CN2709212Y - Sectional pull connecting type light wheel rim - Google Patents

Abstract

The utility model discloses a split draw-jointing type light wheel rim, which is composed of two annular side walls which are spaced on the right side and the left side, an annular inner wall which is arranged between the radical inner end edges on the two annular side walls, and two annular hatch corners which are respectively connected with the annular side walls and the annular inner wall. Each annular hatch corner is provided with a plurality of spaced installing sections, a plurality of cut thin sections which are respectively connected between the two adjacent installing sections, and an annular hole which moves along the annular perforating installing sections and extends to the surface of the cut thin sections; each installing section is provided with a penetrating combining hole which extends from inside to outside; each cut thin section is formed by a tilted and recessed annular side wall from the radial internal side to the radial external side, and to the opposite side. The combining holes of the two annular hatch corners are mutually spaced and staggered; the cut thin sections are also mutually spaced and staggered; under the precondition of sustaining the high strength, the lightweight effect can be obtained.

Description

The branch limit sockets formula light weight wheel rim

Technical field

The utility model is a kind of wheel rim, particularly relates to a kind of several steel wires that supply respectively in the annular inner edge both sides and installs and socket to a flower hub, sockets formula light weight wheel rim in order to the branch limit that is erected at this flower hub periphery.

Background technology

Traditional wheel rim group is the bicycle wheels for example, be substantially to utilize the spoke steel wire that the colored hub and the wheel rim of inside and outside setting are combined, and in recent years, the wheel rim design focus on reinforced structure, expendable weight gradually, and beautify outward appearance ... etc. problem.

As shown in Figures 1 and 2, a kind of wheel rim 1 in the past comprise two between left and right every annular sidewall 11, and link an annular inner wall 12 and an annular outer wall 13 at these annular sidewalls 11 and inside and outside interval.This annular inner wall 12 is provided with plural number construction section 121 separately along a circumference in central authorities, and plural number is respectively formed at the cutting thin section 122 of 121 of two adjacent construction sections.Each construction section 121 has a noose hole 121, is used for for a steel wire 14 direct interlockings.Each cutting thin section 122 then is through milling and toward the radial outside depression.

From the above, wheel rim 1 in the past is provided with cutting thin section 122 separately on annular inner wall 12, though the design of cutting thin section 122 can make the wheel rim lightweight, in order to weight and the inertia that alleviates wheel rim.Yet by the strength of material rim structure, as can be known in the central circumferential location of annular inner wall 12, be the flexible big and less position of stretching resistance, and wheel rim 1 is concentrated at this position noose hole 121 and cutting thin section 122 is set, wheels after feasible assembling is finished in use, the peripheral part in noose hole 121 is the easily powerful pulling force of invar silk 14 and depressed deformation often, makes steel wire 14 be difficult to keep the structure of stretching and is lax state, and this will cause the reduction of wheel rim quality.

In addition, the design of these cutting thin sections 122, belonged to more shape weakness of intensity central circumferential location on the low side in essence with causing, cause wheel rim neither big apart from the intensity at quite short each section position, make the wheel rim integral intensity significantly reduce relatively, the support pulling force and the intensity of calculating wheel rim institute palpus that therefore in design must be more accurate, the quantity of steel wire 14 installings just, distance between two adjacent noose holes, and cutting thin section 122 is cut thin degree, just can try to achieve appropriate design so need expend big mental and physical efforts, so this wheel rim 1 structure is more undesirable.

The utility model content

Main purpose of the present utility model be to be to provide a kind of with high strength and preferable lightweight effect, and the less branch limit of design-calculated Consideration sockets formula light weight wheel rim.

The limit socketed formula light weight wheel rim in a kind of minute of the present utility model, can be located at a flower hub outside by the steel wire tapered end joining rack that several steel wires and quantity cooperate, and comprise two between left and right every annular sidewall, an annular inner wall, and second ring corner.Each annular sidewall has the radial inner end edge of a contiguous described colored hub.This annular inner wall is centered around described colored hub periphery, and the position is intermarginal in the radial inner end of two annular sidewalls.The annular corner links the radial inner end edge of annular sidewall and the left side of annular inner wall respectively, the right side, each annular corner has plural number construction section separately, plural number is connected to the cutting thin section between two adjacent construction sections, and one run through construction section and extend to the annular distance on cutting thin section surface along annular, each construction section has the noose hole that extends through inside and outside one and supply described steel wire tapered end to install, each cutting thin section is to be caved in towards radial outside and toward the annular sidewall inclination of opposite side by an inboard of contiguous described colored hub, and the noose hole of two annular corners is apart from one another by being misplaced, and cutting thin section also is apart from one another by being misplaced.

