CN215552280U

CN215552280U - Wheel without inflation

Info

Publication number: CN215552280U
Application number: CN202121031544.6U
Authority: CN
Inventors: 郑建华; 郑杰; 郑娜
Original assignee: Shijiazhuang Nuoli Electric Vehicle Co ltd
Current assignee: Shijiazhuang Nuoli Electric Vehicle Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2022-01-18
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a wheel without inflation, which comprises a wheel hub, an inner rim, an outer rim and an elastic damping ring, wherein the wheel hub is sleeved inside the inner rim and is connected with the inner rim through a plurality of spokes, an annular sliding groove is formed in the outer side of the inner rim, the inner side of the outer rim is positioned in the annular sliding groove, a gap is reserved between the inner side of the outer rim and the bottom of the annular sliding groove, the outer side of the outer rim is positioned outside the annular sliding groove, the left side and the right side of the outer rim are respectively in sliding contact with two side walls of the annular sliding groove, the outer rim is connected with the inner rim through a buffering and damping device, and the inner side of the elastic damping ring is embedded into an annular clamping groove in the outer side of the outer rim. The utility model utilizes the buffer damping device with the elastic damping ring arranged between the inner rim and the outer rim to change the mechanical characteristics of the tire, so that the wheel has good damping effect, the riding comfort of the vehicle is greatly improved, the hidden danger of tire puncture and tire burst does not exist, the safe running of the vehicle can be ensured, and the personal safety of the vehicle riding personnel is ensured.

Description

Wheel without inflation

Technical Field

The utility model relates to a wheel without inflation used on rickshaw, bicycle, electric vehicle, motorcycle and automobile, belonging to the technical field of vehicles.

Background

The wheel is an important part of various vehicles, and has the functions of supporting the vehicle body, buffering external impact, realizing contact with the road surface and ensuring the driving performance of the vehicle. The conventional wheel is provided with an inflatable tire at the outside, the tire generally comprises an inner tube and an outer tube, the inflation of the inner tube mainly plays a role in shock absorption, and the outer tube mainly protects the inner tube to prevent the inner tube from being worn or punctured by hard objects. The wheel has the characteristics of good damping effect, portability, flexibility and the like, and is widely applied to various vehicles. However, the pneumatic tire has the hidden troubles of tire puncture, tire burst and the like, so that the driving safety of the vehicle is affected, and even the driver of the vehicle is possibly injured. In order to avoid the tire burst phenomenon, some wheels adopt solid tires made of elastic materials, and although the wheels can eliminate potential safety hazards such as tire puncture and tire burst, the wheels have poor damping effect and reduce the riding comfort of the vehicle. Therefore, it is necessary to design a wheel with good damping effect and no potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wheel without inflation aiming at the defects of the prior art, so that the driving comfort of a vehicle is ensured, the potential safety hazards of tire puncture, tire burst and the like are thoroughly eliminated, and the personal safety of vehicle drivers is ensured.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a wheel that does not aerify, includes coaxial wheel hub, interior rim, outer rim and elasticity damping ring each other, wheel hub cover is inside and be connected with interior rim through a plurality of spokes including the rim, the outside of interior rim is equipped with annular spout, the inboard of outer rim be located this annular spout and with leave the buffering clearance between the bottom of annular spout, the outside is located the outside of annular spout, the left side and the right side of outer rim respectively with two lateral wall sliding contact of annular spout, be connected through buffering damping device between outer rim and the interior rim, the outside and the ground contact of elasticity damping ring, in the annular clamping groove in the outer rim outside of inboard embedding.

In the above wheel without inflation, the damping device comprises a plurality of damping mechanisms uniformly distributed along the circumferential direction of the inner rim and the outer rim, and each damping mechanism is connected between the inner rim and the outer rim.

In the wheel without inflation, the outer side of the elastic damping ring is provided with the anti-skidding lines, the middle part of the inner side of the elastic damping ring is provided with the annular groove, and the groove is a V-shaped groove or a rectangular groove.

The aforesaid does not have gas filled wheel, buffering damper includes spacing guide bar, buffer spring and stand pipe, the stand pipe is located the inboard of interior rim, the one end and interior rim fixed connection of stand pipe, the directional wheel center of the other end, spacing guide bar loose tube is inside the stand pipe, and the head end of spacing guide bar is connected with outer rim after passing the through-hole on interior rim, buffer spring suit is on spacing guide bar, and buffer spring's head end and stand pipe connection, tail end and spacing guide bar's trailing end connection.

In the wheel without inflation, the middle part of the limiting guide rod is provided with a limiting ring corresponding to the guide pipe.

The above-mentioned wheel that does not inflate, the outside of spacing guide bar and stand pipe all is equipped with the screw thread, is equipped with through screw-thread fit's lock nut in the outside of stand pipe, and buffer spring's head end presss from both sides between lock nut and interior rim, is equipped with through screw-thread fit's adjusting nut at the tail end of spacing guide bar, and buffer spring's tail end card is on adjusting nut.

In the wheel without inflation, the limiting ring is in threaded fit with the limiting guide rod.

The wheel without inflation is characterized in that the buffering and damping mechanism comprises a limiting guide rod, a guide tube, an outer magnet and an inner magnet, the guide tube is located on the inner side of the inner rim, one end of the guide tube is fixedly connected with the inner rim, the other end of the guide tube points to the center of the wheel, the limiting guide rod is loosely sleeved in the guide tube, one end of the limiting guide rod penetrates through a through hole in the inner rim and then is connected with the outer rim, the outer magnet is fixed on the limiting guide rod and attached to the inner side of the outer rim, the inner magnet is fixed on the guide tube, and the like magnetic poles of the outer magnet and the inner magnet are opposite.

In the wheel without inflation, the outer magnet is in threaded fit with the limiting guide rod, and the inner magnet is in threaded fit with the guide tube.

The above-mentioned wheel that does not inflate, buffering damper includes coaxial stand pipe and hydraulic support pole each other, the stand pipe is located the inboard of interior rim, the one end and interior rim fixed connection of stand pipe, the directional wheel center of the other end, the high-pressure tube of hydraulic support pole with fix the leg joint on the stand pipe, the piston rod of hydraulic support pole is connected with outer rim after passing the through-hole on stand pipe and the interior rim, be clearance fit between the piston rod of hydraulic support pole and the stand pipe.

The utility model adopts a double-rim structure, and changes the mechanical property of the tyre by utilizing the buffer damping device with the elastic damping ring arranged between the inner rim and the outer rim, so that the wheel has good damping effect, the riding comfort of the vehicle is greatly improved, the hidden danger of tyre puncture and tyre burst does not exist, the safe running of the vehicle can be ensured, and the personal safety of the vehicle riding personnel can be ensured. In addition, the utility model also has the advantages of reliable operation, convenient maintenance and the like.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of FIG. 1;

fig. 3 is a schematic structural view of a cushion damper mechanism (a first embodiment of the cushion damper mechanism) in fig. 1;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a schematic structural view of a second embodiment of a cushion shock-absorbing mechanism;

FIG. 6 is a schematic structural view of a third embodiment of a cushion damper mechanism;

fig. 7 is a structural schematic view of an elastic damper ring.

The figures are labeled as follows: 1. the automobile wheel comprises an elastic damping ring, 2, an outer wheel rim, 3, an inner wheel rim, 4, spokes, 5, a damping mechanism, 6, a limiting ring, 7, an adjusting nut, 8, a limiting guide rod, 9, a damping spring, 10, a guide pipe, 11, a locking nut, 12, an outer magnet, 13, an inner magnet, 14, a hydraulic support rod, 15, a support, 16, a wheel hub, 17 and a groove.

