CN105322712B - Gear motor and automatic shutter unit - Google Patents
Gear motor and automatic shutter unit Download PDFInfo
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- CN105322712B CN105322712B CN201510367415.7A CN201510367415A CN105322712B CN 105322712 B CN105322712 B CN 105322712B CN 201510367415 A CN201510367415 A CN 201510367415A CN 105322712 B CN105322712 B CN 105322712B
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Abstract
Even the present invention provides one kind and configures multi-layer gear in axis direction to form deceleration train, the gear motor and automatic shutter unit of the axle of supporting gear can be also properly configured.Three supporting members (the first supporting member (81), the second supporting member (82) and the 3rd supporting member (83)) configuration of the fulcrum of the gear for the train (50) that deceleration train is formed will be supported in axis (L) direction, gear is configured using being waited between the first supporting member and the second supporting member between the first supporting member and the 3rd supporting member.Because the first supporting member (81) is formed with the locator protrusions (815,816) positioned to the second supporting member (82) and the 3rd supporting member (83), thus supporting member it is mutual positional precision it is higher.Therefore, even between the first supporting member (81) and the 3rd supporting member (83) that separation is relatively opened, the 3rd fulcrum (63) is not easy to run-off the straight.
Description
Technical field
The present invention relates to a kind of gear motor and tool of the deceleration train for having and the rotation of motor being delivered to output shaft
There is the automatic shutter unit of the gear motor.
Background technology
The Western-style closestool of automatic shutter toilet lid and washing machine lid etc. automatic shutter unit in, lid material is installed on
The output shaft of gear motor is driven to lid.Now, make the rotational deceleration of motor and be delivered to output shaft.For example, will
Planetary gears, which is installed on train, to be made the rotational deceleration of motor and is delivered to output shaft (patent document 1).
Patent document 1：Japanese Unexamined Patent Publication 2005-282034 publications
But planetary gears, compared with the gear for having used spur gear, noise (noise) is larger, and price is higher.
It is therefore preferable that using employing small-diameter gear and deceleration train greatly through gear, but now needed to obtain enough speed reducing ratio
More gear is wanted, and the occupied area of deceleration train is become big.
Accordingly, it is considered to multi-layer gear is configured in axis direction, to reduce the occupied area of deceleration train.Now, will support
At least three supporting members (the first supporting member, the second supporting member and the 3rd supporting member) of the axle of gear are configured in axle
Line direction, using between the first supporting member and the second supporting member between the first supporting member and the 3rd supporting member etc. come
Configure gear.But if setting three supporting members, axle the first supporting member for relatively opening of separation and the 3rd supporting member it
Between easy run-off the straight.If the axle run-off the straight, because gear does not engage suitably, therefore it is larger miscellaneous as occurring
The reason for sound (noise) etc..
The content of the invention
In view of problem above, even problem of the invention is to provide one kind and sets multi-layer gear to form in axis direction
Deceleration train, it can also properly configure the gear motor and automatic shutter unit of the axle of supporting gear.
In order to solve above-mentioned problem, gear motor involved in the present invention includes motor, the first supporting member, in axis side
To second supporting member overlapping and opposed with first supporting member, relative to second supporting member with described first
The 3rd opposed supporting member of the opposite side of supporting member, including at least e axle supporting in first supporting member and described
The gear and e axle supporting of two supporting members are in the gear of first supporting member and the 3rd supporting member and by described in
The rotation of motor is delivered to the deceleration train of output shaft, in first supporting member, second supporting member and described
In 3rd supporting member, first supporting member or second supporting member have location division, and the location division is relative
Another two supporting member is positioned in axis direction orthogonal direction.
In the present invention, by least three supporting members (the first supporting member, the second supporting member of the axle of supporting gear
And the 3rd supporting member) configuration in axis direction, supports using between the first supporting member and the second supporting member with first
The configuration gear such as between part and the 3rd supporting member.Therefore, the area that deceleration train is occupied is narrower.Also, due to three branch
Bearing portion part (the first supporting member, the second supporting member and the 3rd supporting member) is to be arranged at a supporting member (first
Bearing portion part and the second supporting member) location division on the basis of be positioned, therefore, the mutual positional precision of supporting member is higher.
Therefore, even between the first supporting member and the 3rd supporting member that separation is relatively opened, axle is not easy to run-off the straight.Therefore, by
Suitably engaged in gear, therefore be not susceptible to noise (noise).
In the present invention, it is preferred to the deceleration train includes the axle relative to another gear in the overlapping tooth of axis direction
Wheel.According to the structure, the area that deceleration train is occupied can be further reduced.
In the present invention, it can also use the deceleration train that also there is e axle supporting in second supporting member and described
The structure of the gear of 3rd supporting member.
In the present invention, it is preferred to first supporting member has the location division.According to the structure, due to directly right
The first supporting member for relatively opening is separated to position with the 3rd supporting member, therefore even in separating the first supporting member for relatively opening and the
Between three supporting members, axle is not easy to run-off the straight.Therefore, because gear suitably engages, therefore it is not susceptible to larger miscellaneous
Sound.
In the present invention, it is preferred to first supporting member be provided with by the side of the axial direction of rotation of the output
The affixed side spring holding section of the end engaging of the secondary spring of direction force.According to the structure, when assembling gear motor,
The second supporting member and the 3rd supporting can be assembled to be provided with the state of output shaft and secondary spring in the first supporting member
Part.
The gear motor for applying the present invention can be used in automatic shutter unit etc., in automatic shutter unit, described
Output shaft is connected with lid material.
Invention effect
In the present invention, by least three supporting members (the first supporting member, the second supporting member of the axle of supporting gear
And the 3rd supporting member) configuration in axis direction, supports using between the first supporting member and the second supporting member with first
The configuration gear such as between part and the 3rd supporting member.Therefore, the area that deceleration train is occupied is narrower.Also, due to three branch
Bearing portion part (the first supporting member, the second supporting member and the 3rd supporting member) is to be arranged at a supporting member (first
Bearing portion part and the second supporting member) location division on the basis of be positioned, therefore supporting member it is mutual positional precision it is higher.Cause
This, even between the first supporting member and the 3rd supporting member that separation is relatively opened, axle is not easy to run-off the straight.Therefore, because
Gear suitably engages, therefore is not susceptible to larger noise (noise).
Brief description of the drawings
Fig. 1 (a), Fig. 1 (b) are the explanation figures of the automatic shutter unit with the gear motor for applying the present invention.
Fig. 2 (a), Fig. 2 (b), Fig. 2 (c) are the explanation figures for showing to apply the internal structure of the gear motor of the present invention.
Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) are the explanation figures for being formed in the train for applying the gear motor of the present invention.
Fig. 4 is to deploy and schematically illustrate the meshing relation of each gear for the train for applying the gear motor of the present invention
Illustrate figure.
Fig. 5 (a), Fig. 5 (b) are the supporting structures of the fulcrum for the train that the gear motor of the present invention is applied from unilateral observation
Explanation figure.
Fig. 6 (a), Fig. 6 (b) are the supporting knots of the fulcrum for the train that the gear motor of the present invention is applied from opposite side
The explanation figure of structure.
Fig. 7 (a), Fig. 7 (b), Fig. 7 (c), Fig. 7 (d), Fig. 7 (e), Fig. 7 (f), Fig. 7 (g), Fig. 7 (h) are to applying this hair
The explanation figure for the part that the fulcrum of the train of bright gear motor is supported.
Fig. 8 (a), Fig. 8 (b), Fig. 8 (c), Fig. 8 (d) are the explanation figures for the output shaft for applying the gear motor of the present invention.
Fig. 9 (a), Fig. 9 (b) are the positioning knots for schematically illustrating the supporting member for applying another gear motor of the present invention
The explanation figure of structure.
(symbol description)
1 gear motor；
2 housings；
3 output shafts；
4 drive mechanisms；
10 lid materials；
21 first housing parts；
22 second housing parts；
25 outer covers；
30 axis bodies；
35 is simplified；
40 motors；
49 input and output portions；
50 trains；
51 first gears；
52 second gears；
53 the 3rd gears；
54 the 4th gears；
61 first fulcrums；
62 second fulcrums；
63 the 3rd fulcrums；
64 the 4th fulcrums；
70 secondary springs；
71st, the end of 72 secondary springs；
81 first supporting members；
82 second supporting members；
83 the 3rd supporting members；
91 detection parts；
95 wires；
100 automatic shutter units；
226a guide portions；
306a backoff portion；
308a, 309a backoff portion；
353 teeth；
355 drawer at movable side spring holding sections；
357 second arc sections；
357a, 357b rotationally constrained portion；
358 first arc sections；
359 convex portions；
307 recesses；
814 affixed side spring holding sections；
815th, 816 locator protrusions；
829 hamulus；
829a wires location division；
832 next doors；
838a breach.
Embodiment
The gear motor and automatic shutter unit that apply the present invention are illustrated referring to the drawings.In addition, following
Explanation in, illustrated using the center of rotation axis of output shaft as axis L.
(overall structure)
Fig. 1 (a), Fig. 1 (b) are the explanation figures of the automatic shutter unit 100 with the gear motor 1 for applying the present invention,
Fig. 1 (a), Fig. 1 (b) are the solid from gear motor 1 from the side (the side L1 in axis L directions) that output shaft 3 protrudes respectively
Figure and from output shaft 3 protrude side opposite side (the opposite side L2 in axis L directions) from gear motor 1 stereogram.
Fig. 2 (a), Fig. 2 (b), Fig. 2 (c) are the explanation figures for showing to apply the internal structure of the gear motor 1 of the present invention, Fig. 2 (a), are schemed
2 (b), Fig. 2 (c) be respectively from gear motor 1 unloaded the first housing parts 21 and outer cover 25 state exploded perspective view,
It has further been omitted the stereogram of the situation of the diagram of the second housing parts and the grade of detection part 91 and further unloaded auxiliary
Help the exploded perspective view of the state of spring 70.In addition, three wires 95 are used in the gear motor 1 of present embodiment, but
Fig. 2 (a) only illustrates a wire 95.
As shown in Fig. 1 (a), Fig. 1 (b), the gear motor 1 in present embodiment has overall in substantially cylindric housing
2, the terminal part 301 of output shaft 3 is prominent to the side L1 in axis L directions from housing 2.In the side of terminal part 301 formed with phase
Two opposed tabular surfaces.In the case where forming automatic shutter unit 100 using gear motor 1, in the terminal part of output shaft 3
301 are connected with the lid material 10 of chain-dotted line expression.Lid material 10 is the toilet lid or toilet seat of Western-style closestool.Also, lid material 10
It can be the lid material of washing machine.
In the automatic shutter unit 100, gear motor 1 makes output shaft 3 be rotated around axis L to open lid material 10
Close.For example, gear motor 1 makes output shaft 3 to drive lid material 10 to opening direction towards side direction R1 rotations around axis L, and make
Output shaft 3 to drive lid material 10 to closing direction around axis L towards other direction R2 rotations.In the automatic shutter list of present embodiment
In member 100, lid material 10 is the toilet lid or toilet seat of Western-style closestool.Therefore, automatic shutter unit 100 is configured to make output shaft
3 are in horizontality, and lid material 10 is by the axis drives around level.
In the gear motor 1 of present embodiment, housing 2 has the first housing being open to the side L1 in axis L directions
Part 21 and the second housing parts being open relative to side L1 of first housing parts 21 in axis L directions to opposite side L2
22.Therefore, the second housing parts 22 side L1 end face formed with the hole 223 for protruding the terminal part 301 of output shaft 3.
In the present embodiment, by the screw (omit and illustrate) for the flange part 220 for being fixed on the second housing parts 22, the first housing is made
Part 21 is combined with the second housing parts 22.
Hereinafter, the side L1 in axis L directions is referred to as side L1 to illustrate, by the opposite side L2 in axis L directions
Referred to as opposite side L2 is illustrated.
