CN107139648B

CN107139648B - Wheel for baby carrier

Info

Publication number: CN107139648B
Application number: CN201710290596.7A
Authority: CN
Inventors: 史加悦
Original assignee: Pinghu Zhimeng Technology Co ltd
Current assignee: Pinghu Zhimeng Technology Co ltd
Priority date: 2017-04-28
Filing date: 2017-04-28
Publication date: 2023-06-23
Anticipated expiration: 2037-04-28
Also published as: CN107139648A

Abstract

The invention relates to a wheel for a baby carrier, which comprises a rim body and a tire sleeved on the outer peripheral part of the rim body; the rim body sequentially comprises a rim, spokes and connecting columns from outside to inside; the spoke is positioned between the rim and the connecting column; the rim, the spoke and the connecting column are fixedly connected, and a connecting hole connected with a bassinet axle is arranged in the center of the connecting column; an annular groove is formed in the outer peripheral part of the rim, and the inner peripheral part of the tire is correspondingly embedded in the annular groove in a matched manner; the outside of the tire is provided with an anti-skid pattern block; the anti-skid pattern block comprises a plurality of side pattern components positioned on two sides of the top of the tire and a plurality of middle pattern components positioned in the middle of the tire; the anti-skid blocks are arranged outside the tire, so that the anti-skid blocks have strong bearing capacity of the tire and can be used for a long time under high bearing conditions; the wear resistance is strong, and the driving mileage is longer; the rolling resistance is small, and the power consumption is less.

Description

Wheel for baby carrier

Technical Field

The invention belongs to the technical field of baby carriages, and particularly relates to a wheel for a baby carriage.

Background

The wheels are round elastic connectors between the baby carrier and the road and are running structures of the automobile; first, the wheel transmits forces to the ground that drive, steer and brake the stroller, such as: driving force, traction force, braking force, steering force and other functions; secondly, the tires of the wheels must have the functions of enabling the automobile to run freely, stably and safely at high speed in various climates, road surfaces and speeds; thirdly, the tires of the wheels have to have the functions of buffering vibration, reducing noise and being comfortable to sit; while the tread pattern structure of a wheel is the main expression of the tyre for these functions.

At present, most of domestic baby carrier manufacturers basically design the pattern structure of the wheel tires according to differentiation; the application range of the tire pattern market is changed from popular to popular, the requirements of the market on tires are higher and higher, and the factory differentiating tire patterns are also required to adapt to the increasingly subdivided market. Child vehicles are increasingly focused on by consumers as an emerging vehicle category, and more families use child vehicles as a recreational tool; in order to consider the special nature of the application occasion of the common baby carrier, more single lines are designed on the tread pattern of the common baby carrier so as to realize enough traction performance, but the common baby carrier is easy to cause jumping phenomenon due to small ground contact area of pattern blocks when running under a wet road surface, meanwhile, the single pattern blocks are not enough in rigidity, the pattern block creep phenomenon is easy to generate in the driving and braking processes of the vehicle, the durability of the tread pattern is influenced, the common baby carrier cannot adapt to running of different road conditions, the running speed of the tire is reduced, the existing tire is made of plastic materials, the friction coefficient is low, and the safety standard of the braking performance of the baby carrier is very low when a clamp brake is adopted, so that hidden danger is brought to the use safety.

Meanwhile, the design of the existing tire pattern of the baby carrier is mainly based on the matched vehicle type and the use condition, especially the use road condition, and the design type of the tread pattern is directly influenced; for special road conditions, such as soft road surfaces like mud, sand, swamps and the like, or off-road conditions, the design of shoulder patterns of the tires is more and more important, and the fact proves that the shoulder patterns of the tires have great influence on the performances of traction, heat dissipation, mud discharge and the like under different road conditions.

In view of the above-described problems, improvements are needed.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects in the prior art, the invention provides the wheel for the baby carrier, which has the advantages of ingenious and reasonable structural design, convenient use and good braking performance, can adapt to the running of different road conditions, improves the running speed of the tire, is beneficial to heat dissipation of the tire in the use process, prolongs the service life of the tire and effectively prevents the early damage of the tire.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a wheel for a baby carrier comprises a rim body and a tire sleeved on the outer peripheral part of the rim body; the rim body sequentially comprises a rim, spokes and connecting columns from outside to inside; the spoke is positioned between the rim and the connecting column; the rim, the spoke and the connecting column are fixedly connected, and a connecting hole connected with a bassinet axle is formed in the center of the connecting column; an annular groove is formed in the outer peripheral part of the rim, and the inner peripheral part of the tire is correspondingly embedded in the annular groove in a matched manner; the outside of the tire is provided with an anti-skid pattern block; the anti-skid pattern block and the tyre are integrally formed; the anti-skid pattern block comprises a plurality of side pattern components positioned on two sides of the top of the tire and a plurality of middle pattern components positioned in the middle of the tire; the middle pattern assembly is arranged along the circumferential direction of the tire and forms an inclined angle of 45 degrees with the tire; the side pattern assembly is arranged along the circumferential direction of the tire; the side pattern assembly forms an inclined angle of 45 degrees with the tire; the side pattern components and the middle pattern components form an inclined angle of 90 degrees.

