CN202588587U

CN202588587U - Automatic umbrella opening and closing structure

Info

Publication number: CN202588587U
Application number: CN 201220219063
Authority: CN
Inventors: 罗军民
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-16
Filing date: 2012-05-16
Publication date: 2012-12-12
Anticipated expiration: 2022-05-16

Abstract

The utility model discloses an automatic umbrella opening and closing structure, comprising an umbrella handle, an inner umbrella stick and an umbrella nest, wherein the inner umbrella stick comprises an outer sleeve rod, a middle rod and an inner column rod; the middle rod is sleeved on the inner column rod; the outer sleeve rod is sleeved on the middle rod; the umbrella nest comprises an upper umbrella nest and a lower umbrella nest; the upper umbrella nest is fixedly arranged on the outer sleeve rod; the lower umbrella nest is sleeved on the outer sleeve rod; the upper umbrella nest is provided with a slot which is internally provided with a fixed pulley; the middle rod is provided with an inner plug and an inner tube; the inner plug is provided with a through groove which is internally provided with a second fixed pulley; the inner umbrella stick is internally provided with an umbrella opening spring; one end of the umbrella opening spring pushes against the inner plug, and the other end of the umbrella opening spring pushes against an inner side washier of the inner column rod; the outer sleeve is provided with a tongue which is embedded with a tappet; the fixed pulley is wound with an umbrella surface rib pull wire; one end of the umbrella surface rib pull wire is connected with the lower umbrella nest, while the other end of the umbrella surface rib pull wire is connected with the inner plug; the second fixed pulley is wound with an outer sleeve rod pull wire; and one end of the outer sleeve rod pull wire is connected with a bullet chuck, while the other end of the outer sleeve rod pull wire is connected with one end of the tappet, corresponding to the umbrella handle.

Description

Automatic umbrella folding and unfolding structure

Technical field

The utility model relates to automatic umbrella, is meant the full-automatic receipts parachute-opening structure after a kind of improvement especially.

Background technology

Along with progress of science and technology, people's living standard is also improving constantly, and people are also constantly looking for novelty to the pattern of umbrella, the pursuit of function, thereby some umbrellas multi-functional, novel type also constantly are devised.Occurred the unique umbrella of a kind of ten minutes now like Japan, radio is housed on the umbrella handle, umbrella one struts, and just can hear elegant music, and this umbrella not only can be keeped out wind and rain to people, increases enjoyment can also for people's life.From oiled paper umbrella nylon umbrella till now before, from the wooden umbrella frame of bamboo steel-wire carcass umbrella till now before, more till now mostly with shrinking bone (telescopic umbrella).Proverb is said right " full band solid food, fine band umbrella ", and parachute kit carries lightly in order to make, convenience, and various folding retractable umbrellas arise at the historic moment, and the parachute kit that can open receipts is automatically wherein arranged especially.

