CN215321773U

CN215321773U - Double-bearing supported caster

Info

Publication number: CN215321773U
Application number: CN202120282463.7U
Authority: CN
Inventors: 麦景涛
Original assignee: Guangdong Youlis Precision Technology Co ltd
Current assignee: Guangdong Youlis Precision Technology Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-12-28
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a double-bearing-supported caster which comprises a sleeve and a wheel carrier, wherein the sleeve is fixedly connected with a fixed block, a bearing is fixedly connected below the fixed block, the bearing is fixedly connected with the wheel carrier, a first roller and a second roller are respectively arranged at two sides below the bearing, wheel cores are fixedly connected on the first roller and the second roller, thickened rubber anti-slip layers are fixedly connected on side rings of the first roller and the second roller, a second spring is fixedly connected between a first supporting shaft and a second supporting shaft, and the first spring is wound outside the first supporting shaft and the second supporting shaft, so that the stability of the caster during use on a bumpy road surface is enhanced, the caster is prevented from being damaged on the bumpy road surface, the service life of the caster is prolonged, and articles loaded on the caster are prevented from being collided and damaged, the method is favorable for improving the use satisfaction of the user.

Description

Double-bearing supported caster

Technical Field

The utility model belongs to a caster wheel, and particularly relates to a caster wheel supported by double bearings.

Background

The casters are a general term and comprise movable casters and fixed casters, the movable casters are also called universal wheels, the structure of the casters allows 360-degree rotation, the fixed casters are also called directional casters, the casters have no rotating structure and can not rotate, usually two casters are commonly matched, for example, the structure of a trolley is that the front two directional wheels are arranged, the rear two universal wheels are arranged close to a pushing handrail, it is difficult to trace the history of the casters, however, after the casters are invented, the carrying and moving objects become easy, but the wheels can only run on a straight line, the change of the direction is still very difficult when carrying heavy objects, later, the casters invent the wheels with the iron core polyurethane PU universal wheel steering structure, namely the casters or the universal wheels, and the casters bring epoch-making revolution to people carrying particularly the moving objects, not only can easily carry, can also remove along with any direction, efficiency is greatly improved, reached the modern rise along with the industrial revolution, more and more equipment needs to remove, the truckle also is more and more extensive in the world application, each industry is almost from not opening the truckle, reached modern along with the continuous development of science and technology, equipment is also more and more multi-functional and high utilization ratio, the truckle has just become indispensable part, but the shock-absorbing function of part truckle is not good enough, lead to the truckle not steady enough when going on ground easily, lead to truckle life to subtract weak easily, and it is impaired to lead to the article that the truckle top loaded on the road collision of jolting easily, and the antiskid effect of part truckle is not good enough, the truckle skidded easily under the smooth condition of rainy day way.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the existing defects and provide a caster supported by double bearings to solve the problems that the damping function of part of casters proposed in the background art is not good enough, the casters are easy to be unstable when running on the ground, the service life of the casters is easy to be shortened, articles loaded above the casters are easy to collide and damage on a bumpy road, the anti-skidding effect of part of the casters is not good enough, and the casters are easy to skid in rainy days and slippery roads.

In order to achieve the purpose, the utility model provides the following technical scheme: a double-bearing-supported caster comprises a sleeve and a wheel carrier, wherein the sleeve is fixedly connected with a fixed block, a bearing is fixedly connected with the lower part of the fixed block, the bearing is fixedly connected with the wheel carrier, a first roller and a second roller are respectively arranged at the positions of two sides of the lower part of the bearing, wheel cores are fixedly connected on the first roller and the second roller, thickened rubber antiskid layers are fixedly connected on side rings of the first roller and the second roller, a second supporting shaft is arranged in the sleeve, the bottom end of the second supporting shaft is fixedly connected with the fixed block, a second spring is fixedly connected at the other end of the second supporting shaft, the second spring is fixedly connected with the first supporting shaft, the first supporting shaft is positioned above the second supporting shaft, sliding blocks are fixedly connected at two sides of the first supporting shaft, sliding grooves are formed in two sides of the sleeve, the sliding block and spout sliding connection, first back shaft and sleeve pass through sliding block and spout sliding connection, first back shaft and second back shaft respectively with the both ends fixed connection of first spring, first spring is located telescopic inside.

Preferably, the two sides of the wheel carrier are respectively provided with a first roller and a second roller, the inside of the first roller is fixedly connected with one end of a connecting sheet, the other end of the connecting sheet penetrates through the middle position of the wheel carrier and is fixedly connected with the second roller, the connecting sheet is fixedly connected with the iron cylinder, and the connecting sheet is located on a side ring of the iron cylinder.

Preferably, the wheel carrier is provided with a through hole, an iron cylinder is embedded in the through hole, the diameters of two ends of the iron cylinder are larger than the diameter of the through hole, and the iron cylinder is rotatably connected with the wheel carrier.

Preferably, a plurality of anti-skidding grooves are formed in the thickened rubber anti-skidding layer at equal intervals, and the depth of each anti-skidding groove is 5 mm.

Preferably, two stoppers are fixedly connected to the inside of the sleeve, two the stoppers are respectively located at two sides of the first supporting shaft, and two sliding blocks are arranged at one side of the lower part of each stopper.

Preferably, the width of the anti-skid groove is equal to the width of the side ring of the thickened rubber anti-skid layer.

Preferably, the bottom end of the sliding block and the top end of the second supporting shaft are located at the same height.

Compared with the prior art, the utility model provides a double-bearing-supported caster which has the following beneficial effects:

1. according to the utility model, the second spring is fixedly connected between the first support shaft and the second support shaft, and the first spring is wound outside the first support shaft and the second support shaft, so that the stability of the caster wheel in use on a bumpy road surface is enhanced, the caster wheel is prevented from being damaged on the bumpy road surface, the service life of the caster wheel is prolonged, articles loaded on the caster wheel are prevented from being damaged by collision, and the use satisfaction of a user is improved.

2. According to the utility model, the thickened rubber anti-slip pads are arranged outside the first roller and the second roller, and the thickened rubber anti-slip pads are provided with a plurality of anti-slip grooves with the depth of 5mm at equal intervals, so that the anti-slip effect of the caster wheel is favorably improved, the caster wheel is prevented from slipping in rainy days and slippery roads, and the personal safety and the financial safety of a user are favorably ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is an enlarged schematic view of the structure A proposed by the present invention;

FIG. 4 is a schematic perspective view of a roller according to the present invention;

in the figure: 1. a sleeve; 2. a fixed block; 3. a bearing; 4. a first roller; 5. a second roller; 6. thickening a rubber anti-skid layer; 7. a wheel carrier; 8. connecting sheets; 9. an iron cylinder; 10. a through hole; 11. a wheel core; 12. a limiting block; 13. a first spring; 14. an anti-slip groove; 15. a first support shaft; 16. a second support shaft; 17. A second spring; 18. a slider; 19. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a double-bearing-supported caster comprises a sleeve 1 and a wheel carrier 7, wherein the sleeve 1 is fixedly connected with a fixed block 2, a bearing 3 is fixedly connected below the fixed block 2, the bearing 3 is fixedly connected with the wheel carrier 7, a first roller 4 and a second roller 5 are respectively arranged at two sides below the bearing 3, a wheel core 11 is fixedly connected on each of the first roller 4 and the second roller 5, thickened rubber antiskid layers 6 are fixedly connected on side rings of each of the first roller 4 and the second roller 5, a second support shaft 16 is arranged inside the sleeve 1, the bottom end of the second support shaft 16 is fixedly connected with the fixed block 2, a second spring 17 is fixedly connected with the other end of the second support shaft 16, the second spring 17 is fixedly connected with a first support shaft 15, the stability of the caster is favorably enhanced when the caster is used on a bumpy road surface, the caster is prevented from being damaged on the bumpy road surface, the first support shaft 15 is positioned above the second support shaft 16, equal fixedly connected with sliding block 18 in both sides of first support shaft 15, spout 19 has been seted up to sleeve 1's inside both sides, sliding

block

18 and 19 sliding connection of spout, first support shaft 15 and sleeve 1 pass through sliding

block

18 and 19 sliding connection of spout, first support shaft 15 and second support shaft 16 respectively with the both ends fixed connection of first spring 13, first spring 13 is located sleeve 1's inside, be favorable to improving truckle damping performance, thereby can prolong the life of truckle, and be favorable to preventing that the article collision that loads on the truckle is impaired, be favorable to improving user's use satisfaction.

In the utility model, preferably, a first roller 4 and a second roller 5 are respectively arranged on two sides of the wheel frame 7, one end of a connecting sheet 8 is fixedly connected inside the first roller 4, the other end of the connecting sheet 8 penetrates through the middle position of the wheel frame 7 to be fixedly connected with the second roller 5, the connecting sheet 8 is fixedly connected with an iron cylinder 9, and the connecting sheet 8 is positioned on a side ring of the iron cylinder 9.

In the utility model, preferably, the wheel carrier 7 is provided with the through hole 10, the iron cylinder 9 is embedded in the through hole 10, the iron cylinders 9 with the diameters larger than the diameter of the through hole 10 at two ends of the iron cylinder 9 are rotatably connected with the wheel carrier 7, the thickened rubber antiskid layer 6 is provided with a plurality of antiskid grooves 14 at equal intervals, and the depth of the antiskid grooves 14 is 5mm, so that the antiskid effect of the caster is favorably improved, the caster is prevented from skidding under the condition of slippery road in rainy days, and the personal safety and the financial safety of a user are favorably ensured.

In the utility model, preferably, two limit blocks 12 are fixedly connected inside the sleeve 1, the two limit blocks 12 are respectively located at two sides of the first support shaft 15, sliding blocks 18 are respectively arranged at one side of the lower part of the two limit blocks 12, the width of the anti-slip groove 14 is equal to the width of the side ring of the thickened rubber anti-slip layer 6, and the bottom ends of the sliding blocks 18 and the top end of the second support shaft 16 are located at the same height.

The working principle and the using process of the utility model are as follows:

during the use, install the truckle through first supporting shaft 15 with other parts, the atress pushes down above the truckle, make the shrink of second spring 17, when the truckle traveles in the road surface of jolting, sleeve 1 inside is provided with first spring 13 and second spring 17, be favorable to strengthening the stability of truckle when the road surface of jolting is used, it is impaired to prevent the truckle on the road surface of jolting, be favorable to prolonging the life of truckle, and be favorable to preventing that the article that loads on the truckle collide impaired, be favorable to improving user's satisfaction, first gyro wheel 4 and second gyro wheel 5's outside is provided with thickening rubber skid resistant course 6, a plurality of non slipping groove 14 have been seted up on thickening rubber skid resistant course 6, be favorable to promoting the antiskid effect of truckle, prevent that the truckle from skidding under the smooth condition of rainy day road, be favorable to ensuring user's personal and financial security.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A double-bearing-supported caster comprising a sleeve (1) and a wheel carrier (7), characterized in that: the sleeve (1) is fixedly connected with the fixed block (2), the lower part of the fixed block (2) is fixedly connected with the bearing (3), the bearing (3) is fixedly connected with the wheel carrier (7), the two sides of the lower part of the bearing (3) are respectively provided with a first roller (4) and a second roller (5), the first roller (4) and the second roller (5) are respectively fixedly connected with a wheel core (11), the side rings of the first roller (4) and the second roller (5) are respectively fixedly connected with a thickening rubber antiskid layer (6), the sleeve (1) is internally provided with a second supporting shaft (16), the bottom end of the second supporting shaft (16) is fixedly connected with the fixed block (2), the other end of the second supporting shaft (16) is fixedly connected with a second spring (17), and the second spring (17) is fixedly connected with a first supporting shaft (15), first supporting shaft (15) are located the top position of second back shaft (16), the equal fixedly connected with sliding block (18) in both sides of first supporting shaft (15), spout (19) have been seted up to the inside both sides of sleeve (1), sliding block (18) and spout (19) sliding connection, first supporting shaft (15) and sleeve (1) are through sliding block (18) and spout (19) sliding connection, first supporting shaft (15) and second back shaft (16) respectively with the both ends fixed connection of first spring (13), first spring (13) are located the inside of sleeve (1).

2. A dual bearing supported caster wheel according to claim 1, wherein: the two sides of the wheel carrier (7) are respectively provided with a first roller (4) and a second roller (5), the inner part of the first roller (4) is fixedly connected with one end of a connecting sheet (8), the other end of the connecting sheet (8) penetrates through the middle position of the wheel carrier (7) and is fixedly connected with the second roller (5), the connecting sheet (8) is fixedly connected with an iron cylinder (9), and the connecting sheet (8) is located on a side ring of the iron cylinder (9).

3. A dual bearing supported caster wheel according to claim 1, wherein: be equipped with through-hole (10) on wheel carrier (7), iron cylinder (9) have been inlayed to the inside of through-hole (10), the diameter at iron cylinder (9) both ends is greater than the diameter of through-hole (10) iron cylinder (9) are connected with wheel carrier (7) rotation.

4. A dual bearing supported caster wheel according to claim 1, wherein: a plurality of anti-skidding grooves (14) are formed in the thickened rubber anti-skidding layer (6) at equal intervals, and the depth of each anti-skidding groove (14) is 5 mm.

5. A dual bearing supported caster wheel according to claim 1, wherein: two stopper (12), two of the inside fixedly connected with stopper (12) of sleeve (1) stopper (12) are located the both sides position of first supporting shaft (15) respectively, two the below one side position of stopper (12) all is provided with sliding block (18).

6. A dual bearing supported caster wheel according to claim 4, wherein: the width of the anti-skid groove (14) is equal to the width of the side ring of the thickened rubber anti-skid layer (6).

7. A dual bearing supported caster wheel according to claim 1, wherein: the bottom end of the sliding block (18) and the top end of the second supporting shaft (16) are located at the same height.