Fixing part, disc brake disc mounting seat and disc brake hub

Abstract

According to the fixing piece, the disc brake disc mounting base and the disc brake hub, the fixing piece comprises the combination part combined with the base body and the fixing part fixed to the corresponding preset position of the rim, and therefore the base body made of materials different from that of the rim can be fixed to the rim through the fixing piece, and the disc brake hub made of composite materials is formed. Therefore, the limitation on the material of the seat body is relatively small, the material which is easier to process or has specific properties can be selected as the material of the seat body as required, and the combination problem of the seat body and the rim does not need to be considered, so that the disc brake disc mounting seat and the disc brake hub which are wider in application range can be formed.

Description

Technical Field

[0001] The utility model belongs to the technical field of wheel hub components, and specifically relates to a fixing piece, a disc brake disc mounting seat and a disc brake hub. Background Art

[0002] At present, two-wheeled vehicles (including electric vehicles, motorcycles, etc.) generally use disc brake hubs, disc brake discs and corresponding brakes. The disc brake disc is installed on the outside of one axial side of the disc brake hub. The brake is used to clamp the disc brake disc to generate friction, so that the disc brake disc drives the disc brake hub to slow down or stop rotating for braking. One type of disc brake disc is a full-disc disc brake disc with a diameter close to the diameter of the hub, also known as a reverse disc brake disc. In order to be able to install such a large-sized disc brake disc on the hub, the existing corresponding disc brake hub is usually provided with a screw seat on the rim, and the full-disc disc brake disc is fixed on the screw seat by a corresponding screw.

[0003] The most common wheel rims are iron wheel rims, and the screw-on seats are generally made of iron and welded on the iron wheel rims. Disc brake discs are also usually made of iron discs. Such disc brake hubs and disc brake discs are high in strength and low in cost, however, they also have some problems. The main problem is that the hardness of iron is very high, and the processing of iron screw-on seats is very difficult and inefficient. For example, when using machine tools to perform cutting and punching processing on them, the processing speed is very slow. A machine tool can only produce a few per day, resulting in low production efficiency of screw-on seats and disc brake hubs. In addition, the processing of screw-on seats is difficult to meet high precision requirements, and various processing quality problems are prone to occur. For example, when using a cutting tool to cut it, due to the high hardness, the cutting tool is prone to tool jumping and other phenomena, causing processing quality problems. And because the screw-on seat needs to be welded on the rim, considering the welding needs, it is difficult to simply replace it with other materials. Utility Model Content

[0004] The utility model is designed to solve the above problems and aims to provide a fixing member capable of reliably fixing a seat body made of a material different from that of the rim to the rim of the wheel hub. The utility model adopts the following technical solutions:

[0005] The utility model provides a fixing member, which is arranged in a seat body and together with the seat body constitutes a disc brake disc mounting seat located on the rim of a wheel hub, so as to be used for installing a disc brake disc. The fixing member has such technical features that it comprises: one or more combining parts, which are combined with the seat body; and one or more fixing parts, which are exposed from the seat body and fixed at corresponding predetermined positions on the rim.

[0006] The fixing piece provided by the utility model may also have such a technical feature, which further includes a hollow portion corresponding to the mounting hole on the seat body and used to accommodate a fastening rod matched with the mounting hole.

[0007] The fixing piece provided by the utility model may also have such technical features, wherein the fixing piece is integrally formed by a bent sheet material, the coupling portion is located in the middle of the entire fixing piece and is in an L-shape with a chamfer, there are two fixing portions, which are respectively formed at both ends of the coupling portion and are respectively located at the groove bottom and the wheel rim of the rim as the predetermined position, and the hollow portion is a hollow notch, which is located in the middle part of the coupling portion.

[0008] The fixing piece provided by the utility model may also have such a technical feature, wherein the combining portion has a combining hole and a plurality of combining notches, wherein one of the combining notches is located in the middle part of the combining portion and is connected with the hollow notch to form a through hole, and the remaining plurality of combining notches are distributed at both ends of the combining portion where the fixing portion is not provided.

[0009] The fixing part provided by the utility model may also have such a technical feature, wherein the fixing part is composed of a first sheet material and a second sheet material, the first sheet material and the second sheet material form an L shape, the first sheet material has a first combining portion and a first fixing portion serving as the combining portion and the fixing portion respectively, the second sheet material has a second combining portion and a second fixing portion serving as the combining portion and the fixing portion respectively, the first fixing portion is fixed to the wheel rim of the rim serving as the predetermined position, the hollow portion is provided on the first combining portion, and the second fixing portion is fixed to the groove bottom of the rim serving as the predetermined position.

[0010] The fixing piece provided by the utility model may also have such a technical feature, wherein the fixing piece is integrally formed by a bent sheet material, the coupling portion is located in the middle of the entire fixing piece and is in a U-shape, there are two fixing portions, which are respectively formed at both ends of the coupling portion and are respectively located at the bead seats of the rim as the predetermined positions, and the hollow portion is formed by the two fixing portions and the coupling portion.

[0011] The fixing piece provided by the utility model may also have such a technical feature, wherein the fixing piece is composed of a symmetrical first sheet and a second sheet, the first sheet and the second sheet form a U shape, the first sheet has a first combining portion and a first fixing portion serving as the combining portion and the fixing portion respectively, the second sheet has a second combining portion and a second fixing portion serving as the combining portion and the fixing portion respectively, the first fixing portion and the second fixing portion are respectively fixed to the bead seat of the rim serving as the predetermined position, and the hollow portion is formed by the two fixing portions and the two combining portions.

[0012] The fixing member provided by the present utility model may further have the following technical feature: the fixing member is integrally formed by a bent sheet, the fixing portion is located in the middle of the whole fixing member, and the cross-section along the radial direction of the rim is in a U shape and is located at the bead seat of the rim as the predetermined position. There are two engaging portions, which are respectively formed at both ends of the fixing portion. The fixing portion has an upward opening groove, and the hollow portion is formed through the opening groove and the two engaging portions.

[0013] The fixing member provided by the present utility model may further have the following technical feature: the fixing member is integrally formed by a bent sheet, the engaging portion is in an L shape, and the fixing portion is formed at one end of the engaging portion and is located at the bottom of the groove of the rim as the predetermined position.

[0014] The fixing member provided by the present utility model may further have the following technical feature: the engaging portion has one or more engaging holes and / or one or more engaging notches.

[0015] The present utility model provides a disc brake disc mounting seat, which is arranged on the rim of a wheel hub and is used for mounting a disc brake disc. The disc brake disc mounting seat has the following technical features: it includes a fixing member fixed at a predetermined position on the rim; and a seat body combined with the fixing member and used for supporting and positioning the disc brake disc, wherein the fixing member is the above-mentioned fixing member.

[0016] The present utility model provides a disc brake wheel hub, which has the following technical features: it includes a rim; and a plurality of disc brake disc mounting seats respectively arranged on the rim and distributed along the circumferential direction of the rim and used for mounting disc brake discs, wherein the disc brake disc mounting seat is the above-mentioned disc brake disc mounting seat.

[0017] The disc brake wheel hub provided by the present utility model may further have the following technical feature: the number of the disc brake disc mounting seats is 3 to 6 and they are evenly distributed along the circumferential direction of the rim.

[0018] The present utility model further provides a wheel hub (i.e., disc brake wheel hub) that can be installed with a disc brake, including a rim and spokes; the rim has a bottom of the groove, a bead seat and a rim; the spokes are arranged inside the rim and are used for supporting the rim; the wheel hub has the following technical features: several mounting seats are arranged on one side of the rim, and the mounting seats can install disc brake discs; several mounting seats are arranged along the circumferential direction of the rim of the rim; the mounting seat includes a connecting member (i.e., the above-mentioned fixing member) and a screwing seat (i.e., the above-mentioned seat body); the connecting member is welded on the rim; the screwing seat is coated on the connecting piece; the screwing seat and the connecting member are metal parts of different materials, the connecting member and the rim are metal parts of the same material, and the hardness of the screwing seat is less than that of the connecting member; a threaded hole is arranged on the screwing seat, and the threaded hole is used to cooperate with a bolt to fix the disc brake disc.

