CN118252311A - Safety protection self-opening and closing umbrella - Google Patents

Abstract

The application provides a safety protection self-opening and closing umbrella, which comprises an umbrella stand, a telescopic umbrella handle, an umbrella head, a fixed umbrella nest and a movable umbrella nest, wherein the umbrella head comprises a shell assembly and a base assembly fixed in the shell assembly, and the base assembly is provided with an opening and closing mechanism and an air spring prevention mechanism; the empty spring prevention mechanism comprises a rotating piece, a limiting piece, a first pull rope and a clockwork spring, wherein the rotating piece is rotatably arranged on the base assembly, one end of the first pull rope is connected with the rotating piece, and the other end of the first pull rope is connected with the fixed umbrella nest; the clockwork spring is connected between the rotating piece and the base assembly; the limiting piece comprises a movable frame body arranged on the base assembly in a sliding manner and an extension block fixed on one side surface of the movable frame body, which is close to the telescopic umbrella handle, wherein a pawl part is integrally formed on the inner side surface of the movable frame body, and one end of the rotating piece is connected with a ratchet component; a first spring is arranged between the extension block and the base assembly. Based on this, can reduce the possibility that the rib is empty and sprung forward in the umbrella opening and withdrawing process, improve the security when the user uses this folding umbrella.

Description

Safety protection self-opening and closing umbrella

Technical Field

The application relates to the field of umbrella design, in particular to a safety protection self-opening and closing umbrella.

Background

Umbrellas are stock tools for people to go out, and generally comprise two types of straight rib umbrellas and folding umbrellas; the existing folding umbrella has the functions of automatic opening and automatic closing, the folding umbrella can be automatically opened by pressing the key in the umbrella closing state, the umbrella stand of the folding umbrella can be automatically closed by pressing the key again in the umbrella opening state, and at the moment, a user needs to manually retract the umbrella stand to the umbrella head position at the bottom, so that the umbrella handle of the folding umbrella is in the closing state again, and the automatic opening of the folding umbrella can be performed again.

However, when a user, especially a teenager, performs an operation of manually folding the umbrella, the umbrella stand is not pushed in place due to insufficient strength, and the umbrella stand and the umbrella cap are in a forward empty spring condition, so that the user can be injured by others or himself, and certain potential safety hazards exist during use.

Disclosure of Invention

Based on the above, the application provides the safety protection self-opening and closing umbrella, which can reduce the possibility of forward flicking of the umbrella rib in the process of opening and retracting the umbrella, further improve the safety of a user when using the folding umbrella and reduce potential safety hazards.

The application provides a safety protection self-opening and closing umbrella which adopts the following technical scheme:

The safety protection self-opening and closing umbrella comprises an umbrella stand, a telescopic umbrella handle, an umbrella head, a fixed umbrella nest and a movable umbrella nest, wherein the telescopic umbrella handle comprises an inner pipe rod, a middle pipe rod and an outer pipe rod which are movably sleeved in sequence from inside to outside, and the umbrella head is fixed with the inner pipe rod; the fixed umbrella nest is fixed on the outer pipe rod, the movable umbrella nest is slidably sleeved on the outer pipe rod, and the umbrella stand is connected between the fixed umbrella nest and the movable umbrella nest so as to realize folding of the umbrella stand;

The umbrella head comprises a shell assembly and a base assembly fixed in the shell assembly, and the base assembly is provided with an opening and closing mechanism for automatically opening and closing the umbrella stand and an air defense spring mechanism for limiting rebound of the umbrella stand; wherein,

The empty spring prevention mechanism comprises a rotating piece, a limiting piece, a first stay cord and a clockwork spring, and the rotating piece is rotatably arranged on the base assembly; the outer peripheral surface of the rotating piece is locally provided with an annular groove for the first stay cord to wind, one end of the first stay cord is connected with the rotating piece, and the other end of the first stay cord is connected with the fixed umbrella nest; the clockwork spring is connected between the rotating piece and the base assembly and is used for forcing the rotating piece to rotate and reset and normally winding the first stay cord;

The limiting piece comprises a movable frame body which is arranged on the base assembly in a sliding manner, and an extension block which is fixed on one side surface of the movable frame body, which is close to the telescopic umbrella handle, wherein the moving direction of the movable frame body and the telescopic direction of the telescopic umbrella handle are arranged in the same direction; the inner side surface of the movable frame body, which is far away from the extension block, is integrally formed with a pawl part, and one end of the rotating piece is connected with a ratchet component which is in clamping fit with the pawl part; a first spring is arranged between the extension block and the base assembly, and in the umbrella opening and withdrawing state, the first spring forces the pawl part to be clamped and limited with the ratchet component in a matching way.

By adopting the technical scheme, the automatic opening and closing functions of the folding umbrella are realized through the opening and closing mechanism, and the anti-empty-spring mechanism is additionally arranged in the base assembly of the umbrella head, so that the possibility of forward empty spring of the umbrella rib can be reduced in the process of opening and closing the umbrella. Specifically, the umbrella stand is in an automatic folding state by pressing the folding mechanism twice, at the moment, the first stay cord is unreeled to the limit position, and the clockwork spring is in a tightening state; the movable frame body moves towards the direction approaching to the telescopic umbrella handle under the action of the elastic force of the first spring, and the pawl part can be clamped and matched with the ratchet component.

In the process of folding the umbrella, a user pulls the movable umbrella nest to retract the umbrella stand, the telescopic umbrella handle is gradually folded, the distance between the fixed umbrella nest and the umbrella head is gradually reduced, the first stay cord is in a loose state, and the reset torque force of the spring acting on the rotating piece can automatically force the rotating piece to rotate and reset so as to drive the ratchet component to jack up the pawl part and smoothly rotate. When the user removes external force, utilize the reverse joint spacing between pawl portion and the ratchet component, can restrict the condition that movable umbrella nest and umbrella stand are shot back and take place, and then reduce the possibility that the umbrella stand was empty to bullet forward, improve the safety in utilization of folding umbrella, reduce the potential safety hazard.

