CN103909782A - Spoke-nipple structure capable of reducing fracture possibility of spoke threads - Google Patents

Spoke-nipple structure capable of reducing fracture possibility of spoke threads Download PDF

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Publication number
CN103909782A
CN103909782A CN201310007948.5A CN201310007948A CN103909782A CN 103909782 A CN103909782 A CN 103909782A CN 201310007948 A CN201310007948 A CN 201310007948A CN 103909782 A CN103909782 A CN 103909782A
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CN
China
Prior art keywords
spoke
cap
tooth line
line section
thread part
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.)
Pending
Application number
CN201310007948.5A
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Chinese (zh)
Inventor
陈文瑄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHA-DAR ACCESSORIES Co Ltd
SHA DAR Accessories Co Ltd
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SHA-DAR ACCESSORIES Co Ltd
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Publication date
Application filed by SHA-DAR ACCESSORIES Co Ltd filed Critical SHA-DAR ACCESSORIES Co Ltd
Priority to CN201310007948.5A priority Critical patent/CN103909782A/en
Publication of CN103909782A publication Critical patent/CN103909782A/en
Pending legal-status Critical Current

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Abstract

The invention provides a spoke-nipple structure capable of reducing the fracture possibility of spoke threads. The spoke-nipple structure maintains the straightness of the spoke threads by improving a spoke and a matched nipple. The spoke comprises a spoke body, a head portion and a thread portion, wherein the head portion and the thread portion are formed at both ends of the spoke body, and the head portion is provided with a straight or bent portion for being integrated with a hub; the thread portion is a thread section with a certain length, particularly, the preset position of the spoke body, which is close to the thread portion, is provided with an annular convex portion, and the maximum outer diameter of the annular convex portion is smaller than or equal to the inner diameter of the large hole of the nipple, so that the spoke and the nipple can achieve close-fitting effects when combined. By means of the positioning function of the annular convex portion, the straightness of the thread portion can be fixed and maintained, and the flex originally formed on the threads of the thread portion due to horizontal stress can be eliminated, so that the thread portion of the spoke can avoid bending due to the knitting angle of a spoke ground arranged on a wheel rim, further fatigue fracture of the thread portion in the vertical direction due to the influence of the horizontal stress can be avoided.

