CN208615631U

CN208615631U - A kind of novel hub

Info

Publication number: CN208615631U
Application number: CN201820881109.4U
Authority: CN
Inventors: 丁金花
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-06-08
Filing date: 2018-06-08
Publication date: 2019-03-19
Anticipated expiration: 2028-06-08

Abstract

The utility model belongs to the field of hub of electric vehicle, motorcycle, and in particular to a kind of novel hub.Including wheel rim and the spoke being arranged on the inside of wheel rim, the center of spoke is provided with the through hole passed through for wheel shaft, and the wheel rim is steel ring, and spoke is integrally formed using cast aluminium or moulding compound or engineering plastics；The spoke includes several disc, and disc is embedded with the reinforced sheet or stiffener that at least one is made of hard material；Connector is embedded on the disc in advance.The wheel rim of the utility model is steel ring, spoke is integrally formed using cast aluminium or moulding compound or engineering plastics, connector is mounted in spoke by the application in advance before moulding of spoke, reach the design being connected as one with spoke, it avoids different materials and is difficult to the problem of connecting, and in order to avoid leading to the problem of fragmentation in actual use by spoke obtained by the above method, the utility model is provided with reinforced sheet or stiffener inside disc, greatly strengthens the strength and stability of disc.

Description

A kind of novel hub

Technical field

The utility model belongs to the field of hub of electric vehicle, motorcycle, and in particular to a kind of novel hub.

Background technique

The wheel hub of existing electric vehicle, motorcycle and new energy vehicle (three-wheel or four-wheel car that are driven by electricity) is equipped with aluminium wheel Or iron tyre.Aluminium wheel uses casting integrated molding, higher cost.Iron tyre processing needs to form by wheel rim, disc punching press, intermediate sleeve Cylinder processing, disc brake hub also need disk brake to forge, and drum brake wheel hub also needs brake rim molding and integral solder, cleaning etc. cumbersome Technique, cost is lower relative to aluminium wheel, but aesthetics is poor.

In the case where market competition is more and more fierce, most wheel hub manufacturing enterprise gets a profit meagre, aluminium on iron tyre The project of wheel needs huge fund again and competition is same fierce；Therefore, applicant develops a kind of production cost and iron tyre is close, Degree handsome in appearance can be more beautiful than aluminium wheel, and the new wheel hub that structure is more stable.

Summary of the invention

The purpose of the utility model is to provide it is a kind of design it is more reasonable, stable structure and can market apply novel wheel Hub.

Purpose of the utility model is realized as follows:

A kind of novel hub, including wheel rim and the spoke being arranged on the inside of wheel rim, the center of spoke is provided with wears for wheel shaft The through hole crossed, the wheel rim are steel ring, and spoke is integrally formed using cast aluminium or moulding compound or engineering plastics；The spoke includes Several disc, disc are embedded with the reinforced sheet or stiffener that at least one is made of hard material；It is embedding in advance on the disc Equipped with connector.

It being further arranged to, the reinforced sheet or stiffener are steel plate or steel bar, and the moulding compound is SMC or PBT, or BMC or PBT/PET mixture；The wheel rim is iron ring.

It being further arranged to, the connector is steel piece, and connector includes the preburying part being inlaid in the disc, The outer end of preburying part stretches out disc and forms bending part to side bending, and the inner wall of bending part is fitted on disc end face, bending The outer wall in portion is fitted on wheel rim inner wall, and the outer wall and wheel rim inner wall of bending part weld.

It is further arranged to, the connector is steel piece, offers mounting groove on the disc, connector passes through spiral shell It tethers and connects or be welded in the mounting groove.

It is further arranged to, is provided with certain distance between the disc end and wheel rim inner wall of the connector side Preset clearance；Disc end positioned at the connector other side extends close to wheel rim inner wall.

It is further arranged to, clamps or be adhesive with decoration in the preset clearance.

It is further arranged to, several inserts is provided in the middle part of the disc, inserts surrounds the through hole circumferentially； The inserts periphery has been evenly arranged several gear teeth, and the embedding groove being axially arranged is formed between the two neighboring gear teeth；The inserts The middle part of outside is circumferentially provided with fluting.

It is further arranged to, the center of the spoke is provided with axle mounting portion, and the center of axle mounting portion is provided with peace The through hole of entrucking axis, the both ends of through hole are provided with bearing fixed seat；The left side of the axle mounting portion and spoke In conjunction with forming disc brake mounting base on the right side of axle mounting portion.

It being further arranged to, the center of the spoke is provided with brake rim, axle mounting portion is formed in the middle part of brake rim, Quoit is also equipped on brake rim inner wall；The center of axle mounting portion forms the through hole, and through hole both ends are respectively provided with There is bearing fixed seat.

It is further arranged to, the surface forming of the connector has more than one through-hole or more than one inner fovea part.

Compared with the prior art, the utility model has prominent and beneficial technical effects that:

The wheel rim of the utility model is steel ring, and spoke is integrally formed using cast aluminium or moulding compound or engineering plastics, and the two is Entirely different material, normal means can not weld；It can not be used together in traditional wheel hub manufacture idea, the application Be independently arranged a connector, connector be iron piece can with hub welding, while by connector before moulding of spoke Pre- in spoke (fusing point of iron is much higher than aluminium, the fusing point of moulding compound and engineering plastics) reaches and is connected as one with spoke Design, avoids different materials and is difficult to the problem of connecting；And in order to avoid being actually used by spoke obtained by the above method Fragmentation is led to the problem of in journey, the utility model is provided with reinforced sheet or stiffener inside disc, greatly strengthens disc Strength and stability.

In addition, being welded in wheel rim compared to by connector, wheel rim and connector entirety are being integrally formed with spoke, this Application is placed in wheel rim first by connector in conjunction with spoke, then by spoke, welds two components, the present processes are more convenient for making It makes, it is easy to implement.

The welding gun for the welding equipment that the design of preset clearance is can easily protrude into the preset clearance and by connector and Spoke is welded as a whole.

The design of decoration enables this product also to can satisfy part to the higher product of aesthetic.

When wheel rim is welded using steel plate, spoke and axle mounting portion are all made of moulding compound or engineering plastics one-pass molding, at This lower and design matches in excellence or beauty aluminium wheel, and than previous product, more texture is clearly demarcated, and handsome in appearance, design space is bigger, intensity substitution Previous iron tyre；The middle section of wheel hub uses the one-time formed mode of moulding compound, alleviates material cost in product cost, saves About resource is needed compared to traditional iron tyre by disc punching press, intermediate sleeve processing, disk brake forging and integral solder, cleaning etc. Cumbersome technique, cost advantage is obvious, need to only be pressed and molded and settle at one go, fundamentally improve the manufacturing process of wheel hub, newly Mode, new concept；Reaching iron tyre from product appearance or aluminium casts the exquisite moulding not made, product strength greatly promotes, Filled up between electric vehicle hub industry iron tyre and aluminium wheel, should low cost beautiful moulding again blank.

Detailed description of the invention

Fig. 1 is the spoke part cross-sectional view of the utility model.

Fig. 2 is the spoke perspective view of the utility model.

Fig. 3 is the structure diagram of embodiment 1.

Fig. 4 is the cross-sectional view of embodiment 1.

Fig. 5 is the first embodiment structure schematic diagram of the bearing fixed seat of embodiment 1.

Fig. 6 is second of embodiment structure schematic diagram of the bearing fixed seat of embodiment 1.

Fig. 7 is the structure diagram of embodiment 2.

Fig. 8 is the cross-sectional view of embodiment 2.

Fig. 9 is the structure diagram of the quoit of embodiment 2.

Figure 10 is the connector of embodiment 3 and the positional structure schematic diagram of wheel rim, spoke.

Specific embodiment

The utility model is further described combined with specific embodiments below, referring to Fig. 1-Figure 10:

A kind of novel hub, including wheel rim and the spoke being arranged on the inside of wheel rim, the center of spoke is provided with wears for wheel shaft The through hole crossed, the wheel rim are steel ring, and spoke is integrally formed using cast aluminium or moulding compound or engineering plastics；As shown in Figure 1, institute Stating spoke 50 includes several disc 500, and disc 500 is embedded with the reinforced sheet or stiffener that at least one is made of hard material 510, the reinforced sheet or stiffener are steel plate or steel bar, preferably steel bar；Connector 520 is embedded on the disc in advance.

As a kind of connection type of the utility model connector, the connector is steel piece, and connector includes embedding Preburying part in the disc, the outer end of preburying part stretch out disc and form bending part to side bending, bending part it is interior Wall is fitted on disc end face, and the outer wall of bending part is fitted on wheel rim inner wall, and the outer wall and wheel rim inner wall of bending part weld.

