CN210363200U - Universal wheel for light AGV - Google Patents

Abstract

The utility model discloses an universal wheel for light-duty AGV dolly, including bottom plate, bearing housing, support frame, first pivot, wheel and second pivot, the bearing housing is fixed the bottom of bottom plate forms the bottom plate subassembly, the bearing is impressed in the bearing housing, the bottom plate be equipped with run through the bottom plate and with the first round first rotating-shaft first rotating-hole of looks adaptation, the upper portion of support frame is equipped with run through the support frame and with the second rotating-hole of first round first rotating-shaft looks adaptation, first pivot is followed vertical direction and is upwards passed in proper order down connect into an organic whole with bottom plate subassembly and support frame behind second rotating-hole, bearing, the first rotating-hole, the rotatable installation in lower part of support frame the second pivot, the wheel cover is established in the second pivot. The universal wheel has the characteristics of flexible steering, low noise, smooth walking and the like.

Description

Universal wheel for light AGV

Technical Field

The utility model relates to an universal wheel technical field especially relates to an universal wheel for light-duty AGV dolly.

Background

At present, in daily life, in order to move some heavier objects conveniently, casters are arranged at the bottoms of furniture, household appliances, luggage cases and freight trolleys. The caster wheel is generally divided into a directional wheel and a universal wheel, and the universal wheel is flexible in steering and wide in application.

In the electric commerce sorting industry, the light AGV is also provided with universal wheels to be matched with the light AGV to realize the flexible carrying function. The light AGV is a transport vehicle equipped with an electromagnetic or optical automatic guide device, capable of traveling along a predetermined guide path, having safety protection and various transfer functions, and the travel route and behavior of the light AGV can be controlled by a computer.

However, the existing universal wheels have the following disadvantages that make them unsuitable for mounting on a light AGV:

(1) the bearing capacity is small: the support steering part of the conventional universal wheel only adopts a punch forming structure, namely the steering of the support is realized in a way that the steel balls are wrapped by the upper and lower punching tracks. When the conventional universal wheel is installed on a chassis of the light AGV trolley, under the condition of being pressed, the gap between the track and the steel ball is enlarged, and the bearing capacity of the light AGV trolley is reduced, so that the light AGV trolley cannot be suitable for the light AGV trolley with larger bearing capacity;

(2) poor stability: the light AGV needs to continuously run for a long time and has higher flexibility requirement; in order to enable the universal wheel to meet frequent operation and flexibly steer, the universal wheel is suitable for being installed on a light AGV trolley, if the existing universal wheel is directly installed on the light AGV trolley, and other improvements are not carried out, the problems that the rotation resistance is overlarge, the rotation precision is poor, the abrasion of a pressing track on a support and on a lower pressing track is large and the like can be caused, the normal bearing or the normal walking of the light AGV trolley can be influenced, the light AGV trolley deviates from a set route when steering, and a signal can not be received in a set area in real time.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a constitute rotating part by the bearing, make it turn to accurate, smooth and easy, silence, durable, be applicable to the universal wheel of light AGV dolly.

The purpose of the utility model is realized by adopting the following technical scheme:

a universal wheel for light-duty AGV dolly, including bottom plate, bearing housing, support frame, first pivot, wheel and second pivot, the bearing housing is fixed the bottom of bottom plate forms the bottom plate subassembly, the bearing is impressed in the bearing housing, the bottom plate be equipped with run through the bottom plate and with the first trompil of first pivot looks adaptation, the upper portion of support frame is equipped with run through the support frame and with the second trompil of first pivot looks adaptation, first pivot is followed vertical direction and is upwards passed in proper order from the lower authority with bottom plate subassembly and support frame after second trompil, bearing, the first trompil and link into an integrated entity, the rotatable installation in lower part of support frame the second pivot, the wheel cover is established in the second pivot.

Further, the bearing sleeve is fixed on the bottom plate in a welding mode.

Further, the bearing is a ball bearing.

Furthermore, the dustproof wheel also comprises two dustproof covers which are arranged on two sides of the wheel.

Further, the wheels are plastic wheels.

Further, the first rotating shaft is a socket nail, and the second rotating shaft is a rivet.

Further, the upper surface of the bottom plate is provided with a downward-concave annular groove.

