CN201547150U - Universal joint assembly - Google Patents
Universal joint assembly Download PDFInfo
- Publication number
- CN201547150U CN201547150U CN2009202363396U CN200920236339U CN201547150U CN 201547150 U CN201547150 U CN 201547150U CN 2009202363396 U CN2009202363396 U CN 2009202363396U CN 200920236339 U CN200920236339 U CN 200920236339U CN 201547150 U CN201547150 U CN 201547150U
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- China
- Prior art keywords
- universal
- universal joint
- hub portion
- joint assembly
- utility
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Abstract
The utility model discloses a universal joint assembly, which comprises a pair of universal joint forks (1) and a cross shaft (2), wherein the internal portion of a hub portion (3) of each universal node fork (1) is provided with a round hole (9) and a key groove (4), a locking hole (5) is arranged outside the hub portion (3), and convex locking openings (6) are arranged on one sides of lateral arms (10) of the two universal joint forks (1). By adopting the technical scheme, the universal joint assembly enables the hub portion to be connected with a drive shaft of one universal joint fork by the key groove, avoids some shortcomings caused by connection of a spline, reduces cost, enables a concentric hole of the universal joint fork to be connected with a shaft sleeve of a cross shaft, enables rotation to be more flexible and abrasion to be reduced, and prolongs the service span of a universal joint.
Description
Technical field
The utility model belongs to the technical field of universal drive shaft device, and more particularly, the utility model relates to a kind of universal joint assembly.
Background technique
The hub portion of universal-joint fork adopts spline to be connected with transmission shaft at present, and spline and spline joint can be gapped; Spline processing technology complexity, the cost height; And in machinery and on the vehicle especially on the load-carrying vehicle, the frequent positive and negative rotation operation of transmission shaft makes the gap of spline and spline joint easily produce under the effect of unexpected positive and negative torsion and weares and teares.Moreover the concentric hole of universal-joint fork is connected with four axle sleeves of cross axle, can wear and tear under the effect of frequent relative movement, reduces and rotates flexibility, has shortened the working life of universal joint.
The model utility content
Problem to be solved in the utility model provides a kind of universal joint assembly, its objective is that the hub portion that adopts keyway to be provided with universal-joint fork is connected with transmission shaft.Like this, processing technology is simple, and cost reduces, and rotates flexibly, has prolonged the working life of universal joint.
To achieve these goals, the technological scheme taked of the utility model is:
This universal joint assembly provided by the utility model comprises a pair of universal-joint fork and cross axle, and side arm one side of described two universal-joint forks is equipped with convex shape lock opening (6).The inside of universal-joint fork hub portion is circular hole, and is provided with a keyway.
For making the utility model more perfect, more detailed and concrete technological scheme below also further having proposed, to obtain best practical effect, realize goal of the invention better, and improve novelty of the present utility model and creativeness:
Side arm one side of described two universal-joint forks is equipped with the convex shape lock opening.
The circular hole surface of described hub portion forms through fine finishing, and its end is provided with chamfering.
Described keyway is a Woodruff key slots and keyways, and the one end is semicircle, and the other end prolongs hub portion axial direction to circular hole end face chamfering place.
Described convex shape lock opening is positioned on the same line of keyway, the other end of circular hole.
Described keyway is positioned at the ipsilateral of universal-joint fork side arm.
Described locking hole is a through hole.
The utility model adopts technique scheme, adopts side arm one side of universal-joint fork to be provided with the hub portion that convex shape lock opening, keyway be provided with universal-joint fork and is connected with transmission shaft, and some drawbacks of having avoided the spline connection to bring make the cost reduction; Also played and rotated flexibly, reduced wearing and tearing, the effect that has prolonged the working life of universal joint.
Description of drawings
Below expressed content of the accompanying drawing of this specification and the mark among the figure are made brief description:
Fig. 1 is a main TV structure schematic representation of the present utility model,
Fig. 2 is a left TV structure schematic representation of the present utility model.
Be labeled as among the figure:
1, universal-joint fork, 2, cross axle, 3, hub portion, 4, keyway, 5, locking hole, 6, the convex shape lock opening, 7, concentric hole,, 8, circular hole, 9, side arm.
Embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and working principle, the manufacturing process of the mutual alignment between the shape of embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present invention, technological scheme had more complete, accurate and deep understanding to help those skilled in the art.
As the structure of the present utility model of Fig. 1 and Fig. 2 expression, be a kind of universal joint assembly, comprise a pair of universal-joint fork 1 and cross axle 2.
In order to solve the problem that exists at the described present known technology of this specification background technique part and to overcome its defective, realize that the hub portion that adopts keyway to be provided with universal-joint fork is connected with transmission shaft; Side arm one side of universal-joint fork is equipped with the convex shape lock opening, and such structure has played the purpose of model utility.The technological scheme that the utility model is taked is:
This universal joint assembly provided by the utility model, the inside of described universal-joint fork 1 hub portion 3 is circular hole 9, and is provided with keyway 4; Hub portion 3 outsides are provided with locking hole 5; Side arm 10 1 sides of described two universal-joint forks (1) are equipped with convex shape lock opening 6.
The above-mentioned universal joint assembly that the utility model provides, its universal-joint fork 1 form through casting, utilize machining center to process keyway 4 on the circular hole 9 of hub portion 3, and the fine finishing circular hole 9 then, so just changed common spline Placement; Side arm one side that processes 5, two universal-joint forks of locking hole on the convex of hub portion 3 is equipped with the convex shape lock opening; After utilize woodruff key that transmission shaft and circular hole 9 are coupled together, utilize screw that locking hole is locked again, play the effect of dual fail-safe, guaranteed transmission shaft axially and radially fixing in circular hole 9; Axle sleeve junction surface at concentric hole 7 and cross axle is provided with needle roller, makes that the motion between both relatively is more flexible, has reduced friction, has prolonged the working life of universal joint assembly.
Be the concrete exemplifying embodiment that the utility model provides below, for those skilled in the art's reference and selecting for use when implementing the utility model:
Embodiment one:
The setting of convex shape lock opening 6 has made things convenient for the installation of transmission shaft, has guaranteed that also transmission shaft is connected with the tight of circular hole 9.Prolong the axial direction setting of hub portion 3, made things convenient for processing, when screw is locked, stressed even.
Embodiment two:
The surface of circular hole 9 is through fine finishing, and itself and transmission shaft adopt transition fit, have reduced friction between the two; The end is provided with chamfering, and being connected of convenient like this and transmission shaft also played safety effect, scuffing hand when preventing to assemble.
Embodiment three:
Keyway 4 described in the utility model is a Woodruff key slots and keyways, and the one end is semicircle, and the other end prolongs hub portion 3 axial directions to circular hole 9 end face chamfering places.
The employing woodruff key connects, and easy to assembly, key and groove are not easy to wear, cooperates closely; Its keyway 4 extends to the chamfering place, and is easy to process simple; Assemble faster.
Embodiment four:
Convex shape lock opening 6 described in the utility model is positioned on the same line of keyway 4, the other end of circular hole 8.
The setting of lock opening 6 made things convenient for the installation of transmission shaft, also guaranteed transmission shaft and circular hole 9 closely be connected, the rationality of structure.
Embodiment five:
Keyway 4 described in the utility model is positioned at the ipsilateral of universal-joint fork 1 side arm 9.
Such setting has guaranteed the intensity of hub portion 3, and it is stressed more reasonable to make.
Embodiment six:
Locking hole 5 described in the utility model is a through hole.
With screw and nut locking hole 5 is locked, guaranteed transmission shaft and circular hole 9 more stable being connected, make the wearing and tearing between transmission shaft and circular hole 9 and the woodruff key after preventing to become flexible.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technological scheme carry out; or design of the present utility model and technological scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.
Claims (7)
1. a universal joint assembly comprises a pair of universal-joint fork (1) and cross axle (2), and it is characterized in that: the inside of described universal-joint fork (1) hub portion (3) is circular hole (9), and is provided with keyway (4); Hub portion (3) outside is provided with locking hole (5); Side arm (10) one sides of two universal-joint forks (1) are equipped with convex shape lock opening (6).
2. according to the described a kind of universal joint assembly of claim 1, it is characterized in that: side arm (10) one sides of described two universal-joint forks (1) are equipped with convex shape lock opening (6).
3. according to the described a kind of universal joint assembly of claim 1, it is characterized in that: circular hole (9) surface of described hub portion (3) forms through fine finishing, and its end is provided with chamfering.
4. according to the described a kind of universal joint assembly of claim 1, it is characterized in that: described keyway (4) is a Woodruff key slots and keyways, and the one end is semicircle, and the other end prolongs hub portion (3) axial direction to circular hole (9) end face chamfering place.
5. according to the described a kind of universal joint assembly of claim 1, it is characterized in that: described convex shape lock opening (6) is positioned on the same line of keyway (4), the other end of circular hole.
6. according to the described a kind of universal joint assembly of claim 1, it is characterized in that: described keyway (4) is positioned at the ipsilateral of universal-joint fork (1) side arm (10).
7. according to the described a kind of universal joint assembly of claim 1, it is characterized in that: described locking hole (5) is a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202363396U CN201547150U (en) | 2009-09-28 | 2009-09-28 | Universal joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202363396U CN201547150U (en) | 2009-09-28 | 2009-09-28 | Universal joint assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201547150U true CN201547150U (en) | 2010-08-11 |
Family
ID=42602323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202363396U Expired - Fee Related CN201547150U (en) | 2009-09-28 | 2009-09-28 | Universal joint assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201547150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103249958A (en) * | 2011-11-24 | 2013-08-14 | 日本精工株式会社 | Cruciform-shaft universal joint and method for producing same |
-
2009
- 2009-09-28 CN CN2009202363396U patent/CN201547150U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103249958A (en) * | 2011-11-24 | 2013-08-14 | 日本精工株式会社 | Cruciform-shaft universal joint and method for producing same |
| CN103249958B (en) * | 2011-11-24 | 2015-09-16 | 日本精工株式会社 | Cardan universal joint and manufacture method thereof |
| CN105065483A (en) * | 2011-11-24 | 2015-11-18 | 日本精工株式会社 | Cruciform-shaft universal joint and method for producing same |
| CN105257722A (en) * | 2011-11-24 | 2016-01-20 | 日本精工株式会社 | Cross universal joint and manufacturing method thereof |
| CN105257722B (en) * | 2011-11-24 | 2018-03-30 | 日本精工株式会社 | Cardan (hookes)universal joint and its manufacture method |
| CN105065483B (en) * | 2011-11-24 | 2018-05-01 | 日本精工株式会社 | Cardan (hookes)universal joint and its manufacture method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20100928 |