CN201961089U

CN201961089U - Rim

Info

Publication number: CN201961089U
Application number: CN2011200605896U
Authority: CN
Inventors: 蔡杜淑姿
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-09
Filing date: 2011-03-09
Publication date: 2011-09-07
Anticipated expiration: 2021-03-09

Abstract

The utility model provides a rim, which comprises an annular body and a plurality of tubular fixed pieces, wherein a plurality of positioning holes are formed on the body, each fixed piece is provided with a head part, an extension section, a deformation section and a screwing section, the extension section is connected between the head part and the deformation section, the screwing section is connected to a free end of the deformation section, the thickness of the extension section is larger than that of the deformation section, and the length of the extension section is not smaller than the thickness of the positioning hole of the body, so the screwing section, the deformation section and the extension section can be inserted into the positioning hole, then the fixed piece is scrimped, a flange is formed on the deformation section to clamp the deformation section to the body, the extension section is arranged between the head part and the deformation section so as to avoid tightly clamping the flange and the head part on the body, and the fixed pieces can rotate relative to the body so as to facilitate adjusting spokes in assembly.

Description

Wheel rim

Technical field

The utility model relates to a kind of wheel rim, refers to a kind of bicycle rim that utilizes spoke to connect wheel hub especially.

Background technology

Known wheel rim is existing as described in the patents such as TaiWan, China I318179 and I280926, can tire and spoke or spoke silk be installed in wheel rim, one airtight space is provided between wheel rim and tire, can but each having it, these patents use upward or the problem on making for directly inflating use and not needing additionally to install the inner tube of a tyre; The described wheel rim of TaiWan, China I318179 patent needs to offer side perforation on annular sidewall, so that the steel wire tapered end is installed in the wheel rim, makes the structure of annular sidewall imperfect, and the stress concentration phenomenon takes place easily, and the wheel rim overall construction intensity is descended; TaiWan, China I280926 patent provides a kind of unitized construction of wheel rim spoke silk, but when this patented article is assembled in wheel rim, needs a plurality of parts are snapped in to be combined in wheel rim, the many and complicated problem that will have the cost of manufacture of making to rise of number of assembling steps of amount of parts.

For the problem that aforementioned wheel rim met with, other has the described wheel rim of TaiWan, China M382911 patent, trial is planted structure with other the result of use of being convenient to production and assembly is provided, and makes wheel rim have preferable structural strength, and this kind wheel rim has also been obtained success in production and assembly and structural strength really.

Yet, the TaiWan, China M382911 patent that the previous application of designer is got permission, provide but has the problem that can not rotate in conjunction with the connecting element of spoke, in the wheel rim that it provided, connecting element is to utilize mode of texturing, makes connecting element produce flange, utilizing flange and head to be located in rim body again fixes, in when distortion, flange will closely be resisted against wheel rim, make flange and head closely be located in rim body and can't rotate.

In the assembling of wheel rim, spoke and wheel hub, for making the wheel loop-shaped remain proper circle, need after the assembling spoke is further finely tuned, so as to proofreading and correct the bulk shape of wheel rim, and the wheel rim that TaiWan, China M382911 patent is provided can't utilize the mode of rotational fixture that spoke is finely tuned, and makes this kind wheel rim that the problem that is difficult for the correction external form or keeps in repair be arranged again; Moreover, another shortcoming that the previous technology of designer exists, be spoke and the combining of wheel rim, after then needing the distortion of connecting element and wheel rim to fix, after utilizing connecting piece again and connecting element combining, can reach the combination of spoke, two composition elements then exist element cost and stack-mounted complexity, remain to be improved once more in fact.

The utility model content

Main purpose of the present utility model is to provide a kind of wheel rim, can directly inflate use for the assembling tire, the inner tube of a tyre need be installed, and has simultaneously the characteristics of assembling, proofreading and correct and keeping in repair of being easy to again concurrently.

For reaching above-mentioned purpose, the utility model provides a kind of wheel rim, includes the body of annular and the connecting element of a plurality of tubuloses.

This body has the inside casing of annular and the top board of annular, and this inside casing has the inner peripheral surface of radial inward, and this inside casing has two side plates, and this two side plate radially extends outwardly, and this top board is connected between this two side plate, and this inside casing offers plural knock hole.

