CN206072102U - Roll wheel assembly - Google Patents
Roll wheel assembly Download PDFInfo
- Publication number
- CN206072102U CN206072102U CN201621056739.5U CN201621056739U CN206072102U CN 206072102 U CN206072102 U CN 206072102U CN 201621056739 U CN201621056739 U CN 201621056739U CN 206072102 U CN206072102 U CN 206072102U
- Authority
- CN
- China
- Prior art keywords
- conical section
- roller
- wheel assembly
- roll wheel
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Rolls And Other Rotary Bodies (AREA)
Abstract
This utility model is related to a kind of roll wheel assembly, including fulcrum, roller, the fulcrum includes first conical section and the second conical section of the two axial ends connection of axis body and the axis body, the external diameter of first conical section and the second conical section is gradually reduced, the roller is set on the axis body, and the maximum outside diameter of the maximum outside diameter of first conical section and second conical section is all higher than the internal diameter of the roller.This utility model simple structure, easy to assembly, with low cost, roller is freely rotated on axis body, while avoid roller axial movement and swing, and noise is low during rolling, comfort is strong, long service life, with good application prospect.
Description
Technical field
This utility model is related to a kind of roll wheel assembly.
Background technology
Roller is usually provided with the bottom of some household appliances such as vacuum cleaner, garment steamer, in the process of work
In, mobile body that can be random need not stop work and carry body, reduce workload.Existing roll wheel assembly includes roller
Axle, bearing, wheel, roller shaft are d-axis structures, and bearing located between roller shaft and wheel, rock by the axial direction to avoid wheel,
Jump ring is additionally provided with, causes roller structure complicated, assemble loaded down with trivial details, parts are more, high cost, and cause during rolling
Wheel wear is serious, while very big noise can be produced.
Utility model content
This utility model overcomes the deficiencies in the prior art, there is provided the low roller group of a kind of simple structure, low cost, noise
Part.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of roll wheel assembly, including fulcrum, roller,
The fulcrum includes first conical section and the second conical section of the two axial ends connection of axis body and the axis body, described first
The external diameter of conical section and the second conical section is gradually reduced, and the roller is set on the axis body, and described first is conical
The maximum outside diameter of the maximum outside diameter and second conical section of section is all higher than the internal diameter of the roller.
In one preferred embodiment of this utility model, roll wheel assembly further includes the free end of first conical section
The first cylindrical segment is connected with, the free end of second conical section is connected with the second cylindrical segment.
In one preferred embodiment of this utility model, roll wheel assembly further includes the free end of first cylindrical segment
On be provided with the first chamfering, be provided with the second chamfering on the free end of second cylindrical segment.
In one preferred embodiment of this utility model, roll wheel assembly further includes that the axis body is conical with described first
First Transition section is connected between section, between the axis body and second conical section, the second changeover portion is connected with.
In one preferred embodiment of this utility model, roll wheel assembly further includes that the First Transition section is circular arc mistake
Section or conical transition section are crossed, second changeover portion is circular arc changeover portion or conical transition section.
In one preferred embodiment of this utility model, roll wheel assembly further include the conical surface of first conical section with
Angle between axial direction, the angle between the conical surface of second conical section and axial direction are 2 ° -12 °.
In one preferred embodiment of this utility model, roll wheel assembly further includes that the roller adopts elastomeric material system
Into.
In one preferred embodiment of this utility model, roll wheel assembly further includes that the roller includes that wheel body, difference are convex
It is located at two projections of the wheel body two axial ends.
In one preferred embodiment of this utility model, roll wheel assembly further include the wheel body and projection one into
Type.
In one preferred embodiment of this utility model, roll wheel assembly further includes first conical section with described
Two conical sections are symmetrical arranged, and first cylindrical segment is symmetrical arranged with second cylindrical segment.
This utility model solves defect present in background technology, this utility model simple structure, easy to assembly, cost
Cheap, roller is freely rotated on axis body, while avoid roller axial movement and swing, and noise is low during rolling,
Comfort is strong, long service life, with good application prospect.
Description of the drawings
With reference to the accompanying drawings and examples this utility model is further illustrated.
Fig. 1 is the axonometric chart of preferred embodiment of the present utility model；
Fig. 2 is the front view of preferred embodiment of the present utility model；
Fig. 3 is the A-A of Fig. 2 to sectional view；
Fig. 4 is the left view of preferred embodiment of the present utility model；
In figure：2nd, fulcrum, 4, roller, 6, axis body, the 8, first conical section, the 10, second conical section, the 12, first cylinder
Shape section, the 14, second cylindrical segment, the 16, first chamfering, the 18, second chamfering, 20, First Transition section, the 22, second changeover portion, 24,
Wheel body, 26, projection.
Specific embodiment
This utility model is described in further detail presently in connection with drawings and Examples, these accompanying drawings are simplified
Schematic diagram, only illustrates basic structure of the present utility model in a schematic way, therefore which only shows the structure relevant with this utility model
Into.
As Figure 1-Figure 4, a kind of roll wheel assembly, including fulcrum 2, roller 4, fulcrum 2 include axis body 6, and axis body 6 two
Shaft end connection the first conical section 8 and the second conical section 10, the first conical section 8 and the second conical section 10 external diameter by
Tapered little, roller 4 is set on axis body 6, and roller 4 is coordinated with 6 gap of axis body, it is ensured that roller 4 is freely rotated on axis body 6,
The parts such as bearing are saved, cost-effective, the maximum outside diameter of the maximum outside diameter of the first conical section 8 and the second conical section 10 is big
In the internal diameter of roller 4, the first conical section 8 and the second conical section 10 form step, two axles of roller 4 between axis body 6
End is stopped by the first conical section 8 and the second conical section 10, it is to avoid roller 4 skids off axis body 6, while avoiding the axle of roller 4
To mobile and swing.
