Motor stator electric heating device with expanded heating range

Abstract

The utility model discloses a motor stator electric heating device with an expanded heating range, which comprises a bottom plate, and a mounting rod is movably mounted on the right side in the bottom plate; the moving block is movably mounted on the outer side of the mounting rod, and the outer side of the moving block is movably connected with a motor stator body; the fixing plate is fixedly mounted on the outer side of the upper end of the bottom plate, a spring is fixedly arranged on the outer side of the fixing plate, a moving rod is connected to the middle of the spring in a penetrating mode, a mounting cover is movably mounted on the inner side of the moving rod, a heater is fixedly mounted on the inner side of the mounting cover, and a coil is fixedly arranged on the inner side of the heater; a wire is arranged on the outer side of the middle of the heater, and limiting structures are fixedly installed on the front side and the rear side of the upper end of the bottom plate. According to the heating range expanding type motor stator electric heating device, the motor stator can be conveniently limited, the heating range of the electric heating device can be conveniently expanded, and an electric heating structure can be conveniently limited.

Description

Technical Field

[0001] The utility model relates to the technical field of motor stators, in particular to a motor stator electric heating device with an expanded heating range. Background Art

[0002] An electric heating device refers to a device that converts electrical energy into thermal energy. It is mainly used to heat, insulate and heat the flowing medium. The electric heating device generates heat by energizing the internal electric heating element to achieve heating of the surrounding environment or fluid. The motor stator refers to the motor stator, which is an important component of the motor. Its main function is to generate a rotating magnetic field. The stator is usually composed of a stator core, stator winding and a machine base. During the use of the motor stator, an electric heating device is needed to heat the stator to expand its inner diameter for easy installation or disassembly, thereby improving the use effect of the motor stator electric heating device.

[0003] However, most of the existing technical solutions have the following defects:

[0004] When limiting the position of the motor stator, the motor stator is placed on a placement rack for limiting the position. In actual use, the limiting effect of the motor stator by placing the motor stator on the placement rack for limiting the position is poor;

[0005] Conventional motor stator electric heating devices have poor limiting effects on the electric heating structure, thereby affecting the thermal efficiency of the motor stator.

[0006] It is not convenient to expand the heating range of a motor stator electric heating device. Therefore, the present invention provides a motor stator electric heating device with expanded heating range to solve the above-mentioned problem. Utility Model Content

[0007] The purpose of the present utility model is to provide a motor stator electric heating device with an expanded heating range, so as to solve the problem proposed in the above-mentioned background technology that the motor stator is limited by placing the motor stator on a placement rack. In actual use, the motor stator is limited by placing the motor stator on the placement rack, and the limiting effect on the motor stator is poor. The ordinary motor stator electric heating device has a poor limiting effect on the electric heating structure, which affects the motor thermal efficiency of the motor stator and is not convenient enough to expand the heating range of the motor stator electric heating device.

[0008] To achieve the above-mentioned object, the present invention provides the following technical solutions: a motor stator electric heating device with an expanded heating range, comprising a bottom plate, a mounting rod being movably mounted on the right side thereof;

[0009] Also includes:

[0010] A moving block is movably mounted on the outside of the mounting rod, and the outside of the moving block is movably connected to the motor stator body;

[0011] A fixed plate is fixedly mounted on the outer side of the upper end of the base plate, and a spring is fixedly arranged on the outer side of the fixed plate, a moving rod is connected through the middle of the spring, and a mounting cover is movably mounted on the inner side of the moving rod, a heater is fixedly mounted on the inner side of the mounting cover, a coil is fixedly arranged on the inner side of the heater, and a wire is arranged on the outer side of the middle part of the heater, and limiting structures are fixedly mounted on both the front and rear sides of the upper end of the base plate.

[0012] Preferably, the mounting rod is connected to the base plate in a rotational manner, and the mounting rod is connected to the moving block in a threaded manner.

[0013] Preferably, the moving block is connected to the motor stator body in a fitting manner, and the outer cross-section of the moving block is an arc-shaped structure.

[0014] Preferably, the movable rod and the fixed plate are connected in a sliding manner, and the movable rod and the mounting cover are connected in a snap-fit ​​manner.

[0015] Preferably, the coils are symmetrically distributed about the center line of the mounting cover and heat the motor stator body.

[0016] Preferably, the limiting structure includes a mounting plate, which is fixedly mounted on the front and rear sides of the upper end of the base plate respectively, and a connecting rod is movably mounted on the outer middle part of the mounting plate, and a movable plate is movably connected to the inner side of the connecting rod, and a limiting block is fixedly mounted on the inner side of the movable plate.

[0017] Preferably, the mounting plate and the connecting rod are connected by threads, and the connecting rod is connected to the movable plate via a bearing.

[0018] Preferably, the cross section between the movable plate and the limiting block forms a "U"-shaped structure, and the limiting block and the mounting cover are connected in a snap-fit ​​manner.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: the heating range-expanding motor stator electric heating device facilitates the positioning of the motor stator, facilitates the expansion of the heating range of the electric heating device, and facilitates the positioning of the electric heating structure;

[0020] By placing the motor stator body on the right side of the upper end of the base plate, rotating the mounting rod, so that the mounting rod rotates inside the base plate, the moving block threadedly connected to the mounting rod slides outward, and then the moving block contacts the inside of the motor stator body, so that the moving block supports and limits the motor stator body, which facilitates the positioning of the motor stator body;

[0021] The mounting cover is snap-fitted to the outside of the motor stator body, so that the mounting cover pushes the moving rod to slide outward on the middle part of the fixed plate, thereby causing the moving rod to drive the spring to extend, and then the spring drives the moving rod to slide inward and engage with the outside of the lower end of the mounting cover, and the connecting rod is rotated so that the connecting rod is threadedly connected to the outside of the middle part of the mounting plate, so that the moving plate connected to the connecting rod through the bearing drives the limit block to slide inward on the mounting plate, and then the limit block is snap-fitted to the outside of the mounting cover, which facilitates the limiting of the mounting cover.

[0022] By changing the size of the coil, the heating range can be expanded. When an alternating current passes through the wire and the coil set inside the heater, a changing magnetic field is generated. When the motor stator body is placed in this changing magnetic field, the change in the magnetic field will generate eddy currents inside the motor stator body. These eddy currents have a heating effect on the electrical resistance of the metal, thereby causing the metal to heat up. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall cross-sectional structure of the connection between the base plate and the mounting rod of the utility model;

[0024] Figure 2 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0025] Figure 3 This is a schematic diagram of the overall cross-sectional structure of the connection between the moving block and the motor stator body of the utility model;

[0026] Figure 4 This is a schematic diagram of the overall cross-sectional structure of the connection between the movable rod and the mounting cover of the utility model;

[0027] Figure 5 For this utility model Figure 4 The enlarged structural diagram at B in the middle;

[0028] Figure 6 This is a schematic diagram of the explosion structure of the heater and coil connection of the utility model.

[0029] In the figure: 1. Base plate; 2. Mounting rod; 3. Moving block; 4. Motor stator body; 5. Moving rod; 6. Mounting cover; 7. Heater; 8. Coil; 9. Wire; 10. Fixed plate; 11. Spring; 12. Mounting plate; 13. Connecting rod; 14. Moving plate; 15. Limit block. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] See also Figure 1-6 The utility model provides a technical solution: a motor stator electric heating device with an expanded heating range, comprising: a mounting rod 2 movably mounted on the right side of the bottom plate 1, a moving block 3 movably mounted on the outside of the mounting rod 2, and a motor stator body 4 movably connected to the outside of the moving block 3, the motor stator body 4 is placed on the right side of the upper end of the bottom plate 1, the mounting rod 2 is rotated, and the mounting rod 2 is rotated inside the bottom plate 1, so that the moving block 3 connected to the mounting rod 2 slides outward, and then the moving block 3 contacts the inside of the motor stator body 4, so that the moving block 3 supports and limits the motor stator body 4, which is convenient for limiting the motor stator body 4;

[0032] The fixing plate 10 is fixedly mounted on the outer side of the upper end of the base plate 1, and a spring 11 is fixedly arranged on the outer side of the fixing plate 10. The middle part of the spring 11 is connected with the moving rod 5, and the inner side of the moving rod 5 is movably mounted with a mounting cover 6. The inner side of the mounting cover 6 is fixed with a heater 7, and the inner side of the heater 7 is fixed with a coil 8, and a wire 9 is arranged on the outer side of the middle of the heater 7. The front and rear sides of the upper end of the base plate 1 are fixedly mounted with a limiting structure. The mounting cover 6 is mounted on the outer side of the motor stator body 4, so that the mounting cover 6 pushes the moving rod 5 to slide outward in the middle of the fixing plate 10, so that the moving rod 5 drives the spring 1 1 is extended, thereby causing the spring 11 to drive the moving rod 5 to slide inward and connect to the outer side of the lower end of the installation cover 6. The limiting structure is rotated to connect to the outer side of the installation cover 6, which facilitates limiting the installation cover 6. By changing the size of the coil 8, the heating range can be expanded. When the alternating current passes through the wire 9 and the coil 8 set inside the heater 7, a changing magnetic field is generated. When the motor stator body 4 is placed in this changing magnetic field, the change in the magnetic field will generate eddy currents inside the motor stator body 4. These eddy currents have a heating effect on the resistivity of the metal, thereby causing the metal to heat up.

[0033] When using the heating range expanded motor stator electric heating device, specifically Figure 1 、 Figure 2 and Figure 4In the embodiment, the motor stator body 4 is placed on the right side of the upper end of the base plate 1, the mounting rod 2 is connected to the base plate 1 in a rotating manner, and the mounting rod 2 is connected to the moving block 3 in a threaded manner, and the mounting rod 2 is rotated to rotate the mounting rod 2 inside the base plate 1, so that the moving block 3 threadedly connected to the mounting rod 2 slides outward, and then the moving block 3 contacts the inside of the motor stator body 4, and the moving block 3 is connected to the motor stator body 4 in a fitting manner, and the outer cross-section of the moving block 3 is an arc-shaped structure, so that the moving block 3 supports and limits the motor stator body 4, which is convenient for limiting the motor stator body 4;

[0034] Specific examples Figure 2 、 Figure 3 、 Figure 4 and Figure 5 In the embodiment, the mounting cover 6 is snap-fitted and mounted on the outside of the motor stator body 4, the moving rod 5 and the fixed plate 10 are connected in a sliding manner, and the moving rod 5 and the mounting cover 6 are snap-fitted, so that the mounting cover 6 pushes the moving rod 5 to slide outward in the middle of the fixed plate 10, so that the moving rod 5 drives the spring 11 to extend, and then the spring 11 drives the moving rod 5 to slide inward and snap-fitted on the outside of the lower end of the mounting cover 6, and the mounting plate 12 is connected to the connecting rod 13 in a threaded manner, and the connecting rod 13 is snap-fitted. The connecting rod 13 is connected to the movable plate 14 through a bearing. The connecting rod 13 is rotated so that the connecting rod 13 is threadedly connected to the outer side of the middle part of the mounting plate 12, so that the movable plate 14 connected to the connecting rod 13 through the bearing drives the limit block 15 to slide inward on the mounting plate 12. The cross section between the movable plate 14 and the limit block 15 forms a "U"-shaped structure, and the limit block 15 is connected to the mounting cover 6 in a snap-fit ​​manner, so that the limit block 15 is snap-fitted and connected to the outer side of the mounting cover 6, which is convenient for limiting the mounting cover 6.

[0035] Specific examples Figure 1 、 Figure 2 and Figure 6 In the embodiment, by changing the size of the coil 8, the heating range can be expanded. The coil 8 is symmetrically distributed about the center line of the mounting cover 6 and heats the motor stator body 4. When an alternating current passes through the wire 9 and the coil 8 arranged inside the heater 7, a changing magnetic field is generated. When the motor stator body 4 is placed in this changing magnetic field, the change in the magnetic field will generate eddy currents inside the motor stator body 4. These eddy currents have a heating effect on the electrical resistance of the metal, thereby causing the metal to heat up.

[0036] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology. It will not be described in detail here. The content not described in detail in this specification belongs to the existing technology known to professional and technical personnel in this field.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A motor stator electric heating device with an expanded heating range, comprising a base plate (1) with a mounting rod (2) movably mounted on the right side thereof; It is characterized by: Also includes: A moving block (3) is movably mounted on the outside of the mounting rod (2), and the outside of the moving block (3) is movably connected to the motor stator body (4); A fixed plate (10) is fixedly mounted on the outer side of the upper end of the base plate (1), and a spring (11) is fixedly arranged on the outer side of the fixed plate (10), a moving rod (5) is connected through the middle of the spring (11), and a mounting cover (6) is movably mounted on the inner side of the moving rod (5), a heater (7) is fixedly mounted on the inner side of the mounting cover (6), a coil (8) is fixedly arranged on the inner side of the heater (7), and a wire (9) is arranged on the outer side of the middle part of the heater (7), and a limiting structure is fixedly mounted on both the front and rear sides of the upper end of the base plate (1).

2. The motor stator electric heating device with expanded heating range according to claim 1, characterized in that: The mounting rod (2) and the bottom plate (1) are connected in a rotational manner, and the mounting rod (2) and the moving block (3) are connected in a threaded manner.

3. The motor stator electric heating device with expanded heating range according to claim 2, characterized in that: The moving block (3) and the motor stator body (4) are connected in a fitting manner, and the outer cross-section of the moving block (3) is an arc-shaped structure.

4. The motor stator electric heating device with expanded heating range according to claim 1, characterized in that: The movable rod (5) and the fixed plate (10) are connected in a sliding manner, and the movable rod (5) and the mounting cover (6) are connected in a snap-fit ​​manner.

5. The motor stator electric heating device with expanded heating range according to claim 1, characterized in that: The coils (8) are symmetrically distributed about the center line of the mounting cover (6) and heat the motor stator body (4).

6. The motor stator electric heating device with expanded heating range according to claim 1, characterized in that: The limiting structure includes a mounting plate (12), which is fixedly mounted on the front and rear sides of the upper end of the base plate (1) respectively, and a connecting rod (13) is movably mounted on the outer side of the middle portion of the mounting plate (12), and a movable plate (14) is movably connected to the inner side of the connecting rod (13), and a limiting block (15) is fixedly mounted on the inner side of the movable plate (14).

7. The motor stator electric heating device with expanded heating range according to claim 6, characterized in that: The mounting plate (12) and the connecting rod (13) are connected in a threaded manner, and the connecting rod (13) is connected to the movable plate (14) via a bearing.

8. The motor stator electric heating device with expanded heating range according to claim 7, characterized in that: The cross section between the movable plate (14) and the limiting block (15) forms a "U"-shaped structure, and the limiting block (15) and the mounting cover (6) are connected in a snap-fit ​​manner.

Images