CN205970637U - Bassinet tire and make mould thereof - Google Patents
Bassinet tire and make mould thereof Download PDFInfo
- Publication number
- CN205970637U CN205970637U CN201620925780.5U CN201620925780U CN205970637U CN 205970637 U CN205970637 U CN 205970637U CN 201620925780 U CN201620925780 U CN 201620925780U CN 205970637 U CN205970637 U CN 205970637U
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- tire
- tyre
- inner tube
- perambulator
- annular
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Abstract
The utility model discloses a bassinet tire, include the inner tube of a tyre of being made by EVA expanded material, the outside cladding of this inner tube of a tyre has a cover tire, and this cover tire is polyurethane PU material, be equipped with the convex location boss that is used for inner tube of a tyre location on the inner tube of a tyre when the tyre building, this location boss is established in the inboard of the inner tube of a tyre and correspond the parallel and level with the inboard tire bead surface of cover tire, this location boss has more than 3 and follows the inboard circumference evenly distributed of the inner tube of a tyre, in the process of production, this location boss makes the inner tube of a tyre keep on the tram in the mould of tyre building, and make the cover tire can be with the inner tube of a tyre except the part complete free accommodation of location the boss in the forming process, can effectively prevent the separation of the inner tube of a tyre and cover tire. The utility model also discloses a mould of making this bassinet tire, comprises an upper die and a lower die.
Description
【Technical field】
This utility model is related to a kind of perambulator tire, and this utility model further relates to a kind of mould manufacturing this perambulator tire.
【Background technology】
In the market, the commonly used material of current perambulator, utility cart, toy car wheel tire has：EVA foaming,
PU, rubber etc..Wherein, due to low cost, structure is simple, lightweight for EVA foaming tire, big the features such as need not inflate
Amount uses, but EVA foams, the wear-resisting and non-skid property of tire is relatively poor, and improves its case hardness and can make its elasticity again
Deficiency, jolts substantially during perambulator walking；Further, since EVA foaming tire is foaming, the edge of tread can become mould
Paste, it appears not clearly attractive in appearance.
Relative eva expanded material, PU (polyurethane) is a kind of more excellent material of performance.The perambulator car that PU material is made
Mold has the advantages that excellent wear-resisting property, elasticity is good, tread is clearly beautiful, adaptable at earth-grasping force and various temperature,
It is mainly used in some mid- to high-end products.But PU material is expensive with respect to EVA expanded material, production cost is high, leads to PU
The promoting the use of of perambulator tire of material is obstructed.
In addition to EVA expanded material, PU material, rubber is also be frequently used to the material being widely used in perambulator tire,
But because quality of rubber materials ratio is great, high cost, be usually fabricated to rubbery cover tyre, then insert the inner tube of a tyre wherein, rubbery cover tyre and
The inner tube of a tyre needs separate molding, is then assembled using special tool, and production process is relatively tediously long and complicated, and manufacturing cost is high.
In the face of the perambulator market of competition, a kind of high-performance, the perambulator tire of low cost have become pass in competition
One ring of key.
This utility model is namely based on what this situation was made.
【Utility model content】
This utility model purpose is to overcome the deficiencies in the prior art, provides that a kind of performance is good, low cost perambulator tire.
Another technical problem to be solved in the utility model is to provide a kind of mould manufacturing this perambulator tire.
This utility model is achieved through the following technical solutions：
A kind of perambulator tire, including the inner tube of a tyre being made up of EVA expanded material, the outside of the described inner tube of a tyre is coated with cover tire, institute
Stating cover tire is polyurethane PU material.
The described inner tube of a tyre is provided with the positioning boss being used for being located of protrusion in molding.
Described positioning boss is located at the inner side of the inner tube of a tyre.
Described positioning boss is corresponding with the inboard tire bead surface of cover tire concordant.
Described positioning boss has more than 3.
Described positioning boss is uniformly distributed along the inner circumferential of the inner tube of a tyre.
The thickness of described cover tire is between 6mm to 8mm.
The tyre surface of described cover tire is provided with the dimpled grain of indent.
