CN115489227A - Non-inflatable wheel - Google Patents
Non-inflatable wheel Download PDFInfo
- Publication number
- CN115489227A CN115489227A CN202211014142.4A CN202211014142A CN115489227A CN 115489227 A CN115489227 A CN 115489227A CN 202211014142 A CN202211014142 A CN 202211014142A CN 115489227 A CN115489227 A CN 115489227A
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- Prior art keywords
- wheel
- rubber
- rings
- hub
- ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C7/00—Non-inflatable or solid tyres
- B60C7/10—Non-inflatable or solid tyres characterised by means for increasing resiliency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a non-inflatable wheel, which comprises rubber from outside to inside
A wheel, a mechanical connection assembly, and a hub. The mechanical connecting component is a mechanical hinge group, a flexible buffer wheel, or a shock-absorbing mechanism group, or a combination of the mechanical hinge group, the flexible buffer wheel and the shock-absorbing mechanism group. The invention replaces the traditional inflation structure, has the characteristics of puncture prevention, explosion prevention and shock insulation, solves the technical problems of explosion prevention, high bearing capacity, vehicle running smoothness and the like of the attack tire, and has wide application prospect.
Description
Technical Field
The invention relates to the technical field of safety tires, in particular to a non-pneumatic wheel.
Background
The safety and the durability are the most basic requirements of tire design, the traditional inflatable rubber tire has poor puncture resistance, and the dangers of air leakage, tire burst and the like easily occur during working under long time or severe conditions, thereby forming a great threat to the life and property safety of drivers and pedestrians. Accordingly, non-pneumatic safety wheels are currently a focus of research. At present, most non-pneumatic tires are made of rubber or high polymer materials, and various supports with special structures are designed and utilized to play a role in bearing and buffering, but the load bearing capacity of the non-pneumatic tires is low; the bearing capacity of the non-pneumatic tire supported by the mechanical structure is improved, but two problems exist, namely, the radial rigidity is high, and the smoothness of the vehicle and the driving comfort are low. Secondly, the shock absorption and isolation effect is not good, and the smoothness and the maneuverability of the automobile are further influenced.
Disclosure of Invention
The invention aims to solve the problems in the prior art, provides a non-inflatable wheel, replaces a traditional inflatable structure, has the characteristics of puncture prevention, explosion prevention and shock insulation, solves the technical problems of explosion prevention, high bearing capacity, vehicle running smoothness and the like of a run-on tire, and has wide application prospect.
The invention comprises rubber
Wheel (1), mechanical connection assembly and hub (4), rubber
The wheels (1) are in direct contact with the ground, and the mechanical connecting components are uniformly distributed on
Between the wheel (1) and the hub (3).
One possible solution is that the mechanical connection assembly is a mechanical hinge group (2) and a flexible buffer wheel (3);
the rubber is
The wheel (1) comprises a rubber tread and an upper elastic ring frame wrapped inside the rubber tread, and rubber
The wheel (1) is connected with the flexible buffer wheel (3) through a mechanical hinge group (2);
the mechanical hinge group (2) comprises m hinge pieces (6) which are arranged at equal angles in the circumferential direction;
the flexible buffer wheel (3) is composed of a flexible supporting body and a lower elastic ring frame wrapped inside the flexible supporting body, and the flexible buffer wheel (3) is installed on the wheel hub (4) in an interference fit mode.
The upper elastic ring frame consists of n upper elastic rings (8) which are transversely and uniformly arranged and upper clamping rings (5) which are circumferentially arranged at equal angles, and the number of the upper clamping rings is matched with the number m of the hinged parts (6); each upper snap ring is provided with a slotted hole the number of which is matched with the number n of the upper elastic rings, and the upper elastic rings penetrate through the slotted holes on the upper snap rings to be fixedly connected into the upper elastic ring frame; each upper snap ring is provided with convex clamping holes matched with the quantity of the articulated elements, and the installation of the upper snap ring ensures that the convex clamping holes are positioned in the rubber
Inside the wheel (1).
N is a natural number between 5 and 8, and m is a natural number between 12 and 18.
The flexible supporting body is made of a polyurethane material and comprises an outer insulating layer, an intermediate layer and an inner insulating layer, the lower elastic ring frame is wrapped inside the outer insulating layer, the intermediate layer is of a honeycomb structure, and the inner insulating layer is in direct contact with the hub (4).
The lower elastic ring frame consists of n lower elastic rings (9) which are transversely and uniformly arranged and m lower clamping rings (7) which are circumferentially arranged at equal angles, and the number of the lower clamping rings is matched with the number m of the hinged parts (6); each lower snap ring is provided with a slotted hole the number of which is matched with that of the upper elastic rings, and the lower elastic rings penetrate through the slotted holes on the lower snap rings to be fixedly connected into the upper elastic ring frame; each lower clamping ring is provided with convex clamping holes matched with the quantity of the hinged parts, and the lower clamping rings are arranged to enable the convex clamping holes to be in the rubber
And each hinged part (6) is hinged with the upper snap ring (5) and the lower snap ring (7) through a pin, a bolt and a nut.
In another possible solution, the mechanical connection assembly is a vibration isolation mechanism group (10 The shock insulation mechanisms in the shock insulation mechanism group (10) are circumferentially and uniformly distributed in rubber
Between the wheel (1) and the hub (4); each shock isolation mechanism in the shock isolation mechanism group (10) comprises a diamond structure and a spring (11), wherein the diamond structure is composed of four equal-length chains, the two ends of the spring (11) are fixedly connected with the left end and the right end of the diamond structure, the lower end of the diamond structure is connected with a hub (11) in a linked mode, and the upper end of the diamond structure is connected with rubber
The wheels (1) are linked.
The rubber is
The inner ring of the wheel (1) and the outer ring of the wheel hub (4) are both provided with connecting holes for connecting chains, rubber
The number of the connecting holes of the inner ring of the wheel (1), the number of the connecting holes of the outer ring of the wheel hub (4) and the number of the diamond structures in the shock insulation mechanism group (10) are consistent.
The rubber is
The wheel (1) comprises an elastic ring framework and a rubber layer, wherein the elastic ring framework is embedded in the rubber layer, and the rubber layer is subjected to vulcanization treatment; each chain is connected with the adjacent chain through pins, bolts and nuts, and the joints form chain links.
The shock insulation mechanism is characterized in that the elastic ring framework is provided with protruding clamping holes, the number of the protruding clamping holes is matched with the number of the diamond structures of the shock insulation mechanism group (10), and the upper end of each diamond structure in the shock insulation mechanism group (10) is connected with the protruding clamping holes.
The invention has the beneficial effects that:
1. rubber composition
The non-inflatable mechanical structure with discontinuous radial rigidity distribution, which is connected with the wheel, the mechanical hinge group and the flexible buffer wheel, replaces the traditional inflatable structure and has the characteristics of puncture prevention and explosion prevention.
2. Under the novel structure, the hinge group of the non-contact area between the tire and the ground is in a stretching state, the hinge group in the contact area is in a free bending state, and the bearing capacity of the wheel is further enhanced.
3. The flexible supporting body with the honeycomb structure can reduce the impact transmitted to the suspension and the vehicle body from the road surface, play a role in buffering and damping and improve the driving smoothness of the vehicle.
4. The anti-explosion and high-load-bearing anti-explosion tire has wide application prospect for the technical problems of explosion prevention, high load bearing, vehicle driving smoothness and the like of the anti-explosion tire.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 shows a rubber composition according to an embodiment of the present invention
A schematic wheel structure;
FIG. 3 is a schematic view of a flexible buffer wheel according to an embodiment of the present invention;
FIG. 4 is a schematic view of a single hinge member of the present embodiment articulating with upper and lower clasps;
FIG. 5 shows rubber of example one
The wheel is connected with an upper elastic ring frame and a lower elastic ring frame which are wrapped inside the flexible buffer wheel.
FIG. 6 is a perspective view of a second embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a two-wheel vehicle according to an embodiment of the present invention;
FIG. 8 is a schematic view of a second seismic isolation mechanism according to an embodiment of the present invention;
FIG. 9 shows a second embodiment of the present invention
The wheel structure is schematic.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example one
The embodiment provides a non-pneumatic wheel of high performance, and this kind of wheel has adopted the structure that elastic rubber, mechanical structure and flexible support body of macromolecular material combine, has replaced traditional pneumatic tire, not only has the basic function of non-pneumatic tire such as explosion-proof, puncture-proof, leak protection gas, still has advantages such as high bearing, the ride comfort is good.
The specific structure of the non-pneumatic mechanical wheel is shown in figure 1 and comprises rubber
The wheel comprises a wheel 1, a mechanical hinge group 2, a flexible buffer wheel 3 and a hub 4; rubber composition
The wheel 1 is connected with the flexible buffer wheel 3 through the mechanical hinge group 2, the mechanical hinge group 2 is composed of m hinge parts 6 which are arranged at equal angles in the circumferential direction, and the flexible buffer wheel 3 is arranged on the wheel hub 4 through interference fit.
Specifically, rubber
The wheel 1 is in direct contact with the ground, and is structurally shown in figure 2 and comprises a rubber tread and a rubber coatingAn upper elastic ring frame inside. The technological process includes embedding the upper elastic ring frame into rubber, sulfurizing and forming. The upper elastic ring frame can be made of metal or nonmetal or composite materials and consists of n upper elastic rings 8 which are transversely and uniformly arranged and m upper clamping rings 5 which are circumferentially arranged at equal angles. Each upper snap ring 5 is provided with a slotted hole the number of which is matched with that of the upper elastic ring, and the upper elastic ring passes through the slotted hole of the upper snap ring and is fixedly connected into an upper elastic ring frame; each upper snap ring is also provided with convex clamping holes matched with the quantity of the articulated elements, and the upper snap ring 5 is arranged to ensure that the convex clamping holes are positioned in the rubber
Inside the wheel 1;
the flexible buffer wheel 3 is composed of a flexible support body and a lower elastic ring frame, and the specific structure is shown in figure 3. The flexible supporting body is made of polyurethane materials and can be divided into an outer insulating layer, a middle layer and an inner edge layer, the lower elastic ring frame is wrapped inside the outer insulating layer, the middle layer is of a honeycomb structure and plays a role in buffering and vibration reduction while bearing, and the inner insulating layer is in direct contact with the hub 4. The lower elastic ring frame is also composed of n lower elastic rings 9 which are transversely and uniformly arranged and m lower clamping rings 7 which are circumferentially arranged at equal angles, the lower elastic rings and the lower clamping rings 7 are the same as the upper elastic rings and the upper clamping rings in structure, the lower clamping rings 7 are arranged to enable the convex clamping holes to be arranged on the outer sides of the flexible buffer wheels 3, and as shown in fig. 4, each hinge part 6 is hinged with the upper clamping rings and the lower clamping rings through pins, bolts and nuts.
Specifically, as shown in FIG. 5, rubber
The wheel is connected with an upper elastic ring frame snap ring and a lower elastic ring frame snap ring which are wrapped inside the flexible buffer wheel by a hinge element.
In the practical application of the present invention, the specific number n of the elastic rings and the specific number m of the hinge members need to be designed according to the strength and thickness of the upper and lower snap rings and the hinge members, and the specification and load of the wheel. In a preferred scheme, n is 5-8, m is 12-18;
as a further preferable scheme of the invention, in the embodiment, n is 5, m is 18;
in the preferred scheme of the embodiment, the length of the hinge piece is more than 3% -5% of the distance between the connecting holes of the upper snap ring and the lower snap ring.
Example two
A non-inflatable elastic wheel is composed of rubber
Wheel 1, shock-absorbing mechanism group 10, wheel hub 4 and spring 11.
As shown in fig. 6 and 7, rubber
The wheel 1 is connected with the wheel hub 4 through the shock insulation mechanism group 10, and the shock insulation mechanisms in the shock insulation mechanism group 2 are evenly distributed on the rubber in the circumferential direction
Between the wheel 1 and the hub 4; as shown in fig. 3, each shock isolation mechanism in the shock isolation mechanism group 2 is composed of a diamond structure composed of four equal-length chains and a spring 11 as shown in fig. 8, wherein two ends of the spring 11 are fixedly connected with the left end and the right end of the diamond structure, the lower end of the diamond structure is connected with the hub 3, and the upper end of the diamond structure is connected with the rubber
The wheels 1 are linked.
In particular, rubbers
The inner ring of the wheel 1 and the outer ring of the hub 4 are both provided with connecting holes for connecting chains and rubber
The number of the connecting holes of the inner ring of the wheel 1 and the number of the connecting holes of the outer ring of the wheel hub 4 are consistent with the number of the rhombic structures in the shock insulation mechanism group 10.
As shown in fig. 6 and 7, each chain in the shock-absorbing mechanism group 2 is connected to each link through a pin, a bolt and a nut, so that the mounted chain can rotate in the connecting hole.
In the present invention, rubber
The wheel 1 is composed of an elastic ring framework and rubber, wherein the elastic ring framework is embedded into a rubber layer, and the rubber layer is subjected to vulcanization treatment. As shown in fig. 9, the solid line structure is an elastic ring framework, the dotted line region is rubber wrapping the elastic ring framework, and the process flow is to embed the elastic ring framework into the rubber, and then to perform vulcanization treatment and molding. Wherein, the elastic ring framework can be made of metal or nonmetal or composite materials.
The shock insulation mechanism group 10 is characterized in that the elastic ring framework is provided with protruding clamping holes, the number of the protruding clamping holes is matched with the number of the diamond structures of the shock insulation mechanism group 10, and the upper end of each diamond structure of the shock insulation mechanism group 10 is connected with the protruding clamping holes. During running, the rubber is driven
The mechanism of the wheel 1 is a seismic isolation mechanism group 10.
The invention provides a radial shock-insulation non-inflatable elastic wheel, which comprises
Wheel, shock-proof mechanism group, wheel hub and spring structure. The most important of which is that of using
The multiple buffering vibration isolation structure composed of the wheels and the vibration isolation mechanism group replaces the buffering vibration attenuation design of the traditional pneumatic tire. Among them, in the above-mentioned case,
the wheel adopts the elastic ring framework and the wrapping rubber, so that the problem that the traditional tire needs to be inflated is avoided.
EXAMPLE III
The first embodiment and the second embodiment are combined, and the vibration isolation mechanism group 10 in the second embodiment is added to the second embodiment 1, so that the technical effects of the two embodiments are achieved.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, as for the apparatus embodiment, the above description is only a preferred embodiment of the present invention, and since it is substantially similar to the method embodiment, the description is relatively simple, and in relevant places, reference may be made to the partial description of the method embodiment. The above description is only for the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the protection scope of the present invention should be covered by the principle of the present invention without departing from the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (10)
1. A non-pneumatic wheel, characterized by: comprising rubber
Wheel (1), mechanical connection assembly and hub (4), rubber
The wheels (1) are in direct contact with the ground, and the mechanical connecting components are uniformly distributed on
Between the wheel (1) and the hub (3).
2. A non-pneumatic wheel as set forth in claim 1, wherein: the mechanical connecting assembly comprises a mechanical hinge group (2) and a flexible buffer wheel (3);
the rubber is
The wheel (1) comprises a rubber tread and an upper elastic ring frame wrapped inside the rubber tread, and the rubber
The wheel (1) is connected with the flexible buffer wheel (3) through a mechanical hinge group (2);
the mechanical hinge group (2) comprises m hinge pieces (6) which are arranged at equal angles in the circumferential direction;
the flexible buffer wheel (3) is composed of a flexible supporting body and a lower elastic ring frame wrapped inside the flexible supporting body, and the flexible buffer wheel (3) is installed on the wheel hub (4) in an interference fit mode.
3. A non-pneumatic wheel as set forth in claim 2, wherein: the upper elastic ring frame consists of n upper elastic rings (8) which are transversely and uniformly arranged and upper clamping rings (5) which are circumferentially arranged at equal angles, and the number of the upper clamping rings is matched with the number m of the hinged parts (6); each upper snap ring is provided with a slotted hole the number of which is matched with the number n of the upper elastic rings, and the upper elastic rings penetrate through the slotted holes on the upper snap rings to be fixedly connected into the upper elastic ring frame; each upper clamping ring is provided with convex clamping holes matched with the quantity of the hinged parts, and the upper clamping rings are installed to enable the convex clamping holes to be located in the rubber
Inside the wheel (1).
4. A non-pneumatic wheel as claimed in claim 3, wherein: n is a natural number between 5 and 8, and m is a natural number between 12 and 18.
5. A non-pneumatic wheel as set forth in claim 2, wherein: the flexible supporting body is made of a polyurethane material and comprises an outer insulating layer, an intermediate layer and an inner insulating layer, the lower elastic ring frame is wrapped inside the outer insulating layer, the intermediate layer is of a honeycomb structure, and the inner insulating layer is in direct contact with the hub (4).
6. A non-pneumatic wheel as claimed in claim 5, wherein: the lower elastic ring frame is formed by n pieces of lower elastic pieces which are transversely and uniformly arrangedThe linear ring (9) and m lower clamping rings (7) which are arranged at equal angles in the circumferential direction, wherein the number of the lower clamping rings is matched with the number m of the hinged parts (6); each lower snap ring is provided with a slotted hole the number of which is matched with that of the upper elastic rings, and the lower elastic rings penetrate through the slotted holes on the lower snap rings to be fixedly connected into the upper elastic ring frame; each lower clamping ring is provided with convex clamping holes matched with the quantity of the hinged parts, and the lower clamping rings are arranged to enable the convex clamping holes to be in the rubber
And each hinged part (6) is hinged with the upper snap ring (5) and the lower snap ring (7) through a pin, a bolt and a nut at the outer side of the wheel (1).
7. A non-pneumatic wheel as set forth in claim 1, wherein: the mechanical connecting assembly is a shock insulation mechanism group (10), and shock insulation mechanisms in the shock insulation mechanism group (10) are circumferentially and uniformly distributed in rubber
Between the wheel (1) and the hub (4); each shock isolation mechanism in the shock isolation mechanism group (10) comprises a diamond structure and a spring (11), wherein the diamond structure is composed of four equal-length chains, the two ends of the spring (11) are fixedly connected with the left end and the right end of the diamond structure, the lower end of the diamond structure is connected with a hub (11) in a linked mode, and the upper end of the diamond structure is connected with rubber
The wheels (1) are linked.
8. A non-pneumatic wheel as set forth in claim 7, wherein: the rubber is
The inner ring of the wheel (1) and the outer ring of the wheel hub (4) are both provided with connecting holes for connecting chains, and rubber
The number of the connecting holes of the inner ring of the wheel (1), the number of the connecting holes of the outer ring of the wheel hub (4) and the number of the diamond structures in the shock insulation mechanism group (10) are consistent.
9. A non-pneumatic wheel as set forth in claim 7, wherein: the rubber is
The wheel (1) comprises an elastic ring framework and a rubber layer, wherein the elastic ring framework is embedded into the rubber layer, and the rubber layer is subjected to vulcanization treatment; each chain is connected with the adjacent chain through pins, bolts and nuts, and the joints form chain links.
10. A non-pneumatic wheel as set forth in claim 1, wherein: the shock insulation mechanism is characterized in that the elastic ring framework is provided with protruding clamping holes, the number of the protruding clamping holes is matched with the number of the diamond structures of the shock insulation mechanism group (10), and the upper end of each diamond structure in the shock insulation mechanism group (10) is connected with the protruding clamping holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211014142.4A CN115489227A (en) | 2022-08-23 | 2022-08-23 | Non-inflatable wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211014142.4A CN115489227A (en) | 2022-08-23 | 2022-08-23 | Non-inflatable wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115489227A true CN115489227A (en) | 2022-12-20 |
Family
ID=84465725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211014142.4A Pending CN115489227A (en) | 2022-08-23 | 2022-08-23 | Non-inflatable wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115489227A (en) |
-
2022
- 2022-08-23 CN CN202211014142.4A patent/CN115489227A/en active Pending
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