CN205639598U - Hydraulic drive formula shift fork assembly and assembly of shifting - Google Patents
Hydraulic drive formula shift fork assembly and assembly of shifting Download PDFInfo
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- CN205639598U CN205639598U CN201620508064.7U CN201620508064U CN205639598U CN 205639598 U CN205639598 U CN 205639598U CN 201620508064 U CN201620508064 U CN 201620508064U CN 205639598 U CN205639598 U CN 205639598U
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Abstract
The utility model relates to a shift fork field provides a hydraulic drive formula shift fork assembly and assembly of shifting. This hydraulic drive formula shift fork assembly, including the declutch shift shaft and the fork body, pitch the internal cavity that is formed with, the both ends of cavity are formed with the shaft hole of coaxial line, the declutch shift shaft assembly is in in the shaft hole, and the declutch shift shaft utilize its axis body with jut on the axis body will the cavity is separated and is two hydraulic pressure chambeies, the fork physical stamina enough for declutch shift shaft endwise slip, wherein, one hydraulic pressure chamber oil feed orders about the fork is personally experienced sth. Part of the body from neutral position axial motion, and fork body axial motion reaches and stops the oil feed when setting for the stroke under the settlement stroke, another hydraulic pressure chamber oil feed will order about fork body return to take effectively reducing the space, cancel the spacing of synchronous ware in the time of favourable whole case overall arrangement, reduce synchronous ware because of the wearing and tearing that limit belt comes, make and spacingly more reliably ask.
Description
Technical field
This utility model relates to shift fork technical field, particularly to a kind of hydraulic drive type shifting fork assembly, and
A kind of gearshift assembly.
Background technology
It is known that shift fork and lock unit have coordinated gearshift, its be widely used in MT and
In DCT.Then using hydraulic drive type shift fork in DCT, at present, hydraulic drive type shift fork substantially may be used
Being divided into two types, one is shift fork axle and fork body integral type, and its operation principle is that hydraulic oil passes through piston
Promoting shift fork to move integrally, thus drive synchronizer gear sleeve to complete gearshift, representative box has
VWDQ500, DQ250 and Getrag451；Another kind is shift fork axle and fork body separate type, its work
It is motionless that principle is that shift fork axle is fixed on housing, and hydraulic oil promotes shift fork fork body to move by piston
Gearshift, representative box has Benz7GDCT.The common feature of both is to be required for being separately provided work
Plug cylinder.
But, there is certain deficiency, such as, integral type in the hydraulic drive type shift fork of both types
Shortcoming is to arrange piston cylinder on housing to affect the layout of FCL, simultaneously as the lift-launch problem of car load can
Shift fork axle entire length can be made on the premise of meeting piston cylinder design condition to shorten, and this can make to dial
Fork shaft two ends stress becomes big；And the shortcoming of separate type to be the most external hydraulic cylinder can affect that FCL is internal empty
Between layout, part the most also can be made many and numerous and diverse, be unfavorable for reduce cost.
Utility model content
In view of this, this utility model is directed to a kind of hydraulic drive type shifting fork assembly, effectively to subtract
Few space hold, cancels the spacing of lock unit while favourable FCL layout, reduce lock unit because of spacing band
The abrasion come so that spacing more reliable.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
A kind of hydraulic drive type shifting fork assembly, including shift fork axle and fork body, described fork is internal is formed with cavity,
The two ends of described cavity are formed with the axis hole of coaxial line；Described shift fork axle is assemblied in described axis hole, and
Described shift fork axle utilizes the jut on its axis body and described axis body that described cavity is divided into two hydraulic pressure
Chamber, described fork body can slide axially relative to described shift fork axle；Wherein, a described hydraulic cavities oil-feed
Order about described fork body from neutral gear position axially-movable, and when described fork body axially-movable reaches to set stroke
Stopping oil-feed, under described setting stroke, another described hydraulic cavities oil-feed will order about described fork body return.