Optionally, the base assembly comprises a fixed base and a side buckle seat, and the inner pipe rod is fixedly connected to the fixed base; the side buckling seat is detachably connected to the fixed base, and an installation cavity for installing the rotating piece is formed between the side buckling seat and the fixed base;

One end of the rotating piece, which is far away from the ratchet component, is provided with a rotating shaft part, and the side buckling seat is provided with a first shaft hole for the rotating shaft part to rotate and install; the end face of the rotating part, far away from the rotating part, is provided with a first hook groove, the side buckling seat is provided with a second hook groove, the spring is wound on the rotating part, and two ends of the spring are respectively and correspondingly clamped in the first hook groove and the second hook groove.

By adopting the technical scheme, when the folding umbrella is produced and assembled, one end of the spring is clamped into the first hook groove of the rotating shaft part, then the rotating shaft part is inserted into the first shaft hole, and then the side buckling seat is detachably connected to the fixed base, so that the other end of the spring is clamped into the second hook groove, assembly of each part can be rapidly and conveniently completed, and the production and assembly efficiency of the folding umbrella is improved; and when the anti-air spring mechanism is damaged in the subsequent use process, the parts can be conveniently repaired or replaced.

Optionally, the shell assembly comprises an upper shell, a lower shell and a blocking seat, wherein the upper shell and the lower shell are of tubular structures which are axially communicated, and the fixed base is fixedly arranged in the upper shell; the baffle seat is fixed at one end of the lower shell, a quick-release mechanism is arranged between the baffle seat and the fixed base, and after the baffle seat is connected to the fixed base through the quick-release mechanism, the upper shell is tightly abutted with the lower shell, and the side buckle seat is arranged on the inner side of the lower shell.

Through adopting foretell technical scheme, because fixed base fixed mounting is in the epitheca, keeps off the seat through being fixed in the inferior valve to utilize quick detach mechanism to make keep off seat and fixed base fixed mutually, can make closely butt between inferior valve and the epitheca, thereby play good protection to each spare part of inboard. In addition, when the anti-air spring mechanism is damaged in the subsequent use process, after the blocking seat is separated from the fixed base by the quick-dismantling mechanism, the blocking seat and the lower shell are dismantled, and the side buckling seat can be exposed to the outside, so that the side buckling seat can be conveniently dismantled and internal parts can be repaired or replaced.

Optionally, the quick-dismantling mechanism comprises a connecting rod and a locking ring, the connecting rod is fixed on one side surface of the fixed base far away from the telescopic umbrella handle, a plug is arranged at the end part of the connecting rod, and the outer diameter of the plug is larger than that of the connecting rod;

the locking rings are connected to the blocking seat in a sliding manner, two locking rings are arranged, the two locking rings are enclosed together to form a whole ring, and the outer diameter of the whole ring is matched with the outer diameter of the plug; when the assembly is completed, the locking ring is abutted against the side end surface of the plug, which is close to the fixed base;

an unlocking component is arranged between each locking ring and the lower shell and used for unlocking the locking limit between the locking ring and the plug.

Through adopting foretell technical scheme, in the assembly process of umbrella head, through forcing the fender seat to be close to fixed base's direction removal, the top of connecting rod tip can jack-up two locking rings, get into one side that the locking ring is close to the fender seat, and the side terminal surface that the top is close to fixed base this moment can with the mutual butt spacing of locking ring, and then makes keep being connected between fender seat and the fixed base. When the internal parts are required to be repaired or replaced, the locking limit between the locking ring and the plug is released through the unlocking component, the blocking seat can be conveniently detached from the fixed base, and the fixing base has the advantage of convenience in disassembly and assembly.

Optionally, the unlocking component comprises a fixed column, a movable column and a knob seat, the lower shell is provided with a rotating groove, and the knob seat is rotatably arranged in the rotating groove; the side surface of the knob seat is coaxially provided with a perforation, and the cross section shape of the perforation is elliptical;

The fixed column is fixed on the outer cambered surface of the locking ring, the movable column is movably sleeved on the fixed column, a second spring is arranged between the movable column and the fixed column, and the second spring is in a normal compression state; the shape of the movable column is matched with that of the through hole, and when the knob seat rotates to a state that the movable column is opposite to the through hole, the second spring forces the movable column to pass through the through hole and be positioned on the outer side of the lower shell partially.

By adopting the technical scheme, because the section shapes of the movable column and the perforated hole are elliptical, under the normal state, the knob seat stays at the position where the movable column and the perforated hole are staggered, the movable column and the fixed column can be kept contracted, the second spring is in a compressed state, and elastic force acting on the fixed column can be generated, so that the two locking rings are kept in a butt state and are matched with the plug to be limited. When the internal parts are required to be repaired or replaced, the knob seat is rotated by applying force to the knob seat, the knob seat is rotated to the position where the movable column is opposite to the through hole, the elastic force of the second spring forces the movable column to move outwards and be located on the outer side of the lower shell partially, and at the moment, the fixed column and the locking ring can be pulled to move outwards conveniently by applying force to the movable column, so that the limit of the plug is relieved, and the smooth disassembly of the baffle seat is facilitated.

Optionally, a limiting groove is locally arranged on the inner peripheral wall of the rotating groove, a limiting part is arranged on the outer peripheral surface of the knob seat, and the limiting part is movably arranged in the limiting groove; a third spring is arranged between the limiting part and the inner end wall of the limiting groove and is used for forcing the knob seat to rotate to a state that the movable column is staggered with the perforation.

Through adopting foretell technical scheme, the setting of third spring can produce the elastic force that acts on spacing portion all the time, and then forces knob seat normal rotation to the position that movable column and perforation misplaced mutually to keep fixed between keeping off seat and the fixed base, reduce unexpected separation between the two, lead to keeping off the possibility that seat and inferior valve accident were lost.

Optionally, the plug is close to the side end face of fixed base and personally submits indent setting, and the locking ring part is equipped with the outer protruding portion spacing with indent regional cooperation.

Through adopting foretell technical scheme, through the cooperation in locking ring outer protruding portion and top indent region, can improve the spacing steadiness of mutual butt between top and the locking ring, and then improve the steadiness when keeping off the seat and being connected with fixed base.

Optionally, the side surface of the fixed base is provided with a jack, the side buckle seat is fixed with a plug, and the plug is matched and inserted in the jack; after the baffle seat is inserted into the fixed base, the side buckling seat and the fixed base are respectively abutted against the inner wall of the lower shell, and the side buckling seat and the fixed base are mutually abutted.

By adopting the technical scheme, the side buckling seat and the fixed base can be conveniently and quickly connected through the movable plug-in fit between the plug-in column and the plug hole, so that the replacement of parts is facilitated when the anti-air spring mechanism is damaged; after the side buckling seat and the fixed base are mutually spliced, the side buckling seat and the fixed base are installed in the lower shell and can be abutted against the inner wall of the lower shell to limit, so that the whole structure of the base assembly is kept stable, and the normal action of each part is not influenced.

Optionally, the fixed base is provided with a first chute for sliding and installing the movable frame, and a second shaft hole communicated with the installation cavity is formed in the inner bottom wall of the first chute; the end face of the ratchet component is provided with a plug-in part which is in plug-in fit with the second shaft hole, and the peripheral surface of the plug-in part is provided with a strip-shaped groove; the end of the rotating piece, which is far away from the rotating shaft part, is provided with a plug-in groove, and the plug-in part is in plug-in fit with the plug-in groove; the inner side surface of the inserting groove is provided with a strip-shaped convex part, and the strip-shaped convex part is matched with the strip-shaped groove for limiting.

By adopting the technical scheme, after the rotating piece is rotatably arranged in the first shaft hole through the rotating shaft part, the inserting part of the ratchet component passes through the second shaft hole and is matched and inserted into the inserting groove, the strip-shaped convex part is matched and enters the strip-shaped groove, and the ratchet component can rotate along with the rotating piece, so that the circumferential linkage of the ratchet component and the rotating piece is realized; the ratchet component and the rotating piece can be conveniently assembled and disassembled in an inserting mode, and then the ratchet component can be conveniently repaired or replaced when damaged.

Optionally, the fixed base is provided with a movable cavity, and the opening direction of the movable cavity is perpendicular to the axial direction of the telescopic umbrella handle; the opening and closing mechanism comprises a key seat movably inserted in the movable cavity and a fourth spring arranged between the key seat and the fixed base, and the fourth spring is used for forcing the key seat to be propped against the inner wall of the upper shell normally; the outer side surface of the upper shell is provided with a construction opening communicated with the inside, and the key seat is provided with a pressing part which is normally positioned in the construction opening.

Through adopting foretell technical scheme, through making the button seat activity insert locate the installation cavity of fixed base, can make things convenient for the quick installation of button seat to after making the fixed base be fixed in the epitheca inside subsequently, the elastic force of fourth spring can force the button seat to support in the epitheca inner wall and carry out spacingly, the pressing part card of button seat is located in the structure mouth of epitheca this moment, can make things convenient for the user to press in order to carry out the automation of this folding umbrella and open and close.

In summary, the present application includes at least one of the following beneficial technical effects:

1. Through the cooperation limit of the ratchet component and the ratchet component at the inner side of the movable frame body, a user pulls the movable umbrella nest to retract the umbrella stand in the umbrella folding process, so that the ratchet component can jack the ratchet component and smoothly rotate; after the external force is removed, the situation that the movable umbrella nest and the umbrella stand are rebounded can be limited by utilizing the reverse clamping limit between the pawl part and the ratchet wheel component, so that the use safety of the folding umbrella is improved;

2. through setting up first hook groove and second hook groove, make one end card of clockwork spring go into the first hook groove of pivot portion, insert the pivot portion and locate inside the first shaft hole, then link to the fixed base with the side knot seat can be dismantled, make the other end card of clockwork spring go into the second hook groove, can accomplish the assembly of each spare part fast, conveniently, improve the production packaging efficiency of this folding umbrella;

3. The baffle seat and the fixed base are fixed through the quick-dismantling mechanism, the lower shell and the upper shell can be tightly abutted, so that all parts on the inner side are well protected, and after the baffle seat and the fixed base are separated by the quick-dismantling mechanism, the baffle seat and the lower shell are dismantled, the side buckle seat can be exposed to the outside, and the side buckle seat is convenient to disassemble and repair or replace the internal parts.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of a part of the telescopic handle in the present embodiment;

FIG. 3 is a schematic view of the housing assembly in a half-section of the present embodiment, mainly showing the internal structure of the umbrella head;

FIG. 4 is an exploded view of the side socket, fixed base, clockwork spring and ratchet member of this embodiment;

FIG. 5 is a schematic view of a semi-sectional structure of a fixed base, mainly embodying specific structures of an opening and closing mechanism and an air defense mechanism;

FIG. 6 is an enlarged view at A in FIG. 5;

Fig. 7 is an enlarged view at B in fig. 4;

FIG. 8 is a schematic view of the structure of the clockwork spring and the rotary member in the present embodiment;

FIG. 9 is a schematic view of the structure of the head and tail of the umbrella in this embodiment, mainly showing the structure of the quick release mechanism;

FIG. 10 is a partial cross-sectional view of the lower housing of the present embodiment, primarily embodying the mounting structure of the knob seat in the rotation slot;

Fig. 11 is a schematic semi-sectional view of the movable pillar in this embodiment, mainly showing a specific structure of the unlocking assembly.

Reference numerals illustrate: 1. an umbrella stand; 11. a tension spring; 2. a telescopic umbrella handle; 21. an inner pipe rod; 211. a second bayonet; 22. a middle pipe rod; 23. an outer tube rod; 231. a first bayonet; 24. resetting the spring plate; 3. a housing assembly; 31. an upper case; 311. constructing a mouth; 32. a lower case; 321. a rotating groove; 322. a limit groove; 33. a blocking seat;

4. a base assembly; 41. a fixed base; 411. a movable cavity; 412. inserting a column; 413. a second shaft hole; 414. a first chute; 415. a second chute; 416. a limiting block; 42. a side buckle seat; 421. a jack; 422. a first shaft hole; 423. a second hooking groove; 43. a mounting cavity; 5. fixing the umbrella nest; 6. a movable umbrella nest; 7. an opening and closing mechanism; 71. a key base; 711. a plug-in column; 712. an inner buckle part; 713. a pressing part; 72. a fourth spring; 73. a buckle head; 74. a shifting block;

8. An air spring prevention mechanism; 81. a rotating member; 811. a rotating shaft portion; 8111. a first hooking groove; 812. a plug-in groove; 813. a bar-shaped convex part; 814. an annular groove; 82. a limiting piece; 821. moving the frame; 822. an extension block; 823. a pawl portion; 824. a slide bar portion; 83. a first pull rope; 84. a clockwork spring; 85. a ratchet member; 851. a plug-in part; 852. a strip-shaped groove; 86. a first spring; 9. a quick-release mechanism; 91. a connecting rod; 911. a plug; 92. a locking ring; 921. an outer protruding portion; 93. fixing the column; 94. a movable column; 95. a knob seat; 951. perforating; 952. a limit part; 96. a second spring; 97. and a third spring.

Detailed Description

The application is described in further detail below with reference to fig. 1-11.

The embodiment of the application discloses a safety protection self-opening and closing umbrella.

Referring to fig. 1, a safety protection self-opening and closing umbrella comprises an umbrella frame 1, a telescopic umbrella handle 2, an umbrella head, a fixed umbrella nest 5 and a movable umbrella nest 6; referring to fig. 2, the telescopic umbrella handle 2 includes an inner tube rod 21, a middle tube rod 22 and an outer tube rod 23, and the outer diameters of the inner tube rod 21, the middle tube rod 22 and the outer tube rod 23 are sequentially increased; the middle pipe rod 22 is movably sleeved on the outer peripheral side of the inner pipe rod 21, and the outer pipe rod 23 is movably sleeved on the outer peripheral side of the middle pipe rod 22.

The umbrella head is fixed with one end of the inner pipe rod 21, the fixed umbrella nest 5 is fixed with one end of the outer pipe rod 23, and the umbrella head and the fixed umbrella nest 5 are respectively positioned at two ends of the telescopic umbrella handle 2; a reset spring is also arranged between the fixed umbrella nest 5 and the umbrella head, and can normally force the fixed umbrella nest 5 to move in the direction away from the umbrella head. Returning to fig. 1, the movable umbrella nest 6 is slidably sleeved on the outer pipe rod 23, the umbrella stand 1 is connected between the fixed umbrella nest 5 and the movable umbrella nest 6, and a tension spring 11 for forcing the movable umbrella stand 1 to be far away from the fixed umbrella stand 1 is arranged inside the umbrella stand 1.

It should be noted that, in the embodiment, the specific structures of the telescopic umbrella handle 2 and the umbrella stand 1 are conventional designs in the art, and are not important to be protected in the present application, and are not described in detail herein; when the movable umbrella nest 6 is propped against the fixed umbrella nest 5, the umbrella stand 1 is in an open state, and when the movable umbrella nest 6 moves in a direction away from the fixed umbrella nest 5, the umbrella stand 1 can be gradually retracted, and finally the outer pipe rod 23 can be partially retracted into the inner side of the umbrella head.

Referring to fig. 3, the umbrella head comprises a housing assembly 3 and a base assembly 4, wherein the base assembly 4 is provided with an opening and closing mechanism 7 for automatically opening and closing the umbrella stand 1 and an air defense mechanism 8 for limiting rebound of the umbrella stand 1; the base assembly 4 includes a fixed base 41 and a side fastening seat 42, and the fixed base 41 and the side fastening seat 42 in this embodiment are all injection molded plastic parts. The shell assembly 3 comprises an upper shell 31, a lower shell 32 and a baffle seat 33, wherein the upper shell 31 and the lower shell 32 are of tubular structures which are axially communicated, and the upper shell 31 and the lower shell 32 are made of transparent PMMA materials, so that a user can observe the internal structure of the shell assembly 3 conveniently, and the whole umbrella head has mechanical aesthetic feeling.

The fixed base 41 is fixedly installed inside the upper shell 31, and after the fixed base 41 is installed, all sides of the fixed base 41 can be matched and abutted with the inner wall of the upper shell 31 for limiting; the end of the inner tube 21 remote from the fixed nest 5 is fixedly connected to the fixed base 41. The side fastening seat 42 is detachably connected to the fixing base 41, referring to fig. 4 specifically, a plug 412 is vertically fixed on a side surface of the fixing base 41, a jack 421 is provided on a side surface of the side fastening seat 42, and the plug 412 is inserted into the jack 421 in a matching manner.

Returning to fig. 3, the blocking seat 33 is fixed at one end of the lower shell 32, and a quick-release mechanism 9 is disposed between the blocking seat 33 and the fixed base 41, when the blocking seat 33 is connected to the fixed base 41 through the quick-release mechanism 9, the upper shell 31 can be tightly abutted to the lower shell 32, the side buckle seat 42 can be located inside the lower shell 32 after being inserted into the fixed base 41, and the side buckle seat 42 is limited by matching and abutting with the inner wall of the lower shell 32, so that the side buckle seat 42 and the fixed base 41 maintain a mutually abutting state.

