CN205173376U - Eccentrically swinging gear device - Google Patents
Eccentrically swinging gear device Download PDFInfo
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- CN205173376U CN205173376U CN201520934511.0U CN201520934511U CN205173376U CN 205173376 U CN205173376 U CN 205173376U CN 201520934511 U CN201520934511 U CN 201520934511U CN 205173376 U CN205173376 U CN 205173376U
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Abstract
The utility model provides an eccentrically swinging gear device that can restrain shortened life expectancy. This eccentrically swinging gear device includes: the urceolus, the tooth rest, it has the 1st component and the 2nd component, the coupling member, it has the head of pressing the 1st component from one side opposite with the 2nd component for join the 1st component and the 2nd component, and base bearing, it has the 2nd bearing surface, furthermore, at least a part of length range who is located the coupling member, and the relative rotation between permission urceolus and the tooth rest, the 1st component has the 1st contact surface that bears the fastening power of coupling member from the head, the 2nd contact surface with the fastening of bearing the coupling member from the 2nd component power, the 2nd bearing surface lies in the position that links the orientation skew for imaginary median surface to the aforesaid in the binding orientation of utilizing coupling member the 1st member of binding and the 2nd member, this imaginary median surface is located apart from the position that the distance of the 1st contact surface and the 2nd contact surface equals.
Description
Technical field
The utility model relates to a kind of Eccentrically swinging gear device.
Background technique
As gearing in the past, be known to the planetary gear system disclosed in a kind of Japanese Unexamined Patent Publication 9-14359 publication.As shown in Figure 4, the planetary gear system 100 disclosed in this publication comprises external gear 102, the plectane 103 sandwiching external gear 102 from both sides axially and support member 104 that internal gear 101 engages with internal gear 101 and the rolling element 105 be configured between plectane 103 and internal gear 101.Rolling element 105 rolls with the state contacted with the rolling surface 103a that the outer circumferential face of plectane 103 comprises, and thus, allows the relative rotation between plectane 103 with internal gear 101.In addition, plectane 103 and support member 104 utilize linking member 106 to interlink.Linking member 106 is from being inserted in plectane 103 and support member 104 along the side that the axis of external gear 102 is contrary with support member 104.The head 106a of this linking member 106 presses plectane 103.That is, plectane 103 has and bears the surface of contact 103b of the fastening force of linking member 106 from head 106a and bear the surface of contact 103c of fastening force of linking member 106 from support member 104.
In the planetary gear system 100 disclosed in Japanese Unexamined Patent Publication 9-14359 publication, linking member 106 is utilized to link plectane 103 and support member 104, thus plectane 103 is out of shape largely in the mode bloated to radial outside at median surface S1 place, this median surface S1 is located at the position of the middle of both surface of contact 103b and surface of contact 103c on axis C1 direction.Therefore, the rolling surface 103a squeezing roll kinetoplast 105 consumingly on the face being positioned at median surface S1 of plectane 103.Thus, the lost of life of planetary gear system 100 may be caused.
Model utility content
The problem that model utility will solve
The purpose of this utility model is to provide a kind of Eccentrically swinging gear device that can suppress the lost of life.
For the scheme of dealing with problems
The Eccentrically swinging gear device of a technological scheme of the present utility model comprises: urceolus, gear carrier, it has the 1st component and the 2nd component, linking member, it has the head pressing above-mentioned 1st component from the side contrary with above-mentioned 2nd component, for linking above-mentioned 1st component and above-mentioned 2nd component, and main bearing, it has the supporting surface for utilizing above-mentioned 1st member supporting rolling element, and, the length range being positioned at above-mentioned linking member at least partially of this main bearing, allow the relative rotation between above-mentioned urceolus with said gear frame, above-mentioned 1st component has the 1st surface of contact bearing the fastening force of above-mentioned linking member from above-mentioned head, with the 2nd surface of contact bearing the fastening force of above-mentioned linking member from above-mentioned 2nd component, above-mentioned supporting surface is positioned at the position offset to above-mentioned link direction relative to imaginary median surface in the link direction utilizing above-mentioned linking member above-mentioned 1st component of link and above-mentioned 2nd component, this imaginary median surface is positioned at the equidistant position apart from described 1st surface of contact and above-mentioned 2nd surface of contact.
Usually, when utilizing linking member to link the 1st component and the 2nd component, the 1st component is easily significantly out of shape in the mode bloated to radial outside on median surface.So, when above-mentioned Eccentrically swinging gear device, by configuring supporting surface in the mode offset relative to median surface in the link direction utilizing linking member to link the 1st component and the 2nd component, thus the situation that supporting surface can be suppressed under the impact of the distortion produced because of above-mentioned link of the 1st component to be scrolled body strongly extrude.Therefore, it is possible to suppress the lost of life of Eccentrically swinging gear device.
Preferably, above-mentioned supporting surface is positioned at the side contrary with above-mentioned 2nd component relative to above-mentioned 1st surface of contact in above-mentioned link direction.
When above-mentioned Eccentrically swinging gear device, the outside in the link direction of linking member, between the 1st surface of contact and the 2nd surface of contact region configures supporting surface.Therefore, it is possible to suppress this supporting surface to be subject to the impact of the distortion produced because of linking member link the 1st component and the 2nd component of the 1st component.
In addition, preferably, above-mentioned supporting surface and above-mentioned 1st component are integrally formed.
When above-mentioned Eccentrically swinging gear device, supporting surface is easily out of shape along with the distortion of the 1st component.Therefore, preferably, by configuring supporting surface in the mode offset relative to median surface in the link direction of linking member, thus the distortion of this supporting surface is suppressed.
In addition, preferably, above-mentioned Eccentrically swinging gear device also comprises bent axle.This bent axle is rotatably supported on the inner peripheral surface formed on above-mentioned 1st component, for making above-mentioned wobble gear swing rotary.In this situation, preferably, the above-mentioned inner peripheral surface of above-mentioned 1st component is located in above-mentioned link direction relative to the position that above-mentioned median surface offsets.
When above-mentioned Eccentrically swinging gear device, the inner peripheral surface of the 1st component is positioned at the position relative to median surface skew in the link direction of linking member.Therefore, it is possible to suppress the inner peripheral surface of the 1st component to be significantly out of shape under the impact of the distortion produced because of linking member link the 1st component and the 2nd component of the 1st component.Therefore, it is possible to suppress the inner peripheral surface because of the 1st component be significantly out of shape and strongly extruded by bent axle.Thereby, it is possible to suppress the lost of life of Eccentrically swinging gear device.
Preferably, above-mentioned bent axle has axle main body and the eccentric part relative to above-mentioned axle main body bias.In this situation, preferably, above-mentioned wobble gear is installed on above-mentioned eccentric part.
Preferably, above-mentioned wobble gear be located at above-mentioned urceolus main part inner peripheral surface in alligator to be meshed swing rotary on one side.
Preferably, above-mentioned 1st component has end plate and from above-mentioned end plate 1st protuberance outstanding to above-mentioned 2nd member side.In this situation, preferably, above-mentioned supporting surface is formed at above-mentioned end plate.In addition, preferably, above-mentioned 2nd surface of contact is the end face by the 2nd member side of above-mentioned 1st protuberance.
Preferably, above-mentioned 2nd component there is baseplate part and from aforesaid substrate portion to above-mentioned 1st member side extend the 2nd protuberance.In this situation, preferably, above-mentioned 2nd protuberance contacts in above-mentioned link direction with above-mentioned 1st protuberance.
Preferably, above-mentioned 1st component be formed with the 1st outer circumferential face extended along above-mentioned link direction and be positioned at than above-mentioned 1st outer circumferential face by the position of radially inner side of above-mentioned gear carrier and the 2nd outer circumferential face extended along above-mentioned link direction.In this situation, preferably, above-mentioned supporting surface is the curved surface of arc-shaped, between above-mentioned 1st outer circumferential face and above-mentioned 2nd outer circumferential face.
Preferably, above-mentioned 1st component has end plate, in addition, and the 2nd protuberance that above-mentioned 2nd component has baseplate part and is connected with aforesaid substrate portion.In this situation, preferably, above-mentioned 2nd protuberance contacts with the end face of above-mentioned end plate, thus this end face becomes above-mentioned 2nd surface of contact.
Preferably, above-mentioned linking member has and to be connected with above-mentioned head and to be the linking department of outside thread shape.In this situation, above-mentioned head has the external diameter of the external diameter being greater than above-mentioned linking department.
Preferably, above-mentioned 1st component be formed with the accommodation section for accommodating above-mentioned head and be connected with above-mentioned accommodation section and supply the through hole that the root of above-mentioned linking department inserts.In this situation, preferably, the diameter of above-mentioned through hole is set smaller than the diameter of the bottom surface of above-mentioned accommodation section.In addition, preferably, above-mentioned 2nd component is provided with the connect apertures be screwed for above-mentioned linking department.In this situation, preferably, the above-mentioned bottom surface of above-mentioned accommodation section becomes above-mentioned 1st surface of contact.
Preferably, above-mentioned supporting surface offsets to above-mentioned 1st contact surface side relative to above-mentioned median surface in above-mentioned link direction.
The effect of model utility
As mentioned above, according to the utility model, a kind of Eccentrically swinging gear device that can suppress the lost of life can be provided.
Accompanying drawing explanation
Fig. 1 is the sectional view of the schematic configuration of the Eccentrically swinging gear device representing present embodiment.
Fig. 2 is the plan view of the schematic configuration of the Eccentrically swinging gear device representing present embodiment, is the illustrated figure eliminating both driving gear and bent axle.
Fig. 3 is the figure of the variation 1 of the Eccentrically swinging gear device representing present embodiment, is the sectional view of the schematic configuration representing Eccentrically swinging gear device.
Fig. 4 is the sectional view of the schematic configuration of the planetary gear system represented in the past.
Embodiment
Hereinafter, with reference to the accompanying drawings of a mode of execution of the present utility model.Wherein, for convenience of description, the main member simplification in the construction element of the Eccentrically swinging gear device X1 of present embodiment only illustrates by each figure of following institute reference.Thus, the Eccentrically swinging gear device X1 of present embodiment may comprise each not shown arbitrary structures component of this specification institute reference.
As depicted in figs. 1 and 2, Eccentrically swinging gear device X1 comprises urceolus 2, gear carrier 4, wobble gear 7 and bent axle 6.In Eccentrically swinging gear device X1, wobble gear 7 is swing rotary along with the rotation of bent axle 6, thus makes that urceolus 2 is relative with gear carrier 4 to be rotated.
The 1st circular extension part 2b that urceolus 2 has in the main part 2a of the substantially cylindrical shape of axis centered by axis C1, the intermediate portion in the radial direction of this main part 2a extends to the side on axis C1 direction and the 2nd circular extension part 2c that the intermediate portion in the radial direction of this main part 2a extends to the opposite side on axis C1 direction.
The inner peripheral surface 21 of the main part 2a of urceolus 2 is formed with multiple cotter way.Each cotter way configures in the mode extended along axis C1 direction, and the cross section orthogonal with this axis C1 direction has semicircular sectional shape.Each cotter way is arranged at equal intervals in the circumference of urceolus 2.
Being positioned in the main part 2a of urceolus 2 leans on the position of radial outside to be formed with the multiple mounting holes 22 running through this position along axis C1 direction than the 1st extension part 2b and the 2nd extension part 2c.Each mounting hole 22 is arranged at equal intervals in the circumference of urceolus 2.Each mounting hole 22 is used when the pedestal etc. installing the articular portion forming robot to urceolus 2 omits illustrated subject side component.When installing the pedestal of the articular portion forming robot to urceolus 2, urceolus 2 becomes the fixed side component on Eccentrically swinging gear device X1.
Eccentrically swinging gear device X1 also comprises the interior alligator 3 on multiple inner peripheral surface 21 being installed on the main part 2a of urceolus 2.Each interior alligator 3 is in the cylindrical shape extended along axis C1 direction.Each interior alligator 3 is arranged on and is formed in each cotter way of inner peripheral surface 21.
Gear carrier 4 has the 1st component 41 of the radially inner side of the 1st extension part 2b being positioned at urceolus 2 and is positioned at the 2nd component 42 of the main part 2a of urceolus 2 and the radially inner side of the 2nd extension part 2c.
1st component 41 has in roughly discoideus end plate 41f and the 1st protuberance 41g be connected with this end plate 41f.1st protuberance 41g is outstanding to the 2nd component 42 side from the end face 41B be located at by the 2nd component 42 side on axis C1 direction of end plate 41f.1st protuberance 41g arrange in the circumference of gear carrier 4 be provided with multiple.In the present embodiment, the 1st component 41 has three the 1st protuberance 41g.
The 1st outer circumferential face 41F, the 2nd outer circumferential face 41H and the 2nd supporting surface 41G is formed at the end plate 41f of the 1st component 41.1st outer circumferential face 41F, the 2nd outer circumferential face 41H and the 2nd supporting surface 41G form the outer circumferential face of end plate 41f.
1st outer circumferential face 41F is the face be positioned on axis C1 direction by end face 41A side in the outer circumferential face of end plate 41f.1st outer circumferential face 41F extends along axis C1 direction (link direction).
2nd outer circumferential face 41H is the face be positioned on axis C1 direction by end face 41B side in the outer surface of end plate 41f.2nd outer circumferential face 41H is positioned at than the position of the 1st outer circumferential face 41F by the radially inner side of gear carrier 4, and extends along axis C1 direction (link direction).
2nd supporting surface 41G on axis C1 direction (link direction) between the 1st outer circumferential face 41F and the 2nd outer circumferential face 41H, the curved surface in arc-shaped.In addition, refer to aftermentioned about the 2nd supporting surface 41G.
The end plate 41f of the 1st component 41 is formed with central hole 41a and crankshaft hole 41b.
Central hole 41a is formed in the mode running through the middle body of end plate 41f along axis C1 direction.
As shown in Figure 2, the circumferential array of crankshaft hole 41b in the outside of central hole 41a along gear carrier 4 is formed multiple.Each crankshaft hole 41b is formed in the mode running through end plate 41f along axis C1 direction.In the present embodiment, end plate 41f is formed with three crankshaft hole 41b.
2nd component 42 has in roughly discoideus baseplate part 42a and the 2nd protuberance 42b be connected with this baseplate part 42a.2nd protuberance 42b extends to the 1st component 41 side from the end face be positioned on axis C1 direction by the 1st component 41 side of baseplate part 42a.2nd protuberance 42b is provided with three accordingly with the position of the 1st protuberance 41g of three on the 1st component 41 respectively.2nd protuberance 42b and the 1st protuberance 41g goes up in axis C1 direction (link direction), contacts in the inner side of the patchhole 71b being formed at the 1st wobble gear 71 described later.In the present embodiment, the 1st protuberance 41g of the 1st component 41 and the 2nd protuberance 42b of the 2nd component 42 forms the axle portion A1 of gear carrier 4.In addition, the position that the 2nd protuberance 42b and the 1st protuberance 41g contacts is not limited in patchhole 71b.
In addition, the axle portion A1 of gear carrier 4 can not utilize the 1st protuberance 41g and the 2nd protuberance 42b to form, and can only utilize the 2nd protuberance 42b to form.That is, the 1st protuberance 41g of the 1st component 41 can not had.In this situation, the 2nd protuberance 42b is inserted in patchhole 71b, 72b of wobble gear 7, and, axis C1 direction contacts with the end face 41B of end plate 41f.In addition, the position that the 2nd protuberance 42b and end plate 41f contacts is not limited in patchhole 71b, 72b.
Central hole 42c, crankshaft hole 42d and mounting hole 42e is formed at the baseplate part 42a of the 2nd component 42.
Central hole 42c is formed in the mode of the middle body along axis C1 direction through substrate portion 42a.
Central hole 42c is arranged accordingly with the position of the central hole 41a being formed at end plate 41f.
The circumferential array of crankshaft hole 42d in the outside of central hole 42c along gear carrier 4 is formed multiple.Each crankshaft hole 42d is to be formed along the mode of axis C1 direction through substrate portion 42a.Each crankshaft hole 42d is arranged accordingly with the position of each crankshaft hole 41b being formed at end plate 41f.
The mode that mounting hole 42e caves in this axis C1 direction with the end face of the side contrary with the 1st component 41 on axis C1 direction in baseplate part 42a is formed.Mounting hole 42e is for installing the subject side components such as the solid of rotation of the articular portion for forming robot to gear carrier 4.When installing the solid of rotation of the articular portion for forming robot to gear carrier 4, this gear carrier 4 becomes rotary side component in Eccentrically swinging gear device X1.In addition, such as, if when installing the pedestal of the articular portion for forming robot to gear carrier 4, the solid of rotation of the articular portion for forming robot is then installed to urceolus 2, thus, gear carrier 4 becomes the fixed side component of Eccentrically swinging gear device X1, and urceolus 2 becomes the rotary side component of Eccentrically swinging gear device X1.
Bent axle 6 has the axle main body 61, the eccentric part 62,63 relative to axle main body 61 bias that extend along axis C1 direction.Bent axle 6 is inserted in crankshaft hole 41b, the crankshaft hole 42d of the 2nd component 42 and crankshaft hole 71c, 72c of wobble gear described later 7 of the 1st component 41.In the present embodiment, bent axle 6 is provided with multiple (three) along the circumferential array of gear carrier 4.In addition, the quantity of bent axle 6 is any amount, and suitably can change according to the usage mode of Eccentrically swinging gear device X1.
Axle main body 61 is supported on the inner peripheral surface 41c of crankshaft hole 41b by crankshaft bearing B1.In addition, axle main body 61 is supported on the inner peripheral surface of crankshaft hole 42d by crankshaft bearing B2.Crankshaft bearing B1, B2 allow that bent axle 6 rotates relative to gear carrier 4.
Eccentric part 62,63 is connected with axle main body 61 on axis C1 direction, and is positioned at the radially inner side of the main part 2a of urceolus 2.Eccentric part 62,63 is provided with wobble gear 7 by roller.
Wobble gear 7 has the axle center extended along axis C1 direction.Wobble gear 7 is positioned at the inner side of the main part 2a of urceolus 2, axis C1 direction is clipped between the 1st component 41 and the 2nd component 42.Wobble gear 7 has and is installed on the 1st wobble gear 71 of the 1st eccentric part 62 by roller and is installed on the 2nd wobble gear 72 of the 2nd eccentric part 63 by roller.
Wobble gear 71,72 has the external diameter of the internal diameter of the main part 2a being slightly smaller than urceolus 2, is formed with multiple external tooth at the outer circumferential face of this wobble gear 71,72.Wobble gear 71, the 72 respective numbers of teeth being formed at the external tooth of outer circumferential face are slightly less than the quantity of interior alligator 3.Thus, the 1st wobble gear 71 and the 2nd wobble gear 72 can be meshed with each interior alligator 3 with each external tooth mode, carry out swing rotary with mutually different phase place.In addition, also can be that wobble gear 7 comprises a wobble gear, or comprises the wobble gear of more than three.
1st wobble gear 71 is formed: central hole 71a, its position is corresponding with the position of the central hole 41a being formed at end plate 41f; Patchhole 71b, is wherein inserted with the 1st protuberance 41g and the 2nd protuberance 42b; And crankshaft hole 71c, be wherein inserted with the 1st eccentric part 62.
2nd wobble gear 72 is formed: central hole 72a, its position is corresponding with the position of the central hole 42c being formed at baseplate part 42a; Patchhole 72b, is wherein inserted with the 2nd protuberance 42b; And crankshaft hole 72c, be wherein inserted with the 2nd eccentric part 63.
Eccentrically swinging gear device X1 also comprises driving gear 8, and this driving gear 8 makes this bent axle 6 rotate to bent axle 6 transmission of drive force.Driving gear 8 to be positioned at the side contrary with the 2nd component 42 across the 1st component 41 on axis C1 direction.Driving gear 8 is installed on one end of the axle main body 61 of bent axle 6.
Eccentrically swinging gear device X1 also comprises: linking member 5, and it is for linking the 1st component 41 and the 2nd component 42; And main bearing 9, it is located between urceolus 2 and gear carrier 4.The 1st component 41 utilizing linking member 5 to interlink can carry out relative rotation by main bearing 9 relative to urceolus 2 with the 2nd component 42.That is, main bearing 9 allows the relative rotation between urceolus 2 with gear carrier 4.
Linking member 5 has the linking department 51 in outside thread shape and is connected with linking department 51 and has the external diameter head 52 larger than the external diameter of this linking department 51.Linking member 5 is inserted into the 1st component 41 and the 2nd component 42 from the end face 41A side of the end plate 41f of the 1st component 41 along this axis C1 direction, wherein, the end face 41A of end plate 41f on axis C1 direction, be positioned at end plate 41f with the position of the 2nd component 42 that side contrary.In the present embodiment, as shown in Figure 2, between crankshaft hole 71c adjacent in gear carrier 4 circumference, be respectively provided with two linking members 5, add up to six linking member 5 arrangements to be positioned in this circumference.
1st component 41 is formed the accommodation section 41d for accommodating head 52 and is connected with this accommodation section 41d and supplies the through hole 41e that the root of linking department 51 inserts.
The mode that accommodation section 41d caves on axis C1 direction with the local of the end face 41A in the end plate 41f of the 1st component 41 is formed.Accommodation section 41d corresponds to the position of axle portion A1 and is formed on axis C1 direction.In the present embodiment, be formed with two accommodation sections 41 respectively corresponding to three axle portion A1 (the 1st protuberance 41g, the 2nd protuberance 42b) respective position, add up to six accommodation section 41d arrangements to be positioned in the circumference of gear carrier 4.
Through hole 41e is formed as the end face by the 2nd protuberance 42b side being through to the 1st protuberance 41g on axis C1 direction from the bottom surface of accommodation section 41d.The diameter of through hole 41e is set smaller than the diameter of the bottom surface of accommodation section 41d.Accommodation section 41d and through hole 41e makes the 1st component 41 through along axis C1 direction.
2nd component 42 is formed with connect apertures 42f, and this connect apertures 42f is internal screw thread form, and inserts for the tip portion of linking department 51.Connect apertures 42f is formed in the mode of the end face by the 1st protuberance 41g side of the 2nd protuberance 42b of the 2nd component 42 local along axis C1 direction depression.Connect apertures 42f corresponds to the position of through hole 41e and is formed, thus is connected with this through hole 41e.In addition, in the present embodiment, connect apertures 42f is hole with the end, but is not limited thereto, and can also be the through hole running through baseplate part 42a on axis C1 direction from the end face by the 1st protuberance 41g side of the 2nd protuberance 42b.
Linking member 5 on axis C1 direction by end face 41A side insertion accommodation section 41d, the through hole 41e and connect apertures 42f from end plate 41f.And in this insertion process, tip portion and the connect apertures 42f of linking department 51 are screwed, thus, the 1st component 41 and the 2nd component 42 link on axis C1 direction.
Under the state that the 1st component 41 and the 2nd component 42 have linked, the bottom surface of accommodation section 41d contacts with the head 52 of linking member 5, and thus, this bottom surface becomes the 1st surface of contact 41C.1st surface of contact 41C bears the fastening force towards the 2nd component 42 side on axis C1 direction of linking member 5 from head 52.
In addition, under the state that the 1st component 41 and the 2nd component 42 have linked, the end face by the 2nd protuberance 42b side (the 2nd component 42 side) of the 1st protuberance 41g contacts with the 2nd protuberance 42b, and thus, this end face becomes the 2nd surface of contact 41D.2nd surface of contact 41D bears the fastening force towards the 1st component 41 side on axis C1 direction of linking member 5 from the 2nd protuberance 42b.
Like this, the fastening force of linking member 5 is born at the position on axis C1 direction between the 1st surface of contact 41C and the 2nd surface of contact 41D of the 1st component 41 from the both sides this axis C1 direction.
The 2nd main bearing 92 that main bearing 9 has the 1st main bearing 91, separates with the 1st main bearing 91 on axis C1 direction.1st main bearing 91 and the 2nd main bearing 92 are in toroidal.1st main bearing 91 is located between the inner peripheral surface of the outer circumferential face of the end plate 41f of the 1st component 41 and the 1st extension part 2b of urceolus 2.In addition, the 2nd main bearing 92 is located between the inner peripheral surface of the outer circumferential face of the baseplate part 42a of the 2nd component 42 and the 2nd extension part 2c of urceolus 2.In the present embodiment, the 1st main bearing 91 and the 2nd main bearing 92 are symmetrical on axis C1 direction, have same structure.
1st main bearing 91 is positioned at the length range of the linking member 5 extended along axis C1 direction.In the present embodiment, the entirety of the 1st main bearing 91 is positioned at the length range of linking member 5, but is not limited thereto, and can also be that the local of only the 1st main bearing 91 is positioned at this length range.
1st main bearing 91 comprises rolling element 91b, for utilizing urceolus 2 to support the 1st supporting surface 91A of this rolling element 91b and the 2nd supporting surface 41G for utilizing the 1st component 41 to support this rolling element 91b.
Rolling element 91b can be bearing between the 1st supporting surface 91A and the 2nd supporting surface 41G rotatably.In the present embodiment, rolling element 91b is spheroid form.In addition, rolling element 91b can also be such as cylindrical shape etc.When the cylindrical shape of rolling element 91b, by making the spin axis of this rolling element 91b tilt relative to axis C1, the 1st main bearing 91 plays function as the thrust-bearing and radial bearing carrying out relative rotation for urceolus 2 and gear carrier 4.
1st supporting surface 91A is formed at the support member 91a along the end face configuration on the inner peripheral surface of the 1st extension part 2b of urceolus 2 and the axis C1 direction of main part 2a.1st supporting surface 91A is the surface for rolling element 91b contact of support member 91a.1st supporting surface 91A is the curved surface of arc-shaped.In addition, support member 91a can not also be established, but make the 1st supporting surface 91A be formed at urceolus 2.In this situation, urceolus 2 forms in the scope of the end face in the axis C1 direction of main part 2a from the inner peripheral surface of the 1st extension part 2b the curved surface of arc-shaped, this curved surface plays function as the 1st supporting surface 91A.
2nd supporting surface 41G is formed at the outer circumferential face of end plate 41f, contacts with rolling element 91b.In addition, in the present embodiment, the 2nd supporting surface 41G of the 1st the main bearing 91 and end plate 41f of the 1st component 41 is integrally formed, but is not limited thereto.Such as, at the outer circumferential face mounting support member of end plate 41f, this support member can also form the 2nd supporting surface 41G.
As shown in Figure 1, the 2nd supporting surface 41G in the link direction and axis C1 direction of linking member 5 relative to the position that imaginary plane and median surface S1 offset.Median surface S1 is the face of the equidistant position be positioned on axis C1 direction apart from the 1st surface of contact 41C and the 2nd surface of contact 41D, is positioned at the centre of the 1st surface of contact 41C and the 2nd surface of contact 41D.In the present embodiment, median surface S1 is overlapping with the end face 41B of end plate 41f on axis C1 direction.Therefore, the outer circumferential face of end plate 41f i.e. the 1st outer circumferential face 41F, the 2nd outer circumferential face 41H and the 2nd supporting surface 41G are positioned at than the position of median surface S1 by the end face 41A side of end plate 41f on axis C1 direction.That is, the 2nd supporting surface 41G offsets to the 1st surface of contact 41C side relative to median surface S1 in link direction.
