CN214655827U - Drum washing machine and mounting structure of motor thereof - Google Patents
Drum washing machine and mounting structure of motor thereof Download PDFInfo
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- CN214655827U CN214655827U CN202023202587.4U CN202023202587U CN214655827U CN 214655827 U CN214655827 U CN 214655827U CN 202023202587 U CN202023202587 U CN 202023202587U CN 214655827 U CN214655827 U CN 214655827U
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- mounting
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- electric motor
- fixing hole
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Abstract
The utility model discloses a drum type washing machine and mounting structure of motor thereof, the motor includes the stator, motor installation mechanism includes: the bearing seat is used for mounting a bearing; the peripheral surface of the bearing seat is circumferentially provided with mounting ribs and first fixing holes at intervals; the mounting rib is used for assembling an inner ring of the stator; the first fixing holes are respectively overlapped with axes of the second fixing holes of the stator under the condition that the mounting ribs are assembled to the inner ring. The utility model discloses technical scheme aims at solving the poor technical problem of concentricity of motor and inner tube among the prior art.
Description
Technical Field
The utility model relates to a rolling washing machine technical field, in particular to drum type washing machine and mounting structure of motor thereof.
Background
The motor of the drum washing machine needs to drive the inner drum to rotate, the DD Direct drive motor (Direct Driver) is directly connected with the inner drum tripod, the concentricity of the motor and the inner drum is higher, the performance of the whole machine is better, and the installation of the motor is very important.
At present, in the prior art, a plurality of DD motor mounting and positioning modes are that pin holes are formed in a motor stator, positioning pins are formed in a bearing seat or a rear outer barrel, and during assembly, the stator is positioned through the positioning pins and then fastened through screws. However, the scheme has high requirements on the positions and the matching precision of the pins and the pin holes, and positioning and matching inaccuracy is easily caused, so that the problem of poor concentricity is caused.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a drum type washing machine and mounting structure of motor thereof aims at solving the poor technical problem of concentricity of motor and inner tube among the prior art.
In order to achieve the above object, the utility model provides an installation mechanism of motor is applied to drum type washing machine, the motor includes the stator, its characterized in that, motor installation mechanism includes:
the bearing seat is used for mounting a bearing; the peripheral surface of the bearing seat is circumferentially provided with mounting ribs and first fixing holes at intervals;
the mounting rib is used for assembling an inner ring of the stator;
the first fixing holes are respectively overlapped with axes of the second fixing holes of the stator under the condition that the mounting ribs are assembled to the inner ring.
Optionally, the bearing seat comprises a first body and a second body, the outer diameter of the first body is smaller than the outer diameter of the second body; wherein the second fixing hole is formed at an outer circumferential surface of the second body; the mounting rib is a protruding structure formed by radially extending on the outer peripheral surface of the first body.
Optionally, the mounting mechanism of the motor further includes a connecting member, and the connecting member sequentially extends into the second fixing hole and the first fixing hole, respectively, so that the motor is assembled to the bearing seat.
Optionally, the mounting ribs and the first fixing holes correspond to each other one by one, wherein an axial extending direction of the mounting ribs is parallel to an axial direction of the first fixing holes.
Optionally, the mounting rib comprises a chamfer at an end of the mounting rib remote from the first fixing hole.
Optionally, the number of the mounting ribs is 6, and the number of the first fixing holes is 6, wherein the 6 first fixing holes are uniformly arranged along the circumferential direction of the outer circumferential surface of the second body at intervals; the 6 mounting ribs are uniformly arranged along the circumferential direction of the outer circumferential surface of the first body at intervals;
optionally, the at least two first fixing holes and the at least two second fixing holes are screw holes.
Optionally, in order to achieve the above object, the present invention further provides a drum washing machine, which comprises a motor and the mounting mechanism of the motor.
Optionally, the inner ring of the stator is configured with a mounting groove, and the mounting groove is a concave structure formed by radially inwards concave on the inner circumferential surface of the inner ring.
Optionally, the drum washing machine comprises a drum and a drum connector, wherein the drum is connected with the motor through the drum connector.
The utility model discloses technical scheme has the installation muscle through the outer peripheral face structure at the bearing frame. During assembly, when the outer circumferential surface (part) of the bearing seat is matched with the inner circumferential surface of the inner ring of the stator, the mounting ribs are matched with the mounting grooves which are formed in advance by the inner ring in a constructed mode, and the circumferential fixing of the bearing seat and the motor is realized; and the peripheral face of the bearing seat is also provided with first fixing holes at intervals in the circumferential direction, the stator is provided with second fixing holes in advance, under the condition that the mounting ribs are assembled to the inner ring, the first fixing holes are respectively superposed with the axes of the second fixing holes of the stator, and the motor and the bearing seat can be precisely positioned, so that the concentricity and the stability of the DD motor are improved, the performance and the service life cycle of the whole machine are improved, and risks such as abnormal sounds are reduced.
