CN203801894U - Umbrella with size of umbrella cover capable of being freely converted - Google Patents

Abstract

An umbrella with the size of an umbrella cover capable of being freely converted comprises an umbrella handle, a rib mechanism and the umbrella cover, and the rib structure is covered with the umbrella cover. The umbrella is characterized in that the rib mechanism comprises a main rib, a sliding rib, a crankshaft rib, a connecting rod rib, a rocker arm rib, an upper umbrella nest, a middle umbrella nest and a lower umbrella nest. The upper umbrella nest and the middle umbrella nest are fixed to the umbrella handle, the umbrella handle is sleeved with the lower umbrella nest in a sliding mode, one end of the main rib is hinged to the upper umbrella nest, the main rib is sleeved with the sliding rib, one end of the connecting rod rib is hinged to the middle umbrella nest, the other end of the connecting rod rib is hinged to the middle segment of the sliding rib through the rocker arm rib, one end of the crankshaft rib is hinged to the lower umbrella nest, and the other end of the crankshaft rib is hinged to the middle segment of the connecting rod rib. The umbrella has the advantages that when a single person holds the umbrella, the lower umbrella nest is pushed upwards to a lower sliding locking mechanism to be buckled, and a small area can be formed by the umbrella cover in an opened mode. When two persons hold the umbrella, the lower umbrella nest continues to be pushed upwards to an upper sliding locking mechanism to be buckled, and the umbrella cover can continue to extend outwards to form the large area in the opening mode.

Description

A kind of umbrella that can freely convert umbrella surface size

Technical field

The invention belongs to umbrella technical field processed, be specifically related to a kind of umbrella that can freely convert umbrella surface size.

Background technology

Umbrella is one of article comparatively common in daily life.The chief component of umbrella is umbrella handle, umbrella frame and umbrella cover.Wherein, the connection of umbrella handle and umbrella frame adopts linkage, has realized opening and drawing in of umbrella.

Offhand in the situation that, sudden rainfall meeting causes many people to go out, and especially just catches up with the time of going home.Wait for that rain stops, or drench with rain and go home, otherwise with other people with support yunna spiraea, it is not optimal selection obviously that first two is selected, but the third selects also to exist certain problem.As everyone knows, after most of umbrella support is opened, the area of umbrella cover is very nearly the same, substantially covers a people's area.With people with the consequence that supports yunna spiraea, be, two people inevitably can be drenched the place that umbrella cover cannot cover, if be accompanied by, blow, and rain-proof effect is poorer.In order to address this problem, people have invented a kind of dual umbrella (patent No. is 201220225367.X), and it has two umbrella handles, take up room to be less than play two umbrellas but the screening rain Area Ratio single umbrella of such umbrella is large.During use, two people open an umbrella simultaneously and can go on a journey, and have avoided situation about cannot go on a journey because other people leave behind umbrella, are highly suitable for the situation of going with and going on a journey.

Yet this umbrella has but brought more obvious problem to be exactly, must two when only having a people to use hand lift that two second half umbrella covers of the no person of umbrella handle cannot be propped up simultaneously and easily damage.In user's hand, cannot carry again obviously other thing trips, make the service condition of this umbrella be subject to great restriction.

Utility model content

The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of umbrella that can freely convert umbrella surface size is provided, can meet single or double requirement easy to use.

The utility model solves the technical scheme that its technical problem adopts: a kind of umbrella that can freely convert umbrella surface size, comprise umbrella handle, umbrella rib structure and umbrella cover, umbrella cover overlays on umbrella rib structure, and umbrella rib structure comprises main umbrella skeleton, slip umbrella frame, crank umbrella frame, connecting rod umbrella frame, rocking arm umbrella frame, upper umbrella nest, middle umbrella nest and lower umbrella nest; Upper umbrella nest and middle umbrella nest are fixed on umbrella handle, lower umbrella nest slip cap is contained on umbrella handle, one end and the upper umbrella nest of main umbrella skeleton are hinged, slip umbrella frame is sleeved on main umbrella skeleton, one end of connecting rod umbrella frame and middle umbrella nest are hinged, the other end is hinged by the stage casing of rocking arm umbrella frame and slip umbrella frame, and one end and the lower umbrella nest of crank umbrella frame are hinged, the stage casing of the other end and connecting rod umbrella frame is hinged.

Between rocking arm umbrella frame and connecting rod umbrella frame, be also connected with Flexible Connector.

Between main umbrella skeleton and umbrella handle, be also connected with constraint cord.

Sliding lock mechanism and downslide latch mechanism are also set on umbrella handle, and lower umbrella nest can fasten respectively at upper sliding lock mechanism and downslide latch mechanism.

Compared with prior art, the beneficial effects of the utility model are:

1, when single opening an umbrella, on push umbrella nest and fasten and just can make umbrella cover prop up a less area to the latch mechanism place that glides, when double opening an umbrella, in continuation, pushing the supreme sliding lock of umbrella nest mechanism place's fastening just can make umbrella cover continue the overhanging larger area of propping up, umbrella surface size can regulate, thus the requirement while simultaneously meeting single or double use.

2, elastomeric element can make the backswing counterclockwise naturally when drawing in of rocking arm umbrella frame, and without human intervention, makes gathering process more smooth and easy and convenient.

3, constraint cord can replace umbrella cover and realizes the constraint to main umbrella skeleton extreme position, thereby makes under single state and double state the main umbrella skeleton open position that can both reach capacity, and has guaranteed the maximization of the screening area that two states is rainy.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model umbrella cover while opening completely;

Fig. 2 is the partial enlarged drawing at A place in Fig. 1;

Fig. 3 is the structural front view of the utility model umbrella cover while opening completely;

Fig. 4 is the partial enlarged drawing at B place in Fig. 3;

Fig. 5 is the partial enlarged drawing at C place in Fig. 3;

Fig. 6 is the structural front view of the utility model umbrella cover while partly opening;

Fig. 7 is the schematic diagram of umbrella cover while opening completely;

Fig. 8 is the schematic diagram of umbrella cover while partly opening;

Schematic diagram when Fig. 9 is umbrella closing.

In figure, be labeled as:

1 umbrella handle; 2 main umbrella skeletons; 3 slip umbrella frames; 4 crank umbrella frames; 5 connecting rod umbrella frames; 6 rocking arm umbrella frames; 7 upper umbrella nests; Umbrella nest in 8; 9 lower umbrella nests; 10Shang sliding lock mechanism; 11 downslide latch mechanisms; 12 umbrella covers; 13 extension springs; 14 constraint cords.

The specific embodiment

Below in conjunction with accompanying drawing embodiment, the utility model is described further:

As shown in Figure 1 to 9, a kind of umbrella that can freely convert umbrella surface size, comprise umbrella handle 1, umbrella rib structure and umbrella cover 12, umbrella cover 12 overlays on umbrella rib structure, and umbrella rib structure comprises main umbrella skeleton 2, slip umbrella frame 3, crank umbrella frame 4, connecting rod umbrella frame 5, rocking arm umbrella frame 6, upper umbrella nest 7, middle umbrella nest 8 and lower umbrella nest 9; Upper umbrella nest 7 and middle umbrella nest 8 are fixed on umbrella handle 1, lower umbrella nest 9 slip caps are contained on umbrella handle 1, one end of main umbrella skeleton 2 and upper umbrella nest 7 are hinged, slip umbrella frame 3 is sleeved on main umbrella skeleton 2, one end of connecting rod umbrella frame 5 and middle umbrella nest 8 are hinged, the other end is hinged with the stage casing of slip umbrella frame 3 by rocking arm umbrella frame 6, and one end of crank umbrella frame 4 and lower umbrella nest 9 are hinged, the stage casing of the other end and connecting rod umbrella frame 5 is hinged.

Between rocking arm umbrella frame 6 and connecting rod umbrella frame 5, be also connected with Flexible Connector.This Flexible Connector is extension spring 13, and from the theory of mechanics of linkage, when drawing umbrella frame in, umbrella frame 3 upward slidings that should make to slide, make rocking arm umbrella frame 6 rotate counterclockwise again, thereby the umbrella volume after making to draw in is completely minimum.Due to the existence of this extension spring 13, during gathering, rocking arm umbrella frame 6 is subject to the pulling force nature backswing of extension spring 13, thereby drives slip umbrella frame 3 upward slidings.

Between main umbrella skeleton 2 and umbrella handle 1, be also connected with constraint cord 14.Umbrella is from drawing in in the process of opening, first main umbrella skeleton 2 and slip umbrella frame 3 all turn to maximum open angle, but the position of slip umbrella frame 3 on main umbrella skeleton 2 not yet reaches greatest limit position, be now single use state, the rainy screening area of this state is little be only applicable to single.While pushing umbrella nest 9 on continuing, effect of contraction due to constraint cord 14, main umbrella skeleton 2 cannot continue to rotate around the pin joint of upper umbrella nest 7, therefore under the drive of rocking arm umbrella frame 6, slip umbrella frame 3 can only slide into extreme position to the end of main umbrella skeleton 2, the screening rain face that now umbrella frame and umbrella cover 12 form is maximum, can meet the double requirement that simultaneously hides rain.

Sliding lock mechanism 10 and downslide latch mechanism 11 are also set on umbrella handle 1, and lower umbrella nest 9 can fasten respectively at upper sliding lock mechanism 10 and downslide latch mechanism 11.When therefore lower umbrella nest 9 fastens with downslide latch mechanism 11, be single use state, lower umbrella nest 9 Yu Shang sliding lock mechanisms 10 are double use state while fastening.Structure and the operation principle of upper sliding lock mechanism 10 and downslide latch mechanism 11 are prior art, thereby object is fixedly the fixedly stretching degree of umbrella cover 12 of the position of lower umbrella nest 9 on umbrella handle 1, so locate not do to repeat.

The above, it is only preferred embodiment of the present utility model, be not the utility model to be done to the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.

Claims (1)

1. the umbrella that can freely convert umbrella surface size, comprise umbrella handle, umbrella rib structure and umbrella cover, umbrella cover overlays on umbrella rib structure, it is characterized in that: umbrella rib structure comprises main umbrella skeleton, slip umbrella frame, crank umbrella frame, connecting rod umbrella frame, rocking arm umbrella frame, upper umbrella nest, middle umbrella nest and lower umbrella nest;

Upper umbrella nest and middle umbrella nest are fixed on umbrella handle, lower umbrella nest slip cap is contained on umbrella handle, one end and the upper umbrella nest of main umbrella skeleton are hinged, slip umbrella frame is sleeved on main umbrella skeleton, one end of connecting rod umbrella frame and middle umbrella nest are hinged, the other end is hinged by the stage casing of rocking arm umbrella frame and slip umbrella frame, and one end and the lower umbrella nest of crank umbrella frame are hinged, the stage casing of the other end and connecting rod umbrella frame is hinged;

Between rocking arm umbrella frame and connecting rod umbrella frame, be also connected with Flexible Connector;

Between main umbrella skeleton and umbrella handle, be also connected with constraint cord;

Sliding lock mechanism and downslide latch mechanism are also set on umbrella handle, and lower umbrella nest can fasten respectively at upper sliding lock mechanism and downslide latch mechanism.