Referring to fig. 5, the fixed base 41 is provided with a movable cavity 411, and the opening direction of the movable cavity 411 is perpendicular to the axial direction of the telescopic umbrella handle 2; the opening and closing mechanism 7 comprises a key seat 71 and a fourth spring 72, and the key seat 71 is movably inserted into the movable cavity 411; the side of the key seat 71 is provided with an integrally formed plug-in column 711, the fixed base 41 is provided with a plug-in groove 812, the plug-in column 711 is movably inserted into the plug-in groove 812, and the moving direction of the plug-in column 711 and the opening direction of the movable cavity 411 are arranged in the same direction. The fourth spring 72 is sleeved on the plug-in column 711, and two ends of the fourth spring 72 respectively prop against the fixed base 41 and the key seat 71; the fourth spring 72 can always generate an elastic force acting on the key pad 71, thereby forcing the key pad 71 to move outwards and normally abut against the inner wall of the upper case 31.

In this embodiment, the plug-in posts 711 and the fourth springs 72 are provided with two groups, and are symmetrically disposed on two opposite sides of the movable cavity 411, so as to improve the stability of the movement of the key pad 71 in the movable cavity 411. The key seat 71 is provided with an integrally formed pressing part 713, and the pressing part 713 and the plug-in post 711 are respectively arranged on two opposite side surfaces of the key seat 71; referring to fig. 4, the outer side surface of the upper case 31 is provided with a structural opening 311 communicating with the inside, and the key seat 71 is forced to move outwards under the elastic force of the fourth spring 72, so that the pressing part 713 is normally located inside the structural opening 311, so that a user can press the pressing part 713 conveniently.

In addition, returning to fig. 5, the opening and closing mechanism 7 further comprises a movable pulley, a fixed pulley, a second pull rope, a buckle 73 and a shifting block 74, wherein the movable umbrella nest 6 is provided with a first wheel seat, and the movable pulley is rotatably arranged on the first wheel seat; the fixed umbrella nest 5 is provided with a second wheel seat, and the fixed pulley is rotatably arranged on the second wheel seat. One end of the second stay cord is fixedly connected to the fixed umbrella nest 5, the other end of the second stay cord is fixedly connected to the buckling head 73 after sequentially bypassing the movable pulley and the fixed pulley, and the buckling head 73 is movably arranged inside the inner pipe rod 21.

Referring to fig. 6, a first bayonet 231 is provided on a side surface of the outer tube rod 23, an inner fastening portion 712 that is fastened with the first bayonet 231 is provided on a part of the key seat 71, and in the collapsed state, the outer tube rod 23 is retracted into the umbrella head, and the key seat 71 can force the inner fastening portion 712 to be fastened into the first bayonet 231 under the elastic force of the fourth spring 72. The side of the inner pipe rod 21 is provided with a second bayonet 211 which is matched and buckled with the buckling head 73, the inner side of the inner pipe rod 21 is provided with a reset elastic sheet 24, the buckling head 73 moves to a position opposite to the second bayonet 211 in the umbrella-closing state, and the reset elastic sheet 24 can force the buckling head 73 to be automatically buckled into the second bayonet 211.

The shifting block 74 is rotationally connected to the key seat 71 through a torsion spring, the shifting block 74 is always opposite to the second bayonet 211, the key seat 71 is pressed for the first time in the umbrella folding state, the inner buckling part 712 can leave the first bayonet 231, the umbrella stand 1 is automatically opened, and at the moment, the shifting block 74 is automatically reset to be opposite to the second bayonet 211 under the torsion force of the torsion spring; in the open state, the button seat 71 is pressed for the second time, and the pulling block 74 can force the buckle head 73 to leave the second bayonet 211, so that the umbrella stand 1 is folded. It should be noted that the specific structure of the opening and closing mechanism 7 is a conventional design in the art, and is not the focus of protection, so detailed description will not be repeated.

Returning to fig. 3, after the side fastening seat 42 is inserted into the fixed base 41, an installation cavity 43 is formed between the side fastening seat 42 and the fixed base 41; referring to fig. 4, a side of the side fastening seat 42 away from the fixing base 41 is provided with a first shaft hole 422 communicating with the installation cavity 43, and a side of the fixing base 41 away from the side fastening seat 42 is provided with a second shaft hole 413 communicating with the installation cavity 43.

Referring to fig. 4 and 5, the anti-air-spring mechanism 8 includes a rotating member 81, a limiting member 82, a first pull rope 83 and a spring 84, wherein an integrally formed rotating shaft portion 811 is provided on one end surface of the rotating member 81, and an outer diameter of the rotating shaft portion 811 is equal to an inner diameter of the first shaft hole 422, and the rotating member 81 is in clearance fit with the first shaft hole 422, so that the rotating member 81 can be rotatably mounted on the side fastening seat 42 through the rotating shaft portion 811; the end of the rotator 81 remote from the rotation shaft 811 is connected with a ratchet member 85.

Specifically, referring to fig. 7, an end surface of the ratchet member 85 is provided with a plugging portion 851, the plugging portion 851 and the ratchet member 85 are integrally formed, and an outer diameter of the plugging portion 851 is equal to an outer diameter of the second shaft hole 413, and the plugging portion 851 and the second shaft hole are in clearance fit; the end surface of the rotating member 81 far away from the rotating shaft portion 811 is provided with a plugging groove 812, the plugging portion 851 is in plugging fit with the plugging groove 812, the outer circumferential surface of the plugging portion 851 is provided with a strip-shaped groove 852, and the inner side surface of the plugging groove 812 is integrally formed with a strip-shaped convex portion 813.

After the insertion portion 851 passes through the second shaft hole 413 and is inserted into the insertion groove 812, the bar-shaped protrusion 813 is matched into the bar-shaped groove 852, so that circumferential linkage between the ratchet member 85 and the rotating element 81 can be realized, that is, the rotating element 81 can drive the ratchet member 85 to rotate together when rotating. It should be noted that, returning to fig. 3, the ratchet member 85 of the present application can be located inside the lower case 32 after the installation is completed, so that the repair or replacement can be conveniently performed when the components are damaged; the ratchet member 85 can also abut against the inner wall of the lower case 32, and the occurrence of the ratchet member 85 and the rotator 81 coming off from each other can be reduced.

