JP2006069378A - Shift lever device for automatic transmission - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shift lever device for an automatic transmission having an excellent working efficiency in assembling, capable of simply fitting a knob to a lever body and connecting a body side terminal and a knob side terminal. <P>SOLUTION: An operation lever 3 is composed of the lever body 10 movably supported on a support base and the knob 11 which is mounted to the outer periphery of the tip end of the lever body 10 and has an overdrive switch and the knob side terminal connected to the switch. The shift lever device is provided with a liquid pouring prevention member 13 at the lower position of the knob 11 of the operation lever 3, and the body side terminal 14 connected to the knob side terminal on the liquid pouring prevention member 13. The shift lever device is provided with an engagement part 12 on the lever body 10, the liquid pouring prevention member 13 is mounted to the engagement part 12, and the body side terminal 14 mounted to the knob side terminal is integrally provided at the position opposed to the knob side terminal of the liquid pouring prevention member 13 and in the process assembling the knob 11 to the lever body 10. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a shift lever device for an automatic transmission mounted on an automobile or the like.

  A shift lever device of this type of conventional automatic transmission is disclosed in Patent Document 1.

  As shown in FIG. 6, the shift lever device 100 of this automatic transmission is rotatably supported by a support base 101 and the support base 101, and an upper end portion as an operation position is arranged to be movable in the lever operation direction. The operation lever 102, a shift lock mechanism fixed to the support base 101 and including a shift lock solenoid 103 for locking the shift of the operation lever 102, and the support base 101 are covered. And an indicator case 104 having a long hole 104a to be protruded.

  The operation lever 102 includes a lever body 110 that is rotatably supported by the support base 101, and a knob 111 that is attached to the outer periphery of the tip of the lever body 110. The knob 111 is provided with an overdrive switch SW and a harness (not shown) of the overdrive switch SW. The end of the harness is exposed at the lower end of the knob 111 and the knob side terminal (not shown) of the harness is shown. Z). The knob side terminal is disposed inside a recess 113 described below.

  As shown in detail in FIG. 7, a recess 113 is formed and a locking hole 114 is formed at the lower end of the knob 111. A liquid splash preventing member 115 is attached to the lower end portion of the knob 111 by the recess 113 and the locking hole 114.

  The liquid splash prevention member 115 includes a lever body insertion hole 115a inserted into the lever body 110, a harness insertion hole 115c communicating with the lever body insertion hole 115a via a slit 115b, and a further outer periphery than the harness insertion hole 115c. In addition, a liquid receiving groove 115e formed over the entire circumference of the lever main body insertion hole 115a, and a hole 115f formed at the bottom of the liquid receiving groove 115e and at an intermediate position between the two harnesses 116 described below. And.

  A harness 116 guided from a control unit (not shown) side is inserted into the harness insertion hole 115c, and a main body side terminal 117 connected to an end of the harness 116 is connected to the knob side terminal.

In the above configuration, the driver can select a desired shift position by holding the knob 111 and moving the operation lever 102 in the lever operation direction. When the driver operates the overdrive switch SW, the operation signal is output to the control unit (not shown) via the harness (not shown), the knob side terminal (not shown), the main body side terminal 117, and the harness 116. The Further, when a liquid such as juice is spilled on the indicator case 104 and the liquid reaches the liquid splash preventing member 115 through the knob 111, the liquid flows into the liquid receiving groove 115e of the liquid splash preventing member 115 and passes through the hole 115f. Fall down through. The dropped liquid travels through the harness 116 and falls while being guided between the two harnesses 116, so that it does not fall to the position of the shift lock solenoid 103 or the like. This prevents the shift lever device 100 from malfunctioning due to liquid intrusion.
Japanese Patent Laid-Open No. 9-76783

  However, the shift lever device 100 of the conventional automatic transmission has the following disadvantages because the liquid splash preventing member 115 is attached to the knob 111. That is, since the external dimension of the liquid splash preventing member 115 is larger than the elongated hole 104a of the indicator case 104, the knob 111 to which the liquid splash preventing member 115 is attached cannot be assembled to the lever main body 110 later. Therefore, the main body side terminal 117 through which the harness 116 is passed through the harness insertion hole 115c of the liquid splash prevention member 115 is connected to a knob side terminal (not shown), and the liquid splash prevention member 115 is temporarily assembled to the lever main body 110. . After that, the knob 111 needs to be assembled to the lever main body 110, and the liquid splash prevention member 115 positioned below the indicator case 104 needs to be assembled to the knob 111 in this assembling process. In addition, since the harness 116 is connected to the knob 111 to be assembled, it is necessary to assemble the knob 111 while taking the harness 116 into consideration. From the above, the assembling property is poor.

