CN211398331U - Novel universal elastic coupling - Google Patents

Abstract

The utility model discloses a novel universal elastic coupling belongs to the shaft coupling field, include: the elastic coupling comprises an elastic coupling body, a first component and a second component, wherein the first component is fixed with an inner ring of the elastic coupling body, the second component is fixed with an outer ring of the elastic coupling body, and a plurality of grooves are formed between the outer ring and the inner ring of the elastic coupling body. The novel universal elastic coupling provided by the utility model has smaller axial size, which is beneficial to the integration and miniaturization of a transmission system; and the structure is simple, and the production process is easy to realize and is beneficial to the mass production of products.

Description

Novel universal elastic coupling

Technical Field

The utility model discloses a novel universal elastic coupling belongs to the shaft coupling field.

Background

The elastic coupling is a device widely applied to the field of mechanical transmission, and the coupling has various types of structures according to different application positions and different use purposes. The most widely used of these are the parallel line coupling and the bellows coupling. The device can compensate radial, angular and axial deviation between a driving part and a driven part. The transmission mechanism is suitable for occasions requiring stable and precise transmission. But the axial dimension is large, so that the device is difficult to be applied to occasions with small space, and in addition, the structure is complex, the batch production is difficult, and the price is relatively high. Therefore, an elastic coupling which is compact in size, simple in structure and convenient for mass production needs to be developed.

Disclosure of Invention

The utility model aims at solving the problem that the axial dimension of the existing shaft coupling is large, the existing shaft coupling is difficult to be applied to occasions with small space, the structure is complex, the mass production is difficult, the price is relatively high, and the novel elastic shaft coupling with compact size, simple structure and convenient mass production is provided.

The technical scheme of the utility model is that:

a novel universally resilient coupling, comprising: the elastic coupling comprises an elastic coupling body, a first component and a second component, wherein the first component is fixed with an inner ring of the elastic coupling body, the second component is fixed with an outer ring of the elastic coupling body, and a plurality of grooves are formed between the outer ring and the inner ring of the elastic coupling body.

Preferably, the plurality of grooves are distributed in a ring shape in multiple layers, and the different layers of the plurality of grooves are symmetrically distributed in a staggered manner.

Preferably, the first and second parts are arranged on either side of the resilient coupling.

Preferably, the first and second parts are arranged on one side of the resilient coupling, the first part being arranged inside the second part

Preferably, the first part and the inner ring of the elastic coupling are fixed together by 3-6 evenly distributed bolts.

Preferably, the second part is fixed with the outer ring of the elastic coupling by 3-6 evenly distributed bolts.

Preferably, the plurality of grooves are distributed in 2 to 4 layers.

The utility model discloses following positive effect has:

1. the novel universal elastic coupling can elastically connect the driving part and the driven part, so that the driving part and the driven part can perform small relative motion in the axial direction and any angular direction. In mechanical transmission, torque fluctuation can be reduced, vibration and impact in a mechanical transmission system are weakened, motion interference caused by inevitable axial and angular deviations of a driving part and a driven part is eliminated, and precision, stability and reliability of mechanical transmission are guaranteed.

2. The novel universal elastic coupling is small in axial size, can be suitable for occasions with small arrangement space, and is favorable for integration and miniaturization of a mechanical system.

3. The novel universal elastic coupling is ingenious in conception, simple in structure, simple in production process and convenient for batch production of products.

Drawings

Fig. 1 is a front view of an embodiment 1 of the present invention.

Fig. 2 is a side view of the structure 1 according to the present invention.

Fig. 3 is a front view of the structure 2 of the present invention.

Fig. 4 is a side view of the structure 2 according to the present invention.

Fig. 5 is a schematic view of the use of the present invention 1.

Fig. 6 is a schematic use diagram 2 of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the present embodiment provides a novel universal elastic coupling based on the prior art, which includes: elastic coupling 1, first part 2 and second part 3, elastic coupling 1 includes: the first component mechanical connection interface 1-3 is 3-6 evenly distributed flange holes, in this embodiment, 6 evenly distributed flange holes; a plurality of grooves 1-2 distributed according to a certain rule, wherein the grooves 1-2 are 2-4 layers, in this embodiment, two layers of annular grooves are symmetrically arranged; the second part mechanical connection interface 1-1, the first part mechanical connection interface 1-3 is 3-6 evenly distributed flange holes, in this embodiment 6 evenly distributed flange holes. The first component mechanical connection interface 1-3 is used to connect the first component 2 with the elastic coupling 1 (in this embodiment, a threaded connection). The first component 2 refers to a component (such as a flange, a shaft, a spline and other parts, or a component with a certain structural assembly) having a certain motion law with the second component 3. The grooves 1-2 distributed according to a certain rule have the function of elastically connecting the first component 2 with the second component 3, so that the first component 2 and the second component 3 can perform small relative movement in the axial direction and any angular direction. The plurality of grooves distributed according to a certain rule are preferably in the form of a plurality of annular grooves, the annular grooves are uniformly distributed on the same layer, and the annular grooves among different layers are symmetrically distributed in a staggered manner. According to the required allowable rotating moment, the angular error compensation quantity and the axial error compensation quantity, the number of the annular grooves in each layer, the number of layers and the distance between the layers can be changed to meet the use requirement. The larger the arc length of the annular groove is, the smaller the number of each layer is, the more the layers are, the smaller the distance between the layers is, the smaller the thickness of the coupler is, the more the annular groove is easy to generate torsional deformation during motion transmission, and the smaller the axial deformation rigidity and the angular deflection rigidity of the universal elastic coupler are, the smaller the torsional rigidity of the coupler is. The smaller the arc length of the annular grooves is, the more the number of the annular grooves uniformly distributed on each layer is, the fewer the layers are, the larger the distance between the layers is, the larger the thickness of the coupler is, and the larger the axial deformation rigidity and the angular deflection rigidity of the universal elastic coupler are and the larger the torsional rigidity of the coupler is in motion transmission. The second component mechanical connection interface 1-1 is used to connect the second component 3 with the elastic coupling 1 (in this embodiment, a threaded connection). The second component 3 refers to a component (such as a flange, a shaft, a spline and other parts, or a component with a certain structural assembly) having a certain motion law with the first component 2. Fig. 3 and 4 show another embodiment of the novel universal elastic coupling disclosed by the invention. It should be clear that the mechanical shape, mechanical connection interface, shape, number, layout of the grooves and the improvements made in the application fields of the novel universal elastic coupling disclosed in the present invention are easily implemented by those skilled in the art and thus the above improvements still belong to the protection scope of the present invention.

The invention will be described in more detail with reference to fig. 5, in which the first part 2 and the second part 3 are arranged on both sides of the resilient coupling 1. The first part 2 is connected to the elastic coupling 1 via a first part mechanical connection interface 1-3 (in this embodiment a threaded connection). The second part 3 is connected to the elastic coupling 1 via a second part mechanical connection interface 1-1 (in this embodiment a threaded connection). When the first part 2 performs a rotational movement, the second part 3 will follow the first part 2 in a synchronous rotational movement under the influence of the elastic coupling 1. In the installation, there is the axial positioning deviation between inevitable first part 2 and the second part 3, supposes not to consider the utility model discloses a novel universal elastic coupling, first part 2 links firmly together through mechanical connection interface with second part 3, will produce the axial force between first part 2 and second part 3, makes the motion between first part 2 and the second part 3 receive the interference. In this embodiment, two layers of annular grooves are symmetrically and alternately arranged between the first component mechanical connection interface 1-3 and the second component mechanical connection interface 1-1, and the first component mechanical connection interface 1-3 and the second component mechanical connection interface 1-1 can perform a small relative axial movement, so as to compensate an axial positioning deviation existing between the first component 2 and the second component 3, so that the relative movement between the first component 2 and the second component 3 is not affected. In the installation, there is angular positioning deviation inevitable between first part 2 and the second part 3, supposes not to consider the utility model discloses a novel universal elastic coupling, first part 2 links firmly together through mechanical connection interface with second part 3, will produce the beat moment between first part 2 and second part 3, makes the motion between first part 2 and the second part 3 receive the interference. In this embodiment, two layers of annular grooves are symmetrically and alternately arranged between the first component mechanical connection interface 1-3 and the second component mechanical connection interface 1-1, and the first component mechanical connection interface 1-3 and the second component mechanical connection interface 1-1 can perform small relative arbitrary angular motion, so as to compensate for arbitrary angular positioning deviation existing between the first component 2 and the second component 3, so that the relative motion between the first component 2 and the second component 3 is not affected. As can be clearly seen by combining fig. 5, the novel universal elastic coupling disclosed by the embodiment has a small axial size, and is beneficial to integration and miniaturization of a transmission system; and the structure is simple, and the production process is easy to realize and is beneficial to the mass production of products.

