CN111677775A - Connecting structure of universal joint of transmission shaft and opponent piece and vehicle - Google Patents
Connecting structure of universal joint of transmission shaft and opponent piece and vehicle Download PDFInfo
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- CN111677775A CN111677775A CN202010511817.0A CN202010511817A CN111677775A CN 111677775 A CN111677775 A CN 111677775A CN 202010511817 A CN202010511817 A CN 202010511817A CN 111677775 A CN111677775 A CN 111677775A
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- star wheel
- universal joint
- sheath
- transmission shaft
- connecting structure
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 51
- 238000007789 sealing Methods 0.000 claims description 32
- 230000000903 blocking effect Effects 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 6
- 239000003433 contraceptive agent Substances 0.000 description 3
- 230000002254 contraceptive effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- F16D3/16—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
- F16D3/224—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 the groove centre-lines in each coupling part lying on a sphere
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
The invention relates to the technical field of automobile transmission, and particularly discloses a connecting structure of a universal joint of a transmission shaft and a counter-hand piece and a vehicle, wherein the connecting structure comprises: a drive shaft; the universal joint assembly comprises an inner star wheel, an outer star wheel, balls and a retainer, wherein the outer star wheel is connected to the transmission shaft, a containing hole is formed in the retainer, the balls are arranged in the containing hole, the outer star wheel is sleeved on the outer side of the inner star wheel, the retainer is positioned between the outer star wheel and the inner star wheel, and an inner spline is arranged on an inner hole of the inner star wheel; the opponent part comprises an output shaft, the first end of the output shaft is provided with an external spline matched with the internal spline, and the first end of the output shaft is inserted into the internal star wheel to enable the internal spline to be matched with the external spline so as to connect the opponent part and the transmission shaft. By adopting spline connection, the structure of the universal joint component is simpler and more compact, the weight is reduced, and the overall outer diameter ratio of the universal joint component is smaller. Spline connection, the mounting means is simple, need not various supporting equipment of screwing up moreover, and production efficiency is higher.
Description
Technical Field
The invention relates to the technical field of automobile transmission, in particular to a connecting structure of a universal joint of a transmission shaft and an opponent piece and a vehicle.
Background
In the technical field of automobile transmission, a connecting structure of a transmission shaft constant velocity universal joint and a counter-hand piece is a flange type structure, and has the following defects: 1. the connecting structure is complicated, the universal joint has large outside diameter and heavy weight; the traditional transmission shaft constant velocity joint and the counterpart piece adopt a flange connection structure, and are fixed by bolts uniformly distributed on the outer ring of an outer star wheel of the universal joint, so that the universal joint is large in quantity, weight and size and is large in connecting parts. 2. The installation and operation are inconvenient; the flange type connecting structure of the constant velocity universal joint needs 6 bolts and 3 gaskets for fixation (8 ball track constant velocity joints even need 8 bolts and 4 gaskets for fixation), and a plurality of working hours are needed for sequentially fastening the bolts along the circumferential direction during installation; in addition, as the transmission shaft adopts a hollow shaft pipe structure, the diameter is basically over phi 50, so that the installation space is very compact, a torque wrench (or an electric gun/air gun) for fastening a bolt is easy to interfere with the transmission shaft, the operation is inconvenient, and expensive specially-customized tightening equipment needs to be purchased for tightening.
Therefore, a connecting structure of a universal joint of a transmission shaft and a counterpart member and a vehicle are needed to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a connecting structure of a universal joint of a transmission shaft and a counter-hand piece and a vehicle, which can enable the structure of a universal joint component to be simpler and more compact, have smaller weight and have smaller overall external diameter ratio. Moreover, the installation mode is simple and reliable.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, a connecting structure of a universal joint of a transmission shaft and a counter-element is provided, which includes:
a drive shaft;
the universal joint assembly comprises an inner star wheel, an outer star wheel, a ball and a retainer, wherein the outer star wheel is connected to the transmission shaft, a containing hole is formed in the retainer, the ball is arranged in the containing hole, the outer star wheel is sleeved on the outer side of the inner star wheel, the retainer is positioned between the outer star wheel and the inner star wheel, and an inner spline is arranged on an inner hole of the inner star wheel;
the opponent part comprises an output shaft, the first end of the output shaft is provided with an external spline matched with the internal spline, and the first end of the output shaft is inserted into the internal star wheel to enable the internal spline to be matched with the external spline so as to connect the opponent part with the transmission shaft.
As a transmission shaft universal joint and opponent's piece connection structure's preferred technical scheme, still include the snap ring, be provided with first accepting groove on the lateral wall of the first end of output shaft, the inside wall of the hole of interior star gear is fitted with a contraceptive ring and is equipped with the second accepting groove, the snap ring part is located in the first accepting groove, the part is located in the second accepting groove.
As an optimal technical scheme of a connecting structure of the transmission shaft universal joint and the counter part, the universal joint component further comprises a blocking cover, and the blocking cover is pressed in an inner hole of the outer star wheel and is in interference fit with the outer star wheel.
As a transmission shaft universal joint and opponent's piece connection structure's preferred technical scheme, the universal joint subassembly still includes first sealing washer, the inner wall of the hole of interior star gear is fitted with a contraceptive ring and is equipped with first holding tank, first sealing washer part inlay in the first holding tank, the outside of output shaft is provided with the sealed shelves, the inner wall of first sealing washer support press in the outside of sealed shelves.
As a transmission shaft universal joint and the preferred technical scheme to the hand piece connection structure, the universal joint subassembly still includes sheath and sheath lid, the sheath with sheath lid sealing connection, the sheath lid cover is located the outside of besides-star wheel, and with besides-star wheel sealing connection, the sheath cover is located the outside of interior star wheel.
As a transmission shaft universal joint and opponent's piece connection structure's preferred technical scheme, the lateral wall of besides-star gear is fitted with a contraceptive ring and is equipped with the second seal groove, the universal joint subassembly still includes the second sealing washer, the second sealing washer part inlay in the second seal groove, the outside of second sealing washer support press in the inside wall of sheath lid.
As an optimal technical scheme of a connecting structure of the universal joint of the transmission shaft and the counter part, the universal joint component further comprises a clamping hoop, and the clamping hoop is sleeved on the outer side of the sheath and is used for clamping and fixing the sheath on the inner star wheel.
As a preferred technical scheme of a connecting structure of the universal joint of the transmission shaft and the counter part, the sheath cover, the inner star wheel and the outer star wheel enclose to form an air chamber;
be provided with the air discharge duct on the inside wall of sheath, the air discharge duct is including the first exhaust portion, second exhaust portion and the third exhaust portion that connect gradually, first exhaust portion communicate in the air chamber, first exhaust portion with second exhaust portion is the contained angle setting, second exhaust portion with third exhaust portion is the contained angle setting, third exhaust portion communicate in the outside of sheath.
As a preferred technical scheme of a connecting structure of the universal joint of the transmission shaft and the counter part, one end of the sheath, which is far away from the sheath cover, is provided with a dust blocking lip in an inward protruding mode.
In another aspect, there is provided a vehicle including the drive shaft universal joint and the counter-element connecting structure as described above, wherein the counter-element is a transmission, a transfer case, or a final drive.
The invention has the beneficial effects that:
the external spline of the output shaft is matched with the internal spline of the internal star wheel, so that the output shaft and the internal star wheel can synchronously rotate, and the hand piece and the transmission shaft can be connected. The spline connection is adopted, a flange in the prior art is not adopted, and the flange, and bolts and gaskets matched with the flange are not required to be arranged; the structure of the universal joint assembly is simpler and more compact, the weight is reduced, and the overall external diameter ratio of the universal joint assembly is smaller. Compared with a bolt connecting flange, the spline connection is simple in installation mode, various matched tightening devices are not needed, the production efficiency is high, and the cost is low.