As another connection type of the utility model connector, the connector is steel piece, on the disc Mounting groove is offered, connector is bolted or is welded in the mounting groove.

Based on above structure, the utility model is applicable to a variety of wheel hubs, and the following are wherein three kinds of embodiments:

Embodiment 1: disc brake hub

Including wheel rim 200 and the spoke 210 being arranged on the inside of wheel rim 200, the center of spoke 210 is provided with axle mounting portion 220, the wheel rim 200 is steel ring (in wheel hub industry, the address of steel ring and iron ring is general mutually), and the spoke 110 wraps Include several disc, disc be embedded with the reinforced sheet that at least one is made of hard material or stiffener (in the present embodiment, spoke 210 include three disc, is embedded with two reinforcing ribs 215 in each disc)；Connector is embedded on the disc in advance 250, spoke 210 is integrally formed using cast aluminium or moulding compound or engineering plastics and is coated the inner end of the connector 250；It is described Fitting 250 is steel piece, and connector 250 includes the preburying part being inlaid in spoke 210, and spoke is stretched out in the outer end of preburying part 210 and bending part is formed to side bending, the inner wall of bending part is fitted in spoke end face, and the outer wall of bending part is fitted in wheel rim On inner wall, the outer wall and 200 inner wall of wheel rim of bending part are welded；

Certain distance is provided between 200 inner wall of 210 end of spoke and wheel rim on the outside of 250 bending part of connector Preset clearance 211, which convenient can be protruded into welding equipment and weld connection part and wheel rim are advisable, 5mm or so away from From can more conveniently weld.

210 end of spoke on the inside of 250 bending part of connector extends close to 200 inner wall of wheel rim, this, which is approached, is Refer to the minimum range in the case where technique allows, enables spoke to be completely covered by connector and be bonded wheel rim inner wall, it is more beautiful It sees.

Decoration is clamped or is adhesive in the preset clearance；

The surface forming of the connector 250 has more than one through-hole or more than one inner fovea part, the spoke 210 Cladding connector 250 is simultaneously combined as a whole, can be with connection through-hole two sides, it is ensured that connector during spoke 210 is pressed and molded 250 with the bonding tightness and fastness of spoke 210.

The center of the axle mounting portion 220 is provided with the through hole 221 of installation axle 270, the both ends of through hole 221 It is provided with bearing fixed seat 230；The left side of the axle mounting portion 220 is combined with spoke 210, the right side of axle mounting portion 220 Side forms disc brake mounting base 240.

The disc brake mounting base 240 is: the right end of axle mounting portion 220 is embedded, and there are three above screw-jointing seat 222, spiral shells Circumferentially around the through hole 221,222 center of screw-jointing seat is provided with internal thread hole 2221 to joint chair 222.Screw-jointing seat 222 It is to be embedded in advance during axle mounting portion 220 is pressed and molded, it is easy for installation.

The middle part of the disc brake mounting base 240 is provided with positioning convex platform 241, and positioning convex platform 241 is arranged in screw-jointing seat 222 In the contour region surrounded.

The bearing fixed seat 230 is the insertion being inlaid in axle mounting portion, the center of bearing fixed seat 230 It is provided with bearing mounting hole 231；Bearing fixed seat 230 is that the design of insertion can be divided into two kinds again: (1) axle mounting portion 220 The bearing fixed seat 230 at left and right both ends is two independent individuals, when the bearing fixed seat 230 at left and right both ends is two independences Individual when, the material of one end metal tube at middle part can be saved, save material to reduce production cost, but mold knot Structure is increasingly complex；(2) bearing fixed seat 230 at the left and right both ends of axle mounting portion 220, which extends towards, is combined into a complete set Tin, being provided in the middle part of sleeve prevents axially displaced annular groove, and axle mounting portion 220 is directly joined integrally with sleeve, eliminates The welding sequence of traditional handicraft can also reduce production cost.Two kinds of design methods of bearing fixed seat are required to lathe auxiliary Processing, by lathe in the central reaming processing of bearing fixed seat 230, refine goes out bearing mounting hole, can pacify in bearing mounting hole Fill bearing.Bearing mounting hole needs are arranged concentrically with wheel rim outer ring, so that it is guaranteed that tire will not beat.In the present embodiment, axle The bearing fixed seat at the left and right both ends of mounting portion is two independent individuals.