Relative to prior art, in hydraulic drive type shifting fork assembly described in the utility model, due to shift fork
Axle is being pitched on body by peg-in-hole assembly, and the cavity of fork body is divided into two hydraulic cavities, such as, two
It is positioned at the hydraulic cavities of shift fork axle axis body both sides, or two axial arranged hydraulic cavities, the i.e. first hydraulic cavities
With the second hydraulic cavities, now, due to the effect of jut, a hydraulic cavities oil-feed orders about fork body from neutral
Position axially-movable such as with enter gear, and fork body axially-movable reach set stroke such as enter to keep off stroke
Time, the hydraulic cavities that will stop oil-feed, such as oil-feed completes into gear by connecting draining with the drain tap of its correspondence,
Now, and such as entering under gear state under setting stroke, it is reverse that another hydraulic cavities oil-feed will order about fork body
Mobile, so that fork body return, such as from entering to stop beginning return, so, by this of shift fork axle and fork body
Plant respective outer side edges, hydraulic cylinder can be integrated on the fork body of shift fork, such that it is able to effectively solve in FCL
The problem that arrangement space is not enough, effectively to reduce space hold, simultaneously by controlling the axial shifting of fork body
Move spacing cancellation of being shifted gears by lock unit, reduce lock unit because of the spacing abrasion brought so that spacing more may be used
Lean on.
Further, two described hydraulic cavities are positioned at the both sides of described shift fork axle, and at described shift fork axle
On axial direction, interval is arranged；Two described hydraulic cavities are respectively provided with oil-in and drain tap, at described fork
When body axially-movable reaches described setting stroke, described hydraulic cavities connects with corresponding described drain tap.
Further, described hydraulic drive type shifting fork assembly includes position sensor, and this position sensor is real
Time detect the position of described fork body.
Further, each described hydraulic cavities is formed with opening, and described opening is formed on described fork body,
Described opening is covered by respective cover plate, and wherein, a part for each described cover plate is corresponding to each
Described hydraulic cavities, another part is formed the described drain tap of each described hydraulic cavities.
Further, described shift fork axle is formed with the drain path corresponding with each described hydraulic cavities.
Selectively, described shift fork axle be formed respectively with the oil inlet passage of each described hydraulic chamber into communication,
Each described oil inlet passage connects all the time with respective described hydraulic cavities.
It addition, described cavity is divided into the chamber being positioned at described axis body both sides by described axis body, each described
Being provided with described jut in chamber, each self-corresponding described chamber is divided into institute by each described jut
State hydraulic cavities and compensated cavity, wherein, the cavity wall of described compensated cavity is formed with the described drain tap of correspondence.
Further, described axis body being formed with locating slot, described locating slot is embedded is cased with two hydraulic pressure
Separate space plate is to form described jut.
It addition, described fork body is integrated with shift fork molded line, described shift fork molded line have middle position groove and described in
The auxiliary tank of groove both sides, position, is formed with transition protruding between described auxiliary tank and described middle position groove.
Additionally, this utility model provides one gearshift assembly, this gearshift assembly includes lock unit and positioning seat,
Described gearshift assembly also includes the hydraulic drive type shifting fork assembly described in any of the above, wherein, described fork body
Fork pockets and described lock unit coordinate, described positioning seat to described fork body keep neutral location.
So, as above, by control fork body move axially spacing cancellation of being shifted gears by lock unit,
Reduce lock unit because of the spacing abrasion brought so that this gearshift assembly spacing more reliable, meanwhile, this changes
Gear assembly effectively reduces space hold, favourable FCL layout.
Other features and advantages of the utility model will give in detailed description of the invention part subsequently in detail
Explanation.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing,
Schematic description and description of the present utility model is used for explaining this utility model, is not intended that this reality
With novel improper restriction.In the accompanying drawings:
Fig. 1 is the hydraulic drive type shifting fork assembly perspective view described in this utility model embodiment；
Fig. 2 is the main TV structure schematic diagram of Fig. 1, wherein, eliminates cover plate, it is shown that the oil-feed in front
Mouthful；
Fig. 3 is the sectional structure schematic diagram of Fig. 1, it is shown that the oil-in at the back side；
Fig. 4 is the decomposing schematic representation of Fig. 1.
Description of reference numerals:
1-shift fork axle, 2-pitches body, 3-cavity, 4-axis hole, 5-locating slot, 6-shift fork molded line, position groove in 7-,
8-auxiliary tank, 9-transition is protruding, 10-fork pockets, 11-the first oil inlet passage, 12-the second oil inlet passage, 13-
First oil-in, 14-the second oil-in, 15-the first hydraulic cavities, 16-the first compensated cavity, 17-first lets out
Hydraulic fluid port, 18-the second drain tap, 19-the first hydraulic pressure separate space plate, 20-the second hydraulic pressure separate space plate, 21-first
Cover plate, 22-the second cover plate, 23-the second opening, 24-the first opening.
Detailed description of the invention
It should be noted that in the case of not conflicting, in embodiment in this utility model and embodiment
Feature can be mutually combined.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in figs. 1 and 4, hydraulic drive type shifting fork assembly of the present utility model includes shift fork axle 1 and fork
Body 2, wherein, is formed with cavity 3 in fork body 2, and the two ends of cavity 3 are formed with the axis hole 4 of coaxial line；
Shift fork axle 1 is assemblied in axis hole 4, and shift fork axle 1 utilizes the jut on its axis body and this axis body to incite somebody to action
Cavity 3 is divided into two hydraulic cavities, such as, is positioned at the hydraulic cavities of axis body both sides, or is similar to hydraulic pressure
Cylinder two chambers, it is, this jut defines a part of inner surface of hydraulic cavities, and,
Fork body 2 can slide axially relative to shift fork axle 1, and now, shift fork axle 1 can be fixed on housing guarantor
Hold motionless；Wherein, a hydraulic cavities oil-feed orders about fork body 2 from neutral gear position axially-movable such as to enter gear,
And reach to stop oil-feed, such as, oil-feed when setting stroke such as enters to keep off stroke pitching body 2 axially-movable
Hydraulic cavities not hydraulic cavities in oil-feed or oil-feed will be connected, at this setting row with corresponding drain tap
Journey is such as entered under gear state, and another hydraulic cavities oil-feed will order about fork body 2 return such as from entering to keep off return.
Now, each hydraulic cavities can set an oil duct, and this oil duct i.e. can serve as oil inlet passage, it is also possible to
As drain path, or, as described below, each hydraulic cavities can set two oil ducts, i.e. one
Having the oil inlet passage of oil-in, a drain path with drain tap, now, two hydraulic cavities begin
Whole and each self-corresponding oil-in connects.
So, relative to prior art, in hydraulic drive type shifting fork assembly described in the utility model, by
It is assemblied on fork body 2 by axis hole 4 in shift fork axle 1, and the cavity 3 of fork body 2 is divided into two liquid
Pressure chamber, such as these two hydraulic cavities are positioned at the both sides of shift fork axle axis body, the i.e. first hydraulic cavities 15 and second
Hydraulic cavities, and hydraulic cavities oil-feed orders about fork body when such as entering from neutral gear position axially-movable to keep off, and
Pitch body axially-movable reach set stroke such as enter to keep off stroke time, the hydraulic cavities of oil-feed will stop oil-feed,
Such as, under an oil duct, this oil duct stops oil-feed, will be with when having oil inlet passage and drain path
The drain tap of drain path connects to complete into gear, now, will stop oil-feed, and set stroke such as
Entering under gear state, another hydraulic cavities oil-feed will be ordered about fork body and reversely move, with return such as from entering to stop
Beginning return, so, by shift fork axle and this respective outer side edges of fork body, can be integrated into hydraulic cylinder and dial
On the fork body of fork, such that it is able to effectively solve the problem that in FCL, arrangement space is not enough, effectively to reduce
Space hold, controls to pitch moving axially of body by control hydraulic pressure oil-feed simultaneously and controls further to synchronize
The movement of device, thus spacing cancellation of being shifted gears by lock unit, reduction lock unit, because of the spacing abrasion brought, makes
Obtain spacing more reliable.
