TWM279515U - Inner-side fastening structure of bicycle wheel rim - Google Patents

Description

M279515 IV. Creation Instructions (1) [Technical Field to which the New Type belongs] This creation relates to a retaining structure, especially used on the rim of a bicycle, which has a structure in which the flanges of the positioning tires are embedded. The simple structure design achieves a rim structure that can stably secure the tire. [Previous technology] Bicycles have the advantages of being relatively cheap, non-polluting, energy-saving, and good for health. Therefore, developing countries will be the main daily transportation for people, and advanced countries will be able to cater to environmental protection in addition to some mobility functions. Compared with cars, bicycles are easier to learn, park, and place, occupying less space on the ground, and will not emit greenhouse gases and carcinogens that harm the global environment. Extremely small, it can not only cope with many difficult mountains, but also enough for ordinary people's recreational, sports and mobility needs. Bicycles are mainly a walking tool that is powered by humans and is a driving tool for moving forward. It combines ergonomics, aerodynamics, and physical and mechanical principles. Each bicycle needs to be assembled by about 2,000 components. The parts used include: frame, front fork, handle, handle riser, large gear, crank, transmission, brake, hub, flywheel, rim, chain, pedal, fender, etc .; used The materials include metal, rubber, alloy, chemicals, etc. Among them, the tire is composed of hub, steel wire, wheel frame, tire and inner tube, and the texture and size are selected according to the road conditions. Generally speaking, the common types of bicycles currently on the market are road bikes, mountain bikes, and off-road bikes. The tires used on road bikes are narrow and thin.

Page 5 M279515 IV. Creation Instructions (2) To reduce friction resistance and increase vehicle speed; mountain bike tires are selected to be wider and thicker to meet various road conditions and increase grip; the tire specifications for road off-road vehicles are between highways Between the bike and the mountain bike; especially the tire is the only part in contact with the ground, which greatly affects the safety of driving. Therefore, the tire needs to be kept in the best condition from time to time, and a tire of an appropriate size should be installed. In terms of the rim structure in the tire, the rim is pulled straight and round by the simultaneous action of dozens of wires from the left and right sides of the axle to the rim. The true roundness of the rim is not Good, deformed or corroded, poor fit of tires and rims, etc., will all affect the safety when riding. The technological development in the field of bicycle wheels has reached a relatively mature stage, so only a small part of the technical features can be improved. Such improvements can achieve certain effects, which is a patentable creation; and The creation is mainly aimed at the structure of the wheel, and the structure between the tire and the rim, to make a better improvement in structure and efficiency. Fly new content] (Technical problems to be solved) At present, the main design focus of bicycle wheels is structure with and without inner tube, and the relationship between tire tread and grip, drainage, material of rims and steel wires 4, steel wires, tires Relations with the rims, etc. Press; it is related to the fitting of both the tire and the rim. The structure has been disclosed. Please refer to the fifth figure. The outer frame edge of the wheel and rim (80) is provided with tires. (90) A groove-shaped tire groove (8 1) is inserted and positioned, and the inner frame edge is formed with a ring rib edge (8 2) for the spoke steel wire to pass through, and the tire groove (8 1) is formed. Inward protrusions are formed on the upper edges of the two sidewalls of the groove, respectively

Page 6 M279515 Fourth, a description of the creation (3) One flange (8 3), which provides a position to be fitted with the tire (90), and can be provided with a tire with a tube or a tubeless tire . However, the flange (8 3) ringed on the rim (80) has a ring-shaped and flat outline, and the tire (90) is set in the same manner as the ring-out one. Part (9 1), which is embedded in the tire groove (8 1) to be clamped on the flange (8 3) as a positioning, however, it is only designed with a clamping structure, and its function is slightly incomplete; there is Based on this, this creation provides a bicycle rim inner edge retaining structure, which is improved with a simple structure to achieve a better " good retaining effect between the tire and the rim. 0 (Technical means to solve the problem) In order to achieve the aforementioned effect, the inner edge retaining structure of the bicycle rim disclosed in this creation has a groove-shaped tire groove formed on the outer edge of the rim, and the inner frame An edge is formed with a ring rib for the spoke steel wire to pass through, and one of the inward convex portions is formed above the extension wall on both sides of the open end of the tire groove, which is characterized in that the two sides of the inlay portion are opposite to each other on the inner side. The edge is provided with a plurality of card portions with a predetermined distance, so that the inner edge of the inlay portion is uneven and concave. With the above structure, when the tire is positioned in the tire groove and inflated to saturation, the tire is embedded. The edge of the part is fully pressed against the inner edges of the two opposite sides of the card portion and the recessed portion, which can achieve the effect of clamping. '(Compared with the effect of the prior art) ^ The main purpose of this creation is to provide a retaining structure for the inner edge of a bicycle rim, which is a simpler structure design to achieve better tire stability

Page 7 M279515 4. Creation instructions (4) Clamping function £ The second purpose of this creation is to provide a clamping structure for the inner edge of a bicycle rim, which is suitable for use with or without meat> 4 persons ㈤ w 1 Inner tube rim structure. [Embodiment] First, please refer to the first inner edge clamping structure 'and its main tire (20). The rim (1 0) is notched (1 1), and it is in the shape of a groove; one ring rib (1 2); the left and right side wall surfaces are formed with wavy wheels (20) facing the sides to make the left and right sides, The two left and right rings are set on the tire (20), which can be stuck to the above structure, and the saturated state is sufficient. 11) The left and right ends are respectively U 5) (16) 1¾ and the solid part (1 7). Shape or the tire, the open end of the tire is integrally formed into a square outline; the wheel (21) (22) is inflated to the edge part of the figure. 'A bicycle rim provided by this creation must include a rim ( 10), and a frame groove formed thereon is formed with a tire groove for the positioning of the tire, and the inner frame edge is formed with a spoke wire wire passing and combining, right extension wall (1 3) (1 4), formed in the Tire groove: one inward convex portion (丨 5) (丨 6) above each of the left and right extension walls (1 3) (1 4); a number of predetermined intervals are provided on the inner edge of each of the inlay portions The inner edges of the inlays (1 5) (1 6) of the card are slightly uneven. A cross section is a semi-closed circular contour ring, and a clip portion (2 1) (2 2) is provided above the side edge, which is attached to the tire (20), and is embedded in a slightly outwardly flanged shape. In the tire groove (Π), each of the engaging portions (1 5) (1 6) is formed by each of the card portions. When the tire is embedded and positioned in the tire groove, and then advances, the tire (20) and each of the fastening portions (17) are tightly pressed against each of the fastening portions (1 7) and the insertion portions (1 5).

M279515 Fourth, creation instructions (5), (1 6) The opposite inner edges of the two sides, and closely follow the contour curve, can achieve the effect of the second fixation. Please refer to the second figure, which is another embodiment of the creation. The ring rib (1 2) has a hollow frame structure, and the upper and lower sides of the frame are respectively provided with a relatively large diameter of ten. Perforations (1 2 1) and smaller diameter joint holes (1 2 2); each of the card portions (2 1) (2 2) is provided on the inlay portion (1 5) (1 6) and corresponding to each The position of the perforation (1 2 1); another inner tube (30) is added, and it is arranged in the container formed by each of the tire (20) and the tire groove (11). Based on the above, the bicycle rim inner edge card structure, Γ i structure and use provided by this creation have the following characteristics and effects:

Lr each of the inlays (15) (16) provides the fitting of the tire (2 ()), and the design of each of the retaining parts (17) provides a second fixation with the song 0 r? 〇) To achieve better clamping effect. 'Luo 2. This work can be used on tube tires and tubeless tires. It is highly practical.

M279515 Schematic description [Schematic description] The first figure is a partial three-dimensional appearance of a preferred embodiment of the creation. The second figure is a plan sectional view of a preferred embodiment of the creation. The third figure is a partial three-dimensional appearance diagram of another embodiment of the creation. The fourth figure is a plan sectional view of another embodiment of the creation. The fifth figure is a perspective view of a conventional structure. [Knowledge] Wheels (80) Tire grooves (8 1) Ring ribs (8 2) Flange (8 3) Tires (9 0) Fittings (9 1) (1 0) tire groove (1 1) ring rib (1 2) perforation (1 2 1) turning hole (1 2 2) left extension wall (1 3) right extension wall (1 4) inlay (1 5 ) (1 6) clamping part (1 7) tire (2 0), clamping part (21) (22) inner tube (3 0)

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Claims (1)

M279515 5. Scope of patent application 1. A bicycle wheel rim inner edge clamping structure, the outer frame edge of the rim is formed with a groove-like groove for the tire inlay and positioning, and the inner frame edge is formed with a spoke wire for threading In combination with a ring rib, one inward convex portion is formed above the extending wall on both sides of the tire groove, and is characterized in that a plurality of predetermined intervals are provided on the inner edges of the two opposite sides of the inlay portion. The clamping part makes the inner edge of the inlay part have a slightly uneven concave profile; _ With the above structure, when the tire is positioned in the tire groove and inflated to saturation, the edge of the inlay part is sufficient Pressing on the inside edges of the two sides of each of the fixing portions and the β-embedding portions can achieve the effect of fixing. ^ 2. According to the inner edge fixing structure of the bicycle rim described in item 1 of the scope of the patent application, the inner edge of the inlay is slightly uneven with a wavy contour. 3. According to the clamping structure of the inner edge of a bicycle rim according to item 1 of the scope of the patent application, the ring rib is a hollow frame structure, and there are several relatively large diameter perforations on both sides of the frame. And smaller diameter coupling holes; each of the fixing portions is disposed on the inserting portion and corresponds to the position of each of the perforations. 4. The clamping structure of the inner edge of the bicycle rim according to item 3 of the scope of the patent application, wherein the clamping portion is an arc curve concentric with the perforation. 5. According to the inner edge reading structure of the bicycle rim described in item 3 of the patent application, an internal platform is further provided between each of the tire and the tire groove. Page 11