CN209955653U - Shock-absorbing wheel - Google Patents

Abstract

The utility model discloses a shock attenuation wheel, including wheel hub, the wheel rim, and the multiunit damper of swing joint between wheel rim and wheel hub, damper includes the telescopic link that is the contained angle setting with the radial of wheel rim, and the first backplate of elastic connection on the wheel rim, the second backplate, first backplate contacts at first effect portion with the telescopic link, offset it to the first direction, second backplate contacts at second effect portion with the telescopic link, offset it to the second direction, this first direction and second opposite direction, and be on a parallel with wheel rim place plane, first effect portion and second effect position are on the same radial cross section of telescopic link. The utility model discloses simple structure, first backplate and second backplate elastic connection play the cushioning effect in damper's both sides to the telescopic link, under damper's prerequisite is not increased, realize the guard action to damper's telescopic link, reduce the telescopic link in the deflection of other directions, reach good shock attenuation effect.

Description

Shock-absorbing wheel

Technical Field

The utility model belongs to the technical field of the wheel, especially, relate to a shock attenuation wheel.

Background

Along with the reinforcing of environmental protection consciousness, more and more people advocate the trip mode of using more energy-concerving and environment-protective such as bicycle, in order to improve the travelling comfort of riding of bicycle, can install damping device additional on the bicycle usually, if replace front fork and back vent with the bumper shock absorber, perhaps install the bumper shock absorber in the middle of the frame, but above-mentioned two kinds of modes all have the shortcoming, and the absorbing effect is limited, still can arouse the health discomfort after riding for a long time.

In order to solve the above problems, chinese patent CN 206186667 discloses an air pressure spoke type shock absorption wheel, which can effectively make up the deficiency of spokes through an air pressure telescopic rod, and realize high-efficiency shock absorption on a rugged road. However, when the diameter of the wheel is large, if the pneumatic telescopic rod is thin, the stability of the pneumatic telescopic rod cannot be guaranteed well.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a shock attenuation is effectual, forms good guard action to the shock attenuation unit, rides comfortable shock attenuation wheel.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a shock attenuation wheel, includes wheel hub, wheel rim, and swing joint in the multiunit damper between wheel rim and wheel hub, damper includes the telescopic link that is the contained angle setting with the radial of wheel rim, and elastic connection is first backplate, second backplate on the wheel rim, first backplate contacts with the telescopic link in first effect portion, offsets it to first direction, second backplate contacts with the telescopic link in second effect portion, offsets it to the second direction, and this first direction is opposite with the second direction, and is on a parallel with wheel rim place plane, first effect portion and second effect portion are located the same radial cross section of telescopic link.

The utility model discloses adopting a plurality of damper assembly to connect between wheel rim and wheel hub, when realizing the buffering shock attenuation to the wheel, still having carried out the buffering protection to each damper assembly's telescopic link, namely first backplate and second backplate pass through elasticity butt telescopic link, convert damper assembly's radial impact force into the revolving force, reduce damper assembly except the rocking in other directions of radial skew, under the condition of not increasing damper assembly, reached better shock attenuation effect; because the first guard plate and the second guard plate are positioned at the same height of the telescopic rod with the action part abutted against the telescopic rod, the supporting structure of the telescopic rod is more stable.

Furthermore, the wheel rim is a hollow annular structure, a through mounting hole is formed in the wheel rim, and the first protection plate is elastically connected with the wheel rim through the connecting assembly.

Furthermore, coupling assembling includes that it stretches into the mounting hole perpendicularly and rather than the complex sleeve that splines for the first fastener of fixed sleeve and wheel rim, the telescopic elastic component is located to the cover, and is used for the second fastener of fixed sleeve and elastic component, elastic component one end offsets with the sleeve, and the other end and first backplate looks butt. The connecting assembly is simple in overall structure, and the connecting structure of the first guard plate, the second guard plate and the connecting assembly is stable.

Furthermore, a convex part which is vertically protruded from the inner wall is arranged in the mounting hole, and the elastic part is a torsion spring; the sleeve is hollow structure, and its outer wall is equipped with can with mounting hole complex neck, the external screw thread section that is located the neck both sides, the internal thread section that is located the tip, the draw-in groove that supplies the convex part to stretch into, and the slot that supplies elasticity spare one end card to go into. The connecting assembly is located the mutual symmetry of structure of wheel rim both sides for first backplate is more steady effective to the bearing structure of telescopic link.

Furthermore, the first guard plate is of a U-shaped structure, and two free ends of the first guard plate are respectively sleeved in the two ends of the sleeve and then are elastically connected with the first torsion spring and the second torsion spring.

Furthermore, a groove for the end part of the sleeve to extend into is formed on the free end, and one end of the first torsion spring is abutted against the inner wall of the groove.

Furthermore, a connecting piece is arranged on the inner side of the wheel rim, and one end of the telescopic rod is rotatably connected with the connecting piece.

Furthermore, the connecting piece is an arc-shaped section extending along the circumferential direction of the inner wall of the rim.

Furthermore, a plurality of openings are formed in the connecting piece. The holing reduces the whole weight of the rim while ensuring that the arc-shaped section plays a role in reinforcing the rim.

The utility model has the advantages that: simple structure, first backplate and second backplate elastic connection play the cushioning effect in damper's both sides to the telescopic link, under damper's prerequisite not increasing, realize the guard action to damper's telescopic link, reduce the telescopic link in the deflection of other directions, guarantee the telescopic link with the ascending activity of wheel hub tangential direction, reach good shock attenuation effect.

Drawings

Fig. 1 is a schematic side view of the present invention.

Fig. 2 is a schematic view of the matching structure of the telescopic rod with the first and second protection plates.

Fig. 3 is a schematic view of an assembly structure of the rim and the first guard plate according to the present invention.

Fig. 4 is a schematic structural view of the rim of the present invention.

Fig. 5 is an enlarged view of a structure in fig. 4.

Fig. 6 is a schematic structural diagram of the first guard plate of the present invention.

Fig. 7 is the utility model discloses coupling assembling's post-assembly structure sketch map.

Fig. 8 is an exploded schematic view of the connection assembly of the present invention.

Fig. 9 is a schematic structural view of the sleeve of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in fig. 1-9, a shock-absorbing wheel includes a hub 1 located at the center, a rim 2 in a hollow annular structure, and a plurality of shock-absorbing assemblies 3 movably connected between the rim 2 and the hub 1, in this embodiment, the number of the shock-absorbing assemblies 3 is three, and the shock-absorbing assemblies are uniformly arranged along the circumferential direction of the rim 2. Damping component 3 includes that one end and wheel hub 1 rotate the telescopic link 31 that links to each other, the other end and wheel rim 2 rotate and link to each other, and elastic connection is first backplate 41, second backplate 42 on wheel rim 2, and the axis of telescopic link 31 is the contained angle setting with the warp of wheel rim 2.

As shown in fig. 2, the first guard plate 41 contacts against the first acting portion 311 of the telescopic rod 31, the first guard plate 41 exerts a force F1 on the telescopic rod 31 in a first direction indicated by an arrow, and the first acting portion 311 may have a point structure or a surface structure; the second guard plate 42 contacts against the second acting part 312 of the telescopic rod 31, the second guard plate 42 exerts a force F2 on the telescopic rod 31 in a second direction indicated by another arrow, and the second acting part 312 may be a point structure or a surface structure; the first acting part 311 and the second acting part 312 are positioned on the same radial section of the telescopic rod 31; the acting force F1 in the first direction and the acting force F2 in the second direction are opposite in direction and are located at the same horizontal level, the horizontal planes of the acting forces F1 and F2 are parallel to the horizontal plane of the rim 2, and the first protection plate 41 and the second protection plate 42 hold the telescopic rod 31 from two sides in the direction parallel to the rim 2 to provide a supporting function for the telescopic rod.

The rim 2 is provided with a plurality of mounting holes 21 penetrating through the side wall thereof, and the first guard plate 41 is elastically connected to the mounting holes 21 of the rim 2 through the connecting assembly. Specifically, the connecting assembly 5 includes a sleeve 51 vertically extending into the mounting hole 21, a locking groove 514 axially extending along the sleeve 51 is formed on the sleeve 51, a protrusion 211 is vertically protruded on the inner wall of the mounting hole 21, and the protrusion 211 just slides in along the locking groove side wall 514 until the protrusion 211 abuts against the bottom of the locking groove 514. The sleeve 51 is a hollow structure, the central portion of the sleeve is a neck 511 with a smooth outer wall, external thread sections 512 and 516 are respectively and symmetrically formed on two sides of the neck 511, internal thread sections 513 and 517 are respectively formed on two ends of the sleeve body 51, and the clamping groove 514 penetrates through the internal thread section 517, the external thread section 516 and the neck 511, so that the sleeve 51 can be symmetrically distributed by taking the rim 2 as the center. When the sleeve 51 extends into the mounting hole 21 and the protrusion 211 extends into the bottom of the locking groove 514, the neck 511 is located just inside the mounting hole 21, that is, the length of the neck 511 is equal to the thickness of the mounting hole 21, and the protrusion 211 plays a role in rotation stopping. First fastening members 52, 521 are screwed and fixed to the external threaded sections 512, 516 on both sides, respectively, to thereby firmly fix the sleeve 51 to the rim 2. The elastic part 53 is respectively sleeved on two sides of the sleeve 51, namely, the areas corresponding to the internal thread sections 513 and 517, the elastic part 53 comprises a first torsion spring 531 and a second torsion spring 532, a groove 515 is formed in the outer wall of the internal thread section 513, similarly, a groove 518 is also formed in the outer wall of the internal thread section 517, one end of the first torsion spring 531 is clamped into the groove 515 to realize the abutting with the sleeve 51, and one end of the second torsion spring 532 is clamped into the groove 518 to realize the abutting with the sleeve 51.