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 exploded view of the driving part of the drum washing machine of the present invention;
FIG. 2 is an assembly view of the motor and bearing housing;
FIG. 3 is a schematic view of the assembly of FIG. 2 from a first perspective;
FIG. 4 is a perspective view of a bearing block;
FIG. 5 is a cross-sectional view of section A-A of FIG. 3;
FIG. 6 is a partial enlarged view of FIG. 5 at B;
fig. 7 is a schematic view of a bearing housing according to the present invention at a first viewing angle;
fig. 8 is a schematic view of a bearing seat at a second viewing angle according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 100 | |
200a-1 | |
|
| | Mounting |
200b | Rotor | |
| 100b | |
| Fixing piece | |
| 100c | |
300 | Connecting |
|
| 100d | |
400 | Tripod | |
| 200a | Stator | S | Mounting surface |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; 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, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating 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 addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an installation mechanism of motor is applied to drum type washing machine. The motor includes a stator 200a and a rotor 200 b. The assembly relationship between the stator 200a and the rotor 200b is conventional in the art and need not be described in detail herein. The drum washing machine comprises an inner drum, an outer drum, a tripod and a motor.
The utility model provides an installation mechanism of motor, the motor includes stator 200 a. The motor mounting mechanism includes:
a bearing housing 100 for mounting a bearing; the outer circumferential surface of the bearing seat 100 is circumferentially provided with mounting ribs 100a and first fixing holes 100b at intervals;
the mounting rib 100a is used for assembling an inner ring of the stator 200 a;
the first fixing holes 100b are respectively overlapped with the axes of the second fixing holes 200a-1 of the stator in a state where the mounting ribs 100a are fitted to the inner ring.
In the technical solution of the present invention, as shown in fig. 2 to 8, the mounting rib 100a is formed on the outer peripheral surface of the bearing housing 100. During assembly, when the outer circumferential surface (a part) of the bearing seat 100 is matched with the inner circumferential surface of the inner ring of the stator 200a, the mounting ribs 100a are matched with the mounting grooves which are formed in advance by the inner ring, so that the circumferential fixation of the bearing seat 100 and the motor is realized; moreover, the outer peripheral surface of the bearing seat 100 is also circumferentially provided with first fixing holes 100b at intervals, the stator 200a is pre-constructed with second fixing holes 200a-1, and under the condition that the mounting ribs 100a are assembled to the inner ring, the first fixing holes 100b are respectively superposed with the axes of the second fixing holes 200a-1 of the stator, at the moment, the motor and the bearing seat can be precisely positioned, the concentricity and the stability of the DD motor are improved, the stator of the DD motor is more conveniently and accurately mounted, the performance and the service life of the whole machine are improved, and the risk of generating abnormal sound and the like is reduced.
Alternatively, referring to fig. 7 and 8, the bearing housing 100 includes a first body 100c and a second body 100d, the first body 100c having an outer diameter smaller than that of the second body 100 d; wherein the second fixing hole 200a-1 is formed at an outer circumferential surface of the second body 100 d; the mounting rib 100a is a protruding structure formed to extend radially on the outer circumferential surface of the first body 100 c. In a specific implementation process, the outer diameter of the first body 100c is smaller than the outer diameter of the second body 100d, which mainly includes: the first body 100c is embedded in the inner ring of the stator 200a, the mounting rib 100a is embedded in the mounting groove of the inner ring of the stator 200a, and the end surface of the second body 100d facing the first body 100c and the end surface of the stator 200a facing away from the rotor are abutted against each other, so that the bearing seat 100 and the motor are axially fixed to each other.
Optionally, as shown in fig. 1, 5 and 6, the mounting mechanism of the motor further comprises a connecting member 300. The connection members 300 are extended into the second fixing holes 200a-1 and the first fixing holes 100b, respectively, in sequence, so that the motor is assembled to the bearing housing 100. In the specific implementation process, the second fixing hole 200a-1 and the first fixing hole 100b are consistent in size and same in shape; the connection member 300 is a member that is fitted with the second fixing hole 200a-1 and the first fixing hole 100b, for example, the second fixing hole 200a-1 and the first fixing hole 100b are screw holes, and the connection member 300 is configured with external threads that are fitted to the screw holes, so that the connection member 300 is sequentially screwed into the second fixing hole 200a-1 and the first fixing hole 100b, respectively. During assembly, the connecting member 300 first extends into the second fixing hole 200a-1 and then extends into the first fixing hole 100b, so that the bearing housing 100 and the motor are axially fixed to each other. During assembly, the motor is fastened by using screws, so that the reliability is higher, and the effects of improving the stability and the service life cycle of the whole machine are achieved
Optionally, the mounting ribs 100a and the first fixing holes 100b correspond to each other one by one, wherein an axial extending direction of the mounting ribs 100a is parallel to an axial direction of the first fixing holes 100 b. Referring to fig. 8, the axial extension direction of the mounting rib 100a may be understood as the length direction of the mounting rib 100 a. The axial extension direction of the mounting rib 100a is parallel to the axial direction of the first fixing hole 100 b: the main purpose is to make the axis of the driving motor and the axis of the bearing seat coincide as much as possible, and improve the concentricity.
Optionally, the mounting rib 100a includes a chamfer at an end of the mounting rib 100a distal from the first fixing hole 100 b. The chamfer is smooth, such as a cambered chamfer, mainly to enable the mounting rib 100a to be smoothly assembled to the mounting groove of the stator 200a and to prevent the mounting rib from scratching the housing of the stator.
Optionally, the number of the mounting ribs 100a is 6, and the number of the first fixing holes 100b is 6, wherein the 6 first fixing holes 100b are uniformly arranged at intervals along the circumferential direction of the outer circumferential surface of the second body 100 d; wherein the 6 mounting ribs 100a are circumferentially and uniformly spaced along the outer circumferential surface of the first body 100 c. Referring to fig. 7 to 8, the angle of the mounting ribs 100a circumferentially adjacent to each other is 60 °. The first fixing holes 100b circumferentially adjacent to each other are at an angle of 60 °. In addition, carry out the finish machining to the fitting surface of installation muscle 100a, the cooperation precision is high, reaches the effect that promotes motor assembly stability and concentricity. After multiple times of verification of the inventor, under the condition that the concentricity of the motor and the bearing seat 100 is ensured, the embodiment can also effectively improve the yield of injection molding so as to reduce the cost.
The utility model also provides a drum type washing machine, this drum type washing machine include the installation mechanism of motor and motor, and the concrete structure of the installation mechanism of this motor refers to above-mentioned embodiment, because this drum type washing machine has adopted all technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
Alternatively, the inner ring of the stator 200a is configured with a mounting groove, which is a concave structure formed at the inner circumferential surface of the inner ring to be radially concave. The recessed structure has the same size and shape as the mounting ribs, and as shown in fig. 5 and 6, the mounting grooves and the mounting ribs contact each other to form the mounting surface S.
Optionally, the drum washing machine includes a drum and a drum link, the drum being connected to the motor through the drum link. Referring to fig. 1, the drum connector is an inner cylinder tripod commonly used in the art. The inner cylinder tripod has a rotation shaft which is connected to the rotor 200b of the motor by extending through a bearing in the bearing housing 100, so that the motor can drive the inner cylinder tripod, thereby driving the drum to rotate. Specifically, the rotation shaft and the rotor 200b are axially fixed by a fixing member 200c, and specifically, the fixing member 200c may be a screw.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A mounting mechanism for an electric motor, the electric motor including a stator, the mounting mechanism comprising:
the bearing seat is used for mounting a bearing; the peripheral surface of the bearing seat is circumferentially provided with mounting ribs and first fixing holes at intervals;
the mounting rib is used for assembling an inner ring of the stator;
the first fixing hole coincides with an axis of a second fixing hole of the stator with the mounting rib fitted to the inner ring.
2. The mounting mechanism for an electric motor of claim 1, wherein said bearing housing comprises a first body and a second body, said first body having an outer diameter smaller than an outer diameter of said second body;
wherein the second fixing hole is formed at an outer circumferential surface of the second body;
the mounting rib is a protruding structure formed by radially extending on the outer peripheral surface of the first body.
3. The mounting mechanism for an electric motor according to claim 2, wherein said mounting mechanism for an electric motor further comprises a connecting member which extends into said second fixing hole and said first fixing hole in this order, respectively, so that said electric motor is fitted to said bearing housing.
4. The mounting mechanism for an electric motor according to claim 3, wherein said mounting ribs and said first fixing holes correspond one to one, respectively,
wherein, the axial extension direction of installation muscle is parallel with the axial of first fixed orifices.
5. The mounting mechanism for an electric motor of any one of claims 1 to 4, wherein said mounting ribs comprise chamfers,
the chamfer is arranged at one end, far away from the first fixing hole, of the mounting rib.
6. The mounting mechanism of an electric motor according to any one of claims 2 to 4, wherein the number of the mounting ribs is 6, the number of the first fixing holes is 6,
the 6 first fixing holes are uniformly arranged along the circumferential direction of the outer circumferential surface of the second body at intervals;
the 6 installation ribs are uniformly arranged along the circumferential direction of the outer circumferential surface of the first body at intervals.
7. The mounting mechanism for an electric motor according to any one of claims 1 to 4, wherein said first fixing hole and said second fixing hole are screw holes.
8. A drum washing machine characterized in that it comprises a motor and a mounting mechanism of the motor of any one of claims 1 to 7.
9. A drum washing machine according to claim 8, characterized in that the inner ring of the stator is configured with a mounting groove which is a concave structure formed at the inner circumferential surface of the inner ring to be radially concave.
10. A drum washing machine according to claim 8 or 9, characterized in that the drum washing machine comprises a drum and a drum connecting member by which the drum is connected to the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023202587.4U CN214655827U (en) | 2020-12-25 | 2020-12-25 | Drum washing machine and mounting structure of motor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023202587.4U CN214655827U (en) | 2020-12-25 | 2020-12-25 | Drum washing machine and mounting structure of motor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214655827U true CN214655827U (en) | 2021-11-09 |
Family
ID=78503375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023202587.4U Active CN214655827U (en) | 2020-12-25 | 2020-12-25 | Drum washing machine and mounting structure of motor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214655827U (en) |
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2020
- 2020-12-25 CN CN202023202587.4U patent/CN214655827U/en active Active
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