CN104044400B - A kind of shock-absorbing wheel - Google Patents

A kind of shock-absorbing wheel Download PDF

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Publication number
CN104044400B
CN104044400B CN201410256947.9A CN201410256947A CN104044400B CN 104044400 B CN104044400 B CN 104044400B CN 201410256947 A CN201410256947 A CN 201410256947A CN 104044400 B CN104044400 B CN 104044400B
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China
Prior art keywords
attaching parts
flower
drum
absorption unit
vibration absorption
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CN201410256947.9A
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CN104044400A (en
Inventor
张雷方
尹伟
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Ningbo Tu Ruida Leisure Goods Co Ltd
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Ningbo Tu Ruida Leisure Goods Co Ltd
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Abstract

The invention discloses a kind of shock-absorbing wheel, comprise tire (1), outer rim (2), multiple vibration absorption unit (3) and flower-drum (4), the outer circumference surface of flower-drum (4) is provided with attaching parts (6), attaching parts (6) is provided with multiple point of connection for being connected with vibration absorption unit (3), and each point of connection is along the same circle distribution taking the center of the wheel shaft of flower-drum (4) (4.1) as the center of circle; And the axis of multiple vibration absorption unit (3) is all arranged along the tangential direction of the circumference at each point of connection place; Attaching parts (6) and flower-drum (4) integrated injection forming, and the component of attaching parts (6) and percentage by weight are: PP80 ~ 100 part, PA620 ~ 30 part, EP3 ~ 10 part, LiCl1 ~ 2 part, ethyl orthosilicate 1 ~ 3 part.This shock-absorbing wheel structure is simple, Stability Analysis of Structures, can realize 360 degree of dampings, good damping effect.

Description

A kind of shock-absorbing wheel
Technical field
The present invention relates to art of wheels, particularly a kind of shock-absorbing wheel.
Background technology
At present, in order to ride comfort, bicycle, the scooters such as Wheelchair are generally all equipped with shock absorbing apparatus, but sometimes because the speed of a motor vehicle is too fast or run into the situations such as handstone, still can cause the vibrations of wheel, thus jolt.Problem is, the shock absorption device of prior art generally can only do the restriction that damping or damping are subject to certain angle in the straight direction, and such as vibration absorption unit can only do the straight-line motion of above-below direction, and damping effect is limited.Application number be 201110212630.1 patent application provide a kind of hub-type damper, application number be 201220750348.9 patent provide a kind of shock-proof cart wheel hub.Multiple vibration absorption unit of above-mentioned two patents are all arrange along the radial direction of the wheel hub (spoke) of wheel, although multi-angle damping to a certain extent can be realized, but run into jolt time, the power of each vibration absorption unit is concentrated to center, for the flower-drum of wheel and the impulsive force of wheel shaft larger, flower-drum and wheel shaft easily destroy, and damping effect is not good enough, and handling and inconvenient maintenance.
Summary of the invention
Technical matters to be solved by this invention is: provide a kind of shock-absorbing wheel that a kind of structure is simple, can realize 360 degree of dampings, good damping effect.
The present invention's adopted technical scheme that solves the problem is: a kind of shock-absorbing wheel, comprise tire, outer rim, multiple vibration absorption unit and flower-drum, described multiple vibration absorption unit are connected between described outer rim and flower-drum, the outer circumference surface of described flower-drum is provided with attaching parts, described attaching parts is provided with multiple point of connection for being connected with vibration absorption unit, and each point of connection is along the same circle distribution being the center of circle with the center of the wheel shaft of flower-drum; And the axis of described multiple vibration absorption unit is all arranged along the tangential direction of the circumference at each point of connection place; Described attaching parts and described flower-drum integrated injection forming, and the component of described attaching parts and percentage by weight are:
PP80 ~ 100 part, PA620 ~ 30 part, EP3 ~ 10 part, LiCl1 ~ 2 part, ethyl orthosilicate 1 ~ 3 part.
Compared with prior art, the invention has the advantages that: present invention employs multiple vibration absorption unit and be connected between inner ring and flower-drum, like this, cause when wheel is pressed onto obstacle jolt time, each vibration absorption unit can play the effect of buffering, and all arrange along the tangential direction of the circumference of the center-point of each point of connection on flower-drum attaching parts due to the axis of each vibration absorption unit, can divide along the tangential direction of the circumference of the center-point of each point of connection the impulsive force of the flower-drum of wheel and take off, thus realize 360 degree of dampings in vehicle wheel rotation process, and very large impact can not be produced to flower-drum and wheel shaft, effectively ensure that the reliability of flower-drum and wheel shaft.Attaching parts and flower-drum integrated injection forming, assemble convenient, firmly.And attaching parts is the composite material of PP, PA6, EP, LiCl and ethyl orthosilicate, ethyl orthosilicate can disperse EP preferably, LiCl then can with PA6 complete reaction, form new coordination structure, and EP and PA6 and PP can chain extension fully, the crystallization degree of PA6 and PP and crystal structure are had a great impact, makes the mechanical property of composite material good, life-span is long, works more reliable.
As preferably, described vibration absorption unit is three, and three vibration absorption unit are uniformly distributed between described outer rim and flower-drum.Like this, like this, damping effect and cost control are taken into account.
As preferably, described outer rim has been uniformly distributed circumferentially three through holes; One end of described vibration absorption unit is connected with outer rim through through hole by bolt, and described attaching parts is provided with three mounting holes, and the other end of described vibration absorption unit is connected with attaching parts through mounting hole by hold-down bolt; And the center-point of three hold-down bolts is along the same circle distribution being the center of circle with the center of the wheel shaft of flower-drum.Like this, the Assembly &Disassembly of vibration absorption unit is all very convenient, also convenient maintenance and replacement.
As preferably, described attaching parts is made up of spaced first attaching parts and the second attaching parts, and the first described attaching parts and the symmetrical integral type injection moulding of the second attaching parts are in the outer peripheral face of described flower-drum.Like this, structure is more firm, and easy to connect.
As preferably, on described outer rim, integral molding has the adapter plate radially extended internally, and three described through holes are located on described adapter plate, and described adapter plate is in inside diminishing fan-shaped by the junction of adapter plate and outer rim.Like this, the connection structure of vibration absorption unit is more firm.
