Novel protective ring structure for fan motor

By combining U-shaped connectors and inserts, the problem of poor lead wire protection in the fan motor coil protection structure is solved, achieving stable fixation of the lead wires and convenient installation and disassembly, thus enhancing the sealing and protection effect.

CN223816057UActive Publication Date: 2026-01-20ZHONGSHAN SHUNKAI ELECTRICAL APPLIANCES CO LTD
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Patent Information

Application Number
CN202423272394.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-28
Publication Date
2026-01-20
Estimated Expiration
2034-12-28

AI Technical Summary

Technical Problem

The existing fan motor coil protection structure has problems such as poor lead wire protection, easy displacement, easy detachment from the housing, and difficulty in installation and disassembly.

Method used

It adopts a combination structure of U-shaped connector and insert, which fits into the slot and the outlet slot. The elastic deformation and rotation mechanism of the insert enables convenient installation and disassembly, reduces the lead wire gap, and enhances sealing protection.

Benefits of technology

It achieves stable fixation of the lead wire, avoids displacement and detachment, simplifies the installation and disassembly process, and improves the protection effect and ease of installation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel protective coil structure for a fan motor, which comprises a motor shell, a wire outlet groove and a protective coil, the wire outlet groove penetrates through one side of the motor shell, the protective coil is arranged in the wire outlet groove, the protective coil comprises a U-shaped connecting piece and an insert arranged on the inner side of the U-shaped connecting piece, and the insert is arranged in the U-shaped connecting piece. A wire passing hole is formed between the U-shaped connecting piece and the insert; wherein the two sides of the U-shaped connecting piece are symmetrically provided with a left half part and a right half part which can be elastically deformed, the insert is connected between the left half part and the right half part in an abutting mode, the opposite sides of the left half part and the right half part are each provided with a clamping groove in a concave mode, the clamping grooves can be embedded into the outline edge of the wire outlet groove, and the insert is connected with a rotating shaft. Penetrating holes correspondingly penetrate through the left half part and the right half part respectively, the two ends of the rotating shaft are located in the penetrating holes respectively, a movable gap allowing the left half part and the right half part to conduct relative close elastic deformation is reserved between the rotating shaft and the penetrating holes, and receding grooves are formed in the two sides of the insert in an inwards-concave mode respectively.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a novel coil protection structure for fan motor. BACKGROUND

[0002] In the related art, in order to prevent the outgoing line of the motor from being damaged by the motor shell and its rigid components, the outgoing line of the motor needs to be protected by a coil protection structure. Generally, a hole or a groove is formed on the motor shell, and a hollow insulating sleeve is arranged, and the outgoing line is drawn out of the insulating sleeve.

[0003] However, the existing coil protection structure has the problems of poor outgoing line protection effect, easy displacement of the outgoing line, easy detachment of the coil protection structure from the shell, and difficult installation and disassembly.

[0004] Therefore, it is necessary to provide a novel coil protection structure for fan motor to solve the above problems. SUMMARY

[0005] In view of the defects of the prior art, the utility model solves the technical problem of providing a novel coil protection structure for fan motor.

[0006] A novel coil protection structure for fan motor, comprising a motor shell, an outgoing line groove and a coil protection structure, the outgoing line groove penetrates one side of the motor shell, the coil protection structure is arranged in the outgoing line groove, the coil protection structure comprises a U-shaped connecting piece and an inlay arranged on the inner side of the U-shaped connecting piece, and a wire passing hole is formed between the U-shaped connecting piece and the inlay.

[0007] The left half and the right half on both sides of the U-shaped connecting piece are elastically deformed, the inlay is abutted between the left half and the right half, the left half and the right half are respectively concave with clamping grooves on the corresponding sides away from each other, the clamping grooves can be embedded with the contour edges of the outgoing line groove, the inlay is connected with a rotating shaft, the left half and the right half are respectively penetrated with through holes, the rotating shaft is respectively located in the through holes, the rotating shaft and the through holes leave a movable gap for the elastic deformation of the left half and the right half, and the inlay is respectively concave with a gap slot on both sides.

[0008] In one embodiment, the opposite inner sides of the left half and the right half are respectively convex with convex parts, and the convex parts are located in the inner cavity of the motor shell. When the inlay is located between the left half and the right half, the convex parts can cover and shield the gap slot.

[0009] In one embodiment, the insert has a through hole on one side, and the rotating shaft is detachably inserted into the through hole.

[0010] In one embodiment, the insert has a first arc-shaped recess at the lower end, and the U-shaped connecting piece has a second arc-shaped recess at the inner lower end, and the wire passing hole is formed between the first arc-shaped recess and the second arc-shaped recess.

[0011] In one embodiment, the diameter of the wire passing hole is equal to the diameter of the lead wire.

[0012] In one embodiment, the insert is in abutment with the inner side of the U-shaped connecting piece by interference fit, and the insert can be forced to separate from the inner side of the U-shaped connecting piece.

[0013] In summary, the utility model has the beneficial effects that:

[0014] The utility model discloses the two sides of U-shaped connecting piece respectively with the edge of the edge of the wire groove are embedded to realize the installation connection of U-shaped connecting piece and wire groove, and the left half and right half of U-shaped connecting piece can be forced to make the elastic deformation displacement of relative approach, make the edge of the edge of the wire groove of card slot and, and then facilitate the installation and removal of U-shaped connecting piece.

[0015] The insert is rotated between the left half and the right half, which can ensure that the left half or the right half will not be forced to cause the disengagement of the card slot and the wire groove, and the combination of the insert and the U-shaped connecting piece forms a wire passing hole, which can reduce the gap of the lead wire inside the U-shaped connecting piece, avoid the problem of leakage or displacement of the lead wire due to too large gap.

[0016] And the insert can be forced to rotate and evert to separate from between the left half and the right half, and then the insert separates from the abutment of the left half and the right half, and the left half and the right half can be forced to make the elastic deformation of relative approach, and displace into the accommodation groove, and then facilitate the installation and removal of U-shaped connecting piece. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a three-dimensional structure schematic view of a novel coil protection structure for a fan motor in one embodiment of the utility model;

[0018] Fig. 2 It is an exploded view of the coil protection in one embodiment of the utility model;

[0019] Fig. 3 It is one of the three-dimensional schematic views of the coil protection in one embodiment of the utility model;

[0020] Fig. 4 It is the second three-dimensional schematic view of the coil protection in one embodiment of the utility model. DETAILED DESCRIPTION

[0021] The utility model is further described below in combination with the drawings and specific embodiments:

[0022] As Figs. 1 to 4 The utility model discloses a novel coil protection structure for fan motor provides a novel coil protection structure for fan motor, including motor casing 1 and outlet slot 2 and coil protection, outlet slot 2 is through in motor casing 1 one side, coil protection sets up in outlet slot 2, coil protection includes U type connecting piece 3 and the inlay 4 of setting in U type connecting piece 3 inside, form the wire hole 5 between U type connecting piece 3 and inlay 4, wherein, the both sides of U type connecting piece 3 have the left half 31 and right half 32 of elastic deformation symmetrically, inlay 4 is butt joint between left half 31 and right half 32, the left half 31 and right half 32 correspond respectively to recessed clamping groove 33 on one side of the opposite side, clamping groove 33 can be embedded with the profile edge of outlet slot 2, the inlay 4 is connected with the rotating shaft 34, the left half 31 and right half 32 correspond respectively to the perforation 35 that is threaded, the both ends of rotating shaft 34 are located in the perforation 35 respectively, and the rotating shaft 34 and the perforation 35 are left with the clearance of the relative close elastic deformation of the left half 31 and right half 32, the both sides of inlay 4 recess respectively let the slot 36, when inlay 4 rotates relative to U type connecting piece 3 through rotating shaft 34, inlay 4 can respectively separate from left half 31 and right half 32, at this time, the left half 31 and right half 32 can respectively be elastically deformed displacement to let the slot 36 direction, make clamping groove 33 and the edge of outlet slot 2 separate.

[0023] Specifically, the both sides of the U-shaped connecting piece are embedded with the edges of the outlet slot through the clamping grooves, to realize the installation and connection of the U-shaped connecting piece and the outlet slot, and the left half and the right half of the U-shaped connecting piece can be elastically deformed and displaced relative to each other under stress, so that the clamping grooves are separated from the edges of the outlet slot, and the U-shaped connecting piece is convenient to install and disassemble.

[0024] The inlay is rotated between the left half and the right half, so that the left half or the right half cannot be separated from the outlet slot under stress, and the inlay and the U-shaped connecting piece are combined to form the wire hole, which can reduce the gap of the lead wire inside the U-shaped connecting piece, and avoid the problems of leakage and displacement of the lead wire due to the large gap.

[0025] The inlay can be rotated and turned outwards under stress to separate from between the left half and the right half, so that the inlay is separated from the abutment of the left half and the right half, and the left half and the right half can be elastically deformed and displaced relative to each other to the let slot, and the U-shaped connecting piece is convenient to install and disassemble.