In addition, when axle portion A1 is only formed by the 2nd protuberance 42b, the 2nd protuberance 42b contacts with the end face 41B of end plate 41f, and therefore, this end face 41B becomes the 2nd surface of contact 41D.In this situation, median surface S1 becomes the imaginary plane being positioned at the equidistant position apart from the 1st surface of contact 41C and end face 41B on axis C1 direction.
Thus, when the Eccentrically swinging gear device X1 of present embodiment, because the 1st main bearing 91 is positioned at the length range of linking member 5, therefore, it is possible to suppress this Eccentrically swinging gear device X1 to maximize in the link direction and axis C1 direction of linking member 5.And the 2nd supporting surface 41G configures in the mode offset relative to median surface S1 in above-mentioned link direction.Therefore, by utilizing linking member 5 to link the 1st component 41 and the 2nd component 42, though the 1st component 41 to be positioned at the position on median surface S1 very large to the radial outside distortion of gear carrier 4, the 2nd supporting surface 41G also can be suppressed to be scrolled body 91b and strongly to extrude.Therefore, it is possible to suppress the lost of life of Eccentrically swinging gear device X1.
In addition, when the Eccentrically swinging gear device X1 of present embodiment, because the 2nd supporting surface 41G is formed at the outer circumferential face of the 1st component 41, therefore, because utilizing linking member 5 to link the 1st component 41 and the 2nd component 42 and the 2nd supporting surface 41G is easily out of shape in the mode bloated to rolling element 91b side.2nd supporting surface 41G with avoid in the 1st component 41 because utilizing linking member 5 to link the 1st component 41 and the 2nd component 42 and the mode the most easily producing the position on the median surface S1 of distortion configures.Thus, the distortion of suppression the 2nd supporting surface 41G is conducive to.
Then, the variation of the Eccentrically swinging gear device X1 of present embodiment is described with reference to Fig. 3.
As shown in Figure 3, on axis C1 direction, the depth-set of the accommodation section 41d of the Eccentrically swinging gear device X1 of variation is the degree of depth of the accommodation section 41d of the Eccentrically swinging gear device X1 being greater than above-mentioned mode of execution.In addition, on axis C1 direction, the length setting of the 1st protuberance 41g of the 1st component 41 of the Eccentrically swinging gear device X1 of variation is the length of the 1st protuberance 41g of the 1st component 41 of the Eccentrically swinging gear device X1 being greater than above-mentioned mode of execution.In addition, on axis C1 direction, the length setting of the 2nd protuberance 42b of the 2nd component 42 of the Eccentrically swinging gear device X1 of variation is the length of the 2nd protuberance 42b of the 2nd component 42 of the Eccentrically swinging gear device X1 being less than above-mentioned mode of execution.
The end face 41B of the 1st surface of contact 41C and end plate 41f of the accommodation section 41d of the Eccentrically swinging gear device X1 of variation is in the same plane.Thus, the 2nd supporting surface 41G of the 1st main bearing 91 is positioned at the side contrary with the 2nd component 42 relative to the 1st surface of contact 41C on axis C1 direction.
The 2nd surface of contact 41D of the 1st protuberance 41g of the Eccentrically swinging gear device X1 of variation on axis C1 direction between the 1st wobble gear 71 and the 2nd wobble gear 72.That is, the 1st protuberance 41g of the 1st component 41 and the 2nd protuberance 42b of the 2nd component 42 on axis C1 direction, position between the 1st wobble gear 71 with the 2nd wobble gear 72 contacts.
When the Eccentrically swinging gear device X1 of variation, the median surface S1 between the 1st surface of contact 41C and the 2nd surface of contact 41D is positioned at the position leaning on the 2nd component 42 side than the end face 41B of end plate 41f in the link direction and axis C1 direction of linking member 5.Thus, main bearing 9 is positioned at than the position of median surface S1 by the end face 41A side of end plate 41f on axis C1 direction.In addition, the inner peripheral surface 41c being formed at the crankshaft hole 41b of end plate 41f is positioned at than the position of median surface S1 by the end face 41A side of end plate 41f on axis C1 direction.That is, inner peripheral surface 41c offsets relative to median surface S1 in the link direction and axis C1 direction of linking member 5.
1st component 41 be easily to the position that the radial outside of gear carrier 4 is out of shape at the link of linking member 5 position connect on direction and axis C1 direction between the 1st surface of contact 41C and the 2nd surface of contact 41D along with utilizing linking member 5 to link the 1st component 41 and the 2nd component 42.When the Eccentrically swinging gear device X1 of variation, on axis C1 direction, the 2nd supporting surface 41G is configured at than the position of the 1st surface of contact 41C by end face 41A side.Thereby, it is possible to make the 2nd supporting surface 41G avoid the yielding position of above-mentioned appearance.Thereby, it is possible to suppress further the 2nd supporting surface 41G to be subject to the impact of the distortion produced because utilizing linking member 5 to link the 1st component 41 and the 2nd component 42 of the 1st component 41.
And when the Eccentrically swinging gear device X1 of variation, the inner peripheral surface 41c of the crankshaft hole 41b of the 1st component 41 offsets relative to median surface S1 in the link direction and axis C1 direction of linking member 5.Therefore, it is possible to be out of shape very large situation under the impact of the distortion suppressing inner peripheral surface 41c to produce the 1st component 41 utilizing linking member 5 to link the 1st component 41 and the 2nd component 42.Therefore, it is possible to suppress because inner peripheral surface 41c is out of shape very large and make this inner peripheral surface 41c apply the situation of stronger pressing force to the axle main body 61 of bent axle 6 via crankshaft bearing B1.Thereby, it is possible to suppress the lost of life of Eccentrically swinging gear device X1.
In addition, in the variation shown in Fig. 3, axle portion A1 is formed by the 1st protuberance 41g and the 2nd protuberance 42b, but is not limited thereto, and can also only be formed by the 1st protuberance 41g.That is, the 2nd component 42 can not have the 2nd protuberance 42b.In this situation, the 1st protuberance 41g is inserted into patchhole 71b, 72b of wobble gear 7, and the 2nd surface of contact 41D of the 1st protuberance 41g contacts with the end face by the 1st component 41 side of baseplate part 42a.
Should think that present embodiment described above and variation are example in whole and and nonrestrictive.Scope of the present utility model is not represented by above-mentioned mode of execution and variation, but is represented by claims, and comprises all changes in the content and scope that are equal to claims.
At this, above-mentioned mode of execution is summarized.
Usually, when utilizing linking member to link the 1st component and the 2nd component, the 1st component is easily significantly out of shape in the mode bloated to radial outside on median surface.So, when above-mentioned Eccentrically swinging gear device, by configuring supporting surface in the mode offset relative to median surface in the link direction utilizing linking member to link the 1st component and the 2nd component, thus the situation that supporting surface can be suppressed under the impact of the distortion produced because of above-mentioned link of the 1st component to be scrolled body strongly extrude.Therefore, it is possible to suppress the lost of life of Eccentrically swinging gear device.
Preferably, above-mentioned supporting surface is positioned at the side contrary with above-mentioned 2nd component relative to above-mentioned 1st surface of contact in above-mentioned link direction.
When above-mentioned Eccentrically swinging gear device, the outside in the link direction of linking member, between the 1st surface of contact and the 2nd surface of contact region configures supporting surface.Therefore, it is possible to suppress this supporting surface to be subject to the impact of the distortion produced because of linking member link the 1st component and the 2nd component of the 1st component.
In addition, preferably, above-mentioned supporting surface and above-mentioned 1st component are integrally formed.
When above-mentioned Eccentrically swinging gear device, supporting surface is easily out of shape along with the distortion of the 1st component.Therefore, preferably, by configuring supporting surface in the mode offset relative to median surface in the link direction of linking member, thus the distortion of this supporting surface is suppressed.
In addition, preferably, above-mentioned Eccentrically swinging gear device also comprises bent axle.This bent axle is rotatably supported on the inner peripheral surface formed on above-mentioned 1st component, for making above-mentioned wobble gear swing rotary.In this situation, preferably, the above-mentioned inner peripheral surface of above-mentioned 1st component is located in above-mentioned link direction relative to the position that above-mentioned median surface offsets.
When above-mentioned Eccentrically swinging gear device, the inner peripheral surface of the 1st component is positioned at the position relative to median surface skew in the link direction of linking member.Therefore, it is possible to suppress the inner peripheral surface of the 1st component to be significantly out of shape under the impact of the distortion produced because of linking member link the 1st component and the 2nd component of the 1st component.Therefore, it is possible to suppress the inner peripheral surface because of the 1st component be significantly out of shape and strongly extruded by bent axle.Thereby, it is possible to suppress the lost of life of Eccentrically swinging gear device.
Preferably, above-mentioned bent axle has axle main body and the eccentric part relative to above-mentioned axle main body bias.In this situation, preferably, above-mentioned wobble gear is installed on above-mentioned eccentric part.
Preferably, above-mentioned wobble gear be located at above-mentioned urceolus main part inner peripheral surface in alligator to be meshed swing rotary on one side.
Preferably, above-mentioned 1st component has end plate and from above-mentioned end plate 1st protuberance outstanding to above-mentioned 2nd member side.In this situation, preferably, above-mentioned supporting surface is formed at above-mentioned end plate.In addition, preferably, above-mentioned 2nd surface of contact is the end face by the 2nd member side of above-mentioned 1st protuberance.
Preferably, above-mentioned 2nd component there is baseplate part and from aforesaid substrate portion to above-mentioned 1st member side extend the 2nd protuberance.In this situation, preferably, above-mentioned 2nd protuberance contacts in above-mentioned link direction with above-mentioned 1st protuberance.
Preferably, above-mentioned 1st component be formed with the 1st outer circumferential face extended along above-mentioned link direction and be positioned at than above-mentioned 1st outer circumferential face by the position of radially inner side of above-mentioned gear carrier and the 2nd outer circumferential face extended along above-mentioned link direction.In this situation, preferably, above-mentioned supporting surface is the curved surface of arc-shaped, between above-mentioned 1st outer circumferential face and above-mentioned 2nd outer circumferential face.
Preferably, above-mentioned 1st component has end plate, in addition, and the 2nd protuberance that above-mentioned 2nd component has baseplate part and is connected with aforesaid substrate portion.In this situation, preferably, above-mentioned 2nd protuberance contacts with the end face of above-mentioned end plate, thus this end face becomes above-mentioned 2nd surface of contact.
Preferably, above-mentioned linking member has and to be connected with above-mentioned head and to be the linking department of outside thread shape.In this situation, above-mentioned head has the external diameter of the external diameter being greater than above-mentioned linking department.
Preferably, above-mentioned 1st component be formed with the accommodation section for accommodating above-mentioned head and be connected with above-mentioned accommodation section and supply the through hole that the root of above-mentioned linking department inserts.In this situation, preferably, the diameter of above-mentioned through hole is set smaller than the diameter of the bottom surface of above-mentioned accommodation section.In addition, preferably, above-mentioned 2nd component is provided with the connect apertures be screwed for above-mentioned linking department.In this situation, preferably, the above-mentioned bottom surface of above-mentioned accommodation section becomes above-mentioned 1st surface of contact.
Preferably, above-mentioned supporting surface offsets to above-mentioned 1st contact surface side relative to above-mentioned median surface in above-mentioned link direction.
Claims (14)
1. an Eccentrically swinging gear device, is characterized in that, this Eccentrically swinging gear device comprises:
Urceolus;
Gear carrier, it has the 1st component and the 2nd component;
Linking member, it has the head pressing described 1st component from the side contrary with described 2nd component, for linking described 1st component and described 2nd component; And
Main bearing, it has the supporting surface for utilizing described 1st member supporting rolling element, and the length range being positioned at described linking member at least partially of this main bearing, allows the relative rotation between described urceolus with described gear carrier,
Described 1st component has and bears the 1st surface of contact of the fastening force of described linking member from described head and bear the 2nd surface of contact of the fastening force of described linking member from described 2nd component,
Described supporting surface is positioned at the position offset to described link direction relative to imaginary median surface in the link direction utilizing described linking member described 1st component of link and described 2nd component, and this imaginary median surface is positioned at the equidistant position apart from described 1st surface of contact and described 2nd surface of contact.
2. Eccentrically swinging gear device according to claim 1, is characterized in that, described supporting surface and described 1st component are integrally formed.
3. Eccentrically swinging gear device according to claim 1, is characterized in that, described supporting surface is positioned at the side contrary with described 2nd component relative to described 1st surface of contact in described link direction.
4. Eccentrically swinging gear device according to claim 3, is characterized in that, described supporting surface and described 1st component are integrally formed.
5. the Eccentrically swinging gear device according to any one of Claims 1 to 4, it is characterized in that, this Eccentrically swinging gear device also comprises bent axle, this bent axle is rotatably supported on the inner peripheral surface formed on described 1st component, for making wobble gear swing rotary, the described inner peripheral surface of described 1st component is located in described link direction relative to the position that described median surface offsets.
6. Eccentrically swinging gear device according to claim 5, is characterized in that, described bent axle has axle main body and the eccentric part relative to described axle main body bias, and described wobble gear is installed on described eccentric part.
7. Eccentrically swinging gear device according to claim 5, is characterized in that, described wobble gear be located at described urceolus main part inner peripheral surface in alligator to be meshed swing rotary on one side.
8. the Eccentrically swinging gear device according to any one of Claims 1 to 4, is characterized in that, described 1st component has end plate and from described end plate 1st protuberance outstanding to described 2nd member side, described supporting surface is formed at described end plate,
Described 2nd surface of contact is the end face by the 2nd member side of described 1st protuberance.
9. Eccentrically swinging gear device according to claim 8, it is characterized in that, the 2nd protuberance that described 2nd component has baseplate part and extends to described 1st member side from described baseplate part, described 2nd protuberance contacts in described link direction with described 1st protuberance.
10. the Eccentrically swinging gear device according to any one of Claims 1 to 4, it is characterized in that, described 1st component is formed the 1st outer circumferential face extended along described link direction and is positioned at than described 1st outer circumferential face by the position of radially inner side of described gear carrier and the 2nd outer circumferential face extended along described link direction, described supporting surface is the curved surface of arc-shaped, between described 1st outer circumferential face and described 2nd outer circumferential face.
11. Eccentrically swinging gear devices according to claim 1, it is characterized in that, described 1st component has end plate, the 2nd protuberance that described 2nd component has baseplate part and is connected with described baseplate part, described 2nd protuberance contacts with the end face of described end plate, thus this end face becomes described 2nd surface of contact.
12. Eccentrically swinging gear devices according to any one of Claims 1 to 4, is characterized in that, described linking member has and to be connected with described head and to be the linking department of outside thread shape,
Described head has the external diameter of the external diameter being greater than described linking department.
13. Eccentrically swinging gear devices according to claim 12, it is characterized in that, described 1st component is formed the accommodation section of accommodating described head and is connected with described accommodation section and supplies the through hole that the root of described linking department inserts, the diameter of described through hole is set smaller than the diameter of the bottom surface of described accommodation section, described 2nd component is provided with the connect apertures be screwed for described linking department, and the described bottom surface of described accommodation section becomes described 1st surface of contact.
14. Eccentrically swinging gear devices according to any one of Claims 1 to 4, is characterized in that, described supporting surface in described link direction relative to described median surface to described 1st contact surface side skew.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-236397 | 2014-11-21 | ||
| JP2014236397A JP6563640B2 (en) | 2014-11-21 | 2014-11-21 | Eccentric oscillating gear unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205173376U true CN205173376U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520934511.0U Ceased CN205173376U (en) | 2014-11-21 | 2015-11-20 | Eccentrically swinging gear device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6563640B2 (en) |
| CN (1) | CN205173376U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360274A (en) * | 2019-07-22 | 2019-10-22 | 孙金曦 | Planetary speed reducer with small tooth number difference |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100905258B1 (en) * | 2007-07-11 | 2009-06-29 | 세메스 주식회사 | Plate, apparatus of adjusting a temperature of a substrate having the same and apparatus of treating a substrate having the same |
| EP2241782B1 (en) * | 2008-02-13 | 2012-04-18 | Nabtesco Corporation | Eccentric speed reducer |
-
2014
- 2014-11-21 JP JP2014236397A patent/JP6563640B2/en active Active
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2015
- 2015-11-20 CN CN201520934511.0U patent/CN205173376U/en not_active Ceased
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| Publication number | Publication date |
|---|---|
| JP2016098908A (en) | 2016-05-30 |
| JP6563640B2 (en) | 2019-08-21 |
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