CN216975575U - Insulation coupling for electrical equipment - Google Patents
Insulation coupling for electrical equipment Download PDFInfo
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- CN216975575U CN216975575U CN202220652267.9U CN202220652267U CN216975575U CN 216975575 U CN216975575 U CN 216975575U CN 202220652267 U CN202220652267 U CN 202220652267U CN 216975575 U CN216975575 U CN 216975575U
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- connecting piece
- piece
- metal adapter
- shaft sleeve
- axle sleeve
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Abstract
The utility model discloses an insulating coupling used in electrical equipment, which comprises a connecting piece A, a connecting piece B and an intermediate connecting piece, wherein a connecting shaft sleeve part A and a connecting shaft sleeve part B are respectively and correspondingly arranged in the middle of one surface of the connecting piece A and the connecting piece B far away from the intermediate connecting piece, a connecting pin part A and a connecting pin part B are respectively and correspondingly arranged at two ends of one surface of the connecting piece A and the connecting piece B facing the intermediate connecting piece, a metal adapter A and a metal adapter B are respectively and correspondingly and axially arranged in the connecting shaft sleeve part A and the connecting shaft sleeve part B, four notches which are integrally arranged in a cross shape are symmetrically arranged on the intermediate connecting piece, the connecting pin part A and the connecting pin part B can be respectively clamped in the notches at corresponding positions and can be in interference fit with the notches, the central axes of the connecting shaft sleeve part A and the connecting shaft sleeve part B are coincident, and the parts of the connecting piece A and the connecting piece B except for the metal adapter A and the metal adapter B and the intermediate connecting piece are all insulating pieces And (3) material quality.
Description
Technical Field
The utility model relates to a coupler, in particular to an insulation coupler used in electrical equipment.
Background
The shaft coupling is a mechanism for firmly coupling a driving shaft and a driven shaft of different mechanisms to rotate together and transmitting motion and torque, and is widely used in various fields.
The existing couplers used in the market mostly comprise diaphragm couplers, plum couplings, corrugated pipe couplers, gear couplers and the like. The performance requirements for the coupling are different for different applications, for example: in electrical equipment, a coupling is required to have an insulating property in addition to satisfying requirements in terms of transmission torque and rotation speed. However, the existing coupler applied to the electrical equipment cannot realize the function of compensating the non-concentricity between the two connected shafts, or cannot easily realize larger electric insulation gap and creepage distance, and has the problems of poor electric insulation level, complex structure, high manufacturing cost, inconvenient installation and maintenance and the like, so that the existing coupler which can well meet the application requirements in the electrical equipment does not exist.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, an object of the present invention is to provide an insulated coupling for electrical equipment, which can compensate for the non-concentricity of two rotating shafts, and has excellent electrical insulation level, simple structure, low manufacturing cost, and convenient installation and maintenance.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an insulating coupling for electrical equipment comprises a connecting piece A, a connecting piece B and an intermediate connecting piece arranged between the connecting piece A and the connecting piece B, wherein the middle parts of one surfaces of the connecting piece A and the connecting piece B, which are far away from the intermediate connecting piece, are respectively and correspondingly provided with a connecting shaft sleeve part A and a connecting shaft sleeve part B, the two ends of one surfaces of the connecting piece A and the connecting piece B, which face the intermediate connecting piece, are respectively and correspondingly provided with a connecting pin part A and a connecting pin part B, the connecting shaft sleeve part A and the connecting shaft sleeve part B are respectively and axially provided with a metal adapter A and a metal adapter B, the intermediate connecting piece is symmetrically provided with four notches, the four notches are integrally arranged in a cross shape, the connecting pin part A and the connecting pin part B can be respectively clamped into the notches in corresponding positions and can be in interference fit with the notches, and the central axes of the connecting shaft sleeve part A and the connecting shaft sleeve part B coincide with each other, and the part of the connecting piece A except the metal adapter A and the part of the connecting piece B except the metal adapter B and the middle connecting sheet are all made of insulating materials.
In one embodiment, the notch is a U-shaped notch.
In one embodiment, the connecting pin part A and the connecting pin part B are both cylindrical pins with limiting end parts.
In one embodiment, two sides of the connecting shaft sleeve portion A and two sides of the connecting shaft sleeve portion B are respectively and correspondingly provided with a reinforcing rib A and a reinforcing rib B.
In a preferable scheme, a plurality of lightening holes are symmetrically formed in the middle connecting piece.
Compared with the prior art, the utility model has the beneficial technical effects that:
the insulating coupling provided by the utility model is used for connecting two rotating shafts in the same direction, can compensate the non-concentricity of the rotating shafts on two sides, has excellent electric insulation level, has simple structure and low manufacturing cost, is easy to assemble and overhaul, can well meet the application requirement of electrical equipment, and has obvious practical value.
Drawings
Fig. 1 is a schematic structural diagram of an insulation coupling used in an electrical device according to an embodiment of the present invention;
fig. 2 is an exploded view of an insulated coupling according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a connector a according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a connector B according to an embodiment of the present invention;
FIG. 5 is a schematic view of an intermediate connecting piece according to an embodiment of the present invention;
the numbers in the figures are indicated below: 1. a connecting piece A; 11. connecting the shaft sleeve part A; 12. a connecting pin part A; 13. a metal adapter A; 14. a reinforcing rib A; 2. a connecting member B; 21. a connecting shaft sleeve part B; 22. a connecting pin part B; 23. a metal adapter B; 24. reinforcing ribs B; 3. an intermediate connecting sheet; 31. a notch; 32. and (7) lightening holes.
Detailed Description
The technical solution of the present invention will be further clearly and completely described below with reference to the accompanying drawings and examples.
Examples
Please refer to fig. 1 to 5: the embodiment provides an insulating coupling for among electrical equipment, including connecting piece A1, connecting piece B2 and locate connecting piece A1 and connecting piece B2 between intermediate connection piece 3 the middle part of connecting piece A1 and connecting piece B2 one side of keeping away from intermediate connection piece 3 corresponds respectively and is equipped with connecting axle sleeve portion A11 and connecting axle sleeve portion B21, equally divide at the both ends of connecting piece A1 and connecting piece B2 one side towards intermediate connection piece 3 and correspond respectively and be equipped with connecting pin portion A12 and connecting pin portion B22, it is equipped with metal adapter A13 and metal adapter B23 to correspond the axial respectively in connecting axle sleeve portion A11 and the connecting axle sleeve portion B21, the symmetry is equipped with four breach 31 on intermediate connection piece 3, and four breach 31 are whole to be the cross setting, connecting pin portion A12 and connecting pin portion B22 can block respectively into 31 in the breach of corresponding position, and can with breach 31 interference fit, connecting sleeve portion A12 and connecting sleeve portion B22's the central axis coincide mutually, in the connecting piece A1 except that metal adapter A13 in the part and the connecting piece B2 except that metal adapter B23 in the part and the intermediate connection piece 3 are insulating material.
When the insulating coupling is assembled, the corresponding connecting pin part A12 and the corresponding connecting pin part B22 in the connecting piece A1 and the connecting piece B2 are respectively clamped into the corresponding notches 31; when the connecting device is used for connecting two rotating shafts in the same direction, the two rotating shafts are respectively connected with the metal adapter A13 and the metal adapter B23, and the two rotating shafts can be connected with the insulating coupler. When the connecting piece A1 rotates, torque can be transmitted to the connecting piece B2 through the middle connecting piece 3, and the connecting pin part A12 and the connecting pin part B22 of the connecting piece A1 and the connecting piece B2 can freely move in the notch 31 of the middle connecting piece 3, so that the eccentricity compensation of the rotating shafts on the two sides can be realized, the difficulty of equipment assembly is reduced, and the action reliability is improved; in addition, the insulating coupling does not need any fastener during assembly, the number of parts is only 3, the structure is simple, and the assembly and the maintenance are easy; in addition, because the part of the connecting piece A1 except the metal adapter A13 and the part of the connecting piece B2 except the metal adapter B23 and the middle connecting piece 3 are made of insulating materials, the air gap and the creepage distance of the insulating coupler can meet the requirement of electrical insulation strength in GB/T21413.1, the electrical gap is larger than 22mm, the impact voltage resistance level reaches more than 18kV, the insulating coupler has excellent electrical insulation level, and the application requirement of electrical equipment can be fully met.
In this embodiment, the notch 31 is a U-shaped notch, so that the connection pin a 12 and the connection pin B22 can move freely in the notch 31.
In addition, the connecting pin part A12 and the connecting pin part B22 are cylindrical pins with limiting end parts, so that a certain limiting function can be realized, and the connecting stability between the connecting pieces A1 and B2 and the intermediate connecting piece 3 can be enhanced.
In addition, two sides of the connecting sleeve portion a 11 and the connecting sleeve portion B21 are respectively and correspondingly provided with a reinforcing rib a 14 and a reinforcing rib B24, so that the stability of transmission is enhanced.
In addition, a plurality of lightening holes 32 (as shown in fig. 5) can be symmetrically arranged on the middle connecting piece 3 to lighten the whole mass of the insulation coupling.
It is finally necessary to point out here: the above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (5)
1. An insulated coupling for use in electrical equipment, characterized by: including connecting piece A, connecting piece B and locate the intermediate connection piece between connecting piece A and the connecting piece B connecting piece A and connecting piece B keep away from the middle part of the one side of intermediate connection piece and correspond respectively and be equipped with connecting axle sleeve portion A and connecting axle sleeve portion B, equally divide at the both ends of connecting piece A and connecting piece B towards the one side of intermediate connection piece and correspond respectively and be equipped with connecting pin portion A and connecting pin portion B, correspond the axial respectively in connecting axle sleeve portion A and the connecting axle sleeve portion B and be equipped with metal adapter A and metal adapter B the symmetry is equipped with four breachs on the intermediate connection piece, four breachs are whole to be the cross setting, connecting pin portion A and connecting pin portion B can block respectively in the breach that corresponds the position to can with breach interference fit, connecting axle sleeve portion A and connecting axle sleeve portion B's the central axis coincidence, just, in connecting piece A except that metal adapter A and the connecting piece B except that metal adapter B partially overlap And the intermediate connecting sheet is made of insulating materials.
2. The insulated coupling of claim 1, wherein: the notch is a U-shaped notch.
3. The insulated coupling of claim 1, wherein: the connecting pin part A and the connecting pin part B are both cylindrical pins with limiting end parts.
4. The insulated coupling of claim 1, wherein: and reinforcing ribs A and reinforcing ribs B are correspondingly arranged on two sides of the connecting shaft sleeve part A and two sides of the connecting shaft sleeve part B.
5. The insulated coupling of claim 1, wherein: and a plurality of lightening holes are symmetrically arranged on the middle connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220652267.9U CN216975575U (en) | 2022-03-23 | 2022-03-23 | Insulation coupling for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220652267.9U CN216975575U (en) | 2022-03-23 | 2022-03-23 | Insulation coupling for electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216975575U true CN216975575U (en) | 2022-07-15 |
Family
ID=82339693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220652267.9U Active CN216975575U (en) | 2022-03-23 | 2022-03-23 | Insulation coupling for electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216975575U (en) |
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2022
- 2022-03-23 CN CN202220652267.9U patent/CN216975575U/en active Active
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| GR01 | Patent grant |