CN109895553B - Lightweight automobile wheel hub - Google Patents

Lightweight automobile wheel hub Download PDF

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Publication number
CN109895553B
CN109895553B CN201910237704.3A CN201910237704A CN109895553B CN 109895553 B CN109895553 B CN 109895553B CN 201910237704 A CN201910237704 A CN 201910237704A CN 109895553 B CN109895553 B CN 109895553B
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groove
cooling
sliding
sliding groove
sleeve
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CN109895553A (en
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王志强
王青
谢响玲
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ZHEJIANG OUXING HUANMEI AUTOMOBILE PARTS Co.,Ltd.
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Zhejiang Ouxing Huanmei Automobile Parts Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86Optimisation of rolling resistance, e.g. weight reduction 

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Abstract

The invention belongs to the technical field of automobile accessories, and particularly relates to a lightweight automobile hub; comprises a mounting disc, a spoke and a rim; the spoke is connected between the mounting disc and the rim; the spokes are provided with cooling modules; the cooling module is used for cooling the whole hub and comprises a sliding block, a spring, a sliding groove and a cooling groove; the spokes are provided with sliding grooves; a sliding block is connected in the sliding groove in a sliding manner through a spring; an annular cooling groove is formed in the rim; the cooling groove is connected with the sliding groove through a communicating groove; the cross section of the communicating groove is I-shaped; wherein the bottom of the vehicle body is provided with a cooling box; a liquid outlet pipe is arranged at the bottom of the cooling box; the liquid outlet pipe is communicated with the cooling tank; the cooling device is simple in structure and convenient to operate, and the wheel roller is cooled through the cooling module, so that the abnormal loss of the tire caused by overhigh temperature of the wheel hub is avoided.

Description

Lightweight automobile wheel hub
Technical Field
The invention belongs to the technical field of automobile accessories, and particularly relates to a lightweight automobile hub.
Background
The automobile hub is used as a supporting part of an automobile tire, the importance of the automobile hub is self-evident, and along with the development of new energy automobiles, the light weight of the automobile plays an important role in energy conservation and emission reduction, so that the light weight of each part of the automobile, such as a frame, a hub and the like, is expected to be realized, but the strength can still be ensured when the excessive light weight causes the deficiency of the strength, so that the light weight of a novel structure and a novel material is realized, but the research and development work of the part is far less mature, and a plurality of places needing improvement exist. For example, the technology of cooling the hub itself does not exist in the existing environment, and the tire loss caused by the overhigh temperature of the hub cannot be avoided.
Also some wheel hub's technical scheme has appeared among the prior art, chinese patent as application number 2018102672529 discloses a high obdurability lightweight wheel hub for new energy automobile, including mounting disc, rim and a plurality of spoke, the spoke is connected the mounting disc with between the rim, the mounting disc has centre bore and a plurality of bolt hole, and every spoke includes first spoke board and second spoke board, first, two spoke boards are all connected the mounting disc with between the rim.
According to the technical scheme, the two wheel spokes are arranged to replace solid wheel spokes, so that the weight of the wheel hub is reduced, the strength and the toughness of the wheel hub are guaranteed while the weight is reduced, and the monitoring function is achieved, but the technical scheme is limited due to the fact that the processing related to the temperature reduction of the wheel hub is involved; this technical scheme is through the slider reciprocating sliding under the effect of centrifugal force among the cooling module to in sucking the cooling bath in the wheel hub with the coolant liquid, and then cooling wheel hub, avoided because the condition emergence that the wheel hub high temperature caused the unusual loss of tire.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the light-weight automobile hub which is simple in structure and convenient to operate, and the temperature of the hub is reduced through the cooling module, so that the abnormal loss of a tire caused by overhigh temperature of the hub is avoided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a lightweight automobile hub comprises a mounting disc, a spoke and a rim; the spoke is connected between the mounting disc and the rim; the lightweight automobile hub further comprises a cooling module; the cooling module is used for cooling the whole hub and comprises a sliding block, a spring, a sliding groove and a cooling groove; the spokes are provided with sliding blocks, springs and sliding grooves; a sliding block is connected in the sliding groove in a sliding manner through a spring; an annular cooling groove is formed in the rim; the cooling groove is connected with the sliding groove through a communicating groove; the cross section of the communicating groove is I-shaped; wherein the bottom of the vehicle body is provided with a cooling box; a liquid outlet pipe is arranged at the bottom of the cooling box; the liquid outlet pipe is communicated with the cooling tank. When the wheel hub works in cooperation with a tire, the tire is likely to be worn due to overhigh temperature of a vehicle in the driving process, and even the tire is burst under extreme conditions, so that unexpected damage is caused; therefore, the wheel rotates to generate centrifugal force, the sliding block arranged on the spoke can slide in the sliding groove under the action of the centrifugal force, when the vehicle decelerates or stops, the centrifugal force is weakened and then is smaller than the gravity of the sliding block, the sliding block can return under the action of the gravity of the sliding block, certain negative pressure can be generated in the returning process, and therefore cooling liquid in a cooling box arranged below the vehicle body is extracted into the cooling groove and then flows into the sliding groove through the communicating groove, the hub is cooled, meanwhile, the communicating groove is arranged to be in an I shape, the cooling liquid can flow in the spoke to the maximum extent, the contact area of the cooling liquid and the spoke is increased, and the cooling effect and the cooling efficiency are enhanced; this technical scheme is through the slider reciprocating sliding under the effect of centrifugal force among the cooling module to in sucking the cooling bath in the wheel hub with the coolant liquid, and then cooling wheel hub, avoided because the condition emergence that the wheel hub high temperature caused the unusual loss of tire.