The free end of this utility model preferably the first conical section 8 is connected with the first cylindrical segment 12, the second conical section
10 free end is connected with the second cylindrical segment 14, carries out guiding and makes rolling by the first cylindrical segment 12 and the second cylindrical segment 14
Wheel 4 departs from the first conical section 8 or the second conical section 10, is finally enclosed within axis body 6, while roll wheel assembly can be easy to install
It is on body, quick for installation.
For the ease of being inserted in for roller 4, the efficiency of assembling of roller 4, this utility model preferably the first cylindrical segment 12 are improved
Free end on be provided with the first chamfering 16, the second chamfering 18 is provided with the free end of the second cylindrical segment 14.
Set between the preferred axis body 6 of this utility model and the first conical section 8 and be connected with First Transition section 20, axis body 6 and
It is connected with the second changeover portion 22 between two conical sections 10, the external diameter of First Transition section 20 is by being connected with the first conical section 8
One end is gradually reduced to the other end being connected with axis body 6, and the external diameter of the second changeover portion 22 is by being connected with the second conical section 10
One end is gradually reduced to the other end being connected with axis body 6, and further preferred First Transition section 20 and the second changeover portion 22 are circle
Arc-shaped transition section, is easy to roller 4 to depart from the first conical section 8 or the second conical section 10 and be enclosed within axis body 2, further improves
The efficiency of assembling of roller 4, while avoiding between the first conical section 8 and axis body 6, between the second conical section 10 and axis body 6
Stress concentration, but First Transition section 20 and the second changeover portion 22 are not limited to circular arc changeover portion, or cone
Changeover portion.
Included angle B of this utility model preferably between the conical surface of the first conical section 8 and axial direction, the cone of the second conical section 10
Angle C between face and axial direction is 2 ° -12 °.
The preferred roller of this utility model 4 is made using elastomeric material, and further preferred roller 4 is made using plastic material,
With low cost, elasticity is good, but is not limited to plastic cement, or rubber or silica gel.The preferred roller of this utility model 4 includes wheel
Body 24, respectively two projections 26 of the projection in 24 two axial ends of wheel body.Further preferably wheel body 24 is integrally formed with projection 26, roller
4 intensity is good.
In order to improve efficiency of assembling, while it is easy to roll wheel assembly to be installed on body, this utility model preferably the first circular cone
Shape section 8 is symmetrical arranged with the second conical section 10, and the first cylindrical segment 12 is symmetrical arranged with the second cylindrical segment 14.
Above according to desirable embodiment of the present utility model to enlighten, by above-mentioned description, related personnel is complete
Various change and modification can be carried out in the range of without departing from this utility model technological thought.This utility model
Technical scope be not limited to the content in description, it is necessary to technical scope is determined according to right.
Claims (10)
1. a kind of roll wheel assembly, it is characterised in that：Including fulcrum, roller, the fulcrum includes two axles of axis body and the axis body
The external diameter of first conical section and the second conical section, first conical section and the second conical section of end connection gradually contracts
Little, the roller is set on the axis body, and the maximum outside diameter of first conical section and second conical section are most
Big external diameter is all higher than the internal diameter of the roller.
2. roll wheel assembly according to claim 1, it is characterised in that：The free end of first conical section is connected with
One cylindrical segment, the free end of second conical section are connected with the second cylindrical segment.
3. roll wheel assembly according to claim 2, it is characterised in that：It is provided with the free end of first cylindrical segment
First chamfering, is provided with the second chamfering on the free end of second cylindrical segment.
4. the roll wheel assembly according to any one of claim 1-3, it is characterised in that：The axis body and first circular cone
First Transition section is connected between shape section, between the axis body and second conical section, the second changeover portion is connected with.
5. roll wheel assembly according to claim 4, it is characterised in that：The First Transition section is circular arc changeover portion or circle
Tapering transition section, second changeover portion are circular arc changeover portion or conical transition section.
6. roll wheel assembly according to claim 1, it is characterised in that：Between the conical surface of first conical section and axial direction
Angle, the angle between the conical surface of second conical section and axial direction be 2 ° -12 °.
7. roll wheel assembly according to claim 1, it is characterised in that：The roller is made using elastomeric material.
8. the roll wheel assembly according to claim 1 or 7, it is characterised in that：The roller includes wheel body, difference projection in institute
State two projections of wheel body two axial ends.
9. roll wheel assembly according to claim 8, it is characterised in that：The wheel body is integrally formed with the projection.
10. roll wheel assembly according to claim 2, it is characterised in that：First conical section and second circular cone
Shape section is symmetrical arranged, and first cylindrical segment is symmetrical arranged with second cylindrical segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621056739.5U CN206072102U (en) | 2016-09-18 | 2016-09-18 | Roll wheel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621056739.5U CN206072102U (en) | 2016-09-18 | 2016-09-18 | Roll wheel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206072102U true CN206072102U (en) | 2017-04-05 |
Family
ID=58438006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621056739.5U Expired - Fee Related CN206072102U (en) | 2016-09-18 | 2016-09-18 | Roll wheel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206072102U (en) |
-
2016
- 2016-09-18 CN CN201621056739.5U patent/CN206072102U/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 |
Granted publication date: 20170405 Termination date: 20210918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |