CN207864561U - A kind of planet wheel shaft structure - Google Patents
A kind of planet wheel shaft structure Download PDFInfo
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- CN207864561U CN207864561U CN201721033058.1U CN201721033058U CN207864561U CN 207864561 U CN207864561 U CN 207864561U CN 201721033058 U CN201721033058 U CN 201721033058U CN 207864561 U CN207864561 U CN 207864561U
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- oil guide
- sleeve body
- outer sleeve
- guide groove
- wall
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Abstract
A kind of planet wheel shaft structure, including outer sleeve body, Oil Guide groove and threaded hole；Planet wheel shaft structure is collectively constituted by outer sleeve body and inner cylinder；Therefore the input end in Oil Guide channel will be fully sealed in the rubber closed-loop closed when screw thread is embedded in threaded hole between closing screw and inner cylinder left side；The right end of the outer sleeve body and inner cylinder is consistent with its left end structure, therefore the closing screw there are one being equally threadedly coupled in the threaded hole opened up at the inner cylinder right side.The utility model planet wheel spindle essential structure is collectively constituted by outer sleeve body and inner cylinder, and embedded interference fit between outer sleeve body and inner cylinder, it is flowed along flow channel conducive to the lubricating oil stored in savings chamber room when in use and plays corresponding lubricant effect from being flowed into oil guide hole in the oil guide groove opened up on outer sleeve body outer wall, pass through a large amount of lubricating oil stored in savings chamber room, conducive to corresponding lubricant effect is being played for a long time, ensure duration.
Description
Technical field
The utility model is related to automobile making supporting structure technical field more particularly to a kind of planet wheel shaft structures.
Background technology
Planetary gear shaft is parts important in automobile differential, it is connected to differential casing and planetary gear, is made
With being to transmit torque to planetary gear, the distribution of torque is realized, to make wheel realize differential operating.Because of planetary gear shaft
Applying working condition it is more severe, to ensure its running accuracy, safety and service life, it is necessary to assure planetary gear shaft has higher
Wearability, corrosion resistance, intensity and toughness, and good lubrication can be obtained.
Such as a kind of 201320529229.5 planetary gear shaft of application number, the both ends of the planetary gear shaft are fixed on differential mechanism
On shell, it is equipped with the planetary gear coordinated with axle shaft gear, the planetary gear shaft is equipped with planetary matching part
Oil guide groove.The oil guide groove for the left-turn spiral arrangement together that crosses is arranged at the position of itself and planetary gear cooperation in the utility model
With the oil guide groove of right hand helix arrangement, it ensure that planetary gear shaft either left-handed or can obtain in dextrorotation operation process
The good self-lubricating arrived, phenomena such as avoiding the inordinate wear and fracture that bring by insufficient lubrication, and also oil guide groove will not be cut
The structure of the strength and stiffness of weak planetary gear shaft itself, this planetary gear shaft is simple, produces and easy to process, is easy to batch
Production and popularization.
Inventor has found that above-mentioned patent in actual use, has the following problems：
1, the oil guide groove of the left-turn spiral arrangement set by it and the oil guide groove of right hand helix arrangement may store lubricating oil
Capacity is limited, will fade away after long period of time lubricates, cannot play lasting lubricant effect, and lubricating oil exists
Start addition and using when nearly 30% lubricating oil will appear loss.
Then, inventor in view of this, adhere to the relevant industries for many years it is abundant design and develop and the experience of actual fabrication,
Improvement is studied for existing structure and missing, a kind of planet wheel shaft structure is provided, to reach with more more practical
The purpose of value.
Utility model content
The purpose of this utility model is to provide a kind of planet wheel shaft structures, mentioned above in the background art existing to solve
Planetary gear shaft can only add less capacity and be easy the problem of loss cannot play lasting lubricant effect.
The purpose and effect of the utility model planet wheel shaft structure, are reached by technological means in detail below：
A kind of planet wheel shaft structure, wherein the planet wheel shaft structure includes：
Outer sleeve body, pin hole, oil guide groove, closing screw, rubber closed-loop, inner cylinder, accumulator tank, oil guide hole, Oil Guide are recessed
Slot and threaded hole；
Planet wheel shaft structure is collectively constituted by outer sleeve body and inner cylinder；The outer sleeve body be internally embedded formula interference fit have in
Cylinder；It is consistent, the corresponding through-hole type in position that diameter is offered at the outer sleeve body and inner cylinder left position
The pin hole；The oil guide groove of two groups of helicoidal structures, and two groups of helical forms are offered on the outer sleeve body left end outer wall
Between the oil guide groove of structure arrangement is uniformly distributed by axial line circular array shape of the inner axes of outer sleeve body；Two groups of institutes
State the right that the opened up position of oil guide groove is located at the pin hole opened up at outer sleeve body left position；In the outer sleeve body left end
The oil guide groove of two groups of helicoidal structures is equally offered on wall, and with the two groups of spiral shells offered on outer sleeve body left end outer wall
Revolve shape structure the Oil Guide groove location is corresponding, the hand of spiral is corresponding；It is opened on the outer sleeve body left end outer wall and inner wall
If oil guide groove between be connected by oil guide hole, and several oil guide holes opened up are equally with the inner axes of outer sleeve body
Axial line circular array shape is uniformly distributed at the four-quadrant point position of outer sleeve body；The outer sleeve body left end inner wall offers one
Locate the accumulator tank of ring-shaped, and the position that accumulator tank is opened up is located at the pin hole opened up on outer sleeve body left end and outer sleeve body left end
It is connected between the oil guide groove opened up on inner wall and with oil guide groove described in opened up on outer sleeve body left end inner wall two groups；It is described
An Oil Guide groove being connected with accumulator tank is offered at outer sleeve body left end inner wall, and the position that Oil Guide groove is opened up is located at
With pin hole longitudinal centre line be X axis in 90 ° of right angles Y-axis line on；Two groups are equally offered on the inner cylinder left end outer wall
The oil guide groove of helicoidal structure, and using the inner axes of inner cylinder as axis between the oil guide groove of two groups of helicoidal structures
Heart line circular array shape is uniformly distributed arrangement；The opened up position of oil guide groove described in this two groups is located at inner cylinder left position place
The right of the pin hole opened up, and oil guide groove is opened up described in two groups position and the hand of spiral with outer sleeve body left end inner wall
On oil guide groove described in opened up two groups it is corresponding；Therefore it is described outer when embedded interference fit between the outer sleeve body and inner cylinder
It is fitted closely between the internal face of body and the outside wall surface of the inner cylinder, described in two respectively opened up on inner wall or outer wall group
Oil guide groove helical margin line fits closely to form the flow channel of a helical structure；It is same on the inner cylinder left end outer wall
Sample offer at one with the storage of savings groove location is corresponding, structure the is consistent ring-shaped opened up on outer sleeve body left end inner wall
Slot is stored, and between outer sleeve body and inner cylinder when embedded interference fit, between the accumulator tank respectively opened up on inner wall or outer wall
Corresponding edge line fit to formed a ring-shaped structure savings chamber；It is same on the inner cylinder left end outer wall
, Oil Guide groove that structure consistent corresponding with the Oil Guide groove location opened up on outer sleeve body left end inner wall at one is offered,
And between outer sleeve body and inner cylinder when embedded interference fit, pair between the Oil Guide groove respectively opened up on inner wall or outer wall
The edge line answered fits to form an Oil Guide channel being connected with savings chamber；The axle center of the inner cylinder left side
Threaded hole at one is offered at position；There are one the closing screws for threaded hole internal thread connection, and close screw with it is interior
There are one the rubber closed-loops consistent with inner cylinder left end facial contour for setting between cylinder left side；Therefore the closing screw spiral shell
Line be embedded in threaded hole when closing screw and inner cylinder left side between rubber closed-loop by be fully sealed Oil Guide channel into
Mouth end；The right end of the outer sleeve body and inner cylinder is consistent with its left end structure, therefore is opened up at the inner cylinder right side
Threaded hole in be equally threadedly coupled there are one the closing screw.
Further, the section of outline of the oil guide groove is arcuate structure.
Further, the section of outline of the accumulator tank is arcuate structure, and accumulator tank curved profile is more than oil guide groove
Curved profile.
In comparison with existing structure, the utility model has the following advantages that：
1. the utility model planet wheel spindle essential structure is collectively constituted by outer sleeve body and inner cylinder, and outer sleeve body and inner cylinder
Between embedded interference fit, made by way of the cooperation oil guide groove opened up on outer sleeve body inner wall, Oil Guide groove and
Oil guide groove, Oil Guide groove and the accumulator tank equally opened up on accumulator tank and inner cylinder outer wall forms flow channel, Oil Guide channel
With savings chamber, conducive to using it is preceding by a large amount of lubricating oil by Oil Guide channel down to entering in savings chamber room to store, be conducive to
The lubricating oil stored in savings chamber room when in use flows along flow channel and from being flowed into oil guide hole on outer sleeve body outer wall
Corresponding lubricant effect is played in the oil guide groove opened up, by a large amount of lubricating oil stored in savings chamber room, is conducive in length
Time plays corresponding lubricant effect, ensures duration, and be provided with closing screw, can make closing spiral shell by tightening closing screw
The input end in Oil Guide channel is fully sealed in rubber closed-loop between silk and inner cylinder or so end face, effectively avoids using
The loss of preceding lubricating oil, further, oil guide hole are uniformly distributed by axial line circular array shape of the inner axes of outer sleeve body
At the four-quadrant point position of outer sleeve body, ensures that lubricating oil will not largely flow out when in use, reduce what lubricating oil was wasted
Capacity.
Description of the drawings
Fig. 1 is the utility model main structure diagram；
Fig. 2 is partial enlargement structural representation in the utility model Fig. 1；
Fig. 3 is that the utility model axis regards structural schematic diagram；
Fig. 4 is the utility model internal sectional structure schematic diagram；
Fig. 5 is partial enlargement structural representation in the utility model Fig. 4；
Fig. 6 is the utility model without closing screw side structure schematic view；
Fig. 7 is that the utility model inner cylinder axis regards structural schematic diagram；
Fig. 8 is that the utility model outer sleeve body axis regards structural schematic diagram；
Fig. 9 is that the utility model outer sleeve body inner shaft regards structural schematic diagram.
In figure：1, outer sleeve body, 2, pin hole, 3, oil guide groove, 4, closing screw, 5, rubber closed-loop, 6, inner cylinder, 7, storage
Store slot, 8, oil guide hole, 9, Oil Guide groove, 10, threaded hole.
Specific implementation mode
In the following, will be explained in the embodiments of the present invention, the example is shown in the accompanying drawings and the description below.Although will
The utility model is described in conjunction with exemplary embodiment, it is to be understood that the description does not really want the utility model to be limited to this to show
The embodiment of example property.On the contrary, the utility model will not only cover the exemplary embodiment, but also cover various replacements,
Change, equivalent and other embodiment, may include the spirit and model in the utility model as defined in the appended claims
In enclosing.
