CN216842682U - Cylindrical roller bearing for air conditioner motor - Google Patents
Cylindrical roller bearing for air conditioner motor Download PDFInfo
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- CN216842682U CN216842682U CN202220464514.2U CN202220464514U CN216842682U CN 216842682 U CN216842682 U CN 216842682U CN 202220464514 U CN202220464514 U CN 202220464514U CN 216842682 U CN216842682 U CN 216842682U
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- main shaft
- cylindrical roller
- air conditioner
- snap ring
- connecting seat
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Abstract
The utility model discloses a cylindrical roller bearing for air conditioner motor, including connecting the main shaft, connect the main shaft including main shaft chassis, main shaft chassis's up end leans on outside position movable mounting to have a plurality of lower floor's spherical roller, main shaft chassis's up end intermediate position fixed mounting has the connecting seat, a plurality of top screws have been seted up to the up end of connecting seat, it is connected with the countershaft to rotate on the lateral wall of connecting seat, the countershaft is including the connection pad, movable mounting has a plurality of cylindrical rollers on the inside wall of connection pad, bolted connection has the top main shaft on the last lateral wall of connecting seat, the up end bolted connection of top main shaft has the connection snap ring. The utility model discloses utilize the design of multilayer roller, very big reduction the frictional force between the bearing, prevent that the bearing during operation from sending the abnormal sound, utilize bolt structure can let the dismouting of bearing more convenient, reduced the degree of difficulty of maintaining, reduced use cost.
Description
Technical Field
The utility model relates to a bearing field especially relates to air conditioner is cylindrical roller bearing for motor.
Background
The air conditioning motor bearing is also named as a motor bearing or a motor bearing and is a special bearing specially applied to a motor or a motor. The motor uses a bearing, which is a part of the supporting shaft, and can guide the rotation of the shaft and bear the idle part on the shaft, and the concept of the bearing is wide. There are four types of bearings commonly used for electric motors, namely rolling bearings, sliding bearings, knuckle bearings and oil bearings. The most common motor bearings are rolling bearings, i.e. bearings with rolling bodies. Plain bearings are understood to be bearings without rolling bodies, i.e. bearings which perform a sliding movement.
However, the existing motor bearing has small clearance between the inner circle and the outer circle and large friction force, and is easy to generate abnormal sound when rotating, so that the inside of the bearing is damaged, the bearing is inconvenient to install, and once damaged, the bearing is not easy to maintain and is inconvenient to use.
In a conventional patent (CN 104736866A), a cylindrical roller bearing for an air conditioner motor is disclosed, in which at least one of a pair of inner flanges (3a, 3b) provided on both sides of a flanged outer ring (1) is formed by a retainer ring (3b) independent of the outer ring (1), and the retainer ring (3b) is fixed to the outer ring (1). A cylindrical roller (21) is inserted between an outer ring (1) and an inner ring (11) without a flange, and a retainer (31) for retaining the cylindrical roller (21) is positioned radially inward of a Pitch Circle (PC) of the cylindrical roller (21), so that even if the load capacity is increased by increasing the size or number of the cylindrical rollers (21), the load capacity can be increased while the strength of the retainer (31) is ensured without narrowing the width of a column part (33), and the cylindrical roller (21) and the retainer (31) for retaining the cylindrical roller (21) can be prevented from separating from the outer ring (1) even if the inner ring (11) separates.
However, this device still has some problems: the friction area between the inner circle and the outer circle is large, abnormal sound is easy to generate during rotation, the bearing is inconvenient to install, difficulty is too large during later maintenance, and the bearing is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art, and providing a cylindrical roller bearing for an air conditioner motor.
In order to achieve the above purpose, the utility model adopts the following technical scheme: cylindrical roller bearing for air conditioner motor, including connecting the main shaft, connect the main shaft including the main shaft chassis, the up end on main shaft chassis leans on outside position movable mounting to have a plurality of lower floor's spherical roller, the up end intermediate position fixed mounting on main shaft chassis has the connecting seat, a plurality of top screws have been seted up to the up end of connecting seat, it is connected with the countershaft to rotate on the lateral wall of connecting seat, bolted connection has the top main shaft on the last lateral wall of connecting seat, the up end bolted connection of top main shaft has the connection snap ring.
As a further description of the above technical solution:
the auxiliary shaft comprises a connecting disc, and a plurality of cylindrical rollers are movably mounted on the inner side wall of the connecting disc.
As a further description of the above technical solution:
the auxiliary shaft is rotationally connected with the outer side wall of the connecting seat through a cylindrical roller.
As a further description of the above technical solution:
the top main shaft is including the top reel, the snap ring groove has been seted up to the up end of top reel, the bottom of snap ring groove is provided with a plurality of equidistance distribution's connection screw, the lower terminal surface of top reel leans on outside position movable mounting to have a plurality of top spherical rollers.
As a further description of the above technical solution:
connect the snap ring including the go-between, two symmetric distribution's of fixedly connected with snap ring flange on the lateral wall of go-between, two all be provided with embedded screw on the board body of snap ring flange.
As a further description of the above technical solution:
the connecting clamp ring is connected in a clamp ring groove of the top main shaft through an embedded screw bolt.
As a further description of the above technical solution:
the connecting screw hole is matched with the top screw hole for use, and the top main shaft is connected to the connecting seat through a connecting screw hole bolt.
As a further description of the above technical solution:
and the lower spherical roller and the top spherical roller are respectively and rotatably connected to the upper side wall and the lower side wall of the connecting disc.
The utility model discloses following beneficial effect has:
in the utility model, utilize the countershaft and the layered design who connects main shaft, top main shaft, compare in traditional bearing, the joint gap is bigger, and frictional force is littleer, and the connection pad of countershaft passes through lower floor's spherical roller, the spherical roller in top and rotates respectively with being connected main shaft, top main shaft to be connected, has guaranteed that only rotation between per two continuous rotation pieces is connected, and frictional force between each other is minimum, has guaranteed that the bearing rotates the in-process and can not produce the abnormal sound.
In the utility model discloses, utilize to connect screw and top screw dismouting top main shaft for the holistic dismouting of bearing is more convenient, also makes the inside roller of bearing more conveniently maintain, utilizes the snap ring groove to connect the snap ring and installs the up end at the top main shaft, can protect inside bolt can not by oxidation damage, has prolonged the maintenance cycle of whole bearing, has reduced the use cost of bearing.
In the utility model discloses, utilize the design of multilayer roller, very big reduction the frictional force between the bearing, prevent that the bearing during operation from sending the abnormal sound, utilize bolt structure can let the dismouting of bearing more convenient, reduced the degree of difficulty of maintaining, reduced use cost.
Drawings
Fig. 1 is an overall view of a cylindrical roller bearing for an air conditioner motor according to the present invention;
fig. 2 is a schematic view of the connecting main shaft of the cylindrical roller bearing for the air conditioner motor according to the present invention;
fig. 3 is a schematic view of an auxiliary shaft of the cylindrical roller bearing for the air conditioner motor according to the present invention;
fig. 4 is a schematic reverse side view of the top spindle of the cylindrical roller bearing for the air conditioner motor according to the present invention;
fig. 5 is a schematic view of the top spindle of the cylindrical roller bearing for the air conditioner motor according to the present invention;
fig. 6 is a schematic view of a connection snap ring of the cylindrical roller bearing for the air conditioner motor according to the present invention;
fig. 7 is an enlarged schematic view of the snap ring flange and the embedded screw hole of the cylindrical roller bearing for the air conditioner motor according to the present invention.
Illustration of the drawings:
100. connecting the main shaft; 200. a counter shaft; 300. a top spindle; 400. connecting a snap ring; 101. a main shaft chassis; 102. a lower layer spherical roller; 103. a connecting seat; 104. a top screw hole; 201. a connecting disc; 202. a cylindrical roller; 301. a top hub; 302. a top spherical roller; 303. a snap ring groove; 304. a connecting screw hole; 401. a connecting ring; 402. a snap ring flange; 403. screw holes are embedded in the base.
Detailed Description
Referring to fig. 1-7, the present invention provides an embodiment: cylindrical roller bearing for air conditioner motor, including connecting main shaft 100, connect main shaft 100 including main shaft chassis 101, the up end of main shaft chassis 101 leans on outside position movable mounting to have a plurality of lower floor's spherical roller 102, the up end intermediate position fixed mounting of main shaft chassis 101 has connecting seat 103, a plurality of top screw 104 have been seted up to the up end of connecting seat 103, it is connected with countershaft 200 to rotate on the lateral wall of connecting seat 103, countershaft 200 is including connection pad 201, movable mounting has a plurality of cylindrical roller 202 on the inside wall of connection pad 201, countershaft 200 rotates through the lateral wall of cylindrical roller 202 with connecting seat 103 and is connected.
Bolted connection has top main shaft 300 on the last lateral wall of connecting seat 103, top main shaft 300 is including top reel 301, snap ring groove 303 has been seted up to top reel 301's up terminal surface, snap ring groove 303's bottom is provided with the connection screw 304 that a plurality of equidistance distributed, top reel 301's lower terminal surface leans on outside position movable mounting to have a plurality of top spherical rollers 302, top main shaft 300's up end bolted connection has connection snap ring 400, connect snap ring 400 including go-between 401, the snap ring flange 402 of two symmetric distributions of fixedly connected with on the lateral wall of go-between 401, all be provided with embedded screw 403 on the board of two snap ring flanges 402.