  In addition, since it is necessary to simultaneously perform a connection operation for connecting the main body side terminal 117 and the knob side terminal (not shown) and an assembly operation for assembling the liquid splash preventing member 115 and the knob 111, the assembly is performed from this viewpoint. The nature is bad.

  Therefore, the present invention has been made to solve the above-described problems, and can easily assemble the knob to the lever body and connect the terminals to each other, so that the shift lever of the automatic transmission can be easily assembled. An object is to provide an apparatus.

  According to the first aspect of the present invention, an operation lever is constituted by a lever body that is movably supported on a support base, and a knob that is attached to the tip of the lever body and has a switch and a knob side terminal connected to the switch. A shift lever device for an automatic transmission in which a liquid splash prevention member is provided at a position below the knob, and a main body side terminal connected to the knob side terminal is provided on the liquid splash prevention member. The liquid splash preventing member is attached to the engaging portion, and the knob is connected to the knob side terminal at a position facing the knob side terminal of the liquid splash preventing member and in the process of assembling the knob to the lever body. The main body side terminal to be mounted is provided integrally.

  A second aspect of the invention is the shift lever device for an automatic transmission according to the first aspect, wherein the liquid splash preventing member is configured to be attachable to a side of the lever body from the side of the lever body. The joint portion includes a claw locking portion that locks the claw portion of the liquid splash preventing member and a drop prevention wall that restricts vertical movement of the liquid splash preventing member.

  A third aspect of the invention is the shift lever device for an automatic transmission according to the second aspect, wherein the engaging portion includes a claw engaging portion that engages a claw portion of the liquid splash preventing member and the liquid. And a drop-off prevention wall for restricting the vertical movement of the hanging prevention member.

  The invention according to claim 3 is the shift lever device of the automatic transmission according to claim 1 or 2, wherein the liquid falling from above is received by both the liquid splash preventing member and the lever body. A liquid receiving groove is provided, and a liquid discharge port is provided for discharging the liquid that has entered the liquid receiving groove from a position where there is no inconvenience due to the drop.

  The invention according to claim 4 is the shift lever device of the automatic transmission according to claim 3, wherein the liquid splash preventing member is attached to the upper surface of the resin block portion of the lever body, and the liquid splash preventing member and the The liquid receiving groove and the drainage port are provided by both of the resin block portions.

  As described above, according to the first aspect of the present invention, when the liquid splash prevention member is attached to the lever main body via the engaging portion, and then the knob unit is assembled to the lever main body, Since the side terminal is automatically attached to the body side terminal of the liquid splash prevention member, the assembly of the knob to the lever body and the connection between the body side terminal and the knob side terminal can be easily performed. Is good. Further, since the liquid splash preventing member can be assembled in advance to the lever body, the body side terminal can be easily wired to the lever.

  According to the invention of claim 2, since the lever body can be assembled from the side by one touch, the assembly workability is good. In addition, the assembly direction of the liquid splash prevention member and the lever body is orthogonal to the assembly direction of the knob side terminal and the body side terminal, so that the locking structure with the claw will not come off, and it will be prevented from shifting up and down. be able to.

  According to the invention of claim 3, for example, the liquid that has fallen along the knob is received by the liquid receiving groove, and the liquid in the liquid receiving groove falls below the liquid discharge port. It is possible to prevent malfunctions caused by the intrusion of. And since the liquid receiving groove and the drainage port are provided by both the liquid splash preventing member and the lever body, the liquid receiving groove can be formed over the entire circumference of the lever body, and the leaked liquid can be reliably received by the liquid receiving groove. In addition, the liquid can be dropped within the entire periphery of the lever body to form the drainage port at the safest position.

