CN212472966U

CN212472966U - Durable double-shaft bearing type caster

Info

Publication number: CN212472966U
Application number: CN202020401237.1U
Authority: CN
Inventors: 韩利源
Original assignee: Jiaxing Yajie Gold Plastic Products Co ltd
Current assignee: Zhejiang Yajie Energy Equipment Co.,Ltd.
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2021-02-05
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a heavy truckle of durable type duplex bearing belongs to mechanical technical field, including the wheel body, flat indent has been seted up in the outside of wheel body, the outside in flat indent is inlayed and is connected with the pocket net, the tire has been cup jointed in the outside of wheel body, the shaft hole has been seted up to the inside of wheel body, just the draw-in groove has been seted up to the both sides in shaft hole, the internal clearance of draw-in groove is connected with the accurate bearing of high strength. The utility model discloses an inside dress of draw-in groove of seting up in shaft hole both sides is through the high strength precision bearing that heat treatment was passed through, can make the truckle rotate more in a flexible way, because the clearance of the inside ball of bearing is littleer than original for the wearability of bearing is higher, and bearing strength is stronger, has improved the life of truckle greatly, and the rubber pad of connecting at the surperficial interference of truckle outside tire simultaneously can make the truckle compare before have certain ability of climbing, and then can improve the result of use greatly.

Description

Durable double-shaft bearing type caster

Technical Field

The utility model relates to the technical field of machinery, especially, relate to a heavy truckle of durable type duplex bearing.

Background

The caster is a general name, and comprises a movable caster, a fixed caster and a movable caster with a brake. The movable caster wheel is also called a universal wheel, and the structure of the movable caster wheel allows 360-degree rotation; the fixed caster is also called a directional caster, and has no rotating structure and can not rotate. Generally, two types of casters are used in combination, such as a cart having two directional wheels at the front and two universal wheels at the rear adjacent the push arm. The truckle has the truckle of multiple material, like pp truckle, PVC truckle, PU truckle, cast iron truckle, nylon truckle, TPR truckle, iron core nylon truckle, iron core PU truckle etc..

The patent number CN204077240U discloses a caster which comprises a support with a downward opening, a rolling wheel connected to the lower part of the support in a rolling way through a horizontal shaft, and a caster mounting shaft assembly vertically and rotatably connected with the support, wherein a brake shaft crossing the support is arranged on the support above the rolling wheel, a brake plate capable of swinging around the brake shaft is arranged on the brake shaft, the upper surface of the brake plate at the end positioned in the support is respectively provided with a brake positioning surface and a brake plate horizontal positioning surface, and the lower surface of the end far away from the support is provided with a brake surface capable of pressing the wheel surface of the rolling wheel; the brake plate swings downwards until the brake surface of the brake plate is tightly pressed on the wheel surface of the rolling wheel, and the brake positioning surface is just propped against the inner bottom surface of the bracket. It just can realize the single function of stopping of truckle with two parts of brake axle and brake block, makes the equipment process of brake part very reduce, need not to accomplish with the help of the machine in addition when the equipment to greatly reduced the production and the assembly cost of truckle, consequently the utility model discloses a structure is more reasonable.

The above-mentioned caster has several drawbacks in use: 1. the middle of the wheel is directly provided with the through hole, a single simple iron sheet bearing is used, and after the wheel is arranged, the gap is larger, the wear resistance is not high, and the bearing strength is not high. 2. Above-mentioned truckle is because the truckle surface is comparatively smooth when using, can't climb and have the step of a take the altitude, does not have the structure of balanced tire pressure simultaneously, makes the tire burst easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides a durable type biax bearing type truckle, aim at installing the high strength precision bearing through heat treatment through the draw-in groove inside that sets up in shaft hole both sides, can make the truckle rotate more in a flexible way, because the clearance of the inside ball of bearing is littleer than original, make the wearability of bearing higher, bearing strength is stronger, the life of truckle has been improved greatly, the rubber pad who connects at the surperficial interference of truckle outside tire simultaneously, can make the truckle compare have the certain ability that climbs before, and then can improve the result of use greatly.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of durable type duplex bearing heavy truckle, comprises a wheel body, flat indent has been seted up in the outside of wheel body, the outside in flat indent is inlayed and is connected with the pocket net, the tire has been cup jointed in the outside of wheel body, the shaft hole has been seted up to the inside of wheel body, just the draw-in groove has been seted up to the both sides in shaft hole, the inside gap junction of draw-in groove has the accurate bearing of high strength.

