CN216343539U - Release bearing supports cover - Google Patents
Release bearing supports cover Download PDFInfo
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- CN216343539U CN216343539U CN202122976268.7U CN202122976268U CN216343539U CN 216343539 U CN216343539 U CN 216343539U CN 202122976268 U CN202122976268 U CN 202122976268U CN 216343539 U CN216343539 U CN 216343539U
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- sleeve
- release bearing
- connecting portion
- bearing support
- support sleeve
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Abstract
The utility model belongs to the technical field of light commercial vehicle transmissions, and discloses a release bearing support sleeve which comprises a sleeve and a connecting part, wherein the sleeve is sleeved on the front end shaft diameter of a transmission input shaft, and a release bearing is sleeved on the sleeve; the connecting portion are arranged at the front end of the sleeve and detachably connected with the front transmission case, and the connecting portion is abutted to the connecting face of the front transmission case. According to the utility model, the sleeve is arranged between the release bearing and the transmission input shaft, and the sleeve can realize the guiding effect and the supporting effect on the axial movement of the release bearing; sleeve tip connects the derailleur procapsid through setting up connecting portion, and the connecting face of connecting portion butt derailleur procapsid can improve positioning accuracy, and can further realize the axial positioning to release bearing, compares with prior art, and release bearing no longer carries on spacingly and supports through the bearing cap, does benefit to and solves the problem that the bearing cap is with high costs and the structure is complicated.
Description
Technical Field
The utility model relates to the technical field of light commercial vehicle transmissions, in particular to a release bearing support sleeve.
Background
On light-duty commercial car, manual transmission release bearing generally arranges on the bearing cap of manual transmission input shaft, therefore the bearing cap both will realize that the axial of input shaft bearing is spacing, will realize again the support and the direction function to release bearing, this structure that just leads to the bearing cap is complicated, adopts casting process more, and manufacturing cost is high, and the part is heavy, is unfavorable for improving whole case lightweight level.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a release bearing support sleeve to solve the problems of high cost and complex structure of a bearing cover caused by the fact that the release bearing needs the bearing cover for supporting and limiting.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a release bearing support sleeve comprising:
the sleeve is sleeved on the front end shaft diameter of the input shaft of the transmission, and the separating bearing is sleeved on the sleeve;
the connecting portion are arranged at the front end of the sleeve and detachably connected with the transmission front shell, and the connecting portion is abutted to the connecting surface of the transmission front shell.
Optionally, the split bearing support sleeve is a stamped and formed unitary structure.
Optionally, the release bearing support sleeve is made of a cold-rolled steel plate.
Optionally, the sleeve inner diameter is greater than a front end spline outer diameter of the transmission input shaft.
Optionally, an inner bore of the release bearing is in clearance fit with an outer side wall of the sleeve, and the release bearing is capable of moving in an axial direction of the sleeve.
Optionally, the connecting portion is a flange, the flange is perpendicular to the axial direction of the sleeve, the flange is provided with a first axial positioning surface, and the first axial positioning surface is in contact with and connected to the connecting surface of the front transmission housing.
Optionally, the terminal surface of derailleur procapsid is equipped with the tang, connecting portion wear to establish in the tang, the periphery wall of connecting portion with the inner bore clearance fit of tang.
Optionally, connecting portion are equipped with a plurality of locating claws, and are a plurality of the locating claw is followed the periphery wall interval equipartition of connecting portion, the periphery wall of locating claw is equipped with radial positioning face, radial positioning face with the inner bore clearance fit of tang.
Optionally, the positioning pawl is provided with a second axial positioning surface, and the second axial positioning surface is coplanar with the first axial positioning surface of the flange plate.
Optionally, the connecting portion is provided with a connecting hole, and a connecting member is inserted through the connecting hole to be connected to the transmission front housing.
The utility model has the beneficial effects that:
according to the release bearing support sleeve, the sleeve is arranged between the release bearing and the transmission input shaft, and the sleeve can achieve the guiding effect and the supporting effect on the axial movement of the release bearing. Sleeve tip connects the derailleur procapsid through setting up connecting portion, and the connecting face of connecting portion butt derailleur procapsid can improve positioning accuracy, and can further realize the axial positioning to release bearing, compares with prior art, and release bearing no longer carries on spacingly and supports through the bearing cap, does benefit to and solves the problem that the bearing cap is with high costs and the structure is complicated.
Drawings
FIG. 1 is a schematic structural view of a release bearing support sleeve of the present invention;
fig. 2 is a schematic view of the installation of the release bearing support sleeve of the present invention.
In the figure:
1. separating the bearing support sleeve; 11. a sleeve; 12. a connecting portion; 121. a positioning claw; 122. connecting holes; 2. separating the bearing; 3. a transmission input shaft; 4. a connecting member; 5. a transmission front housing; 51. and (5) stopping the opening.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning. The term "plurality" is to be understood as more than two.
The utility model provides a release bearing support sleeve 1, as shown in fig. 1 and fig. 2, the release bearing support sleeve 1 comprises a sleeve 11 and a connecting part 12, the sleeve 11 is sleeved on the front end shaft diameter of a transmission input shaft 3, and a release bearing 2 is sleeved on the sleeve 11; the connecting portion 12 is provided at the front end of the sleeve 11 and detachably connected to the transmission front case 5, and the connecting portion 12 abuts against the connecting surface of the transmission front case 5.
According to the release bearing support sleeve 1, the sleeve 11 is arranged between the release bearing 2 and the transmission input shaft 3, and the sleeve 11 can achieve guiding and supporting effects on axial movement of the release bearing 2. 11 tip of sleeve is through setting up connecting portion 12 and connecting derailleur procapsid 5, and connecting portion 12 butt derailleur procapsid 5's connection face can improve positioning accuracy, and can further realize the axial positioning to release bearing 2, compares with prior art, and release bearing 2 no longer carries on spacingly and supports through the bearing cap of derailleur input shaft 3, does benefit to and solves the problem that the bearing cap is with high costs and the structure is complicated.
Alternatively, the release bearing support sleeve 1 is a stamped and formed integral structure.
In this embodiment, release bearing supports cover 1 and is the cold-rolled steel sheet material, adopts the punching press with cold-rolled steel sheet stamping forming, and optimization technology realizes the part lightweight. In the prior art, the bearing cover is adopted to limit and support the split bearing 2, so that the structure of the bearing cover is complex, and the casting process is adopted, so that the manufacturing cost is high, the parts are heavy, and the improvement on the light weight level of the whole box is not facilitated. The cold-rolled steel sheet stamping forming is passed through to this embodiment, and the structural strength of the release bearing support cover 1 of integrative structure is high, has realized the lightweight of part and whole case, and does benefit to and simplifies bearing cap structure and technology, reduces manufacturing cost.
Alternatively, the sleeve 11 inner diameter is larger than the front end spline outer diameter of the transmission input shaft 3.
It will be appreciated that the internal bore diameter of the sleeve 11 is greater than the external diameter of the front end spline of the transmission input shaft 3 to facilitate installation of the sleeve 11. When the sleeve 11 is sleeved on the shaft diameter of the transmission input shaft 3, the transmission input shaft 3 can axially support the sleeve 11, and further support the release bearing 2, so that the release bearing 2 is no longer supported and limited on a bearing cover of the transmission input shaft 3, the cost of the bearing cover is reduced, the structure is simplified, and the whole box quality is reduced.
Optionally, the inner bore of the release bearing 2 is in clearance fit with the outer side wall of the sleeve 11, and the release bearing 2 can move in the axial direction of the sleeve 11.
As shown in fig. 2, the clearance fit facilitates mounting, positioning, and supporting the release bearing 2, and the radial positioning accuracy is high when the release bearing 2 moves in the axial direction.
Alternatively, the connecting portion 12 is a flange plate perpendicular to the axial direction of the sleeve 11, and the flange plate is provided with a first axially positioning surface which is in contact with and connected to the connecting surface of the transmission front case 5.
As shown in fig. 1, a connecting portion 12 is provided at an end of the sleeve 11 facing the transmission front case 5, and the transmission front case 5 is connected to the connecting portion 12. Connecting portion 12 adopts the ring flange, and the ring flange perpendicular to sleeve 11's axial direction, the ring flange be first axial positioning face towards the terminal surface of derailleur procapsid 5, and when the ring flange was connected with derailleur procapsid 5, the first axial positioning face of ring flange can be connected fixedly with being connected of derailleur procapsid 5 between the face contact, do benefit to and improve the positioning accuracy of the two, and do benefit to and improve axial positioning stability and intensity.
Alternatively, the connecting surface of the transmission front case 5 is provided with a spigot 51, the connecting portion 12 is inserted into the spigot 51, and the outer peripheral wall of the connecting portion 12 is in clearance fit with the inner bore of the spigot 51.
As shown in fig. 2, the spigot 51 is formed by a plurality of limiting members disposed on the connecting surface of the front transmission housing 5, the limiting members are disposed at intervals and surround to form a circular spigot 51, and the inner side walls of the limiting members and the outer peripheral wall of the connecting portion 12 are in clearance fit, so that the connecting portion 12 is convenient to install, position and guide, the installation efficiency is improved, and the radial positioning function of the release bearing 2 is achieved.
Optionally, the connecting portion 12 is provided with a plurality of positioning claws 121, the plurality of positioning claws 121 are uniformly distributed at intervals along the peripheral wall of the connecting portion 12, and the peripheral wall of the positioning claws 121 is provided with a radial positioning surface which is in clearance fit with the inner aperture of the spigot 51.
As shown in fig. 1 and 2, the peripheral wall of the connecting portion 12 is provided with three positioning claws 121, the three positioning claws 121 are circumferentially and uniformly distributed, and in this embodiment, the three positioning claws 121 are arranged in one-to-one correspondence with the positions of three limit pieces on the connecting surface of the front transmission housing 5, so as to facilitate the installation and positioning of the release bearing support sleeve 1. The peripheral wall of three positioning pawl 121 is radial positioning face, and the peripheral wall of three positioning pawl 121 can be when the installation promptly with the inside wall one-to-one clearance fit of three locating part, realizes the radial positioning of tang 51 to connecting portion 12, also realizes the radial positioning to release bearing 2 promptly.
Optionally, the locating detent 121 is provided with a second axial locating surface which is co-planar with the first axial locating surface of the flange.
It can be understood that the locating claw 121 and the flange integrated structure are processed to form and the end face is consistent, so the first radial locating face of the flange and the second locating face of the locating claw 121 are coplanar structures, when the connecting portion 12 is arranged in the spigot 51 in a penetrating manner, the first radial locating face and the second radial locating face are in contact with the connecting face of the front transmission housing 5 simultaneously, and the face contact is favorable for improving the locating precision and the connecting stability.
Alternatively, the connecting portion 12 is provided with a connecting hole 122, and the connecting member 4 is connected to the transmission front case 5 through the connecting hole 122.
As shown in fig. 1, coupling holes 122 are preferably provided in the positioning pawls 121, one coupling hole 122 being provided in each positioning pawl 121, and the coupling member 4 passes through the coupling hole 122 and is coupled to the transmission front housing 5 when the coupling portion 12 is coupled to the transmission front housing 5. Specifically, the connecting piece 4 is in threaded connection with the front transmission housing 5 by bolts such as hexagon head bolts, so that the connecting piece is convenient to assemble and disassemble, wrong assembly during assembly can be prevented, and the interchangeability of workpieces is good. Therefore, the release bearing support sleeve 1 provided by the utility model realizes the axial positioning and the radial positioning of the split bearing 2 through the second axial positioning surfaces of the three uniformly distributed positioning claws 121 and the radial positioning surface of the peripheral wall, can improve the mounting and positioning precision, further reduces the weight of parts and the weight of the whole box, and is beneficial to reducing the cost and simplifying the processing technology.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A release bearing support sleeve, comprising:
the sleeve (11) is sleeved on the front end shaft diameter of the transmission input shaft (3), and the separating bearing (2) is sleeved on the sleeve (11);
connecting portion (12), locate the front end of sleeve (11) and detachable connection derailleur procapsid (5), connecting portion (12) butt the connection face of derailleur procapsid (5).
2. The split bearing support sleeve as claimed in claim 1, wherein said split bearing support sleeve (1) is a stamped and formed unitary structure.
3. The release bearing support sleeve according to claim 1, wherein the release bearing support sleeve (1) is a cold rolled steel sheet.
4. The release bearing support sleeve according to claim 1, wherein the sleeve (11) inner diameter is larger than a front end spline outer diameter of the transmission input shaft (3).
5. The release bearing support sleeve according to claim 1, characterized in that the inner bore of the release bearing (2) is a clearance fit with the outer side wall of the sleeve (11), the release bearing (2) being movable in the axial direction of the sleeve (11).
6. A split bearing support sleeve according to claim 1, wherein the connecting portion (12) is a flange perpendicular to the axial direction of the sleeve (11), the flange being provided with a first axially locating surface which contacts and connects with the connecting surface of the front variator housing (5).
7. The release bearing support sleeve according to claim 6, wherein the connecting surface of the transmission front housing (5) is provided with a spigot (51), the connecting portion (12) is inserted into the spigot (51), and an outer peripheral wall of the connecting portion (12) is in clearance fit with an inner bore of the spigot (51).
8. The support sleeve according to claim 7, characterized in that the connecting portion (12) is provided with a plurality of positioning claws (121), the plurality of positioning claws (121) are evenly distributed at intervals along the outer peripheral wall of the connecting portion (12), the outer peripheral wall of the positioning claws (121) is provided with radial positioning surfaces, and the radial positioning surfaces are in clearance fit with the inner bore diameter of the spigot (51).
9. A split bearing support sleeve as claimed in claim 8, wherein the locating detent (121) is provided with a second axial locating surface which is co-planar with the first axial locating surface of the flange.
10. The release bearing support sleeve according to claim 8, wherein the connecting portion (12) is provided with a connecting hole (122), and a connecting member (4) is connected to the transmission front housing (5) through the connecting hole (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122976268.7U CN216343539U (en) | 2021-11-30 | 2021-11-30 | Release bearing supports cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122976268.7U CN216343539U (en) | 2021-11-30 | 2021-11-30 | Release bearing supports cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216343539U true CN216343539U (en) | 2022-04-19 |
Family
ID=81156118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122976268.7U Active CN216343539U (en) | 2021-11-30 | 2021-11-30 | Release bearing supports cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216343539U (en) |
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2021
- 2021-11-30 CN CN202122976268.7U patent/CN216343539U/en active Active
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