As a preferable mode of the invention, the anti-skid block further comprises a plurality of block components positioned at the left side and the right side of the tire; the pattern block components correspond to the side pattern components positioned on two sides of the top of the tire in position; a first pattern groove is arranged between the side pattern assembly and the middle pattern assembly;

as a preferred aspect of the present invention, the side block includes a front end block and a rear end block; the rear-end pattern block comprises a first side pattern block, a second side pattern block and a third side pattern block which are sequentially arranged; cutting pattern blocks are arranged at the front ends of the front pattern blocks; correspondingly, the block assembly comprises a fourth side block and a fifth side block; the cutting blocks correspond to the fourth side blocks in position, and the first side blocks correspond to the fifth side blocks in position; the front-end pattern blocks correspond to the middle pattern components in position.

As a preferred aspect of the present invention, the intermediate block includes two first intermediate blocks and two second intermediate blocks; a first pattern groove is arranged between the first middle pattern block and the second middle pattern block; a second pattern groove is arranged between two adjacent first middle pattern blocks; a third pattern groove is arranged between two adjacent second middle pattern blocks.

As a preferable mode of the present invention, the first intermediate block is arranged in parallel with the second intermediate block.

As a preferable mode of the present invention, the length of the second intermediate block is 1/2 of the length of the first intermediate block.

As a preferable mode of the present invention, a first tread band is connected between the first side block and the second side block; a second pattern belt is connected between the second side pattern block and the third side pattern block; the heights of the first pattern belt and the second pattern belt are 1/2 of the height of the first side pattern block.

As a preferable mode of the invention, a third pattern belt is arranged between the first middle pattern block and the front pattern block;

as a preferable mode of the invention, a second pattern fine groove is arranged between the front pattern block and the rear pattern block; the second groove is in a "T" shape with the first groove, and the second groove extends between the fourth side block and the fifth side block.

As a preferable scheme of the invention, the outer edges of the left side and the right side of the annular groove are transitional arc surfaces; the length of the connecting column is consistent with the width of the rim, and a transitional cambered surface is arranged on the outer edge of the connecting hole; the rim body is an alloy rim, a cast iron rim, a carbon fiber rim, a glass fiber rim or a stainless steel rim.

The beneficial effects of the invention are as follows:

1. the annular groove is formed in the outer peripheral part of the rim of the wheel, and the inner peripheral part of the tire is correspondingly embedded in the annular groove in a matched manner, so that the tire is fixedly arranged on the hub, the use safety and stability are ensured, and the use safety is ensured;

2. the wheels of the baby carrier are only provided with parts such as a tire, a rim, a spoke, a connecting column and the like; the processing and the assembly are simpler, and the production materials of the tire are greatly reduced due to the arrangement of the tire, so that the production cost is greatly reduced;

3. the anti-skid blocks are arranged outside the tire, so that the anti-skid blocks have strong bearing capacity of the tire and can be used for a long time under high bearing conditions; the wear resistance is strong, and the driving mileage is longer; the rolling resistance is small, and the power consumption is less;

4. the tire top is provided with a plurality of side pattern components and a plurality of middle pattern components, the side pattern components and the middle pattern components are positioned in the middle of the tire, so that the grounding area of the tire can be increased, the tire is uniformly worn, the tire is durable, and the running of the baby carrier can be more stable;

5. the first and second grooves are arranged, the second groove and the first groove are in a T shape, the second groove extends between the fourth side block and the fifth side block, the grooves can greatly enhance the drainage performance of the tire, and the baby carrier has excellent trafficability on a wet road surface;

6. the invention has simple structure, convenient use and installation, improves the use stability of the wheels, further improves the safety of the use function of the baby carrier, saves the cost, and is convenient and practical.

Drawings

FIG. 1 is a front view of a wheel of the stroller of the present invention;

FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;

FIG. 3 is a schematic view of a partial structure of an anti-skid block of a stroller wheel according to the present invention;

reference numerals in the drawings: the tire rim comprises a rim body 1, a tire 2, a rim 3, spokes 4, connecting posts 5, connecting holes 6, annular grooves 7, side pattern assemblies 8, middle pattern assemblies 9, first middle pattern blocks 9-1, second middle pattern blocks 9-2, first pattern grooves 9-3, second pattern grooves 9-4, third pattern grooves 9-5, pattern block assemblies 10, fourth side pattern blocks 10-1, fifth side pattern blocks 10-2, front end pattern blocks 11, cutting pattern blocks 11-1, rear end pattern blocks 12, first side pattern blocks 12-1, second side pattern blocks 12-2, third side pattern blocks 12-3, first pattern strips 12-4, second pattern strips 12-5, first pattern grooves 13, and second pattern grooves 14.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Examples: as shown in fig. 1 to 3, a wheel for a stroller comprises a rim body 1 and a tire 2 fitted over the outer peripheral portion of the rim body 1; the rim body 1 sequentially comprises a rim 3, spokes 4 and a connecting column 5 from outside to inside; the spoke 4 is positioned between the rim 3 and the connecting column 5; the rim 3, the spoke 4 and the connecting column 5 are fixedly connected, and a connecting hole 6 connected with a bassinet axle is arranged in the center of the connecting column 5; an annular groove 7 is formed in the outer peripheral portion of the rim 3, and the inner peripheral portion of the tire 2 is correspondingly and cooperatively embedded in the annular groove 7; like this, alright realize the installation of tire 2 and rim 3, annular groove 7 on the rim 3 makes tire 2 can stably install on rim 3, make it form an organic wholely with rim 3 in the use, the outer edge in the left and right sides of annular groove 7 is the transition arc surface for the installation of tire 2 and rim 3 is simpler and convenient, annular groove 7 is the transition arc surface, in the annular groove 7 is sunk in the tire 2, make the bassinet wheel have good elasticity, thereby play the effect of moving away to avoid possible earthquakes in the use, the use comfort of bassinet has been improved.

The wheels of the baby carrier are only provided with a tire 2, a rim 3, spokes 4, a connecting column 5 and other parts; the processing and the assembly are simpler, and the production materials of the tyre are greatly reduced due to the arrangement of the tyre 2, so that the production cost is greatly reduced.

The outside of the tyre 2 is provided with anti-skid blocks; the anti-skid pattern block and the tyre 2 are integrally formed; the anti-skid blocks comprise a plurality of side pattern assemblies 8 positioned on two sides of the top of the tire 2 and a plurality of middle pattern assemblies 9 positioned in the middle of the tire 2; the middle pattern assembly 9 is arranged along the circumferential direction of the tire 2 and forms an inclined angle of 45 degrees with the tire 2; the side pattern assembly 8 is disposed along the tire 2 circumferential direction; the side pattern assembly 8 is inclined at an angle of 45 degrees to the tire 2; the side pattern assembly 8 and the middle pattern assembly 9 form an inclined angle of 90 degrees; the ground contact area of the tire can be increased, so that the tire is worn uniformly and durable, and the baby carrier can run stably.

By adopting this structure, the side pattern assemblies 8 and the middle pattern assemblies 9 are alternately arranged along the circumferential direction of the tire 2, the side pattern assemblies 8 and the middle pattern assemblies 9 on both sides of the tire 2 form a 'Z' shape, the front end of the middle pattern assembly 9 corresponds to the side pattern assembly 8 on the left side, the rear end of the middle pattern assembly 9 corresponds to the side pattern assembly 8 on the right side, and the middle pattern assembly 9 of the present embodiment makes an angle of 90 degrees with the side pattern assemblies 8 on both sides of the tire 2; therefore, the non-uniformity of drainage performance and the non-uniformity of rigidity are not generated, and the drainage performance and the driving stability performance can be realized at the same time; further, it should be noted that the larger the inclination angle of the intermediate pattern assembly 9 with the side pattern assemblies 8 on both sides of the tire 2, the higher the drainage performance, the smaller the inclination angle of the intermediate pattern assembly 9 with the side pattern assemblies 8 on both sides of the tire 2, the higher the rigidity in the lateral direction, and the higher the steering stability performance.

The anti-skid blocks also comprise a plurality of pattern block assemblies 10 positioned at the left side and the right side of the tire 2; the block assemblies 10 correspond in position to the side block assemblies 8 located on either side of the top of the tire 2; by arranging the pattern block assembly 10, the tire side part is further reinforced than a common tire, so that the tire is resistant to road edges, the tire 2 can be ensured to have good control performance on a rugged road, and the baby carrier can freely run no matter on a loose road or on a continuous curve which is difficult to run; the tire 2 is provided with the side pattern components 8 and the middle pattern components 9 alternately in the circumferential direction, and the side pattern components and the middle pattern components are crisscrossed, so that the tire is not easy to damage or scratch under severe driving conditions, and has excellent durability; the three-dimensional design of the side fonts is attractive and elegant, and the wild nature is revealed. Meanwhile, the flattened design is adopted, so that the supporting performance of the tire is improved, and the control performance of the tire is improved; kevlar fibers (the main material for manufacturing modern bulletproof clothes) are used for the carcass framework of the tire, so that the rigidity of the tire wall is enhanced, the dead weight is reduced, and the performance of the tire is improved.

A first pattern groove 13 is arranged between the side pattern assembly 8 and the middle pattern assembly 9; the side block 8 includes a front block 11 and a rear block 12; the rear end block 12 includes a first side block 12-1, a second side block 12-2, and a third side block 12-3 arranged in this order; cutting blocks 11-1 are arranged at the front ends of the front end blocks 11; correspondingly, the block assembly 10 includes a fourth side block 10-1 and a fifth side block 10-2; the cutting block 11-1 corresponds to the position of the fourth side block 10-1, and the first side block 12-1 corresponds to the position of the fifth side block 10-2; the front end block 11 corresponds in position to the intermediate block 9.

The intermediate block 9 includes two first intermediate blocks 9-1 and two second intermediate blocks 9-2; the first middle pattern block 9-1 and the second middle pattern block 9-2 are arranged in parallel; the length of the second intermediate block 9-2 is 1/2 of the length of the first intermediate block 9-1; a first groove 9-3 is arranged between the first middle block 9-1 and the second middle block 9-2; a second pattern groove 9-4 is arranged between two adjacent first middle pattern blocks 9-1; a third pattern groove 9-5 is arranged between two adjacent second middle pattern blocks 9-2; by arranging the first groove 9-3, the second groove 9-4 and the third groove 9-5, the heat dissipation performance is good, meanwhile, connecting ribs are added between the grooves, the durability and the drainage performance of the tire are improved, meanwhile, the rigidity of the pattern blocks is increased, and abnormal abrasion of the tire is prevented.

A first tread band 12-4 is connected between the first side block 12-1 and the second side block 12-2; a second tread band 12-5 is connected between the second side block 12-2 and the third side block 12-3; the heights of the first pattern belt 12-4 and the second pattern belt 12-5 are 1/2 of the height of the first side pattern block 12-1; a third tread band 12-5 is provided between the first intermediate block 9-1 and the front end block 11.

A second pattern groove 14 is arranged between the front pattern block 11 and the rear pattern block 12; the second groove 14 is in a "T" shape with the first groove 13, and the second groove 14 extends between the fourth side block 10-1 and the fifth side block 10-2; the first and

second grooves

13 and 14 can greatly enhance the drainage performance of the tire, so that the baby carrier has excellent passing performance on a wet road surface; in order to achieve a better sludge discharge effect.

The front end block 11 and the rear end block 12 should have the same height, the first and

second grooves

13 and 14 have the same width as the front end block 11 and the rear end block 12, if the first and

second grooves

13 and 14 have too small a width, traction performance and mud drainage performance are not obvious, heat radiation performance of the tire is lowered, if the first and

second grooves

13 and 14 have too large a width, resulting in lowered rigidity of the fourth and fifth side blocks 10-1 and 10-2, the service life of the tire is affected,

the upper edges of the left side and the right side of the annular groove 7 are transitional arc surfaces; the length of the connecting column 5 is consistent with the width of the rim 3, and the outer edge of the connecting hole 6 is provided with a transitional cambered surface, so that the influence of air resistance on wheels is reduced, the wheels generate rotary propelling force by utilizing the action of crosswind, convenience is brought to the use of the baby carrier, and the use comfort of the baby carrier is improved; the rim body 1 is an alloy rim, a cast iron rim, a carbon fiber rim, a glass fiber rim or a stainless steel rim, so that the strength of the wheel of the baby carrier is improved, and the service life of the wheel is prolonged.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention will not be limited to the embodiments shown herein,

but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more herein: the rim body 1, the tire 2, the rim 3, the spokes 4, the connecting post 5, the connecting hole 6, the annular groove 7, the side block 8, the middle block 9, the first middle block 9-1, the second middle block 9-2, the first groove 9-3, the second groove 9-4, the third groove 9-5, the block assembly 10, the fourth side block 10-1, the fifth side block 10-2, the front end block 11, the cutting block 11-1, the rear end block 12, the first side block 12-1, the second side block 12-2, the third side block 12-3, the first lug 12-4, the second lug 12-5, the first lug 13, the second lug 14, and the like, but the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.