[0026] Further, the left half 31 and the right half 32 are respectively provided with a convex portion 37 on the inner side, the convex portion 37 is located in the inner cavity of the motor housing 1, when the insert block 4 is located in abutment between the left half 31 and the right half 32, the convex portion 37 can cover and shield the gap 36. Further, by setting the convex portion, the problem of gap leakage is effectively reduced, and better sealing protection effect is achieved.

[0027] Further, the insert block 4 is provided with a through hole 38 on one side, the rotating shaft 34 is detachably inserted into the through hole 38, and the rotating shaft 34 is convex on both sides of the insert block 4. Further, the rotating shaft can be detachably installed on the insert block, which is convenient for installation, disassembly and maintenance.

[0028] Further, the insert block 4 is provided with a first arc-shaped recess 11 at the lower end, the U-shaped connecting piece 3 is provided with a second arc-shaped recess 12 at the inner lower end, and the wire passing hole 5 is formed between the first arc-shaped recess 11 and the second arc-shaped recess 12.

[0029] Further, the diameter of the wire passing hole 5 is equal to the diameter of the lead wire. Further, the gap between the lead wire and the wire passing hole is effectively reduced.

[0030] Further, the insert block 4 is in abutment with the inner side of the U-shaped connecting piece 3 through interference fit, and the insert block 4 can be forced to separate from the inner side of the U-shaped connecting piece 3.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and the skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A new type of coil protection structure for fan motor, comprising a motor housing (1) and a wire outlet slot (2) and a coil protection, the wire outlet slot (2) penetrates through one side of the motor housing (1), and the coil protection is arranged in the wire outlet slot (2), characterized in that: The wire protection coil comprises a U-shaped connector (3) and an inlay block (4) arranged inside the U-shaped connector (3), and a wire passing hole (5) is formed between the U-shaped connector (3) and the inlay block (4); The U-shaped connector (3) is symmetrical on both sides and has an elastically deformable left half (31) and a right half (32), the inlay block (4) is abutted between the left half (31) and the right half (32), the left half (31) and the right half (32) are respectively recessed with a clamping groove (33) on the side corresponding to the opposite side, the clamping groove (33) can be embedded with the profile edge of the wire outlet groove (2), the inlay block (4) is connected with a rotating shaft (34), the left half (31) and the right half (32) are respectively correspondingly penetrated with a through hole (35), the rotating shaft (34) is respectively located in the through hole (35) at both ends, and a movable gap is left between the rotating shaft (34) and the through hole (35) to allow the left half (31) and the right half (32) to be relatively close to each other and elastically deformed, the inlay block (4) is respectively recessed with a displacement slot (36) on both sides, when the inlay block (4) is rotated relative to the U-shaped connector (3) through the rotating shaft (34), the inlay block (4) can be respectively separated from the left half (31) and the right half (32), at this time, the left half (31) and the right half (32) can be elastically deformed and displaced in the direction of the displacement slot (36) under the action, so that the clamping groove (33) is separated from the edge of the wire outlet groove (2).

2. A new coil protection structure for fan motor as claimed in claim 1, wherein: The opposite inner sides of the left half (31) and the right half (32) are respectively convexly provided with a convex part (37), and the convex part (37) is located in the inner cavity of the motor shell (1), when the inlay block (4) is located between the left half (31) and the right half (32), the convex part (37) can cover and shield the displacement slot (36).

3. A new coil protection structure for fan motor as claimed in claim 1, wherein: The inlay block (4) is penetrated with a through hole (38) on one side, and the rotating shaft (34) can be detachably and rotatably inserted into the through hole (38), and the rotating shaft (34) is convexly provided on both sides of the inlay block (4) at both ends.

4. A new coil protection structure for fan motor as claimed in claim 1, wherein: The inlay block (4) has a first arc-shaped recess (11) at the lower end, the inner side of the U-shaped connector (3) has a second arc-shaped recess (12) at the lower end, and the wire passing hole (5) is formed between the first arc-shaped recess (11) and the second arc-shaped recess (12).

5. A new coil protection structure for fan motor as claimed in claim 1, wherein: The diameter of the wire passing hole (5) is equal to the diameter of the lead wire.

6. A new coil protection structure for fan motor as claimed in claim 1, wherein: The inlay block (4) is abutted to the inner side of the U-shaped connector (3) through interference fit, and the inlay block (4) can be separated from the inner side of the U-shaped connector (3) under the action.