CN215419856U - Novel motor with good sealing performance - Google Patents

Novel motor with good sealing performance Download PDF

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Publication number
CN215419856U
CN215419856U CN202122121952.7U CN202122121952U CN215419856U CN 215419856 U CN215419856 U CN 215419856U CN 202122121952 U CN202122121952 U CN 202122121952U CN 215419856 U CN215419856 U CN 215419856U
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China
Prior art keywords
rotor
controller
shell
novel motor
bracket
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CN202122121952.7U
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Chinese (zh)
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王会闯
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Shijiazhuang Tongye Electric Manufacturing Co ltd
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Shijiazhuang Tongye Electric Manufacturing Co ltd
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Abstract

The utility model relates to a novel motor with good sealing property, which comprises a rotor assembly, a stator assembly and a controller, wherein the controller is fixedly connected with the stator assembly, the first end of a rotor shell of the rotor assembly is open, the second end of the rotor shell of the rotor assembly is closed, a bracket of the stator assembly is arranged at the first end of the rotor shell and forms an end cover of the rotor shell, and the outer edge of the bracket is in sealing connection with the first end of the rotor shell in a way of relative rotation through an isolator. The novel motor with good sealing performance provided by the utility model adopts a single support structure, the controller and the motor are arranged together, the sealing effect of the rotor shell and the controller shell is good, the structure is compact, and the heat dissipation and dust prevention effects are good.

Description

Novel motor with good sealing performance
Technical Field
The utility model relates to a novel motor with good sealing performance, and particularly belongs to the technical field of motors.
Background
At present, in the manufacturing industry, the use of the motor is more and more popular, the requirement on the motor is higher and higher, and in order to improve the competitiveness of products in the industry, various motors are developed to meet the requirements of different customer groups. One of them is an external rotor motor, which is opposite to the general motor structure, with the rotor assembly outside and the stator assembly inside. The rotor has the advantages of large rotational inertia, good heat dissipation, copper wire saving, capability of directly embedding load elements such as a fan and the like on the rotor, and capability of meeting the requirement of small-volume complete machine installation size with certain power. With the progress of science and technology, people gradually adopt an outer rotor motor to replace an inner rotor motor, so that the space is saved, the energy consumption is reduced, and the noise is reduced. The outer rotor motor that uses in the current fan is the dual bracing motor, and the controller separately sets up with the motor, and the leakproofness is poor, and dustproof effect is poor. Aiming at the problems, the utility model provides a novel motor with good sealing performance, which adopts a single supporting structure, a controller and the motor are arranged together, and the rotor shell and the controller shell have good sealing effect, compact structure and good heat dissipation and dustproof effects.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a novel motor with good sealing performance, wherein a single supporting structure is adopted, a controller and the motor are arranged together, and a rotor shell and a controller shell have good sealing effect, compact structure and good heat dissipation and dustproof effects.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a novel motor that leakproofness is good, its includes rotor subassembly, stator module and controller, controller and stator module fixed connection, the first end of the rotor casing of rotor subassembly is uncovered, the second end is sealed, stator module's support is located the first end of rotor casing forms the end cover of rotor casing, the outer fringe of support with but connect through isolator pivoted relatively sealed between the first end of rotor casing.
As a further improvement of the present invention, the isolator includes a stationary ring part fixed on the bracket and a moving ring part fixed on the top of the rotor housing, the stationary ring part is provided with a stationary ring sealing groove in the circumferential direction, the moving ring part is provided with moving ring sealing teeth corresponding to the stationary ring sealing groove in the circumferential direction, the moving ring sealing teeth can rotate along the axis of the stationary ring part, and the moving ring sealing teeth are in sealing engagement with the stationary ring sealing groove.
As a further improvement of the utility model, annular notches with corresponding opening positions are respectively arranged on the inner circumferential surface of the static ring sealing groove and the side wall of the static ring sealing groove opposite to the inner circumferential surface, which are inserted with the dynamic ring sealing teeth, and form an installation cavity, and a floating O-shaped ring is arranged in the installation cavity.
As a further improvement of the utility model, the outer side surface of the static ring part and the connecting part of the bracket are provided with annular gaps, and static ring sealing rings are arranged in the gaps; the inner side surface of the movable ring part and the connecting part of the rotor shell are provided with annular gaps, and movable ring sealing rings are arranged in the gaps.
As a further improvement of the utility model, the bottom of the static ring part is provided with a sewage discharge hole communicated with the static ring sealing groove.
As a further improvement of the utility model, the rotor shell is cylindrical, the middle part of the rotor shell is fixedly provided with an installation shaft sleeve, and the inner wall of the rotor shell is fixedly provided with magnetic steel; the middle part of the bracket is fixedly provided with a mounting sleeve, and the outer side of the mounting sleeve is fixedly provided with a stator; the shaft in the rotor shell is coaxially and fixedly arranged with the rotor shell, the bottom of the shaft is fixedly arranged in the mounting sleeve, and the top of the shaft is arranged in the mounting sleeve through a plurality of bearings.
As a further improvement of the present invention, a fan is fixedly arranged at the left end of the shaft, and the fan is positioned in the controller housing.
As a further improvement of the utility model, a sealing ring is arranged between the bearing at the top of the shaft and the inner wall of the mounting sleeve of the bracket.
As a further improvement of the present invention, the rotor housing is integrally formed with the mounting sleeve, and the bracket is integrally formed with the mounting sleeve.
As a further improvement of the utility model, the stator assembly further comprises a controller shell, the controller shell is buckled on the support, the outer edge of the controller shell is connected with the edge of the support through a bolt, and the controller is arranged in the controller shell; the rotor is characterized in that an annular connecting plate is arranged on the outer wall of the rotor shell, and a plurality of fan impeller mounting holes are uniformly formed in the connecting plate in the circumferential direction.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the novel motor with good sealing performance provided by the utility model adopts a single support structure, the controller and the motor are arranged together, the sealing effect of the rotor shell and the controller shell is good, the structure is compact, and the heat dissipation and dust prevention effects are good. The rotor shell and the controller shell share one support for plugging, and the support and the rotor shell are connected through an isolator, so that the structure is compact and the dustproof effect is good; the rotor shell is provided with an installation shaft sleeve, the support is provided with an installation sleeve, one end of the shaft is fixed on the installation shaft sleeve, and the other end of the shaft is arranged on the installation sleeve through a bearing, so that the overall structural design is ingenious; and the fan is arranged at the left end of the shaft, so that heat dissipation is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of a rotor case and a supporter in the present invention.
Fig. 3 is a partially enlarged schematic view of a portion a of fig. 2.
Wherein: the device comprises a rotor shell 1, a mounting shaft sleeve 1-1, a support 2, a mounting sleeve 2-1, a shaft 3, a bearing 4, fan blades 5, a connecting plate 6, an isolator 7, a stationary ring part 7-1, a stationary ring sealing groove 7-2, a moving ring part 7-3, a moving ring sealing tooth 7-4, a floating O-shaped ring 7-5, a stationary ring sealing ring 7-6, a moving ring sealing ring 7-7, magnetic steel 8, a stator 9, a controller shell 10 and an output lead 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following description of the present invention with reference to the accompanying drawings and specific embodiments is given for clarity and completeness.
A novel motor with good sealing performance as shown in fig. 1-3, comprising:
the utility model provides a novel motor that leakproofness is good, its includes rotor subassembly, stator module and controller, controller and stator module fixed connection, rotor housing 1's of rotor subassembly first end is uncovered (left end in fig. 1), the second end seals (right-hand member in fig. 1), stator module's support 2 is located rotor housing 1 first end and formation rotor housing 1's end cover, the outer fringe of support 2 with but the sealed linking of isolator 7 relative rotation between rotor housing 1's the first end.
According to the novel motor with good sealing performance, one end of the shaft 3 is located at the bottom of the rotor shell 1, the other end of the shaft is located on the support 2, a single supporting structure is adopted, the controller and the motor are arranged together, the rotor shell 1 and the controller shell 10 are good in sealing effect, compact in structure and good in heat dissipation and dust prevention effects.
In this embodiment, the isolator 7 includes a stationary ring part 7-1 fixedly disposed on the right side of the bracket 2 and a moving ring part 7-3 fixedly disposed on the top of the rotor housing 1, a stationary ring sealing groove 7-2 is disposed on the stationary ring part 7-1 in the circumferential direction, a moving ring sealing tooth 7-4 is disposed on the moving ring part 7-3 in the circumferential direction, and the moving ring sealing tooth 7-3 corresponds to the stationary ring sealing groove 7-2 and can rotate along the axis of the stationary ring part 7-1, and the moving ring sealing tooth 7-4 is in sealing engagement with the stationary ring sealing groove 7-2. The movable ring sealing teeth 7-4 are inserted into the inner circumferential surface of the static ring sealing groove 7-2 and annular notches with corresponding opening positions are respectively arranged on the side walls, opposite to the inner circumferential surface, of the static ring sealing groove 7-2, the two notches form an installation cavity, and a floating O-shaped ring 7-5 is arranged in the installation cavity. The outer side surface of the static ring part 7-1 is provided with an annular gap at the connecting part of the bracket 2, and a static ring sealing ring 7-6 is arranged in the gap; the inner side surface of the moving ring part 7-3 is provided with an annular gap at the connecting part with the rotor shell 1, and a moving ring sealing ring 7-7 is arranged in the gap. And a sewage discharge hole communicated with the static ring sealing groove 7-2 is formed in the bottom of the static ring part 7-1.
The rotor shell 1 is cylindrical, a mounting shaft sleeve 1-1 is coaxially and fixedly arranged in the middle of the rotor shell, the mounting shaft sleeve 1-1 is positioned inside the rotor shell 1, magnetic steel 8 is fixedly arranged on the inner wall of the rotor shell 1, and the magnetic steel 8 and the rotor shell 1 form the rotor assembly; a mounting sleeve 2-1 is fixedly arranged in the middle of the support 2, the mounting sleeve 2-1 is positioned on the right side of the support 2, and a stator 9 is fixedly arranged on the outer side of the mounting sleeve 2-1; the shaft 3 in the rotor shell 1 is coaxially and fixedly connected with the rotor shell 1, the bottom of the shaft 3 is fixedly arranged in the mounting shaft sleeve 1-1, and the top of the shaft is arranged in the mounting sleeve 2-1 through a plurality of bearings 4.
The top end of the shaft 3 is fixedly provided with a fan 5, and the fan 5 is positioned in the controller shell 10 and is beneficial to heat dissipation.
A sealing ring is arranged between a bearing 4 at the top (the leftmost end in the figure 1) of the shaft 3 and the inner wall of a mounting sleeve 2-1 of the support 2, and an annular notch corresponding to the sealing ring is arranged on the inner wall of the mounting sleeve 2-1. As a further optimization, the static ring part 7-1 and the dynamic ring part 7-3 are mutually clamped together to prevent separation.
As a further optimization, the rotor housing 1 is integrally formed with the mounting sleeve 1-1, and the support 2 is integrally formed with the mounting sleeve 2-1.
The stator assembly further comprises a controller shell 10, the controller shell 10 is buckled on the support 2, the outer edge of the controller shell 10 is connected with the edge of the support 2 through a bolt, and the controller is arranged in the controller shell 10; and an annular connecting plate 6 is arranged on the outer wall of the rotor shell 1, and a plurality of fan impeller mounting holes are uniformly formed in the connecting plate 6 in the circumferential direction.
The rotor shell 1 and the controller shell 10 share one support 2 for plugging, and the support 2 is connected with the rotor shell 1 through an isolator 7, so that the structure is compact and the dustproof effect is good; the rotor shell 1 is provided with a mounting shaft sleeve 1-1, the support 2 is provided with a mounting sleeve 2-1, one end of the shaft 3 is fixed on the mounting shaft sleeve 1-1, the other end of the shaft is arranged on the mounting sleeve 2-1 through a bearing 4, and the overall structure design is ingenious.
