Summary of the invention
Based on this, primary order ground of the present invention is a kind of umbrella that can carry out automatic open-close completely opening receipts control for multi-fold umbrella of design, and this umbrella can solve the problem, and umbrella frame and middle rod is drawn in completely when closing one's umbrella.
Be to provide a kind of full-automatic opening and closing umbrella, the problem middle rod cannot drawn in that this full-automatic opening and closing umbrella avoids original automatic umbrella folding and unfolding structure to bring another order of the present invention, simplify the structure of automatic umbrella folding and unfolding simultaneously.
Find after deliberation, reach the order ground of automatic deployment, umbrella frame, middle rod is supported when parachute-opening, need provide a kind of strong to lifting force, therefore, existing structure arranges deployment spring exactly in middle rod, and deployment spring occupies all inner spaces of clavus pipe in more piece substantially, otherwise power cannot be provided support to clavus pipe in all, and this is also when causing closing one's umbrella, the active force of deployment spring is too powerful, cannot be eliminated by other parts, to such an extent as to reason excellent in cannot drawing in completely.If the use of deployment spring can be avoided to reach the effect of parachute-opening, then just can reach the effect of drawing umbrella frame and middle rod completely in.
Therefore, the present invention is achieved in that a kind of full-automatic opening and closing umbrella, it comprises umbrella frame, middle rod, umbrella head, upper nest and lower nest, middle rod has at least two joints and is nested in pipe joint together, in this, a umbrella head is established in excellent bottom, sets firmly nest on middle excellent top, and lower nest is slidedly arranged on middle rod, upper nest and the distribution of lower nest connect umbrella frame, it is characterized in that:
One rolling device, this rolling device is connected with a parachute-opening line, with the income parachute-opening line when parachute-opening, releases parachute-opening line when closing one's umbrella;
One parachute-opening line, its one end is connected to rolling device, and the other end is at least connected to middle rod second pipe joint from bottom to top;
Nest line once, its one end is connected to lower nest, and the other end is set around nest or middle rod from the top down after the first pipe joint, at least connects or through middle rod second pipe joint from the top down;
And one closes one's umbrella part, the part that closes one's umbrella be arranged at middle rod, umbrella frame, umbrella head any one or several on, to carry out when closing one's umbrella the operation that closes one's umbrella.
By above-mentioned structure, parachute-opening is by parachute-opening line pulls the pipe joint of middle rod, lower nest line pulls lower nest or middle rod pipe joint, reach the state of parachute-opening, when closing one's umbrella, then by freeing the rolling device controlling parachute-opening line, make the reverse unwrapping wire of rolling device, now utilize the interlock of close one's umbrella part and lower nest line comprehensively to draw in pull middle rod or lower nest, and reach complete umbrella closing state.
Meanwhile, rely on merely bracing wire, the rolling device be located in umbrella and the part that closes one's umbrella to carry out opening closing one's umbrella, also greatly simplify the structure of umbrella, be convenient to processing and fabricating.
In above-mentioned description, connect, do not represent and must fix, but mean and can produce effect, it can be binding, hitch, overlap joint, snap fit, any one or the combinations several arbitrarily of mode such as to fix.
Described parachute-opening line and lower nest line can be connected together, and form an overall continuous print guy structure.
Described full-automatic opening and closing umbrella, it can also establish a boost line, and this boost line one end is connected to from the top down on first pipe joint, and after being set around the second pipe joint, the other end is connected to three-joint pipe.
Described boost line, it at least has one, in order to open receipts action in coordinating and controlling between clavus pipe, described boost line, one end be connected to its pass the upper pipe joint of pipe joint, after lying in its pipe joint passed, one end be connected to its pass next pipe joint of pipe joint.
And boost line can extend, be connected with parachute-opening line or lower nest line, to reach linkage.
Described parachute-opening line, its one end is connected on rolling device, and the other end is then upwards drawn, and tying-up is in the bottom of middle rod second pipe joint from bottom to top.
Described lower nest line, the top of lower nest is fixed in its one end, and the other end is set around nest or middle rod from the top down after the first pipe joint, is connected to middle rod second pipe joint from the top down.
The described part that closes one's umbrella, it is the elastic parts that closes one's umbrella, and the elastic parts that closes one's umbrella is the component can with elastic stretching or contraction, is arranged on middle rod or umbrella frame, or the elastic parts that closes one's umbrella is directly elastic umbrella rib, and being convenient to draw is close one's umbrella.In specific elastic umbrella rib structure, such as lotus flower umbrella frame, also can adopt umbrella frame as the part that closes one's umbrella.
The described elastic parts that closes one's umbrella, it is the umbrella colsing spring be located on umbrella frame, close one's umbrella extension spring, or be arranged at extension spring in middle rod, elasticity winch, elastomer cloth any one.
Described full-automatic opening and closing umbrella, wherein in rod, auxiliary extension spring is provided with from bottom to top in second pipe joint, the top of this second pipe joint is fixed in auxiliary extension spring one end, one end is fixed on from bottom to top on first pipe joint or umbrella head, and during parachute-opening, auxiliary extension spring is opened, when closing one's umbrella, closed one's umbrella by the convergent force of auxiliary extension spring.
Described rolling device, it can be motor, elasticity winch, or similarly Double-directional rotary and tool can control the device of unidirectional pressure turning effort, is convenient to control and realize to open the retractable cable closed one's umbrella and controls.Reasonable mode is by rolling device or is arranged in umbrella head, or is arranged at above umbrella head, or is arranged at the extension (can extend above or below umbrella head) of umbrella head, or be arranged at be fixed together with umbrella head in clavus pipe.
In a kind of embodiment of complexity, rolling device can be arranged in the middle rod of umbrella, or is arranged at the top of umbrella, as above in nest or above upper nest.
In umbrella head, the design of button and control mode, in existing umbrella header structure, have various ways to realize, therefore repeat no more.
During the present invention adopts, rod is without the design of deployment spring, in conjunction with the cooperation of bracing wire, rolling device and the part that closes one's umbrella, is linked by umbrella and open during parachute-opening, when closing one's umbrella, umbrella interlock is drawn in, control simple and easy, be convenient to realize, and avoid the restriction of existing middle excellent deployment spring, what can control umbrella opens receipts completely.
Detailed description of the invention
Below, by reference to the accompanying drawings, specific embodiment of the invention is elaborated.
Shown in Fig. 1-Fig. 3, for the first embodiment of the present invention, in this embodiment, adopt based on triple folding umbrella, therefore the structure of umbrella comprises: umbrella frame 10, upper nest 11, lower nest 15, outer tube 12, middle pipe 13, interior pipe 14, rolling device 16 and umbrella head 17, wherein: umbrella frame 10 is established umbrella colsing spring 101; There is plug 111 in upper nest, the upper nest pulley 112 of installing in plug 111 in upper nest in upper nest 11, in order to around being lower nest line 181.
Middle rod has three pipe joints: outer tube 12, middle pipe 13, interior pipe 14, and the top of middle pipe 13 is provided with plug 131 in middle pipe, arranges middle pipe pulley 132 in middle pipe in plug 131; The top of interior pipe 14 is also provided with plug 141 in interior pipe, is provided with interior pipe pulley 142 in interior pipe in plug 141.
Installing rolling device 16 in umbrella head 17, rolling device 16 adopts motor usually, is triggered by the button be located on umbrella head 17.
One parachute-opening line 18, parachute-opening line 18 one end tying-up is on rolling device 16, and the other end is upwards drawn, and walks around the interior pipe pulley 142 in plug 141 in interior pipe, lays out interior pipe 14, be fixed on the bottom of middle pipe 13 downwards;
Nest line 181 once, lower nest 15 top is fixed in its one end, upwards draws, and through upper nest pulley 112, is through in outer tube 12, and the other end is fixed in middle pipe to be filled on 131.Meanwhile, also have a boost line 182, this boost line 182 one end is fixed in interior pipe on plug 141, and upwards draw, walk around middle pipe pulley 132, lay out middle pipe 13 and draw downwards, the other end is fixed on the bottom of outer tube 12.
Thus, during parachute-opening, rolling device 16 scrolling parachute-opening line 18 closes in rolling device, and parachute-opening line 18 is rolled up in rolling device 16, and 18, parachute-opening line pulls middle pipe 13 to move upward; Middle pipe 13 moves upward, and under the effect of boost line 182, drives outer tube 12 also to move upward, and equally, moving upward of outer tube 12 also drives lower nest 15 to move upward by lower nest line 181, reaches deployed condition.
When closing one's umbrella, rolling device 16 releases parachute-opening line 18, without the pulling force of parachute-opening line 18 centering pipe 13, middle pipe 13 also can be disappeared by the effect of boost line 182 pairs of outer tubes 12, outer tube 12 also can be disappeared to the effect of lower nest by lower nest line 181, now, under the effect of umbrella colsing spring 101, umbrella frame 10 draws in, in umbrella frame 10 gathering process, drives lower nest 15 to move down, 15, lower nest drives outer tube 12 to bottom offset by lower nest line 181, meanwhile, during outer tube 12 is driven by boost line 182, pipe 13 moves down, thus reaches umbrella closing state.
And structure thus, without the deployment spring in existing automatic umbrella, in umbrella-folding process, each pipe joint of middle rod does not have support force upwards, under the effect of umbrella colsing spring, can draw in, and can reach the state of drawing in completely.
For the ease of closing one's umbrella, auxiliary rogger-roll device can be increased in middle rod, such as mode shown in Fig. 4-Fig. 6, then, on the basis of mode shown in Fig. 1, in middle rod, increase extension spring 29, be increased the quick and convenience closed one's umbrella by extension spring 29.Specifically, the pack which is formed is drawn together: umbrella frame 20 is established umbrella colsing spring 201; There is plug 211 in upper nest, the upper nest pulley 212 of installing in plug 211 in upper nest in upper nest 21, in order to around being lower nest line 281.
Middle rod has three pipe joints: outer tube 22, middle pipe 23, interior pipe 24, and the top of middle pipe 23 is provided with plug 231 in middle pipe, arranges middle pipe pulley 232 in middle pipe in plug 231; The top of interior pipe 24 is also provided with plug 241 in interior pipe, is provided with interior pipe pulley 242 in interior pipe in plug 241; Be provided with extension spring 29 in middle pipe 23, extension spring 29 upper end is fixed in middle pipe bottom plug 231, and extension spring 29 lower end is then fixed on the top of plug 241 in interior pipe.
Installing rolling device 26 in umbrella head 27, rolling device 26 adopts motor, is triggered by the button be located on umbrella head 27.
One parachute-opening line 28, parachute-opening line 28 one end tying-up is on rolling device 26, and the other end is upwards drawn, and walks around the interior pipe pulley 242 in plug 241 in interior pipe, lays out interior pipe 24, be fixed on the bottom of middle pipe 23 downwards.
Nest line 281 once, lower nest 25 top is fixed in its one end, upwards draws, and through upper nest pulley 212, is through in outer tube 22, and the other end is fixed in middle pipe to be filled on 231; One boost line 282, this boost line 282 one end is fixed in interior pipe on plug 241, and upwards draw, walk around middle pipe pulley 232, lay out middle pipe 23 and draw downwards, the other end is fixed on the bottom of outer tube 22.
During parachute-opening, rolling device 26 scrolling parachute-opening line 28 closes in rolling device, and parachute-opening line 28 is rolled up in rolling device 26, and 28, parachute-opening line pulls middle pipe 23 to move upward, and the pulling force of parachute-opening line 28 overcomes the resistance of extension spring 29, pulls open extension spring 29; Middle pipe 23 moves upward, and under the effect of boost line 282, drives outer tube 22 also to move upward, and equally, moving upward of outer tube 22 also drives lower nest 25 to move upward by lower nest line 281, reaches deployed condition.
When closing one's umbrella, rolling device 26 releases parachute-opening line 28, without the pulling force of parachute-opening line 28 centering pipe 23, middle pipe 23 also can be disappeared by the effect of boost line 282 pairs of outer tubes 22, outer tube 22 also can be disappeared to the effect of lower nest by lower nest line 281, now, under the effect of umbrella colsing spring 201, umbrella frame 20 draws in, in umbrella frame 20 gathering process, lower nest 25 is driven to move down, 25, lower nest drives outer tube 22 to bottom offset by lower nest line 281, simultaneously, extension spring 29 can be shunk due to the convergent force of self, during extension spring 29 can drive, pipe 23 moves down, during outer tube 22 is also driven by boost line 282, pipe 23 moves down, be more convenient for carrying out the gathering of middle rod, thus reach umbrella closing state.
The Main Function of umbrella colsing spring 201 makes lower nest 25 occur to bottom offset, extension spring 29 is rod in auxiliary gathering in, and make lower nest produce displacement by the interaction relation of boost line 282, lower nest line 281, but make lower nest be not limited to above-mentioned mode to rod in bottom offset and gathering, produce the mode that lower nest is subjected to displacement, can also be arrange between upper nest and lower nest spring promote under nest displacement, extension spring is set between nest and outer tube pulls lower nest displacement down, or the downforce that umbrella frame produces, the downforce that such as lotus flower umbrella frame produces; Extension spring can be arranged in middle rod, also can be arranged at outside middle rod, and equally, extension spring also can adopt the similar component such as spring leaf, elastomer cloth to substitute.
Mode shown in Fig. 1 and Fig. 4 not only can be applicable to triple folding umbrella, equally also can be applied to double-fold umbrella, four fold umbrella, and even on five folding umbrellas, Fig. 7-Fig. 9 is then described for four fold umbrella.
Shown in Fig. 7-Fig. 9, it is the third embodiment of the present invention.Shown in figure, enforcement of the present invention comprises: umbrella frame 30 is established umbrella colsing spring 301; There is plug 311 in upper nest, the upper nest pulley 312 of installing in plug 311 in upper nest in upper nest 31, in order to around being lower nest line 381.
Middle rod has four pipe joints: outer tube 32, middle pipe 1, middle pipe 2 331, interior pipe 34, and the top of middle pipe 1 is provided with plug 332 in middle pipe one, arranges middle pipe one pulley 333 in middle pipe one in plug 332; The top of middle pipe 2 331 is provided with plug 3311 in middle pipe two, is provided with middle pipe two pulley 3312 in middle pipe two in plug 3311, and the top of interior pipe 34 is also provided with plug 341 in interior pipe, is provided with interior pipe pulley 342 in interior pipe in plug 341; And being provided with extension spring 39 in middle pipe 2 331, extension spring 39 upper end is fixed in middle pipe two bottom plug 3311, and extension spring 39 lower end is then fixed on the top of plug 341 in interior pipe; Installing rolling device 36 in umbrella head 37, rolling device 36 adopts motor, is triggered by the button be located on umbrella head 37.
One parachute-opening line 38, parachute-opening line 38 one end tying-up is on rolling device 36, and the other end is upwards drawn, and walks around the interior pipe pulley 342 in plug 341 in interior pipe, lays out interior pipe 34, be fixed on the bottom of middle pipe 2 331 downwards.
Nest line 381 once, lower nest 35 top is fixed in its one end, upwards draws, and through upper nest pulley 312, is through in outer tube 32, and the other end is fixed in middle pipe one to be filled on 332; One boost line 1, this boost line 1 one end is fixed in interior pipe on plug 341, and upwards draw, walk around middle pipe two pulley 3312, lay out middle pipe 2 331 and draw downwards, the other end is fixed on the bottom of middle pipe 1; One boost line 2 382, this boost line 2 382 one end is fixed in middle pipe two on plug 3311, and upwards draw, walk around middle pipe one pulley 333, lay out middle pipe 1, the other end is fixed on the bottom of outer tube 32.
During parachute-opening, rolling device 36 scrolling parachute-opening line 38 closes in rolling device 36, and parachute-opening line 38 is rolled up in rolling device 36, and 38, parachute-opening line pulls middle pipe 2 331 to move upward, and the pulling force of parachute-opening line 38 overcomes the resistance of extension spring 39 simultaneously, pulls open extension spring 39; Middle pipe 2 331 moves upward, under the effect of boost line 1, and pipe 1 in drive, move upward, middle pipe 1 drives outer tube 32 also to move upward by boost line 2 382, equally, moving upward of outer tube 32 also drives lower nest 35 to move upward by lower nest line 381, reaches deployed condition.
When closing one's umbrella, rolling device 36 releases parachute-opening line 38, without the pulling force of parachute-opening line 38 centering pipe 2 331, middle pipe 2 331 can be disappeared by the effect of boost line 1 centering pipe 1, middle pipe 1 also can be disappeared by the effect of boost line 2 382 pairs of outer tubes 32, outer tube 32 also can be disappeared to the effect of lower nest by lower nest line 381, now, under the effect of umbrella colsing spring 301, umbrella frame 30 draws in, in umbrella frame 30 gathering process, lower nest 35 is driven to move down, 35, lower nest drives outer tube 32 to bottom offset by lower nest line 381, during outer tube 32 is driven by boost line 2 382, pipe 1 moves down, simultaneously, extension spring 39 can be shunk due to the convergent force of self, during extension spring 39 can drive, pipe 2 331 moves down, be more convenient for carrying out the gathering of middle rod like this, thus reach umbrella closing state.
Extension spring 39 also can be arranged between middle pipe 1 and middle pipe 2 331.
In like manner, above-mentioned several structure of triple folding umbrella, can be applied in five folding umbrellas by the mode increasing boost line.
Shown in Figure 10-Figure 12, be the present invention's the 4th kind of embodiment, in this embodiment, the mode that closes one's umbrella changes compared with aforesaid embodiment, no longer adopts spring structure to close one's umbrella, but adopts rolling device to close one's umbrella.Present embodiment comprises: umbrella frame 40, and its one end is connected on nest 41, and the other end is connected on lower nest 45; There is plug 411 in upper nest, the upper nest pulley 412 of installing in plug 411 in upper nest in upper nest 41, in order to around being lower nest line 481.
Middle rod has three pipe joints: outer tube 42, middle pipe 43, interior pipe 44, and the top of middle pipe 43 is provided with plug 431 in middle pipe, arranges middle pipe pulley 432 in middle pipe in plug 431; The top of interior pipe 44 is also provided with plug 441 in interior pipe, is provided with interior pipe pulley 442 in interior pipe in plug 441.
Installing two rolling devices in umbrella head 47, rolling device 1 adopts motor, is triggered, be involved in parachute-opening line 48 when parachute-opening by the button be located on umbrella head 47, controls parachute-opening; Rolling device 2 461 also adopts motor, is triggered by the button be located on umbrella head 47, releases the line 462 that closes one's umbrella, being involved in the line 462 that closes one's umbrella, pulling lower nest 45 to carry out closing one's umbrella action when closing one's umbrella during parachute-opening.
One parachute-opening line 48, parachute-opening line 48 one end tying-up is on rolling device 1, and the other end is upwards drawn, and walks around the interior pipe pulley 442 in plug 441 in interior pipe, lays out interior pipe 44, be fixed on the bottom of middle pipe 43 downwards.
Nest line 481 once, lower nest 45 top is fixed in its one end, upwards draws, and through upper nest pulley 412, is through in outer tube 42, and the other end is fixed in middle pipe to be filled on 431.
One closes one's umbrella line 462, and its one end is fixed on rolling device 2 461, the other end directly therefrom excellent extenal fixation in the bottom of lower nest 45.Meanwhile, also have a boost line 482, this boost line 482 one end is fixed in interior pipe on plug 441, and upwards draw, walk around middle pipe pulley 432, lay out middle pipe 43 and draw downwards, the other end is fixed on the bottom of outer tube 42.
Thus, during parachute-opening, start rolling device 1 scrolling parachute-opening line 48 and close in rolling device 1, rolling device 2 461 releases the line 462 that closes one's umbrella; Parachute-opening line 48 is rolled up in rolling device 1, and 48, parachute-opening line pulls middle pipe 43 to move upward; Middle pipe 43 moves upward, and under the effect of boost line 482, drives outer tube 42 also to move upward, and equally, moving upward of outer tube 42 also drives lower nest 45 to move upward by lower nest line 481, reaches deployed condition.
When closing one's umbrella, start rolling device 2 461, rolling device 2 461 is involved in the line 462 that closes one's umbrella, lower nest 45 is pulled to move down, 45, lower nest pulls outer tube 42 to move down by lower nest line 481, and outer tube 42 pulls middle pipe to move down, until reach umbrella closing state completely by boost line 482 again.
Like this, by two independently rolling device can complete the action of automatic umbrella folding and unfolding.Wherein rolling device two can carry out the action of above-mentioned nest of leaving behind, and also can carry out the action of drawing outer tube, middle pipe, and be no matter the nest or draw middle rod of leaving behind, its effect is all the same.
Above-mentioned several modes, all that parachute-opening line, lower nest line and boost line are independently set, in fact, parachute-opening line, lower nest line and boost line can combine, in other words parachute-opening line, lower nest line and boost line can link together, become as a whole guy structure, together with also lower nest line can being incorporated into boost line, or together with boost line being incorporated into parachute-opening line.
Shown in Figure 13-Figure 15, a kind of embodiment exactly parachute-opening line and boost line are connected together, shown in figure, the structure that the present invention implements comprises: umbrella frame 50 is established umbrella colsing spring 501; There is plug 511 in upper nest, the upper nest pulley 512 of installing in plug 511 in upper nest in upper nest 51, in order to around being lower nest line 581.
Middle rod has three pipe joints: outer tube 52, middle pipe 53, interior pipe 54, and the top of middle pipe 53 is provided with plug 531 in middle pipe, arranges middle pipe pulley 532 in middle pipe in plug 531; The top of interior pipe 54 is also provided with plug 541 in interior pipe, is provided with interior pipe pulley 542 in interior pipe in plug 541.
Installing rolling device 56 in umbrella head 57, rolling device 56 adopts motor, is triggered by the button be located on umbrella head 57.
One parachute-opening line 58, parachute-opening line 58 one end tying-up is on rolling device 56, and the other end is upwards drawn, and walks around the interior pipe pulley 542 in plug 541 in interior pipe, lays out interior pipe 54, be fixed on the bottom of middle pipe 53 downwards.
Nest line 581 once, lower nest 55 top is fixed in its one end, upwards draws, and through upper nest pulley 512, is through in outer tube 52, and the other end is fixed in middle pipe to be filled on 531; One boost line 582, this boost line 582 one end is fixed in middle pipe on plug 531, then passes outer tube lower sheave 521 and upwards draw, then penetrates plug 531 in middle pipe, and walk around middle pipe pulley 532, draw downwards, the other end is fixed on parachute-opening line 58.
On parachute-opening line 58, parachute-opening line 58 is opened when closing one's umbrella and is moved simultaneously together with being incorporated into boost line 582 binding.
During parachute-opening, rolling device 56 scrolling parachute-opening line 58 closes in rolling device 56, and parachute-opening line 58 is rolled up in rolling device 56, and 58, parachute-opening line pulls middle pipe 53 to move upward; Meanwhile, boost line 582 is also pulled down, under the effect of boost line 582, drives outer tube 52 also to move upward, and moving upward of outer tube 52 also drives lower nest 55 to move upward by lower nest line 581, reaches deployed condition.
When closing one's umbrella, rolling device 56 releases parachute-opening line 58, also boost line 582 is relaxed, without the pulling force of parachute-opening line 58 centering pipe 53, the effect of boost line 582 pairs of outer tubes 52 also can disappear, outer tube 52 also can be disappeared to the effect of lower nest by lower nest line 581, now, under the effect of umbrella colsing spring 501, umbrella frame 50 draws in, in umbrella frame 50 gathering process, drive lower nest 55 to move down, 55, lower nest drives outer tube 52 to bottom offset by lower nest line 581, simultaneously, during outer tube 52 is driven by boost line 582, pipe 53 moves down, thus reaches umbrella closing state.
Figure 16-Figure 18 is then incorporated into an embodiment together for lower nest line, boost line, parachute-opening line, and shown in figure, enforcement of the present invention comprises: umbrella frame 60 is established umbrella colsing spring 601; There is plug 611 in upper nest, the upper nest pulley 612 of installing in plug 611 in upper nest in upper nest 61, in order to around being lower nest line 681.
Middle rod has three pipe joints: outer tube 62, middle pipe 63, interior pipe 64, and outer tube 62 bottom is provided with outer tube pulley 621; The top of middle pipe 63 is provided with plug 631 in middle pipe, and arrange middle pipe pulley 632 in plug 631 in middle pipe, middle pipe 63 bottom is provided with middle pipe lower sheave 633; The top of interior pipe 64 is also provided with plug 641 in interior pipe, is provided with interior pipe pulley 642 in interior pipe in plug 641.
Installing rolling device 66 in umbrella head 67, rolling device 66 adopts motor, is triggered by the button be located on umbrella head 67.
One parachute-opening line 68, parachute-opening line 68 one end tying-up is on rolling device 66, and the other end is upwards drawn, and walks around the interior pipe pulley 642 in plug 641 in interior pipe, lays out interior pipe 64, then draw downwards, together with being bound to boost line 682 in the position of middle pipe lower sheave 633.
Nest line 681 once, lower nest 65 top is fixed in its one end, upwards draws, and through upper nest pulley 612, then walks around outer tube pulley 621 downwards, is through in outer tube 12, and binds in outer tube pulley 621 position and boost line 682; One boost line 682, this boost line 682 one end is bundled on lower nest line 681, upwards draws in outer tube 62, walks around middle pipe pulley 632, lays out middle pipe 63 and draws downwards, together with the other end to be bound in middle pipe lower sheave 633 position with parachute-opening line 68.
The position that lower nest line and boost line, parachute-opening toe-in close can arbitrarily adjust, but three can be structured to an organic whole guy structure.
Be provided with extension spring 69 between plug 631 and the interior plug 641 of interior pipe in middle pipe, extension spring 69 one end is fixed in middle pipe on plug 631, and the other end is fixed in interior pipe to be filled on 641, is formed to drawing of the two to be.
Thus, during parachute-opening, rolling device 66 scrolling parachute-opening line 68 closes in rolling device, and parachute-opening line 68 is rolled up in rolling device 66, and 68, parachute-opening line pulls middle pipe 63 to move upward by middle pipe lower sheave 633, and pulls open extension spring 69; Meanwhile, parachute-opening line 68 also pulls boost line 682 to move, under the effect of boost line 682, drive outer tube 62 also to move upward by outer tube pulley 621, equally, boost line 682 also pulls lower nest line 681 to move, under lower nest line 681 acts on, pull lower nest 65 to move upward, reach deployed condition.
When closing one's umbrella, rolling device 66 releases parachute-opening line 68, the pulling force of parachute-opening line 68 centering pipe 63 and boost line 682 disappears, the effect of boost line 682 pairs of outer tubes 62 also can disappear, the effect of lower nest line 681 to lower nest 65 also can disappear, now, under the effect of umbrella colsing spring 601, umbrella frame 60 draws in, in umbrella frame 60 gathering process, lower nest 65 is driven to move down, 65, lower nest drives outer tube 62 to bottom offset by lower nest line 681, simultaneously, in the convergent force drive of extension spring 69, pipe 63 moves downward, boost line 682 also can produce the active force pulling outer tube 62 to move down, thus reach umbrella closing state more quickly.
In the above embodiments describe, major part adopts triple folding umbrella to be example, this is because triple folding umbrella is prevailing multi-fold umbrella, and triple folding umbrella structure has typical representativeness, the present invention is not limited to triple folding umbrella, according to the structure of triple folding umbrella, content of the present invention still can be applicable in the multi-fold umbrellas such as double-fold umbrella, four fold umbrella, five folding umbrellas.
Therefore, as described above, what be only the present invention enumerates embodiment, when can not limit the scope of the invention process with this.Namely the equalization generally done according to the present patent application the scope of the claims changes and modifies, and all should be still covered by the present invention within the scope of the patent.