[0019] The wheel hub that can be installed with disc brakes provided by the utility model can also have such technical features, wherein, the connecting piece includes a transverse section and a vertical section, a transition section is provided between the transverse section and the vertical section, or the transverse section and the vertical section are directly connected; the outer end of the transverse section extends toward the rim; the lower end of the vertical section extends toward the outer side of the tire bead seat or the outer side of the groove bottom or the spoke.

[0020] The wheel hub that can be installed with disc brakes provided by the utility model can also have such technical features, wherein the outer end of the transverse section and / or the lower end of the vertical section are welded to the rim; wherein the outer end of the transverse section is welded to the rim; and the lower end of the vertical section is welded to the outer side of the bead seat or the outer side of the groove bottom or the surface of the spoke.

[0021] The wheel hub for mounting disc brakes provided by the utility model may also have such technical features, wherein the transverse section is provided with a filling groove which passes through from top to bottom; the threaded seat fills the filling groove, the threaded hole is vertically arranged and extends into the filling groove; the centerline direction of the threaded hole is the axial direction of the rim.

[0022] The wheel hub that can be installed with a disc brake provided by the utility model can also have such a technical feature, wherein the connecting piece is a metal sheet with a certain thickness, a filling groove is opened in the middle of the metal sheet; the middle of the metal sheet is bent to form type, and corresponds to the horizontal section and the vertical section; an empty cavity is provided between the middle part of the connecting piece and the rim, and the screw seat is filled into the empty cavity.

[0023] The wheel hub for mounting disc brakes provided by the utility model may also have such technical features, wherein an inclined transition section is provided between the transverse section and the vertical section; and the filling groove is distributed on the transverse section and / or the transition section.

[0024] The wheel hub for mounting disc brakes provided by the utility model may also have such technical features, wherein the threaded seat completely covers the middle part of the connecting piece; the outer end of the transverse section and / or the lower end of the vertical section expose the threaded seat.

[0025] The wheel hub that can be installed with disc brakes provided by the utility model can also have such technical features, wherein the connecting piece is a metal sheet with a certain thickness, and the two sides of the long side or the two sides of the wide side of the metal sheet are in contact with the surface of the rim; the two sides of the long side or the two sides of the wide side of the metal sheet are bent and extended directly upward or obliquely upward or toward the middle of the rim to form an insert portion, or a through groove is opened in the middle of the metal sheet, and one side edge of the through groove is bent and extended directly upward or obliquely upward or toward the middle of the rim to form an insert portion; the screw seat is covered on the insert portion.

[0026] The wheel hub that can be installed with disc brakes provided by the utility model can also have such technical features, wherein both sides or one side of the wide side of the metal sheet fits the tire bead seat or the outer side of the bottom groove, and both sides or one side of the wide side of the metal sheet are welded to the tire bead seat or the outer side of the bottom groove as a whole.

[0027] The wheel hub that can be installed with a disc brake provided by the utility model can also have such technical features, wherein the specific structure of the metal sheet is: the metal sheet includes a U-shaped main body, and the bending parts on both sides of the U-shaped main body are welded to the outer wall of the bead seat of the rim; or the specific structure of the metal sheet is: the metal sheet includes two vertical side walls and a horizontal side wall connecting the two vertical side walls, and a hollow groove is opened on the vertical side wall or the horizontal side wall; the two vertical side walls and one horizontal side wall surround a flat U-shaped body, and the opening of the U-shaped body faces the side wall of the rim; the screw seat covers A transverse side wall; two vertical side walls abut against the outer surface of the bead seat of the rim; the parts of the two vertical side walls abutting against the rim are exposed from the screw-on seat, and the ends of the two vertical side walls are welded to the outer wall of the bead seat of the rim; or, the specific structure of the metal sheet is: the metal sheet includes an L-shaped main body, which includes a short side portion arranged horizontally and a long side portion arranged vertically; the screw-on seat covers the long side portion, and a hollow groove or an arrow portion is provided on the long side portion; the outer end of the short side portion is exposed from the screw-on seat and abuts against the rim, and the outer end of the short side portion is welded to the outer surface of the rim.

[0028] Function and effect of utility model

[0029] According to the fixing part, disc brake disc mounting seat and disc brake hub of the utility model, the fixing part includes a coupling part combined with the seat body and a fixing part fixed at a corresponding predetermined position on the rim, so that the seat body of different material from the rim can be fixed on the rim by the fixing part to form a composite material disc brake hub. In this way, the restrictions on the seat body material are significantly reduced, and a material that is easier to process or has specific properties can be selected as the material of the seat body as needed, without worrying about the combination of the seat body and the rim, so that a disc brake disc mounting seat and a disc brake hub with a wider range of applications can be formed. For example, a material with a hardness less than the hardness of the rim and the hardness of the disc brake disc can be selected to manufacture the seat body, so that the seat body is easier to process, the processing efficiency and precision are higher, and the problem of abnormal noise between the seat body and the disc brake disc of the same hardness can be effectively solved, so that the vehicle user experience is better and the driving safety is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a three-dimensional diagram of the disc brake hub in the first embodiment of the utility model;

[0031] Figure 2 This is a structural exploded view of the disc brake hub in the first embodiment of the utility model;

[0032] Figure 3is a cross-sectional view of the disc brake hub in the first embodiment of the utility model;

[0033] Figure 4 It is a three-dimensional diagram of the disc brake disc mounting seat in the first embodiment of the utility model;

[0034] Figure 5 It is a three-dimensional diagram of the disc brake disc mounting seat at different angles in the first embodiment of the utility model;

[0035] Figure 6 It is a cross-sectional view of the disc brake mounting seat in the first embodiment of the utility model;

[0036] Figure 7 It is a three-dimensional diagram of the fixing member in the first embodiment of the utility model;

[0037] Figure 8 It is a side view of the fixing member in the first embodiment of the utility model;

[0038] Fig. 9 yes Figure 3 Enlarged view of the part inside the middle circle A;

[0039] Fig.10 It is a cross-sectional view of the disc brake mounting seat in the second embodiment of the utility model;

[0040] Fig.11 It is a three-dimensional diagram of the fixing member in the second embodiment of the utility model;

[0041] Fig.12 It is a side view of the fixing member in the second embodiment of the utility model;

[0042] Fig.13 It is a three-dimensional diagram of the fixing member and the rim in the third embodiment of the present utility model;

[0043] Fig.14 It is a three-dimensional diagram of the disc brake disc mounting seat and the wheel rim in the fourth embodiment of the utility model;

[0044] Fig.15 It is a three-dimensional diagram of the fixing member and the rim in the fourth embodiment of the utility model;

[0045] Fig.16 It is a three-dimensional diagram of the fixing member and the rim in the fifth embodiment of the utility model;

[0046] Fig.17 is a three-dimensional diagram of the fixing member and the rim in the sixth embodiment of the utility model;

[0047] Fig.18 It is a stereoscopic diagram of the fixing member and the rim in the seventh embodiment of the present utility model.

