CN2345040Y - Three-folding automatic umbrell - Google Patents

Abstract

The utility model relates to a three-folding automatic umbrella. Primarily, the outer tube of the main stem of an umbrella frame is provided with a stop element; the upper part of the stop element at the inner part of the outer tube is provided with a spring for opening umbrellas; the spring for opening umbrellas can rapidly push an upper nest to move upward when potential energy is released, and the upper nest generates relative movement with a middle nest fixing to the outer tube to assist the action of opening umbrellas so that the structure of the outer tube can be not subjected to damage; the outer tube maintains the bending resistant and shearing resistant strength; the built-in spring for opening umbrellas has more beautiful appearance and smaller volume after the umbrella is folded, and thus, the umbrella is convenient to store and carry.

Description

The automatic umbrella of three foldings

The utility model relates to a kind of automatic umbrella, particularly relates to the automatic umbrella of a kind of three foldings.

The use of parachute kit is quite extensive, no matter be that to be used in sunshade or to keep off the rain all be a convenient and practical daily living article, is pursuing under the exquisite and practical purpose that has concurrently of parachute kit, from the progressive always triple folding umbrella of volume minimum till now of straight umbrella, folding umbrella in the past.As shown in Figure 1, be the general common automatic umbrella 10 of three foldings, on umbrella frame trunk 11, be provided with, in and following nest promptly 12,13 and 14, mainly through be set in umbrella frame trunk 11 outsides and respectively the position 13 in last nest 12 and middle nest and in the deployment spring 15,16 of 14 in nest 13 and following nest promote in nest 13 reach under nest 14, and then affect umbrella frame to prop up dried 17 to prop up umbrella cover.When parachute kit folds, because of deployment spring 15,16 is arranged on umbrella frame trunk 11 outsides, this position will be generouser umbrella closing state, and be inconvenient to be collected in the bag, and the deployment spring 15,16 that exposes also can influence attractive in appearance.

Shown in Fig. 2～4, be the foldable automatic umbrella 20 of another kind, mainly be last, in and following nest 21, but common pivot joint interlock struts the umbrella rib structure 25 of umbrella cover 24 on 22 and 23, wherein should go up nest 21 is to be fixedly installed on an outer tube 26 upper ends, and should be set on the outer tube 26 by middle nest 22, offer slotted hole shape start slotted eye 261 on the tube wall of outer tube 26, and a latch 27 wears the perforation 222 of nest 22 sleeve pipes 221 lower ends in this, and pass this start slotted eye 261, nest 22 can move up and down on outer tube 26 in making, is provided with a deployment spring 28 in the outer tube 26 above latch 27 in addition; When parachute kit folds, as shown in Figure 4, should be subjected to affecting of umbrella rib structure 25 and past top offset by middle nest 22, drive this latch 27 simultaneously and upwards compress this deployment spring 28 along this start slotted eye 261, and when umbrella cover struts (as shown in Figure 3), this deployment spring 28 disengages potential energy, the latch 27 of nest 22 lower ends is related in the promotion make in nests 22 to bottom offset, and open umbrella rapidly.Though said structure can make deployment spring 28 built-in in outer tube 26, still has following shortcoming:

One, this automatic umbrella 20 is owing to promote latch 27 must discharge potential energies by deployment spring 28 time and move along this start slotted eye 261, nest 22 is moved down and is finished the action that opens umbrella in making, therefore, the start slotted eye 261 of the tool equivalent length of offering causes the structure of this section outer tube 26 to be damaged on these outer tube 26 tube walls, and the bending resistance shearing strength of reduction itself, do the time spent when parachute kit suffers bigger external force, this outer tube 26 is very easy to produce the bending distortion at these start slotted eye 261 places.

Two, because outer tube 26 is directly to fixedly connected with last nest 21, therefore deployment spring 28 can only produce down stretch or the variable quantity of compression promote in nest 22, therefore if produce bigger opening an umbrella during energy through bigger spring variable quantity, start slotted eye 261 certainly will be increased, so will make outer tube 26 intensity become poorer.

It is a kind of except having the deployment spring of built-in reduced volume that main purpose of the present utility model is to provide, and the unlikely destroyed and automatic umbrella of simple three foldings of member of the umbrella frame trunk structure of parachute kit.

Another purpose of the present utility model is providing a kind of parachute-opening more rapid, the smooth automatic umbrella of three foldings.

For reaching above-mentioned purpose, the utility model provides a kind of three foldings automatic umbrella, and it comprises in the outer tube and that socket-connects manages, and outer tube from bottom to top is sequentially provided with in the nest, a nest on the nest and, and this outer tube is provided with a deployment spring; It is characterized in that: this deployment spring is located in this outer tube epimere, and its bottom is subjected to the set stop element institute backstop of outer tube; This time nest is hubbed on the outer tube, and middle nest then is fixedly installed on the outer tube upper end, and nest bottom convexes with a gag lever post on this, and this gag lever post is located in the deployment spring and extends downward outer tube inside.