Drawings
FIG. 1 is a schematic structural view of a connecting structure of a universal joint of a transmission shaft and a counter-element provided by the invention;
FIG. 2 is a cross-sectional view of a connecting structure of a universal joint of a driving shaft and a counter-element provided by the invention;
FIG. 3 is a partial schematic structural view of a connecting structure of a universal joint of a transmission shaft and a counter-element provided by the invention;
FIG. 4 is a schematic structural view of a sheath provided by the present invention;
fig. 5 is a cross-sectional view of a sheath provided by the present invention.
In the figure:
1. a drive shaft; 2. a gimbal assembly; 21. an inner star wheel; 211. an internal spline; 212. a second receiving groove; 22. an outer star wheel; 23. a ball bearing; 24. a holder; 241. an accommodation hole; 25. a blocking cover; 26. a first seal ring; 27. a sheath; 271. an exhaust groove; 2711. a first exhaust portion; 2712. a second exhaust section; 2713. a third exhaust unit; 272. a dust blocking lip; 28. a sheath cover; 29. a clamping hoop; 210. a second seal ring;
3. an output shaft; 31. an external spline; 32. a first receiving groove; 33. a seal file; 34. positioning the gear section;
4. a snap ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled 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.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1 to 3, the present embodiment discloses a connecting structure of a universal joint of a transmission shaft and a counterpart member, which includes a transmission shaft 1, a universal joint assembly 2 and a counterpart member.
The universal joint assembly 2 comprises an inner star wheel 21, an outer star wheel 22, balls 23 and a retainer 24. The outer star wheel 22 is connected to the transmission shaft 1, specifically by welding, and the transmission shaft 1 is a hollow shaft.
The holding frame 24 is provided with a holding hole 241, the holding hole 241 is internally provided with a ball 23, the outer star wheel 22 is sleeved on the outer side of the inner star wheel 21, the holding frame 24 is positioned between the outer star wheel 22 and the inner star wheel 21, and the ball 23 is a steel ball. The steel balls are in contact with the inner side wall of the outer star wheel 22 and the outer side wall of the inner star wheel 21, so that the outer star wheel 22 can rotate relative to the inner star wheel 21.
The inner star wheel 21 comprises a connecting portion and a sleeve portion which are integrally formed, wherein the outer diameter of the connecting portion is larger than that of the sleeve portion, and the connecting portion extends into the outer star wheel 22 and is rotatably connected with the outer star wheel 22. The inner bore of the inner star wheel 21 is provided with an inner spline 211, and specifically, the inner spline 211 is provided inside the connecting portion.
The opponent part comprises an output shaft 3, the first end of the output shaft 3 is provided with an external spline 31 matched with the internal spline 211, the first end of the output shaft 3 is inserted into the internal star wheel 21, the external spline 31 is inserted into the internal spline 211 to connect the opponent part and the transmission shaft 1, and therefore the output shaft 3 and the internal star wheel 21 can rotate synchronously.
The external splines 31 of the output shaft 3 are matched with the internal splines 211 of the internal star wheel 21, so that the output shaft 3 and the internal star wheel 21 can synchronously rotate, and the hand piece and the transmission shaft 1 can be connected. The spline connection is adopted, a flange in the prior art is not adopted, and the flange, and bolts and gaskets matched with the flange are not required to be arranged; the structure of the universal joint component 2 can be simpler and more compact, the weight is reduced, and the overall external diameter ratio of the universal joint component 2 is smaller. Compared with a bolt connecting flange, the spline connection is simple in installation mode, various matched tightening devices are not needed, the production efficiency is high, and the cost is low.
Specifically, the connecting structure further comprises a snap ring 4, a first accommodating groove 32 is formed in the outer side wall of the first end of the output shaft 3, a second accommodating groove 212 is formed in the inner side wall of the inner hole of the inner star wheel 21 in a surrounding mode, and the snap ring 4 is partially located in the first accommodating groove 32 and partially located in the second accommodating groove 212. The snap ring 4 can prevent the output shaft 3 from axially moving relative to the inner star wheel 21, and the transmission shaft 1 is prevented from automatically separating from the inner star wheel 21. Moreover, the chamfer on the side of the first receiving groove 32 close to the end of the first end of the output shaft 3 is relatively large, which facilitates the smooth detachment of the output shaft 3 from the inner star wheel 21, and thus the smooth detachment of the transmission shaft 1 from the counterpart is completed.
