Motor end cover structure, motor and clothes dryer

Abstract

The utility model discloses a motor end cover structure, a motor and a clothes dryer, and relates to the technical field of motor equipment, the motor end cover structure comprises an end cover and a hanging corner, the end cover comprises an end plate and a side coaming, the side coaming is arranged at the inner side of the end plate, and the outer side of the side coaming is provided with a flange; the hanging corner comprises a main body part and an extension plate, the main body part is located on the peripheral side of the end cover and used for installing the secondary transmission device, one end of the extension plate is connected with the main body part, the other end of the extension plate is a free end, the free end of the extension plate extends towards the end plate and is attached to the outer side face of the end plate, and the extension plate is connected with the end plate through a connecting structure. The extension plate extends towards the flange to form a mounting convex column, and the mounting convex column is connected with the flange; the end plate is provided with a convex rib opposite to the free end of the extension plate, the convex rib defines a positioning groove matched with the free end of the extension plate, the free end of the extension plate can be positioned, circumferential displacement of the extension plate relative to the end cover is avoided, and the assembling and matching precision between the extension plate and the end cover is ensured.

Description

Technical Field

[0001] This utility model relates to the field of motor equipment technology, and in particular to a motor end cover structure, a motor, and a clothes dryer. Background Technology

[0002] Single-phase asynchronous motors used in dryers typically employ two drive methods: direct single-stage drive and adjustable two-stage drive. Compared to single-stage drive, two-stage drive offers more flexible output adjustment to meet different operating requirements. Currently, the two-stage drive system of these motors often uses a design that integrates the cast aluminum end cap with the aluminum pulley mount. While this design simplifies the structure and improves stability, the higher material costs lead to an increase in overall manufacturing costs, limiting further cost optimization. Utility Model Content

[0003] The main purpose of this utility model is to propose a motor end cover structure, a motor, and a clothes dryer, aiming to provide a low-cost motor end cover structure with high fitting precision.

[0004] To achieve the above objectives, the motor end cover structure proposed in this utility model includes:

[0005] An end cap, comprising an end plate and a side panel, the side panel being disposed on the inner side of the end plate, and a flange being provided on the outer side of the side panel; and,

[0006] The hanging corner includes a main body and an extension plate. The main body is located on the periphery of the end cover and is used for mounting a secondary transmission device. One end of the extension plate is connected to the main body, and the other end is a free end. The free end of the extension plate extends toward the end plate and is attached to the outer side of the end plate. The extension plate is connected to the end plate through a connecting structure. The extension plate extends toward the flange and has a mounting protrusion. The mounting protrusion is connected to the flange.

[0007] The end plate is provided with a protruding rib opposite to the free end of the extension plate, and the protruding rib defines a positioning groove that mates with the free end of the extension plate.

[0008] In one embodiment, the rib is arranged in a ring shape, and the outer side wall of the rib is recessed to form the positioning groove.

[0009] In this embodiment, the connection structure includes a first connection hole disposed on the end plate and a second connection hole disposed on the extension plate, the extension plate being used to be fixedly connected to the end plate by a first connector passing through the first connection hole and the second connection hole.

[0010] In this embodiment, the first connecting hole is provided corresponding to the positioning groove, and the free end of the extension plate is provided with the second connecting hole.

[0011] In one embodiment, the mounting protrusion is provided with a third connecting hole, and the flange is provided with a fourth connecting hole. The mounting protrusion is used to be fixedly connected to the flange by a second connector passing through the fourth connecting hole and the third connecting hole.

[0012] In one embodiment, a positioning protrusion is partially provided on the end face of the mounting protrusion, the positioning protrusion being positioned and engaged with the fourth connecting hole, and the end face of the positioning protrusion being provided with the third connecting hole.

[0013] In one embodiment, the third connecting hole is configured as a threaded hole.

[0014] In one embodiment, one end of the extension plate is provided with a mounting protrusion for mounting the main body;

[0015] The extension plate is also provided with reinforcing ribs, which extend from the side wall of the mounting protrusion in a direction away from the mounting protrusion.

[0016] This utility model also provides an electric motor, the electric motor including a motor end cover structure, the motor end cover structure comprising:

[0017] An end cap, comprising an end plate and a side panel, the side panel being disposed on the inner side of the end plate, and a flange being provided on the outer side of the side panel; and,

[0018] The hanging corner includes a main body and an extension plate. The main body is located on the periphery of the end cover and is used for mounting a secondary transmission device. One end of the extension plate is connected to the main body, and the other end is a free end. The free end of the extension plate extends toward the end plate and is attached to the outer side of the end plate. The extension plate is connected to the end plate through a connecting structure. The extension plate extends toward the flange and has a mounting protrusion. The mounting protrusion is connected to the flange.

