CN101081151A - Automatic opening and closing device - Google Patents

Automatic opening and closing device Download PDF

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Publication number
CN101081151A
CN101081151A CN 200710103076 CN200710103076A CN101081151A CN 101081151 A CN101081151 A CN 101081151A CN 200710103076 CN200710103076 CN 200710103076 CN 200710103076 A CN200710103076 A CN 200710103076A CN 101081151 A CN101081151 A CN 101081151A
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CN
China
Prior art keywords
worm screw
helical gear
gear
switch device
automatic switch
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Granted
Application number
CN 200710103076
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Chinese (zh)
Other versions
CN100522033C (en
Inventor
福田达也
寺田义郎
高田英树
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Toto Ltd
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Toto Ltd
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Publication of CN101081151A publication Critical patent/CN101081151A/en
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Publication of CN100522033C publication Critical patent/CN100522033C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Toilet Supplies (AREA)
  • Gear Transmission (AREA)
  • Transmission Devices (AREA)

Abstract

An automatic switching device is provided to realize miniaturizing, lightweighting and silencing the automatic switching device of toilet-seat and toilet-cover. The automatic switching device (10) comprises: motor (13) mounted on rotation axis (12) with two or more worm gears (11); output axis (14) for switching toilet-seat and toilet-cover; reduction gear unit (15) for decelerating the revolution of worm gears (11) and transfering it to output axis (14). The reduction gear unit (15) is composed of two plates (19,20) for grasping three supporting parts (16) and being in point-against-back arrangement; and a number of gear set (21) between the plates (19,20). A first helical gear (22) for engaging with worm gears (11) and rotating, subsidiary worm gears for linkaging and rolling on the same supporting axes (23) with the first helical gear and a second helical gear (22) for engaging with subsidiary worm gears and rotating are installed on the gear set (21). In addition, the supporting axes (26,27) of gear set (21) are axially supported on the plates (19,20).

Description

Automatic switch device
Technical field
The present invention relates to driving force with motor and open and close the toilet seat that foreign formula closet possessed or the automatic switch device of toilet cover.
Background technology
The automatic switch device that ocean formula closet is possessed, in the past, in order to realize reducing the running sound, be provided with that to have a number be 2 and above worm screw on as the output shaft of the motor of power source, accept the rotation of this worm screw and pass to the switching back shaft (for example, with reference to patent documentation 1) of toilet seat toilet cover with set helical gear of the primary stage of reduction gear.
, in the automatic switch device of patent documentation 1 record, because the rotating shaft of the gear of the output shaft of motor and reduction gear row is towards different directions, so device is difficult to miniaturization, lightweight.Therefore, the applicant's rotating shaft of proposing the gear row of a kind of output shaft with motor and reduction gear is the automatic switch device (for example, with reference to patent documentation 2) of the structure that is parallel to each other.
Patent documentation 1: Japanese kokai publication hei 10-262867 communique
Patent documentation 2: Japan internationality discloses brochure No. 03/065866
Summary of the invention
Can realize quietization according to the automatic switch device that patent documentation 1 is put down in writing, can realize miniaturization, lightweight according to the automatic switch device that patent documentation 2 is put down in writing, if so these technology are combined, should be able to obtain that more small-sized, weight is light again, also quiet automatic switch device of running., as patent documentation 1 record, the rotating shaft of worm screw is different with the mutual direction of the rotating shaft of helical gear, so be difficult to the invention of patent documentation 1 and patent documentation 2 records is combined.
The problem to be solved in the present invention is to realize miniaturization, lightweight and quietization of the automatic switch device of toilet seat toilet cover.
Automatic switch device of the present invention, it is characterized in that possessing: be equipped with on the rotating shaft that to have a number be 2 and the motor of above worm screw, open and close the output shaft of toilet seat toilet cover, and the rotation that makes described worm screw is slowed down and is passed to the reduction gear of described output shaft
Described reduction gear has the polylith plate of at least one holding components of clamping and configured in parallel and the gear train that disposes between described plate,
Be provided with at least on the described gear train with the 1st helical gear of described worm engaging and rotation, with the secondary worm screw of described the 1st helical gear interlock rotation on coaxial and with described secondary worm engaging and the 2nd helical gear that rotates.
So constitute,, can realize quietization because slow down by the worm screw and the secondary worm screw of transmitting revolving force with frictional force.In addition, by the engagement of worm screw and the 1st helical gear and the engagement of secondary worm screw and the 2nd helical gear, behind rotating shaft direction change 90 degree of motor, rechange 90 degree, thus can with except the back shaft of the 1st helical gear and secondary worm screw other the back shaft of gear train and the rotating shaft of motor be configured on the identical direction.The gear train centralization be can make, thereby miniaturization, lightweight realized.
Here, if will be supported on the described plate of polylith except the back shaft axle of the described gear train the back shaft of described the 1st helical gear and described secondary worm screw, the back shaft axle of described the 1st helical gear and described secondary worm screw is supported on the described holding components, then can make other the bearing centralization of back shaft of gear train except the back shaft of the 1st helical gear and secondary worm screw, thus miniaturization effectively, lightweight.
On the other hand, if the rotating shaft of described motor is only kept with one of them of the described plate of polylith, then can alleviate the load that is carried on the worm screw.
Also have,, then can improve the accuracy of mesh of worm screw and the 1st helical gear, therefore can reduce the backlash amount, reduce by the caused noise in backlash if the maintaining body of the axle base that keeps described worm screw and described the 1st helical gear is set.Also have,, can prevent to increase torque loss by improving the accuracy of mesh.
According to the present invention, can realize miniaturization, lightweight and quietization of toilet seat toilet cover automatic switch device.
Description of drawings
Fig. 1 is the cutaway view of the automatic switch device of expression embodiment of the present invention.
Fig. 2 is the cutaway view of A-A line among Fig. 1.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Fig. 4 is expression worm screw and the 1st helical gear distance between axles ideograph from maintaining body.
Fig. 5 is expression worm screw and the 1st helical gear distance between axles ideograph from maintaining body.
Fig. 6 is expression worm screw and the 1st helical gear distance between axles ideograph from maintaining body.
Fig. 7 is expression worm screw and the 1st helical gear distance between axles ideograph from maintaining body.
Fig. 8 is expression worm screw and the 1st helical gear distance between axles ideograph from maintaining body.
Fig. 9 is expression worm screw and the 1st helical gear distance between axles ideograph from maintaining body.
Symbol description
10. automatic switch device; 11. worm screw; 12. rotating shaft; 13. motor; 14. output shaft; 15. reduction gear; 16,17,18. holding components; 19,20. plates; 21. gear train; 22. the 1st helical gear; 23,26,27. back shafts; 24. secondary worm screw; 25. the 2nd helical gear; 28,29. gears; 30. bearing; 31. leaf spring; 32. fastening parts; 33. lead-in chamfered; 34,37,45,47,48. spring parts; 35,40,41,44,46. bolts; 36.O shape circle; 38. capacity eccentric bearing; 39. casing; 42. wedge-shaped member; 43. slide unit.
The specific embodiment
Below, come embodiments of the present invention are illustrated according to accompanying drawing.Fig. 1 represents the cutaway view of the automatic switch device of embodiment of the present invention, and Fig. 2 is the cutaway view of A-A line among Fig. 1, and Fig. 3 is the partial enlarged drawing of Fig. 2.
As Fig. 1~shown in Figure 3, the automatic switch device 10 of present embodiment possesses: be equipped with on the rotating shaft 12 that to have a number be 2 and the motor 13 of above worm screw 11; Open and close the output shaft 14 of toilet seat toilet cover (not shown); And the rotation that makes worm screw 11 is slowed down and is passed to the reduction gear 15 of output shaft 14.Reduction gear 15 has two pieces of plates 19,20 of clamping three holding components 16,17,18 and configured in parallel, and the gear train 21 that is made of a plurality of gears of configuration between plate 19,20.And, gear train 21 be provided with the 1st helical gear 22 of worm screw 11 engagement and rotation, with the 1st helical gear 22 on same back shaft 23, link rotation secondary worm screw 24 and with secondary worm screw 24 engagements and the 2nd helical gear 25 that rotates.In addition, will be supported on the polylith plate 19,20 except 26,27 of the back shafts of the gear train 21 the back shaft 23 of the 1st helical gear 22 and secondary worm screw 24.23 of the back shafts of the 1st helical gear 22 and secondary worm screw 24 are supported in holding components 16,18.
When the rotating shaft 12 of motor 13 rotates, then worm screw 11 rotations, its revolving force passes to the 1st helical gear 22, with secondary worm screw 24 rotations of its arranged coaxial.The revolving force of secondary worm screw 24 transmits to the 2nd helical gear 25, with gear 28 rotations of the 2nd helical gear 25 interlock on same axle.And, since with the rotation of gear 28 meshed gears 29, so be driven in rotation with output shaft 14 that the back shaft 27 of gear 29 is connected on coaxial.
According to formation like this, owing to slow down by the worm screw 11 and the secondary worm screw 24 of transmitting revolving force with frictional force, so can realize quietization.In addition, as shown in Figure 3, the back shaft 23 of the 1st helical gear 22 and secondary worm screw 24, by 16,18 supports of holding components, by the engagement of worm screw 11 and the 1st helical gear 22 and the engagement of secondary worm screw 24 and the 2nd helical gear 25, behind rotation change 90 degree of the rotating shaft 12 of motor 13, rechange 90 degree and transmit, therefore the rotating shaft 12 of the back shaft 26,27 of the gear train of other except the back shaft 23 of the 1st helical gear 22 and secondary worm screw 24 and motor 13 can be disposed at equidirectional on.Thus, gear train 21 centralization can be made, miniaturization, the lightweight of automatic switch device 10 can be realized.
In addition, by being supported on the polylith plate 19,20 except 26,27 of the back shafts of the gear train 21 the back shaft 23 of the 1st helical gear 22 and secondary worm screw 24, the bearing centralization of back shaft 26,27 of other gear train 21 can be made, therefore miniaturization, lightweight can be carried out effectively.And, motor 13 rotating shafts 12, owing to only keep by plate 20, so can alleviate the load that is added on the worm screw 11.
Secondly, based on Fig. 4~Fig. 9, be illustrated about the maintaining body of the axle base that keeps worm screw 11 and the 1st helical gear 22.Any one all represents the ideograph of the axle base maintaining body of worm screw 11 and the 1st helical gear 22 among Fig. 4~Fig. 9.
Maintaining body shown in Figure 4, the bearing 30 usefulness leaf springs 31 on the front end of the rotating shaft 12 by will being installed on motor keep the axle base of worm screw 11 and the 1st helical gear 22 to 22 pushings of the 1st helical gear.
Maintaining body shown in Figure 5 is controlled the bearing 30 of front end that is installed on motor axis of rotation 12 on lead-in chamfered 33 by fastening parts 32 slidably, simultaneously, these fastening parts 32 are pushed to rotating shaft 12 directions by the bolt 35 of subsidiary spring part 34.When increasing the pushing force of rotating shaft 12 directions by bolt 35, then owing to the slip along lead-in chamfered 33, worm screw 11 is moved to the 1st helical gear 22.Also have, absorb the variable quantity of the axle base of worm screw 11 and the 1st helical gear 22 by spring 34.Thus, can make the axle base of worm screw 11 and the 1st helical gear 22 keep appropriate distance.
Maintaining body shown in Figure 6, bearing 30 usefulness O shapes circle 36 maintenances that the front end of the rotating shaft 12 of motor is installed.O shape circle 36 absorbs the variable quantity of the axle base of worm screw 11 and the 1st helical gear 22.Thus, the axle base that keeps worm screw 11 and the 1st helical gear 22.
Maintaining body shown in Figure 7, the bearing 30 that keeps the front end of the rotating shaft 12 of motors to install with spring part 37.Spring part 37 absorbs the variable quantity of the axle base of worm screw 11 and the 1st helical gear 22.The axle base that keeps worm screw 11 and the 1st helical gear 22 thus.
Maintaining body shown in Fig. 8 (a) is installed in rotation on the axle base of regulating, keep worm screw 11 and the 1st helical gear 22 on the casing 39 by the capacity eccentric bearing 38 that the front end of the rotating shaft 12 of motor is installed.At this moment, behind the position of regulating capacity eccentric bearing 38, by the bolt 41 shown in the bolt 40 shown in Fig. 8 (b) or Fig. 8 (c), as long as carry out the stop of capacity eccentric bearing 38.
Maintaining body shown in Fig. 9 (a), the bearing 30 that the front end of the rotating shaft 12 of motor is installed by being subjected to spring part 48 effects wedge-shaped member 42 and slide unit 43 to 22 pushings of the 1st helical gear.Spring part 48 absorbs the variable quantity of the axle base of worm screw 11 and the 1st helical gear 22.The axle base that keeps worm screw 11 and the 1st helical gear 22 thus.
Maintaining body shown in Fig. 9 (b) keeps, regulates the axle base of worm screw 11 and the 1st helical gear 22 to 22 pushings of the 1st helical gear by the bearing 30 usefulness bolts 44 that the front end of the rotating shaft 12 of motor is installed.
Maintaining body shown in Fig. 9 (c) keeps, regulates the axle base of worm screw 11 and the 1st helical gear 22 to 22 pushings of the 1st helical gear by the bearing 30 usefulness spring parts 45 that the front end of the rotating shaft 12 of motor is installed.
Maintaining body shown in Fig. 9 (d) keeps, regulates the axle base of worm screw 11 and the 1st helical gear 22 to 22 pushings of the 1st helical spring by the spring part 47 of bearing 30 usefulness fastenings on bolt 46 that the front end of the rotating shaft 12 of motor is installed.
If Fig. 4~axle base maintaining body shown in Figure 9 is set, then because can improve the accuracy of mesh of worm screw 11 and the 1st helical gear 22, thus can reduce the backlash amount, and can reduce the noise that causes by the backlash.Also have,, can prevent to increase torque loss by improving the accuracy of mesh.At this moment, if use with leaf spring 31 or spring part 34,37,40,44,46 or O shape enclose elastomers such as 36 with the mechanism of worm screw 11 to 22 pushings of the 1st helical gear, then owing to remain certain backlash amount, so can realize smooth spinning movement, in addition, also can suppress the increase of the backlash that abrasion produced of the caused tooth of perseveration.And Fig. 4~Fig. 9 just for example, is not limited to these maintaining bodies.
Automatic switch device of the present invention can be applied even more extensively in foreign formula toilets such as general dwelling house or communal facility.

