CN200990929Y

CN200990929Y - Umbrella main-pole structure

Info

Publication number: CN200990929Y
Application number: CN 200720000223
Authority: CN
Inventors: 吴增荣; 陈先荣
Original assignee: WU ZNEGRONG
Current assignee: WU ZNEGRONG
Priority date: 2007-01-04
Filing date: 2007-01-04
Publication date: 2007-12-19
Anticipated expiration: 2017-01-04

Abstract

The utility model relates to an umbrella main shaft structure which adds a convex polygonal inner cannula on the original umbrella main cannula by the dovetail way that is constituted by single cannula like a metal (iron) pipe or a carbon fiber pipe. The convex polygonal inner cannula has the same length or relatively shorter length as the original umbrella main cannula. The outer ends of a plurality of salients of the convex polygonal inner cannula can be sealed and sustained the inner tube face of the original umbrella main cannula or the inner tube face of relatively fragile parts. The umbrella main shaft or the relatively fragile parts of the umbrella main shaft can be hermetically connected by differently shaped faces of the inner cannula and the outer cannula so as to increase the intensity and rigidity of the main shaft structure, and improve the using functions and life service of the umbrella, overcome the shortcoming that the existing umbrella main shaft can only utilize the single cannula such as the metal (iron) pipe or the carbon fiber pipe which forms an easily bent and fragile structure; and retain the function of making the component hole of the stopper in the umbrella main shaft.

Description

Umbrella mobile jib structure

Technical field

The utility model relates to the umbrella structure, is meant umbrella mobile jib structure especially.

Background technology

Existing parachute kit can generally be divided into folding umbrella (folding umbrella) or general umbrella (unfoldingumbrella) that can not folding, wherein with regard to general umbrella, no matter its umbrella stand (umbrella frame) is to strut (opening umbrella) state or folding (closing one's umbrella) state with umbrella cloth, its umbrella mobile jib (main shaft, or title king-rod) all must have sufficient intensity to support or to protect whole parachute kit and stressed, as when opening umbrella state, as long as the umbrella cloth wind-engaging blows or is collided when oppressing, all can cause the stress point of a lateral displacement (bending) to umbrella mobile jib upper end, and the handle of umbrella that staff grips forms a fixed pivot to umbrella mobile jib lower end, makes the umbrella mobile jib often be subjected to lateral pressure; And for example when umbrella closing state, parachute kit is commonly used to a ground and uses, and the upper and lower end that makes the umbrella mobile jib is subjected to axial compressive force simultaneously and causes the positive pressure of umbrella mobile jib, and also is subjected to the lateral pressure of a great deal of simultaneously; So, the umbrella mobile jib of existing general umbrella only utilizes single sleeve pipe such as metal (iron) pipe or glass fibre/carbon fiber (glass fiber/carbon fiber) pipe to constitute, and umbrella mobile jib tool one length but its tube thickness limited (for reducing material cost or weight reduction), cause its structural strength often because of not enough bending or the crack conditions of taking place easily, especially the interlude of umbrella mobile jib or be its relative more fragile position with the junction of handgrip, easier generation bending or crack conditions; Again when the umbrella mobile jib has the bending situation, will directly influence the ride comfort that slide up and down of a slip nest ring (runner or runner notch) on the umbrella mobile jib, make the parachute kit operation that can't normally open umbrella or close one's umbrella, the inconvenience that causes parachute kit to use, even can't operate and just as damage; The utility model is promptly improved at the structural disadvantages of the umbrella mobile jib of above-mentioned existing general umbrella.

Summary of the invention

The utility model main purpose is to be to provide a kind of umbrella mobile jib structure, to strengthen the structural strength and the rigidity of umbrella mobile jib, and promote the function of use and the life-span of umbrella, and overcome general umbrella mobile jib and only utilize single sleeve pipe such as metal (iron) pipe or glass/carbon fiber pipe to constitute to cause the not enough and shortcoming damaged of bending easily of structural strength.

The utility model purpose again is to be to provide a kind of umbrella mobile jib structure, wherein said convex polygon inner sleeve comparable umbrella master sleeve pipe or length short, making described convex polygon inner sleeve can be set in umbrella master sleeve pipe (or umbrella mobile jib) goes up on the inner tube surface at relative more fragile position, as the junction of the interlude of umbrella master sleeve pipe (umbrella mobile jib) or itself and handgrip, to strengthen on the umbrella mobile jib structural strength and the rigidity at more fragile position relatively.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of umbrella mobile jib structure is characterized in that: comprise a umbrella master sleeve pipe and a polygon inner sleeve, wherein: umbrella master sleeve pipe is to utilize a cross section to constitute for circular or oval-shaped sleeve pipe; The polygon inner sleeve is that to utilize a cross section be that polygonal sleeve pipe constitutes, and it is the hollow inside that is set in described umbrella master sleeve pipe in the driving fit mode, and its several salient angle outer ends support on the inner tube surface of umbrella master sleeve pipe.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be: make the umbrella mobile jib or it on relative more fragile position connect airtight by the inside and outside sleeve pipe fit of two different external surfaces and form, to strengthen the structural strength and the rigidity of umbrella mobile jib, and promote the function of use and the life-span of parachute kit relatively, and can overcome general existing umbrella mobile jib and only utilize single sleeve pipe such as metal (iron) pipe or carbon fiber pipe to constitute to cause the not enough and easy shortcoming damaged of bending of structural strength, and still can keep offering on the umbrella mobile jib the existing function of block card (stopper) hole in piece part.

Description of drawings

Fig. 1 is the schematic appearance of the utility model one parachute kit;

Fig. 2 is the perspective exploded view of the utility model umbrella mobile jib one embodiment;

Fig. 3 is the solid combination schematic diagram of the utility model umbrella mobile jib one embodiment (the polygon sleeve pipe of sheathed equal length);

Fig. 4 is the cross section cross-sectional schematic of Fig. 3 the utility model umbrella mobile jib one embodiment;

Fig. 5 is the solid combination schematic diagram of another embodiment of the utility model umbrella mobile jib (sheathed relatively short polygon sleeve pipe);

Fig. 6 is the perspective exploded view of another embodiment of the utility model umbrella mobile jib;

Fig. 7 is the solid combination schematic diagram of another embodiment of the utility model umbrella mobile jib (the polygon sleeve pipe of sheathed equal length);

Fig. 8 is the cross section cross-sectional schematic of another embodiment of Fig. 7 the utility model umbrella mobile jib;

Fig. 9 is the solid combination schematic diagram of another embodiment of the utility model umbrella mobile jib (sheathed relatively short polygon sleeve pipe).

Description of reference numerals: 1-parachute kit; 10-umbrella mobile jib; 11-umbrella master sleeve pipe; The 111-inner tube surface; The 12-inner sleeve; 121-salient angle outer end; 13-slip nest ring; The last hole in piece part of 14-; The last block card of 15-; Hole in piece part under the 16-; Block card under the 17-.

The specific embodiment

Please refer to Fig. 1 and Fig. 2～Fig. 4 or Fig. 6～shown in Figure 8, it is respectively the three-dimensional exploded view of parachute kit schematic appearance of the present utility model and umbrella mobile jib one embodiment, the three-dimensional combination figure of umbrella mobile jib one embodiment and cross section cross-sectional schematic thereof, the parachute kit 1 (as shown in Figure 1) that the utility model is implemented be meant can not folding general parachute kit, the utility model is that the structural disadvantages at the umbrella mobile jib of existing general umbrella is improved, and provide a kind of umbrella mobile jib 10 with reinforced structure, described umbrella mobile jib 10 (as Fig. 1 and Fig. 2～Fig. 4 or Fig. 6～shown in Figure 8) is to comprise: a umbrella master sleeve pipe 11 and a convex polygon inner sleeve 12, wherein, described umbrella master sleeve pipe 11 is to utilize metal tube such as iron pipe or glass fibre/carbon fiber (glass fiber/carbon fiber) the pipe formation of a cross section for circle or sub-circular (as ellipse), and it can continue to use or keep the existing specification of existing general umbrella mobile jib by single sleeve pipe such as metal (iron) pipe or carbon fiber pipe formation; And described convex polygon inner sleeve 12 is to utilize a cross section to constitute for convex polygon metal tube (as iron pipe), described convex polygon metal tube with etc. salient angle be good, its salient angle number does not limit, can comprise triangle, quadrangle, pentagon, hexagon and octagonal etc., making moulding and can simple and easyly be inserted in umbrella master sleeve pipe 11 again inner by low cost simple for selecting principle for use, wherein and with salient angle outnumber or equal five for good, as protruding octagonal metal tube (shown in Fig. 2～4), or protruding hexagon metal tube (shown in Fig. 6～8), make described convex polygon inner sleeve 12 can cooperate umbrella master sleeve pipe 11 to carry out perforate (slotting-opens the punching of groove/punching-) operation with simple and easy, offer on one hole in piece part 14 respectively for block card on (upper stopper) 15 and hole in piece part 16 once being set as appropriate position above or below at umbrella mobile jib 10 for block card (bottom stopper) 17 once is set, make open umbrella or during umbrella closing state slip nest ring (runner or runner notch) 13 respectively the automatic catch fastening be positioned at 15 (as shown in Figure 1) of block card (upper stopper) or (scheming not show) on the block card (bottom stopper) 17 down.

