CN110356165B - Light amortization bradyseism wheel hub - Google Patents
Light amortization bradyseism wheel hub Download PDFInfo
- Publication number
- CN110356165B CN110356165B CN201910561935.XA CN201910561935A CN110356165B CN 110356165 B CN110356165 B CN 110356165B CN 201910561935 A CN201910561935 A CN 201910561935A CN 110356165 B CN110356165 B CN 110356165B
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- inner ring
- outer ring
- reed
- ring
- theft
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 78
- 238000010521 absorption reaction Methods 0.000 claims abstract description 63
- 230000035939 shock Effects 0.000 claims abstract description 50
- 230000030279 gene silencing Effects 0.000 claims abstract description 13
- 239000011148 porous material Substances 0.000 claims abstract description 5
- 238000013016 damping Methods 0.000 claims description 18
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 238000005187 foaming Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 230000000737 periodic effect Effects 0.000 description 8
- 239000011494 foam glass Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000001743 silencing effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000012814 acoustic material Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B7/00—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins
- B60B7/16—Anti-theft devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
- B60B9/02—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims
- B60B9/04—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims in leaf form
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a light silencing and cushioning wheel hub which comprises an outer ring, an inner ring and a cushioning reed, wherein the outer ring is annular, and the cushioning reed is arranged between the inner surface of the outer ring and the outer surface of the inner ring. The inner ring comprises an outer ring, an inner ring and a web plate, the outer ring and the inner ring are coaxially arranged, the web plate is arranged between the outer ring and the inner ring and is fixedly connected with the outer ring and the inner ring respectively, the center of the inner ring is provided with a wheel axle hole, the wheel axle hole coincides with the axis of the inner ring, one side end face of the inner ring, which deviates from the wheel axle hole, is provided with a plurality of fastening holes, and the length direction of the fastening holes is parallel to the axis of the wheel axle hole. The shock absorption reed is in an annular wavy shape, the maximum diameter position of the shock absorption reed is abutted against the inner surface of the outer ring, the minimum diameter position of the shock absorption reed is abutted against the outer surface of the outer ring, and the shock absorption reed is fixedly connected with the outer ring and the inner ring respectively; and a sound absorption layer is filled between the outer ring and the inner ring, and is made of porous materials. The hub is added with the wavy annular reed, so that the elastic performance is good, and the limiting piece rigidly supports the inner ring and the outer ring.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to a light silencing and cushioning wheel hub.
Background
Pneumatic tires for automobiles generate noise due to the periodic compression of the air inside during running, which is particularly loud after resonance with the tire's internal cavity, and the noise is transmitted to the vehicle body through the wheel hub and the wheel axle, which causes discomfort to the occupants.
When the automobile runs on a bumpy road, a lot of vibration can occur, and discomfort of people in the automobile can also be caused.
Wheel hub in the past only plays the connection fixed action, the shock attenuation of car is realized through the shock absorber system behind tire and the shaft, and the noise of tire does not add the consideration basically, or only carry out theoretical design on the inside cavity size of tire, avoid resonant frequency and set up one deck acoustic material etc. at the tire internal surface, these modes all are traditional modes, reform transform again on these modes, the effect promotion of the shock attenuation amortization that can obtain is not showing, so how further improve the shock attenuation amortization function of car is the problem that the automotive industry is comparatively concerned about.
Disclosure of Invention
The invention aims to provide a light silencing and cushioning wheel hub to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a light silencing and cushioning wheel hub comprises an outer ring, an inner ring and a cushioning reed, wherein the outer ring is annular, and the cushioning reed is arranged between the inner surface of the outer ring and the outer surface of the inner ring.
The invention is characterized in that a hub is arranged on an axle of an automobile, a tire is arranged outside the hub, the tire only slightly relieves vibration when the automobile runs, noise is generated by internal air compression caused by periodic rotation of the tire in the running process, the noise is particularly large after the noise resonates with an internal cavity of the tire, when the automobile passes through a plurality of periodic vibration bands, such as a speed reducing band and a plurality of uniform hollow zones, the gas generated in the tire is periodically compressed to generate wheel noise, the noise on the tire and the hub is transmitted to an automobile body through the axle, when the noise reduction measures or structures in the automobile are not in place, personnel in the automobile can obviously hear the running sound, the invention cuts off the noise transmission between the tire and the axle from the wheel hub, and meanwhile, a cushioning structure is continuously added on the basis of the original tire cushioning and wheel shaft cushioning system, the driving stability and the comfort of the vehicle are better. The annular outer ring is the mounted position of tire, and the surface suit of tire is in the outer cylindrical surface of the outer lane of this device, and the bradyseism reed that sets up between outer lane and the inner circle carries out the bradyseism effect, because the vibration reduces greatly, so the noise also can reduce greatly.
Further, the inner ring comprises an outer ring, an inner ring and a web, the outer ring and the inner ring are coaxially arranged, the web is arranged between the outer ring and the inner ring and fixedly connected with the outer ring and the inner ring respectively, the center of the inner ring is provided with a wheel axle hole, the wheel axle hole coincides with the axis of the inner ring, a plurality of fastening holes are formed in the end face, deviating from the wheel axle hole, of the inner ring, and the length direction of the fastening holes is parallel to the axis of the wheel axle hole. The inner ring is of a traditional hub basic structure, so that the structural strength of the hub can be guaranteed to be sufficient, the outer ring and the outer ring are connected through the shock absorption reed, the inner ring is used for mounting a wheel shaft, the inner ring and the wheel shaft are fixed together by using fasteners such as bolts and screws after the wheel shaft is inserted into a wheel shaft hole in the inner ring, the device mounting is achieved, the wheel shaft is a wheel mounting shaft of an automobile, a plurality of fastening holes are formed in the fastening holes to guarantee reliable connection, the directions of the openings are parallel to facilitate the mounting and dismounting of the wheel shaft and the inner ring from one direction, a web plate can be called as a rib plate and is a connecting piece of the inner ring and the outer ring, and when the performance of the connecting structure is sufficient, the web plate can be made to be thin to reduce the overall quality.
Furthermore, the shock absorption reed is in an annular wavy shape, the maximum diameter position of the shock absorption reed is abutted against the inner surface of the outer ring, the minimum diameter position of the shock absorption reed is abutted against the outer surface of the outer ring, and the shock absorption reed is fixedly connected with the outer ring and the inner ring respectively;
the light silencing and cushioning wheel hub further comprises a plurality of limiting parts, the limiting parts are arranged between the outer ring and the inner ring, each limiting part comprises an arc plate and a connecting column, the connecting columns are arranged along the radial direction of the inner ring, one end of each connecting column penetrates through a cushioning reed and then is fixed on the outer surface of the outer ring, the other end, facing the outer ring, of each connecting column is provided with the arc plate, the arc of the surface, facing the outer ring, of the arc plate is the same as the arc of the inner surface of the outer ring, and a gap is reserved between each arc plate and the inner surface of the outer ring in the unfolding state of the cushioning reed;
and a sound absorption layer is filled between the outer ring and the inner ring, and is made of porous materials.
The inner ring is embraced by the annular shock-absorbing reed in the circumferential direction, the outer ring is connected to one side of the wave shape of the shock-absorbing reed, the inner ring is connected to one side of the wave shape of the shock-absorbing reed, when external force is large, corresponding deformation is generated when a wheel is subjected to large vibration, the deformation is large, the external elasticity is large, more vibration loads can be offset, 6-10 wave numbers of the wave-shaped shock-absorbing reed are set according to the diameter of a wheel hub, the stress is not uniform enough when the wave-shaped shock-absorbing reed is too small, the radial inclination is too small when the wave-shaped shock-absorbing reed is too small, the component force of the elasticity is basically not available, the better shock-absorbing performance cannot be achieved, and the manufacturing is difficult.
The limiting part also plays a supporting role, when the wavy shock absorption reed deforms greatly, rigid support is provided between the inner ring and the outer ring, and the phenomenon that the shock absorption reed deforms too much to cause that the eccentricity of the wheel relative to the wheel shaft is too serious and the normal running function of the wheel is blocked is prevented.
The sound absorption layer between the outer ring and the inner ring can help to absorb noise, noise caused by periodic deformation of air inside the tire and noise generated by vibration of the tire in the driving process are transmitted to the wheel shaft through the wheel hub and then transmitted to the inside of the vehicle body through the wheel shaft, so that the damping and silencing effects of the damping reed can be generated, the noise can be further eliminated by filling the sound absorption layer between the inner ring and the outer ring, continuous micro-vibration transmission is also performed on the damping reed, the sound absorption layer surrounds the damping reed, part of micro-vibration on the damping reed is absorbed by the sound absorption layer, and the noise transmission area is less.
