CN203162040U - Shift fork, differential lock and vehicle - Google Patents
Shift fork, differential lock and vehicle Download PDFInfo
- Publication number
- CN203162040U CN203162040U CN 201220724033 CN201220724033U CN203162040U CN 203162040 U CN203162040 U CN 203162040U CN 201220724033 CN201220724033 CN 201220724033 CN 201220724033 U CN201220724033 U CN 201220724033U CN 203162040 U CN203162040 U CN 203162040U
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- China
- Prior art keywords
- shift fork
- differential lock
- snap close
- inboard
- arm
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- 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 shift fork which comprises a shift fork handle and a pair of shift fork arms, wherein the shift fork arms are arranged at one end of the shift fork handle, and bosses are arranged on the inner sides of the end parts of the shift fork arms. With the adoption of the shift fork provided with the structure, the mounting and the maintenance efficiency of a differential lock can be effectively improved; and during mounting and dismounting processes of a main reducer assembly, a sliding engagement sleeve cannot slip into an axle housing of a vehicle bridge, and the shift fork is simple in structure and convenient to produce and popularize. Besides, the utility model further provides a differential lock and a vehicle comprising the differential lock.
Description
Technical field
The utility model relates to vehicular field, particularly a kind of shift fork and the differential lock and the vehicle that comprise this shift fork structure.
Background technique
As shown in Figure 1, the differential lock operating mechanism that uses in the existing vehicle bridge mainly comprises cylinder, declutch shift shaft, shift fork, component such as return spring and engagement cover, described engagement cover comprises slide engagement cover and fixed engagement cover, described shift fork is used for handling described slip engagement cover, described shift fork comprises shift fork handle 2 ', shift fork hole 1 ' and shift fork arm 3 ', described shift fork hole and described shift fork arm 3 ' place the two ends of described shift fork handle 2 ', one end of described shift fork is set on the described declutch shift shaft by shift fork hole 1 ', the other end of described shift fork is provided with shift fork arm 3 ', the quantity of described shift fork arm 3 ' is two, described shift fork promotes the axially motion of described slip engagement cover by shift fork arm 3 ', by in cylinder, ventilating and dying, the engagement that promotes described slip engagement cover and described fixed engagement cover with separate, thereby realize locking and the differential function of differential lock.
In the correlation technique, all be to adopt Spielpassung between described shift fork and the described slip engagement cover, therefore, in main gearbox assembly installation and unloading process, described slip engagement cover is easy to be slipped in the vehicle bridge axle housing, need withstand cylinder piston to differential lock ventilation or adopting process bolt locks described slip engagement cover and described fixed engagement cover just to avoid the landing of described slip engagement cover, greatly reduce and install and maintenance efficiency.
The model utility content
In view of this, the utility model proposes a kind of shift fork, and the differential lock and the vehicle that comprise this shift fork structure, be enclosed within installation and the maintenance process to solve the engagement of sliding, be slipped to easily in the vehicle bridge axle housing, thereby reduce the slide installation of engagement cover and the problem of maintenance efficiency greatly.
On the one hand, the utility model proposes a kind of shift fork, comprise shift fork handle and a pair of shift fork arm, described shift fork arm places an end of described shift fork handle, and the inboard, end of described shift fork arm is provided with lug boss.
Further, described lug boss comprises snap close, and described snap close is to projecting inward.
Further, described snap close and described shift fork arm are integral structure, or are fixed in described shift fork wall inboard by welding or by screw.
Further, inboard, described shift fork arm end is provided with installation step, and described snap close is installed in the described installation step.
Further, described snap close is provided with inclined-plane or the arc surface that overlaps for dismounting slip engagement near described shift fork handle one end.
Further, described snap close is provided with for inclined-plane or arc surface that the engagement cover that slides is installed away from described shift fork handle one end.
Further, described snap close is arranged at inboard or two the shift fork arm inboards of one of them shift fork arm.
The shift fork of this structure, described shift fork arm is provided with lug boss, and described lug boss can prevent that the slip engagement cover of handling with shift fork from dropping in the vehicle bridge axle housing, can effectively improve installation and the maintenance efficiency of differential lock from described shift fork arm.
On the other hand, the utility model also proposes a kind of differential lock, comprise the differential lock shift fork and slide the engagement cover, described differential lock shift fork is installed on the engagement of sliding and puts, be used for handling sliding to mesh to overlap vertically and slide, described differential lock shift fork is aforesaid shift fork, and the lug boss of described shift fork is used for anti-sliding stop engagement cover (6) and comes off.
At last, the utility model also provides a kind of vehicle, comprises vehicle bridge and is located at the interior differential lock of described vehicle bridge axle housing, and described differential lock is aforesaid differential lock.
Description of drawings
The accompanying drawing that constitutes a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not constitute improper restriction of the present utility model.
Fig. 1 is the structural representation of shift fork in the correlation technique;
Description of reference numerals:
1 ' shift fork hole
2 ' shift fork handle
3 ' shift fork arm
Fig. 2 is a kind of embodiment's of the utility model shift fork axonometric drawing;
Fig. 3 looks schematic representation for the master of Fig. 2;
Fig. 4 is the schematic representation that cooperates that cover is meshed in the utility model shift fork and slip;
Fig. 5 is the another kind of embodiment's of the utility model shift fork axonometric drawing;
Fig. 6 is the structural representation of Fig. 5.
Description of reference numerals:
1 shift fork hole
2 shift fork handles
3 shift fork arms
4 snap closes
41 first inclined-planes
42 second inclined-planes
5 screws
6 slide meshes cover
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment in the utility model can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In one embodiment, to shown in Figure 4, shift fork is used for stirring the differential lock that places vehicle axle as Fig. 2, shift fork comprises shift fork handle 2 and a pair of shift fork arm 3, shift fork arm 3 places an end of described shift fork handle 2, and the two ends width of described shift fork handle 2 is different, and is wideer near an end of shift fork arm 3.Shift fork arm 3 is used for cooperating with the engagement cover 6 that slides, and inboard, shift fork arm 3 end is provided with lug boss, and described lug boss is used for 6 landings of anti-sliding stop engagement cover.
Described lug boss comprises snap close 4, described snap close 4 overlaps 6 one sides to projecting inward near described slip engagement, namely to being installed, engagement cover 6 one sides of sliding protrude, form boss, described boss comprises an end face and two inclined-planes, as shown in Figure 4, after 6 installations are overlapped in shift fork and the engagement of sliding, described end face forms with described slip engagement cover 6 and cooperates, and, end face offsets downward horizontal symmetrical center line (the being diametric(al)) certain distance of the engagement cover 6 that slides, and guaranteeing in 6 using processs of described slip engagement cover not can landing, described end face and described slip engagement overlap 6 to cooperate be interference fit.Described inclined-plane comprises first inclined-plane 41 and second inclined-plane 42, described first inclined-plane 41 is positioned at described snap close 4 near an end of described shift fork handle 2, described second inclined-plane 42 is positioned at described snap close 4 away from an end of described shift fork handle 2, and described first inclined-plane 41 and described second inclined-plane 42 are straight inclined-plane.Be described slip engagement cover 6 for convenience detach, the angular range between described first inclined-plane 41 and the vertical line is spent between 60 degree 10, and preferred 15 spend to 30 degree, i.e. described slip engagement is overlapped the angular range at 6 dismounting angles and spent to 30 degree 15.Simultaneously, be installation convenient and the engagement cover 6 that slides, the angle between 42 on described second inclined-plane and the vertical line also at 10 degree between 60 degree, preferred 15 degree are to 30 degree, namely the angular range of described slip engagement cover 6 established angles is that 15 degree are to 30 degree.Described snap close 4 is fixedlyed connected with inboard, described shift fork arm 3 end near described shift fork arm 3 ends one side.Need to prove that described end face can be the plane, also can be the arc surface that outwards protrudes, and described inclined-plane also can be for having the arc surface of certain radian, can be to the snap close indent, and also can be to evagination.
Further, described snap close 4 and inboard, the described shift fork arm 3 end structure that can be formed in one, as forming one by the forging mode, described snap close 4 can also be fixed in the inboard, end of described shift fork arm 3 by welding manner, can also offer installation step in inboard, described shift fork arm 3 end, the shape of described installation step and described snap close bottom shape adapt, described snap close 4 is installed in the described installation step, and the form that can also take to offer screw is fixed in inboard, described shift fork arm 3 end to described snap close 4.During installation, inboard, described shift fork arm 3 end is fixed in to described snap close 4 in elder generation, installs with described slip engagement cover 6 to cooperate again.
For preventing described snap close 4 landings, when installation step is offered in inboard, described shift fork arm 3 end, cooperating between described snap close 4 and the described installation step should be adopted interference fit, during assembling, can adopt the mode of knocking, or by the mode that heats described shift fork arm 3 ends described installation step is expanded, reinstall described snap close 4.
Further, the other end of described shift fork is provided with shift fork hole 1, and described shift fork hole 1 is used for described shift fork is sheathed on described declutch shift shaft, and described shift fork can be with described declutch shift shaft axial motion, when described shift fork moves, drive described slip engagement cover 6 and move accordingly.
Among the another kind of embodiment, as Fig. 5 and shown in Figure 6, described shift fork arm 3 ends are provided with installation step, described snap close 4 places described installation step, described shift fork arm 3 ends offer screw or pin-and-hole, and an end thickness of the close described shift fork handle 2 of described snap close 4 is little, and are big away from an end thickness of described shift fork handle 2, offer screw or pin-and-hole on the described snap close 4, described screw or pin-and-hole offer screw on position and the described shift fork end arm or pin-and-hole to offer the position corresponding.Described snap close 4 can be set to inclined-plane or arc surface as required near the face of described slip engagement cover 6 one sides.