Further, the support frame includes panel and two mounting panels, and two mounting panel symmetries are installed the below of panel is formed with the rotation region between two mounting panels, the second pivot is rotationally installed between two mounting panels, the wheel cover is established in the second pivot is gone up and is located rotate in the region.

Furthermore, the upper surface of the panel is provided with a positioning groove for placing the bearing sleeve, the central position of the positioning groove is provided with an annular step protruding upwards, and the second rotary hole is formed in the central position of the annular step.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the support frame passes through the bearing and realizes using first pivot to carry out the free rotation in vertical direction as the axis, adopts the bearing as rotating-structure, makes the support frame of universal wheel turn to in a flexible way, and the noise is little, and the accuracy is good. The wheels are rotated on the support frame by taking the second rotating shaft as an axis through the second rotating shaft, the wheel body formed by a single wheel can reduce the friction between the wheel body and the bottom surface when walking on the ground, the rotating resistance of the universal wheel is greatly reduced, the universal wheel is enabled to walk smoothly, the rotating stability is improved, the bearing is increased favorably, and the AGV trolley is suitable for being installed on a light AGV trolley for use.

Drawings

FIG. 1 illustrates a block diagram of a universal wheel for a light AGV provided by an embodiment of the present invention;

FIG. 2 illustrates a cross-sectional view of a universal wheel for a light AGV provided by an embodiment of the present invention;

FIG. 3 illustrates an exploded view of the universal wheel for a light AGV embodiment of the present invention.

In the figure: 1. a base plate; 10. a first rotary hole; 11. an annular groove; 2. a bearing; 3. a bearing housing; 4. a support frame; 40. a second rotary hole; 41. mounting holes; 42. a panel; 43. an annular step; 44. a positioning groove; 45. mounting a plate; 5. a first rotating shaft; 6. a wheel; 7. a second rotating shaft; 8. and a dust cover.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "one," "another," and the like are used to distinguish similar elements, and these terms and other similar terms are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Corresponding reference numerals are used throughout the figures to indicate corresponding or corresponding elements (e.g., elements identified as "1 XX" and "2 XX" are structurally identical and functionally similar).

As shown in figures 1-3, the universal wheel for a light AGV provided by the present invention comprises a bottom plate 1, a bearing 2, a bearing housing 3, a supporting frame 4, a first rotating shaft 5, a wheel 6 and a second rotating shaft 7, wherein, the bearing sleeve 3 is fixed at the bottom of the bottom plate 1 to form a bottom plate component, the bearing 2 is pressed into the bearing sleeve 3, the bottom plate 1 is provided with a first rotating hole 10 which penetrates through the bottom plate 1 and is matched with the first rotating shaft 5, the upper part of the supporting frame 4 is provided with a second rotating hole 40 which penetrates through the supporting frame 4 and is matched with the first rotating shaft 5, the first rotating shaft 5 sequentially penetrates through the second rotating hole 40, the bearing 2 and the first rotating hole 10 from bottom to top along the vertical direction to connect the bottom plate assembly and the support frame 4 into a whole, the lower part of support frame 4 is rotatable to be installed second pivot 7, wheel 6 cover is established on second pivot 7.

On the structure foundation, the bearing sleeve 3 is fixed on the bottom plate 1 in a welding mode to form a bottom plate assembly, and the axial movement of the bearing 2 can be overcome by adopting the bearing sleeve 3; the bearing 2 is fixed in the bearing sleeve 3 in a stamping riveting mode to form a rotating assembly; the support frame 4 is riveted and fixed with the bearing 2 in the bottom plate 1 assembly through a first rotating shaft 5 to form a support frame assembly; the wheel 6 is mounted on the corresponding mounting hole 41 of the support frame 4 through the second rotating shaft 7, so that the whole assembly of the universal wheel is completed.

In this embodiment, the support frame 4 is capable of freely rotating in the vertical direction by using the first rotating shaft 5 as an axis through the bearing 2, and the bearing 2 is adopted as a rotating structure, so that the support frame 4 of the universal wheel is flexible in steering, low in noise and good in precision. The wheels 6 rotate on the support frame 4 by taking the second rotating shafts 7 as axes through the second rotating shafts 7, and the wheel body formed by the single wheels 6 can reduce the friction force between the wheels 6 and the bottom surface when walking on the ground, so that the rotating resistance of the universal wheel is greatly reduced, the universal wheel can walk smoothly, the rotating stability is improved, and the bearing is increased, so that the light AGV trolley is more suitable for being installed on a light AGV trolley.

