DISPOSITIVO DE OPERÁVEL MANUALMENTE PARA ABRIR E FECHAR AUTOMATICAMENTE GUARDA-CHUVA OU GUARDA-SOL

Abstract

The present invention relates to a manually operable device for automatically opening and closing an umbrella and a parasol, and makes it possible to automatically open and close the umbrella or parasol, thus having the effect of enabling one-handed operation and thereby improving ease of use. To this end, the present invention is characterized by comprising: a screw bar (10) that is of a certain length and has a screw-shaped guide groove (11) formed along the outer circumferential surface; an ascending / descending nut (20) that is guided along the guide groove (11) to ascend and descend when the screw rod (10) rotates forward and backward; an umbrella rod (30) into which the screw rod (10) is inserted and in which a guide groove (31) for guiding a guide protrusion (21) protruding from the outer surface of the ascending / descending nut (20) is formed along the longitudinal direction; an ascending / descending bar (40) which is connected to the guide protrusion (21), forms a cylindrical shape surrounding the umbrella rod (30) so as to ascend and descend together with the ascending / descending nut (20), and has a plurality of umbrella spokes (60) formed on an outer upper portion thereof and connected in a radial shape; and a drive motor (50) provided in a lower portion to transmit forward and backward torque to the screw rod (10).

Description

1 / 17 A manually operated device for automatically opening and closing umbrellas or parasols. FIELD OF TECHNIQUE

[0001] The present invention relates to a device for automatically opening and closing an umbrella or parasol.

[0002] More specifically, a setting is provided that allows not only the opening operation, but also the closing operation of an umbrella or parasol to be performed automatically by mechanical operation.

[0003] In addition, the present invention relates to a device for automatically opening and closing an umbrella or parasol that can be operated manually in case of emergency. PREVIOUS TECHNIQUE

[0004] In general, umbrellas or parasols are sold under the name of automatic umbrellas.

[0005] When unrolling these automatic umbrellas, they are unrolled automatically by pressing a button, but must be rolled up manually when rolling up automatic umbrellas. Therefore, technically, it is more accurate to refer to the umbrellas as semi-automatic umbrellas.

[0006] Since these semi-automatic umbrellas are easy to unroll but need to be rolled up with both hands, these semi-automatic umbrellas are inconvenient to roll up when only Petition 870250084661, dated 09 / 19 / 2025, page 7 / 60 2 / 17 a hand can be used, such as when a hand is holding an object or when a hand is injured.

[0007] Furthermore, since a certain amount of force needs to be applied to bend the umbrellas, it was difficult for the elderly, children, and people with physical disabilities who have weak strength to use the umbrellas.

[0008] Furthermore, in a case where umbrellas are frequently rolled up and unrolled, such as when playing golf in the summer, where a player unrolls an umbrella to avoid sunlight while moving and rolls the umbrella up to hit a ball, the player feels the manual rolling motion is more complicated. SUMMARY OF THE INVENTION PROBLEM WITH THE TECHNIQUE

[0009] The present invention is proposed to improve the problems in the related art described above.

[0010] One objective of the present invention is to provide a device for automatically opening and closing an umbrella that allows for easy automatic opening / closing of the umbrella, while also allowing for manual operation in case of malfunction or power failure. The aim is to improve the usability of an umbrella or parasol. SOLUTION TO THE PROBLEM

[0011] In order to achieve the objective described above, a screw rod of a device to automatically open and close an umbrella of the present Petition 870250084661, dated 09 / 19 / 2025, p. 8 / 60 3 / 17 The invention is configured to have a screw-shaped guide groove formed along an outer circumferential surface of the screw shank. An up / down nut is guided along the screw-shaped guide groove and engaged with the screw shank to move up and down when the screw shank rotates back and forth.

[0012] The screw shaft is shaped to be inserted into an umbrella shaft.

[0013] The ascending / descending nut is shaped to have a protruding guide protrusion.

[0014] The umbrella shaft has, in one direction along its length, a guide groove to guide the guide protrusion.

[0015] The ascending / descending bar forms a cylindrical shape that surrounds the umbrella shaft.

[0016] The up / down bar is configured to be connected to the guide protrusion to move up and down along with the up / down nut with the guide protrusion.

[0017] Multiple umbrella spokes are connected to an outer upper portion of the ascender / descender bar in a radial pattern.

[0018] A drive motor is provided in a lower portion of the screw rod to transmit torque forward or backward to the screw rod.