The connecting clamping ring 400 is connected in the clamping ring groove 303 of the top main shaft 300 through an embedded screw hole 403 in a bolt mode, the connecting screw hole 304 is matched with the top screw hole 104 for use, the top main shaft 300 is connected on the connecting seat 103 through the connecting screw hole 304 in a bolt mode, and the lower layer spherical roller 102 and the top spherical roller 302 are respectively connected on the upper side wall and the lower side wall of the connecting disc 201 in a rotating mode.
The working principle is as follows: by the layered design of the auxiliary shaft 200, the connecting main shaft 100 and the top main shaft 300, compared with the traditional bearing, the connecting clearance is larger, the friction force is smaller, and the connecting disc 201 of the auxiliary shaft 200 is respectively connected with the connecting main shaft 100 and the top main shaft 300 in a rotating way through the lower layer spherical roller 102 and the top spherical roller 302, so that only the rotating connection between every two connected rotating parts is ensured, the friction force between the rotating parts is extremely small, the abnormal sound is avoided in the rotating process of the bearing, the top main shaft 300 is assembled and disassembled by utilizing the connecting screw hole 304 and the top screw hole 104, the whole bearing is more convenient to assemble and disassemble, the roller in the bearing is more convenient to maintain, the connecting snap ring 400 is arranged on the upper end surface of the top main shaft 300 by the snap ring groove 303, the inner bolt can be protected from being damaged by oxidation, the maintenance period of the whole bearing is prolonged, and the use cost of the bearing is reduced.
Claims (8)
1. Cylindrical roller bearing for air conditioner motor is including connecting main shaft (100), its characterized in that: connect main shaft (100) including main shaft chassis (101), the up end of main shaft chassis (101) leans on outside position movable mounting to have a plurality of lower floor's spherical roller (102), the up end intermediate position fixed mounting of main shaft chassis (101) has connecting seat (103), a plurality of top screw (104) have been seted up to the up end of connecting seat (103), it is connected with countershaft (200) to rotate on the lateral wall of connecting seat (103), bolted connection has top main shaft (300) on the last lateral wall of connecting seat (103), the up end bolted connection of top main shaft (300) has connection snap ring (400).
2. The cylindrical roller bearing for an air conditioner motor according to claim 1, characterized in that: the auxiliary shaft (200) comprises a connecting disc (201), and a plurality of cylindrical rollers (202) are movably mounted on the inner side wall of the connecting disc (201).
3. The cylindrical roller bearing for an air-conditioning motor according to claim 2, characterized in that: the auxiliary shaft (200) is rotationally connected with the outer side wall of the connecting seat (103) through a cylindrical roller (202).
4. The cylindrical roller bearing for an air conditioner motor according to claim 1, characterized in that: top main shaft (300) are including top reel (301), snap ring groove (303) have been seted up to the up end of top reel (301), the bottom of snap ring groove (303) is provided with connection screw hole (304) that a plurality of equidistance distributed, the lower terminal surface of top reel (301) leans on outside position movable mounting to have a plurality of top spherical rollers (302).
5. The cylindrical roller bearing for an air conditioner motor according to claim 1, characterized in that: connect snap ring (400) including connecting ring (401), fixedly connected with two symmetric distribution's snap ring flange (402) on the lateral wall of connecting ring (401), two all be provided with embedded screw (403) on the board body of snap ring flange (402).
6. The cylindrical roller bearing for an air conditioner motor according to claim 4 or 5, characterized in that: the connecting snap ring (400) is connected in a snap ring groove (303) of the top main shaft (300) through an embedded screw hole (403) in a bolt mode.
7. The cylindrical roller bearing for an air conditioner motor according to claim 4, characterized in that: the connecting screw hole (304) is matched with the top screw hole (104) for use, and the top main shaft (300) is connected to the connecting seat (103) through the connecting screw hole (304) in a bolt mode.
8. The cylindrical roller bearing for an air conditioner motor according to claim 2 or 4, characterized in that: the lower layer spherical roller (102) and the top spherical roller (302) are respectively and rotatably connected to the upper side wall and the lower side wall of the connecting disc (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220464514.2U CN216842682U (en) | 2022-03-05 | 2022-03-05 | Cylindrical roller bearing for air conditioner motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220464514.2U CN216842682U (en) | 2022-03-05 | 2022-03-05 | Cylindrical roller bearing for air conditioner motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216842682U true CN216842682U (en) | 2022-06-28 |
Family
ID=82093649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220464514.2U Active CN216842682U (en) | 2022-03-05 | 2022-03-05 | Cylindrical roller bearing for air conditioner motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216842682U (en) |
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2022
- 2022-03-05 CN CN202220464514.2U patent/CN216842682U/en active Active
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