During use, earlier described slip engagement cover 6 is installed in the described shift fork, again described snap close 4 is installed on inboard, described shift fork arm 3 end by screw 5 or pin afterwards, relatively large because of the lower end thickness of described snap close 4, described slip engagement cover 6 can landing (specifically not seen Fig. 6) to the vehicle bridge axle housing.When needing dismounting, earlier described snap close 4 is pulled down, shifted out described slip engagement cover 6 again.
The shift fork of above-mentioned two kinds of structures, the quantity of described shift fork arm 3 are two, can be as required therein shift fork arm 3 an ends installing snap close 4 only, also can on two shift fork arms 3, all install.
More than the shift fork of two kinds of structures, have following advantage:
At first, improved the efficient that differential lock is installed and axle assembly is safeguarded.The shift fork of said structure, in main gearbox assembly installation and unloading process, described slip engagement cover 6 can not drop in the axle housing, has improved installation and maintenance efficiency greatly.
Secondly, described shift fork is simple in structure, is easy to manufacture.The shift fork of said structure, structure are all comparatively simple, and only needing increases snap close 4 features on now existing shift fork basis, are easy to manufacture, and are convenient to promote.
In addition, the utility model also provides a kind of differential lock, comprise the differential shift fork and slide engagement cover 6, described differential lock shift fork is installed on the engagement of sliding and puts, being used for handling slip engagement cover (6) slides vertically, described differential lock shift fork is aforesaid shift fork, and the lug boss of described shift fork is used for anti-sliding stop engagement cover (6) and comes off.
The utility model also provides a kind of vehicle, comprises vehicle bridge and is located at the interior differential lock of described vehicle bridge axle housing, and described differential lock is aforesaid differential lock.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. a shift fork comprises shift fork handle (2) and a pair of shift fork arm (3), and described shift fork arm (3) places an end of described shift fork handle (2), it is characterized in that, the inboard, end of described shift fork arm (3) is provided with lug boss.
2. shift fork according to claim 1 is characterized in that, described lug boss comprises snap close (4), and described snap close (4) is to projecting inward.
3. shift fork according to claim 2 is characterized in that, described snap close (4) is integral structure with described shift fork arm (3), or is fixed in described shift fork wall inboard by welding or by screw (5).
4. shift fork according to claim 2 is characterized in that, described shift fork arm (3) inboard, end is provided with installation step, and described snap close (4) is installed in the described installation step.
5. according to each described shift fork in the claim 2 to 4, it is characterized in that described snap close (4) is provided with inclined-plane or arc surface near described shift fork handle (2) one ends.
6. shift fork according to claim 5, its feature is on ground, and described snap close (4) is provided with inclined-plane or arc surface away from described shift fork handle (2) one ends.
7. shift fork according to claim 6 is characterized in that, described snap close (4) is arranged at inboard or two shift fork arms (3) inboard of one of them shift fork arm (3).
8. differential lock, comprise the differential lock shift fork and the engagement cover (6) that slides, described differential lock shift fork is installed on the engagement of sliding and puts, being used for handling slip engagement cover (6) slides vertically, it is characterized in that, described differential lock shift fork is each described shift fork in the claim 1 to 7, and the lug boss of described shift fork is used for anti-sliding stop engagement cover (6) and comes off.
9. a vehicle comprises vehicle bridge and is located at the interior differential lock of described vehicle bridge axle housing, it is characterized in that described differential lock is the described differential lock of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220724033 CN203162040U (en) | 2012-12-25 | 2012-12-25 | Shift fork, differential lock and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220724033 CN203162040U (en) | 2012-12-25 | 2012-12-25 | Shift fork, differential lock and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203162040U true CN203162040U (en) | 2013-08-28 |
Family
ID=49023226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220724033 Expired - Fee Related CN203162040U (en) | 2012-12-25 | 2012-12-25 | Shift fork, differential lock and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203162040U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555726A (en) * | 2015-01-05 | 2015-04-29 | 李明科 | Moving trolley for traveling crane |
| CN107989981A (en) * | 2017-12-05 | 2018-05-04 | 杭叉集团股份有限公司 | Differential lock operating device and vehicle |
-
2012
- 2012-12-25 CN CN 201220724033 patent/CN203162040U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555726A (en) * | 2015-01-05 | 2015-04-29 | 李明科 | Moving trolley for traveling crane |
| CN107989981A (en) * | 2017-12-05 | 2018-05-04 | 杭叉集团股份有限公司 | Differential lock operating device and vehicle |
| CN107989981B (en) * | 2017-12-05 | 2023-07-18 | 杭叉集团股份有限公司 | Differential lock operating device and vehicle |
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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: 20130828 Termination date: 20171225 |