To shown in Figure 3, for a kind of structure of more common automatic umbrella folding and unfolding and roughly make flowing mode, shown in the figure is a kind of triple folding umbrella like Fig. 1; It comprises rod (20) and umbrella nest (30) in umbrella handle (10), the umbrella, and wherein, said umbrella handle (10) has the slotting chamber (11) of rod (20) in the grafting umbrella; Be provided with in the said slotting chamber (11) one be used for the said umbrella of cutting ferrule rod (20) control loop (12), the radial position that said umbrella handle (10) is gone up corresponding said slotting chamber (11) offers keyhole, the external annulus of the corresponding said keyhole of said control loop (12) convexes with one and presses key (121); The said key (121) of pressing is arranged in the said keyhole, and said control loop (12) is gone up and is provided with tappet (122) with the said corresponding internal ring wall of key (121) of pressing is set, and said tappet (122) passes through a pivot knuckles on the internal ring wall of said control loop (12); And be provided with a torque spring (123) between the internal ring wall of said tappet (122) and said control loop (12), the normality state that said tappet (122) maintenance flushes with the anchor ring of said control loop (12), a side relative with said tappet (122) on the internal ring wall of said control loop (12) is provided with grab (124); Be provided with elastic module (125) with the said opposing side of key (121) of pressing on the external annulus of said control loop (12); Said elastic module (125) supports on the chamber wall in said control loop (12) and said slotting chamber (11), and rod (20) is an expansion link in the said umbrella, and it comprises outer loop bar (21), intermediate bar (22) and interior mast (23); Mast (23) one ends are fixedly plugged in the slotting chamber (11) of said umbrella handle (10) in said; Said intermediate bar (22) slidably is set on the said interior mast (23), and said outer loop bar (21) slidably is set on the said intermediate bar (22), and said umbrella nest (30) comprises upper umbrella nest (31) and lower umbrella nest (32); Said upper umbrella nest (31) is fixedly installed on said outer loop bar (21) and goes up and the relative other end of said umbrella handle (10); Said lower umbrella nest (32) slidably is set on the said outer loop bar (21), and the partial fixing that is plugged on the said upper umbrella nest (31) in the said outer loop bar (21) is connected with interior pipe (24), offers one on the said upper umbrella nest (31) and is communicated with extraneous and said interior slotted eye (311) of managing (24); Be pivoted with fixed block (312) in the said slotted eye (311); Said fixed block (312) is gone up around having striden stay cord (40), is pivoted with movable pulley (321) on the said lower umbrella nest (32), around the said stay cord of striding said fixed block (312) (40) one ends around striding said movable pulley (321); Its termination is fixedly connected on the said upper umbrella nest (31); The other end of said stay cord (40) passes said interior pipe (24) and connects a bullet dop (50), is provided with a deployment spring (60) in the said interior mast (23), and an end of said deployment spring (60) is set in said interior the pipe on (24); And support on said upper umbrella nest (31); The other end of said deployment spring (60) supports on the inboard back-up ring of mast in said (23), said in mast (23) go up corresponding said tappet (122) and offer bayonet socket (231), said bayonet socket (231) can receive establish with said intermediate bar (22) in; The position of corresponding said bayonet socket (231) is provided with jump ring (232) on the madial wall of said interior mast (23), and said outer loop bar (21) is gone up corresponding said grab (124) and offered hole clipping (211).

Above-mentioned this automatic umbrella folding and unfolding is in the specific implementation: when parachute kit is in folding state; Rod (20) shrinks in the said umbrella; Hole clipping (211) on the said outer loop bar (21) is fastened on the said grab (124); Bayonet socket (231) in said on the mast (23) is received and is located in the said intermediate bar (22); Said deployment spring (60) is compressed; Said bullet dop (50) is managed in said and is come downwards to the position of offering bayonet socket (231) in said in the mast (23) under the pushing and pressing effect of (24); Snapped in the said bayonet socket (231) by what said jump ring (232) radially supported, because when rod (20) shrinks in the said umbrella, the end that said stay cord (40) is positioned between said fixed block (312) and the said bullet dop (50) is short status; Be positioned between said fixed block (312) and the said movable pulley (321) and be long status, said lower umbrella nest (32) loses return spring effect lower slider to the end near said umbrella handle (10) that stretches tight and be pulled in umbrella frame of the stay cord (40) between said fixed block (312) and the said movable pulley (321); When said user presses said when pressing key (121); Said control loop (12) is done the radial motion of the said elastic module of compression (125); Said tappet (122) is supporting under the effect of said torque spring (123) on said intermediate bar (22); Said grab (124) breaks away from said hole clipping (211); Said deployment spring (60) holds said upper umbrella nest (31) thereby makes rod (20) elongation in the said umbrella, because said bullet dop (50) is fastened in the bayonet socket (231) of said interior mast (23), therefore; The end that said stay cord (40) is positioned between said fixed block (312) and the said bullet dop (50) is pulled to long status; Said stay cord (40) winds a end on the said movable pulley (321) and is pulled to the shortlyest, and then spurs the elastic force that said lower umbrella nest (32) overcomes the return spring of umbrella frame and slides into the end near said upper umbrella nest (31), and then parachute kit is strutted; When the user needs folding with the parachute kit that struts; Only need press down the said key (121) of pressing; Said control loop (12) overcomes said elastic module (125) radial motion once more; Because the end that said intermediate bar (22) is gone up corresponding umbrella handle (10) in the effect of said deployment spring (60) by mast in said (23) slides into the other end; Said bayonet socket (231) exposes from said intermediate bar (22); Therefore during said control loop (12) radial motion, the said tappet (122) on its internal ring wall inserts in the said bayonet socket (231) thereupon said bullet dop (50) is ejected, and the end that said stay cord (40) is arranged in umbrella rod (20) is in free state; Its end that winds on the said movable pulley (321) also loosens thereupon; Said lower umbrella nest (32) spurs said stay cord (40) and slides to an end of umbrella handle (10) under the return spring effect of umbrella frame, and then accomplishes the folding of umbrella frame, and the user can overcome the parachute kit folding state that said deployment spring (60) is contracted to rod (20) in the said umbrella Fig. 1 through said upper umbrella nest (31) being applied external force subsequently.

