CN202579998U - Gear selecting and changing device of automobile speed changer - Google Patents

Gear selecting and changing device of automobile speed changer Download PDF

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Publication number
CN202579998U
CN202579998U CN 201220124836 CN201220124836U CN202579998U CN 202579998 U CN202579998 U CN 202579998U CN 201220124836 CN201220124836 CN 201220124836 CN 201220124836 U CN201220124836 U CN 201220124836U CN 202579998 U CN202579998 U CN 202579998U
Authority
CN
China
Prior art keywords
gearshift
block selecting
block
axle
selecting
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.)
Expired - Fee Related
Application number
CN 201220124836
Other languages
Chinese (zh)
Inventor
赵静
陈勇
罗大国
赵福全
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Geely Holding Group Co Ltd, Zhejiang Geely Automobile Research Institute Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN 201220124836 priority Critical patent/CN202579998U/en
Application granted granted Critical
Publication of CN202579998U publication Critical patent/CN202579998U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a gear selecting and changing device of an automobile speed changer, belongs to the technical field of automobiles, and is used for solving the problems that as a gear selecting and changing shaft and a gear change forked axle of the traditional gear selecting and changing device of the automobile speed changer are verticality arranged, the occupied space is larger and the universality is not high. The gear selecting and changing device is arranged in the shell of the speed changer, a gear change forked axle is arranged in the shell of the speed changer, and a shifting yoke and a yoke jaw are arranged on the gear change forked axle. The gear selecting and changing device comprises a gear selecting shaft and a gear change shaft which are arranged parallel to the gear change forked axle, wherein a gear selecting rotation block is fixedly connected with the gear selecting shaft; a gear change sliding block is circumferentially positioned on the gear change shaft; a transmission mechanism, by which the gear change sliding block is driven to slide when the gear selecting rotation block rotates, is arranged between the gear selecting rotation block and the gear change sliding block; and a plurality of gear change fingers capable of being connected with the fork jaw are arranged on the gear change sliding block. The gear change shaft and the gear selecting shaft of the gear selecting and changing device of the automobile speed changer are arranged parallel to the gear change forked axle; and due to the reasonable arrangement of the gear change shaft and the gear selecting shaft, the room in the shell of the speed changer is saved.

Description

A kind of block selecting gearshift of automotive transmission
Technical field
The utility model belongs to automobile technical field, relates to the block selecting gearshift of a kind of speed changer, particularly a kind of automotive transmission.
Background technique
Speed changer is arranged on the automobile, is used to change the velocity ratio of output shaft and input shaft.Select gearshift to be arranged in the housing of speed changer; Gearshift is selected in the outside fastener device pulling of speed changer; Refer to drive the selector fork device by the gearshift of selecting gearshift and realize gearshift; Starting to walk, quicken, go and overcoming under the different driving conditions such as different kinds of roads obstruction the needs of driving wheel tractive force and speed of a motor vehicle demands of different to adapt to, cable arrangement comprises block selecting drag-line and gearshift drag-line.
For example, Chinese patent [application number ZL200820174569.X; Publication number CN201284826Y] a kind of block selecting automotive transmission is clearly disclosed, its structure comprises case of transmission, is provided with one, two, jack shaft and gearshift in the case of transmission; Be disposed with four, five retaining synchronizer assemblies on two, five retaining gears, three retaining gears; One, three retaining synchronizer assemblies; Second gear, first gear, engagement cover and reverse gear reverse gear; Be disposed with the jack shaft second gear on the jack shaft, jack shaft three retaining gears, countershaft fifth speed gear and commonly engaged gear; Be provided with the return spring assembly that reverses gear in the gearshift, lock sleeve, the block selecting feel is brushed lightly spring, gearshift shifting block and four, five retaining return spring assemblies; Also be provided with the idle pulley that reverses gear in the case of transmission.Shown in patent specification accompanying drawing 1 and accompanying drawing 2, arrange vertical of the choosing of this automotive transmission gearshift axle with shift rod.
Above-mentioned a kind of block selecting automotive transmission block selecting clearly is clear, and still, the problem that this automotive transmission exists is that choosing gearshift axle is vertical with shift rod arranges that occupation space is bigger, and the versatility of gearshift is not high.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed a kind of block selecting gearshift of automotive transmission, and the technical problem that the utility model solves is to make block selecting gearshift occupation space little, improves the versatility of block selecting gearshift.
The purpose of the utility model can realize through following technical proposal: a kind of block selecting gearshift of automotive transmission; This block selecting gearshift is arranged in the case of transmission; Be provided with shift rod in the case of transmission; Shift rod is provided with shift fork and fork pawl; This block selecting gearshift comprises the block selecting axle and gearshift axle that laterally arranges with shift rod, is fixed with the block selecting switch block on the described block selecting axle, and circumferentially locating on the described gearshift axle has shift carriage; Be provided with between described block selecting switch block and the shift carriage when block selecting switch block is rotated and drive the driving mechanism that shift carriage slides, described shift carriage is provided with several and can refers to the gearshift that described fork pawl links to each other.
The working principle of the block selecting gearshift of this automotive transmission is: when the driver accomplishes block selecting gearshift action; Block selecting drag-line pulling block selecting axle rotates; The block selecting switch block endwisely slips along the gearshift axle along with the rotation of block selecting axle and through driving mechanism drive shift carriage, and the gearshift on the shift carriage refers to snap in the interior realization of the groove block selecting of corresponding fork pawl; The drag-line of shifting gears drives the gearshift axle and rotates, and shift carriage rotates with the axle of shifting gears, and gearshift refers to that stirring the synchronizer gear ring through fork pawl drive shift fork realizes gearshift.
In the block selecting gearshift of above-mentioned automotive transmission; Described shift carriage both sides are provided with locating stud; Described locating stud is connected with gearshift axle mutually, and the two end part of described shift carriage have and above-mentioned alignment pin position and shape slot to make way one to one.When shift carriage endwisely slipped along the block selecting axle, the locating stud of the corresponding side of glide direction snapped in the slot to make way, and position-limiting action is played in the slip of shift carriage.
In the block selecting gearshift of above-mentioned automotive transmission, be fixed with on the described block selecting axle and be used for the block selecting arm that links to each other with the block selecting drag-line, be fixed with on the described gearshift axle and be used for the gear arm that links to each other with the gearshift drag-line.The block selecting axle links to each other with the block selecting drag-line through the block selecting arm, and the gearshift axle links to each other with the gearshift drag-line through gear arm.
In the block selecting gearshift of above-mentioned automotive transmission; Described driving mechanism comprises the shifting block that is circular arc, and described shifting block links to each other with case of transmission through rotating shaft, and shifting block can rotate around the axis; On the described shift carriage chute is set; Described block selecting switch block is provided with push rod, and an end of described shifting block links to each other with above-mentioned push rod, and the other end of described shifting block snaps in the above-mentioned chute; And push rod promotion shifting block rotates around the axis when the block selecting switch block rotates, and shifting block slides and drives shift carriage along chute and endwisely slips along the gearshift axle.Can drive shift carriage when the block selecting switch block being rotated and slide, and then make gearshift refer to engage the realization block selecting with the fork pawl through driving mechanism.
In the block selecting gearshift of above-mentioned automotive transmission, described block selecting shaft end is processed with outside thread, and described block selecting arm is connected with described block selecting axle through nut mutually; Described gearshift shaft end is processed with outside thread, and described gear arm is connected with described gearshift axle through nut mutually.Gear arm is reliable with being connected of block selecting arm, and is easy for installation.
