CN110242679A - A kind of automatic transmission transmission device - Google Patents
A kind of automatic transmission transmission device Download PDFInfo
- Publication number
- CN110242679A CN110242679A CN201910474168.9A CN201910474168A CN110242679A CN 110242679 A CN110242679 A CN 110242679A CN 201910474168 A CN201910474168 A CN 201910474168A CN 110242679 A CN110242679 A CN 110242679A
- Authority
- CN
- China
- Prior art keywords
- piston
- guide piston
- transmission device
- guide
- spring
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 80
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
- F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
- F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
- F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Gear-Shifting Mechanisms (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to a kind of transmission devices, and in particular to a kind of automatic transmission transmission device；The spring solved in existing automatic transmission transmission device is easy unstability, influence the axial displacement characteristic of piston, multiple groups friction pair piece combination unit is caused to combine and separate not stable enough, and then lead to the precision of automatic transmission transmission device and be driven the impacted technical problem of quality, the present invention provides a kind of automatic transmission transmission devices.A kind of automatic transmission transmission device of the invention, it include pedestal, spring and multiple guide pistons including piston, active transmission device, piston Left-side support device, piston Right side support device, multiple groups friction pair piece combination unit, passive transmission device and elastic device, elastic device；Pedestal is ring-type, and the end face of pedestal is equipped with multiple along its circumferentially uniformly distributed guide piston set；The quantity of guide piston is less than or equal to the quantity of guide piston；Guide piston is slidably connected with guide piston set.
Description
Technical field
The present invention relates to a kind of transmission devices, and in particular to a kind of automatic transmission transmission device.
Background technique
Existing automatic transmission transmission device, as shown in Figure 1, including piston 01, active transmission device 02, a piston left side
Collateral support arrangement 03, piston Right side support device 04, multiple groups friction pair piece combination unit 05, passive transmission device 06 and elasticity
Device 07.
Active transmission device 02 and piston Left-side support device 03 are connected.Multiple groups friction pair piece combination unit 05 includes even
Piece and odd piece, active transmission device 02 rotate the even piece rotation that can drive multiple groups friction pair piece combination unit 05, multiple groups friction
The odd piece rotation of antithesis piece combination unit 05 can drive passive transmission device 06 to rotate.
Piston 01 and piston Left-side support device 03 form a media operation chamber 08, piston 01 and piston Right side support dress
04 formation, one medium accommodating chamber 09 is set, elastic device 07 is between piston 01 and Right side support device 04.Piston 01 can be
It is moved axially between piston Left-side support device 03 and piston Right side support device 04.
Existing elastic device 07 includes spring mounting seat 071 and multiple springs 072.Spring mounting seat 071 is in ring
Shape, end face are evenly distributed multiple spring retainer seats, and spring mounting seat 071 is withstood on piston 01, and spring 072 protrudes into piston
In the recess portion of Right side support device 04.
Gap is equipped between piston 01 and piston Left-side support device 03, it is hydraulic when needing transmission device to combine
Medium flows into media operation chamber 08, and hydraulic medium pushes piston 01 that the elastic force of elastic device is overcome to move to the right, at this point, multiple groups
The even piece of friction pair piece combination unit 05 and odd piece combine, and rotate jointly, and the rotary motion of active transmission device 02 is passed
Passive rotary device 06 is passed, the transmitting of torque and revolving speed is completed.
Since piston 01 and piston Right side support device 04 have rotational speed difference in the process of work, thus spring 072 into
While row is compressed axially, there is also radially bendings；In addition the centrifugal force that the rotary motion of spring 072 generates also can its generation diameter
To bending, above situation will lead to the unstability of spring, influence the axial displacement characteristic of piston, and transmission device is caused to combine and divide
It is excessive from vibration and noise in the process, and then influence the control precision and transmission quality of automatic transmission transmission device.
Summary of the invention
It is easy unstability in order to solve the spring in existing automatic transmission transmission device, the axial displacement for influencing piston is special
Property, it causes multiple groups friction pair piece combination unit to combine and separate not stable enough, and then leads to automatic transmission transmission device
Precision and the impacted technical problem of transmission quality, the present invention provides a kind of automatic transmission transmission devices.
The technical solution of the invention is as follows:
A kind of automatic transmission transmission device, including piston, active transmission device, piston Left-side support device, piston
Right side support device, multiple groups friction pair piece combination unit, passive transmission device and elastic device, are characterized in that
The elastic device includes pedestal, spring and multiple guide pistons；
The pedestal is ring-type, and the end face of the pedestal is equipped with multiple along its circumferentially uniformly distributed guide piston set；It is described to lead
It is adapted to piston bush with the inner hole of the spring, and the quantity of the guide piston is less than or equal to the number of the guide piston
Amount；
The guide piston is Step Shaft；The guide piston is slidably connected with the guide piston set.
Further, in order to reduce guide piston and guide piston set between frictional force, the small end of the guide piston
Cross section is the class ellipse that two sections of circular arcs and two sections of straight lines surround, and two sections of circular arcs are interior with guide piston set
Hole is tangent.
Further, the length of the guide piston set is greater than the half of the free height of the spring, and the guiding
The sum of the length of piston bush and the length of small end of the guide piston are greater than the free height of the spring.
Further, in order to reduce the resistance of motion of piston, the quantity of the guide piston set is 22, the guiding work
The quantity of plug is 3.
Further, in order to mitigate weight, guide piston is equipped with the axial lightening hole of perforation.
Further, the big end outer diameter of the guide piston is equal with the outer diameter of the spring.
The beneficial effect of the present invention compared with prior art is:
1, the elastic device in the present invention includes pedestal, spring and multiple guide pistons, and pedestal is equipped with guide piston set,
Guide piston set is slidably connected to form guidance set with guide piston, limits the bending deformation of spring, spring can be along guiding group
Part is axial steady flexible, reduce transmission device combine and separation process in vibrate and noise, improve the control of transmission device
Precision and transmission quality.
2, the class ellipse that the small end cross section of guide piston surrounds in the present invention for two sections of circular arcs and two sections of straight lines, and two
Duan Suoshu circular arc is tangent with the inner hole of guide piston set, reduces the friction between guide piston and guide piston set
Power.
3, the quantity of guide piston is less than the quantity that guide piston covers in the present invention, reduces the resistance of motion of piston.
Detailed description of the invention
Fig. 1 is the structure chart of existing automatic gearbox transmission device；
Fig. 2 is the structure chart of a specific embodiment of the invention；
Fig. 3 is that the explosive view of the embodiment (removes active transmission device, multiple groups friction pair piece combination unit and passive biography
After dynamic device)；
Fig. 4 is the three-dimensional structure diagram of the elastic device in the embodiment；
Fig. 5 is the partial view of the elastic device in the embodiment；
Fig. 6 is the A-A cross-sectional view of Fig. 5；
Appended drawing reference are as follows:
In Fig. 1:
01- piston, 02- active transmission device, 03- piston Left-side support device, 04- piston Right side support device, 05- are more
Group friction pair piece combination unit, the passive transmission device of 06-, 07- elastic device, 071- spring mounting seat, 072- spring,
08- media operation chamber, 09- medium accommodating chamber.
Fig. 2 is into Fig. 6:
1- piston, 2- active transmission device, 3- piston Left-side support device, 4- piston Right side support device, 5- multiple groups are rubbed
It wipes antithesis piece to combine the unit, the passive transmission device of 6-, 7- elastic device, 701- pedestal, 702- spring, 703- guide piston,
704- guide piston set, 705- circular arc, 706- straight line, 8- media operation chamber, 9- medium accommodating chamber.
Specific embodiment
Below in conjunction with drawings and the specific embodiments, the present invention will be further described.
Referring to Fig. 2 and Fig. 3, on the left of the automatic transmission transmission device, including piston 1, active transmission device 2, piston
Support device 3, piston Right side support device 4, multiple groups friction pair piece combination unit 5, passive transmission device 6 and elastic device
7。
Referring to fig. 4 to fig. 6, elastic device 7 includes pedestal 701, spring 702 and 4 guide piston 703.Pedestal 701 is ring
Shape, the end face of pedestal 701 are equipped with 22 along its circumferentially uniformly distributed guide piston set 704.Guide piston set 704 and spring 702
Inner hole is adapted.The compression travel of spring 702 is greater than the axial movement distance of piston 1.
Guide piston 703 is slidably connected with guide piston set 704, and the length of guide piston set 704 is greater than oneself of spring 702
By the half of height, and the sum of the length of guide piston set 704 and the length of small end of guide piston 703 are greater than spring 702
Free height.Guide piston 703 is Step Shaft, and the class that small end cross section, which is two sections of circular arcs 705, to be surrounded with two sections of straight lines 706 is ellipse
Circle, and two sections of circular arcs 705 are tangent with the inner hole of guide piston set 704, big end outer diameter is equal with the outer diameter of spring 702,
It is internally provided with the axial rectangular opening of perforation.
Referring to Fig. 2, the working principle of the automatic transmission transmission device is as follows:
Gap, when needing transmission device to combine, hydraulic Jie are equipped between piston 1 and piston Left-side support device 3
Mass flow enters media operation chamber 8, and hydraulic medium pushes piston 1 that the elastic force of elastic device 7 is overcome to move to the right, at this point, multiple groups are rubbed
The even piece and odd piece for wiping antithesis piece combination unit 5 combine, and rotate jointly, and the rotary motion of active transmission device 2 is passed to
Passive rotary device 6, completes the transmitting of torque and revolving speed.
The setting of spring 702 of the automatic transmission transmission device covers between 704 in guide piston 703 and guide piston,
When telescopic spring, guide piston 703 can slide in guide piston set 704, limit pedestal 701 and prop up relative on the right side of piston
The angle offset of support arrangement 4, and then the bending deformation of spring 702 is limited, it avoids due to piston 1 and piston Right side support dress
The centrifugal force of 4 rotational speed difference and spring 702 in the process of work itself is set, leading to spring 702, there is a phenomenon where unstability, bullets
Spring 702 can be axial steady flexible along guidance set, and the axial displacement characteristic of piston 1 is unaffected, reduces transmission device combination
With in separation process vibration and noise, improve transmission device control precision and transmission quality.
The above description is only an embodiment of the present invention, and it is not intended to limit the protection scope of the present invention, all to utilize the present invention
Equivalent structure transformation made by specification and accompanying drawing content, is applied directly or indirectly in other relevant technical fields, and wraps
It includes in scope of patent protection of the invention.
Claims (6)
1. a kind of automatic transmission transmission device, including piston (1), active transmission device (2), piston Left-side support device
(3), piston Right side support device (4), multiple groups friction pair piece combination unit (5), passive transmission device (6) and elastic device
(7), it is characterised in that:
The elastic device (7) includes pedestal (701), spring (702) and multiple guide pistons (703)；
The pedestal (701) is ring-type, and the end face of the pedestal (701) is equipped with multiple along its circumferentially uniformly distributed guide piston set
(704)；The guide piston set (704) is adapted with the inner hole of the spring (702), and the number of the guide piston (703)
Amount is less than or equal to the quantity of the guide piston set (704)；
The guide piston (703) is Step Shaft；The guide piston (703) is slidably connected with the guide piston set (704).
2. a kind of automatic transmission transmission device according to claim 1, it is characterised in that: the guide piston
(703) the class ellipse that small end cross section surrounds for two sections of circular arcs (705) and two sections of straight lines (706), and two sections of circular arcs
(705) tangent with the inner hole of the guide piston set (704).
3. a kind of automatic transmission transmission device according to claim 2, it is characterised in that: the guide piston set
(704) length is greater than the half of the free height of the spring (702), and the length of the guide piston set (704) and institute
State the free height that the sum of length of small end of guide piston (703) is greater than the spring (702).
4. a kind of automatic transmission transmission device according to claim 3, it is characterised in that: the guide piston set
(704) quantity is 22；The quantity of the guide piston (703) is 3.
5. a kind of automatic transmission transmission device according to claim 1 to 4, it is characterised in that: the guiding is lived
It fills in (703) and is equipped with the axial lightening hole of perforation.
6. a kind of automatic transmission transmission device according to claim 5, it is characterised in that: the guide piston
(703) big end outer diameter is more than or equal to the outer diameter with the spring (702).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474168.9A CN110242679B (en) | 2019-05-31 | 2019-05-31 | Transmission device for automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474168.9A CN110242679B (en) | 2019-05-31 | 2019-05-31 | Transmission device for automatic transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110242679A true CN110242679A (en) | 2019-09-17 |
| CN110242679B CN110242679B (en) | 2024-01-02 |
Family
ID=67885839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910474168.9A Active CN110242679B (en) | 2019-05-31 | 2019-05-31 | Transmission device for automatic transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110242679B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030017156A (en) * | 2001-08-24 | 2003-03-03 | 현대자동차주식회사 | Multi-plate clutch for automatic transmission |
| DE10253020A1 (en) * | 2002-11-14 | 2004-05-27 | Zf Sachs Ag | Pneumatic operating device for friction clutch has pressurized surfaces of piston and cylinder with axial recess toward opposite pressurized surface |
| DE102007027118A1 (en) * | 2007-06-13 | 2009-01-29 | Volkswagen Ag | Feather/spring device for use in motor vehicle, has disk springs guided in disk spring packet through guiding arrangement, where arrangement comprises guiding elements that are adjustable with respect to one another in axial direction |
| CN101479495A (en) * | 2006-06-20 | 2009-07-08 | 卢克摩擦片和离合器两合公司 | Hydraulically actuatable disengaging gear |
| CN101523072A (en) * | 2006-10-27 | 2009-09-02 | Nok株式会社 | Piston with built-in seal |
| DE102008048801B3 (en) * | 2008-09-24 | 2010-06-17 | Getrag Ford Transmissions Gmbh | Support element i.e. disk-like support plate, for clutch device arranged between engine and transmission of motor vehicle, has segments arranged at periphery of plate, separated by radial gaps and associated to respective support units |
| CN106641027A (en) * | 2016-12-01 | 2017-05-10 | 陕西法士特齿轮有限责任公司 | Brake |
| CN106763343A (en) * | 2017-02-17 | 2017-05-31 | 西安航空制动科技有限公司 | A kind of aviation spring shell type automatic gap adjusting piston component |
| CN208203843U (en) * | 2018-05-21 | 2018-12-07 | 柳工柳州传动件有限公司 | The clutch of clutch gap adjust automatically |
| CN210265583U (en) * | 2019-05-31 | 2020-04-07 | 陕西法士特齿轮有限责任公司 | Transmission device for automatic transmission |
-
2019
- 2019-05-31 CN CN201910474168.9A patent/CN110242679B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030017156A (en) * | 2001-08-24 | 2003-03-03 | 현대자동차주식회사 | Multi-plate clutch for automatic transmission |
| DE10253020A1 (en) * | 2002-11-14 | 2004-05-27 | Zf Sachs Ag | Pneumatic operating device for friction clutch has pressurized surfaces of piston and cylinder with axial recess toward opposite pressurized surface |
| CN101479495A (en) * | 2006-06-20 | 2009-07-08 | 卢克摩擦片和离合器两合公司 | Hydraulically actuatable disengaging gear |
| CN101523072A (en) * | 2006-10-27 | 2009-09-02 | Nok株式会社 | Piston with built-in seal |
| DE102007027118A1 (en) * | 2007-06-13 | 2009-01-29 | Volkswagen Ag | Feather/spring device for use in motor vehicle, has disk springs guided in disk spring packet through guiding arrangement, where arrangement comprises guiding elements that are adjustable with respect to one another in axial direction |
| DE102008048801B3 (en) * | 2008-09-24 | 2010-06-17 | Getrag Ford Transmissions Gmbh | Support element i.e. disk-like support plate, for clutch device arranged between engine and transmission of motor vehicle, has segments arranged at periphery of plate, separated by radial gaps and associated to respective support units |
| CN106641027A (en) * | 2016-12-01 | 2017-05-10 | 陕西法士特齿轮有限责任公司 | Brake |
| CN106763343A (en) * | 2017-02-17 | 2017-05-31 | 西安航空制动科技有限公司 | A kind of aviation spring shell type automatic gap adjusting piston component |
| CN208203843U (en) * | 2018-05-21 | 2018-12-07 | 柳工柳州传动件有限公司 | The clutch of clutch gap adjust automatically |
| CN210265583U (en) * | 2019-05-31 | 2020-04-07 | 陕西法士特齿轮有限责任公司 | Transmission device for automatic transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110242679B (en) | 2024-01-02 |
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