JP2011084087A - Supporting device of shift lever - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve comfortableness in a cabin by reducing noise transmitted to the inside of the cabin from a supporting device of a shift lever, and to improve assemblability of the supporting device. <P>SOLUTION: In this supporting device, a retainer including a spherical surface type receiving part at the bottom part in a lever housing is arranged, a spherical surface type semi-spherical part is formed in the shift lever, a cup-shaped cover plate including a ceiling wall passed through the shift lever and a cylindrical peripheral wall extending from an outer peripheral edge part of the ceiling wall in an opposed state to the retainer across the semi-spherical part in a cylinder part of the lever housing, and a spring is arranged between a plane part on an upper side of the semi-spherical part and the ceiling wall of the cover plate. In the supporting device, a sound insulating boot made of an elastic body and having an upper end part and a lower end part connected to the shift lever and the cover plate, respectively, is provided. The lower end part of the sound insulating boot is adhered to an outside surface opposite to an inside surface with which the spring of the ceiling wall of the cover plate is in contact. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a shift lever support device, and in particular, can reduce noise transmitted from the shift lever support device to the vehicle interior, improve the comfort of the vehicle interior, and can be assembled to the shift lever support device. The present invention relates to a shift lever support device that can improve the speed.

In a vehicle in which an engine is mounted on the front and the rear wheels are driven, a transmission is disposed below the vehicle body floor below the driver's seat. As shown in FIG. 3, a shift lever that switches a plurality of shift gear trains built in the transmission is supported. In FIG. 3, 101 is a vehicle body floor, 102 is an opening, 103 is a passenger compartment, 104 is a shift lever, and 105 is a support device. The support device 105 of the shift lever 104 includes a lever housing 107 formed in a bottomed cylindrical shape in an extension case 106 connected to the transmission. The shift lever 104 is supported by the lever housing 107 in a state where the lever shaft 108 projects through the opening 102 formed in the vehicle body floor 101 and protrudes into the vehicle interior 103.
In the lever housing 107, an insertion hole 111 is formed in a bottom portion 110 in a cylindrical portion 109 that holds the shift lever 104, and a retainer 112 is disposed in the bottom portion 110. The retainer 112 includes a spherical receiving portion 113 that is recessed inward. On the lever shaft 108 of the shift lever 104, a protruding hemispherical portion 114 is formed on the outer side supported by the receiving portion 113, and a flat portion 115 is formed on the upper side of the hemispherical portion 114. An extension shaft portion 116 is formed to protrude below the hemispherical portion 114, and a sphere portion 117 is formed at the lower end of the extension shaft portion 116.
A cup-shaped cover plate 118 is disposed in the cylindrical portion 109 of the lever housing 107 on the opposite side of the retainer 112 with respect to the hemispherical portion 114 in the axial direction. The cover plate 118 includes a ceiling wall 119 that allows the shift lever 104 to pass therethrough, and a cylindrical peripheral wall 120 that extends from the outer peripheral edge of the ceiling wall 119 in a direction orthogonal to the ceiling wall 119, and penetrates the shift lever 104 through the ceiling wall 119. The through-hole 121 to be made is formed. The cover plate 118 is disposed and fixed in the cylindrical portion 109 of the lever housing 107 so as to face the retainer 112 with the hemispherical portion 114 interposed therebetween, and the hemispherical portion is interposed between the flat portion 115 of the hemispherical portion 114 and the ceiling wall 119. A spring 122 is disposed to press 114 against the receiving portion 113.
The shift lever 104 is arranged such that the extension shaft portion 16 formed on the lower side of the hemispherical portion 114 is inserted into the extension case 106 below from the insertion hole 111 formed in the bottom portion 110 of the lever housing 107. An arm portion 124 is attached to the lever housing 107 side of the shift and select shaft 123 that is pivotally supported on the extension case 106, and a cylindrical holding portion 125 is formed on the arm portion 124. In the holding portion 125, the holding member 126 holds the ball portion 117 at the lower end of the extension shaft portion 116 so as to be movable in the vertical direction and turnable. The shift lever 104 supported by the support device 105 in a swingable manner is operated in the shift direction and the select direction to move the shift and select shaft 123 in the axial direction and the circumferential direction, thereby engaging the transmission gear train in the transmission. Switch.
In the support device 105 of the shift lever 104, engine and transmission vibrations are transmitted from the hemispherical portion 114 of the shift lever 104 to the cover plate 118 through the spring 122, and the cover plate 118 vibrates to increase the noise in the vehicle interior 103. There was a problem. Therefore, the support device 105 of the shift lever 104 is provided with a cylindrical sound insulation boot 127 on the lever shaft 108 of the shift lever 104 for sound insulation, and the upper end portion 128 of the sound insulation boot 127 is fitted and fixed to the lever shaft 108. Then, the lower end portion 129 is fitted into the groove portion 130 formed on the outer periphery of the cylindrical portion 109 of the lever housing 107 and fixed with the band 131.

In a conventional shift lever support device, the upper end of the sound insulation boot is fitted to the shift lever, and a groove formed in the lower end of the sound insulation boot is formed on the opening edge of the flat cover plate attached to the upper end of the lever housing. There is an engaged one (Patent Document 1).
Further, there is a conventional shift lever support device in which the upper end portion of the sound insulation boot is fitted and fixed to the shift lever, and the lower end portion of the sound insulation boot is fixed to the upper end of the lever housing with a bolt (Patent Document 2). ).

Japanese Utility Model Publication No. 1-160517 Japanese Utility Model Publication No. 63-11237

By the way, in the conventional shift lever support device, the lower end portion of the sound insulation boot is fitted into the groove portion of the cylindrical portion of the lever housing and fixed with a band (FIG. 3), or the lower end portion of the sound insulation boot is covered. It engages with the opening edge of the plate (Patent Document 1), and further, the lower end portion of the sound insulation boot is fixed to the upper end of the lever housing with a bolt (Patent Document 2).
However, these structures do not have the effect of suppressing the vibration of the cover plate itself, and the assembly work of the sound insulation boot includes the fitting operation to the groove, the band tightening operation, the cover plate engaging operation, and the bolt tightening operation. Because it is necessary, there was a problem that assembly was poor.

  SUMMARY OF THE INVENTION An object of the present invention is to improve the comfort of a passenger compartment by reducing noise transmitted from the shift lever support device to the vehicle interior, and to improve the assembly of the shift lever support device.

  According to the present invention, a retainer having a spherical receiving portion is disposed at the bottom of a lever housing formed in a bottomed cylindrical shape, and a spherical hemispherical portion supported by the receiving portion is formed on the shift lever. A cup-shaped cover plate having a ceiling wall through which the shift lever passes and a cylindrical peripheral wall extending in a direction orthogonal to the ceiling wall from the outer peripheral edge of the ceiling wall, and a retainer sandwiching a hemispherical part in the cylindrical part of the lever housing, In the shift lever support device, which is arranged in an opposed state and has a spring that presses the hemispherical portion against the receiving portion between the flat portion on the upper side of the hemispherical portion and the ceiling wall of the cover plate. And a sound insulation boot whose lower end is connected to the shift lever and the cover plate, respectively, and the lower end of the sound insulation boot is connected to the ceiling of the cover plate. Wherein the spring is bonded to the outer surface opposite the inner surface which contacts among.

When the shift lever lever vibration is transmitted to the ceiling wall of the cover plate via the spring, the shift lever support device of the present invention suppresses the vibration of the ceiling wall by the sound insulation boot made of an elastic body. Since the noise generated from the vicinity can be effectively reduced, the noise transmitted from the shift lever support device to the vehicle interior can be reduced, and the comfort in the vehicle interior can be improved.
In addition, since the support device for the shift lever of the present invention has the sound insulation boot bonded to the ceiling wall of the cover plate, the lower end portion of the sound insulation boot is securely adhered to the cover plate even when the radial dimension of the ceiling wall is small. Thus, sound leakage can be prevented and the assembling property of the sound insulation boot to the cover plate can be improved.

It is an expanded sectional view of the lever housing part of the support apparatus of a shift lever. (Example) It is sectional drawing of the support apparatus of a shift lever. (Example) It is an expanded sectional view of the lever housing part of the support apparatus of a shift lever. (Conventional example)

The present invention reduces the noise transmitted to the vehicle interior by suppressing the vibration of the ceiling wall by the sound insulating boot made of an elastic body bonded to the ceiling wall of the cover plate, and also improves the assembling property of the sound insulating boot to the cover plate. It will improve.
Embodiments of the present invention will be described below with reference to the drawings.

1 to 2 show an embodiment of the present invention. In FIG. 2, reference numeral 1 denotes a vehicle body floor for driving a rear wheel with an engine mounted on a front portion, 2 an opening, 3 a passenger compartment, 4 a shift lever, and 5 a support device. The support device 5 for the shift lever 4 includes a lever housing 7 formed in a bottomed cylindrical shape in an extension case 6 that opens downward and is connected to the transmission. A shift lever 4 for switching a plurality of shift gear trains built in the transmission is provided with a shift knob 9 at the upper end of a lever shaft 8 and protrudes into the vehicle compartment 3 through an opening 2 formed in the vehicle body floor 1. In this state, the lever shaft 8 is supported by the lever housing 7.
As shown in FIG. 1, the lever housing 7 includes a cylindrical portion 10 that is disposed so as to protrude from the opening 2 of the vehicle body floor 1 into the vehicle compartment 3 and holds the shift lever 4, and has a bottom portion at the lower end in the cylindrical portion 10. 11 is provided. An insertion hole 12 is formed in the bottom 11 and a retainer 13 is disposed. On the upper side of the retainer 13, a spherical receiving portion 14 recessed inward is provided. A protruding hemispherical portion 15 is formed on the lever shaft 8 of the shift lever 4 on the outer side supported by the receiving portion 14. A flat portion 16 is formed on the upper side of the hemispherical portion 15. An extension shaft portion 17 is formed to protrude below the hemispherical portion 15, and a ball portion 18 is formed at the lower end of the extension shaft portion 17.
A cup-shaped cover plate 19 is disposed in the cylindrical portion 10 of the lever housing 7 on the opposite side of the retainer 13 with respect to the hemispherical portion 15 in the axial direction. The cover plate 19 includes a ceiling wall 20 that allows the shift lever 4 to pass through, and a cylindrical peripheral wall 21 that extends from the outer peripheral edge of the ceiling wall 20 in a direction orthogonal to the ceiling wall 20. A through hole 22 through which the shift lever 4 passes is formed in the ceiling wall 20. The cover plate 19 is disposed and fixed in the cylindrical portion 10 of the lever housing 7 with the hemispherical portion 15 sandwiched between the retainer 13 and the hemispherical portion between the flat portion 16 of the hemispherical portion 15 and the ceiling wall 20. A spring 23 that presses 15 against the receiving portion 14 is disposed. One end of the spring 23 is in contact with the flat portion 16 on the upper side of the hemispherical portion 15, and the other end is in contact with the ceiling wall 20 of the cover plate 19.
In the shift lever 4, an extension shaft portion 17 formed on the lower side of the hemispherical portion 15 is disposed through the extension case 6 below the insertion hole 12 formed in the bottom portion 11 of the lever housing 7. The extension case 6 supports a shift and select shaft 24 that switches a transmission gear train of the transmission. The shift and select shaft 24 is provided with an arm portion 25 on the lever housing 7 side. A cylindrical holding portion 26 is formed in the arm portion 25 so as to be positioned below the bottom portion 11 of the lever housing 7. In the holding part 26, the ball part 18 at the lower end of the extension shaft part 17 is held by a holding member 27 so as to be movable in the vertical direction and turnable. The arm portion 25 that holds the ball portion 18 is covered with a cover 28 that is attached to the lower opening of the extension case 6. The shift lever 4 supported by the support device 5 in a swingable manner is operated in the shift direction and the select direction to move the shift and select shaft 25 in the axial direction and the circumferential direction, so that the transmission gear train in the transmission is engaged. Switch.

As shown in FIG. 2, the support device 5 for the shift lever 4 includes noise that enters the vehicle compartment 3 through a gap between the opening 2 of the vehicle body floor 1 and the cylindrical portion 10 of the lever housing 7, and a lever shaft. In order to shield the noise generated by the vibration of 8, a first sound insulating material 29, a second sound insulating material 30, and a first sound insulating boot 31 are provided. The first sound insulating material 29 has an upper end connected to the lever shaft 8 directly below the shift knob 9 and a lower end connected to the periphery of the opening 2 of the vehicle body floor 1. The second sound insulating material 30 is disposed around the cylinder portion 10 of the lever housing 7 inside the first sound insulating material 29, and the upper end is connected to the upper periphery of the cylinder portion 10, and the lower end is the lower end of the first sound insulating material 29. Together with the periphery of the opening 2 of the vehicle body floor 1. The first sound insulation boot 31 is disposed inside the first sound insulation material 29, has an upper end connected to the lever shaft 8 immediately below the upper end of the first sound insulation material 29, and a lower end around the upper end of the cylinder portion 10 of the lever housing 7. It connects with the upper end of the 2nd sound insulation material 30 connected to.
Further, as shown in FIG. 1, the support device 5 for the shift lever 4 is externally mounted on the lever shaft 8 of the shift lever 4 in order to shield noise entering the vehicle compartment 3 through the through hole 22 of the cover plate 19. A second sound insulation boot 32 is provided. The sound insulation boot 32 is made of an elastic body and includes an upper end portion 33 connected to the lever shaft 8 of the shift lever 4 and a lower end portion 34 connected to the cover plate 19. The sound insulation boot 32 is fixed by fitting the upper end portion 33 to the lever shaft 8 and bonding the lower end portion 34 to the outer side surface 36 of the ceiling wall 20 of the cover plate 19 opposite to the inner side surface 35 with which the spring 23 contacts. ing. The sound insulation boot 32 of this embodiment is bonded via an intermediate plate 37 (described later) in which the lower end portion 34 is bonded to the outer surface 36 of the ceiling wall 20.
As a result, the support device 5 for the shift lever 4 blocks noise entering the vehicle compartment 3 through the through hole 22, while the vibration of the shift lever 4 is transmitted to the ceiling wall 20 of the cover plate 19 via the spring 23. In this case, the vibration of the ceiling wall 20 can be suppressed by the sound insulation boot 32 made of an elastic body, and noise generated from the vicinity of the ceiling wall 20 of the cover plate 19 can be effectively reduced. Thus, the noise transmitted from the vehicle interior 3 to the vehicle interior 3 can be reduced, and the comfort in the vehicle interior 3 can be improved.
Further, since the support device 5 of the shift lever 4 has the lower end portion 34 of the sound insulation boot 32 bonded to the ceiling wall 20 of the cover plate 19, the lower end of the sound insulation boot 32 is obtained even when the radial dimension of the ceiling wall 20 is small. The portion 34 can be securely adhered to the cover plate 19 to prevent sound leakage, and the assembling property of the sound insulating boot 32 to the cover plate 19 can be improved.

