CN207549851U - A kind of hub unit and wheel - Google Patents
A kind of hub unit and wheel Download PDFInfo
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- CN207549851U CN207549851U CN201721507448.8U CN201721507448U CN207549851U CN 207549851 U CN207549851 U CN 207549851U CN 201721507448 U CN201721507448 U CN 201721507448U CN 207549851 U CN207549851 U CN 207549851U
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- wheel rim
- hub
- wheel
- terrace
- hub unit
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Abstract
The purpose of this utility model is to provide a kind of hub unit and wheel.Hub unit, including wheel rim and hub body；Hub body is linked into an integrated entity by thermoplastic integrated injection molding in forming process with wheel rim；Wheel rim includes the wall surface attached with hub body, and wall surface includes First terrace, second step face and third step surface；First terrace sinks to setting relative to third step surface, and second step face connects First terrace and third step surface respectively, to form step structure on wall surface；Hub body attaches First terrace, second step face and third step surface respectively at the time of molding, so as to the wall surface snap-fit with wheel rim.Due to the presence of step structure so that wall surface can hook hub body in hub body cooling meat, and then hub body can be prevented to be deformed, so as to increase the structural strength of hub unit.Wheel provided by the utility model includes above-mentioned hub unit, so as to have the advantages that structural strength is high.
Description
Technical field
The utility model is related to a kind of hub unit and wheels.
Background technology
The wheeled vehicles of bicycle, tricycle etc. are widely used in the every aspect of the modern life, are people
Life provide facility.The wheel of wheeled vehicles and its ride quality are closely bound up.By taking bicycle as an example, in the prior art
Wheel be generally hollow rubber carcass and be set on metal wheel hub, metal wheel hub includes metal flower hub, metal rim and metal
Spoke leads to the heavier-weight of wheel.
If wheel is excessively heavy, the comfort of ride can be reduced.To reduce wheel weight, there is one in the prior art
Kind wheel, is made of the spoke of preformed metal wheel rim and injection molding.Although such design can reduce the weight of wheel
Amount, but the fastness connected between metal rim and the spoke of injection molding can not ensure, lead to the structural strength of wheel not
It is high.
This field needs a kind of high hub unit and wheel of structural strength.
Utility model content
The purpose of this utility model is to provide a kind of hub units, have the advantages that light-weight and structural strength is high.
The purpose of this utility model, which also resides in, provides a kind of wheel, which includes above-mentioned hub unit, so as to weight
The advantages of amount is gently and structural strength is high.
To realize the hub unit of the purpose, the wheel rim including metal material, which is characterized in that the hub unit is also
Including hub body；The hub body is molded by Shooting Technique and is linked into an integrated entity with the wheel rim；
The wheel rim includes the wall surface attached with the hub body, and the wall surface includes First terrace, second step
Face and third step surface；The First terrace sinks to setting relative to the third step surface, the second step face difference
The First terrace and the third step surface are connected, to form step structure on the wall surface；
The hub body attaches the First terrace, the second step face and the third platform respectively at the time of molding
Terrace, so as to the wall surface snap-fit with the wheel rim.
The hub unit, further feature are the First terrace, the second step face and described
Three step surfaces are along the continuous annular surface of the circumferentially extending of the wheel rim, so as to form the cricoid step structure.
The hub unit, further feature are that the First terrace is extended radially to along the wheel rim
Connect with the outer rim end face of the wheel rim continuous, so that the step structure is formed at the outer rim of the wheel rim.
The hub unit, further feature are, between the First terrace and the second step face
Angle is acute angle or right angle.
The hub unit, further feature are the annular First terrace and the third of annular
Step surface concentrically axis.
The hub unit, further feature are that the hub body includes outer ring portion, inner ring portion, connecting portion
With spoke portion；
The outer ring portion is arranged on the diametrical outside of the wheel rim, and the inner ring portion is arranged on the wheel rim radially
On inside, and with the wall surface attach；Through-hole is offered on the wheel rim, it is diametrical that the through-hole connects the wheel rim
Inner side and outer side；The connecting portion is through the through-hole and connects the outer ring portion and the inner ring portion respectively, so that described
Outer ring portion and the inner ring portion clamp the wheel rim；
The spoke portion is located at the diametrical inside of the wheel rim, and is connect with the inner ring portion, described so as to support
Inner ring portion.
The hub unit, further feature are that the outer ring portion is continuous cyclic structure.
The hub unit, further feature are that the inner ring portion is continuous cyclic structure.
The hub unit, further feature are that the hub unit further includes colored hub, and the colored hub is described
It links into an integrated entity during hub body is molding with the spoke portion, and the center of the wheel rim is fixed on by the spoke portion
Position.
To realize the wheel of the purpose, including tire and wheel shaft, the wheel further includes hub unit as described above.
The positive effect of the utility model is：The utility model provides a kind of hub unit, including wheel rim and
Hub body；Hub body is linked into an integrated entity by thermoplastic integrated injection molding in forming process with wheel rim；Wheel rim
Including the wall surface attached with hub body, wall surface includes First terrace, second step face and third step surface；First terrace
Sink to setting relative to third step surface, second step face connects First terrace and third step surface respectively, on wall surface
Form step structure；Hub body attaches First terrace, second step face and third step surface respectively at the time of molding, thus with
The wall surface snap-fit of wheel rim.
Due to the presence of step structure so that wall surface can hook hub body in hub body cooling meat, and then
Hub body can be prevented to be deformed, so as to increase the structural strength of hub unit.In addition, hub body is moulded by thermoplasticity
Expect integrated injection molding, be significantly reduced the weight of hub unit.Wheel provided by the utility model includes above-mentioned wheel hub group
Part, so as to have the advantages that light-weight and structural strength is high.
Description of the drawings
The above and other feature, property and advantage of the utility model will be by with reference to the accompanying drawings and examples
Description and become readily apparent from, wherein：
Fig. 1 is the schematic diagram of hub unit in the utility model；
Fig. 2 is the schematic diagram of wheel rim in the utility model；
Fig. 3 is the sectional view of wheel rim in the utility model, it is shown that cricoid step structure；
Fig. 4 is the sectional view of hub unit radially in the utility model；
Fig. 5 is the enlarged drawing at B in Fig. 4；
Fig. 6 is hub unit sectional view in the utility model, it is shown that through-hole；
Fig. 7 is the sectional view of wheel rim in the utility model, it is shown that cricoid step structure；
Fig. 8 is the schematic diagram of wheel rim in the utility model, it is shown that through-hole is multiple round holes；
Fig. 9 is the vertical view of wheel rim in Fig. 8；
Figure 10 is the schematic diagram of wheel rim in the utility model, it is shown that through-hole is elongate aperture；
Figure 11 is the vertical view of wheel rim in Figure 10；
Figure 12 is the schematic diagram of wheel rim in the utility model, it is shown that through-hole is single rectangular opening；
Figure 13 is the vertical view of wheel rim in Figure 12；
Figure 14 is the schematic diagram of wheel rim in the utility model, it is shown that through-hole is multiple tri-angle-holed；
Figure 15 is the vertical view of wheel rim in Figure 14.
Specific embodiment
With reference to specific embodiments and the drawings, the utility model is described in further detail, elaborates in the following description
More details are in order to fully understand the utility model, but the utility model obviously can be different from what this was described with a variety of
Other manner is implemented, and those skilled in the art can be in the case of without prejudice to the utility model connotation according to practical application feelings
Condition makees similar popularization, deduces, therefore should not limit the scope of protection of the utility model with the content of this specific embodiment.
It should be noted that Fig. 1 to Figure 15 only as an example, its not be according to equal proportion condition draw, and
And it should not be construed as limiting in this, as the protection domain to the utility model actual requirement.
The wheel of the wheeled vehicles of bicycle, tricycle etc. may include hub unit 9 as shown in Figure 1, should
Wheel may also include tire and wheel shaft.Hub unit 9 includes wheel rim 93 and hub body 91；Hub body 91 is by thermoplastic
Integrated injection molding, and be connected in forming process with wheel rim 93.
As shown in Figure 2,3, wheel rim 93 is the structure of annular groove shape；Tire can be hollow rubber tyre or
Solid rubber tyre, tire are installed on the outside of wheel rim 93 radially.As shown in Figure 5,6, it is provided with platform on the inner wall of wheel rim 93
Scalariform protrusion 9303, to increase frictional force of the tire in wheel rim 93.The installation process of wheel, can be vehicle by taking bicycle as an example
The wheel shaft of wheel is mounted on the bearing of the fork of bicycle, you can completes the installation of wheel.Wheel advance excessively in, wheel hub sheet
Body 91 keeps rotating and play the role of to support tire.
