever 11 are integrated.

Next, with the fixing screws 12 and 13 loosened, the integrated first lever 7, second lever 8 and stop lever 11 are rotated in the opening direction as shown by the chain line in FIG. In this state, the wire end of the drive wire 9 having a length adjusted in advance so that there is no play when attached is attached to the wire end hole 7b of the first lever 7. The length of the drive wire 9 is the length of the mounting hole 11c.
Is set within the adjustment range of. If the drive wire 9 is loosened as shown by a chain line in FIG. 5 during this mounting, the first coil spring 14 causes the first lever 7, the second lever 8 and the stop lever 11 in the integrated state to connect the shaft 6 to the shaft. The drive wire 9 is rotated about the center in the fully closed direction (counterclockwise direction in FIG. 5) by the amount of the slack, and the drive wire 9 is stretched without slack. As described above, even if the first lever 7 rotates by the amount of the looseness, the stop lever 11 also rotates following the first lever 7, so that the stopper surface 7 c of the first lever 7 for fully opening and the stopper of the stop lever 11 Piece 11d
Fully open operating angle theta ₁ formed between the stopper portion 11g for fully opened does not change. At this time, even if loosening of the are different due to variations of the components, the full-open operation angle theta ₁ is not constantly changing becomes a predetermined amount.

Next, the stop lever 11 is fixed to the second bracket 3 by the fixing screws 12 and 13. As a result, the stop lever 11 exhibits the original stop function.

Next, as shown in FIG. 6, the wire end of the driven wire 10 is connected to the wire end hole 8b of the second lever 8.
To the first bracket 1 without play.

At this time, even if the driven wire 10 is strongly pulled in the direction of arrow B in FIG. 6 in order to eliminate the play, the first lever 7 integrated with the second lever 8 locked by the wire 10 will not work. Since rotation is prevented by the stop lever 11, play of the driven wire 10 can be reliably eliminated by appropriate wire tension.

The order of fixing the stop lever 11 is as follows. The drive wire 9 is attached to the first lever 7, the driven wire 10 is attached to the second lever 8, and then the stop lever 11 is attached to the fixing screw 12. , 13 second
It may be fixed to the bracket 3.

The operation when the driving wire 9 is applied as an accelerator wire of an internal combustion engine and the driven wire 10 is applied as a torque converter wire for controlling a torque converter will be described.

In the state assembled as described above, FIG.
When the driving wire 9, for example, the accelerator wire is pulled in the opening direction (the direction of arrow A), the first lever 7 and the second lever 8 are pivoted about the shaft 6 in FIG. The driven wire 10, for example, a torque converter wire is pulled in the direction of arrow A by a predetermined amount in proportion to the amount of pulling of the driving wire 9 to control the torque converter.

Further, the driving wire 9 is pulled, and the first lever 7
Is rotated to the set full opening angle (operating angle θ ₁ ),
The fully open stopper surface 7c of the first lever 7 contacts the fully opened stopper portion 11g of the stop lever 11, and stops (restricts) at a predetermined fully open angle position. During the rotation in the opening direction, the protruding piece 7e of the first lever 7 is separated from the stopper piece 11d.

When the driving wire 9 is loosened from the above open state, the first and second coil springs 14, 16 act as back springs, and the first lever 7 and the second lever 8 are both closed in the closing direction by the biasing force. When it is rotated in the counterclockwise direction in FIG. 1 and reaches the fully closed state, the protrusion 7 e of the first lever 7 is moved to the stopper 11 d of the stop lever 11.
The first lever 7 and the second lever 8 stop at a predetermined fully closed position by contacting the fully closed stopper portion 11f.

The opening of the throttle valve may be controlled by using the driven wire 10 as a throttle wire. Further, a plurality of second levers 8 may be provided to connect the throttle wires to each other, and one accelerator wire may be used. A plurality of throttle valve openings may be controlled.

FIGS. 7 and 9 show a second embodiment. Book second
In this embodiment, a third coil spring is provided between the stop lever 11 and the second lever 8 instead of the second coil spring 16 constituting the second urging means in the first embodiment. This constitutes a force means.

FIG. 7 showing the second embodiment is a plan view of the device, and FIG. 8 is a third coil spring 20 shown in FIG.
FIG. 9 is an enlarged sectional view of a portion, and FIG. 9 is a plan view showing a first bracket and a second bracket.

In the second embodiment, the difference from the first embodiment will be described. The other end of the stopper piece 11d is perpendicular to the stopper piece 11d,
A spring locking piece 11h is formed integrally with the second lever 8, and a spring locking piece 8c is formed in the second lever 8.
The third coil spring 20 is stretched between the locking hole 11i and the locking piece 8c in a tensioned state. In this manner, by erection of the third coil spring 20, the spring locking piece 11h, that is, the stop lever 11, is urged clockwise in FIG. Similarly to the second coil spring 16 in the first embodiment, a second urging means for urging the stop lever 11 in a direction opposite to the urging direction of the first lever is provided.

