CN114593205A - Shifting fork mechanism of automobile transmission - Google Patents
Shifting fork mechanism of automobile transmission Download PDFInfo
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- CN114593205A CN114593205A CN202210326482.4A CN202210326482A CN114593205A CN 114593205 A CN114593205 A CN 114593205A CN 202210326482 A CN202210326482 A CN 202210326482A CN 114593205 A CN114593205 A CN 114593205A
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- assembly
- damping
- shifting fork
- eccentric
- locking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
- F16F15/085—Use of both rubber and metal springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0006—Vibration-damping or noise reducing means specially adapted for gearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
- F16H2063/325—Rocker or swiveling forks, i.e. the forks are pivoted in the gear case when moving the sleeve
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides a shifting fork mechanism of an automobile transmission, which comprises a shifting fork base body component, an eccentric adjusting assembly, a combined locking assembly, a damping assembly, a buffering assembly and a springing clamping assembly, wherein a shifting fork base body in the shifting fork base body component is arranged in a shifting fork shaft through the eccentric adjusting assembly, and the actual installation state of the shifting fork base body can be adjusted through mechanical transmission of a screwing rotating shaft and an eccentric wheel; the rotation state of the rotating shaft and the eccentric wheel can be locked through the combined locking assembly arranged between the rotating eccentric holes, so that the adjustment state of the shifting fork base body is ensured; meanwhile, a buffering assembly and a spring clamping assembly are further arranged in the shifting fork bayonet, vibration generated by rotation of the transmission main shaft can be buffered through a buffering pad in the buffering assembly, the stability of installation of the buffering assembly and the transmission main shaft can be guaranteed through a spring clamping clip of the spring clamping assembly, and meanwhile, a damping assembly is further arranged behind the buffering assembly, so that vibration of the transmission main shaft can be eliminated, and the operation quality is guaranteed.
Description
Technical Field
The invention relates to the technical field of automobile transmission devices, in particular to a shifting fork mechanism for shifting an automobile transmission.
Background
The gear shifting fork belongs to a small thin-wall part, is one of key parts of an automobile gearbox, plays an important role in changing speed and changing motion direction, and more importantly, the gear shifting fork works under the conditions of impact and abrasion, so that higher requirements are provided for the processing and mounting precision of the gear shifting fork connected with different gears.
However, due to the limitation of the current processing technology, the shift fork is easy to deform in the processing process, and due to the existence of processing errors, the phenomenon that the multiple groups of shift forks are not concentric with the shift fork shaft can occur in the assembling process.
The traditional method for correcting and assembling mainly depends on manual hammering by experience to eliminate the assembling error of each group of gear shifting forks.
Disclosure of Invention
In order to solve at least one of the technical problems existing in the background technology, the invention provides a shifting fork mechanism of an automobile transmission, which comprises a fork base component, an eccentric adjusting assembly, a combined locking assembly, a damping assembly, a buffering assembly and a spring clip assembly, wherein the fork base component comprises a fork bayonet, the eccentric adjusting assembly comprises an eccentric wheel and a rotating shaft, the combined locking assembly comprises an adjusting screw, the damping assembly comprises a damping slide seat, the buffering assembly comprises a buffer cushion, and the spring clip assembly comprises a clip spring;
a shifting fork bayonet in the shifting fork base body assembly is an installation main body of the shifting fork mechanism, an eccentric hole is eccentrically formed in the rear end of the shifting fork bayonet, and a shifting fork shaft is transversely and eccentrically connected in the eccentric hole;
an eccentric wheel in the eccentric adjusting assembly is screwed in the eccentric hole, the shifting fork shaft is eccentrically connected in the eccentric wheel, the rotating shaft is rotatably arranged at one end of the eccentric wheel, and the rotating shaft is in transmission connection with the eccentric wheel;
an adjusting screw in the combined locking assembly is screwed between the eccentric wheel and the rotating shaft, locking columns are elastically connected between the rotating shaft and the lower end of the adjusting screw and between the eccentric wheel and the lower end of the adjusting screw, the rear end of each group of locking columns is fixedly connected with an elastic inclined seat, and the inclined plane direction of the elastic inclined seats is upward, so that the rotating shaft and the eccentric wheel can be synchronously locked and released by screwing the adjusting screw through the two groups of elastic inclined seats to drive the locking columns;
shock attenuation slide bullet among the shock attenuation assembly is connected in the rear end of pulling out the fork bayonet socket, and blotter interference fit joint in the buffering assembly is installed in pulling out the fork bayonet socket, and the shock attenuation slide can with the rear end elastic connection of blotter, and the opening both sides of pulling out the fork bayonet socket are located to the clamping shell fragment elasticity card of bullet in the clamping assembly, and the rear end of every group clamping shell fragment all can with the both ends elasticity joint of the blotter that corresponds.
Furthermore, the clamping spring is made of a metal sheet material, specifically 304 stainless steel.
Further, the shifting fork base body assembly further comprises a shifting fork base body and a shifting fork seat, the shifting fork base body is a main structure body of the shifting fork structure, the shifting fork bayonet is connected to the front end of the shifting fork base body, the shifting fork seat is connected to the rear end of the shifting fork base body, the eccentric hole is arranged in the shifting fork seat in an eccentric mode, and the middle position of the shifting fork base body is further provided with a damping clamping position.
Further, the eccentric adjustment assembly further comprises an eccentric gear, a connecting gear and a rotating gear, the eccentric gear is installed at the outer shaft end of the eccentric gear in a splicing mode, the connecting gear is meshed on one side of the eccentric gear, a connecting shaft is fixed to the position, corresponding to the connecting gear, of the main face of the shifting fork base body, the connecting gear is connected to the connecting shaft in a rotating mode, the rotating gear is meshed on the other side of the connecting gear, the rotating gear is fixed to one end of a rotating shaft in a splicing mode, a rotating position is arranged on the position, corresponding to the rotating shaft, of the main face of the shifting fork base body, the rotating shaft is connected to the rotating position in a rotating mode, a rotating hole of a hexagonal structure is formed in the other end of the rotating shaft, and an operator can screw the rotating shaft through the rotating hole by a standard tool.
Furthermore, the combined locking assembly also comprises a screw position, an adjusting position and locking compression springs, wherein the adjusting position is connected between the rotating position and the shifting fork seat, an inner sliding cavity of the adjusting position is communicated with the rotating position and an eccentric hole, the screw position is connected above the adjusting position, an adjusting screw is in the screw position in a threaded manner, an eccentric locking hole is arranged between the eccentric hole and the inner sliding cavity of the adjusting position, an adjusting locking hole is arranged between the rotating position and the inner sliding cavity of the adjusting position, two groups of locking columns are in sliding connection in the inner sliding cavity of the adjusting position through a springing inclined seat, the top ends of the two groups of locking columns can be in sliding insertion in the eccentric locking hole and the adjusting locking hole, the two groups of locking compression springs are respectively in insertion connection in the corresponding locking columns, one end of one group of the locking compression springs is clamped on a joint surface between the eccentric locking hole and the inner sliding cavity of the adjusting position, the other end of the locking compression springs is clamped at the rear end of the springing inclined seat corresponding to the group of the locking columns, one end of the other group of locking pressure springs is clamped on a joint surface between the adjusting locking hole and the adjusting position inner slide cavity, and the other end of the other group of locking pressure springs is clamped on the rear end of the elastic inclined seat corresponding to the group of locking columns.
Furthermore, the outer diameter of the elastic inclined seat is larger than that of the locking column, the diameter of the eccentric locking hole corresponds to that of the adjusting locking hole, and the diameter of the elastic inclined seat corresponds to that of the inner sliding cavity of the adjusting position.
Furthermore, the damping assembly further comprises damping slide holes, damping guide seats and damping adjusting screws, wherein the two groups of damping slide holes are symmetrically communicated and arranged at the joint of the damping clamping position and the bayonet of the shifting fork, the two groups of damping slide seats are respectively connected in the corresponding damping slide holes in a sliding manner, damping spring guide holes are formed in the two sides of the outer wall of the damping clamping position and correspond to the damping slide holes, damping springs are clamped at the rear ends of each group of damping slide seats, the two groups of damping springs are respectively inserted in the corresponding damping spring guide holes, the two groups of damping guide seats are respectively connected at the rear ends of the damping springs, the two groups of damping adjusting screws are respectively connected in the corresponding damping spring guide holes in a threaded manner, the top ends of the two groups of damping adjusting screws are elastically connected with the corresponding damping guide seats, and the elastic stress of the damping slide seats can be adjusted by screwing the damping adjusting screws.
Furthermore, the buffering assembly also comprises buffering clamping grooves, a plurality of groups of buffering clamping grooves are uniformly formed in the inner wall of the shifting fork bayonet, buffering clamping seats are fixedly connected to the outer wall of the buffering cushion and the positions corresponding to the buffering clamping grooves, the buffering cushion is clamped and installed in the buffering clamping grooves through the plurality of groups of buffering clamping seats, and after the buffering cushion is clamped and installed in the shifting fork bayonet, the two groups of damping sliding seats can be elastically clamped and connected at the rear end of the buffering cushion;
further, the buffer pad is made of wear-resistant resin, specifically polyetheretherketone.
Furthermore, the elastic clamping assembly also comprises clamping positions and front clamping grooves, two groups of clamping positions are symmetrically arranged on the inner side surfaces at two ends of an opening of the shifting fork bayonet, the front end of each group of clamping positions is provided with a front positioning groove, the rear end of each group of clamping positions is provided with a front connecting groove, the two groups of front connecting grooves can be communicated with two ends of a cushion pad arranged in the shifting fork bayonet, the two groups of clamping elastic sheets are respectively arranged in the corresponding clamping positions, one ends of the two groups of clamping elastic sheets are clamped in the corresponding front positioning grooves, the other ends of the two groups of clamping elastic sheets are slidably inserted in the corresponding front connecting grooves, the front clamping grooves are arranged at the positions corresponding to the front connecting grooves at two ends of the cushion pad, after the rotary main shaft of the speed changer is clamped and installed through the cushion pad, the two groups of clamping elastic sheets can be exactly clamped on the rotary main shaft of the speed changer, and simultaneously, due to the extrusion of the rotary main shaft to the clamping elastic deformation of the clamping elastic sheets, so that one ends of the two groups of clamping elastic pieces are clamped in the corresponding front clamping grooves.
Compared with the existing gear shifting fork shifting mechanism of the automobile transmission, the gear shifting fork shifting mechanism of the automobile transmission provided by the invention has the following advantages:
1. the invention can solve the problem that a plurality of groups of shifting fork bayonets are not concentric relative to the mounting of the shifting fork shaft, and can eliminate the vibration generated by the transmission of the main shaft of the transmission, thereby improving the quality of the operation process.
2. When different shifting fork bayonets are installed according to gears with different transmission ratios, because the problem that a plurality of groups of shifting fork bayonets are not concentric relative to a shifting fork shaft after the installation of the plurality of groups of shifting fork bayonets is finished can be solved by arranging the eccentric adjusting assembly capable of being eccentrically adjusted, the problem that the plurality of groups of shifting fork bayonets are not concentric relative to the shifting fork shaft after the installation of the plurality of groups of shifting fork bayonets is finished is solved, after the plurality of groups of shifting fork bayonets are inserted and fixed in the same shifting fork shaft through the eccentric wheel at the rear end, the corresponding rotating shaft is adjusted and screwed according to the actual installation error, the rotating gear is driven to rotate, the rotating shaft drives the corresponding eccentric gear to rotate through the connecting gear, so that the rotating of the corresponding eccentric wheel can be driven, the installation positions of the shifting fork base body and the shifting fork bayonets relative to the shifting fork shaft can be changed, and all the groups of shifting fork bayonets can be adjusted to be concentric positions relative to the shifting fork shaft, the operation is simple.
3. The invention is also provided with a combined locking assembly between the rotating shaft and the eccentric wheel, and the eccentric wheel and the rotating shaft can be synchronously locked at an eccentric adjusting position by screwing the adjusting screws corresponding to each group of rotating shafts, thereby being safe and reliable.
4. The invention also provides a buffering assembly and a spring clamping assembly at the fork bayonet in the fork base body component, and the buffering assembly and the spring clamping assembly are installed in a contact manner through the non-metal buffering pad and the transmission main shaft, so that the shock generated in the rotation process of the transmission main shaft can be buffered, the fork base body component can be protected, and the service life of the fork base body component can be prolonged; simultaneously through the elasticity with blotter elastic connection move the clamping assembly, both can guarantee the reliability to derailleur main shaft clamping, still can be with the blotter chucking simultaneously at the mounted position, and the rear of buffering assembly still is equipped with the shock attenuation assembly, and the shock attenuation slide in the shock attenuation assembly is connected with the blotter elasticity, and when the accessible shock attenuation spring eliminated vibrations, through the extrusion of shock attenuation slide to the blotter outer wall, can increase the reliability of blotter installation once more.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of an overall structure of a shifting fork mechanism of an automobile transmission provided by the invention;
FIG. 2 is a schematic structural view of the yoke base assembly of the present invention;
FIG. 3 is a schematic view of a first perspective of the eccentric adjustment assembly of the present invention;
FIG. 4 is a schematic view of a second perspective of the eccentric adjustment assembly of the present invention;
FIG. 5 is a schematic view of the eccentric wheel portion of the eccentric adjustment assembly of the present invention;
FIG. 6 is a schematic view of the installation structure of the union locking assembly of the present invention;
FIG. 7 is a schematic view of the combination locking assembly of the present invention;
FIG. 8 is a schematic view of the internal structure of the combination locking assembly of the present invention;
FIG. 9 is a schematic view of the resilient angled seat portion of the combination locking assembly of the present invention;
FIG. 10 is a schematic view of the adjustment feature of the combination lock assembly of the present invention;
FIG. 11 is a schematic structural view of the shock absorbing assembly of the present invention;
FIG. 12 is a schematic view of a cushion assembly according to the present invention;
FIG. 13 is a schematic view of the snap clip assembly of the present invention.
