CN207673735U - A kind of Universal joint - Google Patents
A kind of Universal joint Download PDFInfo
- Publication number
- CN207673735U CN207673735U CN201721810449.XU CN201721810449U CN207673735U CN 207673735 U CN207673735 U CN 207673735U CN 201721810449 U CN201721810449 U CN 201721810449U CN 207673735 U CN207673735 U CN 207673735U
- Authority
- CN
- China
- Prior art keywords
- axle sleeve
- spindle nose
- needle roller
- pivoted arm
- universal joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of Universal joints, including main body, skeleton, spindle nose, axle sleeve, connecting plate, spindle nose and main body are linked together by connecting plate, skeleton is equipped with axle sleeve, spindle nose is consistent with axle sleeve shape, needle roller there are two being set between spindle nose and axle sleeve, one end of needle roller is equipped with oil sealing, dust cover is equipped on the outside of oil sealing, the other end of needle roller is equipped with pouring orifice, pouring orifice connects the oil nozzle being arranged on skeleton by oil duct, spindle nose is equipped with pivoted arm, pivoted arm is fixed on by central pin shaft on spindle nose, pivoted arm both sides are equipped with interior axis pin, axle sleeve is equipped with through-hole, pin passes through through-hole will be together with axle sleeve and domestic axis connection, the utility model structural principle is simple, good airproof performance, it can prevent dust from entering, and lubricity is high, reduce friction, improve universal joint overall performance, prolong the service life.
Description
Technical field
The utility model is related to mechanical fitting technical field, specially a kind of Universal joint.
Background technology
Universal joint, that is, universal joint is the parts realized varied angle power and transmitted, and changes transmission axis direction for needing
Position, it is " joint " component of the universal driving device of automobile driving system.Universal joint is combined with transmission shaft, and referred to as ten thousand
To section transmission device.Front engine rear wheel driving vehicle on, card gear be mounted on transmission output shaft with
Between main reducing gear of drive axle input shaft；And transmission shaft is omitted in the vehicle of front engine, front driving, universal joint is mounted on
Not only it had been responsible for driving but also had been responsible between the front axle half shaft and wheel that turn to.Universal joint is on torsional direction without the universal of apparent elasticity
Section.Nonconstant velocity universal joint, Near constant velocity universal joint, constant velocity cardan joint can be divided into.Cross shaft rigid universal joint is by universal-joint fork, ten
The parts compositions such as word axis, needle bearing, oil sealing, set letter, bearing cap.Operation principle is：One of rotation fork then passes through cross axle band
Another fork rotation is moved, while can in any direction be swung around spider center again.Rolling in rotation process in needle bearing
Needle can rotation, so as to mitigate friction.The axis being connect with input power claims input shaft（Also known as driving shaft）, the axis through universal joint output
Claim output shaft（Also known as driven shaft）.It working under conditions of having angle between input, output shaft, the angular speed of two axis differs, and
Therefore output shaft and the transmission parts being attached thereto can be caused to generate twisting vibration and influence the service life of these components.Market now
On universal joint, poor sealing is easy to be mixed into miscellaneous branch, and internal lubrication degree is inadequate, serious wear, and service life is short.
Utility model content
The purpose of this utility model is to provide a kind of Universal joints, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions：A kind of Universal joint, including main body, bone
Frame, spindle nose, axle sleeve, connecting plate, the main body and spindle nose are linked together by connecting plate, and the skeleton is equipped with axle sleeve, institute
It is consistent with the shape of axle sleeve to state spindle nose, the spindle nose is inserted into inside axle sleeve, and the first needle roller is equipped between the spindle nose and axle sleeve
With the second needle roller, first needle roller and the second needle roller are separately positioned on the upper side and lower side of spindle nose, are equipped in the middle part of the spindle nose
Pivoted arm, the pivoted arm are fixed on by central pin shaft on spindle nose, and the pivoted arm upper end is equipped with axis pin in first, the pivoted arm lower end
Equipped with axis pin in second, it is equipped with first through hole on the upside of the axle sleeve, is equipped with the second through-hole on the downside of the axle sleeve, described first is domestic
Axis is fixed on across first through hole on axle sleeve by the first pin, and axis pin passes through the second through-hole by the second pin in described second
It is fixed on axle sleeve.
Preferably, the left end of first needle roller is equipped with the first oil sealing, and the left end of second needle roller is equipped with the second oil sealing.
Preferably, it is equipped with the first dust cover on the outside of first oil sealing, the second dust cover is equipped on the outside of second oil sealing.
Preferably, it being set on the skeleton there are one oil nozzle, the right end of first needle roller is equipped with the first pouring orifice, and described the
The right end of two needle rollers is equipped with the second pouring orifice, and first pouring orifice connects oil nozzle, second pouring orifice by the first oil duct
Oil nozzle is connected by the second oil duct.
Compared with prior art, the utility model has the beneficial effects that：
（1）The utility model structural principle is simple, has preferable operation rigidity and smoothness, service life longer.
（2）The utility model is equipped with oil sealing in needle roller left end, can prevent lubricating oil from leaking outside.
（3）The utility model has installed dust cover additional, can effectively prevent dust, the impurity such as muddy water from entering universal joint, dirty
Contaminate internal work environment.
