CN208508700U - A kind of centrifugal device with spline connection structure - Google Patents
A kind of centrifugal device with spline connection structure Download PDFInfo
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- CN208508700U CN208508700U CN201820844924.3U CN201820844924U CN208508700U CN 208508700 U CN208508700 U CN 208508700U CN 201820844924 U CN201820844924 U CN 201820844924U CN 208508700 U CN208508700 U CN 208508700U
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- spline
- bearing
- connection structure
- centrifugation
- motor
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Abstract
The utility model discloses a kind of centrifugal device with spline connection structure, it includes being centrifuged outer barrel, the centrifugation interior bucket being arranged in the centrifugation outer barrel and the motor set on the centrifugation outer barrel lower surface, further includes the spline connection structure for connecting the centrifugation interior bucket and the motor.The centrifugation interior bucket offers bunghole in one on bottom plate；The centrifugation outer barrel, lower end are fixed with motor mounting plate, and an outer bunghole is offered on the motor mounting plate；The lower surface of the motor mounting plate is recessed inwardly the mounting groove to be formed and be connected to said tub hole；The motor, the upper end are equipped with a motor output shaft；The spline connection structure comprising internal spline spline, the internal spline being cooperatively connected with the internal spline spline, the external splines being cooperatively connected with the internal spline, upper bearing (metal), lower bearing, oil sealing, bearing outer ring.
Description
Technical field
The utility model relates to centrifugation apparatus technical fields, more specifically, be it is a kind of with spline connection structure from
Center device.
Background technique
Currently, the connection type of motor and centrifugation interior bucket is mainly based on direct-connected.The output shaft of motor and it is fixed on centrifugation
Keyway in interior bucket is closely connected.There are two types of fit systems for direct-connected tool: interference fit and clearance fit.But both are matched
Conjunction mode has its respective defect:
1, interference fit is the shrink value by axis and hole, can generate relative motion after hole axle cooperation.The actual size in hole
It is less than or equal to the actual size of axis forever.Installing and dismounting is not easy to production and subsequent after-sales service using the mode of interference fit
Bring many inconvenience.
2, clearance fit is the cooperation between spindle and hole with gap.The actual size in hole is always larger than or equal to axis
Actual size.Due to centrifugal barrel long-term high speed rotation at work, it is easy to cause disconnected between the keyway of motor output shaft and key
It splits.
Utility model content
Since the prior art is there are the above problem, the utility model proposes a kind of, and the centrifugation with spline connection structure is filled
It sets, collapses that key and installing and dismounting are inconvenient to ask its object is to solve existing motor and be centrifuged interior bucket connection type and be easy to appear
Topic.
The utility model solves the above problems by the following technical programs:
A kind of centrifugal device with spline connection structure comprising centrifugation outer barrel is arranged in the centrifugation outer barrel
It is centrifuged interior bucket and the motor set on the centrifugation outer barrel lower surface, further includes the flower for connecting the centrifugation interior bucket and the motor
It is keyed structure, wherein
The centrifugation interior bucket offers bunghole in one on bottom plate；
The centrifugation outer barrel, lower end are fixed with motor mounting plate, and an outer bunghole is offered on the motor mounting plate；
The lower surface of the motor mounting plate is recessed inwardly the mounting groove to be formed and be connected to said tub hole；
The motor, the upper end are equipped with a motor output shaft；
The spline connection structure comprising internal spline spline, with the internal spline spline be cooperatively connected internal spline, with
External splines, the upper bearing (metal), lower bearing, oil sealing, bearing outer ring of the internal spline mating connection；
The motor output shaft is mounted in the keyway of the internal spline spline；The internal spline spline is mounted on flower in institute
In the keyway of key；The internal spline is mounted in the keyway of the external splines；The top of the external splines periphery is equipped with described
Oil sealing；The lower part of the external splines periphery is sequentially installed with the upper bearing (metal) and the lower bearing；The bearing outer ring is mounted on
On the upper bearing (metal) and the lower bearing and the oil sealing；
Under the drive of motor output shaft rotation, the internal spline rotates and then drives the rotation of the external splines,
The external splines rotates in the upper bearing (metal) and the lower bearing and then the centrifugation interior bucket is driven to rotate.
It is preferred that the external splines is matched with the interior bunghole, the external splines upper end is fixedly connected in described
Bunghole.
It is preferred that the periphery of the motor output shaft lower end is equipped with gland；The gland is equipped with and the internal spline phase
The gland keyway of cooperation；The internal spline lower end is mounted in the gland keyway.
Consolidated it is preferred that the external splines lower end is protruded into said tub hole by the upper surface of fixing piece and the gland
Fixed connection.
