A stator fixing structure of a single-stator dual-rotor axial flux motor

Abstract

The utility model provides a fixing structure of a stator of a single-stator dual-rotor axial flux motor, comprising a front shell, a rear shell, a breathable net, a heat dissipation fan, a rotating shaft, a rubber pad, an insertion rod, a stator wiring harness and a rotor bracket, wherein the inner front end of the rear shell is fixedly connected with a plurality of insertion rods arranged equidistantly and circumferentially, the outer wall of the insertion rod is slidably connected with the stator wiring harness, the middle part of the stator wiring harness is rotatably connected with the rotating shaft, the outer wall of the rotating shaft is symmetrically provided with a limiting frame with the stator wiring harness as the center, the outer wall of the limiting frame is fixedly connected with a fixing ring of the rotor bracket by bolts, the interior of the rear shell is provided with a breathable hole, the interior of the breathable hole is provided with a breathable net, the outer wall of the stator wiring harness is provided with a rubber pad, the stator wiring harness can be quickly clamped and fixed by clamping and squeezing between the sleeve of the front shell and the insertion rod of the rear shell, and the clamping force can be effectively relieved by arranging the rubber pad on the outer side of the stator wiring harness.

Description

Technical Field

[0001] The utility model relates to a single-stator dual-rotor axial flux motor, in particular to a fixing structure of a stator of the single-stator dual-rotor axial flux motor, belonging to the technical field of disc motors. Background Art

[0002] The rotor and stator of a general motor are installed inside and outside. In order to be thin, the stator of a disc motor is on a flat substrate, and the rotor is covered on the stator. Generally, the stator is a coil, and the rotor is a permanent magnet or a disc with a permanent magnet. It is also called a disk motor.

[0003] The original mechanical fixing method of the stator of the single-stator dual-rotor axial flux motor is to use screws to lock the pressure plate to press the stator winding monomer. The structure is cumbersome and the subsequent disassembly of the stator for maintenance is cumbersome. Therefore, a fixing structure of the stator of the single-stator dual-rotor axial flux motor is proposed to address the above problems. Utility Model Content

[0004] In view of this, the utility model provides a fixing structure of a stator of a single-stator dual-rotor axial flux motor to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0005] The technical solution of the utility model embodiment is achieved as follows: a fixing structure of a stator of a single-stator dual-rotor axial flux motor, comprising a front shell, a rear shell, a breathable net, a heat dissipation fan, a rotating shaft, a rubber pad, a plug rod, a stator wiring harness and a rotor bracket, wherein the inner front end of the rear shell is fixedly connected to a plurality of equidistantly arranged plug rods, the outer wall of the plug rod is slidably connected to the stator wiring harness, the middle part of the stator wiring harness is rotatably connected to the rotating shaft, the outer wall of the rotating shaft is symmetrically provided with a limit frame with the stator wiring harness as the center, the outer wall of the limit frame is fixedly connected to the middle part of the fixing ring of the rotor bracket by bolts, the interior of the rear shell is provided with an air hole, the interior of the air hole is provided with an air permeable net, the front end of the front shell is fixedly installed with a heat dissipation fan, the air inlet of the heat dissipation fan is installed with a dustproof net, and the outer wall of the stator wiring harness is provided with a rubber pad.

[0006] Further preferably, the front shell and the rear shell are fixedly connected by bolts.

[0007] Further preferably, a sleeve is fixedly connected to the interior of the front shell, the sleeve corresponds to the position of the plug rod and is sleeved on the outer wall of the plug rod, and the outer wall of the sleeve is tightly fitted to the outer wall of the rubber pad.

[0008] Further preferably, a plurality of magnetic poles are fixedly connected around the outer wall of the rotor support, and the outer wall of the rotor support is slidably connected to the interior of the front shell and the interior of the rear shell.

[0009] Further preferably, the bottom end of the rear shell is fixedly connected to a base.

[0010] Further preferably, the rear end of the rear shell is fixedly connected to a rear cover by bolts, and a heat dissipation fan is fixedly mounted on an outer wall of the rear cover.

[0011] Further preferably, both ends of the rotating shaft are rotatably connected to the middle part of the front shell and the middle part of the rear cover respectively.

[0012] Further preferably, an outer wall of the rear shell is provided with an electric wire, and one end of the electric wire is fixedly connected to the outer wall of the stator wiring harness.

