WO2009119851A1 - 変速操作装置 - Google Patents
変速操作装置 Download PDFInfo
- Publication number
- WO2009119851A1 WO2009119851A1 PCT/JP2009/056392 JP2009056392W WO2009119851A1 WO 2009119851 A1 WO2009119851 A1 WO 2009119851A1 JP 2009056392 W JP2009056392 W JP 2009056392W WO 2009119851 A1 WO2009119851 A1 WO 2009119851A1
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- WO
- WIPO (PCT)
- Prior art keywords
- core
- lever shaft
- fragile
- axial direction
- outer peripheral
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 claims description 32
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000000630 rising effect Effects 0.000 claims description 4
- 208000007101 Muscle Cramp Diseases 0.000 abstract 2
- 238000003780 insertion Methods 0.000 description 22
- 230000037431 insertion Effects 0.000 description 22
- 230000006378 damage Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229930182556 Polyacetal Natural products 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/04—Controlling members for hand actuation by pivoting movement, e.g. levers
- G05G1/06—Details of their grip parts
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/0278—Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing
-
- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H2059/0291—Selector apparatus comprising safety means for preventing injuries in case of accidents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20012—Multiple controlled elements
- Y10T74/20018—Transmission control
- Y10T74/2014—Manually operated selector [e.g., remotely controlled device, lever, push button, rotary dial, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20576—Elements
- Y10T74/20582—Levers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20576—Elements
- Y10T74/20582—Levers
- Y10T74/20612—Hand
Definitions
- the present invention relates to a shift operating device having a lever knob capable of absorbing an applied impact load.
- Patent Document 1 in order to absorb an impact load input to an instrument panel or a shift operating device (operating lever) disposed in the vicinity thereof, a slit is provided on a bracket that supports the entire shift operating device. For example, when an impact load is applied to the transmission operating device, the transmission operating device absorbs the impact load by sliding along the slit while breaking the support member.
- JP, 2002-029275, A (refer to paragraph 0021-paragraph 0023)
- Patent Document 1 requires a structure for sliding the shift operation device along the slit when an impact load is applied, and the production cost increases due to an increase in parts used.
- the production efficiency is reduced due to the complexity of the structure.
- this invention makes it a subject to provide a gear shift operating device provided with the lever knob which can absorb the impact load which acts on the axial direction of a lever shaft by simple structure.
- the invention according to claim 1 comprises a lever shaft supported by a vehicle, a lever knob provided at an upper end portion of the lever shaft, and an inner portion of the lever knob, the upper end of the lever shaft And a connecting member for fixing the core to the lever shaft, an upper end side of the lever shaft with respect to the connecting member and the inside of the core, and the outer peripheral portion of the core is made thin
- a hollow portion is provided, and a first fragile portion fragile to a load acting in an axial direction of the lever shaft is provided between the hollow portion and the connection member.
- the core of the lever knob provided at the upper end of the lever shaft is provided with the first fragile portion which is vulnerable to the load acting in the axial direction of the lever shaft, and the hollow portion The impact load can be absorbed by breaking the fragile portion 1.
- the connecting member is a screw member
- the core is a cylindrical boss into which the screw member is inserted in a direction perpendicular to the axial direction of the lever shaft.
- a side wall is formed to rise in the height direction of the boss to form the hollow portion, and the boss and the side wall are formed on a straight line in the axial direction of the lever shaft, and a cylindrical portion of the boss is formed.
- the side wall is connected by a reinforcing rib, and the first fragile portion is provided at a connecting portion of the cylindrical portion and the reinforcing rib.
- the cylindrical boss into which the screw member of the connecting member is inserted and the side wall forming the hollow portion are in a straight line in the axial direction of the lever shaft, with reinforcing ribs.
- a first fragile portion is provided at the connection portion of the reinforcing rib and the cylindrical boss, which are formed in connection.
- the core is a load acting on the outer peripheral portion of the core forming the periphery of the hollow portion in the axial direction of the lever shaft
- the second embodiment is characterized in that a second fragile portion is provided.
- the core forms a thin portion in the outer peripheral portion of the core forming the periphery of the hollow portion, in the axial direction of the lever shaft
- a second fragile portion which is vulnerable to the applied load can be provided, and the impact load can be absorbed by the destruction of the second fragile portion.
- the invention according to claim 5 is characterized in that the core is provided with the second fragile portion by forming a recessed groove in the outer peripheral portion on the left and right sides of the hollow portion.
- the core is provided with the second fragile portion by forming the concave grooves on the left and right sides of the outer peripheral portion of the hollow portion.
- the concave portion along the rising direction of the side wall is formed in the outer peripheral portion on the left and right sides of the hollow portion, and the second fragile portion It is characterized in that
- the core is provided on the left and right sides of the outer peripheral portion of the hollow portion with the concave groove along the rising direction of the side wall to provide the second fragile portion.
- the invention according to claim 7 is characterized in that the connecting portion between the side wall and the outer peripheral portion is provided with a thin portion which is fragile against a load acting in the axial direction of the lever shaft.
- the thin portion can be formed at the connection portion between the side wall and the outer peripheral portion of the core.
- This thin-walled portion becomes a fragile portion to a load acting in the axial direction of the lever shaft, and can be a starting point of the core breakage.
- the invention according to claim 8 and claim 9 is characterized in that a part of the outer peripheral portion is hollow to provide a space portion which is fragile to a load acting in the axial direction of the lever shaft. It was characterized.
- a part of the outer peripheral portion can be hollow to form a space.
- This space portion becomes a weak portion to a load acting in the axial direction of the lever shaft, and can be a starting point of breakage of the core.
- the invention according to claim 10 to claim 13 is characterized in that the outer wall surface of the outer peripheral portion is provided with a groove portion which is vulnerable to a load acting in the axial direction of the lever shaft.
- the groove can be formed on the outer wall surface of the outer peripheral portion.
- the groove portion has a thin outer peripheral portion so as to be a weak portion against a load acting in the axial direction of the lever shaft, and can be a starting point of breakage of the core.
- the hollow portion facilitates the expansion of the core to the left and right, and the expansion of the hollow portion and the weak portion facilitate the destruction due to the deformation of the core in the left and right direction. It is possible to provide a shift operating device provided with a lever knob capable of absorbing an impact load acting in a direction. In addition, a structure such as a shift button can be disposed in the hollow portion.
- (A) is an external appearance perspective view of a speed change operation apparatus
- (b) is a figure which shows the internal structure of a lever knob.
- (A) is an XX sectional view in (a) of FIG. 1
- (b) is an enlarged view of a hollow portion.
- (A) is a perspective view which shows the core of the lever knob which concerns on this embodiment
- (b) is the figure which looked at the exterior part from the side of the operation surface
- (c) is a figure which shows a deformation
- (A) is a YY sectional view in (a) of FIG. 3,
- (b) is a schematic view showing a state in which the core is deformed at a thin portion.
- (A) is a ZZ sectional view in (a) of FIG. 3, a view of the back side of the core as viewed from the side of the operation surface, (b) a core being deformed at a fragile portion on the back side
- It is a schematic diagram which shows a state. It is the A section enlarged view in (a) of FIG. It is a graph which shows the relationship between the load applied to a core, and the deformation of a core.
- lever knob 5 lever shaft 10 outer 11 core 11 a hollow portion 11 a 1 side wall (outer peripheral portion) 11b Screwing part (cylindrical boss) 11b1 cylindrical portion 11c insertion portion 11d reinforcing rib 11e exterior portion (peripheral portion) 11e1 V-shaped groove (second fragile part, recessed groove) 11 f Thin-walled portion 11 g Space portion 11 h Groove portion 11 s Outer wall surface 13 Screw (connection member, screw member) 100 Speed change device 110 Notch groove (first fragile part) T zenith P load
- FIG. 1 is an external appearance perspective view of the gear shift operating device
- (b) is a view showing an internal structure of a lever knob.
- the shift control device 100 for an automatic transmission is formed, for example, by providing the lever knob 1 gripped by the driver at the upper end of the lever shaft 5, 1 includes a shift button 2 for releasing the shift lock of the gear shift operation device 100 and an overdrive button 3 for permitting ON / OFF switching of the overdrive mode, and the outer cover 4 to shield the internal structure of the lever knob 1 Is attached.
- the lever knob 1 is formed such that an outer 10 made of, for example, a styrene thermoplastic elastomer covers a core 11 made of, for example, polyacetal.
- a hollow portion 11a is formed by the side wall 11a1 of the core 11 on the zenith portion T side of the outer 10, thereby reducing the weight of the lever knob 1 and securing a space for housing the shift button 2.
- the side wall 11a1 is provided so as to form the periphery of the hollow portion 11a, and secures the strength of the lever knob 1.
- the vertical direction of the lever knob 1 is set with the zenith T side of the outer 10 as the upper side. Further, the side on which the shift button 2 is disposed is taken as an operation surface, and the opposite side is taken as a back surface.
- FIG. 2 is a cross-sectional view taken along the line XX in (a) of FIG.
- an insertion portion 11c having a hollow portion 11c1 into which the lever main body 15 serving as the shaft portion of the lever shaft 5 is inserted below the core 11 extends below the hollow portion 11a. It is formed to Then, the lever main body 15 is inserted into the insertion portion 11 c so that the upper end portion is lower than the hollow portion 11 a. That is, the hollow portion 11 a is formed on the upper end side of the lever shaft 5.
- the lever main body 15 inserted into the insertion portion 11c is fixed to the insertion portion 11c by a screw (screw member) 13 attached at right angles to the axial direction of the lever main body 15, that is, the axial direction of the lever shaft 5. Therefore, a screwing portion 11 b is formed in the insertion portion 11 c of the core 11.
- the screwing portion 11b is formed so as to insert the screw 13 into a cylindrical boss formed in the insertion portion 11c (see (a) of FIG. 2). It comprises a cylindrical portion 11b1 formed so as to surround the periphery of 13 and a through hole (not shown) through which the screw portion of the screw 13 passes. That is, the screwing portion 11b is a cylindrical boss described in the claims.
