CN210531592U - Select gearshift, derailleur and vehicle - Google Patents
Select gearshift, derailleur and vehicle Download PDFInfo
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- CN210531592U CN210531592U CN201921121734.XU CN201921121734U CN210531592U CN 210531592 U CN210531592 U CN 210531592U CN 201921121734 U CN201921121734 U CN 201921121734U CN 210531592 U CN210531592 U CN 210531592U
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Abstract
The utility model provides a select gearshift, derailleur and vehicle, wherein, select gearshift include: changing a stop block; the gear shifting shaft penetrates through the gear shifting block; the shifting block is sleeved on the gear shifting shaft; the gear selecting device is connected with the shifting block, and the shifting block can move along the axial direction of the gear shifting shaft under the driving of the gear selecting device; the gear shifting device is connected with the gear shifting block, and the gear shifting shaft and the shifting block can rotate under the driving of the gear shifting device and the gear shifting block; wherein, gearshift and select to keep off the device and be the setting of predetermineeing the angle. The utility model provides a select gearshift has cancelled ordinary commercial car derailleur and has selected the gearshift arm, draw the isostructure of being connected with the control chamber for select gearshift overall structure simple, the operation of being convenient for, the reliability is higher, helps promoting the accuracy of selecting gearshift and the convenience of operation.
Description
Technical Field
The utility model relates to an automobile parts technical field particularly, relates to a select gearshift, derailleur and derailleur.
Background
In the related art, as shown in fig. 1 and fig. 2, a gear selecting and shifting mechanism 100 'of a common commercial vehicle transmission includes a housing 106', a gear selecting arm, a gear selecting shaft, a gear selecting swing arm 114 ', a gear shifting arm 102', a gear shifting shaft 104 ', a gear shifting dial 110', an interlocking block 108 ', a spring, and a positioning seat 112'. The internal structure of the gear selecting and shifting mechanism 100 ' is that a gear selecting arm, a gear selecting shaft and a gear selecting swing arm 114 ' are fixedly connected, the gear shifting arm 102 ' is fixedly connected with a gear shifting shaft 104 ', a gear shifting dial 110 ' is sleeved on the gear shifting shaft 104 ' through a spline, the gear selecting swing arm 114 ' is clamped in a gear shifting dial groove and can drive the gear shifting dial 110 ' to axially move on the gear shifting shaft 104 ', the gear shifting shaft 104 ' can drive the gear shifting dial 110 ' to rotate through the spline, an interlocking block 108 ' is sleeved on the outer side of the gear shifting dial 110 ' and used for interlocking between gears of a transmission, springs are sleeved on the gear shifting shaft 104 ' and distributed on two sides of the interlocking block 108 ' to help the gear shifting dial 110 ' to select gears and position, and a positioning seat 112 ' is used for neutral gear positioning of the gear shifting dial.
In the related art, the gear selecting and shifting mechanism 100' operates according to the following principle: the whole vehicle is connected with the gear selecting and shifting arm 102 ' through a pull wire, the gear selecting arm is driven to rotate through the pull wire, so that the gear selecting shaft and the gear selecting swing arm 114 ' are driven to rotate, and the gear selecting swing arm 114 ' drives the gear shifting head to move axially in the spline groove to realize gear selecting. In the gear shifting process, the pull wire drives the gear shifting arm 102 ' to rotate, so as to drive the gear shifting shaft 104 ' to rotate, and the spline drives the gear shifting head 110 ' to swing back and forth in the shifting fork groove to realize gear shifting.
Along with the change of the commercial vehicle users in the market and other reasons, the requirements on the gear selecting and shifting performance of the transmission are higher and higher, and the automatic gear is driven. Generally, a commercial vehicle transmission is a manual transmission, gear selection and shifting are performed by an operating room through a pull wire, inaccurate gear selection and shifting is easily caused due to manual operation, gear selection and shifting is not in place or exceeds, a transmission body is easily damaged, in addition, the manual operation needs to be judged according to factors such as vehicle speed and engine rotating speed, and clutch selection and gear shifting are stepped, so that the operation is relatively complex.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, the utility model discloses the first aspect provides a select gearshift.
The utility model discloses the second aspect provides a derailleur.
The utility model discloses the third aspect provides a vehicle.
The utility model discloses the first aspect provides a select gearshift, include: changing a stop block; the gear shifting shaft penetrates through the gear shifting block; the shifting block is sleeved on the gear shifting shaft; the gear selecting device is connected with the shifting block, and the shifting block can move along the axial direction of the gear shifting shaft under the driving of the gear selecting device; the gear shifting device is connected with the gear shifting block, and the gear shifting shaft and the shifting block can rotate under the driving of the gear shifting device and the gear shifting block; wherein, gearshift and select to keep off the device and be the setting of predetermineeing the angle.
The gear selecting and shifting mechanism provided by the utility model drives the shifting block to move along the axial direction of the gear shifting shaft through the gear selecting device, so as to realize the gear selecting function; the shifting block is driven to rotate through the gear shifting device, the gear shifting function is achieved, and the gear selecting device is matched with the gear shifting device, so that the gear selecting and shifting function of the transmission is guaranteed. Specifically, the gear shifting shaft penetrates through the gear shifting block and is fixedly connected with the gear shifting block; the shifting block is sleeved on the gear shifting shaft and movably connected with the shifting block, and the shifting block can move along the axial direction of the gear shifting shaft; the gear selecting device is directly connected with the shifting block, the gear shifting device is indirectly connected with the shifting block through the gear shifting block and the gear shifting shaft, the preset angle is 90 degrees, and the gear selecting device and the gear shifting device are arranged perpendicularly.
When gear selection and shifting are needed, the gear selection device drives the shifting block to move along the axial direction of the gear shifting shaft, so that the gear selection function is realized; after the shifting block moves to a preset position, the shifting block is driven to rotate by the shifting device, the shifting block can be driven to rotate by the rotation of the shifting block, and then the shifting block on the shifting shaft is driven to rotate, so that the shifting function is realized.
The utility model provides a select gearshift has cancelled ordinary commercial car derailleur and has selected the gearshift arm, draw the isostructure of being connected with the control chamber for select gearshift overall structure simple, the operation of being convenient for, the reliability is higher, helps promoting the accuracy of selecting gearshift and the convenience of operation.
According to the utility model discloses foretell select gearshift can also have following additional technical characterstic:
in the above technical solution, preferably, the gear selecting device includes: a gear selecting motor; the gear selecting screw rod is connected with the gear selecting motor and can rotate under the driving of the gear selecting motor; and the gear selecting sliding block is sleeved on the gear selecting lead screw and is connected with the shifting block, and the gear selecting sliding block can drive the shifting block to move along the axial direction of the gear shifting shaft under the driving of the gear selecting motor and the gear selecting lead screw.
In the technical scheme, the gear selecting device comprises a gear selecting motor, a gear selecting lead screw and a gear selecting slide block which are matched with each other. The gear selecting motor serves as a gear selecting power part and provides gear selecting power for gear selection, and the gear selecting lead screw and the gear selecting slide block jointly form a gear selecting ball screw pair to ensure power transmission.
Specifically, the gear selecting screw rod is connected with the output end of the gear selecting motor and can rotate under the driving of the gear selecting motor; the gear selecting slide block is sleeved on the gear selecting screw rod and is matched with the gear selecting screw rod. When a user performs gear selection operation, the gear selection motor is controlled to rotate to drive the gear selection lead screw to rotate so as to drive the gear selection sliding block on the gear selection lead screw to move, the gear selection sliding block is connected with the shifting block, and the shifting block is driven by the movement of the gear selection sliding block to move along the axial direction of the gear shifting shaft, so that the gear selection function is realized.
In any of the above technical solutions, preferably, the gear selecting slider is provided with a guide groove, the gear selecting device further includes a guide shaft and a locking member disposed at an end of the guide shaft, the guide shaft is located in the guide groove, and a size of the locking member is larger than a diameter of the guide shaft.
In the technical scheme, the upper surface of the gear selecting sliding block is provided with a guide groove, the gear selecting device further comprises a guide shaft, the setting direction of the guide shaft is consistent with that of the gear selecting lead screw, and the guide shaft is matched with the guide groove and is positioned in the guide groove. In the process that the gear selecting lead screw drives the gear selecting slide block to move, the guide shaft is matched with the guide groove to play a good guide role, and the moving direction of the shifting block is ensured. In addition, the one end of keeping away from the selection at the guiding axle and keeping away from the motor that keeps off is provided with the retaining member, and the size of retaining member is greater than the diameter of guiding axle, plays good limiting displacement, avoids causing the condition emergence that the selection kept off the slider and breaks away from the selection and keeps off the lead screw because the selection keeps off the motor excessively rotatory, guarantees to select gearshift's safe in utilization. Specifically, the locking member is a bolt.
In any one of the above technical solutions, preferably, the gear selecting device further includes: the gear selecting angular displacement sensor is arranged on the shell of the gear selecting and shifting mechanism and is rotatably connected with the inner wall of the shell; one end of the signal swing arm is connected with the gear selection angular displacement sensor, the other end of the signal swing arm is provided with a rectangular groove, and the signal swing arm is connected with a mounting pin of the gear selection sliding block through the rectangular groove; the signal swing arm can rotate along with the movement of the gear selecting sliding block, and the gear selecting angular displacement sensor is used for detecting the rotating angle of the signal swing arm.
In the technical scheme, a rotatable gear selecting angular displacement sensor is arranged inside a shell of the gear selecting and shifting mechanism, a signal swing arm is arranged between the gear selecting angular displacement sensor and a gear selecting sliding block, one end of the signal swing arm is fixedly connected with the gear selecting angular displacement sensor, and the other end of the signal swing arm is rotatably connected with the gear selecting sliding block.
In the shifting process of the gear selecting sliding block, the signal swing arm can rotate along with the shifting of the gear selecting sliding block, and at the moment, the gear selecting angular displacement sensor can detect the rotating angle of the signal swing arm and know the position of the gear selecting sliding block, so that the current position of the shifting block is determined, and the gear selecting device is accurately controlled.
Specifically, one side of the signal swing arm, which faces the gear selecting sliding block, is provided with a rectangular groove, and the gear selecting sliding block is provided with an installation pin, and the installation pin is located in the rectangular groove to ensure connection of the gear selecting sliding block and the signal swing arm. When the gear selecting slide block moves, the rotation of the signal swing arm is ensured by the matching of the mounting pin and the rectangular groove.
In any one of the above technical solutions, preferably, the shifting device includes: a shift motor; the gear shifting lead screw is connected with the gear shifting motor and can rotate under the driving of the gear shifting motor; the gear shifting screw rod is sleeved on the gear shifting screw rod and is connected with the gear shifting block, and the gear shifting slide block and the shifting block are respectively positioned on two opposite sides of the gear shifting shaft; the gear shifting sliding block can move along the axial direction of the gear shifting lead screw under the driving of the gear shifting motor and the gear shifting lead screw, and then the gear shifting block is driven to drive the gear shifting shaft and the shifting block to rotate.
In this technical scheme, gearshift is including the shift motor, the lead screw and the slider of shifting of mutually supporting of shifting. The gear shifting motor is used as a gear shifting power component to provide power for gear shifting; the gear shifting lead screw and the gear shifting slide block jointly form a gear shifting ball lead screw pair, and power transmission is guaranteed. Specifically, the gear shifting lead screw is connected with an output shaft of the gear shifting motor and can rotate under the driving of the gear shifting motor; the gear shifting slide block is sleeved on the gear shifting lead screw and is matched with the gear shifting lead screw.
When the user shifts, the control gear shifting motor is rotatory, and then drives the lead screw that shifts and rotate and remove with the drive slider of shifting that is located the lead screw of shifting, and the middle part and the shells inner wall that trade the dog are rotatable formula and are connected, and the slider of shifting is located the relative both ends of piece with the selector shaft respectively. The removal of the slider of shifting gears orders about the piece of shifting gears and takes place to rotate, and then drives the selector shaft and the shifting block that are connected with the piece of shifting gears and rotate, realizes the function of shifting gears.
In any one of the above technical solutions, preferably, the shifting apparatus further includes: and the shifting angular displacement sensor is arranged on the shifting shaft and used for detecting the rotating angle of the shifting shaft.
In this technical solution, a shift angular displacement sensor is provided on the shift shaft. When the gear shift shaft rotates under the drive of the gear shift motor and the gear shift block, the gear shift angular displacement sensor can detect the rotation angle of the gear shift shaft so as to determine the current position of the shifting block and guarantee the accurate control of the gear shift device.
In any of the above technical solutions, preferably, the method further includes: the controller is connected with the gear selection angular displacement sensor, the gear selection motor, the gear shifting angular displacement sensor and the gear shifting motor; the controller can control the gear selection motor to work according to the detection result of the gear selection angular displacement sensor; the controller can also control the gear shifting motor to work according to the detection result of the gear shifting angular displacement sensor.
In the technical scheme, the gear selecting and shifting mechanism is also provided with a controller. The controller is connected with the gear selection angular displacement sensor and the gear selection motor to form a gear selection control system; the controller is connected with the gear shifting angular displacement sensor and the gear shifting motor to form a gear shifting control system. Specifically, a TCU (Transmission Control Unit) is used for gear selection and shift Control.
When a user performs gear selection operation, the gear selection angular displacement sensor detects the rotation angle of the signal swing arm, and the controller drives the current gear selection position of the shifting block according to the detection result of the gear selection angular displacement sensor, so that the gear selection motor is controlled to work, and the accurate gear selection function is realized.
When a user shifts, the rotation angle of the shifting shaft is detected by the shifting angular displacement sensor, the controller drives the current shifting position of the shifting block according to the detection result of the shifting angular displacement sensor, and then the shifting motor is controlled to work, so that an accurate shifting function is realized.
In any of the above technical solutions, preferably, the method further includes: the bearing is arranged on a shell of the gear selecting and shifting mechanism, and the gear selecting lead screw is connected with the shell through the bearing; the elastic retainer ring is sleeved on the gear selecting screw rod and is positioned on one side of the gear selecting screw rod; and the spacer bush is sleeved on the gear selecting lead screw, is positioned on the other side of the gear selecting lead screw, is arranged on the shell and is used for fixing the spacer bush.
In the technical scheme, the shell is provided with a mounting hole, a bearing is arranged in the mounting hole, and the gear selecting lead screw is mounted on the shell through the bearing. In addition, an elastic retainer ring is sleeved on the gear selecting screw rod and is positioned on one side of the gear selecting motor; the gear selecting screw rod is sleeved with a spacer bush, and the spacer bush is positioned on one side of the gear selecting screw rod, which is far away from the gear selecting motor; the pressing plate is arranged on the shell, and the stability of the spacer sleeve is guaranteed.
The utility model discloses the second aspect provides a derailleur, include: the utility model discloses select gearshift in any one of the first aspect.
The utility model provides a derailleur, because of the utility model discloses arbitrary selection gearshift in the first aspect, consequently have above-mentioned whole beneficial effect who selects gearshift, consequently, do not state one by one.
The utility model discloses the third aspect provides a vehicle, include: the gear selecting and shifting mechanism according to any one of the first aspect of the present invention; or the transmission of the second aspect of the present invention. Specifically, the transmission is a transmission for a commercial vehicle.
The utility model provides a transmission, because the utility model discloses the selection gearshift of any one in the first aspect; or the transmission of the second aspect of the present invention, therefore has all the advantages of the above-mentioned gear selecting and shifting mechanism, and therefore, it is not stated one by one. In particular, the vehicle is a commercial vehicle.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a shift selection mechanism of the related art;
fig. 2 is a schematic structural view of another gear selecting and shifting mechanism in the related art.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
100 'gear selection mechanism, 102' gear selection arm, 104 'gear selection shaft, 106' shell, 108 'interlocking block, 110' gear shifting head, 112 'positioning seat and 114' gear selection swing arm.
Fig. 3 is a schematic structural diagram of a gear selecting and shifting mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of another perspective of the gear selection and shift mechanism of the embodiment of FIG. 3;
fig. 5 is a partial schematic structural view of the gear selecting and shifting mechanism of the embodiment shown in fig. 3.
Wherein, the correspondence between the reference numbers and the part names in fig. 3 to 5 is:
the automatic transmission comprises a 100 gear selecting and shifting mechanism, a 12 gear selecting device, a 122 gear selecting motor, a 124 gear selecting lead screw, a 126 gear selecting slider, a 128 guide groove, a 130 guide shaft, a 132 locking piece, a 134 gear selecting angular displacement sensor, a 136 signal swing arm, a 138 mounting pin, a 140 cylindrical block, a 14 gear shifting device, a 142 gear shifting motor, a 144 gear shifting lead screw, a 146 gear shifting slider, a 148 gear shifting angular displacement sensor, a 16 gear shifting block, an 18 gear shifting shaft, a 20 shifting block, a 22 bearing, a 24 elastic retainer ring, a 26 spacer bush and a 28 pressing plate.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Referring to fig. 3 to 5, a gear selecting and shifting mechanism 100, a transmission (not shown) and a vehicle (not shown) according to some embodiments of the present invention will be described.
The utility model provides a first aspect proposes a select gearshift 100, as shown in fig. 3 and 4, include: a shift block 16; a shift shaft 18 inserted through the shift block 16; the shifting block 20 is sleeved on the gear shifting shaft 18; a gear selector 12 connected to the shift block 20, the shift block 20 being movable in the axial direction of the shift shaft 18 by the gear selector 12; a shift device 14 connected to the shift block 16, wherein the shift shaft 18 and the shift block 20 are driven to rotate by the shift device 14 and the shift block 16; the shifting device 14 and the gear selecting device 12 are arranged at a preset angle.
The gear selecting and shifting mechanism 100 provided by the utility model realizes the gear selecting function by driving the shifting block 20 to move along the axial direction of the gear shifting shaft 18 through the gear selecting device 12; the shifting block 20 is driven to rotate by the gear shifting device 14, so that a gear shifting function is realized, and the gear selecting device 12 and the gear shifting device 14 are matched with each other, so that the gear selecting and shifting function of the transmission is ensured. Specifically, the shift shaft 18 penetrates through the shift block 16 and is fixedly connected with the shift block 16; the shifting block 20 is sleeved on the shift shaft 18 and movably connected with the shifting block 20, and the shifting block 20 can move along the axial direction of the shift shaft 18; the selector 12 is directly connected to the shift block 20, the shift device 14 is indirectly connected to the shift block 20 via the shift block 16 and the shift shaft 18, and the predetermined angle is 90 °, and the selector 12 is arranged perpendicular to the shift device 14.
When gear selecting and shifting are needed, the gear selecting device 12 drives the shifting block 20 to move along the axial direction of the gear shifting shaft 18, so that a gear selecting function is realized; after the shift block 20 moves to the predetermined position, the shift device 14 drives the shift block 16 to rotate, and the rotation of the shift block 16 drives the shift shaft 18 to rotate, so as to drive the shift block 20 on the shift shaft 18 to rotate, thereby realizing the shift function.
The utility model provides a select gearshift 100 has cancelled ordinary commercial car derailleur and has selected the gearshift arm, the stay wire isotructure that gearshift and control chamber are connected for select gearshift overall structure simple, the operation of being convenient for, the reliability is higher, helps promoting the accuracy of selecting gearshift 100 and the convenience of operation.
In an embodiment of the present invention, preferably, as shown in fig. 3 and 4, the gear selecting device 12 includes: a gear selection motor 122; the gear selecting screw rod 124 is connected with the gear selecting motor 122 and can rotate under the driving of the gear selecting motor 122; and the gear selecting sliding block 126 is sleeved on the gear selecting lead screw 124 and is connected with the shifting block 20, and the gear selecting sliding block 126 can drive the shifting block 20 to move along the axial direction of the gear shifting shaft 18 under the driving of the gear selecting motor 122 and the gear selecting lead screw 124.
In this embodiment, the gear selecting device 12 includes a gear selecting motor 122, a gear selecting lead screw 124 and a gear selecting slider 126, which are used in cooperation with each other. The gear selecting motor 122 serves as a gear selecting power component and provides gear selecting power for gear selection, and the gear selecting lead screw 124 and the gear selecting slider 126 jointly form a gear selecting ball screw pair to ensure power transmission.
Specifically, the gear selecting screw 124 is connected to an output end of the gear selecting motor 122 and can be driven by the gear selecting motor 122 to rotate; the gear selecting slide block 126 is sleeved on the gear selecting lead screw 124 and is matched with the gear selecting lead screw 124. When a user performs a gear selection operation, the gear selection motor 122 is controlled to rotate to drive the gear selection screw 124 to rotate so as to drive the gear selection slider 126 on the gear selection screw 124 to move, the gear selection slider 126 is connected with the shift block 20, and the movement of the gear selection slider 126 drives the shift block 20 to move along the axial direction of the gear shifting shaft 18, so that a gear selection function is realized.
In an embodiment of the present invention, preferably, as shown in fig. 3 and fig. 5, the gear selecting slider 126 is provided with a guiding groove 128, the gear selecting device 12 further includes a guiding shaft 130 and a locking member 132 disposed at an end of the guiding shaft 130, the guiding shaft 130 is located in the guiding groove 128, and a dimension of the locking member 132 is larger than a diameter of the guiding shaft 130.
In this embodiment, the upper surface of the gear selecting slider 126 is provided with a guide groove 128, the gear selecting device 12 further includes a guide shaft 130, the guide shaft 130 is arranged in the same direction as the gear selecting screw 124, and the guide shaft 130 is matched with the guide groove 128 and is located in the guide groove 128. In the process that the gear selection screw 124 drives the gear selection sliding block 126 to move, the matching of the guide shaft 130 and the guide groove 128 plays a good guiding role, and the moving direction of the shifting block 20 is ensured. In addition, be provided with retaining member 132 in the one end of guiding axle 130 keeping away from selection and keep off motor 122, and the size of retaining member 132 is greater than the diameter of guiding axle 130, plays good limiting displacement, avoids causing the condition emergence that selection keeps off slider 126 and break away from selection and keep off lead screw 124 because selection keeps off motor 122 excessively rotatory, guarantees the safe in utilization of selecting gearshift 100. In one embodiment, retaining member 132 is a bolt.
In an embodiment of the present invention, preferably, as shown in fig. 3, the gear selecting device 12 further includes: a gear selecting angular displacement sensor 134 arranged on the shell of the gear selecting and shifting mechanism 100 and rotatably connected with the inner wall of the shell; a signal swing arm 136, wherein one end of the signal swing arm 136 is connected with the gear selection angular displacement sensor 134, the other end is provided with a rectangular groove (not shown in the figure), and the signal swing arm 136 is connected with a mounting pin 138 of the gear selection sliding block 126 through the rectangular groove; the signal swing arm 136 can rotate along with the movement of the gear selection slider 126, and the gear selection angular displacement sensor 134 is used for detecting the rotation angle of the signal swing arm 136.
In this embodiment, a rotatable gear selection angular displacement sensor 134 is disposed inside the housing of the gear selection and shift mechanism 100, a signal swing arm 136 is disposed between the gear selection angular displacement sensor 134 and the gear selection slider 126, one end of the signal swing arm 136 is fixedly connected to the gear selection angular displacement sensor 134, and the other end is rotatably connected to the gear selection slider 126.
In the moving process of the gear selecting slider 126, the signal swing arm 136 rotates along with the movement of the gear selecting slider 126, and at this time, the gear selecting angular displacement sensor 134 can detect the rotation angle of the signal swing arm 136, and know the position of the gear selecting slider 126, so as to determine the current position of the shift block 20, and ensure the accurate control of the gear selecting device 12.
Specifically, a rectangular groove is formed in one side, facing the gear selection sliding block 126, of the signal swing arm 136, a mounting pin 138 is arranged on the gear selection sliding block 126, and the mounting pin 138 is located in the rectangular groove to ensure connection between the gear selection sliding block 126 and the signal swing arm 136. When the gear selecting slide block 126 moves, the installation pin 138 is matched with the rectangular groove to ensure the rotation of the signal swing arm 136.
In an embodiment of the present invention, preferably, as shown in fig. 4 and 5, the gear shift device 14 includes: a shift motor 142; a shift screw 144 connected to the shift motor 142 and driven by the shift motor 142 to rotate; the gear shifting lead screw 144 is sleeved on the gear shifting lead screw 144 and is connected with the gear shifting block 16, and the gear shifting slider 146 and the shifting block 20 are respectively positioned at two opposite sides of the gear shifting shaft 18; the shift slider 146 can move along the axial direction of the shift screw 144 under the driving of the shift motor 142 and the shift screw 144, and then drives the shift block 16 to rotate the shift shaft 18 and the shift block 20.
In this embodiment, the shifting device 14 includes a shift motor 142, a shift screw 144, and a shift slider 146 that cooperate with each other. Wherein, the gear shifting motor 142 is used as a gear shifting power component to provide power for gear shifting; the gear shifting lead screw 144 and the gear shifting slide block 146 jointly form a gear shifting ball screw pair, so that power transmission is guaranteed.
Specifically, the shift screw 144 is connected to an output shaft of the shift motor 142 and is driven by the shift motor 142 to rotate; the shift slide 146 is sleeved on the shift lead screw 144 and is adapted to the shift lead screw 144.
When a user shifts, the shift motor 142 is controlled to rotate, so as to drive the shift screw 144 to rotate to drive the shift slider 146 on the shift screw 144 to move, the middle part of the shift block 16 is rotatably connected with the inner wall of the housing, and the shift slider 146 and the shift shaft 18 are respectively located at two opposite ends of the shift block 16. The shift block 16 is driven to rotate by the movement of the shift slider 146, and the shift shaft 18 and the shift block 20 connected with the shift block 16 are driven to rotate, so that the shift function is realized.
In an embodiment of the present invention, preferably, as shown in fig. 4 and 5, the gear shifting device 14 further includes: and a shift angular displacement sensor 148 provided to the shift shaft 18 for detecting a rotation angle of the shift shaft 18.
In this embodiment, a shift angular displacement sensor 148 is provided on the shift shaft 18. When the shift shaft 18 is driven by the shift motor and the shift block 16 to rotate, the angular shift displacement sensor 148 can detect the rotation angle of the shift shaft 18 to determine the current position of the shift block 20, so as to ensure accurate control of the shifting device 14.
In an embodiment of the present invention, preferably, the method further includes: a controller (not shown) connected to the gear selection angular displacement sensor 134, the gear selection motor 122, the gear shift angular displacement sensor 148 and the gear shift motor 142; the controller can control the gear selection motor 122 to work according to the detection result of the gear selection angular displacement sensor 134; the controller may also control the operation of the shift motor 142 according to the detection result of the shift angular displacement sensor 148.
In this embodiment, the gear selection and shift mechanism 100 is further provided with a controller. Wherein, the controller is connected with the gear selection angular displacement sensor 134 and the gear selection motor 122 to form a gear selection control system; the controller is connected with the shift angular displacement sensor 148 and the shift motor 142 to form a shift control system. Specifically, the TCU is adopted for gear selecting and shifting control.
When a user selects a gear, the gear selection angular displacement sensor 134 detects the rotation angle of the signal swing arm 136, and the controller drives the current gear selection position of the shift block 20 according to the detection result of the gear selection angular displacement sensor 134, so as to control the gear selection motor 122 to work, thereby realizing an accurate gear selection function.
When a user shifts, the shift angular displacement sensor 148 detects the rotation angle of the shift shaft 18, and the controller drives the current shift position of the shift block 20 according to the detection result of the shift angular displacement sensor 148, so as to control the shift motor 142 to work, thereby realizing the accurate shift function.
In an embodiment of the present invention, preferably, the method further includes: the bearing 22 is arranged on a shell of the gear selecting and shifting mechanism 100, and the gear selecting lead screw 124 is connected with the shell through the bearing 22; the elastic retainer ring 24 is sleeved on the gear selecting lead screw 124 and is positioned on one side of the gear selecting lead screw 124; and the spacer bush 26 is sleeved on the gear selecting screw rod 124, is positioned on the other side of the gear selecting screw rod 124, is arranged on the shell, and is used for fixing the spacer bush 26.
In this embodiment, a mounting hole is formed in the housing, a bearing 22 is disposed in the mounting hole, and the gear selecting screw 124 is mounted on the housing through the bearing 22. In addition, the gear selecting screw 124 is sleeved with a circlip 24, and the circlip 24 is positioned on one side of the gear selecting motor 122; the gear selecting screw 124 is sleeved with a spacer bush 26, and the spacer bush 26 is positioned on one side of the gear selecting screw 124, which is far away from the gear selecting motor 122; the housing is provided with a pressure plate 28 to ensure the stability of the spacer 26.
In an embodiment, as shown in fig. 3 to 5, the present invention is directed to improve the accuracy of the gear selecting and shifting mechanism 100 and the convenience of the operation of the gear selecting and shifting mechanism 100.
The utility model provides a selection gearshift 100 of commercial car derailleur, its inside main function structure includes: the gear shifting mechanism comprises a shell, a gear selecting motor 122, a gear selecting angular displacement sensor 134, a gear selecting ball screw pair (composed of a gear selecting screw 124 and a gear selecting slider 126), a signal swing arm 136, a guide shaft 130, a locking bolt, a gear shifting motor 142, a gear shifting angular displacement sensor 148, a shifting block 20, a gear shifting shaft 18, a gear shifting block 16, a gear shifting ball screw pair (composed of a gear shifting screw 144 and a gear shifting slider 146), a bearing 22, an elastic retainer ring 24, a spacer bush 26 and a pressure plate 28.
The gear selecting function is realized: as shown in fig. 3 and 5, the gear selecting ball screw pair is positioned in a corresponding hole of the housing of the gear selecting and shifting mechanism 100 through a bearing 22, the gear selecting screw 124 can rotate in a matching hole of the bearing 22, and the gear selecting ball screw pair is axially pressed and fixed through the elastic retainer ring 24, the spacer 26 and the pressure plate 28. One end of the gear selecting screw 124 is provided with a flat square, the flat square is matched with the gear selecting motor 122, and the gear selecting motor 122 can drive the gear selecting screw 124 to rotate. The gear selecting slide block 126 is provided with a mounting pin 138, the gear selecting slide block 126 is matched with a rectangular groove of the signal swing arm 136, when the gear selecting lead screw 124 rotates, the gear selecting slide block 126 on the gear selecting lead screw 124 is driven to move along the axial direction of the gear selecting lead screw 124, so that the signal swing arm 136 is driven to rotate, the signal swing arm 136 is matched with the gear selecting angular displacement sensor 134, the rotating angle of the signal swing arm 136 is accurately transmitted to the gear selecting angular displacement sensor 134, and the gear selecting angular displacement sensor 134 is fixed on the shell through bolt pressing. The top of the gear selecting slide block 126 on the gear selecting screw 124 is provided with a guide groove 128, the guide groove 128 is matched with a guide shaft 130, the guide shaft 130 is assembled in a hole of the shell in an interference mode, and the guide shaft 130 is pressed tightly through a locking bolt to prevent the guide shaft 130 from moving axially.
When the gear selecting slide block 126 on the gear selecting screw rod 124 moves on the gear selecting screw rod 124, the gear selecting slide block 126 is ensured not to swing in the movement process due to the matching of the guide groove 128 and the guide shaft 130. The gear selection slider 126 has a cylindrical block 140 on one side, the cylindrical block 140 is inserted into the corresponding groove, and the dial 20 is spline-fitted on the shift shaft 18 and axially movable on the shift shaft 18. When the gear selection slider 126 moves on the gear selection lead screw 124, the shift block 20 is simultaneously moved axially on the gear shift shaft 18, and thus the gear selection function is realized.
The gear shifting function is realized: as shown in fig. 4 and 5, both ends of the shift shaft 18 are fixed to the housing of the shift mechanism 100 by bearings 22, the shift shaft 18 is rotatable in the bearing holes, the axial direction of the shift shaft 18 is axially limited by the housing limit and the pressing of the circlip 24, the spacer 26 and the shift angular displacement sensor 148, and the shift shaft 18 cannot axially move. One end of the shift shaft 18 is provided with a flat square which is matched with the shift angular displacement sensor 148, when the shift shaft 18 rotates, the rotation angle information can be accurately transmitted to the shift angular displacement sensor 148, and the shift angular displacement sensor 148 is fixed on a shell of the shift mechanism 100 through bolts. The shift shaft 18 is also connected with a shift block 16 through a spline, when the shift block 16 rotates, the shift shaft 18 can be driven to rotate, meanwhile, a shifting block 20 in spline fit is arranged on the shift shaft 18, and when the shift shaft 18 rotates, the shifting block 20 is driven to rotate, so that the gear shifting function is realized.
The shift block has two cylindrical slots that cooperate with the cylindrical blocks 140 of the shift slide 146 to rotate the shift block 16 when the shift slide 146 is moved on the shift lead screw 144. The shift screw 144 is positioned in a corresponding hole of the housing of the shift selection actuator 100 through the bearing 22, the shift screw 144 can rotate in the bearing fitting hole, and the shift screw 144 is axially fixed by the elastic collar 24 and the pressure plate 28. One end of the shift screw 144 has a flat square, which is matched with the shift motor 142, and the shift motor 142 can drive the shift screw 144 to rotate.
The working principle is as follows: and the gear selecting and shifting control is carried out through the TCU, the angular displacement sensor is used for judging the gear selecting and shifting position, the signal is sent to the TCU, the judgment is carried out according to the signal TCU, and the signal is transmitted to the gear selecting and shifting motor.
The gear selection principle is that a gear selection motor 122 is connected with a gear selection ball screw pair, the gear selection motor 122 rotates a gear selection screw 124 to rotate, so that a gear selection sliding block 126 moves, one end of the gear selection sliding block 126 is connected with a signal swinging arm 136, when the gear selection sliding block 126 moves, the signal swinging arm 136 is driven to rotate, the signal swinging arm 136 is connected with a gear selection angular displacement sensor 134, the gear selection angular displacement sensor 134 feeds back received angle signals to a TCU, and when the gear selection sliding block 126 moves, a shifting block 20 is driven to move on a gear shifting shaft 18, so that gear selection is achieved.
The gear shifting principle is that a gear shifting motor 142 is connected with a gear shifting ball screw pair, the gear shifting motor 142 rotates to drive a gear shifting screw 144 to rotate, so that a gear shifting slider 146 moves, the gear shifting slider 146 moves to drive a gear shifting block 16 to rotate, the gear shifting block 16 rotates to drive a gear shifting shaft 18 to rotate, one end of the gear shifting shaft 18 is connected with a gear shifting angular displacement sensor 148, the gear shifting angular displacement sensor 148 feeds back received angle signals to a TCU, and meanwhile, the gear shifting shaft 18 rotates to drive a shifting block 20 to rotate, so that gear shifting is achieved.
The utility model provides a select gearshift 100's advantage lies in through TCU control, according to whole car speed, throttle size, acceleration confirm shift opportunity and automatic shift, convenient operation; due to the accurate position discrimination of the angular displacement sensor and the accurate program control of the TCU, the accuracy and the reliability of the gear selecting and shifting operation position of the mechanism can be ensured.
The utility model provides a selection gearshift 100 of derailleur for commercial vehicle, its innovation point lies in the selection gearshift 100 that has cancelled ordinary derailleur for commercial vehicle and is connected with the control chamber selects the gear shift arm, acts as go-between, the control of shifting is selected for the people according to the car condition, the substitute utilizes TCU to select the operation of shifting according to the car condition, need not to step on separation and reunion and automatic shifting, convenient operation to select the stroke of shifting through TCU and the accurate control of angle displacement sensor, the assurance is selected the accuracy and the reliability of the operating position of shifting.
The utility model discloses the second aspect provides a derailleur, include: a gear selection and shift mechanism 100 according to any one of the first aspect of the present invention.
The utility model provides a derailleur, because of the utility model discloses any one in the first aspect selects gearshift 100, consequently has above-mentioned whole beneficial effect who selects gearshift 100, consequently, does not state one by one.
The utility model discloses the third aspect provides a vehicle, include: a gear selection and shift mechanism 100 according to any one of the first aspect of the present invention; or the transmission of the second aspect of the present invention. Specifically, the transmission is a transmission for a commercial vehicle.
The utility model provides a transmission, because the gear selecting and shifting mechanism 100 of any one of the first aspect of the utility model; or the transmission of the second aspect of the present invention, therefore has all the advantages of the above-mentioned gearshift mechanism 100, and therefore, is not stated one by one. In particular, the vehicle is a commercial vehicle.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A gear selection and shift mechanism, comprising:
changing a stop block;
the gear shifting shaft penetrates through the gear shifting block;
the shifting block is sleeved on the gear shifting shaft;
the gear selecting device is connected with the shifting block, and the shifting block can move along the axial direction of the gear shifting shaft under the driving of the gear selecting device;
the gear shifting device is connected with the gear shifting block, and the gear shifting shaft and the shifting block can be driven by the gear shifting device and the shifting block to rotate;
the gear shifting device and the gear selecting device are arranged at a preset angle.
2. The gear selection and shift mechanism according to claim 1, wherein the gear selection device includes:
a gear selecting motor;
the gear selecting screw rod is connected with the gear selecting motor and can rotate under the driving of the gear selecting motor;
and the gear selecting sliding block is sleeved on the gear selecting lead screw and is connected with the shifting block, and the gear selecting sliding block can drive the shifting block to move along the axial direction of the gear shifting shaft under the driving of the gear selecting motor and the gear selecting lead screw.
3. The gear selection and shift mechanism of claim 2,
the gear selecting device is characterized in that a guide groove is formed in the gear selecting sliding block, the gear selecting device further comprises a guide shaft and a locking piece arranged at the end of the guide shaft, the guide shaft is located in the guide groove, and the size of the locking piece is larger than the diameter of the guide shaft.
4. The gear selection and shift mechanism according to claim 2, wherein the gear selection device further includes:
the gear selecting and shifting angular displacement sensor is arranged on the shell of the gear selecting and shifting mechanism and is rotatably connected with the inner wall of the shell;
one end of the signal swing arm is connected with the gear selecting angular displacement sensor, the other end of the signal swing arm is provided with a rectangular groove, and the signal swing arm is connected with a mounting pin of the gear selecting sliding block through the rectangular groove; the signal swing arm can rotate along with the movement of the gear selection sliding block, and the gear selection angular displacement sensor is used for detecting the rotating angle of the signal swing arm.
5. The gear selection and shift mechanism of claim 4, wherein the shift device includes:
a shift motor;
the gear shifting lead screw is connected with the gear shifting motor and can rotate under the driving of the gear shifting motor;
the gear shifting sliding block is sleeved on the gear shifting lead screw and is connected with the gear shifting block, and the gear shifting sliding block and the shifting block are respectively positioned on two opposite sides of the gear shifting shaft;
the gear shifting sliding block can move along the axial direction of the gear shifting lead screw under the driving of the gear shifting motor and the gear shifting lead screw, and then the gear shifting block is driven to drive the gear shifting shaft and the shifting block to rotate.
6. The gear selection and shift mechanism of claim 5, wherein the shift device further comprises:
and the shifting angular displacement sensor is arranged on the shifting shaft and used for detecting the rotating angle of the shifting shaft.
7. The gear selection and shift mechanism of claim 6, further comprising:
the controller is connected with the gear selection angular displacement sensor, the gear selection motor, the gear shifting angular displacement sensor and the gear shifting motor;
the controller can control the gear selection motor to work according to the detection result of the gear selection angular displacement sensor;
the controller can also control the gear shifting motor to work according to the detection result of the gear shifting angular displacement sensor.
8. The gear selection and shift mechanism according to any one of claims 2 to 7, further comprising:
the bearing is arranged on a shell of the gear selecting and shifting mechanism, and the gear selecting lead screw is connected with the shell through the bearing;
the elastic retainer ring is sleeved on the gear selecting lead screw and is positioned on one side of the gear selecting lead screw;
the spacer bush is sleeved on the gear selecting lead screw and is positioned on the other side of the gear selecting lead screw;
and the pressing plate is arranged on the shell and used for fixing the spacer bush.
9. A transmission, comprising:
the gear selection and shift mechanism according to any one of claims 1 to 8.
10. A vehicle, characterized by comprising:
the gear selection and shift mechanism according to any one of claims 1 to 8;
or a transmission as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921121734.XU CN210531592U (en) | 2019-07-17 | 2019-07-17 | Select gearshift, derailleur and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921121734.XU CN210531592U (en) | 2019-07-17 | 2019-07-17 | Select gearshift, derailleur and vehicle |
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| Publication Number | Publication Date |
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| CN210531592U true CN210531592U (en) | 2020-05-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360315A (en) * | 2019-07-17 | 2019-10-22 | 浙江万里扬股份有限公司 | Gear shift mechanism, speed changer and vehicle |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360315A (en) * | 2019-07-17 | 2019-10-22 | 浙江万里扬股份有限公司 | Gear shift mechanism, speed changer and vehicle |
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