Clutch release bearing dust cover

By designing a dust cover structure that includes a base, a fixing part, a telescopic part, and a retaining ring, the problem of unstable installation of dust covers under dynamic working conditions in the prior art is solved, achieving effective sealing and stability, preventing dust and debris from entering, and extending service life.

CN223708347UActive Publication Date: 2025-12-23NANJING BEARING
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Patent Information

Application Number
CN202520642712.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2025-12-23
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

Existing dust covers for automotive release bearings are not securely installed under dynamic operating conditions, allowing dust and debris to easily enter.

Method used

A dust cover structure including a base, a fixed part, a telescopic part, a tapered part, and a retaining ring was designed. It is fixed to the bearing surface by bolts, and the tapered part fits against the shaft. Combined with the sliding connection of the adjusting bolt and the retaining ring, a sealing effect is achieved.

Benefits of technology

It effectively prevents dust and debris from entering, enhances the sealing performance and installation stability of the dust cover, and extends its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a clutch release bearing dust cover which comprises a base, the side face of the base is provided with a fixing part, the side face of the fixing part is provided with a telescopic part, the telescopic part is composed of a plurality of sets of rubber rings of a cake-shaped structure, the side face of the telescopic part is provided with a gradually-shrinking part, and the surface of the gradually-shrinking part is provided with a clamping ring. And the base, the fixing plate, the telescopic part and the gradually-shrinking part are integrally formed. The connecting base is arranged on the side face of the clamping ring, the clamping ring is connected into the connecting base in an inserted mode, one end of the clamping ring is fixedly connected with the connecting base, the other end of the clamping ring is connected with the connecting base in a sliding mode, the adjusting bolt is arranged in the connecting base, and the multiple sets of adjusting holes are formed in the clamping ring. The adjusting hole is matched with threads of the adjusting bolt, the clamping ring is driven to move in the connecting base by rotating the adjusting bolt, and therefore the gradually-shrinking part is fixed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bearing dust cover technical field, more specifically is a kind of clutch separation bearing dust cover. BACKGROUND

[0002] Clutch release bearing is an important part on automobile, is installed between clutch and transmission.To prevent dust and sundries from invading to cause abnormal sound, jam and accelerated wear, dust cover needs to be installed in clutch release bearing.

[0003] The dust cover for automobile release bearing in prior art has the problems of not firm installation, and dust and sundries are easy to invade the both ends of the opening of the dust cover in dynamic working condition. UTILITY MODEL CONTENTS

[0004] The utility model discloses a clutch release bearing dust cover, which solves the problems of not firm installation of the dust cover for automobile release bearing in prior art and dust and sundries invading the both ends of the opening of the dust cover in dynamic working condition.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a clutch release bearing dust cover, comprising: a base, the side surface of the base is provided with a fixed part, and the side surface of the fixed part is provided with an extension part, the extension part is composed of a plurality of groups of rubber rings in the shape of a round cake, the side surface of the extension part is provided with a tapered part, and the surface of the tapered part is provided with a snap ring, the base, the fixed plate, the extension part and the tapered part are integrally formed, the inside of the base, the fixed plate, the extension part and the tapered part is provided with a connecting cavity, the inside of the opening of the base is provided with a sealing ring, and the sealing ring is provided in the shape of a taper, the inside of the base is provided with a plurality of groups of fixed holes, the side surface of the snap ring is provided with a connecting seat, and the snap ring is inserted into the inside of the connecting seat, one end of the snap ring is fixedly connected with the connecting seat, and the other end is slidably connected with the connecting seat.

[0006] As a preferred embodiment of the utility model, the extension part is provided with a fixedly connected buffer part.

[0007] As a preferred embodiment of the utility model, the head end of the sealing ring is provided with a limiting ring, and the inside of the fixed part is provided with a limiting groove corresponding to each other.

[0008] As a preferred embodiment of the utility model, the inside of the connecting seat is provided with an adjusting bolt, and the inside of the snap ring is provided with a plurality of groups of adjusting holes, the adjusting holes and the threads of the adjusting bolt are matched with each other.

[0009] As a preferred embodiment of the utility model, the top of the adjusting bolt is provided with an adjusting knob with a cross-shaped inner hole.

