CN219673256U - Axial limit structure of transmission piece - Google Patents
Axial limit structure of transmission piece Download PDFInfo
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- CN219673256U CN219673256U CN202321308602.4U CN202321308602U CN219673256U CN 219673256 U CN219673256 U CN 219673256U CN 202321308602 U CN202321308602 U CN 202321308602U CN 219673256 U CN219673256 U CN 219673256U
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- clamping groove
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- limiting structure
- axial limiting
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model provides an axial limiting structure of a transmission piece. The axial limiting structure of the transmission part comprises a shell, a rotating part and a clamping part; the shell surrounds the periphery of the rotating piece; the outer surface of the rotating piece is provided with a first annular clamping groove which is arranged in the axial middle of the rotating piece; the shell is correspondingly provided with a second annular clamping groove; one part of the clamping piece is arranged in the first annular clamping groove, and the other part of the clamping piece is arranged in the second annular clamping groove. According to the utility model, the first annular clamping groove is arranged in the axial middle part of the rotating piece and matched with the second annular clamping groove on the shell, so that the clamping piece is axially restrained, and the problem that the clamping piece is separated from the clamping groove in the transmission process is solved.
Description
Technical Field
The utility model relates to the technical field of transmission components, in particular to an axial limiting structure of a transmission part.
Background
In the existing transmission shafting arrangement scheme, parts such as a bearing, a gear and a clutch all need to be designed with an axial limiting scheme, and axial limiting is generally carried out on the end face by adopting a pressing plate, a locking nut, a clamping ring and the like.
The current common proposal is to install the clamping piece on the end face of the limited piece, and has the following problems: the length of the clamping piece is difficult to design, is too short to be easily separated, and is too long to assemble; the depth of the clamping groove needs to be fully evaluated and verified, so that the clamping groove is difficult to disassemble and assemble, and the clamping piece is easy to separate; the fillet control of the clamping groove is difficult, the stress concentration is easy to be realized when the clamping groove is too small, and the clamping piece is easy to be separated when the clamping groove is too large.
Accordingly, there is a need to provide an improved axial stop structure for a driving member to solve the above-mentioned problems.
Disclosure of Invention
The utility model provides an axial limiting structure of a transmission piece, which can prevent a clamping piece from falling off.
The utility model discloses an axial limiting structure of a transmission part, which comprises a shell, a rotating part and a clamping part, wherein the rotating part is arranged on the shell; the shell surrounds the periphery of the rotating piece; the outer surface of the rotating piece is provided with a first annular clamping groove, and the first annular clamping groove is arranged in the axial middle of the rotating piece; the shell is correspondingly provided with a second annular clamping groove; one part of the clamping piece is arranged in the first annular clamping groove, and the other part of the clamping piece is arranged in the second annular clamping groove.
Further, the housing is a clutch outer hub; the rotating piece is a baffle.
Further, the first annular clamping groove comprises a first clamping groove wall and a second clamping groove wall; the first slot wall is radially longer than the second slot wall.
Further, the first annular clamping groove comprises a first clamping groove wall and a second clamping groove wall; the second clamping groove wall is provided with a plurality of notches penetrating through the second clamping groove wall.
Further, the clutch also comprises a friction plate group, a piston pushing structure, a piston resetting structure and an output shaft; the housing transmits power to the output shaft through the friction plate set.
Further, the outer end surface of the rotating member and the outer end surface of the housing are located in the same plane.
Further, the shell is connected with the rotating piece through a spline; and the shell drives the rotating piece to rotate when rotating.
Further, the housing is a case provided on the peripheral side of the planetary gear mechanism, and the rotating member is a ring gear of the planetary gear mechanism.
Further, the planetary gear mechanism further comprises a planet wheel and a sun wheel which are connected with the planet wheel carrier; the planet wheel is in transmission connection with the rotating piece and the sun wheel.
Further, the clamping piece is a clamping ring.
Compared with the prior art, the clamping piece is axially restrained by arranging the first annular clamping groove in the axial middle part of the rotating piece and matching with the second clamping groove on the shell, so that the problem that the clamping piece is separated from the clamping groove in the transmission process is solved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the specification and together with the description, serve to explain the principles of the specification.
FIG. 1 is a side view of the axial limiting structure of the driving member of the present utility model mounted to a planetary gear train.
Fig. 2 is a front view of the planetary gear mechanism of fig. 1.
Fig. 3 is a cross-sectional view of the axial limiting structure of the driving medium of the present utility model mounted to a clutch.
Reference numerals illustrate: a housing, 110; a second annular clamping groove 111; a planetary gear mechanism 120; a rotating member 121; first annular clamping grooves 1211; a planet wheel 122; a carrier 123; sun gears, 124; a clamping piece 130; a housing, 210; a second annular clamping groove 211; a cavity 212; a compression structure 220; a rotating member 221; a first annular clamping groove 2211; a first card slot wall 2112; a second card slot wall 2113; friction plate set, 222; a first friction plate 2221; a second friction plate 2222; a piston 223; a piston pushing structure 224; a piston return structure 225; a clamping piece 230; an output shaft 240.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present specification. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present description as detailed in the accompanying claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. Unless defined otherwise, technical or scientific terms used in this specification should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of an entity. "plurality" or "plurality" means two or more. Unless otherwise indicated, the terms "front," "rear," "lower," and/or "upper" and the like are merely for convenience of description and are not limited to one location or one spatial orientation. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
Next, embodiments of the present specification will be described in detail.
The utility model discloses an axial limiting structure of a transmission part, which comprises a shell, a rotating part and a clamping part. The casing surrounds the circumference of the rotating member. The surface of rotating the piece encircles and is provided with first annular draw-in groove, and first annular draw-in groove sets up in the axial middle section of rotating the piece. The shell is correspondingly provided with a second annular clamping groove. One part of the clamping piece is arranged in the first annular clamping groove, and the other part of the clamping piece is arranged in the second annular clamping groove, so that the axial limiting function of the rotating piece is realized.
As shown in fig. 1 and 2, in an embodiment, the axial limiting structure of the transmission member is applied to the planetary gear train. The planetary gear train includes a housing 110, a planetary gear mechanism 120, and a snap-in member 130. The planetary gear mechanism 120 includes, in order from the outside to the inside, a rotary member 121 having a circular ring shape, a planetary gear 122 connected to a planetary carrier 123, and a sun gear 124. The planetary gears 122 mesh with the rotating member 121 and the sun gear 124 to transmit power. In the present embodiment, the housing 110 is a casing surrounding the periphery of the planetary gear mechanism 120, and the rotating member 121 is an annular ring gear.
The outer surface of the rotating member 121 is provided with a first annular catching groove 1211, and the first annular catching groove 1211 is provided in the axial middle of the rotating member 121. The side of the housing 110 facing the rotating member 121 is correspondingly provided with a second annular clamping groove 111. One part of the clamping piece 130 is fixed in the second annular clamping groove 111, and the other part of the clamping piece extends into the first annular clamping groove 1211. The clamping member 130 may be a clamping ring.
The first annular clamping groove 1211 of the present utility model is provided in the axial middle section of the rotating member 121 without providing a clamping groove at the end face of the rotating member 121. So that the axial space occupation of the planetary gear mechanism 120 is reduced and the structure is more compact.
When the planetary gear mechanism 120 transmits power, the inward inclination of the rotating member 121 receives an axial force, and the force is transmitted to the locking member 130, so that the locking member 130 tends to be separated from the locking groove. This tendency to fall out is more pronounced when the rotating member 121 itself also participates in rotation. The first annular clamping groove 1211 and the second annular clamping groove 111 can axially limit the clamping piece 130, prevent the clamping piece 130 from falling out, and effectively solve the problem of falling out of the clamping piece in the transmission process.
In another embodiment, as shown in fig. 3, the axial limiting structure of the transmission member of the present utility model is applied to a wet clutch. The wet clutch includes a housing 210, a compression structure 220, a snap 230, and an output shaft 240. In this embodiment, the housing 210 is a clutch outer hub. The housing 210 includes a cavity 212 with an opening, the opening of the cavity 212 being oriented toward the output shaft 240. The compression structure 220 is disposed within the cavity 212, and a portion of the output shaft 240 extends into the cavity 212. The housing 210 is in driving connection with an output shaft 240 via a compression structure 220.
The compression structure 220 includes a rotating member 221, a friction plate set 222, a piston 223, a piston pushing structure 224, and a piston return structure 225. In this embodiment, the rotating member 221 is a blocking piece. The casing 210 is provided with a rotating member 221, a friction plate group 222 and a piston 223 in sequence from the opening of the cavity 212 inwards. The outer end surface of the rotation member 221 is located in the same plane as the outer end surface of the housing 210. Piston pushing structure 224 is disposed on a side of piston 223 away from friction plate set 222, and piston return structure 225 is disposed on a side of piston 223 near friction plate set 222.
The rotary member 221 is coupled to the housing 210 by a spline. The friction plate group 222 includes a plurality of first friction plates 2221 and second friction plates 2222 that are stacked together. The first friction plate 2221 is arranged at intervals from the second friction plate 2222. Wherein the first friction plate 2221 is connected to the housing 210, and the second friction plate 2222 is connected to the output shaft 240. Piston 223 is connected to housing 210. When the housing 210 rotates, the rotor 221, the first friction plate 2221, and the piston 223 rotate together with the housing 210.
The outer surface of the rotating member 221 is provided with a first annular clamping groove 2211, and the first annular clamping groove 2211 is disposed at the axial middle part of the rotating member 221. The side of the housing 210 facing the rotating member 221 is correspondingly provided with a second annular clamping groove 211. One part of the clamping piece 230 is fixed in the second annular clamping groove 211, and the other part of the clamping piece extends into the first annular clamping groove 2211. The clamping member 230 may be a snap ring.
The first annular groove 2211 includes a first groove wall 2212 located on the inner side and a second groove wall 2213 located on the outer side. The first slot wall 2212 is radially longer than the second slot wall 2213; alternatively, the second slot wall 2213 is provided with a plurality of notches penetrating the second slot wall 2213.
The components in the compression structure 220 are installed with the components from the inside to the outside. The size of the last installed rotor 221 is determined by the remaining size of the cavity 212. The first slot wall 2212 is radially longer than the second slot wall 2213, or a plurality of notches penetrating the second slot wall 2213 are arranged on the second slot wall 2213. So that an operator can measure the specification of the rotating member 221, and the thickness of the clamping member 230 can be conveniently selected.
The housing 210 rotates as the clutch is driven. The piston pushing structure 224 pushes the piston 223 to move towards the friction plate group 222 and compress the friction plate group 222, and the rotating piece 221 is located outside the friction plate group 222 to limit the friction plate group 222. At this time, the first friction plate 2221 is attached to the second friction plate 2222, and the housing 210 transmits power to the output shaft 240 through the friction plate group 222, so as to drive the output shaft 240 to rotate.
When the clutch stops driving, the piston return structure 225 pushes the piston 223 away from the friction plate group 222, the first friction plate 2221 is separated from the second friction plate 2222, and the housing 210 stops driving the output shaft 240.
During operation of the clutch, the rotating member 221 receives an axial force, and the axial force is transmitted to the clamping member 230, so that the clamping member 230 tends to move axially, and thus is separated from the clamping groove. According to the utility model, the first annular clamping groove 2211 is arranged in the axial middle of the rotating member 221, and the corresponding second annular clamping groove 211 is arranged in the shell 210, so that the clamping member 230 can limit the rotating member 221 in the axial direction, and meanwhile, the clamping groove can limit the clamping member 230 in the axial direction, thereby preventing the clamping member 230 from falling off and affecting the operation of equipment.
The first annular clamping groove 2211 is arranged in the axial middle of the rotating piece 221, so that a clamping structure is not required to be arranged on the outer end surface of the rotating piece 221. The outer end surface of the rotating member 221 is in the same plane with the outer end surface of the housing 210, so that the clamping member 230 does not occupy too much axial space.
In summary, the axial limiting structure of the transmission member disclosed by the utility model can axially limit the clamping member, so that the clamping member is effectively prevented from falling off when the transmission mechanism operates, and the operation of the mechanism is affected. Meanwhile, the anti-falling structure ensures that the depth of the clamping groove does not need to be designed too deep, the radial length of the clamping piece does not need to be too long, and the design and the manufacture are convenient. The round angle of the clamping groove can be enlarged, and stress concentration can be effectively prevented.
Other embodiments of the present description will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This specification is intended to cover any variations, uses, or adaptations of the specification following, in general, the principles of the specification and including such departures from the present disclosure as come within known or customary practice within the art to which the specification pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the specification being indicated by the following claims.
It is to be understood that the present description is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present description is limited only by the appended claims.
The foregoing description of the preferred embodiments is provided for the purpose of illustration only, and is not intended to limit the scope of the disclosure, since any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the disclosure are intended to be included within the scope of the disclosure.
Claims (10)
1. The axial limiting structure of the transmission piece is characterized by comprising a shell, a rotating piece and a clamping piece; the shell surrounds the periphery of the rotating piece; the outer surface of the rotating piece is provided with a first annular clamping groove, and the first annular clamping groove is arranged in the axial middle of the rotating piece; the shell is correspondingly provided with a second annular clamping groove; one part of the clamping piece is arranged in the first annular clamping groove, and the other part of the clamping piece is arranged in the second annular clamping groove.
2. The axial spacing structure of a transmission according to claim 1, wherein the housing is a clutch outer hub; the rotating piece is a baffle.
3. The axial limiting structure of the transmission member according to claim 1, wherein the first annular clamping groove comprises a first clamping groove wall and a second clamping groove wall; the first slot wall is radially longer than the second slot wall.
4. The axial limiting structure of the transmission member according to claim 1, wherein the first annular clamping groove comprises a first clamping groove wall and a second clamping groove wall; the second clamping groove wall is provided with a plurality of notches penetrating through the second clamping groove wall.
5. The axial limiting structure of the transmission according to claim 2, wherein the clutch further comprises a friction plate set, a piston pushing structure, a piston resetting structure and an output shaft; the housing transmits power to the output shaft through the friction plate set.
6. The axial limiting structure of the transmission member according to claim 2, wherein an outer end surface of the rotating member is located in the same plane as an outer end surface of the housing.
7. The axial limiting structure of the transmission member according to claim 2, wherein the housing is connected with the rotating member by a spline; and the shell drives the rotating piece to rotate when rotating.
8. The axial limiting structure of a transmission member according to claim 1, wherein the housing is a case provided on a peripheral side of the planetary gear mechanism, and the rotating member is a ring gear of the planetary gear mechanism.
9. The axial limiting structure of a transmission according to claim 8, wherein the planetary gear mechanism further comprises a planetary wheel and a sun wheel connected with a planetary wheel carrier; the planet wheel is in transmission connection with the rotating piece and the sun wheel.
10. The axial limiting structure of the transmission member according to claim 1, wherein the clamping member is a snap ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321308602.4U CN219673256U (en) | 2023-05-26 | 2023-05-26 | Axial limit structure of transmission piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321308602.4U CN219673256U (en) | 2023-05-26 | 2023-05-26 | Axial limit structure of transmission piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219673256U true CN219673256U (en) | 2023-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321308602.4U Active CN219673256U (en) | 2023-05-26 | 2023-05-26 | Axial limit structure of transmission piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219673256U (en) |
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2023
- 2023-05-26 CN CN202321308602.4U patent/CN219673256U/en active Active
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| GR01 | Patent grant | ||
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Effective date of registration: 20240617 Address after: No. 98 Beihui Road, Huishan Industrial Transformation and Agglomeration Zone, Wuxi City, Jiangsu Province, China Patentee after: Wuxi Xingqu Power Technology Co.,Ltd. Country or region after: China Patentee after: Wuxi Xingqu Technology Co.,Ltd. Address before: No. 99, Beihui Road, Huishan Industrial Transformation Cluster, Wuxi City, Jiangsu Province, 214181 Patentee before: Wuxi Xingqu Power Technology Co.,Ltd. Country or region before: China Patentee before: Wuxi Xingqu Technology Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |