CN201963757U - Universal transmission mechanism and geared motor comprising the same - Google Patents

Universal transmission mechanism and geared motor comprising the same Download PDF

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Publication number
CN201963757U
CN201963757U CN2010206917346U CN201020691734U CN201963757U CN 201963757 U CN201963757 U CN 201963757U CN 2010206917346 U CN2010206917346 U CN 2010206917346U CN 201020691734 U CN201020691734 U CN 201020691734U CN 201963757 U CN201963757 U CN 201963757U
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CN
China
Prior art keywords
cydariform
transmission mechanism
matrix
universal transmission
curved
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Expired - Lifetime
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CN2010206917346U
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Chinese (zh)
Inventor
祝继红
张高军
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BYD Co Ltd
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BYD Co Ltd
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Priority to CN2010206917346U priority Critical patent/CN201963757U/en
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Abstract

The utility model provides a universal transmission mechanism and geared motor containing the mechanism. The universal transmission mechanism comprises a cross section I, a cross section II, and connecting pieces. The cross section I comprises basal I and two No. 1 extension arms. The cross section II comprises basal II and two No. 2 extension arms. The connecting pieces comprise a drum matrix and four locking parts which project from the ring surface of the drum matrix. A locking slot is between two adjacent locking parts. The two No. 1 extension arms rotatably claw separately at two opposite locking slots. The two No. 2 extension arms II rotatably claw separately at the other two opposite locking slots. The geared motor comprises a motor, a shell, a worm wheel, a worm, and the universal transmission mechanism. The universal transmission mechanism is installed between the worm and output shaft of the motor. The universal transmission mechanism can reduce vibration and noise during turning of the worm and the worm wheel. The universal transmission mechanism has the advantages of: simple structure, and convenience in assembly and disassembly.

Description

A kind of universal transmission mechanism and comprise the reducing motor of this mechanism
Technical field
The utility model relates to a kind of universal transmission mechanism and comprises the reducing motor of this mechanism.
Background technique
A kind of worm and gear reducing motor is arranged in the prior art, and this reducing motor mainly comprises motor, worm gear and worm screw, and the output shaft of motor links to each other with worm screw, the worm and wheel engagement, and the motor driving worm screw is rotated, and the worm drive worm gear rotates.But, in the existing worm and gear reducing motor, fixedly connected by adpting flange between the output shaft of worm screw and motor, between this fixedly connected output shaft that requires worm screw and motor higher coaxial accuracy is arranged, bigger as if coaxiality error between the output shaft that causes worm screw and motor because of the reason of processing or assemble, have vibration and noise when then this worm and gear reducing motor turns round, influence the transmission effect, and reduced the working life of this reducing motor.
In order to reduce above-mentioned vibration and noise, have in the prior art and adopt the cross universal shaft coupling to carry out being connected of output shaft of worm screw and motor, adopt the cross universal shaft coupling can effectively reduce above-mentioned vibration and noise, but, cross universal shaft coupling structure complexity, processing and assembling are difficult, and cost is higher.
The model utility content
The utility model is for solving above-mentioned cross universal shaft coupling structure complexity, cost problem of higher, a kind of universal transmission mechanism is provided, this universal transmission mechanism can interconnect two bigger rotatingshafts of coaxiality error and can avoid because of the big problem that produces of coaxiality error, in addition, this universal transmission mechanism is simple in structure, easily assembling, cost is lower.
Universal transmission mechanism of the present utility model, comprise the first segment fork, second joint fork and the link, described first segment fork comprises first base portion and two first cantilever arms that stretch out to equidirectional from first base portion, the described second joint fork comprises second base portion and two second cantilever arms that stretch out to equidirectional from second base portion, described link comprises the cydariform matrix and from four limited parts of the ring surface upper process of cydariform matrix, four limited parts are along the circumferential distribution of cydariform matrix, form restraining groove between adjacent two limited parts, catching rotationally is in two relative restraining grooves respectively for two first cantilever arms, and the catching rotationally of two second cantilever arm difference is in two other relative restraining groove.
Further, each first cantilever arm is provided with one first curved part, first crooked position is in the side away from first base portion of first cantilever arm, two first curved parts are relative, stretching out on the direction of first cantilever arm, the middle opposite end of each first curved part is to the direction depression away from another first curved part; Each second cantilever arm is provided with one second curved part, second crooked position is in the side away from second base portion of second cantilever arm, two second curved parts are relative, stretching out on the direction of second cantilever arm, the middle opposite end of each second curved part is to the direction depression away from another second curved part; Two first curved parts are stuck in respectively in two relative restraining grooves rotationally, and two second curved parts are stuck in respectively in two other relative restraining groove rotationally.
Further, two first curved parts away from the distance between the end of first base portion greater than two interplanar distances of cydariform matrix and less than the maximum diameter of cydariform matrix, two second curved parts away from the distance between the end of second base portion greater than the distance between two planes of cydariform matrix and less than the maximum diameter of cydariform matrix.
Further, first curved part is provided with first concave surface that matches with the ring surface of cydariform matrix, and stretching out on the direction of first cantilever arm, the middle opposite end of each first concave surface is to the direction depression away from another first concave surface; Second curved part is provided with second concave surface that matches with the ring surface of cydariform matrix, and stretching out on the direction of second cantilever arm, cave in to the direction away from another second concave surface in the centre of each second concave surface its two ends relatively.
Further, being shaped as of two first concave surfaces belongs to same cylindrical cylindrical surface, being shaped as of two second concave surfaces belongs to same cylindrical cylindrical surface, the ring surface of cydariform matrix is a sphere curved surface, the radius of described sphere curved surface is identical with the radius of above-mentioned cylindrical surface, four limited parts circumferentially evenly distributing along the cydariform matrix.
Further, two first concave surfaces be shaped as the sphere curved surface that belongs to same spheroid, two second concave surfaces be shaped as the sphere curved surface that belongs to same spheroid, the ring surface of cydariform matrix is a sphere curved surface, the radius of three sphere curved surfaces is identical, four limited parts circumferentially evenly distributing along the cydariform matrix.
Further, described cydariform matrix comprises the first half cydariform portions and the second half cydariform portions, each limited part comprises first limit body and second limit body, the first half cydariform portions are identical with the shape of the second half cydariform portions, first limit body of each limited part is identical with the shape of second limit body, the first half cydariform portions and the second half cydariform portions are oppositely arranged and the opposing side of the two fits.
Further, the plane relative with the second half cydariform portions of the first half cydariform portions is provided with first cavity, the plane relative with the first half cydariform portions of the second half cydariform portions is provided with second cavity, first cavity is relative with second cavity, described link comprises spring, spring is arranged in first cavity and second cavity with being compressed, the two ends of spring respectively with the diapire butt of first cavity and second cavity.
Further, the width of each first curved part is suitable with the width of corresponding restraining groove, is gap or transition fit between first curved part and the restraining groove; The width of each second curved part adapts with the width of corresponding restraining groove, is gap or transition fit between second curved part and the restraining groove.
Further, the width of each first curved part equates that with the width of corresponding restraining groove the width of each second curved part equates with the width of corresponding restraining groove.
Further, first base portion is provided with first mounting hole, the axis of first mounting hole and first cantilever arm to stretch out direction identical, second base portion is provided with second mounting hole, the axis of second mounting hole and second cantilever arm to stretch out direction identical.
The utility model also provides a kind of reducing motor, described reducing motor comprises: motor, housing, worm gear and worm screw, worm gear and worm screw are installed in rotation in the housing, worm gear and worm screw are meshing with each other, motor is fixedly mounted on the housing and its output shaft extend in the housing, wherein, described reducing motor also comprises as described in the claim 11 and be arranged on universal transmission mechanism in the housing, this universal transmission mechanism is arranged between the output shaft of worm screw and motor, the output shaft of motor is fixedly mounted in first mounting hole, and the end of the close motor of worm screw is fixedly mounted in second mounting hole.
