CN2084314U - Rib Improvement Mechanism of Multifold Umbrella - Google Patents

Abstract

An improved umbrella rib mechanism for multi-fold umbrella features that two notches are made on the central main rib of said umbrella rib assembly. One end is downward and the other end is upward, so that the umbrella frame assembly can simultaneously accommodate two flexible connecting bones in the umbrella frame assembly during the contraction. When the umbrella is opened, the flexible connecting frame is matched with the operation of the umbrella ribs to quickly open the umbrella ribs, so that the bad phenomena that the umbrella ribs are easily twisted or deformed and damaged when the umbrella is opened because the umbrella ribs are slowly opened and are easily twisted by external force in the opening process are prevented.

Description

The utility model relates to an improved rib structure for a multi-fold umbrella. An inner middle main rib of the rib assembly is respectively provided with two sections of notches. One end faces down, and the other end faces up, so that the two flexible connecting bones in the umbrella rib assembly can be accommodated at the same time when shrinking. When opening the umbrella, the umbrella ribs can be quickly stretched with the help of the flexible connecting bone and the operation of the umbrella ribs, so as to prevent the umbrella ribs from being easily twisted and unsmooth when opening the umbrella due to the slow opening of the umbrella ribs and being easily twisted by external force Bad phenomenon of deformation and breakage.

Existing multi-fold umbrellas such as the "multi-section tension recovery type two umbrellas" (application number: 7228751) of the 73.8. Several parallelograms are formed between the umbrella ribs. This kind of umbrella rib structure is formed by the umbrella ribs during the process of opening the umbrella, that is, during the process of lifting the lower nest to stretch the umbrella ribs to the umbrella cloth is fully opened. The "temporary" quadrilateral of the umbrella is surrounded by a very large wind or force-bearing area. When an external force is applied, such as during wind and rain, when the wind blows, these umbrella ribs are easily twisted, causing bending and deformation. Even the phenomenon of breaking will greatly affect the practicability of the umbrella rib. And at present because popular light, thin, short, small, the development of multi-fold (section) umbrella should appear in the market and has become the fashion of the times. But the umbrella rib unit of multi-folding umbrella must be many, for making this multi-umbrella unit can bring into play powerful mutual supporting effect, each umbrella rib is provided with support bone or auxiliary bone or connection bone below or above, plays The role of stress reinforcement. However, there are advantages and disadvantages, and the aforementioned No. 7228751 B case clearly exposed its defects.

The purpose of this utility model is to provide an umbrella rib of a multi-fold umbrella, which includes an inner middle main rib (referred to as the inner middle main rib) which is respectively provided with two sections of notches, with one end facing downward and the other end facing upward. , so that the two flexible connecting bones in the rib assembly can be accommodated simultaneously during condensation. When opening the umbrella, the umbrella ribs can be quickly stretched by means of the flexible connecting ribs in cooperation with the operation of the umbrella ribs, so as to prevent the bad phenomenon that the umbrella ribs are slowly stretched and easily twisted by external forces during the umbrella opening process, resulting in deformation and breakage.

The utility model relates to an umbrella bone improvement mechanism of a multi-fold umbrella, which comprises:

The inner end of an inner main bone is pivotally connected to the upper nest on the middle pole of an umbrella, the inner end of an inner support bone is pivotally connected to a lower nest of a sliding sleeve on the middle pole, and the middle section is pivotally connected to the inner main The outermost end of the inner connecting bone, the inner end of which is pivoted to the outer end of the inner main bone, and the inner middle main bone whose innermost end is pivoted to the outer end of the inner connecting bone and whose inner end is pivotally connected The outermost end of the inner ramus, an intermediate flexible connecting bone whose inner end pivots to the outer end of the inner ramus, and an outer intermediate main bone whose innermost end pivots to the outer end of the intermediate flexible connecting bone The inner end of which is pivoted to the outermost end of the inner middle main bone, the inner end of an outer flexible connecting bone is pivoted to the outer end of the inner middle main bone, and the innermost end of an outer main bone is pivoted to the outer end of the inner middle main bone. The outer end of the outer flexible connecting bone and the inner end pivotally connected to the outer end of the outer middle main bone; characterized by:

The inner middle main bone includes the inner part of the lower notch with the lower notch facing downward and the outer part of the upper notch with the upper notch facing upward. When the umbrella is folded, the middle flexible connecting bone can be accommodated on the lower In the notch, and accommodate the external flexible connecting bone in the upper notch to reduce its folded volume and facilitate pivoting operation;

The middle part of the middle flexible connecting bone is slidably tied to the middle part of the inner middle main bone by means of a flexible coupler, so as to generate the elastic force of bending, so that when the lower nest is raised to open the umbrella ribs, it can accelerate the erection. Straighten the umbrella ribs to open the umbrella smoothly and surely.

Hereinafter, the embodiments of the present utility model will be further described in conjunction with the accompanying drawings.

Fig. 1 is a schematic diagram in opening of the utility model.

Fig. 2 is the oblique view of the main bone in the utility model.

Fig. 3 is an exploded view of the main bone in the utility model.

Fig. 4 is a schematic diagram of the connection of some ribs of the utility model.

Fig. 5 is a schematic diagram of the outer section of the inner main bone of the utility model.

Fig. 6 is the schematic diagram of opening the umbrella of the utility model.

Fig. 7 is a schematic view of the umbrella of the utility model.

Fig. 8 is another desirable example diagram of the utility model.

FIG. 9 is an exploded view of FIG. 8 .

Fig. 10 is a schematic diagram of a flexible coupling in the present invention.

Fig. 11 is a schematic diagram of opening an umbrella of another preferred example of the utility model.

Fig. 12 is a schematic view of the umbrella in Fig. 11 .

Referring to Fig. 1-7, the utility model comprises: a middle pole (1) is provided with an upper nest (11) on it, and the lower nest (12) is slidably set on the middle pole (1), an inner main bone (2 ), one inner ramus (3), one inner connecting bone (4), one inner middle main bone (5), (referred to as inner middle main bone), one middle flexible connecting bone (6), and one outer middle main bone Main bone (7, be called for short " outer middle main bone "), an external flexible connecting bone (8), an outer main bone (9), and one umbrella cloth (14) that is tied on all umbrella ribs.

The inner end (21) of the inner main bone (2) is pivotally connected to the upper nest (11) and the outermost end (22) is pivotally connected to the middle part (34) of the inner support bone (3). (22) The outer end (23) is pivotally connected to the inner end (41) of the inner connecting bone (4).

The inner end (31) of the inner ramus (3) is pivotally connected to the lower nest (12), and the outermost end (32) is pivotally connected to the inner end (52) of the inner main bone (5). The part (33) is pivotally connected to the inner end (61) of the middle flexible connecting bone (6).

The outer end (42) of the inner connecting bone (4) is pivotally connected with the innermost end (51) of the inner main bone (5).

The outermost end (58) of the inner central bone (5) is pivotally connected to the inner end (72) of the outer central bone (7). The outer end (62) of the middle flexible connecting bone (6) is pivotally connected to the inner end (71) of the outer middle main bone (7).

The outer end (75) of the outer main bone (7) is pivotally connected with the inner end (92) of the outer main bone (9). The inner end (81) of the external flexible connecting bone (8) is pivotally connected to the outer end (59) of the inner main bone (5), and the outer end (82) of the connecting bone (8) is pivotally connected to The innermost end (91) of the outer main bone (9). The outer end (93) of the outer main bone (9) is then connected with the outer edge of the umbrella cloth (14).

The middle part (83) of the outer flexible connecting bone (8) is generally made of a ring and flexibly slipped on the middle part of the outer middle main bone (7) by means of a flexible coupling (74) ( 73) on. The collar of the coupler (74) can be embedded between the two convex parts (731) of the outer middle main bone (7) to be stabilized.

The main component of the utility model is that the inner main frame (5) includes: the inner section (5a) of the lower notch and the outer section (5b) of the upper notch. The innermost end (51) and the inner end (52) of the inner section (5a) of the lower notch are respectively pivoted to the outer ends (42, 32) of the inner connecting bone (4) and the inner supporting bone (3) ( As mentioned above), the outer end (55) connects the inner end (57) of the outer section (5b) to the nail hole (571) by means of a rivet (572), and the cross section of the inner section (5a) is approximately U-shaped , the notch (50) is downward, when the umbrella is retracted as shown in Figure 7, the middle flexible connecting bone (6) can be partially embedded in the notch (50) to reduce its folded volume. The outer section (5b) of the upper notch (5b) is adjacent to the outer end (59) of the outermost end (58). Upwards, when the umbrella is closed, the external flexible connecting bone (8) can be embedded to reduce the folded volume, and the slot (591) is suitable for accommodating the inner end (81) of the connecting bone (8) The pivot joint protrudes into the slot hole (591) to facilitate the fitting pivot connection of the umbrella so that the umbrella can have a smooth opening and closing operation.

The middle part (53) of the inner main bone (5) is provided with two convex parts (531) to cover a flexible coupling (54). Generally, it is made into a ring between the two convex parts (531) or in the middle Part (53) on a certain seat, to engage the middle flexible connecting bone (6) by sliding.

When the lower nest (12) is in the upper position as shown in Figure 7, it is suitable to fold all the ribs (2-9) to close the umbrella cloth, and at this time, the two flexible connecting ribs (6, 8) are flat The straight shape fits and stores in the umbrella ribs (3, 5) and the umbrella ribs (7). When desiring to open the umbrella, the lower nest (12) should be raised to shorten the distance between the upper and lower nests (11, 12), and all umbrella ribs should be stretched out. At this time, the middle flexible connecting bone (6) also followed the inner main body. The bone (5) stretches outwards, but the middle part (63) of the middle connecting bone (6) is slipped and tied to the middle of the main bone (5) by the collar of the coupler (54), making the middle connecting bone flexible (6) produce flexing and store up elastic force, in addition, connecting bone (8) is also because of coupling (74) collar slides on the middle section of main bone (7), so it is also bent to generate elastic force. The lower nest (12) continues to rise, making all the umbrella ribs gradually become straight, but because of the elastic force of the curved connecting bones (6, 8), the umbrella ribs (5, 7, 9) are not affected by the umbrella ribs. Promptly can be stretched straight before the tension force, now the lower nest (12) still continues to rise until the umbrella cloth is stretched out, and the umbrella cloth (14) is both stretched, and the tension of its bow is matched with the support of all umbrella ribs and the elastic stopper ( 13) stop, the whole umbrella rib is then stably opened.

The utility model is superior to the conventional multi-fold umbrella tool as described in the aforementioned announcement No. 60693 and lies in that the inner backbone (5) of the utility model is divided into two sections (5a, 5b) inside and outside, and the notch (50, 56) facing downwards and upwards respectively, so two flexible connecting bones (6, 8) can be respectively accommodated when the umbrella is retracted. The ribs and notches (50, 56) are respectively opened on the upper and lower sides, but can effectively accommodate the connecting ribs (6, 8) adjacent to both sides, greatly reducing the folded volume, so that when the multi-fold umbrella is folded, It really exerts the fine work effect of "light, thin, short and small".

In addition, the two flexible connecting ribs (6, 8) can accelerate the stretching and opening of the umbrella ribs during the process of opening the umbrella, reducing the time and operation of the umbrella opening process, that is, reducing the risk of being disturbed by external forces. Opportunities, which can reduce or eliminate the defects of distortion or bending by external force.

The utility model can also be shown in Fig. 8, 9, in the outer section (5b) of inner main bone (5) directly open an upper slot (56) to reflect each other with the lower notch (50) of the inner section, And exert the above-mentioned same effect. Now the inner section (5a) and outer section (5b) of the main bone (5) can be integrally formed.

As shown in Figure 10, the flexible coupler (54) in the middle of the main bone (5) slides the connecting bone (6) on the main bone (5), and the coupler (54) can be made into a button tip ( 54a) Transversely place the middle part (53) of the main bone (5) so that the middle part (63) of the connecting bone (6) slides into the tip (54a) to generate flexibility. Figures 11 and 12 are schematic views of opening and closing umbrellas of another preferred example of Figures 8-10 of the utility model.

Claims (4)

1, a kind of umbrella frame of multi-fold umbrella improvement mechanism comprises:

Its inner end of main bone is articulated in the last nest on the umbrella king-rod in one, its inner end of fulcra is articulated in a sliding sleeve on the nest once of this king-rod in one, and its center section part pivot connects the outermost end of main bone in this, its inner end of one internal connecting rib is articulated in the outer end of main bone in this, its inner end pivot of one bosom master bone connect this its inner end, internal connecting rib outer end then pivot connect the outermost end of fulcra in this, its inner end pivot of flexible linking bone connects the outer end of fulcra in this in the middle of one, one outside in the middle of its inner end pivot of main bone connect this flexible linking bone in centre its inner end, outer end then pivot connect the outermost end of this bosom master bone, one its inner end pivot of outside flexible linking bone connects the outer end of this bosom master bone, and its inner end pivot of an outer main bone connects the outer end of this flexible linking bone in outside and its inner end pivot connects the outer end of main bone in the middle of this outside; It is characterized by:

This bosom master bone comprise in the notch section its down notch down and on one the outer section of notch notch is up on it, during this parachute kit of folding, can hold and join the flexible linking bone in this centre in this time notch, and hold join the flexible linking bone in this outside in this in the notch with reduce its folding volume and conveniently pivot joint operate;

The flexible linking bone mid portion in this centre lies in the mid portion of this bosom master bone by a flexible coupling cunning, scratches curved elastic force with generation, making to rise down nest when opening all umbrella frames, can quicken straight and upright all umbrella frames, with smooth certain parachute-opening.

2, the umbrella frame of multi-fold umbrella as claimed in claim 1 improvement mechanism is characterized in that the mid portion that this flexible coupling formation one button tip is horizontally placed on this bosom master bone is that the flexible linking bone in this centre is in a groove of this bosom master bone with cunning.

3, the umbrella frame of multi-fold umbrella as claimed in claim 1 improvement mechanism, it is characterized in that this bosom master bone in section be connected by closing-up with outer section, and a slotted eye is established in bottom, the outer end of section outside this, can hold the articulated section, inner end of this flexible pastern bone in centre when making parachute-opening.

4, the umbrella frame of multi-fold umbrella as claimed in claim 1 improvement mechanism is characterized in that the innner and outer section of this bosom master bone is one-body molded, should outer section to form and should outer section be the slotted eye that makes a upward opening in the outer end of this main bone.

Images