Detailed Description

The utility model provides a wheel without inflation, which overcomes the defect of poor damping effect of a solid tyre wheel, overcomes the defects of easy tyre puncture, tyre burst and the like of an inflatable wheel, and has the characteristics of good damping effect, small walking resistance, no tyre burst, durability, easy maintenance and the like.

Referring to fig. 1 to 4, the present invention mainly includes an elastic damping ring 1 made of rubber material, an outer rim 2, an inner rim 3, a hub 16, a plurality of spokes 4, and a damping device composed of a plurality of damping mechanisms 5, wherein the inner rim 3, the outer rim 2, and the elastic damping ring 1 are sequentially sleeved outside the hub 16, the plurality of spokes 4 are connected between the hub 16 and the inner rim 3, the plurality of damping mechanisms 5 are connected between the outer rim 2 and the inner rim 3 and uniformly distributed along the circumferential direction of the outer rim 2 and the inner rim 3, an annular chute is provided outside the inner rim 3, and the left side and the right side of the outer rim 2 are respectively in sliding contact with two sidewalls of the annular chute, so as to prevent the outer rim 2 from generating lateral swing relative to the inner rim 3 during the traveling of the vehicle. Leave the buffering clearance between the inboard of outer rim 2 and the bottom of annular spout, the outside is located the outside of annular spout, is connected through a plurality of buffering damper 5 between outer rim 2 and the interior rim 3, and the outside and the ground contact of elasticity damping ring 1, in the annular groove in the inboard 2 outsides of embedding outer rim. The elastic damping ring 1 mainly plays a role in damping and preventing skidding, and anti-skidding lines are arranged at the contact part of the outer side of the elastic damping ring and the ground, so that the friction force between the wheels and the ground is increased, and the wheels and the ground are prevented from skidding. The antiskid lines can be herringbone or other shapes. Buffering damper 5 mainly plays the cushioning effect, and in the vehicle walking process, buffering damper 5 and elasticity damping ring 1 all can take place to warp, produces relative movement between outer rim 2 and the interior rim 3 when buffering damper 5 warp to play the absorbing effect of buffering.

The utility model provides three embodiments of a buffering and damping mechanism 5, and fig. 3 and 4 are a first embodiment of the buffering and damping mechanism 5, in fig. 3 and 4, the buffering and damping mechanism comprises a limiting ring 6, an adjusting nut 7, a limiting guide rod 8, a buffering spring 9, a guide pipe 10 and a locking nut 11, the guide pipe 10 is positioned on the inner side of an inner rim 3, one end of the guide pipe 10 is fixedly connected with the inner rim 3, the other end of the guide pipe points to the center of a wheel, the limiting guide rod 8 is loosely sleeved inside the guide pipe 10, the head end of the limiting guide rod 8 passes through a through hole on the inner rim 3 and then is connected with an outer rim 2, the buffering spring 9 is sleeved on the limiting guide rod 8, the head end of the buffering spring 9 is clamped between the inner rim 3 and the locking nut 11 outside the guide pipe 10, and the tail end of the buffering spring 9 is clamped on the adjusting nut 7 at the tail end of the limiting guide rod 8. In the vehicle walking process, the impact force received by the outer wheel rim 2 is transmitted to the buffer spring 9 through the limiting guide rod 8 and the adjusting nut 7, so that the buffer spring 9 is stretched, the adjusting nut 7 is in threaded fit with the limiting guide rod 8, the pre-stretching amount of the buffer spring 9 can be changed by rotating the adjusting nut 7, and the mechanical characteristics of the wheel are changed.

The limiting guide rod 8 has the functions of transmission and guidance, can limit the moving direction of the outer rim 2 when stressed, and prevents the outer rim 2 from rotating relative to the inner rim 3 by a large angle. The middle part of the limiting guide rod 8 is provided with a limiting ring 6 corresponding to the guide pipe 10, the limiting ring 6 is in threaded fit with the limiting guide rod 8, and the limiting ring 6 is used for preventing the buffer spring 9 from excessively contracting to cause the increase of the gap between the inner side of the outer rim 2 and the inner rim 3.

Fig. 5 shows a second embodiment of the damping mechanism 5, in fig. 5, the damping mechanism includes a limiting guide rod 8, a guide tube 10, an outer magnet 12 and an inner magnet 13, the guide tube 10 is located inside the inner rim 3, one end of the guide tube 10 is fixedly connected with the inner rim 3, the other end of the guide tube points to the center of the wheel, the limiting guide rod 8 is loosely sleeved inside the guide tube 10, one end of the limiting guide rod 8 passes through a through hole on the inner rim 3 and then is connected with the outer rim 2, the outer magnet 12 is fixed on the limiting guide rod 8 and is attached to the inner side of the outer rim 2, the inner magnet 13 is fixed on the guide tube 10, and since like magnetic poles of the outer magnet 12 and the inner magnet 13 are opposite, a repulsive force exists between the two. When the vehicle runs, the outer rim 2 draws close to the inner rim 3 when receiving impact force from the road surface, and simultaneously drives the outer magnet 12 to move towards the inner magnet 13, so that the distance between the outer magnet 12 and the inner magnet 13 is reduced, and the repulsive force is increased. After the impact force disappears, the distance between the two is restored to the initial value, thereby achieving the purpose of buffering and shock absorption.

The outer magnet 12 is in threaded fit with the limiting guide rod 8, and the inner magnet 13 is in threaded fit with the guide tube 10.

Fig. 6 shows a third embodiment of the shock absorbing mechanism 5, in fig. 6, the shock absorbing mechanism includes a guide tube 10 and a hydraulic support rod 14 which are coaxial with each other, the guide tube 10 is located inside the inner rim 3, one end of the guide tube is fixedly connected with the inner rim 3, the other end of the guide tube points to the center of the wheel, a high pressure tube of the hydraulic support rod 14 is connected with a bracket 15 fixed on the guide tube 10 (here, rotationally connected), a piston rod of the hydraulic support rod 14 passes through holes on the guide tube 10 and the inner rim 3 and then is connected with the outer rim 2 (here, rotationally connected), and a clearance fit is formed between the piston rod of the hydraulic support rod 14 and the guide tube 10.

Fig. 7 shows three structures of the elastic damping ring 1, wherein, the inner middle part of the elastic damping ring 1 in fig. 7 (a) has no groove, and the elastic damping ring 1 is suitable for a wider wheel; in the figure 7 (b), the middle part of the inner side of the elastic damping ring 1 is provided with a V-shaped groove 17, namely the cross section of the groove 17 is V-shaped, in the figure 7 (c), the middle part of the inner side of the elastic damping ring 1 is provided with a rectangular groove 17, namely the cross section of the groove 17 is rectangular, the groove 17 has the function of reducing the installation difficulty of the elastic damping ring 1, and the elastic damping ring 1 with the groove 17 is suitable for narrow small-sized wheels.

The utility model overcomes the defects of the traditional wheel, compared with the prior art, the utility model has the characteristics of good damping effect, no tire burst and the like, and can be widely applied to vehicles such as rickshaws, bicycles, motorcycles, tricycles, electric vehicles, cars, trucks, heavy-duty automobiles and the like.

The above embodiments are merely provided for the structural and operational explanation of the present invention, and are not intended to limit the present invention. Any modification, combination, equivalent replacement and improvement made within the technical scheme principle of the utility model belong to the protection scope of the patent of the utility model.

Claims

1. The utility model provides a wheel that does not need aerify, characterized by, includes wheel hub (16), interior rim (3), outer rim (2) and elasticity damping ring (1) coaxial each other, wheel hub (16) cover is inside and be connected with interior rim (3) through a plurality of spoke (4) including rim (3), the outside of interior rim (3) is equipped with annular spout, the inboard of outer rim (2) be located this annular spout and leave the buffering clearance between the bottom of annular spout, the outside is located the outside of annular spout, the left side and the right side of outer rim (2) respectively with two lateral wall sliding contact of annular spout, be connected through buffering damping device between outer rim (2) and interior rim (3), the outside and the ground contact of elasticity damping ring (1), the inboard embedding is in the annular clamping groove in the outer rim (2) outside.

2. A non-inflatable wheel according to claim 1, c h a r a c t e r i z e d in that said shock-absorbing means comprises a plurality of shock-absorbing means (5) evenly distributed around the circumference of the inner rim (3) and the outer rim (2), each shock-absorbing means (5) being connected between the inner rim (3) and the outer rim (2).

3. The wheel without inflation as claimed in claim 2, wherein the elastic damping ring (1) is provided with anti-slip lines on the outer side and an annular groove (17) in the middle of the inner side, and the groove (17) is a V-shaped groove or a rectangular groove.

4. The wheel without inflation as claimed in claim 2 or 3, wherein the damping mechanism (5) comprises a limiting guide rod (8), a buffer spring (9) and a guide tube (10), the guide tube (10) is located on the inner side of the inner rim (3), one end of the guide tube (10) is fixedly connected with the inner rim (3), the other end of the guide tube points to the center of the wheel, the limiting guide rod (8) is loosely sleeved inside the guide tube (10), the head end of the limiting guide rod (8) passes through a through hole in the inner rim (3) and then is connected with the outer rim (2), the buffer spring (9) is sleeved on the limiting guide rod (8), the head end of the buffer spring (9) is connected with the guide tube (10), and the tail end of the buffer spring is connected with the tail end of the limiting guide rod (8).

5. A non-inflatable wheel according to claim 4, characterized in that the middle of the limit guide rod (8) is provided with a limit ring (6) corresponding to the guide tube (10).

6. The non-inflatable wheel as claimed in claim 5, wherein the limiting guide rod (8) and the guide tube (10) are provided with threads on the outer portions, the guide tube (10) is provided with a locking nut (11) matched with the threads on the outer portion, the head end of the buffer spring (9) is clamped between the locking nut (11) and the inner rim (3), the tail end of the limiting guide rod (8) is provided with an adjusting nut (7) matched with the threads, and the tail end of the buffer spring (9) is clamped on the adjusting nut (7).

7. A non-inflatable wheel according to claim 6, characterized in that the stop collar (6) is screw-threaded with the stop guide rod (8).

8. The wheel without inflation of claim 7, wherein the buffering and shock-absorbing mechanism comprises a limiting guide rod (8), a guide tube (10), an outer magnet (12) and an inner magnet (13), the guide tube (10) is located on the inner side of the inner rim (3), one end of the guide tube (10) is fixedly connected with the inner rim (3), the other end of the guide tube points to the center of the wheel, the limiting guide rod (8) is loosely sleeved inside the guide tube (10), one end of the limiting guide rod (8) penetrates through a through hole in the inner rim (3) and then is connected with the outer rim (2), the outer magnet (12) is fixed on the limiting guide rod (8) and attached to the inner side of the outer rim (2), the inner magnet (13) is fixed on the guide tube (10), and like magnetic poles of the outer magnet (12) and the inner magnet (13) are opposite.

9. A wheel without inflation according to claim 8, wherein the outer magnet (12) is in threaded engagement with the limiting guide rod (8), and the inner magnet (13) is in threaded engagement with the guide tube (10).

10. The wheel without inflation as claimed in claim 2 or 3, wherein the damping mechanism comprises a guide tube (10) and a hydraulic support rod (14) which are coaxial with each other, the guide tube (10) is located on the inner side of the inner rim (3), one end of the guide tube (10) is fixedly connected with the inner rim (3), the other end of the guide tube points to the center of the wheel, a high-pressure tube of the hydraulic support rod (14) is connected with a bracket (15) fixed on the guide tube (10), a piston rod of the hydraulic support rod (14) passes through holes on the guide tube (10) and the inner rim (3) and then is connected with the outer rim (2), and the piston rod of the hydraulic support rod (14) is in clearance fit with the guide tube (10).