JP5052487B2 - Torsion damper outer plate, armature and electromagnetic clutch assembly - Google Patents

Description

The present invention car cooler, and other various been Ru conductive magnetic clutch used equipment armature, the outer plate or the like of the torsion damper, to an assembly for an electromagnetic clutch assembly thereof.

As shown in FIG. 4, the armature A of the electromagnetic clutch has a hub insertion hole B at the center of the metal plate and a connection hole C at the outer periphery. In the torsion damper D, a dish-shaped inner plate F is concentrically arranged inside a ring-shaped outer plate E, and rubber G is vulcanized and integrated between the plates E and F. A connecting hole I is opened in the outer peripheral edge H of the outer plate E, and an insertion hole K is opened in the flat plate portion J of the inner plate F. The armature A and the torsion damper D are overlapped as shown in FIGS. 4 and 5 so that the connecting holes C and I are aligned, and a rivet L is inserted into the connecting holes C and I, and the rivet L is caulked. Are connected. The hub M is abutted against the flat plate portion J of the inner plate F from the hub insertion hole B of the armature A, and the rivet L is inserted into the insertion hole N of the hub M and the insertion hole K of the flat plate portion J. The hub M is connected and fixed to the inner plate F by crimping.

The connection between the conventional armature A and the torsion damper D has the following problems.
(1) Since the washer O (FIGS. 4 and 5) needs to be sandwiched between the connecting hole C of the armature A and the connecting hole I of the outer plate E, the setting of the washer O is troublesome. There is also a problem that it is difficult to set the washer O when working with gloves.
(2) Forgetting to set the washer O may cause an abnormality. If an abnormality occurs after being incorporated into the product, the entire product may become defective.
(3) The cost is increased by the amount of the washer O.

The invention without the use of washers, intended to provide the outer plate and the armature of bets Activation damper to be able to obtain the same effect as using washers them the assembled assembly for an electromagnetic clutch is there.

The outer plate of the torsion damper according to the present invention is a stopper that is connected to the armature at several locations in the circumferential direction of the outer peripheral portion of the outer plate in the outer plate of the torsion damper that is assembled to overlap with the armature. Are provided with perforated projections with connecting holes that can be inserted, projecting to the surface side that overlaps the armature, and the projecting height of the perforated projection is the same as or the same as the thickness of the washer, When the outer plate and the armature are overlapped, a gap corresponding to the protruding height of the perforated projection is formed between the armature and the outer plate, so that the washer can be used instead . The armature according to the present invention is the armature provided with a connecting hole for connecting a plurality of elongated grooves and the outer plate of the torsion damper to the metal plate, as defined in claim 2 , in the circumferential direction of the outer peripheral portion of the armature In several places, perforated protrusions with connecting holes that can be inserted into the stoppers that connect with the outer plate are provided, and the perforated protrusions protrude on the surface side that overlaps with the outer plate. The thickness of the washer is the same as or the same as the thickness of the washer. When the outer plate and the armature are overlapped, a gap corresponding to the protruding height of the perforated protrusion is created between the armature and the outer plate so that it can be used as a substitute for the washer. Is .

According to the electromagnetic clutch assembly of the present invention, the torsion damper is an assembly for an electromagnetic clutch in which the torsion damper and the armature are stacked with a gap therebetween and the gap is secured and connected. The torsion damper according to Item 1, wherein the perforated protrusion of the torsion damper and the armature are overlapped to form a gap between the torsion damper and the armature by the perforated protrusion, and the connection hole of the perforated protrusion and the connection of the armature A connecting tool is inserted into the hole, and the torsion damper and the armature are connected using the perforated protrusion as a substitute for a washer . In the electromagnetic clutch assembly of the present invention, the torsion damper is an assembly of the electromagnetic clutch in which the torsion damper and the armature are stacked with a gap therebetween and the gap is secured and connected. The torsion damper according to claim 1, wherein the armature is an armature according to claim 2, wherein the perforated protrusion of the torsion damper and the perforated protrusion of the armature are overlapped, and the both perforated protrusions are disposed between the torsion damper and the armature. Thus, a torsion damper and an armature can be connected by inserting a connecting tool into the connecting hole of the two perforated protrusions and using the perforated protrusion as a substitute for a washer .

