JPH04110229U - clutch cover assembly - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a clutch cover assembly that can easily discharge dirt such as sand and dust that has entered the inside. [Structure] This clutch cover assembly includes an annular pressure plate 11 for holding the clutch disc 24 together with the flywheel 25, and a disc-shaped diaphragm spring 12 for elastically pressing the pressure plate 11 toward the flywheel 25. and a clutch cover 10 which houses a pressure plate 11 and a diaphragm spring 12 therein and whose outer peripheral portion is connected to a flywheel 25. clutch cover 10
has a pivot portion that supports the outer peripheral end of the diaphragm spring 12, and a plurality of dust holes 23 that are formed to open radially outward.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention provides a clutch cover assembly, in particular, a clutch cover with a diaphragm sprocket. The present invention relates to a clutch cover assembly that supports the outer peripheral end of a ring.

0002

[Conventional technology]

Clutch cover assemblies used in automobile clutches, etc. are connected to the flywheel. This is to hold the clutch disc between the pressure plate and , a diaphragm spring, and a clutch cover. like this In the clutch cover assembly, if the pull type is used, the diaphragm sprocket An outer peripheral end of the ring is supported by a support portion of the clutch cover.

0003 However, the diaphragm spring support part of the clutch cover is If dirt such as sand or dust enters the clutch cover, it will cause centrifugal force. The diaphragm spring and the diaphragm spring support of the clutch cover are Debris accumulates between the handle and the handle. Then, when releasing the clutch, the diaphragm The ram spring begins to crush the accumulated debris, which reduces the release load. adversely affect characteristics. Also, if dirt accumulates, the diaphragm spring may need to be set. The posture changes and the pressing load on the pressure plate is also adversely affected. .

0004 Therefore, as shown in Fig. 5, a clutch cover with a dust release part is installed. Traditionally, switch cover assemblies have been used. In Figure 5, this clutch cover -The assembly has a plate-shaped clutch cover 1, and a pressure plate is installed inside the clutch cover 1. 2 and a diaphragm spring 3. Clutch cover 1 has a diamond A pivot portion 4 that abuts and supports the outer peripheral end of the flamm spring 3, and a diamond A non-contact portion 5 is formed to create a gap between the outer peripheral end of the flamm spring 3 and the outer peripheral end of the flamm spring 3. They are formed in an alternating sequence.

[0005] With a clutch cover assembly configured like this, when the clutch rotates, sand and dust etc., are moved to the outer periphery by centrifugal force, and the diaphragm spring 3 and clutch It passes between the non-contacting part 5 of the cover 1 and is discharged to the outside through the route shown by the arrow. be done.

[0006]

[Problem that the idea aims to solve]

A clutch cover in which a non-contacting portion 5 is formed on the clutch cover 1 as in the conventional example. - In the assembly, the dust is actually obstructed by the clutch cover 1 and cannot be sufficiently discharged to the outside. Not served. Particularly when driving in bad environments with a lot of dust such as sandy areas or deserts, a large amount of As mentioned earlier, the release load It will have a negative impact on critical properties, etc.

[0007] The purpose of this invention is to provide a clutch that can sufficiently discharge dirt such as sand and dust that has entered the inside of the clutch. An object of the present invention is to provide a cover assembly.

[0008]

[Means to solve the problem]

The clutch cover assembly according to the present invention includes a pressure plate and a diaphragm. It is equipped with a spring and a clutch cover. The pressure plate is It is an annular member for holding the latch disk together with the flywheel. The diaphragm spring elastically connects the pressure plate to the flywheel side. It is a disc-shaped member that presses against the The clutch cover is connected to the pressure plate. Earphragm spring is housed inside, and the outer periphery can be connected to the flywheel. It is a member. The clutch cover supports the outer peripheral end of the diaphragm spring. and a plurality of discharge parts formed to open radially outward. ing.

[0009]

[Effect]

In the clutch cover assembly according to the present invention, when the flywheel rotates, this The clutch cover fixed to the clutch also rotates. At this time, the person who had infiltrated the inside The shaft moves toward the outer circumference due to centrifugal force. The clutch cover has a radially outward Since a discharge section is formed that opens into the drain, garbage is discharged from this discharge section. child This allows the dust inside the clutch cover assembly to be sufficiently discharged.

0010

【Example】

FIG. 1 shows a clutch cover assembly as an embodiment of the present invention. In FIG. 1, the clutch cover assembly includes a clutch cover 10 and a clutch cover 10. An annular pressure plate 11 arranged inside the bar 10 and a diaphragm It mainly has a pulling 12.