As preferably, subtracting described vibration absorption unit is metal tube bumper in the form of piston.
The preparation method of the attaching parts of shock-absorbing wheel, concrete steps comprise:
1) by after matching well by above-mentioned formula and getting raw material, anhydrous LiCl, EP and ethyl orthosilicate are dried 7 ~ 8h in the baking oven of 80 ~ 90 DEG C;
2) compound of PP and PA6 is dried 9 ~ 10h in the baking oven of 100 ~ 120 DEG C;
3) after said mixture being mixed, extruding pelletization on the twin screw extruder, temperature is 250 ~ 290 DEG C, obtained composite material;
4) by the material after above-mentioned oven dry and flower-drum integrated injection forming.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of shock-absorbing wheel of the present invention.
Fig. 2 is the structural representation of a kind of shock-absorbing wheel of the present invention.
In Fig. 1-2: 1 tire, 2 outer rims, 3 vibration absorption unit, 4 flower-drum, 4.1 wheel shafts, 5 hold-down bolts, 6 attaching partss, 6.1 first attaching partss, 6.2 second attaching partss.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are further described.
As shown in Figure 1-2, a kind of shock-absorbing wheel, comprise tire 1, outer rim 2, multiple vibration absorption unit 3 and flower-drum 4, described multiple vibration absorption unit 3 are connected between described outer rim 2 and flower-drum 4, the outer circumference surface of described flower-drum 4 is provided with attaching parts 6, described attaching parts 6 is provided with multiple point of connection for being connected with vibration absorption unit 3, and each point of connection is along the same circle distribution being the center of circle with the center of the wheel shaft 4.1 of flower-drum 4; And the axis of described multiple vibration absorption unit 3 is all arranged along the tangential direction of the circumference at each point of connection place; Described attaching parts 6 and described flower-drum 4 integrated injection forming;
Described vibration absorption unit 3 is three, and three vibration absorption unit 3 are uniformly distributed between described outer rim 2 and flower-drum 4.
Described outer rim 2 has been uniformly distributed circumferentially three through holes; One end of described vibration absorption unit 3 is connected with outer rim 2 through through hole by bolt, and described attaching parts 6 is provided with three mounting holes, and the other end of described vibration absorption unit 3 is connected with attaching parts 6 through mounting hole by hold-down bolt 5; And the center-point of three hold-down bolts 5 is along the same circle distribution being the center of circle with the center of the wheel shaft 4.1 of flower-drum 4.The above-mentioned point of connection mentioned is a recapitulative word, and in this specific embodiment, concrete each point of connection refers to the center-point of three hold-down bolts 5.
Described attaching parts 6 is made up of spaced first attaching parts 6.1 and the second attaching parts 6.2, and the first described attaching parts 6.1 and the injection moulding of the second attaching parts 6.2 symmetrical integral type are in the outer peripheral face of described flower-drum 4.
On described outer rim 2, integral molding has the adapter plate 2.1 radially extended internally, and three described through holes are located on described adapter plate 2.1, and described adapter plate 2.1 is in inside diminishing fan-shaped with the junction of outer rim 2 by adapter plate 2.1.
Described vibration absorption unit 3 is metal tube bumper in the form of piston.
Embodiment 1: component and the percentage by weight of described attaching parts 6 are: PP80 part, PA620 part, EP3 part, LiCl1 part, ethyl orthosilicate 1 part.
Embodiment 2: component and the percentage by weight of described attaching parts 6 are: PP90 part, PA625 part, EP5 part, LiCl1.5 part, ethyl orthosilicate 2 parts.
Embodiment 3: component and the percentage by weight of described attaching parts 6 are: PP100 part, PA630 part, EP10 part, LiCl2 part, ethyl orthosilicate 3 parts.
Embodiment 4: component and the percentage by weight of described attaching parts 6 are: PP100 part, PA630 part, EP3 part, LiCl1 part, ethyl orthosilicate 3 parts.
The preparation method of the attaching parts of shock-absorbing wheel, concrete steps:
1) by after matching well by above-mentioned formula and getting raw material, anhydrous LiCl, EP and ethyl orthosilicate are dried 7h in the baking oven of 85 DEG C;
2) compound of PP and PA6 is dried 10h in the baking oven of 110 DEG C;
3) after said mixture being mixed, extruding pelletization on the twin screw extruder, temperature is 260 DEG C, obtained composite material;
4) by the material after above-mentioned oven dry and flower-drum integrated injection forming.
Wherein, PP is polypropylene, PA6 is nylon 6, EP is epoxy resin, LiCl is lithium chloride.
Test finally prepares the test data of the pulling strengrth of attaching parts and bending strength, notched Izod impact strength, sees the following form:
As can be seen from the above table, attaching parts of the present invention has good mechanical property and physical property, and the life-span is long, works more reliable.
Below only just most preferred embodiment of the present invention is described, but can not be interpreted as it is limitations on claims.The present invention is not only confined to above embodiment, and its concrete structure allows to change, as vibration absorption unit also can be 4,5 etc.; Vibration absorption unit also can be all various changes done in the protection domain of independent claims of the present invention of bumper of other other structures such as fluid pressure type, vapour-pressure type all in scope.

Claims (5)

1. a shock-absorbing wheel, comprise tire (1), outer rim (2), multiple vibration absorption unit (3) and flower-drum (4), it is characterized in that: described multiple vibration absorption unit (3) are connected between described outer rim (2) and flower-drum (4), the outer circumference surface of described flower-drum (4) is provided with attaching parts (6), described attaching parts (6) is provided with multiple point of connection for being connected with vibration absorption unit (3), and each point of connection is along the same circle distribution taking the center of the wheel shaft of flower-drum (4) (4.1) as the center of circle; And the axis of described multiple vibration absorption unit (3) is all arranged along the tangential direction of the circumference at each point of connection place; Described vibration absorption unit (3) is three, and three vibration absorption unit (3) are uniformly distributed between described outer rim (2) and flower-drum (4); Described outer rim (2) has been uniformly distributed circumferentially three through holes; One end of described vibration absorption unit (3) is connected with outer rim (2) through through hole by bolt, described attaching parts (6) is provided with three mounting holes, and the other end of described vibration absorption unit (3) is connected with attaching parts (6) through mounting hole by hold-down bolt (5); And the center-point of three hold-down bolts (5) is along the same circle distribution taking the center of the wheel shaft of flower-drum (4) (4.1) as the center of circle;
Described attaching parts (6) and described flower-drum (4) integrated injection forming, and the component of described attaching parts (6) and percentage by weight are:
PP is 80 ~ 100 parts, PA6 is 20 ~ 30 parts, EP is 3 ~ 10 parts, LiCl is 1 ~ 2 part, ethyl orthosilicate is 1 ~ 3 part.
2. a kind of shock-absorbing wheel according to claim 1, it is characterized in that: described attaching parts (6) is made up of spaced first attaching parts (6.1) and the second attaching parts (6.2), described the first attaching parts (6.1) and the injection moulding of the second attaching parts (6.2) symmetrical integral type are in the outer peripheral face of described flower-drum (4).
3. a kind of shock-absorbing wheel according to claim 1, it is characterized in that: the upper integral molding of described outer rim (2) has the adapter plate (2.1) radially extended internally, three described through holes are located on described adapter plate (2.1), and described adapter plate (2.1) is in inside diminishing fan-shaped with the junction of outer rim (2) by adapter plate (2.1).
4. a kind of shock-absorbing wheel according to claim 1, is characterized in that: described vibration absorption unit (3) is metal tube bumper in the form of piston.
5. the attaching parts of shock-absorbing wheel according to claim 1, is characterized in that: component and the percentage by weight of described attaching parts (6) are: PP is 100 parts, PA6 is 30 parts, EP is 3 parts, LiCl is 1 part, ethyl orthosilicate is 3 parts.
CN201410256947.9A 2014-06-10 2014-06-10 A kind of shock-absorbing wheel Active CN104044400B (en)

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Application Number Priority Date Filing Date Title
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CN104044400B true CN104044400B (en) 2016-04-13

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108706074A (en) * 2018-08-09 2018-10-26 易龙 A kind of bicycle
CN109018179A (en) * 2018-08-09 2018-12-18 吴红梅 A kind of Chainless Bicycle
CN108839744A (en) * 2018-08-09 2018-11-20 张丹蓉 A kind of bicycle structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896868A (en) * 1974-01-17 1975-07-29 Ambrose Leo Molitor Resiliently mounted auxiliary wheel for a tractor
CN1214308A (en) * 1997-07-15 1999-04-21 萨巴·N·阿尔-萨巴 Hydraulic or pneumatic wheel for light-weight vehicle and method of using same
CN2730652Y (en) * 2004-03-19 2005-10-05 崔英磊 Piston tyre
CN101081589A (en) * 2006-05-31 2007-12-05 宋文 Shock-proof wheel of bike

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003034103A (en) * 2001-07-24 2003-02-04 Kayaba Ind Co Ltd Suspension built-in wheel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896868A (en) * 1974-01-17 1975-07-29 Ambrose Leo Molitor Resiliently mounted auxiliary wheel for a tractor
CN1214308A (en) * 1997-07-15 1999-04-21 萨巴·N·阿尔-萨巴 Hydraulic or pneumatic wheel for light-weight vehicle and method of using same
CN2730652Y (en) * 2004-03-19 2005-10-05 崔英磊 Piston tyre
CN101081589A (en) * 2006-05-31 2007-12-05 宋文 Shock-proof wheel of bike

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Inventor after: Mei Jiaru

Inventor after: Li Xiancheng

Inventor before: Zhang Leifang

Inventor before: Yin Wei

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