CN2620984Y

CN2620984Y - Windbreak rib of umbrella

Info

Publication number: CN2620984Y
Application number: CN 03247452
Authority: CN
Inventors: 洪希律
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-06-17
Filing date: 2003-06-17
Publication date: 2004-06-23
Anticipated expiration: 2013-06-17

Abstract

The utility model relates to a wind umbrella framework, which comprises a central stick (5), a main frame (1) for supporting the umbrella face, and a supporting frame (3) hinged to a middle butterfly (2) fixed at the middle part of the main frame (1), wherein the supporting frame (3) consists of a long supporting frame (31) and a short supporting frame (32) which are mutually hinged at each one end; the other end of the long supporting frame (31) connects by the pivoting method with a lower nest (6), and the other end of the short supporting frame (32) connects by the hinging method with the middle butterfly (2). When the umbrella is closed and propped open or the umbrella surface is turned outward in the strong wind, the long supporting frame (31) and the short supporting frame (32) that are mutually hinged can alter the angles between according to the force condition to adjust the linear distance from the lower nest (6) to the middle butterfly (2). The wind umbrella framework of the utility model has the advantage that an umbrella with the umbrella framework can be opened or closed smoothly and cannot be destroyed by strong winds.

Description

The wind-proof umbrella skeleton

Technical field

The utility model relates to a kind of support frame of en-toutcas, and the improvement that relates in particular to rim structure of umbrella makes it use in high wind and do not damage umbrella.

Background technology

When existing umbrella uses as typhoon or strong wind weather under the high wind condition, if wind blows from front, umbrella top, if the umbrella frame insufficient strength then is easy to be out of shape even fracture, then situation is more bad if high wind is attacked from the umbrella bottom blowing, and umbrella frame tends to fracture because umbrella cover upwards turns over.This is because its a main material bone of existing umbrella and a support bone are changeless with the relative main material bone of pivot end of middle excellent up-down runner and the distance of the hinged end between the support bone; umbrella is strutted when using; above-mentioned three flexible connection points are linked to be the fixing triangle in one three limit, can not produce between the umbrella frame to relatively move.This structure is done the time spent if meet high wind, and umbrella frame will inevitably damage.

Summary of the invention

The technical problems to be solved in the utility model provides a kind ofly can regulate the wind-proof umbrella skeleton that umbrella frame flexibly connects distance between the point according to stressing conditions.

The purpose of this utility model can realize by adopting following technical measures, design a kind of wind-proof umbrella skeleton, comprise: middle rod, fixedly sleeved nest on the middle excellent top and with the following nest of middle excellent slip socket, an end respectively with described on nest and following the nest main material bone and the support bone that articulate, the other end of a support bone connects with the middle cardinal that is fixed on main material bone middle part.

Its inventive point of wind-proof umbrella skeleton of the present utility model is: the draw money on credit support bone mutually hinged with an end replaces an original support bone with a short support bone, the other end of the described support bone of drawing money on credit and following nest pivot joint, and the other end and middle cardinal that described weak point props up support bone connect.Like this, the umbrella frame frame just can be regulated umbrella frame and flexibly connects distance between the point by draw money on credit angle between support bone and short the support bone of change.

When the umbrella frame frame is rounding state, draw money on credit support bone and short support bone be approximate be one with described in the excellent straight line of pressing close to mutually, thereby can not increase the collection volume of umbrella; When the umbrella frame frame is strutted, a short support bone is folded and is drawing money on credit between support bone and the main material bone, prop up support bone from the pressure of umbrella cover by folding weak point and reach the support bone of drawing money on credit again, this buffer structure can reduce the suffered moment of flexure of the support bone of drawing money on credit, and strengthens to support that fracture is pressed and the holding capacity of tension; Particularly make the umbrella frame frame must be toward turn up the time when wind-force outwards acts on umbrella cover from the lining, main material bone can drive draw money on credit support bone and the short support bone that are in folded state and launch certain angle and guarantee can not fracture umbrella frame.

