CN209788759U - Opening and closing structure, middle rod and umbrella - Google Patents

Abstract

The utility model provides an open-close structure, well stick and umbrella. The utility model discloses an open-close structure for open or folding umbrella, the umbrella includes well stick, locates the last nest of well stick one end, and slidable ground cover locate the lower nest of the well stick other end, open-close structure is including locating pulley and first fixed pulley, stay cord in the nest and locating down the second fixed pulley of nest, pulley and first fixed pulley interval set up, just first fixed pulley and second fixed pulley set up relatively, the stay cord passes well stick and walks around pulley, second fixed pulley and first fixed pulley in proper order, it still is equipped with the motor that is connected with the pulley to go up the nest. The utility model discloses use this umbrella of structure that opens and shuts has power saving, laborsaving, motor work efficiency height and motor long service life's advantage.

Description

Opening and closing structure, middle rod and umbrella

Technical Field

The utility model relates to an umbrella technical field especially relates to a structure of opening and shutting, applied this structure of opening and shutting well stick and use the umbrella of stick in this.

Background

The opening and closing structure of the existing automatic opening and closing multi-folding umbrella comprises a pulley, a pull rope and a fixed pulley, wherein the pulley is arranged in an upper nest, and the fixed pulley is arranged in a lower nest. One end of the pull rope is arranged at one end of the middle rod, which is far away from the upper nest, and the other end of the pull rope penetrates through the middle rod, sequentially bypasses the pulley and the fixed pulley and is fixed on the upper nest. However, in the process of the rotation of the pulley, a user needs a large force to open and close the umbrella, which results in poor user experience.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the present invention provides an opening and closing structure, which aims to make the umbrella using the opening and closing structure have the advantage of labor saving.

In order to solve the technical problem, the utility model provides an open-close structure for open or folding umbrella, the umbrella includes well stick, locates the last nest of well stick one end, reaches the lower nest of the slidable ground cover locating the well stick other end, open-close structure is including locating pulley and first fixed pulley, stay cord in the nest and locating the second fixed pulley of nest down, pulley and first fixed pulley interval set up, just first fixed pulley and second fixed pulley set up relatively, the stay cord passes well stick and walks around pulley, second fixed pulley and first fixed pulley in proper order, it still is equipped with the motor that is connected with the pulley to go up the nest.

Furthermore, one end of the pull rope is arranged at one end of the middle rod, which is far away from the upper nest, and the other end of the pull rope penetrates through the middle rod, sequentially bypasses the pulley, the second fixed pulley and the first fixed pulley and then is fixed on the lower nest.

Furthermore, the opening and closing structure further comprises a third fixed pulley arranged in the lower nest, and the third fixed pulley is positioned between the second fixed pulley and the first fixed pulley.

Furthermore, one end of the pull rope is arranged at one end of the middle rod, which is far away from the upper nest, and the other end of the pull rope penetrates through the middle rod, sequentially bypasses the pulley, the second fixed pulley, the first fixed pulley and the third fixed pulley and then is fixed on the upper nest.

Further, the lower nest comprises an outer sleeve and an inner seat, the outer sleeve is provided with a first opening, the inner seat is accommodated in the first opening, the inner seat is provided with a second opening, and the middle rod penetrates through the second opening.

Further, the outer sleeve comprises a protruding portion, a containing groove is formed in the protruding portion, the second fixed pulley is contained in the containing groove, two clamping pieces are convexly arranged on the inner seat and are arranged at intervals to form a groove, the protruding portion is partially contained in the groove, two clamping grooves are concavely formed in the inner surface of the outer sleeve, and each clamping piece is contained in one corresponding clamping groove.

Furthermore, the pulley is provided with an accommodating groove around the circumferential direction of the pulley, at least one groove wall of the accommodating groove is obliquely arranged, so that the accommodating groove is gradually enlarged from the bottom wall of the accommodating groove to the opening of the accommodating groove, at least one protrusion is convexly arranged on at least one groove wall of the accommodating groove, the extending direction of the protrusion is consistent with the oblique direction of the groove wall, and the diameter of the protrusion is gradually reduced from the bottom wall of the accommodating groove to the opening of the accommodating groove; or the extending direction of the protrusion is vertical to the inclined direction of the groove wall, and the vertical distance between the protrusion and the groove wall is smaller than the diameter of the pull rope; and/or the presence of a gas in the atmosphere,

The side wall of the upper nest is provided with a first through hole, the bottom wall of the upper nest is provided with a second through hole communicated with the first through hole, and the pull rope penetrates through the middle rod and the second through hole, bypasses the pulley, penetrates out of the upper nest through the first through hole, bypasses the second fixed pulley, extends into the upper nest again and bypasses the first fixed pulley.

Furthermore, the opening and closing structure further comprises a first gear, a worm meshed with the first gear, and a motor, wherein the first gear is sleeved on a connecting rod of the pulley, and the motor is connected with the worm.

Furthermore, the opening and closing structure further comprises a second gear and a gearbox connected with the motor, the second gear is connected with the worm, the gearbox comprises a third gear, and the second gear is meshed with the third gear.

The utility model also provides a middle rod, the middle rod comprises an upper nest, a lower nest and an opening and closing structure.

Furthermore, the middle rod also comprises a handle, the handle is arranged at one end of the middle rod, which is far away from the upper nest, and the lower nest is arranged between the upper nest and the handle.

Furthermore, well stick still includes control assembly, control assembly is including locating button on the handle, all locating circuit board, switch and the outage subassembly in the handle, switch and outage subassembly all with the circuit board electricity is connected, the button can touch mutually with the switch.

Further, the control assembly further comprises a battery, two terminals arranged on the circuit board and a spring type electric wire, one end of the spring type electric wire penetrates through the middle rod to be connected with the motor, the other end of the spring type electric wire is connected with one terminal, and the battery is connected with the other terminal.

Further, the control assembly further comprises a charging interface arranged on the circuit board, and the charging interface is used for charging the battery.

Further, the well stick includes outer tube, an at least well pipe and inner tube, an at least well pipe and outer tube from interior to exterior cup joint in proper order slidable, the handle is fixed in inner tube one end, nest slidable ground cover is located down the periphery wall of outer tube, go up the nest and locate the outer tube keep away from the one end of handle.

The utility model also provides an umbrella, the umbrella includes the well stick.

Further, the umbrella still includes the rib subassembly, the rib subassembly includes first rib, second rib and extension spring, the one end of first rib connect in go up the nest, the one end of second rib is connected nest down, the other end slidable ground of second rib with first rib is connected, the extension spring both ends are connected respectively first rib and second rib.

The utility model discloses technical scheme's structure of opening and shutting is including locating pulley and first fixed pulley, stay cord in the nest and locating the second fixed pulley of nest down, pulley and first fixed pulley interval set up, just first fixed pulley and second fixed pulley locate the same one side of structure of opening and shutting, the stay cord passes well stick and walks around pulley, second fixed pulley and first fixed pulley in proper order. Compare in prior art, only be equipped with the technical scheme of a fixed pulley and a movable pulley, the utility model discloses an be provided with two fixed pulleys and a movable pulley in the structure of opening and shutting, make the utility model discloses use the umbrella of this structure of opening and shutting to have laborsaving advantage, the user only needs less power can be opened the umbrella, closed. Further, because the motor is connected with the pulley, the motor can drive the pulley and rotate to make the umbrella open or closed, because the utility model discloses an umbrella has laborsaving advantage for only consume the less power of motor and can open or closed umbrella, make the utility model discloses use this umbrella of structure that opens and shuts still to have power saving, motor work efficiency height and motor long service life's advantage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a cross-sectional view of a king-rod according to a first embodiment of the present invention.

Fig. 2 is a schematic structural view of the lower nest of the middle rod of the present invention.

Fig. 3 is an exploded view of the lower nest shown in fig. 2.

Fig. 4 is a schematic view of a partial structure of a lower nest of a middle rod according to a first embodiment of the present invention.

Fig. 5 is a cross-sectional view of a king-rod according to a second embodiment of the present invention.

Fig. 6 is a schematic view of a partial structure of a lower nest of a middle rod according to a second embodiment of the present invention.

Fig. 7 is a schematic structural view of the middle rod of the present invention.

Fig. 8 is a schematic view of another angle of the middle rod of the present invention.

fig. 9 is a schematic structural view of the upper nest and the opening and closing structure without the pull rope of the present invention.

Fig. 10 is a schematic view of the upper nest and the open-close structure without the pull rope according to another angle of the present invention.

Fig. 11 is a schematic structural view of the upper nest and the opening and closing structure of the present invention.

Fig. 12 is a schematic structural view of another angle of the upper nest and the opening and closing structure of the present invention.

Fig. 13 is a schematic structural diagram of the pulley, the worm, the first gear and the second gear of the present invention.

Fig. 14 is a schematic structural view of the umbrella of the present invention.

Fig. 15 is a schematic structural view of the middle rod of the present invention in an open state.

The reference numbers illustrate:

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-15, the present invention provides an opening and closing structure 30 for opening or folding an umbrella 100.

The umbrella comprises a middle rod 10, an upper nest 13 arranged at one end of the middle rod 10 and a lower nest 11 slidably sleeved at the other end of the middle rod 10.

The opening and closing structure 30 comprises a pulley 31, a first fixed pulley 36, a pull rope 32 and a second fixed pulley 33, wherein the pulley 31 and the first fixed pulley 36 are arranged in the upper nest 13, the second fixed pulley 33 is arranged in the lower nest 11, the pulley 31 and the first fixed pulley 36 are arranged at intervals, the first fixed pulley 36 and the second fixed pulley 33 are arranged oppositely, the pull rope 32 penetrates through the middle rod 10 and sequentially bypasses the pulley 31, the second fixed pulley 33 and the first fixed pulley 36, and the upper nest 13 is further provided with a motor 37 connected with the pulley 31.

In an embodiment of the present invention, the first fixed pulley 36 and the second fixed pulley 33 are disposed on the same side of the opening and closing structure 30.

The utility model discloses technical scheme's structure of opening and shutting 30 is including locating pulley 31 and first fixed pulley 36, stay cord 32 in the upper nest 13 and locating the second fixed pulley 33 of lower nest 11, pulley 31 and the 36 intervals of first fixed pulley set up, just first fixed pulley 36 and second fixed pulley 33 locate structure of opening and shutting 30 same one side, stay cord 32 passes well stick 10 and walks around pulley 31, second fixed pulley 33 and first fixed pulley 36 in proper order. Compare in prior art, only be equipped with the technical scheme of a fixed pulley and a movable pulley, the utility model discloses a be provided with two fixed pulleys and a movable pulley in the structure of opening and shutting 30, make the utility model discloses use this structure of opening and shutting 30's umbrella to have laborsaving advantage, the user only needs less power can be opened the umbrella, closed. Further, because motor 37 is connected with pulley 31, the motor can drive the pulley and rotate to make the umbrella open or closed, because the utility model discloses an umbrella has laborsaving advantage, makes only consume the less power of motor 37 and can open or close umbrella 100. Make the utility model discloses use this umbrella 100 of structure that opens and shuts still to have power saving, motor work efficiency height and motor long service life's advantage.

One end of the pull rope 32 is arranged at one end of the middle rod 10 far away from the upper nest 13, and the other end of the pull rope 32 passes through the middle rod 10, sequentially passes around the pulley 31, the second fixed pulley 33 and the first fixed pulley 36, and is fixed on the lower nest 11.

The utility model discloses technical scheme's one end of stay cord 32 is located excellent 10 one end of keeping away from last nest 13 in, the other end of stay cord 32 passes well excellent 10, walks around pulley 31, second fixed pulley 33 and first fixed pulley 36 back in proper order, is fixed in lower nest 11, and pulley 31 corotation or reversal to drive the motion of stay cord 32, make lower nest 11 remove or remove along the direction of keeping away from last nest 13 along the direction of being close to last nest 13, thereby open or folding umbrella.

The opening and closing structure 30 further comprises a third fixed pulley 38 disposed in the lower nest 11, wherein the third fixed pulley 38 is located between the second fixed pulley 33 and the first fixed pulley 36.

One end of the pull rope 32 is arranged at one end of the middle rod 10 far away from the upper nest 13, and the other end of the pull rope 32 passes through the middle rod 10, sequentially passes around the pulley 31, the second fixed pulley 33, the first fixed pulley 36 and the third fixed pulley 38, and is fixed on the upper nest 13.

The utility model discloses technical scheme's one end of stay cord 32 is located excellent 10 one end of keeping away from last nest 13 in, stay cord 32's the other end passes excellent 10 in, after bypassing pulley 31, second fixed pulley 33, first fixed pulley 36 and third fixed pulley 38 in proper order, is fixed in last nest 13, and pulley 31 can corotation or reversal to drive stay cord 32 motion, make down nest 11 remove or remove along the direction of keeping away from last nest 13 along the direction of being close to last nest 13, thereby open or folding umbrella.

The lower nest 11 comprises an outer sleeve 111 and an inner seat 113, the outer sleeve 111 is provided with a first opening 1111, and the inner seat 113 is accommodated in the first opening 1111.

The utility model discloses technical scheme's lower nest 11 includes overcoat 111 and interior seat 113, first trompil 1111 has been seted up to overcoat 111, interior seat 113 holds in first trompil 1111 to make interior seat 113 be connected with overcoat 111. The inner seat 113 is provided with a second opening 1131, and the middle rod 10 penetrates through the second opening 1131, so that the lower nest 11 is movably sleeved on the middle rod 10 through the inner seat 113.

The outer housing 111 includes a protrusion 1113, the protrusion 1113 defines an accommodating groove 1115, and the second fixed pulley 33 is accommodated in the accommodating groove 1115.

It will be appreciated that the projection 1113 is generally a rectangular parallelepiped. The accommodation groove 1115 is also substantially rectangular parallelepiped.

It will be appreciated that one end of the protrusion 1113 is open, such that the draw string 32 can enter or extend out of the receiving groove 1115 through the opening.

