CN211918258U

CN211918258U - Variable diameter rubber driving wheel

Info

Publication number: CN211918258U
Application number: CN201922161638.4U
Authority: CN
Inventors: 吴刚; 林明高; 苏敬森
Original assignee: Kunshan Junyucheng Precision Mould Co ltd
Current assignee: Kunshan Junyucheng Precision Mould Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-11-13
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a variable diameter's rubber drive wheel, including wheel hub, wheel hub's surface cover is equipped with the rubber ring, two cavitys have been seted up to the inside of rubber ring, every the stay cord has all been placed to the inside of cavity, two through-holes have all been seted up, every to the front of rubber ring and the back of rubber ring the outside that the through-hole extended to the through-hole is all run through at the both ends of stay cord, two fender rings of wheel hub's fixed surface are connected with, every two openings, two have all been seted up in the front of fender ring a side of keeping away from each other of fender ring has all seted up the slot. This variable diameter's rubber drive wheel through the pulling stay cord, makes the stay cord shrink the internal diameter of rubber ring, accomodates the inner wall of rubber ring through the draw-in groove, realizes contracting the diameter of rubber ring, contracts the diameter of rubber ring, makes rubber ring and wheel hub fix, avoids appearing the rubber ring and drops from wheel hub, leads to the phenomenon that the rubber ring appears losing to take place.

Description

Variable diameter rubber driving wheel

Technical Field

The utility model belongs to the drive wheel field especially relates to a variable diameter's rubber drive wheel.

Background

The rubber driving wheel is a circular elastic rubber product which is assembled on various vehicles or machines and rolls in a grounding mode, the circular elastic rubber product is also called as a tire, the rubber driving wheel is not only suitable for automobiles, but also can be used for small electric toy vehicles, when the small electric toy vehicles are used, the diameter of the rubber driving wheel cannot be changed, the phenomenon that the rubber driving wheel automatically falls off along with the rotation of a wheel hub can be caused frequently, the phenomenon that the rubber driving wheel is lost is caused, and therefore the rubber driving wheel with the variable diameter is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a, because the rubber drive wheel can't transform the diameter when aiming at solving above-mentioned small-size electronic toy car that exists and using, lead to often can appear the rubber drive wheel along with wheel hub rotates the automatic phenomenon that drops and take place, lead to the rubber drive wheel problem of losing to appear.

The utility model is realized in such a way, a variable diameter rubber driving wheel, which comprises a wheel hub, wherein the outer surface of the wheel hub is sleeved with a rubber ring, two cavities are arranged inside the rubber ring, each cavity is internally provided with a pull rope, the front surface of the rubber ring and the back surface of the rubber ring are respectively provided with two through holes, the two ends of each pull rope penetrate through the through holes and extend to the outside of the through holes, the outer surface of the wheel hub is fixedly connected with two baffle rings, the front surface of each baffle ring is provided with two through holes, one side surface of each baffle ring away from each other is provided with a slot, the two ends of each pull rope penetrate through the two through holes and extend to the outside of the through holes, the two ends of each pull rope are fixedly connected with an insert block, one end of each insert block close to the baffle ring extends to the inside of the slot, and the insert blocks are, two clamping grooves are formed in the outer surface of the hub, a cross-shaped supporting block is placed inside the hub, and a mounting hole is formed in the front face of the cross-shaped supporting block.

And the anti-slip mat is placed in the mounting hole, and the outer surface of the anti-slip mat is fixedly connected with the inner wall of the mounting hole.

And the support rings are arranged in an annular manner in the wheel hub, and two ends of each support ring are fixedly connected with the inner wall of the cross-shaped support block.

The outer surface of the rubber ring is provided with anti-slip lines which are arranged in an annular mode, and the depth of each anti-slip line is smaller than that of the cavity.

And a filling pad is placed in the rubber ring, and the inner wall of the rubber ring on the outer surface of the filling pad is fixedly connected.

The outer diameter value of the hub is smaller than the inner diameter value of the rubber ring.

Compared with the prior art, the beneficial effects of the utility model are that: through the pulling stay cord, make the stay cord contract the internal diameter of rubber ring, accomodate the inner wall of rubber ring through the draw-in groove, the realization is contracted the diameter of rubber ring, contract the diameter of rubber ring, it fixes to make rubber ring and wheel hub, it drops from wheel hub to avoid appearing the rubber ring, the phenomenon that leads to the rubber ring to lose appears takes place, through being equipped with the cross supporting shoe, increase wheel hub's bearing capacity, avoid wheel hub to appear the phenomenon of warping in the use and take place, through being equipped with the inserted block, it can fix the stay cord to make the inserted block insert inside the slot, avoid the stay cord to reset, the phenomenon that leads to appearing the rubber ring not hard up takes place.

Drawings

Fig. 1 is a front view of the wheel hub of the present invention;

FIG. 2 is a front view of the rubber ring of the present invention;

FIG. 3 is a sectional view of the front view of the baffle ring of the present invention;

fig. 4 is a top view of the wheel hub of the present invention;

fig. 5 is a sectional view of a top view of the rubber ring of the present invention.