[0013] The utility model embodiment adopts the above technical solution, which has the following advantages:

[0014] 1. By setting a number of air holes inside the rear shell, installing an air permeable net inside the air holes, and starting the heat dissipation fan to blow air to the internal stator harness and rotor frame, the wind is introduced into the air holes of the rear shell along the channel between the front shell and the rear shell as the rotor bracket rotates to form flowing air, which can cool the heat generated by the internal electromagnetic induction, and a dustproof net and an air permeable net are provided to prevent the entry of dust during heat dissipation;

[0015] Second, the stator harness can be quickly clamped and fixed by clamping and squeezing the sleeve of the front shell and the plug rod of the rear shell. The rubber pad is provided on the outside of the stator harness to effectively relieve the clamping force.

[0016] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is the overall structure diagram of the utility model;

[0019] Figure 2 This is the overall rear view structure diagram of the utility model;

[0020] Figure 3 This is a schematic diagram of the interior of the rear housing of the utility model;

[0021] Figure 4This is a schematic diagram of the interior of the rear housing of the utility model from a rear view;

[0022] Figure 5 This is a schematic diagram of the interior of the front shell of the utility model;

[0023] Figure 6 This is a combined diagram of the stator wiring harness, rotating shaft and rotor bracket of the utility model;

[0024] Figure 7 For this utility model Figure 3 A partial enlarged schematic diagram in the middle.

[0025] Figure numerals: 1. front shell; 2. rear shell; 3. breathable net; 4. rear cover; 5. cooling fan; 6. dust net; 7. rotating shaft; 8. base; 9. electric wire; 10. rubber pad; 11. plug rod; 12. stator wiring harness; 13. air vent; 14. rotor bracket; 15. fixing ring; 16. limit frame; 17. magnetic pole; 18. sleeve. DETAILED DESCRIPTION

[0026] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0027] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0028] Example

[0029] like Figure 1-Figure 7 As shown, the embodiment of the utility model provides a fixed structure of the stator of a single-stator dual-rotor axial flux motor, including a front shell 1, a rear shell 2, a breathable net 3, a heat dissipation fan 5, a rotating shaft 7, a rubber pad 10, a plug rod 11, a stator wiring harness 12 and a rotor bracket 14, the inner front end of the rear shell 2 is fixedly connected with a plurality of plug rods 11 arranged equidistantly around, the outer wall of the plug rod 11 is slidably connected with the stator wiring harness 12, the middle part of the stator wiring harness 12 is rotatably connected with the rotating shaft 7, the outer wall of the rotating shaft 7 is symmetrically provided with a limit frame 16 with the stator wiring harness 12 as the center, and the outer wall of the limit frame 16 is through The middle part of the fixing ring 15 fixed to the outer wall of the rotor bracket 14 is fixedly connected by bolts, the interior of the rear shell 2 is provided with an air vent 13, the interior of the air vent 13 is provided with an air permeable net 3, the front end of the front shell 1 is fixedly installed with a cooling fan 5, the air inlet of the cooling fan 5 is installed with a dustproof net 6, the outer wall of the stator harness 12 is provided with a rubber pad 10, and the stator harness 12 can be quickly clamped and fixed by clamping and squeezing the sleeve 18 of the front shell 1 and the plug 11 of the rear shell 2. The rubber pad 10 is provided on the outside of the stator harness 12 to effectively relieve the clamping force.

[0030] In one embodiment, specifically, the front shell 1 and the rear shell 2 are fixedly connected by bolts to facilitate quick assembly.

[0031] In one embodiment, specifically, a sleeve 18 is fixedly connected to the interior of the front shell 1, and the sleeve 18 corresponds to the position of the plug rod 11 and is sleeved on the outer wall of the plug rod 11. The outer wall of the sleeve 18 fits tightly against the outer wall of the rubber pad 10, which is convenient for limiting the position when installing the stator wiring harness 12, thereby improving the installation efficiency.

[0032] In one embodiment, specifically, a plurality of magnetic poles 17 are fixedly connected around the outer wall of the rotor support 14 , and the outer wall of the rotor support 14 is slidably connected to the interior of the front shell 1 and the interior of the rear shell 2 .

[0033] In one embodiment, specifically, the bottom end of the rear shell 2 is fixedly connected to a base 8 .

[0034] In one embodiment, specifically, the rear end of the rear shell 2 is fixedly connected to the rear cover 4 by bolts, and a cooling fan 5 is fixedly installed on the outer wall of the rear cover 4. By starting the cooling fan 5, air is blown to the internal stator harness 12 and the rotor frame.

[0035] In one embodiment, specifically, two ends of the rotating shaft 7 are rotatably connected to the middle of the front shell 1 and the middle of the rear cover 4 respectively.

[0036] In one embodiment, specifically, the outer wall of the rear shell 2 is provided with an electric wire 9, and one end of the electric wire 9 is fixedly connected to the outer wall of the stator wiring harness 12, so as to facilitate the transmission of electricity to the stator wiring harness 12, and generate an electromagnetic field through the stator wiring harness 12, so as to facilitate the rotation of the magnetic pole 17 and the rotation of the shaft 7.

[0037] When the utility model is working: a plurality of air holes 13 are provided inside the rear shell 2, and an air permeable net 3 is installed inside the air hole 13. By starting the heat dissipation fan 5, air is blown to the internal stator harness 12 and the rotor frame. The wind is introduced into the air holes 13 of the rear shell 2 along the channel through the front shell 1 and the rear shell 2 as the rotor bracket 14 rotates to form flowing air, which can cool the heat generated by the internal electromagnetic induction. In addition, a dustproof net 6 and an air permeable net 3 are provided to prevent the entry of dust during heat dissipation. The stator harness 12 can be quickly clamped and fixed by clamping and squeezing between the sleeve 18 of the front shell 1 and the plug rod 11 of the rear shell 2. The rubber pad 10 is provided on the outside of the stator harness 12, which can effectively relieve the clamping force. By providing a limiting frame 16 on the outer wall of the rotating shaft 7, the rotors are fixed to the limiting frame 16 by bolts, so that the rotor bracket 14 is symmetrically arranged with the stator harness 12 as the center.

[0038] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A fixing structure of a stator of a single-stator dual-rotor axial flux motor, comprising a front shell (1), a rear shell (2), a breathable net (3), a cooling fan (5), a rotating shaft (7), a rubber pad (10), a plug rod (11), a stator harness (12) and a rotor bracket (14), characterized in that: The front end of the rear shell (2) is fixedly connected to a plurality of equally spaced plug rods (11), the outer wall of the plug rod (11) is slidably connected to a stator harness (12), the middle part of the stator harness (12) is rotatably connected to a rotating shaft (7), the outer wall of the rotating shaft (7) is symmetrically provided with a limit frame (16) with the stator harness (12) as the center, the outer wall of the limit frame (16) is fixedly connected to the middle part of a fixing ring (15) of a rotor bracket (14) by bolts, the interior of the rear shell (2) is provided with an air vent (13), the interior of the air vent (13) is provided with an air permeable net (3), the front end of the front shell (1) is fixedly installed with a heat dissipation fan (5), the air inlet of the heat dissipation fan (5) is provided with a dustproof net (6), and the outer wall of the stator harness (12) is provided with a rubber pad (10).

2. The fixing structure of the stator of a single-stator dual-rotor axial flux motor according to claim 1 is characterized in that: The front shell (1) and the rear shell (2) are fixedly connected by bolts.

3. The fixing structure of the stator of a single-stator dual-rotor axial flux motor according to claim 1 is characterized in that: A sleeve (18) is fixedly connected to the interior of the front shell (1), the sleeve (18) corresponds to the position of the plug rod (11) and is sleeved on the outer wall of the plug rod (11), and the outer wall of the sleeve (18) is tightly fitted to the outer wall of the rubber pad (10).

4. The fixing structure of the stator of a single-stator dual-rotor axial flux motor according to claim 1 is characterized in that: A plurality of magnetic poles (17) are fixedly connected around the outer wall of the rotor support (14), and the outer wall of the rotor support (14) is slidably connected to the interior of the front shell (1) and the interior of the rear shell (2).

5. The fixing structure of the stator of a single-stator dual-rotor axial flux motor according to claim 1, characterized in that: The bottom end of the rear shell (2) is fixedly connected to a base (8).

6. The fixing structure of the stator of a single-stator dual-rotor axial flux motor according to claim 1, characterized in that: The rear end of the rear shell (2) is fixedly connected to a rear cover (4) via bolts, and a heat dissipation fan (5) is fixedly mounted on the outer wall of the rear cover (4).

7. The fixing structure of the stator of a single-stator dual-rotor axial flux motor according to claim 1, characterized in that: The two ends of the rotating shaft (7) are rotatably connected to the middle part of the front shell (1) and the middle part of the rear cover (4) respectively.

8. The fixing structure of the stator of a single-stator dual-rotor axial flux motor according to claim 1, characterized in that: An electric wire (9) is provided on the outer wall of the rear shell (2), and one end of the electric wire (9) is fixedly connected to the outer wall of the stator wire harness (12).

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