In the block selecting gearshift of above-mentioned automotive transmission, described block selecting axle and block selecting switch block are connected through cotter pin.The block selecting axle can drive the block selecting switch block and rotate.
In the block selecting gearshift of above-mentioned automotive transmission, described gearshift axle and shift carriage are circumferentially located through spline.The gearshift axle can drive shift carriage and rotate, and shift carriage can endwisely slip along the gearshift axle.
In the block selecting gearshift of above-mentioned automotive transmission, the quantity that described gearshift refers to is 2.
In the block selecting gearshift of above-mentioned automotive transmission, described gearshift refers to lay respectively at the two end part of shift carriage.The gearshift axle can be stirred shift fork and accomplish shift process.
In the block selecting gearshift of above-mentioned automotive transmission, described gearshift axle and block selecting axle all link through bearing and case of transmission.Gearshift axle and block selecting axle easy to assembly.
Compared with prior art, the block selecting gearshift of this automotive transmission:
1, the gearshift axle of the block selecting gearshift of this automotive transmission and block selecting axle all laterally arrange with shift rod, and the connection and reasonable arrangement of gearshift axle and block selecting axle has been saved the space in the case of transmission.
2, conversion can be carried out according to the assembling needs of reality in the mounting point of the gearshift axle of the block selecting gearshift of this automotive transmission and block selecting axle, and versatility is good.
Drive shift carriage through shifting block when 3, the block selecting switch block of the block selecting gearshift of this automotive transmission rotates and slide, drive mechanism is simple.
Description of drawings
Fig. 1 is the structural representation of the block selecting gearshift of this automotive transmission.。
Among the figure, 1, the block selecting axle; 1a, block selecting arm; 2, gearshift axle; 2a, gear arm; 3, block selecting switch block; 3a, push rod; 4, shift carriage; 4a, slot to make way; 4b, chute; 5, locating stud; 6, shifting block; 7, rotating shaft; 8, cotter pin; 9, gearshift refers to; 10, nut.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technological scheme of the utility model is done further to describe, but the utility model is not limited to these embodiments.
Speed changer comprises case of transmission and the shift rod that is arranged in the case of transmission, and shift rod is provided with shift fork and fork pawl.The block selecting gearshift of this automotive transmission is arranged in the case of transmission, is used to realize the block selecting and the shift process of speed changer.The block selecting gearshift of this automotive transmission comprises that block selecting axle 1, gearshift axle 2, block selecting switch block 3, shift carriage 4, gearshift refer to 9 and driving mechanism.
Specifically, as shown in Figure 1, block selecting axle 1 all laterally arranges with shift rod with gearshift axle 2, and block selecting axle 1 all links through bearing and case of transmission with gearshift axle 2.Block selecting switch block 3 is fixed on the block selecting axle 1 through cotter pin 8, and shift carriage 4 is through spline and gearshift axle 2 axially locating.Gearshift refers to that 9 are connected in the two end part of shift carriage 4 respectively, and in the present embodiment, gearshift refers to that 9 quantity is 2.
Block selecting axle 1 end is processed with outside thread, and the end of block selecting axle 1 is fixed with block selecting arm 1a through nut 10, and the block selecting drag-line is connected block selecting arm 1a and goes up also and can drive 1 rotation of block selecting axle through block selecting arm 1a; Gearshift axle 2 ends are processed with outside thread, and the end of gearshift axle 2 is fixed with gear arm 2a through nut 10, and gear arm 2a links to each other with the gearshift drag-line, and the gearshift drag-line can drive gearshift axle 2 through gear arm 2a and rotate.
Driving mechanism is arranged between block selecting switch block 3 and the shift carriage 4, is used for when block selecting switch block 3 rotates, driving shift carriage 4 and slides, and driving mechanism comprises shifting block 6, push rod 3a and chute 4b, and shifting block 6 links to each other with case of transmission through rotating shaft 7 and can 7 rotate around the shaft.Push rod 3a is connected on the block selecting switch block 3, has the draw-in groove that supplies push rod 3a to snap on the shifting block 6.Chute 4b is positioned on the shift carriage 4, and an end of shifting block 6 links to each other with above-mentioned push rod 3a, and the other end snaps in the above-mentioned chute 4b.Push rod 3a promotion shifting block 67 rotates around the shaft when block selecting switch block 3 rotates, and shifting block 6 slides and drives shift carriage 4 along chute 4b and endwisely slips along the axle 2 of shifting gears.
Shift carriage 4 both sides are provided with locating stud 5, and locating stud 5 is connected with gearshift axle 2 mutually.The two end part of shift carriage 4 offer locating stud 5 positions and shape slot to make way 4a one to one, and when shift carriage 4 endwisely slipped along block selecting axle 1, the locating stud 5 of the corresponding side of glide direction snapped in the slot to make way 4a, and position-limiting action is played in the slip of shift carriage 4.
The working principle of the block selecting gearshift of this automotive transmission is: the driver grasps when accomplishing block selecting gearshift action; The block selecting drag-line drives block selecting axle 1 and rotates; Block selecting switch block 3 is along with block selecting axle 1 rotates; Push rod 3a stirs shifting block 6 and 7 turns over certain angle around the shaft, slides in chute 4b and stir shift carriage 4 edge gearshift axles and endwisely slip in the end of push rod 3a, and the gearshift on the shift carriage 4 refers to that 9 snap in the interior realization of the groove block selecting of corresponding fork pawl; The gearshift drag-line drives gearshift axle 2 and rotates, and shift carriage 4 rotates with gearshift axle 2, and gearshift refers to that 9 drive shift fork through the fork pawl and stir the synchronizer gear ring and realize gearshift.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
The possibility of using other term do not got rid of in terms such as block selecting axle 1, block selecting arm 1a, gearshift axle 2, gear arm 2a, block selecting switch block 3, push rod 3a, shift carriage 4, slot to make way 4a, chute 4b, locating stud 5, shifting block 6, rotating shaft 7, cotter pin 8, gearshift refer to 9 although this paper has used morely, nut 10.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.

Claims (10)

1. the block selecting gearshift of an automotive transmission; This block selecting gearshift is arranged in the case of transmission; Be provided with shift rod in the case of transmission; Shift rod is provided with shift fork and fork pawl, it is characterized in that, this block selecting gearshift comprises block selecting axle (1) and the gearshift axle (2) that laterally arranges with shift rod; Be fixed with block selecting switch block (3) on the described block selecting axle (1); Described gearshift axle (2) is gone up circumferentially to locate has shift carriage (4), is provided with between described block selecting switch block (3) and the shift carriage (4) when block selecting switch block (3) is rotated and drives the driving mechanism that shift carriage (4) slides, and described shift carriage (4) is provided with several can refer to (9) with the gearshift that described fork pawl links to each other.
2. the block selecting gearshift of automotive transmission according to claim 1; It is characterized in that; Described shift carriage (4) both sides are provided with locating stud (5); Described locating stud (5) is connected with gearshift axle (2) mutually, and the two end part of described shift carriage (4) have and above-mentioned locating stud (5) position and shape slot to make way (4a) one to one.
3. the block selecting gearshift of automotive transmission according to claim 1; It is characterized in that; Be fixed with on the described block selecting axle (1) and be used for the block selecting arm (1a) that links to each other with the block selecting drag-line, be fixed with on the described gearshift axle (2) and be used for the gear arm (2a) that links to each other with the gearshift drag-line.
4. according to the block selecting gearshift of claim 1 or 2 or 3 described automotive transmissions; It is characterized in that; Described driving mechanism comprises the shifting block (6) that is circular arc, and described shifting block (6) links to each other with case of transmission through rotating shaft (7), and shifting block (6) (7) rotation around the shaft; Chute (4b) is set on the described shift carriage (4); Described block selecting switch block (3) is provided with push rod (3a), and an end of described shifting block (6) links to each other with above-mentioned push rod (3a), and the other end of described shifting block (6) snaps in the above-mentioned chute (4b); And push rod (3a) promotes shifting block (6) (7) rotation around the shaft when block selecting switch block (3) rotates, and shifting block (6) slides and drives shift carriage (4) along chute (4b) and endwisely slips along gearshift spool (2).
5. the block selecting gearshift of automotive transmission according to claim 3 is characterized in that, described block selecting axle (1) end is processed with outside thread, and described block selecting arm (1a) is connected with described block selecting axle (1) through nut (10) mutually; Described gearshift axle (2) end is processed with outside thread, and described gear arm (2a) is connected with described gearshift axle (2) through nut (10) mutually.
6. according to the block selecting gearshift of claim 1 or 2 or 3 described automotive transmissions, it is characterized in that described block selecting axle (1) and block selecting switch block (3) are connected through cotter pin (8).
7. according to the block selecting gearshift of claim 1 or 2 or 3 described automotive transmissions, it is characterized in that described gearshift axle (2) and shift carriage (4) are circumferentially located through spline.
8. according to the block selecting gearshift of claim 1 or 2 or 3 described automotive transmissions, it is characterized in that described gearshift refers to that the quantity of (9) is 2.
9. the block selecting gearshift of automotive transmission according to claim 8 is characterized in that, described gearshift refers to that (9) lay respectively at the two end part of shift carriage (4).
10. according to the block selecting gearshift of claim 1 or 2 or 3 described automotive transmissions, it is characterized in that described gearshift axle (2) and block selecting axle (1) all link through bearing and case of transmission.
CN 201220124836 2012-03-29 2012-03-29 Gear selecting and changing device of automobile speed changer Expired - Fee Related CN202579998U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220124836 CN202579998U (en) 2012-03-29 2012-03-29 Gear selecting and changing device of automobile speed changer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220124836 CN202579998U (en) 2012-03-29 2012-03-29 Gear selecting and changing device of automobile speed changer

Publications (1)

Publication Number Publication Date
CN202579998U true CN202579998U (en) 2012-12-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220124836 Expired - Fee Related CN202579998U (en) 2012-03-29 2012-03-29 Gear selecting and changing device of automobile speed changer

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104590016A (en) * 2014-12-23 2015-05-06 安徽江淮汽车股份有限公司 Automobile gear shifting structure
CN107023673A (en) * 2015-12-15 2017-08-08 现代岱摩斯 Gearshift for vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104590016A (en) * 2014-12-23 2015-05-06 安徽江淮汽车股份有限公司 Automobile gear shifting structure
CN107023673A (en) * 2015-12-15 2017-08-08 现代岱摩斯 Gearshift for vehicle
CN107023673B (en) * 2015-12-15 2019-04-05 现代岱摩斯 Gearshift for vehicle

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121205

Termination date: 20140329