The outer plate and armature of the torsion damper of the present invention have the following effects.
(1) Since the protruding portion that protrudes in the thickness direction is provided on the overlapping surface of the outer plate , the protruding portion can be used as a substitute for the washer, and it is the same as when using the washer without using the washer. Has function and effect.
(2) Since no washer is used, the cost is reduced, the work of connecting the outer plate and the armature becomes easy, the workability is improved, and there is no abnormality caused by forgetting to insert the washer.

The electromagnetic clutch assembly of the present invention uses the outer plate and the armature , so that the assembly is easy and the structure is simple.

(Embodiment 1)
The outer plate, armature and electromagnetic clutch assembly of the torsion damper of the present invention may have any shape and structure. In this embodiment, the outer ring of the torsion damper for the electromagnetic clutch is illustrated as an example. It demonstrates based on 1-3.

The torsion damper and armature of the present invention will be described with reference to FIG. The outer plate 1 shown in FIG. 1 has a ring-shaped peripheral wall 2 and flanges 3 on the outside thereof, and a plurality of protrusions 4 (FIG. 3) projecting outside the flange 3 are provided at several locations on the flange 3. A projecting portion projecting in the thickness direction of the member is provided, and a connecting hole 5 is formed in this to form a perforated projecting portion 6. Although the perforated protrusion 6 in FIG. 1 is formed on the three protrusions 4 provided on the flange 3 of the outer plate 1, the formation location and the number of formation may be other than this. The shape of the protrusion 4 can also be different from that shown. The perforated protrusion 6 protrudes from the surface on which other metal members are stacked. The protruding height of the perforated protruding portion 6 can be set arbitrarily, but if it is the same as or the same as the wall thickness of the washer, it is suitable for substitution of the washer.

The outer plate 1 is disposed outside the dish-shaped inner plate 7 as shown in FIGS. 1 and 2, and rubber 8 is vulcanized and integrated to form a torsion damper 9. The torsion damper 9 can be assembled with the armature 10. The armature 10 is the same as a conventional product, and a hub set hole 12 is opened at the center of a disk-shaped metal plate 11, an arc-shaped elongated groove 13 is formed on the outer side, and round holes are formed at three locations on the outer periphery. (Connecting hole) 14 is opened.

Assembly for an electromagnetic clutch of the present invention FIG. 1, in which assembly the torsion damper 9 and the armature 10 and the hub 15 as shown in FIG. 1, overlapping an outer plate 1 and the armature 10 of the torsion damper 9 in Figure 2, to align the coupling hole 14 of the coupling hole 5 and the armature 10 of the outer plate 1, insert the rivet 16 in both the coupling hole 5 and 14, The torsion damper 9 and the armature 10 are connected by caulking the rivet 16.

As shown in FIGS . 1 and 2, the electromagnetic clutch assembly of the present invention presses the hub 15 against the flat plate portion 17 of the inner plate 7 from the hub set hole 12 of the armature 10, and the insertion hole 18 of the hub 15 and the The hub 15 is connected and fixed to the flat plate portion 17 by aligning the insertion holes 19 of the flat plate portion 17, inserting the rivets 16 into the insertion holes 18 and 19, and crimping the rivets 16.

(Embodiment 2)
A second embodiment of the electromagnetic clutch assembly of the present invention will be described. In this embodiment, the form in which the connecting hole 5 is located at a place different from the protruding portion protruding in the thickness direction of the metal member is described, and the basic form is common to the first embodiment.

  The outer plate 1 shown in FIG. 6 has a flange 3 on the outer side of the ring-shaped peripheral wall 2, and protrusions 20 that protrude in the thickness direction of the metal member are provided at several locations on the flange 3. The width is sufficient to include. The protrusions 20 shown in FIG. 6 are formed at three locations on the flange 3 of the outer plate 1, have an arc shape that is long and narrow in the circumferential direction of the flange 3, and overlaps the armature 10 in the thickness direction of the metal member. Projecting to the surface side. The projecting portion 20 may be formed in any other location or number, and the shape thereof may be a hemispherical protrusion, a pyramidal protrusion, or a shape obtained by removing the connecting hole 5 from the perforated projecting portion 6 shown in FIG. Other shapes can also be used.