The utility model is owing to establish a stop element on the outer tube of umbrella frame trunk, outer tube inside is provided with a deployment spring above stop element, deployment spring when potential energy discharges rapidly in the ejection one nest to top offset, and produce relative displacement with middle nest on being fixed on outer tube, be used for assisting and finish the action that opens umbrella, the structure of outer tube can be damaged, and keep its bending resistance and shearing strength, and built-in deployment spring except make parachute kit comparatively attractive in appearance, more dwindle at the volume that folds Hou, carry and be beneficial to collection.

Below by most preferred embodiment and accompanying drawing the automatic umbrella of three foldings of the present utility model is elaborated:

Fig. 1 is the automatic exploded perspective view of umbrella in the past.

Fig. 2 is another king-rod exploded perspective view of automatic umbrella in the past.

Fig. 3 is the above-mentioned state that the opens umbrella cut-away view of automatic umbrella in the past.

Fig. 4 is the umbrella closing state cut-away view of Fig. 3.

Fig. 5 is the view that opens umbrella of the utility model one preferred embodiment.

Fig. 6 is that the parachute kit of Fig. 5 folds schematic diagram.

The automatic umbrella of the utility model three foldings, its preferred embodiment, see also Fig. 5, shown in 6, it mainly is the trunk that constitutes umbrella frame with interior pipe 30 and one outer tube, 40 mutual fits, wherein, be provided with pipe spring 31 in the interior pipe 30, then be provided with an outer tube spring 41 in the outer tube 40, this outer tube 40 is sequentially provided with nest 50 from bottom to top, middle nest 60 reaches goes up nest 70, constitute the umbrella rib structure 80 that interlock is propped up umbrella cover but articulate into one jointly, by the elastic force release of above-mentioned these springs, with the interior pipe 30 and the outer tube 40 of the original phase fit of rapid stretching, extension, and then drive umbrella rib structure 80 and strut umbrella cover, make the parachute kit that originally folded finish the action that opens an umbrella.Main improvement of the present utility model focuses on:

One deployment spring 90 is arranged in outer tube 40 epimeres, and its bottom is subjected to set 42 backstops of a stop element of outer tube 40, and this deployment spring 90 can only be stretched upwards, and in the present embodiment, this stop element 42 is positioning keys.

This time nest 50 is hubbed on the outer tube 40, middle nest 60 then is fixedly installed on outer tube 40 upper ends, should go up nest 70 bottoms and convex with a gag lever post 71, this gag lever post 71 is located in the deployment spring 90 and extends downward outer tube 40 inside, make going up nest 70 can move up and down above outer tube 40 with the effect of deployment spring 90 by gag lever post 71, the length of this gag lever post 71 surpass last nest 70 when opening an umbrella on the distance of moving.

As shown in Figure 5, instantly nest 50 is discharged and is affected when moving on the umbrella rib structure 80, these deployment spring 90 stored a large amount of potential energies can obtain to discharge, because these deployment spring 90 bottoms are subjected to stop element 42 backstops, its top is rapid nest 70 in the ejection just, and nest 70 is vertically moved on rapid by the spacing of this gag lever post 71, and with the middle nest 60 generation certain spacing that are fixed on the outer tube 40, use the bone structure 80 that unfurls an umbrella, finish the action of quick support umbrella cover.

As shown in Figure 6, when parachute kit folds, promote down that nest 50 moves down, make down nest 50 and then affect umbrella rib structure 80 bendings to fold, should go up umbrella rib structure 80 that nest 70 articulated simultaneously and drive and press down, make upward nest 70 move down and compress this deployment spring 90.

In sum, advantage of the present utility model is summarized as follows:

1. because the utility model is to fix with middle nest 60, utilize deployment spring 90 to drive and go up the upwards mode of ejection displacement of nest 70, nest 60 produces certain distance with last nest 70 in making, reach the purpose that struts umbrella frame and strut umbrella cover, therefore, must not offer on this outer tube 40 slotted eye in nest 60 move, so the overall structure of outer tube 40 can be kept its intensity, be difficult for bending and be out of shape when being subjected to external force to do the time spent.

2. because deployment spring 90 of the present utility model is arranged on outer tube 40 inside, so comparatively attractive in appearance, and parachute kit unlikely increase thickness in this position when folding has compact advantage, is beneficial to be collected in the suitcase to make things convenient for portable.

3. because deployment spring 90 is with nest 70 in the ejection mode ejection that directly makes progress, use strutting top umbrella cover on every side, its auxiliary force amount that struts umbrella cover is effective, makes parachute-opening more rapid, smooth.

Claims (2)

1. the automatic umbrella of folding comprises in the outer tube that socket-connects and and manages, and outer tube from bottom to top is sequentially provided with in the nest, a nest on the nest and, and this outer tube is provided with a deployment spring; It is characterized in that: this deployment spring is located in the outer tube epimere, and its bottom is subjected to the set stop element institute backstop of outer tube; This time nest is hubbed on the outer tube, and middle nest then is fixedly installed on the outer tube upper end, and nest bottom convexes with a gag lever post on this, and this gag lever post is located in the deployment spring and extends downward outer tube inside.

2. the automatic umbrella of three foldings as claimed in claim 1 is characterized in that this stop element is a positioning key.

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