The controller comprises a circuit board, and an inductor, a capacitor, a power module and a wiring terminal which are arranged on the circuit board, wherein the circuit board is fixedly arranged on the controller shell or the bracket; binding post and input wire and 11 electric connection of output wire, output wire 11 passes behind circuit board and the support 2 with winding on the stator 9 links to each other, the input wire is continuous with the external world after wearing out from the round hole on the controller casing 10 lateral wall. As a further optimization, an opening is arranged at the top of the controller shell 10, and a cover matched with the opening is clamped at the opening. The installation and the insertion of the input lead can be facilitated by arranging the opening and the cover.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a good novel motor of leakproofness which characterized in that: the rotor assembly comprises a rotor assembly, a stator assembly and a controller, wherein the controller is fixedly connected with the stator assembly, a first end of a rotor shell (1) of the rotor assembly is open, a second end of the rotor shell is closed, a bracket (2) of the stator assembly is arranged at the first end of the rotor shell (1) and forms an end cover of the rotor shell (1), and the outer edge of the bracket (2) is in sealed connection with the first end of the rotor shell (1) through a separator (7) in a manner of relative rotation.
2. The novel motor with good sealing performance according to claim 1, wherein the isolator (7) comprises a stationary ring part (7-1) fixedly arranged on the bracket (2) and a moving ring part (7-3) fixedly arranged on the top of the rotor housing (1), a stationary ring sealing groove (7-2) is arranged in the circumferential direction of the stationary ring part (7-1), moving ring sealing teeth (7-4) which correspond to the stationary ring sealing groove (7-2) and can enable the moving ring part (7-3) to rotate along the axis of the stationary ring part (7-1) are arranged in the circumferential direction of the moving ring part (7-3), and the moving ring sealing teeth (7-4) are in sealing engagement with the stationary ring sealing groove (7-2).
3. The novel motor with good sealing performance according to claim 2, wherein the moving ring sealing teeth (7-4) are inserted into the inner circumferential surface of the static ring sealing groove (7-2) and annular notches with corresponding opening positions are respectively formed in the side wall, opposite to the inner circumferential surface, of the static ring sealing groove (7-2), the two notches form a mounting cavity, and a floating O-shaped ring (7-5) is arranged in the mounting cavity.
4. The novel motor with good sealing performance as claimed in claim 2, wherein the outer side surface of the static ring part (7-1) is provided with an annular gap at the connecting part with the bracket (2), and a static ring sealing ring (7-6) is arranged in the gap; and the inner side surface of the moving ring part (7-3) is provided with an annular gap with the connecting part of the rotor shell (1), and a moving ring sealing ring (7-7) is arranged in the gap.
5. The novel motor with good sealing performance as claimed in claim 2, wherein a drain hole communicated with the static ring sealing groove (7-2) is formed at the bottom of the static ring part (7-1).
6. The novel motor with good sealing performance according to any one of claims 1 or 5, wherein the rotor housing (1) is cylindrical, a mounting shaft sleeve (1-1) is fixedly arranged in the middle of the rotor housing, and magnetic steel (8) is fixedly arranged on the inner wall of the rotor housing (1); a mounting sleeve (2-1) is fixedly arranged in the middle of the support (2), and a stator (9) is fixedly arranged on the outer side of the mounting sleeve (2-1); the shaft (3) in the rotor shell (1) is coaxially and fixedly arranged with the rotor shell (1), the bottom of the shaft (3) is fixedly arranged in the mounting shaft sleeve (1-1), and the top of the shaft is arranged in the mounting sleeve (2-1) through a plurality of bearings (4).
7. The novel motor with good sealing performance as claimed in claim 6, characterized in that a fan (5) is fixedly arranged at the left end of the shaft (3), and the fan (5) is positioned in the controller shell (10).
8. The novel motor with good sealing performance according to claim 6, characterized in that a sealing ring is arranged between the bearing (4) on the top of the shaft (3) and the inner wall of the mounting sleeve (2-1) of the bracket (2).
9. The novel motor with good sealing performance as claimed in claim 6, wherein the rotor housing (1) is integrally formed with the mounting sleeve (1-1), and the bracket (2) is integrally formed with the mounting sleeve (2-1).
10. The novel motor with good sealing performance according to claim 6, characterized in that the stator assembly further comprises a controller housing (10), the controller housing (10) is buckled on the bracket (2), the outer edge of the controller housing (10) is connected with the edge of the bracket (2) through a bolt, and the controller is arranged in the controller housing (10); the rotor is characterized in that an annular connecting plate (6) is arranged on the outer wall of the rotor shell (1), and a plurality of fan impeller mounting holes are uniformly formed in the connecting plate (6) in the circumferential direction.
CN202122121952.7U 2021-09-03 2021-09-03 Novel motor with good sealing performance Active CN215419856U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122121952.7U CN215419856U (en) 2021-09-03 2021-09-03 Novel motor with good sealing performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122121952.7U CN215419856U (en) 2021-09-03 2021-09-03 Novel motor with good sealing performance

Publications (1)

Publication Number Publication Date
CN215419856U true CN215419856U (en) 2022-01-04

Family

ID=79665292

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122121952.7U Active CN215419856U (en) 2021-09-03 2021-09-03 Novel motor with good sealing performance

Country Status (1)

Country Link
CN (1) CN215419856U (en)

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