Claims

1. A wheel for a stroller, characterized by: comprises a rim body (1) and a tire (2) sleeved on the outer periphery of the rim body (1); the rim body (1) comprises a rim (3), spokes (4) and a connecting column (5) from outside to inside in sequence; the spoke (4) is positioned between the rim (3) and the connecting column (5); the rim (3), the spoke (4) and the connecting column (5) are fixedly connected, and a connecting hole (6) connected with a baby carrier axle is formed in the center of the connecting column (5); an annular groove (7) is formed in the outer peripheral part of the rim (3), and the inner peripheral part of the tire (2) is correspondingly and cooperatively embedded in the annular groove (7); the outside of the tire (2) is provided with an anti-skid pattern block; the anti-skid pattern block and the tyre (2) are integrally formed; the anti-skid pattern block comprises a plurality of side pattern components (8) positioned on two sides of the top of the tire (2) and a plurality of middle pattern components (9) positioned in the middle of the tire (2); the middle pattern assembly (9) is arranged along the circumferential direction of the tire (2) and forms an inclination angle of 45 degrees with the tire (2); the side pattern assembly (8) is arranged along the circumferential direction of the tyre (2); the side pattern assembly (8) forms an inclined angle of 45 degrees with the tire (2); the side pattern assembly (8) and the middle pattern assembly (9) form an inclined angle of 90 degrees; the side pattern assembly (8) comprises a front pattern block (11) and a rear pattern block (12); the rear-end pattern block (12) comprises a first side pattern block (12-1), a second side pattern block (12-2) and a third side pattern block (12-3) which are sequentially arranged; cutting pattern blocks (11-1) are arranged at the front ends of the front pattern blocks (11); correspondingly, the block assembly (10) comprises a fourth side block (10-1) and a fifth side block (10-2); the cutting block (11-1) corresponds to the position of the fourth side block (10-1), and the first side block (12-1) corresponds to the position of the fifth side block (10-2); the front-end pattern block (11) corresponds to the middle pattern assembly (9); a second pattern fine groove (14) is arranged between the front pattern block (11) and the rear pattern block (12); the second groove (14) and the first groove (13) are in a T-shape, and the second groove (14) extends between the fourth side block (10-1) and the fifth side block (10-2).

2. A wheel for a stroller as defined in claim 1, wherein: the anti-skid pattern block also comprises a plurality of pattern block components (10) positioned at the left side and the right side of the tire (2); the pattern block assembly (10) corresponds to the positions of the side pattern assemblies (8) positioned on two sides of the top of the tire (2); a first pattern groove (13) is arranged between the side pattern assembly (8) and the middle pattern assembly (9).

3. A wheel for a stroller as defined in claim 2, wherein: the intermediate pattern assembly (9) comprises two first intermediate pattern blocks (9-1) and two second intermediate pattern blocks (9-2); a first groove (9-3) is arranged between the first middle pattern block (9-1) and the second middle pattern block (9-2); a second pattern groove (9-4) is arranged between two adjacent first middle pattern blocks (9-1); a third pattern groove (9-5) is arranged between two adjacent second middle pattern blocks (9-2).

4. A wheel for a stroller as defined in claim 3, wherein: the first middle pattern block (9-1) and the second middle pattern block (9-2) are arranged in parallel.

5. A wheel for a stroller as defined in claim 4, wherein: the length of the second middle pattern block (9-2) is 1/2 of the length of the first middle pattern block (9-1).

6. A wheel for a stroller as defined in claim 1, wherein: a first pattern belt (12-4) is connected between the first side pattern block (12-1) and the second side pattern block (12-2); a second pattern belt (12-5) is connected between the second side pattern block (12-2) and the third side pattern block (12-3); the heights of the first pattern belt (12-4) and the second pattern belt (12-5) are 1/2 of the height of the first side pattern block (12-1).

7. A wheel for a stroller as defined in claim 3, wherein: a third pattern belt (12-5) is arranged between the first middle pattern block (9-1) and the front pattern block (11).

8. A wheel for a stroller as defined in claim 1, wherein: the outer edges of the left side and the right side of the annular groove (7) are transitional arc surfaces; the length of the connecting column (5) is consistent with the width of the rim (3), and a transitional cambered surface is arranged on the outer edge of the connecting hole (6); the rim body (1) is an alloy rim, a cast iron rim, a carbon fiber rim, a glass fiber rim or a stainless steel rim.