CN209146169U - A kind of Hooke's joint - Google Patents
A kind of Hooke's joint Download PDFInfo
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- CN209146169U CN209146169U CN201822006309.8U CN201822006309U CN209146169U CN 209146169 U CN209146169 U CN 209146169U CN 201822006309 U CN201822006309 U CN 201822006309U CN 209146169 U CN209146169 U CN 209146169U
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- pin shaft
- groove
- oil
- hooke
- needle roller
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Abstract
The utility model provides a kind of Hooke's joint, belongs to field of mechanical technique.It solves the problems such as existing cross-axle universal shaft festival-gathering aggravates the fretting wear at needle roller.This Hooke's joint, including ontology, there are four pin shafts for tool on ontology, bearing holder (housing, cover) is set on each pin shaft, bearing holder (housing, cover) includes tubular body and by the closed base portion in body outer end, needle roller is provided between the medial surface of body and the lateral surface of pin shaft, the outer end face of pin shaft is resisted against on base portion, oil seal washer is provided between the inner end and pin shaft of body, fuel feed hole is provided on ontology, the oil outlet being connected to fuel feed hole is provided on each pin shaft, the outlet of oil outlet is arranged on the outer end face of pin shaft, oil groove is provided on the outer end face of pin shaft, oil groove is through the lateral surface of pin shaft and the wall surface of the hole of oil outlet.This Hooke's joint can reduce the fretting wear at needle roller.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of Hooke's 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 includes nonconstant velocity universal joint, standard etc.
Fast universal joint and constant velocity cardan joint etc., Hooke's joint are exactly a kind of nonconstant velocity universal joint.
Chinese patent literature data, which discloses, proposes a kind of cross axle [application number: CN201720036889.8；Notification number:
206377134U], including cross shaft body, it is total there are four pin shaft, on each pin shaft to be arranged with bearing for setting in cross shaft body
Include oil seal washer and bearing holder (housing, cover) at, bearing assembly, be provided between each pin shaft and bearing holder (housing, cover) needle roller, the surface of needle roller and pin shaft and
Bearing holder (housing, cover) mutually contradicts, and is additionally provided with oil nozzle in cross shaft body.Oil seal washer includes first connecting portion, the made of successively bending
Two interconnecting pieces and third interconnecting piece, the first connecting portion, second connecting portion and third interconnecting piece successively bend be formed with it is U-shaped
The end face of seal chamber, the first connecting portion towards third interconnecting piece is provided with seal convexity.Bearing holder (housing, cover) includes base portion and convergence part,
The front end of convergence part is located in seal chamber, and the end face of convergence part towards first connecting portion is provided with the sealing with seal convexity cooperation
Groove, sealed groove are adapted with seal convexity, the arc-shaped face of the contact surface of seal convexity and sealed groove.
Oil circuit is provided in cross shaft body, one end of oil circuit is connect with oil nozzle, and pin shaft is arranged in the other end of oil circuit
On end face, lubricant grease is conveyed into bearing holder (housing, cover) by oil nozzle, so that needle roller be made to be lubricated.But the end face of pin shaft is resisted against
On the base portion of bearing holder (housing, cover), lubricant grease can be made to enter at needle roller when the base portion of only bearing holder (housing, cover) is separated with pin shaft,
If the base portion of bearing axle sleeve is not separated with pin shaft, the lubrication at needle roller will be cannot be guaranteed, and aggravate the friction at needle roller
Abrasion.
Summary of the invention
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, to propose a kind of Hooke's joint,
The technical issues of solution is the fretting wear how reduced at needle roller.
The purpose of this utility model can be realized by the following technical scheme:
A kind of Hooke's joint, including ontology, tool is set with axis on each pin shaft there are four pin shaft on the ontology
Bearing sleeve, the bearing holder (housing, cover) include tubular body and by the closed base portion in body outer end, the medial surface and pin of the body
Needle roller is provided between the lateral surface of axis, the outer end face of the pin shaft is resisted against on base portion, the inner end of the body and pin shaft it
Between be provided with oil seal washer, fuel feed hole is provided on the ontology, the oil outlet being connected to fuel feed hole is provided on each pin shaft,
The outlet of the oil outlet is arranged on the outer end face of pin shaft, which is characterized in that it is provided with oil groove on the outer end face of the pin shaft,
The oil groove is through the lateral surface of pin shaft and the wall surface of the hole of oil outlet.
Oil groove is set in the outer end face of pin shaft, and oil groove is through the lateral surface of pin shaft and the wall surface of the hole of oil outlet, it is logical in this way
It crosses oil groove and is connected to oil outlet with the lateral surface of pin shaft.Lubricant grease, which enters from fuel feed hole from the outlet of oil outlet, to be exported, then
It is entered between the lateral surface of pin shaft and the medial surface of body, that is, is transported at needle roller by oil groove.The conveying of lubricant grease is logical
Road is connected to always, so that needle roller be enable adequately to be lubricated incessantly, reduces the fretting wear at needle roller.
In above-mentioned Hooke's joint, the oil groove has multiple and is uniformly distributed around oil outlet.It can make in this way
Needle roller obtains lubrication more evenly, reduces the fretting wear at needle roller.
In above-mentioned Hooke's joint, fluted, the groove and oil outlet are set on the inner face of the base portion
It is oppositely arranged, annular groove is additionally provided on the inner face of the base portion, the annular groove is located on the outside of groove, the end of the needle roller
Portion is located in annular groove.The lubricant grease conveyed from oil outlet can store in groove and annular groove, can make at needle roller
Lubricant grease is constantly supplemented, and is transported to lubricant grease more fully at needle roller and is lubricated to needle roller, and needle roller is reduced
The fretting wear at place.
In above-mentioned Hooke's joint, the logical of communication groove and annular groove is additionally provided on the inner face of the base portion
Slot.Through slot is connected to groove with annular groove, makes preferably to exchange lubricant grease between groove and annular groove, is conducive to lubricant grease
Adding at needle roller lubricates needle roller adequately, to reduce the fretting wear at needle roller.
In above-mentioned Hooke's joint, carburizing is provided on the lateral surface of the pin shaft and the medial surface of body and is quenched
Fire bed, the surface of two carburizing and quenching layers are grinding surface.
Carburizing and quenching layer is set on the lateral surface of pin shaft and the medial surface of body, pin shaft lateral surface and body can be improved
The surface hardness of medial surface, and the surface of carburizing and quenching layer is grinding surface, can reduce rough surface after the grinding of high rigidity surface
Degree, to reduce the fretting wear at needle roller.
Compared with prior art, the utility model has the advantage that
Oil groove is set on the outer end face of pin shaft, and oil groove is through the lateral surface of pin shaft and the wall surface of the hole of oil outlet, to make
Lubricant grease can lubrication quill incessantly, reduce the fretting wear at needle roller.Groove is set and annular groove stores lubricating oil
Rouge, and the end of needle roller is located in arc groove, be further ensured that lubricant grease can lubrication quill incessantly, reduce at needle roller
Fretting wear.Setting through slot communication groove and annular groove, lubricant grease are preferably stored and are exchanged, and are further ensured that profit
Lubricating oil rouge can lubrication quill incessantly, reduce the fretting wear at needle roller.Carburizing and quenching layer and grinding surface are set, table is improved
Surface hardness simultaneously reduces surface roughness, to reduce the fretting wear at needle roller.
Detailed description of the invention
Fig. 1 is the cross-sectional view of this Hooke's joint；
Fig. 2 is the cross-sectional view in this Hooke's joint at ontology oil outlet；
Fig. 3 is the cross-sectional view of this Hooke's joint centre bearer bush.
In figure, 1, ontology；1a, pin shaft；1a1, oil groove；1b, fuel feed hole；1c, oil outlet；2, bearing holder (housing, cover)；2a, body；2b,
Base portion；2b1, groove；2b2, annular groove；2b3, through slot；3, needle roller；4, oil seal washer；5, carburizing and quenching layer.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment one
As shown in Figure 1-Figure 3, a kind of Hooke's joint, including ontology 1, there are four pin shaft 1a, Mei Gexiao for tool on ontology 1
Bearing holder (housing, cover) 2 is set on axis 1a.Bearing holder (housing, cover) 2 includes tubular body 2a and by the closed base portion 2b in the outer end body 2a,
Needle roller 3 is provided between the medial surface of body 2a and the lateral surface of pin shaft 1a.Needle roller 3 has multiple and successively arranges around pin shaft 1a
Column.Carburizing and quenching layer 5, the surface of two carburizing and quenching layers 5 are provided on the lateral surface of pin shaft 1a and the medial surface of body 2a
It is grinding surface.Carburizing and quenching layer 5 is obtained by carburizing quenching process, and grinding surface is obtained by grinding.Body 2a's is interior
It is provided with oil seal washer 4 between end and pin shaft 1a, the outer of oil seal washer 4 is fixed on body 2a, and the interior edge of oil seal washer 4 is fixed on pin
On axis 1a.
It is provided with fuel feed hole 1b on ontology 1, oil nozzle is installed at fuel feed hole 1b.It is provided on each pin shaft 1a and fuel feed hole
The oil outlet 1c of 1b connection, the outlet of oil outlet 1c is arranged on the outer end face of pin shaft 1a.The outer end face of pin shaft 1a is resisted against base
On portion 2b, oil groove 1a1 is provided on the outer end face of pin shaft 1a, oil groove 1a1 is through the lateral surface of pin shaft 1a and the hole of oil outlet 1c
Wall surface.Oil groove 1a1 has multiple and is uniformly distributed around oil outlet 1c, general setting two, three or four.Base portion 2b's is interior
Fluted 2b1 is set on end face, and groove 2b1 is oppositely arranged with oil outlet 1c.Annular groove is additionally provided on the inner face of base portion 2b
2b2, annular groove 2b2 are located on the outside of groove 2b1 and are arranged around groove 2b1, and the end of needle roller 3 is located in annular groove 2b2.Base portion
It is additionally provided with the through slot 2b3 of communication groove 2b1 and annular groove 2b2 on the inner face of 2b, through slot 2b3 has multiple and around groove
2b1 is uniformly distributed, general setting two, three or four.
Oil outlet 1c is connected to the lateral surface of pin shaft 1a by oil groove 1a1.Lubricant grease enters from fuel feed hole 1b from out
The outlet of oilhole 1c exports, and the lateral surface of pin shaft 1a and the medial surface of body 2a are then entered by oil groove 1a1 and through slot 2b3
Between, that is, it is transported at needle roller 3.The transfer passage of lubricant grease is connected to always, so that needle roller 3 be enable to be filled incessantly
The lubrication divided reduces the fretting wear at needle roller 3.Groove 2b1, annular groove 2b2 and through slot 2b3 are set, keep lubricant grease more preferable
Ground is stored and is supplemented, be further ensured that lubricant grease can lubrication quill 3 incessantly, reduce the friction mill at needle roller 3
Damage.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (5)
1. a kind of Hooke's joint, including ontology (1), there are four pin shaft (1a), each pin shafts (1a) for tool on the ontology (1)
On be set with bearing holder (housing, cover) (2), the bearing holder (housing, cover) (2) includes tubular body (2a) and the outer end body (2a) is closed
Base portion (2b) is provided with needle roller (3) between the medial surface of the body (2a) and the lateral surface of pin shaft (1a), the pin shaft (1a)
Outer end face be resisted against on base portion (2b), be provided with oil seal washer (4) between the inner end and pin shaft (1a) of the body (2a), it is described
It is provided on ontology (1) fuel feed hole (1b), the oil outlet (1c) being connected to fuel feed hole (1b) is provided on each pin shaft (1a),
The outlet of the oil outlet (1c) is arranged on the outer end face of pin shaft (1a), which is characterized in that the outer end face of the pin shaft (1a)
On be provided with oil groove (1a1), the oil groove (1a1) through pin shaft (1a) lateral surface and oil outlet (1c) wall surface of the hole.
2. Hooke's joint according to claim 1, which is characterized in that the oil groove (1a1) have it is multiple and around go out
Oilhole (1c) is uniformly distributed.
3. Hooke's joint according to claim 1, which is characterized in that be provided on the inner face of the base portion (2b)
Groove (2b1), the groove (2b1) are oppositely arranged with oil outlet (1c), are additionally provided with ring on the inner face of the base portion (2b)
Shape slot (2b2), the annular groove (2b2) are located on the outside of groove (2b1), and the end of the needle roller (3) is located at annular groove (2b2)
It is interior.
4. Hooke's joint according to claim 3, which is characterized in that also set up on the inner face of the base portion (2b)
There is the through slot (2b3) of communication groove (2b1) and annular groove (2b2).
5. Hooke's joint according to claim 1 to 4, which is characterized in that the lateral surface of the pin shaft (1a) and
It is provided on the medial surface of body (2a) carburizing and quenching layer (5), the surface of two carburizing and quenching layers (5) is grinding surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006309.8U CN209146169U (en) | 2018-11-30 | 2018-11-30 | A kind of Hooke's joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006309.8U CN209146169U (en) | 2018-11-30 | 2018-11-30 | A kind of Hooke's joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209146169U true CN209146169U (en) | 2019-07-23 |
Family
ID=67288539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822006309.8U Active CN209146169U (en) | 2018-11-30 | 2018-11-30 | A kind of Hooke's joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209146169U (en) |
-
2018
- 2018-11-30 CN CN201822006309.8U patent/CN209146169U/en active Active
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