CN212949984U - AGV duplex bearing universal castor - Google Patents

Abstract

The utility model provides a AGV duplex bearing universal caster, which comprises a base, spacing bulge loop, turn to and hold in the palm, and a support, the gyro wheel, the pivot, bearing one, the nut, the clamping ring, bearing two and step are riveted and are tied, spacing bulge loop sets up terminal surface under the chassis, the nut is fixed at the chassis intermediate position, the step is riveted and is tied and connect at the nut downside, turn to and hold in the palm the setting at the chassis downside, the clamping ring is fixed and is being turned to and hold in the palm the inboard, bearing one assembly is in the chassis and turn to between holding in the palm, bearing two assembles between step riveting tie and clamping ring, the support is fixed and is turning to holding in the palm both sides before the terminal surface down, the gyro wheel assembly is inboard at the support, the pivot assembly is inside the gyro wheel, original universal wheel structure bearing capacity is lower has been solved in this design, the not.

Description

AGV duplex bearing universal castor

Technical Field

The utility model relates to a AGV duplex bearing universal castor belongs to universal castor technical field.

Background

The castor is a so-called movable caster, and the structure of the castor allows 360-degree horizontal rotation. The caster is a general term and comprises a movable caster and a fixed caster. The fixed caster has no rotating structure, can not rotate horizontally but can only rotate vertically. These two types of casters are commonly used in combination, for example, a cart has a structure with two fixed wheels at the front and two movable universal wheels at the rear, which are close to the pushing handrail.

The inside bearing structure of universal castor in the past supports for single bearing, and easy atress too big increase resistance, and accelerated wear, single bearing design makes the design bearing capacity not high in addition, and current universal wheel structure bearing capacity is lower, and bearing structure is not good, and the problem that the aforesaid appears is solved to AGV duplex bearing universal castor of now urgent need.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a AGV duplex bearing universal castor to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure satisfies low focus, high bearing demand, improves and turns to the flexibility ratio.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a AGV duplex bearing universal caster, includes chassis, spacing bulge loop, turns to support, gyro wheel, pivot, bearing one, nut, clamping ring, bearing two and step riveting bolt, spacing bulge loop sets up terminal surface under the chassis, the nut is fixed at the chassis intermediate position, the step riveting bolt is connected at the nut downside, turn to and hold in the palm the setting at the chassis downside, the clamping ring is fixed and is turning to holding in the palm the inboard, an assembly of bearing is in the chassis and turns to between the support, two assemblies of bearing are riveted between bolt and clamping ring at the step, the support is fixed and is being turned to the support and hold in the palm both sides back before the terminal surface, the gyro wheel assembly is inboard at the support, the pivot assembly is inside the gyro wheel.

Further, the step rivet bolt upside is equipped with the external screw thread, the nut inner wall is equipped with the internal thread, and the internal thread meshes with the external screw thread mutually.

Furthermore, the upper end face of the steering support is provided with a groove, and the groove is matched with the limiting convex ring.

Further, the annular side face of the rotating shaft is sleeved with a third bearing, the rotating shaft is connected with the roller through the third bearing, and the front side and the rear side of the rotating shaft are fixed on the lower side of the support.

Furthermore, chamfers are arranged on the front side and the rear side of the annular side face of the roller.

Furthermore, the upper end face of the chassis is provided with a bolt hole.

The utility model has the advantages that: the utility model discloses a AGV duplex bearing universal castor, because of the utility model discloses having added chassis, spacing bulge loop, having turned to and held in the palm, support, gyro wheel, pivot, bearing one, nut, clamping ring, bearing two and step riveting bolt, this design can satisfy low focus, high bearing and arbitrary direction is rotatory, and it is lower to have solved original universal wheel structure bearing capacity, and the not good problem of bearing structure has improved the utility model discloses a practicality.

Because of the step rivets the upside and is equipped with the external screw thread, the nut inner wall is equipped with the internal thread, and the internal thread meshes with the external screw thread mutually, this design makes the step rivet bolt and chassis zonulae occludens, improve the pressfitting effect, be equipped with the recess because of turning to the support up end, and recess and spacing bulge loop phase-match, the effect of spacing and protection bearing one is played in this design, it is equipped with bearing three because of pivot annular side cover, the pivot is connected with the gyro wheel through bearing three, both sides are fixed at the support downside around the pivot, this design makes the gyro wheel nimble rotation, both sides are equipped with the chamfer because of gyro wheel annular side front and back, this design improves and turns to the flexibility ratio, the utility model discloses rational in infrastructure.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of an AGV dual-bearing universal caster of the present invention;

FIG. 2 is a left side sectional view of an AGV dual-bearing caster of the present invention;

in the figure: 1-chassis, 2-limit convex ring, 3-steering support, 4-bracket, 5-roller, 6-rotating shaft, 7-bearing I, 8-nut, 9-press ring, 10-bearing II and 11-step rivet bolt.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a AGV duplex bearing universal caster, including chassis 1, spacing bulge loop 2, turn to and hold in the palm 3, support 4, gyro wheel 5, pivot 6, bearing 7, nut 8, the clamping ring 9, two 10 and step riveting 11, spacing bulge loop 2 sets up terminal surface under chassis 1, nut 8 is fixed at 1 intermediate position on chassis, step riveting 11 is connected at nut 8 downside, turn to and hold in the palm 3 settings at 1 downside on chassis, clamping ring 9 is fixed and is turning to and hold in the palm 3 inboards, bearing 7 assembly is at chassis 1 and turn to and hold in the palm between 3, two 10 assemblies of bearing are riveted between 11 and clamping ring 9 at the step, support 4 is fixed and is turning to 3 rear end front and back both sides under the terminal surface, gyro wheel 5 assembles at support 4 inboardly, pivot 6 assembles inside gyro wheel 5, original universal wheel structure bearing capacity is lower has been solved in this design, the not good problem.

Step riveting bolt 11 upside is equipped with the external screw thread, 8 inner walls of nut are equipped with the internal thread, and the internal thread meshes with the external screw thread mutually, this design makes step riveting bolt 11 and chassis 1 zonulae occludens, improve the pressfitting effect, it is equipped with the recess to turn to hold in the palm 3 up end, and recess and spacing bulge loop 2 phase-match, this design plays spacing and the effect of protection bearing 7, 6 annular side covers of pivot are equipped with bearing three, pivot 6 is connected with gyro wheel 5 through bearing three, both sides are fixed at 4 downside of support around the pivot 6, this design makes gyro wheel 5 nimble rotate, both sides are equipped with the chamfer around 5 annular side of gyro wheel, this design improves and turns to the flexibility ratio, the bolt hole has been seted up to chassis 1 up the up end.

As an embodiment of the present invention: can find out through carrying out the analysis to the universal caster structure, because step riveting bolt 11 is connected with upside and 8 screw threads of nut twist, it turns to through step riveting bolt 11 and holds in the palm 3 and chassis 1 zonulae occludens to make, improve the resistance to compression effect, it is connected through two 10 bearings with step riveting bolt 11 to turn to hold in the palm 3 to turn to, it is equipped with the recess to turn to hold in the palm 3 up end, and recess and spacing bulge loop 2 phase-match, play spacing and the effect of protection bearing 7, both sides are equipped with the chamfer around 5 annular side of gyro wheel, improve and turn to the flexibility ratio, pass the bolt hole with chassis 1 up end at the assigned position through external bolt at last, make things convenient for universal caster's installation to use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a AGV duplex bearing universal castor which characterized in that: including chassis, spacing bulge loop, turn to and hold in the palm, support, gyro wheel, pivot, bearing one, nut, clamping ring, bearing two and step riveting bolt, spacing bulge loop sets up terminal surface under the chassis, the nut is fixed at the chassis intermediate position, the step riveting bolt is connected at the nut downside, turn to and hold in the palm the setting at the chassis downside, the clamping ring is fixed and is turning to holding in the palm the inboard, bearing one assembles in the chassis and turns to between holding in the palm, two assemblies of bearing are riveted between bolt and clamping ring at the step, the support is fixed and is turning to holding in the palm both sides before the terminal surface, the gyro wheel assembly is inboard at the support, the pivot assembly is inside the gyro wheel.

2. An AGV dual bearing castor according to claim 1, wherein: the upper side of the step riveting bolt is provided with an external thread, the inner wall of the nut is provided with an internal thread, and the internal thread is meshed with the external thread.

3. An AGV dual bearing castor according to claim 1, wherein: the upper end face of the steering support is provided with a groove, and the groove is matched with the limiting convex ring.

4. An AGV dual bearing castor according to claim 1, wherein: the annular side face of the rotating shaft is sleeved with a third bearing, the rotating shaft is connected with the roller through the third bearing, and the front side and the rear side of the rotating shaft are fixed on the lower side of the support.

5. An AGV dual bearing castor according to claim 1, wherein: chamfers are arranged on the front side and the rear side of the annular side face of the roller.

6. An AGV dual bearing castor according to claim 1, wherein: the upper end face of the chassis is provided with a bolt hole.

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