CN203926738U - Reverse gear latching mechanism, speed changer and vehicle - Google Patents

Reverse gear latching mechanism, speed changer and vehicle Download PDF

Info

Publication number
CN203926738U
CN203926738U CN201420205139.5U CN201420205139U CN203926738U CN 203926738 U CN203926738 U CN 203926738U CN 201420205139 U CN201420205139 U CN 201420205139U CN 203926738 U CN203926738 U CN 203926738U
Authority
CN
China
Prior art keywords
gear
hole
reverse
shift shaft
interlocking
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.)
Withdrawn - After Issue
Application number
CN201420205139.5U
Other languages
Chinese (zh)
Inventor
王冰
余子林
周友
刘学武
赵烤蕊
邵发科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Automobile Group Co Ltd
Original Assignee
Guangzhou Automobile Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Automobile Group Co Ltd filed Critical Guangzhou Automobile Group Co Ltd
Priority to CN201420205139.5U priority Critical patent/CN203926738U/en
Application granted granted Critical
Publication of CN203926738U publication Critical patent/CN203926738U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Landscapes

  • Gear-Shifting Mechanisms (AREA)

Abstract

The utility model provides a kind of reverse gear latching mechanism, speed changer and vehicle, this reverse gear latching mechanism comprises housing, back fork, gear reverse declutch shift shaft, interlocking axle and interlocking plunger, described back fork has spaced the first through hole and the second through hole, the first end of described interlocking axle is fixed on described housing, the second end of described interlocking axle inserts in described the first through hole, described gear reverse declutch shift shaft inserts in described the second through hole, described back fork is provided with the pin-and-hole that is communicated with described the first through hole and described the second through hole, described interlocking plunger is slidably arranged in described pin-and-hole, described interlocking axle is provided with first interlock slot of mating with the first end of described interlocking plunger, described gear reverse declutch shift shaft is provided with second interlock slot of mating with the second end of described interlocking plunger, on described gear reverse declutch shift shaft, be provided with for axially hanging at described back fork to reverse gear and when direction moves, promote the synchronization-moving thrust piece of described back fork.Reverse gear latching mechanism of the present utility model, has promoted smooth gear shifting.

Description

Reverse gear latching mechanism, speed changer and vehicle
Technical field
The utility model belongs to transmission for vehicles technical field, particularly relates to a kind of reverse gear latching mechanism, speed changer and vehicle.
Background technique
The gear of existing five-gear manual transmission arranges that reverse gear is normally arranged in the below of five gear gears, and reverse gear and five gear gears share a declutch shift shaft, are set with five gear shift fork and back forks on this declutch shift shaft.Conventionally in case of transmission, be provided with reverse gear latching mechanism, when can ensureing five gear shift fork motions, this reverse gear latching mechanism (hangs five gears), back fork is motionless, thereby prevent that vehicle from hanging and reverse gear hanging five gear mistimings, while having avoided high vehicle speeds because mistake is hung the caused serious safe consequence of reversing gear.
Existing reverse gear latching mechanism as shown in Figure 1, its bag back fork 1c, (five gears) declutch shift shaft 2c reverses gear, forward gear (being generally one or two gears) declutch shift shaft 3c and interlocking plunger 4c, back fork 1c has the first through hole 5c passing for gear reverse declutch shift shaft 2c and the second through hole 6c passing for forward gear (being generally one or two gears) declutch shift shaft 3c, between the first through hole 5c and the second through hole 6c, be communicated with by a pin-and-hole 7c, interlocking plunger 4c is arranged in pin-and-hole 7c, gear reverse declutch shift shaft 2c is provided with the first interlock slot 8c corresponding to a side of pin-and-hole 7c, forward gear declutch shift shaft 3c is provided with the second interlock slot 9c corresponding to a side of pin-and-hole 7c.In the time of neutral gear position, the first interlock slot 8c, the second interlock slot 9c and pin-and-hole 7c are interconnected, and interlocking plunger 4c is in free state; In the time hanging five gears, gear reverse declutch shift shaft 2c is to the below motion of Fig. 1, the right-hand member of interlocking plunger 4c departs from the second interlock slot 9c, and support on the cylndrical surface of gear reverse declutch shift shaft 3c (being the surface of non-the first interlock slot 8c), the left end of interlocking plunger 4c slips in the second interlock slot 9c, like this, the motion of interlocking plunger 4c is limited, because interlocking plunger 4a is arranged in the pin-and-hole 7c of back fork 1c, like this, the motion of back fork 1c is limited.Having avoided hanging five gear mistimings extensions reverses gear.
But, above-mentioned reverse gear latching mechanism, in the time changing forward gear (forward gear declutch shift shaft 3c moves up or down), because the second interlock slot 9c exists certain resistance to interlocking plunger 4c, make like this motion irregularity of forward gear declutch shift shaft 3a, while making to change forward gear, there is gearshift clamping stagnation, affect the smoothness of gear shift operation.
Model utility content
Technical problem to be solved in the utility model is in the time changing forward gear, to occur shifting gears the problem of clamping stagnation for existing reverse gear latching mechanism, and a kind of reverse gear latching mechanism is provided.
It is as follows that the utility model solves the problems of the technologies described above adopted technological scheme:
A kind of reverse gear latching mechanism is provided, comprise housing, back fork, gear reverse declutch shift shaft, interlocking axle and interlocking plunger, described back fork has spaced the first through hole and the second through hole, the first end of described interlocking axle is fixed on described housing, the second end of described interlocking axle inserts in described the first through hole, described gear reverse declutch shift shaft inserts in described the second through hole, on described back fork, be provided with the pin-and-hole that is communicated with described the first through hole and described the second through hole, described interlocking plunger is slidably arranged in described pin-and-hole, described interlocking axle is provided with first interlock slot of mating with the first end of described interlocking plunger, described gear reverse declutch shift shaft is provided with second interlock slot of mating with the second end of described interlocking plunger, the axial length that the axial length of described interlocking plunger is greater than the axial length of described pin-and-hole and is less than described pin-and-hole adds a sum less in the maximum depth of the above the first interlock slot and the maximum depth of described the second interlock slot, on described gear reverse declutch shift shaft, be provided with for axially hanging at described back fork to reverse gear and when direction moves, promote the synchronization-moving thrust piece of described back fork.
Further, described interlocking plunger is straight pin, and described pin-and-hole is the circular hole mating with described straight pin.The setting of straight pin and circular hole, on the one hand easy processing; On the other hand, while interlocking plunger being slided in pin-and-hole, resistance is little.
Further, the end face of the second end of described interlocking plunger is convex globoidal, and the groove bottom of described the second interlock slot is and the concave arc surface of described convex globoidal form fit.
Further, described thrust piece is the shaft block ring being fixed on described gear reverse declutch shift shaft.
Further, the second end of described interlocking axle is formed with the first limited step away from the surface of described gear reverse declutch shift shaft one side, the inwall that described back fork is positioned at a side of described the first through hole is formed with the second limited step, and described the first limited step and described the second limited step are against coordinating to stop described back fork to move to the reverse gear opposite direction of direction of extension.
Further, described interlocking axle comprises axle body and along the radially-protruding mounting plate of described axle body, described mounting plate is bolted to connection on described housing.
Further, described the first interlock slot and described the second interlock slot just to time, described the first limited step and described the second limited step distance are in the axial direction less than or equal to 0.5mm, described the first limited step and described the second limited step distance are diametrically more than or equal to 0.5mm and are less than or equal to 1mm, and the axial distance of described mounting plate and described back fork is more than or equal to 1mm.
Further, the outside of described back fork is formed with the switch triggering step that reverses gear, described in the switch triggering step that reverses gear comprise an inclined-plane and be connected to the horizontal basal plane on the base on described inclined-plane.
According to reverse gear latching mechanism of the present utility model, newly increase an interlocking axle being fixed on housing, and the axial length that the axial length of described interlocking plunger is greater than the axial length of described pin-and-hole and is less than described pin-and-hole adds a sum less in the maximum depth of the above the first interlock slot and the maximum depth of described the second interlock slot, like this, in the time that moving, the axial opposite direction of hanging the direction of reversing gear of described back fork (moves to extension and the direction of a forward gear of the common declutch shift shaft that reverses gear), the second end of described interlocking plunger can be deviate from described the second interlock slot and rise to the surface higher than described the second interlock slot on described gear reverse declutch shift shaft, to make the direction slippage of described interlocking plunger to described the first interlock slot, and then the first end that makes described interlocking plunger slips in described the first interlock slot and with described the first interlock slot and is combined, because interlocking axle is fixed on housing, and then be combined interlocking plunger is limited along axial the moving of gear reverse declutch shift shaft with described the first interlock slot because of the first end of described interlocking plunger, and interlocking plunger is arranged in the pin-and-hole of back fork, so cause the motion of back fork to be limited, be that the direction that back fork can not reverse gear to extension moves, like this, hanging when with a forward gear of the common declutch shift shaft that reverses gear, can not hang into reversing gear by mistake.Than prior art, this reverse gear latching mechanism need to not arrange interlock slot on forward gear declutch shift shaft (being generally one or two gear declutch shift shafts), be that forward gear declutch shift shaft does not interlock with gear reverse declutch shift shaft, like this, in the time changing forward gear (gear or two gears), interlocking plunger without any inhibition, makes the motion of forward gear declutch shift shaft more smooth-going to forward gear declutch shift shaft, while changing forward gear, there will not be gearshift catching phenomenon, promoted the smoothness of gear shift operation.
In addition, the utility model also provides a kind of speed changer, and it comprises above-mentioned reverse gear latching mechanism.
In addition, the utility model also provides a kind of vehicle, and it comprises above-mentioned reverse gear latching mechanism.
Brief description of the drawings
Fig. 1 is the structural representation of existing a kind of reverse gear latching mechanism;
Fig. 2 is the installment state schematic diagram of the reverse gear latching mechanism that provides of the utility model one embodiment;
Fig. 3 is the structural representation of its back fork of reverse gear latching mechanism of providing of the utility model one embodiment;
Fig. 4 is the structural representation of its interlocking axle of the reverse gear latching mechanism that provides of the utility model one embodiment;
Fig. 5 is that reverse gear latching mechanism that the utility model one embodiment provides is hung the schematic diagram when with a forward gear of the common declutch shift shaft that reverses gear;
Fig. 6 is that reverse gear latching mechanism that the utility model one embodiment provides is hung the schematic diagram when reversing gear.
Reference character in Figure of description is as follows:
1, housing; 2, back fork; 21, the first through hole; 22, the second through hole; 23, pin-and-hole; 24, the second limited step; 25, the switch triggering step that reverses gear; 3, gear reverse declutch shift shaft; 31, the second interlock slot; 4, interlocking axle; The first end of 4a, interlocking axle; The second end of 4b, interlocking axle; 41, the first interlock slot; 42, the first limited step; 43, axle body; 44, mounting plate; 45, bolt hole; 5, interlocking plunger; The first end of 5a, interlocking plunger; The second end of 5b, interlocking plunger; 6, thrust piece.
Embodiment
Clearer for technical problem, technological scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figures 2 to 6, the reverse gear latching mechanism that the utility model one embodiment provides comprises housing 1, back fork 2, gear reverse declutch shift shaft 3, interlocking axle 4 and interlocking plunger 5, described back fork 2 has spaced the first through hole 21 and the second through hole 22, the first end 4a of described interlocking axle 4 is fixed on described housing 1, the second end 4b of described interlocking axle 4 inserts in described the first through hole 21, described gear reverse declutch shift shaft 3 inserts in described the second through hole 22, and described back fork 2 empty sets are on described gear reverse declutch shift shaft 3 and interlocking axle 4.On described back fork 2, be provided with the pin-and-hole 23 that is communicated with described the first through hole 21 and described the second through hole 22, described interlocking plunger 5 is slidably arranged in described pin-and-hole 23, described interlocking axle 4 is provided with first interlock slot 41 of mating with the first end 5a of described interlocking plunger 5, described gear reverse declutch shift shaft 3 is provided with second interlock slot 31 of mating with the second end 5b of described interlocking plunger 5, is provided with for reversing gear and promote the synchronization-moving thrust piece 6 of described back fork 2 when direction moves to extension at described gear reverse declutch shift shaft 3 on described gear reverse declutch shift shaft 3.
In the present embodiment, described housing 1 can be clutch housing, can be also case of transmission.Be preferably clutch housing.