Description

Reduce the spoke spoke-cap structure of spoke tooth line fracture probability
Technical field
The present invention relates to the unitized construction of a kind of spoke and spoke cap, refer to especially a kind of spoke spoke-cap structure of the reduction spoke tooth line fracture probability that is applicable to bicycle, locomotive.
Background technology
The wheel group of general locomotive or bicycle, is formed by flower-drum, spoke, wheel rim institute combined knitting.As shown in Fig. 1, Figure 1A, the structure of this spoke 1 includes spoke body 11 and is divided into the head 12 and gear thread part 13 at these spoke body 11 two ends; Macropore 22 and aperture 23 that the structure of this spoke cap 2 includes spoke cap body 21 and forms in these spoke cap body 21 interior hollow two ends and be connected, and in these aperture 23 internal diameters for there being tooth line section 231.Moreover due to the diversified design of flower-drum, and whether rim spoke cap hole has considered inclined to one side orifice angle, add the difference of spoke interlacing mode, often after wheel assembling, under stress H effect, can form a knuckle or flex points I at the gear thread part end of spoke, as shown in Figure 2.
In the time driving this locomotive or bicycle, the knuckle on above-mentioned gear thread part end, because of loading and the speed of this vehicle itself, spoke constantly extends and compresses, and finally may cause the tooth line place fracture of gear thread part.Analyze the area of fracture of tooth line, its fracture situation has directivity more, and nearly all breaks in the first tooth position, in the drawing of Fig. 2, is subject to the flex points I producing after transverse stress H.
In order to improve this problem, industry by the spoke cap hole on wheel rim, be processed into inclined to one side hole exactly, but the cost of this practice is higher according to flower-drum and spoke direction mostly, conventionally only limits to high-order or customized wheels and adopts.
Again or have spoke cap head is made to cambered surface, can be slightly according to angle rotation, but the size in the spoke cap hole on wheel rim now can limit again its steering angle, therefore functional effect is limited.
Summary of the invention
In view of above problem; the invention provides a kind of spoke spoke-cap structure that reduces spoke tooth line fracture probability is its main purpose; so so upper that to keep spoke tooth line directly to spend in implementing; make spoke gear thread part not because the angle of weave that spoke is mounted on wheel rim produces knuckle; cause the situation of fracture by fatigue with the impact of avoiding the gear thread part of vertical direction to be subject to transverse stress, and really reach object and effect of protection spoke.
For achieving the above object, the technical solution used in the present invention is:
A kind of spoke spoke-cap structure that reduces spoke tooth line fracture probability, include spoke and the spoke cap matching, it is characterized in that: this spoke body comprises: a spoke body, and be integrally formed in head and the gear thread part at these spoke body two ends, this head is used in conjunction with flower-drum, this gear thread part is the threaded section with certain length, is formed with an annular convex at this spoke body near gear thread part desired location, and this annular convex can reach close-fitting effect while combining with spoke cap.
The spoke spoke-cap structure of described reduction spoke tooth line fracture probability, wherein: the structure of the spoke cap matching includes: a spoke cap body, and be integrally formed in hollow two ends and the macropore being connected and aperture in this spoke cap body, this macropore internal diameter is anodontia line section, this hole diameter is for there being tooth line section, and the maximum outside diameter of this annular convex is less than or equal to the macropore internal diameter of spoke cap.
The spoke spoke-cap structure of described reduction spoke tooth line fracture probability, wherein: the macropore internal diameter anodontia line section of spoke cap has additional shallow tooth line section.
The spoke spoke-cap structure of described reduction spoke tooth line fracture probability, wherein: the shallow tooth line section in the macropore of spoke cap can be allowed the screw-in of spoke body containing gear thread part, makes the interior tooth footpath of this shallow tooth line section be more than or equal to the diameter of spoke body.
The spoke spoke-cap structure of described reduction spoke tooth line fracture probability, wherein: spoke forms the end structure of a undergauge at the ora terminalis of this gear thread part.
The spoke spoke-cap structure of described reduction spoke tooth line fracture probability, wherein: spoke has the end structure of lead angle in the ora terminalis formation one of this gear thread part.
The spoke spoke-cap structure of described reduction spoke tooth line fracture probability, wherein: between the macropore anodontia line section of spoke cap and aperture tooth line section, have additional one section of shallow tooth line section.
The spoke spoke-cap structure of described reduction spoke tooth line fracture probability, wherein: the shallow tooth line section between the macropore of spoke cap and aperture can be allowed the screw-in of spoke body containing gear thread part, makes the interior tooth footpath of this shallow tooth line section be more than or equal to the diameter of spoke body.
Compared with prior art, the beneficial effect that the present invention has is:
One, utilize processing mode improvement spoke structure: improve for existing spoke, the structure of this spoke includes: a spoke body, and be integrally formed in head and the gear thread part at these spoke body two ends, this head is used in conjunction with flower-drum, this gear thread part is the threaded section with certain length, particularly be formed with an annular convex at this spoke body near gear thread part desired location, the maximum outside diameter of this annular convex is less than or equal to the macropore internal diameter of spoke cap, in order to do can reach close-fitting effect in the time combining.
