Motor coil protection structure

Abstract

The utility model discloses a motor coil protection structure which is installed on a stator body and used for protecting a coil, two groups of stator seats are symmetrically arranged on the stator body, the number of each group of stator seats is two, and the two stator seats are respectively arranged at the upper end and the lower end of the stator body. The coil is annularly wound on the stator body and the corresponding stator seat; comprising protective covers, the number of the protective covers is equal to that of the stator seats, and the protective covers are arranged on the corresponding stator seats and used for covering coils wound on the stator seats. According to the utility model, the coil can be protected, the coil is prevented from being damaged due to the fact that the coil is exposed outside and collided by other parts, and the safety performance and the service life of the motor can be obviously improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a motor coil protection structure. Background Art

[0002] During the energization process of the stator of the motor, the rotor realizes continuous rotation through the magnetic force generated by the coil body. Generally, two sets of stator seats are symmetrically arranged on the stator body, the number of each set of stator seats is two, and the two stator seats are respectively arranged at the upper and lower ends of the stator body, and the coil is wound around the stator body and the corresponding stator seats in a ring shape.

[0003] Since the overall structure of the motor is relatively compact, after the motor is installed on the equipment, the coil on the stator body is exposed, and other components on the equipment can easily collide with the coil, which may cause the coil to be damaged or broken, affecting the safety performance and service life of the motor. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a motor coil protection structure, which can protect the coil, avoid damage caused by collision of other components due to the exposure of the coil, and can significantly improve the safety performance and service life of the motor.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A motor coil protection structure is installed on the stator body for protecting the coil. Two sets of stator seats are symmetrically arranged on the stator body, the number of each set of stator seats is two, and the two stator seats are respectively arranged at the upper and lower ends of the stator body. The coil is wound around the stator body and the corresponding stator seats in a ring shape; it includes protection covers. The number of the protection covers is equal to that of the stator seats, and the protection covers are arranged on the corresponding stator seats for covering the coil wound on the stator seats.

[0006] By adopting the above technical solution, the exposed parts at the upper and lower ends of the coil are covered by arranging protection covers on the positioning seats, so as to protect the coil, avoid damage caused by collision of other components due to the exposure of the coil, and can significantly improve the safety performance and service life of the motor.

[0007] The utility model is further arranged as follows: The stator seat includes a base and an inner side plate arranged on the base. The protection cover includes an outer side plate and a top plate arranged at the upper end of the outer side plate. When the protection cover is installed on the base seat, the base, the inner side plate, the top plate and the outer side plate enclose a protection channel for the coil to pass through.

[0008] By adopting the above technical solution, the structures of the stator seat and the protection cover are simple and reliable, which is convenient for production.

[0009] The present utility model is further configured such that the bottom end of the outer plate of the protective cover is provided with an extending portion extending downward. An upper connecting plate is provided on the inner side of the extending portion, and a lower hook is provided on the upper connecting plate. A lower bayonet engaging with the lower hook is provided on the base of the stator base. An upper connecting plate extending outward is provided on the inner plate of the stator base, and an upper bayonet is provided on the upper connecting plate. An upper hook engaging with the upper bayonet is provided on the top plate of the protective cover.

[0010] By adopting the above technical solution, the protective cover is pushed onto the corresponding stator base from outside to inside, so that the top plate and the lower connecting plate of the protective cover are respectively engaged and connected with the upper connecting plate and the base of the stator base. The connection structure is simple and reliable, and the disassembly and assembly are very convenient.

[0011] The present utility model is further configured such that the top plate is disposed closely against the upper end face of the upper connecting plate, and the inner edge of the top plate abuts against the upper end of the inner plate. The lower connecting plate is disposed closely against the lower end face of the base.

[0012] By adopting the above technical solution, the connection structure between the protective cover and the stator base is compactly matched, has good stability, and is relatively beautiful.

[0013] The present utility model is further configured such that a relief groove for the extending portion to pass through is provided on the outer side of the base, and a relief recess communicating with the lower part of the relief groove and for the lower connecting plate to extend into is provided at the bottom end of the base.

[0014] By adopting the above technical solution, the volume of the coil protection structure can be reduced, thereby avoiding the overall volume of the motor from being too large after adding the coil protection structure.

[0015] The present utility model is further configured such that an upper through hole is provided at a position of the outer plate close to the top plate, and a lower through hole is provided at a position of the extending portion close to the lower connecting plate.

[0016] By adopting the above technical solution, the upper through hole and the lower through hole can be used for inserting tools to act on the top plate or the lower connecting plate, so as to deform the top plate or the lower connecting plate, facilitating the disassembly of the protective cover.

[0017] The present utility model is further configured such that both sides of the extending portion are inclined surfaces that contract inward, so that the extending portion forms a conical structure.

[0018] By adopting the above technical solution, the conical structure plays a guiding role and facilitates the installation of the protective cover.

[0019] The present utility model is further configured such that the upper connecting plate is in the shape of an isosceles trapezoid with a gradually decreasing width in the direction away from the inner plate, and a conical strengthening portion is provided between the lower connecting plate and the extending portion.

[0020] By adopting the above technical solution, the strength of the connection part between the upper connecting plate and the inner side plate and the connection part between the lower connecting plate and the extension part can be improved, thereby improving the reliability of the use of the protective cover.

[0021] The present utility model is further arranged such that an arc-shaped reinforcing part protruding outward is provided on the outer side of the outer side plate, and an arc-shaped concave part recessed inward for making way for the coil is provided at a position corresponding to the arc-shaped reinforcing part on the inner side of the outer side plate.

[0022] By adopting the above technical solution, not only can the overall strength of the outer side plate be improved, but also a more suitable installation space is provided for the coil, and the structural reliability is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic structural diagram of the whole motor;

[0024] Figure 2 It is a schematic structural diagram when the protective cover on the motor is removed;

[0025] Figure 3 It is a schematic assembly structure diagram of the stator base and the protective cover;

[0026] Figure 4 It is a schematic structural diagram of the stator base;

[0027] Figure 5 It is a schematic structural diagram of the protective cover from the first perspective;

[0028] Figure 6 It is a schematic structural diagram of the protective cover from the second perspective.

[0029] In the figure: 1, stator body; 2, coil; 3, stator base; 4, protective cover; 5, base; 6, inner side plate; 7, outer side plate; 8, top plate; 9, protection channel; 10, extension part; 11, lower connecting plate; 12, lower hook; 13, lower bayonet; 14, upper connecting plate; 15, upper bayonet; 16, upper hook; 17, relief groove; 18, relief concave part; 19, upper through hole; 20, lower through hole; 21, conical reinforcing part; 22, arc-shaped reinforcing part; 23, arc-shaped concave part. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0031] Embodiment: As shown in the attached Figures 1 to 6The shown motor coil protection structure is installed on the stator body 1 for protecting the coil 2. Two groups of stator seats 3 are symmetrically arranged on the stator body 1. The number of each group of stator seats 3 is two, and the two stator seats 3 are respectively arranged at the upper and lower ends of the stator body 1. The coil 2 is wound in a ring shape around the stator body 1 and the corresponding stator seats 3. The motor coil protection structure includes a protection cover 4. The number of the protection covers 4 is the same as that of the stator seats 3, and the protection cover 4 is arranged on the corresponding stator seat 3 for covering the coil 2 wound on the stator seat 3. By arranging the protection cover 4 on the positioning seat to cover the exposed parts at the upper and lower ends of the coil 2, the coil 2 is protected to avoid damage caused by collision with other components due to the exposure of the coil 2, and the safety performance and service life of the motor can be significantly improved.

[0032] As shown in the Figures 1 to 3 attachment, the stator seat 3 includes a base 5 and an inner side plate 6 arranged on the base 5. The base 5 and the inner side plate 6 are of an integral structure. The protection cover 4 includes an outer side plate 7 and a top plate 8 arranged at the upper end of the outer side plate 7. The outer side plate 7 and the top plate 8 are of an integral structure. When the protection cover 4 is installed on the base 5, the base 5, the inner side plate 6, the top plate 8 and the outer side plate 7 enclose a protection channel 9 for the coil 2 to pass through. The structures of the stator seat 3 and the protection cover 4 are simple and reliable, which is convenient for production.

[0033] As shown in the Figures 3 to 6 attachment, a downward extending extension 10 is provided at the bottom end of the outer side plate 7 of the protection cover 4. A lower connecting plate 11 is provided inside the extension 10. A lower hook 12 is provided on the lower connecting plate 11. The inner side surface of the lower hook 12 has a guiding inclined surface. A lower bayonet 13 engaged with the lower hook 12 is provided on the base 5 of the stator seat 3. An upper connecting plate 14 extending outward is provided on the inner side plate 6 of the stator seat 3. An upper bayonet 15 is provided on the upper connecting plate 14. An upper hook 16 engaged with the upper bayonet 15 is provided on the top plate 8 of the protection cover 4. The inner side surface of the upper hook 16 has a guiding inclined surface. Pushing the protection cover 4 to the corresponding stator seat 3 from outside to inside makes the top plate 8 and the lower connecting plate 11 of the protection cover 4 respectively engage and connect with the upper connecting plate 14 and the base 5 of the stator seat 3. Its connection structure is simple and reliable, and the disassembly and assembly are very convenient.

[0034] As shown in the Figure 3 attachment, the top plate 8 is arranged closely against the upper end surface of the upper connecting plate 14, and the inner edge of the top plate 8 abuts against the upper end of the inner side plate 6. The lower connecting plate 11 is arranged closely against the lower end surface of the base 5. The connection structure between the protection cover 4 and the stator seat 3 is compactly matched, with good stability and relatively beautiful appearance.

[0035] As shown in the Figures 3 to 6As shown, a relief groove 17 for the extension part 10 to pass through is provided on the outside of the base 5, and a relief recess 18 communicating with the lower part of the relief groove 17 and for the lower connecting plate 11 to extend into is provided at the bottom end of the base 5. This design can reduce the volume of the protection structure of the coil 2, thus avoiding the overall volume of the motor from being too large after adding the protection structure of the coil 2.

[0036] As shown in the appendix Figures 3 to 6 As shown, an upper through hole 19 is provided at the position of the outer side plate 7 close to the top plate 8, and a lower through hole 20 is provided at the position of the extension part 10 close to the lower connecting plate 11. The upper through hole 19 and the lower through hole 20 can be used for inserting tools to act on the top plate 8 or the lower connecting plate 11, so as to cause the top plate 8 or the lower connecting plate 11 to deform, facilitating the disassembly of the protection cover 4.

[0037] Wherein, both sides of the extension part 10 are inclined planes that contract inward, so that the extension part 10 forms a conical structure. The conical structure of the extension part 10 plays a guiding role and is convenient for the installation of the protection cover 4.

[0038] As shown in the appendix Figures 3 to 6 As shown, the upper connecting plate 14 is in the shape of an isosceles trapezoid with a gradually decreasing width in the direction away from the inner side plate 6, and a conical strengthening part 21 is provided between the lower connecting plate 11 and the extension part 10. This design can improve the strength of the connection part between the upper connecting plate 14 and the inner side plate 6 and the connection part between the lower connecting plate 11 and the extension part 10, thus improving the reliability of the protection cover 4 in use.

[0039] As shown in the appendix Figures 3 to 6 As shown, an arc-shaped strengthening part 22 protruding outward is provided on the outside of the outer side plate 7, and an arc-shaped recess 23 recessed inward for making way for the coil 2 is provided at the position corresponding to the arc-shaped strengthening part 22 on the inner side of the outer side plate 7. This design can not only improve the overall strength of the outer side plate 7, but also provide a more suitable installation space for the coil 2, and the structural reliability is high.

Claims

1. A motor coil protection structure, mounted on a stator body (1) for protecting a coil (2), wherein two groups of stator seats (3) are symmetrically arranged on the stator body (1), each group of stator seats (3) has two stator seats (3), and the two stator seats (3) are respectively arranged at the upper and lower ends of the stator body (1), and the coil (2) is annularly wound around the stator body (1) and the corresponding stator seats (3); the characteristics are: It comprises a protective cover (4), the number of which is equal to the number of the stator seats (3), and the protective cover (4) is arranged on the corresponding stator seat (3) and is used to cover the coil (2) wound on the stator seat (3).

2. The motor coil protection structure according to claim 1, characterized in that: The stator seat (3) comprises a base (5) and an inner plate (6) arranged on the base (5); the protective cover (4) comprises an outer plate (7) and a top plate (8) arranged on the upper end of the outer plate (7); when the protective cover (4) is mounted on the base (5), the base (5), the inner plate (6), the top plate (8) and the outer plate (7) enclose a protective passage (9) for the coil (2) to pass through.

3. The motor coil protection structure according to claim 2, characterized in that: The bottom end of the outer plate (7) of the protective cover (4) is provided with an extension portion (10) extending downward, the inner side of the extension portion (10) is provided with a lower connecting plate (11), the lower connecting plate (11) is provided with a lower hook (12), the base (5) of the stator seat (3) is provided with a lower snap-in opening (13) engaged with the lower hook (12), the inner plate (6) of the stator seat (3) is provided with an upper connecting plate (14) extending outward, the upper connecting plate (14) is provided with an upper snap-in opening (15), and the top plate (8) of the protective cover (4) is provided with an upper hook (16) engaged with the upper snap-in opening (15).

4. The motor coil protection structure according to claim 3, characterized in that: The top plate (8) is arranged in close contact with the upper end surface of the upper connecting plate (14), and the inner edge of the top plate (8) abuts against the upper end of the inner side plate (6); the lower connecting plate (11) is arranged in close contact with the lower end surface of the base (5).

5. The motor coil protection structure according to claim 4, characterized in that: The outer side of the base (5) is provided with a clearance groove (17) for the extension part (10) to pass through, and the bottom end of the base (5) is provided with a clearance recess (18) which is connected to the lower side of the clearance groove (17) and is used for the lower connecting plate (11) to extend into.

6. The motor coil protection structure according to claim 3, characterized in that: An upper through hole (19) is provided on the outer plate (7) near the top plate (8), and a lower through hole (20) is provided on the extension portion (10) near the lower connecting plate (11).

7. The motor coil protection structure according to claim 3, characterized in that: Both sides of the extension portion (10) are inclined surfaces that contract inwards, so that the extension portion (10) forms a conical structure.

8. The motor coil protection structure according to claim 3, characterized in that: The upper connecting plate (14) is in the shape of an isosceles trapezoid whose width gradually decreases in a direction away from the inner plate (6), and a conical reinforcement portion (21) is provided between the lower connecting plate (11) and the extension portion (10).

9. The motor coil protection structure according to claim 2, characterized in that: An outwardly protruding arc-shaped reinforcement portion (22) is provided on the outside of the outer plate (7), and an inwardly recessed arc-shaped recess (23) for making way for the coil (2) is provided on the inside of the outer plate (7) at a position corresponding to the arc-shaped reinforcement portion (22).

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