Referring to fig. 5, an annular groove 814 is partially formed on the outer circumferential surface of the rotating member 81, the first pull rope 83 is wound around the annular groove 814, one end of the first pull rope 83 is connected to the rotating member 81, and the other end is connected to the fixed umbrella nest 5; the spring 84 is connected between the rotating member 81 and the side buckle seat 42, and the spring 84 can always generate a torsion force acting on the rotating member 81, so as to force the rotating member 81 to rotate and reset and normally wind up the first pull rope 83.

Specifically, referring to fig. 8, a first hook groove 8111 is formed in an end surface of the rotating part 811 remote from the rotating part 81, and referring to fig. 4, a second hook groove 423 is formed in the side fastening seat 42 during injection molding, and both the first hook groove 8111 and the second hook groove 423 are provided as V-shaped grooves; the mainspring 84 is wound around the rotation shaft portion 811, one end of the mainspring 84 is engaged with the first hook groove 8111, and the other end of the mainspring 84 is engaged with the second hook groove 423. In the present embodiment, the depth of the first hook groove 8111 is greater than the depth of the second shaft hole 413, and after one end of the spring 84 is engaged into the first hook groove 8111 during the installation of the spring 84, the rotating shaft portion 811 is inserted into the first shaft hole 422, and the spring 84 can enter the bottom of the first hook groove 8111 and be located in the installation cavity 43, which has the advantages of restricting the release of the spring 84 and facilitating the installation.

Returning to fig. 5, the limiting member 82 includes a movable frame 821 and an extension block 822, wherein a side surface of the fixed base 41 away from the side fastening seat 42 is provided with a first chute 414, the movable frame 821 is slidably mounted in the first chute 414, and a sliding direction of the movable frame 821 is set in the same direction as a telescopic direction of the telescopic umbrella handle 2. The second shaft hole 413 is provided in the inner bottom wall of the first chute 414, and after the ratchet member 85 is connected to the rotator 81, the ratchet member 85 can be positioned inside the moving frame 821; the movable frame 821 is provided with a pawl 823 integrally formed therein, and the pawl 823 is capable of being engaged with the ratchet member 85 to limit the reverse rotation of the ratchet member 85.

The extension block 822 is fixedly connected to the side surface of the movable frame 821, which is close to the umbrella stand 1, and the extension block 822 and the movable frame 821 are integrally formed; the outside of the extension block 822 is integrally formed with a slide bar portion 824. Referring to fig. 4, the fixed base 41 is provided with a second chute 415, and the extending direction of the second chute 415 is in the same direction as the extending direction of the telescopic umbrella handle 2; by engaging the slide bar section 824 with the second slide groove 415, the stopper 82 can be slidably attached to the fixed base 41.

The fixed base 41 is integrally formed with a limiting block 416, and the limiting block 416 is positioned on the inner side of the movable frame 821; a first spring 86 is arranged between the extension block 822 and the base assembly 4, one end of the first spring 86 is propped against the limiting block 416, and the other end is propped against the extension block 822; the first spring 86 can always generate an elastic force acting on the extension block 822, and force the extension block 822 to move in a direction approaching the umbrella frame 1.

In a specific use, in an umbrella-retracted state, the buckle 73 can abut against the extension block 822 and force the movable frame 821 to move in a direction away from the umbrella stand 1, and at this time, the first spring 86 is compressed under force, and the ratchet member 85 and the ratchet part are separated from each other; in the open state, the key seat 71 is pressed again, the umbrella enters the open and retracted state, at this time, the buckle head 73 is separated from the extension block 822, and the elastic force of the first spring 86 forces the movable frame 821 to move in the direction approaching the umbrella stand 1, so that the pawl 823 is clamped and limited by the ratchet member 85.

Referring to fig. 9, the quick release mechanism 9 includes a connecting rod 91 and a locking ring 92, the connecting rod 91 being fixed to a side of the fixed base 41 remote from the telescopic handle 2; the end integrated into one piece of connecting rod 91 is provided with top 911, and the external diameter of top 911 is greater than the external diameter of connecting rod 91, and the terminal surface that top 911 kept away from connecting rod 91 sets up to the sphere. The number of the locking rings 92 is two, the two locking rings 92 are slidably connected to the blocking seat 33, the two locking rings 92 can be jointly enclosed to form an integral ring, the outer diameter of the integral ring formed by enclosing is equal to the outer diameter of the plug 911, and in the assembled state, the locking rings 92 can be abutted against the side end face of the plug 911, which is close to the fixed base 41, so that locking and limiting between the blocking seat 33 and the fixed base 41 are realized.

Moreover, the side end surface of the top 911, which is close to the fixed base 41, is concavely provided, and the side surface of the locking ring 92, which is far away from the fixed base 41, is locally provided with an outer protrusion 921, and the outer protrusion 921 can be matched and limited with the concaved area of the top 911, so as to improve the stability of mutual abutting limitation between the top 911 and the locking ring 92, and further improve the stability when the blocking seat 33 is connected with the fixed base 41.

An unlocking component is arranged between each locking ring 92 and the lower shell 32 and is used for unlocking the locking limit between the locking ring 92 and the top 911; specifically, the unlocking assembly includes a fixed post 93, a movable post 94 and a knob seat 95, the outer side surface of the lower shell 32 is provided with a rotation groove 321 communicated with the inside, and the knob seat 95 is rotatably mounted in the rotation groove 321. In addition, referring to fig. 10, a limiting groove 322 is partially formed on the inner circumferential wall of the rotating groove 321, a limiting portion 952 is integrally formed on the outer circumferential surface of the knob seat 95, and when the knob seat 95 is mounted in the rotating groove 321, the limiting portion 952 can be located inside the limiting groove 322; a third spring 97 is also arranged in the limiting groove 322, one end of the third spring 97 is propped against the limiting part 952, and the other end is propped against the inner end wall of the limiting groove 322; the third spring 97 can generate elastic force acting on the limiting portion 952, so that the limiting portion 952 is forced to be normally abutted against the other inner end wall of the limiting groove 322.