In the present embodiment, the axial length that the axial length of described interlocking plunger 5 is greater than the axial length of described pin-and-hole 23 and is less than described pin-and-hole 23 adds a sum less in the maximum depth of the above the first interlock slot 41 and the maximum depth of described the second interlock slot 31, that is to say, in the time that the maximum depth of described the first interlock slot 41 is more than or equal to described the second interlock slot 31, the axial length that the axial length of described interlocking plunger 5 is less than described pin-and-hole 23 adds the maximum depth of the above the second interlock slot 31; In the time that the maximum depth of described the first interlock slot 41 is less than described the second interlock slot 31, the axial length that the axial length of described interlocking plunger 5 is less than described pin-and-hole 23 adds the maximum depth of the above the first interlock slot 41.Like this, as shown in Figure 3, at described gear reverse declutch shift shaft 3 during in initial position, described the first interlock slot 41 is just right with described the second interlock slot 31, described the first interlock slot 41, pin-and-hole 23 and the second interlock slot 31 being axially interconnected along described interlocking plunger 5, the first end 5a of described interlocking plunger 5 is lower than described the first interlock slot 41, the second end 5b of described interlocking plunger 5 and described the second interlock slot 31 combinations.
In conjunction with Fig. 2 and Fig. 5, reverse gear the opposite direction of direction while moving by initial position to extension at described gear reverse declutch shift shaft 3, the second end 5b of described interlocking plunger 5 deviates from described the second interlock slot 31 and rises to the surface higher than described the second interlock slot 31 on described gear reverse declutch shift shaft 3, to make the direction slippage of described interlocking plunger 5 to described the first interlock slot 41, so the first end 5a of described interlocking plunger is slipped in described the first interlock slot 41 and with described the first interlock slot 41 combinations.Because interlocking axle is fixed on housing, and then be combined interlocking plunger is limited along axial the moving of gear reverse declutch shift shaft with described the first interlock slot because of the first end of described interlocking plunger, and interlocking plunger is arranged in the pin-and-hole of back fork, so cause the motion of back fork to be limited, be that the direction that back fork can not reverse gear to extension moves, like this, hanging when with a forward gear of the common declutch shift shaft that reverses gear, can not hang into reversing gear by mistake.
In the time being returned to neutral by this forward gear, the direction that described gear reverse declutch shift shaft 3 reverses gear to extension moves and gets back to initial position, the second end 5b of described interlocking plunger 5 fall in described the second interlock slot 31 and with described the second interlock slot 31 combinations, to make the first end 5a of described interlocking plunger 5 leave described the first interlock slot 41.
In conjunction with Fig. 2 and Fig. 6, reverse gear direction while moving by initial position to extension at described gear reverse declutch shift shaft 3, the described thrust piece 6 being fixed on described gear reverse declutch shift shaft 3 is pushing away described back fork 2 with gear reverse declutch shift shaft 3 synchronizing movings, and interlocking plunger 5 is limited in described pin-and-hole and with back fork 2 synchronizing movings.
In the time being returned to neutral by reversing gear, the opposite direction of the direction that described gear reverse declutch shift shaft 3 reverses gear to extension moves and gets back to initial position, described interlocking plunger 5 is with described gear reverse declutch shift shaft 3 synchronizing movings, and then makes back fork 2 with gear reverse declutch shift shaft 3 synchronizing movings and be returned to initial position.
Herein the alleged extension direction of reversing gear refers to, vehicle is hung the movement direction of gear reverse declutch shift shaft when reversing gear, i.e. A direction in Fig. 5 and Fig. 6; Equally, herein the reverse gear opposite direction of direction of alleged extension refers to, vehicle is hung the movement direction of gear reverse declutch shift shaft when with a forward gear of the common declutch shift shaft that reverses gear, i.e. B direction in Fig. 5 and Fig. 6.The initial position of alleged described gear reverse declutch shift shaft refers to the initial mounting point of gear reverse declutch shift shaft, i.e. gear reverse declutch shift shaft residing position in Fig. 2 herein.
In addition, be generally the top gear position of speed changer with the forward gear of the common declutch shift shaft that reverses gear, for example, in five-gear manual transmission, with the forward gear of the common declutch shift shaft that reverses gear be five gears, and in six gear manual transmissions, be six gears with the forward gear of the common declutch shift shaft that reverses gear.
In the present embodiment, described interlocking plunger 5 is straight pin, and described pin-and-hole 23 is the circular hole mating with described straight pin.The setting of straight pin and circular hole, on the one hand easy processing; On the other hand, while interlocking plunger being slided in pin-and-hole, resistance is little.
In the present embodiment, the end face of the second end 5b of described interlocking plunger 5 is convex globoidal, and the groove bottom of described the second interlock slot 31 is and the concave arc surface of described convex globoidal form fit.Like this, the second end 5b that makes described interlocking plunger 5 is reversed gear when the opposite direction of direction moves and can climb along the surface of described the second interlock slot 31 and deviate from described the second interlock slot 31 to extension by initial position at described gear reverse declutch shift shaft 3.
Certainly, in other embodiments, the groove bottom of the second interlock slot 31 can be also conical surface, inclined-plane and round table surface etc.As long as can ensure to reverse gear the opposite direction of direction while moving by initial position to extension at described gear reverse declutch shift shaft 3, the second end 5b of described interlocking plunger 5 can climb along the surface of described the second interlock slot 31 and deviate from described the second interlock slot 31.
