JPH04134164U - motor actuator - Google Patents

Abstract

(57) [Summary] [Purpose] To improve the degree of freedom in mounting the motor actuator and to downsize the air conditioner. [Structure] A motor 5, a motor output section 2 having a worm gear 7 on the rotating shaft 5a of the motor 5, and a speed reduction mechanism section 3 having an output shaft are removably connected so that the circumferential angle can be arbitrarily varied. composition.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is mainly used to control the opening and closing of mode doors, etc. of vehicle air conditioners. The present invention relates to a motor actuator.

0002

[Conventional technology]

Generally, this type of motor actuator includes a motor and a worm gear attached to the motor. It consists of a speed reduction mechanism that meshes with the speed reduction mechanism via a (For example, see Japanese Utility Model Application Publication No. 1-142305).

0003

[Problem that the idea aims to solve]

In today's world where installation space for vehicle air conditioners is becoming narrower, how can we make the equipment more compact? The important issue is how to assemble it.

0004 For example, the connection between the motor actuator and the mode switching door (driven part) is Connected directly or through a link mechanism, regardless of the connection state, the applicable The output shaft of the output part of the motor actuator is fixed in the specified circumferential direction, so the air conditioning case is The circumferential direction of the output shaft is determined when it is installed on the mode switching door. There were restrictions when connecting to the drive shaft.

[0005] Therefore, in view of the above problems, this idea was developed to arbitrarily change the circumferential direction of the output shaft (rotation). ) to improve the degree of freedom in mounting the motor actuator. The purpose of the present invention is to provide a motor actuator designed to enable the following.

[0006]

[Means to solve the problem]

In order to achieve the above purpose, the motor actuator according to this invention is Motor output with a worm gear on the rotating shaft of the motor that protrudes from the motor housed in the base. and a worm wheel that meshes with the worm gear of this motor output section. A reduction mechanism section having a gear and an output shaft, and a position between this reduction mechanism section and the motor output section. The invention is characterized in that it is equipped with a connecting means that connects the position so that the position can be arbitrarily changed in the circumferential direction. This is a sign.

[0007]

[Effect]

Therefore, the direction of the output shaft provided in the reduction mechanism of the motor actuator is Since it can be changed arbitrarily, the matching between the output shaft and the driven part is good, and more This improves the ease of mounting the actuator, thereby solving the above problem.

[0008]

【Example】

Examples of this invention will be described below with reference to the drawings.

[0009] 1 and 2, a motor actuator 1 includes a motor output section 2 and a speed reducer. It basically consists of a structure part 3, and a deceleration mechanism part is included in the motor output part 2 as described below. 3 is detachably fixed.

0010 The motor output unit 2 includes a motor 5 and a control circuit (not shown) housed in a case 4. The opening from which the output shaft 5a of the motor 5 protrudes has a union nut. The formed connecting portion 6 is formed to protrude. Also, on the output shaft 5a of this motor 5, , the worm gear meshing with the worm wheel 10 of the reduction mechanism section 3 described below is fixed. has been established.

[0011] The reduction mechanism section 3 includes a worm wheel 10 that meshes with the worm gear 7, and a worm wheel 10 that meshes with the worm gear 7. A driven gear 11 integrally formed with the worm wheel 10 meshes with the driven gear 11. an output gear 12, and an output shaft 13 fixed to the output gear 12 to which power is transmitted. It basically consists of a case 14 that houses the A circular connecting portion 15 for connecting to the motor output portion 2 is formed protrudingly. An engaging gourd 15a is provided at the tip of the portion 15, and a nut is provided at the connecting portion 15. 20 is rotatably fitted on the outside.

0012 Next, a connection structure between the motor output section 2 and the speed reduction mechanism section 3 will be explained.

[0013] The motor output section 2 and the speed reduction mechanism section 3 are, as shown in FIG. After the nut 20 is placed at a predetermined position in the circumferential direction with respect to the motor output part 2, the nut 20 is inserted into the engagement connection. Insert the connection part 6 of the motor output part 2 into the connection part 15, and then turn the nut 20. Then, it is screwed onto the union nut of the connecting portion 6 for a tightening connection.

[0014] Therefore, this motor actuator 1 has a deceleration mechanism section 3 as shown in FIG. can freely rotate 360 degrees in the circumferential direction with respect to the motor output section 2, and its position can be fixed. I can do that.

[0015] As a result, the circumference of the output shaft 13 of the deceleration mechanism section 3 is increased relative to the mounting surface of the motor output section 2. Since the direction can be arbitrarily varied, the output shaft 13 and the driven There is no control from the mounting surface of the motor output section 2 for connection to the motor output section (for example, mode switching door). Therefore, the ease of mounting the motor actuator 1 is greatly improved. In addition, The circumferential positions of the motor output section 2 and the speed reduction mechanism section 3 are the same when installed in the air conditioner. can also be adjusted.

[0016] Next, the second and third embodiments of the connection structure between the motor output section 2 and the reduction mechanism section 3 will be explained. This will be explained with reference to FIGS. 4 and 5. However, if the configuration is the same as that of the first embodiment above, The same reference numerals will be used to omit the explanation, and only the different points will be described below. explain.

[0017] In the second embodiment shown in FIG. A predetermined number (six in this embodiment) of engaging protrusions 30 are provided at predetermined intervals. The engagement hole 31 into which the engagement protrusion 30 is inserted is inserted into the end face of the case 4 of the motor output section 2. and insert the engagement protrusion 30 of the reduction mechanism section 3 into the engagement hole 31 of the motor output section 2. The melon part 30a is engaged with the inner surface of the engagement hole 31, and the control unit 2 and the output unit are connected. I am trying to connect 3.

[0018] According to this second embodiment, the speed reduction mechanism section 3 is attached to the mounting surface of the motor output section 2. It can be installed by rotating the circumferential angle in 60 degree increments, and its operation and effect are excellent. This is the same as the first embodiment.

[0019] In the third embodiment shown in FIG. The end of the case 4 of the motor output section 2 is attached to the fitting portion 35 formed by enlarging the formed diameter. After fitting, the reduction mechanism section 3 is rotated in an arbitrary circumferential direction, and the circumferential position of the output shaft is fixed. It is welded or bonded in a closed state.

[0020] Also in this third embodiment, the circumferential angle of the reduction mechanism section 3 can be set arbitrarily. , the same effects as in the first embodiment can be obtained.

[0021]

[Effect of the idea]

As mentioned above, according to this invention, the circumferential angle of the output shaft can be varied arbitrarily. Since the output shaft is connected to the driven part connected to it, the motor The motor actuator can be mounted more freely without being restricted by the mounting surface. Ru.

[0022] In addition, the actuator is easy to assemble and the reduction mechanism can be easily removed. Since it is possible, the reduction mechanism part can be replaced as appropriate depending on the required torque. , it has the advantage of being able to provide a versatile actuator.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view of a motor actuator according to a first embodiment of the invention.

FIG. 2 is a partial sectional view of the motor actuator same as above.

[Figure 3] The deceleration mechanism section is 3 mm in the circumferential direction relative to the motor output section.
It is an explanatory diagram when rotated by 60 degrees.

FIG. 4 is an exploded perspective view of a motor actuator according to a second embodiment of the invention.

FIG. 5 is a sectional view of a main part of a motor actuator according to a third embodiment of the invention.

[Explanation of symbols]

1 Motor actuator 2 Motor output section 3 Reduction mechanism section 5 motor 6 Connection part 7 Worm gear 10 Worm wheel 11 Driven gear 12 Output gear 13 Output shaft 15 Connection part 20 nuts 30 Engagement protrusion 31 Engagement hole 35 Fitting part

──────────────────────────────────────────────── ─── Continuation of front page (72) Creator Osamu Yoshioka 39 Higashihara, Chiyo, Konan-machi, Osato-gun, Saitama Prefecture Inside Zexel Co., Ltd. Konan Factory (72) Creator Nobuhiro Furusawa 39 Higashihara, Chiyo, Konan-machi, Osato-gun, Saitama Prefecture Inside Zexel Co., Ltd. Konan Factory (72) Creator Osamu Yoshida 39 Higashihara, Chiyo, Konan-machi, Osato-gun, Saitama Prefecture Inside Zexel Co., Ltd. Konan Factory (72) Creator Yuji Aoki 39 Higashihara, Chiyo, Konan-machi, Osato-gun, Saitama Prefecture Inside Zexel Co., Ltd. Konan Factory

Claims (1)

[Scope of utility model registration request] 1. A motor output section that has a worm gear on the rotating shaft of the motor that protrudes from a motor housed in a case, and a reduction gear mechanism section that has an output shaft and a reduction gear that includes a worm wheel that meshes with the worm gear of the motor output section. A motor actuator characterized by comprising: a connecting means for connecting the speed reduction mechanism section and the motor output section so that the positional relationship between the speed reduction mechanism section and the motor output section can be arbitrarily varied in the circumferential direction.