CN2486364Y

CN2486364Y - Improved structure of box castor

Info

Publication number: CN2486364Y
Application number: CN 01229458
Authority: CN
Inventors: 马圣钦
Original assignee: DEYOU ENTERPRISE Co Ltd
Current assignee: DEYOU ENTERPRISE Co Ltd
Priority date: 2001-07-11
Filing date: 2001-07-11
Publication date: 2002-04-17
Anticipated expiration: 2011-07-11

Abstract

The utility model is an improved structure of case castors. The utility model is installed at the bottom of a case. The utility model has a supporting base. The two sides of the utility model extend downward to form a slightly circular protective board; a castor is installed on the supporting base with a pivot and encased between the two protective boards of the supporting base; a roller bearing taking the shape of a flat ring is installed on top of the supporting base to reduce friction force during the rotation of supporting base; the two protective boards of the supporting base have three through notches of a specific width respectively to reduce vibration and noises during case pushing or dragging. In the mean time, the utility model also works as an ornament and reduction of dead weight.

Description

The improvement structure of casing castor

Technical field

The utility model is relevant with suitcase or leather trunk caster wheel, more detailed it, be meant a kind of improvement structure of casing castor, be can be in order to reduce that casing also promotes or when dilatory, the vibrations that castor produced and the sound also have attractive, decorative and weight-saving effect simultaneously.

Background technology

Just known in the art, general suitcase or leather trunk caster wheel 1 are as shown in Figure 1, roughly include a runners 2, and its two side is respectively equipped with two support portions 3, and are to be provided with a through hole 4 in the top; One roller 5, it has an axis hole 6, is to be hubbed in the support portion 3 of this runners 2; One pivoting lever 7, be, make it to be articulated in order to the support portion 3 that wears this runners axis hole 6 with this roller 5; One articulated part 8, the through hole 4 that it is arranged in this runners 2 is can to rotate relatively in order to be hubbed at this tank floor; Dilatory as the user, when promoting the casing of weight is housed, this castor 1 often sends great audible noise and vibrations; The source of studying carefully its sound and vibrations mainly contains two, and with the friction sound and the vibrations of 7 of pivoting levers, another was when then be this runners 2 with respect to the member of the bottom of this casing rotate when one was roller 5 rotation, the sound and vibrations that the two rubs and is sent.

Though existing at present dealer is provided with some pre-its anti-noise and vibrations on its castor 1 device also or with roller is made with a plastic material, in order to reduce the sound and the vibrations of haul, but the structure of its device is comparatively complicated mostly, make manufacturing cost also promote relatively, simultaneously the mechanism of its device is clashed into and stress deformation is lost its main effect easily, what is more, its sound that sends is shrillness more, causes popular acoustically unhappy.

Summary of the invention

That is, main purpose of the present utility model is promptly providing a kind of improvement structure of casing castor, and it can lower the audible noise and the vibrations of being sent when casing also promotes or be dilatory.

Another purpose of the present utility model is to provide a kind of improvement structure of casing castor, and it has attractive, decorative and weight-saving effect.

Be the purpose of taking off before reaching, the improvement structure of casing castor provided by the utility model, be to be installed on the bottom half, it includes: one supports pedestal, be by plastics one injection molding, its top then is provided with the articulated section and an annular groove of a predetermined inclination, its two side down extends to form the backplate of curved arc slightly respectively, and then form the tank of a hollow, then be respectively equipped with a corresponding perforation on this two backplate, and offering the notch that runs through of three road proper width on this two backplate respectively, and then form four shock-absorbing ribs, is in order to reduce that casing also promotes or when dilatory, vibrations that produced and sound situation, again, the top of this support pedestal is to offer a through hole, is to wear the articulated section that forms this support pedestal by an articulated part; One ball table is to be flat ring-type, and it is located in the annular groove on this support pedestal top, and this ball table is provided with the perforation of some predetermined space distances, respectively then convexes with a ball between this perforation, is the friction force when reducing the rotation of this support pedestal; One roller is to make in its two perforation that are hubbed at this support pedestal with a pivoted pole, and is protected between the tank of these support pedestal two backplates by frame that only two backplates are slightly exposed in the bottom; Thus, this castor can effectively lower the vibrations and the sound, also has attractive, decorative and weight-saving effect simultaneously.

Wherein the notch that runs through of this two backplate is to be the best with three roads.

Wherein this support pedestal is the kenel that generally is a JiongZi Xing.

