CN221531135U - Motor housing assembly and motor with same - Google Patents
Motor housing assembly and motor with same Download PDFInfo
- Publication number
- CN221531135U CN221531135U CN202323370424.0U CN202323370424U CN221531135U CN 221531135 U CN221531135 U CN 221531135U CN 202323370424 U CN202323370424 U CN 202323370424U CN 221531135 U CN221531135 U CN 221531135U
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- motor
- shoulder
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- cover
- assembly
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- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000001965 increasing effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a motor shell assembly and a motor with the motor shell assembly, which comprises a motor shell, wherein the interior of the motor shell is divided into a first cavity and a second cavity which are mutually independent through a motor rotor cover; the motor shell is provided with a main shell and an end cover which are matched with each other, an aviation socket can be arranged on the main shell, and the first cavity is communicated with the aviation socket; the first end of the motor rotor cover is provided with a supporting shoulder and is fixedly connected with the main shell through the supporting shoulder, and the second end of the motor rotor cover is fixedly connected with the end cover. The utility model can enhance the sealing strength of the motor shell, solve the problem of oil leakage in the motor shell during installation of the aviation socket, simplify the installation steps and reduce the manufacturing and assembly cost of the motor.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a motor shell assembly and a motor with the motor shell assembly.
Background
In the prior art, a stepping motor is generally adopted as a driving element of a servo valve, the stepping motor is in a dry motor scheme, and a wet motor scheme cannot be made due to the structural limitation of the stepping motor. However, the use of the wet motor scheme in the servo valve field is an industry trend, and for this reason, the inventors have made extensive literature reading and intensive studies to propose that a direct current brushless motor can be used as the wet motor scheme to drive a servo valve body, but the use of the wet motor scheme in the servo valve field has the following technical difficulties: 1. the sealing strength of the motor shell is improved, and the problem of leakage of high pressure inside the motor shell in the working process is solved. 2. The aviation socket of servo valve is generally installed in the outside of motor housing, and current motor housing is mostly left end cover, right-hand member lid and middle part casing's syllogic structure (like fig. 6), when adopting wet motor scheme as servo valve driving element use, still need consider the inside fluid of motor housing to reveal the problem to the installation of aviation socket, therefore prior art still exists the installation problem that needs to solve servo valve aviation socket. 3. The motor shell adopts a three-section structure, and the problems of complex installation steps and increased motor manufacturing and assembly cost exist.
Disclosure of utility model
A first object of the present utility model is to provide a motor housing assembly that addresses the deficiencies of the prior art. The utility model can enhance the sealing strength of the motor shell, solve the problem of oil leakage in the motor shell during installation of the aviation socket, simplify the installation steps and reduce the manufacturing and assembly cost of the motor.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
A motor housing assembly, characterized in that: the motor comprises a motor shell, wherein the interior of the motor shell is separated by a motor rotor cover to form a first cavity and a second cavity which are mutually independent; the motor shell is provided with a main shell and an end cover which are matched with each other, an aviation socket can be arranged on the main shell, and the first cavity is communicated with the aviation socket; the first end of the motor rotor cover is provided with a supporting shoulder and is fixedly connected with the main shell through the supporting shoulder, and the second end of the motor rotor cover is fixedly connected with the end cover.
Further: the motor rotor cover comprises a main shell, a motor rotor cover, a support shoulder, a first positioning shoulder, a second positioning shoulder, an end cover and a second positioning shoulder, wherein the main shell is provided with the first positioning shoulder, the end cover is provided with the second positioning shoulder which is coaxially arranged with the first positioning shoulder, the first end of the motor rotor cover is fixedly connected with the first positioning shoulder through the support shoulder, and the second end of the motor rotor cover is directly connected with the second positioning shoulder.
Further: the support shoulder is provided with a first mounting groove, and a first sealing ring is arranged in the first mounting groove.
Further: and a second mounting groove is formed in the second positioning shoulder, and a second sealing ring is arranged in the second mounting groove.
Further: the first positioning shoulder is provided with a mounting groove, and the supporting shoulder is matched with the mounting groove.
Further: the outer side wall of the main shell is provided with a lead opening, the aviation socket is arranged at the lead opening, and the first cavity is communicated with the aviation socket through the lead opening.
Further: and third sealing rings are arranged between the lead opening and the aviation socket connecting end and between the main shell and the end cover connecting end.
The utility model also provides a motor, which is characterized in that: the motor housing assembly comprises any one of the motor housing assemblies, wherein a stator assembly is arranged in the first chamber, the stator assembly is coaxially sleeved on the motor rotor cover, a motor shaft penetrating through the motor housing is arranged in the second chamber, and a rotor assembly is sleeved on the outer side of the motor shaft.
Further: the stator assembly comprises a stator sleeve and a stator winding arranged in the stator sleeve, the connecting end of the supporting shoulder and the first positioning shoulder is positioned outside the stator sleeve, and the supporting shoulder and the first positioning shoulder form a supporting piece when the rotor assembly rotates.
Compared with the prior art, the utility model has the following advantages:
1. The utility model is different from the three-section motor shell structure in the prior art, adopts the structure form that the main shell is matched with the end cover, thereby being capable of directly installing the aviation socket on the main shell and solving the installation problem of the aviation socket.
2. The utility model adopts the structure form of the main shell matched with the end cover, thereby enhancing the sealing strength of the motor shell, simplifying the installation steps of the motor and reducing the manufacturing and assembly cost of the motor.
3. The utility model is different from the prior art that the positioning shoulder is embedded into the stator sleeve, the stator sleeve is used as a rotating support piece of the rotor, and the support shoulder and the first positioning shoulder form the rotating support piece of the rotor, so that the effective length of the rotor is increased, and the whole structure of the motor is more compact.
4. The utility model increases the effective length of the rotor as much as possible in the effective space, improves the motor torque, and increases the output torque and the driving force of the motor.
Drawings
FIG. 1 is a schematic view of the external structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a cross-sectional view of a portion of the structure of the present utility model;
FIG. 4 is a cross-sectional view of the motor rotor cover of the present utility model;
FIG. 5 is a cross-sectional view of the main housing of the present utility model;
fig. 6 is a schematic cross-sectional structure of a motor according to the prior art.
Reference numerals: 1-a motor housing; 2-a motor rotor cover; 3-a first chamber; 4-a second chamber; 5-a main housing; 6-end caps; 7-aviation socket; 8-supporting a shoulder; 9-a first positioning shoulder; 10-a second locating shoulder; 11-a first mounting groove; 12-a first sealing ring; 13-a second sealing ring; 14-a mounting groove; 15-a lead opening; a 16-stator assembly; 17-a motor shaft; 18-a rotor assembly; 19-a third sealing ring; 20-bearing; 21-a second mounting groove; 22-stator sleeve; 23-screw holes.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present utility model, preferred embodiments of the present utility model will be described below with reference to specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the present utility model; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship described in the drawings are for illustrative purposes only and are not to be construed as limiting the utility model.
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
As shown in fig. 1 to 5, a motor housing assembly comprises a motor housing 1, wherein a first chamber 3 and a second chamber 4 which are mutually independent are formed in the motor housing 1 by separation of a motor rotor cover 2, the first chamber 3 and the second chamber 4 are arranged as a cladding structure of the first chamber 3 and the second chamber 4, and the motor rotor cover 2 is arranged as a thin-wall cylinder structure with two open ends; the motor housing 1 is provided with a main housing 5 and an end cover 6 which are matched, an aviation socket 7 can be installed on the main housing 5, and the first cavity 3 is communicated with the aviation socket 7; the first end of the motor rotor cover 2 is provided with a supporting shoulder 8 and is fixedly connected with the main shell 5 through the supporting shoulder 8, and the second end of the motor rotor cover 2 is fixedly connected with the end cover 6.
In this embodiment, the main housing 5 and the end cover 6 are fixedly connected with the servo valve through a plurality of screws, and screw holes 23 are formed in the main housing 5 and the end cover 6, and the screw holes 23 are used for accommodating the screws.
In this embodiment, the motor rotor cover 2 is made of aluminum alloy, titanium alloy, stainless steel or other non-magnetic and hard materials.
The main housing 5 is provided with a first positioning shoulder 9, the end cover 6 is provided with a second positioning shoulder 10 which is coaxially arranged with the first positioning shoulder 9, the first end of the motor rotor cover 2 is fixedly connected with the first positioning shoulder 9 through a supporting shoulder 8, and the second end of the motor rotor cover 2 is directly connected with the second positioning shoulder 10.
The support shoulder 8 is provided with a first mounting groove 11, and a first sealing ring 12 is arranged in the first mounting groove 11.
The second positioning shoulder 10 is provided with a second mounting groove 21, and a second sealing ring 13 is arranged in the second mounting groove 21.
The utility model achieves the positioning of the rotor assembly 18 by means of said first 9 and second 10 positioning shoulders. The motor rotor cover 2 is matched with the first positioning shoulder 9 and the second positioning shoulder 10 to form a dry-wet isolation boundary line, so that oil is prevented from leaking into the first chamber 3. The first sealing ring 12 and the second sealing ring 13 are used for sealing the connection ends of the motor rotor cover 2 and the first positioning shoulder 9 and the second positioning shoulder 10.
The first positioning shoulder 9 is provided with a mounting groove 14, and the supporting shoulder 8 is matched with the mounting groove 14.
The outer side wall of the main shell 5 is provided with a lead opening 15, the aviation socket 7 is installed at the lead opening 15, the first cavity 3 is communicated with the aviation socket 7 through the lead opening 15, and wiring of the stator assembly 16 is connected into the aviation socket 7 through the lead opening 15.
And a third sealing ring 19 is arranged between the lead opening 15 and the connecting end of the aviation socket 7 and between the main shell 5 and the connecting end of the end cover 6 for secondary protection, so that fatigue aging of the first sealing ring 12 and the second sealing ring 13 in the long-time working process of the motor is prevented, and oil liquid is leaked into the aviation socket 7 and outside the motor through the second chamber 4.
The motor has the motor housing assembly according to any one of the above claims, the stator assembly 16 is disposed in the first chamber 3, the stator assembly 16 is coaxially sleeved on the motor rotor cover 2, the motor shaft 17 penetrating through the motor housing 1 is disposed in the second chamber 4, and the rotor assembly 18 is sleeved outside the motor shaft 17.
In this embodiment, the two ends of the motor shaft 17 are provided with bearings 20 between the two ends and the first positioning shoulder 9 and the second positioning shoulder 10, and the first positioning shoulder 9 and the second positioning shoulder 10 are used for positioning and supporting the bearings 20.
The stator assembly comprises a stator sleeve 22 and stator windings 24 arranged in the stator sleeve 22, the connecting end of the supporting shoulder 8 and the first positioning shoulder 9 is positioned outside the stator sleeve 22, and the supporting shoulder 8 and the first positioning shoulder 9 form a supporting piece when the rotor assembly 18 rotates, so that the rigidity of the motor rotor cover 2 is improved, and the motor rotor cover 2 is prevented from deforming.
The rotor effective length of the rotor assembly 18 is the end face distance between the first positioning shoulder 9 and the second positioning shoulder 10, and has the effect of increasing the rotor effective length.
The present utility model is described and illustrated in the drawings, and one skilled in the art can easily make or use a motor housing assembly and a motor having the same, and can produce the positive effects described in the present utility model.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present utility model fall within the scope of the present utility model.
Claims (9)
1. A motor housing assembly, characterized in that: the motor comprises a motor shell, wherein the interior of the motor shell is separated by a motor rotor cover to form a first cavity and a second cavity which are mutually independent; the motor shell is provided with a main shell and an end cover which are matched with each other, an aviation socket can be arranged on the main shell, and the first cavity is communicated with the aviation socket; the first end of the motor rotor cover is provided with a supporting shoulder and is fixedly connected with the main shell through the supporting shoulder, and the second end of the motor rotor cover is fixedly connected with the end cover.
2. A motor housing assembly as claimed in claim 1, wherein: the motor rotor cover comprises a main shell, a motor rotor cover, a support shoulder, a first positioning shoulder, a second positioning shoulder, an end cover and a second positioning shoulder, wherein the main shell is provided with the first positioning shoulder, the end cover is provided with the second positioning shoulder which is coaxially arranged with the first positioning shoulder, the first end of the motor rotor cover is fixedly connected with the first positioning shoulder through the support shoulder, and the second end of the motor rotor cover is directly connected with the second positioning shoulder.
3. A motor housing assembly as claimed in claim 1, wherein: the support shoulder is provided with a first mounting groove, and a first sealing ring is arranged in the first mounting groove.
4. A motor housing assembly as claimed in claim 2, wherein: and a second mounting groove is formed in the second positioning shoulder, and a second sealing ring is arranged in the second mounting groove.
5. A motor housing assembly as claimed in claim 2, wherein: the first positioning shoulder is provided with a mounting groove, and the supporting shoulder is matched with the mounting groove.
6. A motor housing assembly as claimed in claim 1, wherein: the outer side wall of the main shell is provided with a lead opening, the aviation socket is arranged at the lead opening, and the first cavity is communicated with the aviation socket through the lead opening.
7. A motor housing assembly as set forth in claim 6 wherein: and third sealing rings are arranged between the lead opening and the aviation socket connecting end and between the main shell and the end cover connecting end.
8. A motor, characterized in that the motor is provided with a motor housing assembly according to any one of claims 1-7, a stator assembly is arranged in the first chamber, the stator assembly is coaxially sleeved on the motor rotor cover, a motor shaft penetrating through the motor housing is arranged in the second chamber, and a rotor assembly is sleeved on the outer side of the motor shaft.
9. An electric machine as claimed in claim 8, characterized in that: the stator assembly comprises a stator sleeve and a stator winding arranged in the stator sleeve, the connecting end of the supporting shoulder and the first positioning shoulder is positioned outside the stator sleeve, and the supporting shoulder and the first positioning shoulder form a supporting piece when the rotor assembly rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323370424.0U CN221531135U (en) | 2023-12-11 | 2023-12-11 | Motor housing assembly and motor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323370424.0U CN221531135U (en) | 2023-12-11 | 2023-12-11 | Motor housing assembly and motor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221531135U true CN221531135U (en) | 2024-08-13 |
Family
ID=92176812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323370424.0U Active CN221531135U (en) | 2023-12-11 | 2023-12-11 | Motor housing assembly and motor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221531135U (en) |
-
2023
- 2023-12-11 CN CN202323370424.0U patent/CN221531135U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |