CN209462153U - A kind of attachment device and motor of shaft and bearing - Google Patents
A kind of attachment device and motor of shaft and bearing Download PDFInfo
- Publication number
- CN209462153U CN209462153U CN201920397741.6U CN201920397741U CN209462153U CN 209462153 U CN209462153 U CN 209462153U CN 201920397741 U CN201920397741 U CN 201920397741U CN 209462153 U CN209462153 U CN 209462153U
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- China
- Prior art keywords
- shaft
- bearing
- sleeve
- attachment device
- flanging
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Abstract
The utility model discloses the attachment devices and motor of a kind of shaft and bearing, the shaft and the attachment device of bearing include shaft and two bearings, it is characterized by: being mounted on shockproof axle sleeve between each bearing and shaft, the shockproof axle sleeve includes outer steel sleeve, interior steel bushing and resilient sleeve, resilient sleeve covers outside interior steel bushing, outer steel sleeve covers outside resilient sleeve, and interior steel bushing is sleeved on outside the shaft, and the bearing holder (housing, cover) is outside outer steel sleeve.The resilient sleeve of shockproof axle sleeve completely cuts off bearing and shaft, makes bearing and shaft without direct hard contact, so that reducing the vibration that shaft rotation generates is transmitted to complete machine, and then reduces motor noise.
Description
Technical field:
The utility model relates to the attachment devices and motor of a kind of shaft and bearing.
Background technique:
In the assembly of existing motor, shaft typically directly with bearing fit.And for motor, the generation of vibration is mainly
Because of the rotation of rotor, vibration is transmitted to bearing by shaft, then is transmitted to end cap, is then transmitted to complete machine.It therefore, is reduction
Noise caused by motor oscillating and vibration, needs to improve the connection relationship between bearing and shaft.
Utility model content:
The purpose of the utility model is to provide the attachment device and motor of a kind of shaft and bearing, it is avoided that shaft rotation produces
The problem of raw vibration is transmitted to complete machine, causes noise.
The purpose of this utility model is achieved by following technical proposals.
First purpose of the utility model is to provide the attachment device of a kind of shaft and bearing, including shaft and two axis
It holds, it is characterised in that: be mounted on shockproof axle sleeve between each bearing and shaft, the shockproof axle sleeve includes outer steel sleeve, interior
Steel bushing and resilient sleeve, resilient sleeve cover outside interior steel bushing, and outer steel sleeve covers outside resilient sleeve, and interior steel bushing is sleeved on the shaft
Outside, the bearing holder (housing, cover) is outside outer steel sleeve.
It is rubber or silica gel material that outer steel sleeve described above, interior steel bushing, which are Steel material manufacture, the resilient sleeve,
Manufacture.
Interior steel bushing described above and the shaft are interference fitted.
Bearing described above is ball bearing, including bearing inner race, bearing outer ring and ball, ball are mounted in bearing
Between circle and bearing outer ring.
Interior steel bushing one end radially protruding described above has annular bottom plate, and described resilient sleeve one end is equipped with the first flanging,
First flanging is against on annular bottom plate, and described outer steel sleeve one end radially protruding has the second flanging, the second flanging and annular
Bottom plate clamps the first flanging.
Installation space is formed between second flanging described above and outer steel sleeve outer surface, the bearing holder (housing, cover) is empty mounted in installation
Between, in bearing inner race and it is pressed on the second flanging.
Meet between the height H1 of installation space described above and the height H2 of the bearing: H1 >=H2.
Shaft described above is opened there are two locating slot, is respectively equipped with circlip, the annular of the interior steel bushing in two locating slots
Bottom plate is against on circlip.
Shaft described above is opened there are two locating slot, is respectively equipped with circlip, the annular of the interior steel bushing in two locating slots
Bottom plate is against on circlip.
Second purpose of the utility model is to provide a kind of motor, including rotor assembly, stator module and shaft and axis
The attachment device held, it is characterised in that: the attachment device of the shaft and bearing is the company of shaft and bearing described above
Connection device.
The utility model compared with prior art, has the effect that
1) attachment device of the shaft and bearing, including shaft and two bearings, it is characterised in that: each bearing with
Shockproof axle sleeve is mounted between shaft, the shockproof axle sleeve includes that outer steel sleeve, interior steel bushing and resilient sleeve, resilient sleeve cover
Outside interior steel bushing, outer steel sleeve covers outside resilient sleeve, and interior steel bushing is sleeved on outside the shaft, and the bearing holder (housing, cover) is outside outer steel sleeve；
The resilient sleeve of shockproof axle sleeve completely cuts off bearing and shaft, makes bearing and shaft without direct hard contact, turns to reduce shaft
The raw vibration of movable property is transmitted to complete machine, and then reduces noise；
2) further advantage elaborates in a particular embodiment.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the attachment device of the shaft that the utility model embodiment one provides and bearing；
Fig. 2 is enlarged drawing at the A of Fig. 1；
Fig. 3 is the structural schematic diagram of shockproof axle sleeve；
Fig. 4 is the cross-sectional view of shockproof axle sleeve；
Fig. 5 is the structural schematic diagram for the motor that the utility model embodiment two provides.
Specific embodiment:
The utility model is described in further detail below by specific embodiment and in conjunction with attached drawing.
Embodiment one:
As shown in Figures 1 to 4, it is provided in this embodiment be a kind of shaft and bearing attachment device, including shaft 1 and two
A bearing 2, it is characterised in that: shockproof axle sleeve 3 is mounted between each bearing 2 and shaft 1, the shockproof axle sleeve 3 includes
Outer steel sleeve 31, interior steel bushing 33 and resilient sleeve 32,32 sets of resilient sleeve outside interior steel bushing 33,31 sets of outer steel sleeve in resilient sleeve 32
Outside, interior steel bushing 33 is sleeved on outside the shaft 1, and the bearing 2 is sleeved on outside outer steel sleeve 31.The resilient sleeve 32 of shockproof axle sleeve 3
Bearing 2 and shaft 1 are completely cut off, make bearing 2 and shaft 1 without direct hard contact, is passed to reduce the vibration that the rotation of shaft 1 generates
It is delivered to complete machine, and then reduces motor noise.
It is rubber or silicon that outer steel sleeve 31 described above, interior steel bushing 33, which are Steel material manufacture, the resilient sleeve 32,
Glue material manufacture.It is at low cost.
Interior steel bushing 33 described above is interference fitted with the shaft 1.
Bearing 2 described above is ball bearing, including bearing inner race 21, bearing outer ring 23 and ball 22, and ball 22 is pacified
Between bearing inner race 21 and bearing outer ring 23.
33 one end radially protruding of interior steel bushing described above has annular bottom plate 331, and described 32 one end of resilient sleeve is equipped with first
Flanging 321, the first flanging 321 are against on annular bottom plate 331, and 31 one end radially protruding of outer steel sleeve has the second flanging
311, the second flanging 311 and annular bottom plate 331 clamp the first flanging 321.Shockproof 3 globality of axle sleeve is strong, easy for installation.
Installation space 30 is formed between second flanging 311 and outer steel sleeve described above, 31 outer surface, the bearing 2 is set with
In installation space 30, bearing inner race 21 and it is pressed on the second flanging 311.Second flanging, 311 isolation bearing inner ring, 21 He
Other elements in motor, shockproof effect is more preferable, is further reduced noise.
Meet between the height H1 of installation space 30 described above and the height H2 of the bearing 2: H1 >=H2.Guarantee bearing
The contact of 2a, 2b and shockproof axle sleeve 3a, 3b.
Shaft 1 described above is opened there are two locating slot 11, is respectively equipped with circlip 4, the interior steel bushing in two locating slots 11
33 annular bottom plate 331 is against on circlip 4.
Shaft 1 described above is opened there are two locating slot 11, is respectively equipped with circlip 4, the interior steel bushing in two locating slots 11
33 annular bottom plate 331 is against on circlip 4.The cooperation of locating slot 11 and circlip 4 is more convenient the fixed and positioned of shockproof axle sleeve 3.
Embodiment two:
As shown in figure 5, provided in this embodiment is a kind of motor, including rotor assembly 5, stator module 6 and shaft and axis
The attachment device 100 held, it is characterised in that: the attachment device 100 of the shaft and bearing is shaft described in embodiment one
With the attachment device of bearing.
The motor reduces motor noise by the improvement of shaft and the attachment device of bearing.
Above embodiments are the better embodiment of the utility model, and however, the embodiments of the present invention are not limited thereto,
Made changes, modifications, substitutions, combinations, simplifications under other any spiritual essence and principles without departing from the utility model are
Equivalent substitute mode, is included within the protection scope of the utility model.
Claims (9)
1. the attachment device of a kind of shaft and bearing, including shaft (1) and two bearings (2), it is characterised in that: each bearing
(2) it is mounted between shaft (1) shockproof axle sleeve (3), the shockproof axle sleeve (3) includes outer steel sleeve (31), interior steel bushing (33)
With resilient sleeve (32), resilient sleeve (32) cover interior steel bushing (33) outside, outer steel sleeve (31) cover resilient sleeve (32) outside, interior steel
Set (33) is sleeved on the shaft (1) outside, and the bearing (2) is sleeved on outer steel sleeve (31) outside.
2. the attachment device of a kind of shaft and bearing according to claim 1, it is characterised in that: the outer steel sleeve
(31), interior steel bushing (33) is that Steel material manufactures, the resilient sleeve (32) is rubber or silica gel material manufacture.
3. the attachment device of a kind of shaft and bearing according to claim 1, it is characterised in that: the interior steel bushing (33) with
Shaft (1) interference fit.
4. the attachment device of a kind of shaft and bearing according to claim 3, it is characterised in that: the bearing (2) is
Ball bearing, including bearing inner race (21), bearing outer ring (23) and ball (22), ball (22) be mounted on bearing inner race (21) and
Between bearing outer ring (23).
5. the attachment device of a kind of shaft and bearing according to claim 1 or 2 or 3 or 4, it is characterised in that: in described
Steel bushing (33) one end radially protruding has annular bottom plate (331), and described resilient sleeve (32) one end is equipped with the first flanging (321),
First flanging (321) is against on annular bottom plate (331), and described outer steel sleeve (31) one end radially protruding has the second flanging
(311), the second flanging (311) and annular bottom plate (331) clamp the first flanging (321).
6. the attachment device of a kind of shaft and bearing according to claim 5, it is characterised in that: second flanging
(311) installation space (30) are formed between outer steel sleeve (31) outer surface, the bearing (2) is sleeved on installation space (30), axis
It holds in inner ring (21) and is pressed on the second flanging (311).
7. the attachment device of a kind of shaft and bearing according to claim 6, it is characterised in that: the installation space (30)
Height H1 and the bearing (2) height H2 between meet: H1 >=H2.
8. the attachment device of a kind of shaft and bearing according to claim 7, it is characterised in that: the shaft (1) is provided with
Two locating slots (11), two locating slots (11) are interior to be respectively equipped with circlip (4), the annular bottom plate (331) of the interior steel bushing (33)
It is against on circlip (4).
9. a kind of motor, the attachment device (100) including rotor assembly (5), stator module (6) and shaft and bearing, feature
Be: the attachment device (100) of the shaft and bearing is shaft described in claim 1 to 8 any one and bearing
Attachment device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920397741.6U CN209462153U (en) | 2019-03-27 | 2019-03-27 | A kind of attachment device and motor of shaft and bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920397741.6U CN209462153U (en) | 2019-03-27 | 2019-03-27 | A kind of attachment device and motor of shaft and bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209462153U true CN209462153U (en) | 2019-10-01 |
Family
ID=68047455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920397741.6U Active CN209462153U (en) | 2019-03-27 | 2019-03-27 | A kind of attachment device and motor of shaft and bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209462153U (en) |
-
2019
- 2019-03-27 CN CN201920397741.6U patent/CN209462153U/en active Active
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