A kind of mould manufacturing described perambulator tire, including upper die and lower die, described upper mould is provided with molding cover tire top
Annular upper groove, described lower mould is provided with the annular low groove of molding cover tire bottom, and described annular upper groove is recessed with annular
The inwall of groove surrounds the tire forming cavity of perambulator tire together, is provided with and is connected with tire forming cavity between described upper die and lower die
Plastic cement runner, be respectively provided with described annular upper groove and annular low groove the clamping inner tube of a tyre first annular boss and
Second annular boss, the cover tire that described annular upper groove surrounds cover tire together with the inwall of annular low groove, the outer wall of the inner tube of a tyre becomes
Die cavity.
It is respectively provided with the burr of the protrusion of molding dimpled grain in described annular upper groove and annular low groove.
Compared with prior art, this utility model has the following advantages：
1st, in this utility model the inner tube of a tyre be EVA expanded material, cover tire be polyurethane PU material so that perambulator tire have excellent
Good anti-wear performance and elasticity, and low cost of manufacture.
2nd, in this utility model, the inner tube of a tyre is provided with the positioning boss being used for being located of protrusion, described positioning in molding
Boss enables to the inner tube of a tyre and is maintained on tram in the mould of tyre building, and enables cover tire in positioning boss
In addition the inner tube of a tyre is entirely encased, can effectively prevent the inner tube of a tyre from separating with cover tire.
3rd, in this utility model positioning boss be located at the inner tube of a tyre inner side so that with ground touch perambulator tire tyre surface
It is the lateral surface of cover tire all over, anti-wear performance, non-skid property and elasticity can be improved.
4th, in this utility model, positioning boss is uniformly distributed so that the inner tube of a tyre is in cover tire forming process along the inner circumferential of the inner tube of a tyre
Middle position is more fixed so that the thickness of cover tire is more uniform.
5th, the mould structure manufacturing described perambulator tire in this utility model is simple, and handling ease is it is easy to production operation.
【Brief description】
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described in further detail, wherein：
Fig. 1 is a kind of structural representation of perambulator tire of the present utility model；
Fig. 2 is a kind of front view of perambulator tire of the present utility model；
Fig. 3 is the Section View in Fig. 2 along I-I direction；
Fig. 4 is the Section View in Fig. 2 along II-II direction；
Fig. 5 is a kind of top view of perambulator tire of the present utility model；
Fig. 6 is the Section View in Fig. 5 along III-III direction；
Fig. 7 is the structural representation of the inner tube of a tyre in a kind of perambulator tire of the present utility model；
Fig. 8 is the structural representation of lower mould in a kind of mould manufacturing perambulator tire of the present utility model；
Fig. 9 is a kind of front view of mould manufacturing perambulator tire of the present utility model；
Figure 10 is the Section View in Fig. 9 along IIII-IIII direction；
Figure 11 is the Section View putting into inner tube of a tyre tailing edge IIII-IIII direction in Fig. 9.
【Specific embodiment】
Below in conjunction with the accompanying drawings this utility model is further described：
A kind of perambulator tire as shown in Figures 1 to 7, including the inner tube of a tyre 1 being made up of EVA expanded material, the described inner tube of a tyre 1
Outside is coated with cover tire 2, and described cover tire 2 is polyurethane PU material, because polyurethane PU properties of materials makes perambulator tire have
There are excellent anti-wear performance and elasticity, and non-skid property is good, tread is clearly beautiful；Because EVA expanded material is relatively cheap, therefore
Cost is relatively low.
The described inner tube of a tyre 1 is provided with the positioning boss 11 being used for being located of protrusion, described positioning boss 11 in molding
Enable to the inner tube of a tyre 1 to be maintained on tram in the mould of cover tire 2 molding, and enable cover tire 2 in positioning boss
Beyond 11, the inner tube of a tyre 1 is entirely encased, can effectively prevent the inner tube of a tyre 1 and cover tire 2 from separating.
Described positioning boss 11 be located at the inner tube of a tyre 1 inner side so that with ground touch perambulator tire tyre surface all over
It is the lateral surface of cover tire 2, anti-wear performance, non-skid property and elasticity can be improved.
Described positioning boss 11 is corresponding with the inboard tire bead surface of cover tire 2 concordant, and outward appearance is beautiful so that perambulator tire is easy to
With the connection of perambulator other structures cooperation, and make perambulator tire manufacture mould simpler.
Described positioning boss 11 has more than 3.
Described positioning boss 11 is uniformly distributed so that the inner tube of a tyre 1 is in cover tire 2 forming process middle position along the inner circumferential of the inner tube of a tyre 1
Put and more fix so that the thickness of cover tire 2 is more uniform.