In order to increase the tightness degree that wheel rim 93 is combined with hub body 91, as shown in Figure 7 and with reference to Fig. 4,5,6, wheel rim
93 include the wall surfaces 931 that are attached with hub body 91, and wall surface 931 includes First terrace 931a, second step face 931b and the
Three step surface 931c；First terrace 931a sinks to setting relative to third step surface 931c, and second step face 931b connects respectively
First terrace 931a and third step surface 931c are met, to form step structure 9310 on wall surface 931；Hub body 91 into
First terrace 931a, second step face 931b and third step surface 931c are attached during type respectively, so as to the wall surface with wheel rim 93
931 snap-fits.During injection molding, hub body 91 is filled by First terrace 931a and second step face 931b
The space of restriction.
Due to the presence of step structure 9310 so that wall surface 931 can hook wheel hub in 91 cooling meat of hub body
Ontology 91, and then hub body 91 can be prevented to be deformed, so as to increase the structural strength of hub unit 9.
Step structure 9310 can be sinkage type structure as shown in Figure 7, can also be that convex structure is (attached not shown
Go out), the top planes of the convex structure are third step surface, and bottom plane is First terrace, and second step face is located at the
Between one step surface and third step surface, and transition connection First terrace and third step surface respectively.
With continued reference to Fig. 2,3, First terrace 931a, second step face 931b and third step surface 931c are along wheel rim
The continuous annular surface of 93 circumferentially extending, so as to form cricoid step structure 9310.In this embodiment, annular first
Step surface 931a and the third step surface 931c concentrically axis of annular.
With continued reference to Fig. 7, outer rim end face 932 phases that extends radially to wheel rim 93 of the First terrace 931a along wheel rim 93
It continues, so that step structure 9310 is formed at the outer rim of wheel rim 93.Such design is so that step structure 9310 will not be to wheel
93 intensity of itself of circle influence too much, and can also obtain preferably associativity.In addition, such design can also be fine
Wrap wheel rim 93, so as to which wheel rim 93 be made not leak outside, exempt spray painting complementary color technique.
With continued reference to Fig. 7, the angle between First terrace 931a and second step face 931b is acute angle or right angle, to increase
The tightness that wheel rim 93 is added to be connect with hub body 91.
The shape of hub body 91 can there are many.In one embodiment, as shown in fig. 6, hub body 91 is including outer
Circle portion 911, inner ring portion 912, connecting portion 910 and spoke portion 913；Outer ring portion 911 is arranged on 93 diametrical outside of wheel rim, interior
Circle portion 912 is arranged on 93 diametrical inside of wheel rim, and is attached with wall surface 931；Through-hole 93a, through-hole are offered on wheel rim 93
93 diametrical inner side and outer side of 93a connection wheel rims；Connecting portion 910 runs through through-hole 93a and connects 911 He of outer ring portion respectively
Inner ring portion 912, so that outer ring portion 911 and inner ring portion 912 clamp wheel rim 93；It is diametrical interior that spoke portion 913 is located at wheel rim 93
Side, and connect with inner ring portion 912, so as to support inner ring portion 912.
Since the outer ring portion 911 of hub body 91 and inner ring portion 912 clamp wheel rim, and the connecting portion 910 of hub body 91
In the through-hole 93a of wheel rim 93 so that the combination of hub body 91 and wheel rim 93 is very close, so as to make 9 He of hub unit
Wheel equipped with hub unit 9 can obtain higher structural strength.Further, since hub body 91 is plastic material, also subtract
The light weight of wheel.
In one embodiment, spoke portion 913 can form the connecting hole of wheel hub in forming process, to install wheel
Axis.In another embodiment, hub unit 9 further includes colored hub 92, flower hub 92 during hub body 91 is molding with
Spoke portion 913 connects, and the center of wheel rim 93 is fixed on by spoke portion 913.Flower hub 92 can be configured to be set in wheel shaft
On.In particular it is required that wheel rim 93, flower hub 92 are first placed into the setting position of the injection mold of hub body 91, then to injection
The thermoplastic of molten condition is injected in mold.
The thermoplastic of molten condition first forms spoke portion 913, spoke portion 913 in the diametrical inside of wheel rim 93
It is connect during formation with flower hub 92；Then the thermoplastic of molten condition attaches First terrace 931a, respectively
Two step surface 931b and third step surface 931c simultaneously fill the space limited by First terrace 931a and second step face 931b,
And then it forms inner ring portion 912 and realizes the attaching in inner ring portion 912 and wall surface 931；It enters back into through-hole 93a and forms connecting portion 910, most
The outside of wheel rim 93 is reached from through-hole 93a afterwards, and outer ring portion 911 is formed in the outside of wheel rim 93.
After the thermoplastic cooling of molten condition, hub body 91 is just integrally formed, and at the same time foring wheel hub
Component 9.In this embodiment, wheel rim 93 is quoit, and the material of quoit can be aluminium, aluminium alloy, titanium alloy or titanium aluminium
Alloy.Flower hub 92 can also be made of metal material.
Since the outer ring portion 911 of hub body 91 and inner ring portion 912 clamp wheel rim, and the connecting portion 910 of hub body 91
In the through-hole 93a of wheel rim 93 so that the combination of hub body 91 and wheel rim 93 is very close, so as to make 9 He of hub unit
Wheel equipped with hub unit 9 can obtain higher structural strength.Further, since hub body 91 is plastic material, also subtract
The light weight of wheel.
With continued reference to Fig. 4, spoke portion 913 includes the reinforcing rib 913a set along its length, the thickness of reinforcing rib 913a
Can be 5.5mm.
In one embodiment, outer ring portion 911 is continuous cyclic structure, and such design is in addition to that can increase structure
Except stability, additionally it is possible to the outer ring portion 911 for being located at 93 inside of wheel rim be made to carry out the continuous support in circumferential direction, Neng Gouti to tire
Stability when high wheel is advanced.
In one embodiment, inner ring portion 912 is stated as continuous cyclic structure, and is extended outwardly from the inside of wheel rim 93
And wheel rim 93 is coated, the purpose for the arrangement is that in order to improve the stability supported to wheel rim 93.
In figure 3, the bottom wall of wheel rim 93 has the cyclic annular sunk type cambered surface 9301 along the circumferentially extending of wheel rim 93, through-hole
93a is opened in cyclic annular sunk type cambered surface 9301, so that outer ring portion 911 can be formed in cyclic annular sunk type cambered surface 9301
It is interior, and then improve stability of the outer ring portion 911 on wheel rim 93.
In another embodiment, as shown in fig. 7, cyclic annular sunk type cambered surface 9301 is by the more faceted pebbles 9302 of cyclic annular sunk type
Instead of through-hole 93a is opened on the more faceted pebbles 9302 of cyclic annular sunk type.Designing in this way is advantageous in that, prevents in dress tire hour wheel
Hub assembly 9 generates interference, and the intensity that hub unit 9 can be kept enough with tire.
As shown in Fig. 3,8,9,10,11,12,13,14,15, the shape and quantity of through-hole 93a can be a variety of.Through-hole 93a
Quantity can be one or more, multiple through-hole 93a are uniformly distributed along the circumferential direction of wheel rim 93.The shape of through-hole 93a includes
One or more of ellipse, round, polygon.When the quantity of through-hole 93a is multiple, correspondingly, connecting portion 910
Quantity is also multiple.
As shown in Figure 8,9, through-hole 93a is multiple round holes, and multiple round holes are uniformly distributed along the axial direction of wheel rim 93.
As shown in Figure 10,11, through-hole 93a be elongate aperture, circumferentially extending of the elongate aperture along wheel rim 93.In an implementation
In example, the quantity of elongate aperture is independent one, and on the circumference of wheel rim 93, the both ends of an independent elongate aperture are prolonged respectively
It extends in same wheel rim supporting block 9304.In another embodiment, the quantity of elongate aperture is multiple, correspondingly, wheel rim
The quantity of supporting block 9304 is also multiple.
As shown in Figure 12,13, the quantity of through-hole 93a is one, and shape is rectangle.As shown in Figure 14,15, through-hole 93a's
Quantity is multiple, and shape is triangle.
