Split type hub

Abstract

The utility model relates to the technical field of hubs, in particular to a split type hub which comprises a hub body and a buffer rubber block mounting seat, one end of the buffer rubber block mounting seat is coaxially connected to one end of the hub body in the axis direction, a buffer rubber groove is formed in the end, away from the hub body, of the buffer rubber block mounting seat, and a buffer rubber block is embedded in the buffer rubber groove. And the buffer rubber block mounting seats are detachably connected with the hub body, so that the buffer rubber block mounting seats with proper sizes can be selected according to requirements, different use requirements are met, and the universality of hub parts is improved.

Description

Technical Field

[0001] This application relates to the technical field of wheels, and particularly to a split wheel. Background Art

[0002] A buffer rubber block is a part installed on a motorcycle wheel. Its main function is to buffer the vibration and impact between the wheel and the ground, improving the riding comfort and stability.

[0003] In the traditional structure of a motorcycle rear wheel, the buffer rubber block mounting seat is cast integrally with the wheel hub body. The buffer rubber block mounting seat is provided with a buffer rubber groove for the buffer rubber block to be embedded. The size and demolding angle of the wheel hub limit the size of the buffer rubber block installation space. When installing the buffer rubber block, in order to ensure the stability of the connection and the buffer effect of the buffer rubber block, it is necessary to select a buffer rubber block adapted to the buffer rubber groove, and the versatility of the parts is relatively low. Utility Model Content

[0004] In order to achieve the detachable connection between the buffer rubber block mounting seat and the wheel hub body and improve the versatility of the parts, this application provides a split wheel.

[0005] The split wheel provided by this application adopts the following technical solutions:

[0006] A split wheel includes a wheel hub body and a buffer rubber block mounting seat. One end of the buffer rubber block mounting seat is coaxially connected to one end of the wheel hub body in the axial direction. The end of the buffer rubber block mounting seat away from the wheel hub body is provided with a buffer rubber groove for the buffer rubber block to be embedded.

[0007] By adopting the above technical solutions, the buffer rubber block mounting seat and the wheel hub body are detachably connected, which is convenient to select a buffer rubber block mounting seat with a suitable size according to needs to meet different usage requirements and improve the versatility of the wheel hub parts.

[0008] Preferably, a plurality of first reinforcing ribs are connected to the bottom of the buffer rubber groove, and the plurality of first reinforcing ribs are evenly distributed circumferentially around the axis of the buffer rubber block mounting seat.

[0009] By adopting the above technical solutions, the first reinforcing ribs are connected to the bottom of the buffer rubber groove, improving the structural strength of the buffer rubber groove and the service life of the buffer rubber block mounting seat.

[0010] Preferably, the wheel includes a rim, a spoke and a connecting seat. One end of the connecting seat in the axial direction of the connecting seat is coaxially connected with a positioning ring. The buffer rubber block mounting seat is coaxially provided with a positioning hole. The positioning ring is embedded in the positioning hole, and the outer wall of the positioning ring fits with the hole wall of the positioning hole. The rim is located outside the connecting seat, and the axis of the rim coincides with the axis of the connecting seat. One end of the spoke is connected to the outer wall of the connecting seat, and the other end of the spoke is connected to the inner wall of the rim.

[0011] By adopting the above technical solution, the connecting seat is provided with a positioning ring which is embedded in the positioning hole, facilitating the connection between the buffer rubber block mounting seat and the hub body, helping the axis of the buffer rubber block mounting seat to coincide with the axis of the hub body, and helping the driving component to drive the hub body to rotate.

[0012] Preferably, it further includes fixing bolts. A plurality of connecting holes are provided at the bottom of the buffer rubber groove, and the plurality of connecting holes are circumferentially and evenly distributed around the axis of the buffer rubber block mounting seat. The connecting seat is provided with fixing holes, and the number of the fixing holes is the same as and corresponds to the number of the connecting holes one by one. The fixing bolts pass through the connecting holes and are threadedly connected to the fixing holes.

