CN202716673U

CN202716673U - Universal wheel assembly

Info

Publication number: CN202716673U
Application number: CN 201220238756
Authority: CN
Inventors: 高元鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-24
Filing date: 2012-05-24
Publication date: 2013-02-06
Anticipated expiration: 2022-05-24

Abstract

The utility model relates to a universal wheel assembly, which comprises a wheel casing, a wheel rack and a wheel, wherein the wheel and the wheel rack are fixed by a rotation-stopping transverse shaft, the wheel rack is fixedly connected with the wheel casing by a rotary shaft, the upper part of the rotary shaft is fixedly connected with the wheel casing, and the lower part of the rotary shaft and the bottom of the wheel rack are provided with a rotary shaft mounting fixing hole in which the wheel rack can rotate. The universal wheel assembly has the characteristics that the assembly structure is simple and convenient, the appearance is attractive, the production and processing efficiencies are high, the cost is low, the rotation function is more stable and flexible, the abrasion and impact are resisted when the universal wheel assembly is used, the noise is not generated, the service life is long, the performance is stable, and the environment-friendly and energy-saving effects are realized.

Description

A kind of cardan wheel assembly parts

Technical field

The utility model relates to the cardan wheel assembly parts, relates generally to the cardan wheel assembly parts of luggage.

Background technology

Existing cardan wheel assembly parts comprises hub, wheel carrier, wheel, lateral shaft of wheel use and wheel carrier to be fixed, is furnished with the Double layer iron pad in the middle of hub and the wheel carrier, the middle placement of Double layer iron pad is packed into several little iron shots in the vinyl disc hole, the structure that can rotate a similar bearing iron shot dish realizes the purpose of wheel carrier and hub rotation, this class mounting structure needs first iron shot to be knocked in the iron shot dish, by multi agent cooperation Double layer iron pad, iron shot dish are put into the wheel carrier groove again, be combined with hub again and add rivet punch ram riveted.The in process of production waste of manpower of this structure, material resources, not energy-conservation, and assembly difficulty is large, particularly with the iron shot dish, when the Double layer iron pad is packed wheel carrier usefulness rivet and wheel seat riveted into, because dynamics is inhomogeneous during punching machine presses, size is unstable behind its riveted, iron shot and Double layer iron pad gap be little then rotate dumb, greatly then rock in the gap, be difficult to reach unified standard, this structure also when rotated iron shot and upper lower gasket friction produces very large noise, thereby flexibility of revolution and the feature of environmental protection of cardan wheel assembly parts have been had a strong impact on, in actual production, efficient is low in the practical process, cost is high, not energy-conserving and environment-protective, waste is large, and it is not wear-resisting, not shock-resistant, noise is large, in-use performance is unstable and the life-span short.

The utility model content

The purpose of this utility model provides a kind of cardan wheel assembly parts, this cardan wheel assembly parts mounting structure is simple and convenient, production and processing efficient is high, assembly clearance is accurate, cost is low, spinfunction is more stable, flexibly, more wear-resisting, shock-resistant when using, noiselessness, life-span length, stable performance, energy-conserving and environment-protective.

The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of cardan wheel assembly parts, comprise hub, wheel carrier, wheel, described wheel is fixed by a spline transverse axis and wheel carrier, be connected by a S. A. between wherein said wheel carrier and the hub, captive joint with hub in described S. A. top, the S. A. bottom can cooperate the wheel carrier rotation with the interior S. A. mounting hole of setting of wheel carrier.

On the basis of technique scheme, the utility model can also be done following improvement.

Further, described S. A. bottom is provided with circular trough, wheel carrier bottom concealed location is provided with pin hole, described pin hole is corresponding with the position of S. A. lower circular, pin hole is provided with a bayonet lock in addition, a bayonet lock part is inserted the circular trough of S. A. bottom, and bayonet lock adds the screw pad with screw and is fixed on the wheel carrier bottom and matches with the S. A. lower circular.

Further, a circular gasket is joined on described S. A. top, match with hub above the circular gasket, appear on the stage with S. A. below the pad and become the plane after terrace cooperates, this plane to the distance of S. A. bottom faces has added iron gasket then greater than the degree of depth of S. A. mounting hole when assembling, do not assemble iron gasket less than the degree of depth of S. A. mounting hole.

Further, an end is that circular flat is planar bottom the described S. A..

Further, on the circular trough of described S. A. the plane to the distance of S. A. mounting hole base plane less than above the pin hole to the distance between the S. A. mounting hole bottom, the circular trough lower plane of S. A. to the distance of S. A. mounting hole base plane less than the distance between bottom the S. A. mounting hole below the pin hole.

Further, be provided with iron gasket between the base plane of described S. A. and the S. A. mounting hole bottom, assemble behind this iron gasket S. A. appear on the stage terrace to the distance between the bottom will be greater than the degree of depth of S. A. mounting hole, on the circular trough of S. A. the plane to the distance of S. A. mounting hole base plane also will greater than above the pin hole to the distance between the S. A. mounting hole bottom.

The beneficial effects of the utility model are: owing to be connected by a S. A. between wheel carrier and the hub in the above-mentioned technical solution, the S. A. bottom can cooperate the wheel carrier rotation with the interior S. A. mounting hole of setting of wheel carrier, such structure is simpler when operation, convenient, cooperate rotation by S. A. with S. A. peace assembly opening because be, therefore the adding iron gasket is packed into freely rotatable in the wheel carrier after when assembling that S. A. top and hub riveted is fixing, it is more accurate that assembly clearance is controlled, do not cause the gap size between Double layer iron pad and the iron shot to differ in the time of can not existing because of the punch press riveted, it is dumb to have solved rotation, rock large, the uncontrollable shortcoming of noise and assembly clearance, so the utility model cardan wheel assembly parts has rotation flexibly, noiselessness, outward appearance is perfect, wear-resisting, shock-resistant, long service life, stable performance, the characteristics of energy-conserving and environment-protective.

Description of drawings

The cardan wheel assembly parts part-structure scheme drawing that Fig. 1 provides for the utility model;

Fig. 2 is the enlarged diagram of S. A. and circular gasket among Fig. 1;

Fig. 3 is the enlarged diagram of bayonet lock among Fig. 1, screw pad, screw;

Fig. 4 is the cardan wheel assembly parts overall package example structure scheme drawing that the utility model provides;

Fig. 5 is the enlarged diagram of the iron gasket among Fig. 4;

Fig. 6 is spline arbor wheel frame square opening;

In the accompanying drawing, the list of parts of each label representative is as follows:

1, hub, 2, circular gasket, 2-1, above, 2-2, below, 3, wheel carrier, 4, S. A., 4-1, the terrace of appearing on the stage, 5, circular trough, 5-1, upper plane, 5-2, lower plane, 6, S. A. mounting hole, 7, pin hole, 8, bayonet lock, 9, screw pad, 10, screw, 11, iron gasket, 12, wheel, 13, the spline transverse axis, 14, the wheel carrier square opening.

The specific embodiment

Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used for explaining the utility model, is not be used to limiting scope of the present utility model.

Such as Fig. 1～2, Fig. 4, shown in Figure 6, the utility model provides a kind of cardan wheel assembly parts, comprise hub 1, wheel carrier 3, wheel 12, wheel 12 is fixing with wheel carrier 3 by a spline transverse axis 13, be connected and fixed by a S. A. 13 between described wheel carrier 3 and the hub 1, described S. A. 4 tops and hub 1 are connected and fixed, S. A. 4 bottoms can cooperate wheel carrier 3 rotations with the S. A. mounting hole 6 that wheel carrier 3 bottoms are provided with, it is simple that this cardan wheel assembly parts has a mounting structure, convenient, outward appearance is perfect, production and processing efficient is high, cost is low, be convenient to maintenance, spinfunction is more stable, flexibly, wear-resisting during use, shock-resistant, noiselessness, life-span is long, stable performance, the characteristics of energy-conserving and environment-protective.

Such as Fig. 1～4, shown in Figure 6, described S. A. bottom is provided with circular trough 5, wheel carrier 3 bottom concealed locations are provided with pin hole 7, described pin hole 7 is corresponding with the position of S. A. 4 lower circular 5, pin hole 7 is provided with a bayonet lock 8 in addition, bayonet lock 8 parts are inserted S. A. 4 lower circular 5, bayonet lock 8 usefulness screws 10 add screw pad 9 and are fixed on wheel carrier 3 bottoms and match with S. A. 4 lower circular 5, this structure can play the effect that S. A. 4 and S. A. mounting hole 6 are deviate from, can also play spline transverse axis 13 and remove easily function, hidden wheel carrier 3 outward appearances that cause in pin hole 7 positions that are arranged on wheel carrier 3 bottoms are perfect, in the production and use procedure of reality, mainly be that wheel 12 produces bad and damage easily with spline transverse axis 13, wheel carrier 3 also will damage when dismounting is safeguarded, hub 1 is but not fragile, cardan wheel assembly parts in the past can only all be changed and scrap, and cardan wheel assembly parts of the present utility model is spline transverse axis 13 because of what use, spline transverse axis 13 square faces are with after wheel carrier square opening 14 cooperates, spline transverse axis 13 can not rotate when dimension is partly removed spline transverse axis 13 riveteds and be easy to, extract spline transverse axis 13, Unscrewed screw 10 takes off screw pad 9, bayonet lock 8, change wheel carrier 3, wheel 12, arbitrary damage assembly parts of spline transverse axis 13, can re-assembly, obtain the intact cardan wheel assembly parts of a cover, in this maintenance, only damage spline transverse axis 13, other accessories all can recycle again, having demonstrated fully the utility model cardan wheel assembly parts is convenient to safeguard, outward appearance is perfect, and cost is low, efficient is high, the characteristics of energy-conserving and environment-protective.

Such as Fig. 1～2, Fig. 4, shown in Figure 6, a circular gasket 2 is joined on described S. A. top, plane 2-1 matches with hub 1 on the circular gasket 2, circular gasket 2 lower plane 2-2 appear on the stage with S. A. 4 and become the plane after terrace 4-1 cooperates, this plane to the distance of S. A. 4 bottom faces has added 11 degree of depth greater than S. A. mounting hole 6 of iron gasket when assembling, do not assemble 11 degree of depth that are slightly less than S. A. mounting hole 6 of iron gasket, such structure setting is in order to allow S. A. 4 appear on the stage terrace 4-1 and circular gasket 2 top and bottom and riveted is fixing above the hub 1 does not break away from, S. A. 4 bottoms will be higher than plane on the S. A. mounting hole 6 to the 4-1 face of topping bar to S. A. mounting hole 6 middle adding iron gasket 11 rear S. A.s 4, it is the top of wheel carrier 3, avoid 2 frictions of wheel carrier 3 tops and circular gasket and affected the flexibility of revolution of cardan wheel assembly parts, gap between wheel carrier 3 tops and the circular gasket 2 is then produced by iron gasket 11 so that in producing fitting process its assembly clearance control more accurate.

Shown in Fig. 1～2, Fig. 4～5, described S. A. 4 bottoms are plane, such structure can be so that the little then rub resistance more of even, the friction force of friction area of thrust surface between S. A. 4 and the S. A. mounting hole 6, thereby make the long service life of cardan wheel assembly parts, stable performance and rotate flexibly characteristics.

Shown in Fig. 1～5, plane 5-1 is slightly less than above the pin hole 7 to the distance between S. A. mounting hole 6 bottoms to the distance of S. A. mounting hole 6 base plane on the circular trough 5 of described S. A. 4, the circular trough 5 lower plane 5-1 of S. A. 4 to the distance of S. A. mounting hole 6 base plane less than below the pin hole 7 to the distance between S. A. mounting hole 6 bottoms, after adding iron gasket 11 between S. A. 4 bottoms and S. A. mounting hole 6 bottoms, plane 5-1 also will be greater than the distance that arrives above the pin hole 7 between S. A. mounting hole 6 bottoms to the distance of S. A. mounting hole 6 base plane on the circular trough 5, such structure is so that pack iron gasket 11 behind S. A. 4 and S. A. mounting hole 6 bottoms into, bayonet lock 8 is in the midway location of circular trough 5, bayonet lock 8 can not rub with circular trough 5 top and bottom, and actv. has avoided bayonet lock 8 to have influence on the alerting ability of cardan wheel assembly parts and the noise that friction produces with the friction of circular trough 5 top and bottom.

Shown in Fig. 4～5, the another kind of embodiment that the utility model provides, S. A. 4 bottoms and S. A. mounting hole 6 bottoms are set with iron gasket 11 can play wear-resisting, shock-resistant, the little noiseless characteristics of frictional area, this structure is displaced downwardly to S. A. mounting hole 6 bottoms with original rotation stress point at wheel carrier 3 and binding site above the hub 1, its moment of torsion became large after the position of wheel 12 and rotation stress point moved down, thereby made the verticity of cardan wheel assembly parts more stable, flexibly.

The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. cardan wheel assembly parts, it is characterized in that, comprise hub (1), wheel carrier (3), wheel (12), described wheel (12) is fixing by a spline transverse axis (13) and wheel carrier (3), be connected and fixed by a S. A. (4) between wherein said wheel carrier (3) and the hub (1), appear on the stage terrace (4-1) and hub (1) of described S. A. (4) is connected and fixed, and S. A. (4) bottom can cooperate wheel carrier (3) to rotate with the S. A. mounting hole (6) that wheel carrier (3) bottom is provided with.

2. require 1 described cardan wheel assembly parts according to letter of authorization, it is characterized in that, described S. A. (4) bottom is provided with circular trough (5), wheel carrier (3) bottom concealed location is provided with pin hole (7), described pin hole (7) is corresponding with the position of S. A. (4) lower circular (5), pin hole (7) is provided with a bayonet lock (8) in addition, bayonet lock (a 8) part is inserted the circular trough (5) of S. A. (4) bottom, and bayonet lock (8) adds screw pad (9) with screw (10) and is fixed on and matches with S. A. (4) lower circular (5) bottom the wheel carrier (3).

3. require 1 described cardan wheel assembly parts according to letter of authorization, it is characterized in that, a circular gasket (2) is joined on described S. A. (4) top, (2-1) matches with hub (1) above the circular gasket (2), (2-2) appears on the stage with S. A. (4) and becomes the plane after terrace (4-1) cooperates below the pad, this plane to the distance of S. A. (4) bottom faces has added iron gasket (11) then greater than the degree of depth of S. A. mounting hole (6) when assembling, do not assemble iron gasket (11) less than the degree of depth of S. A. mounting hole (6).

4. require 1 described cardan wheel assembly parts according to letter of authorization, it is characterized in that, described S. A. (4) bottom one end is that circular flat is planar.

5. require 1～4 arbitrary described cardan wheel assembly parts according to letter of authorization, it is characterized in that, the upper plane (5-1) of the circular trough (5) of described S. A. (4) to the distance of S. A. mounting hole (6) base plane less than above the pin hole (7) to the distance between S. A. mounting hole (6) bottom, circular trough (5) lower plane (5-2) of S. A. (4) to the distance of S. A. mounting hole (6) base plane less than to S. A. distance between the bottom, (6) hole being installed below the pin hole (7).

6. require 5 described cardan wheel assembly parties according to letter of authorization, it is characterized in that, be provided with iron gasket (11) between the base plane of described S. A. (4) and S. A. mounting hole (6) bottom, assemble behind this iron gasket (11) S. A. (4) appear on the stage terrace (4-1) will be greater than the degree of depth of S. A. mounting hole (6) to the distance between the bottom, the upper plane (5-1) of the circular trough (5) of S. A. (4) also will be greater than to S. A. distance between the bottom, (6) hole being installed above the pin hole (7) to the distance of S. A. mounting hole (6) base plane.