CN210517994U - Bearing structure and motor - Google Patents
Bearing structure and motor Download PDFInfo
- Publication number
- CN210517994U CN210517994U CN201921663672.5U CN201921663672U CN210517994U CN 210517994 U CN210517994 U CN 210517994U CN 201921663672 U CN201921663672 U CN 201921663672U CN 210517994 U CN210517994 U CN 210517994U
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- bearing
- cover
- enclosing cover
- mounting
- hole
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Abstract
The utility model discloses a bearing structure and motor, bearing structure includes bearing, bearing enclosing cover, bearing end cover and mounting, the bearing end cover is used for installing on motor housing, the bearing enclosing cover with bearing end cover fixed connection, the bearing enclosing cover with the bearing end cover is used for the installation the bearing, the bearing is used for the cover to establish in the pivot, the mounting will the bearing is fixed in the pivot, the bearing enclosing cover is located the side of mounting, the inner wall of bearing enclosing cover with the space is left to the mounting, the space supplies lubricating grease in the bearing gets into the bearing enclosing cover. Compared with the prior art, the utility model discloses a bearing arrangement easily dismouting has saved a large amount of lubricating grease.
Description
Technical Field
The utility model relates to a motor element technical field, in particular to bearing structure and motor.
Background
The motor is used as a power source and has a large application range in the mechanical field, wherein the bearing is an important component part of the motor, and in order to prolong the service life of the bearing, an oil thrower is generally arranged beside the bearing, and the oil thrower can enable the bearing to be filled with grease, so that the lubricating effect in the bearing is ensured, and the friction of the bearing is reduced. Because disc and bearing are all installed in the pivot in the motor, and disc and pivot are interference fit, consequently when carrying out the dismouting to the bearing, need pull down the disc earlier, carry out the dismouting to the bearing again, the process is complicated and need consume a large amount of lubricating grease.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bearing structure and motor aims at solving the inconvenient and big problem of lubricating grease consumption of current bearing structure dismouting.
In order to realize the above object, the utility model provides a bearing structure, including bearing, bearing enclosing cover, bearing end cover and mounting, the bearing end cover is used for installing on motor housing, the bearing enclosing cover with bearing end cover fixed connection, the bearing enclosing cover with the bearing end cover is used for the installation the bearing, the bearing is used for the cover to establish in the pivot, the mounting will the bearing is fixed in the pivot, the bearing enclosing cover is located the side of mounting, the inner wall of bearing enclosing cover with the space is left to the mounting, the space supplies lubricating grease in the bearing gets into the bearing enclosing cover.
Optionally, the bearing outer cover is provided with a first through hole, and the bearing end cover is provided with a second through hole communicated with the first through hole.
Optionally, the bearing structure further comprises an inner bearing cover sleeved on the rotating shaft, and the inner bearing cover is fixedly connected with the bearing end cover.
Optionally, the fixing member is a round nut.
Optionally, the bearing structure further comprises a stop washer used in cooperation with the round nut, and the stop washer is used for fixing the round nut.
Optionally, the bearing outer cover comprises an oil hole arranged on the outer side of the bearing outer cover.
Optionally, the bearing outer cover further comprises an oil drain hole arranged on the outer side of the bearing outer cover, and the oil drain hole is opposite to the oil filling hole.
Furthermore, the utility model also provides a motor, include pivot, casing and as aforesaid bearing arrangement, bearing arrangement cover is established in the pivot, the pivot is passed through bearing arrangement installs on the casing.
Optionally, the rotating shaft is a stepped shaft and includes a first stepped shaft and a second stepped shaft, the bearing is sleeved on the second stepped shaft, and the first stepped shaft is matched with the fixing member to abut against an inner ring of the bearing.
The utility model discloses in the scheme, bearing housing installs on motor housing, bearing enclosing cover and bearing housing fixed connection, bearing and the equal cover of mounting are established in the pivot, wherein, the mounting is fixed the bearing in the pivot, the bearing is fixed through bearing enclosing cover and bearing housing, the mounting leaves the space between the bearing enclosing cover, when the motor operates, the inner wall that the bearing enclosing cover can be ensured in this space does not contact with the mounting, and can supply in the bearing lubricating grease get into the bearing enclosing cover, because the width in this space is less, consequently, the lubricating grease that enables in the bearing gets into in the bearing enclosing cover with less velocity of flow. The utility model discloses a bearing structure, through the width that reduces the space between bearing enclosing cover and the mounting, simplified bearing structure, easily install bearing structure, need not to ann the disc and just can reduce the lubricating grease volume that gets into the bearing enclosing cover in the bearing, saved lubricating grease's quantity.
