A kind of inner tube-free wheel rim and inner tube-free wheel of dismantled and assembled wheel rim
Technical field
The present invention relates to the inner tube-free wheel rim of auto parts and components manufacture field more particularly to a kind of dismantled and assembled wheel rim and
Inner tube-free wheel.
Background technology
It is well known that automotive wheel is by using the type of tire to be generally divided into tyre tube wheel and inner tube-free wheel.Wherein,
Inner tube-free wheel is since the advantages such as its safety, energy-saving and environmental protection are gradually promoted use, the national cargo vehicle such as America and Europe according to statistics
Using inner tube-free wheel popularity rate up to 95% or more, China's cargo vehicle uses inner tube-free wheel up to 65% or more, and annual
It shows a rising trend.
However, the wheel rim of inner tube-free wheel used at present, since its flange height is relatively low, intensity is poor,
When road conditions are poor, wheel bears big load or turning, the wheel rim of inner tube-free wheel rim easily deforms, and causes to take turns
The case where tire is deviate from, and tire sidewall cracking is also susceptible under larger load condition, and tire is easy abjection, deposits in use
There is higher security risk.Therefore existing inner tube-free wheel structure can not be in big load cargo vehicle vehicle for example for building, building site
It is used with special-purpose vehicles such as vehicle, mine cars, this has become wheel production field insurmountable technical barrier for a long time.
There is tyre tube wheel rim structure to be different from inner tube-free wheel rim structure, section configuration meets national standard《Vapour
Wheel rim specification series GB/T3487-2005》The related request of (September was issued on the 15th in 2005).With existing inner tube-free wheel
Wheel rim is compared, and existing to have its flange height of tyre tube wheel wheel rim high, thickness is thick, and wheel can have when bearing big load or turning
Effect protection tire does not fall out wheel rim, and wheel rims is not easy to deform, therefore some use environments are severe, it is very big to bear load
Vehicle must also use have tyre tube wheel.But due to there is tyre tube wheel to contain three kinds of inner tube of a tyre, pad tire, cover tire structural materials,
Friction of the vehicle at runtime between the inner tube of a tyre, cover tire and pad tire generates prodigious heat, then is superimposed the heat transfer that brake generates
Onto tire, easily cause tyre explosion, secondly high heat cause the inner tube of a tyre, pad tire easily damages, user's need frequently more
Tire is changed, waste and environmental pollution are caused.
In the prior art, in order to be combined with tyre tube wheel wheel rim and inner tube-free wheel rim the advantages of, in having
Tire rim for automobile wheel increase by one circle rubber seal be mutually assembled and used with tire, by rubber seal play sealing filling wheel rim and
Gap between tire plays the role of preventing from having a flat tire.But in actual use, since inside wheel generates high fever
Amount, tire are to gas in the high pressure of sealing ring, tire to the hazard factors such as the oxidation of rubber seal, especially summer high-temperature weather
Superposition causes rubber seal often just to be damaged using very short time using the high temperature damage brought;Also, due to sealing ring
It is easily deformed, the sealing ring after deformation or damage pastes one piece with tire bead again at high temperature, to cause the tire of tire
Circle deformation, deformed tire bead generate premature ageing, cause Life of Tyre to shorten and are difficult to dismantle;In addition, due to
Product structure limits, and the gap between tire and wheel is smaller, sealing ring thinner thickness, is easy that sealing ring is made to occur partially when mounted
From leading to the unilateral stress of sealing ring during use, accelerate the abrasion of sealing ring.Therefore it can not be widelyd popularize on the market
It uses.
In addition, there is a kind of inner tube-free wheel in the prior art, only intensity, the thickness etc. to material are reinforced,
Although reducing the deformation of wheel, strengthened wheel alleviates the failure of wheel rim deformation to a certain degree in use,
But inner tube-free wheel still results in wheel since flange height is low when wheel bears big load or turning, road conditions difference
The failures such as tire abjection, rim deformation play a protective role simultaneously because wheel rim structure cannot survey tire, in case of heavy load
Under be easy to cause tire sidewall cracking, security risk is caused when serious.
There are tyre tube wheel and the above-mentioned many technical barriers of inner tube-free wheel long-term existence, this case in view of in the prior art
Technology design people based on related manufacturing field rich experiences for many years and too strong professional knowledge is engaged in, in conjunction with inner tube-free wheel
The application of wheel rim is practical, is actively subject to research and innovation, to provide one kind can big load using when prevent tire from deviating from, carry
High safety reliability, and use cost can be reduced, extend Life of Tyre, conducive to the tubeless vehicle of environmentally friendly dismantled and assembled wheel rim
Take turns wheel rim and the inner tube-free wheel using the wheel rim.
Invention content
The object of the present invention is to provide one kind can big load using when prevent tire abjection, high temperature blow out, improve peace
Full reliability, and use cost can be reduced, extend Life of Tyre, conducive to the inner tube-free wheel wheel of environmentally friendly dismantled and assembled wheel rim
Rim.
It is a further object of the present invention to provide a kind of tubeless of the inner tube-free wheel rim using above-mentioned dismantled and assembled wheel rim
Wheel.
In order to achieve the above objectives, the present invention proposes a kind of inner tube-free wheel rim of dismantled and assembled wheel rim, including wheel rim master
Body and annular flange positioned at wheel rim main body both sides, the annular flange include the fixation positioned at the wheel rim body side
Wheel rim and movable wheel rim positioned at the wheel rim main body other side, what the activity wheel rim can be removably mounted is connected with the wheel rim main body
Connect, be equipped with the tyre dismounting groove for dismounting tire used in the middle part of the wheel rim main body periphery, the tyre dismounting groove with
The wheel rim main body peripheral surface between the fixed flange forms the first bcad seats, the tyre dismounting groove and the work
The wheel rim main body peripheral surface between driving wheel edge forms second fetus ring support, and first bcad seats is in by the fixed flange
To tapered radially round table-like, central axial direction of the second fetus ring support along the wheel rim main body of the tyre dismounting groove
It is cylindrical.
The inner tube-free wheel rim of dismantled and assembled wheel rim as described above, wherein the height and shape of the annular flange with
The height and shape of the tyre bead portion of the corresponding tubed tyre of wheel rim are adapted.
The inner tube-free wheel rim of dismantled and assembled wheel rim as described above, wherein the diameter of first bcad seats is more than institute
The diameter of the bcad seats of the tire of installation;The diameter of the second fetus ring support is straight also greater than the bcad seats for the tire installed
Diameter.
The inner tube-free wheel rim of dismantled and assembled wheel rim as described above, wherein correspond in the wheel rim main body described
The position of movable wheel rim offers movable wheel rim mounting groove, and the activity wheel rim is clamped with the movable wheel rim mounting groove.
The inner tube-free wheel rim of dismantled and assembled wheel rim as described above, wherein the activity wheel rim mounting groove takes the shape of the letter U or tiltedly
V-shaped.
The inner tube-free wheel rim of dismantled and assembled wheel rim as described above, wherein the tyre dismounting groove is in flared, institute
It includes notch, slot bottom and positioned at the slot bottom to two groove sidewalls between the notch, two institutes to state flared tyre dismounting groove
State and connected respectively by the excessive corner portion of slot bottom between groove sidewall and the slot bottom, two groove sidewalls and two bcad seats it
Between connected by the excessive corner portion of notch.
The inner tube-free wheel rim of dismantled and assembled wheel rim as described above, wherein close to the described of the movable wheel rim side
The maximum distance L of the excessive corner portion of slot bottom to the movable wheel rim mounting groove is less than the internal diameter d of installed tire.
The inner tube-free wheel rim of dismantled and assembled wheel rim as described above, wherein offered in the tyre dismounting groove
Valve hole for installing valve cock,
The inner tube-free wheel rim of dismantled and assembled wheel rim as described above, wherein the valve hole is opened in close to described
In the groove sidewall of movable wheel rim side.
The inner tube-free wheel rim of dismantled and assembled wheel rim as described above, wherein the groove depth range of the tyre dismounting groove
For 10mm~30mm;The inclination angle of the groove sidewall is 10 °~60 °;The width ratio of the width of the notch and the wheel rim main body
Example is 1:5 to 1:Between 2.
The inner tube-free wheel rim of dismantled and assembled wheel rim as described above, wherein the height of the annular flange be 15mm~
55mm。
The inner tube-free wheel rim of dismantled and assembled wheel rim as described above, wherein the slot bottom is in plane, inclined-plane, cascaded surface
Or inner concave arc surface.
The invention also provides a kind of inner tube-free wheel, the inner tube-free wheel is using dismantled and assembled wheel rim as described above
Inner tube-free wheel rim.
Compared with prior art, the invention has the characteristics that and advantage:
1, since the second fetus ring support of the present invention is cylindrical from the movable wheel rim abutted to tyre dismounting groove direction, i.e.,
Second fetus ring support is cylindrical along the central axial direction of the wheel rim main body, second fetus ring support and tire toe (tire and wheel
At rim cooperation) cooperation, play sealing function when the right toe mouth of tire coordinates with wheel rim.Also, since the first bcad seats is in by institute
Fixed flange is stated to tapered round table-like of the tyre dismounting groove so that the first bcad seats is in contact with the tire installed
Portions airtight.
2, high higher than the wheel rims of existing tubeless tyre using the wheel rims height of existing tubed tyre
The characteristics of spending, the present invention use the wheel rims height of existing tubed tyre, shape version, effective protection tire using
When do not fall out wheel rim, improve the security reliability of wheel, and the first bcad seats is from the fixed flange that abuts to tyre dismounting
Groove direction is radially tapered round table-like, ensure that the sealing function when one end fits of the first bcad seats and tire.
3, it since what the movable wheel rim of the present invention can be removably mounted is connected with wheel rim main body, and is equipped with and supplies along wheel rim main body periphery
The tyre dismounting groove of tire used is dismounted, the movable wheel rim elastic construction with clearance aperture, the dismounting of realization activity wheel rim are coordinated
Function, facility when to ensure that tire is packed into or removes wheel rim.
4, since the installation position of the tyre dismounting groove of the present invention makes the excessive corner portion of the second slot bottom to movable wheel rim
The maximum distance L of mounting groove is slightly less than the internal diameter d of installed tubeless tyre.
5, the present invention offers the valve hole for installing valve cock in tyre dismounting groove, ensure that valve cock
Installation.
Description of the drawings
Attached drawing described here is only used for task of explanation, and is not intended to limit model disclosed by the invention in any way
It encloses.In addition, the shape and proportional sizes etc. of each component in figure are only schematical, it is used to help the understanding of the present invention, and
It is not the specific shape and proportional sizes for limiting each component of the present invention.Those skilled in the art under the teachings of the present invention, can
Implement the present invention to select various possible shapes and proportional sizes as the case may be.
Fig. 1 is the dimensional structure diagram of the inner tube-free wheel rim of the dismantled and assembled wheel rim of the present invention;
Fig. 2 is the overlooking structure diagram of the inner tube-free wheel rim of the dismantled and assembled wheel rim of the present invention;
Fig. 3 is local section structure of the inner tube-free wheel rim of the dismantled and assembled wheel rim of the present invention in non-installation activity wheel rim
Schematic diagram;
Fig. 4 is the section when inner tube-free wheel rim of the dismantled and assembled wheel rim of the present invention is combined simultaneously installation activity wheel rim with spoke
Structural schematic diagram;
Fig. 5 is the close-up schematic view of Fig. 4.
Reference sign:
1- wheel rim main bodys;2- annular flanges;21- fixed flanges;22- activity wheel rims;221- hooks conjunction portion;3- tyre dismountings are recessed
Slot;31- notches;32- slot bottoms;The first groove sidewalls of 33-;The second groove sidewalls of 34-;The excessive corner portion of the first slot bottoms of 35-;36- first
The excessive corner portion of notch;The excessive corner portion of the second slot bottoms of 37-;The excessive corner portion of the second notches of 38-;4- bcad seats;The first tires of 41-
Ring support;42- second fetus ring supports;5- activity wheel rim mounting grooves;6- valve cocks;7- valve holes;8- spokes;The second slot bottoms of L- are excessive
Corner portion 37 to movable wheel rim mounting groove 5 maximum distance.
Specific implementation mode
With reference to the drawings and the description of the specific embodiments of the present invention, the details of the present invention can clearly be understood.But
It is the specific implementation mode of invention described herein, is only used for explaining the purpose of the present invention, and cannot understands in any way
At being limitation of the present invention.Under the teachings of the present invention, technical staff is contemplated that the arbitrary possible change based on the present invention
Shape, these are regarded as belonging to the scope of the present invention.
As shown in Figures 1 to 5, the inner tube-free wheel rim of dismantled and assembled wheel rim proposed by the present invention includes 1 He of wheel rim main body
Annular flange 2 positioned at 1 both sides of wheel rim main body, annular flange 2 include being located at the fixed flange 21 of 1 side of wheel rim main body and being located at
The movable wheel rim 22 (also referred to as baffle ring) of 1 other side of wheel rim main body.Wherein fixed flange 21 is structure as a whole with wheel rim main body 1, when
So can also it be fixedly connected with mode, such as welding using others as needed, as long as ensureing that fixed flange 21 is fixed on wheel rim
The side of main body 1;What movable wheel rim 22 can be removably mounted is connected with wheel rim main body 1, the tool of movable wheel rim 22 and wheel rim main body 1
Body connection type can be described in more detail below.The tyre dismounting groove for dismounting tire used is equipped with along 1 periphery of wheel rim main body
3,1 outer surface of wheel rim main body between 3 both sides of tyre dismounting groove to fixed flange 21 and movable wheel rim 22 has been correspondingly formed two
Enclose bcad seats 4, i.e., 1 peripheral surface of wheel rim main body between tyre dismounting groove 3 and fixed flange 21 forms the first bcad seats 41,
1 peripheral surface of wheel rim main body between tyre dismounting groove 3 and movable wheel rim 22 forms second fetus ring support 42, wherein the first tire
Ring support 41 is from adjacent fixed flange 21 to 3 direction of tyre dismounting groove in tapered round table-like;Second fetus ring support 42 is by adjacent
Movable wheel rim 22 is cylindrical (i.e. along the central axial direction of wheel rim main body 1) to 3 direction of tyre dismounting groove.
In the present invention, the height and shape of annular flange 2 (including fixed flange 21 and movable wheel rim 22) are preset
Height and shape, the i.e. height and shape of the tyre bead portion of height and the shape tubed tyre corresponding with wheel rim of annular flange 2
Shape is adapted, that is to say, that the height and shape of fixed flange 21 and movable wheel rim 22 meet national standard《Automobile rim specification
Serial GB/T3487-2005》Specified in model rim size and the corresponding fixed flange of shape and movable wheel rim height
And shape.Further, the altitude range of annular flange 2 is 15mm~55mm, and certain annular flange 2 also can be according to actual needs
Take suitable height.
As shown in figure 5, the first bcad seats 41 is in a circular table shape, second fetus ring support 42 is cylindrical, and the relatively horizontal row of the two
The central axis of the central axis and wheel rim main body 1 of cloth, the first round table-like bcad seats 41 and columned second fetus ring support 42
It overlaps, and round table-like the first bcad seats 41, the appearance and size of columned second fetus ring support 42 are corresponding with installed tire
Appearance and size matches so that tire and 41 round table surface of the first bcad seats and the cooperation of 42 face seal of second fetus ring support, without
Increase any sealing medium.
Further, 41 central axis of the first bcad seats intersects with 1 central axis of wheel rim main body, angular range be 2 °~
20°.42 central axis of second fetus ring support and 1 central axis of wheel rim main body overlap or parallel.
As shown in figure 3, correspond in wheel rim main body 1 movable wheel rim 22 position (i.e. relative to fixed flange 21 one
Side) movable wheel rim mounting groove 5 is offered, movable wheel rim 22 is clamped with movable wheel rim mounting groove 5.Since movable wheel rim 22 is in have
The not closed circular of clearance aperture, when mounted, clearance aperture make the circumferential elasticity of movable wheel rim 22 extend out, so that movable wheel rim 22 blocks
Enter in movable wheel rim mounting groove 5, to which realization activity wheel rim 22 and the cooperation of movable wheel rim mounting groove 5 are installed so that castor
Edge 22 is removable to be connected with wheel rim main body 1.It is dismantled and assembled that with wheel rim main body 1 other can also be used in the movable wheel rim 22 of the present invention
Connection type, such as be bolted, pin connection etc., as long as can realize that movable wheel rim 22 can be removably mounted is connected to wheel rim main body
1 side.
Further, movable wheel rim mounting groove 5 is in oblique V-shaped, the bending part of the detachable wheel rim mounting groove 5 of oblique V-shaped
It is arranged far from second fetus ring support 42 so that the hooking that the hook conjunction portion 221 of movable wheel rim 22 can be solid and reliable is pacified in movable wheel rim
In tankage 5 and it is easy to dismount.Movable wheel rim mounting groove can also take the shape of the letter U or other suitable shapes.
As shown in figure 5, tyre dismounting groove 3 is in flared, including notch 31, slot bottom 32 and positioned at slot bottom 32 to notch 31
Between two groove sidewalls, i.e., the second groove sidewall of the first groove sidewall 33 of adjacent first bcad seats 41 and adjacent second fetus ring support 42
34, wherein:The bottom edge of first groove sidewall 33 is connect by the excessive corner portion 35 of the first slot bottom with 32 arc surface transition of slot bottom, and first
The top margin of groove sidewall 33 is connect by the excessive corner portion 36 of the first notch with the 41 arc surface transition of the first bcad seats;Symmetrical,
The bottom edge of second groove sidewall 34 is connect by the excessive corner portion 37 of the second slot bottom with 32 arc surface transition of slot bottom, the second groove sidewall 34
Top margin connect with the 42 arc surface transition of second fetus ring support by the excessive corner portion 38 of the second notch.Tyre dismounting groove 3 is set
Seated position is just so that the maximum distance L of the second slot bottom excessive corner portion 37 to movable wheel rim mounting groove is slightly less than installed wheel
The internal diameter d of tire.In this way, when installing tire on wheel rim, tyre dismounting groove 3 forms certain redundant space, utilizes the redundancy
Space makes tire smoothly be mounted on wheel rim.
As shown in figs. 3 and 5, further, the valve cock for installing valve cock 6 is offered in tyre dismounting groove 3
Hole 7.Preferably, valve hole 7 is opened in the groove sidewall (i.e. the second groove sidewall 34) of 22 side of movable wheel rim, in order to
Valve cock 6 extends to 8 side of spoke outside wheel rim.
In the present invention, the groove depth of tyre dismounting groove 3 ranging from 10mm~30mm;First groove sidewall 33 and the second slot side
The inclination angle of wall 34 is 10 °~60 °;The width of notch 31 is 1 with the width ratio of wheel rim main body 1:5 to 1:Between 2.Certainly, originally
Invention is also not necessarily limited to this to tyre dismounting groove 3, is wanted as long as can be adapted with installed tire size and meet above-mentioned function
The appearance and size and ratio asked are encompassed by within protection scope of the present invention.
Further, the shape of slot bottom 32 can be in plane, can also be in inclined-plane, can also be in cascaded surface, can also be in
Inner concave arc surface, but the present invention can also use other any suitable shapes to the shape of slot bottom 32, as long as playing so that tire
Any slot bottom shape acted on wheel rim is smoothly mounted on to be encompassed by within the scope of the present invention.
The present invention also provides a kind of inner tube-free wheel, which uses the nothing of dismantled and assembled wheel rim as described above
Tyre tube wheel wheel rim.The concrete structure and effect of the inner tube-free wheel rim of dismantled and assembled wheel rim have been described in detail above,
This is repeated no more.
The present invention makes improvement, innovation on the basis of the wheel of existing tubed tyre and wheel rim, has beneficial below
Effect:
1, since the second fetus ring support of the present invention is cylindrical from the movable wheel rim abutted to tyre dismounting groove direction, i.e.,
Second fetus ring support is cylindrical along the central axial direction of the wheel rim main body, second fetus ring support and tire toe (tire and wheel
At rim cooperation) cooperation, play sealing function when the right toe mouth of tire coordinates with wheel rim.Also, since the first bcad seats is in by institute
Fixed flange is stated to tapered round table-like of the tyre dismounting groove so that the first bcad seats is in contact with the tire installed
Portions airtight.
2, high higher than the wheel rims of existing tubeless tyre using the wheel rims height of existing tubed tyre
The characteristics of spending, the present invention use the wheel rims height of existing tubed tyre, shape version, effective protection tire using
When do not fall out wheel rim, improve the security reliability of wheel, and the first bcad seats is from the fixed flange that abuts to tyre dismounting
Groove direction is radially tapered round table-like, ensure that the sealing function when one end fits of the first bcad seats and tire.
3, it since what the movable wheel rim of the present invention can be removably mounted is connected with wheel rim main body, and is equipped with and supplies along wheel rim main body periphery
The tyre dismounting groove of tire used is dismounted, the movable wheel rim elastic construction with clearance aperture, the dismounting of realization activity wheel rim are coordinated
Function, facility when to ensure that tire is packed into or removes wheel rim.
4, since the installation position of the tyre dismounting groove of the present invention makes the excessive corner portion of the second slot bottom to movable wheel rim
The maximum distance L of mounting groove is slightly less than the internal diameter d of installed tubeless tyre.
5, the present invention offers the valve hole for installing valve cock in tyre dismounting groove, ensure that valve cock
Installation.
In conclusion the operation principle of the present invention is that:
It, can be by tire when tire (tire installed can be tubeless tyre, can also be tubed tyre) is installed
Internal diameter one side be first nested into the tyre dismounting groove 3 of wheel rim main body 1, not be inserted in wheel rim main body 1 first on one side, at this time tire
It is inclined, it is slightly less than using the maximum distance L of the second slot bottom excessive corner portion 37 to movable wheel rim mounting groove and is installed
The structure of the internal diameter d of tubeless tyre, the maximum gauge that tire diameter can pass through second fetus ring support 42 install tire
Into in wheel wheel rim main body 1, the setting left and right top corners position diameter of deep trouth (concentric with wheel rim body central axis) size is more than wheel
Tire internal diameter size, therefore before inflation, internal diameter toe mouth (tire bead) both sides and deep trouth top left and right rotation angles (the first notch of tire
The excessive corner portion of excessive 36 and second notch of corner portion 38) both sides have just formd seal chamber, utilize the valve installed in slot side
Mouth realizes aerification function, when inflation tire under gas pressure the continuous sliding motion to the left and right of wheel rim body surface until with wheel rim
Left fixed flange and right movable wheel rim contact, the tire after inflation, by the first bcad seats 41 and second fetus ring support of frustum-like shape
42 ensure that inflation with the left and right tyre bead of tire (toe mouth) cooperation, sealing to which tire forms a seal chamber with wheel rim body
The cavity will not gas leakage afterwards;Inflation/deflation is realized by the valve cock 6 being positioned close in the groove sidewall of 22 side of movable wheel rim;
When detaching tyre, be inverted with installation steps sequence, first using valve cock bleeding a tire, then castor of dismantling
The position of tire two sides and wheel rim body contact is pressed into tyre dismounting groove 3 by edge.First make an emaciated face of tire with crowbar
Wheel rim main body is separated out, at this moment tire occupy heeling condition, similarly, the principle of tire diameter is less than using oblique line size, makes tire
Wheel rim main body is progressively disengaged, tears tire completion open.
For explaining in detail for the respective embodiments described above, purpose, which is only that, explains the present invention, in order to be able to
More fully understand the present invention, still, these descriptions cannot with any explanation at being limitation of the present invention, in particular,
Each feature described in different embodiments mutually can also be combined arbitrarily, to form other embodiment, in addition to having
Opposite description is specified, these features should be understood to can be applied in any one embodiment, and be not limited merely to
Described embodiment.