CN204175927U - Side speed change is from return gear shift cover assembly - Google Patents
Side speed change is from return gear shift cover assembly Download PDFInfo
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- CN204175927U CN204175927U CN201420655937.8U CN201420655937U CN204175927U CN 204175927 U CN204175927 U CN 204175927U CN 201420655937 U CN201420655937 U CN 201420655937U CN 204175927 U CN204175927 U CN 204175927U
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Abstract
The utility model discloses a kind of side speed change from return gear shift cover assembly, comprise upper cover of speed changing box, shift level guide plate is provided with in described upper cover of speed changing box, described shift level guide plate is provided with height gear guiding groove and main transformer speed gear guiding groove, main gear neutral position is provided with, the main transformer speed lever elasticity reset device that described shift level guide plate is also provided with in described main transformer speed gear guiding groove; Described upper cover of speed changing box is connected with gear level fitting seat, described gear level fitting seat is provided with high and low shift shift level and main gear shift lever; The lower end of described high and low shift shift level is connected with high and low shift and handles connecting lever, high and low shift shift shaft and high and low shift shifting fork bar; The lower end of described main gear shift lever is connected with main gear and handles connecting lever, main transformer speed gear shift axle and main gear shifting fork bar, and described main transformer speed lever elasticity reset device promotes described main gear shifting fork bar and resets.The utility model main transformer speed gear self-return, compact structure, reliable operation, precision is higher.
Description
Technical field
The utility model relates to a kind of gear shift cover.
Background technique
The gear control device of the gearbox of prior art, comprises the main gear shift lever be arranged on upper cover of speed changing box; For making described main gear shift lever self-return in gearshift procedure, be provided with holddown spring between described main gear shift lever and described upper cover of speed changing box, because the holddown spring of prior art is volute spring, its elastic force is not enough to main gear shift lever return.When driver chooses neutral gear, because main gear shift lever can not self-return, main gear shift lever is difficult to automatically be parked in determine position, driver can only find shift path with feel, this have impact on operating efficiency to a great extent, and easily cause misoperation, damage gearbox, even can cause serious security incident.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of self-return that can realize main transformer speed gear, compact structure, and reliable operation, the higher side speed change of precision is from return gear shift cover assembly.
For solving the problems of the technologies described above, the technical solution of the utility model is: side speed change is from return gear shift cover assembly, comprise upper cover of speed changing box, shift level guide plate is installed in described upper cover of speed changing box, described shift level guide plate is provided with height gear guiding groove and main transformer speed gear guiding groove, is provided with main gear neutral position in described main transformer speed gear guiding groove; Described upper cover of speed changing box is connected with gear level fitting seat, described gear level fitting seat is provided with high and low shift shift level ball and socket base and main gear shift lever ball and socket base, be separately installed with high and low shift shift level and main gear shift lever in described high and low shift shift level ball and socket base and described main gear shift lever ball and socket base, described high and low shift shift level and described main gear shift lever are inserted in described gear level fitting seat;
The lower end of described high and low shift shift level is connected with high and low shift and handles connecting lever, described high and low shift is handled connecting lever and is connected with high and low shift shift shaft, described high and low shift shift shaft runs through and extends in described upper cover of speed changing box and be connected with high and low shift shifting fork bar, and the downward correspondence of described high and low shift shifting fork bar to extend in described height gear guiding groove and correspondingly with the high and low shift shift fork of gearbox to connect;
The lower end of described main gear shift lever is connected with main gear and handles connecting lever, described main gear is handled connecting lever and is connected with main transformer speed gear shift axle, described main transformer speed gear shift axle runs through and extends in described upper cover of speed changing box and be connected with main gear shifting fork bar, the downward correspondence of described main gear shifting fork bar to extend in described main transformer speed gear guiding groove and correspondingly with the main gear shift fork of gearbox to connect, the fast lever elasticity reset device of main transformer that on described shift level guide plate, the fast gear guiding groove position of corresponding described main transformer is also provided with.
As preferred technological scheme, in described gear level fitting seat, be provided with high and low shift gear shift axle bed, described high and low shift gear shift axle bed offer the high and low shift gear shift axis hole passed for described high and low shift shift shaft.
As the improvement to technique scheme, in described gear level fitting seat, be provided with main transformer speed gear shift axle bed, described main transformer speed gear shift axle bed offer the main transformer speed gear shift axis hole passed for described main transformer speed gear shift axle.
As the further improvement to technique scheme, described main transformer speed gear guiding groove comprises three main transformer speed gear longitudinally guiding grooves, be communicated with between described main transformer speed gear longitudinally guiding groove and be provided with main transformer speed gear laterally steering groove, described main transformer speed gear laterally steering groove neutral position is provided with described main gear neutral position.
As the further improvement to technique scheme, described main transformer speed lever elasticity reset device comprises the guide holder be installed on described shift level guide plate, the reset orbit hole that described guide holder is offered, promotion restoring link is slidably connected in described reset orbit hole, the periphery of described promotion restoring link is arranged with promotion Returnning spring, described promotion restoring link is connected with main gear shifting fork bar pushing block, described shift level guide plate corresponds to described main gear neutral position and is also provided with the spacing pin of neutral.
As improving especially further technique scheme, the quantity of described main transformer speed lever elasticity reset device is two and symmetry is positioned at the both sides of described main gear neutral position.
As improving especially further technique scheme, described high and low shift shift level ball and socket base comprises the high and low shift gear shift rod aperture be opened on described gear level fitting seat, and described high and low shift gear shift rod aperture is connected with high and low shift shift level gland.
As improving especially further technique scheme, described main gear shift lever ball and socket base comprises the main gear shift lever hole be opened on described gear level fitting seat, and described main gear shift lever hole is connected with main gear shift lever gland.
As improving especially further technique scheme, described upper cover of speed changing box and described gear level fitting seat are integral type structure.
Owing to have employed technique scheme, side speed change is from return gear shift cover assembly, comprise upper cover of speed changing box, shift level guide plate is installed in described upper cover of speed changing box, described shift level guide plate is provided with height gear guiding groove and main transformer speed gear guiding groove, is provided with main gear neutral position in described main transformer speed gear guiding groove; Described upper cover of speed changing box is connected with gear level fitting seat, described gear level fitting seat is provided with high and low shift shift level ball and socket base and main gear shift lever ball and socket base, be separately installed with high and low shift shift level and main gear shift lever in described high and low shift shift level ball and socket base and described main gear shift lever ball and socket base, described high and low shift shift level and described main gear shift lever are inserted in described gear level fitting seat; The lower end of described high and low shift shift level is connected with high and low shift and handles connecting lever, described high and low shift is handled connecting lever and is connected with high and low shift shift shaft, described high and low shift shift shaft runs through and extends in described upper cover of speed changing box and be connected with high and low shift shifting fork bar, and the downward correspondence of described high and low shift shifting fork bar to extend in described height gear guiding groove and correspondingly with the high and low shift shift fork of gearbox to connect; The lower end of described main gear shift lever is connected with main gear and handles connecting lever, described main gear is handled connecting lever and is connected with main transformer speed gear shift axle, described main transformer speed gear shift axle runs through and extends in described upper cover of speed changing box and be connected with main gear shifting fork bar, the downward correspondence of described main gear shifting fork bar to extend in described main transformer speed gear guiding groove and correspondingly with the main gear shift fork of gearbox to connect, the fast lever elasticity reset device of main transformer that on described shift level guide plate, the fast gear guiding groove position of corresponding described main transformer is also provided with.The utility model can realize the self-return of main transformer speed gear, and compact structure, reliable operation, precision is higher.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structure principle chart that the utility model embodiment high and low shift shift level connects;
Fig. 3 is the structural representation of the utility model embodiment shift level guide plate;
Fig. 4 is the structural representation of the utility model embodiment main transformer speed lever elasticity reset device;
Fig. 5 is the transverse sectional view of the utility model embodiment main transformer speed lever elasticity reset device;
Fig. 6 is the longitudinal sectional view of the utility model embodiment main transformer speed lever elasticity reset device.
In figure: 11-upper cover of speed changing box; 12-bolt fixed base; 21-shift level guide plate; 22-height gear guiding groove; The main gear neutral position of 23-; 24-main transformer speed gear longitudinally guiding groove; 25-main transformer speed gear laterally steering groove; 31-gear level fitting seat; 32-high and low shift shift level; The main gear shift lever of 33-; 34-high and low shift shift level gland; The main gear shift lever gland of 35-; 41-high and low shift handles connecting lever; 42-high and low shift shift shaft; 43-high and low shift shifting fork bar; 44-high and low shift gear shift axle bed; The main gear of 51-handles connecting lever; 52-main transformer speed gear shift axle; The main gear shifting fork bar of 53-; 54-main transformer speed gear shift axle bed; 61-guide holder; 62-reset orbit hole; 63-promotes restoring link; 64-promotes Returnning spring; 65-main gear shifting fork bar pushing block; The spacing pin of 66-neutral.
Embodiment
Below in conjunction with drawings and Examples, set forth the utility model further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present utility model.Undoubtedly, those of ordinary skill in the art can recognize, when not departing from spirit and scope of the present utility model, can revise by various different mode to described embodiment.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
As depicted in figs. 1 and 2, side speed change is from return gear shift cover assembly, comprise upper cover of speed changing box 11, some bolt fixed bases 12 are provided with in described upper cover of speed changing box 11, described bolt fixed base 12 is provided with shift level guide plate 21, as shown in Figure 3, described shift level guide plate 21 is provided with height gear guiding groove 22 and main transformer speed gear guiding groove, is provided with main gear neutral position 23 in described main transformer speed gear guiding groove; Described upper cover of speed changing box 11 is connected with gear level fitting seat 31, described gear level fitting seat 31 is provided with high and low shift shift level ball and socket base and main gear shift lever ball and socket base, be separately installed with high and low shift shift level 32 and main gear shift lever 33 in described high and low shift shift level ball and socket base and described main gear shift lever ball and socket base, described high and low shift shift level 32 and described main gear shift lever 33 are inserted in described gear level fitting seat 31;
The lower end of described high and low shift shift level 32 is connected with high and low shift and handles connecting lever 41, described high and low shift is handled connecting lever 41 and is connected with high and low shift shift shaft 42, described high and low shift shift shaft 42 runs through and extends in described upper cover of speed changing box 11 and be connected with high and low shift shifting fork bar 43, the downward correspondence of described high and low shift shifting fork bar 43 extend in described height gear guiding groove 22 and with high and low shift shift fork (known technology, the not shown) correspondence of gearbox and connects; Described high and low shift shifting fork bar 43 stirs the high and low shift shift fork of gearbox by swinging, be operated in high-grade state or Low gear state to select gearbox.
The lower end of described main gear shift lever 33 is connected with main gear and handles connecting lever 51, described main gear is handled connecting lever 51 and is connected with main transformer speed gear shift axle 52, described main transformer speed gear shift axle 52 runs through and extends in described upper cover of speed changing box 11 and be connected with main gear shifting fork bar 53, described main gear shifting fork bar 53 downwards correspondence to extend in described main transformer speed gear guiding groove and with the main gear shift fork (known technology of gearbox, not shown) corresponding connection, the main transformer speed lever elasticity reset device that on described shift level guide plate 21, corresponding described main transformer speed gear guiding groove position is also provided with, described main transformer speed lever elasticity reset device promotes described main gear shifting fork bar 53 and resets to described main gear neutral position 23, described main gear shifting fork bar 53 stirs the main gear shift fork of gearbox by motion, to select gearbox main transformer speed operation range.
As shown in Figure 1, high and low shift gear shift axle bed 44 is provided with in described gear level fitting seat 31, described high and low shift gear shift axle bed 44 offers the high and low shift gear shift axis hole passed for described high and low shift shift shaft 42, further support limits described high and low shift shift shaft 42, makes described high and low shift shift shaft 42 can axial rotation.
As shown in Figure 2, main transformer speed gear shift axle bed 54 is provided with in described gear level fitting seat 31, described main transformer speed gear shift axle bed 54 offers the main transformer speed gear shift axis hole passed for described main transformer speed gear shift axle 52, further support limits described main transformer speed gear shift axle 52, makes described main transformer speed gear shift axle 52 can axial rotation.
As shown in Figure 3, described main transformer speed gear guiding groove comprises three main transformer speed gear longitudinally guiding grooves 24, be communicated with between described main transformer speed gear longitudinally guiding groove 24 and be provided with main transformer speed gear laterally steering groove 25, described main transformer speed gear laterally steering groove 25 neutral position is provided with described main gear neutral position 23.Described main transformer speed gear guiding groove can " king " type in 90-degree rotation, also can be in 90-degree rotation " in " type, but be not limited only to embodiment and lift shape.
As shown in Figure 4, Figure 5 and Figure 6, described main transformer speed lever elasticity reset device comprises the guide holder 61 be installed on described shift level guide plate 21, the reset orbit hole 62 that described guide holder 61 is offered, slidably connect in described reset orbit hole 62 and promote restoring link 63, the periphery of described promotion restoring link 63 is arranged with and promotes Returnning spring 64, described promotion restoring link 63 is connected with main gear shifting fork bar pushing block 65, described shift level guide plate 21 corresponds to described main gear neutral position 23 and is also provided with the spacing pin 66 of neutral.When described main gear shifting fork bar 53 is positioned at described main gear neutral position 23, described main gear shifting fork bar pushing block 65 is resisted against on the spacing pin 66 of described neutral.
The quantity of described main transformer speed lever elasticity reset device is two and symmetry is positioned at the both sides of described main gear neutral position 23.
Described high and low shift shift level ball and socket base comprises the high and low shift gear shift rod aperture be opened on described gear level fitting seat 31, and described high and low shift gear shift rod aperture is connected with high and low shift shift level gland 34, facilitates the installation of described high and low shift shift level 32.
Described main gear shift lever ball and socket base comprises the main gear shift lever hole be opened on described gear level fitting seat 31, and described main gear shift lever hole is connected with main gear shift lever gland 35, facilitates the installation of described main gear shift lever 33.
Described upper cover of speed changing box 11 and described gear level fitting seat 31 are integral type structure, and said structure makes product durable.
The working principle of the present embodiment is as follows:
High and low shift gear is selected: as shown in Figure 2, pulling described high and low shift shift level 32 drives described high and low shift to handle connecting lever 41, described high and low shift shift shaft 42 is rotated, described high and low shift shifting fork bar 43 is driven to swing in described height gear guiding groove 22, described high and low shift shifting fork bar 43 stirs the high and low shift shift fork of gearbox by swinging, be operated in high-grade state or Low gear state to select gearbox.
Main transformer speed gear is selected: as shown in Figure 1, during engage a gear, pull described main gear shift lever 33 leave meta drive main gear handle connecting lever 51, described main transformer speed gear shift axle 52 is rotated, described main gear shifting fork bar 53 is driven to move in described main transformer speed gear guiding groove, when described main gear shifting fork bar 53 moves to the left or to the right, press the described main gear shifting fork bar pushing block 65 of respective side, make to slide in described reset orbit hole 62 with described promotion restoring link 63, and compress described promotion Returnning spring 64.Described main gear shifting fork bar 53 stirs the main gear shift fork of gearbox by motion, to select gearbox main transformer speed operation range.When to pluck grade, under the effect of described promotion Returnning spring 64 restoring force, described main gear shifting fork bar pushing block 65 promotes described main gear shifting fork bar 53 and resets to described main gear neutral position 23, drives described main gear shift lever 33 naturally to get back to meta.When described main gear shifting fork bar 53 is positioned at described main gear neutral position 23, described main gear shifting fork bar pushing block 65 is resisted against on the spacing pin 66 of described neutral.
The present embodiment can realize the self-return of main transformer speed gear, and compact structure, reliable operation, precision is higher.
More than show and describe basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. side speed change is from return gear shift cover assembly, comprise upper cover of speed changing box, be provided with shift level guide plate in described upper cover of speed changing box, described shift level guide plate is provided with height gear guiding groove and main transformer speed gear guiding groove, is provided with main gear neutral position in described main transformer speed gear guiding groove; Described upper cover of speed changing box is connected with gear level fitting seat, described gear level fitting seat is provided with high and low shift shift level ball and socket base and main gear shift lever ball and socket base, be separately installed with high and low shift shift level and main gear shift lever in described high and low shift shift level ball and socket base and described main gear shift lever ball and socket base, described high and low shift shift level and described main gear shift lever are inserted in described gear level fitting seat; It is characterized in that:
The lower end of described high and low shift shift level is connected with high and low shift and handles connecting lever, described high and low shift is handled connecting lever and is connected with high and low shift shift shaft, described high and low shift shift shaft runs through and extends in described upper cover of speed changing box and be connected with high and low shift shifting fork bar, and the downward correspondence of described high and low shift shifting fork bar to extend in described height gear guiding groove and correspondingly with the high and low shift shift fork of gearbox to connect;
The lower end of described main gear shift lever is connected with main gear and handles connecting lever, described main gear is handled connecting lever and is connected with main transformer speed gear shift axle, described main transformer speed gear shift axle runs through and extends in described upper cover of speed changing box and be connected with main gear shifting fork bar, the downward correspondence of described main gear shifting fork bar to extend in described main transformer speed gear guiding groove and correspondingly with the main gear shift fork of gearbox to connect, the fast lever elasticity reset device of main transformer that on described shift level guide plate, the fast gear guiding groove position of corresponding described main transformer is also provided with.
2. side as claimed in claim 1 speed change is from return gear shift cover assembly, it is characterized in that: be provided with high and low shift gear shift axle bed in described gear level fitting seat, described high and low shift gear shift axle bed offers the high and low shift gear shift axis hole passed for described high and low shift shift shaft.
3. side as claimed in claim 1 speed change is from return gear shift cover assembly, it is characterized in that: in described gear level fitting seat, be provided with main transformer speed gear shift axle bed, described main transformer speed gear shift axle bed offers the main transformer speed gear shift axis hole passed for described main transformer speed gear shift axle.
4. side as claimed in claim 1 speed change is from return gear shift cover assembly, it is characterized in that: described main transformer speed gear guiding groove comprises three main transformer speed gear longitudinally guiding grooves, be communicated with between described main transformer speed gear longitudinally guiding groove and be provided with main transformer speed gear laterally steering groove, described main transformer speed gear laterally steering groove neutral position is provided with described main gear neutral position.
5. side as claimed in claim 1 speed change is from return gear shift cover assembly, it is characterized in that: described main transformer speed lever elasticity reset device comprises the guide holder be installed on described shift level guide plate, the reset orbit hole that described guide holder is offered, promotion restoring link is slidably connected in described reset orbit hole, the periphery of described promotion restoring link is arranged with promotion Returnning spring, described promotion restoring link is connected with main gear shifting fork bar pushing block, described shift level guide plate corresponds to described main gear neutral position and is also provided with the spacing pin of neutral.
6. side as claimed in claim 1 speed change is from return gear shift cover assembly, it is characterized in that: the quantity of described main transformer speed lever elasticity reset device is two and symmetry is positioned at the both sides of described main gear neutral position.
7. side as claimed in claim 1 speed change is from return gear shift cover assembly, it is characterized in that: described high and low shift shift level ball and socket base comprises the high and low shift gear shift rod aperture be opened on described gear level fitting seat, described high and low shift gear shift rod aperture is connected with high and low shift shift level gland.
8. side as claimed in claim 1 speed change is from return gear shift cover assembly, it is characterized in that: described main gear shift lever ball and socket base comprises the main gear shift lever hole be opened on described gear level fitting seat, described main gear shift lever hole is connected with main gear shift lever gland.
9. the side speed change as described in claim as arbitrary in claim 1 to 8, from return gear shift cover assembly, is characterized in that: described upper cover of speed changing box and described gear level fitting seat are integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420655937.8U CN204175927U (en) | 2014-11-05 | 2014-11-05 | Side speed change is from return gear shift cover assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420655937.8U CN204175927U (en) | 2014-11-05 | 2014-11-05 | Side speed change is from return gear shift cover assembly |
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| Publication Number | Publication Date |
|---|---|
| CN204175927U true CN204175927U (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420655937.8U Active CN204175927U (en) | 2014-11-05 | 2014-11-05 | Side speed change is from return gear shift cover assembly |
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| CN (1) | CN204175927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156488A (en) * | 2015-09-28 | 2015-12-16 | 金湖小青青机电设备有限公司 | Mechanical clutch transmission device for combined seed and fertilizer drill |
-
2014
- 2014-11-05 CN CN201420655937.8U patent/CN204175927U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156488A (en) * | 2015-09-28 | 2015-12-16 | 金湖小青青机电设备有限公司 | Mechanical clutch transmission device for combined seed and fertilizer drill |
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