CN214189169U

CN214189169U - Double-layer rim

Info

Publication number: CN214189169U
Application number: CN202023141198.5U
Authority: CN
Inventors: 金志鹤
Original assignee: Bulu Laisi Taicang Electric Technology Co ltd
Current assignee: Yangzhou Guojin Machinery Co.,Ltd.
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-09-14
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a double-layer wheel rim, which comprises a bottom wall, a side wall and a reinforced wall, wherein the bottom wall is a circular ring shape extending along the self axial direction, a plurality of limiting holes are arranged on the bottom wall along the circumferential direction at equal intervals, and the limiting holes extend along the radial direction of the bottom wall; the side walls are circular rings extending along the radial direction of the side walls, the inner rings of the two side walls are fixedly connected to the two axial ends of the bottom wall respectively, and the outer rings of the two side walls protrude towards the outer side of the bottom wall and are symmetrical with each other; reinforce the wall and be arc, and be provided with at least one mounting hole post along pitch arc extending direction on the wall of reinforceing, a plurality of reinforced walls can be along diapire circumference fixed mounting in proper order between the both sides wall, and mounting hole post and spacing hole one-to-one coaxial correspondence, and the mounting hole post is used for installing the tapered end nut. The utility model discloses a double-deck wheel rim, the installation of convenient manufacturing and tapered end nut reduces the processing degree of difficulty and the assembly degree of difficulty, improves machining efficiency, guarantees processingquality, improves intensity and toughness moreover, improves cross country performance, guarantees driving safety and stability, and the practicality is strong.

Description

Double-layer rim

Technical Field

The utility model belongs to the technical field of the bicycle wheel, especially, relate to a double-deck wheel rim.

Background

A common dual-layer rim for a bicycle generally includes a bottom wall and a reinforcing wall spaced from each other inside and outside, and sidewalls integrally fixed between left and right sides of the bottom wall and the reinforcing wall for engaging and engaging a tire. In order to allow the tapered nuts for fixing the wheel arc wires to be inserted and positioned, a plurality of through holes penetrating through the inner and outer peripheral surfaces of the reinforcing wall are usually inserted at equal intervals. However, the structural design of the double-layer rim can cause processing difficulty, and when the locking head and the nut for the spoke are assembled, the locking head and the nut are not easy to be inserted into the limiting hole from the through hole in an opposite mode, and the locking head and the nut are easy to fall into the annular space between the bottom wall and the reinforced wall and are not easy to take out, so that the processing and the assembly are inconvenient.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing a double-deck wheel rim makes things convenient for the installation of manufacturing and tapered end nut, reduces the processing degree of difficulty and the assembly degree of difficulty, improves machining efficiency, guarantees processingquality, improves intensity and toughness moreover, improves cross-country performance, guarantees driving safety and stability.

In order to achieve the above object, the utility model provides a double-deck wheel rim, its characterized in that, double-deck wheel rim includes: the bottom wall is in a ring shape extending along the axial direction of the bottom wall, a plurality of limiting holes are formed in the bottom wall at equal intervals along the circumferential direction, and the limiting holes extend along the radial direction of the bottom wall; the side walls are annular and extend along the radial direction of the side walls, inner rings of the two side walls are fixedly connected to the two axial ends of the bottom wall respectively, and outer rings of the two side walls protrude towards the outer side of the bottom wall and are symmetrical to each other; and the reinforced wall is arc-shaped, at least one mounting hole column is arranged on the reinforced wall along the extension direction of the arc line, the reinforced wall can be arranged between the two side walls along the circumferential direction of the bottom wall in sequence, the mounting hole columns are in one-to-one coaxial correspondence with the limiting holes, and the mounting hole columns are used for mounting lock nuts.

In one example, the mounting hole column includes a hollow column extending along the radial direction of the reinforcing wall and a stop portion coaxially and fixedly connected to the hollow column and facing the circular ring shape of the end portion of the inner arc side of the reinforcing wall, the hollow column faces an end opening of the outer arc side of the reinforcing wall, the inner diameter of the hollow column is larger than the outer diameter of the cap head of the lock nut, and the inner diameter of the stop portion is larger than the outer diameter of the cap column of the lock nut and smaller than the outer diameter of the cap head of the lock nut.

In one example, the outer ring side of the bottom wall is provided with support ring ribs in a protruding mode along the radial direction, and at least two support ring ribs are arranged on two sides of the limiting hole at intervals along the axial direction of the bottom wall; the inner arc side of the reinforced wall corresponds to the supporting ring rib and is provided with at least two clamping groove ribs, the end part of each clamping groove rib is provided with a clamping groove, the shape and the size of each clamping groove are matched with those of the supporting ring rib, and the supporting ring rib can be embedded into the clamping groove.

In an example, two the lateral wall protrusion in opposite directions is provided with the hook groove muscle, the hook groove muscle is kept away from the hook groove has been seted up to one side of diapire, the hook groove muscle with the hook groove all is followed the circumference of diapire extends, the both sides of its pitch arc extending direction of reinforced wall perpendicular to are provided with the adaptation in the coupling hook in hook groove, the terminal orientation of coupling hook the inner arc side protrusion of reinforced wall, coupling hook can with hook groove block, with reinforced wall and two the lateral wall joint is fixed.

In one example, clamping feet are arranged at two ends of the reinforcing wall in the extension direction of the arc line in a protruding mode, the width of the protruding end portion of each clamping foot is larger than that of the root portion of each clamping foot, a plurality of clamping feet are arranged at intervals in the direction perpendicular to the extension direction of the arc line of the reinforcing wall, a clamping groove is formed in a gap between every two adjacent clamping feet, and the shape and the size of each clamping groove are matched with those of the clamping feet; one the card foot of reinforceing the wall can with another the draw-in groove cooperation joint of reinforceing the wall is with adjacent two reinforce wall fixed connection.

Through the utility model provides a double-deck wheel rim can bring following beneficial effect:

1. through setting up split type intensive wall and mounting hole post, make things convenient for the manufacturing of double-deck wheel rim and the installation of tapered end nut, reduce the processing degree of difficulty and the assembly degree of difficulty, improve machining efficiency, guarantee processingquality, split type intensive wall can improve the intensity and the toughness of double-deck wheel rim moreover, improves cross-country performance, guarantees driving safety and stability, and the practicality is strong, is fit for popularizing and applying.

2. Through setting up hollow post and backstop portion, the installation of the tapered end nut of can being convenient for avoids the tapered end nut to drop to between the diapire and the intensive wall, and hollow post can also support between diapire and intensive wall, improves compressive strength, guarantees the firm of double-deck wheel rim, guarantees driving safety, and the practicality is strong.

3. Through setting up the support ring muscle and pressing from both sides the groove muscle, can support the diapire and reinforce between the wall, guarantee the compressive strength who reinforces the wall, guarantee the stable in structure of double-deck wheel rim, guarantee product quality, improve the safety in utilization, life is longer, and the practicality is strong.

4. Through setting up hook groove muscle and coupling hook, can improve the firm in connection degree of reinforceing wall and lateral wall, can also improve the intensity of lateral wall, avoid lateral wall bending deformation, improve the structural stability of lateral wall, guarantee the stable in structure of double-deck wheel rim, guarantee product quality, improve the safety in utilization, the practicality is strong.

5. Through setting up the card foot, can connect adjacent intensive wall, improve the connection stability between the intensive wall, and then improve the bending strength of diapire, guarantee the stable in structure of double-deck wheel rim, guarantee product quality, improve the safety in utilization, the practicality is strong.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic structural view of a double-layer rim according to the present invention;

FIG. 2 is a schematic view of the hook groove rib and the connecting hook of the present invention;

fig. 3 is a schematic structural view of the clip of the present invention.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

The tapered end nut comprises a cap column and a cap head fixed at one end of the cap column, and the other end of the cap column is coaxially and inwards provided with an internal thread.

As shown in fig. 1 to 3, an embodiment of the present invention provides a double-layer rim 100, which includes a bottom wall 1, a side wall 2 and a reinforcing wall 3, wherein the bottom wall 1 is a circular ring shape extending along its axial direction, a plurality of limiting holes 11 are disposed on the bottom wall 1 along a circumferential direction at equal intervals, and the limiting holes 11 extend along a radial direction of the bottom wall 1; the side walls 2 are circular rings extending along the radial direction of the side walls, inner rings of the two side walls 2 are fixedly connected to two axial ends of the bottom wall 1 respectively, and outer rings of the two side walls 2 protrude towards the outer side of the bottom wall 1 and are symmetrical with each other; reinforce wall 3 and be arc, and be provided with at least one mounting hole post 31 along pitch arc extending direction on the wall 3 of reinforceing, a plurality of wall 3 of reinforceing can follow 1 circumference of diapire fixed mounting in proper order between 2 of both sides wall, and mounting hole post 31 and spacing hole 11 one-to-one coaxial correspondence, mounting hole post 31 is used for installing tapered end nut. Through setting up split type intensive wall 3 and mounting hole post 31, make things convenient for the manufacturing of double-deck wheel rim 100 and the installation of tapered end nut, reduce the processing degree of difficulty and the assembly degree of difficulty, improve machining efficiency, guarantee processingquality, split type intensive wall 3 can improve double-deck wheel rim 100's intensity and toughness moreover, improves cross country performance, guarantees driving safety and stability, and the practicality is strong, is fit for popularizing and applying.

In a particular embodiment, the reinforcing wall 3 is concave towards the bottom wall 1 in a direction perpendicular to the direction of extension of the arc.

In a specific embodiment, 32 limiting holes are formed in the bottom wall 1 for mounting 32 spokes, and the 32 spokes can enable the double-layer rim 100 to bear heavy rolling and impact, so that the double-layer rim is not easy to generate deflection and distortion and is suitable for cross country.

Specifically, the mounting hole column 31 includes a hollow column 311 extending along the radial direction of the reinforced wall 3 and an annular stop portion 312 coaxially and fixedly connected to the end portion of the hollow column 311 facing the inner arc side of the reinforced wall 3, the hollow column 311 is open at one end facing the outer arc side of the reinforced wall 3, the inner diameter of the hollow column 311 is larger than the outer diameter of the head of the lock nut, and the inner diameter of the stop portion 312 is larger than the outer diameter of the column of the lock nut and smaller than the outer diameter of the head of the lock nut. Through setting up hollow post 311 and backstop portion 312, the installation of tapered end nut can be convenient for, avoids tapered end nut to drop to diapire 1 and reinforce between the wall 3, and hollow post 311 can also support between diapire 1 and the wall 3 of reinforceing, improves compressive strength, guarantees the firm of double-deck wheel rim 100, guarantees driving safety, and the practicality is strong.

Specifically, the outer ring side of the bottom wall 1 is provided with support ring ribs 12 in a protruding manner along the radial direction, and at least two support ring ribs 12 are arranged on two sides of the limiting hole 11 at intervals along the axial direction of the bottom wall 1; the inner arc side of the reinforcing wall 3 is provided with at least two clamping groove ribs 32 corresponding to the support ring ribs 12, the end parts of the clamping groove ribs 32 are provided with clamping grooves, the shapes and the sizes of the clamping grooves are matched with those of the support ring ribs 12, and the support ring ribs 12 can be embedded into the clamping grooves. Through setting up support ring muscle 12 and pressing from both sides groove muscle 32, can support between diapire 1 and the intensive wall 3, guarantee the compressive strength who strengthens wall 3, guarantee double-deck rim 100's stable in structure, guarantee product quality, improve the safety in utilization, life is longer, and the practicality is strong.

Specifically, both sides wall 2 is provided with hook groove muscle 21 in the protrusion in opposite directions, hook groove 211 has been seted up to one side that hook groove muscle 21 kept away from diapire 1, hook groove muscle 21 and hook groove 211 all extend along diapire 1's circumference, reinforce that the both sides of 3 perpendicular to its pitch arc extending direction of wall are provided with the coupling hook 33 of adaptation in hook groove 211, the end of coupling hook 33 is towards the inner arc side protrusion of reinforcing wall 3, coupling hook 33 can with hook groove 211 block, it is fixed with 2 joints of both sides wall to strengthen wall 3. Through setting up hook groove muscle 21 and coupling hook 33, can improve the firm in connection degree of strengthening wall 3 and lateral wall 2, can also improve lateral wall 2's intensity, avoid 2 bending deformation of lateral wall, improve lateral wall 2's structural stability, guarantee double-deck wheel rim 100's stable in structure, guarantee product quality, improve the safety in utilization, the practicality is strong.

Specifically, the two ends of the reinforcing wall 3 along the extension direction of the arc line are provided with clamping feet 34 in a protruding manner, the width of the protruding end part of each clamping foot 34 is larger than that of the root part, the plurality of clamping feet 34 are arranged at intervals along the direction perpendicular to the extension direction of the arc line of the reinforcing wall 3, a clamping groove 35 is formed in a gap between every two adjacent clamping feet 34, and the shape and the size of each clamping groove 35 are matched with those of the clamping feet 34; the clamping leg 34 of one reinforced wall 3 can be matched and clamped with the clamping groove 35 of the other reinforced wall 3 so as to fixedly connect two adjacent reinforced walls 3. Through setting up card foot 34, can connect adjacent intensive wall 3, improve the connection stability between the intensive wall 3, and then improve the bending strength of diapire 1, guarantee the stable in structure of diapire 1, guarantee double-deck wheel rim 100's stable in structure, guarantee product quality, improve the safety in utilization, the practicality is strong.