Respectively this connecting element has head, extension, deformation section and screwing section, this extension is connected between this head and this deformation section, this screwing section extends from the free end of this deformation section, the thickness of this extension is greater than the thickness of this deformation section, the length of this extension is not less than the thickness of this inside casing, and this screwing section is formed with negative thread, and this deformation section is subjected to the external force extruding to form flange, this flange is resisted against this inside casing from the side away from inner peripheral surface, makes this connecting element be arranged at this body rotationally.

Aforesaid wheel rim, wherein, this head, this extension can flush with the internal diameter of this deformation section, and this deformation section can flush with the external diameter of this screwing section, and the external diameter of this extension is preferably greater than the external diameter of this deformation section.

Aforesaid wheel rim, wherein, the external diameter of this head is preferably greater than the external diameter of this extension, and this head and this flange are located in this inside casing rotationally.

Aforesaid wheel rim, wherein, this body can have the base plate of annular, and this base plate offers this knock hole, and this two side plate radially extends outwardly from this base plate respectively.

Aforesaid wheel rim, wherein, respectively this side plate can radially extend outwardly and be bent to form in opposite directions the button portion of annular, and this two buttons portion and this top board enclose the groove that structure has annular, and this groove has the opening of annular, and this opening is between this two buttons portion.

The beneficial effects of the utility model are, having in the wheel rim that is provided can be for the fixing connecting element of spoke screw lock, can rotate relative to body after this connecting element assembling, and can be for when assembling spoke and wheel hub, rotational fixture is so that adjust the position of spoke, has to be convenient to the handling characteristics of assembling, proofreading and correct and keeping in repair.

Description of drawings

Fig. 1 is a partial perspective view of the present utility model.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Fig. 3 is a view sub-anatomy of the present utility model.

Fig. 4 is a cutaway view of the present utility model.

Fig. 5 is another embodiment scheme drawing of the present utility model.

[main element nomenclature]

1: body 21: head

11: top board 22: extension

12: knock hole 221: the collar

13: side plate 23: deformation section

131: button portion 24: screwing section

14: base plate 25: flange

2: connecting element 3: spoke

The specific embodiment

Below only with embodiment the embodiment that the utility model is possible being described, so is not the scope in order to the desire protection of restriction the utility model institute.

Please refer to Fig. 1 and Fig. 2, the utility model provides a kind of wheel rim, includes the body 1 of an annular and the connecting element 2 of a plurality of tubuloses, and these connecting elements 2 supply to be fixedly arranged on this body 1, and fixes for spoke 3 connection screw locks.

Please refer to Fig. 3, this body has an inside casing and a top board 11, this inside casing and this top board 11 all extend to annular with this body, this inside casing has the inner peripheral surface of a radial inward, this inside casing also offers a plurality of knock holees 12, this inside casing has two side plates 13, in present embodiment, this inside casing has more the base plate 14 of an annular, and offer these knock holees 12 in this base plate 14, this two side plate 13 radially extends outwardly from this base plate 14 respectively, in other embodiment of the utility model, also this two side plate 13 can be connected to each other to " V " shape, and not have base plate 14.This top board 11 is connected between this two side plate 13, in present embodiment, respectively this side plate 13 further radially extends outwardly and bending in opposite directions, the button portion 131 that makes this side plate 13 respectively have an annular, this two buttons portion 131 encloses the groove that structure has an annular with this top board 11, this groove has the opening of an annular, this opening is between this two buttons portion 131, can use for bike tyre being sticked in this two buttons portion 131, yet, be not provided with this two buttons portion, also do not have can not, still be available for users to install the tubulose tire and drive use.In present embodiment, this top board 11 does not need to offer perforation in addition with this two buttons portion 131, makes the utility model for after installing tire, can utilize this groove and tire to enclose and be configured to an air chamber, for directly inflation use, and need not assemble the inner tube of a tyre.

Respectively this connecting element 2 has a head 21, an extension 22, a deformation section 23 and a screwing section 24, this extension 22 is connected between this head 21 and this deformation section 23, this screwing section 24 extends from the free end of this deformation section 23, forms cross sectional shape as shown in Figure 3.Wherein the external diameter of this head 21 can be greater than the external diameter of this extension 22, the thickness of this extension 22 is greater than the thickness of this deformation section 23, the length of this extension 22 greater than or the rough thickness that equals this inside casing, and the maximum outside diameter of extension 22 is slightly less than the internal diameter of body knock hole 12, this screwing section 24 is formed with negative thread, whereby, respectively this connecting element 2 can be inserted in the knock hole 12, for the external force extruding, be pressed against head 21, again with screwing section 24 drawing outside knock hole 12, wherein, as shown in Figure 4, because of the tube wall of deformation section 23 is thinner, make deformation section 23 distortion that at first is squeezed, outwards protrude and form a flange 25, make this flange 25 be resisted against base plate 14 in this inside casing, make this connecting element 2 be arranged at this body 1 rotationally, form assembling mode as shown in Figure 4 from a side away from inner peripheral surface.Wherein, when the external diameter of head 21 during, can make head 21 and flange 25 be located in inside casing rotationally greater than the external diameter of extension 22.