Specifically, the bearing 2 of the present embodiment is preferably a ball bearing 2, which enables the support frame 4 to rotate more flexibly and smoothly, and has the function of reducing noise.

In a preferred embodiment, the wheels 6 of the present embodiment are preferably plastic wheels, so that the wheels 6 can be prevented from scratching the ground.

In particular, the present embodiment further comprises two dust covers 8, and the two dust covers 8 are mounted on both sides of the wheel 6. By mounting the dust cap 8 on the wheel 6, dust is prevented from entering the interior of the wheel 6 and thereby affecting the rotation of the wheel 6. Wherein, the dust cover 8 is preferably a plastic dust cover 8.

In a preferred embodiment, the first shaft 5 is a socket pin, and the second shaft 7 is a rivet. Of course, the first rotating shaft 5 and the second rotating shaft 7 may be other rotating members such as pins.

As a preferred embodiment, the upper surface of the bottom plate 1 is provided with a downwardly concave annular groove 11. Through set up annular groove 11 at bottom plate 1, can alleviate bottom plate 1's weight, and then alleviate the whole weight of universal wheel.

As a preferred embodiment, the supporting frame 4 includes a panel 42 and two mounting plates 45, the two mounting plates 45 are symmetrically mounted below the panel 42, a rotation area is formed between the two mounting plates 45, the second rotating shaft 7 is rotatably mounted between the two mounting plates 45, and the wheel 6 is sleeved on the second rotating shaft 7 and is located in the rotation area. This embodiment supports wheel 6 through setting up support frame 4, and it should be noted that, the support frame 4 of this embodiment only as a strutting arrangement's implementation, in fact, as long as be suitable for the utility model discloses an universal wheel all can regard as strutting arrangement.

Specifically, the upper surface of the panel 42 is provided with a positioning groove 44 for placing the bearing housing 3, the central position of the positioning groove 44 is provided with an annular step 43 protruding upwards, and the second rotary hole 40 is arranged at the central position of the annular step 43. By providing the positioning groove 44, the bearing housing 3 can be positioned, the weight of the support frame 4 can be reduced, and the strength of the face plate 42 is enhanced by the annular step 43.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (9)

1. A universal wheel for light-duty AGV dolly, a serial communication port, including bottom plate, bearing housing, support frame, first pivot, wheel and second pivot, the bearing housing is fixed the bottom of bottom plate forms the bottom plate subassembly, the bearing is impressed in the bearing housing, the bottom plate be equipped with run through the bottom plate and with the first trompil of first pivot looks adaptation, the upper portion of support frame is equipped with run through the support frame and with the second trompil of first pivot looks adaptation, first pivot is followed vertical direction and is upwards passed in proper order down second trompil, bearing, first trompil after with bottom plate subassembly and support frame link into an integrated entity, the rotatable installation in lower part of support frame the second pivot, the wheel cover is established in the second pivot.

2. The universal wheel for a light AGV cart according to claim 1 wherein said bearing sleeves are secured to said floor by welding.

3. The universal wheel for a light AGV cart of claim 1 wherein said bearings are ball bearings.

4. The universal wheel for a light AGV cart of claim 1 further including two dust covers mounted on either side of said wheel.

5. The universal wheel for a light AGV cart of claim 1 wherein said wheels are plastic wheels.

6. The universal wheel for a light AGV cart of claim 1 wherein said first axle is a socket peg and said second axle is a rivet.

7. The universal wheel for a light AGV vehicle of claim 1 wherein the upper surface of the floor is provided with a downwardly concave annular groove.

8. The universal wheel for a light AGV cart of claim 1 wherein said support frame includes a panel and two mounting plates symmetrically mounted beneath said panel with a rotation area therebetween, said second shaft rotatably mounted between said two mounting plates, said wheel housing mounted on said second shaft and located within said rotation area.

9. The universal wheel for a light AGV according to claim 8 wherein the upper surface of the panel is formed with a detent for receiving the bearing housing, the detent having an upwardly projecting annular step at a center thereof, the second slot being formed at a center of the annular step.

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