Preferably, friction pads are arranged on two sides of the sliding groove at intervals; the friction pads are made of memory alloy materials, the memory alloy has the performance of thermal shrinkage and cold expansion, and protrusions are arranged between every two adjacent friction pads; the bulge is positioned in a groove arranged on the side wall of the sliding chute; the communication groove is provided with heat dissipation holes; the heat dissipation holes are communicated with the outside, and sliding grooves are horizontally formed in the heat dissipation holes; a blocking plate is connected in the sliding groove in a sliding manner; the blocking plate is provided with through holes which are arranged in a staggered mode, and the blocking plate is connected with the protrusions through the connecting units; when the protrusions are extruded by the sliding blocks, the connecting units can be pushed to work, so that the blocking plate is enabled to move until the through holes in the blocking plate are just positioned in the heat dissipation holes. When the cooling device works, the hub is cooled when the temperature is too high, so that the friction pads made of the memory alloy material are arranged on the two sides of the sliding groove, the memory alloy material has the physical characteristics of thermal shrinkage and cold expansion, and the friction pads can contract when the temperature of the hub is higher, so that the groove diameter of the sliding groove is increased, the sliding speed of the sliding block is increased, a larger suction force is generated to extract cooling liquid, the cooling efficiency is further improved, and when the temperature of the hub is lower, the friction pads can expand, so that the sliding of the sliding block under the action of centrifugal force or the slow sliding speed is avoided, the cooling liquid cannot be extracted for cooling, the energy is saved, and unnecessary waste is avoided; simultaneously when the slider fast sliding, the slider can contact the arch that the spout lateral wall set up at interval to the extrusion is protruding, and the arch receives the extrusion can make the baffler remove through the coupling unit, and the through-hole is located the radiating hole just on the baffler, and the radiating hole communicates with the external world this moment, and the coolant liquid that has produced the heat exchange can follow the downthehole evaporation blowout of radiating hole, thereby has further strengthened the cooling effect.
Preferably, the included angle between one side of the protrusion close to the sliding block and the sliding groove is larger than the included angle between one side of the protrusion far away from the sliding block and the sliding groove, a V-shaped groove is formed in one end of the protrusion far away from the sliding block, and a hole is formed in the top of the protrusion. The during operation, because protruding slope sets up, make the slider can meet bellied blockking when sliding to the outside under the effect of centrifugal force, make the slider extrude by force just can continue quick travel after protruding, and the protruding V type groove that the one end of keeping away from the slider was provided with, can make the slider when extruding protruding top, V type groove received the compression and can take place the closure this moment, thereby make protruding top shorten suddenly, and the hole that the protruding top set up can accelerate the deformation rate at protruding top, then the slider can cross protruding continuation removal in the twinkling of an eye, thereby make the speed that the slider returns faster than outside gliding speed, further accelerate the flow velocity of coolant liquid.
Preferably, an arc-shaped plate is arranged on one side, away from the sliding block, of the protrusion; one end of the arc plate is hinged to the side wall of the sliding groove, the other end of the arc plate is inserted into the arc groove formed in the bottom of the protrusion, and the middle of the arc plate is elastically connected with the side wall of the sliding groove through a spring. The during operation can slide along the arc surface when the slider returns, can press the arc when the slider removes the bellied position of arc for the arc other end promotes the arch along the arc and moves down, thereby reduces the height that the arch stretches out, further accelerates the speed that the slider returns, improves the flow velocity of coolant liquid, has strengthened holistic cooling effect.
