CN212627387U

CN212627387U - Floating elastic sheet structure of motor bracket assembly capable of improving starting performance of motor

Info

Publication number: CN212627387U
Application number: CN202021303950.9U
Authority: CN
Inventors: 罗永庆; 唐光亮
Original assignee: Shenzhen Zhaoli Motor Co ltd
Current assignee: Shenzhen Zhaoli Motor Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-02-26
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a floating elastic sheet structure of a motor bracket component capable of improving the starting performance of a motor, which comprises a stator component, a cast aluminum rotor, a front bracket component and a rear bracket component which are arranged at the two sides of the stator component, wherein the middle parts of the front bracket component, the stator component, the cast aluminum rotor and the rear bracket component are connected through a main shaft, the front bracket component and the rear bracket component respectively comprise a motor bracket, an oil-containing bearing and a bearing box which are arranged at the middle part of the motor bracket, a floating elastic sheet is arranged between the oil-containing bearing and the bearing box, the floating elastic sheet comprises a circular elastic sheet inner ring connected, and the outer ring tooth sheets which are arranged outside the inner ring of the elastic sheet, are mutually independent and have equal intervals, the utility model solves the problem that the support component of the motor in the prior art has uneven distribution of the restoring moment, and then the axiality of front and back oiliness bearing and motor stator three reduces, finally influences the starting performance's of motor problem.

Description

Floating elastic sheet structure of motor bracket assembly capable of improving starting performance of motor

Technical Field

The utility model relates to an electrical equipment field, in particular to can improve motor starting performance's floating elastic sheet structure of motor bracket component.

Background

The current elastic sheet structure adopts the mode that the whole excircle is compressed tightly, and the middle sawtooth is forced to hold the oil-retaining bearing tightly, thereby ensuring the holding force required by the bracket. But because the precision of support and the quality of riveting, the moment of reply that can seriously influence the support appears the support subassembly and replies moment distribution inequality, and then leads to front and back oiliness bearing and motor stator three axiality to reduce, finally influences the startability of motor.

SUMMERY OF THE UTILITY MODEL

In order to improve the easy bracket component that appears of traditional shell fragment and reply the uneven motor start problem that moment distributes and lead to, the utility model provides a shell fragment floats, this shell fragment that floats when guaranteeing the power of holding tightly that the support needs, has still avoided the easy inhomogeneity in clearance all around that appears of axle and bearing clearance fit, increases the mechanical flexibility of motor shaft for the mechanical friction loss of motor bearing reduces, improves motor startability.

In order to achieve the above purpose, the utility model provides a floating elastic sheet structure of a motor bracket component capable of improving the starting performance of a motor, which comprises a stator component, a cast aluminum rotor arranged at both sides of the stator component, a front bracket component and a rear bracket component,

the middle parts of the front bracket component, the stator component, the cast aluminum rotor and the rear bracket component are connected through a main shaft,

the front support component and the rear support component both comprise a motor support, an oil-containing bearing and a bearing box which are arranged in the middle of the motor support,

a floating elastic sheet is arranged between the oil-retaining bearing and the bearing box,

the floating elastic sheet comprises a circular elastic sheet inner ring connected with the oil-containing bearing and outer ring toothed sheets which are arranged outside the elastic sheet inner ring, independent from each other and equal in distance, and in one embodiment, the bottom of the stator assembly is connected with the wire packet assembly.

In one embodiment, two sides of the exterior of the oil-retaining bearing are provided with felts.

In one embodiment, the number of the outer ring teeth is at least 8, and the intervals of the outer ring teeth are equal.

The utility model has the advantages as follows:

this shell fragment floats when can guaranteeing the power of hugging closely that the support needs, and this shell fragment that floats still does not have the problem of atress skew between the footpath, and three hole site degrees, axiality between bearing and stator around can the aligning assurance that can float reduce mechanical friction loss, improve motor startability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is an outline view of a motor according to the present invention.

Fig. 2 is a sectional view of the motor bracket with floating elastic pieces of the present invention.

Fig. 3 is a 3D projection view of the floating elastic sheet of the present invention.

Fig. 4 is a sectional view of the motor bracket with the conventional spring plate.

Fig. 5 is a 3D projection view of a conventional dome.

[ list of reference numerals for main parts/components ]

Reference numerals	Name (R)	Reference numerals	Name (R)
				1	Main shaft	8	Felt
2	Front support component	9	Floating elastic sheet
				3	Stator assembly	90	Spring plate inner ring
4	Cast aluminum rotor	91	Outer ring tooth sheet
				5	Rear support component	10	Oil-retaining bearing
6	Solenoid assembly	11	Bearing box
				7	Motor support

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (e.g., upper, lower, left, right, front, rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific state (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

The description in this application as relating to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral molding; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Example 1:

referring to fig. 1-5, a floating spring plate 9 structure of a motor bracket 7 assembly capable of improving the starting performance of a motor comprises a stator assembly 3, a cast aluminum rotor 4 arranged at two sides of the stator assembly 3, a front bracket assembly 2 and a rear bracket assembly 5,

the middle parts of the front bracket component 2, the stator component 3, the cast aluminum rotor 4 and the rear bracket component 5 are connected through a main shaft 1,

the front bracket component 2 and the rear bracket component 5 both comprise a motor bracket 7, an oil-containing bearing 10 and a bearing box 11 which are arranged in the middle of the motor bracket 7,

a floating elastic sheet 9 is arranged between the oil-retaining bearing 10 and the bearing box 11,

the floating elastic sheet 9 comprises a circular elastic sheet inner ring 90 connected with the oil-retaining bearing 10 and outer ring toothed sheets 91 which are arranged outside the elastic sheet inner ring 90, independent from each other and have equal intervals. The motor comprises a main shaft 1, a front support assembly 2, a stator assembly 3, a cast aluminum rotor 4, a rear support assembly 5, a coil assembly 6 and six parts. As shown in fig. 4 and 5, compared with the conventional elastic sheet support assembly, the novel elastic sheet support assembly and the conventional elastic sheet support assembly both include a support, a felt 8 and an oil-retaining bearing 10, the elastic sheets are respectively a floating elastic sheet 9 and a conventional elastic sheet, and the novel elastic sheet structure support assembly further includes a bearing box 11 to ensure the riveting quality of the floating elastic sheet 9; as shown in fig. 4, the traditional spring plate structure is that the inner ring is sawtooth-shaped, and the outer ring is round; as shown in fig. 5, the floating elastic sheet 9 has a sawtooth-shaped outer ring and a round inner ring.

When the riveting structure is used, the riveting quality of the floating elastic sheet 9 is ensured by the bearing box 11, the structure of the floating elastic sheet 9 is that the inner ring is a whole circle, the oil-containing bearing 10 is tightly embraced, the embracing force is ensured, and the outer ring is of an eight-claw structure distributed in a zigzag manner.

Referring to fig. 1, preferably, a coil assembly 6 is attached to the bottom of the stator assembly 3.

Referring to fig. 1, preferably, the oiliness bearing 10 is provided with felt 8 at both outer sides thereof.

Referring to fig. 3, preferably, the number of the outer ring teeth 91 is at least 8, and the outer ring teeth 91 are equally spaced.

The working principle of the utility model is as follows:

this shell fragment 9 floats when can guaranteeing the power of hugging closely that the support needs, and this shell fragment 9 that floats still does not have the problem of atress skew between the footpath, and three hole site degrees, axiality between bearing and stator around can the aligning assurance that can float reduce mechanical friction loss, improve motor startability.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A floating spring structure of a motor bracket assembly capable of improving the starting performance of a motor is characterized by comprising a stator assembly, a cast aluminum rotor arranged at two sides of the stator assembly, a front bracket assembly and a rear bracket assembly,

the front support component, the stator component, the cast aluminum rotor and the middle part of the rear support component are connected through a main shaft,

the front support assembly and the rear support assembly respectively comprise a motor support, an oil-containing bearing and a bearing box which are arranged in the middle of the motor support,

the floating elastic sheet comprises a circular elastic sheet inner ring connected with the oil-retaining bearing and outer ring tooth sheets which are arranged outside the elastic sheet inner ring, independent from each other and equal in distance.

2. The floating spring structure of a motor bracket assembly for improving starting performance of a motor according to claim 1, wherein a cable pack assembly is connected to the bottom of the stator assembly.

3. The floating spring structure of a motor bracket assembly for improving starting performance of a motor according to claim 1, wherein two sides of the exterior of the oil-containing bearing are provided with felts.

4. The floating spring structure of a motor bracket assembly for improving starting performance of a motor according to claim 1, wherein the number of the outer ring teeth is at least 8, and the distance between the outer ring teeth is equal.