CN205401667U - Tooth hub - Google Patents
Tooth hub Download PDFInfo
- Publication number
- CN205401667U CN205401667U CN201620159083.3U CN201620159083U CN205401667U CN 205401667 U CN205401667 U CN 205401667U CN 201620159083 U CN201620159083 U CN 201620159083U CN 205401667 U CN205401667 U CN 205401667U
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- oil
- groove
- denticle
- add
- tooth hub
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Abstract
The utility model discloses a tooth hub, including the denticle, it adds the oil groove to be equipped with a plurality of on the outer periphery of denticle, be equipped with on the outer periphery of denticle toward refueling the oil clot that adds that the inslot refueled, add the oil outlet that is equipped with oil storage chamber, intercommunication oil storage chamber and adds the oil groove in the oil clot. In installation before the tooth hub, fill it up with oil toward adding the inside oil storage intracavity of oil clot earlier, and then with tooth hub and the installation of tooth cover together, and because to refuel the inslot width be unchangeable, it is unchangeable consequently to add the lubricated effect that the oil groove can play to can the effectual tooth hub of preventing and the tooth cover between the phenomenon of lubricating appeared, when refueling the lubricating oil of inslot when lessening, owing to there is the existence with the oil clot, the lubricating oil that adds oil storage intracavity in the oil clot can replenish to through the oil outlet and add the oil groove to can effectual reduction toward the number of times that adds the sino -Canada oil of oil groove.
Description
Technical field
This utility model relates to a kind of auto parts and components field, more specifically, it relates to a kind of tooth hub.
Background technology
Owing to transmission input shaft and output shaft rotate with respective speed, during conversion gear, can there is a problem synchronized.Two different gears of rotary speed engage by force and impact will necessarily occur, and damage gear.Therefore, the gearshift of old-fashioned variator to adopt the mode of bipod clutch, upshift neutral gear position stop a moment, downshift will at neutral gear position open out, to reduce the speed discrepancy of gear.But this operation is more complicated, it is difficult to grasp accurately.Therefore designer creates lock unit, makes to reach consistent rotating speed and engage smoothly by meshed gears by lock unit.Lock unit generally includes tooth hub and gear ring, and traditional tooth hub generally includes denticle, and denticle periphery is provided with external toothing, and denticle inner circumferential is provided with ring gear.Lock unit, in the process of work, there will be relative slip, therefore there will be bigger abrasion between tooth hub lateral surface and gear ring between tooth hub and gear ring.
Therefore, for this phenomenon, a lot of producers select to offer several lubrication grooves on the lateral wall of tooth hub at present, as shown in Figure 1, when there is bigger frictional force between tooth hub and gear ring, by toward oil addition in lubrication groove 11, thus the frictional force reduced between tooth hub and gear ring.
But due to the lubrication groove 11 on the lateral wall of this tooth hub can the space of charge of oil make little, if that is therefore done by lubrication groove 11 is wide, then the phenomenon that there will be lubrication between tooth hub and gear ring can be caused, however the work of lock unit is unfavorable.But the width of lubrication groove 11 is arranged to smaller words, then the lubricating oil in lubrication groove can be finished soon, then be accomplished by frequentation lubrication groove 11 and refuel, cumbersome.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is in that to provide a kind of tooth hub, and it can effectively reduce the number of times refueled in lubrication groove.
For achieving the above object, this utility model provides following technical scheme: a kind of tooth hub, including denticle, the outer circumference surface of described denticle is provided with several and adds oil groove, the outer circumference surface of described denticle be provided with toward add refuel in oil groove add oil clot, described in add and in oil clot, be provided with shoe cream room, connection shoe cream room and the oil outlet adding oil groove.
Before tooth hub is installed, first in the shoe cream room added within oil clot, fill it up with oil, then again tooth hub and tooth set are installed together, and be constant owing to adding oil groove insied width, therefore it is constant for adding the lubricant effect that oil groove can play such that it is able to effectively prevent the phenomenon occurring lubrication between tooth hub and tooth set；When the lubricating oil added in oil groove tails off time, with the existence adding oil clot, the lubricating oil added in oil clot in shoe cream room can be added to by oil outlet and add in oil groove such that it is able to effective minimizing is toward adding the number of times refueled in oil groove.
Preferably, the lateral wall of described denticle is provided with the annular groove of concentric setting, described in add oil clot sliding and be arranged in annular groove.
In time need not refueling, slip add oil clot so that oil outlet and add between oil groove cut off open, this is the sidewall of the targeted annular groove just of oil outlet, and therefore the oil in shoe cream room is difficult to spill, that with regard to let alone be carry out make-up oil to adding oil groove；When needs are toward when adding make-up oil in oil groove, sliding and add oil clot, make oil outlet for adding oil groove, at this moment, the lubricating oil in shoe cream room passes to add in oil groove, thus reaching adding supplementing of oil mass in oil groove.Additionally, when lock unit works, owing to tooth hub there will be rotation phenomenon, and after tooth hub rotates, move together owing to denticle adds oil clot by frictional force drive.Therefore, when the velocity of rotation of tooth hub is too fast time, then denticle and add and there will be relative motion between oil clot, and this makes it possible to make oil outlet and adding for a moment logical between oil groove to break, it is achieved automatically the oil mass added in oil groove to be supplemented for a moment.
Preferably, add described in oil clot be with denticle be arranged concentrically annular add oil clot.
So there is no need to worry add oil clot and depart from annular groove in radial directions, and after adding oil clot and making annular, it is also possible to its interior shoe cream room is also made annular, to improve the oil reserve of shoe cream room as much as possible.
Preferably, the tank filler sleeve being provided with through denticle one end on oil clot and communicating with shoe cream room is added described in.
When refueling in shoe cream room, it is only necessary to by tank filler sleeve, can realize to make-up oil in shoe cream room, it is not necessary to tooth hub and tooth set are taken apart, simplify operation.But it is rotary owing to adding oil clot, is therefore accomplished by adjusting suitable position by adding oil clot.
Preferably, described annular groove extends to one end of denticle, the described inner ring surface adding oil clot is provided with slide block, described annular groove is provided with the arc groove coordinated with slide block sliding, described arc groove and denticle are arranged concentrically, described in add oil clot and be provided with the oil filler communicated with shoe cream room back to the side adding oil groove.
Owing to slide block is positioned at chute, then can make to add oil clot can only rotate in annular groove, and cannot depart from annular groove.Meanwhile, being then provided with oil filler adding the oil clot side back to oil groove, by refueling in oil filler, at this moment oil filler is an exposure to outside, therefore just directly can add lubricating oil in shoe cream room when not dismantling tooth hub with tooth set.
Preferably, described oil outlet has several, described in add the two ends of oil groove and all can communicate with oil outlet.
This makes it possible to by toward the two ends oiling simultaneously adding oil groove, thus reaching to increase toward adding the speed refueled in oil groove.In fact by above-mentioned setting, it is exactly will add oil groove some is arranged to forniciform, and after so arranging, can effectively improve the contact area between tooth hub and tooth set, reach good lubricant effect, and by such mode, it is also possible to suitable minimizing adds the quantity of oil groove, brings certain simplicity for processing.
Preferably, the cross section adding oil groove described in is circular arc.
Ensure that and between tooth hub and tooth set, have bigger lubrication area, and also very convenient in processing.
Preferably, described denticle is provided with external toothing, and described external toothing is positioned at the side adding oil groove back to annular groove.
In working at lock unit, the power that external toothing is subject to can be relatively larger, and external toothing has and can transfer force to denticle place, and so arrange and can effectively avoid the existence of annular groove and cause tooth hub intensity step-down.
Preferably, being provided with inner fovea part between described external toothing and denticle, described inner fovea part is positioned at external toothing and relatively adds the side of oil groove.
When tooth hub and tooth exist too much lubricating oil between overlapping time, pass through inner fovea part, it is also possible to lubricating oil is stored.
Preferably, described inner fovea part is the inner fovea part of the annular being arranged concentrically with denticle.
This makes it possible to denticle lubricating oil in the radial direction can both be played good memory action.
In sum, this utility model has the advantages that the shoe cream room by adding in oil clot, it is possible to automatically the lubricating oil added in oil groove is supplemented；It is arranged to sliding, it is possible to realize regularly the lubricating oil added in oil groove being supplemented in the course of the work by adding oil clot.
Accompanying drawing explanation
Fig. 1 is the structure chart of background technology；
Fig. 2 is the structure chart of embodiment one；
Fig. 3 is the axonometric drawing of embodiment one, for embodying the position relationship adding oil groove with oil storage hole；
Fig. 4 is the enlarged drawing of part A in Fig. 3；
Fig. 5 is the sectional view of embodiment one；
Fig. 6 is the enlarged drawing of part B in Fig. 6；
Fig. 7 is the structure chart adding oil clot；
Fig. 8 is the sectional view of embodiment two；
Fig. 9 is the enlarged drawing of C portion in Fig. 8；
Figure 10 is the structure chart of embodiment two；
Figure 11 is the enlarged drawing of D part in Figure 10.
In figure: 1, denticle；11, lubrication groove；12, tank filler sleeve；13, oil groove is added；14, arc groove；15, annular groove；2, oil clot is added；21, oil outlet；22, shoe cream room；23, oil filler；3, external toothing；4, slide block；5, inner fovea part.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is described in detail.
Embodiment one: a kind of tooth hub, see figures.1.and.2, including denticle 1 and the external toothing 3 being arranged on denticle 1 lateral wall, the lateral wall of denticle 1 is additionally provided with several and adds oil groove 13, in the process of lock unit work, it is possible to refuel by adding oil groove 13, such lubricating oil just can enter between denticle 1 and tooth set, and owing to being there is relative sliding between denticle 1 with tooth set, therefore the existence of lubricating oil can play good lubrication between denticle 1 and tooth are overlapped.
With reference to Fig. 3-Fig. 7, and in order to prevent the phenomenon occurring lubrication between tooth hub and denticle 1, therefore adding the width of oil groove 13 is all will not arrange too wide.But words so may result in what the oil added in oil groove 13 was finished soon, then be accomplished by refueling in frequentation refuels groove 13, cumbersome.Therefore, for this problem, the present embodiment selects to arrange on the outer peripheral face of denticle 1 to add oil clot 2, is provided with shoe cream room 22 in this inside adding oil clot 2 and connects shoe cream room 22 and the oil outlet 21 adding oil groove 13.Therefore before tooth hub is installed, first in the shoe cream room 22 added within oil clot 2, fill it up with oil, then again tooth hub and tooth set are installed together, and be constant owing to adding oil groove 13 insied width, therefore it is constant for adding the lubricant effect that oil groove 13 can play such that it is able to effectively prevent the phenomenon occurring lubrication between tooth hub and tooth set.And about adding the structure of oil groove 13, the cross section adding oil groove 13 described in the present embodiment selection is circular arc.By above-mentioned setting, it is possible to ensure to have between tooth hub and tooth set bigger lubrication area, and also very convenient in processing.
With reference to Fig. 3-Fig. 6, and when the lubricating oil added in oil groove 13 tails off time, with the existence adding oil clot 2, the lubricating oil added in oil clot 2 in shoe cream room 22 can be added to by oil outlet 21 and add in oil groove 13, reduce toward adding the number of times refueled in oil groove 13 it is thus possible to effective, and after refueling times tails off, accordingly, tooth set with tooth hub between institute it may happen that abrasion probability will tail off, raising tooth hub service life.Certainly, in order to ensure to have enough lubrication areas between tooth hub and tooth set, therefore the present embodiment selects the quantity of lubrication groove 11 is arranged to several, accordingly, the quantity of oil storage hole is also equipped with several, so ensure that shoe cream room 22 can refuel to each oil groove 13 that adds, and need not toward the oil addition added in oil groove 13 one by one, easy to use.And about being that there is certain viscosity due to lubricating oil, therefore may result in oil cannot add to timely and add in oil groove 13, therefore the two ends adding oil groove 13 are arranged to and communicate by the present embodiment, this makes it possible to by toward the two ends oiling simultaneously adding oil groove 13, thus reaching to increase toward adding the speed refueled in oil groove 13.In fact by above-mentioned setting, it is exactly will add oil groove 13 some is arranged to forniciform, and after so arranging, can effectively improve the contact area between tooth hub and tooth set, reach good lubricant effect, and by such mode, it is also possible to suitable minimizing adds the quantity of oil groove 13, brings certain simplicity for processing.
With reference to Fig. 3-Fig. 6, if and be always maintained at adding in oil groove 13 there is the oil that comparison is sufficient, in fact can cause lubricating oil waste to a certain extent, therefore, for this phenomenon, the present embodiment selects to arrange the annular groove 15 being arranged concentrically with denticle 1 on the outer circumference surface of denticle 1, and this annular groove 15 is in adding the oil groove 13 side back to external toothing 3, in working at lock unit, the power that external toothing 3 is subject to can be relatively larger, and the existence that can effectively avoid annular groove 15 is so set and cause external toothing 3 place cause reduced.Add oil clot 2 to be provided in annular groove 15 and add between oil clot 2 with annular groove 15 being that sliding is connected, in time need not refueling, slip add oil clot 2 so that oil outlet 21 and add between oil groove 13 cut off open, this is the sidewall of the targeted annular groove just 15 of oil outlet 21, therefore the oil in shoe cream room 22 is difficult to spill, that with regard to let alone be carry out make-up oil to adding oil groove 13；When needs are toward when adding make-up oil in oil groove 13, sliding and add oil clot 2, make oil outlet 21 for adding oil groove 13, at this moment, the lubricating oil in shoe cream room 22 passes to add in oil groove 13, thus reaching adding supplementing of oil mass in oil groove 13.And about adding the concrete structure of oil clot 2, the present embodiment preferably adds what oil clot 2 was annular, so there is no need to worry add oil clot 2 and depart from annular groove 15 in radial directions, and after adding oil clot 2 and circularizing, its interior shoe cream room 22 also can also be made annular, to improve the oil reserve of shoe cream room 22 as much as possible.Additionally, when lock unit works, owing to tooth hub there will be rotation phenomenon, and after tooth hub rotates, move together owing to denticle 1 adds oil clot 2 by frictional force drive.Therefore, when the velocity of rotation of tooth hub is too fast time, then denticle 1 and add and there will be relative motion between oil clot 2, and this makes it possible to make oil outlet 21 and adding for a moment logical between oil groove 13 to break, it is achieved automatically the oil mass added in oil groove 13 to be supplemented for a moment.
In addition, with reference to Fig. 5, the present embodiment is also formed with between external toothing 3 and denticle 1 inner fovea part 5, in time there is too much lubricating oil between overlapping in tooth hub and tooth, by inner fovea part 5, also be able to lubricating oil is stored, and inner fovea part 5 be preferably shaped of the annular being arranged concentrically with denticle 1, this makes it possible to denticle 1 lubricating oil in the radial direction can both be played good memory action.
With reference to Fig. 2, Fig. 5 and Fig. 6, when the oil in shoe cream room 22 is few time, then need the oil in shoe cream room 22 is supplemented.And for easy to operate requirement, preferably need not tooth hub and tooth set be taken apart just can to adding supplementing in oil groove 13, therefore, the present embodiment selects in the one end adding the tank filler sleeve 12 offered on oil clot 2 and being through denticle 1, so will toward when refueling in shoe cream room 22, have only to by tank filler sleeve 12, can realize to make-up oil in shoe cream room 22.But it is rotary owing to adding oil clot 2, is therefore accomplished by adjusting suitable position by adding oil clot 2.And in order to prevent the oil in shoe cream room 22 from revealing from tank filler sleeve 12, it is possible at tank filler sleeve 12 place, check valve is set.
Embodiment two: a kind of tooth hub, with reference to Fig. 8-Figure 11, the present embodiment and embodiment one are distinctive in that, in the present embodiment, annular groove 15 is the one end extending to denticle 1, and drop from denticle 1 to prevent from adding oil clot 2, the present embodiment selects adding the slide block 4 being provided with on the inner ring surface of oil clot 2, accordingly, annular groove 15 sidewall then arranges the arc groove 14 coordinated with arc groove 14 sliding, owing to slide block 4 is positioned at chute, so can make to add oil clot 2 can only rotate in annular groove, and annular groove cannot be departed from.Meanwhile, being then provided with oil filler 23 adding the oil clot 2 side back to oil groove, by refueling in oil filler 23, at this moment oil filler 23 is an exposure to outside, therefore just directly can add lubricating oil in shoe cream room 22 when not dismantling tooth hub with tooth set.And in order to prevent the oil in shoe cream room 22 from revealing from oil filler 23, it is possible at tank filler sleeve 12 place, check valve is set.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a tooth hub, including denticle (1), the outer circumference surface of described denticle (1) is provided with and adds oil groove (13), it is characterized in that: the outer circumference surface of described denticle (1) be provided with toward add refuel in oil groove (13) add oil clot (2), described in add and in oil clot (2), be provided with shoe cream room (22), connection shoe cream room (22) and the oil outlet (21) adding oil groove (13).
2. tooth hub according to claim 1, it is characterized in that: the lateral wall of described denticle (1) is provided with the annular groove (15) of concentric setting, described in add oil clot (2) sliding and be arranged in annular groove (15).
3. tooth hub according to claim 2, is characterized in that: described in add oil clot (2) for denticle (1) be arranged concentrically annular add oil clot (2).
4. tooth hub according to claim 3, is characterized in that: described in add the tank filler sleeve (12) being provided with through denticle (1) one end on oil clot (2) and communicating with shoe cream room (22).
5. tooth hub according to claim 3, it is characterized in that: described annular groove (15) extends to one end of denticle (1), the described inner ring surface adding oil clot (2) is provided with slide block (4), described annular groove (15) is provided with the arc groove (14) coordinated with slide block (4) sliding, described arc groove (14) and denticle (1) are arranged concentrically, described in add oil clot (2) and be provided with the oil filler (23) communicated with shoe cream room (22) back to the side adding oil groove (13).
6. tooth hub according to claim 3, is characterized in that: described oil outlet (21) has several, described in add the two ends of oil groove (13) and all can communicate with oil outlet (21).
7. tooth hub according to claim 1, is characterized in that: described in add the cross section of oil groove (13) be circular arc.
8. tooth hub according to claim 2, is characterized in that: described denticle (1) is provided with external toothing (3), and described external toothing (3) is positioned at the side adding oil groove (13) back to annular groove (15).
9. tooth hub according to claim 8, it is characterized in that: be provided with inner fovea part (5) between described external toothing (3) and denticle (1), described inner fovea part (5) is positioned at external toothing (3) and relatively adds the side of oil groove (13).
10. tooth hub according to claim 9, is characterized in that: described inner fovea part (5) is the inner fovea part (5) of the annular being arranged concentrically with denticle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620159083.3U CN205401667U (en) | 2016-03-02 | 2016-03-02 | Tooth hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620159083.3U CN205401667U (en) | 2016-03-02 | 2016-03-02 | Tooth hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205401667U true CN205401667U (en) | 2016-07-27 |
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ID=56947781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620159083.3U Expired - Fee Related CN205401667U (en) | 2016-03-02 | 2016-03-02 | Tooth hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205401667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806500A (en) * | 2016-09-06 | 2018-03-16 | 日本电产株式会社 | Gear mechanism and motor and electrical equipment with the gear mechanism |
| CN109458443A (en) * | 2018-05-07 | 2019-03-12 | 王辉 | Automobile gear |
-
2016
- 2016-03-02 CN CN201620159083.3U patent/CN205401667U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806500A (en) * | 2016-09-06 | 2018-03-16 | 日本电产株式会社 | Gear mechanism and motor and electrical equipment with the gear mechanism |
| CN107806500B (en) * | 2016-09-06 | 2020-07-14 | 日本电产株式会社 | Gear mechanism, and motor and electric apparatus having the same |
| CN109458443A (en) * | 2018-05-07 | 2019-03-12 | 王辉 | Automobile gear |
| CN109458443B (en) * | 2018-05-07 | 2021-08-27 | 重庆润汇德机械制造有限公司 | Automobile gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 |
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| CF01 | Termination of patent right due to non-payment of annual fee |