[0013] By adopting the above technical solution, the buffer rubber block mounting seat can be easily installed and disassembled by threading the bolts through the connecting holes and then threadedly connecting them to the fixing holes, improving work efficiency. Setting a plurality of fixing bolts ensures the stability of the connection between the buffer rubber block mounting seat and the hub body.

[0014] Preferably, the rim is provided with a valve hole which communicates with the inner and outer sides of the rim.

[0015] By adopting the above technical solution, the valve hole is provided to provide a reserved channel for inflating the inner tube of the tire during subsequent use.

[0016] Preferably, the spoke is provided with a through hole, and the shape of the through hole is the same as that of the spoke.

[0017] By adopting the above technical solution, on the basis of ensuring the structural strength of the hub body, the weight of the hub body is reduced, the fuel consumption of the vehicle is reduced, meeting the purpose of saving energy and protecting the environment.

[0018] Preferably, a third reinforcing rib is provided on the wall of the through hole. The third reinforcing rib is annular and extends circumferentially along the through hole.

[0019] By adopting the above technical solution, the third reinforcing rib is arranged circumferentially around the through hole, improving the structural strength of the spoke and the service life of the hub body.

[0020] Preferably, it further includes a second reinforcing rib. The second reinforcing rib is located on the side wall of the spoke, and the two ends of the second reinforcing rib are respectively connected to the inner wall of the rim and the outer wall of the connecting seat.

[0021] By adopting the above technical solution, the second reinforcing rib is provided on the side wall of the spoke, and the two ends of the second reinforcing rib are respectively connected to the inner wall of the rim and the outer wall of the connecting seat, improving the connection stability between the spoke, the rim and the connecting seat, enhancing the structural strength of the hub body, and increasing the service life of the hub body.

[0022] Preferably, a counterbore is provided on the side of the connecting seat away from the positioning ring. The counterbore is used for the brake disc to be inserted. A plurality of mounting holes are provided at the bottom of the counterbore, and the mounting holes are used for threaded connection with bolts to realize the connection between the brake disc and the connecting seat.

[0023] By adopting the above technical solution, a counterbore is provided at one end of the connecting seat away from the positioning ring. The counterbore is used for the brake disc to be inserted. The counterbore plays a positioning role for the brake disc, reducing the possibility of the brake disc moving radially along the connecting seat during use and improving the stability of the connection between the hub body and the brake disc.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. The buffer rubber block mounting seat is detachably connected to the hub body, which is convenient to select a buffer rubber block mounting seat with a suitable size according to needs to meet different usage requirements and improve the versatility of hub components;

[0026] 2. The connecting seat is provided with a positioning ring, and the positioning ring is embedded in the positioning hole, which is convenient to realize the connection between the buffer rubber block mounting seat and the hub body, helps the axis of the buffer rubber block mounting seat to coincide with the axis of the hub body, and helps the driving component to drive the hub body to rotate;

[0027] 3. On the basis of ensuring the structural strength of the hub body, the weight of the hub body is reduced, the vehicle fuel consumption is reduced, which meets the purpose of saving energy and protecting the environment. The third reinforcing rib is arranged circumferentially around the through hole to improve the structural strength of the wheel spoke and the service life of the hub body. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a sectional view of the hub body.

[0029] Figure 2 is a structural schematic diagram of a split hub.

[0030] Figure 3 is an exploded structural schematic diagram of a split hub.

[0031] Figure 4 is a structural schematic diagram of the split hub from another perspective.

