CN110966405A - Special integrated gear shifting control mechanism for front and rear split-shell transmission - Google Patents
Special integrated gear shifting control mechanism for front and rear split-shell transmission Download PDFInfo
- Publication number
- CN110966405A CN110966405A CN201911385662.4A CN201911385662A CN110966405A CN 110966405 A CN110966405 A CN 110966405A CN 201911385662 A CN201911385662 A CN 201911385662A CN 110966405 A CN110966405 A CN 110966405A
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- China
- Prior art keywords
- fork shaft
- fork
- interlocking
- gear shifting
- shaft seat
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Classifications
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- 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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/36—Interlocking devices
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- 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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a special integrated gear shifting control mechanism for a front-rear split-shell transmission, belonging to the technical field of new energy vehicle transmissions and comprising a gear shifting fork, a fork shaft and a fork shaft seat; the gear shifting fork is fixed on the fork shaft, cylindrical interlocking grooves are machined in one end of each fork shaft and inserted into the fork shaft seat, a fork shaft hole is formed in the front face of the fork shaft seat and used for inserting the fork shaft, interlocking through holes are formed in the side face of the fork shaft seat and run through the fork shaft hole, two interlocking steel balls are placed between every two fork shafts after the fork shafts are installed in the fork shaft holes of the fork shaft seat, and one end of each interlocking steel ball is located in the interlocking groove; the top surface of the fork shaft seat is also provided with a self-locking hole. The control mechanism integrates multiple fork shafts into a whole through the fork shaft seat, integrates the functions of self-locking, interlocking and the like through the special hole groove design structure on the fork shaft seat, and has the advantages of simple structure, lower cost, lighter weight and easy realization of mechanical automatic assembly production.
Description
Technical Field
The invention belongs to the technical field of new energy vehicle transmissions, and particularly relates to a special integrated gear shifting control mechanism for a front-rear split-shell transmission.
Background
At present, the gear shifting control mechanism of the front and rear split-shell transmission of the new energy vehicle at home and abroad is characterized in that all fork shafts are dispersedly arranged in a front shell and a rear shell. It has three disadvantages: 1. when the structure is designed, the interlocking mechanism is complex and difficult to arrange; 2. when the assembly is assembled, all the fork shafts need to be respectively installed on a shaft system, and then the front shell and the rear shell of the transmission are installed, so that the assembly is complex, the assembly difficulty is high, and the mechanical automatic assembly is not easy to realize; although some structures and patents appear at home and abroad to partially solve the problems, the structures are complex, the processing or assembling difficulty is high, the cost is high, and the like. Therefore, the invention of the special low-cost and integrated transmission gear-shifting control mechanism for the front and rear split-shell transmission has important significance.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a special integrated gear shifting control mechanism for a front-rear split-shell transmission. A shifting fork guide block of the gear shifting control mechanism is arranged on a fork shaft through an elastic pin, three fork shafts are arranged in a fork shaft seat, an interlocking groove is formed in each fork shaft, interlocking is realized by moving and extruding the fork shafts through an interlocking steel ball and an interlocking pin, a self-locking steel ball is simultaneously arranged in the fork shaft seat, and a self-locking spring is fixed through a clamping ring to provide self-locking force. In addition, the fork shaft seat is provided with a positioning pin which plays a positioning role when the whole fork shaft seat is installed and fixed on the shell. The operating mechanism is highly integrated, simple in structure, low in cost, light in weight and easy to produce.
The invention is realized by the following technical scheme:
an integrated gear shifting control mechanism special for a front-rear split-shell transmission comprises three gear shifting forks, three fork shafts and a fork shaft seat; the three gear shifting forks are respectively a first gear shifting fork 1, a second gear shifting fork 2 and a third gear shifting fork 3 from left to right, the three fork shafts are respectively a first fork shaft 4, a second fork shaft 5 and a third fork shaft 6 from left to right, the three gear shifting forks are respectively fixed on the three fork shafts, one ends of the three fork shafts are respectively processed with cylindrical interlocking grooves and are respectively inserted into a fork shaft seat 9, the front side of the fork shaft seat 9 is provided with three fork shaft holes which are respectively used for inserting the three fork shafts, the side surface of the fork shaft seat 9 is provided with interlocking through holes 901 which run through the three fork shaft holes, after the fork shafts are arranged in the fork shaft holes of the fork shaft seat 9, two interlocking steel balls are placed between every two fork shafts, and one end of each interlocking steel ball is positioned in the interlocking groove; the top surface of the fork shaft seat 9 is also provided with three self-locking holes, and a self-locking steel ball, a self-locking spring, a flat washer and a snap ring are sequentially arranged in the self-locking holes.
Furthermore, the shifting fork is fixed on the fork shaft through an outer elastic pin and is fastened and fixed through an inner elastic pin, the inner elastic pin and the outer elastic pin are sleeved together, and openings are staggered.
Furthermore, a first guide block 7 and a second guide block 8 are respectively arranged on the first fork shaft 4 and the second fork shaft 5, the first guide block 7 and the second guide block 8 are fixed on the first fork shaft 4 and the second fork shaft 5 through outer elastic pins and are fastened and fixed through inner elastic pins, the inner elastic pins and the outer elastic pins are sleeved together, and openings are staggered.
Further, the interlocking groove 401 on the first fork shaft 4 is arranged on the right side, the interlocking grooves (501, 502) on the second fork shaft 5 are arranged on both sides, and the interlocking groove 601 on the third fork shaft 6 is arranged on the left side; an interlocking pin hole 503 is arranged between the two interlocking grooves (501, 502) of the second fork shaft 5; the interlocking pin holes 503 are used for placing interlocking pins.
Furthermore, a clamping ring groove is formed above the self-locking hole and used for fixing and limiting the clamping ring.
Furthermore, the back of the fork shaft seat 9 is provided with a positioning pin which plays a positioning role when the whole fork shaft seat is fixedly arranged on the shell.
Compared with the prior art, the invention has the following advantages:
the integrated control mechanism integrates multiple fork shafts into a whole through the fork shaft seat, integrates the functions of self-locking, interlocking and the like through the special hole groove design structure on the fork shaft seat, and has the advantages of simple structure, lower cost, lighter weight and easy realization of mechanical automatic assembly production.
Drawings
FIG. 1 is a three-dimensional perspective view of a steering mechanism according to the present invention;
FIG. 2 is a front cross-sectional view of the steering mechanism of the present invention;
fig. 3 is a sectional view a-a shown in fig. 2.
In the figure: the gear shifting fork comprises a first gear shifting fork 1, a second gear shifting fork 2, a third gear shifting fork 3, a first fork shaft 4, a second fork shaft 5, a third fork shaft 6, a first guide block 7, a second guide block 8, a fork shaft seat 9, an inner elastic pin (41, 43, 51, 53, 61), an outer elastic pin (42, 44, 52, 54, 62), an interlocking pin 93, interlocking steel balls (91, 92, 94, 95), self-locking steel balls (46, 56, 66), self-locking springs (47, 57, 67), flat washers (48, 58, 68), snap rings (49, 59, 69) and positioning pins (96, 97).
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Example 1
As shown in fig. 1, 2 and 3, a special integrated gear shifting control mechanism for a front-rear split-case transmission comprises three gear shifting forks (a first gear shifting fork 1, a second gear shifting fork 2 and a third gear shifting fork 3), three fork shafts (a first fork shaft 4, a second fork shaft 5 and a third fork shaft 6), two guide blocks, a fork shaft seat 9, five inner elastic pins (41, 43, 51, 53 and 61), five outer elastic pins (42, 44, 52, 54 and 62), an interlocking pin 93, four interlocking steel balls (91, 92, 94 and 95), three self-locking steel balls (46, 56 and 66), three self-locking springs (47, 57 and 67), three flat washers (48, 58 and 68), three snap rings (49, 59 and 69), and two positioning pins (96 and 97); the three shifting forks are respectively installed on corresponding positions of the fork shafts through outer elastic pins (42, 52 and 62) and are fastened and fixed by inner elastic pins (41, 51 and 61), and openings are required to be staggered when the inner elastic pins and the outer elastic pins are installed. The two guide blocks (the first guide block 7 and the second guide block 8) are respectively arranged on the corresponding positions of the first fork shaft 4 and the second fork shaft 5 through outer elastic pins (44 and 54) and are fastened and fixed by inner elastic pins (43 and 53), and openings are required to be staggered when the inner elastic pins and the outer elastic pins are arranged. Cylindrical interlocking grooves are processed at one ends of the three fork shafts, wherein the interlocking grooves (501, 502) of the second fork shaft 5 are arranged on two sides, the interlocking groove 401 of the first fork shaft 4 is arranged on the left side, the interlocking groove 601 of the third fork shaft 6 is arranged on the right side, and an interlocking pin hole 503 is further processed on the second fork shaft 5, and the interlocking pin hole 503 is a through interlocking groove (501, 502); the front surface of the fork shaft seat 9 is provided with three fork shaft holes which are respectively used for inserting three fork shafts, the side surface of the fork shaft seat 9 is provided with an interlocking through hole 901 which penetrates through the three fork shaft holes, after the fork shafts are arranged in the fork shaft holes of the fork shaft seat 9, two interlocking steel balls are placed between every two fork shafts, and one end of each interlocking steel ball is positioned in an interlocking groove; the top surface of the fork shaft seat 9 is also provided with three self-locking holes, and a self-locking steel ball, a self-locking spring, a flat washer and a snap ring are sequentially arranged in the self-locking holes; a clamping ring groove is formed above the self-locking hole and used for fixing and limiting a clamping ring; the back of the fork shaft seat 9 is provided with a positioning pin which plays a positioning role when the whole fork shaft seat is fixedly arranged on the shell.