Reference numerals: 1. a yoke base assembly; 2. an eccentric adjustment assembly; 3. a joint locking assembly; 4. a shock absorbing assembly; 5. a buffer assembly; 6. springing the clip assembly; 101. a shifting fork base body; 102. a fork pulling bayonet; 103. pulling out the fork seat; 104. pulling a fork shaft; 105. an eccentric hole; 106. damping and clamping; 201. an eccentric wheel; 202. an eccentric gear; 203. a connecting gear; 204. a connecting shaft; 205. a rotating gear; 206. a rotating shaft; 207. rotating; 208. rotating the hole; 301. an adjusting screw; 302. a screw position; 303. adjusting the position; 304. a locking post; 305. locking the pressure spring; 306. the inclined seat is bounced; 307. an eccentric locking hole; 308. adjusting the locking hole; 401. a shock-absorbing slide hole; 402. a shock-absorbing slide; 403. a damping spring guide hole; 404. a damping spring; 405. a shock-absorbing guide seat; 406. a damping adjusting screw; 501. a cushion pad; 502. a buffer slot; 503. buffering the card seat; 601. clamping positions; 602. clamping the elastic sheet; 603. a front positioning groove; 604. a forward link groove; 605. a front card slot.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example (b): referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 and 13, a shift fork mechanism of an automotive transmission is provided, wherein a fork bayonet 102 of a fork base assembly 1 is a mounting body of the fork mechanism, an eccentric hole 105 is eccentrically formed at a rear end of the fork bayonet 102, a fork shaft 104 is transversely and eccentrically connected to the eccentric hole 105, an eccentric wheel 201 of an eccentric adjustment assembly 2 is screwed into the eccentric hole 105, the fork shaft 104 is eccentrically connected to the eccentric wheel 201, a rotating shaft 206 is screwed to one end of the eccentric wheel 201, the rotating shaft 206 is in driving connection with the eccentric wheel 201, an adjustment screw 301 of a joint locking assembly 3 is screwed between the eccentric wheel 201 and the rotating shaft 206, locking columns 304 are elastically connected between the rotating shaft 206 and a lower end of the adjustment screw 301 and between the eccentric wheel 201 and a lower end of the adjustment screw 301, a spring seat 306 is fixedly connected to a rear end of each group of the locking columns 304, the inclined plane direction of the elastic inclined seat 306 is upward, so that the rotating shaft 206 and the eccentric wheel 201 can be synchronously locked and loosened by driving the locking column 304 through two groups of elastic inclined seats 306 by screwing the adjusting screw 301, the damping slide seat 402 in the damping assembly 4 is elastically connected to the rear end of the fork drawing bayonet 102, the cushion pad 501 in the buffering assembly 5 is clamped and installed in the fork drawing bayonet 102 in an interference fit manner, the damping slide seat 402 can be elastically connected with the rear end of the cushion pad 501, the clamping elastic sheets 602 in the elastic clamping assembly 6 are elastically clamped on two sides of the opening of the fork drawing bayonet 102, and the rear end of each group of clamping elastic sheets 602 can be elastically clamped with two ends of the corresponding cushion pad 501;
the specific structure of the shifting fork base body assembly 1 is shown in fig. 2, the shifting fork base body 101 is a structural main body of the shifting fork structure, the shifting fork bayonet 102 is connected to the front end of the shifting fork base body 101, the shifting fork base 103 is connected to the rear end of the shifting fork base body 101, the eccentric hole 105 is eccentrically arranged in the shifting fork base 103, and the middle position of the shifting fork base body 101 is provided with a damping clamping position 106;
specifically, the eccentric adjustment assembly 2 is configured as shown in fig. 3, fig. 4 and fig. 5, the eccentric gear 202 is inserted and mounted at an outer shaft end of the eccentric wheel 201, the connecting gear 203 is engaged at one side of the eccentric gear 202, the connecting shaft 204 is fixed at a position of the main surface of the yoke base 101 corresponding to the connecting gear 203, the connecting gear 203 is rotatably connected in the connecting shaft 204, the rotating gear 205 is engaged at the other side of the connecting gear 203, the rotating gear 205 is inserted and fixed at one end of the rotating shaft 206, a rotating position 207 is arranged at a position of the main surface of the yoke base 101 corresponding to the rotating shaft 206, and the rotating shaft 206 is rotatably connected in the rotating position 207;
specifically, the structure of the joint locking assembly 3 is as shown in fig. 6, 7, 8, 9 and 10, the adjusting position 303 is connected between the rotating position 207 and the shift fork seat 103, the inner sliding cavity of the adjusting position 303 is communicated with the rotating position 207 and the eccentric hole 105, the screw position 302 is connected above the adjusting position 303, the adjusting screw 301 is connected in the screw position 302 in a threaded manner, an eccentric locking hole 307 is arranged between the eccentric hole 105 and the inner sliding cavity of the adjusting position 303, an adjusting locking hole 308 is arranged between the rotating position 207 and the inner sliding cavity of the adjusting position 303, two groups of locking columns 304 are slidably connected in the inner sliding cavity of the adjusting position 303 through a spring inclined seat 306, the top ends of the two groups of locking columns 304 can be slidably inserted in the eccentric locking hole 307 and the adjusting locking hole 308, the two groups of locking compression springs 305 are respectively inserted in the corresponding locking columns 304, one end of one group of the locking compression springs 305 is clamped at the joint surface between the eccentric locking hole 307 and the inner sliding cavity of the adjusting position 303, the other end is clamped at the rear end of the elastic inclined seat 306 corresponding to the group of locking columns 304, one end of the other group of locking compression springs 305 is clamped at the joint surface between the adjusting locking hole 308 and the sliding cavity in the adjusting position 303, and the other end is clamped at the rear end of the elastic inclined seat 306 corresponding to the group of locking columns 304;