As shown in Fig. 1 (a), Fig. 1 (b) and Fig. 2 (a), Fig. 2 (b), Fig. 2 (c), the second housing parts 22 have cylindrical shape
Cylinder portion 221 and from cylinder portion 221 to radially projecting hollow sensor support 225, in the inside of sensor support 225
Sensor gear 97 is configured with, the detection part of the angle position of detection output shaft 3 is configured with the side of sensor gear 97
91 and sensor base plate 92.Also, sensor support 225 is covered by outer cover 25 from side L1.Now, the second housing parts 22
The engaging protrusion 258 of side of the hook 228 with being formed at outer cover 25 engage, outer cover 25 is fixed on the second housing parts 22.At this
Under state, sensor gear 97, detection part 91 and sensor base plate 92 across tabular guard block 27 by outer cover 25 from
Side L1 is covered.
In the drive mechanism 4 for being internally provided with driving output shaft 3 and rotating of housing 2.Drive mechanism 4 has being capable of positive and reverse return
The motor 40 that turns and the rotation of motor 40 is transferred to the train 50 of output shaft 3, train 50 is configured to the rotation for making motor 40
Slow down and be delivered to the deceleration train of output shaft 3.Also, match somebody with somebody in the inner side in the cylinder portion 221 of the second housing parts 22 around output shaft 3
It is equipped with the secondary spring 70 being made up of torsion-coil spring.One end 71 of secondary spring 70 engages with output shaft 3, aids in bullet
Another end 72 of spring 70 engages with the side of the second housing parts 22.Secondary spring 70 in order to play a role power to deform
State is assembled, and secondary spring 70 plays the active force of the side direction R1 shown in Fig. 1.The one side direction R1 is to make lid material 10
It is the direction for making the rotation of lid material 10 against gravity from the direction that flat position erects.Therefore, the auxiliary drive mechanism of secondary spring 70
4 driving.
Motor 40 makes motor drive shaft (omitting diagram) be configured as towards side L1, in phase in the inner side of the first housing parts 21
Side L1 position is leaned on for motor 40, is configured with the inner side of the inner side of the first housing parts 21 and the second housing parts 22
Train 50.Motor base plate 48 is configured with the opposite side L2 of motor 40, input and output are configured with the opposite side of motor base plate 48
Portion 49, the input and output portion 49 from the outside of housing 2 by motor base plate 48 to motor power and it is defeated to the outside of housing 2
The testing result gone out at detection part 91.In the present embodiment, input and output portion 49 is made up of connector, in the first housing section
The opposite side L2 of part 21 end 215 forms the sheath portion 216 from opposite side L2 covering input and output portions 49 (connector).At this
In embodiment, input and output portion 49 is made up of connector, but can also be used as wire 95 described later and motor 40 is powered and use
Wire lead division form input and output portion 49.
(schematic construction of train 50)
Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) are the explanation figures for being formed in the train 50 for applying the gear motor 1 of the present invention,
Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) be respectively from the side L1 in axis L directions the stereogram of the grade of train 50, from axis L directions
Side L1 observation unloaded output shaft 3 state exploded perspective view and unloaded from the opposite side L2 in axis L directions
The stereogram of the state of output shaft 3.Fig. 4 is to show and schematically illustrate the train 50 for applying the gear motor 1 of the present invention
Each gear meshing relation explanation figure.
As shown in Fig. 2 (a), Fig. 2 (b), Fig. 2 (c), in the present embodiment, when configuring train 50, in the second housing section
In part 22 the first supporting member 81 to train 50 is utilized as towards opposite side L2 part.Also, when configuring train 50,
The opposite side L2 of second housing parts 22 (the first supporting member 81) is configured with the second supporting member 82, in the second supporting member 82
Opposite side L2 be configured with the 3rd supporting member 83.3rd supporting member 83 is located at the inner side of the first housing parts 21, second
Bearing portion part 82 is maintained between the first housing parts 21 and the second housing parts 22.Also, the 3rd supporting member 83 is utilized as horse
Up to 40 fixed component.More specifically, motor 40 is fixed relative to the 3rd supporting member 83 by screw 409, in this condition,
The motor drive shaft (omitting diagram) of motor 40 is prominent from the 3rd supporting member 83 to side L1.
Also, between the first supporting member 81 and the second supporting member 82, in the second supporting member 82 and the 3rd supporting
The fulcrum of supporting gear is set between part 83 and between the first supporting member 81 and the 3rd supporting member 83.
More specifically, as shown in Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) and Fig. 4, train 50 has first gear 51, the
Two gears 52, the 3rd gear 53 and the 4th gear 54, first gear 51 are to revolve by the supporting of the first fulcrum 61 (fixing axle)
Turn, first fulcrum 61 is supported at both ends in the 3rd supporting member 83 and the second supporting member 82.The gear 51 have with
Motor pinion 405 engage large diameter gear 511 and in small-diameter gear 512 coaxially formed the side L1 of large diameter gear 511.The
For two gears 52 by the supporting of the second fulcrum 62 (fixing axle) for that can rotate, the both ends of second fulcrum 62 are supported in the 3rd
The supporting member 82 of bearing portion part 83 and second.The second gear 52 is big with being engaged with the small-diameter gear 512 of first gear 51
Footpath gear 521 and in small-diameter gear 522 coaxially formed the side L1 of large diameter gear 521.
3rd gear 53 is to rotate by the supporting of the 3rd fulcrum 63 (fixing axle), the two supports of the 3rd fulcrum 63
In the 3rd supporting member 83 and the first supporting member 81.3rd gear 53 has the small-diameter gear 522 with second gear 52
The large diameter gear 531 of engagement and in small-diameter gear 532 coaxially formed the side L1 of large diameter gear 531.In the present embodiment,
The large diameter gear 531 and small-diameter gear 532 of 3rd gear 53 are made up of the different parts of arranged coaxial, are forming large diameter gear
The clutch components of ring-type are configured between 531 part and the part for forming small-diameter gear 532.Therefore, in large diameter gear 531
When applying larger load between small-diameter gear 532, form the part of large diameter gear 531 and form the portion of small-diameter gear 532
Part dallies.Thus, for example, the midway of output shaft 3 is driven by train 50 in motor 40, even shown in manually operated Fig. 1
The grade of lid material 10 apply excessive external force to output shaft 3 in the case of, do not damage train 50 yet.
4th gear 54 is to rotate by the supporting of the 4th fulcrum 64 (fixing axle), the two supports of the 4th fulcrum 64
In the second supporting member 82 and the first supporting member 81.4th gear 54 has the small-diameter gear 532 with the 3rd gear 53
The large diameter gear 541 of engagement and in small-diameter gear 542 coaxially formed the side L1 of large diameter gear 541.Also, output shaft 3
Tooth 353 engages with small-diameter gear 542.
(location structure of supporting member)
In such supporting gear 50, it is necessary to position the first supporting member exactly in the direction relative to axis L-orthogonal
81st, the second supporting member 82 and the 3rd supporting member 83.Therefore, in the present embodiment, in the first supporting member 81, second
In the supporting member 83 of supporting member 82 and the 3rd, the first supporting member 81 or the second supporting member 82 have location division, described
Location division positions relative to the orthogonal direction of axis direction to another two supporting member.In the present embodiment, first
Supporting member 81 has a location division, and the location division is in the direction relative to axis L-orthogonal to another two supporting member (second
The supporting member 83 of bearing portion part 82 and the 3rd) positioned.
More specifically, as shown in figure 4, two positioning that oriented opposite side L2 protrusions are formed in the first supporting member 81 are prominent
Play 815,816.Also, in the positioning hole 825,826 that the second supporting member 82 penetrates respectively formed with locator protrusions 815,816,
In positioning hole 825,826 of the 3rd supporting member 83 formed with the second supporting member of insertion 82 for locator protrusions 815,816
The chimeric positioning hole 835,836 in end.
Therefore, the second supporting member 82 and the 3rd supporting member 83 on the basis of the first supporting member 81 with axis L
The orthogonal direction in direction is accurately positioned.
(detailed construction of supporting member)
Fig. 5 (a), Fig. 5 (b) are the branch of the fulcrum for the train 50 that the gear motor 1 of the present invention is applied from the L1 of side
The explanation figure of bearing structure, Fig. 5 (a), Fig. 5 (b) are to have unloaded the 3rd supporting member 83 from the side L1 in axis L directions respectively
State exploded perspective view and the state of the second supporting member 82 has further been unloaded from the side L1 in axis L directions
Exploded perspective view.Fig. 6 (a), Fig. 6 (b) are the branch for the train 50 that the gear motor 1 of the present invention is applied from opposite side L2
The explanation figure of the supporting structure of axle, Fig. 6 (a), Fig. 6 (b) are that the 3rd has been unloaded from the opposite side L2 in axis L directions respectively
The exploded perspective view of the state of bearing portion part 83 and the second support is further unloaded from the opposite side L2 in axis L directions
The exploded perspective view of the state of part 82.In addition, the diagram of gear is omitted in Fig. 5 (a), Fig. 5 (b) and Fig. 6 (a), Fig. 6 (b).
Fig. 7 (a), Fig. 7 (b), Fig. 7 (c), Fig. 7 (d), Fig. 7 (e), Fig. 7 (f), Fig. 7 (g), Fig. 7 (h) are to applying this hair
The explanation figure for the part that the fulcrum of the train 50 of bright gear motor 1 is supported.In Fig. 7 (a), Fig. 7 (b), Fig. 7 (c), Fig. 7
(d), in Fig. 7 (e), Fig. 7 (f), Fig. 7 (g), Fig. 7 (h), Fig. 7 (a), Fig. 7 (b), Fig. 7 (c), Fig. 7 (d) are from axis L side respectively
To side L1 observations train 50 be supported on the second supporting member 82 appearance top view, see from the side L1 in axis L directions
Examine the top view of the 3rd supporting member 83, from the side L1 in axis L directions the top view of the second supporting member 82 and from
The side L1 in axis L directions observes the top view of the 3rd supporting member 83 (the second housing parts 22).Fig. 7 (a), Fig. 7 (b),
In Fig. 7 (c), Fig. 7 (d), Fig. 7 (e), Fig. 7 (f), Fig. 7 (g), Fig. 7 (h), Fig. 7 (e), Fig. 7 (f), Fig. 7 (g), Fig. 7 (h) are respectively
From the opposite side L2 in axis L directions the upward view of the 3rd supporting member 83, second from the opposite side L2 in axis L directions
The upward view of supporting member 82, the 3rd supporting member 83 (the second housing parts 22) from the opposite side L2 in axis L directions
Upward view and train 50 is supported on the upward view of the appearance of the second supporting member 82 from the opposite side L2 in axis L directions.
As Fig. 5 (a), Fig. 5 (b), Fig. 6 (a), Fig. 6 (b) and Fig. 7 (a), Fig. 7 (b), Fig. 7 (c), Fig. 7 (d), Fig. 7 (e),
Shown in Fig. 7 (f), Fig. 7 (g), Fig. 7 (h), the 3rd supporting member 83 has the base plate 831 of circular, in base plate 831
In outer peripheral edge, next door 832,833,834 is prominent from the position being circumferentially separated to side L1.In the 3rd supporting member 83, next door
Turn into breach 838a between 832 and next door 833, turn into breach 838b between next door 833 and next door 834.
In next door 832,833,834, next door 834 has prominent to radial outside in fan shape in side L1 end
Tabular protuberance 834j, when the 3rd supporting member 83 is received into the first housing parts 21, be formed at the first housing
The stage portion (omitting diagram) of the internal perisporium 210 of part 21 abuts protuberance 834j from opposite side L2, and is formed at stage portion
Projection is chimeric with the hole 834k for being formed at protuberance 834j.Consequently, it is possible to can axis L directions to the first housing parts 21 with
3rd supporting member 83 is positioned.
Next door 832 and next door 833 are more prominent to side L1 than next door 834, the side L1 in next door 832 end face and next door
833 side L1 end face abuts with the opposite side L2 of the second supporting member 82 face.The side L1 of next door 832 end face shape
Into the positioning hole 835 illustrated with reference to Fig. 4, the side L1 of next door 833 end face positioning of explanation formed with reference picture 4
Hole 836.In next door 832 and next door 833, the part formed with positioning hole 835,836 turns into the circle prominent to radial outside
Cylinder portion 835a, 836a, when the 3rd supporting member 83 is received into the first housing parts 21, the inner circumferential of the first housing parts 21
Wall 210 abuts from radial outside with cylindrical portion 835a, 836a.So, it is possible with the direction of axis L-orthogonal to the first housing section
Part 21 is positioned with the 3rd supporting member 83.