The invention discloses an installation process of a special integrated gear shifting control mechanism for a front-rear split-shell transmission, which comprises the following steps:
firstly, a first fork shaft 4 is arranged in a fork shaft hole 902 of a fork shaft seat 9, an interlocking groove 401 is arranged rightwards, interlocking steel balls (91 and 92) are arranged, then a second fork shaft 5 is arranged in a fork shaft hole 903 of the fork shaft seat 9, interlocking pins 93 and interlocking steel balls (94 and 95) are sequentially arranged, and finally a third fork shaft 6 is arranged in a fork shaft hole 904 of the fork shaft seat 9; when the gear is shifted, any fork shaft moves, the steel ball contacted with the fork shaft can be separated from the interlocking groove on the fork shaft, and meanwhile, other steel balls are extruded to be tightly pressed into the interlocking grooves of other fork shafts, so that the interlocking is realized. The self-locking steel ball 46, the self-locking spring 47 and the flat washer 48 are sequentially placed into the self-locking hole 905 of the fork shaft seat 9, then the snap ring 49 is arranged in the snap ring groove, the self-locking spring 47 is extruded to form initial working pressure, the self-locking function is realized, and the self-locking function of the other two fork shafts is realized similarly. The fork shaft seat 9 is provided with positioning pins (96, 97) which play a role in positioning when the whole body is fixedly arranged on the shell.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (6)
1. An integrated gear shifting control mechanism special for a front-rear split-shell transmission is characterized by comprising three gear shifting forks, three fork shafts and a fork shaft seat; the three gear shifting forks are respectively a first gear shifting fork (1), a second gear shifting fork (2) and a third gear shifting fork (3) from left to right, the three fork shafts are respectively a first fork shaft (4), a second fork shaft (5) and a third fork shaft (6) from left to right, the three gear shifting forks are respectively fixed on the three fork shafts, cylindrical interlocking grooves are respectively processed at one ends of the three fork shafts and are respectively inserted into a fork shaft seat (9), three fork shaft holes are formed in the front of the fork shaft seat (9) and are respectively used for inserting the three fork shafts, interlocking through holes (901) are formed in the side surface of the fork shaft seat (9) and penetrate through the three fork shaft holes, after the fork shafts are arranged in the fork shaft holes of the fork shaft seat (9), two interlocking steel balls are placed between every two fork shafts, and one end of each interlocking steel ball is positioned in the interlocking groove; the top surface of the fork shaft seat (9) is also provided with three self-locking holes, and a self-locking steel ball, a self-locking spring, a flat washer and a snap ring are sequentially arranged in the self-locking holes.
2. The special integrated gear shifting operating mechanism for the front and rear split-shell transmission as claimed in claim 1, wherein the gear shifting fork is fixed on the fork shaft through an outer elastic pin and is fastened and fixed through an inner elastic pin, the inner elastic pin and the outer elastic pin are sleeved together, and openings are staggered.
