Integrated support, carbon brush structure and motor resolver structure

Abstract

The utility model relates to the technical field of motors, in particular to an integrated support, a carbon brush structure and a motor rotary transformer structure. The utility model discloses an integrated bracket, which comprises a pressing part, a supporting part and a fixing part, and is characterized in that the pressing part is positioned on a first plane; the mounting part is located on a second plane, and the first plane and the second plane are parallel and are arranged at an interval; the pressing part and the mounting part are in transition into a whole through the bending part, and the pressing part and the mounting part are located on the same side of the bending part. A carbon brush structure comprises an integrated support; and the carbon brush is assembled on the mounting part through a positioning pressing plate. A motor resolver structure comprises a carbon brush structure; a resolver stator; and the end cover is matched with the pressing part of the integrated bracket to press the rotary transformer stator. The technical problems that in the prior art, a rotary transformer stator and a carbon brush support are arranged separately, the structure is complex, and the installation difficulty is large are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technology field especially relates to an integrated support, carbon brush structure and motor rotary variable structure. BACKGROUND

[0002] In the motor system, the rotary variable stator is crucial for accurate measurement of the motor rotor position, and the carbon brush support plays a key role in the process of motor power transmission and commutation. In the prior art, the rotor of the motor has a rotating shaft, the tail of the rotating shaft is provided with a rotary variable structure, the rotary variable structure includes a rotor and a stator, the stator is placed on the casing and is fixed by a rotary variable stator pressing plate, the rotary variable rotor is located at one end of the rotating shaft and is fixed by a rotary variable rotor pressing ring, the outer side of the rotary variable stator pressing plate is provided with a circular ring type carbon brush support, a plurality of screws pass through the carbon brush support and the rotary variable pressing plate and are fixed on the casing, the carbon brush assembly is fixed on the carbon brush support by the screws, the carbon brush support is first fixed on the motor casing by passing through the rotary variable stator pressing plate, which can not only press the rotary variable stator pressing plate, but also support the carbon brush, and when the rotating shaft rotates, it is in contact with one side of the carbon brush and the rotating shaft, thereby introducing the static charge in the rotating shaft into the ground and maintaining the integrity of the circuit.

[0003] In the existing motor structure design, the rotary variable stator and the carbon brush support often adopt independent fixing modes. This not only leads to complex internal structure of the motor, numerous parts, and increases the overall volume and weight of the motor, but also requires positioning and installation debugging of the rotary variable stator and the carbon brush support respectively in the assembly process, which consumes a lot of manpower and time cost. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the technical problems of separate setting of the rotary variable stator and the carbon brush support in the prior art, complex structure and large installation difficulty, the utility model provides an integrated support, carbon brush structure and motor rotary variable structure, which solves the above technical problems.

[0005] In order to solve the above technical problems, the utility model provides an integrated support, which comprises:

[0006] The pressing part is located on the first plane.

[0007] The mounting part is located on the second plane, and the first plane and the second plane are parallel and spaced apart.

[0008] The bending part is used for the transition of the pressing part and the mounting part to be integrated, and the pressing part and the mounting part are located on the same side of the bending part.

[0009] According to an embodiment of the utility model, the pressing part is in the shape of a ring with an opening, and the pressing part is provided with a first fastening hole.

[0010] According to one embodiment of the utility model, the mounting portion is in U shape, and a second fastening hole is arranged on the mounting portion.

[0011] According to one embodiment of the utility model, the two ends of the compression portion are integrally connected to the two ends of the mounting portion through the bending portion.

[0012] The utility model also provides a kind of carbon brush structure, comprising:

[0013] Integrated support;

[0014] Carbon brush, the carbon brush is assembled in the mounting portion by positioning pressing plate.

[0015] According to one embodiment of the utility model, the middle part of the positioning pressing plate is formed with recess part corresponding to the shape of carbon brush, and the two ends of the positioning pressing plate are respectively extended with connecting portion in plane, and positioning hole is opened on the connecting portion, and positioning fastening is formed by fastener passing through the positioning hole and the second fastening hole.

[0016] According to one embodiment of the utility model, positioning buckle structure is arranged between the positioning pressing plate and the carbon brush.

[0017] The utility model also provides a kind of motor rotary variable structure, comprising:

[0018] Carbon brush structure;

[0019] Rotary variable stator;

[0020] End cover, the end cover is compressed with the compression portion of the integrated support and is compressed rotary variable stator.

[0021] According to one embodiment of the utility model, the outer surface of the end cover is recessed to form mounting space, and the rotary variable stator and the carbon brush structure are placed in the mounting space.

[0022] According to one embodiment of the utility model, the outer surface of the end cover is recessed to form mounting space, and the rotary variable stator and the carbon brush structure are placed in the mounting space.

[0023] Based on the above technical scheme, the utility model can realize the following technical effects:

[0024] The utility model discloses an integrated support, the pressure plate and carbon brush support are combined into one, set up integrated support includes the installation part and the compression part, and the compression part can be used for cooperation compression rotary variable stator, and the installation part can be used for installing carbon brush, and the structure and installation are simplified, compared with the prior art needs respectively to the pressure plate and carbon brush support fixed and positioning, the application combines the pressure plate and carbon brush support into one and only needs the fixed installation of single component, and the efficiency and precision of installation are greatly improved.

[0025] The utility model discloses an integrated support, further set up the shape of compression part and installation part, and through the transition connection of bending part and present an integral, and the plane of compression part and installation part is parallel and is located the same side of bending part, then the volume of integrated support is small, and the installation space required is small, and can satisfy the function of compression rotary variable stator and installing carbon brush simultaneously.

[0026] The utility model discloses a carbon brush structure, through the assembly of carbon brush through the positioning pressure plate in the installation part, set up the structure and shape of positioning pressure plate, can limit assembly on the installation part of carbon brush, and fastener passes through the positioning hole on the positioning pressure plate and the second fastening hole on the installation part, can realize the positioning and fixed to the installation part of carbon brush, set up the positioning buckle structure between carbon brush and positioning pressure plate, can prevent the relative sliding of carbon brush, realizes the positioning effect to carbon brush.

[0027] The utility model discloses a motor rotary variable structure, through the cooperation compression rotary variable stator of end cover and carbon brush structure's compression part, can realize the fixed of rotary variable stator, and need not set up fixed structure additionally, simplified the installation of rotary variable stator.

[0028] The utility model discloses a motor rotary variable structure, through setting up the recessed formation installation space of the outer surface of end cover, and the assembly of rotary variable stator and carbon brush structure is placed in the installation space, can be convenient for, reduces the overall volume of motor. ACCURACY

[0029] Figure 1 It is the structural diagram of the integrated support of the utility model,

[0030] Figure 2 It is the side view of integrated support,

[0031] Figure 3 It is the structural diagram of the carbon brush structure of the utility model,

[0032] Figure 4 It is the structural diagram of the cooperation of carbon brush and positioning pressure plate,

[0033] Figure 5 It is the structural diagram of the motor rotary variable structure of the utility model,

[0034] Figure 6 It is the structural diagram of the motor rotary variable structure after removing the cover plate.

[0035] Figure 7 is a sectional view of the motor rotary variable structure;

[0036] Figure 8 is Figure 7 is an enlarged view of A part of the motor rotary variable structure;

[0037] In the figure: 1 - one-piece support; 11 - compression part; 111 - first fastening hole; 12 - mounting part; 121 - second fastening hole; 13 - bending part; 2 - carbon brush; 3 - positioning pressing plate; 31 - positioning hole; 32 - first fastener; 33 - second fastener; 4 - fastener; 5 - rotary variable stator; 51 - outer convex part; 6 - end cover; 61 - mounting space; 62 - convex part; 621 - step surface; 7 - cover plate; 8 - rotary variable rotor; 81 - rotor compression ring; 9 - main shaft. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, but not intended to limit the present application and its application or use in any way. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0039] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a presence of the features, steps, operations, devices, components and / or combinations thereof.

[0040] The foregoing description, for purposes of explanation, sets forth specific values and arrangements of components and steps that are subject to many options. The intent is to be accurate in describing the principles and novel features of the application. Thus, although the application has been described with reference to specific embodiments thereof, it will be apparent to those of ordinary skill in the art that a number of changes can be made to the embodiments described without departing from the spirit and scope of the application. For example, the various features of the application can be combined in any combination, where possible. Accordingly, the scope of the application is to be construed as encompassing modifications and variations of the specific examples described herein, subject only to the conditions of the prior art.

