Double-layer coupler rubber ring

Abstract

The utility model discloses a double-layer coupler rubber ring which comprises an inner supporting ring, the outer wall of the inner supporting ring is connected with an inner rubber ring through a connecting mechanism, the outer wall of the inner rubber ring is provided with an outer rubber ring, the outer wall of the outer rubber ring is symmetrically sleeved with outer pressing rings, and the outer pressing rings are connected through a positioning mechanism. The connecting mechanism comprises a connecting groove and a connecting block, the connecting groove is annularly formed in the outer wall of the inner rubber ring in a digging mode, the connecting block is annularly arranged on the outer wall of the inner supporting ring, and the double-layer structural design improves the bearing capacity of the rubber ring to impact loads and bending deformation through cooperative work of the inner layer and the outer layer; compared with the prior art, generation and expansion of fatigue cracks are greatly reduced, the overall service life of the rubber ring is prolonged, meanwhile, due to the sectional combined design, later maintenance is more convenient, if a certain section is locally damaged, the corresponding outer pressing section and local rubber can be selectively replaced, and the downtime and maintenance cost of equipment are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to transmission coupling auxiliary equipment technical field, specifically, relate to a double -layer coupling rubber ring. BACKGROUND

[0002] Coupling as the important part of connecting driving shaft and driven shaft in mechanical transmission system, and realizing torque transmission and motion synchronization, is widely used in fan, water pump, compressor, speed reducer, automobile transmission system and other industrial equipment, and elastic coupling especially rubber coupling obtains the wide application. Rubber coupling usually utilizes the high elasticity and damping performance of rubber elastomer, realizes damping, buffering, eccentric and axial displacement compensation etc. in transmission system, thereby reduces the running noise, improves the service life of whole transmission system.

[0003] Under the environment of long time high load, high speed operation or large temperature difference, the conventional single layer rubber ring is prone to rubber aging, deformation, fatigue fracture etc. and the whole performance of coupling is reduced, even transmission failure occurs.

[0004] In view of this, a double -layer coupling rubber ring is provided to overcome the above defects. UTILITY MODEL CONTENT

[0005] In view of the problems in the related art, the utility model provides a double -layer coupling rubber ring to overcome the above technical problems existing in the prior art.

[0006] Therefore, the utility model adopts the specific technical scheme as follows:

[0007] A double -layer coupling rubber ring, comprising an inner support ring, the outer wall of the inner support ring is connected with an inner rubber ring through a connecting mechanism, the outer wall of the inner rubber ring is provided with an outer rubber ring, the outer wall of the outer rubber ring is symmetrically provided with an outer compression ring, and the outer compression rings are connected through a positioning mechanism.

[0008] Preferably, the connecting mechanism comprises a connecting groove and a connecting block, the connecting groove is annularly dug in the outer wall of the inner rubber ring, and the connecting block is annularly arranged on the outer wall of the inner support ring.

[0009] Preferably, the inner wall size of the connecting groove is matched with the size of the connecting block, and the connecting groove is connected in a clamping mode.

[0010] Preferably, the inner diameter of the inner rubber ring is matched with the outer diameter size of the inner support ring, the inner diameter of the outer rubber ring is matched with the outer diameter structure of the inner rubber ring, and the outer diameter of the outer rubber ring is matched with the inner side of the outer compression ring.

[0011] As preferred, the positioning mechanism comprises a positioning slot, a positioning plate, a threaded hole and a positioning bolt, the positioning slot is symmetrically dug on both sides of the outer compression ring, the positioning plate is arranged in the positioning slot, the positioning plate and one side of the inner cavity of the positioning slot are both dug with a threaded hole, and the threaded hole is threadedly connected with the positioning bolt.

[0012] As preferred, the positioning plate and the positioning slot matched with the positioning plate are matched with the structure of the sum of the sizes.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] Compared with the prior art, the double-layer coupling rubber ring is combined with multiple structures such as the connecting mechanism and the positioning mechanism, the double-layer structure design works cooperatively through the inner and outer layers, the bearing capacity of the rubber ring for impact load and bending deformation is improved, the generation and expansion of fatigue cracks are greatly reduced, the overall service life of the rubber ring is prolonged, and at the same time, the segmented combination design makes the later maintenance more convenient, if local damage occurs in a segment, the corresponding outer compression segment and local rubber can be selectively replaced, and the equipment downtime and maintenance cost are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0016] Figure 1 It is a front view structural schematic diagram of a double-layer coupling rubber ring according to an embodiment of the utility model;

[0017] Figure 2 It is a split structure schematic diagram of a double-layer coupling rubber ring according to an embodiment of the utility model;

[0018] Figure 3 It is a split structure schematic diagram of an outer compression ring of a double-layer coupling rubber ring according to an embodiment of the utility model;

[0019] Figure 4 It is an enlarged schematic diagram of the structure at A of a double-layer coupling rubber ring according to an embodiment of the utility model;

[0020] Figure 5 It is an enlarged schematic diagram of the structure at B of a double-layer coupling rubber ring according to an embodiment of the utility model.

[0021] In the drawings:

[0022] 1, inner support ring; 2, connecting mechanism; 3, inner rubber ring; 4, outer rubber ring; 5, outer compression ring; 6, positioning mechanism; 7, connecting groove; 8, connecting block; 9, positioning groove; 10, positioning plate; 11, threaded hole; 12, positioning bolt. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme in the embodiment will be clearly and completely described below in combination with the drawings in the utility model. The following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.

[0024] In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. The device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0025] In the description of the utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] EMBODIMENT

[0027] As shown in Figures 1-5 A double-layer coupling rubber ring according to an embodiment of the utility model, comprising an inner support ring 1, the outer wall of the inner support ring 1 is connected with an inner rubber ring 3 through a connecting mechanism 2, the outer wall of the inner rubber ring 3 is provided with an outer rubber ring 4, the outer wall of the outer rubber ring 4 is symmetrically provided with an outer compression ring 5, the outer compression ring 5 is connected through a positioning mechanism 6, the inner diameter of the inner rubber ring 3 needs to match the outer diameter size of the inner support ring 1, the inner diameter of the outer rubber ring 4 matches the outer diameter structure of the inner rubber ring 3, and the outer diameter of the outer rubber ring 4 needs to match the inner side of the outer compression ring 5.

[0028] The inner rubber ring 3 is usually made of high-hardness or medium-hardness rubber with good fatigue resistance, such as nitrile rubber, chlorobutyl rubber or thermoplastic elastomer (TPU), which can ensure sufficient support strength and also has certain elasticity.

[0029] The outer rubber ring 4 mainly bears the shock absorption and buffering functions, and can be made of rubber with better elasticity and higher damping, such as natural rubber, ethylene-propylene-diene rubber or silicone rubber, and the specific material needs to be matched according to the environmental temperature, medium corrosiveness and working load.

[0030] The inner support ring 1 can be made of metal materials such as carbon steel, stainless steel or aluminum alloy, and the corresponding strength grade is selected according to the transmission torque and working environment.

[0031] The outer compression ring 5 can be made of metal materials or high-strength composite materials, and the selection is made according to the requirements for weight and rust prevention performance, and for occasions requiring significant weight reduction, aluminum alloy or carbon fiber reinforced composite materials can be used.

[0032] The connection mechanism 2 includes a connection groove 7 and a connection block 8, the connection groove 7 is annularly excavated on the outer wall of the inner rubber ring 3, the connection block 8 is annularly arranged on the outer wall of the inner support ring 1, the inner wall size of the connection groove 7 matches the size of the connection block 8, and the connection groove 7 is connected in a clamping manner.

[0033] The positioning mechanism 6 includes a positioning groove 9, a positioning plate 10, a threaded hole 11 and a positioning bolt 12, the positioning groove 9 is symmetrically excavated on both sides of the outer compression ring 5, the positioning plate 10 is arranged in the positioning groove 9, the positioning plate 10 and one side of the inner cavity of the positioning groove 9 are both excavated with the threaded hole 11, the positioning bolt 12 is threadedly connected in the threaded hole 11, and the positioning plate 10 and the positioning groove 9 that is attached to the positioning plate 10 are matched in structure.

[0034] In summary, by means of the above technical scheme of the utility model, when the device is used, first, the connection block 8 is clamped into the connection groove 7, so that the inner rubber ring 3 is sleeved on the outer wall of the inner support ring 1, then the outer diameter of the inner rubber ring 3 is arranged at the inner diameter of the outer rubber ring 4, and the connection is made in a bonding manner, finally, the outer compression ring 5 is segmented and spliced on the outer side of the outer rubber ring 4, the connection grooves 7 thereon are spliced, the positioning plate 10 is placed in the spliced connection groove 7, and the plurality of threaded holes 11 are butted, and finally the positioning bolt 12 is threadedly connected into the threaded hole 11.

[0035] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A double-layer coupling rubber ring, characterized by, Including inner support ring (1), the outer wall of inner support ring (1) is connected with inner rubber ring (3) through link mechanism (2), the outer wall of inner rubber ring (3) is provided with outer rubber ring (4), the outer wall of outer rubber ring (4) is symmetrically provided with outer compression ring (5), and the outer compression ring (5) is connected through positioning mechanism (6).

2. The rubber ring of a double-layer coupling according to claim 1, characterized in that, The link mechanism (2) includes link groove (7) and link block (8), the link groove (7) is annularly dug in the outer wall of inner rubber ring (3), and the link block (8) is annularly arranged on the outer wall of inner support ring (1).

3. The rubber ring of a double-layer coupling according to claim 2, characterized in that, The inner wall size of link groove (7) is matched with the size of link block (8), and is clamped and connected.

4. The rubber ring of a double-layer coupling according to claim 3, characterized in that, The inner diameter of inner rubber ring (3) needs to be matched with the outer diameter size of inner support ring (1), the inner diameter of outer rubber ring (4) is matched with the outer diameter structure of inner rubber ring (3), and the outer diameter of outer rubber ring (4) needs to be matched with the inner side of outer compression ring (5).

5. A double-layered coupling rubber ring according to claim 4, wherein The positioning mechanism (6) includes positioning groove (9), positioning plate (10), threaded hole (11) and positioning bolt (12), the positioning groove (9) is symmetrically dug on both sides of outer compression ring (5), the positioning plate (10) is arranged in the positioning groove (9), the positioning plate (10) and the inner cavity of positioning groove (9) are symmetrically dug with threaded hole (11) on one side, and the threaded hole (11) is connected with positioning bolt (12) through screw thread.

6. A double-layered coupling rubber ring according to claim 5, wherein The size of the positioning plate (10) and the size of the positioning groove (9) matched with each other are matched.

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