JP2012127417A - Clutch disc abrasion detection device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a clutch disc abrasion detection device that can reduce the number of kinds of indicators.SOLUTION: In the clutch disc abrasion detection device in which the indicators are attached to a clutch housing via a stay, the clutch disc abrasion detection device is characterized in that: the stay is formed of one piece of a rod; one end side of the rod is connected so as to be turnable to an outer lever attached to a clutch operating shaft which penetrates the clutch housing; the other end side of the rod is made to penetrate a pipe member; the end face of the pipe member is adjusted so as to be flush with the end of the rod which is protruded from the pipe member in assembling a clutch disc; and the pipe member is firmly attached to the stay.

Description

  The present invention relates to a clutch disk wear detecting device for detecting a wear limit of a clutch disk.

  As a clutch disk wear detecting device for detecting the wear limit of the clutch disk, as disclosed in Patent Document 1 or Patent Document 2, an indicator with a scale is attached to a stay attached to the clutch housing, and the movable rod portion of the clutch booster The structure of detecting the wear limit of the clutch disk by the movement of the indicator plate attached to the is known.

  FIG. 7 shows a clutch disk wear detecting device disclosed in Patent Document 1, in which 1 is a clutch operating shaft that is inserted through the clutch housing, and 3 is swingably mounted around the clutch operating shaft 1 as a rotation center. In the outer lever, the end of the outer lever 3 is rotatably connected via a push rod 5 and a ball joint 7 of a clutch booster which is an operation driving means. An indicator plate 9 serving as a pointer is attached to the end of the push rod 5, and an indicator (wear indicator) 11 is bolted to a stay 13 attached to the clutch housing correspondingly.

  The indicator 11 is provided with a scale (for example, a mark “MIN” or the like) 15 indicating the worn state of the clutch disk. In the area between the scale 15 and the fixed end, the clutch disk is attached. A scale 17 (for example, an inscription “SET” or the like) 17 indicating the state of the hour is provided. Further, V-shaped notches 19 and 21 are provided in the plate width portion of the indicator 11 corresponding to the two scales 15 and 17.

  When the clutch disk is assembled, the clutch disk wear detecting device 23 points to the notch 21 of the scale 17 where the tip of the indicator plate 9 is “SET”, and the outer lever 3 moves in the direction of arrow A as the clutch disk wears. The indicator plate 9 moves in the same direction. When the clutch disk reaches the limit of wear, the tip of the indicator plate 9 is configured to indicate the notch 19 of the scale 15 with “MIN”.

Japanese Utility Model Publication No.59-170205 JP 2010-144776

  However, conventionally, this type of clutch disk wear detection device has different indicator lengths and mounting positions depending on the clutch and transmission specifications, and the amount of movement up to the limit of use depends on the clutch booster layout. There were different cases.

  For this reason, conventionally, an indicator having a different length is required for each vehicle specification, which increases the man-hours for managing the parts. In addition, in the case of a vehicle type with a small number of production, the manufacturing cost of the indicator may be high.

  The present invention has been devised in view of such circumstances, and an object of the present invention is to provide a clutch disk wear detection device capable of reducing the types of indicators.

  In order to achieve such an object, according to a first aspect of the present invention, there is provided a clutch disk wear detecting device in which an indicator is attached to a clutch housing through a stay, wherein the stay is formed by a single rod, and one end of the rod is formed. The other end of the rod is inserted into the pipe member, and the rod protruding from the pipe member when the clutch disk is assembled is connected to the outer lever that is attached to the clutch operating shaft through which the clutch housing is inserted. The end of the pipe member is adjusted to be flush with the end, and the pipe member is fixed to the stay.

  According to a second aspect of the present invention, in the clutch disc wear detecting device in which the indicator is attached to the clutch housing via the stay, the stay is formed by a single wire, and one end of the wire is connected to the clutch housing. The other end of the wire is inserted into the pipe member, and the pipe member is inserted into the end of the wire protruding from the pipe member when the clutch disk is assembled. The end portion is adjusted to be flush with the pipe member fixed to the stay.

  According to the clutch disk wear detecting device according to the first and second inventions, even if the clutch and transmission specifications are different and the clutch booster layout is different, many specifications can be handled with one rod or wire. As a result, the types of indicators having different lengths can be reduced, so that troublesome part management is not required, and the current layout can be used without being changed.

  Furthermore, since the indicator can be configured with only the rod or wire and the pipe member, the manufacturing cost of the clutch disk wear detecting device can be reduced.

  Moreover, according to 2nd invention, it has the advantage that an indicator can be installed in the position which is easy to confirm by changing a rod into a wire.

1 is an overall perspective view of an embodiment of a clutch disk wear detection device according to a first invention. It is a disassembled perspective view of a clutch disk wear detection apparatus. It is explanatory drawing of a rod and a pipe member. It is explanatory drawing of a rod and a pipe member. It is explanatory drawing of a rod and a pipe member. It is a whole perspective view of one embodiment of a clutch disk wear detection device concerning the 2nd invention. It is a side view of the conventional clutch disk wear detection apparatus.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 shows an embodiment of a clutch disk wear detecting device according to the first invention. In the figure, reference numeral 25 denotes a clutch operating shaft through which the clutch housing 27 is inserted, and 29 denotes swinging about the clutch operating shaft 25 as a rotation center. An outer lever (release shaft lever) that can be attached is connected to the push rod 33 of the clutch booster 31 via a ball joint 35 so that the end side of the outer lever 29 is rotatable.

  In FIG. 1, reference numeral 37 denotes a single metal rod having a ring-shaped connecting member 39 fixed to one end as shown in FIG. 2. In this embodiment, the rod 37 is worn on the clutch disk. It is used as an indicator to detect the state.

  That is, as shown in FIG. 2, an attachment hole 41 for connecting the rod 37 is used at the end of the outer lever 25. Then, a cylindrical connecting pin 47 having a stopper hole 45 formed at the tip is inserted into the connecting member 39, the mounting hole 41, and the washer 49, and the stopper 43 is locked in the stopper hole 45. Thus, one end side of the rod 37 is rotatably connected to the outer lever 25.

  Further, as shown in FIGS. 1 and 2, the other end of the rod 37 is inserted through a single metal pipe member 51. 2 and 3, when the clutch disk is assembled, the end of the pipe member 51 is flush with the end of the rod 37 protruding from the pipe member 51 as shown in FIG. After the position is moved and adjusted in the direction of the arrow, the pipe member 51 is attached to the clutch housing 27 via the mounting bracket 53 and the stay 55 in a state where the end of the pipe member 51 is flush with the end of the rod 37. It is fixed.

  As shown in FIG. 2, the mounting bracket 53 is made of a plate member having a cylindrical holding portion 57 for press-fitting the pipe member 51 formed at the tip thereof, and is bolted to a stay 55 formed in a substantially L-shaped cross section. ing.

  As described above, when the clutch disk is assembled, the end of the pipe member 51 and the end of the rod 37 are flush with each other, but the clutch disk is worn and the outer lever 25 rotates in the direction of the arrow in FIG. When moved, the rod 37 comes out of the pipe member 51 as shown in FIG. Further, as shown in FIG. 2 and FIG. 5, a wear limit mark 59 is knurled over a predetermined range on the outer periphery of the end portion of the rod 37 on the pipe member 51 side. 37 comes out of the pipe member 51 and the wear limit mark 59 appears from the pipe member 51 so that the operator can recognize the wear limit of the clutch disk.

  Since the clutch disk wear detecting device 61 according to the present embodiment is configured as described above, one end side of the rod 37 is rotatably connected to the outer lever 25 as shown in FIG. 2 and shown in FIGS. After moving and adjusting the position of the pipe member 51 in the direction of the arrow so that the end of the pipe member 51 is flush with the end of the other end of the rod 37 protruding from the pipe member 51 as shown in FIG. The pipe member 51 may be fixed to the clutch housing 27 via the mounting bracket 53 and the stay 55 in a state where the end of the member 51 is flush with the end of the rod 37.

  Thus, the end of the pipe member 51 and the end of the rod 37 are flush with each other when the clutch disk is assembled. However, when the clutch disk wears and the outer lever 25 rotates in the direction of the arrow in FIG. As shown in FIG. 5, the rod 37 protrudes from the pipe member 51 and the wear limit mark 59 appears from the pipe member 51, thereby allowing the operator to recognize the wear limit of the clutch disk.

  Further, as described above, conventionally, the length and mounting position of the indicator differ depending on the specifications of the clutch and transmission, and various indicators need to be changed depending on the layout of the clutch booster. According to the specifications, the pipe member 57 is moved and adjusted in the direction of the arrow when the clutch disk is assembled as shown in FIG. 3, and the mounting position of the rod 37 with respect to the outer lever 25 is changed according to the specifications, that is, the mounting holes provided in the outer lever 25 By changing the lever position and changing the lever ratio, it is possible to cope with many specifications with one rod 37, and the wear limit mark 59 functions for all specifications.

  As described above, according to this embodiment, even if the clutch and transmission specifications are different and the clutch booster layout is different, it is possible to cope with many specifications with one rod 37. As a result, the length The types of different indicators can be reduced, so that troublesome part management becomes unnecessary, and the current layout can be used without change.

  Further, since the indicator can be configured by only the rod 37 and the pipe member 51, the manufacturing cost of the clutch disk wear detecting device can be reduced.

  Further, the provision of the wear limit mark 59 has an advantage that the wear state of the clutch disk can be recognized well.

  FIG. 6 shows an embodiment of a clutch disk wear detecting device according to the second invention. In this embodiment, a wire 63 is used in place of the rod 37.

  That is, one end side of the wire 63 is rotatably connected to the outer lever 29 by the same structure as the rod 37, and the other end side of the wire 63 is covered with the pipe member 65. The pipe member 65 is formed longer than the pipe member 51, and two front and rear portions thereof are fixed to the clutch housing 27 via a mounting bracket 53 and a stay 55 as shown in the figure.

  After the pipe member 65 is moved and adjusted so that the end of the pipe member 65 is flush with the end of the wire 63 protruding from the rear pipe member 65 when the clutch disk is assembled. In the state where the end of the rear pipe member 65 is flush with the end of the wire 63, the two front and rear portions of the pipe member 65 are fixed to the clutch housing 27 via the mounting bracket 53 and the stay 55. .

  When the clutch disc is worn and the outer lever 25 rotates in the direction of the arrow in FIG. 6, the wire 63 comes out of the pipe member 65 as shown. Although not shown, a wear limit mark is painted on the outer periphery of the end portion of the wire 63, and the wear limit mark appears from the pipe member 65 so that the wear limit of the clutch disk is recognized.

  The clutch disk wear detecting device 67 according to the present embodiment is configured in this way, and the present embodiment can achieve the intended purpose as in the previous embodiment, and the specifications of the clutch and transmission can be achieved. Even if the clutch booster layout is different, it is possible to deal with many specifications with one wire 63. As a result, it is possible to reduce the types of indicators having different lengths, and troublesome component management is possible. It becomes unnecessary.

  In addition, since the indicator can be configured with only the wire 63 and the pipe member 65, the manufacturing cost of the clutch disk wear detecting device can be reduced.

  In addition, according to the present embodiment, the rod 37 in FIG. 1 is changed to the wire 63, so that an indicator can be installed at a position where it can be easily confirmed.

25 Clutch operating shaft 27 Clutch housing 29 Outer lever (release shaft lever)
31 Clutch booster 33 Push rod 35 Ball joint 37 Rod 51, 65 Pipe member 53 Mounting bracket 55 Stay 59 Wear limit mark 61, 67 Clutch disc wear detecting device 63 Wire

Claims (4)

In the clutch disc wear detection device in which the indicator is attached to the clutch housing via the stay,
The stay is formed of a single rod, and one end of the rod is pivotally connected to an outer lever that is attached to a clutch operating shaft through which the clutch housing is inserted, and the other end of the rod is inserted into a pipe member. ,
A clutch disk wear detecting device comprising: adjusting an end of a pipe member flush with an end of a rod protruding from the pipe member when the clutch disk is assembled; and fixing the pipe member to a stay. .   2. The clutch disk wear detection device according to claim 1, wherein a wear limit mark is provided on the outer periphery of the other end of the rod. In the clutch disc wear detection device in which the indicator is attached to the clutch housing via the stay,
The stay is formed of a single wire, and one end of the wire is pivotally connected to an outer lever that is attached to a clutch operating shaft through which the clutch housing is inserted, and the other end of the wire is inserted into a pipe member. ,
A clutch disk wear detecting device characterized in that, when the clutch disk is assembled, the end of the pipe member is adjusted to be flush with the end of the wire protruding from the pipe member, and the pipe member is fixed to the stay. . 4. The clutch disk wear detection device according to claim 3, wherein a wear limit mark is provided on the outer periphery of the other end of the wire.

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