CN2742816Y

CN2742816Y - Umbrella rib structure of umbrella

Info

Publication number: CN2742816Y
Application number: CN 200420083830
Authority: CN
Inventors: 颜秋展; 蒋伟明
Original assignee: DONGGUAN YOUFU UMBRELLA Co Ltd
Current assignee: DONGGUAN YOUFU UMBRELLA Co Ltd
Priority date: 2004-09-10
Filing date: 2004-09-10
Publication date: 2005-11-30
Anticipated expiration: 2014-09-10

Abstract

The utility model relates to the technical field of umbrellas, in particular to an umbrella rib structure of umbrella. The umbrella rib structure comprises an upper supporting rib whose one end is hinged on an upper nest, a lower supporting rib whose one end is hinged on a lower nest, a draw rod, and a middle supporting rib which is hinged with the lower supporting rib. The other end of the upper supporting rib is hinged on the intermediate section of the lower supporting rib. Two ends of the draw rod are respectively connected with the upper supporting rib and the middle supporting rib. A draw spring is connected between the lower supporting rib and the draw rod. The cross-section of the intermediate section of the upper supporting rib is triangle shaped. The two ends of the draw rod are respectively crooked with hanging holes for hinging with the upper supporting rib and the middle supporting rib. The intermediate section of the draw rob is crooked with a spring hole for hanging and buckling the draw spring. The intermediate section of the upper supporting rib on the utility model is folded into a shape of approximate triangle, so that not only is the strength increased, but also the occupying space of upper supporting rib is further reduced. Because the hanging holes on the draw rod for connecting with the upper supporting rib and the middle supporting rib and the spring hole on the draw rod for hanging and buckling the draw spring are form by self crooking, not only is the structure simple, but also the size of the draw rod can be minified.

Description

A kind of umbrella rib structure of parachute kit

Technical field:

The utility model relates to the parachute kit technical field, refers in particular to a kind of umbrella rib structure of parachute kit.

Background technology:

Parachute kit is articles for use indispensable in people's daily life as the instrument of people's sun-shading rain-proof.And the multi-fold umbrella in the parachute kit, because it has and can fold placement, advantage such as easy to carry and obtain liking of numerous users.Common multi-fold umbrella mainly comprises a middle rod as main support, is installed in upper and lower nest, umbrella rib structure that is connected with up-down runner on the middle rod and the umbrella cover that is covered in the umbrella rib structure surface.Umbrella rib structure comprises: an end is articulated in the upper ramus of nest, lower support rib, pull bar and and the hinged middle ramus of lower support rib that an end is articulated in down nest.Wherein the other end of upper ramus is articulated in the middle part of lower support rib, and the two ends of pull bar are connected with middle ramus with upper ramus respectively, is connected with an extension spring between lower support rib and pull bar.The upper and lower fulcra that are connected with upper and lower nest in the umbrella rib structure so its pressure that bears is bigger, so just need it to have certain intensity because needs drive entire mechanism, to prevent producing distortion under external actions such as pressure, wind-force.But simultaneously, people carry parachute kit for convenience, and parachute kit develops towards light, small and exquisite direction again, require umbrella frame lighter and thinner.So, just produce conflicting problem.Present fulcra adopts iron material, its be with a bar shaped iron plate by being bent to form the fulcra of bar shaped, its bending back forms a kind of " recessed " font, increases its intensity by two flangings.Though this structure has played the effect that increases a bone strength to a certain extent, still there is the shortcoming of undercapacity in it, and the hemmed edges after the fulcra bending easily hurts user's finger.In addition, at present the pull bar in the umbrella rib structure adopts the structure the same with other fulcra, promptly by with a bar shaped iron plate by bending shape, and the two ends of pull bar and centre are offered and are used for the through hole that is connected with upper ramus, middle ramus, extension spring.This structure causes the complex manufacturing technology of pull bar, and insufficient strength.

Summary of the invention:

The purpose of this utility model is the deficiency at present product, provides a kind of simple in structure, and can effectively improve the umbrella rib structure of the parachute kit of product strength, simultaneously parachute kit is folded together closely.

For achieving the above object, the utility model is achieved through the following technical solutions: this umbrella rib structure comprise an end be articulated in the upper ramus of nest, an end be articulated in down nest lower support rib, pull bar and with the hinged middle ramus of lower support rib, wherein the other end of upper ramus is articulated in the lower support rib middle part, the two ends of pull bar are connected with middle ramus with upper ramus respectively, be connected with an extension spring between lower support rib and pull bar, the cross section at upper ramus middle part is triangular in shape; The two ends of pull bar are crooked respectively to be useful on and upper ramus and the hinged hanging hole of middle ramus, and its middle bent has a spring hole that supplies extension spring to buckle.

Above-mentioned upper ramus has been bent to form two flangings, and the flanging top edge of upper ramus center abuts in together.