Furthermore, the shock absorption reed is welded and fixed with the outer ring and the inner ring, and the sound absorption layer is filled between the outer ring and the inner ring in a plastic filling or foaming mode.
The shock absorbing reed is welded and fixed reliably, the structure size is small, and the shock absorbing reed is very suitable for permanent rigid fixation.
The sound absorption layer can be made of foamed plastic or foam glass, the foamed plastic is light and convenient and is beneficial to reducing the weight of the device, the foam glass is organic glass, the foam glass has high strength and toughness within a use range, after the foam glass is used, the radial size of the inner ring can be smaller, even a web plate and an outer ring are omitted, and a shock absorption reed and a limiting part are directly connected between the inner ring and the outer ring.
The light silencing and cushioning wheel hub further comprises a lock hole column, the shape of the lock hole column is the same as that of the anti-theft lock hole, pin sheet grooves with the same number as the fastening holes are arranged in the inner ring along the radial direction, the pin sheet grooves are blind grooves, the opening end of the pin sheet grooves is connected with the anti-theft lock hole, and the axial position of the pin sheet grooves in the inner ring is located at the position of the thread section of a fastening piece in the fastening holes;
an anti-theft pin piece is arranged in the pin piece groove in a sliding mode, the anti-theft pin piece is in a groove shape, one side, close to the anti-theft lock hole, of the anti-theft pin piece is connected with a push rod, one side, far away from the anti-theft lock hole, of the anti-theft pin piece is provided with an elastic body which abuts against the groove bottom of the pin piece groove, a stop screw is used in the fastening hole, a stop groove is formed in the thread section of the stop screw, and the stop screw penetrates through a groove opening of the anti-theft pin piece;
when the elastic body is in a stretching state, the anti-theft pin sheet hooks the stop groove, and the head part of the push rod extends into the anti-theft lock hole; after the keyhole column is inserted into the anti-theft keyhole, the push rod retracts into the pin sheet groove, and the anti-theft pin sheet is separated from the stop groove.
The polygonal lock hole column is not easy to obtain from the outside, and no lock hole column is inserted into the anti-theft lock hole, so that the anti-theft pin can always hook the stop groove of the stop screw, the stop screw cannot be detached from the fastening hole, the hub and the wheel shaft always keep a fixed relation, and an anti-theft effect can be achieved or the wheel hub can be prevented from being unscrewed maliciously by other people; when the wheel is maintained, a vehicle owner only needs to insert the keyhole column into the anti-theft keyhole, so that the keyhole column pushes the push rod, the push rod then pushes the anti-theft pin sheet to slide for a certain distance in the pin sheet groove and disengage from the stop groove, at the moment, the anti-theft pin sheet does not influence the external dismounting stop screw, and the keyhole column is similar to a key in the process of dismounting the wheel hub and the wheel shaft. After the hub and the wheel shaft are disassembled and assembled, the vehicle owner pulls the keyhole column out and puts the keyhole column into the vehicle or places the keyhole column separately.
Furthermore, a plurality of plate holes are arranged on the web plate. The weight of web can be alleviateed to the diaphragm orifice, and under the certain circumstances of inside and outside limit diameter of web, compare in the structural setting of not seting up the diaphragm orifice, set up the diaphragm orifice and can reach the same structural strength with the metal material of less quality.
Furthermore, the center of the end face of one side of the inner ring, which is far away from the axle hole, is provided with a decorative hole, and an internal thread is arranged in the decorative hole. Small parts such as a car badge and the like can be arranged in the decorative holes, so that the attractiveness of the wheel is improved.
Further, under the stretching state of the cushioning reed, the gap between the arc plate and the inner surface of the outer ring is 3-5 mm. The clearance between the arc plate and the inner surface of the outer ring is the deformation degree of the shock absorption reed and the eccentricity degree between the tire and the wheel shaft, if the clearance is too small, the shock absorption performance of the shock absorption reed cannot be exerted or the wheel hub basically does not have shock absorption capability, if the clearance is too large, the eccentricity between the tire and the wheel shaft is too serious, some unpredictable results in the driving process can be caused, and therefore 3-5 is preferably taken for conservation.
Further, the outer ring, the inner ring and the web plate are aluminum alloy integral die-cast parts. The aluminum alloy integral die casting is compact in structure and guaranteed in strength, and when the theoretical design of the physical size is reasonable, stress concentration and the like cannot be caused by the installation, the connection and other factors, so that the hub is damaged.
Compared with the prior art, the invention has the beneficial effects that: the shock absorption reed is added between the tire and the wheel shaft connected with the wheel hub, so that the wheel hub has a shock absorption function, the wavy annular reed has good elastic performance and uniform load, and noise caused by vibration can be eliminated while shock absorption is realized; the sound absorption layer between the inner ring and the outer ring reduces the noise transmitted to the wheel axle from the tire again, so that the personnel in the vehicle can basically not feel the noise; when external vibration force is too large and the shock absorption reed deforms seriously, the limiting piece rigidly supports the inner ring and the outer ring, the eccentricity degree of the tire and the wheel shaft is controlled within a certain range, and adverse conditions such as scratching of the tire on a vehicle body and the like are avoided; the anti-theft and anti-dismantling design of the anti-theft lock hole, the lock hole column, the anti-theft pin piece and the stop screw ensures that the hub is only dismantled and assembled under the condition that a vehicle owner is on the spot, and the wheel is prevented from being stolen by other people or the hub is maliciously refitted.
Drawings
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is view A-A of FIG. 1;
FIG. 3 is view B of FIG. 2;
FIG. 4 is view C of FIG. 2;
FIG. 5 is a schematic diagram of the cushioning of the outer race, the cushioning spring, and the inner race of the present invention;
FIG. 6 is a view of the installation structure of the present invention;
FIG. 7 is a view of the anti-theft and anti-detachment structure of the stop screw when the keyhole post is not inserted;
FIG. 8 is a structural view of the stop screw of the present invention;
FIG. 9 is a front and side view of the keyhole post of the present invention;
fig. 10 is a structure view of the anti-theft and anti-detachment of the stop screw after the insertion of the keyhole column.
In the figure: 1-outer ring, 2-inner ring, 21-outer ring, 22-inner ring, 221-axle hole, 222-fastening hole, 223-decorative hole, 224-anti-theft lock hole, 225-pin sheet groove, 23-web plate, 231-plate hole, 3-shock absorbing reed, 4-sound absorbing layer, 5-limiting piece, 51-arc plate, 52-connecting column, 61-anti-theft pin sheet, 62-push rod, 63-elastic body, 8-lock hole column, 9-stop screw and 91-stop groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the light silencing and cushioning wheel hub comprises an outer ring 1, an inner ring 2 and a cushioning reed 3, wherein the outer ring 1 is annular, and the cushioning reed 3 is arranged between the inner surface of the outer ring 1 and the outer surface of the inner ring 2.
As shown in FIG. 6, the wheel hub is installed on the wheel axle of the automobile, the tire is installed outside the wheel hub, when the automobile runs, the tire only slightly relieves the vibration, and during the running process, the internal air compression caused by the periodic rotation of the tire may generate some noises, which are particularly large after the noises generate resonance with the internal cavity of the tire, when the automobile passes through many periodic vibration bands, such as deceleration bands and more uniform hollow zones, the air compression generated inside the tire can also cause the periodic compression of the air, wheel noises are generated, the noises on the tire and the wheel hub are transmitted to the automobile body through the wheel axle, when the silencing measures or structures in the automobile are not in place, the automobile can obviously hear the running sound, the invention starts from the wheel hub, cuts off the noise transmission between the tire and the wheel axle, and simultaneously, on the basis of the original tire damping and wheel axle damping systems, and a shock absorption structure is continuously added, so that the driving stability and the comfort of the vehicle are better. The annular outer ring 1 is the installation position of the tire, the surface of the tire is sleeved on the outer ring 1 outer cylindrical surface of the device, and the shock absorption reed 3 arranged between the outer ring 1 and the inner ring 2 has the shock absorption effect, so that the noise can be greatly reduced due to the fact that the vibration is greatly reduced.
As shown in fig. 4, the inner ring 2 includes an outer ring 21, an inner ring 22 and a web 23, the outer ring 21 and the inner ring 22 are coaxially arranged, the web 23 is arranged between the outer ring 21 and the inner ring 22, the web 23 is respectively fixedly connected with the outer ring 21 and the inner ring 22, an axle hole 221 is arranged in the center of the inner ring 22, the axle hole 221 is overlapped with the axis of the inner ring 22, a plurality of fastening holes 222 are arranged on the end surface of one side of the inner ring 22, which is far away from the axle hole 221, and the length direction of the fastening holes 222 is parallel to the axis of the axle hole 221. The inner ring 2 is of a conventional hub basic structure, so that the structural strength of the invention can be ensured to be enough, the outer ring 21 and the outer ring 1 are connected through the shock absorption reed 3, the inner ring 22 is used for mounting a wheel shaft, after the wheel shaft is inserted into a wheel shaft hole 221 in the inner ring 22, the inner ring 22 and the wheel shaft are fixed together by using fasteners such as bolts and screws, and the device mounting is realized, the wheel shaft is a wheel mounting shaft of an automobile, a plurality of fastening holes 222 are formed to ensure reliable connection, the directions of the openings are parallel, so that the wheel shaft and the inner ring 22 can be conveniently mounted and dismounted from one direction by the outside, the web plate 23 can also be called as a rib plate which is a connecting piece of the inner ring 22 and the outer ring 21, and when the performance of the connecting structure is enough, the web plate 23 can be made thinner to reduce the whole quality.
The shock absorption reed 3 is in an annular wavy shape, the maximum diameter position of the shock absorption reed 3 abuts against the inner surface of the outer ring 1, the minimum diameter position of the shock absorption reed 3 abuts against the outer surface of the outer ring 21, and the shock absorption reed 3 is fixedly connected with the outer ring 1 and the inner ring 2 respectively;
the light silencing and cushioning wheel hub further comprises a plurality of limiting parts 5, the limiting parts 5 are arranged between the outer ring 1 and the inner ring 2, each limiting part 5 comprises an arc plate 51 and a connecting column 52, the connecting column 52 is arranged along the radial direction of the inner ring 2, one end of the connecting column 52 penetrates through the cushioning reed 3 and then is fixed on the outer surface of the outer ring 21, the other end, facing the outer ring 1, of the connecting column 52 is provided with the arc plate 51, the arc of the surface, facing the outer ring 1, of the arc plate 51 is the same as the arc of the inner surface of the outer ring 1, and a gap is reserved between the arc plate 51 and the inner surface of the outer ring 1 in the stretching state of the cushioning reed 3;
as shown in fig. 1 and 3, a sound absorbing layer 4 is filled between the outer ring 1 and the inner ring 2, and the sound absorbing layer 4 is made of a porous material.
The inner ring 2 is embraced by the annular bradyseism reed 3 in the circumferential direction, the outer ring 1 is connected to one side of the wave of the bradyseism reed 3, the inner ring 2 is connected to one side of the wave, when the external force is large, the wheel is greatly vibrated, corresponding deformation is generated, the deformation is large, the external elasticity is large, more vibration loads can be offset, 6-10 waves of the wavy bradyseism reed 3 are arranged according to the diameter of the hub, the stress is not uniform enough when the external force is too small, the radial inclination is too small when the external force is too much, the component force of the elasticity is basically not available, the more excellent bradyseism performance cannot be achieved, and the manufacturing is difficult.
The limiting part 5 also plays a supporting role, when the wave-shaped shock absorption reed 3 deforms greatly, rigid support is provided between the inner ring 1 and the outer ring 1, and the situation that the shock absorption reed 3 deforms too much to cause that the eccentricity of the wheel relative to the wheel shaft is too serious is prevented, as shown in figure 5, and the normal running function of the wheel is obstructed.
The sound absorption layer 4 between the outer ring 1 and the inner ring 2 can help to absorb noise, noise caused by periodic deformation of air inside the tire and noise generated by vibration of the tire in the driving process are transmitted to the wheel shaft through the wheel hub and then transmitted to the inside of the vehicle body through the wheel shaft, so that the damping and silencing effects of the damping reed 3 can be achieved, the sound absorption layer 4 is filled between the inner ring 1 and the outer ring 1 to further eliminate noise, continuous micro-vibration transmission is carried out on the damping reed 3, the damping reed 3 is surrounded by the sound absorption layer 4, part of micro-vibration on the damping reed 3 is absorbed by the sound absorption layer 4, and less noise is transmitted.
The shock absorption reed 3 is welded and fixed with the outer ring 1 and the inner ring 2, and the sound absorption layer 4 is filled between the outer ring 1 and the inner ring 2 in a plastic filling or foaming mode.
The welding fixation is reliable, the structure size is small, the permanent rigid fixation is very suitable, in the embodiment, the shock absorption reed 3 and the inner and outer rings 1 are welded and fixed, the shock absorption reed is not only rigidly connected, but also plays a role in preventing the inner and outer rings 1 from axially shifting, if the shock absorption reed 3 and the inner and outer rings 1 are not fixedly connected but only are in contact with each other, an additional axial fixing structure is required to be arranged between the inner and outer rings 1, otherwise, the inner and outer rings 1 can axially move relatively, and the tire can fall off when the wheel runs for a while.
The porous material used by the sound absorption layer 4 can be foamed plastic, and also can be materials such as foam glass, the foamed plastic is light and convenient, and is beneficial to reducing the weight of the device, and the foam glass refers to organic glass and has higher strength, the toughness is also in the use range, after the foam glass is used, the radial size of the inner ring 2 can be smaller, even the web plate 23 and the outer ring 21 are eliminated, and the shock absorption reed 3 and the limiting part 5 are directly connected between the inner ring 22 and the outer ring 1.
As shown in fig. 7, the center of the inner ring 22 is provided with an anti-theft lock hole 224 along the axial direction, as shown in fig. 7 and fig. 9, the axial section of the anti-theft lock hole 224 is polygonal and gradually changes along the axial area, the lightweight noise-damping and shock-absorbing wheel hub further comprises a lock hole column 8, the shape of the lock hole column 8 is the same as that of the anti-theft lock hole 224, the inner ring 22 is provided with pin sheet grooves 225 with the same number as the fastening holes 222 along the radial direction, the pin sheet grooves 225 are blind grooves, the open end is connected with the anti-theft lock hole 224, and the axial position of the pin sheet grooves 225 in the inner ring 22 is located at the threaded section position of the fastening piece in the fastening holes 222;
an anti-theft pin sheet 61 is arranged in the pin sheet groove 225 in a sliding mode, the anti-theft pin sheet 61 is in a groove shape, one side, close to the anti-theft lock hole 224, of the anti-theft pin sheet 61 is connected with a push rod 62, one side, far away from the anti-theft lock hole 224, of the anti-theft pin sheet 61 is provided with an elastic body 63 which abuts against the groove bottom of the pin sheet groove 225, a stop screw 9 is used in the fastening hole 222, as shown in fig. 8, a stop groove 91 is formed in the thread section of the stop screw 9, and the stop screw 9 penetrates through the groove opening of the anti-theft pin sheet 61;
as shown in fig. 7 and 10, when the elastic body 63 is in the extended state, the anti-theft pin 61 hooks the stop groove 91, and the head of the push rod 62 extends into the anti-theft lock hole 224; after the keyhole column 8 is inserted into the anti-theft keyhole 224, the push rod 62 retracts into the pin sheet groove 225, and the anti-theft pin sheet 61 is disengaged from the stop groove 91.
The polygonal lock hole column 8 is not easy to obtain from the outside, and the lock hole column 8 is not inserted into the anti-theft lock hole 224, so that the anti-theft pin sheet 61 can always hook the stop groove 91 of the stop screw 9, the stop screw 9 cannot be detached from the fastening hole 222, the hub and the wheel shaft always keep a fixed relation, and an anti-theft effect can be achieved or the wheel hub can be prevented from being unscrewed maliciously by others; when the wheel is maintained, a vehicle owner only needs to insert the keyhole column 8 into the anti-theft keyhole 224, so that the keyhole column 8 pushes the push rod 62, the push rod 62 then pushes the anti-theft pin 61 to slide in the pin groove 225 for a certain distance and separate from the stop groove 91, at the moment, the anti-theft pin 61 does not influence the external dismounting of the stop screw 9, and the keyhole column 8 is similar to a key in the process of dismounting the wheel hub and the wheel shaft. After the hub and the wheel shaft are disassembled, the vehicle owner pulls the keyhole column 8 out and puts the keyhole column into the vehicle or places the keyhole column separately.
As shown in fig. 1 and 3, the web 23 is provided with a plurality of plate holes 231. Plate holes 231 can reduce the weight of web 23, and when the diameters of the inner and outer edges of web 23 are constant, the same structural strength can be achieved with a smaller mass of metal material for forming plate holes 231, as compared to a structural arrangement in which plate holes 231 are not formed.
As shown in fig. 4, a decoration hole 223 is formed in the center of one end surface of the inner ring 22 away from the axle hole 221, and an internal thread is formed in the decoration hole 223. Small parts such as a car logo and the like can be arranged in the decoration hole 223, so that the attractiveness of the wheel is improved.
As shown in FIG. 3, when the damper reed 3 is in the expanded state, the clearance between the arc plate 51 and the inner surface of the outer ring 1 is 3 to 5 mm. The clearance between the arc plate 51 and the inner surface of the outer ring 1 is the deformation degree of the shock absorption reed 3 and the eccentricity degree between the tire and the wheel shaft, if the clearance is too small, the shock absorption performance of the shock absorption reed 3 cannot be exerted or the wheel hub basically has no shock absorption capability, if the clearance is too large, the eccentricity between the tire and the wheel shaft is too serious, which may result in unpredictable results in the driving process, so 3-5 is preferably taken for conservation.
The outer ring 21, the inner ring 22 and the web 23 are integrally die cast of aluminum alloy. The aluminum alloy integral die casting is compact in structure and guaranteed in strength, and when the theoretical design of the physical size is reasonable, stress concentration and the like cannot be caused by the installation, the connection and other factors, so that the hub is damaged.
The use principle of the invention is as follows: the wheel hub is arranged on the wheel shaft, the tire is arranged outside the wheel hub, and in the driving process of the automobile, the noise and the vibration of the tire are absorbed and eliminated by the shock absorption reed and the sound absorption layer when passing through the wheel hub, so that the noise transmitted into the automobile body by the tire is greatly reduced, and the driving vibration is eliminated by matching with other shock absorption components of the automobile.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a light amortization bradyseism wheel hub which characterized in that: the silencing and cushioning wheel hub comprises an outer ring (1), an inner ring (2) and a cushioning reed (3), wherein the outer ring (1) is annular, and the cushioning reed (3) is arranged between the inner surface of the outer ring (1) and the outer surface of the inner ring (2);
the inner ring (2) comprises an outer ring (21), an inner ring (22) and a web plate (23), the outer ring (21) and the inner ring (22) are coaxially arranged, the web plate (23) is arranged between the outer ring (21) and the inner ring (22), the web plate (23) is respectively fixedly connected with the outer ring (21) and the inner ring (22), a wheel axle hole (221) is formed in the center of the inner ring (22), the wheel axle hole (221) is overlapped with the axis of the inner ring (22), a plurality of fastening holes (222) are formed in the end face, on one side, deviating from the wheel axle hole (221), of the inner ring (22), and the length direction of each fastening hole (222) is parallel to the axis of the wheel axle hole (221);
the damping reed (3) is in an annular wavy shape, the maximum diameter position of the damping reed (3) abuts against the inner surface of the outer ring (1), the minimum diameter position of the damping reed (3) abuts against the outer surface of the outer ring (21), and the damping reed (3) is fixedly connected with the outer ring (1) and the inner ring (2) respectively;
the light silencing and cushioning wheel hub further comprises a plurality of limiting parts (5), the limiting parts (5) are arranged between the outer ring (1) and the inner ring (2), each limiting part (5) comprises an arc plate (51) and a connecting column (52), the connecting column (52) is arranged along the radial direction of the inner ring (2), one end of the connecting column (52) penetrates through the cushioning reed (3) and then is fixed on the outer surface of the outer ring (21), the other end, facing the outer ring (1), of the connecting column (52) is provided with the arc plate (51), the arc of one side surface, facing the outer ring (1), of the arc plate (51) is the same as the arc of the inner surface of the outer ring (1), and a gap is reserved between the arc plate (51) and the inner surface of the outer ring (1) when the cushioning reed (3) is in a stretching state;
