CN212455262U - Automatic aligning clutch pushing-type release bearing unit - Google Patents
Automatic aligning clutch pushing-type release bearing unit Download PDFInfo
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- CN212455262U CN212455262U CN202021076200.2U CN202021076200U CN212455262U CN 212455262 U CN212455262 U CN 212455262U CN 202021076200 U CN202021076200 U CN 202021076200U CN 212455262 U CN212455262 U CN 212455262U
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- release bearing
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Abstract
The utility model relates to an automatic aligning clutch pushing-type release bearing unit is car transmission system's high performance, high reliability, long-life basic piece technique, is suitable for the automatic aligning clutch pushing-type release bearing of the big moment of torsion in little space. The device comprises an inner ring, a connecting cover, a wave spring, an outer ring, an outer dust cover, a steel ball, a retainer ring, a sealing felt and a sleeve; the outer dust cover is arranged on the outer side of the outer ring through riveting, the retainer uniformly distributes the steel balls in the channels of the inner ring and the outer ring, and the sealing felt is arranged between the inner ring and the outer ring and blocks the external dust together with the outer dust cover; the retainer ring is arranged between the outer ring and the sleeve and provides support for the sealing felt; the connecting cover is arranged between the inner ring and the outer dust cover, the bottom of the connecting cover is provided with a wave spring, and the connecting cover connects the sleeve with the outer ring, the outer dust cover and the wave spring part together through four clamping jaws to form a bearing unit.
Description
Technical Field
The utility model relates to an automatic aligning clutch pushing-type release bearing unit is car transmission system's high performance, high reliability, long-life basic piece technique, is suitable for the automatic aligning clutch pushing-type release bearing of the big moment of torsion in little space.
Background
The main function of the release bearing is to transmit or cut off the power of the engine, so that the vehicle can achieve the functions of speed changing, gear shifting, starting and stopping.
The self-aligning release bearing mainly has the advantages that the problem that a shaft sleeve of the gearbox is not concentric with the rotation center of the clutch is solved, the rotation center of the bearing can be adjusted within a certain range, errors of the shaft sleeve of the gearbox and the rotation center of the clutch can be automatically compensated, the release bearing and the clutch release finger can rotate concentrically, abrasion and noise among parts are effectively reduced, and the service life of the bearing is prolonged.
At present, some automobile manufacturers require that one release bearing can be matched with a plurality of different clutches, so that higher requirements are put on the release bearing, and the bearing capacity of the release bearing is improved to the maximum extent under the condition of the minimum external dimension.
Disclosure of Invention
The utility model discloses the purpose is to the problem that exists in market and the product technology, provides an automatic aligning clutch pushing-type release bearing unit, can be suitable for the automatic aligning clutch pushing-type release bearing of the big moment of torsion in little space.
The automatic centering clutch push-type release bearing unit is realized by adopting the following technical scheme:
a push-type release bearing unit of an automatic centering clutch comprises an inner ring, a connecting cover, a wave spring, an outer ring, an outer dustproof cover, a steel ball, a retainer ring, a sealing felt and a sleeve.
The outer dust cover is arranged on the outer side of the outer ring in a riveting mode, the retainer evenly distributes the steel balls in the grooves of the inner ring and the outer ring, and the sealing felt is placed between the inner ring and the outer ring and blocks the external dust together with the outer dust cover. The retainer ring is arranged between the outer ring and the sleeve and provides support for the sealing felt. The connecting cover is arranged between the inner ring and the outer dust cover, the bottom of the connecting cover is provided with a wave spring, and the connecting cover connects the sleeve with the outer ring, the outer dust cover and the wave spring together through four clamping jaws to form a bearing unit.
The inner ring is formed by punching a bearing steel plate.
The connecting cover is formed by punching spring steel, 4 bent claws of the connecting cover are clamped in the grooves of the sleeve, and parts such as the outer ring and the like are connected with the sleeve.
The wave spring is formed by punching spring steel, so that the aligning performance is ensured.
The outer ring is punched into a bowl shape by a bearing steel plate, so that the axial strength of the bearing can be improved.
The outer dust cover is formed by punching a cold-rolled steel plate and is arranged on the outer side of the outer ring through riveting, so that the effect of blocking external dust is achieved.
The steel balls are 15 bearing steel balls with the diameter of 7.144, so that higher bearing rated load is ensured.
The retainer is formed by nylon materials through injection molding, and the steel balls are uniformly distributed in the channel.
The check ring is formed by punching a cold-rolled steel plate, is bent twice, and the strength can be improved by the twice-bent shape, and a supporting space is provided for the sealing felt.
The sealing felt is formed by cutting industrial fine felts, is rich in elasticity, good in wear resistance and convenient to install, and a sealed space is formed between the inner ring and the outer ring, so that the sealing felt plays a role in preventing dust and blocking grease leakage.
The surface of the inner hole of the sleeve is in a spline shape, but the surface does not extend to two ends, and the half area of the surface of the inner hole at the upper end of the sleeve is not in the spline shape, so that the friction area between the sleeve and a shaft sleeve is greatly reduced, foreign matters in a spline groove are discharged outwards, and the risk of sliding and clamping stagnation of the release bearing is reduced. The stepped surface of the outer end of the sleeve is provided with a groove which is matched with 4 bent claws arranged on the connecting cover.
The utility model relates to an automatic aligning clutch pushing-type release bearing unit beneficial effect:
1. the bearing space is very compact, can't place the sealing washer in the outer lane inside, and this structural bearing adopts the form of sealed felt, simple to operate just can realize sealed effect.
2. The connecting cover connects the sleeve with the outer ring, the wave spring and other parts through four clamping jaws, riveting is not needed, and the installation is convenient and rapid. The connecting function is achieved, the flange on the circumference can also prevent partial foreign matters from entering the bearing, and a certain dustproof function is achieved.
3. Arrange the retaining ring between outer lane and the sleeve in, both can reduce the wearing and tearing to the sleeve when release bearing removes the aligning, also can compensate the influence of sleeve unevenness to the aligning quality to provide the support space for the sealed felt.
4. The surface of the inner hole of the sleeve is in a spline shape, but the surface does not extend to two ends, and the half area of the surface of the inner hole at the upper end of the sleeve is not in the spline shape, so that the friction area between the sleeve and a shaft sleeve is greatly reduced, foreign matters in a spline groove are discharged outwards, and the risk of sliding and clamping stagnation of the release bearing is reduced.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural view of an automatic centering clutch push-type release bearing unit.
Fig. 2 is a schematic view of an inner race structure of an automatically aligning clutch-pushed type release bearing unit.
Fig. 3 is a front view of a coupling housing structure of an automatically aligning clutch-push type release bearing unit.
Fig. 4 is a sectional view of a coupling housing structure of an automatically aligning clutch-push type release bearing unit.
Fig. 5 is a front view of a wave spring structure of an automatically aligning clutch-push type release bearing unit.
Fig. 6 is a plan view of a wave spring structure of an automatically aligning clutch push-type release bearing unit.
Fig. 7 is a schematic view of an outer race mounting structure of an automatically aligning clutch-push type release bearing unit.
Fig. 8 is a schematic view of an outer dust cover structure of an automatically aligning clutch-push type release bearing unit.
Fig. 9 is a front view of a cage structure of an automatically aligning clutch-push type release bearing unit.
Fig. 10 is a sectional view showing a cage structure of an automatically aligning clutch-push type release bearing unit.
Fig. 11 is a schematic view of a retainer ring structure of an automatically aligning clutch-push type release bearing unit.
Fig. 12 is a schematic view of a seal felt structure of an automatically aligning clutch-pushed type release bearing unit.
Fig. 13 is a front view of a sleeve structure of an automatically aligning clutch-pushed type release bearing unit.
Fig. 14 is a sectional view of a sleeve structure of an automatically aligning clutch-pushed type release bearing unit.
In the figure: 1. the device comprises an inner ring, 2, a connecting cover, 3, a wave spring, 4, an outer ring, 5, an outer dust cover, 6, a steel ball, 7, a retainer, 8, a retainer ring, 9, a sealing felt, 10 and a sleeve;
2-1, clamping jaws; 10-1, a spline, 10-2 and a groove.
Detailed Description
Referring to fig. 1 to 14, a self-aligning clutch push-type release bearing unit includes an inner race 1, a coupling cage 2, a wave spring 3, an outer race 4, an outer dust cover 5, steel balls 6, a cage 7, a retainer ring 8, a seal felt 9, and a sleeve 10.
The outer dust cover 5 (fig. 8) is mounted on the outer side of the outer ring 4 (fig. 5) by riveting, the retainer 7 (fig. 9 and 10) uniformly distributes the steel balls 6 in the channels of the inner ring 1 (fig. 2) and the outer ring 4 (fig. 7), and the sealing felt 9 (fig. 12) is placed between the inner ring 1 (fig. 2) and the outer ring 4 (fig. 7) and blocks the entry of external dust together with the outer dust cover 5 (fig. 8). A retainer ring 8 (fig. 11) is interposed between the outer race 4 (fig. 7) and the sleeve 10 (fig. 13, 14) and provides support for a seal felt 12 (fig. 12). The wave spring 3 (fig. 5 and 6) is arranged at the bottom of the connecting cover 2 (fig. 3 and 4) between the inner ring 1 (fig. 2) and the outer dust cover 5 (fig. 8), and the sleeve 10 (fig. 13 and 14) and the outer ring 4 (fig. 7), the outer dust cover 5 and the wave spring 3 (fig. 5 and 6) are connected together by the connecting cover 2 through four claws 2-1 to form a bearing unit.
The inner ring 1 is formed by punching a bearing steel plate.
The connecting cover 2 is formed by punching spring steel, 4 bent claws 2-1 are arranged on one side of the connecting cover 2, and the 4 bent claws 2-1 are clamped in the grooves 10-2 and the inner part of the sleeve to connect the outer ring 4 and other parts with the sleeve 10.
The wave spring 3 is formed by punching and forming spring steel, and the aligning performance is ensured.
