CN115163685A - Constant velocity universal joint with inner and outer dust covers - Google Patents
Constant velocity universal joint with inner and outer dust covers Download PDFInfo
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- CN115163685A CN115163685A CN202211086511.0A CN202211086511A CN115163685A CN 115163685 A CN115163685 A CN 115163685A CN 202211086511 A CN202211086511 A CN 202211086511A CN 115163685 A CN115163685 A CN 115163685A
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- constant velocity
- velocity joint
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- 239000000428 dust Substances 0.000 title claims abstract description 84
- 230000007704 transition Effects 0.000 claims description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 239000000565 sealant Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 2
- 239000004519 grease Substances 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000001174 ascending effect Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
- F16D3/843—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor enclosed covers
- F16D3/845—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor enclosed covers allowing relative movement of joint parts due to the flexing of the cover
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D2003/22316—Means for fastening or attaching the bellows or gaiters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/26—Cover or bell housings; Details or arrangements thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention relates to the field of vehicle parts, in particular to a constant velocity universal joint with inner and outer dust covers. The method comprises the following steps: the connecting device comprises an outer dust cover, an inner dust cover, a connecting sleeve, a star sleeve and a connecting shaft, and is characterized in that one end of the inner dust cover is connected to the lower end of the mounting part of the connecting sleeve, and the other end of the inner dust cover abuts against the end face of the star sleeve; one end of the outer dust cover is connected to the upper end of the mounting part of the connecting sleeve, and the other end of the outer dust cover is connected to the connecting shaft; the inner dust cover left side forms a first chamber and the inner dust cover right side forms a second chamber. Solves the problems of large universal oil-saving grease consumption and limited swing angle.
Description
Technical Field
The invention relates to the field of vehicle parts, in particular to a constant velocity universal joint with inner and outer dust covers.
Background
The universal joint is a part for realizing variable angle power transmission, is used for changing the position of the transmission axis direction, and is a joint part of a universal transmission device of an automobile driving system. The universal joint is combined with a transmission shaft and is called a universal joint transmission device. On a vehicle driven by a rear wheel of a front engine, a universal joint transmission device is arranged between an output shaft of a transmission and an input shaft of a main speed reducer of a drive axle; the front engine front wheel driven vehicle omits a transmission shaft, and the universal joint is arranged between a front axle half shaft which is responsible for driving and steering and wheels.
The constant velocity universal joint is a mechanism for connecting two shafts with non-coincident axes and transmitting the two shafts at the same angular velocity, is an important part in a car transmission system, and has the function of transmitting the power of an engine from a transmission to the driving wheel of an automobile so as to meet the requirement of the outer end corner of a car transmission shaft; the power of the engine is stably and reliably transmitted to the wheels, the bounce of the suspension at the inner end of the car is compensated, and the car is driven to run at high speed.
The universal joint is often in high-speed rotation or pivoted operational environment, for improving the life of universal joint, need use lubricating grease to keep the lubricity of universal joint, reduce the wearing and tearing that the friction brought, the dust cover is the key part that realizes the sealing of constant velocity universal joint lubricating grease, the universal joint is when the assembly, can add a large amount of lubricating grease in the space of whole dust cover and bell housing, and simultaneously, the space around holder and the steel ball is the right angle wall, the angle of swing when leading to the connecting axle swing is limited, the waste of lubricating grease has been caused on the one hand, on the other hand also makes the swing angle of universal joint receive the restriction, influence the life and the application scope of universal joint.
Disclosure of Invention
The invention provides a constant velocity universal joint with inner and outer dust covers, which aims to solve the problems of large oil consumption and limited swing angle of universal joints.
In a first aspect, the present invention provides a constant velocity joint having inner and outer boot comprising: the dustproof structure comprises an outer dustproof cover, an inner dustproof cover, a connecting sleeve, a star sleeve and a connecting shaft, and is characterized in that one end of the inner dustproof cover is connected to the lower end of an installation part of the connecting sleeve, and the other end of the inner dustproof cover abuts against the end face of the star sleeve; one end of the outer dust cover is connected to the upper end of the mounting part of the connecting sleeve, and the other end of the outer dust cover is connected to the connecting shaft; the inner dust cover left side forms a first chamber and the inner dust cover right side forms a second chamber.
