CN2835715Y - Gear Shifting mechanism for mechanical transmission - Google Patents
Gear Shifting mechanism for mechanical transmission Download PDFInfo
- Publication number
- CN2835715Y CN2835715Y CN 200520010206 CN200520010206U CN2835715Y CN 2835715 Y CN2835715 Y CN 2835715Y CN 200520010206 CN200520010206 CN 200520010206 CN 200520010206 U CN200520010206 U CN 200520010206U CN 2835715 Y CN2835715 Y CN 2835715Y
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- China
- Prior art keywords
- gear
- return spring
- shift
- shift shaft
- reverse
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- Expired - Lifetime
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Abstract
The utility model discloses a gear shifting mechanism for a mechanical transmission, which comprises a gear shifting rotating arm (5), a transposition rotating arm (6), a gear shifting shaft (1), a gear shifting swing arm (3) arranged on the gear shifting shaft (1) and a gear shifting box (11) sheathed on the gear shifting shaft (1). The utility model is characterized in that the gear shifting rotating arm (5) and the transposition rotating arm (6) are all arranged on the gear shifting shaft (1). Compared with a manual gear shifting device of an existing automobile, the utility model has the advantages of reasonable and compact structure, flexible, convenient and accurate gear shifting and high transmission efficiency for the gear shifting rotating arm (5) and the transposition rotating arm (6) are arranged on the gear shifting shaft (1), simultaneously, the transmission has compact structure and stronger suitability, and the quality and the comfortable performance of gear shifting are enhanced.
Description
Technical field
The utility model relates to the gearshift mechanism of a kind of car gear shifting mechanism, particularly a kind of mechanical transmission.
Background technique
Existing vehicle manual gearshift comprises manual lever, transposition lever and linkage mechanism; Manually lever is realized the transposition engage a gear speed change of speed changer by linkage mechanism and inversion mechanism interlock, and its gear shift, transposition are controlled respectively.Because the member of linkage mechanism is many, complex structure, size chain length, synchronism interactive between each member is relatively poor, causes that the gear shift gap is big, efficient is low, shelves can occur disorderly in gearshift procedure, engage a gear is not in place even phenomenon out of supply, incur loss through delay shift time, make troubles to the operator.
Summary of the invention
The purpose of this utility model be to provide a kind of simple in structure, compact, gear shift is flexible, the gearshift mechanism of mechanical transmission accurately.
The purpose of this utility model is achieved in that a kind of gearshift mechanism of mechanical transmission, comprise: gear shifting rotary arm, transposition pivoted arm, shift shaft, be arranged at the gear shift swing arm on the shift shaft and be placed in gear shift case on the shift shaft, it is characterized in that: described gear shifting rotary arm, transposition pivoted arm all are arranged on the described shift shaft.
The pivoted arm cover of above-mentioned gear shifting rotary arm one end is placed on the described shift shaft, and is connected with described shift shaft by bearing pin, the through hole opened on described pivoted arm cover and shift shaft; What described pivoted arm overlapped is provided with a circular groove in outer shroud week, be built-in with the contiguous block of a band groove at this circular groove, one end of described transposition pivoted arm is connected with the pivoted arm cover of described gear shifting rotary arm one end by the contiguous block of transpositing pin, band groove, and the middle part of described transposition pivoted arm also is connected with described gear shift box body by transposition rotating shaft, link arm.
Be with interlock board on the described shift shaft of above-mentioned gear shift swing arm both sides, the reverse shift fork of described gear shift swing arm stretches out from the opening of described interlock board; Like this purpose of She Zhiing be to realize bottom gear promptly one, two, three, the interlocking between the gear of fourth gear, prevent random shelves, out of supply; The utility model is being with the cam return spring on the shift shaft between described gear shift swing arm and the gear shift case, the two ends of this cam return spring are by the reverse gear locking cam and the reverse gear locking cam return spring seat fixed limit that are arranged on the described shift shaft, the purpose of She Zhiing is to realize the interlocking between five grades and reverse gear gear like this, prevents random shelves, out of supply.