- a screw hole (not shown) is formed in the lever main body 15 in which the screw portion of the screw 13 is screwed, and the core 11 is fixed to the lever main body 15 by the screw 13 as shown in FIG. Ru.
- the lever main body 15 exposed from the outer 10 may be covered with a cover member 15a made of, for example, resin as shown in FIG. 2A to form the lever shaft 5.
- the insertion portion 11c is formed to be connected to the lower side of the side wall 11a1 (see FIG. 2B) of the hollow portion 11a, and the hollow portion 11c1 of the insertion portion 11c penetrates the side wall 11a1 of the hollow portion 11a. It is formed. That is, the hollow portion 11c1 of the insertion portion 11c is formed to communicate with the hollow portion 11a.
- the lever shaft 5 of the gear shift operating device 100 (see (a) of FIG. 1) is a member for connecting the automatic transmission and the lever knob 1 not shown.
- the rod 14 for releasing the shift lock is vertically penetrated through the hollow portion of the lever body 15 of the lever shaft 5, and the upper end portion of the rod 14 is formed of the core 11 of the core 11. It projects into the cavity 11a.
- the hollow portion 11 a of the core 11 is provided with the shift button 2 for moving the rod 14 up and down.
- FIG. 2B is an enlarged view of the hollow portion.
- a hinge portion 2a for supporting the shift button 2 in the hollow portion 11a is an outer portion 11e (see (a) of FIG. 3) for forming an outer shape of the core 11 on the back side. It is formed to stand up and down from the back side.
- Two such hinges 2a are formed so as to sandwich the shift button 2, and the shift button 2 is swingably supported by the two hinges 2a via the rotation shaft 2b.
- two notch parts 11a2 for preventing interference with the edge part of the rotating shaft 2b which protrudes from the hinge part 2a are formed in the side wall 11a1.
- the shift button 2 is provided with an arm 2c that operates integrally, and when the shift button 2 swings around the rotation shaft 2b, the arm 2c rotates integrally with the shift button 2 Swing around the shaft 2b.
- arm 2c when shift button 2 is operated in the direction pushed in towards the back side of lever knob 1, arm 2c is configured to operate downward.
- the upper end portion of the rod 14 and the arm 2c are in contact with each other, and when the shift button 2 is pivoted in the direction in which the shift button 2 is pushed into the core 11, the rod 14 operates downward by the arm 2c. That is, when the driver operates the shift button 2 to push it into the lever knob 1, the rod 14 moves downward.
- the shift operating device 100 causes the driver to shift the gear by operating the shift button 2.
- the shift lock of the controller device 100 is released.
- the rod 14 is configured to be biased upward by biasing means (not shown)
- the arm 2 c is biased upward by the rod 14 and the shift button 2 protrudes from the lever knob 1 to the side of the operation surface It is biased in the direction.
- an overdrive button 3 is provided, and the lever knob 1 is configured.
- the overdrive button 3 may use, for example, a push switch 3a that turns on / off an electrical contact. That is, the push switch 3a is fixed to the core 11 by, for example, fixing means (not shown) so that the operation unit protrudes from the side of the operation surface of the lever knob 1, and the operation unit is operated by the driver. You just have to
- the configuration of the shift lock of the transmission operation device 100 may use known techniques. The description is omitted.
- the method of mounting the outer cover 4 shown in FIG. 2A is not limited, and for example, the outer cover 4 is formed with engaging claws (not shown), and the core 11 is formed with engaging holes (not shown). The engaging claws of the above may be engaged with the engaging holes of the core 11 and mounted.
- FIG. 1 and 2 illustrate a selector lever of an automatic transmission as the transmission operation device 100 (see (a) of FIG. 1), and the present embodiment is applied to a shift lever of a manual transmission.
- the overdrive button 3 including the push switch 3a, the shift button 2, the arm 2c, and the rod 14 shown in FIG. 2A may not be provided.
- the hinge portion 2a (see FIG. 2B) for supporting the shift button 2 may not be formed.
- a notch 11a2 may be provided as a fragile portion to be described later.
- FIG. 3 is a perspective view showing the core of the lever knob according to the present embodiment
- (b) is a view of the exterior part seen from the side of the operation surface
- (c) is a view showing deformation of the exterior part It is.
- an exterior portion 11e formed of a bottomed box with an open side of the operation surface forms an outer shape on the back side, and a cavity is formed inside the opening of the exterior portion 11e.
- a portion 11a, two screwing portions 11b and 11b, an insertion portion 11c and the like are formed.
- the side wall 11a1 rises from the back side toward the operation surface side, and the substantially rectangular hollow portion 11a is viewed from the operation surface side.
- the insertion part 11c is formed under the side wall 11a1.
- the outer peripheral part as described in a claim is formed including the exterior part 11e and the side wall 11a1.
- the insertion part 11c is formed as a ridge-like convex part extended in the up-down direction on the back surface side inside the opening of the exterior part 11e.
- the insertion portion 11 c is formed such that one end of a ridge-like convex portion is connected to the lower side of the side wall 11 a 1, and the lever main body 15 (see FIG. 2A) along the convex portion in the ridge-like convex portion A hollow portion 11c1 to be inserted is formed.