[0041] In the description of the present application, it is necessary to understand that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated by the orientation or position relationship shown in the drawings are generally based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the protection scope of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0042] For the convenience of description, spatial relative terms such as "on", "above", "upper surface", "upper" and the like can be used herein to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "on" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the example term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative description used herein is interpreted accordingly.

[0043] In addition, it should be noted that the use of the words "first", "second" and the like to define parts of components is only for the convenience of distinguishing the corresponding parts of components, and the above words have no special meaning unless otherwise stated, therefore, it cannot be understood as a limitation on the protection scope of the present application.

[0044] AsFigures 1-2 As shown in the drawings, the embodiment provides an integrated support 1 which is an integrated structure and includes a pressing part 11 and a mounting part 12, and the pressing part 11 and the mounting part 12 are connected to each other through a bending part 13.

[0045] The pressing part 11 is in the shape of a ring with an opening, the mounting part 12 is in the shape of a U, and the two ends of the pressing part 11 are connected to the two ends of the mounting part 12 through the bending part 13.

[0046] As a preferred technical solution of the embodiment, the pressing part 11 is located on a first plane, the mounting part 12 is located on a second plane, and the first plane and the second plane are parallel and spaced apart from each other.

[0047] As a preferred technical solution of the embodiment, the pressing part 11 and the mounting part 12 are located on the same side of the bending part 13.

[0048] As a preferred technical solution of the embodiment, the pressing part 11 is provided with a first fastening hole 111, and the mounting part 12 is provided with a second fastening hole 121. Preferably, the first fastening hole 111 on the pressing part 11 is provided in multiple and uniformly distributed. In the embodiment, the first fastening hole 111 is three. The second fastening hole 121 is two, and the two second fastening holes 121 are separately provided.

[0049] As a preferred technical solution of the embodiment, the integrated support 1 is realized by sheet metal, and can be completed by one-time stamping, bending and tapping, which is low in cost and light in weight.

[0050] As shown in the drawings, Figures 3-4 The embodiment also provides a carbon brush structure, which includes the integrated support 1 and a carbon brush 2, and the carbon brush 2 is assembled on the mounting part 12 of the integrated support 1 through a positioning pressing plate 3.

[0051] The middle part of the positioning pressing plate 3 is formed with a recess which is adapted to the shape of the carbon brush 2, the carbon brush 2 can be embedded in the recess, and the two ends of the positioning pressing plate 3 are respectively extended with a connecting part in a plane, and the connecting part is provided with a positioning hole 31. When assembled, the connecting parts at the two ends can be attached to the mounting part 12, the positioning hole 31 is aligned with the second fastening hole 121, the fastener 4 can pass through the positioning hole 31 and the second fastening hole 121 to realize positioning and fastening, and then the carbon brush 2 is positioned and fixed on the integrated support 1.

[0052] As a preferred technical solution of the embodiment, a positioning buckle structure is arranged between the positioning pressing plate 3 and the carbon brush 2. The positioning buckle structure comprises a first fastener 32 and a second fastener 33 arranged on the positioning pressing plate 3, and a first groove corresponding to the first fastener 32 and a second groove corresponding to the second fastener 33 are arranged on the outer surface of the carbon brush 2. The first fastener 32 and the first groove cooperate to prevent the carbon brush 2 from being separated from the positioning pressing plate 3, and the second fastener 33 and the second groove cooperate to prevent the carbon brush 2 from sliding relative to the positioning pressing plate 3. The cooperation of the two buckles and the two grooves can prevent the carbon brush 2 from being separated from or moving relative to the positioning pressing plate 3.

[0053] As shown in Figures 5-8 The embodiment also provides a motor rotary structure, which comprises the carbon brush structure and further comprises a rotary stator 5 and an end cover 6. The pressing part 11 of the integrated support 1 cooperates with the end cover 6 to press the rotary stator 5.

[0054] The end cover 6 is arranged at one end of the motor. An installation space 61 is formed in the outer surface of the end cover 6. The rotary stator 5 and the carbon brush structure are arranged in the installation space 61. Specifically, a protruding part 62 is further formed on the outer surface of the end cover 6 in the installation space 61. The protruding part 62 can be an annular protrusion. A stepped surface 621 is formed on the inner circumferential surface of the protruding part 62. An outer protrusion 51 is formed on the outer circumferential surface of the rotary stator 5. The outer protrusion 51 can also be an annular protrusion. The outer protrusion 51 is embedded in the stepped surface 621. The pressing part 11 of the integrated support 1 is fixed on the protruding part 62. The pressing part 11 cooperates with the stepped surface 621 to form an annular groove with an inner opening. The outer protrusion 51 of the rotary stator 5 is embedded in the annular groove and is pressed and positioned.

[0055] As a preferred technical solution of the embodiment, in order to protect the rotary structure, a cover plate 7 is further fixed on the end cover 6. The cover plate 7 can close the installation space 62, so that the installation space 61 is relatively airtight.

[0056] The motor rotary structure of the embodiment further comprises a rotary rotor 8 and a main shaft 9. The end of the main shaft 9 is rotationally connected with the end cover 6. The rotary rotor 8 rotates with the main shaft 9. Specifically, the main shaft 9 is connected with the end cover 6 through a bearing. A stepped limiting surface is formed on the outer surface of the main shaft 9 in the installation space 61. The rotary rotor 8 is limited by the stepped limiting surface. A rotor pressing ring 81 cooperates with the rotary rotor 8 to press the rotary rotor 8.

[0057] Based on the above structure, the integrated support 1 of the motor rotary structure of the embodiment can press the rotary stator 5 and support the carbon brush 2. When the main shaft 9 rotates, the main shaft 9 is in contact with one side of the carbon brush 2, so as to introduce the static electricity in the main shaft 9 to the ground, thereby maintaining the integrity of the circuit. The structure can realize the functions of fixing and supporting by the integrated support 1, so that the number of parts is small, the reliability of the motor is improved, and the cost of the motor is reduced.

[0058] The embodiments of the present application are described in detail above with reference to the accompanying drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. An integrated bracket, characterized in that, include: A clamping part (11) is located on a first plane; Mounting part (12), the mounting part (12) extends on the second plane, the first plane and the second plane are parallel and spaced apart; The bending portion (13) is where the pressing portion (11) and the mounting portion (12) are integrated and transitioned through the bending portion (13). The pressing portion (11) and the mounting portion (12) are located on the same side of the bending portion (13).

2. The integrated bracket according to claim 1, characterized in that, The clamping part (11) is in the shape of an open ring, and a first fastening hole (111) is provided on the clamping part (11).

3. The integrated bracket according to claim 2, characterized in that, The mounting part (12) is U-shaped, and a second fastening hole (121) is provided on the mounting part (12).

4. The integrated bracket according to claim 3, characterized in that, The two ends of the pressing part (11) are respectively connected to the two ends of the mounting part (12) via the bending part (13) to form an integral unit.

5. A carbon brush structure, characterized in that, include: The integrated bracket as described in any one of claims 3-4; Carbon brush (2), which is assembled to the mounting part (12) by a positioning pressure plate (3).

6. A carbon brush structure according to claim 5, characterized in that, The positioning plate (3) has a recess in the middle that is adapted to the shape of the carbon brush (2). The two ends of the positioning plate (3) have connecting portions extending in plane. The connecting portions have positioning holes (31). The fastener (4) passes through the positioning hole (31) and the second fastening hole (121) to form a positioning fastener.

7. A carbon brush structure according to claim 6, characterized in that, A positioning buckle structure is provided between the positioning pressure plate (3) and the carbon brush (2).

8. A motor resolver structure, characterized in that, include: The carbon brush structure according to any one of claims 5-7; Rotational stator (5); End cap (6), which cooperates with the pressing part (11) of the integrated bracket to press the rotary stator (5).

9. The motor resolver structure according to claim 8, characterized in that, The outer surface of the end cap (6) is recessed to form an installation space (61), and the rotary stator (5) and the carbon brush structure are both placed in the installation space (61).

10. A motor resolver structure according to claim 9, characterized in that, A protrusion (62) is formed on the outer surface of the end cap (6) located in the mounting space (61). The protrusion (62) has a stepped surface (621). An outer protrusion (51) is formed on the outer peripheral surface of the resolver stator (5). The outer protrusion (51) is embedded in the stepped surface (621). The clamping part (11) of the integrated bracket is fixed to the protrusion (62) and clamps the outer protrusion (51) of the resolver stator (5).

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