CN112762104A - Cross lane movable universal joint pull-off prevention structure - Google Patents
Cross lane movable universal joint pull-off prevention structure Download PDFInfo
- Publication number
- CN112762104A CN112762104A CN202110085611.0A CN202110085611A CN112762104A CN 112762104 A CN112762104 A CN 112762104A CN 202110085611 A CN202110085611 A CN 202110085611A CN 112762104 A CN112762104 A CN 112762104A
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- star wheel
- connecting shaft
- prevention structure
- sheath
- universal joint
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- Pending
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- 230000002265 prevention Effects 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000004519 grease Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000005255 carburizing Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000005242 forging Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 230000001050 lubricating effect Effects 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 4
- 239000010963 304 stainless steel Substances 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a cross lane movable type universal joint pull-off prevention structure, which belongs to the technical field of transmission parts and comprises the following components: the method comprises the following steps: the outer star wheel is arranged coaxially with the connecting shaft, the inner star wheel assembly is sleeved on one end of the connecting shaft, and the outer star wheel is sleeved on the inner star wheel assembly and connected with the connecting shaft through the protection nested assembly. The invention discloses a cross lane movable type universal joint pull-off prevention structure, which is characterized in that a protruding structure is designed at the port part of the cylindrical surface of an outer star wheel, the protruding structure and the outer star wheel are integrated, the strength is high through forging, heat treatment and machining, the structure cannot deform after being collided by balls, the reliability is extremely high, the problem that the balls collide with a sheath cover is thoroughly avoided through the new structure, the sheath cover cannot deform, and the reliable sealing performance is ensured.
Description
Technical Field
The invention discloses a cross lane movable type universal joint pull-off prevention structure, and belongs to the technical field of transmission parts.
Background
The anti-pulling-off structure of the cross lane movable universal joint of the driving shaft in the prior art has the following defects:
(1) the limiting strength is insufficient.
The traditional structure relies on the riveting to cover at the jacket of outer star gear and comes spacingly, because the jacket lid is the sheet metal construction, intensity is not high, causes the jacket lid to warp easily when extreme operating mode and dismouting are maintained, causes the universal joint to pull off, became invalid indirectly.
(2) Affecting the sealing properties.
The universal joint realizes sealing through a protective sleeve cover and an outer star wheel compaction sealing O-shaped ring. When extreme operating mode and dismouting are maintained, the ball can collide the sheath lid, causes the sheath lid to warp in the past this long time, influences the leakproofness.
Disclosure of Invention
The invention aims to solve the problems of insufficient limiting strength and poor sealing performance of the conventional pull-out preventing structure, and provides a pull-out preventing structure of a crossed lane movable universal joint.
The invention aims to solve the problems and is realized by the following technical scheme:
a cross lane mobile gimbal pull-off prevention structure comprising: the outer star wheel is arranged coaxially with the connecting shaft, the inner star wheel assembly is sleeved on one end of the connecting shaft, and the outer star wheel is sleeved on the inner star wheel assembly and connected with the connecting shaft through the protection nested assembly.
Preferably, the inner star wheel assembly includes: the inner star wheel is connected to one end of the connecting shaft in a clamped mode, the outer star wheel is sleeved on the inner star wheel and is a plurality of balls which are nested between the outer star wheel and the inner star wheel through the retainer, the inner side edge of the outer star wheel is provided with a protrusion, and the outer star wheel is prevented from being pulled off through the protrusion.
Preferably, the protection nest assembly comprises: the outer star wheel is connected with the outer star wheel in a clamped mode, the outer star wheel is connected with the connecting shaft in a clamped mode, and the outer star wheel is connected with the connecting shaft in a clamped mode.
Preferably, the protective nest assembly further comprises a sealing O-ring disposed between the jacket cover and the outer star wheel.
Preferably, the method further comprises the following steps: and grease disposed between the sheath and the connecting shaft.
Preferably, the outer star wheel is made of a first oxygen-free copper material.
Preferably, the connecting shaft is made of 38B3 alloy structural steel.
Preferably, the inner star wheel and the retainer are made of carburizing steel.
Preferably, the grease is a lithium-based grease.
