JP2001346351A - Motor and throttle actuator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a motor which can suppress securely the vibration with a simple structure. SOLUTION: First cut-out parts 15-18 are made to protrude from the rear end 13a of the yoke main part 13 of a throttle motor 10. The throttle motor 10 is attached to an actuator body housing 83 so as to have the respective cut-out parts 15-18 brought into elastic contact with the recess end wall 84c formed in the recess 84 of the actuator body housing 83.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motor, and more particularly to a structure for suppressing vibration of a motor used for a throttle actuator mounted on an engine.

[0002]

2. Description of the Related Art Generally, in order to properly control the combustion state in a combustion chamber of an engine, it is necessary to control and adjust the amount of air taken into the combustion chamber of the engine. Throttle actuators are well known for controlling and adjusting the amount of air drawn into the combustion chamber of the engine. FIG. 11 is a sectional view of a main part of a throttle actuator 80 mounted on the engine. As shown in FIG. 11, the throttle actuator 80 includes a throttle valve 81 provided at an upstream portion of an intake passage 92 of an engine combustion chamber, and a throttle motor 82 for adjusting and driving the opening of the throttle valve 81. ing.

More specifically, as shown in FIG. 11, a throttle motor 82 includes a yoke 82a containing an armature.
And an armature rotating shaft 82b. Yoke 82
a is a yoke main body 82c formed to have a two-sided width, and an end 8 of the yoke main body 82c on the opposite side of the rotation shaft 82b.
And a yoke protrusion 82e formed to protrude from 2d. The yoke main body 82c includes a pair of parallel portions 82f and a pair of arc portions 82g.

[0004] The throttle motor 82 is provided as shown in FIG.
As shown in FIG. 1, the flange portion 82h of the yoke main body portion 82c on the rotation shaft 82b side is fixed to the actuator main body housing 83 by fixing means (not shown).
Recess 8 provided in actuator body housing 83
4.

The rotation shaft 82 of the throttle motor 82
A pinion 85 constituting a power transmission member is fixed to b. The pinion 85 is meshed with an intermediate gear 86 constituting a power transmission member. In the intermediate gear 86,
A gear 87 constituting a power transmission member is meshed. The gear 87 is fixed to a rotation shaft 88 constituting a power transmission member. A throttle valve 81 is fixed to the rotating shaft 88.

[0006] A base end of a coupling spring 89 constituting a power transmission member comprising an annular coil spring is fixed to the gear 87. The distal end of the coupling spring 89 is integrally fixed to an intermediate lever 90 constituting a power transmission member. A base end of a return spring 91 formed of an annular coil spring is fixed to the intermediate lever 90. The end of the return spring 91 is fixed to the actuator body housing 83.

The throttle actuator 80,
That is, the drive of the throttle motor 82 is controlled based on the amount of depression of an accelerator pedal provided in the interior of the vehicle. That is, when the driver of the automobile depresses the accelerator pedal, the depression amount of the accelerator pedal is detected by the accelerator position sensor, and the drive of the throttle motor 82 is controlled based on the detection signal of the sensor.

In the initial state in which the throttle motor 82 is not supplied with power, the throttle valve 81
Is positioned by the return spring 91 so as to almost completely block the intake passage 92 of the engine combustion chamber. That is, the throttle valve 81 is always closed when the throttle motor 82 is turned off.

When the power of the throttle motor 82 is supplied and the rotating shaft 82b rotates, the rotation is transmitted to the rotating shaft 88 via the pinion 85, the intermediate gear 86 and the gear 87. When the rotation shaft 88 rotates, the opening of the throttle valve 81 is controlled and adjusted by the rotation angle of the rotation shaft 88.

On the other hand, when the gear 87 rotates, the coupling spring 89 and the intermediate lever 90 move the return spring 9
Coupling spring 8 with torsional elasticity (load) greater than 1
9, the return spring 91 is configured to be twisted between the intermediate lever 90 and the housing 83. That is, the throttle valve 81 is always returned to the closed state by the torsion generated in the return spring 91.

When the motor 82 or the like malfunctions, the throttle valve 81 needs to cut off the power supply to the motor 82 and be kept closed by the torsional force of the return spring 91. For this purpose, the motor 82
Needs to be smaller than the return force due to the torsion of the return spring 91.

However, in order to protect the motor 82 from vibrations of the engine or the like, a bearing (not shown) and a rotating shaft 8 are provided.
It is necessary to reduce the clearance with the rotor 2b or to increase the axial preload of the rotor (not shown).
The idling loss of the motor 82 increases, and as a result, the torsional return force of the return spring 91 needs to be large, which has been a bottleneck in downsizing the throttle actuator 80.

Thereafter, when the throttle motor 82 is switched from the power supply state to the power supply cutoff state, the rotational force of the rotating shaft 82b, that is, the gear 87, disappears. Then
The intermediate lever 90 is turned in the opposite direction by the counter-twisting force of the return spring 91. The rotation of the intermediate lever 90 in the opposite direction twists the coupling spring 89 in the opposite direction, and the torsional force is transmitted to the rotation shaft 82b via the gear 87, the intermediate gear 86, and the pinion 85. Then, the rotating shaft 82b, the gear 87, the intermediate gear 86, the pinion 85, and the rotating shaft 88 are rotated in opposite directions by the action of the torsional force. When the torsional force becomes zero, the return spring 91 returns to the initial position, and the throttle valve 81 returns to the initial closed state.

When the throttle motor 82 vibrates due to the vibration of the engine or the like, the throttle motor 82 may run idle under the action of an external vibration force against the elastic force of the coupling spring 89 and the return spring 91. Was. The idling of the throttle motor 82 includes the inconvenience of opening and closing the throttle valve 81 without permission. Conventionally, in order to prevent idling of the throttle motor 82 due to vibration, the throttle motor 82
Vibration was suppressed.

As an example of suppressing the vibration of the throttle motor 82, conventionally, as shown in FIG. 11, a gap is provided between a yoke projection 82e of the throttle motor 82 and a concave portion 84 of the actuator body housing 83. A resin collar 93 is interposed. That is, the resin color 9
3, vibration of the throttle motor 82 is suppressed.

As another example, as shown in FIG. 12, for example, the vibration of the throttle motor 82 is suppressed via a wave washer 94 having an elastic force. Further, although not shown, the vibration of the throttle motor 82 is suppressed via a vibration-proof member such as a vibration-proof rubber or a spring.

[0017]

In any of the above-described methods for suppressing the vibration of the throttle motor 82, the throttle motor 82 (ie, the yoke 82) is used.
It is necessary to interpose an anti-vibration member between a) and the concave portion 84 of the actuator body housing 83. This has a problem that the number of parts of the throttle actuator 80 increases. Further, in the related art, since the accuracy of the interposition of the recess 84, the throttle motor 82, and the vibration isolating member, which is greatly affected by the manufacturing accuracy of the vibration isolating member, is low, the effect of suppressing vibration of the throttle motor 82 by the vibration isolating member is reduced. It was small.

When the vibration of the throttle motor 82 is suppressed via the wave washer 94, the throttle motor 82 is disposed in the recess 84 as shown in FIG. That is, as shown in FIG. 12, the concave portion 84 includes a large-diameter concave portion 84a and a small-diameter concave portion 84b. The wave washer 94 fitted to the yoke projection 82e of the throttle motor 82 is configured to resiliently abut against a concave end wall portion 84c between the large-diameter concave portion 84a and the small-diameter concave portion 84b. At this time, vibration of the throttle motor 82 is suppressed by the resilient force of the wave washer 94 and the frictional force between the wave washer 94 and the concave end wall 84c. In addition, the inner diameter of the ring-shaped wave washer 94 is substantially the same as the outer diameter of the yoke protrusion 82e, as shown in FIG.

However, conventionally, an R portion is formed at the base of the yoke protrusion 82e, as shown in FIG. Therefore, the wave washer 94 cannot be fitted to the yoke protrusion 82e until it contacts the end 82d of the yoke main body 82c.
Then, the wave washer 94 is moved to the yoke protrusion 82e.
When mounted together with the throttle motor 82 while being resiliently abutted against the concave end wall portion 84c while being able to ride on the R portion at the root portion of the base member, as shown in FIG. This causes a problem that the attachment of the wave washer 94 is deteriorated, while the effect of the wave washer 94 on suppressing vibration of the throttle motor 82 is reduced.

As a countermeasure, the throttle motor 82,
Although it is conceivable to improve the manufacturing accuracy of the vibration isolating member and the concave portion 84 and to make the inner diameter of the wave washer 94 larger than the outer diameter of the yoke protrusion 82e, the cost and size of the throttle actuator 80 are also increased. There was a connected problem.

The present invention has been made in view of such circumstances, and a first object of the present invention is to provide a motor capable of reliably suppressing vibration with a simple structure.

A second object is to provide a throttle actuator capable of reducing cost and size.

[0023]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the invention according to claim 1 comprises a yoke which accommodates an armature and is attached to an external attachment member. The gist is that a plurality of first cut-and-raised portions and / or a plurality of second cut-and-raised portions are formed on the side surface portion.

According to a second aspect of the present invention, in a motor in which a yoke for accommodating an armature is mounted in a recess of an external mounting member, a plurality of first cut-and-raised portions are provided at a rear end of the yoke. The first cut-and-raised portion is mounted in the concave portion of the external mounting member so as to resiliently contact the concave end wall portion provided in the concave portion of the external mounting member and facing the rear end portion. That is the gist.

According to a third aspect of the present invention, in the motor according to the second aspect, a plurality of second cut-and-raised portions are provided on a side surface of the yoke, and the second cut-and-raised portions are connected to the yoke. The gist of the present invention is that it is mounted in the recess so as to resiliently contact the side wall of the recess facing the side face of the recess.

According to a fourth aspect of the present invention, in the motor in which a yoke for accommodating the armature is mounted in a recess of the external mounting member, a rear end of the yoke and the external mounting member facing the rear end. An elastic vibration isolating member is resiliently interposed between the first and second concave end walls, and a plurality of second cut-and-raised portions are provided on the side surface of the yoke. The gist is that the portion is mounted in the concave portion so as to resiliently contact the side wall portion of the concave portion facing the side surface portion of the yoke.

[0027] The invention according to claim 5 is the invention according to claims 1 to 4.
A motor, a power transmission member for transmitting a rotational force of a rotating shaft of the motor, a throttle bubble that opens and closes with the rotation of the power transmitting member, and a rotational force of the rotating shaft of the motor. And a return spring for always returning the throttle bubble to the initial position when not being operated.

(Operation) According to the first aspect of the present invention,
If the motor is mounted on the external mounting member such that each of the first cut-and-raised portions and / or each of the second cut-and-raised portions is resiliently abutted against the external mounting member, the vibration of the motor is reduced by the repressed first first It is suppressed by the elastic force of the cut-and-raised portion and / or each second cut-and-raised portion. As a result, vibration of the motor can be reliably suppressed with a simple structure.

According to the second aspect of the present invention, the vibration of the motor is suppressed by the elastic force of each of the first cut-and-raised portions which elastically presses the concave end wall of the external mounting member. as a result,
The vibration of the motor can be reliably suppressed with a simple structure.

According to the invention described in claim 3, according to claim 2
In addition to the effects of the invention described in (1), the vibration of the motor is further suppressed by the elastic force of each of the second cut-and-raised portions provided on the side surface of the yoke and elastically pressing the concave end wall. That is, the effect of suppressing vibration in the radial direction of the motor can be further improved.

According to the fourth aspect of the present invention, the elastic vibration isolator does not ride on the vehicle as compared with the prior art.
As a result, the assemblability of the elastic vibration isolator can be improved, and the axial vibration of the motor can be reliably suppressed by the elastic force of the elastic vibration isolator. Also,
Each second is provided on the side surface of the yoke and presses against the concave end wall.
The radial pressure of the motor can be reliably suppressed by the elastic pressure of the cut-and-raised portion.

According to the invention of claim 5, according to claim 1,
In addition to the effects of the inventions described in (1) to (4), it is not necessary to increase the manufacturing accuracy of the yoke or the like of the motor, so that the cost of the throttle actuator can be reduced.

Further, since the effect of suppressing vibration of the motor is improved, idling of the motor due to vibration can be prevented. Therefore, the elastic force (load) of the return spring can be reduced. As a result, the cost and size of the throttle actuator can be reduced.

[0034]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a throttle actuator of an engine and a motor used for the throttle actuator will be described below with reference to the drawings. The throttle actuator of the present embodiment is substantially the same in structure as the throttle actuator described in the related art. Therefore, a detailed description of the structure of the throttle actuator is omitted, and the same reference numeral is used. The throttle motor having a different structure will be described in detail.

FIG. 1 is a sectional view of a main part of a throttle actuator according to this embodiment. FIG. 2 is a perspective view of a main part of a throttle motor as a motor according to the present embodiment. FIG. 3 is a side view as viewed from the side opposite to the rotation axis of the throttle motor.

As shown in FIG. 1, a throttle motor 10 as a motor according to the present embodiment includes a yoke 11 accommodating an armature, and a rotating shaft 12 of the armature projects from an open end of the yoke 11. It has become.

The yoke 11 is formed so as to protrude from a rear end 13a of the yoke main body 13 on the side opposite to the opening end from which the rotary shaft 12 protrudes. And a projection 14. The yoke body 13 includes a pair of flat side surfaces 13b.
And a pair of arc-shaped side portions 13c.

As shown in FIGS. 2 and 3, a plurality of (four in this embodiment) first raised portions 15 to 18 are protruded from the rear end portion 13a of the yoke main body portion 13. ing. The first cut-and-raised portions 15 to 18 are formed on the same circumference so as to surround the yoke protrusion 14.
The tip of each of the first cut-and-raised portions 15 to 18 is directed to the flat plate-shaped side portion 13b. First
The cut-and-raised portion 15 and the first cut-and-raised portion 17 are formed at positions symmetrical with respect to the yoke protrusion 14, and
The cut-and-raised portion 16 and the first cut-and-raised portion 18 are formed at symmetrical positions with respect to the yoke protrusion 14.

As shown in FIG. 1, each of the first cut and raised portions 15 to 18 is resiliently provided in a concave end wall portion 84c provided in the concave portion 84 of the actuator main body housing 83 and opposed to the rear end portion 13a. The flange 8 d of the yoke main body 13 is brought into contact with the recess 8 by fixing means (not shown).
4 to the open end. Then, the throttle motor 1
0 is attached so as to be disposed in the concave portion 84 of the actuator body housing 83.

According to the throttle motor 10 and the throttle actuator 80 of the present embodiment, the following features can be obtained. (1) In the present embodiment, the rear end 13 of the yoke main body 13
First cut-and-raised portions 15 to 18 are protruded from a. The throttle motor 10 is attached to the actuator main body housing 83 so that the first cut-and-raised portions 15 to 18 resiliently contact the concave end wall portions 84c.

Therefore, the vibration of the throttle motor 10 is suppressed by the elastic pressure of each of the first cut-and-raised portions 15 to 18 which elastically presses the concave end wall portion 84c. As a result, the vibration of the throttle motor 10 can be reliably suppressed with a simple structure. In particular, in the case of the present embodiment, since the first cut-and-raised portions 15 to 18 are formed toward the inner circumferential direction, circumferential vibration is suppressed.

Further, as compared with the prior art, the vibration isolating member is omitted, and it is not necessary to increase the manufacturing accuracy of the yoke 11 of the throttle motor 10 and the concave portion 84 of the actuator body housing 83. The number of parts and cost can be reduced.

Further, since the effect of suppressing the vibration of the throttle motor 10 is improved, the motor 10 can be prevented from idling due to the vibration. Therefore, the elastic force (load) of the return spring 91 can be reduced. As a result, the cost and size of the throttle actuator 80 can be reduced.

The present embodiment may be modified as follows. The first cut-and-raised portions 15 to 18 may be provided and implemented as shown in FIG. That is, in FIG. 4, the first cut-and-raised portions 15 and 17 are formed at symmetrical positions with respect to the yoke protrusion 14 such that their tips face the arc-shaped side surfaces 13c of the yoke main body 13, respectively. Have been. The first cut-and-raised portions 16 and 18 are formed symmetrically with respect to the yoke protrusion 14 such that their tips face the flat plate-like side surfaces 13b of the yoke main body 13, respectively. In this case, in addition to the effects described in the features of the above embodiment, both the circumferential vibration and the radial vibration are suppressed.

The first cut and raised portions 15 to 18 are
It may be provided as shown in FIG. That is, in FIG. 5, the first cut-and-raised portions 15 and 17 are formed at symmetrical positions with respect to the yoke protruding portion 14 such that their tips face the arc-shaped side surfaces 13 c of the yoke main body 13, respectively. Have been. The first cut-and-raised portions 16, 18 are formed such that their ends have arc-shaped side surfaces 13 of the yoke main body 13.
c are formed at symmetrical positions with respect to the yoke projecting portion 14 so as to face respectively. Moreover, the first cut-and-raised portions 15 to 18 are formed so as to extend in the radial direction of the yoke projecting portion 14 (that is, in the radial direction of the yoke 11 perpendicular to the axial direction of the rotating shaft 12). In this case, in addition to the effects described in the features of the above embodiment, the effect of suppressing vibration in the radial direction of the throttle motor 10 can be improved.

In the above embodiment, the four first cut-and-raised portions 15 to 1 are provided at the rear end 13 a of the yoke main body 13.
8, the first yoke body 13 is provided with two first cut-and-raised portions 19, 20 at the rear end portion 13a thereof, as shown in FIG. Good. At this time, the first cut-and-raised portions 19 and 20 are
4 are formed at symmetrical positions with respect to the yoke protrusion 14 so that the ends thereof respectively face the arc-shaped side portions 13c. 6 and 7
As shown in the figure, second cut-and-raised portions 21 to 24 are provided on the both side portions 13b and 13c, and the second cut-and-raised portions 21 to 24 are formed in the concave portions 84 facing the side portions 13b and 13c. You may implement so that it may contact a side wall part resiliently. In this case, in addition to the effects described in the features of the above-described embodiment, the vibration of the throttle motor 10 is generated by the second cut-and-raised portions 21 to 2 that press against the concave end wall portion 84c.
The elastic pressure of 4 further suppresses this. That is, the effect of suppressing vibration in the radial direction of the throttle motor 10 can be further improved.

As shown in FIG. 8, the first cut-and-raised portions 19 and 20 are formed into flat plate-like side portions 13 at the tips.
Alternatively, they may be formed at positions symmetrical with respect to the yoke protrusion 14 so as to face the respective b. Further, as shown in FIG. 8 and FIG.
The cut-and-raised portions 21 and 23 may be provided so that the second cut-and-raised portions 21 and 23 are resiliently abutted against the side wall portion of the concave portion 84 facing the side surface portion 13c. in this case,
Almost the same effects as in the above alternative example can be obtained.

○ Further, the present invention may be implemented as shown in FIG. More specifically, as shown in FIG. 10, the yoke protrusion 14 at the rear end 13a of the yoke main body 13 is provided.
A ring-shaped concave portion 13e is formed at the base of. Further, both side portions 13b and 13b of the yoke main body 13 are provided.
The second cut-and-raised portions 21 to 24 are provided in c. Then, a wave washer 30 as an elastic vibration isolator having the same inner diameter as the outer diameter of the yoke projection 14 is fitted to the yoke projection 14 until it comes into contact with the rear end 13a. The wave washer 30 fitted to the yoke protrusion 14 is resiliently abutted against the concave end wall portion 84c while resisting the elastic force of the wave washer 30, and the second cut-and-raised portions 21 to 24 are fixed to the The side wall portion of the concave portion 84 opposing the side surface portions 13b and 13c of the yoke main body 13 is resiliently contacted. In this case, the wave washer 30 does not run over the R portion at the base of the yoke protrusion 14 because there is no R at the base of the yoke protrusion 14 compared to the prior art. As a result, the assemblability of the wave washer 30 can be improved, and the axial vibration of the throttle motor 10 can be reliably suppressed by the elastic pressure of the wave washer 30. Further, the radial pressure of the second cut-and-raised portions 21 to 24 can reliably suppress the radial vibration of the throttle motor 10. The wave washer 30 may be replaced by a disc spring as an elastic vibration isolator.

In the above embodiment, the yoke body 13 of the yoke 11 is formed to have a two-sided width.
The first yoke main body 13 may be formed in a cylindrical shape. In this case, effects similar to the effects described in the features of the above embodiment can be obtained.

In the above embodiment, the present invention is embodied in the throttle motor 10 used in the throttle actuator 80. However, the present invention is embodied in a motor used in an actuator other than the throttle actuator 80. Is also good. In this case, effects similar to the effects described in the features of the above embodiment can be obtained.

[0051]

As described in detail above, according to the first and second aspects of the present invention, the vibration of the motor can be reliably suppressed with a simple structure.

According to the invention described in claim 3, according to claim 2
In addition to the effects of the invention described in (1), the effect of suppressing vibration in the radial direction of the motor can be further improved. Claim 4
According to the invention described in (1), the assemblability of the elastic vibration isolating member can be improved, and the axial and radial vibrations of the motor can be reliably suppressed.

According to the invention described in claim 5, claim 1 is provided.
In addition to the effects of the inventions described in (1) to (4), the cost and size of the throttle actuator can be reduced.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part of a throttle actuator according to an embodiment.

FIG. 2 is a perspective view of a main part of a throttle motor according to the embodiment.