Further, the balance of fork body 2 is kept for the ease of two hydraulic cavities oil-feeds, it is preferable that two
Individual hydraulic cavities is arranged diagonal, it is, two described hydraulic cavities are positioned at the both sides of shift fork axle, and is dialling
On the axial direction of fork shaft 1, interval is arranged, as shown in Figures 2 and 3；It is highly preferred that two hydraulic cavities pair
The drain tap answered is arranged diagonal, it is, two described hydraulic cavities are respectively provided with oil-in and drain tap,
Now, it is preferable that two oil-ins and two drain tap cross-pair should be arranged, in fork body 2 axially-movable
When reaching to set stroke, hydraulic cavities connects, as shown in Figure 4 with corresponding drain tap.Now, two liquid
Pressure chamber and two drain taps ground linea angulata in pairs that intersects is arranged.
Further, for reliability and the accuracy of the motion of further lift fork body 2, it is preferable that liquid
Pressure drive-type shifting fork assembly includes position sensor (not shown), and this position sensor detects fork body 2 in real time
Position, so, when pitch body 2 move distance reach according to gearshift stroke arrange oil leak hole time, fluid
Can flow out from oil leak hole is discharged into inside variator, now cannot form pressure, and fork body 2 will not continue to move
Dynamic, when position sensor detects that shift fork 2 does not continues to mobile, will stop oil-filled, the completeest
Become to enter shelves to operate.And work as another hydraulic cavities oil-feed and continue the fork body 2 return fortune of oil-filled promotion shift fork
Time dynamic, when sensor detects that fork body 2 soon returns to neutral gear position, will stop oil-filled, now, car
Other adnexaes such as positioning seat can to fork body 2 on middle position groove and auxiliary tank between transition projection execute
Compressive forces, to compress shift fork, thus applies an axial force returning neutral gear position to the fork body 2 of shift fork,
Auxiliary shift fork returns to neutral gear position, thus completes to pluck gear operation.
It addition, in preferred structure, as shown in Figure 4, fork body 2 is formed with the corresponding hydraulic cavities of connection
Opening, the most each described hydraulic cavities is formed with opening, and described opening is formed on fork body 2, and opening leads to
Crossing respective cover plate to cover, wherein, a part for each cover plate corresponds to respective hydraulic cavities, another
The drain tap of each hydraulic cavities, as shown in Figure 4, the i.e. first hydraulic cavities 15 correspondence it is formed with in part
One opening 24, and the first cover plate 21 can cover the first opening 24, meanwhile, the first cover plate 21
A part of corresponding first hydraulic cavities 15, another part is formed with the first drain tap 17, as Figures 1 and 4
Shown in, and corresponding second opening 23 of second hydraulic cavities at the back side, the second cover plate 22 can cover second and open
Mouthfuls 23, meanwhile, corresponding second hydraulic cavities of a part of the second cover plate 22, another part is formed the
Two drain taps 18.So, in fig. 2, the first hydraulic cavities 15 oil-feed is ordered about fork body 2 and is moved to the left,
Drive the first cover plate 21 to be moved to the left simultaneously, owing to shift fork axle 1 remains stationary as, so, the first draining
Mouthfuls 17 when moving to corresponding first hydraulic cavities 15, will start draining, now, continues oil-filled to will be unable to shape
Become enough driving forces, now, enter gear and complete.When second hydraulic cavities at the back side is entered by oneself second
During hydraulic fluid port 14 oil-feed, fork body 2 will be ordered about and start return.When moving right into gear such as fruit fork body 2, its
Principle and enter to keep off identical to the left.
Selectively, in another kind of version, owing to shift fork axle 1 is integrally fixed in actual installation
Remaining stationary as on housing, therefore, succinct for the ease of pipeline, shift fork axle 1 is formed has draining
The drain path of mouth.It is, in structures described above, drain tap is formed on cover plate,
Certainly, those skilled in the art can be deformed into, and shift fork axle 1 is formed corresponding with each hydraulic cavities
Drain path, this drain path is by drain tap and respective hydraulic chamber into communication, and so, fork body 2 moves
During to setting position, hydraulic cavities will connect with corresponding drain tap so that fluid is from corresponding drain path
Flow out.
