WO2000019582A1 - Dispositif support de moteur - Google Patents
Dispositif support de moteur Download PDFInfo
- Publication number
- WO2000019582A1 WO2000019582A1 PCT/JP1998/004385 JP9804385W WO0019582A1 WO 2000019582 A1 WO2000019582 A1 WO 2000019582A1 JP 9804385 W JP9804385 W JP 9804385W WO 0019582 A1 WO0019582 A1 WO 0019582A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- motor
- gear
- cover
- support device
- section
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Definitions
- the present invention relates to a motor supporting device which accommodates a motor and a driving gear used in a disk reproducing apparatus and can reduce noise of the gear by a simple structure.
- a motor used in a disc reproducing apparatus is often housed in a motor base and fixed with screws to a chassis or the like.
- a so-called gear box provided with a gear for transmitting the driving force of the motor is also used adjacent to the motor base.
- a motor support device that integrates a motor base and a gear box is also provided.
- a motor support device applied to a pickup drive mechanism of a disk device will be described.
- FIG. 10 is a plan view showing an example in which a conventional motor support device is applied to a pick-up drive mechanism, in which 31 is a base, 32 is a spindle motor for rotating an optical disc (not shown), and 33 is a pickup.
- 3 4 Is a pickup drive mechanism for positioning the pickup 33, which operates by transmitting a driving force from a gear 38 described later.
- Reference numeral 35 denotes a threaded motor that serves as a drive source of the pick-up drive mechanism 34, and its drive shaft is provided with a gear (not shown).
- Reference numeral 36 denotes a motor for holding a thread motor 35, and a gear 37 is rotatably provided.
- the motor base 36 exposes and holds most of the outer surface of the thread motor 35.
- Reference numeral 38 denotes a gear for transmitting the driving force from the gear 37 to the pick-up drive mechanism 34
- reference numeral 39 denotes a member for pressing the support shaft of the gear 38, which is fixed to the motor 36.
- 40 is a screw for fixing the motor base 36 to the base 31.
- a cover member is separately provided on the motor base 36 or the thread motor 35 is driven. It is necessary to separately provide a member for applying a predetermined pressing force to the shaft and the support shaft of the gear 37. Was.
- the present invention has been made to solve the above problems, and has as its object to obtain a motor and support device capable of reducing the number of parts and improving assembling workability and easily reducing gear noise. I do. Disclosure of the invention
- the present invention includes a motor storage section and a gear holding section, and a part of a cover that covers the gear holding section in a plane is provided integrally with the motor storage section. This configuration has the effect of reducing gear noise.
- the cover portion is provided so as to be freely bendable with respect to the motor housing portion, and further includes a side pressure portion that comes into contact with an end portion of a gear mounted on the motor drive shaft.
- an engaging portion for fixing a cover portion to a motor housing portion in a state where a side pressure portion is in contact with an end portion of a gear mounted on a motor drive shaft is provided. It is provided in at least one of the parts.
- an engaging portion for connecting the end of the support shaft formed on the gear holding portion and the cover portion is provided on at least one of the end of the support shaft and a part of the cover.
- FIG. 1 is a plan view showing a module supporting device according to Embodiment 1 of the present invention.
- FIG. 2 is a side view showing the motor support device.
- FIG. 3 is a perspective view showing a locking piece for fixing the cover and a locking claw.
- FIG. 4 is a perspective view showing a locking piece and a locking claw for fixing the case.
- FIG. 5 is a cross-sectional view corresponding to the AA cross-section in FIG. 1 in a state where the mobile base is used.
- FIG. 6 is a front view in a usage state of the mobile base.
- FIG. 7 is a cross-sectional view corresponding to the BB cross section of FIG. 1 in a state where the motor base is used.
- FIG. 8 is a plan view showing an example in which a motor base is applied to a pickup driving mechanism.
- FIG. 9 is a rear view of FIG.
- FIG. 10 is a plan view showing an example in which a conventional motor support device is applied to a pick-up drive mechanism.
- FIG. 1 is a plan view showing a motor support device according to Embodiment 1 of the present invention
- FIG. 2 is a side view showing a motor support device
- FIG. 3 is a perspective view showing a lock piece and a lock claw for fixing a cover.
- Fig. 4 is a perspective view showing the locking piece and the locking claw for fixing the case
- Fig. 5 is a cross-sectional view corresponding to the A-A cross section in Fig. 1 when the motor base is used
- Fig. 6 is FIG. 7 is a front view of the motor base in use
- FIG. 7 is a cross-sectional view corresponding to the cross section BB of FIG. 1 in use of the motor base
- FIG. 8 is an example in which the motor base is applied to a pick-up drive mechanism.
- FIG. 9 is a rear view of FIG.
- 1 is a base
- 2 is a spindle motor for rotating an optical disc (not shown)
- 3 is a pickup
- 4 is a pick-up drive mechanism for positioning the pickup 3
- a driving force is transmitted from a gear 8 described later. It operates by transmitting the information.
- Reference numeral 5 denotes a thread motor (motor) serving as a drive source of the pick-up drive mechanism 4, and the drive shaft thereof is provided with a press-fitted gear 6.
- Reference numeral 7 denotes a motor base (a motor support device) for storing and holding the threaded motor 5; a motor housing 8 for holding the threaded motor 5; A gear holding portion 9 that rotatably holds 13 and 14 and a cover portion 10 that is provided in the motor storage portion 8 and covers the gear holding portion 9 in a planar manner and applies a lateral pressure to the gear 6.
- the motor base 7 can be manufactured as a resin molded product using a resin such as polyacetal as a raw material.
- Reference numerals 11 and 12 denote support shafts protruding horizontally from the motor storage section 8, which are rotatably held by gears 13 and 14 being fitted through.
- the gears 13 and 14 transmit the driving force of the gear 6 to the gear 15, and the gear 15 transmits the driving force to the pickup drive mechanism 4.
- Reference numeral 16 denotes a bent portion formed in a thin shape at the base portion of the cover portion 10, and is for making the cover portion 10 bendable with respect to the motor storage portion 8.
- Reference numeral 17 denotes a lateral pressure portion projecting from the front end of the gear 6 so as to be able to contact the front end of the gear 6. The predetermined pressure is applied to the front end to reduce the vibration of the gear 6.
- Reference numeral 18 denotes a bearing portion (engaging portion) in which the support shaft 11 is recessed so as to be engageable. The bearing portion 18 reduces vibration of the support shaft 11 to reduce noise of the gear 13.
- Reference numeral 19 denotes a cover fixing locking piece (engaging portion) protruding from the cover portion 10, and has a locking claw (engaging portion) 19a at the tip thereof. This cover When the cover 10 is bent, the locking tabs 19 are engaged with the locking claws 19 a in the locking grooves (engaging portions) 20, so that the cover 10 can be partially removed. It is for fixing to the storage part 8.
- Reference numeral 21 denotes a locking claw for locking the threading device 5
- 22 denotes a case fixing locking piece protruding from the module storage portion 8, and a locking claw 2 2 a at a tip end thereof. It has.
- the case fixing locking piece 2 2 is used to fix the motor base 7 to the base 1 by engaging the locking claw 2 2 a with the engaging hole provided in the base 1.
- belongs to. 23 is a circuit board.
- a predetermined pressure is applied to the distal end of the gear 6 by the side pressure portion 17, so that the vibration of the gear 6 can be reduced, and the generation of noise can be reduced.
- the gear 13 rotates with respect to the support shaft 11, but the tip of the support shaft 11 engages with the bearing portion 18 of the cover 10. Therefore, the vibration of the support shaft 11 can be reduced, and the generation of noise can be reduced.
- the cover 10 is provided integrally with the module storage section 8 so as to be bent freely, and the closed state of the cover 10 is easily maintained.
- the side pressure section 17 and the bearing section 18 are provided in the cover section 10 so that the number of parts can be easily reduced. With the simple configuration, the effect of reducing the noise of the gears 6 and 13 can be obtained.
- the present invention has been described as applied to a pickup drive mechanism of a disk drive.However, the present invention is not limited to this, and it is necessary to provide a motor and a drive gear to reduce gear noise. It can be applied to various small electronic devices, and similar effects can be expected. Industrial applicability
- the motor support device includes a motor and a drive gear, and is suitable for various small electronic devices that require gear noise reduction.
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69839813T DE69839813D1 (de) | 1998-09-29 | 1998-09-29 | Stützvorrichtung einer motor |
PCT/JP1998/004385 WO2000019582A1 (fr) | 1998-09-29 | 1998-09-29 | Dispositif support de moteur |
JP2000572979A JP3776316B2 (ja) | 1998-09-29 | 1998-09-29 | モータ支持装置 |
EP98944309A EP1035632B1 (en) | 1998-09-29 | 1998-09-29 | Motor supporting device |
AU91881/98A AU9188198A (en) | 1998-09-29 | 1998-09-29 | Motor supporting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1998/004385 WO2000019582A1 (fr) | 1998-09-29 | 1998-09-29 | Dispositif support de moteur |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000019582A1 true WO2000019582A1 (fr) | 2000-04-06 |
Family
ID=14209099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1998/004385 WO2000019582A1 (fr) | 1998-09-29 | 1998-09-29 | Dispositif support de moteur |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1035632B1 (ja) |
JP (1) | JP3776316B2 (ja) |
AU (1) | AU9188198A (ja) |
DE (1) | DE69839813D1 (ja) |
WO (1) | WO2000019582A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003009460A (ja) | 2001-06-15 | 2003-01-10 | Pioneer Electronic Corp | 駆動モータの出力軸の付勢構造 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08140306A (ja) * | 1994-11-11 | 1996-05-31 | Tokyo Parts Ind Co Ltd | ギヤードアクチュエーター |
JPH09308188A (ja) * | 1996-05-10 | 1997-11-28 | Tokyo Parts Ind Co Ltd | ギヤードアクチュエータ |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3622822A (en) * | 1970-03-04 | 1971-11-23 | Philips Corp | Enclosure for electric motor |
JPS57172083A (en) * | 1981-04-15 | 1982-10-22 | Nissan Motor | Door lock manipulating apparatus |
JPS58190248A (ja) * | 1983-01-14 | 1983-11-07 | Tamura Electric Works Ltd | モ−タタイマ |
JP3406413B2 (ja) * | 1995-02-24 | 2003-05-12 | 東京パーツ工業株式会社 | ギヤードアクチュエータ |
JP3574261B2 (ja) * | 1996-02-15 | 2004-10-06 | 東京パーツ工業株式会社 | ギヤードモータと同ギヤードモータを用いる電動便器 |
-
1998
- 1998-09-29 DE DE69839813T patent/DE69839813D1/de not_active Expired - Lifetime
- 1998-09-29 JP JP2000572979A patent/JP3776316B2/ja not_active Expired - Lifetime
- 1998-09-29 WO PCT/JP1998/004385 patent/WO2000019582A1/ja active IP Right Grant
- 1998-09-29 EP EP98944309A patent/EP1035632B1/en not_active Expired - Lifetime
- 1998-09-29 AU AU91881/98A patent/AU9188198A/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08140306A (ja) * | 1994-11-11 | 1996-05-31 | Tokyo Parts Ind Co Ltd | ギヤードアクチュエーター |
JPH09308188A (ja) * | 1996-05-10 | 1997-11-28 | Tokyo Parts Ind Co Ltd | ギヤードアクチュエータ |
Non-Patent Citations (1)
Title |
---|
See also references of EP1035632A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1035632A4 (en) | 2005-08-31 |
EP1035632A1 (en) | 2000-09-13 |
JP3776316B2 (ja) | 2006-05-17 |
AU9188198A (en) | 2000-04-17 |
DE69839813D1 (de) | 2008-09-11 |
EP1035632B1 (en) | 2008-07-30 |
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