220 side wall of axle mounting portion between two neighboring screw-jointing seat 222 is recessed inwardly to form inner fovea part 260, inner fovea part 260 enter the region of the positioning convex platform 241；The side wall of inner fovea part 260 from the right end of axle mounting portion 220 to left end gradually Extend outward.

The circumference of the bearing fixed seat 230 and/or screw-jointing seat 222 is provided with reinforcement and is tightly combined with axle mounting portion The groove or protrusion of degree.Groove or protrusion design so that the combination of bearing mounting base and axle mounting portion more closely.

The groove be arranged in 222 surface of bearing fixed seat 230 or screw-jointing seat several axially grooved 232, or, The groove is the slot that circumnutates that bearing fixed seat or the seating face that is spirally connected is arranged in.It should be noted, ride in electric vehicle or motorcycle During, wheel rim is subject to the main component of road shocks power and complete vehicle weight, and when emergency stop, axle mounting portion is practical to be born Test is distortion power, can generate the distortion power mutually deflected between axle mounting portion and bearing mounting base, axially grooved or circumnutate The design of slot has further dispersed the distortion power between axle mounting portion and bearing mounting base, increases axle mounting portion and bearing Forced area and bond area between mounting base, improve the whole service life.The moulding compound is SMC or PBT or BMC, Or PBT/PET mixture.

Embodiment 2: drum brake wheel hub

Including wheel rim 300 and the spoke 310 being arranged on the inside of wheel rim 300, the center of spoke 310 is provided with brake rim 320, The wheel rim 300 is steel ring (in wheel hub industry, the address of steel ring and iron ring is general mutually), if the spoke 110 includes A dry disc, disc be embedded with the reinforced sheet that at least one is made of hard material or stiffener (in the present embodiment, spoke 310 Including three disc, two reinforcing ribs 315 are embedded in each disc)；Connector 360 is embedded on the disc in advance, Spoke 310 is integrally formed using cast aluminium or moulding compound or engineering plastics and is coated the inner end of the connector 360；The connector 360 be steel piece, and connector 360 includes the preburying part being inlaid in spoke 310, and spoke 310 is stretched out simultaneously in the outer end of preburying part Bending part is formed to side bending, the inner wall of bending part is fitted in spoke end face, and the outer wall of bending part is fitted in wheel rim inner wall On, the outer wall and 300 inner wall of wheel rim of bending part weld；

Certain distance is provided between 300 inner wall of 310 end of spoke and wheel rim on the outside of 360 bending part of connector Preset clearance 311, which convenient can be protruded into welding equipment and weld connection part and wheel rim are advisable, 5mm or so away from From can more conveniently weld.

310 end of spoke on the inside of 360 bending part of connector extends close to 300 inner wall of wheel rim, this, which is approached, is Refer to the minimum range in the case where technique allows, enables spoke to be completely covered by connector and be bonded wheel rim inner wall, it is more beautiful It sees.

Decoration is clamped or is adhesive in the preset clearance.

The surface forming of the connector 360 has more than one through-hole or more than one inner fovea part, the spoke 310 Cladding connector 360 is simultaneously combined as a whole, can be with connection through-hole two sides, it is ensured that connector during spoke 310 is pressed and molded 360 with the bonding tightness and fastness of spoke 310.

The middle part of the brake rim 320 forms axle mounting portion 330, is also equipped with quoit on 320 inner wall of brake rim 340；The center of axle mounting portion 330 forms through hole 331, and 331 both ends of through hole are provided with bearing fixed seat 350.

The quoit 340 is iron ring, and iron ring peripheral distribution has several to reinforce and the brake rim bonding tightness Raised line 341.

The bearing fixed seat 350 is the insertion being inlaid in axle mounting portion, the center setting of bearing fixed seat There is bearing mounting hole 351；Wherein, bearing fixed seat 350 is that the design of insertion can be divided into two kinds again: (1) axle mounting portion The bearing fixed seat 350 at 330 left and right both ends is two independent individuals, when the bearing fixed seat 350 at left and right both ends is two When independent individual, the material of one end metal tube at middle part can be saved, saves material to reduce production cost, but mould Lamps structure is increasingly complex；(2) bearing fixed seat 350 at the left and right both ends of axle mounting portion 330, which extends towards, is combined into one completely Sleeve, being provided in the middle part of sleeve prevents axially displaced annular groove, and axle mounting portion 330 is directly joined integrally with sleeve, goes In addition to the welding sequence of traditional handicraft, production cost can also be reduced.