Certainly, in two kinds of versions of drain tap, shift fork axle 1 be formed respectively with each hydraulic cavities
The oil inlet passage connected by respective oil-in, the most as shown in Figures 2 and 3, each described oil inlet passage
All the time connecting with respective described hydraulic cavities, the left side of shift fork axle 1 is formed with the first oil inlet passage 11, should
First oil inlet passage 11 is connected with the first hydraulic cavities 15 by the first oil-in 13 in Fig. 2, and dials
The right of fork shaft 1 is formed with the second oil inlet passage 12, and this second oil inlet passage 12 is by the in Fig. 3
Two oil-ins 14 and the second hydraulic chamber into communication dorsad, certainly, as it is shown on figure 3, the first oil inlet passage
11 are intercepted by stop part between the two with the second oil inlet passage 12 and do not connect.
Further, as in figure 2 it is shown, cavity 3 is divided into by the axis body of shift fork axle 1 is positioned at axis body both sides
Chamber, owing to being formed with jut on this axis body, and there is described jut, such as in each chamber
The first hydraulic pressure separate space plate 19 and the second hydraulic pressure separate space plate 20 hereinafter described, is arranged in each described chamber
There is jut, and each self-corresponding chamber is divided into hydraulic cavities and compensated cavity by each jut, and assist
The of the drain tap that respective hydraulic cavities is corresponding, i.e. side shown in Fig. 2 it is formed with in the cavity wall that chamber is corresponding
One hydraulic cavities 15 and the first compensated cavity 16, in like manner, the back side is also formed with the second hydraulic cavities and the second auxiliary
Chamber, and the first hydraulic cavities 15 and the second hydraulic cavities and the first compensated cavity 16 and the second compensated cavity are in
The diagonal angle intersected is arranged, now, and the first drain tap 17 on corresponding first cover plate 21 of the first compensated cavity 16,
And the second drain tap 18 on the second corresponding second cover plate 22 of compensated cavity, now, the first cover plate 21 and the
Two cover plates 22 form the cavity wall of respective compensated cavity.
Such structure is easy to shift fork axle 1 and the cooperation of fork body 2, is positioned at axis body to be divided into by cavity 3
The hydraulic cavities of both sides and compensated cavity.
Further, for the ease of assembling, axis body being formed with locating slot 5, locating slot 5 is nested with
There are two hydraulic pressure separate space plates, the first hydraulic pressure separate space plate 19 and the second hydraulic pressure separate space plate 20 as shown in Figure 4
It is nested in locating slot 5 interior to form the jut of axis body both sides.Thus, by two separate space plates, permissible
It is easy to dismounting.
Additionally, as shown in figs. 1 and 4, for assisted fork body 2 return, and assist the middle position pitching body 2 fixed
Position, it is preferable that fork body 2 is integrated with shift fork molded line 6, and shift fork molded line 6 has middle position groove 7 and middle position
The auxiliary tank 8 of groove 7 both sides, is formed with transition projection 9 between auxiliary tank 8 and middle position groove 7, so,
By middle position groove 7, can assist to pitch location, position during body 2 keeps well, the auxiliary tank 8 of both sides is then
Assisting fork body 2 to enter gear location, meanwhile, the transition projection 9 of both sides then can assist to pitch body from entering to keep off return
To neutral.
A kind of preferred structure of hydraulic drive type shifting fork assembly of the present utility model is described below according to Fig. 4
And specifically apply, but it is understood that time, this hydraulic drive type shifting fork assembly be not solely used for into gear and
Pluck gear.Specifically:
Oil inlet passage is opened at the two ends of shift fork axle 1, namely the first oil inlet passage 11 and the second oil inlet passage
12, it is disconnected in the middle of two oil inlet passages, is having oil-in, i.e. near middle part
First oil-in 13 and the second oil-in 14.Fork body 2 is arranged on shift fork axle 1 by axis hole 4, fork
Body 2 can move left and right, hydraulic cavities dividing plate the such as first hydraulic pressure separate space plate 19 and the second hydraulic pressure separate space plate
In 20 locating slots 5 being arranged on shift fork axle 1 so that the both sides of cavity 3 form hydraulic cavities and compensated cavity.
Then cover plate cover plate bolt is fixed on fork body 2 by cover plate bolt hole and fork body bolt hole, is formed
Airtight cavity, as shown in Figure 1.Shift fork fixes middle position by positioning seat with shift fork molded line 6 when middle position,
Shift fork molded line three groove is that stamping parts is casting together with fork body.
So, shift process operation principle:
Putting into gear: as shown in Figures 2 and 3, when putting into gear, fluid enters from the first oil inlet passage 11, fluid stream
The first hydraulic cavities 15 as shown in Figure 2 can be entered from the first oil-in 13 during to middle not connectivity part, when
When fluid is full of the first hydraulic cavities 15, continues the oil-filled fork body 2 that can promote shift fork and transport to the left side of Fig. 2
Dynamic.When pitching the first drain tap 17 that body 2 move distance reaches according to gearshift stroke setting, fluid meeting
Flowing out from the first drain tap is discharged into inside variator, now cannot form pressure, and fork body 2 will not continue to
It is mobile, it is preferable that when position sensor detects that shift fork does not continues to mobile, will to stop oil-filled,
This completes and operate into shelves.
Pluck gear: when plucking gear, hydraulic oil can enter, during fluid flows to from the second oil inlet passage 12 of opposite side
Between part can enter second hydraulic cavities at the back side from the second oil-in 14, when fluid is full of the second hydraulic cavities
Time, continue the oil-filled fork body 2 that can promote shift fork and move to the right, when sensor detects fork body 2 soon
Return to neutral gear position and other positioning parts seat steel ball have passed over transition protruding 9 time, stop oil-filled,
Now the steel ball of positioning seat is because entering and being compressed when keeping off and can apply an axle returning neutral gear position to fork body 2
Xiang Li, this axial force is ordered about shift fork and is returned to neutral gear position, thus completes to pluck gear operation.
If during it addition, to hang another gear, operation principle is put into gear identical with plucking gear as above,
The most at the beginning will be from the second oil inlet passage 12 to the second hydraulic cavities oil-feed.
Finally, this utility model provides one gearshift assembly, and this gearshift assembly includes lock unit and positioning seat,
Wherein, this gearshift assembly also includes the hydraulic drive type shifting fork assembly described in any of the above, wherein, pitches body
The fork pockets 10 of 2 and lock unit (not shown) coordinate, and positioning seat (not shown) keeps neutral to fork body 2
(middle position) positions.So, as above, by control moving axially of body of fork, lock unit is changed
Keep off spacing cancellation, reduce lock unit because of the spacing abrasion brought so that this gearshift assembly spacing more reliable,
Meanwhile, this gearshift assembly effectively reduces space hold, favourable FCL layout.
The foregoing is only preferred embodiment of the present utility model, not new in order to limit this practicality
Type, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement made
Deng, within should be included in protection domain of the present utility model.
Claims (10)
1. a hydraulic drive type shifting fork assembly, including shift fork axle (1) and fork body (2), its feature exists
In,
Being formed with cavity (3) in described fork body (2), the two ends of described cavity (3) are formed with coaxial line
Axis hole (4)；
Described shift fork axle (1) is assemblied in described axis hole (4), and described shift fork axle (1) utilizes
Described cavity (3) is divided into two hydraulic cavities, described fork by the jut on its axis body and described axis body
Body (2) can slide axially relative to described shift fork axle (1)；Wherein,
One described hydraulic cavities oil-feed orders about described fork body (2) from neutral gear position axially-movable, and in institute
State when fork body (2) axially-movable reaches to set stroke and stop oil-feed, under described setting stroke, another
Individual described hydraulic cavities oil-feed will order about described fork body (2) return.
Hydraulic drive type shifting fork assembly the most according to claim 1, it is characterised in that described in two
Hydraulic cavities is positioned at the both sides of described shift fork axle (1), and on the axial direction of described shift fork axle (1) between
Every layout；
Two described hydraulic cavities are respectively provided with oil-in and drain tap, in the axially-movable of described fork body (2)
When reaching described setting stroke, described hydraulic cavities connects with corresponding described drain tap.