Claims (4)

1. automatic switch device, it is characterized in that possessing: be equipped with on the rotating shaft that to have a number be 2 and the motor of above worm screw, open and close the output shaft of toilet seat toilet cover, and the rotation that makes described worm screw is slowed down and is passed to the reduction gear of above-mentioned output shaft
Described reduction gear has the polylith plate of at least one holding components of clamping and configured in parallel and the gear train that disposes between described plate,
Be provided with at least on the described gear train with the 1st helical gear of described worm engaging and rotation, with the secondary worm screw of described the 1st helical gear interlock rotation on coaxial and with described secondary worm engaging and the 2nd helical gear that rotates.
2. automatic switch device according to claim 1, it is characterized in that: will be supported on except the back shaft axle of the described gear train the back shaft of described the 1st helical gear and described secondary worm screw on the described plate of polylith, the back shaft axle of described the 1st helical gear and described secondary worm screw is supported on the described holding components.
3. automatic switch device according to claim 1 and 2 is characterized in that, the rotating shaft of described motor is only used one of them maintenance of the described plate of polylith.
4. according to any described automatic switch device of claim 1~3, it is characterized in that, be provided with the maintaining body of the axle base that keeps described worm screw and described the 1st helical gear.
CNB2007101030767A 2006-05-31 2007-05-28 Automatic opening and closing device Expired - Fee Related CN100522033C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006152860A JP4814693B2 (en) 2006-05-31 2006-05-31 Automatic switchgear
JP2006152860 2006-05-31

Publications (2)

Publication Number Publication Date
CN101081151A true CN101081151A (en) 2007-12-05
CN100522033C CN100522033C (en) 2009-08-05

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Application Number Title Priority Date Filing Date
CNB2007101030767A Expired - Fee Related CN100522033C (en) 2006-05-31 2007-05-28 Automatic opening and closing device

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CN (1) CN100522033C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102727126A (en) * 2011-04-11 2012-10-17 罗章平 Membrane-covered sitting type closestool
CN102973198A (en) * 2012-11-01 2013-03-20 深圳市博电电子技术有限公司 Transmission movement device used for controlling lifting of toilet seat cover and closet seat ring in restroom

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203363006U (en) * 2013-06-28 2013-12-25 上海科勒电子科技有限公司 Gear case
JP2017176675A (en) * 2016-03-31 2017-10-05 ミネベアミツミ株式会社 Driving device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3799236B2 (en) * 2001-01-22 2006-07-19 株式会社ジェイテクト Electric power steering device
JPH038334U (en) * 1989-06-14 1991-01-25
JPH10262867A (en) * 1997-03-25 1998-10-06 Canon Precision Inc Automatic open/closure device of toilet seat and toilet cover of toilet stool
JP2002249056A (en) * 2001-02-21 2002-09-03 Koyo Seiko Co Ltd Electric power steering device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102727126A (en) * 2011-04-11 2012-10-17 罗章平 Membrane-covered sitting type closestool
CN102973198A (en) * 2012-11-01 2013-03-20 深圳市博电电子技术有限公司 Transmission movement device used for controlling lifting of toilet seat cover and closet seat ring in restroom
CN102973198B (en) * 2012-11-01 2014-11-05 深圳市博电电子技术有限公司 Transmission movement device used for controlling lifting of toilet seat cover and closet seat ring in restroom

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Publication number Publication date
JP2007319411A (en) 2007-12-13
JP4814693B2 (en) 2011-11-16
CN100522033C (en) 2009-08-05

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Granted publication date: 20090805

Termination date: 20210528