Description of drawings

In order to make the inspector understand structure of the present utility model and function more, below be illustrated in especially exemplified by a preferred embodiment of the present utility model and conjunction with figs. after, wherein:

Fig. 1 is the three-dimensional exploded view of existing caster wheel;

Fig. 2 is the three-dimensional exploded view of the utility model preferred embodiment;

Fig. 3 is the three-dimensional combination figure of the utility model preferred embodiment;

Fig. 4 is the lateral plan of the utility model preferred embodiment;

Fig. 5 is the scheme drawing that the utility model preferred embodiment is faced.

The specific embodiment

See also Fig. 2 and shown in Figure 3, the improvement structure of a kind of casing castor 10 of the utility model, it includes: one supports pedestal 20, a roller 30 and a ball table 40 forms, wherein:

This support pedestal 20 is the plastics one injection moldings by obdurability, be the kenel that generally is a JiongZi Xing, its top offers a through hole 21, is to be worn by an articulated part 211, and then form the position that can be articulated in this bottom half, and the top of this support pedestal 20 is provided with an annular groove 23 in addition; Two sides of this support pedestal 20 down extend to form the backplate 24 of curved arc slightly respectively, form the tank 25 of a hollow between this two backplate 24, and the bottom of this two backplate 24 offers a corresponding perforation 241 in addition, and run through

notch

26,27,28, and then be formed with four shock-absorbing

rib

29A, 29B, 29C, 29D in what this two backplate 241 offered three road proper width respectively.

The axle center of this roller 30 is provided with an axis hole 31, it is perforation 241 in order to cooperate this two backplate 24, and wear the perforation 241 of axis hole 31 with this two backplate 24 of this roller 30 with a pivoting lever 33, this roller 30 is hubbed on this support pedestal 20, and protected in 25 of the tanks of these support pedestal 20 2 backplates 24 by frame, only this two backplate 24 is slightly exposed in the bottom.

This ball table 40 is to be flat ring-type, it is located in the annular groove 23 on these support pedestal 20 tops, this ball table 40 is provided with the perforation 41 of some predetermined space distances, and respectively 41 of this perforations then are embedded with a ball 42, is the friction force when reducing this support pedestal 20 and rotate with respect to casing.

See also Fig. 4 and shown in Figure 5, when the user also promotes or draws this casing, the application force that the roller 30 of this castor 10 and face of land friction are produced, can urge to this castor 10, because of the support pedestal 20 of this castor 10 is to make with tough plastic material, cause these shock-absorbing

ribs

29A, 29B, 29C, 29D to understand pressurized and slightly deformed, lead off to

notch

26,27,28 thin the sending out of running through of this two backplate 24 simultaneously, make its application force be absorbed and lower vibrations, and other member also can not send unhappy audible noise because of vibrations.

Moreover, this support pedestal 20 is by tough plastics one injection molding, hard rigidity that it is tough can not only supporting box and is can recessed rhegma not bad, these run through the design of

notch

26,27,28 simultaneously, after through experiment test repeatedly, can't influence the impregnability that this castor 10 supports pedestal 20, more can produce the effectiveness that reduces the vibrations and the sound simultaneously, and these proper width run through

notch

26,27,28, also have attractive, decorative and weight-saving effect.

In sum, the improvement structure of the utility model casing castor, though it is a simple creation improvement, also promote or during dilatory casing vibrations that produced and sound problem precisely because can effectively solve to reduce, also take into account simultaneously the weight-saving effect and reduced manufacturing cost, have more the effect of attractive, decorative, its progressive and practicality are to be worth sure, be with, the utility model is real to have possessed novel patent condition, so propose novel patent application in accordance with the law.

Claims

1. the improvement of a casing castor is constructed, and it includes:

One supports pedestal, being that its top then is provided with and offers a through hole by the plastics one injection molding of obdurability, is to use for an articulated part to be worn, its two side down extends to form the backplate of curved arc slightly respectively, then is respectively equipped with a corresponding perforation on this two backplate;

One roller, its axis part is provided with an axis hole, is with a pivoted pole it to be hubbed on this support pedestal, and is protected between these support pedestal two backplates by frame that only two backplates are slightly exposed in the bottom;

One ball table is to be flat ring-type, and it is located at the top of this support pedestal, and this ball table is provided with the perforation of some predetermined space distances, respectively then convexes with a ball between this perforation, is the friction force when reducing this support pedestal and rotate with respect to casing;

It is characterized in that:

Offer the notch that runs through of at least one proper width on two backplates of this support pedestal respectively.

2. according to the improvement of the described casing castor of claim 1 structure, it is characterized in that wherein the notch that runs through of this two backplate is to be the best with three roads.

3. according to the improvement structure of the described casing castor of claim 1, it is characterized in that wherein this support pedestal is the kenel that generally is a JiongZi Xing.