Insulation end plate assembly

Abstract

The utility model relates to the technical field of motor assemblies, and discloses an insulating end plate assembly, which comprises an annular frame, uniformly distributed insulating parts are fixedly connected in the annular frame, notches corresponding to motor stator clamping grooves are arranged in the annular frame, the upper sides of the insulating parts are fixedly connected with inner side protection plates, and the inner side protection plates are fixedly connected with outer side protection plates. The upper side of the annular frame is fixedly connected with uniformly distributed outer side protection plates, the lower side of the annular frame is fixedly connected with a convex ring, the interior of the annular frame is fixedly connected with a polycarbonate layer, the exterior of the polycarbonate layer is fixedly connected with a nylon layer, and the exterior of the nylon layer is fixedly connected with a reinforcing assembly. According to the utility model, insulation protection can be effectively carried out on the end portion of the motor stator, the coil exposed outside the coil clamping groove can be protected and prevented from being scratched by foreign matters, current leakage can be effectively prevented, and the safety of electrical connection can be protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor assembly technical field especially relates to an insulating end plate assembly. BACKGROUND

[0002] The motor includes a stator and a rotor, for the excitation motor, the stator is wound with a coil, and the coil generates a magnetic field after being electrified, but the stator is stamped after the silicon steel sheet, and a plurality of pieces are stacked, a plurality of wire slots are uniformly distributed on the silicon steel sheet, and the coil is located in the wire slot.

[0003] In the motor design, the insulation protection of the stator end part is the key to ensure the stability and safety of the electrical system. With the improvement of motor power and working conditions, the stator coil end part is exposed to the external environment, and is easily affected by mechanical impact, temperature change and external substances. The traditional end plate protection design is mainly single material, and it is often difficult to consider the impact resistance, electrical insulation and high temperature resistance and other multiple requirements. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides an insulating end plate assembly, which aims at improving the problem that the end plate protection design in the prior art is mainly single material, and it is often difficult to consider the impact resistance, electrical insulation and high temperature resistance and other multiple requirements.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: an insulating end plate assembly, comprising a ring-shaped frame, the inside of the ring-shaped frame is fixedly connected with uniformly distributed insulation parts, the ring-shaped frame is provided with a notch corresponding to the motor stator clamping groove, the upper side of the insulation part is fixedly connected with an inner side protection plate, the upper side of the ring-shaped frame is fixedly connected with uniformly distributed outer side protection plates, and the lower side of the ring-shaped frame is fixedly connected with a convex ring.

[0006] As a further description of the above technical scheme:

[0007] The inside of the ring-shaped frame is fixedly connected with a polycarbonate layer, the outside of the polycarbonate layer is fixedly connected with a nylon layer, the outside of the nylon layer is fixedly connected with a reinforcing assembly, the reinforcing assembly is used for reinforcing the use strength of the ring-shaped frame, and the outside of the reinforcing assembly is fixedly connected with a phenolic resin layer.

[0008] As a further description of the above technical scheme:

[0009] The reinforcing assembly comprises a polyester layer, the polyester layer is fixedly connected outside the nylon layer, and the outside of the polyester layer is fixedly connected with a PVC layer.

[0010] As a further description of the above technical scheme:

[0011] The nylon layer, the polyester layer, the PVC layer and the phenolic resin layer are fixedly connected in the inside of the annular frame.

[0012] As a further description of the above technical solution:

[0013] The inside of the insulation part, the inside protection plate and the outside protection plate is fixedly connected with a polycarbonate layer.

[0014] As a further description of the above technical solution:

[0015] The corner of the outside protection plate and the inside protection plate is provided with a round corner.

[0016] The utility model has the advantages of:

[0017] 1. In the utility model, the annular frame is manually moved to drive the convex ring to be clamped on the inner contour of the coil clamping groove, the gap does not interfere with the coil and the insulating paper embedded in the motor stator coil clamping groove, the insulation part is arranged to insulate and protect the motor stator end part, and the inside protection plate and the outside protection plate are arranged to protect the coil exposed outside the motor stator coil clamping groove, so that the motor stator end part can be effectively insulated and protected, and the coil exposed outside the coil clamping groove can be protected to avoid scratches caused by foreign matters.

[0018] 2. In the utility model, the polycarbonate layer has good impact resistance, high temperature resistance and electrical insulation, the nylon layer has good tensile strength and high temperature resistance, the polyester layer has strong electrical insulation and chemical stability, the PVC layer has good electrical insulation and corrosion resistance, and the phenolic resin layer is used as the insulating material of the end plate, so that the current leakage can be effectively prevented, and the safety of electrical connection is protected. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A perspective view of the insulating end plate assembly is provided for the utility model;

[0020] Figure 2 A bottom view of the insulating end plate assembly is provided for the utility model;

[0021] Figure 3 An inside structure schematic view of the annular frame of the insulating end plate assembly is provided for the utility model.

[0022] LEGEND:

[0023] 1. Annular frame; 2. Insulation part; 3. Gap; 4. Inside protection plate; 5. Outside protection plate; 6. Convex ring; 7. Polycarbonate layer; 8. Nylon layer; 9. Polyester layer; 10. PVC layer; 11. Phenolic resin layer. DETAILED DESCRIPTION

[0024] 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.

[0025] With reference to Figure 1 , Figure 2 An embodiment provided by the utility model: an insulating end plate assembly, the inside of annular frame 1 is fixedly connected with uniformly distributed insulating part 2, the inside of annular frame 1 is provided with gap 3 corresponding to motor stator clamping groove, the upside of insulating part 2 is fixedly connected with inside protective plate 4, the upside of annular frame 1 is fixedly connected with uniformly distributed outside protective plate 5, the downside of annular frame 1 is fixedly connected with convex ring 6.

[0026] Through manually moving annular frame 1 to drive convex ring 6 to be clamped into the inner contour of coil clamping groove, the set gap 3 does not interfere with the coil and insulating paper embedded into the motor stator coil clamping groove, the set insulating part 2 insulates and protects the end part of motor stator, the set inside protective plate 4 and outside protective plate 5 protect the coil exposed outside the motor stator clamping groove, which can effectively insulate and protect the end part of motor stator and protect the coil exposed outside the coil clamping groove.

[0027] With reference to Figure 1 , Figure 2 , Figure 3 The inside of annular frame 1 is fixedly connected with polycarbonate layer 7, the outside of polycarbonate layer 7 is fixedly connected with nylon layer 8, the outside of nylon layer 8 is fixedly connected with reinforcing assembly, the reinforcing assembly is used for reinforcing the use strength of annular frame 1, the outside of reinforcing assembly is fixedly connected with phenolic resin layer 11; the reinforcing assembly comprises polyester layer 9, the polyester layer 9 is fixedly connected outside the nylon layer 8, the outside of polyester layer 9 is fixedly connected with PVC layer 10.

[0028] The set polycarbonate layer 7 has good impact resistance, high temperature resistance and electrical insulation, the set nylon layer 8 has good tensile strength and high temperature resistance, the set polyester layer 9 has strong electrical insulation and chemical stability, the set PVC layer 10 has good electrical insulation and corrosion resistance, the set phenolic resin layer 11 is used as the insulating material of end plate, which can effectively prevent current leakage.

[0029] With reference to Figure 1 , Figure 2 , Figure 3The nylon layer 8, the polyester layer 9, the PVC layer 10 and the phenolic resin layer 11 are fixedly connected in the interior of the annular frame 1; the interior of the insulation part 2, the inner side protection plate 4 and the outer side protection plate 5 is fixedly connected with the polycarbonate layer 7; the corners of the outer side protection plate 5 and the inner side protection plate 4 are provided with round corners.

[0030] The nylon layer 8, the polyester layer 9, the PVC layer 10 and the phenolic resin layer 11 are fixedly connected in the interior of the annular frame 1, which can effectively prevent current leakage; the interior of the insulation part 2, the inner side protection plate 4 and the outer side protection plate 5 is fixedly connected with the polycarbonate layer 7, which can protect the coil exposed outside the coil clamping groove; the corners of the outer side protection plate 5 and the inner side protection plate 4 are provided with round corners, which can protect the coil exposed outside the coil clamping groove.

[0031] Working principle: when using the device, the annular frame 1 is manually moved, the annular frame 1 moves to drive the convex ring 6 to move, the convex ring 6 is clamped into the inner contour of the coil clamping groove, thereby protecting the edge of the entire coil clamping groove, avoiding the contact of the coil with the sharp edge of the coil clamping groove, the gap 3 does not interfere with the coil and the insulation paper embedded in the motor stator coil clamping groove, the insulation part 2 covers the connecting part between the adjacent two clamping grooves on the motor stator and the inner arc-shaped part, thereby realizing the insulation protection of the end part of the motor stator, the inner side protection plate 4 and the outer side protection plate 5 protect the coil exposed outside the motor stator clamping groove, preventing scratching the coil or causing scratches to the hands of the maintenance or operation workers, realizing the effective insulation protection of the end part of the motor stator and the protection of the coil exposed outside the coil clamping groove, avoiding scratching by foreign matters; the polycarbonate layer 7 has good impact resistance, high temperature resistance and electrical insulation, the nylon layer 8 has good tensile strength and high temperature resistance, which is used in high mechanical strength and chemical corrosion resistant environment, the polyester layer 9 has strong electrical insulation and chemical stability, which is suitable for some high electrical applications, the PVC layer 10 has good electrical insulation and corrosion resistance, the phenolic resin layer 11 is used as an insulating material for the end plate, realizing the effective prevention of current leakage and the safety of electrical connection.

[0032] 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 present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. An insulating end plate assembly, comprising a ring frame (1), characterized in that: The annular frame (1) has a uniformly distributed insulating part (2) fixedly connected inside. The annular frame (1) has a notch (3) corresponding to the motor stator slot. An inner protective plate (4) is fixedly connected to the upper side of the insulating part (2). An outer protective plate (5) is fixedly connected to the upper side of the annular frame (1). A protruding ring (6) is fixedly connected to the lower side of the annular frame (1). The ring frame (1) is internally fixedly connected to a polycarbonate layer (7), the polycarbonate layer (7) is externally fixedly connected to a nylon layer (8), the nylon layer (8) is externally fixedly connected to a reinforcing component, the reinforcing component is used to enhance the strength of the ring frame (1), and the reinforcing component is externally fixedly connected to a phenolic resin layer (11). The reinforcing component includes a polyester layer (9) fixedly connected to the outside of the nylon layer (8), and a PVC layer (10) fixedly connected to the outside of the polyester layer (9).

2. The insulating end plate assembly according to claim 1, characterized in that: The nylon layer (8), polyester layer (9), PVC layer (10) and phenolic resin layer (11) are all fixedly connected inside the ring frame (1).

3. An insulating end plate assembly according to claim 1, characterized in that: Polycarbonate layers (7) are fixedly connected inside the insulating part (2), the inner protective plate (4) and the outer protective plate (5).

4. An insulating end plate assembly according to claim 1, characterized in that: The corners of the outer protective plate (5) and the inner protective plate (4) are rounded.

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