Hall motor mounting structure

Abstract

The utility model belongs to the technical field of motors, and discloses a Hall motor mounting structure, which comprises a shell, a rotating shaft, a carbon brush holder, a cover plate, a support seat and a Hall plate, the shell is provided with an accommodating cavity used for accommodating a rotor, the rotating shaft is rotatably arranged on the shell in a penetrating manner, the rotor is arranged on the rotating shaft, and the Hall plate is arranged on the carbon brush holder along the axis direction of the rotating shaft. The carbon brush frame is arranged at one end of the shell and sleeves the rotating shaft, a component and a motor circuit are fixedly mounted on the carbon brush frame, the cover plate is arranged at the other end of the shell and sleeves the rotating shaft, the supporting seat is arranged on the cover plate, the Hall plate is arranged on the supporting seat, and the Hall plate is mounted on the cover plate through the supporting seat. The structure universality of an original carbon brush holder is reserved, the problems that in a traditional motor structure, a motor circuit, components and a Hall plate are installed on one circuit board in a concentrated mode, so that part design is complex, and cost is high are solved, assembling is convenient, and the risk that motor signals are lost is avoided.

Description

Technical Field

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

[0002] A Hall effect motor is a machine that converts mechanical energy into electrical energy. It includes generators, electric motors, and other types. The operating principle of a Hall effect motor is based on the Hall effect, an electromagnetic effect in which when an electric current passes through a semiconductor perpendicular to an external magnetic field, the charge carriers are deflected, creating a potential difference across the semiconductor.

[0003] In existing Hall effect motor mounting systems, wiring is performed on a double-sided PCBA circuit board. The wiring includes the Hall effect circuitry and motor power supply circuitry. Operators solder the Hall effect plate, motor terminal leads, components, and carbon fiber together before securing the PCBA to a support base. This results in a cumbersome and complex assembly process, high costs, and inconvenience.

[0004] Therefore, a Hall motor mounting structure is urgently needed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a Hall motor mounting structure, which solves the problems of complex parts design and high cost caused by the motor circuit, components and Hall plate being centrally installed on a circuit board in the traditional motor structure, is easy to assemble, and retains the structural versatility of the original carbon brush holder.

[0006] In order to solve the above problems existing in the prior art, the present invention adopts the following technical solutions:

[0007] Hall motor installation structure, including:

[0008] A housing having a housing cavity for accommodating a rotor;

[0009] a rotating shaft, the rotating shaft being rotatably disposed through the housing, and the rotor being disposed on the rotating shaft;

[0010] A carbon brush holder is provided at one end of the housing and sleeved on the rotating shaft along the axis of the rotating shaft, and is used to fix components;

[0011] a cover plate, arranged along the axis direction of the rotating shaft, at the other end of the housing and sleeved on the rotating shaft;

[0012] A support base, the support base being arranged on the cover plate;

[0013] A Hall plate is arranged on the support seat.

[0014] Preferably, the Hall motor mounting structure also includes a connecting piece, the Hall plate is provided with a through hole, the support seat and the cover plate are both provided with mounting holes, and the connecting piece passes through the through hole and the mounting hole of the support seat and is connected to the mounting hole of the cover plate.

[0015] Preferably, the support seat includes a mounting portion and a limiting portion, the limiting portion is connected to an edge of the mounting portion, the limiting portion can abut against an edge of the Hall plate, and the mounting portion is provided with the mounting hole.

[0016] Preferably, the Hall motor mounting structure further includes carbon and an inductor, the inductor is mounted on the carbon brush holder, the carbon is arranged on the carbon brush holder through an elastic member, and the two ends of the inductor are riveted to the carbon and the motor terminal respectively.

[0017] Preferably, the carbon brush holder is provided with a slot, and the inductor is clipped into the slot.

[0018] Preferably, the Hall motor mounting structure further includes a magnetic bead base, the magnetic bead base is located between the rotor and the cover plate, and the magnetic bead base is fixedly sleeved on the rotating shaft.

[0019] Preferably, the Hall motor mounting structure further includes an inductive magnetic bead, the magnetic bead base is provided with a connecting hole, and the inductive magnetic bead is embedded in the connecting hole.

[0020] Preferably, the carbon brush holder includes a mounting portion and a supporting portion, the mounting portion is sleeved on the rotating shaft, the supporting portion is connected to the mounting portion, the housing is provided with a clamping hole, and the supporting portion is clamped in the clamping hole.

[0021] Preferably, the mounting portion and the supporting portion are integrally injection molded.

[0022] Preferably, the support base is made of plastic.

[0023] The beneficial effects of the utility model are:

[0024] The Hall effect motor mounting structure provided by the present invention comprises a housing having a housing cavity for accommodating a rotor, a rotating shaft rotatably extending through the housing, a rotor being mounted on the rotating shaft, a carbon brush holder being mounted at one end of the housing and sleeved around the rotating shaft along the axis of the rotating shaft, a cover being mounted at the other end of the housing and sleeved around the rotating shaft, a support seat being mounted on the cover plate, and a Hall effect plate being mounted on the support seat. Components and motor circuits are mounted and fixed to the carbon brush holder, and the Hall effect plate is mounted on the cover plate via the support seat. The Hall effect plate is designed to be separated separately, preserving the structural versatility of the original carbon brush holder. This solves the problem of complex component design and high cost caused by the centralized mounting of the motor circuit, components, and Hall effect plate on a single circuit board in conventional motor structures. This facilitates assembly and avoids the risk of motor signal loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A cross-sectional view of a Hall effect motor installation structure provided by an embodiment of the present utility model;

[0026] Figure 2 A schematic diagram of the structure of the carbon brush holder, carbon fines and inductor provided in an embodiment of the utility model;

[0027] Figure 3 A cross-sectional view of a carbon brush holder, carbon brush, and inductor provided in an embodiment of the present invention;

[0028] Figure 4 A schematic structural diagram of a support base provided in an embodiment of the present utility model;

[0029] Figure 5 A schematic structural diagram of a magnetic bead base provided in an embodiment of the present utility model;

[0030] Figure 6 This is a cross-sectional view of the magnetic bead base and the inductive magnetic bead provided in an embodiment of the present utility model.

[0031] Reference numerals:

[0032] 100, rotor; 200, motor terminal; 300, elastic member;

[0033] 1. Shell; 11. Accommodating cavity; 12. Snap-fit ​​hole;

[0034] 2. Rotating shaft;

[0035] 3. Carbon brush holder; 31. Connecting part; 32. Supporting part;

[0036] 4. Cover plate;

[0037] 5. Support seat; 51. Mounting portion; 511. Mounting hole; 52. Limiting portion;

[0038] 6. Hall plate;

[0039] 7. Carbon;

[0040] 8. Inductor;

[0041] 9. Magnetic bead base; 91. Connecting hole;

[0042] 10. Inductive magnetic beads. DETAILED DESCRIPTION

[0043] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all of its components.

[0044] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0045] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0046] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are used to refer to positions or locations based on the positions or locations shown in the accompanying drawings. These terms are intended solely to facilitate description and simplify operation, and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0047] like Figures 1-6As shown, in this embodiment, the Hall motor mounting structure includes a housing 1, a rotating shaft 2, a carbon brush holder 3, a cover plate 4, a support seat 5, and a Hall plate 6. The housing 1 has a housing cavity 11, which is used to accommodate the rotor 100. The rotating shaft 2 is rotatably inserted into the housing 1. The rotor 100 is provided on the rotating shaft 2. Along the axial direction of the rotating shaft 2, the carbon brush holder 3 is provided at one end of the housing 1 and sleeved on the rotating shaft 2. The carbon brush holder 3 is used to fix components. Along the axial direction of the rotating shaft 2, the cover plate 4 is provided at the other end of the housing 1 and sleeved on the rotating shaft 2. The support seat 5 is provided on the cover plate 4, and the Hall plate 6 is provided on the support seat 5. Specifically, the rotor 100 is sleeved on the rotating shaft 2, and the rotating shaft 2 is inserted into the housing 1 and can rotate relative to the housing 1. The rotor 100 is located in the housing cavity 11 of the housing 1. Along the axial direction of the rotating shaft 2, the carbon brush holder 3 and the cover plate 4 are respectively arranged at both ends of the shell 1 and are both sleeved on the rotating shaft 2. Components and motor circuits are installed and fixed on the carbon brush holder 3. The Hall plate 6 is installed on the cover plate 4 through the support base 5. The Hall plate 6 is designed to be separated separately, which retains the structural versatility of the original carbon brush holder 3 and solves the problem of complex parts design and high cost caused by the motor circuit, components and Hall plate 6 being installed on a circuit board in the traditional motor structure. It is easy to assemble, avoids the risk of motor signal loss, and can avoid carbon powder contamination to a certain extent to prevent circuit short circuit.

[0048] Further, refer to Figure 1 The Hall effect motor mounting structure also includes a connector. The Hall effect plate 6 is provided with a through-hole, and both the support base 5 and the cover plate 4 are provided with mounting holes 511. The connector passes through the through-hole and the mounting hole 511 of the support base 5 and is connected to the mounting hole 511 of the cover plate 4. Specifically, the connector is a bolt, and the inner peripheral wall of the mounting hole 511 is provided with an internal thread. The Hall effect plate 6 is fixed to the cover plate 4 via the connector and the support base 5. The Hall effect plate 6 is separated from the components and the motor circuit by the cover plate 4 and the carbon brush holder 3, respectively. This solves the problem of complex component design and high cost caused by the motor circuit, components, and Hall effect plate 6 being centrally mounted on a single circuit board in traditional motor structures, and facilitates assembly.

[0049] Further, refer to Figure 1 and Figure 4 The support base 5 includes a mounting portion 51 and a limiting portion 52. The limiting portion 52 is connected to the edge of the mounting portion 51 and can abut the edge of the Hall plate 6. The mounting portion 51 defines a mounting hole 511. Specifically, the cover plate 4 has a circular structure, the support base 5 has a fan-shaped structure, the limiting portion 52 is an arc-shaped structure and has the same shape as the edge of the cover plate 4. The height of the limiting portion 52 relative to the horizontal plane is greater than the height of the mounting portion 51. The Hall plate 6 is fixed to the cover plate 4 via a connector and the mounting portion 51. The limiting portion 52 limits and positions the Hall plate 6, facilitating assembly.

[0050] Further, refer to Figure 1-Figure 3 The Hall effect motor mounting structure also includes carbon 7 and inductor 8. Inductor 8 is mounted on carbon brush holder 3. Carbon 7 is attached to carbon brush holder 3 via an elastic member 300. The two ends of inductor 8 are riveted to carbon 7 and motor terminals 200, respectively. Specifically, elastic member 300 is a spring, and carbon brush holder 3 is provided with a slot into which inductor 8 is snapped. Inductor 8 is fixed to carbon brush holder 3 by snapping, and the two ends of inductor 8 are riveted to carbon 7 and motor terminals 200, respectively, providing a secure connection and convenient assembly and disassembly.

[0051] Furthermore, Figure 1 、 Figure 5 and Figure 6 The Hall motor mounting structure also includes a magnetic bead base 9 and an inductive magnetic bead 10. The magnetic bead base 9 is located between the rotor 100 and the cover plate 4, and the magnetic bead base 9 is fixedly sleeved on the rotating shaft 2. The magnetic bead base 9 is provided with a connecting hole 91, and the inductive magnetic bead 10 is embedded in the connecting hole 91. Specifically, the magnetic bead base 9 is a disc structure made of plastic material, and the inductive magnetic bead 10 is sintered from neodymium iron boron with a diameter of 2 mm. The inductive magnetic bead 10 is embedded in the connecting hole 91 of the magnetic bead base 9. There are two inductive magnetic beads 10 and two connecting holes 91. The two inductive magnetic beads 10 are respectively embedded in the corresponding connecting holes 91, and the magnetic bead base 9 is fastened to the rotating shaft 2.

[0052] Further, continue to refer to Figure 1-Figure 3 The carbon brush holder 3 includes a connecting portion 31 and a supporting portion 32. The connecting portion 31 is sleeved on the rotating shaft 2, and the supporting portion 32 is connected to the connecting portion 31. The housing 1 is provided with a snap-fitting hole 12, and the supporting portion 32 is snap-fitted into the snap-fitting hole 12. Specifically, the connecting portion 31 and the supporting portion 32 are integrally injection-molded by die-casting or other methods. The connecting portion 31 is snap-fitted into the snap-fitting hole 12 of the housing 1 through the supporting portion 32, eliminating the need for additional parts for installation, resulting in low cost and easy disassembly.

[0053] Further, refer to Figure 1 and Figure 5 The support base 5 is made of plastic. In order to adapt to Hall plates 6 of different sizes, a matching support base 5 needs to be replaced. The support base 5 made of plastic has a compact structure and low replacement cost.

[0054] Obviously, the above-described embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the manner in which the present invention is to be implemented. A person skilled in the art would be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. The Hall motor installation structure is characterized by: include: A housing (1), the housing (1) having an accommodating cavity (11), the accommodating cavity (11) being used to accommodate a rotor (100); a rotating shaft (2), the rotating shaft (2) being rotatably disposed through the housing (1), and the rotor (100) being disposed on the rotating shaft (2); A carbon brush holder (3) is arranged at one end of the housing (1) and sleeved on the rotating shaft (2) along the axial direction of the rotating shaft (2); the carbon brush holder (3) is used to fix components; A cover plate (4) is arranged at the other end of the housing (1) and sleeved on the rotating shaft (2) along the axial direction of the rotating shaft (2); A support seat (5), wherein the support seat (5) is arranged on the cover plate (4); A Hall plate (6), wherein the Hall plate (6) is arranged on the support seat (5).

2. The Hall motor mounting structure according to claim 1, characterized in that: The Hall motor mounting structure further includes a connecting piece, the Hall plate (6) is provided with a through hole, the support seat (5) and the cover plate (4) are both provided with mounting holes (511), and the connecting piece passes through the through hole and the mounting hole (511) of the support seat (5) and is connected to the mounting hole (511) of the cover plate (4).

3. The Hall motor mounting structure according to claim 2, characterized in that: The support seat (5) comprises a mounting portion (51) and a limiting portion (52), wherein the limiting portion (52) is connected to the edge of the mounting portion (51), the limiting portion (52) can abut against the edge of the Hall plate (6), and the mounting portion (51) is provided with the mounting hole (511).

4. The Hall motor mounting structure according to claim 1, characterized in that: The Hall motor mounting structure further comprises a carbon core (7) and an inductor (8), wherein the inductor (8) is mounted on the carbon brush holder (3), the carbon core (7) is arranged on the carbon brush holder (3) via an elastic member (300), and the two ends of the inductor (8) are riveted to the carbon core (7) and the motor terminal (200), respectively.

5. The Hall motor mounting structure according to claim 4, characterized in that: The carbon brush holder (3) is provided with a slot, and the inductor (8) is snapped into the slot.

6. The Hall motor mounting structure according to claim 1, characterized in that: The Hall motor mounting structure further includes a magnetic bead base (9), the magnetic bead base (9) is located between the rotor (100) and the cover plate (4), and the magnetic bead base (9) is fixedly sleeved on the rotating shaft (2).

7. The Hall motor mounting structure according to claim 6, characterized in that: The Hall motor mounting structure further comprises an inductive magnetic bead (10); the magnetic bead base (9) is provided with a connection hole (91); and the inductive magnetic bead (10) is embedded in the connection hole (91).

8. The Hall motor mounting structure according to claim 1, characterized in that: The carbon brush holder (3) comprises a connecting portion (31) and a supporting portion (32); the connecting portion (31) is sleeved on the rotating shaft (2); the supporting portion (32) is connected to the connecting portion (31); the housing (1) is provided with a snap-fitting hole (12); and the supporting portion (32) is snap-fitted to the snap-fitting hole (12).

9. The Hall motor mounting structure according to claim 8, characterized in that: The connecting portion (31) and the supporting portion (32) are integrally injection-molded.

10. The Hall motor mounting structure according to claim 1, characterized in that: The support seat (5) is made of plastic.

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