The utility model branch limit sockets formula light weight wheel rim, really having wheel rim can tension not be out of shape, can keep the wheel rim integral intensity, and can reach lightweight keeping under the high-intensity prerequisite, and effect such as more attractive in appearance, therefore, the utility model previous designs is not only novel, more can reach the utility model purpose of expection, and can utilize on the industry.

Description of drawings

Below by most preferred embodiment and accompanying drawing of the present utility model minute limit socketed formula light weight wheel rim and be elaborated, in the accompanying drawing:

Fig. 1 is a part of cross-sectional schematic of wheel rim in the past;

Fig. 2 is a part of elevational schematic view of wheel rim in the past;

Fig. 3 is the cross section view that of the present utility model minute limit sockets a preferred embodiment of formula light weight wheel rim, and the steel wire tapered end that cooperates by several steel wires and quantity is described, sets up and is combined in a flower hub periphery, and be arranged with a tire in the periphery;

Fig. 4 is a part of block diagram of this preferred embodiment;

Fig. 5 is a part of axially cross-sectional schematic of this preferred embodiment;

Fig. 6 is some cross-sectional schematic radially of this preferred embodiment; And

Fig. 7 is a part of block diagram that of the present utility model minute limit sockets another preferred embodiment of formula light weight wheel rim, illustrate plural cutting thin section-annular distance more caves in deeply.

The specific embodiment

As Fig. 3, Fig. 4 and shown in Figure 5, the preferred embodiment that the utility model branch limit sockets formula light weight wheel rim is the steel wire tapered end 3 that cooperates by several steel wires 2 and quantity, set up and be combined in a periphery that is positioned at the colored hub 4 on the line of centers 41, each steel wire 2 has one and is located at crotch end 21 on the colored hub 4 in order to hook, and an end 22 that is spirally connected in contrast to crotch end 21.This steel wire tapered end 3 has a linking section 31 for end 22 interlockings that are spirally connected, and one in contrast to being connected the section 31 and the clip section 32 of protruding expansion radially.And this wheel rim is to be made into integration by metal, and comprises second ring sidewall 5, an annular inner wall 6, second ring corner 7, and an annular outer wall 8.

Two annular sidewalls 5 be compartment of terrain, the left and right sides around this line of centers 41, and each annular sidewall 5 has one near radial inner end edge 51, the radial outer end edge 52 in contrast to radial inner end edge 51 of this line of centers 41, and several separately and about the side perforation 53 that connects.Each side perforation 53 can insert for steel wire tapered end 3 and pass.The side perforation 53 of position on two annular sidewalls 5 is that angle intervals is misplaced.

This annular inner wall 6 is centered around this flower hub 4 peripheries, and the position is at 51 at the radial inner end edge of two annular sidewalls 5.

Cooperate shown in Figure 6, two annular corners 7 link the radial inner end edge 51 of annular sidewall 5 and the left and right side of annular inner wall 6 respectively, each annular corner 7 has the cutting thin section 72 that separately construction section 71, plural number of plural number is connected to 71 of two adjacent construction sections, and one runs through construction section 71 and extends to the annular distance 73 on cutting thin section 72 surfaces along annular.The global sections thickness of these annular corners 7 is than the global sections thickness greater than this annular inner wall 62, and each cutting thin section 72 is to be caved in towards a radial outside and toward annular sidewall 5 inclinations of opposite side by a radially inner side, makes the global sections thickness of cutting thin section 72 be smaller than the global sections thickness of construction section 71.

These construction sections 71 are apart from one another by being located on the two annular corners 7 with being misplaced, and each construction section 71 has the noose hole 711 of running through inside and outside one and being communicated with annular distance 73, are used for installing steel wire tapered end 3.And each noose hole 711 is corresponding mutually with side perforation 53 across annular inner wall 62 respectively.And, make each construction section 71 be one and have the hollow part of double-deck wall body by the wearing between two parties of annular distance 73.

Each cutting thin section 72 along the annular length of annular corner 7 to, and have one and be positioned at central authorities and, and two are the segmental arc portion 722 that the degree of depth reduces gradually by these flat section portions 721 towards a side of being close to this noose hole 711 respectively towards flat section deep portion 721 of radial outside depression.Should put down the section thickness of the less segmental arc of the section thickness portion 722 of section portion 721.Certainly in design, the surface of cutting thin section 72 also can flush with annular distance 73 or more cave in than annular distance 73 and go deep into (see figure 7).

On making, this wheel rim is directly to be formed with annular distance 73 when extrusion forming, and is bonded into cast and after anodizing, relends by milling machine and process milling at interval at the radially inner side of annular corner 7 in intercept, to form cutting thin section 72 respectively.