Although the utility model is disclosed as above with preferred embodiment, its be not for limiting the utility model, it is any
Those skilled in the art without departing from the spirit and scope of the utility model, can make possible variation and modification, all
It is the content without departing from technical solutions of the utility model, appoints according to the technical essence of the utility model to what above example was made
What modification, equivalent variations and modification, each falls within the protection domain that the utility model claims are defined.
Claims (10)
1. a kind of hub unit, the wheel rim (93) including metal material, which is characterized in that the hub unit (9) further includes wheel
Hub ontology (91)；The hub body (91) is molded by Shooting Technique and is linked into an integrated entity with the wheel rim (93)；
The wheel rim (93) includes the wall surface (931) attached with the hub body (91), and the wall surface (931) is including First
Terrace (931a), second step face (931b) and third step surface (931c)；The First terrace (931a) is relative to described
Third step surface (931c) sinks to setting, and the second step face (931b) connects the First terrace (931a) and institute respectively
Third step surface (931c) is stated, to form step structure (9310) on the wall surface (931)；
The hub body (91) attaches the First terrace (931a), the second step face (931b) respectively at the time of molding
With the third step surface (931c), so as to the wall surface (931) snap-fit with the wheel rim (93).
2. hub unit as described in claim 1, which is characterized in that the First terrace (931a), the second step
Face (931b) and the third step surface (931c) be along the continuous annular surface of the circumferentially extending of the wheel rim (93), so as to
Form the cricoid step structure (9310).
3. hub unit as described in claim 1, which is characterized in that the First terrace (931a) is along the wheel rim (93)
Extend radially to mutually continue with the outer rim end face of the wheel rim (93) (932) so that the step structure (9310) is formed in
At the outer rim of the wheel rim (93).
4. hub unit as described in claim 1, which is characterized in that the First terrace (931a) and the second step
Angle between face (931b) is acute angle or right angle.
5. hub unit as claimed in claim 2, which is characterized in that the annular First terrace (931a) and annular
The third step surface (931c) concentrically axis.
6. hub unit as described in claim 1, which is characterized in that the hub body (91) includes outer ring portion (911), interior
Circle portion (912), connecting portion (910) and spoke portion (913)；
The outer ring portion (911) is arranged on the wheel rim (93) diametrical outside, and the inner ring portion (912) is arranged on described
Wheel rim (93) diametrical inside, and attached with the wall surface (931)；Through-hole (93a), institute are offered on the wheel rim (93)
It states through-hole (93a) and connects the diametrical inner side and outer side of the wheel rim (93)；The connecting portion (910) is through the through-hole
(93a) and the outer ring portion (911) and the inner ring portion (912) are connected respectively, so that the outer ring portion (911) and described interior
Circle portion (912) clamps the wheel rim (93)；
The spoke portion (913) connect positioned at the wheel rim (93) diametrical inside, and with the inner ring portion (912), from
And support the inner ring portion (912).
7. hub unit as claimed in claim 6, which is characterized in that the outer ring portion (911) is continuous cyclic structure.
8. hub unit as claimed in claim 6, which is characterized in that the inner ring portion (912) is continuous cyclic structure.
9. hub unit as claimed in claim 6, which is characterized in that the hub unit (9) further includes colored hub (92), described
Flower hub (92) links into an integrated entity, and with the spoke portion (913) by the spoke during the hub body (91) is molding
Item portion (913) is fixed on the center of the wheel rim (93).
10. a kind of wheel, including tire and wheel shaft, which is characterized in that the wheel is further included as arbitrary in claim 1 to 9
Hub unit (9) described in one claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721507448.8U CN207549851U (en) | 2017-11-13 | 2017-11-13 | A kind of hub unit and wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721507448.8U CN207549851U (en) | 2017-11-13 | 2017-11-13 | A kind of hub unit and wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207549851U true CN207549851U (en) | 2018-06-29 |
Family
ID=62681399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721507448.8U Active CN207549851U (en) | 2017-11-13 | 2017-11-13 | A kind of hub unit and wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207549851U (en) |
-
2017
- 2017-11-13 CN CN201721507448.8U patent/CN207549851U/en active Active
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