A manually rotating folding square tube outdoor center column umbrella

Abstract

The invention discloses a manual rotating folding square tube outdoor center column umbrella, comprising: an umbrella seat; a center column assembly, an umbrella body, which is composed of a movable umbrella plate, a fixed umbrella plate and an umbrella rib assembly; a rotating folding assembly, the upper part of which is a folding mechanism, and the lower part is a rotating mechanism; the folding mechanism comprises an upper folding tube, a button and a lower folding tube, and the rotating mechanism comprises a rotating switch and a rotating tube sleeve with a reset spring, and the rotating switch is connected with the lower folding tube and the rotating tube sleeve through a concave and convex notch. The invention designs the center column as a square tube and divides it into three sections, and realizes the rotation and folding functions of the umbrella body by arranging a rotating folding mechanism at the connection between the upper and middle sections, which can rotate 360° and fold at ±30°. At the same time, a ratchet mechanism is arranged at the connection between the middle and lower sections, and the opening and closing of the umbrella body is realized by connecting the movable umbrella plate with a pull rope. The whole structure is compact, the sunshade effect is greatly improved, the center column is easy and simple to insert, and it is convenient to assemble and disassemble.

Description

Technical Field

[0001] The invention relates to the technical field of outdoor umbrellas, and in particular to a manually rotatable angled square tube outdoor center-column umbrella. Background Art

[0002] Outdoor umbrellas are often used to block the sun, wind and rain. When it rains, the rain will change the direction of its fall with the wind direction. When it is sunny, the sun will also change the angle of its illumination with the change of time. Therefore, it is very necessary to adjust the direction of the umbrella surface in time. Most of the existing outdoor umbrella columns are in the shape of a round tube, without the function of turning or rotating. They are mostly integral structures and cannot be disassembled. The opening and closing of the umbrella surface is also a traditional spring structure, which requires pressing down to close or pushing up to open the umbrella. The umbrella surface of the outdoor umbrella is tall and heavy, and it is more laborious to operate. Summary of the invention

[0003] The object of the present invention is to provide a manually rotating folding square tube outdoor center column umbrella, which can realize 360-degree horizontal rotation of the umbrella body and folding of the umbrella surface, and control the opening and closing of the umbrella surface by pulling ropes.

[0004] The technical problem solved by the present invention can be achieved by adopting the following technical solutions:

[0005] A manually rotating folding angle square tube outdoor center column umbrella, comprising: an umbrella seat; a center column assembly, which is a square tube structure, and is composed of a center column upper section, a center column middle section and a center column lower section; the center column lower section is installed on the umbrella seat; an umbrella body, which is composed of a movable umbrella plate, a fixed umbrella plate and an umbrella rib assembly; the movable umbrella plate is sleeved on the center column assembly and can move up and down on the center column assembly; the fixed umbrella plate is fixedly arranged on the top of the center column assembly and is connected to the movable umbrella plate through the umbrella rib assembly; a rotating folding angle assembly is connected to the center column upper section and the center column middle section, and the upper part is a folding Angle mechanism, the lower part is a rotating mechanism; the angle mechanism includes an upper angle tube with a plurality of identical key slots at the lower end fixedly connected to the upper section of the center column, a key matched with the key slots and a lower angle tube pivotally connected to the upper angle tube, the rotating mechanism includes a rotating switch and a rotating tube sleeve with a return spring fixedly installed in the middle section of the center column, the rotating switch is connected to the lower angle tube through a concave-convex notch, the rotating switch is also connected to the rotating tube sleeve through a concave-convex notch, and the lower angle tube and the rotating tube sleeve are detachably connected.

[0006] Preferably, it also includes a spring pick, which is arranged in the lower section of the center column tube near the upper end surface and is connected to a handle shell installed at the lower end of the middle section of the center column through a buckle to achieve rapid assembly and disassembly of the middle section of the center column and the lower section of the center column.

[0007] Preferably, it also includes an umbrella body opening and closing assembly, which is arranged on the handle shell and is provided with a handle connected to a ratchet mechanism. The ratchet mechanism is provided with a pull rope, and the pull rope passes through a pulley arranged on the fixed umbrella plate and is connected to the movable umbrella plate.

[0008] Preferably, the ratchet mechanism is fixed to the middle section of the center column in the handle shell through a rope collection bracket.

[0009] Preferably, the ratchet mechanism is connected to a handle for rotation, and the handle is foldable.

[0010] Preferably, a connecting column is provided at the lower end of the lower angle tube, passes through the rotating tube sleeve, and is locked and fixed with a nut.

[0011] Preferably, bearings are provided on the upper and lower parts of the rotating sleeve, and the bearing sleeves are arranged on the connecting column.

[0012] Preferably, a return spring is provided at the tail end of the button.

[0013] Preferably, a nylon sleeve is provided in the lower tube body of the rotating sleeve.

[0014] Preferably, a lower connecting tube is provided outside the lower section of the middle column, the lower connecting tube is connected and fixed to the umbrella seat, and the lower section of the middle column is inserted into the lower connecting tube and fixed by a fastening screw.

[0015] The present invention designs the middle column as a square tube and divides it into three sections. A rotating and folding mechanism is provided at the connection between the upper and middle sections to realize the rotation and folding functions of the umbrella body. The umbrella body can rotate 360° and fold at ±30°. At the same time, a ratchet mechanism is provided at the connection between the middle and lower sections. The movable umbrella plate is connected by a pull rope to realize the opening and closing of the umbrella body. The whole structure is compact, the sunshade effect is greatly improved, the middle column is easy and simple to insert, and it is convenient to assemble and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 It is the overall and disassembly diagram of the rotating angle mechanism.

[0018] Figure 3 This is a disassembly diagram of the angle folding mechanism.

[0019] Figure 4 It is a schematic diagram of the lower angle tube.

[0020] Figure 5 is a schematic diagram of a rotary switch.

[0021] Figure 6 is a schematic diagram of a spring pick.

[0022] Figure 7 It is a cross-sectional view of the installation of the spring paddle and the umbrella opening and closing assembly.

[0023] Figure 8 This is a disassembled diagram of the umbrella opening and closing components.

[0024] Fig. 9 is a schematic diagram of the ratchet mechanism.

[0025] Fig.10 It is a schematic diagram of the handle being folded.

[0026] Fig.11 It is a schematic diagram of the rope winding.

[0027] In the figure, 1 is an umbrella seat, 2 is a middle column assembly, 3 is an umbrella body, 4 is a rotating angle assembly, 5 is a spring paddle, 6 is an umbrella body opening and closing assembly, 7 is a pulley, 21 is an upper section of a middle column, 22 is a middle section of a middle column, 23 is a lower section of a middle column, 24 is a connecting pipe, 25 is a fastening screw, 31 is a movable umbrella plate, 32 is a fixed umbrella plate, 33 is an umbrella rib assembly, 34 is an umbrella top cover, 331 is a lower umbrella rib, 332 is an upper umbrella rib, 41 is an upper angle tube, 42 is a button, 43 is a lower angle tube, 44 is a rotating shaft, 45 is a rotating switch, 46 is a spring, 47 is a rotating tube sleeve, 48 is a connecting column, 41 is a key slot, 421 is a pressing end, 422 is a protrusion, 423 is a button Key spring, 424 spring hole, 431 key slide, 432 groove, 451 upper boss, 452 lower boss, 461 spring sleeve, 471 notch, 481 nut, 482 nylon sleeve, 483 bearing, 51 buckle, 52 spring piece, 53 pressing piece, 54 button, 61 handle shell, 62 ratchet mechanism, 63 handle, 64 rope collection bracket, 65 pull rope, 611 left handle shell, 612 right handle shell, 613 lower handle shell, 621 winding shaft, 622 ratchet, 623 binding column, 624 pawl, 625 torsion spring, 626 rotating block, 631 socket. DETAILED DESCRIPTION

[0028] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments, but the embodiments of the present invention are not limited thereto.

[0029] Figures 1 to 11 It is a preferred solution of the present invention, comprising an umbrella base 1, a center column assembly 2 and an umbrella body 3.

[0030] The center column assembly 2 is a square tube structure, consisting of a center column upper section 21, a center column middle section 22 and a center column lower section 23; a lower connecting pipe 24 is provided on the lower part of the center column lower section 23, and the lower connecting pipe 24 is connected and fixed to the umbrella base 1. The center column lower section 23 is inserted into the lower connecting pipe 24 and fixed by a fastening screw 25.

[0031] The umbrella body 3 is composed of a movable umbrella plate 31, a fixed umbrella plate 32 and an umbrella rib assembly 33; the movable umbrella plate 31 is sleeved on the middle column assembly 2, can move up and down on the middle column assembly 2, and is connected to the lower umbrella rib 331 of the umbrella rib assembly 33; the fixed umbrella plate 32 is fixedly arranged at the top of the middle column assembly 2, connected to the upper umbrella rib 332 of the umbrella rib assembly 33, and the upper umbrella rib 332 is hingedly connected to the lower umbrella rib 331; an umbrella top cover 34 is also provided above the fixed umbrella plate 32 for pressing the umbrella cloth.

[0032] A rotating angle component 4 is provided at the connection between the upper section 21 of the center column and the middle section 22 of the center column. The upper part of the rotating angle component 4 is an angle mechanism, and the lower part is a rotating mechanism; the angle mechanism includes an upper angle tube 41 with a plurality of identical key grooves 411 at the lower end fixedly connected to the upper section 21 of the center column, a key 42 matching the key groove 411 and a lower angle tube 43 pivotally connected to the upper angle tube 41, and a rotating shaft 44 is provided at the pivot joint. The lower end of the upper angle tube 41 is arc-shaped, and the number of key grooves 411 is determined by the angle angle and the arc length of the lower end of the upper angle tube 41. In this embodiment, the rotating shaft 44 is a pair of locking screws, and the upper angle tube 41 can swing left and right around the rotating shaft 44 by ±30°. In this embodiment, there are three gears of -30°, 0°, and +30°, and the tube edge of the lower angle tube 43 is a swing limiter. A key slide groove 431 is provided in the lower angle tube 43, and the pressing end 421 of the key 42 is arranged on the outer side of the lower angle tube 43. A protrusion 422 is provided at the tail end (i.e., the end inserted into the key groove) to cooperate with the key groove 411. When the angle needs to be folded, the button 42 is pressed, and the protrusion 422 will move forward and disengage from a key groove 411 that cooperates with it, and the upper angle tube 43 can be rotated. A spring hole 424 for installing a key spring 423 is provided under the protrusion 422, and the other end of the key spring 423 is against the inner wall of the lower angle tube 43. After the button 42 is pressed, the key spring 423 is compressed, and when the button 42 is released, the key spring 423 is reset, and the protrusion 422 is pushed into another key groove 411 after the angle is folded and fixed again.

[0033] The rotating mechanism includes a rotating switch 45 and a rotating sleeve 47 with a return spring 46 fixedly mounted on the middle section 22 of the center column. The rotating switch 45 is a square tube, and the interior is divided into an upper and a lower layer. The upper layer is provided with a plurality of upper bosses 451. The upper bosses 451 and the upper end surface of the rotating switch 45 have a section of smooth tube wall. The upper bosses 451 cooperate with the same number of grooves 432 opened on the lower outer wall of the lower angle tube 43. The lower part of the rotating switch 45 is also provided with a plurality of lower bosses 452. The platform 452 is arranged on the same straight line as the upper boss 451, and there is a section of smooth tube wall at the same distance from the lower end surface of the rotary switch 45. The lower boss 452 cooperates with the same number of notches 471 opened on the upper outer wall of the rotating tube sleeve 47. The notches 471 are higher than the height of the lower boss 452 (sufficient downward movement distance of the boss). A reset spring 46 is provided between the rotary switch 45 and the rotating tube sleeve 47. A spring sleeve 461 is provided outside the spring 46, which is equal to the outer diameter of the middle column component 2, making the overall uniform and beautiful. The lower part of the rotating sleeve 47 is fixedly mounted on the middle section 22 of the middle column, and a connecting column 48 is provided in the inner cavity. The upper end of the connecting column 48 is detachably connected to the lower angle tube 43, and the lower end is locked by a nut 481. A nylon sleeve 482 is also provided at the lower part of the connecting column 48. The nylon sleeve 482 is cylindrical with a boss, and the boss is inserted upward into the lower tube of the rotating sleeve 47. The rotating sleeve 47 is provided with a corresponding limit, and the nylon sleeve 482 is locked and fixed by a nut 481 to reduce the shaking of the connecting column 48 and improve its stability. The upper and lower parts of the connecting column 48 are provided with bearings 483 to assist in rotation. In a normal state, the upper boss 451 of the rotary switch 45 is engaged with the groove 432 of the lower angle tube 43, and the lower boss 452 is engaged with the notch 471 of the rotary tube sleeve 47. When the umbrella body needs to be rotated, the rotary switch 45 is pulled downward to disengage the upper boss 451 from the groove 432, the limit is released, and the spring 46 is compressed. At this time, the upper part of the umbrella body can be rotated, the rotary switch 45 is released, the spring 46 is reset, and the upper boss 451 is re-engaged in the groove 432 for limit. In this embodiment, four lower bosses 452 and four upper bosses 451 are respectively provided, corresponding to the same number of grooves 432 and notches 471. When the upper umbrella body rotates 360°, there are four gears of 0°, 90°, 180°, and 270°.

[0034] A spring paddle 5 and an umbrella opening and closing assembly 6 are provided at the connection between the middle section 22 of the middle column and the lower section 23 of the middle column. The spring paddle 5 is arranged in the tube of the lower section 23 of the middle column near the upper end surface, and is connected to a handle shell 61 of the umbrella opening and closing assembly 6 installed at the lower end of the middle section 23 of the middle column through a buckle 51, so as to realize the rapid assembly and disassembly of the middle section 22 of the middle column and the lower section 23 of the middle column. The spring paddle 5 is spiral-shaped, with a spring piece 52 suspended at the lower end in the middle, and a pressing piece 53 suspended at the upper end on the outer side. The spring piece 52 is folded outwardly against the middle part of the pressing piece 53, and a paddle button 54 is provided on the lower side of the pressing piece 53 to the outside, and a buckle 51 is provided on the upper side. A clearance hole (not shown in the figure) is opened at the lower section 23 of the middle column corresponding to the buckle 51 and the button 54. After installation, the button 54 is exposed outside the middle column assembly 2, and the buckle 51 is connected to the handle shell 61 of the umbrella opening and closing assembly 6. By pressing the button 54 , the pressing piece 53 presses the spring piece 52 inward, and the buckle 51 is separated from the handle shell 61 , so that the middle section 22 of the center column can be quickly separated from the lower section 23 of the center column.

[0035] The umbrella opening and closing assembly 6 includes a handle shell 61, a ratchet mechanism 62 and a handle 63. The upper end of the handle shell 61 is connected to the middle section 22 of the center column, and the lower end is connected to the lower section 23 of the center column. It is composed of a left handle shell 611, a right handle shell 612 and a lower handle shell 613. The left handle shell 611 and the right handle shell 612 are fastened together by screws and then inserted into the lower handle shell 613 to form a cavity inside, which wraps the lower end portion of the middle section 22 of the center column and the upper end portion of the lower section 23 of the center column, and the ratchet mechanism 62 is installed therein. The ratchet mechanism 62 includes a winding shaft 621 and a ratchet wheel 622, which are fixed to the middle section 22 of the middle column in the handle shell 61 through a rope receiving bracket 64. The rope receiving bracket 64 is two relatively arranged middle protruding special-shaped plates installed in the handle shell 61, and the middle protruding positions are provided with rotation holes. The two ends of the ratchet mechanism 62 are respectively movably sleeved in the middle position of the two plates to avoid collision with the handle shell 61 during rotation. A pull rope 65 is fixed to the winding shaft 621. In this embodiment, a protruding binding column 623 is provided on the winding shaft 621 to fix the pull rope 65. A ratchet 624 is provided on the circumferential surface of the ratchet wheel 622, and the ratchet 624 is rotatably installed on the inner side wall of the handle shell 61 through a torsion spring 625. A square handle rotating block 626 is provided on one end face of the ratchet mechanism 62, which is connected to the handle 63. A plug hole 631 is provided on the handle 63 at the position corresponding to the handle rotating block 626. Alternatively, the ratchet mechanism 62 may be provided with a groove hole, and the handle 63 may be provided with a protrusion. After the two are installed in coordination, the ratchet mechanism 62 can be driven to rotate by the handle 63. The handle 63 is foldable, which is safer and more beautiful. The pull rope 65 passes through the middle column assembly 2 and comes out from the upper part of the middle column upper section 21. A pulley 7 is provided on the outside of the middle column upper section 21. The pulley 7 can be a pair or a single one. In this embodiment, a pair is provided on both sides of the middle column upper section 21 near the upper end, so that the pulling is more stable. The pull rope 65 is divided into two here, bypassing the two pulleys 7 downward, and the ends are connected and fixed to both sides of the movable umbrella plate 31. By turning the handle 63, the ratchet mechanism 62 rotates, and the winding shaft 621 rotates to retract and release the pull rope 65, thereby controlling the opening and closing of the umbrella surface by pulling the movable umbrella plate. When the rope is retracted, the umbrella is opened, and when the rope is released, the umbrella is closed by the dead weight of the movable umbrella plate 31. After the handle 63 stops, the pawl 426 is engaged with the ratchet 622 to fix the ratchet mechanism 62.

[0036] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the protection scope of the present invention.

Claims

1. A manually rotating folding square tube outdoor center column umbrella, characterized in that: include: Umbrella seat; The center column assembly is a square tube structure, consisting of an upper center column section, a middle center column section and a lower center column section; the lower center column section is installed on the umbrella base; The umbrella body is composed of a movable umbrella plate, a fixed umbrella plate and an umbrella rib assembly; the movable umbrella plate is sleeved on the middle column assembly and can move up and down on the middle column assembly; the fixed umbrella plate is fixedly arranged on the top of the middle column assembly and connected to the movable umbrella plate through the umbrella rib assembly; A rotating angled assembly connects the upper section of the center column and the middle section of the center column, the upper part is an angled mechanism, and the lower part is a rotating mechanism; the angled mechanism comprises an upper angled tube with a plurality of identical keyways at the lower end fixedly connected to the upper section of the center column, a key matched with the keyways, and a lower angled tube pivotally connected to the upper angled tube; the rotating mechanism comprises a rotating switch and a rotating tube sleeve with a return spring fixedly mounted on the middle section of the center column; the rotating switch is connected to the lower angled tube via a concave-convex notch, the rotating switch is also connected to the rotating tube sleeve via a concave-convex notch, and the lower angled tube is detachably connected to the rotating tube sleeve; The lower outer wall of the lower angle tube is provided with a plurality of grooves, and the upper outer wall of the rotating tube sleeve is provided with a plurality of notches. The rotating switch is in the shape of a square tube, and the rotating switch is slidably arranged up and down relative to the lower angle tube and the rotating tube sleeve. The interior of the rotating switch is divided into an upper and a lower layers, and the upper layer is provided with a plurality of upper bosses, and the lower layer is provided with a plurality of lower bosses. A smooth tube wall is formed between the upper boss and the upper end surface of the rotating switch, and a smooth tube wall is formed between the lower boss and the lower end surface of the rotating switch. The lower boss and the upper boss are arranged on the same straight line, the upper boss is connected with the groove, and the lower boss is connected with the notch, and the height of the notch is greater than the height of the lower boss. The reset spring is arranged between the rotating switch and the rotating tube sleeve, and a spring sleeve with the same outer diameter as the middle column assembly is provided outside the spring. A spring paddle is arranged in the lower section of the center column near the upper end surface and is connected to a handle shell installed at the lower end of the center section of the center column through a buckle; The spring paddle is spiral-shaped, with a spring sheet in the middle with its lower end suspended in the air, a pressing sheet on the outside with its upper end suspended in the air, the spring sheet folded outwardly against the middle of the pressing sheet, a paddle button is provided below the outer side of the pressing sheet, and a buckle is provided on the top. A clearance hole is provided at the lower section of the middle column corresponding to the buckle and the button; after installation, the button is exposed outside the middle column assembly, and the buckle is connected to the handle shell of the umbrella opening and closing assembly.

2. A manually rotating folding square tube outdoor center column umbrella according to claim 1, characterized in that: It also includes an umbrella body opening and closing assembly, which is arranged on the handle shell and is provided with a handle connected to a ratchet mechanism. The ratchet mechanism is provided with a pull rope, and the pull rope is connected to the movable umbrella disc by passing through a pulley arranged on the fixed umbrella disc.

3. A manually rotating folding angle square tube outdoor center column umbrella according to claim 2, characterized in that: The ratchet mechanism is fixed to the middle section of the center column in the handle shell through a rope collection bracket.

4. The manual rotating angle-folding square tube outdoor center column umbrella according to claim 2, characterized in that: The ratchet mechanism is connected to a handle for rotation, and the handle is foldable.

5. The manually rotating folding angle square tube outdoor center column umbrella according to claim 1, characterized in that: A connecting column is provided at the lower end of the lower angle tube, passes through the rotating tube sleeve, and is locked and fixed by a nut.

6. The manually rotating folding angle square tube outdoor center column umbrella according to claim 5, characterized in that: The rotating sleeve is provided with bearings at the top and bottom, and the bearing sleeve is arranged on the connecting column.

7. The manually rotating folding square tube outdoor center column umbrella according to claim 1, characterized in that: A return spring is arranged at the tail end of the button.

8. The manually rotating angle-folding square tube outdoor center column umbrella according to claim 1, characterized in that: A nylon sleeve is arranged in the lower tube body of the rotating sleeve.

9. The manually rotating folding square tube outdoor center column umbrella according to claim 1, characterized in that: A lower connecting pipe is arranged outside the lower section of the middle column, and the lower connecting pipe is connected and fixed to the umbrella seat. The lower section of the middle column is inserted into the lower connecting pipe and fixed by a fastening screw.

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