And this annular outer wall 8 is located at the outside of this annular inner wall 6 away from this line of centers 41, and be connected the outside that two annular sidewalls 5 are positioned at side perforation 53, define jointly that a section takes the shape of the letter U and opening tire installing space 81 outwardly with annular sidewall 5, use for a tire 9 and install.This tire installing space 81 is not communicated with side perforation 53.

During assembling, steel wire tapered end 3 is held under the arm into side perforation 53, make steel wire tapered end 3 directly intert along past pairing noose hole 711, allow linking section 31 pass noose hole 711, and allow clip section 32 fasten on construction section 71, and crotch end 21 hooks of steel wire 2 are located on the colored hub 4, then the end 22 of being spirally connected with steel wire 2 is spirally connected with this section of linking 31, makes steel wire 2 bear pulling force and strains colored hub 4 and wheel rim.Tire 9 snares are installed in the space 81 at tire at last, after 81 inflations of tire installing space, the two ends of tire 9 can be positioned on the radial outer end edge 52 again.

From the above, the utlity model has the following good advantage that more in the past was:

One, can keep the intensity of wheel rim integral body: the utility model is and stiffness better both sides big at thickness On the annular corner 7, wear to interleaved noose hole 711, can increase the spacing in noose hole 711 with the dispersion pulling force, So that noose hole 711 peripheries more can tension distortion, so can keep the state that strains at of steel wire 2. In addition, cut thin Section 72 also be interleaved be located on the annular corner 7 the and cutting thin section 72 on each side ring shape corner 7, meeting With the toward each other reinforcement of construction section 71 on the opposite side annular corner 7, therefore can simplify or reduce the Intensity Design condition On other consider, make wheel rim integral body can tension distortion, structural design is better.

Two, than lightweight: the utility model more is provided with annular distance 73 and cutting thin section under the prerequisite that does not affect intensity 72, so that the overall weight of wheel rim alleviates, can reduce wheel rim inertia, and then reach more light-weighted effect.

Three, more attractive in appearance: as shown in Figure 4, this wheel rim is with argenteous aluminium alloy extrusion forming making, and Through cutting and curved be pressed into an annular after, can process boring, do again anti-oxidation anode and process, with at aluminium alloy The anode epithelium of surface-coated one deck ink black, and the utility model is more on two annular corners 7 of this wheel rim inboard, Interleaved ground milling goes out cutting thin section 72, and this will relatively excise the anode epithelium of ink black and expose argenteous aluminium Alloy, and then present the double-colored collocation of obvious interleaved, thus can promote the variability of wheel rim overall color, On the outward appearance visual sense than the tool aesthetic property.

Claims (4)

1, a kind of minute limit sockets formula light weight wheel rim, be to be located at a flower hub outside by the steel wire tapered end joining rack that several steel wires and quantity cooperate, and comprise: two between left and right every and have the annular sidewall of a radial inner end edge, the annular inner wall between two annular sidewalls respectively, reach two and link the radial inner end edge of two annular sidewalls and the annular corner of annular inner wall left and right side respectively, it is characterized in that:

Each annular corner has separately construction section, plural number of plural number and is connected to cutting thin section between two adjacent construction sections, and one run through construction section and extend to the annular distance on cutting thin section surface along annular, each construction section has the noose hole that extends through inside and outside one and supply described steel wire tapered end to install, each cutting thin section is to be caved in towards radial outside and toward the annular sidewall inclination of opposite side by radially inner side, and the noose hole of two annular corners is apart from one another by being misplaced, and cutting thin section also is apart from one another by being misplaced.

2, as claimed in claim 1 minute limit sockets formula light weight wheel rim, it is characterized in that: each cutting thin section is positioned at central authorities and towards the flat section deep portion of direction depression away from the flower hub along the annular length of annular corner to having one, and two are the segmental arc portion that the degree of depth reduces gradually by the two ends of flat section portion towards a side of vicinity construction section respectively.

3, as claimed in claim 2 minute limit sockets formula light weight wheel rim, it is characterized in that: the integral thickness of annular corner is than the integral thickness greater than annular inner wall, and the integral thickness of flat section portion of each cutting thin section is smaller than the integral thickness of segmental arc portion.

4. a minute limit as claimed in claim 1 sockets formula light weight wheel rim, it is characterized in that: this minute the limit socket formula light weight wheel rim and more comprise one and be centered around the annular outer wall of this annular inner wall away from a side of described colored hub, this annular outer wall connects two annular sidewalls, and defines jointly with annular sidewall that a section takes the shape of the letter U and opening is used tire installing space for a mounting of tyre outwardly.

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