CN2230104Y - Four-folded umbrella-frame structure - Google Patents

Abstract

The utility model discloses a four-folded umbrella-frame structure which is mainly composed of a first supporting frame composed of a telescopic circular frame and a telescopic slot frame, a second supporting frame, a first subsidiary supporting frame, a subsidiary supporting frame, a first system linking frame, a second system linking frame and a tail frame. The utility model is characterized in that the telescopic circular frame and the front end of the second supporting frame are separately pivoted to a lower nest and a central nest of an umbrella, and the lower nest is provided with an upper tube body which is tightly combined into integration or is formed integrally. The top end of the upper tube body is provided with an everted flange and the central nest is sheathed on the upper tube body. When an umbrella frame is supported to open, the lower nest is folded and combined with the central nest, when the umbrella frame is folded and closed, the lower nest is downwards pulled to separate from the central nest which is downwards pulled to drive the umbrella frame to fold and close by means of the everted flange. The utility model downwards pulls a telescopic circular frame by means of the lower nest and drives each folding umbrella to approach to each other for conveniently folding the umbrella.

Description

A kind of four folding umbrella rib structures

The utility model relates to a kind of four folding umbrella rib structures, and refer in particular to a kind of four folding umbrella frames and can be close when folding, and midway can coccyx is stretching when strutting, to promote four folding umbrella rib structures of function of use.

The umbrella rib structure of common three, four folding umbrellas is all similar, and two kinds of shortcomings are arranged during use: 1. when umbrella folded, each umbrella frame had the phenomenon of unclamping, and the umbrella cloth when umbrella is folded is folding, the condensation propelling etc. of rod all brings inconvenience in the umbrella; 2. when umbrella frame struts, coccyx often has and can not be strutted immediately and still be in the reflexed shape, uses very inconvenient.As shown in Figure 1 and Figure 2, with adopting spring A to collude to establish being configured in theory with can addressing the above problem of pliability bone B, but spring A and pliability bone B are separated into individual component, make to make combination and use inconvenience, also increase at connecting portion break away from, the probability of damage.As shown in Figure 3, Figure 4, be to reduce the shortcoming that the still unresolved above-mentioned coccyx of resistance to sliding can not open though be provided with spiral steel wire bone C purpose in the triple folding umbrella bone structure.

The purpose of this utility model is to overcome the deficiency in the above-mentioned background technology and a kind of four folding umbrellas folding umbrella frame when folding of providing can be close, and midway can coccyx is stretching when strutting, to promote four folding umbrella rib structures of function of use.

The purpose of this utility model is achieved in that first fulcra of mainly being made up of flexible circle bone and telescopic chute bone, second fulcra, first sub-framework, second sub-framework, first linking bone, second linking bone and coccyx constitute, it is characterized in that the front end of this flexible circle bone and second fulcra is articulated in the following nest and the middle nest of umbrella respectively, nest is provided with to combine closely and is integral or integrated upper tube body under it, the upper tube body top is provided with the flange that turns up, middle nest is enclosed within this upper tube body, when umbrella frame struts, following nest is superimposed in middle nest, when umbrella frame folds, following nest is pulled down and separate mutually with middle nest, the outer flange that turns over, affect umbrella frame to amount to the pulling downwards of middle nest, and will stretch the pulling downwards of round bone and affect that respectively to roll over umbrella mutually close by following nest, be beneficial to close one's umbrella.

Wherein, this second linking bone is to extend with the two ends of spring to form, and promptly its turn and linking bone are that steel wire is one-body molded, when umbrella frame struts, be with this spring tension in that to strut stroke stretching with coccyx midway, and when strutting fully, strained.

The utlity model has and make advantages such as simple, easy to use, durable.

Below in conjunction with Figure of description and embodiment, the utility model is further described.

Fig. 1 is common umbrella rib structure figure.

Fig. 2 is another common umbrella rib structure figure.

Fig. 3 is another common umbrella rib structure figure.

Fig. 4 is again a common umbrella rib structure figure.

Fig. 5 is the structure chart of the utility model softened state.

Fig. 6 is the structure chart of the utility model collapse state.

The schematic diagram of Fig. 7 for comparing with Fig. 5.