[0032] Description of the reference numerals:

[0033] 1. Hub body; 11. Rim; 111. Valve hole; 112. First step surface; 113. Second step surface; 114. Third step surface; 115. Embedded groove; 116. Groove; 12. Spoke; 121. Through hole; 122. Third reinforcing rib; 123. Second reinforcing rib; 124. Fillet; 13. Connection seat; 131. Positioning ring; 132. Fixing hole; 133. Fourth reinforcing rib; 134. Wheel axle hole; 135. Convex ring; 136. Cavity; 137. Vent hole; 138. Second chamfer; 139. Connection column; 1391. Counterbore; 1392. Mounting hole; 1310. Connection bar;

[0034] 2. Buffer rubber block mounting seat; 21. Buffer rubber groove; 22. First reinforcing rib; 23. Positioning hole; 24. Connection hole; 25. First chamfer;

[0035] 3. Fixing bolt. Specific implementation manner

[0036] The following further elaborates on this application in conjunction with the attached drawings.

[0037] Refer to Figure 1 , the embodiment of this application discloses a split hub including a hub body 1. The hub body 1 includes a rim 11, a spoke 12, and a connection seat 13. The rim 11 is located outside the connection seat 13, and the axis of the rim 11 coincides with the axis of the connection seat 13. The middle of the rim 11 bulges inward to form a first step surface 112, a second step surface 113, and a third step surface 114 in sequence. The outside of the rim 11 is for the tire to be embedded. A valve hole 111 is provided at the third step surface 114, and the valve hole 111 communicates with both the inside and outside of the rim 11. An embedded groove 115 is provided at the hole wall of the end of the valve hole 111 away from the connection seat 13. A plurality of spokes 12 are provided between the rim 11 and the connection seat 13. One end of the spoke 12 is fixedly connected to the inside of the third step surface 114, and the other end of the spoke 12 is fixedly connected to the outer wall of the connection seat 13. The plurality of spokes 12 are circumferentially and evenly distributed around the axis of the connection seat 13.

[0038] Refer to Figure 1 and Figure 2, in this embodiment, there are five spokes 12. A groove 116 is stamped on the outer side of the third step surface 114 towards the side close to the connecting seat 13. The number of grooves 116 is the same as and corresponds one-to-one with the number of spokes 12. The distance between the two side walls of the spoke 12 in the circumferential direction gradually decreases from the inside to the outside in the radial direction. A second reinforcing rib 123 is fixedly connected to the side wall of the spoke 12. The second reinforcing rib 123 extends along the length direction of the side wall of the spoke 12. One end of the second reinforcing rib 123 is fixedly connected to the inner wall of the third step surface 114, and the other end of the second reinforcing rib 123 is fixedly connected to the outer wall of the connecting seat 13. A fillet 124 is provided at the connection between the second reinforcing rib 123 and the third step surface 114. A number of fourth reinforcing ribs 133 are fixedly connected to the outer wall of the connecting seat 13. There is one fourth reinforcing rib 133 between adjacent two spokes 12. The two ends of the fourth reinforcing rib 133 are respectively fixedly connected to the connections between the adjacent two third reinforcing ribs 122 and the connecting seat 13. The spoke 12 is provided with a through hole 121. The through hole 121 axially penetrates the spoke 12 along the axis of the connecting seat 13. The shape of the through hole 121 is the same as that of the spoke 12. A third reinforcing rib 122 is fixedly connected to the hole wall of the through hole 121. The third reinforcing rib 122 is annular and extends along the circumference of the through hole 121.

[0039] Refer to Figure 1 , a wheel axle hole 134 is coaxially provided on the connecting seat 13. The wheel axle hole 134 axially penetrates the connecting seat 13 along the axis direction of the connecting seat 13. A convex ring 135 is fixedly connected to the hole wall of the wheel axle hole 134. The hole walls on both sides of the convex ring 135 along the axis direction of the wheel axle hole 134 are conical. The cross-sectional area of the wheel axle hole 134 on the side close to the convex ring 135 is smaller than that on the side far from the convex ring 135. The connecting seat 13 is provided with a cavity 136. The cavity 136 is arranged around the wheel axle hole 134. An air vent 137 is provided on the outer wall of the cavity 136. The air vent 137 is communicated with the through hole 121. The number of air vents 137 is the same as and corresponds one-to-one with the number of through holes 121.

[0040] Refer to Figure 2 and Figure 3, a split hub further includes a buffer rubber block mounting seat 2. One end of the connecting seat 13 in the axial direction of the connecting seat 13 is coaxially and fixedly connected with a positioning ring 131. The buffer rubber block mounting seat 2 is coaxially provided with a positioning hole 23, the positioning ring 131 is embedded in the positioning hole 23, the outer wall and the hole wall of the positioning hole 23 are in contact with each other, one side surface of the buffer rubber block mounting seat 2 abuts against one end of the connecting seat 13 close to the positioning ring 131, and a buffer rubber groove 21 is provided on the side of the buffer rubber block mounting seat 2 away from the connecting seat 13. The buffer rubber groove 21 is used for embedding the buffer rubber block. A plurality of first reinforcing ribs 22 are fixedly connected to the bottom of the buffer rubber groove 21, and the plurality of first reinforcing ribs 22 are evenly distributed circumferentially around the axis of the buffer rubber block mounting seat 2. In this embodiment, six first reinforcing ribs 22 are provided. The length direction of the first reinforcing rib 22 is parallel to the radial direction of the buffer rubber block mounting seat 2, and both ends of the first reinforcing rib 22 are fixedly connected to the inner and outer side walls of the buffer rubber groove 21 respectively.

[0041] Refer to Figure 3 , a split hub further includes a fixing bolt 3. A connecting hole 24 is provided at the bottom of the buffer rubber groove 21. The connecting hole 24 axially penetrates through the buffer rubber block mounting seat 2 along the buffer rubber block mounting seat 2. A first chamfer 25 is provided at the hole wall of the end of the connecting hole 24 away from the connecting seat 13. The first chamfer 25 is used for the rod portion of the fixing bolt 3 to abut against. A plurality of connecting holes 24 are provided between adjacent two first reinforcing ribs 22. In this embodiment, one connecting hole 24 is provided between adjacent two first reinforcing ribs 22, and the six connecting holes 24 are evenly distributed circumferentially around the axis of the buffer rubber block mounting seat 2. A plurality of fixing holes 132 are provided at one end of the connecting seat 13 close to the positioning ring 131. The number of the fixing holes 132 and the fixing bolts 3 is the same as the number of the connecting holes 24 and they correspond to each other one by one. A second chamfer 138 is provided at the hole wall of the end of the fixing hole 132 close to the buffer rubber block mounting seat 2. The second chamfer 138 is used for the rod portion of the fixing bolt 3 to abut against. The fixing bolt 3 passes through the connecting hole 24 and is threadedly connected with the fixing hole 132.

[0042] Refer to Figure 1 and Figure 4, a connecting column 139 is fixedly connected to one end of the connecting seat 13 away from the positioning ring 131. The number of the connecting columns 139 is the same as and corresponds one by one to the number of the spokes 12. The connecting columns 139 are located between two spokes 12, and the length direction of the connecting columns 139 is parallel to the axis direction of the connecting seat 13. A connecting bar 1310 is arranged between the connecting column 139 and the connecting seat 13. The number of the connecting bars 1310 is the same as and corresponds one by one to the number of the connecting columns 139. Two ends of the connecting bar 1310 are respectively fixedly connected to the outer wall of the connecting column 139 and the outer wall of the connecting seat 13. The side surfaces of the connecting bar 1310 and the connecting column 139 away from the positioning ring 131 are flush with the side surface of the connecting seat 13 away from the positioning ring 131. A sunk groove 1391 is arranged at one end of the connecting column 139 away from the positioning ring 131, and the sunk groove 1391 is used for embedding a brake disc. An installation hole 1392 is arranged at the bottom of the sunk groove 1391. The number of the installation holes 1392 is the same as and corresponds one by one to the number of the connecting columns 139. The axis of the installation hole 1392 coincides with the axis of the connecting column 139, and the installation hole 1392 is used for being in threaded connection with a bolt to realize the connection between the brake disc and the connecting seat 13.