（4）The utility model feeds lubricating oil by oil duct using oil nozzle to needle roller, increases lubricity, reduces friction,
Extend service life.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：A kind of Universal joint, including main body 1, skeleton 2,
Spindle nose 3, axle sleeve 4, connecting plate 5, the main body 1 and spindle nose 3 are linked together by connecting plate 5, and the skeleton 2 is equipped with axle sleeve
4, the spindle nose 3 is consistent with the shape of axle sleeve 4, and the spindle nose 3 is inserted into inside axle sleeve 4, is set between the spindle nose 3 and axle sleeve 4
There are the first needle roller 8 and the second needle roller 9, first needle roller, 8 and second needle roller 9 to be separately positioned on the upper side and lower side of spindle nose 3, institute
It states 3 middle part of spindle nose and is equipped with pivoted arm 17, the pivoted arm 17 is fixed on by central pin shaft 10 on spindle nose 3, and 17 upper end of the pivoted arm is set
There are axis pin 11 in first, 17 lower end of the pivoted arm to be equipped with axis pin 12 in second, 4 upside of the axle sleeve is equipped with first through hole 23, institute
It states 4 downside of axle sleeve and is equipped with the second through-hole 24, axis pin 11 is fixed on by the first pin 15 across first through hole 23 in described first
On axle sleeve 4, axis pin 12 is fixed on across the second through-hole 24 on axle sleeve 4 by the second pin 16 in described second.
In the present embodiment, the left end of the first needle roller 8 is equipped with the first oil sealing 13, and the left end of second needle roller 9 is equipped with second
Oil sealing 14 effectively prevents lubricating oil leakage.
In the present embodiment, 13 outside of the first oil sealing is equipped with the first dust cover 6, and it is anti-that second oil sealing, 14 outside is equipped with second
Dust hood 7 can effectively prevent the impurity such as dust, muddy water from entering universal joint, pollute internal work environment.
In the present embodiment, being set on skeleton 2 there are one oil nozzle 20, the right end of first needle roller 8 is equipped with the first pouring orifice 18,
The right end of second needle roller 9 is equipped with the second pouring orifice 19, and first pouring orifice 18 connects oil nozzle 20 by the first oil duct 21,
Second pouring orifice 19 connects oil nozzle 20 by the second oil duct 22, and oil nozzle feeds lubricating oil to needle roller by oil duct, increases
Lubricity reduces friction, extends service life.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of Universal joint, including main body（1）, skeleton（2）, spindle nose（3）, axle sleeve（4）, connecting plate（5）, feature exists
In：The main body（1）And spindle nose（3）Pass through connecting plate（5）It links together, the skeleton（2）It is equipped with axle sleeve（4）, described
Spindle nose（3）And axle sleeve（4）Shape it is consistent, the spindle nose（3）It is inserted into axle sleeve（4）Inside, the spindle nose（3）And axle sleeve（4）
Between be equipped with the first needle roller（8）With the second needle roller（9）, first needle roller（8）With the second needle roller（9）It is separately positioned on spindle nose
（3）The upper side and lower side, the spindle nose（3）Middle part is equipped with pivoted arm（17）, the pivoted arm（17）Pass through central pin shaft（10）It is fixed
In spindle nose（3）On, the pivoted arm（17）Upper end is equipped with axis pin in first（11）, the pivoted arm（17）Lower end is equipped with axis pin in second
（12）, the axle sleeve（4）Upside is equipped with first through hole（23）, the axle sleeve（4）Downside is equipped with the second through-hole（24）, described first
Interior axis pin（11）Pass through the first pin（15）Across first through hole（23）It is fixed on axle sleeve（4）On, axis pin in described second（12）
Pass through the second pin（16）Across the second through-hole（24）It is fixed on axle sleeve（4）On.
2. a kind of Universal joint according to claim 1, it is characterised in that：First needle roller（8）Left end be equipped with
First oil sealing（13）, second needle roller（9）Left end be equipped with the second oil sealing（14）.
3. a kind of Universal joint according to claim 2, it is characterised in that：First oil sealing（13）Outside is equipped with the
One dust cover（6）, second oil sealing（14）Outside is equipped with the second dust cover（7）.
4. a kind of Universal joint according to claim 1, it is characterised in that：The skeleton（2）On set there are one oil nozzle
（20）, first needle roller（8）Right end be equipped with the first pouring orifice（18）, second needle roller（9）Right end be equipped with the second note
Hydraulic fluid port（19）, first pouring orifice（18）Pass through the first oil duct（21）Connect oil nozzle（20）, second pouring orifice（19）It is logical
Cross the second oil duct（22）Connect oil nozzle（20）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721810449.XU CN207673735U (en) | 2017-12-22 | 2017-12-22 | A kind of Universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721810449.XU CN207673735U (en) | 2017-12-22 | 2017-12-22 | A kind of Universal joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673735U true CN207673735U (en) | 2018-07-31 |
Family
ID=62969913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721810449.XU Expired - Fee Related CN207673735U (en) | 2017-12-22 | 2017-12-22 | A kind of Universal joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673735U (en) |
-
2017
- 2017-12-22 CN CN201721810449.XU patent/CN207673735U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 Termination date: 20181222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |