CN207893024U - The pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation - Google Patents
The pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation Download PDFInfo
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- CN207893024U CN207893024U CN201721892394.1U CN201721892394U CN207893024U CN 207893024 U CN207893024 U CN 207893024U CN 201721892394 U CN201721892394 U CN 201721892394U CN 207893024 U CN207893024 U CN 207893024U
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Abstract
A kind of pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation,Including wheel hub and brake disc,Wheel hub is made of wheelboss flange and hub bearing position,Brake disc includes brake disc ontology,The disk inner ring of brake disc ontology towards wheel hub side is equipped with connection keyway,Hub bearing position outer wall is equipped with connection spline,Brake disc ontology is mounted on by connecting keyway and connection spline on hub bearing position,Spline is connected towards being equipped with positioning reinforcing rib on the side of wheelboss flange with the outer wall of hub bearing position,Position reinforcing rib protrusion connection spline top surface,At least one connection spline top surface is equipped with the first half-round cross hole,First half-round cross hole is through connection spline and positioning reinforcing rib,It is correspondingly connected in keyway and is equipped with the second half-round cross hole,Second half-round cross hole is through connection keyway,Expandable fixation assemblies are housed in the full circle through-hole that the second half-round cross hole and the first half-round cross hole are formed；It is equipped with spline ventilation hole between the root of adjacent two connections spline.Suitable for commercial car.
Description
Technical field
The utility model is related to commercial car field of hub, more particularly to a kind of band brake disk heat dissipation for commercial car
Pin type wheel hub brake disk assembly.
Background technology
Currently, Medium or severe type truck and Passenger Vehicle are widely used in highway transportation and engineering transportation, wheel hub brake disc
Assembly is as an important transmission link between ground and vehicle body, and which determine the traffic safety of vehicle and economy.It is existing
Wheel hub brake disk assembly generally comprise wheel hub and brake disc, wherein wheel hub is made of wheelboss flange and hub bearing position, braking
Disk is made of brake disc ontology and brake disc sleeve, and brake disc is sleeved on the hub bearing position of wheel hub simultaneously by brake disc sleeve
It is fixed by fixing bolt.This existing wheel hub brake disk assembly has the following problems in actual use：
1, it is sleeved on the hub bearing position of wheel hub and is fixed by fixing bolt, institute by brake disc sleeve due to brake disc
It can be by prodigious shearing force with fixing bolt；
2, since fixing bolt is fixed on brake disc sleeve and the interconnecting piece of hub bearing position, so the braking of brake disc
The stress point of power and fixing bolt is not in approximately the same plane, and brake force has certain distance in the axial direction with stress point, in this way
A moment of flexure will be generated, to further increase the stress of fixing bolt；
3, it is sleeved on the hub bearing position of wheel hub by brake disc sleeve due to brake disc, so entire wheel hub brake disc
Assembly is enclosed construction, causes the radiating efficiency of brake disc not high, and amount of heat gathers can seriously affect system on the disc brake rotor
The braking effect of Moving plate, to which traffic safety can be influenced.
Invention content
The purpose of this utility model is to overcome the deficiencies of above-mentioned background technology, provide a kind of use of band brake disk heat dissipation
In the pin type wheel hub brake disk assembly of commercial car.
In order to achieve the goal above, a kind of pin type for commercial car of band brake disk heat dissipation provided by the utility model
Wheel hub brake disk assembly, including wheel hub and brake disc, wherein the wheel hub is made of wheelboss flange and hub bearing position, described
Brake disc includes brake disc ontology, and the brake disc ontology is towards along the circumferential direction setting on the inner ring of the disk of the wheel hub side
There are several to connect keyway, the position of the installation brake disc ontology is corresponded on the outer wall of the hub bearing position along the circumferential direction
Equipped with the matched connection spline of connection keyway, the brake disc ontology pass through the connection keyway and the connection flower
Key is mounted on the hub bearing position, the connection spline towards on the side of the wheelboss flange with the hub bearing position
Outer wall on corresponding position be equipped with positioning reinforcing rib, it is described positioning reinforcing rib protrude it is described connection spline top surface, at least one
The top surface upper edge of a connection spline is axially arranged with the first half-round cross hole, and first half-round cross hole axially penetrates through corresponding institute
Connection spline and the corresponding positioning reinforcing rib are stated, the second half-round cross hole is equipped in an axial direction in the corresponding connection keyway,
Second half-round cross hole axially penetrates through the corresponding connection keyway, second half-round cross hole and first half-round cross hole
Expandable fixation assemblies are installed in the full circle through-hole formed；It is equipped with spline between the root of the two neighboring connection spline
Ventilation hole.
By along the circumferential direction opening up connection keyway on inner ring of the brake disc ontology towards the disk of wheel hub side, and
The position of corresponding installation brake disc ontology along the circumferential direction adds and connect the matched company of keyway on the outer wall of hub bearing position
Spline is connect, such brake disc can be mounted on by spline connection type radial positioning on wheel hub, then again by inflatable solid
Determining the cooperation between component and full circle through-hole can be axially installed in brake disc on wheel hub, this combination mounting means by
In using spline structure, connection spline plays mainly by force effect, so expandable fixation assemblies are only merely to play positioning
Effect, stress is very small, smaller so as to be sized to, in order to install the maintenance with the later stage, and service life
It is longer；Simultaneously as the load that spline can bear is larger, so further increasing service life；Moreover, because spline
Stress point and brake disc brake force in approximately the same plane, so moment of flexure is not will produce, to significantly improve spline
Force status, and then further improve service life；Again and, since brake disc ontology is directly pacified by spline structure
On hub bearing position, so brake disc is not necessarily to redesign brake disc sleeve, to greatly reduce the weight of this assembly,
Be conducive to the lightweight of vehicle, more energy efficient environmental protection；Then, logical by opening up spline between the root of two neighboring connection spline
Air holes, such air can circulate at brake disc, to greatly increase the radiating efficiency of brake disc, ensure driving peace
Entirely；Followed by, by side of the connection spline towards wheelboss flange position corresponding on the outer wall of hub bearing position add
Position reinforcing rib is set, and makes the top surface of positioning reinforcing rib protrusion connection spline, in this way, the positioning reinforcing rib added on the one hand can be with
Play the role of intensity to connection spline to reinforce, installation positioning on the other hand can also be played to brake disc ontology；Finally,
By the way that the first half-round cross hole is designed to, through positioning reinforcing rib, on the one hand to facilitate the installation of expandable fixation assemblies in this way,
When on the other hand dismantling, expandable fixation assemblies can support out from one end towards wheelboss flange of full circle through-hole, to facilitate
The dismounting of expandable fixation assemblies.
In the above scheme, the expandable fixation assemblies include expansion axle sleeve, expand axis pin and expansion nut, described swollen
The side wall of swelling shaft set is equipped with inflation openings, and the inner surface of the expansion axle sleeve is the conical surface, one end appearance of the expansion axis pin
Face is the matched conical surface of inner surface with the expansion axle sleeve, and the other end outer surface of the expansion axis pin is equipped with screw thread, institute
It states expansion axle sleeve to be sleeved on the conical surface end of the expansion axis pin, the expansion nut is sleeved on the end of thread of the expansion axis pin
On, the expansion axle sleeve is mounted on expansion axis pin expansion in the full circle through-hole.
In the above scheme, the end face of the expansion nut towards the expansion axle sleeve is equipped with locating flange, described fixed
The outer diameter of position flange is more than the internal diameter of the full circle through-hole.By adding positioning on the end face of expansion nut direction expansion axle sleeve
Flange, in this way, brake disc ontology can be against on the basis of locating flange towards on the disk of wheel hub side, then installation can be swollen
Swollen fixation kit, the installation site to ensure expandable fixation assemblies are correct.
In the above scheme, the internal diameter of the brake disc ontology towards the disk of the wheel hub side is less than the brake disc
Internal diameter of the ontology backwards to the disk of the wheel hub side.It is designed by the internal diameter by brake disc ontology towards the disk of wheel hub side
At less than brake disc ontology backwards to the internal diameter of the disk of the wheel hub side so that it is convenient to installation.
In the above scheme, the spline ventilation hole is arc structure.By being arc structure by spline vents design,
The flowing for being on the one hand conducive to air in this way, improves radiating efficiency, is on the other hand avoided that stress concentration, has ensured connection flower
The intensity of key.
In the above scheme, the quantity of the expandable fixation assemblies is 5 groups, and expandable fixation assemblies described in 5 groups are along circle
Circumferential direction is evenly arranged.
The advantageous effect that technical solution provided by the utility model is brought is：
1, by along the circumferential direction opening up connection keyway on inner ring of the brake disc ontology towards the disk of wheel hub side, and
The position of corresponding installation brake disc ontology along the circumferential direction adds and to connect keyway matched on the outer wall of hub bearing position
Spline is connected, such brake disc can be mounted on by spline connection type radial positioning on wheel hub, then again by inflatable
Brake disc can be axially installed on wheel hub by the cooperation between fixation kit and full circle through-hole, this combination mounting means
As a result of spline structure, connection spline plays mainly by force effect, so expandable fixation assemblies are only merely to play to determine
Position effect, stress is very small, smaller so as to be sized to, and in order to install the maintenance with the later stage, and uses the longevity
Life is longer；
2, the load that can bear due to spline is larger, so further increasing service life；
3, since the brake force of the stress point of spline and brake disc is in approximately the same plane, so moment of flexure is not will produce, from
And the force status of spline is significantly improved, and then further improve service life；
4, since brake disc ontology is directly mounted on by spline structure on hub bearing position, so brake disc no longer needs to set
Meter brake disc sleeve is conducive to the lightweight of vehicle, more energy efficient environmental protection to greatly reduce the weight of this assembly；
5, by opening up spline ventilation hole between the root of two neighboring connection spline, such air can be at brake disc
Circulation, to greatly increase the radiating efficiency of brake disc, has ensured traffic safety；
6, by being designed to the first half-round cross hole, through positioning reinforcing rib, on the one hand to facilitate inflatable fixed group in this way
The installation of part, when on the other hand dismantling, expandable fixation assemblies can support out from one end towards wheelboss flange of full circle through-hole, from
And facilitate the dismounting of expandable fixation assemblies；
7, by adding locating flange on the end face of expansion nut direction expansion axle sleeve, in this way, can be with locating flange
On the basis of be against brake disc ontology towards on the disk of wheel hub side, then expandable fixation assemblies are installed, to ensure may expand
The installation site of fixation kit is correct；
8, it is designed to be less than brake disc ontology backwards to institute by the internal diameter by brake disc ontology towards the disk of wheel hub side
The internal diameter of the disk of wheel hub side is stated so that it is convenient to installation；
9, by being arc structure by spline vents design, be on the one hand conducive to the flowing of air in this way, improve scattered
On the other hand the thermal efficiency is avoided that stress concentration, ensured the intensity of connection spline.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is another viewing angle constructions schematic diagram of Fig. 1；
Fig. 3 is the main structure diagram of Fig. 1；
Fig. 4 is the backsight structural representation of Fig. 1；
Fig. 5 is the cross-sectional view of the line A-A along Fig. 4；
Fig. 6 is the side structure schematic view of Fig. 1；
Fig. 7 is the structural schematic diagram of wheel hub；
Fig. 8 is another viewing angle constructions schematic diagram of Fig. 7；
Fig. 9 is the main structure diagram of Fig. 7；
Figure 10 is the backsight structural representation of Fig. 7；
Figure 11 is the cross-sectional view of the line B-B along Figure 10；
Figure 12 is the side structure schematic view of Fig. 7；
Figure 13 is the structural schematic diagram of brake disc；
Figure 14 is the main structure diagram of Figure 13；
Figure 15 is the side structure schematic view of Figure 13；
Figure 16 is the configuration schematic diagram of the utility model；
Figure 17 is another viewing angle constructions schematic diagram of Figure 16；
Figure 18 is the main structure diagram of Figure 16；
Figure 19 is another configuration schematic diagram of the utility model；
Figure 20 is the structural schematic diagram of expandable fixation assemblies；
Figure 21 is the main structure diagram of Figure 20；
Figure 22 is the side structure schematic view of Figure 20；
Figure 23 is the cross-sectional view of the line C-C along Figure 22；
Figure 24 is the configuration schematic diagram of expandable fixation assemblies.
In figure：Wheel hub 1, wheelboss flange 1a, hub bearing position 1b connect spline 1c, position reinforcing rib 1d, and the first semicircle is logical
Hole 1e, spline ventilation hole 1f, flange ventilation hole 1g, ventilation hole reinforcing rib 1h, brake disc 2, brake disc ontology 2a connect keyway
2b, the second half-round cross hole 2c, expandable fixation assemblies 3 expand axle sleeve 3a, expand axis pin 3b, expansion nut 3c, inflation openings
3d, locating flange 3e.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and embodiments, but the embodiment should not be understood
For limitations of the present invention.
Embodiment：A kind of pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation, including 1 He of wheel hub
Brake disc 2, wherein the wheel hub 1 is made of wheelboss flange 1a and hub bearing position 1b, and the brake disc 2 includes brake disc sheet
Body 2a, the brake disc ontology 2a are towards being along the circumferential direction equipped with several connections on the inner ring of the disk of 1 side of the wheel hub
Keyway 2b, on the outer wall of the hub bearing position 1b the corresponding position for installing the brake disc ontology 2a be along the circumferential direction equipped with
The matched connection spline 1c of connection keyway 2b, the brake disc ontology 2a pass through the connection keyway 2b and the connection
Spline 1c is mounted on the hub bearing position 1b, the connection spline 1c towards on the side of the wheelboss flange 1a with it is described
Corresponding position is equipped with positioning reinforcing rib 1d, the positioning reinforcing rib 1d protrusions connection flower on the outer wall of hub bearing position 1b
The top surface of key 1c, the positioning reinforcing rib 1d is for brake disc ontology 2a described in location and installation and for increasing the connection spline
The top surface upper edge of the intensity of 1c, at least one connection spline 1c is axially arranged with the first half-round cross hole 1e, first semicircle
Through-hole 1e axially penetrates through the corresponding connection spline 1c and the corresponding positioning reinforcing rib 1d, the corresponding connection keyway
The corresponding connection keyway 2b is axially penetrated through equipped with the second half-round cross hole 2c, the second half-round cross hole 2c in an axial direction in 2b,
Expandable fixation assemblies are installed in the full circle through-hole that the second half-round cross hole 2c and the first half-round cross hole 1e is formed
3；It is equipped on spline ventilation hole 1f, the wheelboss flange 1a along the circumferential direction between the root of the two neighboring connection spline 1c
The flange ventilation hole 1g that can be connected to the spline ventilation hole 1f equipped with several.
By along the circumferential direction opening up connection keyway on inner rings of the brake disc ontology 2a towards the disk of 1 side of wheel hub
2b, and the position of corresponding installation brake disc ontology 2a along the circumferential direction adds and connect keyway on the outer wall of hub bearing position 1b
The matched connection spline 1c of 2b, such brake disc 2 can be mounted on by spline connection type radial positioning on wheel hub 1, so
Brake disc 2 can be axially installed in by wheel hub 1 by the cooperation between expandable fixation assemblies 3 and full circle through-hole again afterwards
On, this combination mounting means is played as a result of spline structure, connection spline 1c mainly by force effect, so inflatable solid
It is merely to play positioning action to determine component 3 only, and stress is very small, smaller so as to be sized to, in order to install
With the maintenance in later stage, and service life is longer；Simultaneously as the load that spline can bear is larger, so further improving
Service life；Moreover, because the stress point of spline and the brake force of brake disc is in approximately the same plane, so not will produce curved
Square to significantly improve the force status of spline, and then further improves service life；Again and, due to braking
Disk ontology 2a is directly mounted on by spline structure on the 1b of hub bearing position, so brake disc 2 is not necessarily to redesign brake disc sleeve,
To greatly reduce the weight of this assembly, be conducive to the lightweight of vehicle, more energy efficient environmental protection；Then, by adjacent two
Spline ventilation hole 1e is opened up between the root of a connection spline 1c, and along the circumferential direction opening up several on wheelboss flange 1a can
The flange ventilation hole 1f being connected to spline ventilation hole 1e, such air can circulate in this assembly, to greatly increase this
The radiating efficiency of assembly, has ensured traffic safety；Followed by, by connection spline 1c towards on the side of wheelboss flange 1a with
Corresponding position adds positioning reinforcing rib 1d on the outer wall of hub bearing position 1b, and makes positioning reinforcing rib 1d protrusion connection splines 1c
Top surface, reinforce in this way, on the one hand the positioning reinforcing rib 1d added can play the role of intensity to connection spline 1c, another party
Face can also play the role of brake disc ontology 2a installation positioning；Finally, by being designed to the first half-round cross hole 1e through fixed
On the one hand position reinforcing rib 1d facilitates the installation of expandable fixation assemblies 3 in this way, when on the other hand dismantling, may expand fixed group
Part 3 can support out from one end towards wheelboss flange 1a of full circle through-hole, to facilitate the dismounting of expandable fixation assemblies 3.
Above-mentioned expandable fixation assemblies 3 include expansion axle sleeve 3a, expansion axis pin 3b and expansion nut 3c, the expansion axle sleeve
The side wall of 3a is equipped with inflation openings 3d, and the inner surface of the expansion axle sleeve 3a is the conical surface, outside one end of the expansion axis pin 3b
Surface is the matched conical surface of inner surface with the expansion axle sleeve 3a, and the other end outer surface of the expansion axis pin 3b is equipped with spiral shell
Line, the expansion axle sleeve 3a are sleeved on the conical surface end of the expansion axis pin 3b, and the expansion nut 3c is sleeved on the expansion
On the end of thread of axis pin 3b, the expansion axle sleeve 3a and expansion axis pin 3b expansions are mounted in the full circle through-hole.It is described
Outer diameter of the end face equipped with locating flange 3e, the locating flange 3e of expansion nut 3c towards the expansion axle sleeve 3a are more than institute
State the internal diameter of full circle through-hole.By adding locating flange 3e on the end face of expansion nut 3c direction expansion axle sleeves 3a, in this way, can
It is fixed by being against brake disc ontology 2a on the basis of locating flange 3e towards on the disk of 1 side of wheel hub, then installation is inflatable
Component 3, the installation site to ensure expandable fixation assemblies 3 are correct.
Each full circle through-hole is corresponded to is located at the same of the hub bearing position 1b there are one the flange ventilation hole 1g
On busbar.By corresponding to each full circle through-hole, there are one the same busbares that the flange ventilation hole 1g is located at hub bearing position 1b
On, i.e., each full circle through-hole be located on the same busbar of hub bearing position 1b with corresponding flange ventilation hole 1g so that it is convenient to from
Auxiliary dismounting expandable fixation assemblies 3 at flange ventilation hole 1g.Ventilation hole is equipped between the two neighboring flange ventilation hole 1g
Reinforcing rib 1h.By adding ventilation hole reinforcing rib 1h between two flange ventilation hole 1g, flange ventilation hole 1g can be increased in this way
Intensity.