Preferably, the gimbal assembly 2 further includes a containment cap 25 that is pressed into the inner bore of the outer star 22 and interference fit with the outer star 22. The blocking cover 25 is located at one end of the besides-star wheel 22 close to the transmission shaft 1 and can separate the inner hole of the besides-star wheel 22 from the middle hole of the transmission shaft 1.
Preferably, the universal joint assembly 2 further includes a first sealing ring 26, a first receiving groove is annularly arranged on the inner wall of the inner hole of the inner star wheel 21, the first sealing ring 26 is partially embedded in the first receiving groove, a sealing rail 33 is arranged on the outer side of the output shaft 3, and the inner wall of the first sealing ring 26 abuts against the outer side of the sealing rail 33. The first sealing ring 26 can seal between the output shaft 3 and the internal star wheel 21.
The first end of output shaft 3 is including the sealed shelves section, location shelves section 34 and the spline section that connect gradually, and wherein sealed shelves 33 sets up in the outside of sealed shelves section, and external splines 31 sets up on the spline section, and the external diameter of location shelves section 34 is greater than the external diameter of spline section, is less than the external diameter of sealed shelves 33. The hole of interior star gear 21 includes respectively with sealed shelves section, location shelves section 34 and the sealed section that the spline section phase-match set up, location section and linkage segment, because basic diameter size is little, under the equal machining precision condition, the tolerance zone of location shelves section 34 and location section is littleer, makes transmission shaft 1 and the radial fit clearance that realizes littleer to the hand piece, has promoted the dynamic balance performance level of transmission and whole car NVH performance by a wide margin.
Preferably, the universal joint assembly 2 further includes a sheath 27, a sheath cover 28 and a second sealing ring 210, wherein the sheath 27 and the sheath cover 28 are hermetically connected, specifically, fixedly connected by riveting. The jacket cover 28 is sleeved on the outer side of the outer star wheel 22 and is connected with the outer star wheel 22 in a sealing mode, and the jacket 27 is sleeved on the outer side of the inner star wheel 21. Specifically, a second sealing groove is annularly disposed on an outer sidewall of the outer star wheel 22, the second sealing ring 210 is partially embedded in the second sealing groove, and an outer side of the second sealing ring 210 abuts against an inner sidewall of the sheath cover 28. The first seal ring 26 and the second seal ring 210 are both O-ring rubber rings.
The gimbal assembly 2 further includes a clamping hoop 29 disposed outside the sheath 27, and the clamping hoop 29 can clamp and fix the sheath 27 to the inner spider 21. A groove is provided around the outer side wall of the sheath 27 in which the clip 29 is located so that the clip 29 does not axially float relative to the sheath 27.
Preferably, the jacket 27, the jacket cover 28, the inner star wheel 21 and the outer star wheel 22 enclose to form an air chamber; as shown in fig. 4 and 5, an air exhaust groove 271 is formed in the inner side wall of the sheath 27, the air exhaust groove 271 includes a first air exhaust part 2711, a second air exhaust part 2712 and a third air exhaust part 2713 which are connected in sequence, the first air exhaust part 2711 is communicated with the air chamber, the first air exhaust part 2711 and the second air exhaust part 2712 are arranged at an included angle, the second air exhaust part 2712 and the third air exhaust part 2713 are arranged at an included angle, and the third air exhaust part 2713 is communicated with the outer side of the sheath 27. The inner side wall of the sheath 27 is provided with an annular boss protruding inwards, and the annular boss is positioned on the inner side of the clamping hoop 29. The exhaust groove 271 is arranged on the inner side wall of the annular boss. Specifically, the first exhaust portion 2711 and the third exhaust portion 2713 are both arranged in the axial direction of the jacket 27, and the second exhaust portion 2712 is arranged in the circumferential direction of the jacket 27, and almost one turn, i.e., the first exhaust portion 2711 and the third exhaust portion 2713 are both arranged perpendicular to the second exhaust portion 2712. The end of the sheath 27 away from the sheath cover 28 is provided with a dust blocking lip 272 protruding inwards, and a gap is left between the dust blocking lip 272 and the output shaft 3. Due to the high rotation speed of the propeller shaft 1, the various components of the joint assembly 2 generate a large amount of heat due to friction during operation, which increases the air pressure in the air chamber, and there is a risk of expansion deformation failure of the boot 27 and the boot cover 28 and high pressure leakage of grease. The air chamber is communicated with the outside through the exhaust groove 271, so that the air chamber can be always at the atmospheric pressure. It is ensured that the sheath 27 and the sheath cover 28 are not damaged by the high-pressure expansion. Further, the dust blocking lip 272 serves as a stopper to prevent external water, dust, and the like from entering the air chamber.
