CN204120930U

CN204120930U - Electric opening and closing device

Info

Publication number: CN204120930U
Application number: CN201420532255.8U
Authority: CN
Inventors: 宫下敏臣
Original assignee: Sankyo Seiki Manufacturing Co Ltd
Current assignee: Nidec Instruments Corp
Priority date: 2013-09-25
Filing date: 2014-09-16
Publication date: 2015-01-28
Anticipated expiration: 2024-09-16
Also published as: JP2015063856A; JP6282829B2

Abstract

A kind of electric opening and closing device, it is when being installed on equipment by screw by housing, even if the fastening amount change of screw, also can suppress the pivot axis run-off the straight of output block.In electric opening and closing device, the first installed surface and multiple first fastened by screw portion is provided with on the surface of the side of the Z-direction of housing, multiple first screws for housing being fixed on equipment are anchored on multiple first fastened by screw portion from the direction of the pivot axis being parallel with output block respectively, and the first installed surface is orthogonal with pivot axis.And, also the second installed surface and multiple second fastened by screw portion is provided with on the surface of the opposite side of the Z-direction of housing, multiple second screws for housing being fixed on equipment are anchored on multiple second fastened by screw portion from the direction of the pivot axis being parallel with output block respectively, and the second installed surface is orthogonal with pivot axis.

Description

Electric opening and closing device

Technical field

The utility model relates to a kind of drive force output block by motor and carries out the electric opening and closing device of on-off action.

Background technology

As carrying out the electric opening and closing device of on-off action by the drive force output block of motor, such as propose a kind of toilet lid toilet seat opening and closing device making toilet seat and toilet lid carry out on-off action, in described electric opening and closing device, motor and output block are held in the inner side of housing.

And, propose a kind of when electric opening and closing device is installed on various equipment, screw is anchored on the structure (Japanese Laid-Open Patent No. 11-76105 publication) of the housing part overlapping with the framework of equipment from the direction that the pivot axis with output block is orthogonal.

But, from the direction holding screw orthogonal with the pivot axis of output block and when housing is installed on various equipment, there are the following problems: cause electric opening and closing device run-off the straight due to the fastening amount of screw, thus make the pivot axis run-off the straight of output block.Being tilted in of this output block to become unnecessary load or action bad reason when carrying out on-off action, therefore said structure is not preferred.

Utility model content

In view of above problem, problem of the present utility model is to provide a kind of when housing being installed on equipment by screw, even if the fastening amount change of screw, also can suppress the electric opening and closing device of the pivot axis run-off the straight of output block.

In order to solve above-mentioned problem, the feature of electric opening and closing device of the present utility model is, described electric opening and closing device comprises: motor; Output block, the rotation of described motor is passed to described output block; And housing, described motor and described output block are held in the inner side of described housing, in described housing, the surface of the side of the bearing of trend of the pivot axis by described output block is provided with the first installed surface and multiple first fastened by screw portion, for described housing is fixed on equipment multiple first screws respectively from the direction with described pivot axis being parallel or be anchored on described multiple first fastened by screw portion relative to the direction that described pivot axis tilts, described first installed surface is orthogonal with described pivot axis.

In the utility model, when housing being installed on equipment by screw, because the surface of the side of the bearing of trend of the pivot axis by output block at housing is provided with the first installed surface and multiple first fastened by screw portion, multiple first screw is anchored on multiple first fastened by screw portion from the direction of the pivot axis being parallel with output block or relative to the direction that pivot axis tilts respectively, first installed surface is orthogonal with pivot axis, even if the therefore fastening amount change of the first screw, the posture of housing also can be specified by the first installed surface orthogonal with pivot axis.Therefore, even if the fastening amount change of the first screw, the pivot axis run-off the straight of the posture of housing, i.e. output block can also be suppressed.

In the utility model, the surface of the side of the bearing of trend of the pivot axis by described output block in preferred described multiple first fastened by screw portion forms a part for described first installed surface.If according to this structure, even if the fastening amount change of then the first screw, the posture of housing also reliably can be specified by the first installed surface orthogonal with pivot axis, therefore, it is possible to suppress the pivot axis run-off the straight of output block.

In the utility model, preferred described multiple first fastened by screw portion comprises two the first fastened by screw portions, described two the first fastened by screw portions are different from the distance of described output block on the length direction orthogonal with described pivot axis of described housing separately, and described two the first distances of fastened by screw portion on described length direction are than the first fastened by screw portion close to described output block in described two the first fastened by screw portions and the distance of described output block on described length direction.If according to this structure, then because two the first fastened by screw portions are separated by enough distances, therefore, it is possible to housing is reliably fixed as suitable posture.

In the utility model, preferred described output block can export rotation from these both sides of opposite side of the bearing of trend of the side of the bearing of trend of described pivot axis and described pivot axis, in described housing, the surface of the opposite side of the bearing of trend of the pivot axis by described output block is provided with the second installed surface and multiple second fastened by screw portion, for described housing is fixed on equipment multiple second screws respectively from the direction with described pivot axis being parallel or be anchored on described multiple second fastened by screw portion relative to the direction that described pivot axis tilts, described second installed surface is orthogonal with described pivot axis.If according to this structure, then which the side holder housing no matter in the side and opposite side of the bearing of trend of the pivot axis of output block, can both export rotation.Further, when by the second screw stationary housing, even if the fastening amount change of the second screw, the pivot axis run-off the straight of the posture of housing, i.e. output block can also be suppressed.

In the utility model, the surface of the opposite side of the bearing of trend of the pivot axis by described output block in preferred described multiple second fastened by screw portion forms a part for described second installed surface.If according to this structure, even if then due to the fastening amount change of the second screw, the posture of housing also reliably can be specified by the second installed surface orthogonal with pivot axis, therefore, it is possible to suppress the pivot axis run-off the straight of output block.

In the utility model, preferred described multiple second fastened by screw portion comprises two the second fastened by screw portions, described two the second fastened by screw portions are different from the distance of described output block on the length direction orthogonal with described pivot axis of described housing separately, and described two the second distances of fastened by screw portion on described length direction are than the second fastened by screw portion close to described output block in described two the second fastened by screw portions and the distance of described output block on described length direction.If according to this structure, then because two the second fastened by screw portions are separated by enough distances, therefore, it is possible to housing is reliably fixed as suitable posture.

In the utility model, preferred described housing comprises: the first housing parts being fixed with the outlet side end of the main part of described motor; At the second housing parts that the side of the bearing of trend of the pivot axis of described output block is opposed with this first housing parts; And at the opposite side of the bearing of trend of the pivot axis of described output block three housing parts opposed with described first housing parts, described output block is by described first housing parts supporting for rotating, and described first fastened by screw portion is arranged at described first housing parts.If according to this structure, then under the state the first housing parts being fixed on equipment by the first fastened by screw portion, can with suitable posture configuration output block.

In the utility model, preferred described housing comprises: the first housing parts being fixed with the outlet side end of the main part of described motor; At the second housing parts that the side of the bearing of trend of the pivot axis of described output block is opposed with this first housing parts; And at the opposite side of the bearing of trend of the pivot axis of described output block three housing parts opposed with described first housing parts, described output block is supported as rotating by described first housing parts and described 3rd housing parts, described first fastened by screw portion is arranged at described first housing parts, and described second fastened by screw portion is arranged at described 3rd housing parts.Form if so, then under the state the 3rd housing parts being fixed on equipment by the second fastened by screw portion, can with suitable posture configuration output block.

In the utility model, preferably described first fastened by screw portion is made up of the cylinder portion outstanding to the opening portion of described second housing parts from described first housing parts.Form if so, then can easily make the side of the bearing of trend of the pivot axis of the first fastened by screw portion from the second housing parts to output block expose.

In the utility model, the inside of preferred described housing comprises: the rotation of described motor slowed down and be passed to the deceleration train of described output block, detect the rotation detection portion of the position of rotation of described output block, and the rotation of this gear is passed to the rotation detection driven gear of described rotation detection portion with a certain gears meshing in multiple gears of using in described deceleration train, described first housing parts or described 3rd housing parts are provided with the limiting unit specified the stop position of described output block, in described deceleration train, supported as rotating by described first housing parts and described 3rd housing parts by the direct geared of outlet side or by bolster than described rotation detection driven gear, described rotation detection portion is configured between described first housing parts and described second housing parts.If according to this structure, then when assembling electric opening and closing device, under the state that the second housing parts is not set, the state of position output block being stopped at specify can be coordinated, aim at the gear of the outlet side of deceleration train and rotate the position of detection driven gear, therefore, it is possible to easily set the reference position (origin position) of rotation detection portion.

In the utility model, preferably described first housing parts and described second housing parts are located by the Qian He between described first fastened by screw portion and described opening portion, and described rotation detection driven gear directly or by described bolster is supported as rotating by described first housing parts and described second housing parts.If according to this structure, then owing to suitably can be located the first housing parts and the second housing parts by the Qian He between the first fastened by screw portion and opening portion, therefore rotating detection driven gear can with suitable posture directly or be supported in the first housing parts and the second housing parts by bolster.

In the utility model, the large diameter gear of the first gear engaged with motor pinion in preferred described rotation detection driven gear and described deceleration train is configured between described first housing parts and described second housing parts.If according to this structure, then because the first gear arrangement is between the first housing parts and the second housing parts, therefore, it is possible to reduce the size (gauge) of housing on the bearing of trend of pivot axis.

Utility model effect

In the utility model, because the surface of the side of the bearing of trend of the pivot axis by output block at housing is provided with the first installed surface and multiple first fastened by screw portion, multiple first screw is anchored on multiple first fastened by screw portion from the direction of the pivot axis being parallel with output block or relative to the direction that pivot axis tilts respectively, first installed surface is orthogonal with pivot axis, even if the therefore fastening amount change of the first screw, the posture of housing also can be specified by the first installed surface orthogonal with pivot axis.Therefore, even if the fastening amount change of the first screw, the pivot axis run-off the straight of the posture of housing, i.e. output block can also be suppressed.

Accompanying drawing explanation

Fig. 1 is the key diagram being equiped with the Western-style toilet applying electric opening and closing device of the present utility model.

Fig. 2 (a), Fig. 2 (b) are the stereograms applying electric opening and closing device of the present utility model.

Fig. 3 (a), Fig. 3 (b) are the side views applying electric opening and closing device of the present utility model.

Fig. 4 (a), Fig. 4 (b) are at the key diagram applying the deceleration train that uses in electric opening and closing device of the present utility model etc.

Fig. 5 (a), Fig. 5 (b) are the exploded views applying electric opening and closing device of the present utility model.

Fig. 6 (a), Fig. 6 (b) are at the stereogram applying the first housing parts used in electric opening and closing device of the present utility model.

Fig. 7 (a) ~ Fig. 7 (c) is the key diagram of the structure of the opposite side illustrated in the Z-direction applying the second housing parts used in electric opening and closing device of the present utility model.

Fig. 8 (a), Fig. 8 (b) are the stereograms being arranged at the deceleration train applying electric opening and closing device of the present utility model.

Fig. 9 (a), Fig. 9 (b) are the stereograms of the second gear being arranged at the deceleration train applying electric opening and closing device of the present utility model.

Figure 10 is at the sectional view applying the structure shown in electric opening and closing device of the present utility model between rotation detection portion and the first gear.

(symbol description)

1 electric opening and closing device;

2 motors;

3 output blocks;

4 deceleration trains;

5 housings;

7 rotation detection portion;

9 next doors;

24 motor pinions;

41 first gears;

42 second gears;

43 the 3rd gears;

44 the 4th gears;

51 first housing parts;

52 second housing parts;

53 the 3rd housing parts;

70 rotate detection driven gear;

72 potentiometers;

171,172 first screws;

181,182 second screws;

411 large diameter gears;

511x, 511y first fastened by screw portion;

531x, 531y second fastened by screw portion;

537 limiting units;

550 first installed surfaces;

560 second installed surfaces;

The pivot axis of L output block.

Detailed description of the invention

Below, be described with reference to the electric opening and closing device of accompanying drawing to embodiment of the present utility model.In the following description, for convenience of explanation, mutually orthogonal direction is set to X-direction, Y-direction and Z-direction, and direction parallel for the pivot axis L with output block is set to Z-direction to be described.Further, the length direction (above-below direction) of electric opening and closing device is set to Y-direction, the width (horizontal direction) of electric opening and closing device is set to X-direction.Further, the side of X-direction is set to X1, the opposite side of X-direction is set to X2, the side of Y-direction is set to Y1, the opposite side of Y-direction is set to Y2, the side of Z-direction is set to Z1, the opposite side of Z-direction is set to Z2.Further, the direction that the pivot axis L of output block extends is set to Z-direction to be described.Further, the side in the direction extended by the pivot axis L of output block is set to L1, and opposite side is set to L2.Further, the side L1 in direction extend the pivot axis L of output block and the side Z1 of Z-direction is set to same direction, and the opposite side L2 in direction extended by pivot axis L and the opposite side Z2 of Z-direction is set to same direction.

(explanation of Western-style toilet)

Fig. 1 is the key diagram being equiped with the Western-style toilet applying electric opening and closing device of the present utility model.Western-style toilet 100 shown in Fig. 1 comprises toilet main body 110, covers the toilet seat 120 of toilet main body 110, the toilet lid 130 covering toilet seat 120 and water tank 140 etc.Be respectively arranged with electric opening and closing device 1 in toilet seat 120 and toilet lid 130, toilet seat 120 and toilet lid 130 are driven by the output block described later of electric opening and closing device 1 and rotate around pivot axis L.In addition, also sometimes electric opening and closing device 1 is only arranged at the one in toilet seat 120 and toilet lid 130, or only electric opening and closing device 1 is set in toilet seat 120, by toilet seat 120 toilet lid 130 switched to from closed posture and open posture.

(overall structure of electric opening and closing device 1 and fixed structure)

Fig. 2 (a), Fig. 2 (b) are the stereograms applying electric opening and closing device 1 of the present utility model, and Fig. 2 (a), Fig. 2 (b) observe the stereogram of electric opening and closing device 1 from the side Z1 of Z-direction and observe the stereogram of electric opening and closing device 1 from the opposite side Z2 of Z-direction.Fig. 3 (a), Fig. 3 (b) are the side views applying electric opening and closing device 1 of the present utility model, and Fig. 3 (a), Fig. 3 (b) observe the side view of electric opening and closing device 1 from the opposite side X2 of X-direction and observe the side view of electric opening and closing device 1 from the side X1 of X-direction.

Fig. 4 (a), Fig. 4 (b) are at the key diagram applying the deceleration train that uses in electric opening and closing device 1 of the present utility model etc., and Fig. 4 (a), Fig. 4 (b) are sectional view when observing the top view of deceleration train etc. from the side Z1 of Z-direction and cut off electric opening and closing device 1 along the gear centre etc. of deceleration train respectively.That is, Fig. 4 (b) is sectional view when cutting off electric opening and closing device 1 along position Po-Pb-Pd-Pe-Pf-Pg-Ph in z-direction along the gear centre etc. of deceleration train.

As shown in Fig. 2 (a), Fig. 2 (b), Fig. 3 (a), Fig. 3 (b) and Fig. 4 (a), Fig. 4 (b), the electric opening and closing device 1 of the manner roughly comprises: motor 2; Output block 3, the rotation of motor 2 is passed to this output block 3; And motor 2 and output block 3 are held in the housing 5 of inner side.Further, the electric opening and closing device 1 of the manner comprises and the rotation of motor 2 to be slowed down and to be passed to the deceleration train 4 of output block 3, and motor 2, output block 3 and deceleration train 4 are held in inner side by housing 5.Motor 2 comprises: the main part 21 being configured with stator; And from the motor drive shaft 22 that the end 210 of the side Z1 of the Z-direction of main part 21 is given prominence to.Motor pinion 24 is connected with at motor drive shaft 22.