The thickness of described cover tire 2, between 6mm to 8mm, when the thickness of cover tire 2 is less than 6mm, due to relatively thin, compares
Easily worn out, when the thickness of cover tire 2 is more than 8mm, due to too thick, the consumption of material can be relatively many, high cost.
The tyre surface of described cover tire 2 is provided with the dimpled grain 21 of indent, increases its earth-grasping force.
A kind of mould of manufacture described perambulator tire as shown in Figs. 8 to 11, including upper mould 3 and lower mould 4, described upper mould
The 3 annular upper grooves 31 being provided with molding cover tire 2 top, described lower mould 4 is provided with the annular low groove of molding cover tire 2 bottom
41, described annular upper groove 31 surrounds the tire forming cavity 5 of perambulator tire, described upper mould together with the inwall of annular low groove 41
It is provided with the plastic cement runner 6 being connected with tire forming cavity 5, described annular upper groove 31 and annular low groove 41 between 3 and lower mould 4
Inside be respectively provided with the clamping first annular boss 311 of the inner tube of a tyre 1 and the second annular boss 411, described annular upper groove 31 with
The inwall of annular low groove 41, the outer wall of the inner tube of a tyre 1 surround the tyre building chamber 51 of cover tire 2 together.
It is respectively provided with the burr of the protrusion of molding dimpled grain 21 in described annular upper groove 31 and annular low groove 41
21a.
Claims (9)
1. a kind of perambulator tire it is characterised in that：Including the inner tube of a tyre (1) being made up of EVA expanded material, outside the described inner tube of a tyre (1)
Side is coated with cover tire (2), and described cover tire (2) is polyurethane PU material, and the described inner tube of a tyre (1) is provided with being used in molding of protrusion
The positioning boss (11) being located.
2. a kind of perambulator tire according to claim 1 it is characterised in that：Described positioning boss (11) is located at the inner tube of a tyre (1)
Inner side.
3. a kind of perambulator tire according to claim 2 it is characterised in that：Described positioning boss (11) and cover tire (2)
Inboard tire bead surface is corresponding concordant.
4. a kind of perambulator tire according to claim 3 it is characterised in that：Described positioning boss (11) has more than 3.
5. a kind of perambulator tire according to claim 4 it is characterised in that：Described positioning boss (11) is along the inner tube of a tyre (1)
Inner circumferential is uniformly distributed.
6. a kind of perambulator tire according to any one of claim 1 to 5 it is characterised in that：The thickness of described cover tire (2)
Between 6mm to 8mm.
7. a kind of perambulator tire according to claim 1 it is characterised in that：The tyre surface of described cover tire (2) is provided with indent
Dimpled grain (21).
8. perambulator tire described in a kind of manufacturing claims 1 mould it is characterised in that：Including upper mould (3) and lower mould (4),
Described upper mould (3) is provided with the annular upper groove (31) on molding cover tire (2) top, and described lower mould (4) is provided with molding cover tire (2)
The annular low groove (41) of bottom, described annular upper groove (31) surrounds perambulator car together with the inwall of annular low groove (41)
The tire forming cavity (5) of tire, is provided with, between described upper mould (3) and lower mould (4), the plastic cement runner being connected with tire forming cavity (5)
(6), it is respectively provided with, in described annular upper groove (31) and annular low groove (41), the first annular boss clamping the inner tube of a tyre (1)
(311) and the second annular boss (411), the inwall of described annular upper groove (31) and annular low groove (41), the inner tube of a tyre (1) outer
Wall surrounds the tyre building chamber (51) of cover tire (2) together.
9. according to claim 8 manufacture perambulator tire mould it is characterised in that：Described annular upper groove (31) and
It is respectively provided with the burr (21a) of the protrusion of molding dimpled grain (21) in annular low groove (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620925780.5U CN205970637U (en) | 2016-08-23 | 2016-08-23 | Bassinet tire and make mould thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620925780.5U CN205970637U (en) | 2016-08-23 | 2016-08-23 | Bassinet tire and make mould thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205970637U true CN205970637U (en) | 2017-02-22 |
Family
ID=58032949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620925780.5U Active CN205970637U (en) | 2016-08-23 | 2016-08-23 | Bassinet tire and make mould thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205970637U (en) |
-
2016
- 2016-08-23 CN CN201620925780.5U patent/CN205970637U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |