CN2109758U

CN2109758U - Stick structure of telescopic umbrella

Info

Publication number: CN2109758U
Application number: CN92202290U
Authority: CN
Inventors: 吴贵仁
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-02-07
Filing date: 1992-02-07
Publication date: 1992-07-15
Also published as: GB2263867A; DE9217635U1; GB9226655D0; GB2263867B

Abstract

The utility model relates to the stick structure of a telescopic umbrella. A spring, an extension latch, the spring and a prominence latch are orderly sheathed in two positioning guide holes that are preset at a latch positioning base. The latch positioning base is sheathed in an inner joint pipe, the extension latch and the prominence latch are respectively protruded out of two latch projecting holes that are preset at the inner joint pipe, and then the inner joint pipe is sheathed in an outer joint pipe. When the outer joint pipe is in the extension state, the extension latch and the prominence latch are ejected by the inner joint pipe, and are respectively clamped at a clamping and connecting part preset at the outer joint pipe and an extension hole. The purposes of tension and stability of the stick can be obtained. When the umbrella is folded, a lower nest is moved downwards, and is sheathed on the prominence latch of the stick; the purpose of folding the umbrella can be obtained.

Description

Stick structure of telescopic umbrella

The utility model relates to a kind of middle bar structure of improved multi-section umbrella, and it is more certain firm that the making of the flexible inner and outer pipe of You Zhiqi reaches the location easily, and because of the conjunction of interior outer segment tube short, short and use the middle bar structure of extension duration when making the umbrella folding.

Bar structure in the known multi-section umbrella, the following nest lug-latch of its folded umbrella is to make tortuous bow shape with latch plate, and since in the umbrella rod pipe whenever increase a right joint, the length of its single-unit pipe also shortens simultaneously, thereby this has the following nest lug-latch of equivalent length and is not suitable in the single-unit pipe that shortens; Another kind of known middle excellent lug-latch, be that to establish a retaining in U-shaped spring leaf one end prominent and add anti-off-line bow and constitute, not only bothersome during assembly fee, and excellent lug-latch is monolateral single retaining in this, and resistance support power is relatively poor, and the extra heavy pipe of middle rod uses the evagination point to fasten with time extra heavy pipe, cause if its outstanding mismate, then can influence its blocking effect, or the flexible of pipe hindered, to such an extent as to when middle rod draws back, produce loosening phenomenon of rocking; No. the 78202620th, Taiwan patent at above-mentioned two kinds known in the structures of rod improve, shown in figure six, seven, it is characterized in that the nest lug-latch uses the U-shaped spring leaf down, end in the U-shaped spring leaf is provided with a protruding baffle, can shorten down the entire length of nest lug-latch, answer the single-unit pipe of rod through shortening in the multi-section type umbrella to join, middle excellent lug-latch then is provided with retaining respectively in the two ends of U-shaped spring leaf prominent, with set two holes of rod in the Telescope umbrella match should, attempt reaches the effect of bilateral two retainings and strengthens its barrier functionality.Yet in fact, this structure is owing to being to utilize the U-shaped spring leaf to make the retaining swing of dashing forward in the hole of middle rod determine whether buckle into, therefore can form in response to retaining dash forward the angle position before and after swing difference and must offer the hole on the middle rod bigger, can successfully buckle into so that this retaining is prominent, caused promptly thus that retaining is prominent to be allocated Kong Zhonghou into and still can gappedly produce, made that still having the situation that shambles fixed behind the rod in strutting takes place.Other is the person, this U-shaped spring leaf is when doing the bending manufacturing, owing to must very accurate do bending be dashed forward corresponding to middle excellent hole by the retaining at its end place of solid welding, process wayward, caused virtually and made inconvenience, and this U-shaped spring leaf two ends be provided with retaining prominent promptly represent this two retaining prominent must be provided be engaged in excellent two-phase contraposition be set to 180 ° middle rod and keep off the hole of dashing forward, then can't cooperate in other position, therefore bar structure is not very perfect, practical in this, needs further improvement.

Main purpose of the present utility model is to overcome the middle bar structure that above-mentioned shortcoming provides a kind of improved multi-section umbrella,

The middle rod that the utility model proposes includes an outer segment tube and and cooperates the inner segment tube that is inserted in the outer segment tube, and this internal segment tube wall is provided with the outstanding hole of two lug-latches, and its center line is not on same straight line; Other is provided with one and is inserted in and has two positioning pilot holes in the inner segment tube and be lug-latch positioning seat corresponding to the outstanding hole site of above-mentioned two lug-latches, each has been inserted in spring respectively in regular turn and has stretched and has connect lug-latch, spring and outstanding lug-latch in each positioning pilot hole, makes outstanding lug-latch and stretch to connect lug-latch and eject outside the outstanding hole of the lug-latch of inner segment tube; This acromere tube wall is provided with and stretches out hole and receiving part, give prominence to the position of hole and positioning pilot hole simultaneously corresponding to each lug-latch, after inner segment tube stretches, just make to stretch to connect lug-latch and block receiving part, this moment outstanding lug-latch also simultaneously by outer segment tube stretch out the hole outstanding and finish in the extension of rod fix, to support parachute kit.

Details are as follows to the utility model below in conjunction with accompanying drawing and preferred embodiment, wherein:

Fig. 1 is the stereo appearance figure of middle rod of the present utility model;

Fig. 2 is the three-dimensional exploded view of middle bar structure of the present utility model;

Fig. 3 is the planar gesture figure of middle bar structure of the present utility model;

Fig. 4 is the planar gesture figure of middle bar structure of the present utility model;

Fig. 5 is the three-dimensional exploded view of another embodiment of middle bar structure of the present utility model;

Fig. 6,7 is the planar portions view of known middle bar structure.

Shown in Fig. 1 to 4, rod forms telescopic form by number pipe joint body cover group in the more piece of the present utility model, and the flexible structure that fixes of its control then is located at by an inner segment tube 1 and an outer segment tube 2 combo parts; As shown in Figure 2, be provided with the outstanding hole 11 of two lug-latches in inner segment tube 1, its central axis is not in a straight line, and lug-latch positioning seat 3 is made as the endoporus of corresponding inner segment tube 1 and the shape that can be inserted in, be provided with two positioning pilot holes 31 thereon, just make this two positioning pilot hole 31 correspond respectively to the outstanding hole 11 of two lug-latches after in lug-latch positioning seat 3 is inserted in inner segment tube 1, each has been inserted in spring 41 and outstanding lug-latch 4 in regular turn respectively in this two positioning pilot hole 31, spring 51 and stretching connects lug-latch 5 is inserted in lug-latch positioning seat 3 just to make behind the inner segment tube 1 outstanding lug-latch 4 to connect lug-latch 5 and all eject outside positioning pilot hole 31 with stretching, again inner segment tube 1 is fitted in addition and just form complete structure of the present utility model in the outer segment tube 2, this outer segment tube 2 is provided with one and stretches out a hole 21 and a receiving part 22 by drawing, they correspond respectively to outstanding lug-latch 4 and stretch the position that connects lug-latch 5, when inner segment tube 1 elongation (as shown in Figure 3), should outstanding lug-latch 4 and stretch and connect lug-latch 5 and all eject simultaneously and snap in respectively and stretch out hole 21 and receiving part 22 and fix, this two lug-latch is made inside and outside rectilinear motion and is cooperated the solid form of circular hole to make gap after its cooperation reduce to minimum degree and do not produce and rock situation; Promptly when middle rod is upheld parachute-opening, stretch and connect lug-latch 5 and stretch out outside the outstanding hole 11 of the lug-latch of inner segment tube 1, and fix the location with the receiving part 22 of outer segment tube 2, at this moment, the outstanding lug-latch 4 that is stretched out in the outstanding hole 11 of the lug-latch of inner segment tube 1 is also stretched out by the hole 21 of stretching out of outer segment tube 2 simultaneously, and becomes the middle rod that can open an umbrella and use, when closing one's umbrella, to descend nest 6 drop-down closing one's umbrella, contract in can be after down nest 6 is left behind and in smoothly with inner segment tube 1 income outer segment tube 2 (as shown in Figure 4) this two lug-latch; Another characteristics of the present utility model are to utilize this kind structural form can make two positioning pilot holes 31 need the position location and use different, promptly are that its two guide hole is done vertical direction setting each other as shown in Figure 5, so that its scope of application is wider.

In sum, structure of the present utility model can solve the existing shortcoming of known product, and reaches in conjunction with firm and easy to make, easy purpose.

Though in conjunction with a preferred embodiment the utility model is illustrated above, be to be understood that in not breaking away from spiritual scope of the present utility model, it can have various change types, these change types should be included in the claim scope of the present utility model.

Claims

1, a kind of middle bar structure of multi-section umbrella, it includes an outer segment tube and and cooperates the inner segment tube that is inserted in the outer segment tube, it is characterized in that: this internal segment tube wall is provided with the outstanding hole of two lug-latches, its central axis is not on same straight line, other is provided with one and is inserted in and has two positioning pilot holes in the inner segment tube and be lug-latch positioning seat corresponding to the outstanding hole site of above-mentioned two lug-latches, each has been inserted in spring respectively in regular turn and has stretched and has connect lug-latch, spring and outstanding lug-latch in each positioning pilot hole, makes outstanding lug-latch and stretch to connect lug-latch and eject outside the outstanding hole of the lug-latch of inner segment tube; This acromere tube wall is provided with and stretches out hole and receiving part, give prominence to the position of hole and positioning pilot hole simultaneously corresponding to each lug-latch, after inner segment tube stretches, just make to stretch to connect lug-latch and block receiving part, this moment outstanding lug-latch also simultaneously by outer segment tube stretch out the hole outstanding and finish in the extension of rod fix, to support parachute kit.