The beneficial effects of the utility model are: in the utility model, the link swing relatively of first segment fork, the second joint fork is link swing relatively also, and the swaying direction of the first segment fork and the second joint fork is different, and therefore second joint is pitched relatively first segment and pitched and swing in all directions.Because the first segment fork can be relative respectively to swing with the second joint fork, therefore reduced requirement to the coaxality between the output shaft of worm screw and motor, even the coaxiality error between the output shaft of worm screw and motor is bigger, can not produce vibration and noise in the worm and gear rotating process yet.In addition, universal transmission mechanism of the present utility model, have only first segment fork, second joint fork and three parts of link, structure is simpler, and, the rotation that three parts interconnect and can realize expecting by their structure characteristic, do not need to adopt again screw or bolt etc. that they are interconnected, therefore, assembling and dismounting are all very simple, have saved the cost of processing and assembling.
Description of drawings
Fig. 1 is the structural representation of the universal transmission mechanism of a kind of mode of execution of the utility model;
Fig. 2 is the exploded perspective view of the universal transmission mechanism of a kind of mode of execution of the utility model;
Fig. 3 is the sectional structure schematic representation (axis along the cydariform matrix dissects) of the universal transmission mechanism of a kind of mode of execution of the utility model;
Fig. 4 is the exploded perspective view of link in a kind of mode of execution of the utility model;
Fig. 5 is the sectional structure schematic representation (axis along the cydariform matrix dissects) of the worm and gear reducing motor of a kind of mode of execution of the utility model.
Embodiment
Clearer for technical problem, technological scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and the embodiments, the utility model is further elaborated.Should be appreciated that embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As Fig. 1-shown in Figure 4, the universal transmission mechanism of a kind of mode of execution of the present utility model, comprise first segment fork 1, second joint fork 2 and the link 3, described first segment fork 1 comprises first base portion 101 and two first cantilever arms 102 that stretch out to equidirectional from first base portion 101, the described second joint fork 2 comprises second base portion 201 and two second cantilever arms 202 that stretch out to equidirectional from second base portion 201, described link 3 comprises cydariform matrix 301 and from four limited parts 302 of the ring surface upper process of cydariform matrix 301, four limited parts 302 are along the circumferential distribution of cydariform matrix 301, form restraining groove 309 between adjacent two limited parts 302, catching rotationally is in two relative restraining grooves 309 respectively for two first cantilever arms 102, and two second cantilever arm 202 difference catchings rotationally are in two other relative restraining groove 309.
Each first cantilever arm 102 is provided with one first curved part 104, first curved part 104 is positioned at the side away from first base portion 101 of first cantilever arm 102, two first curved parts 104 are relative, stretching out on the direction of first cantilever arm 102, cave in to the direction away from another first curved part 104 in the centre of each first curved part 104 its two ends relatively.Each second cantilever arm 202 is provided with one second curved part 204, second curved part 204 is positioned at the side away from second base portion 201 of second cantilever arm 202, two second curved parts 204 are relative, stretching out on the direction of second cantilever arm 202, cave in to the direction away from another second curved part 204 in the centre of each second curved part 204 its two ends relatively.Two first curved parts 104 are stuck in respectively in two relative restraining grooves 309 rotationally, and two second curved parts 204 are stuck in respectively in two other relative restraining groove 309 rotationally.
Two first curved parts 104 away from the distance between the end of first base portion 101 greater than two interplanar distances of cydariform matrix 301 and less than the maximum diameter of cydariform matrix 301, two second curved parts 204 away from the distance between the end of second base portion 201 greater than the distance between two planes of cydariform matrix 301 and less than the maximum diameter of cydariform matrix 301.