Referring to fig. 11, a fixing post 93 is fixed to an outer arc surface of the lock ring 92, and an end surface of the fixing post 93 has a rectangular shape; an assembly groove is formed in one end face of the movable column 94, the movable column 94 is movably sleeved on the fixed column 93 through the assembly groove, a second spring 96 is arranged between the movable column 94 and the fixed column 93, one end of the second spring 96 abuts against the fixed column 93, and the other end abuts against the bottom wall in the assembly groove; the second spring 96 is in a normally compressed state, and can always generate an elastic force acting on the movable column 94 to urge the movable column 94 to move away from the fixed column 93, and can also keep the two lock rings 92 in a mutually abutted state.

Referring also to fig. 9, the cross-sectional shape of the movable column 94 in this embodiment is set to be elliptical; the side of the knob seat 95 is coaxially provided with a through hole 951, the cross section of the through hole 951 is also elliptical, and the movable column 94 is inserted and matched with the through hole 951; in a natural state, the second spring 96 forces the limiting part 952 to abut against the inner end wall of the limiting groove 322, so that the knob seat 95 can be rotated to a state that the movable column 94 is dislocated with the through hole 951; when the shell 32 needs to be disassembled, the knob seat 95 is forced to rotate, the knob seat 95 rotates to a position where the movable column 94 is opposite to the through hole 951, the elastic force of the second spring 96 can force the movable column 94 to move outwards and be located on the outer side of the lower shell 32 partially, and at the moment, the movable column 94 can be conveniently forced, so that the locking ring 92 can move to the outer side of the top 911 to release the limit of the top 911, and smooth disassembly of the baffle seat 33 is facilitated.

The implementation principle of the safety protection self-opening and closing umbrella provided by the embodiment of the application is as follows:

When the button seat 71 is pressed twice to enable the folding umbrella to be in an umbrella opening and closing state, the buckling head 73 is separated from the extension block 822, and the elastic force of the second spring 96 can enable the pawl 823 to be clamped and limited with the ratchet member 85; the user pulls the movable umbrella nest 6 to retract the umbrella stand 1, the telescopic umbrella handle 2 is gradually retracted, the gap between the fixed umbrella nest 5 and the umbrella head is gradually reduced, the first stay 83 is in a loose state, the spring 84 can automatically force the rotating piece 81 to rotate and reset, and then the ratchet member 85 is driven to prop up the ratchet part 823 and rotate smoothly. When the user removes external force, utilize the reverse joint spacing between the pawl 823 and the ratchet member 85, can restrict movable umbrella nest 6 and umbrella stand 1 to be bounced the condition emergence, and then reduce the possibility that umbrella stand 1 was empty to the front bullet, improve the safety in utilization of folding umbrella, reduce the potential safety hazard.

The above is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. The safety protection self-opening and self-closing umbrella comprises an umbrella stand (1), a telescopic umbrella handle (2), an umbrella head, a fixed umbrella nest (5) and a movable umbrella nest (6), wherein the telescopic umbrella handle (2) comprises an inner pipe rod (21), a middle pipe rod (22) and an outer pipe rod (23) which are movably sleeved in sequence from inside to outside, and the umbrella head is fixed with the inner pipe rod (21); the fixed umbrella nest (5) is fixed on the outer pipe rod (23), the movable umbrella nest (6) is sleeved on the outer pipe rod (23) in a sliding manner, and the umbrella stand (1) is connected between the fixed umbrella nest (5) and the movable umbrella nest (6) so as to realize folding of the umbrella stand (1); the method is characterized in that:

The umbrella head comprises a shell assembly (3) and a base assembly (4) fixed in the shell assembly (3), wherein the base assembly (4) is provided with an opening and closing mechanism (7) for automatically opening and closing the umbrella stand (1) and an air defense mechanism (8) for limiting rebound of the umbrella stand (1); wherein,

The anti-air spring mechanism (8) comprises a rotating piece (81), a limiting piece (82), a first stay cord (83) and a clockwork spring (84), wherein the rotating piece (81) is rotatably arranged on the base assembly (4); an annular groove (814) for winding a first stay rope (83) is formed in part of the outer peripheral surface of the rotating piece (81), one end of the first stay rope (83) is connected with the rotating piece (81), and the other end of the first stay rope is connected with the fixed umbrella nest (5); the clockwork spring (84) is connected between the rotating piece (81) and the base assembly (4) and is used for forcing the rotating piece (81) to rotate and reset and normally winding the first stay cord (83);

The limiting piece (82) comprises a movable frame body (821) arranged on the base assembly (4) in a sliding mode and an extension block (822) fixed on the movable frame body (821) and close to one side face of the telescopic umbrella handle (2), and the moving direction of the movable frame body (821) and the telescopic direction of the telescopic umbrella handle (2) are arranged in the same direction; a pawl part (823) is integrally formed on the inner side surface of the movable frame body (821) far away from the extension block (822), and one end of the rotating piece (81) is connected with a ratchet component (85) which is in clamping fit with the pawl part (823); a first spring (86) is arranged between the extension block (822) and the base assembly (4), and in the umbrella-opening and retraction state, the first spring (86) forces the pawl part (823) to be clamped and limited with the ratchet component (85) in a matching mode.

