CN103062392B - Speed changer three cylinders of a kind of gear that can automatically make the return trip empty - Google Patents
Speed changer three cylinders of a kind of gear that can automatically make the return trip empty Download PDFInfo
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- CN103062392B CN103062392B CN201310016784.2A CN201310016784A CN103062392B CN 103062392 B CN103062392 B CN 103062392B CN 201310016784 A CN201310016784 A CN 201310016784A CN 103062392 B CN103062392 B CN 103062392B
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Abstract
The invention belongs to automotive transmission class, specifically speed changer three cylinders of a kind of gear that can automatically make the return trip empty, wherein on declutch shift shaft, be provided with two positioning plates, two return springs, piston, locking nut, two positioning plates are located by cylinder block both ends of the surface, piston handle is held in centre by two positioning plates by two return springs, form neutral position, O type circle is installed between declutch shift shaft and piston, cylinder is arranged to two air chambers, and sealed with end-face seal ring respectively by casing and end cap, its 2 air chambers is under the original state of not ventilating, positioning plate is positioned by cylinder block both ends of the surface, by piston being held in centre, two return springs have certain pretightening force to two positioning plates.When both sides air chamber is all connected with air, piston, under the effect of both sides return spring, automatically returns to neutral position.Structure of the present invention is simple, and part is few, reliable performance, low cost of manufacture, and can make the return trip empty gear automatically.
Description
Technical field
The invention belongs to automotive transmission class, specifically speed changer three cylinders of a kind of gear that can automatically make the return trip empty.
Background technique
Three cylinders have extensive application in the field such as automobile, lathe.When particularly AMT speed changer adopts ecp gearshift, more need one automatically to make the return trip empty gear gear, and the cylinder of reliable, structure is simple, volume the is little gearshift of three positions can be set simultaneously.Solution on current market mainly contains two kinds:
The first, adopt two independently two cylinders jointly control.Program cost is very high, and structure is numerous and diverse, is unfavorable for that space is arranged.
The second, adopts a cylinder, and two pistons form three air chambers, forms air pressure different pressures situation of the same race, carry out complex controll, thus form three positions by the sectional area of the different size of two pistons.Program cost is higher, complex structure.And when dying, neutral position cannot be automatically returned to.Particularly for the AMT speed changer adopting ecp gearshift, when car load generation gas path failure, speed changer cannot make the return trip empty gear gear automatically, and brings problem to safe driving and fault trailer.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, the gear gear that can automatically make the return trip empty that a kind of structure is simple, reliable performance, cost are low is provided, and speed changer three cylinders of the gear that can automatically make the return trip empty of three positions can be set simultaneously.
Technical solution of the present invention is:
Speed changer three cylinders of a kind of gear that can automatically make the return trip empty of the present invention, comprise cylinder block, declutch shift shaft, casing, end cap, wherein on declutch shift shaft, be provided with two positioning plates, two return springs, piston, locking nut, two positioning plates are located by cylinder block both ends of the surface, piston handle is held in centre by two positioning plates by two return springs, form neutral position, O type circle is installed between declutch shift shaft and piston, cylinder is arranged to two air chambers, two y-shaped rings are provided with between piston and cylinder block, between casing and cylinder block, end-face seal ring is installed, also end-face seal ring is installed between end cap and cylinder block.
Three cylinders of the above-mentioned gear that automatically makes the return trip empty, its 2 air chambers is under the original state of not ventilating, and positioning plate is positioned by cylinder block both ends of the surface, and by piston being held in centre, two return springs have certain pretightening force to two positioning plates.When 2 air chambers is all connected with air, piston, under the effect of two return springs, automatically returns to neutral gear.Structure of the present invention is simple, and part is few, reliable performance, low cost of manufacture, and can make the return trip empty gear automatically.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, speed changer three cylinders of a kind of gear that can automatically make the return trip empty, comprise cylinder block 9, declutch shift shaft 12, casing 13, end cap 7, wherein on declutch shift shaft 12, be provided with two positioning plates 1, two return springs 5, piston 4, locking nut 6, two positioning plates 1 are located by cylinder block 9 both ends of the surface, piston 4 handle is held in centre by two positioning plates 1 by two return springs 5, form neutral position, O type circle 2 is installed between declutch shift shaft 12 and piston 4, cylinder is arranged to two air chambers, and sealed with end-face seal ring 8 respectively by casing 13 and end cap 7, 2 air chambers is under the original state of not ventilating, two positioning plates 1 are positioned by cylinder block 9 both ends of the surface, by piston 4 being held in centre, two return springs 5 have certain pretightening force to two positioning plates 1.
Working procedure of the present invention is as follows: when both sides air chamber is not all ventilated, and the pretightening force of two return springs 5, acts on positioning plate 1, by cylinder block 9 both ends of the surface location, by piston 4 being held in centre, forms neutral gear position; When the ventilation of right side air chamber, when left side air chamber is not ventilated, right side air pressure promotes piston 4 and compresses left side return spring 5 to left movement, until left side end cap 7 encountered by positioning plate 1, completes engage a gear process left; When the ventilation of left side air chamber, when right side air chamber is not ventilated, left side air pressure promotes piston 4 compression right side return spring 5 and moves right, until right side end cap 7 encountered by positioning plate 1, completes process of putting into gear to the right.
Three cylinders of the above-mentioned gear that automatically makes the return trip empty, its piston 4 axial length 0 ~ 0.5mm shorter in cylinder block 9.
Casing 13 of the present invention and end cap 7 adopt end-face seal ring 8 to seal respectively, between declutch shift shaft 12 and piston 4 with O type circle 2 seal, between declutch shift shaft 12 and end cap 7 because there being relative sliding to adopt two O type circle 10, piston 4 and cylinder block 9 to adopt two y-shaped rings 3 to seal, so sealing is reliable.
The present invention is primarily of part compositions such as a cylinder block 9, piston 4, declutch shift shaft 12, two positioning plates 1, two return springs 5, two end caps 7, locking nuts 6, and structure is simple, and part is less, and manufacture cost is lower.
The present invention is when speed changer feeding pneumatic fault, and speed changer automatically returns to neutral position under the elastic force effect of cylinder both sides return spring 5, to ensure traffic safety and to facilitate fault trailer.
Claims (3)
1. speed changer three cylinders of gear that can automatically make the return trip empty, comprise cylinder block, declutch shift shaft, casing, end cap, it is characterized in that: on declutch shift shaft, be provided with two positioning plates, two return springs, piston, locking nut, two positioning plates are located by cylinder block both ends of the surface, piston handle is held in centre by two positioning plates by two return springs, O type circle is installed between declutch shift shaft and piston, two y-shaped rings are provided with between piston and cylinder block, between casing and cylinder block, end-face seal ring is installed, between end cap and cylinder block, also end-face seal ring is installed.
2. speed changer three cylinders of the gear that can automatically make the return trip empty according to claim 1, is characterized in that: three cylinders of the gear that automatically makes the return trip empty, its piston axial length 0 ~ 0.5mm shorter in cylinder block.
3. speed changer three cylinders of the gear that can automatically make the return trip empty according to claim 1 and 2, is characterized in that: be provided with two O type circle between declutch shift shaft and casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310016784.2A CN103062392B (en) | 2013-01-16 | 2013-01-16 | Speed changer three cylinders of a kind of gear that can automatically make the return trip empty |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310016784.2A CN103062392B (en) | 2013-01-16 | 2013-01-16 | Speed changer three cylinders of a kind of gear that can automatically make the return trip empty |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103062392A CN103062392A (en) | 2013-04-24 |
| CN103062392B true CN103062392B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310016784.2A Active CN103062392B (en) | 2013-01-16 | 2013-01-16 | Speed changer three cylinders of a kind of gear that can automatically make the return trip empty |
Country Status (1)
| Country | Link |