- the hollow portion 11c1 of the insertion portion 11c is formed to penetrate the side wall 11a1, and the hollow portion 11a and the hollow portion 11c1 of the insertion portion 11c communicate with each other.
- the end of the insertion portion 11c on the side not connected to the side wall 11a1 is made to project from below the exterior portion 11e, and a cover member 15a (see FIG. 2A) that covers the lever main body 15 (see FIG. 2A), for example. a) reference) may be formed.
- the side wall 11a1 and the screwing portions 11b and 11b are formed along a straight line along the insertion portion 11c.
- the side wall 11a1 and the screwing portions 11b and 11b are in the axial direction of the lever main body 15 (see (a) in FIG. 2) inserted into the insertion portion 11c, that is, the lever shaft 5 (see (a) in FIG. 2). It is formed on a straight line in the axial direction of.
- the screwing portion 11b is formed of a cylindrical boss and includes a cylindrical portion 11b1 surrounding the periphery of the screw 13 shown in FIG. 2 (a).
- the cylindrical portion 11b1 of the upper screwing portion 11b and the cylindrical portion 11b1 of the lower screwing portion 11b are connected by a reinforcing rib 11d formed on a straight line connecting the approximate centers of the screwing portions 11b.
- the cylindrical portion 11b1 of the lower screwing portion 11b is connected to the exterior portion 11e by the reinforcing rib 11d.
- the upper side of the side wall 11a1 forming the hollow portion 11a is connected to the exterior portion 11e by the reinforcing rib 11d.
- the screwed portion 11b is formed of a cylindrical boss having an opening on the side of the operation surface, and the side wall 11a1 is erected from the side of the back surface of the exterior portion 11e toward the side of the operation surface. It is formed standing up in the height direction of the stop 11b.
- the cylindrical portion 11b1 of the upper screwing portion 11b is connected to the lower side of the side wall 11a1 forming the hollow portion 11a by the reinforcing rib 11d.
- the center rib 11d1 is formed in the axial direction of the lever main body 15 (see (a) in FIG. 2), that is, in the axial direction of the lever shaft 5 (see (a) in FIG. 2).
- the core 11 connects the lower side of the side wall 11a1 forming the hollow portion 11a and the cylindrical portion 11b1 of the upper screwing portion 11b with the reinforcing rib 11d, and the cylindrical portion 11b1 of the upper screwing portion 11b and the lower side
- the cylindrical portion 11b1 of the screwing portion 11b is connected by the reinforcing rib 11d
- the cylindrical portion 11b1 of the lower screwing portion 11b and the exterior portion 11e are connected by the reinforcing rib 11d.
- the exterior part 11e and the upper side of the side wall 11a1 which forms the hollow part 11a were connected by the reinforcement rib 11d.
- the core 11 is axially aligned with the lever main body 15 (see (a) of FIG. 2), that is, vertically aligned with the axial direction of the lever shaft 5 (see (a) of FIG. 2).
- a V-shaped notch groove 110 formed in the height direction of the cylindrical portion 11b1 is provided in a connection portion of the center rib 11d1 and the cylindrical portion 11b1 of the upper screwing portion 11b. Details of the notch groove 110 will be described later.
- the number of screwing parts 11b is not limited, One may be sufficient and three or more may be sufficient.
- the cylindrical parts 11b1 of the respective screwing parts 11b may be connected by the reinforcing rib 11d.
- the screwing portion 11b formed closest to the side wall 11a1 of the hollow portion 11a and the lower side of the side wall 11a1 may be connected by one center rib 11d1 and two side ribs 11d2 and 11d2.
- the lever knob 1 which concerns on this embodiment provides a weak part in the core 11 (refer (b) of FIG. 1), and the load (for example, predetermined value or more) which acts on an up-down direction.
- the load for example, predetermined value or more
- the load equal to or more than the predetermined value may be set as appropriate based on, for example, the vehicle performance required for the vehicle equipped with the shift operation device 100 (see (a) of FIG. 1).
- a V-shaped groove (a concave portion is formed on a wall surface inside the opening of the exterior 11e of the core 11 according to the present embodiment, for example, at a position facing the notch 11a2 of the side wall
- the groove 11e1 is formed in a groove shape from the side of the operation surface to the side of the back surface. That is, the V-shaped groove 11e1 is formed along the rising direction of the side wall 11a1.
- the V-shaped groove 11e1 may be one or more than one.
- Such a V-shaped groove 11e1 is formed on both the left and right sides of the hollow portion 11a as viewed from the side of the operation surface as shown in, for example, FIGS. 3 (a) and 3 (b). Further, the depth from the side of the operation surface of the V-shaped groove 11e1 may be appropriately set based on the strength etc. required of the core 11.
- the core 11 according to the present embodiment has a thin-walled portion with a small thickness at the portion where the side wall 11a1 stands.
- (A) of FIG. 4 is a cross-sectional view taken along line YY in (a) of FIG. 3, and (b) is a schematic view showing a state in which the core is deformed at a thin portion.
- the hollow part 11a is formed so that the outer peripheral part containing the exterior part 11e of the core 11 may be made thin.