Hydraulic drive type shifting fork assembly the most according to claim 2, it is characterised in that described hydraulic pressure
Drive-type shifting fork assembly includes position sensor, and this position sensor detects described fork body (2) in real time
Position.
Hydraulic drive type shifting fork assembly the most according to claim 2, it is characterised in that each described
Hydraulic cavities is formed with opening, and described opening is formed on described fork body (2), and described opening is by each
Cover plate cover, wherein,
A part for each described cover plate corresponds to respective described hydraulic cavities, another part is formed every
The described drain tap of individual described hydraulic cavities.
Hydraulic drive type shifting fork assembly the most according to claim 2, it is characterised in that described shift fork
Axle (1) is formed with the drain path corresponding with each described hydraulic cavities.
Hydraulic drive type shifting fork assembly the most according to claim 1, it is characterised in that described shift fork
Axle (1) be formed respectively with the oil inlet passage of each described hydraulic chamber into communication, each described oil inlet passage
All the time connect with respective described hydraulic cavities.
Hydraulic drive type shifting fork assembly the most according to claim 2, it is characterised in that described axis body
Described cavity (3) is divided into the chamber being positioned at described axis body both sides,
Being provided with described jut in each described chamber, each described jut is by each self-corresponding described
Chamber is divided into described hydraulic cavities and compensated cavity, wherein,
The described drain tap of correspondence it is formed with in the cavity wall of described compensated cavity.
Hydraulic drive type shifting fork assembly the most according to claim 7, it is characterised in that described axis body
On be formed with locating slot (5), described locating slot (5) is embedded is cased with two hydraulic pressure separate space plates to form institute
State jut.
9., according to the hydraulic drive type shifting fork assembly described in any one in claim 1-8, its feature exists
In, described fork body (2) is integrated with shift fork molded line (6), and described shift fork molded line (6) has middle position groove (7)
And the auxiliary tank (8) of groove (7) both sides, described middle position, described auxiliary tank (8) and described middle position groove (7)
Between be formed with transition protruding (9).
10. a gearshift assembly, including lock unit and positioning seat, it is characterised in that described gearshift assembly
Also include according to the hydraulic drive type shifting fork assembly described in any one in claim 1-9, wherein, institute
Fork pockets (10) and the described lock unit of stating fork body (2) coordinate, and described positioning seat is to described fork body (2)
Keep neutral location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620508064.7U CN205639598U (en) | 2016-05-30 | 2016-05-30 | Hydraulic drive formula shift fork assembly and assembly of shifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620508064.7U CN205639598U (en) | 2016-05-30 | 2016-05-30 | Hydraulic drive formula shift fork assembly and assembly of shifting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205639598U true CN205639598U (en) | 2016-10-12 |
Family
ID=57050870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620508064.7U Active CN205639598U (en) | 2016-05-30 | 2016-05-30 | Hydraulic drive formula shift fork assembly and assembly of shifting |
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| Country | Link |
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| CN (1) | CN205639598U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070085A (en) * | 2017-05-22 | 2017-08-18 | 东莞艾斯博自动化设备有限公司 | Motor assist device |
| CN110145597A (en) * | 2019-06-05 | 2019-08-20 | 苏州东风精冲工程有限公司 | The structure and fork being connect suitable for shift fork neutral gear locating piece with shift fork |
-
2016
- 2016-05-30 CN CN201620508064.7U patent/CN205639598U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107070085A (en) * | 2017-05-22 | 2017-08-18 | 东莞艾斯博自动化设备有限公司 | Motor assist device |
| CN107070085B (en) * | 2017-05-22 | 2023-03-31 | 东莞艾斯博自动化设备有限公司 | Motor auxiliary device |
| CN110145597A (en) * | 2019-06-05 | 2019-08-20 | 苏州东风精冲工程有限公司 | The structure and fork being connect suitable for shift fork neutral gear locating piece with shift fork |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191113 Address after: 071000 No.75, Dongsheng Road, Lianchi District, Baoding City, Hebei Province Patentee after: Beehive transmission technology Hebei Co., Ltd Address before: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee before: Changcheng Automobile Co., Ltd. |