The hanging hole at above-mentioned pull bar two ends lays respectively at the both sides of pull bar.

After the utility model adopted aforesaid way, at first upper ramus utilized the firm geometrical feature of triangular structure, and a leg-of-mutton shape is amounted at its middle part, so not only can improve its intensity, and its shared spatial volume can further be dwindled.Simultaneously, the top edge of umbrella frame main body flanging abuts in together, so just can effectively eliminate the injury of flanging top edge to user's finger.In addition, pull bar adopts a steel wire to make, and its spring hole that is used for the reverse hanging hole that is connected with middle ramus with upper ramus and is used for buckling with extension spring all is to be bent to form by self, and this structure is not only simple in structure, and dwindles the volume of pull bar.Simultaneously two reverse hanging holes at pull bar two ends are laid respectively at the both sides of pull bar, upper ramus, pull bar lower support rib, middle ramus fit together more closely when parachute kit was folded, the volume after can further dwindling parachute kit and folding.

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the front view of the utility model upper ramus;

Fig. 3 is the vertical view of the utility model upper ramus;

Fig. 4 be among Fig. 2 A-A to profile;

Fig. 5 is the schematic diagram that the utility model pull bar combines with extension spring.

The specific embodiment:

See Fig. 1～4, the utility model comprises: upper ramus 1, lower support rib 2, pull bar 3, middle ramus 4 and extension spring 5.

One end of upper ramus 1 is articulated on the nest 6, and the other end joins in lower support rib 2 middle parts.Upper ramus 1 adopts bar shaped iron plate bending forming, and the cross section at its two ends is " recessed " font, promptly is formed with a groove between two

flangings

11,12 that its bending back forms, and this groove is used to keep supplying fulcra and last nest, lower support rib is hinged.The middle part 13 of upper ramus 1 is bent into cross section structure triangular in shape, and two flangings, 11,12 top edges abut in together behind the promptly curved person.Adopting this structure is the geometrical feature that utilizes triangular structure firm, a leg-of-mutton shape is amounted at the middle part 13 of

upper ramus

1,13 positions form a triangle space to the sheet material of formation upper ramus 1 at the middle part like this, so not only can improve its intensity, and its shared spatial volume is further dwindled.

Above-mentioned upper ramus 1 structure that adopts also can be used for lower support rib 2, perhaps on other fulcra.

One end of the utility model lower support rib 2 is articulated in down nest 7, and the other end joins on middle ramus 4.

The two ends of pull bar 3 are hinged with upper ramus 1 and middle ramus 4 respectively, are connected with an extension spring 5 between lower support rib 2 and pull bar 3, the trend of utilizing the pulling force of extension spring 5 that umbrella rib structure is had to fold.Pull bar 3 adopts a steel wire to make, and each bending of its two ends has a

reverse hanging hole

32,33, is used for upper ramus 1 and middle ramus 4 hingedly, and these two

reverse hanging holes

32,33 lay respectively at the both sides of pull bar 3.Pull bar 3 middle bent have a spring hole 31 that supplies extension spring 5 to buckle.As shown in Figure 5.Pull bar 3 adopts this structure not only simple in structure, and present relatively product, its volume-diminished.Simultaneously, pull bar 3 two

ends hanging holes

32,33 are laid respectively at the both sides of pull bar 3, upper ramus 1, pull bar 3 lower support ribs 2, middle ramus 4 fit together more closely when parachute kit was folded, with the volume after further dwindling parachute kit and folding.

The embodiment of the above is preferred embodiment of the present utility model only, is not to limit practical range of the present utility model with this, so the equivalence that all shapes according to the utility model, structure and principle are done changes, all should be covered by in the protection domain of the present utility model.

Claims

1, a kind of umbrella rib structure of parachute kit, comprise: an end is articulated in the upper ramus (1) of nest (6), lower support rib (2), the pull bar (3) that an end is articulated in down nest (7) reaches and the hinged middle ramus (4) of lower support rib (2), wherein the other end of upper ramus (1) is articulated in lower support rib (2) middle part, the two ends of pull bar (3) are connected with middle ramus (4) with upper ramus (1) respectively, be connected with an extension spring (5) between lower support rib (2) and pull bar (3), it is characterized in that: the cross section at the middle part (13) of upper ramus (1) is triangular in shape; The two ends of pull bar (3) bending respectively are useful on and upper ramus (1) and hinged hanging hole (32), (33) of middle ramus (4), and its middle bent has a spring hole (31) that supplies extension spring (5) to buckle.

2, the umbrella rib structure of a kind of parachute kit according to claim 1 is characterized in that: upper ramus (1) has been bent to form two flangings (11,12), and flanging (11, the 12) top edge that upper ramus (1) middle part (13) is located abuts in together.

3, the umbrella rib structure of a kind of parachute kit according to claim 1 is characterized in that: the both sides that the hanging hole (32) at pull bar (3) two ends, (33) lay respectively at pull bar (3).