Above-mentioned interlock board is a horse shoe shaped; The both sides of described gear shift swing arm have aperture, and it is built-in with spring, and offset by the inwall of steel ball and described horse shoe shaped interlock board.
The utility model is with five reverse gear return springs on the shift shaft between described reverse gear locking cam and the described gear shift case, outside at this five reverse gears return spring is with the low speed return spring, described five reverse gear return springs, low speed return spring be provided with five reverse gear return spring abutments by the described shift shaft of described gear shift case end, the radial height of this five reverse gears return spring abutment is greater than the diameter of the five reverse gear return springs diameter less than the low speed return spring; The described shift shaft that is positioned at described five reverse gear return springs, the low speed return spring the other end is provided with low speed return spring abutment, and the radial height of this low speed return spring abutment is greater than the diameter of described low speed return spring abutment; Described five reverse gear return springs, low speed return spring, five reverse gear return spring abutments, low speed return spring abutment place in the spring return box that is connected with described gear shift box body, self-return after the purpose of She Zhiing is to realize replacing like this makes return accurately, reliably.
Above-mentioned gear shift swing arm, reverse gear locking cam and reverse gear locking cam return spring seat all are connected with described shift shaft by bearing pin.
Because the utility model all is arranged at gear shifting rotary arm, transposition pivoted arm on the described shift shaft, the car load selector device is realized the function of gear shift transposition by the drag-line control gear shifting rotary arm and the rotation of transposition pivoted arm, that is to say, drive the shift shaft rotation thereby drag-line rotates gear shifting rotary arm, the shift shaft rotating band is moved a grade swing arm rotation and is stirred the slip of reverse shift fork control synchro and realize gear shift; Thereby drag-line moves axially transposition pivoted arm rotation drive shift shaft slides the gear shift swing arm between the shelves fork, carry out the selection of gear, thereby realize replacing.On an axle, can realize changing axle and transposition, simple in structure, compact, gear shift is flexible.
To sum up, the utility model is compared with existing vehicle manual gearshift, to be located on the shift shaft together gear shifting rotary arm, transposition pivoted arm that gear shift, transposition are controlled respectively, and also increasing the interlocking between gear, the automatic resetting device after the transposition on this shift shaft, therefore, it is rational in infrastructure, compact, gear shift is flexible, accurately, not out of supply, disorderly shelves, transmission efficiency height, make also simultaneously that speed changer structure is small and exquisite a stronger suitability, the quality and the travelling comfort of gear shift are improved.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation;
Fig. 2 is the utility model embodiment's a outline drawing;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the utility model embodiment's a stereogram.
Embodiment
Referring to above-mentioned accompanying drawing, the gearshift mechanism of a kind of mechanical transmission of the utility model, comprise: gear shifting rotary arm 5, transposition pivoted arm 6, shift shaft 1, be arranged at the gear shift swing arm 3 on the shift shaft 1 and be placed in the gear shift case 11 that has oil sealing 21 on the shift shaft 1, this gear shift case 11 is fixed on the casing of speed changer, it is characterized in that: described gear shifting rotary arm 5, transposition pivoted arm 6 all are arranged on the described shift shaft 1.
Further referring to Fig. 3, the pivoted arm of above-mentioned gear shifting rotary arm 5 one ends cover 5a is placed on the described shift shaft 1, and is connected with described shift shaft 1 by bearing pin 15, the through hole opened on described pivoted arm cover 5a and shift shaft 1; Described pivoted arm cover 5a is provided with a circular groove in outer shroud week, this circular groove is made of the pivoted arm of the gear shifting rotary arm 5 that extends to pivoted arm cover 5a place and the annular boss 5b on the pivoted arm cover 5a, be built-in with the contiguous block 16 of a band groove at this circular groove, the one end riveted joint of described transposition pivoted arm 6 has a transpositing pin 12, this transpositing pin 12 places in the groove on the contiguous block 16, is connected with the pivoted arm cover 5a of described gear shifting rotary arm 5 one ends by transpositing pin 12, contiguous block 16; The middle part of described transposition pivoted arm 6 also is connected with described gear shift case 11 casings by transposition rotating shaft 13, link arm 14.