a sound absorption layer (4) is filled between the outer ring (1) and the inner ring (2), and the sound absorption layer (4) is made of porous materials;
the shock absorption reed (3) is welded and fixed with the outer ring (1) and the inner ring (2), and the sound absorption layer (4) is filled between the outer ring (1) and the inner ring (2) in a plastic filling or foaming mode;
the light silencing and cushioning wheel hub is characterized in that an anti-theft lock hole (224) is formed in the center of the inner ring (22) along the axial direction, the axial section of the anti-theft lock hole (224) is polygonal, the area of the axial section of the anti-theft lock hole is gradually changed along the axial direction, the light silencing and cushioning wheel hub further comprises a lock hole column (8), the shape of the lock hole column (8) is the same as that of the anti-theft lock hole (224), pin piece grooves (225) with the same number as that of the fastening holes (222) are formed in the inner ring (22) along the radial direction, the pin piece grooves (225) are blind grooves, the opening end of each pin piece groove is connected with the anti-theft lock hole (224), and the axial position of each pin piece groove (225) in the inner ring (22) is located at the position of the thread section of the fastening piece in the fastening holes (222);
an anti-theft pin piece (61) is arranged in the pin piece groove (225) in a sliding mode, the anti-theft pin piece (61) is of a groove shape, one side, close to the anti-theft lock hole (224), of the anti-theft pin piece (61) is connected with a push rod (62), one side, far away from the anti-theft lock hole (224), of the anti-theft pin piece (61) is provided with an elastic body (63) which abuts against the groove bottom of the pin piece groove (225), a stop screw (9) is used in the fastening hole (222), a stop groove (91) is formed in the thread section of the stop screw (9), and the stop screw (9) penetrates through the groove opening of the anti-theft pin piece (61);
when the elastic body (63) is in an extension state, the anti-theft pin sheet (61) hooks the stop groove (91), and the head of the push rod (62) extends into the anti-theft lock hole (224); after the keyhole column (8) is inserted into the anti-theft keyhole (224), the push rod (62) retracts into the pin sheet groove (225), and the anti-theft pin sheet (61) is separated from the stop groove (91).
2. A lightweight acoustic and cushioning wheel hub as set forth in claim 1, wherein: a plurality of plate holes (231) are formed in the web plate (23).
3. A lightweight acoustic and cushioning wheel hub as set forth in claim 1, wherein: the center of the end face of one side of the inner ring (22) far away from the axle hole (221) is provided with a decorative hole (223), and an internal thread is arranged in the decorative hole (223).
4. A lightweight acoustic and cushioning wheel hub as set forth in claim 1, wherein: and in the extension state of the shock absorption reed (3), the gap between the arc plate (51) and the inner surface of the outer ring (1) is 3-5 mm.
5. A lightweight noise and vibration damping hub as defined in claim 1, wherein: the outer ring (21), the inner ring (22) and the web (23) are made of aluminum alloy integrally die-cast parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561935.XA CN110356165B (en) | 2019-06-26 | 2019-06-26 | Light amortization bradyseism wheel hub |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561935.XA CN110356165B (en) | 2019-06-26 | 2019-06-26 | Light amortization bradyseism wheel hub |
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| CN110356165A CN110356165A (en) | 2019-10-22 |
| CN110356165B true CN110356165B (en) | 2022-07-08 |
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| CN201910561935.XA Active CN110356165B (en) | 2019-06-26 | 2019-06-26 | Light amortization bradyseism wheel hub |
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| CN111501771B (en) * | 2020-03-25 | 2021-06-01 | 中铁隧道局集团建设有限公司 | Application method of multi-elliptical annular composite support in deep and large silt foundation pit engineering |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6279630B1 (en) * | 1998-12-23 | 2001-08-28 | Daimlerchrysler Ag | Non pneumatic tires |
| US8104524B2 (en) * | 2007-03-27 | 2012-01-31 | Resilient Technologies Llc | Tension-based non-pneumatic tire |
| CN201931931U (en) * | 2010-12-28 | 2011-08-17 | 李德贵 | Novel spring shockproof automobile wheel |
| CN204095396U (en) * | 2014-09-04 | 2015-01-14 | 周海森 | Spring loaded trouble-proof tire |
| JP6632916B2 (en) * | 2016-03-14 | 2020-01-22 | 株式会社ブリヂストン | Non-pneumatic tire |
| KR101924107B1 (en) * | 2017-04-07 | 2018-11-30 | 금호타이어 주식회사 | Semi pneumatic tire |
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