[0019] The end plate is provided with a protruding rib opposite to the free end of the extension plate, and the protruding rib defines a positioning groove that mates with the free end of the extension plate.

[0020] This utility model also provides a clothes dryer, the clothes dryer including a motor, the motor including a motor end cover structure, the motor end cover structure including:

[0021] An end cap, comprising an end plate and a side panel, the side panel being disposed on the inner side of the end plate, and a flange being provided on the outer side of the side panel; and,

[0022] The hanging corner includes a main body and an extension plate. The main body is located on the periphery of the end cover and is used for mounting a secondary transmission device. One end of the extension plate is connected to the main body, and the other end is a free end. The free end of the extension plate extends toward the end plate and is attached to the outer side of the end plate. The extension plate is connected to the end plate through a connecting structure. The extension plate extends toward the flange and has a mounting protrusion. The mounting protrusion is connected to the flange.

[0023] The end plate is provided with a protruding rib opposite to the free end of the extension plate, and the protruding rib defines a positioning groove that mates with the free end of the extension plate.

[0024] In the technical solution of this utility model, the motor end cover structure includes an end cover and a hanging corner. The main body of the hanging corner is located on the periphery of the end cover and is used for the installation of a secondary transmission device. One end of the extension plate of the hanging corner is connected to the main body, and the other end, i.e., the free end, extends towards the end plate of the end cover and is in contact with the outer side of the end plate. The hanging corner is connected to the end plate through a connecting structure. The mounting protrusion of the extension plate is connected to the flange on the outer side of the side panel, so that the hanging corner can be assembled with the end cover. When assembling the hanging corner with the end cover, by providing a rib on the end plate that is opposite to the free end of the extension plate, and the rib defining a positioning groove that mates with the free end of the extension plate, the free end of the extension plate can be positioned, avoiding circumferential displacement of the extension plate relative to the end cover, and ensuring the accuracy of the assembly and fit between the extension plate and the end cover. Attached Figure Description

[0025] 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 of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0026] Figure 1 A schematic diagram of an embodiment of the motor end cover structure provided by this utility model;

[0027] Figure 2 for Figure 1 Another structural schematic diagram of the motor end cover structure;

[0028] Figure 3 for Figure 1 Schematic diagram of the middle end cap;

[0029] Figure 4 for Figure 1 Schematic diagram of the structure of the center hanging corner;

[0030] Figure 5 for Figure 4 A structural diagram from another perspective of the hanging angle.

[0031] Explanation of icon numbers:

[0032] 100. Motor end cover structure; 1. End cover; 11. End plate; 111. Rib; 111a. Positioning groove; 111b. First connecting hole; 12. Side panel; 13. Flange; 13a. Fourth connecting hole; 2. Hanging corner; 21. Main body; 22. Extension plate; 22a. Second connecting hole; 221. Mounting protrusion; 221a. Third connecting hole; 2211. Positioning protrusion; 222. Mounting protrusion; 223. Reinforcing rib; 3. Connecting structure; 31. First connecting piece; 32. Second connecting piece.

[0033] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0034] The technical solutions of the present utility model 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 utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0036] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution that simultaneously satisfies A and B. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0037] Single-phase asynchronous motors used in dryers typically employ two drive methods: direct single-stage drive and adjustable two-stage drive. Compared to single-stage drive, two-stage drive offers more flexible output adjustment to meet different operating requirements. Currently, the two-stage drive system of these motors often uses a design that integrates the cast aluminum end cap with the aluminum pulley mount. While this design simplifies the structure and improves stability, the higher material costs lead to an increase in overall manufacturing costs, limiting further cost optimization.

[0038] This utility model proposes a motor end cover structure 100, which aims to provide a low-cost motor end cover structure with high fitting accuracy.

[0039] Please see Figure 1 and Figure 2 In one embodiment of this utility model, the motor end cover structure 100 includes an end cover 1 and a hanging corner 2. The end cover 1 includes an end plate 11 and a side plate 12. The side plate 12 is disposed on the inner side of the end plate 11, and a flange 13 is provided on the outer side of the side plate 12. The hanging corner 2 includes a main body 21 and an extension plate 22. The main body 21 is located on the periphery of the end cover 1 and is used for mounting a secondary transmission device. One end of the extension plate 22 is connected to the main body 21, and the other end is a free end. The free end of the extension plate 22 extends toward the end plate 11 and is attached to the outer side of the end plate 11. The extension plate 22 is connected to the end plate 11 through the connecting structure 3. The extension plate 22 extends toward the flange 13 with a mounting protrusion 221, which is connected to the flange 13. The end plate 11 is provided with a rib 111 opposite to the free end of the extension plate 22. The rib 111 defines a positioning groove 111a that mates with the free end of the extension plate 22.