[0048] Reference numerals:

[0049] Disc brake hub 100; rim 10; groove bottom 11; bead seat 12; wheel rim 13; disc brake disc mounting seat 20; seat body 21; support positioning portion 211; positioning end face 2111; fixing member coupling portion 212; matching notch 2121; accommodating groove 2122; mounting hole 213; mounting opening 2131; through opening 2132; fixing member 22; coupling portion 221; first sheet portion 2211; second sheet portion 2212; connecting portion 2213; middle hole 2214; hollow portion 2214a; middle coupling notch 2214b; side coupling notch 2215; end coupling hole 2216; make way Notch 2217; fixing portion 222; rim fixing portion 222a; groove bottom fixing portion 222b; bead seat fixing portion 222c; first sheet member 223; first coupling portion 2231; first clearance notch 22311; first coupling notch 22312; first fixing portion 2232; second sheet member 224; middle coupling notch 22411; second coupling notch 22412; bent portion 225; spoke 30; spoke plate portion 31; spoke 32; rim welding portion 41; groove bottom welding portion 42; bead seat welding portion 43; disc brake disc 200; friction hole 201; fixing hole 202; fastening rod 300. DETAILED DESCRIPTION

[0050] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the fixing part, disc brake disc mounting seat and disc brake hub of the present invention are specifically described below in combination with embodiments and drawings.

[0051] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention 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 therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0052] <Example 1>

[0053] Figure 1 is a three-dimensional diagram of the disc brake hub in this embodiment, Figure 2 is a structural exploded view of the disc brake hub in this embodiment, Figure 3 It is a cross-sectional view of the disc brake hub in this embodiment.

[0054] like Figures 1 to 3As shown, this embodiment provides a disc brake hub 100 (a hub that can be installed with a disc brake), one side of which is installed with a disc brake disc 200. The structure of the disc brake hub 100 is designed based on the structure and installation requirements of the disc brake disc 200, so the structure of the disc brake disc 200 will be briefly described below.

[0055] The disc brake disc 200 is a full-disc disc brake disc, also called a reverse disc brake disc, and its outer diameter is close to the diameter of the disc brake hub 100. The disc brake disc 200 is generally in the shape of a circular ring plate, with a circular inner edge and a gear-shaped outer edge. The disc brake disc 200 is provided with a plurality of friction holes 201 and a plurality of fixing holes 202. The plurality of friction holes 201 are all circular through holes with a relatively small aperture, and are evenly distributed on the edge of the inner ring of the disc brake disc 200; the plurality of fixing holes 202 are countersunk holes, and are evenly distributed circumferentially on the edge of the outer ring of the disc brake disc 200. In this embodiment, there are a total of six fixing holes 202.

[0056] The structure of the disc brake hub 100 of this embodiment will be described in detail below in conjunction with the structure of the disc brake disc 200 described above.

[0057] The disc brake hub 100 includes a rim 10 , a plurality of disc brake rotor mounting seats 20 , and spokes 30 .

[0058] The rim 10 includes a groove bottom 11, a bead seat 12 and a wheel flange 13. Along the circumference of the rim 10, the cross-section of the groove bottom 11 is roughly in the shape of a trapezoidal groove, which is convenient for disassembling and installing the tire. Two bead seats 12 are respectively formed on both sides of the groove bottom 11, and a bend is formed between the bead seat 12 and the groove bottom 11. The bead seat 12 is used to support the tire in the radial direction. Two wheel flanges 13 are respectively formed on both sides of the two bead seats 12, and a bend is formed between the wheel flange 13 and the corresponding bead seat 12. The two wheel flanges 13 are respectively used to clamp on both sides of the tire rim to support the tire and maintain the axial direction of the tire. The specific structure of the rim 10 is the existing technology and is not described in detail.

[0059] A plurality of disc brake disc mounting seats 20 are respectively arranged on the rim 10, located on the same axial side of the rim 10 (i.e., one side of the rim 10), and evenly distributed along the circumference of the rim 13 of the rim 10, for mounting the disc brake disc 200. In this embodiment, corresponding to the number of fixing holes on the disc brake disc 200, there are also six disc brake disc mounting seats 20 in total.

[0060] Figure 4 is a three-dimensional diagram of the disc brake mounting seat in this embodiment, Figure 5 1 is a three-dimensional diagram of the disc brake mounting seat at different angles in this embodiment. Figure 6 It is a cross-sectional view of the disc brake mounting seat in this embodiment.

[0061] like Figures 4 to 6As shown, the disc brake mounting seat 20 includes a seat body 21 (screw seat) and a fixing member 22 (connecting member), a part of the fixing member 22 is combined in the seat body 21, that is, the seat body 21 is covered on the fixing member 22. The seat body 21 and the fixing member 22 are metal parts of different materials, and the fixing member 22 and the rim 10 are metal parts of the same material. The seat body 21 is covered on the fixing member 22, so that the two metals of different materials are tightly combined.

[0062] The seat body 21 is an integrally formed part, and is generally in the shape of a column with missing corners. Along its length direction, it can be divided into a support positioning portion 211 and a fixing member coupling portion 212. The seat body 21 also has a mounting hole 213 for fixing the disc brake disc 200.

[0063] The support and positioning portion 211 is generally in the shape of a rectangular block, and the outer contour of the cross section along the length direction of the seat body 21 is a rectangular shape with rounded corners. The outer end of the support and positioning portion 211 has a positioning end surface 2111 for supporting and positioning the edge of the disc brake disc 200. The positioning end surface 2111 is a plane that is perpendicular to the length direction of the seat body 21.

[0064] The fixing member coupling portion 212 is in the shape of a special-shaped block and extends from one end of the supporting and positioning portion 211. Along the thickness direction of the seat body 21, the cross-sectional shape of one side of the fixing member coupling portion 212 is consistent with the supporting and positioning portion 211, and the other side has a matching notch 2121 and a receiving groove 2122. The shape of the matching notch 2121 corresponds to the shape of the inner side of the flange 13 and the bead seat 12 of the rim 10. The receiving groove 2122 is a strip-shaped groove extending along the length direction of the seat body 21, and its notch is connected to the matching notch 2121.

[0065] The mounting hole 213 (threaded hole) is used to cooperate with the corresponding fastening rod to fix the edge of the disc brake disc 200 on the seat body 21. The mounting hole 213 is a threaded countersunk hole that penetrates along the length direction of the seat body 21, and the corresponding fastening rod 300 is a bolt with a cap, through which the disc brake disc 200 is tightened on the disc brake disc mounting seat 20. One end of the mounting hole 213 is a mounting opening 2131 located at the positioning end surface 2111, and the other end of the mounting hole 213 is a through opening 2132 located on one side of the extending direction of the receiving groove 2122 and connected to the receiving groove 2122. The groove width of the receiving groove 2122 is greater than the diameter of the tail of the threaded rod.

[0066] Figure 7 is a three-dimensional diagram of the fixing member in this embodiment, Figure 8 2 is a side view of the fixing member in this embodiment.

[0067] like Figure 7 and Figure 8As shown, the fixing member 22 is formed integrally from a bent sheet (metal sheet) of a certain thickness, and viewed from the side, it is in the shape of a chamfered L. The fixing member 22 includes a coupling portion 221 and two fixing portions 222 .

[0068] The coupling part 221 is used to couple with the seat body 21. The coupling part 221 is located in the middle of the entire fixing member 22. The coupling part 221 is roughly in the shape of a bent square frame. When viewed from the side, the coupling part 221 is also in the shape of a chamfered L. The coupling part 221 can be regarded as being composed of a first sheet-like part 2211 in a U shape (a transverse section in the bending direction), a second sheet-like part 2212 in a U shape (a vertical section in the bending direction), and two roughly T-shaped connecting parts 2213 (transition sections) connected before the two sheet-like parts, wherein the two ends of the connecting part 2213 are respectively connected to the corresponding ends (U-shaped ends) of the first sheet-like part 2211 and the second sheet-like part 2212, and the length direction of the connecting part 2213 is inclined relative to the surface direction of the first sheet-like part 2211 and the surface direction of the second sheet-like part 2212, and the surface direction of the first sheet-like part 2211 and the surface direction of the second sheet-like part 2212 are roughly perpendicular. In addition, the second sheet portion 2212 has a relatively small curvature as a whole, which is substantially consistent with the curvature of the inner side of the bead seat 12. Since the size of the fixing member 22 is relatively small relative to the overall size of the rim 10, the curvature is very small, and the second sheet portion 2212 can also be in a straight sheet shape.

[0069] The middle of the joint 221 has a large through-hole 2214, the shape of which corresponds to the overall shape of the joint 221, and the four corners of the middle hole 2214 are all rounded. The two sides of the bending direction of the joint 221 are respectively provided with a plurality of side joint notches 2215. In this embodiment, the side joint notches 2215 are rectangular notches with rounded corners, and there are four side joint notches 2215 in total. Two side joint notches 2215 are distributed on each side of the joint 221, and the notches on both sides are symmetrically distributed, and the opening direction of the side joint notches 2215 is perpendicular to the bending direction of the fixing member 22. The width of the side joint notch 2215 is greater than its depth, and the corners of the joint notch 2215 are all rounded. The rounded setting prevents the corresponding position inside the seat body 21 from forming a sharp angle shape that is easily damaged when subjected to force, thereby making the strength of the combination between the seat body 21 and the fixing member 22 higher.

[0070] The two fixing portions 222 are respectively formed at the two ends of the bending direction of the connecting portion 221 (i.e., the two ends of the L shape). The fixing portion 222 is in the shape of a rectangular sheet, extending from one end of the connecting portion 221, and the length direction of the fixing portion 222 is perpendicular to the bending direction of the connecting portion 221. The length of the fixing portion 222 is the same as the width of the one end of the connecting portion 221, and the surface direction of the fixing portion 222 is consistent with the surface direction of the one end of the connecting portion 221. In addition, the outer end of the fixing portion 222 is rounded.

[0071] One of the fixing portions 222 has a relatively narrow width, and the fixing portion 222 serves as the wheel rim fixing portion 222a; the other fixing portion 222 has a relatively wide width, and the fixing portion 222 serves as the groove bottom fixing portion 222b. In addition, the outer end of the wheel rim fixing portion 222a has a relatively small curvature, which is substantially consistent with the curvature of the circumference of the wheel rim 13. Similarly, the curvature is very small, and the outer end of the wheel rim fixing portion 222a can also be straight.

[0072] The hole portion of the middle hole 2214 near the wheel rim fixing portion 222a (which can be regarded as a hollowed-out gap) serves as a hollowed-out portion 2214a (a hollow and open filling slot), and the hole portion of the middle hole 2214 near the slot bottom fixing portion 222b serves as a middle combining gap 2214b. The dividing line between the hollowed-out portion 2214a and the middle combining gap 2214b is approximately located in the middle of the middle hole 2214 in the bending direction of the fixing member 22, that is, the filling slots are distributed on the transverse section and / or transition section.

[0073] In an alternative solution, the fixing member 22 may also be in an overall L-shape with rounded corners, that is, a curved sheet-like member.

[0074] In this embodiment, the fixing member 22 is a metal sheet that can be effectively welded to the rim 10 , and the seat body 21 can be made of other materials different from the metal sheet.

[0075] When arranged on the rim 10, a hollow cavity is formed between the middle of the fixing member 22 and the rim 10, and the seat body 21 is filled into the hollow cavity. The hollow cavity ensures that there is sufficient bonding space between the fixing member 22 and the seat body 21, thereby ensuring bonding strength.

[0076] like Figure 5As shown, the seat body 21 completely wraps the connecting portion 221 of the fixing member 22, and the seat body 21 has a portion integrally formed in the middle connecting notch 2214b and multiple side connecting notches 2215 of the connecting portion 221, so that the seat body 21 as a whole forms a relatively complex wrapping and snapping structure for the connecting portion 221, so that the connection between the seat body 21 and the connecting portion 221 is very firm. Multiple fixing portions 222 are located outside the seat body 21, wherein the rim fixing portion 222a is located outside the side of the fixing member connecting portion 212 of the seat body 21 close to the supporting and positioning portion 211, and is located on the side of the fixing member connecting portion 212 having the matching notch 2121, and the surface direction of the rim fixing portion 222a is perpendicular to the length direction of the seat body 21. The groove bottom fixing portion 222b is located outside the outer end of the fixing member connecting portion 212 of the seat body 21, and the surface direction of the groove bottom fixing portion 222b is perpendicular to the thickness direction of the seat body 21. The plurality of fixing portions 222 are used to be fixed to corresponding predetermined positions on the rim 10 . In this embodiment, the fixing portions 222 are used to be welded to the rim 10 .

[0077] In addition, in the length direction of the seat body 21, the mounting hole 213 passes through the hollow portion 2214a of the fixing member 22. That is, by providing the hollow portion 2214a, the structure of the fixing member 22 avoids the position (punching position) of the mounting hole 213 on the seat body 21, and the structure of the fixing member 22 forms a structure that surrounds the lower part of the mounting hole 213 on three sides.

[0078] Fig. 9 yes Figure 3 Enlarged view of the part within the middle circle A.

[0079] like Fig. 9 As shown, when set on the rim 10, the rim fixing portion 222a is used to be welded on the rim 13 of the rim 10 as the above-mentioned predetermined position, and the groove bottom fixing portion 222b is used to be welded on one side of the groove bottom 11 of the rim 10 as the above-mentioned predetermined position.

[0080] Specifically, the surface direction of the rim fixing portion 222a and a side surface facing the mating notch 2121 are in contact with the outer end portion of the rim 13 in the axial direction of the rim 10, and welding is performed between the outer end surface of the rim fixing portion 222a and the outer end portion of the rim 13 to form a strip-shaped rim welding portion 41 (welding point one).

[0081] The surface direction of the groove bottom fixing portion 222b is perpendicular to the radial direction of the rim 10, so the outer end face of the groove bottom fixing portion 222b is perpendicular to the axial direction of the rim 10, and the inner side surface of the groove bottom 11 is inclined relative to the outer end face of the groove bottom fixing portion 222b, so one side of the outer end face of the groove bottom fixing portion 222b is in contact with an inner side surface of the groove bottom 11, and a gap is formed between the other side of the outer end face of the groove bottom fixing portion 222b and the inner side surface of the groove bottom 11, and the outer end face of the groove bottom fixing portion 222b and the inner side surface of the groove bottom 11 are welded by using the gap to form a strip-shaped groove bottom welding portion 42 (welding point two).

[0082] That is, the disc brake hub 100 further includes a rim welding portion 41 and a groove bottom welding portion 42 .

[0083] The length direction of the seat body 21 is consistent with the axial direction of the rim 10, and the thickness direction of the seat body 21 is consistent with the radial direction of the rim 10. The positioning end face 2111 of the seat body 21 is perpendicular to the axial direction of the rim 10. In the axial direction of the rim 10, the support and positioning portion 211 of the seat body 21 is located outside the rim 10, so the positioning end face 2111 is also located outside the rim 10, so it can be used to install a disc brake disc 200 with an outer diameter close to the diameter of the rim 10. In the radial direction of the rim 10, the seat body 21 does not exceed the outermost end of the rim 10, so it will not affect the installation of the tire.

[0084] The spoke 30 is fixed to the inner ring of the rim 10 and is used to support the rim 10. The spoke 30 includes a spoke plate portion 31 in the middle and a plurality of spokes 32 extending outward from the spoke plate portion 31. The outer end of each spoke 32 is fixed to the inner side of the groove bottom 11 of the rim 10 to support the rim 10, thereby forming an integral hub. The specific structure of the spoke 30 is prior art and will not be described in detail.

[0085] As described above, in this embodiment, six disc brake disc mounting seats 20 are arranged on the rim 10 of the disc brake hub 100, and the positioning end faces 2111 of the six disc brake disc mounting seats 20 are substantially on the same plane, and the plane is perpendicular to the axial direction of the disc brake hub 100. Therefore, after the disc brake disc 200 is mounted on the six disc brake disc mounting seats 20 through the six fastening rods 300, the disc brake disc 200 is located outside one side of the disc brake hub 100 in the axial direction, and the surface direction of the disc brake disc 200 is also perpendicular to the axial direction of the disc brake hub 100. When the corresponding brake clamps the inner ring of the disc brake disc 200 to brake, the disc brake disc 200 is subjected to friction and applies a force opposite to its rotation direction to the rim 10 through the fastening rod 300 and the disc brake disc mounting seat 20. Since the surface direction of the disc brake disc 200 is also perpendicular to the axial direction of the disc brake hub 100, the direction of the corresponding stress on the fastening rod 300 can be kept basically perpendicular to the axial direction of the fastening rod 300.

