CN2353206Y - Multifold umbrella with telescopic middle stick - Google Patents

Abstract

The utility model relates to a multifold umbrella with a climactic return-cocked telescopic middle stick. The multifold umbrella with a telescopic middle stick has the advantages that the length of an umbrella can he shorten, the volume of the umbrella can be decreased, the manufacture difficulty is small and the operation of the opening and recovering of the umbrella is smooth. The utility model comprises a middle stick, an umbrella stick unit assembly pivoted to the middle stick and an umbrella cloth installed on the umbrella stick unit assembly; the middle stick is formed by a plurality of tubes which are sheathed in a telescopic mode; the size of an upper tube is the smallest, and a plurality of arced concave quadrants are formed on the cross section of the upper tube; a convex ridge section which defines an accommodated spring section socket is clamped by two adjacent concave quadrants; a plurality of tubes forming the middle stick have the arrangement that the arced convex quadrants are increased one by one from the arced concave quadrants of the upper tube to the arced concave quadrants of a lower tube, until the cross section of the lowest tube presents in a circular ring surface.

Description

Has gradually many foldings umbrella of the telescopic middle rod of the prominent circle of layer

The utility model belongs to umbrella, particularly a kind of have gradually the prominent circle of layer telescopic in many foldings umbrella of rod.

The parachute kit of commonly using, long for the weak pointization umbrella, reduce the volume of umbrella, so that carry and store, usually umbrella frame to be made multi-bendedly, rod is then formed by the flexible fit of majority pipe in its umbrella.Bullet joint (sp5ing catch) in after the parachute-opening in the rod can be positioned deployed condition with the following nest of buckle umbrella frame by outstanding middle rod.When closing one's umbrella, push bullet joint, force in its retraction behind the rod then nest under the down-drawable, but just the folding umbrella frame and in excellent all pipes.

Rod in many folding Telescope umbrellas, in four foldings or five folding umbrellas, the diameter of pipe or width minimum on it.Desire is installed the difficulty that aforementioned bullet saves will be increased on making in the pipe on so little.The number of telescoping tube the more, the diameter or the width of pipe more is narrow and small on uppermost, supports during parachute-opening that the width of the bullet joint of nest then must be possessed certain size down.Therefore, desire to make the telescoping tube number to increase, shorten the length of rod in the back that closes one's umbrella, go up pipe " bottleneck " by forming.As the middle rod of three-joint pipe, desire to make four joints, when five joints are above, just the placement issue of bullet joint can take place.

United States Patent (USP) the 4th, 739 has disclosed the structures of the many foldings of a kind of weak point umbrella for No. 783.Wherein the 3rd bone of umbrella frame assembly sleeves to the 4th bone.Because of the 3rd bone and the 4th bone system employing slip fit, thus the intensity and the stability of reduction umbrella frame assembly.And when open, when closing one's umbrella, opening, receiving of umbrella frame only relies on first, second bone to start, and the 3rd, the 4th bone is because of being to be slidingly matched, and because of non-pivot is linked to be the origination action that the relation of connecting rod is helpless to out, closes one's umbrella, the operation that causes out, closes one's umbrella is dumb, it is suitable to make it circle.

The purpose of this utility model provide a kind of weak point umbrella volume, manufacture difficulty long, that reduce umbrella little, open the operation circle that closes one's umbrella suitable have the prominent circle of layer gradually telescopic in many foldings umbrella of rod.

The utility model comprise middle rod, pivot be connected on the rod the umbrella frame assembly and be installed in umbrella cloth on the umbrella frame assembly.

Middle rod comprises pipe, first intervalve, second intervalve and manages down.

Last pipe cross section comprises to three arc-shaped concave quadrants 3 of middle excellent vertical axis indent and from a radially outward outstanding arc convex quadrant 4 of middle excellent vertical axis, 3 in adjacent two arc-shaped concave quadrants form ridge protuberance 5, then define the pod 6 of ccontaining bullet joint in the ridge protuberance 5.Last pipe is provided with and allows the outside grooving of bullet joint projection.Elasticity is held and is provided with the bullet joint in the last pipe.

The first intervalve cross section comprises that two concave surface quadrants 3 of excellent vertical axis indent in the first intervalve diameter, two side direction reach from two the arc convex quadrants 4 of middle excellent vertical axis to diameter two side direction projections.First intervalve is flexible to sleeve to outside the pipe, and is positioned at the pipe below when parachute-opening.

The second intervalve cross section comprises to an arc-shaped concave quadrant 3 of middle excellent vertical axis indent and from three outwards outstanding arc convex quadrants 4 of middle excellent vertical axis.Second intervalve is flexible to sleeve to outside first intervalve.

Managing the cross section down serves as reasons from four outwards outstanding cylindrical surface that arc convex quadrant 4 surrounds of middle excellent vertical axis.Following pipe is flexible to sleeve to outside second intervalve.Parachute-opening pipe at present is positioned at second intervalve below, and the connection handle grips for the user.

The umbrella frame assembly comprises parietal bone, lower support rib, intermedium, interior connection bone, connects bone, elasticity bone, coccyx and connector outward.Parietal bone and last nest pivot connect.Lower support rib connects with the following nest pivot that sleeves on the middle rod.The intermedium pivot connects parietal bone.The interior bone pivot that connects connects lower support rib and intermedium.The outer bone pivot that connects connects intermedium and connects coccyx with the connector pivot.Elasticity bone pivot connects parietal bone and the outer bone that connects.

Umbrella cloth be installed in the umbrella frame assembly parietal bone, intermedium, connect on bone and the coccyx outward.

Wherein:

The interior connection bone of umbrella frame assembly is a thin-and-long connecting rod bar, vertically is provided with microscler reinforcement key on it to connect the intensity of bone in the reinforcement; The interior bone that connects is listed in the parietal bone below, and makes the common parallelogram connection-rod group that constitutes of parietal bone, lower support rib, interior connection bone and intermedium; Lower support rib and parietal bone are provided with U-lag.

Colligator is the plastic cement colligator; Connector one end is a nipple, is a pair of lug in the middle of it, and its other end is arranged with U-lag; Connector with its nipple with outward to be connected the bone outer end affixed, and with pin and the coccyx pivot company of passing lug and coccyx inner end pin-and-hole in the middle of it; Connector holds with its U-lag and supports coccyx.

Last pipe lower end constitutes the expansion section; Its cross section comprises two arc convex quadrants 4 that split the arc-shaped concave quadrant 3 of pipe diameter both sides and split pipe other direction diameter both sides; Last Guan Yiqi expansion section is flexible to be sleeved in first intervalve.

The first intervalve upper and lower end constitutes contraction flow region and expansion section respectively; Contraction flow region shrinks a little from first intervalve upper end, and its transverse shape is corresponding with last pipe transverse shape, is sleeved on outside the pipe with flexible; The expansion section enlarges a little from the first intervalve lower end, and its transverse shape is corresponding with the transverse shape of second intervalve, is sleeved in second intervalve with flexible.

The second intervalve upper and lower end constitutes contraction flow region and expansion section respectively; Contraction flow region shrinks a little from second intervalve upper end, and its transverse shape is corresponding with the first intervalve transverse shape, is sleeved on outside first intervalve with flexible; The expansion section enlarges a little from the second intervalve lower end, is sleeved on down in the pipe with flexible.

Cross section, expansion section, the second intervalve lower end is rounded, is sleeved in the outer tube with flexible; Following pipe upper end constitutes contraction flow region; Under manage contraction flow region and shrink a little from following pipe top, its transverse shape is corresponding with the second intervalve transverse shape, and stretches and be sleeved on outside second intervalve.

The upward pipe top of middle rod also is provided with goes up pipe most; The size that goes up most pipe is less than last pipe size; The cross section of going up pipe most comprises four arc-shaped concave quadrants 3 to middle excellent vertical axis indent; 3 in adjacent two arc-shaped concave quadrants form ridge protuberance 5, then define the pod 6 of ccontaining bullet joint in the ridge protuberance 5; Go up most pipe and be provided with the outside grooving grooving of permission bullet joint projection.

Connect with an elasticity button device coupling between adjacent two pipes; Elasticity button device comprises the elasticity folder and places two button pearls at elasticity folder two ends; With the elastic force of elasticity folder two button pearls are shored and to be fastened in the corresponding hole of bead of adjacent two pipes, make two adjacent tubes be connect the location.

Connect with an elasticity button device coupling between adjacent two pipes; Elasticity button device is to make the elasticity folder that two ends constitute elastic hook; Elastic hook elasticity with elasticity folder two ends fastens in the corresponding dog hole of adjacent two pipes, makes adjacent tubes be connect the location.

The depression place of the inner and outer pipe of adjacent two pipes sets firmly arrester(-tor) corresponding and mutual buckle when parachute-opening respectively, separates to avoid adjacent two pipe escapes.

Since the utility model comprise middle rod, pivot be connected on the rod the umbrella frame assembly and be installed in umbrella cloth on the umbrella frame assembly; Middle rod is formed by the flexible fit of majority pipe; Last pipe size minimum, its section forms most arc-shaped concave quadrants; Have at least two adjacent concave surface quadrants to press from both sides the ridge protuberance that becomes to define pod; The bullet joint is placed in the pod, and is buckled in when parachute-opening on the following nest; Excellent most pipes increase the arc convex quadrant by the arc-shaped concave quadrant of last pipe by pipe in the formation, are anchor ring until the cross section of descending most pipe; The umbrella frame assembly comprises that mutual pivot is connected to parietal bone on the upper and lower nest, lower support rib, intermedium, connects bone, interior connection bone and coccyx outward.The majority pipe of the fit in regular turn of middle rod is flexible identical with arc convex or arc-shaped concave respectively, in opening, closing one's umbrella process, can avoid phenomenons such as each tubotorsion, vibration, shakiness to take place, not only can the weak point umbrella long, as to reduce umbrella volume, and manufacture difficulty is little, to open the operation circle of closing one's umbrella suitable, thereby reach the purpose of this utility model.

Fig. 1, be the utility model partial structurtes diagrammatic elevation view (deployed condition).

Fig. 2, be the local decomposition texture schematic isometric of amplifying of A portion among Fig. 1.

Fig. 3, be bar structure schematic isometric in the utility model.

Fig. 4, be B-B profile among Fig. 3.

Fig. 5, be C-C profile among Fig. 3.

Fig. 6, be D-D profile among Fig. 3.

Fig. 7, be E-E profile among Fig. 3.

Fig. 8, be F-F profile among Fig. 3.

Fig. 9, be G-G profile among Fig. 3.

Figure 10, be H-H profile among Fig. 3.

Figure 11, be I-I profile among Fig. 3.

Figure 12, be J-J profile among Fig. 3.

Figure 13, be K-K profile among Fig. 3.

Figure 14, be the utility model partial structurtes diagrammatic elevation view (umbrella closing state).

Figure 15, be excellent profile in the utility model umbrella closing state.

Figure 16, be bar structure diagrammatic elevation view (be provided with and go up pipe most) in the utility model.

Figure 17, be L-L profile among Figure 16.

Figure 18, be M-M profile among Figure 16.

Figure 19, be N-N profile among Figure 16.

Figure 20, be bar structure schematic sectional view (be provided with and go up pipe most) in the utility model.

Figure 21, be bar structure schematic isometric (be provided with and go up pipe most) in the utility model.

Figure 22, be shown in Figure 21 in excellent top phantom.

Figure 23, be excellent profile (be provided with and go up pipe most) in the utility model umbrella closing state.

Figure 24, for be provided with arrester(-tor) adjacent two the pipe partial sectional views.

Below in conjunction with accompanying drawing the utility model is further elaborated.

Consult Fig. 1～Figure 15, during rod 1, pivot were connected in during the utility model comprised rod on 1 umbrella frame assembly 2 and be installed in umbrella cloth on the umbrella frame assembly 2.

Middle rod 1 and umbrella frame assembly 2 are made as aluminium alloy, titanium alloy, reinforced plastic or the slim and graceful metal material of other quality with light material.

The joint (or broken number) of the utility model as being suitable for do not add restriction as the number system of umbrella frame broken number, middle excellent telescoping tube.Described " gradually layer prominent circle " be because of in rod 1 go up pipe 11 (or interior pipes) to descending most pipe 14 (or outermost tubes) to form the cylindrical circumference face gradually by managing.The section of these pipes is successively decreased by quadrant 3 numbers of " arc-shaped concave ", and quadrant 4 numbers of " arc convex " increase progressively, the periphery that descends most pipe 14 (or outermost tubes) (disc that is formed by four arc convex " 4 ") is formed grip circle along comfortable cylindrical surface, and the handle that descends pipe 14 (or outermost tubes) to hold near the user most, feel circle when making user's hand touch the round tube face along comfortable, and do not have the sensation of corner angle projection compressing shouting pain.

Middle rod 1 comprises pipe 11 (or interior pipes), first intervalve 12, second intervalve 13 and manages 14 down.Elasticity is held and is provided with bullet joint 15 (sp5ing catch) in the last pipe 11, first intervalve, 12 flexible being sleeved on outside the pipe 11, and when parachute-opening, be positioned at pipe 11 belows.Second intervalve, 13 flexible being sleeved on outside first intervalve 12, following pipe 14 (or outermost tubes) is flexible to be sleeved on outside second intervalve 13, and following pipe 14 is positioned at second intervalve, 13 belows when parachute-opening, and the connection handle grips for the user.

The last nest 20 of last pipe 11 (or interior pipes) upper end 111 affixed umbrella frame assemblies 2, its lower end diameter is expanded as the expansion section 112 of flexible fit first intervalve 12 a little.

As shown in Figure 4, manage 11 lower ends on and constitute expansion section 112.As shown in Figure 4, last pipe 11 cross sections comprise to three arc-shaped concave quadrants 3 of middle excellent 1 vertical axis, 100 indents and from an outwards outstanding arc convex quadrant 4 of middle excellent 1 vertical axis 100,3 in adjacent two arc-shaped concave quadrants form ridge protuberance 5, then define pod 6 in the ridge protuberance 5.Last pipe 11 is provided with grooving 113.When closing one's umbrella, bullet joint 15 is placed in pod 6 and goes up in the pipe 11.As shown in Figure 1, when parachute-opening, bullet joint 15 can be opened in grooving 113 projections of managing on 11 certainly outwards with the following nest 23 of padlock umbrella frame assembly 2.As shown in Figure 6, on manage expansion section, 11 lower end 112 and enlarge a little from last pipe 11 lower ends, its cross section comprises that two split the arc-shaped concave quadrant 3 of pipe 11 diameter both sides and split the arc convex quadrants 4 of managing 11 other direction diameter both sides.

First intervalve, 12 upper and lower ends constitute contraction flow region 121 and expansion section 122 respectively.As Fig. 6, shown in Figure 7,12 pipe transverse shapes are corresponding with last pipe 11 expansion sections 112 transverse shapes in the middle of first, and it comprises that two concave surface quadrants of excellent 1 vertical axis, 100 indents 3 reach from two the arc convex quadrants 4 of middle excellent 1 vertical axis 100 to diameter two side direction projections in first intervalve, 12 diameters, two side direction.As shown in Figure 5, the contraction flow region 121 of first intervalve, 12 upper ends shrinks a little from first intervalve, 12 upper ends, and its transverse shape is corresponding with last pipe 11 transverse shapes.As shown in Figure 9, expansion section, first intervalve, 12 lower end 122 enlarges a little from first intervalve, 12 lower ends, and its cross section comprises to an arc-shaped concave quadrant 3 of middle excellent 1 vertical axis, 100 indents and from three outwards outstanding arc convex quadrants 4 of middle excellent 1 vertical axis 100.As shown in Figure 6, first intervalve, 12 flexible sleeving to outside the expansion section 112 of managing 11 lower ends.

Second intervalve, 13 upper and lower ends constitute contraction flow region 131 and expansion section 132 respectively.As Fig. 9, shown in Figure 10, second intervalve, 13 transverse shapes are corresponding with first intervalve, 12 expansion sections, 122 transverse shapes, and it comprises to an arc-shaped concave quadrant 3 of middle excellent 1 vertical axis, 100 indents and from three outwards outstanding arc convex quadrants 4 of middle excellent 1 vertical axis 100.As shown in Figure 8, second intervalve, 13 upper end contraction flow regions 131 shrink a little from second intervalve, 13 upper ends, and its transverse shape is corresponding with first intervalve, 12 transverse shapes.As shown in figure 12, expansion section, second intervalve, 13 lower end 132 enlarges a little from second intervalve, 13 lower ends, and its cross section is rounded.As shown in Figure 9, second intervalve, 13 flexible sleeving to outside the expansion section 122 of first intervalve, 12 lower ends.

Under manage 14 (or outer tubes) upper ends and constitute contraction flow region 141.As shown in figure 13, it is corresponding with second intervalve, 13 expansion sections, 132 transverse shapes that following pipe 14 transverse shapes are, and it is served as reasons from four outwards outstanding circles that arc convex quadrant 4 surrounds of middle excellent 1 vertical axis 100.As shown in figure 11, the contraction flow region 141 of following pipe 14 upper ends shrinks a little from managing 14 upper ends down, and its transverse shape is corresponding with second intervalve, 13 transverse shapes, as shown in figure 12, and following pipe 14 flexible sleeving to outside the expansion section 132 of second intervalve, 13 lower ends.

As Fig. 1, Fig. 2, shown in Figure 14, umbrella frame assembly 2 comprise nest 20, parietal bone 21, lower support rib 22, down nest 23, intermedium 24, interior connection bone 25, connect bone 26, elasticity bone 27, coccyx 28 and connector 29 outward.Parietal bone 21 inner ends 211 connect with last nest 20 pivots on last pipe 11 tops.Lower support rib 22 inner ends 221 connect with following nest (or umbrella nest) 23 pivots that sleeve on the middle rod 1, and outermost end 222 pivots of lower support rib 22 are connected in the middle part of parietal bone 21.Intermedium 24 inner end pivots are connected in parietal bone 21 outermost end 212.In connect the outer end 223 that bone 25 inner ends 251 pivots connect lower support rib 22, interior connection bone 25 outer ends 252 pivots connect the inner end 242 of intermedium 24.Outer bone 26 inner ends 261 pivots that connect connect intermedium 24 outer ends 243, connect 263 of bone 26 outer ends outward and connect coccyx 28 with connector 29 pivots.Elasticity bone (or bar) 27 inner ends 271 pivots connect parietal bone 21 outer ends 213, and 272 pivots in elasticity bone 27 outer ends connect the outer inner end 262 that connects bones 26, and 273 of elasticity bone 27 middle parts sleeve in the set slip ring 244 in intermedium 24 stage casings.

Interior connection bone 25 is a thin-and-long connecting rod bar, vertically is provided with microscler reinforcement key 250 on it to connect the intensity of bone 25 in the reinforcement.This reinforcement key 250 can directly be stamped to form on interior connection bone 25.The interior bone 25 that connects is listed in parietal bone 21 belows.With the parallelogram connection-rod group that constitutes jointly by parietal bone 21, lower support rib 22, interior connection bone 25 and intermedium 24, make the utility model open up each umbrella frame of stretching or shrinking umbrella frame assembly 2 at the Shi Nengyuan that opens, closes one's umbrella suitablely.

As shown in figure 14, make the interior connection bone 25 of thin-and-long connecting rod bar, being convenient to submerge when closing one's umbrella is arranged with in the U-lag 220,210 on lower support rib 22 and parietal bone 21, thereby reduces the volume after the utility model closes one's umbrella greatly.

As shown in Figure 1 and Figure 2, connector 29 is the plastic cement connector, and the one end is a nipple 291, is a pair of lug 293 in the middle of it, and its other end is arranged with U-lag 295.Connector 29 connects with outer bone 26 outer ends 263 that are connected with its nipple 291, and fixing with pin (riveting) nail 292.Connector 29 connects with coccyx 28 pivots with the pin 294 that passes its middle lug 293 and coccyx 28 inner ends 281 pin-and-holes 282.Connector 29 holds with its U-lag 295 and supports coccyx 28.

As shown in figure 14, when closing one's umbrella, coccyx 28 upward deflects, near the outer bone 26 that connects, with the volume after reducing to close one's umbrella, meanwhile, the outside folder of umbrella cloth is closed at outer the connection between bone 26 and the coccyx 28, make the utility model after closing one's umbrella, it is neatly and not disorderly that its outward appearance keeps.Be to guarantee that coccyx 28 articulates the intensity of inner ends 281, the material as the inner end 281 of articulated section can steel, the iron equal strength is high of coccyx 28 is made.

Because the parietal bone 21 of the utility model umbrella frame assembly 2, lower support rib 22, intermedium 24, interior connection bone 25, to connect between bone 26, elasticity bone 27 and the coccyx 28 outward be to adopt connection rod set mode pivot to connect together, so do not have unstable defectives such as getting loose, rock, and intensity is good, particularly can be reliable and circle is operated suitablely, prolong service life of the present utility model.

Shown in Figure 16～23, of the present utility model in pipe 11 tops of going up of rod 1 also be provided with diameter or width and go up pipe 10 most less than its diameter.As shown in figure 17, the cross section of going up pipe 10 most comprises four arc-shaped concave quadrants 3 to middle excellent 1 vertical axis, 100 indents.3 in adjacent two arc-shaped concave quadrants form ridge protuberance 5, then define pod 6 in the ridge protuberance 5.Go up most pipe 10 and be provided with grooving 103.When closing one's umbrella, bullet joint 15 is placed in pod 6 and goes up most in the pipe 10.When parachute-opening, bullet joint 15 can be opened in grooving 103 projections of going up most on the pipe 10 certainly outwards with the following nest 23 of padlock umbrella frame assembly 2.Go up most the last nest 20 of the upper end 101 affixed umbrella frame assemblies 2 of pipe 10.Go up most pipe 10 with its lower end 102 flexible being sleeved in the pipe 11.When closing one's umbrella, go up most pipe 10, on manage 11, first intervalve 12 and second intervalve 13 all shrinks in the outer tube 14, and outer tube 14 peripheries circle is held usefulness well properly along attractive in appearance.

For preventing in the utility model that rod 1 adjacent two pipes separate or pull.As shown in figure 20, can between adjacent two pipes, connect with an elasticity button device 7 couplings.Elasticity button device 7 comprises elasticity folder 71 and places elasticity to press from both sides two button pearls 72 at 71 two ends.With the elastic force of elasticity folder 71 two button pearls 72 are shored and to be fastened in the corresponding hole of bead of adjacent two pipes, make two adjacent tubes be connect the location.As shown in figure 21, elasticity button device 7 also can be and makes the elasticity folder 73 that two ends constitute elastic hook 731.Elastic hook 731 elasticity of pressing from both sides 73 two ends with elasticity fasten in the corresponding dog hole of adjacent two pipes, make adjacent tubes be connect the location.

Also can be as shown in figure 24, set firmly corresponding arrester(-tor) 81,81 respectively in the depression place of the inner and outer pipe of adjacent two pipes.When inner and outer pipe that parachute-opening stretches adjacent, arrester(-tor) 81, the 82 mutual buckles on the adjacent inner and outer pipe are to avoid adjacent two pipe escapes separation.

Claims (11)

1, a kind of have gradually the prominent circle of layer telescopic in many foldings umbrella of rod, it comprise middle rod, pivot be connected on the rod the umbrella frame assembly and be installed in umbrella cloth on the umbrella frame assembly; Middle rod comprises pipe, first intervalve, second intervalve and manages down; Elasticity is held and is provided with the bullet joint in the last pipe, and first intervalve is flexible to be sleeved on outside the pipe, and is positioned at the pipe below when parachute-opening; Second intervalve is flexible to be sleeved on outside first intervalve, and following pipe is flexible to be sleeved on outside second intervalve, and following pipe is positioned at second intervalve below when parachute-opening, and the connection handle grips for the user; The umbrella frame assembly comprises parietal bone, lower support rib, intermedium, interior connection bone, connects bone, elasticity bone, coccyx and connector outward; Parietal bone and last nest pivot connect; Lower support rib connects with the following nest pivot that sleeves on the middle rod, the intermedium pivot connects parietal bone, the interior bone pivot that connects connects lower support rib and intermedium, the outer bone pivot that connects connects intermedium and connects coccyx with the connector pivot, elasticity bone pivot connects parietal bone and the outer bone that connects, it is characterized in that the described pipe cross section of going up comprises to three arc-shaped concave quadrants of middle excellent vertical axis indent and from a radially outward outstanding arc convex quadrant of middle excellent vertical axis, form the ridge protuberance between adjacent two arc-shaped concave quadrants, then define the pod of ccontaining bullet joint in the ridge protuberance; Last pipe is provided with and allows the outside grooving of bullet joint projection;

The first intervalve cross section comprises that two concave surface quadrants of excellent vertical axis indent in the first intervalve diameter, two side direction reach from two the arc convex quadrants of middle excellent vertical axis to diameter two side direction projections; First intervalve is flexible to sleeve to outside the pipe;

The second intervalve cross section comprises to an arc-shaped concave quadrant of middle excellent vertical axis indent and from three outwards outstanding arc convex quadrants of middle excellent vertical axis; Second intervalve is flexible to sleeve to outside first intervalve;

Managing the cross section down serves as reasons from four outwards outstanding cylindrical surface that the arc convex quadrant surrounds of middle excellent vertical axis; Following pipe is flexible to sleeve to outside second intervalve.

2, according to claim 1 have gradually the prominent circle of layer telescopic in many foldings umbrella of rod, the interior connection bone that it is characterized in that described umbrella frame assembly is a thin-and-long connecting rod bar, vertically is provided with microscler reinforcement key on it to connect the intensity of bone in the reinforcement; The interior bone that connects is listed in the parietal bone below, and makes the common parallelogram connection-rod group that constitutes of parietal bone, lower support rib, interior connection bone and intermedium; Lower support rib and parietal bone are provided with U-lag.

3, according to claim 1 and 2 have gradually the prominent circle of layer telescopic in many foldings umbrella of rod, it is characterized in that described colligator is the plastic cement colligator; Connector one end is a nipple, is a pair of lug in the middle of it, and its other end is arranged with U-lag; Connector with its nipple with outward to be connected the bone outer end affixed, and with pin and the coccyx pivot company of passing lug and coccyx inner end pin-and-hole in the middle of it; Connector holds with its U-lag and supports coccyx.

4, according to claim 1 and 2 have gradually the prominent circle of layer telescopic in many foldings umbrella of rod, it is characterized in that the described pipe lower end of going up constitutes the expansion section; Its cross section comprises two arc convex quadrants that split the arc-shaped concave quadrant of pipe diameter both sides and split pipe other direction diameter both sides; Last Guan Yiqi expansion section is flexible to be sleeved in first intervalve.

5, according to claim 1 and 2 have gradually the prominent circle of layer telescopic in many foldings umbrella of rod, it is characterized in that the described first intervalve upper and lower end constitutes contraction flow region and expansion section respectively; Contraction flow region shrinks a little from first intervalve upper end, and its transverse shape is corresponding with last pipe transverse shape, is sleeved on outside the pipe with flexible; The expansion section enlarges a little from the first intervalve lower end, and its transverse shape is corresponding with the transverse shape of second intervalve, is sleeved in second intervalve with flexible.

6, according to claim 1 and 2 have gradually the prominent circle of layer telescopic in many foldings umbrella of rod, it is characterized in that the described second intervalve upper and lower end constitutes contraction flow region and expansion section respectively; Contraction flow region shrinks a little from second intervalve upper end, and its transverse shape is corresponding with the first intervalve transverse shape, is sleeved on outside first intervalve with flexible; The expansion section enlarges a little from the second intervalve lower end, is sleeved on down in the pipe with flexible.

7, according to claim 6 have gradually the prominent circle of layer telescopic in many foldings umbrella of rod, it is characterized in that cross section, expansion section, the described second intervalve lower end is rounded, be sleeved in the outer tube with flexible; Following pipe upper end constitutes contraction flow region; Under manage contraction flow region and shrink a little from following pipe top, its transverse shape is corresponding with the second intervalve transverse shape, and stretches and be sleeved on outside second intervalve.

8, according to claim 1 and 2 have gradually the prominent circle of layer telescopic in many foldings umbrella of rod, it is characterized in that described in the pipe top of going up of rod also be provided with and go up pipe most; The size that goes up most pipe is less than last pipe size; The cross section of going up pipe most comprises four arc-shaped concave quadrants to middle excellent vertical axis indent; Form the ridge protuberance between adjacent two arc-shaped concave quadrants, then define the pod of ccontaining bullet joint in the ridge protuberance; Go up most pipe and be provided with the outside grooving grooving of permission bullet joint projection.

9, according to claim 1 and 2 have gradually the prominent circle of layer telescopic in many foldings umbrella of rod, it is characterized in that between described adjacent two pipes, connecting with an elasticity button device coupling; Elasticity button device comprises the elasticity folder and places two button pearls at elasticity folder two ends; With the elastic force of elasticity folder two button pearls are shored and to be fastened in the corresponding hole of bead of adjacent two pipes, make two adjacent tubes be connect the location.

10, according to claim 1 and 2 have gradually the prominent circle of layer telescopic in many foldings umbrella of rod, it is characterized in that between described adjacent two pipes, connecting with an elasticity button device coupling; Elasticity button device is to make the elasticity folder that two ends constitute elastic hook; Elastic hook elasticity with elasticity folder two ends fastens in the corresponding dog hole of adjacent two pipes, makes adjacent tubes be connect the location.

11, according to claim 1 and 2 have gradually the prominent circle of layer telescopic in many foldings umbrella of rod, it is characterized in that setting firmly respectively arrester(-tor) corresponding and mutual buckle during in parachute-opening, separate to avoid adjacent two pipe escapes at the depression place of the inner and outer pipe of described adjacent two pipes.

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