As shown in FIG. 8, the third coil spring 20 is formed by folding a coil portion 20a, hook portions 20b and 20c formed by bending both ends thereof, and a tip of the hook portion 20b at one end thereof. 20d, and a convex portion 20e is formed at the folded portion. Then, the hook portion 20c at one end is hooked on the locking piece 8c, the hook portion 20b at the other end is pulled and pushed into the locking hole 11i and locked, and the projection 20e is connected to the spring locking piece 11h. It is installed on the inner surface.

Since other structures are the same as those of the first embodiment, the same parts as those of the first embodiment are denoted by the same reference numerals and the description thereof will be omitted. In the second embodiment, the third
The spring 20 is similar to the second spring 16 in the first embodiment, and the stopper piece 11 of the stop lever 11 is used.
Since d is urged to abut on the protruding piece 7e of the first lever 7, the same operation and effect as in the first embodiment are exerted.

The third coil spring 20 in the second embodiment is such that the stop lever 11 is fixed to the fixing screws 12 and 13 and assembled, and then removed from the locking hole 11i and the locking piece 8c. .

The pulling force of the third coil spring 20 when the third coil spring 20 is erected is set to be strong, and the projection 20e is strongly locked to the inner surface of the spring locking piece 11h. The third coil spring 20 is prevented from coming off due to vibration during transportation of the device.

[0046]

As described above, claims 1 and 2
According to the inventions described in (3) and (3), the operating angle in the fully open direction does not change even when the mounting position of the first lever is different from the rotation direction due to the variation of parts during assembly, and the predetermined operating angle is always constant. Can be assembled. Therefore, it is not necessary to readjust the stopper at the time of assembling as in the prior art, and the assembling operation can be easily performed without adjustment, so that the man-hour and time can be reduced, and the accuracy of the control mechanism is improved. Therefore, when this device is used for the connection between the accelerator wire and the torque converter wire,
Accurate torque converter control by the accelerator pedal becomes possible, and accurate throttle opening control by the accelerator pedal becomes possible when used for connection between the accelerator wire and the throttle wire.

[Brief description of the drawings]

FIG. 1 is a plan view showing a first embodiment of the present invention.

FIG. 2 is a side sectional view taken along a shaft portion in FIG.

FIG. 3 is a plan view showing a plan shape of a stop lever except for a first lever and a second lever in FIG. 1;

FIG. 4 is a plan view showing only a first bracket and a second bracket in FIG. 1;

FIG. 5 is a plan view showing a state where the driving wires are connected in FIG. 1;

FIG. 6 is a plan view in which a driven wire is further connected from the state of FIG. 5;

FIG. 7 is a plan view showing a second embodiment of the present invention.

FIG. 8 is an enlarged sectional view of a third coil spring section in FIG. 7;

FIG. 9 is a plan view showing a planar shape of a first bracket and a second bracket in FIG. 7;

FIG. 10 is a plan view showing a conventional structure.

FIG. 11 is a side sectional view taken along a shaft part in FIG. 10;

[Explanation of symbols]

1, 3 ... bracket as a fixing member 6 ... shaft 7 ... first lever 7c ... stopper surface for full opening 7e ... protruding piece 8 ... second lever 9 ... driving wire 10 ... driven wire 11 ... stop lever 11d ... stopper piece 11f ... coil spring theta ₁ ... operating angle is the stopper portion 11g ... stopper portion 12, 13 ... fixing screw 14, 16, 20 ... urging means for fully open the fully-closing

Claims (3)

[Claims] A first lever for connecting a driving wire and a second lever for connecting a driven wire are provided so as to rotate integrally about a shaft, and the first lever is opposite to a pulling direction of the driving wire. A first urging means which rotates in the direction, a pair of stopper surfaces facing each other at a predetermined interval in the circumferential direction, and a stop lever which is rotatable around the shaft. The stop lever is provided with a stopper piece located between the two stopper surfaces, and second urging means for urging the stop lever in a direction opposite to the urging direction of the first lever is provided. A control wire connecting device, which can be fixed to a fixing member after connecting each of the wires or the driving wires. 2. The second urging means includes a first lever and a second lever.
A coil spring wound around a shaft for rotating a lever, wherein one end of the coil spring is locked to a member that rotates integrally with the first lever and the second lever, and the other end is locked to a stop lever. The control wire connection device according to claim 1. 3. The control wire connecting device according to claim 1, wherein the second biasing means is constituted by a coil spring which is installed in a tension state between the stop lever and the second lever.