Preferably, the connecting unit comprises a fixing ball, a pillar, a sleeve and a steel wire rope; the fixing ball is fixedly connected to the bulge; one end of the strut is fixedly connected to the fixing ball, and the other end of the strut can extend into the sleeve to push the sleeve to rotate; a spiral groove is formed in the sleeve, and the sleeve is rotatably connected to the side wall of the groove; one end of the steel wire rope is fixedly connected to the sleeve, and the other end of the steel wire rope is connected to the blocking plate; the other end of the barrier plate is fixedly connected with a first magnet; and a second magnet magnetically attracted with the first magnet is arranged on the side wall of the sliding groove. The during operation, when the arch is extruded by the slider, the arch all can remove in the recess of both sides, the arch can drive fixed ball and pillar and remove along the recess this moment, the pillar other end can stretch into and promote the sleeve rotation in the sleeve, the sleeve can relax this moment and draw the wire rope of holding the connection, wire rope can take place to the pulling of baffler and hold, No. two magnets of the baffler other end slide under the attraction of a magnet, through-hole on until the baffler is located the radiating hole, make louvre and external intercommunication, then the coolant liquid that has produced the heat exchange can follow the downthehole evaporation blowout of radiating hole, thereby further strengthened the cooling effect.
Preferably, the end of the strut is connected with an annular air bag; fixing rings are arranged on two sides of the strut; cavities are arranged in the fixed rings; the air bag is communicated with the cavity inside the fixing ring through a pipeline. During operation, solid fixed ring can carry out the auxiliary stay to the pillar, takes place the skew when avoiding the pillar to just stretch into in the sleeve and leads to the pillar rupture, nevertheless can extrude solid fixed ring when stretching into the sleeve gradually along with the pillar, is difficult to resume for preventing solid fixed ring is extrudeed plastic deformation too big, and the gasbag through the tip carries out the tonifying qi to solid fixed ring inside this moment to solid fixed ring's local strength of reinforcing improves solid fixed ring's life.
The invention has the following beneficial effects:
1. according to the invention, the sliding block in the cooling module slides back and forth under the action of centrifugal force, so that cooling liquid is pumped into the cooling groove in the wheel hub, the wheel hub is cooled, and the abnormal loss of the tire caused by overhigh temperature of the wheel hub is avoided.
2. The fixing ball and the support are driven by the protrusion to move along the groove, the other end of the support can extend into the sleeve to push the sleeve to rotate, the sleeve can release the steel wire rope which is connected by pulling and holding, the steel wire rope can pull and hold the blocking plate, the second magnet at the other end of the blocking plate slides under the attraction of the first magnet until the through hole in the blocking plate is positioned in the heat dissipation hole, so that the heat dissipation hole is communicated with the outside, and the cooling liquid which generates heat exchange can be evaporated and sprayed out from the heat dissipation hole, thereby further enhancing the cooling effect.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view taken in the direction A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is an enlarged view of a portion of FIG. 3 at C;
FIG. 5 is an enlarged view of a portion of FIG. 3 at D;
in the figure: the wheel comprises a mounting disc 1, a spoke 2, a rim 3, a cooling module 4, a sliding block 41, a sliding groove 42, a cooling groove 43, a communicating groove 44, a friction pad 5, a protrusion 6, a V-shaped groove 61, a heat dissipation hole 7, a blocking plate 8, a connecting unit 9, a support 91, a sleeve 92, a steel wire rope 93, an air bag 94, a fixing ring 95 and an arc-shaped plate 10.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the lightweight automobile hub comprises a mounting disc 1, spokes 2 and a rim 3; the spoke 2 is connected between the mounting plate 1 and the rim 3; the lightweight automobile hub further comprises a cooling module 4; the cooling module 4 is used for cooling the whole hub, and the cooling module 4 comprises a sliding block 41, a spring, a sliding groove 42 and a cooling groove 43; the spokes 2 are provided with sliding blocks 41, springs and sliding grooves 42; a sliding block 41 is connected in the sliding groove 42 in a sliding manner through a spring; an annular cooling groove 43 is arranged on the rim 3; the cooling groove 43 is connected with the sliding groove 42 through a communication groove 44; the cross section of the communication groove 44 is I-shaped; wherein the bottom of the vehicle body is provided with a cooling box; a liquid outlet pipe is arranged at the bottom of the cooling box; the outlet pipe communicates with the cooling bath 43. When the wheel hub works in cooperation with a tire, the tire is likely to be worn due to overhigh temperature of a vehicle in the driving process, and even the tire is burst under extreme conditions, so that unexpected damage is caused; therefore, the wheel rotates to generate centrifugal force, the sliding block 41 arranged on the spoke 2 can slide in the sliding groove 42 under the action of the centrifugal force, when the vehicle decelerates or stops, the centrifugal force is weakened and then is smaller than the gravity of the sliding block 41, the sliding block 41 can return under the action of the gravity of the sliding block, certain negative pressure can be generated in the returning process, so that cooling liquid in a cooling box arranged below the vehicle body is pumped into the cooling groove 43 and then flows into the sliding groove 42 through the communicating groove 44 to realize the cooling of the hub, meanwhile, the communicating groove 44 is I-shaped, the cooling liquid can flow in the spoke 2 to the maximum extent, the contact area of the cooling liquid and the spoke 2 is increased, and the cooling effect and the cooling efficiency are enhanced; this technical scheme is through slider 41 among the cooling module 4 reciprocal slip under the effect of centrifugal force to in cooling tank 43 in pumping the wheel hub with the coolant liquid, and then cooling wheel hub, avoided because the too high condition that causes the unusual loss of tire of wheel hub temperature takes place.
As one embodiment, friction pads 5 are arranged on both sides of the sliding groove 42 at intervals; the friction pads 5 are made of memory alloy materials, the memory alloy has the performance of thermal shrinkage and cold expansion, and protrusions 6 are arranged between every two adjacent friction pads 5; the protrusion 6 is positioned in a groove arranged on the side wall of the sliding groove 42; the communication groove 44 is provided with a heat dissipation hole 7; the heat dissipation holes 7 are communicated with the outside, and sliding grooves are horizontally formed in the heat dissipation holes 7; a blocking plate 8 is connected in the sliding groove in a sliding manner; the blocking plate 8 is provided with through holes which are arranged in a staggered mode, and the blocking plate 8 is connected with the protrusions 6 through a connecting unit 9; when the protrusion 6 is pressed by the slider 41, the connection unit 9 can be pushed to work, so that the blocking plate 8 is promoted to move until the through hole on the blocking plate 8 is just positioned in the heat dissipation hole 7. When the cooling device works, the hub is cooled when the temperature is too high, so that the friction pads 5 made of memory alloy materials are arranged on the two sides of the sliding groove 42, the memory alloy materials have the physical characteristics of thermal shrinkage and cold expansion, when the temperature of the hub is higher, the friction pads 5 can contract, the groove diameter of the sliding groove 42 is increased, the sliding speed of the sliding block 41 is increased, larger suction force is generated to extract cooling liquid, the cooling efficiency is further improved, and when the temperature of the hub is lower, the friction pads 5 can expand, so that the sliding speed or the slow sliding speed of the sliding block 41 under the action of centrifugal force is avoided, the cooling liquid cannot be extracted for cooling, the energy is saved, and unnecessary waste is avoided; simultaneously when slider 41 fast sliding, slider 41 can contact the arch 6 that the spout 42 lateral wall set up at intervals to extrude arch 6, arch 6 receives the extrusion can make baffler 8 remove through coupling unit 9, and the through-hole is located louvre 7 just on baffler 8, and louvre 7 and external intercommunication this moment, then the coolant liquid that has produced the heat exchange can follow louvre 7 interior evaporation blowout, thereby has further strengthened the cooling effect.
As one embodiment, an included angle between one side of the protrusion 6 close to the slider 41 and the sliding groove 42 is larger than an included angle between one side of the protrusion 6 far from the slider 41 and the sliding groove 42, one end of the protrusion 6 far from the slider 41 is provided with a V-shaped groove 61, and the top of the protrusion 6 is provided with a hole. The during operation, because protruding 6 slope sets up, make slider 41 meet protruding 6's the blockking when sliding to the outside under the effect of centrifugal force, make slider 41 extrude by force just can continue the rapid draing behind the arch 6, and protruding 6 one end of keeping away from slider 41 is provided with V type groove 61, can make slider 41 when extrudeing protruding 6 top, V type groove 61 receives the compression this moment and can take place the closure, thereby make protruding 6 top shorten suddenly, and the hole that protruding 6 top set up can accelerate the deformation rate at protruding 6 top, then slider 41 can cross protruding 6 in the twinkling of an eye and continue the removal, thereby make the speed that slider 41 returned faster than outside gliding speed, further accelerate the flow velocity of coolant liquid.
As one embodiment, an arc-shaped plate 10 is arranged on one side of the protrusion 6 away from the sliding block 41; one end of the arc-shaped plate 10 is hinged to the side wall of the sliding groove 42, the other end of the arc-shaped plate 10 is inserted into the arc-shaped groove formed in the bottom of the protrusion 6, and the middle of the arc-shaped plate 10 is elastically connected with the side wall of the sliding groove 42 through a spring. During operation, slider 41 can slide along arc 10 surface when returning, can press arc 10 when slider 41 removes the bellied position of arc 10 for the arc 10 other end promotes protruding 6 downshifts along the arc wall, thereby reduces the height that protruding 6 stretches out, further accelerates the speed that slider 41 returned, improves the flow rate of coolant liquid, has strengthened holistic cooling effect.
As one embodiment, the connection unit 9 includes a fixing ball, a pillar 91, a sleeve 92, and a wire rope 93; the fixing ball is fixedly connected to the bulge 6; one end of the strut 91 is fixedly connected to the fixing ball, and the other end of the strut 91 can extend into the sleeve 92 to push the sleeve 92 to rotate; a spiral groove is formed in the sleeve 92, and the sleeve 92 is rotatably connected to the side wall of the groove; one end of the steel wire rope 93 is fixedly connected to the sleeve 92, and the other end of the steel wire rope is connected to the barrier plate 8; the other end of the barrier plate 8 is fixedly connected with a first magnet; and a second magnet magnetically attracted with the first magnet is arranged on the side wall of the sliding groove. The during operation, when arch 6 is extruded by slider 41, arch 6 all can remove in the recess of both sides, arch 6 can drive fixed ball and pillar 91 and remove along the recess this moment, the pillar 91 other end can stretch into and promote sleeve 92 in the sleeve 92 and rotate, sleeve 92 can relax the drawing and hold wire rope 93 of connection this moment, wire rope 93 can take place to the drawing of baffler 8 and hold, No. two magnets of the baffler 8 other end slide under the attraction of a magnet, through-hole on until baffler 8 is located louvre 7, make louvre 7 and external intercommunication, the evaporation blowout in louvre 7 can be followed to the coolant liquid that has produced the heat exchange, thereby further strengthened the cooling effect.
In one embodiment, the end of the pillar 91 is connected with an annular air bag 94; fixing rings 95 are arranged on two sides of the strut 91; cavities are arranged in the fixing rings 95; the bladder 94 communicates with the cavity inside the retainer ring 95 via tubing. During operation, solid fixed ring 95 can carry out the auxiliary stay to pillar 91, takes place the skew when avoiding pillar 91 just to stretch into in the sleeve 92 and leads to pillar 91 to break, nevertheless can extrude solid fixed ring 95 along with pillar 91 gradually stretches into in the sleeve 92, for preventing solid fixed ring 95 is difficult to resume by extrusion plastic deformation is too big, carries out the tonifying qi to solid fixed ring 95 inside through the gasbag 94 of tip this moment to strengthen solid fixed ring 95's local strength, improve solid fixed ring 95's life.
When the wheel hub works in cooperation with a tire, the tire is likely to be worn due to overhigh temperature of a vehicle in the driving process, and even the tire is burst under extreme conditions, so that unexpected damage is caused; therefore, the wheel rotates to generate centrifugal force, the sliding block 41 arranged on the spoke 2 can slide in the sliding groove 42 under the action of the centrifugal force, when the vehicle decelerates or stops, the centrifugal force is weakened and then is smaller than the gravity of the sliding block 41, the sliding block 41 can return under the action of the gravity of the sliding block, certain negative pressure can be generated in the returning process, so that cooling liquid in a cooling box arranged below the vehicle body is pumped into the cooling groove 43 and then flows into the sliding groove 42 through the communicating groove 44 to realize the cooling of the hub, meanwhile, the communicating groove 44 is I-shaped, the cooling liquid can flow in the spoke 2 to the maximum extent, the contact area of the cooling liquid and the spoke 2 is increased, and the cooling effect and the cooling efficiency are enhanced; this technical scheme is through slider 41 among the cooling module 4 reciprocal slip under the effect of centrifugal force to in cooling tank 43 in pumping the wheel hub with the coolant liquid, and then cooling wheel hub, avoided because the too high condition that causes the unusual loss of tire of wheel hub temperature takes place.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. A lightweight automobile hub comprises a mounting disc (1), a spoke (2) and a rim (3); the spoke (2) is connected between the mounting disc (1) and the rim (3); the method is characterized in that: the lightweight automobile hub further comprises a cooling module (4); the cooling module (4) is used for cooling the whole hub, and the cooling module (4) comprises a sliding block (41), a spring, a sliding groove (42) and a cooling groove (43); the spokes (2) are provided with sliding blocks (41), springs and sliding grooves (42); a sliding block (41) is connected in the sliding groove (42) in a sliding manner through a spring; an annular cooling groove (43) is formed in the rim (3); the cooling groove (43) is connected with the sliding groove (42) through a communication groove (44); the cross section of the communication groove (44) is I-shaped; wherein the bottom of the vehicle body is provided with a cooling box; a liquid outlet pipe is arranged at the bottom of the cooling box; the liquid outlet pipe is communicated with the cooling groove (43);
friction pads (5) are arranged on two sides of the sliding groove (42) at intervals; the friction pads (5) are made of memory alloy materials, the memory alloy has the performance of thermal shrinkage and cold expansion, and protrusions (6) are arranged between every two adjacent friction pads (5); the bulge (6) is positioned in a groove arranged on the side wall of the sliding groove (42); the communication groove (44) is provided with a heat dissipation hole (7); the heat dissipation holes (7) are communicated with the outside, and sliding grooves are horizontally formed in the heat dissipation holes (7); a blocking plate (8) is connected in the sliding groove in a sliding manner; the blocking plate (8) is provided with through holes which are arranged in a staggered mode, and the blocking plate (8) is connected with the protrusions (6) through a connecting unit (9); when the bulge (6) is extruded by the slide block (41), the connecting unit (9) can be pushed to work, so that the blocking plate (8) is promoted to move until the through hole on the blocking plate (8) is just positioned in the heat dissipation hole (7).
2. The light-weight automobile hub according to claim 1, characterized in that: the included angle between one side of the protrusion (6) close to the sliding block (41) and the sliding groove (42) is larger than the included angle between one side of the protrusion (6) far away from the sliding block (41) and the sliding groove (42), a V-shaped groove (61) is arranged at one end of the protrusion (6) far away from the sliding block (41), and a hole is formed in the top of the protrusion (6).
3. The light-weight automobile hub according to claim 2, characterized in that: an arc-shaped plate (10) is arranged on one side, away from the sliding block (41), of the protrusion (6); one end of the arc-shaped plate (10) is hinged to the side wall of the sliding groove (42), the other end of the arc-shaped plate (10) is inserted into the arc-shaped groove formed in the bottom of the protrusion (6), and the middle of the arc-shaped plate (10) is elastically connected with the side wall of the sliding groove (42) through a spring.
4. The light-weight automobile hub according to claim 1, characterized in that: the connecting unit (9) comprises a fixed ball, a support column (91), a sleeve (92) and a steel wire rope (93); the fixed ball is fixedly connected to the bulge (6); one end of the strut (91) is fixedly connected to the fixing ball, and the other end of the strut (91) can extend into the sleeve (92) to push the sleeve (92) to rotate; a spiral groove is formed in the sleeve (92), and the sleeve (92) is rotatably connected to the side wall of the groove; one end of the steel wire rope (93) is fixedly connected to the sleeve (92), and the other end of the steel wire rope is connected to the barrier plate (8); the other end of the barrier plate (8) is fixedly connected with a first magnet; and a second magnet magnetically attracted with the first magnet is arranged on the side wall of the sliding groove.
5. The light-weight automobile hub according to claim 4, characterized in that: the end of the strut (91) is connected with an annular air bag (94); fixing rings (95) are arranged on two sides of the strut (91); cavities are arranged in the fixing rings (95); the air bag (94) is communicated with a cavity inside the fixing ring (95) through a pipeline.
CN201910237704.3A 2019-03-27 2019-03-27 Lightweight automobile wheel hub Active CN109895553B (en)

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Publication number Priority date Publication date Assignee Title
CN110370861A (en) * 2019-07-31 2019-10-25 张玲 Centrifugal car auxiliary brake wheel hub cover
CN111976376B (en) * 2020-09-03 2021-11-16 浙江跃岭股份有限公司 Lightweight aluminum alloy wheel hub

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