First curved part 104 is provided with first concave surface 105 that matches with the ring surface of cydariform matrix 301, stretching out on the direction of first cantilever arm 102, cave in to the direction away from another first concave surface 105 in the centre of each first concave surface 105 its two ends relatively, second curved part 204 is provided with second concave surface 205 that matches with the ring surface of cydariform matrix 301, stretching out on the direction of second cantilever arm 202, cave in to the direction away from another second concave surface 205 in the centre of each second concave surface 205 its two ends relatively.
Preferably, four limited parts 302 circumferentially evenly distributing along cydariform matrix 301.
Being shaped as of two first concave surfaces 105 belongs to same cylindrical cylindrical surface, being shaped as of two second concave surfaces 205 belongs to same cylindrical cylindrical surface, the ring surface of cydariform matrix 301 is a sphere curved surface, and the radius of described sphere curved surface is identical with the radius of above-mentioned two cylindrical surfaces.Above-mentioned cylindrical body is virtual cylindrical body, for the shape that first concave surface 105 and second concave surface 205 are described proposes.
It is splined hole that first base portion 101 is provided with first mounting hole, 103, the first mounting holes 103, the axis of first mounting hole 103 and first cantilever arm 102 to stretch out direction identical.It is splined hole that second base portion 201 is provided with second mounting hole, 203, the second mounting holes 203, the axis of second mounting hole 203 and second cantilever arm 202 to stretch out direction identical.
The width of each first curved part adapts with the width of corresponding restraining groove 309, is gap or transition fit between first curved part and the restraining groove 309; The width of each second curved part adapts with the width of corresponding restraining groove 309, is gap or transition fit between second curved part and the restraining groove 309.Preferably, the width of each first curved part equates that with the width of corresponding restraining groove 309 width of each second curved part equates with the width of corresponding restraining groove 309.The installation method of the universal transmission mechanism of present embodiment is described below.With first segment fork 1, the second joint fork 2 and link 3 are placed by orientation shown in Figure 2, this moment the axis of first mounting hole 103 and the axis approximate vertical of second mounting hole 203, first segment fork 1 is moved to link 3 directions, make two first curved parts 104 move to the place, two planes of cydariform matrix 301, since two first curved parts 104 away from the distance between the end of first base portion 101 greater than the distance between two planes of cydariform matrix 301, therefore two first curved parts 104 are movable to the place, two planes of cydariform matrix 301, then link 3 is rotated about 90 degree, two first curved parts 104 are inserted into respectively in two restraining grooves 309.The second joint fork 2 is moved down, make two second curved parts 204 move to the place, two planes of cydariform matrix 301, then the second joint fork 2 is rotated about 90 degree, two second curved parts 204 are inserted into respectively in two restraining grooves 309, and this moment, the axis of first mounting hole 103 roughly overlapped with the axis of second mounting hole 203.
Universal transmission mechanism after installing as shown in Figure 1, first segment fork 1 link 3 relatively swings up and down, the second joint fork 2 is link 3 swings relatively also, and the swaying direction of the first segment fork 1 and the second joint fork 2 is vertical, therefore the second joint fork 2 relatively first segment pitch 1 and swing in all directions.
When needs are dismantled this universal transmission mechanism, rotatable first segment the fork 1 or second joint fork 2, make two first curved parts 104 or two second curved parts 204 move to the place, two planes of cydariform matrix 301, then first segment the fork 1 or second joint fork 2 is deviate from from link 3, next dismantle another one joint fork again, concrete method for dismounting is opposite with assembly method, therefore repeats no more.
By top description as can be known, when this universal transmission mechanism work, two first curved parts 104 or two second curved parts 204 can not move to the place, two planes of cydariform matrix 301, promptly can not make the axis normal of the axis and second mounting hole 203 of first mounting hole 103, because this moment, first segment the fork 1 or second joint fork 2 can be deviate from, cause this universal transmission mechanism cisco unity malfunction from link 3.
The universal transmission mechanism of present embodiment, have only first segment fork 1, second joint fork 2 and 3 three parts of link, structure is simpler, in addition, three parts do not need to adopt screw or bolt etc. that they are interconnected, therefore by the rotation that their structure characteristic interconnects and can realize expecting again, assembling and dismounting are all very simple, have saved the cost of processing and assembling.
