CN216184222U

CN216184222U - Shock-proof wheel

Info

Publication number: CN216184222U
Application number: CN202121814815.5U
Authority: CN
Inventors: 杨保健; 邓永宁; 曹云龙
Original assignee: Wuyi University
Current assignee: Wuyi University
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-04-05
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a shock-absorbing wheel, which comprises a shock-absorbing mechanism and a wheel body, wherein the shock-absorbing mechanism comprises a fixing piece, a first connecting piece, a second connecting piece and a wheel connecting piece, the fixing piece, the first connecting piece, the second connecting piece and the wheel connecting piece are sequentially connected to form a parallelogram mechanism, and at least one of the rotating connection position of the fixing piece and the first connecting piece, the rotating connection position of the fixing piece and the second connecting piece and the rotating connection position of the fixing piece and the second connecting piece is provided with a shock-absorbing spring; the wheel body is rotationally connected to the wheel connecting piece through a wheel shaft; the damping mechanism and the damping spring of the parallelogram mechanism can absorb the acting force generated by the wheel body in the walking process, thereby achieving the damping effect.

Description

Shock-proof wheel

Technical Field

The utility model relates to a pulley structure, in particular to a shock-absorbing wheel.

Background

The bottom of the draw-bar box is usually provided with wheels, when the draw-bar box is pulled to walk on an uneven road surface, the weight of the draw-bar box basically presses on the wheels, and the pressure caused by vibration also greatly reduces the service life of the wheels. The vibration of the draw-bar box can be transmitted to the hand of the user, so that the use feeling of the user is poor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to at least one of the problems of the prior art, and provides a suspension wheel.

The technical scheme adopted by the utility model for solving the problems is as follows:

a shock absorbing wheel comprising:

the shock absorbing mechanism comprises a fixing piece, a first connecting piece, a second connecting piece and a wheel connecting piece, wherein the fixing piece, the first connecting piece, the wheel connecting piece and the second connecting piece are sequentially connected to form a parallelogram mechanism;

the wheel body is rotationally connected to the wheel connecting piece through a wheel shaft.

Further, one end of the fixing piece is provided with an installation part.

Further, the installation part is an inserted link.

Furthermore, the tail end of the inserted bar is provided with an annular groove.

Further, the wheel body includes a hub including a spoke, the spoke being composed of a plurality of irregular polygons.

Further, the wheel hub further comprises a rim, and a tire is sleeved on the outer side of the rim.

Furthermore, the wheel body has two, and two the wheel body is installed respectively in the both sides of shaft.

Further, the fixing piece is provided with a first mounting hole and a second mounting hole; the first connecting piece is provided with a first inserting part, and the first inserting part is inserted into the first mounting hole and is in shaft connection with the fixing piece; the second connecting piece is provided with a second inserting portion, and the second inserting portion is inserted into the second mounting hole and is in shaft connection with the fixing piece.

Further, the height of the first mounting hole is larger than the height of the first insertion portion, and the height of the second mounting hole is larger than the height of the second insertion portion.

Furthermore, a first shaft mounting hole is formed in one end, far away from the first insertion part, of the first connecting piece, a second shaft mounting hole is formed in one end, far away from the second insertion part, of the second connecting piece, and a third shaft mounting hole and a fourth shaft mounting hole are formed in two ends of the wheel connecting piece respectively; one end of the damping spring is inserted into the first shaft mounting hole, and the other end of the damping spring is inserted into the third shaft mounting hole; the wheel shaft passes through the second shaft mounting hole and the fourth shaft mounting hole.

The shock-proof wheel at least has the following beneficial effects: the damping mechanism and the damping spring of the parallelogram mechanism can absorb the acting force generated by the wheel body in the walking process, thereby achieving the damping effect.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of a shock absorbing wheel according to an embodiment of the present invention;

FIG. 2 is an exploded view of the shock absorbing mechanism;

fig. 3 is a structural view of the wheel body.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 2, an embodiment of the present invention provides a suspension wheel.

The suspension wheel includes a suspension mechanism 10 and a wheel body 20.

The shock absorbing mechanism 10 comprises a fixing member 130, a first connecting member 110, a second connecting member 120 and a wheel connecting member 140, wherein the fixing member 130, the first connecting member 110, the wheel connecting member 140 and the second connecting member 120 are sequentially connected to form a parallelogram mechanism, and at least one of the rotary joint of the fixing member 130 and the first connecting member 110, the rotary joint of the wheel connecting member 140 and the first connecting member 110, the rotary joint of the fixing member 130 and the second connecting member 120 and the rotary joint of the wheel connecting member 140 and the second connecting member 120 is provided with a damping spring 300; the wheel body 20 is rotatably connected to the wheel connector 140 by an axle 240.

In this embodiment, the damping mechanism 10 and the damping spring 300 of the parallelogram mechanism can absorb the acting force generated by the wheel body 20 during the walking process, so as to achieve the damping effect.

When the suspension wheel is under upward force during walking, the first connecting member 110 and the second connecting member 120 rotate upward to drive the wheel connecting member 140 and the wheel body 20 to shift upward; when the wheel body 20 is acted by a downward force, the first connecting member 110 and the second connecting member 120 rotate downward, so as to drive the wheel connecting member 140 and the wheel body 20 to deflect downward, thereby achieving a cushioning effect.

In some embodiments of the present invention, a mounting portion 131 is provided at one end of the fixing member 130. Specifically, the mounting portion 131 is an insert rod. The external equipment, such as a box, is provided with a jack at the bottom, and the inserted rod is inserted into the jack, so that the shock absorbing wheel can be conveniently installed on the external equipment.

In some embodiments of the present invention, the end of the insertion rod is provided with an annular groove 132, and the shock absorbing wheel can be conveniently mounted on an external device through the cooperation of the annular groove 132 and the locking protrusion in the insertion hole, and can also be rotated universally.

Referring to fig. 3, in some embodiments of the present invention, the body 20 includes a hub, the hub includes a spoke 210, and the spoke 210 is formed of a plurality of irregular polygons. This design can make wheel body 20 can better absorb the effort, improves the bradyseism effect.

In some embodiments of the present invention, the hub further comprises a rim 220, and a tire 230 is sleeved outside the rim 220. The tire 230 has the following effects: support weight, bear load; transmitting traction and braking torque to ensure the adhesion of the wheel body 20 with the road surface; the shock and impact force of the shock absorbing wheel during running are reduced and absorbed.

In some embodiments of the present invention, there are two wheel bodies 20, and the two wheel bodies 20 are respectively mounted on two sides of the axle 240; this allows the suspension wheel to maintain better balance and stability during travel.

Referring to fig. 1 and 2, in some embodiments of the present invention, the fixing member 130 is provided with a first mounting hole 151 and a second mounting hole 152; the first connecting member 110 is provided with a first inserting portion 111, and the first inserting portion 111 is inserted into the first mounting hole 151 and is coupled to the fixing member 130; the second connecting member 120 is provided with a second inserting portion 121, and the second inserting portion 121 is inserted into the second mounting hole 152 and is coupled to the fixing member 130.

The rotation connection position of the fixing member 130 and the first connecting member 110 is the coupling position of the first mounting hole 151 and the first inserting portion 111; the rotating connection position of the fixing member 130 and the second connecting member 120 is the coupling position of the second mounting hole 152 and the second inserting portion 121. Meanwhile, the first mounting hole 151 can protect the vulnerable first insertion portion 111 and the shaft on the first insertion portion 111, and the second mounting hole 152 can function to protect the vulnerable second insertion portion 121 and the shaft on the second insertion portion 121.

In some embodiments of the present invention, the height of the first mounting hole 151 is greater than the height of the first insertion portion 111, and the height of the second mounting hole 152 is greater than the height of the second insertion portion 121, in the direction in which the insert rod faces. The first mounting hole 151 allows the first insertion part 111 to have a movement space in the up-down direction, which allows the first connector 110 to be rotated in the up-down direction, while the height of the first mounting hole 151 also defines the rotation amplitude of the first connector 110. The second mounting hole 152 allows the second insertion part 121 to have a movement space in the up-down direction, which allows the second link 120 to be rotated in the up-down direction, while the height of the first mounting hole 151 also defines the rotation amplitude of the second link 120.

It should be noted that, the shaft on the first insertion portion 111 and the shaft on the second insertion portion 121 are both perpendicular to the insertion rod, and the first connecting member 110 and the second connecting member 120 move in a manner of rotating in the vertical direction.

The height of the first mounting hole 151 is a length of the first mounting hole 151 in the up-down direction. The height of the second mounting hole 152 is the length of the second mounting hole 152 in the up-down direction. The height of the first insertion portion 111 is the length of the first insertion portion 111 in the up-down direction. The height of the second insertion portion 121 is the length of the second insertion portion 121 in the up-down direction.

In some embodiments of the present invention, a first shaft mounting hole 112 is formed at an end of the first connecting member 110 away from the first insertion portion 111, a second shaft mounting hole 122 is formed at an end of the second connecting member 120 away from the second insertion portion 121, and a third shaft mounting hole 141 and a fourth shaft mounting hole 142 are respectively formed at both ends of the wheel connecting member 140; one end of the damper spring 300 is inserted into the first shaft mounting hole 112, and the other end of the damper spring 300 is inserted into the third shaft mounting hole 141; the axle 240 passes through the second shaft mounting hole 122 and the fourth shaft mounting hole 142.

Specifically, the damper spring 300 is disposed transversely. Of course, the damping spring 300 may be sleeved on a shaft to increase the rigidity of the damping spring 300, and a gap is formed between the shaft and the damping spring 300, so that the elastic damping effect of the spring can be maintained.

In this embodiment, a damper spring 300 is provided only at the rotational connection of the first link 110 and the wheel link 140.

Of course, in other embodiments, the wheel shaft 240 may be installed in the middle of the wheel connector 140, and the shock absorbing spring 300 may be disposed at the rotation connection position of the second connector 120 and the wheel connector 140.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and the present invention shall fall within the protection scope of the present invention as long as the technical effects of the present invention are achieved by the same means.

Claims

1. A shock absorbing wheel, comprising:

2. A shock absorbing wheel in accordance with claim 1, wherein said fixing member has a mounting portion at one end thereof.

3. A shock absorbing wheel in accordance with claim 2, wherein said mounting portion is a bayonet.

4. A shock absorbing wheel in accordance with claim 3, wherein said plunger has an annular groove at a distal end thereof.

5. A shock absorbing wheel as set forth in claim 1, wherein said wheel body includes a hub, said hub including a spoke, said spoke being comprised of a plurality of irregular polygons.

6. A shock absorbing wheel in accordance with claim 5, wherein said hub further comprises a rim, and a tire is fitted over an outer side of said rim.

7. A shock absorbing wheel as set forth in claim 1, wherein there are two of said wheel bodies, and said two wheel bodies are mounted on opposite sides of said wheel shaft.

8. A shock absorbing wheel in accordance with claim 1, wherein said fixing member is provided with a first mounting hole and a second mounting hole; the first connecting piece is provided with a first inserting part, and the first inserting part is inserted into the first mounting hole and is in shaft connection with the fixing piece; the second connecting piece is provided with a second inserting portion, and the second inserting portion is inserted into the second mounting hole and is in shaft connection with the fixing piece.

9. A shock absorbing wheel in accordance with claim 8, wherein said first mounting hole has a height greater than a height of said first insertion portion, and said second mounting hole has a height greater than a height of said second insertion portion.

10. The suspension wheel as claimed in claim 8, wherein the first connecting member has a first shaft mounting hole at an end thereof remote from the first insertion portion, the second connecting member has a second shaft mounting hole at an end thereof remote from the second insertion portion, and the wheel connecting member has a third shaft mounting hole and a fourth shaft mounting hole at both ends thereof; one end of the damping spring is inserted into the first shaft mounting hole, and the other end of the damping spring is inserted into the third shaft mounting hole; the wheel shaft passes through the second shaft mounting hole and the fourth shaft mounting hole.