It is preferred that the lower bearing lower end is protruded into said tub hole and is fixed the gland；The lower bearing
Outer diameter be greater than said tub hole diameter.
It is preferred that the bearing outer ring is fixedly connected on the upper surface of the motor mounting plate.
It is preferred that the upper surface of the oil sealing and the upper surface of the bearing outer ring are located at same horizontal line.
Due to using above-mentioned technological means, the application improves the structure of the centrifugal device with spline connection structure, electricity
Machine with the connection of centrifugation interior bucket using internal spline is matched with external splines in such a way that, external splines and internal spline cooperate can transmit compared with
Big torque, concentricity and axial slipping property are more preferable, it is not easy to the fracture between the keyway of motor output shaft and key occur, avoid
The cumbersome process of after-sales service.And compared to existing centrifugal device, the improved spline connection structure of the application makes electricity
The installing and dismounting of machine, centrifugation interior bucket and centrifugation outer barrel is simpler quick.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of the centrifugal device with spline connection structure of the utility model.
Fig. 2 is the partial structural diagram one of an embodiment of the spline connection structure of the utility model.
Fig. 3 is the partial structural diagram two of an embodiment of the spline connection structure of the utility model.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Referring to shown in Fig. 1 to Fig. 3, Fig. 1 is an implementation of the centrifugal device with spline connection structure of the utility model
The structural schematic diagram of example.Fig. 2 is the partial structural diagram one of an embodiment of the spline connection structure of the utility model.Fig. 3
For the partial structural diagram two of an embodiment of the spline connection structure of the utility model.In this embodiment, one kind has
The centrifugal device of spline connection structure includes being centrifuged outer barrel 1, the centrifugation interior bucket 2 being arranged in the centrifugation outer barrel 1 and being set to
The motor 3 of centrifugation 1 lower surface of outer barrel.The application replaces existing centrifugation interior bucket and motor using spline connection structure 4
Connection structure.
It is shown in Figure 1, bunghole 21 in one are offered in the centrifugation on barrel soleplate 22.1 lower end of centrifugation outer barrel is solid
Surely it is equipped with motor mounting plate 11.An outer bunghole 111 is offered on the motor mounting plate 11.The following table of the motor mounting plate 11
Inward-facing recess forms the mounting groove 112 being connected to said tub hole 111.3 upper end of motor is equipped with a motor output shaft 31.
The spline connection structure 4 include internal spline spline 41, with the internal spline spline 41 mating connection internal spline 42, with it is described
External splines 43, the upper bearing (metal) 44, lower bearing 45, oil sealing 46, bearing outer ring 47 of the mating connection of internal spline 42.
Referring to shown in Fig. 1 and Fig. 3, the motor output shaft 31 is mounted in the keyway of the internal spline spline 41.It is described
Internal spline spline 41 is mounted in the keyway of institute's internal spline 42.The internal spline 42 is mounted in the keyway of the external splines 43.
The top of 43 periphery of external splines is equipped with the oil sealing 46.The lower part of 43 periphery of external splines is sequentially installed on described
Bearing 44 and the lower bearing 45.The bearing outer ring 47 is mounted on the upper bearing (metal) 44 and the lower bearing 45 and the oil
In envelope 46.The structure of such design is simpler, and installing and dismounting is efficient and convenient.
The external splines 43 is matched with the interior bunghole 21, and 43 upper end of external splines is fixedly connected on the interior bunghole
21.The periphery of 31 lower end of motor output shaft is equipped with gland 32.The gland 32 is equipped with and matches with the internal spline 42
Gland keyway.42 lower end of internal spline is mounted in the gland keyway.Said tub hole is protruded into 43 lower end of external splines
It is fixedly connected by fixing piece with the upper surface of the gland 32 in 111.Said tub hole 111 is protruded into 45 lower end of lower bearing
It is middle to be fixed the gland 32.The outer diameter of the lower bearing 45 is greater than the diameter in said tub hole 111, so that the lower axle
It holds 45 the gland 32 is fixed in said tub hole 111.
The bearing outer ring 47 is fixedly connected on the upper surface of the motor mounting plate 11.The upper surface of the oil sealing 46 with
The upper surface of the bearing outer ring 47 is located at same horizontal line, and the oil sealing 46 is limited in the bearing outer ring 47.Institute
Oil sealing is stated and be the leakproofness for reinforcement structure, prevents the leakage of oil.
47 one side of bearing outer ring is fixedly connected with the motor mounting plate 11, on the other hand with the centrifugation interior bucket
2 close-fittings, and 43 upper end of the external splines is fixedly connected with said tub hole 111,43 lower end of external splines is fixedly connected with the pressure
Lid 32.When the centrifugation high speed rotation under the drive of the motor of interior bucket 2, the gland 32 will generate a downward drawing
Power guarantees that the centrifugation interior bucket 2 is unlikely to get rid of disengaging.The structure of such design is more stable and safe, extends it and uses the longevity
Life.
Under the drive of the motor output shaft 31 rotation, the internal spline 42 rotates and then drives the external splines 43
Rotation, the external splines 43 rotate in the upper bearing (metal) 44 and the lower bearing 45 and then the centrifugation interior bucket 2 are driven to rotate.
In conclusion the application improves the structure of the centrifugal device with spline connection structure, motor and centrifugation interior bucket
Connection using internal spline is matched with external splines in such a way that, external splines and internal spline, which cooperate, can transmit biggish torque, together
Axis degree and axial slipping property are more preferable, it is not easy to the fracture between the keyway of motor output shaft and key occur, avoid after-sales service
Cumbersome process.And compared to existing centrifugal device, the improved spline connection structure of the application makes motor, centrifugation interior bucket
And the installing and dismounting of centrifugation outer barrel is simpler quick.
Embodiments described above is merely to illustrate the utility model rather than limitation the scope of the utility model.This
The equivalent changes and modifications that field technical staff does the utility model all should belong to the utility model the attached claims
The covering scope of book.
Claims (7)
1. a kind of centrifugal device with spline connection structure comprising centrifugation outer barrel, be arranged in it is described centrifugation outer barrel in from
Intracardiac bucket and set on it is described centrifugation outer barrel lower surface motor, which is characterized in that further include connecting the centrifugation interior bucket and institute
State the spline connection structure of motor, wherein
The centrifugation interior bucket offers bunghole in one on bottom plate；
The centrifugation outer barrel, lower end are fixed with motor mounting plate, and an outer bunghole is offered on the motor mounting plate；
The lower surface of the motor mounting plate is recessed inwardly the mounting groove to be formed and be connected to said tub hole；
The motor, the upper end are equipped with a motor output shaft；
The spline connection structure comprising internal spline spline, with the internal spline spline be cooperatively connected internal spline, with it is described
External splines, the upper bearing (metal), lower bearing, oil sealing, bearing outer ring of internal spline mating connection；
The motor output shaft is mounted in the keyway of the internal spline spline；The internal spline spline is mounted on institute's internal spline
In keyway；The internal spline is mounted in the keyway of the external splines；The top of the external splines periphery is equipped with the oil sealing；
The lower part of the external splines periphery is sequentially installed with the upper bearing (metal) and the lower bearing；The bearing outer ring is mounted on described
On bearing and the lower bearing and the oil sealing；
Under the drive of motor output shaft rotation, the internal spline rotates and then drives the rotation of the external splines, described
External splines rotates in the upper bearing (metal) and the lower bearing and then the centrifugation interior bucket is driven to rotate.
2. the centrifugal device according to claim 1 with spline connection structure, which is characterized in that the external splines and institute
It states interior bunghole to match, the external splines upper end is fixedly connected on the interior bunghole.
3. the centrifugal device according to claim 1 with spline connection structure, which is characterized in that the motor output shaft
The periphery of lower end is equipped with gland；The gland is equipped with the gland keyway matched with the internal spline；The internal spline lower end peace
In the gland keyway.
4. the centrifugal device according to claim 3 with spline connection structure, which is characterized in that the external splines lower end
It protrudes into said tub hole and is fixedly connected by fixing piece with the upper surface of the gland.
5. the centrifugal device according to claim 4 with spline connection structure, which is characterized in that the lower bearing lower end
It protrudes into said tub hole and is fixed the gland；The outer diameter of the lower bearing is greater than the diameter in said tub hole.
6. the centrifugal device according to claim 1 with spline connection structure, which is characterized in that the bearing outer ring is solid
Surely it is connected to the upper surface of the motor mounting plate.
7. the centrifugal device according to claim 1 with spline connection structure, which is characterized in that the upper table of the oil sealing
Face and the upper surface of the bearing outer ring are located at same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820844924.3U CN208508700U (en) | 2018-06-01 | 2018-06-01 | A kind of centrifugal device with spline connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820844924.3U CN208508700U (en) | 2018-06-01 | 2018-06-01 | A kind of centrifugal device with spline connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208508700U true CN208508700U (en) | 2019-02-15 |
Family
ID=65287429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820844924.3U Active CN208508700U (en) | 2018-06-01 | 2018-06-01 | A kind of centrifugal device with spline connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208508700U (en) |
-
2018
- 2018-06-01 CN CN201820844924.3U patent/CN208508700U/en active Active
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