[0019] In addition, the guide groove formed Petition 870250084661, dated 09 / 19 / 2025, page 9 / 60 4 / 17 of the umbrella shaft has, in a lower end portion and an upper end portion, a lower locking groove and an upper locking groove, respectively, which form an extension structure by having shapes that form right angles with the guide groove.

[0020] In the case of manual operation, a user holds the ascending / descending bar with their hand and rotates the ascending / descending bar so that the ascending / descending bar exits the locking groove formed at a right angle.

[0021] After the ascending / descending bar exits the locking groove, force is applied to move the ascending / descending bar vertically.

[0022] The ascending / descending bar can be operated manually by the guide protrusion connected to an inner side of it, which is guided to move up / down along the guide groove formed in the umbrella shaft.

[0023] In addition, a lubricating ring to reduce friction and prevent friction noise against the guide groove is formed in the guide protrusion.

[0024] An elastic spring to elastically support the rising / falling nut is provided in an upper end portion of the screw shank.

[0025] In addition, the ascending / descending bar has a structure divided into an upper ascending / descending bar to which the multiple umbrella rays are connected and a bar Petition 870250084661, dated 09 / 19 / 2025, page 10 / 60 5 / 17 lower ascending / descending bar to which the ascending / descending nut guide protrusion is connected, and the lower ascending / descending bar is rotatably connected to the upper ascending / descending bar with a connecting ring.

[0026] In addition, from an upper portion and a lower portion of the ascending / descending bar, an upper extension pipe and a lower extension pipe are provided, respectively, to extend in order to avoid external exposure of the guide groove. ADVANTAGEOUS EFFECTS OF THE INVENTION

[0027] The present invention allows the opening and closing operation of an umbrella or parasol to be performed automatically. The present invention has the effect of improving user convenience, as the umbrella or parasol can be operated with one hand.

[0028] In particular, the umbrella can be rolled up or unrolled manually in case of malfunction or power failure, thus allowing safe use even in emergency situations. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is an exploded view of an umbrella according to a first embodiment of the present invention.

[0030] Figure 2 is an assembly diagram of Figure 1. Petition 870250084661, dated 09 / 19 / 2025, p. 11 / 60 6 / 17

[0031] Figure 3 is an enlarged view of an ascending / descending bar of the present invention.

[0032] Figure 4 is a cross-sectional view of portion A in Figure 3.

[0033] Figure 5 is a view illustrating a state in which an umbrella of the present invention is unrolled and, therefore, a state in which a guide protrusion is inserted into a locking groove.

[0034] Figure 6 is a view illustrating a state in which the umbrella in Figure 5 is half rolled up, so that the guide protrusion moves along the guide groove.

[0035] Figure 7 is a view illustrating a state in which the umbrella in Figure 5 is rolled up and therefore a state in which the guide protrusion is inserted into the locking groove.

[0036] Figures 8 and 9 are views illustrating the manual upward and downward operation in the present invention.

[0037] Figure 10 is a detailed view illustrating the guide protrusion portion according to the present invention.

[0038] Figure 11 is a view illustrating a state in which a non-slip layer is formed on the ascending / descending bar of the present invention.

[0039] Figure 12 illustrates a second embodiment in which the ascending / descending bar of the present invention is divided. Petition 870250084661, dated 09 / 19 / 2025, page 12 / 60 7 / 17 BEST WAY

[0040] A device for automatically opening and closing an umbrella of the present invention to achieve the objective described above has the following configuration.

[0041] First, a screw rod is formed to have a predetermined length and to have a screw-shaped guide groove formed along an outer circumferential surface of the screw rod.

[0042] The screw shaft is shaped to be inserted into an umbrella shaft.

[0043] An up / down nut has a guide protrusion that is guided along the guide groove formed in the umbrella stem to move up and down when the screw stem rotates back and forth.

[0044] The umbrella shaft has a guide groove to guide the guide protrusion that projects from an outer surface of the ascending / descending nut, the guide groove being formed in the direction of the length of the umbrella shaft.

[0045] The ascending / descending bar forms a cylindrical shape that surrounds the umbrella shaft.

[0046] The up / down bar is configured to be connected to the guide protrusion to move up and down along with the up / down nut.

[0047] Multiple umbrella spokes are connected to an outer upper portion of the bar. Petition 870250084661, dated 09 / 19 / 2025, page 13 / 60 8 / 17 ascending / descending in a radial format. A drive motor is provided in a lower portion of the screw rod to transmit torque forward or backward to the screw rod. MODALITIES

[0048] Hereafter in this document, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0049] The embodiments of the present invention can be modified in several different examples, and the scope of the present invention should not be interpreted as limited to the embodiments to be described below in detail. These embodiments are provided to describe the present invention to those of common knowledge in the art.

[0050] Therefore, a shape or similar of a component illustrated in the drawing is shown to emphasize a clearer explanation.

[0051] In individual drawings, identical configurations are illustrated with the same numerical references.

[0052] Furthermore, detailed descriptions of a function or configuration of a known technology that could unnecessarily obscure the essence of the present invention will be omitted.

[0053] First, a configuration of a manually operable device for automatically opening and closing an umbrella according to the first Petition 870250084661, dated 09 / 19 / 2025, p. 14 / 60 9 / 17 embodiment of the present invention is as follows with reference to Figures 1 to 4.

[0054] The device for automatically opening and closing an umbrella of this type is configured to include a screw rod 10 with a predetermined length and with a screw-shaped guide groove 11 formed along an outer circumferential surface of the screw rod 10.

[0055] An up / down nut 20 that moves along the screw rod 10 is guided along the screw-shaped guide groove 11 to move up and down when the screw rod 10 rotates back and forth. The screw rod 10 is shaped to be inserted into an umbrella rod 30. In addition, the umbrella rod 30 has a guide groove 31 in the direction of the length of the umbrella rod.

[0056] The guide groove 31 is provided to guide a guide protrusion 21 projecting from an outer surface of the ascending / descending nut 20.

[0057] The ascending / descending bar 40 has a cylindrical shape around the umbrella shaft 30.

[0058] Multiple umbrella spokes 60 are connected to an outer upper portion of the ascender / descender bar 40 in a radial pattern.

[0059] The ascending / descending bar is configured to be connected to the guide protrusion 21 to move up and down together with the ascending / descending nut 20 Petition 870250084661, dated 09 / 19 / 2025, page 15 / 60 10 / 17 with the guide protrusion.

[0060] A drive motor is provided within a handle on a lower side of the screw rod 10 to transmit torque forward or backward to the screw rod.

[0061] The guide protrusion 21, which can be guided along the screw-shaped guide groove 11, projects onto an outer side of the ascending / descending nut 20.

[0062] In particular, it is observed that, in the drawings, the guide groove 31 formed in the umbrella shaft 30 has a lower end locking groove 31a and an upper end locking groove 31b in a lower end portion and an upper end portion, respectively, wherein the lower and upper locking grooves form an extension structure by having shapes that form right angles with the guide groove.

[0063] Furthermore, during manual operation, holding the ascending / descending bar 40 with the hand and rotating the ascending / descending bar in a twisted manner allows the guide protrusion 21 connected to an inner side of the ascending / descending bar to be released from the locking groove 31a or 31b and unlocked from a locked state and subsequently guided to move up and down along the guide groove 31 when force is applied vertically.

[0064] A projecting portion that fits with the screw-shaped guide groove 11 is Petition 870250084661, dated 09 / 19 / 2025, page 16 / 60 11 / 17 formed in a screw shape inside the up / down nut 20, and the up / down nut can move up and down depending on the rotation of the screw rod 10.

[0065] This configuration allows the up / down bar to move easily up and down with just a slight force.

[0066] In the drawings, drawing symbol 60 represents multiple umbrella rays that are radially connected to the ascending / descending bar 40, and drawing symbol 70 represents an umbrella cloth.

[0067] The operational effects according to the configuration operation of the device for automatically opening and closing an umbrella or parasol of the present invention are as follows.

[0068] Inside the umbrella stem 30 of the present invention, the screw rod 10 is provided together with the up / down nut 20.

[0069] The cylinder-shaped ascender / descender bar 40 has a shape that encircles an outer side of the umbrella shaft 30 and has a structure in which the multiple rays of the umbrella 60 are connected to the ascender / descender bar.

[0070] This configuration allows the umbrella opening / closing operation to be performed depending on the upward / downward operation of the up / down bar 40.

[0071] Namely, when a switch of Petition 870250084661, dated 09 / 19 / 2025, page 17 / 60 12 / 17 operation embedded in a portion of the umbrella handle is pressed, the drive motor 50, to which electricity is supplied by a power source (not illustrated) installed inside the handle, is activated.

[0072] Consequently, when the screw rod 10 that has received torque from the drive motor 50 rotates in one direction, the up / down nut 20 rises along the guide groove 31 through the screw-shaped guide groove 11.

[0073] Consequently, the ascending / descending bar 40, which is integrally connected via the guide protrusion 21 coupled to the ascending / descending nut, rises together, causing the multiple spokes of the umbrella 60 to unroll, resulting in an unrolled state of the umbrella, as illustrated in Figure 5.

[0074] In particular, since the upper locking groove 31b is formed in the upper end portion of the guide groove 31, the guide protrusion 21 can be stably fixed so that a stable umbrella opening state can be maintained.

[0075] Meanwhile, if the umbrella is rolled up again, the screw rod 10 receives reverse torque from the drive motor 50 and rotates in the reverse direction.

[0076] The ascending / descending nut 20 and the ascending / descending bar 40 descend together along the umbrella shaft 30, so that the umbrella winding operation is performed as illustrated. Petition 870250084661, dated 09 / 19 / 2025, p. 18 / 60 13 / 17 in Figures 6 and 7.

[0077] Since the lower locking groove 31a is formed in the lower portion of the guide groove 31, the guide protrusion 21 can be securely fastened and fixed.

[0078] The guide protrusion 21 enters the lower locking groove 31a, so that a stable state of winding of the umbrella can be maintained.

[0079] Meanwhile, the umbrella of the present invention allows manual opening and closing of the umbrella if the power supply is discharged and it is difficult to supply power to the drive motor 50.

[0080] Namely, Figures 8 and 9 are views illustrating the manual opening and closing of an umbrella.

[0081] When a user holds the ascending / descending bar 40 with their hand and lowers or raises it by slightly rotating the ascending / descending bar 40, the fixed state of the guide protrusion 21 is released and the ascending / descending bar 40 and the ascending / descending nut 20 can move up or down along the guide groove 31, where the manual opening and closing of the umbrella is performed.

[0082] In particular, the umbrella can be manually rolled up or unrolled in case of malfunction or power failure, therefore the present invention is advantageous as the umbrella can be used in a way Petition 870250084661, dated 09 / 19 / 2025, page 19 / 60 14 / 17 stable even in an emergency situation.

[0083] The present invention allows for the automatic opening and closing operation of an umbrella or parasol, thus being advantageous insofar as one-handed operation can be performed, thereby improving ease of use.

[0084] Meanwhile, Figure 10 illustrates a state in which a lubricating ring 22 made of polyacetal resin is fitted around the guide protrusion 21 to reduce friction and prevent friction noise against the guide groove 31.

[0085] An elastic spring 23 to elastically support the rising / falling nut 20 is provided in an upper end portion of the screw rod 10.

[0086] Since the lubricating ring 22 is installed around the guide protrusion 21, the noise and wear caused by friction against a surface of the inner wall of the guide groove 31 during an up and down process of the guide protrusion 21 along the guide groove 31 can be reduced.

[0087] In particular, the lubricating ring 22 is made of a polyacetal resin material and is advantageous because its durability is improved.

[0088] In addition, Figure 12 is a view illustrating the configuration of an ascending / descending bar according to a second embodiment of the invention. Petition 870250084661, dated 09 / 19 / 2025, page 20 / 60 15 / 17

[0089] The ascending / descending bar 40 has a split configuration into an upper ascending / descending bar 42 and a lower ascending / descending bar 43.

[0090] In this configuration, the multiple umbrella spokes 60 are connected to the upper ascending / descending bar 42, and the guide protrusion 21 of the ascending / descending nut 20 is connected to the lower ascending / descending bar 43.

[0091] The lower ascending / descending bar 43 is configured to be rotatably connected to the upper ascending / descending bar 42 by a connecting ring 44. The connecting ring 44 may have a ball bearing so that the rotation can be carried out more smoothly.

[0092] In this configuration, the upper ascending / descending bar 42 to which the multiple umbrella spokes 60 are connected has a structure in which the upper ascending / descending bar 42 is prevented from rotating while moving up and down, and the lower ascending / descending bar 43 moves up and down along with the upper ascending / descending bar 42.

[0093] The lower up / down bar 43 can move up, down and rotate in the horizontal direction together with the inner up / down nut 20, so that the lower up / down bar has the function of a rotating handle.

[0094] In particular, in a process of Petition 870250084661, dated 09 / 19 / 2025, page 21 / 60 16 / 17 locking while the ascending / descending bar 43 rotates in the positions of the lower locking groove 31a and the upper locking groove 31b, an advantage is obtained in that the upper ascending / descending bar 42 is prevented from rotating, so that a twisting phenomenon of the multiple umbrella spokes 60 can be avoided.

[0095] Furthermore, Figure 13 illustrates a configuration of a third embodiment according to the present invention, in which an upper extension pipe 45 and a lower extension pipe 46 extend into the respective upper and lower portions of the ascending / descending bar 40 to prevent external exposure of the guide groove 31 formed in the umbrella shaft.

[0096] In this configuration, the internal guide groove 31 can be covered by the upper and lower extension tubes 45 and 46 during an upward or downward operating process of the ascending / descending bar 40, so that advantages can be achieved insofar as the external appearance of the umbrella can be improved and foreign substances are prevented from entering the guide groove 31.

[0097] Furthermore, although specific embodiments of the present invention have been described and illustrated above, it is obvious that the structure of the device for automatically opening and closing an umbrella of the present invention can be modified and implemented in various ways by those skilled in the art.

[0098] For example, in the modalities, Petition 870250084661, dated 09 / 19 / 2025, page 22 / 60 17 / 17 Various forms of power supply, such as a replaceable battery type or a USB charging type, can be applied to the power supply built into the umbrella handle portion.

[0099] Furthermore, the opening and closing device of the present invention can be applied equally not only to an umbrella and a parasol, but also to an outdoor parasol and an umbrella-type parasol.

[0100] Therefore, such modified embodiments should not be understood separately from the spirit or scope of the technique of the present invention, and such modified embodiments are included in the scope of the appended claims of the present invention. Petition 870250084661, dated 09 / 19 / 2025, p. 23 / 60

Claims

1 / 3 CLAIMS 1. A manually operable device for automatically raising and lowering an umbrella or parasol, characterized by comprising: a screw rod (10) having a predetermined length and having a screw-shaped guide groove (11) formed along an outer circumferential surface of the screw rod; an ascending / descending nut (20) that is guided along the screw-shaped guide groove (11) to raise and lower when the screw rod (10) rotates back and forth; an umbrella shaft (30) into which the screw rod (10) is inserted and having a guide groove (31) to guide a guide protrusion (21) projecting from an outer surface of the ascending / descending nut (20), wherein the guide groove is formed in the direction of the length of the umbrella shaft;an ascending / descending bar (40) that is connected to the guide protrusion (21) and has a cylindrical shape that surrounds the umbrella rod (30) to move up and down together with the ascending / descending nut (20) and to which multiple umbrella spokes (60) are attached in a radial shape on an upper outer portion of the ascending / descending bar; and a drive motor (50) provided in a lower portion of the screw rod (10) to transmit torque forward or backward to the screw rod. Petition 870250084661, dated 19 / 09 / 2025, p. 24 / 60 2 / 3; 2. A manually operable device for the automatic raising and lowering of an umbrella or parasol, according to claim 1, characterized in that the guide groove (31) formed in the umbrella shaft (30) has a lower end locking groove (31a) and an upper end locking groove (31b) in a lower end portion and an upper end portion, respectively, wherein the lower and upper locking grooves form an extension structure by having shapes that form right angles with the guide groove.

3. A manually operable device for the automatic raising and lowering of an umbrella or parasol, according to claim 1, characterized by holding and rotating the ascending / descending bar (40) manually in a twisted manner to allow manual operation, in which the guide protrusion (21) connected to an inner side of the ascending / descending bar is guided to move up and down along the guide groove (31).

4. Manually operable device for the automatic raising and lowering of an umbrella or parasol, according to claim 1, characterized by the guide protrusion (21) around which a lubricating ring (22) to reduce friction and prevent friction noise against the guide groove (31) is fitted, and an elastic spring (23) to elastically support the rising / lowering nut (20) is provided in an upper end portion of the screw rod (10). Petition 870250084661, dated 09 / 19 / 2025, p. 25 / 60 5. Manually operable device for the automatic raising and lowering of an umbrella or parasol, according to claim 1, characterized in that the ascending / descending bar (40) has a structure divided into an upper ascending / descending bar (42) to which the multiple umbrella spokes (60) are connected and a lower ascending / descending bar (43) to which the guide protrusion (21) of the ascending / descending nut (20) is connected, and the lower ascending / descending bar (43) is rotatably connected to the upper ascending / descending bar (42) with a connecting ring (44).

6. Manually operable device for automatic raising and lowering of an umbrella or parasol, according to claim 1, characterized in that, from an upper portion and a lower portion of the ascending / descending bar (40), an upper extension pipe (45) and a lower extension pipe (46) are provided, respectively, to extend to prevent external exposure of the guide groove (31). Petition 870250084661, dated 19 / 09 / 2025, p. 26 / 60

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