FIG. 3 is a side view of the throttle motor viewed from a side opposite to a rotation axis of the throttle motor.

FIG. 4 is a side view of the throttle motor of another example viewed from the side opposite to the rotation axis.

FIG. 5 is a side view of the throttle motor of another example viewed from the side opposite to the rotation axis.

FIG. 6 is a side view of the throttle motor of another example viewed from the side opposite to the rotation axis.

FIG. 7 is a sectional view of a main part of another example of a throttle actuator.

FIG. 8 is a side view of the throttle motor of another example viewed from the side opposite to the rotation axis.

FIG. 9 is a sectional view of a main part of another example of a throttle actuator.

FIG. 10 is a sectional view of a principal part of another example of a throttle actuator.

FIG. 11 is a sectional view of a main part of a conventional throttle actuator.

FIG. 12 is a sectional view of a main part of a conventional throttle actuator.

FIG. 13 is a cross-sectional view of a main part for explaining fitting of a conventional throttle motor and a vibration isolating member.

[Explanation of symbols]

Reference numeral 10: throttle motor as a motor, 11: yoke, 12: rotary shaft, 13a: rear end, 13b, 13c ...
Side portions, 15 to 18, 19, 20: first cut-and-raised portion, 21 to 24: second cut-and-raised portion, 30: wave washer as an elastic vibration isolator, 80: throttle actuator, 81: throttle bubble, 83: Actuator main body housing as an external mounting member, 84: concave portion, 84c: concave end wall portion, 85: pinion constituting a power transmitting member, 86 ... intermediate gear constituting a power transmitting member,
87: a gear forming a power transmitting member; 88: a rotating shaft forming a power transmitting member; 89: a coupling spring forming a power transmitting member; 90: an intermediate lever forming a power transmitting member; 91: a return spring.

Continued on front page F term (reference) 3G065 CA00 CA23 DA04 GA46 HA21 KA16 5H605 AA04 BB05 CC01 CC02 CC05 CC08 DD03 DD09 EA09 GG05 5H607 AA04 BB01 CC01 CC05 DD03 DD08 DD17 EE31 EE36 FF01 JJ08

Claims (5)

[Claims] 1. A yoke (11) for accommodating an armature and attached to an external mounting member (83).
1) The rear end (13a) and / or the side (13b, 1)
3c) includes a plurality of first cut-and-raised portions (15-18,
19, 20) and / or a plurality of second cut-and-raised portions (2
1 to 24). 2. A motor in which a yoke (11) for accommodating an armature is mounted in a concave portion (84) of an external mounting member (83), wherein a plurality of rear ends (13a) of the yoke (11) are provided. First
The first cut-and-raised portion (15-18, 19, 20) is provided with a cut-and-raised portion (15-18, 19, 20).
A concave end wall portion (84c) provided in the concave portion (84) of the external mounting member (83) and facing the rear end portion (13a).
The motor is mounted in the recess (84) of the external mounting member (83) so as to resiliently contact the motor. 3. The motor according to claim 2, wherein side surfaces (13b, 13c) of the yoke (11) are
A plurality of second cut-and-raised portions (21 to 24) are provided, and the second cut-and-raised portions (21 to 24) are attached to the yoke (1).
1) The concave portion (8) so as to resiliently contact the side wall portion of the concave portion (84) facing the side surface portion (13b, 13c).
4) A motor mounted inside. 4. A motor in which a yoke (11) for accommodating an armature is mounted in a recess (84) of an external mounting member (83), wherein a rear end (13a) of the yoke (11) and the rear end are provided. Department (1
An elastic vibration isolating member (30) is elastically interposed between the external mounting member (83) and the concave end wall (84c) facing the outer mounting member (3a), and the side surface of the yoke (11). (13b, 13c) are provided with a plurality of second cut-and-raised portions (21 to 24), and the second cut-and-raised portions (21 to 24) are attached to the side portions (13) of the yoke (11).
A motor mounted in the recess (84) so as to resiliently contact a side wall of the recess (84) facing the recess (84). 5. A motor (10) according to any one of claims 1 to 4, a power transmission member (85 to 90) for transmitting a rotational force of a rotating shaft (12) of the motor (10), The throttle bubble (81) that opens and closes with the rotation of the power transmission member (85-90) and the throttle bubble (81) that is not acted on by the rotational force of the rotating shaft (12) of the motor (10) are always initialized. A throttle actuator, comprising: a return spring (91) for returning to a position.