The invention has the beneficial effects that:
(1) the reliability is improved:
the new structure designs protruding structure at the port portion of the outer star wheel cylinder face, protruding structure and outer star wheel are as an organic whole, through forging, thermal treatment, machine processing, intensity is high, can not warp after receiving the ball to collide yet, and the reliability is high.
(2) The sealing performance is improved:
the new structure thoroughly avoids the problem that the ball collides with the sheath cover, the sheath cover cannot deform, and the reliable sealing performance is ensured
Drawings
Fig. 1 is an isometric view of a cross lane portable joint pull-off prevention structure of the present invention.
Fig. 2 is a schematic structural diagram of a pull-off prevention structure of a cross lane movable type universal joint of the present invention.
Fig. 3 is an isometric view of an outer star wheel of a cross lane moving type universal joint pull-off prevention structure of the present invention.
Fig. 4 is a schematic structural diagram of an outer star wheel of a cross lane movable type universal joint pull-off prevention structure of the invention.
Fig. 5 is an enlarged view of a portion a of the pull-off prevention structure of the cross lane movable type universal joint of the present invention.
Fig. 6 is a partial isometric view of a cross lane portable joint pull-off prevention structure of the present invention.
The device comprises 1-besides-star wheel, 2-inside-star wheel, 3-rolling ball, 4-retainer, 5-sealing O-shaped ring, 6-sheath cover, 7-large clamping hoop, 8-sheath, 9-lubricating grease, 10-small clamping hoop, 11-connecting shaft, 12-clamping ring, 13-bulge, 14-outer cylindrical surface and 15-ball channel.
Detailed Description
The invention is further illustrated below with reference to the accompanying figures 1-6:
the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, a first embodiment of the present invention provides a cross lane movable type universal joint pull-off prevention structure based on the prior art, which includes: the outer star wheel 1 and the connecting shaft 11 are coaxially arranged, the inner star wheel assembly is installed at one end of the connecting shaft 11, the outer star wheel 1 is sleeved outside the inner star wheel assembly and is connected with the connecting shaft 11 through the protection nesting assembly, and the structure of the components and the connection structure among the components are described in detail below.
First, referring to the outer star wheel 1, as shown in fig. 3-5, one end of the outer star wheel 1 is an external connection end, the other end is a bowl-shaped connection end and is connected with one end of a connection shaft 11, a plurality of ball tracks 15 are uniformly arranged on an outer cylindrical surface 14 at the other end of the outer star wheel 1, and a protrusion 13 is arranged at the edge of the outer cylindrical surface 14 and used for preventing the inner star wheel assembly from being pulled out and losing efficacy.
The outer star wheel 1 adopts the first oxygen-free copper, the purity of the first oxygen-free copper reaches 99.97%, the oxygen content is not more than 0.003%, the total impurity content is not more than 0.03%, and the outer star wheel has the characteristics of high electric conductivity, good processing performance, good welding performance, good corrosion resistance and good low-temperature performance. The connecting shaft 11 is made of 38B3 structural alloy steel, and the structural alloy steel has proper hardenability, and after proper metal heat treatment, the microstructure is uniform sorbite, bainite or superfine pearlite, so that the structural alloy steel has high tensile strength and yield ratio (generally about 0.85), high toughness and fatigue strength and low toughness-brittleness transition temperature.
The following description of the inner starwheel assembly structure, as shown in fig. 6, includes: interior star gear 2, a plurality of ball 3 and holder 4, 11 one end side of connecting axle is equipped with snap ring 12, interior star gear 2 establishes at 11 tip of connecting axle through the snap ring cover, 2 outsides of interior star gear are equipped with a plurality of semicircle recesses, semicircle recess is corresponding with the 15 numbers of lane, be equipped with the round hole corresponding with semicircle recess on the holder 4, be equipped with a plurality of balls 3 in the semicircle recess and can remove in semicircle recess through holder 4, outer star gear 1 establishes on interior star gear assembly through the 15 covers of lane, a plurality of balls 3 can remove in lane 15, because outer cylindrical surface 14 border is equipped with protruding 11, through forging, thermal treatment, machine adds, high strength, also can not warp after colliding by a plurality of balls 3, high reliability, thereby can prevent interior star gear assembly from taking off and becoming invalid.
The inner star wheel 2 and the retainer 4 are made of carburizing steel, and the carburizing steel is low-carbon steel with the carbon content of 0.17% -0.24%. The steel is Cr Mn Ti steel in medium hardenability carburizing steel, has higher hardenability, and particularly has higher low-temperature impact toughness under the condition of ensuring the hardenability. 20CrMnTi steel for case hardening treatment. Good processability, small processing deformation and quite good fatigue resistance. The ball 3 adopts GCr15 steel, GCr15 steel is a representative steel grade of high-carbon chromium bearing steel, and the comprehensive performance is good. The hardness after quenching and tempering is high and uniform, and the wear resistance and the contact fatigue resistance are high.
After the outer star wheel 1 is sleeved on the inner star wheel assembly through the ball path 15, the sealing and lubricating problems of the inner star wheel assembly will be described next, and the protective nested assembly comprises: sealing O type circle 5, sheath lid 6, big clamp 7, sheath 8 and little clamp 10, establish sealing O type circle 5 cover in 1 bowl type link end side of besides-star wheel, 1 bowl type link end portion of buckle besides-star wheel is passed through to sheath lid 6 one end, adopt sealing O type circle 5 to carry out the sealing between sheath lid 6 and the besides- star wheel 1, 8 pot heads of sheath are established on connecting axle 11, and fix on connecting axle 11 through little clamp 10, sheath lid 6 and 8 joint of sheath are in the same place through big clamp 7 is fixed. The grease 9 is injected into the jacket 8, so that the inner star wheel assembly can generate a lubricating effect when moving in the outer star wheel 1.
The sealing O-shaped ring 5 is made of nitrile rubber, the sheath cover 6 is made of DC04, the large clamp 7 and the small clamp 10 are made of SUS304, SUS304 is 304 stainless steel, and SUS304 is 304 stainless steel in simple bai. SUS is a Japanese material standard, and 304 stainless steel is a brand of stainless steel produced by du according to American ASTM standards. 304 is equivalent to the 06Cr19Ni10(0Cr18Ni9) [1] stainless steel in China, and Japan also cites the nomenclature of the United states, which is called as: SUS 304. Compared with Cr13 stainless steel, it has high corrosion resistance, high plasticity and toughness at low, room and high temp. and better cold-working shaping and welding performance. However, the strength at room temperature is low, the intergranular corrosion and stress corrosion tendency is high, and the machinability is poor. Austenite does not undergo phase transformation upon heating and therefore cannot be strengthened by heat treatment. Heat treatment can only be carried out to improve the corrosion resistance of the steel. The sheath 8 is made of tpe material, namely thermoplastic elastomer, which is a polymer material (without vulcanization) having both plastic and rubber properties, exhibiting high elasticity of rubber at normal temperature and being plasticized and molded at high temperature. The thermoplastic elastomer is structurally characterized in that different resin sections and rubber sections are formed by chemical bonds, physical cross-linking points are formed by the resin sections through inter-chain acting force, the rubber sections are high-elasticity chain sections and contribute to elasticity, and the lubricating grease 9 is lithium-based lubricating grease, has good water resistance, mechanical stability, corrosion resistance and oxidation stability, and is suitable for lubricating rolling bearings, sliding bearings and other friction parts of various mechanical equipment at the working temperature of minus 20-120 ℃.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a structure is prevented pulling off by portable universal joint of crossing lane which characterized in that includes: the outer star wheel (1) and the connecting shaft (11) are coaxially arranged, the inner star wheel assembly is sleeved on one end of the connecting shaft (11), and the outer star wheel (1) is sleeved on the inner star wheel assembly and is connected with the connecting shaft (11) through the protective nested assembly.
2. The cross lane mobile gimbal anti-pulling-off structure of claim 1, wherein the inner star wheel assembly comprises: interior star gear (2), a plurality of ball (3) and holder (4), interior star gear (2) joint is served at connecting axle (11), the cover is established on interior star gear (2) in besides star gear (1), and is a plurality of ball (3) are nested between besides star gear (1) and interior star gear (2) through holder (4), the inboard border of besides star gear (1) is equipped with arch (13), besides star gear (1) prevents a plurality of through arch (13) ball (3) are pulled out.
3. The cross lane mobile gimbal pull-off prevention structure of claim 1 or 2, wherein the protective nest assembly comprises: sheath lid (6), big clamp (7), sheath (8) and little clamp (10), sheath lid (6) joint is on besides-star wheel (1), sheath (8) cover is established on connecting axle (11) and is fixed together through little clamp (10), sheath lid (6) and sheath (8) joint are together fixed through big clamp (7).
4. The cross lane mobile gimbal anti-pulling-off structure according to claim 3, wherein the protective nesting assembly further comprises a sealing O-ring (5), and the sealing O-ring (5) is arranged between the protective sleeve cover (6) and the besides-star wheel (1).
5. The cross lane mobile gimbal pull-off prevention structure of claim 4, further comprising: and grease (9) provided between the sheath (8) and the connecting shaft (11).
6. The cross lane mobile universal joint pulling-off prevention structure as claimed in claim 4 or 5, wherein the outer star wheel (1) is made of a first oxygen-free copper material.
7. The cross lane portable universal joint pull-off prevention structure according to claim 6, wherein the connecting shaft (11) is made of 38B3 alloy structural steel.
8. The cross lane mobile universal joint pulling-off prevention structure as claimed in claim 2, wherein the inner star wheel (2) and the retainer (4) are made of carburizing steel.
9. The cross-lane mobile joint pulling-off prevention structure according to claim 5, wherein the grease (9) is lithium-based grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110085611.0A CN112762104A (en) | 2021-01-22 | 2021-01-22 | Cross lane movable universal joint pull-off prevention structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110085611.0A CN112762104A (en) | 2021-01-22 | 2021-01-22 | Cross lane movable universal joint pull-off prevention structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112762104A true CN112762104A (en) | 2021-05-07 |
Family
ID=75702646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110085611.0A Pending CN112762104A (en) | 2021-01-22 | 2021-01-22 | Cross lane movable universal joint pull-off prevention structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112762104A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202280755U (en) * | 2011-11-04 | 2012-06-20 | 浙江向隆机械有限公司 | Constant-speed driving shaft ball cage |
| CN203894042U (en) * | 2014-05-15 | 2014-10-22 | 上海纳铁福传动系统有限公司 | Testing device for universal joint sheath |
| CN104863979A (en) * | 2014-02-20 | 2015-08-26 | 杨洪香 | Double-eccentric constant velocity universal joint transmission shaft assembly |
| CN108317182A (en) * | 2018-01-09 | 2018-07-24 | 重庆长安汽车股份有限公司 | A kind of transmission shaft constant velocity cardan joint connection structure |
| US20190085907A1 (en) * | 2016-04-22 | 2019-03-21 | Dana Automotive Systems Group, Llc | Cross groove constant velocity joints for a propeller shaft |
| CN109764065A (en) * | 2019-03-21 | 2019-05-17 | 核心驱动科技（金华）有限公司 | Fixing type equal speed universal joint assembly and its dust preventing component, drive shaft assembly |
| CN111677775A (en) * | 2020-06-08 | 2020-09-18 | 中国第一汽车股份有限公司 | Connecting structure of universal joint of transmission shaft and opponent piece and vehicle |
-
2021
- 2021-01-22 CN CN202110085611.0A patent/CN112762104A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202280755U (en) * | 2011-11-04 | 2012-06-20 | 浙江向隆机械有限公司 | Constant-speed driving shaft ball cage |
| CN104863979A (en) * | 2014-02-20 | 2015-08-26 | 杨洪香 | Double-eccentric constant velocity universal joint transmission shaft assembly |
| CN203894042U (en) * | 2014-05-15 | 2014-10-22 | 上海纳铁福传动系统有限公司 | Testing device for universal joint sheath |
| US20190085907A1 (en) * | 2016-04-22 | 2019-03-21 | Dana Automotive Systems Group, Llc | Cross groove constant velocity joints for a propeller shaft |
| CN108317182A (en) * | 2018-01-09 | 2018-07-24 | 重庆长安汽车股份有限公司 | A kind of transmission shaft constant velocity cardan joint connection structure |
| CN109764065A (en) * | 2019-03-21 | 2019-05-17 | 核心驱动科技（金华）有限公司 | Fixing type equal speed universal joint assembly and its dust preventing component, drive shaft assembly |
| CN111677775A (en) * | 2020-06-08 | 2020-09-18 | 中国第一汽车股份有限公司 | Connecting structure of universal joint of transmission shaft and opponent piece and vehicle |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210507 |
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