[0043] The implementation principle of a split-type wheel hub in an embodiment of the present application is as follows: select a buffer rubber block mounting seat 2 with a suitable size, embed the positioning ring 131 into the positioning hole 23 so that the outer wall of the positioning ring 131 fits against the hole wall of the positioning hole 23. When the side surface of the buffer rubber block mounting seat 2 close to the connecting seat 13 abuts against one end of the connecting seat 13 close to the positioning ring 131, pass a fixing bolt 3 through the connecting hole 24 and then thread it with the fixing hole 132 to realize the fixation between the buffer rubber block mounting seat 2 and the wheel hub body 1.

[0044] The above are all the preferred embodiments of the present application, and the protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A split wheel hub, characterized in that: The wheel hub comprises a wheel hub body (1) and a buffer rubber block mounting seat (2); one end of the buffer rubber block mounting seat (2) is coaxially connected to one end of the wheel hub body (1) in the axial direction; the end of the buffer rubber block mounting seat (2) away from the wheel hub body (1) is provided with a buffer rubber groove (21); the buffer rubber groove (21) is used for the buffer rubber block to be embedded.

2. The split wheel hub according to claim 1, characterized in that: A plurality of first reinforcing ribs (22) are connected to the bottom of the buffer rubber groove (21); the plurality of first reinforcing ribs (22) are evenly distributed in the circumferential direction around the axis of the buffer rubber block mounting seat (2).

3. The split wheel hub according to claim 1, characterized in that: The wheel hub comprises a rim (11), a spoke (12) and a connecting seat (13); one end of the connecting seat (13) along the axis direction of the connecting seat (13) is coaxially connected to a positioning ring (131); the buffer rubber block mounting seat (2) is coaxially provided with a positioning hole (23); the positioning ring (131) is embedded in the positioning hole (23); the outer wall of the positioning ring (131) is in contact with the hole wall of the positioning hole (23); the rim (11) is located outside the connecting seat (13); the axis of the rim (11) coincides with the axis of the connecting seat (13); one end of the spoke (12) is connected to the outer wall of the connecting seat (13); and the other end of the spoke (12) is connected to the inner wall of the rim (11).

4. The split wheel hub according to claim 3, characterized in that: It also includes a fixing bolt (3); the bottom of the buffer rubber groove (21) is provided with a plurality of connection holes (24); the plurality of connection holes (24) are evenly distributed circumferentially around the axis of the buffer rubber block mounting seat (2); the connecting seat (13) is provided with fixing holes (132); the number of the fixing holes (132) is the same as the number of the connection holes (24) and corresponds one to one; and the fixing bolt (3) passes through the connection hole (24) and is threadedly connected to the fixing hole (132).

5. The split wheel hub according to claim 3, characterized in that: The wheel rim (11) is provided with a valve hole (111); the valve hole (111) is connected to the inner and outer sides of the wheel rim (11).

6. The split wheel hub according to claim 3, characterized in that: The wheel spoke (12) is provided with a through hole (121); the shape of the through hole (121) is the same as that of the wheel spoke (12).

7. The split wheel hub according to claim 6, characterized in that: A third reinforcing rib (122) is provided on the wall of the through hole (121); the third reinforcing rib (122) is annular; and the third reinforcing rib (122) extends along the circumference of the through hole (121).

8. The split wheel hub according to claim 3, characterized in that: It also includes a second reinforcing rib (123); the second reinforcing rib (123) is located at the side wall of the spoke (12); and the two ends of the second reinforcing rib (123) are respectively connected to the inner wall of the rim (11) and the outer wall of the connecting seat (13).

9. The split wheel hub according to claim 3, characterized in that: A recessed groove (1391) is provided on a side of the connecting seat (13) away from the positioning ring (131); the recessed groove (1391) is used for embedding a brake disc; a plurality of mounting holes (1392) are provided at the bottom of the recessed groove (1391); the mounting holes (1392) are used for threaded connection with bolts to achieve connection between the brake disc and the connecting seat (13).

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