The invention will be described in more detail with reference to fig. 6, in which the first part 2 and the second part 3 are arranged on the same side of the resilient coupling 1. The first part 2 is connected to the elastic coupling 1 via a first part mechanical connection interface 1-3 (in this embodiment a threaded connection). The second part 3 is connected to the elastic coupling 1 via a second part mechanical connection interface 1-1 (in this embodiment a threaded connection). When the first part 2 performs a rotational movement, the second part 3 will follow the first part 2 in a synchronous rotational movement under the influence of the elastic coupling 1. In the installation, there is the axial positioning deviation between inevitable first part 2 and the second part 3, supposes not to consider the utility model discloses a novel universal elastic coupling, first part 2 links firmly together through mechanical connection interface with second part 3, will produce the axial force between first part 2 and second part 3, makes the motion between first part 2 and the second part 3 receive the interference. In this embodiment, two layers of annular grooves are symmetrically and alternately arranged between the first component mechanical connection interface 1-3 and the second component mechanical connection interface 1-1, and the first component mechanical connection interface 1-3 and the second component mechanical connection interface 1-1 can perform a small relative axial movement, so as to compensate an axial positioning deviation existing between the first component 2 and the second component 3, so that the relative movement between the first component 2 and the second component 3 is not affected. In the installation, there is arbitrary angular orientation deviation between inevitable first part 2 and the second part 3, supposes not to consider the utility model discloses a novel universal elastic coupling, first part 2 links firmly together through the mechanical connection interface with second part 3, will produce the beat moment between first part 2 and second part 3, makes the motion between first part 2 and the second part 3 receive the interference. In this embodiment, two layers of annular grooves are symmetrically and alternately arranged between the first component mechanical connection interface 1-3 and the second component mechanical connection interface 1-1, and the first component mechanical connection interface 1-3 and the second component mechanical connection interface 1-1 can perform small relative arbitrary angular motion, so as to compensate for arbitrary angular positioning deviation existing between the first component 2 and the second component 3, so that the relative motion between the first component 2 and the second component 3 is not affected. As can be clearly seen by combining the attached figure 6, the novel universal elastic coupling disclosed by the embodiment has smaller axial size, and is beneficial to the integration and miniaturization of a transmission system; and the structure is simple, and the production process is easy to realize and is beneficial to the mass production of products.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.

Claims (7)

1. A novel universal resilient coupling, characterized in that it includes: the elastic coupling comprises an elastic coupling body, a first component and a second component, wherein the first component is fixed with an inner ring of the elastic coupling body, the second component is fixed with an outer ring of the elastic coupling body, and a plurality of grooves are formed between the outer ring and the inner ring of the elastic coupling body.

2. The novel universal resilient coupling according to claim 1, wherein said plurality of grooves are annularly arranged in a plurality of layers, and wherein said plurality of grooves are symmetrically arranged in a staggered manner between different layers.

3. A novel universally elastic coupling according to claim 1 or 2, characterized in that the first part and the second part are arranged on both sides of the elastic coupling.

4. A novel universally resilient coupling according to claim 1 or 2, characterized in that the first part and the second part are arranged on one side of the resilient coupling, the first part being arranged inside the second part.

5. A novel universally resilient coupling according to claim 4, characterized in that the first part is fixed to the inner race of the resilient coupling by 3-6 evenly distributed bolts.

6. A novel universally resilient coupling according to claim 5, characterized in that the second part is secured to the outer race of the resilient coupling by 3-6 evenly distributed bolts.

7. A new type of universally elastic coupling according to any of claims 5-6, characterized in that said grooves are distributed in 2-4 layers.

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