The embodiment discloses still disclose a vehicle, and it includes foretell driveshaft universal joint and to the spare connection structure, wherein to the spare for derailleur, transfer case or final drive ware etc..
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. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. 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. The utility model provides a transmission shaft universal joint and opponent part connection structure which characterized in that includes:
a drive shaft (1);
the universal joint component (2) comprises an inner star wheel (21), an outer star wheel (22), balls (23) and a retainer (24), wherein the outer star wheel (22) is connected to the transmission shaft (1), a containing hole (241) is formed in the retainer (24), the balls (23) are arranged in the containing hole (241), the outer star wheel (22) is sleeved on the outer side of the inner star wheel (21), the retainer (24) is located between the outer star wheel (22) and the inner star wheel (21), and an inner spline (211) is arranged on an inner hole of the inner star wheel (21);
opponent spare, it includes output shaft (3), the first end of output shaft (3) be provided with internal spline (211) matched with external spline (31), the first end of output shaft (3) insert in interior star gear (21), make internal spline (211) with external spline (31) cooperate to connect opponent spare with transmission shaft (1).
2. The connecting structure of the universal joint of the transmission shaft and the opponent part according to claim 1, further comprising a snap ring (4), wherein a first receiving groove (32) is formed in the outer side wall of the first end of the output shaft (3), a second receiving groove (212) is formed in the inner side wall of the inner hole of the inner star wheel (21) in a surrounding mode, and the snap ring (4) is partially located in the first receiving groove (32) and partially located in the second receiving groove (212).
3. A driveshaft universal joint and counter-element connection according to claim 1, characterized in that the universal joint assembly (2) further comprises a blocking cap (25) pressed into the inner bore of the besides-star wheel (22) and interference fitted with the besides-star wheel (22).
4. The connecting structure of the universal joint of the transmission shaft and the opponent part according to claim 1, wherein the universal joint component (2) further comprises a first sealing ring (26), a first accommodating groove is annularly arranged on the inner wall of the inner hole of the inner star wheel (21), the first sealing ring (26) is partially embedded in the first accommodating groove, a sealing stop (33) is arranged on the outer side of the output shaft (3), and the inner wall of the first sealing ring (26) is pressed against the outer side of the sealing stop (33).
5. The connecting structure of the universal joint of the transmission shaft and the counter element according to claim 1, wherein the universal joint assembly (2) further comprises a sheath (27) and a sheath cover (28), the sheath (27) is connected with the sheath cover (28) in a sealing manner, the sheath cover (28) is sleeved on the outer side of the outer star wheel (22) and connected with the outer star wheel (22) in a sealing manner, and the sheath (27) is sleeved on the outer side of the inner star wheel (21).
6. The connecting structure of the driving shaft universal joint and the counter element according to claim 5, wherein a second sealing groove is annularly arranged on the outer side wall of the outer star wheel (22), the universal joint component (2) further comprises a second sealing ring (210), the second sealing ring (210) is partially embedded in the second sealing groove, and the outer side of the second sealing ring (210) is pressed against the inner side wall of the sheath cover (28).
