CN102211502A

CN102211502A - Caster

Info

Publication number: CN102211502A
Application number: CN2010106086718A
Authority: CN
Inventors: 户本守
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-28
Filing date: 2010-12-28
Publication date: 2011-10-12
Also published as: JP2011136629A

Abstract

The invention discloses a caster, which comprises a wheel core, a wheel shaft and a wheel frame. The bracket of the caster is fixedly connected with a platen via a vertical shaft. If a bearing is arranged between the wheel frame and the vertical shaft, the wheel frame rotates with the axis of the vertical shaft as the center. The caster is simple in structure, easy in manufacturing and installation, low in cost and good in applicability, thus is suitable for further promotion.

Description

Castor

It is on December 28th, 2009 that the present invention requires the applying date, and application number is the preceence of the Japanese application for a patent for invention of 2009-297322.

Technical field

The invention relates to be used in carry luggage and the conveying trolley of article on caster wheel.

Background technology

Such castor is used in platen 2 following installations that constitute chassis 1 as Fig. 1 is represented.When this places luggage and article above chassis 1, use, below chassis, fixing the wheel carrier of wheel, the other moulding of having to of wheel carrier and platen, cooresponding during fabrication cost cost with general method in order to be more prone to carry.Below this type castor of widespread usage is on the market disclosed at present in two Japanese documentations.

Patent documentation 1: the spy opens bulletin 2003-544209 number, and cycle Regulations Zhi Machine Agencies pays キヤスタ one (universal caster wheel management)

Patent documentation 2: the spy opens bulletin 2006-21677 number, and キヤスタ one and びそれを CIRCUIT-DIAGRAM え move Move body (castor and moving body)

The manipulation pole of the handle of various handbarrows such as chassis of putting down in writing in patent documentation 1 (universal caster wheel management) lining and shopping cart etc. can carry out remote operation, and the convenience of operation is provided for this purpose universal caster wheel.Represented as Fig. 5: connection 2 runs through the axle center of fulcrum 1, the upper end of connection lead 2 is connected with various conveying trolleys bottom part (manipulation pole) in addition, the lower end of connection lead 2, the wheel carrier 4 that rotates freely has been installed at fulcrum 1 place, latching device 8 here has been installed, and the lower end 8a of connection lead 2 and latching device is connected, and fulcrum 1 following adapter plate 11 places have designed locking ditch 12, allow the state that forms locking, consideration will be reached above-mentioned target.

But, 1 li of this patent documentation, 1 li of this patent documentation at adapter plate 11 with platen fixedly do not have a detailed explanation, fixedly consider conventional method with in the past at adapter plate 11 and platen, adopt several bolts that adapter plate 11 and platen are fixed, also to consider the intensity of the bearing that will guarantee bolt and the quantity of bolt, when adopting document 1 record caster wheel to constitute the chassis manufacturing, can spend cooresponding time and cost.

Automatic rotation castor in patent documentation 2 (castor and moving body) lining is compared with few as much as possible parts and can be constituted with technology in the past, provides with the unmodified engineering and can make castor and moving body, and this is also as target.

Patent documentation is being put down in writing as Fig. 6 is represented for 2 li, and castor c design has and the fixing pedestal 1 of chassis, and described pedestal 1 can rotate freely by along continuous straight runs; Castor c also designs wheel support 2 and is supporting the interpolation wheel 3 of wheel support 2; The support sector that constitutes wheel support 2 is 21, has slotted hole 210,210 to be shaped in the face of horizontal surface extends at 21 places; The height of the size of axletree 30 and slotted hole 210 adapts, and it is fixing by screw 31 that axletree 30 passes slotted hole, and axletree 30 can slide along slotted hole 210.

As Fig. 6 was represented, the jack 10 that uses bolt to pass 4 bolts was fixed up pedestal 1 and chassis at the pedestal 1 of 2 li records of patent documentation, this and above-mentioned 1 li record of patent documentation the same, and manufacturing and installation will spend appreciiable time and cost.

In sum, the caster wheel of putting down in writing in patent documentation 1 and the patent documentation 2 is constructed numerous and diverse and the cost cost is higher in actual applications.

Summary of the invention

At the above-mentioned problems in the prior art, purpose of the present invention just provide a kind of tool prior art castor function but make and install simple, the cost cost is low, be more suitable for using caster wheel.

In order to solve above technical matters, castor 4 of the present invention comprise can free change of direction universal caster wheel 41 and direction-caster 42, the technical solution used in the present invention is: 1 vertical axis 5 has been installed on the platen 2 of chassis 1, captive joint with platen 2 in vertical axis 5 upper ends, vertical axis 5 lower ends make wheel carrier 6 fixing by screw or riveted joint pin; Universal core wheel 411 is fixed on the wheel carrier 6 by wheel shaft 412, and described universal core wheel 411 can rotate around wheel shaft; Between vertical axis 5 and wheel carrier 6 bearing 7 is set, wheel carrier 6 can drive the universal core wheel 411 that is fixed on the wheel carrier and rotate freely along the axis horizontal direction of vertical axis 5; Said structure can constitute the employed universal caster wheel 41 of the present invention in chassis 1 the place ahead.

1 vertical axis 5 has been installed on the platen 2 of chassis 1, captives joint with platen 2 in vertical axis 5 upper ends, and vertical axis 5 lower ends make wheel carrier 6 fixing by screw or riveted joint pin; Directed core wheel 421 is fixed on the wheel carrier 6 by wheel shaft 422, and described directed core wheel 421 can rotate around wheel shaft, adopts said structure just to constitute direction-caster 42 of the present invention.

The invention has the beneficial effects as follows: 4 of each castors are fixing with platen 2 by 1 vertical axis 5, do not re-use other bolt, this simple structure, and the while also can not be damaged the function of castor itself, and is simple to operation when castor 4 is installed with platen 2 places.The easier cost-cutting of manufacturing of this castor 4 self, the result also begins to use the manufacturing of chassis 1 of this castor 4 simpler and clearer; This invention castor can also be widely used in other moving body except that chassis simultaneously, and is practical.

Description of drawings

Fig. 1 is the structural representation that adopts the chassis 1 of castor of the present invention.

Fig. 2 is the cutaway view Amplified image of the embodiment of the invention 1 along the A-A line

Fig. 3 is the cutaway view Amplified image of the embodiment of the invention 2 along the B-B line

Fig. 4 is the embodiment of the invention 2 part cutaway view Amplified images

Fig. 5 is the cutaway view that the part of the example of technology of 1 li displaying of patent documentation enlarges

Fig. 6 is the part-structure scheme drawing of the example of technology of 2 li displayings of patent documentation.

The accompanying drawing marking explanation:

1 chassis, 2 platens, 21 connecting panels, 211 weld parts

212 supporting holes, 3 handles, 4 castors, 41 universal caster wheels

411 universal caster wheel core wheels, 412 universal caster wheel wheel shafts, 42 direction-casters

421 direction-caster core wheels, 422 direction-caster wheel shafts, 5 vertical axises

51 spiral shells, 6 wheel carriers, 7 bearings

The specific embodiment

As shown in Figure 1: what castor 4 used in side, chassis 1 the place ahead is cardan wheel 41, and what use in the side, rear of chassis 1 is direction-caster 42, below in conjunction with accompanying drawing universal caster wheel 41 and direction-caster 42 is elaborated by embodiment.

Embodiment 1:

In 2 li in accompanying drawing, showed about the 1st of castor of the present invention and carried out example universal caster wheel 41 that use in described castor 41 the place ahead that is used in chassis 1 as shown in Figure 1, as shown in Figure 2, castor 41 has been mounted a vertical axis 5 at platen 2 places, wheel carrier 6 be installed in the platen 2 that constitutes chassis 1 below.The platen 2 that constitutes chassis 1 can be when touching the tool moulding, with vertical axis 5 and platen 2 integrated fixing; Vertical axis 5 also can adopt fixed forms such as screw to be connected with platen 2; The bottom of described vertical axis 5, as Fig. 2 is represented, link to each other with wheel carrier 6 by bearing 7, the inner ring of bearing 7 and vertical axis 5 match, vertical axis is provided with screw 151 bottom makes wheel carrier 6 fixing, on the other hand, the outer ring of bearing 7 is the inboards that are installed in wheel carrier 6, and wheel carrier 6 is that the center can rotate freely with the axis of vertical axis 5; Be fixed with universal caster wheel wheel shaft 412 on the wheel carrier 6 shown in Figure 2, wheel shaft 412 is being supported universal caster wheel core wheel 411, and universal caster wheel core wheel 411 can be that the center rotates freely with wheel shaft 412.

When use adopting these castor 41 design-calculated chassis 1, by at handle 3 places firmly, can make universal caster wheel core wheel 411 be that the center rotates with wheel shaft 412, thereby chassis is moved forward and backward; By at handle 3 places firmly, also can make wheel carrier 6 drive universal caster wheel core wheels 411 is the center rotation with the axis of vertical axis 5, reaches the purpose that changes the chassis moving direction.

In the above-described embodiments, the lower end of vertical axis 5 also can adopt riveted joint pin etc. to make wheel carrier 6 fixing.

Embodiment 2:

What Fig. 3 was showed the inside is the direction-caster 42 that castor of the present invention uses later at chassis 1, wheel carrier 6 is being supported direction-caster core wheel 421, vertical axis 5 upper ends are directly installed on the platen 2 by screw, captive joint with wheel carrier 6 in vertical axis 5 lower ends, direction-caster core wheel 421 is captiveed joint with wheel carrier 6 by wheel shaft 422, and direction-caster core wheel 421 can rotate around wheel shaft 422.

Vertical axis 5 upper ends also can adopt modes such as welding to captive joint with platen 2 in this embodiment 2, for reaching this purpose, as shown in Figure 4, below platen 2, be welded to connect plate 21, weld part is 211, and described connecting panel 21 is provided with supporting hole 212, makes vertical axis 5 fixing with platen 2 by connecting panel 21.

Castor of the present invention can be widely used in moving bodys such as chassis, shopping cart; The foregoing description is an explanation of the invention, should not be considered as limitation of the present invention, but any improvement of doing based on spirit of the present invention, all should be within protection scope of the present invention.

Claims

1. a castor comprises core wheel, wheel shaft and wheel carrier, and described core wheel is fixed on the wheel carrier by wheel shaft, and core wheel is that rotate at the center with the wheel shaft, and it is characterized in that: the wheel carrier of described castor is only captiveed joint with platen by a vertical axis (5).

2. castor according to claim 1 is characterized in that: be provided with bearing (7) between described wheel carrier and the vertical axis (5), wheel carrier is the center rotation with the vertical axis axis.