Be with horse shoe shaped interlock board 7 on the described shift shaft 1 of above-mentioned gear shift swing arm 3 both sides, the reverse shift fork 3a of described gear shift swing arm 3 stretches out from the opening of described horse shoe shaped interlock board 7; The both sides of described gear shift swing arm 3 have aperture, and it is built-in with spring 21, and offset by the inwall of steel ball 22 with described horse shoe shaped interlock board 7, and described gear shift swing arm 3 is connected with described shift shaft 1 by bearing pin 3b; On the shift shaft 1 between described gear shift swing arm 3 and the gear shift case 11, be with cam return spring 9, the two ends of this cam return spring 9 are by the reverse gear locking cam 2 and reverse gear locking cam return spring seat 10 fixed limits that are arranged on the described shift shaft 1, and this reverse gear locking cam 2 is connected with described shift shaft 1 by bearing pin 2a, 10a respectively with reverse gear locking cam return spring seat 10.
Be with five reverse gear return springs 4 on the shift shaft 1 between above-mentioned reverse gear locking cam 2 and the described gear shift case 11, outside at this five reverse gears return spring 4 is with low speed return spring 8, described five reverse gear return springs 4, low speed return spring 8 be provided with five reverse gear return spring abutments 17 by the described shift shaft 1 of described gear shift case 11 ends, the radial height of this five reverse gears return spring abutment 17 is greater than the diameter of five reverse gear return springs 4 diameter less than low speed return spring 8; The described shift shaft 1 that is positioned at described five reverse gear return springs 4, low speed return spring 8 the other ends is provided with low speed return spring abutment 18, and the radial height of this low speed return spring abutment 18 is greater than the diameter of described low speed return spring abutment 18; Described five reverse gear return springs 4, low speed return spring 8, five reverse gear return spring abutments 17, low speed return spring abutment 18 place in the spring return box 19, this spring return box 19 is placed on the described shift shaft 1, and is threaded with described gear shift case 11 casings by bolt 20.
The utility model embodiment's working procedure is:
In the time of one grade, selector device clockwise rotates transposition pivoted arm 6 by drag-line, thereby shift shaft 1 is moved down, and carries out gear and selects, and realizes transposition; Control gear shifting rotary arm 5 simultaneously shift shaft 1 clockwise rotated, thereby make gear shift swing arm 3 rotating bands move a grade shift fork 3a, so control one, the second gear synchronizer slides, and realizes one grade purpose.
During second gear, selector device clockwise rotates transposition pivoted arm 6 by drag-line, thereby shift shaft 1 is moved down, and carries out gear and selects, and realizes transposition; Control gear shifting rotary arm 5 simultaneously shift shaft 1 rotated counterclockwise, thereby make gear shift swing arm 3 rotating bands move a grade shift fork 3a, so control one, the second gear synchronizer slides, and realizes the purpose of second gear.
During third gear, selector device clockwise rotates shift shaft 1 by drag-line control gear shifting rotary arm 5, thereby makes gear shift swing arm 3 rotating bands move a grade shift fork 3a, so control three, the fourth gear synchronizer slides, and realizes the purpose of third gear.
During fourth gear, selector device rotates counterclockwise shift shaft 1 by drag-line control gear shifting rotary arm 5, thereby makes gear shift swing arm 3 rotating bands move a grade shift fork 3a, so control three, the fourth gear synchronizer slides, and realizes the purpose of fourth gear.
In the time of five grades, selector device rotates counterclockwise transposition pivoted arm 6 by drag-line, thereby shift shaft 1 is moved up, and carries out gear and selects, and realizes transposition; Control gear shifting rotary arm 5 simultaneously shift shaft 1 is clockwise rotated, thereby make gear shift swing arm 3 rotating bands move a grade shift fork 3a, and then the slip of control Five-gear synchronizer, realize five grades purpose.
During reverse gear, selector device rotates counterclockwise transposition pivoted arm 6 by drag-line, thereby shift shaft 1 is moved up, and carries out gear and selects, and realizes transposition; Control gear shifting rotary arm 5 simultaneously shift shaft 1 is rotated counterclockwise, thereby make gear shift swing arm 3 rotating bands move a grade shift fork 3a, and then the control reverse gear slides the purpose of realization reverse gear.
In the aforesaid operations process, when carrying out the bottom gear transposition, shift shaft 1 motion, the inwall of low speed return spring abutment 18 and spring return box 19 makes 8 compressive strains of low speed return spring to form the Hui Li of transposition; When carrying out the transposition of five reverse gears, shift shaft 1 motion, low speed return spring abutment 18 and five reverse gear return spring abutments 17 make 4 compressive strains of five reverse gear return springs to form the Hui Li of transposition.
Claims (7)
1, a kind of gearshift mechanism of mechanical transmission, comprise: gear shifting rotary arm (5), transposition pivoted arm (6), shift shaft (1), be arranged at the gear shift swing arm (3) on the shift shaft (1) and be placed in gear shift case (11) on the shift shaft (1), it is characterized in that: described gear shifting rotary arm (5), the pivoted arm (6) that replaces all are arranged on the described shift shaft (1).
2, the gearshift mechanism of mechanical transmission as claimed in claim 1, it is characterized in that: the pivoted arm cover (5a) of described gear shifting rotary arm (5) one ends is placed on the described shift shaft (1), and is connected with described shift shaft (1) by bearing pin (15), the through hole opened on described pivoted arm cover (5a) and shift shaft (1); The outer shroud week of described pivoted arm cover (5a) is provided with a circular groove, be built-in with the contiguous block (16) of a band groove at this circular groove, one end of described transposition pivoted arm (6) is connected with the pivoted arm cover (5a) of described gear shifting rotary arm (5) one ends by the contiguous block (16) of transpositing pin (12), band groove, and the middle part of described transposition pivoted arm (6) also is connected with described gear shift case (11) casing by transposition rotating shaft (13), link arm (14).
3, the gearshift mechanism of mechanical transmission as claimed in claim 2, it is characterized in that: be with interlock board (7) on the described shift shaft (1) of described gear shift swing arm (3) both sides, the reverse shift fork (3a) of described gear shift swing arm (3) stretches out from the opening of described interlock board (7); Be positioned on the shift shaft (1) between described gear shift swing arm (3) and the gear shift case (11) and be with cam return spring (9), the two ends of this cam return spring (9) are by the reverse gear locking cam (2) and reverse gear locking cam return spring seat (10) fixed limit that are arranged on the described shift shaft (1).
4, the gearshift mechanism of mechanical transmission as claimed in claim 3 is characterized in that: described interlock board (7) is a horse shoe shaped; The both sides of described gear shift swing arm (3) have aperture, and it is built-in with spring (21), and offset by the inwall of steel ball (22) with described horse shoe shaped interlock board (7).
