CN209262100U - A kind of candan universal joint - Google Patents
A kind of candan universal joint Download PDFInfo
- Publication number
- CN209262100U CN209262100U CN201822077260.5U CN201822077260U CN209262100U CN 209262100 U CN209262100 U CN 209262100U CN 201822077260 U CN201822077260 U CN 201822077260U CN 209262100 U CN209262100 U CN 209262100U
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- Prior art keywords
- sealing shroud
- wall
- squeezes
- item
- slot
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Abstract
The utility model relates to a kind of candan universal joints, including cross axis body, needle bearing is rotatably connected in connecting shaft, sealing mechanism is equipped between needle bearing end face and connecting shaft side wall, sealing mechanism includes the sealing shroud being slidably connected on connecting shaft outer wall, first be provided on sealing shroud outer wall squeezes slot, second be provided on sealing shroud inner wall squeezes slot, the two sides of sealing shroud are pushed against respectively on needle bearing side wall and axle center side wall, setting in this way, the first extruding slot is opened up in sealing shroud outer wall and the second extruding slot is opened up on sealing shroud inner wall, when sealing shroud is squeezed, sealing shroud outer wall is under the action of first squeezes slot and second squeezes slot, it is squeezed at toward sealing shroud axle center, sealing shroud is toward after squeezing at axle center, improve the contact area between sealing shroud side wall and needle bearing, to improve sealing shroud and rolling Leakproofness between needle bearing.
Description
Technical field
The utility model relates to the technical fields of universal joint, more particularly, to a kind of candan universal joint.
Background technique
Universal joint, that is, universal joint is the parts for realizing the transmitting of varied angle power, for needing to change transmission axis direction
Position, it is " joint " component of the universal driving device of automobile driving system.Universal joint is combined with transmission shaft, referred to as universal
Save transmission device.On the vehicle of front engine rear wheel driving, card gear is mounted on transmission output shaft and drives
Between dynamic bridge main reducing gear input shaft；And transmission shaft is omitted in the vehicle of front engine, front driving, universal joint is mounted on both
It is responsible for driving to be responsible for again between the front axle half shaft and wheel that turn to.
Existing universal joint in use, is equipped with needle bearing on universal joint, is added in needle bearing
Lubricating oil, the lubricating oil in needle bearing readily flow on cross axis body, and sealing is arranged between needle bearing and cross axis body
Circle, sealing ring is under the extruding of ball bearing, sealing ring outer wall outwardly convex, after sealing ring outwardly convex, reduces sealing ring
Contact area between the end face of needle bearing one end, reduces leakproofness.
Utility model content
The purpose of the utility model is to provide a kind of candan universal joints, have and improve between sealing shroud and needle bearing
Leakproofness effect.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of candan universal joint, including cross axis body, cross axis body include that axle center and four groups are fixedly connected on axle center
Connecting shaft is rotatably connected to needle bearing in the connecting shaft, is equipped between needle bearing end face and connecting shaft side wall close
Sealing mechanism, the sealing mechanism include the sealing shroud being slidably connected on connecting shaft outer wall, are provided with sealing shroud outer wall upper section
The second extruding slot that V-shaped first squeezes slot, is provided with sealing shroud inner wall upper section in arc-shaped, the two sides of the sealing shroud
It is pushed against on needle bearing side wall and axle center side wall respectively.
By using above-mentioned technical proposal, by being arranged with a sealing shroud in connecting shaft, opened up on sealing shroud inner wall
Section squeezes slot in the second of arc-shaped, and first that the V-shaped setting in section is offered on sealing shroud outer wall squeezes slot, sealing shroud
Two sides be pushed against between needle bearing and one end of the connecting shaft outer wall respectively, setting in this way is opened up in sealing shroud outer wall
First squeezes slot and opens up the second extruding slot on sealing shroud inner wall, and when sealing shroud is squeezed, sealing shroud outer wall is first
Squeeze slot and second squeeze slot under the action of, squeezed toward at sealing shroud axle center, sealing shroud improves sealing shroud toward after squeezing at axle center
Contact area between side wall and needle bearing, to improve the leakproofness between sealing shroud and needle bearing.
