CN210183155U - Oil-retaining bearing end cover for fan motor, end cover structure, fan and air conditioner - Google Patents
Oil-retaining bearing end cover for fan motor, end cover structure, fan and air conditioner Download PDFInfo
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- CN210183155U CN210183155U CN201921060803.0U CN201921060803U CN210183155U CN 210183155 U CN210183155 U CN 210183155U CN 201921060803 U CN201921060803 U CN 201921060803U CN 210183155 U CN210183155 U CN 210183155U
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Abstract
The utility model provides a fan motor is with oiliness bearing end cover, end cover structure, fan and air conditioner relates to fan technical field, and it is more to have solved the oiliness bearing end cover structure spare part that the fan motor that exists among the prior art, the complicated technical problem of processing equipment process. The oil-retaining bearing end cover for the fan motor comprises an end cover body, wherein a bearing cavity is formed in the end cover body, and the bearing pressing claw can be directly connected with the end cover body so that the oil-retaining bearing is installed in the bearing cavity. The utility model discloses effectively reduce the condition that oiliness bearing end cover oil leak, equipment are complicated.
Description
Technical Field
The utility model belongs to the technical field of the fan technique and specifically relates to a fan motor is with oily bearing end cover, end cover structure, contain this oily bearing end cover's fan and an air conditioner.
Background
At present, the oil-containing bearing has the advantages of vibration absorption, external impact resistance and low cost, is particularly suitable for the working environment which is not easy to lubricate or is not allowed to be polluted by oil, and is widely applied to fan motors. The conventional oil-retaining bearing end cover structure includes: the oil-retaining bearing is arranged on the end cover through the bearing gland and the bearing pressing claw.
The applicant has found that the prior art has at least the following technical problems:
(1) the traditional oil-retaining bearing end cover structure has more parts and complex machining and assembling procedures; and bearing gland and end cover interference fit for probably there is the condition that oiliness bearing and motor axis of rotation do not coincide, cause fan motor low pressure to start badly, start noise great etc. is unusual, thereby suffer customer's after sale complaint.
(2) The oil-containing bearing is arranged on the end cover of the motor, and one end of the oil-containing bearing, which is far away from the bearing pressing claw, is almost flush with the end cover, so that lubricating oil in a bearing chamber of the motor is easy to overflow under a high-temperature environment, namely the oil leakage phenomenon occurs; the overflow of the lubricating oil in the oil-containing bearing chamber can result in the increase of the friction between the rotating shaft of the motor and the oil-containing bearing, thereby reducing the service life of the motor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fan motor is with oily bearing end cover, end cover structure, fan and air conditioner, it is more to have solved the oily bearing end cover structure spare part that the fan motor that exists among the prior art for the fan motor, the complicated technical problem of processing equipment process. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of oil-retaining bearing end cover for fan motor, including the end cover body, wherein, be provided with the bearing chamber on the end cover body, the bearing press the claw can directly with the end cover body is connected so that oil-retaining bearing installs in the bearing chamber.
Preferably, the end cover body includes the end cover main part and with the bearing installation department that the end cover main part is connected, be provided with the sunk structure on the terminal surface of end cover main part, the bearing installation department is located in the sunk structure, be provided with in the bearing installation department the bearing chamber, the bearing chamber with the inside intercommunication of end cover main part, the bearing installation department can press the claw with the bearing to be connected.
Preferably, the end face of the end cover main body part is provided with a connecting hole, the circumferential edge of the connecting hole extends towards the direction extending into the end cover main body part to form a connecting part of the end cover main body part, and the connecting part is connected with the bearing mounting part.
Preferably, the bearing mounting portion includes a pressing claw mounting portion, the pressing claw mounting portion with the end cover main body portion is connected, the pressing claw mounting portion can with the bearing pressing claw is connected.
Preferably, the circumferential edge of the end cover main body part connected with the pressing claw mounting part extends towards the axial direction close to the bearing cavity to form the pressing claw mounting part.
Preferably, the pressing claw mounting part is provided with a rivet, and when the bearing pressing claw is attached to the pressing claw mounting part, the rivet is squeezed to clamp the bearing pressing claw between the rivet and the pressing claw mounting part.
Preferably, the number of the rivets is not less than three, and the rivets are distributed along the circumferential direction of the pressing claw mounting part.
Preferably, the bearing mounting part further comprises a bearing placing part, and the bearing placing part is connected with the pressing claw mounting part and is located on one side, close to the end face of the end cover main body part, of the pressing claw mounting part.
Preferably, the circumferential edge of the pressing claw mounting part, which is far away from the end cover main body part, extends in a direction extending out of the end cover main body part to form the bearing placing part.
Preferably, the bearing is placed the portion and is included bearing laminating portion and the cotton portion of placing of oil absorption, the cotton portion of placing of oil absorption is connected the bearing laminating portion with press the claw installation department, bearing laminating portion is along keeping away from its cross-sectional diameter of orientation of the cotton portion of placing of oil absorption reduces gradually, works as oil-retaining bearing installs when the bearing cavity, bearing laminating portion medial surface with oil-retaining bearing laminates mutually just the cotton portion of placing of oil absorption with oil-retaining bearing has the interval.
Preferably, a distance exists between the free end surface of the bearing attaching portion and the end portion of the oil-retaining bearing in the bearing cavity.
Preferably, the distance between the free end surface of the bearing attaching portion and the end portion of the oil-retaining bearing in the bearing cavity is not less than 2 mm.
Preferably, the bearing chamber includes that oil return chamber and the bearing that is used for placing the oiliness bearing place the chamber, oil return chamber with the bearing is placed the chamber and is linked together just oil return chamber sets up the bearing is placed the chamber and is kept away from one side that the claw was pressed to the bearing, the lubricating oil in the oil return chamber can be along oil return chamber's inside wall flow direction the chamber is placed to the bearing.
Preferably, the bearing cavity is stamped and formed.
An end cover structure comprises the oil-containing bearing end cover for the fan motor.
A fan comprises the oil-retaining bearing end cover for the fan motor.
An air conditioner comprises the oil-containing bearing end cover for the fan motor.
The utility model provides a fan motor is with oily bearing end cover, bearing pressure claw can be directly be connected so that oily bearing installs in the bearing cavity with the end cover body, need not to install bearing gland, and the oily bearing end cover structure spare part that has solved the fan motor that exists among the prior art is more, the complicated technical problem of processing equipment process.
The utility model discloses preferred technical scheme can also produce following technological effect at least:
the design of the oil return cavity (the oil receiving nozzle) enables lubricating oil overflowing in the operation process of the motor to flow back through the inner side wall of the oil receiving nozzle, so that the lubricating oil can be recycled, the lubricating oil is effectively prevented from directly overflowing, and the oil leakage prevention effect is achieved.
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, 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 these drawings without creative efforts.
FIG. 1 is an exploded view of a conventional oil impregnated bearing end cap structure for a fan motor;
FIG. 2 is a schematic cross-sectional view of a conventional oil impregnated bearing end cap structure for a fan motor;
FIG. 3 is a partial enlarged view A of FIG. 2;
fig. 4 is an explosion structure diagram of the oil-retaining bearing end cover structure for the fan motor provided by the present invention;
fig. 5 is a schematic cross-sectional view of an oil-retaining bearing end cap structure for a fan motor according to the present invention;
fig. 6 is a partially enlarged view B of fig. 5.
FIG. 1-bearing cavity; 2-oil-retaining bearings; 3-pressing the claw by the bearing; 4-an end cap body portion; 41-a recessed structure; 42-a connecting portion; 5-a bearing mounting portion; 51-a press jaw mounting portion; 511-riveting; 52-bearing attachment; 53-oil absorbent cotton placing part; 6-oil return cavity; 7-traditional end caps; 8-bearing gland bush; 9-oil absorbent cotton.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of 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.
Referring to fig. 1-6, the utility model provides a fan motor is with oiliness bearing end cover, including the end cover body, wherein, be provided with bearing chamber 1 on the end cover body, the bearing presses claw 3 can directly be connected with the end cover body so that oiliness bearing 2 installs in bearing chamber 1. Referring to fig. 1 to 3, in the oil-containing end cover structure for the conventional fan motor, a bearing gland 8 is required, so that a large number of parts are required, and the machining and assembling processes are complicated; and adopt the utility model provides an end cover structure of oiliness bearing end cover combination can directly cancel the bearing gland, improves production efficiency height, reduces product material cost.
As an optional implementation manner of the embodiment of the present invention, the end cover body includes an end cover main body portion 4 and a bearing installation portion 5 connected to the end cover main body portion 4, a recessed structure 41 is provided on an end surface of the end cover main body portion 4, the bearing installation portion 5 is located in the recessed structure 41, a bearing cavity 1 is provided in the bearing installation portion 5, the bearing cavity 1 is communicated with the inside of the end cover main body portion 4, and the bearing installation portion 5 can be connected to the bearing pressing claw 3; referring to fig. 4-5, due to the arrangement of the end surface recessed structure 41 of the end cover main body portion 4, the bearing cavity 1 for placing the oil-containing bearing 2 is implemented in the bearing mounting portion 5; referring to fig. 1 to 3, in the oil-containing end cover structure for the conventional fan motor, a bearing gland 8 is required to be matched with the conventional end cover 7 to form a bearing placing space for placing the oil-containing bearing 2. The end face of the end cover main body part 4 is provided with a connecting hole, the circumferential edge of the connecting hole extends towards the direction extending into the end cover body to form a connecting part 42 of the end cover main body part 4, and the connecting part 42 is connected with the bearing mounting part 5.
As an optional implementation manner of the embodiment of the present invention, the bearing mounting portion 5 includes a pressing claw mounting portion 51, the pressing claw mounting portion 51 is connected to the end cover main body portion 4, and the pressing claw mounting portion 51 can be connected to the bearing pressing claw 3; the circumferential edge of the end cap body 4 connected to the pressing claw mounting portion 51 extends in the axial direction close to the bearing cavity 1 to form the pressing claw mounting portion 51. Referring to fig. 1-3, in the oil-containing end cover structure for the conventional fan motor, a conventional end cover 7 is provided with a riveting point which is in riveting fit with a bearing gland 8, the riveting point is arranged on the end surface of the conventional end cover 7, and lubricating oil can overflow from the gap due to the existence of the gap in riveting; the utility model discloses change bearing pressure claw 3 and with the hookup location of oiliness bearing end cover, can effectively avoid the risk of leaking oil from the end cover terminal surface.
As an optional implementation manner of the embodiment of the present invention, referring to fig. 4-6, the rivet 511 is disposed on the pressing claw mounting portion 51, when the bearing pressing claw 3 is attached to the pressing claw mounting portion 51, the rivet 511 is squeezed to clamp the bearing pressing claw 3 between the rivet 511 and the pressing claw mounting portion 51, and the connection manner between the bearing pressing claw 3 and the oil-retaining bearing end cover is simple and easy to operate; the number of the rivets 511 is not less than three, and the number of the rivets 511 can be determined according to the size of the bearing chamber, and the rivets 511 are uniformly distributed along the circumferential direction of the pressing claw mounting portion 51.
As an optional implementation manner of the embodiment of the present invention, the bearing mounting portion 5 further includes a bearing placing portion, which is connected to the pressing claw mounting portion 51 and is located on one side of the pressing claw mounting portion 51 close to the end surface of the end cover main body portion 4; the circumferential edge of the pressing claw mounting part 51 far away from the end cover main body part 4 extends in the direction of extending out of the end cover main body part 4 to form a bearing placing part; the bearing placing part comprises a bearing attaching part 52 and an oil absorption cotton placing part 53, the oil absorption cotton placing part 53 is connected with the bearing attaching part 52 and the pressing claw installation part 51, the diameter of the cross section of the bearing attaching part 52 along the direction away from the oil absorption cotton placing part 53 is gradually reduced, and when the oil-retaining bearing 2 is installed in the bearing cavity 1, the inner side surface of the bearing attaching part 52 is attached to the oil-retaining bearing 2, and the oil absorption cotton placing part 53 and the oil-retaining bearing 2 are spaced. Referring to fig. 4-6, the contour of the bearing joint part 52 is a spherical structure, which is intended to better match with the oil-retaining bearing 2, a proper amount of oil-absorbing cotton 9 is attached to the periphery of the oil-retaining bearing 4, and the other end of the oil-retaining bearing 2 is riveted with a rivet 511 provided by the end cover 1 through the bearing press claw 3 to fix the oil-retaining bearing 2.
As the optional implementation manner of the embodiment of the present invention, there is a gap between the free end surface of the bearing attaching portion 52 and the end portion of the oil-containing bearing 2 in the bearing cavity 1, see fig. 5, the bearing cavity 1 of the gap section can form an "oil receiving nozzle", so that the lubricating oil overflowing during the operation of the motor can flow back through the inner side wall of the "oil receiving nozzle", so that the lubricating oil can be recycled, the lubricating oil is effectively prevented from directly overflowing, the oil leakage prevention function is achieved, the friction between the oil-containing bearing and the rotating shaft is reduced, and the service life of the motor is prolonged; the distance m between the free end surface of the bearing attaching portion 52 and the end portion of the oil-retaining bearing 2 in the bearing cavity 1 can be not less than 2mm, the oil receiving effect is more obvious as the value of the distance m is larger, and the value of the distance m can be selected according to the actual situation.
As the embodiment of the utility model provides an optional implementation mode, bearing chamber 1 includes oil return chamber 6 and is used for placing the bearing of oiliness bearing 2 and places the chamber, and oil return chamber 6 places the chamber with the bearing and is linked together and return oil chamber 6 setting and place the one side that the chamber kept away from bearing pressure claw 3 at the bearing, and the lubricating oil in the oil return chamber 6 can be along the inside wall flow direction bearing of oil return chamber 6 and place the chamber. When the motor is in a high-temperature environment, the bearing placing cavity overflows to enable lubricating oil to flow circularly through the oil return cavity 6 (oil receiving nozzle), so that the common lubricating oil can be adopted to replace the lubricating oil with high temperature resistance, and the cost is reduced.
As the embodiment of the utility model provides an optional implementation mode, bearing chamber 1 stamping forming. Referring to fig. 4-5, the bearing cavity 1 can be formed in one step by stamping with a single-punch die, and the product forming precision is high.
The utility model provides an end cover structure, includes the utility model provides an oiliness bearing end cover for fan motor. The conventional oil-retaining bearing end cover structure includes: the oil-retaining bearing comprises a traditional end cover 7, a bearing gland 8, a bearing pressing claw 3, oil-absorbing cotton 9 and an oil-retaining bearing 2, wherein the oil-retaining bearing 2 is arranged on the traditional end cover 7 through the bearing gland 8 and the bearing pressing claw 3; and the utility model provides an end cover structure includes: the oil-retaining bearing comprises an oil-retaining bearing end cover, a bearing pressing claw 3, oil-absorbing cotton 9 and an oil-retaining bearing 2, wherein the bearing pressing claw 3 is directly connected with the oil-retaining bearing end cover so that the oil-retaining bearing 2 is installed on the end cover.
The utility model provides a fan, includes the utility model provides a fan motor is with oiliness bearing end cover. Adopt the utility model provides an end cover structure that oiliness bearing end cover assembled reduces the friction of oiliness bearing and axis of rotation, has increaseed the life of motor.
The utility model provides an air conditioner, includes the utility model provides an oiliness bearing end cover for fan motor.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (17)
1. An oil-retaining bearing end cover for a fan motor is characterized by comprising an end cover body, wherein,
the end cover comprises an end cover body and is characterized in that a bearing cavity (1) is formed in the end cover body, and a bearing pressing claw (3) can be directly connected with the end cover body so that an oil-retaining bearing (2) is installed in the bearing cavity (1).
2. The oiliness bearing end cover for the fan motor according to claim 1, characterized in that the end cover body comprises an end cover main body part (4) and a bearing installation part (5) connected with the end cover main body part (4), a recessed structure (41) is arranged on the end face of the end cover main body part (4), the bearing installation part (5) is located in the recessed structure (41), the bearing cavity (1) is arranged in the bearing installation part (5), the bearing cavity (1) is communicated with the inside of the end cover main body part (4), and the bearing installation part (5) can be connected with a bearing pressing claw (3).
3. The oiliness bearing end cover for the fan motor according to claim 2, characterized in that a connecting hole is provided on an end face of the end cover main body portion (4), a circumferential edge of the connecting hole extends in a direction extending into the interior of the end cover body to form a connecting portion (42) of the end cover main body portion (4), and the connecting portion (42) is connected with the bearing mounting portion (5).
4. The oilless bearing end cover for the fan motor according to claim 2 or 3, characterized in that the bearing mounting portion (5) includes a pressing claw mounting portion (51), the pressing claw mounting portion (51) is connected with the end cover main body portion (4), and the pressing claw mounting portion (51) is connectable with the bearing pressing claw (3).
5. The oil-retaining bearing end cover for the fan motor according to claim 4, wherein the circumferential edge of the end cover main body portion (4) connected to the pressure claw mounting portion (51) extends in the axial direction close to the bearing cavity (1) to form the pressure claw mounting portion (51).
6. The oilless bearing end cover for the fan motor according to claim 4, wherein a rivet (511) is provided on the pressing claw mounting portion (51), and when the bearing pressing claw (3) is attached to the pressing claw mounting portion (51), the bearing pressing claw (3) can be clamped between the rivet (511) and the pressing claw mounting portion (51) by pressing the rivet (511).
7. The oiliness bearing end cover for the fan motor according to claim 6, wherein the number of the rivets (511) is not less than three, and is distributed along the circumferential direction of the pressing claw mounting portion (51).
8. The oiliness bearing end cover for the fan motor according to claim 4, characterized in that the bearing mounting portion (5) further comprises a bearing placing portion connected with the pressing claw mounting portion (51) and located on a side of the pressing claw mounting portion (51) close to the end face of the end cover main body portion (4).
9. The oiliness bearing end cover for the fan motor according to claim 8, characterized in that the pressing claw mounting portion (51) extends away from the circumferential edge of the end cover main body portion (4) in a direction protruding out of the end cover main body portion (4) to form the bearing placing portion.
10. The oil-impregnated bearing end cover for the fan motor according to claim 8 or 9, wherein the bearing placement portion comprises a bearing attaching portion (52) and an oil-absorbent cotton placement portion (53), the oil-absorbent cotton placement portion (53) connects the bearing attaching portion (52) and the pressing claw installation portion (51), the cross-sectional diameter of the bearing attaching portion (52) is gradually reduced in a direction away from the oil-absorbent cotton placement portion (53), when the oil-impregnated bearing (2) is installed in the bearing cavity (1), the inner side surface of the bearing attaching portion (52) is attached to the oil-impregnated bearing (2) and the oil-absorbent cotton placement portion (53) is spaced from the oil-impregnated bearing (2).
11. The oil-impregnated bearing end cover for the fan motor as recited in claim 10, wherein a space exists between a free end surface of the bearing attaching portion (52) and an end portion of the oil-impregnated bearing (2) in the bearing cavity (1).
12. The oiliness bearing end cover for the fan motor according to claim 10, characterized in that the distance between the free end surface of the bearing attaching portion (52) and the end portion of the oiliness bearing (2) in the bearing cavity (1) is not less than 2 mm.
13. The oiliness bearing end cover for the fan motor according to claim 1, 11 or 12, characterized in that the bearing cavity (1) comprises an oil return cavity (6) and a bearing placing cavity for placing the oiliness bearing (2), the oil return cavity (6) is communicated with the bearing placing cavity and the oil return cavity (6) is arranged on one side of the bearing placing cavity far away from the bearing pressing claw (3), and the lubricating oil in the oil return cavity (6) can flow to the bearing placing cavity along the inner side wall of the oil return cavity (6).
14. The oil impregnated bearing end cap for a fan motor according to claim 1, wherein the bearing cavity (1) is stamped and formed.
15. An end cap construction comprising an oil impregnated bearing end cap for a fan motor as claimed in any of claims 1 to 14.
16. A fan comprising an oil impregnated bearing end cap for a fan motor as claimed in any of claims 1 to 14.
17. An air conditioner, characterized by comprising the oil-impregnated bearing end cover for the fan motor of any one of claims 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921060803.0U CN210183155U (en) | 2019-07-08 | 2019-07-08 | Oil-retaining bearing end cover for fan motor, end cover structure, fan and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921060803.0U CN210183155U (en) | 2019-07-08 | 2019-07-08 | Oil-retaining bearing end cover for fan motor, end cover structure, fan and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210183155U true CN210183155U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921060803.0U Active CN210183155U (en) | 2019-07-08 | 2019-07-08 | Oil-retaining bearing end cover for fan motor, end cover structure, fan and air conditioner |
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| CN (1) | CN210183155U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311502A (en) * | 2019-07-08 | 2019-10-08 | 珠海凯邦电机制造有限公司 | Fan motor oil containing bearing end cover, end cover structure, fan and air-conditioning |
| CN111245185A (en) * | 2020-03-26 | 2020-06-05 | 绍兴文理学院 | Method for mounting rear end part of motor |
-
2019
- 2019-07-08 CN CN201921060803.0U patent/CN210183155U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311502A (en) * | 2019-07-08 | 2019-10-08 | 珠海凯邦电机制造有限公司 | Fan motor oil containing bearing end cover, end cover structure, fan and air-conditioning |
| CN111245185A (en) * | 2020-03-26 | 2020-06-05 | 绍兴文理学院 | Method for mounting rear end part of motor |
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