[0010] Compared with the prior art, the utility model have the advantages that:

[0011] The utility model discloses a fixed part is established to the side of base and the side of fixed part establishes telescopic part, and telescopic part is composed of several groups of rubber ring of pie structure, and the side of telescopic part establishes tapering portion and the surface of tapering portion sets up snap ring, and the integral forming between base, fixed plate, telescopic part and tapering portion, and the inside of base, fixed plate, telescopic part and tapering portion sets up connecting cavity, and the inboard of the opening of base sets up sealing washer and sealing washer is tapering structure setting, and the inside of base sets up several groups of fixed hole, and base, fixed plate, telescopic part and tapering portion are connected in bearing surface, and the fixed hole is passed to with bolt, and base is fixed with bearing, and tapering portion is pasted with axle rod simultaneously, guarantees the sealing of both ends opening, and the side of snap ring sets up connecting seat and snap ring is inserted in the inside of connecting seat, and the fixed connection between one end of snap ring and connecting seat and the sliding connection between another end and connecting seat, and the inside of connecting seat sets up adjusting bolt and the inside of snap ring sets up several groups of adjusting hole, and the matching between adjusting hole and the thread of adjusting bolt, and the movement of snap ring in connecting seat is driven through the rotation adjusting bolt, thereby fixed tapering portion. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is whole structure schematic diagram of the utility model;

[0013] Figure 2 It is side view structure schematic diagram of the utility model;

[0014] Figure 3 It is cross section structure schematic diagram of the utility model;

[0015] Figure 4 It is snap ring side view structure schematic diagram of the utility model.

[0016] In the drawing: 1, base;2, fixed part;3, telescopic part;4, tapering portion;5, snap ring;6, connecting seat;7, fixed hole;8, buffer portion;9, sealing washer;10, limit ring;11, limit slot;12, connecting cavity;13, adjusting hole;14, adjusting bolt. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0018] Please refer to Figures 1-4The utility model provides a technical scheme: a dust cover is provided with a fixed part 2 on the side of the base 1, and the side of the fixed part 2 is provided with an elastic part 3, the elastic part 3 is composed of a plurality of groups of rubber rings in the shape of a round cake, the side of the elastic part 3 is provided with a tapered part 4, and the surface of the tapered part 4 is provided with a snap ring 5, the base 1, the fixed plate, the elastic part 3 and the tapered part 4 are integrally formed, a connecting cavity 12 is arranged in the base 1, the fixed plate, the elastic part 3 and the tapered part 4, a sealing ring 9 is arranged on the inner side of the opening of the base 1 and is arranged in the shape of a taper, a plurality of groups of fixing holes 7 are arranged in the base 1, the side of the snap ring 5 is provided with a connecting seat 6, and the snap ring 5 is inserted into the connecting seat 6, one end of the snap ring 5 is fixedly connected with the connecting seat 6, and the other end is slidably connected with the connecting seat 6, the base 1, the fixed plate, the elastic part 3 and the tapered part 4 are integrally formed, the connecting cavity 12 is arranged in the base 1, the fixed plate, the elastic part 3 and the tapered part 4, the sealing ring 9 is arranged on the inner side of the opening of the base 1 and is arranged in the shape of a taper, a plurality of groups of fixing holes 7 are arranged in the base 1, the base 1, the fixed plate, the elastic part 3 and the tapered part 4 are sleeved on the surface of the bearing, the base 1 is fixed with the bearing through the fixing holes 7 penetrated by bolts, the tapered part 4 is in close contact with the shaft at the same time, the sealing of the two ends is ensured, the side of the snap ring 5 is provided with the connecting seat 6, and the snap ring 5 is inserted into the connecting seat 6, one end of the snap ring 5 is fixedly connected with the connecting seat 6, and the other end is slidably connected with the connecting seat 6, an adjusting bolt 14 is arranged in the connecting seat 6, and a plurality of groups of adjusting holes 13 are arranged in the snap ring 5, the adjusting holes 13 and the adjusting bolt 14 are matched with each other in screw threads, the snap ring 5 is moved in the connecting seat 6 by rotating the adjusting bolt 14, and the tapered part 4 is fixed.

[0019] Further improved, as shown in Figure 2 The elastic part 8 is fixedly connected between the elastic parts, which can improve the flexibility and durability of the dust cover, especially when dealing with vibration and impact, can effectively reduce the risk of damage to the dust cover due to external force, thereby prolonging the service life.

[0020] Further improved, as shown in Figure 3 The head end of the sealing ring 9 is provided with a limiting ring 10, and the inner side of the fixed part 2 is provided with a limiting groove 11 corresponding to each other, and the limiting ring 10 and the limiting groove 11 are matched and used, which can ensure that the sealing ring 9 maintains the correct position and shape after installation, prevents displacement or deformation during work, and enhances the sealing performance of the dust cover.