[0040] It is understood that the motor end cover structure 100 consists of an end cover 1 and a hanging corner 2. The end cover 1 includes an end plate 11 and a side plate 12. The side plate 12 is located inside the end plate 11, and the flange 13 is provided on the outer side of the side plate 12.

[0041] The hanging corner 2 is composed of the main body 21 and the extension plate 22. The main body 21 is used to install the secondary transmission device. One end of the extension plate 22 is connected to the main body 21, and the other end is a free end. The free end extends towards the end plate 11 and is attached to the outer surface of the end plate 11.

[0042] The extension plate 22 is connected to the end plate 11 via the connecting structure 3. The free end extends to the flange 13 and is provided with the mounting post 221, which is connected to the flange 13.

[0043] The connection structure 3 can be connected by bolts, that is, by using components such as bolts, nuts and washers to fix the extension plate 22 and the end plate 11 through holes, so as to have good strength and detachability.

[0044] The connection structure 3 can also be in the form of adhesive bonding, riveting, or snap-fitting, etc. The specific design can be made according to the actual situation, and the embodiments in this specification do not limit it.

[0045] It is understood that the mounting protrusion 221 is connected to the flange 13, and the connection between the two can be in the form of screwing, bonding, riveting or snap-fitting, etc. The specific design can be made according to the actual situation, and this specification does not limit this embodiment.

[0046] The end plate 11 also has a rib 111 opposite to the free end of the extension plate 22. The rib 111 has a positioning groove 111a so as to cooperate with the free end of the extension plate 22.

[0047] It is understood that the rib 111 can be composed of multiple rib 111 segments, forming a U-shaped groove or V-shaped groove between two adjacent rib 111 segments, so that the free end of the extension plate 22 can be embedded in the groove, providing a good positioning effect.

[0048] In the technical solution of this utility model, the motor end cover structure 100 includes an end cover 1 and a hanging corner 2. The main body 21 of the hanging corner 2 is located on the periphery of the end cover 1 and is used for mounting a secondary transmission device. One end of the extension plate 22 of the hanging corner 2 is connected to the main body 21, and the other end, i.e., the free end, extends toward the end plate 11 of the end cover 1 and is attached to the outer side of the end plate 11. The hanging corner 2 is connected to the end plate 11 through a connecting structure 3. The mounting protrusion 221 of the extension plate 22 is attached to the outer side of the side panel 12. The flange 13 is connected so that the hanging corner 2 can be assembled with the end cap 1. When assembling the hanging corner 2 with the end cap 1, a rib 111 is provided on the end plate 11 opposite to the free end of the extension plate 22, and the rib 111 defines a positioning groove 111a that mates with the free end of the extension plate 22. This can position the free end of the extension plate 22, prevent the extension plate 22 from shifting circumferentially relative to the end cap 1, and ensure the accuracy of the assembly fit between the extension plate 22 and the end cap 1.

[0049] Specifically, please refer to Figure 1 and Figure 3 In this embodiment, the rib 111 is arranged in a ring shape, and the outer side wall of the rib 111 is recessed to form the positioning groove 111a.

[0050] Understandably, the rib 111 is arranged in a ring shape, extending circumferentially along the end cap 1. Thus, the rib 111 increases the overall strength and stability of the end cap 1 structure, especially when it needs to withstand uniformly distributed forces or pressures. The outer wall portion of the rib 111 is recessed to form the positioning groove 111a, allowing the free end of the extension plate 22 to be precisely embedded within the rib 111 as it approaches its side, achieving better positioning. The recessed portion can transition into the free end of the extension plate 22, preventing loosening or misalignment during assembly.

[0051] By setting the positioning groove 111a, the free end of the extension plate 22 can be guided and fixed, improving the fitting accuracy between components, reducing the movement and vibration of parts during use, and thus improving the reliability of the entire structure. During assembly, quick alignment can be achieved, reducing assembly errors, lowering assembly difficulty, and improving efficiency. In summary, the annular arrangement of the rib 111 and the recessed design of its outer wall not only provide effective positioning and connection in function but also bring convenience in the manufacturing and assembly process, improving the performance and reliability of the overall device.

[0052] Specifically, please refer to Figure 3 and Figure 4 In this embodiment, the connection structure 3 includes a first connection hole 111b disposed on the end plate 11 and a second connection hole 22a disposed on the extension plate 22. The extension plate 22 is used to be fixedly connected to the end plate 11 by a first connector 31 passing through the first connection hole 111b and the second connection hole 22a.

[0053] It is understood that the connecting structure 3 includes a first connecting hole 111b and a second connecting hole 22a. The first connecting hole 111b is a hole located on the end plate 11, used to receive a first connecting member 31 (such as a bolt or pin), providing a connection point with the extension plate 22. The second connecting hole 22a is a hole located on the extension plate 22, with a similar function to the first connecting hole 111b, also used to receive a connecting member to form a fixed connection. The first connecting member 31 refers to a specific component used to connect the end plate 11 and the extension plate 22, which can be a bolt, screw, rivet, etc., designed to form a strong mechanical connection by passing through the two connecting holes.

[0054] Both the first connecting hole 111b and the second connecting hole 22a can be configured as through holes. Alternatively, the first connecting hole 111b can be configured as a threaded hole, and can be screwed to the first connecting hole 111b by the first connecting member 31 with external threads.

[0055] A stable connection between the end plate 11 and the extension plate 22 is achieved by passing the first connector 31 through the first connecting hole 111b and the second connecting hole 22a. This provides good load-bearing capacity and structural stability. The design of the connecting holes and connectors makes the assembly process simple and straightforward, and easy to operate. At the same time, disassembly is relatively easy if maintenance or replacement of parts is required, improving maintainability.

[0056] Further, please refer to Figure 3 In this embodiment, the first connecting hole 111b is provided corresponding to the positioning groove 111a, and the free end of the extension plate 22 is provided with the second connecting hole 22a.

[0057] Thus, when the positioning groove 111a is formed on the side wall of the rib 111, a large mounting surface is formed at the end cap 1 for the free end of the extension plate 22 to fit against. The first connecting hole 111b is positioned corresponding to the positioning groove 111a, so that the first connecting hole 111b can be positioned at the mounting surface. When the extension plate 22 is connected to the end cap 1, a large contact surface is formed, providing good support and enhancing the stability of the connection.

[0058] Specifically, please refer to Figures 3 to 5 In this embodiment, the mounting protrusion 221 is provided with a third connecting hole 221a, and the flange 13 is provided with a fourth connecting hole 13a. The mounting protrusion 221 is used to be fixedly connected to the flange 13 by a second connector 32 passing through the fourth connecting hole 13a and the third connecting hole 221a.

[0059] The third connecting hole 221a is provided on the mounting protrusion 221 for receiving the second connecting member 32 (such as a bolt, screw, etc.) to facilitate the connection between the mounting protrusion 221 and the flange 13. The flange 13 is another structural part connected to the mounting protrusion 221, used to increase strength and provide a connection surface. The fourth connecting hole 13a is provided on the flange 13 for receiving the second connecting member 32 that mates with the third connecting hole 221a. The second connecting member 32 can be a bolt, screw, or other type of connecting member. By passing it through the third connecting hole 221a and the fourth connecting hole 13a, a fixed connection between the two is achieved.

[0060] By providing connecting holes on the mounting protrusion 221 and the flange 13, and connecting them through the second connector 32, the strength and stability of the connection can be guaranteed, making it suitable for withstanding certain external forces. This also makes the assembly process more intuitive and simple, allowing for quick identification of connection points and assembly, reducing the possibility of errors. The use of connecting holes and the detachable second connector 32 allows for quick and convenient disassembly when maintenance or component replacement is required, improving the maintainability of the equipment.

[0061] Further, please refer to Figure 3 and Figure 4 In this embodiment, the end face of the mounting protrusion 221 is partially provided with a positioning protrusion 2211, the positioning protrusion 2211 is positioned and engaged with the fourth connecting hole 13a, and the end face of the positioning protrusion 2211 is provided with the third connecting hole 221a.

[0062] Thus, the fourth connecting hole 13a can not only serve as a connecting hole, but also as a positioning hole when the mounting protrusion 221 is installed onto the flange 13. By positioning the positioning protrusion 2211 at the fourth connecting hole 13a, the lower end of the extension is positioned, so that the third connecting hole 221a and the fourth connecting hole 13a can be aligned, which facilitates assembly.

[0063] Specifically, in this embodiment, the third connecting hole 221a is configured as a threaded hole. Thus, the second connecting member 32 only needs to pass through the fourth connecting hole 13a and be screwed into the third connecting hole 221a, without the need for a separate locking nut, to achieve the fixed screw connection between the extension plate 22 and the end cap 1.

[0064] Further, please refer to Figure 5 In this embodiment, one end of the extension plate 22 is provided with a mounting protrusion 222 for mounting the main body 21; the extension plate 22 is also provided with a reinforcing rib 223, which extends from the side wall of the mounting protrusion 222 in a direction away from the mounting protrusion 222.

[0065] The mounting protrusion 222 is a protrusion structure provided at one end of the extension plate 22, used to connect with the main body 21 to ensure a reliable connection between the extension plate 22 and the main body 21.

[0066] The reinforcing rib 223 is an additional structure provided on the extension plate 22 to enhance the strength and rigidity of the extension plate 22. It can be a longitudinal or transverse protrusion or rib-like structure, with the purpose of increasing the component's resistance to bending and deformation.

[0067] Specifically, in this embodiment, the reinforcing rib 223 extends from the side wall of the mounting protrusion 222 in a direction away from the mounting protrusion 222. This arrangement distributes the load applied to the extension plate 22, effectively improving the bending and deformation resistance of the extension plate 22, and particularly reducing the risk of damage due to stress concentration when subjected to external forces or loads.

[0068] With the rationally designed reinforcing ribs 223, the extension plate 22 can withstand greater loads, adapt to more complex application scenarios, and improve the overall structural load-bearing capacity. Because the design of the extension plate 22 enhances its strength and stability, the overall structural durability is improved, enabling it to maintain good performance over long periods of use and reducing the frequency of maintenance and replacement.

[0069] This utility model also proposes an electric motor, which includes a rotor, a stator and a motor end cover structure 100. The specific structure of the motor end cover structure 100 is as described in the above embodiments. Since this motor adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0070] Specifically, the motor is a single-phase asynchronous motor. It should be noted that a single-phase asynchronous motor uses a single-phase AC power source (such as a household power grid) as its power source. Compared to a three-phase asynchronous motor, it does not require a three-phase power supply and is suitable for situations with relatively simple power conditions. The working principle of a single-phase asynchronous motor is based on electromagnetic induction. When the stator windings are energized, a rotating magnetic field is generated. Under the influence of this magnetic field, the rotor generates an induced current and rotates due to the force exerted on it.

[0071] This utility model also proposes a clothes dryer, which includes a drum and a motor. The specific structure of the motor is as described in the above embodiments. Since this clothes dryer adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0072] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A motor end cover structure, characterized in that, include: An end cap, comprising an end plate and a side panel, the side panel being disposed on the inner side of the end plate, and a flange being provided on the outer side of the side panel; and, The hanging corner includes a main body and an extension plate. The main body is located on the periphery of the end cover and is used for mounting a secondary transmission device. One end of the extension plate is connected to the main body, and the other end is a free end. The free end of the extension plate extends toward the end plate and is attached to the outer side of the end plate. The extension plate is connected to the end plate through a connecting structure. The extension plate extends toward the flange and has a mounting protrusion. The mounting protrusion is connected to the flange. The end plate is provided with a protruding rib opposite to the free end of the extension plate, and the protruding rib defines a positioning groove that mates with the free end of the extension plate.

2. The motor end cover structure as described in claim 1, characterized in that, The ribs are arranged in a ring shape, and the outer side wall of the ribs is recessed to form the positioning groove.

3. The motor end cover structure as described in claim 1 or 2, characterized in that, The connection structure includes a first connection hole provided on the end plate and a second connection hole provided on the extension plate. The extension plate is used to be fixedly connected to the end plate through a first connector passing through the first connection hole and the second connection hole.

4. The motor end cover structure as described in claim 3, characterized in that, The first connecting hole is provided corresponding to the positioning groove, and the free end of the extension plate is provided with the second connecting hole.

5. The motor end cover structure as described in claim 1, characterized in that, The mounting protrusion is provided with a third connecting hole, and the flange is provided with a fourth connecting hole. The mounting protrusion is used to be fixedly connected to the flange through a second connector passing through the fourth connecting hole and the third connecting hole.

6. The motor end cover structure as described in claim 5, characterized in that, The end face of the mounting post is partially provided with a positioning protrusion, which is positioned and engaged with the fourth connecting hole. The end face of the positioning protrusion is provided with the third connecting hole.

7. The motor end cover structure as described in claim 5, characterized in that, The third connecting hole is configured as a threaded hole.

8. The motor end cover structure as described in claim 1, characterized in that, One end of the extension plate is provided with a mounting protrusion for mounting the main body; The extension plate is also provided with reinforcing ribs, which extend from the side wall of the mounting protrusion in a direction away from the mounting protrusion.

9. An electric motor, characterized in that, Includes the motor end cover structure as described in any one of claims 1 to 8.

10. A clothes dryer, characterized in that, Includes the motor as described in claim 9.

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