[0086] Functions and Effects of Embodiment 1

[0087] According to the fixing member, disc brake disc mounting seat and disc brake hub provided in the present embodiment, the fixing member includes a coupling portion combined with the seat body and a fixing portion fixed at a corresponding predetermined position on the rim. Therefore, the seat body with a material different from that of the rim can be fixed on the rim by the fixing member to form a disc brake hub of a composite material. In this way, the restrictions on the seat body material are significantly reduced, and a material that is easier to process or has specific properties can be selected as the material of the seat body as needed without worrying about the combination of the seat body and the rim, thereby forming a disc brake disc mounting seat and a disc brake hub with a wider range of applications.

[0088] Furthermore, the fixing piece has a hollow portion, and the mounting hole on the seat body passes through the hollow portion on the fixing piece, so when punching the seat body, the fixing piece will not be touched at all, and the structural strength of the disc brake disc mounting seat will not be affected by the punching. In addition, when installing the fastening rod, the hollow portion can also accommodate the lower part of the fastening rod without hindering the installation of the fastening rod, so the axial length of the mounting hole can be set longer, and a longer fastening rod can also be used, thereby further improving the firmness of the disc brake disc installation.

[0089] Furthermore, the fixing piece also has a combination hole and a plurality of combination notches, so the base can form a more complex wrapping structure for the fixing piece, so that the combination strength between the two is higher and can withstand higher stress. In addition, the corners of the combination hole and the combination notch are rounded, which can avoid the formation of sharp and easily damaged corners inside the base, making the base more reliable.

[0090] Furthermore, the fixing piece is a single bent sheet-like piece, and its hollow portion and the combining hole are two parts of the same central hole, so that the fixing piece is easier to process and manufacture.

[0091] Furthermore, one end of the seat body has a matching notch corresponding to the inner side of the rim, so that the supporting positioning portion on the upper part of the seat body can be closer to the radial outer ring of the rim through the matching notch, so that multiple disc brake disc mounting seats can be used to install disc brake discs with larger outer diameters.

[0092] Furthermore, the seat body also has a receiving groove connected to the matching notch, and the mounting hole on the seat body is a through hole with one end connected to the receiving groove. Therefore, there is no need to strictly control the punching depth when punching the mounting hole, and the processing of the mounting hole is more convenient and more efficient.

[0093] Furthermore, the seat body has a flat positioning end surface, and the positioning end surfaces of multiple disc brake disc mounting seats in the disc brake hub are roughly located on the same plane perpendicular to the axial direction of the hub. Therefore, the disc brake disc can be installed on the outside of one side of the disc brake hub and play a good positioning role for the disc brake disc, which can further avoid the above-mentioned abnormal noise problem, and can make the stress direction on the fastening rod roughly remain perpendicular to the axial direction of the fastening rod during braking, and can also avoid the problem of loosening of the fastening rod due to changes in the force direction, so that the reliability of disc brake disc installation is higher.

[0094] <Example 2>

[0095] The present embodiment provides a fixing member, a disc brake disc mounting seat and a disc brake hub. In the present embodiment, the same symbols are given to the same components as those in the first embodiment and the corresponding descriptions are omitted.

[0096] Compared with the first embodiment, the difference is that the structure of the disc brake disc mounting seat in this embodiment is different.

[0097] Fig.10 It is a cross-sectional view of the disc brake mounting seat in this embodiment.

[0098] like Fig.10 As shown, in the disc brake hub 100 of this embodiment, the appearance of the plurality of disc brake disc mounting seats 20 is the same as that in the first embodiment, except that the fixing member 22 therein is a split fixing member.

[0099] Fig.11 is a three-dimensional diagram of the fixing member in this embodiment, Fig.12 2 is a side view of the fixing member in this embodiment.

[0100] like Fig.11 and Fig.12 As shown, the fixing member 22 of this embodiment includes a first sheet member 223 and a second sheet member 224 which are separated from each other by processing of a first sheet material and a second sheet material. The surface directions of the first sheet member 223 and the second sheet member 224 are substantially perpendicular to each other, and the first sheet member 223 and the first sheet member 224 are arranged to form an L shape.

[0101] The first sheet member 223 is in a U-shaped sheet shape and includes a first combining portion 2231 and a first fixing portion 2232 .

[0102] The first joint part 2231 is also in the shape of a U-shaped sheet, and has a first clearance notch 22311 and two first joint notches 22312. The first clearance notch 22311 is located at one end of the length direction of the first sheet 223 and in the middle of the width direction. It is relatively large in size, and its depth and width are slightly smaller than the length and width of the first joint part 2231, respectively. Its opening direction is consistent with the length direction of the first sheet 223. The two first joint notches 22312 are relatively small in size and are symmetrically arranged on both sides of the width direction of the first joint part 2231. Their opening direction is consistent with the width direction of the first sheet 223. The corners of the first clearance notch 22311 and the first joint notch 22312 are both rounded. The two ends of the first joint part 2231 are roughly in the shape of a rectangular sheet with rounded corners.

[0103] The first coupling portion 2231 is wrapped inside the fixing member coupling portion 212 of the base body 21 and is located near the support positioning portion 211, and the surface direction of the first coupling portion 2231 is perpendicular to the length direction of the base body 21. The mounting hole 213 on the base body 21 passes through the first clearance notch 22311 on the first coupling portion 2231, and the depth of the first clearance notch 22311 is greater than the aperture of the mounting hole 213.

[0104] The first fixing portion 2232 extends from one end of the U-shaped bottom of the first combining portion 2231, and the length direction of the first fixing portion 2232 is consistent with the U-shaped opening direction of the first combining portion 2231, and the length of the first fixing portion 2232 is the same as the width of the one end of the first combining portion 2231. The first fixing portion 2232 is used as a wheel rim fixing portion 222a, and its structure is the same as that of the wheel rim fixing portion 222a in the first embodiment.

[0105] The second sheet member 224 is also in a U-shaped sheet shape, and includes a second combining portion 2241 and a second fixing portion 2242 .

[0106] The second combining portion 2241 is also in the shape of a U-shaped sheet, and has a middle combining notch 22411 and two second combining notches 22412. The middle combining notch 22411 is used as the hollowing portion described in the first embodiment. The middle combining notch 22411 is located at one end in the length direction and the middle in the width direction of the second sheet 224. It is relatively large in size, and its depth and width are slightly smaller than the length and width of the second combining portion 2241, respectively. Its opening direction is consistent with the length direction of the second sheet 224. The two second combining notches 22412 are relatively small in size and are symmetrically arranged on both sides in the width direction of the second combining portion 2241. Their opening direction is consistent with the width direction of the second sheet 224. The corners of the middle combining notch 22411 and the second combining notch 22412 are both rounded. The two ends of the second combining portion 2241 are roughly in the shape of a rectangular sheet with rounded corners.

[0107] The second coupling portion 2241 is wrapped inside the fixing member coupling portion 212 of the base body 21 and is located beside the matching notch 2121 . The surface direction of the second coupling portion 2241 is perpendicular to the thickness direction of the base body 21 .

[0108] The second fixing portion 2242 extends from one end of the U-shaped bottom of the second combining portion 2241, and the length direction of the second fixing portion 2242 is consistent with the U-shaped opening direction of the second combining portion 2241, and the length of the second fixing portion 2242 is the same as the width of the one end of the second combining portion 2241. The second fixing portion 2242 is used as a groove bottom fixing portion 222b, and its structure is the same as that of the groove bottom fixing portion 222b in the first embodiment, that is, its width is greater than the width of the first fixing portion 2232.

[0109] That is, the overall structures of the first sheet member 223 and the second sheet member 224 are very similar, but the functions of the first clearance notch 22311 and the middle joining notch 22411 thereon are different. In addition, the structures of the first sheet member 223 and the second sheet member 224 are also very similar to the structures of the two ends of the fixing member 22 in the bending direction in the first embodiment.

[0110] In addition, the second sheet-like member 224 has a relatively small curvature as a whole, which is substantially consistent with the curvature of the inner side of the bead seat 12. Similarly, the second sheet-like member 224 may not have the curvature and may be in the form of a straight sheet.

[0111] like Fig.11 As shown, the mounting hole 213 passes through the first clearance notch 22311 on the first sheet 223 of the fixing member 22, and the first sheet 223 forms a three-sided surrounding structure for the lower part of the mounting hole 213. The second sheet 224 is located at the side of the mounting hole 213 and does not contact or interfere with the mounting hole 213.

[0112] In this embodiment, other structures are the same as those in the first embodiment, and thus will not be described again.

[0113] Functions and Effects of Embodiment 2

[0114] According to the fixing part, disc brake disc mounting seat and disc brake hub provided in this embodiment, on the basis of the functions and effects of the first embodiment, since the fixing part which is in an L-shape as a whole is composed of two separated sheet members, there is no need to bend the fixing part as a whole, but only needs to process the two sheets into two relatively straight sheet members respectively, which makes the processing more convenient and quick.

[0115] Furthermore, the overall shapes of the first sheet-like member and the second sheet-like member are very similar, and the first relief notch and the middle coupling notch with substantially the same shape thereon are used to achieve different functions. Through such a clever design, while meeting the functional requirements, the processing difficulty can be further reduced and the production efficiency can be improved.

[0116] Moreover, since the first sheet-like member and the second sheet-like member are two independent components, the distance between them can be adjusted as needed, so that the fixing member can be used in conjunction with rim wheels and / or seat bodies of different sizes. That is, the same fixing member can be used when manufacturing disc brake hubs of various different models. Therefore, the applicable range of the fixing member is wider, the operation is more convenient during production changeover, and the production efficiency is higher.

[0117] <Example Three>

[0118] This embodiment provides a fixing member, a disc brake disc mounting seat, and a disc brake hub. In this embodiment, the same reference numerals are given to the same constituent elements as in Embodiment 1, and the corresponding descriptions are omitted.

[0119] Compared with Embodiment 1, the difference is that the structure of the fixing member in this embodiment is different. The structure of the metal sheet is as follows: The metal sheet includes two vertical side walls and a horizontal side wall connecting the two vertical side walls. A hollowed-out groove is provided on the vertical side wall or the horizontal side wall. The two vertical side walls and one horizontal side wall enclose a horizontally placed U-shaped body, and the opening of the U-shaped body faces the side wall of the rim; the screwed seat covers the horizontal side wall; the two vertical side walls abut against the outer surface of the bead seat of the rim; the parts of the two vertical side walls abutting against the rim are exposed from the screwed seat, and the ends of the two vertical side walls are welded to the outer side wall of the bead seat of the rim to form a welding joint four.

[0120] Fig.13 It is a three-dimensional view of the fixing member and the rim in this embodiment.

[0121] As Fig.13 shown, the fixing member 22 (connecting member) in this embodiment is integrally formed by a bent sheet material (metal sheet), which has an axisymmetric structure. Its cross-section along the axial direction of the rim 10 is in a U shape, and the opening of the U shape faces the bead seat 12 of the rim 10. The fixing member 22 includes a coupling portion 221 and two fixing portions 222.

[0122] The coupling portion 221 is located in the middle of the bending direction of the entire fixing member 22. It is in the shape of a bent sheet, and its cross-section along the axial direction of the rim 10 is also in a U shape. Moreover, the width of the middle part in the bending direction of the coupling portion 221 is smaller than that of the two ends. The middle part of the coupling portion 221 is in a flat sheet shape (horizontal side wall) and has a middle hole 2214 in the shape of a rectangle, which is used as a coupling hole. Both ends of the coupling portion 221 respectively have end coupling holes 2216 in the shape of a rectangle.

[0123] The two fixing portions 222 extend from both ends of the bending direction of the coupling portion 221, and the fixing portions 222 are rectangular sheets. The surface direction of the fixing portions 222 coincides with the surface direction of the end portion corresponding to the coupling portion 221, and the length of the fixing portions 222 is the same as the width of the end portion corresponding to the coupling portion 221. Both fixing portions 222 are used as bead seat fixing portions 222c. The straight ends of the fixing portions 222 and the coupling portion 221 on the corresponding sides form vertical side walls.

[0124] The outer end faces of the two bead seat fixing portions 222c are in contact with the inner side of the bead seat 12 of the rim 10, respectively, and the outer side surface of the outer end portion of each bead seat fixing portion 222c (i.e., the side surface opposite to the other bead seat fixing portion 222c) is welded to the inner side surface of the bead seat 12 to form two strip-shaped bead seat welding portions 43 (welding portion four). That is, compared with the first embodiment, the disc brake hub 100 of this embodiment does not have the rim welding portion 41 and the groove bottom welding portion 42, but has two bead seat welding portions 43.

[0125] The surface direction of the middle portion of the coupling portion 221 is perpendicular to the radial direction of the rim 10 , so that the thickness direction of the seat body 21 is consistent with the radial direction of the rim 10 .

[0126] The hollow portion is surrounded by the combination portion 221 and the two fixing portions 222. The lower portion of the mounting hole 213 on the base 21 is located in the space surrounded by the combination portion 221 and the two fixing portions 222, and the lower portion of the fastening rod 300 can also penetrate into the space.

[0127] In addition, the fixing portion 222 of the present embodiment is in the shape of a rectangular sheet, but other shapes may be used, such as an L-shape, in which the sheet portion of the outer end portion of the fixing portion 222 contacts the inner side surface of the bead seat 12; or a T-shape, in which the bottom of the T-shape is integrated with the coupling portion 221, and the outer end surface of the top of the T-shape contacts the inner side surface of the bead seat 12. Similarly, welding between the outer end portion of the L-shaped or T-shaped fixing portion 222 and the inner side surface of the bead seat 12 can also achieve the same effect.

[0128] In this embodiment, other structures are the same as those in the first embodiment, and thus will not be described again.

[0129] Functions and Effects of Embodiment 3

[0130] According to the fixing member, disc brake disc mounting seat, and disc brake wheel hub provided in this embodiment, on the basis of the functions and effects of Embodiment 1, due to the adoption of the above fixing member structure and welding between the two symmetric sides of the fixing member and the inner side of the bead seat of the rim, only two straight welds are required for each disc brake disc mounting seat, the welding operation is more convenient, and the two bead seat welding parts formed by welding are located at the inner circle of the rim, and are less likely to be worn compared to the welding parts formed on the wheel rim, etc., and the reliability is higher.

[0131] <Embodiment Four>

[0132] This embodiment provides a fixing member, a disc brake disc mounting seat, and a disc brake wheel hub. In this embodiment, the same reference numerals are given to the same components as in Embodiment 1, and the corresponding descriptions are omitted.

[0133] Compared with Embodiment 1, the difference lies in that the structure of the fixing member in this embodiment is different. The fixing member (connecting member) in this embodiment is a metal sheet with a certain thickness, and the two sides of the long side or the two sides of the wide side of the metal sheet are attached to the surface of the rim; the two sides of the wide side of the metal sheet are attached to the surface of the rim and welded to form Welding Point Three.

[0134] Fig.14 is a three-dimensional view of the disc brake disc mounting seat and the rim in this embodiment, Fig.15 is a three-dimensional view of the fixing member and the rim in this embodiment.