2. The safety self-opening and closing umbrella of claim 1, wherein: the base assembly (4) comprises a fixed base (41) and a side buckle seat (42), and the inner pipe rod (21) is fixedly connected to the fixed base (41); the side buckling seat (42) is detachably connected to the fixed base (41), and a mounting cavity (43) for mounting the rotating piece (81) is formed between the side buckling seat (42) and the fixed base (41);

One end of the rotating piece (81) far away from the ratchet component (85) is provided with a rotating shaft part (811), and the side buckle seat (42) is provided with a first shaft hole (422) for the rotating shaft part (811) to rotate and install; the end face of the rotating part (81) far away from the rotating part (811) is provided with a first hook groove (8111), the side buckle seat (42) is provided with a second hook groove (423), the spiral spring (84) is wound around the rotating part (811), and two ends of the spiral spring (84) are respectively correspondingly clamped in the first hook groove (8111) and the second hook groove (423).

3. The safety protection self-opening and closing umbrella of claim 2, wherein: the shell assembly (3) comprises an upper shell (31), a lower shell (32) and a blocking seat (33), wherein the upper shell (31) and the lower shell (32) are of tubular structures which are axially communicated, and the fixed base (41) is fixedly arranged in the upper shell (31); the baffle seat (33) is fixed at one end of the lower shell (32), a quick-release mechanism (9) is arranged between the baffle seat (33) and the fixed base (41), after the baffle seat (33) is connected to the fixed base (41) through the quick-release mechanism (9), the upper shell (31) is tightly abutted to the lower shell (32), and the side buckle seat (42) is positioned at the inner side of the lower shell (32).

4. A safety self-opening and closing umbrella as claimed in claim 3, wherein: the quick-release mechanism (9) comprises a connecting rod (91) and a locking ring (92), wherein the connecting rod (91) is fixed on one side surface of the fixed base (41) far away from the telescopic umbrella handle (2), a plug (911) is arranged at the end part of the connecting rod (91), and the outer diameter of the plug (911) is larger than that of the connecting rod (91);

the locking rings (92) are connected to the blocking seat (33) in a sliding mode, two locking rings (92) are arranged, the two locking rings (92) are enclosed together to form a whole ring, and the outer diameter of the whole ring is matched with the outer diameter of the plug (911); when the assembly is completed, the locking ring (92) is abutted against the side end surface of the plug (911) close to the fixed base (41);

an unlocking component is arranged between each locking ring (92) and the lower shell (32) and used for unlocking the locking limit between the locking ring (92) and the plug (911).

5. The self-opening and self-closing safety protection umbrella as claimed in claim 4, wherein: the unlocking assembly comprises a fixed column (93), a movable column (94) and a knob seat (95), the lower shell (32) is provided with a rotating groove (321), and the knob seat (95) is rotatably arranged in the rotating groove (321); a through hole (951) is coaxially formed in the side surface of the knob seat (95), and the cross section of the through hole (951) is elliptical;

The fixed column (93) is fixed on the outer cambered surface of the locking ring (92), the movable column (94) is movably sleeved on the fixed column (93), a second spring (96) is arranged between the movable column (94) and the fixed column (93), and the second spring (96) is in a normal compression state; the shape of the movable column (94) is matched with that of the through hole (951), and when the knob seat (95) rotates to a state that the movable column (94) is opposite to the through hole (951), the second spring (96) forces the movable column (94) to pass through the through hole (951) and be located on the outer side of the lower shell (32) partially.

6. The self-opening and self-closing safety protection umbrella as claimed in claim 5, wherein: a limiting groove (322) is formed in part of the inner peripheral wall of the rotating groove (321), a limiting part (952) is arranged on the outer peripheral surface of the knob seat (95), and the limiting part (952) is movably arranged in the limiting groove (322); a third spring (97) is arranged between the limiting part (952) and the inner end wall of the limiting groove (322), and the third spring (97) is used for forcing the knob seat (95) to rotate to a state that the movable column (94) is dislocated with the perforation (951).

7. The self-opening and self-closing safety protection umbrella as claimed in claim 4, wherein: the side end surface of the top (911) close to the fixed base (41) is concavely arranged, and the locking ring (92) is locally provided with an outer convex part (921) which is matched with the concaved area for limiting.

8. A safety self-opening and closing umbrella as claimed in claim 3, wherein: the side surface of the fixed base (41) is provided with an inserting hole (421), the side buckle seat (42) is fixed with an inserting column (412), and the inserting column (412) is inserted in the inserting hole (421) in a matching way; after the baffle seat (33) is inserted into the fixed base (41), the side buckling seat (42) and the fixed base (41) are respectively abutted against the inner wall of the lower shell (32), and the side buckling seat (42) and the fixed base (41) are mutually abutted.

9. The safety protection self-opening and closing umbrella of claim 2, wherein: the fixed base (41) is provided with a first chute (414) for sliding installation of the movable frame body (821), and a second shaft hole (413) communicated with the installation cavity (43) is formed in the inner bottom wall of the first chute (414); an inserting part (851) is arranged on the end surface of the ratchet component (85), the inserting part (851) is in inserting fit with the second shaft hole (413), and a strip-shaped groove (852) is formed in the outer peripheral surface of the inserting part (851); one end of the rotating piece (81) far away from the rotating shaft part (811) is provided with a plug-in groove (812), and the plug-in part (851) is in plug-in fit with the plug-in groove (812); the inner side surface of the inserting groove (812) is provided with a strip-shaped convex part (813), and the strip-shaped convex part (813) and the strip-shaped groove (852) are matched and limited.

10. The safety protection self-opening and closing umbrella of claim 2, wherein: the fixed base (41) is provided with a movable cavity (411), and the opening direction of the movable cavity (411) is perpendicular to the axial direction of the telescopic umbrella handle (2); the opening and closing mechanism (7) comprises a key seat (71) movably arranged in the movable cavity (411) and a fourth spring (72) arranged between the key seat (71) and the fixed base (41), and the fourth spring (72) is used for forcing the key seat (71) to be normally abutted against the inner wall of the upper shell (31); the outer side surface of the upper shell (31) is provided with a structure opening (311) communicated with the inside, and the key seat (71) is provided with a pressing part (713) which is normally positioned in the structure opening (311).