Insulation coupling

Abstract

The utility model relates to the technical field of couplings, and discloses an insulating coupler, which comprises a first coupling part, a second coupling part and a third coupling part, the first coupling part comprises a first shaft sleeve and a first connecting part, one end of the first connecting part is fixedly connected with the first shaft sleeve, the other end of the first connecting part is provided with a first end face, and a first groove is formed in the first end face; the first connecting disc comprises a first disc body arranged in the first groove, and a plug connector is arranged on the outer end face of the first disc body; the second coupling part comprises a second shaft sleeve and a second connecting part, one end of the second connecting part is fixedly connected with the second shaft sleeve, the other end of the second connecting part is provided with a second end face, and a second groove is formed in the second end face; the second connecting disc comprises a second disc body arranged in the second groove, and an inserting hole is formed in the second disc body; the first coupling part and the second coupling part are both made of insulating materials, and the first connecting disc and the second connecting disc are both made of metal materials. The connecting part of the insulating coupling is not easy to abrade or deform, so that the stability is improved and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of couplings, in particular to an insulating coupling. Background Art

[0002] A coupling is a mechanical transmission element used to connect the driving shaft and the driven shaft so that the driving shaft and the driven shaft rotate synchronously. The structure of the coupling mainly includes two coupling parts, which are fixed to the driving shaft and the driven shaft respectively, and the two coupling parts are connected to each other through a connecting structure, such as a plug-in structure, to achieve synchronous rotation. In some equipment, the coupling is required to have insulation performance to prevent electrical interference between the driving shaft and the driven shaft. Existing insulating couplings generally use insulating materials such as rubber and nylon. These insulating materials generally have poor wear resistance and rigidity and are prone to aging in outdoor environments. In particular, the connection structure between the two coupling parts is prone to friction and wear during the long-term transmission of the coupling, especially when the driving shaft changes speed; in the case of large transmission force, the connection structure will deform due to inability to withstand the large transmission force; aging of the connection part will aggravate wear or deformation. Wear or deformation of the connection part will reduce the stability and service life of the insulating coupling. Utility Model Content

[0003] The purpose of the utility model is to overcome the problem of wear or deformation of the connecting parts of the insulating coupling in the prior art, and to provide an insulating coupling, the connecting parts of which are not easily worn or deformed, and can effectively improve the stability and service life of the insulating coupling.

[0004] In order to achieve the above object, the utility model provides an insulating coupling, comprising:

[0005] A first coupling portion, the first coupling portion comprising a first sleeve and a first connecting portion, one end of the first connecting portion being fixedly connected to the first sleeve, the other end of the first connecting portion having a first end surface, and a first groove being formed in the first end surface;

[0006] A first connection disk, the first connection disk comprising a first disk body and a plug-in connector, the first disk body is disposed in the first groove, and the plug-in connector is protrudingly disposed on an outer end surface of the first disk body;

[0007] A second coupling portion, the second coupling portion comprising a second sleeve and a second connecting portion, one end of the second connecting portion being fixedly connected to the second sleeve, the other end of the second connecting portion having a second end surface, and a second groove being formed in the second end surface; and

[0008] A second connection disk, the second connection disk comprises a second disk body, the second disk body is arranged in the second groove, and a plug hole for plugging with the plug connector is opened on the second disk body;

[0009] The first coupling part and the second coupling part are both made of insulating materials, and the first connecting plate and the second connecting plate are both made of metal.

[0010] Preferably, the first connecting plate also includes a first key arranged on the side wall of the first plate body, and a first key slot cooperating with the first key is opened on the side wall of the first groove; and / or, the second connecting plate also includes a second key arranged on the side wall of the second plate body, and a second key slot cooperating with the second key is opened on the side wall of the second groove.

[0011] Preferably, the first key and the first keyway are both provided in plurality; and / or the second key and the second keyway are both provided in plurality.

[0012] Preferably, the first groove is a circular groove, the diameter of which is equal to the outer diameter of the first disk body; and / or the second groove is a circular groove, the diameter of which is equal to the outer diameter of the second disk body.

[0013] Preferably, the plug-in connector is a column, and the length of the column does not exceed the length of the plug-in hole.

[0014] Preferably, the connector and the socket are both provided in plurality.

[0015] Preferably, the outer end surface of the first disk body is flush with the notch of the first groove; and / or the outer end surface of the second disk body is flush with the notch of the second groove.