Fig. 8 is the enforcement illustration of the utility model triple folding umbrella.

As shown in Figure 5, the utility model mainly is made of first fulcra 1, second fulcra 2, first sub-framework 3, second sub-framework 4, first linking bone 5, second linking bone 6 and the coccyx 7 that flexible circle bone 11 and telescopic chute bone 12 are formed.The flexible round bone 11 of first fulcra 1 wherein, the front end of second fulcra 2 and first sub-framework 3 is articulated in the following nest 8 and the middle nest 9 of umbrella respectively and goes up nest 10, rear end (being telescopic chute bone 12) then is articulated in the front end place, packet header of second sub-framework 4 respectively, telescopic chute bone 12 front ends of the appropriate location and first fulcra 1 in the middle of first sub-framework 3, and the two ends of first linking bone 5 are articulated in the packet header front end of first sub-framework, the 3 nearly rear end and second sub-framework 4 respectively, and the two ends of second linking bone 5 then are articulated in the telescopic chute bone 12 nearly rear end of first fulcra 1 and the packet header front end of coccyx 7 respectively.

Of the present utility model being characterised in that: flexible round bone 11 front ends of first fulcra 1 and second fulcra, 2 front ends are connected to down nest 8 and middle nest 9, middle nest 9 is to be set in down on the upper tube body 81 of nest, it is arranged with a bit tightly again can be too not tight, this time nest 8 and upper tube body 81 thereof can be combined closely in an embodiment and be integral, also can be one-body molded, the top of upper tube body 81 is provided with the flange 82 that turns up, when umbrella struts (as shown in Figure 5), to descend nest 8 upwards to promote, can and then take advantage of a situation promote in nest 9 and parachute-opening, this at present nest 8 and in nest 9 be superimposed and umbrella frame strutted; When umbrella folds (as shown in Figure 6), to descend nest 8 to spur downwards, following nest 8 promptly separates mutually with middle nest 9, and utilize the flange 82 that turns up of its upper tube body to affect umbrella frame to amount to the pulling downwards of middle nest 9, because the tie point 11a of flexible circle bone 11 front ends moves down along with nest 8 down, and open angle is dwindled and the closing distance that furthers, can prevent that so umbrella frame from unclamping, conveniently the arrangement umbrella cloth also can make umbrella frame be grasped and be beneficial to the follow-up action that closes one's umbrella to the greatest extent with excellent propelling condensation in the umbrella.

Nest reaches the umbrella frame connection structure of nest down in the above-mentioned use, can also be implemented (as shown in Figure 8) by the triple folding umbrella bone.Above-mentioned umbrella frame pin-jointed structure can be extended the distances of the umbrella frame phase closing that furthers along with following nest 8 downwards because of the front end of flexible circle bone 11, its mutually close degree can be found out (Fig. 7 is connected in together nest 8 once for stretch the circle bone 11 and second fulcra 2, and its umbrella frame has the presentation graphs that pine is closed phenomenon when folding) by Fig. 6 and Fig. 7 contrast.

Another being characterized as of the present utility model: wherein second linking bone 6 is to extend with the two ends of turn 61 to form, be that turn 61 and linking bone 6 are one-body molded for steel wire, during connection, its two ends are connected to the packet header of telescopic chute bone 12 rear end and coccyx 7, and turn 61 is enclosed within on second sub-framework 4, not only can save and connect man-hour, and can reduce and throw off probability, it is stretching with coccyx to make umbrella frame strut the spring tension that stroke promptly can linking bone 6 midway, and tension when strutting fully, to promote the result of use that umbrella frame struts.

Claims (1)

1. roll over umbrella rib structure for one kind four, mainly first fulcra, second fulcra, first sub-framework, second sub-framework, first linking bone, second linking bone and the coccyx of being made up of flexible circle bone and telescopic chute bone constitutes, it is characterized in that the front end of this flexible circle bone and second fulcra is articulated in the following nest and the middle nest of umbrella respectively, nest is provided with to combine closely and is integral or integrated upper tube body under it, the upper tube body top is provided with the flange that turns up, and middle nest is enclosed within this upper tube body; This second linking bone is to extend with the two ends of spring to form, that is its turn and linking bone are that steel wire is one-body molded.

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