A detachable wheel without connection

Abstract

The present invention relates to a detachable non-connected type wheel, belonging to the technical field of automobile wheels. The detachable non-connected type wheel includes a rim, a hub and an assembly bushing; a sliding guide groove is formed at the assembly edge of the rim; a supporting end is formed at one end of the hub close to the rim; a sliding guide rail is formed on one side of the supporting end; the supporting end is adapted to the inner side surface of the rim, and the sliding guide rail is matched with the guide groove; a plurality of hubs are arranged around the axis of the rim; an assembly arc surface is formed at one end of the hub far from the inner side of the rim; the assembly bushing is coaxially arranged with the rim, and the assembly bushing simultaneously abuts against the assembly arc surfaces of a plurality of hubs, so that the supporting ends of the hubs abut against the inner side of the rim. It can detachably install the hub and the rim and ensure the connection strength between the hub and the rim, improving the service life of the wheel.

Description

Technical Field

[0001] The present invention belongs to the technical field of automobile wheels, and particularly relates to a detachable non-connected wheel. Background Art

[0002] Automobile wheels are the main components for vehicle movement. Wheels mainly consist of a rim, a hub, and an axle. Currently, the structural forms of the rim and the hub can be divided into integral and detachable types. Currently, the integral wheel is made by integrating the rim and the hub, but such a structure is not convenient for disassembly, and the entire wheel needs to be replaced whether the hub or the rim is damaged, resulting in high usage and maintenance costs. For detachable wheels, the structures of the hub and the rim are connected by fasteners. The fasteners reduce the connection strength, and the force transmission through the fasteners causes stress concentration and reduces the service life.

[0003] Therefore, designing a detachable non-connected wheel that can detachably install the hub and the rim and ensure the connection strength between the hub and the rim, and improve the service life of the wheel, is an urgent problem to be solved currently. Summary of the Invention

[0004] Based on this, the present invention aims to overcome the defects of the prior art and provides a detachable non-connected wheel. By setting sliding guide grooves capable of guiding on the rim to ensure the positioning and fitting between the rim and the hub, and using the fitting installation relationship between the assembly bushing and the assembly arc surface on the hub to support the hub, the hub can form a tight fit with the rim, thereby forming an integral installation structure between the rim and the hub. In this way, the installation of the hub and the rim is achieved through the structural cooperation between the rim and the hub. On the one hand, it can avoid using connectors to reduce the connection strength between the rim and the hub. On the other hand, it increases the contact area between the rim and the hub, and to a certain extent, can disperse the force on the rim, ensure the strength at the connection between the hub and the rim, and improve the service life of the rim and the hub.

[0005] The first technical solution provided by the present invention:

[0006] A detachable non-connected wheel, which includes a rim, a hub, and an assembly bushing; a sliding guide groove is formed at the assembly edge of the rim; one end of the hub close to the rim forms a supporting end; a sliding guide rail is formed on one side of the supporting end; the supporting end is adapted to the inner side surface of the rim, and the sliding guide rail cooperates with the guide groove; a plurality of hubs are arranged around the axis of the rim; an assembly arc surface is formed at one end of the hub far from the inner side of the rim; the assembly bushing is coaxially arranged with the rim, and the assembly bushing simultaneously supports the assembly arc surfaces of a plurality of hubs, so that the supporting end of the hub supports the inner side of the rim.

[0007] Further, the rim includes a rim body and an assembly; the assembly is located on the assembly edge of the inner side surface of the rim body; a sliding guide groove is provided on the assembly around the axis of the rim body; an assembly opening is provided on one side of the sliding guide groove away from the assembly edge.

[0008] Further, the inner side surface of the rim body is arc-shaped in a cross-section parallel to the radial direction of the rim, and the center of the circle where the arc is located is on the side close to the axis of the rim; the width of the sliding guide groove in the axial direction of the rim body and the width of the assembly opening can ensure that the sliding guide rail of the hub can be assembled into the sliding guide groove obliquely.

[0009] Further, positioning grooves are provided at intervals on the inner side surface of the rim body; positioning protrusions are provided at intervals on the end surface of the abutting end close to the rim body; the positions of the positioning protrusions are adapted to the positions of the positioning grooves; in the radial direction of the rim body, the size of the assembly opening is not less than the sum of the sizes of the positioning protrusions and the abutting end.

[0010] Further, in the radial direction of the rim body, the thickness of the abutting end on the side away from the assembly is not less than the thickness of the abutting end on the side close to the assembly, so as to ensure the force balance of the hub in the axial direction of the rim body during rotation.

[0011] Further, a positioning notch is provided on the side of the rim body away from the assembly edge; a positioning flange protrudes at the position corresponding to the positioning notch on the abutting end; the positioning flange cooperates with the positioning notch.

[0012] Further, a spiral locking groove is provided on the outer side wall of the assembly bushing around its axis; a spiral protrusion is formed around the axis of the assembly bushing on the assembly arc surface; the spiral protrusion cooperates with the spiral locking groove to ensure that the assembly bushing is self-locked when installed in the installation hole formed by a plurality of assembly arc surfaces.

[0013] Further, the fit between the assembly bushing and the installation hole formed by a plurality of assembly arc surfaces is an interference fit.

[0014] Further, the hubs appear in pairs, and a plurality of hubs are evenly spaced around the rim axis.

[0015] Further, a buffer piston is further included; a buffer hole is provided on the hub; one end of the buffer piston is located in the buffer hole, and the other end abuts against the inner side surface of the rim; a buffer cavity is formed between the buffer piston and the buffer hole; the buffer cavity is filled with buffer gas.

[0016] The beneficial effects of the present invention are as follows:

[0017] The positioning and fitting between the rim and the hub are ensured by setting slidable guiding grooves capable of guiding on the rim, and the hub is abutted by using the fitting and installation relationship between the assembly bushing and the assembly arc surface on the hub, so that a tight fit can be formed between the hub and the rim, thereby forming an integral installation structure between the rim and the hub. In this way, the installation of the hub and the rim is realized through the structural cooperation between the rim and the hub. On the one hand, the use of connecting parts can be avoided to reduce the connection strength between the rim and the hub. On the other hand, the contact area between the rim and the hub is increased, and the force on the rim can be dispersed to a certain extent, ensuring the strength of the connection between the hub and the rim and improving the service life of the rim and the hub. Description of the Drawings

[0018] Figure 1 It is a schematic structural diagram of the first perspective of the detachable non-connection type wheel according to the embodiment of the present invention;

[0019] Figure 2 It is a schematic structural diagram of the second perspective of the detachable non-connection type wheel according to the embodiment of the present invention.

[0020] Description of the Reference Numerals:

[0021] 01, rim; 11, rim body; 111, positioning groove; 12, assembly body; 121, slidable guiding groove; 122, assembly port; 13, positioning notch; 02, hub; 21, sliding guide rail; 22, positioning flange; 23, spiral protrusion; 24, positioning protrusion; 25, buffer hole; 03, assembly bushing; 31, spiral locking groove; 04, buffer piston. Detailed Embodiments

[0022] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. Usually, the components of the embodiments of the present application described and illustrated in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the present application claimed, but merely represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts fall within the scope of protection of the present application.

[0024] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0025] In the description of the embodiments of the present application, it should be understood that the orientation or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, or the orientation or positional relationships in which the product of this application is usually placed during use, or the orientation or positional relationships commonly understood by those skilled in the art. These are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application.

[0026] In the description of the embodiments of the present application, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "couple" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0027] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0028] Next, the technical solutions in the present application will be described with reference to the drawings.

[0029] Please refer to Figure 1 and Figure 2 , an embodiment of the present application provides a detachable non-connection type wheel, which includes a rim 01, a hub 02, and an assembly bushing 03; a sliding guide groove 121 is formed at the assembly edge of the rim 01; one end of the hub 02 close to the rim 01 forms a supporting end; a sliding guide rail 21 is formed on one side of the supporting end; the supporting end is adapted to the inner side surface of the rim 01, and the sliding guide rail 21 cooperates with the guide groove; a plurality of hubs 02 are arranged around the axis of the rim 01; one end of the hub 02 far from the inner side of the rim 01 forms an assembly arc surface; the assembly bushing 03 is coaxially arranged with the rim 01, and the assembly bushing 03 simultaneously abuts against the assembly arc surfaces of a plurality of hubs 02, so that the supporting ends of the hubs 02 abut against the inner side of the rim 01.

[0030] The detachable non - connected wheel ensures the positioning and fitting between the rim 01 and the hub 02 by setting a sliding guide groove 121 capable of guiding on the rim 01, and uses the fitting relationship between the assembly bushing 03 and the assembled arc surface on the hub 02 to hold the hub 02, enabling the hub 02 to form a tight fit with the rim 01, thereby forming an integral installation structure between the rim 01 and the hub 02. In this way, the installation of the hub 02 and the rim 01 is realized through the structural cooperation between the rim 01 and the hub 02. On the one hand, it can avoid using connecting parts to reduce the connection strength between the rim 01 and the hub 02. On the other hand, it increases the contact area between the rim 01 and the hub 02, which can disperse the force on the rim 01 to a certain extent, ensure the strength at the connection of the hub 02 and the rim 01, and improve the service life of the rim 01 and the hub 02.

[0031] The following is a detailed introduction to the sub - structures of the detachable non - connected wheel:

[0032] The rim 01 includes a rim body 11 and an assembly body 12; the assembly body 12 is located on the assembly edge of the inner side of the rim body 11; a sliding guide groove 121 is provided on the assembly body 12 around the axis of the rim body 11; an assembly opening 122 is provided on the side of the sliding guide groove 121 away from the assembly edge.

[0033] The present invention mainly forms the overall skeleton structure of the wheel through the tight fit between the hub 02 and the rim 01, and no longer uses fasteners to connect the hub 02 and the rim 01. In this way, in the form of the tight fit between the hub 02 and the rim 01, both the hub 02 and the rim 01 need to form structures that can accurately position and fit with each other. In this embodiment, the rim 01 is mainly positioned and connected to the hub 02 by setting a sliding guide groove 121 on the assembly edge of the inner side of the rim body 11.

[0034] It can be understood that the form and structure of the assembly body 12 forming the sliding guide groove 121 are diverse. In this embodiment, the assembly body 12 is actually a flange formed on the assembly edge. A sliding guide groove 121 is provided on this flange around the axis of the rim body 11. In this embodiment, in order to ensure that the hub 02 structure can smoothly pass through the sliding guide groove 121 for fitting and positioning, the following structural restrictions are made:

[0035] The inner side surface of the rim body 11 is arc-shaped in a cross-section parallel to the radial direction of the rim 01, and the center of the circle where the arc is located is on the side close to the axis of the rim 01; the width of the sliding guide groove 121 in the axial direction of the rim body 11 and the width of the assembly port 122 can ensure that the sliding guide rail 21 of the hub 02 can be assembled into the sliding guide groove 121 obliquely. Specifically, since the sliding guide rail 21 is on one side of the supporting end, during the process of installing the sliding guide rail 21 into the sliding guide groove 121, the supporting end will surely contact the inner side surface of the rim body 11. If the inner side surface of the rim body 11 is a plane, during the process of the sliding guide rail 21 entering the sliding guide groove 121 obliquely, the sliding guide rail 21 cannot smoothly enter the sliding guide groove 121 because the supporting end directly contacts the inner side surface of the rim body 11 and there is no space in the direction away from the axis of the rim body 11. Therefore, setting the inner side surface of the rim body 11 as an arc with the center of the arc facing the axis of the rim body 11 can provide a certain space for the supporting end to enable the sliding guide rail 21 to enter the sliding guide groove 121 obliquely.

[0036] In addition, the width of the sliding guide groove 121 in the axial direction of the rim body 11 and the width dimension of the assembly port 122 are also factors affecting whether the sliding guide rail 21 can be smoothly installed into the sliding guide groove 121. Their dimension settings need to meet the requirement that the sliding guide rail 21 will not restrict the supporting end during the process of being obliquely installed into the sliding guide groove 121, so that the supporting end cannot reach the appropriate inclination angle and cannot install the sliding guide rail 21 into the sliding guide groove 121.

[0037] It can be understood that after the sliding guide rail is correctly installed into the sliding guide groove 121, the hub 02 will rotate and slide along the direction of the sliding guide groove 121 until it reaches the set installation position. And since the hub 02 will not move relative to the rim body 11 after the hub 02 and the rim body 11 are installed, therefore, it is necessary to install and position the hub 02. In this embodiment, positioning grooves 111 are spaced apart on the inner side surface of the rim body 11; positioning protrusions 24 are spaced apart on the end surface of the supporting end close to the rim body 11; the positions of the positioning protrusions 24 are adapted to the positions of the positioning grooves 111; in the radial direction of the rim body 11, the dimension of the assembly port 122 is not less than the sum of the dimensions of the positioning protrusions 24 and the supporting end.

[0038] In this way, by providing the positioning protrusion 24 on the supporting end of the hub 02 to cooperate with the positioning groove 111 on the rim body 11, it can be ensured that the hub 02 can be accurately positioned and fixed at the installation position after reaching the set installation position along the sliding guide groove 121. Of course, it can be understood that since there is no gap between the rim body 11 and the hub 02 after the final assembly and cooperation of the hub 02 and the rim body 11, therefore, in order to facilitate the sliding of the hub 02 without being affected by the positioning protrusion 24 during the assembly process, the size of the positioning protrusion 24 should be greater than the gap between the end face of the supporting end and the inner side surface of the rim body 11.

[0039] Regarding the setting of the supporting end, since a sliding guide rail 21 is provided on one side of the supporting end and not provided on the opposite end, similarly, an assembly body 12 is provided on the assembly edge of the rim body 11 and not provided on the opposite end. This will cause an unbalanced force to be generated in the axial direction of the rim 01 during the rotation of the wheel due to the different structures on both sides after the assembly is completed. Therefore, in order to offset this unbalanced force, in this embodiment, in the radial direction of the rim body 11, the thickness of the supporting end on the side away from the assembly body 12 is not less than the thickness of the supporting end on the side close to the assembly body 12, so as to ensure the force balance of the hub 02 in the axial direction of the rim body 11 during rotation. On the one hand, increasing the thickness of the supporting end increases the strength of the supporting end, and on the other hand, it can also ensure the force balance on both sides of the wheel in the axial direction.

[0040] A positioning notch 13 is provided on the side of the rim body 11 away from the assembly edge; a positioning flange 22 protrudes from the position on the supporting end corresponding to the positioning notch 13; the positioning flange 22 cooperates with the positioning notch 13. It can be understood that since the cooperation between the sliding guide rail 21 and the sliding guide groove 121 is not a tight fit, relying solely on this cooperation cannot accurately position the relative position between the hub 02 and the rim body 11. Therefore, a positioning notch 13 is provided at the other end of the rim body 11 corresponding to the sliding guide groove 121, and the precise positioning in the axial direction of the rim body 11 is achieved by the cooperation between the positioning notch 13 and the positioning flange 22.

[0041] A spiral locking groove 31 is provided on the outer side wall of the assembly bushing 03 around its axis; a spiral protrusion 23 is formed around the axis of the assembly bushing 03 on the assembly arc surface; the spiral protrusion 23 cooperates with the spiral locking groove 31 to ensure that the assembly bushing 03 is installed in the installation holes formed by multiple assembly arc surfaces to achieve self-locking.

[0042] To achieve a tight fit between the hub 02 and the rim body 11, the hub 02 is tightly held against the inner side surface of the rim body 11 by installing an assembly bushing 03. To ensure the tightness of the fit, the fit between the assembly bushing 03 and the mounting holes formed by multiple assembly arc surfaces is an interference fit. After such assembly is completed, the assembly bushing 03, the hub 02, and the rim body 11 form an integral whole. Of course, to ensure that the assembly bushing 03 will not become loose during use, in this embodiment, a spiral locking groove 31 is provided on the assembly bushing 03 for mating with the spiral protrusion 23 on the assembly arc surface of the hub 02 to achieve a loose installation. It can be understood that the shape and structure of the spiral protrusion 23 can form a self-locking inclined plane to achieve the self-locking effect.

[0043] In addition, it is worth noting that since the hub 02 and the rim body 11 are combined by being tightly held against each other, the force on the rim body 11 is transmitted to the assembly bushing 03 through the hub 02, and has an impact on the wheel axle. This embodiment reduces the impact on the wheel axle as follows:

[0044] The hubs 02 appear in pairs, and multiple hubs 02 are evenly spaced around the axis of the rim 01. In this way, the forces on the hubs 02 can be partially eliminated in pairs. At the same time, a buffer piston 04 is provided; a buffer hole 25 is provided on the hub 02; one end of the buffer piston 04 is located in the buffer hole 25, and the other end abuts against the inner side surface of the rim 01; a buffer cavity is formed between the buffer piston 04 and the buffer hole 25; the buffer cavity is filled with buffer gas. After the rim 01 is stressed, part of the force will be dissipated by the compression of the buffer gas, thereby reducing the force transmitted from the hub 02 to the wheel axle.

