CN202301860U - Gear transmission device for automatic transmission - Google Patents
Gear transmission device for automatic transmission Download PDFInfo
- Publication number
- CN202301860U CN202301860U CN2011204044890U CN201120404489U CN202301860U CN 202301860 U CN202301860 U CN 202301860U CN 2011204044890 U CN2011204044890 U CN 2011204044890U CN 201120404489 U CN201120404489 U CN 201120404489U CN 202301860 U CN202301860 U CN 202301860U
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- CN
- China
- Prior art keywords
- gear
- clutch
- piston
- automatic transmission
- gear shaft
- 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.)
- Withdrawn - After Issue
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- General Details Of Gearings (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Structure Of Transmissions (AREA)
Abstract
The utility model discloses a gear transmission device for an automatic transmission, comprising a gear and a clutch, wherein the gear comprises a gear ring and a gear spoke; the clutch comprises a piston, a balance piston, a steel disc, a friction disc, a clutch outside hub, a clutch inside hub, a return spring and a connection plate; the gear and the chute are fixedly connected to form an integrated structure; a gear shaft is disposed inside the gear spoke; the gear spoke and the gear shaft form an integrated structure; and the piston, the balance piston, the return spring and the connection plate of the clutch are sleeved on the gear shaft. The gear and the chute in the multi-gear automatic transmission are integrated, thus the gear spoke of the gear is used as a part of a pressure oil cavity of the clutch, the space of a gearbox is effectively compressed, and the volume of the gearbox is reduced; and the gear and the clutch have no need to be independently designed, thus the quantity of components and parts is reduced, materials are saved and cost is decreased.
Description
Technical field
The utility model relates to a kind of automatic transmission and uses gear drive, belongs to the gear transmission technology field.
Background technique
In multi-speed automatic transmission, gear and clutch are indispensable devices, and it is discoid that gear is generally, and are made up of the gear ring and the tooth width of cloth of one; Clutch is made up of hub and return spring in piston, equalizing piston, steel disc, friction plate, the outer hub of clutch, the clutch; For the action of solenoidoperated cluthes, also need on relevant axle, many separate control oil channel be set.
The working principle of clutch is under the effect of pressure oil, promotes piston pressing friction sheet and steel disc, and friction plate and steel disc are become one; Realize that hub is synchronized with the movement in outer hub of clutch and the clutch; When the time spent of doing that does not have pressure oil, piston is return under the effect of return spring, and friction plate separates under action of centrifugal force with steel disc; Make it separate, not transferring power.
At present, in traditional multiple-shift automatic transmission case, gear and clutch need carry out independent design; And be fully independently each other, though can realize the gearing of gear, because gear and clutch are separate; Cause the space that makes gearbox not to be fully used; Cause the volume of gearbox to become big, cause certain difficulty when mating, its vehicle that can mate is reduced with car load; And gear and clutch design separately increase its component, have increased the management and the processing cost of component.
The model utility content
The technical problem that the utility model will solve is to above deficiency, provides a kind of compact structure, automatic transmission that cost is low to use gear drive.
For solving the above problems; The utility model adopts following technological scheme: a kind of automatic transmission is used gear drive; Comprise gear and clutch; Gear comprises the gear ring and the tooth width of cloth, and clutch comprises hub, return spring and land in the outer hub of piston, equalizing piston, steel disc, friction plate, clutch, the clutch, it is characterized in that: said gear and the clutch structure that is connected to one.
Further improvement as technique scheme:
The inboard of the said tooth width of cloth is provided with gear shaft, and the tooth width of cloth and gear shaft are structure as a whole; The piston of clutch, equalizing piston, return spring and land are sleeved on the gear shaft.
The outer hub of said clutch is fixedly connected with gear ring.
The inboard of the said tooth width of cloth is provided with toroidal cavity, and toroidal cavity holds piston and equalizing piston, and the piston and the tooth width of cloth, gear shaft form the pressure oil cavity of sealing.
The piston of said clutch, equalizing piston and gear shaft form the balance oil pocket of sealing.
Said gear is provided with axial support axis hole.
Said gear shaft is provided with the pressure oil duct, pressure oil duct connected component support axis hole and pressure oil cavity.
Said gear shaft is provided with the balance oil duct, balance oil duct connected component support axis hole and balance oil pocket.
Said gear shaft is provided with oil leab, and the lubricated chamber that the outer hub of equalizing piston, land, gear shaft and clutch forms is communicated with oil leab.
Said piston is connected with gear shaft, the axial seal of the tooth width of cloth respectively.
The outer rim of the said tooth width of cloth is provided with support ring, and the inwall of support ring and the outer shroud of piston are tightly connected.
Said equalizing piston respectively with gear shaft, piston shaft to being tightly connected, gear shaft is provided with jump ring.
Be provided with bearing between said land and the gear shaft.
The utility model is taked above technological scheme; Compared with prior art; Have the following advantages: gear in the automatic transmission case and clutch are integrated; Realized the part of the spoke of gear as the clutch pressure oil pocket, the space of gearbox has obtained compression effectively, has reduced the volume of gearbox; Gear and clutch do not need independent design, have reduced number of components and parts, have saved material, have reduced cost.
The utility model is described further with implementing below in conjunction with accompanying drawing.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment middle gear transmission device;
Among the figure,
The 1-gear ring, the 2-tooth width of cloth, the 3-first back shaft bearing, 4-piston, 5-equalizing piston, 6-lip seal, 7-steel disc; The 8-friction plate, the outer hub of 9-clutch, 10-lubricates chamber, hub in the 11-clutch, 12-jump ring, 13-jump ring, 14-bearing; The 15-land, the 16-second back shaft bearing, 17-pressure oil duct, 18-pressure oil cavity, 19-balance oil duct, 20-oil leab; 21-balance oil pocket, 22-supports axis hole, 23-gear shaft, 24-toroidal cavity, 25-return spring, 26-support ring.
Embodiment
Embodiment, as shown in Figure 1, a kind of automatic transmission is used gear drive, comprises the gear and the clutch of the structure that is connected to one; Clutch comprises hub 11, return spring 25 and land 15 in piston 4, equalizing piston 5, steel disc 7, friction plate 8, the outer hub 9 of clutch, the clutch; Gear comprises gear ring 1 and tooth 2;
The inboard of tooth 2 is provided with gear shaft 23, and the central position of gear is provided with axial support axis hole 22, supports in the axis hole 22 and is provided with the first back shaft bearing 3 and the second back shaft bearing 16 that is used for installing back shaft;
The inboard of tooth 2 is provided with toroidal cavity 24; Toroidal cavity 24 holds piston 4, return spring 25 and equalizing piston 5; Piston 4 and tooth 2, gear shaft 23 form the pressure oil cavity 18 of sealing; The interior ring of piston 4 and the outer wall of gear shaft 23 are tightly connected, and the outer rim of tooth 2 is provided with and is used for support piston 4 and makes the support ring 26 of axial motion, and the outer shroud of piston 4 is connected with the inner wall sealing of support ring 26.
The piston 4 of clutch, return spring 25, equalizing piston 5 and land 15 are enclosed within on the gear shaft 23; The piston 4 of clutch, equalizing piston 5 and gear shaft 23 form the balance oil pocket 21 of sealing, and return spring 25 is arranged between equalizing piston 5 and the piston 4 and with piston 4 and is fixedly connected;
The little Spielpassung of outer wall of the interior ring of equalizing piston 5 and gear shaft 23; The outer shroud of the outer shroud of equalizing piston 5 and piston 4 is tightly connected; Be provided with lip seal 6 between equalizing piston 5 and the piston 4, the leakage of the oil of the centrifugal force that pressure oil produces in the time of can stoping the balance clutch to rotate; Gear shaft 23 is provided with and stops that equalizing piston 5 makes axially movable jump ring 13;
The gear ring 1 of the outer hub 9 of clutch and the gear structure that is connected to one, steel disc 7 is fixedly connected with the outer hub 9 of clutch, and hub 11 is fixedly connected in friction plate 8 and the clutch;
Be provided with bearing 14 between the interior ring of land 15 and the gear shaft 23, be provided with jump ring 12 between land 15 and the gear shaft 23, jump ring 12 is used for stopping that bearing 14 moves axially;
Pressure oil gets into pressure oil cavity 18 through pressure oil duct 17 when clutch is worked, and promotes piston 4 pressing friction sheets 8 and steel disc 7, the transmission of hub 9 to gear ring 1 realization power outside hub 11, friction plate 8, steel disc 7, the clutch in land 15, clutch;
Realized the part of the spoke of gear as the clutch oil pocket, clutch and gear are integrated, and its gear and clutch are designed no longer separately, have reduced the design of component, and the space has obtained compression effectively, has saved material, has reduced cost.
Claims (13)
1. an automatic transmission is used gear drive; Comprise gear and clutch; Gear comprises the gear ring (1) and the tooth width of cloth (2); Clutch comprises hub (11), return spring (25) and land (15) in the outer hub (9) of piston (4), equalizing piston (5), steel disc (7), friction plate (8), clutch, the clutch, it is characterized in that: said gear and the clutch structure that is connected to one.
2. a kind of automatic transmission as claimed in claim 1 is used gear drive, it is characterized in that: the inboard of the said tooth width of cloth (2) is provided with gear shaft (23), and the tooth width of cloth (2) and gear shaft (23) are structure as a whole; The piston of clutch (4), equalizing piston (5), return spring (25) and land (15) are sleeved on the gear shaft (23).
3. a kind of automatic transmission as claimed in claim 2 is used gear drive, it is characterized in that: the outer hub (9) of said clutch is fixedly connected with gear ring (1).
4. a kind of automatic transmission as claimed in claim 3 is used gear drive; It is characterized in that: the inboard of the said tooth width of cloth (2) is provided with toroidal cavity (24); Toroidal cavity (24) holds piston (4) and equalizing piston (5), and piston (4) forms the pressure oil cavity (18) that seals with the tooth width of cloth (2), gear shaft (23).
5. a kind of automatic transmission as claimed in claim 4 is used gear drive, it is characterized in that: the piston of said clutch (4), equalizing piston (5) and gear shaft (23) form the balance oil pocket (21) of sealing.
6. a kind of automatic transmission as claimed in claim 5 is used gear drive, it is characterized in that: said gear is provided with axial support axis hole (22).
7. a kind of automatic transmission as claimed in claim 6 is used gear drive, it is characterized in that: said gear shaft (23) is provided with pressure oil duct (17), and pressure oil duct (17) is communicated with support axis hole (22) and pressure oil cavity (18).
8. a kind of automatic transmission as claimed in claim 6 is used gear drive, it is characterized in that: said gear shaft (23) is provided with balance oil duct (19), and balance oil duct (19) is communicated with support axis hole (22) and balance oil pocket (21).
9. a kind of automatic transmission as claimed in claim 6 is used gear drive; It is characterized in that: said gear shaft (23) is provided with oil leab (20), and the lubricated chamber (10) that the outer hub (9) of equalizing piston (5), land (15), gear shaft (23) and clutch forms is communicated with oil leab (20).
10. use gear drive like one of them said a kind of automatic transmission of claim 2-9, it is characterized in that: said piston (4) is connected with gear shaft (23), the tooth width of cloth (2) axial seal respectively.
11. a kind of automatic transmission as claimed in claim 10 is used gear drive, it is characterized in that: the outer rim of the said tooth width of cloth (2) is provided with support ring (26), and the outer shroud of the inwall of support ring (26) and piston (4) is tightly connected.
12. use gear drive like one of them described a kind of automatic transmission of claim 2-9; It is characterized in that: said equalizing piston (5) is connected with gear shaft (23), piston (4) axial seal respectively, and gear shaft (23) is provided with jump ring (13).
13. use gear drive like one of them described a kind of automatic transmission of claim 2-9, it is characterized in that: be provided with bearing (14) between said land (15) and the gear shaft (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204044890U CN202301860U (en) | 2011-10-21 | 2011-10-21 | Gear transmission device for automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204044890U CN202301860U (en) | 2011-10-21 | 2011-10-21 | Gear transmission device for automatic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202301860U true CN202301860U (en) | 2012-07-04 |
Family
ID=46370763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204044890U Withdrawn - After Issue CN202301860U (en) | 2011-10-21 | 2011-10-21 | Gear transmission device for automatic transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202301860U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384248A (en) * | 2011-10-21 | 2012-03-21 | 盛瑞传动股份有限公司 | Gear assembly for automatic transmission case |
| CN104832629A (en) * | 2014-02-12 | 2015-08-12 | 福特全球技术公司 | Vehicle Transmission and Method of Assembling Vehicle Transmission |
-
2011
- 2011-10-21 CN CN2011204044890U patent/CN202301860U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384248A (en) * | 2011-10-21 | 2012-03-21 | 盛瑞传动股份有限公司 | Gear assembly for automatic transmission case |
| CN102384248B (en) * | 2011-10-21 | 2013-10-23 | 盛瑞传动股份有限公司 | Gear assembly for automatic transmission case |
| CN104832629A (en) * | 2014-02-12 | 2015-08-12 | 福特全球技术公司 | Vehicle Transmission and Method of Assembling Vehicle Transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120704 Effective date of abandoning: 20131023 |
|
| RGAV | Abandon patent right to avoid regrant |