(Other embodiments)
The perforated protrusion 6 shown in FIG. 1 and the protrusion 20 shown in FIG. 6 can be provided on the torsion damper 9, the armature 10, or both the torsion damper 9 and the armature 10. A combination of the perforated protrusion 6 and the protrusion 20 can also be provided. In addition, when both the torsion damper 9 and the armature 10 are provided with protrusions (perforated protrusions 6 and protrusions 20) and the protrusions of both are attached, the total height of the protrusions of both protrusions It is necessary to take care so that becomes a predetermined space. Further, when the armature 10 is provided with a protruding portion (perforated protruding portion 6 or protruding portion 20), the protruding portions can be provided on both surfaces of the metal plate 11 so as not to mix the front and back when combined with the torsion damper 9.

The outer plate and armature of the torsion damper according to the present invention can be used in various places where a washer is required to connect metal members. Electromagnetic clutch assemblies can also be used for various parts including automobile parts and household appliances.

Explanatory drawing of the outer plate of the torsion damper of this invention , an armature, and the assembly for electromagnetic clutches . Sectional drawing of the assembly for electromagnetic clutches of this invention. The detailed drawing of the protrusion of the assembly for outer plates, armatures, and electromagnetic clutches of the torsion damper of the present invention. Explanatory drawing of the conventional metal member and assembly. Sectional drawing of the conventional assembly. Explanatory drawing which shows the other Example of the outer plate of the torsion damper of this invention , an armature, and the assembly for electromagnetic clutches . Sectional drawing which shows the other Example of the assembly for electromagnetic clutches of this invention.

DESCRIPTION OF SYMBOLS 1 Outer plate 2 Perimeter wall 3 鍔 4 Projection 5 Connection hole 6 Perforated protrusion 7 Inner plate 8 Rubber 9 Torsion damper 10 Armature 11 Metal plate 12 Hub set hole 13 Elongated groove 14 Round hole (connection hole)
15 Hub 16 Rivet 17 Flat Plate 18 Hub Insertion Hole 19 Flat Plate Insertion Hole 20 Projection

Claims (4)

In the outer plate of the torsion damper assembled with the armature,
Perforated protrusions with connecting holes into which stoppers that connect to the armature can be inserted are provided at several locations in the circumferential direction of the outer peripheral portion of the outer plate, and the perforated protrusions protrude to the surface side that overlaps the armature. The protrusion height of the perforated protrusion is the same as or about the same as the wall thickness of the washer. When the outer plate and the armature are overlapped, a clearance corresponding to the protrusion height of the perforated protrusion is created between the armature and the outer plate. An outer plate of a torsion damper, characterized by being able to do so. In an armature equipped with a connecting hole that connects several elongated grooves and an outer plate of a torsion damper to a metal plate,
At several places in the circumferential direction of the outer peripheral portion of the armature, there are provided perforated projections with connecting holes into which stoppers that connect with the outer plate can be inserted, and the perforated projections protrude to the surface side overlapping the outer plate, The protrusion height of the perforated protrusion is the same as or the same as the thickness of the washer. When the outer plate and the armature are overlapped, a gap corresponding to the protrusion height of the perforated protrusion is created between the armature and the outer plate. An armature characterized by being able to. In the assembly for an electromagnetic clutch in which the torsion damper and the armature are overlapped with a gap and the gap is secured and connected,
The torsion damper is the torsion damper according to claim 1, wherein the perforated protrusion of the torsion damper and the armature are overlapped to form a gap between the torsion damper and the armature, and the connection hole of the perforated protrusion is formed. An assembly for an electromagnetic clutch, wherein a torsion damper and an armature are connected by inserting a connecting tool into a connecting hole of the armature and using the perforated protrusion as a substitute for a washer. In the assembly for an electromagnetic clutch in which the torsion damper and the armature are overlapped with a gap and the gap is secured and connected,
The torsion damper is the torsion damper according to claim 1, the armature is the armature according to claim 2, and the perforated protrusion of the torsion damper and the perforated protrusion of the armature are overlapped, and the torsion damper and the armature are overlapped. A gap is formed by the two perforated protrusions, a connecting tool is inserted into a connecting hole of the two perforated protrusions, and the torsion damper and the armature are connected by using the perforated protrusion as a substitute for a washer. Assembly for electromagnetic clutch.

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