3. The special integrated gear shifting control mechanism for the front and rear split case transmission as recited in claim 1, wherein the first fork shaft (4) and the second fork shaft (5) are respectively provided with a first guide block (7) and a second guide block (8), the first guide block (7) and the second guide block (8) are fixed on the first fork shaft (4) and the second fork shaft (5) through an external elastic pin and are fastened and fixed through an internal elastic pin, the internal elastic pin and the external elastic pin are sleeved together, and openings are staggered.
4. The special integrated gear shifting operating mechanism for the front and rear split case transmission as recited in claim 1, wherein the interlocking groove (401) on the first fork shaft (4) is arranged on the right side, the interlocking grooves (501, 502) on the second fork shaft (5) are arranged on both sides, and the interlocking groove (601) on the third fork shaft (6) is arranged on the left side; an interlocking pin hole (503) is formed between the two interlocking grooves (501, 502) of the second fork shaft (5); the interlocking pin hole (503) is used for placing an interlocking pin.
5. The special integrated gear shifting operating mechanism for the front-rear split-case transmission as claimed in claim 1, wherein a snap ring groove is arranged above the self-locking hole and used for fixing and limiting the snap ring.
6. The special integrated gear shifting control mechanism for the front and rear split-case transmission as claimed in claim 1, wherein the back of the fork shaft seat (9) is provided with a positioning pin for positioning when integrally and fixedly mounted on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911385662.4A CN110966405A (en) | 2019-12-29 | 2019-12-29 | Special integrated gear shifting control mechanism for front and rear split-shell transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911385662.4A CN110966405A (en) | 2019-12-29 | 2019-12-29 | Special integrated gear shifting control mechanism for front and rear split-shell transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110966405A true CN110966405A (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911385662.4A Pending CN110966405A (en) | 2019-12-29 | 2019-12-29 | Special integrated gear shifting control mechanism for front and rear split-shell transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110966405A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2523635Y (en) * | 2002-01-22 | 2002-12-04 | 山东五征农用车有限公司 | Locker for shift fork of linked rear axle gear box |
| CN102494129A (en) * | 2011-12-19 | 2012-06-13 | 綦江齿轮传动有限公司 | Self-locking and interlocking mechanism for cylindrical shell speed changer |
| CN204164334U (en) * | 2014-09-23 | 2015-02-18 | 中国第一汽车股份有限公司 | A kind of shifter of transmission |
| CN104712756A (en) * | 2015-03-04 | 2015-06-17 | 中国第一汽车股份有限公司 | Transmission shifting mechanism assembly |
| CN105276175A (en) * | 2015-11-03 | 2016-01-27 | 东风商用车有限公司 | Multiaxial self-locking interlocking device |
| CN107218392A (en) * | 2017-06-16 | 2017-09-29 | 陕西法士特齿轮有限责任公司 | A kind of scope shelves interlock and operating method |
| WO2018136842A1 (en) * | 2017-01-20 | 2018-07-26 | Eaton Corporation | Transmission shift assembly having self-contained interlock block arrangement |
-
2019
- 2019-12-29 CN CN201911385662.4A patent/CN110966405A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2523635Y (en) * | 2002-01-22 | 2002-12-04 | 山东五征农用车有限公司 | Locker for shift fork of linked rear axle gear box |
| CN102494129A (en) * | 2011-12-19 | 2012-06-13 | 綦江齿轮传动有限公司 | Self-locking and interlocking mechanism for cylindrical shell speed changer |
| CN204164334U (en) * | 2014-09-23 | 2015-02-18 | 中国第一汽车股份有限公司 | A kind of shifter of transmission |
| CN104712756A (en) * | 2015-03-04 | 2015-06-17 | 中国第一汽车股份有限公司 | Transmission shifting mechanism assembly |
| CN105276175A (en) * | 2015-11-03 | 2016-01-27 | 东风商用车有限公司 | Multiaxial self-locking interlocking device |
| WO2018136842A1 (en) * | 2017-01-20 | 2018-07-26 | Eaton Corporation | Transmission shift assembly having self-contained interlock block arrangement |
| CN107218392A (en) * | 2017-06-16 | 2017-09-29 | 陕西法士特齿轮有限责任公司 | A kind of scope shelves interlock and operating method |
Non-Patent Citations (1)
| Title |
|---|
| 劳动和社会保障部教材办公室组织: "《汽车修理技术 初级》", 31 May 2000, 北京：中国劳动社会保障出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200407 |