7. The connecting structure of a universal joint of a transmission shaft and an opponent member according to claim 6, wherein the universal joint component (2) further comprises a clamping hoop (29) which is sleeved outside the jacket (27) to clamp and fix the jacket (27) on the inner star wheel (21).
8. The connecting structure of the transmission shaft universal joint and the counter-element as claimed in claim 5, characterized in that the sheath (27), the sheath cover (28), the inner star wheel (21) and the outer star wheel (22) enclose to form an air chamber;
be provided with on the inside wall of sheath (27) air discharge duct (271), air discharge duct (271) including first exhaust portion (2711), second exhaust portion (2712) and third exhaust portion (2713) that connect gradually, first exhaust portion (2711) communicate in the air chamber, first exhaust portion (2711) with second exhaust portion (2712) are the contained angle setting, second exhaust portion (2712) with third exhaust portion (2713) are the contained angle setting, third exhaust portion (2713) communicate in the outside of sheath (27).
9. The driveshaft joint and counter-element connection according to claim 8, characterized in that the end of the sheath (27) remote from the sheath cover (28) is provided with a dust lip (272) protruding inwards.
10. A vehicle characterized by comprising the propeller shaft universal joint and the counter-element connecting structure according to any one of claims 1 to 9, wherein the counter-element is a transmission, a transfer case, or a final drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010511817.0A CN111677775A (en) | 2020-06-08 | 2020-06-08 | Connecting structure of universal joint of transmission shaft and opponent piece and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010511817.0A CN111677775A (en) | 2020-06-08 | 2020-06-08 | Connecting structure of universal joint of transmission shaft and opponent piece and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111677775A true CN111677775A (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010511817.0A Pending CN111677775A (en) | 2020-06-08 | 2020-06-08 | Connecting structure of universal joint of transmission shaft and opponent piece and vehicle |
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| Country | Link |
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| CN (1) | CN111677775A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762104A (en) * | 2021-01-22 | 2021-05-07 | 中国第一汽车股份有限公司 | Cross lane movable universal joint pull-off prevention structure |
| CN113983081A (en) * | 2021-10-27 | 2022-01-28 | 万向钱潮股份有限公司 | A new type of dust cover structure for moving constant velocity joints |
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| JP2001349333A (en) * | 2000-06-02 | 2001-12-21 | Ntn Corp | Constant velocity universal joint |
| US20050101390A1 (en) * | 2003-11-07 | 2005-05-12 | Wang Shen-Ling A. | Constant velocity joint vent valve |
| CN206600374U (en) * | 2017-02-16 | 2017-10-31 | 中国第一汽车股份有限公司 | A kind of universal nodal section spline connection structure of drive shaft fixing end |
| 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 |
| CN109915495A (en) * | 2017-12-07 | 2019-06-21 | 尼亚布科知识产权控股有限责任公司 | The CV joint of shield and axis exhaust passage with cooperation |
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2020
- 2020-06-08 CN CN202010511817.0A patent/CN111677775A/en active Pending
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| JP2001349333A (en) * | 2000-06-02 | 2001-12-21 | Ntn Corp | Constant velocity universal joint |
| US20050101390A1 (en) * | 2003-11-07 | 2005-05-12 | Wang Shen-Ling A. | Constant velocity joint vent valve |
| CN206600374U (en) * | 2017-02-16 | 2017-10-31 | 中国第一汽车股份有限公司 | A kind of universal nodal section spline connection structure of drive shaft fixing end |
| CN109915495A (en) * | 2017-12-07 | 2019-06-21 | 尼亚布科知识产权控股有限责任公司 | The CV joint of shield and axis exhaust passage with cooperation |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762104A (en) * | 2021-01-22 | 2021-05-07 | 中国第一汽车股份有限公司 | Cross lane movable universal joint pull-off prevention structure |
| CN113983081A (en) * | 2021-10-27 | 2022-01-28 | 万向钱潮股份有限公司 | A new type of dust cover structure for moving constant velocity joints |
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Application publication date: 20200918 |