In this universal transmission mechanism, because being shaped as of two first concave surfaces 105 belongs to same cylindrical cylindrical surface, being shaped as of two second concave surfaces 205 belongs to same cylindrical cylindrical surface, the ring surface of cydariform matrix 301 is a sphere curved surface, therefore the radius of described sphere curved surface is identical with the radius of above-mentioned cylindrical surface, and two first concave surfaces 105 have preferably with the ring surface of cydariform matrix 301 with two second concave surfaces 205 and contact.Certainly, because manufacturing tolerance, contacting between the ring surface of first concave surface 105 and second concave surface 205 and cydariform matrix 301 may be not so good, have the gap, causes producing in the process of this universal transmission mechanism motion vibrating and noise.In order to contact better between the ring surface that makes first concave surface 105 and second concave surface 205 and cydariform matrix 301, avoid vibration and noise, preferably, the cydariform matrix comprises the first half cydariform portions 304 and the second half cydariform portions 305, each limited part 302 comprises the first limit body 302a and the second limit body 302b, the first half cydariform portions 304 are identical with the shape of the second half cydariform portions 305, the first limit body 302a of each limited part 302 is identical with the shape of the second limit body 302b, the first half cydariform portions 304 and the second half cydariform portions 305 are oppositely arranged and the opposing side of the two fits.It is relative with second cavity 307 that the plane relative with the first half cydariform portions 304 that the plane relative with the second half cydariform portions 305 of the first half cydariform portions 304 is provided with first cavity, 306, the second half cydariform portions 305 is provided with second cavity, 307, the first cavitys 306.Link 3 also comprises spring 308, and spring 308 is a pressure spring, and spring 308 is arranged in first cavity 306 and second cavity 307, the two ends of spring 308 respectively with the diapire butt of first cavity 306 and second cavity 307.The elastic force of spring 308 is separated from each other the first half cydariform portions 304 and the second half cydariform portions 305, therefore, when this universal transmission mechanism is installed, the elastic force that operator need overcome spring 308 fits together the first half cydariform portions 304 and the second half cydariform portions 305 mutually, simultaneously each the first limit body 302a and the second limit body 302b align respectively, whole link 3 are done as a wholely to install with first segment the fork 1 and second joint fork 2 then.After whole universal transmission mechanism installs, spring 308 pairs the first half cydariform portions 304 and the second half cydariform portions 305 produce the active force that the two is separated from each other, described active force can make and contact better between the ring surface of first concave surface 105 and second concave surface 205 and cydariform matrix 301, reduce vibration and noise in this universal transmission mechanism movement process, simultaneously, because the restriction of first concave surface 105 and second concave surface 205, the first half cydariform portions 304 and the second half cydariform portions 305 can not be separated from each other, promptly the structure by this universal transmission mechanism can realize being mutually permanently connected of the first half cydariform portions 304 and the second half cydariform portions 305, does not need to adopt welding or screw connection etc. again.
The universal transmission mechanism of present embodiment can be used on to be needed to interconnect between various two rotatingshafts and transmission but the occasion of two rotatingshaft disalignments (coaxiality error is bigger in other words) is the application that example illustrates this universal transmission mechanism with the worm and gear reducing motor below.
Specifically as shown in Figure 5, this worm and gear reducing motor mainly comprises: motor 5, housing 6, worm gear 7, the universal transmission mechanism of worm screw 8 and present embodiment, worm gear 7 and worm screw 8 are installed in rotation in the housing 6, worm gear 7 and worm screw 8 are meshing with each other, worm screw 8 is installed in rotation in the housing 6 by two bearings, motor 5 is installed on the housing 6 by screw, the output shaft 501 of motor 5 extend in the housing 6, universal transmission mechanism is arranged between the output shaft 501 of worm screw 8 and motor 5, the output shaft 501 of motor 5 is installed in first mounting hole 103 and pitches 1 by spline fitted and first segment fixedlys connected, and the end of the close motor 5 of worm screw 8 is installed in second mounting hole 203 and by spline fitted fixedlys connected with the second joint fork 2.Because the error when processing and assembling, coaxiality error between the output shaft 501 of worm screw 8 and motor 5 is bigger, therefore, if adopt adpting flange that worm screw 8 is linked to each other with the output shaft 501 of motor 5, then in worm gear 7 and worm screw 8 rotating process, can produce vibration and noise, the working life of reducing this worm and gear reducing motor; In the present embodiment owing to adopted universal transmission mechanism, the first segment fork 1 of this universal transmission mechanism can be swung relatively with the second joint fork 2, therefore reduced requirement to the coaxality between the output shaft 501 of worm screw 8 and motor 5, even the coaxiality error between the output shaft 501 of worm screw 8 and motor 5 is bigger, can not produce vibration and noise in worm gear 7 worm screws 8 rotating process yet.
In the universal transmission mechanism in another kind of mode of execution of the present utility model, two first concave surfaces 105 be shaped as the sphere curved surface that belongs to same spheroid, two second concave surfaces 205 be shaped as the sphere curved surface that belongs to same spheroid, the ring surface of cydariform matrix 301 is a sphere curved surface, and the radius of three sphere curved surfaces is identical.Above-mentioned spheroid is virtual spheroid, for the shape that first concave surface 105 and second concave surface 205 are described proposes.Other is identical with previous mode of execution.
The above only is a better embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims (12)

1. universal transmission mechanism, it is characterized in that, comprise the first segment fork, second joint fork and the link, described first segment fork comprises first base portion and two first cantilever arms that stretch out to equidirectional from first base portion, the described second joint fork comprises second base portion and two second cantilever arms that stretch out to equidirectional from second base portion, described link comprises the cydariform matrix and from four limited parts of the ring surface upper process of cydariform matrix, four limited parts are along the circumferential distribution of cydariform matrix, form restraining groove between adjacent two limited parts, catching rotationally is in two relative restraining grooves respectively for two first cantilever arms, and the catching rotationally of two second cantilever arm difference is in two other relative restraining groove.
2. universal transmission mechanism as claimed in claim 1, it is characterized in that, each first cantilever arm is provided with one first curved part, first crooked position is in the side away from first base portion of first cantilever arm, two first curved parts are relative, stretching out on the direction of first cantilever arm, the middle opposite end of each first curved part is to the direction depression away from another first curved part; Each second cantilever arm is provided with one second curved part, second crooked position is in the side away from second base portion of second cantilever arm, two second curved parts are relative, stretching out on the direction of second cantilever arm, the middle opposite end of each second curved part is to the direction depression away from another second curved part; Two first curved parts are stuck in respectively in two relative restraining grooves rotationally, and two second curved parts are stuck in respectively in two other relative restraining groove rotationally.
3. universal transmission mechanism as claimed in claim 2, it is characterized in that, two first curved parts away from the distance between the end of first base portion greater than two interplanar distances of cydariform matrix and less than the maximum diameter of cydariform matrix, two second curved parts away from the distance between the end of second base portion greater than the distance between two planes of cydariform matrix and less than the maximum diameter of cydariform matrix.
4. universal transmission mechanism as claimed in claim 3, it is characterized in that, first curved part is provided with first concave surface that matches with the ring surface of cydariform matrix, and stretching out on the direction of first cantilever arm, the middle opposite end of each first concave surface is to the direction depression away from another first concave surface; Second curved part is provided with second concave surface that matches with the ring surface of cydariform matrix, and stretching out on the direction of second cantilever arm, cave in to the direction away from another second concave surface in the centre of each second concave surface its two ends relatively.