In the figure: 1. a hub; 2. pulling a rope; 3. a port; 4. a slot; 5. a rubber ring; 6. a cross support block; 7. a support ring; 8. mounting holes; 9. a non-slip mat; 10. a cavity; 11. filling the pad; 12. inserting a block; 13. A baffle ring; 14. anti-skid lines; 15. a card slot; 16. and a through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, a diameter-variable rubber driving wheel comprises a hub 1, a rubber ring 5 is sleeved on the outer surface of the hub 1, two cavities 10 are formed in the rubber ring 5, a pull rope 2 is disposed in each cavity 10, two through holes 16 are formed in the front surface of the rubber ring 5 and the back surface of the rubber ring 5, two ends of each pull rope 2 penetrate through the through holes 16 and extend to the outside of the through holes 16, two baffle rings 13 are fixedly connected to the outer surface of the hub 1, two through holes 3 are formed in the front surface of each baffle ring 13, a slot 4 is formed in one side surface of each baffle ring 13 away from each other, two ends of each pull rope 2 penetrate through the two through holes 3 and extend to the outside of the through holes 3, an insert 12 is fixedly connected to two ends of each pull rope 2, one end of each insert 12 close to the baffle ring 13 extends to the inside of the slot 4, and the insert 12 is matched with the slot, two draw-in grooves 15 have been seted up to wheel hub 1's surface, and cross supporting shoe 6 has been placed to wheel hub 1's inside, and mounting hole 8 has been seted up in the front of cross supporting shoe 6.

The utility model discloses in, slipmat 9 has been placed to the inside of mounting hole 8, slipmat 9's surface and mounting hole 8's inner wall fixed connection, carry out antiskid through slipmat 9 when installing with the toy car, avoid wheel hub 1 directly to drop, wheel hub 1's inside has placed the support ring 7 that the annular was arranged, every support ring 7's both ends all with the inner wall fixed connection of cross supporting shoe 6, consolidate cross supporting shoe 6 through support ring 7, avoid cross supporting shoe 7 to appear becoming flexible.

The anti-skidding line 14 that the annular was arranged is seted up to the surface of rubber ring 5, the degree of depth of every anti-skidding line 14 all is less than the degree of depth of cavity 10, increase the land fertility of grabbing of rubber ring 5 through anti-skidding line 14, avoid the phenomenon of skidding to appear in the toy car, packing pad 11 has been placed to the inside of rubber ring 5, the inner wall fixed connection of the surface rubber ring 5 of packing pad 11, pack rubber ring 5 through packing pad 11, increase rubber ring 5 and packing pad 11's frictional force, wheel hub 1's external diameter value is less than the internal diameter value of rubber ring 5, avoid wearing rubber ring 5.

The utility model discloses a theory of operation is: with the rubber ring 5 cover on wheel hub 1, through passing opening 3 with stay cord 2, reduce stay cord 2 in the inside part of cavity 10, contract the inner wall of rubber ring 5, be absorbed in the inside of draw-in groove 15, make the diameter of draw-in groove 15 contract, insert inside slot 4 with inserted block 12 and fix stay cord 2.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A variable diameter rubber drive wheel comprising a hub (1), characterized in that: the outer surface of the wheel hub (1) is sleeved with a rubber ring (5), two cavities (10) are formed in the rubber ring (5), a pull rope (2) is placed in each cavity (10), two through holes (16) are formed in the front of the rubber ring (5) and the back of the rubber ring (5), two ends of each pull rope (2) penetrate through the through holes (16) and extend to the outside of the through holes (16), two baffle rings (13) are fixedly connected to the outer surface of the wheel hub (1), two through holes (3) are formed in the front of each baffle ring (13), one side face, far away from each other, of each baffle ring (13) is provided with a slot (4), two ends of each pull rope (2) penetrate through the two through holes (3) respectively and extend to the outside of the through holes (3), and two ends of each pull rope (2) are fixedly connected with an insert block (12), every the one end that inserted block (12) is close to fender ring (13) all extends to the inside of slot (4), and inserted block (12) and slot (4) looks adaptation, two draw-in grooves (15) have been seted up to the surface of wheel hub (1), cross supporting shoe (6) have been placed to the inside of wheel hub (1), mounting hole (8) have been seted up in the front of cross supporting shoe (6).

2. A variable diameter rubber drive wheel according to claim 1 wherein: and the anti-skid pad (9) is placed in the mounting hole (8), and the outer surface of the anti-skid pad (9) is fixedly connected with the inner wall of the mounting hole (8).

3. A variable diameter rubber drive wheel according to claim 1 wherein: the wheel hub is characterized in that support rings (7) which are arranged in an annular mode are arranged inside the wheel hub (1), and two ends of each support ring (7) are fixedly connected with the inner wall of the cross-shaped support block (6).

4. A variable diameter rubber drive wheel according to claim 1 wherein: the outer surface of the rubber ring (5) is provided with anti-slip lines (14) which are arranged in an annular mode, and the depth of each anti-slip line (14) is smaller than that of the cavity (10).

5. A variable diameter rubber drive wheel according to claim 1 wherein: and a filling pad (11) is placed in the rubber ring (5), and the inner wall of the rubber ring (5) on the outer surface of the filling pad (11) is fixedly connected.

6. A variable diameter rubber drive wheel according to claim 1 wherein: the outer diameter value of the hub (1) is smaller than the inner diameter value of the rubber ring (5).