Housing 5 comprises: the first housing parts 51; The first housing parts 51 is covered and second housing parts 52 opposed with the first housing parts 51 from the side Z1 of Z-direction; And cover the first housing parts 51 and three housing parts 53 opposed with the first housing parts 51 from the opposite side Z2 of Z-direction.In other words, housing 5 comprises: the first housing parts 51 being fixed with the outlet side end (end 210 of the side Z1 of Z-direction) of the main part 21 of motor 2; At the second housing parts 52 that the side Z1 of Z-direction is opposed with the first housing parts 51; And at the opposite side Z2 of Z-direction three housing parts 53 opposed with the first housing parts 51.In housing 5, the first housing parts 51, second housing parts 52 and the 3rd housing parts 53 connect by being anchored on the screw 504 of end.In the manner, the first housing parts 51, second housing parts 52 and the 3rd housing parts 53 are all formed from a resin.Such as, first housing parts 51 and the 3rd housing parts 53 are made up of polybutylene terephthalate (PBT) (PBT:polybutylene terephthalate) resin containing glass fibre, and the second housing parts 52 is made up of acrylonitrile-butadiene-styrene copolymer (ABS:Acrylonitrile butadiene Styrene) resin.

Output block 3 is made up of the cartridge extended along Z-direction, comprises first portion 31, the diameter flange part 32 larger than the diameter in first portion 31 and the diameter second tin portion 33 less than the diameter in first portion 31 from the side Z1 of Z-direction towards opposite side Z2.Be formed and the final-stage gear of deceleration train 4 (the 4th gear 44) meshed gears 320 at the outer peripheral face of flange part 32.

In the manner, output block 3 can export from the side L1 of pivot axis L and this both direction of opposite side L2 and rotate.In other words, output block 3 can export from this both direction of opposite side L2 of the bearing of trend of the side L1 of the bearing of trend of pivot axis L and pivot axis L and rotate.More particularly, be formed with the first connection recess 310 of the side Z1 opening to Z-direction in first portion 31, drive the driving shaft 150 of the toilet seat shown in Fig. 1 and toilet lid to be embedded in the first connection recess 310 from the side Z1 of Z-direction.Now, as shown in Fig. 3 (a), under the state that the framework 170 making the surface 501 of the side Z1 of the Z-direction of housing 5 with Western-style toilet 100 abuts, be made up of self-tapping screw two the first screws 171,172 are anchored on framework 170 and housing 5 from the side Z1 of Z-direction, thus housing 5 is fixed on framework 170.

Being formed with the second connection recess 330 of the opposite side Z2 opening to Z-direction in second portion 33, can being embedded into driving the driving shaft 160 of the toilet seat shown in Fig. 1 and toilet lid in the second connection recess 330 from the opposite side Z2 of Z-direction.In the manner, the first connection internal diameter of recess 310 connects with the internal diameter of recess 330 large than second.Therefore, it is possible to select driving shaft to be connected to the first connection according to the outside dimension of driving shaft, to connect with in recess 330 with recess 310 and second some.When driving shaft 160 is embedded in the second connection recess 330, as shown in Fig. 3 (b), under the state that the framework 180 making the surface 502 of the opposite side Z2 of the Z-direction of housing 5 with Western-style toilet 100 abuts, be made up of self-tapping screw two the second screws 181,182 are anchored on framework 180 and housing 5 from the opposite side Z2 of Z-direction, thus housing 5 is fixed on framework 180.

In addition, as as shown in Fig. 3 (a), driving shaft 150 is embedded into use in the first connection recess 310 time, under the state that also can abut at the framework 180 making the surface 502 of the opposite side Z2 of the Z-direction of housing 5 with Western-style toilet 100 as shown in Fig. 3 (b), be made up of self-tapping screw two the second screws 181,182 are anchored on framework 180 and housing 5 from the opposite side Z2 of Z-direction, thus housing 5 is fixed on framework 180.And, as as shown in Fig. 3 (b), driving shaft 160 is embedded into use in the second connection recess 330 time, under the state that also can abut at the framework 170 making the surface 501 of the side Z1 of the Z-direction of housing 5 with Western-style toilet 100 as shown in Fig. 3 (a), be made up of self-tapping screw two the first screws 171,172 are anchored on framework 170 and housing 5 from the side Z1 of Z-direction, thus housing 5 is fixed on framework 170.

(detailed construction of the first housing parts 51)

Fig. 5 (a), Fig. 5 (b) are the exploded views applying electric opening and closing device 1 of the present utility model, and Fig. 5 (a), Fig. 5 (b) observe the exploded view of the state take off the second housing parts 52 electric opening and closing device 1 after from the side Z1 of Z-direction and observe the exploded view of the state take off the second housing parts 52 and the 3rd housing parts 53 electric opening and closing device 1 after from the side Z1 of Z-direction.Fig. 6 (a), Fig. 6 (b) are at the stereogram applying the first housing parts 51 used in electric opening and closing device 1 of the present utility model, and Fig. 6 (a), Fig. 6 (b) observe the stereogram of the first housing parts 51 from the side Z1 of Z-direction and observe the exploded view of the first housing parts 51 from the opposite side Z2 of Z-direction.

As shown in Fig. 4 (a), Fig. 4 (b), Fig. 5 (a), Fig. 5 (b) and Fig. 6 (a), Fig. 6 (b), the first housing parts 51 comprises: the plate-like portion 511 extended towards the mode of Z-direction along Y-direction to make thickness direction; Be arranged on the outside cylindrical portion 512 of the end being positioned at the opposite side Y2 of Y-direction relative to plate-like portion 511; And the side plate 513 to be formed along the end of plate-like portion 511.The end of the opposite side Z2 of the Z-direction in outside cylindrical portion 512 becomes open end, and is formed with base plate 514 in the end of the side Z1 of the Z-direction of outside cylindrical portion 512.The opening portion 514a of circle overlapping with the first connection recess 310 of output block 3 on pivot axis L direction is formed in base plate 514.

In the first housing parts 51, extend towards the opposite side Z2 of Z-direction from position slightly by outer circumferential side of the opening edge of the opening portion 514a than base plate 514 with the inside cylindrical portion 515 of outside cylindrical portion 512 coaxial, output block 3 is supported as rotating by first portion 31 by inside cylindrical portion 515.Opposed with the stage portion 325 be formed between flange part 32 with first portion 31 by the end of the opposite side Z2 of the Z-direction in inside cylindrical portion 515, restriction output block 3 moves to the side Z1 of Z-direction.

The end of the opposite side Z2 of the Z-direction in inside cylindrical portion 515 becomes open end, is formed with the groove 512a of the opposite side Z2 opening to Z-direction between outside cylindrical portion 512 and inside cylindrical portion 515 in mode circumferentially.The force application part 6 of the ring-type shown in Fig. 4 is configured with at groove 512a.In the manner, force application part 6 is the secondary springs formed by helical spring, and its one end is connected with output block 3, and the other end is connected with the first housing parts 51.Therefore, when output block 3 rotates around pivot axis L, force application part 6 is reversed.Therefore, if the helical spring of force application part 6 is connected with output block 3 and the first housing parts 51 under the state reversed to a direction, then force application part 6 produces resistance when output block 3 rotates to a direction, and produces active force when output block 3 rotates to other direction.Therefore, such as, the toilet seat 120 shown in Fig. 1 and toilet lid 130 from erect posture switch to calm posture time, resistance can be produced by force application part 6, and toilet seat 120 and toilet lid 130 from calm posture switch to erect posture time, active force can be produced by force application part 6.Therefore, it is possible to switch the posture of toilet seat 120 and toilet lid 130 smoothly.Further, the state that toilet seat 120 and toilet lid 130 erect oneself can also be kept.In addition, at the inner peripheral surface of outside cylindrical portion 512, be formed with the ribbed teat 512c extended along Z-direction at the position, many places of circumference, ribbed teat 512c become helical spring as force application part 6 expanding time incorporating section.

The side Y1 of the Y-direction in the plate-like portion 511 of the first housing parts 51 is formed with hole 511a, 511b for holding screw 291,292, and described screw 291,292 passing hole 511a, 511b are anchored on the end 210 of the side Z1 of the Z-direction of the main part 21 of motor 2.Therefore, motor 2 is fixed on the first housing parts 51, and motor drive shaft 22 is outstanding to the side Z1 of Z-direction from the hole 511c of the plate-like portion 511 of the first housing parts 51.Motor pinion 24 is connected with at motor drive shaft 22.

As shown in Fig. 6 (a), Fig. 6 (b), in plate-like portion 511, be formed with opening portion 511e in the substantial middle position of X-direction and Y-direction, be formed with the diameter opening portion 511f larger than the diameter of opening portion 511e relative to opening portion 511e opposite side Y2 in the Y direction.Further, in plate-like portion 511, the position that opposite side Y2 is in the Y direction adjacent with opening portion 511f is formed with the hole 511r towards the side Z1 of Z-direction.

Further, at the opposite side Z2 of the Z-direction of plate-like portion 511, arm 511g is being formed with opening portion 511f in the position that the opposite side Z2 of Z-direction is overlapping.Arm 511g, at the location bending overlapping with the center of opening portion 511f, is formed with the axis hole 511h of the side Z1 opening to Z-direction at described sweep 511i.In the root of arm 511g divides, be formed with the cylinder portion 511s of the opposite side Z2 opening to Z-direction at the opposite side Z2 of Z-direction, be formed with the cylinder portion 511t of the opposite side Z2 opening to Z-direction at the end section of arm 511g.

In the surface of the opposite side Z2 of the Z-direction of plate-like portion 511, be formed with the cylinder portion 511u of the opposite side Z2 opening to Z-direction in the position adjacent with opening portion 511e, 511f.Further, in the surface of the opposite side Z2 of the Z-direction of plate-like portion 511, the position that opposite side Y2 is in the Y direction adjacent with opening portion 511f is formed with the cylinder portion 511v of the opposite side Z2 opening to Z-direction.

(structure in the first fastened by screw portion)

In the surface of the side Z1 of the Z-direction of plate-like portion 511, the side Z1 be formed in the position that the side X1 of X-direction is adjacent with opening portion 511f to Z-direction is the first outstanding fastened by screw portion 511x of tubular, and the side Z1 be formed in the position that the opposite side X2 of X-direction is adjacent with hole 511c to Z-direction is the first outstanding fastened by screw portion 511y of tubular.As shown in Fig. 3 (a), first fastened by screw portion 511x, 511y is the part of fastening first screw 171,172 when electric opening and closing device 1 being fixed on framework 170.In addition, the first fastened by screw portion 511y is connected by ribs 511z with side plate 513.

The surface of the side Z1 of the Z-direction of first fastened by screw portion 511x, 511y is positioned at the same position of Z-direction, forms a part for the first installed surface 550 (with reference to Fig. 3 (a), Fig. 3 (b)) described later.

(detailed construction of the 3rd housing parts 53)

In Fig. 2 (b), Fig. 3 (a), Fig. 3 (b), Fig. 4 (a), Fig. 4 (b) and Fig. 5 (a), Fig. 5 (b), the 3rd housing parts 53 comprises: the plate-like portion 531 extended towards the mode of Z-direction along Y-direction to make thickness direction; Be arranged on the outside cylindrical portion 532 of the end being positioned at the opposite side Y2 of Y-direction relative to plate-like portion 531; And the side plate 533 to be formed along the end of plate-like portion 531, the shape that side plate 533 erects in the side Z1 from the end of plate-like portion 531 to Z-direction.The end of the side Z1 of the Z-direction in outside cylindrical portion 532 becomes open end, and is formed with base plate 534 in the end of the opposite side Z2 of the Z-direction of outside cylindrical portion 532.The opening portion 534a of the circle overlapping on pivot axis L direction with the second connection recess 330 of output block 3 is formed in base plate 534.

In the base plate 534 (with reference to Fig. 4 (b)) of the 3rd housing parts 53, extend towards the side Z1 of Z-direction slightly by the position of outer circumferential side from the opening edge than opening portion 534a with the inside cylindrical portion 535 of outside cylindrical portion 532 coaxial, output block 3 is supported as rotating by second portion 33 by inside cylindrical portion 535.Opposed with flange part 32 by the end of the side Z1 of the Z-direction in inside cylindrical portion 535, restriction output block 3 moves to the opposite side Z2 of Z-direction.

The end of the side Z1 of the Z-direction in inside cylindrical portion 535 becomes open end.Therefore, between outside cylindrical portion 532 and inside cylindrical portion 535, the groove of the side Z1 opening to Z-direction is formed in mode circumferentially.In the inside of groove, be formed with the tabular connecting portion 536 of the reinforcement connecting outside cylindrical portion 532 and inside cylindrical portion 535 at the position, many places of circumference.

In the 3rd housing parts 53, be formed with the limiting unit 537 (with reference to Fig. 5 (b)) more outstanding to the side Z1 of Z-direction than tabular connecting portion 536 at two places be separated in the circumferential of the inside of groove, and be formed with the protuberance 327 (with reference to Fig. 8 (a)) outstanding to the opposite side Z2 of Z-direction at a place of the circumference of the flange part 32 of output block 3.Therefore, the rotation of output block 3 is limited in the angular range (being clipped in the angular range between two limiting units 537) till protuberance 327 and two limiting units 537 interfere.

In the plate-like portion 531 of the 3rd housing parts 53, the surface of side Y1 is in the Y direction formed with the recess 531c of the circle of the end (end of the opposite side Z2 of Z-direction) of the output opposition side of the main part 21 for receiving motor 2.In the surface of the side Y1 of the Y-direction of plate-like portion 531, be formed with the cylinder portion 531e of the opening portion of the side Z1 opening had to Z-direction relative to recess 531c opposite side Y2 in the Y direction, cylinder portion 531e is by outstanding for through for the opening portion 511e of the plate-like portion 511 being formed at the first housing parts 51 and from side Z1 from plate-like portion 511 to Z-direction (with reference to Fig. 4 (b)).In the surface of the side Z1 of the Z-direction of plate-like portion 531, the position that opposite side Y2 is in the Y direction adjacent with cylinder portion 531e is formed with the cylinder portion 531u of the side Z1 opening to Z-direction, and cylinder portion 531u is overlapping at the opposite side Z2 of Z-direction with the cylinder portion 511u of the plate-like portion 511 being formed at the first housing parts 51.In the surface of the opposite side Z2 of the Z-direction of plate-like portion 531, become protuberance 531s with cylinder portion 531u in the position that Z-direction is overlapping.

In the surface of the side Z1 of the Z-direction of plate-like portion 531, be formed with the cylinder portion 531t of the side Z1 opening to Z-direction in the position that the opposite side X2 of X-direction is adjacent with cylinder portion 531u, cylinder portion 531t is overlapping at the opposite side Z2 of Z-direction with the cylinder portion 511t of the plate-like portion 511 being formed at the first housing parts 51.In the surface of the side Z1 of the Z-direction of plate-like portion 531, the position that opposite side Y2 is in the Y direction adjacent with cylinder portion 531t is formed with the cylinder portion 531v of the side Z1 opening to Z-direction, and cylinder portion 531v is overlapping at the opposite side Z2 of Z-direction with the cylinder portion 511v of the plate-like portion 511 being formed at the first housing parts 51.In the surface of the opposite side Z2 of the Z-direction of plate-like portion 531, become protuberance 531r with cylinder portion 531v in the position that Z-direction is overlapping.

In the surface of the side Z1 of the Z-direction of plate-like portion 531, the position adjacent with cylinder portion 531v at the opposite side X2 of X-direction is formed to the outstanding cylindrical portion 531m of the side Z1 of Z-direction, is formed with protuberance 531n at the terminal surface of cylindrical portion 531m.Described cylindrical portion 531m is overlapping at the opposite side Z2 of Z-direction with the cylinder portion 511s of the arm 511g being formed at the first housing parts 51, and protuberance 531n is embedded into the inner side of a portion 511s (with reference to Fig. 6 (b)).

(structure of the second fastened by screw portion and the second installed surface)

In the surface of the opposite side Z2 of the Z-direction of plate-like portion 531, the opposite side Z2 that the position that side Y1 is in the Y direction adjacent with outside cylindrical portion 532 is formed to Z-direction is the second outstanding fastened by screw portion 531x of tubular, in the surface of the opposite side Z2 of the Z-direction of plate-like portion 531, the opposite side Z2 be formed in the position of the side X1 of X-direction and the side Y1 of Y-direction to Z-direction is the second outstanding fastened by screw portion 531y of tubular.As shown in Fig. 3 (b), described second fastened by screw portion 531x, 531y is the part of fastening second screw 181,182 when electric opening and closing device 1 being fixed on framework 180.

Further, in the surface of the opposite side Z2 of the Z-direction of plate-like portion 531, be formed with protuberance 561 with recess 531c in the position that Z-direction is overlapping, the position adjacent with protuberance 561 at the side X1 of X-direction is formed with protuberance 562.The surface of the surface of opposite side Z2 of the surface of the opposite side Z2 of the Z-direction of protuberance 561, the Z-direction of protuberance 562 and the opposite side Z2 of the Z-direction of base plate 534 is positioned at the same position of Z-direction, forms the second installed surface 560 with the pivot axis L-orthogonal of output block 3.

And, the surface of the surface of opposite side Z2 of the Z-direction of second fastened by screw portion 531x, 531y and the surface of opposite side Z2 of the Z-direction of protuberance 561, the surface of opposite side Z2 of the Z-direction of protuberance 562 and the opposite side Z2 of the Z-direction of base plate 534 is positioned at the same position of Z-direction, forms the second installed surface 560 with the pivot axis L-orthogonal of output block 3.As shown in Fig. 3 (b), described second installed surface 560 is the faces abutted with framework 180 when electric opening and closing device 1 being fixed on framework 180.

(detailed construction of the second housing parts 52 and the first installed surface)

Fig. 7 (a) ~ Fig. 7 (c) is the key diagram of the structure of the opposite side Z2 illustrated in the Z-direction applying the second housing parts 52 used in electric opening and closing device 1 of the present utility model, Fig. 7 (a), Fig. 7 (b) and Fig. 7 (c) be respectively illustrate the first gear 41 and rotation detection portion 7 relative to the position relationship etc. of the second housing parts 52 key diagram, the key diagram of the first gear 41 relative to the position relationship etc. of the second housing parts 52 and the exploded view of rotation detection portion 7 are shown.

In Fig. 2 (a), Fig. 3 (a), Fig. 3 (b), Fig. 4 (a), Fig. 4 (b), Fig. 5 (a), Fig. 5 (b) and Fig. 7 (a) ~ Fig. 7 (c), the second housing parts 52 comprises: the plate-like portion 521 extended towards the mode of Z-direction along Y-direction to make thickness direction; And the side plate 523 to be formed along the end of plate-like portion 521, the shape that side plate 523 erects in the opposite side Z2 from the end of plate-like portion 521 to Z-direction.In plate-like portion 521, the end of the opposite side Y2 of Y-direction is formed as arc-shaped in the mode of the outer rim of the base plate 514 along the first housing parts 51.

In plate-like portion 521, being formed with opening portion 521x for embedding the first fastened by screw portion 511x in the position that Z-direction is overlapping with the first fastened by screw portion 511x being formed at the first housing parts 51, being formed with opening portion 521y for embedding the first fastened by screw portion 511y in the position that Z-direction is overlapping with the first fastened by screw portion 511y being formed at the first housing parts 51.In the manner, first fastened by screw portion 511x, 511y pass through openings portion 521x, 521y, and more outstanding than the side Z1 of surface further to Z-direction of the side Z1 of the Z-direction of plate-like portion 521.

At this, be formed on the surface of the side Z1 of the Z-direction of plate-like portion 521: at the protuberance 551 outstanding to the side Z1 of Z-direction in the position that Z-direction is overlapping with motor drive shaft 22; And at the protuberance 552 outstanding to the side Z1 of Z-direction in the position that Z-direction is overlapping of the cylinder portion 531e with the 3rd housing parts 53.The surface of the surface of side Z1 of the surface of the side Z1 of the Z-direction of protuberance 551, the Z-direction of protuberance 552 and the side Z1 of the Z-direction of base plate 514 is positioned at the same position of Z-direction, forms the first installed surface 550 with the pivot axis L-orthogonal of output block 3.

And, the surface of the surface of side Z1 of the Z-direction of first fastened by screw portion 511x, 511y and the surface of side Z1 of the Z-direction of protuberance 551, the surface of side Z1 of the Z-direction of protuberance 552 and the side Z1 of the Z-direction of base plate 514 is positioned at the same position of Z-direction, forms the first installed surface 550 with the pivot axis L-orthogonal of output block 3.As shown in Fig. 3 (a), described first installed surface 550 is the faces abutted with framework 170 when electric opening and closing device 1 being fixed on framework 170.

In order to reduce noise, be made up of the large diameter gear 411 of motor pinion 24 and the first gear 41 helical gear.In the surface of the opposite side Z2 of the Z-direction of plate-like portion 521, be formed with recess 521c with motor pinion 24 at the overlapping position of the side Z1 of Z-direction (with protuberance 551 in the overlapping position of the opposite side Z2 of Z-direction), motor pinion 24 is supported at the side Z1 of Z-direction in the bottom of recess 521c.And, in the surface of the opposite side Z2 of the Z-direction of plate-like portion 521, be formed with recess 521e with the opening portion 511e being formed at the first housing parts 51 and cylinder portion 531e that is formed at the 3rd housing parts 53 at the overlapping position of the side Z1 of Z-direction (with protuberance 552 in the overlapping position of the opposite side Z2 of Z-direction).

Further, in the surface of the opposite side Z2 of the Z-direction of plate-like portion 521, the cylinder portion 521h of the opposite side Z2 opening to Z-direction is being formed with in the position that the side Z1 of Z-direction is overlapping with the axis hole 511h being formed at the first housing parts 51.Further, in the surface of the opposite side Z2 of the Z-direction of plate-like portion 521, around cylinder portion 521h, three cylinder portion 521p of the opposite side Z2 opening to Z-direction are formed.

In the surface of the opposite side Z2 of the Z-direction of plate-like portion 521, be formed to the outstanding cylindrical portion 521r of the opposite side Z2 of Z-direction, cylindrical portion 521r overlapping at the side Z1 of Z-direction with the hole 511r of the plate-like portion 511 being formed at the first housing parts 51 at the opposite side X2 of X-direction and the opposite side Y2 of Y-direction.Be formed with protuberance 521w at cylindrical portion 521r, protuberance 521w is embedded into (with reference to Fig. 6 (a)) in the hole 511r of the first housing parts 51.

(structure of deceleration train 4)

Fig. 8 (a), Fig. 8 (b) are the stereograms being arranged at the deceleration train 4 applying electric opening and closing device 1 of the present utility model, and Fig. 8 (a), Fig. 8 (b) observe the stereogram of deceleration train 4 from the side Z1 of Z-direction and observe the stereogram of deceleration train 4 from the opposite side Z2 of Z-direction.

As shown in Fig. 4 (a), Fig. 4 (b) and Fig. 8 (a), Fig. 8 (b), the deceleration train 4 being arranged at electric opening and closing device 1 is comprising the first gear 41, second gear 42, the 3rd gear 43 and the 4th gear 44 successively on the bang path of output block 3 from motor pinion 24.

First gear 41 comprises: the large diameter gear 411 engaged with motor pinion 24; And the small-diameter gear 412 to be integrally formed coaxially with large diameter gear 411, large diameter gear 411 and small-diameter gear 412 rotate integratedly.First gear 41 support shaft 410 supporting is for rotating, and the opening portion 511e of through first housing parts 51 of bolster 410, the two ends of bolster 410 are kept by the cylinder portion 531e of the axis hole 521e of the second housing parts 52 and the 3rd housing parts 53.In this condition, the large diameter gear 411 of the first gear 41 is between the first housing parts 51 and the second housing parts 52, and the small-diameter gear 412 of the first gear 41 is this two place between the first housing parts 51 and the second housing parts 52 and between the first housing parts 51 and the 3rd housing parts 53.

Second gear 42 comprises: the large diameter gear 421 engaged with the small-diameter gear 412 of the first gear 41; And the small-diameter gear 422 to arrange coaxially with large diameter gear 421, large diameter gear 421 and small-diameter gear 422 rotate integratedly.Second gear 42 support shaft 420 supporting is for rotating, and the two ends of bolster 420 are kept by the cylinder portion 531u of the cylinder portion 511u of the first housing parts 51 and the 3rd housing parts 53.Therefore, the second gear 42 entirety is between the first housing parts 51 and the 3rd housing parts 53.

3rd gear 43 comprises: the large diameter gear 431 engaged with the small-diameter gear 422 of the second gear 42; And the small-diameter gear 432 to be formed coaxially with large diameter gear 431, large diameter gear 431 and small-diameter gear 432 rotate integratedly.3rd gear 43 support shaft 430 supporting is for rotating, and the two ends of bolster 430 are kept by the cylinder portion 531t of the cylinder portion 511t of the first housing parts 51 and the 3rd housing parts 53.Therefore, the 3rd gear 43 entirety is between the first housing parts 51 and the 3rd housing parts 53.

4th gear 44 comprises: the large diameter gear 441 engaged with the small-diameter gear 432 of the 3rd gear 43; And the small-diameter gear 442 to be integrally formed coaxially with large diameter gear 441, large diameter gear 441 and small-diameter gear 442 rotate integratedly.The gear 320 being formed at the outer peripheral face of the flange part 32 of output block 3 engages with small-diameter gear 442.At this, the external diameter of gear 320 is larger than the external diameter of small-diameter gear 442.4th gear 44 support shaft 440 supporting is for rotating, and the two ends of bolster 440 are kept by the cylinder portion 531v of the cylinder portion 511v of the first housing parts 51 and the 3rd housing parts 53.Therefore, the 4th gear 44 entirety is between the first housing parts 51 and the 3rd housing parts 53.

In the deceleration train 4 so formed, be coated with lubricating grease at the flank of tooth of the first gear 41, second gear 42, the 3rd gear 43 and the 4th gear 44, the first gear 41, second gear 42, the 3rd gear 43 and the 4th gear 44 are all formed as the gear of band lubricating grease.Further, also lubricating grease is coated with at the flank of tooth of the gear 320 of motor pinion 24 and output block 3.

(structure of torque limiter)

Fig. 9 (a), Fig. 9 (b) are the stereograms of the second gear being arranged at the deceleration train 4 applying electric opening and closing device 1 of the present utility model, and Fig. 9 (a), Fig. 9 (b) observe the stereogram of the second gear from the side Z1 of Z-direction and observe the exploded view of the second gear from the side Z1 of Z-direction.

As shown in Fig. 9 (a), Fig. 9 (b), second gear 42 is made up of the first rotary part 48 of cup-shaped and the second rotary part 49 of being formed with small-diameter gear 422 being formed with large diameter gear 421, and torque limiter 47 is formed between the first rotary part 48 and the second rotary part 49.More particularly, large diameter gear 421 is formed at the outer peripheral face in the cylindrical body portion 481 of the first rotary part 48, and be formed with sawtooth portion 480 at the inner peripheral surface in cylindrical body portion 481, be circumferentially repeatedly formed with recess 482 triangular in shape when observing from Z-direction continuously in described sawtooth portion 480.

On the other hand, the second rotary part 49 comprises: first portion 491 being formed with small-diameter gear 422 at outer peripheral face; And with first portion 491 in adjacent second portion 492 of the opposite side Z2 of Z-direction, be formed with the three elastic deformation portions 490 extended to the same direction of circumference from circumference at the outer peripheral face in second portion 492.Further, the protuberance 493 in the recess 482 biting into the first rotary part 48 is formed with at the end in elastic deformation portion 490.

Therefore, in the ordinary course of things, second rotary part 49 and the first rotary part 48 rotate integratedly, but when the first rotary part 48 is applied in excessive load, the protuberance 493 in elastic deformation portion 490 moves to the recess 482 adjacent in circumference, thus the rotation of the second rotary part 49 is not delivered to the first rotary part 48.

(structure of rotation detection portion)

As shown in Fig. 4 (a), Fig. 4 (b) and Fig. 7 (a) ~ Fig. 7 (c), the electric opening and closing device 1 of the manner comprises the rotation detection portion 7 of the position of rotation detecting output block 3.In the manner, be provided with between the first housing parts 51 with the 3rd housing parts 53 and engage with the small-diameter gear 442 of the 4th gear 44 and the rotation of the 4th gear 44 to be passed to the rotation detection driven gear 70 of rotation detection portion 7, rotation detection portion 7 is according to the position of rotation of the position of rotation detection output block 3 by rotating the 4th gear 44 that detection detects with driven gear 70.

Rotate detection driven gear 70 to comprise: discoid gear part 701; The first axle part 703 that side Z1 from from gear part 701 to Z-direction is outstanding; And the second axle part 704 that opposite side Z2 from from gear part 701 to Z-direction is outstanding.In rotation detection with in driven gear 70, the end of the first axle part 703 is formed on the cylinder portion 521h supporting of the second housing parts 52 for rotating, and the end of the second axle part 704 is formed on the cylinder portion 511h supporting of the first housing parts 51 for rotating.

In the manner, rotation detection portion 7 has the circuit board 71 be connected with flexible printed circuit board 77 and the potentiometer 72 being assemblied in circuit board 71 between the first housing parts 51 with the second housing parts 52.Omit the detailed description to potentiometer 72, but potentiometer 72 has the brush be slidably connected relative to resistor.

Circuit board 71 is fixed on three cylinder portion 521p of the second housing parts 52 by screw 717 etc., and configures in the mode covered at the opening portion 511f (with reference to Fig. 6 (a), Fig. 6 (b) etc.) of side Z1 to the plate-like portion 511 being formed at the first housing parts 51 of Z-direction.But, be formed with opening portion 710 with opening portion 511f in the position that Z-direction is overlapping at circuit board 71.Therefore, it is possible to make the end pass through openings portion 511f of the first axle part 703 of rotation detection driven gear 70 and the hole 720 of potentiometer 72, thus be inserted in the cylinder portion 521h of the second housing parts 52.

In the manner, a part for the outer peripheral face of the first axle part 703 becomes tabular surface, and its section is D shape.Further, the hole 720 of potentiometer 72 also has the opening shape of D shape.Therefore, under the state in the hole 720 of the through potentiometer 72 in the end of the first axle part 703 making rotation detection driven gear 70, the brush of potentiometer 72 is together shifted with rotation detection driven gear 70.

(structure in next door)

Figure 10 is at the sectional view applying the structure between rotation detection portion 7 shown in electric opening and closing device 1 of the present utility model and the first gear 41.

As shown in Figure 10, in the electric opening and closing device 1 of the manner, rotation detection portion 7 has potentiometer 72 between the first housing parts 51 and the second housing parts 52, and described potentiometer 72 is configured in the large diameter gear 411 of the first gear 41 in the adjacent position of the radial outside of the first gear 41.In the manner, rotation detection portion 7 is positioned at than the first gear 41 position by the top (the opposite side Y2 of Y-direction).

First gear 41, second gear 42, the 3rd gear 43 and the 4th gear 44 are formed as the gear of the band lubricating grease being coated with lubricating grease, therefore, rotation detection portion 7 is configured in the gear with lubricating grease in the adjacent position of the radial outside of the gear being with lubricating grease.But, in deceleration train 4, only have the large diameter gear 411 of the first gear 41 and motor pinion 24 to be together configured between the first housing parts 51 and the second housing parts 52, the second gear 42, the 3rd gear 43 and the 4th gear 44 are configured between the first housing parts 51 and the 3rd housing parts 53.Further, between rotation detection portion 7 and motor pinion 24, have the large diameter gear 411 of the first gear 41.Therefore, the gear of adjacent with rotation detection portion 7 band lubricating grease is the large diameter gear 411 of the first gear 41.

In the manner, as shown in Fig. 7 (a), Fig. 7 (b) and Fig. 9 (a), Fig. 9 (b), between the large diameter gear 411 and rotation detection portion 7 of the first gear 41, be provided with next door 9.In the manner, next door 9 is made up of the protuberance from the tabular outstanding to the first housing parts 51 by the surface of the side residing for the first housing parts 51 in the second housing parts 52.Therefore, next door 9 extends to side X1 and the opposite side X2 of the X-direction crossing with the line at the center at the center and rotation detection portion 7 that are connected large diameter gear 411 from the large diameter gear 411 (gear of the band lubricating grease adjacent with rotation detection portion 7) of the first gear 41 and the opposed region clamped by rotation detection portion 7.Further, next door 9 extends to the inner surface (inner walls) of the side plate 523 of the both sides being arranged at X-direction continuously, and the two ends in next door 9 are connected with the side plate 523 of the second housing parts 52.At this, so-called large diameter gear 411 and the opposed region clamped by rotation detection portion 7 refer to the end of the side X1 of the X-direction connecting large diameter gear 411 and the region clamped by the same line being connected the end of opposite side X2 of X-direction of large diameter gear 411 and the end of the opposite side X2 of the X-direction of rotation detection portion 7 of the line of the end of the side X1 of the X-direction of rotation detection portion 7.In the manner, the protuberance forming next door 9 comprises with the bending arc sections 90 of the mode of the large diameter gear 411 along the first gear 41.

Next door 9 is connected with the cylinder portion 521h of the second housing parts 52, and the part that next door 9 is connected with cylinder portion 521h becomes the otch 91 for the angle part of configuration circuit plate 71.Therefore, the amount corresponding with the degree of depth of the otch 91 although degree of depth of the part be connected to cylinder portion 521h in next door 9 diminishes, nonetheless, is also in the state covering rotation detection portion 7 from the large diameter gear 411 of the first gear 41 as shown in Figure 10.

(manufacturing process of electric opening and closing device 1)

In the manufacturing process of the electric opening and closing device 1 of the manner, first the ratio configured between the first housing parts 51 and the 3rd housing parts 53 in the multiple gears used in output block 3 and deceleration train 4 rotates the gear of detection driven gear 70 by outlet side, in this condition, adjustment rotates the angle position of detection driven gear 70.In the manner, owing to only having the 4th gear 44 than rotating the gear of detection driven gear 70 by outlet side in deceleration train 4, therefore, under the state configuring the 4th gear 44 between the first housing parts 51 and the 3rd housing parts 53, adjustment rotates the angle position of detection driven gear 70.In addition, in the manner, the second gear 42, the 3rd gear 43 and motor 2 are also configured between the first housing parts 51 and the 3rd housing parts 53, and are only configuring the angle position of adjustment rotation detection driven gear 70 under the state before the first gear 41.

More particularly, under the halted state that the protuberance 327 of output block 3 abuts with limiting unit 537, rotation detection driven gear 70 is engaged with the 4th gear 44.Now, the mark (not shown) of the tooth that should engage with the 4th gear 44 is in this case represented at rotation detection driven gear 70 mark.Further, the angle position of rotation detection driven gear 70 and the angle position of potentiometer 72 are determined by the D shape of the D shape of the first axle part 703 and the hole 720 of potentiometer 72 that rotate detection driven gear 70.Therefore, under the halted state (normal condition) that the protuberance 327 of output block 3 abuts with limiting unit 537, as long as make the tooth of specifying of rotation detection driven gear 70 engage with the 4th gear 44, the angle position of potentiometer 72 and the normal condition of output block 3 just can be made to coincide.

(main efficacy results of the manner)

As described above, in the electric opening and closing device 1 of the manner, the first installed surface 550 and multiple first fastened by screw portion 511x, 511y is provided with on the surface of the side Z1 of the Z-direction of housing 5, multiple first screws 171,172 for housing 5 being fixed on equipment are anchored on multiple first fastened by screw portion 511x, 511y respectively from the direction that the pivot axis L with output block 3 is parallel, the first installed surface 550 and the L-orthogonal of pivot axis.At this, side Z1 due to Z-direction is the direction identical with the side L1 of the bearing of trend of pivot axis L, therefore, in other words, in the surface of the side L1 of the bearing of trend of the pivot axis L in housing 5, be arranged at the first installed surface 550 with the L-orthogonal of pivot axis for multiple first fastened by screw portion 511x, 511y housing 5 being fixed on equipment.Therefore, even if the fastening amount change of the first screw 171,172 fastening first screw 171,172 time as shown in Fig. 3 (a), the posture of housing 5 also can be specified by the first installed surface 550 with the L-orthogonal of pivot axis.And, surface due to the side Z1 of the Z-direction of multiple first fastened by screw portion 511x, 511y forms a part for the first installed surface 550, even if the therefore fastening amount change of the first screw 171,172, the posture of housing 5 also reliably can be specified by the first installed surface 550 with the L-orthogonal of pivot axis.Therefore, even if the fastening amount change of the first screw 171,172, the pivot axis L run-off the straight of the posture of housing 5, i.e. output block 3 also can be suppressed.

At this, multiple first fastened by screw portion 511x, 511y is included in two first fastened by screw portion 511x, the 511ys different from the distance of length direction (Y-direction) above and between output block 3 of pivot axis L-orthogonal of housing 5.The distance of two first fastened by screw portions 511x, 511y on length direction (Y-direction) be the distance on length direction (Y-direction) than the first fastened by screw portion 511x close to output block 3 in two the first fastened by screw portions and output block 3.Therefore, due to enough distances of being separated by between two first fastened by screw portions 511x, 511y, therefore, it is possible to housing 5 is reliably fixed as suitable posture.

And, the second installed surface 560 and multiple second fastened by screw portion 531x, 531y is provided with on the surface of the opposite side Z2 of the Z-direction of housing 5, multiple second screws 181,182 for housing 5 being fixed on equipment are anchored on multiple second fastened by screw portion 531x, 531y respectively from the direction that the pivot axis L with output block 3 is parallel, the second installed surface 560 and the L-orthogonal of pivot axis.At this, opposite side Z2 due to Z-direction is the direction identical with the opposite side L2 of the bearing of trend of pivot axis L, therefore, in other words, in the surface of the opposite side L2 of the bearing of trend of the pivot axis L in housing 5, be arranged at the second installed surface 560 with the L-orthogonal of pivot axis for multiple second fastened by screw portion 531x, 531y housing 5 being fixed on equipment.Therefore, even if the fastening amount change of the second screw 181,182 fastening second screw 181,182 time as shown in Fig. 3 (b), the posture of housing 5 also can be specified by the second installed surface 560 with the L-orthogonal of pivot axis.And, surface due to the opposite side Z2 of the Z-direction of multiple second fastened by screw portion 531x, 531y forms a part for the second installed surface 560, even if the therefore fastening amount change of the second screw 181,182, the posture of housing 5 also reliably can be specified by the second installed surface 560 with the L-orthogonal of pivot axis.Therefore, even if the fastening amount change of the second screw 181,182, the pivot axis L run-off the straight of the posture of housing 5, i.e. output block 3 also can be suppressed.

At this, multiple second fastened by screw portion 531x, 531y is included in two second fastened by screw portion 531x, the 531ys different from the distance of length direction (Y-direction) above and between output block 3 of pivot axis L-orthogonal of housing 5.The distance of two second fastened by screw portions 531x, 531y on length direction (Y-direction) is than the second fastened by screw portion 531x of the close output block 3 in two the second fastened by screw portions and the distance of output block 3 on length direction (Y-direction).Therefore, because two second fastened by screw portions 531x, 531y are separated by enough distances, therefore, it is possible to housing 5 is reliably fixed as suitable posture.

Further, first fastened by screw portion 511x, 511y is arranged at first housing parts 51, second fastened by screw portion 531x, 531y and is arranged at the 3rd housing parts 53.Further, output block 3 is supported as rotating by the first housing parts 51 and the 3rd housing parts 53.Therefore, no matter by first fastened by screw portion 511x, 511y stationary housing 5 and by any situation of second fastened by screw portion 531x, 531y stationary housing 5, output block 3 can be configured with suitable posture.

Further, because the second housing parts 52 is not applied in large load, therefore the second housing parts 52 does not need to have larger intensity.Therefore, it is possible to form the second thin housing parts 52, and the low resins for universal use of price can be used to form the second housing parts 52.

And, because first fastened by screw portion 511x, 511y is made up of the cylinder portion outstanding to opening portion 521x, 521y of the second housing parts 52 from the first housing parts 51, therefore, it is possible to easily make first fastened by screw portion 511x, 511y expose from the second housing parts 52 to the side Z1 of Z-direction.And first fastened by screw portion 511x, 511y is embedded in opening portion 521x, 521y, thus in X-direction and Y-direction, the first housing parts 51 and the second housing parts 52 are positioned.In other words, the first housing parts 51 and the second housing parts 52 are located by first fastened by screw portion 511x, 511y and the Qian He between opening portion 521x, 521y.Therefore, it is possible to directly supported being supported to the rotation detection driven gear 70 that can rotate with suitable posture by the first housing parts 51 and the second housing parts 52.