5. universal transmission mechanism as claimed in claim 4, it is characterized in that, being shaped as of two first concave surfaces belongs to same cylindrical cylindrical surface, being shaped as of two second concave surfaces belongs to same cylindrical cylindrical surface, the ring surface of cydariform matrix is a sphere curved surface, the radius of described sphere curved surface is identical with the radius of above-mentioned cylindrical surface, four limited parts circumferentially evenly distributing along the cydariform matrix.
6. universal transmission mechanism as claimed in claim 4, it is characterized in that, two first concave surfaces be shaped as the sphere curved surface that belongs to same spheroid, two second concave surfaces be shaped as the sphere curved surface that belongs to same spheroid, the ring surface of cydariform matrix is a sphere curved surface, the radius of three sphere curved surfaces is identical, four limited parts circumferentially evenly distributing along the cydariform matrix.
7. universal transmission mechanism as claimed in claim 1, it is characterized in that, described cydariform matrix comprises the first half cydariform portions and the second half cydariform portions, each limited part comprises first limit body and second limit body, the first half cydariform portions are identical with the shape of the second half cydariform portions, first limit body of each limited part is identical with the shape of second limit body, the first half cydariform portions and the second half cydariform portions are oppositely arranged and the opposing side of the two fits.
8. universal transmission mechanism as claimed in claim 7, it is characterized in that, the plane relative with the second half cydariform portions of the first half cydariform portions is provided with first cavity, the plane relative with the first half cydariform portions of the second half cydariform portions is provided with second cavity, first cavity is relative with second cavity, described link comprises spring, and spring is arranged in first cavity and second cavity with being compressed, the two ends of spring respectively with the diapire butt of first cavity and second cavity.
9. universal transmission mechanism as claimed in claim 2 is characterized in that, the width of each first curved part is suitable with the width of corresponding restraining groove, is gap or transition fit between first curved part and the restraining groove; The width of each second curved part adapts with the width of corresponding restraining groove, is gap or transition fit between second curved part and the restraining groove.
10. universal transmission mechanism as claimed in claim 9 is characterized in that, the width of each first curved part equates that with the width of corresponding restraining groove the width of each second curved part equates with the width of corresponding restraining groove.
11. as each described universal transmission mechanism among the claim 1-10, it is characterized in that, first base portion is provided with first mounting hole, the axis of first mounting hole and first cantilever arm to stretch out direction identical, second base portion is provided with second mounting hole, the axis of second mounting hole and second cantilever arm to stretch out direction identical.
12. reducing motor, comprise: motor, housing, worm gear and worm screw, worm gear and worm screw are installed in rotation in the housing, worm gear and worm screw are meshing with each other, motor is fixedly mounted on the housing and its output shaft extend in the housing, it is characterized in that, described reducing motor also comprises as described in the claim 11 and be arranged on universal transmission mechanism in the housing, this universal transmission mechanism is arranged between the output shaft of worm screw and motor, the output shaft of motor is fixedly mounted in first mounting hole, and the end of the close motor of worm screw is fixedly mounted in second mounting hole.
CN2010206917346U 2010-12-29 2010-12-29 Universal transmission mechanism and geared motor comprising the same Expired - Lifetime CN201963757U (en)

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CN2010206917346U CN201963757U (en) 2010-12-29 2010-12-29 Universal transmission mechanism and geared motor comprising the same

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Application Number Priority Date Filing Date Title
CN2010206917346U CN201963757U (en) 2010-12-29 2010-12-29 Universal transmission mechanism and geared motor comprising the same

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CN201963757U true CN201963757U (en) 2011-09-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106979249A (en) * 2017-05-12 2017-07-25 江苏希西维轴承有限公司 A kind of universal joint bearing
CN113291215A (en) * 2021-06-28 2021-08-24 重庆长安汽车股份有限公司 Manual regulation and automatically regulated car seat headrest

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106979249A (en) * 2017-05-12 2017-07-25 江苏希西维轴承有限公司 A kind of universal joint bearing
CN113291215A (en) * 2021-06-28 2021-08-24 重庆长安汽车股份有限公司 Manual regulation and automatically regulated car seat headrest

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Granted publication date: 20110907