[0135] As Fig.14 and 15 shown, specifically, the fixing member 22 in this embodiment is integrally formed by a bent sheet, has an axisymmetric structure, is generally in a U shape as a whole, and the opening of the U shape faces the center of the rim 10. The fixing member 22 includes two joint parts 221 and a fixing part 222.

[0136] The fixing part 222 is located in the middle of the whole fixing member 22 in the bending direction. The fixing part 222 is a bent sheet, and its cross-section along the axial direction of the rim 10 is in a U shape. One side of the middle part of the fixing part 222 has a relief notch 2217 (relief groove) for serving as the above-mentioned hollow part. The relief notch 2217 is a rectangular notch with rounded corners, the opening direction of which is perpendicular to the bending direction of the fixing member 22, its depth is about 1 / 2 of the width of the middle part of the fixing part 222, and its width is greater than the aperture of the mounting hole 213 of the seat body 21. In addition, the middle part of the fixing part 222 can be a flat sheet, or have a curvature consistent with the inner side of the bead seat 12.

[0137] Along the bending direction of the fixing part 222, a bending part 225 is formed between the middle part of the fixing part 222 and its two end parts. The bending part 225 is bent approximately 90 degrees, and the outer surface of the bending part 225 includes two planes and a quarter cylindrical surface connecting between the two planes.

[0138] The two coupling parts 221 (insertion parts) extend from the two ends of the fixing part 222 in the bending direction, respectively. The coupling part 221 is in the shape of a rectangular sheet, and its surface direction is consistent with the surface direction of the end of the corresponding fixing part 222. The length direction of the coupling part 221 is the width direction of the end of the corresponding fixing part 222, and the length of the coupling part 221 is substantially the same as the width of the end of the fixing part 222. The coupling part 221 has a middle hole 2214 (hollow groove) used as a coupling hole. The middle hole 2214 is a square through hole with rounded corners. In addition, the corners of the outer end of the coupling part 221 are also rounded.

[0139] The two coupling parts 221 are parallel to each other, and the surface direction of the coupling parts 221 is perpendicular to the width direction of the base body 21. The lower part of the mounting hole 213 on the base body 21 is located in the clearance notch 2217 and the space beside the clearance notch 2217 (i.e., the space surrounded by the two coupling parts 221 and the fixing part 222). The lower end of the fastening rod 300 is also accommodated in the clearance notch 2217 and the above space.

[0140] The fixing portion 222 of the fixing member 22 contacts the inner side of the bead seat 12 of the rim 10, and a straight line welding is performed between the quarter cylindrical surface of the two bent portions 225 (i.e., the two sides of the long side of the connecting member) and the inner side surface of the bead seat 12 to form two bead seat welding portions 43 (welding point three). That is, the disc brake hub 100 of this embodiment also only includes two bead seat welding portions 43.

[0141] In addition, the fixing member 22 in this embodiment can also be transformed into a split structure similar to that of the second embodiment, that is, the fixing member 22 of this embodiment can be divided into two sheet-like members roughly along its symmetry axis, which can also achieve effects similar to those of the fixing member 22 of this embodiment and the fixing member 22 of the second embodiment.

[0142] In this embodiment, other structures are the same as those in the first embodiment, and thus will not be described again.

[0143] Functions and Effects of Embodiment 4

[0144] According to the fixing part, disc brake disc mounting seat and disc brake hub provided in this embodiment, on the basis of the functions and effects of the first embodiment, since the above-mentioned fixing part structure is adopted and welding is performed between the two symmetrical sides of the fixing part and the inner side of the bead seat of the rim, only two straight line weldings are required for each disc brake disc mounting seat, and the welding operation is more convenient. Moreover, the two bead seat welding parts formed by welding are located at the inner ring of the rim, which are less susceptible to wear than the welding parts formed on the wheel rim, and have higher reliability.

[0145] <Example 5>

[0146] The present embodiment provides a fixing member, a disc brake disc mounting seat and a disc brake hub. In the present embodiment, the same symbols are given to the same components as those in the first embodiment and the corresponding descriptions are omitted.

[0147] Compared with the first embodiment, the difference lies in that the structure of the fixing member of this embodiment is different. Fig.16 It is a three-dimensional diagram of the fixing member and the rim in this embodiment.

[0148] like Fig.16 As shown, the fixing member 22 of this embodiment is formed integrally by a bent sheet, and a part of the shape thereof is substantially the same as the fixing member 22 of the fourth embodiment; another part of the shape thereof is substantially the same as the shape of a part of the fixing member 22 of the first embodiment, which includes the rim fixing portion 222a and is approximately half of the whole. The fixing member 22 also has a central hole 2214 substantially the same as that of the first embodiment in the middle.

[0149] The disc brake hub 100 of this embodiment includes the same rim welding portion 41 as that in the first embodiment and the same two bead seat welding portions 43 as those in the fourth embodiment.

[0150] In this embodiment, other structures are the same as those in the first embodiment, and thus will not be described again.

[0151] Functions and Effects of Embodiment 5

[0152] According to the fixing part, disc brake disc mounting seat and disc brake hub provided in this embodiment, on the basis of the functions and effects of the fourth embodiment, since it further has a rim fixing part, the fixing part can be welded to the bead seat and the rim of the rim at the same time to form three welding parts, so that the bonding strength between the disc brake disc mounting seat and the rim is higher, and the disc brake hub can be used in vehicles with higher strength requirements, such as large-displacement motorcycles.

[0153] <Example 6>

[0154] The present embodiment provides a fixing member, a disc brake disc mounting seat and a disc brake hub. In the present embodiment, the same symbols are given to the same components as those in the first embodiment and the corresponding descriptions are omitted.

[0155] Compared with the first embodiment, the difference is that the structure of the fixing member of this embodiment is different. The structure of the metal sheet is as follows: the metal sheet includes an L-shaped main body, which includes a short side portion arranged horizontally and a long side portion arranged vertically, the screw connection seat covers the long side portion, and a hollow groove is arranged on the long side portion; the outer end of the short side portion is exposed from the screw connection seat and abuts against the rim, and the outer end of the short side portion is welded to the outer surface of the rim to form a welding point five.

[0156] Fig.17 It is a stereoscopic view of the fixing member and the rim in this embodiment.

[0157] like Fig.17 As shown, specifically, the fixing member 22 of this embodiment is L-shaped as a whole. The fixing member 22 also includes a coupling portion 221 and a fixing portion 222 .

[0158] The coupling part 221 is in the shape of a square frame, and has a rounded square middle hole 2214 (hollow groove) corresponding to its outer contour shape, and the middle hole 2214 is used as the above-mentioned coupling hole. The coupling part 221 is wrapped in the fixing part coupling part 212 of the seat body 21, and the surface direction of the coupling part 221 is perpendicular to the thickness direction of the seat body 21.

[0159] The fixing portion 222 is L-shaped, extending from one end of the width direction of the connecting portion 221 first along the width direction of the connecting portion 221, and then extending in a direction perpendicular to the surface direction of the connecting portion 221, thereby forming an L-shape. The overall length of the fixing portion 222 is substantially the same as the length of the connecting portion 221. The outer end of the fixing portion 222 may have an arc substantially consistent with one side of the groove bottom 11. The portion of the connecting portion 221 and the fixing portion 222 extending along the width direction thereof is also the long side portion, and the portion of the fixing portion 222 extending along the direction perpendicular to the surface direction of the connecting portion 221 is also the short side portion.

[0160] The outer side surface of the outer end portion (i.e., the outer end of the short side portion) of the fixing portion 222 of the fixing member 22 contacts one side of the groove bottom 11, and welding is performed between the outer side surface and one side of the groove bottom 11 to form a groove bottom welding portion 42. The disc brake hub 100 of this embodiment only includes the groove bottom welding portion 42 (welding point five).

[0161] In addition, the distance between the coupling portion 221 and the inner side of the bead seat 12 is greater than the aperture of the mounting hole 213 of the seat body 21, and the lower part of the mounting hole 213 is located in the space between the coupling portion 221 and the bead seat 12, and the lower end of the fastening rod 300 can also be accommodated in the space.

[0162] In this embodiment, other structures are the same as those in the first embodiment, and thus will not be described again.

[0163] Functions and Effects of Embodiment 6

[0164] According to the fixing part, disc brake disc mounting seat and disc brake hub provided in this embodiment, based on the functions and effects of the first embodiment, since the structure of the fixing part is relatively simple, it is easy to process and manufacture, and since welding is only performed between one end of the fixing part and the bottom of the groove, the welding operation is also more convenient and faster, which is suitable for more efficient production of disc brake hubs when the bonding strength requirements are relatively low.

[0165] <Example 7>

[0166] The present embodiment provides a fixing member, a disc brake disc mounting seat and a disc brake hub. In the present embodiment, the same symbols are given to the same components as those in the first embodiment and the corresponding descriptions are omitted.

[0167] Compared with the first embodiment, the difference lies in that the structure of the fixing member of this embodiment is different. The structure of the metal sheet is as follows: the metal sheet includes an L-shaped main body, which includes a short side portion arranged horizontally and a long side portion arranged vertically; the screw connection seat covers the long side portion, and an arrow portion is arranged on the long side portion; the outer end of the short side portion is exposed from the screw connection seat and abuts against the rim, and the outer end of the short side portion is welded to the outer surface of the rim to form a welding point 6.

[0168] Fig.18 It is a stereoscopic view of the fixing member and the rim in this embodiment.

[0169] like Fig.18 As shown, specifically, the fixing member 22 of this embodiment is L-shaped as a whole. The fixing member 22 also includes a coupling portion 221 and a fixing portion 222 .

[0170] The connecting portion 221 (arrow portion) is in the shape of an arrow-shaped sheet and has an axisymmetric structure. Through the arrow shape, the connecting portion 221 can also form a relatively firm connection with the seat body 21.

[0171] The fixing portion 222 extends from the arrow tail of the connecting portion 221, and the shape of the fixing portion 222 is substantially the same as that in the sixth embodiment. That is, a part of the connecting portion 221 and the fixing portion 222 is the long side portion, and another part of the fixing portion 222 is the short side portion.

[0172] The disc brake hub 100 of this embodiment also only includes a groove bottom welding portion 42 (welding portion six), and the groove bottom welding portion 42 is substantially the same as that in the sixth embodiment.

[0173] In addition, the distance between the coupling portion 221 and the inner side of the bead seat 12 is greater than the aperture of the mounting hole 213 of the seat body 21, and the lower part of the mounting hole 213 is located in the space between the coupling portion 221 and the bead seat 12, and the lower end of the fastening rod 300 can also be accommodated in the space.

[0174] In this embodiment, other structures are the same as those in the first embodiment, and thus will not be described again.

[0175] Functions and Effects of Embodiment 7

[0176] According to the fixing part, disc brake disc mounting seat and disc brake hub provided in this embodiment, based on the functions and effects of the first embodiment, since the structure of the fixing part is relatively simple, it is easy to process and manufacture, and since welding is only performed between one end of the fixing part and the bottom of the groove, the welding operation is also more convenient and faster, which is suitable for more efficient production of disc brake hubs when the bonding strength requirements are relatively low.

[0177] The above embodiments are only used to illustrate the specific implementation of the utility model, and the utility model is not limited to the description scope of the above embodiments. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

[0178] For example, in the above embodiment, the combining hole on the combining portion of the fixing member is a square hole, and the combining notch is a square notch. In an alternative solution, the combining hole may be a round hole or a polygonal hole with rounded corners, and the combining notch may be a semicircular notch.

Claims

1. A fixing member, arranged in a seat body, and forming a disc brake disc mounting seat located on the rim of a wheel hub with the seat body, so as to be used for mounting a disc brake disc, characterized in that: Comprising: One or more joints, combined with the seat body; And One or more fixing parts, exposed from the seat body and fixed at corresponding predetermined positions on the rim.

2. The fixing member according to claim 1, characterized in that: It further comprises: A hollowed-out part, corresponding to the mounting hole on the seat body, for accommodating a fastening rod that mates with the mounting hole.

3. The fixing part according to claim 2, wherein: in, The fixing part is integrally formed from a bent or curved sheet; The joint is located in the middle of the entire fixing part, in an L shape with chamfers or rounded corners; There are two fixing parts, respectively formed at both ends of the joint and respectively located at the bottom of the groove and the rim of the rim as the predetermined positions; The hollowed-out part is a hollowed-out notch, located in the middle part of the joint.

4. The fixing part according to claim 3, wherein: in, The joint has a plurality of joint notches; One of the joint notches is located in the middle part of the joint and communicates with the hollowed-out notch to form a through hole; The remaining plurality of joint notches are distributed at both ends of the joint without the fixing part.

5. The fixing part according to claim 2, wherein: in, The fixing part is composed of a first sheet and a second sheet, and the first sheet and the second sheet form an L shape; The first sheet has a first joint and a first fixing part respectively serving as the joint and the fixing part; The second sheet has a second joint and a second fixing part respectively serving as the joint and the fixing part; The first fixing part is fixed to the rim of the rim as the predetermined position, and the hollowed-out part is provided on the first joint; The second fixing part is fixed to the bottom of the groove of the rim as the predetermined position.

6. The fixing part according to claim 2, wherein: in, The fixing part is integrally formed from a bent sheet; The joint is located in the middle of the entire fixing part, in a U shape; There are two fixing parts, respectively formed at both ends of the joint and respectively located at the bead seat of the rim as the predetermined position; The hollowed-out part is formed through the two fixing parts and the joint.

7. The fixing part according to claim 2, wherein: in, The fixing part is composed of a symmetric first sheet and a second sheet, and the first sheet and the second sheet form a U shape; The first sheet has a first joint and a first fixing part respectively serving as the joint and the fixing part; The second sheet has a second joint and a second fixing part respectively serving as the joint and the fixing part; The first fixing part and the second fixing part are respectively fixed to the bead seat of the rim as the predetermined position; The hollowed-out part is formed through the first fixing part, the second fixing part, the first joint and the second joint.

8. The fixing part according to claim 2, wherein: in, The fixing part is integrally formed from a bent or curved sheet; The fixing part is located in the middle of the entire fixing part, and the cross-section along the radial direction of the rim is in a U shape and is located at the bead seat of the rim as the predetermined position. There are two coupling parts, which are formed at two ends of the fixing part respectively. The fixing portion has an upward opening slot, The hollow portion is formed by the opening groove and the two combining portions.

9. The fixing member according to claim 1, characterized in that: in, The fixing member is formed integrally from a bent sheet material. The joint is L-shaped. The fixing portion is formed at one end of the coupling portion and is located at a groove bottom of the rim as the predetermined position.

10. The fixing member according to any one of claims 5 to 9, characterized in that: in, The combining portion has one or more combining holes and / or one or more combining notches.

11. A disc brake disc mounting seat, arranged on the rim of a wheel hub, for mounting a disc brake disc, characterized in that: include: A fixing member fixed at a predetermined position on the rim; as well as The seat body is combined with the fixing member and is used to install the disc brake disc. Wherein, the fixing part is the fixing part described in any one of claims 1-10.

12. A disc brake hub, arranged in a vehicle, characterized in that: include: A wheel rim having a groove bottom, a bead seat and a wheel flange; as well as A plurality of disc brake disc mounting seats are respectively arranged on the rim and distributed along the circumference of the rim, and are used to mount the disc brake discs. Wherein, the disc brake disc mounting seat is the disc brake disc mounting seat described in claim 11.

13. The disc brake hub according to claim 12, characterized in that: in, The number of the disc brake mounting seats is 3 to 6 and they are evenly distributed along the circumference of the rim.

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