When the double-layer rim 100 of the present invention is assembled, first, the inner arc side of a reinforcing wall 3 is installed between the two side walls 2 toward the bottom wall 1, and the connecting hooks 33 are engaged with the hook grooves 211, the supporting ring ribs 12 are embedded into the clamping grooves of the clamping groove ribs 32, and the mounting hole posts 31 coaxially correspond to the limiting holes 11; then, a lock nut penetrates into the mounting hole column 31 from the outer arc side of the reinforced wall 3, penetrates through the limiting hole 11 and is in threaded connection with the spoke; then installing the next reinforced wall 3, so that the connecting hooks 33 are clamped with the hook grooves 211, the support ring ribs 12 are embedded into the clamping grooves of the clamping groove ribs 32, the mounting hole columns 31 coaxially correspond to the limiting holes 11, the adjacent clamping feet 34 of the two adjacent reinforced walls 3 are matched and clamped with the clamping grooves 35, and lock head nuts are installed and are in threaded connection with the spokes; finally, the remaining reinforcing wall 3, the tapered nut and the spokes are installed in sequence, thereby completing the assembly.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A dual layer rim, comprising:

the bottom wall is in a ring shape extending along the axial direction of the bottom wall, a plurality of limiting holes are formed in the bottom wall at equal intervals along the circumferential direction, and the limiting holes extend along the radial direction of the bottom wall;

the side walls are annular and extend along the radial direction of the side walls, inner rings of the two side walls are fixedly connected to the two axial ends of the bottom wall respectively, and outer rings of the two side walls protrude towards the outer side of the bottom wall and are symmetrical to each other; and

reinforce the wall, it is arc to reinforce the wall, just it is provided with at least one mounting hole post along pitch arc extending direction on the wall to reinforce, and is a plurality of reinforce the wall can be followed diapire circumference fixed mounting in proper order is in two between the lateral wall, just the mounting hole post with spacing hole one-to-one coaxial correspondence, the mounting hole post is used for installing lock nut.

2. The dual-layer rim according to claim 1, wherein the mounting hole pillar includes a hollow pillar extending in a radial direction of the reinforced wall and a circular ring-shaped stopper portion coaxially and fixedly connected to an end portion of the hollow pillar facing an inner arc side of the reinforced wall, an end of the hollow pillar facing an outer arc side of the reinforced wall is open, an inner diameter of the hollow pillar is larger than an outer diameter of a cap head of the lock nut, and an inner diameter of the stopper portion is larger than an outer diameter of the cap pillar of the lock nut and smaller than an outer diameter of the cap head of the lock nut.

3. The dual-layer rim as claimed in claim 1, wherein the outer circumferential side of the bottom wall is provided with a plurality of support ribs protruding radially, and at least two support ribs are disposed on two sides of the position-limiting hole at intervals along the axial direction of the bottom wall; the inner arc side of the reinforced wall corresponds to the supporting ring rib and is provided with at least two clamping groove ribs, the end part of each clamping groove rib is provided with a clamping groove, the shape and the size of each clamping groove are matched with those of the supporting ring rib, and the supporting ring rib can be embedded into the clamping groove.

4. The double-layer rim according to claim 1, wherein hook groove ribs are provided to protrude from the two side walls in opposite directions, a hook groove is provided on one side of the hook groove rib away from the bottom wall, the hook groove ribs and the hook groove both extend along the circumferential direction of the bottom wall, two sides of the reinforcing wall perpendicular to the arc extending direction are provided with connecting hooks adapted to the hook groove, the end of each connecting hook protrudes toward the inner arc side of the reinforcing wall, and the connecting hooks can be engaged with the hook grooves to fix the reinforcing wall and the two side walls in a clamping manner.

5. The dual-layer rim according to claim 1, wherein the reinforcing wall is provided with two protruding clamping legs at two ends along the extension direction of the arc line, the width of the protruding end part of each clamping leg is larger than that of the root part of each clamping leg, the clamping legs are arranged at intervals along the direction perpendicular to the extension direction of the arc line of the reinforcing wall, a clamping groove is formed in a gap between every two adjacent clamping legs, and the shape and the size of each clamping groove are matched with those of the clamping legs; one the card foot of reinforceing the wall can with another the draw-in groove cooperation joint of reinforceing the wall is with adjacent two reinforce wall fixed connection.