The utility model discloses technical scheme's overcoat 111 includes bulge 1113, storage tank 1115 has been seted up to bulge 1113, second fixed pulley 33 holds in this storage tank 1115, and the opening of stay cord 32 accessible bulge 1113 gets into or stretches out this storage tank 1115 for this opening of tensile 32 accessible is around second fixed pulley 33. Because the stay cord 32 stretches into the containing groove 1115, the groove wall of the containing groove 1115 can limit the stay cord 32, so that the stay cord 32 is prevented from slipping, and the use stability of the umbrella is further improved.

It is understood that the third fixed pulley 38 is also received in the receiving groove 1115. The pulling rope 32 sequentially passes around the pulley 31, the second fixed pulley 33, the first fixed pulley 36 and the third fixed pulley 38, so that the pulling rope 32 can be effectively supported by being fixed to the upper nest 13 after sequentially passing around the pulley 31, the second fixed pulley 33, the first fixed pulley 36 and the third fixed pulley 38.

The inner seat 113 is provided with two engaging members 1133, the two engaging members 1133 are spaced apart to form a groove 1135, the protruding portion 1113 is partially received in the groove 1135, the inner surface of the outer sleeve 111 is provided with two engaging slots 1117, and each engaging member 1133 is received in a corresponding engaging slot 1117.

It will be appreciated that the snap members 1133 are disposed to protrude from the outer surface of the inner seat 113.

In an embodiment of the present invention, the first end of the protrusion 1113 is protruded along the direction close to the inner seat 113, and the second end of the protrusion 1113 is protruded along the direction far away from the inner seat 113.

It will be appreciated that the free end of each detent 1133 forms a retainer 1134, the retainer 1134 being adapted to engage the spring 1118. Specifically, the fixing portion 1134 is fixedly connected to the spring 1118.

The utility model discloses in the technical scheme, interior seat 113 is protruding to be equipped with two fasteners 1133, the concave two fastener 1117 that are equipped with of internal surface of overcoat 111, each fastener 1133 holds in a fastener 1117 that corresponds for interior seat 113 and overcoat 111 are connected. The first end of the protrusion 1113 may be received in the groove 1135, further increasing the stability of the connection between the inner seat 113 and the outer sleeve 111.

It is understood that each engagement slot 1117 can receive a spring 1118 therein, and each engagement member 1133 is received in a corresponding engagement slot 1117 and abuts against a corresponding spring 1118. Because the utility model discloses a be equipped with spring 1118 in the lower nest 11, can provide a pulling force for stay cord 32, prevent to appear skidding the phenomenon because the stay cord 32 of lengthening the phenomenon appears in long-time use, improved the stability in use of umbrella.

The pulley 31 is provided with an accommodating groove 311 around the circumferential direction thereof, at least one groove wall 3111 of the accommodating groove 311 is obliquely arranged, so that the accommodating groove 311 is gradually enlarged along the direction from the bottom wall 3113 of the accommodating groove 311 to the opening of the accommodating groove 311, at least one groove wall 3111 of the accommodating groove 311 is convexly provided with at least one protrusion 313, the extending direction of the protrusion 313 is consistent with the oblique direction of the groove wall 3111, and the diameter of the protrusion 313 is gradually reduced along the direction from the bottom wall 3113 of the accommodating groove 311 to the opening of the accommodating groove 311; alternatively, the extending direction of the protrusion 313 is perpendicular to the inclined direction of the groove wall 3111, and the perpendicular distance between the protrusion 313 and the groove wall 3111 is smaller than the diameter of the pulling rope 32.

In an embodiment of the present invention, when the extending direction of the protrusion 313 is consistent with the inclined direction of the slot wall 3111, the slot wall 3111 is provided with a plurality of protrusions 313 arranged at intervals, and the protrusions 313 are arranged in a radial shape.

In an embodiment of the present invention, one end of the protrusion 313 is disposed on the bottom wall 3113, and the other end extends along the inclined direction of the slot wall 3111.

In an embodiment of the present invention, when the extending direction of the protrusion 313 is perpendicular to the inclined direction of the slot wall 3111, the protrusion 313 has a ring structure.

It will be appreciated that the ring-like structure of the protrusion 313 is disposed on the bottom wall 3113.

The utility model discloses among the technical scheme, at least a cell wall 3111 of holding tank 311 is the slope setting for this holding tank 311 is along the diapire 3113 of holding tank 311 to the open-ended direction of holding tank 311 and is the setting that expands gradually, at least a cell wall 3111 epirelief of holding tank 311 is equipped with an at least protruding 313, this protruding 313 extending direction with cell wall 3111's incline direction is unanimous, makes stay cord 32 in the in-process of motion, receives diapire 3113, the cell wall 3111 of slope and protruding 313's limiting displacement, and the phenomenon of skidding can not appear, and is further. The pulling rope 32 can be gradually tensioned in the rotating process, in the process, the diameter of the pulling rope 32 is gradually reduced and gradually moves along the direction close to the bottom wall 3113, and the diameter of the protrusion 313 is gradually reduced along the direction from the bottom wall 3113 of the accommodating groove 311 to the opening of the accommodating groove 311, so that in the process, the limiting effect of the protrusion 313 on the pulling rope 32 is gradually enhanced, the sliding phenomenon between the pulling rope 32 and the pulley 31 in the tensioning process is prevented, and the use stability of the umbrella is further improved. In another embodiment, the extending direction of the protrusion 313 is perpendicular to the inclined direction of the groove wall 3111, the pulling rope 32 is gradually tensioned during the rotation process, the diameter of the pulling rope is gradually reduced, and the pulling rope gradually moves along the direction close to the bottom wall 3113, and the vertical distance between the protrusion 313 and the bottom wall is smaller than the diameter of the pulling rope 32, so that the protrusion 313 can cooperate with the bottom wall 3113 and the side wall 3111 to better limit the pulling rope in the tensioned state, thereby preventing the pulling rope 32 from slipping with the pulley 31 during the tensioning process, and improving the use stability of the umbrella.

The included angle between the inclined direction of the groove wall 3111 and the horizontal plane is in the range of 40 ° to 85 °, preferably 50 ° to 80 °, and more preferably 60 ° to 70 °.

In an embodiment of the present invention, an included angle between the inclined direction of the slot wall 3111 and the horizontal may be 40 °, 50 °, 60 °, 70 °, 80 °, or 85 °.

The utility model discloses among the technical scheme, set up the range of the incline direction of cell wall 3111 and the contained angle of horizontal plane into 40 ~ 85, can make cell wall 3111 can play the limiting displacement of preferred to stay cord 32, prevent that stay cord 32 from skidding at the in-process of motion.

The side wall of the upper nest 13 is provided with a first through hole 131, the bottom wall of the upper nest 13 is provided with a second through hole 133 communicated with the first through hole 131, and the other end of the pull rope 32 passes through the middle rod 10 and the second through hole 133, bypasses the pulley 31, passes through the upper nest 13 through the first through hole 131, bypasses the second fixed pulley 33, then extends into the upper nest 13 and bypasses the first fixed pulley 36.

In an embodiment of the present invention, the second fixed pulley 33 is fixed on the outer surface of the lower nest 11.

It can be understood that the upper nest 13 includes an outer shell and an inner shell accommodated in the outer shell, a through hole is formed at one end of the outer shell facing the lower nest 11, a first through hole 131 is formed on a side wall of the inner shell, and the second through hole 133 is formed on a bottom wall of the inner shell. One end of the pulling rope 32 is fixed at one end of the middle rod 10 far away from the upper nest 13, the other end of the pulling rope 32 penetrates through the middle rod 10, extends into the inner shell through the through hole of the outer shell and the second through hole 133, extends out of the inner shell and the outer shell through the through hole of the first through hole 131 and the through hole of the outer shell, bypasses the second fixed pulley 33, then extends into the upper nest 13 and bypasses the fixed pulley 36.

In the technical scheme of the utility model, lower nest 11 accessible pulley 31, second fixed pulley 33 and stay cord 32 remove for last nest 13 to open or folding umbrella 100.

The opening and closing structure 30 further includes a first gear 315, a worm 34 engaged with the first gear 315, and a motor 37, wherein the first gear 315 is sleeved on the connecting rod 314 of the pulley 31, and the motor 37 is connected with the worm 34.

It will be appreciated that the first gear 315 is disposed coaxially with the pulley 31. The worm 34 is disposed perpendicular to the first gear 315.

It can be understood that the motor 37 includes a housing matching with the inner housing of the upper nest 13, the side wall of the housing is opened with a third through hole matching with the first through hole 131, and the bottom of the housing is opened with a fourth through hole matching with the second through hole 133. The pulley 31, the first gear 315, the second gear 35, and the transmission are all accommodated in a housing of the motor 37.

Furthermore, one end of the pulling rope 32 is fixed to one end of the middle rod 10 far away from the upper nest 13, the other end of the pulling rope 32 penetrates through the middle rod 10, passes through the through hole of the outer shell, the second through hole 133 and the fourth through hole of the motor shell, extends into the inner shell of the upper nest 13 and the shell of the motor 37, passes through the third through hole of the motor 37, the first through hole 131 of the inner shell and the through hole of the outer shell of the upper nest 13, extends out of the motor 37 and the upper nest 13, and is fixed to the upper nest 13 after passing around the second fixed pulley 33.

In another embodiment of the present invention, the upper nest 13 only includes a housing, one end of the housing is provided with a fifth through hole, the motor 37 has a housing matched with the housing of the upper nest 13, a sixth through hole has been opened on the side wall of the housing, a seventh through hole has been opened on the bottom wall of the housing, one end of the pulling rope 32 is fixed to one end of the middle rod 10 far away from the upper nest 13, the other end of the pulling rope 32 passes through the middle rod 10, and extends into the housing of the upper nest 13 and the motor 37 through the fifth through hole of the housing and the seventh through hole of the motor 37, and the sixth through hole of the passing motor 37 and the fifth through hole of the housing of the upper nest 13 extend out of the motor 37 and the upper nest 13, and then fixed to the upper nest 13 after passing around the second fixed pulley 33.

In the technical scheme of the utility model, first gear 315 overlaps on locating pulley 31's connecting rod 314 for first gear 315 is connected with pulley 31, first gear 315 meshes with worm 34, because worm 34 is connected with motor 37, when motor 37 drive worm 34 corotation or reversal, can drive pulley 31 also corotation or reversal in the lump, and then drives down nest 11 through stay cord 32 and second fixed pulley 33 and remove along the direction that is close to or keeps away from last nest 13, thereby opens or folding umbrella 100.

The opening and closing structure 30 further comprises a second gear 35 and a gearbox (not shown) connected with the motor 37, wherein the second gear 35 is connected with the worm 34, the gearbox comprises a third gear, and the second gear 35 is meshed with the third gear.

It will be appreciated that the second gear 35 is disposed perpendicular to the worm 34.

It will be appreciated that the gearbox can adjust the speed of rotation of the second gear 35, and hence the speed of movement of the worm 34, the first gear 315, the pulley 31, the second fixed pulley 33, the pull cord 32 and the lower nest 11, and hence the speed of opening or closing the umbrella.

In the technical scheme of the utility model, second gear 35 is connected with worm 34, second gear 35 still with the third gear engagement of gearbox for the slew velocity of second gear 35 is adjusted to the meshing relation between gearbox accessible second gear 35 and the third gear. The gearbox is connected with the motor 37, so that the motor 37 can adjust the rotation speed of the third gear and the second gear 35 through the gearbox.

The utility model also provides a well stick 10.

The middle rod 10 comprises an upper nest 13, a lower nest 11 and the opening and closing structure 30.

Since the middle rod 10 adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The middle rod 10 further comprises a handle 15, the handle 15 is arranged at one end of the middle rod 10 far away from the upper nest 13, and the lower nest 11 is arranged between the upper nest 13 and the handle 15.

In the technical solution of the present invention, the middle rod 10 further includes a handle 15, so that the user can grip the middle rod.

The middle rod 10 further comprises a control assembly 50, the control assembly 50 comprises a button 51 arranged on the handle 15, a circuit board 52, a switch 53 and a power-off assembly 55, the circuit board 52, the switch 53 and the power-off assembly 55 are all arranged in the handle 15, the switch 53 and the power-off assembly 55 are electrically connected with the circuit board 52, and the button 51 can be touched with the switch 53.

In an embodiment of the present invention, the button 51 includes an umbrella opening button 511 and an umbrella closing button 513.

The umbrella opening button 511 and the umbrella closing button 513 are both arranged at one end of the handle 15 close to the upper nest 13, and the umbrella opening button 511 is arranged between the umbrella closing button 513 and the lower nest 11.

It is understood that the umbrella closing button 511 and the umbrella opening button 513 may be disposed in other areas of the handle 15.

It will be appreciated that the power disconnect assembly 55 provides load protection to prevent the umbrella 100 from becoming jammed. The power-off assembly 55 can be an integrated block commonly used in the prior art, and the utility model discloses do not need here to describe again.

In the technical scheme of the present invention, the umbrella opening button 511 is pressed to touch the umbrella opening switch 531, so as to switch on the circuit, so that the motor 37 rotates forward to drive the worm 34, the first gear 315, the pulley 31, the second fixed pulley 33 and the pull rope 32 to move, so that the lower nest 11 moves on the middle rod 10 along the direction close to the upper nest 13, thereby achieving the purpose of opening the umbrella; the umbrella closing button 513 is pressed to touch the umbrella closing switch 533, so as to switch on the circuit, and the motor 37 rotates reversely to drive the worm 34, the first gear 315, the pulley 31, the second fixed pulley 33 and the pull rope 32 to move, so that the lower nest 11 moves on the middle rod 10 in the direction away from the upper nest 13, and the purpose of umbrella closing is achieved.

The control assembly 50 further comprises a battery 57, two terminals 58 arranged on the circuit board 52, and a spring-loaded electric wire 56, wherein one end of the spring-loaded electric wire 56 penetrates through the middle rod 10 to be connected with the motor 37, the other end of the spring-loaded electric wire 56 is connected with one terminal 58, and the battery 57 is connected with the other terminal 58.

Preferably, the battery 57 is a rechargeable battery, which can be used repeatedly, and is more economical and environmentally friendly.

It can be understood that the spring-loaded electric wire 56 has a spring-like structure, so that the spring-loaded electric wire 56 is not damaged during the processes of closing and opening the umbrella, and the service life of the electric wire is prolonged.

In the technical scheme of the utility model, be equipped with two terminals 58 on the circuit board 52, one of them terminal 58 is connected with battery 57, and another terminal 58 is connected with the one end of spring electric wire 56, and this spring battery 58's the other end passes well stick 10 and is connected with motor 37 to form a complete circuit. The battery 57 may be connected to the motor 37 via the circuit board 52, terminals 58 and spring-loaded wires 56 to provide power for forward and reverse rotation of the motor 37.

The control assembly 50 further includes a charging interface 59 disposed on the circuit board 52, wherein the charging interface 59 is configured to charge the battery 57.

It will be appreciated that the battery 57 may be charged via the charging interface 59 for ease of use by the user.

Well stick 10 includes outer tube 17, an at least well pipe 18 and inner tube 19, an at least well pipe 18 and outer tube 17 cup joint from interior to exterior slidable in proper order, handle 15 is fixed in 19 one end of inner tube, nest 11 cover is located down slidable the periphery wall of outer tube 17, go up nest 13 and locate outer tube 17's the one end of keeping away from handle 15.

It will be appreciated that the intermediate tube 18 is slidably received in the outer tube 17 and the inner tube 19 is slidably received in the intermediate tube 18, so that the umbrella 100 has a collapsible function for the convenience of carrying and use by the user.

A spring 16 is also arranged in the middle rod 10. The spring 16 is accommodated in an inner tube 19. One end of the spring 16 is arranged at the top end of the outer tube 17, and the other end of the spring 16 extends into the handle 15.

It will be appreciated that the spring-loaded wire 56 and part of the pull cord 32 extend through the spring 16.

The utility model relates to an embodiment, handle 15 is fixed in the one end of nest 13 is kept away from to inner tube 19, nest 11 cup joints with sliding in down the periphery wall of outer tube 17, it is fixed in to go up nest 13 the one end that deviates from handle 15 of outer tube 17, when pushing out umbrella button 511, rely on in excellent 10 the elasticity of spring 16 will outer tube 17, at least one well pipe 18 and inner tube 19 bullet stretch out, nest 11 is down along under the drive of stay cord 32 the periphery wall of outer tube 17 slide and with go up nest 13 butt, accomplish the motion of opening the umbrella.

The utility model also provides an umbrella 100.

The umbrella 100 includes the central rod 10.

Since the umbrella 100 adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.

Umbrella 100 still includes rib assembly 70, rib assembly 70 includes first rib 71, second rib 72 and extension spring 73, the one end of first rib 71 connect in go up nest 13, the one end of second rib 72 is connected nest 11 down, the other end slidable of second rib 72 with first rib 71 is connected, extension spring 73 both ends are connected respectively first rib 71 and second rib 72.

Preferably, the first rib 71 is a multi-fold first rib 71, so that the umbrella 100 is a foldable multi-fold umbrella, and has a smaller size, a more beautiful appearance, and is more convenient for a user to carry and use.

In an embodiment of the present invention, at least one accommodating groove 1136 and one annular groove 1137 are radially disposed at one end of the inner seat 113 close to the upper nest 13, and the accommodating groove 1136 is communicated with the annular groove 1137.

As can be appreciated, the annular groove 1137 is disposed circumferentially of the inner race 113.

One end of the second rib 72 is received in the receiving groove 1136. And the second rib 72 is accommodated in one end of the accommodating groove 1136 and has an opening (not shown). The umbrella 100 also includes a fastener (not shown) which may be a wire, such as iron wire, stainless steel wire, aluminum wire, or the like. The fastener may be passed through the opening of second rib 72 and then wound in annular groove 1137 to securely connect second rib 72 to inner seat 113.

It will be appreciated that the securing member is wound around at least one turn in the annular groove 1137.

In the technical solution of the present invention, one end of the first rib 71 is connected to the upper nest 13, one end of the second rib 72 is connected to the lower nest 11, the other end of the second rib 72 slidably connects to the first rib 71, and both ends of the extension spring 73 are connected to the first rib 71 and the second rib 72 respectively. After the umbrella folding button 513 is pressed, the pull rope 32 pulls one end of the middle rod 10 away from the upper nest 13, that is, the inner tube 19 and the middle tube 18 move towards the direction close to the upper nest 13, so that the inner tube 19, the middle tube 18 and the outer tube 17 are sequentially sleeved from inside to outside, meanwhile, the lower nest 11 can withdraw the first umbrella ribs 71 and the second umbrella ribs 72 inwards by means of the tensile force of the tension spring 73, so that the lower nest 11 moves towards the handle 15, and the purpose of umbrella folding is achieved.