The internal diameter of above-mentioned brake disc ontology 2a towards the disk of 1 side of the wheel hub is less than the brake disc ontology 2a backwards
The internal diameter of the disk of 1 side of the wheel hub.It is designed to by the internal diameter by brake disc ontology 2a towards the disk of 1 side of wheel hub small
In brake disc ontology 2a backwards to the internal diameter of the disk of 1 side of the wheel hub, it can guarantee that the both sides of this assembly are perforations in this way, from
And improve radiating efficiency.The quantity of the flange ventilation hole 1g is more than the quantity of the spline ventilation hole 1f.By by flange
The quantitative design of ventilation hole 1g can increase intake in this way at the quantity more than spline ventilation hole 1f.Each spline ventilation
Hole 1f, which is corresponded to, to be located at there are one the flange ventilation hole 1g on the same busbar of the hub bearing position 1b.By designing each flower
Key ventilation hole 1f, which is corresponded to, to be located at there are one flange ventilation hole 1g on the same busbar of hub bearing position 1b, i.e., each spline ventilation hole
1f is located at corresponding flange ventilation hole 1g on the same busbar of hub bearing position 1b, is conducive to the flowing of air in this way, improves
Radiating efficiency.
Above-mentioned spline ventilation hole 1f is arc structure.By the way that spline ventilation hole 1f is designed as arc structure, such side
Face is conducive to the flowing of air, improves radiating efficiency, is on the other hand avoided that stress concentration, has ensured that connection spline 1c's is strong
Degree.The flange ventilation hole 1g is arc structure.It is on the one hand advantageous in this way by the way that flange ventilation hole 1g is designed as arc structure
In the flowing of air, radiating efficiency is improved, is on the other hand avoided that stress concentration, has ensured the intensity of wheelboss flange 1a.Institute
The quantity for stating expandable fixation assemblies 3 is 5 groups, and expandable fixation assemblies 3 described in 5 groups are evenly distributed in the circumferential direction.
The assembly method of above-mentioned wheel hub brake disk assembly is as follows：
A, the connection keyway 2b on the brake disc ontology 2a is directed at the connection spline on the wheel hub 1
1c, and the first half-round cross hole 1e is made to be directed at the corresponding second half-round cross hole 2c, pass through the mutually matched company
It meets spline 1c and the connection keyway 2b brake disc ontology 2a radial positionings are mounted on wheel hub 1；
B, by the brake disc ontology 2a axial compressions on the positioning reinforcing rib 1d；
C, the expandable fixation assemblies 3 are inserted by the second half-round cross hole 2c and the first half-round cross hole 1e
In the full circle through-hole formed, and the expandable fixation assemblies 3 are expanded so that the brake disc ontology 2a axial restraints are installed
On the wheel hub 1.
Wherein, when assembling expandable fixation assemblies 3, set is first installed the expansion axle sleeve 3a's and expansion nut 3c
The expansion axis pin 3b is inserted into the full circle through-hole, and makes the locating flange 3e with the full circle through-hole backwards to described
The end face of wheelboss flange 1a offsets, and then tightening the expansion nut 3c makes the expandable fixation assemblies 3 expand.
The present embodiment passes through the along the circumferential direction company of opening up on inner rings of the brake disc ontology 2a towards the disk of 1 side of wheel hub
Keyway 2b is met, and the position of corresponding installation brake disc ontology 2a along the circumferential direction adds and connects on the outer wall of hub bearing position 1b
The matched connection spline 1c of keyway 2b are met, such brake disc 2 can be mounted on wheel hub 1 by spline connection type radial positioning
On, brake disc 2 then can be axially installed in by wheel by the cooperation between expandable fixation assemblies 3 and full circle through-hole again
On hub 1, this combination mounting means is as a result of spline structure, and connection spline 1c is played mainly by force effect, so can be swollen
Swollen fixation kit 3 is only merely to play positioning action, and stress is very small, smaller so as to be sized to, in order to
The maintenance of installation and later stage, and service life is longer；Since the load that spline can bear is larger, so further increasing
Service life；Since the stress point of spline and the brake force of brake disc are in approximately the same plane, so moment of flexure is not will produce, to
The force status of spline is significantly improved, and then further improves service life；Since brake disc ontology 2a is direct
It is mounted on the 1b of hub bearing position by spline structure, so brake disc 2 is not necessarily to redesign brake disc sleeve, to greatly subtract
The light weight of this assembly, is conducive to the lightweight of vehicle, more energy efficient environmental protection；By in the root of two neighboring connection spline 1c
Between open up spline ventilation hole 1e, and along the circumferential direction open up several on wheelboss flange 1a and can be connected to spline ventilation hole 1e
Flange ventilation hole 1f, such air can circulate in this assembly, to greatly increase the radiating efficiency of this assembly, ensure
Traffic safety；By in connection spline 1c towards corresponding on the outer wall of hub bearing position 1b on the side of wheelboss flange 1a
Position adds positioning reinforcing rib 1d, and makes the top surface of positioning reinforcing rib 1d protrusion connection splines 1c, in this way, the positioning added is reinforced
On the one hand muscle 1d can play the role of intensity to connection spline 1c and reinforce, on the other hand can also play peace to brake disc ontology 2a
Set the effect of position；By the way that the first half-round cross hole 1e is designed to that on the one hand facilitating in this way can be swollen through positioning reinforcing rib 1d
The installation of swollen fixation kit 3, when on the other hand dismantling, expandable fixation assemblies 3 can be from full circle through-hole towards wheelboss flange 1a
One end support out, to facilitate the dismounting of expandable fixation assemblies 3.
In addition, the present embodiment by expansion nut 3c towards adding locating flange 3e on the end face of expansion axle sleeve 3a, this
Sample can be against brake disc ontology 2a towards on the disk of 1 side of wheel hub on the basis of locating flange 3e, and then installation is inflatable
Fixation kit 3, the installation site to ensure expandable fixation assemblies 3 are correct；By corresponding to each full circle through-hole, there are one institutes
It states flange ventilation hole 1g to be located on the same busbar of hub bearing position 1b, i.e., each full circle through-hole and corresponding flange ventilation hole 1g
The auxiliary dismounting expandable fixation assemblies 3 on the same busbar of hub bearing position 1b so that it is convenient at flange ventilation hole 1g；
By adding ventilation hole reinforcing rib 1h between two flange ventilation hole 1g, the intensity of flange ventilation hole 1g can be increased in this way；It is logical
It crosses and the internal diameter of brake disc ontology 2a towards the disk of 1 side of wheel hub is designed to be less than brake disc ontology 2a backwards to the wheel hub 1
The internal diameter of the disk of side can guarantee that the both sides of this assembly are perforations, to improve radiating efficiency in this way；By by flange
The quantitative design of ventilation hole 1g can increase intake in this way at the quantity more than spline ventilation hole 1f；By designing each spline
Ventilation hole 1f, which is corresponded to, to be located at there are one flange ventilation hole 1g on the same busbar of hub bearing position 1b, i.e., each spline ventilation hole 1f
It is located on the same busbar of hub bearing position 1b with corresponding flange ventilation hole 1g, is conducive to the flowing of air in this way, improves
Radiating efficiency；By the way that spline ventilation hole 1f is designed as arc structure, is on the one hand conducive to the flowing of air in this way, improves scattered
On the other hand the thermal efficiency is avoided that stress concentration, ensured the intensity of connection spline 1c；By the way that flange ventilation hole 1g is designed as
On the one hand arc structure is conducive to the flowing of air in this way, improve radiating efficiency, is on the other hand avoided that stress concentration, protects
The intensity of wheelboss flange 1a is hindered.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (6)
1. a kind of pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation, including wheel hub (1) and brake disc
(2), wherein the wheel hub (1) is made of wheelboss flange (1a) and hub bearing position (1b), and the brake disc (2) includes braking
Disk ontology (2a), which is characterized in that the inner ring upper edge of the brake disc ontology (2a) towards the disk of the wheel hub (1) side is justified
Circumferential direction is equipped with several connection keyways (2b), is corresponded on the outer wall of the hub bearing position (1b) and installs the brake disc ontology
The position of (2a) is along the circumferential direction equipped with and the matched connection spline (1c) of the connection keyway (2b), the brake disc ontology
(2a) is mounted on by the connection keyway (2b) and the connection spline (1c) on the hub bearing position (1b), the connection
Spline (1c) with corresponding position on the outer wall of the hub bearing position (1b) towards setting on the side of the wheelboss flange (1a)
There are positioning reinforcing rib (1d), the positioning reinforcing rib (1d) to protrude the top surface of the connection spline (1c), at least one company
The top surface upper edge for connecing spline (1c) is axially arranged with the first half-round cross hole (1e), and first half-round cross hole (1e) axially penetrates through correspondence
The connection spline (1c) and the corresponding positioning reinforcing rib (1d), sets in an axial direction in the corresponding connection keyway (2b)
There is the second half-round cross hole (2c), second half-round cross hole (2c) axially penetrates through the corresponding connection keyway (2b), and described
Expandable fixation assemblies are installed in the full circle through-hole that two half-round cross holes (2c) are formed with first half-round cross hole (1e)
(3)；It is equipped with spline ventilation hole (1f) between the root of the two neighboring connection spline (1c).
2. the pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation as described in claim 1, feature
It is, the expandable fixation assemblies (3) include expansion axle sleeve (3a), expand axis pin (3b) and expansion nut (3c), described swollen
The side wall of swelling shaft set (3a) is equipped with inflation openings (3d), and the inner surface of the expansion axle sleeve (3a) is the conical surface, the expansion pin
One end outer surface of axis (3b) is the matched conical surface of inner surface with the expansion axle sleeve (3a), the expansion axis pin (3b)
Other end outer surface is equipped with screw thread, and the expansion axle sleeve (3a) is sleeved on the conical surface end of the expansion axis pin (3b), described swollen
Expansion nut (3c) is sleeved on the end of thread of the expansion axis pin (3b), the expansion axle sleeve (3a) and the expansion axis pin (3b)
Expansion is mounted in the full circle through-hole.
3. the pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation as claimed in claim 2, feature
It is, the end face of the expansion nut (3c) towards the expansion axle sleeve (3a) is equipped with locating flange (3e), the positioning mode
The outer diameter of blue (3e) is more than the internal diameter of the full circle through-hole.
4. the pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation as described in claim 1, feature
It is, the internal diameter of the brake disc ontology (2a) towards the disk of the wheel hub (1) side is less than the brake disc ontology (2a)
Backwards to the internal diameter of the disk of the wheel hub (1) side.
5. the pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation as described in claim 1, feature
It is, the spline ventilation hole (1f) is arc structure.
6. the pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation as described in claim 1, feature
It is, the quantity of the expandable fixation assemblies (3) is 5 groups, and expandable fixation assemblies (3) described in 5 groups are along the circumferential direction uniform
Arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721892394.1U CN207893024U (en) | 2017-12-28 | 2017-12-28 | The pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721892394.1U CN207893024U (en) | 2017-12-28 | 2017-12-28 | The pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation |
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| Publication Number | Publication Date |
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| CN207893024U true CN207893024U (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721892394.1U Active CN207893024U (en) | 2017-12-28 | 2017-12-28 | The pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation |
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| CN (1) | CN207893024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087464A (en) * | 2017-12-28 | 2018-05-29 | 湖北三环车桥有限公司 | The pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation |
-
2017
- 2017-12-28 CN CN201721892394.1U patent/CN207893024U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087464A (en) * | 2017-12-28 | 2018-05-29 | 湖北三环车桥有限公司 | The pin type wheel hub brake disk assembly for commercial car of band brake disk heat dissipation |
| CN108087464B (en) * | 2017-12-28 | 2023-10-17 | 湖北三环车桥有限公司 | Pin shaft type hub brake disc assembly with brake disc heat dissipation function for commercial vehicle |
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