  According to the fourth aspect of the present invention, the liquid receiving groove and the drainage port can be created relatively easily using the upper surface side of the resin block portion.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  1 to 5 show an embodiment of the present invention, FIG. 1 is a perspective view of a shift lever device 1 of an automatic transmission, and FIG. 2 is a perspective view of the shift lever device 1 from which an indicator case 4 and a slide plate 5 are removed. 3 is an exploded perspective view of the operation lever 3, FIG. 4 is a perspective view showing a state before the liquid splash preventing member 13 is attached to the engaging portion 12, and FIG. 5 is a diagram showing the liquid splash preventing member 13 attached to the engaging portion 12. It is a perspective view which shows the state made.

  As shown in FIGS. 1 and 2, the shift lever device 1 includes a support base 2 fixed to the vehicle body side, and a rotary shaft portion 3a rotatably supported by a rotary bearing portion 2a of the support base 2. An operation lever 3 in which an upper end portion (a position of the knob 11 described below) which is an operation position is arranged so as to be movable in the lever operation direction A, an indicator case 4 arranged above the support base 2, and the indicator case 4 And a slide plate 5 disposed at a position to close the long hole 4a.

  A shift lock mechanism 6 and a shift lock solenoid 7 for operating the shift lock mechanism 6 are fixed to a position below the support base 2.

  The indicator case 4 displays a shift position and the like, and has a long hole 4 a extending over the lever operation range of the operation lever 3. An opening 5a is formed in the slide plate 5, and the operation lever 3 is passed through the opening 5a. The slide plate 5 is slidable in the lever operation direction A and slides together with the operation lever 3. And it is set so that the long hole 4a of the indicator case 4 may be plugged up in all the slide positions.

  As shown in detail in FIG. 3, the operation lever 3 includes a lever body 10 and a knob 11. The lever main body 10 includes a metal rod 10a and a resin block portion 10b fixed to the metal rod 10a integrally by molding resin molding. The metal rod 10 a has a straight shape, and the tip end side projects upward from the opening 5 a of the slide plate 5 and the long hole 4 a of the indicator case 4. The resin block portion 10b is provided with a rotation shaft portion 3a serving as a rotation center.

  The knob 11 is attached to the outer periphery of the tip of the metal rod 10a protruding upward from the indicator case 4 by insertion. The knob 11 has an insertion hole (not shown) into which the metal rod 10a is inserted, and is arranged so as to cover a knob frame (not shown) formed of a high-strength material and the outer periphery of the knob frame. And a knob cover (particularly not labeled) formed of a resin having excellent elasticity such as vinyl chloride. The knob 11 is provided with an overdrive switch SW as a switch and a conductor (not shown) of the switch SW, and an end of the conductor is exposed at the lower end and a knob side terminal (not shown) is provided. It has been. The knob side terminal (not shown) is disposed so as to face the inside of a recess formed in the lower end surface of the knob 11.

  Further, as shown in detail in FIGS. 4 and 5, the engaging portion 12 is integrally provided on the upper surface side of the resin block portion 10 b by extending the resin block portion 10 b. The engaging portion 12 includes a pair of left and right claw locking portions 12a disposed at a position sandwiching the metal rod 10a, and a pair of upper and lower drop prevention walls 12b for restricting the vertical movement of the liquid splash preventing member 13 described below. Yes. The lower drop prevention wall is formed on the upper surface 10c of the resin block portion 10b. That is, the resin block portion 10b is used. The upper drop prevention wall 12b is provided on the upper surface of the pair of left and right claw locking portions 12a and protrudes laterally from the claw locking portion 12a.

  The liquid splash prevention member 13 has a pair of left and right claw portions 13a, and is attached to the engagement portion 12 by locking the pair of left and right claw portions 13a to each claw locking portion 12a from the side of the lever body 10. ing. The entire bottom surface of the water splash prevention member 13 is placed on the upper surface 10c of the resin block portion 10b, which is a lower fall prevention wall, and the upper surfaces of the pair of left and right claws 13a are in close contact with the pair of left and right fall prevention walls 12b. ing. In such a state, the liquid splash preventing member 13 is attached to the lever main body 10 via the engaging portion 12.