specifically, the structure of the damping assembly 4 is as shown in fig. 11, two sets of damping slide holes 401 are symmetrically perforated at the joint between the damping slide 106 and the fork bayonet 102, two sets of damping slide bases 402 are respectively slidably connected in the corresponding damping slide holes 401, two sides of the outer wall of the damping slide 106 are provided with damping spring guide holes 403 at positions corresponding to the damping slide holes 401, the rear end of each set of damping slide base 402 is clamped with a damping spring 404, two sets of damping springs 404 are respectively inserted in the corresponding damping spring guide holes 403, two sets of damping guide seats 405 are respectively connected at the rear end of the damping spring 404, two sets of damping adjusting screws 406 are respectively screwed in the corresponding damping spring guide holes 403, and the top ends of the two sets of damping adjusting screws 406 are elastically connected with the corresponding damping guide seats 405, so as to adjust the elastic force of the damping slide bases 402 by screwing the damping adjusting screws 406;
specifically, the structure of the buffer assembly 5 is as shown in fig. 12, a plurality of buffer clamping grooves 502 are uniformly formed in the inner wall of the fork-pulling bayonet 102, the buffer clamping seats 503 are fixedly connected to the outer wall of the buffer cushion 501 and the positions corresponding to the buffer clamping grooves 502, the buffer cushion 501 is clamped and mounted in the buffer clamping grooves 502 through the plurality of buffer clamping seats 503, and after the buffer cushion 501 is clamped and mounted in the fork-pulling bayonet 102, the two sets of damping sliding seats 402 can be elastically clamped and mounted at the rear end of the buffer cushion 501;
specifically, the structure of the springing clip assembly 6 is shown in fig. 13, two sets of clip positions 601 are symmetrically arranged on the inner side surfaces of the two ends of the opening of the fork bayonet 102, the front end of each set of clip positions 601 is provided with a front positioning slot 603, the rear end of each set of clip positions 601 is provided with a front coupling slot 604, two sets of front coupling slots 604 can be communicated with the two ends of the cushion 501 arranged in the fork bayonet 102, two sets of clip elastic pieces 602 are respectively arranged in the corresponding clip positions 601, one end of each set of clip elastic pieces 602 is clamped in the corresponding front positioning slot 603, the other end is slidably inserted in the corresponding front coupling slot 604, the two ends of the cushion 501 are provided with front clamping slots 605 in the positions corresponding to the front coupling slots 604, after the rotational spindle of the transmission is clamped and arranged through the cushion 501, the two sets of clip elastic pieces 602 can be just elastically clamped on the rotational spindle of the transmission, and simultaneously due to the extrusion of the rotational spindle on the clip elastic pieces 602, the elastic deformation of the clamping spring 602 can be caused, so that one ends of the two sets of clamping spring 602 are clamped in the corresponding front clamping grooves 605, and the cushion 501 can be prevented from falling off in the working process.
The working principle is as follows: eccentric adjustment in the process of mounting the gear shifting fork, the eccentric adjustment assembly 2 capable of being eccentrically adjusted is arranged, so that the problem that after the multiple groups of fork pulling bayonets 102 are mounted, the multiple groups of fork pulling bayonets 102 are different relative to the fork pulling shaft 104, after the multiple groups of fork pulling bayonets 102 are inserted and fixed in the same fork pulling shaft 104 through the eccentric wheel 201 at the rear end, according to the actual mounting error, the corresponding rotating shafts 206 are screwed through adjustment to drive the rotating gears 205 to rotate, so that the rotating shafts 206 drive the corresponding eccentric gears 202 to rotate through the connecting gears 203, the corresponding eccentric wheels 201 can be driven to rotate, the mounting positions of the fork pulling base body 101 and the fork pulling bayonets 102 relative to the fork pulling shaft 104 can be changed, and all the groups of fork pulling bayonets 102 can be adjusted to be concentric positions relative to the fork pulling shaft 104;
after the eccentric adjustment is completed, the adjusting screws 301 corresponding to the groups of rotating shafts 206 are screwed again, so that the eccentric wheel 201 can be locked at the eccentric adjustment position;
by arranging the locking columns 304 and the elastic inclined seats 306 which elastically move oppositely, and screwing the adjusting screws 301 inwards, the bottom surfaces of the adjusting screws 301 are in contact with and move in match with the elastic inclined seats 306 of the two groups of inclined surface structures, the two groups of locking columns 304 can be synchronously driven to move towards the direction far away from the adjusting screws 301, and therefore the eccentric wheel 201 can be locked, and meanwhile, the rotating shaft 206 for adjusting the eccentricity of the eccentric wheel 201 is locked, the structure is simple, and the safety is high;
the buffer mounting is carried out, the rotating main shafts of the transmissions can be safely clamped and connected through the elastic clamping assemblies 6 arranged at the front ends of the fork pulling bayonets 102, after the buffer pads 501 in the buffer assemblies 5 are mounted on the corresponding rotating main shafts of the transmissions, the rotating main shafts can extrude the clamping elastic sheets 602 to cause the elastic deformation of the clamping elastic sheets 602, so that one ends of the two groups of clamping elastic sheets 602 are clamped and connected in the front clamping grooves 605 corresponding to the two ends of the buffer pads 501, the mounting stability of the fork pulling bayonets 102 can be ensured, and the buffer pads 501 can be prevented from falling off in the working process;
through two sets of shock attenuation springs 404 in the shock attenuation assembly 4, still can eliminate the shaking force that receives of blotter 501, and still can adjust the elasticity of shock attenuation spring 404 through revolving wrong shock attenuation adjusting screw 406, can be according to the operating condition of actual difference, adjust the work to the elasticity of shock attenuation spring 404 that eliminates shock dynamic, and through the extrusion of shock attenuation slide 402 to blotter 501 outer wall, can increase the stability of blotter 501 installation once more, further guarantee blotter 501's stable work.
