An insulating paper protection device

Abstract

This utility model discloses an insulating paper protection device for a flat wire motor stator. The flat wire motor stator has multiple slots spaced circumferentially. The insulating paper protection device includes a guide plate. The guide plate is detachably mounted on the flat wire motor stator. The guide plate has multiple through holes spaced circumferentially and corresponding to the slots. The through holes are used for inserting insulating paper. This application features a detachable guide plate. When insulating paper is inserted, the guide plate is fitted onto the flat wire motor stator, and the insulating paper enters the stator slot through the through holes on the guide plate. This improves the accuracy of the insulating paper entering the slot and solves the problem of deformation or breakage of the insulating paper due to friction or mechanical stress during insertion.

Description

Technical Field

[0001] This utility model relates to the field of flat wire motor stator technology, and in particular to an insulating paper protection device. Background Technology

[0002] The stator of a flat wire motor typically consists of an iron core and an excitation winding. The iron core has a through hole in its center and multiple slots evenly distributed around its circumference to accommodate the excitation winding. To ensure electrical insulation between the excitation winding and the stator iron core, insulating paper is usually inserted into the slots of the iron core.

[0003] Currently, in the stator processing of flat wire motors, the formed insulating paper is usually inserted into the slots manually or using mechanical tools. However, because the edges of the stator core slots are usually quite sharp, and the insulating paper itself is thin and flexible, direct insertion can easily cause the insulating paper to deform, break, or even tear due to friction or mechanical stress, thereby reducing the assembly accuracy of the insulating paper and affecting the insulation performance of the motor stator.

[0004] Therefore, existing technologies still need improvement. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of this utility model is to provide an insulating paper protection device, which aims to solve the problem of deformation or breakage of insulating paper caused by friction or mechanical stress during the paper insertion process.

[0006] The insulating paper protection device provided in this application adopts the following technical solution:

[0007] An insulating paper protection device is used for a flat wire motor stator; the flat wire motor stator has a plurality of slots spaced apart along its circumference, wherein the insulating paper protection device includes an inlet plate; the inlet plate is detachably mounted on the flat wire motor stator; the inlet plate has a plurality of through holes; the plurality of through holes are spaced apart along the circumference of the inlet plate and correspond to the slots; the plurality of through holes are used for inserting insulating paper.

[0008] The insulating paper protection device, wherein the through hole includes an inlet end and an outlet end; the diameter of the inlet end is greater than or equal to the diameter of the outlet end.

[0009] The insulating paper protection device has a trapezoidal cross-sectional shape at the inlet end and a square cross-sectional shape at the outlet end.

[0010] In the aforementioned insulating paper protection device, the inner walls of the through holes are all smooth curved surfaces.

[0011] The insulating paper protection device includes a first groove on the outer wall of the flat wire motor stator and a positioning element on the guide plate corresponding to the position of the groove.

[0012] The insulating paper protection device, wherein the positioning element is located at the bottom of the guide plate; multiple positioning elements are provided; the multiple positioning elements are spaced apart along the circumference of the guide plate.

[0013] In the aforementioned insulating paper protection device, the bottom of the guide plate is recessed inward to form a second groove; the diameter of the second groove is greater than or equal to the diameter of the flat wire motor stator.

[0014] In the aforementioned insulating paper protection device, the cross-sectional shape of the sidewall of the second groove is stepped.

[0015] The insulating paper protection device further includes a guide hole in the guide plate; the guide hole is located at the center of the guide plate.

[0016] In the aforementioned insulating paper protection device, the guide hole is semi-circular in shape.

[0017] Compared with the prior art, the embodiments of this utility model have the following advantages:

[0018] This application features a detachable guide plate. When inserting insulating paper, the guide plate is fitted onto the stator of the flat wire motor. The insulating paper enters the stator slot through the through hole on the guide plate, improving the accuracy of the insulating paper entering the slot and solving the problem of deformation or breakage of the insulating paper due to friction or mechanical stress during the paper insertion process. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of the flat wire motor stator and the guide plate in the embodiments of this application;

[0021] Figure 2 This is a schematic diagram of the import disk in an embodiment of this application;

[0022] Figure 3 This is a partial structural diagram of the import disk in an embodiment of this application;

[0023] Figure 4This is a schematic diagram from another perspective of the import disk in the embodiments of this application.

[0024] Explanation of reference numerals in the attached drawings: 100, flat wire motor stator; 110, slot; 120, first groove; 200, inlet plate; 210, through hole; 211, inlet end; 212, outlet end; 220, positioning element; 230, second groove; 240, guide hole. Detailed Implementation

[0025] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] The present application will be further described in detail below with reference to the accompanying drawings.

[0027] like Figure 1 As shown, in the existing flat wire motor stator processing, the formed insulating paper is directly inserted into the slot on the flat wire motor stator. In this process, the positioning accuracy between the insulating paper and the stator slot is insufficient, leading to positional deviations during assembly. Consequently, the insulating paper is susceptible to deformation, damage, or even tearing under friction and mechanical stress during installation, affecting its insulation performance. Therefore, this application discloses an insulating paper protection device for a flat wire motor stator 100. The flat wire motor stator 100 has multiple slots 110 spaced circumferentially. The insulating paper protection device includes a guide plate. The guide plate is detachably mounted on the flat wire motor stator 100. The guide plate 200 has multiple through holes 210. The multiple through holes 210 are spaced circumferentially along the guide plate 200 and correspond to the slots 110. The multiple through holes 210 are used for inserting insulating paper.

[0028] In use, the guide plate 200 is circular in shape, corresponding to the flat wire motor stator 100; and the guide plate 200 has multiple through holes 210 spaced circumferentially. When the guide plate 200 is installed on the top of the flat wire motor stator 100, the multiple through holes 210 are aligned with the slots 110 on the flat wire motor stator 100. Then, the formed insulating paper is inserted into the slots 110. Thus, under the guidance of the guide plate 200, the formed insulating paper is accurately inserted into the slots 110 of the flat wire motor stator 100, avoiding misalignment with the slots 110 during insertion, which could lead to damage or deformation.

[0029] Specifically, during the manufacturing process of the flat wire motor stator 100, the flat wire motor stator 100 is first fixed, and then the guide plate 200 is installed on top of the flat wire electronic stator, with the through hole 210 on the guide plate 200 aligned with the slot 110 of the flat wire motor stator 100. Subsequently, insulating paper is passed through the through hole 210 and extended into the slot 110. Thus, by installing the guide plate 200, the insulating paper is protected during slot insertion, preventing it from being scratched or torn by the slot 110, which would affect the insulation effect.

[0030] like Figure 2 and Figure 3 As shown, in this embodiment, the through hole 210 includes an inlet end 211 and an outlet end 212; the diameter of the inlet end 211 is greater than or equal to the diameter of the outlet end 212. Specifically, in actual use, the diameter of the outlet end 212 of the guide plate 200 is the same as the opening size of the slot 110 of the flat wire motor stator 100, and the outlet end 212 is aligned and fitted with the slot 110 to ensure that the formed insulating paper can smoothly transition from the guide plate 200 into the slot 110 of the flat wire motor stator 100. At the same time, the diameter of the inlet end 211 of the guide plate 200 is larger than the diameter of the outlet end 212. When the formed insulating paper enters the slot, the larger inlet end 211 provides a more spacious initial space for the insulating paper to enter the guide plate 200. When paper insulating paper enters from different positions and directions, it can be slightly adjusted at the inlet end 211 to better align the insulating paper at the narrower outlet end 212, improve the neatness of the paper output, reduce the wear and scratches on the surface of the insulating paper caused by friction, and improve the accuracy of the insulating paper entering the slot.

[0031] like Figure 3 As shown, in this embodiment, the inlet end 211 has a trapezoidal cross-sectional shape, and the outlet end 212 has a square cross-sectional shape. Similarly, the trapezoidal shape of the inlet end 211 better accommodates slight bends, wrinkles, or positional deviations in the insulating paper, preventing it from getting stuck at the inlet and ensuring continuous and smooth paper feeding. The square shape of the outlet end 212 ensures alignment with the slot 110 of the flat wire motor stator 100, guaranteeing the accuracy of the insulating paper entering the slot. In one embodiment, the inner walls of the through holes 210 are all smooth curved surfaces to reduce wear and scratches on the surface of the insulating paper caused by friction. This also allows the insulating paper to adjust its position more smoothly as it enters and passes through the through holes 210, preventing paper jams or folds within the channel.

[0032] In another embodiment of this utility model, such as Figure 1 and Figure 4As shown, a first groove 120 is provided on the outer wall of the flat wire motor stator 100; a positioning element 220 is provided on the guide plate 200 corresponding to the first groove 120. Specifically, in actual use, the positioning element 220 is a limiting post, which is set at the bottom of the guide plate 200 and corresponds to the first groove 120. When the guide plate 200 is installed on the top of the flat wire motor stator 100, the limiting post is embedded in the first groove 120 and engages with the first groove 120, ensuring that the through hole 210 on the guide plate 200 is always aligned with the slot 110 during the processing of the flat wire motor stator 100, preventing the guide plate 200 from shifting during the insertion of the formed insulating paper into the slot, thus affecting the insertion accuracy of the insulating paper into the slot.

[0033] In this embodiment, the positioning element 220 is disposed at the bottom of the guide plate 200; multiple positioning elements 220 are provided; the multiple positioning elements 220 are arranged at intervals along the circumference of the guide plate 200. Specifically, the outer side wall of the flat wire motor stator 100 is provided with multiple first grooves 120, and the bottom of the guide plate 200 is provided with multiple positioning elements 220 at positions corresponding to the first grooves 120. The multiple positioning elements 220 improve the stability of the guide plate 200, thereby ensuring the accuracy and precision of the insulating paper entering the groove.

[0034] In another embodiment of this utility model, such as Figure 4 As shown, the bottom of the inlet disk 200 is recessed inward to form a second groove 230; the diameter of the second groove 230 is greater than or equal to the diameter of the flat wire motor stator 100. Specifically, the bottom of the inlet disk 200 is recessed inward to form the second groove 230, and its diameter is greater than the diameter of the flat wire motor stator 100. When the inlet disk 200 is installed on top of the flat wire motor stator 100, the second groove 230 covers the flat wire motor stator 100, and the second groove 230 abuts against the outer edge of the flat wire motor stator 100, preventing the inlet disk 200 from falling off due to external forces.

[0035] In this embodiment, the cross-sectional shape of the sidewall of the second groove 230 is stepped. In actual use, the cross-sectional shape of the second groove 230 is stepped. Specifically, the second groove 230 is provided with two steps. When the guide plate 200 is installed on the top of the flat wire motor stator 100, the first step fits tightly with the outer edge of the flat wire motor stator 100 to facilitate quick positioning and alignment of the through hole 210 and the slot 110; the second step increases the depth of the inward recess at the bottom of the guide plate 200, preventing the guide plate 200 from shifting or falling off, and also preventing the inner sidewall of the second groove 230 from causing wear and damage to the flat wire motor stator 100.

[0036] In another embodiment of this utility model, the inlet plate 200 is further provided with a guide hole 240; the guide hole 240 is located at the center of the inlet plate 200. The guide hole 240 is semi-circular in shape. Specifically, in actual use, two semi-circular guide holes 240 are provided at the center of the inlet plate 200. During the installation of the inlet plate 200, it is possible to observe through the guide holes 240 whether the through hole 210 on the inlet plate 200 is completely aligned with the stator slot 110; at the same time, when manually installing the inlet plate 200, it is also possible to hold the connecting part formed in the middle of the two semi-circular guide holes 240 to facilitate the placement and removal of the inlet plate 200. In one embodiment, after manually holding the connecting part, the inlet plate 200 is placed on the top of the flat wire motor stator 100, and the relative position of the through hole 210 and the stator slot 110 is observed through the guide hole 240. By holding the connecting part and rotating the inlet plate 200, the through hole 210 and the slot 110 are completely aligned.

[0037] In summary, this utility model discloses an insulating paper protection device for a flat wire motor stator. The flat wire motor stator has multiple slots spaced circumferentially. The insulating paper protection device includes a guide plate. The guide plate is detachably mounted on the flat wire motor stator. The guide plate has multiple through holes. These through holes are spaced circumferentially along the guide plate and correspond to the slots. The through holes are used for inserting insulating paper. This application features a detachable guide plate. When insulating paper is inserted, the guide plate is fitted onto the flat wire motor stator, and the insulating paper enters the stator slot through the through holes on the guide plate. This improves the accuracy of the insulating paper entering the slot and solves the problem of deformation or breakage of the insulating paper due to friction or mechanical stress during insertion.

[0038] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0039] It should be noted that this utility model uses an insulating paper protection device as an example to introduce the specific structure and working principle of the utility model, but the application of this utility model is not limited to the insulating paper protection device, and can also be applied to the production and use of other similar workpieces.

[0040] It should be understood that this invention is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this invention is limited only by the appended claims.

[0041] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An insulation paper protection device for a flat wire motor stator, the flat wire motor stator having a plurality of slots circumferentially spaced apart, characterized in that, The insulating paper protection device includes an inlet disc; the inlet disc is detachably mounted on the stator of the flat wire motor; the inlet disc has multiple through holes; the multiple through holes are spaced apart along the circumference of the inlet disc and correspond to the slot; the multiple through holes are used for inserting insulating paper.

2. The insulation paper protection device of claim 1, wherein The through hole includes an inlet end and an outlet end; the diameter of the inlet end is greater than or equal to the diameter of the outlet end.

3. The insulation paper protection device of claim 2, wherein The inlet end has a trapezoidal cross-sectional shape; the outlet end has a square cross-sectional shape.

4. The insulation paper protection device of claim 3, wherein The inner walls of the through holes are all smooth curved surfaces.

5. The insulation paper protection device of claim 1, wherein The outer wall of the flat wire motor stator is provided with a first groove; the guide plate is provided with a positioning element corresponding to the position of the first groove.

6. The insulation paper protection device of claim 5, wherein The positioning element is located at the bottom of the inlet disk; there are multiple positioning elements; the multiple positioning elements are arranged at intervals along the circumference of the inlet disk.

7. The insulation paper protection device of claim 1, wherein The bottom of the inlet disc is recessed inward to form a second groove; the diameter of the second groove is greater than or equal to the diameter of the flat wire motor stator.

8. The insulation paper protection device of claim 7, wherein, The sidewall of the second groove has a stepped cross-sectional shape.

9. The insulation paper protection device of claim 1, wherein, The inlet disc is also provided with a guide hole; the guide hole is located at the center of the inlet disc.

10. The insulation paper protection device of claim 9, wherein, The guide hole is semi-circular in shape.

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