[0021] Further improved, as shown in Figure 4 The inside of the connecting seat 6 is provided with adjusting bolts 14, and the inside of the clasp ring 5 is provided with a plurality of sets of adjusting holes 13, which are matched with the threads of the adjusting bolts 14, the position of the clasp ring 5 in the connecting seat 6 is adjusted by rotating the adjusting bolts 14, so that the tapered portion 4 is accurately fixed.

[0022] Further improved, as shown in Figure 4 The top of the adjusting bolt 14 is provided with a cross-shaped inner hole adjusting knob 15, which facilitates the rotation of the adjusting bolt 14.

[0023] Working principle: the utility model discloses a fixed part 2 is arranged on the side of base 1 and the side of fixed part 2 is provided with telescopic part 3, and telescopic part 3 is composed of a plurality of groups of rubber rings of pie structure, and the side of telescopic part 3 is provided with tapered portion 4 and the surface of tapered portion 4 is provided with clasp ring 5, and base 1, fixed plate, telescopic part 3 and tapered portion 4 are integrally formed, and connecting cavity 12 is arranged in the inside of base 1, fixed plate, telescopic part 3 and tapered portion 4, and sealing ring 9 is arranged in the inside of the opening of base 1 and is arranged in tapered structure, and a plurality of groups of fixed holes 7 are arranged in the inside of base 1, and base 1, fixed plate, telescopic part 3 and tapered portion 4 are sleeved on the bearing surface, and base 1 is fixed with bearing through bolt penetrating fixed hole 7, and tapered portion 4 is adhered with shaft rod at the same time, guaranteeing the sealing of both ends opening, and connecting seat 6 is arranged on the side of clasp ring 5 and is inserted in the inside of connecting seat 6, and one end of clasp ring 5 is fixedly connected with connecting seat 6 and the other end is slidably connected with connecting seat 6, and adjusting bolt 14 is arranged in the inside of connecting seat 6 and a plurality of sets of adjusting holes 13 are arranged in the inside of clasp ring 5, and adjusting hole 13 and the thread of adjusting bolt 14 are matched with each other, and clasp ring 5 moves in connecting seat 6 by rotating adjusting bolt 14, so that tapered portion 4 is fixed.

[0024] The above shows and describes the basic principles and main features of the present application and the advantages of the present application, for those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0025] Finally, it should be noted that: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connected", "connection" should be broadly understood, which can be mechanical connection or electrical connection, or the internal communication of two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change.

[0026] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A dust shield for a clutch release bearing, characterized by: The utility model relates to a base (1), the side of base (1) is provided with fixed part (2) and the side of fixed part (2) is provided with telescopic part (3), telescopic part (3) is composed of several groups of round pie structure rubber ring, the side of telescopic part (3) is provided with tapering part (4) and the surface of tapering part (4) is provided with snap ring (5), base (1), fixed plate, telescopic part (3) and tapering part (4) are integrally formed, the inside of base (1), fixed plate, telescopic part (3) and tapering part (4) are provided with connecting cavity (12), the inside of the opening of base (1) is provided with sealing ring (9) and sealing ring (9) is provided with tapering structure, the inside of base (1) is provided with several groups of fixed hole (7), the side of snap ring (5) is provided with connecting seat (6) and snap ring (5) is inserted and connected in the inside of connecting seat (6), and one end between snap ring (5) and connecting seat (6) is fixedly connected and the other end between snap ring (5) and connecting seat (6) is slidingly connected. The telescopic part is provided with the fixedly connected buffer part (8) between the telescopic part.

2. A dust shield for a clutch release bearing as set forth in claim 1, further comprising: The head of sealing ring (9) is provided with limiting ring (10) and the inside of fixed part (2) is provided with corresponding limiting groove (11).

3. A dust shield for a clutch release bearing as set forth in claim 1, further comprising: The inside of connecting seat (6) is provided with adjusting bolt (14) and the inside of snap ring (5) is provided with several groups of adjusting hole (13), and the adjusting hole (13) and the thread of adjusting bolt (14) are matched with each other.

4. A dust shield for a clutch release bearing as set forth in claim 1, further comprising: The top of adjusting bolt (14) is provided with the adjusting knob (15) of cross inner hole.

5. A dirt shield for a clutch release bearing as set forth in claim 4, wherein: ​