Preferably, the clip spring 602 is made of a metal sheet, specifically 304 stainless steel, so that the service life of the clip spring can be prolonged while the elastic clamping is realized.
Preferably, the other end of the rotating shaft 206 is provided with a rotating hole 208 with a hexagonal structure, and an operator can screw the rotating shaft 206 through the rotating hole 208 by using a standard tool, so that the operation standardization is high.
Preferably, the outer diameter of the elastic inclined seat 306 is larger than the outer diameter of the locking column 304, the diameter of the eccentric locking hole 307 and the adjusting locking hole 308 corresponds to the outer diameter of the locking column 304, and the outer diameter of the elastic inclined seat 306 corresponds to the diameter of the inner sliding cavity of the adjusting position 303, so that the elastic inclined seat 306 can smoothly slide in the inner sliding cavity of the adjusting position 303 and cannot be separated from the inner sliding cavity of the adjusting position 303.
Preferably, the cushion pad 501 is made of wear-resistant resin, specifically polyetheretherketone, so that the shock of the operation process can be buffered, the shock can be eliminated by eliminating the shock, the influence of the shock on the internal stress of the shift fork can be eliminated, and the service life of the shift fork can be prolonged.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an automotive transmission shift fork mechanism of shifting, includes shifting fork base member subassembly (1), its characterized in that: the novel fork pulling device is characterized by further comprising an eccentric adjusting assembly (2), a combined locking assembly (3), a damping assembly (4), a buffering assembly (5) and a spring clip assembly (6), wherein the fork pulling base body assembly (1) comprises a fork pulling bayonet (102), the eccentric adjusting assembly (2) comprises an eccentric wheel (201) and a rotating shaft (206), the combined locking assembly (3) comprises an adjusting screw (301), the damping assembly (4) comprises a damping sliding seat (402), the buffering assembly (5) comprises a buffering pad (501), and the spring clip assembly (6) comprises a clip elastic sheet (602);
a shifting fork bayonet (102) in the shifting fork base body assembly (1) is an installation main body of the shifting fork mechanism, an eccentric hole (105) is eccentrically arranged at the rear end of the shifting fork bayonet (102), and a shifting fork shaft (104) is transversely and eccentrically connected in the eccentric hole (105);
an eccentric wheel (201) in the eccentric adjusting assembly (2) is screwed in an eccentric hole (105), a shifting fork shaft (104) is eccentrically connected in the eccentric wheel (201), a rotating shaft (206) is screwed at one end of the eccentric wheel (201), and the rotating shaft (206) is in transmission connection with the eccentric wheel (201);
an adjusting screw (301) in the combined locking assembly (3) is arranged between the eccentric wheel (201) and the rotating shaft (206) in a rotating mode, locking columns (304) are connected between the lower ends of the rotating shaft (206) and the adjusting screw (301) and between the eccentric wheel (201) and the lower end of the adjusting screw (301) in a springing mode, the rear end of each group of locking columns (304) is fixedly connected with a springing inclined seat (306), and the inclined plane direction of the springing inclined seat (306) is upward, so that the rotating shaft (206) and the eccentric wheel (201) can be synchronously locked and loosened by screwing the adjusting screw (301) through the two groups of springing inclined seats (306) to drive the locking columns (304);
shock attenuation slide (402) in shock attenuation assembly (4) are flicked and are connected in the rear end of pulling out fork bayonet socket (102), blotter (501) interference fit joint in buffering assembly (5) is installed in pulling out fork bayonet socket (102), and shock attenuation slide (402) can with the rear end elastic connection of blotter (501), the opening both sides of pulling out fork bayonet socket (102) are located to clip shell fragment (602) elastic card in flicking clip assembly (6), and the rear end of every group clip shell fragment (602) all can with the both ends elastic clamping of the blotter (501) that correspond.
2. A vehicle transmission shift fork mechanism according to claim 1, wherein: the clamping spring piece (602) is made of a metal sheet material, and specifically is 304 stainless steel.
