CN215498590U

CN215498590U - Brushless motor with built-in driving plate for lubrication

Info

Publication number: CN215498590U
Application number: CN202122276702.0U
Authority: CN
Inventors: 施昌钱; 邱凯; 顾广宏
Original assignee: Zhejiang Sanlang Lubrication Technology Co ltd
Current assignee: Zhejiang Sanlang Lubrication Technology Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-01-11
Anticipated expiration: 2031-09-18

Abstract

The application discloses lubricated with built-in drive plate brushless motor, including motor housing, the motor end cover, buffering shell and protective housing, motor housing's anterior and motor end cover fixed connection, the buffering shell covers and sets up in motor housing's surface, it is provided with a plurality of bellied elastic buffer portion to arrange on the buffering shell, the buffering shell outside is located to the protective housing cover, protective housing and elastic buffer portion interference fit, motor housing and protective housing swing joint, elastic buffer portion is suitable for and prevents the protective housing activity, this motor can be through the vibration of buffering shell buffering and isolated motor housing department, noise abatement produces.

Description

Brushless motor with built-in driving plate for lubrication

Technical Field

The application relates to the technical field of motors, in particular to a brushless motor with a built-in driving plate for lubrication.

Background

The brushless direct current motor is composed of a motor main body and a driver, is a typical electromechanical integration product, has the advantages of no brush, low interference, low noise, long service life, low maintenance cost and the like compared with a brush motor, and is generally used on equipment with higher control requirements and higher rotating speed, such as a model airplane, a precise instrument and meter and the like, which strictly controls the rotating speed of the motor, and the rotating speed needs to reach very high equipment.

However, the existing brushless motor has the following defects: although the brushless motor has low noise, the motor housing generates vibration due to high-speed operation of its internal components during operation, thereby generating high noise.

Disclosure of Invention

An object of the present application is to provide a brushless motor with a built-in driving plate for lubrication that can alleviate and isolate vibration noise.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: the utility model provides a lubricated with built-in drive plate brushless motor, includes motor housing, motor end cover, buffering shell and protective housing, motor housing's front portion with motor end cover fixed connection, the buffering shell cover set up in motor housing's surface, it is provided with a plurality of bellied elastic buffer portion to arrange on the buffering shell, the protective housing cover is located the buffering shell outside, the protective housing with elastic buffer portion interference fit, motor housing with protective housing swing joint, elastic buffer portion is suitable for the prevention the protective housing activity.

As an improvement, the elastic buffer part is arranged along the circumferential direction of the motor shell, a connecting column is arranged at the rear part of the motor shell, a connecting hole is formed in the protective shell, the diameter of the connecting column is smaller than that of the connecting hole, a buffer cushion is arranged between the motor shell and the protective shell, the buffer cushion is sleeved on the connecting column, the connecting column is suitable for penetrating through the connecting hole, and the connecting column is suitable for compressing the protective shell to the buffer cushion by using bolts.

As an improvement, the elastic buffering part is arranged along the circumferential direction of the motor shell, an elastic resetting piece is arranged at the rear part of the motor shell, the elastic resetting piece penetrates through the buffering shell and is fixedly connected with the protective shell, and the elastic resetting piece is suitable for preventing the protective shell from being separated from the buffering shell.

As the improvement, a cavity is formed in the elastic buffering part, and a buffering liquid is filled in the cavity.

As an improvement, the surface of the elastic buffer part is in a circular arc shape.

As an improvement, a movable gap is arranged between the motor end cover and the protective shell.

As an improvement, the end cover is provided with a driving shaft, a framework oil seal is arranged around the driving shaft, and the framework oil seal is suitable for sealing the driving shaft and a gap in the end cover support.

As an improvement, an accommodating groove with an outward opening is formed in the framework oil seal, a fastening ring is arranged in the accommodating groove, and the fastening ring is suitable for enabling the inner side of the framework oil seal to be tightly pressed on the driving shaft.

Preferably, the material of the buffer shell comprises silica gel or rubber or latex or a combination of the above materials.

As an improvement, a lead is connected to the motor shell, a sealing sheath is coated outside the lead, and a waterproof plug is arranged at the end of the lead.

Compared with the prior art, the beneficial effect of this application lies in: set up buffering shell and protective housing in motor housing's outside, the buffering shell is used for alleviating the vibration that motor housing department produced, can avoid vibration conduction to external world, and elastic buffer portion can support and fixed protective housing, outside motor housing was located to messenger's protective housing flexible sleeve, the protective housing of flexibility setting can play isolated and the effect of blocking the vibration, and the protective housing can also play the guard action simultaneously, can protect motor housing and buffering shell not receive the collision damage.

Drawings

FIG. 1 is a schematic overall structure according to a preferred embodiment of the present application;

FIG. 2 is an enlarged view at a in FIG. 1 according to a preferred embodiment of the present application;

FIG. 3 is an enlarged view at b of FIG. 1 in accordance with a preferred embodiment of the present application;

fig. 4 is a schematic view of the overall structure according to another preferred embodiment of the present application.

In the figure: 1. a motor housing; 11. connecting columns; 2. a motor end cover; 21. a drive shaft; 3. a buffer shell; 31. a buffer section; 311. a cavity; 4. a protective shell; 41. connecting holes; 42. a movable gap; 5. a cushion pad; 6. a bolt; 61. an elastic pad; 7. a wire; 71. a waterproof plug; 8. framework oil seal; 81. accommodating grooves; 82. a fastening ring; 9. an elastic reset member; 91. and (7) a pin shaft.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The present application is further described with reference to the accompanying drawings:

as shown in fig. 1 to 3, a preferred embodiment of the present application includes a motor housing 1, a motor end cover 2, a buffer shell 3 and a protective shell 4, wherein the front portion of the motor housing 1 is fixedly connected to the motor end cover 2, the buffer shell 3 is covered and disposed on the outer surface of the motor housing 1, and the buffer shell 3 can perform vibration reduction and noise reduction effects on the motor housing 1, so as to effectively suppress vibration generated at the motor housing 1.

Arrange on the buffering shell 3 and be provided with a plurality of bellied elastic buffer portion 31, the 3 outsides of buffering shell are located to protective housing 4 cover, protective housing 4 and 31 interference fit of elastic buffer portion, motor housing 1 and 4 swing joint of protective housing, elastic buffer portion 31 is suitable for and prevents the activity of protective housing 4, elastic buffer portion 31 can play support and fixed action to protective housing 4, make 4 flexonics of protective housing in motor housing 1's outside, improve the damping effect, protective housing 4 can be isolated to the vibration after weakening.

Elastic buffer portion 31 sets up along 1 circumference of motor housing, motor housing 1's rear portion is provided with spliced pole 11, connecting hole 41 has been seted up on protective housing 4, spliced pole 11's diameter is less than connecting hole 41's diameter, be provided with blotter 5 between motor housing 1 and the protective housing 4, blotter 5 cover is located on spliced pole 11, blotter 5 plays spacing and cushioning effect, avoid protective housing 4 to take place to rock, spliced pole 11 is suitable for passing connecting hole 41, spliced pole 11 is suitable for and uses bolt 6 to compress tightly protective housing 4 to blotter 5, can set up elastic gasket 61 reducing wear between bolt 6 and the protective housing 4, because spliced pole 11's diameter is less than connecting hole 41's diameter, consequently protective housing 4 can take place the activity at the within range of connecting hole 41, again with elastic buffer portion 31 cooperation, play the effect of making an uproar.

Be provided with activity gap 42 between motor end cover 2 and the protective housing 4, because protective housing 4 flexible set up in motor housing 1 outside, protective housing 4 can rock with motor housing 1 between, and activity gap 42 can avoid the collision between motor end cover 2 and the protective housing 4 to damage, reduces the production of abnormal sound and noise.

The material of the buffer shell 3 comprises silica gel or rubber or latex or the combination of the materials, and the materials have elasticity, can generate elastic deformation and can play a better vibration damping effect.

Be connected with wire 7 on the motor housing 1, the outer cladding of wire 7 has sealed sheath, and the tip of wire 7 is provided with waterproof plug 71, and wire 7 can have better waterproof dustproof performance through sealed sheath and waterproof plug 71, can reduce the probability of failure damage.

Be provided with drive shaft 21 on the end cover, drive shaft 21 uses 45 steel, and drive shaft 21 is provided with skeleton oil blanket 8 all around, and skeleton oil blanket 8 is suitable for the gap in sealed drive shaft 21 and the end cover support, can reduce in dust impurity gets into the motor from drive shaft 21, influences the life of motor.

As shown in fig. 2, a cavity 311 is formed in the elastic buffering portion 31, a buffer solution is filled in the cavity 311, the buffering capacity of the elastic buffering portion 31 can be increased through the buffer solution, the deformation capacity of the elastic buffering portion 31 is improved, meanwhile, due to different media, the conduction of vibration and noise can be effectively relieved, the vibration reduction and noise reduction effects are improved, the surface of the elastic buffering portion 31 is arc-shaped, the interference fit of the protective shell 4 to the elastic buffering portion 31 can be facilitated, and the installation difficulty is reduced.

As shown in fig. 3, the framework oil seal 8 is provided with an accommodating groove 81 with an outward opening, a fastening ring 82 is arranged in the accommodating groove 81, the fastening ring 82 is suitable for enabling the inner side of the framework oil seal 8 to be tightly pressed on the driving shaft 21, the framework oil seal 8 is fastened by the fastening ring 82, oil leakage at the driving shaft 21 can be further reduced, dust and impurities are prevented from entering, the service life of the driving shaft 21 is prolonged, and abrasion is reduced.

As shown in fig. 4, the connection structure of the protective shell 4 and the motor housing 1 according to another preferred embodiment of the present application includes an elastic buffer portion 31 disposed along the circumferential direction of the motor housing 1 and used as a support for the protective shell 4, and an elastic restoring member 9 disposed at the rear portion of the motor housing 1.

Elasticity resets 9 preferred use extension springs, moreover, the steam generator is simple in structure, high durability and convenient installation, elasticity resets 9 and plays the fixed action to protective housing 4, avoid protective housing 4 to break away from buffering shell 3, elasticity resets 9 and passes buffering shell 3 and protective housing 4 fixed connection, elasticity resets and can use round pin axle 91 to carry out spacing fixed after passing protective housing 4 for the tip of 9, avoid elasticity to reset 9 and take place to break away from with protective housing 4, elasticity resets 9 and is suitable for preventing protective housing 4 to break away from buffering shell 3.

Through setting up elasticity piece 9 that resets, make to be flexible connection between protective housing 4 and the buffering shell 3, when motor housing 1 produced the vibration, buffering shell 3 can effectually alleviate the vibration, reduces the conduction of vibration, and blocking of rethread protective housing 4 is isolated, further reduces the transmission of vibration to the production of noise abatement.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. The utility model provides a lubricated with built-in drive plate brushless motor which characterized in that: including motor housing, motor end cover, buffering shell and protective housing, motor housing's front portion with motor end cover fixed connection, the buffering shell cover set up in motor housing's surface, it is provided with a plurality of bellied elastic buffer portion to arrange on the buffering shell, the protective housing cover is located the buffering shell outside, the protective housing with elastic buffer portion interference fit, motor housing with protective housing swing joint, elastic buffer portion is suitable for the prevention the protective housing activity.

2. A brushless motor with a built-in driving plate for lubrication according to claim 1, wherein: the utility model discloses a motor, including motor shell, elastic buffer portion, motor shell, connecting hole, connecting pad, connecting column, motor shell's rear portion is provided with the spliced pole, the connecting hole has been seted up on the protective housing, the diameter of spliced pole is less than the diameter of connecting hole, motor shell with be provided with the blotter between the protective housing, the blotter cover is located on the spliced pole, the spliced pole is suitable for to pass the connecting hole, the spliced pole is suitable for to use the bolt with the protective housing compresses tightly extremely the blotter.

3. A brushless motor with a built-in driving plate for lubrication according to claim 1, wherein: the elastic buffering portion is arranged along the circumferential direction of the motor shell, an elastic resetting piece is arranged at the rear portion of the motor shell and penetrates through the buffering shell and the protective shell fixedly connected, and the elastic resetting piece is suitable for preventing the protective shell from being separated from the buffering shell.

4. A brushless motor with a built-in driving plate for lubrication according to claim 1, wherein: a cavity is formed in the elastic buffering part, and a buffering liquid is filled in the cavity.

5. A brushless motor with a built-in driving plate for lubrication according to claim 1, wherein: the surface of the elastic buffer part is arc-shaped.

6. A brushless motor with a built-in driving plate for lubrication according to claim 1, wherein: a movable gap is formed between the motor end cover and the protective shell.

7. A brushless motor with a built-in driving plate for lubrication according to claim 1, wherein: the end cover is provided with a driving shaft, a framework oil seal is arranged on the periphery of the driving shaft, and the framework oil seal is suitable for sealing the driving shaft and a gap in the end cover support.

8. A brushless motor with a built-in driving plate for lubrication according to claim 7, wherein: the framework oil seal is provided with an accommodating groove with an outward opening, a fastening ring is arranged in the accommodating groove, and the fastening ring is suitable for enabling the inner side of the framework oil seal to be tightly pressed on the driving shaft.

9. A brushless motor with a built-in driving plate for lubrication according to claim 1, wherein: the material of the buffer shell comprises silica gel or rubber or latex or the combination of the materials.

10. A brushless motor with a built-in driving plate for lubrication according to claim 1, wherein: the motor is characterized in that a lead is connected to the motor shell, a sealing sheath is coated outside the lead, and a waterproof plug is arranged at the end of the lead.