Two, utilize processing mode improvement spoke-cap structure: under the constant situation of existing spoke structure, the structure-improved of this spoke cap includes: a spoke cap body, and be integrally formed in hollow two ends and the macropore being connected and aperture in this spoke cap body, this macropore internal diameter is anodontia line section, this hole diameter is for there being tooth line section, particularly set up shallow tooth line section in the macropore internal diameter anodontia line section of this spoke cap, this shallow tooth line section must be able to allow that spoke body is necessity containing the screw-in of gear thread part, make the interior tooth footpath of this shallow tooth line section be more than or equal to the diameter of spoke body, while making spoke match with spoke cap, this shallow tooth line section can reach mutual close-fitting effect in spoke body and gear thread part by rotation set.
Further, the spoke that this matches, for successfully matching with the shallow tooth line of the macropore internal diameter section of spoke cap, can form in the ora terminalis of this gear thread part the termination of a undergauge, or the end structure of tool lead angle.
Three, utilize processing mode improvement spoke-cap structure: select equally under the constant situation of existing spoke and structure, the structure-improved of this spoke cap includes: a spoke cap body, and be integrally formed in hollow two ends and the macropore being connected and aperture in this spoke cap body, this macropore internal diameter is anodontia line section, this hole diameter is for there being tooth line section, particularly between the macropore and aperture tooth line section of this spoke cap, set up one section of shallow tooth line section, this shallow tooth line section must be able to allow that spoke body is necessity containing the screw-in of gear thread part, make the interior tooth footpath of this shallow tooth line section be more than or equal to the diameter of spoke body, while making spoke match with spoke cap, this shallow tooth line section can reach mutual close-fitting effect in spoke body and gear thread part by rotation set.
Brief description of the drawings
Fig. 1, Figure 1A are the structural representation of existing spoke and spoke cap;
After existing spoke and the combination of spoke cap, there is fracture schematic diagram in Fig. 2;
Fig. 3, Fig. 3 A are the structural representation of the first detailed description of the invention of the present invention;
Fig. 4 is according to after the spoke of Fig. 3 A and the combination of spoke cap, fracture schematic diagram occurring;
Fig. 5, Fig. 5 A are the structural representation of the second detailed description of the invention of the present invention;
Fig. 6 is according to after the spoke of Fig. 5 A and the combination of spoke cap, fracture schematic diagram occurring;
Fig. 7, Fig. 7 A are the structural representation of the third detailed description of the invention of the present invention;
Fig. 8 is according to after the spoke of Fig. 7 A and the combination of spoke cap, fracture schematic diagram occurring.
Description of reference numerals: spoke 1; Spoke body 11; Head 12; Gear thread part 13; Threaded section 131; Annular convex 14; Spoke cap 2; Spoke cap body 21; Macropore 22; Shallow tooth line section 221; Aperture 23; Tooth line section 231.
Detailed description of the invention
First, shown in Fig. 3, Fig. 3 A, the spoke spoke-cap structure of reduction spoke tooth line fracture probability provided by the invention, wherein the structure of this spoke 1 includes: a spoke body 11, and be integrally formed in head 12 and the gear thread part 13 at these spoke body 11 two ends, this head 12 is implemented upper form vertical pulling or bendings, in conjunction with flower-drum; This gear thread part 13 is for having the threaded section of certain length, be formed with an annular convex 14 at this spoke body 11 near gear thread part 13 desired locations especially, the maximum outside diameter of this annular convex 14 is less than or equal to macropore 22 internal diameters of spoke cap 2, in order to do can reach close-fitting effect in the time combining.
The structure of this spoke cap 2 includes: a spoke cap body 21, and the macropore 22 and aperture 23 that are integrally formed in these spoke cap body 21 interior hollow two ends and are connected, and these macropore 22 internal diameters are anodontia line section, these aperture 23 internal diameters are for there being tooth line section 231.
In combination, the gear thread part of spoke body 11 13 is penetrated and is screwed togather by macropore 22 ends of spoke cap body 21, make annular convex 14 screw togather in the lump to macropore 22 without section line section, and form and push against state.
Please continue and consult shown in Fig. 4, unitized construction according to above-mentioned spoke 1 with spoke cap 2, by knowing and find out in figure, in this spoke cap 2 has been coated on the gear thread part of spoke 1 13 and annular convex 14 completely, now because of the screens effect of annular convex 14, keep the straigheness of this gear thread part 13, and the flex points I that originally formed by transverse stress H at the gear thread part 13 of spoke 1 is eliminated, the flex points I of this transverse stress H is directed on the spoke body 11 of relatively firm annular convex 14 sides by fragile gear thread part 13.So the gear thread part 13 that improvement can make spoke 1 does not produce knuckle because of the angle of weave that spoke is mounted on wheel rim, and the impact of avoiding the gear thread part 13 of vertical direction to be subject to transverse stress causes the situation of fracture by fatigue, and really reaches effect of protection spoke.
Shown in Fig. 5, Fig. 5 A, another of the spoke spoke-cap structure of reduction spoke tooth line fracture probability provided by the invention implemented kenel; Wherein the structure of this spoke 1 includes: a spoke body 11, and be integrally formed in head 12 and the gear thread part 13 at these spoke body 11 two ends, and this head 12 is implemented upper form vertical pulling or bendings, in conjunction with flower-drum; This gear thread part 13 is for having the threaded section of certain length.
The structure of this spoke cap 2 includes: a spoke cap body 21, and the macropore 22 and aperture 23 that are integrally formed in these spoke cap body 21 interior hollow two ends and are connected, these macropore 22 internal diameters are anodontia line section, these aperture 23 internal diameters are for there being tooth line section 231, have additional shallow tooth line section 221 in the macropore 22 internal diameter anodontia line sections of this spoke cap body 21 especially, this shallow tooth line section 221 must be able to allow that spoke body 11 is necessity containing the screw-in of gear thread part 13, make the interior tooth footpath of this shallow tooth line section 221 be more than or equal to the diameter of spoke body 11, while making spoke 1 match with spoke cap 2, this shallow tooth line section 221 can screw spoke body 11 and gear thread part 13 with tooth line section 231 simultaneously.
In combination, the gear thread part of spoke body 11 13 is penetrated and screwed togather by macropore 22 ends of spoke cap body 21, utilize the spoke cap 2 shallow tooth line section 221 that the macropore 22 of anodontia line section forms originally, make the gear thread part 13 of spoke 1 screw in after 2 combinations of spoke cap, can screw in tooth line section 231 and shallow tooth line section 221, to form the state of closely cooperating simultaneously.
Please continue and consult shown in Fig. 6, unitized construction according to above-mentioned spoke 1 with spoke cap 2, by knowing and find out in figure, the gear thread part 13 of this spoke 1 screws in the shallow tooth line section 221 of macropore 22 and the tooth line section 231 of aperture 23 of spoke cap 2 completely, now because of the screens effect of shallow tooth line section 221, fix simultaneously and kept the straigheness of this gear thread part 13, also make the flex points I of this transverse stress H be directed on relatively firm spoke body 11 by fragile gear thread part 13.So the gear thread part 13 that improvement also can make spoke 1 does not produce knuckle because of the angle of weave being mounted on wheel rim, and the impact of avoiding the gear thread part 13 of vertical direction to be subject to transverse stress H causes the situation of fracture by fatigue, and really reaches effect of protecting spoke.
The above-mentioned improvement for spoke cap 2, smooth existing spoke cap smooth macropore port is changed over to the macropore 22 with shallow tooth line section 221, but this practice is in implementing the upper combination difficulty increasing between spoke 1 and spoke cap 2, therefore, for successfully spoke 1 gear thread part 13 ora terminalis being matched with macropore 22 ora terminalis of spoke cap 2, can further form the end structure 131 of a undergauge in the ora terminalis of this gear thread part 13, or adopt the end structure 131 of tool lead angle just can solve, meanwhile, so reach fast and combine smoothly effect.
Shown in Fig. 7, Fig. 7 A, an enforcement kenel again of the spoke spoke-cap structure of reduction spoke tooth line fracture probability provided by the invention; The wherein structure of this spoke 1 and above-mentioned being as good as, includes: a spoke body 11, and be integrally formed in head 12 and the gear thread part 13 at these spoke body 11 two ends, and this head 12 is implemented upper form vertical pulling or bendings, in conjunction with flower-drum; This gear thread part 13 is for having the threaded section 131 of certain length.
The structure of this spoke cap 2 includes: a spoke cap body 21, and the macropore 22 and aperture 23 that are integrally formed in the interior hollow two ends of this spoke cap body and are connected, these macropore 22 internal diameters are anodontia line section, these aperture 23 internal diameters are for there being tooth line section 231, between the special macropore 22 at this spoke cap 2 and aperture 23 tooth line sections 231, set up one section of shallow tooth line section 221, this shallow tooth line section 221 must be able to allow that spoke body 11 is necessity containing the screw-in of gear thread part 13, make the interior tooth footpath of this shallow tooth line section 221 be more than or equal to the diameter of spoke body 11, while making spoke 1 match with spoke cap 2, this shallow tooth line section 221 and tooth line section 231 can screw gear thread part 13 and the spoke body 11 of spoke body 11 simultaneously.
In combination, the gear thread part of spoke body 11 13 is penetrated and screwed togather by macropore 22 ends of spoke cap body 21, the anodontia line section of utilizing spoke cap 2 macropores 22 is for after guiding is screwed into, again shallow tooth line section 221 and gear thread part 13 are screwed in to the corresponding tooth line section 231 of spoke cap 2 simultaneously and coordinate, just can form the state of closely cooperating.
Please continue and consult shown in Fig. 8, unitized construction according to above-mentioned spoke 1 with spoke cap 2, by knowing and find out in figure, the gear thread part 13 of this spoke 1 and small part spoke body screw in the anodontia line section in the macropore 22 of spoke cap 2 completely, the tooth line section 231 of shallow tooth line section 221 and aperture 23 forms the solid shape of friction tight spiral shell, now because the anodontia line section in the macropore 22 of spoke cap 2 can reduce the difficulty that spoke 1 gear thread part 13 screws in, and rely on the effect that screws togather of shallow tooth line section 221 and tooth line section 231 simultaneously, guarantee the straigheness of this gear thread part 13, also make the flex points I of this transverse stress H be directed on relatively firm spoke body 11 by fragile gear thread part 13.So the gear thread part 13 that improvement similarly can make spoke 1 does not produce knuckle because of the angle of weave being mounted on wheel rim, and the impact of avoiding the gear thread part 13 of vertical direction to be subject to transverse stress H causes the situation of fracture by fatigue, and really reaches effect of protecting spoke.
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skill in the art understand, in the case of not departing from the spirit and scope that claim limits; can make many amendments, variation or equivalence, but within all will falling into protection scope of the present invention.