In some embodiments, the end caps and the connecting sleeves are respectively connected to the left end and the right end of the cylindrical shell.
In some embodiments, the constant velocity joint further comprises: the first cavity is formed by the cylindrical shell, the connecting sleeve, the star sleeve and the inner dust cover in an enclosing mode, and the second cavity is formed by the inner dust cover, the outer dust cover and the star sleeve in an enclosing mode.
In some embodiments, the mounting portion of the connecting sleeve sequentially comprises an L-shaped first section, an arc-shaped second section and a third section with a convex block, one end of the inner dust cover connected with the connecting sleeve sequentially comprises a first arc-shaped section and a first groove section, the second section is attached to the first arc-shaped section, the third section is attached to the first groove section, and the contact surface of the inner dust cover and the connecting sleeve is connected through sealant.
In some embodiments, the one end that outer dust cover and adapter sleeve are connected is equipped with the second groove section, second groove section bottom is equipped with the second segmental arc of evagination, second groove section butt first section, the second segmental arc with the laminating of second section, outer dust cover with the adapter sleeve passes through the clamp and fixes, the clamp is located in the second groove section.
In some embodiments, the connecting sleeve further includes a first clamping portion, a first transition portion, and a first connecting portion, the first clamping portion, the first transition portion, the first connecting portion, and the mounting portion are sequentially connected, the first clamping portion is attached to the cylindrical shell, and the first transition portion is designed to be an arc shape protruding outward.
In some embodiments, the constant velocity shaft joint further comprises a steel ball and a cage, and the curvature of the first transition portion is adapted to the outer spherical surface of the steel ball.
In some embodiments, the end cover comprises a second clamping portion, a second transition portion and an end surface portion, the second clamping portion, the second transition portion and the end surface portion are connected in sequence, the second clamping portion is attached to the cylindrical shell, and the second transition portion is provided in an arc shape protruding outwards.
In some embodiments, the constant velocity shaft joint further comprises a steel ball and a cage, and the curvature of the second transition portion is adapted to the outer spherical surface of the steel ball.
In some embodiments, the first engaging portion and the second engaging portion are attached to the cylindrical shell by a sealant.
In order to solve the problems of large universal oil-saving grease consumption and limited swing angle, the universal oil-saving device has the following beneficial effects:
according to the universal joint, one end of the cylindrical shell is connected with the end cover, the other end of the cylindrical shell is connected with the connecting sleeve, one end of the outer dust cover is connected with the mounting part of the connecting sleeve, the other end of the outer dust cover is connected with the shaft shoulder of the connecting shaft, one end of the inner dust cover is connected with the mounting part of the connecting sleeve, the other end of the inner dust cover is abutted to the end face of the star-shaped sleeve, the internal space of the whole universal joint is divided into two chambers through the arrangement of the structure, when universal joint lubricating grease is filled, the filling is only carried out in the chambers where the steel ball and the retainer are located, a large amount of lubrication can be saved, and the lubrication efficiency is improved.
The mounting part of the connecting sleeve sequentially comprises an L-shaped first section, an arc-shaped second section and a third section with a convex block, one end of the inner dust cover connected with the connecting sleeve sequentially comprises a first arc-shaped section and a first groove section, the second section is attached to the first arc-shaped section, the third section is attached to the first groove section, and the contact part of the inner dust cover and the connecting sleeve is connected through sealant.
According to the universal joint, the connecting sleeve and the end cover are respectively provided with the arc-shaped transition part, the radian of the transition part is matched with the outer spherical surface of the steel ball, the swinging angle of the connecting shaft is increased through the arrangement of the structure, the impact force of the steel ball and the side wall is reduced, and the service life of the universal joint is prolonged.
Drawings
FIG. 1 is a schematic structural view of a constant velocity joint having inner and outer boot covers according to the present invention;
FIG. 2 is a schematic view showing the connection structure of the outer dust cover, the connection sleeve and the inner dust cover;
FIG. 3 shows a schematic structural view of an inner dust cap of the present invention;
fig. 4 shows a schematic front sectional view of a connecting sleeve according to the invention;
fig. 5 shows a schematic side view of a connecting sleeve according to the invention;
FIG. 6 shows a schematic front cross-sectional view of an end cap of the present invention;
FIG. 7 shows a side view of the end closure of the present invention;
fig. 8 shows a schematic structural view of the connecting shaft of the present invention.
Description of reference numerals:
10. a cylindrical shell;
20. a connecting shaft;
30. a star-shaped sleeve;
40. connecting sleeves;
401. a first stage;
402. a second stage;
403. a third stage;
404. a first engaging portion;
405. a first transition portion;
406. a first connection portion;
50. an end cap;
501. a second engaging portion;
502. a second transition portion;
503. an end surface portion;
60. an outer dust cover;
601. a second groove segment;
602. a second arcuate segment;
70. an inner dust cover;
701. a first arcuate segment;
702. a first groove section;
80. a steel ball;
90. a cage.
Detailed Description
The disclosure will now be discussed with reference to several exemplary embodiments. It should be understood that these embodiments are discussed only to enable those of ordinary skill in the art to better understand and thus implement the present disclosure, and are not intended to imply any limitation on the scope of the present disclosure.
As used herein, the term "include" and its variants are to be read as open-ended terms meaning "including, but not limited to. The term "based on" is to be read as "based, at least in part, on". The terms "one embodiment" and "an embodiment" are to be read as "at least one embodiment". The term "another embodiment" is to be read as "at least one other embodiment".
The universal joint is often in high-speed rotation or pivoted operational environment, for improving the life of universal joint, need use lubricating grease to keep the lubricity of universal joint, reduce the wearing and tearing that the friction brought, the universal joint is when the assembly, can add a large amount of lubricating grease in the space of whole dust cover and bell housing, and simultaneously, holder 90 and the space around the steel ball 80 are straight wall, the angle of swing is limited when leading to connecting axle 20 swing, also can cause holder 90 during axial motion, the collision of steel ball 80 and straight wall, the waste of lubricating grease has been caused on the one hand, on the other hand also makes the swing angle receive the restriction, influence the life of universal joint simultaneously.
To solve the above problems, the present invention provides a constant velocity joint having inner and outer boot 60, comprising: the dustproof cover comprises a cylindrical shell 10, a connecting shaft 20, a star sleeve 30, a connecting sleeve 40, an end cover 50, an outer dustproof cover 60 and an inner dustproof cover 70, wherein one end of the cylindrical shell 10 is connected with the end cover 50, and the other end of the cylindrical shell is connected with the connecting sleeve 40; one end of the outer dust cover 60 is connected with the mounting part of the connecting sleeve 40, and the other end is connected with the shaft shoulder of the connecting shaft 20; one end of the inner dust cover 70 is connected with the mounting part of the connecting sleeve 40, and the other end is abutted against the end face of the star-shaped sleeve 30; the left side of the inner dust cover 70 forms a first chamber and the right side of the inner dust cover 70 forms a second chamber.
In the embodiment, one end of the cylindrical shell 10 is connected with the end cover 50, the other end of the cylindrical shell is connected with the connecting sleeve 40, one end of the outer dust cover 60 is connected with the mounting part of the connecting sleeve 40, the other end of the outer dust cover is connected with the shaft shoulder of the connecting shaft 20, one end of the inner dust cover 70 is connected with the mounting part of the connecting sleeve 40, and the other end of the inner dust cover abuts against the end surface of the star sleeve 30, so that the inner space of the whole universal joint is divided into two chambers through the arrangement of the structure, lubricating grease can be added into the chambers of the whole universal joint during filling of the original universal joint, but the parts performing contact motion in the universal joint are only in the areas where the retainer 90 and the star sleeve 30 are located, only a small part of the large amount of lubricating grease in the chambers of the whole universal joint is effectively used, the rest of the large amount of lubricating grease is not utilized, the lubricating efficiency is low, and a large amount of lubricating grease is wasted.
In some embodiments, the first chamber is formed by the end cap 50, the outer shell, the connection sleeve 40, the inner boot 30, and the inner boot 70.
In some embodiments, the second chamber is formed by the inner dust cap 70, the outer dust cap 60, the star 30, and the connection sleeve 40.
In this embodiment, the material of adapter sleeve 40 can be the metal, and the material of dust cover can be rubber, and simultaneously, the dust cover is the fold structure, can guarantee at the especially ascending tensile of a certain direction week, and dust cover 70 improves the utilization ratio of lubricating grease and has saved a large amount of lubricating grease in setting up in the universal joint, and simultaneously, on the basis of the first protection of outer dust cover 60, increased the second again and protected, effectively prevented in the outside pollutant gets into the universal joint.
In some embodiments, the mounting portion of the connection sleeve 40 sequentially includes an L-shaped first section 401, an arc-shaped second section 402, and a third section 403 with a protrusion, one end of the inner dust cover 70 connected to the connection sleeve 40 sequentially includes a first arc-shaped section 701 and a first groove section 702, the second section 402 is attached to the first arc-shaped section 701, the third section 403 is attached to the first groove section 702, and a contact portion of the inner dust cover 70 and the connection sleeve 40 is connected through a sealant.
In this embodiment, the connection sleeve 40 may be made of a metal material with high strength and hardness, the mounting portion is provided with an L-shaped first section 401, an arc-shaped second section 402 and a third section 403 with a projection, one end of the inner dust cover 70 connected to the connection sleeve 40 sequentially includes a first arc-shaped section 701 and a first groove section 702, the second section 402 is attached to the first arc-shaped section 701, the third section 403 is attached to the first groove section 702, the contact portion of the inner dust cover 70 and the connection sleeve 40 is connected through sealant, so that the lateral and longitudinal relative displacement of the connection sleeve 40 and the inner dust cover 70 is effectively limited, and meanwhile, the process complexity is reduced by adopting a sealant fixing mode.
In some embodiments, the end of the outer dust cover 60 connected to the connection sleeve 40 is provided with a second groove section 601, the bottom of the second groove section 601 is provided with a convex second arc-shaped section 602, the second groove section 601 abuts against the first section 401, the second arc-shaped section 602 is attached to the second section 402, and the outer dust cover 60 is fixed to the connection sleeve 40 by a clip which is arranged in the second groove section 601.
In this embodiment, the one end that outer dust cover 60 and adapter sleeve 40 are connected is equipped with second groove section 601, second groove section 601 bottom is equipped with the second segmental arc 602 of evagination, second groove section 601 butt first section 401, second segmental arc 602 and the laminating of second section 402, outer dust cover 60 passes through the clamp with adapter sleeve 40 and fixes, the clamp has effectively limited the horizontal and vertical ascending relative displacement of adapter sleeve 40 and interior dust cover 70 in locating second groove section 601, and simultaneously, the fixed mode that adopts the clamp has reduced technology complexity, the clamp can adopt the stepless clamp of no ear simultaneously, also can adopt the stepless clamp of single ear.
In some embodiments, the end of the dust cover connected to the shoulder of the connecting shaft 20 is provided with a third groove section, the bottom of the second groove section 601 is provided with a convex third arc-shaped section, the third groove section is arranged at the upper end of the shoulder, the third arc-shaped section is attached to a groove on the shoulder, the inner dust cover 70 is fixed to the shoulder of the connecting shaft 20 through a clamp, and the clamp is arranged in the third groove section.
In this embodiment, the one end that the dust cover is connected with connecting axle 20 shaft shoulder is equipped with the third groove section, second groove section 601 bottom is equipped with the third segmental arc of evagination, the shaft shoulder upper end is located to the third groove section, the recess laminating on third segmental arc and the shaft shoulder, interior dust cover 70 passes through the clamp with connecting axle 20 shaft shoulder and fixes, the clamp has effectively limited the horizontal and vertical ascending relative displacement of adapter sleeve 40 and interior dust cover 70 in locating the third groove section, and simultaneously, the fixed mode that adopts the clamp has reduced technology complexity, the clamp can adopt the stepless clamp of no ear simultaneously, also can adopt the stepless clamp of single ear.
The arrangement of the above structure not only reduces the complexity of the fixing process but also ensures the connection stability of the inner dust cover 70 and the connecting sleeve 40.
In some embodiments, the connecting sleeve 40 further includes a first engaging portion 404, a first transition portion 405, and a first connecting portion 406, the first engaging portion 404, the first transition portion 405, the first connecting portion 406, and the mounting portion are sequentially connected, the first engaging portion 404 is attached to the cylindrical shell 10, and the first transition portion 405 is configured as a convex arc.
In some embodiments, the constant velocity shaft joint further comprises a steel ball 80 and a cage 90, and the curvature of the first transition portion 405 is adapted to the outer spherical surface of the steel ball 80.
In this embodiment, the first engaging portion 404, the first transition portion 405, the first connecting portion 406, and the mounting portion of the connecting sleeve 40 are sequentially connected, the first engaging portion 404 is L-shaped, two sides of the first engaging portion are attached to the cylindrical shell 10 through the sealing glue, and the radian of the transition portion is matched with the outer spherical surface of the steel ball 80, when the connecting shaft 20 swings, the first engaging portion drives the retainer 90 and the steel ball 80 to be retained and added to generate a certain displacement in the universal joint, and the maximum displacement degree of the first engaging portion can reach the cambered surface of the first transition portion 405.
In some embodiments, the end cap 50 includes a second engaging portion 501, a second transition portion 502 and an end surface portion 503, the second engaging portion 501, the second transition portion 502 and the end surface portion 503 are connected in sequence, the second engaging portion 501 is attached to the cylindrical shell 10, and the second transition portion 502 is provided in an arc shape protruding outward.
In some embodiments, the constant velocity shaft joint further comprises a steel ball 80 and a cage 90, and the curvature of the second transition portion 502 is adapted to the outer spherical surface of the steel ball 80.
In this embodiment, the second engaging portion 501, the second transition portion 502 and the end surface portion 503 of the end cap 50 are sequentially connected, the second engaging portion 501 is L-shaped, two sides of the second engaging portion 501 are attached to the cylindrical shell 10 through a sealing adhesive, and the radian of the transition portion is matched with the outer spherical surface of the steel ball 80, when the connecting shaft 20 swings, the second engaging portion can drive the retainer 90 and the steel ball 80 held by the retainer to generate a certain displacement in the universal joint, and the maximum displacement degree of the second engaging portion can reach the cambered surface of the first transition portion 405.
In some embodiments, the first engaging portion 404 and the second engaging portion 501 are attached to the cylindrical shell 10 by a sealant.
It is understood that "a plurality" in this disclosure means two or more, and other words are analogous. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It will be further understood that the terms "first," "second," and the like are used to describe various information and that such information should not be limited by these terms. These terms are only used to distinguish one type of information from another and do not denote a particular order or importance. Indeed, the terms "first," "second," etc. are used interchangeably throughout. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.
It will be further understood that the terms "central," "longitudinal," "lateral," "front," "rear," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present embodiment and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation.
It is further understood that unless otherwise specified, "connected" includes direct connections between the two without other components, indirect connections between the two with other elements, and communication connections that do not have a physical relationship but are capable of information or data transfer.
It is further to be understood that while operations are depicted in the drawings in a particular order, this is not to be understood as requiring that such operations be performed in the particular order shown or in serial order, or that all illustrated operations be performed, to achieve desirable results. In certain environments, multitasking and parallel processing may be advantageous.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A constant velocity joint having inner and outer boot covers, comprising: the dustproof structure comprises an outer dustproof cover, an inner dustproof cover, a connecting sleeve, a star sleeve and a connecting shaft, and is characterized in that one end of the inner dustproof cover is connected to the lower end of an installation part of the connecting sleeve, and the other end of the inner dustproof cover abuts against the end face of the star sleeve; one end of the outer dust cover is connected to the upper end of the mounting part of the connecting sleeve, and the other end of the outer dust cover is connected to the connecting shaft; the inner dust cover left side forms a first chamber and the inner dust cover right side forms a second chamber.
2. A constant velocity joint having inner and outer boot covers as set forth in claim 1, further comprising: the connecting sleeve is connected with the left end and the right end of the cylindrical shell respectively.
3. A constant velocity joint having inner and outer dust covers as set forth in claim 2, further comprising: the first cavity is formed by the cylindrical shell, the connecting sleeve, the star sleeve, the steel ball and the inner dust cover in an enclosing mode, and the second cavity is formed by the inner dust cover, the outer dust cover and the star sleeve in an enclosing mode.