[0016] Preferably, the central portion of the first disk body is hollowed out; and / or the central portion of the second disk body is hollowed out.

[0017] Preferably, the insulating material is nylon or rubber.

[0018] Preferably, the metal material is stainless steel.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The insulating coupling provided by the utility model has a first connecting plate and a second connecting plate as a connecting structure between the first coupling part and the second coupling part, which can realize the smooth and stable synchronous rotation of the first coupling part and the second coupling part. The first connecting plate and the second connecting plate made of metal material have excellent wear resistance and rigidity. During the operation of the insulating coupling, the first connecting plate and the second connecting plate as the connecting structure of the first coupling part and the second coupling part can withstand friction, dislocation and large transmission force, and are not prone to wear or deformation, thereby improving the stability and service life of the insulating coupling; at the same time, the first coupling part and the second coupling part made of insulating material ensure the insulation of the insulating coupling, and the first plate body and the second plate body are embedded in the first groove and the second groove, which can further avoid electrical interference caused by the exposure of metal material. In addition, the first connecting plate and the second connecting plate are connected through a plug-in and a socket, which is convenient for the disassembly and assembly of the insulating coupling. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is an exploded view of an insulating coupling in one embodiment;

[0022] The reference numerals are described as follows:

[0023] 1-first coupling part; 11-first sleeve; 12-first connecting part; 13-first groove; 14-first keyway; 2-first connecting disk; 21-first disk body; 22-connector; 23-first key; 3-second coupling part; 31-second sleeve; 32-second connecting part; 33-second groove; 34-second keyway; 4-second connecting disk; 41-second disk body; 42-jack; 43-second key. DETAILED DESCRIPTION

[0024] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "set", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the embodiments of the present invention, unless otherwise specified, directional words such as "up, down, top, bottom" are usually used to describe the relative position of components in the directions shown in the drawings or in the vertical, perpendicular or gravity directions. They are only used to facilitate simplified descriptions and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0027] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0028] Please refer to Figure 1 , this embodiment provides an insulating coupling, comprising:

[0029] A first coupling part 1, the first coupling part 1 comprises a first sleeve 11 and a first connecting part 12, one end of the first connecting part 12 is fixedly connected to the first sleeve 11, the other end of the first connecting part 12 has a first end surface, and a first groove 13 is formed in the first end surface;

[0030] A first connection plate 2, the first connection plate 2 comprises a first plate body 21 and a plug-in connector 22, the first plate body 21 is disposed in the first groove 13, and the plug-in connector 22 is protrudingly disposed on an outer end surface of the first plate body 21;

[0031] A second coupling portion 3, the second coupling portion 3 comprises a second sleeve 31 and a second connecting portion 32, one end of the second connecting portion 32 is fixedly connected to the second sleeve 31, the other end of the second connecting portion 32 has a second end surface, and a second groove 33 is formed in the second end surface; and

[0032] The second connection plate 4 includes a second plate body 41, which is disposed in the second groove 33 and has a plug hole 42 for plugging with the plug connector 22;

[0033] The first coupling part 1 and the second coupling part 3 are both made of insulating materials, and the first connecting plate 2 and the second connecting plate 4 are both made of metal.

[0034] The insulating coupling provided in this embodiment, the first connecting plate 2 and the second connecting plate 4 serve as the connection structure between the first coupling part 1 and the second coupling part 3, which can realize the smooth and stable synchronous rotation of the first coupling part 1 and the second coupling part 3. The first connecting plate 2 and the second connecting plate 4 made of metal have excellent wear resistance and rigidity. During the operation of the insulating coupling, the first connecting plate 2 and the second connecting plate 4, which serve as the connection structure between the first coupling part 1 and the second coupling part 3, can withstand friction, dislocation and large transmission force, and are not prone to wear or deformation, thereby improving the stability and service life of the insulating coupling; at the same time, the first coupling part 1 and the second coupling part 3 made of insulating material ensure the insulation of the insulating coupling, and the first disk body 21 and the second disk body 41 are embedded in the first groove 13 and the second groove 33, which can further avoid electrical interference caused by the exposure of metal materials. In addition, the first connecting plate 2 and the second connecting plate 4 are plugged in through the plug-in 22 and the socket 42, which facilitates the disassembly and assembly of the insulating coupling.

[0035] In this embodiment, the first connection disk 2 further includes a first key 23 disposed on the side wall of the first disk body 21, a first key slot 14 cooperating with the first key 23 is provided on the side wall of the first groove 13, and the first connection disk 2 and the first coupling part 1 are key-connected by the cooperation of the first key 23 and the first key slot 14, so that the first connection disk 2 and the first coupling part 1 rotate synchronously. And / or, the second connection disk 4 further includes a second key 43 disposed on the side wall of the second disk body 41, a second key slot 34 cooperating with the second key 43 is provided on the side wall of the second groove 33, and the second connection disk 4 and the second coupling part 3 are key-connected by the cooperation of the second key 43 and the second key slot 34, so that the second connection disk 4 and the second coupling part 3 rotate synchronously. The first key 23 and the second key 43 may be splines or flat keys. During the rotation of the insulating coupling, the key connection structure can prevent relative displacement between the first connection disk 2 and the first coupling part 1, and between the second connection disk 4 and the second coupling part 3, and the key connection structure is easy to disassemble, making the disassembly and assembly process of the insulating coupling more convenient. Further, the first key 23 and the first keyway 14 are both provided with a plurality; and / or, the second key 43 and the second keyway 34 are both provided with a plurality, so as to improve the stability and reliability of the connection between the first connection disk 2 and the first coupling part 1, and between the second connection disk 4 and the second coupling part 3.

[0036] In this embodiment, the outer end surface of the first disk body 21 does not extend beyond the first groove 13, and further, the outer end surface of the first disk body 21 is flush with the notch of the first groove 13. And / or, the outer end surface of the second disk body 41 does not extend beyond the second groove 33, and further, the outer end surface of the second disk body 41 is flush with the notch of the second groove 33. In this way, the first disk body 21 and the second disk body 41 can be placed in the first groove 13 and the second groove 33 as a whole, and the first coupling part 1 and the second coupling part 3 can wrap the first connection disk 2 and the second connection disk 4, preventing the first connection disk 2 and the second connection disk 4 made of metal from being exposed, thereby eliminating electrical interference.

[0037] In this embodiment, the first coupling part 1 and the second coupling part 3 are both made of insulating materials, such as nylon or rubber. The first connection plate 2 and the second connection plate 4 are both made of metal, such as pure metal or alloy. The metal material can be stainless steel, which has excellent wear resistance and rigidity, and can effectively prevent the first connection plate 2 and the second connection plate 4 from being worn or deformed.

[0038] In this embodiment, the central part of the first plate body 21 is hollowed out. And / or, the central part of the second plate body 41 is hollowed out. Since the first connection plate 2 and the second connection plate 4 are both made of metal, hollowing out the central part of the first plate body 21 and / or the second plate body 41 can effectively reduce the weight of the first connection plate 2 and / or the second connection plate 4.

[0039] In this embodiment, the first disk body 21 and the plug connector 22 are integrally formed so that the plug connector 22 is more firmly fixed to the first disk body 21 to prevent the plug connector 22 from breaking due to a large rotational force. The first disk body 21 and the plug connector 22 can also be fixed by welding.

[0040] In this embodiment, the first groove 13 is a circular groove, the diameter of which is equal to the outer diameter of the first disk body 21, so as to better limit the first connection disk 2 and prevent the first connection disk 2 from being displaced in the first groove 13 during the rotation of the insulating coupling. And / or, the second groove 33 is a circular groove, the diameter of which is equal to the outer diameter of the second disk body 41, so as to better limit the second connection disk 4 and prevent the second connection disk 4 from being displaced in the second groove 33 during the rotation of the insulating coupling.

[0041] In this embodiment, the connector 22 is a column, such as a cylinder, and the plug hole 42 is a cylindrical hole or a cylindrical groove matching the column, such as a cylindrical hole or a cylindrical groove, and the length of the column does not exceed the length of the plug hole 42, so that when the connector 22 is inserted into the plug hole 42, the first end face of the first connection plate 2 and the second end face of the second connection plate 4 can fit tightly, further improving the connection stability between the first connection plate 2 and the second connection plate 4. The plug hole 42 can be a through hole or a blind hole.

[0042] In this embodiment, multiple connectors 22 and multiple sockets 42 are provided. The cooperation between multiple connectors 22 and multiple sockets 42 can make the first connecting disk 2 and the second connecting disk 4 rotate synchronously more stably and reduce the wear between the connector 22 and the socket 42.

[0043] In this embodiment, the first sleeve 11 and the first connecting portion 12 are fixedly connected, and further, the first sleeve 11 and the first connecting portion 12 are integrally formed. And / or, the second sleeve 31 and the second connecting portion 32 are fixedly connected, and further, the second sleeve 31 and the second connecting portion 32 are integrally formed. The first connecting portion 12 and the second connecting portion 32 may be columns, such as cylinders. The first sleeve 11 is used to be sleeved on the first shaft body, and the second sleeve 31 is used to be sleeved on the second shaft body. The first shaft body is the driving shaft, and the second shaft body is the driven shaft; or the first shaft body is the driven shaft, and the second shaft body is the driving shaft. The side wall of the first sleeve 11 may be provided with a first threaded hole penetrating the side wall, and the first threaded hole is used to cooperate with a fastener to fix the first sleeve 11 and the first sleeve 11. And / or, the side wall of the second sleeve 31 may be provided with a second threaded hole penetrating the side wall, and the second threaded hole is used to cooperate with a fastener to fix the second sleeve 31 and the second sleeve 31. The fastener includes a bolt or a screw.

[0044] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, including the combination of various specific technical features in any suitable manner. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations. However, these simple modifications and combinations should also be regarded as the contents disclosed by the present invention and belong to the protection scope of the present invention.

Claims

1. An insulating coupling, characterized in that: include: A first coupling part (1), the first coupling part (1) comprising a first sleeve (11) and a first connecting part (12), one end of the first connecting part (12) being fixedly connected to the first sleeve (11), the other end of the first connecting part (12) having a first end surface, and a first groove (13) being formed in the first end surface; A first connection disk (2), the first connection disk (2) comprising a first disk body (21) and a plug-in connector (22), the first disk body (21) being arranged in the first groove (13), and the plug-in connector (22) being protrudingly arranged on an outer end surface of the first disk body (21); A second coupling portion (3), the second coupling portion (3) comprising a second sleeve (31) and a second connecting portion (32), one end of the second connecting portion (32) being fixedly connected to the second sleeve (31), the other end of the second connecting portion (32) having a second end surface, and a second groove (33) being formed in the second end surface; as well as A second connection disk (4), the second connection disk (4) comprising a second disk body (41), the second disk body (41) being arranged in the second groove (33), and the second disk body (41) being provided with a plug hole (42) plugged into the plug connector (22); The first coupling part (1) and the second coupling part (3) are both made of insulating materials, and the first connecting plate (2) and the second connecting plate (4) are both made of metal materials.

2. The insulating coupling according to claim 1, characterized in that: The first connection plate (2) further comprises a first key (23) arranged on the side wall of the first plate body (21), and a first key groove (14) cooperating with the first key (23) is provided on the side wall of the first groove (13); and / or the second connection plate (4) further comprises a second key (43) arranged on the side wall of the second plate body (41), and a second key groove (34) cooperating with the second key (43) is provided on the side wall of the second groove (33).

3. The insulating coupling according to claim 2, characterized in that: The first key (23) and the first key groove (14) are both provided in plurality; and / or the second key (43) and the second key groove (34) are both provided in plurality.

4. The insulating coupling according to claim 1, characterized in that: The first groove (13) is a circular groove, the diameter of which is equal to the outer diameter of the first disk body (21); and / or the second groove (33) is a circular groove, the diameter of which is equal to the outer diameter of the second disk body (41).

5. The insulating coupling according to claim 1, characterized in that: The plug connector (22) is a column, and the length of the column does not exceed the length of the plug hole (42).

6. The insulating coupling according to claim 1, characterized in that: The connector (22) and the socket (42) are both provided in plurality.

7. The insulating coupling according to claim 1, characterized in that: The outer end surface of the first disk body (21) is flush with the notch of the first groove (13); and / or the outer end surface of the second disk body (41) is flush with the notch of the second groove (33).

8. The insulating coupling according to claim 1, characterized in that: The central portion of the first plate (21) is hollowed out; and / or the central portion of the second plate (41) is hollowed out.

9. The insulating coupling according to claim 1, characterized in that: The insulating material is nylon or rubber.

10. The insulating coupling according to any one of claims 1 to 9, characterized in that: The metal material is stainless steel.

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