- a connection portion between the side wall 11a1 of the hollow portion 11a and the exterior portion 11e is formed to have a thinner thickness, and a thin portion 11f is provided. That is, the portion where the side wall 11a1 stands up forms the core 11 thin.
- the thin portion 11 f is provided at the connection portion of the side wall 11 a 1 and the exterior portion 11 e, which is a portion where stress concentration occurs, to be a starting point of deformation and breakage of the core 11.
- the exterior portion 11e is deformed and broken at the V-shaped groove 11e1, and the thin portion 11f is broken as shown in (b) of FIG.
- the load P applied to the core 11 in the vertical direction is absorbed by the breakage of the core 11.
- the load P acting in the vertical direction is applied to the zenith portion T of the core 11 and the core 11 breaks at the fragile portion, the zenith portion T of the core 11 is deformed so as to enter the hollow portion 11 a
- the cavity 11 a has a function of absorbing the deformation of the core 11.
- the core 11 according to the present embodiment may form a fragile portion on the back side.
- (A) of FIG. 5 is a ZZ sectional view in (a) of FIG. 3 and a view of the back side of the core as seen from the side of the operation surface;
- (b) is a fragile portion on the back side of the core It is a schematic diagram which shows the state deform
- a plurality of (three in (a) in FIG. 5) space portions 11g are formed on the back surface side of the exterior portion 11e of the core 11 with the exterior portion 11e hollow.
- grooves 11h are formed in the outer wall surface 11s of the exterior 11e, for example, in the direction from the operation surface side to the back surface side.
- the space portion 11 g and the groove portion 11 h formed in this manner become a fragile portion when the load P acting in the vertical direction is applied to the zenith portion T on the core 11.
- the fragile portion is also formed on the screwing portion 11b (see (a) of FIG. 3) of the core 11 (see (a) of FIG. 3).
- FIG. 6 is an enlarged view of a portion A in FIG.
- a V-shaped notch groove 110 is formed in the height direction of the boss forming the screwing portion 11b in the connecting portion between the cylindrical portion 11b1 of the upper screwing portion 11b and the center rib 11d1.
- the cylindrical portion 11b1 can be formed thinner than the other portions in the connection portion with the center rib 11d1. For example, when a load acting in the vertical direction is applied to the center rib 11d1 and a stress is generated in the connection portion between the center rib 11d1 and the cylindrical portion 11b1 due to the load, stress concentration occurs in the thin portion of the cylindrical portion 11b1.
- the cylindrical portion 11b1 of the screwing portion 11b is broken due to stress concentration occurring in the thin portion. Furthermore, by making the shape of the notch groove 110 into a V-shape, a large stress concentration occurs at the apex of the V-shape, and the cylindrical portion 11b1 is broken efficiently.
- the notch groove 110 becomes the fragile portion (first fragile portion) of the core 11.
- the notch groove 110 is not limited to a V-shape, For example, a rectangle and a semicircle may be sufficient.
- the configuration is not limited as long as at least a portion of the cylindrical portion 11b1 is thinner than the other portions.
- FIG. 7 is a graph showing the relationship between the load applied to the core and the amount of deformation of the core.
- a load P compression load
- the load P is increased.
- the amount of deformation ⁇ l of the core 11 increases with the increase of
- the load P to be applied when it reaches the P 1 screw cramp portion 11b of the core 11 (see FIG. 3 (a)) is to break at the notch groove 110 (see FIG. 3 (a)).
- screw cramp portion 11b of the core 11 is to break at the notch groove 110 (see FIG. 3 (a)).
- the hollow portion 11a see FIG.
- the core 11 since the outer peripheral portion of the core 11 is thin, in the hollow portion 11a, the core 11 deforms so as to expand in the left-right direction. By this, the force which deform
- the screwing portion 11b (see (a) in FIG. 3) is initially notched groove 110 (see (a) in FIG. 3).
- the V-shaped groove 11e1 of the exterior portion 11e (see (a) of FIG. 3)
- the strength design of the core 11 is performed so as to be broken at 11 f (see FIG. 4A).
- the transmission operation device 100 (see (a) in FIG. 1) according to the present embodiment is vulnerable to the core 11 (see (a) in FIG. 3) forming the lever knob 1 (see (a) in FIG. 1).
- the internal structure of the lever knob 1 is broken. And, by the lever knob 1 being broken, there is an excellent effect that the initial impact load and the secondary impact load following the initial impact load can be efficiently absorbed.
- the lever knob 1 has a simple structure because it can be easily expanded to the left and right and fracture due to deformation of the core 11 in the lateral direction can be facilitated by the expansion of the hollow portion 11a and the fragile portion.
- the excellent effect of being able to absorb an impact load acting in the axial direction of the lever shaft 5 is achieved.
- the connection portion between the center rib 11d1 (see FIG. 6) and the cylindrical portion 11b1 (see FIG. 6) is notched groove 110 (see FIG.
- screw cramp portion 11b see) the load P 1 to break at the notch groove 110 (see FIG. 3 (a)
- the hollow portion 11a in FIG. 3 (a) refer) is exterior V-shaped groove parts 11e 11e1 (see FIG. 3 (a)), and variations due to the magnitude of the load P 2, and the load P is applied to break a thin section 11f (see FIG. 4 (a))
- the amount ⁇ l is not limited, and may be set as appropriate based on the vehicle performance and the like required for the vehicle.
- the hollow portion 11a (see (a) of FIG. 3) is configured to be broken by the V-shaped groove 11e1 (see (a) of FIG. 3) of the exterior portion 11e and the thin portion 11f (see (a) of FIG. 4).
- the hollow portion 11a may be first broken at the V-shaped groove 11e1 of the exterior portion 11e and the thin portion 11f.
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Abstract
Description
また、スリットに沿ってスライド移動させる構造が必要になることから、変速操作装置やブラケットなどの小型化が制限されるという問題もある。
また、空洞部にシフトボタンなどの構造物を配置することができる。
5 レバーシャフト
10 アウタ
11 コア
11a 空洞部
11a1 側壁(外周部分)
11b ねじ止め部(円筒状のボス)
11b1 円筒部
11c 挿入部
11d 補強リブ
11e 外装部(外周部分)
11e1 V字溝(第2の脆弱部、凹溝)
11f 薄肉部
11g 空間部
11h 溝部
11s 外壁面
13 スクリュー(連結部材、ねじ部材)
100 変速操作装置
110 切欠き溝(第1の脆弱部)
T 天頂部
P 荷重
図1の(a)は、変速操作装置の外観斜視図、(b)は、レバーノブの内部構造を示す図である。図1の(a)に示すように、本実施形態に係る自動変速機の変速操作装置100は、例えば、レバーシャフト5の上端部に、運転者が把持するレバーノブ1が備わって形成され、レバーノブ1には、変速操作装置100のシフトロックを解除するシフトボタン2と、オーバードライブモードのON/OFFの切り替えを許可するオーバードライブボタン3が備わり、レバーノブ1の内部構造を遮蔽するようにアウタカバー4が装着される。
アウタ10の天頂部Tの側には、コア11の側壁11a1によって空洞部11aが形成され、レバーノブ1の軽量化を図るとともに、シフトボタン2を収納するスペースを確保している。
側壁11a1は、空洞部11aの周囲を形成するように設けられ、レバーノブ1の強度を確保している。
以降、アウタ10の天頂部Tの側を上側として、レバーノブ1の上下方向を設定する。
また、シフトボタン2が配置される側を操作面とし、対する側を背面とする。
挿入部11cに挿入されたレバー本体15は、レバー本体15の軸方向、すなわちレバーシャフト5の軸方向に対して直角に取り付けられるスクリュー(ねじ部材)13で、挿入部11cに固定される。そのため、コア11の挿入部11cには、ねじ止め部11bが形成される。
なお、アウタ10から露出するレバー本体15を、図2の(a)に示すように例えば樹脂からなるカバー部材15aで覆って、レバーシャフト5を形成してもよい。
そして、コア11の空洞部11aには、ロッド14を上下動させるシフトボタン2が備わる。
そして、側壁11a1には、ヒンジ部2aから突出する回転軸2bの端部との干渉を防止するための切欠き部11a2が2つ形成される。
すなわち、運転者がシフトボタン2をレバーノブ1に押し込むように操作すると、ロッド14が下方に動作する。
また、図2の(a)に示すアウタカバー4を装着する方法は限定するものではなく、例えばアウタカバー4に図示しない係合爪を形成し、コア11に図示しない係合孔を形成し、アウタカバー4の係合爪をコア11の係合孔に係合して装着すればよい。
外装部11eの開口内部の上方(天頂部Tの側)には、側壁11a1が背面の側から操作面の側に向かって起立して、操作面の側から見て略矩形の空洞部11aを形成する。そして、側壁11a1の下側には挿入部11cが形成される。
そして、外装部11eと側壁11a1を含んで、請求の範囲に記載の外周部分を形成する。
また、挿入部11cの、側壁11a1と接続しない側の端部を、外装部11eの下方から突出させ、例えばレバー本体15(図2の(a)参照)を覆うカバー部材15a(図2の(a)参照)との係合部11c2を形成してもよい。
また、下側のねじ止め部11bの円筒部11b1は、外装部11eと補強リブ11dで連結される。
さらに、空洞部11aを形成する側壁11a1の上側は外装部11eと補強リブ11dで連結される。
そして、上側のねじ止め部11bの円筒部11b1は、空洞部11aを形成する側壁11a1の下側と補強リブ11dで連結される。
上側のねじ止め部11bの円筒部11b1と、側壁11a1は、ねじ止め部11bの略中心を通って挿入部11cに沿った直線上に形成される1つの補強リブ11d(センタリブ11d1)と、円筒部11b1から側壁11a1の下側の2つの角部に向かって形成される、2つの補強リブ11d,11d(サイドリブ11d2,11d2)とで連結される。換言すると、センタリブ11d1は、レバー本体15(図2の(a)参照)の軸方向、すなわち、レバーシャフト5(図2の(a)参照)の軸方向に形成される。
このように構成して、コア11は、レバー本体15(図2の(a)参照)の軸方向、すなわち、レバーシャフト5(図2の(a)参照)の軸方向(以下、上下方向と称する)に作用する荷重に対する強度を確保している。
そして、センタリブ11d1と上側のねじ止め部11bの円筒部11b1の連結部分には、円筒部11b1の高さ方向に形成されるV字型の切欠き溝110を設ける。切欠き溝110の詳細は後記する。
また、空洞部11aの側壁11a1に最も近く形成されるねじ止め部11bと、側壁11a1の下側を、1つのセンタリブ11d1と、2つのサイドリブ11d2,11d2で連結する構成とすればよい。
なお、所定値以上の荷重は、例えば変速操作装置100(図1の(a)参照)が備わる車両に求められる車両性能などに基づいて、適宜設定すればよい。
また、V字溝11e1の操作面の側からの深さは、コア11に要求される強度等に基づいて、適宜設定すればよい。
外装部11eは、V字溝11e1の部分が薄肉に形成されることから、図3の(a)に示すように、空洞部11aの周囲に、外装部11eによる薄肉の部分が形成されることになる。そして、V字溝11e1は、外装部11eの変形、及び破壊の起点になることから、V字溝11e1は、脆弱部(第2の脆弱部)となる。
図4の(a)は、図3の(a)におけるY-Y断面図、(b)は、コアが薄肉部で変形する状態を示す模式図である。図4の(a)に示すように、コア11の外装部11eを含む外周部分を薄肉とするように空洞部11aを形成する。そして、空洞部11aの側壁11a1と外装部11eの接続部を、さらに肉厚が薄くなるように形成し、薄肉部11fを設ける。すなわち、側壁11a1が起立する部分は、コア11を薄肉に形成する。
さらに、図3の(c)に示すように、外装部11eは、V字溝11e1の部分で変形破壊するとともに、図4の(b)に示すように薄肉部11fが破壊する。そして、コア11に印加された、上下方向に作用する荷重Pは、コア11の破壊によって吸収される。
なお、コア11の天頂部Tに、上下方向に作用する荷重Pが印加され、コア11が脆弱部で破壊するとき、コア11の天頂部Tの側が空洞部11aに入り込むように変形して破壊することから、空洞部11aは、コア11の変形を吸収する機能を有する。
このように形成される、空間部11g、及び溝部11hは、コア11に、上下方向に作用する荷重Pが天頂部Tに印加された場合の脆弱部となる。
例えば、上下方向に作用する荷重が、センタリブ11d1に印加され、その荷重によってセンタリブ11d1と円筒部11b1の連結部分に応力が発生したとき、円筒部11b1の薄肉の部分に応力集中が生じる。
このことから、V字型の切欠き溝110は、コア11の脆弱部(第1の脆弱部)となる。
なお、切欠き溝110はV字型に限定されるものではなく、例えば、矩形や半円形であってもよい。その他、円筒部11b1の少なくとも一部を他の部分より薄肉に形成する構成であれば、形状は限定しない。
空洞部11a(図3の(a)参照)は、コア11の外周部分を薄肉にしていることから、空洞部11aでは、コア11が左右方向に拡がるように変形する。このことによって、切欠き溝110を左右方向に変形させる力が増大し、コア11の破壊を容易にする。また、外装部11e(図3の(a)参照)にV字溝11e1(図3の(a)参照)を設けることで、コア11が左右に拡がりやすくなり、コア11の破壊をさらに容易にできる。
そして、レバーノブ1のコア11が空洞部11aで左右方向に変形して破壊しやすい構造によって、センタリブ11d1(図6参照)と円筒部11b1(図6参照)の連結部分が、切欠き溝110(図6参照)の部分で左右に破壊しやすくなる。このように、センタリブ11d1と円筒部11b1の連結部分が破壊することによって、レバーシャフト5の軸方向に作用する衝撃荷重を吸収できるという優れた効果を奏する。
さらに、軸方向の荷重に対してコア11が左右方向に変形し破壊する構成であるため、空洞部11aにシフトボタン2(図2の(b)参照)などの構造物を配置することができるという優れた効果を奏する。
Claims (13)
- 車両に支持されるレバーシャフトと、
前記レバーシャフトの上端部に備わるレバーノブと、
前記レバーノブの内部に備わり、前記レバーシャフトの上端部に固定されるコアと、
前記コアを前記レバーシャフトに固定する連結部材と、
前記連結部材よりも前記レバーシャフトの上端側、且つ前記コアの内部に備わり、当該コアの外周部分を薄肉とする空洞部と、を含み、
前記空洞部と前記連結部材の間に、前記レバーシャフトの軸方向に作用する荷重に対して脆弱な第1の脆弱部を設けたことを特徴とする変速操作装置。 - 前記連結部材はねじ部材からなり、
前記コアは、
前記レバーシャフトの軸方向に対して直角の方向にねじ部材を内挿する円筒状のボスと、
前記ボスの高さ方向に起立して前記空洞部を形成する側壁が形成されてなり、
前記ボスと前記側壁は、前記レバーシャフトの軸方向に一直線上に形成されて、前記ボスの円筒部と前記側壁は補強リブで連結されるとともに、
前記円筒部と前記補強リブの連結部分に、前記第1の脆弱部を設けたこと、を特徴とする請求の範囲第1項に記載の変速操作装置。 - 前記コアは、前記空洞部の周囲を形成する当該コアの前記外周部分に、前記レバーシャフトの軸方向に作用する荷重に対して脆弱な第2の脆弱部を設けたことを特徴とする請求の範囲第1項に記載の変速操作装置。
- 前記コアは、前記空洞部の周囲を形成する当該コアの前記外周部分に、前記レバーシャフトの軸方向に作用する荷重に対して脆弱な第2の脆弱部を設けたことを特徴とする請求の範囲第2項に記載の変速操作装置。
- 前記コアは、前記空洞部の左右側の前記外周部分に凹溝を形成して、前記第2の脆弱部を設けたことを特徴とする請求の範囲第3項に記載の変速操作装置。
- 前記コアは、前記空洞部の左右側の前記外周部分に、前記側壁の起立方向に沿った凹溝を形成して、前記第2の脆弱部を設けたことを特徴とする請求の範囲第4項に記載の変速操作装置。
- 前記側壁と前記外周部分の接続部に、前記レバーシャフトの軸方向に作用する荷重に対して脆弱な薄肉部を設けたことを特徴とする請求の範囲第2項、請求の範囲第4項、または請求の範囲第6項のいずれか1項に記載の変速操作装置。