Due to the first end 5a of described interlocking plunger on gravitational direction, be positioned at described interlocking plunger the second end 5b below, thereby, as long as the first end 5a of described interlocking plunger and described the first interlock slot 41 can be in conjunction with, the end face of the first end 5a of described interlocking plunger can mate arbitrarily with the groove bottom shape of described the first interlock slot 41.In the present embodiment, preferably, the end face of the first end 5a of described interlocking plunger 5 is convex globoidal, and the groove bottom of described the first interlock slot 41 is and the concave arc surface of described convex globoidal form fit.
In the present embodiment, described thrust piece 6 is for being fixed on the shaft block ring on described gear reverse declutch shift shaft 3.
In the present embodiment, as shown in Figure 4, the second end 4b of described interlocking axle 4 is formed with the first limited step 42 away from the surface of described gear reverse declutch shift shaft 3 one sides, the inwall that described back fork 2 is positioned at a side of described the first through hole 21 is formed with the second limited step 24, and described the first limited step 42 and described the second limited step 24 are against coordinating to stop described back fork 2 to move to the reverse gear opposite direction of direction of extension.Like this, the direction that back fork 2 can only reverse gear to extension is moved, prevent from, in the time that extension reverses gear, putting into forward gear by mistake.In addition, the combination of the first limited step 42 and described the second limited step 24, can also play the positioning action of back fork 2, is convenient to the assembling of back fork 2.
In the present embodiment, as shown in Figure 3, described interlocking axle 4 comprises axle body 43 and along the radially-protruding mounting plate 44 of described axle body 43, on described mounting plate 44, offers bolt hole 45, and described mounting plate 44 is bolted to connection on described housing 1.
In the present embodiment, as shown in Figure 2, at described back fork 2 during in initial position, described the first interlock slot 41 is just right with described the second interlock slot 31, described the first limited step 42 is less than or equal to 0.5mm with described the second limited step 24 distance L 1 in the axial direction, described the first limited step 42 is more than or equal to 0.5mm and is less than or equal to 1mm with described the second limited step 24 distance L 2 diametrically, and described mounting plate 44 is more than or equal to 1mm with the axial distance L3 of described back fork 2.And the length of interlocking axle 4 should meet changing while reversing gear, the second limited step 24 of back fork 2 does not exceed the end face of the second end 4b that interlocks axle.And L1 is less than and equals L2, like this, it is spacing by the first limited step 42 making back fork 2.In the present embodiment, the outside of described back fork 2 is formed with the switch triggering step 25 that reverses gear, described in the switch triggering step 25 that reverses gear comprise an inclined-plane 251 and be connected to the horizontal basal plane 252 on the base on described inclined-plane 251.In the time that speed changer assembles, reverse gear the spring pin of switch just to horizontal basal plane 252, like this, in the time that back fork 2 reverses gear direction (the B direction in Fig. 6) movement to extension, described horizontal basal plane 252 leaves the spring pin of the switch that reverses gear, and described inclined-plane 251 contacts and is extruded spring pin with spring pin, be connected to the diaphragm of spring pin end by compressed, the contact of pressing position limit switch after diaphragm compression prearranging quatity, the switch that reverses gear is triggered, and the lamp that reverses gear is lighted.
According to the reverse gear latching mechanism of the utility model above-described embodiment, newly increase an interlocking axle being fixed on housing, and the axial length that the axial length of described interlocking plunger is greater than the axial length of described pin-and-hole and is less than described pin-and-hole adds a sum less in the maximum depth of the above the first interlock slot and the maximum depth of described the second interlock slot, like this, in the time that moving, the axial opposite direction of hanging the direction of reversing gear of described back fork (moves to extension and the direction of a forward gear of the common declutch shift shaft that reverses gear), the second end of described interlocking plunger can be deviate from described the second interlock slot and rise to the surface higher than described the second interlock slot on described gear reverse declutch shift shaft, to make the direction slippage of described interlocking plunger to described the first interlock slot, and then the first end that makes described interlocking plunger slips in described the first interlock slot and with described the first interlock slot and is combined, because interlocking axle is fixed on housing, and then because the first end of described interlocking plunger is combined interlocking plunger is limited along axial the moving of gear reverse declutch shift shaft with described the first interlock slot, and interlocking plunger is arranged in the pin-and-hole of back fork, so cause the motion of back fork to be limited, be that the direction that back fork can not reverse gear to extension moves, like this, hanging when with a forward gear of the common declutch shift shaft that reverses gear, can not hang into reversing gear by mistake.Than prior art, this reverse gear latching mechanism need to not arrange interlock slot on forward gear declutch shift shaft (being generally one or two gear declutch shift shafts), be that forward gear declutch shift shaft does not interlock with gear reverse declutch shift shaft, like this, in the time changing forward gear (gear or two gears), interlocking plunger without any inhibition, makes the motion of forward gear declutch shift shaft more smooth-going to forward gear declutch shift shaft, while changing forward gear, there will not be gearshift catching phenomenon, promoted the smoothness of gear shift operation.
In addition, the utility model also provides a kind of speed changer, and it comprises above-mentioned reverse gear latching mechanism.
In addition, the utility model also provides a kind of vehicle, and it comprises above-mentioned reverse gear latching mechanism.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (10)