Further, in the electric opening and closing device 1 of the manner, the gear used in deceleration train 4 is coated with lubricating grease, but between the large diameter gear 411 and rotation detection portion 7 of adjacent the first gear 41 of radial outside, is provided with next door 9 in rotation detection portion 7.Therefore, lubricating grease is not easily attached to rotation detection portion 7, thus can suppress due to attachment lubricating grease and rotate test section 7 detect mistake wait undesirable condition.

The first gear 41 rotating speed particularly owing to engaging with motor pinion 24 is fast, and therefore lubricating grease easily disperses due to centrifugal force, but according to the manner, even if in this case, lubricating grease also can be suppressed to be attached to rotation detection portion 7.And, because the large diameter gear 41 of rotation detection portion 7 and the first gear 41 is positioned at the space delimited by the first housing parts 51 and the second housing parts 52, therefore the lubricating grease dispersed from the first gear 41 is easily attached to rotation detection portion 7, but according to the manner, even if in this case, also lubricating grease can be suppressed to be attached to rotation detection portion 7 by next door 9.And, next door 9 extends to the side X1 of X-direction and the opposite side X2 of X-direction from the large diameter gear 411 (gear of the band lubricating grease adjacent with rotation detection portion 7) of the first gear 41 with the opposed region clamped by rotation detection portion 7, and extends to the inner surface (inner walls) of the side plate 523 of the both sides being arranged at X-direction continuously.Therefore, it is possible to effectively suppress lubricating grease to be attached to rotation detection portion 7.

Further, because the protuberance of next door 9 by the surface opposed with the first housing parts 51 be formed in the second housing parts 52 is formed, therefore there is the advantage that need not add the parts forming next door 9 in addition.At this, next door 9 also can be made up of the protuberance on the surface opposed with the second housing parts 52 be formed in the first housing parts 51.But, in the manner, owing to realize the slimming of housing 5 in side Z1 (side by the second housing parts 52) structure overlapping with the circuit board 71 of rotation detection portion 7 of Z-direction by being set as large diameter gear 411, the therefore preferred surface formation next door 9 opposed with the first housing parts 51 in the second housing parts 52.

And, due to rotation detection portion 7 with gravity direction be baseline configuration in large diameter gear 411 (gear of the band lubricating grease) position by the top than next door 9 and the first gear 41, therefore, it is possible to prevent lubricating grease to be attached to rotation detection portion 7 due to self gravitation.

And, in the manner, because rotation detection portion 7 comprises potentiometer 72, if therefore adhere to a large amount of lubricating grease at the contact place of potentiometer 72, then easily serious undesirable condition occurs, therefore significantly effective method suppresses lubricating grease to adhere to by arranging next door 9.

(other embodiments)

In the above-described embodiment, it is the structure of fastening first screw 171,172 from the direction that the pivot axis L with output block 3 is parallel respectively, even if but in the direction tilted from the pivot axis L relative to output block 3 respectively fastening first screw 171,172 time, as long as arrange the first installed surface 550 with the L-orthogonal of pivot axis, just can with suitable posture stationary housing 5.Similarly, though in the direction tilted from the pivot axis L relative to output block 3 respectively fastening second screw 181,182 time, as long as arrange and the second installed surface 560 of pivot axis L-orthogonal, just can with suitable posture stationary housing 5.

In the above-described embodiment, being the first gear 41, second gear 42, the 3rd gear 43 and the 4th gear 44 is supported structure for rotating by bolster by housing 5, but also can be that part or all of the first gear 41, second gear 42, the 3rd gear 43 and the 4th gear 44 comprises and supported structure for the rotating shaft that can rotate by housing 5.

In addition, in above-mentioned example, electric opening and closing device 1 drives toilet seat and toilet lid, but also can be the structure that the lid of opening and closing is carried out in the washings input port driving the Wash tub of subtend washing machine to drop into washings.

Claims

1. an electric opening and closing device, is characterized in that, described electric opening and closing device comprises:

Motor;

Output block, the rotation of described motor is passed to described output block; And

Housing, described motor and described output block are held in the inner side of described housing,

In described housing, the surface of the side of the bearing of trend of the pivot axis by described output block is provided with the first installed surface and multiple first fastened by screw portion, for described housing is fixed on equipment multiple first screws respectively from the direction with described pivot axis being parallel or be anchored on described multiple first fastened by screw portion relative to the direction that described pivot axis tilts, described first installed surface is orthogonal with described pivot axis.

2. electric opening and closing device according to claim 1, is characterized in that,

The surface of the side of the bearing of trend of the pivot axis by described output block in described multiple first fastened by screw portion forms a part for described first installed surface.

3. electric opening and closing device according to claim 2, is characterized in that,

Described multiple first fastened by screw portion comprises two the first fastened by screw portions, and described two the first fastened by screw portions are different from the distance of described output block on the length direction orthogonal with described pivot axis of described housing separately,

Described two the first distances of fastened by screw portion on described length direction are than the first fastened by screw portion close to described output block in described two the first fastened by screw portions and the distance of described output block on described length direction.

4. the electric opening and closing device according to any one in claims 1 to 3, is characterized in that,

Described output block can export rotation from these both sides of opposite side of the bearing of trend of the side of the bearing of trend of described pivot axis and described pivot axis,

In described housing, the surface of the opposite side of the bearing of trend of the pivot axis by described output block is provided with the second installed surface and multiple second fastened by screw portion, for described housing is fixed on equipment multiple second screws respectively from the direction with described pivot axis being parallel or be anchored on described multiple second fastened by screw portion relative to the direction that described pivot axis tilts, described second installed surface is orthogonal with described pivot axis.

5. electric opening and closing device according to claim 4, is characterized in that,

The surface of the opposite side of the bearing of trend of the pivot axis by described output block in described multiple second fastened by screw portion forms a part for described second installed surface.

6. electric opening and closing device according to claim 5, is characterized in that,

Described multiple second fastened by screw portion comprises two the second fastened by screw portions, and described two the second fastened by screw portions are different from the distance of described output block on the length direction orthogonal with described pivot axis of described housing separately,

Described two the second distances of fastened by screw portion on described length direction are than the second fastened by screw portion close to described output block in described two the second fastened by screw portions and the distance of described output block on described length direction.

7. electric opening and closing device according to claim 1, is characterized in that,

Described housing comprises: the first housing parts being fixed with the outlet side end of the main part of described motor; At the second housing parts that the side of the bearing of trend of the pivot axis of described output block is opposed with this first housing parts; And at the opposite side of the bearing of trend of the pivot axis of described output block three housing parts opposed with described first housing parts,

Described output block is supported as rotating by described first housing parts,

Described first fastened by screw portion is arranged at described first housing parts.

8. electric opening and closing device according to claim 4, is characterized in that,

Described output block is supported as rotating by described first housing parts and described 3rd housing parts,

Described first fastened by screw portion is arranged at described first housing parts,

Described second fastened by screw portion is arranged at described 3rd housing parts.

9. the electric opening and closing device according to claim 7 or 8, is characterized in that,

Described first fastened by screw portion is made up of the cylinder portion outstanding to the opening portion of described second housing parts from described first housing parts.

10. the electric opening and closing device according to claim 7 or 8, is characterized in that,

The inside of described housing comprises: the rotation of described motor slowed down and be delivered to the deceleration train of described output block; Detect the rotation detection portion of the position of rotation of described output block; And the rotation of this gear is passed to the rotation detection driven gear of described rotation detection portion with a certain gears meshing in multiple gears of using in described deceleration train,

Described first housing parts or described 3rd housing parts are provided with the limiting unit specified the stop position of described output block,

In described deceleration train, supported as rotating by described first housing parts and described 3rd housing parts by the direct geared of outlet side or by bolster than described rotation detection driven gear,

Described rotation detection portion is configured between described first housing parts and described second housing parts.

11. electric opening and closing devices according to claim 9, is characterized in that,

Described rotation detection portion is configured between described first housing parts and described second housing parts,

Described first housing parts and described second housing parts are located by the Qian He between described first fastened by screw portion and described opening portion,

Described rotation detection driven gear directly or by described bolster is supported as rotating by described first housing parts and described second housing parts.

12. electric opening and closing devices according to claim 10, is characterized in that,

The large diameter gear of the first gear engaged with motor pinion in described rotation detection driven gear and described deceleration train is configured between described first housing parts and described second housing parts.