Heavy high-load mute trundle

Abstract

The utility model discloses a heavy-duty high-load silent caster which comprises a steering part, a support leg and a wheel, the steering part, the support leg and the wheel are vertically and oppositely distributed, the wheel is located in the support leg, the steering part is composed of a bottom plate, an eccentric steering shaft and a rotating outer sleeve, the bottom plate is fixedly connected with the upper end of the eccentric steering shaft, and the rotating outer sleeve is fixedly connected with the lower end of the eccentric steering shaft. The upper surface of the rotating outer sleeve is rotationally connected with the lower end of the eccentric steering shaft, the lower surface of the rotating outer sleeve is fixedly connected with the upper end of the support leg, the support leg is composed of two support leg pieces and a bolt, the two support leg pieces are oppositely distributed front and back, and the upper surfaces of the support leg pieces are fixedly connected with the lower surface of the rotating outer sleeve. The wheels are located between the two support leg pieces, the bolts penetrate through the support leg pieces and the wheels, and the wheels rotate relative to the two support leg pieces through the bolts. By means of the structure, the load of the trundle is improved, no noise exists in operation, the pushing convenience of the trundle is improved, rotation is flexible, and therefore the service life of the trundle is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mute trundle, especially mute trundle of heavy high load. BACKGROUND

[0002] Trundle is indispensable to assist the component of moving article, and the common trundle improves the convenience of moving article through the wheel, but the load capacity of the common trundle is reduced due to simple structure, the trundle cannot smoothly roll and turn when assisting the movement of heavy article, and noise is generated during the movement, which seriously affects the working environment, and even the trundle is damaged, reducing the practicability and use comfort of the trundle. CONTENT

[0003] The utility model discloses a mute trundle of heavy high load, improve the compactness of the overall structure of trundle, improve the load capacity of trundle, and connect two shafts with different radii of rotation, automatically compensate the whole radius of rotation by two shafts, improve the rotation flexibility and the rolling fluency of the wheel during the use of trundle, prolong the service life of trundle, realize noiseless turning, and improve the practicability and use comfort of trundle.

[0004] The utility model discloses a mute trundle of heavy high load, improve the compactness of the overall structure of trundle, improve the load capacity of trundle, and connect two shafts with different radii of rotation, automatically compensate the whole radius of rotation by two shafts, improve the rotation flexibility and the rolling fluency of the wheel during the use of trundle, prolong the service life of trundle, realize noiseless turning, and improve the practicability and use comfort of trundle.

[0005] The utility model discloses a mute trundle of heavy high load, improve the compactness of the overall structure of trundle, improve the load capacity of trundle, and connect two shafts with different radii of rotation, automatically compensate the whole radius of rotation by two shafts, improve the rotation flexibility and the rolling fluency of the wheel during the use of trundle, prolong the service life of trundle, realize noiseless turning, and improve the practicability and use comfort of trundle.

[0006] The utility model discloses a mute trundle of heavy high load, improve the compactness of the overall structure of trundle, improve the load capacity of trundle, and connect two shafts with different radii of rotation, automatically compensate the whole radius of rotation by two shafts, improve the rotation flexibility and the rolling fluency of the wheel during the use of trundle, prolong the service life of trundle, realize noiseless turning, and improve the practicability and use comfort of trundle.

[0007] The utility model discloses a heavy high load mute trundle, two car wheels, the bracket leg piece between two car wheels is provided with the sleeve pipe, and the both sides of sleeve pipe are closely contacted with the surface of car wheel and bracket leg piece.

[0008] The utility model discloses a heavy high load mute trundle, the bolt is provided with the nut at the one end of screwdriver butt joint, and the one end of bolt and screwdriver butt joint is completely located in the inside of nut. Reduce the influence of impurity to the convenience of dismounting bolt.

[0009] Beneficial effects:

[0010] Compared with the prior art, the heavy high load mute trundle is provided with a bottom plate reinforcing sleeve, an eccentric steering shaft and a rotating sleeve, which improves the compactness and load-bearing capacity of the outer part of the trundle, utilizes the eccentric steering shaft and the ball between the eccentric steering shaft and the rotating sleeve to increase the overall strength and steering flexibility of the steering structure of the trundle, realizes noiseless steering, and improves the steering flexibility of the trundle and the steering fluency under the weight-bearing state. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model will be further described below in combination with the drawings and examples.

[0012] Fig. 1 It is the side view structure diagram of the utility model heavy high load mute trundle.

[0013] Fig. 2 It is the front view structure diagram of the utility model heavy high load mute trundle.

[0014] Legend:

[0015] 1, bottom plate, 2, reinforcing sleeve, 3, eccentric steering shaft, 4, rotating sleeve, 5, bracket leg piece, 6, car wheel, 7, bolt, 8, nut, 9, sleeve pipe, 10, steering part, 11, bracket leg part. DETAILED DESCRIPTION

[0016] This part will describe the specific embodiment of the utility model in detail, and the preferred embodiment of the utility model is shown in the drawings. The drawings supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model. However, it cannot be understood as a limitation on the protection scope of the utility model.

[0017] Reference Figs. 1-2The utility model discloses a heavy high load mute trundle, it includes: steering part 10, support leg part 11, wheel 6, steering part 10, support leg part 11, wheel 6 three upper and lower relative distribution, and wheel 6 is located in the inside of support leg part 11, and the above structure mutually cooperates and forms the basic structure of trundle.

[0018] Steering part 10 by bottom plate 1, eccentric steering axle 3, rotating outer cover 4, bottom plate 1 is used to connect with outside component, bottom plate 1 is fixedly connected with the upper end of eccentric steering axle 3, bottom plate 1 lower surface fixedly connected with reinforcing outer cover 2, bottom plate 1 and the connecting node of eccentric steering axle 3 are located in the inside of reinforcing outer cover 2, reinforcing outer cover 2 further improves the connecting stability between eccentric steering axle 3 and bottom plate 1, and avoids the connecting node between bottom plate 1 and eccentric steering axle 3 to expose outside, the upper surface of rotating outer cover 4 is rotationally connected with the lower end of eccentric steering axle 3, the lower surface of rotating outer cover 4 is fixedly connected with the upper end of support leg part 11, rotating outer cover 4 and eccentric steering axle 3 between being provided with ball, and rotating outer cover 4 and eccentric steering axle 3 are rotationally connected through ball, rotating outer cover 4 and eccentric steering axle 3 mutually cooperate and form steering mechanism, wherein the existence of ball reduces the contact area between rotating outer cover 4 and eccentric steering axle 3, further increases the steering flexibility of trundle, and eliminates the noise in steering process, ball is made of high-quality steel, effectively prolongs the service life of ball.

[0019] Support leg part 11 is composed of two support leg pieces 5, a bolt 7, two support leg pieces 5 are distributed opposite in front and back, and the upper surface of support leg piece 5 is fixedly connected with the lower surface of rotating outer cover 4, wheel 6 is located between two support leg pieces 5, bolt 7 penetrates support leg piece 5, wheel 6, and wheel 6 rotates relative to two support leg pieces 5 through bolt 7, bolt 7 is used to integrate wheel 6 with support leg part 11, one end of bolt 7 being provided with screw cap 8 and being docked with screwdriver, the end of bolt 7 being docked with screwdriver is completely located in the inside of screw cap 8, screw cap 8 avoids the part of bolt 7 being docked with screwdriver to expose outside, avoids the convenience of disassembly of bolt 7 to be influenced, wheel 6 is two, sleeve 9 is provided between support leg piece 5 and two wheel 6, and between two wheel 6, the both sides of sleeve 9 are tightly contacted with the surface of wheel 6 and support leg piece 5 respectively, sleeve 9 is plastic material, is used to limit the activity range of wheel 6, reduces the serious deviation of the angle of wheel 6 in steering process.

[0020] Working principle: the bottom plate 1 is connected with the reinforced outer sleeve 2 in the mode of welding, then the eccentric steering shaft 3 is connected with the bottom plate 1, finally the rotating outer sleeve 4 is connected with the two support legs 11 in the mode of welding, when steering, the automatic compensation of the whole rotating radius is realized by the two shafts with different rotating radius of the eccentric steering shaft 3, the rotating fluency is improved, the contact area between the eccentric steering shaft 3 and the rotating outer sleeve 4 in the steering process is directly reduced by the ball, and the noise in the steering process of the caster is directly eliminated.

[0021] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A heavy-duty high load capacity silent caster wheel characterized by, Include: The steering part (10), support leg (11), wheel (6), the steering part (10), support leg (11), wheel (6) three are distributed oppositely, and the wheel (6) is located inside the support leg (11), the steering part (10) is by bottom plate (1), eccentric steering shaft (3), rotating sleeve (4), the bottom plate (1) is fixedly connected with the upper end of eccentric steering shaft (3), the upper surface of rotating sleeve (4) is rotatably connected with the lower end of eccentric steering shaft (3), the lower surface of rotating sleeve (4) is fixedly connected with the upper end of support leg (11); The support leg (11) is composed of two support leg pieces (5), a bolt (7), two support leg pieces (5) are distributed oppositely, and the upper surface of the support leg piece (5) is fixedly connected with the lower surface of the rotating sleeve (4), the wheel (6) is located between the two support leg pieces (5), the bolt (7) penetrates the support leg piece (5), the wheel (6), and the wheel (6) is rotated relative to the two support leg pieces (5) by the bolt (7).

2. A heavy duty high load capacity silent caster according to claim 1, wherein, The lower surface of the bottom plate (1) is fixedly connected with a reinforcing sleeve (2), and the connecting node of the bottom plate (1) and the eccentric steering shaft (3) is located inside the reinforcing sleeve (2).

3. The heavy duty high load capacity silent caster wheel of claim 1, wherein, Ball is arranged between the rotating sleeve (4) and the eccentric steering shaft (3), and the rotating sleeve (4) and the eccentric steering shaft (3) are rotatably connected through the ball.

4. The heavy duty high load capacity silent caster wheel of claim 1, wherein, There are two wheels (6), and a sleeve (9) is arranged between the support leg piece (5) and the two wheels (6) and between the two wheels (6).

5. The heavy duty high load capacity silent caster wheel of claim 1, wherein, The end of the bolt (7) connected with the screwdriver is provided with a nut (8), and the end of the bolt (7) connected with the screwdriver is located completely inside the nut (8).

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