The first protection plate 41 is substantially U-shaped, the internal thread sections 513, 517 on two sides of the sleeve 51 are respectively sleeved into two free ends of the first protection plate 41, and then two second fasteners 54, 541 respectively pass through the openings 413, 414 of the two free ends and are in threaded connection with the internal thread sections 513, 517 of the sleeve 51, at this time, the other end of the first torsion spring 531 abuts against the groove 412 on the inner side of one free end, the other end of the second torsion spring 532 abuts against the groove (not shown) on the inner side of the other free end, so as to achieve elastic connection between the first protection plate 41 and the connection assembly, and at this time, the closed end of the first protection plate 41 is in point contact with the outer wall of the telescopic rod 31.

The structure of the second guard plate 41 is the same as that of the first guard plate 41, the rim 2 is also provided with mounting holes, and the elastic connection between the second guard plate 41 and the rim 2 is realized through a connecting assembly with the same structure, and the specific structure is not described again.

In order to increase the strength of the rim 2, the connecting member 22 is disposed on the inner side of the rim 2, one end of the telescopic rod 31 is rotatably connected to the connecting member 22, the connecting member is an arc-shaped segment structure extending along the circumferential direction on the inner ring side wall of the rim 2, and the connecting member 22 is uniformly provided with a plurality of circular openings 221 along the circumferential direction in order to reduce the overall weight of the rim 2.

The above detailed description is provided for illustrative purposes, and is not intended to limit the present invention, and any modifications and variations of the present invention are within the spirit and scope of the following claims.

Claims (9)

1. A shock absorbing wheel characterized by: including wheel hub (1), wheel rim (2), and swing joint in multiunit damper (3) between wheel rim (2) and wheel hub (1), damper (3) include radially be telescopic link (31) that the contained angle set up with wheel rim (2), and elastic connection first backplate (41), second backplate (42) on wheel rim (2), first backplate (41) contact at first effect portion (311) with telescopic link (31), offset it to first direction, second backplate (42) contact at second effect portion (312) with telescopic link (31), offset it to the second direction, this first direction and second direction are opposite, and are on a parallel with wheel rim (2) place plane, first effect portion (311) and second effect portion (312) are located the same radial cross section of telescopic link (31).

2. The shock absorbing wheel as set forth in claim 1, wherein: the wheel rim (2) is of a hollow annular structure, a through mounting hole (21) is formed in the wheel rim, and the first protection plate (41) is elastically connected with the wheel rim (2) through the connecting component (5).

3. The shock absorbing wheel as set forth in claim 2, wherein: the connecting assembly (5) comprises a sleeve (51) which vertically extends into the mounting hole (21) and is matched with the mounting hole in a rotation stopping manner, a first fastening piece (52) used for fixing the sleeve (51) and the rim (2), an elastic piece (53) sleeved on the sleeve (51), and a second fastening piece (54) used for fixing the sleeve (51) and the elastic piece (53), wherein one end of the elastic piece (53) is abutted against the sleeve (51), and the other end of the elastic piece is abutted against the first protection plate (41).

4. A shock absorbing wheel as set forth in claim 3, wherein: a convex part (211) which is vertically protruded from the inner wall is arranged in the mounting hole (21), and the elastic part (53) is a torsion spring; the sleeve (51) is of a hollow structure, the outer wall of the sleeve is provided with a neck (511) matched with the mounting hole (21), external thread sections (512 and 516) positioned at two sides of the neck (511), internal thread sections (513 and 517) positioned at the end parts, a clamping groove (514) for the protrusion part (211) to extend into, and grooves (515 and 518) for one end of the elastic part (53) to be clamped into.

5. The shock absorbing wheel as set forth in claim 4, wherein: the first protection plate (41) is of a U-shaped structure, and two free ends of the first protection plate are respectively sleeved at two ends of the sleeve (51) and then elastically connected with the first torsion spring (531) and the second torsion spring (532).

6. The shock absorbing wheel as set forth in claim 5, wherein: a groove (412) for the end part of the sleeve (51) to extend into is formed in the free end (411), and one end of the first torsion spring (531) is abutted against the inner wall of the groove (412).

7. The shock absorbing wheel as set forth in claim 1, wherein: the inner side of the rim (2) is provided with a connecting piece (22), and one end of the telescopic rod (31) is rotatably connected with the connecting piece (22).

8. The shock absorbing wheel as set forth in claim 7, wherein: the connecting piece (22) is an arc-shaped section extending along the circumferential direction of the inner wall of the rim (2).

9. The shock absorbing wheel as set forth in claim 8, wherein: the connecting piece (22) is provided with a plurality of open pores (221).

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