3. A vehicle transmission shift fork mechanism according to claim 1 or claim 2, wherein: the shifting fork base body assembly (1) further comprises a shifting fork base body (101) and a shifting fork seat (103), the shifting fork base body (101) is a structure body of a shifting fork structure, a shifting fork bayonet (102) is connected to the front end of the shifting fork base body (101), the shifting fork seat (103) is connected to the rear end of the shifting fork base body (101), an eccentric hole (105) is eccentrically arranged in the shifting fork seat (103), and a damping clamping position (106) is further arranged in the middle of the shifting fork base body (101).
4. A vehicle transmission shift fork mechanism according to claim 3, wherein: the eccentric adjusting assembly (2) further comprises an eccentric gear (202), a connecting gear (203) and a rotating gear (205), the eccentric gear (202) is inserted and installed at the outer shaft end of the eccentric gear (201), the connecting gear (203) is meshed at one side of the eccentric gear (202), a connecting shaft (204) is fixed on the main surface of the shifting fork base body (101) in a position corresponding to the connecting gear (203), the connecting gear (203) is rotatably connected in the connecting shaft (204), the rotating gear (205) is meshed with the other side of the connecting gear (203), the rotating gear (205) is fixedly inserted at one end of the rotating shaft (206), a rotating position (207) is arranged at the position of the main surface of the shifting fork base body (101) corresponding to the rotating shaft (206), the rotating shaft (206) is rotatably connected in the rotating position (207), the other end of the rotating shaft (206) is provided with a rotating hole (208) with a hexagonal structure, and an operator can screw the rotating shaft (206) through the rotating hole (208) by a standard tool.
5. A vehicle transmission shift fork mechanism according to claim 4, wherein: the combined locking assembly (3) further comprises a screw position (302), an adjusting position (303) and a locking pressure spring (305), the adjusting position (303) is connected between the rotating position (207) and the fork pulling seat (103), an inner sliding cavity of the adjusting position (303) is communicated with the rotating position (207) and the eccentric hole (105), the screw position (302) is connected above the adjusting position (303), the adjusting screw (301) is in threaded connection in the screw position (302), an eccentric locking hole (307) is arranged between the eccentric hole (105) and the inner sliding cavity of the adjusting position (303), an adjusting locking hole (308) is arranged between the rotating position (207) and the inner sliding cavity of the adjusting position (303), the two groups of locking columns (304) are in sliding connection in the inner sliding cavity of the adjusting position (303) through a springing inclined seat (306), the top ends of the two groups of locking columns (304) can be inserted in the sliding locking hole (307) and the adjusting locking hole (308), and the two groups of locking pressure springs (305) are respectively inserted in the corresponding locking columns (304), one end of one group of locking compression springs (305) is clamped on a joint surface between an eccentric locking hole (307) and a sliding cavity in the adjusting position (303), the other end of the one group of locking compression springs is clamped on the rear end of a spring inclined seat (306) corresponding to the group of locking columns (304), one end of the other group of locking compression springs (305) is clamped on a joint surface between an adjusting locking hole (308) and the sliding cavity in the adjusting position (303), and the other end of the one group of locking compression springs is clamped on the rear end of the spring inclined seat (306) corresponding to the group of locking columns (304).
6. A vehicle transmission shift fork mechanism according to claim 5, wherein: the outer diameter of the elastic inclined seat (306) is larger than that of the locking column (304), the diameters of the eccentric locking hole (307) and the adjusting locking hole (308) correspond to that of the locking column (304), and the outer diameter of the elastic inclined seat (306) corresponds to that of the inner sliding cavity of the adjusting position (303).
7. A vehicle transmission shift fork mechanism according to claim 3, 4, 5 or 6, wherein: the damping assembly (4) also comprises damping slide holes (401), damping guide seats (405) and damping adjusting screws (406), wherein the two groups of damping slide holes (401) are symmetrically arranged at the joint of the damping clamping position (106) and the fork pulling bayonet (102) in a penetrating way, the two groups of damping slide seats (402) are respectively connected in the corresponding damping slide holes (401) in a sliding way, damping spring guide holes (403) are arranged at the two sides of the outer wall of the damping clamping position (106) and the positions corresponding to the damping slide holes (401), the rear end of each group of damping slide seats (402) is clamped with damping springs (404), the two groups of damping springs (404) are respectively inserted in the corresponding damping spring guide holes (403), the two groups of damping guide seats (405) are respectively connected at the rear ends of the damping springs (404), and the two groups of damping adjusting screws (406) are respectively connected in the corresponding damping spring guide holes (403) in a threaded way, and the top ends of the two groups of damping adjusting screws (406) are elastically connected with the corresponding damping guide seats (405).
8. A vehicle transmission shift fork mechanism according to claim 1, 2, 4, 5 or 6, wherein: buffering assembly (5) still include buffering draw-in groove (502), even seting up in the inner wall of shifting fork bayonet socket (102) of several groups buffering draw-in groove (502), fixedly connected with buffering cassette (503) on the position that the outer wall of blotter (501) and buffering draw-in groove (502) correspond, install in buffering draw-in groove (502) through several groups buffering cassette (503) joint blotter (501), install back in shifting fork bayonet socket (102) at blotter (501) joint, but two sets of shock attenuation slide (402) elastic joint are at the rear end of blotter (501).
9. A vehicle transmission shift fork mechanism according to claim 1, 2, 4, 5 or 6, wherein: the buffer pad (501) is made of wear-resistant resin.
10. A vehicle transmission shift fork mechanism according to claim 1, 2, 4, 5 or 6, wherein: the elastic clip assembly (6) further comprises clip positions (601) and front clamping grooves (605), two groups of clip positions (601) are symmetrically arranged on the inner side surfaces of two ends of an opening of the fork-pulling bayonet (102), the front end of each group of clip positions (601) is provided with a front positioning groove (603), the rear end of each group of clip positions (601) is provided with a front connecting groove (604), two groups of front connecting grooves (604) can be communicated with two ends of a cushion pad (501) arranged in the fork-pulling bayonet (102), two groups of clip elastic sheets (602) are respectively arranged in the corresponding clip positions (601), one ends of the two groups of clip elastic sheets (602) are respectively clamped in the corresponding front positioning grooves (603), the other ends of the two groups of clip elastic sheets are slidably inserted in the corresponding front connecting grooves (604), the two ends of the cushion pad (501) are provided with the front clamping grooves (605) in positions corresponding to the front connecting grooves (604), and a rotating main shaft of the transmission is clamped and installed through the cushion pad (501), but two sets of clamping shell fragment (602) just elasticity joint is on the rotary main shaft of derailleur, simultaneously because rotary main shaft to the extrusion of clamping shell fragment (602), can cause the elastic deformation of clamping shell fragment (602) for the one end joint of two sets of clamping shell fragments (602) is in corresponding preceding draw-in groove (605).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210326482.4A CN114593205B (en) | 2022-03-30 | 2022-03-30 | Gear shifting fork mechanism of automobile transmission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210326482.4A CN114593205B (en) | 2022-03-30 | 2022-03-30 | Gear shifting fork mechanism of automobile transmission |
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| CN114593205A true CN114593205A (en) | 2022-06-07 |
| CN114593205B CN114593205B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210326482.4A Active CN114593205B (en) | 2022-03-30 | 2022-03-30 | Gear shifting fork mechanism of automobile transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115992882A (en) * | 2023-02-15 | 2023-04-21 | 卓克骑行科技(重庆)有限公司 | Elastic gear shifting control system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109563929A (en) * | 2016-06-06 | 2019-04-02 | 邦奇动力有限责任公司 | The parking lock system is assembled into the method in speed changer by parking lock system, the speed changer including the parking lock system |
| CN111197651A (en) * | 2018-11-19 | 2020-05-26 | 现代自动车株式会社 | Shifting device for a multi-speed transmission of an electric vehicle |
| US20200166132A1 (en) * | 2018-11-27 | 2020-05-28 | Hyundai Motor Company | Gear shifting apparatus for multi-speed transmission for electric vehicles |
| KR20210026760A (en) * | 2019-09-02 | 2021-03-10 | 현대자동차주식회사 | Synchronizer for transmission |
| CN213145312U (en) * | 2020-07-09 | 2021-05-07 | 青岛鑫鸿机械有限公司 | Double-clutch gearbox shifting block |
| CN215487513U (en) * | 2020-12-31 | 2022-01-11 | 重庆蓝黛变速器有限公司 | Combined gear and transmission structure |
-
2022
- 2022-03-30 CN CN202210326482.4A patent/CN114593205B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109563929A (en) * | 2016-06-06 | 2019-04-02 | 邦奇动力有限责任公司 | The parking lock system is assembled into the method in speed changer by parking lock system, the speed changer including the parking lock system |
| CN111197651A (en) * | 2018-11-19 | 2020-05-26 | 现代自动车株式会社 | Shifting device for a multi-speed transmission of an electric vehicle |
| US20200166132A1 (en) * | 2018-11-27 | 2020-05-28 | Hyundai Motor Company | Gear shifting apparatus for multi-speed transmission for electric vehicles |
| KR20210026760A (en) * | 2019-09-02 | 2021-03-10 | 현대자동차주식회사 | Synchronizer for transmission |
| CN213145312U (en) * | 2020-07-09 | 2021-05-07 | 青岛鑫鸿机械有限公司 | Double-clutch gearbox shifting block |
| CN215487513U (en) * | 2020-12-31 | 2022-01-11 | 重庆蓝黛变速器有限公司 | Combined gear and transmission structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115992882A (en) * | 2023-02-15 | 2023-04-21 | 卓克骑行科技(重庆)有限公司 | Elastic gear shifting control system |
| CN115992882B (en) * | 2023-02-15 | 2024-04-16 | 卓克骑行科技(重庆)有限公司 | Elastic gear shifting control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114593205B (en) | 2023-07-18 |
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