[0045] In summary, for the embodiments provided by the present invention, the main effective effects are as follows:

[0046] The detachable non-connected type wheel ensures the positioning fit between the rim 01 and the hub 02 by providing a sliding guide groove 121 capable of guiding on the rim 01, and uses the fitting and installation relationship between the assembly bushing 03 and the assembly arc surface on the hub 02 to hold the hub 02, enabling the hub 02 to form a tight fit with the rim 01, thereby forming an integral installation structure between the rim 01 and the hub 02. In this way, the installation of the hub 02 and the rim 01 is achieved through the structural cooperation between the rim 01 and the hub 02. On the one hand, the use of connecting parts can be avoided to reduce the connection strength between the rim 01 and the hub 02. On the other hand, the contact area between the rim 01 and the hub 02 is increased, and to a certain extent, the force on the rim 01 can be dispersed, ensuring the strength at the connection between the hub 02 and the rim 01, and improving the service life of the rim 01 and the hub 02.

[0047] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0048] The above embodiments only express several implementation manners of the present invention, and their descriptions are relatively specific and detailed. However, it should not be construed as a limitation on the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the appended claims.

Claims

1. A detachable non-connected wheel, characterized in that, It includes a rim, a hub and an assembly bushing; an assembly edge of the rim forms a sliding guide groove; one end of the hub close to the rim forms a supporting end; a sliding guide rail is formed on one side of the supporting end; the supporting end is adapted to the inner side surface of the rim, and the sliding guide rail cooperates with the guide groove; a plurality of the hubs are arranged around the axis of the rim; an assembly arc surface is formed at one end of the hub away from the inner side of the rim; the assembly bushing is coaxially arranged with the rim, and the assembly bushing abuts against the assembly arc surfaces of a plurality of the hubs at the same time, so that the supporting end of the hub abuts against the inner side of the rim; Among them, the rim includes a rim body and an assembly body; the assembly body is located on the assembly edge of the inner side surface of the rim body; the sliding guide groove is formed on the assembly body around the axis of the rim body; an assembly opening is formed on one side of the sliding guide groove away from the assembly edge; A positioning notch is formed on one side of the rim body away from the assembly edge; a positioning flange protrudes on the supporting end at a position corresponding to the positioning notch; the positioning flange cooperates with the positioning notch.

2. The detachable non-connected wheel according to claim 1, wherein, The inner side surface of the rim body is arc-shaped in a cross-section parallel to the radial direction of the rim, and the center of the circle where the arc is located is on the side close to the axis of the rim; the width of the sliding guide groove in the axial direction of the rim body and the width of the assembly opening can ensure that the sliding guide rail of the hub can be assembled into the sliding guide groove obliquely.

3. The detachable non-connecting wheel according to claim 2, wherein Positioning grooves are arranged at intervals on the inner side surface of the rim body; positioning protrusions are arranged at intervals on the end surface of the supporting end close to the rim body; the positions of the positioning protrusions are adapted to the positions of the positioning grooves; in the radial direction of the rim body, the size of the assembly opening is not less than the sum of the sizes of the positioning protrusions and the supporting end.

4. The detachable connectionless wheel according to claim 1, wherein, In the radial direction of the rim body, the thickness of the supporting end on the side away from the assembly body is not less than the thickness of the supporting end on the side close to the assembly body, so as to ensure the force balance of the hub in the axial direction of the rim body during rotation.

5. The detachable non-connected wheel according to claim 1, characterized in that, A spiral locking groove is formed on the outer side wall of the assembly bushing around its axis; a spiral protrusion is formed on the assembly arc surface around the axis of the assembly bushing; the spiral protrusion cooperates with the spiral locking groove to ensure that the assembly bushing is installed in the installation hole formed by a plurality of the assembly arc surfaces to achieve self-locking.

6. The detachable connectionless wheel according to claim 5, wherein The fit between the assembly bushing and the installation hole formed by a plurality of the assembly arc surfaces is an interference fit.

7. The detachable connectionless wheel according to claim 6, wherein, The hubs appear in pairs, and a plurality of the hubs are evenly spaced around the axis of the rim.

8. The detachable non-connected wheel according to claim 1, wherein, It further includes a buffer piston; a buffer hole is formed on the hub; one end of the buffer piston is located in the buffer hole, and the other end abuts against the inner side surface of the rim; a buffer cavity is formed between the buffer piston and the buffer hole; the buffer cavity is filled with buffer gas.

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