CN205401639U - Gear sleeve - Google Patents
Gear sleeve Download PDFInfo
- Publication number
- CN205401639U CN205401639U CN201620157321.7U CN201620157321U CN205401639U CN 205401639 U CN205401639 U CN 205401639U CN 201620157321 U CN201620157321 U CN 201620157321U CN 205401639 U CN205401639 U CN 205401639U
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- CN
- China
- Prior art keywords
- tooth
- spongy layer
- lubricating oil
- oil
- gear sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a gear sleeve, including the cover body and the gear sleeve ring gear of setting on the internal anchor ring of cover, the gear sleeve ring gear includes a plurality of gear sleeve internal tooth, the gear sleeve internal tooth coats and is stamped the elasticity oil reservoirs, is giving the gear sleeve internal tooth lubricated in -process, and the elasticity oil reservoirs can be given lubricating oil and adsorb to live. When synchronous ware was had no job, the elasticity oil reservoirs can be with lubricating the time that oil storage is more. And drive gear sleeve pivoted in -process at the tooth hub, tooth hub external tooth can extrude the elasticity oil reservoirs of gear sleeve internal tooth surface covering, and after the elasticity oil reservoirs receive the extrusion, it will follow the elasticity oil reservoirs and come out to lie in the intraformational lubricating oil of elasticity oil storage, then lubricating oil can flow on the tooth hub external tooth, so as to plays fine lubrication action to tooth hub external tooth, the effectual life who carries the high tooth hub, and it is corresponding, because the effect of power is relative, consequently, gear sleeve's life has also obtained the extension.
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, upshifts and stops a moment at neutral gear position, 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 set includes the body of ring-type, is provided with the tooth set ring gear can being engaged with the tooth hub external toothing on tooth hub on the inner peripheral surface of body.In time not needing transmission, tooth hub external toothing overlaps ring gear with tooth and separates, and this is that tooth hub cannot drive tooth set to rotate, and when needs transmission time, tooth hub slides, so that tooth hub external toothing is engaged with tooth set ring gear, thus reaching the purpose of transmission.
And due to tooth hub and tooth be enclosed within relative sliding occurs time, owing to tooth hub external toothing and tooth set ring gear are interlocked, therefore along with tooth hub and tooth overlap between Relative sliding, thus can make, between tooth hub external toothing and tooth set ring gear, abrasion occurs.And currently used method is oil addition between frequentation tooth hub and tooth overlap, thus reaching to prevent, between tooth hub external toothing and tooth set ring gear, abrasion occurs.But current tooth set is all as disclosed in Chinese patent that application number is 201120274041.1, it is when needs lubricate, it is all often oil is coated on the upper surface of tooth set ring gear, then in the mobility by lubricating oil self, thus reaching to overlap the effect of lubrication between ring gear to tooth hub external toothing and tooth.
But when lock unit is after employing one end time, the phenomenon dried up can quickly occur in the lubricating oil between tooth hub external toothing and tooth set ring gear, thus just needing again to overlap ring gear upper surface coating lubricating oil through frequentation tooth, 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, by elastic oil reservoirs thereon, it is possible to the lubricating oil at tooth hub internal tooth place is stored, makes the lubricant effect between tooth hub external tooth and tooth set internal tooth more lasting.
For achieving the above object, this utility model provides following technical scheme: a kind of tooth set, overlaps ring gear including body and the tooth being arranged on body inner ring surface, and described tooth set ring gear includes several teeth set internal tooth, and described tooth set internal tooth is coated with elastic oil reservoirs.
In the process overlapping internal tooth lubrication to tooth, lubricating oil can be adsorbed by elastic oil reservoirs.When lock unit does not have in harness time, lubricating oil can be stored the more time by elastic oil reservoirs.And in the process that tooth hub drives tooth set to rotate, tooth hub external tooth can extrude the elastic oil reservoirs that tooth set inner toothed surface covers, and after elastic oil reservoirs are squeezed, the lubricating oil being positioned at elastic oil reservoirs will from elastic oil reservoirs out, and then lubricating oil can flow on tooth hub external tooth such that it is able to tooth hub external tooth is played good lubrication, the effective service life improving tooth hub, and corresponding, owing to the effect of power is relative, therefore have also been obtained prolongation the service life of tooth set.
Preferably, described elastic oil reservoirs are spongy layer.
About the concrete structure of elastic oil reservoirs, the present embodiment preferably elastic oil reservoirs are spongy layer, owing to sponge has excellent adsorption effect such that it is able to be stored in spongy layer by a lot of lubricating oil.
Preferably, described tooth set internal tooth is provided with the sidewall of spongy layer and is provided with several oil storage tanks.
When having enough lubricating oil in spongy layer, when spongy layer is squeezed time, lubricating oil in spongy layer can flow in oil storage tank and store, and when the lubricating oil in spongy layer is inadequate time, lubricating oil in oil storage tank can all be given and sponge by spongy layer, it is thus possible to supplement the internal contained lubricating oil of spongy layer, so that spongy layer is still able to tooth hub external tooth is played good lubricant effect.And when spongy layer is squeezed time, owing to spongy layer is very soft, therefore spongy layer has and is partly in oil storage tank such that it is able to is all given by the lubricating oil in oil storage tank and sponges.
Preferably, described oil storage tank is wavy.
In time having lubricating oil in oil storage tank, owing to oil storage tank is wavy, therefore, it is possible to improve the contact area of oil storage tank and spongy layer, when the lubricating oil quantity in spongy layer is inadequate time, it is possible to make spongy layer be walked to absorption by the lubricating oil in lubrication groove faster.
Preferably, one end that described spongy layer overlaps internal tooth back to tooth is provided with screen cloth.
Spongy layer is by the outer tooth contact of screen cloth and tooth hub, therefore in the process that tooth hub slidably reciprocates, friction occurs between tooth hub external tooth and screen cloth, spongy layer will not be caused damage by the namely movement of tooth hub, it is thus possible to improve the service life of spongy layer, and when spongy layer is compressed time, the lubricating oil in spongy layer will from the grid of screen cloth out, then flow to, on tooth hub external tooth, good lubricant effect to be reached successively.
Preferably, described tooth set internal tooth upper surface is provided with the through hole communicated with oil storage tank.
In the process of coating lubricating oil, a part of lubricating oil can enter in oil storage tank by through hole, then then through oil storage concentrated flow to spongy layer place, thus being absorbed by spongy layer, and owing to lubricating oil has more path to flow spongy layer place, so that the contact area of spongy layer and lubricating oil can be more, spongy layer absorbs the speed of lubricating oil also can be faster.
Preferably, the seamed edge of described tooth set internal tooth upper surface is equipped with chamfering.
When lubricating oil flow to tooth set internal tooth upper surface time, lubricating oil can be played and well guide effect by the existence of chamfering, so that lubricating oil can flow on the side of tooth set internal tooth, it is prevented that wear phenomenon occurs in the sidewall of tooth set internal tooth.
Preferably, described body upper surface is provided with several oil guide groove running through body inner ring surface.
When needs lubricate time, by the guiding function of oil guide groove, it is possible to make lubricating oil stream to the inner ring surface of body.
Preferably, one end of described body is provided with locating piece, and the other end is provided with the locating slot that can coordinate with locating piece.
After being stacked by a lot of tooth sets, locating piece can snap onto in locating slot such that it is able to makes adjacent two tooth sets be fixed together, it is possible to avoid certain tooth set landing phenomenon occur.
In sum, this utility model has the advantages that the lubricating oil quantity that can increase tooth set contained by internal tooth place, makes the lubricant effect between tooth set internal tooth and tooth hub external tooth more lasting；When several tooth sets are stacked, it is possible to prevent, between adjacent two tooth sets, relative displacement occurs.
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of tooth set；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is tooth set structure chart when removing screen cloth；
Fig. 4 is tooth set structure chart when removing screen cloth and spongy layer；
Fig. 5 is tooth set sectional view when removing screen cloth and spongy layer.
In figure: 1, body；11, locating slot；12, oil guide groove；2, locating piece；3, tooth set internal tooth；31, through hole；32, chamfering；33, oil storage tank；4, spongy layer；5, screen cloth.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is described in detail.
A kind of tooth set, with reference to Fig. 1, overlaps ring gear including body 1 and the tooth being arranged on body 1 inner ring surface, and this tooth set ring gear includes several tooth set internal tooths 3 of uniform circular distribution on body 1 inner ring surface.When needs transmission, the tooth hub external tooth on tooth hub overlaps internal tooth 3 with tooth and is engaged, and the rotation thereby through tooth hub drives tooth set to rotate, and reaches the purpose of transmission.And in time being made without transmission, it is only necessary to sliding tooth hub, make tooth hub external tooth overlap internal tooth 3 with tooth and separate.
With reference to Fig. 1, and when tooth hub sliding time, it is there is certain frictional force between tooth hub external tooth and tooth set internal tooth 3, it is therefore desirable to oil addition between tooth hub and tooth overlap, to reach to reduce the purpose of frictional force between tooth hub external tooth and tooth set internal tooth 3.And in order to lubricating oil is played and well guides effect, the present embodiment selects to offer several oil guide groove 12 running through body 1 inner ring surface on the upper surface of body 1, when needs lubricate time, by the guiding function of oil guide groove 12, it is possible to make lubricating oil stream to the inner ring surface of body 1.
See figures.1.and.2, and when lubricating oil stream to tooth overlaps after on inner ring surface, lubricating oil can flow to tooth set internal tooth 3 place.And the upper surface of traditional tooth set internal tooth 3 is all for flat, therefore can cause that lubricating oil cannot well flow on tooth set internal tooth 3, thus causing the lubricant effect of tooth set internal tooth 3 poor.Therefore, for this problem, the present embodiment selects the seamed edge that tooth overlaps internal tooth 3 upper surface to be all provided with being set to chamfering 32, when lubricating oil flow to tooth set internal tooth 3 upper surface time, lubricating oil can be played and well guide effect by the existence of chamfering 32, so that lubricating oil can flow on the side of tooth set internal tooth 3, it is prevented that wear phenomenon occurs in the sidewall of tooth set internal tooth 3.
With reference to Fig. 1-Fig. 3, but in the process overlapping internal tooth 3 lubrication to tooth, a part of lubricating oil can pass through the sidewall drippage of tooth set internal tooth 3, thus causing the waste of lubricating oil；And after tooth is enclosed within and employs one end time, the lubricating oil on tooth set internal tooth 3 sidewall is easy to dry-out occur, at this time just has and lubricates to tooth set internal tooth 3 frequently.Therefore, for this phenomenon, the present embodiment selects to overlap at tooth to cover elastic oil reservoirs on internal tooth 3, so in the process overlapping internal tooth 3 lubrication to tooth, lubricating oil can be adsorbed by elastic oil reservoirs, and about the concrete structure of elastic oil reservoirs, the present embodiment preferably elastic oil reservoirs are spongy layer 4, owing to sponge has excellent adsorption effect such that it is able to a lot of lubricating oil are stored in spongy layer 4.When lock unit does not have in harness time, lubricating oil can be stored the more time by spongy layer 4.And in the process that tooth hub drives tooth set to rotate, tooth hub external tooth can extrude the spongy layer 4 that tooth set internal tooth 3 surface covers, and after spongy layer 4 is squeezed, the lubricating oil being positioned at spongy layer 4 will from spongy layer 4 out, and then lubricating oil can flow on tooth hub external tooth such that it is able to tooth hub external tooth is played good lubrication, the effective service life improving tooth hub, and corresponding, owing to the effect of power is relative, therefore have also been obtained prolongation the service life of tooth set.
With reference to Fig. 1-Fig. 2, and when tooth hub external tooth is continuous and spongy layer 4 rubs time, the dramatic drop-off in service life of spongy layer 4 can be caused.Therefore, the present embodiment selects the one end overlapping internal tooth 3 back to tooth at spongy layer 4 to arrange screen cloth 5, and spongy layer 4 is by the outer tooth contact of screen cloth 5 and tooth hub, therefore in the process that tooth hub slidably reciprocates, friction occurs between tooth hub external tooth and screen cloth 5, spongy layer 4 will not be caused damage by the namely movement of tooth hub, it is thus possible to improve the service life of spongy layer 4, and when spongy layer 4 is compressed time, lubricating oil in spongy layer 4 will from the grid of screen cloth 5 out, then flow to, on tooth hub external tooth, good lubricant effect to be reached successively.
In addition, with reference to Fig. 3, overlap internal tooth 3 at tooth to be provided with on the sidewall of spongy layer 4 and be additionally provided with several oil storage tanks 33, shape about this oil storage tank 33, the preferred oil storage tank of the present embodiment 33 is wavy, in time having lubricating oil in oil storage tank 33, owing to oil storage tank 33 is wavy, therefore, it is possible to improve the contact area of oil storage tank 33 and spongy layer 4.When having enough lubricating oil in spongy layer 4, when spongy layer 4 is squeezed time, lubricating oil in spongy layer 4 can flow in oil storage tank 33 and store, and when the lubricating oil in spongy layer 4 is inadequate time, lubricating oil in oil storage tank 33 can all be given and sponge by spongy layer 4, it is thus possible to supplement the internal contained lubricating oil of spongy layer 4, so that spongy layer 4 is still able to tooth hub external tooth is played good lubricant effect.And when spongy layer 4 is squeezed time, owing to spongy layer 4 is very soft, therefore spongy layer 4 has and is partly in oil storage tank 33 such that it is able to is all given by the lubricating oil in oil storage tank 33 and sponges.
With reference to Fig. 1, Fig. 2 and Fig. 4, and in order to make spongy layer 4 adsorpting lubrication oil speed faster, the present embodiment selects to overlap internal tooth 3 upper surface at tooth and arranges the through hole 31 communicated with oil storage tank 33, so in the process of coating lubricating oil, a part of lubricating oil can pass through through hole 31 and enter in oil storage tank 33, then then through oil storage tank 33 stream to spongy layer 4 place, thus being absorbed by spongy layer 4, and owing to lubricating oil has more path to flow spongy layer 4 place, so that the contact area of spongy layer 4 and lubricating oil can be more, spongy layer 4 absorbs the speed of lubricating oil also can be faster.
With reference to Fig. 5, and when a lot of tooth sets of carrying, can select to be stacked tooth set, but there will be relative displacement between tooth set, thus can cause that the phenomenon dropped occurs in tooth set, therefore, for this problem, the present embodiment selects the one end at tooth set to offer locating piece 2, being opened in, at the other end, the locating slot 11 that locating piece 2 coordinates, so after being stacked by a lot of tooth sets, locating piece 2 can snap onto in locating slot 11, it is thus possible to make adjacent two tooth sets be fixed together, it is possible to avoid certain tooth set that landing phenomenon occurs.
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 (9)
1. a tooth set, ring gear is overlapped including body (1) and the tooth being arranged on body (1) inner ring surface, described tooth set ring gear includes several teeth set internal tooth (3), it is characterized in that: be coated with elastic oil reservoirs on described tooth set internal tooth (3).
2. tooth set according to claim 1, is characterized in that: described elastic oil reservoirs are spongy layer (4).
3. tooth set according to claim 2, is characterized in that: described tooth set internal tooth (3) is provided with the sidewall of spongy layer (4) and is provided with several oil storage tanks (33).
4. tooth set according to claim 3, is characterized in that: described oil storage tank (33) is for wavy.
5. tooth set according to claim 2, is characterized in that: one end that described spongy layer (4) overlaps internal tooth (3) back to tooth is provided with screen cloth (5).
6. tooth set according to claim 3, is characterized in that: described tooth set internal tooth (3) upper surface is provided with the through hole (31) communicated with oil storage tank (33).
7. tooth set according to claim 1, is characterized in that: the seamed edge of described tooth set internal tooth (3) upper surface is equipped with chamfering (32).
8. tooth set according to claim 1, is characterized in that: described body (1) upper surface is provided with several oil guide groove (12) running through body (1) inner ring surface.
9. tooth set according to claim 1, is characterized in that: one end of described body (1) is provided with locating piece (2), and the other end is provided with the locating slot (11) that can coordinate with locating piece (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620157321.7U CN205401639U (en) | 2016-03-02 | 2016-03-02 | Gear sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620157321.7U CN205401639U (en) | 2016-03-02 | 2016-03-02 | Gear sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205401639U true CN205401639U (en) | 2016-07-27 |
Family
ID=56947340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620157321.7U Expired - Fee Related CN205401639U (en) | 2016-03-02 | 2016-03-02 | Gear sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205401639U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108606516A (en) * | 2016-08-22 | 2018-10-02 | 海宁金茂五金有限公司 | A kind of mute sliding rail of tool lubricating function |
| CN109469725A (en) * | 2018-12-28 | 2019-03-15 | 浙江畅尔智能装备股份有限公司 | A kind of lubricating structure and the gear-box using the lubricating structure |
| CN113137435A (en) * | 2020-01-19 | 2021-07-20 | 广州汽车集团股份有限公司 | Synchronizer |
| CN113503354A (en) * | 2021-08-18 | 2021-10-15 | 响水县嘉亿纺织有限公司 | Textile machine gear with oil guide groove |
-
2016
- 2016-03-02 CN CN201620157321.7U patent/CN205401639U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108606516A (en) * | 2016-08-22 | 2018-10-02 | 海宁金茂五金有限公司 | A kind of mute sliding rail of tool lubricating function |
| CN109469725A (en) * | 2018-12-28 | 2019-03-15 | 浙江畅尔智能装备股份有限公司 | A kind of lubricating structure and the gear-box using the lubricating structure |
| CN113137435A (en) * | 2020-01-19 | 2021-07-20 | 广州汽车集团股份有限公司 | Synchronizer |
| CN113503354A (en) * | 2021-08-18 | 2021-10-15 | 响水县嘉亿纺织有限公司 | Textile machine gear with oil guide groove |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 |