1. a reverse gear latching mechanism, it is characterized in that, comprise housing (1), back fork (2), gear reverse declutch shift shaft (3), interlocking axle (4) and interlocking plunger (5), described back fork (2) has spaced the first through hole (21) and the second through hole (22), the first end (4a) of described interlocking axle (4) is fixed on described housing (1), second end (4b) of described interlocking axle (4) inserts in described the first through hole (21), described gear reverse declutch shift shaft (3) inserts in described the second through hole (22), on described back fork (2), be provided with the pin-and-hole (23) that is communicated with described the first through hole (21) and described the second through hole (22), described interlocking plunger (5) is slidably arranged in described pin-and-hole (23), described interlocking axle (4) is provided with first interlock slot (41) of mating with the first end (5a) of described interlocking plunger (5), described gear reverse declutch shift shaft (3) is provided with second interlock slot (31) of mating with second end (5b) of described interlocking plunger (5), the axial length that the axial length of described interlocking plunger (5) is greater than the axial length of described pin-and-hole (23) and is less than described pin-and-hole (23) adds a sum less in the maximum depth of the above the first interlock slot (41) and the maximum depth of described the second interlock slot (31), on described gear reverse declutch shift shaft (3), be provided with for reversing gear and promote the synchronization-moving thrust piece of described back fork (2) (6) when direction moves to extension at described gear reverse declutch shift shaft (3).
2. reverse gear latching mechanism according to claim 1, is characterized in that, described interlocking plunger (5) is straight pin, and described pin-and-hole (23) is the circular hole mating with described straight pin.
3. reverse gear latching mechanism according to claim 2, it is characterized in that, the end face of second end (5b) of described interlocking plunger (5) is convex globoidal, and the groove bottom of described the second interlock slot (31) is and the concave arc surface of described convex globoidal form fit.
4. reverse gear latching mechanism according to claim 1, is characterized in that, described thrust piece (6) is for being fixed on the shaft block ring on described gear reverse declutch shift shaft (3).
5. according to the reverse gear latching mechanism described in claim 1 to 4 any one, it is characterized in that, second end (4b) of described interlocking axle (4) is formed with the first limited step (42) away from the surface of described gear reverse declutch shift shaft (3) one sides, the inwall that described back fork (2) is positioned at a side of described the first through hole (21) is formed with the second limited step (24), and described the first limited step (42) and described the second limited step (24) are against coordinating to stop described back fork (2) to move to the reverse gear opposite direction of direction of extension.
6. reverse gear latching mechanism according to claim 5, it is characterized in that, described interlocking axle (4) comprises axle body (43) and along the radially-protruding mounting plate of described axle body (43) (44), described mounting plate (44) is bolted to connection on described housing (1).
7. reverse gear latching mechanism according to claim 6, it is characterized in that, described the first interlock slot (41) and described the second interlock slot (31) just to time, described the first limited step (42) is less than or equal to 0.5mm with described the second limited step (24) distance in the axial direction, described the first limited step (42) is more than or equal to 0.5mm and is less than or equal to 1mm with described the second limited step (24) distance diametrically, and described mounting plate (44) is more than or equal to 1mm with the axial distance of described back fork (2).
8. according to the reverse gear latching mechanism described in claim 1 to 4 any one, it is characterized in that, the outside of described back fork (2) is formed with the switch triggering step (25) that reverses gear, described in the switch triggering step (25) that reverses gear comprise an inclined-plane (251) and be connected to the horizontal basal plane (252) on the base of described inclined-plane (251).
9. a speed changer, is characterized in that, comprises the reverse gear latching mechanism described in claim 1 to 8 any one.
10. a vehicle, is characterized in that, comprises the reverse gear latching mechanism described in claim 1 to 8 any one.
CN201420205139.5U 2014-04-24 2014-04-24 Reverse gear latching mechanism, speed changer and vehicle Withdrawn - After Issue CN203926738U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420205139.5U CN203926738U (en) 2014-04-24 2014-04-24 Reverse gear latching mechanism, speed changer and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420205139.5U CN203926738U (en) 2014-04-24 2014-04-24 Reverse gear latching mechanism, speed changer and vehicle

Publications (1)

Publication Number Publication Date
CN203926738U true CN203926738U (en) 2014-11-05

Family

ID=51822549

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420205139.5U Withdrawn - After Issue CN203926738U (en) 2014-04-24 2014-04-24 Reverse gear latching mechanism, speed changer and vehicle

Country Status (1)

Country Link
CN (1) CN203926738U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105020392A (en) * 2014-04-24 2015-11-04 广州汽车集团股份有限公司 Reverse gear locking mechanism, transmission and vehicle
CN105351514A (en) * 2015-12-14 2016-02-24 陕西法士特齿轮有限责任公司 High reverse gear locking mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105020392A (en) * 2014-04-24 2015-11-04 广州汽车集团股份有限公司 Reverse gear locking mechanism, transmission and vehicle
CN105020392B (en) * 2014-04-24 2017-04-12 广州汽车集团股份有限公司 Reverse gear locking mechanism, transmission and vehicle
CN105351514A (en) * 2015-12-14 2016-02-24 陕西法士特齿轮有限责任公司 High reverse gear locking mechanism

Similar Documents

Publication Publication Date Title
CN203926738U (en) Reverse gear latching mechanism, speed changer and vehicle
CN204164334U (en) A kind of shifter of transmission
CN105020392A (en) Reverse gear locking mechanism, transmission and vehicle
CN105952886A (en) Hand-operated automobile transmission gear shifting mechanism
CN106005234B (en) A kind of gearshift
CN103486248A (en) Gear selecting and shifting executing mechanism
CN205278331U (en) Motorcycle engine
CN203756788U (en) Slide block device of synchronizer
CN105014459A (en) Hydraulic gear shifting device used for numerically-controlled machine tool
CN105020383A (en) Five-speed manual shifter
CN204267714U (en) Front and back point thimble shape transmission selector fork switching mechanism
CN202971870U (en) Shifting fork of transmission
CN205078768U (en) Gear box separation and reunion interlock of shifting
CN203962775U (en) Eliminate slide-block mechanism and the synchronizer of synchronizing ring and tooth hub abnormal sound
CN105546109B (en) A kind of shift fork axle with interlocking structure
CN202867622U (en) Automobile transmission synchronizer
CN204253833U (en) A kind of speed changer major-minor case mutual interlocking gear
CN203926729U (en) A kind of anti-off-gear length spline structure of putting into gear for automobile
CN107218391B (en) Gear shifting limiting mechanism of manual transmission
CN203756963U (en) Automotive transmission reverse gear mechanism
CN104089006B (en) Gear interlocking mechanism for agricultural machinery gearbox
CN203686076U (en) Automobile transmission top cover
CN105485336A (en) Interlocking device for transfer case operation mechanism
CN203939978U (en) A kind of manual gear of vehicle mutual interlocking gear
CN107906196B (en) Gear shifting control mechanism of transmission

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20141105

Effective date of abandoning: 20170412