Optionally, the two sides of the wheel body are connected with reinforcing ribs in an interference manner, and the number of the reinforcing ribs is two.

Optionally, the flat pressing groove is filled with a plurality of hollow rubber balls, and the number of the hollow rubber balls is several.

Optionally, the surface of the tire is connected with a plurality of rubber cushion blocks in an interference manner.

The utility model has the advantages as follows:

1. the utility model discloses a high strength precision bearing of installation, during the use, owing to installed the high strength precision bearing that has passed through thermal treatment in the inside dress of draw-in groove of seting up in shaft hole both sides, can make the truckle rotate more in a flexible way, the clearance of the inside ball of high strength precision bearing is littleer than single simple and easy iron sheet bearing's clearance simultaneously for the wearability of bearing is higher, and bearing strength is stronger, and then has improved the life of truckle greatly.

2. The utility model has the advantages that when in use, the tyre is arranged on the surface of the outer side of the wheel body, the pocket net in the flat pressing groove can prevent the hollow rubber ball from being exposed, the hollow rubber ball is made of rubber material and is filled with air, so the hollow rubber ball has certain deformation capacity, when the tyre is stressed to generate certain deformation, the hollow rubber ball can be stressed to generate certain deformation, the tyre pressure in the tyre can be stabilized, the tyre can be prevented from being burst due to overlarge tyre pressure caused by bearing overload, the rubber cushion blocks arranged on the outer side of the tyre can be compressed to a certain extent when the caster moves, the elongation of the rubber cushion blocks at the bottom end is smaller than that of the rubber cushion blocks at both sides, and the rubber cushion blocks at both sides can be lapped on one side of the step, the caster drives the machine to have certain climbing capacity due to the friction force between the rubber and the step, and the gap between the rubber cushion blocks can enable the caster to be positioned easily relative to the arc tire, so that the machine is prevented from slipping under the condition that the machine does not need to move.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a wheel body of a durable dual-axis bearing caster according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a durable dual-axis load-bearing caster according to an embodiment of the present invention;

fig. 3 is a schematic side view of a durable dual-axis load-bearing caster according to an embodiment of the present invention;

fig. 4 is a schematic view of an internal structure of a flat pressing groove of a durable dual-axis bearing caster according to an embodiment of the present invention.

In the figure: 1. a wheel body; 2. a shaft hole; 3. reinforcing ribs; 4. a flat pressing groove; 5. net-holding; 6. a hollow rubber ball; 7. a card slot; 8. high strength precision bearings; 9. a tire; 10. and a rubber cushion block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 belong to the protection scope of the present invention.

A durable biaxial weight bearing caster according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 4.

Referring to fig. 1 and 2, a durable dual-axle bearing caster provided in an embodiment of the present invention includes a caster body 1, the outer side of the caster body 1 is provided with a flat pressing groove 4, the outer side of the flat pressing groove 4 is connected with a pocket net 5 in an embedded manner, the outer side of the caster body 1 is sleeved with a tire 9, the inner side of the caster body 1 is provided with an axle hole 2, and the two sides of the axle hole 2 are provided with clamping grooves 7, the internal gap of the clamping groove 7 is connected with a high-strength precision bearing 8, the high-strength precision bearing after heat treatment is installed inside the clamping groove arranged at the two sides of the axle hole, so that the caster can rotate more flexibly, because the gap between the balls inside the bearing is smaller than the original one, the bearing has higher wear resistance and stronger bearing strength, the service life of the caster is greatly prolonged, and meanwhile, the rubber cushion block connected to the surface of the tire outside the caster can enable the caster to have a, and then the use effect can be greatly improved.

Referring to fig. 1 and 3, the two sides of the wheel body 1 are connected with reinforcing ribs 3 in an interference manner, the number of the reinforcing ribs 3 is 3, and the strength of the wheel body can be increased through the installed reinforcing ribs.

Referring to fig. 4, the flat pressing groove 4 is filled with a plurality of hollow rubber balls 6, and the tire pressure of the tire can be balanced by the hollow rubber balls 6.

Referring to fig. 3, the surface of the tire 9 is connected with a plurality of rubber pads 10 in an interference manner, and the caster has a certain climbing capability through the installed rubber pads 10.

The embodiment of the utility model provides a durable double-shaft bearing type caster, when in use, because the high-strength precision bearing 8 which is processed by heat treatment is arranged in the clamping groove 7 arranged at the two sides of the shaft hole 2, the caster can rotate more flexibly, simultaneously, the clearance of the ball inside the high-strength precision bearing 8 is smaller than that of a single simple iron sheet bearing, the bearing has higher wear resistance and stronger bearing strength, thereby greatly prolonging the service life of the caster, when in use, the tire 9 is arranged on the surface of the outer side of the wheel body 1, the pocket net 5 inside the flat pressing groove 4 can prevent the hollow rubber ball 6 from being exposed, the hollow rubber ball 6 is made of rubber material, the interior is filled with air, therefore, the hollow rubber ball 6 has certain capability of generating deformation, thereby when the tire 9 generates certain deformation under pressure, the hollow rubber ball 6 can generate certain deformation under stress, make the inside tire pressure of tire 9 can be stabilized and get off, and then can prevent that tire 9 from leading to the tire pressure too big and producing the condition of blowing out and taking place because of bearing overload, install the rubber cushion 10 in the tire 9 outside simultaneously, can produce certain compression when the truckle is removed, and then make the elongation of the rubber cushion 10 of bottom be less than the elongation of the rubber cushion 10 of both sides, and then make both sides rubber cushion 10 can overlap joint in one side of step, afterwards because the frictional force of rubber and step, make the truckle drive machinery have certain climbing ability, gap between the rubber cushion 10 that follows, can make the relative circular arc tire of truckle fix a position more easily, prevent that machinery from producing the condition of sliding under the condition that does not need to remove and taking place.

It should be noted that, the utility model relates to a durable type biax bearing type truckle, including wheel body 1, shaft hole 2, strengthening rib 3, concora crush groove 4, pocket net 5, hollow rubber ball 6, draw-in groove 7, high strength precision bearing 8, tire 9, rubber cushion 10, above-mentioned electrical components are prior art product, by the needs of technical staff in the field according to the use, select, install and accomplish the debugging operation of circuit, ensure that each can normally work with electrical apparatus, the part is the part that general standard spare or technical staff in the field know, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method, this applicant does not do specific restriction here.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a heavy truckle of durable type duplex bearing, includes wheel body (1), its characterized in that, flat indent (4) have been seted up in the outside of wheel body (1), the outside in flat indent (4) is inlayed and is connected with pocket net (5), tire (9) have been cup jointed in the outside of wheel body (1), shaft hole (2) have been seted up to the inside of wheel body (1), just draw-in groove (7) have been seted up to the both sides in shaft hole (2), the internal clearance of draw-in groove (7) is connected with high strength precision bearing (8).

2. The durable dual-bearing heavy caster according to claim 1, wherein reinforcing ribs (3) are connected to both sides of the caster body (1) in an interference manner, and the number of the reinforcing ribs (3) is 3.

3. The durable dual-bearing heavy caster according to claim 1, wherein the flat groove (4) is filled with hollow rubber balls (6) inside, and the number of the hollow rubber balls (6) is several.

4. A durable double-bearing heavy duty castor according to claim 1, wherein said tyre (9) has a rubber pad (10) interference-attached to its surface, and said rubber pad (10) is plural in number.