The above is only the preferred embodiment of the present invention, not limiting the patent scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct or indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (15)

1. the utility model provides an opening and shutting structure for open or folding umbrella, the lower nest of well excellent other end is located to last nest and slidable ground cover that the umbrella includes well stick, locates well stick one end, its characterized in that, the structure of opening and shutting is including locating pulley and first fixed pulley, stay cord in the nest and locating down the second fixed pulley of nest, pulley and first fixed pulley interval set up, just first fixed pulley and second fixed pulley set up relatively, the stay cord passes well stick and walks around pulley, second fixed pulley and first fixed pulley in proper order, it still is equipped with the motor that is connected with the pulley to go up the nest.

2. The opening and closing structure as claimed in claim 1, wherein one end of the pulling rope is arranged at one end of the middle rod far away from the upper nest, and the other end of the pulling rope passes through the middle rod, sequentially passes through the pulley, the second fixed pulley and the first fixed pulley, and then is fixed at the lower nest.

3. The opening and closing structure of claim 1, further comprising a third fixed pulley disposed in the lower nest, wherein the third fixed pulley is disposed between the second fixed pulley and the first fixed pulley.

4. the opening and closing structure as claimed in claim 3, wherein one end of the pulling rope is arranged at one end of the middle rod far away from the upper nest, and the other end of the pulling rope passes through the middle rod, sequentially passes through the pulley, the second fixed pulley, the first fixed pulley and the third fixed pulley, and is fixed on the upper nest.

5. The opening and closing structure as claimed in any one of claims 1 to 4, wherein said lower nest comprises an outer sleeve and an inner seat, said outer sleeve defines a first opening, said inner seat is received in said first opening, said inner seat defines a second opening, and said middle rod extends through said second opening.

6. The opening and closing structure as claimed in claim 5, wherein said outer case includes a protrusion, said protrusion defines a receiving groove, said second fixed pulley is received in said receiving groove, said inner seat is protruded with two engaging members spaced apart to form a groove, said protrusion is partially received in said groove, said inner surface of said outer case is recessed with two engaging grooves, each engaging member is received in a corresponding one of said engaging grooves.

7. The opening and closing structure as claimed in any one of claims 1 to 4, wherein the pulley has a receiving groove formed around a circumferential direction thereof, at least one groove wall of the receiving groove is inclined such that the receiving groove is gradually enlarged from a bottom wall of the receiving groove to an opening of the receiving groove, at least one protrusion is convexly formed on at least one groove wall of the receiving groove, an extending direction of the protrusion is identical to an inclined direction of the groove wall, and a diameter of the protrusion is gradually reduced from the bottom wall of the receiving groove to the opening of the receiving groove; or the extending direction of the protrusion is vertical to the inclined direction of the groove wall, and the vertical distance between the protrusion and the groove wall is smaller than the diameter of the pull rope; and/or the presence of a gas in the atmosphere,

The side wall of the upper nest is provided with a first through hole, the bottom wall of the upper nest is provided with a second through hole communicated with the first through hole, and the pull rope penetrates through the middle rod and the second through hole, bypasses the pulley, penetrates out of the upper nest through the first through hole, bypasses the second fixed pulley, extends into the upper nest again and bypasses the first fixed pulley.

8. The opening and closing structure according to any one of claims 1 to 4, further comprising a first gear, a worm engaged with the first gear, and a motor, wherein the first gear is sleeved on a connecting rod of the pulley, and the motor is connected with the worm.

9. The opening and closing structure according to claim 8, further comprising a second gear connected to the worm and a gearbox connected to the motor, wherein the gearbox comprises a third gear, and wherein the second gear and the third gear are engaged.

10. A central rod, comprising an upper nest, a lower nest, and an open-close structure according to any one of claims 1-9.

11. The middle wand of claim 10, wherein the middle wand further comprises a handle, the handle is disposed at an end of the middle wand distal from the upper nest, and the lower nest is disposed between the upper nest and the handle.

12. The wand of claim 11, wherein the wand further comprises a control assembly, the control assembly comprising a button disposed on the handle, a circuit board disposed within the handle, a switch and a power-off assembly, the switch and the power-off assembly being electrically connected to the circuit board, the button being capable of touching the switch.

13. The middle rod according to claim 12, wherein the control assembly further comprises a battery, two terminals disposed on the circuit board, and a spring-loaded wire, one end of the spring-loaded wire passing through the middle rod is connected to the motor, the other end of the spring-loaded wire is connected to one of the terminals, and the battery is connected to the other of the terminals.

14. The wand of claim 13, wherein the control assembly further comprises a charging interface on the circuit board, the charging interface for charging a battery.

15. An umbrella comprising a mid-stick as claimed in any one of claims 10 to 14.