  The liquid splash preventing member 13 has a main body side terminal 14 mounted on the knob side terminal at a position facing a knob side terminal (not shown) of the knob 11 and in the process of assembling the knob 11 to the lever main body 10. A cylindrical portion 14a to be mounted is integrally provided. In this embodiment, the main body side terminal 14 is mounted and assembled to the cylindrical portion 14a. However, the main body side terminal 14 and a part of the harness h are integrally formed on the liquid splash prevention member 13 by molding resin molding. May be. The harness h passes through the slit 20 formed in the lever main body 10 and is locked to the two hooks 21 and passes through the vicinity of the rotating shaft portion 3a and is connected to a control unit (not shown).

  Further, a liquid receiving groove 15 (shown in FIG. 5) for receiving a liquid such as juice or water falling from above is provided by both the liquid splash preventing member 13 and the resin block portion 10b. A drain port 16 (shown in FIG. 5) for discharging the liquid that has entered the groove 15 is provided. The liquid receiving groove 15 is formed by a flange-shaped side wall provided around the upper surface 10c of the resin block 10b, and a waste liquid port 16 is formed by lacking a part of the side wall. The side wall includes a bottom surface portion 13b of the liquid splash preventing member 13 and an upper surface 10c of the resin block portion 10b, and a side wall 13c of the liquid splash preventing member 13 and a side wall 10d of the resin block portion 10b. By forming the side wall separately, the liquid splash preventing member 13 can be assembled from the side and assembled on the upper surface 10c, and the bottom portion of the liquid splash preventing member 13 closes the slit 20 through which the harness h passes. Or the like can be prevented from flowing through the slit 20. The liquid splash preventing member 13 and the side walls 13c and 10d of the resin block portion 10b are not formed over the entire periphery of the liquid receiving groove 15, and a portion where the side walls 10d and 13d are not formed is formed as a drainage port 16. The liquid discharge port 16 is preferably provided at a position where the liquid does not drop onto the shift lock solenoid 7 and the shift lock mechanism 6, that is, at a position opposite to the shift lock solenoid or the shift lock mechanism 6. Therefore, the position is set so that inconvenience such as malfunction does not occur.

  Next, a schematic assembly procedure of the shift lever device 1 will be described. First, the liquid splash preventing member 13 is attached to the lever main body 10 via the engaging portion 12. Next, the lever body 10 is rotatably assembled to the support base 2, and the lock mechanism 6, the shift lock solenoid 7 and the like are assembled to the support base 2. Further, the indicator case 4, the slide plate 5 and the like are assembled on the support base 2. And the metal rod 10a which is the upper end side of the lever main body 10 protrudes upward from the opening 5a of the slide plate 5 and the long hole 4a of the indicator case 4, and the unitary body of the knob 11 is assembled | attached to this metal rod 10a by retrofitting. .

  The knob 11 is assembled by aligning the insertion hole (not shown) of the knob 11 with the upper end of the metal rod 10a of the lever body 10 and pressing the knob 11 downward to attach the knob 11 to the outer periphery of the metal rod 10a. Then, the metal rod 10a gradually enters an insertion hole (not shown) of the knob 11 and the knob 11 is mounted. At the insertion completion position of the knob 11, the lower part of the knob 11 enters the opening 5 a of the slide plate 5. Further, in the process of assembling the knob 11, a knob side terminal (not shown) is automatically attached to the main body side terminal 14 of the liquid splash preventing member 13.

  In this way, the knob 11 can be assembled as a single unit to the lever body 10, and the body side terminal 14 and the knob side terminal (not shown) are automatically mounted during the assembly process of the knob 11. Good workability. Further, since the main body side terminal 14 is provided integrally with the liquid splash prevention member 13, there is no need to insert a harness of the main body side terminal into the liquid splash prevention member as in the conventional example. The assembly workability is also good.

  In this embodiment, since the liquid splash preventing member 13 is configured to be attached to the engaging portion 12 from the side of the lever main body 10, the assembly workability is good. Further, since the assembly direction of the liquid splash prevention member 13 and the lever main body 10 and the assembly direction of the knob side terminal and the main body side terminal 14 are orthogonal to each other, the locking structure with the claw will not come off, and the vertical movement will drop off. Since it is regulated by the prevention wall, it can be prevented from shifting up and down.

  In this embodiment, the liquid catching member 15 and the resin block portion 10b of the lever body 10 both provide a liquid receiving groove 15 for receiving the liquid falling from above, and the liquid that has entered the liquid receiving groove 15 is allowed to enter. A drain port 16 for discharging from a position where there is no inconvenience due to the dropping is provided. Therefore, for example, the liquid that has fallen through the knob 11 from the gap of the opening 5 a of the slide plate 5 is received by the liquid receiving groove 15, and the liquid in the liquid receiving groove 15 falls below the drain port 16. Therefore, it is possible to prevent the shift lever device 1 from malfunctioning due to liquid intrusion. In addition, since the liquid receiving groove 15 and the drain port 16 are provided by both the liquid splash preventing member 13 and the resin block portion 10b, the liquid receiving groove 15 can be formed over the entire periphery of the lever body 10, and the leaked liquid can be surely leaked. The liquid receiving groove 15 can receive the liquid, and the liquid can be dropped within the entire periphery of the lever main body 10 to form the liquid discharge port 16 at the safest position.

  In this embodiment, the liquid splash preventing member 13 is attached to the upper surface 10c of the resin block portion 10b of the lever body 10, and the liquid receiving groove 15 and the drain port 16 are formed by both the liquid splash preventing member 13 and the resin block portion 10b. Since it is provided, the liquid receiving groove 15 and the drainage port 16 can be created relatively easily using the upper surface 10c side of the resin block portion 10b.

  In this embodiment, the switch is the overdrive switch SW, but is not limited thereto, and may be a switch such as a 4WD-2WD changeover switch.

1 is a perspective view of a shift lever device of an automatic transmission according to an embodiment of the present invention. 1 is a perspective view of a shift lever device according to an embodiment of the present invention from which an indicator case and a slide plate are removed. FIG. 3 is an exploded perspective view of an operation lever according to the embodiment of the present invention. It is a perspective view which shows one Embodiment of this invention and shows the state before a liquid splash prevention member is attached to an engaging part. It is a perspective view which shows one Embodiment of this invention and shows the state by which the liquid splash prevention member was attached to the engaging part. It is sectional drawing of the shift lever apparatus of an automatic transmission which shows a prior art example. It is a perspective view before showing a prior art example and attaching a liquid splash prevention member to a knob.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Shift lever apparatus 2 Support stand 3 Operation lever 10 Lever main body 10b Resin block part 10c Upper surface 10d Side wall 11 Knob 12 Engagement part 12a Claw latching part 12b Fall-off prevention wall 13 Liquid splash prevention member 13a Claw part 13c Side wall 14 Main body side terminal 15 Liquid receiving groove 16 Drain outlet SW Overdrive switch (switch)

Claims (4)

An operating lever is composed of a lever body that is movably supported by a support base, and a knob that is attached to the tip of the lever body and has a switch and a knob-side terminal connected to the switch. In a shift lever device of an automatic transmission provided with a liquid splash prevention member and provided with a main body side terminal connected to the knob side terminal on the liquid splash prevention member,
An engagement portion is provided in the lever main body, the liquid splash prevention member is attached to the engagement portion, and the knob is assembled to the lever main body at a position facing the knob side terminal of the liquid splash prevention member. A shift lever device for an automatic transmission, wherein the main body side terminal to be mounted on the knob side terminal is provided integrally. A shift lever device for an automatic transmission according to claim 1,
The liquid splash preventing member is configured to be attachable to a side of the lever main body to the engaging portion,
The automatic transmission is characterized in that the engaging portion includes a claw locking portion for locking a claw portion of the liquid splash preventing member and a drop prevention wall for restricting the vertical movement of the liquid splash preventing member. Machine shift lever device. A shift lever device for an automatic transmission according to claim 1 or claim 2,
A liquid receiving groove for receiving the liquid falling from above is provided by both the liquid splash preventing member and the lever body, and the liquid that has entered the liquid receiving groove is discharged from a position where there is no inconvenience due to the dropping. A shift lever device for an automatic transmission, characterized in that a mouth is provided. A shift lever device for an automatic transmission according to claim 3,
The liquid splash preventing member is attached to the upper surface of the resin block portion of the lever main body, and the liquid receiving groove and the drain port are provided by both the liquid splash preventing member and the resin block portion. Shift lever device for automatic transmission.

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