Claims (8)

1. one kind is reduced the spoke spoke-cap structure of spoke tooth line fracture probability, include spoke and the spoke cap matching, it is characterized in that: this spoke body comprises: a spoke body, and be integrally formed in head and the gear thread part at these spoke body two ends, this head is used in conjunction with flower-drum, this gear thread part is the threaded section with certain length, is formed with an annular convex at this spoke body near gear thread part desired location, and this annular convex can reach close-fitting effect while combining with spoke cap.
2. the spoke spoke-cap structure of reduction spoke tooth line fracture probability according to claim 1, it is characterized in that: the structure of the spoke cap matching includes: a spoke cap body, and be integrally formed in hollow two ends and the macropore being connected and aperture in this spoke cap body, this macropore internal diameter is anodontia line section, this hole diameter is for there being tooth line section, and the maximum outside diameter of this annular convex is less than or equal to the macropore internal diameter of spoke cap.
3. the spoke spoke-cap structure of reduction spoke tooth line fracture probability according to claim 2, is characterized in that: the macropore internal diameter anodontia line section of spoke cap has additional shallow tooth line section.
4. the spoke spoke-cap structure of reduction spoke tooth line fracture probability according to claim 3, it is characterized in that: the shallow tooth line section in the macropore of spoke cap can be allowed the screw-in of spoke body containing gear thread part, makes the interior tooth footpath of this shallow tooth line section be more than or equal to the diameter of spoke body.
5. the spoke spoke-cap structure of reduction spoke tooth line fracture probability according to claim 3, is characterized in that: spoke forms the end structure of a undergauge at the ora terminalis of this gear thread part.
6. the spoke spoke-cap structure of reduction spoke tooth line fracture probability according to claim 3, is characterized in that: spoke has the end structure of lead angle in the ora terminalis formation one of this gear thread part.
7. the spoke spoke-cap structure of reduction spoke tooth line fracture probability according to claim 2, is characterized in that: between the macropore anodontia line section of spoke cap and aperture tooth line section, have additional one section of shallow tooth line section.
8. the spoke spoke-cap structure of reduction spoke tooth line fracture probability according to claim 7, it is characterized in that: the shallow tooth line section between the macropore of spoke cap and aperture can be allowed the screw-in of spoke body containing gear thread part, makes the interior tooth footpath of this shallow tooth line section be more than or equal to the diameter of spoke body.
CN201310007948.5A 2013-01-09 2013-01-09 Spoke-nipple structure capable of reducing fracture possibility of spoke threads Pending CN103909782A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310007948.5A CN103909782A (en) 2013-01-09 2013-01-09 Spoke-nipple structure capable of reducing fracture possibility of spoke threads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310007948.5A CN103909782A (en) 2013-01-09 2013-01-09 Spoke-nipple structure capable of reducing fracture possibility of spoke threads

Publications (1)

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CN103909782A true CN103909782A (en) 2014-07-09

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102673301A (en) * 2011-03-16 2012-09-19 昆山亨利金属科技有限公司 Spoke locking device
TWI391262B (en) * 2010-03-15 2013-04-01
TWM452873U (en) * 2013-01-18 2013-05-11 Sha Dar Accessories Co Ltd Structural improvement for aluminum alloy spoke and spoke nut
US8657387B2 (en) * 2004-01-12 2014-02-25 Raphael Schlanger Connecting system for tensile elements

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8657387B2 (en) * 2004-01-12 2014-02-25 Raphael Schlanger Connecting system for tensile elements
TWI391262B (en) * 2010-03-15 2013-04-01
CN102673301A (en) * 2011-03-16 2012-09-19 昆山亨利金属科技有限公司 Spoke locking device
TWM452873U (en) * 2013-01-18 2013-05-11 Sha Dar Accessories Co Ltd Structural improvement for aluminum alloy spoke and spoke nut

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