[0011] The clutch cover 10 is formed into a dish shape, and includes a flat part 13 and an outer peripheral mounting part. 14, and a side surface 15 between the two 13 and 14. Inside the flat part 13 A large diameter hole 16 is formed in the center. In addition, this clip is attached to the outer periphery attachment part 14. A plurality of bolt holes 17 are formed for fixing the latch cover 10 to the flywheel. has been done. Additionally, a strap plate (not shown) is attached to the outer periphery attachment part 14. Three openings 6 (see FIGS. 1 and 3) are formed for attachment to the clutch cover 10. has been done. On both sides of this opening 6, there are cutouts 19 as shown in FIGS. 3 and 4. It is formed.

0012 As shown in FIGS. 1 and 2, the plane part 13 has six pivots arranged at equal intervals in the circumferential direction. A port 20 is formed to protrude inward. And with this pivot 20 Thus, the outer peripheral end of the diaphragm spring 12 is supported. Therefore, the plane A portion of the portion 13 where the pivot 20 is not formed is a diaphragm spring. As shown in FIG. A gap 22 is formed between the contact portion 21) and the diaphragm spring 12. Ru.

[0013] Further, a bent part between the flat part 13 and the side part 15 of the clutch cover 10 has a half-shaped part. A plurality of dust holes 23 are formed that open radially outward. This dust hole 23 As is clear from FIG. Ru. Further, the dust hole 23 is formed in the non-contacting part 2 of the plane part 13, as shown in FIGS. 1 to 3. Areas A, B, and C in 1, that is, the opening 6 for attaching the strap plate are They are formed at predetermined intervals in the unformed portions.

[0014] The pressure plate 11 connects the clutch disc 24 with the flywheel 25. This is to connect the clutch by holding it between them. pressure plate 11 has a protrusion 26 on the opposite side of the clutch disc 24 over the entire circumference. have. The diaphragm spring 12 is in contact with this protrusion 26.

[0015] The diaphragm spring 12 is a disc arranged concentrically with the clutch cover 10. The outer peripheral end of the member is supported by the pivot 20 of the clutch cover 10. has been done. The diaphragm spring 12 uses the pivot 20 as an operating fulcrum, The protrusion 26 of the pressure plate 11 is connected to the flywheel at the radially intermediate portion thereof. It is elastically pressed toward the 25 side. The inner peripheral end of the diaphragm spring 12 is The inner peripheral end is connected to the transmission side (not shown). (on the right side in Fig. 1) to release the connection of the clutch disc 24. It has a structure that allows

[0016] In the clutch cover assembly having such a structure, the flywheel 25 rotates completely. Then, the clutch cover 10, pressure plate 11 and da Earphragm spring 12 rotates. Then, dirt such as sand and dust is removed by centrifugal force. Move toward the outer circumference in the radial direction. This garbage is on the clutch cover 10 and diaphragm. It passes through the gap 22 between the puller 12 and further moves toward the outer periphery, as indicated by the arrow in FIG. so that the dust passes through the dust hole 23 formed in the bent portion 15 of the clutch cover 10. and is discharged outward. At this time, the dust is removed from the three areas A, B, and C on the flat surface 13 shown in Figure 2. It will be discharged from the location in the direction of the arrow. For this reason, diaphragm spring 1 2 and the clutch cover 10, and as a result, the lever It may adversely affect the release load during release operation, or damage the diaphragm spring 1. It is possible to prevent the pressing load from being adversely affected.

[0017] Further, as is clear from FIGS. 2, 3, and 4, the dust hole 23 is The clutch cover 1 is formed so as to avoid the area around the opening 6 for attaching the plate. 0 can be avoided from decreasing its overall strength.

[0018] In addition, if the decrease in strength is not a problem, the dust hole 23 should be placed at the pivot 20 or higher. It may be formed all around the outside.

[Effect of the idea]

The clutch cover assembly according to the present invention supports the diaphragm spring. A pivot portion and a discharge portion opening radially outward are formed on the clutch cover. Because of this, it is easy to remove dirt that has entered the interior, and dirt that may adversely affect the characteristics. can be prevented.

[Brief explanation of drawings]

FIG. 1 is a partial vertical cross-sectional view of an embodiment of the present invention.

FIG. 2 is a plan view of the clutch cover.

FIG. 3 is a partial plan view of the clutch cover.

FIG. 4 is a perspective view in the IV direction of FIG. 3;

FIG. 5 is a partial vertical cross-sectional view of a conventional example.

[Explanation of symbols]

10 Clutch cover 11 Pressure plate 12 Diaphragm spring 20 Pivot 23 Dust hole 24 Clutch disc 25 Flywheel

Claims (1)

[Scope of utility model registration request] 1. An annular pressure plate for holding a clutch disc together with a flywheel; a disc-shaped diaphragm spring that elastically presses the pressure plate toward the flywheel; and the pressure plate and the diaphragm spring. and a clutch cover having an outer circumferential portion connected to the flywheel, the clutch cover having a pivot portion supporting an outer circumferential end of the diaphragm spring, and a pivot portion formed to open radially outward. A clutch cover assembly having a plurality of discharge portions.