CN205306186U

CN205306186U - A stick in umbrella for folding umbrella

Info

Publication number: CN205306186U
Application number: CN201520941996.6U
Authority: CN
Inventors: 洪春谋
Original assignee: Huizhou City Huiyang District Xinwei Xinhongchang Hardware Products Factory; Huizhou City Huiyang District Qiuchang Yuansheng Umbrella Processing Hardware Store
Current assignee: Huizhou City Huiyang District Xinwei Xinhongchang Hardware Products Factory; Huizhou City Huiyang District Qiuchang Yuansheng Umbrella Processing Hardware Store
Priority date: 2015-11-24
Filing date: 2015-11-24
Publication date: 2016-06-15
Anticipated expiration: 2025-11-24

Abstract

The utility model provides a stick in umbrella for folding umbrella, includes well stick, well stick include inner tube, first outer tube and second outer tube from inside to outside in proper order, the inner tube connect including, the pipe diameter by the circular arc line in proper order form alternate four convex arc faces and four concave arc faces to the surface inside and outside circumference, first outer tube connect in proper order by the circular arc line inside and outside circumference, form first outer tube convex arc face and three first outer tube concave arc face on first outer tube radial surface, first outer tube concave arc face end to end, first outer tube convex arc face locate two first outer tube concave arc interfacials, the second outer tube connect in proper order by the circular arc line inside and outside circumference, at alternate four second outer tube convex arc faces and four the second outer tube concave arc faces in the radial surface of second outer tube.

Description

Umbrella shaft for folded umbrella

Technical field

This utility model relates to rain gear field, espespecially a kind of umbrella shaft for folded umbrella.

Background technology

The middle rod of existing umbrella adopts pipe, in use procedure, can exist and make steel wire bend in umbrella-folding process, reel compressive strain, causes middle rod to fold and has some setbacks or outer tube scratch/break, make umbrella to fold and become waste product.

Utility model content

For solving the problems referred to above, this utility model provides a kind of umbrella shaft for folded umbrella.

For achieving the above object, this utility model adopts the following technical scheme that and is: a kind of umbrella shaft for folded umbrella, including middle rod, it is characterized in that: described middle rod includes interior pipe from inside to outside successively, first outer tube and the second outer tube, described interior pipe is linked in sequence by circular arc line inside and outside circumference, alternate four convex globoidal and four cancave cambered surfaces are formed at interior pipe radial surface, the first described outer tube is linked in sequence by circular arc line inside and outside circumference, the first outer tube convex globoidal and three the first outer tube cancave cambered surfaces are formed at the first outer tube radial surface, first outer tube cancave cambered surface joins end to end, first outer tube convex globoidal is located between two first outer tube cancave cambered surfaces, the second described outer tube is linked in sequence by circular arc line inside and outside circumference, at alternate four the second outer tube convex globoidals of the second outer tube radial surface and four the second outer tube cancave cambered surfaces.

Preferably, described cancave cambered surface radius is more than convex globoidal radius.

Preferably, the first described outer tube cancave cambered surface radius is equal to the first outer tube convex globoidal radius.

Preferably, the second described outer tube cancave cambered surface radius is less than the second outer tube convex globoidal radius.

The beneficial effects of the utility model are in that: in this utility model, rod adopts inner and outer pipes to carry out flexible enforcement folder function, inner and outer pipes surface forms different cambered surfaces, bend hole at the line of interior tube-surface simultaneously and change interior shell fragment into, slided by cambered surface between interior pipe and the first outer tube and the first outer tube and the second outer tube, make umbrella in use more firm, not easily wave, and the extension power opening rear middle rod is stronger, when folding, pulling force is relatively big, uses umbrella person to have only to firmly just to keep umbrella well gently.

Accompanying drawing explanation

Fig. 1 is this utility model structure chart.

Fig. 2 is this utility model inner tube structure figure.

Fig. 3 is this utility model the first outer tube structure figure.

Fig. 4 is this utility model the second outer tube structure figure.

Mark illustrates: 1. pipe in; 11. convex globoidal; 12. cancave cambered surface; 2. the first outer tube; 21. the first outer tube convex globoidal; 22. the first outer tube cancave cambered surface; 3. the second outer tube; 31. the second outer tube convex globoidal; 32. the second outer tube cancave cambered surface.

Detailed description of the invention

Refer to shown in Fig. 1-4, this utility model is about a kind of umbrella shaft for folded umbrella, including middle rod, described middle rod includes interior pipe 1 from inside to outside successively, first outer tube 21 and the second outer tube 3, described interior pipe 1 is linked in sequence by circular arc line inside and outside circumference, alternate four convex globoidal 11 and four cancave cambered surfaces 12 are formed at interior pipe 1 radial surface, described cancave cambered surface 12 radius is more than convex globoidal 11 radius, the first described outer tube 21 is linked in sequence by circular arc line inside and outside circumference, the first outer tube convex globoidal 21 and three the second outer tube 3 convex globoidals 22 are formed at the first outer tube 21 radial surface, second outer tube 3 convex globoidal 22 joins end to end, first outer tube convex globoidal 21 is located between two second outer tube 3 convex globoidals 22, the second described outer tube 3 convex globoidal 22 radius is equal to the first outer tube convex globoidal 21 radius, the second described outer tube 3 is linked in sequence by circular arc line inside and outside circumference, at alternate four the second outer tube convex globoidals 31 of the second outer tube 3 radial surface and four the second outer tube cancave cambered surfaces 32, the second described outer tube cancave cambered surface 32 radius is less than the second outer tube convex globoidal 31 radius.

Existing umbrella center-stick is generally adopted pipe, in use easily must be waved severity by wind, in this utility model, the inner and outer pipes surface of rod forms different cambered surfaces, bend hole at the line of interior tube-surface simultaneously and change interior shell fragment into, fixed by cambered surface and inside pipe wall between interior pipe and the first outer tube and the first outer tube and the second outer tube, make umbrella in use more firm, not easily wave, and the extension power of rod is stronger in after opening, slided by cambered surface, when folding, pulling force is relatively big, uses umbrella person to have only to firmly just to keep umbrella well gently.

Embodiment of above is only that preferred implementation of the present utility model is described; not scope of the present utility model is defined; under the premise designing spirit without departing from this utility model; various deformation that the technical solution of the utility model is made by this area ordinary skill technical staff and improvement, all should fall in the protection domain that claims of the present utility model are determined.

Claims

1. the umbrella shaft for folded umbrella, including middle rod, it is characterized in that: described middle rod includes interior pipe from inside to outside successively, first outer tube and the second outer tube, described interior pipe is linked in sequence by circular arc line inside and outside circumference, alternate four convex globoidal and four cancave cambered surfaces are formed at interior pipe radial surface, the first described outer tube is linked in sequence by circular arc line inside and outside circumference, the first outer tube convex globoidal and three the first outer tube cancave cambered surfaces are formed at the first outer tube radial surface, first outer tube cancave cambered surface joins end to end, first outer tube convex globoidal is located between two first outer tube cancave cambered surfaces, the second described outer tube is linked in sequence by circular arc line inside and outside circumference, at alternate four the second outer tube convex globoidals of the second outer tube radial surface and four the second outer tube cancave cambered surfaces.

2. a kind of umbrella shaft for folded umbrella according to claim 1, it is characterised in that: described cancave cambered surface radius is more than convex globoidal radius.

3. a kind of umbrella shaft for folded umbrella according to claim 1, it is characterised in that: the first described outer tube cancave cambered surface radius is equal to the first outer tube convex globoidal radius.

4. a kind of umbrella shaft for folded umbrella according to claim 1, it is characterised in that: the second described outer tube cancave cambered surface radius is less than the second outer tube convex globoidal radius.