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 a schematic cross-sectional structure diagram of a bearing structure according to an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a point a in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Bearing assembly | 5 | Fixing piece |
| 2 | Bearing outer cover | 6 | |
| 21 | Oil filler hole | 7 | |
| 22 | |
71 | |
| 3 | Bearing |
72 | |
| 4 | Bearing end cap |
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 addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
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, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides a bearing structure, as shown in fig. 1 and fig. 2, including bearing 1, bearing enclosing cover 2, bearing end cover 4 and mounting 5, wherein, bearing end cover 4 is installed on motor housing, bearing enclosing cover 2 and 4 fixed connection of bearing end cover, bearing enclosing cover 2 and bearing end cover 4 are used for installing bearing 1, bearing 1 is used for the cover to establish in pivot 7, mounting 5 fixes bearing 1 in pivot 7, wherein, bearing end cover 4 installs on motor housing, this bearing enclosing cover 2 is located mounting 5's side, bearing enclosing cover 2's inner wall leaves the space with mounting 5, this space supplies the lubricating grease in the bearing 1 to get into bearing enclosing cover 2.
In current bearing structure, generally be equipped with the oil slinger at the bearing side, prevent that the lubricating grease in the bearing can be thrown away under the effect of centrifugal force, because leave great space between bearing enclosing cover and the mounting, the lubricating grease who is thrown away then passes the space and gets into the bearing enclosing cover, lead to the inside lack of lubricating grease of bearing easily, thereby influence the operation of bearing, and the oil slinger of bearing side installation can prevent effectively that lubricating grease from getting into the bearing enclosing cover, but the oil slinger is interference fit with the pivot, so the installation is got up inconveniently, and will often add lubricating grease, lead to the consumption of lubricating grease big.
In the utility model, the bearing 1 and the fixing piece 5 are both sleeved on the rotating shaft 7, wherein the fixing piece 5 is arranged beside the bearing 1 to fix the bearing 1, the bearing end cover 4 is arranged on the motor shell, the bearing outer cover 2 is fixedly connected with the bearing end cover 4, the bearing outer cover 2 and the bearing end cover 4 are used for installing the bearing 1, the bearing outer cover 2 is arranged at one side close to the fixing piece 5, and a gap is reserved between the inner wall of the bearing outer cover 2 and the fixing piece 5, wherein the width of the gap is 2-3 mm, so that waste liquid of lubricating grease in the bearing can enter the bearing outer cover 2, because the fixing piece 5 rotates along with the rotating shaft 7, in order to avoid contact friction between the fixing piece 5 and the inner wall of the bearing outer cover 2, and in order to discharge the waste liquid in the bearing 1 into the bearing outer cover 2, the subsequent waste liquid cleaning is convenient, a gap, and the too big lubricating grease that then leads to easily in the bearing 1 along with the waste liquid together gets into in the bearing enclosing cover 2, causes a large amount of wastes, so the utility model discloses in, rationally design the width in space, when guaranteeing mounting 5 and bearing enclosing cover 2 noncontacting, guarantee again that the waste liquid in the bearing 1 can get into in the bearing enclosing cover 2 with minimum velocity of flow, for current bearing structure, the utility model discloses need not to install the disc and just enable to be full lubricating grease in the bearing 1, and enable the waste liquid and follow clearance entering bearing enclosing cover 2 with less velocity of flow, reduce the consumption of lubricating grease to guarantee to have sufficient lubricating grease in the bearing 1, need not often to add lubricating grease, this bearing structure is simpler moreover, makes things convenient for the staff to carry out the dismouting.
It should be noted that the bearing 1 provided by the present invention is a rolling bearing. Because the rolling bearing is convenient to use and maintain, can bear a large load when the rotating speed is high, and the friction resistance of the bearing 1 is small, the rolling bearing is generally selected in the motor, it should be noted that the rolling bearing selected in the embodiment is an angular contact ball bearing, of course, a deep groove ball bearing or other types of rolling bearings can be selected, and the selection of the bearing is determined according to the use condition.
Referring to fig. 1, in a preferred embodiment, the bearing outer cover 2 is provided with a first through hole (not shown), and the bearing end cover 4 is provided with a second through hole (also not shown) communicating with the first through hole, so that the bearing outer cover 2 and the bearing end cover 4 can be connected together by sequentially passing through the first through hole and the second through hole by bolts, and the bearing outer cover 2 and the bearing end cover 4 are used together to fix the outer ring of the bearing 1, so that the design can prevent the bearing 1 from rotating along with the rotating shaft 7 and moving along the axial direction of the rotating shaft 7.
Referring to fig. 1 again, in a more preferred embodiment, the bearing structure further includes an inner bearing cover 3 disposed on the rotating shaft 7, the inner bearing cover 3 is provided with a threaded hole (not shown) communicating with the second through hole of the bearing end cap 4, and the inner bearing cover 3, the bearing end cap 4 and the outer bearing cover 2 can be connected together by using a bolt sequentially passing through the first through hole and the second through hole and finally reaching the threaded hole. This enhances the fixation of the bearing 1, and further prevents the bearing 1 from moving in the axial direction of the rotating shaft 7 when rotating with the rotating shaft 7.