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| CN (1) | CN103062392B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206530B (en) * | 2013-04-28 | 2016-02-03 | 长城汽车股份有限公司 | Gearshift |
| CN110206881A (en) * | 2019-05-07 | 2019-09-06 | 上海凯煦信息科技有限公司 | A kind of shifting-fork gear-shifting valve rod self-return structure |
| CN112145676A (en) * | 2020-09-11 | 2020-12-29 | 西安法士特汽车传动有限公司 | Three-position cylinder actuating mechanism |
| CN112228603A (en) * | 2020-10-26 | 2021-01-15 | 宁波星箭航天机械有限公司 | Pressure reducing valve |
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| GB746696A (en) * | 1954-02-12 | 1956-03-21 | Nat Pneumatic Co Inc | Improvements in or relating to fluid pressure apparatus |
| US3952714A (en) * | 1971-07-05 | 1976-04-27 | Robert Bosch Gmbh | Link length adjusting apparatus |
| US4116114A (en) * | 1974-03-18 | 1978-09-26 | Aeroquip Corporation | Double piston brake actuator |
| CN1789734A (en) * | 2005-12-16 | 2006-06-21 | 上海汽车股份有限公司 | Tri-positioning pneumatic cylinder with buffer and travel micro-adjusting mechanism |
| CN2842101Y (en) * | 2005-11-11 | 2006-11-29 | 韶关宏大齿轮有限公司 | The automotive transmission Pneumatic shifting device |
| CN201382146Y (en) * | 2009-03-12 | 2010-01-13 | 襄樊江山汽车变速箱有限责任公司 | Three-position gear shifting cylinder |
| CN201416627Y (en) * | 2009-04-27 | 2010-03-03 | 武汉理工大学 | Speed changer control mechanism for electric automobile |
| CN102628510A (en) * | 2012-02-23 | 2012-08-08 | 中国重汽集团大同齿轮有限公司 | Secondary box gear-shifting flexible operating cylinder of heavy automobile automated mechanical transmission (AMT) |
| CN203098828U (en) * | 2013-01-16 | 2013-07-31 | 浙江万里扬变速器股份有限公司 | Transmission three-position air cylinder capable of automatically returning to neutral gear |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59159403A (en) * | 1983-02-28 | 1984-09-10 | Hino Motors Ltd | Cylinder device for power shifting |
-
2013
- 2013-01-16 CN CN201310016784.2A patent/CN103062392B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB746696A (en) * | 1954-02-12 | 1956-03-21 | Nat Pneumatic Co Inc | Improvements in or relating to fluid pressure apparatus |
| US3952714A (en) * | 1971-07-05 | 1976-04-27 | Robert Bosch Gmbh | Link length adjusting apparatus |
| US4116114A (en) * | 1974-03-18 | 1978-09-26 | Aeroquip Corporation | Double piston brake actuator |
| CN2842101Y (en) * | 2005-11-11 | 2006-11-29 | 韶关宏大齿轮有限公司 | The automotive transmission Pneumatic shifting device |
| CN1789734A (en) * | 2005-12-16 | 2006-06-21 | 上海汽车股份有限公司 | Tri-positioning pneumatic cylinder with buffer and travel micro-adjusting mechanism |
| CN201382146Y (en) * | 2009-03-12 | 2010-01-13 | 襄樊江山汽车变速箱有限责任公司 | Three-position gear shifting cylinder |
| CN201416627Y (en) * | 2009-04-27 | 2010-03-03 | 武汉理工大学 | Speed changer control mechanism for electric automobile |
| CN102628510A (en) * | 2012-02-23 | 2012-08-08 | 中国重汽集团大同齿轮有限公司 | Secondary box gear-shifting flexible operating cylinder of heavy automobile automated mechanical transmission (AMT) |
| CN203098828U (en) * | 2013-01-16 | 2013-07-31 | 浙江万里扬变速器股份有限公司 | Transmission three-position air cylinder capable of automatically returning to neutral gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103062392A (en) | 2013-04-24 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 321025 Zhejiang, Jinhua, Hong Hong West Road, No. 3999 Patentee after: ZHEJIANG WANLIYANG Co.,Ltd. Address before: 321025 Zhejiang, Jinhua, Hong Hong West Road, No. 3999 Patentee before: ZHEJIANG WANIER TRANSMISSION Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Transmission three position cylinder capable of automatically returning to neutral gear Effective date of registration: 20211230 Granted publication date: 20151118 Pledgee: Industrial and Commercial Bank of China Limited Jinhua Wucheng sub branch Pledgor: ZHEJIANG WANLIYANG Co.,Ltd. Registration number: Y2021980017090 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230315 Granted publication date: 20151118 Pledgee: Industrial and Commercial Bank of China Limited Jinhua Wucheng sub branch Pledgor: ZHEJIANG WANLIYANG Co.,Ltd. Registration number: Y2021980017090 |