Spring supporting type magnetic steel mounting structure

Abstract

The utility model discloses a spring support type magnetic steel mounting structure, which relates to the technical field of motor magnetic steel mounting and comprises a positioning fixing sleeve, a detachable magnetic steel sleeve is mounted on the outer side of the positioning fixing sleeve, and a driving sleeve rod is fixedly connected to the inner side of the positioning fixing sleeve through a connecting support. The end part of the driving sleeve rod extends to the upper part of the positioning fixing sleeve; the positioning fixing sleeve comprises a hollow sleeve, the inner side of the hollow sleeve is fixedly connected with the connecting support in an annular array mode, and a tooth groove is formed in the portion, located above the hollow sleeve, of the driving sleeve rod. According to the utility model, the supporting sheet is placed below the hollow magnetic steel, the inclined elastic sheet and the supporting sheet which are arranged in an inclined manner are matched with each other to support the hollow magnetic steel, and the inclined elastic sheet which is arranged in an inclined manner can absorb vibration generated during rotation of the hollow magnetic steel, so that axial movement of the hollow magnetic steel during rotation is reduced; therefore, the collision of the hollow magnetic steel during vibration is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor magnetic steel installation technical field, specifically is spring support formula magnetic steel mounting structure. BACKGROUND

[0002] Magnetic steel is a kind of material made of permanent magnetic material and has magnetism, plays a key role in micro motor, as part of the stator or rotor of micro motor, magnetic steel provides stable magnetic field source for motor, when electric current passes through the winding of motor, winding is subjected to electromagnetic force in magnetic field, thereby generating rotary torque, drive motor rotation.

[0003] However, in practice, people have noticed that magnetic steel will produce vibration when rotating, axial movement of magnetic steel will occur during vibration process, leading to friction or collision between magnetic steel and the shell of end portion, long-time friction and collision are prone to cause damage to magnetic steel, once magnetic steel is damaged, it will destroy the magnetic field distribution of motor, further affect the performance of motor, leading to unstable motor output torque, speed fluctuation and other problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing spring support formula magnetic steel mounting structure, the end portion of magnetic steel is installed with elastic support frame, the elastic support frame can buffer the vibration generated when magnetic steel rotates, thereby reducing the axial movement of magnetic steel and improving the stability when magnetic steel rotates.To solve the technical problems proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] Spring support formula magnetic steel mounting structure, including the fixed sleeve of location, the outside of fixed sleeve of location is installed with detachable magnetic steel cover, and the inside of fixed sleeve of location is fixedly connected with drive sleeve rod through connecting support, the end portion of drive sleeve rod extends to the top of fixed sleeve of location;

[0007] The fixed sleeve of location includes hollow cover, the inside of hollow cover is fixedly connected with connecting support in annular array, and the part of drive sleeve rod above hollow cover is provided with gear slot.

[0008] As a further technical scheme of the utility model, the inside of drive sleeve rod is inserted with fixed shaft, the end portion of fixed shaft is further provided with magnetic steel support frame below detachable magnetic steel cover, and the other end of fixed shaft extends to the top of drive sleeve rod.

[0009] As a further technical scheme of the utility model, the magnetic steel support frame includes support sheet below detachable magnetic steel cover, the outside of support sheet is provided with inclined elastic sheet in annular array, and the end portion of inclined elastic sheet is inclined away from the end of detachable magnetic steel cover.

[0010] As a further technical solution of this utility model, the support plate is provided with an annular protrusion on the side near the detachable magnet sleeve, and an annular groove is provided in the annular protrusion. Supporting balls are arranged in an annular array in the annular groove, and the supporting balls are located between the drive sleeve rod and the support plate.

[0011] As a further technical solution of this utility model, both ends of the hollow sleeve are integrally provided with limiting rings, and each limiting ring has a positioning slot in a ring array on its outer side.

[0012] As a further technical solution of this utility model, the detachable magnetic sleeve includes a hollow magnetic steel sleeved on the outside of the hollow sleeve. Both sides of the hollow magnetic steel are provided with positioning grooves and rectangular blocks in a ring array, and the positioning grooves and rectangular blocks are arranged at intervals.

[0013] As a further technical solution of this utility model, the limiting ring is engaged with the inner side of the positioning groove, and the rectangular block is engaged with the positioning slot at the corresponding position.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] In this invention, a support plate is placed below a hollow magnet. The hollow magnet is supported by the inclined elastic plate and the support plate working together. The inclined elastic plate can also absorb the vibration generated when the hollow magnet rotates, thereby reducing the axial movement of the hollow magnet during rotation and thus reducing the impact when the hollow magnet vibrates.

[0016] In this utility model, an annular groove is provided on the annular protrusion on the side of the support plate, and the annular groove is provided with support balls in an annular array. When the hollow magnet rotates, it will drive the support balls to roll inside the annular groove, which supports the hollow magnet and further reduces the friction between the hollow magnet and the support plate during rotation.

[0017] This utility model uses the interlocking of the limiting ring, the positioning groove, the positioning slot, and the rectangular block to fix the hollow magnet to the outside of the hollow sleeve, and drive the toothed groove at the end of the sleeve rod to perform meshing transmission of the gear. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model in use.

[0019] Figure 2 This utility model Figure 1 A schematic diagram of the bottom structure.

[0020] Figure 3 This utility model Figure 2Partial structural schematic view of the magnetic steel.

[0021] Figure 4 Another perspective view of the utility model Figure 2

[0022] Figure 5 Schematic view of the three-dimensional structure of the detachable magnetic steel sleeve in the utility model.

[0023] Figure 6 Schematic view of the three-dimensional structure of the magnetic steel support frame in the utility model.

[0024] Figure 7 Partial enlarged schematic view of the utility model Figure 6

[0025] In the figure:

[0026] Fixed shaft rod-1, drive sleeve rod-2, connecting support-3, positioning fixing sleeve-4, hollow sleeve-41, limiting ring-42, positioning clamping groove-43, detachable magnetic steel sleeve-5, hollow magnetic steel-51, positioning recess-52, rectangular clamping block-53, magnetic steel support frame-6, support sheet-61, inclined elastic sheet-62, annular groove-63, support ball-64. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-7 The utility model embodiment provides spring support type magnetic steel mounting structure, including positioning fixing sleeve 4, the outside of positioning fixing sleeve 4 is installed with detachable magnetic steel sleeve 5, and the inside of positioning fixing sleeve 4 is fixedly connected with drive sleeve rod 2 through connecting support 3, and the end of drive sleeve rod 2 extends to the above of positioning fixing sleeve 4;

[0029] Positioning fixing sleeve 4 includes hollow sleeve 41, and the inside of hollow sleeve 41 is fixedly connected with connecting support 3 in annular array, and the part above drive sleeve rod 2 on hollow sleeve 41 is provided with gear slot.

[0030] In the embodiment, the inside of drive sleeve rod 2 is inserted with fixed shaft rod 1, and the end of fixed shaft rod 1 is further provided with magnetic steel support frame 6 below detachable magnetic steel sleeve 5, and the other end of fixed shaft rod 1 extends to the above of drive sleeve rod 2.

[0031] ​​Further, the magnetic steel support frame 6 comprises a support sheet 61 below the detachable magnetic steel sleeve 5, and the outer side of the support sheet 61 is provided with inclined elastic sheets 62 in an annular array, and the end of the inclined elastic sheet 62 is inclined away from one end of the detachable magnetic steel sleeve 5.

[0032] By adopting the above technical scheme, the support sheet 61 is placed below the hollow magnetic steel 51, and the inclined elastic sheet 62 is used to support the hollow magnetic steel 51 in cooperation with the support sheet 61, and the inclined elastic sheet 62 can also absorb the vibration generated when the hollow magnetic steel 51 rotates, thereby reducing the axial movement of the hollow magnetic steel 51 when rotating, and further reducing the bumping of the hollow magnetic steel 51 when vibrating

[0033] Further, the side of the support sheet 61 close to the detachable magnetic steel sleeve 5 is also provided with an annular protrusion, and the annular protrusion is provided with an annular groove 63, and the annular groove 63 is provided with support balls 64 in an annular array, and the support balls 64 are located between the drive sleeve rod 2 and the support sheet 61.

[0034] By adopting the above technical scheme, the annular protrusion on the side of the support sheet 61 is provided with an annular groove 63, and the annular groove 63 is provided with support balls 64 in an annular array, and the hollow magnetic steel 51 rotates to drive the support balls 64 to roll inside the annular groove 63, which further reduces the friction between the hollow magnetic steel 51 and the support sheet 61 when rotating.

[0035] Further, the hollow sleeve 41 is integrally provided with a limiting ring 42 at both ends, and the outer side of each limiting ring 42 is provided with a positioning clamping groove 43 in an annular array.

[0036] Further, the detachable magnetic steel sleeve 5 comprises a hollow magnetic steel 51 sleeved outside the hollow sleeve 41, and the two sides of the hollow magnetic steel 51 are provided with positioning grooves 52 and rectangular clamping blocks 53 in an annular array, and the positioning grooves 52 and the rectangular clamping blocks 53 are arranged at intervals.

[0037] Further, the limiting ring 42 is clamped inside the positioning groove 52, and the rectangular clamping block 53 is clamped in the corresponding positioning clamping groove 43.

[0038] Further, the center of the support sheet 61 is provided with an axis hole, and the end of the fixed shaft rod 1 penetrates through the axis hole, so as to position the fixed shaft rod 1, and further make the detachable magnetic steel sleeve 5 rotate stably outside the fixed shaft rod 1.

[0039] Further, the upper part of the supporting ball 64 is in contact with the bottom of the driving sleeve rod 2, when the driving sleeve rod 2 rotates, the supporting ball 64 rolls along the inner side of the annular groove 63, thereby reducing the friction when the driving sleeve rod 2 rotates.

[0040] The working principle of the utility model is: when using, first, the magnetic steel support frame 6 is placed in the motor shell, then the supporting ball 64 is placed in the annular groove 63 in the form of annular array, then the hollow magnetic steel 51 is clamped to the outside of the hollow sleeve 41, and the limiting ring 42 and the positioning clamping groove 43 are matched with the positioning groove 52 and the rectangular clamping block 53, then the detachable magnetic steel sleeve 5 is placed in the motor shell, then the fixed shaft rod 1 penetrates the driving sleeve rod 2, and the bottom of the fixed shaft rod 1 is inserted into the shaft hole in the supporting sheet 61, at this time, the supporting ball 64 is in contact with the bottom of the driving sleeve rod 2, when the positioning fixed sleeve 4 and the detachable magnetic steel sleeve 5 rotate, the driving sleeve rod 2 drives the supporting ball 64 to roll along the inner side of the annular groove 63, thereby reducing the friction at the connecting part, and the supporting sheet 61 and the inclined elastic sheet 62 are matched with each other, so that the vibration generated when the detachable magnetic steel sleeve 5 rotates can be buffered, and the axial movement is reduced.

[0041] It is apparent for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

[0042] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A spring supported magnetic steel mounting structure characterized by: Including positioning fixed sleeve (4), the outer side of positioning fixed sleeve (4) is provided with detachable magnetic steel sleeve (5), and the inner side of positioning fixed sleeve (4) is fixedly connected with drive sleeve rod (2) through connecting support (3), and the end of drive sleeve rod (2) extends to the upper side of positioning fixed sleeve (4); The inner side of the hollow sleeve (41) is annularly arrayed and fixedly connected with the connecting support (3), and the part above the hollow sleeve (41) of the drive sleeve rod (2) is provided with a gear slot.

2. The spring supported magnetic steel mounting structure according to claim 1, characterized by: The inner side of the drive sleeve rod (2) is inserted with a fixed shaft rod (1), and the end of the fixed shaft rod (1) is further provided with a magnetic steel support frame (6) below the detachable magnetic steel sleeve (5), and the other end of the fixed shaft rod (1) extends to the upper side of the drive sleeve rod (2).

3. The spring supported magnetic steel mounting structure according to claim 2, characterized by: The magnetic steel support frame (6) includes a support sheet (61) below the detachable magnetic steel sleeve (5), the outer side of the support sheet (61) is annularly arrayed with an inclined elastic sheet (62), and the end of the inclined elastic sheet (62) is inclined away from the detachable magnetic steel sleeve (5).

4. The spring supported magnetic steel mounting structure according to claim 3, characterized by: The side of the support sheet (61) close to the detachable magnetic steel sleeve (5) is further provided with an annular protrusion, and an annular groove (63) is formed in the annular protrusion, and a support ball (64) is annularly arrayed in the annular groove (63), and the support ball (64) is located between the drive sleeve rod (2) and the support sheet (61).

5. The spring supported magnetic steel mounting structure according to claim 4, characterized by: Both ends of the hollow sleeve (41) are integrally provided with a limiting ring (42), and the outer side of each limiting ring (42) is annularly arrayed with a positioning clamping groove (43).

6. The spring supported magnetic steel mounting structure according to claim 5, wherein: The detachable magnetic steel sleeve (5) includes a hollow magnetic steel (51) sleeved on the outer side of the hollow sleeve (41), and the two sides of the hollow magnetic steel (51) are annularly arrayed with a positioning groove (52) and a rectangular clamping block (53), and the positioning groove (52) and the rectangular clamping block (53) are spaced apart from each other.

7. The spring supported magnetic steel mounting structure according to claim 6, characterized by: The limiting ring (42) is clamped on the inner side of the positioning groove (52), and the rectangular clamping block (53) is clamped in the corresponding positioning clamping groove (43).

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