In the 3rd supporting member 83, in opposite side L2 of the base plate 831 formed with the first fulcrum 61 of supporting end 61a
Axis hole 831a and supporting the second fulcrum 62 opposite side L2 end 62a axis hole 831b.Also, in the 3rd supporting member 83
In, opposite side L2 of the side L1 of next door 834 end face formed with the 3rd fulcrum 63 of supporting end 63a axis hole 831c.
So supporting the second fulcrum 62 and the 3rd fulcrum 63 as a result, the one of the large diameter gear 521 of second gear 52
It is located at when part is from axis L directions from breach 838a, the part of the large diameter gear 511 of first gear 51 is from axis L side
To during observation in the breach 838b.Also, a part for the large diameter gear 531 of the 3rd gear 53 is than protuberance 834j to radially
It is more protruding outside, but do not contacted with the internal perisporium 210 of the first housing parts 21.
In the second supporting member 82, in substantially rectangular main part 821 formed with the path tooth by making the 3rd gear 53
The breakthrough part 822 that the breach of the semicircle shape of the insertion of wheel 532 is formed, the 3rd fulcrum 63 pass through the breakthrough part 822.Also, in master
Side L1 of the opposite side L2 in body portion 821 face formed with the first fulcrum 61 of supporting end 61b axis hole 821a and supporting the
The side L1 of two fulcrums 62 end 62b axis hole 821b.Also, main part 821 side L1 face formed with supporting the
The opposite side L2 of four fulcrums 64 end 64a axis hole 821d.
Also, in the second supporting member 82, in substantially rectangular main part 821 formed with the reference picture as through hole
4 and illustrate positioning hole 825,826.
In addition, in uniform process of the outer rim of the second supporting member 82 formed with the bending section 821s extensions along main part 821
829 are played, the end of hamulus 829 is bent to radially inner side.The part quilt that the hamulus 829 surrounds with bending section 821s
It is utilized as wire location division 829a described later.
Main part 821 side L1 face formed with the axle portion 827 supported output shaft 3 as that can rotate, the axle
Portion 827 is prominent from convex portion 828 to side L1, and the convex portion 828 protrudes from the side L1 of main part 821 face.In convex portion 828
Outer peripheral edge is formed with for avoiding the breach 828a with the arc-shaped of the large diameter gear 541 of the 4th gear 54 interference.
In the second housing parts 22, towards opposite side L2 part (the first supporting member 81) formed with supporting the 3rd
The side L1 of the side L1 of fulcrum 63 end 61b the 4th fulcrum 64 of axis hole 81c and supporting end 64b axis hole 81d.And
And the locator protrusions 815,816 illustrated in the first supporting member 81 formed with reference picture 4.
In addition, in the second housing parts 22 (the first supporting member 81), formed with as the secondary spring 70 shown in Fig. 2
Opposite side end 72 engage channel-shaped recess formed affixed side spring holding section 814 (reference picture 7 (g)).
In the present embodiment, such as the explanation that reference picture 5 (a) to Fig. 7 (h) etc. is done, three supporting member (the first supportings
Part 81, the second supporting member 82 and the 3rd supporting member 83) configuration in axis L directions, using the first supporting member 81 with
Configuration forms the gear of train 50 between the first supporting member 81 and the 3rd supporting member 83 etc. between second supporting member 82
(first gear 51, second gear 52, the 3rd gear 53 and the 4th gear 54).Therefore, by spur gear, can form has
The train 50 of enough speed reducing ratio, and when from axis L directions, the area that train 50 is occupied is narrower.Also, the first supporting
Part 81, the second supporting member 82 and the 3rd supporting member 83 are due to be arranged at the locator protrusions of the first supporting member 81
815th, be positioned on the basis of 816 (location divisions), thus supporting member it is mutual positional precision it is higher.Particularly in present embodiment
In, because the first supporting member 81 has a locator protrusions 815,816 (location division), therefore even if the 3rd fulcrum 63 positioned at separation compared with
Between the first supporting member 81 opened and the 3rd supporting member 83, run-off the straight is not easy to.Therefore, because the 3rd gear 53 and
Two gears 52 and the 4th gear 54 suitably engage, therefore are not susceptible to larger noise (noise).
Also, the train 50 in present embodiment includes the axle relative to another gear in the overlapping gear in axis L directions.
For example, in the present embodiment, the 4th gear 54 is overlapping in axis L directions relative to the first fulcrum 61 of first gear 51.Cause
This, when from axis L directions, can make the area that train 50 is occupied narrow.
Also, the affixed side spring holding section engaged with the end of secondary spring 70 72 is provided with the first supporting member 81
814.Therefore, when assembling gear motor 1, output shaft 3 and secondary spring 70 are set in the first supporting member 81, can be on one side
From outlet side meshing gear in order, while assembling the second supporting member 82 and the 3rd in order relative to the first supporting member 81
Supporting member 83.
(structure of output shaft 3)
Fig. 8 (a), Fig. 8 (b), Fig. 8 (c), Fig. 8 (d) are the explanations for the output shaft 3 for applying the gear motor 1 of the present invention
Figure, Fig. 8 (a), Fig. 8 (b), Fig. 8 (c), Fig. 8 (d) be respectively from the L1 of side the stereogram of output shaft 3, from the L1 of side
The exploded perspective view of the appearance of output shaft 3 is decomposed, the stereogram of output shaft 3 and from the L1 of side from opposite side L2
The top view of the cylinder 35 of output shaft 3.
As shown in Fig. 2 (a), Fig. 2 (b), Fig. 2 (c) and Fig. 8 (a), Fig. 8 (b), Fig. 8 (c), Fig. 8 (d), output shaft 3 turns into
It is connected to the equipment gear of the secondary spring 70 of the side direction R1 forces to direction of rotation.In the present embodiment, output shaft 3
The cylinder 35 being made of metal of outer peripheral face is formed at tooth 353 and is connected to the axis body 30 being formed from a resin of cylinder 35.
In the present embodiment, cylinder 35, which has, configures the large-diameter portion 306 of secondary spring 70 around and is arranged at the end of large-diameter portion 306
The terminal part 301 of side (side L1), formed with being clamped by the rib 302 of two ring-types between large-diameter portion 306 and terminal part 301
Circumferential groove 304.In the present embodiment, cylinder 35 is sintered component.
Also, in the drawer at movable side spring holding section 355 that cylinder 35 engages formed with an end 71 with secondary spring 70.
In the present embodiment, drawer at movable side spring holding section 355 is by the end face opening in cylinder 35 at least side in axis L directions
Connecting hole is formed, drawer at movable side spring holding section 355 (connecting hole) at least institute of large-diameter portion 306 in the direction of the axisl in cylinder 35
Side (side L1) opening.In the present embodiment, drawer at movable side spring holding section 355 turns into penetrates cylinder in axis L directions
The connecting hole of body 35, it is open in both the side L1 end face in the axis L directions of cylinder 35 and opposite side L2 end face.
In the present embodiment, tooth 353 is formed at the first discontented 360 ° arc sections 358 of angular range in cylinder 35
Outer peripheral face, in cylinder 35, the second arc sections 357 of tooth 353 are not being formed formed with drawer at movable side spring holding section 355.
The end of the circumferential at least side of second arc sections 357 turns into the tooth with the small-diameter gear 542 of the 4th gear 54
Interfere and limit the rotationally constrained portion of the rotating range of output shaft 3, in the present embodiment, the second arc sections 357 it is circumferential
Two ends turn into rotationally constrained portion 357a, 357b.Here, in cylinder 35, drawer at movable side spring holding section 355, tooth 353 and
Rotationally constrained portion 357a, 357b is overlapping in axis L directions.That is, drawer at movable side spring holding section 355, tooth 353 and rotationally constrained portion
It is overlapping when the forming range in 357a, 357b axis L directions is from the direction relative to axis L-orthogonal.In present embodiment
In, because drawer at movable side spring holding section 355, tooth 353 and rotationally constrained portion 357a, 357b cross over the axis L directions of cylinder 35
Entirety and formed, therefore drawer at movable side spring holding section 355, tooth 353 and rotationally constrained portion 357a, 357b are in axis L directions
It is completely overlapped.Also, the formation model of the radial direction of drawer at movable side spring holding section 355, tooth 353 and rotationally constrained portion 357a, 357b
The radius distance enclosed is overlapping.
Also, in the second arc sections 357, the radial thickness of the angular range formed with drawer at movable side spring holding section 355
It is thicker than at circumferentially-adjacent position.Specifically, because cylinder 35 is cylinder, therefore in order to prevent that cylinder 35 is empty with axis body 30
Turning, the outer peripheral face positioned at the part of the inner side of cylinder 35 in axis body 30 forms oriented radially projecting recess 307 in circumferential many places,
Cylinder 35 inner peripheral surface formed with the convex portion 359 for being embedded in recess 307, the angle formed with drawer at movable side spring holding section 355
The inner circumferential of scope is located at the position than leaning on radially inner side at the position for being circumferentially held on convex portion 359.In the present embodiment, convex portion
359 and recess 307 by along axis L directions extend in a manner of formed.In addition, in axis body 30, the region formed with recess 307
The both sides in axis L directions turn into the flange part 308,309 more prominent to radial outside than large-diameter portion 306.
The output shaft 3 forms cylinder 35 by insert-molding.Therefore, in axis body 30 from the part that cylinder 35 protrudes
In, it is located at relative to drawer at movable side spring holding section 355 in the adjacent part in axis L directions and is leaned on than drawer at movable side spring holding section 355
The position of radially inner side.More specifically, in axis body 30 positioned at the portion with 355 same angle position of drawer at movable side spring holding section
In point, formed with linear backoff portion 308a, 309a and flat keep out of the way in flange part 308,309 and large-diameter portion 306
Portion 306a, described backoff portion 306a, 308a, 309a are located at the position that radially inner side is leaned on than drawer at movable side spring holding section 355.Cause
This, during insert-molding, it is desirable to which the resin for forming large-diameter portion 306 and flange part 308,309 is not easy to flow into the engaging of drawer at movable side spring
Portion 355.
In this way, in the present embodiment, there is the output shaft 3 (equipment gear) for being connected to secondary spring 70 tooth 353 to be formed
The cylinder 35 being made of metal and the axis body 30 being formed from a resin for being connected to cylinder 35 in outer peripheral face, what is be made of metal
The drawer at movable side spring holding section 355 that cylinder 35 engages formed with the end 71 with secondary spring 70.It is therefore, even if long-term use of,
Because the position that the end 71 with secondary spring 70 in output shaft 3 abuts does not deform, therefore can be with stable state
Connect secondary spring 70.Therefore, the active force of secondary spring 70 is not susceptible to change.Also, because axis body 30 is formed from a resin,
Therefore lightweight can be realized and reduce cost etc. by having, and can realize the advantages that variously-shaped.
Also, in the present embodiment, because cylinder 35 is made of metal, therefore even if drawer at movable side spring holding section 355
It is connecting hole, connecting hole periphery also has enough intensity.
Also, the second arc sections 357 of tooth 353 are formed without because drawer at movable side spring holding section 355 is formed at, therefore nothing
By the size of tooth 353 or shape etc. how, the drawer at movable side spring holding section 355 that size etc. is suitable can be set.
Also, drawer at movable side spring holding section 355, tooth 353 and rotationally constrained portion 357a, 357b are overlapping in axis L directions
And the overlapping position of radius distance is arranged on, but because cylinder 35 is made of metal, therefore tooth 353 is not susceptible to deformation etc..
In addition, in the second arc sections 357, due to the radial direction of the angular range formed with drawer at movable side spring holding section 355
The circumferentially-adjacent position of thickness ratio is thick, therefore even if drawer at movable side spring holding section 355 is connecting hole, also can be on connecting hole periphery
Ensure enough wall thickness.Therefore, fit through sintering etc. and form cylinder 35.
