CN202812161U - Gear select-shift device of automobile transmission - Google Patents
Gear select-shift device of automobile transmission Download PDFInfo
- Publication number
- CN202812161U CN202812161U CN 201220496747 CN201220496747U CN202812161U CN 202812161 U CN202812161 U CN 202812161U CN 201220496747 CN201220496747 CN 201220496747 CN 201220496747 U CN201220496747 U CN 201220496747U CN 202812161 U CN202812161 U CN 202812161U
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- CN
- China
- Prior art keywords
- shifting
- axle
- gear
- select
- rocker arm
- 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
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Abstract
The utility model provides a gear select-shift device of an automobile transmission and belongs to the technical field of the automobiles. The gear select-shift device of the automobile transmission solves the technical problem that the assembling process of the gear select-shift device of the existing transmission is cumbersome, the location is inaccurate and the like. The automobile transmission comprises a shell body. The gear select-shift device comprises a gear selecting rocker arm and a select-shift gear shaft which is arranged inside the shell body in a penetrating mode, wherein a groove is formed in one end of the select-shift gear shaft, the gear selecting rocker arm is connected in the groove in a clamping mode and is axially fixed with the select-shift gear shaft, and the select-shift gear shaft can be driven to axially move when the gear selecting rocker arm rotates. The gear select-shift device has the advantages of being fast and convenient to install, accurate in location and the like.
Description
Technical field
The utility model belongs to automobile technical field, relates to the shifting device of a kind of automotive transmission, particularly a kind of automotive transmission.
Background technique
Raising along with people's living standard, automobile becomes instrument inseparable in people's daily life, people also have higher requirement to the performance of automobile simultaneously, shifting device in the automotive transmission is as an important component part in the automobile, be directly connected to the performance of automobile and driver's operational comfort, therefore, increasing producer the performance that how to improve the automobile gear shift device as one of primary research and development problem.
Speed changer and vehicle that China patent CN202360739 discloses a kind of gear selecting gearshift and installed it, this device comprises housing, shifting axle, block selecting rocking arm, shifting positioning element, shifting interlocking member and elastic member, wherein, the shifting axle runs through housing and has first end and the second end that extends this housing, the block selecting rocking arm is installed on the first end, and the shifting axle is moved along its axis; Gear-shifting rocker arm is installed on the first end, and can make the shifting axle around its axial rotation; The shifting parts are installed on the shifting axle, and have a gearshift shifting block that can drive declutch shift shaft.In use, can by handle the block selecting rocking arm make gear shifting pulling head along the shifting axle move axially to finish the block selecting action, and rotate to finish the gearshift action by handling gear-shifting rocker arm so that gear shifting pulling head carries out axis around the shifting axle.
But from the Figure of description of above-mentioned patent document, can find out, be arranged with an assembly department on the first end of this shifting axle, offer a groove that can match with the block selecting rocking arm on this assembly department, because this assembly department is set on the shifting axle, its middle part needs to offer a through hole that can match with the shifting axle, and then it is matched with the shifting axle, cause like this assembling procedure of shifting device loaded down with trivial details, and complex structure, cost of production is higher, and when above-mentioned gear-shifting rocker arm and assembly department are set on the shifting axle, this shifting axle does not arrange corresponding position-limit mechanism, difficulty not only is installed and causes easily the location inaccuracy of gear-shifting rocker arm and assembly department, thereby affect the accuracy of shifting.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for existing technology, and a kind of shifting device of automotive transmission is provided, and technical problem to be solved in the utility model is to improve the packaging efficiency of automotive transmission shifting device.
The purpose of this utility model can realize by following technical proposal:
A kind of shifting device of automotive transmission, automotive transmission comprises housing, this device comprises block selecting rocking arm and a shifting axle that is located in the described housing, it is characterized in that, described shifting axle one end offers groove, described block selecting rocking arm be connected in this groove and with shifting axle axial restraint, and when this block selecting rocking arm rotation, can drive described shifting axle and move axially.
The groove that cooperates with the block selecting rocking arm in this device directly is opened on the shifting axle, during assembling the block selecting rocking arm is connected in this groove and gets final product, compare with documents, saved and to have offered reeded assembly department and be set in this operation on the shifting axle, improved the packaging efficiency of shifting device, and simple in structure, cost of production is lower.
In the shifting device of above-mentioned a kind of automotive transmission, this device also comprises a gear-shifting rocker arm that is set on the shifting axle, and can drive the described shifting diameter of axle to rotation when this gear-shifting rocker arm rotates.Drive the shifting diameter of axle to rotation by rotating gear-shifting rocker arm, realize the gearshift of speed changer.
In the shifting device of above-mentioned a kind of automotive transmission, described shifting axle is a Step Shaft, comprise interconnective thick axle and thin axle, form a step surface between described thick axle and the thin axle, offer a through hole on the described gear-shifting rocker arm, and the diameter of this through hole is greater than the diameter of thin axle and less than the diameter of thick axle.Gear-shifting rocker arm is set on the shifting axle by through hole, and this gear-shifting rocker arm can be close on the step surface, improve packaging efficiency and the accuracy of this device.
In the shifting device of above-mentioned a kind of automotive transmission, offer some circular grooves on the described shifting axle sidewall.Usually interlock need to be set on the shifting axle, need to realize axial limiting by jump ring in this interlock, be provided with circular groove after, make things convenient for the installation of jump ring.
In the shifting device of above-mentioned a kind of automotive transmission, described shifting axle deviates from the end outer surface of groove and is provided with spline.Be provided with on the shifting axle can match with housing behind the spline fixing.
Compared with prior art, the utlity model has following advantage:
1, in this device when assembling, be connected in the block selecting rocking arm in this groove and get final product the packaging efficiency height.
2, this apparatus structure is simple, and cost of production is low.
3, by the shifting axle is designed to Step Shaft, improve the accuracy of this device assembling location.
Description of drawings
Fig. 1 is the structural representation of this shifting device among the embodiment.
Fig. 2 is the structural representation of shifting axle among the embodiment.
Fig. 3 is the structural representation of gear-shifting rocker arm among the embodiment.
Among the figure 1, housing; 2, block selecting rocking arm; 3, shifting axle; 31, thick axle; 32 thin axles; 33, groove; 34, circular groove; 35, spline; 4, gear-shifting rocker arm; 41, through hole; 42, bulb; 43, mounting hole.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, automotive transmission comprises housing 1, this device comprises block selecting rocking arm 2 and a shifting axle 3 that is located in the housing 1, shifting axle 3 one ends offer groove 33, it is interior and axially relative fixing with shifting axle 3 that block selecting rocking arm 2 is connected in this groove 33, and when this block selecting rocking arm 2 rotates, can drive shifting axle 3 and move axially, realize the block selecting of speed changer.
As shown in Figure 2, this shifting axle 3 is a Step Shaft, comprise interconnective thick axle 31 and thin axle 32, its further groove 33 is opened on the thin axle 32, form a step surface between thick axle 31 and the thin axle 32, also offer some the circular grooves 34 that jump ring can be installed on shifting axle 3 sidewalls, and it deviates from the end outer surface of groove 33 and is provided with spline 35.
Such as Fig. 1, Fig. 2, shown in Figure 3, the middle part of gear-shifting rocker arm 4 offers a through hole 41, and the diameter of this through hole 41 is greater than the diameter of thin axle 32 and less than the diameter of thick axle 31, this gear-shifting rocker arm 4 can be set on the shifting axle 3 by through hole 41, after shift gears Rocker arm 4 and shifting axle 3 assemble by the hole shaft clearance, again both being implemented circumference soldering makes both relatively fixing, therefore, when rotating, gear-shifting rocker arm 4 can drive shifting axle 3 radial rotatings, realize the gearshift of speed changer, and this gear-shifting rocker arm 4 can be close on the step surface, the accuracy when more having improved the assembling of this device.One end of this gear-shifting rocker arm 4 also riveting has a bulb 42, and the other end offers two mounting holes 43.
The working principle of this device is as follows: first gear-shifting rocker arm 4 is set on the shifting axle 3 and with circumference soldering by through hole 41 both are fixed, then block selecting rocking arm 2 is connected in the groove 33 of shifting axle 3 one ends, this block selecting rocking arm 2 is axially interfixed with shifting axle 3, therefore, shifting axle 3 is moved axially realize the block selecting purpose, rotate the gearshift Rocker arm 4 and can drive shifting axle 3 radial rotatings realization block selecting purpose, and this device packaging efficiency is high, registration, simple in structure, cost of production is low.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.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 spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. the shifting device of an automotive transmission, automotive transmission comprises housing (1), this device comprises block selecting rocking arm (2) and a shifting axle (3) that is located in the described housing (1), it is characterized in that, described shifting axle (3) one ends offer groove (33), described block selecting rocking arm (2) be connected in this groove (33) and with shifting axle (3) axial restraint, and when this block selecting rocking arm (2) rotation, can drive described shifting axle (3) and move axially.
2. the shifting device of a kind of automotive transmission according to claim 1, it is characterized in that, this device also comprises a gear-shifting rocker arm (4) that is set on the shifting axle (3), and can drive described shifting axle (3) radial rotating when this gear-shifting rocker arm (4) rotates.
3. the shifting device of a kind of automotive transmission according to claim 2, it is characterized in that, described shifting axle (3) is a Step Shaft, comprise interconnective thick axle (31) and thin axle (32), form a step surface between described thick axle (31) and the thin axle (32), offer a through hole (41) on the described gear-shifting rocker arm (4), and the diameter of this through hole (41) is greater than the diameter of thin axle (32) and less than the diameter of thick axle (31).
4. according to claim 1 and 2 or the shifting device of 3 described a kind of automotive transmissions, it is characterized in that, offer some circular grooves (34) on described shifting axle (3) sidewall.
5. according to claim 1 and 2 or the shifting device of 3 described a kind of automotive transmissions, it is characterized in that described shifting axle (3) deviates from the end outer surface of groove (33) and is provided with spline (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496747 CN202812161U (en) | 2012-09-26 | 2012-09-26 | Gear select-shift device of automobile transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496747 CN202812161U (en) | 2012-09-26 | 2012-09-26 | Gear select-shift device of automobile transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202812161U true CN202812161U (en) | 2013-03-20 |
Family
ID=47871033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220496747 Expired - Fee Related CN202812161U (en) | 2012-09-26 | 2012-09-26 | Gear select-shift device of automobile transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202812161U (en) |
-
2012
- 2012-09-26 CN CN 201220496747 patent/CN202812161U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20180926 |