Described weak point props up the convex brace groove that can hold the main material bone of pad of establishing of support bone, the effect of this brace groove is when the umbrella frame frame is in the user mode that is strutted, can prop up the main material bone that is subjected to the downward tension force effect of umbrella cover, make main material bone more straight, umbrella cover is more attractive in appearance, and main simultaneously material bone also falls into the umbrella frame frame can not rocked.

Be provided with extension spring in the draw money on credit bottom of support bone of each root, an end of this extension spring is articulated in the end of the support bone of drawing money on credit, and the other end is connected with following nest.This extension spring is put up to opening receipts automatic umbrella folding and unfolding very smoothly umbrella frame, and can guarantee that the umbrella frame frame can not be subjected to the low-force outside from the lining slightly just toward turning up.

Compared with prior art, wind-proof umbrella skeleton of the present utility model has following advantage: a support bone hinged and that articulate with following nest is by the folding support bone and shortly prop up that support bone is hinged to form of drawing money on credit with main material bone middle part respectively, and its bearing length can automatically adjust according to the stressing conditions of umbrella frame; Therefore improved the tension anti-pressure ability of umbrella frame frame widely, particularly allowed main material bone, made umbrella frame frame of the present utility model be particularly suitable in high wind weather, using toward turning up.

Description of drawings

The drawing of accompanying drawing is described as follows:

Fig. 1 is the structural representation of wind-proof umbrella skeleton of the present utility model;

Fig. 2 is the enlarged drawing of a support bone 3 and main material bone 1 junction;

Fig. 3 is the I-I profile among Fig. 2;

Structural representation when Fig. 4 turns up for wind-proof umbrella skeleton of the present utility model is past;

Fig. 5 is the structural representation of existing automatic umbrella frame frame.

The utility model is described in further detail below in conjunction with drawings and Examples.

The specific embodiment

As shown in Figure 1, the utility model wind-proof umbrella skeleton comprises: be arranged in the umbrella axis excellent 5, fixedly sleeved on excellent 5 tops nest 7 and with the following nest 6 of excellent 5 slip sockets, main material bone 1 one ends and the last nest 7 that support umbrella cover articulate, support bone 3 one end that supports main material bone 1 articulate with following nest 6, the other end is hinged with the middle butterfly 2 that is fixed on main material bone 1 middle part, wherein, described support bone 3 is made up of with a short support bone 32 the mutually hinged support bone 31 of drawing money on credit of an end, it is hinged that the other end of the described support bone 31 of drawing money on credit and 6 pivot joints of following nest, described weak point prop up the other end and the middle butterfly 2 of support bone 32.

At the rounding state of umbrella frame frame, draw money on credit support bone 31 and a short support bone 32 be stretched to approximate be one with described in rod 5 straight lines of pressing close to mutually, the volume of umbrella when collecting can not increase like this; When the umbrella frame frame is strutted, as Fig. 1, a short support bone 32 is folded and is drawing money on credit between support bone 31 and the main material bone 1, prop up support bone from the pressure of umbrella cover by folding weak point and reach the support bone of drawing money on credit again, this buffer structure can obviously reduce the suffered moment of flexure of the support bone of drawing money on credit, and strengthens the resistance to compression tension holding capacity of a support bone; Particularly when umbrella cover was subjected to the high wind effect outside from the lining that the umbrella frame frame must past be turned up, main material bone 1 can drive the support bone 31 of drawing money on credit that is in folded state and suitably launch with a short support bone 32, and main like this material bone 1 is rotating certain angle (Fig. 4) outward.Therefore no matter the front of umbrella still is that reverse side is blown by high wind, and umbrella frame all is not easy to fracture.And existing umbrella frame frame (Fig. 5), support bone to the connection length of main material bone is fixed, thereby umbrella frame can not turn up, otherwise will fracture.

As shown in Figure 2, described weak point props up the short hinged end place of propping up the support bone 32 and the support bone 31 of drawing money on credit of support bone 32 next-door neighbours and upwards is convexly equipped with a brace groove 321.Described brace groove 321 surrounds the groove of upward opening by two circular arc ears that upwards are convexly equipped with, and can hold a main material bone 1 of pad.When main material bone 1 is subjected to from the pressure of umbrella cover and when down curved, as Fig. 3, its a bit of being stuck in this brace groove 321 prevents that main material bone 1 from swinging, and has increased the stability of umbrella, and can make main material bone 1 more straight, umbrella cover is more attractive in appearance.

General automatic umbrella as shown in Figure 5, its compression spring all is that two annulars up and down that are sleeved on down nest connect between the groove, thereby makes spring compression and extension make umbrella open or fold by two relative position changes that connect grooves.Replace compression spring (Fig. 1) with extension spring 4 in the utility model, described extension spring 4 is located at the bottom of each support bone 31 of drawing money on credit, and the one end is articulated in the outer end of the support bone 31 of drawing money on credit, and the other end is connected with following nest 6.Nest 6 has two annulars connection grooves that relative position is fixing up and down under described, and the described pivot that articulates with the support bone 31 of drawing money on credit is fixed on and is connected in the groove, is fixed on down with the pivot of described extension spring 4 pivot joints to be connected in the groove.Described support bone 31 cross sections of drawing money on credit are the flute profile under shed, and when umbrella drew in, described extension spring 4 can be concealed in this groove.Elastic force when adopting extension spring 4 that umbrella is opened is bigger, and parachute-opening is more smooth and easy, and can guarantee that the umbrella frame frame can not be subjected to the low-force outside from the lining slightly just toward turning up.One section of being connected with following nest 6 of described extension spring 4 is wire.

Claims

1, a kind of wind-proof umbrella skeleton, comprise: middle rod (5), fixedly sleeved at middle rod (5) top last nest (7) and go up the main material bone (1) of nest (7) and following nest (6) pivot joint and prop up support bone (3) with described respectively with following nest (6), an end of middle rod (5) slip socket, the other end that props up support bone (3) is hinged with the middle butterfly (2) that is fixed on main material bone (1) middle part, it is characterized in that:

Described support bone (3) comprises a support bone of drawing money on credit (31) that an end is mutually hinged and a short support bone (32), and it is hinged that the other end of the described support bone of drawing money on credit (31) and following nest (6) pivot joint, described weak point prop up the other end and the middle butterfly (2) of support bone (32);

At the rounding state of umbrella frame frame, the support bone of drawing money on credit (31) and short support bone (32) be approximate be one with described in excellent (5) straight line of pressing close to mutually; The umbrella frame frame is strutted, and a short support bone (32) is folded and is positioned between support bone of drawing money on credit (31) and the main material bone (1); The umbrella frame frame is subjected to external force pressure toward turning up, and a support bone of drawing money on credit (31) and a short support bone (32) that described main material bone (1) pulling is in folded state suitably launch.

2, wind-proof umbrella skeleton according to claim 1 is characterized in that: described weak point props up support bone (32) and upwards is convexly equipped with the brace groove (321) that can hold the main material bone of pad (1).

3, wind-proof umbrella skeleton according to claim 1 is characterized in that: be provided with extension spring (4) in the draw money on credit bottom of support bone (31) of each root, an end of this extension spring (4) is articulated in the end of the support bone of drawing money on credit (31), and the other end is connected with following nest (6).

4, wind-proof umbrella skeleton according to claim 3, it is characterized in that: described nest (6) down has two annular connection grooves up and down, the described pivot that articulates with the support bone of drawing money on credit (31) is fixed on and is connected in the groove, is fixed on down with the pivot of described extension spring (4) pivot joint to be connected in the groove.

5, wind-proof umbrella skeleton according to claim 3 is characterized in that: a section of being connected with following nest (6) of described extension spring (4) is wire.

6, wind-proof umbrella skeleton according to claim 2, it is characterized in that: described brace groove (321) the next-door neighbour weak point that props up the main material bone of pad (1) that holds props up the hinged end of the support bone (32) and support bone (31) of drawing money on credit, and is surrounded the groove of upward opening by the two circular arc ears that upwards are convexly equipped with.