Referring to Fig. 1 to attached drawing 9, a kind of planet wheel shaft structure includes：
Outer sleeve body 1, pin hole 2, oil guide groove 3, closing screw 4, rubber closed-loop 5, inner cylinder 6, accumulator tank 7, oil guide hole
8, Oil Guide groove 9 and threaded hole 10；
Planet wheel shaft structure is collectively constituted by outer sleeve body 1 and inner cylinder 6；Outer sleeve body 1 be internally embedded formula interference fit have in
Cylinder 6；Offer that diameter is consistent, pin of the corresponding through-hole type in position at outer sleeve body 1 and 6 left position of inner cylinder
Hole 2；The oil guide groove 3 of two groups of helicoidal structures, and the oil guide groove of two groups of helicoidal structures are offered on 1 left end outer wall of outer sleeve body
Between 3 arrangement is uniformly distributed by axial line circular array shape of the inner axes of outer sleeve body 1；Two groups of oil guide grooves, 3 the opened up position
Setting in the right of the pin hole 2 opened up at 1 left position of outer sleeve body；Two groups of spiral shells are equally offered on 1 left end inner wall of outer sleeve body
The oil guide groove 3 of shape structure is revolved, and with 3 position of oil guide groove of the two groups of helicoidal structures offered on 1 left end outer wall of outer sleeve body
It is corresponding, the hand of spiral is corresponding；By oil guide hole 8 between the oil guide groove 3 opened up on 1 left end outer wall of outer sleeve body and inner wall
Several oil guide holes 8 for being connected, and being opened up equally uniformly are divided by axial line circular array shape of the inner axes of outer sleeve body 1
It is distributed at the four-quadrant point position of outer sleeve body 1；1 left end inner wall of outer sleeve body offers the accumulator tank 7 of ring-shaped at one, and accumulator tank
7 positions opened up are located at the oil guide groove 3 opened up on 1 left end inner wall of the pin hole 2 opened up on 1 left end of outer sleeve body and outer sleeve body
Between and be connected with the two groups of oil guide grooves 3 opened up on 1 left end inner wall of outer sleeve body；One is offered at 1 left end inner wall of outer sleeve body
The Oil Guide groove 9 that item is connected with accumulator tank 7, and the position that Oil Guide groove 9 is opened up is located at 2 longitudinal centre line of pin hole for X
Axis is on the Y-axis line at 90 ° of right angles；The oil guide groove 3 of two groups of helicoidal structures is equally offered on 6 left end outer wall of inner cylinder, and
Between the oil guide groove 3 of two groups of helicoidal structures row is uniformly distributed by axial line circular array shape of the inner axes of inner cylinder 6
Row；Two groups of oil guide grooves, 3 the opened up position is located at the right of the pin hole 2 opened up at 6 left position of inner cylinder, and two groups of Oil Guides
The position and the hand of spiral that slot 3 is opened up are corresponding with the two groups of oil guide grooves 3 opened up on 1 left end inner wall of outer sleeve body；Therefore it is outer
It is closely pasted between the internal face of outer sleeve body 1 and the outside wall surface of inner cylinder 6 when embedded interference fit between body 1 and inner cylinder 6
It closes, two groups of oil guide grooves, the 3 helical margin line respectively opened up on inner wall or outer wall fits closely to form a helical structure
Flow channel；The accumulator tank 7 opened up at one and on 1 left end inner wall of outer sleeve body is equally offered on 6 left end outer wall of inner cylinder
The accumulator tank 7 for the ring-shaped that position is corresponding, structure is consistent, and embedded interference fit between outer sleeve body 1 and inner cylinder 6
When, the corresponding edge line between the accumulator tank 7 respectively opened up on inner wall or outer wall fits to form a ring-shaped
The savings chamber of structure；The Oil Guide opened up at one and on 1 left end inner wall of outer sleeve body is equally offered on 6 left end outer wall of inner cylinder
The Oil Guide groove 9 that 9 position of groove is corresponding, structure is consistent, and between outer sleeve body 1 and inner cylinder 6 when embedded interference fit,
Corresponding edge line between the Oil Guide groove 9 respectively opened up on its inner wall or outer wall fits to form one and savings chamber
The Oil Guide channel that room is connected；Threaded hole 10 at one are offered at the shaft core position of 6 left side of inner cylinder；Spiral shell in threaded hole 10
Line connection there are one closing screw 4, and close between screw 4 and 6 left side of inner cylinder setting there are one with 6 left side of inner cylinder
The consistent rubber closed-loop 5 of profile；Therefore closing screw 4 and 6 left side of inner cylinder when closing 4 screw thread of screw insertion threaded hole 10
Between rubber closed-loop 5 input end in Oil Guide channel will be fully sealed；The right end of outer sleeve body 1 and inner cylinder 6 is left with it
End structure is consistent, therefore closes screw 4 there are one being equally threadedly coupled in the threaded hole 10 opened up at 6 right side of inner cylinder.
The preferred embodiment of planet wheel shaft structure as described above, the wherein section of outline of oil guide groove 3 are arcuate structure,
Both it had been conducive to the flowing of lubricating oil, the strength and stiffness of planet wheel spindle itself will not be weakened；
The preferred embodiment of planet wheel shaft structure as described above, wherein the section of outline of accumulator tank 7 is arc knot
Structure, and 7 curved profile of accumulator tank is more than the curved profile of oil guide groove 3, is formed conducive to by a large amount of lubricating oil down to accumulator tank 7 is entered
Savings chamber room in store, conducive to prolonged lubricant effect can be played when in use, effectively avoid the stream of lubricating oil
It loses.
The operation principle of the present embodiment：
The essential structure of the utility model planet wheel spindle is collectively constituted by outer sleeve body 1 and inner cylinder 6, and outer sleeve body 1 and inner prop
Embedded interference fit between body 6 makes the oil guide groove 3 opened up on 1 inner wall of outer sleeve body, Oil Guide recessed by way of the cooperation
It is logical that oil guide groove 3, Oil Guide groove 9 and the accumulator tank 7 equally opened up on slot 9 and accumulator tank 7 and 6 outer wall of inner cylinder forms flowing
Road, Oil Guide channel and savings chamber, conducive to using it is preceding by a large amount of lubricating oil by Oil Guide channel down to entering in savings chamber room to deposit
Storage is got up, and is flowed along flow channel conducive to the lubricating oil stored in savings chamber room when in use and is flowed into from oil guide hole 8
Corresponding lubricant effect is played in the oil guide groove 3 opened up on 1 outer wall of outer sleeve body, passes through a large amount of profit stored in savings chamber room
Lubricating oil ensures duration conducive to corresponding lubricant effect is being played for a long time, and is provided with closing screw 4, can be by tightening envelope
Close the import that screw 4 makes the rubber closed-loop 5 between 6 or so end face of closing screw 4 and inner cylinder that Oil Guide channel be fully sealed
End is effectively avoided in the loss using preceding lubricating oil, and further, oil guide hole 8 is using the inner axes of outer sleeve body 1 as axial line
Circular array shape is uniformly distributed at the four-quadrant point position of outer sleeve body 1, ensures that lubricating oil will not largely flow when in use
Go out, reduces the capacity that lubricating oil is wasted.
In conclusion although the utility model is described in detail with reference to the foregoing embodiments, for this field
It, still can be with technical scheme described in the above embodiments is modified, or to which part for technical staff
Technical characteristic carry out equivalent replacement, within the spirit and principle of the utility model, made by any modification, equivalent replacement,
Improve etc., it should be included within the scope of protection of this utility model.
Claims (3)
1. a kind of planet wheel shaft structure, it is characterised in that：The planet wheel shaft structure includes：
Outer sleeve body, pin hole, oil guide groove, closing screw, rubber closed-loop, inner cylinder, accumulator tank, oil guide hole, Oil Guide groove and
Threaded hole；
Planet wheel shaft structure is collectively constituted by outer sleeve body and inner cylinder；The outer sleeve body, which is internally embedded formula interference fit, inner prop
Body；Offer that diameter is consistent, institute of the corresponding through-hole type in position at the outer sleeve body and inner cylinder left position
State pin hole；The oil guide groove of two groups of helicoidal structures, and two groups of helical form knots are offered on the outer sleeve body left end outer wall
Between the oil guide groove of structure arrangement is uniformly distributed by axial line circular array shape of the inner axes of outer sleeve body；Described in this two groups
The opened up position of oil guide groove is located at the right of the pin hole opened up at outer sleeve body left position；The outer sleeve body left end inner wall
On equally offer the oil guide grooves of two groups of helicoidal structures, and with the two groups of spirals offered on outer sleeve body left end outer wall
The Oil Guide groove location of shape structure is corresponding, the hand of spiral is corresponding；It is opened up on the outer sleeve body left end outer wall and inner wall
Oil guide groove between several oil guide holes for being connected by oil guide hole, and being opened up equally using the inner axes of outer sleeve body as axis
Heart line circular array shape is uniformly distributed at the four-quadrant point position of outer sleeve body；The outer sleeve body left end inner wall offers at one
The accumulator tank of ring-shaped, and the position that accumulator tank is opened up is located in the pin hole opened up on outer sleeve body left end and outer sleeve body left end
It is connected between the oil guide groove opened up on wall and with oil guide groove described in opened up on outer sleeve body left end inner wall two groups；It is described outer
Offer an Oil Guide groove being connected with accumulator tank at body left end inner wall, and the position that is opened up of Oil Guide groove be located at
Pin hole longitudinal centre line is X-axis line on the Y-axis line at 90 ° of right angles；Two groups of spiral shells are equally offered on the inner cylinder left end outer wall
The oil guide groove of shape structure is revolved, and using the inner axes of inner cylinder as axle center between the oil guide groove of two groups of helicoidal structures
Line circular array shape is uniformly distributed arrangement；The opened up position of oil guide groove described in this two groups, which is located at inner cylinder left position, is opened
If the pin hole right, and oil guide groove is opened up described in two groups position and the hand of spiral on outer sleeve body left end inner wall
Oil guide groove is corresponding described in two groups opened up；Therefore housing when embedded interference fit between the outer sleeve body and inner cylinder
It fits closely between the internal face of body and the outside wall surface of the inner cylinder, is led described in two respectively opened up on inner wall or outer wall group
Oil groove helical margin line fits closely to form the flow channel of a helical structure；It is same on the inner cylinder left end outer wall
Offer at one with the savings of savings groove location is corresponding, structure the is consistent ring-shaped opened up on outer sleeve body left end inner wall
Slot, and between outer sleeve body and inner cylinder when embedded interference fit, between the accumulator tank respectively opened up on inner wall or outer wall
Corresponding edge line fits to form the savings chamber of a ring-shaped structure；It is equally opened on the inner cylinder left end outer wall
Equipped with the Oil Guide groove corresponding with the Oil Guide groove location opened up on outer sleeve body left end inner wall at one, structure is consistent, and
Between outer sleeve body and inner cylinder when embedded interference fit, the correspondence between the Oil Guide groove respectively opened up on inner wall or outer wall
Edge line fit to be formed one with save the Oil Guide channel that is connected of chamber；The axle center position of the inner cylinder left side
The place of setting offers threaded hole at one；There are one the closing screws for the threaded hole internal thread connection, and close screw and inner prop
There are one the rubber closed-loops consistent with inner cylinder left end facial contour for setting between body left side；Therefore the closing screw thread
The import in Oil Guide channel will be fully sealed in rubber closed-loop when embedded threaded hole between closing screw and inner cylinder left side
End；The right end of the outer sleeve body and inner cylinder is consistent with its left end structure, therefore opened up at the inner cylinder right side
The closing screw there are one being equally threadedly coupled in threaded hole.
2. planet wheel shaft structure according to claim 1, it is characterised in that：The section of outline of the oil guide groove is arc knot
Structure.
3. planet wheel shaft structure according to claim 1 or 2, it is characterised in that：The section of outline of the accumulator tank is arc
Shape structure, and accumulator tank curved profile is more than the curved profile of oil guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721033058.1U CN207864561U (en) | 2017-08-17 | 2017-08-17 | A kind of planet wheel shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721033058.1U CN207864561U (en) | 2017-08-17 | 2017-08-17 | A kind of planet wheel shaft structure |
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| Publication Number | Publication Date |
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| CN207864561U true CN207864561U (en) | 2018-09-14 |
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ID=63474057
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|---|---|---|---|
| CN201721033058.1U Active CN207864561U (en) | 2017-08-17 | 2017-08-17 | A kind of planet wheel shaft structure |
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| CN (1) | CN207864561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114671344A (en) * | 2022-05-27 | 2022-06-28 | 河南东起机械有限公司 | Crane power assembly |
-
2017
- 2017-08-17 CN CN201721033058.1U patent/CN207864561U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114671344A (en) * | 2022-05-27 | 2022-06-28 | 河南东起机械有限公司 | Crane power assembly |
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