Also, can also be using any one in multiple gears as the equipment gear for being connected to secondary spring 70.But
In the present embodiment, using output shaft 3 as the equipment gear for being connected to secondary spring 70.Therefore, because the rotation of equipment gear
Gyration scope is narrower, therefore is adapted to set secondary spring 70.
(structure of wire 95)
As shown in Fig. 2 (a), Fig. 2 (b), Fig. 2 (c) etc., in the present embodiment, relative to motor 40 in axis L directions
Side L1 is configured with train 50, the second housing parts 22 sensor support 225 relative to train 50 in axis L directions
Side is configured with the detection part 91 of the angle position of detection output shaft 3.In the present embodiment, detection part 91 is current potential
Meter, the axle 96 of the sensor gear 97 engaged with the small-diameter gear 542 of the 4th gear 54 are connected to detection part 91.Therefore, only
To pass through the angle position of the detection sensor gear 97 of detection part 91, it becomes possible to detect the angle position of output shaft 3.
In the present embodiment, the opposite side L2 of axle 96 end is formed on the branch of the inner side of sensor support 225
Board (omitting diagram) supporting is to rotate.Also, as shown in Fig. 5 (a), Fig. 5 (b), sensor support 225 formed with
The hole 227 of sensors configured gear 97, and the carrier 229 formed with supporting sensor substrate 92 around hole 227.Also,
In carrier 229 formed with the convex portion 229a positioned to sensor base plate 92.
Here, supplied due to being formed relative to motor 40 in opposite side L2 from the outside of housing 2 by substrate 48 to motor 40
The input and output portion 49 (connector) of outside electric and that the testing result at detection part 91 is output to housing 2, therefore need
Multiple conducting wires 95 are made to extend to input and output portion 49 from the sensor base plate 92 for being equiped with detection part 91.Therefore, in this reality
Apply in mode, during by between train 50 and housing 2 (the first housing parts 21), multiple conducting wires 95 is formed through in the 3rd
Extend between the next door 832 of bearing portion part 83 and housing 2 (the first housing parts 21).Therefore, between train 50 and multiple conducting wires 95
It there are next door 832.Here, the interval of the housing parts 21 of next door 832 and first is located at next door 832 and first than removing for wire 95
The outside dimension of the part outside part between housing parts 21 is small.Therefore, because wire 95 keeps next door 832 and first shell
Between body component 21, therefore wire 95 will not move accidentally.That is, covered around the cored wire of wire 95 by the insulating barrier of flexibility, such as
Shown in Fig. 2 (a), it is configured with after wire 95, if the first housing parts 21 of covering, the housing parts 21 of next door 832 and first
Between, the insulating barrier of wire 95 deforms, and is maintained between next door 832 and housing 2.
So, in the present embodiment, although configuring motor 40 and detection part 91 in opposite side clamping wheel system 50,
But the input and output portion 49 of motor 40 and detection part 91 is arranged at one.Therefore, easily and external electrical connections.Now,
Although wire 95 is by between train 50 and housing 2, due to there are next door 832 between wire 95 and train 50, therefore not
Wire 95 and the Gear Contact for train 50 easily occurs.
Also, because wire 95 is kept between next door 832 and housing 2, therefore because wire 95 will not move accidentally, because
This is not susceptible to wire 95 and the Gear Contact for train 50.
Also, because next door 832 is arranged on supporting motor 40 and the 3rd supporting member 83 of train 50, therefore must not
Add the part for setting next door 832.Also, the first housing parts 21 for housing 2 are in axis L directions and radial direction
Partly it is connected to the 3rd supporting member 83.Therefore, because can be to the 3rd supporting member 83 and (the first housing parts of housing 2
21) position, therefore next door 832 can be set in specified position relative to housing 2.
Also, in the present embodiment, relative to wire 95 from the position being circumferentially separated, next door 832 and next door 833
Between form jagged 838a, when from axis L directions, a part for the large diameter gear 521 of second gear 52 is located at breach
In 838a.Therefore, in the case of there is provided next door 832, due to the breach 838a in next door 832 being utilized as to configure gear
Position, also can be by gear motor 1 and the direction of axis L-orthogonal therefore in the case of there is provided next door 832
The increase of size is limited to minimum.
Now, it is possible to wire 95 occurs and is contacted with the large diameter gear 521 of second gear 52.Therefore, in present embodiment
In, in the outer rim of the second supporting member 82, wire 95 is determined by the wire surrounded by hamulus 829 and bending section 821s
Position portion 829a, so as to prevent wire 95 to be moved to breach 838a sides.
Here, because the convex portion that hamulus 829 is extended by the outer rim along the second supporting member 82 is formed, therefore wire is determined
Position portion 829a circumferential side (end side of hamulus 829) is in open state.Therefore, it is connected to test section in wire 95
After the side of part 91, wire 95 can pass through from wire location division 829a circumferential side (end side of hamulus 829)
Wire location division 829a inner side.
Also, in the present embodiment, in housing 2, formed in axis L directions from wire location division 829a to side L1
There is the convex portion 226 protruded in the periphery in the cylinder portion 221 of the second housing parts 22 towards radial outside.Here, convex portion 226 is from axis
When L directions are observed between sensor base plate 92 and wire location division 829a, therefore, when from axis L directions, sensing
Formed with guide portion 226a, the guide portion 226a it is in the side of convex portion 226 between device substrate 92 and wire location division 829a
L1 due to convex portion 226 caused stage portion and formed.Therefore, guide portion 226a draws to the direction intersected with axis L directions
Wire 95, suppress wire 95 and relax.Therefore, because unwanted movement does not occur for wire 95, therefore it is not easy and is located at breach
The large diameter gear 521 of second gear 52 in 838a contacts.
(other embodiment)
Fig. 9 (a), Fig. 9 (b) are the positioning for schematically illustrating the supporting member for applying another gear motor 1 of the present invention
The explanation figure of structure, Fig. 9 (a), Fig. 9 (b) are the explanation figure of variation 1 and the explanation figure of variation 2 respectively.
In the above-described embodiment, by being formed at 815,816 pairs of the shared locator protrusions of the first supporting member 81
Second supporting member 82 and the 3rd supporting member 83 position, but as shown in Fig. 9 (a), can also pass through the first supporting member 81
Locator protrusions 815 first supporting member 81 and the second supporting member 82 are positioned, dashed forward by the positioning of the first supporting member 81
816 pair of first supporting member 81 is played to position with the 3rd supporting member 83.
Also, in the above-described embodiment, to the second supporting member 82 and the 3rd on the basis of the first supporting member 81
Supporting member 83 positions, but can also as shown in Fig. 9 (b), on the basis of the second supporting member 82 to the first supporting member 81 with
And the 3rd supporting member 83 position.Specifically, the locator protrusions 825e of the second supporting member 82 can also be embedded in first
The positioning hole 815e of supporting member 81 positions to the first supporting member 81 and the second supporting member 82, by the second supporting member 82
Locator protrusions 825f be embedded in the positioning hole 835f of the 3rd supporting member 83 and come to the second supporting member 82 and the 3rd support
Part 83 positions.
In addition, in the above-described embodiment, in three supporting members, from the side L1 in axis L directions to opposite side L2
It is configured with the first supporting member 81, the second supporting member 82 and the 3rd supporting member 83, but can also be from axis L directions
Opposite side L2 is configured with the situation of the first supporting member 81, the second supporting member 82 and the 3rd supporting member 83 to side L1
Under, using above-mentioned location structure.
Claims (5)
1. a kind of gear motor, it is characterised in that the gear motor includes：
Motor；
First supporting member, for output shaft towards the outside prominent of first supporting member, the output shaft passes through the motor
Rotate and driven；
Second supporting member, second supporting member in a manner of overlapping with first supporting member in the axial direction with
First supporting member is opposed；
3rd supporting member, the 3rd supporting member relative to second supporting member with the first supporting member phase
Anti- side is opposed, and the 3rd supporting member is fixed with the motor；And
The rotation of the motor is delivered to the output shaft by deceleration train, the deceleration train,
The deceleration train comprises at least：E axle supporting in first supporting member and second supporting member and with it is described defeated
Shaft meshed gears；E axle supporting is in second supporting member and the 3rd supporting member and small with the motor of the motor
Gear meshed gears；And e axle supporting in first supporting member and the 3rd supporting member with will be small with the motor
The rotation of the gear of gear engagement is delivered to the gear of the gear engaged with the output shaft,
In first supporting member, second supporting member and the 3rd supporting member, first support
Any one supporting member in part and second supporting member is in first supporting member and the 3rd supporting member institute
There is location division on position at the two of the both sides of the axle of supporting, the location division is relative to the orthogonal direction of axis direction
Another two supporting member is positioned.
2. gear motor according to claim 1, it is characterised in that
The deceleration train includes the axle relative to another gear in the overlapping gear of axis direction.
3. gear motor according to claim 1 or 2, it is characterised in that
First supporting member has the location division.
4. gear motor according to claim 3, it is characterised in that
First supporting member is provided with affixed side spring holding section, the affixed side spring holding section with by the output
The end engaging of the secondary spring of the one side direction force in axial-rotation direction.
A kind of 5. automatic shutter unit, it is characterised in that
The automatic shutter unit has the gear motor any one of Claims 1-4,
Lid material is connected with the output shaft.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014137230A JP6456059B2 (en) | 2014-07-02 | 2014-07-02 | Geared motor and automatic switching unit |
| JP2014-137230 | 2014-07-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105322712A CN105322712A (en) | 2016-02-10 |
| CN105322712B true CN105322712B (en) | 2017-12-26 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520454158.6U Active CN204696862U (en) | 2014-07-02 | 2015-06-29 | Gear motor and automatic shutter unit |
| CN201510367415.7A Active CN105322712B (en) | 2014-07-02 | 2015-06-29 | Gear motor and automatic shutter unit |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520454158.6U Active CN204696862U (en) | 2014-07-02 | 2015-06-29 | Gear motor and automatic shutter unit |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6456059B2 (en) |
| CN (2) | CN204696862U (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6456059B2 (en) * | 2014-07-02 | 2019-01-23 | 日本電産サンキョー株式会社 | Geared motor and automatic switching unit |
| JP2020039206A (en) * | 2018-09-04 | 2020-03-12 | 日本電産サンキョー株式会社 | Geared motor |
| JP7320367B2 (en) * | 2019-03-28 | 2023-08-03 | ニデックインスツルメンツ株式会社 | Opening/closing member driving device |
| JP7309409B2 (en) * | 2019-03-28 | 2023-07-18 | ニデックインスツルメンツ株式会社 | Opening/closing member driving device |
| JP7325304B2 (en) * | 2019-11-13 | 2023-08-14 | ニデックインスツルメンツ株式会社 | Opening/closing member driving device and toilet lid opening/closing unit |
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| CN204696862U (en) * | 2014-07-02 | 2015-10-07 | 日本电产三协株式会社 | Gear motor and automatic shutter unit |
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| US2777027A (en) * | 1951-10-19 | 1957-01-08 | Bendix Aviat Corp | Electrical actuator |
| US4260918A (en) * | 1978-12-18 | 1981-04-07 | Reliance Electric Company | Explosion proof submersible gearmotor |
| JP2006180663A (en) * | 2004-12-24 | 2006-07-06 | Sanyo Electric Co Ltd | Geared motor with optical detector |
| JP6059506B2 (en) * | 2012-10-22 | 2017-01-11 | 日本電産サンキョー株式会社 | Geared motor |
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|---|---|---|---|---|
| US2960201A (en) * | 1959-04-13 | 1960-11-15 | Controls Co Of America | Direction controlling means for selfstarting synchronous motors |
| US3211933A (en) * | 1962-03-09 | 1965-10-12 | Kohlhagen Walter | Self-starting synchronous motor |
| CN2260195Y (en) * | 1996-05-08 | 1997-08-20 | 罗岳芳 | Electric motor with electromagnetic speed control and gear reduction |
| CN2286939Y (en) * | 1997-01-09 | 1998-07-29 | 王德惠 | Speed-reducing moment motor |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105322712A (en) | 2016-02-10 |
| JP6456059B2 (en) | 2019-01-23 |
| CN204696862U (en) | 2015-10-07 |
| JP2016015841A (en) | 2016-01-28 |
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