The outer ring 4 is punched into a bowl shape by a bearing steel plate, so that the axial strength of the bearing can be improved.
The outer dust cover 5 is formed by punching a cold-rolled steel plate and is arranged on the outer side of the outer ring through riveting, so that the effect of blocking external dust is achieved.
The steel ball 6 adopts 15 bearing steel balls with the diameter of 7.144, so that higher bearing rated load is ensured.
The retainer 7 is formed by nylon material through pressure injection, and the steel balls are uniformly distributed in the channel.
The check ring 8 is formed by punching a cold-rolled steel plate, is bent twice, and the strength can be improved by the twice-bent shape, and a supporting space is provided for the sealing felt.
The sealing felt 9 is made of industrial fine felt by cutting, is rich in elasticity, good in wear resistance and convenient to install, and forms a sealed space between the inner ring and the outer ring to play a role in preventing dust and blocking grease leakage.
The surface of the inner hole of the sleeve 10 is provided with splines 10-1 which do not extend to two ends, and the area of one half of the surface of the inner hole at the upper end of the sleeve is not provided with splines, so that the friction area between the sleeve and a shaft sleeve is greatly reduced, foreign matters in spline grooves are favorably discharged outwards, and the risk of sliding and clamping stagnation of the release bearing is reduced. The outer end step surface of the sleeve 10 is provided with a groove 2-2 which is matched with 4 bent claws 2-1 arranged on the connecting cover 2.
A push-type release bearing unit of an automatic centering clutch can transmit or cut off the power of an engine, when the power needs to be cut off, a clutch pedal is stepped down, a release fork pushes the release bearing to move to press a diaphragm spring and drive the diaphragm spring to rotate at the same speed, and meanwhile, a clutch pressure plate moves to release a driven plate, so that the power transmission between the engine and a gearbox is cut off. The clutch pedal is released, the power is recovered and transmitted, and the vehicle can achieve the functions of speed changing, gear shifting, starting and stopping.
Claims (10)
1. A push-type release bearing unit of an automatic centering clutch is characterized by comprising an inner ring, a connecting cover, a wave spring, an outer ring, an outer dustproof cover, a steel ball, a retainer ring, a sealing felt and a sleeve;
the outer dust cover is arranged on the outer side of the outer ring through riveting, the retainer uniformly distributes the steel balls in the channels of the inner ring and the outer ring, and the sealing felt is arranged between the inner ring and the outer ring and blocks the external dust together with the outer dust cover; the retainer ring is arranged between the outer ring and the sleeve and provides support for the sealing felt; the connecting cover is arranged between the inner ring and the outer dust cover, the bottom of the connecting cover is provided with a wave spring, and the connecting cover connects the sleeve with the outer ring, the outer dust cover and the wave spring part together through four clamping jaws to form a bearing unit.
2. The self-aligning clutch-push release bearing unit according to claim 1, wherein the inner race is stamped and formed from a bearing steel plate.
3. The self-aligning clutch-push release bearing unit according to claim 1, wherein the coupling housing is formed by punching a spring steel, and 4 bent claws thereof are caught in the grooves of the sleeve to couple the outer race member and the sleeve together.
4. The self-aligning clutch-push release bearing unit according to claim 1, wherein the wave spring is formed by punching a spring steel to ensure aligning performance.
5. The self-aligning clutch-push release bearing unit according to claim 1, wherein the outer race is stamped from a bearing steel plate into a bowl shape.
6. The self-aligning clutch-push type release bearing unit according to claim 1, wherein the outer dust cover is formed by punching a cold-rolled steel plate and is mounted on the outer side of the outer ring by riveting to block external dust.
7. The self-aligning clutch-push release bearing unit according to claim 1, wherein the cage is injection molded of nylon material to evenly distribute the steel balls in the channel.
8. The self-aligning clutch-push release bearing unit according to claim 1, wherein the retainer ring is formed by punching a cold-rolled steel plate and bent twice, and the bent shape increases strength and provides a supporting space for the sealing felt.
9. The self-aligning clutch-push release bearing unit according to claim 1, wherein the sealing felt is cut using industrial fine felt, and a sealed space is formed between the inner ring and the outer ring.
10. The self-aligning clutch-push type release bearing unit according to claim 1, wherein the inner bore surface of the sleeve is spline-shaped but does not extend to both ends, and a half area of the inner bore surface of the upper end of the sleeve is not spline-shaped; the stepped surface of the outer end of the sleeve is provided with a groove which is matched with 4 bent claws arranged on the connecting cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021076200.2U CN212455262U (en) | 2020-06-12 | 2020-06-12 | Automatic aligning clutch pushing-type release bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021076200.2U CN212455262U (en) | 2020-06-12 | 2020-06-12 | Automatic aligning clutch pushing-type release bearing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212455262U true CN212455262U (en) | 2021-02-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021076200.2U Active CN212455262U (en) | 2020-06-12 | 2020-06-12 | Automatic aligning clutch pushing-type release bearing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212455262U (en) |
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2020
- 2020-06-12 CN CN202021076200.2U patent/CN212455262U/en active Active
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