Aforesaid is the structure and the operation principle of a kind of automatic umbrella folding and unfolding of prior art; Yet it is still existing a series of shortcoming in practical application: the said key (121) of pressing can only carry out folding with umbrella frame when closing one's umbrella pressing down, and rod (20) still is in elongation state in its umbrella; Need the user that rod (20) in the said umbrella is applied the external force that can overcome said deployment spring (60) elastic force and make rod (20) contraction in the said umbrella; Since the length of said deployment spring (60) be in said mast (23) to outside the top of loop bar (21), its intensity and elastic force are all very big, therefore; User's hand must use very big strength to overcome its elastic force; Thus, for women and child a little less than the short power of arm, the action that compression closes one's umbrella then has certain difficulty; And compression PROPEL is improper when closing one's umbrella also can make said deployment spring (60) the bounce-back bullet wound user that returns, therefore the inconvenient whole people popularize.

The utility model content

The utility model provides a kind of automatic umbrella folding and unfolding structure, and it is a kind of and the product prior art same nature, and its technical problem underlying to be solved is: existing full-automatic opening and closing umbrella is when closing one's umbrella operation; It is ability folding umbrella frame; Rod is in elongation state in the umbrella under the elastic force effect of deployment spring, need user's manual compression deployment spring and then shrink rod in the umbrella, and the length of deployment spring need be propped up rod in the whole umbrella; Therefore; Its intensity is high, elastic force is all big, causes the difficulty that closes one's umbrella, and easy bullet wound user.It more than is the utility model technical problem underlying to be solved.

For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: the utility model provides a kind of automatic umbrella folding and unfolding structure, and it comprises rod and umbrella nest in umbrella handle, the umbrella; Wherein, said umbrella handle has the slotting chamber of rod in the grafting umbrella, and rod is an expansion link in the said umbrella; It comprises outer loop bar, intermediate bar and interior mast, and said interior mast one end is fixedly plugged in the slotting chamber of said umbrella handle, and said intermediate bar slidably is set on the said interior mast; Said outer loop bar slidably is set on the said intermediate bar, is provided with deployment spring in the rod in the said umbrella, and said umbrella nest comprises upper umbrella nest and lower umbrella nest; Said upper umbrella nest is fixedly installed on the other end relative with said umbrella handle on the said outer loop bar, and said lower umbrella nest slidably is set on the said outer loop bar, offer on the said upper umbrella nest one said outer tube is in communication with the outside slotted eye; Be pivoted with fixed block in the said slotted eye, it is characterized in that: an end of corresponding said upper umbrella nest is set with plug on the said intermediate bar, is provided with an interior pipe coaxial with it in the said intermediate bar; Said in Guan Yiduan be fixed on said in beyond the Great Wall; Offer the inside and outside groove of the said interior pipe of connection in said beyond the Great Wall, be provided with second fixed block in the said groove, said deployment spring one end is set on said interior the pipe; And hold in said beyond the Great Wall; The other end of said deployment spring holds on the inboard back-up ring of mast in said, on the medial surface of said outer loop bar with said in beyond the Great Wall the corresponding position of groove offer axial tongue, fixedly be embedded with a tappet in the said tongue; On the said fixed block around having striden umbrella cover bone stay cord; Said umbrella cover bone stay cord one end is fixedly connected on the said lower umbrella nest, the other end of said umbrella cover bone stay cord be fixedly connected on said in beyond the Great Wall, on said second fixed block outside having striden the loop bar stay cord; One end of said outer loop bar stay cord passes said interior pipe and connects a bullet dop, and the other end of said outer loop bar stay cord is fixedly connected on an end of corresponding said umbrella handle on the said tappet.

Be preferable over: be provided with a control loop in the said slotting chamber; Offer keyhole on the said umbrella handle; Corresponding said keyhole convexes with one and presses key on the external annulus of said control loop, and the said key of pressing is arranged in the said keyhole, is hinged with tappet with said pressing on the corresponding internal ring wall of key on the said control loop; And be provided with a torque spring between the internal ring wall of said tappet and said control loop; Said tappet flushes with the anchor ring of said control loop, and a side relative with said tappet on the internal ring wall of said control loop is provided with grab, is provided with elastic module with the said opposing side of key of pressing on the external annulus of said control loop; Said elastic module supports on the wall of the chamber in said control loop and said slotting chamber; Corresponding said tappet offers one and can receive the bayonet socket of being located in the said intermediate bar on the said interior mast, and the position of corresponding said bayonet socket is provided with jump ring on the madial wall of said interior mast, and corresponding said grab offers hole clipping on the said outer loop bar.

Be preferable over: said tappet is embedded in said tongue, said tongue closed at both ends, and said tongue one end is communicated to said upper umbrella nest and is positioned at the inner end face of said outer loop bar; Bring together at the notch place that said overcoat pole pair answers an end of said umbrella handle to be positioned at said tongue; Said tappet and said tongue are isometric, said tappet one end support said upper umbrella nest be positioned at said outside on the inner end face of loop bar, said tappet connects said outer loop bar stay cord one end and supports at the notch of said tongue and brings together on the wall; Present embodiment in the specific implementation; One end of the corresponding said umbrella handle of said tappet directly is connected on the said outer loop bar stay cord, when the loop bar stay cord spurs said tappet outside said, the said upper umbrella nest of the direct ejection of said tappet; Can realize promoting outer loop bar slides on said intermediate bar; And adopt said tappet and the more convenient assembling of outer loop bar stay cord ways of connecting, the direct tongue that embeds in the said outer loop bar of tappet that only needs to be connected with outer loop bar stay cord gets final product, and further can enhance productivity.

Compared with prior art; The beneficial effect that the utility model produced is: the utility model provides a kind of automatic umbrella folding and unfolding structure; It is when closing one's umbrella; Thereby lower umbrella nest and outer loop bar slide to an end of corresponding umbrella handle simultaneously and shorten rod in the umbrella, shortened deployment spring length, reduced deployment spring intensity, weakened the elastic force of deployment spring, make when compression closes one's umbrella more convenient and significantly reduced the operation easier and the danger of automatic umbrella folding and unfolding whereby.

Description of drawings

Fig. 1 is the folding state cross-sectional schematic of existing a kind of automatic receipts parachute-opening.

Fig. 2 is the open configuration cross-sectional schematic of existing a kind of automatic receipts parachute-opening.

Fig. 3 is the umbrella cover bone collapse state cross-sectional schematic of existing a kind of automatic receipts parachute-opening.

Fig. 4 is the folding state cross-sectional schematic of the utility model.

Fig. 5 is the open configuration cross-sectional schematic of the utility model.

Fig. 6 is the umbrella cover bone collapse state cross-sectional schematic of the utility model.

Fig. 7 is the local enlarged diagram of A among Fig. 5.

The specific embodiment

A kind of automatic umbrella folding and unfolding structure that below will combine accompanying drawing 4 to 7 and preferred embodiment that the utility model is proposed is done more to specify.

The utility model provides a kind of automatic umbrella folding and unfolding structure, and it comprises rod 20 and umbrella nest 30 in umbrella handle 10, the umbrella, wherein; Said umbrella handle 10 has the slotting chamber 11 of rod 20 in the grafting umbrella, is provided with a control loop 12 in the said slotting chamber 11, offers keyhole on the said umbrella handle 10; Corresponding said keyhole convexes with one and presses key 121 on the external annulus of said control loop 12, and the said key 121 of pressing is arranged in the said keyhole, is hinged with tappet 122 with said pressing on the corresponding internal ring wall of key 121 on the said control loop 12; And be provided with a torque spring 123 between the internal ring wall of said tappet 122 and said control loop 12, the normality state that said tappet 122 maintenances flush with the ring wall of said control loop 12 is provided with grab 124 with said tappet 122 relative sides on the internal ring wall of said control loop 12; Be provided with elastic module 125 with the said key 121 opposing sides of pressing on the external annulus of said control loop 12, said elastic module 125 supports on the chamber wall in said control loop 12 and said slotting chamber 11, and rod 20 is an expansion link in the said umbrella; It comprises outer loop bar 21, intermediate bar 22 and interior mast 23, said in mast 23 1 ends be fixedly plugged in the slotting chamber 11 of said umbrella handle 10, said intermediate bar 22 slidably be set in said on the mast 23; Said outer loop bar 21 slidably is set on the said intermediate bar 22, and corresponding said tappet 122 offers one and can receive the bayonet socket of being located in the said intermediate bar 22 231 on the said interior mast 23, and the position of corresponding said bayonet socket 231 is provided with jump ring 232 on the madial wall of said interior mast 23; Corresponding said grab 124 offers hole clipping 211 on the said outer loop bar 21, and said umbrella nest 30 comprises upper umbrella nest 31 and lower umbrella nest 32, and said upper umbrella nest 31 is fixedly installed on the said outer loop bar 21 other end relative with said umbrella handle 10; Said lower umbrella nest 32 slidably is set on the said outer loop bar 21; Offer on the said upper umbrella nest 31 one said outer tube 21 is in communication with the outside slotted eye 311, be pivoted with fixed block 312 in the said slotted eye 311, rod is provided with deployment spring 60 in 20 in the said umbrella; An end of corresponding said upper umbrella nest 31 is set with plug 221 on the said intermediate bar 22; Be provided with an interior pipe 24 coaxial in the said intermediate bar 22 with it, said in pipe 24 1 ends be fixed on said on the plug 221, offer on the plug 221 in said be communicated with said in the inside and outside groove 222 of pipe 24; Be provided with second fixed block 223 in the said groove 222; Said deployment spring 60 1 ends be set in said on the pipe 24, and hold said in and to fill on 221, the other end of said deployment spring 60 holds on the inboard back-up ring of mast 23 in said; Offer axial tongue 211 with said interior groove 222 corresponding positions of filling on 221 on the medial surface of said outer loop bar 21; Fixedly be embedded with a tappet 25 in the said tongue 211, around having striden umbrella cover bone stay cord 313, said umbrella cover bone stay cord 313 1 ends are fixedly connected on the said lower umbrella nest 32 on the said fixed block 312; The other end of said umbrella cover bone stay cord 313 is fixedly connected on the said interior plug 221; On said second fixed block 223 outside having striden loop bar stay cord 224, an end of said outer loop bar stay cord 224 pass said in pipe 24 connect a bullet dop 50, the other end of said outer loop bar stay cord 224 is fixedly connected on an end of corresponding said umbrella handle 10 on the said tappet 25.

As shown in Figure 4; When the utility model is in folding state; Rod 20 shrinks in the said umbrella; Hole clipping 211 on the said outer loop bar 21 is fastened on the said grab 124; Said deployment spring 60 is compressed into the shortest, said in bayonet socket 231 on the mast 23 receive and be located in the said intermediate bar 22, said bullet dop 50 is managed the position that in said, comes downwards to bayonet socket 231 under 24 the pushing and pressing effect in the mast 23 in said; Receive snapping in the said bayonet socket 231 that said jump ring 232 radially supports simultaneously; Said outer tube stay cord 224 is in short status between said second fixed block 223 and bullet dop 50, corresponding said outer tube stay cord 224 is in long status between said second fixed block 223 and tappet 25, and said umbrella cover bone stay cord 313 is in short status between said fixed block 312 and interior plug 221; Therefore said umbrella cover bone stay cord 313 is in long status between said fixed block 312 and lower umbrella nest 32, and said lower umbrella nest 32 loses the drawing tension that stretches tight of said umbrella cover bone stay cord 313 at the return spring effect lower slider of a umbrella frame end of corresponding said umbrella handle 10 extremely.

As shown in Figure 5; When said user presses said when pressing key 121; Said control loop 12 is done the radial motion of the said elastic module 125 of compression; Said tappet 122 is supporting under the effect of said torque spring 123 on said intermediate bar 22; Said grab 124 breaks away from said hole clipping 211; Said deployment spring 60 hold said in plug 221 make said intermediate bar 22 said on the mast 23 to the slip of the direction of the said upper umbrella nest 31 of correspondence; Since said bullet dop 50 be fastened on said in the bayonet socket 231 of mast 23, therefore, when said intermediate bar 22 when the direction at said upper umbrella nest 31 places is slided; The length of said outer loop bar stay cord 224 between said second fixed block 223 and said bullet dop 50 is pulled to long status; The length of said outer loop bar stay cord 224 between said second fixed block 223 and said tappet 25 is pulled to the shortest accordingly, and then said sleeve pipe 21 direction to the said upper umbrella nest 31 of correspondence on said intermediate bar 22 that goes up of said tappet 25 ejections is slided, and the distance between said upper umbrella nest 31 and the said interior plug 221 is drawn back gradually; The length of said umbrella cover bone stay cord 313 between said fixed block 312 and interior plug 221 is pulled to long status; The length of said umbrella cover bone stay cord 313 between said fixed block 312 and lower umbrella nest 32 is pulled to short status, and the return spring that said lower umbrella nest 32 overcomes under the tension of said umbrella cover bone stay cord 313 on the umbrella frame slides into an end of corresponding said upper umbrella nest 31, and then rod 20 and umbrella frame are opened comprehensively.

As shown in Figure 6; When the user presses the said key 121 of pressing down during at the utility model open configuration; Said control loop 12 overcomes said elastic module 125 radial motions once more; Since said intermediate bar 22 the effect of said deployment spring 60 by mast in said 23 on an end of corresponding umbrella handle 10 slide into the other end; Said bayonet socket 231 exposes from said intermediate bar 22; During therefore said control loop 12 radial motions, the said tappet 122 on its internal ring wall inserts said bayonet socket 231 thereupon said bullet dop 50 is ejected, and makes the tension force disappearance on the outer loop bar stay cord 224; The tension force of corresponding said umbrella cover bone stay cord 313 also disappears thereupon; Said lower umbrella nest 32 is at an end of the return spring effect lower slider of umbrella frame to corresponding said umbrella handle 10, simultaneously the length of said umbrella cover bone stay cord 313 between said fixed block 312 and lower umbrella nest 32 is pulled to the longlyest, makes the end slip to the said umbrella handle 10 of correspondence on said intermediate bar 22 of said outer loop bar 21; And then accomplishing the folding of umbrella frame and the contractive action between said outer loop bar 21 and the said intermediate bar 22, the user can receive the parachute kit folding state to Fig. 1 with the utility model through the deployment spring 60 that apply between said intermediate bar 22 of outer force compresses and the interior mast 23 excellent 20 two ends in the said umbrella subsequently.

Preferred embodiment: said tappet 25 is embedded in said tongue 211; Said tongue 211 closed at both ends; Said tongue 211 1 ends are communicated to the end face that said upper umbrella nest 31 is positioned at said outer loop bar 21 inside, and bring together at the notch place that an end of said outer loop bar 21 corresponding said umbrella handles 10 is positioned at said tongue 211, and said tappet 25 and said tongue 211 are isometric; Said tappet 25 1 ends support said upper umbrella nest 31 be positioned at said outside on the inner end face of loop bar 21; Said tappet 25 connects said outer loop bar stay cord 224 1 ends and supports at the notch of said tongue 211 and brings together on the wall, and present embodiment directly is connected an end of said tappet 25 corresponding said umbrella handles 10 on the said outer loop bar stay cord 224 in the specific implementation; Outside said during the said tappet 25 of loop bar stay cord 224 pullings; The said upper umbrella nest 31 of said tappet 25 direct ejections can be realized promoting outer loop bar 21 and on said intermediate bar 22, slide, and adopts said tappet 25 and the more convenient assembling of outer loop bar stay cord 224 ways of connecting; The direct tongue 211 that embeds in the said outer loop bar 21 of tappet that only needs to be connected with outer loop bar stay cord 224 gets final product, and further can enhance productivity.