The utility model is further arranged to: the first extruding item, institute have been respectively fixedly connected on the side wall of sealing shroud two sides
The first extruding item is stated towards inclination at sealing shroud outer wall, described first squeezes an outer wall and sealing shroud outer wall is arranged in smooth.
By using above-mentioned technical proposal, by being respectively fixedly connected with the first extruding item on the side wall of sealing shroud two sides,
First squeezes item towards inclination at sealing shroud outer wall, and the first extruding item is pushed against on the end face of needle bearing one end respectively and connecting shaft
On the outer wall of one end, setting in this way further improves the leakproofness between sealing shroud and one end end face of needle bearing.
The utility model is further arranged to: being fixedly connected with second on the one end of sealing shroud side wall far from the first extruding item
Item is squeezed, described second, which squeezes item, squeezes item inclination backwards to first.
By using above-mentioned technical proposal, second is fixedly connected on one end far from the first extruding item on sealing shroud side wall
Item is squeezed, second, which squeezes item, squeezes item inclination backwards to first, and setting in this way further improves needle bearing one end end
Leakproofness between face and sealing shroud.
The utility model is further arranged to: described first, which squeezes item and second, squeezes the one end of item far from sealing shroud in circle
Sliding setting.
By using above-mentioned technical proposal, the one end of item far from sealing shroud is squeezed in circle by squeezing item and second for first
Sliding setting, setting in this way, structure is simple, easy to operate, improve needle bearing one end end face with first squeeze item and
Second squeezes the abutting stability between item.
The utility model is further arranged to: described first, which squeezes item and second, squeezes formation third extruding slot between item,
The third squeezes the V-shaped setting of slot cross-section.
By using above-mentioned technical proposal, formation third extruding slot between item is squeezed by squeezing item and second first,
Third squeezes the V-shaped setting of slot cross-section, and the angle that third squeezes slot cross-section is obtuse angle, and setting in this way facilitates needle roller
Bearing respectively drives the first extruding item and second and squeezes item toward the extruding of the interior outside of sealing shroud.
The utility model is further arranged to: one end of the separate sealing shroud of the first extruding item to sealing shroud outer wall
Distance is greater than the second extruding one end of item far from sealing shroud to the distance of sealing shroud outer wall.
By using above-mentioned technical proposal, by squeezing the one end of item far from sealing shroud to sealing shroud outer wall outer wall for first
Distance be greater than second squeeze the one end of item far from sealing shroud to sealing shroud outer wall distance.Setting in this way, increases
First squeezes the length of item, when sealing shroud is squeezed, improves the contact between needle bearing one end and the first extruding item
Area improves the leakproofness between ball bearing and the first extruding item.
The utility model is further arranged to: a card slot is offered in the second extruding groove bottom, in the connection
Axis outer wall is fixedly connected with a snap ring, and the snap ring is connected in card slot.
It is solid on connecting shaft outer wall by opening up card slot in the second extruding groove bottom by using above-mentioned technical proposal
Surely a snap ring is connected, snap ring is circumferentially arranged along connecting shaft outer wall, and card slot is circumferentially opened up along sealing shroud outer wall, by by snap ring
It is connected in card slot, improving the white silk grade between sealing shroud and connecting shaft is stability.
In conclusion the advantageous effects of the utility model are as follows: improve connecing between sealing shroud side wall and needle bearing
Contacting surface product, to improve the leakproofness between sealing shroud and needle bearing；Improve the white silk grade between sealing shroud and connecting shaft
For stability；Improve the abutting stability between needle bearing one end end face and the first extruding item and the second extruding item.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment；
Fig. 2 is the overall structure cross-sectional view of embodiment；
Fig. 3 is enlarged drawing at A in Fig. 2.
Appended drawing reference: 1, cross axis body；2, axle center；3, connecting shaft；4, needle bearing；5, sealing mechanism；6, sealing shroud；7,
First squeezes slot；8, second slot is squeezed；9, first item is squeezed；10, second item is squeezed；11, third squeezes slot；12, card slot；13,
Snap ring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, being a kind of candan universal joint disclosed by the utility model, including cross axis body 1, cross axis body 1 is wrapped
Axle center 2 and connecting shaft 3 are included, four groups of connecting shafts 3 are uniformly fixedly connected on 2 outer wall of axle center, and four groups of connecting shafts 3 are evenly spaced
It is fixed on 2 outer wall of axle center, a needle bearing 4 is rotatably connected on one end outer wall of the connecting shaft 3 far from axle center 2.
As shown in Figure 2 and Figure 3, on 3 one end outer wall of 4 one end end face of needle bearing and connecting shaft between be equipped with a sealer
Structure 5(such as Fig. 1), sealing mechanism 5(such as Fig. 1) it include that sealing shroud 6, first squeezes the extruding slot 8 of slot 7, second, the sliding of sealing shroud 6 connects
It connects on 3 outer wall of connecting shaft, the two sides side wall of sealing shroud 6 is pushed against 4 one end end face of needle bearing and 3 one end of connecting shaft respectively
On wall, the first extruding slot 7 is provided on 6 outer wall of sealing shroud, and the first extruding slot 7 is circumferentially opened up along 6 outer wall of sealing shroud；Second squeezes
Indent 8 is provided on 6 inner wall of sealing shroud, and the second extruding slot 8 is circumferentially opened up along 6 inner wall of sealing shroud.
As shown in Figure 2 and Figure 3, the first extruding item 9 is fixedly connected on 6 two sides side wall of sealing shroud, first squeezes item 9
6 side wall of sealing shroud is fixedly connected on the side of 6 outer wall of sealing shroud, first squeezes an inclination of item 9 toward 6 outer wall of sealing shroud
Tiltedly, squeeze item 9 by being provided with first, when sealing shroud 6 is squeezed, the first extruding item 9 be squeezed after toward outside sealing shroud 6
Wall inclination, improves the contact area between 4 one end end face of sealing shroud 6 and needle bearing, improves sealing shroud 6 and needle bearing
Leakproofness between 4 one end end face.
As shown in Figure 2 and Figure 3, the second extruding item is fixedly connected on the side of 6 inner wall of sealing shroud in 6 side wall of sealing shroud
10, second squeezes item 10 tilts towards the side of 6 inner wall of sealing shroud, after the second extruding item 10 is squeezed, towards in sealing shroud 6
The inclination of wall side, is arranged in this way, after the second extruding item 10 is squeezed, improves 4 one end end face of needle bearing and sealing
Cover the contact area between 6 side walls.
As shown in Figure 2 and Figure 3, it is squeezed between the extruding item 10 of item 9, second to improve 4 one end end face of needle bearing and first
Contact area, first squeeze item 9 and second squeeze one end old round and smooth setting of the item 10 far from sealing shroud 6.
As shown in Figure 2 and Figure 3, first formation third extruding slot 11, third extruding between item 9 and the second extruding item 10 are squeezed
The V-shaped setting in 11 section of slot, the angle that third squeezes the section of slot 11 are set as obtuse angle, by setting third extruding slot 11 to
Obtuse angle facilitates the first extruding item 9 and tilts toward 6 outer wall side of sealing shroud, facilitates the second extruding item 10 towards 6 inner wall one of sealing shroud
It rolls oblique.
As shown in Figure 2 and Figure 3, by setting the distance of the first the extruding one end of item 9 far from sealing shroud 6 to 6 outer wall of sealing shroud
The ratio second set squeezes the one end of item 10 far from sealing shroud 6 to the big of 6 outer wall of sealing shroud, improves 4 one end end face of needle bearing
Contact area between sealing shroud 6 improves the leakproofness between needle bearing 4 and sealing shroud 6.
As shown in Figure 2 and Figure 3, in order to improve the connective stability between 3 outer wall of sealing shroud 6 and connecting shaft, in connecting shaft 3
A snap ring 13 is fixedly connected on one end outer wall in axle center 2, snap ring 13 is circumferentially arranged along 3 outer wall of connecting shaft, squeezes second
Card slot 12 is opened up on 8 bottom surface of indent, card slot 12 is circumferentially opened up along the second extruding 8 bottom surface of slot, and snap ring 13 is connected in card slot 12.
The implementation principle of the present embodiment are as follows: the card slot 12 on sealing shroud 6 is located at the snap ring 13 on 3 outer wall of connecting shaft
On；
4 one end end face of needle bearing is pushed against on the first extruding item 9, under the driving of 4 one end end face of needle bearing, first
It squeezes item 9 and the second extruding item 10 pushes against between 3 one end outer wall of 4 one end end face of needle bearing and connecting shaft respectively.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (7)
1. a kind of candan universal joint, including cross axis body (1), it is characterised in that: cross axis body (1) includes axle center (2) and four groups
The connecting shaft (3) being fixedly connected on axle center (2), is rotatably connected to needle bearing (4), in needle roller on the connecting shaft (3)
Sealing mechanism (5) are equipped between bearing (4) end face and connecting shaft (3) side wall, the sealing mechanism (5) includes the company of being slidably connected at
Sealing shroud (6) on spindle (3) outer wall is provided with that sealing shroud (6) outer wall upper section is V-shaped first to be squeezed slot (7), be provided with
Sealing shroud (6) inner wall upper section squeezes slot (8) in the second of arc-shaped, and the two sides of the sealing shroud (6) are pushed against needle roller respectively
On bearing (4) side wall and axle center (2) side wall.
2. a kind of candan universal joint according to claim 1, it is characterised in that: on the side wall of sealing shroud (6) two sides respectively
It is fixedly connected with the first extruding item (9), described first squeezes item (9) squeezes towards inclination at sealing shroud (6) outer wall, described first
Item (9) outer wall and sealing shroud (6) outer wall are in smooth setting.
3. a kind of candan universal joint according to claim 2, it is characterised in that: squeezed in sealing shroud (6) side wall far from first
The second extruding item (10) is fixedly connected on one end of press strip (9), described second squeezes item (10) inclines backwards to the first extruding item (9)
Tiltedly.
4. a kind of candan universal joint according to claim 3, it is characterised in that: described first, which squeezes item (9) and second, squeezes
The one end of press strip (10) far from sealing shroud (6) is in round and smooth setting.
5. a kind of candan universal joint according to claim 2, it is characterised in that: described first, which squeezes item (9) and second, squeezes
Third is formed between press strip (10) and squeezes slot (11), and the third squeezes the V-shaped setting in slot (11) section.
6. a kind of candan universal joint according to claim 5, it is characterised in that: described first squeezes the separate close of item (9)
The distance of one end of big envelope (6) to sealing shroud (6) outer wall is greater than second and squeezes the one end of item (10) far from sealing shroud (6) to sealing
Cover the distance of (6) outer wall.
7. a kind of candan universal joint according to claim 1, it is characterised in that: squeezed on slot (8) bottom surface described second
A card slot (12) are offered, outer wall is fixedly connected with a snap ring (13) in the connecting shaft (3), and the snap ring (13) is connected to card
In slot (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822077260.5U CN209262100U (en) | 2018-12-11 | 2018-12-11 | A kind of candan universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822077260.5U CN209262100U (en) | 2018-12-11 | 2018-12-11 | A kind of candan universal joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209262100U true CN209262100U (en) | 2019-08-16 |
Family
ID=67563047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822077260.5U Expired - Fee Related CN209262100U (en) | 2018-12-11 | 2018-12-11 | A kind of candan universal joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209262100U (en) |
-
2018
- 2018-12-11 CN CN201822077260.5U patent/CN209262100U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 Termination date: 20191211 |