Two kinds of design methods of bearing fixed seat 350 are required to lathe secondary process, by lathe in bearing fixed seat 350 Central reaming processing, refine go out bearing mounting hole 351, can install bearing in bearing mounting hole 351.Bearing mounting hole 351 needs It to be arranged concentrically with 300 outer ring of wheel rim, so that it is guaranteed that tire will not beat.In the present embodiment, axle mounting portion 330 left and right two The bearing fixed seat at end is two independent individuals.

The circumference of the bearing fixed seat is provided with the groove or protrusion of reinforcement Yu axle mounting portion bonding tightness.It is recessed Slot or protrusion design so that the combination of bearing mounting base and axle mounting portion more closely.

The groove be arranged in bearing fixed seat surface several are axially grooved, or, the groove is arranged in axis Hold the slot that circumnutates (identical as the bearing fixed seat structure of disc brake hub above) of fixed seating face.The groove is that setting exists Several of bearing fixed seat or the seating face that is spirally connected are axially grooved, or, the groove is arranged in bearing fixed seat or screw-jointing seat The slot that circumnutates on surface.It should be noted, during electric vehicle or motorcycle are ridden, wheel rim is subject to road shocks power and vehicle The main component of weight, when emergency stop, the practical test born of axle mounting portion is distortion power, axle mounting portion and bearing mounting base Between can generate the distortion power mutually deflected, axially grooved or the slot that circumnutates design has further dispersed axle mounting portion and bearing Distortion power between mounting base increases forced area and bond area between axle mounting portion and bearing mounting base, improves Whole service life.

The moulding compound is SMC or PBT or BMC or PBT/PET mixture.

Embodiment 3: the wheel hub for new energy vehicle

The wheel hub includes wheel rim 100 and the spoke 110 that is arranged on the inside of wheel rim, and the center of spoke is provided with to be passed through for wheel shaft Through hole, the wheel rim be steel ring (in wheel hub industry, the address of steel ring and iron ring be mutually it is general), the spoke includes Several disc, disc are embedded with the reinforced sheet or stiffener that at least one is made of hard material；It is embedding in advance on the disc Equipped with connector, spoke is integrally formed using cast aluminium or moulding compound or engineering plastics and is coated the inner end of the connector；It is described Connector is steel piece, and connector includes the preburying part 142 being inlaid in spoke, and spoke is stretched out simultaneously in the outer end of preburying part 142 Bending part 143 is formed to side bending, the inner wall of bending part 143 is fitted on 110 end face of spoke, the outer wall patch of bending part 143 It closes on 100 inner wall of wheel rim, the outer wall and 100 inner wall of wheel rim of bending part 143 weld；

The pre- of certain distance is provided between the spoke end and wheel rim inner wall in 140 bending part of connector, 143 outside Gap is stayed, (label d) convenient can be protruded into the distance in Figure 10 with welding equipment and weld connection part and wheel rim are advisable, and 5mm is left Right distance can be welded more conveniently.

110 end of spoke on the inside of 140 bending part of connector extends close to 100 inner wall of wheel rim, this, which is approached, is Refer to the minimum range in the case where technique allows, enables spoke to be completely covered by connector and be bonded wheel rim inner wall, it is more beautiful It sees.

The surface forming of the connector 140 has more than one through-hole 141 or more than one inner fovea part, the spoke 110 cladding connectors 140 are simultaneously combined as a whole, can be with 141 two sides of connection through-hole during spoke 110 is pressed and molded, it is ensured that The bonding tightness and fastness of connector 140 and spoke 110.

Decoration 150 is clamped or is adhesive in the preset clearance.

Several inserts are provided on the spoke 110, inserts surrounds the through hole circumferentially.

The moulding compound is SMC or PBT or BMC or PBT/PET mixture.

For above-mentioned three kinds of wheel hubs, the moulding compound be SMC (i.e. sheet molding compound, primary raw material by SMC special yarn, no Saturated resin, low shrinkage additive, filler and various auxiliary agents composition) or PBT (i.e. polybutylene terephthalate (PBT) is to benzene The condensation polymer of dioctyl phthalate and 1,4-butanediol) or BMC (i.e. tubular molding compound is a kind of semidry method manufacture glass fiber reinforcement heat The molding intermediate materials of solidity product, by unsaturated polyester resin, lower shrinkage/low-contour additive, initiator, inner pattern releasing agent applicable, Mineral filler etc. is pre-mixed into paste, adds thickener, colorant etc., the glass fibre with different length, dedicated It is stirred in material kettle, carries out thickening, ultimately form the intermediary material of bulk, can be used for being molded and being molded), or PBT/PET mixture；

The present embodiment selects SMC.

In wheel hub manufacturing process, wheel rim and off-gauge positive round, so spoke and connector are directly slightly to press with interference Enter in wheel rim, new energy wheel hub, disc brake hub and drum brake wheel hub are all the same, which allows spoke and connector right The circularity of wheel rim is modified；When spoke uses moulding compound, carrying out cooperation by bending part and wheel rim inner wall can be to avoid wheel Spoke direct collision wheel rim, further increases the final product quality of wheel hub.The hardness of moulding compound spoke is also eager to excel than common iron, but not With too big toughness.When by being more than the power of the upper limit, stress point can slightly crush the same rather than steel moulding compound spoke Deformation.Moreover, the utility model is provided with stiffener in spoke, stiffener is enhanced by being made of the metal or plastics of hard The stability of entire spoke, the case where avoiding it from generating in manufacture and use process crack or even crush.

Meanwhile under the overall situation that environmental requirement is increasingly stringenter, this wheel hub is using molding one-pass molding, the advantage of cost It is extremely obvious, and can effectively avoid the waste of resource.

It should be understood by those skilled in the art that the present utility model is not limited to the above embodiments, above-described embodiment and Only illustrate the principles of the present invention described in specification, on the premise of not departing from the spirit and scope of the utility model, The utility model also has various changes and improvements, these changes and improvements both fall within the scope of the claimed invention It is interior.The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. a kind of novel hub, including wheel rim and the spoke being arranged on the inside of wheel rim, the center of spoke is provided with to be passed through for wheel shaft Through hole, which is characterized in that the wheel rim is steel ring, and spoke is integrally formed using cast aluminium or moulding compound or engineering plastics；Institute Stating spoke includes several disc, and disc is embedded with the reinforced sheet or stiffener that at least one is made of hard material；The spoke Connector is embedded on plate in advance.

2. a kind of novel hub according to claim 1, which is characterized in that the reinforced sheet or stiffener are steel plate or steel Item, the moulding compound are SMC or PBT or BMC or PBT/PET mixture；The wheel rim is iron ring.

3. a kind of novel hub according to claim 1, which is characterized in that the connector is steel piece, connector Including the preburying part being inlaid in the disc, the outer end of preburying part stretches out disc and forms bending part, bending to side bending The inner wall in portion is fitted on disc end face, and the outer wall of bending part is fitted on wheel rim inner wall, in the outer wall and wheel rim of bending part Wall welding.

4. a kind of novel hub according to claim 1, which is characterized in that the connector is steel piece, the spoke Mounting groove is offered on plate, connector is bolted or is welded in the mounting groove.

5. a kind of novel hub according to claim 1-4, which is characterized in that positioned at the connector side The preset clearance of certain distance is provided between disc end and wheel rim inner wall；Disc end positioned at the connector other side extends Extremely close to wheel rim inner wall.

6. a kind of novel hub according to claim 5, which is characterized in that clamp or be adhesive with dress in the preset clearance Gadget.

7. a kind of novel hub according to claim 1, which is characterized in that it is embedding to be provided with several in the middle part of the disc Part, inserts surround the through hole circumferentially；The inserts periphery has been evenly arranged several gear teeth, between the two neighboring gear teeth Form the embedding groove being axially arranged；The middle part of the inserts outside is circumferentially provided with fluting.

8. a kind of novel hub according to claim 1, which is characterized in that the center of the spoke is provided with axle installation Portion, the center of axle mounting portion are provided with the through hole of installation axle, and the both ends of through hole are provided with bearing fixed seat； The left side of the axle mounting portion forms disc brake mounting base in conjunction with spoke on the right side of axle mounting portion.

9. a kind of novel hub according to claim 1, which is characterized in that the center of the spoke is provided with brake rim, Axle mounting portion is formed in the middle part of brake rim, is also equipped with quoit on brake rim inner wall；The center molding of axle mounting portion There is the through hole, through hole both ends are provided with bearing fixed seat.

10. a kind of novel hub according to claim 1, which is characterized in that the surface forming of the connector has one Above through-hole or more than one inner fovea part.