In the utility model preferred embodiment, can make this head 21, this extension 22 flush with the internal diameter of this deformation section 23, that is this head 21, this extension 22 and this deformation section 23 have uniform internal diameter, and can make this deformation section 23 flush with the external diameter of this screwing section 24, make the external diameter of the external diameter of this extension 22, simplify the structure of this connecting element 2 so that make greater than this deformation section 23.

In another embodiment of the utility model, please refer to Fig. 5, also can make this extension comprise a collar 221 in addition, be sheathed between this deformation section 23 and this head 21 with this collar 221 and form this extension.

Comprehensive the foregoing description, the utility model can utilize this extension to be connected between this head and this deformation section, during for assembling the extension is inserted in knock hole, close head that can be inexcessive when making deformation section form flange, avoid the clamping closely of head and flange in inside casing or base plate, make connecting element can keep and can rotate relative to body, can be when assembling spoke and wheel hub, adjust the position and the angle of spoke for rotational fixture, preferable, result of use more easily is provided.

Moreover the body rotation is adjusted spoke and is loosened, tighten the design-calculated connecting element relatively, then has the connecting element and the connecting piece function of previous utility model simultaneously concurrently, and product is more simplified, cost is cheaper, price is more competitive and assemble advantages such as quick and give.

In sum, the utility model can be made as can be for directly assembling tire and inflation are used, and need not assemble the inner tube of a tyre, wherein, the utility model provides the connecting element in the wheel rim to rotate relative to body, and can supply to adjust when assembling spoke and wheel hub the position of spoke, and can be convenient to adjust spoke, proofread and correct the profile of wheel rim or wheel rim is keeped in repair, real in having progressive effect.

Claims

1. wheel rim is characterized in that it comprises:

The body of annular has the inside casing of annular and the top board of annular, and this inside casing has the inner peripheral surface of radial inward, and this inside casing has two side plates, and this two side plate radially extends outwardly, and this top board is connected between this two side plate, and this inside casing offers plural knock hole;

The connecting element of a plurality of tubuloses, have head, extension, deformation section and screwing section, this extension is connected between this head and this deformation section, this screwing section extends from the free end of this deformation section, the thickness of this extension is greater than the thickness of this deformation section, the length of this extension is not less than the thickness of this inside casing, this screwing section is formed with negative thread, this deformation section is subjected to the external force extruding to form flange, this flange is resisted against this inside casing from the side away from inner peripheral surface, makes this connecting element be arranged at this body rotationally.

2. wheel rim as claimed in claim 1 is characterized in that, this head, this extension flush with the internal diameter of this deformation section, and this deformation section flushes with the external diameter of this screwing section, and the external diameter of this extension is greater than the external diameter of this deformation section.

3. wheel rim as claimed in claim 1 is characterized in that, the external diameter of this head is greater than the external diameter of this extension, and this head and this flange are located in this inside casing rotationally.

4. wheel rim as claimed in claim 2 is characterized in that, the external diameter of this head is greater than the external diameter of this extension, and this head and this flange are located in this inside casing rotationally.

5. as each described wheel rim in the claim 1 to 4, it is characterized in that this body has the base plate of annular, this base plate offers this knock hole, and this two side plate radially extends outwardly from this base plate respectively.

6. as each described wheel rim in the claim 1 to 4, it is characterized in that respectively this side plate radially extends outwardly and is bent to form annular button portion in opposite directions, this two buttons portion and this top board enclose the groove that structure has annular, this groove has the opening of annular, and this opening is between this two buttons portion.

7. wheel rim as claimed in claim 5, it is characterized in that respectively this side plate radially extends outwardly and is bent to form annular button portion in opposite directions, this two buttons portion and this top board enclose the groove that structure has annular, this groove has the opening of annular, and this opening is between this two buttons portion.