4. The constant velocity joint with inner and outer dust covers as claimed in claim 3, wherein the mounting portion of the connecting sleeve comprises an L-shaped first section, an arc-shaped second section and a third section with a protrusion in this order, the end of the inner dust cover connected to the connecting sleeve comprises a first arc-shaped section and a first groove section in this order, the second section is attached to the first arc-shaped section, the third section is attached to the first groove section, and the contact surface of the inner dust cover and the connecting sleeve is connected by a sealant.
5. The constant velocity joint according to claim 4, wherein a second groove section is provided at an end of the outer boot connected to the connection sleeve, a second arc-shaped section protruding outward is provided at a bottom of the second groove section, the second groove section abuts against a longitudinal sidewall of the first section, the second arc-shaped section abuts against the second section, the outer boot is fixed to the connection sleeve by a clamp, and the clamp is disposed in the second groove section.
6. The constant velocity joint having inner and outer dust covers according to claim 2, wherein the joint sleeve further comprises a first engaging portion, a first transition portion, and a first connecting portion, the first engaging portion, the first transition portion, the first connecting portion, and the mounting portion are connected in sequence, the first engaging portion is attached to the cylindrical shell, and the first transition portion is formed in a convex arc shape.
7. The constant velocity joint having inner and outer dust covers as set forth in claim 6, further comprising a steel ball and a cage, wherein said first transition portion has a curvature adapted to an outer spherical surface of said steel ball.
8. The constant velocity joint having inner and outer dust covers according to claim 6, wherein the end cap includes a second engaging portion, a second transition portion and a face portion, the second engaging portion, the second transition portion and the face portion being connected in this order, the second engaging portion being attached to the cylindrical shell, and the second transition portion being formed in a convex arc shape.
9. The constant velocity joint having inner and outer dust boots of claim 8, further comprising a steel ball and a cage, wherein the curvature of the second transition portion is adapted to the outer spherical surface of the steel ball.
10. The constant velocity joint having inner and outer dust covers as set forth in claim 8, wherein said first engaging portion and said second engaging portion are attached to said cylindrical shell by a sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211086511.0A CN115163685A (en) | 2022-09-07 | 2022-09-07 | Constant velocity universal joint with inner and outer dust covers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211086511.0A CN115163685A (en) | 2022-09-07 | 2022-09-07 | Constant velocity universal joint with inner and outer dust covers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115163685A true CN115163685A (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211086511.0A Pending CN115163685A (en) | 2022-09-07 | 2022-09-07 | Constant velocity universal joint with inner and outer dust covers |
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| Country | Link |
|---|---|
| CN (1) | CN115163685A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010156353A (en) * | 2008-12-26 | 2010-07-15 | Ntn Corp | Boot for constant velocity joint |
| CN103775523A (en) * | 2012-10-17 | 2014-05-07 | 万向钱潮股份有限公司 | Sealing structure and sealing method of constant velocity universal joint |
| CN207945215U (en) * | 2018-01-11 | 2018-10-09 | 宁波万航实业有限公司 | A kind of constant velocity universal joint drive spindle assembly |
| CN211501391U (en) * | 2019-10-29 | 2020-09-15 | 万向钱潮股份有限公司 | Convex rib structure dust cover connecting sleeve |
| US20220258530A1 (en) * | 2019-07-15 | 2022-08-18 | Hyundai Wia Corporation | Hub- integrated-type constant-velocity joint device |
-
2022
- 2022-09-07 CN CN202211086511.0A patent/CN115163685A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010156353A (en) * | 2008-12-26 | 2010-07-15 | Ntn Corp | Boot for constant velocity joint |
| CN103775523A (en) * | 2012-10-17 | 2014-05-07 | 万向钱潮股份有限公司 | Sealing structure and sealing method of constant velocity universal joint |
| CN207945215U (en) * | 2018-01-11 | 2018-10-09 | 宁波万航实业有限公司 | A kind of constant velocity universal joint drive spindle assembly |
| US20220258530A1 (en) * | 2019-07-15 | 2022-08-18 | Hyundai Wia Corporation | Hub- integrated-type constant-velocity joint device |
| CN211501391U (en) * | 2019-10-29 | 2020-09-15 | 万向钱潮股份有限公司 | Convex rib structure dust cover connecting sleeve |
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Application publication date: 20221011 |
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