Further, the support device 5 of the shift lever 4 joins one side surface 38 of the intermediate plate 37 having a flat surface wider than the ceiling wall 20 to the outer surface 35 of the ceiling wall 20 of the cover plate 19. The lower end 34 of the sound insulation boot 32 is bonded to the other side 39. A through hole 40 through which the shift lever 4 passes is formed in the intermediate plate 37.
As a result, the support device 5 for the shift lever 4 can reinforce the ceiling wall 20 of the cover plate 19 with the intermediate plate 37 to suppress vibration of the ceiling wall 20, and the ceiling wall 20 of the cover plate 19 has a small planar portion. Even so, the adhesion area of the sound insulation boot 32 to the ceiling wall 20 can be increased by the intermediate plate 37, and the adhesion strength of the sound insulation boot 32 to the ceiling wall 20 can be increased.
Therefore, the support device 5 of the shift lever 4 reduces noise transmitted from the support device 5 into the vehicle compartment 3 to improve the comfort in the vehicle compartment 3 and improve the assemblability of the support device 5. Can do.

  The present invention can reduce noise transmitted from the shift lever support device to the vehicle interior, and can improve the assembly performance of the sound insulation boot and the support device. It can be applied to noise reduction of a supported member.

DESCRIPTION OF SYMBOLS 1 Vehicle body floor 2 Opening part 3 Car compartment 4 Shift lever 5 Support apparatus 7 Lever housing 8 Lever shaft 10 Cylinder part 11 Bottom part 13 Retainer 14 Receiving part 15 Hemisphere part 16 Plane part 19 Cover plate 20 Ceiling wall 21 Peripheral wall 23 Spring 24 Shift and Select shaft 32 Sound insulation boot 33 Upper end 34 Lower end 35 Inner side 36 Outer side 37 Intermediate plate 38 One side 39 Other side

Claims (2)

A retainer having a spherical receiving portion is arranged at the bottom of the lever housing formed in a bottomed cylindrical shape,
Forming a spherical hemispherical portion supported by the receiving portion on the shift lever;
A cup-shaped cover plate having a ceiling wall that penetrates the shift lever and a cylindrical peripheral wall extending in a direction orthogonal to the ceiling wall from the outer peripheral edge of the ceiling wall, and a retainer sandwiching a hemispherical portion in the cylinder portion of the lever housing, Place them facing each other,
In a shift lever support device in which a spring that presses the hemispherical portion against the receiving portion is disposed between the upper flat portion of the hemispherical portion and the ceiling wall of the cover plate.
Provided with a sound insulation boot made of an elastic body and having an upper end and a lower end connected to the shift lever and the cover plate, respectively.
A support device for a shift lever, characterized in that a lower end portion of the sound insulation boot is bonded to an outer surface opposite to an inner surface with which a spring contacts a ceiling wall of the cover plate. Bonding one side surface of the intermediate plate having a flat portion wider than the ceiling wall to the outer surface of the ceiling wall of the cover plate,
The shift lever device according to claim 1, wherein a lower end portion of the sound insulation boot is bonded to the other side surface of the intermediate plate.

Images