5, gearshift mechanism as claim 3 or 4 described mechanical transmissions, it is characterized in that: be with five reverse gear return springs (4) on the shift shaft (1) between described reverse gear locking cam (2) and the described gear shift case (11), be with low speed return spring (8) in the outside of this five reverse gears return spring (4), described five reverse gear return springs (4), the described shift shaft (1) by described gear shift case (11) end of low speed return spring (8) is provided with five reverse gear return spring abutments (17), and the radial height of this five reverse gears return spring abutment (17) is greater than the diameter of five reverse gear return springs (4) diameter less than low speed return spring (8); The described shift shaft (1) that is positioned at described five reverse gear return springs (4), low speed return spring (8) the other end is provided with low speed return spring abutment (18), and the radial height of this low speed return spring abutment (18) is greater than the diameter of described low speed return spring abutment (18); In described five reverse gear return springs (4), low speed return spring (8), five reverse gear return spring abutments (17), low speed return spring abutment (18) places with described gear shift case (11) casing is connected the spring return box (19).
6, as the gearshift mechanism of claim 1,2,3 or 4 described mechanical transmissions, it is characterized in that: described gear shift swing arm (3), reverse gear locking cam (2) and reverse gear locking cam return spring seat (10) all are connected with described shift shaft (1) by bearing pin.
7, the gearshift mechanism of mechanical transmission as claimed in claim 5 is characterized in that: described gear shift swing arm (3), reverse gear locking cam (2) and reverse gear locking cam return spring seat (10) all are connected with described shift shaft (1) by bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520010206 CN2835715Y (en) | 2005-10-28 | 2005-10-28 | Gear Shifting mechanism for mechanical transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520010206 CN2835715Y (en) | 2005-10-28 | 2005-10-28 | Gear Shifting mechanism for mechanical transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2835715Y true CN2835715Y (en) | 2006-11-08 |
Family
ID=37300369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520010206 Expired - Lifetime CN2835715Y (en) | 2005-10-28 | 2005-10-28 | Gear Shifting mechanism for mechanical transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2835715Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865282A (en) * | 2010-06-30 | 2010-10-20 | 上海汽车变速器有限公司 | Reverse-gear pull-pin gear shift system with function of linkage of self-locking and interlocking |
| CN102537323A (en) * | 2012-01-16 | 2012-07-04 | 浙江吉利汽车研究院有限公司 | Gear selecting and shifting mechanism of automotive transmission |
| CN106286793A (en) * | 2015-05-28 | 2017-01-04 | 长城汽车股份有限公司 | Gear shift mechanism, gear-shifting rocker arm and the vibration absorber for gear-shifting rocker arm |
-
2005
- 2005-10-28 CN CN 200520010206 patent/CN2835715Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865282A (en) * | 2010-06-30 | 2010-10-20 | 上海汽车变速器有限公司 | Reverse-gear pull-pin gear shift system with function of linkage of self-locking and interlocking |
| CN101865282B (en) * | 2010-06-30 | 2013-07-24 | 上海汽车变速器有限公司 | Reverse-gear pull-pin gear shift system with function of linkage of self-locking and interlocking |
| CN102537323A (en) * | 2012-01-16 | 2012-07-04 | 浙江吉利汽车研究院有限公司 | Gear selecting and shifting mechanism of automotive transmission |
| CN102537323B (en) * | 2012-01-16 | 2015-06-10 | 浙江吉利汽车研究院有限公司 | Gear selecting and shifting mechanism of automotive transmission |
| CN106286793A (en) * | 2015-05-28 | 2017-01-04 | 长城汽车股份有限公司 | Gear shift mechanism, gear-shifting rocker arm and the vibration absorber for gear-shifting rocker arm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA SOUTHERN INDUSTRIAL AUTOMOTIVE COMPANY Free format text: FORMER OWNER: QINGSHAN IND CO LTD, CHONGQING Effective date: 20061201 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20061201 Address after: Beijing City, Haidian District Zizhuyuan Road 100089 Lane West Ditch Building No. 10 hospital - 4 Patentee after: China Southern Industrial automobile Limited by Share Ltd Address before: 402761 651 mailbox, green bar town, Bishan County, Chongqing Patentee before: Qingshan Industry Co., Ltd., Chongqing |
|
| CX01 | Expiry of patent term |
Granted publication date: 20061108 |
|
| EXPY | Termination of patent right or utility model |