Perforate (slotting/punching) operating type as for upper and lower hole in piece part 14,16 does not limit, can make umbrella master sleeve pipe 11 and convex polygon inner sleeve 12 carry out the perforate processing and forming respectively, make umbrella master sleeve pipe 11 and convex polygon inner sleeve 12 aim at contrapositions cover integrators with the ccontaining described upper and lower block card of difference (stopper) 15,17 again by means of outer, interior two corresponding hole in piece part; Or make convex polygon inner sleeve 12 be set in umbrella master sleeve pipe 11 inside earlier with after being combined into one, carry out one time the perforate processing and forming more simultaneously.

As Fig. 4 or shown in Figure 8, described convex polygon inner sleeve 12 is the hollow inside that is set in described umbrella master sleeve pipe 11 in the driving fit mode, make several salient angle outer ends 121 of described convex polygon inner sleeve 12 can driving fits and support on the inner tube surface 111 of umbrella master sleeve pipe 11, make umbrella mobile jib 10 by in the different external surfaces, outer two

sleeve pipes

12,11 connect airtight fit mutually forms, to strengthen the structural strength and the rigidity of umbrella mobile jib 10, and can promote the function of use and the life-span of umbrella relatively, and can overcome general umbrella mobile jib and only utilize single metal tube such as iron pipe to constitute to cause the not enough and easy shortcoming damaged of bending of structural strength.

Again, length matching relationship between umbrella master sleeve pipe 11 and the convex polygon inner sleeve 12 does not limit, as Fig. 3 or shown in Figure 7, can utilize the convex polygon inner sleeve 12 with umbrella master sleeve pipe 11 equal lengths to be inserted in the umbrella master sleeve pipe 11, with structural strength and the rigidity that strengthens whole umbrella mobile jib 10; In addition, consider based on material cost or other processing operation, also can utilize the convex polygon inner sleeve 12 shorter to be inserted in the umbrella master sleeve pipe 11 (as Fig. 5 or shown in Figure 9) than umbrella master sleeve pipe 11 length, and make described relatively short polygon inner sleeve 12 be positioned at more fragile relatively position on the umbrella master sleeve pipe 11, as the interlude of umbrella master sleeve pipe 11 or umbrella master sleeve pipe 11 junction, to strengthen the partial structurtes intensity and the rigidity at umbrella master sleeve pipe 11 relative more fragile positions with handgrip.

The above only is this novel preferred embodiment, and novel for this only is illustrative, and nonrestrictive; Those skilled in the art is understood, and can carry out many changes to it in these spirit and scope that novel claim limited, revise, even the equivalence change, but all will fall in this novel protection domain.

Claims

1. umbrella mobile jib structure is characterized in that: comprise a umbrella master sleeve pipe and a polygon inner sleeve, wherein:

Umbrella master sleeve pipe is to utilize a cross section to constitute for circular or oval-shaped sleeve pipe;

The polygon inner sleeve is that to utilize a cross section be that polygonal sleeve pipe constitutes, and it is the hollow inside that is set in described umbrella master sleeve pipe in the driving fit mode, and its several salient angle outer ends support on the inner tube surface of umbrella master sleeve pipe.

2. according to the described umbrella mobile jib of claim 1 structure, it is characterized in that: described umbrella master sleeve pipe is to utilize metal tube to constitute.

3. according to the described umbrella mobile jib of claim 1 structure, it is characterized in that: described umbrella master sleeve pipe is to utilize fiberglass pipe or carbon fiber pipe to constitute.

4. according to the described umbrella mobile jib of claim 1 structure, it is characterized in that: the convex polygon pipe that described polygon inner sleeve is first-class salient angle.

5. according to the described umbrella mobile jib of claim 1 structure, it is characterized in that: the convex polygon metal tube that described polygon inner sleeve is first-class salient angle.

6. according to the described umbrella mobile jib of claim 1 structure, it is characterized in that: described polygon inner sleeve is the protruding octagonal metal tube of first-class salient angle.

7. according to the described umbrella mobile jib of claim 1 structure, it is characterized in that: the length of described polygon inner sleeve is the equal in length with umbrella master sleeve pipe.

8. according to the described umbrella mobile jib of claim 1 structure, it is characterized in that: the length of described polygon inner sleeve is the length that is shorter than umbrella master sleeve pipe.