Aluminum alloy bicycle rim
The new connection structure of the spoke assembly and rim assembly solves the problem of the need for regular maintenance of the threaded connection of aluminum alloy bicycle rims, achieving stable connection and simplified maintenance, and improving riding safety.
Patent Information
- Application Number
- CN202423204401.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-25
AI Technical Summary
The threaded connections of aluminum alloy bicycle rims require regular inspection and maintenance, increasing the complexity of use and posing safety hazards.
A novel connection structure employing spoke and rim components, including a double-column connecting rod, spring block, spring, sleeve, and toothed design, achieves a stable connection through meshing and limiting, preventing loosening.
It reduces the safety hazards of loose connections, lowers the frequency of maintenance, improves riding safety, and simplifies maintenance work.
Smart Images
Figure CN223574111U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a bicycle rim technical field, concretely is a kind of aluminium alloy bicycle rim. BACKGROUND
[0002] Aluminium alloy bicycle rim is favored with its lightweight, high strength and beautiful appearance, in manufacturing process, first aluminium alloy bar material is extruded into the shape required by extrusion process, then the material is bent into the profile of rim using coiling technology, the rim edge after forming is left with opening, finally these openings are closed by welding process, so as to complete the production of rim;
[0003] When aluminium alloy bicycle rim is connected with the mounting ring of vehicle body, bolt connecting piece is usually arranged in the inside of rim, this connecting mode involves that one end of connecting rod is machined into thread, then the threaded connecting piece is connected with bolt connecting piece by bolt;
[0004] In order to ensure the stability and safety of connection, the fastening degree of this connection needs to be checked and maintained regularly, regular maintenance can prevent loosening between connecting rod and bolt connecting piece, so as to improve the driving safety of bicycle, however, this maintenance requirement also increases the complexity of bicycle use, because user needs to check and adjust the fastening state of connecting piece regularly, therefore, a kind of aluminium alloy bicycle rim is proposed for the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of aluminium alloy bicycle rim, to solve the problem that this threaded connecting piece is connected with bolt connecting piece by bolt, the fastening degree of this connection needs to be checked and maintained regularly, this maintenance requirement also increases the complexity of bicycle use, user needs to check and adjust the fastening state of connecting piece regularly.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] An aluminium alloy bicycle rim, comprising an external shaft column, an installation shaft cylinder, a web assembly and a rim assembly, the external shaft column is rotatably connected with the installation shaft cylinder outside, the installation shaft cylinder is provided with an installation hole inside, the installation hole is provided with a web assembly inside, the web assembly is provided with a rim assembly outside, the web assembly comprises a double-column connecting rod, one side of the double-column connecting rod is fixedly connected with a web rod, the web rod is fixedly connected with a fixed spring block outside, one side of the fixed spring block is fixedly connected with a spring, one side of the spring is fixedly connected with a sleeve, the sleeve is provided with a sleeve slot inside, the web rod is fixedly connected with a ruler at the end, the rim assembly comprises a rim body, the rim body is fixedly connected with a fixed column inside, one end of the fixed column away from the rim body is provided with a slot, the rim body is provided with a tooth slot inside.
[0008] As the further optimization of the utility model, wherein: the mounting hole penetrates the inside of the mounting shaft cylinder, the double-column connecting rod one end is embedded in the inside of the mounting hole, the number of mounting holes is provided with multiple.
[0009] As the further optimization of the utility model, wherein: the shape of the double-column connecting rod is a cylinder with different diameters at both ends, a spacing is provided between the sleeve and the solid spring block, and the spring is sleeved on the outside of the strip rod.
[0010] As the further optimization of the utility model, wherein: the shape of the sleeve is a hollow cylinder, the inside of the sleeve close to the fixed column is a through structure, and the inside of the sleeve is attached to the outside of the fixed column.
[0011] As the further optimization of the utility model, wherein: the inside of the sleeve close to the strip rod is provided with a through hole, the length of the spring is one point three times the length of the sleeve, and the sleeve slides on the outside of the strip rod through the through hole.
[0012] As the further optimization of the utility model, wherein: the two sides of the ruler plate are provided with teeth, the outside of the ruler plate is attached to the inside of the tooth groove, and one end of the strip rod is in the inside of the slot.
[0013] As the further optimization of the utility model, wherein: the slot penetrates one end of the fixed column, the two sides of the tooth groove are provided with teeth, the slot is communicated with the tooth groove, and the number of fixed columns is the same as the number of sleeves.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] In the utility model, the strip assembly and the rim assembly are arranged, the device realizes stable connection between the bicycle rim and the mounting ring of the vehicle body, reduces the safety hidden danger caused by loose connection, and significantly reduces the frequency of later maintenance of the device. This connection mode avoids the loosening problem caused by traditional threaded connection, improves the riding safety of the bicycle, simplifies the maintenance work of the bicycle, and reduces the maintenance burden of the user. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the utility model;
[0017] Figure 2 It is a cut structure schematic view of the rim body of the utility model;
[0018] Figure 3 It is a structure schematic view of the A place of the utility model; Figure 2
[0019] Figure 4 The utility model discloses a width strip rod structure schematic diagram.
[0020] Figure 5 The utility model discloses a sleeve's split structure schematic diagram.
[0021] Figure 6 The utility model discloses a fixed column structure schematic diagram.
[0022] In the drawing: 1, external shaft column, 2, install axle cylinder, 3, install hole,
[0023] 4, width strip subassembly, 41, double column connecting rod, 42, width strip rod, 43, solid spring block, 44, spring, 45, sleeve, 46, sleeve groove, 47, ruler plate,
[0024] 5, wheel rim subassembly, 51, wheel rim body, 52, fixed column, 53, strip slot, 54, tooth slot. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.
[0026] It is to be noted that the terms used herein are only for describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and furthermore, it should be understood that, when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.
[0027] Please refer to Figures 1-6 The utility model provides a technical scheme:
[0028] The utility model provides an aluminium alloy bicycle wheel, including outer world axle column 1, installation axle cylinder 2, width strip subassembly 4 and wheel subassembly 5, installation axle cylinder 2 is rotatably connected to the outside of outer world axle column 1, and installation hole 3 is seted up in the inside of installation axle cylinder 2, and width strip subassembly 4 is installed in the inside of installation hole 3, and wheel subassembly 5 is installed to the outside of width strip subassembly 4, width strip subassembly 4 includes double -column connecting rod 41, and double -column connecting rod 41 one side is fixedly connected with width strip rod 42, and width strip rod 42 outside is fixedly connected with solid spring block 43, and solid spring block 43 one side is fixedly connected with spring 44, and spring 44 one side is fixedly connected with sleeve 45, and sleeve 45 inside is seted up with sleeve groove 46, and width strip rod 42 end is fixedly connected with scale plate 47, and wheel subassembly 5 includes wheel body 51, and wheel body 51 inside is fixedly connected with fixed column 52, and fixed column 52 is seted up with slot 53 to the end away from wheel body 51, and wheel body 51 inside is seted up with gear slot 54.
[0029] As further implementation of the scheme, the installation hole 3 penetrates the inside of the installation axle cylinder 2, one end of the double-column connecting rod 41 is embedded in the inside of the installation hole 3, the number of installation holes 3 is multiple, the shape of the double-column connecting rod 41 is a cylinder with different diameters at two ends, a distance is provided between the sleeve 45 and the solid spring block 43, the spring 44 is sleeved on the outside of the width strip rod 42, the sleeve 45, the solid spring block 43 and the width strip rod 42 can pass through the inside of the installation hole 3, so that the width strip subassembly 4 is connected with the installation axle cylinder 2;
[0030] As further implementation of the scheme, the sleeve 45 is in the shape of a hollow cylinder, the inside of the sleeve 45 close to the fixed column 52 is in a penetrating structure, the inside of the sleeve 45 is attached to the outside of the fixed column 52, the sleeve 45 is sleeved on the inside of the fixed column 52, so as to limit the scale plate 47 and the fixed column 52;
[0031] As further implementation of the scheme, the inside of the sleeve 45 close to the width strip rod 42 is seted up with a through hole, the length of the spring 44 is one point three times of the length of the sleeve 45, the sleeve 45 slides on the outside of the width strip rod 42 through the through hole, so that the sleeve 45 is separated from the outside of the scale plate 47 when the sleeve 45 is moved to the solid spring block 43;
[0032] As further implementation of the scheme, the two sides of the scale plate 47 are provided with teeth, the outside of the scale plate 47 is attached to the inside of the gear slot 54, one end of the width strip rod 42 is in the inside of the slot 53, the slot 53 penetrates one end of the fixed column 52, the two sides of the gear slot 54 are provided with teeth, the slot 53 is communicated with the gear slot 54, the number of the fixed columns 52 is the same as the number of the sleeves 45, so that the scale plate 47 is engaged in the inside of the gear slot 54, this connection mode greatly reduces the frequency of later maintenance of the device, and avoids the problem of loosening caused by the traditional threaded connection mode.
[0033] Work flow: in order to avoid the loose connection between the rim assembly 5 and the width bar assembly 4, reduce the frequency of maintenance, first install the device, insert the width bar 42 close to the sleeve 45 one end from the installation hole 3 of the installation shaft cylinder 2, the diameter of the sleeve 45 and the fixed spring block 43 is smaller than the opening diameter of the installation hole 3, when the width bar 42 is in the installation hole 3, then install other width bar assemblies 4, when the installation shaft cylinder 2 is connected with the width bar assembly 4, then set the external shaft column 1 on the outside of the plurality of width bar assemblies 4, press the sleeve 45 towards the fixed spring block 43, the sleeve 45 extrudes the spring 44, when the sleeve 45 is away from the ruler plate 47, install the ruler plate 47 from the one end of the tooth groove 54, the end of the ruler plate 47 away from the width bar 42 is attached to the end of the tooth groove 54 away from the strip groove 53, align the teeth of the ruler plate 47 with the teeth of the tooth groove 54, slide the ruler plate 47 out of the inside of the tooth groove 54, at this time the one end of the width bar 42 is inside the strip groove 53, then release the sleeve 45, under the action of the spring 44, the sleeve 45 slides on the outside of the width bar 42, at the same time the sleeve 45 is set on the outside of the fixed column 52, through the limiting of the sleeve 45, it can prevent the ruler plate 47 from being separated from the tooth groove 54, at this time the ruler plate 47 and the tooth groove 54 opened by the fixed column 52 can be stably engaged, when all the width bar assemblies 4 and the rim assembly 5 are installed, under the action of the centrifugal force when the rim body 51 rotates, the sleeve 45 keeps moving towards the direction of the rim body 51, so that the width bar assembly 4 will not be separated from the rim assembly 5 when riding, this connection mode greatly reduces the frequency of later maintenance of the device, avoids the problem of loose connection caused by the traditional threaded connection mode, and improves the riding safety of the bicycle.
[0034] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An aluminum alloy bicycle rim comprising an outer axle column (1), a mounting axle cylinder (2), a fender assembly (4) and a rim assembly (5), characterized in that: The outer side of the outer shaft column (1) is rotatably connected with a mounting shaft cylinder (2), the inner side of the mounting shaft cylinder (2) is provided with a mounting hole (3), the inner side of the mounting hole (3) is mounted with a width strip assembly (4), the outer side of the width strip assembly (4) is mounted with a rim assembly (5). The width strip assembly (4) comprises a double-column connecting rod (41), one side of the double-column connecting rod (41) is fixedly connected with a width strip rod (42), the outer side of the width strip rod (42) is fixedly connected with a fixed spring block (43), one side of the fixed spring block (43) is fixedly connected with a spring (44), one side of the spring (44) is fixedly connected with a sleeve (45), the inner side of the sleeve (45) is provided with a sleeve groove (46), the tail end of the width strip rod (42) is fixedly connected with a ruler plate (47), the rim assembly (5) comprises a rim body (51), the inner side of the rim body (51) is fixedly connected with a fixed column (52), one end of the fixed column (52) away from the rim body (51) is provided with a strip groove (53), the inner side of the rim body (51) is provided with a tooth groove (54).
2. An aluminum alloy bicycle rim according to claim 1, characterized in that: The mounting hole (3) penetrates the inner side of the mounting shaft cylinder (2), one end of the double-column connecting rod (41) is embedded in the inner part of the mounting hole (3), and the number of mounting holes (3) is provided with multiple.
3. An aluminum alloy bicycle rim as defined in claim 1, wherein: The shape of the double-column connecting rod (41) is a cylindrical body with different diameters at two ends, a distance is provided between the sleeve (45) and the fixed spring block (43), and the spring (44) is sleeved on the outer side of the width strip rod (42).
4. An aluminum alloy bicycle rim as defined in claim 1, wherein: The shape of the sleeve (45) is a hollow cylindrical body, the inner side of the sleeve (45) close to the fixed column (52) is a penetrating structure, and the inner side of the sleeve (45) is attached to the outer side of the fixed column (52).
5. An aluminum alloy bicycle rim as defined in claim 1, wherein: The inner side of the sleeve (45) close to the width strip rod (42) is provided with a through hole, the length of the spring (44) is one point three times the length of the sleeve (45), and the sleeve (45) slides on the outer side of the width strip rod (42) through the through hole.
6. An aluminum alloy bicycle rim as defined in claim 1, wherein: The two sides of the ruler plate (47) are provided with teeth, the outer side of the ruler plate (47) is attached to the inner side of the tooth groove (54), and one end of the width strip rod (42) is in the inner part of the strip groove (53).
7. An aluminum alloy bicycle rim as defined in claim 1, wherein: The strip groove (53) penetrates one end of the fixed column (52), the two sides of the tooth groove (54) are provided with teeth, the strip groove (53) is communicated with the tooth groove (54), and the number of fixed columns (52) is same as the number of sleeves (45).