Comprehensive the above; The technical scheme of the utility model can fully effectively be accomplished the foregoing invention purpose; And the structural principle and the principle of work and power of the utility model all verified in an embodiment fully, and can reach the effect and the purpose of expection, and the embodiment of the utility model also can carry out conversion according to these principles; Therefore, the utility model comprise all in claim, mention in the scope all the replacement contents.Any equivalence of in the utility model claim, being done changes, and all belongs within the claim of this case application.

Claims

1. automatic umbrella folding and unfolding structure, it comprises rod and umbrella nest in umbrella handle, the umbrella, wherein; Said umbrella handle has the slotting chamber of rod in the grafting umbrella, and rod is an expansion link in the said umbrella, and it comprises outer loop bar, intermediate bar and interior mast; Mast one end is fixedly plugged in the slotting chamber of said umbrella handle in said, and said intermediate bar slidably is set on the said interior mast, and said outer loop bar slidably is set on the said intermediate bar; Be provided with deployment spring in the rod in the said umbrella, said umbrella nest comprises upper umbrella nest and lower umbrella nest, and said upper umbrella nest is fixedly installed on the other end relative with said umbrella handle on the said outer loop bar; Said lower umbrella nest slidably is set on the said outer loop bar, offer on the said upper umbrella nest one said outer tube is in communication with the outside slotted eye, be pivoted with fixed block in the said slotted eye; It is characterized in that: an end of corresponding said upper umbrella nest is set with plug on the said intermediate bar; Be provided with one in the said intermediate bar in its coaxial interior pipe, said in Guan Yiduan be fixed on said in beyond the Great Wall, offer beyond the Great Wall in said be communicated with said in the inside and outside groove of pipe; Be provided with second fixed block in the said groove; Said deployment spring one end be set in said on the pipe, and hold in said beyond the Great Wall, the other end of said deployment spring holds on the inboard back-up ring of mast in said; On the medial surface of said outer loop bar with said in beyond the Great Wall the corresponding position of groove offer axial tongue; Fixedly be embedded with a tappet in the said tongue, around having striden umbrella cover bone stay cord, said umbrella cover bone stay cord one end is fixedly connected on the said lower umbrella nest on the said fixed block; The other end of said umbrella cover bone stay cord be fixedly connected on said in beyond the Great Wall; On said second fixed block outside having striden the loop bar stay cord, an end of said outer loop bar stay cord pass said in pipe connect a bullet dop, the other end of said outer loop bar stay cord is fixedly connected on an end of corresponding said umbrella handle on the said tappet.

2. a kind of automatic umbrella folding and unfolding structure as claimed in claim 1; It is characterized in that: be provided with a control loop in the said slotting chamber, offer keyhole on the said umbrella handle, corresponding said keyhole convexes with one and presses key on the external annulus of said control loop; The said key of pressing is arranged in the said keyhole; Be hinged with tappet with said pressing on the corresponding internal ring wall of key on the said control loop, and be provided with a torque spring between the internal ring wall of said tappet and said control loop, said tappet flushes with the anchor ring of said control loop; A side relative with said tappet on the internal ring wall of said control loop is provided with grab; Be provided with elastic module with the said opposing side of key of pressing on the external annulus of said control loop, said elastic module supports on the wall of the chamber in said control loop and said slotting chamber, and corresponding said tappet offers one and can receive the bayonet socket of being located in the said intermediate bar on the said interior mast; The position of corresponding said bayonet socket is provided with jump ring on the madial wall of said interior mast, and corresponding said grab offers hole clipping on the said outer loop bar.

3. according to claim 1 or claim 2 a kind of automatic umbrella folding and unfolding structure; It is characterized in that: said tappet is embedded in said tongue; Said tongue closed at both ends; Said tongue one end is communicated to said upper umbrella nest and is positioned at the inner end face of said outer loop bar, and bring together at the notch place that said overcoat pole pair answers an end of said umbrella handle to be positioned at said tongue, and said tappet and said tongue are isometric; Said tappet one end support said upper umbrella nest be positioned at said outside on the inner end face of loop bar, said tappet connects said outer loop bar stay cord one end and supports at the notch of said tongue and brings together on the wall.