Drying machine assembly of washing and drying all-in-one machine
By sealing the motor core and winding together and combining it with the air wheel, air duct and heating pipe, the problem of easy oxidation of aluminum wire motors is solved, and the service life of the dryer and the corrosion resistance and moisture resistance of the overall structure are improved.
Patent Information
- Application Number
- CN202421596309.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-08
AI Technical Summary
In the existing drum washing machine drying device, aluminum wire motors are prone to oxidation, resulting in deterioration in performance, shortening of life, and possibly causing fires.
By plastically sealing the motor core and windings together and combining them with the wind wheel, air duct and heating pipe, the plastic sealing is made using BMC thermosetting materials, which increases the corrosion resistance and moisture resistance of the overall structure.
It effectively avoids oxidation of the aluminum wire of the motor, improves the service life of the dryer, reduces motor noise, and enhances the corrosion resistance and moisture resistance of the overall structure.
Smart Images

Figure CN222847041U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of washing and drying integrated machines, and particularly relates to a drying machine assembly of a washing and drying integrated machine. Background Art
[0002] In a drying device of a drum washing machine, most of the drying machine motors use aluminum wires to wind the stator in series. The aluminum wire motor itself has the characteristic of being easily oxidized. When it is in contact with air for a long time, aluminum oxide will be generated. The resistance of the joint or welding part becomes larger or even overheats and burns out. The performance of the aluminum wire motor will also deteriorate over time. Not only is the service life greatly reduced, but it is also more likely to be oxidized after welding, resulting in early corrosion and peeling, poor contact, or an increase in resistance, easy heating, and even fire.
[0003] How to solve the defect that the aluminum wire motor is easily oxidized, improve the service life of the aluminum wire motor, combine the motor with the wind wheel, the air duct and the heating pipe, and improve the overall service life and combination efficiency of the drying machine is the technical problem that we urgently need to solve at present. Content of the Utility Model
[0004] The purpose of the utility model is to provide a drying machine assembly of a washing and drying integrated machine to solve the above technical problems existing in the prior art.
[0005] According to the above purpose, the basic technical solution of the utility model is: a drying machine assembly of a washing and drying integrated machine, including an iron core, and a winding concentric with the iron core is arranged inside the iron core. It is characterized in that: the iron core and the winding are integrally potted in a potting body, one side of the potting body is provided with a flange, the outer edge of the flange is connected with a housing, the inner side of the flange and / or the potting body is provided with a rotor through a bearing, the rotor is installed on a rotor shaft, a wind wheel concentrically sleeved outside the potting body is installed on the rotor shaft, one side of the housing is connected with an air duct, a heating pipe is arranged on the air duct, and the heating pipe is connected in series with a thermostat.
[0006] Further, a cable guiding bracket is arranged on one side surface of the air duct at the front and rear ends of the heating pipe.
[0007] Furthermore, the cable guiding bracket is integrally in a "J" shape and protrudes around the heating pipe.
[0008] Further, the wind wheel is in a thin-wall shape and has the same outer shape as the potting body, and fan blades are arranged at the end of the wind wheel far from the installation and fixing end.
[0009] More specifically, the fan blades are integrally in a cylindrical shape, and the wall of the cylindrical shape is provided with blades in a ratchet shape, and the blades as a whole are arranged at an acute angle to the rotation radius of the fan blades.
[0010] In the above-mentioned washer-dryer and dryer assembly, the plastic sealing body is sealed with BMC thermosetting material.
[0011] More specifically, the windings are wound in series using aluminum wires.
[0012] Furthermore, the cover shell is connected to the air duct via a sealing strip.
[0013] Compared with the prior art, the advantages and beneficial effects of the utility model are:
[0014] 1. The utility model seals the motor core and winding together, connects the wind wheel through the rotor shaft, connects the air duct through the cover, and arranges a heating tube with a thermostat in the air duct, which can not only effectively prevent the oxidation of the motor aluminum wire, but also prolong the service life of the overall dryer assembly;
[0015] 2. The heating tube of the utility model is provided with a cable guide bracket, which can tie the wire harness of the heating tube to the bracket, effectively avoiding the contact between the wire harness and the heating tube, avoiding the damage of the wire harness, and straightening the wire harness, making the overall wire harness connection of the dryer more concise and more beautiful;
[0016] 3. The utility model installs the wind wheel outside the plastic package, which improves the rigidity of the installation connection, has good insulation performance, and reduces the motor noise;
[0017] 4. The utility model adopts the integral assembly of stator and rotor, with high concentricity consistency, small vibration, small air gap, long service life, corrosion resistance and moisture resistance. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model product;
[0019] Figure 2 It is a three-dimensional structural schematic diagram of the utility model product;
[0020] Figure 3 This is a front view structural diagram of the utility model product;
[0021] Figure 4 for Figure 3 AA cross-sectional structural diagram;
[0022] Figure 5 It is a rear view structural diagram of the utility model product;
[0023] In the figure: 1. flange; 2. iron core; 3. winding; 4. bearing; 5. rotor; 6. plastic package; 7. cover; 8. wind wheel; 9. rotor shaft; 10. fan blade; 11. heating tube; 12. thermostat; 13. air duct; 14. cable guide bracket. DETAILED DESCRIPTION
[0024] Combination Figures 1 to 5 , is a schematic diagram of the principle structure of an embodiment of a washing and drying machine assembly of the utility model, the washing and drying machine assembly comprises an iron core 2, a winding 3 concentric with the iron core 2 is arranged in the iron core 2, the iron core 2 and the winding 3 are plastic-sealed in a plastic sealing body 6 together, a flange 1 is arranged on one side of the plastic sealing body 6, the outer edge of the flange 1 is connected to a cover 7, a rotor 5 is arranged on the inner side of the flange 1 and / or the plastic sealing body 6 through a bearing 4, the rotor 5 is mounted on a rotor shaft 9, a wind wheel 8 concentrically sleeved on the outside of the plastic sealing body 6 is mounted on the rotor shaft 9, an air duct 13 is connected to one side of the cover 7, a heating tube 11 is arranged on the air duct 13, and the heating tube 11 is connected in series with a thermostat 12.
[0025] Preferably, a cable guide bracket 14 is provided on one side surface of the air duct 13 at the front and rear ends of the heating tube 11. The cable guide bracket 14 is in the shape of a "J" as a whole, protruding from the periphery of the heating tube 11, and can provide support for the heating tube and thermostat binding wire harness, and can also provide binding support for the power wire harness.
[0026] Preferably, the wind wheel 8 is thin-walled and has the same outer shape as the plastic package body 6. The wind wheel 8 is provided with fan blades 10 away from the mounting fixed end. The fan blades 10 are cylindrical as a whole. The cylindrical wall is provided with ratchet-shaped blades. The blades are arranged at an acute angle to the rotation radius of the fan blades 10 as a whole.
[0027] In the above-mentioned washer-dryer and dryer assembly, the plastic package body 6 is plastic packaged with BMC thermosetting material, and the winding 3 is wound in series with aluminum wire.
[0028] Preferably, in order to improve the strength of the flange 2 , the outer surface of the flange 1 away from the iron core 2 is provided with reinforcing ribs, and the reinforcing ribs are in the shape of triangular sheets and are evenly distributed on the outer surface of the flange 1 circumferentially.
[0029] In the above-mentioned washing and drying machine assembly, the plastic sealing body 6 is plastic sealed with BMC thermosetting material, which has a long service life and is corrosion-resistant and moisture-resistant; BMC (DMC) material is the abbreviation of Bulk (Dough) molding compounds, that is, bulk molding compound. It is often called unsaturated polyester bulk molding compound in China. Its main raw materials are GF (chopped glass fiber), UP (unsaturated resin), MD (filler calcium carbonate) and various additives that are fully mixed to form a bulk prepreg. Because BMC bulk molding compound has excellent electrical properties, mechanical properties, heat resistance, chemical corrosion resistance, and is adaptable to various molding processes, it can meet the performance requirements of various products. Bulk molding compound (BMC) is a thermosetting plastic in which various inert fillers, fiber reinforcements, catalysts, stabilizers and pigments are mixed to form an adhesive "putty-like" composite material for compression molding or injection molding. Bulk molding compound (BMC) is highly filled and reinforced with short fibers, with glass fiber reinforcement accounting for 10% to 30%. The length is usually between 1 / 32 inch and 1 / 2 inch (12.5mm). The material has good heat dissipation performance; the protection level reaches IP43.
[0030] Depending on the final application, the formulated composite materials can be precisely sized, flame retardant and anti-tracking, with high dielectric strength, corrosion resistance and stain resistance, excellent mechanical properties, low shrinkage and stable color. Bulk molding compound (BMC) has excellent flow characteristics and insulation and flame retardancy, and is very suitable for various applications requiring precise details and dimensions. The material is available in 75 colors and can withstand powder spray or water-based paint.
[0031] The winding 3 is wound in series with aluminum wire, and the cover shell 7 is provided with screw holes connected to the external air duct. The cover shell 7 is connected to the external air duct through a sealing strip. When connecting, just buckle the external air duct 13 shell on the cover shell 7, align the sealing strip, and then tighten it with screws.
[0032] When assembling, combine Figure 4First, arrange the flange 1, the core 2 and the winding 3, connect the flange 1 with the outlet clamp, put the small end cover of the bearing 4 of the rotor shaft 9, put it into the plastic sealing mold, and plastic seal the whole; insert the rotor shaft 9 into the rotor 5, rivet the two ends together, clamp the two ends of the rotor shaft 9 into the retaining spring, press the two bearings 4 through the inner ring on the outside of the retaining spring, put red steel paper into the inner hole of the small end cover of the plastic sealing body 6, insert the rotor shaft 9 with the bearing 4 into the small end cover of the plastic sealing body 6, pay attention to the outer ring of the bearing 4 and the small end cover Slide fit and press into place, then insert the corrugated gasket and red steel paper along the rotor shaft 9 on the bearing 4 at the other end of the rotor shaft 9, and press the large end cover into the flange 1; turn over the plastic package body 6, and insert the graphite gasket, rubber sleeve and flat gasket in sequence on the rotor shaft 9 exposed from the plastic package body 6. Pay attention to press the flat gasket onto the step of the rotor shaft 9, insert the wind wheel 8, screw in the flange nut, and lock it; then install the heating tube 11 and the thermostat 12 into the air duct 13, insert the sealing strip around the air duct 13, and connect it to the cover 7 as a whole through screws.
[0033] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.
[0034] Although this article uses more terms such as: 1. flange; 2. iron core; 3. winding; 4. bearing; 5. rotor; 6. plastic package; 7. cover; 8. wind wheel; 9. rotor shaft; 10. fan blade; 11. heating tube; 12. thermostat; 13. air duct; 14. cable guide bracket, it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.
[0035] The above is an introduction to the washer-dryer and dryer assembly provided by the utility model. In the introduction, specific preferred embodiments are used to illustrate the principles and implementation methods of the utility model. These embodiments are only used to help understand the principles and core ideas of the utility model. It should be pointed out that for ordinary technicians in this field, without departing from the design ideas of the utility model, the implementation plans in the above embodiments can be further combined or replaced, and the utility model can be improved and modified. These improvements and modifications also fall within the scope of protection of the claims of the utility model.
Claims
1. A washer-dryer assembly, comprising an iron core (2), wherein a winding (3) concentric with the iron core (2) is provided in the iron core (2), characterized in that: The described iron core (2) and the winding (3) are integrally potted in a potting body (6). One side of the potting body (6) is provided with a flange (1). The outer edge of the flange (1) is connected with a housing (7). The inner side of the flange (1) and / or the potting body (6) is provided with a rotor (5) through a bearing (4). The rotor (5) is mounted on a rotor shaft (9). A wind wheel (8) concentrically sleeved outside the potting body (6) is mounted on the rotor shaft (9). One side of the housing (7) is connected with an air duct (13). A heating pipe (11) is provided on the air duct (13). The heating pipe (11) is connected in series with a thermostat (12).
2. The washer-dryer-dryer assembly according to claim 1, characterized in that: On one side surface of the air duct (13) at the front and rear ends of the heating pipe (11), a cable guiding bracket (14) is provided.
3. The washer-dryer assembly according to claim 2, characterized in that: The cable guiding bracket (14) is integrally in a "U" shape and protrudes around the heating pipe (11).
4. The washer-dryer-dryer assembly according to claim 1, characterized in that: The wind wheel (8) is in a thin-wall shape and has the same outer shape as the potting body (6). A fan blade (10) is provided at the end of the wind wheel (8) away from the installation and fixing end.
5. The washer-dryer-dryer assembly according to claim 4, characterized in that: The fan blade (10) is integrally in a cylindrical shape. Spindle-shaped blades are provided on the wall of the cylindrical shape. The blades as a whole are arranged at an acute angle to the rotation radius of the fan blade (10).
6. The washer-dryer-dryer assembly according to any one of claims 1 to 5, characterized in that: The potting body (6) is potted with BMC thermosetting material.
7. The washer-dryer-dryer assembly according to claim 6, characterized in that: The winding (3) is wound in series with aluminum wire.
8. The washer-dryer-dryer assembly according to claim 1, characterized in that: The housing (7) is connected with the air duct (13) through a sealing strip.