- 前記外周部分の一部を中空にして、前記レバーシャフトの軸方向に作用する荷重に対して脆弱な空間部を設けたことを特徴とする請求の範囲第2項乃至請求の範囲第6項のいずれか1項に記載の変速操作装置。
- 前記外周部分の一部を中空にして、前記レバーシャフトの軸方向に作用する荷重に対して脆弱な空間部を設けたことを特徴とする請求の範囲第7項に記載の変速操作装置。
- 前記外周部分の外壁面に、前記レバーシャフトの軸方向に作用する荷重に対して脆弱な溝部を設けたことを特徴とする請求の範囲第2項乃至請求の範囲第6項のいずれか1項に記載の変速操作装置。
- 前記外周部分の外壁面に、前記レバーシャフトの軸方向に作用する荷重に対して脆弱な溝部を設けたことを特徴とする請求の範囲第7項に記載の変速操作装置。
- 前記外周部分の外壁面に、前記レバーシャフトの軸方向に作用する荷重に対して脆弱な溝部を設けたことを特徴とする請求の範囲第8項に記載の変速操作装置。
- 前記外周部分の外壁面に、前記レバーシャフトの軸方向に作用する荷重に対して脆弱な溝部を設けたことを特徴とする請求の範囲第9項に記載の変速操作装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP09723885.1A EP2258577B1 (en) | 2008-03-28 | 2009-03-27 | Shift operation device |
US12/934,692 US8464606B2 (en) | 2008-03-28 | 2009-03-27 | Shift operation device |
JP2010505874A JP5291702B2 (ja) | 2008-03-28 | 2009-03-27 | 変速操作装置 |
CN200980110988.4A CN101980884B (zh) | 2008-03-28 | 2009-03-27 | 变速操作装置 |
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JP2008086479 | 2008-03-28 | ||
JP2008-086479 | 2008-03-28 |
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PCT/JP2009/056392 WO2009119851A1 (ja) | 2008-03-28 | 2009-03-27 | 変速操作装置 |
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US (1) | US8464606B2 (ja) |
EP (1) | EP2258577B1 (ja) |
JP (1) | JP5291702B2 (ja) |
CN (1) | CN101980884B (ja) |
WO (1) | WO2009119851A1 (ja) |
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US9772031B2 (en) * | 2008-09-30 | 2017-09-26 | Dura Operating, Llc | Shifter assembly including display and actuation for driver control |
EP2570701B1 (en) * | 2011-09-14 | 2013-11-20 | Kongsberg Automotive AB | Knob assembly |
US20130133469A1 (en) * | 2011-11-28 | 2013-05-30 | Embraer S.A. | Sidestick controller grip |
KR101355617B1 (ko) * | 2012-10-26 | 2014-01-27 | 현대자동차주식회사 | 변속 레버 |
USD789265S1 (en) * | 2016-04-28 | 2017-06-13 | Pilot, Inc. | Shift knob cover |
KR102699019B1 (ko) * | 2016-12-06 | 2024-08-23 | 현대자동차주식회사 | 차량의 변속레버 어셈블리 |
JP6738270B2 (ja) * | 2016-12-26 | 2020-08-12 | 株式会社東海理化電機製作所 | シフト装置 |
FR3117262B1 (fr) * | 2020-12-09 | 2022-11-04 | Crouzet Sa | Bouton à palette |
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Also Published As
Publication number | Publication date |
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EP2258577A1 (en) | 2010-12-08 |
JP5291702B2 (ja) | 2013-09-18 |
JPWO2009119851A1 (ja) | 2011-07-28 |
EP2258577A4 (en) | 2011-05-25 |
CN101980884A (zh) | 2011-02-23 |
US20110023646A1 (en) | 2011-02-03 |
US8464606B2 (en) | 2013-06-18 |
EP2258577B1 (en) | 2013-10-23 |
CN101980884B (zh) | 2014-04-23 |
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