In a more preferred embodiment, as shown in fig. 1, the fixing member 5 provided in this embodiment is a round nut, and the rotating shaft 7 for receiving the round nut is provided with a thread matching with the round nut, so that the bearings 1 can be more accurately mounted by adjusting the round nut to adjust the distance between the bearings 1 on the rotating shaft 7.
Further, in the present embodiment, the bearing structure further includes a stop washer 6 used in cooperation with the round nut, and the stop washer 6 is used for fixing the round nut. Therefore, the round nut is further fixed, the probability of loosening of the round nut is reduced, and the efficacy of the round nut is enhanced.
Specifically, as shown in fig. 1, the bearing outer cover 2 includes the oil filling hole 21 located outside the bearing outer cover 2, so that the oil filling of the bearing 1 is realized without disassembling the bearing outer cover 2, the operation of workers is facilitated, and the processes are reduced.
More specifically, as shown in fig. 1, the bearing outer cover 2 further includes an oil drain hole 22 provided outside the bearing outer cover 2, the oil drain hole 22 being disposed opposite to the oil hole 21. Like this, need not artifical dismantlement bearing enclosing cover 2, clear up the waste liquid in the bearing 1, the operation of being convenient for has reduced staff's work load.
Furthermore, the utility model also provides a motor, including pivot 7, casing and foretell bearing structure, wherein, bearing structure cover is established in pivot 7, and pivot 7 passes through bearing structure and installs on the casing. The specific structure of the bearing structure refers to the above embodiments, and since the motor adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
Specifically, the rotating shaft 7 is a stepped shaft and includes a first stepped shaft 71 and a second stepped shaft 72, wherein the bearing 1 is sleeved on the second stepped shaft 72, the first stepped shaft 71 is matched with the fixing member 5 to support the inner ring of the bearing 1, the bearing inner ring 3 is sleeved on the first stepped shaft 71, the bolt sequentially passes through the first through hole, and the bearing outer cover, the bearing end cover and the bearing inner cover are connected by the second through hole and the threaded hole. The design of the stepped shaft increases the stability of the bearing 1 and reduces the probability that the bearing 1 moves along the axial direction of the rotating shaft 7.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a bearing structure, its characterized in that, includes bearing, bearing enclosing cover, bearing end cover and mounting, bearing end cover is used for installing on motor housing, the bearing enclosing cover with bearing end cover fixed connection, the bearing enclosing cover with bearing end cover is used for the installation the bearing, the bearing is used for the cover to establish in the pivot, the mounting will the bearing is fixed in the pivot, the bearing enclosing cover is located the side of mounting, the inner wall of bearing enclosing cover with the mounting leaves the space, the space supplies lubricating grease in the bearing gets into the bearing enclosing cover.
2. The bearing structure of claim 1 wherein the bearing outer cover defines a first through-hole and the bearing end cap defines a second through-hole that communicates with the first through-hole.
3. The bearing structure of claim 1 further comprising an inner bearing cap disposed over the shaft, wherein the inner bearing cap is fixedly connected to the end cap.
4. The bearing structure of claim 1 wherein the fixture is a round nut.
5. The bearing structure of claim 4 further comprising a stop washer for use with the round nut, the stop washer for securing the round nut.
6. The bearing structure according to any one of claims 1 to 5, wherein the bearing outer cover includes an oil hole provided outside the bearing outer cover.
7. The bearing structure according to claim 6, wherein the bearing outer cover further comprises an oil drain hole provided outside the bearing outer cover, the oil drain hole being disposed opposite to the oil filler hole.
8. An electric machine, comprising a rotating shaft, a housing and a bearing structure according to any one of claims 1 to 7, wherein the bearing structure is sleeved on the rotating shaft, and the rotating shaft is mounted on the housing through the bearing structure.
9. The motor of claim 8, wherein the rotating shaft is a stepped shaft and comprises a first stepped shaft and a second stepped shaft, the bearing is sleeved on the second stepped shaft, and the first stepped shaft is matched with the fixing member to abut against an inner ring of the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921663672.5U CN210517994U (en) | 2019-09-30 | 2019-09-30 | Bearing structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921663672.5U CN210517994U (en) | 2019-09-30 | 2019-09-30 | Bearing structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210517994U true CN210517994U (en) | 2020-05-12 |
Family
ID=70572402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921663672.5U Expired - Fee Related CN210517994U (en) | 2019-09-30 | 2019-09-30 | Bearing structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210517994U (en) |
-
2019
- 2019-09-30 CN CN201921663672.5U patent/CN210517994U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 Termination date: 20200930 |